EP1690696A1 - Method and apparatus for the pressing of print signatures - Google Patents

Method and apparatus for the pressing of print signatures Download PDF

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Publication number
EP1690696A1
EP1690696A1 EP06100691A EP06100691A EP1690696A1 EP 1690696 A1 EP1690696 A1 EP 1690696A1 EP 06100691 A EP06100691 A EP 06100691A EP 06100691 A EP06100691 A EP 06100691A EP 1690696 A1 EP1690696 A1 EP 1690696A1
Authority
EP
European Patent Office
Prior art keywords
pressing
saddle stitcher
transport
brochure
saddle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06100691A
Other languages
German (de)
French (fr)
Other versions
EP1690696B1 (en
Inventor
Lutz Richter
Siegmar Tischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1690696A1 publication Critical patent/EP1690696A1/en
Application granted granted Critical
Publication of EP1690696B1 publication Critical patent/EP1690696B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • B65H39/043—Associating,collating or gathering articles from several sources from piles the piles being disposed in juxtaposed carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
    • B42C1/12—Machines for both collating or gathering and permanently attaching together the sheets or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/32—Saddle-like members over which partially-unfolded sheets or signatures are fed to signature-gathering, stitching, or like machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C11/00—Casing-in
    • B42C11/02—Machines or equipment for casing-in or applying covers to pamphlets, magazines, pads, or other paper-covered booklets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/435—Gathering; Associating; Assembling on collecting conveyor
    • B65H2301/4351—Gathering; Associating; Assembling on collecting conveyor receiving articles astride thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/438—Finishing
    • B65H2301/4381—Bringing a cover
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/512—Changing form of handled material
    • B65H2301/5123—Compressing, i.e. diminishing thickness
    • B65H2301/51232—Compressing, i.e. diminishing thickness for flattening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/224—Nip between rollers, between belts or between rollers and belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40—Identification
    • B65H2511/417—Identification of state of the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/132—Side portions
    • B65H2701/1321—Side portions of folded article or web
    • B65H2701/13212—Fold, spine portion of folded article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S412/00—Bookbinding: process and apparatus
    • Y10S412/902—Heating and pressing

Definitions

  • the invention relates to a method for pressing printed products according to the preamble of claim 1 and to a device for pressing printed products, according to the preamble of claim 6.
  • signature folded sheet combination and brochure are used.
  • a one-piece sheet-like element such as a sheet of paper or envelope.
  • the signatures may be one or more folds in the investors of the saddle stitcher, or unfolded in a so-called cover feeder, in which a fold when placing the transport and stitching line collecting line is introduced into the signature.
  • cover feeder in which a fold when placing the transport and stitching line collecting line is introduced into the signature.
  • the stacks loosely and thus unstacked on the transport and stapling line superimposed signatures are referred to as folded sheet combination. Stapling turns the folded sheet into a brochure, in which the signatures are now firmly connected.
  • Inventive saddle stitchers are, for example, the Brehmer Buchbindereimaschinen GmbH, Leipzig are sold under the type designation ST400 and are designed so that the brochures are transported to the stapling and subsequent provision in the output station in the longitudinal direction of the backs of the brochures and handed over in the output station by means of an ejector to delivery belts, which then the brochures transversely to their previous direction of transport, in the direction of a trimmer, in which first a leading edge cut and then a head cut and a foot cut takes place.
  • Saddle stitched booklets are typically thicker on the stapled side than on the open side. When such booklets are stacked, they tend to produce a crooked, unwieldy stack which must be stabilized at a certain height, such as by crosslapping, strapping or other techniques. If such brochures are placed vertically, they have only a narrow edge, which gives the viewer little information about the contents of the booklet, unlike that with Printed products with a straight back would be the case. It is therefore desirable to bring a saddle-stitched printed product, in a form that does not have these disadvantages, namely is substantially cuboid.
  • the method according to the invention is characterized in particular by the step of pressing off the back of the brochure along the transport and stitching line of a saddle stitcher.
  • This "in-line" production of saddle-stitched, rectangular-backed printed products allows the high speed conventional in the art of saddle stitching to be achieved while providing an attractive printed product.
  • squeezing the back portion of the stitched product significantly increases the stability of the product, which has a positive effect on the handling of the product by downstream processing equipment such as stackers, packaging machines, inserters, strapping devices, filming devices, and so on.
  • the products thus pressed off are flatter, so that they apply less or unravel. Due to the good flatness of the product, this is particularly advantageous for products where a stack must be produced, such as in a stacker.
  • the method comprises the additional step of thickness control / thickness measurement of the collected brochure on the gathering chain.
  • this makes it possible to draw conclusions about whether the brochure is complete, but on the other hand, other parameters for optimizing the method can be derived from this thickness measurement, for example the adjustment of the pressing elements of the pressing device as a function of the thickness of the brochure.
  • the considerable forces resulting from the pressing are adapted to the respective product, on the one hand, the forces are large enough to achieve the desired deformation of the back of the brochure, but on the other hand, the forces are so low that the damage to the brochure by too high contact forces is reduced.
  • the measured values of the thickness control are also used to bring into an envelope, which is fed by a Umtschfalzbogenfeleger the transport and stitching line, two mutually parallel spaced grooves, the distance between these grooves just the thickness the folded sheet composition corresponds. This leads to an aesthetic visual appearance of the finished printed product.
  • the thus ab- and superimposed signatures 16, 18, 20 together form a folded sheet assembly 30 which is transported in a transport direction according to the arrow P along a transport and stitching line 22, along the folded sheet feeder 10, 12, 14 and a stitching station 24 also extends to a delivery station 29 with delivery shelves 29.1.
  • the saddle stitched and pressed brochure 32 is transported in the direction of the arrow marked with the letter T to a subsequent, not shown trimmer to be trimmed at the three open sides.
  • an envelope fold sheet feeder 50 is shown by way of example in this embodiment, which first folds an envelope 51 and then deposits it on the folded sheet assembly 30 on the transporting and stitching line 22.
  • the Umtschfalzbogenanleger 50 has a known groove means, with the grooves (lines of weakness) in the envelope 51 can be introduced.
  • two grooves are introduced into the envelope 51, which correspond in their spacing to each other just the thickness of the folded sheet assembly 30, so the grooves in the pressed state just match the outer edges of the back 31 of the brochure 32.
  • the envelope 51 is not necessarily to the Lines of weakness folds but rather to facilitate stitching in the middle of the bow. In this case, this fold is advantageously a plow fold with a large radius, so that the fold line of the envelope 51 does not strike the end product.
  • a thickness control with measuring device 33 is provided, in which the thickness of the folded Falzbogenzusammen einen 30 is determined.
  • the stitching station 24 comprises in the present embodiment, two stitching heads 26 and a respective thereof associated, not recognizable in the figures Umbieger which bend by means of stapling heads 26 in the folded Falzbogenzusammen einen 30 inserted wire staples 27 and that the legs of the wire clamps 27, which the folded sheet compositions 30th have penetrated.
  • the pressing device 40 according to the invention is arranged, which brings the back of the collected leaflets 32 in a substantially rectangular shape.
  • FIGS. 2 and 3 Details of the pressing device 40 according to the invention are shown only schematically in FIGS. 2 and 3. Drives, control elements, housings and other elements which are not essential to the invention and are at the discretion of the person skilled in the art have been omitted for the sake of clarity.
  • the pressing device 40 shown in Fig. 2 a, 2b and 3 has above the transport and stitching line 22 a plurality of pressing elements 41, 42, namely an upper press roller 41 and two lateral press rollers 42 which are arranged on both sides of the transport and stitching line 22, in Essentially in the area of the upper press roll 41, in particular slightly upstream of the upper press roll 41.
  • the press rollers 42 have a corresponding step, so as not to block the upper press roller 41 and at the same time to provide sufficient stability for the lateral press rollers 42, see FIG. 3.
  • the deformation of the back 31 is essentially interplay of the upper press roller 41 achieved with the lateral press rollers 42, and takes place in an area in which the brochure 32 is still firmly between the two lateral press rollers 42 is detected. These hold the upper edge of the booklet 32 slightly below the staple, whereafter the upper press roll 41 flattens the previously pointed upper edge of the booklet 32, so that a rectangular shape of the back 31 is achieved.
  • the lateral press rollers 42 and the upper press roller 41 are installed in the housing 45 of the pressing device 40 so that their position relative to each other, in particular the distance along the transport direction P is variably adjustable.
  • the pressing elements 41, 42 is preceded by a front hold-down roller 43 and a rear hold-down roller 44 downstream.
  • the upstream hold-down roller 43 serves on the one hand to center the stapled brochure 32 when entering.
  • both hold-down rollers 43, 44 serve in particular also the brochure 32 during pressing by the pressing elements 41, 42 to press securely against the partition plate 47 to prevent slipping off during pressing and so as to the formation of the desired rectangular back 31 of the brochure 32 guarantee.
  • the hold-down rollers 43, 44 in the region of the separating plate 47 associated rollers lying below, so that an undesirable marking of the resting on the partition plate 47 signature is prevented by the pressing.
  • one or both of the hold-down rollers 43, 44 may have a profile for improved functionality, such as a circumferential notch, to improve centering.
  • rollers 41, 42, 43, 44 thereby move at a peripheral speed, which substantially corresponds to the transport speed of the brochure 32 along the transport and stitching line 22.
  • the rollers 41, 42, 43, 44 are resiliently fixed to the housing 45 of the pressing device 40, respectively. This allows rebounding in the event of a stop of the saddle stitcher 5.
  • the brochures 32 which are transported by means of the transport and stitching line 22 on the saddle plates 23 by their possible different thickness, depending on the number and the thickness of the collected signatures 16, 18, 20 and the envelope 51 different upward. This can be done with the so-called “selective binding” or “personalized binding” from paperback 32 to paperback 32 may be different. Therefore, all thickness adjustments must be carried out from the ridge of the transport and stitching line 22 and the separating plate 47 upwards, and also with respect to the lateral press rollers 42 also additionally on both sides laterally to the partition plate 47, since the brochure both in the height of the saddle as well as its flanks builds on which the lateral press rollers are arranged.
  • each position adjustment 41.1, 42.1, 43.1, 44.1 are provided, by means of which the position of the respective rollers 41, 42, 43, 44 with respect to the transport and stitching line 22 is adjustable.
  • the position adjustment means 41.1, 42.1, 43.1, 44.1 are, for example, simple thumbwheels. Alternatively, these may also be actuators, in particular also those which are automatically set by a higher-level control to the desired position specification, for example based on information regarding the thickness of the folded-sheet combination 30, which was determined by the thickness control with measuring device 33. Alternatively, however, an automatic adjustment in response to information that can be entered by a user is conceivable.
  • the position adjustment means 41.1, 42.1, 43.1, 44.1 can be used simultaneously for adjusting the contact force of the rollers 41, 42, 43, 44.
  • position adjustment means 41.1, 42.1, 43.1, 44.1 of the rollers 41, 42, 43, 44 position adjustment means, not shown, are provided with which the complete press device 40 (without separating plate 47, saddle plates 23 and transporting and stitching line 22) are raised or lowered can, depending on the embodiment, also automated in response to information determined by the thickness control with measuring device 33 or specified by an operator or a higher-level control. All actuators may be about motors, pneumatic cylinders or solenoids.
  • the adaptation to the respective booklet thickness is carried out during operation.
  • a driver 22.1 on the transport and stitching line 22 transports the booklet 32 along the transport direction P.
  • the driver 22.1 is arranged on the transport and stitching line 22 such that it extends below the lateral press rollers 42 in the region of the pressing device 40.
  • the brochure 32 is located in the region of the pressing device 40 astride the saddle plates 23.
  • the saddle plates 23 are lowered in the region of the pressing device 40.
  • the brochure 32 of a Parting plate 47 supported under the ridge.
  • this separating plate 47 has a recess 48 which is provided with an inlet bevel 49 in order to non-destructively guide the pressed-out part of the back 31 of the brochure 32 back onto the separating plate 47.
  • this pressing device 40 can thereby create brochures 32 with high quality appearance, which have a higher intrinsic strength by the profiled square back 31 and thereby, for. can be set up better in the bookshelf.
  • a possible labeling of the back 31 is readable and thus, for. an identification of the brochure 32 on the shelf possible.
  • the printed products produced by the device according to the invention are improved by their reduced Aufsperr .
  • the separating plate 47 is moved by a coupling mechanism 52 from the stapling position H by the stroke h in a press-off position A.
  • the product is thus lifted by a lifting device of the transport and stitching line 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

Signatures, or sections (16, 18, 20) are supplied to the conveying and binding line (22) of a gang binder, using loaders (10, 12, 14). The signatures are collected on the line, to form a sheet assembly or stack (30). This is bound together e.g. by stitching or stapling along the line, to produce e.g. a brochure or booklet (32). Still along the line, a press (40) consolidates the spines (31). An independent claim is included for the corresponding binding machine.

Description

Die Erfindung betrifft ein Verfahren zum Abpressen von Druckerzeugnissen gemäß dem Oberbegriff des Anspruchs 1 sowie eine Vorrichtung zum Abpressen von Druckerzeugnissen, gemäß dem Oberbegriff des Anspruchs 6.The invention relates to a method for pressing printed products according to the preamble of claim 1 and to a device for pressing printed products, according to the preamble of claim 6.

In dieser Beschreibung werden die Begriffe Signatur, Falzbogenzusammenstellung und Broschur verwendet. Unter Signatur versteht sich hierbei ein einstückiges flächiges Element, etwa ein Papierbogen oder Umschlag. Dabei können die Signaturen ein oder mehrfach gefalzt in den Anlegern des Sammelhefters vorliegen, oder ungefalzt in einem so genannten Umschlaganleger, bei der ein Falz beim Ablegen die Transport- und Heftlinie Sammelstrecke in die Signatur eingebracht wird. Die Stapel lose und damit ungeheftet auf der Transport- und Heftlinie übereinander liegenden Signaturen werden als Falzbogenzusammenstellung bezeichnet. Durch das Heften wird aus der Falzbogenzusammenstellung eine Broschur, in der also die Signaturen nun fest miteinander verbunden sind.In this description the terms signature, folded sheet combination and brochure are used. Under signature here is understood a one-piece sheet-like element, such as a sheet of paper or envelope. The signatures may be one or more folds in the investors of the saddle stitcher, or unfolded in a so-called cover feeder, in which a fold when placing the transport and stitching line collecting line is introduced into the signature. The stacks loosely and thus unstacked on the transport and stapling line superimposed signatures are referred to as folded sheet combination. Stapling turns the folded sheet into a brochure, in which the signatures are now firmly connected.

Erfindungsgemäße Sammelhefter werden z.B. von der Brehmer
Buchbindereimaschinen GmbH, Leipzig unter der Typenbezeichnung ST400 vertrieben und sind so konzipiert, dass die Broschuren bis zur erfolgten Heftung und anschließenden Bereitstellung in der Ausgabestation in Längsrichtung der Rücken der Broschuren transportiert und in der Ausgabestation mittels eines Auswerfers an Auslagebänder übergeben werden, welche die Broschuren sodann quer zu ihrer bisherigen Transportrichtung weiterbefördern, und zwar in Richtung auf einen Trimmer, in welchem zunächst ein Vorderkantenschnitt und anschließend ein Kopfschnitt und ein Fußschnitt erfolgt.Inventive saddle stitchers are, for example, the Brehmer
Buchbindereimaschinen GmbH, Leipzig are sold under the type designation ST400 and are designed so that the brochures are transported to the stapling and subsequent provision in the output station in the longitudinal direction of the backs of the brochures and handed over in the output station by means of an ejector to delivery belts, which then the brochures transversely to their previous direction of transport, in the direction of a trimmer, in which first a leading edge cut and then a head cut and a foot cut takes place.

Rückstichgeheftete Broschüren sind typischerweise auf der gehefteten Seite dicker als auf der offenen Seite. Werden derartige Broschüren übereinander gebracht, neigen sie dazu, einen schiefen, unhandlichen Stapel zu erzeugen, der ab einer gewissen Höhe stabilisiert werden muss, etwa durch Kreuzlegen, Umreifung oder andere Techniken. Werden solche Broschüren senkrecht aufgestellt, weisen sie nur eine schmale Kante auf, die dem Betrachter wenig Aufschluss über den Inhalt der Broschüre gibt, anders als das mit Druckerzeugnissen mit einem geraden Rücken der Fall wäre. Es ist daher wünschenswert, ein rückstichgeheftetes Druckerzeugnis, in eine Form zu bringen, die diese Nachteile nicht aufweist, nämlich im Wesentlichen quaderförmig ist.Saddle stitched booklets are typically thicker on the stapled side than on the open side. When such booklets are stacked, they tend to produce a crooked, unwieldy stack which must be stabilized at a certain height, such as by crosslapping, strapping or other techniques. If such brochures are placed vertically, they have only a narrow edge, which gives the viewer little information about the contents of the booklet, unlike that with Printed products with a straight back would be the case. It is therefore desirable to bring a saddle-stitched printed product, in a form that does not have these disadvantages, namely is substantially cuboid.

Dazu gibt es aus dem Stand der Technik unterschiedliche Ansätze. Aus der europäischen Patentschrift EP 1 005 984 ist bekannt, ein Druckerzeugnis mit einem rechteckigen Rücken herzustellen, indem vor dem Übereinanderlegen an den Druckprodukten jeweils zwei gegenseitig beabstandete Schwächungslinien angebracht werden, wobei der gegenseitige Abstand der Schwächungslinien bei nacheinander folgenden Druckprodukten vergrößert wird.There are different approaches to this from the prior art. It is known from European Patent Specification EP 1 005 984 to produce a printed product with a rectangular spine by attaching in each case two mutually spaced lines of weakness prior to superimposing on the printed products, the mutual spacing of the weakening lines being increased in successive printed products.

Aus der europäischen Patentanmeldung EP 1 475 339 ist es bekannt, bei der Herstellung von Druckprodukten die Falzkante vor dem Zusammentragen zu pressen.From the European patent application EP 1 475 339 it is known to press the folded edge prior to assembly in the production of printed products.

Aus der europäischen Patentschrift EP 1 479 528 ist es bekannt, ein geheftetes Druckerzeugnis im Stillstand durch Presswalzen in eine rechteckige Form zu bringen.It is known from European patent specification EP 1 479 528 to bring a stapled printed product into a rectangular shape at standstill by means of press rolls.

Es ist nun die Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung anzugeben, mit der die Erzeugung eines rückstichgehefteten Druckerzeugnisses besonders gut in die Produktion des Druckerzeugnisses eingebunden werden kann. Diese Aufgabe wird mit Hilfe des erfindungsgemäßen Verfahrens mit den im Anspruch 1 genannten Verfahrensschritten sowie mit einer der erfindungsgemäßen Vorrichtung mit den im Anspruch 5 genannten Merkmalen gelöst.It is now the object of the invention to provide a method and a device with which the production of a saddle-stitched printed product can be integrated particularly well in the production of the printed product. This object is achieved by means of the method according to the invention with the method steps mentioned in claim 1 as well as with a device according to the invention with the features mentioned in claim 5.

Demnach zeichnet sich das erfindungsgemäße Verfahren insbesondere durch den Schritt des Abpressens des Rückens der Broschur entlang der Transport- und Heftlinie eines Sammelhefters aus. Durch diese "Inline"-Herstellung der rückstichgehefteten Druckerzeugnisse mit rechteckigem Rücken können die in der Technik des Sammelheften üblichen hohen Verarbeitungsgeschwindigkeiten erzielt werden und gleichzeitig ein attraktives Druckerzeugnis hergestellt werden. Zudem wird durch die Abpressung des Rückenbereichs des gehefteten Produkts die Stabilität des Produkts erheblich vergrößert, was sich positiv auf die Handhabung des Produkts durch nachgelagerte Verarbeitungseinrichtung wie z.B. Kreuzleger, Verpackungsmaschinen, Einsteckmaschinen, Umreifungseinrichtungen, Foliereinrichtungen usw. auswirkt. Auch sind die derart abgepressten Produkte flacher, so dass sie weniger auftragen bzw. aufsperren. Durch die gute Planlage des Produkts ist dies besonders vorteilhaft bei Produkten bei denen ein Stapel erzeugt werden muss, etwa in einem Kreuzleger.Accordingly, the method according to the invention is characterized in particular by the step of pressing off the back of the brochure along the transport and stitching line of a saddle stitcher. This "in-line" production of saddle-stitched, rectangular-backed printed products allows the high speed conventional in the art of saddle stitching to be achieved while providing an attractive printed product. In addition, squeezing the back portion of the stitched product significantly increases the stability of the product, which has a positive effect on the handling of the product by downstream processing equipment such as stackers, packaging machines, inserters, strapping devices, filming devices, and so on. Also the products thus pressed off are flatter, so that they apply less or unravel. Due to the good flatness of the product, this is particularly advantageous for products where a stack must be produced, such as in a stacker.

In einer vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens umfasst das Verfahren den zusätzlichen Schritt der Dickenkontrolle / Dickenmessung der zusammengetragenen Broschur auf der Sammelkette. Dadurch lassen sich einerseits Rückschlüsse darauf ziehen, ob die Broschur vollständig ist, andererseits können aus dieser Dickenmessung aber auch andere Parameter zur Optimierung des Verfahrens abgeleitet werden, etwa die Einstellung der Presselemente der Presseinrichtung in Abhängigkeit von der Dicke der Broschur. Dadurch werden die bei der Abpressung entstehenden, beträchtlichen Kräfte so auf das jeweilige Produkt angepasst, dass einerseits die Kräfte groß genug sind, um die gewünschte Verformung des Rückens der Broschur zu erzielen, andererseits aber die Kräfte so gering sind, dass die Beschädigung der Broschur durch zu hoch eingestellte Anpresskräfte verringert wird.In an advantageous embodiment of the method according to the invention, the method comprises the additional step of thickness control / thickness measurement of the collected brochure on the gathering chain. On the one hand, this makes it possible to draw conclusions about whether the brochure is complete, but on the other hand, other parameters for optimizing the method can be derived from this thickness measurement, for example the adjustment of the pressing elements of the pressing device as a function of the thickness of the brochure. As a result, the considerable forces resulting from the pressing are adapted to the respective product, on the one hand, the forces are large enough to achieve the desired deformation of the back of the brochure, but on the other hand, the forces are so low that the damage to the brochure by too high contact forces is reduced.

In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Verfahrens werden die Messwerte der Dickenkontrolle zudem dazu verwendet, um in einen Umschlag, der von einem Umschlagfalzbogenanleger der Transport- und Heftlinie zugeführt wird, zwei zueinander parallel beabstandete Rillen einzubringen, wobei der Abstand zwischen diesen Rillen gerade der Dicke der Falzbogenzusammenstellung entspricht. Dies führt zu einem ästhetischen optischen Erscheinungsbild des fertigen Druckerzeugnisses.In a further advantageous embodiment of the method according to the invention, the measured values of the thickness control are also used to bring into an envelope, which is fed by a Umschlagfalzbogenfeleger the transport and stitching line, two mutually parallel spaced grooves, the distance between these grooves just the thickness the folded sheet composition corresponds. This leads to an aesthetic visual appearance of the finished printed product.

Bevorzugte Ausführungsformen der erfindungsgemäßen Vorrichtung, vermittels der das erfindungsgemäße Verfahren durchführbar ist, werden im Folgenden unter Bezugnahme auf die Zeichnung im Einzelnen näher beschrieben. Es zeigen in schematischer Darstellung:

Fig. 1
eine vereinfachte isometrische Ansicht einer Ausführungsform eines erfindungsgemäßen Sammelhefters zum Abpressen von Druckerzeugnissen,
Fig. 2a, 2b
Draufsicht und seitliche Ansicht von Details einer Ausführungsform einer erfindungsgemäßen Pressvorrichtung
Fig. 3
Querschnitt durch eine Ausführungsform einer erfindungsgemäßen Pressvorrichtung im Bereich der Abpressung des Rückens der Broschüre
Fig. 4a, 4b
Draufsicht und seitliche Ansicht von Details einer weiteren Ausführungsform einer erfindungsgemäßen Pressvorrichtung
Fig. 5
Querschnitt durch die Ausführungsform gemäß 4a, 4b einer erfindungsgemäßen Pressvorrichtung im Bereich der Abpressung des Rückens der Broschüre
Preferred embodiments of the device according to the invention, by means of which the method according to the invention can be carried out, will be described in more detail below with reference to the drawing. In a schematic representation:
Fig. 1
a simplified isometric view of an embodiment of a saddle stitcher according to the invention for pressing off printed matter,
Fig. 2a, 2b
Top view and side view of details of an embodiment of a pressing device according to the invention
Fig. 3
Cross section through an embodiment of a pressing device according to the invention in the region of the pressing of the back of the booklet
Fig. 4a, 4b
Top view and side view of details of another embodiment of a pressing device according to the invention
Fig. 5
Cross section through the embodiment according to 4a, 4b of a pressing device according to the invention in the region of the pressing of the back of the booklet

Der Sammelhefter gemäß Fig. 1 umfasst im vorliegenden Ausführungsbeispiel drei Falzbogenanleger 10, 12, 14, die jeweils eine Signatur 16, 18, 20 an eine Transport- und Heftlinie 22 übergeben. Die auf diese Weise ab- und übereinander gelegten Signaturen 16, 18, 20 bilden gemeinsam eine Falzbogenzusammenstellung 30 die in einer Transportrichtung gemäß dem Pfeil P entlang einer Transport- und Heftlinie 22 transportiert wird, die sich entlang der Falzbogenanleger 10, 12, 14 und über eine Heftstation 24 hinaus bis zu einer Ausgabestation 29 mit Auslegebändern 29.1 erstreckt. Durch die Auslegebändern 29.1 wird die rückstichgeheftete und abgepresste Broschur 32 in Richtung des mit dem Buchstaben T gekennzeichneten Pfeils zu einem nachfolgenden, nicht gezeigten Trimmer transportiert um an den drei offnen Seiten beschnitten zu werden.In the present exemplary embodiment, the saddle stitcher according to FIG. 1 comprises three folded sheet feeder 10, 12, 14 which each transfer a signature 16, 18, 20 to a transporting and stitching line 22. The thus ab- and superimposed signatures 16, 18, 20 together form a folded sheet assembly 30 which is transported in a transport direction according to the arrow P along a transport and stitching line 22, along the folded sheet feeder 10, 12, 14 and a stitching station 24 also extends to a delivery station 29 with delivery shelves 29.1. By the Auslegebänder 29.1 the saddle stitched and pressed brochure 32 is transported in the direction of the arrow marked with the letter T to a subsequent, not shown trimmer to be trimmed at the three open sides.

Zwischen den Falzbogenanleger 10, 12, 14 und der Heftstation 24 ist in dieser Ausführungsform beispielhaft ein Umschlagfalzbogenanleger 50 gezeigt, der einen Umschlag 51 zunächst falzt und dann auf die Falzbogenzusammenstellung 30 auf der Transport- und Heftlinie 22 ablegt. In einer weiteren Ausführungsform weist der Umschlagfalzbogenanleger 50 eine bekannte Rilleinrichtung auf, mit der Rillen (Schwächungslinien) in den Umschlag 51 einbringbar sind. Dabei werden in einer besonders vorteilhaften Ausführungsform zwei Rillen in den Umschlag 51 eingebracht, die in ihrer Beabstandung zueinander gerade der Dicke der Falzbogenzusammenstellung 30 entsprechen, die Rillen also im abgepressten Zustand gerade mit den Außenkanten des Rückens 31 der Broschur 32 übereinstimmen. Dabei ist zu beachten, dass der Umschlagfalzbogenanleger 50 den Umschlag 51 nicht notwendigerweise an den Schwächungslinien falzt, sondern vielmehr zur erleichterten Heftung in der Mitte des Bogens. Dabei handelt es sich bei diesem Falz vorteilhafterweise um einen Pflugfalz mit großem Radius, so dass die Falzlinie des Umschlags 51 nicht im Endprodukt auffällt.Between the folding sheet feeder 10, 12, 14 and the stitching station 24, an envelope fold sheet feeder 50 is shown by way of example in this embodiment, which first folds an envelope 51 and then deposits it on the folded sheet assembly 30 on the transporting and stitching line 22. In another embodiment, the Umschlagfalzbogenanleger 50 has a known groove means, with the grooves (lines of weakness) in the envelope 51 can be introduced. In this case, in a particularly advantageous embodiment, two grooves are introduced into the envelope 51, which correspond in their spacing to each other just the thickness of the folded sheet assembly 30, so the grooves in the pressed state just match the outer edges of the back 31 of the brochure 32. It should be noted that the Umschlagfalzbogenfeleger 50 the envelope 51 is not necessarily to the Lines of weakness folds but rather to facilitate stitching in the middle of the bow. In this case, this fold is advantageously a plow fold with a large radius, so that the fold line of the envelope 51 does not strike the end product.

Zwischen dem letzten Anleger 10, 12, 14 bzw. Umschlagfalzbogenanleger 50 und der Heftstation 24 ist eine Dickenkontrolle mit Messeinrichtung 33 vorgesehen, in welcher die Dicke der zu heftenden Falzbogenzusammenstellungen 30 ermittelt wird.Between the last feeder 10, 12, 14 or Umschlagfalzbogenanleger 50 and the stitching station 24 is a thickness control with measuring device 33 is provided, in which the thickness of the folded Falzbogenzusammenstellungen 30 is determined.

Die Heftstation 24 umfasst beim vorliegenden Ausführungsbeispiel zwei Heftköpfe 26 und einem jeweiligen derselben zugeordnete, in den Figuren nicht erkennbare Umbieger, welche mittels der Heftköpfe 26 in die zu heftenden Falzbogenzusammenstellungen 30 eingestochene Drahtklammern 27 umbiegen und zwar die Schenkel der Drahtklammern 27, welche die Falzbogenzusammenstellungen 30 durchdrungen haben.The stitching station 24 comprises in the present embodiment, two stitching heads 26 and a respective thereof associated, not recognizable in the figures Umbieger which bend by means of stapling heads 26 in the folded Falzbogenzusammenstellungen 30 inserted wire staples 27 and that the legs of the wire clamps 27, which the folded sheet compositions 30th have penetrated.

Im Anschluss daran ist die erfindungsgemäße Pressvorrichtung 40 angeordnet, die den Rücken der gesammelten Broschuren 32 in eine im Wesentlichen rechteckige Form bringt.Subsequently, the pressing device 40 according to the invention is arranged, which brings the back of the collected leaflets 32 in a substantially rectangular shape.

In den Figuren 2 und 3 sind Details der erfindungsgemäßen Pressvorrichtung 40 lediglich schematisch gezeigt. Antriebe, Steuerungselemente, Gehäuse und andere Elemente, die nicht erfindungswesentlich sind und im Belieben des Fachmanns liegen wurden zur besseren Übersichtlichkeit weggelassen.Details of the pressing device 40 according to the invention are shown only schematically in FIGS. 2 and 3. Drives, control elements, housings and other elements which are not essential to the invention and are at the discretion of the person skilled in the art have been omitted for the sake of clarity.

Die in Fig. 2 a, 2b und 3 dargestellte Pressvorrichtung 40 weist oberhalb der Transport-und Heftlinie 22 mehrere Presselemente 41, 42 auf, nämlich eine obere Pressrolle 41 sowie zwei seitliche Pressrollen 42 die beidseits der Transport- und Heftlinie 22 angeordnet sind, im Wesentlichen im Bereich der oberen Pressrolle 41, insbesondere etwas stromaufwärts der oberen Pressrolle 41.The pressing device 40 shown in Fig. 2 a, 2b and 3 has above the transport and stitching line 22 a plurality of pressing elements 41, 42, namely an upper press roller 41 and two lateral press rollers 42 which are arranged on both sides of the transport and stitching line 22, in Essentially in the area of the upper press roll 41, in particular slightly upstream of the upper press roll 41.

Dazu weisen die Pressrollen 42 eine entsprechende Stufe auf, um nicht die obere Pressrolle 41 zu blockieren und gleichzeitig ausreichende Stabilität für die seitlichen Pressrollen 42 zu gewähren, vergleiche Fig. 3. Die Umformung des Rückens 31 wird im Wesentlichen von der oberen Pressrolle 41 in Zusammenspiel mit den seitlichen Pressrollen 42 erzielt, und erfolgt dabei in einem Bereich, in dem die Broschur 32 noch fest zwischen den beiden seitlichen Pressrollen 42 erfasst ist. Diese halten den oberen Rand der Broschur 32 etwas unterhalb der Heftung fest, wonach die obere Pressrolle 41 den zuvor spitzen oberen Rand der Broschur 32 platt walzt, so dass eine rechteckige Form des Rückens 31 erreicht wird. Vorteilhafterweise sind die seitlichen Pressrollen 42 und die obere Pressrolle 41 so im Gehäuse 45 der Presseinrichtung 40 eingebaut, so dass ihre Position zueinander, insbesondere der Abstand entlang der Transportrichtung P zueinander variabel einstellbar ist.For this purpose, the press rollers 42 have a corresponding step, so as not to block the upper press roller 41 and at the same time to provide sufficient stability for the lateral press rollers 42, see FIG. 3. The deformation of the back 31 is essentially interplay of the upper press roller 41 achieved with the lateral press rollers 42, and takes place in an area in which the brochure 32 is still firmly between the two lateral press rollers 42 is detected. These hold the upper edge of the booklet 32 slightly below the staple, whereafter the upper press roll 41 flattens the previously pointed upper edge of the booklet 32, so that a rectangular shape of the back 31 is achieved. Advantageously, the lateral press rollers 42 and the upper press roller 41 are installed in the housing 45 of the pressing device 40 so that their position relative to each other, in particular the distance along the transport direction P is variably adjustable.

Den Presselementen 41, 42 ist eine vordere Niederhalterrolle 43 vorgelagert und eine hintere Niederhalterrolle 44 nachgelagert. Die vorgelagerte Niederhalterrolle 43 dient einerseits dazu, die geheftete Broschur 32 beim Einlaufen zu zentrieren. Beide Niederhalterrollen 43, 44 dienen aber insbesondere auch dazu die Broschur 32 während des Abpressens durch die Presselemente 41, 42 sicher an das Trennblech 47 anzudrücken, um beim Abpressen ein Verrutschen zu verhindern und um so die Bildung des gewünschten rechteckigen Rückens 31 der Broschur 32 zu gewährleisten. In einer vorteilhaften Ausgestaltung sind den Niederhalterrollen 43, 44 im Bereich des Trennbleches 47 unten liegende Laufrollen zugeordnet, so dass ein unerwünschte Markieren der auf dem Trennblech 47 aufliegenden Signatur durch das Andrücken verhindert wird. Zudem kann eine oder beide der Niederhalterrollen 43, 44 ein Profil zur verbesserten Funktionalität aufweisen, etwa eine umlaufende Kerbe, um die Zentrierung zu verbessern.The pressing elements 41, 42 is preceded by a front hold-down roller 43 and a rear hold-down roller 44 downstream. The upstream hold-down roller 43 serves on the one hand to center the stapled brochure 32 when entering. But both hold-down rollers 43, 44 serve in particular also the brochure 32 during pressing by the pressing elements 41, 42 to press securely against the partition plate 47 to prevent slipping off during pressing and so as to the formation of the desired rectangular back 31 of the brochure 32 guarantee. In an advantageous embodiment, the hold-down rollers 43, 44 in the region of the separating plate 47 associated rollers lying below, so that an undesirable marking of the resting on the partition plate 47 signature is prevented by the pressing. In addition, one or both of the hold-down rollers 43, 44 may have a profile for improved functionality, such as a circumferential notch, to improve centering.

Die Rollen 41, 42, 43, 44 bewegen sich dabei mit einer Umfangsgeschwindigkeit, die im Wesentlichen der Transportgeschwindigkeit der Broschur 32 entlang der Transport- und Heftlinie 22 entspricht. In einer vorteilhaften Ausführungsform ist wenigstens eine dieser Rollen 41, 42, 43, 44 angetrieben ausgeführt, vorteilhafterweise mindestens die Pressrollen 41, 42. Die Rollen 41, 42, 43, 44 sind an dem Gehäuse 45 der Presseinrichtung 40 jeweils federnd befestigt. Dadurch wird ein Ausfedern im Falle eines Stopps des Sammelhefters 5 ermöglicht.The rollers 41, 42, 43, 44 thereby move at a peripheral speed, which substantially corresponds to the transport speed of the brochure 32 along the transport and stitching line 22. In an advantageous embodiment, at least one of these rollers 41, 42, 43, 44 driven, advantageously at least the press rollers 41, 42. The rollers 41, 42, 43, 44 are resiliently fixed to the housing 45 of the pressing device 40, respectively. This allows rebounding in the event of a stop of the saddle stitcher 5.

Die Broschuren 32, die mittels der Transport- und Heftlinie 22 auf den Sattelblechen 23 transportiert werden bauen durch ihre mögliche unterschiedliche Dicke, abhängig von der Anzahl und der Dicke der gesammelten Signaturen 16, 18, 20 und des Umschlags 51 unterschiedlich nach oben auf. Dies kann beim so genannten "Selective Binding" oder "personalisiertem Binden" von Broschur 32 zu Broschur 32 unterschiedlich sein. Daher müssen alle Dickenanpassungen von dem First der Transport- und Heftlinie 22 bzw. des Trennbleches 47 aus nach oben durchgeführt werden, beziehungsweise bezüglich der seitlichen Pressrollen 42 zudem auch zusätzlich beidseitig seitlich zum Trennblech 47 durchgeführt werden, da die Broschur sowohl in die Höhe des Sattels als auch zu dessen Flanken aufbaut, an der die seitlichen Pressrollen angeordnet sind. Daher sind jeweils Positionsverstellungsmittel 41.1, 42.1, 43.1, 44.1 vorgesehen, vermittels der die Position der jeweiligen Rollen 41, 42, 43, 44 bezüglich der Transport- und Heftlinie 22 einstellbar ist. Dabei handelt es sich bei den Positionsverstellungsmitteln 41.1, 42.1, 43.1, 44.1 beispielsweise um simple Rändelräder. Alternativ kann es sich dabei auch um Stellglieder handeln, insbesondere auch solche, die von einer übergeordneten Steuerung automatisch auf die gewünschte Positionsvorgabe eingestellt werden, etwa auf Grund von Informationen hinsichtlich der Dicke der Falzbogenzusammenstellung 30, die von der Dickenkontrolle mit Messeinrichtung 33 ermittelt wurden. Alternativ ist aber auch eine automatische Verstellung in Ansprechen auf Informationen, die von einem Benutzer eingegeben werden denkbar. Die Positionsverstellungsmittel 41.1, 42.1, 43.1, 44.1 können gleichzeitig zur Einstellung der Anpresskraft der Rollen 41, 42, 43, 44 verwendet werden.The brochures 32, which are transported by means of the transport and stitching line 22 on the saddle plates 23 by their possible different thickness, depending on the number and the thickness of the collected signatures 16, 18, 20 and the envelope 51 different upward. This can be done with the so-called "selective binding" or "personalized binding" from paperback 32 to paperback 32 may be different. Therefore, all thickness adjustments must be carried out from the ridge of the transport and stitching line 22 and the separating plate 47 upwards, and also with respect to the lateral press rollers 42 also additionally on both sides laterally to the partition plate 47, since the brochure both in the height of the saddle as well as its flanks builds on which the lateral press rollers are arranged. Therefore, each position adjustment 41.1, 42.1, 43.1, 44.1 are provided, by means of which the position of the respective rollers 41, 42, 43, 44 with respect to the transport and stitching line 22 is adjustable. The position adjustment means 41.1, 42.1, 43.1, 44.1 are, for example, simple thumbwheels. Alternatively, these may also be actuators, in particular also those which are automatically set by a higher-level control to the desired position specification, for example based on information regarding the thickness of the folded-sheet combination 30, which was determined by the thickness control with measuring device 33. Alternatively, however, an automatic adjustment in response to information that can be entered by a user is conceivable. The position adjustment means 41.1, 42.1, 43.1, 44.1 can be used simultaneously for adjusting the contact force of the rollers 41, 42, 43, 44.

Zusätzlich zu der Positionsverstellungsmitteln 41.1, 42.1, 43.1, 44.1 der Rollen 41, 42, 43, 44 sind nicht gezeigte Positionsverstellungsmittel vorgesehen, mit der die komplette Pressvorrichtung 40 (ohne Trennblech 47, Sattelbleche 23 und Transport- und Heftlinie 22) angehoben beziehungsweise abgesenkt werden kann, je nach Ausführungsform ebenfalls automatisiert in Ansprechen auf Informationen die von der Dickenkontrolle mit Messeinrichtung 33 ermittelt oder von einem Bediener oder einer Übergeordneten Steuerung vorgegeben werden. Bei allen Stellgliedern kann es sich etwa um Motore, Pneumatikzylinder oder Hubmagnete handeln. Vorteilhafterweise erfolgt die Anpassung an die jeweilige Broschürendicke im laufenden Betrieb.In addition to the position adjustment means 41.1, 42.1, 43.1, 44.1 of the rollers 41, 42, 43, 44, position adjustment means, not shown, are provided with which the complete press device 40 (without separating plate 47, saddle plates 23 and transporting and stitching line 22) are raised or lowered can, depending on the embodiment, also automated in response to information determined by the thickness control with measuring device 33 or specified by an operator or a higher-level control. All actuators may be about motors, pneumatic cylinders or solenoids. Advantageously, the adaptation to the respective booklet thickness is carried out during operation.

Ein Mitnehmer 22.1 an der Transport- und Heftlinie 22 transportiert die Broschur 32 entlang der Transportrichtung P. Der Mitnehmer 22.1 ist dabei derart an der Transport- und Heftlinie 22 angeordnet, dass er im Bereich der Presseinrichtung 40 unterhalb der seitlichen Pressrollen 42 verläuft. Die Broschur 32 liegt im Bereich der Pressvorrichtung 40 rittlings auf den Sattelblechen 23. Die Sattelbleche 23 sind im Bereich der Pressvorrichtung 40 abgesenkt. Im oberen Bereich wird die Broschur 32 von einem Trennblech 47 unter dem First gestützt. Dieses Trennblech 47 weist im Bereich der seitlichen Pressrollen 42 eine Aussparung 48 auf, die mit einer Einlaufschräge 49 versehen ist, um zerstörungsfrei den abgepressten Teil des Rückens 31 der Broschur 32 wieder auf das Trennblech 47 zu leiten.A driver 22.1 on the transport and stitching line 22 transports the booklet 32 along the transport direction P. The driver 22.1 is arranged on the transport and stitching line 22 such that it extends below the lateral press rollers 42 in the region of the pressing device 40. The brochure 32 is located in the region of the pressing device 40 astride the saddle plates 23. The saddle plates 23 are lowered in the region of the pressing device 40. In the upper area, the brochure 32 of a Parting plate 47 supported under the ridge. In the area of the lateral press rollers 42, this separating plate 47 has a recess 48 which is provided with an inlet bevel 49 in order to non-destructively guide the pressed-out part of the back 31 of the brochure 32 back onto the separating plate 47.

Mit dieser Pressvorrichtung 40 lassen sich dadurch Broschuren 32 mit qualitativ hochwertigem Aussehen erzeugen, die durch den profilierten eckigen Rücken 31 eine höhere Eigenfestigkeit aufweisen und dadurch z.B. im Bücherregal besser aufstellbar sind. Zudem ist eine eventuelle Beschriftung des Rückens 31 lesbar und damit z.B. eine Identifizierung der Broschur 32 im Regal möglich. Auch hinsichtlich der Stapelbarkeit der Broschuren 32 sind die mit der erfindungsgemäßen Vorrichtung nach dem erfindungsgemäßen Verfahren erzeugten Druckerzeugnisse durch ihr verringertes Aufsperrverhalten verbessert.With this pressing device 40 can thereby create brochures 32 with high quality appearance, which have a higher intrinsic strength by the profiled square back 31 and thereby, for. can be set up better in the bookshelf. In addition, a possible labeling of the back 31 is readable and thus, for. an identification of the brochure 32 on the shelf possible. Also with regard to the stackability of the brochures 32, the printed products produced by the device according to the invention are improved by their reduced Aufsperrverhalten.

In einer weiteren Ausführungsform wird, wie in den Fig. 4a, 4b und 5 dargestellt, das Trennblech 47 über ein Koppelgetriebe 52 von der Heftposition H um den Hubweg h in eine Abpressposition A bewegt. Das Produkt wird somit über eine Hubvorrichtung von der Transport- und Heftlinie 22 abgehoben.In a further embodiment, as shown in FIGS. 4a, 4b and 5, the separating plate 47 is moved by a coupling mechanism 52 from the stapling position H by the stroke h in a press-off position A. The product is thus lifted by a lifting device of the transport and stitching line 22.

Liste der BezugszeichenList of reference numbers

55
Sammelheftersaddle stitcher
1010
FalzbogenanlegerSignature feeder
1212
FalzbogenanlegerSignature feeder
1414
FalzbogenanlegerSignature feeder
1616
Signatursignature
1818
Signatursignature
2020
Signatursignature
2222
Transport- und HeftlinieTransport and stapling line
22.122.1
Mitnehmertakeaway
2323
Sattelblechsaddle plate
2424
Heftstationfinisher
2626
Heftkopfstapling head
2727
Drahtklammerwire clamp
2929
Ausgabestationoutput station
29.129.1
Auslegebanddelivery belt
3030
FalzbogenzusammenstellungFalzbogenzusammenstellung
3131
Rückenmove
3232
BroschurPaperback
3333
Dickenkontrolle mit MesseinrichtungThickness control with measuring device
4040
Pressvorrichtungpressing device
4141
mittlere obere Pressrollemiddle upper press roll
41.141.1
PositionsverstellungsmittelPosition adjustment means
4242
seitliche Pressrollelateral press roll
42.142.1
PositionsverstellungsmittelPosition adjustment means
4343
vordere Niederhalterrollefront hold-down roller
43.143.1
PositionsverstellungsmittelPosition adjustment means
4444
hintere Niederhalterrollerear hold-down roller
44.144.1
PositionsverstellungsmittelPosition adjustment means
4545
Gehäuse der PressvorrichtungHousing of the pressing device
4747
TrennblechDivider
4848
Aussparungrecess
4949
Einlaufschrägerun-in slope
5050
UmschlagfalzbogenanlegerUmschlagfalzbogenanleger
5151
Umschlagenvelope
5252
Koppelgetriebecoupling gear
5353
Kurvenscheibecam
5454
TrennblechführungSeparating plate guide
HH
HeftpositionStaple position
AA
AbpresspositionAbpressposition
hH
Hubwegstroke

Claims (18)

Verfahren zum Abpressen von Druckerzeugnissen gekennzeichnet durch folgende Verfahrensschritte: - Zuführen von Signaturen (16, 18, 20, 51) zu einer Transport- und Heftlinie (22) eines Sammelhefters (5) mittels einer Mehrzahl von Anlegern (10, 12, 14, 50), - Sammeln einer Mehrzahl von Signaturen (16, 18, 20, 51) auf der Transport- und Heftlinie (22) zu einer Falzbogenzusammenstellung (30), - Heften der Falzbogenzusammenstellung (30) zu einer Broschur (32) entlang der Transport- und Heftlinie (22) und - Abpressen des Rückens (31) der Broschur (32) entlang der Transport- und Heftlinie (22) mittels einer Presseinrichtung (40). Method for pressing off printed products characterized by the following method steps: - supplying signatures (16, 18, 20, 51) to a transport and stitching line (22) of a saddle stitcher (5) by means of a plurality of investors (10, 12, 14, 50), Collecting a plurality of signatures (16, 18, 20, 51) on the transport and stitching line (22) to form a folded signature (30), - Stapling the folded sheet assembly (30) to a brochure (32) along the transport and stitching line (22) and - Pressing the back (31) of the brochure (32) along the transport and stitching line (22) by means of a pressing device (40). Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass das Verfahren den zusätzlichen Schritt umfasst: - Ermitteln der Produktdicke der Broschur (32) mit einer Dickenkontrolle (33). Method according to claim 1,
characterized,
that the method comprises the additional step: - Determining the product thickness of the brochure (32) with a thickness control (33). Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass das Verfahren den zusätzlichen Schritt umfasst: - automatisches Einstellen der Elemente der Presseinrichtung (40) und/oder der Presselemente (41, 42) und/oder Niederhalterrollen (43, 44) auf die Produktdicke der Broschur (32). Method according to claim 1,
characterized,
that the method comprises the additional step: - Automatic adjustment of the elements of the pressing device (40) and / or the pressing elements (41, 42) and / or hold-down rollers (43, 44) on the product thickness of the brochure (32). Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass das Verfahren die zusätzlichen Schritte umfasst: - Zuführen eines Umschlags (51) zur Falzbogenzusammenstellung (30) vor der Heftung, - Rillen des Umschlags (51) mit einer Doppelrillung in Abhängigkeit der Produktdicke der Falzbogenzusammenstellung (30). Method according to claim 1,
characterized,
that the method comprises the additional steps of: Feeding an envelope (51) to the folded sheet assembly (30) before stapling, - Grooving the envelope (51) with a double grooving depending on the product thickness of the folded sheet combination (30). Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
dass die Broschur (32) vor dem Abpressen aus der Heftposition (H) in eine Abpressposition (A) bewegt wird.Method according to one of the preceding claims,
characterized,
that the brochure (32) is moved before pressing from the stapling position (H) in a Abpressposition (A). Sammelhefter (5) mit einer Mehrzahl von Anlegern (10, 12, 14, 50), sowie einer Transport- und Heftlinie (22) entlang der die Anleger (10, 12, 14, 50) angeordnet sind, sowie einer Heftstation (24), die stromabwärts der Anleger (10, 12, 14, 50) entlang der Transport- und Heftlinie (22) angeordnet ist,
dadurch gekennzeichnet,
dass stromabwärts nach der Heftstation (24) eine Pressvorrichtung (40) entlang der Transport- und Heftlinie (22) angeordnet, die derart beschaffen ist, dass eine rückstichgeheftete Broschur (32) mit einem rechteckigen Rücken (31) erzeugbar ist.Saddle stitcher (5) having a plurality of investors (10, 12, 14, 50), and a transport and stitching line (22) along which the feeders (10, 12, 14, 50) are arranged, and a stitching station (24) located downstream of the feeders (10, 12, 14, 50) along the transport and stapling line (22),
characterized,
in that downstream of the stitching station (24) a pressing device (40) is arranged along the transporting and stitching line (22), which is such that a saddle-stitched brochure (32) with a rectangular back (31) can be produced. Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass die Presseinrichtung (40) eine Mehrzahl von Presselementen (41, 42) und Niederhalterrollen (43, 44) aufweist, mit der die Presskraft einleitbar und verstärkbar ist.A saddle stitcher according to claim 6,
characterized,
in that the pressing device (40) has a plurality of pressing elements (41, 42) and hold-down rollers (43, 44) with which the pressing force can be introduced and amplified. Sammelhefter nach Anspruch 7,
dadurch gekennzeichnet,
dass sich die Presselemente (41, 42) und Niederhalterrollen (43, 44) mit der Transportgeschwindigkeit der gehefteten Broschüren (32) bewegen, insbesondere der Transport der gehefteten Broschüren (32) durch die Presselemente (41, 42) erfolgt.A saddle stitcher according to claim 7,
characterized,
in that the pressing elements (41, 42) and hold-down rollers (43, 44) move with the transport speed of the stapled booklets (32), in particular the transport of the stapled booklets (32) by the pressing elements (41, 42). Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass wenigstens eines der Presselemente (41, 42) oder eine der Niederhalterrollen (43, 44), mit einer Federkraft beaufschlagbar gelagert ist.A saddle stitcher according to claim 6,
characterized,
in that at least one of the pressing elements (41, 42) or one of the hold-down rollers (43, 44) is supported by a spring force. Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass die Position wenigstens eines der Presselemente (41, 42) oder Niederhalterrollen (43, 44) hinsichtlich der Produktdicke der Broschüre (32) positionsverstellbar gelagert ist.A saddle stitcher according to claim 6,
characterized,
that the position (43, 44) is mounted adjustable position of at least one of the pressing members (41, 42) or hold-down rollers with respect to the product thickness of the brochure (32). Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass die Pressvorrichtung (40) seitliche Pressrollen (42) zur Unterstützung der Ausformung des rechteckigen Rückens (31) umfasst, wobei die seitlichen Pressrollen (42) insbesondere in dem Bereich des oberen Presselements (41) angeordnet sind, insbesondere etwas stromaufwärts der oberen Pressrolle (41).A saddle stitcher according to claim 6,
characterized,
in that the pressing device (40) comprises lateral pressing rollers (42) for supporting the formation of the rectangular back (31), the lateral pressing rollers (42) being arranged in particular in the region of the upper pressing element (41), in particular slightly upstream of the upper pressing roller (41). 41). Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass die gesamte Pressvorrichtung (40) in Abhängigkeit der Produktdicke der Broschüre (32) positionsverstellbar gelagert ist.A saddle stitcher according to claim 6,
characterized,
that the entire pressing device (40) is mounted adjustable in position as a function of the product thickness of the booklet (32). Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass der Sammelhefter (5) eine Dickenkontrolle (33) umfasst zur Messung der Dicke der Falzbogenzusammenstellung (30) auf der Transport- und Heftlinie (22).A saddle stitcher according to claim 6,
characterized,
in that the saddle stitcher (5) comprises a thickness control (33) for measuring the thickness of the folded signature assembly (30) on the transport and stitching line (22). Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass Mittel zur Positionsverstellung der Pressvorrichtung (40) vorgesehen sind, vermittels der die Positionsverstellung der verschiedenen Komponenten (41, 42, 43, 44) automatisch erfolgen können.A saddle stitcher according to claim 6,
characterized,
in that means for positional adjustment of the pressing device (40) are provided, by means of which the positional adjustment of the various components (41, 42, 43, 44) can take place automatically. Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass der Sammelhefter (5) einen Umschlagfalzbogenanleger (50) aufweist, der Mittel zur Erzeugung einer Doppelrillung des Umschlags (51) mit einer variablen Beabstandung der Rillen entsprechend der gemessenen Produktdicke der Falzbogenzusammenstellung (30) umfasst.A saddle stitcher according to claim 6,
characterized,
in that the saddle stitcher (5) comprises an envelope folder feeder (50) comprising means for creating a double score of the envelope (51) with a variable spacing of the grooves corresponding to the measured product thickness of the signature assembly (30). Sammelhefter nach Anspruch 6,
dadurch gekennzeichnet,
dass der Sammelhefter (5) im Bereich der Pressvorrichtung (40) Trennblech (47) aufweist, das Sattelbleche (23) der Transport- und Heftlinie (22) unterstützt, wobei das Trennblech (47) eine Aussparung (48) aufweist, und wobei die Aussparung (48) wenigstens in Transportrichtung (P) eine Einlaufschräge (49) aufweist.A saddle stitcher according to claim 6,
characterized,
that the saddle stitcher (5) in the region of the pressing device (40) separating plate (47) which supports saddle plates (23) of the transport and stitching line (22), wherein the separating plate (47) has a recess (48), and wherein the Recess (48) at least in the transport direction (P) has an inlet slope (49). Sammelhefter nach Anspruch 16,
dadurch gekennzeichnet,
dass das Trennblech (47) über eine Hubvorrichtung (52, 53, 54) von einer Heftposition (H) in eine Abpressposition (A) angehoben wird.A saddle stitcher according to claim 16,
characterized,
that the separating plate (47) is raised via a lifting device (52, 53, 54) of a stitching position (H) in a Abpressposition (A). Sammelhefter nach Anspruch 17
dadurch gekennzeichnet,
dass die Hubeinrichtung ein kurvengesteuertes Koppelgetriebe ist.Saddle stitcher according to claim 17
characterized,
is that the lifting device is a cam controlled linkage.
EP06100691A 2005-02-15 2006-01-23 Method and apparatus for the pressing of print signatures Not-in-force EP1690696B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005006773 2005-02-15

Publications (2)

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EP1690696B1 EP1690696B1 (en) 2008-11-05

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Application Number Title Priority Date Filing Date
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Country Status (6)

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US (1) US8123447B2 (en)
EP (1) EP1690696B1 (en)
JP (1) JP2006224670A (en)
CN (1) CN100564063C (en)
AT (1) ATE413284T1 (en)
DE (2) DE502006001962D1 (en)

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Also Published As

Publication number Publication date
US8123447B2 (en) 2012-02-28
EP1690696B1 (en) 2008-11-05
CN1895910A (en) 2007-01-17
JP2006224670A (en) 2006-08-31
DE502006001962D1 (en) 2008-12-18
CN100564063C (en) 2009-12-02
US20060182521A1 (en) 2006-08-17
ATE413284T1 (en) 2008-11-15
DE102006003341A1 (en) 2006-08-31

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