EP1186558A1 - Device for loading a processing line with printed products - Google Patents

Device for loading a processing line with printed products Download PDF

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Publication number
EP1186558A1
EP1186558A1 EP00810816A EP00810816A EP1186558A1 EP 1186558 A1 EP1186558 A1 EP 1186558A1 EP 00810816 A EP00810816 A EP 00810816A EP 00810816 A EP00810816 A EP 00810816A EP 1186558 A1 EP1186558 A1 EP 1186558A1
Authority
EP
European Patent Office
Prior art keywords
conveying
printed product
printed
separating means
conveyor
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.)
Withdrawn
Application number
EP00810816A
Other languages
German (de)
French (fr)
Inventor
Hans Müller
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.)
Grapha Holding AG
Original Assignee
Grapha Holding 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 Grapha Holding AG filed Critical Grapha Holding AG
Priority to EP00810816A priority Critical patent/EP1186558A1/en
Priority to US09/947,928 priority patent/US6758469B2/en
Priority to JP2001274330A priority patent/JP2002120949A/en
Publication of EP1186558A1 publication Critical patent/EP1186558A1/en
Withdrawn legal-status Critical Current

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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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of pile
    • B65H3/0858—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated
    • B65H3/0875—Suction grippers separating from the bottom of pile this action resulting merely in a curvature of each article being separated the final separation being performed by mechanical grippers
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44316—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between 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
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/54—Rotary gripping arms, i.e. integrated in a rotary element as for instance a cylinder, a disk or a turntable
    • 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
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books

Definitions

  • the invention relates to a device for loading a Processing line with printed products, such as folded or unfolded, printed sheet consisting of a stacked Printing products individually from a neighboring magazine Funding body of an investor who is in orbit to the that is driven by a clock-linked, on the in the conveying direction front side edge of a printed product
  • Release agent from the stack of partially lifted printed product is a controllable in open or closed position, the gripper arrangement taking over the printed product from the release agent has the printed product on the in the conveying direction front edge captured.
  • a device of this type also known as a sheet feeder, among other things disclosed by EP - A1 - 0 824 084 and can, for example, as mediated by CH - A - 646 924, in a gathering machine intended for perfect binding be used.
  • the invention proposes to remedy the disadvantages that the gripper arrangement fastened to the conveying member having an essentially the same direction of conveyance in the loading area of the processing line is formed by a controlled gripping device which acts directly next to the separating means acting on the laterally closed fold or edge of a conveyed printed product is arranged.
  • This can be a partially or completely open edge of the printed product, which forms the front edge in the conveying direction.
  • a simplified gripper arrangement can thereby be achieved and on the need for an additional, transverse to the conveying direction acting auxiliary separator, such as on gathering machines (Sheridan Rotary Gatherer) of the US company Sheridan practiced, to be dispensed with.
  • gathering machines Sheridan Rotary Gatherer
  • a device 1 for separating stacked printed products 2 and for loading a processing section 3 with the printed products 2 is illustrated.
  • the printed products 2 are folded printed sheets or, in exceptional cases, unfolded or flat, printed sheets, which are transferred from a stack to a processing line 3 for the production of books, brochures, magazines or similar printed products, in particular folded printed products from the invention affected, but the unfolded are not excluded from processing with the device 1 according to the invention.
  • the separation of the printed products 2 on the underside of a stack requires the special arrangement of the printed products 2 with regard to the separating means 4 used, which in each case capture the bottom printed product 2 of a stack laterally at the front end or in the area of a corner and towards one F Hand over rotating conveyor 5.
  • the gripping device 6 of a gripper arrangement 8 provided on the conveying member 5 of an investor 7 for stack removal. Due to the closed fold 9, which spreads a stability on the printed product 2, the gripping device 6 can grip the printed product 2 without additional help and clamp it only on one side of the drum-shaped conveying element 5.
  • the gripper arrangement 8 can consist of one or more gripping devices 6 distributed on the circumference 1 of the conveying element 5.
  • the gripping devices 6 each have one or two gripping arms 10 which are fastened to a gripper shaft 11 and can be pivoted thereby into an open or closed position according to FIG. 1.
  • a control track 12 arranged fixed to the frame is provided, on which rollers 13 of a control lever 14 connected to a control shaft 15 rotate.
  • the opening and closing movement of the gripper arms 10 takes place by means of a toothed segment 17 fastened on the control shaft 15 and meshing with a toothed wheel 16 fixed on the gripper shaft 11.
  • the separating means 4 is formed by a suction device connected to a vacuum source, which has one or two (known) suction heads 19 on a swivel arm 18, which can be switched on individually or together.
  • the present invention also shows the position of the separating means 4 at the time of detection of a printed product 2 on the underside of the stack, from which the lowermost printed product 2 can be reached through an opening in the base plate 21 of the magazine 20.
  • the coordinated interaction of the separating means 4, the conveying element 5 with the gripper arrangement 8 and the processing section 3 is known and can then also be controlled in the present device 1.
  • the printed products 2 are located in a magazine 20 arranged above the conveying member 5, in which the printed products 2 are stacked one on top of the other and the closed folds 9 according to FIG. are assigned to the gripping device 6.
  • the present invention allows the folds 9 as well as the separating means 4 and the gripping device 6 to be arranged on the opposite side of the magazine 20.
  • a retaining device 22 known per se is provided, which acts in a supporting manner on the stack protruding from the magazine bottom 21 in the vicinity of the separating means 4 and the gripping device 6.
  • This retaining device 22 is connected by a clamp 27 to a shaft 25 which is pivotably mounted on the frame 24 of the feeder 7 parallel to the axis of rotation 23 of the conveying member 5 and has a support surface 26 which, in the operating position, runs approximately flush with the magazine bottom 21 (see FIG. 1 ).
  • the retaining device 22 For the detection of a lowermost printed product 2 by the separating means 4, the retaining device 22 leaves its support position by a pivoting movement, as indicated by dash-dotted lines in FIG. 1, and pivots back as soon as the printed product 2 captured by the separating means 4 is brought out of the pivoting range of the retaining device 22.
  • the retaining device 22 has a protruding shape which is raised against the orbit of the printed products 2 on the conveying element 5 and which, when the lowermost printed product 2 is pulled out, proves to be a sliding guide 26 directed towards it.
  • the conveying member 5 transports the printed product 2 after it has been taken over by the separating means 4 through the gripper arrangement 8, consisting of one or more gripping devices 6 or double gripping devices distributed over the circumference of the conveying member 5, via a conveyor arrangement 36 formed from circulating conveyor belts 29, 30 into the collecting channel 28
  • the conveyor belts 29, 30 lie against one another at about 90 ° on the circumference of the conveyor 5, forming a conveying gap for transporting the printed products 2, with an obliquely downward direction, approximately in the same direction as the conveying direction S of the collecting duct 28 is aligned with the conveying end section 31 and opens into the collecting duct 28.
  • the collecting duct 28 has a laterally rising bearing surface 41, so that the printed products 2 supplied with their closed fold 19 each slide against a side duct wall 42.
  • the printed products 2 are each taken over at the rear edge by drivers 33 fastened to a rotating traction element 32 and transported onward. Since the printed products 2 are only frictionally guided in one side area between two conveyor belts 29, 30, two stationary guide members 34 are provided across the width of the conveying member 5, each forming a guide gap 35 with the conveying member 5, so that the printed products 2 over the whole Conveying width are guided.
  • the conveying belt 29 rotates on the one hand the conveying element 5 and a stationary roller 37 at the end of the conveying arrangement 36, and this on the conveying belt 5 carried by the conveying element 5 29 adjacent conveyor belt 30 revolves around a roller 38 adjacent to the roller 37 at the end of the conveyor and a further stationary deflection roller 39 upstream of the conveyor element 5.
  • the conveyor belts 29, 30 are each tensioned on the strand opposite the conveyor-effective strand by a lever-like tensioning device 40 ,

Abstract

The machine for supplying printed sheets to a processing section (3) comprises a roller (5) which conveys single sheets from a stack (2) to a feeder (7). This is carried out using a gripper (8) which receives individual sheets from a suction device (4) which separates them from the stack.

Description

Die Erfindung betrifft eine Vorrichtung zur Beschickung einer Verarbeitungsstrecke mit Druckprodukten, wie gefalzten oder ungefalzten, bedruckten Bogen, bestehend aus einem gestapelte Druckprodukte einem benachbarten Magazin einzeln entnehmenden Förderorgan eines Anlegers, das auf einer Umlaufbahn, an die das durch ein taktverbunden angetriebenes, auf die in Förderrichtung vordere Seitenkante eines Druckproduktes einwirkende Trennmittel vom Stapel teilweise abgehobene Druckprodukt versetzbar ist, eine in Offen- oder Schliessstellung steuerbare, das Druckprodukt von dem Trennmittel übernehmende Greiferanordnung aufweist, die das Druckprodukt an dem in Förderrichtung vorderen Rand erfasst.The invention relates to a device for loading a Processing line with printed products, such as folded or unfolded, printed sheet consisting of a stacked Printing products individually from a neighboring magazine Funding body of an investor who is in orbit to the that is driven by a clock-linked, on the in the conveying direction front side edge of a printed product Release agent from the stack of partially lifted printed product is a controllable in open or closed position, the gripper arrangement taking over the printed product from the release agent has the printed product on the in the conveying direction front edge captured.

Eine Vorrichtung dieser Art, auch Druckbogenanleger bezeichnet, wird u.a. durch die EP - A1 - 0 824 084 offenbart und kann beispielsweise wie, durch die CH - A - 646 924 vermittelt, in einer für das Klebebinden bestimmten Zusammentragmaschine eingesetzt werden.A device of this type, also known as a sheet feeder, among other things disclosed by EP - A1 - 0 824 084 and can, for example, as mediated by CH - A - 646 924, in a gathering machine intended for perfect binding be used.

Auch bei sog. Sammelheftern, bei denen die Druckprodukte entlang einer sattelförmigen Sammel- resp. Verarbeitungsstrecke rittlings übereinander zusammengetragen werden, werden Druckprodukteanleger der eingangs erwähnten Art verwendet, bei denen dem Förderorgan eine die Druckprodukte an der offenen Kante spreizende Oeffnungsvorrichtung nachgeschaltet ist. Dabei erfolgt das Beschicken einer sattelförmigen Verarbeitungsstrecke jeweils unter Umlenkung der Druckprodukte um etwa 90 °.
Sowohl bei der Zusammentragmaschine als auch beim Sammelhefter beanspruchen diese Teilvorgänge zusätzlich Zeit und die Zuverlässigkeit der Verarbeitungsmethode leidet darunter.Also with so-called saddle stitchers, where the printed products along a saddle-shaped collection or Processing section are straddled one above the other, printed product feeders of the type mentioned at the outset are used, in which an opening device which spreads the printed products at the open edge is connected downstream of the conveying member. A saddle-shaped processing line is loaded with the printed products deflected by approximately 90 °.
Both in the gathering machine and in the saddle stitcher, these sub-processes take additional time and the reliability of the processing method suffers.

Durch Meidung der Umlenkung der Druckprodukte soll dieser nachteilige Umstand weitestgehend behoben werden.By avoiding the redirection of the printed products, this should adverse circumstance are largely remedied.

Hierzu schlägt die Erfindung zur Behebung der Nachteile vor, dass die an dem im Beschickungsbereich der Verarbeitungsstrecke eine im wesentlichen gleichsinnige Förderrichtung aufweisenden Förderorgan befestigte Greiferanordnung durch eine gesteuerte Greifvorrichtung ausgebildet ist, die unmittelbar neben dem auf den seitlich geschlossenen Falz oder Rand eines geförderten Druckproduktes einwirkenden Trennmittel angeordnet ist.
Hierbei kann es sich um eine teilweise oder vollständig offene Kante des Druckproduktes handeln, die die in Förderrichtung vordere Kante bildet. To this end, the invention proposes to remedy the disadvantages that the gripper arrangement fastened to the conveying member having an essentially the same direction of conveyance in the loading area of the processing line is formed by a controlled gripping device which acts directly next to the separating means acting on the laterally closed fold or edge of a conveyed printed product is arranged.
This can be a partially or completely open edge of the printed product, which forms the front edge in the conveying direction.

Dadurch kann eine vereinfachte Greiferanordnung erreicht und auf die Notwendigkeit eines zusätzlichen, quer zur Förderrichtung wirkenden Hilfstrennorgans, wie beispielsweise an Zusammentragmaschinen (Sheridan Rotary Gatherer) der US-Firma Sheridan praktiziert, verzichtet werden.A simplified gripper arrangement can thereby be achieved and on the need for an additional, transverse to the conveying direction acting auxiliary separator, such as on gathering machines (Sheridan Rotary Gatherer) of the US company Sheridan practiced, to be dispensed with.

Anschliessend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht näher erwähnten Einzelheiten ausdrücklich verwiesen wird, anhand eines Ausführungsbeispiels erläutert. In der Zeichnung zeigen:

Fig. 1
eine schematische Darstellung einer erfindungsgemässen Vorrichtung an einer Zusammentragmaschine und
Fig. 2
eine Seitenansicht der in Fig. 1 an einer Zusammentragmaschine gezeigten Vorrichtung.
The invention is then explained with reference to the drawing, to which reference is expressly made with regard to all details not mentioned in the description, using an exemplary embodiment. The drawing shows:
Fig. 1
a schematic representation of an inventive device on a collating machine and
Fig. 2
a side view of the device shown in Fig. 1 on a collating machine.

In den Fig. 1 und 2 ist eine Vorrichtung 1 zur Vereinzelung von gestapelten Druckprodukten 2 und zur Beschickung einer Verarbeitungsstrecke 3 mit den Druckprodukten 2 veranschaulicht. Bei den Druckprodukten 2 handelt es sich um gefalzte Druckbogen oder ausnahmsweise ungefalzte bzw. plane, bedruckte Bogen, die von einem Stapel an eine Verarbeitungsstrecke 3 zur Herstellung von Büchern, Broschuren, Zeitschriften oder dgl. Druckerzeugnissen überführt werden, wobei insbesondere gefalzte Druckprodukte von der Erfindung betroffen, die ungefalzten jedoch von der Verarbeitung mit der erfindungsgemässen Vorrichtung 1 nicht ausgeschlossen sind.
Bekanntlich bedarf es bei der Vereinzelung der Druckprodukte 2 an der Unterseite eines Stapels der besonderen Anordnung der Druckprodukte 2 hinsichtlich der eingesetzten Trennmittel 4, welche jeweils das unterste Druckprodukt 2 eines Stapels seitlich am vorderen Ende bzw. im Bereich einer Ecke erfassen und an ein in Richtung F drehendes Förderogan 5 übergeben.
Um ein gefalztes Druckprodukt 2 ohne bedeutende Veränderung seines kompakten Zustandes, beispielsweise unter den einzelnen Blättern, an die Verarbeitungsstrecke 3 überführen zu können, wird es erfindungsgemäss unmittelbar neben dem durch das Trennmittel 4 vom Stapel abgehobenen, in Fördererrichtung seitlichen, geschlossenen (letzten) Falz von einer Greifvorrichtung 6 einer an dem Förderorgan 5 eines Anlegers 7 vorgesehenen Greiferanordnung 8 zur Stapelentnahme erfasst. Durch den auf das Druckprodukt 2 eine Stabilität verbreitenden geschlossenen Falz 9 vermag die Greifvorrichtung 6 ohne zusätzliche Hilfe das Druckprodukt 2 zu erfassen und nur an einer Seite des trommelfömigen Förderorgan 5 festzuklemmen. Die Greiferanordnung 8 kann übrigens aus einem oder mehreren am Umfang 1 des Förderorgans 5 verteilten Greifvorrichtungen 6 bestehen. Die Greifvorrichtungen 6 weisen jeweils einen oder zwei Greifarme 10 auf, die an einer Greiferwelle 11 befestigt und durch diese in eine Offen- oder Schliessstellung gemäss Fig. 1 verschwenkbar sind. Zu diesem Zweck ist beispielsweise eine gestellfest angeordnete Steuerbahn 12 vorgesehen, an welcher Rollen 13 eines mit einer Steuerwelle 15 verbundenen Steuerhebels 14 umlaufen. Die Oeffnungs- und Schliessbewegung der Greiferarme 10 erfolgt durch ein auf der Steuerwelle 15 befestigten, mit einem an der Greiferwelle 11 festsitzenden Zahnrad 16 kämmenden Zahnsegment 17. Solche und ähnliche Steuermechanismen sind bekannt.
Das Trennmittel 4 wird durch eine mit einer Vakuumquelle verbundene Ansaugvorrichtung gebildet, die an einem Schwenkarm 18 einen oder zwei (bekannte) Saugköpfe 19 aufweist, die wahlweise einzeln oder gemeinsam zuschaltbar sind. Fig. 1 zeigt auch die Stellung des Trennmittels 4 zum Erfassungszeitpunkt eines Druckproduktes 2 an der Unterseite des Stapels, von dem das unterste Druckprodukt 2 jeweils durch eine Öffnung der Bodenplatte 21 des Magazins 20 erreichbar ist.
Das abgestimmte Zusammenwirken von Trennmittel 4, Förderorgan 5 mit Greiferanordnung 8 und Verarbeitungsstrecke 3 ist bekannt und danach auch bei der vorliegenden Vorrichtung 1 beherrschbar.
Die Druckprodukte 2 befinden sich im dargestellten Beispiel in einem oberhalb des Förderorgans 5 angeordneten Magazin 20, in welchem die Druckprodukte 2 übereinander gestapelt und die geschlossenen Falze 9 gemäss Fig. 2 auf der rechten Seite, dem Trennmittel 4 resp. der Greifvorrichtung 6 zugeordnet sind. Selbstverständlich gestattet die vorliegende Erfindung eine Anordnung der Falze 9 sowie Trennmittel 4 und Greifvorrichtung 6 auf der gegenüberliegenden Seite des Magazines 20. Auch eine Anordnungsweise des Stapels und dessen Verarbeitung mit stehenden Druckprodukten 2, wie in der EP - A1 - 0 824 084 veranschaulicht, ist durch die vorliegende Erfindung möglich.
Zur Meidung eines selbsttätigen Abkippens der untersten Druckprodukte 2 in der Bodenöffnung ist eine an sich bekannte Rückhaltevorrichtung 22 vorgesehen, die im Näherungsbereich von Trennmittel 4 und Greifvorrichtung 6 stützend auf den den Magazinboden 21 hinausragenden Stapel einwirkt. Diese Rückhaltevorrichtung 22 ist durch eine Klemme 27 mit einer parallel zur Drehachse 23 des Förderorgans 5 an dem Gestell 24 des Anlegers 7 schwenkbar gelagerten Welle 25 verbunden und weist eine Stützfläche 26 auf, die in Betriebsstellung etwa bündig zum Magazinboden 21 verläuft (siehe Fig. 1). Für das Erfassen eines untersten Druckproduktes 2 durch das Trennmittel 4 verlässt die Rückhaltevorrichtung 22 ihre Stützposition durch eine Schwenkbewegung, wie in Fig. 1 strichpunktiert vermerkt, und schwenkt zurück, sobald das vom Trennmittel 4 erfasste Druckprodukt 2 aus dem Schwenkbereich der Rückhaltevorrichtung 22 gebracht ist. Die Rückhaltevorrichtung 22 besitzt eine gegen die Umlaufbahn der Druckprodukte 2 an dem Förderorgan 5 erhaben vorstehende Form, die sich beim Herausziehen des untersten Druckproduktes 2 als eine auf dieses gerichtete Gleitführung 26 erweist.
In Fig. 2 ist zu erkennen, dass die Rückhaltevorrichtung 22 den Wirkbereich der einen Greifvorrichtung 6 der Greiferanordnung 8 seitlich wenigstens teilweise übergreift, und dass eine weitere Greifvorrichtung 6 -benachbart zur anderen- vorgesehen ist, die die Klemwirkung auf ein Druckprodukt 2 verbessert und dadurch die Lageeinhaltung eines Druckproduktes 2 am Förderorgan 5 begünstigt. Im übrigen zeigt Fig. 1 in strichpunktierten Linien die Stellung der Greifvorrichtung 6 in der Ausserbetriebslage.
Die Beschickung eines Sammelkanals 28 als Verarbeitungsstrecke 3 einer Zusammentragmaschine erfolgt unmittelbar, d.h. die über dem Sammelkanal 28 angeordneten Anleger 7 überführen die Druckprodukte 2 vom Magazin 20 in den Sammelkanal 28 ohne eine Richtungsänderung. Das Förderorgan 5 transportiert das Druckprodukt 2 nach der Uebernahme vom Trennmittel 4 durch die Greiferanordnung 8, bestehend aus einer oder mehreren am Umfang des Förderorgans 5 verteilten Greifvorrichtungen 6 bzw. Doppelgreifvorrichtungen, über eine aus umlaufenden Transportbändern 29, 30 gebildete Förderanordnung 36 in den Sammelkanal 28. Hierzu verlaufen die Transportbänder 29, 30 nach der Uebernahme eines Druckproduktes 2 durch die Greifvorrichtung 6 etwa 90° am Umfang des Förderogans 5 aneinander anliegend, einen Förderspalt zum Transport der Druckprodukte 2 bildend, mit einem schräg nach unten gerichteten, etwa gleichsinnig zu der Förderrichtung S des Sammelkanals 28 ausgerichteten und in den Sammelkanal 28 mündenden Förderendabschnitt 31. Der Sammelkanal 28 weist eine seitlich ansteigende Auflagefläche 41 auf, sodass die zugeführten Druckprodukte 2 jeweils mit ihrem geschlossenen Falz 19 voraus an eine seitliche Kanalwand 42 rutschen. Im Sammelkanal 28, wo die Druckprodukte 2 übereinander zu liegen kommen, werden sie jeweils der rückwärtigen Kante von an einem umlaufenden Zugorgan 32 befestigten Mitnehmer 33 übernommen und weitertransportiert.
Da die Druckprodukte 2 jeweils nur in einem Seitenbereich zwischen zwei Transportbändern 29, 30 reibschlüssig geführt sind, sind über die Breite des Förderorgans 5 zwei stationäre Leitorgane 34 vorgesehen, die mit dem Förderorgan 5 jeweils einen Führungsspalt 35 bilden, sodass die Druckprodukte 2 über die ganze Förderbreite geführt sind.
Zur Bildung des Förderweges entlang des Umfangs des Förderorgans 5 und dem anschliessenden Förderendabschnitt 31 durch die Förderbänder 29, 30, umläuft Förderband 29 einerseits das Förderorgan 5 sowie eine stationäre Rolle 37 am Ende der Förderanordnung 36, und das an dem von dem Förderorgan 5 getragenen Förderband 29 anliegende Förderband 30 umläuft jeweils eine von der Rolle 37 benachbarte Rolle 38 am Förderende sowie eine weitere stationäre, dem Förderorgan 5 vorgeschaltete Umlenkrolle 39. Das Spannen der Transportbänder 29, 30 erfolgt jeweils an dem dem förderwirksamen Trum gegenüberliegenden Trum durch eine hebelartig wirkende Spannvorrichtung 40.1 and 2, a device 1 for separating stacked printed products 2 and for loading a processing section 3 with the printed products 2 is illustrated. The printed products 2 are folded printed sheets or, in exceptional cases, unfolded or flat, printed sheets, which are transferred from a stack to a processing line 3 for the production of books, brochures, magazines or similar printed products, in particular folded printed products from the invention affected, but the unfolded are not excluded from processing with the device 1 according to the invention.
As is known, the separation of the printed products 2 on the underside of a stack requires the special arrangement of the printed products 2 with regard to the separating means 4 used, which in each case capture the bottom printed product 2 of a stack laterally at the front end or in the area of a corner and towards one F Hand over rotating conveyor 5.
In order to be able to transfer a folded printed product 2 to the processing section 3 without a significant change in its compact state, for example under the individual sheets, according to the invention it is immediately next to the closed (last) fold in the conveyor direction which is lifted from the stack by the separating means 4 a gripping device 6 of a gripper arrangement 8 provided on the conveying member 5 of an investor 7 for stack removal. Due to the closed fold 9, which spreads a stability on the printed product 2, the gripping device 6 can grip the printed product 2 without additional help and clamp it only on one side of the drum-shaped conveying element 5. Incidentally, the gripper arrangement 8 can consist of one or more gripping devices 6 distributed on the circumference 1 of the conveying element 5. The gripping devices 6 each have one or two gripping arms 10 which are fastened to a gripper shaft 11 and can be pivoted thereby into an open or closed position according to FIG. 1. For this purpose, for example, a control track 12 arranged fixed to the frame is provided, on which rollers 13 of a control lever 14 connected to a control shaft 15 rotate. The opening and closing movement of the gripper arms 10 takes place by means of a toothed segment 17 fastened on the control shaft 15 and meshing with a toothed wheel 16 fixed on the gripper shaft 11. Such and similar control mechanisms are known.
The separating means 4 is formed by a suction device connected to a vacuum source, which has one or two (known) suction heads 19 on a swivel arm 18, which can be switched on individually or together. 1 also shows the position of the separating means 4 at the time of detection of a printed product 2 on the underside of the stack, from which the lowermost printed product 2 can be reached through an opening in the base plate 21 of the magazine 20.
The coordinated interaction of the separating means 4, the conveying element 5 with the gripper arrangement 8 and the processing section 3 is known and can then also be controlled in the present device 1.
In the example shown, the printed products 2 are located in a magazine 20 arranged above the conveying member 5, in which the printed products 2 are stacked one on top of the other and the closed folds 9 according to FIG. are assigned to the gripping device 6. Of course, the present invention allows the folds 9 as well as the separating means 4 and the gripping device 6 to be arranged on the opposite side of the magazine 20. There is also an arrangement of the stack and its processing with standing printed products 2, as illustrated in EP-A1-0 824 084 possible by the present invention.
To avoid automatic tipping of the lowermost printed products 2 in the bottom opening, a retaining device 22 known per se is provided, which acts in a supporting manner on the stack protruding from the magazine bottom 21 in the vicinity of the separating means 4 and the gripping device 6. This retaining device 22 is connected by a clamp 27 to a shaft 25 which is pivotably mounted on the frame 24 of the feeder 7 parallel to the axis of rotation 23 of the conveying member 5 and has a support surface 26 which, in the operating position, runs approximately flush with the magazine bottom 21 (see FIG. 1 ). For the detection of a lowermost printed product 2 by the separating means 4, the retaining device 22 leaves its support position by a pivoting movement, as indicated by dash-dotted lines in FIG. 1, and pivots back as soon as the printed product 2 captured by the separating means 4 is brought out of the pivoting range of the retaining device 22. The retaining device 22 has a protruding shape which is raised against the orbit of the printed products 2 on the conveying element 5 and which, when the lowermost printed product 2 is pulled out, proves to be a sliding guide 26 directed towards it.
2 that the retaining device 22 laterally overlaps the effective area of the one gripping device 6 of the gripper arrangement 8 at least partially, and that a further gripping device 6 - adjacent to the other - is provided which improves the clamping effect on a printed product 2 and thereby the positional compliance of a printed product 2 on the conveyor 5 favors. 1 shows in dash-dotted lines the position of the gripping device 6 in the non-operating position.
The loading of a collecting duct 28 as processing section 3 of a collating machine takes place immediately, ie the feeders 7 arranged above the collecting duct 28 transfer the printed products 2 from the magazine 20 into the collecting duct 28 without a change of direction. The conveying member 5 transports the printed product 2 after it has been taken over by the separating means 4 through the gripper arrangement 8, consisting of one or more gripping devices 6 or double gripping devices distributed over the circumference of the conveying member 5, via a conveyor arrangement 36 formed from circulating conveyor belts 29, 30 into the collecting channel 28 For this purpose, after the take-over of a printed product 2 by the gripping device 6, the conveyor belts 29, 30 lie against one another at about 90 ° on the circumference of the conveyor 5, forming a conveying gap for transporting the printed products 2, with an obliquely downward direction, approximately in the same direction as the conveying direction S of the collecting duct 28 is aligned with the conveying end section 31 and opens into the collecting duct 28. The collecting duct 28 has a laterally rising bearing surface 41, so that the printed products 2 supplied with their closed fold 19 each slide against a side duct wall 42. In the collecting duct 28, where the printed products 2 come to lie one on top of the other, they are each taken over at the rear edge by drivers 33 fastened to a rotating traction element 32 and transported onward.
Since the printed products 2 are only frictionally guided in one side area between two conveyor belts 29, 30, two stationary guide members 34 are provided across the width of the conveying member 5, each forming a guide gap 35 with the conveying member 5, so that the printed products 2 over the whole Conveying width are guided.
To form the conveying path along the circumference of the conveying element 5 and the adjoining conveying end section 31 through the conveying belts 29, 30, the conveying belt 29 rotates on the one hand the conveying element 5 and a stationary roller 37 at the end of the conveying arrangement 36, and this on the conveying belt 5 carried by the conveying element 5 29 adjacent conveyor belt 30 revolves around a roller 38 adjacent to the roller 37 at the end of the conveyor and a further stationary deflection roller 39 upstream of the conveyor element 5. The conveyor belts 29, 30 are each tensioned on the strand opposite the conveyor-effective strand by a lever-like tensioning device 40 ,

Claims (11)

Vorrichtung (1) zur Beschickung einer Verarbeitungsstrecke (3) mit Druckprodukten (2), wie gefalzten oder ungefalzten bedruckten Bogen, bestehend aus einem gestapelte Druckprodukte (2) einem benachbarten Magazin (20) einzeln entnehmenden Förderorgan (5) eines Anlegers (7), das auf einer Umlaufbahn, an die das durch ein taktverbunden angetriebenes, auf die in Förderrichtung (F) vordere Seitenkante eines Druckproduktes (2) einwirkende Trennmittel (4) vom Stapel teilweise abgehobene Druckprodukt (2) versetzbar ist, eine in Offen- oder Schliessstellung steuerbare, das Druckprodukt (2) von dem Trennmittel (4) übernehmende Greiferanordnung (8) aufweist, die das Druckprodukt (2) an dem in Förderrichtung (F) vorderen Rand erfasst, dadurch gekennzeichnet, dass die an dem im Beschickungsbereich der Verarbeitungsstrecke (3) eine im wesentlichen gleichsinnige Förderrichtung aufweisenden Förderorgan (5) befestigte Greiferanordnung (8) durch eine gesteuerte Greifvorrichtung (6) ausgebildet ist, die unmittelbar neben dem auf den in Förderrichtung seitlich geschlossenen Falz (19) oder Rand eines geförderten Druckproduktes (2) einwirkenden Trennmittel (4) angeordnet ist.Device (1) for loading a processing section (3) with printed products (2), such as folded or unfolded printed sheets, consisting of a stacked printed product (2) from an adjacent magazine (20) of a feeder (5) of an investor (7), the separable means (4) partially lifted off the stack by a cyclically driven, on the in the conveying direction (F) front side edge of a printed product (2) separating means (4), a controllable in the open or closed position , The printed product (2) from the separating means (4) receiving gripper arrangement (8), which grips the printed product (2) at the front edge in the conveying direction (F), characterized in that the at the in the loading area of the processing line (3) a gripper arrangement (8) fastened with a conveying element (5) which is essentially in the same direction of conveyance is formed by a controlled gripping device (6) which is arranged directly next to the separating means (4) acting on the fold (19) or edge of a conveyed printed product (2) which is closed laterally in the conveying direction. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das oberhalb der Verarbeitungsstrecke (3) angeordnete Förderorgan (5) um wenigstens eine quer zur Förderrichtung (F) der Druckprodukte (2) gerichtete Achse (23) angetrieben ist.Device according to claim 1, characterized in that the conveying member (5) arranged above the processing section (3) is driven about at least one axis (23) directed transversely to the conveying direction (F) of the printed products (2). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Umlaufbahn des Förderorgans (S) kreisförmig ist. Apparatus according to claim 2, characterized in that the orbit of the conveyor member (S) is circular. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das zwischen der Unterseite des Druckproduktestapels und der Umlaufbahn des Förderorgans (5) bewegliche Trennmittel (4) als eine mit einer Vakuumquelle verbundene Ansaugvorrichtung ausgebildet ist.Device according to one of claims 1 to 3, characterized in that the separating means (4) movable between the underside of the printed product stack and the orbit of the conveying member (5) is designed as a suction device connected to a vacuum source. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Ansaugvorrichtung um eine parallel zur Drehachse (23) des Förderorgans (5) angeordnete Achse schwenkbar angetrieben ist und am schwenkbaren Ende wenigstens einen Saugkopf (19) aufweist.Apparatus according to claim 4, characterized in that the suction device is pivotally driven about an axis arranged parallel to the axis of rotation (23) of the conveying member (5) and has at least one suction head (19) at the pivotable end. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass dem Trennmittel (4) eine von der Unterseite des Druckproduktestapels abhebbare Rückhaltevorrichtung (22) zugeordnet ist, die in der Stützposition mit der Umlaufbahn des Förderorgans (5) einen Führungsabschnitt der durchlaufenden Druckprodukte (2) bildet. Device according to one of claims 1 to 5, characterized in that the separating means (4) is assigned a retention device (22) which can be lifted off from the underside of the printed product stack and which, in the supporting position with the orbit of the conveying member (5), has a guide section of the continuous printed products ( 2) forms. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Förderorgan (5) zumindest im Umlaufbahnbereich der Greiferanordnung (8) trommelförmig ausgebildet ist.Device according to one of claims 1 to 6, characterized in that the conveying member (5) is drum-shaped at least in the orbit region of the gripper arrangement (8). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass dem Förderorgan (5) wenigstens annähernd über den förderwirksamen Bereich eine einen Förderkanal bildende Förderanordnung (36) nachgeschaltet ist.Device according to one of claims 1 to 7, characterized in that the conveying member (5) is followed at least approximately by a conveying arrangement (36) forming a conveying channel via the conveying region. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der sich in den Näherungsbereich der Verarbeitungsstrecke (3) erstreckende Förderkanal durch aneinander anliegende, umlaufende Transportbänder (29, 30) gebildet ist.Apparatus according to claim 8, characterized in that the conveyor channel which extends into the proximity of the processing section (3) is formed by circumferential conveyor belts (29, 30) which abut one another. Vorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Förderanordnung durch im Wirkbereich des Förderorgans (5) angeordnete Leitelemente (34) ausgebildet ist.Apparatus according to claim 8 or 9, characterized in that the conveyor arrangement is formed by guide elements (34) arranged in the active region of the conveyor member (5). Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass diese über einer als Sammelkanal (28) einer Zusammentragmaschine ausgebildeten Verarbeitungsstrecke (3) angeordnet ist.Device according to one of claims 1 to 10, characterized in that it is arranged over a processing section (3) designed as a collecting channel (28) of a collating machine.
EP00810816A 2000-09-11 2000-09-11 Device for loading a processing line with printed products Withdrawn EP1186558A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00810816A EP1186558A1 (en) 2000-09-11 2000-09-11 Device for loading a processing line with printed products
US09/947,928 US6758469B2 (en) 2000-09-11 2001-09-07 Gripping conveyor with pneumatic separator
JP2001274330A JP2002120949A (en) 2000-09-11 2001-09-10 Device for carrying printed matter in processing line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00810816A EP1186558A1 (en) 2000-09-11 2000-09-11 Device for loading a processing line with printed products

Publications (1)

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EP1186558A1 true EP1186558A1 (en) 2002-03-13

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EP (1) EP1186558A1 (en)
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US6758469B2 (en) 2004-07-06
US20020060391A1 (en) 2002-05-23

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