EP0771675A1 - Device for removing printed products from a saddle conveyor - Google Patents

Device for removing printed products from a saddle conveyor Download PDF

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Publication number
EP0771675A1
EP0771675A1 EP96810717A EP96810717A EP0771675A1 EP 0771675 A1 EP0771675 A1 EP 0771675A1 EP 96810717 A EP96810717 A EP 96810717A EP 96810717 A EP96810717 A EP 96810717A EP 0771675 A1 EP0771675 A1 EP 0771675A1
Authority
EP
European Patent Office
Prior art keywords
clamping
printed products
carrier
pliers
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Withdrawn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
EP96810717A
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
Publication of EP0771675A1 publication Critical patent/EP0771675A1/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Withdrawn legal-status Critical Current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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/06—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by rotating members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B42C19/08—Conveying between operating stations in 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44714—Grippers, e.g. moved in paths enclosing an area carried by rotating members
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4479—Saddle conveyor with saddle member extending in transport direction

Definitions

  • the invention relates to a device for the removal of printed products straddled at regular intervals on a saddle-shaped support of a conveying device on rotating carriers.
  • a device of this type is described, for example, in CH-A-358'100 and can be used, inter alia, in a saddle stitcher in which a plurality of feeders are arranged along a conveyor device, which straddle the print sheets assigned to them in a specific order on the saddle-shaped support stack on top of each other so that they can then be transported to the stapling station by the conveyor.
  • the conveying end of the conveying device is formed by a lifting or lifting device, which comprises a lifting bar, which, respectively. is arranged to be raised and lowered under the support of the conveyor.
  • This lifting device is coupled by an actuation system to the drive movement of the conveyor device, so that the lifting bar can be periodically raised with a vertical and a movement component oriented in the feed direction through a slot in the support above such that the printed sheets lying on the lifting bar are pushed in between roller pairs arranged one behind the other are, the axes of rotation of the rollers are parallel to the plane of movement of the lifting blade and perpendicular to its oblique movement component.
  • one roller of a pair of rollers is driven and the others are freely rotatably mounted and pressed resiliently against the former.
  • this object is achieved in that the conveying device is arranged approximately tangentially below the orbit of at least one clamping device, which rotates in the vicinity of the conveying device in the same direction and with at least approximately the conveying speed of the printed products, and detects the printed products on the fold, so that a stepless deflection of the printed products can occur .
  • the device according to the invention could, of course, be used to remove printed products from a plug-in machine without making a change in principle.
  • the orbit preferably has an axis of rotation about which the clamping device rotates.
  • a revolving traction element, on which the clamping device is controllably arranged could serve the same purpose.
  • a clamping device provided with at least one clamping pliers proves to be advantageous, which is formed by a carrier driven around the drive axis, a holding body rotatably mounted at a radial distance from the driving axis on the carrier about an axis of rotation parallel to the driving axis, to which the clamping pliers is attached, and a gear mechanism driving the holding body with respect to its axis of rotation by an amount equal to the rotational angle of the carrier in the opposite direction and driven by the rotational movement of the carrier, whereby a gentle removal of the printed products from the support of the conveying device can be achieved.
  • a transmission has proven to be an expedient embodiment, in which the holding body is connected to a toothed wheel, which is drive-connected via an intermediate toothed wheel which serves to reverse the angle, with a toothed ring which is arranged coaxially to the drive axis is so that a regular removal process can occur.
  • a wheel of an endlessly rotating drive belt preferably a toothed belt, which is fixed coaxially to the drive axis and is rotatably mounted on the carrier and is connected to the holding body, has also proven successful.
  • the clamping device on the conveying device is assigned a lifting device which lifts the printed products at the takeover point from the support and is formed, for example, by a recess so that the printed products can be gripped by the clamping pliers on the fold.
  • the invention provides a conveyor which is arranged in the trajectory of the deflected printed products and which ensures trouble-free further transport.
  • the clamping pliers can have two movable parts of the pliers, which are fastened to shafts of two intermeshing tooth segments and can be pressed against the force of a spring, or the closing pliers can be actuated, by a roller which engages on a tooth segment and is supported on the carrier for control purposes.
  • the holding body connected to the gearwheel of the transmission is suitable for this purpose, and the one with a for controlling the clamping pliers Tooth segment drive-connected control roller engaging in a control path on the carrier.
  • a deflecting element which displaces the clamping pliers from an approximately vertical plane of movement and follows an adjustable guide is preferably provided on one of the pliers parts made of a resilient material, for example a deflecting element running on a guide Role.
  • FIG. 1 and 2 show a device 1 for the removal of a conveyor device 3 on a saddle-shaped support 2 astride transported print products 4. These follow at regular intervals on drivers 5, which are attached to an endlessly rotating traction element, in the direction of arrow F.
  • the conveying device 3 could, among other things, be assigned to a saddle stitcher and the proposed device 1 for removing a stapling station.
  • the rotational speed of the clamping tongs 8 can be slightly higher than the conveying speed of the printed products 4 on the conveying device 3, so that due to the increasing decelerating parallel speed component of the clamping tongs 8 after passing through the lowest point on the orbit - where the printed products 4 from of the clamping pliers 8 on the fold 9 can be avoided - a compression of the printed products by the driver 5 can be avoided.
  • the clamping device 7 consists of three clamping pliers 8, which are connected by a holding body 10 to a three-armed or star-shaped carrier 11, which could also be designed as a disk.
  • the holding body 10 is rotatably supported at a radial distance from the drive axis 6 of the carrier 11 about an axis of rotation 12 parallel to the drive axis 6.
  • the clamping pliers 8 are each arranged on the holding body 10.
  • the clamping device 7 has a gear 13, whereby the holding body 10 with respect to its axis of rotation 12 an angle of rotation of the same amount opposite to the angle of rotation of the carrier 11 are driven such that the clamping tongs 8 do not change the orientation position of a printed product 4 detected on the conveyor 3 on the further conveyor path.
  • the clamping effect of the clamping pliers 8 is parallel to their axis of rotation 12, respectively. aligned at right angles to the conveying direction of the printed products 4.
  • the gear 13 in turn has a gearwheel 14 connected to the holding body 10, which meshes with an intermediate gearwheel 15 which is intended for reversing the angle and which is in turn drive-connected to a toothed ring 16 arranged coaxially with the drive axis 6.
  • a transmission 13 which is designed as a traction mechanism, instead of the ring gear 16, a fixed wheel and for the gear 14 connected to the holding body 10, a rotatably mounted wheel for an endlessly rotating drive belt, preferably toothed belt, which is provided by the rotary movement of the Carrier 11, the clamp 8 each holds in a stable position.
  • a lifting device 17 is arranged to lift the printed products 4 from the support 2 of the conveying device 3. This moves below the fold 9 of a printed product 4 with a vertical and horizontal movement component, so that the printed products 4 are lifted from the support 2 on the one hand and at the same time set in a parallel conveying movement occurring on the conveying device 3.
  • the organ lifting the printed products 4 is provided under the fold 9 with a recess 18, so that the strip-like elements 19 of the pliers parts 20, 21 act exclusively on the printed products 4.
  • the lifting device 17 accompanying the printed products 4 on the conveyor 3 serves for a gentle transfer of the printed products 4 from the conveyor 3 to the rotating clamping device 7.
  • a conveyor 22 connects to the conveyor section covered by the clamping device 7 by approximately 90 °. This consists of a rotating drum 24, which is partially surrounded by one or more deflection belts 23 and rotates about an approximately horizontal axis, which, together with one or more endlessly rotating conveyor belts 25, form a conveying gap 26 opening into the flight path of the printed products transported by the clamping device 7.
  • FIG. 3 and 4 illustrate the formation of a clamp 8 of the clamping device 7 in the transfer area of the conveyor 22.
  • the vertical dash-dotted line 27 marks the trajectory of the printed products 4 transported by the clamping device 7.
  • the carrier 11 has the one rotating about the axis of rotation 12 Holding body 10 drive-connected to the gear wheel 14.
  • the holding body 10 serves to support two mutually engaging toothed segments 29, 30 with which the pliers parts 20 via shafts 31, 32 , 21 are connected.
  • the toothed spring 29 connected to these toothed segments 29, 30 for opening the clamping pliers 8 is anchored to retaining pins 34 projecting radially from the shafts 31, 32.
  • the closing movement of the clamping pliers 8 is initiated by a roller 35 which engages on the toothed segment 30 and is supported on the bracket 28 in a tax-effective manner and which follows a control path.
  • the pliers parts 20, 21 are made of a resilient material, for example spring steel, so that on the one hand they can be pressed over in the closed position of the clamping pliers 8 to achieve a higher clamping pressure, and on the other hand the resilient material allows the clamping pliers 8 in the case of thicker printed products 4 by one Forceps part 20 attached deflection roller 36, which runs on an adjustable guide, to change the trajectory of the printed products 4 easily, so that they do not line up with the conveying gap 26, which cannot be changed in position.

Abstract

The printed products (4) are conveyed astride a saddle-like support (2) on the conveyor (3), e.g. for stapling, and spaced on it by flights. They are removed from the conveyor by a controllable clamp (7) under which the conveyor runs tangentially to allow the device to grasp a fold (9) or open side of the product. Preferably, the clamp has a carrier (11), rotating about a drive axle (6) and carrying mounting bodies (10) on which tongs (8) are positioned. A gear unit (13) is driven by rotation of the carrier and rotates the mounting body about the same angle as the rotation of the carrier but in the opposite direction, through an intermediate gear (15).

Description

Die Erfindung betrifft eine Vorrichtung zur Entnahme von auf einer sattelförmigen Auflage einer Fördereinrichtung an umlaufenden Mitnehmern in regelmässigen Abständen rittlings transportierten Druckprodukten.The invention relates to a device for the removal of printed products straddled at regular intervals on a saddle-shaped support of a conveying device on rotating carriers.

Eine Vorrichtung dieser Art ist beispielsweise in der CH - A - 358'100 beschrieben und kann u.a. bei einem Sammelhefter verwendet werden, bei welchem entlang einer Fördereinrichtung mehrere Anleger angeordnet sind, welche die ihnen jeweils zugeordneten Druckbogen in einer bestimmten Reihenfolge auf der sattelförmigen Auflage rittlings übereinander ablegen, um anschliessend durch die Fördereinrichtung an die Heftstation weiter transportiert zu werden.
Das Förderende der Fördereinrichtung ist durch eine Ab- oder Aushebevorrichtung ausgebildet, die ein Abhebeschwert umfasst, das über resp. unter die Auflage der Fördereinrichtung anheb- und absenkbar angeordnet ist. Diese Abhebevorrichtung ist durch ein Betätigungssystem mit der Antriebsbewegung der Fördereinrichtung gekuppelt, damit das Abhebeschwert periodisch mit einer vertikalen und einer in Vorschubrichtung orientierten Bewegungskomponente durch einen Schlitz in der Auflage über diese angehoben werden kann, derart, dass die dabei auf dem Abhebeschwert liegenden Druckbogen zwischen hintereinander angeordnete Rollenpaare hineingeschoben werden, wobei die Drehachsen der Rollen parallel zur Bewegungsebene des Abhebeschwertes und jeweils senkrecht zu dessen schräger Bewegungskomponente gerichtet sind.
Zudem sind die einen Rollen eines Rollenpaares angetrieben und die anderen frei drehend gelagert sowie federnd an erstere angepresst.A device of this type is described, for example, in CH-A-358'100 and can be used, inter alia, in a saddle stitcher in which a plurality of feeders are arranged along a conveyor device, which straddle the print sheets assigned to them in a specific order on the saddle-shaped support stack on top of each other so that they can then be transported to the stapling station by the conveyor.
The conveying end of the conveying device is formed by a lifting or lifting device, which comprises a lifting bar, which, respectively. is arranged to be raised and lowered under the support of the conveyor. This lifting device is coupled by an actuation system to the drive movement of the conveyor device, so that the lifting bar can be periodically raised with a vertical and a movement component oriented in the feed direction through a slot in the support above such that the printed sheets lying on the lifting bar are pushed in between roller pairs arranged one behind the other are, the axes of rotation of the rollers are parallel to the plane of movement of the lifting blade and perpendicular to its oblique movement component.
In addition, one roller of a pair of rollers is driven and the others are freely rotatably mounted and pressed resiliently against the former.

Diese bekannte Konstruktion hat gegenüber der rechtwinkligen Umlenkung der Druckprodukte eine Verbesserung hinsichtlich Funktionalität erfahren, sie erweist sich jedoch bei grösseren Geschwindigkeiten resp. höherer Durchsatzleistung weiterhin als unzuverlässig.This known design has undergone an improvement in terms of functionality compared to the right-angled deflection of the printed products, but it has been found to work at higher speeds. higher throughput continues to be unreliable.

Aufgabe der vorliegenden Erfindung ist es deshalb, eine Vorrichtung der eingangs genannten Art zu schaffen, die bei höheren Anforderungen an die Zuverlässigkeit und Leistung weitestgehend fehlerlos arbeitet.It is therefore an object of the present invention to provide a device of the type mentioned at the outset which operates largely faultlessly with higher demands on reliability and performance.

Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass die Fördereinrichtung etwa tangential unterhalb der Umlaufbahn wenigstens einer, im Näherungsbereich der Fördereinrichtung gleichsinnig und mit wenigstens annähernd der Fördergeschwindigkeit der Druckprodukte umlaufenden, die Druckprodukte am Falz erfassenden Klemmvorrichtung angeordnet ist, sodass eine stufenlose Umlenkung der Druckprodukte entstehen kann.According to the invention, this object is achieved in that the conveying device is arranged approximately tangentially below the orbit of at least one clamping device, which rotates in the vicinity of the conveying device in the same direction and with at least approximately the conveying speed of the printed products, and detects the printed products on the fold, so that a stepless deflection of the printed products can occur .

Die erfindungsgemässe Vorrichtung könnte selbstverständlich zur Entnahme von Druckprodukten aus einer Einsteckmaschine verwendet werden, ohne dass eine prinzipielle Aenderung vorzunehmen ist.The device according to the invention could, of course, be used to remove printed products from a plug-in machine without making a change in principle.

Vorzugsweise weist die Umlaufbahn eine Drehsachse auf, um die die Klemmvorrichtung rotiert.
Selbstverständlich könnte ein umlaufendes Zugorgan, an welchem die Klemmvorrichtung steuerbar angeordnet ist, den gleichen Zweck erfüllen.The orbit preferably has an axis of rotation about which the clamping device rotates.
Of course, a revolving traction element, on which the clamping device is controllably arranged, could serve the same purpose.

Vorteilhaft erweist sich eine mit wenigstens einer Klemmzange versehene Klemmvorrichtung, die durch einen um die Antriebsachse angetriebenen Träger, einen in einem radialen Abstand von der Antriebsachse an dem Träger um eine zur Antriebsachse parallele Drehachse drehbar gelagerten Haltekörper ausgebildet ist, an dem die Klemmzange befestigt ist, und ein den Haltekörper bezüglich seiner Drehachse um einen dem Drehwinkel des Trägers entgegengesetzt gerichteten Drehwinkel gleichen Betrages antreibendes und von der Drehbewegung des Trägers angetriebenes Getriebe, wodurch eine schonungsvolle Entnahme der Druckprodukte von der Auflage der Fördereinrichtung erzielbar ist.A clamping device provided with at least one clamping pliers proves to be advantageous, which is formed by a carrier driven around the drive axis, a holding body rotatably mounted at a radial distance from the driving axis on the carrier about an axis of rotation parallel to the driving axis, to which the clamping pliers is attached, and a gear mechanism driving the holding body with respect to its axis of rotation by an amount equal to the rotational angle of the carrier in the opposite direction and driven by the rotational movement of the carrier, whereby a gentle removal of the printed products from the support of the conveying device can be achieved.

Dabei erweist es sich als günstig, wenn die Klemmwirkung der Klemmzange parallel zur Drehachse ausgerichtet ist, damit die Druckprodukte sanft erfassbar sind.It proves to be advantageous if the clamping action of the clamping pliers is aligned parallel to the axis of rotation so that the printed products can be gently grasped.

Als eine zweckmässige Ausführung erweist sich ein Getriebe, bei dem der Haltekörper mit einem Zahnrad verbunden ist, das über ein der Winkelumkehr dienendes Zwischenzahnrad mit einem koaxial zur Antriebsachse fest angeordneten Zahnkranz antriebsverbunden ist, sodass ein regelmässiger Entnahmevorgang entstehen kann.A transmission has proven to be an expedient embodiment, in which the holding body is connected to a toothed wheel, which is drive-connected via an intermediate toothed wheel which serves to reverse the angle, with a toothed ring which is arranged coaxially to the drive axis is so that a regular removal process can occur.

Als Träger empfiehlt sich eine Scheibe an der die Klemmzangen befestigt werden können oder eine radiale Anordnungsweise von Trägern verteilt um die Antriebsachse.As a carrier we recommend a disc to which the clamps can be attached or a radial arrangement of carriers distributed around the drive axis.

Anstelle eines Zahnradgetriebes bewährt sich auch ein koaxial zur Antriebsachse feststehendes und ein an dem Träger drehbar gelagertes, mit dem Haltekörper verbundenes Rad eines endlos umlaufenden Antriebsriemens, vorzugsweise Zahnriemens.Instead of a gear transmission, a wheel of an endlessly rotating drive belt, preferably a toothed belt, which is fixed coaxially to the drive axis and is rotatably mounted on the carrier and is connected to the holding body, has also proven successful.

Zweckmässigerweise ist der Klemmvorrichtung an der Fördereinrichtung eine die Druckprodukte an der Übernahmestelle von der Auflage abhebende Abhebevorrichtung zugeordnet, die beispielsweise durch eine Ausnehmung ausgebildet ist, damit die Druckprodukte von der Klemmzange am Falz greifbar sind.Appropriately, the clamping device on the conveying device is assigned a lifting device which lifts the printed products at the takeover point from the support and is formed, for example, by a recess so that the printed products can be gripped by the clamping pliers on the fold.

Anschliessend an eine etwa 90°-Umlenkung der Förderrichtung durch die umlaufende Klemmvorrichtung sieht die Erfindung einen Förderer vor, der in der Flugbahn der umgelenkten Druckprodukte angeordnet ist und einen störungsfreien Weitertransport gewährleistet.Following an approximately 90 ° deflection of the conveying direction by the rotating clamping device, the invention provides a conveyor which is arranged in the trajectory of the deflected printed products and which ensures trouble-free further transport.

Die Klemmzange kann zwei bewegliche Zangenteile aufweisen, die an Wellen jeweils zweier kämmendender Zahnsegmente befestigt sind und durch eine an einem Zahnsegment angreifenden, an dem Träger steuerwirksam abgestützten Rolle gegen die Kraft einer Feder aneinander pressbar bzw. die Klemmzange schliessend betätigbar sind.
Dazu eignet sich der mit dem Zahnrad des Getriebes verbundene Haltekörper, der zur Steuerung der Klemmzangen eine mit einem Zahnsegment antriebsverbundene, in eine Steuerbahn an dem Träger eingreifende Steuerrolle aufweist.The clamping pliers can have two movable parts of the pliers, which are fastened to shafts of two intermeshing tooth segments and can be pressed against the force of a spring, or the closing pliers can be actuated, by a roller which engages on a tooth segment and is supported on the carrier for control purposes.
The holding body connected to the gearwheel of the transmission is suitable for this purpose, and the one with a for controlling the clamping pliers Tooth segment drive-connected control roller engaging in a control path on the carrier.

Zur Anpassung der Klemmzange an die aufgrund der Dickenunterschiede ändernden Lage der Flugbahn der Druckprodukte ist vorzugsweise an einem der aus einem federnden Werkstoff bestehenden Zangenteile ein die Klemmzange aus einer etwa vertikalen Bewegungsebene verdrängendes, einer verstellbaren Führung folgendes Ablenkorgan vorgesehen, bspw. eine auf einer Führung laufende Rolle.In order to adapt the clamping pliers to the position of the trajectory of the printed products which changes due to the thickness differences, a deflecting element which displaces the clamping pliers from an approximately vertical plane of movement and follows an adjustable guide is preferably provided on one of the pliers parts made of a resilient material, for example a deflecting element running on a guide Role.

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 Seitenansicht der erfindungsgemässen Vorrichtung an einer Fördereinrichtung,
Fig. 2
eine Ansicht der Vorrichtung gemäss Pfeil II in Fig. 1,
Fig. 3
eine auszugsweise vergrösserte Darstellung der Vorrichtung im Weiterförderbereich und
Fig. 4
eine Seitenansicht gemäss Pfeil IV in Fig. 3.
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
2 shows a schematic side view of the device according to the invention on a conveyor device,
Fig. 2
2 shows a view of the device according to arrow II in FIG. 1,
Fig. 3
a partially enlarged representation of the device in the further conveying area and
Fig. 4
3 shows a side view according to arrow IV in FIG. 3.

Die Fig. 1 und 2 zeigen eine Vorrichtung 1 zur Entnahme von auf einer sattelförmigen Auflage 2 einer Fördereinrichtung 3 rittlings transportierten Druckprodukten 4. Diese folgen sich in regelmässigen Abständen an Mitnehmern 5, die an einem endlos umlaufenden Zugorgan befestigt sind, in Pfeilrichtung F. Die Fördereinrichtung 3 könnte u.a. einem Sammelhefter zugeordnet und die vorgeschlagene Vorrichtung 1 zur Entnahme einer Heftstation nachgeschaltet sein.
Oberhalb der Fördereinrichtung 3 ist eine um eine Antriebsachse 6 in Pfeilrichtung R rotierende Klemmvorrichtung 7 vorgesehen, die im Näherungsbereich zur etwa tangential unterhalb der Umlaufbahn von Klemmzangen 8 der Klemmvorrichtung 7 angeordneten Fördereinrichtung 3, gleichsinnig und mit annähernd gleicher Geschwindigkeit wie die Druckprodukte 4 an der Fördereinrichtung 3 umläuft.
Vorweggenommen sei angemerkt, dass die Umlaufgeschwindigkeit der Klemmzangen 8 geringfügig höher sein kann als die Fördergeschwindigkeit der Druckprodukte 4 an der Fördereinrichtung 3, damit durch die sich zunmehmend verzögernde parallele Geschwindigkeitskomponente der Klemmzange 8 nach Durchschreiten des tiefsten Punktes an der Umlaufbahn -wo die Druckprodukte 4 von der Klemmzange 8 am Falz 9 erfasst werden- eine Stauchung der Druckprodukte durch den Mitnehmer 5 vermieden werden kann.1 and 2 show a device 1 for the removal of a conveyor device 3 on a saddle-shaped support 2 astride transported print products 4. These follow at regular intervals on drivers 5, which are attached to an endlessly rotating traction element, in the direction of arrow F. The conveying device 3 could, among other things, be assigned to a saddle stitcher and the proposed device 1 for removing a stapling station.
Above the conveying device 3 there is a clamping device 7 rotating about a drive axis 6 in the direction of the arrow R, which in the proximity of the conveying device 3 arranged approximately tangentially below the orbit of clamping tongs 8 of the clamping device 7, in the same direction and at approximately the same speed as the printed products 4 on the conveying device 3 revolves.
In advance it should be noted that the rotational speed of the clamping tongs 8 can be slightly higher than the conveying speed of the printed products 4 on the conveying device 3, so that due to the increasing decelerating parallel speed component of the clamping tongs 8 after passing through the lowest point on the orbit - where the printed products 4 from of the clamping pliers 8 on the fold 9 can be avoided - a compression of the printed products by the driver 5 can be avoided.

Die Klemmvorrichtung 7 besteht gemäss Fig. 1 aus drei Klemmzangen 8, die durch einen Haltekörper 10 mit einem dreiarmigen bzw. sternförmig ausgebildeten Träger 11, der auch als Scheibe ausgebildet sein könnte, verbunden ist. Der Haltekörper 10 ist in einem radialen Abstand von der Antriebsachse 6 des Trägers 11 um eine zur Antriebsachse 6 parallele Drehachse 12 drehbar gelagert. Die Klemmzangen 8 sind jeweils an dem Haltekörper 10 angeordnet.
Weiterhin verfügt die Klemmvorrichtung 7 über ein Getriebe 13, wodurch die Haltekörper 10 bezüglich ihrer Drehachse 12 um einen dem Drehwinkel des Trägers 11 entgegengesetzt gerichteten Drehwinkel gleichen Betrages angetrieben werden, derart, dass die Klemmzangen 8 die Ausrichtungslage eines an der Fördereinrichtung 3 erfassten Druckproduktes 4 auf dem weiteren Förderweg, nicht ändern.
Die Klemmwirkung der Klemmzangen 8 ist parallel zu deren Drehachse 12 resp. rechtwinklig zur Förderrichtung der Druckprodukte 4 ausgerichtet.
Das Getriebe 13 seinerseits, weist ein mit dem Haltekörper 10 verbundenes Zahnrad 14 auf, das mit einem zur Winkelumkehr bestimmten Zwischenzahnrad 15 kämmt, welches wiederum mit einem koaxial zur Antriebsachse 6 angeordneten Zahnkranz 16 antriebsverbunden ist.1, the clamping device 7 consists of three clamping pliers 8, which are connected by a holding body 10 to a three-armed or star-shaped carrier 11, which could also be designed as a disk. The holding body 10 is rotatably supported at a radial distance from the drive axis 6 of the carrier 11 about an axis of rotation 12 parallel to the drive axis 6. The clamping pliers 8 are each arranged on the holding body 10.
Furthermore, the clamping device 7 has a gear 13, whereby the holding body 10 with respect to its axis of rotation 12 an angle of rotation of the same amount opposite to the angle of rotation of the carrier 11 are driven such that the clamping tongs 8 do not change the orientation position of a printed product 4 detected on the conveyor 3 on the further conveyor path.
The clamping effect of the clamping pliers 8 is parallel to their axis of rotation 12, respectively. aligned at right angles to the conveying direction of the printed products 4.
The gear 13 in turn has a gearwheel 14 connected to the holding body 10, which meshes with an intermediate gearwheel 15 which is intended for reversing the angle and which is in turn drive-connected to a toothed ring 16 arranged coaxially with the drive axis 6.

Bei einem nicht veranschaulichten Getriebe 13, das als Zugmittelgetriebe ausgebildet ist, ist anstelle des Zahnkranzes 16 ein feststehendes Rad und für das mit dem Haltekörper 10 verbundenen Zahnrad 14 ein drehbar gelagertes Rad für einen endlos umlaufenden Antriebsriemen, vorzugsweise Zahnriemen vorgesehen, der durch die Drehbewegung des Trägers 11, die Klemmzange 8 jeweils in einer stabilen Lage hält.In a transmission 13, not shown, which is designed as a traction mechanism, instead of the ring gear 16, a fixed wheel and for the gear 14 connected to the holding body 10, a rotatably mounted wheel for an endlessly rotating drive belt, preferably toothed belt, which is provided by the rotary movement of the Carrier 11, the clamp 8 each holds in a stable position.

An der Uebernahmestelle der Druckprodukte 4 durch die Klemmvorrichtung 7 ist eine die Druckprodukte 4 von der Auflage 2 der Fördereinrichtung 3 abhebende Abhebevorrichtung 17 angeordnet. Diese bewegt sich unterhalb des Falzes 9 eines Druckproduktes 4 mit einer senkrechten und horizontalen Bewegungskomponente, sodass die Druckprodukte 4 einerseits von der Auflage 2 abgehoben und gleichzeitig in eine an der Fördereinrichtung 3 vorkommende, parallele Förderbewegung versetzt werden.
Um die Druckprodukte 4 störungsfrei von der Auflage 2 abheben zu können, ist das die Druckprodukte 4 abhebende Organ unter dem Falz 9 mit einer Ausnehmung 18 versehen, sodass die leistenartigen Elemente 19 der Zangenteile 20, 21 ausschliesslich auf die Druckprodukte 4 einwirken.
Die die Druckprodukte 4 an der Fördereinrichtung 3 begleitende Abhebevorrichtung 17 dient einer schonenden Uebertragung der Druckprodukte 4 von der Fördereinrichtung 3 an die rotierende Klemmvorrichtung 7.
An den durch die Klemmvorrichtung 7 zurückgelegten Förderabschnitt um etwa 90° schliesst ein Förderer 22 an. Dieser besteht aus einer drehenden, von einem oder mehreren Umlenkbändern 23 teilweise umgebenen, um eine etwa horizontale Achse rotierenden Trommel 24, die mit einem oder mehreren endlos umlaufenden Förderbändern 25 einen in der Flugbahn der durch die Klemmvorrichtung 7 transportierten Druckprodukte mündenden Förderspalt 26 bilden.At the point of acceptance of the printed products 4 by the clamping device 7, a lifting device 17 is arranged to lift the printed products 4 from the support 2 of the conveying device 3. This moves below the fold 9 of a printed product 4 with a vertical and horizontal movement component, so that the printed products 4 are lifted from the support 2 on the one hand and at the same time set in a parallel conveying movement occurring on the conveying device 3.
In order to lift the printed products 4 from the support 2 without any problems To be able to, the organ lifting the printed products 4 is provided under the fold 9 with a recess 18, so that the strip-like elements 19 of the pliers parts 20, 21 act exclusively on the printed products 4.
The lifting device 17 accompanying the printed products 4 on the conveyor 3 serves for a gentle transfer of the printed products 4 from the conveyor 3 to the rotating clamping device 7.
A conveyor 22 connects to the conveyor section covered by the clamping device 7 by approximately 90 °. This consists of a rotating drum 24, which is partially surrounded by one or more deflection belts 23 and rotates about an approximately horizontal axis, which, together with one or more endlessly rotating conveyor belts 25, form a conveying gap 26 opening into the flight path of the printed products transported by the clamping device 7.

Die Fig. 3 und 4 stellen die Ausbildung einer Klemmzange 8 der Klemmvorrichtung 7 im Uebergabebereich des Förderers 22 dar. Die senkrechte strichpunktierte Linie 27 markiert die Flugbahn der von der Klemmvorrichtung 7 transportierten Druckpodukte 4. An dem Träger 11 ist der um die Drehachse 12 drehende Haltekörper 10 mit dem Zanhrad 14 antriebsverbunden. Dabei schwenkt eine mit dem Träger 11 fest verbundene Konsole 28 unter dem Haltekörper 10 um den gleichen Winkelbetrag wie der Träger 11. Weiterhin dient der Haltekörper 10 der Lagerung zweier gegenseitig in Eingriff stehenden Zahnsegmente 29, 30 mit denen über Wellen 31, 32 die Zangenteile 20, 21 verbunden sind. Eine auf die Drehbewegung der Wellen 31, 32 resp. der mit diesen verbundenen Zahnsegmente 29, 30 zur Oeffnung der Klemmzange 8 einwirkende Zugfeder 33 ist an radial von den Wellen 31, 32 abstehenden Haltestiften 34 verankert.3 and 4 illustrate the formation of a clamp 8 of the clamping device 7 in the transfer area of the conveyor 22. The vertical dash-dotted line 27 marks the trajectory of the printed products 4 transported by the clamping device 7. The carrier 11 has the one rotating about the axis of rotation 12 Holding body 10 drive-connected to the gear wheel 14. A bracket 28, which is fixedly connected to the carrier 11, pivots under the holding body 10 by the same angular amount as the carrier 11. Furthermore, the holding body 10 serves to support two mutually engaging toothed segments 29, 30 with which the pliers parts 20 via shafts 31, 32 , 21 are connected. One on the rotational movement of the shafts 31, 32 respectively. the toothed spring 29 connected to these toothed segments 29, 30 for opening the clamping pliers 8 is anchored to retaining pins 34 projecting radially from the shafts 31, 32.

Die Schliessbewegung der Klemmzange 8 wird durch eine an dem Zahnsegment 30 angreifende, auf der Konsole 28 steuerwirksam abgestützte Rolle 35 initiiert, die einer Steuerbahn folgt. Die Zangenteile 20, 21 sind aus einem federnden Werkstoff, bspw. Federstahl ausgebildet, sodass sie einerseits in der Schliessstellung der Klemmzange 8 zur Erzielung eines höheren Einspanndruckes überdrückbar sind, und andererseits gestattet der federnde Werkstoff die Klemmzange 8 bei dickeren Druckprodukten 4 durch eine an dem Zangenteil 20 befestigte Ablenkrolle 36, die auf einer verstellbaren Führung läuft, die Flugbahn der Druckprodukte 4 leicht zu ändern, sodass sie an dem bezüglich Lage unveränderbaren Förderspalt 26 nicht anstehen.The closing movement of the clamping pliers 8 is initiated by a roller 35 which engages on the toothed segment 30 and is supported on the bracket 28 in a tax-effective manner and which follows a control path. The pliers parts 20, 21 are made of a resilient material, for example spring steel, so that on the one hand they can be pressed over in the closed position of the clamping pliers 8 to achieve a higher clamping pressure, and on the other hand the resilient material allows the clamping pliers 8 in the case of thicker printed products 4 by one Forceps part 20 attached deflection roller 36, which runs on an adjustable guide, to change the trajectory of the printed products 4 easily, so that they do not line up with the conveying gap 26, which cannot be changed in position.

Claims (11)

Vorrichtung zur Entnahme von auf einer sattelförmigen Auflage rittlings oder in einem Förderkanal einer Fördereinrichtung an umlaufenden Mitnehmern in regelmässigen Abständen transportierten Druckprodukten, dadurch gekennzeichnet, dass die Fördereinrichtung (3) etwa tangential unterhalb der Umlaufbahn einer, im Näherungsbereich der Fördereinrichtung (3) gleichsinnig und mit wenigstens annähernd der Fördergeschwindigkeit der transportierten Druckprodukte (4) umlaufenden, die Druckprodukte (4) am Falz (9) oder der offenen Seite erfassenden steuerbaren Klemmvorrichtung (7) angeordnet ist.Device for removing printed products transported astride a saddle-shaped support or in a conveying channel of a conveying device on rotating drivers at regular intervals, characterized in that the conveying device (3) approximately tangentially below the orbit in the same direction and with in the vicinity of the conveying device (3) At least approximately the conveying speed of the transported printed products (4), the controllable clamping device (7), which detects the printed products (4) on the fold (9) or the open side, is arranged. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die in einer etwa senkrechten Ebene angeordnete Umlaufbahn eine zu dieser rechtwinklige Antriebsachse (6) der Klemmvorrichtung (7) aufweist.Device according to claim 1, characterized in that the orbit arranged in an approximately vertical plane has a drive axis (6) of the clamping device which is perpendicular to this (7). Vorrichtung nach Anspruch 1 oder 2, mit einer mindestens eine Klemmzange (8) aufweisenden Klemmvorrichtung (7), gekennzeichnet durch einen um die Antriebsachse (6) drehend angetriebenen Träger (11), einen in einem radialen Abstand von der Antriebsachse (6) des Trägers (11) an dem Träger (11) um eine zur Antriebsachse (6) parallele Drehachse (12) drehbar gelagerten Haltekörper (10), an dem die Klemmzange (8) angeordnet ist, und ein den Haltekörper (10) bezüglich der Drehachse (12) um einen dem Drehwinkel des Trägers (11) entgegengesetzt gerichteten Drehwinkel gleichen Betrages antreibendes und von der Drehbewegung des Trägers (11) angetriebenes Getriebe (13).Device according to claim 1 or 2, with a clamping device (7) having at least one clamping pliers (8), characterized by a carrier (11) driven in rotation about the drive axis (6), one at a radial distance from the drive axis (6) of the carrier (11) on the carrier (11) about a rotation axis (12) parallel to the drive axis (12) rotatably mounted holding body (10), on which the clamping pliers (8) is arranged, and a holding body (10) with respect to the rotation axis (12 ) by a rotation angle of the same amount opposite to the rotation angle of the support (11) driving and driven by the rotary movement of the support (11) gear (13). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Klemmwirkung einer Klemmzange (8) parallel zur Drehachse (12) ausgerichtet ist.Apparatus according to claim 3, characterized in that the clamping action of a clamp (8) is aligned parallel to the axis of rotation (12). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Getriebe (13) ein mit dem Haltekörper (10) verbundenes Zahnrad (14) aufweist, das über ein der Winkelumkehr dienendes Zwischenzahnrad (15) mit einem koaxial zur Antriebsachse (6) fest angeordneten Zahnkranz (16) antriebsverbunden ist.Device according to claim 3, characterized in that the gear (13) has a gearwheel (14) connected to the holding body (10), which is drive-connected via an intermediate gearwheel (15) which serves to reverse the angle, with a gear rim (16) fixedly arranged coaxially to the drive axis (6). Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Träger (11) als Scheibe oder durch eine radiale bzw. sternförmige Ausgestaltungsweise ausgebildet ist.Apparatus according to claim 5, characterized in that the carrier (11) is designed as a disc or by a radial or star-shaped design. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Getriebe (13) einen um ein koaxial zur Antriebsachse (6) feststehendes und ein an dem Träger (11) drehbar gelagertes, mit dem Haltekörper (10) verbundenes Rad eines endlos umlaufenden Antriebsriemens aufweist.Apparatus according to claim 3, characterized in that the gear (13) has a wheel of an endlessly rotating drive belt which is fixed about a coaxial to the drive axis (6) and rotatably mounted on the carrier (11) and is connected to the holding body (10). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Klemmvorrichtung (7) eine die Druckprodukte (4) an der Uebernahmestelle von der Auflage (2) der Fördereinrichtung (3) abhebende Abhebevorrichtung dereinrichtung (3) abhebende Abhebevorrichtung (17) zugeordnet ist.Device according to one of Claims 1 to 7, characterized in that the clamping device (7) has a lifting device which lifts the printed products (4) at the point of acceptance from the support (2) of the conveying device (3) the lifting device (17) is assigned to the device (3). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass an das von der Fördereinrichtung (3) seitlich versetzte Förderende der Klemmvorrichtung (7) ein mit dieser kommunizierender Förderer (22) anschliesst.Device according to one of claims 1 to 7, characterized in that a conveyor (22) communicating with the conveyor device (3) laterally offset from the conveyor end of the clamping device (7) is connected. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Zangenteile (20, 21) der Klemmzange (8) jeweils an einer Welle (31, 32) zweier kämmender, mit dem Haltekörper (10) verbundener Zahnsegmente (29, 30) befestigt und mittels einer an einem Zahnsegment (29, 30) angreifenden, an dem Träger (11) steuerwirksam abgestützten Rolle (35) gegen die Kraft einer Feder (33) aneinander pressbar sind.Device according to one of claims 1 to 9, characterized in that the pliers parts (20, 21) of the clamping pliers (8) each on a shaft (31, 32) of two intermeshing toothed segments (29, 30) connected to the holding body (10) fastened and can be pressed against one another against the force of a spring (33) by means of a roller (35) which engages on a toothed segment (29, 30) and is supported on the support (11) in a tax-effective manner. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass eines der aus einem federnden Werkstoff gebildeten Zangenteile (20, 21) mit einem die Klemmzange (8) aus einer etwa vertikalen Bewegungsebene verdrängenden, einer verstellbaren Führung folgenden Ablenkrolle (36) ausgebildet ist.Apparatus according to claim 10, characterized in that one of the pliers parts (20, 21) formed from a resilient material a deflecting roller (36) which displaces the clamping pliers (8) from an approximately vertical plane of movement and follows an adjustable guide.
EP96810717A 1995-11-03 1996-10-28 Device for removing printed products from a saddle conveyor Withdrawn EP0771675A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH312195 1995-11-03
CH3121/95 1995-11-03

Publications (1)

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EP0771675A1 true EP0771675A1 (en) 1997-05-07

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JP (1) JPH09188437A (en)

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EP1148007A1 (en) * 2000-04-19 2001-10-24 Grapha-Holding AG Device to take out printed products from a conveying device by which they are transported in a regularly spaced manner
EP1232978A1 (en) * 2001-01-30 2002-08-21 Grapha-Holding AG Transport device for gathering and transporting printed sheets laid astride on a first transport chain
US6540066B1 (en) 1999-07-26 2003-04-01 Grapha-Holding Ag Conveyor for gathering and processing printed sheets
US6736061B2 (en) 2002-05-24 2004-05-18 Heidelberger Druckmaschinen Ag Rotary signature transfer device
US6789793B2 (en) 2002-05-24 2004-09-14 Heidelberger Druckmaschinen Ag Rotary signature transport device
WO2005077793A1 (en) * 2004-02-04 2005-08-25 Goss International Americas, Inc. Signature transport device
US7192027B2 (en) 2004-04-07 2007-03-20 Goss International Americas, Inc. Signature transport device
EP2133295A1 (en) * 2008-06-12 2009-12-16 Müller Martini Holding AG Device and method for removing flat print products from a pile and transferring the print products to a running transport device
EP2288558A1 (en) * 2008-05-22 2011-03-02 Goss International Americas, Inc. Gripper conveyor delivery
US20160304225A1 (en) * 2013-12-13 2016-10-20 Marchesini Group S.P.A. A transfer device of information leaflets
CN112320320A (en) * 2020-10-14 2021-02-05 苏州希瑞格机器人科技有限公司 High-speed rotatory silica gel round brush

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JP5130115B2 (en) * 2008-05-28 2013-01-30 理想科学工業株式会社 Image forming apparatus

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US6540066B1 (en) 1999-07-26 2003-04-01 Grapha-Holding Ag Conveyor for gathering and processing printed sheets
EP1148007A1 (en) * 2000-04-19 2001-10-24 Grapha-Holding AG Device to take out printed products from a conveying device by which they are transported in a regularly spaced manner
US6616139B2 (en) 2000-04-19 2003-09-09 Grapha-Holding Ag Device for removing printed products transported uniformly spaced on a transport device
EP1232978A1 (en) * 2001-01-30 2002-08-21 Grapha-Holding AG Transport device for gathering and transporting printed sheets laid astride on a first transport chain
US6612559B2 (en) 2001-01-30 2003-09-02 Grapha-Holding Ag Conveying device for collecting and transporting printed sheets placed astraddle on a first chain conveyer
US6736061B2 (en) 2002-05-24 2004-05-18 Heidelberger Druckmaschinen Ag Rotary signature transfer device
US6789793B2 (en) 2002-05-24 2004-09-14 Heidelberger Druckmaschinen Ag Rotary signature transport device
US6926270B2 (en) 2002-05-24 2005-08-09 Goss International Americas, Inc. Rotary blade device for printed products
WO2005077793A1 (en) * 2004-02-04 2005-08-25 Goss International Americas, Inc. Signature transport device
US7748517B2 (en) 2004-02-04 2010-07-06 Goss International Americas, Inc. Signature transport device
US8061702B2 (en) 2004-02-04 2011-11-22 Goss International Americas, Inc. Signature transport device
US7192027B2 (en) 2004-04-07 2007-03-20 Goss International Americas, Inc. Signature transport device
EP2288558A1 (en) * 2008-05-22 2011-03-02 Goss International Americas, Inc. Gripper conveyor delivery
EP2288558A4 (en) * 2008-05-22 2012-11-07 Goss Int Americas Inc Gripper conveyor delivery
EP2133295A1 (en) * 2008-06-12 2009-12-16 Müller Martini Holding AG Device and method for removing flat print products from a pile and transferring the print products to a running transport device
US20160304225A1 (en) * 2013-12-13 2016-10-20 Marchesini Group S.P.A. A transfer device of information leaflets
US10351276B2 (en) * 2013-12-13 2019-07-16 Marchesini Group S.P.A. Transfer device of information leaflets
CN112320320A (en) * 2020-10-14 2021-02-05 苏州希瑞格机器人科技有限公司 High-speed rotatory silica gel round brush

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