EP0709329A2 - Sheet delivery device with chains of a rotary printing machine - Google Patents

Sheet delivery device with chains of a rotary printing machine Download PDF

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Publication number
EP0709329A2
EP0709329A2 EP95116535A EP95116535A EP0709329A2 EP 0709329 A2 EP0709329 A2 EP 0709329A2 EP 95116535 A EP95116535 A EP 95116535A EP 95116535 A EP95116535 A EP 95116535A EP 0709329 A2 EP0709329 A2 EP 0709329A2
Authority
EP
European Patent Office
Prior art keywords
chain
sheet
distance
transfer drum
sheets
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
EP95116535A
Other languages
German (de)
French (fr)
Other versions
EP0709329B1 (en
EP0709329A3 (en
Inventor
Johannes Georg Schaede
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.)
Koenig and Bauer AG
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Koenig and Bauer Albert AG
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Publication date
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Publication of EP0709329A3 publication Critical patent/EP0709329A3/en
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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
    • B65H29/04—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 endless chains or bands
    • B65H29/041—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 endless chains or bands and introducing into a pile
    • 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
    • B65H29/58—Article switches or diverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/24—Pile receivers multiple or compartmented, e.d. for alternate, programmed, or selective filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a method and a device for carrying out the method for transporting sheets in a chain sheet delivery device of a rotary printing press with at least two selectively approachable sheet stacks arranged in the sheet running direction according to the preamble of claim 1.
  • DE-PS 11 76 672 shows a chain bow delivery in the sheet with the last printed side down in the chain bow delivery and after a deflection of approximately 180 ° are placed with the printed side up on a sheet stack.
  • the invention has for its object to provide a method and an apparatus for carrying out the method for transporting sheets in a chain bow delivery of a rotary printing press, wherein the sheets are transported with a printed side up, in which the sheet is deposited with the printed side up on a second sheet stack by means of a pair of delivery chains common to both sheet stacks, no switchable guide devices for transporting the sheets over the first sheet stack being necessary.
  • the chain bow delivery according to the invention means that the sheets do not have to be guided over the first stack when they are delivered on the second stack seen in the direction of sheet travel. Damage to the sheets is therefore excluded and no aids for sheet guiding are necessary.
  • the use of common cantilever chains for several sheet stacks eliminates the chain wheels and their drives necessary for single chains. This enables inexpensive production of the chain arch arm.
  • the device according to the invention is shown in the drawing and is described in more detail below.
  • a chain sheet delivery 1 of a rotary printing press in particular a sheet rotogravure printing press, is constructed symmetrically with respect to a central axis of this rotary printing press. Therefore, only one page is described below.
  • an endless boom chain 2 runs with it at a distance a3, z. B. 940 mm, attached chain gripper systems 3.
  • the chain gripper systems 3 extending in the axial direction essentially consist of a cross member 4, which with a number of grippers 6, z. B. clamp grippers are provided. These grippers 6 clamp a sheet leading edge 7 of a sheet 8 between their gripper pads 9 and gripper tips 11 and can thus transport the sheet 8.
  • a sheet 8 has been fed to a sheet guide cylinder via known feed devices.
  • this sheet guide cylinder for. B. a pressure cylinder 13, and a sprocket 14 are arranged.
  • This chain wheel 14 guides the boom chain 2 in the area of the sheet transfer point 12 and then a second chain wheel 16 deflects the boom chain 2 into an upper chain center 17.
  • the boom chain 2 runs with its upper chain strand 17 to the right in the direction right part 19 of the chain bow boom 1.
  • There is a deflection sprocket 21 by means of which the boom chain 2 is deflected by approximately 180 ° into a lower chain center 22.
  • There the chain gripper systems 3 are moved from right to left.
  • a first and a second stack of sheets 23, 24 are arranged after the deflection sprocket 21 along the lower chain run 22.
  • the chain sheet delivery 1 each has a transfer drum 26, ie in the present example a transfer drum 26 between the first and second sheet stacks 23, 24.
  • This transfer drum 26 interacts with the upper and lower chain runs 17, 22 and is provided with one or more gripper systems 27 which are distributed uniformly over the circumference.
  • This transfer drum 26 is provided with a number of axially extending, U-shaped recesses 28 corresponding to the number of gripper systems 27 for receiving the chain gripper systems 3.
  • the chain gripper systems 3 can dip into these recesses 28 so that when the sheet is transferred, the gripper supports 9 of the grippers 6 of the chain gripper systems 3 are at the level of the gripper systems 27 of the transfer drum 26.
  • the upper and lower chain runs 17, 22 of the cantilever chain 2 touch the transfer drum 26 and thus form an upper and a lower transfer point 29, 31.
  • a partial length lT2 of the cantilever chain 2 to the right of the transfer points 29, 31, ie in the direction of the deflection sprocket 21, is one
  • the transfer drum 26 is provided with two opposite gripper systems 27 and accordingly with two cutouts 28 for the chain gripper systems 3.
  • the circumference u26 thus corresponds to twice the distance a3.
  • a circumference u21 of the deflection sprocket 21 is twice the distance a3 of the chain gripper systems 3.
  • the partial length lT2 of the cantilever chains 2 is 5 times the distance a3 of the chain gripper systems 3.
  • the gripper systems 27 of the transfer drum 26 are designed here as suction segments 27, but also known clamp grippers can also be used. It is also possible to use punctures.
  • switchable suction segments 33 can be provided along an entire circumferential surface 32 of the transfer drum 26.
  • the transfer drum 26 is designed as a suction drum.
  • the gripper systems 27 located on the transfer drum 26 can be movable outward from the outer surface 32 and thus lift the leading edge 7 of the sheet from the outer surface 32. This movement of the gripper systems 27 out of the lateral surface 32 can be controlled, for example, via curves, not shown.
  • the chain bend 1 works as follows: At the sheet transfer point 12 from the printing cylinder 13 and chain gripper system 3, the sheet 8 is transferred from the printing cylinder 13 to the chain gripper system 3 such that a last printed side 34 of the sheet 8 lies in the direction of the opposite chain center 17. The sheet 8 thus detected at its leading edge 7 is transported by means of the chain gripper system 3 via the second sprocket 16 along the upper chain strand 17 to the transfer drum 26. If the sheet is to be placed on the first, right sheet stack 23, the grippers 6 of the chain gripper system 3 remain closed and the gripper systems 27 of the transfer drum 26 open or without suction air.
  • the sheet 8 in chain gripper system 3 is transported to the deflection sprocket 21 and pivoted there by 180 °, so that the last printed page 34 is on top.
  • the grippers 6 of the chain gripper system 3 are opened and the sheet 8 is deposited on the first sheet stack 23 via known sheet storage systems, not shown.
  • a chain gripper system 3 For storage on the second sheet stack 24, a chain gripper system 3 transports the sheet 8 in the upper chain center 17 to the upper transfer point 29 of the transfer drum 2. There, the leading edge 7 of the sheet is gripped by a gripping member 27 of the transfer drum 26, ie the suction segment 27 is acted upon by suction air. Shortly thereafter, the grippers 6 of the chain gripper system 3 open. The sheet is now pivoted by the transfer drum 26 through 180 ° from the dispensing, upper chain strand 17 to the receiving, lower chain strand 22. Approx. 30 ° before the lower transfer point 31, the gripping member 27 of the transfer drum 26 pivots with the leading edge 7 out of the lateral surface 32 and the grippers 6 of the chain gripper system 3 arriving in the lower chain center 22 open (FIG.
  • the gripping member 27 of the transfer drum 26 is now pivoted back into the lateral surface 32, as a result of which the leading edge 7 of the sheet is brought between the gripper support 9 and the gripper tip 11 of the gripper 6 of the chain gripper system 3.
  • the grippers 6 of the chain gripper system 3 close and have securely gripped the sheet 8 at the lower transfer point 31.
  • the chain gripper system 3 transports the sheet 8 towards the second Sheet stack 24.
  • sheet deposit systems are arranged corresponding to the first sheet stack 23. The grippers 6 of the chain gripper system 3 open and the sheet depositing systems place the sheet 8 on the second sheet stack 24.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Abstract

The sheets are delivered by grips (03) at regular intervals along the top run (17) of a pair of endless chains (02) and with their most recently printed sides (34) downwards. After deflection so as to bring these sides uppermost, they are deposited on a first stack (23). Seen in their travel direction, the sheets can be deposited on one or more further stacks (24) as desired, using a single pair of chains common to all stacks. To deposit them on the second stack, the sheets are transferred from the grips of the top chain run to a further grip (27) after the first stack. This deflects them so as to bring the printed side uppermost to be deposited on the second stack.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Durchführung des Verfahrens zum Transport von Bogen in einem Kettenbogenausleger einer Rotationsdruckmaschine mit mindestens zwei in Bogenlaufrichtung angeordneten wahlweise anfahrbaren Bogenstapeln gemäß dem Oberbegriff des Anspruches 1.The invention relates to a method and a device for carrying out the method for transporting sheets in a chain sheet delivery device of a rotary printing press with at least two selectively approachable sheet stacks arranged in the sheet running direction according to the preamble of claim 1.

Die DE-PS 11 76 672 zeigt einen Kettenbogenausleger in dem Bogen mit der zuletzt bedruckten Seite nach unten im Kettenbogenausleger transportiert werden und nach einer Umlenkung von ca. 180° mit der bedruckten Seite nach oben auf einem Bogenstapel abgelegt werden.DE-PS 11 76 672 shows a chain bow delivery in the sheet with the last printed side down in the chain bow delivery and after a deflection of approximately 180 ° are placed with the printed side up on a sheet stack.

Der Erfindung liegt die Aufgabe zugrunde ein Verfahren und eine Vorrichtung zur Durchführung des Verfahrens zum Transport von Bogen in einem Kettenbogenausleger einer Rotationsdruckmaschine zu schaffen, wobei die Bogen mit einer bedruckten Seite nach oben transportiert werden, bei dem bzw. der eine Ablage der Bogen mit der bedruckten Seite nach oben auf einem zweiten Bogenstapel mittels einem für beide Bogenstapel gemeinsamen Paar von Auslegerketten erfolgt, wobei keine zuschaltbaren Leiteinrichtungen zum Transport der Bogen über den ersten Bogenstapel notwendig sind.The invention has for its object to provide a method and an apparatus for carrying out the method for transporting sheets in a chain bow delivery of a rotary printing press, wherein the sheets are transported with a printed side up, in which the sheet is deposited with the printed side up on a second sheet stack by means of a pair of delivery chains common to both sheet stacks, no switchable guide devices for transporting the sheets over the first sheet stack being necessary.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teils der Ansprüche 1 und 3 gelöst.This object is achieved by the features of the characterizing part of claims 1 and 3.

Vorteilhaft ist, daß durch den erfindungsgemäßen Kettenbogenausleger die Bogen bei Auslage auf dem in Bogenlaufrichtung gesehenen zweiten Stapel nicht über den ersten Stapel geführt werden müssen. Somit ist eine Beschädigung der Bogen ausgeschlossen und es sind keine Hilfsmittel zur Bogenführung nötig.
Durch die Verwendung gemeinsamer Auslegerketten für mehrere Bogenstapel entfallen die für Einzelketten notwendigen Kettenräder und deren Antriebe. Dadurch ist eine preiswerte Herstellung des Kettenbogenauslegers möglich.It is advantageous that the chain bow delivery according to the invention means that the sheets do not have to be guided over the first stack when they are delivered on the second stack seen in the direction of sheet travel. Damage to the sheets is therefore excluded and no aids for sheet guiding are necessary.
The use of common cantilever chains for several sheet stacks eliminates the chain wheels and their drives necessary for single chains. This enables inexpensive production of the chain arch arm.

Die erfindungsgemäße Vorrichtung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.The device according to the invention is shown in the drawing and is described in more detail below.

Es zeigen

Fig. 1
eine schematische Seitenansicht eines erfindungsgemäßen Kettenbogenauslegers,
Fig. 2
einen vergrößerten Ausschnitt einer Übergabestelle in verschiedenen Phasen des erfindungsgemäßen Kettenbogenauslegers.
Show it
Fig. 1
2 shows a schematic side view of a chain arch arm according to the invention,
Fig. 2
an enlarged section of a transfer point in different phases of the chain arch boom according to the invention.

Ein Kettenbogenausleger 1 einer Rotationsdruckmaschine, insbesondere einer Bogenrotationstiefdruckmaschine, ist bezüglich einer Mittelachse dieser Rotationsdruckmaschine symmetrisch aufgebaut. Im folgenden wird daher nur eine Seite beschrieben.A chain sheet delivery 1 of a rotary printing press, in particular a sheet rotogravure printing press, is constructed symmetrically with respect to a central axis of this rotary printing press. Therefore, only one page is described below.

In diesem Kettenbogenausleger 1 verläuft eine endlose Auslegerkette 2 mit daran in einem Abstand a3, z. B. 940 mm, befestigten Kettengreifersystemen 3. Die Gesamtlänge l2 der Auslegerkette 2 beträgt ein ganzzahliges Vielfaches N des Abstandes a3 der Kettengreifersysteme 3, d. h. l2 = N x a3

Figure imgb0001
. Die sich in axialer Richtung erstreckenden Kettengreifersysteme 3 bestehen im wesentlichen aus einer Traverse 4, die mit einer Anzahl von Greifern 6, z. B. Klemmgreifern, versehen sind. Diese Greifer 6 klemmen eine Bogenvorderkante 7 eines Bogens 8 zwischen ihren Greiferauflagen 9 und Greiferspitzen 11 ein und können so den Bogen 8 transportieren.In this chain arch boom 1 an endless boom chain 2 runs with it at a distance a3, z. B. 940 mm, attached chain gripper systems 3. The total length l2 of the cantilever chain 2 is an integer multiple N of the distance a3 of the chain gripper systems 3, ie l2 = N x a3
Figure imgb0001
 . The chain gripper systems 3 extending in the axial direction essentially consist of a cross member 4, which with a number of grippers 6, z. B. clamp grippers are provided. These grippers 6 clamp a sheet leading edge 7 of a sheet 8 between their gripper pads 9 and gripper tips 11 and can thus transport the sheet 8.

Einem Bogenführungszylinder ist über bekannte Zuführeinrichtungen ein Bogen 8 zugeführt worden. An einer Bogenübergabestelle 12 ist dieser Bogenführungszylinder, z. B. ein Druckzylinder 13, und ein Kettenrad 14 angeordnet. Dieses Kettenrad 14 führt die Auslegerkette 2 im Bereich der Bogenübergabestelle 12 und anschließend lenkt ein zweites Kettenrad 16 die Auslegerkette 2 in ein oberes Kettentrum 17 um. Von diesem im linken Teil 18 des Kettenauslegers 1 befindlichen Kettenrad 16 läuft die Auslegerkette 2 mit ihrem oberen Kettentrum 17 nach rechts in Richtung rechten Teil 19 des Kettenbogenauslegers 1. Dort befindet sich ein Umlenkkettenrad 21 mittels dessen die Auslegerkette 2 um ca. 180° in ein unteres Kettentrum 22 umgelenkt wird. Dort werden die Kettengreifersysteme 3 von rechts nach links bewegt. In dieser Laufrichtung der Auslegerkette 2 sind nach dem Umlenkkettenrad 21 entlang des unteren Kettentrumes 22 mehrere, im beschriebenen Beispiel ein erster und zweiter Bogenstapel 23, 24 angeordnet.A sheet 8 has been fed to a sheet guide cylinder via known feed devices. At a sheet transfer point 12, this sheet guide cylinder, for. B. a pressure cylinder 13, and a sprocket 14 are arranged. This chain wheel 14 guides the boom chain 2 in the area of the sheet transfer point 12 and then a second chain wheel 16 deflects the boom chain 2 into an upper chain center 17. From this sprocket 16 located in the left part 18 of the chain boom 1, the boom chain 2 runs with its upper chain strand 17 to the right in the direction right part 19 of the chain bow boom 1. There is a deflection sprocket 21 by means of which the boom chain 2 is deflected by approximately 180 ° into a lower chain center 22. There the chain gripper systems 3 are moved from right to left. In this running direction of the delivery chain 2, several, in the example described, a first and a second stack of sheets 23, 24 are arranged after the deflection sprocket 21 along the lower chain run 22.

Zwischen zwei Bogenstapeln weist der Kettenbogenausleger 1 jeweils eine Übergabetrommel 26, d. h. im vorliegenden Beispiel eine Übergabetrommel 26 zwischen ersten und zweiten Bogenstapel 23, 24, auf. Diese Übergabetrommel 26 wirkt mit dem oberen und unteren Kettentrum 17, 22 zusammen und ist mit ein oder mehreren gleichmäßig am Umfang verteilen Greifersystemen 27 versehen. Ein sich aus einem Durchmesser d26 ergebender Umfang u26 der Übergabetrommel entspricht einem ganzzahligen Vielfachen N des Abstandes a3 der Kettengreifersysteme 3, d. h. u26 = N x a3

Figure imgb0002
. Diese Übergabetrommel 26 ist mit einer der Anzahl der Greifersystemen 27 entsprechenden Anzahl von sich axial erstreckenden, U-förmigen Aussparungen 28 zur Aufnahme der Kettengreifersystemen 3 versehen. In diese Aussparungen 28 können die Kettengreifersysteme 3 eintauchen, damit sich bei Bogenübergabe die Greiferauflagen 9 der Greifer 6 der Kettengreifersysteme 3 auf dem Niveau der Greifersysteme 27 der Übergabetrommel 26 befinden.Between two stacks of sheets, the chain sheet delivery 1 each has a transfer drum 26, ie in the present example a transfer drum 26 between the first and second sheet stacks 23, 24. This transfer drum 26 interacts with the upper and lower chain runs 17, 22 and is provided with one or more gripper systems 27 which are distributed uniformly over the circumference. A circumference u26 of the transfer drum resulting from a diameter d26 corresponds to an integer multiple N of the distance a3 of the chain gripper systems 3, ie u26 = N x a3
Figure imgb0002
 . This transfer drum 26 is provided with a number of axially extending, U-shaped recesses 28 corresponding to the number of gripper systems 27 for receiving the chain gripper systems 3. The chain gripper systems 3 can dip into these recesses 28 so that when the sheet is transferred, the gripper supports 9 of the grippers 6 of the chain gripper systems 3 are at the level of the gripper systems 27 of the transfer drum 26.

Das obere und untere Kettentrum 17, 22 der Auslegerkette 2 tangiert die Übergabetrommel 26 und bildet somit eine obere und eine untere Übergabestelle 29, 31. Eine Teillänge lT2 der Auslegerkette 2 rechts der Übergabestellen 29, 31, d. h. in Richtung des Umlenkkettenrades 21 beträgt bei einem Umfang u26 der Übergabetrommel 26, der einem geradzahligem Vielfachen des Abstandes a3 der Kettengreifersysteme 3 entspricht, ein ganzzahliges Vielfaches N des Abstandes a3, d. h. lT2 = N x a3

Figure imgb0003
.
Bei einem ungeradzahligen Vielfachen des Umfanges u26 der Übergabetrommel 26 beträgt die Teillänge lT2 ein ganzzahliges Vielfaches N des Abstandes a3 plus einen halben Abstand a3, d. h. lT2 = N x a3 + 0,5 x a3
Figure imgb0004
.The upper and lower chain runs 17, 22 of the cantilever chain 2 touch the transfer drum 26 and thus form an upper and a lower transfer point 29, 31. A partial length lT2 of the cantilever chain 2 to the right of the transfer points 29, 31, ie in the direction of the deflection sprocket 21, is one The circumference u26 of the transfer drum 26, which corresponds to an even multiple of the distance a3 of the chain gripper systems 3, an integer multiple N of the distance a3, ie lT2 = N x a3
Figure imgb0003
 .
In the case of an odd multiple of the circumference u26 of the transfer drum 26, the partial length lT2 is an integer multiple N of the distance a3 plus half a distance a3, ie lT2 = N x a3 + 0.5 x a3
Figure imgb0004
 .

Im vorliegenden Ausführungsbeispiel ist die Übergabetrommel 26 mit zwei gegenüberliegenden Greifersystemen 27 und entsprechend mit zwei Aussparungen 28 für die Kettengreifersysteme 3 versehen.
Der Umfang u26 entspricht somit dem doppelten Abstand a3. Ein Umfang u21 des Umlenkkettenrades 21 beträgt den doppelten Abstand a3 der Kettengreifersysteme 3. Die Teillänge lT2 der Auslegerketten 2 weist den 5-fachen Abstand a3 der Kettengreifersysteme 3 auf.
Die Greifersysteme 27 der Übergabetrommel 26 sind hier als Saugsegmente 27 ausgeführt, wobei aber ebenso auch bekannte Klemmgreifer verwendet werden können. Auch ist es möglich Punkturen einzusetzen.In the present exemplary embodiment, the transfer drum 26 is provided with two opposite gripper systems 27 and accordingly with two cutouts 28 for the chain gripper systems 3.
The circumference u26 thus corresponds to twice the distance a3. A circumference u21 of the deflection sprocket 21 is twice the distance a3 of the chain gripper systems 3. The partial length lT2 of the cantilever chains 2 is 5 times the distance a3 of the chain gripper systems 3.
The gripper systems 27 of the transfer drum 26 are designed here as suction segments 27, but also known clamp grippers can also be used. It is also possible to use punctures.

Zusätzlich zu dem an der Bogenvorderkante 7 angeordneten Saugsegment 27, können entlang einer gesamten Mantelfläche 32 der Übergabetrommel 26 schaltbare Saugsegmente 33 vorgesehen sein, d. h. die Übergabetrommel 26 ist als Saugtrommel ausgebildet. Die auf der Übergabetrommel 26 befindlichen Greifersysteme 27 können aus der Mantelfläche 32 heraus nach außen bewegbar sein und somit die Bogenvorderkante 7 von der Mantelfläche 32 abheben. Diese Bewegung der Greifersysteme 27 aus der Mantelfläche 32 heraus ist beispielsweise über nichtdargestellte Kurven steuerbar.In addition to the suction segment 27 arranged on the leading edge 7 of the sheet, switchable suction segments 33 can be provided along an entire circumferential surface 32 of the transfer drum 26. H. the transfer drum 26 is designed as a suction drum. The gripper systems 27 located on the transfer drum 26 can be movable outward from the outer surface 32 and thus lift the leading edge 7 of the sheet from the outer surface 32. This movement of the gripper systems 27 out of the lateral surface 32 can be controlled, for example, via curves, not shown.

Die Funktionsweise des Kettenbogenauslegers 1 ist folgendermaßen:
An der Bogenübergabestelle 12 von Druckzylinder 13 und Kettengreifersystem 3 wird der Bogen 8 derart von Druckzylinder 13 an Kettengreifersystem 3 übergeben, daß eine zuletzt bedruckte Seite 34 des Bogens 8 in Richtung gegenüberliegenden Kettentrum 17 liegt. Der so an seiner Bogenvorderkante 7 erfaßte Bogen 8 wird mittels des Kettengreifersystemes 3 über das zweiten Kettenrad 16 entlang des oberen Kettentrumes 17 bis zur Übergabetrommel 26 transportiert. Soll der Bogen auf dem ersten, rechten Bogenstapel 23 abgelegt werden, bleiben die Greifer 6 des Kettengreifersystemes 3 geschlossen und die Greifersysteme 27 der Übergabetrommel 26 geöffnet bzw. ohne Saugluft. Somit wird der Bogen 8 im Kettengreifersystem 3 zu dem Umlenkkettenrad 21 weitertransportiert und dort um 180° geschwenkt, so daß die zuletzt bedruckte Seite 34 oben liegt. Über bekannte, nicht dargestellte Bogenablagesysteme werden die Greifer 6 des Kettengreifersystemes 3 geöffnet und der Bogen 8 auf dem ersten Bogenstapel 23 abgelegt.The chain bend 1 works as follows:
At the sheet transfer point 12 from the printing cylinder 13 and chain gripper system 3, the sheet 8 is transferred from the printing cylinder 13 to the chain gripper system 3 such that a last printed side 34 of the sheet 8 lies in the direction of the opposite chain center 17. The sheet 8 thus detected at its leading edge 7 is transported by means of the chain gripper system 3 via the second sprocket 16 along the upper chain strand 17 to the transfer drum 26. If the sheet is to be placed on the first, right sheet stack 23, the grippers 6 of the chain gripper system 3 remain closed and the gripper systems 27 of the transfer drum 26 open or without suction air. Thus, the sheet 8 in chain gripper system 3 is transported to the deflection sprocket 21 and pivoted there by 180 °, so that the last printed page 34 is on top. The grippers 6 of the chain gripper system 3 are opened and the sheet 8 is deposited on the first sheet stack 23 via known sheet storage systems, not shown.

Zur Ablage auf dem zweiten Bogenstapel 24 transportiert ein Kettengreifersystem 3 den Bogen 8 im oberen Kettentrum 17 bis zur oberen Übergabestelle 29 der Übergabetrommel 2. Dort wird die Bogenvorderkante 7 von einem Greiforgan 27 der Übergabetrommel 26 ergriffen, d. h. das Saugsegment 27 wird mit Saugluft beaufschlagt.
Kurz danach öffnen die Greifer 6 des Kettengreifersystemes 3. Der Bogen wird nun von der Übergabetrommel 26 um 180° vom abgebenden, oberen Kettentrum 17 zum Übernehmenden, unteren Kettentrum 22 geschwenkt. Ca. 30° vor der unteren Übergabestelle 31 schwenkt das Greiforgan 27 der Übergabetrommel 26 mit der Bogenvorderkante 7 aus der Mantelfläche 32 heraus und die Greifer 6 des im unteren Kettentrum 22 ankommenden Kettengreifersystemes 3 öffnen (Fig. 2).
Während der weiteren Drehbewegung wird nun das Greiforgan 27 der Übergabetrommel 26 wieder in die Mantelfläche 32 eingeschwenkt, wodurch die Bogenvorderkante 7 zwischen jeweils Greiferauflage 9 und Greiferspitze 11 der Greifer 6 des Kettengreifersystemes 3 gebracht wird. Die Greifer 6 des Kettengreifersystemes 3 schließen und haben den Bogen 8 an der unteren Übergabestelle 31 sicher erfaßt. Das Kettengreifersystem 3 transportiert den Bogen 8 in Richtung zweiten Bogenstapel 24.
Auch an dem zweiten Bogenstapel 24 sind entsprechend dem ersten Bogenstapel 23 Bogenablagesysteme angeordnet. Die Greifer 6 des Kettengreifersystemes 3 öffnen und die Bogenablagesysteme legen den Bogen 8 auf dem zweiten Bogenstapel 24 ab.For storage on the second sheet stack 24, a chain gripper system 3 transports the sheet 8 in the upper chain center 17 to the upper transfer point 29 of the transfer drum 2. There, the leading edge 7 of the sheet is gripped by a gripping member 27 of the transfer drum 26, ie the suction segment 27 is acted upon by suction air.
Shortly thereafter, the grippers 6 of the chain gripper system 3 open. The sheet is now pivoted by the transfer drum 26 through 180 ° from the dispensing, upper chain strand 17 to the receiving, lower chain strand 22. Approx. 30 ° before the lower transfer point 31, the gripping member 27 of the transfer drum 26 pivots with the leading edge 7 out of the lateral surface 32 and the grippers 6 of the chain gripper system 3 arriving in the lower chain center 22 open (FIG. 2).
During the further rotational movement, the gripping member 27 of the transfer drum 26 is now pivoted back into the lateral surface 32, as a result of which the leading edge 7 of the sheet is brought between the gripper support 9 and the gripper tip 11 of the gripper 6 of the chain gripper system 3. The grippers 6 of the chain gripper system 3 close and have securely gripped the sheet 8 at the lower transfer point 31. The chain gripper system 3 transports the sheet 8 towards the second Sheet stack 24.
Also on the second sheet stack 24, sheet deposit systems are arranged corresponding to the first sheet stack 23. The grippers 6 of the chain gripper system 3 open and the sheet depositing systems place the sheet 8 on the second sheet stack 24.

TeilelisteParts list

11
KettenbogenauslegerChain arch arm
22nd
AuslegerketteCantilever chain
33rd
KettengreifersystemChain gripper system
44th
Traverse (3)Traverse (3)
55
--
66
Greifer (3)Grapple (3)
77
Bogenvorderkante (8)Leading edge (8)
88th
Bogenbow
99
Greiferauflage (6)Gripper pad (6)
1010th
--
1111
GreiferspitzeGripper tip
1212th
BogenübergabestelleSheet transfer point
1313
DruckzylinderImpression cylinder
1414
KettenradSprocket
1515
--
1616
KettenradSprocket
1717th
Kettentrum, oberes (2)Chain center, upper (2)
1818th
Teil, linker (1)Part, left (1)
1919th
Teil, rechter (1)Right part (1)
2020th
--
2121
UmlenkkettenradDeflection sprocket
2222
Kettentrum, unteresChain center, lower
2323
Bogenstapel, ersterSheet stack, first
2424th
Bogenstapel, zweiterSheet stack, second
2525th
--
2626
ÜbergabetrommelTransfer drum
2727
Greiforgan (26)Gripping member (26)
2828
AussparungRecess
2929
Übergabestelle, obereTransfer point, upper
3030th
--
3131
Übergabestelle, untereTransfer point, lower
3232
Mantelfläche (26)Lateral surface (26)
3333
SaugsegmenteSuction segments
3434
Seite, bedruckt (8)Printed page (8)
NN
Vielfaches, ganzzahligMultiple, integer
a3a3
Abstand der Kettengreifersysteme (3)Distance between chain gripper systems (3)
d26d26
Durchmesser der Übergabetrommel (26)Transfer drum diameter (26)
l2l2
Gesamtlänge der Auslegerkette (2)Total length of the boom chain (2)
lT2LT2
Teillänge der Auslegerkette (2)Partial length of the boom chain (2)
u21u21
Umfang des Umlenkkettenrades (21)Deflection of the deflection sprocket (21)
u26u26
Umfang der Übergabetrommel (26)Circumference of the transfer drum (26)

Claims (10)

Verfahren zum Transport von Bogen (8) in einem Kettenbogenausleger (1) einer Rotationsdruckmaschine, wobei die Bogen (8) mit einer zuletzt bedruckten Seite (34) nach unten in einem oberen Kettentrum (17) eines Paares von endlosen Auslegerketten (2) mit daran in einem Abstand (a3) befestigten Kettengreifersystemen (3) transportiert werden und nach einer Umlenkung mit der bedruckten Seite (34) nach oben auf einem ersten Bogenstapel (23) abgelegt werden, dadurch gekennzeichnet, daß in Bogenlaufrichtung die Bogen (8) mindestens auf einem weiteren Bogenstapel (24) mittels einem einzigen, für alle Bogenstapel (23; 24) gemeinsamen Paar von Auslegerketten (2) wählbar abgelegt werden können, daß zur Ablage auf dem zweiten Bogenstapel (24) die Bogen (8) von einem Kettengreifersystem (3) des oberen Kettentrumes (17) an ein nach dem ersten Bogenstapel (23) befindliches Greiforgan (27) übergeben werden, daß dieses Greiforgan (27) den Bogen (8) derart umlenkt, daß die Bogen mit der bedruckten Seite nach oben auf einem zweiten Bogenstapel abgelegt werden können.Method for transporting sheets (8) in a chain sheet delivery (1) of a rotary printing machine, the sheets (8) with a last printed side (34) down in an upper chain center (17) of a pair of endless delivery chains (2) with them chain gripper systems (3) fastened at a distance (a3) and, after deflection with the printed side (34) upwards, are placed on a first sheet stack (23), characterized in that the sheets (8) are at least on one in the direction of sheet travel further sheet stacks (24) can be deposited selectively by means of a single pair of delivery chains (2) common to all sheet stacks (23; 24) such that the sheets (8) are deposited by a chain gripper system (3) for placement on the second sheet stack (24) of the upper chain strand (17) to a gripping member (27) located after the first sheet stack (23) that this gripping member (27) deflects the sheet (8) in such a way that the sheet is printed with the n can be placed face up on a second stack of sheets. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Greiforgan (27) nach erfolgter Umlenkung des Bogens (8) diesen an ein Kettengreifersystem (3) des unteren Kettentrumes (22) der Auslegerketten (2) übergibt.Method according to claim 1, characterized in that the gripping member (27) transfers the sheet (8) to a chain gripper system (3) of the lower chain strand (22) of the cantilever chains (2). Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß in Bogenlaufrichtung mindestens ein weiterer Bogenstapel (24) angeordnet ist, daß zum Transport der Bogen (8) für alle Bogenstapel (23; 24) ein einziges, gemeinsames Paar von Auslegerketten (2) vorgesehen ist, daß von Kettengreifersystemen (3) des oberen Kettentrumes (17) mindestens ein bogenübernehmendes, an Kettengreifersysteme (3) des unteren Kettentrumes (22) bogenübergebendes, mit dem Kettengreifersystemen (3) synchronisiertes Greiforgan (27) vorgesehen ist.Apparatus for carrying out the method according to claim 1, characterized in that at least one further sheet stack (24) is arranged in the direction of sheet travel, and that a single, common pair of delivery chains (2 ) it is provided that chain gripper systems (3) of the upper chain strand (17) provide at least one gripping member (27) which takes over the arch and transfers to chain gripper systems (3) of the lower chain strand (22) and is synchronized with the chain gripper systems (3). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Greiforgane (27) wahlweise schaltbar auf einer Übergabetrommel (26) angeordnet sind, die mit Kettengreifersystemen (3) sowohl des oberen als auch des unteren Kettentrumes (17, 22) zusammenwirkt.Apparatus according to claim 3, characterized in that the gripping members (27) are optionally switchable on a transfer drum (26) which interacts with chain gripper systems (3) of both the upper and lower chain runs (17, 22). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß als Übergabetrommel (26) eine Saugtrommel und als Greiforgane (27) der Übergabetrommel (26) Saugsegmente (27) vorgesehen sind.Apparatus according to claim 4, characterized in that a suction drum is provided as the transfer drum (26) and suction segments (27) are provided as gripping members (27) of the transfer drum (26). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Greiforgane (27) der Übergabetrommel (26) aus einer Mantelfläche (32) der Übergabetrommel (26) heraus nach außen bewegbar angeordnet sind.Apparatus according to claim 4, characterized in that the gripping members (27) of the transfer drum (26) are arranged so that they can be moved outwards from a lateral surface (32) of the transfer drum (26). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß ein Umfang (u26) der Übergabetrommel (26) einem ganzzahligen Vielfachen (N) des Abstandes (a3) der Kettengreifersysteme (3) entspricht.Device according to claim 4, characterized in that a circumference (u26) of the transfer drum (26) corresponds to an integral multiple (N) of the distance (a3) of the chain gripper systems (3). Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Umfang (u26) der Übergabetrommel (26) dem doppelten Abstand (a3) der Kettengreifersysteme (3) entspricht.Device according to claim 7, characterized in that the circumference (u26) of the transfer drum (26) corresponds to twice the distance (a3) of the chain gripper systems (3). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß eine von Übergabestellen (29, 31) in Richtung Umlenkkettenrad (21) begrenzte Teillänge (lT2) bei einem von einem geradzahligen Vielfachen (NG) des Abstandes (a3) gebildeten Umfang (u26) ein ganzzahliges Vielfaches (N) des Abstandes (a3) beträgt.Apparatus according to claim 4, characterized in that a partial length (IT2) delimited by transfer points (29, 31) in the direction of the deflection sprocket (21) with an extent (u26) formed by an even multiple (NG) of the distance (a3) is an integral multiple (N) of the distance (a3). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß eine von den Übergabestellen (29, 31) in Richtung Umlenkkettenrad (21) begrenzte Teillänge (lT2) bei einem von einem ungeradzahligen Vielfachen des Abstandes (a3) gebildeten Umfang (u26) ein ganzzahliges Vielfaches (N) des Abstandes (a3) plus einen halben Abstand (a3) beträgt.Apparatus according to claim 4, characterized in that a partial length (IT2) delimited by the transfer points (29, 31) in the direction of the deflection sprocket (21) is an integral multiple (N26) with a circumference (u26) formed by an odd multiple of the distance (a3) ) of the distance (a3) plus half a distance (a3).
EP95116535A 1994-10-26 1995-10-20 Sheet delivery device with chains of a rotary printing machine Expired - Lifetime EP0709329B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4438263A DE4438263C2 (en) 1994-10-26 1994-10-26 Chain bow delivery of a rotary printing machine
DE4438263 1994-10-26

Publications (3)

Publication Number Publication Date
EP0709329A2 true EP0709329A2 (en) 1996-05-01
EP0709329A3 EP0709329A3 (en) 1997-05-07
EP0709329B1 EP0709329B1 (en) 1999-02-24

Family

ID=6531758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116535A Expired - Lifetime EP0709329B1 (en) 1994-10-26 1995-10-20 Sheet delivery device with chains of a rotary printing machine

Country Status (4)

Country Link
US (1) US5640908A (en)
EP (1) EP0709329B1 (en)
JP (1) JP2918093B2 (en)
DE (2) DE4438263C2 (en)

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DE19653247A1 (en) * 1996-10-21 1998-04-30 Koenig & Bauer Albert Ag Sheet processing machine
DE19653248A1 (en) * 1996-10-21 1998-04-30 Koenig & Bauer Albert Ag Sheet processing machine
US5970833A (en) * 1997-07-17 1999-10-26 Elsner Engineering Works, Inc. Stacking machine and method
DE19921271A1 (en) * 1998-06-03 1999-12-09 Heidelberger Druckmasch Ag Method of conveying sheets in a printer
DE10105374A1 (en) * 2001-02-07 2002-08-08 Heidelberger Druckmasch Ag Boom of a sheet processing machine
EP1588864A1 (en) * 2004-04-22 2005-10-26 Kba-Giori S.A. Printing machine with laser perforating unit
JP4267044B2 (en) * 2006-09-06 2009-05-27 キヤノン株式会社 Sheet stacking apparatus and image forming apparatus
DE102006051278B4 (en) * 2006-10-31 2017-01-12 manroland sheetfed GmbH Device and method for the finishing of sheet-shaped substrates in a sheet-fed press

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Also Published As

Publication number Publication date
DE59505141D1 (en) 1999-04-01
JPH08208093A (en) 1996-08-13
EP0709329B1 (en) 1999-02-24
DE4438263C2 (en) 1997-05-07
JP2918093B2 (en) 1999-07-12
EP0709329A3 (en) 1997-05-07
US5640908A (en) 1997-06-24
DE4438263A1 (en) 1996-05-02

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