EP1878677B1 - Printing machine - Google Patents

Printing machine Download PDF

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Publication number
EP1878677B1
EP1878677B1 EP07012671A EP07012671A EP1878677B1 EP 1878677 B1 EP1878677 B1 EP 1878677B1 EP 07012671 A EP07012671 A EP 07012671A EP 07012671 A EP07012671 A EP 07012671A EP 1878677 B1 EP1878677 B1 EP 1878677B1
Authority
EP
European Patent Office
Prior art keywords
sheet
printing press
good
waste part
spreading
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.)
Not-in-force
Application number
EP07012671A
Other languages
German (de)
French (fr)
Other versions
EP1878677A1 (en
Inventor
Thomas Walther
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.)
Manroland AG
Original Assignee
Manroland AG
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Filing date
Publication date
Application filed by Manroland AG filed Critical Manroland AG
Publication of EP1878677A1 publication Critical patent/EP1878677A1/en
Application granted granted Critical
Publication of EP1878677B1 publication Critical patent/EP1878677B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • 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
    • 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
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • 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
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241—Suction devices
    • 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
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/245—Air blast devices
    • 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
    • B65H29/60—Article switches or diverters diverting the stream into alternative paths
    • 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
    • B65H29/62—Article switches or diverters diverting faulty articles from the main streams
    • 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
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • 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
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • 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
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1762—Corrugated
    • 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 printing machine with arotaryseparationssystem for Faltschachtelnutzen and / or labels, which is part of a sheet-fed press, and essentially relies on already known machine elements of a sheet-fed press. Furthermore, this patent describes a form of punching, which is a prerequisite for the successful performance of the punching.
  • the EP 1 283 765 B1 describes as generic representative for applications of inline stamping and embossing a device for finishing, in particular for cutting and punching of printed cardboard, cardboard packaging, corrugated cardboard, paper or similar sheet-like substrates by means of a rotary die, wherein the substrate in the feed direction between two rotating processing rolls is insertable and undergoes its processing when passing through the working gap effective tool parts, in which the substrate is divided into at least one waste part and at least one good part, wherein a processing roller is provided with at least one gripper for the register-oriented transport of the sheet-shaped substrate, characterized in that means for spreading and separating the good part from the waste part are provided at the discharge end of the working gap. The waste part is held by the gripper and removed from the working gap.
  • a delivery device is disclosed on a sheet-fed printing press, which has a drum acting as a switch and a gripper bar having a drum for selectively possible sheet removal.
  • the device can eject sheets from the sheet conveying system of a boom of a sheet-fed printing machine and then deposit discharged sheets on a separate stack.
  • This module is also referred to as a curved switch, which is used to remove broken sheets or run-up sheets or otherwise as spoof sheets of defined sheets.
  • the aim of the invention is therefore to carry out the separation between a good part and a waste part using known machine elements, the sheet being punched first rotary in the printing press and the good part or the good parts with the waste part or the waste parts by means of breakpoints by Interruption of a punching line are generated, connected to each other, is supplied together to a separate unit that makes the separation into waste and good part.
  • the printing sheet which has one or more benefits, with a rotary punching tool during printing run by the printing machine divided into at least one good and at least one waste part, the good and the waste part remain connected to each other via punching points and together of the Sheet conveying system for the separation device to be transported.
  • the separating device consists essentially of a delivery device, as shown in the DE 198 19 491 C1 is disclosed.
  • the separation of the good parts can be supported by spreading.
  • the separated from the overall arc good parts can then be fed by means of a conveyor belt of a delivery or any other processing station, while the waste part of the sheet softening drum detected and fed to a stack and stored there, or detected by a conveyor system and the waste disposal is supplied.
  • FIGS. 1 to 3 a curved diverter station is shown.
  • a printing unit 1 which is also fed by a processing unit, e.g. a painting or other post-processing station, may be formed downstream of a delivery device in the conveying direction.
  • the printing unit 1 consists of a blanket 2 and a printing cylinder 4.
  • the blanket cylinder 2 is in operative connection with a printing cylinder 4, wherein the printing cylinder 4 in the conveying direction, a transfer cylinder 3 is arranged upstream of the sheet feed.
  • the delivery device consists inter alia of an endless, circulating sheet conveying system 5 with a plurality of gripper systems 25, wherein the sheet conveying system 5, preferably as a chain conveyor, with a first, preferably pneumatically actuated, sheet guiding device 28 is formed. Outside the lower run of the sheet conveying system 5, a recess extending over the width of the format within the first sheet guiding device 28 is arranged at a slight distance from the sheet conveying system 5.
  • the lower run of the sheet conveying system 5 is associated with a bow leading drum 11 below in the region of the recess.
  • the drum 11 has at least one gripper bridge 26 which cuts the recess with its circle.
  • a stacking system 10 is arranged downstream of this.
  • the sheet conveying system 5 extends beyond a first stack of conveyors 9 acting as a main stack. In the conveying direction, this first delivery stack 9 the sheet conveying system 5, the sheet leading drum 11 is assigned.
  • the drum 11 may, based on a simply large blanket cylinder 2, as a double-sized drum 11 with two symmetrically distributed on the circumference arranged gripper bars 26 may be formed.
  • the drum 11 acts as a switch for the selective removal of sheets from the circulating sheet conveying system 5.
  • the drum 11 is preferably assigned to this in a horizontally arranged part of the sheet conveying system 5 and guided on the drum 11 sheet is thereby deposited on the stacking system 10.
  • the stacking system 10 is in the simplest form a pallet or a lattice box for receiving spoil sheets. In a further training at least slings and straight risers for an exact edge formation can be arranged.
  • a transport system that removes the substrate sheet can also be provided.
  • a control device 24 e.g. a pivoting cam, arranged above the drum 11, in the area of the sheet conveying system 5, a control device 24, e.g. a pivoting cam, arranged above the drum 11, in the area of the sheet conveying system 5, a control device 24, e.g. a pivoting cam, arranged above the drum 11, in the area of the sheet conveying system 5, a control device 24, e.g. a pivoting cam, arranged above the area of the sheet conveying system 5 correlated.
  • the gripper bridge 26, which correlates with the gripper system 25, is preferably likewise actuated by a pivotable control cam.
  • an actuating device e.g. a pneumatically actuated working cylinder arranged, which activates the control cams of gripper system 25 and gripper bar 26 and at the same time the sheet guide 28 via a coupling gear.
  • the drum 11 is assigned in the sheet outlet at a distance adjacent, second sheet guiding device 20 which extends to the stacking system 10.
  • second sheet guiding device 20 which extends to the stacking system 10.
  • a blast air device 21 arranged between the drum 11 and the stacking system 10 .
  • the second sheet guiding device 20 is preferably pneumatically, for example, with blowing air, acted upon.
  • the second sheet guiding device 20 opposite a third sheet guiding device 22 is arranged, which extends between the drum 11 and the stacking system 10.
  • the third sheet guiding device 22 can be acted upon pneumatically by means of a blowing / suction system 23.
  • At least the drum 11 and the stacking system 10 form a removal module 7.
  • the delivery device is formed at least from a delivery module 7 upstream in the conveying direction first boom module 6, the removal module 7 and a downstream, second jib module 8.
  • the removal module 7 a portion of the sheet conveying system 5 with chain guide track and the control device 24.
  • the removal module 7 preferably has, in the region of the side frames, a support surface 15 for the upstream, first delivery module 6 and a support surface 16 for the downstream, second delivery module 8.
  • an intermediate module 18 with a section of the sheet delivery system 5 is arranged between the first delivery module 6 and the removal module 7. Due to the modular design of the delivery device, the intermediate module 18 can also be designed as a dryer section. The example is not according to the training gem. Fig. 2 limited. Alternatively, in the conveying direction of the removal module 7 and in front of the intermediate module 18 (with dryer section and / or second delivery stack 17) can be arranged.
  • the mode of action is as follows: The sheet coming from the processing station of the printing press 1 is taken over by a gripper system 25 of the sheet conveying system 5 and conveyed in the conveying direction as far as the sheet diverter. There the sheet is transferred at its leading edge to a gripper system 26 of the drum 11.
  • a gripper system 26 of the drum 11 By deflecting from the horizontal of the arc is curved and at the same time held on its underside by the drum 11 upstream suction systems, so that there is a strong curvature by the deflection.
  • the curvature is particularly effective when the drum 11 has the smallest possible radius. When the bow is bent, the punched-out parts of the bow spread out and can be picked up and carried away.
  • Fig. 2 sheets are optionally placed on a first or second delivery stack 9, 17.
  • the discharge of complete sheets due to printing errors can be controlled by only between the first and the second delivery stack 9, 17 must be reversed, so that always processed part of the sheet on the second stack 9 or led to sheet diverter, but waste sheets are transported to the stack 17 can.
  • the spread by the deflection of the sheet drum can be supported, in which the free end of the sheet, which is not held by grippers, is held by strong suction air on the sheet web.
  • This can be done with thin materials by a strong interpretation of the known pneumatic arc paths.
  • a separate suction slot as used for example in the area of the sheet brake in the boom, or rotating suction rollers, which rotate with respect to the sheet speed reduced rotational speed or against the sheet travel direction, is recommended.
  • the goal is to tighten the bow end and hold it on the bow path to achieve a maximum spread of the good part of the waste part when deflecting the sheet through the sheet softening drum.
  • the separated good parts can then be detected by a gripper system, a suction system or a preferably pneumatically sucking conveyor belt system and then fed to a delivery or a processing station.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

The machine has a feeder and several printing and/or painting tools. A transportation path of a substrate paper sheet is assigned to a sheet guide. A drum is guided such that a wastage part in the paper is detected by a gripper bridge (26) of a drum (11) for spreading good parts in wastage parts. Sheet paper end is held on a paper sheet path by a suction power of the path or a separate pneumatic suction device to obtain sharp deflection of the wastage part of the substrate paper sheet by deflection using drum to obtain optimal spreading of the good parts. An independent claim is also included for a substrate paper sheet consisting of good and wastage parts.

Description

Die Erfindung betrifft eine Druckmaschine mit einem Nutzenseparationssystem für Faltschachtelnutzen und / oder Etiketten, das Bestandteil einer Bogendruckmaschine ist, und im Wesentlichen auf schon bekannte Maschinenelemente einer Bogendruckmaschine zurückgreift. Ferner beschreibt diese Patentschrift eine Form der Stanzung, die eine Vorrausetzung für die erfolgreiche Durchführung der Stanzung bildet.The invention relates to a printing machine with a Nutzenseparationssystem for Faltschachtelnutzen and / or labels, which is part of a sheet-fed press, and essentially relies on already known machine elements of a sheet-fed press. Furthermore, this patent describes a form of punching, which is a prerequisite for the successful performance of the punching.

Es ist bekannt Nutzen in der Druckmaschine aus einem Druckbogen zu stanzen, wobei die Nutzen nur von einigen, wenigen Haltepunkten mit dem Druckbogen verbunden sind, um den Weitertransport des Bogens mit den gestanzten Nutzen in die Auslage einer Bogendruckmaschine zur gewährleisten.It is known to punch in the printing machine from a sheet, the benefits of only a few, holding points are connected to the sheet to ensure the further transport of the sheet with the punched benefits in the delivery of a sheetfed press.

Die EP 1 283 765 B1 beschreibt als gattungsmäßiger Vertreter für Anwendungen des Inline-Stanzens und Prägens eine Vorrichtung zum veredelnden Bearbeiten, insbesondere zum Schneiden und Stanzen von bedruckten Karton, Kartonverpackungen, Wellpappe, Papier oder ähnlichen bogenförmigen Substraten mittels eines Rotationsstanzwerkzeuges, bei dem das Substrat in Vorschubrichtung zwischen zwei rotierende Bearbeitungswalzen einführbar ist und beim Durchlaufen durch den Arbeitsspalt wirksame Werkzeugteile seine Bearbeitung erfährt, in dem das Substrat in mindestens ein Abfallteil und wenigstens ein Gutteil aufgeteilt wird, wobei eine Bearbeitungswalze mit zu mindestens einem Greifer für den registergerechten Transport des bogenförmigen Substrates versehen ist, dadurch gekennzeichnet, dass Mittel zum Spreizen und Trennen des Gutteils vom Abfallteil am abgabeseitig Ende des Arbeitsspaltes vorgesehen ist. Dabei wird das Abfallteil vom Greifer festgehalten und aus dem Arbeitspalt entfernt wird.The EP 1 283 765 B1 describes as generic representative for applications of inline stamping and embossing a device for finishing, in particular for cutting and punching of printed cardboard, cardboard packaging, corrugated cardboard, paper or similar sheet-like substrates by means of a rotary die, wherein the substrate in the feed direction between two rotating processing rolls is insertable and undergoes its processing when passing through the working gap effective tool parts, in which the substrate is divided into at least one waste part and at least one good part, wherein a processing roller is provided with at least one gripper for the register-oriented transport of the sheet-shaped substrate, characterized in that means for spreading and separating the good part from the waste part are provided at the discharge end of the working gap. The waste part is held by the gripper and removed from the working gap.

Der Nachteil der gefunden Lösung ist, dass hierfür ein separates Bearbeitungsmodul in eine Druckmaschine integriert werden muss, dass aufgrund seiner spezifischen Charakteristik auch kaum eine andere Betriebsweise zulässt.The disadvantage of the solution found is that for this purpose, a separate processing module must be integrated into a printing press, which hardly allows any other mode of operation due to its specific characteristics.

Aus der DE 198 19 491 C1 ist eine Auslegevorrichtung an einer Bogendruckmaschine offenbart, die eine als Weiche wirkende und eine Greiferbrücke aufweisende Trommel zur wahlweise möglichen Bogenentnahme aufweist. Die Vorrichtung kann Bogen aus dem Bogenfördersystems eines Auslegers einer Bogendruckmaschine ausschleusen und ausgeschleuste Bogen dann auf einen separaten Stapel ablegen. Dieses Modul wird auch als Bogenweiche bezeichnet, die zur Ausschleusung defekter Bögen oder von Anlaufbögen oder auf andere Weise als Makulaturbögen definierter Bögen dient.From the DE 198 19 491 C1 a delivery device is disclosed on a sheet-fed printing press, which has a drum acting as a switch and a gripper bar having a drum for selectively possible sheet removal. The device can eject sheets from the sheet conveying system of a boom of a sheet-fed printing machine and then deposit discharged sheets on a separate stack. This module is also referred to as a curved switch, which is used to remove broken sheets or run-up sheets or otherwise as spoof sheets of defined sheets.

Ziel der Erfindung ist es daher die Trennung zwischen einem Gutteil und einem Abfallteil unter Ausnutzung bekannter Maschinenelemente durchzuführen, wobei der Bogen zuerst rotativ in der Druckmaschine gestanzt und der Gutteil bzw. die Gutteile mit dem Abfallteil bzw. den Abfallteilen, die mittels Haltepunkten, die durch Unterbrechung einer Stanzline erzeugt werden, miteinander verbunden sind, gemeinsam einer separaten Einheit zugeführt wird, die die Trennung in Abfall- und Gutteil vornimmt.The aim of the invention is therefore to carry out the separation between a good part and a waste part using known machine elements, the sheet being punched first rotary in the printing press and the good part or the good parts with the waste part or the waste parts by means of breakpoints by Interruption of a punching line are generated, connected to each other, is supplied together to a separate unit that makes the separation into waste and good part.

Dieses Ziel wird durch eine Druckmaschine mit den Merkmalen des Anspruchs 1 erreicht.This object is achieved by a printing machine with the features of claim 1.

Erfindungsgemäß wird der Druckbogen, der einen oder mehrere Nutzen aufweist, mit einem rotativ arbeitenden Stanzwerkzeug während des Drucklaufs durch die Druckmaschine in mindestens einen Gut- und mindestens einen Abfallteil aufgeteilt, wobei der Gut- und der Abfallteil über Stanzhaltepunkte miteinander verbunden bleiben und gemeinsam von dem Bogenfördersystem zur der Trennvorrichtung weitertransportiert werden.According to the invention, the printing sheet, which has one or more benefits, with a rotary punching tool during printing run by the printing machine divided into at least one good and at least one waste part, the good and the waste part remain connected to each other via punching points and together of the Sheet conveying system for the separation device to be transported.

Zur besseren und leichteren Aufspreizung des Gutteils von dem Abfallteil weist die jeweils in Förderrichtung des Bogens liegende Nutzenkante keine Stanzhaltepunkte oder nur sehr schwache Stanzhaltepunkte auf.For better and easier spreading of the good part of the waste part, each lying in the conveying direction of the arc useful edge on no punching points or only very weak punching points on.

Die Trenneinrichtung besteht im Wesentlichen aus einer Auslegevorrichtung, wie sie in der DE 198 19 491 C1 offenbart ist. Die Trennung der Gutteile kann durch Spreizmittel unterstützt werden. Die aus dem Gesamtbogen heraus getrennten Gutteile können dann mittels eines Förderbandes einer Auslage oder einer anderen beliebigen Bearbeitungsstation zugeführt werden, während der Abfallteil von der Bogenweichentrommel erfasst und einem Stapel zugeführt und dort abgelegt, bzw. von einem Fördersystem erfasst und der Abfallentsorgung zugeführt wird.The separating device consists essentially of a delivery device, as shown in the DE 198 19 491 C1 is disclosed. The separation of the good parts can be supported by spreading. The separated from the overall arc good parts can then be fed by means of a conveyor belt of a delivery or any other processing station, while the waste part of the sheet softening drum detected and fed to a stack and stored there, or detected by a conveyor system and the waste disposal is supplied.

In Figuren 1 bis 3 ist eine Bogenweichenstation dargestellt.In FIGS. 1 to 3 a curved diverter station is shown.

In einer Bogenrotationsdruckmaschine ist einem Druckwerk 1, das auch durch eine Verarbeitungseinheit, z.B. eine Lackiereinheit oder eine sonstige Weiterverarbeitungsstation, gebildet sein kann, in Förderrichtung eine Auslegevorrichtung nachgeordnet. Das Druckwerk 1 besteht dabei aus einem Gummituch- 2 sowie einem Druckzylinder 4. Der Gummituchzylinder 2 ist mit einem Druckzylinder 4 in Funktionsverbindung, wobei dem Druckzylinder 4 in Förderrichtung ein Transferzylinder 3 für die Bogenzuführung vorgeordnet ist.In a sheet-fed rotary printing press, a printing unit 1 which is also fed by a processing unit, e.g. a painting or other post-processing station, may be formed downstream of a delivery device in the conveying direction. The printing unit 1 consists of a blanket 2 and a printing cylinder 4. The blanket cylinder 2 is in operative connection with a printing cylinder 4, wherein the printing cylinder 4 in the conveying direction, a transfer cylinder 3 is arranged upstream of the sheet feed.

Die Auslegevorrichtung besteht u. a. aus einem endlos, umlaufenden Bogenfördersystem 5 mit mehreren Greifersystemen 25, wobei das Bogenfördersystem 5, vorzugsweise als Kettenförderer, mit einer ersten, vorzugsweise pneumatisch beaufschlagbaren, Bogenleiteinrichtung 28 ausgebildet ist. Außerhalb des unteren Trumms des Bogenfördersystems 5 ist in geringem Abstand zum Bogenfördersystem 5 eine über die Formatbreite verlaufende Aussparung innerhalb der ersten Bogenleiteinrichtung 28 angeordnet. Dem unteren Trumm des Bogenfördersystems 5 ist im Bereich der Aussparung eine Bogen führende Trommel 11 unterhalb zugeordnet. Die Trommel 11 weist wenigstens eine Greiferbrücke 26 auf, welche mit ihrem Flugkreis die Aussparung schneidet. Für die Bogenablage ist unterhalb der Trommel 11 ein Stapelsystem 10 dieser nachgeordnet.
Das Bogenfördersystem 5 erstreckt sich bis über einen als Hauptstapel fungierenden ersten Auslegerstapel 9. In Förderrichtung vor diesem ersten Auslegerstapel 9 ist dem Bogenfördersystem 5 die Bogen führende Trommel 11 zugeordnet. Die Trommel 11 kann, bezogen auf einen einfach großen Gummituchzylinder 2, als doppeltgroße Trommel 11 mit zwei am Umfang symmetrisch verteilt angeordneten Greiferbrücken 26 ausgebildet sein. Ebenso ist die Trommel 11 mit einem einfach großen Durchmesser und einer Greiferbrücke 26, aber auch mit dreifach- bzw. mehrfach großen Durchmessern mit entsprechender Anzahl symmetrisch am Umfang verteilt angeordneter Greiferbrücken 26 ausführbar.The delivery device consists inter alia of an endless, circulating sheet conveying system 5 with a plurality of gripper systems 25, wherein the sheet conveying system 5, preferably as a chain conveyor, with a first, preferably pneumatically actuated, sheet guiding device 28 is formed. Outside the lower run of the sheet conveying system 5, a recess extending over the width of the format within the first sheet guiding device 28 is arranged at a slight distance from the sheet conveying system 5. The lower run of the sheet conveying system 5 is associated with a bow leading drum 11 below in the region of the recess. The drum 11 has at least one gripper bridge 26 which cuts the recess with its circle. For the sheet storage below the drum 11, a stacking system 10 is arranged downstream of this.
The sheet conveying system 5 extends beyond a first stack of conveyors 9 acting as a main stack. In the conveying direction, this first delivery stack 9 the sheet conveying system 5, the sheet leading drum 11 is assigned. The drum 11 may, based on a simply large blanket cylinder 2, as a double-sized drum 11 with two symmetrically distributed on the circumference arranged gripper bars 26 may be formed. Likewise, the drum 11 with a simply large diameter and a gripper bridge 26, but also with three or more times large diameters with a corresponding number symmetrically distributed around the circumference arranged gripper bars 26 executable.

Die Trommel 11 wirkt als Weiche zur wahlweisen Entnahme von Bogen aus dem umlaufenden Bogenfördersystem 5. Dazu ist die Trommel 11 bevorzugt in einem horizontal angeordneten Teil des Bogenfördersystems 5 diesem zugeordnet und der auf der Trommel 11 geführte Bogen ist dabei auf das Stapelsystem 10 ablegbar. Das Stapelsystem 10 ist in einfachster Ausbildung eine Palette oder eine Gitterbox zur Aufnahme von Makulaturbogen. In einer weiterführenden Ausbildung sind zumindest Anschlagmittel und Geradstosser für eine exakte Kantenbildung anordenbar. Hier kann auch ein die Substratbogen abförderndes Transportsystem vorgesehen sein.The drum 11 acts as a switch for the selective removal of sheets from the circulating sheet conveying system 5. For this purpose, the drum 11 is preferably assigned to this in a horizontally arranged part of the sheet conveying system 5 and guided on the drum 11 sheet is thereby deposited on the stacking system 10. The stacking system 10 is in the simplest form a pallet or a lattice box for receiving spoil sheets. In a further training at least slings and straight risers for an exact edge formation can be arranged. Here, a transport system that removes the substrate sheet can also be provided.

Oberhalb der Trommel 11 ist im Bereich des Bogenfördersystems 5 eine Steuereinrichtung 24, z.B. eine schwenkbare Steuerkurve, angeordnet. Mittels dieser Steuereinrichtung 24 sind die umlaufenden Greifersysteme 25 des Bogenfördersystems 5 bei Bedarf betätigbar, wobei stets ein Greifersystem 25 mit einer Greiferbrücke 26 der Trommel 11 korreliert. Die mit dem Greifersystem 25 korrelierende Greiferbrücke 26 wird bevorzugt ebenso von einer schwenkbaren Steuerkurve betätigt. Dazu ist eine Betätigungseinrichtung, z.B. ein pneumatisch betätigter Arbeitszylinder, angeordnet, welcher über ein Koppelgetriebe die Steuerkurven von Greifersystem 25 und Greiferbrücke 26 und gleichzeitig das Bogenleitelement 28 aktiviert.Above the drum 11, in the area of the sheet conveying system 5, a control device 24, e.g. a pivoting cam, arranged. By means of this control device 24, the rotating gripper systems 25 of the sheet conveying system 5 can be actuated if necessary, with always a gripper system 25 with a gripper bridge 26 of the drum 11 correlated. The gripper bridge 26, which correlates with the gripper system 25, is preferably likewise actuated by a pivotable control cam. For this purpose an actuating device, e.g. a pneumatically actuated working cylinder arranged, which activates the control cams of gripper system 25 and gripper bar 26 and at the same time the sheet guide 28 via a coupling gear.

Der Trommel 11 ist im Bogenabgang die in einem Abstand benachbarte, zweite Bogenleiteinrichtung 20 zugeordnet, welche sich zum Stapelsystem 10 erstreckt. Bevorzugt ist zwischen der Trommel 11 und dem Stapelsystem 10 eine Blaslufteinrichtung 21 angeordnet. Die zweite Bogenleiteinrichtung 20 ist vorzugsweise pneumatisch, z.B. mit Blasluft, beaufschlagbar.The drum 11 is assigned in the sheet outlet at a distance adjacent, second sheet guiding device 20 which extends to the stacking system 10. Preferably, between the drum 11 and the stacking system 10 is a blast air device 21 arranged. The second sheet guiding device 20 is preferably pneumatically, for example, with blowing air, acted upon.

Der zweiten Bogenleiteinrichtung 20 gegenüberliegend ist eine dritte Bogenleiteinrichtung 22 angeordnet, welche sich zwischen der Trommel 11 und dem Stapel-system 10 erstreckt. Bevorzugt ist die dritte Bogenleiteinrichtung 22 mittels eines Blas-/Saugsystems 23 pneumatisch beaufschlagbar.The second sheet guiding device 20 opposite a third sheet guiding device 22 is arranged, which extends between the drum 11 and the stacking system 10. Preferably, the third sheet guiding device 22 can be acted upon pneumatically by means of a blowing / suction system 23.

Zumindest die Trommel 11 sowie das Stapelsystem 10 bilden einen Entnahmemodul 7. Die Auslegevorrichtung ist wenigstens aus einem in Förderrichtung dem Entnahmemodul 7 vorgeordneten ersten Auslegermodul 6, dem Entnahmemodul 7 sowie einem nachgeordneten, zweiten Auslegermodul 8 gebildet.At least the drum 11 and the stacking system 10 form a removal module 7. The delivery device is formed at least from a delivery module 7 upstream in the conveying direction first boom module 6, the removal module 7 and a downstream, second jib module 8.

In bevorzugter Weiterbildung weist der Entnahmemodul 7 ein Teilstück des Bogenfördersystems 5 mit Kettenführungsbahn sowie die Steuereinrichtung 24 auf.In a preferred embodiment, the removal module 7, a portion of the sheet conveying system 5 with chain guide track and the control device 24.

Der Entnahmemodul 7 weist vorzugsweise im Bereich der Seitengestelle eine Auflagefläche 15 zum vorgeordneten, ersten Auslegermodul 6 sowie eine Auflagefläche 16 zum nachgeordneten, zweiten Auslegermodul 8 auf.The removal module 7 preferably has, in the region of the side frames, a support surface 15 for the upstream, first delivery module 6 and a support surface 16 for the downstream, second delivery module 8.

Bei Ausbildung der Auslegevorrichtung mit einem ersten Auslegerstapel 9 und einem zweiten Auslegerstapel 17 ist zwischen dem ersten Auslegermodul 6 und dem Entnahmemodul 7 ein Zwischenmodul 18 mit einem Teilstück des Bogenfördersystems 5 angeordnet. Durch den modularen Aufbau der Auslegevorrichtung ist der Zwischenmodul 18 auch als Trocknerstecke ausführbar. Das Beispiel ist nicht auf die Ausbildung gem. Fig. 2 beschränkt. Alternativ ist in Förderrichtung der Entnahmemodul 7 auch vor dem Zwischenmodul 18 (mit Trocknerstecke und/oder zweitem Auslegerstapel 17) anordenbar.When forming the delivery device with a first delivery stack 9 and a second delivery stack 17, an intermediate module 18 with a section of the sheet delivery system 5 is arranged between the first delivery module 6 and the removal module 7. Due to the modular design of the delivery device, the intermediate module 18 can also be designed as a dryer section. The example is not according to the training gem. Fig. 2 limited. Alternatively, in the conveying direction of the removal module 7 and in front of the intermediate module 18 (with dryer section and / or second delivery stack 17) can be arranged.

Die Wirkungsweise ist wie folgt: Der von der Verarbeitungsstation der Druckmaschine 1 kommende Bogen wird von einem Greifersystem 25 des Bogenfördersystems 5 übernommen und in Förderrichtung bis zur Bogenweiche gefördert. Dort wird der Bogen an seiner Vorderkante an ein Greifersystem 26 der Trommel 11 übergeben. Durch Umlenkung aus der Horizontalen wird der Bogen gekrümmt und gleichzeitig an seiner Unterseite von der Trommel 11 vorgelagerten Saugsystemen gehalten, so dass sich eine starke Krümmung durch die Umlenkung ergibt. Die Krümmung ist dann besonders effektiv, wenn die Trommel 11 einen möglichst geringen Radius hat. Bei der Krümmung des Bogens spreizen sich die ausgestanzten Teile des Bogens ab und können erfasst und abgefördert werden.The mode of action is as follows: The sheet coming from the processing station of the printing press 1 is taken over by a gripper system 25 of the sheet conveying system 5 and conveyed in the conveying direction as far as the sheet diverter. There the sheet is transferred at its leading edge to a gripper system 26 of the drum 11. By deflecting from the horizontal of the arc is curved and at the same time held on its underside by the drum 11 upstream suction systems, so that there is a strong curvature by the deflection. The curvature is particularly effective when the drum 11 has the smallest possible radius. When the bow is bent, the punched-out parts of the bow spread out and can be picked up and carried away.

In einer Auslegevorrichtung gem. Fig. 2 werden Bogen wahlweise auf einen ersten oder zweiten Auslegerstapel 9, 17 abgelegt. Damit wird die Ausschleusung kompletter Bögen infolge von Druckfehlern steuerbar, indem lediglich zwischen dem ersten und dem zweiten Auslegerstapel 9, 17 umgesteuert werden muss, so dass stets verarbeitete Teilbogen auf dem zweiten Stapel 9 oder zur Bogenweiche geführt, aber Makulaturbogen auf den Stapel 17 transportiert werden können.In a delivery device gem. Fig. 2 sheets are optionally placed on a first or second delivery stack 9, 17. Thus, the discharge of complete sheets due to printing errors can be controlled by only between the first and the second delivery stack 9, 17 must be reversed, so that always processed part of the sheet on the second stack 9 or led to sheet diverter, but waste sheets are transported to the stack 17 can.

Die Spreizung durch die Umlenkung an der Bogentrommel kann unterstützt werden, in dem das freie Bogenende, das nicht von Greifern gehalten wird, durch starke Saugluft auf der Bogenbahn gehalten wird. Dies kann bei dünnen Materialien durch eine starke Auslegung der bekannten pneumatischen Bogenbahnen geschehen. Bei stärkeren Materialien, wie Karton oder Folien, ist ein separater Saugschlitz, wie er zum Beispiel im Bereich der Bogenbremse im Ausleger zum Einsatz kommt, oder rotierende Saugrollen, die mit einem gegenüber der Bogengeschwindigkeit verringerten Umdrehungsgeschwindigkeit bzw. gegen die Bogenlaufrichtung drehen, empfehlenswert. Ziel ist es das Bogenende zu straffen und auf der Bogenbahn zu halten, um eine maximale Spreizung des Gutteils des Abfallteils beim Umlenken des Bogens durch die Bogenweichentrommel zu erzielen.The spread by the deflection of the sheet drum can be supported, in which the free end of the sheet, which is not held by grippers, is held by strong suction air on the sheet web. This can be done with thin materials by a strong interpretation of the known pneumatic arc paths. For thicker materials, such as cardboard or films, a separate suction slot, as used for example in the area of the sheet brake in the boom, or rotating suction rollers, which rotate with respect to the sheet speed reduced rotational speed or against the sheet travel direction, is recommended. The goal is to tighten the bow end and hold it on the bow path to achieve a maximum spread of the good part of the waste part when deflecting the sheet through the sheet softening drum.

Die abgetrennten Gutteile können dann von einem Greifersystem, einem Saugersystem oder einem vorzugsweise pneumatisch saugenden Förderbandsystem erfasst und dann einer Auslage oder eine Bearbeitungsstation zugeführt werden.The separated good parts can then be detected by a gripper system, a suction system or a preferably pneumatically sucking conveyor belt system and then fed to a delivery or a processing station.

Claims (7)

  1. A printing press with a feeder, one or a plurality of printing and/or varnishing couples, a delivery module (8) with a delivery stack (9) and a processing station (1) for the refining processing, more preferably for the cutting and punching of cardboard by means of a rotary tool in such a manner that at least one substrate sheet is cut open almost completely into at least one good part and one waste part so that good part and waste part for the purpose of onward transport remain interconnected via one or a plurality of holding points, wherein a sheet conveying system (5) with at least one gripper system (25) and a sheet control device (28) is provided, characterized in that the transport path of the substrate sheet is assigned to a sheet switch module (7) in the printing press which has a sheet switch drum (11), wherein
    the substrate sheet coming from the processing station (1) of the printing press is accepted by the gripper system (25) of the sheet conveying system (5) and conveyed in conveying direction via the sheet control device (28) to the sheet switch module (7), characterized in that the sheet conveying system (5) extends as far as over the delivery stack (9) and
    for the spreading-open of the good part from the waste part in the substrate sheet the waste part is grasped by a gripper bridge (26) of the sheet switch drum (11) correlating with the gripper system (25) and simultaneously the substrate sheet end through the suction force of suction systems of a sheet track located upstream of the sheet switch drum (11) or a separate pneumatic suction device located upstream of the sheet switch drum (11) is held on the sheet track of the printing press in order to achieve as sharp as possible a deflection of the waste part of the substrate sheet through the deflection by means of the sheet switch drum (11) to achieve optimum spreading-open.
  2. The printing press according to Claim 1, characterized in that the severed good parts are grasped by a gripper or a suction device system or a pneumatically acting conveyor belt system and fed to a copy delivery or a further processing station.
  3. The printing press according to Claim 1, characterized in that the spreading-open of the good part from the waste part is supported through spreading means.
  4. The printing press according to Claim 1, characterized in that the almost complete cutting open of the substrate sheet into the good and into the waste part takes place before the printing in the printing press.
  5. The printing press according to Claim 1, characterized in that the almost complete cutting open of the substrate sheet into the good and into the waste part takes place after the printing in the printing press.
  6. The printing press according to Claim 1 to 5, characterized in that the substrate sheet end is tautened during the deflection process of the waste part through a suction bar or one or a plurality of suction wheels and thus the spreading-open supported.
  7. The printing press according to Claim 1, characterized in that the substrate sheet consists of the at least one good and waste part which are interconnected through at least one holding point, and for processing in the printing press the edge of the good part or of the good parts lying in conveying direction for the purpose of simpler spreading-open is completely severed from the waste part.
EP07012671A 2006-07-12 2007-06-28 Printing machine Not-in-force EP1878677B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006032559A DE102006032559A1 (en) 2006-07-12 2006-07-12 Benefits Separation System

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EP1878677A1 EP1878677A1 (en) 2008-01-16
EP1878677B1 true EP1878677B1 (en) 2011-06-22

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EP (1) EP1878677B1 (en)
JP (1) JP2008018527A (en)
AT (1) ATE513780T1 (en)
DE (1) DE102006032559A1 (en)

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Publication number Priority date Publication date Assignee Title
CN111319093B (en) * 2020-03-02 2022-02-11 瑞安市大鹏印刷机械有限公司 Waste cleaning device of full-automatic die cutting machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819491C1 (en) * 1998-04-30 1999-09-16 Roland Man Druckmasch Rotary printing machine outlay feed
DE20006554U1 (en) * 2000-04-08 2001-08-16 Web Tech Licensees B.V., Badhoevedorp Device for processing printed packaging or the like. Substrates

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JP2008018527A (en) 2008-01-31
ATE513780T1 (en) 2011-07-15
DE102006032559A1 (en) 2008-01-17
EP1878677A1 (en) 2008-01-16

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