EP0680826A2 - Dispositif pour fixer une plaque d'impression flexible - Google Patents

Dispositif pour fixer une plaque d'impression flexible Download PDF

Info

Publication number
EP0680826A2
EP0680826A2 EP95106414A EP95106414A EP0680826A2 EP 0680826 A2 EP0680826 A2 EP 0680826A2 EP 95106414 A EP95106414 A EP 95106414A EP 95106414 A EP95106414 A EP 95106414A EP 0680826 A2 EP0680826 A2 EP 0680826A2
Authority
EP
European Patent Office
Prior art keywords
plate
cylinder
leg
spindle
trailing
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
EP95106414A
Other languages
German (de)
English (en)
Other versions
EP0680826B1 (fr
EP0680826A3 (fr
Inventor
Gunnar Rau
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
MAN Roland Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0680826A2 publication Critical patent/EP0680826A2/fr
Publication of EP0680826A3 publication Critical patent/EP0680826A3/fr
Application granted granted Critical
Publication of EP0680826B1 publication Critical patent/EP0680826B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/125—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end on a curvilinear path, e.g. by winding on a roll

Definitions

  • the invention relates to a device for attaching a flexible printing plate to the forme cylinder of a printing press according to the preamble of claim 1.
  • EP 534 579 A2 shows a plate tension in which the forme cylinder has a cylinder pit running in the axial direction, one edge of which carries the leading plate leg. Furthermore, the cylinder pit contains a rotatable spindle on which U-shaped leaf springs are arranged distributed over the width of the forme cylinder. One leg of the leaf springs is bent like a hook and, when the spindle is turned, engages in the trailing plate leg, which is also bent like a hook. The other leg of the springs presses the leading plate leg against the wall of the cylinder pit.
  • a disadvantage of this device is that the leading plate leg is not reliably held on the wall of the cylinder pit.
  • this object is achieved in a generic device by using the features of the characterizing part of patent claim 1 and by a method according to patent claim 6.
  • the device not only secures the leading plate leg on the wall of the cylinder pit, but grips and tensions it, ie pulls it into the cylinder pit. This pulls the leading plate edge in the correct position onto the edge of the cylinder pit.
  • the pressure plate is parallel to the channel edge on the Form cylinder positioned before it is wrapped around it. Register errors, in particular also diagonal register errors, when clamping the printing plate are thus avoided.
  • the forme cylinder 1 shown in detail in FIG. 1 has a cylinder pit 2 running in the axial direction.
  • a pit wall 3 extends at an acute angle to the cylindrical surface and forms with it an edge 4 on which the leading plate leg 5 of the pressure plate 6 is received.
  • a spindle 7 is arranged in the cylinder pit 2 and is rotatably mounted at the ends of the cylinder pit 2, not shown.
  • the spindle 7 carries several leaf springs 8 distributed over the width of the pressure plate 6 to be tensioned, and these co-operate with the end of the trailing plate leg 9 which is also bent around a 90 ° hook. Instead of the individual leaf springs 8, a continuous leaf spring extending over the width of the pressure plate could also be provided.
  • the spindle 7 also has a driving edge 10, which cooperates with a V-shaped notch 11 of the leading plate leg 5.
  • a lever 12 is fastened, which is connected in an articulated manner to a deflectable pivot lever 13 (FIG. 3).
  • the pivot lever 13 contains a rod 14 on which a fork head 16 can be deflected against the force of a compression spring 15. With a roller 17, the pivot lever 13 is pivotally supported in an abutment 18. Furthermore, the pivot lever 13 presses with its spring-loaded fork head 16 onto a bolt 19 of the lever 12.
  • the clamping spindle 7 first assumes the position shown in FIG. 1.
  • the corresponding position of the levers 12 and 13 actuating the spindle 7 is shown in FIG. 3.
  • the deflectable pivot lever 13 presses the lever 12 into a stop position.
  • the lever 12 strikes the pin 20 of the forme cylinder 1.
  • the pressure plate 6 is suspended with its leading plate leg 5 on the edge 4 of the cylinder pit 2.
  • the spindle 7 is pivoted.
  • the lever 12 and the pivot lever 13 are moved into their extended position, that is, the connecting line of their pivot points, and further in this direction beyond the extended position until the driving edge 10 bears against the notch 11 of the pressure plate 6 and the tension force applied in the process of the pressure force of the Clamping lever 13 keeps the balance.
  • the front edge of the pressure plate 6 is aligned exactly parallel to the edge 4 of the cylinder pit 2.
  • the well-aligned printing plate 6 is then wound onto the forme cylinder 1 while rotating it. Thereafter, the spindle 7 is pivoted back into the position shown in FIG. 1, the lever 12 striking the pin 20. After the trailing plate leg 9 has been pressed into the cylinder pit 2, the spindle 7 is pivoted into the position shown in FIG. 2.
  • the spindle 7 is pivoted into the position shown in FIG. 1. Subsequently, the trailing plate leg 9 is removed from the cylinder pit 2, the pressure plate 6 is unwound from the cylinder 1 by rotating the plate cylinder 1, and the pressure plate 6 with its leading plate leg 5 is lifted out of the cylinder pit 2.
  • the pivoting of the adjusting spindle in one direction or the other is advantageously carried out by applying a force F1 or F2 to the lever 12 on this side or beyond its pivot point (see FIG. 3).
  • the forces can be applied by working cylinders arranged in the frame.
  • the device is well suited for an automatic plate change.
  • the notch 11 of the leading plate leg 5 is V-shaped in the embodiment.
  • One leg of the notch 11 is well suited for being carried along by the driving edge 10, while the second leg is advantageously supported on the pit wall 3.
  • the notch can also be designed in another way, for example U-shaped.
  • the leading plate leg 5 can also wear knobs on which the driving edge 10 engages.
  • the leading plate leg can also be provided with slots running in the axial direction of the cylinder, in the area of which the pressure plate, forming driving webs, is arched out towards the spindle.
  • the trailing plate leg 21 of the pressure plate 22 to be tensioned has Axial direction of the forme cylinder 23 arranged window-shaped recesses 24. In the tensioned position, the hook-shaped leaf springs 25 of the spindle 26 engage in these. Further structure and function are the same as the previous exemplary embodiment and are therefore not described in detail.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Fixing For Electrophotography (AREA)
  • Massaging Devices (AREA)
EP95106414A 1994-05-04 1995-04-28 Dispositif pour fixer une plaque d'impression flexible Expired - Lifetime EP0680826B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4415683A DE4415683C2 (de) 1994-05-04 1994-05-04 Vorrichtung zum Befestigen einer biegsamen Druckplatte
DE4415683 1994-05-04

Publications (3)

Publication Number Publication Date
EP0680826A2 true EP0680826A2 (fr) 1995-11-08
EP0680826A3 EP0680826A3 (fr) 1996-12-18
EP0680826B1 EP0680826B1 (fr) 1999-03-24

Family

ID=6517253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106414A Expired - Lifetime EP0680826B1 (fr) 1994-05-04 1995-04-28 Dispositif pour fixer une plaque d'impression flexible

Country Status (5)

Country Link
US (2) US5613440A (fr)
EP (1) EP0680826B1 (fr)
JP (1) JP2941684B2 (fr)
CA (1) CA2148517C (fr)
DE (3) DE4415683C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29600845U1 (de) * 1996-01-19 1996-03-07 MAN Roland Druckmaschinen AG, 63075 Offenbach Vorrichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder
EP1038672A2 (fr) * 1999-03-26 2000-09-27 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de tension des plaques à imprimer dans des gorges de calage ayant une taille réduite
FR2791300A1 (fr) * 1999-03-26 2000-09-29 Heidelberger Druckmasch Ag Dispositif de fixation de plaques d'impression dans des canaux de fixation de grandeur reduite

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19549707B4 (de) * 1994-11-16 2005-03-03 Kabushiki Kaisha Tokyo Kikai Seisakusho Apparat und Verfahren zum Verriegeln einer Druckplatte einer Rotationsdruckpresse
DE19509559C2 (de) * 1995-03-16 1997-01-23 Koenig & Bauer Albert Ag Spannvorrichtung
FR2733718B1 (fr) * 1995-05-04 1997-08-01 Heidelberg Harris Sa Dispositif de liaison entre des elements de retenue et une traverse d'un cylindre de forme d'impression
DE19542156C1 (de) * 1995-11-11 1997-05-15 Kba Planeta Ag Biegsame Druckplatte und Einrichtung zum Klemmen und Spannen
DE19729375A1 (de) * 1997-07-09 1999-01-14 Ltg Lufttechnische Gmbh Vorrichtung zum Befestigen einer biegsamen Platte auf dem Umfang des Zylinders einer Lackiermaschine
DE19841912A1 (de) * 1998-09-14 2000-03-16 Roland Man Druckmasch Vorrichtung zum Befestigen von biegsamen Druckformen
JP4666707B2 (ja) * 1999-12-21 2011-04-06 株式会社ミヤコシ 版胴における刷版クイックくわえ装置
JP3461487B2 (ja) * 2000-07-06 2003-10-27 株式会社東京機械製作所 印刷胴の被装着体装着装置並びに印刷版及びブランケット
DE10060984B4 (de) * 2000-12-08 2006-10-26 Man Roland Druckmaschinen Ag Vorichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder
DE10222225A1 (de) 2002-05-16 2003-12-04 Heidelberger Druckmasch Ag Zylinderaufzug und Verfahren zum Befestigen eines Zylinderaufzugs in einer Druckmaschine
FR2844743B1 (fr) * 2002-09-19 2004-12-17 Goss Systemes Graphiques Nante Ensemble comprenant une unite de blanchet et un cylindre a dispositif de fixation de blanchet, cylindre, unite de blanchet et presse offset correspondants
DE102005010739A1 (de) * 2005-03-09 2006-09-14 Man Roland Druckmaschinen Ag Druckplattenspannsystem
FR2905082B1 (fr) * 2006-08-22 2010-01-22 Goss Int Montataire Sa Plaque d'impression et ensemble d'impression correspondant.
DE102007002029B3 (de) * 2007-01-13 2008-04-10 Koenig & Bauer Aktiengesellschaft Zylinder einer Rollenrotationsdruckmaschine mit einer Vorrichtung zum Befestigen eines biegsamen Aufzugs
DE102007006042B3 (de) * 2007-02-07 2008-09-18 Koenig & Bauer Aktiengesellschaft Verfahren zum Spannen eines Aufzugs und eine Spannvorrichtung
CN103448352B (zh) † 2008-05-28 2015-09-09 柯尼格及包尔公开股份有限公司 卷筒纸胶印机以及用于运行卷筒纸胶印机的方法
DE102012220398B4 (de) 2012-11-09 2016-09-15 Koenig & Bauer Ag Verfahren zum Spannen einer Platte auf einer Mantelfläche eines Rotationskörpers einer Druckmaschine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235119A1 (de) * 1971-07-22 1973-02-01 North American Rockwell Vorrichtung zum aufspannen einer flexiblen druckplatte auf einen druckzylinder
US4104968A (en) * 1976-06-03 1978-08-08 Albert-Frankenthal Ag Clamping device for flexible printing plates
DE2757552A1 (de) * 1977-12-23 1979-06-28 Koenig & Bauer Ag Formzylinder
EP0252746A2 (fr) * 1986-07-11 1988-01-13 Hercules Incorporated Montage d'une plaque d'impression
DE3809667C1 (en) * 1988-03-23 1988-12-08 Man Roland Druckmaschinen Ag, 6050 Offenbach, De Device for attaching the rubber blanket on the blanket cylinder
EP0534579A2 (fr) * 1991-09-19 1993-03-31 Komori Corporation Dispositif pour remplacer la plaque d'impression dans une machine à imprimer rotative
DE4138925A1 (de) * 1991-11-27 1993-06-03 Roland Man Druckmasch Vorrichtung zum befestigen einer biegsamen druckplatte

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE223511C (fr) *
US3756691A (en) * 1970-03-24 1973-09-04 Robotron Veb K Aperture aberration reducing device
US3757691A (en) * 1972-06-12 1973-09-11 North American Rockwell Printing cylinder
JPH01174132U (fr) * 1988-05-27 1989-12-11
JPH0445736A (ja) * 1990-06-11 1992-02-14 Taketomi Sei 魚肉の血合肉除去方法並びに装置
JP2518811Y2 (ja) * 1990-08-22 1996-11-27 株式会社小森コーポレーション 版巻込み装置
JP3220910B2 (ja) * 1991-09-19 2001-10-22 株式会社小森コーポレーション 輪転印刷機の刷版交換装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235119A1 (de) * 1971-07-22 1973-02-01 North American Rockwell Vorrichtung zum aufspannen einer flexiblen druckplatte auf einen druckzylinder
US4104968A (en) * 1976-06-03 1978-08-08 Albert-Frankenthal Ag Clamping device for flexible printing plates
DE2757552A1 (de) * 1977-12-23 1979-06-28 Koenig & Bauer Ag Formzylinder
EP0252746A2 (fr) * 1986-07-11 1988-01-13 Hercules Incorporated Montage d'une plaque d'impression
DE3809667C1 (en) * 1988-03-23 1988-12-08 Man Roland Druckmaschinen Ag, 6050 Offenbach, De Device for attaching the rubber blanket on the blanket cylinder
EP0534579A2 (fr) * 1991-09-19 1993-03-31 Komori Corporation Dispositif pour remplacer la plaque d'impression dans une machine à imprimer rotative
DE4138925A1 (de) * 1991-11-27 1993-06-03 Roland Man Druckmasch Vorrichtung zum befestigen einer biegsamen druckplatte

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29600845U1 (de) * 1996-01-19 1996-03-07 MAN Roland Druckmaschinen AG, 63075 Offenbach Vorrichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder
US6019043A (en) * 1996-01-19 2000-02-01 Man Roland Druckmaschinen Ag Arrangement for fastening a cover on a printing cylinder
EP1038672A2 (fr) * 1999-03-26 2000-09-27 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de tension des plaques à imprimer dans des gorges de calage ayant une taille réduite
FR2791300A1 (fr) * 1999-03-26 2000-09-29 Heidelberger Druckmasch Ag Dispositif de fixation de plaques d'impression dans des canaux de fixation de grandeur reduite
EP1038672A3 (fr) * 1999-03-26 2001-04-11 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de tension des plaques à imprimer dans des gorges de calage ayant une taille réduite

Also Published As

Publication number Publication date
JPH07323519A (ja) 1995-12-12
CA2148517C (fr) 2000-04-04
DE59505406D1 (de) 1999-04-29
CA2148517A1 (fr) 1995-11-05
USRE36977E (en) 2000-12-05
EP0680826B1 (fr) 1999-03-24
DE4415683C2 (de) 1998-04-09
JP2941684B2 (ja) 1999-08-25
EP0680826A3 (fr) 1996-12-18
DE29503439U1 (de) 1995-04-20
DE4415683A1 (de) 1995-11-09
US5613440A (en) 1997-03-25

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