EP1362699A2 - Méthode et dispositif pour échanger des plaques d'impression - Google Patents

Méthode et dispositif pour échanger des plaques d'impression Download PDF

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Publication number
EP1362699A2
EP1362699A2 EP03010034A EP03010034A EP1362699A2 EP 1362699 A2 EP1362699 A2 EP 1362699A2 EP 03010034 A EP03010034 A EP 03010034A EP 03010034 A EP03010034 A EP 03010034A EP 1362699 A2 EP1362699 A2 EP 1362699A2
Authority
EP
European Patent Office
Prior art keywords
printing
plate
changing
plate cylinders
main drive
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
EP03010034A
Other languages
German (de)
English (en)
Other versions
EP1362699B1 (fr
EP1362699A3 (fr
Inventor
Christian Ziegenbalg
Bodo Zirnstein
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
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1362699A2 publication Critical patent/EP1362699A2/fr
Publication of EP1362699A3 publication Critical patent/EP1362699A3/fr
Application granted granted Critical
Publication of EP1362699B1 publication Critical patent/EP1362699B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41F27/1206—Feeding to or removing from the forme cylinder

Definitions

  • the invention relates to methods for changing printing plates on one at least two printing units existing printing machine, the printing units at least one plate cylinder equipped with one or more printing plates have, the drive of the plate cylinder via a closed Wheel pull from the main drive of the printing press takes place, the plate cylinder in Pressure position in at least two different phases to the gear train stand and the change of the printing plates in a uniform for all printing units Pressure plate change position takes place.
  • EP 0 435 413 B1 describes a method for changing printing plates known in which the used printing plates are removed one after the other. This is done by entering a plate removal position first plate cylinder from the transmission-related combination of plate cylinders or is disengaged from the wheel train of the printing press drive. The used printing plate is removed, using a single plate cylinder drive is applied. The remaining plate cylinders rotate synchronously continue until another plate cylinder is in a plate removal position arrives and the next used printing plate is removed. In this way all used printing plates are successively removed.
  • the relevant plate cylinder rotated to a plate feed position and the supply of the new printing plate initiated.
  • the other plate cylinders continue to rotate synchronously, with the Rotary movement now takes place in the opposite direction. Arrived another plate cylinder in a plate feed position, another printing plate fed until the automatic plate changing process is completed is.
  • DE 195 11 686 A 1 describes a method for changing printing plates described, in which the removal of the used printing plates also starts successively when a printing plate unclamping position is reached and continues while the remaining plate cylinders continue synchronously rotate. With printing units with the same phase angle, the removal can the used printing plates take place simultaneously. After removing all The printing plate becomes the plate cylinder of the first printing unit in a printing plate clamping position rotated and fed a new pressure plate. First after completing this process, the plate cylinder of another printing unit rotated to a printing plate clamping position and the next Plate change process initiated. One by one this way too the new printing plates are fed to the subsequent printing units.
  • the object of the invention is to develop a method by which is the automatic change of printing plates on all printing units at the same time can be done. On the use of a separate drive for the plate cylinder should be avoided. The task continues to be development a suitable device for implementing this method.
  • the invention has the advantage that it is through the inventive method is now possible with little effort, the printing plates on all printing units to switch at the same time.
  • the separate drive of each plate cylinder is not necessary anymore.
  • FIG. 1 three printing units 1.1, 1.2, 1.3 of a sheet-fed offset printing machine are shown.
  • Each of the printing units 1.1, 1.2, 1.3 consists of a sheet-guiding printing cylinder 6.1, 6.2, 6.3, which is operatively connected to two sheet-carrying transfer drums 7.1, 7.2, 7.3 .
  • a rubber cylinder 5.1, 5.2, 5.3 and, in turn, a plate cylinder 4.1, 4.2, 4.3 are assigned to each printing cylinder 6.1, 6.2, 6.3 .
  • the plate cylinders 4.1, 4.2, 4.3 are operatively connected to an inking unit 2.1, 2.2, 2.3 and a dampening unit 3.1, 3.2, 3.3 .
  • At least one printing plate, not shown here, is attached to each plate cylinder 4.1, 4.2, 4.3 .
  • the transfer drums 7.1, 7.2, 7.3, the pressure cylinders 6.1, 6.2, 6.3, the rubber cylinders 5.1, 5.2, 5.3 and the plate cylinders 4.1, 4.2, 4.3 with the assigned inking units 2.1, 2.2, 2.3 are connected to one another via a gear train. This is not shown in the figures. Only the drive wheel 11.1; 11.2, 11.3 of the plate cylinder 4.1, 4.2, 4.3 is indicated by a dashed line.
  • Each printing unit 1.1, 1.2, 1.3 is equipped with a fully automatic printing plate changing device 12.1, 12.2, 12.3 .
  • two printing units 1.2, 1.3 are equipped with a coupling 8.2, 8.3 . This is assigned to the drive shaft of the plate cylinder 4.2, 4.3 , not shown. In the exemplary embodiment, a switchable pin coupling is used.
  • the clutch 8.2, 8.3 is assigned a brake, not shown here.
  • a clutch-brake combination is used (not shown here).
  • a coupling half 101 is the plate cylinder drive wheel 11.1; 11.2, 11.3 (see FIG. 1) of the plate cylinder 4.2, 4.3 .
  • the other coupling half 102 is firmly connected to the plate cylinder 4.2, 4.3 .
  • Both coupling halves 101, 102 can be brought into engagement with one another in two snap-in positions, the snap-in position I and in the snap-in position II. This process takes place here by means of an electromagnetically actuated locking pin 9 .
  • a two-part tooth coupling applied.
  • the tooth pitch of such a clutch is designed so that the required snap-in positions are determined.
  • the coupling 8.2, 8.3 is designed specifically for each printing unit or for each in-phase printing unit.
  • a coupling 8.2, 8.3 must therefore be manufactured for each printing unit.
  • the snap-in positions correspond to the pressure position and the pressure plate change position or to the position of the gear train that is uniform for all printing units.
  • the plate cylinders 4.1, 4.2, 4.3 are in the printing position, that is to say when the sheet-fed offset printing press is operating as intended, in at least two different positions with respect to the wheel train. These positions are usually referred to as phase positions.
  • the clutch 8.2, 8.3 is locked in the locked position I.
  • the plate cylinders 4.2, 4.3 equipped with a clutch 8.2, 8.3 are each separated from their drive when the pressure plate change position is reached by actuating the clutch 8.2, 8.3 . That is, the plate cylinder 4.2, 4.3 is disengaged.
  • plate cylinders 4.1, 4.2, 4.3 of the printing units 1.1, 1.2, 1.3 of a sheetfed offset printing press do not have any common phase positions, this only affects one plate cylinder 4.1 , which is not separated from the main drive. In sheet-fed offset printing presses 1 with several identical phase positions, this affects all plate cylinders in one phase position.
  • the printing plates can now be changed simultaneously on all printing units 1.1, 1.2, 1.3 .
  • the plate cylinders 4.1, 4.2, 4.3 remain connected to the main drive for the time being.
  • the plate cylinders 4.2, 4.3 equipped with the clutch 8.2, 8.3 are separated from the gear train in succession or simultaneously.
  • the clutches 8.2, 8.3 reach their snap-in position I, ie the pressure position, the clutches 8.2, 8.3 are actuated and the connection to the drive is re-established.
  • the plate cylinders 4.2, 4.3 can be separated from their drive individually or together and only then can the main drive be put into operation again. The connection to the drive is then reestablished in the printing position for each plate cylinder 4.2, 4.3 separated from the drive.
  • a further embodiment of the method according to the invention differs from the above-mentioned form in that the plate cylinders 4.2, 4.3 are each separated from the drive when a uniform position for the wheel train which can be determined for all plate cylinders 4.1, 4.2, 4.3 is reached. As in the example given above, these are braked and / or positively fixed in this position. The plate cylinders 4.1 not separated from the drive are also stopped in this definable, uniform position. After all plate cylinders 4.1, 4.2, 4.3 have reached this uniform position relative to the gear train, the connection to the drive is restored. The plate cylinders 4.1, 4.2, 4.3 are brought into the pressure plate change position and the pressure plates are changed at the same time.
  • the plate cylinders 4.2, 4.3 are separated from their drive. In the position relative to the gear train, which the uncoupled plate cylinder 4.1 takes or which the decoupled plate cylinder 4.1 takes , the connection to the gear train is re-established for the decoupled plate cylinders 4.2, 4.3 . This means that the uncoupled plate cylinders 4.2, 4.3 are switched on again in such a way that all plate cylinders 4.1, 4.2, 4.3 now assume a uniform position with respect to the gear train. The plate cylinders 4.1, 4.2, 4.3 are now brought into the printing plate change position and stopped there. Then the printing plates are changed as described above.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP20030010034 2002-05-17 2003-05-02 Méthode et dispositif pour échanger des plaques d'impression Expired - Fee Related EP1362699B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10222002 2002-05-17
DE2002122002 DE10222002B4 (de) 2002-05-17 2002-05-17 Verfahren und Vorrichtung zum Wechseln von Druckplatten

Publications (3)

Publication Number Publication Date
EP1362699A2 true EP1362699A2 (fr) 2003-11-19
EP1362699A3 EP1362699A3 (fr) 2004-06-30
EP1362699B1 EP1362699B1 (fr) 2006-07-26

Family

ID=29265342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030010034 Expired - Fee Related EP1362699B1 (fr) 2002-05-17 2003-05-02 Méthode et dispositif pour échanger des plaques d'impression

Country Status (2)

Country Link
EP (1) EP1362699B1 (fr)
DE (2) DE10222002B4 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005040011C5 (de) * 2005-08-23 2021-03-18 manroland sheetfed GmbH Verfahren zum Betreiben einer Druckmaschine
JP2007062375A (ja) * 2005-08-30 2007-03-15 Heidelberger Druckmas Ag オフセット印刷機のための駆動装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0435413B1 (fr) 1989-12-26 1995-09-13 Komori Corporation Méthode et dispositif pour remplacer la plaque dans une machine d'impression
EP0533307B1 (fr) 1991-09-19 1996-03-13 Komori Corporation Procédé et dispositif pour changer et enrégistrer les clichés automatiquement
DE19511686A1 (de) 1995-03-30 1996-10-02 Heidelberger Druckmasch Ag Verfahren zum Wechseln von Druckplatten

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02103145A (ja) * 1988-10-13 1990-04-16 Mitsubishi Heavy Ind Ltd 印刷ユニット単独駆動装置
US5031773A (en) * 1990-06-15 1991-07-16 Eastman Kodak Company Photographic image set
DE4214228A1 (de) * 1992-04-30 1993-11-04 Kba Planeta Ag Feststelleinrichtung fuer zylinder und druckwerke
DE4223583B4 (de) * 1992-07-17 2005-02-24 Heidelberger Druckmaschinen Ag Verfahren zum Antreiben beim Plattenwechsel bei einer Bogendruckmaschine und Antrieb zur Durchführung des Verfahrens
DE19515077B4 (de) * 1995-04-28 2005-07-28 Heidelberger Druckmaschinen Ag Verfahren zum Bebildern einer Druckform auf einem Druckformzylinder in einem Druckwerk einer Rotationsdruckmaschine mit einem Farbwerk
DE19640649A1 (de) * 1996-10-02 1998-04-16 Roland Man Druckmasch Antrieb für eine Bogendruckmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0435413B1 (fr) 1989-12-26 1995-09-13 Komori Corporation Méthode et dispositif pour remplacer la plaque dans une machine d'impression
EP0533307B1 (fr) 1991-09-19 1996-03-13 Komori Corporation Procédé et dispositif pour changer et enrégistrer les clichés automatiquement
DE19511686A1 (de) 1995-03-30 1996-10-02 Heidelberger Druckmasch Ag Verfahren zum Wechseln von Druckplatten

Also Published As

Publication number Publication date
EP1362699B1 (fr) 2006-07-26
DE50304327D1 (de) 2006-09-07
DE10222002B4 (de) 2006-05-04
DE10222002A1 (de) 2003-12-04
EP1362699A3 (fr) 2004-06-30

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