EP1116584B1 - Procédé pour alimenter avec précision des plaques d'impression à partir d'un magasin de plaques - Google Patents

Procédé pour alimenter avec précision des plaques d'impression à partir d'un magasin de plaques Download PDF

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Publication number
EP1116584B1
EP1116584B1 EP01100482A EP01100482A EP1116584B1 EP 1116584 B1 EP1116584 B1 EP 1116584B1 EP 01100482 A EP01100482 A EP 01100482A EP 01100482 A EP01100482 A EP 01100482A EP 1116584 B1 EP1116584 B1 EP 1116584B1
Authority
EP
European Patent Office
Prior art keywords
plate
printing
printing plate
clamping device
pressure plate
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.)
Expired - Lifetime
Application number
EP01100482A
Other languages
German (de)
English (en)
Other versions
EP1116584A1 (fr
Inventor
Jentzsch Arndt
Uwe Becker
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 EP1116584A1 publication Critical patent/EP1116584A1/fr
Application granted granted Critical
Publication of EP1116584B1 publication Critical patent/EP1116584B1/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
    • B41F27/1206—Feeding to or removing from the forme cylinder

Definitions

  • the invention relates to a method for accurate registration of printing plates from a Disk magazine in which the printing plate is provided in the disk magazine and the Purposes of printing plate change released by this, by funding between a arranged in an axis-parallel channel of the plate cylinder clamping rail pair a Clamping spent and there the desired position of the pressure plate by their contact with two test points is checked and, if the pressure plate is not the target position in the Clamping achieved, the conveyor then releases the pressure plate.
  • From DE 44 39 623 C2 is a method for automatically feeding printing plates become known for the plate cylinder of a printing machine, in which by means of funding are in contact with the pressure plate, the leading edge of the pressure plate in a clamping rail the plate cylinder is inserted. There is the register-correct position of the printing plate checked. This is done at two spaced apart in the axial direction of the plate cylinder Places in the clamping rail. If this is given, that is, the pressure plate is at both Places on a arranged there for this purpose dowel pin, the pressure plate is in the clamping rail fixed. Is not the case and the pressure plate is only on a dowel pin On, is for a given time interval releasing the printing plate by the funding triggered. The pressure plate now has the opportunity to relax and get up Reason of their own weight to take a new orientation. After that, the contact becomes restored between pressure plate and conveyors and the pressure plate back in Promoted towards the dowel pins.
  • a further disadvantage is that not all conveyor systems are suitable, a brief release and realize a subsequent repeated gripping of the printing plate.
  • the object of the invention is to avoid the above-mentioned disadvantages To develop a method by which achieves a register-containing position in the clamping rail and the printing plate undergoes a minimal mechanical stress.
  • the advantage of the solution according to the invention is that now the automatic Feeding the printing plates can be made more secure.
  • the faulty layers of the printing plate can be corrected without manual intervention by the operator
  • the device required for the realization of the method according to the invention is in the Figure 1 shown.
  • a disk magazine 2 is a Intermediate pressure plate 1. This rests there on two at a distance from each other Pre-pass pins 21a; 21b, with the punched-12a, 12b (see the figures 2 to 4) of the printing plate 1 correspond.
  • the disk magazine 2 is in its rest position firmly attached to the frame of the printing press, not shown.
  • a plate cylinder 4 This is intended to be on his Surface record the supplied from the disk magazine 2 printing plates 1.
  • a plate cylinder channel 41 at its periphery in the axis-parallel direction arranged.
  • a clamping device 5 This consists from an upper clamping rail 52 and a lower clamping rail 51.
  • the upper clamping rail 52 is fixedly arranged on the plate cylinder channel 41.
  • the lower clamping rail 51 is against the upper clamping rail 52 for clamping the pressure plate 1 slidably.
  • the clamping device 5 are in the region of the clamping rails 51, 52 associated with dowel pins 54a, 54b. From Figures 2 to 4 it can be seen that the dowel pins 54a, 54b in a finite, the distance between the pre-dowels 21a; 21b corresponding distance to each other are arranged.
  • a clamping and tensioning device 6 is mounted in the plate cylinder channel 41.
  • Figure 1 is shown only hinted at.
  • the clamping and tensioning device 6 serves to receive the end of the printing plate. 1
  • the plate cylinder 4 is positioned so that a constellation arises which allows the insertion of a pressure plate 1 in the clamping device 5. This position is shown in FIG.
  • the printing plate 1 is prepositioned in the disk magazine 2 by the pre-dowel pin system.
  • a printing plate 1 is released from the disc magazine 2, by retracting the pre-dowel pins 21a, 21b.
  • As conveyors are in the embodiment suckers 3 provided. But there are also transport wheels and other facilities possible. These grasp the pressure plate 1 and convey it from the disc magazine 2 in the direction of the open Clamping device 5.
  • the lower clamping rail 51 is from the upper Retained clamping rail 52 and is located from the upper clamping rail 52 in the furthest away.
  • the contact points dowel pin 54a / punch 12a and dowel pin 54b / punch 12b interrogated independently. This can be differentiated whether an attachment at both contact points, at one of the contact points or is given at any of the contact points.
  • the pressure plate 1 by the sucker 3 back into the Disk magazine 2 promoted.
  • the contact between the sucker 3 and the pressure plate 1 interrupted in any phase, that is, until this time, the sucker remains 3 with the pressure plate 1 in contact.
  • the pressure plate 1 is stored. The filing takes place again on the pre-dowel pins 21a, 21b.
  • the printing plate 1 now has Opportunity to reposition yourself and may for a second if required also be taken for further experiments from the disk magazine 2.
  • the contact between the sucker 3 and the pressure plate 1 is interrupted and the sucker 3 moves back to its original position without pressure plate 1.
  • External means of moving the printing plate 1 are associated with this and promote the printing plate 1 on the clamping device 5.
  • These external means can be gummed, for example Rollers or conveyor belts, which are brought into contact with the pressure plate 1 and promote them in the direction of the clamping device 5.
  • Another possibility is not the pressure plate 1 in the direction of the clamping device 5, but the clamping device 5 itself in the direction of the pressure plate 1 to move. This can be done by the clamping device 5 by a here not shown mechanism from the periphery of the plate cylinder 4 out in the direction the printing plate 1 is moved. But it is also possible to rotate the plate cylinder 4 and so as to guide the plate cylinder 4 including the clamping device 5 to the printing plate 1. Again, after a finite number of failed attempts aborted.
  • Another embodiment of the invention is by means known per se after loosening the sucker 3, the pressure plate 1 or the clamping device 5 by suitable electromagnetic or pneumatic means to vibrate and after a reasonable time to recheck the position of the printing plate 1. Again, you can several attempts will be required.
  • the measures described above become one with another combined.
  • the pressure plate 1 is vibrated and at the same time the clamping device 5 with or without the plate cylinder 4 several times be guided in the direction of the printing plate 1.
  • the register Target position of the printing plate 1 is achieved, in the course of the further procedure the clamping device 5 is closed.
  • the plate cylinder 4 starts to rotate, wherein a roller, not shown, is employed at its periphery. This roller irons the Pressure plate 1 on the plate cylinder 4 and ensures their smooth contact with the surface of the plate cylinder 4.
  • a roller not shown
  • An unrepresented Mechanism exerts a tangentially directed force on the clamping rails of the clamping device out, so that thereby the pressure plate 1 is tensioned.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)

Claims (6)

  1. Procédé pour amener en position précise des plaques d'impression (1) en provenance d'un magasin de plaques (2), dans lequel la plaque d'impression (1), préparée dans le magasin de plaques et libérée de ce dernier pour le changement de plaque d'impression, est placée par des moyens de transport (3) entre une paire de barres de serrage (51 ; 52) appartenant à un dispositif de serrage (5) disposées dans une rainure (41) du cylindre porte-plaque (4) parallèle à l'axe et, la position de consigne de la plaque d'impression (1) est alors contrôlée par contact avec deux positions de contrôle (54a ; 54b) et, si la plaque d'impression (1) n'atteint pas la position de consigne dans le dispositif de serrage (5), le moyen de transport (3) relâche la plaque d'impression (1),
    caractérisé en ce que
    le moyen de transport (3) revient en position de départ et la plaque d'impression (1) et les barres de serrage (51, 52) sont mises en contact par d'autres moyens de transport appropriés et/ou la plaque d'impression (1) ou le dispositif de serrage (5) sont mis en vibration.
  2. Procédé pour amener en position précise des plaques d'impression (1) en provenance d'un magasin de plaques selon la revendication 1,
    caractérisé en ce que
    ces moyens précités saisissent la plaque d'impression (1) et l'amènent dans la position de consigne.
  3. Procédé pour acheminer en position précise des plaques d'impression (1) en provenance d'un magasin de plaques selon la revendication 2,
    caractérisé en ce que
    des rouleaux caoutchoutés sont prévus en tant que moyens appropriés pour amener les plaques d'impression (1).
  4. Procédé pour amener en position précise des plaques d'impression (1) en provenance d'un magasin de plaques selon la revendication 1,
    caractérisé en ce que
    le cylindre porte-plaque (4), avec le dispositif de serrage (5) sont mis en mouvement en sens inverse de l'amenée de la plaque d'impression (1).
  5. Procédé pour amener en position précise des plaques d'impression (1) en provenance d'un magasin de plaques selon les revendications 1 et 4,
    caractérisé en ce que
    seul le dispositif de serrage (5) est mis en mouvement en sens inverse de l'amenée de la plaque d'impression (1).
  6. Procédé pour amener en position précise des plaques d'impression (1) en provenance d'un magasin de plaques selon la revendication 1,
    caractérisé en ce que
    la plaque d'impression (1) ou le dispositif de serrage (5) est mis en vibration par des moyens électromagnétiques ou pneumatiques appropriés.
EP01100482A 2000-01-14 2001-01-09 Procédé pour alimenter avec précision des plaques d'impression à partir d'un magasin de plaques Expired - Lifetime EP1116584B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10001320 2000-01-14
DE10001320A DE10001320A1 (de) 2000-01-14 2000-01-14 Verfahren zum lagegenauen Zuführen von Druckplatten aus einem Plattenmagazin

Publications (2)

Publication Number Publication Date
EP1116584A1 EP1116584A1 (fr) 2001-07-18
EP1116584B1 true EP1116584B1 (fr) 2005-10-19

Family

ID=7627502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100482A Expired - Lifetime EP1116584B1 (fr) 2000-01-14 2001-01-09 Procédé pour alimenter avec précision des plaques d'impression à partir d'un magasin de plaques

Country Status (3)

Country Link
EP (1) EP1116584B1 (fr)
AT (1) ATE307026T1 (fr)
DE (2) DE10001320A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004042268A1 (de) * 2004-09-01 2006-03-02 Koenig & Bauer Ag Verfahren zum Zuführen einer in einem Plattenmagazin bereitgestellten Druckplatte
DE102009012147A1 (de) 2008-03-27 2009-10-01 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum Zuführen von Druckplatten zu einem Plattenzylinder einer Verarbeitungsmaschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8915693U1 (fr) * 1989-12-09 1991-03-07 Koenig & Bauer Ag, 8700 Wuerzburg, De
JPH08501037A (ja) * 1992-09-18 1996-02-06 ケーニッヒ ウント バウエル アクチエンゲゼルシャフト 版板を供給しかつ排出する装置

Also Published As

Publication number Publication date
DE10001320A1 (de) 2001-07-19
DE50107718D1 (de) 2005-11-24
EP1116584A1 (fr) 2001-07-18
ATE307026T1 (de) 2005-11-15

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