EP0201747A2 - Dispositif pour tendre parallèlement les clichés sur le cylindre à cliché d'une machine à imprimer - Google Patents

Dispositif pour tendre parallèlement les clichés sur le cylindre à cliché d'une machine à imprimer Download PDF

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Publication number
EP0201747A2
EP0201747A2 EP86105310A EP86105310A EP0201747A2 EP 0201747 A2 EP0201747 A2 EP 0201747A2 EP 86105310 A EP86105310 A EP 86105310A EP 86105310 A EP86105310 A EP 86105310A EP 0201747 A2 EP0201747 A2 EP 0201747A2
Authority
EP
European Patent Office
Prior art keywords
tensioning
clamping
cylinder
parallel
rail
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
EP86105310A
Other languages
German (de)
English (en)
Other versions
EP0201747A3 (en
EP0201747B1 (fr
Inventor
Manfred Herold
Herbert Rebel
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
Priority to AT86105310T priority Critical patent/ATE49925T1/de
Publication of EP0201747A2 publication Critical patent/EP0201747A2/fr
Publication of EP0201747A3 publication Critical patent/EP0201747A3/de
Application granted granted Critical
Publication of EP0201747B1 publication Critical patent/EP0201747B1/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
    • B41F27/1225—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 substantially rectilinearly
    • B41F27/1231—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 substantially rectilinearly by translatory motion substantially tangential to support surface

Definitions

  • the invention relates to a device for parallel clamping of printing plates on the plate cylinder of printing machines according to the preamble of the first claim.
  • Such a device is known from DE-AS 2 200 187.
  • the disadvantage of this device is that the rear clamping rail is preferably arranged on the angular rail which can be displaced in the circumferential direction in the channel without means for lateral alignment, and from a relaxed position pushed forward against its channel wall with a quick-release mechanism with lever transmission in the cylinder circumferential direction only with an increased clamping path is tense.
  • This rail can be moved in the released state of the pressure plate in the direction of the channel wall opposite the rear tensioning rail and can be moved by an eccentric lever transmission from the channel wall, so that the pressure plate is tensioned by an eccentric adjustment by the rear tensioning rail.
  • any inequality in the released positions of the at least two tensioning screws distributed in the axial direction has an effect on the parallelism of the displacement of the rear tensioning rail to the channel wall when the plate is tensioned with the aid of the quick-action clamping mechanism. If the clamping screws in the rear clamping rail are not loosened exactly the same distance during the preparatory work for clamping a new pressure plate, then the rear clamping rail, which is not exactly guided sideways, is tilted during quick clamping and the rear pressure plate end is pulled obliquely, which means sensitive pressure plate means that it is stretched on one side and warps.
  • the quick release mechanism known from DE-PS 2 754 080 does not have a series connection of a quick release device for pre-tensioning and tensioning device for the final tensioning. In this way, tilting of the rear tensioning rail can be avoided, because the rapid mounting of the pressure plate with a precisely defined tension takes place with a single step by parallel guidance of the rear tensioning rail in the cylinder channel by means of a symmetrical scissor arm linkage.
  • this quick release device according to FIG.
  • a quick clamping device for parallel clamping in which an angle rail for clamping printing plates of different printing lengths is arranged to be adjustable and lockable in several fixed positions parallel to the printing end, but only a limited clamping force due to an on the angle rail acting leaf spring can be generated during quick clamping.
  • the device can be equipped with a split tensioning rail, but a section-wise correction of the printed image is not useful because a split rear tensioning rail is coupled again via the quick-action clamping device arranged symmetrically in the cylinder center plane. This means that the functions of quick clamping and final clamping cannot be separated, which means that undesired feedback on the clamping force is unavoidable.
  • the invention is therefore based on the object of providing a device which makes it possible, with defined clamping forces, for a rear continuous or divided clamping rail to be parallel to its channel wall To carry out quick clamping without impairing their function and shape for the final clamping via the quick clamping mechanism and to arrange the quick clamping mechanism as space-saving as possible in the plate cylinder.
  • the advantage of the device is that during quick clamping in connection with a rear split clamping rail, the pressure plate is clamped in parallel in order to achieve registration accuracy, but at the same time the known correction options of the printed image with a split clamping rail and the associated clamping screws are retained during final clamping.
  • the space-saving arrangement of the quick-release mechanism with quick-release eccentric leads to a minimum channel angle and thus to a maximum cylinder circumference for clamping the pressure plate.
  • the plate cylinder 1 of a printing press has means for fastening and tensioning printing plates in a cylinder channel 2. 1 and 2 as a front tensioning rail 3 divided over the length of the plate cylinder 1 and a correspondingly divided rear tensioning rail 4 and each arranged at the print start 5 and print end 6 of the cylinder channel 2.
  • the divided clamping rails 3, 4 are arranged in a known manner in the cylinder channel 2 and are actuated by means of clamping screws 10, 11.
  • the pressure plate front edge and the pressure plate rear edge are also clamped in a known manner by clamping devices 21, 22 (FIG. 2).
  • the quick-action clamping device consists of a pressure bar 9 arranged along the cylinder channel 2 in a recess 7 of the plate cylinder 1 which runs behind the channel wall 8 and runs parallel to this recess 7.
  • the pressure bar 9 is provided with an eccentric bolt arranged outside the cylinder center plane parallel to the tensioning screws 11 in the rear divided tensioning rail 4 12 along the Zylin derkanals 2 slidable.
  • a parallel movement in the direction of the rear tensioning rail 4 can be carried out from the pressure bar 9 via specially designed recesses 13 in the pressure bar 9 and corresponding elevations on a counterpart 15, which lie opposite the tensioning screws 11 supported under the action of a compression spring 16.
  • the elevations are preferably designed as a pressure roller 14.
  • the depressions 13 in the pressure bar 9 are formed with a slope according to FIG. 3 which is larger and then smaller at the beginning of the tensioning path and runs into a radius R.
  • the divided clamping rails 3, 4 are guided axially displaceably in the cylinder channel 2. 4, the setting angle ⁇ of the eccentric pin 12 is shown in a first position and in dashed lines in a second position, since the eccentric pin 12 carries out a compensating movement about the angle with the axial adjustment, while the pressure bar 9 remains in its position. With an appropriate design, the pressure bar 9 can also carry out the compensating movement.
  • the divided tensioning rails 3, 4 are guided in sections in the circumferential direction and parallel or obliquely to the cylinder axis, also overall, in a known manner.
  • FIG. 5 Another embodiment of the invention is shown in Fig. 5, which requires a slightly wider channel.
  • 5 consists of a common drive unit 16, which is mounted in a cylinder-fixed support wall 17 arranged between the front and rear clamping rails 3, 4.
  • a central adjustment 20 preferably a worm, chain or gear drive
  • the individual tensioning screws 11 can be taken along by means of friction elements 18 via friction surfaces 19, the rear tensioning rail 4 being tensionable in parallel.
  • the central adjustment 20 can also be designed to be disengaged or the like, so that no friction connection is required.
  • the shape and function of the usual, previously described clamping device for final clamping remains unchanged in this embodiment as well, so that the above-mentioned correction options cannot be restricted by the quick-clamping mechanism.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Ink Jet (AREA)
EP86105310A 1985-05-09 1986-04-17 Dispositif pour tendre parallèlement les clichés sur le cylindre à cliché d'une machine à imprimer Expired - Lifetime EP0201747B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86105310T ATE49925T1 (de) 1985-05-09 1986-04-17 Vorrichtung zum parallelen spannen von druckplatten auf dem plattenzylinder von druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3516682 1985-05-09
DE19853516682 DE3516682A1 (de) 1985-05-09 1985-05-09 Vorrichtung zum parallelen spannen von druckplatten auf dem plattenzylinder von druckmaschinen

Publications (3)

Publication Number Publication Date
EP0201747A2 true EP0201747A2 (fr) 1986-11-20
EP0201747A3 EP0201747A3 (en) 1987-12-23
EP0201747B1 EP0201747B1 (fr) 1990-01-31

Family

ID=6270245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105310A Expired - Lifetime EP0201747B1 (fr) 1985-05-09 1986-04-17 Dispositif pour tendre parallèlement les clichés sur le cylindre à cliché d'une machine à imprimer

Country Status (6)

Country Link
US (1) US4688484A (fr)
EP (1) EP0201747B1 (fr)
JP (1) JPH0825267B2 (fr)
AT (1) ATE49925T1 (fr)
BR (1) BR8602277A (fr)
DE (1) DE3516682A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0534214A1 (fr) * 1991-09-20 1993-03-31 Heidelberger Druckmaschinen Aktiengesellschaft Procédé et dispositif pour la correction de divergences trapézoidales des repères
US5398609A (en) * 1991-08-16 1995-03-21 Koenig & Bauer Aktiengesellschaft Device for tensioning and adjusting flexible printing plates on plate cylinders of rotary presses

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182994A (en) * 1989-08-04 1993-02-02 Komori Corporation Plate lockup apparatus for sheet-fed press
DE69030275T3 (de) * 1989-08-04 2000-12-21 Komori Printing Mach Druckplattenbefestigungsgerät für eine Bogendruckmaschine
DE3936459C1 (fr) * 1989-11-02 1991-04-18 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE3936458C1 (fr) * 1989-11-02 1991-04-11 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5199352A (en) * 1990-02-24 1993-04-06 Komori Corporation Plate lock-up device for printing press
DE4100408C1 (fr) * 1991-01-09 1992-05-14 Man Miller Druckmaschinen Gmbh, 6222 Geisenheim, De
DE4111636C1 (fr) * 1991-04-10 1992-07-30 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4214206C2 (de) * 1992-04-30 1995-06-29 Roland Man Druckmasch Vorrichtung zum Betätigen einer Klemmschiene gegenüber der Spannschiene des Plattenzylinders einer Rotationsdruckmaschine, insbesondere Bogenoffsetdruckmaschine
DE9207780U1 (fr) * 1992-06-10 1992-10-22 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5322014A (en) * 1992-08-25 1994-06-21 Keller James J Printing plate register system, device, and method
DE4326248C2 (de) * 1992-12-24 1996-05-15 Koenig & Bauer Albert Ag Spannvorrichtung in einer Rotationsdruckmaschine
GR960100252A (el) * 1996-07-17 1998-03-31 Μπαρες τσιγκων εκτυπωτικων μηχανων οσφετ για την ταχεια και σωστη τοποθετηση του τσιγκου επι του κυλινδρου (καζανι).
US5922406A (en) * 1996-10-11 1999-07-13 Ludford, Iii; Robert E. Coating method and apparatus
US6026746A (en) * 1998-09-22 2000-02-22 E. R. Smith Associates, Inc. Lock-up assembly for plate cylinders of rotary presses
DE19956833B4 (de) * 1999-11-12 2009-04-23 Dr. Johannes Heidenhain Gmbh Winkelmeßsystem
DE102008023728A1 (de) * 2008-05-15 2009-11-19 Koenig & Bauer Aktiengesellschaft Vorrichtung zur Korrektur der Lage einer Druckplatte
CN109773067A (zh) * 2019-02-28 2019-05-21 苏州欧方电子科技有限公司 精密钢片张紧装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795193A (en) * 1971-04-30 1974-03-05 Polygraph Leipzig Kom Veb Device for rapidly and precisely mounting flexible printing plates
DE2501511A1 (de) * 1975-01-16 1976-07-22 Maschf Augsburg Nuernberg Ag Vorrichtung zum befestigen einer biegsamen druckplatte auf dem plattenzylinder einer rotationsdruckmaschine
JPS5967055A (ja) * 1982-10-09 1984-04-16 Komori Printing Mach Co Ltd 枚葉輪転印刷機の版万力装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1922749C3 (de) * 1969-05-03 1974-05-16 Roland Offsetmaschf Vorrichtung zur Befestigung einer Druckplatte auf dem Formzylinder einer Druckmaschine
DE2200187C3 (de) * 1971-01-28 1981-05-07 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Vorrichtung zum lagegenauen Schnellaufspannen von flexiblen Druckplatten
US3752075A (en) * 1971-04-26 1973-08-14 Wood Industries Inc Flexible printing plate clamping device
DE2225016C3 (de) * 1972-05-23 1976-01-29 Koenig & Bauer Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf formzylinder von rotationsdruckmaschinen
US3908546A (en) * 1972-10-16 1975-09-30 Motter Printing Press Co Plate clamping mechanism for printing cylinder
AT324361B (de) * 1973-03-01 1975-08-25 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen biegsamer druckplatten
JPS5338413Y2 (fr) * 1973-09-18 1978-09-18
DE2431133A1 (de) * 1974-06-28 1976-01-15 Roland Offsetmaschf Druckplatten-spannvorrichtung
DE2754080C3 (de) * 1977-12-05 1982-01-07 Registersystem für die Drucktechnik GmbH, 8000 München Vorrichtung zum registerhaltigen Spannen von Druckplatten auf dem Plattenzylinder von Druckmaschinen
DE3127586C1 (de) * 1981-07-13 1982-12-09 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Spannvorrichtung zum Spannen von Druckplatten auf dem Plattenzylinder einer Druckmaschine
DE3315488A1 (de) * 1983-04-28 1984-10-31 Albert-Frankenthal Ag, 6710 Frankenthal Vorrichtung zum spannen von druckplatten
CH653616A5 (fr) * 1983-07-26 1986-01-15 De La Rue Giori Sa Procede de fixation et d'ajustage d'une plaque d'impression sur un cylindre porte-plaques et dispositif de mise en oeuvre.
JPS6032033U (ja) * 1983-08-10 1985-03-05 三菱重工業株式会社 印刷機の版締装置
DE3470688D1 (en) * 1983-11-14 1988-06-01 De La Rue Giori Sa Plate cylinder with a device for affixing gravure printing plates for a web-printing machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795193A (en) * 1971-04-30 1974-03-05 Polygraph Leipzig Kom Veb Device for rapidly and precisely mounting flexible printing plates
DE2501511A1 (de) * 1975-01-16 1976-07-22 Maschf Augsburg Nuernberg Ag Vorrichtung zum befestigen einer biegsamen druckplatte auf dem plattenzylinder einer rotationsdruckmaschine
JPS5967055A (ja) * 1982-10-09 1984-04-16 Komori Printing Mach Co Ltd 枚葉輪転印刷機の版万力装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 8, Nr. 174 (M-316)(1611), 10 August 1984 & JP-A-59 067 055 (KOMORI INSATSU KIKAI K.K.) 16-04-1984 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398609A (en) * 1991-08-16 1995-03-21 Koenig & Bauer Aktiengesellschaft Device for tensioning and adjusting flexible printing plates on plate cylinders of rotary presses
EP0534214A1 (fr) * 1991-09-20 1993-03-31 Heidelberger Druckmaschinen Aktiengesellschaft Procédé et dispositif pour la correction de divergences trapézoidales des repères

Also Published As

Publication number Publication date
EP0201747A3 (en) 1987-12-23
BR8602277A (pt) 1987-01-21
JPS6211648A (ja) 1987-01-20
ATE49925T1 (de) 1990-02-15
US4688484A (en) 1987-08-25
EP0201747B1 (fr) 1990-01-31
DE3516682A1 (de) 1986-11-13
DE3516682C2 (fr) 1988-06-01
JPH0825267B2 (ja) 1996-03-13

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