EP0401500A2 - Dispositif pour positionner un cliché flexible sur le cylindre porte-plaque d'une machine à imprimer rotalive - Google Patents

Dispositif pour positionner un cliché flexible sur le cylindre porte-plaque d'une machine à imprimer rotalive Download PDF

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Publication number
EP0401500A2
EP0401500A2 EP90107607A EP90107607A EP0401500A2 EP 0401500 A2 EP0401500 A2 EP 0401500A2 EP 90107607 A EP90107607 A EP 90107607A EP 90107607 A EP90107607 A EP 90107607A EP 0401500 A2 EP0401500 A2 EP 0401500A2
Authority
EP
European Patent Office
Prior art keywords
plate
bending rod
link
cylinder body
register
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.)
Withdrawn
Application number
EP90107607A
Other languages
German (de)
English (en)
Other versions
EP0401500A3 (fr
Inventor
Bernhard Dipl.-Ing. Roskosch
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0401500A2 publication Critical patent/EP0401500A2/fr
Publication of EP0401500A3 publication Critical patent/EP0401500A3/fr
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/16—Registering devices with means for displacing the printing formes on the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/40—Adjusting means for printing plates on the cylinder
    • B41P2227/43—Adjusting means for printing plates on the cylinder diagonally

Definitions

  • the invention relates to a device for adjusting flexible printing plates on the plate cylinder of rotary printing presses with clamping rails, in which both plate ends are clamped, with link levers on which the clamping rails are articulated at their two ends, the link levers being pivotally mounted on the cylinder body and the tensioning rails connected in this way can be adjusted relative to one another via control means in such a way that the pressure plate is rotated by a precisely defined pivot point in order to correct the register or register.
  • a known version of this type (DE-OS 36 04 209) uses a control cam to rotate the pressure plate, which acts on a tensioning rail via a roller lever and pivots it.
  • the pressure plate is briefly relaxed in the known embodiment and clamped again on the plate cylinder after adjustment.
  • the consequence of this is that the applicator rollers have to be stopped for a short time, so that the printing of the machine is interrupted. This can lead to disturbances in the ink-water balance and thus to an unwanted change in the printing result.
  • a Tension transmitting member is provided, which can be deflected by an adjusting means, such that the link lever is rotated by the change in length of the link and thus both tensioning rails are adjusted relative to each other.
  • the deflection of the link transmitting the clamping force achieves such a high power transmission that the plate clamping rails and thus the pressure plate can be rotated in the clamped state.
  • This has the great advantage that the register or register can be adjusted during production without the side or circumferential register adjustment being impaired or having to be adjusted. If necessary, the plate can also be stretched in the circumferential direction in order, for example, to be able to compensate for lengthening of paper due to the dampening agent, without the stretching being impaired by a register correction according to the present invention.
  • the member transmitting a clamping force is designed as a bending rod which can be deflected out of the straight line by an actuator via a threaded spindle with an adjusting nut.
  • small adjustment movements can be carried out via remote control, so that a very sensitive and exact setting of the register is possible.
  • the use of a bending rod enables a very large force transmission. It is advantageous if the adjusting nut engages approximately in the middle of the bending rod.
  • the bending rod transmits tensile forces and is designed to be adjustable on its holder on the cylinder body.
  • a bending rod that is subjected to tension can be dimensioned relatively thin and yet transmits very high forces.
  • a spring is provided to eliminate bearing play and to reset the link levers, the force of which is the tensile force counteracts the bending rod. As a result, the entire adjusting mechanism is free of play and wear and is self-locking.
  • the plate cylinder 1 shown in FIG. 1 consists of a cylinder body 2 with steering knuckles 3, 4, which are rotatably supported by bearings 5 in the machine side frames 6, 7.
  • two bearer rings 8 are provided on both sides of the cylinder body, which roll on the bearer rings of a cylinder interacting with the plate cylinder 1.
  • a flexible pressure plate 9 is clamped on the cylinder body 2 via clamping rails 10, 11 (FIGS. 3 and 4). Both clamping rails 10, 11 are arranged in a pit 12 in the cylinder body 2.
  • both tensioning rails 10, 11 are articulated at their two ends via a respective articulation lever 13, 14.
  • the articulated levers 13, 14 are pivotally mounted in the pit 12 of the cylinder body 2 on bearing bolts 15.
  • Each bearing pin 15 is fastened to the bottom of the pit 12 with a thread 16.
  • a fitting sleeve 17 is provided which, in conjunction with a disc 18, ensures exact guidance of the articulation lever 13, 14 (FIG. 3).
  • the flexible pressure plate 9 to be clamped on the cylinder jacket is angled at its two plate ends 20, 21 and is hung with the angled part on the tensioning rails 10, 11 (FIG. 3).
  • the two angled plate ends 20, 21 are held by pressure pieces 22 in order to prevent undesired sliding out.
  • a plurality of compression springs 23 are provided between the tensioning rails 10, 11 and the cylinder body 2 for tensioning the pressure plate 9. These are arranged in recesses 24 on the cylinder body 2 and in receptacles 25 on the tensioning rails 10, 11.
  • the clamping rails 10, 11, which are connected to one another via the link levers 13, 14, are adjustable relative to one another in such a way that the pressure plate 9 is rotated to correct the register or the register by a precisely defined pivot point, so that in addition to the circumferential and lateral register adjustment, a rotation is also performed the printing plate can be carried out on the plate cylinder.
  • the tensioning of the pressure plate 9 on the cylinder body 2 takes place by pivoting at least one tensioning rail 10 via a roller 26 and takes place independently of the device according to the invention.
  • a link transmitting a clamping force preferably a bending rod 27, is provided between a link lever 13 and the cylinder body 2 and can be deflected by an adjusting means, which can be an actuator 28.
  • an adjusting means which can be an actuator 28.
  • the pressure plate 9 is clamped on the cylinder body 2 and that in a middle position the bending rod 27 is arranged stretched between the link lever 13 and a holder 29 on the cylinder body 2.
  • the bending rod 27 is deflected from the straight line, there is a change in length, ie a shortening of the distance between the holder 29 and the articulation lever 13, so that the articulation lever 13 is pivoted.
  • the two tensioning rails 10, 11 are adjusted relative to one another and thereby the pressure plate on the cylinder body 2 is rotated.
  • the holder 29 is guided in a bore 30 in the cylinder body 2 and can be adjusted via adjusting nuts 31 so that the bending rod 27 can be aligned in a certain position.
  • the bending rod 27 can be fastened to the holder 29 by welding.
  • the bending rod 27 At the end of the bending rod 27 opposite the holder, it is also preferably connected to a bearing body 32 by welding.
  • This bearing body 32 is screwed to the articulation lever 13 via a fitting screw 33, so that a pivoting movement of the articulation lever 23 can be initiated via the bending rod 27 (FIGS. 2 and 3).
  • an adjusting nut 34 engages, which can be adjusted by the threaded spindle 35 of the servomotor 28, so that the bending rod 27 is deflected out of the straight line.
  • the servomotor 28, which can be connected to a reduction gear, is attached to the bottom of the pit 12 via flanges 36 and screws 37.
  • a recess 38 in the bottom of the pit 12 serves to receive the servomotor 28.
  • the adjusting nut 34 is arranged in a slot 39 in the bending rod 27 so that it can perform an actuating movement.
  • the deflection of the bending rod 27 tensile forces occurring according to the described configuration are so high that the pressure plate can be rotated on the cylinder body 2 even in the clamped state.
  • other means which transmit tensile or compressive forces can also be used.
  • a tab 40 is provided on the articulation lever 13, on which a compression spring 41 engages.
  • the compression spring 41 is supported on a spring rod 42 which is fastened to the cylinder body 2 via adjusting nuts 43.
  • the force of the compression spring 41 counteracts the tensile force of the bending rod 27, so that a play-free adjustment of the pressure plate is ensured and the link levers 13, 14 are moved back into their starting position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP19900107607 1989-06-03 1990-04-21 Dispositif pour positionner un cliché flexible sur le cylindre porte-plaque d'une machine à imprimer rotalive Withdrawn EP0401500A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3918215A DE3918215C1 (fr) 1989-06-03 1989-06-03
DE3918215 1989-06-03

Publications (2)

Publication Number Publication Date
EP0401500A2 true EP0401500A2 (fr) 1990-12-12
EP0401500A3 EP0401500A3 (fr) 1991-04-10

Family

ID=6382047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900107607 Withdrawn EP0401500A3 (fr) 1989-06-03 1990-04-21 Dispositif pour positionner un cliché flexible sur le cylindre porte-plaque d'une machine à imprimer rotalive

Country Status (5)

Country Link
US (1) US5088409A (fr)
EP (1) EP0401500A3 (fr)
JP (1) JPH0375146A (fr)
CA (1) CA2018128C (fr)
DE (1) DE3918215C1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254290A (en) * 1991-03-02 1992-10-07 Heidelberger Druckmasch Ag Plate cylinder of a rotary printing press
EP0507635A1 (fr) * 1991-04-05 1992-10-07 A.B. Dick Company Système de serrage des clichés pour une machine à polycopier
DE4214167A1 (de) * 1992-04-30 1993-11-04 Roland Man Druckmasch Vorrichtung zum schraenken von druckplatten auf dem plattenzylinder von druckmaschinen, insbesondere bogenoffsetdruckmaschinen
FR2713141A1 (fr) * 1993-12-04 1995-06-09 Heidelberger Druckmasch Ag Dispositif d'orientation de plaques flexibles d'impression sur le cylindre porte-plaque de machines rotatives à imprimer.
DE4140022C5 (de) * 1991-11-26 2007-01-25 Shinohara Machinery Co., Ltd. Vorrichtung zum Spannen einer Druckplatte auf einen Plattenzylinder einer Druckmaschine
DE102019101172A1 (de) 2019-01-17 2020-07-23 Koenig & Bauer Ag Formzylinder mit Haltevorrichtung und ein Flexo-Auftragwerk
EP3771563A1 (fr) 2019-08-02 2021-02-03 Koenig & Bauer AG Cylindre porte-forme d'impression et procédé d'ajustement d'une force de serrage dans un dispositif de maintien
DE102020123196A1 (de) 2020-09-04 2022-03-10 Kolbus Gmbh & Co. Kg Vorrichtung zum Spannen eines bogenförmigen Walzenbezugs um eine Walze

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4111636C1 (fr) * 1991-04-10 1992-07-30 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4210897C1 (fr) * 1992-04-02 1993-08-12 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
WO1994008626A1 (fr) * 1992-10-16 1994-04-28 Andreas Sachse Procede et dispositif de preparation de systemes disperses liquides
DE4306139C2 (de) * 1993-02-27 1996-10-10 Heidelberger Druckmasch Ag Vorrichtung zur Durchführung von Arbeitsschritten in einem Zylinder einer Druckmaschine
DE19515843C1 (de) * 1995-04-29 1996-06-27 Heidelberger Druckmasch Ag Vorrichtung zum Spannen einer Druckplatte auf einem Plattenzylinder von Rotationsdruckmaschinen
JP4734114B2 (ja) * 2005-12-28 2011-07-27 アキヤマインターナショナル株式会社 多色刷枚葉印刷機の見当調整装置及びその見当調整方法
SE0602709L (sv) * 2006-12-18 2007-10-09 Berg Ind Ab Anordning för uppspänning och snedställning av klichémontage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604209A1 (de) * 1986-02-11 1987-08-13 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1536954B2 (de) * 1966-04-07 1971-08-12 Adamovske strojirny, N P , Adamov (Tschechoslowakei) Einrichtung zur gleichsinnigen schwenkverstellung der beiden enden einer biegsamen druckplatte
US4459913A (en) * 1982-08-17 1984-07-17 A. B. Dick Company Adjustment structure for master holder
DE3606351A1 (de) * 1986-02-27 1987-09-03 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen
DE3866063D1 (de) * 1987-08-25 1991-12-12 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen.
DE3731642A1 (de) * 1987-09-19 1989-03-30 Koenig & Bauer Ag Plattenschraenkvorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604209A1 (de) * 1986-02-11 1987-08-13 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254290A (en) * 1991-03-02 1992-10-07 Heidelberger Druckmasch Ag Plate cylinder of a rotary printing press
EP0507635A1 (fr) * 1991-04-05 1992-10-07 A.B. Dick Company Système de serrage des clichés pour une machine à polycopier
DE4140022C5 (de) * 1991-11-26 2007-01-25 Shinohara Machinery Co., Ltd. Vorrichtung zum Spannen einer Druckplatte auf einen Plattenzylinder einer Druckmaschine
DE4214167A1 (de) * 1992-04-30 1993-11-04 Roland Man Druckmasch Vorrichtung zum schraenken von druckplatten auf dem plattenzylinder von druckmaschinen, insbesondere bogenoffsetdruckmaschinen
FR2713141A1 (fr) * 1993-12-04 1995-06-09 Heidelberger Druckmasch Ag Dispositif d'orientation de plaques flexibles d'impression sur le cylindre porte-plaque de machines rotatives à imprimer.
DE102019101172A1 (de) 2019-01-17 2020-07-23 Koenig & Bauer Ag Formzylinder mit Haltevorrichtung und ein Flexo-Auftragwerk
EP3771563A1 (fr) 2019-08-02 2021-02-03 Koenig & Bauer AG Cylindre porte-forme d'impression et procédé d'ajustement d'une force de serrage dans un dispositif de maintien
DE102019120961A1 (de) * 2019-08-02 2021-02-04 Koenig & Bauer Ag Formzylinder, Flexo-Auftragwerk und Verfahren zur Anpassung einer Spannkraft in einer Haltevorrichtung
DE102020123196A1 (de) 2020-09-04 2022-03-10 Kolbus Gmbh & Co. Kg Vorrichtung zum Spannen eines bogenförmigen Walzenbezugs um eine Walze
WO2022048933A1 (fr) 2020-09-04 2022-03-10 Kolbus Gmbh & Co. Kg Dispositif pour serrer un revêtement de cylindre arqué autour d'un cylindre
US11945210B2 (en) 2020-09-04 2024-04-02 Kolbus Gmbh & Co. Kg Device for mounting a sheet-like roller cover on a roller

Also Published As

Publication number Publication date
CA2018128A1 (fr) 1990-12-03
DE3918215C1 (fr) 1990-11-08
CA2018128C (fr) 1993-10-05
US5088409A (en) 1992-02-18
JPH0375146A (ja) 1991-03-29
EP0401500A3 (fr) 1991-04-10

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