EP0308799A2 - Dispositif à fixer les clichés - Google Patents

Dispositif à fixer les clichés Download PDF

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Publication number
EP0308799A2
EP0308799A2 EP88115052A EP88115052A EP0308799A2 EP 0308799 A2 EP0308799 A2 EP 0308799A2 EP 88115052 A EP88115052 A EP 88115052A EP 88115052 A EP88115052 A EP 88115052A EP 0308799 A2 EP0308799 A2 EP 0308799A2
Authority
EP
European Patent Office
Prior art keywords
plate
lever
levers
pin
plate cylinder
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
EP88115052A
Other languages
German (de)
English (en)
Other versions
EP0308799B1 (fr
EP0308799A3 (en
Inventor
Erich Georg Wieland
Willi Richard Ludwig Dörsam
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 EP0308799A2 publication Critical patent/EP0308799A2/fr
Publication of EP0308799A3 publication Critical patent/EP0308799A3/de
Application granted granted Critical
Publication of EP0308799B1 publication Critical patent/EP0308799B1/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
    • 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
    • B41F27/005—Attaching and registering printing formes to supports
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/36—Means for registering or alignment of print plates on print press structure

Definitions

  • the invention relates to a device for setting printing plates according to the preamble of patent claim 1.
  • the invention has for its object to provide a device for setting a plate mounted in plate clamping and clamping elements pressure plate, in which the current pivot point of the pressure plate freely selectable, but preferably is fixed in the vicinity of a register cross.
  • An axially parallel pit 2 is incorporated in a plate cylinder 1 in a known manner.
  • a double-armed but one-piece lever 4 is provided in the vicinity of a left end 3 of the pit 2.
  • the lever 4 is rotatably mounted about a pin 7.
  • the pin 7 is fitted into a holder 5 fastened to the base 6 of the pit.
  • the lever 4 has a bore 8 in its center into which the pin 7 engages.
  • the bore 8 is arranged exactly in the middle of the one-piece lever 4.
  • the lever 4 must be made in two parts due to the geometric conditions of a four-bar linkage, for example, a coaxial mounting of the two lever arms f and h can take place (Fig. 3).
  • a second lever 11 is provided on a right end 9 of the pit 2. Like the lever 4, it is also rotatably mounted about a pin 16 fitted into a holder 10.
  • the bracket 10 is attached to the pit base 6.
  • the lever 11 has the shape of a cross, which has a bearing bore 14 at its foot end for receiving the pin 16.
  • the cross lever 11 has an opening 18 in its head end designed as a pointer tip 20 Inclusion of an eccentric 19.
  • the pointer tip 20 is directed to a scale 21 arranged transversely to the pit and together with it forms a display for the adjustment.
  • a rotation of the eccentric 19 causes the cross lever 11 to pivot about the pin 16 and thus entangles the device or pressure plates 42.
  • the cross lever 11 also has two lever arms 22, 23.
  • Both lever arms 22, 23 each have a vertical bearing journal 24, 26 at their end.
  • pit 2 two coupling pits 27, 28 of almost pit length are arranged on pit base 6 so as to be displaceable in all directions.
  • An upper guide against the sliding out of the coupling plates 27, 28 from the pit 2 is in each case by a lateral groove 15; 17 formed in the pit side walls and a projection 25 in the brackets 5, 10, in which the coupling plates 27, 28 engage with sufficient lateral play, so that a displacement in the axial and circumferential directions is ensured.
  • On the coupling plates 27, 29 a pressure plate clamping and tensioning device 12; 13 attached, which is not described in detail.
  • the coupling plate 27 is provided with two vertical bearing bores 29, 31.
  • a bearing pin 35 arranged at the end of a first arm 32 of the lever 4 engages in the bearing bore 29.
  • the bearing pin 24 of the lever arm 22 engages in the second bearing bore 31.
  • the coupling plate 28 is provided with vertical bearing bores 36, 37.
  • a bearing pin 39 fitted on one end of a second arm 33 of the lever 4 engages in the bearing bore 36.
  • the bearing pin engages in the second bearing bore 37 26 of the lever arm 23.
  • the levers 4 and 11 are designed so that the coupling plates 27, 28 run parallel to one another.
  • the extensions a, b, c, d of the connecting lines e, f, g, h intersect at a point A, where g is the connection between pin 16 and pin 24, e the connection between pin 16 and pin 26, h and f denote the levers 32 and 33 respectively.
  • the point A can be chosen as desired depending on the design of the lever arms 4, 11, but is preferably in the vicinity of a register cross 41.
  • the eccentric 19 is rotated.
  • the dimension for the rotation can be read off immediately by means of the display 20, 21.
  • the cross lever 11 is pivoted by the eccentric 19 around the pin 16 and acts via its lever arms 22, 23 directly on the coupling plates 27, 28, which are thereby displaced parallel to one another so that a rotation of the pressure plate 42 on the plate cylinder 1 around Point A results.
  • FIG Fig. 4 A second embodiment of the actuating device is shown in FIG Fig. 4 is shown schematically.
  • This control device can be adjusted while the machine is running.
  • a lever 44 is pivotally mounted about the pin 16.
  • the lever 44 is designed with two arms and has the lever arms 46, 47. Both lever arms 46, 47 lie in one plane and are open to one another at an acute opening angle ⁇ (for example 40 °). Both lever arms 46, 47 are welded together at one end and provided with a bearing bore 48.
  • the lever 44 is pushed onto the pin 16 by means of its bearing bore 48.
  • An additional lever 49 is welded to the tip of the two-armed lever 44 and ends in a slotted guide 51.
  • the guide 51 is not aligned parallel to the axis of rotation of the plate cylinder 1, but at an angle ⁇ (for example 15 °).
  • a guide pin 52 of a push rod 53 engages in the guide 51.
  • the push rod 53 is arranged in guides 54, which are fastened to the pit base 6, and can be moved back and forth parallel to the axis of rotation of the plate cylinder 1.
  • the device is entangled by means of a hydraulic or pneumatic adjustment, in that the push rod 53 is displaced via a hydraulically or pneumatically operated working cylinder 56, which is fastened to the pit base 6 and into which an end of the push rod 53 designed as a piston 57 opens.
  • the working cylinder 56 can be pressurized via the cylinder axis by means of pipes, not shown.
  • the adjustment mechanism consisting of guide pin 52 and slotted guide 51 is replaced by a screw adjustment consisting of set screw 58 and fork 67.
  • the set screw 58 is screwed through a bearing block 59.
  • the bearing block 59 is fastened to the base 6 in the middle of the pit 2.
  • a threaded bore 61 in the bearing block 59, into which the set screw 58 is screwed, extends transversely to the pit 2 and points in the circumferential direction of the plate.
  • the adjusting screw 58 protrudes with its head 62 and its tip 63 beyond the bearing block 59, so that an adjustment in both directions is possible.
  • the head 62 and the tip 63 are surrounded by side walls 64, 66 of the fork 67, which is welded to the lever 49.
  • the screw tip 63 presses against the first side surface 64 of the fork 67 and pivots the two-armed lever 44 counterclockwise.
  • the screw head 62 presses against the side surface 66 of the fork 67 and pivots the lever 44 in a clockwise direction.
  • the surface of the plate cylinder 1 is equipped, for example, with a coating with a low coefficient of friction.
  • the surface of the plate cylinder 1 can also be provided with small bores which are connected to a compressed air source. If the pressure plate 42 is now to be displaced on the cylinder 1, compressed air is blown under the pressure plate 42 by means of the compressed air source after the pressure plate 42 has been relaxed, so that it can be easily moved on the circumference of the plate cylinder 1.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP88115052A 1987-09-19 1988-09-15 Dispositif à fixer les clichés Expired - Lifetime EP0308799B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3731642 1987-09-19
DE19873731642 DE3731642A1 (de) 1987-09-19 1987-09-19 Plattenschraenkvorrichtung

Publications (3)

Publication Number Publication Date
EP0308799A2 true EP0308799A2 (fr) 1989-03-29
EP0308799A3 EP0308799A3 (en) 1989-05-24
EP0308799B1 EP0308799B1 (fr) 1992-12-02

Family

ID=6336448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115052A Expired - Lifetime EP0308799B1 (fr) 1987-09-19 1988-09-15 Dispositif à fixer les clichés

Country Status (6)

Country Link
US (1) US4862800A (fr)
EP (1) EP0308799B1 (fr)
JP (1) JPH0615236B2 (fr)
CS (1) CS274436B2 (fr)
DD (1) DD282421A5 (fr)
DE (2) DE3731642A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418088A2 (fr) * 1989-09-13 1991-03-20 Akiyama Printing Machine Manufacturing Company Ltd. Mécanisme de réglage d'une plaque dans une machine d'impression pour feuilles
EP0507635A1 (fr) * 1991-04-05 1992-10-07 A.B. Dick Company Système de serrage des clichés pour une machine à polycopier
WO1995028261A1 (fr) * 1994-04-13 1995-10-26 Winkler & Dünnebier Emporte-piece souple et cylindre-support
US5727749A (en) * 1996-02-05 1998-03-17 Presstek, Inc Automatic plate-loading cylinder with constant circumferential tension
US5870955A (en) * 1997-03-05 1999-02-16 Presstek, Inc. Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3918215C1 (fr) * 1989-06-03 1990-11-08 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE3934334C1 (fr) * 1989-10-14 1991-04-11 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE3936446A1 (de) * 1989-11-02 1991-05-08 Miller Johannisberg Druckmasch Plattenzylinder einer druckmaschine
DE3936458C1 (fr) * 1989-11-02 1991-04-11 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4100408C1 (fr) * 1991-01-09 1992-05-14 Man Miller Druckmaschinen Gmbh, 6222 Geisenheim, De
DE4106677C1 (fr) * 1991-03-02 1992-04-23 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4111636C1 (fr) * 1991-04-10 1992-07-30 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5188031A (en) * 1991-06-27 1993-02-23 Rockwell International Corporation Printing press blanket cylinder assembly, subassemblies and method of using same
DE4132805C2 (de) * 1991-10-02 1995-05-04 Koenig & Bauer Ag Seitenregister-Einstellvorrichtung für Druckplatten
US5317968A (en) * 1991-11-22 1994-06-07 Shinohara Machiner Co., Ltd. Plate cocking apparatus for sheet-fed printing press
GB2261848B (en) * 1991-11-26 1995-02-08 Shinohara Machinery Co Ltd Plate cocking apparatus for sheet-fed printing press
DE4210897C1 (fr) * 1992-04-02 1993-08-12 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4214167A1 (de) * 1992-04-30 1993-11-04 Roland Man Druckmasch Vorrichtung zum schraenken von druckplatten auf dem plattenzylinder von druckmaschinen, insbesondere bogenoffsetdruckmaschinen
DE4304328C2 (de) * 1993-02-13 2003-01-30 Heidelberger Druckmasch Ag Vorrichtung zum Aufspannen einer biegsamen Druckplatte auf einem Plattenzylinder einer Rotationsdruckmaschine
DE4315311C2 (de) * 1993-04-30 1996-11-28 Roland Man Druckmasch Plattenzylinder für eine Druckmaschine
US5345868A (en) * 1993-06-04 1994-09-13 Baker A Leroy Printing plate mounting support and method
US5419248A (en) * 1994-03-09 1995-05-30 Heidelberg Druckmaschinen Ag Adjustable alignment device for printing plates
JP3691314B2 (ja) * 1999-11-02 2005-09-07 理想科学工業株式会社 孔版印刷装置
DE102004005577B4 (de) * 2003-02-14 2007-10-04 Heidelberger Druckmaschinen Ag Vorrichtung zum Spannen eines Aufzugs auf einem Zylinder einer Bedruckstoff verarbeitenden Maschine
US8943969B2 (en) * 2008-02-26 2015-02-03 Maria Teresa A. Castillo Flexo cushion
DE102019101172A1 (de) 2019-01-17 2020-07-23 Koenig & Bauer Ag Formzylinder mit Haltevorrichtung und ein Flexo-Auftragwerk
DE102019120961A1 (de) * 2019-08-02 2021-02-04 Koenig & Bauer Ag Formzylinder, Flexo-Auftragwerk und Verfahren zur Anpassung einer Spannkraft in einer Haltevorrichtung
DE102020106729A1 (de) 2020-03-12 2021-09-16 Koenig & Bauer Ag Druckmaschine mit einer Vorrichtung zum Erfassen der Anwesenheit einer Auftragsform und Verfahren zum Zuführen einer Auftragsform

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893343C (de) * 1951-04-27 1953-10-15 Erich Gericke Aufspannvorrichtung fuer Metallblaetter in Offsetdruckmaschinen
DE1536954A1 (de) * 1966-04-07 1970-02-26 Adamovske Strojirny Np Einrichtung zum Verstellen von biegsamen Druckplatten
FR2031309A5 (fr) * 1969-06-06 1970-11-13 Adamovske Strojirny Np
EP0232730A2 (fr) * 1986-02-11 1987-08-19 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de fixation d'un cliché souple sur le cylindre porte-cliché d'une rotative

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK103726C (da) * 1963-06-04 1966-02-14 Zeuthen & Aagaard As Anordning ved duplikatorer til opretning af en stencil.
GB1195711A (en) * 1967-04-12 1970-06-24 Crabtree Mann Ltd Improvements in or relating to printing cylinders with printing plate clamping means thereon

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE893343C (de) * 1951-04-27 1953-10-15 Erich Gericke Aufspannvorrichtung fuer Metallblaetter in Offsetdruckmaschinen
DE1536954A1 (de) * 1966-04-07 1970-02-26 Adamovske Strojirny Np Einrichtung zum Verstellen von biegsamen Druckplatten
FR2031309A5 (fr) * 1969-06-06 1970-11-13 Adamovske Strojirny Np
EP0232730A2 (fr) * 1986-02-11 1987-08-19 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de fixation d'un cliché souple sur le cylindre porte-cliché d'une rotative

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Dubbel, Springer Verlag Berlin 1981 S. 21 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418088A2 (fr) * 1989-09-13 1991-03-20 Akiyama Printing Machine Manufacturing Company Ltd. Mécanisme de réglage d'une plaque dans une machine d'impression pour feuilles
EP0418088A3 (en) * 1989-09-13 1991-08-28 Akiyama Printing Machine Manufacturing Company Ltd. Plate adjusting mechanism for leaf-type printing machine
EP0507635A1 (fr) * 1991-04-05 1992-10-07 A.B. Dick Company Système de serrage des clichés pour une machine à polycopier
WO1995028261A1 (fr) * 1994-04-13 1995-10-26 Winkler & Dünnebier Emporte-piece souple et cylindre-support
US5727749A (en) * 1996-02-05 1998-03-17 Presstek, Inc Automatic plate-loading cylinder with constant circumferential tension
US5870955A (en) * 1997-03-05 1999-02-16 Presstek, Inc. Lithographic printing system with reusable support surfaces and lithographic constructions for use therewith

Also Published As

Publication number Publication date
DE3876354D1 (de) 1993-01-14
EP0308799B1 (fr) 1992-12-02
JPH0615236B2 (ja) 1994-03-02
CS274436B2 (en) 1991-04-11
CS619388A2 (en) 1990-08-14
DD282421A5 (de) 1990-09-12
DE3731642A1 (de) 1989-03-30
US4862800A (en) 1989-09-05
JPH01108046A (ja) 1989-04-25
EP0308799A3 (en) 1989-05-24

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