EP0069835B1 - Spannvorrichtung zum Spannen von Druckplatten auf dem Plattenzylinder einer Druckmaschine - Google Patents

Spannvorrichtung zum Spannen von Druckplatten auf dem Plattenzylinder einer Druckmaschine Download PDF

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Publication number
EP0069835B1
EP0069835B1 EP82103754A EP82103754A EP0069835B1 EP 0069835 B1 EP0069835 B1 EP 0069835B1 EP 82103754 A EP82103754 A EP 82103754A EP 82103754 A EP82103754 A EP 82103754A EP 0069835 B1 EP0069835 B1 EP 0069835B1
Authority
EP
European Patent Office
Prior art keywords
tensioning
printing
plate
bar
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.)
Expired
Application number
EP82103754A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0069835A1 (de
Inventor
Bert Cappel
Kurt Difflipp
Helmut Emrich
Horst Erbach
Wolfgang Feldt
Klaus Neberle
Heinrich Ochs
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 AT82103754T priority Critical patent/ATE10720T1/de
Publication of EP0069835A1 publication Critical patent/EP0069835A1/de
Application granted granted Critical
Publication of EP0069835B1 publication Critical patent/EP0069835B1/de
Expired 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 according to the preamble of the first claim.
  • clamping devices for clamping printing plates on the cylinder of a printing press have already become known from various publications. These clamping devices are largely designed as clamping rails, which, for fastening the pressure plate with clamping means for clamping the pressure plate and with clamping means. B. screws are provided. These protrude through the tensioning rails, are supported against a wall surface of a cylinder channel in which the tensioning device is arranged, and must be operated by the operating personnel. These clamping devices then make it possible to clamp a printing plate of a certain length on the plate cylinder in the circumferential direction and, if necessary, to adjust it in the circumferential direction, for. B. when the pressure plate is crooked to the cylinder. Because the clamping rails are arranged in pairs in the cylinder channel, it is very time-consuming to fix the printing plate exactly on the plate cylinder in register.
  • a device in which a pressure plate clamped in the tensioning rail can be quickly tensioned by means of a lever mechanism has already become known in order to enable an exact and rapid clamping of a pressure plate.
  • the tensioning rail can be moved on a tensioning angle.
  • the lever mechanism which acts on the tensioning bracket, the pressure plate clamped in the tensioning rails can be tensioned by moving the tensioning bracket.
  • a spring arranged in this lever linkage should then also ensure during printing that the pressure plate is optimally tensioned.
  • this device has a lever drive for shifting the clamping angle and there is also an enlarged clamping path, it is not really suitable for fast clamping of pressure plates, since the clamping of the pressure plate is still carried out by the clamping screws in the clamping rails.
  • the invention is therefore based on the object of providing a device which enables printing plates to be clamped quickly and easily. Furthermore, printing plates with different lengths should also be clampable with this device.
  • the advantage of this device is that the actual tensioning of the pressure plate is done by spring force.
  • the springs are located in the tensioning rails and are supported on an angle rail. This angle rail enables the clamping range to be expanded in a simple manner so that printing plates with different lengths can be clamped.
  • the plate cylinder 1 of an offset printing machine (not to be explained in more detail here) has means in a cylinder channel 2 for fastening and tensioning printing plates.
  • These fasteners are designed as a front tensioning rail 3 and a rear tensioning rail 4 and are each arranged at the pressure start 5 and pressure end 6 of the cylinder channel 2.
  • the tensioning rail 4 arranged at the printing end 6 is provided on an angle rail 7 which can be brought into different positions in the cylinder channel 2.
  • the clamping rail 3 provided at the start of pressure 5 is in a known manner in the cylinder channel 2 angeord net and is actuated by means of clamping screws 8.
  • the rear, on the angle rail 7 angeord Neten tensioning rail 4 has ge over its length see a defined number of steps Bohr 9 gene, in which compression springs 10 are provided, which are supported on one leg 11 of the angle rail 7 and thus the tensioning rail 4 to the center of the cylinder channel move there.
  • the win rail 7 is fixed in position in the cylinder channel 2 by means of resilient bolts 12. These bolts 12 engage in bores 13 which are drilled on both sides at a distance from the pressure end 6 in the cylinder channel 2. By a number of several holes 13 in a row parallel to the printing end, the angle rail 7 can be arranged in different positions for the printing end 6.
  • the angle rail 7 has a leaf spring 15 in a recess 14, which supports the tensioning rail 4 when it bears against the leg 11 of the angle rail 7.
  • Both tensioning rails 3 and 4 are guided by longitudinal guides 17, 18, which are arranged on both sides of the cylinder channel 2.
  • the operation of the device is as follows: The pressure plate 19 is clamped in a known manner in the tensioning rail 3 and aligned with the tensioning rail 3 parallel to the start of pressure 5. The free end of the pressure plate 19 is then clamped in the rear clamping rail 4. The angle rail 7 is fixed in a bore 13 corresponding to the pressure plate length. By pressing down the leaf spring 15, the tensioning rail 4 is then pushed away from the leg 11 of the volute rail 7 by the force of the compression springs 10 and the pressure plate 19 is tensioned. The force exerted by the compression springs 10 ensures that the pressure plate 19 is always optimally tensioned.
  • pressure washers 21 are provided in the stepped bores 9 between compression springs 10 and the bottom 20 of the stepped bore 9, on which pressure screws 22 act. This type of configuration enables the clamping force to be increased when the pressure screws 22 are screwed in.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
EP82103754A 1981-07-13 1982-05-03 Spannvorrichtung zum Spannen von Druckplatten auf dem Plattenzylinder einer Druckmaschine Expired EP0069835B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82103754T ATE10720T1 (de) 1981-07-13 1982-05-03 Spannvorrichtung zum spannen von druckplatten auf dem plattenzylinder einer druckmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3127586 1981-07-13
DE3127586A DE3127586C1 (de) 1981-07-13 1981-07-13 Spannvorrichtung zum Spannen von Druckplatten auf dem Plattenzylinder einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP0069835A1 EP0069835A1 (de) 1983-01-19
EP0069835B1 true EP0069835B1 (de) 1984-12-12

Family

ID=6136770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82103754A Expired EP0069835B1 (de) 1981-07-13 1982-05-03 Spannvorrichtung zum Spannen von Druckplatten auf dem Plattenzylinder einer Druckmaschine

Country Status (6)

Country Link
US (1) US4489653A (pt)
EP (1) EP0069835B1 (pt)
JP (1) JPS5859084A (pt)
AT (1) ATE10720T1 (pt)
BR (1) BR8204031A (pt)
DE (2) DE3127586C1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026847U (ja) * 1983-07-29 1985-02-23 三菱重工業株式会社 版固定装置
DE3409479A1 (de) * 1984-03-15 1985-09-26 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Spannvorrichtungen fuer an deren in bogenlaufrichtung vorderen und hinteren kanten gelochte druckplatten fuer offsetdruckmaschinen
DE3516682A1 (de) * 1985-05-09 1986-11-13 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum parallelen spannen von druckplatten auf dem plattenzylinder von druckmaschinen
US4798375A (en) * 1986-06-16 1989-01-17 Noritsu Kenkyu Center Co., Ltd. Device for feeding photosensitive material
DE3806526A1 (de) * 1988-03-01 1989-09-14 Heidelberger Druckmasch Ag Vorrichtung zum spannen von biegsamen druckplatten am plattenzylinder von rotationsdruckmaschinen
JP2606626B2 (ja) * 1991-05-16 1997-05-07 東洋紡績株式会社 感光性樹脂版の現像装置
US5685226A (en) * 1996-02-26 1997-11-11 Presstek, Inc. Adaptive clamping mechanism for printing plates
US6116160A (en) * 1998-03-13 2000-09-12 Iris Graphics, Inc. Printer drum
JP3524472B2 (ja) * 2000-05-17 2004-05-10 リョービ株式会社 枚葉印刷機
CZ297967B6 (cs) * 2000-08-25 2007-05-09 Heidelberger Druckmaschienen Ag Zarízení na prestavování minimálne jednoho prvku registru v tiskovém stroji a zpusob k provádení takového prestavování
WO2013001518A1 (en) * 2011-06-30 2013-01-03 Kba-Notasys Sa Method of mounting and registering a printing plate on a plate cylinder of a multicolour offset printing press

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7111586U (pt) * 1900-01-01 Register System Gmbh
DE7503768U (de) * 1975-07-10 Hercules Inc Träger für eine flexible Druckstockplatte
US1270779A (en) * 1912-11-23 1918-07-02 Abraham T H Brower Printing-press.
US1948038A (en) * 1929-08-05 1934-02-20 Dexter Folder Co Sheet or signature separating and feeding mechanisms
DE611993C (de) * 1930-06-10 1935-04-10 Linotype Machinery Ltd Greiferkissenanordnung fuer Druckzylinder
US2176595A (en) * 1937-12-02 1939-10-17 Pannier Brothers Stamp Company Stamp
US3156184A (en) * 1962-02-20 1964-11-10 Harris Intertype Corp Plate clamp
US3460443A (en) * 1965-09-20 1969-08-12 Harris Intertype Corp Apparatus for operating on sheet material
US3474727A (en) * 1966-03-07 1969-10-28 Meyercord Co Rotary tax stamp numbering machine with clutch drive
DE1561013B1 (de) * 1967-02-15 1969-10-16 Maschf Augsburg Nuernberg Ag Vorrichtung zum Befestigen einer biegsamen Druckplatte an einer auf dem Formzylindereiner Rotationsdruckmaschine befestigbaren Sattelplatte
DE2200187C3 (de) * 1971-01-28 1981-05-07 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Vorrichtung zum lagegenauen Schnellaufspannen von flexiblen Druckplatten
DE2114717A1 (de) * 1971-03-26 1972-09-28 Register System Gmbh Vorrichtung zum Befestigen und Justieren von Druckplatten an Druckzylindern
GB1284695A (en) * 1971-04-19 1972-08-09 Polygraph Leipzig Improvements in or relating to device for clamping flexible printing plates
GB1346799A (en) * 1971-11-11 1974-02-13 Koenig & Bauer Ag Plate clamping device for intaglio printing presses
DE2219546A1 (de) * 1972-04-21 1973-10-31 Heidelberger Druckmasch Ag Schnellspannvorrichtung an rotationszylindern von druckmaschinen
US3884147A (en) * 1972-05-26 1975-05-20 Roland Offsetmaschf Device for fastening flexible printing plates
US3858512A (en) * 1973-03-22 1975-01-07 Roland Offsetmaschf Lock-up mechanism for flexible printing plates providing improved reference adjustment
FR2240817B1 (pt) * 1973-08-16 1981-04-17 Roland Offsetmaschf
US3973496A (en) * 1973-10-29 1976-08-10 Ball Corporation Apparatus for mounting and locking printing plates
US4100854A (en) * 1974-08-28 1978-07-18 Japan Society For Promotion Of Machine Industry Device for mounting resin plate onto plate cylinder
DE7500180U (de) * 1975-01-04 1978-01-26 Ahlsdorf, Karlheinz, 5600 Wuppertal Vorrichtung zum einspannen von an ihren einspannraendern passlochungen aufweisenden druckplatten in offset-maschinen
US3994224A (en) * 1975-06-09 1976-11-30 Newspaper Equipment Company Mounting structure for printing plates
DE2702393A1 (de) * 1977-01-21 1978-08-03 Europa Carton Ag Verfahren und vorrichtung zum justieren von druckplatten
DE7836594U1 (de) * 1978-12-11 1980-04-17 M.A.N.-Roland Druckmaschinen Ag, 6050 Offenbach Tiefdruckzylinder, insbesondere bogen-rotations-tiefdruckmaschine
US4259904A (en) * 1979-07-23 1981-04-07 Heinz Metje Alignment system for offset printing presses

Also Published As

Publication number Publication date
BR8204031A (pt) 1983-07-05
JPH0242665B2 (pt) 1990-09-25
JPS5859084A (ja) 1983-04-07
DE3127586C1 (de) 1982-12-09
US4489653A (en) 1984-12-25
ATE10720T1 (de) 1984-12-15
DE3261518D1 (en) 1985-01-24
EP0069835A1 (de) 1983-01-19

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