EP0204972B1 - Spannschiene am Plattenzylinder von Rotationsdruckmaschinen - Google Patents

Spannschiene am Plattenzylinder von Rotationsdruckmaschinen Download PDF

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Publication number
EP0204972B1
EP0204972B1 EP86106334A EP86106334A EP0204972B1 EP 0204972 B1 EP0204972 B1 EP 0204972B1 EP 86106334 A EP86106334 A EP 86106334A EP 86106334 A EP86106334 A EP 86106334A EP 0204972 B1 EP0204972 B1 EP 0204972B1
Authority
EP
European Patent Office
Prior art keywords
tensioning
clamping
plate
tensioning rail
lever
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
EP86106334A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0204972A2 (de
EP0204972A3 (en
Inventor
Nikolaus Dr. Spiegel
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 EP0204972A2 publication Critical patent/EP0204972A2/de
Publication of EP0204972A3 publication Critical patent/EP0204972A3/de
Application granted granted Critical
Publication of EP0204972B1 publication Critical patent/EP0204972B1/de
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 tensioning rail according to the preamble of claim 1 (see US-A-2386214).
  • Such clamping devices are used to clamp flexible printing plates on the plate cylinder of rotary printing presses.
  • the trailing plate clamping rail seen in the direction of rotation of the plate cylinder, must transmit the clamping forces to the plate end via a large number of clamping screws. Due to the flexibility of the pressure plate until the correct clamping force has been reached, several full turns of the clamping screw are necessary.
  • the individual clamping screws must be tightened alternately one piece at a time in order to prevent the pressure plate clamped in the clamping rail from tilting.
  • the clamping screw tool must therefore be frequently implemented for clamping.
  • the object of the invention is to overcome the spring and adhesive force of the pressure plate on the tensioning rail and thereby to accelerate the tensioning process.
  • the object is achieved according to the characterizing part of claim 1.
  • an independent additional force can be briefly introduced into the rear clamping rail, whereby the spring force is overcome, so that the clamping screws can be turned back very quickly by hand when inserting a new pressure plate. If a printing plate is to be removed from the plate cylinder after the printing work has been completed and the trailing plate end is glued in the clamping rail, the clamping rail can be moved briefly in the clamping direction with the help of the lever tool, thereby releasing the bond.
  • clamping means are provided in a cylinder channel 3 in order to clamp the plate precisely and in register on the plate cylinder 1.
  • clamping rails 4, 5, to which clamping rails 6, 7 are assigned which in turn are actuated via clamping eccentrics 8, 9.
  • the leading plate end 10 is clamped between the clamping rail 5 and the clamping rail 7 after the register-oriented alignment and the printing plate 2 is placed on it by rotating the plate cylinder 1.
  • the trailing plate end 11 is also clamped between the clamping rail 4 and clamping rail 6 by turning the clamping eccentric 8, and then the pressure plate 2 is clamped using clamping screws 12.
  • the clamping screws 12 are supported on the stop 13.
  • the compression springs 14 provided between the tensioning rails 4 and 5 are intended to prevent unwanted movement of the tensioning rails when the pressure plate is not inserted. Both tensioning rails 4, 5 are guided in rails 15 which are fastened to the base 16 of the cylinder channel 3.
  • plug openings 17 are provided, which are advantageously arranged on a flat body 18, which in turn is fastened to the tensioning rail 4 by means of a screw 19.
  • 3 recesses 20 ° ⁇ 'Jr are seen in the base 16 of the cylinder channel, which are formed as bores in the exemplary embodiment shown.
  • a lever tool 21, which can be a plug pin, can be inserted through the plug opening 17 into the recess 20, so that an independent on the lever action of the plug pin Pending additional force can be briefly introduced into the rear clamping rail 4. This force can now move the tensioning rail in the tensioning direction and thereby loosen a possibly glued plate end.
  • a play is advantageously provided between the plug opening 17 and the lever tool 21 in order to enable the lever tool 21 to move laterally and in the circumferential direction, so that the lateral alignment of the tensioning rail 4 can also be carried out as a result.
  • a latching position can be provided on this, the z. B. in the form of a known ball catch 22, so that when inserting a new pressure plate, the tensioning rail 4 is also laterally in an initial position.
  • the clamping screws 12 can be provided with knurling 23 for easier handling.
  • the flat body 18 and the clamping screws 12 can be optically highlighted by appropriate coloring, so that the work of the operator is facilitated.
  • the length of the lever tool 21 is also designed so that easy handling is possible. Due to the design according to the invention, only a conversion of the tool for the clamping screws 12 is required when clamping a new printing plate, so that the time for removing the printing plates and inserting a new plate is significantly reduced.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP86106334A 1985-06-03 1986-05-09 Spannschiene am Plattenzylinder von Rotationsdruckmaschinen Expired - Lifetime EP0204972B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3519869 1985-06-03
DE19853519869 DE3519869A1 (de) 1985-06-03 1985-06-03 Spannschiene am plattenzylinder von rotationsdruckmaschinen

Publications (3)

Publication Number Publication Date
EP0204972A2 EP0204972A2 (de) 1986-12-17
EP0204972A3 EP0204972A3 (en) 1988-02-10
EP0204972B1 true EP0204972B1 (de) 1990-03-07

Family

ID=6272319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106334A Expired - Lifetime EP0204972B1 (de) 1985-06-03 1986-05-09 Spannschiene am Plattenzylinder von Rotationsdruckmaschinen

Country Status (7)

Country Link
US (1) US4757762A (enrdf_load_stackoverflow)
EP (1) EP0204972B1 (enrdf_load_stackoverflow)
JP (1) JPS61279557A (enrdf_load_stackoverflow)
CN (1) CN1003118B (enrdf_load_stackoverflow)
AU (1) AU586240B2 (enrdf_load_stackoverflow)
CA (1) CA1253741A (enrdf_load_stackoverflow)
DE (1) DE3519869A1 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046914Y2 (enrdf_load_stackoverflow) * 1986-01-17 1992-02-25
DE3806526A1 (de) * 1988-03-01 1989-09-14 Heidelberger Druckmasch Ag Vorrichtung zum spannen von biegsamen druckplatten am plattenzylinder von rotationsdruckmaschinen
JPH0698746B2 (ja) * 1989-03-30 1994-12-07 アキヤマ印刷機製造株式会社 枚葉印刷機の版締め装置
DE4134309C2 (de) * 1991-10-17 1999-03-04 Kba Planeta Ag Einrichtung zum Schnellaufspannen von Druckplatten
DE4321751C1 (de) * 1993-06-30 1994-11-24 Roland Man Druckmasch Vorrichtung zum paßgenauen Spannen von Druckplatten auf dem Plattenzylinder von Druckmaschinen
DE19701955C2 (de) * 1997-01-22 1998-12-03 Roland Man Druckmasch Befestigungsvorrichtung für Druckformen
DE102008004060A1 (de) 2008-01-12 2009-07-16 Manroland Ag Spannschiene für einen Platten- oder Formzylinder einer Druckmaschine
DE102012207109B3 (de) * 2012-04-27 2013-05-02 Koenig & Bauer Aktiengesellschaft Verfahren zum Anordnen einer Druckform auf einen Plattenzylinder
CN105082724A (zh) * 2015-07-30 2015-11-25 宁波市鄞州唯达汽车配件厂（普通合伙） 一种改进型版尾夹

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817441A (en) * 1954-05-12 1959-07-29 Waite & Saville Ltd Improvements in or relating to the attachment and registration of plates on printingcylinders or flat bed surfaces
US2072909A (en) * 1932-06-22 1937-03-09 Hoe & Co R Plate clamp for printing machines
US2055295A (en) * 1933-09-01 1936-09-22 United Autographic Register Co Apparatus for attaching printing plates to a cylinder
US2386214A (en) * 1942-10-09 1945-10-09 Harris Seybold Potter Co Plate clamp
US3151553A (en) * 1961-04-11 1964-10-06 Harris Intertype Corp Plate cylinder with plate clamps
DE1291750B (de) * 1967-07-29 1969-04-03 Roland Offsetmaschf Vorrichtung zum Befestigen einer biegsamen Druckplatte auf dem Formzylinder einer Rotationsdruckmaschine
DE2035278A1 (de) * 1970-07-16 1972-01-20 Koenig & Bauer Schnellpressfab Vorrichtung zum Befestigen biegsamer Druckplatten auf Formzylindern von Rotationsdruckmaschinen
DE2060001C3 (de) * 1970-12-05 1975-08-28 Koenig & Bauer Ag, 8700 Wuerzburg Klemm- und Spannvorrichtung fur biegsame Druckplatten
DE2065582C3 (de) * 1970-12-05 1978-10-12 Koenig & Bauer Ag, 8700 Wuerzburg Vorrichtung zum Klemmen von nicht abgekanteten Druckplattenenden biegsamer Druckformen
US3791295A (en) * 1972-09-11 1974-02-12 W Albright Self-tensioning printing plate saddle
US3828672A (en) * 1972-10-17 1974-08-13 American Bank Note Co Apparatus for fitting flexible printing plates and rigging to printing press cylinders
DE2431133A1 (de) * 1974-06-28 1976-01-15 Roland Offsetmaschf Druckplatten-spannvorrichtung
US4191106A (en) * 1975-12-01 1980-03-04 K and Manufacturing Company, Inc. Printing plate clamping assembly
DE3510440A1 (de) * 1985-03-22 1986-09-25 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum einspannen und ausrichten von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen

Also Published As

Publication number Publication date
CN1003118B (zh) 1989-01-25
JPH0523188B2 (enrdf_load_stackoverflow) 1993-03-31
DE3519869C2 (enrdf_load_stackoverflow) 1992-07-16
US4757762A (en) 1988-07-19
EP0204972A2 (de) 1986-12-17
EP0204972A3 (en) 1988-02-10
CN86103234A (zh) 1986-12-03
DE3519869A1 (de) 1986-12-04
AU5635886A (en) 1986-12-11
CA1253741A (en) 1989-05-09
AU586240B2 (en) 1989-07-06
JPS61279557A (ja) 1986-12-10

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