EP1213143A1 - Dispositif de fixation d'un revêtement sur un cylindre d'impression - Google Patents

Dispositif de fixation d'un revêtement sur un cylindre d'impression Download PDF

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Publication number
EP1213143A1
EP1213143A1 EP01127636A EP01127636A EP1213143A1 EP 1213143 A1 EP1213143 A1 EP 1213143A1 EP 01127636 A EP01127636 A EP 01127636A EP 01127636 A EP01127636 A EP 01127636A EP 1213143 A1 EP1213143 A1 EP 1213143A1
Authority
EP
European Patent Office
Prior art keywords
tongues
cylinder
leg
spindle
pit
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
EP01127636A
Other languages
German (de)
English (en)
Other versions
EP1213143B1 (fr
Inventor
Klaus T. Reichel
Peter Knauer
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
Publication of EP1213143A1 publication Critical patent/EP1213143A1/fr
Application granted granted Critical
Publication of EP1213143B1 publication Critical patent/EP1213143B1/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
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
    • 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
    • B41F27/1243—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 pivotal or swivelling motion, e.g. by means of a rocking lever
    • 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
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means

Definitions

  • the invention relates to a device for fastening a covering a printing unit cylinder of a printing press according to the preamble of Claim 1.
  • the covering can be, for example, a flexible Pressure plate or one of a flexible support plate and one Act rubber coating existing rubber blanket unit.
  • EP 534 579 A2 shows a plate tension in which the forme cylinder has an in Axial direction cylinder pit has one edge of the leading plate leg carries.
  • the cylinder pit also contains one rotatable spindle on which U-shaped is distributed over the width of the forme cylinder Leaf springs are arranged.
  • One leg of the leaf springs is hook-shaped folded and engages when turning the spindle in the hook-shaped beveled trailing plate leg.
  • the other leg of the feather presses the leading plate leg against the wall of the cylinder pit.
  • the tension of the first plate leg can be released again got to.
  • those to be set with a spindle position influence each other Tension forces for both plate legs disadvantageously mutually.
  • the device causes a wide gap in the cylinder surface, what Vibrations during printing and which are available for printing standing surface area of the cylinder reduces.
  • the object of the invention is a device for fastening a covering on a printing couple cylinder to create the legs of the covering reliably clamps.
  • the object is achieved with a generic device the characterizing features of claim 1 solved.
  • the device is characterized by a compact Construction from, the spindle and hollow spindle stable and low deflection are stored.
  • the gap in the cylinder pit can be made narrow, so that the vibration-free running of the printing unit cylinders is made possible.
  • the print-free area on the web to be printed becomes small held.
  • the trailing leg is in the clamping pit drawn, which compensates thermal expansion well.
  • the device is suitable for the implementation of a partially or fully automatic Printing plate change.
  • the web does not have to go out for a printing plate change removed from the press.
  • the forme cylinder 1 shown in detail in FIG. 1 contains a cylinder pit 2 with a channel 3 and a bore 4, which is in the axial direction of the forme cylinder 1 run.
  • a hollow spindle 5 In the bore 4 is a hollow spindle 5 and in this in a bore again a further spindle 6 each pivotally mounted.
  • first tongues 8 and second tongues 9 on the further spindle 6 screwed on (see Fig. 2).
  • the hollow spindle 5 has Recesses 11 through which the attached to the further spindle 6 pass through second tongues 9.
  • the first and second tongues 8, 9 are advantageous as leaf springs, that is, springy. This makes it special uniform application of force to the legs of the pressure plate 7 via the entire width of the pressure plate 7 possible. This avoids plate breaks and increases the reliability of the clamping device.
  • the hollow spindle 5 is supported with supporting elements 10 distributed around the circumference in the Bore 4 from (see Fig. 5).
  • the support elements 10 are at least approximately Arranged middle of the length of the hollow spindle 5, which causes the deflection of the Hollow spindle 5 kept low and stable clamping of the pressure plate 7 is realized.
  • the support elements 10 can be mounted to be adjustable in height To be able to compensate for manufacturing tolerances of hole 4. That way a jamming-free pivoting of the hollow spindle 5 enables.
  • the pressure plate 1 is in the positions of the hollow spindle 5 shown in FIG. 1 and spindle 6 with its leading leg 12 into the cylinder pit 2 inserted and with its bevel 19 on the leading edge 13 of the Cylinder pit 2 hung.
  • the first tongues 8 press the leading Leg 12 against a first running out at an acute angle to the cylindrical surface Pit wall 14 and so tension the leading leg 12.
  • the following is the printing plate 7 thus fixed is wound around the forme cylinder 1. This happens advantageously by rotating the forme cylinder 1, the pressure plate 7 optionally is pressed onto these by means of pressure rollers. At the end of this Winding up the trailing leg 15 of the pressure plate 7 in the Cylinder pit 2 pressed (Fig. 3).
  • the spindle 6 is in the in Fig. 4th shown position pivoted, the second tongues 9 with their approximately 90 ° hook-shaped unwound ends of the trailing leg 15 of the Detect pressure plate 7 and clamp the latter.
  • the separate drives for the hollow spindle 5 and the spindle 6 can on the be distributed on both sides of the printing unit, for example the drive for the Hollow spindle 5 on the operator side (SI) and the drive for the spindle 6 on the Drive side (SII).
  • the trailing leg 15 runs automatically when the pressure plate 7 is tensioned into the cylinder pit 2, as shown step by step in FIG. It is beneficial to do this very briefly, which also causes malfunctions from upsetting or similar things can be avoided.
  • the device is therefore also suitable for a fully automatic printing plate change.
  • the leading leg 12 at the beginning of the printing plate change process automatically hooked into the cylinder pit 2, for example by means of a Robot.
  • the pressure plate 7 is removed in the reverse order. So it will first the spindle 6 is rotated clockwise into the position shown in FIG. 1. The second tongues 9 give the trailing leg 15 of the Pressure plate 7 free, which then jumps out of the cylinder pit 2 or out of this is removable. The printing plate 7 is then unwound from Forme cylinder 1. Then the hollow spindle 5 is turned clockwise into the in Fig. 1st shown position rotated, the leading leg 12 is released and the pressure plate 7 is removable from the forme cylinder 1.
  • FIGs 5 to 7 show a further variant of a device to the figures 1 to 4, this variant using the example of fastening a blanket unit is explained on a transfer cylinder.
  • the cylinder pit 2.1 of a transfer cylinder 1.1 in turn has one Bore 4, in which a hollow spindle 5.1 is mounted, in which another spindle 6.1 stores.
  • the hollow spindle 5.1 and the spindle 6.1 are independent of one another pivotable.
  • the hollow spindle 5.1 is supported by means of support elements 10 in the Hole 4.
  • the tongues 8.1 and 9.1 are again over the length of the Transfer cylinder 1.1 and arranged in an alternating sequence.
  • the The first tongues 8.1 pass through recesses 11 in the hollow spindle 5.1 therethrough.
  • the rubber blanket unit 7.1 consists of a carrier plate 16 on which Exception of the leading and trailing leg 12.1, 15.1 Blanket 17 is attached.
  • the leading leg 12.1 has one in particular V-shaped notch 18. Otherwise it is correct Device largely with the device described above ( Figures 1 to 4) agree, which is why repetitive explanations are omitted.
  • the Blanket unit 7.1 with its bend 19.1 on the leading edge 13.1 pulled, aligned there and reliably tensioned and also against the first Pit wall 14.1 is pressed.
  • the second tongues 9.1 are still in the position shown in Fig. 5.
  • the Disassembly of the blanket unit 7.1 takes place in the reverse order of Assembly.
  • Figures 8 to 10 show another embodiment of a device for clamping a pressure plate 7.2.
  • the forme cylinder 1.2 has one Cylinder pit 2.2 with a bore 4 in which a hollow spindle 5.2 is mounted, in which another spindle 6.2 is in turn supported.
  • the hollow spindle 5.2 is supported Support elements 10 in the bore 4.
  • First tongues are on the hollow spindle 5.2 8.2 screwed onto the spindle 6.2
  • second tongues 9.2 all tongues 8.2, 9.2 again across the width of the forme cylinder 1.2 in an alternating sequence are arranged.
  • the second tongues 9.2 penetrate into the recesses 11 Hollow spindle 5.2.
  • the leading leg is first 12.2 on channel 3 in the positions of the hollow spindle 5.2 and the spindle 6.2 inserted into the cylinder pit 2.2 and the pressure plate 7.2 with their fold 19.2 on the leading edge 13.2 of the cylinder pit 2.2 hooked.
  • the hollow spindle 5.2 is then turned counterclockwise pivoted into the position shown in Fig. 9, the first tongues 8.2 the Press leading leg 15.2 against the first pit wall 14.2 and clamp reliably.
  • the other spindle 6.2 has been or is in the meantime now also pivoted counterclockwise, the second Tongues 9.2 assume the position shown in FIG. 9.
  • the devices described for fastening printing plates 7, 7.2 can can also be used to attach blanket units and vice versa can the described device for attaching a blanket unit 7.1 can also be used to attach printing plates. They can also Features of the exemplary embodiments among themselves to further variants be combined.
  • the invention is also applicable if, on the circumference of the printing unit cylinder 1, 1.1, 1.2 several cylinder pits 2, 2.1, 2.2 are arranged, each in one leading and trailing leg 12, 12.1, 12.2, 15, 15.1, 15.2 two Adjacent clothing to be attached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP01127636A 2000-12-08 2001-11-20 Dispositif de fixation d'un revêtement sur un cylindre d'impression Expired - Lifetime EP1213143B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10060984A DE10060984B4 (de) 2000-12-08 2000-12-08 Vorichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder
DE10060984 2000-12-08

Publications (2)

Publication Number Publication Date
EP1213143A1 true EP1213143A1 (fr) 2002-06-12
EP1213143B1 EP1213143B1 (fr) 2006-06-28

Family

ID=7666231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01127636A Expired - Lifetime EP1213143B1 (fr) 2000-12-08 2001-11-20 Dispositif de fixation d'un revêtement sur un cylindre d'impression

Country Status (3)

Country Link
US (1) US6612239B2 (fr)
EP (1) EP1213143B1 (fr)
DE (2) DE10060984B4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218475B4 (de) * 2002-04-25 2006-06-29 Koenig & Bauer Ag Zylinder einer Rotationsdruckmaschine mit einem Aufzug
FR2898297A1 (fr) * 2006-03-08 2007-09-14 Goss Int Montataire Sa Cylindre de plaque et presse rotative correspondante.
DE102006027144B3 (de) * 2006-06-12 2007-11-29 Koenig & Bauer Aktiengesellschaft Drucktucheinheit für einen Drucktuchzylinder einer Rotationsdruckmaschine

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19924784C2 (de) * 1999-05-29 2001-05-31 Koenig & Bauer Ag Vorrichtung zum Befestigen von biegsamen Platten auf einem Zylinder einer Rotationsdruckmaschine mit Drehrichtungsumkehr
JP3446122B2 (ja) * 2000-07-12 2003-09-16 株式会社東京機械製作所 ブランケット胴
DE10208262A1 (de) * 2002-02-26 2003-09-04 Roland Man Druckmasch Vorrichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder
FR2844743B1 (fr) * 2002-09-19 2004-12-17 Goss Systemes Graphiques Nante Ensemble comprenant une unite de blanchet et un cylindre a dispositif de fixation de blanchet, cylindre, unite de blanchet et presse offset correspondants
DE102006032263B3 (de) * 2006-07-12 2008-01-31 Maschinenfabrik Wifag Klemmvorrichtung mit überlappenden Klemmmitteln
FR2905082B1 (fr) * 2006-08-22 2010-01-22 Goss Int Montataire Sa Plaque d'impression et ensemble d'impression correspondant.
US20080216691A1 (en) * 2007-03-05 2008-09-11 Stephens Ronald F Printing plate lock mechanisms
JP6479349B2 (ja) * 2014-06-09 2019-03-06 株式会社東京機械製作所 刷版付き版胴及び刷版装着方法
US10737481B2 (en) * 2017-07-03 2020-08-11 Manroland Goss Web Systems Gmbh Plate cylinder with plate lockup mechanism and related printing press and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214530A (en) * 1978-02-23 1980-07-29 Glanzner Gary C Metal printing plate
DE3812137A1 (de) * 1987-07-02 1989-01-12 Polygraph Leipzig Vorrichtung zum befestigen einer biegsamen druckplatte
EP0534579A2 (fr) * 1991-09-19 1993-03-31 Komori Corporation Dispositif pour remplacer la plaque d'impression dans une machine à imprimer rotative
DE4335140C1 (de) * 1993-10-15 1995-02-02 Roland Man Druckmasch Vorrichtung zum Befestigen einer biegsamen Druckplatte
DE19701046A1 (de) * 1996-01-19 1997-07-24 Roland Man Druckmasch Vorrichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE146161C (fr)
DE262192C (fr) *
DE261765C (fr) *
DE261766C (fr) *
DE261764C (fr)
DD146161A1 (de) * 1979-09-20 1981-01-28 Harald Feustel Vorrichtung zum befestigen und spannen von biegsamen druckplatten auf dem zylinder
DE8433674U1 (de) * 1984-11-16 1985-02-14 Maschinenfabrik Wifag, Bern Vorrichtung zum aufziehen eines gummituches auf einen gummituchzylinder einer rotationsdruckmaschine
DD261764A1 (de) * 1987-07-02 1988-11-09 Polygraph Leipzig Vorrichtung zum befestigen einer biegsamen druckplatte
DE4415683C2 (de) * 1994-05-04 1998-04-09 Roland Man Druckmasch Vorrichtung zum Befestigen einer biegsamen Druckplatte
FR2737149B1 (fr) 1995-07-25 1997-10-17 Heidelberg Harris Sa Dispositif de fixation d'une plaque d'impression sur un cylindre porte-plaque
DE19841912A1 (de) 1998-09-14 2000-03-16 Roland Man Druckmasch Vorrichtung zum Befestigen von biegsamen Druckformen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214530A (en) * 1978-02-23 1980-07-29 Glanzner Gary C Metal printing plate
DE3812137A1 (de) * 1987-07-02 1989-01-12 Polygraph Leipzig Vorrichtung zum befestigen einer biegsamen druckplatte
EP0534579A2 (fr) * 1991-09-19 1993-03-31 Komori Corporation Dispositif pour remplacer la plaque d'impression dans une machine à imprimer rotative
DE4335140C1 (de) * 1993-10-15 1995-02-02 Roland Man Druckmasch Vorrichtung zum Befestigen einer biegsamen Druckplatte
DE19701046A1 (de) * 1996-01-19 1997-07-24 Roland Man Druckmasch Vorrichtung zum Befestigen einer Bespannung auf einem Druckwerkzylinder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218475B4 (de) * 2002-04-25 2006-06-29 Koenig & Bauer Ag Zylinder einer Rotationsdruckmaschine mit einem Aufzug
FR2898297A1 (fr) * 2006-03-08 2007-09-14 Goss Int Montataire Sa Cylindre de plaque et presse rotative correspondante.
DE102006027144B3 (de) * 2006-06-12 2007-11-29 Koenig & Bauer Aktiengesellschaft Drucktucheinheit für einen Drucktuchzylinder einer Rotationsdruckmaschine

Also Published As

Publication number Publication date
US20020078846A1 (en) 2002-06-27
US6612239B2 (en) 2003-09-02
EP1213143B1 (fr) 2006-06-28
DE50110323D1 (de) 2006-08-10
DE10060984A1 (de) 2002-06-27
DE10060984B4 (de) 2006-10-26

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