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EP1268210B1 - Dispositif pour serrer et/ou bloquer des plaques souples - Google Patents

Dispositif pour serrer et/ou bloquer des plaques souples Download PDF

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Publication number
EP1268210B1
EP1268210B1 EP00949055A EP00949055A EP1268210B1 EP 1268210 B1 EP1268210 B1 EP 1268210B1 EP 00949055 A EP00949055 A EP 00949055A EP 00949055 A EP00949055 A EP 00949055A EP 1268210 B1 EP1268210 B1 EP 1268210B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
arm
strip
pit
clamping
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
EP00949055A
Other languages
German (de)
English (en)
Other versions
EP1268210A2 (fr
Inventor
Georg Schneider
Karl Robert SCHÄFER
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 EP1268210A2 publication Critical patent/EP1268210A2/fr
Application granted granted Critical
Publication of EP1268210B1 publication Critical patent/EP1268210B1/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
    • B41F27/1262—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 tensioning and / or clamping flexible plates on a cylinder of a rotary printing press according to the preamble of claim 1.
  • DE 43 35 140 C1 is a device for attaching a flexible Printing plate on the form cylinder of a rotary printing press with at least a cylinder pit extending in the axial direction is known.
  • a first or leading and angled hanging leg is on an edge of the first pit wall of the cylinder pit of the forme cylinder hooked.
  • a second or trailing hanging leg is approximately radial Second pit wall of the cylinder pit running in the direction of the forme cylinder applied.
  • the cylinder pit receives a spindle that can be swiveled around its axis. On the spindle there are two each distributed over the width of the pressure plate Leaf springs attached, which when pivoting the spindle with the Hanging legs can be brought into or out of engagement.
  • the invention has for its object a device for tensioning and / or clamps from one with beveled hanging legs flexible plate on a cylinder having slot fastenings To create rotary printing press.
  • the advantages that can be achieved with the invention are in particular that a robust, simply constructed and inexpensive to manufacture device was created.
  • the device according to the invention is without spindle rotation adjustable in just two positions.
  • Another advantage of the device is in the fact that these have several short profile strips in their axial extension can exist. This makes it possible to z. B. for To remove maintenance purposes from the side of the cylinder in sections, without having to disassemble the cylinder from the side frame.
  • a automatic plate feed and discharge is by means of known devices possible.
  • a cylinder 01 e.g. B. a plate or blanket cylinder Rotary printing machine is used to accommodate flexible plates 02 at least one cylinder pit 03 running in the axial direction.
  • the Cylinder pit 03 bears on one in the production direction A of cylinder 01 facing front edge 04 a front or "leading" Hanging leg 06 of the plate 02.
  • the plate 02 also has a rear or "trailing" hanging leg 07, which on a second rear Edge 08 of the same cylinder pit 03 is hooked on.
  • the second pit wall 13 which runs approximately in the radial direction of the cylinder 01 has an obtuse opening angle Beta of approximately 95 ° to the lateral surface 11. Both edges 04; 08 or vertices of the opening angle alpha; beta are separated by a fastening slot 09.
  • the mounting slot 09 is formed in its internal width b so that next to each other at least two hanging legs 06; 07 find space in it, which protrude towards the cylinder pit 03.
  • the cylinder pit 03 can be approximately circular in cross section and is connected to the lateral surface 11 by the fastening slot 09.
  • the cylinder pit 03 there is a pivotable about its longitudinal axis three-armed extending their longitudinal axis in the axial direction of the cylinder pit 03 Profile bar 14 arranged.
  • the arms 16; 17; 18 also extend strip-shaped in the axis-parallel direction.
  • a first arm 16 or power arm is approximately in cross section (FIG. 1) radial direction facing away from plate 02.
  • a second arm 17 or load arm points approximately in the radial direction, however, facing plate 02.
  • the second Arm 17 is at its free end 19 against that on the second pit wall 13 adjacent second hanging legs 07 arranged to be pressed.
  • third arm 18 or bearing arm is arranged, which is slightly angled at its free end 21 and carries a bead 22.
  • This bead 22 is in a groove 23 extending in the axis-parallel direction a support fixed to the cylinder pit 24 is pivotally mounted, d. H. Bead 22 and Channel 23 form a bearing.
  • the first support surface 26 located on the third arm 18 can e.g. B. thereby are formed that the second arm 17 receives a recess 29.
  • the wedge-shaped, wedge angle variable slot 28 receives a pinch roller 31.
  • Gamma 2 is the pinch roller 31 in Plate holding position (Fig. 1) on the front hanging leg 06 and presses this to the first pit wall 12 or moves away from the pit wall 12 in a second plate removal position (Fig. 2).
  • an adjusting means e.g. B. one with a fillable with compressed air Hose, called air hose 33, arranged.
  • the air hose 33 is on one its ends z. B. provided with a valve and is a so connected, not shown line to the cylinder journal and by means of a known rotary introduction acted upon with compressed air if necessary.
  • one or more springs 34 are on the one hand on the support bar 24 and on the other hand in blind holes 35 of the side of the first one remote from the air hose Support arm 16 of the pivotable profile bar 14.
  • the profile strip 14 is in axially parallel direction in several shorter profile strips 38; 39 divided.
  • the same also applies to the support strip 24 which is divided into a plurality of support strips 42; 43 is divided.
  • Each support bar 42; 43 is opposite the adjacent support bar releasable, e.g. B. connected by means of a clutch.
  • This clutch can e.g. B. act positively and by means of a double-sided toothing 46; 47 of the Support strips 42; 43 can be realized.
  • the air hose 33 is always in one piece trained and passes through the entire cylinder pit 03. A free end of itself
  • the first and last support bar located in the cylinder pit 03 is non-rotatable with connected to an end coupling piece 48.
  • the end coupling piece 48 is with its Cylinder pit 03 covering parts attached to the flanks of cylinder 01, z. B. screwed.
  • the Device z. B. removed for maintenance purposes from the cylinder pit 03 be removed without removing the cylinder 01 from the side frame got to.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Supports For Pipes And Cables (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (2)

  1. Dispositif pour serrer et/ou bloquer une plaque (02) souple, ayant des branches d'accrochage (06; 07) repliées, pénétrant dans une fente de fixation (09) d'un cylindre (01), portant la plaque (02), d'une machine à imprimer rotative, et la fente de fixation (09) étant reliée, dans la direction radiale du cylindre (01), à une rainure de cylindre (03) parallèle à l'axe, caractérisé en ce que, dans la rainure de cylindre (03), est disposée une bande profilée (14; 38, 39) susceptible de pivoter, munie de trois bras (16; 17; 18) en forme de bandes, bandes profilées dont le premier bras (16) est disposé de façon à pouvoir être actionné à l'aide d'un tuyau pneumatique (33), à l'encontre de la force d'au moins un ressort (34), dont le deuxième bras (17) est disposé de façon à pouvoir être pressé par son extrémité libre (19) contre une deuxième branche d'accrochage (07) en appui sur une deuxième paroi de rainure (13). dont le troisième bras (18) est monté à pivotement dans un palier (22, 23) placé dans la rainure de cylindre (03), en ce que, entre une face (26) du troisième bras (18) et une face d'appui (27), fixe par rapport à la rainure de cylindre, est formée une fente (28) cunéiforme à angle de coin modifiable, en ce que dans la fente (28) est disposé un galet de serrage (31) pouvant être pressé contre une première branche d'accrochage (06) disposée sur une première paroi de rainure (12).
  2. Dispositif selon la revendication 1, caractérisé en ce que la bande profilée (14) présente plusieurs bandes profilées (38; 39), et en ce que la bande d'appui (24) présente plusieurs bandes d'appui (42; 43).
EP00949055A 1999-05-29 2000-05-25 Dispositif pour serrer et/ou bloquer des plaques souples Expired - Lifetime EP1268210B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19924785 1999-05-29
DE19924785A DE19924785C2 (de) 1999-05-29 1999-05-29 Vorrichtung zum Befestigen von biegsamen Platten
PCT/DE2000/001700 WO2000073066A2 (fr) 1999-05-29 2000-05-25 Dispositif pour serrer et/ou bloquer des plaques souples

Publications (2)

Publication Number Publication Date
EP1268210A2 EP1268210A2 (fr) 2003-01-02
EP1268210B1 true EP1268210B1 (fr) 2004-07-21

Family

ID=7909684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00949055A Expired - Lifetime EP1268210B1 (fr) 1999-05-29 2000-05-25 Dispositif pour serrer et/ou bloquer des plaques souples

Country Status (5)

Country Link
US (1) US6543358B1 (fr)
EP (1) EP1268210B1 (fr)
AT (1) ATE271464T1 (fr)
DE (2) DE19924785C2 (fr)
WO (1) WO2000073066A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10058996C1 (de) * 2000-11-28 2002-06-13 Koenig & Bauer Ag Vorrichtung zur Befestigung eines Aufzuges
DE10219073A1 (de) 2001-05-23 2002-11-28 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zum Befestigen einer Druckplatte auf einem Plattenzylinder einer Rotationsdruckmaschine
DE10218475B4 (de) * 2002-04-25 2006-06-29 Koenig & Bauer Ag Zylinder einer Rotationsdruckmaschine mit einem Aufzug
DE10218474A1 (de) 2002-04-25 2003-11-20 Koenig & Bauer Ag Vorrichtungen zum Befestigen von mindestens einem Aufzug auf einem Zylinder einer Rotationsdruckmaschine und ein Druckwerk mit dieser Vorrichtung
DE102005045506A1 (de) * 2005-09-23 2007-03-29 Man Roland Druckmaschinen Ag Biegemaschine mit beweglicher Druckleiste
EP2047994A1 (fr) * 2007-10-10 2009-04-15 WIFAG Maschinenfabrik AG Cylindre d'impression avec un canal de serrage pour une plaque d'impression
DE102007055282A1 (de) * 2007-11-20 2009-06-04 Wifag Maschinenfabrik Ag Klemmvorrichtung mit schwenkbeweglichem Klemmstück

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900904A (en) * 1953-06-08 1959-08-25 Hantscho George Printing press rollers
US4347788A (en) * 1980-05-01 1982-09-07 Harris Corporation Plate lockup mechanism
DD266233A3 (de) * 1987-07-02 1989-03-29 Polygraph Leipzig Vorrichtung zum befestigen einer biegsamen druckplatte
DE3731039A1 (de) * 1987-09-16 1989-03-30 Koenig & Bauer Ag Einrichtung zum klemmen biegsamer druckplatten auf dem plattenzylinder einer rotationsdruckmaschine
DE4335140C1 (de) * 1993-10-15 1995-02-02 Roland Man Druckmasch Vorrichtung zum Befestigen einer biegsamen Druckplatte

Also Published As

Publication number Publication date
WO2000073066A3 (fr) 2002-10-17
DE19924785C2 (de) 2001-04-19
EP1268210A2 (fr) 2003-01-02
DE19924785A1 (de) 2000-12-28
US6543358B1 (en) 2003-04-08
DE50007161D1 (de) 2004-08-26
WO2000073066A2 (fr) 2000-12-07
ATE271464T1 (de) 2004-08-15

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