EP1511630B1 - Remplacement des manchons porte-cliche dans une presse flexo - Google Patents

Remplacement des manchons porte-cliche dans une presse flexo Download PDF

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Publication number
EP1511630B1
EP1511630B1 EP03735390A EP03735390A EP1511630B1 EP 1511630 B1 EP1511630 B1 EP 1511630B1 EP 03735390 A EP03735390 A EP 03735390A EP 03735390 A EP03735390 A EP 03735390A EP 1511630 B1 EP1511630 B1 EP 1511630B1
Authority
EP
European Patent Office
Prior art keywords
printing press
cylinder
impression roll
bearing block
sleeve
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
EP03735390A
Other languages
German (de)
English (en)
Other versions
EP1511630A2 (fr
Inventor
Robert Blom
Dietmar Koopmann
Günter Rogge
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP1511630A2 publication Critical patent/EP1511630A2/fr
Application granted granted Critical
Publication of EP1511630B1 publication Critical patent/EP1511630B1/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
    • B41F27/14—Devices for attaching printing elements or formes to supports for attaching printing formes to intermediate supports, e.g. adapter members
    • 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
    • B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/10—Relief printing
    • B41P2200/12—Flexographic printing
    • 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
    • B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
    • B41P2227/21—Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press

Definitions

  • the invention relates to a printing machine, preferably a flexographic printing machine, with at least one impression cylinder and at least one occupied with an adapter sleeve and / or a jacket sleeve pressure roller, the bearings of the pressure roller are movable relative to the impression cylinder in guides and a bearing for intercepting the journal of the free end of the pressure roller is provided, which is removable, wherein the pressure roller is then stored in the bearing of the bearing block flying, and wherein for the purpose of relative change in position between the adapter sleeve and / or jacket sleeve and the pressure roller two waves are provided which are parallel to the center line of the pressure roller Are mounted longitudinally displaceable.
  • Such a printing press is for example from the DE 197 05 369 A1 known, in which the bearing block with the interceptor for the pressure roller in the printing press frame is moved transversely to the pressure roller, so that the cantilevered pressure roller from one side, for example, through a window of the side frame of the printing press frame is freely accessible to a jacket sleeve and / or to push off an adapter sleeve for the jacket sleeve and raise.
  • the DE 100 44 909 A1 shows an apparatus and method for removing a printing sleeve from a printing press cylinder.
  • a first embodiment of a device for removing cylinder sleeves comprises a band which can be fastened by means of a tensioning device on the cylinder sleeve.
  • the second embodiment of a device for removing cylinder sleeves of DE 100 44 909 A1 includes a clamp arm that can grasp the cylinder sleeve of the cylinder. In both cases, the sleeve can be grasped from the operating side of the printing press and pulled off from the cylinder core. This is done manually or by means of a robot.
  • a removal device is described which is arranged on the operating side of the opposite end of the pressure roller. About guides moving in the axial direction gripping arms are also moved radially so that they can take the sleeve on its outer periphery, move relative to the core and then release again.
  • the EP 1 090 754 A1 shows a device for changing a printing cylinder sleeve in a printing press
  • the interior of the core is first applied in known manner through holes with compressed air.
  • the ejector is extended by means of the actuating cylinder, so that the pressure cylinder sleeve is a piece far away from the cylinder core. Since the ejector is arranged fixed to the frame on the machine frame, the carriage in which the pressure cylinder is mounted, must first be aligned so that only the pressure cylinder sleeve to be deported is detected by the piston (ejector) of the actuating cylinder.
  • the object of the invention is therefore to provide a printing machine of the type specified, in which can be pushed out of the pressure roller in a simple manner, the jacket sleeve and / or the adapter sleeve.
  • the radial arms are provided with end pressure pieces.
  • the shafts can be rotatably mounted at their outer ends with a holding piece and provided with a rotary drive.
  • the holding piece is expediently provided with a drive for its displacement relative to the bearing block.
  • the printing press according to the invention can be after the removal of the interceptor from the free end of the cantilevered pressure roller from this easily deport a jacket sleeve and / or an adapter sleeve, that the plungers by axial movement and radial pivoting in a corresponding system to the end the jacket sleeve and / or the adapter sleeve are brought, so that subsequently by axial movement of the pressure pieces relative to the pressure roller, the jacket sleeve and / or the adapter sleeve can be deported from the pressure roller.
  • the rotary drive consists of a pressure medium piston-cylinder unit whose cylinder and the piston rod are articulated in each case at the ends of the radial lever of the shafts. In this way, it is easy to give the radial levers a pincer-like opening or closing movement.
  • the drive in the axial direction to the pressure roller traversing the holding piece consists of at least one pressure medium piston-cylinder unit whose ends engage the holding piece and the bearing block.
  • a pressure medium piston-cylinder unit with a short-stroke cylinder and a pressure medium piston-cylinder unit with a Weithubzylinder coupled together and the outer sides are connected on the one hand to the holding piece and on the other hand with the bearing block.
  • the Kurzhubzylinder the correct position applying the thrust pieces to the jacket sleeve and / or the adapter sleeve and the Weithubzylinder the removal of the jacket sleeve and / or the adapter sleeve of the pressure roller and possibly also the mounting.
  • the Weithubzylinder is suitably mounted in a bore of the bearing block.
  • the plungers are adapted to the shape of the sheath sleeve and / or adapter sleeve to be deported by the pressure roller.
  • the jacket sleeve For pushing and also for mounting the jacket sleeve on the pressure roller or the adapter sleeve, the jacket sleeve can be provided at its the pressure roller flying overlying bearing block facing end portion with an annular groove and the plungers with cross in this annular grooves wedges.
  • Fig. 1 is a side view of the front of two associated with the printing machine frame cantilevered side frames 1, which are provided with apertures 2 forming windows in the area on guide rails 3, the bearing blocks 4, 5 a pressure roller 10 and an anilox roller 7 are movably mounted in such a way that the anilox roller 7 can be adjusted to the pressure roller 10 and from this and the pressure roller 10 can be adjusted by itself or together with the anilox roller 7 to the impression cylinder 8.
  • the two bearing blocks 4 for the pressure roller 10 are moved by spindle drives 9.
  • the drives for the bearing blocks 5 of the anilox roller are not shown.
  • the pressure roller 10 is cantilevered in a bearing block 11, which is guided in the rear side frame 1 'on guide rails 3' movable.
  • the front shaft journal 12 of the pressure roller 10 is mounted in a trapping 13 during the printing operation, which in the Fig. 2 apparent position of the shaft journal 12 is released and moved to the side, so that the pressure roller and held on this jacket sleeve 14 and this carrying adapter sleeve 15 are freely accessible through the window 2 of the front side frame 1.
  • the type of storage of the shaft journal 12 of the pressure roller 10 in the interceptor storage 13 and the release of the shaft journal 12 from the interceptor storage 13 and the lateral process of this interceptor storage are from the DE 197 05 369 A1 known.
  • the shafts 17, 18 are longitudinally displaceably and rotatably guided and supported parallel to each other and at a distance and symmetrically to a center line of the pressure roller 10 intersecting vertical plane below the pressure roller 10.
  • On the bearing block 11 passing through the front ends 19 of the shafts 17, 18 are forceps-like radial arms 20 are non-rotatably mounted, carry their freely upwardly projecting ends jaws in the form of pressure pieces 21.
  • the rear ends of the shafts 17, 18 are rotatably mounted in a plate-shaped holding piece 22 but axially immovable.
  • a plate-shaped holding piece 22 At the holding piece 22 passing through the rear shaft journal of the shafts 17, 18 are non-rotatably mounted radial lever 23, at the free ends of the cylinder 24 and on the other hand the piston rod 25 of a pressure medium piston-cylinder unit is mounted.
  • the piston rod 27 On the holding piece 22 of the short-stroke cylinder 26 of a pressure medium-piston-cylinder unit is fixed, the piston rod 27 is connected by a coupling piece 28 with the piston rod 29 of a Weithubzylinders 30 of a pressure medium piston-cylinder unit in a bore 31 of the bearing block 11 is attached.
  • the jaws or plungers 21 carry at their ends cushioning or buffering pieces 22, which serve the gentle contact with the jacket sleeve 14 or the adapter sleeve 15.
  • the pressure piece 21 is applied by appropriate extension of the Kurzhubzylinders 26 and pivoting the arms 20 to the front end side of the adapter sleeve 15 so that the adapter sleeve 15 can be deported from the pressure roller 10 by actuation of the Weithubzylinders 30.
  • the Fig. 4B shows the right in Fig. 2 circled part.
  • Fig. 4 A, C and D. show operations that the left circled part in Fig. 2 affect.
  • the buffering part 22 of the pressure piece 21 is applied only to the end face of the jacket sleeve 14, so that initially only this can be deported from the adapter sleeve 15.
  • the according to Fig. 4C specially designed pressure piece 21 is provided with a shoulder 35 which abuts against an annular projection 36 of the adapter sleeve 15 and thus shunts them from the pressure roller 10, if already the jacket sleeve has been deported by a predetermined distance from the adapter sleeve 15.
  • This type of gradual deportation facilitates handling when the adapter sleeve with the jacket sleeve of the Pressure roller is deported because then the jacket sleeve can be easily deducted from the adapter sleeve.
  • the jacket sleeve 14 is provided with an annular groove into which the wedge-shaped buffering piece 22 of the pressure piece 21 engages, so that the jacket sleeve 14 can be deported by itself from the adapter sleeve 15 or can be mounted on this.
  • the pressure piece is provided with a sensor, such as an optical sensor 37 which detects a mounted on the jacket sleeve brand, so that the rotational position of the jacket sleeve can be detected for the pressure pickup.
  • a sensor such as an optical sensor 37 which detects a mounted on the jacket sleeve brand, so that the rotational position of the jacket sleeve can be detected for the pressure pickup.
  • the page register of the printing unit can be used to adjust.

Landscapes

  • Rotary Presses (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Claims (10)

  1. Machine d'impression, de préférence machine d'impression flexographique,
    - avec au moins un cylindre de contre-pression (8) et
    - avec au moins un rouleau imprimeur (10) muni d'un manchon adaptateur (15) et/ou d'un manchon d'enveloppe (14),
    où les paliers du rouleau imprimeur (10) sont déplaçables relativement au cylindre de contre-pression (8) dans des guidages, et un palier (13) pour recevoir le pivot d'arbre (12) de l'extrémité libre du rouleau imprimeur (10) est prévu, qui (13) peut être retiré, où le rouleau imprimeur est logé ensuite d'une manière volante dans le palier du support de palier (11), et
    - où sont prévus dans le but de la modification relative de la position entre le manchon adaptateur (15) et/ou le manchon d'enveloppe (14) et le rouleau imprimeur (10) deux arbres (17, 18) qui sont logés parallèlement à la ligne médiane du rouleau imprimeur (10) d'une manière déplaçable longitudinalement,
    caractérisé
    - en ce que les arbres (17, 18) sont logés d'une manière déplaçable longitudinalement dans le support de palier (11) logeant d'une manière volante le rouleau imprimeur (10),
    - en ce que chaque arbre (17, 18) comprend à son extrémité avant (19) orientée vers le rouleau imprimeur un bras de préhension radial (20),
    - en ce que les arbres (17, 18) sont logés dans le support de palier d'une manière tournante autour de leurs axes longitudinaux,
    - en ce que des parties de chaque bras de préhension, par un déplacement axial et un pivotement radial, peuvent être amenées en application aux zones d'extrémité de la douille d'enveloppe et/ou de la douille d'adaptateur.
  2. Machine d'impression selon la revendication 1, caractérisée en ce que les bras de préhension radiaux (20) sont munis de pièces de pression (21) côté extrémité.
  3. Machine d'impression selon la revendication 1 ou 2, caractérisée en ce que les arbres (17, 18) sont logés d'une manière tournante à leurs extrémités extérieures dans une pièce de retenue (22) et sont munis d'un organe d'entraînement en rotation.
  4. Machine d'impression selon la revendication 3, caractérisée en ce que la pièce de retenue (22) est munie d'un entraînement pour le déplacement de celle-ci relativement au support de palier (11).
  5. Machine d'impression selon la revendication 3, caractérisée en ce que l'organe d'entraînement en rotation est constitué d'une unité à piston et à cylindre à fluide sous pression dont le cylindre (24) et dont la tige de piston (25) sont articulés respectivement aux extrémités de leviers radiaux (23) des arbres (17, 18).
  6. Machine d'impression selon la revendication 3 ou 5, caractérisée en ce que l'entraînement déplaçant la pièce de retenue (22) dans la direction axiale vers le rouleau imprimeur (10) est constitué d'au moins une unité à piston et à cylindre à fluide sous pression dont les extrémités s'appliquent à la pièce de retenue (22) et au support de palier (11).
  7. Machine d'impression selon la revendication 6, caractérisée en ce qu'une unité à piston et à cylindre à fluide sous pression avec un cylindre à course courte (26) et une unité à piston et à cylindre à fluide sous pression avec un cylindre à course large (30) sont couplées l'une à l'autre et que les côtés extérieurs des deux unités à piston et à cylindre à fluide sous pression sont reliés, d'une part, à la pièce de retenue (22) et, d'autre part, au support de palier (11).
  8. Machine d'impression selon la revendication 7, caractérisée en ce que le cylindre à course large (30) est retenu dans un perçage (31) du support de palier (11).
  9. Machine d'impression selon l'une des revendications 2 à 8, caractérisée en ce que les pièces de pression (21) sont adaptées à la forme du manchon d'enveloppe (14) et/ou du manchon adaptateur (15) à pousser depuis le rouleau imprimeur (10).
  10. Machine d'impression selon l'une des revendications 2 à 9, caractérisée en ce qu'un manchon d'enveloppe (14), à sa zone d'extrémité orientée vers le support de palier (11) logeant d'une manière volante le rouleau imprimeur (10) est muni d'une rainure annulaire, et les pièces de pression (21) de coins s'engageant dans cette rainure annulaire.
EP03735390A 2002-05-08 2003-05-08 Remplacement des manchons porte-cliche dans une presse flexo Expired - Lifetime EP1511630B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10220608 2002-05-08
DE10220608A DE10220608C1 (de) 2002-05-08 2002-05-08 Druckmaschine
PCT/EP2003/005064 WO2003095205A2 (fr) 2002-05-08 2003-05-08 Presse a imprimer

Publications (2)

Publication Number Publication Date
EP1511630A2 EP1511630A2 (fr) 2005-03-09
EP1511630B1 true EP1511630B1 (fr) 2010-07-28

Family

ID=28799024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03735390A Expired - Lifetime EP1511630B1 (fr) 2002-05-08 2003-05-08 Remplacement des manchons porte-cliche dans une presse flexo

Country Status (6)

Country Link
US (1) US7225736B2 (fr)
EP (1) EP1511630B1 (fr)
AU (1) AU2003236651A1 (fr)
DE (2) DE10220608C1 (fr)
ES (1) ES2346862T3 (fr)
WO (1) WO2003095205A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10304109A1 (de) * 2003-01-31 2004-08-19 Windmöller & Hölscher Kg Druckwerk einer Druckmaschine
DE102008040328B4 (de) 2008-07-10 2011-02-24 Windmöller & Hölscher Kg Farbwerk einer Druckmaschine und Verfahren zum Aufschieben einer Zylinderhülse
US20100122638A1 (en) * 2008-11-18 2010-05-20 C.G. Bretting Manufacturing Co., Inc. Flexographic Printing Apparatus And Method
US9126395B2 (en) 2012-04-30 2015-09-08 Rossini S.P.A. Bridge sleeves with diametrically expandable stabilizers
US9120302B2 (en) 2012-04-30 2015-09-01 Rossini S.P.A. Bridge sleeves with diametrically expandable stabilizers
EP3227102B1 (fr) * 2014-12-04 2019-02-27 Bobst Mex Sa Extracteur de manchons, groupe de transformation d'un support plan, et procédé d'extraction de manchons

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1483371A (en) * 1974-09-26 1977-08-17 Buckley Ltd M Printing processes and apparatus
DE3167878D1 (en) * 1980-12-04 1985-01-31 Dainippon Printing Co Ltd Sleeve-type gravure printing cylinder and method and apparatus for its assembly
DE3702889A1 (de) * 1987-01-31 1988-08-11 Roland Man Druckmasch Vorrichtung zum aufbringen einer huelse auf einen druckwerkzylinder
US5289769A (en) * 1992-08-17 1994-03-01 W. O. Hickok Mfg., Co. Method and apparatus for changing a printing sleeve
US5370047A (en) * 1993-12-01 1994-12-06 Paper Converting Machine Company Flexographic press adapted for short runs and method
DE4341246C1 (de) 1993-12-03 1995-02-23 Roland Man Druckmasch Einrichtung zur Handhabung von Hülsen auf Zylindern
US5802975A (en) * 1993-12-03 1998-09-08 Man Roland Druckmaschinen Ag Device for manipulating sleeves on cylinders
DE19500729C2 (de) * 1995-01-12 2003-02-20 Mohndruck Graphische Betr E Gm Hülsenwechselvorrichtung für ein Druckwerk
DE19705369C2 (de) * 1997-02-12 2003-03-06 Windmoeller & Hoelscher Druckmaschine
DE19846677C5 (de) * 1998-10-09 2011-02-10 Windmöller & Hölscher Kg Druckwalze mit austauschbarem äußeren Mantel
US6142073A (en) * 1999-08-20 2000-11-07 Paper Converting Maching Company Method and apparatus for exchanging a roll of a printing press
EP1090754B1 (fr) * 1999-10-06 2003-08-06 Fischer & Krecke Gmbh & Co. Dispositif pour échanger un manchon cylindrique à imprimer
US6386103B1 (en) * 1999-10-22 2002-05-14 Heidelberger Druckmaschinen Ag Blanket tube removal device
DE20010068U1 (de) * 2000-05-15 2000-10-12 Windmöller & Hölscher, 49525 Lengerich Formzylinder einer Druckmaschine mit auswechselbaren Druckhülsen
ES2238055T3 (es) * 2002-05-18 2005-08-16 FISCHER & KRECKE GMBH & CO. Dispositivo para la manipulacion de camisas de cilindros de impresion.
DE10234329B3 (de) * 2002-07-26 2004-02-19 Man Roland Druckmaschinen Ag Vorrichtung zur Handhabung einer Hülse auf einem Zylinder einer Druckmaschine
US6647879B1 (en) * 2002-12-26 2003-11-18 Paper Converting Machine Co. Bridge sleeve for printing apparatus

Also Published As

Publication number Publication date
DE10220608C1 (de) 2003-11-06
WO2003095205A3 (fr) 2004-06-17
WO2003095205A2 (fr) 2003-11-20
US7225736B2 (en) 2007-06-05
EP1511630A2 (fr) 2005-03-09
ES2346862T3 (es) 2010-10-21
AU2003236651A8 (en) 2003-11-11
AU2003236651A1 (en) 2003-11-11
DE50312929D1 (de) 2010-09-09
US20050166774A1 (en) 2005-08-04

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