EP0184180B1 - Support pour cylindres de clichés dans une machine d'impression de péférence pour la flexographie avec des chemises de cylindre de cliché échangeables en forme de manchons - Google Patents

Support pour cylindres de clichés dans une machine d'impression de péférence pour la flexographie avec des chemises de cylindre de cliché échangeables en forme de manchons Download PDF

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Publication number
EP0184180B1
EP0184180B1 EP85115295A EP85115295A EP0184180B1 EP 0184180 B1 EP0184180 B1 EP 0184180B1 EP 85115295 A EP85115295 A EP 85115295A EP 85115295 A EP85115295 A EP 85115295A EP 0184180 B1 EP0184180 B1 EP 0184180B1
Authority
EP
European Patent Office
Prior art keywords
forme cylinder
bearing
cylinder
format cylinder
carriage
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
EP85115295A
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German (de)
English (en)
Other versions
EP0184180A3 (en
EP0184180A2 (fr
Inventor
Anton Rombout
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 EP0184180A2 publication Critical patent/EP0184180A2/fr
Publication of EP0184180A3 publication Critical patent/EP0184180A3/de
Application granted granted Critical
Publication of EP0184180B1 publication Critical patent/EP0184180B1/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression 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
    • B41F27/10—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
    • 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 bearing for format cylinders of a printing press, preferably a flexographic printing press, with exchangeable sleeve-shaped format cylinder jackets according to the preamble of patent claim 1.
  • the bearing block In a bearing of the type specified in DE-C-891 396, the bearing block is designed as a conical disk and is held in a complementary conical opening of the machine frame wall by clamping elements. The loosening and fixing of the bearing block is therefore relatively expensive in the known storage.
  • a bearing for a format cylinder known from FR-A-2 353 395
  • a bearing is completely withdrawn from a bearing journal of the format cylinder in the axial direction by means of a special pull-off device, while on the journal which projects outward from the undissolved bearing, the format cylinder in its horizontal position-holding abutment or a hydraulically operated pulling device attacks, so that the format cylinder jacket can be removed from the format cylinder core which is freely cantilevered on an axle journal and can be replaced by another jacket.
  • this known device not only is the complete removal of a bearing complex, but the undissolved bearing is also undesirably stressed when changing the format cylinder jacket, since this has to absorb the full reaction forces. which result from the support of the free end of the bearing journal on an abutment or on the hydraulic pulling device.
  • the object of the invention is to provide a bearing according to the preamble of claim 1, which allows easier and faster replacement of the sleeve-shaped format cylinder jacket.
  • the format cylinder is first supported in the area of its non-detachable bearing in such a way that it is held in a cantilevered position in a cantilevered manner even without the bearing to be detached. Subsequently, the detachable bearing is pushed on its slide-shaped movable support part so far in the axial direction that it is released from the shaft journal of the format cylinder and the format cylinder in the area of the undissolved bearing is only held by the support device. The inner ends of the guides of the bearing support part are then released from the machine frame or the format cylinder slide, so that the bracket with the guides can be pivoted out and the bearing comes completely out of the area of the format cylinder. The sleeve-shaped format cylinder jacket can then be pulled off the format cylinder core in the axial direction with the usual aids, without bearing or support parts being in the way.
  • the fixation can consist, for example, of a T-shaped head which can be inserted into a corresponding recess in the supporting part and which can be clamped to the machine frame and the format cylinder slide by an eccentric.
  • the support device for the format cylinder consists of hydraulic piston cylinder units arranged in the machine frame or on the format cylinder slide on both sides of the undissolved bearing, of which the piston rod of the inner cylinder with a support shell which can be extended against an inner part of the shaft journal of the format cylinder core and the piston rod of the outer cylinder with an outer part the retractable support yoke, which forms the upper boundary of a window-like section of a pulling part, is provided for the shaft journal of the format cylinder.
  • the window-like The cut-out must have such a high height that the format cylinder can be lifted into its "print-off" position without hindrance during the printing operation when the pulling part is raised.
  • Format cylinders in particular from flexographic printing presses, are usually mounted on format cylinder slides, so that the bracket with the guides for the supporting part of the detachable bearing forms the front end piece of the format cylinder slide.
  • the supporting part can be guided over ball bushings on two guide rods made of round steel.
  • the guide rods are expediently provided with axial bores in which screw bolts are arranged for their locking, which are provided with heads supported on the outside of the bracket and provided with handles and at their front ends with threaded parts which can be screwed into the format cylinder slide.
  • the printing cylinder 2 which is provided with a drive (not shown), is mounted in the machine frame 1 of the flexographic printing press.
  • the machine frame 1 is provided with approximately radial support arms or brackets 3, on which format cylinder slides 4 are guided in a longitudinally displaceable manner and which are provided on both sides with bearing blocks 5 for the format cylinders 6.
  • the format cylinder slides 4 are provided with spindles for moving the format cylinders 6 to the impression cylinder 2.
  • the bearing blocks 5 for the format cylinders are provided with incorporated cylinders and with pistons provided with lip seals, as are described, for example, in DE-C-29 41 521.
  • the format cylinder 6 is provided with shaft journals 20, 21 which are mounted in slide bearing bushes 22, 23 which are provided with spherical outer sides which are held in corresponding spherical shells of the bearing blocks.
  • the leg 11 of the bracket 3 is provided on both sides with support pieces 24, 25 to which hydraulic piston cylinder units 26, 27 are attached.
  • the support pieces 24, 25 can also be attached to the format cylinder slide 4.
  • the piston rod 28 of the piston-cylinder unit 26 carries at its upper end a support shell 29 which can be moved from below to support the format cylinder 6 against a section 30 of the shaft journal of the format cylinder 6 that compresses via a shoulder.
  • the outer section 31 of the shaft journal of the format cylinder 6 is tapered over a shoulder in relation to the section 20 serving for storage and extends through an elongated window 32
  • Traction part 33 which is connected to the piston rod 34 of the piston-cylinder unit 27.
  • the pulling part 32 engages with a screwed-on yoke 35 on the outer section 31 of the shaft journal, whereby the yoke 35 can be lowered by retracting the piston rod 34 to such an extent that it rests on the upper side of the section 31 of the shaft journal.
  • the lever 36 connected to the piston rod 34 actuates the microswitch 37. This ensures that the "print-down" position and the disengaged drive are locked to the format cylinder 6.
  • the swivel bracket 41 which consists of an angled lever, is pivotably connected to the web 12 of the format cylinder slide 4 about the vertical hinge pin 40.
  • the guides consisting of the rods 43, 44 are fastened parallel to one another.
  • the opposite ends of the guide rods 43, 44 are connected to one another by the web 45.
  • the bearing block 14 for the bearing 16 is guided in a longitudinally displaceable manner.
  • the bearing block 14 is provided with two bores 46, in which ball bushings are held by clamping rings which run on the guide rods 43, 44.
  • the guide rods 43, 44 are provided with axial bores which pass through the bolts 48.
  • the outer ends of the bolts 48 are connected to head pieces 49, which are supported on the outer sides of the leg 42 of the swivel bracket 41 and are provided with handles 50.
  • the inner ends of the bolts 48 are provided with threads 51 which in Corresponding threaded bores of a wall part 52 of the web part 12 of the format cylinder slide 4 can be screwed in.
  • the swivel bracket 41 has two forked bearing legs 54, 55, which enclose a web-shaped bearing part 56 of the format cylinder slide 4.
  • the support shell 29 and the yoke 35 of the tension member 33 are first moved into their support positions shown in FIG. 2.
  • the format cylinder 6 is held on its left shaft journal at its sections 30, 31, so that after the bearing 16 has been removed, the format cylinder 6 remains in its position.
  • the not shown locking or locking of the bearing block 14 with the web 12 of the format cylinder slide 4 is first released. After this loosening and after a possible loosening of the bearing shells of the bearing 16, the bearing 16 can be pulled off the shaft journal 21 by axially moving the bearing block 14. The bearing block 14 is pulled out so far that it is in the vicinity of the leg 42 of the swivel bracket 41. The screw bolts 48 are then rotated via the handles 50 until they are screwed out of the web part 52 of the format cylinder slide 4. In this position, the swivel bracket 41 with the bearing block 14, the piston-cylinder unit 18 and the bearing 16 can be pivoted into the dash-dotted position shown in FIG. 3. In this, the sleeve-shaped format cylinder jacket can now be removed from the format cylinder 6 for exchange with another in the usual way.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Claims (3)

1. Support pour cylindres declichés (6) dans une machine d'impression de préférence pour la flexographie avec des chemises de cylindre de cliché échangeables en forme de manchons dans laquelle, pour changer chaque chemise de cylindre de cliché, un tourillon (20, 31) du noyau du cylindre de cliché reste relié par un palier (15) non desserré au bâti de la machine d'impression ou à un chariot porte-cylindre de cliché guidé pour coulisser dans ce bâti, dans lequel l'autre palier (16), pour être séparé de l'autre tourillon (21), est pourvu d'un support de palier (14) pouvant coulisser à la façon d'un chariot sur des guidages (43, 44) dans le sens axial du cylindre de cliché (6), dans lequel les guidages (43, 44) sont fixés par leurs extrémités extérieures à un étrier (41) relié de façon pivotable au chariot porte-cylindre de cliché (4) et dans lequel il est prévu un dispositif pour supporter le cylindre de cliché qui n'est monté dans un palier qu'à une extrémité, caractérisé en ce que les guidages (43, 44) peuvent être verrouillés par leurs extrémités intérieures au bâti de la machine ou au chariot porte-cylindre de cliché, que l'étrier (41) forme avec les guidages (43, 44) pour le support de palier (14) du palier (16) séparable la pièce terminale avant d'un côté du cylindre de cliché (6), que, dans le bâti de la machine ou sur le chariot porte-cylindre de cliché (4), sont disposées dans le sens axial du cylindre de cliché (6) de part et d'autre du palier (15) non détaché, pour soutenir le noyau du cylindre de cliché, des unités piston/cylindre hydrauliques (26, 27) dont la tige de piston (28) du cylindre intérieur est pourvue d'une coque de soutien (29) pouvant être amenée contre une partie intérieure (30) du bout d'arbre du noyau du cylindre de cliché et dont la tige de piston (34) du cylindre extérieur est pourvue d'une culasse de soutien rétractible s'engageant par dessus la partie (31) extérieure du tourillon du noyau du cylindre de cliché qui forme la limite supérieure d'une découpe (32) en forme de fenêtre d'une pièce de traction (33).
2. Support selon la revendication 1, caractérisé en ce que le support de palier (14) est guidé par des colonnes à billes (47) sur deux colonnes de guidage (43, 44) formées de ronds d'acier.
3. Support selon la revendication 1 ou la revendication 2, caractérisé en ce que les colonnes de guidage sont dotées d'alésages axiaux, où sont disposés, pour leur verrouillage, des boulons (48), qui sont munis de têtes (49) en appui sur la face extérieure de l'étrier (41) et pourvues de poignées (50), et à leur extrémité avant de parties filetées (51) aptes à être vissées sur le chariot porte-cylindre de cliché (4).
EP85115295A 1984-12-04 1985-12-03 Support pour cylindres de clichés dans une machine d'impression de péférence pour la flexographie avec des chemises de cylindre de cliché échangeables en forme de manchons Expired - Lifetime EP0184180B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3444192 1984-12-04
DE3444192 1984-12-04
DE19853500319 DE3500319A1 (de) 1984-12-04 1985-01-07 Lagerung fuer formatzylinder einer druckmaschine, vorzugsweise flexodruckmaschine, mit austauschbaren huelsenfoermigen formatzylindermaenteln
DE3500319 1985-01-07

Publications (3)

Publication Number Publication Date
EP0184180A2 EP0184180A2 (fr) 1986-06-11
EP0184180A3 EP0184180A3 (en) 1988-01-20
EP0184180B1 true EP0184180B1 (fr) 1990-08-08

Family

ID=25827052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85115295A Expired - Lifetime EP0184180B1 (fr) 1984-12-04 1985-12-03 Support pour cylindres de clichés dans une machine d'impression de péférence pour la flexographie avec des chemises de cylindre de cliché échangeables en forme de manchons

Country Status (4)

Country Link
US (1) US4697516A (fr)
EP (1) EP0184180B1 (fr)
CA (1) CA1259223A (fr)
DE (1) DE3500319A1 (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3702889A1 (de) * 1987-01-31 1988-08-11 Roland Man Druckmasch Vorrichtung zum aufbringen einer huelse auf einen druckwerkzylinder
DE3705477C1 (de) * 1987-02-20 1988-05-26 Roland Man Druckmasch Haltevorrichtung fuer das Aufbringen einer Huelse auf einen Zylinder
DE3715536A1 (de) * 1987-05-09 1988-12-01 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
JP2512501Y2 (ja) * 1987-06-09 1996-10-02 株式会社 サト− 印字装置用のカ−ボンリボン供給装置
DE4008501A1 (de) * 1989-12-18 1991-06-20 Windmoeller & Hoelscher Druckmaschine mit presseurs mit austauschbaren huelsenfoermigen presseurmaenteln
DE4005890A1 (de) * 1990-02-24 1991-09-05 Bielomatik Leuze & Co Klischeehuelsen-montagevorrichtung
DE4036391A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
DE4036387A1 (de) * 1990-11-15 1992-05-21 Roland Man Druckmasch Lagerung fuer einen druckwerkzylinder
IT1253804B (it) * 1991-11-21 1995-08-23 Apparecchiatura per la sostituzione automatica dei gruppi di stampa (calamai) equipaggianti, in particolare macchine flessografiche.
DE9208023U1 (de) * 1992-06-15 1992-11-26 Windmöller & Hölscher, 4540 Lengerich Farbwerk mit einendig gelagerter Rasterwalze sowie mit einendig gelagerten Formatzylinder
GB2267869B (en) * 1992-06-15 1995-07-26 Windmoeller & Hoelscher An inking unit having a cantilevered inking roller, as well as a cantilivered plate cylinder
US5237920A (en) * 1992-06-22 1993-08-24 Heidelberg Harris Inc. Apparatus for supporting a cylinder in a rotary printing unit
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
DE4408026A1 (de) * 1994-03-10 1995-09-14 Koenig & Bauer Ag Druckwerk für eine Mehrfarbenrollenrotationsdruckmaschine
DE4429891C2 (de) * 1994-08-24 2003-05-08 Koenig & Bauer Ag Mehrfarbenrollenrotationsdruckmaschine
AT403034B (de) * 1995-03-15 1997-10-27 Helmut Ing Berger Walze für maschinen zur führung von bahnenförmigem flächigen material
IT1274414B (it) * 1995-05-02 1997-07-17 M A F S P A Gruppo di supporto per cilindri portacliche' particolarmente in macchine da stampa flessografiche
ES2127658B1 (es) * 1995-05-04 1999-12-16 Comexi Sa Procedimiento para el recambio de la camisa portacliches en maquinas de impresion flexografica.
DE19603500A1 (de) * 1996-01-31 1997-08-07 Polywest Kunststofftechnik Hülse für eine Tiefdruckwalze, Verfahren zu ihrer Herstellung und Arbeitsverfahren der Vorrichtung zur Herstellung
US5816154A (en) * 1997-05-09 1998-10-06 Bryce International, L.L.C. Print cylinder support for axial removal of a cylindrical sleeve
US5943955A (en) * 1997-08-29 1999-08-31 Goss Graphic Systems, Inc. Printing press having cantilevered self-driven cylinders
US5806427A (en) * 1997-08-29 1998-09-15 Goss Graphic Systems, Inc. Printing press having carriage mounted interchangeable plate cylinders
IT1299666B1 (it) * 1998-05-05 2000-03-24 Uteco Spa Roto Flexo & Convert Macchina rotativa flessografica a tamburo centrale a piu' colori
EP1010522A1 (fr) * 1998-12-14 2000-06-21 Fischer & Krecke Gmbh & Co. Dispositif pour manipuler des cylindres d'impression
US6186068B1 (en) 1999-05-18 2001-02-13 Creo Srl Method for holding printing sleeves in an imaging device
US6142073A (en) * 1999-08-20 2000-11-07 Paper Converting Maching Company Method and apparatus for exchanging a roll of a printing press
US6343547B1 (en) * 1999-11-12 2002-02-05 Heidelberger Druckmaschinen Ag Cantilevered cylinder counterpoise device and method
EP1221367B2 (fr) † 2001-01-04 2010-09-08 Fischer & Krecke Gmbh & Co. Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre
DE20321548U1 (de) * 2003-09-19 2007-11-29 Gallus Druckmaschinen Gmbh Rotationsdruckmaschine
ITVR20040141A1 (it) 2004-09-10 2004-12-10 Valentini Maria Grazia Dispositivo di supporto e ritenuta a rilascio per un mozzo di un cilindro per macchina da stampa.
US20100122638A1 (en) * 2008-11-18 2010-05-20 C.G. Bretting Manufacturing Co., Inc. Flexographic Printing Apparatus And Method
CN113183623A (zh) * 2021-04-29 2021-07-30 无锡光群雷射科技有限公司 快速换版装置及换版方法

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Publication number Priority date Publication date Assignee Title
DE490994C (de) * 1927-08-11 1930-02-05 Johannisberg G M B H Maschf Zylinderlagerung, insbesondere Formzylinderlagerung an Rotationsdruckmaschinen
DE657921C (de) * 1935-01-23 1938-03-17 Vomag Betr S A G Ausschwenkvorrichtung fuer Formzylinder von Rotationsdruckmaschinen, insbesondere Rotationstiefdruckmaschinen
DE891396C (de) * 1942-09-22 1953-11-05 Albert Schnellpressen Tiefdruckformzylinder
US2460504A (en) * 1944-10-24 1949-02-01 William C Huebner Printing apparatus
DE945148C (de) * 1951-03-01 1956-07-05 Albert Schnellpressen Rotationstiefdruckmaschine
US2790384A (en) * 1953-05-14 1957-04-30 Druckmaschinenwerk Victoria Ve Making-ready machines
US2925037A (en) * 1956-12-07 1960-02-16 Paul E Fischer Apparatus for changing printing assembly
DE1292957B (de) * 1963-01-07 1969-04-17 Peder Mortensen As Anordnung an hohlen Druckwalzen
US3789757A (en) * 1971-03-26 1974-02-05 Motter J Printing Press Co Printing press having automatic printing cylinder loading and unloading apparatus
GB1581233A (en) * 1976-06-02 1980-12-10 Drg Uk Ltd Printing press

Also Published As

Publication number Publication date
EP0184180A3 (en) 1988-01-20
CA1259223A (fr) 1989-09-12
DE3500319A1 (de) 1986-06-05
DE3500319C2 (fr) 1987-07-30
EP0184180A2 (fr) 1986-06-11
US4697516A (en) 1987-10-06

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