EP0433622B1 - Machine d'impression avec rouleaux presseurs comportant un manteau échangeable en forme de gaine - Google Patents

Machine d'impression avec rouleaux presseurs comportant un manteau échangeable en forme de gaine Download PDF

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Publication number
EP0433622B1
EP0433622B1 EP90120842A EP90120842A EP0433622B1 EP 0433622 B1 EP0433622 B1 EP 0433622B1 EP 90120842 A EP90120842 A EP 90120842A EP 90120842 A EP90120842 A EP 90120842A EP 0433622 B1 EP0433622 B1 EP 0433622B1
Authority
EP
European Patent Office
Prior art keywords
supporting
lever
printing machine
bearing
pressure roller
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
EP90120842A
Other languages
German (de)
English (en)
Other versions
EP0433622A3 (en
EP0433622A2 (fr
Inventor
Herbert Lübke
Volker Schröder
Heinz-Georg Westermann
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 EP0433622A2 publication Critical patent/EP0433622A2/fr
Publication of EP0433622A3 publication Critical patent/EP0433622A3/de
Application granted granted Critical
Publication of EP0433622B1 publication Critical patent/EP0433622B1/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
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/18—Auxiliary devices for exchanging forme cylinders
    • 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
    • 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 press with at least one impression roller, which is provided with an interchangeable sleeve-shaped impression roller jacket and is provided with detachable bearings in such a way that it is freely cantilevered in the machine frame in the region of its one journal in order to change the impression roller jacket.
  • a bearing can be detached by pulling it off a shaft journal of the impression roller with the associated bearing block, which is displaceably guided on guide rods. After the bearing has been pulled off, it can then be swiveled together with the bearing block after loosening the guide rods from a supporting side wall by means of a swivel bracket, so that the impression roller held in the other undissolved bearing between an extendable support shell and a retractable support yoke for the purpose of exchange the impression sleeve can be removed.
  • the devices for removing a bearing and for freely cantilevering the impression roller in the other bearing are relatively complex.
  • the object of the invention is therefore to provide a printing press of the type specified at the outset, which enables the replacement of a press cover in a simple manner.
  • this object is achieved in a printing press of the generic type in that the bearings consist of folding bearings with hinged bearing shells which, after being released, allow the impression roller to pivot out in a horizontal plane that one side of the impression roller is extended with one over the associated folding bearing Shaft journal is provided, on the upper end region of which a support shell is supported, which is rotatable about a vertical axis in the machine frame but is axially immovable, and that a movable horizontal support rail or slideway is provided, which is connected to the impression roller or a shaft part connected to it the bearings can be adjusted and locked from below, so that the impression roller held between the support shell and the support rail can be pivoted out of the open folding bearings about the vertical pivot axis of the support shell.
  • the bearings consist of folding bearings with hinged bearing shells which, after being released, allow the impression roller to pivot out in a horizontal plane that one side of the impression roller is extended with one over the associated folding bearing Shaft journal is provided, on the upper end region of which a support
  • the printing press according to the invention thus allows a replacement of a impression roller jacket in a simple manner in that devices are provided which hold the impression roller after opening the folding bearing and allow its pivoting about a vertical axis provided near a folding bearing, so that it swings out and projects freely held impressioner in its inclined position can remove the impression jacket for its exchange.
  • the folding bearings are of a known design and allow the bearings to be opened and closed quickly.
  • the impression roller is rotated about the vertical axis of the support shell, the slideway of the support rail positioned against the impression roller forming the other abutment to the support shell.
  • the support shell can consist of a shell of a plain bearing, so that it does not have to be removed even during printing.
  • the support rail is expediently held on the end region of a support lever which is pivotably mounted in the machine frame and which can be pivoted between its pivoted-out holding position and its folded-in ready position by means of a support device.
  • the support rail can be attached to the piston rod of a pressure medium piston-cylinder unit.
  • the support lever carrying the support rail can also be pivoted by a pressure medium-piston-cylinder unit.
  • the support device expediently consists of a toggle lever system, one end of which is mounted on the support lever and the other end of which is mounted on the machine frame and which can be blocked in its extended position holding the lever in its support position.
  • One of the toggle levers is expediently provided with a groove, between the legs of which the other toggle lever is mounted, so that the other toggle lever partially dips into the groove in the folded position.
  • the support lever and the toggle lever system are arranged in the recess of a side part of the machine frame in such a way that they can be folded into this recess in the ready position.
  • This configuration enables a space-saving construction, whereby side parts of the machine frame do not have to be weakened by openings.
  • the outer toggle lever is expediently fastened to a shaft which is mounted between fork-shaped bearing pieces and is connected to an actuating lever by means of which it can be pivoted between the support position and the inoperative position of the toggle lever support lever system.
  • the actuating lever can be fastened to the shaft by a ring which is provided with a locking bolt which can be locked in the support position and in the rest position in corresponding locking holes in a bearing piece, so that the rest position and the support position are secured.
  • a plate 2 On the left side frame 1 of a gravure printing press, not shown in the whole, a plate 2 is firmly screwed from the inside in a manner not shown.
  • This plate 2 carries, in a manner known per se, a folding bearing 3 in which the shaft journal 4 of an impression roller 5 is mounted.
  • the side frame, not shown, opposite the side frame of the gravure printing machine also has a plate which carries a folding bearing for receiving the right-hand shaft journal.
  • both side frames are constructed identically.
  • the shaft journal 4 of the left side of the impression 5 is extended and protrudes into a recess 6 of the side frame 1.
  • a slide bearing part 7 On this elongated shaft journal 4, a slide bearing part 7 is placed from above, which is firmly connected to a journal 8.
  • the latter is rotatably mounted in a bracket 9 which is firmly connected to the side frame 1.
  • the forces acting on the slide bearing part 7 are supported on the bracket 9 via a thrust bearing 10.
  • a holder 11 is firmly connected to the side frame 1 by means of screws 12.
  • the two freely running legs 14 and 15 of a U-shaped arm 16 are articulated via the bolt 13.
  • a further bolt 17 is mounted in the two legs 14 and 15 and carries a lever 18 freely pivotable in the region between the legs 14 and 15.
  • the latter is mounted on its end facing away from the bolt 17 via a further bolt 19 so that it can rotate freely in a link 20.
  • this handlebar consists of a solid piece into which a channel 21 is milled, the depth of which decreases towards its bearing bore 22.
  • a shaft 23 is inserted, which is firmly connected to the handlebar 20 via a roll pin 24, which is inserted into the bore 24 '.
  • the shaft is rotatably supported on both sides of the link 20 in holders 25 and 26 which are firmly connected to the side frame 1.
  • the shaft 23 protrudes outward from the holder 26, a knob 28 being firmly attached to the projecting part 27 of the shaft 23.
  • the holder 26 has two locking bores 29 and 30 (see FIGS. 1 and 2), a locking bolt 31 assigned to the knob 28 snapping into one of these two locking bores 29 and 30 depending on the angular position of the knob 28.
  • FIGS. 1 and 2 two locking bores 29 and 30
  • the position of the knob 28 relative to the holder 26 is accordingly secured via the locking bolt 31 and the locking bore 30.
  • the U-shaped lever 16 has at its end facing away from the side frame 1 a running rail 32 which bears against a shoulder 33 of the impression roller 5 from below.
  • the impression roller 5 can thus be pivoted around the pin 8 after the folding bearing 3 has been released and the folding bearing, which is associated with the side frame (not shown), has been released. whereby the pressure cylinder supports itself on the one hand via the shaft journal 4 on the bracket 9 and on the other hand on the running rail 32. The pivoting-out movement of the impression roller 5 is limited by a stop 34 provided on the running rail 32. In this end position, a sleeve-shaped impression roller jacket can then be exchanged for another. After this has been done, the pressure cylinder is pivoted back into the basic position shown in FIG. 6 and the folding bearing 3 and the folding bearing (not shown) on the other side are closed.
  • the locking bolt 31 is then released and pivoted counterclockwise into the shaft 23 via the knob 28 until the knob 28 assumes the position shown in FIG. 2. In this position, the angular position of the knob 28 and thus that of the shaft 23 is secured via the locking bolt 31 and the locking bore 29.
  • the handlebar 20 is pivoted up from its position shown in FIG. 1 into the position shown in FIG. 2, the lever 18 partly lying in the milled channel 21 of the handlebar 20, i.e. the lever 18 is around the Bolt 19 has been pivoted downwards.
  • FIG. 1 the folding storage 3 is shown open, whereas in Figure 2, the folding storage is closed.
  • This folding bearing 3 is shown in side view in FIG. It's closed recognize that the folding bearing consists of a fixed part 35 and a pivotable part 36, the pivot point of the pivotable part 36 being designated 37. If the front part 36 of the folding bearing 3 is pivoted up using a handle 38, the locking pin 39 lies in the recess 40 of a locking lever 41, which is held by a compression spring 42 against a stop 43. Since the folding bearing shown schematically in FIG. 7 is known per se, so that a further description is not necessary.
  • the described releasable mounting of the impression roller is particularly suitable for impression rollers of gravure printing machines, since these work at significantly higher pressures than flexographic printing machines.
  • the bearings described do not require breakthroughs in the side parts of the machine frames, so that weakenings are avoided.

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

Claims (8)

  1. Machine d'impression comprenant au moins un rouleau presseur (5) qui est pourvu d'un manteau échangeable en forme de gaine et qui est pourvu de paliers amovibles (3) de façon qu'il soit maintenu, pour le remplacement du manteau de rouleau presseur, au voisinage d'un de ses tourillons (4), de façon librement en saillie dans le bâti de machine (1), caractérisé en ce que les paliers sont constitués de paliers basculants (3) avec des coques de palier rabattables (36) qui, après leur libération, permettent un pivotement du rouleau presseur (5) dans un plan horizontal, en ce qu'un côté du rouleau presseur (5) est pourvu d'un tourillon (4) prolongé au-delà du palier basculant associé (3), sur la zone d'extrémité supérieure duquel prend appui une coque de support (7) qui est logée de façon tournante autour d'un axe vertical dans le bâti de machine mais qui n'est pas déplaçable axialement, et en ce qu'il est prévu un rail de support horizontal mobile (32) ou une voie de coulissement qui peut être appliquée et fixée au rouleau presseur (5) ou à une partie d'arbre (33) reliée à celui-ci entre les paliers (3) depuis le bas de sorte que le rouleau presseur (5) retenu entre la coque de support (7) et le rail de support (32) peut pivoter autour de l'axe de pivotement vertical (8) de la coque de support (7) au loin des paliers basculant ouverts (3).
  2. Machine d'impression selon la revendication 1, caractérisée en ce que la coque de support (7) est une coque d'un palier à glissement.
  3. Machine d'impression selon la revendication 1 ou 2, caractérisée en ce que le rail de support (32) est retenu à la zone d'extrémité d'un levier de support (16) monté pivotant dans le bâti de machine (1) qui peut pivoter par un dispositif de support (18 à 29) entre sa position de maintien pivotée au loin (figure 1) et sa position d'attente rentrée (figure 2).
  4. Machine d'impression selon l'une des revendications 1 à 3, caractérisée en ce que le dispositif de support est constitué d'un système à leviers coudés (18, 19, 20) dont une extrémité est logée au levier de support (16) et dont l'autre extrémité est logée dans le bâti de machine (1), et qui peut être bloqué dans sa position allongée dans laquelle le levier (16) est maintenu dans sa position de support.
  5. Machine d'impression selon l'une des revendications 1 à 4, caractérisée en ce que l'un des leviers coudés (20) est pourvu d'une rainure (21) entre les branches de laquelle est logé l'autre levier coudé (18) de façon que l'autre levier coudé (18) s'engage dans la position rabattue partiellement dans la rainure (21).
  6. Machine d'impression selon la revendication 4 ou 5, caractérisée en ce que le levier de support (16) et le système à leviers coudés sont disposés dans l'évidement (6) d'une partie latérale (1) du bâti de machine de façon que ceux-ci, dans la position d'attente, peuvent être rabattus dans cet évidement.
  7. Machine d'impression selon l'une des revendications 4 à 6, caractérisée en ce que le levier coudé externe (20) est fixé sur un arbre (23) qui est logé entre des pièces de palier en forme de fourche (25, 26) et relié à un levier d'actionnement (28) par lequel celui-ci peut pivoter entre la position de support et la position de repos du système à leviers coudés et levier de support.
  8. Machine d'impression selon la revendication 7, caractérisée en ce que le levier d'actionnement (28) est fixé par un anneau à l'arbre (23, 27) qui est pourvu d'un boulon d'arrêt (31) qui s'engage dans la position de support et la position de repos dans des perçages d'enclenchement correspondants (29, 30) d'une pièce de palier (26).
EP90120842A 1989-12-18 1990-10-30 Machine d'impression avec rouleaux presseurs comportant un manteau échangeable en forme de gaine Expired - Lifetime EP0433622B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3941741 1989-12-18
DE3941741 1989-12-18
DE4008501A DE4008501A1 (de) 1989-12-18 1990-03-16 Druckmaschine mit presseurs mit austauschbaren huelsenfoermigen presseurmaenteln
DE4008501 1990-03-16

Publications (3)

Publication Number Publication Date
EP0433622A2 EP0433622A2 (fr) 1991-06-26
EP0433622A3 EP0433622A3 (en) 1991-08-28
EP0433622B1 true EP0433622B1 (fr) 1994-06-29

Family

ID=25888107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120842A Expired - Lifetime EP0433622B1 (fr) 1989-12-18 1990-10-30 Machine d'impression avec rouleaux presseurs comportant un manteau échangeable en forme de gaine

Country Status (5)

Country Link
US (1) US5101726A (fr)
EP (1) EP0433622B1 (fr)
JP (1) JP2877500B2 (fr)
CA (1) CA2030842C (fr)
DE (2) DE4008501A1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289769A (en) * 1992-08-17 1994-03-01 W. O. Hickok Mfg., Co. Method and apparatus for changing a printing sleeve
US5241905A (en) * 1992-10-27 1993-09-07 Heidelberg Harris Inc. Printing unit with releasable bearing clamp
US5370047A (en) * 1993-12-01 1994-12-06 Paper Converting Machine Company Flexographic press adapted for short runs and method
DE4414084C2 (de) * 1994-04-22 1997-09-18 Roland Man Druckmasch Rotationsdruckmaschine mit mehreren zusammenarbeitenden Zylindern
US5630364A (en) * 1994-05-13 1997-05-20 Mitsubishi Jukogyo Kabushiki Kaisha Printing press
JPH08216365A (ja) * 1995-02-17 1996-08-27 Toshiba Mach Co Ltd 印刷装置の印刷胴保持装置
DE19513537A1 (de) * 1995-04-10 1996-10-17 Heidelberger Druckmasch Ag Maschinengestell
DE19516004C2 (de) * 1995-05-02 1997-05-07 Windmoeller & Hoelscher Druckmaschine
US5678485A (en) * 1995-12-22 1997-10-21 Heidelberger Druckmaschinen Ag Counterpoise and lift mechanism
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
IT1299666B1 (it) * 1998-05-05 2000-03-24 Uteco Spa Roto Flexo & Convert Macchina rotativa flessografica a tamburo centrale a piu' colori
US6186068B1 (en) 1999-05-18 2001-02-13 Creo Srl Method for holding printing sleeves in an imaging device
EP1092540B1 (fr) * 1999-10-11 2003-11-26 GIDUE S.p.A. Unité d'impression à composants facilement amovibles
US6541171B1 (en) 2000-10-04 2003-04-01 Nexpress Solutions Llc Sleeved photoconductive member and method of making
US6393226B1 (en) * 2000-10-04 2002-05-21 Nexpress Solutions Llc Intermediate transfer member having a stiffening layer and method of using
US6567641B1 (en) 2000-10-04 2003-05-20 Nexpress Solutions Llc Sleeved rollers for use in a fusing station employing an externally heated fuser roller
US6393249B1 (en) 2000-10-04 2002-05-21 Nexpress Solutions Llc Sleeved rollers for use in a fusing station employing an internally heated fuser roller
CA2541814C (fr) 2003-10-09 2010-02-23 Warner-Lambert Company Llc Compositions pharmaceutiques comportant des derives de malonamide et permettant de reduire la production de sebum
DE102004015180B4 (de) * 2004-03-25 2008-10-02 Windmöller & Hölscher Kg Druckwerk einer Druckmaschine mit Presseur
KR100906288B1 (ko) 2005-02-24 2009-07-06 워너-램버트 캄파니 엘엘씨 결정질 ａｃａｔ 억제제
DE102006041314B4 (de) * 2006-09-01 2008-10-02 Windmöller & Hölscher Kg Druckwerk einer Tiefdruckmaschine

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Publication number Priority date Publication date Assignee Title
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
US4111120A (en) * 1976-10-12 1978-09-05 Paulson Harold E Two color swing-away press
DE3500319A1 (de) * 1984-12-04 1986-06-05 Windmöller & Hölscher, 4540 Lengerich Lagerung fuer formatzylinder einer druckmaschine, vorzugsweise flexodruckmaschine, mit austauschbaren huelsenfoermigen formatzylindermaenteln
US4932322A (en) * 1986-06-12 1990-06-12 Dahlgren Duplicator Sales, Inc. Swing away color head for offset duplicator
US4967658A (en) * 1986-12-09 1990-11-06 Townsend Industries, Inc. Swing apparatus for an offset press auxiliary print unit and method of using the same
US4876958A (en) * 1986-12-09 1989-10-31 Townsend Industries, Inc. Swing apparatus for an offset press auxiliary print unit
DE3705477C1 (de) * 1987-02-20 1988-05-26 Roland Man Druckmasch Haltevorrichtung fuer das Aufbringen einer Huelse auf einen Zylinder
US4901641A (en) * 1988-11-30 1990-02-20 Bobst Sa Printing press
US4934264A (en) * 1989-07-06 1990-06-19 Gansky Alton E Colorhead printer mounting apparatus

Also Published As

Publication number Publication date
JP2877500B2 (ja) 1999-03-31
US5101726A (en) 1992-04-07
DE59006311D1 (de) 1994-08-04
EP0433622A3 (en) 1991-08-28
JPH03190733A (ja) 1991-08-20
CA2030842A1 (fr) 1991-06-19
EP0433622A2 (fr) 1991-06-26
DE4008501A1 (de) 1991-06-20
CA2030842C (fr) 1997-04-29

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