EP0741009A2 - Machine à imprimer - Google Patents

Machine à imprimer Download PDF

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Publication number
EP0741009A2
EP0741009A2 EP96104693A EP96104693A EP0741009A2 EP 0741009 A2 EP0741009 A2 EP 0741009A2 EP 96104693 A EP96104693 A EP 96104693A EP 96104693 A EP96104693 A EP 96104693A EP 0741009 A2 EP0741009 A2 EP 0741009A2
Authority
EP
European Patent Office
Prior art keywords
printing machine
plate
machine according
bearings
printing
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
EP96104693A
Other languages
German (de)
English (en)
Other versions
EP0741009B1 (fr
EP0741009A3 (fr
Inventor
Fritz Achelpohl
Uwe Rogge
Alois Thöle
Rainer Jendroska
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 EP0741009A2 publication Critical patent/EP0741009A2/fr
Publication of EP0741009A3 publication Critical patent/EP0741009A3/fr
Application granted granted Critical
Publication of EP0741009B1 publication Critical patent/EP0741009B1/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
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/30—Bearings mounted on sliding supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/0024—Frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/24—Rotary letterpress machines for flexographic printing

Definitions

  • the invention relates to a printing press, preferably a flexographic printing press, with at least one impression cylinder and with at least one printing cylinder mounted at one end overhung in the frame and at least one inking or anilox roller of an inking unit mounted overhung in the frame, the bearings of the forme cylinder and the anilox roller relative to the printing cylinder are movable in guides.
  • a printing press of this type is known from DE-GM 92 08 023. Cylinders with one end overhung form spring-mass systems that tend to vibrate. For this reason, it is known from DE-GM 92 08 449 to dampen the vibrations of the cylinders mounted at one end in printing machines of the type specified in that a ring is placed on the free end region of the printing cylinder, the diameter of which corresponds to the diameter of the Clichés described envelope cylinder corresponds. This ring placed on the end of the impression cylinder ensures that it is supported on the impression cylinder and the anilox roller, or runs between the two, so that the impression cylinder is clamped at its free end between the impression cylinder and the anilox roller.
  • the object of the invention is therefore to provide a printing press of the type specified at the outset, in which the pressure carried out by the end region of the overhung printing cylinder is also faultless.
  • this object is achieved in a printing machine of the type specified in the introduction in that a support or a plate is articulated to the frame, which has bearings for receiving shaft journals of the free ends of the printing or anilox rollers or with receptacles for bearings placed on the shaft journals are provided and that the plate between a folded position in which the overhung rollers are freely accessible, and a pivoted position in which the shaft journals of the free ends of the rollers are mounted on the plate.
  • additional bearings are provided on the pivotable plate, which intercept the free ends of the cantilevered rollers and thereby intercept undesirable vibrations of the free ends of the cantilevered rollers and deflections, which could impair the print quality.
  • the printing cylinders with the interchangeable printing cylinder jackets carrying clichés can be conventional cliché cylinders and format or form cylinders.
  • one-sided main bearings of the cylinders are still provided, which cause them to be suspended.
  • the bearings provided according to the invention on the pivotable plate are essentially only auxiliary bearings which serve to intercept the ends of the overhung rollers.
  • the shaft journals of the free ends of the overhung rollers or the bearings placed thereon are held between a stop of the plate and a movable abutment which can be moved relative to the latter. In this way, after the plate has been pivoted in, the storage of the free roller ends or the interception of the bearings placed on these free ends can be effected simply and quickly.
  • the main bearings of the flying bearings of the printing roller and the anilox roller are movable in order to be able to place the printing roller on the impression cylinder and the anilox roller on the printing roller and to be able to move each one of them and possibly both together relative to the impression cylinder.
  • the pressure roller can be supported on one end on a floating first sliding carriage in a guide fixed to the frame and the anilox roller can be supported on one end floating on a second sliding carriage guided in a sliding guide of the first slide.
  • Such a floating mounting of the rollers which can be moved relative to the impression cylinder is known, for example, from DE-43 08 711 A1.
  • each of the stops can be adjusted parallel to the slide guides of the main bearings.
  • Each of the stops can be fastened to a linkage which is displaceable in guides and which is provided with a fine adjustment.
  • the fine adjustment is used to adjust the free roller ends if this should be necessary for quality printing.
  • the fine adjustment can consist of a spindle drive.
  • the gear part of the spindle drive is adjustable on the plate in the longitudinal direction of the spindle and can be fixed on the plate. This configuration makes it possible to quickly adjust the postures that intercept the free ends of the rollers in the same way as the main bearings, if this should be necessary, for example, to move the printing roller into the print-down position.
  • the plate can be provided parallel to the spindle or the linkage with an elongated hole that a screw bolt carrying the gear part passes through, the screw bolt being provided with a toggle screw for fixing the gear part to the elongated hole.
  • the toggle screw By loosening the toggle screw, the gear part can be moved quickly according to the main bearings of the rollers. If the gear part of the spindle is clamped to the slot by the toggle screw, the fine adjustment of the Make the spindle.
  • the spindle gear of the linkage carrying the stop of the shaft journal of the anilox roller can be coupled to the linkage of the stop for the printing roller.
  • the pressure roller and the anilox roller can be adjusted together relative to the counter-pressure roller when the gear part of the spindle drive of the stop for the pressure roller is detached from the pivotable plate.
  • the spindle drives can be used to make fine adjustments, and this stop can also be made via the spindle drive for the rod of the stop for the pressure roller also adjust the stop for the anilox roller, in addition to which a fine adjustment of only the stop for the anilox roller can be carried out by the spindle drive of the linkage carrying the stop of the anilox roller.
  • a clamping bracket having two clamping jaws can be provided, the clamping screw of which tightens the clamping jaws freely penetrates the elongated hole.
  • the abutments can be guided in guides of the plate and can be moved by drives.
  • the drives expediently consist of pneumatic cylinders.
  • the pivoted-in and the pivoted-out position of the plate is expediently limited by stops.
  • the plate can be connected to the frame like a door by two hinge joints.
  • the hinge joints have an eccentric characteristic such that the pivoting movement is superimposed on a translatory movement lifting the stop off the shaft journal. This configuration ensures that the stops do not hit the end pins of the rollers or the bearings placed on them and can damage them.
  • the impression cylinder 1 common to all printing units is rotatably mounted in the printing press frame, which has a thicker side frame 4 and a thinner side frame 5.
  • the pressure rollers 2 and the anilox roller 3 overhung bearing blocks 6, 7 are movably supported on slide arrangements, the bearing block 6 for the pressure roller 2 being arranged on a slide which can be moved on guides of the side frame 4, and the Bearing block 7 of the anilox roller 3 on guides of the carriage carrying the bearing block 6.
  • roller bearings 10, 11 are placed on the shaft journals 8, 9 of the free ends of the overhung rollers 2, 3.
  • the roller bearing 10 of the pressure roller 2 is clamped between a stop 13 and an abutment 14 when the door-shaped plate 12 is pivoted into the operating position and holds the auxiliary bearings.
  • the roller bearing 11 of the anilox roller 3 is clamped between the stop 15 and the abutment 16 in the operating position.
  • the stop 13 is attached as an end piece to a linkage 17 which is guided in a guide 18 so as to be longitudinally displaceable but non-rotatable.
  • the stop 15 is attached at the end to a linkage 19 which is guided in the same way in a guide 20 longitudinally but non-rotatably.
  • the guides 18, 20 are fastened in the manner shown to the mutually parallel longitudinal bars 21, 22 of a rectangular frame, which are connected to one another by cross members 22, 23.
  • four frames 21 to 24 are fastened to the plate 12, which can be pivoted like a door, in eight bores 26 by means of screw bolts 27.
  • the illustrated embodiment thus shows an eight-color rotary printing press.
  • the linkage 17 is adjustable in the longitudinal direction of the guide 18 by a spindle drive.
  • the spindle drive consists of a gear part 30, not shown, which contains a spindle nut and a spindle which can be rotated by the actuating button 31, so that the linkage 17 can be adjusted relative to the gear part 30 by turning the button 31.
  • the linkage 19 of the stop 15 is also provided with a gear part 33, which in turn consists of a spindle and a spindle nut which can be rotated relative to one another by the button 34.
  • the guides 18, 20 can also consist, for example, of ball bushings, since these do not have to additionally secure the rods against rotation.
  • the gear part 30 is provided with a threaded bore 36 into which a toggle screw 38 provided with an abutment plate or a collar 37 is screwed, which passes through an elongated hole 39 in the plate 12.
  • a toggle screw 38 provided with an abutment plate or a collar 37 is screwed, which passes through an elongated hole 39 in the plate 12.
  • the gear part 33 for the linkage 19 of the stop 15 of the anilox roller is provided with a clamping bracket 40 which has two jaws 41, 42, which can be seen in FIGS. 3 and 4 in a position rotated by 180 °.
  • the jaws 41, 42 enclose between them the rod 17 carrying the stop 13 and the clamping bracket 40 can be clamped to the rod 17 by a toggle screw 44 provided with a handle, which can be screwed into a threaded bore of the jaw 42 and is in a collar supports a through hole of the jaw 41.
  • the toggle screw 44 passes through the elongated hole 39 in the manner shown in FIG. 2 in such a way that it is freely movable therein.
  • the stops 13 and 15 can be freely moved in the longitudinal direction of the guides 18, 20 and the elongated hole 39 after loosening the clamping screw 38. If the toggle screw 44 is loosened, the clamping bracket 40 can be moved relative to the linkage 17.
  • the abutments 14, 16 can be moved by the piston rods of pneumatic cylinders 50, 51.
  • the abutments 14, 16 can be moved in guides offset in laterally offset vertical planes are arranged on the spars 21, 22 of the frame screwed to the plate 12.
  • the pneumatic cylinders 50, 51 are attached to brackets 52, 53 which are connected to the frame 21 to 24.
  • the abutments are moved from the roller bearings by corresponding actuation of the pneumatic cylinders 50, 51, so that the plate 12 can be swiveled away.
  • the toggle screw 38 can also be loosened beforehand, so that the stops 13, 15 can be pushed off the bearings 10, 11 by moving the gear part 30 in the direction of the impression cylinder 1.
  • the plate 12 carrying four auxiliary bearings is articulated to the narrower side frame 5 by two hinges 56, 57.
  • An eccentric mounting of the pivotable hinge part is provided in such a way that a translational movement in the direction of the impression cylinder 1 is superimposed on the pivoting movement of the plate 12 when opening, so that it is ensured in any case that the stops 13, 15 when pivoting the door-like plate, the opening position can be moved away from the bearings 10, 11.
  • the plate 12 strikes against abutment pieces 59, which are arranged on an extended part of the side frame 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
EP96104693A 1995-05-02 1996-03-25 Machine à imprimer Expired - Lifetime EP0741009B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19516004 1995-05-02
DE19516004A DE19516004C2 (de) 1995-05-02 1995-05-02 Druckmaschine

Publications (3)

Publication Number Publication Date
EP0741009A2 true EP0741009A2 (fr) 1996-11-06
EP0741009A3 EP0741009A3 (fr) 1997-04-23
EP0741009B1 EP0741009B1 (fr) 1999-05-26

Family

ID=7760826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104693A Expired - Lifetime EP0741009B1 (fr) 1995-05-02 1996-03-25 Machine à imprimer

Country Status (8)

Country Link
US (1) US5617789A (fr)
EP (1) EP0741009B1 (fr)
JP (1) JPH08300611A (fr)
KR (1) KR960040653A (fr)
CZ (1) CZ114896A3 (fr)
DE (2) DE19516004C2 (fr)
ES (1) ES2131885T3 (fr)
TW (1) TW309480B (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813960A1 (fr) * 1996-06-19 1997-12-29 MAN Roland Druckmaschinen AG Cylindres d'imprimerie supportés en porte-à-faux
EP0955161A2 (fr) * 1998-05-05 1999-11-10 UTECO S.p.A. ROTO-FLEXO & CONVERTING MACHINERY Machine rotative d'impression flexographique polychrome avec un tambour principal et des unités d'impression des couleurs separées indépendantes
EP1080888A1 (fr) * 1999-08-20 2001-03-07 Paper Converting Machine Company Configuration de bâti pour une machine d'impression
CN1104331C (zh) * 1997-08-29 2003-04-02 戈斯绘图系统有限公司 具有悬臂式自驱动滚筒的印刷机
US6647882B2 (en) 2000-04-07 2003-11-18 Heidelberger Druckmaschinen Ag Roller lock for releasably fastening a roller in a printing machine
WO2005063488A1 (fr) * 2003-12-31 2005-07-14 Perini, Fabio Distributeur de substances liquides
WO2006034878A1 (fr) * 2004-09-30 2006-04-06 Kark Ag Dispositif comportant plusieurs rouleaux
US8931409B2 (en) 2008-05-29 2015-01-13 Windmoeller & Hoelscher Kg Printing press with multiple inking units

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI83197C (fi) * 1984-10-23 1991-06-10 Mars G B Ltd Dryckpaose.
GB8612868D0 (en) * 1986-05-27 1986-07-02 Mars G B Ltd Beverage packages
FR2756214B1 (fr) * 1996-11-28 1999-02-12 Heidelberg Harris Sa Dispositif de deplacement de cylindres d'un groupe d'impression recto-verso d'une machine rotative a imprimer
DE19705369C2 (de) * 1997-02-12 2003-03-06 Windmoeller & Hoelscher Druckmaschine
DE19719304C1 (de) * 1997-05-07 1998-11-12 Roland Man Druckmasch Lageranordnung für eine anstellbare Walze eines Farb- oder Feuchtwerks einer Druckmaschine
IT1306933B1 (it) * 1999-01-12 2001-10-11 Pernatsch Antonella Incollatrice a rulli per la lavorazione di articoli di pelletteria
DE10012189A1 (de) * 2000-03-13 2001-09-20 Heidelberger Druckmasch Ag Druckwerk in einer Druckmaschine
ES2258989T5 (es) † 2001-01-04 2011-01-17 FISCHER & KRECKE GMBH & CO. Procedimiento para cambiar un casquillo de cilindro de impresión y máquina de impresión para la realización de este procedimiento.
DE10149829B4 (de) * 2001-10-09 2005-12-22 Man Roland Druckmaschinen Ag Vorrichtung zur Veränderung der Bahnlage einer Bedruckstoffbahn
DE10155256B4 (de) * 2001-11-09 2013-08-22 Windmöller & Hölscher Kg Flexodruckmaschine mit alternativ manuell und automatisch anstellbaren Farbübertragungswalzen
DE10223666B4 (de) * 2002-05-28 2006-06-14 Windmöller & Hölscher Kg Farbwerksaufbau bei Flexodruckmaschinen
US7032515B2 (en) * 2003-03-06 2006-04-25 Goss International Corporation Method and apparatus for changing print length on a printing press
EP1631457B1 (fr) * 2003-06-09 2009-04-15 Goss International, Inc. Presse pour impression offset a format variable
EP1683633B1 (fr) * 2005-01-24 2011-09-21 Gallus Ferd. Rüesch AG Unité d'impression en creux pour imprimer sur bande dans une machine d'impression
US20070203433A1 (en) * 2006-02-27 2007-08-30 Murphy Martin P Relaxation inducing apparatus
DE102006011926B4 (de) * 2006-03-15 2010-03-18 Windmöller & Hölscher Kg Verfahren zur Lageeinstellung des Druckwerks einer Druckmaschine sowie Vorrichtung zur Durchführung dieses Verfahrens
DE102008025995B4 (de) * 2008-05-29 2012-12-06 Windmöller & Hölscher Kg Vorrichtung zum Erfassen eines Farbe führenden Zylinders einer Druckmaschine
KR100971517B1 (ko) * 2010-02-04 2010-07-21 아이엠센트럼 (주) 레이저마킹기용 착색인쇄장치
JP6084439B2 (ja) * 2012-11-09 2017-02-22 株式会社ミヤコシ バリアブル印刷機

Citations (5)

* Cited by examiner, † Cited by third party
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
EP0352599A2 (fr) * 1988-07-28 1990-01-31 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Rotative à bobine pour l'impression continue sans utilisation d'un canal de serrage
DE9208023U1 (de) * 1992-06-15 1992-11-26 Windmöller & Hölscher, 4540 Lengerich Farbwerk mit einendig gelagerter Rasterwalze sowie mit einendig gelagerten Formatzylinder
US5241905A (en) * 1992-10-27 1993-09-07 Heidelberg Harris Inc. Printing unit with releasable bearing clamp
EP0678381A1 (fr) * 1994-04-22 1995-10-25 MAN Roland Druckmaschinen AG Machine d'impression rotative avec plusieurs cylindres coopérants

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460504A (en) * 1944-10-24 1949-02-01 William C Huebner Printing apparatus
FR1080945A (fr) * 1952-06-21 1954-12-14 Cranston Print Works Co Machines d'impression pour tissus
DE3543704A1 (de) * 1985-12-11 1987-06-19 Md Papierfabrik Pasing Nicolau Vorrichtung und verfahren zum bedrucken einer bahn
US5060569A (en) * 1989-06-22 1991-10-29 Didde Web Press Corporation Apparatus for changeover of cylinders in web fed printing press
DE4008501A1 (de) * 1989-12-18 1991-06-20 Windmoeller & Hoelscher Druckmaschine mit presseurs mit austauschbaren huelsenfoermigen presseurmaenteln
DE9208449U1 (de) * 1992-06-24 1992-09-17 Windmöller & Hölscher, 4540 Lengerich Druckmaschine
US5237920A (en) * 1992-06-22 1993-08-24 Heidelberg Harris Inc. Apparatus for supporting a cylinder in a rotary printing unit
DE4308711C2 (de) * 1993-03-18 1997-05-15 Windmoeller & Hoelscher Vorrichtung zum Verfahren von auf Schlitten befestigten und Wellen lagernden Lagerböcken
US5458061A (en) * 1994-05-13 1995-10-17 Mitsubishi Jukogyo Kabushiki Kaisha Printing press

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
EP0352599A2 (fr) * 1988-07-28 1990-01-31 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Rotative à bobine pour l'impression continue sans utilisation d'un canal de serrage
DE9208023U1 (de) * 1992-06-15 1992-11-26 Windmöller & Hölscher, 4540 Lengerich Farbwerk mit einendig gelagerter Rasterwalze sowie mit einendig gelagerten Formatzylinder
US5241905A (en) * 1992-10-27 1993-09-07 Heidelberg Harris Inc. Printing unit with releasable bearing clamp
EP0678381A1 (fr) * 1994-04-22 1995-10-25 MAN Roland Druckmaschinen AG Machine d'impression rotative avec plusieurs cylindres coopérants

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5950537A (en) * 1996-06-19 1999-09-14 Man Roland Druckmaschinen Ag Float-mounted printing-group cylinder
EP0813960A1 (fr) * 1996-06-19 1997-12-29 MAN Roland Druckmaschinen AG Cylindres d'imprimerie supportés en porte-à-faux
CN1104331C (zh) * 1997-08-29 2003-04-02 戈斯绘图系统有限公司 具有悬臂式自驱动滚筒的印刷机
AU765152B2 (en) * 1998-05-05 2003-09-11 Uteco S.P.A. Roto-Flexo & Converting Machinery Multi-colour flexographic rotary machine with main drum and independent separate colour units
EP0955161A3 (fr) * 1998-05-05 2000-02-09 UTECO S.p.A. ROTO-FLEXO & CONVERTING MACHINERY Machine rotative d'impression flexographique polychrome avec un tambour principal et des unités d'impression des couleurs separées indépendantes
EP0955161A2 (fr) * 1998-05-05 1999-11-10 UTECO S.p.A. ROTO-FLEXO & CONVERTING MACHINERY Machine rotative d'impression flexographique polychrome avec un tambour principal et des unités d'impression des couleurs separées indépendantes
EP1080888A1 (fr) * 1999-08-20 2001-03-07 Paper Converting Machine Company Configuration de bâti pour une machine d'impression
US6647882B2 (en) 2000-04-07 2003-11-18 Heidelberger Druckmaschinen Ag Roller lock for releasably fastening a roller in a printing machine
WO2005063488A1 (fr) * 2003-12-31 2005-07-14 Perini, Fabio Distributeur de substances liquides
WO2006034878A1 (fr) * 2004-09-30 2006-04-06 Kark Ag Dispositif comportant plusieurs rouleaux
CN100537237C (zh) * 2004-09-30 2009-09-09 卡克股份公司 具有外壳和多个辊子或圆柱形滚筒的装置
US7827913B2 (en) 2004-09-30 2010-11-09 Kark Ag Device with several rollers
US8931409B2 (en) 2008-05-29 2015-01-13 Windmoeller & Hoelscher Kg Printing press with multiple inking units

Also Published As

Publication number Publication date
EP0741009B1 (fr) 1999-05-26
TW309480B (fr) 1997-07-01
DE19516004A1 (de) 1996-11-07
JPH08300611A (ja) 1996-11-19
DE59601976D1 (de) 1999-07-01
EP0741009A3 (fr) 1997-04-23
ES2131885T3 (es) 1999-08-01
CZ114896A3 (en) 1996-11-13
DE19516004C2 (de) 1997-05-07
US5617789A (en) 1997-04-08
KR960040653A (ko) 1996-12-17

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