EP0338278B1 - Imprimerie rotative avec bande de cliché sans fin - Google Patents

Imprimerie rotative avec bande de cliché sans fin Download PDF

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Publication number
EP0338278B1
EP0338278B1 EP89105155A EP89105155A EP0338278B1 EP 0338278 B1 EP0338278 B1 EP 0338278B1 EP 89105155 A EP89105155 A EP 89105155A EP 89105155 A EP89105155 A EP 89105155A EP 0338278 B1 EP0338278 B1 EP 0338278B1
Authority
EP
European Patent Office
Prior art keywords
rollers
printing
gear wheel
printing press
rotary 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.)
Expired - Lifetime
Application number
EP89105155A
Other languages
German (de)
English (en)
Other versions
EP0338278A2 (fr
EP0338278A3 (en
Inventor
Dieter Rogge
Wilfried Wallmann
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
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Filing date
Publication date
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0338278A2 publication Critical patent/EP0338278A2/fr
Publication of EP0338278A3 publication Critical patent/EP0338278A3/de
Application granted granted Critical
Publication of EP0338278B1 publication Critical patent/EP0338278B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/007—Use of printing belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/48—Endless printing belt for other than selective or progressive printing

Definitions

  • the invention relates to a rotary printing press with one or more impression cylinders and with a plurality of printing units, each with an ink cylinder and an endless plate belt, which runs over several rollers, one of which can be adjusted to the associated impression cylinder.
  • the endless cliché belt runs over a master cylinder which can be adjusted to the impression cylinder, and a guide cylinder which is adjustable in order to be able to change the format sizes by placing longer or shorter cliché belts.
  • a rotary printing press is provided with several printing units, it is desirable that the distance from the ink cylinder to the impression cylinder, measured on the plate, is always the same, in order to avoid dirty printing due to different drying of the inks.
  • a printing machine in which a printing tape runs over 4 rollers which lie in the corners of an irregular square. Furthermore, in this known printing press, the impression cylinder is placed against the printing belt, supported on the printing cylinder, and at the same time the anilox rollers of the inking unit are also pressed against the printing belt in the area of the jacket of the printing roller.
  • the object of the invention is therefore to provide a rotary printing machine of the type specified at the outset, in which the distances between the inking roller and the impression cylinder measured on the cliché belts are always the same.
  • this object is achieved in that the cliché belt of each printing unit runs over four rollers, which are mounted in side view in the corners of a square or parallelogram and of which two diametrically opposed rollers can be placed on the ink cylinder or a cliché belt and on the impression cylinder and the other two diametrically opposite rollers are mounted in guides and can be moved towards and away from one another by drives.
  • the rotary printing press according to the invention it is ensured that the respective length of the printing plate section between the roller set on the ink cylinder and the roller set on the impression cylinder is always the same, so that the inks are applied with the same amount of drying.
  • the center lines of the bearings of the rollers expediently span a side view of a parallelogram with sides of the same length or of different lengths.
  • rollers are mounted in lateral, rigidly connected bearing plates which are non-rotatable with respect to the printing unit frame or the printing unit carriage, but are laterally displaceable.
  • a device that laterally adjusts the bearing plates can be provided for easy adjustment of the side register.
  • a gear wheel is arranged axially displaceably but non-rotatably on a shaft journal of one of the rollers, with the helical toothing one or the counter-pressure cylinder driving the central wheel that a bush fixed on a frame-fixed pin rotatably but axially displaceably and is connected to a finger or a washer, which engages in an annular groove of the hub of the gear, and that an adjusting device is provided for the axial displacement of the bushing is. If the bushing is adjusted in the axial direction by the adjusting device, the longitudinal register can be adjusted because a displacement of the gear wheel driving the roller on the shaft journal causes the roller to be rotated forward or backward accordingly.
  • a format wheel is expediently rotatably but axially immovably mounted on the bushing, which meshes with the central wheel and the ink cylinder drive gearwheel and whose hub carries the disk which engages in the annular groove of the hub of the gearwheel.
  • a printing press with a ge in a frame 2 stored impression cylinder 1 is shown, the total of six printing units 3 are assigned.
  • the impression cylinder 1 serves as a common impression cylinder for all printing units 3.
  • Fig. 2 also shows a frame 2 ', which carries a total of six printing units 3'. In contrast to the embodiment according to FIG. 1, each printing unit 3 'is assigned a separate impression cylinder 1'.
  • Each printing unit 3 or 3 uses a cliché belt 4, which loops around a total of four rollers, namely an upper and a lower tensioning roller 5, 6 and two printing rollers 7, 8.
  • All are Rollers 5 to 8 are mounted in two side plates 9 and 10 arranged parallel to one another at a distance.
  • the rigid connection between the plates 9 and 10 takes place via four round traverses 11.
  • pins 12 and 13 the two plates 9 and 10 are non-rotatably but laterally displaceable in the side walls 15, 16 of the format cylinder slide 17.
  • a bushing 18 is firmly placed, in which the adjusting member 19 engages for the motorized side register adjustment device, not shown.
  • a bushing 20 is non-rotatably but laterally displaceable. This side shift takes place via an actuator 21 of a motor-operated longitudinal register adjustment device, not shown.
  • the format wheel 23 is placed on the bushing 20 via a bearing 22. This format wheel 23 meshes with the central wheel 24, the diameter of which corresponds to the diameter of the impression cylinder 1 and is firmly connected to the latter.
  • the toothing of the central wheel is helical.
  • a further gear wheel 25 meshes with the central wheel 24.
  • This gear wheel 25 has an attachment 26 provided with an annular groove, a disk 27 engaging in the annular groove, which is firmly connected to the format wheel 23.
  • the actuator 21 is used for the longitudinal register adjustment in that it also adjusts the format wheel 23 with the bushing 20 and with this the gear wheel 25 in the axial direction, which is non-rotatably but axially displaceably arranged on the shaft journal 28 of the pressure roller 7. If the gear 25 is displaced in the axial direction, this gives the pressure roller a rotation because the gear 25 is in engagement with the central gear 24 by means of helical teeth.
  • lateral dots on the cliché band 4 indicate that this band is toothed on its back.
  • the tensioning rollers 5 and 6 can consequently be shifted relative to one another by the same amounts. This is necessary for tensioning a cliché tape or to ensure the use of cliché tapes of different lengths.

Landscapes

  • Rotary Presses (AREA)

Claims (6)

  1. Presse rotative à imprimer avec un ou plusieurs cylindres de contre-pression (1, 1') et avec plusieurs groupes d'impression (3, 3') comprenant chacun un cylindre encreur et une bande de cliché sans fin (4) qui passe sur plusieurs rouleaux (5 à 8) dont l'un peut être appliqué contre le cylindre de contre-pression associé,
       caractérisé
       en ce que la bande de cliché (4) de chaque groupe d'impression (3, 3') passe sur quatre rouleaux (5, 6, 7, 8) qui, vus de côté, sont logés dans les coins d'un carré ou d'un parallèlogramme et dont deux rouleaux opposés diamétralement (7, 8) peuvent être appliqués contre le cylindre encreur ou contre une bande de cliché et contre le cylindre de contre-pression (1, 1'), et les deux autres rouleaux opposés diamétralement (5, 6) étant des rouleaux tendeurs logés dans des guidages et pouvant être rapprochés ou écartés l'un de l'autre par des commandes.
  2. Presse rotative à imprimer selon la revendication 1, caractérisée en ce que les lignes médianes des paliers des rouleaux (5 à 8), vues de côté, forment un parallèlogramme avec des côtés de même longueur ou de longueurs différentes.
  3. Presse rotative à imprimer selon la revendication 1 ou 2, caractérisée en ce que les rouleaux sont logés dans des plaques de palier (9, 10) latérales, reliées rigidement les unes aux autres qui ne peuvent pas tourner relativement au cadre ou au chariot de groupe d'impression mais qui sont déplaçables latéralement.
  4. Presse rotative à imprimer selon la revendication 3, caractérisée en ce qu'un dispositif (18, 19) déplaçant latéralement les plaques de paliers (9, 10) est prévu pour le réglage du repère latéral.
  5. Presse rotative à imprimer selon l'une des revendications 1 à 4, caractérisée en ce qu'on prévoit sur un tourillon d'arbre (28) d'un des rouleaux (7) une roue dentée (25) déplaçable axialement mais ne pouvant pas tourner qui engrène avec la denture hélicoïdale d'une roue centrale (24) entraînant le ou les cylindres de contre-pression, qui est guidée sur un pivot solidaire du bâti (13) d'un manchon (20) de façon à ne pas pouvoir tourner mais déplaçable axialement et est reliée avec un doigt ou un disque (27) qui vient en prise dans une rainure annulaire du moyeu (26) de la roue dentée (25), et en ce qu'on prévoit un dispositif de réglage (21) destiné au déplacement axial du manchon (20).
  6. Presse rotative à imprimer selon la revendication 5, caractérisée en ce qu'une roue à format (23) est logée sur le manchon (20) de façon à pouvoir tourner mais non déplaçable axialement qui engrène avec la roue centrale (24) et la roue dentée d'entraînement du cylindre d'encrage et dont le moyeu porte le disque (27) qui vient en prise dans la rainure annulaire du moyeu de la roue dentée (25).
EP89105155A 1988-04-19 1989-03-22 Imprimerie rotative avec bande de cliché sans fin Expired - Lifetime EP0338278B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813112 1988-04-19
DE3813112 1988-04-19

Publications (3)

Publication Number Publication Date
EP0338278A2 EP0338278A2 (fr) 1989-10-25
EP0338278A3 EP0338278A3 (en) 1990-01-03
EP0338278B1 true EP0338278B1 (fr) 1993-01-13

Family

ID=6352382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105155A Expired - Lifetime EP0338278B1 (fr) 1988-04-19 1989-03-22 Imprimerie rotative avec bande de cliché sans fin

Country Status (4)

Country Link
US (1) US5009157A (fr)
EP (1) EP0338278B1 (fr)
JP (1) JPH01316267A (fr)
DE (1) DE58903255D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685384A1 (fr) * 1991-12-18 1993-06-25 Snecma Systeme d'alimentation en carburant des injecteurs d'une turbomachine.
DE4411213C2 (de) * 1994-03-31 1998-10-08 Abb Patent Gmbh Druckmaschine
US5538601A (en) * 1995-09-14 1996-07-23 Elcorsy Inc. Electrocoagulation printing and apparatus
GB2321876B (en) * 1996-08-30 2000-07-05 Gregson Dominic In-line belt type printing apparatus
US6176181B1 (en) * 1999-08-20 2001-01-23 Paper Converting Machine Company Deck configuration for a printing press
US6892639B2 (en) 2001-04-05 2005-05-17 Paper Converting Machine Co. Flexographic printing press with integrated dryer
US20040143231A1 (en) 2003-01-21 2004-07-22 The Procter & Gamble Company Absorbent product containing absorbent articles each having different graphic
US20100089264A1 (en) 2008-10-10 2010-04-15 Alrick Vincent Warner Absorbent Articles Having Distinct Graphics And Apparatus And Method For Printing Such Absorbent Articles
US8776683B2 (en) 2009-06-02 2014-07-15 The Procter & Gamble Company Process for manufacturing absorbent products having customized graphics
US8960086B2 (en) * 2009-06-26 2015-02-24 The Procter & Gamble Company Systems and methods for varying the repeat pitch distance of a substrate for use with absorbent articles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE448987C (de) * 1924-01-05 1927-09-01 Gustav Fischer Rotationsdruckmaschine, bei der als Bildtraeger ein endloses, die Druckbilder fuer Tief-, Flach- oder Hochdruck aufnehmendes Band dient
US2788738A (en) * 1950-08-03 1957-04-16 Robert W Wood Printing press for printing newspapers and the like
US3518940A (en) * 1967-06-30 1970-07-07 Cameron Machine Co Endless belt printing machine
US3835775A (en) * 1972-10-10 1974-09-17 R Benton Gravure printing press with endless printing belts
CA1144420A (fr) * 1980-12-08 1983-04-12 Charles Aaron Pression a imprimer a courroie flexographique
GB2102733B (en) * 1981-05-30 1985-10-02 Cobden Chadwick Ltd Printing presses

Also Published As

Publication number Publication date
JPH01316267A (ja) 1989-12-21
DE58903255D1 (de) 1993-02-25
US5009157A (en) 1991-04-23
EP0338278A2 (fr) 1989-10-25
EP0338278A3 (en) 1990-01-03

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