EP0659554B1 - Groupe imprimant pour une rotative - Google Patents

Groupe imprimant pour une rotative Download PDF

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Publication number
EP0659554B1
EP0659554B1 EP94120168A EP94120168A EP0659554B1 EP 0659554 B1 EP0659554 B1 EP 0659554B1 EP 94120168 A EP94120168 A EP 94120168A EP 94120168 A EP94120168 A EP 94120168A EP 0659554 B1 EP0659554 B1 EP 0659554B1
Authority
EP
European Patent Office
Prior art keywords
forme
journal
cylinder
printing unit
cylinders
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
EP94120168A
Other languages
German (de)
English (en)
Other versions
EP0659554A2 (fr
EP0659554A3 (fr
Inventor
Anton Weis
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert AG
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 Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0659554A2 publication Critical patent/EP0659554A2/fr
Publication of EP0659554A3 publication Critical patent/EP0659554A3/fr
Application granted granted Critical
Publication of EP0659554B1 publication Critical patent/EP0659554B1/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
    • B41F13/34—Cylinder lifting or adjusting devices
    • B41F13/36—Cams, eccentrics, wedges, or the like
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/13—Machines with double or multiple printing units for "flying" printing plates exchange

Definitions

  • the invention relates to a printing unit for a Rotary printing machine according to the preamble of Claim 1.
  • EP 02 34 456 A2 is an additional printing unit, e.g. B. for flexographic printing, also called "imprinter", became known in which two forme cylinders are fixed to the side frame. Every forme cylinder is an anilox cylinder in combination with a Color application device assigned, each Anilox cylinder separately on the forme cylinder is employable. Likewise, an alternative is on each forme cylinder adjustable and swiveling stored impression cylinder provided. It is only one forme cylinder in connection with the Impression cylinder and an anilox cylinder with a Ink application device in operation, the second, mold cylinders not in operation cleaned or can be exchanged.
  • the invention has for its object a printing unit for a rotary printing press, especially one To create "Imprinter", which also during the operation of the printing unit a smooth, play-free adjustment or readjustment of the cylinders against each other is made possible.
  • the invention has the following advantages achievable: Through the arrangement of support disks a quick and play-free setting of cylinders possible on a cylinder fixed to the frame. Even during the operation of the printing unit can be smooth Readjustable cylinders take place, since the force acting on a support disc of the Forme cylinders are only made from one side. Readjusting cylinders is particularly important for the use of flexible high pressure plates on the forme cylinder as a result of wear and tear the pressure plate required. The effects of So-called "channel strikes" are avoided. As a result the interchangeability of the fixed-mounted Forme cylinder, the printing unit is also variable in format educated.
  • Two forme cylinders 1, 2 for receiving printing plates 3 are on their journals 4, 6 in side frames 7, 8 in two different spaced from each other vertical and parallel to each other Levels 9, 11 stored, the second side frame 8 is indicated in Fig. 2.
  • Below the forme cylinder 1, 2 is a in the respective vertical plane 9, 11 carriage 12 adjustable in height to arrow direction B, 13 arranged, which each have an inking roller, in particular anilox roller 14, 16 via its journal 17, 18 records.
  • Each anilox roller 14, 16 is on one Form cylinder 1, 2 mounted on the frame can be adjusted.
  • an impression cylinder 24 arranged, which with its circumference either to a of the two forme cylinders 1, 2 is adjustable.
  • the third, vertical plane 23 is in the middle between the two vertical planes 9, 11 of the forme cylinders 1, 2.
  • the impression cylinder 24 is over its Axle journal 22 in a bracket 26 fixed to the side frame by means of an eccentric bearing 25 pivotally mounted.
  • the forme cylinders 1, 2 and the anilox rollers 14, 16 are each on their journals 4, 6; 17, 18 and Gearbox not shown can be driven.
  • Anilox roller 14, 16 is an ink application device, e.g. B. chambered doctor blade 29, 31 arranged.
  • Each forme cylinder 1; 2 points to its journal 4, 6 a support disc 33, 49; 52, 34 on which concentric to the axis of rotation 19; 21 of the forme cylinder 1; 2 is arranged.
  • the support disc 33, 49; 52, 34 expediently consists of a ball bearing, which with its inner ring on the journal 19; 21 of the forme cylinder 1; 2 is pressed and its Outer ring acts as a support disk.
  • An inner ring 35 and an outer ring 40 is the example of the concentric Support disc 34 shown.
  • the axle 22 of the Counter-pressure cylinder 24 points between the holder 26 and the end face 36 of the impression cylinder 24 two in the axial direction of the impression cylinder 24 support disks 37, 38 attached one behind the other on, which also from unspecified Ball bearings exist, but the outer ring one Eccentricity 27, 28 to the axis of rotation 39 of the Counter-pressure cylinder 24 has.
  • the eccentricity 27, 28 is each formed "sickle-shaped", i. H. it results from the difference of a radius r2 to r1 of the support disk 37, 38, where r2 is larger as r1.
  • the eccentric support disk 48 works applied to the journal 17 of the anilox roller 14 is with one on the journal 4 of the forme cylinder 1 concentric remotely applied Support disc 49 together.
  • 51 each have one Eccentricity 50, 55 on the side of the support discs 48, 51, the forme cylinder 1; 2 is facing.
  • the following acts Force train The concentric support disc 33 is frictionally in contact with the eccentric adjustable support disc 37 of the Impression cylinder 24. Furthermore, the concentric Support disc 49 of the forme cylinder 1 in a frictional manner Contact with the eccentric support disc 48 Anilox roller 14 so that when a printing plate is worn (not shown on forme cylinder 1) an adjustment of the Counter-pressure cylinder 24 and the anilox roller 14 take place can by the eccentricity 27, 28 of the support disks 37, 48 is enlarged after the drive motors 47, 61 can be switched on.

Landscapes

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

Claims (8)

  1. Groupe imprimant pour une presse rotative permettant de réaliser un changement de plaques d'impression à la volée, comprenant un premier et un second cylindre imprimant (1 ; 2), un rouleau applicateur d'encre (14 ; 16) agissant sur chacun des cylindres imprimants (1 ; 2), ainsi qu'un cylindre de contre-pression (24) pouvant être appliqué sélectivement contre un des deux cylindres imprimants (1 ; 2), caractérisé en ce que sur la totalité des tourillons (4, 6 ; 17, 18 ; 22) de tous les cylindres (1, 2 ; 14, 16 ; 24) est monté au moins un disque d'appui (33, 34, 49, 52 ; 48, 51 ; 37, 38) dans lequel le tourillon correspondant (4 ; 6 ; 17 ; 18 ; 22) est monté tournant, en ce que sur chaque tourillon (4 ; 6) du cylindre imprimant (1 ; 2) sont montés deux disques d'appui (33, 49 ; 52, 34) qui sont circulaires ou pourvus en périphérie d'au moins deux segments circulaires distants l'un de l'autre et qui sont disposés l'un derrière l'autre dans la direction de l'axe longitudinal du cylindre imprimant (1 ; 2), en ce que sur chaque tourillon (17 ; 18) des rouleaux applicateurs d'encre (14 ; 16) est monté un disque d'appui (48 ; 51), en ce que sur chaque tourillon (22) du cylindre de contre-pression (24) sont montés deux disques d'appui (38 ; 37) disposés l'un derrière l'autre dans la direction de l'axe longitudinal du cylindre de contre-pression (24), en ce que l'enveloppante des disques d'appui (48 ; 51 ; 38 ; 37) montés sur les tourillons (17 ; 18 ; 22) des rouleaux applicateurs d'encre (14 ; 16) et sur ceux du cylindre de contre-pression (24) présentent une excentricité (27, 28 ; 50, 55), en ce que des disques d'appui (33 ; 49 ; 52, 34 ; 48, 51 ; 38, 37) montés sur des tourillons différents immédiatement voisins (4 ; 6 ; 17 ; 18 ; 22) coopèrent par paires (38, 34 ; 52, 51 ou 37, 33 ; 49, 48) par leurs surfaces de contact situées en périphérie, et en ce que les disques d'appui (48 ; 51 ; 38 ; 37) présentant ladite excentricité (27, 28 ; 50, 55) sont conçus avec la possibilité d'effectuer une rotation définie.
  2. Groupe imprimant selon la revendication 1, caractérisé en ce que les rouleaux applicateurs d'encre (14 ; 16) pouvant être appliqués contre les cylindres imprimants (1 ; 2) sont conçus sous la forme de rouleaux de réseau (14 ; 16) qui sont réglables en hauteur (B) et sur chacun desquels peut être appliquée une racle à chambre (29 ; 31).
  3. Groupe imprimant selon les revendications 1 et 2, caractérisé en ce que le cylindre de contre-pression (24) pouvant être appliqué contre les cylindres imprimants (1 ; 2) est monté pivotant.
  4. Groupe imprimant selon les revendications 1 à 3, caractérisé en ce que les cylindres imprimants (1 ; 2) sont garnis de plaques d'impression flexibles (3).
  5. Groupe imprimant selon les revendications 1 à 4, caractérisé en ce que chaque disque d'appui (33, 34, 49, 52) des cylindres imprimants (1 ; 2) est un roulement à billes dont la bague intérieure (35) est reliée au tourillon (4 ; 6) du cylindre (1 ; 2) solidarisé au bâti et dont la bague extérieure circulaire (40) est conçue sous la forme d'une bague de roulement fixe.
  6. Groupe imprimant selon les revendications 1 à 6, caractérisé en ce que chaque disque d'appui (48, 51 ; 37, 38) des rouleaux applicateurs d'encre ou du cylindre de contre-pression (14 ; 16 ; 24) est un roulement à billes (48, 51 ; 37, 38) dont la bague intérieure (35) est reliée au tourillon (17, 18 ; 22) du cylindre mobile (14, 16 ; 24) et dont le disque d'appui présentant l'excentricité (27, 28 ; 50, 55) est conçu sous la forme d'une bague de roulement fixe.
  7. Groupe imprimant selon les revendications 1 et 6, caractérisé en ce que les disques d'appui (48, 51 ; 37, 38) présentant une excentricité (27, 28 ; 50, 55) comportent, sur leur surface de contact extérieure (40), une denture (41, 42 ; 56, 57) qui crée une liaison par complémentarité de formes avec un moyen d'entraínement (43, 46 ; 44, 47 ; 58, 61 ; 59, 62).
  8. Groupe imprimant selon la revendication 1, caractérisé en ce que l'un des deux disques d'appui (38 ou 37) du cylindre de contre-pression (24) est prévu pour pouvoir être mis en contact alternativement avec un second disque d'appui (34 ou 33) monté sur un tourillon (4 ou 6) d'un cylindre imprimant (1 ou 2).
EP94120168A 1993-12-24 1994-12-20 Groupe imprimant pour une rotative Expired - Lifetime EP0659554B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4344365 1993-12-24
DE4344365A DE4344365C2 (de) 1993-12-24 1993-12-24 Druckwerk für eine Rotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP0659554A2 EP0659554A2 (fr) 1995-06-28
EP0659554A3 EP0659554A3 (fr) 1996-11-27
EP0659554B1 true EP0659554B1 (fr) 1998-06-10

Family

ID=6506130

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94120168A Expired - Lifetime EP0659554B1 (fr) 1993-12-24 1994-12-20 Groupe imprimant pour une rotative

Country Status (4)

Country Link
US (1) US5447101A (fr)
EP (1) EP0659554B1 (fr)
JP (1) JP2801547B2 (fr)
DE (2) DE4344365C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046792A1 (de) 2007-09-20 2009-04-02 Heidelberger Druckmaschinen Ag Druckmaschine mit Schmitzringen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501243C5 (de) * 1995-01-17 2004-01-29 Maschinenfabrik Wifag Schmitzringlagerung für einen Zylinder einer Rotationsdruckmaschine
DE19519141A1 (de) * 1995-05-30 1996-12-05 Fischer & Krecke Gmbh & Co Flexodruckmaschine mit variabler Drucklänge
GB2366243B (en) * 2000-09-02 2004-02-18 Crabtree Gateshead Ltd A flexographic printing cartridge
JP4276010B2 (ja) * 2003-07-24 2009-06-10 株式会社小森コーポレーション 印刷機における駆動装置
US20100282102A1 (en) * 2009-05-08 2010-11-11 Mehdizadeh Sharmin Label printing cylinder and process
DE102017222700A1 (de) * 2017-07-17 2019-01-17 Heidelberger Druckmaschinen Ag Druckmaschine mit Zwillingsdruckwerk und Verfahren zum Betreiben einer solchen Druckmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051573A (en) * 1932-01-22 1936-08-18 Hoe & Co R Late news mechanism for printing machines
US3196788A (en) * 1962-03-19 1965-07-27 Michle Goss Dexter Inc Bearer ring desing for four cooperating cylinders
DE1253282B (de) * 1962-08-16 1967-11-02 Goebel Gmbh Maschf Druckwerk mit beiderseits des Form- und Druckzylinders auf deren Wellen angeordnetenStuetzringen
GB1088658A (en) * 1964-09-10 1967-10-25 Miehle Goss Dexter Inc Printing presses
IT1204804B (it) * 1986-02-17 1989-03-10 Cerutti Spa Off Mec Unita' di stampa supplementare del tipo flessografiche
DE3702889A1 (de) * 1987-01-31 1988-08-11 Roland Man Druckmasch Vorrichtung zum aufbringen einer huelse auf einen druckwerkzylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046792A1 (de) 2007-09-20 2009-04-02 Heidelberger Druckmaschinen Ag Druckmaschine mit Schmitzringen
US8042467B2 (en) 2007-09-20 2011-10-25 Heidelberger Druckmaschinen Aktiengesellschaft Printing press with bearer rings

Also Published As

Publication number Publication date
EP0659554A2 (fr) 1995-06-28
DE59406202D1 (de) 1998-07-16
DE4344365C2 (de) 1997-09-18
EP0659554A3 (fr) 1996-11-27
JP2801547B2 (ja) 1998-09-21
DE4344365A1 (de) 1995-06-29
US5447101A (en) 1995-09-05
JPH07205392A (ja) 1995-08-08

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