EP0519302B1 - Dispositif pour la fixation de blanchets d'imprimerie sur des cylindres de transfert ou offset - Google Patents

Dispositif pour la fixation de blanchets d'imprimerie sur des cylindres de transfert ou offset Download PDF

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Publication number
EP0519302B1
EP0519302B1 EP92109674A EP92109674A EP0519302B1 EP 0519302 B1 EP0519302 B1 EP 0519302B1 EP 92109674 A EP92109674 A EP 92109674A EP 92109674 A EP92109674 A EP 92109674A EP 0519302 B1 EP0519302 B1 EP 0519302B1
Authority
EP
European Patent Office
Prior art keywords
clamping
leg
blanket
tensioning shaft
side face
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
EP92109674A
Other languages
German (de)
English (en)
Other versions
EP0519302A1 (fr
Inventor
Willi Richard Ludwig Dörsam
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
Koenig and Bauer 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, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Publication of EP0519302A1 publication Critical patent/EP0519302A1/fr
Application granted granted Critical
Publication of EP0519302B1 publication Critical patent/EP0519302B1/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
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/125—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end on a curvilinear path, e.g. by winding on a roll

Definitions

  • the invention relates to a device for fastening printing blankets on transfer and blanket cylinders according to the preamble of claim 1.
  • a device for attaching the lowermost layer or the lower layers of multi-layer covers for transfer and blanket cylinders in which the blanket pad is pressed by a trapezoidal strip by means of spring force against a clamping surface of the cylinder channel and thus between the channel wall and Clamping surface of the bar is clamped.
  • the disadvantage here is that the bar must be adjusted by hand using a wrench.
  • US-A-26 21 592 shows a printing plate clamping and tensioning device. A clamping and clamping spindle is provided.
  • the invention has for its object to provide a device for attaching printing blankets to transfer or blanket cylinders in printing machines, with which an automatic and secure clamping of an underlying blanket pad is made possible when tensioning an overhead blanket and no additional tools are required.
  • the advantage of the device according to the invention lies in particular in that an automatic and safe clamping of the printing blanket under the tensioning of the printing blanket takes place without the need for an additional operation or the use of tools. Due to the design of the fastening device, the blanket pad has no possibility of slipping or moving.
  • the arrangement of a reinforcement profile on the terminal strip ensures that the clamping edge and the control edge are in even contact. As a result of the fact that the terminal block has radially arranged slots, the spring action of the terminal block is increased.
  • Fig. 1 shows a partial cross section of a blanket cylinder 1 for sheet-fed offset printing machines.
  • a channel 2 in which a tension shaft 3 with a slot 4 is arranged, runs parallel to the axis of the blanket cylinder 1, not shown.
  • an axially extending terminal strip 8 is fastened by means of screws 7, which has an essentially L-shaped cross section.
  • the clamping strip 8 has a clamping leg 9 running parallel to the channel side surface 6 and a control leg 11 running tangential to the tensioning shaft 3.
  • the terminal block 8 is made of resilient material. As can be seen from Fig. 1, a blanket pad 12 is inserted into a clamping point of the terminal block 8.
  • Fig. 3 it is shown how the blanket 13 is inserted with its end in the slot 4 of the tension shaft 3.
  • the end of the blanket 13 is fastened in a bar 14.
  • the tensioning shaft 3 has been moved in the direction of arrow B in relation to the illustration according to FIG. 2 by approximately 90 ° and the tensioning of the printing blanket 13 has started.
  • the blanket pad 12 was clamped automatically and without the use of tools by means of the clamping strip 8 during the movement of the tensioning shaft 3.
  • the blanket layer 12 or the blanket pads 12 are dimensioned in such a thickness that they are adapted to the diameter of the bearer ring 16 together with the blanket 13.
  • the other end of the printing blanket 13 is wrapped around the circumference of the entire blanket cylinder 1, not shown, at about 280 °, likewise clamped by means of a tensioning shaft.
  • a separate terminal block for the lower blanket pad 12 is not required.
  • Fig. 4 shows a view A from Fig. 1.
  • the terminal block 8 between its L-shaped legs 9, 11 has a reinforcing profile 17 which z. B. can be tubular in cross section.
  • the clamping leg 9 has radial, ie running in the direction of the blanket cylinder center slots 18, which leads to an improved spring action thereof.
  • the tension shaft 3 is on one side with an actuator equipped, which can consist of a worm wheel 19 with a worm 21.
  • the clamping device according to the invention can also be used for web offset machines.

Landscapes

  • Printing Plates And Materials Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Tyre Moulding (AREA)

Claims (5)

  1. Dispositif de fixation de couche inférieure de blanchet sur un cylindre de transfert ou un cylindre porte-blanchet, de machine à imprimer rotative, en particulier pour effectuer la fixation séparée de la couche inférieure de blanchet, respectivement des couches de blanchet les plus basses de garnitures multicouches, au moyen d'une bande de serrage, disposée dans un canal, ouvert et s'étendant parallèlement à l'axe de cylindre, du cylindre porte-blanchet, avec un arbre tendeur susceptible de tourner, doté d'une fente s'étendant dans la direction axiale et radiale de l'arbre tendeur, pour recevoir une extrémité de blanchet, caractérisé en ce que la bande de serrage (8) a une section transversale sensiblement en L, avec une branche de serrage (9), s'étendant parallèlement à une face latérale de canal (6) et une branche de commande (11), pénétrant dans la fente (4) de l'arbre tendeur (3), en ce que la branche de serrage (9) est déplacable conjointement avec la bande de serrage (8), dans la direction d'une face latérale de canal (6) du canal (2), en ce que la branche de commande (11) peut être disposée de façon à être placée, par rotation de l'arbre tendeur (3) hors de la fente (4), d'un niveau bas à un niveau plus élevé sur l'arbre tendeur (3), en ce que, dans une première position, la branche de commande (11) pénètre dans la fente (4) et ainsi place la branche de serrage (9) dans une position éloignée de la face latérale de canal et, dans une deuxième position, la branche de commande (11) se place à un niveau plus élevé de l'arbre tendeur (3) et la branche de serrage (9) étant susceptible d'être placée dans une position proche de la surface latérale de canal.
  2. Dispositif selon la revendication 1, caractérisé en ce que la bande de serrage (8) présente un profil de renforcement (17) sur pratiquement toute sa longueur, en direction axiale.
  3. Dispositif selon les revendications 1 à 2, caractérisé en ce que le profil de renforcement (17) est constitué d'un tube.
  4. Dispositif selon les revendications 1 à 3, caractérisé en ce que la bande de serrage (8) est fixée sur sa branche de serrage (9), sur la face latérale de canal (6), au moyen de vis (7).
  5. Dispositif selon les revendications 1 à 4, caractérisé en ce que la bande de serrage (8) présente sur sa branche de serrage (9) des fentes (18) s'étendant dans la direction radiale du cylindre porte-blanchet (1).
EP92109674A 1991-06-15 1992-06-09 Dispositif pour la fixation de blanchets d'imprimerie sur des cylindres de transfert ou offset Expired - Lifetime EP0519302B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4119823A DE4119823C1 (fr) 1991-06-15 1991-06-15
DE4119823 1991-06-15

Publications (2)

Publication Number Publication Date
EP0519302A1 EP0519302A1 (fr) 1992-12-23
EP0519302B1 true EP0519302B1 (fr) 1995-10-11

Family

ID=6434052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92109674A Expired - Lifetime EP0519302B1 (fr) 1991-06-15 1992-06-09 Dispositif pour la fixation de blanchets d'imprimerie sur des cylindres de transfert ou offset

Country Status (5)

Country Link
US (1) US5218906A (fr)
EP (1) EP0519302B1 (fr)
JP (1) JPH0777797B2 (fr)
DE (3) DE9116368U1 (fr)
RU (1) RU2098282C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224375A1 (de) * 2002-06-01 2003-12-11 Koenig & Bauer Ag Gummituch

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20010395U1 (de) * 2000-06-09 2001-10-11 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Zylinder mit einer Klemmeinrichtung in einer Druckmaschine
DE10224301B4 (de) 2001-07-30 2022-06-15 Heidelberger Druckmaschinen Ag Vorrichtung zum Halten und Spannen eines Zylinderaufzugs
DE10213651A1 (de) 2002-03-27 2003-10-16 Roland Man Druckmasch Zylinder mit einer Befestigungsvorrichtung für einen biegsamen, oberen Aufzug in einer Verarbeitungsmaschine
DE102006061316B4 (de) * 2006-12-22 2014-11-20 Koenig & Bauer Aktiengesellschaft Vorrichtung mit mehreren jeweils in einem Abstand zueinander angeordneten Speicherebenen
JP5872056B2 (ja) * 2011-10-25 2016-03-01 ヒューレット−パッカード・インデイゴ・ビー・ブイＨｅｗｌｅｔｔ−Ｐａｃｋａｒｄ Ｉｎｄｉｇｏ Ｂ．Ｖ． ブランケット交換システム及びその方法
KR101570869B1 (ko) * 2014-12-31 2015-11-23 엘지디스플레이 주식회사 롤러블 디스플레이 장치
US10737481B2 (en) * 2017-07-03 2020-08-11 Manroland Goss Web Systems Gmbh Plate cylinder with plate lockup mechanism and related printing press and method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621592A (en) * 1947-12-26 1952-12-16 Time Inc Plate clamp for plate cylinder of printing presses
DE1145185B (de) * 1960-03-08 1963-03-14 Vickers Armstrongs Engineering Anordnung zum Befestigen des Aufzugs auf dem Druckzylinder einer Druckmaschine
US3112698A (en) * 1961-01-03 1963-12-03 Addressograph Multigraph Printing machines
US3168040A (en) * 1962-07-18 1965-02-02 Harris Intertype Corp Plate clamp registering mechanism
FR1348679A (fr) * 1963-01-14 1964-01-10 Wood Newspaper Mach Corp Dispositif de fixation par-dessous des clichés stéréotypes
DE2126941A1 (de) * 1971-05-29 1972-11-30 Albert Schnellpressen Vorrichtung zum Spannen von biegsamen Druckplatten auf dem Formzylinder von Rotationsdruckmaschinen
US3757690A (en) * 1971-08-11 1973-09-11 Polygraph Leipzig Printing plate clamping device
GB1486873A (en) * 1974-08-06 1977-09-28 Koenig & Bauer Ag Printing press cylinder with means of securing a mounting block for a printing plate or blanket clamping device
US4104968A (en) * 1976-06-03 1978-08-08 Albert-Frankenthal Ag Clamping device for flexible printing plates
DE2634554C2 (de) * 1976-07-31 1982-03-18 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Vorrichtung zum Befestigen und Spannen von biegsamen Druckplatten
DD128886A1 (de) * 1976-12-21 1977-12-14 Friedrich Gottwald Einrichtung zum befestigen der drucktuecher auf uebertragungs-oder offsetzylindern
US4426431A (en) * 1982-09-22 1984-01-17 Eastman Kodak Company Radiation-curable compositions for restorative and/or protective treatment of photographic elements
JPS6221547A (ja) * 1985-07-22 1987-01-29 Mitsubishi Paper Mills Ltd オフセット輪転印刷機に刷版を装着する方法及びそれに用いる刷版固定治具
DE3532003A1 (de) * 1985-09-07 1987-03-19 Roland Man Druckmasch Spannvorrichtung zum wahlweisen befestigen eines gummituches oder einer druckplatte
DE9004130U1 (de) * 1990-04-10 1990-06-13 MAN Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Spannen von Platten auf einen Formzylinder einer Rotationsdruckmaschine
JP3178145B2 (ja) * 1993-01-27 2001-06-18 株式会社ノーリツ ガス燃焼器の着火方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224375A1 (de) * 2002-06-01 2003-12-11 Koenig & Bauer Ag Gummituch

Also Published As

Publication number Publication date
EP0519302A1 (fr) 1992-12-23
JPH0777797B2 (ja) 1995-08-23
US5218906A (en) 1993-06-15
DE4119823C1 (fr) 1992-12-24
DE9116368U1 (de) 1992-08-20
DE59203956D1 (de) 1995-11-16
RU2098282C1 (ru) 1997-12-10
JPH05169632A (ja) 1993-07-09

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