EP0904935B1 - Dispositif pour changer la position d'une bande de support d'impression - Google Patents

Dispositif pour changer la position d'une bande de support d'impression Download PDF

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Publication number
EP0904935B1
EP0904935B1 EP98118051A EP98118051A EP0904935B1 EP 0904935 B1 EP0904935 B1 EP 0904935B1 EP 98118051 A EP98118051 A EP 98118051A EP 98118051 A EP98118051 A EP 98118051A EP 0904935 B1 EP0904935 B1 EP 0904935B1
Authority
EP
European Patent Office
Prior art keywords
web
printing
printing unit
units
loop
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
EP98118051A
Other languages
German (de)
English (en)
Other versions
EP0904935A3 (fr
EP0904935A2 (fr
Inventor
Erwin Dimmel
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0904935A2 publication Critical patent/EP0904935A2/fr
Publication of EP0904935A3 publication Critical patent/EP0904935A3/fr
Application granted granted Critical
Publication of EP0904935B1 publication Critical patent/EP0904935B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/02Conveying or guiding webs through presses or machines

Definitions

  • the invention relates to a device for changing the web position of a printing material web according to the preamble of claim 1.
  • a printing unit consisting of printing unit cylinders arranged one above the other, is known for a web-fed rotary printing press, into which a web to be printed coming from an ascending web guide section can be inserted laterally between two printing unit cylinders via a guide roller deflecting the web, the ascending web via the guide roller deflecting the web allows access to upper printing unit cylinders.
  • An offset printing press is known from EP 0 699 524 A2, the cylinders and functional groups of which are each driven by a separate electric motor.
  • the invention has for its object to provide a device for changing the web position of a printing substrate web according to the preamble of claim 1, which is inexpensive and can be implemented with simple, space-saving technical means.
  • Fig. 1 shows one with two superimposed double printing units 1; 2 H-printing unit equipped in a horizontal cylinder arrangement 3.
  • Each double printing unit 1; 2 consists of two printing units 4; 5 or 6; 7, each with an outside forme cylinder 8 to 11 and an inside transfer cylinder 12 to 15.
  • the upper printing unit 6 or 7 is in each case by the printing material web 16; 17 covered.
  • the appearance 24 is pivoted back, for example by a pressure medium-operated working cylinder, and the web loop 22 is subsequently reduced by means of the drive of the double printing unit 2 and this downstream web-promoting functional groups, possibly in cooperation with the unwinding device.
  • FIG. 2 shows one of two H printing units 28 arranged one above the other; 29 existing six-tower 30, in which the printing material web in the lower left printing unit 32 is coated with color directly from the forme cylinder in order to cover a printing material web 31 on one side with two and four colors. Due to the web guide covering the overlying printing unit 33 for this operation, the printing material web 31 is lowered downward into a web loop 34, via which a step 35 is pivotably arranged, in order to operate this printing unit 33.
  • FIG. 3 shows three double printing units 37 arranged one behind the other and each covering three colors, one horizontally running printing material web 36; 38; 39 each with a vertical cylinder arrangement.
  • the drive of the cylinders what has already been said about FIG. 1 applies here.
  • each operation of the upper printing unit 40; 41 the printing material web 36 that hides this in the operating position in a in front of the lower printing unit 42; 43 between the double printing units 37; 38 and 38; 39 trainees Web loop 44; 45 are lowered into which an appearance 46; 47 is pivotally installed on the frame.

Landscapes

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

Claims (9)

  1. Dispositif pour modifier la position d'une bande de matériau support d'impression (16; 17; 31; 36) dans une machine à imprimer rotative comportant au moins deux groupes imprimants (4; 5; 40 à 43 ou 6; 7; 32; 33) qui sont disposés l'un au-dessus de l'autre, côté service, et dont un (4; 5; 40 à 43 ou 6; 7; 32; 33) est masqué, pour un opérateur, par la bande de matériau support d'impression (16; 17; 31; 36) se trouvant dans la position d'utilisation et est accessible, en dehors de l'opération d'impression, au moyen d'une modification de position de la bande de matériau support d'impression (16; 17; 31; 36) et d'une marche (24; 26; 35; 46; 47) à emplacement modifiable, caractérisé en ce que des groupes fonctionnels faisant avancer la bande de matériau support d'impression (16; 17; 31; 36), incluant les groupes imprimants (4; 5; 40 à 43 ou 6; 7; 32; 33) respectivement associés, peuvent être actionnés pour, par l'intermédiaire d'une modification de la longueur de bande, créer une boucle de bande (22; 27; 34; 44; 45) pendante, qui autorise l'accès au groupe imprimant supérieur respectif (6; 7; 33; 40; 41), et pour la défaire, ceci de la manière qui consiste en ce qu'un dérouleur achemine une longueur de bande supplémentaire pour la formation de la boucle à l'endroit souhaité et cette dernière est défaite par des groupes fonctionnels placés à la suite dans la direction de défilement de la bande, qui font avancer la bande de matériau support d'impression, y compris les groupes imprimants associés, le cas échéant en coopération avec le dérouleur, et la marche (24; 26; 35; 46; 47) peut être amenée dans la région inférieure de la boucle de bande (22; 27; 34; 44; 45).
  2. Dispositif selon la revendication 1, caractérisé en ce que la marche (24; 26; 35; 46; 47) est fixée au bâti d'une façon lui permettant de pivoter transversalement à la bande de matériau support d'impression (16; 17; 31; 36), de l'extérieur jusque dans la boucle de bande (22; 27; 44; 45).
  3. Dispositif selon la revendication 1 et 2, caractérisé en ce que les groupes fonctionnels sont actionnables individuellement par moteur.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les groupes imprimants (4 à 7) appartiennent chacun à l'un de deux groupes imprimants doubles (1; 2) disposés l'un au-dessus de l'autre, avec une disposition relativement horizontale des cylindres.
  5. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les groupes imprimants (40; 42 ou 41; 43) appartiennent à un groupe imprimant double (37; 38) présentant une disposition relativement verticale des cylindres.
  6. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les cylindres de chaque groupe imprimant (4 à 7; 32; 33; 40 à 43) ou de chaque groupe imprimant double (1; 2; 37; 38) peuvent être entraînés séparément ou conjointement par moteur.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que les groupes imprimants (4 à 7; 32; 33; 40 à 43) sont chacun constitués d'un cylindre porte-forme et d'un cylindre de transfert (8 à 11; 12 à 15).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que les groupes fonctionnels, sous forme de dispositifs d'enfilage (18; 19), de dispositifs d'extraction et de rouleaux de traction, sont chacun constitués d'un système de rouleaux pouvant être entraîné individuellement, qui transporte une bande de matériau support d'impression (16; 17; 31; 36) en la maintenant fermement en tension.
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce qu'un dérouleur, constituant un groupe fonctionnel, peut être entraîné individuellement.
EP98118051A 1997-09-26 1998-09-23 Dispositif pour changer la position d'une bande de support d'impression Expired - Lifetime EP0904935B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742560 1997-09-26
DE19742560A DE19742560A1 (de) 1997-09-26 1997-09-26 Vorrichtung zur Veränderung der Bahnlage einer Bedruckstoffbahn

Publications (3)

Publication Number Publication Date
EP0904935A2 EP0904935A2 (fr) 1999-03-31
EP0904935A3 EP0904935A3 (fr) 1999-12-29
EP0904935B1 true EP0904935B1 (fr) 2002-02-27

Family

ID=7843739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118051A Expired - Lifetime EP0904935B1 (fr) 1997-09-26 1998-09-23 Dispositif pour changer la position d'une bande de support d'impression

Country Status (2)

Country Link
EP (1) EP0904935B1 (fr)
DE (2) DE19742560A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19860540A1 (de) 1998-12-30 2000-07-20 Koenig & Bauer Ag Mehrfarben-Rollenrotationsdruckmaschine
DE10149829B4 (de) * 2001-10-09 2005-12-22 Man Roland Druckmaschinen Ag Vorrichtung zur Veränderung der Bahnlage einer Bedruckstoffbahn
US9180655B2 (en) 2011-03-11 2015-11-10 Hewlett-Packard Indigo B.V. Convertible buffers for web presses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE401476B (sv) * 1976-09-20 1978-05-16 Wifag Maschf Styrning for pappersbana till rotationstryckmaskiner
DE3034670C2 (de) * 1980-09-13 1983-02-24 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Papierführung für eine Rollen-Rotationsdruckmaschine
DE3905400A1 (de) * 1989-02-22 1990-08-23 Roland Man Druckmasch Vorrichtung zur veraenderung der bahnlage einer bedruckstoffbahn
DE3939432A1 (de) * 1989-11-29 1991-06-06 Roland Man Druckmasch Druckwerksturm bestehend aus mindestens zwei uebereinander angeordneten satellitendruckwerken
DE4430693B4 (de) * 1994-08-30 2005-12-22 Man Roland Druckmaschinen Ag Antriebe für eine Rollenrotations-Offsetdruckmaschine

Also Published As

Publication number Publication date
EP0904935A3 (fr) 1999-12-29
DE19742560A1 (de) 1999-04-01
DE59803177D1 (de) 2002-04-04
EP0904935A2 (fr) 1999-03-31

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