EP0826494B2 - Unité d'impression - Google Patents

Unité d'impression Download PDF

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Publication number
EP0826494B2
EP0826494B2 EP96113753A EP96113753A EP0826494B2 EP 0826494 B2 EP0826494 B2 EP 0826494B2 EP 96113753 A EP96113753 A EP 96113753A EP 96113753 A EP96113753 A EP 96113753A EP 0826494 B2 EP0826494 B2 EP 0826494B2
Authority
EP
European Patent Office
Prior art keywords
cylinders
cylinder
drive gear
diameter
printing unit
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
EP96113753A
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German (de)
English (en)
Other versions
EP0826494A1 (fr
EP0826494B1 (fr
Inventor
Jürgen Alfred Stiel
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 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
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Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP96113753A priority Critical patent/EP0826494B2/fr
Priority to DE59603572T priority patent/DE59603572D1/de
Publication of EP0826494A1 publication Critical patent/EP0826494A1/fr
Application granted granted Critical
Publication of EP0826494B1 publication Critical patent/EP0826494B1/fr
Publication of EP0826494B2 publication Critical patent/EP0826494B2/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches

Definitions

  • the invention relates to a printing unit according to the preamble of claim 1.
  • EP 0 699 524 A2 is a rotary printing press with rubber and plate cylinders known. These rubber and plate cylinders are in pairs combined into cylinder groups. Is to each pair of plate and rubber cylinders with drive gears provided that comb with each other. On such a pair of cylinders is each of its own Drive motor driven. A first and a second Cylinder pair of plate and blanket cylinders are for example arranged in bridge construction. there are the drive gears of the two pairs of cylinders staggered (Fig. 15).
  • JP-A 63-236651 describes a printing press with paired plate and Blanket cylinders.
  • the drive wheels interacting Plate and rubber cylinders mesh with each other, while the drive wheels interacting rubber cylinders are not engaged.
  • the invention has for its object a To create printing unit.
  • a second pair of cylinders is assigned to a first cylinder pair consisting of forme and transfer cylinders by means of the drive gears of the rubber cylinder designed according to the invention, the drive gears of which are in alignment with the drive gears of the first cylinder pair and nevertheless not with one another are engaged.
  • the two pairs of cylinders can be phase-shifted from one another, for example by means of their own drives.
  • drive gears of two pairs of cylinders arranged in alignment it is advantageous that all forme cylinders and transfer cylinders can each be of identical design. This minimizes assembly, manufacturing and administrative costs.
  • the printing unit is shown in the drawing and is described in more detail below.
  • a printing unit 1 of an offset rotary printing press is shown in a so-called bridge construction.
  • This printing unit 1 is essentially two forme and transfer cylinders 2, 3, 4, 6, z. B. plate and rubber cylinders 2, 3, 4, 6 formed, which interact in pairs and thus form a first (2; 4) and a second pair of cylinders (3; 6).
  • the two rubber cylinders 4, 6 form a printing point 7 in their contact zone, in which, for example, a paper web 8 is printed.
  • a diameter d2; d3 the plate cylinder 2; 3 is, for example, 347.5 mm with the plate mounted.
  • a diameter d4; d6 the rubber cylinder 4; 6 is 347.5 mm, for example, with the rubber blanket installed.
  • the diameters d2; d3; d4; d6 the plate cylinder 2; 3 and rubber cylinder 4; 6 the same size. It is of course also possible to use this diameter d2; d3 or d4; d6 of different sizes, for example the diameter d2; d3 the plate cylinder 2; 3 0.2 mm to 0.4 mm larger than the diameter d4; d6 the rubber cylinder 4; 6 to train. Under the diameters d2; d3; d4; In the following, d6 is the respective “effective” diameter over the plate or rubber blanket of the finished plate cylinder 2; 3 or rubber cylinder 4; 6 to understand.
  • plate and blanket cylinders 2; 3; 4; 6 are at both ends with pins 9; 11-14; 16-18 provided in the side frames 19; 21 of the offset rotary printing machine are stored.
  • Plate and blanket cylinders 2; 3; 4; 6 are arranged in a known manner, for example by means of eccentric bushings, on and off.
  • the plate cylinder 2; 3 with respect to the associated rubber cylinder 4; 6 and / or the two blanket cylinders 4; 6 can be arranged on and off to one another.
  • the pins 9; 12; 14; 17 of the plate and blanket cylinders 2; 3; 4; 6 are with paired drive gears 22; 23 and 24; 26 provided.
  • One pair of cylinders each of plate and blanket cylinders 2; 4 or 3; 6 are from a separate drive 27; 28, for example, a position-controlled electric motor 27; 28 driven.
  • the electric motors 27; 28 of the respective pair of plate and blanket cylinders 2; 4 or 3; 6 are on the corresponding rubber cylinder 4; 6 provided directly or indirectly.
  • the two drives 27; 28 of the two pairs of cylinders of plate and blanket cylinders 2; 4 or 3; 6 are synchronized with each other.
  • the drive gears 22; 23; 24; 26 of the plate and blanket cylinders 2; 3; 4; 6 are arranged in one plane, ie in alignment with one another. Comb the two drive gears 22; 23 and 24; 26 each of a pair of cylinders of plate and blanket cylinders 2; 4 or 3; 6 with each other. In contrast, the two drive gears 23; 24 of the two blanket cylinders 4; 6 even when the two blanket cylinders 4; 6 not engaged with each other.
  • the two pairs of cylinders of plate and blanket cylinders 2; 4 or 3; 6 independently rotatable.
  • the drive gears are 22; 23 and 24; 26 of a pair of cylinders of plate and rubber cylinder 22; 23 and 24; 26 for example as follows:
  • the drive gears 22; 23; 24; 26 are provided with a profile shift xm.
  • To for the rubber cylinder 4; 6 drive gears 23; 26 to get whose tip circle diameter dk4; dk6 smaller as the effective diameter d4; d6 the rubber cylinder 4; 6 (e.g. 0.1 mm smaller) is one negative profile shift xm23; xm26 from for example xm23; xm26 -4.6 provided.
  • the tip circle diameter dk23; dk26 the Drive gears 23; 26 is preferably 0.3 mm to 1 mm smaller than the diameter dk4; dk6 of the done related blanket cylinder 4; 6th
  • the Diameter d2; d3; d4; d6 all cylinders the same size chosen so that to achieve the same peripheral speeds the drive gears in the contact zones 22; 23; 24; 26 equal number of teeth z22; z23; z24; have z26.
  • the number of teeth of the drive gears the cylinder can be different in size cylinders but also differentiate. Number of teeth and diameter the cylinder is like this in all cases adapted to each other that vernach for the printing process acceptable differences in peripheral speeds (i.e. generally the same Peripheral speeds) in the contact zones of the Cylinders are created.
  • the third rubber cylinder forms a second pressure point with the second 6 or first rubber cylinder 4.
  • the third rubber cylinder is then also provided with a drive gear, which does not fit into the drive gear of the cooperating third plate cylinder but into the drive gears 23; 26 of the other rubber cylinders 4; 6 engages.

Landscapes

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

Claims (6)

  1. Unité d'impression comprenant au moins deux paires de cylindres (2; 4, respectivement 3; 6), constituées chacune d'un cylindre porte-clichés (2; 3) et d'un cylindre de transfert (4; 6), et d'un cylindre d'impression (6, respectivement 4) associé, avec une roue dentée d'entraínement (26; respectivement 23), dont les roues dentées d'entraínement (22; 23; 24; 26) sont disposées de façon à s'engrener entre elles, la roue dentée d'entraínement (23, respectivement 26) ne s'engrenant pas avec la roue dentée d'entraínement (26; 23) du cylindre d'impression (6, respectivement 4), et le diamètre de cercle de tête (dk23; dk26) de la roue d'entraínement (23; 26) du cylindre de transfert (4; 6) étant plus petit que le diamètre (d4; d6) du cylindre de transfert (4; 6), et en ce qu'est prévu à titre de cylindre d'impression (4; 6) le cylindre de transfert (4; 6) de la deuxième paire de cylindres (2; 4, respectivement 3; 6) constituée d'un cylindre porte-clichés (2; 3) et d'un cylindre de transfert (4; 6), chaque paire de cylindres (2; 4 respectivement 3; 6) étant munie d'un moteur électrique (27; 28,) à régulation de position, caractérisée en ce que, pour chaque paire de cylindres (2; 4, respectivement 3; 6), la roue dentée d'entraínement (23; 26) du cylindre de transfert (4; 6), présente un décalage de profil négatif (xm23; xm26) et la roue dentée d'entraínement (22; 24) du cylindre porte-clichés (2; 3) présente un décalage de profil positif (xm22; xm24), en ce que les roues d'entraínement (23; 26) des paires de cylindres (2; 4, respectivement 3; 6) sont arrangées de façon alignée, et en ce que le moteur électrique (27; 28) de chaque paire de cylindres (2; 4, respectivement 3; 6) est prévu directement ou indirectement sur le cylindre en caoutchouc (14; 6) respectif.
  2. Unité d'impression selon la revendication 1, caractérisée en ce qu'un diamètre de cercle de tête (dk22; dk24), de la roue dentée d'entraínement (22; 24) du cylindre porte-clichés (2; 3), est plus grand qu'un diamètre (d2; d3) du cylindre porte-clichés (2; 3).
  3. Unité d'impression selon la revendication 1, caractérisée en ce que la roue dentée d'entraínement (23; 26) du cylindre de transfert (4; 6) et la roue dentée d'entraínement (22; 24) du cylindre porte-clichés (2; 3) présentent des nombres de dents identiques (z22; z23; z24; z26).
  4. Unité d'impression selon la revendication 1, caractérisée en ce que le diamètre de cercle de tête (dk23; dk26) de la roue dentée d'entraínement (23; 26) du cylindre de transfert (4; 6) est de 0,1 mm à 1 mm plus petit que le diamètre (d4; d6) du cylindre de transfert (4; 6).
  5. Unité d'impression selon la revendication 5, caractérisée en ce que les deux paires de cylindres (2; 4, respectivement 3; 6) sont disposées en construction en pont.
  6. Unité d'impression selon la revendication 1, caractérisée en ce que trois paires de cylindres (2; 4, respectivement 3; 6) sont prévues.
EP96113753A 1996-08-28 1996-08-28 Unité d'impression Expired - Lifetime EP0826494B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96113753A EP0826494B2 (fr) 1996-08-28 1996-08-28 Unité d'impression
DE59603572T DE59603572D1 (de) 1996-08-28 1996-08-28 Druckeinheit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96113753A EP0826494B2 (fr) 1996-08-28 1996-08-28 Unité d'impression

Publications (3)

Publication Number Publication Date
EP0826494A1 EP0826494A1 (fr) 1998-03-04
EP0826494B1 EP0826494B1 (fr) 1999-11-03
EP0826494B2 true EP0826494B2 (fr) 2004-01-28

Family

ID=8223135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96113753A Expired - Lifetime EP0826494B2 (fr) 1996-08-28 1996-08-28 Unité d'impression

Country Status (2)

Country Link
EP (1) EP0826494B2 (fr)
DE (1) DE59603572D1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038510A1 (de) † 1990-12-03 1992-06-04 Roland Man Druckmasch Registerstellvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510823C1 (de) * 1985-03-26 1986-09-11 Roland Man Druckmasch Rollenrotations-Offsetdruckmaschine mit einem Druckwerk fuer fliegenden Plattenwechsel
JPS63236651A (ja) * 1987-03-25 1988-10-03 Hitachi Seiko Ltd 印刷機の駆動装置
DE4430693B4 (de) * 1994-08-30 2005-12-22 Man Roland Druckmaschinen Ag Antriebe für eine Rollenrotations-Offsetdruckmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038510A1 (de) † 1990-12-03 1992-06-04 Roland Man Druckmasch Registerstellvorrichtung

Also Published As

Publication number Publication date
DE59603572D1 (de) 1999-12-09
EP0826494A1 (fr) 1998-03-04
EP0826494B1 (fr) 1999-11-03

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