EP0655327B1 - Dispositif d'encrage pour l'impression en creux - Google Patents

Dispositif d'encrage pour l'impression en creux Download PDF

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Publication number
EP0655327B1
EP0655327B1 EP94117996A EP94117996A EP0655327B1 EP 0655327 B1 EP0655327 B1 EP 0655327B1 EP 94117996 A EP94117996 A EP 94117996A EP 94117996 A EP94117996 A EP 94117996A EP 0655327 B1 EP0655327 B1 EP 0655327B1
Authority
EP
European Patent Office
Prior art keywords
gravure printing
torsion bar
forme cylinder
bar spring
inking
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
EP94117996A
Other languages
German (de)
English (en)
Other versions
EP0655327A1 (fr
Inventor
Wolfgang Knoll
Klaus Mages
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 EP0655327A1 publication Critical patent/EP0655327A1/fr
Application granted granted Critical
Publication of EP0655327B1 publication Critical patent/EP0655327B1/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
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/061—Inking devices
    • B41F9/063—Using inking rollers

Definitions

  • the invention relates to an inking unit for a Rotogravure printing press according to that Preamble of claim 1.
  • the US-PS 51 03 723 is an inking unit with a Ink roller for an intaglio printing machine as well as a Mechanism for adjusting the height of a paint tray to remove the forme cylinder.
  • the inking roller is by means of a lever system and a working cylinder pressed a forme cylinder.
  • GB 259 684 discloses an intaglio inking unit with one in a forme cylinder immersed in an ink pan. This Forme cylinder is made using a inking roller dyed, the inking roller by means of a Tension spring is pressed onto the forme cylinder.
  • the invention is based on the object Inking unit with a device for presetting of the dimensions of the forme cylinder Pressure to create a so-called inking roller, the without pneumatic or hydraulic pressurization gets along.
  • ink tray filled to the brim with gravure ink 1 2 immerse both a inking roller 3 and Forme cylinder 4 a.
  • the forme cylinder 4 is immersed in preselectable depth, e.g. B. a few centimeters in the Gravure ink.
  • the inking roller 3 is on her Shell surface covered with a textile cover and stands spaced laterally at a distance a, e.g. B. left of a vertical plane 6, by a not shown Rotation axis of the forme cylinder 4 below the Rotational axis in frictional contact with the jacket of the Forme cylinder 4.
  • the inking roller 3 is at first ends 7 of lever arms 8 rotatably mounted in the paint tray added. Second ends 9 of the lever arms 8 are releasably with a first end 11 of a torsion bar spring 12 connected.
  • the torsion bar spring 12 can have hexagonal cross section.
  • the first end 11 of the torsion bar spring 12 is non-positive and positive with a first end 14 a hexagon socket having sleeve 13 connected.
  • the sleeve 13 instructs its second end 16 has an external thread, which with a threaded hole in the second end 9 of the lever arm 8 is in operative connection. Between their two ends 14, 16 is the sleeve 13 in an ink pan fixed bearing block 17 stored.
  • the sleeve 13 has at its first end 14 on an external hexagon 18, by means of which the Sleeve 13 with the first end 11 of the torsion bar spring 12 in the threaded bore of the second end 9 of the lever arm 8 rotatable, d. H. can be preloaded.
  • a clamping piece provided (non-positive and positive connection).
  • a second end 21 of the torsion bar spring 12 is fixed in one fixture 22 fixed to the paint tray.
  • the bearing block 22 is equipped with an anti-rotation lock, e.g. B. in the form of a flat strut or crossbar 23 connected.
  • the bearing block 22 forms together with the traverse 23 is an abutment for a force and positive reception of the second end 21 of the Torsion bar spring 12.
  • a bottom plate 24 has in each case eccentric beads 26 on, for receiving itself vertically downwardly extending supports 27, by means of which the paint tray with the arranged in it Ink roller 3 movable in the vertical plane 6 is.
  • the supports 27 are analogous to the version in the US-PS 51 03 723 designed as racks.
  • the support 27 is in a frame-fixed, not shown Guide slidable, but not rotatable.
  • the counter serves as a display for the current altitude the ink tray 2 and is a measure of the current Immersion depth of the forme cylinder 4 to use.
  • one Reduction gear can lift the paint pan 2 or be lowered. All parts mentioned so far 7 up to 27 are available twice and can be used accordingly the partial top view of FIG. 2 on horizontal, transverse extending to the axial direction of the inking roller 3 Center line 28 to be mirrored. However, it is also possible to form the torsion bar spring 12 in one piece.
  • the inking roller 3 corresponds to the width of the forme cylinder 4 and its diameter in their force can be preset using both Torsion bar springs 12.
  • the setting is done by turning the two outer hexagon of the sleeves 13, which over the clamping pieces 19 in the second ends 9 of the Lever arm 8 can be clamped. Any splashes of paint remain with regard to the function of the controls harmless.
  • an appropriate design of the Invention has the bearing block 17 in an axial Direction of the inking roller 3 running bore Recording a dowel pin 29, with which the movement the pretensioned lever arms 8 limited upwards is, especially if the ink pan 2 with the Inking roller 3 is moved vertically downwards, e.g. B. when changing the forme cylinder 4.
  • the said, in the lever arm 8 located slot 31 extends in Direction of the vertical plane 6.
  • An additional under the color pan 2 arranged color return pan is in the Drawings not shown.

Claims (5)

  1. Dispositif d'encrage pour impression héliographique comprenant un bac d'encre (2) associé à un cylindre gravé (4) qui y plonge et à un rouleau encreur (3), le rouleau encreur (3) étant monté en rotation aux premières extrémités (7) de bras de levier (8) et les secondes extrémités (9) des bras de levier (8) étant montées pivotantes à l'intérieur du bac d'encre (2) et reliées chacune par complémentarité de forces et de formes à la première extrémité (11) d'un ressort (12), et le rouleau encreur (3) étant en contact roulant avec la surface périphérique du cylindre gravé (4), caractérisé en ce que les ressorts (12) sont conçus sous la forme de ressorts à barre de torsion (12) pouvant être mis en précontrainte, et en ce que la seconde extrémité (21) du ressort à barre de torsion est immobilisée par serrage dans un moyen de contre-appui (22, 23) solidaire du bac d'encre.
  2. Dispositif d'encrage pour impression héliographique selon la revendication 1, caractérisé en ce que le moyen de contre-appui (22, 23) est constitué par une traverse (23) solidaire du bac d'encre et associée à une sellette d'appui (22), et en ce que la sellette d'appui (22) est reliée par complémentarité de forces et de formes à la seconde extrémité (21) du ressort à barre de torsion (12).
  3. Dispositif d'encrage pour impression héliographique selon les revendications 1 et 2, caractérisé en ce que la première extrémité (11) du ressort à barre de torsion (12) est reliée par complémentarité de forces et de formes, avec une possibilité de blocage, à la seconde extrémité (9) des bras de levier (8) logée dans une sellette d'appui (17) solidaire du bac d'encre.
  4. Dispositif d'encrage pour impression héliographique selon les revendications 1 à 3, caractérisé en ce que la mobilité des bras de levier (8) est limitée vers le haut au moyen d'une butée (17, 29, 31).
  5. Dispositif d'encrage pour impression héliographique selon les revendications 1 à 4, caractérisé en ce que le bac d'encre (2) est monté avec une possibilité de réglage en hauteur au moyen d'un support (27) coulissant dans un guide.
EP94117996A 1993-11-27 1994-11-15 Dispositif d'encrage pour l'impression en creux Expired - Lifetime EP0655327B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4340482A DE4340482C2 (de) 1993-11-27 1993-11-27 Tiefdruckfarbwerk
DE4340482 1993-11-27

Publications (2)

Publication Number Publication Date
EP0655327A1 EP0655327A1 (fr) 1995-05-31
EP0655327B1 true EP0655327B1 (fr) 1998-06-10

Family

ID=6503616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117996A Expired - Lifetime EP0655327B1 (fr) 1993-11-27 1994-11-15 Dispositif d'encrage pour l'impression en creux

Country Status (4)

Country Link
US (1) US5438924A (fr)
EP (1) EP0655327B1 (fr)
JP (1) JP2911766B2 (fr)
DE (2) DE4340482C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003728A1 (de) 2007-01-25 2008-08-07 Koenig & Bauer Aktiengesellschaft Farbwerk zum Einfärben eines Formzylinders eines Druckwerks einer Tiefdruckmaschine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2416663A2 (fr) * 2009-03-18 2012-02-15 Martin Benedict George Donnelly Formulation parasiticide
CN112423986B (zh) 2018-06-12 2023-06-09 鲍勃斯脱意大利有限公司 轮转凹版印刷机的墨盒
EP3807091B1 (fr) 2018-06-12 2023-07-12 Bobst Italia S.P.A. Système d'encrage pour une presse à rotogravure présentant des configurations optimales pour plusieurs types d'encre et procédé de configuration du système d'encrage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB259684A (en) * 1925-07-17 1926-10-18 Walter Everett Molins Improvements in and relating to printing machines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1611286A1 (de) * 1967-08-31 1970-04-02 Albert Schnellpressen Einfaerbevorrichtung fuer den Formzylinder von Tiefdruckmaschinen
GB1259097A (fr) * 1968-02-28 1972-01-05
JPS52120611U (fr) * 1976-03-09 1977-09-13
DE4030377A1 (de) * 1990-09-26 1992-04-16 Frankenthal Ag Albert Farbwerk fuer eine tiefdruckmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB259684A (en) * 1925-07-17 1926-10-18 Walter Everett Molins Improvements in and relating to printing machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003728A1 (de) 2007-01-25 2008-08-07 Koenig & Bauer Aktiengesellschaft Farbwerk zum Einfärben eines Formzylinders eines Druckwerks einer Tiefdruckmaschine
DE102007003728B4 (de) * 2007-01-25 2009-10-29 Officine Meccaniche Giovanni Cerutti S.P.A. Farbwerk zum Einfärben eines Formzylinders eines Druckwerks einer Tiefdruckmaschine

Also Published As

Publication number Publication date
DE59406200D1 (de) 1998-07-16
EP0655327A1 (fr) 1995-05-31
JPH07195679A (ja) 1995-08-01
DE4340482A1 (de) 1995-06-01
DE4340482C2 (de) 1995-10-12
JP2911766B2 (ja) 1999-06-23
US5438924A (en) 1995-08-08

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