EP1072410B1 - Dispositif de dosage d'un produit liquide dans une machine à imprimer - Google Patents

Dispositif de dosage d'un produit liquide dans une machine à imprimer Download PDF

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Publication number
EP1072410B1
EP1072410B1 EP00113630A EP00113630A EP1072410B1 EP 1072410 B1 EP1072410 B1 EP 1072410B1 EP 00113630 A EP00113630 A EP 00113630A EP 00113630 A EP00113630 A EP 00113630A EP 1072410 B1 EP1072410 B1 EP 1072410B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
doctor
rotary joint
coupler
printing
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
EP00113630A
Other languages
German (de)
English (en)
Other versions
EP1072410A1 (fr
Inventor
Jürgen Schölzig
Guido Reschke
Reinhold Guba
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 EP1072410A1 publication Critical patent/EP1072410A1/fr
Application granted granted Critical
Publication of EP1072410B1 publication Critical patent/EP1072410B1/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
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/08—Print finishing devices, e.g. for glossing prints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/40—Auxiliary devices or processes associated with the drives
    • B41P2213/42—Vibration-dampers for machine parts

Definitions

  • the invention relates to a device for dosing a liquid medium in a printing press according to the generic term of the main claim.
  • a rotary printing press is included at least one coating unit designed as a flexographic printing unit formed and has a sheet guide cylinder, a Forme cylinder and an application roller with a chamber doctor blade as a dosing system.
  • the dosing system is with a line system with a reservoir consisting of an upstream Feed pump and a feed line and one downstream suction pump and return line in functional connection.
  • the reservoir is provided with a coating medium via the line system, for example dispersion varnish, feedable, which is present on the dosing system under slight overpressure.
  • EP 0 635 366 B1 describes a method and a device known, according to which the purpose of dosing a liquid medium Pressure supply of a chambered doctor blade to an application roller via an eccentric bearing. The doctor blade is again with a feed and a discharge for the liquid medium, for example lacquer, coupled.
  • the invention is based on the object of a device to meter the type described above to create the avoids the disadvantages mentioned, in particular a more uniform print / varnish quality on the substrate allowed and the premature wear of the facility noticeably reduced itself.
  • a first advantage of the device according to the invention is justified that possible pulsations on a doctor system be dampened. Thereby pulsating vibrations, which result, for example, from a pump system and / or vibrations on the doctor system itself, for example generated by a channel impact, noticeably reduced. Possible There are fluctuations in the quality of the printing / painting process obsolete.
  • the device according to the invention dosing more evenly and preferably by means of a doctor system uniform layer thicknesses of paint or varnish allowed a substrate. For example, it will Gloss behavior and / or the effect display improved.
  • doctor system with a Damping system is provided.
  • the starting pressure is on a squeegee system can be reduced and the wear on at least a doctor blade or one associated with the doctor system Applicable roller can be reduced.
  • a sheet-fed rotary printing press is in a row construction according to FIG. 1 shown.
  • the partial view shown in Fig. 1 of such Among other things, the printing press is used for inline finishing.
  • the plate cylinder 13 is an inking unit and possibly a dampening unit assigned, which will not be discussed in more detail here.
  • the printing unit 14 is a first coating unit in the conveying direction 5 15 downstream, which by a forme cylinder 2, a screened applicator roll 3 and a doctor blade system 4, for example a chambered doctor blade is formed.
  • the forme cylinder 2 is assigned to the impression cylinder 1.
  • the first coating unit 15 is a dryer device 20, for example an infrared dryer, downstream of an adjacent printing cylinder 1 or alternatively assigned to an adjacent transfer cylinder 17 is.
  • the dryer device 20 follows in the conveying direction 5 a second coating unit 16 with forme cylinder 2, preferably a rastered application roller 3 and the doctor system 4.
  • Printing cylinders 1 of printing units 14, coating units 15, 16 and the dryer device 20 are by means of transfer cylinders 17 interconnected for sheet transport.
  • the second coating unit 16 is followed by an extension arm in the conveying direction 5 18, which the sheet-shaped printing material by means of rotating Conveying system 19 a boom stack in a known manner feeds and stores there.
  • the blanket cylinder 12 in Printing unit 14 carries, for example, a rubber blanket
  • the forme cylinder 2 of the first coating unit 15 carries, for example flexible high pressure plate
  • the forme cylinder 12 of the second Coating unit 16 for example, also bears a flexible one High pressure plate.
  • the sheet guide cylinder, impression cylinder 1 and transfer cylinder 17, the forme cylinder 2 with associated Applicator roller 3 are mounted in side frames.
  • the printing units 14 and coating units 15, 16 are the respective Print / varnish gap an upstream sheet guiding device 6 and a downstream sheet guide device 7.
  • the doctor blade system 4 is preferably a chamber doctor blade with each one in the direction of rotation of the application roller 3 positive and negative employed doctor blade.
  • the doctor blade system 4 is at least a feed 27 and at least one discharge 28 for the Supply with a liquid medium trained. Prefers is as a liquid medium varnish, printing ink like flexographic printing ink and / or a cleaning fluid can be processed.
  • the feed 27 and the discharge 28 are in a line circuit at least one pump system for the paint, paint or Integrated cleaning fluid supply.
  • the doctor system 4 is on at least a first swivel joint 8 pivotable in the direction of the neighboring, preferably as Anilox roller trained, applicator roller 3 arranged.
  • the first swivel joint 8 is arranged fixed to the frame and on this a coupling 9 is articulated.
  • the coupling 9 faces from the end Doctor blade system 4 removes a second swivel joint 10 on which a damping system 22 arranged fixed to the frame is articulated is.
  • the coupling 9 has an end third pivot 11 on which a fixed to the frame Actuator 21, e.g. a working cylinder, is arranged.
  • the actuating device 21 serves the on and off Turn off the doctor system 4 and generates a constant Contact force on the squeegee system 4, including an automatic one Adjustment if the doctor blades and / or wear the application roller 3.
  • one of the previously described Swivel joints 10, 11 - acc. Fig. 3 it is the third hinge 11 - the actuator 21 and the damping system 22 arranged.
  • the functions of the damping system are preferred 22 and the actuator 21 in one Integrated unit.
  • the doctor system 4 is preferably on the back with a holder 23 firmly connected, which is connected to the coupling 9 and is articulated on the first swivel joint 8.
  • a holder 23 firmly connected, which is connected to the coupling 9 and is articulated on the first swivel joint 8.
  • Coupling 9 and bracket 23 in the region of the swivel joint 8 an elongated hole.
  • the first swivel joint is 8 each on the inner wall of a side frame (A and B side) arranged on both sides.
  • a and B side a side frame
  • At least the controls 21 of the A and B sides can be operated synchronously.
  • An oil pressure shock absorber for example, is used as the damping system 22 and as an actuator 21 is an air cylinder used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Claims (5)

  1. Dispositif de dosage d'un produit liquide dans une machine d'impression, comprenant au moins un rouleau d'enduction en contact avec un cylindre de forme et un système de racle associé, pouvant être posé et retiré, une alimentation en encre, vernis et/ou fluide de nettoyage avec un système de pompe étant associée au système de racle,
    caractérisé en ce que
    le système de racle (4) est disposé de manière à pouvoir pivoter sur au moins une première articulation tournante (8) fixe par rapport au bâti, en ce que le système de racle (4) est connecté, sur la première articulation tournante (8), à une bielle (9) et en ce que la bielle (9) présente au moins une deuxième articulation tournante (10), qui est accouplée à un système d'amortissement (22) fixe par rapport au bâti.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    la bielle (9) présente une troisième articulation tournante (11) qui est accouplée à un dispositif d'actionnement (21) fixe par rapport au bâti, pour la pose et le retrait du système de racle (4).
  3. Dispositif selon la revendication 1,
    caractérisé en ce que
    le fonctionnement du dispositif d'actionnement (21) est intégré au système d'amortissement (22) et est articulé au moyen de l'articulation tournante (10) à la bielle (9).
  4. Dispositif selon la revendication 1,
    caractérisé en ce qu'une fixation (23) est connectée au système de racle (4), est articulée à la première articulation tournante (8) et est connectée à la bielle (9).
  5. Dispositif selon la revendication 1,
    caractérisé en ce que
    la première articulation tournante (8) est disposée dans un trou oblong avec des éléments d'ajustage (24, 25) de la bielle (9) et de la fixation (23).
EP00113630A 1999-07-30 2000-06-28 Dispositif de dosage d'un produit liquide dans une machine à imprimer Expired - Lifetime EP1072410B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29913379U DE29913379U1 (de) 1999-07-30 1999-07-30 Einrichtung zum Dosieren eines flüssigen Mediums in einer Druckmaschine
DE29913379U 1999-07-30

Publications (2)

Publication Number Publication Date
EP1072410A1 EP1072410A1 (fr) 2001-01-31
EP1072410B1 true EP1072410B1 (fr) 2003-09-17

Family

ID=8076901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00113630A Expired - Lifetime EP1072410B1 (fr) 1999-07-30 2000-06-28 Dispositif de dosage d'un produit liquide dans une machine à imprimer

Country Status (3)

Country Link
EP (1) EP1072410B1 (fr)
AT (1) ATE249930T1 (fr)
DE (2) DE29913379U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10057643A1 (de) * 2000-11-16 2002-05-23 Koenig & Bauer Ag Verfahren und Einrichtung zum Erzeugen plastisch wirkender Drucke auf Offsetdruckmaschinen
DE10057641A1 (de) * 2000-11-16 2002-05-23 Koenig & Bauer Ag Verfahren und Einrichtung zum Erzeugen von Spot-Lackierungen auf Bedruckstoffen in großformatigen Druckmaschinen
DE10057644A1 (de) * 2000-11-16 2002-05-23 Koenig & Bauer Ag Verfahren und Einrichtung zum Bedrucken eines Bedruckstoffs für die Herstellung von Verpackungszuschnitten
DE10057642A1 (de) * 2000-11-16 2002-05-23 Koenig & Bauer Ag Verfahren und Einrichtung zum Erzeugen unterschiedlicher Glanzgrade auf Bedruckstoffen in Druckmaschinen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324631C2 (de) * 1993-07-22 1996-09-19 Roland Man Druckmasch Einrichtung zum Aufbringen flüssiger Medien auf einen Bedruckstoff in Offsetdruckmaschinen
FR2755057B1 (fr) * 1996-10-25 1999-01-15 Heidelberg Harris Sa Dispositif de mise en appui de rouleaux contre des surfaces rotatives

Also Published As

Publication number Publication date
DE29913379U1 (de) 1999-09-23
EP1072410A1 (fr) 2001-01-31
DE50003707D1 (de) 2003-10-23
ATE249930T1 (de) 2003-10-15

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