EP0659557A1 - Dispositif de dosage d'un moyen liquide dans une machine d'impression offset en particulier un dispositif de laquage - Google Patents

Dispositif de dosage d'un moyen liquide dans une machine d'impression offset en particulier un dispositif de laquage Download PDF

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Publication number
EP0659557A1
EP0659557A1 EP94119151A EP94119151A EP0659557A1 EP 0659557 A1 EP0659557 A1 EP 0659557A1 EP 94119151 A EP94119151 A EP 94119151A EP 94119151 A EP94119151 A EP 94119151A EP 0659557 A1 EP0659557 A1 EP 0659557A1
Authority
EP
European Patent Office
Prior art keywords
roller
metering
forme cylinder
media
assigned
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.)
Granted
Application number
EP94119151A
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German (de)
English (en)
Other versions
EP0659557B1 (fr
Inventor
Manfred Herold
Georg Hartung
Hans-Willy Schütz
Ullrich Dr. Jung
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6505938&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0659557(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0659557A1 publication Critical patent/EP0659557A1/fr
Application granted granted Critical
Publication of EP0659557B1 publication Critical patent/EP0659557B1/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
    • 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

Definitions

  • the invention relates to a device for dosing liquid media of different viscosities in offset printing machines. It is preferably used for dosing liquid media for application to a substrate in coating units.
  • the device is suitable for processing low-viscosity ( ⁇ 50 s expiry time 4mm cup) media, e.g. Dispersion varnish on an aqueous basis or for processing higher viscosity (> 50 s run-out time 4mm cup) media, e.g. Bronze / effect printing ink with a defined pigment content, e.g. Gold lacquer.
  • the medium to be applied here lacquer
  • the medium to be applied is metered using a storage container, a rotating immersion roller, a metering roller, a coating cylinder and a pressure cylinder.
  • a doctor blade can be assigned to the dip roller.
  • a chambered doctor blade is known from EP 0 071 180 A1, which is essentially formed by a housing with side walls and doctor blades attached to the housing, also called doctor blades.
  • the doctor blades are supported on the application roller and the liquid is transferred to the screened application roller via the chamber formed in this way.
  • the chambered doctor blade is pivotally mounted in a holder arranged above the application roller and can be adjusted to the application roller by a working cylinder acting on the holder.
  • an application unit for printing presses which is suitable for high and low viscosity media.
  • the metering is carried out essentially by means of a profiled scoop roller, doctor blade, transfer roller and smoothing roller or applicator roller and a forme cylinder with a doctor blade blade.
  • the object of the invention is therefore to develop a solution which eliminates the disadvantages mentioned. This is solved by the characterizing part of claim 1. Further developments result from the subclaims.
  • the solution according to the invention consists of a preferably interchangeable metering system which is used in accordance with the respective application. It allows the quick change of immersion roller / metering roller (1st assembly) and chamber doctor blade with applicator roller (2nd assembly).
  • the 1st and 2nd assemblies can also be installed permanently assigned to the forme cylinder.
  • the roller system When processing low-viscosity media ( ⁇ 50 s runtime 4mm cup), the roller system, consisting of an immersion roller and a metering roller, each with a different surface hardness, is used. Both rollers can alternately have an elastomer cover or be designed as a steel roller. The harder roller in each case has a smooth metal surface or has a rastered surface.
  • a chamber doctor blade and a screened application roller are used. The correct metering takes place through the negatively positioned doctor blade of the chamber doctor blade and the grid structure of the applicator roller. The metered quantity can be changed, for example, by exchanging the screened application roller and using a new roller with a modified screen structure.
  • the advantage of this solution is that the optional replacement of the assemblies ensures an exact layer thickness for media with a lower and higher viscosity range.
  • Another advantage is that when processing low-viscosity media, the metering roller and the immersion roller can be designed to be interchangeable. The different surface hardness allows a variable dosing range (with low viscosity) even without using the chamber doctor blade. In the case of the already described embodiment of two modules which are permanently assigned to the forme cylinder, each can be turned on and off with respect to the forme cylinder.
  • the device can be the first printing unit of an offset printing machine for print finishing, e.g. Painting or top coat application, upstream, arranged between the printing units or arranged downstream of the printing units.
  • the solution according to the invention is suitable for spot painting (recessed painting) and for full-area painting.
  • a further finishing device can be arranged upstream or downstream of the device according to the invention, e.g. another painting unit for full-surface painting or a laminating or embossing device.
  • the device according to the invention is arranged downstream of the last printing unit in an offset printing press and is used for inline coating of printing materials.
  • the device consists of a sheet-guiding cylinder 1, which is associated with a forme cylinder 2 with attached transfer form.
  • This forme cylinder 2 is in contact with a metering roller 3 with which the paint to be processed is metered.
  • the metering roller 3 is in contact with an immersion roller 4.
  • the immersion roller 4 runs in a reservoir 5 filled with lacquer and the metering roller 3 is coupled to a drive. Both rollers 3, 4 have a different surface hardness.
  • a smaller layer thickness is transferred to the forme cylinder 2 according to the principle of ink splitting in the case of a harder metering roller 3, and a larger layer thickness is transferred to the forme cylinder 2 when a softer metering roller 3 is used, with a defined auxiliary force.
  • metering roller 3 and immersion roller 4 are replaced by an anilox roller 3 ', for example a ceramic roller, and a chamber doctor blade 8.
  • the chambered doctor blade 8 has a housing which is rotatably arranged on the pivot bearing 9 and is supported with the doctor blade blades on the circumference of the anilox roller 3 '.
  • One doctor blade seals the chamber to the anilox roller 3 'as a positive doctor blade and the other doctor blade doses as a negative doctor blade.
  • the housing of the chambered doctor blade 9 can be rotated on both sides in a pivot bearing 9 arranged on the side frames added and can be provided to the anilox roller 3 '.
  • the chambered doctor blade 8 has a device for feeding and discharging the medium to be processed, which will not be described further here.
  • the device works as follows: If a low-viscosity lacquer is to be processed, the immersion roller 4 and the metering roller 3 are assigned to the forme cylinder 2.
  • the metering roller 3 with a greater surface hardness can have a smooth or rastered surface, while the dipping roller 4 is provided with a softer surface, an elastomer cover.
  • the low-viscosity paint to be processed is conveyed by the immersion roller 4 via the storage container 5, so that a paint film forms on the metering roller 3.
  • the metering roller 3 can be added to the immersion roller 4 or to the forme cylinder 2.
  • the metering takes place according to the scoop roller principle and the metering roller 3 conveys the lacquer to the forme cylinder 2, which transfers the lacquer to the printing material in connection with the impression cylinder 1.
  • the immersion roller 4 is removed and the immersion roller 4 and the metering roller 3 are replaced by a chamber doctor blade 8 and an anilox roller 3 '.
  • the doctor blade 8 is received in a pivot bearing 9.
  • the paint is now metered through the negatively positioned working doctor blade and the grid structure of the application roller 3 '.
  • the meterable amount of paint can be changed by replacing the anilox roller 3 'by using an anilox roller 3' with a modified raster structure.
  • the forme cylinder 2 is associated with a metering roller 3 with immersion roller 4 and storage container 5 as the 1st assembly, and preferably an anilox roller 3 'with a doctor blade 8 as the 2nd assembly with the first and / or second quadrant of the forme cylinder 2 assigned.
  • the 1st assembly (metering roller 3, immersion roller 4) with the forme cylinder 2 in the case of low-viscosity media Brought in contact.
  • the 1st assembly is parked by the forme cylinder 2, but remains in its bearings (not shown). The second assembly is brought into contact with the forme cylinder 2 by turning on the anilox roller 3 '.
  • the chambered doctor blade 8 is received, for example, in a swivel bearing 9 and lies with the doctor blade on the outer surface of the forme cylinder 2.
  • the chambered doctor blade 8 can be mounted in a cross-member (not shown) fixed to the frame and can be turned on and off by this to the anilox roller 3 '.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Ink Jet (AREA)
  • Printing Methods (AREA)
EP94119151A 1993-12-23 1994-12-05 Dispositif de dosage d'un moyen liquide dans une machine d'impression offset en particulier un dispositif de laquage Expired - Lifetime EP0659557B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4344084A DE4344084C1 (de) 1993-12-23 1993-12-23 Vorrichtung zum Dosieren flüssiger Medien unterschiedlicher Viskosität in Offsetdruckmaschinen, vorzugsweise in Lackiereinheiten
DE4344084 1993-12-23

Publications (2)

Publication Number Publication Date
EP0659557A1 true EP0659557A1 (fr) 1995-06-28
EP0659557B1 EP0659557B1 (fr) 1997-03-19

Family

ID=6505938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94119151A Expired - Lifetime EP0659557B1 (fr) 1993-12-23 1994-12-05 Dispositif de dosage d'un moyen liquide dans une machine d'impression offset en particulier un dispositif de laquage

Country Status (5)

Country Link
US (1) US5588365A (fr)
EP (1) EP0659557B1 (fr)
JP (1) JP3056388B2 (fr)
AT (1) ATE150372T1 (fr)
DE (2) DE4344084C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036748A1 (fr) * 1996-04-02 1997-10-09 Kba-Planeta Ag Systeme d'encrage pour machines d'impression
WO1999001282A1 (fr) * 1997-07-03 1999-01-14 Tresu A/S Procede de fonctionnement d'une unite d'impression et unite d'impression pour machine offset

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753136C2 (de) * 1997-11-29 2002-01-31 Koenig & Bauer Ag Kammerrakel-Lackauftragwerk
DE19913764A1 (de) * 1999-03-26 2000-10-05 Koenig & Bauer Ag Einrichtung zum Dosieren flüssiger Medien
DE19913763A1 (de) * 1999-03-26 2000-10-05 Koenig & Bauer Ag Kombinationslackierwerk
WO2001008886A2 (fr) * 1999-07-28 2001-02-08 Koenig & Bauer Ag Unite d'application de vernis
DE102006002170A1 (de) * 2006-01-17 2007-07-26 Heidelberger Druckmaschinen Ag Druckmaschine
DE102008041909A1 (de) 2008-09-09 2010-03-11 Manroland Ag Druckfluid-Auftrageinrichtung für eine Druckmaschine
CN104553299A (zh) * 2014-12-26 2015-04-29 四川金时印务有限公司 一种通过挖空衬垫纸进行胶印机uv上光的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345183B1 (de) * 1973-09-07 1974-08-01 Roland Offsetmaschf Einrichtung zum Lackieren od.dgl. an einer Druckmaschine
DE3906648A1 (de) * 1988-03-25 1989-10-05 Polygraph Leipzig Auftragwerk fuer druckmaschinen

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240762A (en) * 1938-01-12 1941-05-06 Maschf Augsburg Nuernberg Ag Inking apparatus for aniline color printing machines
US2374096A (en) * 1941-11-28 1945-04-17 Us Envelope Co Inking device for aniline color printing
JPS5244084Y2 (fr) * 1976-06-10 1977-10-06
US4308796A (en) * 1979-07-13 1982-01-05 S-W-H, Ltd. Offset lithographic press with ink metering system for blanket cylinder
JPS57149138U (fr) * 1981-03-13 1982-09-18
DE3135711A1 (de) * 1981-07-29 1983-02-10 Windmöller & Hölscher, 4540 Lengerich Spuelfarbwerk fuer eine rotationsdruckmaschine
DE3324096C2 (de) * 1983-07-05 1986-10-30 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Motorangetriebenes Lackierwerk an Druckmaschinen
DE3427838C2 (de) * 1984-07-27 1988-09-29 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Rauheitssonde
DE3427898C1 (de) * 1984-07-28 1985-11-14 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Auftragen von Fluessigkeiten,insbesondere Lackiereinheit fuer eine Druckmaschine
JPS62256656A (ja) * 1986-04-30 1987-11-09 Sumitomo Heavy Ind Ltd 印刷物ニス塗布装置
DD270039A1 (de) * 1988-03-11 1989-07-19 Polygraph Leipzig Mehrfachantrieb an druckmaschinen
DD278551A1 (de) * 1988-12-27 1990-05-09 Polygraph Leipzig Verfahren und einrichtung zum verarbeiten von spezialfarben in bogenoffsetdruckmaschinen
US5003876A (en) * 1989-02-10 1991-04-02 The Ward Machinery Company Printing apparatus with dual inking system
US5081928A (en) * 1990-07-23 1992-01-21 Ward Holding Company, Inc. Multiple ink roll system for flexographic printing stations
US5154602A (en) * 1990-07-23 1992-10-13 Ward Holding Company, Inc. Multiple ink roll system for flexographic printing stations
US5176077A (en) * 1991-08-30 1993-01-05 Howard W. DeMoore Coating apparatus for sheet-fed, offset rotary printing presses
DE9305555U1 (de) * 1993-04-15 1993-08-05 Knopf, Jürgen, 37619 Hehlen Profillineal
DE4324631C2 (de) * 1993-07-22 1996-09-19 Roland Man Druckmasch Einrichtung zum Aufbringen flüssiger Medien auf einen Bedruckstoff in Offsetdruckmaschinen
DE4334803C1 (de) * 1993-10-13 1994-11-03 Roland Man Druckmasch Einrichtung zum Dosieren flüssiger Medien in Offsetdruckmaschinen, vorzugsweise für Lackiereinheiten

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345183B1 (de) * 1973-09-07 1974-08-01 Roland Offsetmaschf Einrichtung zum Lackieren od.dgl. an einer Druckmaschine
DE3906648A1 (de) * 1988-03-25 1989-10-05 Polygraph Leipzig Auftragwerk fuer druckmaschinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036748A1 (fr) * 1996-04-02 1997-10-09 Kba-Planeta Ag Systeme d'encrage pour machines d'impression
WO1999001282A1 (fr) * 1997-07-03 1999-01-14 Tresu A/S Procede de fonctionnement d'une unite d'impression et unite d'impression pour machine offset
US7055433B1 (en) 1997-07-03 2006-06-06 Tresu A/S Method of operation of a printing unit and printing unit for offset machine

Also Published As

Publication number Publication date
ATE150372T1 (de) 1997-04-15
DE59402141D1 (de) 1997-04-24
DE4344084C1 (de) 1995-03-02
JPH07205408A (ja) 1995-08-08
US5588365A (en) 1996-12-31
JP3056388B2 (ja) 2000-06-26
EP0659557B1 (fr) 1997-03-19

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