EP0359958B1 - Dispositif d'encrage à chambre fermée - Google Patents

Dispositif d'encrage à chambre fermée Download PDF

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Publication number
EP0359958B1
EP0359958B1 EP89114328A EP89114328A EP0359958B1 EP 0359958 B1 EP0359958 B1 EP 0359958B1 EP 89114328 A EP89114328 A EP 89114328A EP 89114328 A EP89114328 A EP 89114328A EP 0359958 B1 EP0359958 B1 EP 0359958B1
Authority
EP
European Patent Office
Prior art keywords
ink
chamber
doctor blade
base body
carrier
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
EP89114328A
Other languages
German (de)
English (en)
Other versions
EP0359958A3 (en
EP0359958A2 (fr
Inventor
Georg Bock
Franz X. Gollinger
Thomas John
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 EP0359958A2 publication Critical patent/EP0359958A2/fr
Publication of EP0359958A3 publication Critical patent/EP0359958A3/de
Application granted granted Critical
Publication of EP0359958B1 publication Critical patent/EP0359958B1/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
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers

Definitions

  • the invention relates to a chambered doctor blade for use in an inking unit of a printing press with an ink chamber which is limited by means of a base body and at least one ink knife which can be fixed in the base body and can be adjusted to an anilox roller, the two ends of which are closed by attached side walls, with an ink supply nozzle which opens into an ink access opening and with locking means for releasable connection to a support for connection to the printing press.
  • Chamber doctor blades are known from the book “Technik des Flexobuchs”, published by Coating Verlag Thomas & Co., which are constructed in such a way that the ink chamber is partially limited by two doctor blades, each of which is clamped to a support element forming the rear wall by means of clamping strips. If the doctor blade wears out, the clamp connection is usually opened by loosening screws and the doctor blade replaced.
  • Such a chamber doctor blade is accordingly made from a number of parts which are detachably connected to one another. The insertion of a new doctor blade requires care, since its front edge must run parallel to the axis of the anilox roller.
  • a chamber doctor blade is known from EP-A 0 071 180, which has an ink chamber constructed from a profile bar and doctor blade knife attached to it. Cover plates limit the ink chamber on the end faces.
  • the chambered doctor blade can be fixedly attached to a carrier with holding means for connection to a shaft and is provided with an ink supply nozzle. With such a design, a sensitive adjustment of the doctor blade is to be achieved. If the doctor blades wear out, they are replaced and must be retrofitted in the printing press.
  • the object of the invention is to create a chambered doctor blade which can be produced inexpensively and which avoids the adjustment work for the doctor blade knife when it is installed in the printing press.
  • the chambered doctor blade according to FIGS. 1 and 2 has an ink chamber, generally designated 1, and a carrier, generally designated 2.
  • the ink chamber 1 is constructed from a base body 3 and two side walls 4 firmly connected to it.
  • the side walls can be of the same design and connected to the base body by means of screws, plug-in connections, gluing.
  • the base body 3 is made from a profile bar, which can be manufactured as a bent part, cast part, pressed part, rolled part or pull-through part.
  • the profile rod is expediently made in greater length. The lengths required for the base body are then cut off from this rod.
  • doctor blades 7, 8 are firmly inserted in grooves 5, 6 in the base body 3, which abut an anilox roller 9 in the operating state of the chamber doctor blade.
  • the doctor blades 6 can be pressed in, poured in, rolled in or glued in.
  • the distance of the front edge of the doctor blades 7, 8 from a rear contact surface 10 of the base body 3 and the parallelism of the doctor blade leading edges to this contact surface can already be ensured during the manufacture of the chamber doctor blade. Subsequent readjustments to the doctor blades are no longer necessary. Rather, when the doctor blades 7, 8 have been processed, the entire ink chamber 1 is replaced by a new ink chamber. There is no risk of improper changing of the color knife in the printing houses.
  • the base body 3, the side walls 4 and the doctor blades 7, 8 limit the ink chamber 1 except for an ink outlet opening 11 between the doctor blades 7, 8 and the side walls 4 and an ink inlet opening 12 which passes through the rear wall of the base body 3.
  • the ink access opening 12 is designed as a slot extending parallel to the ink outlet opening 11.
  • the width a of the ink access opening 12 is expediently smaller in the middle than the width b on the edge. This favors the color distribution.
  • the carrier 2 has a base plate 13 on which holding means in the form of two clamping strips 14 with bolts 15 for hanging the chamber doctor blade are attached to a holder of the printing press.
  • a paint supply connection 16 is also firmly connected, which expediently has the shape of a funnel-shaped flat nozzle which widens towards the base plate 13.
  • the paint supply nozzle opens on the one hand into an opening in the base plate 13 designed according to the paint access opening 12 and on the other hand into a pipe section 17 to which a coupling part 18 is fastened.
  • a mating coupling part 19 of a paint supply hose 20 can be connected to the coupling part 18.
  • pins 22 are rotatably mounted in projections 21 of the base plate. 4 and 5 show, the pins 22 have circular locking cams 23 arranged eccentrically to their axis of rotation. Each locking cam 23 interacts with a bolt 24 which is firmly connected to the ink chamber 1 and can be inserted into a corresponding bore in the neck 21. Each locking cam 23 has a recess 25. As can be seen in particular in FIG.
  • each locking cam 23 can be turned into a by rotating the pin 22 by means of a handle 26 Recess 25 of a bolt 24 are inserted and thereby locks the ink chamber 1 with respect to the carrier 2, so that the base plate 13 bears firmly against the contact surface 10 of the ink chamber 1.
  • the locking means 22 to 26 shown other known locking means can also be used, with which the ink chamber 1 can be easily detachably but firmly connected to the carrier 2.
  • FIG. 3 shows, there is also the possibility of using a base body 30, in one leg 31 of which a doctor blade 32 is firmly inserted, while the other leg 33 either forms a doctor blade or ends at a short distance in front of the anilox roller 9.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (4)

  1. Racleur à chambre à installer dans une unité d'encrage d'une machine d'impression, comportant une chambre d'encrage pouvant s'appliquer contre un tambour délimitée par une structure de base et au moins un couteau de raclage immobilisable dans la structure de base, chambre dont les côtés sont fermés par l'intermédiaire de parois latérales rapportées, ledit racleur comportant une buse d'amenée d'encre débouchant sur une ouverture d'admission d'encre et comportant des moyens de verrouillage d'un raccordement amovible avec un support relié à la machine d'impression, caractérisé en ce que la chambre d'encrage (1) est construite comme une unité fermée de tout côté, exception faite des ouvertures d'admission et de sortie d'encre (11, 12) et en ce que le ou les couteau(x) de raclage (7, 8, 32) sont immobilisés sans être amovibles dans des encoches de la structure de base (3).
  2. Racleur à chambre selon la revendication 1, caractérisé en ce que l'ouverture d'admission d'encre (12) est construite sous forme d'une fente s'étendant parallèlement à l'ouverture de sortie d'encre (11) et en ce que la buse d'amenée d'encre est construite sous forme d'entonnoir évasé.
  3. Racleur à chambre selon la revendication 2, caractérisé en ce que l'ouverture d'admission d'encre (12) en forme de fente est moins large en son milieu qu'en ses bords.
  4. Racleur à chambre selon la revendication 1, caractérisé en ce que les moyens de verrouillage (22 à 26) comportent des tourillons (22) montés pivotant sur le support (2) avec des cames exentriques de verrouillage (23), et en ce que des goujons (24) présentant des évidements (25) sont disposés sur la chambre d'encrage (1), (évidements) dans lesquels les cames de verrouillage (23) peuvent être introduites par pivotement des tourillons (22), en vue du verrouillage du support (2) avec la chambre d'encrage (1).
EP89114328A 1988-09-22 1989-08-03 Dispositif d'encrage à chambre fermée Expired - Lifetime EP0359958B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3832216A DE3832216C1 (fr) 1988-09-22 1988-09-22
DE3832216 1988-09-22

Publications (3)

Publication Number Publication Date
EP0359958A2 EP0359958A2 (fr) 1990-03-28
EP0359958A3 EP0359958A3 (en) 1990-09-19
EP0359958B1 true EP0359958B1 (fr) 1993-10-20

Family

ID=6363496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89114328A Expired - Lifetime EP0359958B1 (fr) 1988-09-22 1989-08-03 Dispositif d'encrage à chambre fermée

Country Status (4)

Country Link
US (1) US4964336A (fr)
EP (1) EP0359958B1 (fr)
JP (1) JPH02113943A (fr)
DE (2) DE3832216C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757953A (zh) * 2019-11-11 2020-02-07 徐州市华阳油墨化学有限公司 一种方便收集油墨的油墨刮刀

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027703A (en) * 1990-05-29 1991-07-02 Hancy Raymond E Profile squeegee blade for screen process printing
US5125341A (en) * 1991-05-15 1992-06-30 Paper Converting Machine Company Ink unit for printing press and method
SE468467B (sv) * 1991-05-17 1993-01-25 Tetra Alfa Holdings Anordning foer faergmatning
DE4137337A1 (de) * 1991-11-13 1993-05-19 Sengewald Karl H Gmbh Hochdruckverfahren und auftragsvorrichtung zu seiner durchfuehrung
DE4213670C2 (de) * 1992-04-25 1995-06-08 Koenig & Bauer Ag Vorrichtung zur Aufnahme eines Rakelbalkens einer Rotationsdruckmaschine
DE4213659C2 (de) * 1992-04-25 1995-06-08 Koenig & Bauer Ag Kurzfarbwerk für eine Rotationsdruckmaschine
DE4213669C2 (de) * 1992-04-25 1995-06-08 Koenig & Bauer Ag Vorrichtung zur Anstellung einer Kammerrakel
DE4213660C2 (de) * 1992-04-25 1995-06-08 Koenig & Bauer Ag Kurzfarbwerk für eine Rollenrotationsdruckmaschine
US5410961A (en) 1992-12-30 1995-05-02 Fit Group, Inc. Fountain assembly
DE4320833C1 (de) * 1993-06-23 1994-09-22 Roland Man Druckmasch Verfahren und Vorrichtung zum Austausch eines Rakelblattes einer Kammerrakel für Rotationsdruckmaschinen
US5664496A (en) * 1994-12-15 1997-09-09 Markem Corporation Doctoring ink cup
US6119595A (en) * 1997-10-06 2000-09-19 R. J. Reynolds Tobacco Company Gravure printing press with encapsulated ink applicator and method
GB9817194D0 (en) * 1998-08-07 1998-10-07 Hayneswood Engineering Sales L Coating apparatus
DE19848773C2 (de) * 1998-10-22 2002-11-28 Windmoeller & Hoelscher Vorrichtung zum Anstellen und Entfernen einer Farbkammerrakel an die Rasterwalze einer Druckmaschine
CH693305A5 (fr) * 1999-03-05 2003-05-30 Bobst Sa Dispositif d'encrage amovible pour une machine d'impression flexographique.
ATE286809T1 (de) * 1999-10-05 2005-01-15 Gallus Ferd Rueesch Ag Farbkammerrakel
WO2002016137A1 (fr) * 2000-08-24 2002-02-28 Gallus Ferd. Rüesch AG Racle de compartiment
DE10316467A1 (de) * 2003-04-09 2004-11-04 Windmöller & Hölscher Kg Träger für eine Rakelkammer in einer Rotationsdruckmaschine
JP5073924B2 (ja) 2005-04-25 2012-11-14 パナソニック株式会社 電極合剤ペースト塗布方法及び塗布装置
US20080299295A1 (en) * 2006-09-21 2008-12-04 Toppan Printing Co., Ltd. Relief printing plate and print
EP2055481B1 (fr) * 2007-10-18 2017-08-16 Bobst Italia S.P.A. Ensemble racloir et un procédé pour permettre l'utilisation d'encres différentes
US7658876B2 (en) * 2008-02-08 2010-02-09 Lexmark International, Inc. Method to fabricate a seamless tube
DE102020109844A1 (de) 2020-04-08 2021-10-14 Koenig & Bauer Ag Bogenbearbeitungsmaschine und Verfahren zum Anstellen eines Kammerrakelsystems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191027968A (en) * 1910-12-01 1911-05-18 Philip Middleton Justice Improvements in or relating to Printing Presses.
US2377482A (en) * 1942-10-14 1945-06-05 Goss Printing Press Co Ltd Ink applying means for printing presses
US2377110A (en) * 1943-09-15 1945-05-29 Rice Barton Corp Printing roll inking device
FR1432113A (fr) * 1965-04-21 1966-03-18 Maschf Augsburg Nuernberg Ag Mécanisme d'encrage pour machines rotatives d'impression en creux
GB1203848A (en) * 1967-09-18 1970-09-03 Albert Schnellpressen Improvements in or relating to ink duct assemblies for printing presses
US4085672A (en) * 1975-09-11 1978-04-25 John Grosart Inking device
DE3135711A1 (de) * 1981-07-29 1983-02-10 Windmöller & Hölscher, 4540 Lengerich Spuelfarbwerk fuer eine rotationsdruckmaschine
US4590855A (en) * 1984-06-18 1986-05-27 Printco Industries, Ltd. Reverse angle doctor blade assembly with stationary end seal
DE3704433A1 (de) * 1987-02-12 1988-08-25 Frankenthal Ag Albert Kurzfarbwerk
AU609132B2 (en) * 1988-05-18 1991-04-26 Ildvaco Engineering A/S Reverse angle doctor blade assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110757953A (zh) * 2019-11-11 2020-02-07 徐州市华阳油墨化学有限公司 一种方便收集油墨的油墨刮刀

Also Published As

Publication number Publication date
EP0359958A3 (en) 1990-09-19
DE3832216C1 (fr) 1990-05-31
EP0359958A2 (fr) 1990-03-28
US4964336A (en) 1990-10-23
JPH02113943A (ja) 1990-04-26
DE58905955D1 (de) 1993-11-25

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