EP0389923A2 - Ink rail device - Google Patents

Ink rail device Download PDF

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Publication number
EP0389923A2
EP0389923A2 EP90105184A EP90105184A EP0389923A2 EP 0389923 A2 EP0389923 A2 EP 0389923A2 EP 90105184 A EP90105184 A EP 90105184A EP 90105184 A EP90105184 A EP 90105184A EP 0389923 A2 EP0389923 A2 EP 0389923A2
Authority
EP
European Patent Office
Prior art keywords
ink chamber
ink
chamber
carrier
doctor blade
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
EP90105184A
Other languages
German (de)
French (fr)
Other versions
EP0389923B1 (en
EP0389923A3 (en
Inventor
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 EP0389923A2 publication Critical patent/EP0389923A2/en
Publication of EP0389923A3 publication Critical patent/EP0389923A3/en
Application granted granted Critical
Publication of EP0389923B1 publication Critical patent/EP0389923B1/en
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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/55—Member ends joined by inserted section

Definitions

  • the invention relates to a chamber doctor blade for use in an inking unit of a printing press, with an ink chamber which can be fastened to a support and can be connected to an ink supply, and two doctor elements which delimit the ink chamber at the top and bottom and can be adjusted to an anilox roller, and two side walls which delimit the ink chamber.
  • the invention has for its object to provide a chamber doctor blade which is simple to produce and exchangeable.
  • the chambered doctor blade according to the invention can be replaced as a whole when worn. As a result of very simple fasteners, handling is easy when changing. Another advantage is that there are no problems with the lateral sealing between the front area of the doctor elements and the side wall.
  • the chambered doctor blade according to FIGS. 1 and 2 has an ink chamber, generally designated 1, which comprises a rear wall 2, two side walls 3 and two doctor elements 4, 5. These parts delimit an interior space 6 which is open towards an anilox roller 7.
  • the ink chamber 1 is produced as a one-piece molded part. This can be done, for example, by casting, milling or non-cutting deformation.
  • the ink chamber 1 is suitably made of metal. However, it is also possible to manufacture them from a hard, wear-resistant plastic.
  • the chambered doctor blade also has a carrier 8, which is fastened to the printing press and can be adjusted with respect to the anilox roller 7, with one or more ink supply lines 9 and one or more ink return lines 10.
  • a hollow plug pin 11 is firmly inserted into the carrier 8, the front end of which projects beyond the carrier 8.
  • a hollow plug pin 12 is inserted into the extension of the color return line 10, which also protrudes beyond the carrier 8.
  • the carrier 8 is fastened in a manner known per se, not shown, between the side walls of the printing press in such a way that the two doctor elements 4, 5 can be set against the anilox roller 7 or can be set off from it.
  • the ink chamber 1 has 2 bores 13 in its rear wall, the position and size of which is dimensioned such that the ink chamber 1 can be pushed onto the pins 11, 12 by means of the bores 13 and is then held in a frictional manner on the carrier 8.
  • plug pins 11 which are connected to paint feed lines and are arranged in the central region of the paint chamber, while the plug pins 12 are advantageously arranged in the vicinity of the side walls 3 for the color return. If no forced passage of the color through the interior 6 is provided, the pins 12 can be omitted or can be designed as full pins. There is also the option of using pins instead of round corners.

Landscapes

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

Abstract

The ink rail device for use in an inking unit of a printing machine has an ink chamber, which can be attached to a support and connected to an ink supply, two rail elements, which bound the ink chamber at the top and the bottom and can be applied to a screen roller, and two side walls bounding the ink chamber laterally. In order to allow a simple construction and easy replaceability, the ink chamber, including the side walls and the rail elements, is produced as an integral moulding and can be connected to the support by means of a plug connection. <IMAGE>

Description

Die Erfindung betrifft ein Kammerrakel zum Einsatz in einem Farbwerk einer Druckmaschine, mit einer an einem Träger befestigbaren und an eine Farbversorgung anschließbaren Farbkammer sowie zwei die Farbkammer oben und unten begrenzenden, an eine Rasterwalze anstellbaren Rakelelementen und zwei die Farbkammer seitlich begrenzenden Seitenwänden.The invention relates to a chamber doctor blade for use in an inking unit of a printing press, with an ink chamber which can be fastened to a support and can be connected to an ink supply, and two doctor elements which delimit the ink chamber at the top and bottom and can be adjusted to an anilox roller, and two side walls which delimit the ink chamber.

Der Erfindung liegt die Aufgabe zugrunde, ein einfach herstellbares, leicht auswechselbares Kammerrakel zu schaffen.The invention has for its object to provide a chamber doctor blade which is simple to produce and exchangeable.

Diese Aufgabe wird durch Anwendung der Merkmale des Kennzeichens des Anspruchs 1 gelöst. Das erfindungsgemäße Kammerrakel läßt sich als Ganzes bei Verschleiß auswechseln. Infolge sehr einfacher Befestigungsmittel ist die Handhabung bei einem Auswechseln unkompliziert. Ein weiterer Vorteil ist darin zu sehen, daß keine Probleme mit der seitlichen Abdichtung zwischen dem vorderen Bereich der Rakelelemente und der Seitenwand auftreten.This object is achieved by applying the features of the characterizing part of claim 1. The chambered doctor blade according to the invention can be replaced as a whole when worn. As a result of very simple fasteners, handling is easy when changing. Another advantage is that there are no problems with the lateral sealing between the front area of the doctor elements and the side wall.

Ein Ausführungsbeispiel der Erfindung ist anhand der Zeichnung beschrieben. Auf dieser zeigt

  • Fig. 1 einen Schnitt durch ein erfindungsgemäßes Kammerrakel mit Teilen des Halters und
  • Fig. 2 eine Ansicht eines Teiles des Kammerrakels nach Fig. 1 in Richtung des Pfeiles II.
An embodiment of the invention is described with reference to the drawing. On this shows
  • Fig. 1 shows a section through an inventive doctor blade with parts of the holder and
  • Fig. 2 is a view of a part of the chambered doctor blade according to Fig. 1 in the direction of arrow II.

Das Kammerrakel gemäß Fig. 1 und 2 weist eine insgesamt mit 1 bezeichnete Farbkammer auf, die eine Rückwand 2, zwei Seitenwände 3 und zwei Rakelelemente 4, 5 umfaßt. Diese Teile begrenzen einen Innenraum 6, der zu einer Rasterwalze 7 hin offen ist.The chambered doctor blade according to FIGS. 1 and 2 has an ink chamber, generally designated 1, which comprises a rear wall 2, two side walls 3 and two doctor elements 4, 5. These parts delimit an interior space 6 which is open towards an anilox roller 7.

Die Farbkammer 1 ist als einstückiges Formteil hergestellt. Dies kann beispielsweise durch Gießen- Fräsen oder spanlose Verformung geschehen. Die Farbkammer 1 ist zweckmäßig aus Metall hergestellt. Es besteht jedoch auch die Möglichkeit, sie aus einem harten verschleißfesten Kunststoff zu fertigen.The ink chamber 1 is produced as a one-piece molded part. This can be done, for example, by casting, milling or non-cutting deformation. The ink chamber 1 is suitably made of metal. However, it is also possible to manufacture them from a hard, wear-resistant plastic.

Das Kammerrakel weist weiterhin einen an der Druckmaschine befestigten, gegenüber der Rasterwalze 7 einstellbaren Träger 8 mit einer oder mehreren Farbzuführleitungen 9 und einer oder mehreren Farbrückführleitungen 10 auf. In Verlängerung der Farbzuführleitung 9 ist in den Träger 8 ein hohler Steckstift 11 fest eingesetzt, dessen vorderes Ende über den Träger 8 hinausragt. In gleicher Weise ist in die Verlängerung der Farbrückführleitung 10 ein hohler Steckstift 12 fest eingesetzt, der ebenfalls über den Träger 8 hinausragt. Der Träger 8 ist in an sich bekannter, nicht dargestellter Weise zwischen den Seitenwänden der Druckmaschine so bewegbar befestigt, daß die beiden Rakelelemente 4, 5 an die Rasterwalze 7 angestellt bzw. von dieser abgestellt werden können.The chambered doctor blade also has a carrier 8, which is fastened to the printing press and can be adjusted with respect to the anilox roller 7, with one or more ink supply lines 9 and one or more ink return lines 10. In extension of the ink supply line 9, a hollow plug pin 11 is firmly inserted into the carrier 8, the front end of which projects beyond the carrier 8. In the same way, a hollow plug pin 12 is inserted into the extension of the color return line 10, which also protrudes beyond the carrier 8. The carrier 8 is fastened in a manner known per se, not shown, between the side walls of the printing press in such a way that the two doctor elements 4, 5 can be set against the anilox roller 7 or can be set off from it.

Die Farbkammer 1 weist in ihrer Rückwand 2 Bohrungen 13 auf, deren Lage und Größe so bemessen ist, daß die Farbkammer 1 mittels der Bohrungen 13 auf die Steckstifte 11, 12 aufgeschoben werden kann und dann reibschlüssig am Träger 8 gehalten ist.The ink chamber 1 has 2 bores 13 in its rear wall, the position and size of which is dimensioned such that the ink chamber 1 can be pushed onto the pins 11, 12 by means of the bores 13 and is then held in a frictional manner on the carrier 8.

Es ist zweckmäßig, mindestens zwei an Farbzuleitungen angeschlossene Steckstifte 11 vorzusehen, die im mittleren Bereich der Farbkammer angeordnet sind, während die Steckstifte 12 für die Farbrückführung zweckmäßig in der Nähe der Seitenwände 3 angeordnet sind. Sofern kein Zwangdurchlauf der Farbe durch den Innenraum 6 vorgesehen ist, können die Steckstifte 12 entfallen oder als volle Stifte ausgebildet sein. Weiterhin besteht die Möglichkeit, die Steckstifte anstatt rund eckig auszuführen.It is expedient to provide at least two plug pins 11 which are connected to paint feed lines and are arranged in the central region of the paint chamber, while the plug pins 12 are advantageously arranged in the vicinity of the side walls 3 for the color return. If no forced passage of the color through the interior 6 is provided, the pins 12 can be omitted or can be designed as full pins. There is also the option of using pins instead of round corners.

Claims (4)

1. Kammerrakel zum Einsatz in einem Farbwerk einer Druckmaschine mit einer an einem Träger befestigbaren, an eine Farbversorgung anschließbaren Farbkammer sowie zwei die Farbkammer oben und unten begrenzenden, an eine Rasterwalze anstellbaren Rakelelementen und zwei die Farbkammer seitlich begrenzenden Seitenwänden, dadurch gekennzeichnet, daß die Farbkammer (1) einschließlich der Seitenwände (3) und der Rakelelemente (4, 5) als einstückiges Formteil hergestellt und mittels einer Steckverbindung (11, 12, 13) mit dem Träger (8) verbindbar ist.1. Chamber doctor blade for use in an inking unit of a printing press with an ink chamber which can be fastened to a support and can be connected to an ink supply, as well as two doctor elements which delimit the ink chamber at the top and bottom and can be adjusted to an anilox roller, and two side walls delimiting the ink chamber, characterized in that the ink chamber (1) including the side walls (3) and the doctor elements (4, 5) produced as a one-piece molding and can be connected to the carrier (8) by means of a plug connection (11, 12, 13). 2. Kammerrakel nach Anspruch 1, dadurch gekennzeichnet, daß die Steckverbindung mindestens einen hohlen, den Innenraum der Farbkammer (1) mit einer Farbzuführleitung (9) im Träger (8) verbindenden Steckstift (11) umfaßt.2. Chamber doctor blade according to claim 1, characterized in that the plug connection comprises at least one hollow, the interior of the ink chamber (1) with an ink supply line (9) in the carrier (8) connecting pin (11). 3. Kammerrakel nach Anspruch 2, dadurch gekennzeichnet, daß mindestens ein weiterer hohler Steckstift (12) zur Verbindung der Farbkammer (1) mit einer Farbrückführleitung (10) im Träger (8) verbunden ist.3. doctor blade according to claim 2, characterized in that at least one further hollow pin (12) for connecting the ink chamber (1) with a color return line (10) in the carrier (8) is connected. 4. Kammerrakel nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der oder die Steckstifte (11, 12) fest in den Träger (8) eingesetzt sind.4. Chamber doctor blade according to claim 2 or 3, characterized in that the one or more pins (11, 12) are firmly inserted into the carrier (8).
EP90105184A 1989-03-25 1990-03-20 Ink rail device Expired - Lifetime EP0389923B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3909879A DE3909879C1 (en) 1989-03-25 1989-03-25
DE3909879 1989-03-25

Publications (3)

Publication Number Publication Date
EP0389923A2 true EP0389923A2 (en) 1990-10-03
EP0389923A3 EP0389923A3 (en) 1991-05-08
EP0389923B1 EP0389923B1 (en) 1994-01-05

Family

ID=6377216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90105184A Expired - Lifetime EP0389923B1 (en) 1989-03-25 1990-03-20 Ink rail device

Country Status (4)

Country Link
US (1) US5080013A (en)
EP (1) EP0389923B1 (en)
JP (1) JPH02279338A (en)
DE (2) DE3909879C1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118426A1 (en) * 1991-06-05 1992-12-10 Koenig & Bauer Ag CHAMBER Squeegee for an inking unit of a rotary printing press
DE4320833C1 (en) * 1993-06-23 1994-09-22 Roland Man Druckmasch Method and device for exchanging a doctor blade of a chamber-type doctor for rotary printing machines
US5694847A (en) * 1995-05-24 1997-12-09 Trans Tech America, Inc. Ink cups for pad printing machines, methods of their manufacturing and machines including same
DK172892B1 (en) * 1997-10-20 1999-09-13 Hans Degn Dosage unit and method for continuous introduction of liquid solution samples into a system
EP1090756B1 (en) * 1999-10-05 2005-01-12 Gallus Ferd. Rüesch Ag Chambered doctor blade
US6464784B1 (en) * 1999-12-22 2002-10-15 Eastman Kodak Company Coating apparatus having a coating, recirculation and cleaning arrangement
DE10030600B4 (en) * 2000-06-21 2009-11-05 Koenig & Bauer Aktiengesellschaft Color box for a printing press
DE10214710A1 (en) * 2002-04-03 2003-10-23 Windmoeller & Hoelscher Ink chamber doctor blade
CN100368199C (en) * 2004-02-12 2008-02-13 佳能株式会社 Liquid applying apparatus and ink jet printing apparatus
JP4498148B2 (en) * 2004-02-12 2010-07-07 キヤノン株式会社 Liquid applicator, recording device
JP5063385B2 (en) * 2008-01-23 2012-10-31 キヤノン株式会社 Liquid coating apparatus and inkjet recording apparatus
KR101010324B1 (en) * 2008-09-02 2011-01-25 임한묵 Moisture Inspirator and Its Manntacturing Method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE369114C (en) * 1923-02-15 C G Haubold A G Inking unit for roller printing machines with color supplied under pressure
US1583172A (en) * 1925-11-21 1926-05-04 R W Crabtree And Sons Ltd Inking mechanism for printing machines
US3298305A (en) * 1965-09-08 1967-01-17 Harris Intertype Corp Inking mechanism held in an indenting relationship with the form roll
EP0071180A1 (en) * 1981-07-29 1983-02-09 Windmöller &amp; Hölscher Trough-like ink supply for a rotary printing machine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046885A (en) * 1960-05-12 1962-07-31 Hoe & Co R Printing machine ink rail
US3384013A (en) * 1965-11-15 1968-05-21 Matthews & Co Jas H Roller fountain for liquid transfer in a rotary machine
GB1241793A (en) * 1967-07-21 1971-08-04 Colorflo Ltd Improvements in or relating to printing apparatus
DE2228685C3 (en) * 1972-06-13 1978-04-06 Escher Wyss Gmbh, 7980 Ravensburg Coating device
US4009657A (en) * 1975-02-25 1977-03-01 Scott Paper Company Apparatus for applying fluid to an intaglio roll for transfer to a soft, absorbent fibrous web
US4085672A (en) * 1975-09-11 1978-04-25 John Grosart Inking device
FR2527987B1 (en) * 1982-06-04 1986-06-20 Creusot Loire LOW BLADE INK DEVICE WITH REMOVABLE INK CUP
DE3320638C2 (en) * 1983-06-08 1986-10-16 Koenig & Bauer AG, 8700 Würzburg Ink dividing device on ink fountain rollers of printing machines
US4625643A (en) * 1984-08-09 1986-12-02 Davis William F Ink dispensing means
US4831927A (en) * 1988-05-31 1989-05-23 Rockwell International Corporation Printing press dampener

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE369114C (en) * 1923-02-15 C G Haubold A G Inking unit for roller printing machines with color supplied under pressure
US1583172A (en) * 1925-11-21 1926-05-04 R W Crabtree And Sons Ltd Inking mechanism for printing machines
US3298305A (en) * 1965-09-08 1967-01-17 Harris Intertype Corp Inking mechanism held in an indenting relationship with the form roll
EP0071180A1 (en) * 1981-07-29 1983-02-09 Windmöller &amp; Hölscher Trough-like ink supply for a rotary printing machine

Also Published As

Publication number Publication date
EP0389923B1 (en) 1994-01-05
DE3909879C1 (en) 1990-08-09
EP0389923A3 (en) 1991-05-08
US5080013A (en) 1992-01-14
DE59004073D1 (en) 1994-02-17
JPH02279338A (en) 1990-11-15

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