EP0946367B1 - Method for inking a screen roller - Google Patents

Method for inking a screen roller Download PDF

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Publication number
EP0946367B1
EP0946367B1 EP97954330A EP97954330A EP0946367B1 EP 0946367 B1 EP0946367 B1 EP 0946367B1 EP 97954330 A EP97954330 A EP 97954330A EP 97954330 A EP97954330 A EP 97954330A EP 0946367 B1 EP0946367 B1 EP 0946367B1
Authority
EP
European Patent Office
Prior art keywords
ink
doctor
roller
working
quadrant
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
EP97954330A
Other languages
German (de)
French (fr)
Other versions
EP0946367A1 (en
Inventor
Karl Robert SCHÄFER
Georg Schneider
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 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 AG filed Critical Koenig and Bauer AG
Publication of EP0946367A1 publication Critical patent/EP0946367A1/en
Application granted granted Critical
Publication of EP0946367B1 publication Critical patent/EP0946367B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/02Ducts, containers, supply or metering devices
    • B41F31/027Ink rail devices for inking ink rollers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00Printing
    • Y10S101/34Means to agitate ink in a reservoir

Definitions

  • the invention relates to a method for inking an anilox roller Rotary printing machine according to claim 1.
  • EP 06 63 293 A1 discloses a device for inking an anilox roller, in which printing ink rotates in a fully filled ink chamber with a circular cross section about a longitudinal axis running parallel to the anilox roller. A negative squeegee and a positive squeegee are provided.
  • a preformed ink chamber is required in which ink is pumped into it.
  • US 15 68 299 A describes a paint box with two to each other in the circumferential direction of a metering roller spaced color knives.
  • the distance between the ink knife and the metering roller becomes one transferring ink layer thickness set.
  • the US 37 30 089 A shows a paint box in which forms an ink roller during the run. To the Dosing the ink is one color meter at a time Metering roller spaced.
  • the invention has for its object an inking unit for coloring one To create anilox roller in a rotary printing machine with highly viscous printing ink.
  • An ink fountain 1 open at the top has left and one right side wall 2; 3 and two of the periphery 11 a driven roller 4 adapted sealing End walls 6; 7.
  • the ink fountain 1 extends over the entire length of the roller 4, the anilox roller is formed, at the bottom of the side walls 2; 3rd are a negative to the roller 4 Working squeegee 8 and a closing squeegee 9 interchangeable appropriate.
  • Ink box 1 contains highly viscous printing ink, which one during the machine run horizontal direction A movable, clockwise B rotating ink roller 12 forms. According to the Direction of rotation of the roller 4, z. B. counterclockwise C, the paint roller 12 lies on part of the Surface 11 of the roller 4 as well as on a Work surface 13 of the squeegee 8 and one Ink roller 12 in the direction of production C of the roller 4 delimiting guide surface 14.
  • the guide surface 14 is z. B. from the inside of the left side wall 2 formed and runs to Working surface 13 of the squeegee 8 in one blunt Alpha angle, preferably from 110 ° to 130 °.
  • the working surface 13 is the free doctor blade width and the length of the working squeegee 8 formed.
  • the ink fountain 1 is between the 1st and 2nd or 1st or in the II. quadrant one through the axis of rotation 17 the right-angled roller 4 Coordinate system on the periphery 11 of the ink fountain 4 arranged.
  • angle alpha is in the range of 180 °, it is located the work surface 13 and the guide surface 14 in same level and can therefore also be unique be carried out.
  • the ink has a viscosity greater than 60 poise on.

Landscapes

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

Description

Die Erfindung betrifft ein Verfahren zum Einfärben einer Rasterwalze einer Rotationsdruckmaschine entsprechend dem Anspruch 1.The invention relates to a method for inking an anilox roller Rotary printing machine according to claim 1.

Durch die EP 06 63 293 A1 ist eine Vorrichtung zur Einfärbung einer Rasterwalze bekannt, bei welcher in einer vollgefüllten Farbkammer mit kreisförmigem Querschnitt Druckfarbe um eine parallel zur Rasterwalze verlaufende Längsachse rotiert.
Es sind eine negativ angestellte Arbeitsrakel und eine positiv angestellte Schließrakel vorgesehen.
EP 06 63 293 A1 discloses a device for inking an anilox roller, in which printing ink rotates in a fully filled ink chamber with a circular cross section about a longitudinal axis running parallel to the anilox roller.
A negative squeegee and a positive squeegee are provided.

Es ist eine vorgeformte Farbkammer erforderlich, in welche Druckfarbe hineingepumpt wird.A preformed ink chamber is required in which ink is pumped into it.

Die US 15 68 299 A beschreibt einen Farbkasten mit zwei zueinander in Umfangsrichtung einer Dosierwalze beabstandeten Farbmessern. Mittels eines einstellbaren Abstandes der Farbmesser zur Dosierwalze wird eine zu übertragende Farbschichtdicke festgelegt.US 15 68 299 A describes a paint box with two to each other in the circumferential direction of a metering roller spaced color knives. By means of an adjustable The distance between the ink knife and the metering roller becomes one transferring ink layer thickness set.

Die US 37 30 089 A zeigt einen Farbkasten, in dem sich während des Laufes eine Druckfarbenrolle ausbildet. Zum Dosieren der Druckfarbe ist ein Farbmesser zu einer Dosierwalze beabstandet. The US 37 30 089 A shows a paint box in which forms an ink roller during the run. To the Dosing the ink is one color meter at a time Metering roller spaced.

Der Erfindung liegt die Aufgabe zugrunde, ein Farbwerk zum Einfärben einer Rasterwalze in einer Rotationsdruckmaschine mit hochviskoser Druckfarbe zu schaffen.The invention has for its object an inking unit for coloring one To create anilox roller in a rotary printing machine with highly viscous printing ink.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.This object is achieved by the features of claim 1 solved.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß wenig Druckfarbe in Umlauf ist, was bei einer Reinigung des Farbkastens und einem Druckfarbenwechsel von Vorteil ist. Infolge Fehlens einer besonders geformten Farbkammer bildet sich die rotierende Farbrolle oder Druckfarbenrolle ungestört und gleichmäßig aus, was ebenfalls zu einer gleichmäßigen und intensiven Einfärbung der Walze führt.The advantages that can be achieved with the invention exist especially in that there is little ink in circulation, what about cleaning the ink fountain and a Ink change is an advantage. As a result of absence A specially shaped ink chamber forms the rotating ink roller or ink roller undisturbed and even from what also to an even and intense The roller is colored.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Die einzige Zeichnung zeigt einen Querschnitt durch eine schematische Darstellung eines auf einer Walze aufgesetzten Farbkastens mit zwei Rakeln.An embodiment of the invention is in the Drawing shown and will be described in more detail below described. The only drawing shows one Cross section through a schematic representation of a ink fountain with two mounted on a roller Squeegees.

Ein oben offener Farbkasten 1 hat eine linke und eine rechte Seitenwand 2; 3 sowie zwei der Peripherie 11 einer angetriebenen Walze 4 angepaßte abdichtende Stirnwände 6; 7. Der Farbkasten 1 erstreckt sich über die gesamte Länge der Walze 4, die als Rasterwalze ausgebildet ist, Unten an den Seitenwänden 2; 3 sind eine an die Walze 4 negativ angestellte Arbeitsrakel 8 sowie eine Schließrakel 9 auswechselbar angebracht.An ink fountain 1 open at the top has left and one right side wall 2; 3 and two of the periphery 11 a driven roller 4 adapted sealing End walls 6; 7. The ink fountain 1 extends over the entire length of the roller 4, the anilox roller is formed, at the bottom of the side walls 2; 3rd are a negative to the roller 4 Working squeegee 8 and a closing squeegee 9 interchangeable appropriate.

Im Farbkasten 1 befindet sich hochviskose Druckfarbe, welche während des Maschinenlaufes eine sich in horizontaler Richtung A bewegbare, im Uhrzeigersinn B rotierende Farbrolle 12 ausbildet. Entsprechend der Drehrichtung der Walze 4, z. B. im Gegenuhrzeigersinn C, liegt die Farbrolle 12 sowohl auf einem Teil der Oberfläche 11 der Walze 4 als auch auf einer Arbeitsfläche 13 der Arbeitsrakel 8 sowie einer die Farbrolle 12 in Produktionsrichtung C der Walze 4 begrenzenden Leitfläche 14 an.Ink box 1 contains highly viscous printing ink, which one during the machine run horizontal direction A movable, clockwise B rotating ink roller 12 forms. According to the Direction of rotation of the roller 4, z. B. counterclockwise C, the paint roller 12 lies on part of the Surface 11 of the roller 4 as well as on a Work surface 13 of the squeegee 8 and one Ink roller 12 in the direction of production C of the roller 4 delimiting guide surface 14.

Die Leitfläche 14 wird z. B. von der Innenseite der linken Seitenwand 2 gebildet und verläuft zur Arbeitsfläche 13 der Arbeitsrakel 8 in einem stumpfen Winkel Alpha, vorzugsweise von 110° bis 130°.The guide surface 14 is z. B. from the inside of the left side wall 2 formed and runs to Working surface 13 of the squeegee 8 in one blunt Alpha angle, preferably from 110 ° to 130 °.

Die Arbeitsfläche 13 wird von der freien Rakelbreite sowie der Länge der Arbeitsrakel 8 gebildet.The working surface 13 is the free doctor blade width and the length of the working squeegee 8 formed.

Es ist auch möglich, die Walze 4 in Uhrzeigerdrehrichtung laufen zu lassen, so daß die Rakel 9 zur Arbeitsrakel und die Rakel 8 zur Schließrakel wird und die Farbrolle 12 an der Rakel 9 sowie an der Innenfläche der rechten Seitenwand 3, einer Leitfläche 16 anliegt.It is also possible to roll 4 in Let the clockwise rotation run so that the squeegee 9 becomes the working squeegee and the squeegee 8 becomes the closing squeegee and the ink roller 12 on the squeegee 9 and on the Inner surface of the right side wall 3, a guide surface 16 is present.

Der Farbkasten 1 ist zwischen dem I. und II. oder im I. oder im II. Quadranten eines durch die Rotationsachse 17 der Walze 4 verlaufenden rechtwinkligen Koordinatensystems an der Peripherie 11 des Farbkastens 4 angeordnet.The ink fountain 1 is between the 1st and 2nd or 1st or in the II. quadrant one through the axis of rotation 17 the right-angled roller 4 Coordinate system on the periphery 11 of the ink fountain 4 arranged.

Nach einer anderen Ausführungsvariante ist es möglich, je nach Drehrichtung der Walze 4, z. B. in Richtung C, nur eine Rakel, d. h. die negativ angestellte Arbeitsrakel 8 sowie zwei Stirnwände 6; 7 zu verwenden. Die Rakel 8 kann dabei je je nach Höhe des Betrages des Winkels alpha mit einer Seitenwand 2 zusammenwirken. According to another variant, it is possible to depending on the direction of rotation of the roller 4, z. B. towards C, only one squeegee, d. H. the negatively employed Squeegee 8 and two end walls 6; 7 to use. The doctor blade 8 can, depending on the amount of the Angle alpha cooperate with a side wall 2.

Liegt der Winkel Alpha im Bereich von 180°, so befindet sich die Arbeitsfläche 13 sowie die Leitfläche 14 in derselben Ebene und können somit auch eindeutig ausgeführt werden.If the angle alpha is in the range of 180 °, it is located the work surface 13 and the guide surface 14 in same level and can therefore also be unique be carried out.

Während des Maschinenlaufes wird z. B. in den Farbkasten 1 soviel Druckfarbe eingegeben, daß sich eine Farbrolle 12 ausbildet, welche mit einer Resultierenden ihres Gewichtes auf einem Teil der Oberfläche 11 der Walze 4 aufliegt und sowohl von der freien Arbeitsfläche 13 der Arbeitsrakel 8 als auch von der Leitfläche 14 begrenzt wird.During the machine run z. B. in the color box 1 Entered so much ink that there was a roll of paint 12 trains, which with a resultant of their Weight on part of the surface 11 of the roller 4th rests and both of the free work surface 13 of the Working squeegee 8 and limited by the guide surface 14 becomes.

Die Druckfarbe weist eine Viskosität größer als 60 Poise auf. The ink has a viscosity greater than 60 poise on.

BezugszeichenlisteReference list

11
FarbkastenPaint box
22nd
Seitenwand, linke (1)Sidewall, left (1)
33rd
Seitenwand, rechte (2)Right side panel (2)
44th
Walzeroller
55
--
66
Stirnwand (1)End wall (1)
77
Stirnwand (1)End wall (1)
88th
ArbeitsrakelSqueegee
99
SchließrakelClosing squeegee
1010th
--
1111
Peripherie, Oberfläche (4)Periphery, surface (4)
1212th
FarbrollePaint roller
1313
Arbeitsfläche (8)Work surface (8)
1414
Leitfläche (2)Guide surface (2)
1515
--
1616
Leitfläche (3)Guide surface (3)
1717th
Rotationsachse (4)Rotation axis (4)
AA
Bewegungsrichtung (12)Direction of movement (12)
BB
Drehrichtung (12)Direction of rotation (12)
cc
Drehrichtung (4)Direction of rotation (4)
I - IVI - IV
Quadranten eines rechtwinkligen KoordinatensystemsQuadrant of a right angle Coordinate system
Alphaalpha
Winkel (13, 14)Angle (13, 14)

Claims (6)

  1. Method of inking an engraved roll (4) in a rotary printing machine, using an unpressurized ink fountain (1), with a working doctor (8) set negatively and with no spacing directly against the engraved roll (4) and a closing doctor (9) set positively and with no spacing directly against the engraved roll (4), wherein, during the running of the machine, in each case a supply of highly viscous printing ink is fed to the ink fountain (1) such that a rotating roll of printing ink (12) is formed and rolls on the working doctor (8) without touching the closing doctor (9).
  2. Method according to Claim 1, characterized in that a guide surface (14 or 16) which bounds the roll of printing ink (12) is provided on the doctor (8 or 9).
  3. Method according to Claim 2, characterized in that at least an obtuse angle (alpha) is enclosed between a free working surface (13) of the working doctor (8) and the guide surface (14).
  4. Method according to Claim 3, characterized in that at least an obtuse angle (alpha) of 110° to 130° is enclosed between a free working surface (13) of the working doctor (8) and the guide surface (14).
  5. Method according to Claim 2, characterized in that, depending on the production direction of the engraved roll, the guide surfaces (8; 14 or 9; 16) are provided in quadrant I and quadrant II or in quadrant II or only in quadrant I, as referred to a rectangular coordinate system with its origin on the axis of rotation (17) of the engraved roll (4).
  6. Method according to Claim 1, characterized in that the printing ink has a viscosity of greater than 60 Poise.
EP97954330A 1996-12-21 1997-12-22 Method for inking a screen roller Expired - Lifetime EP0946367B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19653812 1996-12-21
DE19653812 1996-12-21
PCT/DE1997/002991 WO1998028140A1 (en) 1996-12-21 1997-12-22 Method and device for inking a cylinder

Publications (2)

Publication Number Publication Date
EP0946367A1 EP0946367A1 (en) 1999-10-06
EP0946367B1 true EP0946367B1 (en) 2001-01-24

Family

ID=7815875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97954330A Expired - Lifetime EP0946367B1 (en) 1996-12-21 1997-12-22 Method for inking a screen roller

Country Status (5)

Country Link
US (1) US6076462A (en)
EP (1) EP0946367B1 (en)
JP (1) JP3337225B2 (en)
DE (1) DE59702966D1 (en)
WO (1) WO1998028140A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019531A1 (en) * 2005-03-01 2006-09-07 Koenig & Bauer Ag Top-mounted ink vat for printing press drum has internal rollers driving motion of full-width wire loop
DE102005041185A1 (en) * 2005-08-31 2007-03-01 Koenig & Bauer Ag Roller e.g. screen roller, coloring device for use in rotary printing press, has operating doctor blades with two laterally arranged color outlets that are oppositely arranged in laterally inverted manner
DE102005041187A1 (en) * 2005-08-31 2007-03-01 Koenig & Bauer Ag Roller e.g. screen roller, inking device for use in rotary printing press, has ink inlet arranged in front of operating doctor blades, where blades arranged before last blade includes several uniformly distributed ink outlets
DE102006025325A1 (en) * 2006-05-31 2007-12-06 Koenig & Bauer Aktiengesellschaft Inking system`s inking roller inking method for printing machine, involves detecting disturbances developed during transmission of ink to roller, and making activation of operating unit depending on disturbances in zones
DE102006029883A1 (en) * 2006-06-28 2008-01-03 Koenig & Bauer Aktiengesellschaft Roller inking device for rotary printing machine, has scraper case attached to operating scraper that is parallel to roller, and ink chamber provided for receiving printing ink, where chamber is provided in downstream to ink chamber
DE102006047594A1 (en) * 2006-10-09 2008-04-10 Heidelberger Druckmaschinen Ag Inking system for use in printing machine, has ink duct with negative wiper for wiping printing roller, and shaft arranged in ink duct, where shaft is arranged within printing ink roll and at distance to printer roller

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19757897C1 (en) * 1997-12-24 1999-07-22 Koenig & Bauer Ag Arrangement for an inking unit of a rotary printing press
JP2005297201A (en) * 2004-04-06 2005-10-27 Taiyo Kikai Seisakusho:Kk Ink supply unit for flexographic press
US20090035037A1 (en) * 2006-03-09 2009-02-05 Broch Allan R Doctor blade chamber for high viscous ink

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE414325C (en) * 1922-10-19 1925-05-28 Lindian Jacob Swaim Inking unit for plate printing machines
US1568299A (en) * 1923-08-15 1926-01-05 Miehle Printing Press & Mfg Inking fountain
US2399688A (en) * 1942-03-09 1946-05-07 Standard Register Co Ink fountain
US2534320A (en) * 1946-05-16 1950-12-19 Champion Paper & Fibre Co Apparatus for coating paper
US3457858A (en) * 1967-08-29 1969-07-29 Lester R Gibbs Weighted press fountain back structure
US3730089A (en) * 1971-06-16 1973-05-01 Itek Corp Ink monitoring apparatus
US4158333A (en) * 1978-05-01 1979-06-19 Anpa Research Institute Inking baffle for rotary newspaper presses
DE3505598C2 (en) * 1984-10-30 1986-08-14 Windmöller & Hölscher, 4540 Lengerich Rinse inking unit with divided chamber doctor blade
DE3843017C1 (en) * 1988-12-21 1990-05-23 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5427136A (en) * 1991-11-27 1995-06-27 The Langston Corporation Fluid level detection system
DE4143050A1 (en) * 1991-12-27 1993-07-01 Erich Beck Sealed application chamber for low or high viscous fluids - has wide stripper elements on rear chamber wall, to feed leaked material directly into return chamber or pump
DE4334803C1 (en) * 1993-10-13 1994-11-03 Roland Man Druckmasch Device for metering liquid media in offset printing machines, preferably for varnishing units
DE4401332C2 (en) * 1994-01-18 1996-04-11 Roland Man Druckmasch Device for filling depressions on a lateral surface of a rotating, circular-cylindrical body of a printing press
DE4401365A1 (en) * 1994-01-18 1995-07-20 Roland Man Druckmasch Device for coloring an anilox roller
US5517918A (en) * 1994-07-29 1996-05-21 Fischer & Krecke Gmbh & Co. Doctor blade clamping assembly for a printing press

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005019531A1 (en) * 2005-03-01 2006-09-07 Koenig & Bauer Ag Top-mounted ink vat for printing press drum has internal rollers driving motion of full-width wire loop
DE102005041185A1 (en) * 2005-08-31 2007-03-01 Koenig & Bauer Ag Roller e.g. screen roller, coloring device for use in rotary printing press, has operating doctor blades with two laterally arranged color outlets that are oppositely arranged in laterally inverted manner
DE102005041187A1 (en) * 2005-08-31 2007-03-01 Koenig & Bauer Ag Roller e.g. screen roller, inking device for use in rotary printing press, has ink inlet arranged in front of operating doctor blades, where blades arranged before last blade includes several uniformly distributed ink outlets
DE102005041185B4 (en) * 2005-08-31 2014-03-27 Koenig & Bauer Aktiengesellschaft Apparatus for coloring a roller on a rotary printing machine
DE102006025325A1 (en) * 2006-05-31 2007-12-06 Koenig & Bauer Aktiengesellschaft Inking system`s inking roller inking method for printing machine, involves detecting disturbances developed during transmission of ink to roller, and making activation of operating unit depending on disturbances in zones
DE102006029883A1 (en) * 2006-06-28 2008-01-03 Koenig & Bauer Aktiengesellschaft Roller inking device for rotary printing machine, has scraper case attached to operating scraper that is parallel to roller, and ink chamber provided for receiving printing ink, where chamber is provided in downstream to ink chamber
DE102006047594A1 (en) * 2006-10-09 2008-04-10 Heidelberger Druckmaschinen Ag Inking system for use in printing machine, has ink duct with negative wiper for wiping printing roller, and shaft arranged in ink duct, where shaft is arranged within printing ink roll and at distance to printer roller

Also Published As

Publication number Publication date
JP2000516170A (en) 2000-12-05
DE59702966D1 (en) 2001-03-01
JP3337225B2 (en) 2002-10-21
US6076462A (en) 2000-06-20
EP0946367A1 (en) 1999-10-06
WO1998028140A1 (en) 1998-07-02

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