EP0919380B1 - Dosierelemente in einem Farbkasten für Rotationsdruckmaschinen - Google Patents

Dosierelemente in einem Farbkasten für Rotationsdruckmaschinen Download PDF

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Publication number
EP0919380B1
EP0919380B1 EP98116309A EP98116309A EP0919380B1 EP 0919380 B1 EP0919380 B1 EP 0919380B1 EP 98116309 A EP98116309 A EP 98116309A EP 98116309 A EP98116309 A EP 98116309A EP 0919380 B1 EP0919380 B1 EP 0919380B1
Authority
EP
European Patent Office
Prior art keywords
ink fountain
metering
supporting bodies
regions
fountain roller
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
EP98116309A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0919380A1 (de
Inventor
Michael Dr. Voge
Bernhard Roskosch
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0919380A1 publication Critical patent/EP0919380A1/de
Application granted granted Critical
Publication of EP0919380B1 publication Critical patent/EP0919380B1/de
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
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices

Definitions

  • the invention relates to an ink fountain for rotary printing presses arranged side by side and at different distances from one another Ink fountain roller adjustable, cylindrical dosing elements, each one wedge-shaped dosing range determined, rotatably mounted and with a Ink box attached elastic film is covered, the dosing elements Support bodies or areas are assigned, each of which is under spring pressure, lies indirectly over the film on a lateral surface of the ink fountain roller, according to Preamble of claim 1.
  • EP 0 021 002 A1 contains a color box corresponding to the type mentioned at the outset described in which an offset seen in the circumferential direction of the ink fountain roller between the support bodies or areas and the metering areas (cf. EP 0 021 002 A1, Figure 6, position 17, 30) and the metering range of each metering element extends across the full zone width.
  • the object of the present invention is when covered by an elastic film Dosing elements, wear, e.g. B. on the film to reduce.
  • the object is achieved by a color box with the features of Claim 1 solved.
  • the wedge-shaped metering area can be used to adjust the ink film thickness be pivoted without the support body attached to this pivoting movement also run. Due to the flattening provided on the support bodies, the Support body to the outer surface of the ink fountain roller without causing the pivoting movement follow the dosing elements.
  • the flattening is designed so that a There is surface contact between the support body and ink fountain roller, so that the Contact pressure is reduced and the wear behavior of the film is significantly improved.
  • the fulcrum of the support body is on the Dosing elements offset eccentrically. This is a wedge-shaped course of the Dosing ranges achieved with low manufacturing costs of the dosing elements.
  • the support bodies are in the form of support rings formed on both sides on eccentrically offset pins on the metering elements are arranged.
  • the support bodies are eccentric offset pins, with which they in eccentrically offset holes in the Dosing elements are rotatably mounted. Both versions guarantee an independent Swiveling the metering elements and a flat contact of the support body on the Shell surface of the ink fountain roller over the elastic film.
  • a further advantageous embodiment of the invention is characterized in that that the flats on the support bodies have an inward radius that corresponds approximately to the radius of the lateral surface of the ink fountain roller.
  • the Contact area optimally enlarged, so that a further reduction in wear reduced contact pressure is guaranteed.
  • the guides are designed as support bodies and designed to receive the metering elements fork-shaped, the fork-shaped Flattened ends.
  • Zone width metering elements 4 are in accordance with FIG Guides 5 held, which are supported by compression springs 6, so that the Dosing elements 4 are pressed against the outer surface of the ink fountain roller 2.
  • the metering elements 4 can be driven by means 7, threaded spindle 8 and Swivel the control body 9. To protect the dosing elements, these are and Guides 5 covered with an elastic film 10.
  • the metering elements 4 are wedge-shaped Dosing area 11 provided on which an arm 12 for pivoting the Dosing element 4 is provided.
  • the arm 12 is via a coupling 13 with the Adjusting body 9 connected.
  • 2 to 4 are on both sides of the metering area 11 on the metering element 4 pins 14 are provided, on which Support rings 15 are rotatably placed.
  • the support rings 15 have flats 16 on with which they over the film 10 on the outer surface of the ink fountain roller 2nd issue.
  • the pin 14 are, as can be seen from Fig. 4, compared to the Dosing area 11 is offset eccentrically and the bores of the support rings are also offset eccentrically, so that the flat 16 with the largest Eccentricity of the metering area 11 matches.
  • Fig. 4 compared to the Dosing area 11 is offset eccentrically and the bores of the support rings are also offset eccentrically, so that the flat 16 with the largest Eccentricity of the metering area 11 matches.
  • metering elements 4 are shown, in which on both sides Bores 17 are provided, inserted into the pin 18 of support bodies 19 are.
  • the metering areas 20 are wedge-shaped, so that when they are Swivel run wedge-shaped.
  • the bores 17 and the pins 18 eccentrically offset from the metering area 20, so that when Rotating the metering element 4 of the gap to the lateral surface of the ink fountain roller 2 can be adjusted.
  • the support bodies 19 also have a flattened portion 21 on which rest against the ink fountain roller 2 via the film 10. 5 is the closed state of the metering area 20 and in Fig.
  • the eccentricity 21 of the pin 14 or the Bore 17 with pin 18 is the maximum desired Gap thickness 22 between the metering area 11, 20 and the outer surface of the Ink fountain roller 2 selected.
  • the flattening 16, 21 can the support body 15, 19 have a radius r inwards, which is approximately the radius corresponds to the lateral surface of the ink fountain roller 2.
  • FIG. 8 shows a guide 5 which is fork-shaped in the area of the metering elements 4 is formed and between the ends 23 each have a metering element 4 eccentrically arranged pin 14 receives.
  • Flattenings 16 at the ends 23 are indirectly via the film 10 under spring pressure on the lateral surface of the Ink fountain roller 2.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP98116309A 1997-11-24 1998-08-28 Dosierelemente in einem Farbkasten für Rotationsdruckmaschinen Expired - Lifetime EP0919380B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29720791U 1997-11-24
DE29720791U DE29720791U1 (de) 1997-11-24 1997-11-24 Farbkasten für Rotationsdruckmaschinen

Publications (2)

Publication Number Publication Date
EP0919380A1 EP0919380A1 (de) 1999-06-02
EP0919380B1 true EP0919380B1 (de) 2002-10-30

Family

ID=8049026

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116309A Expired - Lifetime EP0919380B1 (de) 1997-11-24 1998-08-28 Dosierelemente in einem Farbkasten für Rotationsdruckmaschinen

Country Status (4)

Country Link
US (1) US5960715A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0919380B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP4418544B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (3) DE29720791U1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914179A1 (de) * 1998-04-23 1999-11-11 Heidelberger Druckmasch Ag Vorrichtung zur Farbdosierung in einer Druckmaschine
JP3100374B1 (ja) * 1999-06-03 2000-10-16 三菱重工業株式会社 インキ供給装置及びインキキー
JP4932999B2 (ja) * 2000-04-26 2012-05-16 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 印刷機のインキ装置
US6802255B2 (en) 2002-12-09 2004-10-12 Color Control Corp. Ink fountain mechanism
US7178461B2 (en) * 2002-12-09 2007-02-20 Color Control Corp. Ink fountain assembly with non-tilt cheeks and liner replacement mechanism
EP2969568A4 (en) * 2013-03-13 2016-11-23 Probity Engineering Llc INK DEVICE AND METHOD FOR ADJUSTING FLOW RATE FOR FLEXOGRAPHY APPARATUS
CN103465622B (zh) * 2013-09-29 2015-02-04 李付军 一种印刷机上分区控制供墨装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648098C3 (de) * 1976-10-23 1984-01-05 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbkasten für Offset- oder Hochdruckmaschinen
DE2923678C2 (de) * 1979-06-12 1982-02-18 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbkasten mit einzelnen, jeweils über die gesamte Zonenbreite reichenden Farbdosiereinrichtungen
DE3324950C2 (de) * 1983-07-11 1986-04-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbdosiereinrichtung für eine Druckmaschine
DE4341243C2 (de) * 1992-12-11 1996-04-04 Heidelberger Druckmasch Ag Dosiervorrichtung einer Druckmaschine mit gegen eine Zuführwalze stellbaren Dosierelementen
DE19525849A1 (de) * 1995-07-15 1997-01-16 Heidelberger Druckmasch Ag Farbkasten für Offset- oder Hochdruckmaschinen

Also Published As

Publication number Publication date
DE19831298A1 (de) 1999-05-27
JP4418544B2 (ja) 2010-02-17
JPH11221909A (ja) 1999-08-17
EP0919380A1 (de) 1999-06-02
DE59806104D1 (de) 2002-12-05
DE29720791U1 (de) 1998-01-08
US5960715A (en) 1999-10-05

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