EP0425432A2 - Mécanisme de réglage pour une raclette divisée en zones - Google Patents

Mécanisme de réglage pour une raclette divisée en zones Download PDF

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Publication number
EP0425432A2
EP0425432A2 EP90810771A EP90810771A EP0425432A2 EP 0425432 A2 EP0425432 A2 EP 0425432A2 EP 90810771 A EP90810771 A EP 90810771A EP 90810771 A EP90810771 A EP 90810771A EP 0425432 A2 EP0425432 A2 EP 0425432A2
Authority
EP
European Patent Office
Prior art keywords
screw
zone screw
mechanism according
adjusting mechanism
zone
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
EP90810771A
Other languages
German (de)
English (en)
Other versions
EP0425432B1 (fr
EP0425432A3 (en
Inventor
Patric Albiez
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0425432A2 publication Critical patent/EP0425432A2/fr
Publication of EP0425432A3 publication Critical patent/EP0425432A3/de
Application granted granted Critical
Publication of EP0425432B1 publication Critical patent/EP0425432B1/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
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/47—Automatic or remote control of metering blade position

Definitions

  • the present invention relates to an actuating mechanism for doctor blade doctor blades divided into individual zones, in particular offset printing machines.
  • a squeegee of the small to medium-sized offset printing machines depending on the size, 16 to 50 adjusting screws have to be adjusted.
  • This adjustment process takes place for the first time when setting up the new offset printing press and must be reset for each print and / or each new printing ink.
  • This process is controlled by printing on paper and measuring the color thickness with the densitometer. Then the squeegee is readjusted and measured again, how the color strength has been adjusted according to the densitometer and the squeegee is readjusted etc. This process can be repeated many times and is extremely time-consuming.
  • the high-precision setting requires a fine adjustment of the set screws.
  • a corresponding solution is known for example from DE-A-2'435'321. Although this improves the accuracy of the setting, it does not shorten the actual setting process.
  • the fine adjustment produces a not inconsiderable amount of paper waste, which is not only uneconomical but also environmentally harmful.
  • the present invention has for its object to provide an adjusting mechanism, with the help of the repeated adjustment, time and paper to be saved.
  • the doctor blade 1 shows the doctor blade, which is divided into zones by incisions perpendicular to its longitudinal direction.
  • the zone subdivision of the squeegee 1 facilitates the adjustment of the ink supply because the adjustment in one area of the squeegee does not lead to forces which cause the squeegee to deform in adjacent areas.
  • Through holes 5 are provided in the cross-beam 3 of the printing press, which is already provided on the machine side, and are aligned with the individual zones of the doctor blade 1.
  • Each bore 5 has an enlarged area 51 which merges into a slightly tapered area with an internal thread 52.
  • a set screw 6 is accommodated in each hole.
  • the set screw 6 is in two parts. she consists from a zone screw 61 and a pressure bolt 62.
  • the zone screw 61 has a long, thin shaft 63 which merges in the direction of the doctor blade into a thickened region 64 in which a blind hole with a thread is made.
  • the pressure bolt 62 is screwed into the blind hole with an internal thread 65 and has an external thread 66 at its end facing away from the squeegee 1.
  • the pressure pin 62 has a form-fitting head 67, which rests on the squeegee 1 in a displaceable but non-rotatable manner with respect to the squeegee 1.
  • the zone screw 61 has on its thickened area 64 an external thread 68 which meshes with the internal thread 52 of the through hole 5 in the cross-beam 3.
  • the pitches of the external thread 68 of the zone screw 61 and the external thread 66 of the pressure bolt 62 are different. From this it follows automatically that per revolution on the long shaft 63 of the zone screw 61, the pressure pin 62 will only move by the difference in the pitches of the two so-called threads relative to the squeegee 1. This allows an extremely precise setting of, for example, a tenth of a millimeter per revolution or less to be achieved.
  • a counter clock 8 is attached to the end of the thin shaft 63.
  • Such counters are available on the market as potentiometer indicators.
  • the counter clock has a housing 81 in which a gear and a driver counter is accommodated. The status of the driver counter can be read directly on the display 82. Each complete turn of the rotary knob 83 rotates the driver counter one position. Of course, a reducer could also be accommodated in the counter 8, but this should not be necessary.
  • Each counter clock could be connected to the crossbar 3 of the printing press by appropriate fixation. However, this would be complex and would make the subsequent retrofitting of a printing press with the actuating mechanism according to the invention more expensive and complicated.
  • each set screw is already connected to the crossbeam 3 and the counters are placed on these set screws, it is sufficient to secure the counters against each other against rotation.
  • this is done in the simplest form in that the counter housing 81 is moved across the housing 81 with a horizontal slot or a through hole 84 designed as a vertical fit. Now slide parallel to the crossbar through all slots or Bores 84 in the counters 8 a rod, preferably a steel rod 85, so all counters 8 are secured against rotation relative to one another.
  • the steel rod 85 should be fitted into the bores 84 in the housings 81 with a snug fit.

Landscapes

  • Screen Printers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP90810771A 1989-10-23 1990-10-09 Mécanisme de réglage pour une raclette divisée en zones Expired - Lifetime EP0425432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3815/89A CH679919A5 (fr) 1989-10-23 1989-10-23
CH3815/89 1989-10-23

Publications (3)

Publication Number Publication Date
EP0425432A2 true EP0425432A2 (fr) 1991-05-02
EP0425432A3 EP0425432A3 (en) 1991-08-07
EP0425432B1 EP0425432B1 (fr) 1994-06-29

Family

ID=4264062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810771A Expired - Lifetime EP0425432B1 (fr) 1989-10-23 1990-10-09 Mécanisme de réglage pour une raclette divisée en zones

Country Status (5)

Country Link
US (1) US5052297A (fr)
EP (1) EP0425432B1 (fr)
JP (1) JPH03153355A (fr)
CH (1) CH679919A5 (fr)
DE (1) DE59006304D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242744A1 (de) * 1992-12-17 1994-06-23 Heidelberger Druckmasch Ag Stelleinrichtung am Farbkasten von Offset- oder Hochdruckmaschinen
EP1260365A1 (fr) * 2001-05-17 2002-11-27 Veslatec Oy Mécanisme de réglage pour lames d'encrier
EP3569416A1 (fr) * 2018-05-16 2019-11-20 Giesecke+Devrient Currency Technology GmbH Racle pour une machine de sérigraphie

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117389C2 (de) * 1991-05-28 2002-06-27 Koenig & Bauer Ag Farbzuführeinrichtung an einer Druckmaschine
US6139635A (en) * 1994-07-08 2000-10-31 Measurex Devron Inc. Backing bar for coat weight control system
US5738724A (en) * 1996-08-06 1998-04-14 Westvaco Corporation Actuator assembly for coater blade load adjustment
WO1998013202A2 (fr) * 1996-09-25 1998-04-02 Albiez Ag Unite vis de reglage d'encrier pour spatule d'encrier dans une presse a imprimer
US6561092B1 (en) * 2000-09-22 2003-05-13 Steven R. Surbrook Ink flow adjustment device for printing presses
CH696435A5 (de) 2003-06-20 2007-06-15 Ap Maschinen Ag Dosiervorrichtung an einem Farbkasten.
DE102006062980B3 (de) * 2005-12-12 2021-07-29 Heidelberger Druckmaschinen Intellectual Property Ag & Co. Kg Detektor zur Schließpunkterfassung im Farbkasten
FR2895310B1 (fr) * 2005-12-23 2009-04-17 Goss Int Montataire Sa Dispositif d'encrage et procede d'ajustement correspondant
JP2009000884A (ja) * 2007-06-21 2009-01-08 Komori Corp 印刷機の印刷品質管理方法及び装置
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
US20150128821A1 (en) * 2013-11-13 2015-05-14 Stolle Machinery Company, Llc Fountain blade assembly for can decorator machine ink station assembly
CN103963447A (zh) * 2014-05-07 2014-08-06 湖北京山轻工机械股份有限公司 用于瓦楞纸板印刷线上的刮墨装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607315A (en) * 1951-03-29 1952-08-19 Aids Dev Co Inc Control means for ink fountains
US3559573A (en) * 1968-08-12 1971-02-02 Hantscho Co George Ink fountain assembly and blade adjusting means therefor
DE2435321A1 (de) * 1974-07-23 1976-02-12 Roland Piter Einrichtung zur verstellung des farbmessers an druckmaschinen
GB2079676A (en) * 1980-07-09 1982-01-27 Miller Johannisberg Druckmasch Apparatus for zone-wise adjustment in a printing machine inking mechanism
US4372207A (en) * 1981-03-10 1983-02-08 Komori Printing Machinery Co., Ltd. Ink fountain devices for use in printing press

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898931A (en) * 1974-02-20 1975-08-12 Polygraph Leipzig Doctor blade multiple-point control
DE2703425B1 (de) * 1977-01-28 1978-03-30 Maschf Augsburg Nuernberg Ag Farbwerk fuer Offset-Druckmaschinen
US4193345A (en) * 1977-04-01 1980-03-18 Roland Offsetmaschinenfabrik Faber & Schleicher Ag Device for adjustment of the ink flow on printing press inking units
JPS5565558A (en) * 1978-11-09 1980-05-17 Komori Printing Mach Co Ltd Remote-controlling apparatus for inkwell screw at printing machine
DE2942007A1 (de) * 1979-10-17 1981-04-30 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbwerk fuer eine offset-rotationsdruckmaschine
DE3238912C1 (de) * 1982-10-21 1984-03-15 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum zonenweisen Abtasten der Einfaerbung eines Plattenzylinders einer Rotations-Offsetdruckmaschine
US4510867A (en) * 1983-12-07 1985-04-16 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Control system for ink zone adjusters
JPS633955A (ja) * 1986-06-24 1988-01-08 Toshiba Mach Co Ltd 印刷機におけるインキ出し装置
DE3728672A1 (de) * 1986-09-11 1988-03-31 Jpe Kk Farbkastenvorrichtung fuer eine druckmaschine
JPH0796293B2 (ja) * 1986-12-29 1995-10-18 東芝精機株式会社 印刷機のインク供給量調整装置
DE3826383A1 (de) * 1988-08-03 1990-02-08 Roland Man Druckmasch System zur bereichsauswahl am bedienungspult einer druckmaschine, insbesondere einer offset-rotationsdruckmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607315A (en) * 1951-03-29 1952-08-19 Aids Dev Co Inc Control means for ink fountains
US3559573A (en) * 1968-08-12 1971-02-02 Hantscho Co George Ink fountain assembly and blade adjusting means therefor
DE2435321A1 (de) * 1974-07-23 1976-02-12 Roland Piter Einrichtung zur verstellung des farbmessers an druckmaschinen
GB2079676A (en) * 1980-07-09 1982-01-27 Miller Johannisberg Druckmasch Apparatus for zone-wise adjustment in a printing machine inking mechanism
US4372207A (en) * 1981-03-10 1983-02-08 Komori Printing Machinery Co., Ltd. Ink fountain devices for use in printing press

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242744A1 (de) * 1992-12-17 1994-06-23 Heidelberger Druckmasch Ag Stelleinrichtung am Farbkasten von Offset- oder Hochdruckmaschinen
DE4242744C2 (de) * 1992-12-17 2001-05-10 Heidelberger Druckmasch Ag Stelleinrichtung am Farbkasten von Offset- oder Hochdruckmaschinen
EP1260365A1 (fr) * 2001-05-17 2002-11-27 Veslatec Oy Mécanisme de réglage pour lames d'encrier
EP3569416A1 (fr) * 2018-05-16 2019-11-20 Giesecke+Devrient Currency Technology GmbH Racle pour une machine de sérigraphie

Also Published As

Publication number Publication date
US5052297A (en) 1991-10-01
JPH03153355A (ja) 1991-07-01
DE59006304D1 (de) 1994-08-04
CH679919A5 (fr) 1992-05-15
EP0425432B1 (fr) 1994-06-29
EP0425432A3 (en) 1991-08-07

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