EP1127691A1 - Maschine zum Reinigen von Sieben, die beim Siebdruck verwendet werden - Google Patents

Maschine zum Reinigen von Sieben, die beim Siebdruck verwendet werden Download PDF

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Publication number
EP1127691A1
EP1127691A1 EP00440048A EP00440048A EP1127691A1 EP 1127691 A1 EP1127691 A1 EP 1127691A1 EP 00440048 A EP00440048 A EP 00440048A EP 00440048 A EP00440048 A EP 00440048A EP 1127691 A1 EP1127691 A1 EP 1127691A1
Authority
EP
European Patent Office
Prior art keywords
screen
machine according
brush
movable
support
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.)
Withdrawn
Application number
EP00440048A
Other languages
English (en)
French (fr)
Inventor
François Lamirand
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.)
Serig
Original Assignee
Serig
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 Serig filed Critical Serig
Priority to EP00440048A priority Critical patent/EP1127691A1/de
Publication of EP1127691A1 publication Critical patent/EP1127691A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/001—Devices for cleaning parts removed from the printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/003—Cleaning arrangements or devices for screen printers or parts thereof
    • B41F35/005—Cleaning arrangements or devices for screen printers or parts thereof for flat screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/23—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices

Definitions

  • the present invention relates to a machine for the degreasing of the tissue screens used in the field of screen printing.
  • the object of the present invention is to remedy these disadvantages by proposing a washing machine to improve the working conditions of operators and unclogging screens by removing including so-called "ghost" images.
  • the screen cleaning machine screen printing according to the invention is essentially characterized in that it consists of a sealed enclosure containing at least one degravation station of at least one screen printing screen, holding means allowing maintain said screen vertically, possibly means for axially displacing the latter, said release station comprising two release supports each equipped with a rotary brush associated with means spraying detergents and means of rinsing water spray, said supports being adapted on the one hand to be arranged on both sides said screen and secondly to be able to brush and spray the entire surface of the latter's canvas.
  • the plates of release are movable in vertical translation and are adjustable in spacing relative to the screen fabric.
  • the supports for degravage means are integral with a mobile column in horizontal translation transversely, and in which the plates are movable in vertical translation.
  • a means support degreasing system has three spray nozzles detergents, preferably integrated in the brush level of its axis of rotation, a spray nozzle rinsing water under high pressure can advantageously be movable in translation perpendicular to the canvas the screen so as to position itself at a distance appropriate of the latter, said nozzle being able, by example, be secured to the end of the rod of a cylinder.
  • the machine has a storage room for washed screens.
  • the machine according to the present invention can further include blowing means for drying fabrics consisting for example of a vertical ramp fitted with nozzles connected to a compressed air supply, said ramp being movable in horizontal translation along said screen to be dried and spaced from it latest.
  • blowing means for drying fabrics consisting for example of a vertical ramp fitted with nozzles connected to a compressed air supply, said ramp being movable in horizontal translation along said screen to be dried and spaced from it latest.
  • Brushes whose axis of rotation is perpendicular to the canvas, can advantageously be mounted on an elastic pressure system allowing to obtain a good support of the brush on said canvas during brushing.
  • these consist of a mobile trolley with an L-shaped frame on the one hand mounted on casters and having tabs allowing maintain the screen vertically in said frame, and on the other hand a shoe capable of being moved on the branch horizontal of L able to receive and keep blocked the screen in said frame.
  • the screen screen stripping machine consists of a sealed enclosure 1 of rectangular shape comprising on the one hand at the front of the doors 10 for loading and unloading screens and at rear door 10 'for breakdown access, and other share a control desk 11 integrating a program of management of washing and drying processes, and pumps high pressure 12 for spraying rinse water and air for drying screens.
  • Enclosure 1 contains, as we can see on Figure 2 on the one hand the release means 2 at least a screen 13, which washing means are integrated in a washing column 2 'and on the other hand means for hold 3 to hold the screens vertically 13, consisting of a frame 14 and a fabric canvas 15 intended to be unraveled, and to move them longitudinally in enclosure 1.
  • the means 3 for holding the screens 13 have an L-shaped support frame 30 in which is placed a screen 13 held by cleats 31, which frame support 30 is mounted on rolling means 300 rolling in a guide rail 301 and is moved in movement thanks to a metal chain 302 driven by a toothed pulley 303, of which only the axis 304 of the drive motor is represented.
  • the release means 2 of a screen screen printing 13 are supported by two support plates 20 located on either side of the screen 13, parallel to this last, and each provided with a rotary brush 21 of which the axis of rotation is perpendicular to the screen 13, three washing spray nozzles integrated in each brush 21 at the axis of rotation, and a nozzle 22 for high pressure water spraying connected to a high pressure pump 12.
  • the high water spray nozzle 22 pressure is secured to the end of a rod 23 'of so that it can be positioned as close as possible to the canvas 15 of screen 13.
  • the plates 20 are associated with means 24 allowing to move these in translation vertical, which means 24 consist of rods vertical 24 'on which are slidably mounted plates 2 driven in translation using a chain 25 made of a metallic material 25 such as stainless steel to resist, unlike a belt in plastic, washing chemicals, driven by a motor 26, via pinions 26 'toothed also in stainless steel, the pinions located at of plate 2 not being visible.
  • means 24 consist of rods vertical 24 'on which are slidably mounted plates 2 driven in translation using a chain 25 made of a metallic material 25 such as stainless steel to resist, unlike a belt in plastic, washing chemicals, driven by a motor 26, via pinions 26 'toothed also in stainless steel, the pinions located at of plate 2 not being visible.
  • the displacement of the plates 20 in vertical translation and displacement of the screens 13 parallel to these allows to wash all the surface of the fabric 15 of the screen 13 on its two faces.
  • the brushing and spraying detergents and water under high pressure will preferably be done by bottom up and vice versa, by moving column 2 ' transversely so as to present a plate 20 to proximity of the fabric 15 to degrade one of its faces then moving column 2 'in the opposite direction to degrade the other side.
  • Regular brushing of the tissue canvas 15 on both sides with the projection of a product of washing in the axis of the brush allows to obtain a high cleaning efficiency, in particular by eliminating so-called "ghost" images.
  • the spray nozzle 22 for spraying washing is connected, via conduits not shown and solenoid valves, to tanks 40, 41 and 42 each containing a specific detergent.
  • Each tank 40, 41 and 42 is associated with a regulator of pressure, not shown.
  • a screen 13 is locked in position in support frame 30, thanks to a shoe 32 adjustable in position on the branch horizontal 33 of L by introducing a lug 34 of shoe 32 in one of the holes 35 made in the branch 33, at proximity of the free vertical edge 16 of the screen frame 14 13, which shoe 32 is provided with a knurled nut 36 intended to moderately screwed a rod 37 against the free edge 16 of the screen 13 to block it in the support 30. It is thus possible to wedge in position in the support frame 30 of screens 13,13 'of various dimensions.
  • a shim 27 such as a ring, is interposed between the brush 21 and its support 28 for securing to the washing plate 20, the change of shim 27 being effected by dismantling the brush 21 of its support 28 secured to the latter by three screws 29.
  • Adjusting the frame movement support 3 of a screen 13, depending on the length of this last, can be performed, as can be seen on the Figure 5, using a sensor 6 at the start and end of race consisting of two stops 60 and 60 'integral with the support frame 3, adjustable in spacing according to the frame length, each with two sides beveled 61 and 61 'respectively, one of which is intended coming into contact with a contactor 62, secured to the column 2 ', recording the start or end position of the travel of the support frame 3 and therefore, so relative, degravage means 2, and in particular brushes.
  • the drying process of the fabric 15 the screen 13 is produced by means of a vertical ramp, not shown, fitted with nozzles connected to the air supply compressed 12, said ramp being movable in spacing by compared to the fabric 15 thanks to a jack.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP00440048A 2000-02-18 2000-02-18 Maschine zum Reinigen von Sieben, die beim Siebdruck verwendet werden Withdrawn EP1127691A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00440048A EP1127691A1 (de) 2000-02-18 2000-02-18 Maschine zum Reinigen von Sieben, die beim Siebdruck verwendet werden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00440048A EP1127691A1 (de) 2000-02-18 2000-02-18 Maschine zum Reinigen von Sieben, die beim Siebdruck verwendet werden

Publications (1)

Publication Number Publication Date
EP1127691A1 true EP1127691A1 (de) 2001-08-29

Family

ID=8174098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00440048A Withdrawn EP1127691A1 (de) 2000-02-18 2000-02-18 Maschine zum Reinigen von Sieben, die beim Siebdruck verwendet werden

Country Status (1)

Country Link
EP (1) EP1127691A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102397847A (zh) * 2010-09-10 2012-04-04 李世武 一种网版污渍清洗机
CN109454975A (zh) * 2018-12-17 2019-03-12 昆山恒盛电子有限公司 一种太阳能网版的脱脂装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460779A1 (de) * 1963-03-26 1970-02-19 Erich Kaelin Verfahren zum Waschen und Trocknen von Filmdruckschablonen und Einrichtung zur Durchfuehrung des Verfahrens
FR2669906A1 (fr) * 1990-11-29 1992-06-05 Cartier Jean Pierre Dispositif pour transporter des ecrans de serigraphie sur une ligne de lavage et de degravage.
DE4229668A1 (de) * 1992-09-04 1994-03-10 Werner Vidoni Verfahren und Maschine zur Reinigung von Drucksieben
DE19605058A1 (de) * 1996-02-12 1997-08-14 Ibg Monforts Gmbh & Co Waschmaschine zum Reinigen von Schablonen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460779A1 (de) * 1963-03-26 1970-02-19 Erich Kaelin Verfahren zum Waschen und Trocknen von Filmdruckschablonen und Einrichtung zur Durchfuehrung des Verfahrens
FR2669906A1 (fr) * 1990-11-29 1992-06-05 Cartier Jean Pierre Dispositif pour transporter des ecrans de serigraphie sur une ligne de lavage et de degravage.
DE4229668A1 (de) * 1992-09-04 1994-03-10 Werner Vidoni Verfahren und Maschine zur Reinigung von Drucksieben
DE19605058A1 (de) * 1996-02-12 1997-08-14 Ibg Monforts Gmbh & Co Waschmaschine zum Reinigen von Schablonen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Automatisches Siebwaschen und Destillieren von Lösemitteln", DEUTSCHER DRUCKER (SIEBDRUCK-PRAXIS), 1989, pages 19 - 21, XP000068370 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102397847A (zh) * 2010-09-10 2012-04-04 李世武 一种网版污渍清洗机
CN102397847B (zh) * 2010-09-10 2013-08-14 李世武 一种网版污渍清洗机
CN109454975A (zh) * 2018-12-17 2019-03-12 昆山恒盛电子有限公司 一种太阳能网版的脱脂装置
CN109454975B (zh) * 2018-12-17 2024-02-02 昆山恒盛电子有限公司 一种太阳能网版的脱脂装置

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