EP2792487A1 - Tamis de sérigraphie rotative, dispositif de montage, dispositif de revetement, dispositif d'éclairage et dispositif de lavage doté d'une fermeture de serrage rapide - Google Patents

Tamis de sérigraphie rotative, dispositif de montage, dispositif de revetement, dispositif d'éclairage et dispositif de lavage doté d'une fermeture de serrage rapide Download PDF

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Publication number
EP2792487A1
EP2792487A1 EP20140163481 EP14163481A EP2792487A1 EP 2792487 A1 EP2792487 A1 EP 2792487A1 EP 20140163481 EP20140163481 EP 20140163481 EP 14163481 A EP14163481 A EP 14163481A EP 2792487 A1 EP2792487 A1 EP 2792487A1
Authority
EP
European Patent Office
Prior art keywords
ring
receiving plate
sleeve
rotary screen
screen
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Withdrawn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
EP20140163481
Other languages
German (de)
English (en)
Inventor
Heinz Brocker
Martin Lehner
Martin Muina
Stefan Zellweger
Hans-Rudolf Frick
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.)
Gallus Ferd Rueesch AG
Original Assignee
Gallus Ferd Rueesch 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 Gallus Ferd Rueesch AG filed Critical Gallus Ferd Rueesch AG
Publication of EP2792487A1 publication Critical patent/EP2792487A1/fr
Withdrawn legal-status Critical Current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
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/38—Screens, Frames; Holders therefor curved

Definitions

  • the invention relates to a rotary screen with the preamble features of claim 1, a mounting device with the preamble features of claim 9, a washing device with the preamble features of claim 10, a coating device with the preamble features of claim 11 and an exposure device with the above-mentioned features of Claim 12.
  • the ink is known to be transported through the screen by the hydrodynamic pressure which arises in the rotation of the screen and in the presence of a doctor blade in front of the doctor blade.
  • a rotary screen printing unit is for example in the WO 99 / 19146A1 described.
  • Rotary screens used in such printing units usually consist of a screen fabric shaped into a cylinder, which is provided at its two ends with an end ring.
  • the installation of the screen fabric on the end rings is done with the help of mounting devices, such as those from the DE 35 25 795 T1 or the DE 689 02 168 T2 are known.
  • the object of the present invention is therefore to provide a rotary screen and a mounting device and a washing device and an exposure device, which reduce the disadvantages of the prior art and allow easier handling.
  • the rotary screen of the invention has a sleeve-shaped screen structure with at least one receiving device, preferably two receiving devices for the screen structure, wherein the respective receiving device has a first ring whose outer diameter corresponds approximately to the inner diameter of the sleeve-shaped screen structure and which is connected to the sleeve-shaped screen structure, in particular cohesively, For example, by gluing and / or non-positively, and a second ring which is detachably connected to the first ring and the drive of the Rotary screen is used.
  • the outer diameter of the second ring is approximately the same size as the inner diameter of the first ring and in the second ring are at least two, preferably three clamping elements integrated for temporarily connecting the first and the second ring, wherein a respective clamping element in an active Position beyond the inner diameter of the first ring also protrudes and is in engagement with the first ring.
  • the inner diameter of a respective first ring is independent of the required printing length of the rotary screen and thus independent of the outer diameter of the first ring and has a independent, uniform value, which corresponds approximately to the also uniform outer diameter of the second ring.
  • the outer diameter of the second ring which is used for sleeve-shaped screen structures of different orders and thus different required pressure lengths, forms the reference for the inner diameter of a respective first ring.
  • a respective second ring is provided with a substantially cylindrical drive pin or drive flange or drive wheel, in particular gear, which in particular is adapted for the specific configuration of a printing unit drive of a screen printing unit in which the rotary screen is used.
  • a respective clamping element for connecting each second and first ring is designed as a rotatable clamping disk and provided in particular for applying the rotational movement with a hexagon.
  • the first ring may have on its inner circumferential surface a groove and engage a respective clamping disc in its active position in this groove.
  • Nut means here also an undercut or an undercut in the first ring.
  • a respective clamping disk has a partial area with a reduced outside diameter.
  • the clamping disc can be made circular and be removed for the reduced outer diameter, a circular section on the clamping disc.
  • the clamping disc has a rotational position in which it does not engage in the groove of the first ring and the second ring can be released from the first ring.
  • the remaining circular portion of the clamping disc may be configured such that its thickness increases, ie is provided with a slope, so that upon further rotation of the clamping disc this engages in the groove of the first ring and increasingly clamped or pressed.
  • the respective clamping element can be designed as a rocker arm, as a displaceable clamping wedge or as a ball fixation. All variants have in common that the clamping elements remain connected to the second ring and that they are easy to operate.
  • the first ring has at least one positioning pin, wherein the positioning pin is raised with respect to the inner lateral surface of the first ring and the second ring each has a recess complementary to the at least one positioning pin such that a respective one Positioning pin and a respective recess engage with each other for positioning the angular position of the first and second ring to each other.
  • the positioning pin can also be integrated in the second ring.
  • the invention also relates to various processing devices for such rotary screen printing screens: a mounting device, washing device, coating device and exposure device.
  • the invention also relates to a mounting device which is suitable for mounting a rotary screen as described above from a sleeve-shaped screen structure, wherein the mounting device has two parallel aligned receiving plate, and wherein the receiving plates are attached to a variable-length column for adjusting the distance between the support plates.
  • a first ring can be received by a respective receiving plate, the outer diameter of which corresponds approximately to the diameter of a sleeve-shaped screen structure.
  • the outer diameter of a respective receiving plate corresponds approximately to the inner diameter of the first ring.
  • a respective receiving plate at least two, preferably three clamping elements are integrated for temporary connection of a respective receiving plate and a respective first ring, wherein a respective clamping element protrudes in an active position on the inner diameter of the first ring and into engagement with the first ring is.
  • a respective clamping element can be designed as described above.
  • the invention also relates to a washing device which is suitable for a rotary screen printing screen, as described above, for washing a sleeve-shaped screen structure, wherein the washing device has at least one receiving plate.
  • a first ring can be received by the receiving plate, which is connected at its outer diameter with a sleeve-shaped screen structure.
  • the outer diameter of the receiving plate corresponds approximately to the inner diameter of the first ring, wherein advantageously in the receiving plate at least two, preferably three clamping elements are integrated for temporary connection of the receiving plate and a first ring, wherein a respective clamping element in an active position on the inner diameter protrudes from the first ring and is in engagement with the first ring.
  • a respective clamping element can be designed as described above.
  • the invention also relates to a coating apparatus which is suitable for a rotary screen printing screen as described above for coating a sleeve-shaped screen structure, wherein the device has at least one receiving plate.
  • a first ring can be received by the receiving plate, which is connected at its outer diameter with a sleeve-shaped screen structure.
  • the outer diameter of the receiving plate corresponds approximately to the inner diameter of the first ring, wherein advantageously in the receiving plate at least two, preferably three clamping elements are integrated for temporary connection of the receiving plate and a first ring, wherein a respective clamping element in an active position on the inner diameter protrudes from the first ring and is in engagement with the first ring.
  • a respective clamping element can be designed as described above.
  • the invention also relates to an exposure apparatus which is suitable for a rotary screen as described above, for exposing a sleeve-shaped screen structure, wherein the device has at least one receiving plate.
  • a first ring can be received by the receiving plate, which is connected at its outer diameter with a sleeve-shaped screen structure.
  • the outer diameter of the receiving plate corresponds approximately to the inner diameter of the first ring, wherein advantageously in the receiving plate at least two, preferably three clamping elements are integrated for temporary connection of the receiving plate and a first ring, wherein a respective clamping element in an active position on the inner diameter protrudes from the first ring and is in engagement with the first ring.
  • a respective clamping element can be designed as described above.
  • FIG. 1 a second ring 4 is shown in a three-dimensional view.
  • the second ring 4 has three clamping elements 5, two of which can be seen in the view.
  • the second ring In its outer circumferential surface, the second ring has a recess 14.
  • the second ring 4 is connected to a first ring 3 of larger diameter.
  • the first ring 3 is provided with a positioning pin 13 which can engage in the recess 14 of the second ring 4.
  • the so positioned relative to each other in their angular position rings 3, 4 are connected to each other by means of the clamping elements 5.
  • the clamping elements 5 as in the detailed representation of Figure 2c can be seen as clamping disks 8 executed.
  • a respective clamping disc 8 is connected via a press fit 10 with a hexagon socket 9, about which a respective clamping disc 8 can be rotated.
  • a respective clamping disc 8 can engage in a groove 11 in the first ring 3.
  • the groove 11 of the first ring 3 is executed in the illustrated embodiment as an undercut. How out FIG. 2a can be seen, a respective clamping plate 8 has a portion 12 with reduced diameter. While the two upper clamping discs 8 are in a rotational position in which they engage in the groove 11, the lower clamping disc 8 is in a rotational position in which it does not engage in the groove 11. If all clamping discs 8 are rotated in such a rotational position, the first ring 3 and second ring 4 can be separated from each other.
  • a spring washer 15 is provided between a respective clamping disc 8 and its bearing surface in the second ring 4.
  • a respective rotary screen printing screen 1 consists of a sleeve-shaped screen structure 2 in which a first ring 3 is inserted at both ends.
  • a respective first ring 3 and the sleeve-shaped screen structure 2 are firmly connected to each other and are glued together.
  • a respective first ring 3 engages in each case a second ring 4, which, as shown in the FIGS. 2a to c described, is connected by means of clamping elements 5 with the first ring 3.
  • the first ring 3 in each case has an outer diameter d1, which corresponds approximately to the diameter of the sleeve-shaped screen structure 2.
  • the inner diameter d2 of the first ring 3 is approximately the same size as the outer diameter d3 of the second ring 4. This makes it possible for a respective first ring 3 to be mounted on a uniform second ring 4 independently of its variable, application-dependent outer diameter d1. While in the FIGS. 3a and b a rotary screen printing screen 1 with a lower printing length and thus smaller outer diameter d1 of the first ring 3 is shown, show the FIGS.
  • FIGS. 4a and b two rotary screen printing screens 1 are shown, which each have the same outer diameter d1 and the same printing width b1.
  • a respective second ring 4 has a different configuration:
  • the drive flanges 6, 7 are formed depending on the requirements or the design of the drive of a respective rotary screen printing unit in which the rotary screen printing screen 1 is to be used.
  • FIG. 5 shows a mounting device 20 for mounting two first rings 3 in a sleeve-shaped screen structure 2.
  • the mounting device 20 has two receiving plate 21, which are mounted on a variable-length column 22. Due to the length variability of the column 22 sleeve-shaped screen structures 2 can be provided with different pressure width b1 with first rings 3.
  • the two first rings 3 are inserted into the receiving plate 21 of the mounting device 20.
  • a respective receiving plate 21 preferably has three clamping elements 23. By the actuation thereof, a respective first ring can be clamped to the receiving plate 21.
  • the clamping elements 23 may be designed as clamping disks 8 - as described above.
  • a washing device 30 for washing rotary screen printing screens 1 after their use.
  • the washing device 30 has for this purpose at least one receiving plate 31, in which a unit of sleeve-shaped screen structure 2 and first rings 3 can be hung.
  • a first ring 3 fixedly connected to the receiving plate 31 and the unit of sleeve-shaped screen structure 2 and first rings 3 are fixed in the washing device 30.
  • the washing device 30 has two nozzle strips 34, one of the nozzle strips 34 acting from the inside and the other nozzle strip 34 from the outside to the sleeve-shaped screen structure 2.
  • the washing device 30 has a device 32 for rotating the unit of sleeve-shaped screen structure 2 and first rings 3.
  • the nozzle strips 34 can remain so unmoved and act on the entire peripheral surface of the sleeve-shaped screen structure 2.
  • the clamping elements 33 can be designed as clamping disks 8 - as described above.
  • rotary screen printing screens 1 with uniformly shaped interfaces through the first rings 3 and uniformly designed clamping elements 5 over the entire process of screen printing comprising prepress (mounting the screen 2), pressing (picking up the screen 2 in the printing unit) and postpress ( Cleaning the screen 2) the machine operator is offered a particularly easy-to-handle system.
  • the use of rotary screen printing screens 1 with uniformly designed interfaces of first rings 3 and uniformly shaped clamping elements 5 in the prepress can also extend to devices for round coating, for round exposure and for round development.
  • an easy handling can be achieved:
  • a coating device 40 and an exposure device 50 are shown, which have an analogous structure to the devices according to FIG Fig. 5 and 6 exhibit.
  • a photosensitive coating is applied to a screen structure 2 with the device 50 according to Fig. 7b
  • the coating is exposed, ie imaged and in a third step the exposed coating is developed.
  • a device with a structure similar to the washing device 30 can be used.
  • the coating device 40 As in Fig. 7a represented, the coating device 40 according to the invention comprises two receiving plates 41, which are each equipped with clamping elements 43. These each receive an adapter ring 45. Between the two adapter rings 45 a screen structure 2 is held. A round coating ring 46 filled with coating liquid can be moved along the screen structure 2 in the direction of the arrow, with a coating being applied.
  • the exposure device 50 which is designed as a CtP imagesetter, erfmdungswash two receiving plate 41, which are each equipped with clamping elements 43.
  • a screen structure 2 to be exposed is held.
  • the screen structure is rotated by means of a rotary drive 44.
  • a device similar to the washing device 30 can be used, wherein a suitable de-coating agent must be used. Subsequently, a screen structure 2 can be recoated and exposed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
EP20140163481 2013-04-18 2014-04-04 Tamis de sérigraphie rotative, dispositif de montage, dispositif de revetement, dispositif d'éclairage et dispositif de lavage doté d'une fermeture de serrage rapide Withdrawn EP2792487A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013006698.0A DE102013006698A1 (de) 2013-04-18 2013-04-18 Rotationssiebdrucksieb, Montagevorrichtung, Belichtungsvorrichtung und Waschvorrichtung mit Schnellverschluss

Publications (1)

Publication Number Publication Date
EP2792487A1 true EP2792487A1 (fr) 2014-10-22

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EP20140163481 Withdrawn EP2792487A1 (fr) 2013-04-18 2014-04-04 Tamis de sérigraphie rotative, dispositif de montage, dispositif de revetement, dispositif d'éclairage et dispositif de lavage doté d'une fermeture de serrage rapide

Country Status (2)

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EP (1) EP2792487A1 (fr)
DE (1) DE102013006698A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108437615A (zh) * 2018-05-25 2018-08-24 广东壹晨科技有限公司 包装纸生产线圆网印刷单元

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108407462B (zh) * 2018-03-23 2023-06-06 郑州华美彩印纸品有限公司 一种用于印刷辊表面清洁的装置
CN108407463B (zh) * 2018-03-23 2023-09-26 唐山富达印务有限公司 一种可适用于多种型号印刷辊的清理装置
CN108839427A (zh) * 2018-07-14 2018-11-20 芜湖市华美工艺包装有限公司 一种印刷机印刷物固定装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1785272A1 (de) * 1967-09-26 1972-02-17 Buser Ag Maschf Fritz Rotationsfilmdruckmaschine
DE2637229A1 (de) * 1975-09-08 1977-03-17 Johannes Zimmer Einrichtung an schablonendruckmaschinen zur auswechselbaren aufnahme und zum laengsspannen von rundschablonen
WO1985003672A1 (fr) * 1984-02-21 1985-08-29 Lockwood Technical, Inc. Appareil d'impression sur ecran rotatif
DE3525795C1 (de) 1985-07-19 1987-02-26 Rueesch Ferd Ag Vorrichtung zur Schablonen-Endring-Montage von Siebdruckzylindern
EP0338612A1 (fr) * 1988-04-16 1989-10-25 Stork X-Cel B.V. Procédé et appareil pour la fabrication de stencils pour l'impression rotative sérigraphique
WO1999019146A1 (fr) 1997-10-14 1999-04-22 Gallus Ferd. Rüesch AG Groupe de serigraphie
EP2347900A1 (fr) 2010-01-18 2011-07-27 Stork Prints America, Inc. Anneau composé pour pochoir rotatif et procédé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6910510A (fr) * 1969-07-09 1971-01-12
AT382821B (de) * 1983-08-04 1987-04-10 Zimmer Johannes Rundschablonen-druckmaschine
AT395694B (de) * 1991-09-17 1993-02-25 Zimmer Maschinenbau Gmbh Schablonenaufnahme fuer rundschablonen
IT1280075B1 (it) * 1995-07-06 1997-12-29 Omis Due Spa Macchina serigrafica con retino cilindrico rotante

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1785272A1 (de) * 1967-09-26 1972-02-17 Buser Ag Maschf Fritz Rotationsfilmdruckmaschine
DE2637229A1 (de) * 1975-09-08 1977-03-17 Johannes Zimmer Einrichtung an schablonendruckmaschinen zur auswechselbaren aufnahme und zum laengsspannen von rundschablonen
WO1985003672A1 (fr) * 1984-02-21 1985-08-29 Lockwood Technical, Inc. Appareil d'impression sur ecran rotatif
DE3525795C1 (de) 1985-07-19 1987-02-26 Rueesch Ferd Ag Vorrichtung zur Schablonen-Endring-Montage von Siebdruckzylindern
EP0338612A1 (fr) * 1988-04-16 1989-10-25 Stork X-Cel B.V. Procédé et appareil pour la fabrication de stencils pour l'impression rotative sérigraphique
DE68902168T2 (de) 1988-04-16 1992-12-17 Stork X Cel Bv Vorrichtung und verfahren zum herstellen einer rotationssiebdruckschablone.
WO1999019146A1 (fr) 1997-10-14 1999-04-22 Gallus Ferd. Rüesch AG Groupe de serigraphie
EP2347900A1 (fr) 2010-01-18 2011-07-27 Stork Prints America, Inc. Anneau composé pour pochoir rotatif et procédé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108437615A (zh) * 2018-05-25 2018-08-24 广东壹晨科技有限公司 包装纸生产线圆网印刷单元

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