EP0919376A2 - Palier pour un pochoir sérigraphique à cylindre - Google Patents

Palier pour un pochoir sérigraphique à cylindre Download PDF

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Publication number
EP0919376A2
EP0919376A2 EP98117853A EP98117853A EP0919376A2 EP 0919376 A2 EP0919376 A2 EP 0919376A2 EP 98117853 A EP98117853 A EP 98117853A EP 98117853 A EP98117853 A EP 98117853A EP 0919376 A2 EP0919376 A2 EP 0919376A2
Authority
EP
European Patent Office
Prior art keywords
bearing
bearing shell
screen printing
shell
sealing surfaces
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Withdrawn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
EP98117853A
Other languages
German (de)
English (en)
Other versions
EP0919376A3 (fr
Inventor
Alexander Lintner
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.)
MHM SALES & SERVICES
Original Assignee
Mhm Sales & Services
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
Priority claimed from DE29720975U external-priority patent/DE29720975U1/de
Application filed by Mhm Sales & Services filed Critical Mhm Sales & Services
Publication of EP0919376A2 publication Critical patent/EP0919376A2/fr
Publication of EP0919376A3 publication Critical patent/EP0919376A3/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Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression cylinders

Definitions

  • the invention relates to a bearing device for a cylindrical Screen printing template of a rotary printing machine according to the preamble of claim 1.
  • Such a bearing device comprises an inner bearing shell, which can be rotatably connected to the screen printing stencil is an outer bearing shell, which rotatably with a Frame of the rotary screen printing machine is connectable and surrounds the inner bearing shell, as well as a storage facility, which is the inner bearing shell relative to the outer bearing shell is rotatably mounted on this.
  • the invention has for its object to provide a storage device for a cylindrical screen printing stencil of a rotary screen printing machine, which allows cleaning without an essential impairment or damage to the storage device even with an open storage and ensures a permanent and largely trouble-free printing operation.
  • the invention is characterized in that the inner Bearing shell axially displaceable relative to the outer bearing shell is arranged that axially on both sides of the Storage facility on the inner bearing shell and the outer Bearing shell sealing surfaces are formed, which in a Operating position in pairs opposite and in one defined axial distance from each other, and that a tensioning device is provided, through which the inner bearing shell and the outer bearing shell from the operating position is axially displaceable into a rest position, in which the opposite sealing surfaces are close together lie and the storage facility from the inner Bearing shell and the outer bearing shell enclosed on all sides is.
  • the screen printing template becomes too Removed cleaning purposes and thereby on the screen printing stencil and the tensile stress acting on the bearing devices lifted, the two bearing shells become one Bearing device against each other by the clamping device postponed.
  • the gap in operation between the Both bearing shells are at least on defined sealing surfaces closed.
  • the storage facility which a Radial and / or axial bearings with rolling elements or sliding surfaces can be on all sides in this closed position surrounded by the bearing shells. A cleaning liquid, Color residues or other media can be found in this sealed, closed position not in the storage device penetrate to the radial bearing.
  • a particularly good seal in the rest position achieved in that at least one of the sealing surfaces an elastic sealing element is arranged.
  • an elastic sealing element For example can an O-ring seal in a groove in one of the opposite sealing surfaces.
  • Continue could have an elastic flat gasket on at least one of the two opposing sealing surfaces arranged in pairs be.
  • the opposite sealing surfaces are radial are directed.
  • the sealing surfaces annular and perpendicular to an axis of rotation educated.
  • An alternative embodiment of the invention consists in that the opposite sealing surfaces in the circumferential direction run and are cylindrical and that the Diameter of the opposite cylindrical surfaces form a slight interference fit. With this arrangement can a particularly compact bearing device in the axial direction can be achieved.
  • Another alternative embodiment is that the opposite sealing surfaces oblique to a central axis are arranged at an angle, which in particular is between 30 ° and 60 °. At this tapered or frustoconical formation of the sealing sections with the sealing surfaces an additional centering of the both cups can be achieved in the rest position.
  • the tensioning device provided according to the invention can basically by any suitable non-contact power transmission element be executed.
  • an axial displacement of the two bearing shells in the Rest position through an overpressure or underpressure device conceivable.
  • the Clamping device has at least one magnetic element, which for axial displacement and sealing closing the bearing shells on the inner bearing shell or the outer bearing shell is arranged.
  • a magnetic element can be a magnetic ring or individual so-called magnetic pills made of a permanent magnetic material on one of the two Bearing shells can be arranged.
  • the one opposite the magnetic element The area of the other bearing shell is off made of a magnetizable material so that a magnetic attraction between the two bearing shells results.
  • FIG. 1 A schematic structure of a rotary screen printing machine 10 with a tensioned between two main rollers 11 and 12 Conveyor belt 13 is shown in FIG. 1. Via a roller drive 14, the conveyor belt 13 is set in motion a substrate to be printed in an area below to transport cylindrical screen printing stencils 15.
  • the individual screen printing stencils 15 are on a not shown Frame or a base of the rotary screen printing machine 10 rotatably mounted and also not shown drives can be set in rotation.
  • each screen printing stencil 15 has its two Ends of a bearing device with a radial bearing, which in turn in a bearing block or a bearing is arranged. At least one of the two on the side Bearing block is axial to an axis of rotation 16 of the screen printing template 15 slidable to by applying a Tension the thin-walled cylinder jacket during the To stiffen the printing company.
  • the bearing device 20 comprises a radial bearing as one Bearing device 21, which is between an inner bearing shell 22 and an outer shell 23 is arranged.
  • the inner bearing shell 22 is essentially cylindrical about an axis of rotation 40 with an inner through opening 24 and an external toothing 25 on an annular Flange 26 formed.
  • the external toothing 25 serves for transferring a drive torque from a template drive on the screen printing stencil using a Connection device, not shown, which on the inner bearing shell 22 on the side of the annular flange 26 is arranged.
  • the radial bearing is with his inner bearing ring rotatably on a radially protruding Paragraph 27 attached.
  • the outer ring of the radial bearing is axially displaceable on a bearing surface 28 of the outer Bearing rings 23 arranged.
  • the outer bearing ring 23 is by means of a centering groove 29 firmly attached to a bearing block, which in turn is rigid with the frame of the rotary screen printing machine connected is.
  • the outer bearing shell 23 constructed from two ring-shaped elements, a first, in Cross section approximately U-shaped element 30 and a second in Cross section approximately L-shaped element 31.
  • a modified bearing device 20a is shown in FIG. 3.
  • the basic structure of the bearing device 20a corresponds to that which was described in Fig. 2, so that below only on the modified components Statement is made.
  • both the sealing surfaces 34a and 36a on the outer bearing shell 23a as well as the sealing surfaces 35a and 37a on the inner Bearing shell 22a formed cylindrically in the circumferential direction.
  • the Diameter of the opposite sealing surface pairs as molded a slight interference fit.
  • FIG. 4 Another alternative storage device 20b according to FIG. 4 is with inclined or conical sealing surfaces 34b, 35b, 36b, 37b. In the rest position shown are the correspondingly trained Sealing surfaces 34b, 35b and 36b, 37b on one another without a gap, to hermetically seal the bearing device 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Screen Printers (AREA)
EP98117853A 1997-11-26 1998-09-21 Palier pour un pochoir sérigraphique à cylindre Withdrawn EP0919376A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29720975U DE29720975U1 (de) 1997-11-26 1997-11-26 Lagervorrichtung für eine zylindrische Siebdruckschablone
DE29720975U 1997-11-26
DE29721365U 1997-12-03
DE29721365U DE29721365U1 (de) 1997-11-26 1997-12-03 Lagervorrichtung für eine zylindrische Siebdruckschablone

Publications (2)

Publication Number Publication Date
EP0919376A2 true EP0919376A2 (fr) 1999-06-02
EP0919376A3 EP0919376A3 (fr) 2000-02-23

Family

ID=26060943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117853A Withdrawn EP0919376A3 (fr) 1997-11-26 1998-09-21 Palier pour un pochoir sérigraphique à cylindre

Country Status (1)

Country Link
EP (1) EP0919376A3 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447219A (de) * 1966-02-04 1967-11-30 Stork & Co Nv Rotationsfilmdruckmaschine
DE1761462A1 (de) * 1967-05-26 1971-06-16 Zimmer Johannes Einrichtung an Schablonendruckmaschinen
US3837277A (en) * 1972-08-25 1974-09-24 Precision Screen Machines Fluid self-balancing rotary screen tensioning mount
DE2456392A1 (de) * 1973-12-28 1975-07-03 Peter Zimmer Einrichtung zur reinigung einer siebdruck- und rotationsschablone
DE2629503A1 (de) * 1975-08-12 1977-02-24 Alsacienne Constr Meca Einrichtung zum raschen befestigen einer druckschablone auf einer rotationsdruckmaschine
US4128056A (en) * 1974-07-02 1978-12-05 Stork Brabant B.V. Plastically deformable, inelastic stencil end ring connection
DE2939869A1 (de) * 1979-10-02 1981-04-23 Saueressig Gmbh, 4422 Ahaus Druckmaschine zum mehrfabrigen bedrucken einer durchlaufenden warenbahn
US4280405A (en) * 1979-09-27 1981-07-28 Peterzimmer America, Inc. Assembly for supporting printing screen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447219A (de) * 1966-02-04 1967-11-30 Stork & Co Nv Rotationsfilmdruckmaschine
DE1761462A1 (de) * 1967-05-26 1971-06-16 Zimmer Johannes Einrichtung an Schablonendruckmaschinen
US3837277A (en) * 1972-08-25 1974-09-24 Precision Screen Machines Fluid self-balancing rotary screen tensioning mount
DE2456392A1 (de) * 1973-12-28 1975-07-03 Peter Zimmer Einrichtung zur reinigung einer siebdruck- und rotationsschablone
US4128056A (en) * 1974-07-02 1978-12-05 Stork Brabant B.V. Plastically deformable, inelastic stencil end ring connection
DE2629503A1 (de) * 1975-08-12 1977-02-24 Alsacienne Constr Meca Einrichtung zum raschen befestigen einer druckschablone auf einer rotationsdruckmaschine
US4280405A (en) * 1979-09-27 1981-07-28 Peterzimmer America, Inc. Assembly for supporting printing screen
DE2939869A1 (de) * 1979-10-02 1981-04-23 Saueressig Gmbh, 4422 Ahaus Druckmaschine zum mehrfabrigen bedrucken einer durchlaufenden warenbahn

Also Published As

Publication number Publication date
EP0919376A3 (fr) 2000-02-23

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