EP1384582B1 - Dispositif pour manipuler des manchons sur des cylindres de machine d'impression - Google Patents

Dispositif pour manipuler des manchons sur des cylindres de machine d'impression Download PDF

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Publication number
EP1384582B1
EP1384582B1 EP03016374A EP03016374A EP1384582B1 EP 1384582 B1 EP1384582 B1 EP 1384582B1 EP 03016374 A EP03016374 A EP 03016374A EP 03016374 A EP03016374 A EP 03016374A EP 1384582 B1 EP1384582 B1 EP 1384582B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
receiving element
printing
cylinder
slot
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
EP03016374A
Other languages
German (de)
English (en)
Other versions
EP1384582A2 (fr
EP1384582A3 (fr
Inventor
Josef Göttling
Thomas Hartmann
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1384582A2 publication Critical patent/EP1384582A2/fr
Publication of EP1384582A3 publication Critical patent/EP1384582A3/fr
Application granted granted Critical
Publication of EP1384582B1 publication Critical patent/EP1384582B1/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
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes

Definitions

  • the invention relates to a device for handling sleeves on cylinders of printing presses according to the preamble of patent claim 1.
  • a device for handling sleeves on cylinders which shifts printing forme sleeves or rubber-coated sleeves on the free end of cantilevered printing cylinder.
  • a sleeve detection system is provided on the corresponding printing cylinder, which detects the surface of the sleeve with a guide element at a predeterminable axial position frictionally and shifts the sleeve by means of a pneumatic cylinder on the printing cylinder in the axial direction.
  • disassembly pieces are known which comprise a sleeve annular and can be clamped with clamping means around the sleeve.
  • One of the dismantling pieces is designed in the form of an open ring, the its opposite ends is provided with tabs, which can be contracted with a screw so that the annular part clamped around the sleeve.
  • Another embodiment shows an annular disassembly piece, which is divided into two separate halves, between which the sleeve is clamped. On the two halves gripping pieces are provided, act on which springs or pneumatic cylinder to clamp the sleeve.
  • DE 100 44 909 also relates to a device for removing a pressure sleeve from a cantilevered cylinder.
  • axially positionable contact elements are provided on the circumference of the pressure sleeve, which are employed to generate a frictional force to the pressure sleeve.
  • a band provided of inherently rigid material, which is adapted to the outer shape of the pressure sleeve. By a tensioning device, this band can be clamped around the pressure sleeve, similar to the disassembly from US 4 549 923.
  • the object of the invention is to provide a device for handling sleeves on cylinders of printing presses, which ensures a stable recording and holding a pressure sleeve and excludes damage. This object is achieved by the characterizing features of claim 1.
  • the device according to the invention makes it possible in an advantageously simple manner to suspend and remove sleeves (printing plate sleeves with or without seam or blanket sleeves) on impression cylinders.
  • sleeves can be accommodated gently and at the same time stably and, in an advantageous manner, damage such as bumps or kinks can be avoided.
  • the form of large-diameter sleeves can be stabilized excellent by the device according to the invention, whereby the insertion and removal of such sleeves is substantially simplified.
  • the device can be adapted to the diameter differences during expansion of the sleeve for pushing or pulling off the cylinder in an advantageous manner. At the same time this measure allows a simple recording of the sleeve in the device.
  • an inventively designed device from a labile sleeve is a relatively stiff, easy to handle tube.
  • the device it is possible to bring the pressure sleeves in relation to their circumference and their axial position in predetermined positions, that is, they can be applied register and register on a printing cylinder.
  • the application of a sleeve can be further simplified to a printing cylinder, as this allows a tilt-free sliding.
  • vibrations of the sleeves can be damped, whereby an advantageous reduction of the noise pollution is achieved.
  • sleeve used in relation to the present invention include both printing plate sleeves, seamless sleeves which are used as printing form, and blanket sleeves - with or without stitching.
  • Fig. 1 shows a cantilevered pressure cylinder 1, on which a sleeve 2 is pushed.
  • the sleeve 2 is received at its one end by a device 3 designed according to the invention and attached with its free other end to the cylinder 1.
  • a handle 11 is provided on the device 3.
  • the mounting aid 24 is arranged as an extension of the axis of rotation coaxial with the cylinder 1 and cooperates with a bore 25 on the device 3.
  • the assembly aid 24 is preferably designed as a cylindrical rod or tube and is arranged so that the device 3 is first threaded with the sleeve 2 at the bore 25 and guided before the front end of the sleeve 2 is attached to the cylinder 1.
  • 2 compressed air can be blown into the space between the surface of the cylinder 1 and the sleeve be, whereby the inner diameter of the sleeve 2 expands.
  • the device 3 for handling sleeves on cylinders of printing presses consists essentially of an annular intrinsically rigid receiving element 5, which is adapted to the respective outer shape of the corresponding sleeve and is provided for receiving the sleeve.
  • a corresponding device 3 can be provided for each sleeve diameter.
  • the receiving element 5 is connected via spacers 18 with a retaining ring 13, on which brackets 21 are arranged with a handle 11.
  • the annular receiving element 5 is preferably made of a suitable plastic and has an inner diameter corresponding approximately to the tube diameter.
  • the receiving element 5 is slotted parallel to the main axis of the sleeve and spanned by one or more rubber bands 17, so that the opposing joints on the slot 4 are pressed together. Characterized the original circumferential length of the receiving element 5 is shortened by the width of the slot 4, resulting in a reduction of the inner diameter. By this reduction of the inner diameter acts on the surface of the - received in the receiving element 5 - sleeve a normal force which generates a frictional force between the sleeve and the receiving element 5, so that the sleeve is received frictionally.
  • the width of the slot By the width of the slot, the diameter difference between the sleeve and the receiving element 5 and thus the clamping force on the sleeve is set or limited. The wider the slot, the larger the diameter difference and the force acting on the sleeve. If the slot provided too wide, so the full clamping force of the clamping means 17 come into effect.
  • the width of the slot 4 is selected so that the inner diameter of the receiving element 5 can be compressed to about the extent of the outer diameter of the sleeve or slightly smaller.
  • the circumference of the receiving element 5 can be widened against the elasticity of the rubber bands 17.
  • a recess is provided at the joint, which receives a spreading element 16.
  • the expansion element 16 is pivotally connected to a - rotatably mounted on a bearing block 14 - lever 12. By pulling the lever 12, the spreader 16 can be moved against the force of a spring 15 in the slot 4.
  • On the expansion element 16 are - compared to the direction of movement inclined - surfaces provided, for example, a conical shell, which with clamp corresponding surfaces on the receiving element 5 and the slot 4 thereby widen. This is illustrated in Fig. 2a, which illustrates the corresponding section of the slot 4.
  • the device 3 is pulled with a - applied to the handle 11 - lever 12 on a, preferably perpendicular, sleeve.
  • first stops 19 may be provided, which define the axial position of the sleeve in the receiving element 5.
  • the lever 12 can be relaxed, so that the sleeve is frictionally locked in place Device 3 is included.
  • the inner wall of the receiving element 5 may be coated with a material which, in cooperation with the surface of the sleeve, gives a greater coefficient of friction or adhesives, such as adhesives, may be applied. Another way to improve the adhesion is to increase the normal force on the surface of the sleeve.
  • one or more peripheral depressions 6 can be provided on the inner wall of the receiving element 5 facing the sleeve, which are connected to a vacuum connection 8.
  • the adjacent circumferential surface of the sleeve seals the recesses 6 from the ambient air pressure, whereby it is sucked due to a negative pressure effect on the inner wall of the receiving element 5.
  • a vacuum generator 9 on the device 3.
  • the vacuum generator 9 can be connected to a compressed air connection 10 and converts the overpressure into a negative pressure.
  • additional clamping means can be provided which - are placed outside on the receiving element 5 - for example in the form of tension bands - and can be clamped by mechanical, pneumatic, hydraulic or electrical actuators.
  • a marking 7 can be provided on the device 3, on which, for example, the seam of a welded pressure sleeve can be aligned.
  • the marking 7, the device 3 is aligned at a further mark on the printing cylinder, so that the weld is located at a predetermined circumferential position on the cylinder.
  • a pin which dips into a corresponding receptacle - for example, a bore - on the printing cylinder.
  • 3 damping elements 23 may be provided on the device, which rest against the outside of the sleeve and thereby the vibrations of the Steam the sleeve. If the sleeve is expanded during application or removal by compressed air, so the receiving element 5 can be adapted in an advantageous manner against the clamping force of the rubber bands 17 to the diameter differences.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Printing Plates And Materials Therefor (AREA)

Claims (12)

  1. Dispositif de manipulation d'un manchon (2) sur un cylindre (1) d'une machine à imprimer comprenant un élément de réception (5), annulaire et rigide avec au moins une fente (4) parallèle à l'axe principale du manchon, et qui est adapté à la forme extérieure du manchon (2),
    caractérisé en ce que
    le manchon (2) est fixé contre la périphérie extérieure du cylindre (1) à l'aide de moyens de serrage élastiques (17) pour une réception par complémentarité de force,
    des moyens de serrage élastique (17) serrent les unes contre les autres les extrémités de l'élément de réception (5) contre le point de butée formé par la fente (4) de telle sorte que la force de serrage appliquée sur le manchon (2) puisse être limitée par la largeur de la fente (4), et
    un élément d'écartement (16) permet l'élargissement de l'élément de réception (5) sous la force des moyens de serrage élastiques (17).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    la largeur de la fente (4) sur l'élément de réception (5) est choisie de telle sorte que le diamètre intérieur de cet élément de réception (5) puisse être comprimé sur à peu près la dimension du diamètre extérieur du manchon (2) ou de manière légèrement inférieure à celle-ci.
  3. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce qu'
    au moins une bande en caoutchouc (17) sert de moyen de serrage, elle est placée à l'extérieur autour de l'élément de réception (5).
  4. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce qu'
    on prévoit au moins un évidement (6) sur la paroi intérieure - en regard du manchon (2) - de l'élément de réception (5) relié à un raccord de dépression (8) de telle sorte que la surface périphérique du manchon (2) puisse être aspirée suite à un effet de dépression exercé sur la paroi intérieure de l'élément de réception (5).
  5. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que
    des moyens d'adhérence, par exemple un adhésif, sont appliqués sur la paroi intérieure de l'élément de réception (5).
  6. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce qu'
    un élément d'écartement (16) sert de moyen d'élargissement périphérique de l'élément de réception (5), il se serre contre les deux extrémités de l'élément de réception (5) lors d'un déplacement dans la fente (4).
  7. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce qu'
    on prévoit un moyen de serrage supplémentaire sous la forme d'une bande de serrage placée à l'extérieur au-dessus de l'élément de réception (5) et serrée par des installations d'actionnement mécaniques, pneumatiques, hydrauliques ou électriques.
  8. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce qu'
    on prévoit un moyen de serrage supplémentaire composé d'un anneau d'appui ainsi que d'un élément de serrage gonflable de manière hydraulique ou pneumatique qui encercle l'élément de réception (5), l'élément de serrage gonflé s'appuie contre l'anneau d'appui et exerce sur l'élément de réception (5) une force de serrage vers l'intérieur.
  9. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que
    des premières butées axiales (19) définissent la position axiale du manchon d'impression dans l'élément de réception (5), et d'autres butées (20) fixent la position axiale du dispositif (3) par rapport au cylindre d'impression de telle sorte que le manchon (2) puisse être monté sur le cylindre d'impression juste à côté du registre.
  10. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que
    sur le dispositif (3), un marquage (7) désigne la position périphérique d'un point de jointure sur le manchon d'impression (2) par rapport au dispositif (3) et, un élément sur le dispositif (3) s'engage dans un logement ménagé sur le cylindre d'impression de telle sorte que la jointure du manchon d'impression (2) soit située sur une position prédéfinie en périphérie par rapport au cylindre (1).
  11. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que
    des éléments amortisseurs (23) sur le dispositif (3) détectent le manchon (2) à l'extérieur et en amortissent les vibrations.
  12. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que
    sur le cylindre d'impression (1), une aide au montage (24) coopère avec un guide (25) au niveau du dispositif (3) de manière à guider le manchon (2) coaxialement par rapport à l'axe du cylindre lors de l'application sur le cylindre d'impression (1).
EP03016374A 2002-07-26 2003-07-19 Dispositif pour manipuler des manchons sur des cylindres de machine d'impression Expired - Lifetime EP1384582B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10234329A DE10234329B3 (de) 2002-07-26 2002-07-26 Vorrichtung zur Handhabung einer Hülse auf einem Zylinder einer Druckmaschine
DE10234329 2002-07-26

Publications (3)

Publication Number Publication Date
EP1384582A2 EP1384582A2 (fr) 2004-01-28
EP1384582A3 EP1384582A3 (fr) 2004-11-17
EP1384582B1 true EP1384582B1 (fr) 2006-04-12

Family

ID=29796600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03016374A Expired - Lifetime EP1384582B1 (fr) 2002-07-26 2003-07-19 Dispositif pour manipuler des manchons sur des cylindres de machine d'impression

Country Status (5)

Country Link
US (1) US6789479B2 (fr)
EP (1) EP1384582B1 (fr)
JP (1) JP3974559B2 (fr)
CA (1) CA2435975C (fr)
DE (2) DE10234329B3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10220608C1 (de) * 2002-05-08 2003-11-06 Windmoeller & Hoelscher Druckmaschine
US7207267B2 (en) * 2003-09-22 2007-04-24 Kodak Graphic Communications Canada Company Apparatus and method for manipulation of sleeves on a cylinder
DE102004021492B3 (de) * 2004-04-30 2005-10-13 Man Roland Druckmaschinen Ag Vorrichtung zum Abziehen von Hülsen
DE102004022181B3 (de) * 2004-05-05 2005-11-03 Man Roland Druckmaschinen Ag Vorrichtung zum Verbinden einer inneren Druckhülse mit einer äußeren Druckhülse zu einer Einheit und zum Trennen der beiden Druckhülsen
DE102005022986A1 (de) * 2005-05-19 2006-11-23 Man Roland Druckmaschinen Ag Rollenrotationsdruckmaschine mit mindestens einem Druckwerk
JP6405170B2 (ja) * 2014-09-18 2018-10-17 昭和アルミニウム缶株式会社 版装着治具および版装着方法
JP6472519B2 (ja) * 2014-12-04 2019-02-20 ボブスト メックス ソシエテ アノニム スリーブ抜取り機、平坦基材変換用ユニット、及びスリーブを抜き取るための方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053791B1 (fr) * 1980-12-04 1984-12-19 Dai Nippon Insatsu Kabushiki Kaisha Cylindre du type à manchon pour l'impression en creux et procédé et dispositif pour son assemblage
US5062193A (en) * 1989-01-03 1991-11-05 International Composites Corporation Method for mounting and dismounting rigid sleeves onto and from a cylinder
US5072504A (en) * 1989-01-03 1991-12-17 International Composites Corporation Method for axially mounting and dismounting rigid sleeves onto, and from, cylinders
DE4341246C1 (de) * 1993-12-03 1995-02-23 Roland Man Druckmasch Einrichtung zur Handhabung von Hülsen auf Zylindern
US5802975A (en) 1993-12-03 1998-09-08 Man Roland Druckmaschinen Ag Device for manipulating sleeves on cylinders
US5537923A (en) * 1995-05-24 1996-07-23 Huntsman Packaging Corporation Printing sleeve air pressure mounting apparatus
US5743539A (en) * 1996-06-10 1998-04-28 Tri Tool Inc. Quick setting and release actuator for work holder
US5745968A (en) * 1996-09-10 1998-05-05 Reeves Brothers, Inc. Sound dampening tool for cylindrical printing blankets
US6250223B1 (en) * 1999-10-22 2001-06-26 Heidelberger Druckmaschinen Ag Blanket tube removal device
US6386103B1 (en) 1999-10-22 2002-05-14 Heidelberger Druckmaschinen Ag Blanket tube removal device
EP1362697B1 (fr) * 2002-05-18 2005-04-06 Fischer & Krecke Gmbh & Co. Dispositif pour manipuler des manchons d'impression

Also Published As

Publication number Publication date
EP1384582A2 (fr) 2004-01-28
US6789479B2 (en) 2004-09-14
EP1384582A3 (fr) 2004-11-17
DE50302939D1 (de) 2006-05-24
US20040139873A1 (en) 2004-07-22
JP3974559B2 (ja) 2007-09-12
CA2435975C (fr) 2006-07-18
JP2004058666A (ja) 2004-02-26
DE10234329B3 (de) 2004-02-19
CA2435975A1 (fr) 2004-01-26

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