EP1683636B1 - Cylindre porte-plaque avec un dispositif de fixation de plaques - Google Patents

Cylindre porte-plaque avec un dispositif de fixation de plaques Download PDF

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Publication number
EP1683636B1
EP1683636B1 EP06000889A EP06000889A EP1683636B1 EP 1683636 B1 EP1683636 B1 EP 1683636B1 EP 06000889 A EP06000889 A EP 06000889A EP 06000889 A EP06000889 A EP 06000889A EP 1683636 B1 EP1683636 B1 EP 1683636B1
Authority
EP
European Patent Office
Prior art keywords
plate cylinder
cylinder according
lifting
channel
plate
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
EP06000889A
Other languages
German (de)
English (en)
Other versions
EP1683636A2 (fr
EP1683636A3 (fr
Inventor
Günter Koppelkamm
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
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP1683636A2 publication Critical patent/EP1683636A2/fr
Publication of EP1683636A3 publication Critical patent/EP1683636A3/fr
Application granted granted Critical
Publication of EP1683636B1 publication Critical patent/EP1683636B1/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
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/1225—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly
    • B41F27/1237—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly by translatory motion substantially perpendicular to support surface

Definitions

  • the invention relates to a plate cylinder, for a web-fed rotary printing machine with a device for fixing circumferentially attachable, provided with bevelled ends, flexible pressure plates, wherein an accessible via a peripheral entrance slot installation channel is provided on one side of its input area by a wedge-shaped beak edge for hooking front plate ends is limited and in which at least one profile body is fixed, which contains at least one engageable with the rear end of at least one pressure plate for engagement holding device.
  • the rear plate ends associated holding device includes a recorded on the profile body, on the input slot to and away from this movable clamping bar and one of these associated, incorporated in the profile body actuator comprising a lifting device and one of these counteracting Return device consists, wherein the clamping bar by means of the lifting device in an approximated to the entrance slot placement position, in which the rear end of each associated with the pressure plate on a clamping rail-side Einh16klaue can be suspended is, and by means of the return means in clamping engagement with the rear end of each associated printing plate can be brought.
  • a further advantage of the measures according to the invention is the fact that, despite the possibility of reliable plate clamping, a comparatively narrow input cross-section of the cylindrical recess, i. a comparatively narrow interruption of the cylinder circumference, is possible. This ensures that usually no bearer rings are needed and that a vibration excitation of the ink rollers largely avoided.
  • At least one of the clamping bar adjacent clamping spring may be arranged on the profile body, which comes to rest on the inner edge of the front plate ends associated beak edge.
  • the clamping of the front plate ends increases the reliability.
  • the clamping spring provided for this purpose makes it possible in an advantageous manner, a possible clamping in principle with the help of the clamping bar dispensable, so that their stroke can be relatively small, which has an advantageous effect on the achievable compactness.
  • the profile body in the peripheral area facing the entrance slot has a cutout associated with the tensioning strip and optionally the clamping spring.
  • the profile body can have a channel assigned to the actuating device of the tensioning strip, from which pass bores into which the tensioning strip-bearing plunger, which cooperates with the actuating device, intervenes. These can be guided in the holes, which allows high reliability. At the same time, these measures also make it possible to seal the installation space associated with the actuating device from the area of the installation channel which is open via the entry slot, which provides reliable protection against damage and soiling.
  • a particularly comfortable embodiment of the lifting device may consist in that it has a lifting pad which engages under the plunger and can be acted upon by a pressure medium. Such an arrangement works particularly wear.
  • Another advantageous embodiment of the lifting device may be that it has a displaceably arranged in the associated channel of the profile body push rod through which provided for lifting the plunger start-up organs and hereby cooperating ramp elements are movable relative to each other. This mechanical solution proves to be particularly robust.
  • the push rod thereby contain preferably designed as start-up rollers run-up organs and added to rollers. This results in a particularly compact and at the same time smooth arrangement.
  • a further advantageous measure may in this context be that the profile body is formed in two parts and a the push rod receiving channel occlusive, one of the push rod associated tread having containing endpiece.
  • This can advantageously consist of higher quality material and / or hardened, so that it is possible to achieve a high tread quality.
  • FIG. 1 illustrated double printing unit contains in a conventional manner two successive rolling transfer cylinder 1, which in each case a here as a plate cylinder 2 trained form cylinder is assigned. Between the two transfer cylinders 1, a printing substrate 3 is passed. The diameter of the transfer cylinder 1 and diameter of the plate cylinder 2 are equal. In one revolution of the transfer cylinder 1, the plate cylinder 2 therefore wrap once on the respective associated transfer cylinder 1.
  • a plurality of juxtaposed printing plates can be provided over the length of the plate cylinder 2, a plurality of juxtaposed printing plates can be provided.
  • the circumference of the plate cylinder 2 corresponds to twice the plate length, so that in each case two pressure plates can be clamped on the circumference. Accordingly, these plate cylinders 2 are referred to as so-called double-round plate cylinder.
  • Fig. 2 shows further, the plate cylinder 2 each formed by an axially parallel recess mounting channel 6, which is accessible via a peripheral input slot 7.
  • a circumferential, axially parallel bore is provided as filling body, from which an outwardly wedge-shaped tapered entrance area emerges, so that a comparatively narrow entrance slot 7 and this flanking beak edge 8 result.
  • a profiled body 9 made of a round bar section is arranged, which is fastened to the cylinder body, as shown by an in Fig. 1 illustrated connecting strap 10 is indicated.
  • the diameter of the profile body 6 corresponds to the bore diameter.
  • the invention is therefore preferably used in two-round cylinders use.
  • a receiving slot 7 facing On the profile body 9 is a receiving slot 7 facing, provided with a Einh brieflyklaue 11 clamping bar 12 and one of these associated actuating device is added. This consists of a lifting device and one of these counteracting return device.
  • the clamping bar 12 is approachable to the input slot 7 and movable away therefrom.
  • the clamping bar 12 adjacent inner boundary 8a of the rear beak edge 8 rechtwinlig to the stroke direction of the clamping bar 12 and thus approximately parallel to the top of the clamping bar 12, which is particularly space-saving and forms a reliable end stop for the clamping bar 12.
  • the front, bevelled ends of the printing plates 4 are mounted on an associated beak edge 8, in the example shown on the beak edge 8 drawn to the right. Subsequently, the printing plates 4 are fed to the cylinder circumference. In the example shown, a pressure roller 13 is used for this purpose.
  • a clamping spring 14 is provided here, which has a on the inner edge of the front plate ends associated wedge-shaped beak edge 8 coming into abutment head.
  • the tensioning strip 12 reach the inner edge of the beak edge 8 in order to bring about the said clamping. For this purpose, however, a comparatively large stroke movement of the clamping bar 12 would be necessary.
  • the clamping bar 12 and this adjacent clamping spring 14 may be arranged.
  • This is designed here as a leaf spring, which is received and fixed with a one-foot development on a flank of the cutout 15.
  • the cutout 15 is connected by extending in the direction of movement of the clamping bar 12 holes 16 with a cutout 15 opposite, in the longitudinal direction of the profile body 9 continuous channel 17. In this is the clamping bar 12 associated lifting device.
  • the holes 16 are fixed by cross-plunger 18 which cooperate with their remote from the clamping bar 12 end with the aforementioned lifting device, which will be explained in more detail below.
  • the plunger 18 and with these the clamping bar 12 can be approximated to the entrance slot 7.
  • a return device is provided for returning to a parked position.
  • the holes 16 are formed as stepped holes, which have an associated with the springs 19, extended, lower region.
  • the wall of the bore 16 forms a guide region 22 associated with the associated plunger 18.
  • the underlying units are sealed in the form of acting as a return spring 19 and arranged in the channel 17 lifting device relative to the entrance of the installation space 6 and thus protected from contamination.
  • the accommodation in the profile body 9 simultaneously ensures reliable shock and engagement protection.
  • the execution according to FIG. 3 differs from the above-described embodiment according to FIG. 2 essentially only by the configuration of the clamping bar 12 associated lifting device.
  • This is designed as a mechanical lifting device.
  • an inclined plane containing ramp surfaces 25 and hereby cooperating start-up members 26 are provided.
  • the starting elements 26 and the ramp surfaces 25 are moved relative to one another. The relative movement is accomplished by a in the lifting device associated channel 17 of the profile body 9 in the axial direction displaceably arranged push rod 27.
  • the ramp surfaces 25 are attached to the underside of the plunger 18.
  • the push rod 27 includes the ramp surfaces 25 associated start-up organs, which are designed here as run-up rollers 26, as best of FIG. 4 is apparent.
  • the run-up rollers 26 can engage deep in the push rod 27, which is very conducive to achieving a compact arrangement.
  • the push rod may be formed as a sliding element.
  • the push rod is provided with rollers 28, which results in a smooth arrangement.
  • the push rod 27 runs here with its rollers 28 on an associated running surface of the profile body 9.
  • This is suitably hardened.
  • the profile body 9 is here formed in two parts.
  • the parting line is located in the region of the lifting device associated channel 17, so that the channel 17 occlusive, containing said tread extension 9a results, which consists of a suitable tread material and at least in the region of the tread, preferably can be completely hardened.
  • the front beak edge 8 containing boundary of the installation channel 6 may be formed as a subsequently attachable extension piece 2a.
  • this can be provided in the region of an end face of the associated plate cylinder 2 actuator, for example in the form of an in Fig. 1 be provided at 29 indicated pneumatic and / or hydraulic cylinder unit.
  • the installation channel 6 expediently passes through the length of the associated plate cylinder 2.
  • the profile body 9 can also pass.
  • two profile bodies 9 may be provided, which are insertable from different cylinder end faces in the installation space 6 and each associated with half a cylinder length.
  • an equally long clamping bar 12 is accommodated on each profile body 9, which expediently has two spaced-apart plungers 18, to which a common lifting device is assigned.
  • the lifting cushion 24 and the push rod 27 extend over each plunger 18 of a clamping bar 12.
  • the integrated in the two profile body 9 lifting devices are each accessible from the opposite sides of the cylinder.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (23)

  1. Cylindre porte-plaques pour une machine d'impression rotative à bobines comportant
    un dispositif pour fixer des plaques d'impression (4), souples, dont les extrémités sont repliées, pour être installées sur le côté périphérique,
    - un canal de montage (6) accessible par une fente d'entrée (7) située dans la direction périphérique, un côté de la zone d'entrée de ce canal étant délimité par une arête en forme de bec en coin (8), pour accrocher les extrémités avant des plaques, et au moins un organe profilé (9) est fixé dans ce canal, cet organe comportant une installation de fixation qui peut être mise en prise au moins avec l'extrémité arrière d'au moins une plaque d'impression (4),
    caractérisé en ce que
    l'installation de fixation associée à l'extrémité arrière des plaques est une installation de tension comportant une lame de tension (12) logée dans le corps profilé (9), et mobile vers la fente d'entrée (7) ou dans la direction opposée, et une installation d'actionnement associée à la lame de tension est montée dans le corps profilé (9), cette installation d'actionnement se composant d'une installation de levée et d'une installation de rappel agissant en sens opposé,
    la lame de tension (12) est conduite par l'installation de levée dans une position de mise en place rapprochée de la fente d'entrée (7) dans laquelle l'extrémité arrière des plaques peut s'accrocher à une griffe d'accrochage (11) côté lame de tension et être mise en prise de tension avec l'extrémité arrière des plaques par l'installation de rappel.
  2. Cylindre porte-plaques selon la revendication 1,
    caractérisé en ce que
    le corps profilé (9) comporte au moins un ressort de pincement (14) voisin de la lame de tension (12), ce ressort venant en appui contre le flanc intérieur de l'arête en forme de bec en coin (8) associée à l'extrémité avant des plaques.
  3. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    dans la zone périphérique tournée vers la fente d'entrée (7), le corps profilé (9) comporte une découpe (15) associée à la lame de tension (12) et le cas échéant au ressort de pincement (14).
  4. Cylindre porte-plaques selon la revendication 3,
    caractérisé en ce que
    le ressort de pincement (14) est un ressort-lame dont une lame de base est fixée à un flanc de la découpe (15).
  5. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    le corps profilé (9) comporte un canal (17) associé à l'installation de levée, et des perçages (16) partent de ce canal et reçoivent des poussoirs (18) portant la lame de tension (12) en coopérant avec l'installation de levée et avec l'installation de rappel.
  6. Cylindre porte-plaques selon la revendication 5,
    caractérisé en ce que
    les perçages (16) relient la découpe (15) au canal (17).
  7. Cylindre porte-plaques selon la revendication 5 ou 6,
    caractérisé en ce que
    les poussoirs (18) sont guidés chacun dans un perçage (16) associé.
  8. Cylindre porte-plaques selon les revendications 5 à 7,
    caractérisé par
    une installation d'étanchéité (23) coopérant avec le poussoir (18) respectif dans la région des perçages (16).
  9. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    l'installation de rappel est constituée par des ressorts (19) entourant les poussoirs (18), ces ressorts s'appuyant d'un côté contre un épaulement (20) côté perçage et de l'autre contre un plateau à ressort (21) porté par le poussoir (18) associé.
  10. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    l'installation de levée associée au poussoir (18) est une unité de levée sollicitée par un fluide sous pression.
  11. Cylindre porte-plaques selon la revendication 10,
    caractérisé en ce que
    l'installation de levée est réalisée sous la forme d'un coussin de soulèvement (24) passant sous les poussoirs (18) et recevant un agent de pression.
  12. Cylindre porte-plaques selon les revendications 1 à 9,
    caractérisé en ce que
    l'installation de levée est une unité mécanique comportant des surfaces en forme de rampes (25) mobiles l'une par rapport à l'autre et des organes (26) coopérant avec celle-ci
  13. Cylindre porte-plaques selon la revendication 12,
    caractérisé en ce que
    l'installation de levée comporte une barre de poussée (27) coulissant dans le canal (17) associée du corps profilé (9), cette barre de poussée permettant de déplacer les organes d'attaque (26) et les surfaces en forme de rampes (25) les uns par rapport aux autres.
  14. Cylindre porte-plaques selon la revendication 13,
    caractérisé en ce que
    les organes d'attaque (26) réalisés de préférence sous la forme de galets sont portés par la barre de poussée (27) et les surfaces en forme de rampes (25) sont reliées aux poussoirs (18).
  15. Cylindre porte-plaques selon la revendication 13 ou 14,
    caractérisé en ce que
    la barre de poussée (27) est munie de galets de roulement (28).
  16. Cylindre porte-plaques selon les revendications 13 à 15,
    caractérisé en ce qu'
    au moins la surface de roulement du canal (17) associée à la barre de poussée (27) est durcie.
  17. Cylindre porte-plaques selon les revendications 13 à 16,
    caractérisé en ce que
    le corps profilé (9) est réalisé en plusieurs parties et comporte une pièce rapportée (9a) comportant la surface de roulement fermant le canal (17), cette pièce étant de préférence en un matériau susceptible d'être durci et elle est durcie
  18. Cylindre porte-plaques selon les revendications 13 à 17,
    caractérisé en ce que
    la barre de poussée (27) est actionnée par l'intermédiaire d'une unité à vérin prévue au niveau d'un côté frontal du cylindre.
  19. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    le volume de montage (6) s'étend sur toute la longueur du cylindre.
  20. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    sur la longueur du cylindre, prévu plusieurs et de préférence deux corps profilés (9) ont chacun une lame de tension (12) et une installation d'actionnement associée à celle-ci.
  21. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé par
    une installation d'application (13) roulant contre la périphérie du cylindre.
  22. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce que
    les plaques d'impression (4) sont mises en place avec une machine.
  23. Cylindre porte-plaques selon les revendications précédentes,
    caractérisé en ce qu'
    il est constitué par un cylindre double.
EP06000889A 2005-01-20 2006-01-17 Cylindre porte-plaque avec un dispositif de fixation de plaques Expired - Lifetime EP1683636B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005002684A DE102005002684A1 (de) 2005-01-20 2005-01-20 Plattenzylinder mit einer Vorrichtung zur Festlegung von umfangseitig anbringbaren Druckplatten

Publications (3)

Publication Number Publication Date
EP1683636A2 EP1683636A2 (fr) 2006-07-26
EP1683636A3 EP1683636A3 (fr) 2007-08-08
EP1683636B1 true EP1683636B1 (fr) 2008-10-22

Family

ID=36540201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06000889A Expired - Lifetime EP1683636B1 (fr) 2005-01-20 2006-01-17 Cylindre porte-plaque avec un dispositif de fixation de plaques

Country Status (5)

Country Link
US (1) US7487725B2 (fr)
EP (1) EP1683636B1 (fr)
JP (1) JP4588641B2 (fr)
CN (1) CN100584607C (fr)
DE (2) DE102005002684A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002029B3 (de) * 2007-01-13 2008-04-10 Koenig & Bauer Aktiengesellschaft Zylinder einer Rollenrotationsdruckmaschine mit einer Vorrichtung zum Befestigen eines biegsamen Aufzugs
DE102007023272A1 (de) * 2007-05-18 2008-11-20 Manroland Ag Spanneinrichtung für Druckplatten und Formzylinder
DE102007024426A1 (de) * 2007-05-25 2008-12-04 Maschinenfabrik Wifag Spanneinrichtung für Druckformen
DE102008002640A1 (de) * 2008-06-25 2010-01-07 Koenig & Bauer Aktiengesellschaft Formzylinder einer Rotationsdruckmaschine
JP6297479B2 (ja) * 2014-12-05 2018-03-20 株式会社ミヤコシ 刷版の固定装置
CN106183387A (zh) * 2016-07-08 2016-12-07 江苏华宇印涂设备集团有限公司 印铁机
CN106183371A (zh) * 2016-07-08 2016-12-07 江苏华宇印涂设备集团有限公司 印铁机用印版滚筒
CN106183386A (zh) * 2016-07-08 2016-12-07 江苏华宇印涂设备集团有限公司 印铁机
CN109150200B (zh) * 2017-06-27 2021-10-22 华为技术有限公司 一种信道交织的方法和装置

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Publication number Priority date Publication date Assignee Title
US2965025A (en) * 1959-04-02 1960-12-20 Cottrell Company Printing plate lockup for wrap around plates
US3362327A (en) * 1965-01-28 1968-01-09 Cottrell Company Cylinder lockup for wrap-around plates and blankets
US4347788A (en) * 1980-05-01 1982-09-07 Harris Corporation Plate lockup mechanism
JP3220909B2 (ja) * 1991-09-19 2001-10-22 株式会社小森コーポレーション 輪転印刷機の版押え装置。
DE4210316C2 (de) * 1992-03-30 1994-02-24 Heidelberger Druckmasch Ag Klemm- und Spannvorrichtung für eine Druckplatte in einer Druckmaschine
US5284093A (en) * 1993-02-24 1994-02-08 Heidelberg Harris Inc. Plate cylinder with semi-automatic plate lock up
FR2709090B1 (fr) * 1993-08-20 1995-11-10 Heidelberg Harris Sa Dispositif à crochet et escamotable pour maintenir une plaque d'impression sur un cylindre porte-plaque, dans une imprimante rotative, et imprimante rotative comportant un tel dispositif.
FR2727350B1 (fr) * 1994-11-24 1997-02-14 Heidelberg Harris Sa Dispositif de fixation d'une forme d'impression souple
JPH0966598A (ja) * 1995-08-31 1997-03-11 Komori Corp 輪転印刷機の版取付構造
CN2258116Y (zh) * 1996-05-30 1997-07-23 北人印刷机械股份有限公司 一种印版的压紧和张紧装置
DE19924786B4 (de) * 1999-05-29 2004-11-04 Koenig & Bauer Ag Vorrichtung zum Befestigen einer biegsamen Platte auf einem Zylinder einer Rotationsdruckmaschine
DE10024087C2 (de) * 2000-05-18 2002-05-08 Torald Rohloff Vorrichtung zum Befestigen einer Druckplatte auf einem Zylinder einer Rotationsdruckmaschine
US6868783B2 (en) * 2001-09-07 2005-03-22 Goss International Americas, Inc. Printing press with multiple-image-carrying cylinder
DE10255707B4 (de) * 2002-11-29 2009-11-26 Koenig & Bauer Aktiengesellschaft Rotationskörper einer Druckmaschine mit mindestens einem Hohlraum
JP2004284324A (ja) * 2003-03-25 2004-10-14 Mitsubishi Heavy Ind Ltd 薄板締付装置
DE10324330A1 (de) * 2003-05-27 2004-12-30 Man Roland Druckmaschinen Ag Plattenzylinder einer Druckmaschine

Also Published As

Publication number Publication date
DE502006001858D1 (de) 2008-12-04
JP4588641B2 (ja) 2010-12-01
CN1807094A (zh) 2006-07-26
CN100584607C (zh) 2010-01-27
US20060169158A1 (en) 2006-08-03
DE102005002684A1 (de) 2006-08-03
US7487725B2 (en) 2009-02-10
EP1683636A2 (fr) 2006-07-26
EP1683636A3 (fr) 2007-08-08
JP2006199039A (ja) 2006-08-03

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