EP0563699A1 - Cylindre porte-plaque muni d'une barre de tension rêglable - Google Patents

Cylindre porte-plaque muni d'une barre de tension rêglable Download PDF

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Publication number
EP0563699A1
EP0563699A1 EP93104513A EP93104513A EP0563699A1 EP 0563699 A1 EP0563699 A1 EP 0563699A1 EP 93104513 A EP93104513 A EP 93104513A EP 93104513 A EP93104513 A EP 93104513A EP 0563699 A1 EP0563699 A1 EP 0563699A1
Authority
EP
European Patent Office
Prior art keywords
plate cylinder
tensioning rail
plate
plane
eccentric
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.)
Granted
Application number
EP93104513A
Other languages
German (de)
English (en)
Other versions
EP0563699B1 (fr
Inventor
Claus Simeth
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 EP0563699A1 publication Critical patent/EP0563699A1/fr
Application granted granted Critical
Publication of EP0563699B1 publication Critical patent/EP0563699B1/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
    • B41F27/1231—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 tangential to support surface

Definitions

  • the invention relates to a plate cylinder of a printing press with at least one tensioning rail arranged in a pit of the plate cylinder according to the preamble of claim 1.
  • a plate cylinder with these features is described, for example, in German Offenlegungsschrift 3 843 395.
  • a so-called flat track guide is provided there for the adjustment of the tensioning rail, in which the flat underside of the tensioning rail can be adjusted on the flat top of a guide.
  • These known flat web guides cannot be mastered particularly well in the forces that occur. For example, the tensioning rail can tip if large forces act on it. It is also problematic to adjust the tensioning rail in all directions of the plane mentioned, because in the prior art there is often only one adjustment possibility in the circumferential direction (tensioning direction). Adjustment in this direction in some embodiments of known fastening devices of this type necessitates readjustment in the direction perpendicular thereto (axial direction), i.e. the adjustments in these two mutually perpendicular directions are not completely independent of one another.
  • the invention avoids these disadvantages. It is based on the task of proposing a fastening of a tensioning rail on a plate cylinder, which enables the tensioning rail to move freely in the entire adjustment plane.
  • the tensioning rail should be stored very precisely and stably and still be able to be shifted to the desired extent in the plane mentioned so that it can be positioned precisely.
  • the tensioning rail is supported on the adjustment plane by at least two spaced-apart axial bearings, consisting of rolling elements arranged in an annular cage.
  • the rolling elements can be formed either by balls or by rollers, wherein rollers arranged in an annular cage are also referred to as roller rings.
  • the tensioning rail is mounted or fastened via at least two structural units, each with two axial bearings, which would then have to be referred to as a roller and cage assembly when using roller and cage assemblies.
  • roller crown assemblies allow the tensioning rail to move freely in the adjustment plane, in all directions thereof.
  • the fastening of the roller ring assemblies to the cylinder must be designed so that the roller ring assemblies can follow all movements in this plane.
  • Each assembly therefore preferably has a fastening plate which can be fastened to the cylinder and which has a hole with a diameter which is larger than a fastening screw which extends through the hole and which is screwed into the tensioning rail, the fastening screw being connected to the working parts of the structural unit, ie to those parts which are displaced relative to the cylinder.
  • each roller ring assembly has an upper and a lower roller ring, between which the fastening plate mentioned is arranged. These units are then covered by an upper and a lower cover plate.
  • two outer and one central eccentric engage on the plate cylinder, by means of which the tensioning rail can be adjusted in the adjustment plane.
  • the tensioning rail is adjusted in the circumferential direction via the two outer eccentrics, ie for tensioning or releasing a pressure plate attached to the tensioning rail in question and with the aid of the central eccentric the tensioning rail can be adjusted in the axial direction. Based on geometric considerations, it follows that the adjustments of all three eccentrics depend on one another, because they are coupled to one another by the rigid tensioning rail.
  • a longitudinal groove and a transverse groove are formed on the underside of the tensioning rail, into which sliding blocks are inserted, into which the actuating ends of the eccentrics engage.
  • the grooves should be provided approximately in the middle on the underside of the tensioning rail. The other ends of the eccentrics are fixed to the cylinder.
  • the eccentrics can be adjusted by motor or by hand. In the case of a motorized adjustment, this should take place via a suitable control so that the operator of the machine can determine the actual positions of the eccentrics and thus also the tensioning rail at any time and can enter desired target positions in the control. Of course, this can also be provided by manually adjusting the eccentric.
  • the attachment according to the invention can also be provided only on a single clamping rail of a pressure cylinder; insofar as it is only important that the other end of the pressure plate, at which end therefore does not attack the tensioning rail designed according to the invention, is held in a suitable manner, for example via spring-loaded pins which engage in holes made in the pressure plate there, via a conventional tensioning rail and right away.
  • tensioning rails designed according to the invention can also be attached to both ends of the pressure plate.
  • a plate cylinder 1 with its cylinder pit 2 is indicated.
  • a tensioning rail 3 is fastened in this.
  • Fig. 1 also shows that a pressure plate 4 is attached to the tensioning rail, the beginning of printing is indicated at item 5.
  • the tensioning rail 3 is fastened to the plate cylinder 1 by means of roller ring assemblies. These consist of a middle fastening plate 6 and an upper and a lower cover plate 7, 8. Between the fastening plate and the respective cover plate, a roller ring 9 is arranged in each case. 2 shows in particular that the roller and cage assemblies essentially consist of rolling elements 10 which are arranged in a cage on a circular ring.
  • a fastening screw 11 is inserted through central through holes 12 in the cover plates 7, 8 and also through an elongated hole 13 in the fastening plate 6.
  • the elongated hole is not only longer in its longitudinal direction than the shaft of the screw 11, but also transversely thereto, so that the mounting plate 6 can move on all sides relative to the screw 11.
  • Fig. 2 shows a schematic plan view of the tensioning rail, the center of the printing machine being indicated at item 18.
  • a longitudinal groove 19 is provided approximately in the center (cf. also FIG. 4) and also a transverse groove 20 running approximately in the center.
  • Sliding blocks 22 are inserted into the grooves 19, 20. These are characterized by the smoothest possible surfaces and they are fitted into the grooves without play.
  • the sliding blocks have center bores 23 into which pins 24 of eccentrics 25 engage.
  • the pins 24 are arranged eccentrically to the cylinder parts 26 of the eccentric.
  • the eccentricity is indicated in Fig. 4 at item 27. It results from the distance of the center b of the gear 29 from the axis a of the pin 24. See also FIG. 3.
  • Fig. 4 is also indicated that the eccentric 25 can be adjusted via a motor 28 with gear 29.
  • Fig. 3 the structurally determined distance 30 between the beginning of printing 5 and the starting position 31 (rest position) of the tensioning rail is shown. Starting from this target position, the actual position of the tensioning rail can be calculated and set.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP93104513A 1992-04-02 1993-03-19 Cylindre porte-plaque muni d'une barre de tension rêglable Expired - Lifetime EP0563699B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4210897A DE4210897C1 (fr) 1992-04-02 1992-04-02
DE4210897 1992-04-02

Publications (2)

Publication Number Publication Date
EP0563699A1 true EP0563699A1 (fr) 1993-10-06
EP0563699B1 EP0563699B1 (fr) 1996-06-19

Family

ID=6455757

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93104513A Expired - Lifetime EP0563699B1 (fr) 1992-04-02 1993-03-19 Cylindre porte-plaque muni d'une barre de tension rêglable

Country Status (5)

Country Link
US (2) US5284092A (fr)
EP (1) EP0563699B1 (fr)
JP (1) JP2524071B2 (fr)
AT (1) ATE139482T1 (fr)
DE (2) DE4210897C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995028261A1 (fr) * 1994-04-13 1995-10-26 Winkler & Dünnebier Emporte-piece souple et cylindre-support
EP1541302A2 (fr) * 2003-12-08 2005-06-15 Eagle Rotary Systems, Inc. Outil de coupe rotative ayant un réglage de position de la plaque de coupe

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210897C1 (fr) * 1992-04-02 1993-08-12 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4306237A1 (de) * 1993-02-27 1994-09-01 Heidelberger Druckmasch Ag Einrichtung zur Einstellung des Schrägregisters in einer Spanneinrichtung zum Einspannen von Druckplatten in einer Offsetdruckmaschine
DE19707063C1 (de) * 1997-02-22 1998-07-30 Roland Man Druckmasch Verfahren zur Durchführung von Seitenregisterkorrekturen sowie entsprechende Vorrichtung
CZ297967B6 (cs) * 2000-08-25 2007-05-09 Heidelberger Druckmaschienen Ag Zarízení na prestavování minimálne jednoho prvku registru v tiskovém stroji a zpusob k provádení takového prestavování
DE10236865A1 (de) * 2002-08-12 2004-02-26 Koenig & Bauer Ag Zylinder in einer Druckeinheit mit mindestens einem Kanal mit mindestens einer Haltevorrichtung
US7121200B2 (en) * 2004-11-22 2006-10-17 Chi-Min Ho Roller parallelism adjustment structure
US9120301B2 (en) 2010-11-17 2015-09-01 Bunting Magnetics Co. Magnetic roll

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231259B (de) * 1962-10-17 1966-12-29 Koenig & Bauer Schnellpressfab Vorrichtung zum Aufspannen von biegsamen Druckplatten auf Formzylindern von Druckmaschinen
DE1536954A1 (de) * 1966-04-07 1970-02-26 Adamovske Strojirny Np Einrichtung zum Verstellen von biegsamen Druckplatten
EP0426022A2 (fr) * 1989-11-02 1991-05-08 MAN Roland Druckmaschinen AG Cylindre de plaque dans une machine d'impression

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DE7216860U (de) * 1972-08-03 Koenig & Bauer Ag Spannvorrichtung für biegsame Druckplatten
DE232730C (fr) * 1909-03-09 1911-03-21
DE426022C (de) * 1925-03-01 1926-03-04 Bruno Adler Vorrichtung zum Einbrennen von Firmen- und sonstigen Angaben in Holz und anderes Material
US2737887A (en) * 1951-04-26 1956-03-13 Gericke Erich Shiftable flexible sheet securing device
US3025790A (en) * 1956-04-30 1962-03-20 Larsen Carl Ejner Planographic printing method and apparatus
CA652939A (en) * 1958-12-22 1962-11-27 Carl Allers Etablissement A/S Mechanism for clamping flexible printing plates
US3017830A (en) * 1960-09-23 1962-01-23 Harris Intertype Corp Plate clamp for printing press
US3151554A (en) * 1961-09-21 1964-10-06 Fairchild Camera Instr Co Perforated sheet supporting arrangement
US3188952A (en) * 1962-05-08 1965-06-15 Addressograph Multigraph Holding and adjusting means for printing members
DE1259904B (de) * 1964-12-17 1968-02-01 Roland Offsetmaschf Vorrichtung an den Bogenfuehrungseinrichtungen einer Mehrfarben-Bogenrotationsdruckmaschine zum Beeinflussen der Passerhaltigkeit der Aufdrucke
US3884147A (en) * 1972-05-26 1975-05-20 Roland Offsetmaschf Device for fastening flexible printing plates
AT324361B (de) * 1973-03-01 1975-08-25 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen biegsamer druckplatten
US3858512A (en) * 1973-03-22 1975-01-07 Roland Offsetmaschf Lock-up mechanism for flexible printing plates providing improved reference adjustment
US3899972A (en) * 1973-08-27 1975-08-19 William H Albright Registration-adjusting printing plate saddle
DE2501511C2 (de) * 1975-01-16 1983-06-01 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Vorrichtung zum Befestigen einer biegsamen Druckplatte auf dem Plattenzylinder einer Rotationsdruckmaschine
US4006686A (en) * 1975-09-18 1977-02-08 Ackerman Stephen P Blanket fastening means for a cylinder blanket
US4092923A (en) * 1977-03-01 1978-06-06 Dayco Corporation Printing blanket holding apparatus
JPS5955967A (ja) * 1982-09-22 1984-03-31 株式会社大井製作所 自動車用ドアロツクの取付構造
CH653616A5 (fr) * 1983-07-26 1986-01-15 De La Rue Giori Sa Procede de fixation et d'ajustage d'une plaque d'impression sur un cylindre porte-plaques et dispositif de mise en oeuvre.
JPS6072731A (ja) * 1983-09-30 1985-04-24 Dainippon Printing Co Ltd 色間見当プリセツト装置
DE3409479A1 (de) * 1984-03-15 1985-09-26 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Spannvorrichtungen fuer an deren in bogenlaufrichtung vorderen und hinteren kanten gelochte druckplatten fuer offsetdruckmaschinen
JPS613109A (ja) * 1984-06-16 1986-01-09 Minolta Camera Co Ltd 自動焦点調整装置
US4864930A (en) * 1985-05-09 1989-09-12 Graphics Microsystems, Inc. Ink control system
JPH07106629B2 (ja) * 1985-09-05 1995-11-15 大日本インキ化学工業株式会社 印刷機の版位置矯正装置
DE3606351A1 (de) * 1986-02-27 1987-09-03 Heidelberger Druckmasch Ag Vorrichtung zum aufspannen von biegsamen druckplatten auf dem plattenzylinder von rotationsdruckmaschinen
JP2563165B2 (ja) * 1986-08-22 1996-12-11 株式会社小森コーポレーション 平版印刷機の給水装置
IT1199685B (it) * 1986-12-03 1988-12-30 Ligure Tubettificio Mantello cilindrico porta-cliche'per macchine da stampa litografiche a mantelli estraibili,particolarmente per la stampa su corpi cilindrici e simili
EP0304646B1 (fr) * 1987-08-25 1991-11-06 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour fixer un cliché flexible sur le cylindre porte-plaque d'une machine à imprimer rotative
DE3731642A1 (de) * 1987-09-19 1989-03-30 Koenig & Bauer Ag Plattenschraenkvorrichtung
DE3731684A1 (de) * 1987-09-21 1989-04-06 Koenig & Bauer Ag Aufspannvorrichtung
DD269585A1 (de) * 1987-12-30 1989-07-05 Polygraph Leipzig Einrichtung zum lagegenauen schnellaufspannen von flexiblen druckplatten
DE3918215C1 (fr) * 1989-06-03 1990-11-08 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
JP2926656B2 (ja) * 1989-09-13 1999-07-28 アキヤマ印刷機製造 株式会社 枚葉印刷機の版ひねり調整機構
DE3933678A1 (de) * 1989-10-09 1991-04-18 Miller Johannisberg Druckmasch Vorrichtung zum positionsgenauen spannen einer druckplatte auf einem druckzylinder
JPH03190736A (ja) * 1989-12-21 1991-08-20 Sumitomo Heavy Ind Ltd 印刷機用版胴の版ひねり装置
US5199352A (en) * 1990-02-24 1993-04-06 Komori Corporation Plate lock-up device for printing press
JP2509511Y2 (ja) * 1990-05-25 1996-09-04 株式会社小森コーポレーション 印刷機の版万力装置
JP2828355B2 (ja) * 1990-12-28 1998-11-25 リョービ株式会社 オフセット印刷機、刷版および画像位置読み取り方法
US5088408A (en) * 1991-02-28 1992-02-18 Matthews International Inc. Printing plate mounting system and a printing plate composite utilizing such system
DE4106677C1 (fr) * 1991-03-02 1992-04-23 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
US5189958A (en) * 1991-04-05 1993-03-02 A. B. Dick Company Plate clamping system for a duplicating machine
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DE4205276A1 (de) * 1992-02-21 1993-08-26 Roland Man Druckmasch Vorrichtung zum aufspannen einer druckplatte auf einen plattenzylinder
DE4210897C1 (fr) * 1992-04-02 1993-08-12 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231259B (de) * 1962-10-17 1966-12-29 Koenig & Bauer Schnellpressfab Vorrichtung zum Aufspannen von biegsamen Druckplatten auf Formzylindern von Druckmaschinen
DE1536954A1 (de) * 1966-04-07 1970-02-26 Adamovske Strojirny Np Einrichtung zum Verstellen von biegsamen Druckplatten
EP0426022A2 (fr) * 1989-11-02 1991-05-08 MAN Roland Druckmaschinen AG Cylindre de plaque dans une machine d'impression

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995028261A1 (fr) * 1994-04-13 1995-10-26 Winkler & Dünnebier Emporte-piece souple et cylindre-support
EP0862973A1 (fr) * 1994-04-13 1998-09-09 Winkler + Dünnebier Aktiengesellschaft Cylindre pour le montage d'un outil d'estampage flexible
EP1541302A2 (fr) * 2003-12-08 2005-06-15 Eagle Rotary Systems, Inc. Outil de coupe rotative ayant un réglage de position de la plaque de coupe
EP1541302A3 (fr) * 2003-12-08 2005-09-21 Eagle Rotary Systems, Inc. Outil de coupe rotative ayant un réglage de position de la plaque de coupe

Also Published As

Publication number Publication date
DE4210897C1 (fr) 1993-08-12
US5284092A (en) 1994-02-08
ATE139482T1 (de) 1996-07-15
USRE35647E (en) 1997-11-04
EP0563699B1 (fr) 1996-06-19
JPH0615798A (ja) 1994-01-25
DE59302970D1 (de) 1996-07-25
JP2524071B2 (ja) 1996-08-14

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