EP0638420B1 - Dispositif pour tendre dans une machine à imprimer rotative - Google Patents

Dispositif pour tendre dans une machine à imprimer rotative Download PDF

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Publication number
EP0638420B1
EP0638420B1 EP94111840A EP94111840A EP0638420B1 EP 0638420 B1 EP0638420 B1 EP 0638420B1 EP 94111840 A EP94111840 A EP 94111840A EP 94111840 A EP94111840 A EP 94111840A EP 0638420 B1 EP0638420 B1 EP 0638420B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
spindle
tensioning
lever
blanket
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
EP94111840A
Other languages
German (de)
English (en)
Other versions
EP0638420A1 (fr
Inventor
Georg Schneider
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP98102334A priority Critical patent/EP0844082B1/fr
Publication of EP0638420A1 publication Critical patent/EP0638420A1/fr
Application granted granted Critical
Publication of EP0638420B1 publication Critical patent/EP0638420B1/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
    • B41F27/125—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 on a curvilinear path, e.g. by winding on a roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders

Definitions

  • the invention relates to a device for tensioning a Rubber or printing blanket on a cylinder one Rotary printing machine according to the generic term of claim 1.
  • DE 81 01 707 U1 is a device for Clamp a blanket or a plate onto one Cylinder of an offset printing machine became known at which is arranged in a channel, parallel to Cylinder axis extending tension shaft is provided, the rotatable at their ends via worm gears and worms is.
  • US-A-44 76 783 describes an apparatus for Tensioning a rubber or printing blanket on a cylinder a rotary press with one in one Cylinder pit arranged parallel to the cylinder axis running rotating spindle, being used for locking the clamping spindle in the direction of "RUBBER or PRINTED CLOTH RELAX "locking gear is provided and the locking effect of the locking gear can be optionally canceled is.
  • GB-A-349 921 is a blanket tensioning device known in which one end of the rubber blanket from one sliding bar is added. This bar is provided with a toothing in which a gear intervenes. A locking gear works with this gear together.
  • the invention has for its object a To create blanket tensioner, which also at a reversal of the direction of rotation of the cylinder Blanket prevented.
  • a loosening of the Preventing locking device is rubber / printing blanket ensured that even when the direction of rotation of the Cylinder an unwanted loosening of the rubber / printing blanket is prevented.
  • this can be divided into clamping segments, so that the Clamping segments individually from a space between the bearer ring and the clamping device, e.g. B. too Cleaning purposes can be removed without the The cylinder was removed from the rotary printing press must become.
  • a hinted Cylinder 2 extends a total of 3 designated device for tensioning from one the jacket of the cylinder 2 rubber or Printing blanket 10, hereinafter referred to as "printing blanket 10" called -, in the circumferential direction.
  • the cylinder pit 1 has a flat bottom surface 4 and two the bottom surface 4 delimiting side surfaces 6, 7.
  • the in the Device 3 arranged in the cylinder pit extends in the axis-parallel direction to the cylinder 2.
  • An insert bar extends from the first side surface 6 8 with an acute parallel axis Edge 9 for receiving an angled first end 48 of the printing blanket 10.
  • the insert bar 8 sits with its second end near the bottom surface 4 on one Base plate 11.
  • a second insert bar 12 Extends along the second side surface 7 a second insert bar 12 with an acute angle running, axially parallel, rounded edge 13, over which a second end 49 of the printing blanket 10 drawn and one to be described in more detail Tensioning spindle 14 for tensioning the second blanket end 49 is supplied.
  • the blanket 10 has at each end 48, 49 a border 51.
  • the bezel 51 of the first blanket end 48 engages behind one in the insert bar 8 parallel to an axis of rotation 52 extending hooking edge 53 of a groove 54.
  • Die Insert bar 8 is together with insert bar 12 executed in one piece via webs, not shown, and has cavities for receiving clamping spindle pieces 14.1 to 14.4 and racks 18, 19, 21, 22.
  • the Insert bar 12 is in Fig. 1 only with its end faces indicated.
  • the clamping spindle 14 has a essential circular cross-section with a slot 16 for receiving the second end 49 of the to be exciting Blanket 10 on.
  • the slot 16 diametrically on
  • the tip circle of the toothing 17 can be the diameter correspond to the clamping spindle 14.
  • the clamping spindle 14 is different in length, e.g. B. four equally long clamping spindle pieces 14.1, 14.2, 14.3, 14.4 divided, of which in Fig. 1 the clamping spindle piece 14.4 has not been shown. That also applies to another rack too, on which that is not illustrated spindle piece 14.4 with its second supports the front end.
  • These spindle pieces 14.1 to 14.4 engage with the base plate 11 facing side with the toothing 17 into the top of racks 18, 19, 21, 22 on.
  • the racks 18, 19, 21, 22 have one square cross-section, correspond in their Length l of 0.6 times to 0.8 times the width b of Cylinder pit 1 and are with their bottom surface on the Base plate 11 of the cylinder pit 1 against each Force of a spring 23, 24, 26, 27 in the circumferential direction of the cylinder 2 movable.
  • the racks 18, 19, 21, 22 can also consist of a round cross-section.
  • the racks 18, 19, 21, 22 are each under at the ends 29, 30, 31, 32, 33, 34 of the clamping spindle pieces 14.1, 14.2, 14.3, 14.4 of the Clamping spindle 14 arranged so that the first end 29 of the clamping spindle piece 14.1 in the rack 18 engages the second end 30 of the clamping spindle piece 14.1 and the first end 31 of the clamping spindle piece 14.2 engages in the rack 19, the second end 32 of the clamping spindle piece 14.2 and the first end 33 of the clamping spindle piece 14.3 in the rack 21, the second end 34 of the clamping spindle piece 14.3 and that not shown first end of the clamping spindle piece 14.4 engages in the rack 22.
  • the racks 18, 19, 21, 22 have cohesive their top each on a pin 36, each in a round-ended in the insert bar 8 Slot 37 engages.
  • All slots 37 are parallel to each other and parallel arranged to the end faces of the cylinder 2.
  • the Springs 23, 24, 26, 27 can also be in a first end face 38 of the rack 18, 19, 21, 22 located Blind hole 39 be held.
  • the air hose 47 is closed at its first end and on its second end with a not shown Connection for the inlet and outlet of compressed air Mistake.
  • the first air hose is expedient 47 assigned a second air hose 57 in parallel, which also has a nozzle, not shown is pressurized with compressed air.
  • the compressed air with a pressure of 4 to 6 bar is not above one shown hose and a not shown Valve can be obtained from a compressed air system.
  • the stub is located on the front side of the device 3 and is with the cylinder 2 at a standstill the said hose connected.
  • the device 3 is through through holes, not shown, in the Base plate 11 fastened in the cylinder pit 1.
  • screws provided with Tapped holes, not shown, of the bottom surface 4 the cylinder pit 1 interact.
  • the Base plate 11 with the one-piece insert strips 8, 12 connected by means of retaining screws, not shown.
  • the insert strips 8, 12 are on the clamping spindle 14 facing the circumference of the clamping spindle 14 adjusted, but so that between the insert bar 8th and the slot 16 of the clamping spindle 14 the second End 49 of the blanket 10 can be added.
  • the Clamping spindle 14 can also be made in one piece.
  • the first end 48 of the rubber blanket 10 is seen in a cross section, extending axially parallel in the radial direction Brought groove 54 and behind by means of the border 51 the hanging edge 53 hooked.
  • the printing blanket 10 will now placed around the edge 9 of the insert bar 8.
  • Rotation of the cylinder 2 enters the second end 49 the area of the edge 13 of the insert bar 12 and inserted with its border 51 in the slot 16 (Fig. 3).
  • the air hoses 47, 57 are included Compressed air applied.
  • the compressed air supply is used to clamp the clamping spindle 14 interrupted so that the compressed air from the Air hoses 47, 57 and springs 23, 24, 26, 27 the racks 18, 19, 21, 22 synchronously over the Clamping spindle pieces 14.1, 14.2, 14.3, 14.4 back in bring the clamping position (Fig. 2).
  • the printing blanket 10 is excited.
  • Cleaning or maintenance work can Clamping spindle pieces 14.1, 14.2, 14.3, 14.4 from one Gap that is in the cylinder pit 1 between the end of the device 3 and one not shown Bearer ring is removed.
  • the locking of a clamping spindle 14 shown the effects of the flexing movement of the To minimize printing blanket 10 when the cylinder 2 in Counterclockwise C is moved.
  • This is in the Cylinder pit 1 parallel to the racks 18, 19, 21, 22 a locking device designated overall by 56 provided which is synchronous with the above.
  • Rack 18, 19, 21, 22 transverse to the axis of rotation 52 of the Clamping spindle 14 moves.
  • the locking device 56 exists from a rack 58 with a bore 59 for Picking up a bolt 61, which on its first Non-positive and positive end with a support plate 62 is connected, which in turn by means of compression springs 63 from the second end face 41 of the rack 58 is spaced.
  • the bolt 61 has its second End a z. B.
  • the bore 59 is included Breakthrough to accommodate a two-armed lever 66, which is rack-fixed by means of a retaining bolt 67 is stored.
  • the pawl 69 does not force one shown spring pressed into the teeth 71.
  • the It works as follows: In the tensioned position after Fig. 4 can the blanket 10 in a direction of rotation of the cylinder 2 in the counterclockwise direction C as a result Do not loosen the flexing movement as the lever 66 with its Pawl 69 in the toothing 71 of the base plate 11 intervenes.
  • the printing blanket 10 can, however, continue self-tension when the compression springs 23, 24, 26, 27 expand further. In this case the moves Rack 58 with their teeth 72 in the direction of Air hoses 47, 57 and the second end 69 of the lever 66 engages one tooth further to the right.
  • the insert bar 8 shows an ejection element designated as a whole by 73 arranged, which consists of a in the insert 8th parallel to the direction of movement of the racks 18, 19, 21, 22 movably guided pin 74, which with its first end 76 with an unspecified Piston of a piston-cylinder unit 77 force and is positively connected.
  • the pin 74 presses in If the piston-cylinder unit 77 is actuated, e.g. B.
  • the sliding pins 74 can also be driven by means of an axis of rotation 52 of the clamping spindle 14 Camshaft arranged in parallel in the insert strip 8 respectively.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (3)

  1. Dispositif pour mettre en tension un blanchet (10) sur un cylindre (2) d'une machine à imprimer rotative, comprenant une broche tournante de mise en tension (14) qui est disposée dans une dépression de cylindre (1) et qui s'étend parallèlement à l'axe du cylindre, un mécanisme de blocage (17, 72, 58, 56, 66, 67, 68, 69, 71, 61, 64, 62) agissant dans le sens 〈〈 RELACHEMENT DU BLANCHET 〉〉 étant prévu pour bloquer la broche de mise en tension (14), et l'effet bloquant du mécanisme de blocage (17, 72, 58, 56, 66, 67, 68, 69, 71, 61, 64, 62) pouvant être annulé à volonté, un moyen d'entraínement (18, 19, 21, 22 ; 23, 24, 26, 27) étant prévu pour la broche de mise en tension (14), le moyen d'entraínement (18, 19, 21, 22 ; 23, 24, 26, 27) étant constitué de plusieurs crémaillères (18, 19, 21, 22) disposées transversalement à un axe de rotation (52) de la broche de mise en tension (14) dans une dépression de cylindre (1) et pouvant être déplacé à l'encontre de la force de précontrainte de ressorts (23, 24, 26, 27) au moyen d'un organe de positionnement (47, 57), et les crémaillères (18, 19, 21, 22) étant en prise avec une denture (17) située à la périphérie de la broche de mise en tension (14).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'organe de positionnement (47, 57) est conçu sous la forme d'une gaine d'air (47 ; 57).
  3. Dispositif selon la revendication 1, caractérisé en ce qu'à titre de mécanisme de blocage (56 ; 59, 61, 62, 63, 66, 67) il est prévu une crémaillère (58) qui peut se déplacer transversalement à l'axe de rotation (52) de la broche de mise en tension (14) et qui est en prise avec la broche de mise en tension (14), en ce que sur la crémaillère (58) est prévu un levier à deux bras (66) monté pivotant et muni d'un premier bras de levier (68) conçu en forme de bras de levier de commutation (68) et un second bras de levier (69) conçu en forme de cliquet (69), en ce que l'extrémité à cliquet (69) du levier (66) peut être amenée en prise avec une denture (71) solidaire du cylindre, et en ce qu'une broche coulissante (64, 61) est disposée avec la possibilité d'être amenée en prise avec l'extrémité de commutation (68) du levier (66) pour produire un pivotement du levier (66).
EP94111840A 1993-08-05 1994-07-29 Dispositif pour tendre dans une machine à imprimer rotative Expired - Lifetime EP0638420B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98102334A EP0844082B1 (fr) 1993-08-05 1994-07-29 Dispositif de serrage pour une machine à imprimer rotative

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4326250A DE4326250C2 (de) 1993-08-05 1993-08-05 Spannvorrichtung in einer Rotationsdruckmaschine
DE4326250 1993-08-05

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP98102334A Division EP0844082B1 (fr) 1993-08-05 1994-07-29 Dispositif de serrage pour une machine à imprimer rotative

Publications (2)

Publication Number Publication Date
EP0638420A1 EP0638420A1 (fr) 1995-02-15
EP0638420B1 true EP0638420B1 (fr) 1999-01-27

Family

ID=6494486

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94111840A Expired - Lifetime EP0638420B1 (fr) 1993-08-05 1994-07-29 Dispositif pour tendre dans une machine à imprimer rotative
EP98102334A Expired - Lifetime EP0844082B1 (fr) 1993-08-05 1994-07-29 Dispositif de serrage pour une machine à imprimer rotative

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98102334A Expired - Lifetime EP0844082B1 (fr) 1993-08-05 1994-07-29 Dispositif de serrage pour une machine à imprimer rotative

Country Status (4)

Country Link
US (1) US5503072A (fr)
EP (2) EP0638420B1 (fr)
JP (1) JP2746839B2 (fr)
DE (3) DE4326250C2 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2727350B1 (fr) * 1994-11-24 1997-02-14 Heidelberg Harris Sa Dispositif de fixation d'une forme d'impression souple
DE19602104C2 (de) * 1996-01-22 2000-09-14 Heidelberger Druckmasch Ag Klemm- und Ziehvorrichtung für Aufzüge von Zylindern in Druckmaschinen
US6073558A (en) * 1998-07-20 2000-06-13 Heidelberger Druckmaschinen Ag Printing press having blanket cylinder with filler bar and blanket
US6026746A (en) * 1998-09-22 2000-02-22 E. R. Smith Associates, Inc. Lock-up assembly for plate cylinders of rotary presses
DE19922021A1 (de) * 1999-05-12 2000-11-23 Zirkon Druckmaschinen Gmbh Einrichtung zum Befestigen und Spannen von Druckplatten und Gummitücher
DE19924786B4 (de) * 1999-05-29 2004-11-04 Koenig & Bauer Ag Vorrichtung zum Befestigen einer biegsamen Platte auf einem Zylinder einer Rotationsdruckmaschine
DE10015165B4 (de) * 2000-03-27 2004-01-29 Koenig & Bauer Ag Vorrichtung zur Zuführung von Druckmittel
JP3446122B2 (ja) * 2000-07-12 2003-09-16 株式会社東京機械製作所 ブランケット胴
DE10250684B3 (de) * 2002-10-31 2004-04-01 Koenig & Bauer Ag Verfahren zur Herstellung eines Rotationskörpers und Rotationskörper einer Druckmaschine
DE102006052412B4 (de) * 2006-10-23 2015-01-15 Heidelberger Druckmaschinen Ag Trommel zum Fördern eines Bogens
JP5108448B2 (ja) 2006-10-23 2012-12-26 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト シートをフィードするための胴
DE102007047892B4 (de) * 2007-11-29 2010-07-15 Koenig & Bauer Aktiengesellschaft Zylinder einer Druckmaschine mit mindestens einem unter dessen Mantelfläche in dessen Axialrichtung verlaufenden Kanal
KR101779160B1 (ko) * 2011-01-13 2017-09-27 미래나노텍(주) 롤유닛 및 이를 이용한 패턴 형성 장치
DE102012207109B3 (de) * 2012-04-27 2013-05-02 Koenig & Bauer Aktiengesellschaft Verfahren zum Anordnen einer Druckform auf einen Plattenzylinder
JP6297479B2 (ja) * 2014-12-05 2018-03-20 株式会社ミヤコシ 刷版の固定装置
US10737481B2 (en) * 2017-07-03 2020-08-11 Manroland Goss Web Systems Gmbh Plate cylinder with plate lockup mechanism and related printing press and method
DE102020123196A1 (de) * 2020-09-04 2022-03-10 Kolbus Gmbh & Co. Kg Vorrichtung zum Spannen eines bogenförmigen Walzenbezugs um eine Walze
CN114030289B (zh) * 2021-11-05 2023-04-18 江苏富台机械科技有限公司 一种水性印刷机多用挂版机构

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Publication number Priority date Publication date Assignee Title
GB349921A (en) * 1929-11-01 1931-06-01 Addressograph Co Improvements in or relating to printing machines
US2953090A (en) * 1958-03-31 1960-09-20 Wood Newspaper Mach Corp Tension lock-up device
US3715981A (en) * 1970-06-29 1973-02-13 Hamilton Tool Co Fluid actuator and lock for printing plate cylinders
JPS5780057A (en) * 1980-11-05 1982-05-19 Toshiba Mach Co Ltd Mounting mechanism for blanket in rotary printing press
DE8101707U1 (de) * 1981-01-24 1981-06-04 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum spannen eines gummituches oder einer platte auf einen zylinder einer offsetdruckmaschine
JPS57132720A (en) * 1981-02-10 1982-08-17 Tokyo Shibaura Electric Co Cable processor for self-running vehicle
JPS5938043U (ja) * 1982-09-01 1984-03-10 株式会社新幸機械製作所 版胴への版フイルム巻込装置
US4577560A (en) * 1984-08-20 1986-03-25 R. R. Donnelley & Sons Company Gapless lock-up for offset printing cylinders
DE3443353A1 (de) * 1984-11-28 1986-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum spannen von druckplatten auf flexo- und offset-plattenzylindern
GB8616952D0 (en) * 1986-07-11 1986-08-20 Hercules Inc Printing plate
DE3702032A1 (de) * 1987-01-24 1988-08-04 Basf Ag Vorrichtung zum spannen von druckplatten
DE3731039A1 (de) * 1987-09-16 1989-03-30 Koenig & Bauer Ag Einrichtung zum klemmen biegsamer druckplatten auf dem plattenzylinder einer rotationsdruckmaschine
JPH0437340U (fr) * 1990-07-20 1992-03-30
DE4127714A1 (de) * 1991-08-22 1993-02-25 Koenig & Bauer Ag Einrichtung zum befestigen und spannen eines drucktuches auf einem zylinder einer druckmaschine
JP2905652B2 (ja) * 1992-10-29 1999-06-14 株式会社桜井グラフィックシステムズ 印刷機の版くわえ装置

Also Published As

Publication number Publication date
JPH0760949A (ja) 1995-03-07
EP0844082B1 (fr) 2001-04-04
DE59407724D1 (de) 1999-03-11
EP0638420A1 (fr) 1995-02-15
EP0844082A3 (fr) 1998-07-08
DE4326250A1 (de) 1995-02-09
DE4326250C2 (de) 1996-05-15
EP0844082A2 (fr) 1998-05-27
JP2746839B2 (ja) 1998-05-06
DE59409719D1 (de) 2001-05-10
US5503072A (en) 1996-04-02

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