EP0503750B1 - Appareil pour monter une plaque d'impression sur un cylindre porte-plaques - Google Patents

Appareil pour monter une plaque d'impression sur un cylindre porte-plaques Download PDF

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Publication number
EP0503750B1
EP0503750B1 EP92250058A EP92250058A EP0503750B1 EP 0503750 B1 EP0503750 B1 EP 0503750B1 EP 92250058 A EP92250058 A EP 92250058A EP 92250058 A EP92250058 A EP 92250058A EP 0503750 B1 EP0503750 B1 EP 0503750B1
Authority
EP
European Patent Office
Prior art keywords
plate
end portion
cylinder
safety cover
leading
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
EP92250058A
Other languages
German (de)
English (en)
Other versions
EP0503750A1 (fr
Inventor
Nobuaki C/O Toride Plant Saito
Masaaki C/O Toride Plant Ishida
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.)
Komori Corp
Original Assignee
Komori Corp
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 Komori Corp filed Critical Komori Corp
Publication of EP0503750A1 publication Critical patent/EP0503750A1/fr
Application granted granted Critical
Publication of EP0503750B1 publication Critical patent/EP0503750B1/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
    • B41F27/1206—Feeding to or removing from the forme cylinder

Definitions

  • Figs. 1 and 2 show an apparatus for mounting a plate on a plate cylinder according to an embodiment of the present invention.
  • Fig. 1 shows the apparatus when viewed from its side
  • Fig. 2 partially shows the front left portion of the apparatus.
  • a printing unit 1 comprises a pair of right and left frames 2 to cover the side surfaces of the printing unit 1.
  • a plate cylinder 3 and a blanket cylinder 4 are arranged in contact with each other inside the frames 2.
  • An inking apparatus and a dampening apparatus (neither are shown) for supplying ink and dampening water to the surface of the plate mounted on the plate cylinder 3 are arranged above the plate cylinder 3 and on the side thereof, respectively.
  • a pair of right and left L-shaped arms 11 are fixed on the support shaft 9 mounted with the lever 10, so that the arms 11 are set in phase and have a predetermined angle with respect to the lever 10.
  • the right and left arms 11 are pivoted through about 90° through the lever 10 and the support shaft 9, as indicated by solid lines and broken lines in Fig. 1, respectively.
  • the arms 11 located at positions indicated by the solid lines are close to the horizontal surfaces 2a and vertical surfaces 2b of the right and left frames 2.
  • the lower end portions of the right and left arms 11 are connected by a cover support shaft 12.
  • Right and left vertical bars 14 constituting a safety cover 13 are pivotally supported at the two end portions of the cover support shaft 12.
  • Fig. 3 shows a developed state of a plate in a state wherein reference pins are fitted in reference notches, respectively.
  • two reference notches 32 are formed at a leading-side end portion 241 of the plate 24.
  • the U-shaped reference notches 32 are open to the edges of the plate so that they are perfectly engaged with the reference pins 31, respectively.
  • the support shaft 9 is pivoted through the lever 10, so that the right and left arms 11 supported by the support shaft 9 are pivoted to the positions indicated by the broken (chain and double-dotted) lines.
  • the safety cover 13 having the vertical bars 14, the upper end portions of which are pivotally supported by the lower end portions of the arms 11, is moved to the position indicated by the broken lines while the plate is kept held as indicated by reference numeral 24A.
  • a portion in front of the plate cylinder 3 is open.
  • the pins 16 are linearly lifted along the longitudinal axis of the guide bars 17, so that the safety cover 13 is bent in an L shape at the position indicated by the broken lines.
  • the plate press member 26 is exemplified as a plate holding member for pressing the plate downward while the upper end portion of the plate is inserted in the plate lockup device.
  • the plate holding member is not limited to this.
  • trailing-side end portion of a plate can be clamped by suction pads, rollers, or the like.
  • the plate holding member for holding the plate so as to urge it downward is arranged in the vertically openable safety cover, the upper end portion of which is supported by a printing press member so that the safety cover is suspended from the printing press member, the recesses formed at the lower end of the plate can be accurately urged against and engaged with the reference pins of the plate lockup device by the weight of the plate and the behavior of the plate holding member.
  • Mounting precision of the plate can be improved, and printing alignment precision can be improved accordingly.
  • the alignment adjustment time can be almost eliminated to shorten the plate mounting time, thereby improving operation efficiency of the printing press and reducing the waste paper.
  • the plate can be easily mounted without specific skill, thereby achieving energy saving.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Printing Methods (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Claims (7)

  1. Appareil pour le montage d'une plaque sur un cylindre porte-plaque d'une presse à imprimer, comprenant des moyens (28) de fixation de plaque disposés sur ledit cylindre porte-plaque (3) pour recevoir et maintenir une extrémité d'attaque de la plaque,
    un élément support couplé à ladite presse à imprimer (2) et un couvercle de sécurité (13) supporté par ledit élément support et suspendu à partir de lui pour s'ouvrir verticalement et se refermer afin de recouvrir au moins ledit cylindre porte-plaque lors de l'impression,
    ledit appareil étant caractérisé en ce qu'il comporte
    un organe (26) presseur de plaque monté sur ledit couvercle de sécurité (13) et susceptible de venir porter contre une partie d'extrémité de fuite de la plaque dans une position espacée desdits moyens de fixation de plaque d'une distance qui n'est pas supérieure à la longueur de la plaque mesurée entre l'extrémité d'attaque et de fuite de façon à appliquer une force dirigée vers le bas sur ladite plaque lorsque la partie d'extrémité d'attaque de ladite plaque (24) est introduite dans lesdits moyens de fixation (28) de plaque.
  2. Appareil selon la revendication 1, dans lequel ledit organe presseur de plaque (26) comprend une dépression (26a) ouverte vers le bas pour y introduire ladite partie d'extrémité de fuite de la plaque, ladite dépression ouverte vers le bas comportant une surface supérieure s'ouvrant à un niveau inférieur à une position libre de ladite partie d'extrémité de fuite dans l'état d'ouverture dudit couvercle (13) de sécurité.
  3. Appareil selon la revendication 1 ou la revendication 2, dans lequel ledit couvercle de sécurité (13) comprend une partie supérieure comportant un organe de réception de plaque (21) et une partie inférieure comportant un élément de maintien de plaque (23), ledit organe de réception de plaque (21) supportant ladite plaque (24) et ledit élément de maintien de plaque (23)supportant ladite partie d'extrémité d'attaque de la plaque, maintenant ainsi la plaque.
  4. Appareil selon la revendication 3, dans lequel ledit organe presseur de plaque (26) est disposé entre ledit organe de réception de plaque (21) et ledit élément de maintien de plaque (23), et la plaque est maintenue par ledit organe presseur de plaque (26) et ledit organe de réception de plaque (21) montés à l'extérieur dudit couvercle de sécurité (13).
  5. Appareil selon l'une quelconque des revendications 1 à 4, comprenant en outre un guide plaque (25) de forme courbe disposé verticalement, positionné en dessous dudit organe (26) presseur de plaque et s'étendant à partir dudit couvercle de sécurité (13) de façon à être écarté de lui d'une distance prédéterminée en dessous dudit organe (26) presseur de plaque, ledit guide plaque (25) courbant la plaque (24) dont ladite partie d'extrémité de fuite est maintenue par ledit organe (26) presseur de plaque lors du montage de la plaque (24) sur ledit cylindre porte-plaque (3), de sorte que ladite partie d'extrémité d'attaque applique une force prédéterminée sur les moyens (28) de fixation de plaque dudit cylindre porte-plaque (3) dans lesquels la plaque (24) est introduite.
  6. Appareil selon la revendication 5, dans lequel ladite plaque (24) est entraînée vers le bas le long d'une surface interne courbe dudit guide plaque (25) lors de l'amenée de la plaque (24) audit cylindre porte-plaque (3), et ladite partie d'extrémité d'attaque de la plaque (24) qui est déplacée vers le bas est introduite et fixée aux moyens (28) de fixation de plaque dudit cylindre porte-plaque (3) disposés sur une ligne s'étendant à partir dudit couvercle de sécurité (13).
  7. Appareil selon l'une quelconque des revendications 1 à 6, comprenant en outre des moyens (28) de fixation de plaque côté d'attaque disposés dans un intervalle périphérique (27) dudit cylindre porte-plaque (3) et comportant des goupilles de référence (31) s'engageant respectivement avec des encoches de référence (32) formées au niveau de ladite partie d'extrémité d'attaque de la plaque (24), de sorte que ladite partie de fuite de la plaque (24) est pressée par ledit organe (24) presseur de plaque de façon à engager parfaitement lesdites goupilles de référence (31) avec lesdites encoches de référence (32) de ladite partie d'extrémité d'attaque de la plaque (24), assurant ainsi la fixation de ladite partie d'extrémité d'attaque de la plaque (24) par lesdits moyens de fixation (28) de plaque côté bord d'attaque.
EP92250058A 1991-03-14 1992-03-12 Appareil pour monter une plaque d'impression sur un cylindre porte-plaques Expired - Lifetime EP0503750B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP103702/91 1991-03-14
JP3103702A JP2722022B2 (ja) 1991-03-14 1991-03-14 版胴への刷版装着装置

Publications (2)

Publication Number Publication Date
EP0503750A1 EP0503750A1 (fr) 1992-09-16
EP0503750B1 true EP0503750B1 (fr) 1996-10-16

Family

ID=14361090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92250058A Expired - Lifetime EP0503750B1 (fr) 1991-03-14 1992-03-12 Appareil pour monter une plaque d'impression sur un cylindre porte-plaques

Country Status (4)

Country Link
EP (1) EP0503750B1 (fr)
JP (1) JP2722022B2 (fr)
AT (1) ATE144186T1 (fr)
DE (1) DE69214487T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10010056B4 (de) * 1999-03-31 2012-11-08 Heidelberger Druckmaschinen Ag Druckplattenwechsler

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214047A1 (de) * 1992-04-29 1993-11-04 Heidelberger Druckmasch Ag Halteeinrichtung fuer eine zu verschiebende platte
DE4214049A1 (de) * 1992-04-29 1993-11-04 Heidelberger Druckmasch Ag Vorrichtung zum zufuehren einer druckplatte zu einem plattenzylinder einer druckmaschine
JP2832570B2 (ja) * 1993-03-30 1998-12-09 株式会社篠原鉄工所 刷版装着装置
WO1994026519A2 (fr) * 1993-05-12 1994-11-24 Deritend Engineering Limited Appareil de traitement du carton
DE4339344C1 (de) * 1993-11-18 1995-03-30 Roland Man Druckmasch Vorrichtung für das automatisierte Wechseln von Druckplatten einer Druckmaschine
JPH07148911A (ja) * 1993-11-26 1995-06-13 Sakurai Graphic Syst:Kk 印刷機における刷版の装着補助装置
DE4414836C2 (de) * 1994-04-28 1997-01-16 Heidelberger Druckmasch Ag Schutzabdeckung an Druckmaschinen
DE9415751U1 (de) * 1994-09-29 1994-11-17 Man Roland Druckmaschinen Ag, 63069 Offenbach Vorrichtung zum Zuführen einer Druckplatte zum Plattenzylinder einer Druckmaschine
DE19507908C2 (de) * 1995-03-07 1999-12-09 Heidelberger Druckmasch Ag Vorrichtung zum Abziehen und Halten einer Druckplatte, die von einem Plattenzylinder einer Rotationsdruckmaschine abgeführt wurde
GB2304632B (en) * 1995-08-29 1998-09-23 Heidelberger Druckmasch Ag Guard for a unit of a printing machine
DE19803726B4 (de) * 1998-01-30 2007-12-27 Heidelberger Druckmaschinen Ag Druckwerk mit einem Druckwerksschutz und einer verstellbaren Aufhängung für den Druckwerksschutz
DE19934271A1 (de) 1998-11-13 2000-05-25 Heidelberger Druckmasch Ag Verschwenkbare Druckformwechseleinrichtung
JP4024970B2 (ja) * 1999-09-14 2007-12-19 株式会社小森コーポレーション 輪転印刷機における排版装置
TW503178B (en) * 2000-02-16 2002-09-21 Nissha Printing Elastic plate-winding and removing-support apparatus
ES2256112T3 (es) 2000-05-17 2006-07-16 Komori Corporation Prensa de impresion.
JP6032782B2 (ja) 2010-12-03 2016-11-30 株式会社小森コーポレーション 銀行券印刷機
JP6061416B2 (ja) 2010-12-14 2017-01-18 株式会社小森コーポレーション 有価証券印刷機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3124531B2 (ja) * 1989-06-12 2001-01-15 キヤノン株式会社 画像処理方法
DE8915693U1 (de) * 1989-12-09 1991-03-07 Koenig & Bauer AG, 8700 Würzburg Einrichtung zum automatischen Wechseln einer Druckplatte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10010056B4 (de) * 1999-03-31 2012-11-08 Heidelberger Druckmaschinen Ag Druckplattenwechsler

Also Published As

Publication number Publication date
ATE144186T1 (de) 1996-11-15
DE69214487T2 (de) 1997-04-30
JPH04284252A (ja) 1992-10-08
EP0503750A1 (fr) 1992-09-16
JP2722022B2 (ja) 1998-03-04
DE69214487D1 (de) 1996-11-21

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