EP0268857A2 - Système de commande pour changer automatiquement les clichés d'impression dans une machine offset à feuille - Google Patents

Système de commande pour changer automatiquement les clichés d'impression dans une machine offset à feuille Download PDF

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Publication number
EP0268857A2
EP0268857A2 EP87115762A EP87115762A EP0268857A2 EP 0268857 A2 EP0268857 A2 EP 0268857A2 EP 87115762 A EP87115762 A EP 87115762A EP 87115762 A EP87115762 A EP 87115762A EP 0268857 A2 EP0268857 A2 EP 0268857A2
Authority
EP
European Patent Office
Prior art keywords
plate
cylinder
designates
printing machine
numeral
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.)
Withdrawn
Application number
EP87115762A
Other languages
German (de)
English (en)
Other versions
EP0268857A3 (fr
Inventor
Takemasa Mihara Machinery Works Matsumoto
Norifumi Mihara Machinery Works Tasaka
Yoshiro Mihara Machinery Works Matsuura
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP0268857A2 publication Critical patent/EP0268857A2/fr
Publication of EP0268857A3 publication Critical patent/EP0268857A3/fr
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices

Definitions

  • the present invention relates to an automatic plate exchange control system for automatically performing exchange of a plate on a plate cylinder in a sheet offset printing machine.
  • FIG. 7 A general construction of a tetra-color sheet offset printing machine is illustrated in Fig. 7.
  • the printing machine is constructed of printing sections 1 to 4 for the respective colors, a paper sheet feeding section 5, a paper sheet ejecting section 6, a drive section 7, a control section 8 and a manipulation panel section 9.
  • a main motor 7a and a slow drive motor 7b In each of the printing sections 1 to 4 are provided a plate cylinder 10, a rubber cylinder 11, a press cylinder 12 and an inter­mediate cylinder 13.
  • the plate cylinder 10, the rubber cylinder 11, the press cylinder 12, the intermediate cylinder 13 and a paper sheet ejection cylinder 14 are rotated in synchronism with each other by driving power applied from the drive section 7.
  • FIG. 8 Details of each printing section are shown in Fig 8.
  • reference numeral 16 designates a plate
  • numeral 16a designates a front side of the plate
  • numeral 16b designates a rear side of the plate
  • numeral 17a designates a front side vice
  • numeral 17b designates a rear side vice
  • numeral 15 designates a paper sheet to be printed.
  • paper sheets 15a to be printed which are stacked at the paper sheet feeding section 5, are printed while they are passing through the respective printing sections 1 to 4, and at the paper sheet ejecting section 6 they are stacked as printed paper sheets 15b.
  • the plates 16 mounted to the plate cylinders 10 in the respective print­ing sections 1 to 4 are exchanged. This plate exchanging work is carried out through the following process:
  • tensioning of a plate can be automated.
  • An automatic plate mounting/dismounting apparatus has the structure shown, for example, in Fig. 4, and an automatic plate tensioning apparatus has the structure shown, for example, in Figs. 5 and 6.
  • a forked lever 81 is mounted to a portion of a plate tensioning cam shaft 80 for moving a plate tensioning device (not shown) along a plate cylinder 10, which portion projects sidwards externally of the plate cylinder 10.
  • a plate tensioning cam shaft 80 for moving a plate tensioning device (not shown) along a plate cylinder 10, which portion projects sidwards externally of the plate cylinder 10.
  • rollers 82 At the respective end portions of the fork of the lever 81 are mounted rollers 82.
  • a shaft 84 of a kicker 22 is rotatably supported by a bracket 83 provided on a frame of a printing machine, and this shaft 84 is coupled via a universal joint 85 to an output shaft 21A of a rotary actuator 21.
  • the kicker 22 Upon normal operation, the kicker 22 is held at a standby position which is attained by rotating the kicker 22 by 90° about the shaft 84 starting from the position shown in Figs. 5 and 6, and hence, it is not engaged with the roller 82.
  • the kicker 22 rotates from the standby position to the illustrated position and is engaged with the roller 82 on the forked lever 81.
  • the plate tensioning cam shaft 80 rotates, hence the plate tensioning device moves along the plate cylinder 10, and thereby the plate is tensioned.
  • the plate cylinder 10 is rotated in the opposite direction with the kicker 22 held under the illustrated condition.
  • automatic tensioning or relaxing of a plate can be effected by rotating the plate cylinder 10 in the normal of reverse direction when the kicker 22 is projected at the illus­trated position by actuation of the rotary actuator 21.
  • the rotary actuator 21 rotates by 90° with respect to the above-described position, then the kicker 22 is retracted from the position engageable with the roller 82, and so, the automatic tensioning or relaxing operation cannot be effected.
  • An automatic plate exchange control system 51 shown in Fig. 2 contains therein a circuit for controlling rotation of this rotary actuator 21.
  • reference numerals 31, 32 and 33 designate air cylinders
  • numeral 32a des­ignates a piston shaft
  • numeral 34 designates a fork
  • numeral 35 designates a tightening roller
  • numeral 36 designates a reversible motor
  • numeral 37 designates a front cam shaft
  • numeral 38 designates a rocking arm
  • numeral 39 designates a roller
  • numeral 40 designates a rear cam shaft
  • numeral 41 designates a rocking arm
  • numeral 42 designates a roller
  • numeral 43 designates a support table
  • numeral 44 designates a screw shaft
  • numeral 51 designates a control system
  • numeral 52 designates a main control unit
  • numeral 53 designates an AC servo motor controller
  • numeral 54 designates a manipulation panel
  • numeral 54a designates a plate dismount preparation push button
  • numeral 54b designates a plate removal start push button
  • numeral 54c designates
  • the air cylinder 32 is rocked about the fulcrum A by the air cylinder 31, and depending upon the position of the air cylinder 31, the positions of the air cylinder 32 are named a standby position a, a front side vice actua­tion position b and a rear side vice actuation position c
  • a fork 34 At the tip end of a piston shaft 32a of the piston 32 is mounted a fork 34, which takes an in position d or an out position e depending upon the position of the piston shaft 32a.
  • the out position ae in the standby position a of the fork 34 it stands by above the position where the upper tooth of the front side vice 17a or the upper tooth of the rear side vice 17b in Fig.
  • the front side cam shaft 37 or the rear side cam shaft 40 (at the position for mounting or dismounting the plate 16) (on a circular locus depicted by the fork 34 when it rotates about the fulcrum A).
  • the fork 34 stands by above the position where the upper tooth of the front side vice 17a or the rear side vice 17b is closed.
  • the fork 34 fits about a roller 39 mounted on a rocking arm 38 that is fixed to the front side cam shaft 37 for opening and closing the upper tooth of the front side vice 17a, and then the upper tooth is open.
  • the fork 34 When the fork 34 comes to the in position bd , it pulls in the roller 39 towards the air cylinder 32, thus moves the rocking arm 38 and thereby rotates the front side cam shaft 37, so that the upper tooth is closed to fixedly bite the plate 16.
  • the upper tooth is opened through operations in the inverse order to the above-described operations.
  • the fork 34 fits about a roller 42 mounted on a rocking arm 41 that is fixed to the rear side cam shaft 40 for opening and closing the upper tooth of the rear side vice 17b, and then the upper tooth is open.
  • the fork 34 When the fork 34 comes to the in position cd , it pulls in the roller 42 towards the air cylinder 32, thus moves the rocking arm 41 and thereby rotates the rear side cam shaft 40, so that the upper tooth is closed to fixedly bite the plate 16.
  • the upper tooth is opened through operations in the inverse order to the above-described operations.
  • the air cylinder 33 presses, at the out position f , the plate 16 with the tightening roller 35 so as to come into tight contact with the plate cylinder 10.
  • the air cylinder 33 separates the tightening roller 35 from the plate 16.
  • the component parts such as the air cylinder 33, the tightening roller 35 and the like are mounted on a support table 43.
  • the support table 43 is placed at an operative position (the position shown in Fig. 4) when the plate is to be mounted, but it is placed at an inopera­tive position separated from the plate cylinder at the other time, as driven by a reversible motor 36 via a screw shaft 44.
  • the control system 51 in­cludes a main control unit 52 (a sequencer) and an AC servo motor controller 53.
  • Each of the printing units 1 to 4 is associated with a manipulation panel 54 and an air cylinder control circuit 55, and at an end of the shaft of the plate cylinder 10 in the last color stage is disposed an absolute type rotary encoder 56.
  • On the manipulation panel 54 are provided five push buttons, that is, a plate dismount preparation button 54a and a plate removal start button 54b for automatically dismounting a plate, and a plate mount preparation button 54c, a plate bite start button 54d and a plate wrap start button 54e for automati­cally mounting a plate.
  • the respective air cylinders 31, 32 and 33 are provided with limit switches 57, 58 and 59 (for the air cylinder 31), limit switches 60 and 61 (for the air cylinders 32) and limit switches 62 and 63 (for the air cylinder 33) at different piston positions, and these limit switches would send signals to the main control unit 52 (Fig. 2) when the respective pistons of the air cylinders 31, 32 and 33 have come to the corre­sponding piston positions.
  • the reversible motor 36 is also coupled to the main control unit 52.
  • an AC servo motor 64 is provided as shown in Fig. 2, and it is connected to the AC servo motor controller 53.
  • the AC servo motor is adapted to run at two different rotational speed including the slow drive speed in the heretofore known system and a speed three times (for example) as fast as the slow drive speed to be employed for mounting or dismounting a plate.
  • the manipulation panel 54, the air cylinder control circuit 55 and the absolute type rotary encoder 56 are also connected to the main control unit 52 in the control system 51.
  • the air cylinder control circuit 55 is a control circuit for operating electromagnetic valves (not shown) which control flow of air into and out of the re­spective air cylinders 31, 32 and 33.
  • Fig. 1A in order to start dismounting of a plate (101), at first the plate dismount preparation push button 54a on the manipulation panel 54 is depressed (102). As a result of actuation of the rotary actuator 21 in the plate tensioning apparatus (See Figs. 5 and 6), the kicker 22 projects to relax the plate 16. Subsequently, through the process indicated by the flow chart of posi­tioning (Fig. 1C) as will be described later, the rear side vice 17b of the plate cylinder 10 comes to a dismount position and the plate cylinder 10 stops. Thereafter, the air cylinder 32 in the plate mounting/dismounting apparatus (See Fig.
  • the plate mount preparation button 54c on the manipulation panel 54 is depressed (202). Then the plate cylinder 10 rotates in the normal direction, and when the front side vice 17a has come to a mount posi­tion (through the process shown in Fig. 1C), the plate cylinder 10 stops. Subsequently, the air cylinder 32 takes the position be (Fig. 4), and the upper tooth of the front side vice 17a is opened (the above operations being carried out automatically). Then, the plate 16 is inserted into the front side vice 17a by hands (203). Next, the plate bite start push button 54d is depressed (204).
  • the air cylinder 32 takes the position bd , and the upper tooth of the front side vice 17a is closed.
  • the tightening roller 35 rises jointly with the support table 43 and takes an operative position (Fig. 4).
  • the plate wrap start push button 54e is depressed (205)
  • the plate cylinder 10 rotates in the normal direction, and the tightening roller 35 advances to press the plate 16 against the plate cylinder 10 for bringing the plate 16 into tight contact with the plate cylinder 10 (introduced condition). Under this condition, the plate cylinder 10 is further rotated, and when the rear side vice 17b of the plate cylinder 10 has come to the plate mount position, the plate cylinder 10 stops.
  • the air cylinder 32 comes to the position ce , and the upper tooth of the rear side vice 17b is opened. Furthermore, the tightening roller 35 rises up to the rear side vice 17b, then the rear side of the plate 16 is inserted into the vice 17b, after a while the upper tooth of the rear side vice 17b is closed (because the air cylinder 32 comes to the position cd ), the tighten­ing roller 35 is brought to the in position g by the air cylinder 33, and thus it is separated from the plate 16 and is returned to an inoperative condition located below as driven by the reversible motor 36. Also, in parallel to the operation of the tightening roller 35 being returned to the inoperative condition, by making use of the plate tensioning apparatus (Figs. 5 and 6) the plate 16 is tensioned as a result of actuation of the rotary actuator 21 and the kicker 22 (the above operations being carried out automatically). Then the mounting of the plate 16 has been finished (206).
  • Fig. 1C shows the process of positioning by means of a flow chart.
  • the positioning (301) is started when the plate dismount preparation push button 54a or the plate mount preparation push button 54c has been de­pressed.
  • the current stop position of the plate cylinder 10 is input from the absolute type rotary encoder 56 (302) That position is represented by a (in terms of a rotational angle with respect to a reference angular position).
  • a target position (a plate mount or dismount position) is determined (303).
  • This target position is represented by b .
  • an amount of rotation d of the AC servo motor 64 is calculated (305).
EP87115762A 1986-11-20 1987-10-27 Système de commande pour changer automatiquement les clichés d'impression dans une machine offset à feuille Withdrawn EP0268857A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP275465/86 1986-11-20
JP61275465A JPH0788091B2 (ja) 1986-11-20 1986-11-20 枚葉オフセット印刷機の自動版交換制御装置

Publications (2)

Publication Number Publication Date
EP0268857A2 true EP0268857A2 (fr) 1988-06-01
EP0268857A3 EP0268857A3 (fr) 1989-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115762A Withdrawn EP0268857A3 (fr) 1986-11-20 1987-10-27 Système de commande pour changer automatiquement les clichés d'impression dans une machine offset à feuille

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EP (1) EP0268857A3 (fr)
JP (1) JPH0788091B2 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940795A1 (de) * 1989-12-09 1991-06-13 Koenig & Bauer Ag Verfahren und einrichtung zum automatischen zufuehren bzw. abfuehren einer druckplatte
DE3940796A1 (de) * 1989-12-09 1991-06-13 Koenig & Bauer Ag Verfahren und einrichtung zum automatischen wechseln einer druckplatte
EP0435413A2 (fr) * 1989-12-26 1991-07-03 Komori Corporation Méthode et dispositif pour remplacer la plaque dans une machine d'impression
US5208960A (en) * 1989-12-26 1993-05-11 Komori Corporation Method of replacing plate for printing press
US5255420A (en) * 1989-12-26 1993-10-26 Komori Corporation Plate replacing apparatus for a printing press
DE4215227A1 (de) * 1992-05-09 1993-11-11 Kba Planeta Ag Steueranordnung für einen Druckmaschinenantriebsmotor
US5299498A (en) * 1991-08-31 1994-04-05 Heidelberger Druckmaschinen Ag Magazine assembly for automatically changing printing plates
EP0694384A2 (fr) * 1994-05-06 1996-01-31 Komori Corporation Mécanisme d'inclinaison et de soulèvement du cylindre por machine d'impression
EP0700780A1 (fr) * 1993-04-16 1996-03-13 Nissha Printing Co., Ltd. Appareil et procede de formation de films minces
EP0706884A1 (fr) * 1994-10-13 1996-04-17 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour alimenter des plaques d'impression
EP1086812A2 (fr) * 1999-09-14 2001-03-28 Komori Corporation Dispositif et méthode pour changer des plaques d'impression dans une presse rotative
DE19549707B4 (de) * 1994-11-16 2005-03-03 Kabushiki Kaisha Tokyo Kikai Seisakusho Apparat und Verfahren zum Verriegeln einer Druckplatte einer Rotationsdruckpresse
CN111590434A (zh) * 2020-04-30 2020-08-28 广东汉玻科技有限公司 一种全自动智能双边磨边机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2844230B2 (ja) * 1989-12-06 1999-01-06 株式会社小森コーポレーション 枚葉印刷機の版万力装置
JP2884248B2 (ja) * 1989-12-26 1999-04-19 株式会社 小森コーポレーション 印刷機の刷版交換装置
JP2586445Y2 (ja) * 1992-08-03 1998-12-09 株式会社小森コーポレーション 印刷機の刷版装着装置
JP5399341B2 (ja) * 2010-08-18 2014-01-29 リョービ株式会社 印刷機の版調整方法及び版調整装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511874A (en) * 1978-07-13 1980-01-28 Toppan Printing Co Ltd Printing plate manipulating device
EP0100779A1 (fr) * 1982-08-10 1984-02-22 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif pour changer la plaque d'impression
EP0214549B1 (fr) * 1985-09-13 1991-10-09 Toray Industries, Inc. Presse à imprimer et procédé de commande de l'alimentation d'une plaque dans cette presse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD206888A3 (de) * 1981-10-16 1984-02-08 Erhard Nitzsche Steueranordnung fuer registerfernverstelleinheiten von druckformzylindern
JPS59104941A (ja) * 1982-12-08 1984-06-18 Komori Printing Mach Co Ltd 枚葉輪転印刷機の版胴自動停止装置
JPS61112929U (fr) * 1984-12-28 1986-07-17
DE3504435A1 (de) * 1985-02-09 1986-08-14 Miller-Johannisberg Druckmaschinen Gmbh, 6200 Wiesbaden Bogen-druckmaschine mit bogenanlage an einem druckmaschinen-zylinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511874A (en) * 1978-07-13 1980-01-28 Toppan Printing Co Ltd Printing plate manipulating device
EP0100779A1 (fr) * 1982-08-10 1984-02-22 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif pour changer la plaque d'impression
EP0214549B1 (fr) * 1985-09-13 1991-10-09 Toray Industries, Inc. Presse à imprimer et procédé de commande de l'alimentation d'une plaque dans cette presse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Vol. 4, No. 41 (M-5)(523) 29 March 1980; & JP,A,55 011 874 (TOPPAN INSATSU K.K.) 28 January 1980 *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940796A1 (de) * 1989-12-09 1991-06-13 Koenig & Bauer Ag Verfahren und einrichtung zum automatischen wechseln einer druckplatte
US5111744A (en) * 1989-12-09 1992-05-12 Koenig & Bauer Aktiengesellschaft Method and apparatus for automatically changing a printing plate
US5127328A (en) * 1989-12-09 1992-07-07 Koenig & Bauer Aktiengesellschaft Method and apparatus for automatically feeding a printing plate
DE3940795A1 (de) * 1989-12-09 1991-06-13 Koenig & Bauer Ag Verfahren und einrichtung zum automatischen zufuehren bzw. abfuehren einer druckplatte
EP0435413A2 (fr) * 1989-12-26 1991-07-03 Komori Corporation Méthode et dispositif pour remplacer la plaque dans une machine d'impression
EP0435413A3 (en) * 1989-12-26 1991-09-25 Komori Corporation Method of replacing plate for printing press and apparatus therefor
US5208960A (en) * 1989-12-26 1993-05-11 Komori Corporation Method of replacing plate for printing press
US5255420A (en) * 1989-12-26 1993-10-26 Komori Corporation Plate replacing apparatus for a printing press
US5299498A (en) * 1991-08-31 1994-04-05 Heidelberger Druckmaschinen Ag Magazine assembly for automatically changing printing plates
DE4215227A1 (de) * 1992-05-09 1993-11-11 Kba Planeta Ag Steueranordnung für einen Druckmaschinenantriebsmotor
EP0700780A4 (fr) * 1993-04-16 1996-07-31 Nissha Printing Appareil et procede de formation de films minces
EP0700780A1 (fr) * 1993-04-16 1996-03-13 Nissha Printing Co., Ltd. Appareil et procede de formation de films minces
EP0694384A2 (fr) * 1994-05-06 1996-01-31 Komori Corporation Mécanisme d'inclinaison et de soulèvement du cylindre por machine d'impression
EP0694384A3 (fr) * 1994-05-06 1996-11-27 Komori Printing Mach Mécanisme d'inclinaison et de soulèvement du cylindre por machine d'impression
EP0706884A1 (fr) * 1994-10-13 1996-04-17 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour alimenter des plaques d'impression
US5619926A (en) * 1994-10-13 1997-04-15 Heidelberger Druckmaschinen Ag Device for supplying printing plates in a printing machine
DE19549707B4 (de) * 1994-11-16 2005-03-03 Kabushiki Kaisha Tokyo Kikai Seisakusho Apparat und Verfahren zum Verriegeln einer Druckplatte einer Rotationsdruckpresse
EP1086812A2 (fr) * 1999-09-14 2001-03-28 Komori Corporation Dispositif et méthode pour changer des plaques d'impression dans une presse rotative
EP1086812A3 (fr) * 1999-09-14 2002-01-30 Komori Corporation Dispositif et méthode pour changer des plaques d'impression dans une presse rotative
US6463853B1 (en) 1999-09-14 2002-10-15 Komori Corporation Plate exchanging apparatus and method in rotary printing press
CN111590434A (zh) * 2020-04-30 2020-08-28 广东汉玻科技有限公司 一种全自动智能双边磨边机

Also Published As

Publication number Publication date
EP0268857A3 (fr) 1989-10-18
JPH0788091B2 (ja) 1995-09-27
JPS63128942A (ja) 1988-06-01

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