EP0535452B1 - Procédé pour introduire les chariots porte-cylindre à imprimer dans les unités d'impression d'une rotative d'impression - Google Patents

Procédé pour introduire les chariots porte-cylindre à imprimer dans les unités d'impression d'une rotative d'impression Download PDF

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Publication number
EP0535452B1
EP0535452B1 EP92115877A EP92115877A EP0535452B1 EP 0535452 B1 EP0535452 B1 EP 0535452B1 EP 92115877 A EP92115877 A EP 92115877A EP 92115877 A EP92115877 A EP 92115877A EP 0535452 B1 EP0535452 B1 EP 0535452B1
Authority
EP
European Patent Office
Prior art keywords
printing
carriages
receiving
carriage
receiving carriages
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
EP92115877A
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German (de)
English (en)
Other versions
EP0535452A1 (fr
Inventor
Ezio Derivi
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.)
Officine Meccaniche Giovanni Cerutti SpA
Original Assignee
Officine Meccaniche Giovanni Cerutti SpA
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 Officine Meccaniche Giovanni Cerutti SpA filed Critical Officine Meccaniche Giovanni Cerutti SpA
Publication of EP0535452A1 publication Critical patent/EP0535452A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/18—Auxiliary devices for exchanging forme cylinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/35—Rollers and track therefore in printing presses

Definitions

  • the above invention relates to a method with which it is possible to automatically move printing cylinder receiving carriages into the printing elements.
  • rotary printing presses consist of a series of printing elements which are arranged at a distance from one another and are equipped with known mechanical devices which make it possible to move the paper web to be printed through a large number of printing elements arranged one behind the other.
  • Each of these printing elements has a pressure roller in a known manner, which has the task of pressing the paper web against a printing cylinder.
  • Each printing cylinder is stored in its own receiving carriage and each receiving carriage has a known doctor device and an ink application device.
  • the printing cylinder receiving carriages that are no longer used must be removed from the assigned printing element, and only then is it possible to insert new printing cylinder receiving carriages into the spaces that are provided between the printing elements, and then the receiving carriages with the new cylinders into the Retract printing units in order to start the printing process of the new product after carrying out the previously described processes.
  • a device has become known from the prior art, in which a transport device is provided in axis with the printing elements, on which the printing cylinder receiving carriage are arranged to move the carriage from a waiting position into the space between each two printing elements and then to insert the corresponding printing cylinder receiving carriage into the printing element.
  • the cylinders are pushed through the individual printing units in order to occupy the subsequent free space between two printing elements and then deposited again on the transport device by a transverse movement.
  • This known device has the disadvantage that it is necessary to provide a deep channel in the longitudinal direction of the rotary printing press, which channel is suitable for accommodating the components for the transport device of the printing cylinder receiving carriage.
  • a rotary printing press has also become known in which an attempt has been made to reduce the downtimes for exchanging the printing cylinder receiving carriages to reduce the fact that for each printing element there is a double printing cylinder receiving carriage, that is to say a receiving carriage which is designed to receive two printing cylinders, two squeegee devices and two corresponding ink application devices.
  • a pressure element can be removed which is equipped with a receiving carriage which is provided with two pressure cylinders.
  • the receiving carriage can be moved back and forth relative to the pressure element, but it cannot be moved out of the pressure element.
  • the pressure cylinder receiving carriages designed as double carriages are also very heavy, which leads to an undesirable one Sluggishness in the movement of the pickup carriage. If damage occurs in the interior of the known receiving carriage, then this receiving carriage, which is proposed as a double construction, has to be removed from the pressure element in a time-consuming manner in order to enable repair at another location. In a likewise complex manner, a new receiving carriage has to be installed in the pressure element. The entire printing press must be shut down for these run-in or replacement processes, which means a considerable loss of production.
  • auxiliary carriages are provided for moving the printing cylinder receiving carriages. These auxiliary carriages can be moved over the entire length of the printing press in a conveyor channel provided over the entire length of the printing press. Additional auxiliary carriages are required to move the pressure cylinder pick-up carriages Longitudinal movement in a specially provided conveyor channel must also perform a lifting movement in the vertical plane.
  • the object of the above invention is to avoid the disadvantages of the prior art and to propose a method in which it is possible to dispense with a transport device for the printing cylinder receiving carriage and consequently also with a corresponding receiving channel for this transport device and to create the possibility of with the provision of a limited space between two printing elements to hold a printing cylinder receiving carriage in the waiting position, and thereby to limit the length of the entire rotary printing press to a minimum and at the same time to open up the possibility of exchanging the Printing cylinder pick-up trolleys can be carried out easily and with short times.
  • this object is achieved by a method according to the patent claim.
  • each printing element 1, 2, 3 is traversed by a web 4 to be printed.
  • a printing cylinder receiving carriage A1 is arranged in each printing element 1, 2, 3.
  • Each receiving carriage A1 is equipped with a pressure cylinder in a known manner. Furthermore, each carriage A1 has a known doctor device and a known ink application device.
  • a pressure roller 5, 6 or 7 is provided in each pressure element 1, 2, 3, which can be raised and lowered and presses the web 4 against the pressure cylinder of the receiving carriage A1.
  • Fig. 1 the rotary printing press is shown schematically during the printing process.
  • the receiving carriages B1 are then moved along the dash-dot line S, as shown in FIG. 5. As can be seen from FIG. 6, the free spaces which have now formed on the left side of the printing units 1, 2 and 3 are occupied by new receiving carriages B2 which remain in the waiting position.
  • the entire carriage group consisting of the pick-up carriages A2 and the pick-up carriages B2 is moved again in the direction of arrow f, that is to say from left to right, whereupon the loading cycle is repeated.
  • the inventor proposed that during the process of replacing the printing cylinder receiving carriages, the entire carriage group (consisting of printing cylinder receiving carriages inside the printing units 1, 2 and 3, as well as replacement carriages, which are arranged in the waiting position in front of the printing units 1, 2 and 3) with a pendulum-like shifting movement once to the right and then move it to the left altogether, the inventor noticed that the devices for controlling and moving the receptacles can be extremely simple.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Claims (1)

  1. Procédé pour remplacer des chariots porte-cylindre (A1, B1, A2, B2) dans des éléments d'impression (1, 2, 3) d'une rotative d'impression, dans laquelle les chariots porte-cylindre sont respectivement équipés d'un cylindre d'impression et sont déplaçables, d'une première position d'attente, devant un élément d'impression, en une position de travail, dans l'élément d'impression, respectivement, de la position de travail dans une deuxième position d'attente située après l'élément d'impression, le procédé comprenant les étapes ci-après:
    a) au remplacement des cylindres d'impression, les chariots porte-cylindre (B1) se trouvant dans la première position d'attente sont déplacés, conjointement avec les chariots porte-cylindre (A1) se trouvant en position de travail, le long d'un plan, dans une direction d'avancement (f),
    b) suite au remplacement des cylindres d'impression, respectivement pendant le processus d'impression, les chariots porte-cylindre (A1), qui sont sortis des éléments d'impression et qui se trouvent à présent dans la deuxième position d'attente, sont évacués et on dispose à leur place des deuxièmes chariots porte-cylindre (A2) équipés de nouveaux cylindres d'impression, dans la deuxième position d'attente, et
    c) pour effectuer un nouveau remplacement des cylindres d'impression, on déplace les deuxièmes chariots porte-cylindre (A2) se trouvant dans la deuxième position d'attente, conjointement avec les chariots porte-cylindre (A2) se trouvant dans la position de travail, le long dudit plan, dans une direction (g) opposée à la direction d'avancement.
EP92115877A 1991-09-27 1992-09-17 Procédé pour introduire les chariots porte-cylindre à imprimer dans les unités d'impression d'une rotative d'impression Expired - Lifetime EP0535452B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI912588A IT1251899B (it) 1991-09-27 1991-09-27 Procedimento per introdurre carrelli portacilindro negli elementi di stampa di una macchina rotativa
ITMI912588 1991-09-27

Publications (2)

Publication Number Publication Date
EP0535452A1 EP0535452A1 (fr) 1993-04-07
EP0535452B1 true EP0535452B1 (fr) 1997-01-22

Family

ID=11360781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92115877A Expired - Lifetime EP0535452B1 (fr) 1991-09-27 1992-09-17 Procédé pour introduire les chariots porte-cylindre à imprimer dans les unités d'impression d'une rotative d'impression

Country Status (5)

Country Link
US (1) US5301611A (fr)
EP (1) EP0535452B1 (fr)
JP (1) JPH07205393A (fr)
DE (1) DE59207936D1 (fr)
IT (1) IT1251899B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001087604A1 (fr) * 2000-05-17 2001-11-22 Mag-Tech S.R.L. Dispositif automatique de remplacement de cartouches d'impression dans une machine d'impression de gravures
US6593953B1 (en) 2000-09-05 2003-07-15 Hewlett-Packard Development Company, L.P. Dual ink jet print carriage for web printing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232227A (en) * 1962-10-19 1966-02-01 Miehle Goss Dexter Inc Apparatus for changing printing assembly
US3625145A (en) * 1969-06-05 1971-12-07 Bobst Champlain Inc Cylinder cart for exchanging cylinders on the fly
US3783782A (en) * 1972-08-04 1974-01-08 Faustel Inc Revolving turret for supporting printing press cart
CH649035A5 (fr) * 1982-05-06 1985-04-30 Bobst Sa Procede pour echanger les organes d'impression des groupes imprimeurs d'une presse a imprimer et dispositif pour sa mise en oeuvre.
DE3222717A1 (de) * 1982-06-18 1983-12-22 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum wechseln der formzylinder in einer tiefdruckrotationsmaschine
US4449450A (en) * 1982-07-28 1984-05-22 S.A. Martin Retractable propulsion apparatus for cardboard box printing machine
IT1163268B (it) * 1983-04-29 1987-04-08 Cerutti Spa Off Mec Carrello di supporto regolabile per un cilindro da stampa
JPH0665489B2 (ja) * 1983-11-15 1994-08-24 大日本印刷株式会社 印刷機の版胴運搬兼インキ装置
IT1225200B (it) * 1988-10-05 1990-11-02 Schiavi Cesare Costr Mec Macchina rotativa rotocalco perfezionata
IT1225213B (it) * 1988-11-25 1990-11-02 Schiavi Cesare Costr Mec Carrello porta gruppo di stampa per stazione di stampa di macchine rotative
US5060569A (en) * 1989-06-22 1991-10-29 Didde Web Press Corporation Apparatus for changeover of cylinders in web fed printing press

Also Published As

Publication number Publication date
JPH07205393A (ja) 1995-08-08
EP0535452A1 (fr) 1993-04-07
ITMI912588A1 (it) 1993-03-27
US5301611A (en) 1994-04-12
IT1251899B (it) 1995-05-26
DE59207936D1 (de) 1997-03-06
ITMI912588A0 (it) 1991-09-27

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