EP0513284B1 - Dispositif de reperage utile pour surveiller des machines a imprimer en plusieurs couleurs - Google Patents

Dispositif de reperage utile pour surveiller des machines a imprimer en plusieurs couleurs Download PDF

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Publication number
EP0513284B1
EP0513284B1 EP91920435A EP91920435A EP0513284B1 EP 0513284 B1 EP0513284 B1 EP 0513284B1 EP 91920435 A EP91920435 A EP 91920435A EP 91920435 A EP91920435 A EP 91920435A EP 0513284 B1 EP0513284 B1 EP 0513284B1
Authority
EP
European Patent Office
Prior art keywords
register
printing
control
monitoring
control unit
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
EP91920435A
Other languages
German (de)
English (en)
Other versions
EP0513284A1 (fr
Inventor
Hans W. Wehmeier
Michael Wiebe
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.)
ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH
Original Assignee
ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH
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 ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH filed Critical ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH
Publication of EP0513284A1 publication Critical patent/EP0513284A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices

Definitions

  • the invention relates to a register control device for monitoring multicolor printing machines.
  • a web to be printed is passed through a plurality of printing units arranged one behind the other and equipped with printing rollers. Drying devices are arranged between the printing units, through which the web to be printed runs and which dry the material or the applied ink. Because of these drying devices, the web to be printed between the printing units always undergoes a change in length in the range from 1 to a few tenths of a millimeter.
  • the printing presses themselves have inherent stability within certain limits, within which no correction settings are required. However, this inherent stability is only achieved when the material to be printed is stretched. This required material tension is u. a. achieved by increasing the diameter of the successive impression rollers or impression cylinders, since the impression cylinder following in the conveying direction then tries to convey somewhat more material than the previous impression cylinder. The increase in diameter of the pressure cylinders is in the range of a few 100ths of a mm, but is sufficient to generate the required tensile stress.
  • the register control device makes it possible, as it were, to preserve a correct setting even after a speed change phase, since operating the control device during the acceleration or braking phase would otherwise lead to adjustments which lead to higher rejects due to problematic signal recording and signal evaluation would be as if, as is provided according to the invention, the register control device is switched off during the speed change states.
  • One of the particular advantages of the register control device according to the invention is that the technical measures taken to achieve the desired goal of minimizing rejects are simple and inexpensive to implement and lead to surprisingly high minimization rates.
  • a register control device 1 is provided for monitoring a multi-color printing press 2, which can be designed, for example, as a rotary printing press.
  • the multicolor printing machine 2 has four printing units 3 to 6, in which the colors yellow, red, blue and black are successively applied to a material 7 to be printed in the form of a running material web.
  • each of the printing units 3 to 6 each has a printing cylinder 8, 9, 10 and 11 rotating in an ink bath.
  • the material web 7 is passed one after the other through the printing units 3 to 6, it being passed over the printing cylinders 8 to 11, respectively.
  • Each printing unit 3 to 6 also has a drying device 12, 13, 14 and 15, which, viewed in the direction of travel of the material web 7, is arranged downstream of the associated printing cylinder 8, 9, 10 and 11, respectively.
  • the drying devices can be designed, for example, in the form of a drying drum.
  • the printing units 3, 4 and 5 are provided with a register roller arrangement 16, 17 and 18, which each have a correction motor 19, 20 and 21 respectively.
  • the register control device 1 which represents a control device arranged in a housing (not shown), has a central unit 22 for recording and storing all control parameters and the control behavior.
  • the register control device 1 preferably has control units designed as plug-in modules, of which the control unit 23 is shown in the figure. These control units serve to control the longitudinal register and / or to combine the longitudinal and side register, and for this purpose act on the aforementioned correction motors 19 to 21 of the respective register roller arrangement 16, 17 and 18.
  • the register control device 1 also has a scanning device 24 which comprises scanning heads 25, 26 and 27 which are arranged in the printing units 4, 5 and 6 and which register the register marks of the running material web 7.
  • the scanning heads 25, 26 and 27 are arranged at a suitable point in the printing units 4, 5 and 6, as seen in the running direction of the web material 7, behind the printing cylinders.
  • the scanning heads 25, 26 and 27 are connected to a signal recording unit of the scanning device 24, which in turn forwards the determined signals to the central unit 22.
  • the latter has an acceleration detection device 28.
  • the acceleration detection device 28 has speedometers, for example in the form of rotary encoders 29 to 32, which are assigned to the pressure cylinders 8 to 11.
  • Such rotary encoders or incremental encoders detect the speed of the printing cylinders, from which the acceleration detection device 28, in conjunction with the known scope of the printing cylinders, detects the operating speed the printing press 2, e.g. B. by comparing the detected speed values.
  • a switch-off device 33 which is in signal connection with the acceleration detection device 28.
  • the switch-off device 33 interrupts the control activity of the register control device 1 until a constant operating speed of the printing press 2 is again determined.
  • the register control device 1 is activated again via the switch-off device 33 (or switch-off and switch-on device), so that corrections can be made to the register roller arrangements in accordance with the control behavior set in each case, for example to change the length of the material web due to temperature 7 balance.
  • the shutdown device 33 can be connected to a switch 37, 38 or 39, for example, via a signal line 34, 35 or 36, respectively.
  • the switches 37, 38 and 39 are each arranged in a line 40, 41 and 42, respectively, which connect the control units 23 to the correction motors 19, 20 and 21, respectively. If the shutdown device is acted upon by a signal from the acceleration detection device 28 which indicates a change in the operating speed of the printing press, it opens the switches 37, 38 and 39 and thus separates the control units 23 from the correction motors. This in turn interrupts the control activity until a constant speed is reached again. Then the switches 37, 38 and 39 are closed, so that the register control device comes into effect again.
  • the invention provides a device for register control for multi-color printing presses, in particular web-fed rotary printing presses.
  • the device has a controller with a central unit for recording and storing all control parameters and the control behavior.
  • a scanning device is also provided for detecting web register marks.
  • Control units or actuators are provided for regulating the longitudinal register and / or combined regulation of the longitudinal and side register.
  • a monitoring device is formed in the device according to the invention, which has an acceleration detection device that determines a speed change of the printing press that deviates from a stable web speed, preferably on the printing cylinders.
  • the monitoring device has a switch-off device which is in signal connection with the acceleration detection device and which interrupts the control activity when a signal representing the change in speed occurs until a constant operating speed is again reached.
  • Control with the device according to the invention can thus preferably be carried out according to the principle of the train / train method.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Ink Jet (AREA)

Abstract

Le fonctionnement d'un dispositif de repérage (1) utile pour surveiller des machines à imprimer en plusieurs couleurs est interrompu à chaque fois qu'il survient une modification de la vitesse de fonctionnement, que ce soit une accélération ou un ralentissement.

Claims (1)

  1. Dispositif de repérage (1) pour surveiller des machines à imprimer (2) en plusieurs couleurs
    - avec une unité centrale (22) pour la saisie et la mémorisation de tous les paramètres de réglage et de l'état du réglage,
    - avec un dispositif de lecture (24) pour la saisie des repères de bande, et
    - avec des unités de réglage (23) pour le réglage longitudinal et/ou pour le réglage combiné longitudinal et latéral,
       caractérisé par
    - un dispositif de saisie d'accélération (28) qui détecte une variation de la vitesse de fonctionnement de la machine à imprimer (2), et
    - un dispositif de déconnection (33) qui transmet un signal au dispositif de saisie d'accélération (28) et qui interrompt l'activité de réglage en cas d'occurrence d'une variation de la vitesse de fonctionnement de la machine à imprimer (2).
EP91920435A 1990-11-27 1991-11-27 Dispositif de reperage utile pour surveiller des machines a imprimer en plusieurs couleurs Expired - Lifetime EP0513284B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4037728 1990-11-27
DE4037728A DE4037728C1 (fr) 1990-11-27 1990-11-27
PCT/EP1991/002246 WO1992009434A1 (fr) 1990-11-27 1991-11-27 Dispositif de reperage utile pour surveiller des machines a imprimer en plusieurs couleurs

Publications (2)

Publication Number Publication Date
EP0513284A1 EP0513284A1 (fr) 1992-11-19
EP0513284B1 true EP0513284B1 (fr) 1995-03-08

Family

ID=6419021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91920435A Expired - Lifetime EP0513284B1 (fr) 1990-11-27 1991-11-27 Dispositif de reperage utile pour surveiller des machines a imprimer en plusieurs couleurs

Country Status (4)

Country Link
EP (1) EP0513284B1 (fr)
DE (2) DE4037728C1 (fr)
ES (1) ES2072630T3 (fr)
WO (1) WO1992009434A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132266B4 (de) * 2000-07-11 2015-10-22 Heidelberger Druckmaschinen Ag Verfahren zur Regelung des Übergabepassers in einer Bogenrotationsdruckmaschine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4301272A1 (de) 1993-01-19 1994-07-21 Eltromat Ges Fuer Ind Elektron Vorrichtung zur Bestimmung des Registerfehlers zwischen den einzelnen Farben beim Mehrfarbendruck in einer Langbahn-Rollenrotationsdruckmaschine
DE20000919U1 (de) * 2000-01-20 2000-03-09 Roland Man Druckmasch Überwachungseinrichtung für eine Druckmaschine
DE102005033585A1 (de) * 2005-07-19 2007-02-01 Bosch Rexroth Aktiengesellschaft Registerregelung
DE102005041651A1 (de) 2005-09-02 2007-03-22 Bosch Rexroth Aktiengesellschaft Verfahren zur Druckkorrektur
DE102007026649A1 (de) * 2007-06-08 2008-12-11 Manroland Ag Verfahren zur Registerregelung
CN108202525B (zh) * 2018-03-07 2024-05-03 河北万杰机械科技股份有限公司 组合式间歇轮转印刷包装机械的自动套准装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1263142B (de) * 1966-01-29 1968-03-14 Siemens Ag Einrichtung zur Registerregelung
US3556509A (en) * 1968-08-21 1971-01-19 Harris Intertype Corp Printed web ribbon registration control system
FR2263550A1 (en) * 1974-03-04 1975-10-03 Roland Emballages Positioning device for printing registration - has photoelectric detectors in control loop operating with processor
DE2557944C3 (de) * 1975-12-22 1982-12-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Erzeugung von Austastsignalen für die Registerregelung
US4318176A (en) * 1980-03-03 1982-03-02 Hurletronaltair, Inc. Computerized press controls
DE3807129A1 (de) * 1988-03-04 1989-09-14 Ortopedia Gmbh Regelvorrichtung, insbesondere fuer rollstuhl

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132266B4 (de) * 2000-07-11 2015-10-22 Heidelberger Druckmaschinen Ag Verfahren zur Regelung des Übergabepassers in einer Bogenrotationsdruckmaschine

Also Published As

Publication number Publication date
WO1992009434A1 (fr) 1992-06-11
DE59104896D1 (de) 1995-04-13
EP0513284A1 (fr) 1992-11-19
ES2072630T3 (es) 1995-07-16
DE4037728C1 (fr) 1992-06-25

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