EP0747215B1 - Dispositif de commande pour une machine à imprimer - Google Patents

Dispositif de commande pour une machine à imprimer Download PDF

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Publication number
EP0747215B1
EP0747215B1 EP96107751A EP96107751A EP0747215B1 EP 0747215 B1 EP0747215 B1 EP 0747215B1 EP 96107751 A EP96107751 A EP 96107751A EP 96107751 A EP96107751 A EP 96107751A EP 0747215 B1 EP0747215 B1 EP 0747215B1
Authority
EP
European Patent Office
Prior art keywords
stations
units
printing press
control
printing
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
EP96107751A
Other languages
German (de)
English (en)
Other versions
EP0747215A2 (fr
EP0747215A3 (fr
Inventor
Johannes Tenfelde
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7763916&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0747215(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0747215A2 publication Critical patent/EP0747215A2/fr
Publication of EP0747215A3 publication Critical patent/EP0747215A3/fr
Application granted granted Critical
Publication of EP0747215B1 publication Critical patent/EP0747215B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0009Central control units

Definitions

  • the invention relates to a controller for a printing press, in particular Sheetfed offset printing machine according to the preamble of claim 1.
  • Sheetfed offset printing presses of the type widely used today generally have so-called central controls, which in particular in the form of a PLC or. PC board control are built. It is also known to control the Functional division of the printing press. So a computer can be provided that permanent the switching states or signals of actuators, control buttons or sensors reads and a second computer in particular the main drive and the Angle of rotation of moving machine parts related switching operations of the printing press controls As so-called rotation-dependent switching functions, this is an example Print-on / print-off, the switching on and off of ink and dampening rollers, blocking the sheet inlet, switching the feeder and switching certain ones Functions called in the boom. These switching operations are time-critical, i.e. especially placing the inked blanket cylinder against the one carrying the sheet Impression cylinder may only be done during the channel correspondence of the cylinders, if the first sheet to be printed is already on the impression cylinder.
  • a disadvantage in such a centrally constructed and implementing a sequential circuit Controls is that the program structure in the computer of the control exactly on the Configuration of the machine must be switched off.
  • a sheetfed press with one different number of printing units therefore requires a different number Programming the corresponding control. This is complicated significant, which is a clear trend towards the so-called In-line finishing or further processing exists.
  • In sheetfed offset presses are often one or more after the last printing unit and before the delivery Painting facilities or other coating plants interposed. Since also in switching operations dependent on the angular position are to be carried out for these devices, these functions must also be taken over by the central control.
  • a central control of the type briefly outlined above is known from DE 3 815 534 A1, which has a system for detecting the position of moving machine parts. For this purpose, the signals of a single-rotating shaft of the machine attached incremental encoder evaluated.
  • a central control with such a System has the aforementioned drawbacks. Instead of an incremental encoder a so-called to detect the position of moving machine parts Absolute angle encoders can be used. However, this does not change the complexity of the Control that results is a printing press individually with a different Number of units equipped.
  • a control for rotary printing presses is known from EP 0 543 281 A1 which is assigned to each system part a computer representing the control and the Computer in the individual system parts via a bus system called a network are interconnected.
  • a networking interface between the individual ARCNET is suggested using coax cables.
  • rotation-dependent switching operations are not in this document described.
  • DE 42 14 394 A1 describes a multi-motor drive for a rotary printing press known in which a number of cylinders and at least one folder each have a separate drive.
  • the individual drives of the cylinders and their Drive controllers are grouped into pressure point groups, these pressure point groups are assigned to one of the folders and their position reference of refer to this folder.
  • the administration of the pressure point groups is done by a superordinate control system.
  • the angular position values transmitted via the bus systems are used to generate a synchronization, for example between two separately driven cylinders, but not triggering certain ones Switching operations to be carried out.
  • the object of the present invention is therefore a controller according to the preamble of claim 1 to expand in such a way that the disadvantages described above can be avoided and flexibility in terms of equipment of the machine is achievable.
  • the individual stations of the units connecting bus system as an event-driven, message-oriented Communication system i.e. as a bus system with a message-oriented Protocol is formed.
  • the CAN bus Controller Area Network
  • each station of a unit of the printing press is designed to permanently record the single-speed angular position of the printing press and evaluate.
  • Message from the bus system to the individual stations or from the stations received event is triggered by the respective stations triggering all in the units assigned to the stations according to the message / event provided angle-dependent switching operations.
  • a specific event Corresponding message can be sent from the sending station to all others at the same time Stations are sent.
  • the station detecting the event the intended message according to a distribution schedule provided for the event sends one or more stations and this in turn sends a message to one or more Stations forwarded.
  • the message or the event transmitted via the bus system is thereby from sent to the station through which the event was determined.
  • the detection of a missed / skewed sheet on the system of the first Printing unit or a sheet loss between the second and third printing unit called.
  • the station assigned to the respective unit and determining the event now sends the 'missed sheet attachment' or 'skewed sheet' message via the bus system Attachment 'or' sheet loss between DW2 u. DW3 'to the other stations.
  • an Missed sheet / skewed sheet now solves the station assigned to the first printing unit processes to be switched depending on the angle in the first printing unit (e.g. print down) out.
  • Target angular position values now solve the respective switching operations in theirs assigned units (e.g. consistent print-Ab in the first printing unit downstream printing units and disengaging the feeder).
  • each unit of the Printing machine designed as an incremental or absolute angle encoder Has angle measuring device.
  • These angle encoders are single-turn revolving shaft or roller of the respective unit attached. With the printing units a sheetfed offset printing machine can do this, for example, the blanket or Plate cylinder.
  • the printing press in particular has an angle encoder (incremental or absolute) on the first printing unit and this Angular values via a separate bus system to the other stations in the individual Units.
  • This embodiment variant of the invention probably requires one additional cabling for the bus system transmitting the angle values, however, only an angle measuring system is required, which is correspondingly high-resolution can be trained.
  • the individual units of a sheet-fed offset printing press are 1 to 5 indicated, unit 1 being the feeder, units 2 and 3 offset printing units, the Unit 4 is a coating unit and unit 5 is a boom.
  • the single Units 1 to 5 are assigned to stations 1 'to 5' which are designed as computers and which Interfaces and actuators, not shown, the switching functions in the individual Execute units. So station 1 'takes over all switching functions for the Unit representing the investor 1. In particular, the in-phase arrival and departure Switching off the investor mentioned.
  • the station 5 takes over the boom of the Sheet printing unit 5 all relevant for the delivery Switching processes, such as in particular that which is coordinated with the sheet travel, i.e. so too a certain angular position switching means for an automated Stack change or a sample sheet removal.
  • the station 2 'in the first printing unit performing unit 2 is also with sensors for the sheet arrival at the System in connection - only one sheet control 9 is shown here.
  • the individual Stations 1 'to 5' are connected to one another for signal exchange via a bus 6, this bus 6 as a message bus (CAN bus / controller area network) is trained. Via the bus 6, the individual stations 1 '- 5' are also included a control center computer, not shown, and the main drive of the machine connected so that data for presets u. Like. To the individual computers forwardable and run commands can be triggered.
  • the station 2 'of the unit 2 which represents the first printing unit Sheetfed offset press has one attached to a single-speed shaft Angle encoder 7, which is connected on the one hand directly to the station 2 'and on the other via a further bus 8 transmitted to the other angular values of this encoder Units 1 ', 3', 4 'and 5' is switched.
  • Each of the units 1 'to 5' points Corresponding devices designed as an interface, by means of which the signals of the Angle encoder 7 can be continuously detected and read.
  • the operating variant of the embodiment shown in FIG Invention using the example of a so-called missing sheet understood a lack of a sheet on the system with the machine running. At a It is therefore absolutely necessary for such a missing sheet that the Blanket cylinders can be parked from the impression cylinders to color the To prevent impression cylinders. Also the cylinder in the The coating unit (unit 4) must be switched off. Have the described descending processes in doing so according to the sheet travel, so that they are still correctly in the machine incoming sheets can be printed out.
  • the station 2 'of the unit 2 representing the first printing unit is located with a Bow control 9 in signal connection and evaluates the signal of this bow control 9 permanently off. At a certain point in time, station 2 'will not attend of the sheet, i.e. a missing sheet was found.
  • angle values are stored which correspond to those values correspond to which the printing unit cylinders have to be switched off. The station 2 'now causes the system to be blocked at the correspondingly provided angle values, of the pre-gripper and then turning off the blanket cylinder from Impression cylinder as well as parking opposite the plate cylinder in the first Printing unit.
  • stations 1 ', 3', 4 'and 5' Also stored are angular values at which 1, 3, 4, 5 in these units switching measures to be carried out.
  • station 1 on the bus 6 has received the "Missing sheet in the first printing unit” event is transmitted by station 1 the investor switched off.
  • stations 3 ', 4', 5 'to the stored angle values provided Pressure shutdown initiated.
  • stations 1 '- 5' evaluate both the angle signals within one revolution as well as the total number of revolutions.
  • the other switching operations in the individual units 1 to 5 are also initiated. It is essential here that a certain event-related event by one of the Stations 1 '- 5' is sent to the remaining stations 1'- 5 'and each of the stations 1 '- 5' the required switching operations in the associated units 1 - 5 by one Comparison of the recorded current with the correspondingly saved angle values executes automatically.
  • Another advantage of the permanent recording and evaluation of the Angle position signals in the individual stations 1 '- 5' is also that the individual stations 1 '- 5' regardless of the presence or receipt of a message / an event of angle-dependent switching functions in the associated units can execute.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Electric Motors In General (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Claims (4)

  1. Dispositif de commande pour une machine d'impression, en particulier une machine d'impression offset à feuilles, comportant plusieurs unités, comme en particulier un margeur, des unités d'impression, des dispositifs de laquage ou de revêtement, une sortie, le dispositif de commande comportant un calculateur et un bus et, de plus, étant relié à un capteur angulaire et des valeurs de positions angulaires de consigne étant mémorisées dans celui-ci pour déclencher des processus de commutation à mettre en oeuvre pour des positions angulaires déterminées,
    caractérisé en ce que, à chaque unité (1 - 5), il est associé un poste (1' - 5') présentant au moins un calculateur, en ce que les valeurs de positions angulaires de consigne pour les processus de commutation, devant être mises en oeuvre pour un événement déterminé, de l'unité respective (1 - 5) sont mémorisées dans chacun des postes (1' - 5'), en ce qu'un signal, correspondant à la position angulaire, d'au moins une pièce rotative de la machine d'impression peut être amené de façon permanente à chaque poste (1' - 5'), en ce que le bus reliant les postes individuels (1' - 5') est réalisé comme un système de bus basé sur un protocole orienté sur des messages, en ce que, par les postes (1' - 5') de façon dépendant d'un message envoyé par un des postes (1' - 5') par l'intermédiaire du bus (6), le déclenchement des processus de commutation devant être effectués de façon angulairement dépendante dans les unités respectives (1 - 5) peut être réalisé par comparaison de la position angulaire réelle avec des positions angulaires de consigne mémorisées dans les postes (1' - 5').
  2. Dispositif de commande pour une machine d'impression selon la revendication 1,
    caractérisé en ce que, dans chaque unité (1 - 5), il est agencé un capteur angulaire (7) tournant sur un tour.
  3. Dispositif de commande pour une machine d'impression selon la revendication 1,
    caractérisé en ce qu'une des unités (1 - 5) présente un capteur angulaire (7) tournant sur un tour et les signaux du capteur angulaire (7) peuvent être amenés, par l'intermédiaire d'un bus séparé (8), aux postes (1' - 5') des unités (1 - 5).
  4. Dispositif de commande pour une machine d'impression selon la revendication 3,
    caractérisé en ce que le capteur angulaire (7) est agencé sur l'unité (2) représentant la première unité d'impression de la machine d'impression.
EP96107751A 1995-06-08 1996-05-15 Dispositif de commande pour une machine à imprimer Expired - Lifetime EP0747215B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19520918A DE19520918C2 (de) 1995-06-08 1995-06-08 Steuerung für eine Druckmaschine
DE19520918 1995-06-08

Publications (3)

Publication Number Publication Date
EP0747215A2 EP0747215A2 (fr) 1996-12-11
EP0747215A3 EP0747215A3 (fr) 1997-06-11
EP0747215B1 true EP0747215B1 (fr) 1998-11-25

Family

ID=7763916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96107751A Expired - Lifetime EP0747215B1 (fr) 1995-06-08 1996-05-15 Dispositif de commande pour une machine à imprimer

Country Status (4)

Country Link
EP (1) EP0747215B1 (fr)
JP (1) JP2930188B2 (fr)
AT (1) ATE173675T1 (fr)
DE (2) DE19520918C2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29800480U1 (de) * 1998-01-14 1998-03-05 MAN Roland Druckmaschinen AG, 63075 Offenbach Steuersystem für eine Druckmaschine
DE20000919U1 (de) 2000-01-20 2000-03-09 MAN Roland Druckmaschinen AG, 63075 Offenbach Überwachungseinrichtung für eine Druckmaschine
DE10227241A1 (de) * 2002-06-19 2004-01-15 Koenig & Bauer Ag Steuerung für Rotationsdruckmaschinen
FI124205B (en) * 2012-04-24 2014-04-30 Tresu As Coating device, method of operating a coating unit and computer program

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD228700A3 (de) * 1983-06-23 1985-10-16 Falk Buschmann Takterzeugungseinrichtung fuer druckmaschinen
DE3614979C3 (de) * 1986-05-02 1999-12-16 Heidelberger Druckmasch Ag Sicherheitssystem für eine Druckmaschine
DE3730625A1 (de) * 1987-09-11 1989-03-23 Wifag Maschf Positioniersystem der qualitaetsfuehrungsfunktionen in rotationsdruckmaschinen
DE3815534A1 (de) * 1988-05-06 1989-11-16 Heidelberger Druckmasch Ag System zur erfassung der position von beweglichen maschinenteilen
DE3836310C2 (de) * 1988-10-25 1998-01-15 Heidelberger Druckmasch Ag Verfahren zum Einstellen einer Wendeeinrichtung an einer Druckmaschine mit mehreren Druckwerken
DE3839248A1 (de) * 1988-11-21 1990-05-23 Roland Man Druckmasch Dezentraler steuerrechner, insbesondere innerhalb einer rotationsdruckmaschine, der ueber einen bus mit mehreren peripheren einheiten verbunden ist
DE4237837A1 (fr) * 1991-11-21 1993-06-03 Koenig & Bauer Ag
DE4214394C2 (de) * 1992-04-30 1998-08-20 Asea Brown Boveri Antriebsvorrichtung für eine längswellenlose Rotationsdruckmaschine
DE4229645C2 (de) * 1992-09-04 2000-11-02 Heidelberger Druckmasch Ag Verfahren zur Steuerung oder Regelung eines zeitlichen Ablaufes von Betriebvorgängen beim Drucken in einer Druckmaschine

Also Published As

Publication number Publication date
EP0747215A2 (fr) 1996-12-11
DE19520918C2 (de) 1998-02-26
DE19520918A1 (de) 1996-12-12
JP2930188B2 (ja) 1999-08-03
ATE173675T1 (de) 1998-12-15
EP0747215A3 (fr) 1997-06-11
JPH08336957A (ja) 1996-12-24
DE59600857D1 (de) 1999-01-07

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