EP1778490B1 - Method for controlling a machine for processing sheet material - Google Patents

Method for controlling a machine for processing sheet material Download PDF

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Publication number
EP1778490B1
EP1778490B1 EP05764308.2A EP05764308A EP1778490B1 EP 1778490 B1 EP1778490 B1 EP 1778490B1 EP 05764308 A EP05764308 A EP 05764308A EP 1778490 B1 EP1778490 B1 EP 1778490B1
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EP
European Patent Office
Prior art keywords
cylinder
printing
forme
plate
sheet guiding
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EP05764308.2A
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German (de)
French (fr)
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EP1778490B2 (en
EP1778490A2 (en
Inventor
Holger Wiese
Bernd Lindner
Helmut Schild
Lothar KÜHLMEYER
Bernd Marneth
Joachim Blumör
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Manroland Sheetfed GmbH
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Manroland Sheetfed GmbH
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Application filed by Manroland Sheetfed GmbH filed Critical Manroland Sheetfed GmbH
Priority to EP08007735.7A priority Critical patent/EP1952987B1/en
Publication of EP1778490A2 publication Critical patent/EP1778490A2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • 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
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70—Driving devices associated with particular installations or situations
    • B41P2213/73—Driving devices for multicolour presses
    • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft

Definitions

  • the invention relates to a method for controlling a processing machine for sheet material with at least one printing or coating unit according to the preamble of the independent claims 1 and 4.
  • a processing machine of this kind is according to EP 0 812 683 A1 with a controllable direct drive for a single driven cylinder known. From at least for the transport of the sheet material provided gear train a sheetfed offset printing decoupled a plate cylinder or a blanket cylinder is at least one printing unit by means of individual drive in a predeterminable manner directly driven. By individually and independently of other cylinders directly driven plate cylinder in addition to printing correction possibilities also other processes, such as plate replacement or cleaning of cylinders, realized.
  • US-A 5,983,793 is a drivable sheet-fed printing machine, in which the cylinders and drums (for the sheet transport and the respective blanket cylinder) and the plate / forme cylinder via a gear train with controllable main drive can be driven.
  • the plate / form cylinders are each associated with clutches and a single controllable drive.
  • the drives are only available as auxiliary drives with open clutches and do not drive the plate cylinder in the printing operation.
  • the rollers of the inking and / or dampening units can be driven by the plate / forming cylinders each having its own drive.
  • control programs for driving the plate / forme cylinder with dissolved clutches and the related color / dampening units are stored for pre-inking or pre-moistening. Furthermore, in the control programs for driving the remaining cylinders and drums on the main drive with disengaged clutches for washing at least one of the cylinders and drums are stored.
  • the printing press comprises a plurality of plate cylinders drivable by a continuous gear train from a main drive.
  • the plate cylinders are uncoupled and coupled by the continuous gear train for rotational displacement from a pressure-positional angular assignment in the plate change position and from this back.
  • US 2004/0074409 A1 is a painting device for a rotary printing press with a printing cylinder, a blanket cylinder and a plate cylinder with at least one inking known.
  • plate clamping devices are peripherally arranged to fix a bendable laminate.
  • the laminated body comprises a carrier layer and at least one blanket cover layer arranged on the carrier layer, wherein only the carrier layer is fixed by means of the plate clamping devices.
  • the invention is based on the object to provide methods of the type mentioned with a cleaning device, with a significant set-up time reduction should be achieved by overlaying setup operations in conjunction with a plate change.
  • a first advantage of the method for controlling a processing machine with at least one directly driven cylinder is that a significant set-up time reduction is realized by the controlled, simultaneous combination of previously individual or sequential operations on a processing machine.
  • a second advantage is given by the change of a first printing for a second (plate change) on a plate cylinder of an offset printing unit and / or on a forme cylinder of a coating unit of a sheet material processing printing or varnishing machine is realized and at the same time with the change of the printing for Cleaning at least one cylinder, in particular a blanket cylinder and / or an otherwise sheet material transporting cylinder (sheet guiding cylinder), preferably a printing cylinder, takes place.
  • a third advantage is based on the fact that preferably before the change of the printing plates on the plate cylinder, the inking rollers and the respective printing forme are cleaned by means of a known inking unit washing device. As a result, a cleaned printing plate is always removed from the plate cylinder by means of the printing plate changing device, a new printing plate can be fed back to the plate cylinder and the possible contamination of the printing plate changing device or contacted parts by a not or insufficiently cleaned printing plate is avoided.
  • a printing form with removed or noticeably reduced printing ink can then be exchanged for a second printing form by means of a printing form changing device, or the printing plate is additionally cleaned by means of the inking unit washing device (in the case of employed inking rollers).
  • the respective printing forme by means of a cleaning device, preferably with canceled pressure contact between the forme cylinder and the sheet guiding cylinder, is cleaned.
  • a cleaned printing forme is always removed from the forme cylinder by means of the printing plate changing device, a new printing forme can again be supplied to the forme cylinder, and possible fouling of the printing plate changing device or contacted parts by a not or insufficiently cleaned printing forme is avoided.
  • the metering system associated with the forme cylinder for example a chambered doctor blade with a screened application roller, can be cleaned simultaneously with the printing form change.
  • the sheet-fed rotary printing press is exemplified with a feeder 4, five offset printing units 1, a coating unit 2 and a boom 5.
  • Each offset printing unit 1 has, in a known manner, an inking unit 12, a plate cylinder 10 and a blanket cylinder 8. If necessary, each plate cylinder 10 is associated with a dampening unit.
  • the coating unit 2 has, in a known manner, a supply device 11 for the medium to be processed (lacquer, paint), for example a chambered doctor blade with assigned, screened applicator roller, and a forme cylinder 9.
  • Plate cylinder 10 and forme cylinder 9 each carry at least one printing plate.
  • each printing or coating unit 1.2 is formed as a pressure cylinder sheet guiding cylinder 6 with the respective blanket cylinder 8 and form cylinder 9 in functional connection, wherein in the first printing unit 1 formed as a printing cylinder sheet guiding cylinder 6 a plant drum is arranged as a sheet guiding cylinder 6.
  • a transfer cylinder For the sheet transport between the printing cylinders as designed sheet guiding cylinders 6 of the printing or coating units 1, 2 more sheet guiding cylinder 6 are arranged as a transfer cylinder.
  • Each blanket cylinder 8, preferably each form cylinder 9 and each preferably designed as a printing cylinder sheet guiding cylinder 6 is associated with a cleaning device 7.
  • Each inking unit 12 has a Farbwerkschwasch Rhein, for example, directed to the compactor detergent spraying system and a engageable doctor device on a in the direction of rotation of the plate cylinder 10 last inking roller, on.
  • At least all of the sheet guiding cylinders 6 are coupled together via a not-shown main drive gear train.
  • Each plate cylinder 10 and preferably each forme cylinder 9 is driven by a direct drive, ie a separate drive motor, driven. These direct drives take place in a predeterminable manner at least with respect to the sheet guiding cylinders 6.
  • Each blanket cylinder 8 is driven by means of the main drive via a gear train of the sheet guiding cylinder 6.
  • the process for controlling the processing machine takes place in each offset printing unit 1 or coating unit 2 as follows.
  • a pressure contact is released.
  • the plate cylinder 10 is rotated from its current angle assignment in an angular position for removing a first located on the plate cylinder 10 printing form by direct drive.
  • the first printing form is removed from the directly driven plate cylinder 10 and fed a second printing plate to the plate cylinder 10 and fixed thereon.
  • the plate cylinder 10 is rotated with the second printing form in an angular assignment for the printing process by direct drive.
  • a cleaning device 7 is set to the blanket cylinder 8, the blanket is cleaned and then the cleaning device 7 is turned off by the blanket cylinder 8. Subsequently, the blanket cylinder 8 and the meantime the second printing plate bearing plate cylinder 10 are brought in the contact zone in renewed pressure contact.
  • a cleaning device 7 is simultaneously employed on a driven by the main drive and gear train sheet guiding cylinder 6, cleaned the cylinder surface and then turned off the cleaning device 7 again.
  • the cleaning device 7 can be switched on / off, in particular, to a sheet guiding cylinder 6 designed as a printing cylinder (offset printing unit 1), so that per offset printing unit 1 during the printing plate change on the plate cylinder 10, the blanket on the blanket cylinder 8 and the blanket cylinder 8 adjacent sheet guiding cylinder 6 are cleaned simultaneously. If necessary, formed as a printing cylinder sheet guiding cylinder 6 is also cleaned independently of the blanket cylinder 8.
  • the pressure contact between the plate cylinder 10 and blanket cylinder 8 is repealed and the inking rollers and the printing plate on the direct drive plate cylinder 10 are cleaned by means of a Farbwerkschwasch adopted.
  • a cleaned printing plate is always available on the directly drivable plate cylinder 10 for the subsequent printing plate change.
  • a contact zone of the printing plate-bearing designed as a forme cylinder of a coating unit 2 directly driven cylinder 9 is lifted to an adjacent sheet guiding cylinder 6, a pressure contact.
  • the forme cylinder 9 is rotated from its current angle assignment in an angular position for removing a first printing form located on the forme cylinder 9 by means of direct drive, the first printing form is removed from the forme cylinder 9 and a second printing forme is fed to the forme cylinder 9 and fixed thereon. Subsequently, the forme cylinder 9 is rotated with the second printing forme in an angular assignment for the printing process (painting) by means of direct drive.
  • a cleaning device 7 is employed on these driven by the main drive and gear train sheet guiding cylinder 6, cleaned the cylinder surface and then turned off the cleaning device 7. Subsequently, the sheet guiding cylinder 6 and the meantime the second printing plate-carrying forme cylinder 9 are brought in the contact zone in renewed pressure contact.
  • the pressure contact between the forme cylinder 9 and the sheet-guiding cylinder 6 designed as a printing cylinder is canceled and the printing forme on the forme cylinder 9 is cleaned by means of a cleaning device 7 which can be turned on / off.
  • a cleaning device 7 which can be turned on / off.

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

Description

Die Erfindung betrifft ein Verfahren zum Steuern einer Verarbeitungsmaschine für Bogenmaterial mit wenigstens einem Druck- oder Lackwerk nach dem Oberbegriff der unabhängigen Ansprüche 1 und 4.The invention relates to a method for controlling a processing machine for sheet material with at least one printing or coating unit according to the preamble of the independent claims 1 and 4.

Eine Verarbeitungsmaschine dieser Art ist gemäß EP 0 812 683 A1 mit einem steuerbaren Direktantrieb für einen einzeln antreibbaren Zylinder bekannt. Vom zumindest für den Transport des Bogenmaterials vorgesehenen Räderzug einer Bogenoffsetdruckmaschine entkoppelt ist ein Plattenzylinder oder ein Gummituchzylinder zumindest eines Druckwerkes mittels Einzelantrieb in vorgebbarer Weise direkt antreibbar. Durch die einzeln und unabhängig von übrigen Zylindern direkt antreibbaren Plattenzylinder werden neben drucktechnischen Korrekturmöglichkeiten auch weitere Vorgänge, wie Plattenwechsel oder Reinigen von Zylindern, realisiert.A processing machine of this kind is according to EP 0 812 683 A1 with a controllable direct drive for a single driven cylinder known. From at least for the transport of the sheet material provided gear train a sheetfed offset printing decoupled a plate cylinder or a blanket cylinder is at least one printing unit by means of individual drive in a predeterminable manner directly driven. By individually and independently of other cylinders directly driven plate cylinder in addition to printing correction possibilities also other processes, such as plate replacement or cleaning of cylinders, realized.

Aus US-A 5,983,793 (siehe auch EP 0 834 398 A1 ) ist eine antreibbare Bogendruckmaschine bekannt, bei welcher die Zylinder und Trommeln (für den Bogentransport und der jeweilige Gummituchzylinder) sowie die Platten- /Formzylinder über einen Räderzug mit steuerbarem Hauptantrieb antreibbar sind. Den Platten-/Formzylindern sind jeweils Schaltkupplungen sowie ein einzeln steuerbarer Antrieb zugeordnet. Die Antriebe sind als Hilfsantriebe nur bei geöffneten Kupplungen zuschaltbar und treiben den Plattenzylinder im Druckbetrieb nicht an. Die Walzen der Farb- und/oder Feuchtwerke sind von den jeweils einen eigenen Antrieb aufweisenden Platten-/Formzylindern antreibbar.Out US-A 5,983,793 (see also EP 0 834 398 A1 ) is a drivable sheet-fed printing machine, in which the cylinders and drums (for the sheet transport and the respective blanket cylinder) and the plate / forme cylinder via a gear train with controllable main drive can be driven. The plate / form cylinders are each associated with clutches and a single controllable drive. The drives are only available as auxiliary drives with open clutches and do not drive the plate cylinder in the printing operation. The rollers of the inking and / or dampening units can be driven by the plate / forming cylinders each having its own drive.

In einer Steuerung sind Programme zum Antreiben der Platten-/Formzylinder bei gelösten Schaltkupplungen sowie den damit in Verbindung stehenden Farb- /Feuchtwerken zum Voreinfärben oder Vorfeuchten abgelegt. Weiterhin sind in der Steuerung Programme zum Antreiben der übrigen Zylinder und Trommeln über den Hauptantrieb bei gelösten Schaltkupplungen zum Waschen wenigstens eines der Zylinder und Trommeln abgelegt.In a control programs for driving the plate / forme cylinder with dissolved clutches and the related color / dampening units are stored for pre-inking or pre-moistening. Furthermore, in the control programs for driving the remaining cylinders and drums on the main drive with disengaged clutches for washing at least one of the cylinders and drums are stored.

Gemäß DE 42 23 583 A1 ist eine Druckmaschine sowie ein Verfahren zum Antreiben dieser beim Plattenwechsel bekannt. Die Druckmaschine umfasst mehrere, durch einen durchgehenden Räderzug von einem Hauptantrieb antreibbare Plattenzylinder. Zum Drehverbringen aus einer druckpositionsmäßigen Winkelzuordnung in die Plattenwechselposition und aus dieser zurück werden die Plattenzylinder vom durchgehenden Räderzug ab- und angekuppelt.According to DE 42 23 583 A1 is a printing machine and a method for driving this when changing the plate known. The printing press comprises a plurality of plate cylinders drivable by a continuous gear train from a main drive. The plate cylinders are uncoupled and coupled by the continuous gear train for rotational displacement from a pressure-positional angular assignment in the plate change position and from this back.

In dem Dokument DE 101 29 555 A1 ist ein Verfahren zur ein Dublieren vermindernden Steuerung einer Druckmaschine beschrieben. Vor dem Bedrucken eines ersten der Bogen in einem Druckwerk werden sämtliche Druckwerke in Druck-an Position geschaltet.In the document DE 101 29 555 A1 is a method for duplication-reducing control of a printing press described. Before printing a first of the sheets in a printing unit, all printing units are switched to print-on position.

Aus US-A 5,964,157 sind ein Verfahren sowie eine Druckmaschine bekannt, wonach wenigstens einem Teil eines Druckwerks der Druckmaschine eine Waschvorrichtung zugeordnet ist und die Druckmaschine eine Steuerung umfasst. Während des Maschinenlaufs wird der auftretende Farbverbrauch im Druckwerk nach mindestens einer Kenngröße der Farbdosierung bestimmt und aus diesem bestimmten Farbverbrauch wird die Häufigkeit und/oder die Art des Waschvorganges bestimmt.Out US-A 5,964,157 a method and a printing machine are known, according to which at least a part of a printing unit of the printing press is associated with a washing device and the printing press comprises a controller. During the machine run, the ink consumption occurring in the printing unit is determined according to at least one characteristic of the ink metering, and the frequency and / or the nature of the washing process are determined from this particular ink consumption.

Gemäß US 2004/0074409 A1 ist eine Lackiervorrichtung für eine Rotationsdruckmaschine mit einem Druckzylinder, einem Gummituchzylinder und einem Plattenzylinder mit wenigstens einem Farbwerk bekannt. Am Plattenzylinder sind umfangsseitig Plattenspannvorrichtungen angeordnet, um einen biegbaren Schichtkörper zu fixieren. Der Schichtkörper umfasst eine Trägerschicht sowie wenigstens eine auf der Trägerschicht aufbauend angeordnete Gummituchdeckschicht, wobei lediglich die Trägerschicht mittels der Plattenspannvorrichtungen fixiert wird.According to US 2004/0074409 A1 is a painting device for a rotary printing press with a printing cylinder, a blanket cylinder and a plate cylinder with at least one inking known. On the plate cylinder plate clamping devices are peripherally arranged to fix a bendable laminate. The laminated body comprises a carrier layer and at least one blanket cover layer arranged on the carrier layer, wherein only the carrier layer is fixed by means of the plate clamping devices.

Der Erfindung liegt die Aufgabe zu Grunde, Verfahren der eingangs genannten Art mit einer Reinigungsvorrichtung zu schaffen, wobei eine deutliche Rüstzeitverringerung durch Überlagerung von Rüstvorgängen in Verbindung mit einem Plattenwechsel erreicht werden soll.The invention is based on the object to provide methods of the type mentioned with a cleaning device, with a significant set-up time reduction should be achieved by overlaying setup operations in conjunction with a plate change.

Gelöst wird diese Aufgabenstellung durch die Ausbildungsmerkmale der Patentansprüche 1 und 4.This problem is solved by the training features of claims 1 and 4.

Weiterbildungen ergeben sich aus den abhängigen Ansprüchen.Further developments emerge from the dependent claims.

Ein erster Vorteil des Verfahrens zum Steuern einer Verarbeitungsmaschine mit wenigstens einem direktangetriebenen Zylinder besteht darin, dass eine deutliche Rüstzeitverkürzung durch die gesteuerte, gleichzeitige Kombination von bisher einzeln bzw. sequentiell durchgeführten Arbeitsabläufen an einer Verarbeitungsmaschine realisiert wird.A first advantage of the method for controlling a processing machine with at least one directly driven cylinder is that a significant set-up time reduction is realized by the controlled, simultaneous combination of previously individual or sequential operations on a processing machine.

Ein zweiter Vorteil ist dadurch gegeben, indem der Wechsel einer ersten Druckform gegen eine Zweite (Druckplattenwechsel) auf einem Plattenzylinder eines Offsetdruckwerkes und/oder auf einem Formzylinder eines Lackwerkes einer Bogenmaterial verarbeitenden Druck- bzw. Lackiermaschine realisiert wird und gleichzeitig mit dem Wechsel der Druckform das Reinigen zumindest eines Zylinders, insbesondere eines Gummituchzylinders und/oder eines ansonsten Bogenmaterial transportierenden Zylinders (Bogenführungszylinder), vorzugsweise eines Druckzylinders, erfolgt.A second advantage is given by the change of a first printing for a second (plate change) on a plate cylinder of an offset printing unit and / or on a forme cylinder of a coating unit of a sheet material processing printing or varnishing machine is realized and at the same time with the change of the printing for Cleaning at least one cylinder, in particular a blanket cylinder and / or an otherwise sheet material transporting cylinder (sheet guiding cylinder), preferably a printing cylinder, takes place.

Ein dritter Vorteil ist darin begründet, dass vorzugsweise vor dem Wechsel der Druckformen auf dem Plattenzylinder die Farbwerkswalzen und die jeweilige Druckform mittels einer an sich bekannten Farbwerkswascheinrichtung gereinigt werden. Im Ergebnis wird stets eine gereinigte Druckform vom Plattenzylinder mittels der Druckformwechsel-Einrichtung entfernt, eine neue Druckform kann wieder dem Plattenzylinder zugeführt werden und das mögliche Verschmutzen der Druckformwechsel-Einrichtung bzw. kontaktierter Teile durch eine nicht bzw. unzureichend gereinigte Druckform wird vermieden.A third advantage is based on the fact that preferably before the change of the printing plates on the plate cylinder, the inking rollers and the respective printing forme are cleaned by means of a known inking unit washing device. As a result, a cleaned printing plate is always removed from the plate cylinder by means of the printing plate changing device, a new printing plate can be fed back to the plate cylinder and the possible contamination of the printing plate changing device or contacted parts by a not or insufficiently cleaned printing plate is avoided.

Alternativ ist es möglich, dass eine erste, noch eingefärbte (abgedruckte) Druckform über die Druckformwechsel-Einrichtung gegen eine zweite Druckform auf dem Plattenzylinder ausgewechselt wird. Hierbei ist jedoch - wie bereits erwähnt- mit Verschmutzungen an der Druckformwechsel-Einrichtung zu rechnen.Alternatively, it is possible that a first, still colored (printed) printing form on the printing form changing device against a second printing form is replaced on the plate cylinder. However, this is - as already mentioned - to expect dirt on the printing plate changing device.

Weiterhin ist es möglich von einer eingefärbten Druckform die Druckfarbe zu entfernen bzw. spürbar zu reduzieren, indem die Druckform auf dem Plattenzylinder mit dem Gummituch auf dem Gummituchzylinder in Kontakt ist und mittels Gummituchzylinder bzw. Gummituch eine vorbestimmte Anzahl von Bogen bedruckt werden, wobei vorher die Farbzuführung zur Druckform unterbrochen wird. Eine Druckform mit entfernter bzw. spürbar reduzierter Druckfarbe kann dann mittels Druckformwechsel-Einrichtung gegen eine zweite Druckform ausgewechselt werden oder die Druckform wird zusätzlich mittels der Farbwerkswascheinrichtung (bei angestellten Farbauftragwalzen) gereinigt.Furthermore, it is possible to remove from a colored printing form, the ink or noticeably reduced by the printing plate on the plate cylinder with the blanket on the blanket cylinder in contact and are printed by blanket cylinder or blanket a predetermined number of sheets, previously the Ink supply to the printing form is interrupted. A printing form with removed or noticeably reduced printing ink can then be exchanged for a second printing form by means of a printing form changing device, or the printing plate is additionally cleaned by means of the inking unit washing device (in the case of employed inking rollers).

Als vierter Vorteil ist aufzuführen, dass vorzugsweise vor dem Wechsel der Druckformen auf dem Formzylinder die jeweilige Druckform mittels einer Reinigungsvorrichtung, vorzugsweise bei aufgehobenem Druckkontakt zwischen dem Formzylinder und dem Bogenführungszylinder, gereinigt wird. Im Ergebnis wird stets eine gereinigte Druckform vom Formzylinder mittels der Druckformwechsel-Einrichtung entfernt, eine neue Druckform kann wieder dem Formzylinder zugeführt werden und ein mögliches Verschmutzen der Druckformwechsel-Einrichtung bzw. kontaktierter Teile durch eine nicht bzw. unzureichend gereinigte Druckform wird vermieden.As a fourth advantage is to be mentioned that preferably before changing the printing plates on the forme cylinder, the respective printing forme by means of a cleaning device, preferably with canceled pressure contact between the forme cylinder and the sheet guiding cylinder, is cleaned. As a result, a cleaned printing forme is always removed from the forme cylinder by means of the printing plate changing device, a new printing forme can again be supplied to the forme cylinder, and possible fouling of the printing plate changing device or contacted parts by a not or insufficiently cleaned printing forme is avoided.

Alternativ ist es möglich, dass eine erste, abgedruckte Druckform über die Druckformwechsel-Einrichtung gegen eine zweite Druckform auf dem Formzylinder ausgewechselt wird. Hierbei ist jedoch - wie bereits erwähnt - mit Verschmutzungen zu rechnen.Alternatively, it is possible for a first, printed printing form to be replaced by the printing form changing device against a second printing form on the forme cylinder. Here, however, as already mentioned, dirt can be expected.

Bei Bedarf kann gleichzeitig zum Druckformwechsel das dem Formzylinder zugeordnete Dosiersystem, beispielsweise ein Kammerrakel mit gerasterter Auftrag- walze, gereinigt werden.If required, the metering system associated with the forme cylinder, for example a chambered doctor blade with a screened application roller, can be cleaned simultaneously with the printing form change.

Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden. Dabei zeigt schematisch:

Fig. 1
eine Bogenrotationsdruckmaschine mit mehreren Druckwerken und einem Lackwerk.
The invention will be explained in more detail using an exemplary embodiment. It shows schematically:
Fig. 1
a sheet-fed rotary printing machine with several printing units and a coating unit.

Die Bogenrotationsdruckmaschine ist beispielhaft mit einem Anleger 4, fünf Offsetdruckwerken 1, einem Lackwerk 2 sowie einem Ausleger 5 dargestellt. Jedes Offsetdruckwerk 1 weist in bekannter Weise ein Farbwerk 12, einen Plattenzylinder 10 und einen Gummituchzylinder 8 auf. Bei Bedarf ist jedem Plattenzylinder 10 ein Feuchtwerk zugeordnet. Das Lackwerk 2 weist in bekannter Weise eine Versorgungseinrichtung 11 für das zu verarbeitende Medium (Lack, Farbe), beispielsweise ein Kammerrakel mit zugeordneter, gerasterter Auftragwalze, sowie einen Formzylinder 9 auf. Plattenzylinder 10 und Formzylinder 9 tragen jeweils zumindest eine Druckform.The sheet-fed rotary printing press is exemplified with a feeder 4, five offset printing units 1, a coating unit 2 and a boom 5. Each offset printing unit 1 has, in a known manner, an inking unit 12, a plate cylinder 10 and a blanket cylinder 8. If necessary, each plate cylinder 10 is associated with a dampening unit. The coating unit 2 has, in a known manner, a supply device 11 for the medium to be processed (lacquer, paint), for example a chambered doctor blade with assigned, screened applicator roller, and a forme cylinder 9. Plate cylinder 10 and forme cylinder 9 each carry at least one printing plate.

Für den Bogentransport in Förderrichtung 3 sind mehrere Bogenführungszylinder 6 vorgesehen. In jedem Druck- bzw. Lackwerk 1,2 ist ein als Druckzylinder ausgebildeter Bogenführungszylinder 6 mit dem jeweiligen Gummituchzylinder 8 bzw. Formzylinder 9 in Funktionsverbindung, wobei im ersten Druckwerk 1 dem als Druckzylinder ausgebildeten Bogenführungszylinder 6 eine Anlagetrommel als Bogenführungszylinder 6 vorgeordnet ist. Für den Bogentransport sind zwischen den als Druckzylindern ausgebildeten Bogenführungszylindern 6 der Druck- bzw. Lackwerke 1, 2 weitere Bogenführungszylinder 6 als Transferzylinder angeordnet.For the sheet transport in the conveying direction 3 more sheet guiding cylinder 6 are provided. In each printing or coating unit 1.2 is formed as a pressure cylinder sheet guiding cylinder 6 with the respective blanket cylinder 8 and form cylinder 9 in functional connection, wherein in the first printing unit 1 formed as a printing cylinder sheet guiding cylinder 6 a plant drum is arranged as a sheet guiding cylinder 6. For the sheet transport between the printing cylinders as designed sheet guiding cylinders 6 of the printing or coating units 1, 2 more sheet guiding cylinder 6 are arranged as a transfer cylinder.

Jedem Gummituchzylinder 8, bevorzugt jedem Formzylinder 9 und jedem vorzugsweise als Druckzylinder ausgebildeten Bogenführungszylinder 6 ist eine Reinigungsvorrichtung 7 zugeordnet. Jedes Farbwerk 12 weist eine Farbwerkswascheinrichtung, beispielsweise ein auf den Walzenzug gerichtetes Waschmittel- Sprühsystem sowie eine anstellbare Rakeleinrichtung an einer in Drehrichtung des Plattenzylinders 10 letzten Farbwerkswalze, auf.Each blanket cylinder 8, preferably each form cylinder 9 and each preferably designed as a printing cylinder sheet guiding cylinder 6 is associated with a cleaning device 7. Each inking unit 12 has a Farbwerkschwascheinrichtung, for example, directed to the compactor detergent spraying system and a engageable doctor device on a in the direction of rotation of the plate cylinder 10 last inking roller, on.

Zumindest sämtliche Bogenführungszylinder 6 sind über einen nicht näher aufgezeigten Hauptantriebs-Räderzug miteinander gekoppelt. Jeder Plattenzylinder 10 und bevorzugt jeder Formzylinder 9 wird durch einen Direktantrieb, d.h. einen separaten Antriebsmotor, angetrieben. Diese Direktantriebe erfolgen in vorgebbarer Weise zumindest gegenüber den Bogenführungszylindern 6.At least all of the sheet guiding cylinders 6 are coupled together via a not-shown main drive gear train. Each plate cylinder 10 and preferably each forme cylinder 9 is driven by a direct drive, ie a separate drive motor, driven. These direct drives take place in a predeterminable manner at least with respect to the sheet guiding cylinders 6.

Jeder Gummituchzylinder 8 wird mittels des Hauptantriebes über einen Räderzug der Bogenführungszylinder 6 angetrieben.Each blanket cylinder 8 is driven by means of the main drive via a gear train of the sheet guiding cylinder 6.

Das Verfahren zur Steuerung der Verarbeitungsmaschine vollzieht sich bei jedem Offsetdruckwerk 1 bzw. Lackwerk 2 wie folgt.The process for controlling the processing machine takes place in each offset printing unit 1 or coating unit 2 as follows.

In einer Kontaktzone des die Druckform tragenden, als Plattenzylinder eines Offsetdruckwerkes 1 ausgebildeten direktangetriebenen Zylinders 10 wird zu einem benachbarten Gummituchzylinder 8 ein Druckkontakt aufgehoben. Anschließend wird der Plattenzylinder 10 aus seiner aktuellen Winkelzuordnung in eine Winkelposition zum Entfernen einer ersten auf dem Plattenzylinder 10 befindlichen Druckform mittels Direktantrieb verdreht. Im Anschluss wird die erste Druckform vom direkt antreibbaren Plattenzylinder 10 entfernt und eine zweite Druckform dem Plattenzylinder 10 zugeführt sowie darauf fixiert. Anschließend wird der Plattenzylinder 10 mit zweiter Druckform in eine Winkelzuordnung für den Druckvorgang mittels Direktantrieb verdreht. Gleichzeitig mit dem oben beschriebenen Wechseln der Druckformen auf dem Plattenzylinder 10 und bei aufgehobenem Druckkontakt zwischen Platten- und Gummituchzylinder 10; 8 wird eine Reinigungsvorrichtung 7 an den Gummituchzylinder 8 angestellt, das Gummituch wird gereinigt und danach wird die Reinigungsvorrichtung 7 vom Gummituchzylinder 8 abgestellt. Anschließend werden der Gummituchzylinder 8 sowie der inzwischen die zweite Druckform tragende Plattenzylinder 10 in der Kontaktzone in erneuten Druckkontakt gebracht.In a contact zone of the printing plate bearing, designed as a plate cylinder of an offset printing unit 1 directly driven cylinder 10 to a neighboring blanket cylinder 8 a pressure contact is released. Subsequently, the plate cylinder 10 is rotated from its current angle assignment in an angular position for removing a first located on the plate cylinder 10 printing form by direct drive. Subsequently, the first printing form is removed from the directly driven plate cylinder 10 and fed a second printing plate to the plate cylinder 10 and fixed thereon. Subsequently, the plate cylinder 10 is rotated with the second printing form in an angular assignment for the printing process by direct drive. Simultaneously with the above-described changing of the printing plates on the plate cylinder 10 and with canceled pressure contact between plate and blanket cylinder 10; 8, a cleaning device 7 is set to the blanket cylinder 8, the blanket is cleaned and then the cleaning device 7 is turned off by the blanket cylinder 8. Subsequently, the blanket cylinder 8 and the meantime the second printing plate bearing plate cylinder 10 are brought in the contact zone in renewed pressure contact.

Während der Druckformwechsel auf dem Plattenzylinder 10 und dem Reinigen des Gummituches auf dem Gummituchzylinder 8 wird gleichzeitig an einen mittels Hauptantrieb und Räderzug angetriebenen Bogenführungszylinder 6 eine Reinigungsvorrichtung 7 angestellt, dessen Zylindermantelfläche gereinigt und danach die Reinigungsvorrichtung 7 wieder abgestellt.During the printing plate change on the plate cylinder 10 and the cleaning of the blanket on the blanket cylinder 8 a cleaning device 7 is simultaneously employed on a driven by the main drive and gear train sheet guiding cylinder 6, cleaned the cylinder surface and then turned off the cleaning device 7 again.

Die Reinigungsvorrichtung 7 ist insbesondere an einen als Druckzylinder (Offsetdruckwerk 1) ausgebildeten Bogenführungszylinder 6 an-/abstellbar, so dass pro Offsetdruckwerk 1 während des Druckformwechsels auf dem Plattenzylinder 10 das Gummituch auf dem Gummituchzylinder 8 und der dem Gummituchzylinder 8 benachbarte Bogenführungszylinder 6 gleichzeitig gereinigt werden. Bei Bedarf wird der als Druckzylinder ausgebildete Bogenführungszylinder 6 auch unabhängig vom Gummituchzylinder 8 gereinigt.The cleaning device 7 can be switched on / off, in particular, to a sheet guiding cylinder 6 designed as a printing cylinder (offset printing unit 1), so that per offset printing unit 1 during the printing plate change on the plate cylinder 10, the blanket on the blanket cylinder 8 and the blanket cylinder 8 adjacent sheet guiding cylinder 6 are cleaned simultaneously. If necessary, formed as a printing cylinder sheet guiding cylinder 6 is also cleaned independently of the blanket cylinder 8.

Bevorzugt wird vor dem Wechsel einer Druckform auf dem Plattenzylinder 10 der Druckkontakt zwischen Plattenzylinder 10 und Gummituchzylinder 8 aufgehoben und die Farbwerkswalzen und die Druckform auf dem direktangetriebenen Plattenzylinder 10 werden mittels einer Farbwerkswascheinrichtung gereinigt. Dadurch steht stets eine gereinigte Druckform auf dem direkt antreibbaren Plattenzylinder 10 für den nachfolgenden Druckformwechsel zur Verfügung.Preferably, before the change of a printing plate on the plate cylinder 10, the pressure contact between the plate cylinder 10 and blanket cylinder 8 is repealed and the inking rollers and the printing plate on the direct drive plate cylinder 10 are cleaned by means of a Farbwerkschwascheinrichtung. As a result, a cleaned printing plate is always available on the directly drivable plate cylinder 10 for the subsequent printing plate change.

In einer Kontaktzone des die Druckform tragenden, als Formzylinder eines Lackwerkes 2 ausgebildeten direktangetriebenen Zylinders 9 wird zu einem benachbarten Bogenführungszylinder 6 ein Druckkontakt aufgehoben. Der Formzylinder 9 wird aus seiner aktuellen Winkelzuordnung in eine Winkelposition zum Entfernen einer ersten auf dem Formzylinder 9 befindlichen Druckform mittels Direktantrieb verdreht, die erste Druckform wird vom Formzylinder 9 entfernt und eine zweite Druckform wird dem Formzylinder 9 zugeführt sowie darauf fixiert. Anschließend wird der Formzylinder 9 mit zweiter Druckform in eine Winkelzuordnung für den Druckvorgang (Lackiervorgang) mittels Direktantrieb verdreht.In a contact zone of the printing plate-bearing, designed as a forme cylinder of a coating unit 2 directly driven cylinder 9 is lifted to an adjacent sheet guiding cylinder 6, a pressure contact. The forme cylinder 9 is rotated from its current angle assignment in an angular position for removing a first printing form located on the forme cylinder 9 by means of direct drive, the first printing form is removed from the forme cylinder 9 and a second printing forme is fed to the forme cylinder 9 and fixed thereon. Subsequently, the forme cylinder 9 is rotated with the second printing forme in an angular assignment for the printing process (painting) by means of direct drive.

Gleichzeitig mit dem Wechseln der Druckformen auf dem direktangetriebenen Formzylinder 9 und bei aufgehobenem Druckkontakt zwischen Formzylinder 9 und dem als Druckzylinder ausgebildeten Bogenführungszylinder 6 wird eine Reinigungsvorrichtung 7 an diesen mittels Hauptantrieb und Räderzug antreibbaren Bogenführungszylinder 6 angestellt, dessen Zylindermantelfläche gereinigt und danach die Reinigungsvorrichtung 7 abgestellt. Anschließend werden der Bogenführungszylinder 6 sowie der inzwischen die zweite Druckform tragende Formzylinder 9 in der Kontaktzone in erneuten Druckkontakt gebracht.Simultaneously with the change of the printing plates on the direct drive cylinder 9 and canceled pressure contact between the form cylinder 9 and the pressure cylinder formed as a sheet guiding cylinder 6, a cleaning device 7 is employed on these driven by the main drive and gear train sheet guiding cylinder 6, cleaned the cylinder surface and then turned off the cleaning device 7. Subsequently, the sheet guiding cylinder 6 and the meantime the second printing plate-carrying forme cylinder 9 are brought in the contact zone in renewed pressure contact.

Bevorzugt wird vor dem Wechsel einer Druckform auf dem direktangetriebenen Formzylinder 9 der Druckkontakt zwischen Formzylinder 9 und dem als Druckzylinder ausgebildeten Bogenführungszylinder 6 aufgehoben und die Druckform auf dem Formzylinder 9 wird mittels einer an-/abstellbaren Reinigungsvorrichtung 7 gereinigt. Bevorzugt ist die dem Formzylinder 9 benachbarte, beispielsweise gerasterte, Auftragwalze an-/ abstellbar ausgebildet und beim Reinigen zum Formzylinder 9 außer Kontakt. Preferably, before the change of a printing forme on the direct-drive forme cylinder 9, the pressure contact between the forme cylinder 9 and the sheet-guiding cylinder 6 designed as a printing cylinder is canceled and the printing forme on the forme cylinder 9 is cleaned by means of a cleaning device 7 which can be turned on / off. Preferably, the forme cylinder 9 adjacent, for example, screened, applicator roll on / off adjustable trained and cleaning to form cylinder 9 out of contact.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
OffsetdruckwerkOffset printing
22
Lackwerkcoating unit
33
Förderrichtungconveying direction
44
Anlegerinvestor
55
Auslegerboom
66
BogenführungszylinderSheet guiding cylinder
77
Reinigungsvorrichtungcleaning device
88th
GummituchzylinderBlanket cylinder
99
Formzylinder (direktangetriebener Zylinder)Form cylinder (directly driven cylinder)
1010
Plattenzylinder (direktangetriebener Zylinder)Plate cylinder (direct drive cylinder)
1111
Versorgungseinrichtungsupply
1212
Farbwerkinking

Claims (5)

  1. A method for controlling a processing machine for sheet-fed material with at least one offset printing unit (1), wherein a plate cylinder (10) that is mounted in side frames and carries a printing forme is coupled to a direct drive and mechanically decoupled from a main drive acting on a wheel train of cylinders and drums formed as sheet guiding cylinder (6) for the sheet transport in such a manner that the plate cylinder (10) during the printing operation is driven by means of the direct drive, wherein the plate cylinder (10) is driveable in a predeterminable manner at least with respect to the sheet guiding cylinders (6) and wherein adjacent to the plate cylinder (10) and the directly adjacent sheet guiding cylinder (6) of the printing unit (1) a blanket cylinder (8) is arranged, which is assigned a cleaning device (7), characterized in that in a contact zone of the directly driven plate cylinder (10) carrying the printing forme to the blanket cylinder (8) a printing contact is suspended, in that the plate cylinder (10) is turned by means of the direct drive out of its current angular allocation into an angle position for removing a first printing forme that is present on the plate cylinder (10), in that the first printing forme is removed from the plate cylinder (10) and a second printing forme is fed to the plate cylinder (10) and fixed thereon and subsequently the plate cylinder (10) with the second printing form is turned into an angular allocation for the printing process by means of direct drive, and in that simultaneously with the changing of the printing formes on the plate cylinder (10) and with suspended printing contact between plate and blanket cylinder (10; 8) a cleaning device (7) is engaged with the blanket cylinder (8), in that the blanket cylinder (8) is driven by means of a main drive via a wheel train of the sheet guiding cylinder (6), the blanket is cleaned and thereafter the cleaning device (7) is disengaged and subsequently the blanket cylinder (8) and the plate cylinder (10) meanwhile carrying the second printing forme are brought into renewed printing contact in the contact zone.
  2. The method according to Claim 1, characterized in that during the printing forme change on the print cylinder (10) and the cleaning of the blanket, a cleaning device (7) is simultaneously engaged with a sheet guiding cylinder (6) driven by means of main drive and wheel train, its cylindrical surface area is cleaned and the cleaning device (7) disengaged thereafter.
  3. The method according to Claim 1, characterized in that prior to the change of a printing forme on the plate cylinder (10) the printing contact between plate cylinder (10) and blanket cylinder (8) is suspended and the inking unit rollers and the printing forme are cleaned on the directly driven plate cylinder (10) by means of an inking unit washing device.
  4. A method for controlling a processing machine for sheet-fed material with at least one varnishing unit (2), wherein a forme cylinder (9) that is mounted in side frames and carries a printing forme is coupled to a direct drive and mechanically decoupled from a main drive acting on a wheel train of cylinders and drums formed as sheet guiding cylinder (6) for the sheet transport in such a manner that the forme cylinder (9) during the printing operation is driven by means of its direct drive, wherein the forme cylinder (9) is driveable in a predeterminable manner at least with respect to the sheet guiding cylinders (6) and wherein adjacent to the forme cylinder (9) and the directly adjacent sheet guiding cylinder (6) of the varnishing unit (1) a cleaning device (7)is arranged, characterized in that in a contact zone of the directly driven forme cylinder (9) of the varnishing unit (2) carrying the printing forme to the directly adjacent sheet guiding cylinder (6) a printing contact is suspended, in that the forme cylinder (9) is turned by means of the direct drive out of its current angular allocation into an angle position for removing a first printing forme that is present on the forme cylinder (9), in that the first printing forme is removed from the forme cylinder (9) and a second printing forme is fed to the forme cylinder (9) and fixed thereon and subsequently the forme cylinder (9) with the second printing form is turned into an angular allocation for the printing process by means of direct drive, and in that simultaneously with the changing of the printing formes on the forme cylinder (9) and with suspended printing contact between forme cylinder (9) and sheet guiding cylinder (6) a cleaning device (7) is engaged with said sheet guiding cylinder (6) that is driveable by means of main drive and wheel train, the cylindrical surface of the latter is cleaned and thereafter the cleaning device (7) is disengaged and subsequently the sheet guiding cylinder (6)and the forme cylinder (9) meanwhile carrying the second printing forme are brought into renewed printing contact in the contact zone.
  5. The method according to Claim 4, characterized in that prior to the change of a printing forme on the forme cylinder (9) the printing contact between forme cylinder (9) and the directly adjacent sheet guiding cylinder (6) is suspended and the printing forme on the forme cylinder (9) cleaned by means of a cleaning device (7).
EP05764308.2A 2004-08-13 2005-07-28 Method for controlling a machine for processing sheet material Active EP1778490B2 (en)

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DE102004039536A DE102004039536A1 (en) 2004-08-13 2004-08-13 A method of controlling a sheet material processing machine
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JP2008509026A (en) 2008-03-27
EP1952987B1 (en) 2014-03-12
WO2006018105A3 (en) 2006-05-26
US20080000376A1 (en) 2008-01-03
DE102004039536A1 (en) 2006-02-23
CN101039806A (en) 2007-09-19
EP1952987A3 (en) 2011-03-16
EP1778490A2 (en) 2007-05-02
EP1952987A2 (en) 2008-08-06
WO2006018105A2 (en) 2006-02-23

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