EP2006102B1 - Web-fed printing presses for handling printing plates - Google Patents

Web-fed printing presses for handling printing plates Download PDF

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Publication number
EP2006102B1
EP2006102B1 EP20080009451 EP08009451A EP2006102B1 EP 2006102 B1 EP2006102 B1 EP 2006102B1 EP 20080009451 EP20080009451 EP 20080009451 EP 08009451 A EP08009451 A EP 08009451A EP 2006102 B1 EP2006102 B1 EP 2006102B1
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EP
European Patent Office
Prior art keywords
printing
conveying device
plates
printing plate
conveyor
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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.)
Not-in-force
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EP20080009451
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German (de)
French (fr)
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EP2006102A2 (en
EP2006102A3 (en
Inventor
August Thoma
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Manroland Web Systems GmbH
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Manroland Web Systems GmbH
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Publication of EP2006102A2 publication Critical patent/EP2006102A2/en
Publication of EP2006102A3 publication Critical patent/EP2006102A3/en
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Publication of EP2006102B1 publication Critical patent/EP2006102B1/en
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    • 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
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/60—Devices for transferring printing plates

Definitions

  • the invention relates to a web-fed printing machine.
  • the DE 44 42 265 A1 discloses a web-fed printing machine having the features of the preamble of the new patent claim 1.
  • US 4,803,634 A shows a designed as an endless conveyor horizontal conveyor.
  • EP 0 623 467 A1 relates to a sheet-fed printing machine.
  • the present invention has the object to provide a novel web printing press.
  • the invention allows a fully automated handling of printing plates on a web-fed printing machine for performing a printing plate change, wherein there is no danger that printing plates are changed at wrong plate cylinder positions within a printing unit or on a wrong printing unit.
  • Fig. 1 and 2 show a highly schematized section of a web press in different views, namely in Fig. 1 in a plan view and in Fig. 2 in a side view, wherein the web-fed printing press comprises three printing towers 10, 11 and 12 each of two vertically superposed printing units 13 and 14, respectively. In the area of printing towers 10, 11 and 12, non-illustrated printing substrate webs are printed.
  • the exposure of the printing plates takes place according to a production scheme or imposition scheme.
  • the production scheme also includes the respective position of the printing plate in the printing tower or in the printing unit of a printing tower to print the printed product for which the production scheme or imposition scheme was created.
  • the exposed printing plates are, with the aid of a first conveyor 15 designed as a horizontal conveyor, according to FIG Fig. 2 is positioned above the printing towers 10, 11 and 12, automatically conveyed into the area of the printing tower 10, 11 and 12, respectively, on which the respective printing plate is required to execute a printing plate change. It can also be formed as a horizontal conveyor first conveyors are present, the z. B. above each printing unit 13, 14 of the printing towers can be positioned.
  • the trained as a horizontal conveyor first conveyor 15 is designed as a circulating endless conveyor having a plurality of receiving positions for receiving a respective individual printing plate 16.
  • first conveyor 15 associated transfer station 17 Via one of the first conveyor 15 associated transfer station 17 are exposed, new printing plates of the first conveyor 15 can be fed, each of the transfer station 17 transferred to the first conveyor 15 pressure plate in a separate receiving position of the first conveyor 15 recording.
  • the conveying direction of the first conveyor 15 is visualized by arrows 18.
  • the transfer direction of the transfer station 17 for supplying printing plates to the first conveyor 15 is shown by an arrow 19.
  • the respective pressure plate 16 from the first conveyor 15 to a second conveyor 20 can be handed over, according to Fig. 1, 2 both between the two printing towers 10 and 11 and between the two printing towers 11 and 12 each have a second conveyor 20 is positioned.
  • the transfer of printing plates 16 from the first conveyor 15 to the second conveyor 20 takes place in the direction of the double arrows 21.
  • Each second conveyor 20 comprises both a horizontal conveyor 22 and a plurality of handling arms 23. Via the horizontal conveyors 22 of the second conveyors 20, printing plates 16 can be transported exclusively in the horizontal direction.
  • the handling arms 23 are used for the vertical transport of the printing plates 16, wherein the handling arms 23 remove printing plates 16 from the respective horizontal conveyor 22 and feed the printing units at corresponding plate cylinder positions.
  • the transfer of printing plates 16 from the second conveyor 20 in the direction of the printing towers 10, 11 and 12 is in Fig. 1 represented by double arrows 24.
  • the conveying direction of the horizontal conveyor 22 of the second conveyors 20 is visualized by arrows 25.
  • the handling arms 23 of the second conveyors 20 consist of several articulated or pivotally interconnected segments, wherein, as already mentioned, the handling arms 23 serve to displace the printing plates 20 in the vertical direction.
  • the handling arms 23 are designed to be stationary in the axial direction of the plate cylinders of the printing towers 10, 11 and 12, respectively.
  • old printing plates to be removed are first removed by means of the handling arms 23 from plate cylinder positions of the respective printing towers 10, 11 and 12 and fed to the horizontal conveyors 22 of the second conveyors 20, then transferred to the first conveyor 15 and in the region of a transfer station 26 from the web press discharged and fed to a non-illustrated disposal station for old printing plates.
  • the transfer direction of the transfer station 26 is in Fig. 1, 2 visualized by an arrow 27.
  • Blanking plates are unexposed printing plates which, when individual plate cylinder positions are not required for printing, are tensioned at these plate cylinder positions.
  • the dummy plates can be supplied as well as exposed, new printing plates by means of the transfer station 17 of the first conveyor 15 in the direction of the arrow 19, wherein the subsequent handling of the dummy plates corresponds to the handling of newly exposed printing plates.
  • blank plates can be fed to the first conveyor 15 via a separate transfer station.
  • the exposure device has information on which printing plate is exposed and information on which position in the printing tower each exposed printing plate of the or each first conveyor and the or to promote each second conveyor. This can be done by controlling or regulating the exposure device and the first and second conveyors via a common control device on the basis of the data of the production scheme or imposition scheme.
  • In 3 and 4 comprises the second conveyor 20 in contrast to the embodiment of Fig. 1 and 2 no separate horizontal conveyor, but only handling arms 23, wherein the handling arms 23 serve both the displacement of the printing plates 16 in the horizontal direction and the displacement thereof in the vertical direction.
  • the handling arms 23 in the direction of the double arrows 28 in the axial direction of the plate cylinder of the printing towers 10, 11 and 12 are movable.
  • the handling arms 23 are movable in the horizontal direction and thus can be operated with a handling a plurality of plate cylinder positions can, in the embodiment of the 3 and 4 compared to the embodiment of the Fig. 1 and 2 the number of required handling arms are reduced because in the embodiment of Fig. 1 and 2 for each axial plate cylinder position a handling arm is required.

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  • Rotary Presses (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)

Description

Die Erfindung betrifft eine Rollendruckmaschine.The invention relates to a web-fed printing machine.

Zur Ausführung eines Druckplattenwechsels müssen an einer Rollendruckmaschine, wie z. B. einer Zeitungsdruckmaschine, Druckplatten gehandhabt werden. Bei aus der Praxis bekannten Rollendruckmaschinen wird hierbei so vorgegangen, dass im Bereich einer Belichtungseinrichtung belichtete und demnach hergestellte Druckplatten von einem Drucker manuell in den Bereich des Druckwerks verbracht werden, an dem die jeweilige Druckplatte zum Drucken verwendet wird, wobei der Drucker die Druckplatten den entsprechenden Plattenzylindern der Druckwerke, an denen ein Druckplattenwechsel ausgeführt werden soll, manuell zuführt.To perform a printing plate change must be on a web press, such. As a newspaper printing press, printing plates are handled. In the case of web-fed printing presses known from practice, the procedure is such that printing plates exposed and thus produced in the region of an exposure device are manually moved by a printer into the area of the printing unit at which the respective printing plate is used for printing, wherein the printer supplies the corresponding printing plates Manually contacts the plate cylinders of the printing units to which a printing plate change is to be carried out.

Weiterhin sind aus der Praxis bereits Rollendruckmaschinen mit einem automatisierten Druckplattenwechsel bekannt, wobei bei Druckmaschinen mit einem automatisierten Druckplattenwechsel im Bereich einer Belichtungseinrichtung hergestellte Druckplatten in Kassetten positioniert werden, um die Druckplatten beim Druckplattenwechsel aus der Kassette automatisiert zu entnehmen und den Plattenzylindern der Druckwerke automatisiert zuzuführen.Furthermore, from the practice already known web presses with an automated printing plate change, which are prepared in printing machines with an automated printing plate change in the field of exposure printing plates produced in cartridges to automatically remove the printing plates during printing plate change from the cassette and automatically feed the plate cylinders of the printing units.

Sowohl bei den aus der Praxis bekannten Druckmaschinen mit einem manuellen Druckplattenwechsel als auch bei den aus der Praxis bekannten Rollendruckmaschinen mit einem automatisierten Druckplattenwechsel können Druckplatten leicht vertauscht und demnach falschen Druckwerken zugeführt bzw. an einer falschen Plattenzylinderposition im Bereich eines Druckwerks angeordnet werden.Both in the known from practice printing machines with a manual pressure plate change and in the known from practice web presses with an automated printing plate change printing plates can easily be reversed and therefore fed false printing or arranged at a wrong plate cylinder position in the range of a printing unit.

So ist es z. B. möglich, dass bei den aus der Praxis bekannten Rollendruckmaschinen mit einem automatisierten Druckplattenwechsel die Druckplatten an einer falschen Position innerhalb der Kassette angeordnet werden. Weiterhin ist es möglich, dass Kassetten an falschen Druckwerken positioniert werden.So it is z. B. possible that in the known from practice web presses with an automated printing plate change the printing plates are arranged at a wrong position within the cassette. Furthermore, it is possible that cassettes are positioned on wrong printing units.

Bislang sind aus dem Stand der Technik keine Rollendruckmaschinen bekannt, bei denen ausgeschlossen werden kann, dass Druckplatten beim Druckplattenwechsel einem falschen Druckwerk oder einer falschen Plattenzylinderposition innerhalb eines Druckwerks zugeführt werden.So far, no web presses are known from the prior art, which can be ruled out that printing plates are supplied during printing plate change a wrong printing unit or a wrong plate cylinder position within a printing unit.

Die DE 44 42 265 A1 offenbart eine Rollendruckmaschine mit den Merkmalen des Oberbegriffs des neuen Patentanspruchs 1. US 4,803,634 A zeigt einen als Endlosförderer ausgebildeten Horizontalförderer. EP 0 623 467 A1 betrifft eine Bogendruckmaschine.The DE 44 42 265 A1 discloses a web-fed printing machine having the features of the preamble of the new patent claim 1. US 4,803,634 A shows a designed as an endless conveyor horizontal conveyor. EP 0 623 467 A1 relates to a sheet-fed printing machine.

Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine neuartige Rollendruckmaschine zu schaffen.On this basis, the present invention has the object to provide a novel web printing press.

Diese Aufgabe wird durch eine Rollendruckmaschine gemäß Anspruch 1 gelöst.This object is achieved by a web-fed printing press according to claim 1.

Die Erfindung erlaubt eine vollautomatisierte Handhabung von Druckplatten an einer Rollendruckmaschine zur Ausführung eines Druckplattenwechsels, wobei keine Gefahr besteht, dass Druckplatten an falschen Plattenzylinderpositionen innerhalb eines Druckwerks bzw. an einem falschen Druckwerk gewechselt werden.The invention allows a fully automated handling of printing plates on a web-fed printing machine for performing a printing plate change, wherein there is no danger that printing plates are changed at wrong plate cylinder positions within a printing unit or on a wrong printing unit.

Bevorzugte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung. Ausführungsbeispiele der Erfindung werden, ohne hierauf beschränkt zu sein, an Hand der Zeichnung näher erläutert. Dabei zeigt:

Fig. 1:
einen stark schematisierten Ausschnitt aus einer vergleichsweisen Rollendruckmaschine in Draufsichtsicht;
Fig. 2:
den Ausschnitt der Fig. 1 in Seitenansicht;
Fig. 3:
einen stark schematisierten Ausschnitt aus einer erfindungsgemäßen Rollendruckmaschine; und
Fig. 4:
den Ausschnitt der Fig. 3 in Seitenansicht.
Preferred embodiments of the invention will become apparent from the dependent claims and the description below. Embodiments of the invention will be described, without being limited thereto, with reference to the drawings. Showing:
Fig. 1:
a highly schematic section of a comparative web press in plan view;
Fig. 2:
the clipping of the Fig. 1 in side view;
3:
a highly schematic section of a web press according to the invention; and
4:
the clipping of the Fig. 3 in side view.

Fig. 1 und 2 zeigen einen stark schematisierten Ausschnitt aus einer Rollendruckmaschine in unterschiedlichen Ansichten, nämlich in Fig. 1 in einer Draufsicht und in Fig. 2 in einer Seitenansicht, wobei die Rollendruckmaschine drei Drucktürme 10, 11 und 12 aus jeweils zwei vertikal übereinander angeordneten Druckeinheiten 13 bzw. 14 umfasst. Im Bereich der Drucktürme 10, 11 und 12 werden nicht-dargestellte Bedruckstoffbahnen bedruckt. Fig. 1 and 2 show a highly schematized section of a web press in different views, namely in Fig. 1 in a plan view and in Fig. 2 in a side view, wherein the web-fed printing press comprises three printing towers 10, 11 and 12 each of two vertically superposed printing units 13 and 14, respectively. In the area of printing towers 10, 11 and 12, non-illustrated printing substrate webs are printed.

Im Bereich einer nicht-dargestellten Belichtungseinrichtung werden neue Druckplatten belichtet. Die Belichtung der Druckplatten erfolgt nach einem Produktionsschema bzw. Ausschießschema. Das Produktionsschema bzw. Ausschießschema beinhaltet auch die jeweilige Position der Druckplatte im Druckturm bzw. in der Druckeinheit eines Druckturms, um das Druckprodukt, für welches das Produktionsschema bzw. Ausschießschema erzeugt wurde, zu drucken.In the area of a non-illustrated exposure device new printing plates are exposed. The exposure of the printing plates takes place according to a production scheme or imposition scheme. The production scheme also includes the respective position of the printing plate in the printing tower or in the printing unit of a printing tower to print the printed product for which the production scheme or imposition scheme was created.

Die belichteten Druckplatten sind mit Hilfe einer als Horizontalförderer ausgebildeten ersten Fördereinrichtung 15, die gemäß Fig. 2 oberhalb der Drucktürme 10, 11 und 12 positioniert ist, automatisiert in den Bereich des Druckturms 10, 11 bzw. 12 förderbar, an welchem die jeweilige Druckplatte zur Ausführung eines Druckplattenwechsels benötigt wird. Es können auch mehrere als Horizontalförderer ausgebildete erste Fördereinrichtungen vorhanden sein, die z. B. oberhalb jeder Druckeinheit 13, 14 der Drucktürme positioniert sein können.The exposed printing plates are, with the aid of a first conveyor 15 designed as a horizontal conveyor, according to FIG Fig. 2 is positioned above the printing towers 10, 11 and 12, automatically conveyed into the area of the printing tower 10, 11 and 12, respectively, on which the respective printing plate is required to execute a printing plate change. It can also be formed as a horizontal conveyor first conveyors are present, the z. B. above each printing unit 13, 14 of the printing towers can be positioned.

Die als Horizontalförderer ausgebildete erste Fördereinrichtung 15 ist als umlaufender Endlosförderer ausgebildet, der mehrere Aufnahmepositionen zur Aufnahme jeweils einer einzelnen Druckplatte 16 aufweist.The trained as a horizontal conveyor first conveyor 15 is designed as a circulating endless conveyor having a plurality of receiving positions for receiving a respective individual printing plate 16.

Über eine der ersten Fördereinrichtung 15 zugeordnete Übergabestation 17 sind belichtete, neue Druckplatten der ersten Fördereinrichtung 15 zuführbar, wobei jede von der Übergabestation 17 an die erste Fördereinrichtung 15 übergebene Druckplatte in einer separaten Aufnahmeposition der ersten Fördereinrichtung 15 Aufnahme findet. Die Förderrichtung der ersten Fördereinrichtung 15 ist durch Pfeile 18 visualisiert. Die Übergaberichtung der Übergabestation 17, um Druckplatten der ersten Fördereinrichtung 15 zuzuführen, ist durch einen Pfeil 19 dargestellt.Via one of the first conveyor 15 associated transfer station 17 are exposed, new printing plates of the first conveyor 15 can be fed, each of the transfer station 17 transferred to the first conveyor 15 pressure plate in a separate receiving position of the first conveyor 15 recording. The conveying direction of the first conveyor 15 is visualized by arrows 18. The transfer direction of the transfer station 17 for supplying printing plates to the first conveyor 15 is shown by an arrow 19.

Dann, wenn Druckplatten 16 mit Hilfe der ersten Fördereinrichtung 15 in den Bereich des Druckturms 10, 11 bzw. 12 gefördert worden sind, an welchem die jeweilige Druckplatte zur Ausführung eines Druckplattenwechsels benötigt wird, ist die jeweilige Druckplatte 16 von der ersten Fördereinrichtung 15 an eine zweite Fördereinrichtung 20 übergebbar, wobei gemäß Fig. 1, 2 sowohl zwischen den beiden Drucktürmen 10 und 11 als auch zwischen den beiden Drucktürmen 11 und 12 jeweils eine zweite Fördereinrichtung 20 positioniert ist. Die Übergabe von Druckplatten 16 von der ersten Fördereinrichtung 15 an die zweite Fördereinrichtung 20 erfolgt in Richtung der Doppelpfeile 21. Mit Hilfe der zweiten Fördereinrichtungen 20 ist jede Druckplatte in den Bereich der Plattenzylinderposition einer Druckeinheit 13 bzw. 14 eines Druckturms 10, 11 bzw. 12 förderbar, an welcher die jeweilige Druckplatte zur Ausführung des Druckplattenwechsels benötigt wird.Then, when printing plates 16 have been conveyed with the aid of the first conveyor 15 in the area of the printing tower 10, 11 and 12, on which the respective pressure plate for performing a pressure plate change is required, the respective pressure plate 16 from the first conveyor 15 to a second conveyor 20 can be handed over, according to Fig. 1, 2 both between the two printing towers 10 and 11 and between the two printing towers 11 and 12 each have a second conveyor 20 is positioned. The transfer of printing plates 16 from the first conveyor 15 to the second conveyor 20 takes place in the direction of the double arrows 21. By means of the second conveyors 20, each printing plate in the range of plate cylinder position of a printing unit 13 and 14 of a printing tower 10, 11 and 12, respectively conveyable, at which the respective pressure plate is required to perform the printing plate change.

In Fig. 1 und 2 umfasst jede zweite Fördereinrichtung 20 sowohl einen Horizontalförderer 22 als auch mehrere Handhabungsarme 23. Über die Horizontalförderer 22 der zweiten Fördereinrichtungen 20 sind Druckplatten 16 aüsschließlich in horizontaler Richtung transportierbar. Die Handhabungsarme 23 dienen dem vertikalen Transport der Druckplatten 16, wobei die Handhabungsarme 23 Druckplatten 16 vom jeweiligen Horizontalförderer 22 entnehmen und den Druckeinheiten an entsprechenden Plattenzylinderpositionen zuführen. Die Übergabe von Druckplatten 16 von der zweiten Fördereinrichtung 20 in Richtung auf die Drucktürme 10, 11 bzw. 12 ist in Fig. 1 durch Doppelpfeile 24 dargestellt. Die Förderrichtung der Horizontalförderer 22 der zweiten Fördereinrichtungen 20 ist durch Pfeile 25 visualisiert.In Fig. 1 and 2 Each second conveyor 20 comprises both a horizontal conveyor 22 and a plurality of handling arms 23. Via the horizontal conveyors 22 of the second conveyors 20, printing plates 16 can be transported exclusively in the horizontal direction. The handling arms 23 are used for the vertical transport of the printing plates 16, wherein the handling arms 23 remove printing plates 16 from the respective horizontal conveyor 22 and feed the printing units at corresponding plate cylinder positions. The transfer of printing plates 16 from the second conveyor 20 in the direction of the printing towers 10, 11 and 12 is in Fig. 1 represented by double arrows 24. The conveying direction of the horizontal conveyor 22 of the second conveyors 20 is visualized by arrows 25.

Die Handhabungsarme 23 der zweiten Fördereinrichtungen 20 bestehen aus mehreren gelenkig bzw. schwenkbar miteinander verbundenen Segmenten, wobei, wie bereits erwähnt, die Handhabungsarme 23 der Verlagerung der Druckplatten 20 in vertikaler Richtung dienen. Die Handhabungsarme 23 sind in axialer Richtung der Plattenzylinder der Drucktürme 10, 11 bzw. 12 gesehen ortsfest ausgeführt.The handling arms 23 of the second conveyors 20 consist of several articulated or pivotally interconnected segments, wherein, as already mentioned, the handling arms 23 serve to displace the printing plates 20 in the vertical direction. The handling arms 23 are designed to be stationary in the axial direction of the plate cylinders of the printing towers 10, 11 and 12, respectively.

An der Rollendruckmaschine der Fig. 1 und 2 können nicht nur neu belichtete Druckplatten von einer Belichtungseinrichtung in Richtung auf die Drucktürme transportiert werden, vielmehr können auch von den Drucktürmen zu entfernende, alte Druckplatten automatisiert gehandhabt werden, wobei für alte Druckplatten die Transportrichtung bzw. Förderrichtung umgekehrt verläuft wie für neu belichtete Druckplatten.At the web press of the Fig. 1 and 2 not only newly exposed printing plates can be transported by an exposure device in the direction of the printing towers, but also from the towers to be removed, old printing plates can be handled automatically, for old printing plates, the transport direction or conveying direction is reversed as for newly exposed printing plates.

So werden zu entfernende alte Druckplatten zunächst mit Hilfe der Handhabungsarme 23 von Plattenzylinderpositionen der jeweiligen Drucktürme 10, 11 bzw. 12 entnommen und den Horizontalförderern 22 der zweiten Fördereinrichtungen 20 zugeführt, anschließend an die erste Fördereinrichtung 15 übergeben und im Bereich einer Übergabestation 26 aus der Rollendruckmaschine ausgeschleust und einer nicht-dargestellten Entsorgungsstation für alte Druckplatten zugeführt. Die Übergaberichtung der Übergabestation 26 ist in Fig. 1, 2 durch einen Pfeil 27 visualisiert.Thus, old printing plates to be removed are first removed by means of the handling arms 23 from plate cylinder positions of the respective printing towers 10, 11 and 12 and fed to the horizontal conveyors 22 of the second conveyors 20, then transferred to the first conveyor 15 and in the region of a transfer station 26 from the web press discharged and fed to a non-illustrated disposal station for old printing plates. The transfer direction of the transfer station 26 is in Fig. 1, 2 visualized by an arrow 27.

Im Bereich der als Horizontalförderer ausgebildeten ersten Fördereinrichtung 15, im Bereich der Horizontalförderer 22 der zweiten Fördereinrichtungen 20 sowie im Bereich der Handhabungsarme 23 der zweiten Fördereinrichtungen 20 werden jeweils einzelne Druckplatten gehandhabt, wobei hierzu die Horizontalförderer Aufnahmepositionen für einzelne Druckplatten und die Handhabungsarme Greifer für einzelne Druckplatten aufweisen. Da die gesamte Handhabung der Druckplatten von der Belichtungseinrichtung bis zu den Druckplattenpositionen an den Drucktürmen automatisiert erfolgt, kann stets genau nachvertolgt werden, an welcher Position welcher Fördereinrichtung sich welche Druckplatte befindet. Es können demnach uncodierte Druckplatten gehandhabt werden, ohne dass die Gefahr besteht, dass Druckplatten an einem falschen Druckwerk oder an einer falschen Plattenzylinderposition gewechselt werden. Falls jedoch aus Sicherheitsgründen eine Backup-Sicherung gewünscht ist, können auch codierte Druckplatten gehandhabt werden.In the area of the first conveyor 15 designed as a horizontal conveyor, in the area of the horizontal conveyors 22 of the second conveyors 20 and in the area of the handling arms 23 of the second conveyors 20, individual printing plates are handled, in which case the horizontal conveyor accommodating positions for individual printing plates and the handling arms grippers for individual printing plates exhibit. Since the entire handling of the printing plates is automated from the exposure device to the printing plate positions on the printing towers, can always be nachvertolgt exactly at which position which conveyor which pressure plate is. Accordingly, uncoded printing plates can be handled without the risk that printing plates are changed at a wrong printing unit or at a wrong plate cylinder position. However, if a backup backup is desired for security reasons, coded printing plates can also be handled.

Nach einer vorteilhaften Weiterbildung werden an der Rollendruckmaschine nicht nur neu belichtete Druckplatten sowie auszutauschende alte Druckplatten gehandhabt bzw. transportiert, sondern vielmehr auch sogenannte Blindplatten. Bei Blindplatten handelt es sich um unbelichtete Druckplatten, die dann, wenn einzelne Plattenzylinderpositionen zum Drucken nicht benötigt werden, an diesen Plattenzylinderpositionen gespannt werden.According to an advantageous development not only newly exposed printing plates and exchanged old printing plates are handled or transported to the web press, but also so-called blanking plates. Blanking plates are unexposed printing plates which, when individual plate cylinder positions are not required for printing, are tensioned at these plate cylinder positions.

Die Blindplatten können ebenso wie belichtete, neue Druckplatten mit Hilfe der Übergabestation 17 der ersten Fördereinrichtung 15 im Sinne des Pfeils 19 zugeführt werden, wobei die nachfolgende Handhabung der Blindplatten der Handhabung neu belichteter Druckplatten entspricht. Alternativ können Blindplatten über eine separate Übergabestation der ersten Fördereinrichtung 15 zugeführt werden.The dummy plates can be supplied as well as exposed, new printing plates by means of the transfer station 17 of the first conveyor 15 in the direction of the arrow 19, wherein the subsequent handling of the dummy plates corresponds to the handling of newly exposed printing plates. Alternatively, blank plates can be fed to the first conveyor 15 via a separate transfer station.

Für eine Steuerung der erfindungsgemäßen Rollendruckmaschine ist es wichtig, dass die Belichtungseinrichtung Information bzw. Daten darüber hat, welche Druckplatte belichtet wird, und dass Information bzw. Daten darüber vorliegen, an welche Position im Druckturm jede belichtete Druckplatte von der oder jeder ersten Fördereinrichtung sowie der oder jeder zweiten Fördereinrichtung zu fördern ist. Dies kann dadurch erfolgen, das die Belichtungseinrichtung sowie die ersten und zweiten Fördereinrichtungen über eine gemeinsame Steuerungseinrichtung auf Grundlage der Daten des Produktionsschemas bzw. Ausschießschemas gesteuert bzw. geregelt werden.For control of the web-fed printing press according to the invention, it is important that the exposure device has information on which printing plate is exposed and information on which position in the printing tower each exposed printing plate of the or each first conveyor and the or to promote each second conveyor. This can be done by controlling or regulating the exposure device and the first and second conveyors via a common control device on the basis of the data of the production scheme or imposition scheme.

Einen Ausschnitt aus einer Rollendruckmaschine nach der hier vorliegenden Erfindung zeigen Fig. 3 und 4, wobei zur Vermeidung unnötiger Wiederholungen in Fig. 3 und 4 für gleiche Baugruppen gleiche Bezugsziffern verwendet werden wie in Fig. 1 und 2 und nachfolgend nur auf die Details eingegangen wird, durch die sich Fig. 3 und 4 von Fig. 1 und 2 unterscheiden.To show a section of a web-fed printing machine according to the present invention 3 and 4 , wherein to avoid unnecessary repetition in 3 and 4 for same components, the same reference numbers are used as in Fig. 1 and 2 and will only discuss the details below 3 and 4 from Fig. 1 and 2 differ.

In Fig. 3 und 4 umfasst die zweite Fördereinrichtung 20 im Unterschied zum Ausführungsbeispiel der Fig. 1 und 2 keinen separaten Horizontalförderer, sondern lediglich Handhabungsarme 23, wobei die Handhabungsarme 23 sowohl der Verlagerung der Druckplatten 16 in horizontaler Richtung als auch der Verlagerung derselben in vertikaler Richtung dienen. Hierzu sind die Handhabungsarme 23 in Richtung der Doppelpfeile 28 in Axialrichtung der Plattenzylinder der Drucktürme 10, 11 bzw. 12 verfahrbar. Im Ausführungsbeispiel der Fig. 3 und 4 dienen demnach die Handhabungsarme 23 einerseits der Entnahme der Druckplatten 16 von der ersten Fördereinrichtung 15 sowie andererseits der Übergabe der Druckplatten 16 an die Plattenzylinderpositionen, an welchen die Druckplatten 16 zum Druckplattenwechsel benötigt werden. Da im Ausführungsbeispiel der Fig. 3 und 4 die Handhabungsarme 23 in horizontaler Richtung verfahrbar sind und demnach mit einem Handhabungsarm mehrere Plattenzylinderpositionen bedient werden können, kann im Ausführungsbeispiel der Fig. 3 und 4 gegenüber dem Ausführungsbeispiel der Fig. 1 und 2 die Anzahl der benötigten Handhabungsarme reduziert werden, da im Ausführungsbeispiel der Fig. 1 und 2 für jede axiale Plattenzylinderposition ein Handhabungsarm erforderlich ist.In 3 and 4 comprises the second conveyor 20 in contrast to the embodiment of Fig. 1 and 2 no separate horizontal conveyor, but only handling arms 23, wherein the handling arms 23 serve both the displacement of the printing plates 16 in the horizontal direction and the displacement thereof in the vertical direction. For this purpose, the handling arms 23 in the direction of the double arrows 28 in the axial direction of the plate cylinder of the printing towers 10, 11 and 12 are movable. In the embodiment of 3 and 4 Accordingly, serve the handling arms 23 on the one hand, the removal of the printing plates 16 of the first conveyor 15 and on the other hand, the transfer of the printing plates 16 to the plate cylinder positions at which the printing plates 16 are required for printing plate change. As in the embodiment of 3 and 4 the handling arms 23 are movable in the horizontal direction and thus can be operated with a handling a plurality of plate cylinder positions can, in the embodiment of the 3 and 4 compared to the embodiment of the Fig. 1 and 2 the number of required handling arms are reduced because in the embodiment of Fig. 1 and 2 for each axial plate cylinder position a handling arm is required.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Druckturmprinting tower
1111
Druckturmprinting tower
1212
Druckturmprinting tower
1313
Druckeinheitprinting unit
1414
Druckeinheitprinting unit
1515
erste Fördereinrichtungfirst conveyor
1616
Druckplatteprinting plate
1717
ÜbergabestationTransfer station
1818
Förderrichtungconveying direction
1919
ÜbergaberichtungTransfer direction
2020
zweite Fördereinrichtungsecond conveyor
2121
ÜbergaberichtungTransfer direction
2222
Horizontalfördererhorizontal conveyor
2323
Handhabungsarmhandling arm
2424
ÜbergaberichtungTransfer direction
2525
Förderrichtungconveying direction
2626
ÜbergabestationTransfer station
2727
ÜbergaberichtungTransfer direction
2828
Verfahrrichtungtraversing

Claims (3)

  1. A reel-fed printing press, in particular newspaper printing press, with at least:
    a) at least one printing tower (10, 11, 12);
    b) an exposure device for the exposure of printing plates;
    c) at least one conveying device (15) designed as a horizontal conveyor, to which the exposed printing plates in the region of a transfer station (17) can be transferred in an automated manner and with the help of which exposed printing plates (16) can be conveyed in horizontal direction into the region of the printing tower (10, 11, 12), on which the respective printing plate is required for carrying out a printing plate change;
    d) at least one second conveying device (20), to which the respective printing plate can be transferred from the first conveying device in an automated manner when an exposed printing plate has been conveyed into the region of the printing tower via the first conveying device (15) designed as a horizontal conveyor, on which the respective printing plate is required for carrying out a printing plate change, wherein with the help of the or each second conveying device (20) printing plates (16) can be conveyed into the region of the plate cylinder position of a printing unit of the printing tower, on which the respective printing plate is required for carrying out a printing plate change; wherein
    e) the or each first conveying device (15) designed as horizontal conveyor is designed as a circulating endless conveyor, which has a plurality of receiving positions for receiving an individual printing plate each;
    characterized in that
    f) the or each second conveying device (20) comprises at least one handling arm (23), which transports the printing plates in horizontal direction and in vertical direction, wherein the or each handling arm (23) of the second conveying device (20) is designed displaceable in horizontal direction, namely in axial direction of plate cylinders and serves for the handling of an individual printing plate.
  2. The reel-fed printing press according to Claim 1, characterized in that during the printing plate change, old printing plates additionally to be removed via the or each second conveying device (20) and the or each first conveying device (15) can be transported in the direction of a disposal device and in the region of a transfer station (26) can be transferred from the first conveying device (15) to the disposal device in an automated manner.
  3. The reel-fed printing press according to Claim 1 or 2, characterized in that during the printing plate change via the or each first conveying device (20) and the or each second conveying device (15), dummy plates can be handled furthermore in an automated manner.
EP20080009451 2007-05-25 2008-05-23 Web-fed printing presses for handling printing plates Not-in-force EP2006102B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710024607 DE102007024607A1 (en) 2007-05-25 2007-05-25 Method for handling printing plates and web-fed printing press

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EP2006102A2 EP2006102A2 (en) 2008-12-24
EP2006102A3 EP2006102A3 (en) 2011-11-23
EP2006102B1 true EP2006102B1 (en) 2014-03-05

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EP20080009451 Not-in-force EP2006102B1 (en) 2007-05-25 2008-05-23 Web-fed printing presses for handling printing plates

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DE102007024607A1 (en) 2008-11-27
EP2006102A3 (en) 2011-11-23

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