EP1323526A1 - Sheet processing machine with three reversing cylinders - Google Patents

Sheet processing machine with three reversing cylinders Download PDF

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Publication number
EP1323526A1
EP1323526A1 EP02026970A EP02026970A EP1323526A1 EP 1323526 A1 EP1323526 A1 EP 1323526A1 EP 02026970 A EP02026970 A EP 02026970A EP 02026970 A EP02026970 A EP 02026970A EP 1323526 A1 EP1323526 A1 EP 1323526A1
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EP
European Patent Office
Prior art keywords
sheet
drum
turning
fed rotary
rotary 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.)
Granted
Application number
EP02026970A
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German (de)
French (fr)
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EP1323526B1 (en
EP1323526B2 (en
Inventor
Karl-Heinz Helmstädter
Hans Peter Boguhn
Hans-Peter Hiltwein
Günter Stephan
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1323526A1 publication Critical patent/EP1323526A1/en
Publication of EP1323526B1 publication Critical patent/EP1323526B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine

Definitions

  • the invention relates to a three-drum turning device for a sheet processing Machine, in particular a rotary printing machine.
  • Such a device is e.g. B. known from DE 199 57 230 A1. This shows one Turning device with a three-drum turn consisting of a double or multi-size transfer cylinder of a double or multi-size storage drum and an at least single-sized turning drum.
  • the invention has for its object to provide a method and the Turn the cylinders and drums involved in such a way that an almost non-contact sheet transport can be achieved in the area of the turning device, the sheet being gripped in a conventional manner on its sheet edges.
  • the transfer cylinder To provide turning device with an outer contour that compared to the Gripper rows involved in sheet transport a retracted surface or a Has sheet transport surface within that described by the gripper rows circular periphery.
  • This measure means that the freshly printed sheet side does not come into contact with the Surface of the transfer cylinder. Since it is also provided that Outer contour of the at least single-sized turning drum also with a form recessed surface or this with an outer contour provided within the circular periphery described by the row of grippers lies, the freshly printed sheet can be used both in fine printing and in plain and Back pressure operation contactless through the transfer gap between the storage drum and Turning drum are performed.
  • a pneumatically actuated nozzle guide plate on the Transport route between the previous printing cylinder and the storage drum provided which is connected to the circular periphery that the gripper rows of Describe transfer cylinder is adapted.
  • blowing and suction devices support by their advantageous geometrical Arrangement of the non-contact sheet travel in the area of the twist and not only in turning mode, but also in straight printing mode.
  • a rotary printing machine e.g. B.
  • a sheet 7 processing printing machine 1 has a feeder 2, at least one printing unit 3 or 4 and a delivery 6.
  • the bow 7 are removed from a sheet stack 8 and separated or scaly over a feed table 9 fed to the printing units 3 and 4.
  • These contain known ones Way a plate cylinder 11; 12.
  • the plate cylinders 11 and 12 each have a device 13, 14 for attaching flexible printing plates. Beyond that each plate cylinder 11; 12 a device 16; 17 for the semi or fully automatic Assigned printing plate change.
  • the sheet stack 8 rests on a stack plate 10 which can be raised in a controlled manner.
  • the withdrawal the sheet 7 takes place from the top of the sheet stack 8 by means of a so-called Suction head 18, which includes a number of lifting and dragging vacuum cleaners 19, 21 for the separation of the sheets 7.
  • a number of side and rear stops are provided to align the sheet stack 8, in particular the upper sheet 7 of the Sheet stack 8, a number of side and rear stops.
  • the turning device 26 is such can be activated that the sheet 7 either in straight printing or in fine and Reprint mode can be processed.
  • the turning device 26 consists in Essentially from a three-drum turn with - seen in the sheet transport direction - successively connected double or multiple large transfer cylinder 27, one double or multiple large storage drum 28 and an at least single large Reversing drum 29.
  • the printing cylinder 31 of the printing unit 3 has in the area of Sheet transport route on a guide device 32, which is essentially stationary arranged blowpipes 33 there. The blowpipes 33 are so on the freshly printed Sheet 7 aligned that this is pressed against the impression cylinder 31 to a To prevent slipping when the sheets run off.
  • the bow 7 is on his Pass the leading edge to a gripper row 40 of the transfer cylinder 27.
  • the outer contour 35 of the transfer cylinder 27 is at least in the region of the Print image withdrawn so far or is so far within that of the Gripper row 40 defined circular periphery 42 that a sufficiently large Distance between the surface of the transfer cylinder 27 and the printed image is guaranteed.
  • a stationary guide device e.g. B. a nozzle guide plate 34, provided, which is adapted to the circular periphery 42.
  • This stationary Pneumatically actuated guide device 34 holds the sheet against radially outwards forces acting on a predefinable path.
  • the sheet 7 is at its front edge by a row of grippers of the storage drum 28 captured and with the fresh printed image facing outwards in perfecting so far around the storage drum 28 until a gripper row 43 of Turning drum 29 detects the rear edge of the sheet 7.
  • blowing devices 36 in the form of Blow pipes 37 are provided, which are arranged stationary on the outer surface of the Storage drum 28 are directed and blow on the sheet 7 so that it is good is transported fixed.
  • the storage drum 28 with trailing edge suction devices 39 equipped. also support the holding and fixing of the sheet 7 on the Storage drum 28, in particular in the area behind the transfer point Turning drum 29 lies.
  • These trailing edge suction cups 39 hold the trailing edge of the sheet Reversing operation until it is from the gripper row 43 of the following Turning drum 29 is detected.
  • the trailing edge of the sheet 7 is also fixed, particularly in straight printing.
  • Sheet 7 simultaneously through the gripper row 43 and through the trailing edge suction device 39 Storage drum 28 transported.
  • Suction devices 38 on the z. B. consist of suction openings that over the lateral surface of the storage drum 28 are distributed and can be activated in the area of the sheet format.
  • the printed image in face-up printing facing the inside of the drum. So that Print image can be guided without contact by the turning drum 29, is the Outer contour 46 withdrawn so far or has a surface that is inside the circular periphery 47 defined by the movement of the gripper row 43 lies. This measure provides enough space between the fresh print image and the Outer surface of the turning drum 29.
  • the measure ensures that the sheet is simultaneously on the To be transported in front and at the rear edge in connection with the withdrawn outer contour 46 of the turning drum 29 that the fresh print image cannot touch the turning drum 29.
  • Blowing and ventilating devices 49 arranged below the turning drum 29 support the sheet guidance during the turning process and prevent the End of arc and thus early contact with the printing cylinder 41.
  • the turning drum 29 is a double-sized one Cylinder formed. Especially when processing thick paper, such as e.g. Carton, the large radius favors the transport behavior.

Abstract

Sheet-fed rotary printing machine comprises a three-drum turning device (26) consisting of three transfer cylinders arranged in a row between the printing cylinders of two adjacent printing groups. The turning device consists of a transfer cylinder (27) and a storage drum (28) that are twice the size of or larger than the printing cylinders, and at least one turning drum (29) that is the same size as the printing cylinders. The transfer cylinder has an outer contour (35) that is smaller than the circular periphery (42) determined by grippers (40). The turning drum has an outer contour (46) that is smaller than the circular periphery (47) determined by grippers (43). <??>An Independent claim is also included for a process for transporting a sheet using a three-drum turning device in odd and in odd and even page printing.

Description

Die Erfindung betrifft eine Drei-Trommel-Wendeeinrichtung für eine Bogen verarbeitende Maschine, insbesondere eine Rotationsdruckmaschine.The invention relates to a three-drum turning device for a sheet processing Machine, in particular a rotary printing machine.

Um einen Bogen beidseitig bedrucken zu können, ist es bekannt, zwischen zwei benachbarten Druckwerken eine Wendeeinrichtung anzuordnen, die den Bogen nach dem Hinterkantenwendeprinzip erfasst und mittels einer Wendetrommel an die Zylinder des nachfolgenden Druckwerkes übergibt.In order to be able to print a sheet on both sides, it is known to use between two neighboring printing units to arrange a turning device that the sheet after Trailing edge turning principle recorded and by means of a turning drum to the cylinders of the subsequent printing unit passes.

Eine derartige Vorrichtung ist z. B. durch die DE 199 57 230 A1 bekannt. Diese zeigt eine Wendeeinrichtung mit einer Drei-Trommel-Wendung, bestehend aus einem doppelt- oder mehrfach-großen Übergabezylinder einer doppelt- oder mehrfach-großen Speichertrommel und einer mindestens einfach-großen Wendetrommel.Such a device is e.g. B. known from DE 199 57 230 A1. This shows one Turning device with a three-drum turn consisting of a double or multi-size transfer cylinder of a double or multi-size storage drum and an at least single-sized turning drum.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu schaffen und die an der Wendung beteiligten Zylinder und Trommeln derart auszubilden, dass ein nahezu berührungsloser Bogentransport im Bereich der Wendeeinrichtung erzielt werden kann, wobei der Bogen in konventioneller Weise an seinen Bogenkanten gegriffen wird.The invention has for its object to provide a method and the Turn the cylinders and drums involved in such a way that an almost non-contact sheet transport can be achieved in the area of the turning device, the sheet being gripped in a conventional manner on its sheet edges.

Die Aufgabe wird erfindungsgemäß durch die Merkmale der Ansprüche 1 und 10 gelöst.The object is achieved by the features of claims 1 and 10.

In vorteilhafter Weise ist es daher vorgesehen, den Übergabezylinder der Wendeeinrichtung mit einer Außenkontur zu versehen, die gegenüber den am Bogentransport beteiligten Greiferreihen eine zurückgenommene Oberfläche bzw. eine Bogentransportfläche aufweist, die innerhalb der durch die Greiferreihen beschriebenen kreisförmigen Peripherie liegt.It is therefore advantageously provided that the transfer cylinder To provide turning device with an outer contour that compared to the Gripper rows involved in sheet transport a retracted surface or a Has sheet transport surface within that described by the gripper rows circular periphery.

Durch diese Maßnahme gelangt die frisch bedruckte Bogenseite nicht in Kontakt mit der Oberfläche des Übergabezylinders. Da es gleichzeitig auch vorgesehen ist, die Außenkontur der mindestens einfach-großen Wendetrommel ebenfalls mit einer zurückgenommenen Oberfläche auszubilden bzw. diese mit einer Außenkontur zu versehen, die innerhalb der durch die Greiferreihe beschriebenen kreisförmigen Peripherie liegt, kann der frisch bedruckte Bogen sowohl im Schöndruck als auch im Schön- und Widerdruckbetrieb berührungslos durch den Übergabespalt zwischen Speichertrommel und Wendetrommel geführt werden.This measure means that the freshly printed sheet side does not come into contact with the Surface of the transfer cylinder. Since it is also provided that Outer contour of the at least single-sized turning drum also with a form recessed surface or this with an outer contour provided within the circular periphery described by the row of grippers lies, the freshly printed sheet can be used both in fine printing and in plain and Back pressure operation contactless through the transfer gap between the storage drum and Turning drum are performed.

In vorteilhafter Unterstützung des berührungsfreien Bogenlaufs im Bereich der Drei-Trommel-Wendeeinrichtung ist ein pneumatisch beaufschlagbares Düsenleitblech auf der Transportstrecke zwischen vorhergehendem Druckzylinder und der Speichertrommel vorgesehen, welches an die kreisförmige Peripherie, die die Greiferreihen des Übergabezylinders beschreiben, angepasst ist.In an advantageous support of the contact-free sheet travel in the area of the three-drum turning device is a pneumatically actuated nozzle guide plate on the Transport route between the previous printing cylinder and the storage drum provided which is connected to the circular periphery that the gripper rows of Describe transfer cylinder is adapted.

Weitere Blas- und Saugeinrichtungen unterstützen durch ihre vorteilhafte geometrische Anordnung den berührungsfreien Bogenlauf im Bereich der Wendung und zwar nicht nur im Wendebetrieb sondern auch im reinen Schöndruckbetrieb.Further blowing and suction devices support by their advantageous geometrical Arrangement of the non-contact sheet travel in the area of the twist and not only in turning mode, but also in straight printing mode.

Zusätzliche vorteilhafte Ausbildungen sind in den Unteransprüchen beschrieben.Additional advantageous developments are described in the subclaims.

Zwei Ausführungsbeispiele sind in den Zeichnungen dargestellt und werden im Folgenden beschrieben.Two exemplary embodiments are shown in the drawings and are described below described.

Es zeigen:

Figur 1
eine Bogenrotationsdruckmaschine in schematischer Darstellung,
Figur 2
die erfindungsgemäße Bogentransportstrecke im Bereich der Wendung mit einfach-großer Wendetrommel in schematischer Darstellung und
Figur 3
die erfindungsgemäße Bogentransportstrecke im Bereich der Wendung mit doppelt-großer Wendetrommel in schematischer Darstellung.
Show it:
Figure 1
a sheet-fed rotary printing machine in a schematic representation,
Figure 2
the sheet transport path according to the invention in the area of the turn with a single-large turning drum in a schematic representation and
Figure 3
the sheet transport path according to the invention in the area of the turn with a double-size turning drum in a schematic representation.

Eine Rotationsdruckmaschine, z. B. eine Bogen 7 verarbeitende Druckmaschine 1, weist einen Anleger 2, mindestens ein Druckwerk 3 bzw. 4 und einen Ausleger 6 auf. Die Bogen 7 werden von einem Bogenstapel 8 entnommen und vereinzelt oder schuppenförmig über einen Zuführtisch 9 den Druckwerken 3 und 4 zugeführt. Diese enthalten in bekannter Weise jeweils einen Plattenzylinder 11; 12. Die Plattenzylinder 11 und 12 weisen jeweils eine Vorrichtung 13, 14 zum Befestigen flexibler Druckplatten auf. Darüber hinaus ist jedem Plattenzylinder 11; 12 eine Vorrichtung 16; 17 für den halb- oder vollautomatischen Druckplattenwechsel zugeordnet.A rotary printing machine, e.g. B. a sheet 7 processing printing machine 1 has a feeder 2, at least one printing unit 3 or 4 and a delivery 6. The bow 7 are removed from a sheet stack 8 and separated or scaly over a feed table 9 fed to the printing units 3 and 4. These contain known ones Way a plate cylinder 11; 12. The plate cylinders 11 and 12 each have a device 13, 14 for attaching flexible printing plates. Beyond that each plate cylinder 11; 12 a device 16; 17 for the semi or fully automatic Assigned printing plate change.

Der Bogenstapel 8 liegt auf einer gesteuert anhebbaren Stapelplatte 10 auf. Die Entnahme der Bogen 7 erfolgt von der Oberseite des Bogenstapels 8 mittels eines sogenannten Saugkopfes 18, der unter anderem eine Anzahl von Hub- und Schleppsaugern 19, 21 für die Vereinzelung der Bogen 7 aufweist. Darüber hinaus sind Blaseinrichtungen 22 zur Auflockerung der oberen Bogenlagen und Tastelemente 23 zur Stapelnachführung vorgesehen. Zur Ausrichtung des Bogenstapels 8, insbesondere der oberen Bogen 7 des Bogenstapels 8, sind eine Anzahl von seitlichen und hinteren Anschlägen vorgesehen.The sheet stack 8 rests on a stack plate 10 which can be raised in a controlled manner. The withdrawal the sheet 7 takes place from the top of the sheet stack 8 by means of a so-called Suction head 18, which includes a number of lifting and dragging vacuum cleaners 19, 21 for the separation of the sheets 7. In addition, blowing devices 22 for Loosening of the upper sheet layers and sensing elements 23 for stack tracking intended. To align the sheet stack 8, in particular the upper sheet 7 of the Sheet stack 8, a number of side and rear stops are provided.

Zwischen zwei nebeneinander angeordneten Druckwerken 3, 4 ist eine Wendeeinrichtung 26 für die zu verarbeitenden Bogen 7 vorgesehen. Die Wendeeinrichtung 26 ist derart aktivierbar, dass die Bogen 7 entweder im Schöndruck- oder im Schön- und Wiederdruckmodus verarbeitet werden können. Die Wendeeinrichtung 26 besteht im Wesentlichen aus einer Drei-Trommel-Wendung mit - in Bogentransportrichtung gesehen - hintereinander geschalteten doppelt- oder mehrfach-großem Übergabezylinder 27, einer doppelt- oder mehrfach-großen Speichertrommel 28 und einer mindestens einfach-großen Wendetrommel 29. Der Druckzylinder 31 des Druckwerkes 3 weist im Bereich der Bogentransportstrecke eine Leiteinrichtung 32 auf, die im wesentlichen aus stationär angeordneten Blasrohren 33 besteht. Die Blasrohre 33 sind so auf den frisch bedruckten Bogen 7 ausgerichtet, dass dieser gegen den Druckzylinder 31 angedrückt wird, um ein Abrutschen beim Ablaufen der Bogen zu verhindern. Der Bogen 7 wird an seiner Vorderkante an eine Greiferreihe 40 des Übergabezylinders 27 übergeben. Die Außenkontur 35 des Übergabezylinders 27 ist hierbei zumindest im Bereich des Druckbildes soweit zurückgenommen bzw. befindet sich soweit innerhalb der von der Greiferreihe 40 definierten kreisförmigen Peripherie 42, dass ein ausreichend großer Abstand zwischen der Oberfläche des Übergabezylinders 27 und dem Druckbild gewährleistet ist.Between two printing units 3, 4 arranged side by side is a turning device 26 provided for the sheet 7 to be processed. The turning device 26 is such can be activated that the sheet 7 either in straight printing or in fine and Reprint mode can be processed. The turning device 26 consists in Essentially from a three-drum turn with - seen in the sheet transport direction - successively connected double or multiple large transfer cylinder 27, one double or multiple large storage drum 28 and an at least single large Reversing drum 29. The printing cylinder 31 of the printing unit 3 has in the area of Sheet transport route on a guide device 32, which is essentially stationary arranged blowpipes 33 there. The blowpipes 33 are so on the freshly printed Sheet 7 aligned that this is pressed against the impression cylinder 31 to a To prevent slipping when the sheets run off. The bow 7 is on his Pass the leading edge to a gripper row 40 of the transfer cylinder 27. The The outer contour 35 of the transfer cylinder 27 is at least in the region of the Print image withdrawn so far or is so far within that of the Gripper row 40 defined circular periphery 42 that a sufficiently large Distance between the surface of the transfer cylinder 27 and the printed image is guaranteed.

Im Bereich der Transportstrecke zwischen Druckzylinder 31 und der nachfolgenden Speichertrommel 28 ist eine stationäre Leiteinrichtung, z. B. ein Düsenleitblech 34, vorgesehen, welches an die kreisförmige Peripherie 42 angepasst ist. Diese stationäre pneumatisch beaufschlagbare Leiteinrichtung 34 hält den Bogen gegen radial nach außen wirkende Kräfte auf einer vorgebbaren Bahn.In the area of the transport route between the printing cylinder 31 and the subsequent one Storage drum 28 is a stationary guide device, e.g. B. a nozzle guide plate 34, provided, which is adapted to the circular periphery 42. This stationary Pneumatically actuated guide device 34 holds the sheet against radially outwards forces acting on a predefinable path.

Der Bogen 7 wird an seiner Vorderkante von einer Greiferreihe der Speichertrommel 28 erfasst und mit dem frischen Druckbild nach außen weisend im Schön- und Widerdruck soweit um die Speichertrommel 28 herumgeführt, bis eine Greiferreihe 43 der Wendetrommel 29 die Hinterkante des Bogens 7 erfasst. Im Übergabebereich 44 von Übergabezylinder 27 und Speichertrommel 28 sind Blaseinrichtungen 36 in Form vom Blasrohren 37 vorgesehen, die stationär angeordnet auf die Außenfläche der Speichertrommel 28 gerichtet sind und derart auf den Bogen 7 blasen, so dass dieser gut fixiert transportiert wird. Zusätzlich ist die Speichertrommel 28 mit Hinterkantensaugern 39 ausgestattet. Diese unterstützen ebenfalls das Halten und Fixieren des Bogens 7 auf der Speichertrommel 28, insbesondere in dem Bereich, der hinter der Übergabestelle zur Wendetrommel 29 liegt. Diese Hinterkantensauger 39 halten die Bogenhinterkante beim Wendebetrieb solange fest, bis diese von der Greiferreihe 43 der nachfolgenden Wendetrommel 29 erfasst wird.The sheet 7 is at its front edge by a row of grippers of the storage drum 28 captured and with the fresh printed image facing outwards in perfecting so far around the storage drum 28 until a gripper row 43 of Turning drum 29 detects the rear edge of the sheet 7. In the transfer area 44 from Transfer cylinder 27 and storage drum 28 are blowing devices 36 in the form of Blow pipes 37 are provided, which are arranged stationary on the outer surface of the Storage drum 28 are directed and blow on the sheet 7 so that it is good is transported fixed. In addition, the storage drum 28 with trailing edge suction devices 39 equipped. These also support the holding and fixing of the sheet 7 on the Storage drum 28, in particular in the area behind the transfer point Turning drum 29 lies. These trailing edge suction cups 39 hold the trailing edge of the sheet Reversing operation until it is from the gripper row 43 of the following Turning drum 29 is detected.

Insbesondere auch im Schöndruckbetrieb wird die Hinterkante des Bogens 7 fixiert. Nach der Übergabe der Bogenvorderkante an die Greiferreihe 43 der Wendetrommel 29 wird der Bogen 7 gleichzeitig durch die Greiferreihe 43 und durch die Hinterkantenssauger 39 der Speichertrommel 28 transportiert. The trailing edge of the sheet 7 is also fixed, particularly in straight printing. To the transfer of the leading edge of the sheet to the gripper row 43 of the turning drum 29 Sheet 7 simultaneously through the gripper row 43 and through the trailing edge suction device 39 Storage drum 28 transported.

Die Speichertrommel 28 weist wahlweise oder auch zusätzlich zum Hinterkantensauger 39 Saugeinrichtungen 38 auf, die z. B. aus Saugöffnungen bestehen, die über die Mantelfläche der Speichertrommel 28 verteilt sind und im Bereich des Bogenformates aktivierbar sind.The storage drum 28 optionally or also in addition to the trailing edge suction device 39 Suction devices 38 on the z. B. consist of suction openings that over the lateral surface of the storage drum 28 are distributed and can be activated in the area of the sheet format.

Nach der Übernahme des Bogens durch die Greiferreihe 43 der Wendetrommel 29 wird der Bogen 7 an den nachfolgenden Druckzylinder 41 des Druckwerkes 4 übergeben. Hierbei ist das Druckbild im Schöndruck dem Wendetrommelinneren zugewandt. Damit das Druckbild berührungsfrei von der Wendetrommel 29 geführt werden kann, ist die Außenkontur 46 soweit zurückgenommen bzw. weist eine Oberfläche auf, die innerhalb der durch die Bewegung der Greiferreihe 43 definierte kreisförmige Peripherie 47 liegt. Durch diese Maßnahme ist ausreichend Platz zwischen dem frischen Druckbild und der Außenfläche der Wendetrommel 29.After the sheet has been taken over by the gripper row 43 of the turning drum 29, the Transfer sheet 7 to the subsequent printing cylinder 41 of the printing unit 4. Here is the printed image in face-up printing facing the inside of the drum. So that Print image can be guided without contact by the turning drum 29, is the Outer contour 46 withdrawn so far or has a surface that is inside the circular periphery 47 defined by the movement of the gripper row 43 lies. This measure provides enough space between the fresh print image and the Outer surface of the turning drum 29.

Im Schöndruckbetrieb gewährleistet die Maßnahme, den Bogen gleichzeitig an der Vorderkante und an der Hinterkante zu transportieren, in Verbindung mit der zurückgenommenen Außenkontur 46 der Wendetrommel 29, dass das frische Druckbild die Wendetrommel 29 nicht berühren kann.In straight printing, the measure ensures that the sheet is simultaneously on the To be transported in front and at the rear edge in connection with the withdrawn outer contour 46 of the turning drum 29 that the fresh print image cannot touch the turning drum 29.

Um insbesondere ein Anschlagen des Bogenendes nach der Übernahme des Bogens 7 von der Wendetrommel 29 auf den Druckzylinder 41 zu verhindern, sind oberhalb des Druckzylinders 41 im Bogentransportbereich (Zwickel 44) zwischen Wendetrommel 29 und Druckzylinder 41 Blaseinrichtungen 48 angeordnet. Im Schön- und Widerdruckbetrieb befindet sich das Druckbild auf der der Wendetrommel abgewandten Seite, so dass hier ohne weitere Maßnahmen ein Abschmieren an der Wendetrommel ausgeschlossen ist.In order in particular to strike the bow end after taking over the bow 7 from to prevent the turning drum 29 on the pressure cylinder 41 are above the Printing cylinder 41 in the sheet transport area (gusset 44) between turning drum 29 and pressure cylinder 41 blowing devices 48 arranged. In perfecting and reverse printing the print image is on the side facing away from the turning drum, so here greasing on the turning drum is excluded without further measures.

Unterhalb der Wendetrommel 29 angeordnete Blas- und Lüftereinrichtungen 49 unterstützen die Bogenführung beim Wendevorgang und verhindern ein Umschlagen des Bogenendes und damit einen frühzeitigen Kontakt mit dem Druckzylinder 41. Blowing and ventilating devices 49 arranged below the turning drum 29 support the sheet guidance during the turning process and prevent the End of arc and thus early contact with the printing cylinder 41.

Bei einer weiteren Ausführungsform gemäß Figur 3 ist die Wendetrommel 29 als doppelt-großer Zylinder ausgebildet. Insbesondere bei der Verarbeitung von dickem Papier, wie z.B. Karton, begünstigt der große Radius das Transportverhalten.In a further embodiment according to FIG. 3, the turning drum 29 is a double-sized one Cylinder formed. Especially when processing thick paper, such as e.g. Carton, the large radius favors the transport behavior.

Beim erfindungsgemäßen Verfahren zum Transport eines Bogens durch eine Drei-Trommel-Wendeeinrichtung im Schön- und Schön- und Widerdruckbetrieb ergeben sich folgende Verfahrensschritte:

  • Führen des Bogens im Bereich des Übergabezylinders 27 auf einer Bahn, die zum Umfang des Übergabezylinders 27 und zu den stationären Leiteinrichtungen 34 beabstandet ist, Führen des Bogens im Bereich der Speichertrommel 28 bei gleichzeitigem Fixieren des Bogens auf der Oberfläche der Speichertrommel 28,
    Führen des Bogens im Bereich der Wendetrommel 29 auf einer Bahn, die zum Umfang der Wendetrommel 29 und zu den stationären Leiteinrichtungen 49 beabstandet ist.
    • In the method according to the invention for transporting a sheet through a three-drum turning device in perfecting and perfecting operation, the following process steps result:
  • Guiding the sheet in the area of the transfer cylinder 27 on a path which is spaced apart from the circumference of the transfer cylinder 27 and the stationary guide devices 34, guiding the sheet in the area of the storage drum 28 while simultaneously fixing the sheet to the surface of the storage drum 28,
    Guiding the sheet in the area of the turning drum 29 on a path which is spaced from the circumference of the turning drum 29 and from the stationary guide devices 49.

    • BezugszeichenlisteLIST OF REFERENCE NUMBERS

    11
    Druckmaschinepress
    22
    Anlegerinvestor
    33
    Druckwerkprinting unit
    4 54 5
    Druckwerkprinting unit
    66
    Auslegerboom
    77
    Bogenarc
    7a7a
    nächster Bogennext arch
    88th
    Bogenstapelsheet pile
    99
    Zuführtischfeed
    1010
    Stapelplattestacking plate
    1111
    Plattenzylinderplate cylinder
    1212
    Plattenzylinderplate cylinder
    1313
    DruckplattenbefestigungseinrichtungPrinting plate attachment means
    14 1514 15
    DruckplattenbefestigungseinrichtungPrinting plate attachment means
    1616
    DruckplattenwechslerPrinting plate changer
    1717
    DruckplattenwechslerPrinting plate changer
    1818
    Saugkopfsuction head
    19 2019 20
    Hubsaugerlifting sucker
    2121
    Schleppsaugerpull suckers
    2222
    Blaseinrichtungblower
    2323
    Tastelementscanning element
    24 2524 25
    Anschlagattack
    2626
    Wendeeinrichtungturning device
    2727
    Übergabezylinder Transfer cylinder
    2828
    Speichertrommelstorage drum
    29 3029 30
    Wendetrommelbeater
    3131
    Druckzylinder (3)Impression cylinder (3)
    3232
    Leiteinrichtungguide
    3333
    Blasrohreblowguns
    3434
    Leiteinrichtungguide
    3535
    Außenkontur (27)Outer contour (27)
    3636
    Blaseinrichtungblower
    3737
    Blasrohreblowguns
    3838
    Saugeinrichtung (28)Suction device (28)
    3939
    Hinterkantensauger (21)Trailing edge suction device (21)
    4040
    Greiferreihe (27)Gripper row (27)
    4141
    Druckzylinder (4)Impression cylinder (4)
    4242
    kreisförmige Peripherie (27)circular periphery (27)
    4343
    Greiferreihe (29)Gripper row (29)
    44 4544 45
    Übergabebereich (27, 28)Transfer area (27, 28)
    4646
    Außenkontur (29)Outer contour (29)
    4747
    kreisförmige Peripherie (29)circular periphery (29)
    4848
    Blasvorrichtungblower
    4949
    Blas- und LüftereinrichtungenBlower and fan devices

    Claims (10)

    Bogenrotationsdruckmaschine für den wahlweisen Schön- oder Schön- und Wiederdruck mit einer Drei-Trommel-Wendung mit drei hintereinandergeschalteten Übergabezylindern zwischen den Druckzylindern zweier benachbarter Druckwerke, wobei diese ein doppelt- oder mehrfach-großer Übergabezylinder, eine doppelt- oder mehrfach-große Speichertrommel und eine mindestens einfach-große Wendetrommel sind,
    dadurch gekennzeichnet, dass der Übergabezylinder (27) eine Außenkontur (35) aufweist, die kleiner ist, als die durch vorgesehene Greifer (40) vorgegebene kreisförmige Peripherie (42) und dass die Wendetrommel (29) eine Außenkontur (46) aufweist, die kleiner ist als die durch vorgesehene Greifer (43) vorgegebene kreisförmige Peripherie (47).    Sheet-fed rotary printing press for the optional perfecting or perfecting and reprinting with a three-drum turn with three successive transfer cylinders between the printing cylinders of two adjacent printing units, these being a double or multiple-size transfer cylinder, a double or multiple-size storage drum and one are at least single-sized turning drum,
    characterized in that the transfer cylinder (27) has an outer contour (35) which is smaller than the circular periphery (42) predetermined by the provided gripper (40) and that the turning drum (29) has an outer contour (46) which is smaller is defined as the circular periphery (47) predetermined by the provided gripper (43).         Bogenrotationsdruckmaschine nach Anspruch 1,
    dadurch gekennzeichnet, dass der Übergabezylinder (27) eine pneumatisch beaufschlagbare Leiteinrichtung (34) aufweist.    Sheet-fed rotary printing machine according to claim 1,
    characterized in that the transfer cylinder (27) has a pneumatically actuated guide device (34).         Bogenrotationsdruckmaschine nach Anspruch 2,
    dadurch gekennzeichnet, dass die Leiteinrichtung (34) an die kreisförmige Peripherie (42) des Übergabezylinders (27) angepasst und von dieser beabstandet angeordnet ist.    Sheet-fed rotary printing machine according to claim 2,
    characterized in that the guide device (34) is adapted to the circular periphery (42) of the transfer cylinder (27) and is arranged at a distance therefrom.         Bogenrotationsdruckmaschine nach Anspruch 1,
    dadurch gekennzeichnet, dass die Speichertrommel (28) im Bogentragbereich Saugeinrichtungen (38) aufweist.     Sheet-fed rotary printing machine according to claim 1,
    characterized in that the storage drum (28) has suction devices (38) in the sheet support area.         Bogenrotationsdruckmaschine nach Anspruch 1,
    dadurch gekennzeichnet, dass die Speichertrommel (28) Hinterkantensauger (39) und eine stationär angeordnete Blaseinrichtung (36) aufweist.    Sheet-fed rotary printing machine according to claim 1,
    characterized in that the storage drum (28) has trailing edge suction devices (39) and a stationary blowing device (36).         Bogenrotationsdruckmaschine nach Anspruch 5,
    dadurch gekennzeichnet, dass die Blaseinrichtung (36) derart ausgerichtet ist, dass der Bogen (7) in den Wirkbereich der Hinterkantensauger (39) gelangt.    Sheet-fed rotary printing machine according to claim 5,
    characterized in that the blowing device (36) is aligned in such a way that the sheet (7) reaches the effective area of the trailing edge suction device (39).         Bogenrotationsdruckmaschine nach Anspruch 1,
    dadurch gekennzeichnet, dass im Bogentransportbereich der Wendetrommel Blas- und/oder Lüftereinrichtungen (49) angeordnet sind, die einen ruhigen Bogenlauf im Wendebetrieb gewährleisten.    Sheet-fed rotary printing machine according to claim 1,
    characterized in that blowing and / or fan devices (49) are arranged in the sheet transport area of the turning drum, which ensure smooth sheet travel in turning operation.         Bogenrotationsdruckmaschine nach Anspruch 1,
    dadurch gekennzeichnet, dass einem bogenauslaufseitigen Zwickelbereich (44) zwischen Wendetrommel (29) und Druckzylinder (41) Blaseinrichtungen (48) angeordnet sind, die ein Umschlagen der Bogenhinterkante vermeiden.    Sheet-fed rotary printing machine according to claim 1,
    characterized in that a gusset area (44) on the sheet outlet side is arranged between the turning drum (29) and the pressure cylinder (41), blowing devices (48) which prevent the rear edge of the sheet from turning over.         Bogenrotationsdruckmaschine nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass am Druckzylinder (31) Bogenleiteinrichtungen (33) angeordnet sind, die den Bogen an die Druckzylinderoberfläche drücken.     Sheet-fed rotary printing machine according to one of the preceding claims,
    characterized in that sheet guiding devices (33) are arranged on the impression cylinder (31), which press the sheet against the impression cylinder surface.         Verfahren zum Transportieren eines Bogens durch eine Drei-Trommel-Wendeeinrichtung im Schön- und Schön- und Widerdruckbetrieb,
    gekennzeichnet durch
    folgende Verfahrensschritte: Führen des Bogens im Bereich des Übergabezylinders (27) auf einer Bahn, die zum Umfang des Übergabezylinders (27) und zu den stationären Leiteinrichtungen (34) beabstandet ist, Führen des Bogens im Bereich der Speichertrommel (28) bei gleichzeitigem Fixieren des Bogens auf der Oberfläche der Speichertrommel (28), Führen des Bogens im Bereich der Wendetrommel (29) auf einer Bahn, die zum Umfang der Wendetrommel (29) und zu den stationären Leiteinrichtungen (49) beabstandet ist.     Method for transporting a sheet through a three-drum turning device in perfecting and perfecting operation,
    marked by
    following process steps: Guiding the sheet in the area of the transfer cylinder (27) on a path which is spaced from the circumference of the transfer cylinder (27) and from the stationary guide devices (34), Guiding the sheet in the area of the storage drum (28) while simultaneously fixing the sheet on the surface of the storage drum (28), Guide the sheet in the area of the turning drum (29) on a path that is spaced from the circumference of the turning drum (29) and from the stationary guide devices (49).
    EP02026970A 2001-12-27 2002-12-04 Sheet processing machine with three reversing cylinders Expired - Lifetime EP1323526B2 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10164255 2001-12-27
    DE10164255A DE10164255A1 (en) 2001-12-27 2001-12-27 Three-drum turning device for sheet-processing machine

    Publications (3)

    Publication Number Publication Date
    EP1323526A1 true EP1323526A1 (en) 2003-07-02
    EP1323526B1 EP1323526B1 (en) 2009-06-24
    EP1323526B2 EP1323526B2 (en) 2011-12-07

    Family

    ID=7711043

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02026970A Expired - Lifetime EP1323526B2 (en) 2001-12-27 2002-12-04 Sheet processing machine with three reversing cylinders

    Country Status (6)

    Country Link
    US (1) US7325493B2 (en)
    EP (1) EP1323526B2 (en)
    JP (1) JP2003334926A (en)
    CN (1) CN1295079C (en)
    AT (1) ATE434521T1 (en)
    DE (2) DE10164255A1 (en)

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    Also Published As

    Publication number Publication date
    DE10164255A1 (en) 2003-07-17
    EP1323526B1 (en) 2009-06-24
    US7325493B2 (en) 2008-02-05
    DE50213633D1 (en) 2009-08-06
    US20030121433A1 (en) 2003-07-03
    JP2003334926A (en) 2003-11-25
    ATE434521T1 (en) 2009-07-15
    EP1323526B2 (en) 2011-12-07
    CN1428244A (en) 2003-07-09
    CN1295079C (en) 2007-01-17

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