EP1070584B1 - Sheet printing machine - Google Patents

Sheet printing machine Download PDF

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Publication number
EP1070584B1
EP1070584B1 EP00113654A EP00113654A EP1070584B1 EP 1070584 B1 EP1070584 B1 EP 1070584B1 EP 00113654 A EP00113654 A EP 00113654A EP 00113654 A EP00113654 A EP 00113654A EP 1070584 B1 EP1070584 B1 EP 1070584B1
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EP
European Patent Office
Prior art keywords
printing
forme
cylinder
printing unit
forme cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00113654A
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German (de)
French (fr)
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EP1070584A1 (en
Inventor
Karlheinz Weber
Michael Rother
Berthold Seib
Bernd Lindner
Helmut Schild
Reinhold Heilmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1070584A1 publication Critical patent/EP1070584A1/en
Application granted granted Critical
Publication of EP1070584B1 publication Critical patent/EP1070584B1/en
Anticipated expiration legal-status Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/12Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders

Definitions

  • the invention relates to a sheet printing machine according to the Preamble of claim 1.
  • DE 4343616 A1 describes a sheet-fed offset printing press in Series construction with printing units for face printing and one known upstream of the first printing unit.
  • printing units for the straight printing as well as the reverse printing unit forme cylinders are arranged on which printing forms can be clamped are.
  • the forme cylinders have fastening devices to shorten the set-up time on, by means of which a printing form is easy and in particular can be changed automatically.
  • To the ends of a printing form are each in the beginning of printing and the fastening device associated with the printing end of the printing form attached to the forme cylinder.
  • From EP 0654349 and DE 4215969 C2 is a in a straight printing unit
  • Form cylinder arranged sheet-fed offset printing machine known its fastening devices for automated changing a printing form are formed.
  • the starting edge of the print fastening device serving the printing form is designed to be cylindrical, in particular in the form of a cylinder-fixed upper part with a radially movable lower part.
  • the rear fastening device which is also used as a tensioning rail is designed to be pivotable. By swiveling this rail is the print end with the one around the forme cylinder mounted printing form detectable and after building a Clamping force takes place the clamping of the printing form over assigned Spring elements.
  • the fasteners are preferred pneumatically and / or hydraulically operating actuators assigned. Above all, the forme cylinder assigned and adjustable at these control devices a new printing form in the opened printing start fastening device by rotating the forme cylinder forward mounted on this and then on the printing end fastening device attached and tensioned.
  • the forme cylinder of a counterpressure functionally has that perform the same tasks, i.e. a printing form is on the Print start and print end edge must hold and around the Outside circumference can be stretched.
  • a printing press the type mentioned rotates the forme cylinder of the counterpressure against the direction of rotation of the printing units for the Beautifully printed.
  • the forme cylinders for the straight printing units are different to the forme cylinder of a printing press.
  • the different one Structure of the forme cylinder and / or those located therein Fasteners thus result in manufacturing costs negatively influencing variety of parts.
  • the object of the present invention is therefore a sheet-fed printing machine according to the preamble of claim 1 to expand, so that caused by the variety of parts Manufacturing effort can be significantly reduced.
  • the in an impression unit arranged forme cylinder with respect to cylinder body and the fastening devices which grip the ends of the printing form equal to the forme cylinder of the printing units for is the straight print.
  • the forme cylinder rotates in the impression unit only against the forme cylinders in the Printing units for straight printing.
  • the printing form in the counter printing unit is with the leading edge by a fastening device held, which in a straight printing unit End of print edge holds.
  • the end of the print is on the forme cylinder of the counterpressure from the fastening device held, which in a straight printing unit Print start edge holds.
  • the forme cylinder in the impression unit only rotates against the direction of rotation of the forme cylinder in the straight printing units.
  • the present invention is also in a printing press with the straight printing units downstream and one with a Counter-pressure cylinder interacting form cylinder Coating unit applicable.
  • Figure 1 shows a sheetfed offset printing press with two printing units 1, 2 for straight printing.
  • the printing units 1, 2 for Face printing each act in a manner known per se 3 and a blanket cylinder 4 with an impression cylinder 5 (double size) together.
  • the first printing unit 1 for straight printing is an impression printing unit upstream, which is a forme cylinder 10, a blanket cylinder 9 and a cooperating with the blanket cylinder 9 Impression cylinder 7.
  • the transport of sheets to the counter pressure units via a transfer drum 8, the sheets are between the printing units 1, 2 for straight printing handed over by means of a further transfer drum 6.
  • the Moist and inking units are the Moist and inking units not shown.
  • Figure 3 shows the forme cylinder 3, the blanket cylinder 4th and those interacting with the blanket cylinder 4 Impression cylinder 5 one of the printing units 1, 2 for straight printing in detail.
  • the forme cylinder 3 has an axially parallel Pit in a known manner trained fastening devices 15, 16, which is designed as a tensioning rail are on.
  • the fastening device 15 serves the Inclusion of the print leading and thus the start of printing DA associated edge of a printing form, not shown.
  • the fastening device 16 is used for receiving and Clamping of the trailing end and thus associated with the printing end DE Edge of a printing form.
  • the fastening device 15 pressure start DA
  • the one shown as a gap Detection area of the fastening device 15 for the Print start edge of a printing form can be used to clamp this Edge to be closed.
  • the one used to hold the printing end DE of a printing form Fastening device 16 is designed as a rail and overall pivotable about an axis. The end of the printing form can thus through the detection area of the fastening device 16 captured when swiveling forward, then clamped and through Swiveling the fastening device 16 back over spring elements shown are tensioned.
  • Figure 2 shows the forme cylinder 10 with the axially parallel Pit and the fastening devices arranged therein 15, 16 in detail.
  • the direction of rotation of the forme cylinder 10 in The counterpressure is opposite to the direction of rotation of the forme cylinder 3 in the printing units 1, 2 for straight printing.
  • the sense of rotation of the cylinders 9, 10 in the counter pressure unit and 3, 4 in printing units 1, 2 for straight printing are shown in FIGS and 3 indicated.
  • the fastening devices 15 arranged in the cylinder body 16 are the forme cylinders 3, 10 in the printing units for straight printing 1, 2 or back pressure unit identical.
  • a comparison of the Figures 2 and 3 shows that the fastening device 15 in Printing unit 1, 2 for perfect printing of the forme cylinder 3 the start of printing DA is assigned, i.e. to accommodate the start of printing edge serves a printing form.
  • the fastening device serves accordingly 16 (swiveling) of the recording of the end of the printer DE assigned edge of a printing form.
  • the assignment of the fastening devices is exactly the opposite 15, 16 on the forme cylinder 10 of the impression unit. Because of the opposite direction of rotation (opposite the fastening device serves for the direction of rotation of the forme cylinder 3) 15 for receiving the printing end DE Printing form, whereas the swiveling fastening device 16 is assigned to the start of printing DA of the forme cylinder 10, in other words, the edge of the printing form that precedes printing. Since the cylinder-fixed fastening device 15 for Recording of the edge of one assigned to the printing end DE Printing form is used, this is expediently with the printing edge first inserted into this fastening device 15.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

The offset printer has a first form printing mechanism (1,2) and a further printing mechanism, with form cylinders. The form cylinder (3,10) in the first form printing mechanism rotates in a direction opposite to that of the further printing mechanism. The fixture for the start of printing in the first form printing mechanism corresponds to the printing end in the further printing mechanism, and the fixture for the printing-end in the first form printing corresponds to the printing start in the further printing mechanism.

Description

Die Erfindung betrifft eine Bogendruckmaschine gemäß dem Oberbegriff von Anspruch 1.The invention relates to a sheet printing machine according to the Preamble of claim 1.

[Stand der Technik][State of the art]

Aus der DE 4343616 A1 ist eine Bogenoffsetdruckmaschine in Reihenbauweise mit Druckwerken für den Schöndruck sowie einem dem ersten Druckwerk vorgeordneten Widerdruckwerk bekannt. In den Druckwerken für den Schöndruck sowie dem Widerdruckwerk sind Formzylinder angeordnet, an denen Druckformen aufspannbar sind.DE 4343616 A1 describes a sheet-fed offset printing press in Series construction with printing units for face printing and one known upstream of the first printing unit. In the printing units for the straight printing as well as the reverse printing unit forme cylinders are arranged on which printing forms can be clamped are.

Zur Rüstzeitverkürzung weisen die Formzylinder Befestigungsvorrichtungen auf, vermittels denen eine Druckform einfach und insbesondere automatisiert gewechselt werden kann. Dazu werden die Enden einer Druckform in je einer dem Druckanfang und dem Druckende der Druckform zugeordneten Befestigungsvorrichtung des Formzylinders befestigt. Aus der EP 0654349 sowie der DE 4215969 C2 ist ein in einem Schöndruckwerk einer Bogenoffsetdruckmaschine angeordneter Formzylinder bekannt, dessen Befestigungsvorrichtungen zum automatisierten Wechseln einer Druckform ausgebildet sind. Die der Aufnahme der Druckanfang-Kante der Druckform dienende Befestigungsvorrichtung ist dabei zylinderfest ausgeführt, insbesondere in Form eines zylinderfesten Oberteils mit einem radial beweglichen Unterteil. Zur Aufnahme der Druckende-Kante der Druckform ist die hintere Befestigungsvorrichtung, welche ebenfalls als Spannschiene ausgebildet ist, schwenkbar ausgeführt. Durch Schwenken dieser Schiene ist das Druckende mit der um den Formzylinder aufgezogenen Druckform erfassbar und nach Aufbau einer Klemmkraft erfolgt das Spannen der Druckform über zugeordnete Federelemente. Den Befestigungsvorrichtungen sind vorzugsweise pneumatisch und/oder hydraulisch wirkende Betätigungseinrichtungen zugeordnet. Über insbesondere dem Formzylinder zugeordnete und an diesen anstellbare Leiteinrichtungen kann eine neue Druckform in die geöffnete Druckanfang- Befestigungsvorrichtung eingeführt, durch Vorwärtsdrehen des Formzylinders auf diesen aufgezogen und dann an der Druckende-Befestigungsvorrichtung befestigt und gespannt werden.The forme cylinders have fastening devices to shorten the set-up time on, by means of which a printing form is easy and in particular can be changed automatically. To the ends of a printing form are each in the beginning of printing and the fastening device associated with the printing end of the printing form attached to the forme cylinder. From EP 0654349 and DE 4215969 C2 is a in a straight printing unit Form cylinder arranged sheet-fed offset printing machine known its fastening devices for automated changing a printing form are formed. The starting edge of the print fastening device serving the printing form is designed to be cylindrical, in particular in the form of a cylinder-fixed upper part with a radially movable lower part. To accommodate the printing end edge of the printing form is the rear fastening device, which is also used as a tensioning rail is designed to be pivotable. By swiveling this rail is the print end with the one around the forme cylinder mounted printing form detectable and after building a Clamping force takes place the clamping of the printing form over assigned Spring elements. The fasteners are preferred pneumatically and / or hydraulically operating actuators assigned. Above all, the forme cylinder assigned and adjustable at these control devices a new printing form in the opened printing start fastening device by rotating the forme cylinder forward mounted on this and then on the printing end fastening device attached and tensioned.

Der Formzylinder eines Widerdruckwerkes hat funktional die gleichen Aufgaben zu erfüllen, d.h. eine Druckform ist an der Druckanfang- und der Druckende-Kante zu halten und muß um den Außenumfang gespannt werden. Bei einem Widerdruckwerk der eingangs genannten Art rotiert der Formzylinders der Widerdruckwerkes entgegen dem Drehsinn der Druckwerke für den Schöndruck. Bei unterschiedlich ausgebildeten Befestigungsvorrichtungen für den Druckanfang und das Druckende wären also die Formzylinder für die Schöndruckwerke unterschiedlich zu dem Formzylinder eines Widerdruckwerkes. Der unterschiedliche Aufbau des Formzylinders und/oder der darin befindlichen Befestigungsvorrichtungen ergibt so eine die Herstellkosten negativ beeinflussende Teilevielfalt.The forme cylinder of a counterpressure functionally has that perform the same tasks, i.e. a printing form is on the Print start and print end edge must hold and around the Outside circumference can be stretched. In a printing press the type mentioned rotates the forme cylinder of the counterpressure against the direction of rotation of the printing units for the Beautifully printed. With differently designed fastening devices for the beginning and end of printing So the forme cylinders for the straight printing units are different to the forme cylinder of a printing press. The different one Structure of the forme cylinder and / or those located therein Fasteners thus result in manufacturing costs negatively influencing variety of parts.

[Aufgabe der Erfindung]OBJECT OF THE INVENTION

Aufgabe der vorliegenden Erfindung ist es daher eine Bogendruckmaschine gemäß dem Oberbegriff von Anspruch 1 derartig zu erweitern, so dass der durch die Teilevielfalt hervorgerufene Herstellungsaufwand spürbar reduziert werden kann.The object of the present invention is therefore a sheet-fed printing machine according to the preamble of claim 1 to expand, so that caused by the variety of parts Manufacturing effort can be significantly reduced.

Gelöst wird diese Aufgabe durch die kennzeichnenden Merkmale von Anspruch 1. Weiterbildung der Erfindung ergeben sich aus den Unteransprüchen.This task is solved by the characteristic features of claim 1. Further development of the invention result from the subclaims.

Gemäß der Erfindung ist vorgesehen, dass der in einem Widerdruckwerk angeordnete Formzylinder hinsichtlich Zylinderkörper sowie der die Enden der Druckform erfassenden Befestigungsvorrichtungen gleich dem Formzylinder der Druckwerke für den Schöndruck ist. Der Formzylinder im Widerdruckwerk rotiert dabei lediglich entgegen den Formzylindern in den Druckwerken für Schöndruck. Die Druckform im Widerdruckwerk wird mit der vorlaufenden Kante somit durch eine Befestigungsvorrichtung gehalten, welche in einem Schöndruckwerk die Druckende-Kante hält. Umgekehrt wird die Druckende-Kante auf dem Formzylinder des Widerdruckwerkes von der Befestigungsvorrichtung gehalten, welche in einem Schöndruckwerk die Druckanfang-Kante hält. Der Formzylinder im Widerdruckwerk rotiert dabei lediglich entgegen dem Drehsinn der Formzylinder in den Schöndruckwerken.According to the invention it is provided that the in an impression unit arranged forme cylinder with respect to cylinder body and the fastening devices which grip the ends of the printing form equal to the forme cylinder of the printing units for is the straight print. The forme cylinder rotates in the impression unit only against the forme cylinders in the Printing units for straight printing. The printing form in the counter printing unit is with the leading edge by a fastening device held, which in a straight printing unit End of print edge holds. Conversely, the end of the print is on the forme cylinder of the counterpressure from the fastening device held, which in a straight printing unit Print start edge holds. The forme cylinder in the impression unit only rotates against the direction of rotation of the forme cylinder in the straight printing units.

Dadurch, dass im Widerdruckwerk ein zu den Formzylindern in den Schöndruckwerken baugleicher Formzylinder verwendet werden kann, reduziert sich die durch die Teilevielfalt hervorgerufene Herstellungsaufwand. Da im Druckbetrieb der Formzylinder des Widerdruckwerkes entgegen der Drehrichtung der Formzylinder in den Druckwerken für Schöndruck rotiert wird vorzugsweise auch das Wechseln einer Druckform in analoger Weise ausgeführt. Dazu wird zunächst die Druckende-Kante einer Druckform in den geöffneten Erfassungsbereich der entsprechenden Befestigungsvorrichtung des Formzylinders eingeführt. Diese Befestigungsvorrichtung entspricht in einem Druckwerk für Schöndruck der Druckanfang- Spannschiene. Zum Aufziehen der am Druckende befestigten Druckform wird der Formzylinder des Widerdruckwerkes entgegen der Richtung beim Drucken angetrieben, bis die Druckanfang-Kante in die entsprechende Befestigungsvorrichtung eingeführt, geklemmt und so dann gespannt werden kann. Diese Befestigungsvorrichtung entspricht der Druckende- Spannschiene am Formzylinder eines Schöndruckwerkes.Due to the fact that one of the forme cylinders in the same printing cylinders used identical forme cylinders can be reduced by the variety of parts induced manufacturing costs. Since in printing operation Forme cylinder of the counterpressure counter to the direction of rotation the forme cylinder rotates in the printing units for straight printing is preferably also the change of a printing form in analog Executed way. First, the print end edge a printing form in the open detection area of the corresponding fastening device of the forme cylinder introduced. This fastening device corresponds in one Printing unit for face printing of the pressure start clamping rail. To the The printing plate attached to the end of the print is pulled up Forme cylinder of the counter pressure unit against the direction at Print driven until the print start edge is in the appropriate Fastening device inserted, clamped and so then can be excited. This fastening device corresponds to the printing end clamping rail on the forme cylinder Beautiful printing unit.

Durch die oben beschriebene und an den umgekehrten Rotationsinn des Formzylinders eines Schöndruckwerkes angepaßte Vorgehensweise beim Wechseln einer Druckform ist eine einfache Automatisierung möglich. Wie bei den Druckwerken für Schöndruck können einfach ausgebildete Leiteinrichtungen vorgesehen sein, über welche eine neu zu zuführende Druckform der entsprechenden Befestigungsvorrichtung des Formzylinders im Widerdruckwerk zugeführt wird. Als weiterer Vorteil der Erfindung ergibt sich dabei, dass in dem Widerdruckwerk die Druckform im Bereich zwischen Gummituchzylinder und Feuchtwerk gewechselt werden kann. Bei einem Widerdruckwerk, welches unterhalb des Fördertisches eines Anlegers angeordnet ist, ist dies die dem Anleger zugewandte Seite, welche im Allgemeinen besser zugänglich ist als die in Richtung Ausleger weisenden Partien des Widerdruckwerkes.Through the above described and the reverse sense of rotation adapted to the forme cylinder of a straight printing unit How to change a printing form is an easy one Automation possible. As with the printing units for Straight-through printing can be done by trained guiding systems be provided, via which a new printing form to be fed the corresponding fastening device of the forme cylinder is fed in the counterpressure unit. Another advantage of The invention results in that in the counterpressure Printing form in the area between the blanket cylinder and dampening unit can be changed. With a counterpressure, which arranged below the feed table of an investor this is the side facing the investor, which is in the Generally more accessible than that towards the boom pointing parts of the counterpressure.

Die vorliegende Erfindung ist auch bei einer Druckmaschine mit den Schöndruckwerken nachgeordnetem und ein mit einem Gegendruckzylinder zusammenwirkenden Formzylinder aufweisendes Lackwerk anwendbar.The present invention is also in a printing press with the straight printing units downstream and one with a Counter-pressure cylinder interacting form cylinder Coating unit applicable.

[Beispiele][Examples]

Des weiteren erfolgt die Erläuterung eines Ausführungsbeispiels der Erfindung anhand der Zeichnungen. Es zeigt:

Fig. 1:
eine Bogenoffsetdruckmaschine in Reihenbauweise mit einem dem ersten Druckwerk vorgeordneten Widerdruckwerk,
Fig. 2:
der Formzylinder im Widerdruckwerk im Detail,
Fig. 3:
der im Aufbau identische und lediglich mit umgekehrter Drehrichtung betriebene Formzylinder im Schöndruckwerk
Furthermore, an embodiment of the invention is explained with reference to the drawings. It shows:
Fig. 1:
a sheet-fed offset printing press in series with an upstream printing unit upstream of the first printing unit,
Fig. 2:
the forme cylinder in the impression unit in detail,
Fig. 3:
the forme cylinder in the surface printing unit, which is identical in construction and only operated with the opposite direction of rotation

Figur 1 zeigt eine Bogenoffsetdruckmaschine mit zwei Druckwerken 1, 2 für Schöndruck. In den Druckwerken 1, 2 für Schöndruck wirken in an sich bekannter Weise je ein Formzylinder 3 sowie ein Gummituchzylinder 4 mit einem Gegendruckzylinder 5 (doppelt groß) zusammen.Figure 1 shows a sheetfed offset printing press with two printing units 1, 2 for straight printing. In the printing units 1, 2 for Face printing each act in a manner known per se 3 and a blanket cylinder 4 with an impression cylinder 5 (double size) together.

Dem ersten Druckwerk 1 für Schöndruck ist ein Widerdruckwerk vorgeordnet, welches einen Formzylinder 10, einen Gummituchzylinder 9 sowie ein mit dem Gummituchzylinder 9 zusammenwirkenden Gegendruckzylinder 7 aufweist. Der Transport von Bogen zu den Widerdruckwerken erfolgt über eine Transfertrommel 8, zwischen den Druckwerken 1, 2 für Schöndruck werden die Bogen mittels einer weiteren Transfertrommel 6 übergeben.The first printing unit 1 for straight printing is an impression printing unit upstream, which is a forme cylinder 10, a blanket cylinder 9 and a cooperating with the blanket cylinder 9 Impression cylinder 7. The transport of sheets to the counter pressure units via a transfer drum 8, the sheets are between the printing units 1, 2 for straight printing handed over by means of a further transfer drum 6.

Die Formzylinder 3 in den Druckwerken 1, 2 für Schöndruck sowie der Formzylinder 10 in dem dem ersten Druckwerk 1 für Schöndruck vorgeordneten Widerdruckwerk weisen die in der Figur 1 dargestellten Drehrichtungen (während des Druckens) auf. Mit dem Formzylinder 10 wirken in an sich bekannter Weise Walzen eines Feuchtwerkes 11 sowie eines Farbwerkes 12 zusammen. In den Druckwerken 1, 2 für Schöndruck sind die Feucht und Farbwerke nicht dargestellt.The forme cylinder 3 in the printing units 1, 2 for straight printing and the forme cylinder 10 in which the first printing unit 1 for Upstream upstream printing unit have the in the Figure 1 shown directions of rotation (during printing) on. With the forme cylinder 10 act in a manner known per se Rolling a dampening unit 11 and an inking unit 12 together. In the printing units 1, 2 for straight printing are the Moist and inking units not shown.

Figur 3 zeigt den Formzylinder 3, den Gummituchzylinder 4 sowie den mit dem Gummituchzylinder 4 zusammenwirkenden Gegendruckzylinder 5 eines der Druckwerke 1, 2 für Schöndruck im Detail. Der Formzylinder 3 weist in einer achsparallelen Grube in an sich bekannter Weise ausgebildete Befestigungsvorrichtungen 15, 16, welche als Spannschiene ausgebildet sind, auf. Die Befestigungsvorrichtung 15 dient dabei der Aufnahme der im Druck vorlaufenden und somit dem Druckanfang DA zugeordneten Kante einer nicht dargestellten Druckform. Die Befestigungsvorrichtung 16 dient der Aufnahme und dem Spannen des nachlaufenden und somit dem Druckende DE zugeordneten Kante einer Druckform. In dem gezeigten Ausführungsbeispiel ist die Befestigungsvorrichtung 15 (Druckanfang DA) als zylinderfeste Schiene ausgebildet. Der als Spalt dargestellte Erfassungsbereich der Befestigungsvorrichtung 15 für die Druckanfang-Kante einer Druckform kann zum Klemmen dieser Kante geschlossen werden.Figure 3 shows the forme cylinder 3, the blanket cylinder 4th and those interacting with the blanket cylinder 4 Impression cylinder 5 one of the printing units 1, 2 for straight printing in detail. The forme cylinder 3 has an axially parallel Pit in a known manner trained fastening devices 15, 16, which is designed as a tensioning rail are on. The fastening device 15 serves the Inclusion of the print leading and thus the start of printing DA associated edge of a printing form, not shown. The fastening device 16 is used for receiving and Clamping of the trailing end and thus associated with the printing end DE Edge of a printing form. In the embodiment shown is the fastening device 15 (pressure start DA) as cylindrical rail formed. The one shown as a gap Detection area of the fastening device 15 for the Print start edge of a printing form can be used to clamp this Edge to be closed.

Die zur Aufnahme des Druckendes DE einer Druckform dienende Befestigungsvorrichtung 16 ist als Schiene ausgebildet und insgesamt um eine Achse schwenkbar. Das Ende der Druckform kann so durch den Erfassungsbereich der Befestigungsvorrichtung 16 beim Vorschwenken erfasst, dann geklemmt und durch Zurückschwenken der Befestigungsvorrichtung 16 über nicht dargestellte Federelemente gespannt werden.The one used to hold the printing end DE of a printing form Fastening device 16 is designed as a rail and overall pivotable about an axis. The end of the printing form can thus through the detection area of the fastening device 16 captured when swiveling forward, then clamped and through Swiveling the fastening device 16 back over spring elements shown are tensioned.

Figur 2 zeigt den Formzylinder 10 mit der achsparallelen Grube und den darin angeordneten Befestigungsvorrichtungen 15, 16 im Detail. Die Drehrichtung des Formzylinders 10 im Widerdruckwerk verläuft entgegengesetzt zu der Drehrichtung des Formzylinders 3 in den Druckwerken 1, 2 für Schöndruck. Die Drehsinne der Zylinder 9, 10 im Widerdruckwerk sowie 3, 4 in den Druckwerken 1, 2 für Schöndruck sind in den Figuren 2 und 3 angegeben.Figure 2 shows the forme cylinder 10 with the axially parallel Pit and the fastening devices arranged therein 15, 16 in detail. The direction of rotation of the forme cylinder 10 in The counterpressure is opposite to the direction of rotation of the forme cylinder 3 in the printing units 1, 2 for straight printing. The sense of rotation of the cylinders 9, 10 in the counter pressure unit and 3, 4 in printing units 1, 2 for straight printing are shown in FIGS and 3 indicated.

Hinsichtlich Aufbau der Zylinderkörper sowie der in der Grube der Zylinderkörper angeordneten Befestigungsvorrichtungen 15, 16 sind die Formzylinder 3, 10 in den Druckwerken für Schöndruck 1, 2 bzw. Widerdruckwerk identisch. Ein Vergleich der Figuren 2 und 3 zeigt, dass die Befestigungsvorrichtung 15 im Druckwerk 1, 2 für Schöndruck des Formzylinders 3 dem Druckanfang DA zugeordnet ist, d.h. zur Aufnahme der Druckanfang-Kante einer Druckform dient. Entsprechend dient die Befestigungsvorrichtung 16 (schwenkbar) der Aufnahme der dem Drukkende DE zugeordneten Kante einer Druckform.With regard to the structure of the cylinder body and that in the pit the fastening devices 15 arranged in the cylinder body, 16 are the forme cylinders 3, 10 in the printing units for straight printing 1, 2 or back pressure unit identical. A comparison of the Figures 2 and 3 shows that the fastening device 15 in Printing unit 1, 2 for perfect printing of the forme cylinder 3 the start of printing DA is assigned, i.e. to accommodate the start of printing edge serves a printing form. The fastening device serves accordingly 16 (swiveling) of the recording of the end of the printer DE assigned edge of a printing form.

Genau umgekehrt dazu ist die Zuordnung der Befestigungsvorrichtungen 15, 16 auf dem Formzylinder 10 des Widerdruckwerkes. Wegen des entgegengesetzten Drehsinnes (entgegengesetzt zum Drehsinn des Formzylinders 3) dient hier die Befestigungsvorrichtung 15 zur Aufnahme des Druckendes DE einer Druckform, wohingegen die schwenkbare Befestigungsvorrichtung 16 dem Druckanfang DA des Formzylinders 10 zugeordnet ist, also die beim Drucken vorlaufende Kante der Druckform aufnimmt. Da die zylinderfeste Befestigungsvorrichtung 15 zur Aufnahme der dem Druckende DE zugeordneten Kante der einer Druckform dient, wird diese zweckmäßigerweise mit der Drukkende-Kante zuerst in diese Befestigungsvorrichtung 15 eingeführt.The assignment of the fastening devices is exactly the opposite 15, 16 on the forme cylinder 10 of the impression unit. Because of the opposite direction of rotation (opposite the fastening device serves for the direction of rotation of the forme cylinder 3) 15 for receiving the printing end DE Printing form, whereas the swiveling fastening device 16 is assigned to the start of printing DA of the forme cylinder 10, in other words, the edge of the printing form that precedes printing. Since the cylinder-fixed fastening device 15 for Recording of the edge of one assigned to the printing end DE Printing form is used, this is expediently with the printing edge first inserted into this fastening device 15.

Durch Drehen des Formzylinders 10 entgegen der Drehrichtung beim Drucken (gegen Uhrzeigersinn gemäß Figur 2) wird diese nach Klemmen in der Befestigungsvorrichtung 15 um den Außenumfang des Formzylinders aufgezogen. Sodann erfolgt das Einführen des dem Druckanfang DA zugeordneten Endes der Druckform in die Befestigungsvorrichtung 16 mit Klemmen und Spannen. Analog dazu wird eine auf dem Formzylinder 10 befindliche Druckform zunächst durch Lösen der Klemmung und Spannung der Befestigungsvorrichtung 16 am Druckanfang DA freigegeben und durch Drehen des Formzylinder 10 in die Drehrichtung beim Drucken vom Formzylinder 10 abgefördert. Das Zu- und Abfördern einer Druckform auf den Formzylinder 3 eines Druckwerkes 1, 2 für Schöndruck erfolgt in an sich bekannter Weise, d.h. dort wird eine neue Druckplatte zunächst in die Druckanfang DA Kante eingeführt, geklemmt und durch Drehen des Formzylinders 3 in die beim Drucken ausgeführte Richtung auf diesen aufgezogen. Entsprechend wird eine auf dem Formzylinder 3 befindliche Druckplatte zunächst durch Lösen des Druckendes freigegeben und durch Rückwärtsdrehen des Formzylinders 3 (im Uhrzeigersinn gemäß Figur 3) mit dem Druckende DE voran von diesem abgefördert. By rotating the forme cylinder 10 against the direction of rotation when printing (counterclockwise according to Figure 2) this is after clamping in the fastening device 15 around the outer circumference of the forme cylinder. Then that happens Introducing the end of the associated with the start of printing DA Printing form in the fastening device 16 with clamps and Tighten. Analogously, one located on the forme cylinder 10 Printing form first by releasing the clamp and Tension of the fastening device 16 at the beginning of the pressure DA released and by rotating the forme cylinder 10 in the Direction of rotation during printing conveyed away from the forme cylinder 10. The feeding and removal of a printing form on the forme cylinder 3 a printing unit 1, 2 for straight printing takes place in itself known way, i.e. there will be a new printing plate first inserted, clamped and in the beginning of printing DA edge by rotating the forme cylinder 3 into the one executed during printing Direction drawn on this. Accordingly, one pressure plate located on the forme cylinder 3 first by Release of the print end released and by turning backwards of the forme cylinder 3 (clockwise according to Figure 3) with the End of printing DE promoted from this.

[Bezugszeichenliste][REFERENCE LIST]

1 -1 -
Druckwerk (Schöndruck)Printing unit (face printing)
2 -2 -
Druckwerk (Schöndruck)Printing unit (face printing)
3 -3 -
Formzylinder (Schöndruck)Forme cylinder (face printing)
4 -4 -
Gummituchzylinder (Schöndruck)Blanket cylinder (face printing)
5 -5 -
GegendruckzylinderImpression cylinder
6 -6 -
Transfertrommeltransfer drum
7 -7 -
Gegendruckzylinder (Widerdruckwerk)Impression cylinder
8 -8th -
Transfertrommeltransfer drum
9 -9 -
Gummituchzylinder (Widerdruckwerk)Blanket cylinder (impression unit)
10 -10 -
Formzylinder (Widerdruckwerk)Forme cylinder (impression unit)
11 -11 -
Feuchtwerkdampening
12 -12 -
Farbwerkinking
15 -15 -
Befestigungsvorrichtung (Klemmschiene)Fastening device (clamping rail)
16 -16 -
Befestigungsvorrichtung (Spannschiene)Fastening device (tensioning rail)
DA -THERE -
Druckanfangprint start
DE -DE -
Druckendeprint end

Claims (6)

  1. Offset sheet printing press with a printing unit for recto printing and a further printing unit with forme cylinders arranged in the printing units, wherein the forme cylinder in the recto printing unit rotates in the opposite sense relative to the forme cylinder of the further printing unit and the forme cylinders in each case have fixing devices coordinated to the print start and the print end for holding the ends of a printing forme, characterised in that the forme cylinders (3, 10) in the recto printing unit as well as in the further printing unit have the same cylinder body and fixing devices (15, 16) and that the fixing device (15) coordinated in the recto printing unit to the print start (DA) is coordinated in the further printing unit to the print end (DE) and the other way round the fixing device (16) coordinated in the recto printing unit to the print end (DE) is coordinated in the further printing unit to the print start (DA).
  2. Offset sheet printing press according to Claim 1, characterised in that the forme cylinder (3) in the printing unit (1, 2) for recto printing has at the print start (DA) a fixing device (15) fast with respect to the cylinder and at the print end (DE) a movable fixing device (16) for receiving and tensioning a printing forme and these fixing devices (15, 16) on the forme cylinder (10) of the further printing unit are fitted in reversed fashion to the print end (DE) or to the print start (DA).
  3. Offset sheet printing press according to Claim 1 or 2, characterised in that for feeding a new printing forme to the forme cylinder (10) of the further printing unit, the printing forme is fed first with the edge coordinated to the print end into the fixing device (15) for the print end (DE) and the pulling on of the printing forme on to the forme cylinder (10) takes place by rotation of the forme cylinder (10) counter to the direction of rotation when printing.
  4. Offset sheet printing press according to one of the preceding Claims, characterised in that for feeding away a printing forme located on the forme cylinder (10) of the further printing unit, this is first freed by the fixing device (16) for the print start and is fed away by rotation of the forme cylinder (10) in the direction of rotation carried during printing.
  5. Offset sheet printing press according to one of the preceding Claims, characterised in that the further printing unit is a verso printing unit having a forme and blanket cylinder (9, 10).
  6. Offset sheet printing press according to one of Claims 1 - 4, characterised in that the further printing unit is a varnishing unit having a forme cylinder (10) cooperating with a counter impression cylinder.
EP00113654A 1999-07-20 2000-06-28 Sheet printing machine Expired - Lifetime EP1070584B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29912599U 1999-07-20
DE29912599U DE29912599U1 (en) 1999-07-20 1999-07-20 Sheet printing machine

Publications (2)

Publication Number Publication Date
EP1070584A1 EP1070584A1 (en) 2001-01-24
EP1070584B1 true EP1070584B1 (en) 2003-07-30

Family

ID=8076355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00113654A Expired - Lifetime EP1070584B1 (en) 1999-07-20 2000-06-28 Sheet printing machine

Country Status (4)

Country Link
EP (1) EP1070584B1 (en)
JP (1) JP3444845B2 (en)
AT (1) ATE246087T1 (en)
DE (2) DE29912599U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006020717U1 (en) * 2006-12-01 2009-08-27 Koenig & Bauer Aktiengesellschaft Nine-Zylinder_Satellitendruckeinheit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4215969C2 (en) * 1992-05-18 1994-10-13 Roland Man Druckmasch Device for feeding printing plates onto the plate cylinders of printing machines, in particular sheet-fed offset printing machines
DE4343616B4 (en) * 1993-12-21 2007-05-16 Koenig & Bauer Ag Modular press system

Also Published As

Publication number Publication date
EP1070584A1 (en) 2001-01-24
ATE246087T1 (en) 2003-08-15
JP3444845B2 (en) 2003-09-08
DE29912599U1 (en) 1999-09-09
JP2001047602A (en) 2001-02-20
DE50003077D1 (en) 2003-09-04

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