EP2388141B1 - Processing machine with at least one print unit - Google Patents

Processing machine with at least one print unit Download PDF

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Publication number
EP2388141B1
EP2388141B1 EP11004186.0A EP11004186A EP2388141B1 EP 2388141 B1 EP2388141 B1 EP 2388141B1 EP 11004186 A EP11004186 A EP 11004186A EP 2388141 B1 EP2388141 B1 EP 2388141B1
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EP
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Prior art keywords
cylinder
bearing arrangement
printing
link
printing unit
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EP11004186.0A
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German (de)
French (fr)
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EP2388141A2 (en
EP2388141A3 (en
Inventor
Fritz Tritsch
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Stichting Beheer Octrooien Mps/goebel
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Stichting Beheer Octrooien Mps/goebel
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/28—Bearings mounted eccentrically of the cylinder axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/32—Bearings mounted on swinging supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34—Cylinder lifting or adjusting devices
    • B41F13/36—Cams, eccentrics, wedges, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/44—Arrangements to accommodate interchangeable cylinders of different sizes to enable machine to print on areas of different sizes

Definitions

  • the invention relates to a processing machine with at least one printing unit.
  • a printing unit is preferably designed as an offset printing unit processing a web material.
  • US 3,611,924 A discloses such a printing unit including a plate cylinder, a blanket cylinder and an impression cylinder within a web-fed web offset printing machine.
  • the plate cylinder of the printing unit is mounted stationary in its axial position and can be removed via an essentially horizontally arranged slot in the side frame from an axial position or exchanged for another plate cylinder.
  • the blanket cylinder is mounted with its axis position in a rocker end exchangeable, the rocker itself is mounted at the other end in a stationary hinge on the side frame.
  • the blanket cylinder can be brought into or out of abutting contact with the plate cylinder.
  • the bearing is designed eccentrically and the rocker itself is pivotable by means of a drivable, positive gear in the hinge.
  • the counter-pressure cylinder is stationarily mounted in the side frame and the web material wraps in a circular sector, the lateral surface of the impression cylinder.
  • Out DE 10 2007 017 097 A1 discloses a printing cylinder changing system for printing length variable printing units in a full rotary printing press. It is proposed that the pressure cylinders are mounted on pivoting levers, which in turn are mounted on bearing plates. It is described that such printing cylinder changing systems can be designed as cassette insertion systems of a printing system, which can be used on a printing press in each printing station.
  • Out DE 600 08196 T2 a device for interchangeable holding and positioning of the printing cylinder in an offset printing machine is known.
  • the invention is based on the object to improve a processing machine of the type mentioned in such a way that different print formats can be processed in at least one printing unit.
  • this makes it possible that only the printing medium, such as paint, varnish or adhesive, leading cylinder, especially the printing form cylinder and the transfer cylinder, preferably format-dependent interchangeable or interchangeable in the web unit processing a printing unit are arranged.
  • the other bearings and the means for actuating and positioning can remain in the respective printing unit when changing the printing format.
  • the bearings are exposed if necessary and / or separable, so that a radial and / or axial replacement or replacement of printing forme cylinder and / or transfer cylinder or sleeve (Sleeve) on the respective cylinder is feasible.
  • such a cylinder or a sleeve can be replaced by a cylinder or sleeve thereof or a different printing format.
  • the set-up times that are known to occur when changing the printing format can advantageously be noticeably reduced.
  • a printing unit or the processing machine has substantially a horizontal web guide of the web material.
  • the horizontal web guide can be maintained.
  • the respective horizontal web guide can be done in each case a different level. It is advantageous in the horizontal web guide that the web material does not wrap around the lateral surface of the impression cylinder in a circular sector at the respective impression cylinder and thus no additional rollers for the web guide, for example between two adjacent printing units, are required.
  • a third aspect results from the fact that several inventive, preferably substantially identical printing units can be arranged in the conveying direction of the web material.
  • the horizontal web guide between the printing units can be done in one or more planes.
  • the advantage here is that no intermediate drying of the printed, painted or coated with adhesive sheet material between the adjacent printing units is required. In multicolor printing, this mode of operation is known by the term wet-in-wet pressure.
  • a final drying may be provided after the last printing unit for the web material in the conveying direction of the web material.
  • a printing unit in a processing machine comprises at least three drivable cylinders 1, 2, 3 which are formed by a printing form cylinder 1, a transfer cylinder 2 and an impression cylinder 3.
  • each of the cylinders 1, 2, 3 is intrinsically powered by a single drive.
  • the processing machine further comprises a machine control with the inter alia, the individual drives are circuit technology and signal technology in operative connection.
  • such a processing machine comprises a plurality of printing units, which preferably identical design.
  • the first cylinder 1, hereinafter referred to as printing forme cylinder 1 has a stationary axle position 1.1 and, in this axle position 1.1, is exchangeably or exchangeably mounted in a first bearing 10 against another cylinder (plate cylinder 1 ').
  • a first bearing 10 of the printing form cylinder 1 is arranged on both sides of a respective side frame of the processing machine or a printing unit.
  • the printing form cylinder 1 is each end, for example, each with an end-mounted axle journal, received in the respective first bearing 10.
  • the printing form cylinder 1 may, for example, carry a plate-shaped or a sleeve-shaped printing forme on its lateral surface.
  • the printing forme cylinder 1 is assigned in a conventional manner, an inking unit and optionally a dampening unit in operative connection.
  • the printing form cylinder 1 is further connected to the second cylinder 2, hereinafter referred to as transfer cylinder 2, in operative connection and the transfer cylinder 2 is in turn with the third cylinder 3, hereinafter referred to as impression cylinder 3, in operative connection.
  • the transfer cylinder 2 may, for example, carry a plate-shaped or a sleeve-shaped rubber blanket on its lateral surface and thus represents, for example, a blanket cylinder.
  • a web material 13 is guided in the conveying direction in a gap or pressure gap.
  • each rocker 4 carries a second bearing 11 for receiving a replaceable or replaceable cylinder 2, especially a transfer cylinder 2.
  • this can at least one bearing 11 can be exposed and / or separable, so that a radial and / or axial replacement or a corresponding replacement of the Transfer cylinder 2 or arranged on the transfer cylinder 2 sleeve (sleeve) can be realized.
  • the respective second bearing 11 can be designed to be variable in position within each rocker 4.
  • the respective bearing 11 may be formed as Exzenterlagerung.
  • the respective rocker 4 is provided with means for actuating (Actuators) and for positioning (positioning) of the rocker 4, for example a drivable, positive gear coupled.
  • Each rocker 4 can be operated or positioned synchronously or separately.
  • one of the rockers 4 remain positioned in the intended position while the other rocker 4 is movable about the pivot point of the rotary joint 5.
  • the printing unit further comprises one, arranged on the side frame Exzenterlagerung 17 for the two-sided recording of another cylinder 3, namely a counter-pressure cylinder 3.
  • a storage 12 (third storage 12) in the Exzenterlagerung 17 may be formed centrally.
  • the respective eccentric bearing 17 is coupled to means for actuating (actuating means) and positioning (positioning means) of the counter-pressure cylinder 3.
  • the rotary joint 5 of the respective rocker 4 can be arranged in a position 14 on each side frame of the printing unit. In this position 14, each rocker 4 receives the transfer cylinder 2 on both sides in the second storage 11.
  • the storage 11 of each rocker 4 for replacement or replacement of the transfer cylinder 2 against a further transfer cylinder 2 ' preferably be exposed or separable.
  • the hinges 5 of the rockers 4 are always arranged in alignment, so that transmission technology is a rotary joint 5.
  • Fig. 1 shows an example of a design of a printing unit with a printing form cylinder 1, a transfer cylinder 2 and a counter-pressure cylinder 3, which are prepared here for the processing of the smallest print format.
  • the arranged in the fixed axis position 1.1 printing form cylinder 1 shows this with a smallest printing form cylinder diameter 1.3, which is thus designed for the smallest print size (smallest print length).
  • the operatively connected, adjacent transfer cylinder 2 has a smallest transfer cylinder diameter 2.4, which is thus designed for the smallest print format (smallest print length).
  • the counter-pressure cylinder 3 which is operatively connected to the adjacent transfer cylinder 2 is arranged within the printing unit, below the transfer cylinder 2 in a first axis position 3.1.
  • Relative to a counter-pressure cylinder 3 with a defined diameter of the printing form cylinder 1 and the transfer cylinder 2 are formed in this illustration by way of example for the processing of the smallest print size with the same diameters.
  • the web material is fed in the highest web run 8 of the printing unit, i. guided in the conveying direction of the web material on a level I.
  • This level I represents the maximum web travel height in the printing unit and is arranged substantially horizontally.
  • the respective rocker 4 is arranged in the printing unit in the upper position and takes on the transfer cylinder 2 in a first axis position 2.1 in a second storage 11.
  • the counter-pressure cylinder 3 is also arranged within the printing unit, especially the respective eccentric 17, directed to the plane I and is arranged in the first axis position 3.1 in each case a third bearing 12.
  • the printing form cylinder 1 can also have a largest printing form cylinder diameter (not shown here).
  • the transfer cylinder 2 have a largest transfer cylinder diameter (not shown here).
  • further cylinder diameters can be used for printing forme cylinders 1 and transfer cylinders 2.
  • the axial position 1.1 of the plate cylinder 1 is always unchangeable
  • the axis position 2.1 of the transfer cylinder 2 is by means of the rocker 4 and the axial position 3.1 of the impression cylinder 3 by means of the Exzenterlagerung 17 and 12 storage changeable.
  • each rocker 4 is provided with means for synchronous or separate actuation, i. Pivoting and positioning about the pivot point of the rotary joint 5 on a circular path 6 movable.
  • these means can be positively coupled with the respective rocker 4, drivable mechanisms.
  • the impression cylinder 3 can also be movable and positionable between the first axis position 3.1 and further axis positions in the context of the eccentricity (eccentric bearing 17).
  • the level I given here by way of example essentially represents the horizontal web travel height.
  • the web travel height can be realized on further levels for the respective web material.
  • the respective third bearing 12 for receiving a third cylinder 3, here as a counter-pressure cylinder 3, is arranged in the respective eccentric bearing 17 and the eccentric bearing 17 is in each case coupled to means for actuating and positioning.

Description

Die Erfindung betrifft eine Verarbeitungsmaschine mit wenigstens einer Druckeinheit. Eine derartige Druckeinheit ist vorzugsweise als eine ein Bahnmaterial verarbeitende Offsetdruckeinheit ausgebildet.The invention relates to a processing machine with at least one printing unit. Such a printing unit is preferably designed as an offset printing unit processing a web material.

Bei ein Bahnmaterial verarbeitenden Verarbeitungsmaschinen ist es zum Einstellen eines jeweiligen Druckformats bekannt, einzelne Zylinder einer Druckeinheit oder die komplette Druckeinheit auszutauschen bzw. zu positionieren.In a web processing processing machines, it is known for adjusting a respective print format to exchange individual cylinders of a printing unit or the entire printing unit or position.

US 3,611,924 A offenbart eine derartige Druckeinheit mit einem Plattenzylinder, einem Gummituchzylinder und einem Gegendruckzylinder innerhalb einer ein Bahnmaterial verarbeitenden Rollenoffsetdruckmaschine. Der Plattenzylinder der Druckeinheit ist in seiner Achsposition ortsfest gelagert und kann über einen im Wesentlichen horizontal angeordneten Schlitz im Seitengestell aus einer Achsposition entfernt bzw. gegen einen weiteren Plattenzylinder ausgetauscht werden. Der Gummituchzylinder ist mit seiner Achsposition in einer Schwinge endseitig austauschbar gelagert, wobei die Schwinge selbst am anderen Ende in einem ortsfesten Drehgelenk am Seitengestell gelagert ist. Der Gummituchzylinder kann zum Plattenzylinder in oder au0er Anlagekontakt gebracht werden. Hierzu ist die Lagerung exzentrisch ausgeführt und die Schwinge selbst ist mittels eines antreibbaren, formschlüssigen Getriebes im Drehgelenk schwenkbar. Der Gegendruckzylinder ist ortsfest im Seitengestell gelagert und das Bahnmaterial umschlingt in einem Kreissektor die Mantelfläche des Gegendruckzylinders. Mittels der Austauschbarkeit von
Plattenzylinder sowie Gummituchzylinder ist der Einsatz von Zylindern mit unterschiedlichen Durchmessern möglich, um unterschiedliche Druckformate bzw. Formatlängen verarbeiten zu können. US 3,611,924 A discloses such a printing unit including a plate cylinder, a blanket cylinder and an impression cylinder within a web-fed web offset printing machine. The plate cylinder of the printing unit is mounted stationary in its axial position and can be removed via an essentially horizontally arranged slot in the side frame from an axial position or exchanged for another plate cylinder. The blanket cylinder is mounted with its axis position in a rocker end exchangeable, the rocker itself is mounted at the other end in a stationary hinge on the side frame. The blanket cylinder can be brought into or out of abutting contact with the plate cylinder. For this purpose, the bearing is designed eccentrically and the rocker itself is pivotable by means of a drivable, positive gear in the hinge. The counter-pressure cylinder is stationarily mounted in the side frame and the web material wraps in a circular sector, the lateral surface of the impression cylinder. By means of the interchangeability of
Plate cylinder and blanket cylinder is the use of cylinders with different diameters possible to process different print formats or format lengths can.

Aus DE 10 2007 017 097 A1 ist ein Druckzylinder-Wechselsystem für drucklängenveränderbare Druckwerke in einer Vollrotations-Druckmaschine bekannt. Es wird vorgeschlagen, dass die Druckzylinder an Schwenkhebeln gelagert sind, die ihrerseits an Lagerplatten gelagert sind. Es wird beschrieben, dass derartige Druckzylinder-Wechselsysteme als Kassetten-Einschub-Systeme eines Drucksystems ausgebildet sein können, die sich an einer Druckmaschine in jede Druckwerkstation einsetzen lassen. Aus DE 600 08196 T2 ist eine Vorrichtung zum auswechselbaren Halten und Positionieren des Druckzylinders in einer Offsetdruckmaschine bekannt.Out DE 10 2007 017 097 A1 discloses a printing cylinder changing system for printing length variable printing units in a full rotary printing press. It is proposed that the pressure cylinders are mounted on pivoting levers, which in turn are mounted on bearing plates. It is described that such printing cylinder changing systems can be designed as cassette insertion systems of a printing system, which can be used on a printing press in each printing station. Out DE 600 08196 T2 a device for interchangeable holding and positioning of the printing cylinder in an offset printing machine is known.

Der Erfindung liegt die Aufgabe zu Grunde, eine Verarbeitungsmaschine der eingangs genannten Art derart zu verbessern, dass in wenigstens einer Druckeinheit unterschiedliche Druckformate verarbeitet werden können.The invention is based on the object to improve a processing machine of the type mentioned in such a way that different print formats can be processed in at least one printing unit.

Die Aufgabe wird durch den Gegenstand von Anspruch 1 gelöst. Weiterbildungen ergeben sich aus den abhängigen Ansprüchen.The object is solved by the subject matter of claim 1. Further developments emerge from the dependent claims.

Gemäß einem ersten Aspekt der Erfindung ermöglicht dies, dass lediglich die ein Beschichtungsmedium, beispielsweise Farbe, Lack oder Klebstoff, führenden Zylinder, speziell der Druckformzylinder sowie der Übertragungszylinder, bevorzugt formatabhängig auswechselbar oder austauschbar in der ein Bahnmaterial verarbeitenden Druckeinheit angeordnet sind. Die weiteren Lagerungen sowie die Mittel zum Betätigen und Positionieren können in der jeweiligen Druckeinheit bei einem Wechsel des Druckformats verbleiben. Die Lagerungen sind bei Bedarf freilegbar und/ oder trennbar ausgebildet, so dass ein radiales und/ oder axiales Austauschen oder Auswechseln von Druckformzylinder und/oder Übertragungszylinder oder einer Hülse
(Sleeve) auf dem jeweiligen Zylinder realisierbar ist. Dabei kann ein derartiger Zylinder bzw. eine Hülse durch einen Zylinder bzw. Hülse desselben oder eines abweichenden Druckformats ersetzt werden. Die bei einem Wechsel des Druckformats bekanntlich anfallenden Rüstzeiten können in vorteilhafter Weise spürbar reduziert werden.According to a first aspect of the invention, this makes it possible that only the printing medium, such as paint, varnish or adhesive, leading cylinder, especially the printing form cylinder and the transfer cylinder, preferably format-dependent interchangeable or interchangeable in the web unit processing a printing unit are arranged. The other bearings and the means for actuating and positioning can remain in the respective printing unit when changing the printing format. The bearings are exposed if necessary and / or separable, so that a radial and / or axial replacement or replacement of printing forme cylinder and / or transfer cylinder or sleeve
(Sleeve) on the respective cylinder is feasible. In this case, such a cylinder or a sleeve can be replaced by a cylinder or sleeve thereof or a different printing format. The set-up times that are known to occur when changing the printing format can advantageously be noticeably reduced.

Gemäß einem zweiten Aspekt besteht die Möglichkeit, dass eine Druckeinheit bzw. die Verarbeitungsmaschine im Wesentlichen eine horizontale Bahnführung des Bahnmaterials aufweist. Bei einem Wechsel des Druckformats in einer Druckeinheit kann die horizontale Bahnführung beibehalten werden. Je nach in einer Druckeinheit eingesetztem Durchmesser des Druckformzylinders und/oder des Übertragungszylinders oder einer sonstigen Anpassung der Achsabstände der relevanten Zylinder kann die jeweilige horizontale Bahnführung in jeweils einer unterschiedlichen Ebene erfolgen. Von Vorteil ist bei der horizontalen Bahnführung, dass am jeweiligen Gegendruckzylinder das Bahnmaterial nicht in einem Kreissektor die Mantelfläche des Gegendruckzylinders umschlingt und somit keine zusätzlichen Walzen für die Bahnführung, beispielsweise zwischen zwei benachbarten Druckeinheiten, erforderlich sind.According to a second aspect, there is the possibility that a printing unit or the processing machine has substantially a horizontal web guide of the web material. When changing the printing format in a printing unit, the horizontal web guide can be maintained. Depending on the diameter of the printing plate cylinder and / or the transfer cylinder used in a printing unit or any other adaptation of the Center distances of the relevant cylinder, the respective horizontal web guide can be done in each case a different level. It is advantageous in the horizontal web guide that the web material does not wrap around the lateral surface of the impression cylinder in a circular sector at the respective impression cylinder and thus no additional rollers for the web guide, for example between two adjacent printing units, are required.

Ein dritter Aspekt ergibt sich daraus, dass mehrere erfindungsgemäße, vorzugsweise im Wesentlichen baugleiche Druckeinheiten in Förderrichtung des Bahnmaterials angeordnet sein können. Bei der Anordnung von mehreren derartigen Druckeinheiten in der Verarbeitungsmaschine kann die horizontale Bahnführung zwischen den Druckeinheiten in einer Ebene oder mehreren Ebenen erfolgen. Von Vorteil ist dabei, dass keine Zwischentrocknung des bedruckten, lackierten oder mit Klebstoff beschichteten Bahnmaterials zwischen den benachbarten Druckeinheiten erforderlich ist. Im Mehrfarbendruck ist diese Betriebsweise unter dem Begriff "Naß-in-Naß-Druck" bekannt. Bevorzugt kann eine Endtrocknung nach der in Förderrichtung des Bahnmaterials letzten Druckeinheit für das Bahnmaterial vorgesehen sein.A third aspect results from the fact that several inventive, preferably substantially identical printing units can be arranged in the conveying direction of the web material. In the arrangement of several such printing units in the processing machine, the horizontal web guide between the printing units can be done in one or more planes. The advantage here is that no intermediate drying of the printed, painted or coated with adhesive sheet material between the adjacent printing units is required. In multicolor printing, this mode of operation is known by the term wet-in-wet pressure. Preferably, a final drying may be provided after the last printing unit for the web material in the conveying direction of the web material.

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

Fig. 1
eine Druckeinheit in erster Ausbildung.
The invention will be explained in more detail using an exemplary embodiment. Here are shown schematically:
Fig. 1
a printing unit in the first training.

Eine Druckeinheit in einer Verarbeitungsmaschine umfasst zumindest drei antreibbare Zylinder 1, 2, 3 welche durch einen Druckformzylinder 1, einen Übertragungszylinder 2 und einen Gegendruckzylinder 3 gebildet sind. Bevorzugt ist jeder der Zylinder 1, 2, 3 eigenmotorisch mit einem Einzelantrieb verbunden. Die Verarbeitungsmaschine umfasst weiterhin eine Maschinensteuerung mit der u. a. die Einzelantriebe schaltungstechnisch sowie signaltechnisch in Wirkverbindung sind. Bevorzugt umfasst eine derartige Verarbeitungsmaschine mehrere Druckeinheiten, welche vorzugsweise baugleich ausgebildet sind.A printing unit in a processing machine comprises at least three drivable cylinders 1, 2, 3 which are formed by a printing form cylinder 1, a transfer cylinder 2 and an impression cylinder 3. Preferably, each of the cylinders 1, 2, 3 is intrinsically powered by a single drive. The processing machine further comprises a machine control with the inter alia, the individual drives are circuit technology and signal technology in operative connection. Preferably, such a processing machine comprises a plurality of printing units, which preferably identical design.

Der erste Zylinder 1, nachstehend als Druckformzylinder 1 bezeichnet, weist eine ortsfeste Achsposition 1.1 auf und ist in dieser Achsposition 1.1 in einer ersten Lagerung 10 auswechselbar oder austauschbar gegen einen weiteren Zylinder (Druckformzylinder 1') gelagert. Eine derartige erste Lagerung 10 des Druckformzylinders 1 ist jeweils beidseitig an je einem Seitengestell der Verarbeitungsmaschine bzw. einer Druckeinheit angeordnet. Bevorzugt ist der Druckformzylinder 1 jeweils endseitig, beispielsweise mit je einem endseitig angeordneten Achszapfen, in der jeweiligen ersten Lagerung 10 aufgenommen. Der Druckformzylinder 1 kann beispielsweise eine plattenförmige oder eine hülsenförmige Druckform auf seiner Mantelfläche tragen.The first cylinder 1, hereinafter referred to as printing forme cylinder 1, has a stationary axle position 1.1 and, in this axle position 1.1, is exchangeably or exchangeably mounted in a first bearing 10 against another cylinder (plate cylinder 1 '). Such a first bearing 10 of the printing form cylinder 1 is arranged on both sides of a respective side frame of the processing machine or a printing unit. Preferably, the printing form cylinder 1 is each end, for example, each with an end-mounted axle journal, received in the respective first bearing 10. The printing form cylinder 1 may, for example, carry a plate-shaped or a sleeve-shaped printing forme on its lateral surface.

Dem Druckformzylinder 1 ist in an sich bekannter Weise ein Farbwerk und gegebenenfalls ein Feuchtwerk in Wirkverbindung zugeordnet.The printing forme cylinder 1 is assigned in a conventional manner, an inking unit and optionally a dampening unit in operative connection.

Der Druckformzylinder 1 ist weiterhin mit dem zweiten Zylinder 2, nachstehend als Übertragungszylinder 2 bezeichnet, in Wirkverbindung und der Übertragungszylinder 2 ist wiederum mit dem dritten Zylinder 3, nachstehend als Gegendruckzylinder 3 bezeichnet, in Wirkverbindung.The printing form cylinder 1 is further connected to the second cylinder 2, hereinafter referred to as transfer cylinder 2, in operative connection and the transfer cylinder 2 is in turn with the third cylinder 3, hereinafter referred to as impression cylinder 3, in operative connection.

Der Übertragungszylinder 2 kann beispielsweise ein plattenförmiges oder ein hülsenförmig angeordnetes Gummituch auf seiner Mantelfläche tragen und stellt somit beispielsweise einen Gummituchzylinder dar.The transfer cylinder 2 may, for example, carry a plate-shaped or a sleeve-shaped rubber blanket on its lateral surface and thus represents, for example, a blanket cylinder.

Zwischen dem Übertragungszylinder 2 und dem benachbart angeordneten Gegendruckzylinder 3 ist in einem Spalt bzw. Druckspalt ein Bahnmaterial 13 in Förderrichtung geführt.Between the transfer cylinder 2 and the adjacently arranged impression cylinder 3, a web material 13 is guided in the conveying direction in a gap or pressure gap.

Die Druckeinheit gemäß Fig. 1 umfasst je eine endseitig in einem Drehgelenk 5 an je einem Seitengestell der Druckeinheit gelagerte Schwinge 4. Am anderen Ende der Schwinge 4 trägt jede Schwinge 4 eine zweite Lagerung 11 für die Aufnahme eines auswechselbaren oder austauschbaren Zylinders 2, speziell eines Übertragungszylinders 2. Beispielsweise kann hierzu wenigstens eine Lagerung 11 freilegbar und/oder trennbar ausgebildet sein, so dass ein radiales und/oder axiales Austauschen oder ein entsprechendes Auswechseln des Übertragungszylinders 2 oder einer auf dem Übertragungszylinder 2 angeordneten Hülse (Sleeve) realisierbar ist. Die jeweilige zweite Lagerung 11 kann innerhalb jeder Schwinge 4 lageveränderbar ausgebildet sein. Beispielsweise kann die jeweilige Lagerung 11 als Exzenterlagerung ausgebildet sein.The printing unit according to Fig. 1 At the other end of the rocker 4 each rocker 4 carries a second bearing 11 for receiving a replaceable or replaceable cylinder 2, especially a transfer cylinder 2. For example, this can at least one bearing 11 can be exposed and / or separable, so that a radial and / or axial replacement or a corresponding replacement of the Transfer cylinder 2 or arranged on the transfer cylinder 2 sleeve (sleeve) can be realized. The respective second bearing 11 can be designed to be variable in position within each rocker 4. For example, the respective bearing 11 may be formed as Exzenterlagerung.

Die jeweilige Schwinge 4 ist mit Mitteln zum Betätigen
(Betätigungseinrichtungen) und zum Positionieren (Positioniereinrichtungen) der Schwinge 4, beispielsweise einem antreibbaren, formschlüssigen Getriebe, gekoppelt. Jede Schwinge 4 kann synchron oder separat betätigt oder positioniert werden.The respective rocker 4 is provided with means for actuating
(Actuators) and for positioning (positioning) of the rocker 4, for example a drivable, positive gear coupled. Each rocker 4 can be operated or positioned synchronously or separately.

Beispielsweise kann zum Austauschen bzw. Auswechseln eines Übertragungszylinders 2 bzw. einer Hülse eine der Schwingen 4 in der vorgesehenen Position positioniert verbleiben während die andere Schwinge 4 um den Drehpunkt des Drehgelenkes 5 bewegbar ist.For example, to replace or exchange a transfer cylinder 2 or a sleeve one of the rockers 4 remain positioned in the intended position while the other rocker 4 is movable about the pivot point of the rotary joint 5.

Die Druckeinheit umfasst ferner je eine, am Seitengestell angeordnete Exzenterlagerung 17 für die beidseitige Aufnahme eines weiteren Zylinders 3, nämlich eines Gegendruckzylinders 3. Eine Lagerung 12 (dritte Lagerung 12) in der Exzenterlagerung 17 kann zentrisch ausgebildet sein. Die jeweilige Exzenterlagerung 17 ist mit Mitteln zum Betätigen (Betätigungseinrichtungen) und Positionieren (Positioniereinrichtungen) des Gegendruckzylinders 3 gekoppelt.The printing unit further comprises one, arranged on the side frame Exzenterlagerung 17 for the two-sided recording of another cylinder 3, namely a counter-pressure cylinder 3. A storage 12 (third storage 12) in the Exzenterlagerung 17 may be formed centrally. The respective eccentric bearing 17 is coupled to means for actuating (actuating means) and positioning (positioning means) of the counter-pressure cylinder 3.

In einer Ausbildung einer Druckeinheit kann das Drehgelenk 5 der jeweiligen Schwinge 4 in einer Position 14 an jeweils einem Seitengestell der Druckeinheit angeordnet sein. In dieser Position 14 nimmt jede Schwinge 4 den Übertragungszylinder 2 beidseitig in der zweiten Lagerung 11 auf. Dabei kann die Lagerung 11 jeder Schwinge 4 zum Auswechseln oder Austausch des Übertragungszylinders 2 gegen einen weiteren Übertragungszylinder 2' bevorzugt freilegbar oder trennbar sein.In one embodiment of a printing unit, the rotary joint 5 of the respective rocker 4 can be arranged in a position 14 on each side frame of the printing unit. In this position 14, each rocker 4 receives the transfer cylinder 2 on both sides in the second storage 11. The storage 11 of each rocker 4 for replacement or replacement of the transfer cylinder 2 against a further transfer cylinder 2 'preferably be exposed or separable.

Die Drehgelenke 5 der Schwingen 4 sind stets fluchtend angeordnet, so dass getriebetechnisch ein Drehgelenk 5 vorliegt.The hinges 5 of the rockers 4 are always arranged in alignment, so that transmission technology is a rotary joint 5.

Fig. 1 zeigt beispielhaft eine Ausbildung einer Druckeinheit mit einem Druckformzylinder 1, einem Übertragungszylinder 2 und einem Gegendruckzylinder 3, welche hier für die Verarbeitung des kleinsten Druckformats vorbereitet sind. Fig. 1 shows an example of a design of a printing unit with a printing form cylinder 1, a transfer cylinder 2 and a counter-pressure cylinder 3, which are prepared here for the processing of the smallest print format.

Der in der festen Achsposition 1.1 angeordnete Druckformzylinder 1 zeigt diesen mit einem kleinsten Druckformzylinderdurchmesser 1.3, welcher somit für das kleinste Druckformat (kleinste Drucklänge) ausgelegt ist.The arranged in the fixed axis position 1.1 printing form cylinder 1 shows this with a smallest printing form cylinder diameter 1.3, which is thus designed for the smallest print size (smallest print length).

Der in Wirkverbindung stehende, benachbarte Übertragungszylinder 2 weist einen kleinsten Übertragungszylinderdurchmesser 2.4 auf, welcher somit für das kleinste Druckformat (kleinste Drucklänge) ausgelegt ist.The operatively connected, adjacent transfer cylinder 2 has a smallest transfer cylinder diameter 2.4, which is thus designed for the smallest print format (smallest print length).

Der mit dem benachbarten Übertragungszylinder 2 in Wirkverbindung stehende Gegendruckzylinder 3 ist innerhalb der Druckeinheit, unterhalb des Übertragungszylinders 2 in einer ersten Achsposition 3.1 angeordnet.The counter-pressure cylinder 3 which is operatively connected to the adjacent transfer cylinder 2 is arranged within the printing unit, below the transfer cylinder 2 in a first axis position 3.1.

Bezogen auf einen Gegendruckzylinder 3 mit einem definierten Durchmesser sind der Druckformzylinder 1 sowie der Übertragungszylinder 2 in dieser Darstellung beispielhaft für die Verarbeitung des kleinsten Druckformats mit gleichen Durchmessern ausgebildet. Bei der Verarbeitung des minimalen Druckformats wird das Bahnmaterial im höchsten Bahnlauf 8 der Druckeinheit geführt, d.h. in Förderrichtung des Bahnmaterials auf einer Ebene I geführt. Diese Ebene I stellt die maximale Bahnlaufhöhe in der Druckeinheit dar und ist im Wesentlichen horizontal angeordnet.Relative to a counter-pressure cylinder 3 with a defined diameter of the printing form cylinder 1 and the transfer cylinder 2 are formed in this illustration by way of example for the processing of the smallest print size with the same diameters. When processing the minimum print format, the web material is fed in the highest web run 8 of the printing unit, i. guided in the conveying direction of the web material on a level I. This level I represents the maximum web travel height in the printing unit and is arranged substantially horizontally.

Die jeweilige Schwinge 4 ist dabei in der Druckeinheit in der oberen Position angeordnet und nimmt dabei den Übertragungszylinder 2 in einer ersten Achsposition 2.1 in je einer zweiten Lagerung 11 auf. Der Gegendruckzylinder 3 ist ebenso innerhalb der Druckeinheit, speziell der jeweiligen Exzenterlagerung 17, zur Ebene I gerichtet angeordnet und ist in der ersten Achsposition 3.1 in je einer dritten Lagerung 12 angeordnet.The respective rocker 4 is arranged in the printing unit in the upper position and takes on the transfer cylinder 2 in a first axis position 2.1 in a second storage 11. The counter-pressure cylinder 3 is also arranged within the printing unit, especially the respective eccentric 17, directed to the plane I and is arranged in the first axis position 3.1 in each case a third bearing 12.

Je nach zu verarbeitenden Druckformat kann der Druckformzylinder 1 auch einen größten Druckformzylinderdurchmesser aufweisen (hier nicht gezeigt). Ebenso kann je nach zu verarbeitenden Druckformat der Übertragungszylinder 2 einen größten Übertragungszylinderdurchmesser aufweisen (hier nicht gezeigt). Zwischen den unterschiedlichen Druckformzylinderdurchmessern sowie den unterschiedlichen Übertragungszylinderdurchmessern können weitere Zylinderdurchmesser bei Druckformzylindern 1 und Übertragungszylindern 2 eingesetzt werden. Dabei ist die Achsposition 1.1 des Druckformzylinders 1 stets unveränderbar, die Achsposition 2.1 des Übertragungszylinder 2 ist mittels der Schwinge 4 und die Achsposition 3.1 des Gegendruckzylinders 3 ist mittels der Exzenterlagerung 17 bzw. Lagerung 12 veränderbar.Depending on the printing format to be processed, the printing form cylinder 1 can also have a largest printing form cylinder diameter (not shown here). Likewise, depending on the print format to be processed, the transfer cylinder 2 have a largest transfer cylinder diameter (not shown here). Between the different printing forme cylinder diameters and the different transfer cylinder diameters, further cylinder diameters can be used for printing forme cylinders 1 and transfer cylinders 2. In this case, the axial position 1.1 of the plate cylinder 1 is always unchangeable, the axis position 2.1 of the transfer cylinder 2 is by means of the rocker 4 and the axial position 3.1 of the impression cylinder 3 by means of the Exzenterlagerung 17 and 12 storage changeable.

Zur Realisierung der jeweiligen Achsposition 2.1 bzw. weiterer Achspositionen ist jede Schwinge 4 mit Mitteln zum synchronen oder separaten Betätigen, d.h. Schwenken und Positionieren um den Drehpunkt des Drehgelenkes 5 auf einer Kreisbahn 6 bewegbar. Beispielsweise können diese Mittel mit der jeweiligen Schwinge 4 formschlüssig gekoppelte, antreibbare Mechanismen sein. Dabei kann der Gegendruckzylinder 3 ebenso zwischen der ersten Achsposition 3.1 und weiteren Achspositionen im Rahmen der Exzentrizität (Exzenterlagerung 17) bewegbar und positionierbar sein.To realize the respective axle position 2.1 or other axle positions, each rocker 4 is provided with means for synchronous or separate actuation, i. Pivoting and positioning about the pivot point of the rotary joint 5 on a circular path 6 movable. For example, these means can be positively coupled with the respective rocker 4, drivable mechanisms. In this case, the impression cylinder 3 can also be movable and positionable between the first axis position 3.1 and further axis positions in the context of the eccentricity (eccentric bearing 17).

Die hier beispielhaft angeführte Ebene I stellt im Wesentlichen die horizontale Bahnlaufhöhe dar. Je nach Betriebsweise der entsprechenden Druckeinheit kann die Bahnlaufhöhe auf weiteren Ebenen für das jeweilige Bahnmaterial realisierbar sein.The level I given here by way of example essentially represents the horizontal web travel height. Depending on the mode of operation of the corresponding printing unit, the web travel height can be realized on further levels for the respective web material.

Die jeweilige dritte Lagerung 12 für die Aufnahme eines dritten Zylinders 3, hier als Gegendruckzylinder 3, ist in der jeweiligen Exzenterlagerung 17 angeordnet und die Exzenterlagerung 17 ist jeweils mit Mitteln zum Betätigen und Positionieren gekoppelt.The respective third bearing 12 for receiving a third cylinder 3, here as a counter-pressure cylinder 3, is arranged in the respective eccentric bearing 17 and the eccentric bearing 17 is in each case coupled to means for actuating and positioning.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
- Druckformzylinder- Printing forme cylinder
1.11.1
- Achsposition Druckformzylinder- Axial position of the forme cylinder
1.21.2
--
1.31.3
- kleinster Druckformzylinderdurchmesser- smallest printing cylinder diameter
22
- Übertragungszylinder- Transfer cylinder
2.12.1
- erste Achsposition Übertragungszylinder (kleinster Zylinderdurchmesser)- first axis position transfer cylinder (smallest cylinder diameter)
2.22.2
--
2.32.3
--
2.42.4
- kleinster Übertragungszylinderdurchmesser- smallest transfer cylinder diameter
33
- Gegendruckzylinder- impression cylinder
3.13.1
- erste Achsposition Gegendruckzylinder (kleinstes Druckformat)- first axis position impression cylinder (smallest print format)
3.23.2
--
44
- Schwinge- swingarm
55
- Drehgelenk- swivel
66
- Kreisbahn- circular path
77
--
88th
- höchster Bahnlauf (kleinstes Druckformat)- highest web run (smallest print format)
99
--
1010
- erste Lagerung- first storage
1111
- zweite Lagerung- second storage
1212
- dritte Lagerung- third storage
1313
- Bahnmaterial- Railway material
1414
- Position- position
1515
--
1616
--
1717
- Exzenterlagerung- eccentric storage
II
- Ebene- Level

Claims (4)

  1. Processing machine comprising at least one printing unit, comprising at least three drivable cylinders (1, 2, 3), wherein a first cylinder (1) has a stationary axis position (1.1) and is mounted in this axis position (1.1) in an associated first bearing arrangement (10), which is arranged on an associated side frame of the printing unit, so as to be replaceable or exchangeable, wherein one end of an associated link (4) is arranged in a pivot joint (5) and in each case a second bearing arrangement (11) for receiving a second cylinder of the printing unit is arranged at the other end of each link (4), and each link (4) is coupled to means for actuating and positioning the link (4) about the centre of rotation of the pivot joint (5), wherein each link (4) mounted in the pivot joint (5) on an associated side frame of the printing unit can be actuated or positioned synchronously or separately, wherein in each case a third bearing arrangement (12) for receiving a third cylinder (3) is arranged so as to be movable eccentrically on the frame in an eccentric bearing arrangement (17) in each case, and wherein each third bearing arrangement (12) is coupled to respective actuating and positioning means, wherein the third cylinder (3) is in the form of an impression cylinder (3).
  2. Processing machine according to claim 1, characterised in that the pivot joint (5) of each link (4) is arranged in a position (14) and each eccentric bearing arrangement (17) is arranged in a first stationary position, and a transfer cylinder (2) acting as the second cylinder (2) is received in each bearing arrangement (11) of the link (4) and an impression cylinder (3) acting as the third cylinder (3) is received in each bearing arrangement (12) of the eccentric bearing arrangement (17).
  3. Processing machine according to claims 1 and 2, characterised in that each bearing arrangement (11) of each link (4) can be exposed in order to replace or exchange the transfer cylinder (2).
  4. Processing machine according to claim 1, characterised in that each cylinder (1, 2, 3) is connected to an individual drive in an independently motor-driven manner and the individual drives are operatively connected to a machine control means for switching and signalling.
EP11004186.0A 2010-05-21 2011-05-20 Processing machine with at least one print unit Active EP2388141B1 (en)

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DE102010021249 2010-05-21
DE201110100758 DE102011100758A1 (en) 2010-05-21 2011-05-06 Processing machine with at least one printing unit

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EP2388141A3 EP2388141A3 (en) 2013-04-03
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Publication number Priority date Publication date Assignee Title
DE202023105035U1 (en) 2023-09-01 2023-09-14 Manroland Goss Web Systems Gmbh Device for storing a printing cylinder

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DE19955084A1 (en) 1999-11-15 2001-05-23 Giebeler Druckmaschinen Gmbh Rotary offset printing press has plate cylinder and rubber blanket cylinder cores which can be fitted with sleeves of different wall thicknesses to set the printed length format
US6694877B1 (en) 1999-11-19 2004-02-24 Drent Holding B.V. Device for exchangeably supporting and positioning printing cylinders of an offset printing press
US20050160928A1 (en) 2004-01-28 2005-07-28 Marcel Motard Offset printing press unit with removable cylinders
DE102007017097A1 (en) 2006-09-15 2008-03-27 Sdf Schnitt-Druck-Falz Spezialmaschinen Gmbh Print cylinder changer system for variable print length printing mechanisms in a full rotation printing machine has printing cylinder with rotary driven core and print cylinder sleeve that is replaceable to adapt to print length

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US6694877B1 (en) 1999-11-19 2004-02-24 Drent Holding B.V. Device for exchangeably supporting and positioning printing cylinders of an offset printing press
DE60008196T2 (en) 1999-11-19 2004-12-16 Drent Holding B.V. Device for exchangeable holding and positioning of printing cylinders in an offset printing machine
US20050160928A1 (en) 2004-01-28 2005-07-28 Marcel Motard Offset printing press unit with removable cylinders
DE102007017097A1 (en) 2006-09-15 2008-03-27 Sdf Schnitt-Druck-Falz Spezialmaschinen Gmbh Print cylinder changer system for variable print length printing mechanisms in a full rotation printing machine has printing cylinder with rotary driven core and print cylinder sleeve that is replaceable to adapt to print length

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"Press Release Print is back in business", 18 May 2010 (2010-05-18), XP055620927
"Stand-by-stand guide", IPEX 2010, 2010, pages 168pp, XP055620912

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DE102011100758A1 (en) 2012-09-27
EP2388141A2 (en) 2011-11-23
EP2388141A3 (en) 2013-04-03

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