EP2103429B1 - Printing unit and press with format change - Google Patents

Printing unit and press with format change Download PDF

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Publication number
EP2103429B1
EP2103429B1 EP09100106A EP09100106A EP2103429B1 EP 2103429 B1 EP2103429 B1 EP 2103429B1 EP 09100106 A EP09100106 A EP 09100106A EP 09100106 A EP09100106 A EP 09100106A EP 2103429 B1 EP2103429 B1 EP 2103429B1
Authority
EP
European Patent Office
Prior art keywords
printing
cylinder
drive
printing unit
impression 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.)
Not-in-force
Application number
EP09100106A
Other languages
German (de)
French (fr)
Other versions
EP2103429A1 (en
Inventor
Dieter Bangel
Thomas Demand
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.)
Gallus Druckmaschinen GmbH
Original Assignee
Gallus Druckmaschinen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gallus Druckmaschinen GmbH filed Critical Gallus Druckmaschinen GmbH
Publication of EP2103429A1 publication Critical patent/EP2103429A1/en
Application granted granted Critical
Publication of EP2103429B1 publication Critical patent/EP2103429B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
    • 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
    • B41F13/30—Bearings mounted on sliding 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
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/32—Bearings mounted on swinging supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/10—Relief printing
    • B41P2200/12—Flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/30—Heliography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/11—Machines with modular units, i.e. with units exchangeable as a whole

Definitions

  • the invention relates to a printing unit with a counter-pressure cylinder and a plate cylinder, which is pivotable about a parallel to the axis of rotation of the impression cylinder pivot axis about the impression cylinder, wherein the distance of the axes of rotation of the plate cylinder and the impression cylinder is variable and the plate cylinder and the impression cylinder can be adjusted to each other, so that a printing gap is formed, in which a substrate can be printed, and with a first stationary drive for generating a rotational movement of the printing forme cylinder. Furthermore, the invention relates to a printing press with such a printing unit.
  • Printing presses that are designed or used for label printing or packaging printing are becoming increasingly demanding in terms of cost-effectiveness and ease-of-use while at the same time maximizing variability for product production.
  • the printing machine should cause as little paper waste as possible, for example when converting between different print jobs, and also between different printing methods or print lengths.
  • Common narrow-web presses designed for label printing, in particular for self-adhesive label printing usually have a machine construction in which a printing material or a substrate is passed between different process levels (for example for printing and for drying) via a large number of cylinders and rollers. so that a not insignificantly long web section is stored in the printing press and potentially corresponding waste can occur.
  • a convertible between different printing process label printing machine is in the document WO 2005/028202 A1 described.
  • a printing press configuration is required for another machine structure, which on the one hand enables the desired variability with regard to printing methods and printing lengths and, on the other hand, a short web path.
  • a variable-length printing unit for offset printing is in the document EP 1 101 611 A1 described.
  • Bearing arms are pivoted about an axis by means of spindle drives in order to move the axes of rotation of the printing forme cylinder, the blanket cylinder and the impression cylinder apart from one another or to each other.
  • Printing cylinder and blanket cylinder different format can be used in the printing unit.
  • the EP 0 352 483 A2 describes a flexographic printing machine with at least one printing unit, each with a printing form cylinder and a counter-pressure cylinder.
  • the printing form cylinder and the impression cylinder are each driven by a separate drive train, each drive train has its own, controlled drive motor.
  • Object of the present invention is to provide a printing unit in a compact design, in which the printing forme cylinder of den.ihn contacting cylinders for the purpose of format variation is turned off.
  • a printing unit comprises a counter-pressure cylinder and a printing-plate cylinder, which is pivotable about the counter-pressure cylinder about a pivot axis extending parallel to the axis of rotation of the impression cylinder. It is the Distance of the axes of rotation of the printing form cylinder and the impression cylinder variable, and the printing form cylinder and the impression cylinder can be adjusted to each other, so that a printing gap is formed, in which a substrate is printable. Furthermore, the printing unit according to the invention comprises a first stationary drive for generating a rotary movement of the printing form cylinder. The first drive is connected to the printing form cylinder via a drive train, of which at least one component has a torque axis which extends through the impression cylinder.
  • a torque axis has the orientation of the torque acting on the component of the drive train and passes through the point of the component on which the torque acts.
  • a compact drive train for generating the rotational movement of the plate cylinder can be realized.
  • the printing unit according to the invention requires only a small space and is inexpensive together of few components.
  • the torque axis of the first drive and / or the pivot axis can in particular run through the impression cylinder.
  • the torque axis of the first drive and / or the pivot axis can lie in particular within the contour of the impression cylinder, in particular cut the solid of the impression cylinder.
  • the impression cylinder can at least partially lie in a circle segment bounded by a line swept by the axis of rotation of the printing forme cylinder.
  • the printing form cylinder is pivotable about the impression cylinder and not pivoted away from it.
  • the pivot axis may, viewed from the axis of rotation of the printing forme cylinder, lie within the plate cylinder or behind the plate cylinder.
  • the distance variation of the axes of rotation may be along a linear or straight path.
  • a printing forme cylinder receiving element is pivotable, wherein the distance of the receptacle of the printing forme cylinder is adjustable to the pivot axis.
  • the printing unit according to the invention can be designed for the execution of a flexographic printing process or for the execution of a letterpress printing process or for the execution of a gravure printing process.
  • the first drive is connected to the printing form cylinder via a train of toothed wheels coupled to one another by arms.
  • the gear train forms the drive train in this group.
  • the gear train may comprise a first, a second and a third gear, of which the first gear with the second gear with a first coupling arm and the second gear with the third gear are connected to a second coupling arm.
  • the torque axis of the first drive may preferably run parallel to the cylinder center axis of the impression cylinder and / or be identical to the cylinder center axis of the impression cylinder.
  • the pivot axis of the printing form cylinder can run along the cylinder center axis of the impression cylinder and / or the impression cylinder can be stationary in the printing unit.
  • a slide movable in a pivotable about the pivot axis slide which contacts a guide cam follower connected to the printing forme cylinder against a stationary or (in particular for fine adjustment) adjustable guide curve can be provided.
  • the impression cylinder is connected to a second stationary drive via another drive train.
  • the second drive is different from the first drive.
  • the other drive train is not identical to the drive train for the plate cylinder.
  • the second drive can be connected via a gear train with the impression cylinder.
  • the Torque axis of the second drive preferably run outside of the impression cylinder.
  • the first drive and / or the second drive may each be a servomotor.
  • the printing form cylinder can be detachably connected in the printing unit.
  • the printing unit according to the invention can also be variable in format: printing form cylinders with different diameters can be accommodated in the printing unit. Alternatively, intermediate sleeves with different diameters can be accommodated on the printing form cylinder.
  • a printing press in particular a label printing machine.
  • a printing press according to the invention is characterized by at least one printing unit according to the invention having features or combinations of features according to this representation.
  • the printing machine in a row construction and / or modular with respect to individual modules, in particular the printing units or groups of printing groups, including their supporting structures executed.
  • the printing machine according to the invention can have a plurality of printing units, in particular four printing units for a multi-color printing.
  • the printing press may have a plurality of printing units according to the invention.
  • the substrate may be web-shaped.
  • the substrate may be a multilayer material web, in particular a self-adhesive label material on a carrier web.
  • the printing machine may be a web-processing printing press. It may comprise transport means for moving the web-shaped substrate through the printing press.
  • the printing press can be a so-called narrow web press.
  • the width of the web to be printed can be less than 900 mm, in particular less than 515 mm. Typical widths for embodiments of narrow web printing machines according to the invention are in particular 330 mm and 280 mm.
  • a printing press according to the invention can also have the further features singly or in combination: a printing unit according to the invention can be mounted on a printer Frame wall with the two integrated in the frame wall fixed drives (first drive and second drive) to be added.
  • the printing press may have receiving elements on which alternately modules for different printing processes or for processing / processing of the substrate are releasably connectable receivable.
  • Printing processes may be in particular: flexographic printing, gravure printing, letterpress printing, letterpress printing, offset printing, direct or indirect planographic printing, film embossing printing, screen printing, inkjet printing or xerographic printing.
  • machining can be punching, cutting, punching, perforating, creasing, folding or painting.
  • the printing press can have a (normalized or neutral) interface, so that printing unit or processing unit components can be received in a connectable manner to the printing press.
  • components which can be used by all these plants or all components which complement each other for functionality can be directly part of the printing press.
  • the printing machine may have a plurality of printing units, which work according to different printing methods. The order of the individually arranged printing units and / or processing units can be selected or adapted according to the print order.
  • the printing unit according to the invention is received in an at least partially made of stone support member by means of a bearing element.
  • the printing unit according to the invention can be accommodated in a support element produced at least partially from stone, in particular natural stone or a natural stone, by means of a bearing element.
  • a printing machine with a support element made at least partially of stone is in the filed German patent application DE 10 2006 042 884.6 as well as the priority of these German patent applications claiming filed US patent application.
  • Stone is understood to mean a solid mineral mass or a single object consisting of such a material.
  • Stone can be natural stone or artificial stone.
  • Natural stone is a solid, during the course of Earth's history, a mineral mass, a part of the inorganic components of the earth's crust or a single, consisting of this material object.
  • Natural stone can be formed by solidification of molten minerals (basalt, granite, volcanic rocks) or by solidification of loose material (sandstone, limestone).
  • artificial stones are available through technical processes.
  • the support element in said embodiments is made of stone, in particular of one or more stones, preferably entirely made of stone.
  • large parts of the machine support structure or the entire machine support structure may be made of stone.
  • the entire printing unit is accommodated in the support element.
  • a plurality of printing units can be accommodated in the one support element.
  • the machine support structure may include a plurality of support members made of stone.
  • the one or more support elements may be made of a monoblock or a monolith.
  • the stone-made support element of the printing press may be a base frame, a machine frame, a machine foundation, a base plate, a base unit, a printing unit frame, a printing unit lower part, a side wall, a side wall, a side frame, a support wall, a portal support or a connection profile.
  • the stone is a natural stone.
  • the support element may be made of a naturally occurring stone.
  • the natural stone may be a igneous rock, a plutonic rock, a gangue, an effusion rock, or a transformation rock.
  • the natural stone is preferably a granite, a granitic rock, a granite porphyry, a gneiss or a marble.
  • the natural stone is a black granite, a gabbro or an impala granite.
  • the printing unit according to the invention can also be a compact printing unit with further features, as described in the filed German patent application DE 10 2007 045 876.4 described, or be part of a compact printing machine with other features, as described in the filed German patent application DE 10 2007 045 876.4 are described.
  • a printing press is operated with features or feature combinations according to this description, and a web-shaped substrate which is suitable for the production of labels or self-adhesive labels is processed.
  • the printing units 10 in the printing press 42 have various drying devices: the impression cylinders 14 are assigned downstream of the respective printing nip of the printing unit 10 UV drying devices 58, so that the printed substrate 44 can be dried directly on the impression cylinder 14.
  • the printing units 10 also have web guide rollers 60 for guiding the web-shaped substrate 44.
  • the fifth printing unit 10 comprises a hot-air drying device 62 for both the upper side and the lower side of the substrate 44.
  • the hot-air drying device 62 is arranged downstream of the fifth printing unit 10, and the web-shaped substrate is guided through the hot-air drying device 62.
  • a hot-air drying device 62 can also be provided in an analogous manner at further printing units.
  • the individual printing units 10 and the processing unit 50 are through a receiving element 32 attached to the frame modules 26 of the printing press 42.
  • the second printing unit 10 is operated by way of example in the back pressure.
  • FIG. 2 shows an embodiment of the printing unit 10 for flexographic printing according to the invention with a printing form cylinder 12, an impression cylinder 14 and an inking roller 16, more precisely an anilox roller.
  • the cylinders are each rotatable about their figure axes, wherein the impression cylinder 14 and the inking roller 16 are fixed to the frame in the printing press.
  • the impression cylinder 14 is arranged in the center of the printing unit 10.
  • a rocker 18 a bearing arm, in particular only or exactly one rocker arm 18, the printing form cylinder 12 is pivoted about the axis of rotation of the impression cylinder 14 (pivoting movement 20).
  • the rocker 18 is mounted in the axis of rotation of the impression cylinder 14.
  • the rocker 18 can drive side attack on the plate cylinder 12, so that the operator side for the purpose of format change the operator is accessible.
  • the rocker 18 has a linear guide 22, so that a linear distance variation 24 between the plate cylinder 12 and impression cylinder 14 by spatial displacement of the axis of rotation of the plate cylinder 12 (without tilting the axis) is performed.
  • This embodiment represents a simple printing unit construction with a simple and precise printing forme cylinder adjustment.
  • FIG. 3 refers in two partial images A to B to an embodiment of a rack module 26 for two printing units 10 according to the invention
  • FIG. 3 is a view of the frame module 26: it includes a stone side wall 28, specifically a single natural stone, in particular a granite, or a monolith.
  • the mechanical interface is in each case a receiving element 32.
  • the stone side wall 28 rests on two base profiles 34.
  • the frame module 26 can be aligned by means of leveling elements 36.
  • drawing B of the FIG. 3 the rack module 26 is shown from the side.
  • On the back of the stone side wall 26 are a first drive 38 and a second drive 40, concretely servomotors, attached, which are accessible to the printing unit 10 via the drive interfaces 30.
  • FIG. 4 shows in a user-side view of an embodiment of a printing unit 10 according to the invention in a setting for a small print format (the plate cylinder 12 has a relatively small diameter and a relatively short circumferential length) the mechanism for the realization of the individual movements in the printing unit 10.
  • the drive train 64 for rotation the printing form cylinder 12 starts from the cylinder center axis 66 of the impression cylinder 14. Concentric with the cylinder center axis 66 is the drive gear 68 of the first drive 38. The torque axis of this drive gear 68 extends through the impression cylinder 14.
  • the drive gear 68 forms the first gear in a train of coupled gears.
  • first intermediate gear 70 (second gear), which in turn meshes with an output gear 72 (third gear) of the plate cylinder 12.
  • the drive gear 68 is connected by means of a first coupling arm 74 with the first intermediate gear 70, and the first idler gear 70 is connected by means of a second coupling arm 76 with the output gear 76.
  • another drive train 78 is provided in this embodiment.
  • On the drive axle 80 of the second drive 40 is a drive gear 82 of the second drive 40.
  • the torque axis of the second drive 40 is parallel to the axis of rotation of the impression cylinder 14 and outside of the impression cylinder 14.
  • This drive gear 82 meshes with a second idler gear 84, which in turn an output gear 86 for the impression cylinder 14 meshes.
  • the first and second drives 38, 40 are synchronized with each other.
  • the rocker 18 of the printing unit 10 on a backdrop 88 in which a slider 90 is received linearly movable.
  • the slider 90 presses a guide cam follower 92 connected to the printing form cylinder 12 against a guide cam 94, which is received in the printing unit 10 and whose position is adjustable for fine adjustment.
  • the slider 90 is movable by means of an actuating element 96.
  • the linear movement of the slider 90 leads to a distance variation of the axes of rotation of the impression cylinder 14 and the plate cylinder 12 and on the other hand due to the action of the guide curve also to a pivotal movement of the plate cylinder 12 about the impression cylinder 14 (see also the FIG. 2 ).
  • FIG. 5 is a first side view of the embodiment of a printing unit 10 of the invention FIG. 4 in a setting for a small print format.
  • the adjusting element 96 for the format adjustment is on the drive side of the printing unit 10. It causes the correlated with the distance variation pivotal movement of the printing plate cylinder 12 in two points receiving rocker 18 to the impression cylinder 14.
  • On the drive side is the first drive mandrel 98 for connection to the first drive 38, which is received at the printing unit 10 receiving side wall 28 (see FIG. 3 ).
  • the second drive mandrel 100 serves to connect to the second drive 40, which is likewise fastened to the stone side wall 28.
  • this embodiment has the drive train 64 for the movement of the plate cylinder 12.
  • the other drive train 78 for the movement of the impression cylinder fourteenth
  • FIG. 6 is a drive-side view of the embodiment of a printing unit 10 of the invention FIG. 4 shown in a setting for a small print format.
  • the drive side located there is drive train 64 for the plate cylinder 12, which the first drive gear 68 for the first drive 38, the first coupled to the first coupling arm 74 first intermediate gear 70 and the second coupling arm 76 with the intermediate gear 70th connected output gear 72 for the plate cylinder 12 includes.
  • the other powertrain 78 for the impression cylinder 14 includes the drive gear 82, the second idler gear 84 and the output gear 86.
  • FIG. 7 refers to a second side view of the embodiment of a printing unit 10 of the invention FIG. 4 in a setting for a small print format.
  • the adjusting element 96 for the format adjustment by means of pivotal movement of the rocker 18 and correlated variation of the distance of the printing form cylinder 12 and impression cylinder 14 is located on the drive side of the printing unit 10.
  • On the drive side is the first drive mandrel 98 for connection to the first drive 38, the at the printing unit 10 receiving side wall 28 is received (see FIG. 3 ).
  • the second drive mandrel 100 serves to connect to the second drive 40, which is likewise fastened to the stone side wall 28.
  • the drive train 64 for the movement of the plate cylinder 12 is located next to the stone side wall 28. Between the planes of the drive train 64 and the rocker 18 lies the other drive train 78 for the movement of the impression cylinder 14th
  • FIG. 8 shows in a user-side view of the already with reference to the FIGS. 4 to 7 described embodiment of a printing unit 10 according to the invention in a setting for a large print format (the plate cylinder 12 has a relatively large diameter and a relatively long circumferential length) the mechanics for the realization of the individual movements in the printing unit 10.
  • the drive train 64 to see the rotational movement of the plate cylinder.
  • the drive train 64 comprises the first drive gear 68 for the first drive 38, the first intermediate gear 70 connected thereto with the first coupling arm 74 and the output gear 72 connected to the second coupling arm 76 for the forme cylinder 12.
  • the other drive train 78 for the The impression cylinder 14 includes the gear train consisting of the drive gear 82, the second idler gear 84 and the output gear 86.
  • the axes of rotation of the plate cylinder 12 and the impression cylinder 14 have a relatively large distance, at the same time the axes of rotation of the plate cylinder 12 and the inking roller 16 are also relative widely spaced.
  • the link 88 with the linearly movable slider 90, which can be operated with the actuator 96 is compared to their location in a small print format (see also FIG. 4 ) is pivoted about the impression cylinder 14 in the direction away from the inking roller direction.
  • FIG. 9 is a first side view of the embodiment of a printing unit 10 of the invention FIG. 8 to see in a setting for a large print format.
  • the stationary impression cylinder 14 forms with the printing forme cylinder 12 a hidden in this illustration printing gap.
  • the inking roller 16 cooperates with the printing form cylinder 12.
  • the adjusting element 96 for the format adjustment (by means of rocker 18), the first drive mandrel 98 for connecting the drive train 64 to the first drive 38 and the second drive arbor 100 for connecting the other drive train 78 to the second drive 40 can be seen on the drive side ,
  • the first and the second drive 38,40 are attached to the printing unit 10 receiving stone side wall 28 (see FIG. 3 ).
  • FIG. 10 is a drive-side view of the embodiment of a printing unit 10 of the invention FIG. 8 in a setting for a large print format. While the position of the other drive train 78 for the rotational movement of the impression cylinder 14 is unchanged compared to the setting for a small print format, the coupled gear train of the drive train 64 for the rotational movement of the plate cylinder 12 (drive gear 68, first idler gear 70, output gear 72, first coupling arm 74 and second coupling arm 76) slightly stretched and pivoted about the counter-pressure cylinder 14 in the direction away from the inking roller 16 direction.
  • FIG. 11 shows a second side view of the embodiment of a printing unit 10 of the invention FIG. 8 in a setting for a large print format.
  • the stationary impression cylinder 14 forms with the printing forme cylinder 12 a hidden in this illustration printing gap.
  • the inking roller 16 lying behind the printing form cylinder 12 interacts with the printing form cylinder 12 together.
  • the adjusting element 96 for the format adjustment (by means of rocker 18), the first drive mandrel 98 for connecting the drive rod 64 to the first drive 38 and the second drive rod 100 for connecting the other drive train 78 to the second drive 40 can be seen on the drive side ,
  • the first and the second drive 38,40 are attached to the printing unit 10 receiving stone side wall 28 (see FIG. 3 ).

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  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Description

Die Erfindung betrifft ein Druckwerk mit einem Gegendruckzylinder und einem Druckformzylinder, der um eine parallel zur Rotationsachse des Gegendruckzylinders verlaufende Schwenkachse um den Gegendruckzylinder schwenkbar ist, wobei der Abstand der Rotationsachsen des Druckformzylinders und des Gegendruckzylinders variierbar ist und der Druckformzylinder und der Gegendruckzylinder aneinander anstellbar sind, so dass ein Druckspalt gebildet wird, in welchem ein Substrat bedruckbar ist, und mit einem ersten ortsfesten Antrieb zur Erzeugung einer Drehbewegung des Druckformzylinders. Des Weiteren betrifft die Erfindung eine Druckmaschine mit einem derartigen Druckwerk.The invention relates to a printing unit with a counter-pressure cylinder and a plate cylinder, which is pivotable about a parallel to the axis of rotation of the impression cylinder pivot axis about the impression cylinder, wherein the distance of the axes of rotation of the plate cylinder and the impression cylinder is variable and the plate cylinder and the impression cylinder can be adjusted to each other, so that a printing gap is formed, in which a substrate can be printed, and with a first stationary drive for generating a rotational movement of the printing forme cylinder. Furthermore, the invention relates to a printing press with such a printing unit.

An für den Etikettendruck oder Verpackungsdruck konzipierte oder eingesetzte Druckmaschinen werden in zunehmenden Maße besonders hohe Anforderungen hinsichtlich der Wirtschaftlichkeit und der Einfachheit der Bedienung bei gleichzeitig maximierter Variabilität für die Produktherstellung gestellt. Beispielsweise soll die Druckmaschine möglichst wenig Makulatur, beispielsweise beim Umrüsten zwischen verschiedenen Druckaufträgen, auch zwischen verschiedenen Druckverfahren oder Drucklängen, verursachen. Geläufige für den Etikettendruck, insbesondere für den Selbstklebeetikettendruck, ausgelegte Schmalbahndruckmaschinen in Reihenbauweise weisen meist einen Maschinenaufbau auf, in dem ein Bedruckstoff oder ein Substrat über eine Vielzahl von Zylindern und Walzen zwischen verschiedenen Prozessebenen (beispielsweise für den Druck und für die Trocknung) geführt wird, so dass ein nicht unerheblich langer Bahnabschnitt in der Druckmaschine gespeichert ist und potentiell entsprechende Makulatur anfallen kann. Eine zwischen verschiedenen Druckverfahren umrüstbare Etikettendruckmaschine ist im Dokument WO 2005/028202 A1 beschrieben. Um zu erreichen, dass nur ein vergleichsweise kurzer Bahnabschnitt in der Druckmaschine gespeichert ist, wird für einen anderen Maschinenaufbau vor allem eine Druckwerkskonfiguration benötigt, welche einerseits die gewünschte Variabilität in Bezug auf Druckverfahren und Drucklängen und anderseits einen kurzen Bahnweg ermöglicht.Printing presses that are designed or used for label printing or packaging printing are becoming increasingly demanding in terms of cost-effectiveness and ease-of-use while at the same time maximizing variability for product production. For example, the printing machine should cause as little paper waste as possible, for example when converting between different print jobs, and also between different printing methods or print lengths. Common narrow-web presses designed for label printing, in particular for self-adhesive label printing, usually have a machine construction in which a printing material or a substrate is passed between different process levels (for example for printing and for drying) via a large number of cylinders and rollers. so that a not insignificantly long web section is stored in the printing press and potentially corresponding waste can occur. A convertible between different printing process label printing machine is in the document WO 2005/028202 A1 described. In order to achieve that only a comparatively short web section is stored in the printing press, a printing press configuration is required for another machine structure, which on the one hand enables the desired variability with regard to printing methods and printing lengths and, on the other hand, a short web path.

Für die An- und Abstellung von einzelnen Zylindern in einem Druckwerk ist häufig vorgesehen, dass Zylinder schwenkbar aufgenommen sind. Im nachveröffentlichten Dokument EP 2 042 315 A2 ist ein kompaktes Druckwerk einer Etikettendruckmaschine mit einem von einem Gegendruckzylinder zwecks einer Formatänderung an- und abstellbaren Druckformzylinder offenbart, wobei der Druckformzylinder um eine parallel zur Rotationsachse des Gegendruckzylinders verlaufende Schwenkachse um den Gegendruckzylinder schwenkbar ist und der Abstand der Rotationsachsen des Druckformzylinders und des Gegendruckzylinders variierbar. Im Dokument DE 44 35 986 A1 ist ein Offsetdruckwerk mit einer entsprechenden An- und Abstellvorrichtung für den Gummituchzylinder offenbart. Mittels der Verlagerung von Schwenkarmen kann eine Einstellung des optimalen Drucks und eine Anpassung an die Bedruckstoffdicke erreicht werden. Beispielsweise ist ein drucklängenvariables Druckwerk für den Offsetdruck im Dokument EP 1 101 611 A1 beschrieben. Um eine Achse werden mittels Spindelantrieben Lagerarme geschwenkt, um die Rotationsachsen des Druckformzylinders, des Gummituchzylinders und des Gegendruckzylinders auseinander beziehungsweise zueinander zu bewegen. Druckzylinder und Gummituchzylinder unterschiedlichen Formats können in das Druckwerk eingesetzt werden.For the arrival and dismantling of individual cylinders in a printing unit is often provided that cylinders are pivotally received. In the post-published document EP 2 042 315 A2 a compact printing unit of a label printing machine with one of a counter-pressure cylinder for the purpose of a format change on and off pressure plate cylinder disclosed, wherein the plate cylinder is pivotable about a parallel to the axis of rotation of the impression cylinder pivot axis about the impression cylinder and the distance between the axes of rotation of the plate cylinder and the impression cylinder variable. In the document DE 44 35 986 A1 is an offset printing unit with a corresponding on and off device for the blanket cylinder disclosed. By means of the displacement of swivel arms, an adjustment of the optimum pressure and an adaptation to the substrate thickness can be achieved. For example, a variable-length printing unit for offset printing is in the document EP 1 101 611 A1 described. Bearing arms are pivoted about an axis by means of spindle drives in order to move the axes of rotation of the printing forme cylinder, the blanket cylinder and the impression cylinder apart from one another or to each other. Printing cylinder and blanket cylinder different format can be used in the printing unit.

Im Dokument GB 1,147,778 ist eine Ausführungsform eines Offsetdruckwerks einer Bogendruckmaschine beschrieben, in welcher zur An- und Abstellung der Gummituchzylinder mittels eines Lagerarms um die Rotationsachse des Druckformzylinders schwenkbar ist, wobei gleichzeitig in einer überlagerten Radialbewegung der Gummituchzylinder vom Druckformzylinder abgehoben werden kann.In the document GB 1,147,778 an embodiment of an offset printing unit of a sheet-fed printing machine is described, in which for turning on and off the blanket cylinder by means of a bearing arm about the axis of rotation of the printing forme cylinder is pivotable, at the same time in a superimposed radial movement of the blanket cylinder can be lifted from the plate cylinder.

Die EP 0 352 483 A2 beschreibt eine Flexodruckmaschine mit mindestens einem Druckwerk mit jeweils einem Druckformzylinder und einem Gegendruckzylinder. Um stufenlose Formatlängenänderungen vornehmen zu können, sind der Druckformzylinder und der Gegendruckzylinder dabei jeweils von einem gesonderten Antriebsstrang antreibbar, wobei jeder Antriebsstrang einen eigenen, geregelten Antriebsmotor aufweist.The EP 0 352 483 A2 describes a flexographic printing machine with at least one printing unit, each with a printing form cylinder and a counter-pressure cylinder. In order to make stepless format length changes, the printing form cylinder and the impression cylinder are each driven by a separate drive train, each drive train has its own, controlled drive motor.

Aufgabe der vorliegenden Erfindung ist es, ein Druckwerk in kompakter Bauweise zu schaffen, in welchem der Druckformzylinder von den.ihn kontaktierenden Zylindern zwecks Formatvariation abstellbar ist.Object of the present invention is to provide a printing unit in a compact design, in which the printing forme cylinder of den.ihn contacting cylinders for the purpose of format variation is turned off.

Diese Aufgabe wird erfindungsgemäß durch ein Druckwerk mit den Merkmalen gemäß Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen charakterisiert.This object is achieved by a printing unit with the features of claim 1. Advantageous developments of the invention are characterized in the dependent claims.

Ein erfindungsgemäßes Druckwerk umfasst einen Gegendruckzylinder und einen Druckformzylinder, der um eine parallel zur Rotationsachse des Gegendruckzylinders verlaufende Schwenkachse um den Gegendruckzylinder schwenkbar ist. Dabei ist der Abstand der Rotationsachsen des Druckformzylinders und des Gegendruckzylinders variierbar, und der Druckformzylinder und der Gegendruckzylinder sind aneinander anstellbar, so dass ein Druckspalt gebildet wird, in welchem ein Substrat bedruckbar ist. Des Weiteren umfasst das erfindungsgemäße Druckwerk einen ersten ortsfesten Antrieb zur Erzeugung einer Drehbewegung des Druckformzylinders. Der erste Antrieb ist mit dem Druckformzylinder über einen Antriebsstrang verbunden, von dem wenigstens ein Bauteil eine Drehmomentachse aufweist, welche durch den Gegendruckzylinder hindurch verläuft.A printing unit according to the invention comprises a counter-pressure cylinder and a printing-plate cylinder, which is pivotable about the counter-pressure cylinder about a pivot axis extending parallel to the axis of rotation of the impression cylinder. It is the Distance of the axes of rotation of the printing form cylinder and the impression cylinder variable, and the printing form cylinder and the impression cylinder can be adjusted to each other, so that a printing gap is formed, in which a substrate is printable. Furthermore, the printing unit according to the invention comprises a first stationary drive for generating a rotary movement of the printing form cylinder. The first drive is connected to the printing form cylinder via a drive train, of which at least one component has a torque axis which extends through the impression cylinder.

Eine Drehmomentachse hat die Orientierung des am Bauteil des Antriebsstranges wirkenden Drehmoments und verläuft durch den Punkt des Bauteils, an welchem das Drehmoment angreift. In vorteilhafter Weise kann ein kompakter Antriebsstrang zur Erzeugung der Drehbewegung des Druckformzylinders realisiert werden. Das erfindungsgemäße Druckwerk benötigt nur einen geringen Bauraum und setzt sich kostengünstig aus wenigen Bauteilen zusammen.A torque axis has the orientation of the torque acting on the component of the drive train and passes through the point of the component on which the torque acts. Advantageously, a compact drive train for generating the rotational movement of the plate cylinder can be realized. The printing unit according to the invention requires only a small space and is inexpensive together of few components.

Die Drehmomentachse des ersten Antriebs und/oder die Schwenkachse können insbesondere durch den Gegendruckzylinder verlaufen. Mit anderen Worten die Drehmomentachse des ersten Antriebs und/oder die Schwenkachse können insbesondere innerhalb der Kontur des Gegendruckzylinders liegen, insbesondere den Volumenkörper des Gegendruckzylinders schneiden. Darüber hinaus oder alternativ dazu kann beim Schwenken des Druckformzylinders um die Schwenkachse der Gegendruckzylinder wenigstens teilweise in einem durch eine von der Rotationsachse des Druckformzylinders überstrichenen Linie begrenzten Kreissegment liegen. Mit anderen Worten, der Druckformzylinder ist um den Gegendruckzylinder schwenkbar und nicht von ihm weg schwenkbar. Die Schwenkachse kann, von der Rotationsachse des Druckformzylinders aus betrachtet, innerhalb des Druckformzylinders oder hinter dem Druckformzylinder liegen. Die Abstandsvariation der Rotationsachsen kann entlang eines linearen oder geraden Weges erfolgen. Insbesondere ist ein den Druckformzylinder aufnehmendes Element schwenkbar, wobei der Abstand der Aufnahme des Druckformzylinders zur Schwenkachse verstellbar ist.The torque axis of the first drive and / or the pivot axis can in particular run through the impression cylinder. In other words, the torque axis of the first drive and / or the pivot axis can lie in particular within the contour of the impression cylinder, in particular cut the solid of the impression cylinder. In addition, or alternatively, when the printing forme cylinder is pivoted about the pivot axis, the impression cylinder can at least partially lie in a circle segment bounded by a line swept by the axis of rotation of the printing forme cylinder. In other words, the printing form cylinder is pivotable about the impression cylinder and not pivoted away from it. The pivot axis may, viewed from the axis of rotation of the printing forme cylinder, lie within the plate cylinder or behind the plate cylinder. The distance variation of the axes of rotation may be along a linear or straight path. In particular, a printing forme cylinder receiving element is pivotable, wherein the distance of the receptacle of the printing forme cylinder is adjustable to the pivot axis.

Insbesondere vorteilhaft für den Etikettendruck kann das erfindungsgemäße Druckwerk für die Ausführung eines flexographischen Druckverfahrens oder für die Ausführung eines Buchdruckverfahrens oder für die Ausführung eines Tiefdruckverfahrens ausgelegt sein.Particularly advantageous for label printing, the printing unit according to the invention can be designed for the execution of a flexographic printing process or for the execution of a letterpress printing process or for the execution of a gravure printing process.

In einer Gruppe von vorteilhaften Ausführungsformen des erfindungsgemäßen Druckwerks ist der erste Antrieb über einen Zug von miteinander durch Arme gekoppelten Zahnrädern mit dem Druckformzylinder verbunden. Der Zahnräderzug bildet in dieser Gruppe den Antriebsstrang. Insbesondere kann der Zahnräderzug ein erstes, ein zweites und ein drittes Zahnrad umfassen, von denen das erste Zahnrad mit dem zweiten Zahnrad mit einem ersten Koppelarm und das zweite Zahnrad mit dem dritten Zahnrad mit einem zweiten Koppelarm verbunden sind.In a group of advantageous embodiments of the printing unit according to the invention, the first drive is connected to the printing form cylinder via a train of toothed wheels coupled to one another by arms. The gear train forms the drive train in this group. In particular, the gear train may comprise a first, a second and a third gear, of which the first gear with the second gear with a first coupling arm and the second gear with the third gear are connected to a second coupling arm.

Im erfindungsgemäßen Druckwerk kann bevorzugt die Drehmomentachse des ersten Antriebs parallel zu der Zylindermittelachse des Gegendruckzylinders verlaufen und/oder identisch mit der Zylindermittelachse des Gegendruckzylinders sein. Des Weiteren oder alternativ dazu kann die Schwenkachse des Druckformzylinders entlang der Zylindermittelachse des Gegendruckzylinders verlaufen und/oder der Gegendruckzylinder im Druckwerk ortsfest sein.In the printing unit according to the invention, the torque axis of the first drive may preferably run parallel to the cylinder center axis of the impression cylinder and / or be identical to the cylinder center axis of the impression cylinder. Furthermore or alternatively, the pivot axis of the printing form cylinder can run along the cylinder center axis of the impression cylinder and / or the impression cylinder can be stationary in the printing unit.

Konkret kann im erfindungsgemäßen Druckwerk zur Ausführung einer gekoppelten Schwenkbewegung und Abstandsvariation des Druckformzylinders ein in einer um die Schwenkachse schwenkbare Kulisse bewegbarer Schieber, der einen mit dem Druckformzylinder verbundenen Führungskurvenfolger gegen eine ortsfeste oder (insbesondere zur Feinjustage) verstellbare Führungskurve kontaktiert, vorgesehen sein.Specifically, in the printing unit according to the invention for carrying out a coupled pivoting movement and spacing variation of the printing forme cylinder, a slide movable in a pivotable about the pivot axis slide which contacts a guide cam follower connected to the printing forme cylinder against a stationary or (in particular for fine adjustment) adjustable guide curve can be provided.

In einer vorteilhaften optionalen Weiterbildung des erfindungsgemäßen Druckwerks ist der Gegendruckzylinder mit einem zweiten ortsfesten Antrieb über einen anderen Antriebsstrang verbunden. Der zweite Antrieb ist vom ersten Antrieb verschieden. Der andere Antriebsstrang ist nicht zum Antriebsstrang für den Druckformzylinder identisch. Insbesondere kann der zweite Antrieb über einen Zahnräderzug mit dem Gegendruckzylinder verbunden sein. Des Weiteren oder alternativ dazu kann die Drehmomentachse des zweiten Antriebs bevorzugt außerhalb des Gegendruckzylinders verlaufen. Auch können der erste Antrieb und/oder der zweite Antrieb jeweils ein Servomotor sein.In an advantageous optional development of the printing unit according to the invention, the impression cylinder is connected to a second stationary drive via another drive train. The second drive is different from the first drive. The other drive train is not identical to the drive train for the plate cylinder. In particular, the second drive can be connected via a gear train with the impression cylinder. Furthermore or alternatively, the Torque axis of the second drive preferably run outside of the impression cylinder. Also, the first drive and / or the second drive may each be a servomotor.

Im erfindungsgemäßen Druckwerk kann der Druckformzylinder lösbar verbunden im Druckwerk aufgenommen sein. Das erfindungsgemäße Druckwerk kann auch formatvariabel sein: Druckformzylinder mit unterschiedlichen Durchmessern können im Druckwerk aufnehmbar sein. Alternativ dazu können auf dem Druckformzylinder Zwischenhülsen mit unterschiedlichen Durchmessern aufnehmbar sein.In the printing unit according to the invention, the printing form cylinder can be detachably connected in the printing unit. The printing unit according to the invention can also be variable in format: printing form cylinders with different diameters can be accommodated in the printing unit. Alternatively, intermediate sleeves with different diameters can be accommodated on the printing form cylinder.

Im Zusammenhang des erfinderischen Gedankens steht auch eine Druckmaschine, insbesondere eine Etikettendruckmaschine. Eine erfindungsgemäße Druckmaschine zeichnet sich durch wenigstens ein erfindungsgemäßes Druckwerk mit Merkmalen oder Merkmalskombinationen gemäß dieser Darstellung aus. Bevorzugt ist die Druckmaschine in Reihenbauweise und/oder modular hinsichtlich einzelner Baugruppen, insbesondere der Druckwerke oder Druckwerksgruppen, einschließlich deren Tragkonstruktionen, ausgeführt. Die erfindungsgemäße Druckmaschine kann eine Mehrzahl von Druckwerken aufweisen, insbesondere vier Druckwerke für einen Mehrfarbendruck. Die Druckmaschine kann eine Mehrzahl von erfindungsgemäßen Druckwerken aufweisen.In the context of the inventive idea is also a printing press, in particular a label printing machine. A printing press according to the invention is characterized by at least one printing unit according to the invention having features or combinations of features according to this representation. Preferably, the printing machine in a row construction and / or modular with respect to individual modules, in particular the printing units or groups of printing groups, including their supporting structures executed. The printing machine according to the invention can have a plurality of printing units, in particular four printing units for a multi-color printing. The printing press may have a plurality of printing units according to the invention.

Das Substrat kann bahnförmig sein. Insbesondere kann das Substrat eine mehrschichtige Materialbahn sein, insbesondere ein Selbstklebeetikettenmaterial auf einer Trägerbahn. Die Druckmaschine kann eine bahnverarbeitende Druckmaschine sein. Sie kann Transportmittel zur Bewegung des bahnförmigen Substrats durch die Druckmaschine aufweisen. Die Druckmaschine kann eine so genannte Schmalbahndruckmaschine sein. Die Breite der zu bedruckenden Bahn kann unter 900 mm, insbesondere unter 515 mm betragen. Typische Breiten für Ausführungsformen von erfindungsgemäßen Schmalbahndruckmaschinen sind insbesondere 330 mm und 280 mm.The substrate may be web-shaped. In particular, the substrate may be a multilayer material web, in particular a self-adhesive label material on a carrier web. The printing machine may be a web-processing printing press. It may comprise transport means for moving the web-shaped substrate through the printing press. The printing press can be a so-called narrow web press. The width of the web to be printed can be less than 900 mm, in particular less than 515 mm. Typical widths for embodiments of narrow web printing machines according to the invention are in particular 330 mm and 280 mm.

Eine erfindungsgemäße Druckmaschine kann darüber hinaus auch die weiteren Merkmale einzeln oder in Kombination aufweisen: ein erfindungsgemäßes Druckwerk kann an einer Gestellwand mit den zwei in die Gestellwand integrierten ortsfesten Antrieben (erster Antrieb und zweiter Antrieb) aufgenommen sein. Die Druckmaschine kann Aufnahmeelemente aufweisen, an denen wechselweise Module für unterschiedliche Druckverfahren oder zur Bearbeitung/zur Veredelung des Substrats lösbar verbindbar aufnehmbar sind. Druckverfahren können insbesondere sein: Flexodruck, Tiefdruck, Buchdruck, Hochdruck, Offsetdruck, direkter oder indirekter Flachdruck, Folienprägedruck, Siebdruck, Tintenstrahldruck oder xerographischer Druck. Eine Bearbeitung kann insbesondere sein: Stanzen, Schneiden, Ausstanzen, Perforieren, Rillen, Falzen oder Lackieren. Anders ausgedrückt, die Druckmaschine kann eine (normierte oder neutrale) Schnittstelle aufweisen, so dass Druckwerks- oder Bearbeitungswerkskomponenten mit der Druckmaschine verbindbar aufnehmbar sind. Insbesondere können durch alle diese Werke nutzbare Komponenten oder alle diese Werke jeweils zur Funktionstüchtigkeit ergänzende Komponenten direkt Teil der Druckmaschine sein. Die Druckmaschine kann eine Mehrzahl von Druckwerken aufweisen, welche nach voneinander verschiedenen Druckverfahren arbeiten. Die Reihenfolge der einzeln angeordneten Druckwerke und/oder Bearbeitungswerke ist druckauftragsgemäß wählbar oder anpassbar.In addition, a printing press according to the invention can also have the further features singly or in combination: a printing unit according to the invention can be mounted on a printer Frame wall with the two integrated in the frame wall fixed drives (first drive and second drive) to be added. The printing press may have receiving elements on which alternately modules for different printing processes or for processing / processing of the substrate are releasably connectable receivable. Printing processes may be in particular: flexographic printing, gravure printing, letterpress printing, letterpress printing, offset printing, direct or indirect planographic printing, film embossing printing, screen printing, inkjet printing or xerographic printing. In particular, machining can be punching, cutting, punching, perforating, creasing, folding or painting. In other words, the printing press can have a (normalized or neutral) interface, so that printing unit or processing unit components can be received in a connectable manner to the printing press. In particular, components which can be used by all these plants or all components which complement each other for functionality can be directly part of the printing press. The printing machine may have a plurality of printing units, which work according to different printing methods. The order of the individually arranged printing units and / or processing units can be selected or adapted according to the print order.

In einer Gruppe von besonders bevorzugten Ausführungsformen von erfindungsgemäßen Druckmaschinen ist das erfindungsgemäße Druckwerk in einem wenigstens teilweise aus Stein gefertigten Tragelement mittels eines Lagerelements aufgenommen.In a group of particularly preferred embodiments of printing presses according to the invention, the printing unit according to the invention is received in an at least partially made of stone support member by means of a bearing element.

Das erfindungsgemäße Druckwerk kann in einem wenigstens teilweise aus Stein, insbesondere Naturstein oder einem Naturstein aufweisenden Verbundwerkstoff, gefertigten Tragelement mittels eines Lagerelements aufgenommen werden/sein. Eine Druckmaschine mit einem wenigstens teilweise aus Stein gefertigten Tragelements ist in der eingereichten deutschen Patentanmeldung DE 10 2006 042 884.6 sowie der die Priorität dieser deutschen Patentanmeldungen beanspruchenden eingereichten amerikanischen Patentanmeldung beschrieben.The printing unit according to the invention can be accommodated in a support element produced at least partially from stone, in particular natural stone or a natural stone, by means of a bearing element. A printing machine with a support element made at least partially of stone is in the filed German patent application DE 10 2006 042 884.6 as well as the priority of these German patent applications claiming filed US patent application.

Im Zusammenhang der Erfindung wird unter dem verwendeten Begriff Stein eine feste, mineralische Masse beziehungsweise ein einzelner, aus einem derartigen Material bestehender Gegenstand verstanden. Bei Stein kann es sich um Naturstein oder Kunststein handeln. Naturstein ist eine feste, im Laufe der Erdgeschichte entstandene mineralische Masse, ein Teil der anorganischen Bestandteile der Erdkruste beziehungsweise ein einzelner, aus diesem Material bestehender Gegenstand. Naturstein kann durch Erstarren geschmolzener Mineralien entstehen (Basalt, Granit, vulkanische Gesteine) oder durch Verfestigung lockeren Materials (Sandstein, Kalkstein). Kunststeine sind dagegen durch technische Verfahren erhältlich.In the context of the invention, the term "stone" is understood to mean a solid mineral mass or a single object consisting of such a material. Stone can be natural stone or artificial stone. Natural stone is a solid, during the course of Earth's history, a mineral mass, a part of the inorganic components of the earth's crust or a single, consisting of this material object. Natural stone can be formed by solidification of molten minerals (basalt, granite, volcanic rocks) or by solidification of loose material (sandstone, limestone). On the other hand, artificial stones are available through technical processes.

Das Tragelement in den besagten Ausführungsformen besteht aus Stein, insbesondere aus einem oder mehreren Steinen, bevorzugt ganz aus Stein. Insbesondere können große Teile der Maschinentragkonstruktion oder die gesamte Maschinentragkonstruktion aus Stein gefertigt sein. Bevorzugt ist das ganze Druckwerk in dem Tragelement aufgenommen. In einigen der Ausführungsformen der erfindungsgemäßen Druckmaschine kann eine Mehrzahl von Druckwerken in dem einen Tragelement aufgenommen sein. Des Weiteren oder alternativ dazu kann die Maschinentragkonstruktion eine Mehrzahl von Tragelementen aufweisen, welche aus Stein gefertigt sind. Das oder die Tragelemente können aus einem Monoblock oder einem Monolithen gefertigt sein. Insbesondere kann das aus Stein gefertigte Tragelement der erfindungsgemäßen Druckmaschine ein Grundgestell, ein Maschinenrahmen, ein Maschinenfundament, eine Grundplatte, eine Grundeinheit, ein Druckwerksrahmen, ein Druckwerksunterteil, eine Seitenwange, eine Seitenwand, ein Seitenrahmen, eine Tragwand, ein Portalträger oder ein Verbindungsprofil sein.The support element in said embodiments is made of stone, in particular of one or more stones, preferably entirely made of stone. In particular, large parts of the machine support structure or the entire machine support structure may be made of stone. Preferably, the entire printing unit is accommodated in the support element. In some of the embodiments of the printing machine according to the invention, a plurality of printing units can be accommodated in the one support element. Further, or alternatively, the machine support structure may include a plurality of support members made of stone. The one or more support elements may be made of a monoblock or a monolith. In particular, the stone-made support element of the printing press according to the invention may be a base frame, a machine frame, a machine foundation, a base plate, a base unit, a printing unit frame, a printing unit lower part, a side wall, a side wall, a side frame, a support wall, a portal support or a connection profile.

In einer ersten Gruppe von Ausführungsformen der erfindungsgemäßen Druckmaschine ist der Stein ein Naturstein. Mit anderen Worten, das Tragelement kann aus einem natürlich vorkommenden Stein gefertigt sein. Insbesondere kann der Naturstein ein Eruptivgestein, ein Tiefengestein, ein Ganggestein, ein Ergussgestein oder ein Umwandlungsgestein sein. Bevorzugt ist der Naturstein ein Granit, ein granitartiges Gestein, ein Granitporphyr, ein Gneis oder ein Marmor. In besonders vorteilhaften Ausführungsformen ist der Naturstein ein Schwarzgranit, ein Gabbro oder ein Impala-Granit.In a first group of embodiments of the printing press according to the invention, the stone is a natural stone. In other words, the support element may be made of a naturally occurring stone. In particular, the natural stone may be a igneous rock, a plutonic rock, a gangue, an effusion rock, or a transformation rock. The natural stone is preferably a granite, a granitic rock, a granite porphyry, a gneiss or a marble. In particularly advantageous embodiments, the natural stone is a black granite, a gabbro or an impala granite.

Das erfindungsgemäße Druckwerk kann auch ein kompaktes Druckwerk mit weiteren Merkmalen sein, wie sie in der eingereichten deutschen Patentanmeldung DE 10 2007 045 876.4 beschrieben sind, oder Teil einer kompakten Druckmaschine mit weiteren Merkmalen sein, wie sie in der eingereichten deutschen Patentanmeldung DE 10 2007 045 876.4 beschrieben sind.The printing unit according to the invention can also be a compact printing unit with further features, as described in the filed German patent application DE 10 2007 045 876.4 described, or be part of a compact printing machine with other features, as described in the filed German patent application DE 10 2007 045 876.4 are described.

Im Zusammenhang der Erfindung steht des Weiteren auch ein Verfahren zum Herstellen von Etiketten oder von Selbstklebeetiketten in einer Druckmaschine. Erfindungsgemäß wird eine Druckmaschine mit Merkmalen oder Merkmalskombinationen gemäß dieser Beschreibung betrieben und ein bahnförmiges Substrat, welches für die Herstellung von Etiketten oder von Selbstklebeetiketten geeignet ist, verarbeitet.In the context of the invention is also a method for producing labels or self-adhesive labels in a printing press. According to the invention, a printing press is operated with features or feature combinations according to this description, and a web-shaped substrate which is suitable for the production of labels or self-adhesive labels is processed.

Weitere Vorteile und vorteilhafte Ausführungsformen und Weiterbildungen der Erfindung werden anhand der nachfolgenden Beschreibung unter Bezugnahme auf die Figuren dargestellt. Es zeigt im Einzelnen:

Figur 1
eine Ansicht einer bevorzugten Ausführungsform einer erfindungsgemäßen Druckmaschine,
Figur 2
eine schematische Darstellung einer bevorzugten Ausführungsform des erfindungsgemäßen Druckwerks zur Erläuterung der Bewegungsfreiheitsgrade,
Figur 3
in zwei Teilbildern eine Ausführungsform eines Gestellmoduls für zwei Druckwerke,
Figur 4
eine bedienseitige Ansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein kleines Druckformat,
Figur 5
eine erste Seitenansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein kleines Druckformat,
Figur 6
eine antriebsseitige Ansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein kleines Druckformat,
Figur 7
eine zweite Seitenansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein kleines Druckformat,
Figur 8
eine bedienseitige Ansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein großes Druckformat,
Figur 9
eine erste Seitenansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein großes Druckformat,
Figur 10
eine antriebsseitige Ansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein großes Druckformat, und
Figur 11
eine zweite Seitenansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks in einer Einstellung für ein großes Druckformat.
In der Figur 1 ist eine Ansicht einer bevorzugten Ausführungsform einer erfindungsgemäßen Druckmaschine 42, genauer einer erfindungsgemäßen Etikettendruckmaschine, in Reihenbauweise, mit in horizontaler Richtung folgenden erfindungsgemäßen Druckwerken 10 gezeigt. Die Etikettendruckmaschine dient der Bearbeitung eines Substrats 44 in Bahnform. Das Substrat wird von einer Substratrolle 46 in einem Zuführteil 48 der Druckmaschine 42 abgerollt und entlang eines Weges durch die Druckmaschine 42 geführt. Die Druckmaschine 42 weist eine Mehrzahl von Gestellmodulen 26, hier beispielhaft drei Gestellmodule 26, auf. In dieser Ausführungsform sind jeweils zwei Druckwerke 10 beziehungsweise ein Druckwerk 10 und ein Bearbeitungswerk 50, hier ein Stanzwerk zum Ausstanzen der Etiketten auf dem bahnförmigen Substrat 44, an einem Gestellmodul 26 aufgenommen. Nach den einzelnen Bearbeitungsstationen folgt ein Auslaufteil 52, in welchem die fertigen Produkte in eine Etikettenrolle 54 aufgewickelt werden. Zuführteil 48, Gestellmodule 26 und Auslaufteil 52 sind lösbar oder trennbar miteinander verbunden: Die Druckmaschine 42 ist modular aufgebaut.Further advantages and advantageous embodiments and developments of the invention will be described with reference to the following description with reference to the figures. It shows in detail:
FIG. 1
a view of a preferred embodiment of a printing machine according to the invention,
FIG. 2
a schematic representation of a preferred embodiment of the printing unit according to the invention for explaining the degrees of freedom of movement,
FIG. 3
in two partial images, an embodiment of a rack module for two printing units,
FIG. 4
FIG. 2 is an operator-side view of an embodiment of a printing unit according to the invention in a setting for a small print format, FIG.
FIG. 5
1 is a first side view of an embodiment of a printing unit according to the invention in a setting for a small print format,
FIG. 6
a drive-side view of an embodiment of a printing unit according to the invention in a setting for a small print format,
FIG. 7
a second side view of an embodiment of a printing unit according to the invention in a setting for a small print format,
FIG. 8
5 is an operational view of an embodiment of a printing unit according to the invention in a setting for a large printing format,
FIG. 9
a first side view of an embodiment of a printing unit according to the invention in a setting for a large print format,
FIG. 10
a drive-side view of an embodiment of a printing unit according to the invention in a setting for a large print format, and
FIG. 11
a second side view of an embodiment of a printing unit according to the invention in a setting for a large print format.
In the FIG. 1 is a view of a preferred embodiment of a printing machine 42 according to the invention, more specifically a label printing machine according to the invention, in a row construction, with printing units 10 according to the invention following in the horizontal direction. The label printing machine is used to process a substrate 44 in web form. The substrate is unrolled from a substrate roll 46 in a feed section 48 of the printing machine 42 and guided along a path through the printing press 42. The printing press 42 has a plurality of frame modules 26, here by way of example three frame modules 26. In this embodiment, two printing units 10 or a printing unit 10 and a processing unit 50, here a punching unit for punching the labels on the web-shaped substrate 44, are received on a frame module 26. After the individual processing stations follows an outlet part 52, in which the finished products are wound up in a label roll 54. Feeding part 48, rack modules 26 and outlet part 52 are detachably or separably connected to each other: The printing press 42 has a modular structure.

In der Darstellung der einzelnen Druckwerke 10, hier Flexodruckwerke, in der Figur 1 sind neben den Druckformzylindern 12, den Gegendruckzylindern 14 und den Farbauftragswalzen 16 auch Kammerrakel 56 gezeigt. Des Weiteren weisen die Druckwerke 10 in der Druckmaschine 42 diverse Trocknungseinrichtungen auf: Den Gegendruckzylindern 14 sind an dem jeweiligen Druckspalt des Druckwerks 10 nachgeordnet UV-Trocknungseinrichtungen 58 zugeordnet, so dass das bedruckte Substrat 44 direkt auf dem Gegendruckzylinder 14 getrocknet werden kann. Die Druckwerke 10 weisen auch Bahnleitwalzen 60 zur Führung des bahnförmigen Substrats 44 auf. In der in der Figur 1 gezeigten Ausführungsform umfasst das fünfte Druckwerk 10 eine Heißlufttrocknungseinrichtung 62 sowohl für die Oberseite als auch für die Unterseite des Substrats 44. Die Heißlufttrocknungseinrichtung 62 ist dem fünften Druckwerk 10 nachgeordnet, das bahnförmige Substrat wird durch die Heißlufttrocknungseinrichtung 62 geführt. In anderen Ausführungsformen der erfindungsgemäßen Druckmaschine 42 kann auch an weiteren Druckwerken eine Heißlufttrocknungseinrichtung 62 in analoger Weise vorgesehen sein. Die einzelnen Druckwerke 10 und das Bearbeitungswerk 50 sind durch ein Aufnahmeelement 32 an den Gestellmodulen 26 der Druckmaschine 42 befestigt. Das zweite Druckwerk 10 wird beispielhaft im Rückseitendruck betrieben.In the representation of the individual printing units 10, here flexographic printing, in the FIG. 1 In addition to the printing forme cylinders 12, the impression cylinders 14 and the inking rollers 16 and chamber doctor blade 56 are shown. Furthermore, the printing units 10 in the printing press 42 have various drying devices: the impression cylinders 14 are assigned downstream of the respective printing nip of the printing unit 10 UV drying devices 58, so that the printed substrate 44 can be dried directly on the impression cylinder 14. The printing units 10 also have web guide rollers 60 for guiding the web-shaped substrate 44. In the in the FIG. 1 In the embodiment shown, the fifth printing unit 10 comprises a hot-air drying device 62 for both the upper side and the lower side of the substrate 44. The hot-air drying device 62 is arranged downstream of the fifth printing unit 10, and the web-shaped substrate is guided through the hot-air drying device 62. In other embodiments of the printing machine 42 according to the invention, a hot-air drying device 62 can also be provided in an analogous manner at further printing units. The individual printing units 10 and the processing unit 50 are through a receiving element 32 attached to the frame modules 26 of the printing press 42. The second printing unit 10 is operated by way of example in the back pressure.

Die Figur 2 zeigt eine Ausführungsform des erfindungsgemäßen Druckwerks 10 für den Flexodruck mit einem Druckformzylinder 12, einem Gegendruckzylinder 14 und einer Farbauftragswalze 16, genauer eine Rasterwalze. Die Zylinder sind jeweils um ihre Figurenachsen rotierbar, wobei der Gegendruckzylinder 14 und die Farbauftragswalze 16 gestellfest in der Druckmaschine aufgenommen sind. Der Gegendruckzylinder 14 ist im Zentrum des Druckwerks 10 angeordnet. Mittels einer Schwinge 18, einem Lagerarm, insbesondere nur oder genau einer Schwinge 18, wird der Druckformzylinder 12 um die Rotationsachse des Gegendruckzylinders 14 geschwenkt (Schwenkbewegung 20). Die Schwinge 18 ist in der Rotationsachse des Gegendruckzylinders 14 gelagert. Die Schwinge 18 kann antriebsseitig an den Druckformzylinder 12 angreifen, so dass dieser bedienseitig zwecks Formatwechsels dem Maschinenbediener zugänglich ist. Die Schwinge 18 weist eine Linearführung 22 auf, so dass eine lineare Abstandsvariation 24 zwischen Druckformzylinder 12 und Gegendruckzylinder 14 durch Raumlageverschiebung der Rotationsachse des Druckformzylinders 12 (ohne Verkippung der Achse) durchgeführt wird. Diese Ausführungsform stellt eine einfache Druckwerkskonstruktion mit einer einfachen und präzisen Druckformzylinderverstellung dar.The FIG. 2 shows an embodiment of the printing unit 10 for flexographic printing according to the invention with a printing form cylinder 12, an impression cylinder 14 and an inking roller 16, more precisely an anilox roller. The cylinders are each rotatable about their figure axes, wherein the impression cylinder 14 and the inking roller 16 are fixed to the frame in the printing press. The impression cylinder 14 is arranged in the center of the printing unit 10. By means of a rocker 18, a bearing arm, in particular only or exactly one rocker arm 18, the printing form cylinder 12 is pivoted about the axis of rotation of the impression cylinder 14 (pivoting movement 20). The rocker 18 is mounted in the axis of rotation of the impression cylinder 14. The rocker 18 can drive side attack on the plate cylinder 12, so that the operator side for the purpose of format change the operator is accessible. The rocker 18 has a linear guide 22, so that a linear distance variation 24 between the plate cylinder 12 and impression cylinder 14 by spatial displacement of the axis of rotation of the plate cylinder 12 (without tilting the axis) is performed. This embodiment represents a simple printing unit construction with a simple and precise printing forme cylinder adjustment.

Die Figur 3 bezieht sich in zwei Teilbildern A bis B auf eine Ausführungsform eines Gestellmoduls 26 für zwei erfindungsgemäße Druckwerke 10. Teilbild A der Figur 3 ist eine Ansicht des Gestellmoduls 26: es umfasst eine steinerne Seitenwand 28, konkret ein einzelner Naturstein, insbesondere ein Granit, oder ein Monolith. Es sind vier Antriebsschnittstellen 30 für die aufzunehmenden Druckwerksmodule, jeweils zwei Antriebsschnittstellen 30 für ein Druckwerk vorgesehen. Als mechanische Schnittstelle dient jeweils ein Aufnahmeelement 32. Die steinerne Seitenwand 28 ruht auf zwei Standfußprofilen 34. Das Gestellmodul 26 kann mittels Nivellierelementen 36 ausgerichtet werden. Im Teilbild B der Figur 3 ist das Gestellmodul 26 von der Seite gezeigt. Auf der Rückseite der steinernen Seitenwand 26 sind ein erster Antrieb 38 und ein zweiter Antrieb 40, konkret Servomotoren, befestigt, welche über die Antriebsschnittstellen 30 dem Druckwerk 10 zugänglich sind.The FIG. 3 refers in two partial images A to B to an embodiment of a rack module 26 for two printing units 10 according to the invention FIG. 3 is a view of the frame module 26: it includes a stone side wall 28, specifically a single natural stone, in particular a granite, or a monolith. There are four drive interfaces 30 for the male printing unit modules, two drive interfaces 30 are provided for a printing unit. The mechanical interface is in each case a receiving element 32. The stone side wall 28 rests on two base profiles 34. The frame module 26 can be aligned by means of leveling elements 36. In drawing B of the FIG. 3 the rack module 26 is shown from the side. On the back of the stone side wall 26 are a first drive 38 and a second drive 40, concretely servomotors, attached, which are accessible to the printing unit 10 via the drive interfaces 30.

Die Figur 4 zeigt in einer bedienseitige Ansicht einer Ausführungsform eines erfindungsgemäßen Druckwerks 10 in einer Einstellung für ein kleines Druckformat (der Druckformzylinder 12 hat einen relativ kleinen Durchmesser und eine relativ kurze Umfangslänge) die Mechanik zur Realisierung der einzelnen Bewegungen im Druckwerk 10. Der Antriebsstrang 64 für die Rotation des Druckformzylinders 12 geht von der Zylindermittelachse 66 des Gegendruckzylinders 14 aus. Konzentrisch zur Zylindermittelachse 66 befindet sich das Antriebszahnrad 68 des ersten Antriebs 38. Die Drehmomentachse dieses Antriebszahnrads 68 verläuft durch den Gegendruckzylinder 14. Das Antriebszahnrad 68 bildet das erste Zahnrad in einem Zug miteinander gekoppelter Zahnräder. Es kämmt mit einem ersten Zwischenzahnrad 70 (zweites Zahnrad), welches wiederum mit einem Abtriebszahnrad 72 (drittes Zahnrad) des Druckformzylinders 12 kämmt. Das Antriebszahnrad 68 ist mittels eines ersten Koppelarms 74 mit den ersten Zwischenzahnrad 70, und das erste Zwischenzahnrad 70 ist mittels eines zweiten Koppelarms 76 mit dem Abtriebszahnrad 76 verbunden.The FIG. 4 shows in a user-side view of an embodiment of a printing unit 10 according to the invention in a setting for a small print format (the plate cylinder 12 has a relatively small diameter and a relatively short circumferential length) the mechanism for the realization of the individual movements in the printing unit 10. The drive train 64 for rotation the printing form cylinder 12 starts from the cylinder center axis 66 of the impression cylinder 14. Concentric with the cylinder center axis 66 is the drive gear 68 of the first drive 38. The torque axis of this drive gear 68 extends through the impression cylinder 14. The drive gear 68 forms the first gear in a train of coupled gears. It meshes with a first intermediate gear 70 (second gear), which in turn meshes with an output gear 72 (third gear) of the plate cylinder 12. The drive gear 68 is connected by means of a first coupling arm 74 with the first intermediate gear 70, and the first idler gear 70 is connected by means of a second coupling arm 76 with the output gear 76.

Für die Rotationsbewegung des Gegendruckzylinders 14 ist in dieser Ausführungsform ein anderer Antriebsstrang 78 vorgesehen. Auf der Antriebsachse 80 des zweiten Antriebs 40 befindet sich ein Antriebszahnrad 82 des zweiten Antriebs 40. Die Drehmomentachse des zweiten Antriebs 40 verläuft parallel zur Rotationsachse des Gegendruckzylinders 14 und außerhalb des Gegendruckzylinders 14. Dieses Antriebszahnrad 82 kämmt mit einem zweiten Zwischenzahnrad 84, welches wiederum mit einem Abtriebszahnrad 86 für den Gegendruckzylinder 14 kämmt. Der erste und der zweite Antrieb 38, 40 sind aufeinander synchronisiert. Zur Realisierung einer kombinierten oder korrelierten Schwenkbewegung mit Abstandsvariation weist die Schwinge 18 des Druckwerks 10 eine Kulisse 88 auf, in welcher ein Schieber 90 linear bewegbar aufgenommen ist. Der Schieber 90 drückt einen mit dem Druckformzylinder 12 verbundenen Führungskurvenfolger 92 gegen eine Führungskurve 94, die im Druckwerk 10 aufgenommen ist und deren Lage zur Feinjustierung verstellbar ist. Der Schieber 90 ist mittels eines Stellelementes 96 bewegbar.For the rotational movement of the impression cylinder 14, another drive train 78 is provided in this embodiment. On the drive axle 80 of the second drive 40 is a drive gear 82 of the second drive 40. The torque axis of the second drive 40 is parallel to the axis of rotation of the impression cylinder 14 and outside of the impression cylinder 14. This drive gear 82 meshes with a second idler gear 84, which in turn an output gear 86 for the impression cylinder 14 meshes. The first and second drives 38, 40 are synchronized with each other. To realize a combined or correlated pivoting movement with distance variation, the rocker 18 of the printing unit 10 on a backdrop 88, in which a slider 90 is received linearly movable. The slider 90 presses a guide cam follower 92 connected to the printing form cylinder 12 against a guide cam 94, which is received in the printing unit 10 and whose position is adjustable for fine adjustment. The slider 90 is movable by means of an actuating element 96.

Die lineare Bewegung des Schiebers 90 führt zum einen zu einer Abstandsvariation der Rotationsachsen des Gegendruckzylinders 14 und des Druckformzylinders 12 und zum anderen aufgrund der Wirkung der Führungskurve auch zu einer Schwenkbewegung des Druckformzylinders 12 um den Gegendruckzylinder 14 (siehe dazu auch die Figur 2).The linear movement of the slider 90 leads to a distance variation of the axes of rotation of the impression cylinder 14 and the plate cylinder 12 and on the other hand due to the action of the guide curve also to a pivotal movement of the plate cylinder 12 about the impression cylinder 14 (see also the FIG. 2 ).

Die Figur 5 ist eine erste Seitenansicht der Ausführungsform eines erfindungsgemäßen Druckwerks 10 der Figur 4 in einer Einstellung für ein kleines Druckformat. Zu sehen sind zunächst der im Druckwerk 10 ortsfeste Gegendruckzylinder 14 und der Druckformzylinder 12, der teilweise von der Farbauftragswalze 16 in dieser Seitenansicht verdeckt ist. Das Stellelement 96 für die Formatverstellung liegt auf der Antriebsseite des Druckwerks 10. Es bewirkt die mit der Abstandsvariation korrelierte Schwenkbewegung der den Druckformzylinder 12 in zwei Punkten aufnehmenden Schwinge 18 um den Gegendruckzylinder 14. Auf der Antriebsseite befindet sich der erste Antriebsdorn 98 zur Verbindung mit dem ersten Antrieb 38, der an der das Druckwerk 10 aufnehmenden Seitenwand 28 aufgenommen ist (siehe Figur 3). Des Weiteren dient der zweite Antriebsdorn 100 der Verbindung mit dem ebenfalls an der steinernen Seitenwand 28 befestigten zweiten Antrieb 40. Nächstliegend zur steinernen Seitenwand 28 weist diese Ausführungsform den Antriebsstrang 64 für die Bewegung des Druckformzylinders 12 auf. Zwischen den Ebenen des Antriebsstrangs 64 und der Schwinge 18 liegt der weitere Antriebsstrang 78 für die Bewegung des Gegendruckzylinders 14.The FIG. 5 is a first side view of the embodiment of a printing unit 10 of the invention FIG. 4 in a setting for a small print format. To see are first of the printing unit 10 fixed impression cylinder 14 and the plate cylinder 12, which is partially covered by the inking roller 16 in this side view. The adjusting element 96 for the format adjustment is on the drive side of the printing unit 10. It causes the correlated with the distance variation pivotal movement of the printing plate cylinder 12 in two points receiving rocker 18 to the impression cylinder 14. On the drive side is the first drive mandrel 98 for connection to the first drive 38, which is received at the printing unit 10 receiving side wall 28 (see FIG. 3 ). Furthermore, the second drive mandrel 100 serves to connect to the second drive 40, which is likewise fastened to the stone side wall 28. Next to the stone side wall 28, this embodiment has the drive train 64 for the movement of the plate cylinder 12. Between the levels of the drive train 64 and the rocker 18 is the other drive train 78 for the movement of the impression cylinder fourteenth

In der Figur 6 ist eine antriebsseitige Ansicht der Ausführungsform eines erfindungsgemäßen Druckwerks 10 der Figur 4 in einer Einstellung für ein kleines Druckformat gezeigt. In dieser Ansicht ist der sich antriebsseitig befindende Antriebsstrang 64 für den Druckformzylinder 12 zu sehen, welcher das erste Antriebszahnrad 68 für den ersten Antrieb 38, das dazu mit dem ersten Koppelarm 74 verbundene erste Zwischenzahnrad 70 und das mit dem zweiten Koppelarm 76 mit dem Zwischenzahnrad 70 verbundene Abtriebszahnrad 72 für den Druckformzylinder 12 umfasst. Der andere Antriebsstrang 78 für den Gegendruckzylinder 14 umfasst das Antriebszahnrad 82, das zweite Zwischenzahnrad 84 und das Abtriebszahnrad 86.In the FIG. 6 is a drive-side view of the embodiment of a printing unit 10 of the invention FIG. 4 shown in a setting for a small print format. In this view, the drive side located there is drive train 64 for the plate cylinder 12, which the first drive gear 68 for the first drive 38, the first coupled to the first coupling arm 74 first intermediate gear 70 and the second coupling arm 76 with the intermediate gear 70th connected output gear 72 for the plate cylinder 12 includes. The other powertrain 78 for the impression cylinder 14 includes the drive gear 82, the second idler gear 84 and the output gear 86.

Die Figur 7 bezieht sich auf eine zweite Seitenansicht der Ausführungsform eines erfindungsgemäßen Druckwerks 10 der Figur 4 in einer Einstellung für ein kleines Druckformat. Zu sehen sind der im Druckwerk 10 ortsfeste Gegendruckzylinder 14 und der Druckformzylinder 12, der teilweise die Farbauftragswalze 16 in dieser Seitenansicht verdeckt. Das Stellelement 96 für die Formatverstellung mittels Schwenkbewegung der Schwinge 18 und korrelierter Variation des Abstands von Druckformzylinder 12 und Gegendruckzylinder 14 liegt auf der Antriebsseite des Druckwerks 10. Auf der Antriebsseite befindet sich der erste Antriebsdorn 98 zur Verbindung mit dem ersten Antrieb 38, der an der das Druckwerk 10 aufnehmenden Seitenwand 28 aufgenommen ist (siehe Figur 3). Des Weiteren dient der zweite Antriebsdorn 100 der Verbindung mit dem ebenfalls an der steinernen Seitenwand 28 befestigten zweiten Antrieb 40. Der Antriebsstrang 64 für die Bewegung des Druckformzylinders 12 befindet sich nächstliegend zur steinernen Seitenwand 28. Zwischen den Ebenen des Antriebsstrangs 64 und der Schwinge 18 liegt der weitere Antriebsstrang 78 für die Bewegung des Gegendruckzylinders 14.The FIG. 7 refers to a second side view of the embodiment of a printing unit 10 of the invention FIG. 4 in a setting for a small print format. To see are in the printing unit 10 stationary impression cylinder 14 and the plate cylinder 12, which partially covers the inking roller 16 in this side view. The adjusting element 96 for the format adjustment by means of pivotal movement of the rocker 18 and correlated variation of the distance of the printing form cylinder 12 and impression cylinder 14 is located on the drive side of the printing unit 10. On the drive side is the first drive mandrel 98 for connection to the first drive 38, the at the printing unit 10 receiving side wall 28 is received (see FIG. 3 ). Furthermore, the second drive mandrel 100 serves to connect to the second drive 40, which is likewise fastened to the stone side wall 28. The drive train 64 for the movement of the plate cylinder 12 is located next to the stone side wall 28. Between the planes of the drive train 64 and the rocker 18 lies the other drive train 78 for the movement of the impression cylinder 14th

Die Figur 8 zeigt in einer bedienseitige Ansicht der bereits unter Bezugnahme auf die Figuren 4 bis 7 beschrieben Ausführungsform eines erfindungsgemäßen Druckwerks 10 in einer Einstellung für ein großes Druckformat (der Druckformzylinder 12 hat einen relativ goßen Durchmesser und eine relativ lange Umfangslänge) die Mechanik zur Realisierung der einzelnen Bewegungen im Druckwerk 10. Auch in dieser Figur 8 ist der Antriebsstrang 64 für die Rotationsbewegung des Druckformzylinders zu sehen. Der Antriebsstrang 64 umfasst das erste Antriebszahnrad 68 für den ersten Antrieb 38, das dazu mit dem ersten Koppelarm 74 verbundene erste Zwischenzahnrad 70 und das mit dem zweiten Koppelarm 76 mit dem Zwischenzahnrad 70 verbundene Abtriebszahnrad 72 für den Druckformzylinder 12. Der andere Antriebsstrang 78 für den Gegendruckzylinder 14 umfasst den aus dem Antriebszahnrad 82, dem zweiten Zwischenzahnrad 84 und dem Abtriebszahnrad 86 bestehenden Zahnräderzug. Bei einer Einstellung für ein großes Druckformat weisen die Rotationsachsen des Druckformzylinders 12 und des Gegendruckzylinders 14 einen relativ großen Abstand auf, gleichzeitig sind die Rotationsachsen des Druckformzylinders 12 und der Farbauftragswalze 16 ebenfalls relativ groß beabstandet. Die Kulisse 88 mit dem linear bewegbaren Schieber 90, der mit dem Stellelement 96 betätigt werden kann, ist verglichen zu ihrer Lage bei einem kleinen Druckformat (siehe auch Figur 4) um den Gegendruckzylinder 14 in von der Farbauftragswalze abgekehrter Richtung geschwenkt.The FIG. 8 shows in a user-side view of the already with reference to the FIGS. 4 to 7 described embodiment of a printing unit 10 according to the invention in a setting for a large print format (the plate cylinder 12 has a relatively large diameter and a relatively long circumferential length) the mechanics for the realization of the individual movements in the printing unit 10. Also in this FIG. 8 is the drive train 64 to see the rotational movement of the plate cylinder. The drive train 64 comprises the first drive gear 68 for the first drive 38, the first intermediate gear 70 connected thereto with the first coupling arm 74 and the output gear 72 connected to the second coupling arm 76 for the forme cylinder 12. The other drive train 78 for the The impression cylinder 14 includes the gear train consisting of the drive gear 82, the second idler gear 84 and the output gear 86. In a setting for a large printing format, the axes of rotation of the plate cylinder 12 and the impression cylinder 14 have a relatively large distance, at the same time the axes of rotation of the plate cylinder 12 and the inking roller 16 are also relative widely spaced. The link 88 with the linearly movable slider 90, which can be operated with the actuator 96 is compared to their location in a small print format (see also FIG. 4 ) is pivoted about the impression cylinder 14 in the direction away from the inking roller direction.

In der Figur 9 ist eine erste Seitenansicht der Ausführungsform eines erfindungsgemäßen Druckwerks 10 der Figur 8 in einer Einstellung für ein großes Druckformat zu sehen. Der ortsfeste Gegendruckzylinder 14 bildet mit dem Druckformzylinder 12 einen in dieser Darstellung verdeckt liegenden Druckspalt. Die Farbauftragswalze 16 wirkt mit dem Druckformzylinder 12 zusammen. Wie in der Figur 5 sind auch hier das Stellelement 96 für die Formatverstellung (mittels Schwinge 18), der erste Antriebsdorn 98 zur Verbindung des Antriebsstrangs 64 mit dem ersten Antrieb 38 und der zweite Antriebsdorn 100 der Verbindung des anderen Antriebsstrangs 78 mit dem zweiten Antrieb 40 auf der Antriebsseite zu sehen. Der erste und der zweite Antrieb 38,40 sind an der das Druckwerk 10 aufnehmenden steinernen Seitenwand 28 angebracht (siehe Figur 3).In the FIG. 9 is a first side view of the embodiment of a printing unit 10 of the invention FIG. 8 to see in a setting for a large print format. The stationary impression cylinder 14 forms with the printing forme cylinder 12 a hidden in this illustration printing gap. The inking roller 16 cooperates with the printing form cylinder 12. Like in the FIG. 5 Here too, the adjusting element 96 for the format adjustment (by means of rocker 18), the first drive mandrel 98 for connecting the drive train 64 to the first drive 38 and the second drive arbor 100 for connecting the other drive train 78 to the second drive 40 can be seen on the drive side , The first and the second drive 38,40 are attached to the printing unit 10 receiving stone side wall 28 (see FIG. 3 ).

Die Figur 10 ist eine antriebsseitige Ansicht der Ausführungsform eines erfindungsgemäßen Druckwerks 10 der Figur 8 in einer Einstellung für ein großes Druckformat. Während die Lage des anderen Antriebsstranges 78 für die Rotationsbewegung des Gegendruckzylinders 14 im Vergleich zur Einstellung für ein kleines Druckformat unverändert ist, ist der gekoppelte Zahnräderzug des Antriebsstranges 64 für die Rotationsbewegung des Druckformzylinders 12 (Antriebszahnrad 68, erstes Zwischenzahnrad 70, Abtriebszahnrad 72, erster Koppelarm 74 und zweiter Koppelarm 76) leicht gestreckt und um den Gegendruckzylinder 14 in von der Farbauftragswalze 16 abgewandter Richtung geschwenkt.The FIG. 10 is a drive-side view of the embodiment of a printing unit 10 of the invention FIG. 8 in a setting for a large print format. While the position of the other drive train 78 for the rotational movement of the impression cylinder 14 is unchanged compared to the setting for a small print format, the coupled gear train of the drive train 64 for the rotational movement of the plate cylinder 12 (drive gear 68, first idler gear 70, output gear 72, first coupling arm 74 and second coupling arm 76) slightly stretched and pivoted about the counter-pressure cylinder 14 in the direction away from the inking roller 16 direction.

Die Figur 11 zeigt eine zweite Seitenansicht der Ausführungsform eines erfindungsgemäßen Druckwerks 10 der Figur 8 in einer Einstellung für ein großes Druckformat. Der ortsfeste Gegendruckzylinder 14 bildet mit dem Druckformzylinder 12 einen in dieser Darstellung verdeckt liegenden Druckspalt. Die hinter dem Druckformzylinder 12 liegende Farbauftragswalze 16 wirkt mit dem Druckformzylinder 12 zusammen. Wie in der Figur 5 sind auch hier das Stellelement 96 für die Formatverstellung (mittels Schwinge 18), der erste Antriebsdorn 98 zur Verbindung des Antriebsstanges 64 mit dem ersten Antrieb 38 und der zweite Antriebsdorn 100 zur Verbindung des anderen Antriebsstranges 78 mit dem zweiten Antrieb 40 auf der Antriebsseite zu erkennen. Der erste und der zweite Antrieb 38,40 sind an der das Druckwerk 10 aufnehmenden steinernen Seitenwand 28 angebracht (siehe Figur 3).The FIG. 11 shows a second side view of the embodiment of a printing unit 10 of the invention FIG. 8 in a setting for a large print format. The stationary impression cylinder 14 forms with the printing forme cylinder 12 a hidden in this illustration printing gap. The inking roller 16 lying behind the printing form cylinder 12 interacts with the printing form cylinder 12 together. Like in the FIG. 5 Here too, the adjusting element 96 for the format adjustment (by means of rocker 18), the first drive mandrel 98 for connecting the drive rod 64 to the first drive 38 and the second drive rod 100 for connecting the other drive train 78 to the second drive 40 can be seen on the drive side , The first and the second drive 38,40 are attached to the printing unit 10 receiving stone side wall 28 (see FIG. 3 ).

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

1010
Druckwerkprinting unit
1212
DruckformzylinderPlate cylinder
1414
GegendruckzylinderImpression cylinder
1616
FarbauftragswalzeInking roller
1818
Schwingewing
2020
Schwenkbewegungpivotal movement
2222
Linearführunglinear guide
2424
Abstandsvariationdistance variation
2626
Gestellmodulrack module
2828
steinerne Seitenwandstone sidewall
3030
AntriebsschnittstelleDrive interface
3232
Aufnahmeelementreceiving element
3434
Standfußprofilstand profile
3636
Nivellierelementleveling
3838
erster Antriebfirst drive
4040
zweiter Antriebsecond drive
4242
Druckmaschinepress
4444
Substratsubstratum
4646
Substratrollesubstrate roll
4848
Zuführteilsupply part
5050
BearbeitungswerkCutting
5252
Auslaufteiloutlet part
5454
Etikettenrollelabel roll
5656
Kammerrakelchambered doctor blade
5858
UV-TrocknungseinrichtungUV drying device
6060
Bahnleitwalzeweb guide
6262
HeißlufttrocknungseinrichtungHot air drying device
6464
Antriebsstrangpowertrain
6666
ZylindermittelachseCylinder center axis
6868
Antriebszahnrad des ersten AntriebsDrive gear of the first drive
7070
erstes Zwischenzahnradfirst intermediate gear
7272
Abtriebszahnrad des DruckformzylindersOutput gear of the plate cylinder
7474
erster Koppelarmfirst coupling arm
7676
zweiter Koppelarmsecond coupling arm
7878
anderer Antriebsstrangother powertrain
8080
Antriebsachse des zweiten AntriebsDrive axle of the second drive
8282
Antriebszahnrad des zweiten AntriebsDrive gear of the second drive
8484
zweites Zwischenzahnradsecond intermediate gear
8686
Abtriebszahnrad des GegendruckzylindersOutput gear of the impression cylinder
8888
Kulissescenery
9090
Schieberpusher
9292
FührungskurvenfolgerGuide cam follower
9494
Führungskurveguide curve
9696
Stellelementactuator
9898
erster Antriebsdorn für ersten Antriebfirst drive pin for first drive
100100
zweiter Antriebsdorn für zweiten Antriebsecond drive mandrel for second drive

Claims (15)

  1. Printing unit (10) including an impression cylinder (14) and a printing form cylinder (12) that is arranged to swivel about the impression cylinder (14) about a swivel axis extending parallel to the axis of rotation of the impression cylinder (14), with a distance between the axes of rotation of the printing form cylinder (12) and the impression cylinder (14) being variable and the printing form cylinder (12) and the impression cylinder (14) being engageable with each other to form a printing nip in which a substrate (44) is printable, and including a first stationary drive (38) for driving a rotary movement of the printing form cylinder (12),
    characterized in
    that the first drive (38) is connected to the printing form cylinder (12) by a drive train (64) that includes at least one component having a torque axis passing through the impression cylinder (14).
  2. Printing unit (10) according to Claim 1,
    characterized in
    that the torque axis of the first drive (38) and/or the swivel axis pass through the impression cylinder (14).
  3. Printing unit (10) according to Claim 1 or 2,
    characterized in
    that the printing unit (10) is designed to carry out a flexographic printing process or to carry out a letterpress process or to carry out a gravure process.
  4. Printing unit (10) according to one of the preceding claims,
    characterized in
    that the first drive (38) is connected to the printing form cylinder (12) by a train of gears coupled to each other by arms.
  5. Printing unit (10) according to one of the preceding claims,
    characterized in
    that to carry out a coupled swivelling movement (20) and to vary the distance (24) of the printing form cylinder (12) a slide (90) is provided that is arranged to be movable in a slotted link (88) arranged to swivel about the swivel axis and contacts a guide cam follower (92) connected to the printing form cylinder (12) against a stationary or adjustable guide cam (94).
  6. Printing unit (10) according to one of the preceding claims,
    characterized in
    that the swivel axis of the printing form cylinder (12) extends along the central axis (66) of the impression cylinder (14) and/or that the impression cylinder (14) is arranged to be stationary in the printing unit (10).
  7. Printing unit (10) according to one of the preceding claims,
    characterized in
    that the impression cylinder (14) is connected to a second stationary drive (40) by another drive train (78).
  8. Printing unit (10) according to one of the preceding claims,
    characterized in
    that either the printing form cylinder (12) is releasably received in the printing unit (10) and printing form cylinders (12) of different diameters are receivable in the printing unit (10) or intermediate sleeves of different diameter are receivable on the printing form cylinder (12).
  9. Printing press (42),
    characterized by
    at least one printing unit (10) according to one of the preceding claims.
  10. Printing press (42) according to Claim 9 for printing a web-shaped substrate (44),
    characterized in
    that the printing press (42) includes transport means for moving the web-shaped substrate (44) through the printing press (42).
  11. Printing press (42) according to one of the preceding claims 9 or 10,
    characterized in
    that the printing press (42) includes a plurality of additional printing units (10), each of which operates in accordance with a different printing process, wherein the different printing processes may be flexographic printing, gravure, letterpress printing, relief printing, direct or indirect planographic printing, lithographic printing, offset printing, waterless offset printing, cold-foil stamping, hot-foil stamping, ink jet printing, liquid toner printing, screen printing, or xerographic printing.
  12. Printing press (42) according to one of the preceding claims 9 to 11,
    characterized in
    that the printing unit (10) is received in a support element that is at least partially made of rock by means of a bearing element.
  13. Printing press (42) according to one of the preceding claims 9 to 12,
    characterized in
    that the printing press (42) is of in-line and/or modular construction.
  14. Printing press (42) according to one of the preceding claims 9 to 13,
    characterized in
    that the printing press (42) includes receiving elements (32) for selectively receiving modules for different printing processes or for treating the substrate (44) are receivable in a releaseably connectible way.
  15. Method of producing labels or self-adhesive labels in a printing press (42),
    characterized in
    that a printing press (42) as described in one of the preceding claims 9 to 14 is operated and a web-shaped substrate (44) suitable for producing labels or self-adhesive labels is processed.
EP09100106A 2008-03-10 2009-02-11 Printing unit and press with format change Not-in-force EP2103429B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008013315A DE102008013315A1 (en) 2008-03-10 2008-03-10 Printing unit and printing press

Publications (2)

Publication Number Publication Date
EP2103429A1 EP2103429A1 (en) 2009-09-23
EP2103429B1 true EP2103429B1 (en) 2012-12-19

Family

ID=40717031

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Country Status (5)

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US (1) US8499691B2 (en)
EP (1) EP2103429B1 (en)
CN (1) CN101531088B (en)
DE (1) DE102008013315A1 (en)
DK (1) DK2103429T3 (en)

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DE102016215986A1 (en) 2016-08-25 2018-03-01 Gallus Druckmaschinen Gmbh Machining plant and label printing machine with such a processing plant

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Also Published As

Publication number Publication date
DE102008013315A1 (en) 2009-09-17
US8499691B2 (en) 2013-08-06
US20090223394A1 (en) 2009-09-10
EP2103429A1 (en) 2009-09-23
CN101531088A (en) 2009-09-16
DK2103429T3 (en) 2013-03-11
CN101531088B (en) 2012-05-09

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