EP0338278A2 - Rotary printing press with a continuous printing band - Google Patents

Rotary printing press with a continuous printing band Download PDF

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Publication number
EP0338278A2
EP0338278A2 EP89105155A EP89105155A EP0338278A2 EP 0338278 A2 EP0338278 A2 EP 0338278A2 EP 89105155 A EP89105155 A EP 89105155A EP 89105155 A EP89105155 A EP 89105155A EP 0338278 A2 EP0338278 A2 EP 0338278A2
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EP
European Patent Office
Prior art keywords
rollers
rotary printing
impression cylinder
printing machine
cliché
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89105155A
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German (de)
French (fr)
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EP0338278B1 (en
EP0338278A3 (en
Inventor
Dieter Rogge
Wilfried Wallmann
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Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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Publication of EP0338278A2 publication Critical patent/EP0338278A2/en
Publication of EP0338278A3 publication Critical patent/EP0338278A3/en
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Publication of EP0338278B1 publication Critical patent/EP0338278B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/007—Use of printing belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/48—Endless printing belt for other than selective or progressive printing

Definitions

  • the invention relates to a rotary printing press with one or more impression cylinders and with several printing units, each with an inking unit and an endless cliché belt, which runs over several rollers, one of which can be adjusted to the associated impression cylinder.
  • the endless cliché belt runs over a master cylinder which can be adjusted to the impression cylinder and a guide cylinder which is adjustable in order to be able to change the format sizes by placing longer or shorter cliché belts.
  • a rotary printing press is provided with several printing units, it is desirable that the distance from the ink cylinder to the impression cylinder measured on the cliché tape is always the same, in order to avoid dirty printing due to different drying of the inks.
  • the object of the invention is therefore to provide a rotary printing machine of the type specified at the outset, in which the distances between the inking roller and the impression cylinder measured on the cliché belts are always the same.
  • this object is achieved in that the cliché belt of each printing unit runs over four rollers which are mounted in side view in the corners of a square or parallelogram and of which two diametrically opposed rollers can be set against the inking unit or an image carrier web and against the impression cylinder and the other two diametrically opposite rollers are mounted in guides and can be moved towards and away from one another by drives.
  • the respective length of the printing plate section between the roller set on the inking roller and the roller set on the impression cylinder is always the same, so that the colors are applied with the same amount of drying.
  • the center lines of the bearings of the rollers in side view span a parallelogram with sides of the same length or of different lengths.
  • rollers are mounted in lateral, rigidly connected bearing plates which are non-rotatable with respect to the printing unit frame or the printing unit carriage, but are laterally displaceable.
  • a device which laterally adjusts the bearing plates can be provided for simple adjustment of the side register.
  • a gear wheel is arranged axially displaceably but non-rotatably on a shaft journal of one of the rollers, with the helical toothing one or the counter-pressure cylinder driving the central gear that a bush fixed on a frame-fixed pin but non-rotatably but axially displaceably and connected with a finger or a washer which engages in an annular groove of the hub of the gear, and that an adjusting device for axially displacing the bushing is provided is. If the bushing is adjusted in the axial direction by the adjusting device, the longitudinal register can be adjusted because a displacement of the gear wheel driving the roller on the shaft journal causes the roller to be turned forward or backward accordingly.
  • a format wheel is expediently rotatably but axially immovably mounted on the bushing, which meshes with the central wheel and the ink cylinder drive gearwheel and whose hub carries the disk which engages in the annular groove of the hub of the gearwheel.
  • a printing press with a ge in a frame 2 stored impression cylinder 1 is shown, the total of six printing units 3 are assigned.
  • the impression cylinder 1 serves as a common impression cylinder for all printing units 3.
  • Fig. 2 also shows a frame 2 ', which carries a total of six printing units 3'.
  • each printing unit 3 ' here is assigned a separate impression cylinder 1'.
  • Each printing unit 3 or 3 uses a plate 4 as a pressure transmitter, which loops around a total of four rollers, namely an upper and a lower tensioning roller 5, 6 and two printing rollers 7, 8.
  • all Rollers 5 to 8 are mounted in two side plates 9 and 10 which are arranged parallel and at a distance from one another.
  • the rigid connection between the plates 9 and 10 takes place via four round traverses 11.
  • pins 12 and 13 the two plates 9 and 10 are non-rotatable but laterally displaceable in the side walls 15, 16 of the format cylinder slide 17.
  • a bushing 18 is firmly placed, in which the adjusting member 19 engages for the motorized side register adjustment device, not shown.
  • a bushing 20 is non-rotatably but laterally displaceable. This side shift occurs via an actuator 21 of a motor-operated longitudinal, not shown register adjustment device.
  • the format wheel 23 is placed on the bushing 20 via a bearing 22. This format wheel 23 meshes with the central wheel 24, the diameter of which corresponds to the diameter of the impression cylinder 1 and is firmly connected to the latter.
  • the toothing of the central wheel is helical.
  • a further gear wheel 25 meshes with the central wheel 24.
  • This gear wheel 25 has an attachment 26 provided with an annular groove, a disk 27 engaging in the annular groove, which is firmly connected to the format wheel 23.
  • the actuator 21 is used for the longitudinal register adjustment in that it also adjusts the format wheel 23 with the bushing 20 and with this the gear wheel 25 in the axial direction, which is non-rotatably but axially displaceably arranged on the shaft journal 28 of the pressure roller 7. If the gear 25 is displaced in the axial direction, this gives the pressure roller a rotation because the gear 25 is in engagement with the central gear 24 by means of helical teeth.
  • lateral dots on the cliché band 4 indicate that this band is toothed on its back.
  • the tensioning rollers 5 and 6 can consequently be shifted by the same amounts relative to one another. This is necessary for tensioning a cliché tape or to ensure the use of cliché tapes of different lengths.

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  • Rotary Presses (AREA)

Abstract

Eine Rotationsdruckmaschine besitzt einen oder mehrere Gegendruckzylinder (1) und mehrere Druckwerke mit jeweils einem Farbwerk und einem endlosen Klischeeband (4), das über mehrere Walzen (5, 6, 7, 8) läuft von denen eine (7) an den zugehörigen Gegendruckzylinder (1) anstellbar ist. Damit die auf den Klischeebändern gemessenen Abstände zwischen der Farbwalze und dem Gegendruckzylinder immer gleich sind, läuft das Klischeeband (4) eines jeden Druckwerks über vier Walzen (5, 6, 7, 8), die in Seitenansicht in den Ecken eines Quadrats oder eines Parallelogramms gelagert sind und von denen zwei diametral gegenüberliegende Walzen (7, 8) an das Farbwerk bzw. eine Bildträgerbahn und an den Gegendruckzylinder (1) anstellbar und die anderen beiden diametral gegenüberliegenden Walzen (5, 6) in Führungen gelagerte und durch Antriebe aufeinander zu und voneinander weg bewegbare Spannwalzen sind.A rotary printing press has one or more impression cylinders (1) and several printing units, each with an inking unit and an endless cliché belt (4) that runs over several rollers (5, 6, 7, 8), one of which (7) on the associated impression cylinder ( 1) is adjustable. To ensure that the distances between the inking roller and the impression cylinder measured on the cliché belts are always the same, the cliché belt (4) of each printing unit runs over four rollers (5, 6, 7, 8), which are viewed from the side in the corners of a square or a parallelogram are stored and of which two diametrically opposed rollers (7, 8) can be adjusted to the inking unit or an image carrier web and to the impression cylinder (1) and the other two diametrically opposed rollers (5, 6) are mounted in guides and driven towards one another by drives are tensioning rollers movable away from each other.

Description

Die Erfindung betrifft eine Rotationsdruckmaschine mit einem oder mehreren Gegendruckzylindern und mit mehreren Druckwerken mit jeweils einem Farbwerk und einem endlosen Klischeeband, das über mehrere Walzen läuft, von denen eine an den zugehörigen Gegendruckzylinder anstellbar ist.The invention relates to a rotary printing press with one or more impression cylinders and with several printing units, each with an inking unit and an endless cliché belt, which runs over several rollers, one of which can be adjusted to the associated impression cylinder.

Bei einer aus der DE-PS 448 987 bekannten Rotationsdruckmaschine dieser Art läuft das endlose Klischeeband über einen Hauptzylin­der, der an den Gegendruckzylinder anstellbar ist, und einen Füh­rungszylinder, der verstellbar ist, um durch Auflegen längerer oder kürzerer Klischeebänder die Formatgrößen verändern zu kön­nen.In a rotary printing press of this type known from DE-PS 448 987, the endless cliché belt runs over a master cylinder which can be adjusted to the impression cylinder and a guide cylinder which is adjustable in order to be able to change the format sizes by placing longer or shorter cliché belts.

Ist eine Rotationsdruckmaschine mit mehreren Druckwerken ver­sehen, ist es wünschenswert, daß der auf dem Klischeeband ge­messene Abstand von dem Farbzylinder zu dem Gegendruckzylinder immer gleich ist, um aufgrund einer unterschiedlichen Antrock­nung der Farben einen unsauberen Druck zu vermeiden.If a rotary printing press is provided with several printing units, it is desirable that the distance from the ink cylinder to the impression cylinder measured on the cliché tape is always the same, in order to avoid dirty printing due to different drying of the inks.

Aufgabe der Erfindung ist es daher, eine Rotationsdruckmaschine der eingangs angegebenen Art zu schaffen, bei der die auf den Klischeebändern gemessenen Abstände zwischen der Farbwalze und dem Gegendruckzylinder immer gleich sind.The object of the invention is therefore to provide a rotary printing machine of the type specified at the outset, in which the distances between the inking roller and the impression cylinder measured on the cliché belts are always the same.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß das Klischeeband eines jeden Druckwerks über vier Walzen läuft, die in Seitenansicht in den Ecken eines Quadrats oder Parallelo­gramms gelagert sind und von denen zwei diametral gegenüber­liegende Walzen an das Farbwerk bzw. eine Bildträgerbahn und an den Gegendruckzylinder anstellbar und die anderen beiden diametral gegenüberliegenden Walzen in Führungen gelagerte und durch Antriebe aufeinander zu und voneinander weg bewegbare Spannwalzen sind. Bei der erfindungsgemäßen Rotationsdruck­maschine ist sichergestellt, daß die jeweilige Länge des Klischeebandabschnitts zwischen der an die Farbwalze angestell­ten Walze und der an den Gegendruckzylinder angestellten Walze immer gleich ist, so daß die Farben mit gleicher Antrocknung auf­getragen werden.According to the invention, this object is achieved in that the cliché belt of each printing unit runs over four rollers which are mounted in side view in the corners of a square or parallelogram and of which two diametrically opposed rollers can be set against the inking unit or an image carrier web and against the impression cylinder and the other two diametrically opposite rollers are mounted in guides and can be moved towards and away from one another by drives. In the rotary printing machine according to the invention, it is ensured that the respective length of the printing plate section between the roller set on the inking roller and the roller set on the impression cylinder is always the same, so that the colors are applied with the same amount of drying.

Weiterhin ist es bei der erfindungsgemäßen Druckmaschine mög­lich, die Druckwalzen und die Spannwalzen, über die die Klischee­bänder laufen, in ihrem Durchmesser relativ klein zu halten.Furthermore, in the printing machine according to the invention it is possible to keep the diameter of the printing rollers and the tensioning rollers over which the plate belts run relatively small.

Zweckmäßigerweise spannen die Mittellinien der Lager der Walzen in Seitenansicht ein Parallelogramm mit gleichlangen oder unter­schiedlich langen Seiten auf.Appropriately, the center lines of the bearings of the rollers in side view span a parallelogram with sides of the same length or of different lengths.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, daß die Walzen in seitlichen, starr miteinander verbundenen Lagerplatten gelagert sind, die in bezug auf den Druckwerksrahmen bzw. den Druckwerksschlitten undrehbar, aber seitlich verschiebbar sind. Zur einfachen Einstellung des Seitenpassers kann eine die Lager­platten seitlich verstellende Einrichtung vorgesehen sein.In a further embodiment of the invention it is provided that the rollers are mounted in lateral, rigidly connected bearing plates which are non-rotatable with respect to the printing unit frame or the printing unit carriage, but are laterally displaceable. A device which laterally adjusts the bearing plates can be provided for simple adjustment of the side register.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, daß auf einem Wellenzapfen einer der Walzen ein Zahnrad axialverschieb­lich aber undrehbar angeordnet ist, daß mit der Schrägverzahnung eines den oder die Gegendruckzylinder antreibenden Zentralrades kämmt, daß auf einem gestellfesten Zapfen eine Buchse undrehbar aber axial verschieblich geführt und mit einem Finger oder einer Scheibe verbunden ist, die in eine Ringnut der Nabe des Zahn­rades greift, und daß eine Stelleinrichtung zur Axialverschie­bung der Buchse vorgesehen ist. Wird die Buchse in axialer Rich­tung durch die Stelleinrichtung verstellt, kann das Längsre­gister verstellt werden, weil eine Verschiebung des die Walze antreibenden Zahnrades auf dem Wellenzapfen eine entsprechende Vor- oder Rückdrehung der Walze bewirkt.In a further embodiment of the invention it is provided that a gear wheel is arranged axially displaceably but non-rotatably on a shaft journal of one of the rollers, with the helical toothing one or the counter-pressure cylinder driving the central gear that a bush fixed on a frame-fixed pin but non-rotatably but axially displaceably and connected with a finger or a washer which engages in an annular groove of the hub of the gear, and that an adjusting device for axially displacing the bushing is provided is. If the bushing is adjusted in the axial direction by the adjusting device, the longitudinal register can be adjusted because a displacement of the gear wheel driving the roller on the shaft journal causes the roller to be turned forward or backward accordingly.

Zweckmäßigerweise ist auf der Buchse ein Formatrad drehbar aber axial unverschieblich gelagert, das mit dem Zentralrad und dem Farbzylinderantriebszahnrad kämmt und dessen Nabe die Scheibe trägt, die in die Ringnut der Nabe des Zahnrades greift.A format wheel is expediently rotatably but axially immovably mounted on the bushing, which meshes with the central wheel and the ink cylinder drive gearwheel and whose hub carries the disk which engages in the annular groove of the hub of the gearwheel.

Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnung näher erläutert. In dieser zeigt

  • Fig. 1 eine Druckmaschine mit einem zentralen Gegendruck­zylinder und mehreren über dessen Umfang verteilt angeordneten Druckwerken in schematischer Seiten­ansicht,
  • Fig. 2 eine Druckmaschine mit entsprechend der Zahl von Farbwerken vorgesehenen Gegendruckzylindern in schematischer Seitenansicht,
  • Fig. 3 eines der in den Fig. 1 und 2 eingesetzten Band­druckwerke in vergrößerter Seitenansicht,
  • Fig. 4 einen Schnitt durch durch das Druckwerk längs der Linie IV-IV in Fig. 3 und
  • Fig. 5 eine Ansicht des Druckwerks in Richtung des Pfeils V in Fig. 3 im Hinblick auf die Anordnung der Ver­stellspindeln der beiden Spannzylinder.
Embodiments of the invention are explained in more detail below with reference to the drawing. In this shows
  • 1 is a schematic side view of a printing press with a central impression cylinder and a plurality of printing units distributed over its circumference,
  • 2 is a schematic side view of a printing press with impression cylinders provided corresponding to the number of inking units,
  • 3 shows one of the tape printing units used in FIGS. 1 and 2 in an enlarged side view,
  • Fig. 4 shows a section through the printing unit along the line IV-IV in Fig. 3 and
  • Fig. 5 is a view of the printing unit in the direction of arrow V in Fig. 3 with regard to the arrangement of the adjusting spindles of the two clamping cylinders.

In Fig. 1 ist eine Druckmaschine mit einem in einem Gestell 2 ge lagerten Gegendruckzylinder 1 dargestellt, dem insgesamt sechs Druckwerke 3 zugeordnet sind.In Fig. 1, a printing press with a ge in a frame 2 stored impression cylinder 1 is shown, the total of six printing units 3 are assigned.

Der Gegendruckzylinder 1 dient in diesem Fall allen Druckwerken 3 als gemeinsamer Gegendruckzylinder.In this case, the impression cylinder 1 serves as a common impression cylinder for all printing units 3.

Die Fig. 2 zeigt ebenfalls einen Rahmen 2′, der insgesamt sechs Druckwerke 3′ trägt. Im Gegensatz zu der Ausführung nach Fig. 1 sind hier jedem Druckwerk 3′ separate Gegendruckzylinder 1′ zu­geordnet.Fig. 2 also shows a frame 2 ', which carries a total of six printing units 3'. In contrast to the embodiment according to FIG. 1, each printing unit 3 'here is assigned a separate impression cylinder 1'.

Jedes Druckwerk 3 bzw. 3′ verwendet als Drucküberträger ein Klischeeband 4, welches insgesamt vier Walzen umschlingt, näm­lich eine obere und eine untere Spannwalze 5, 6 sowie zwei Druck­walzen 7, 8. Wie insbesondere aus der Fig. 4 zu erkennen ist, sind alle Walzen 5 bis 8 in zwei mit Abstand parallel zueinander angeordneten Seitenplatten 9 und 10 gelagert. Die starre Verbin­dung zwischen den Platten 9 und 10 erfolgt über vier Rundtraver­sen 11. Mittels Zapfen 12 und 13 lagern die beiden Platten 9 und 10 nicht drehbar aber seitenverschieblich in den Seitenwänden 15, 16 des Formatzylinderschlittens 17. Auf das nach außen aus der Wand 15 des Formatzylinderschlittens 17 herausragende Ende des Zapfens 12 ist eine Buchse 18 fest aufgesetzt, in die das Verstellglied 19 für die nicht dargestellte motorische Seiten­passerverstelleinrichtung eingreift. Auf das aus der linken Wand 16 des Formatzylinderschlittens 17 hervorragende Ende des Zap­fens 13 ist eine Buchse 20 unverdrehbar aber seitenverschieblich aufgesetzt. Diese Seitenverschiebung geschieht über ein Stell­glied 21 einer nicht dargestellten motorisch betriebenen Längs­ registerverstelleinrichtung. Über ein Lager 22 ist auf die Buchse 20 das Formatrad 23 aufgesetzt. Dieses Formatrad 23 kämmt mit dem Zentralrad 24, dessen Durchmesser dem Durchmesser des Gegendruckzylinders 1 entspricht und mit diesem fest verbunden ist. Die Verzahnung des Zentralrades ist eine Schrägverzahnung. Neben dem Formatrad 23 kämmt noch ein weiteres Zahnrad 25 mit dem Zentralrad 24. Dieses Zahnrad 25 trägt einen mit einer Ring­nut versehenen Ansatz 26, wobei in die Ringnut eine Scheibe 27 eingreift, die fest mit dem Formatrad 23 verbunden ist. Das Stellglied 21 dient dadurch der Längsregisterverstellung, daß es mit der Buchse 20 auch das Formatrad 23 und mit diesem das Zahn­rad 25 in axialer Richtung verstellt, das undrehbar aber axial verschieblich auf dem Wellenzapfen 28 der Druckwalze 7 angeord­net ist. Wird das Zahnrad 25 in axialer Richtung verschoben, so erteilt dieses der Druckwalze eine Drehung, weil das Zahnrad 25 durch eine Schrägverzahnung im Eingriff mit dem Zentralrad 24 ist.Each printing unit 3 or 3 'uses a plate 4 as a pressure transmitter, which loops around a total of four rollers, namely an upper and a lower tensioning roller 5, 6 and two printing rollers 7, 8. As can be seen in particular from FIG. 4, all Rollers 5 to 8 are mounted in two side plates 9 and 10 which are arranged parallel and at a distance from one another. The rigid connection between the plates 9 and 10 takes place via four round traverses 11. By means of pins 12 and 13, the two plates 9 and 10 are non-rotatable but laterally displaceable in the side walls 15, 16 of the format cylinder slide 17. On the outside from the wall 15 of the Format cylinder carriage 17 projecting end of the pin 12, a bushing 18 is firmly placed, in which the adjusting member 19 engages for the motorized side register adjustment device, not shown. On the end of the pin 13 projecting from the left wall 16 of the format cylinder slide 17, a bushing 20 is non-rotatably but laterally displaceable. This side shift occurs via an actuator 21 of a motor-operated longitudinal, not shown register adjustment device. The format wheel 23 is placed on the bushing 20 via a bearing 22. This format wheel 23 meshes with the central wheel 24, the diameter of which corresponds to the diameter of the impression cylinder 1 and is firmly connected to the latter. The toothing of the central wheel is helical. In addition to the format wheel 23, a further gear wheel 25 meshes with the central wheel 24. This gear wheel 25 has an attachment 26 provided with an annular groove, a disk 27 engaging in the annular groove, which is firmly connected to the format wheel 23. The actuator 21 is used for the longitudinal register adjustment in that it also adjusts the format wheel 23 with the bushing 20 and with this the gear wheel 25 in the axial direction, which is non-rotatably but axially displaceably arranged on the shaft journal 28 of the pressure roller 7. If the gear 25 is displaced in the axial direction, this gives the pressure roller a rotation because the gear 25 is in engagement with the central gear 24 by means of helical teeth.

In der Fig. 4 deuten seitliche Punkte auf dem Klischeeband 4 darauf hin, daß dieses Band auf seiner Rückseite verzahnt ist.4, lateral dots on the cliché band 4 indicate that this band is toothed on its back.

Um zu erreichen, daß die beiden Spannwalzen 5 und 6 gegeneinan­der verstellt werden können, sind ihre Achszapfen 29 in Gleit­stücken 30 gelagert, welche in Ausnehmungen 31 der Platten 9 und 10 geführt sind. Die in einer Platte 9 bzw. 10 einander gegen­überliegenden Schlitten 30 tragen Stellmuttern 32, in die Gewindespindeln 33 und 34 eingreifen (siehe Fig. 3). Die Gewinde­spindeln 33 und 34 haben dabei gegenläufiges Gewinde. Die einan­der zugewandten Enden der Gewindespindeln 33 und 34 sind über Muffenstücke 35 mit einer Welle 36 verbunden, die in einem mit der Platte 9 bzw. 10 verbundenen Lagerbock 37 gelagert sind. Mit diesem Lagerbock 37 ist ein Winkel 38 verschraubt, der einen Motor 39 trägt. Das Ritzel 40 dieses Motors 39 kämmt mit einem Zahnrad 41, das mit der Welle 36 fest verbunden ist (Fig. 5).In order to ensure that the two tensioning rollers 5 and 6 can be adjusted relative to one another, their axle journals 29 are mounted in sliding pieces 30 which are guided in recesses 31 in the plates 9 and 10. The carriages 30 lying opposite one another in a plate 9 or 10 carry adjusting nuts 32 into which threaded spindles 33 and 34 engage (see FIG. 3). The threaded spindles 33 and 34 have opposite threads. The mutually facing ends of the threaded spindles 33 and 34 are connected via sleeve pieces 35 to a shaft 36 which are mounted in a bearing block 37 connected to the plate 9 and 10, respectively. An angle 38, which carries a motor 39, is screwed to this bearing block 37. The pinion 40 of this motor 39 meshes with a gear 41 which is fixedly connected to the shaft 36 (FIG. 5).

Durch Einschalten des Motors 39 können demzufolge die Spannwal­zen 5 und 6 um gleiche Beträge gegeneinander verschoben werden. Dies ist erforderlich zum Spannen eines Klischeebandes bzw. um den Einsatz verschieden langer Klischeebänder zu gewährleisten.By switching on the motor 39, the tensioning rollers 5 and 6 can consequently be shifted by the same amounts relative to one another. This is necessary for tensioning a cliché tape or to ensure the use of cliché tapes of different lengths.

Claims (6)

1. Rotationsdruckmaschine mit einem oder mehreren Gegendruck­zylindern und mit mehreren Druckwerken mit jeweils einem Farbwerk und einem endlosen Klischeeband, das über mehrere Walzen läuft, von denen eine an den zugehörigen Gegendruck­zylinder anstellbar ist,
dadurch gekennzeichnet,
daß das Klischeeband (4) eines jeden Druckwerks (3, 3′) über vier Walzen (5, 6, 7, 8) läuft, die in Seitenansicht in den Ecken eines Quadrats oder eines Parallelogramms ge­lagert sind und von denen zwei diametral gegenüberliegende Walzen (7, 8) an das Farbwerk bzw. eine Bildträgerbahn und an den Gegendruckzylinder (1, 1′) anstellbar und die andere­ren beiden diametral gegenüberliegenden Walzen (5, 6) in Führungen gelagerte und durch Antriebe aufeinander zu und voneinander weg bewegbare Spannwalzen sind.1. Rotary printing machine with one or more impression cylinders and with several printing units, each with an inking unit and an endless cliché belt that runs over several rollers, one of which can be adjusted to the associated impression cylinder,
characterized,
that the cliché belt (4) of each printing unit (3, 3 ') runs over four rollers (5, 6, 7, 8), which are mounted in side view in the corners of a square or a parallelogram and of which two diametrically opposite rollers ( 7, 8) on the inking unit or an image carrier web and on the impression cylinder (1, 1 ') can be adjusted and the other two diametrically opposite rollers (5, 6) are mounted in guides and can be moved towards and away from one another by drives. 2. Rotationsdruckmaschine nach Anspruch 1, dadurch gekennzeich­net, daß die Mittellinien der Lager der Walzen (5 bis 8) in Seitenansicht ein Parallelogramm mit gleichlangen oder unterschiedlich langen Seiten aufspannen.2. Rotary printing machine according to claim 1, characterized in that the center lines of the bearings of the rollers (5 to 8) in side view span a parallelogram with sides of the same length or different lengths. 3. Rotationsdruckmaschine nach Anspruch 1 oder 2, dadurch ge­kennzeichnet, daß die Walzen in seitlichen, starr miteinan­der verbundenen Lagerplatten (9, 10) gelagert sind, die in bezug auf den Druckwerksrahmen bzw. den Druckwerksschlitten undrehbar, aber seitlich verschiebbar sind.3. Rotary printing machine according to claim 1 or 2, characterized in that the rollers are mounted in lateral, rigidly connected bearing plates (9, 10) which are non-rotatable with respect to the printing unit frame or the printing unit carriage, but are laterally displaceable. 4. Rotationsdruckmaschine nach Anspruch 3, dadurch gekennzeich­net, daß zur Einstellung des Seitenpassers eine die Lager­platten (9, 10) seitlich verstellende Einrichtung (18, 19) vorgesehen ist.4. Rotary printing machine according to claim 3, characterized in that a bearing plate (9, 10) laterally adjusting device (18, 19) is provided for adjusting the side register. 5. Rotationsdruckmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß auf einem Wellenzapfen (28) einer der Walzen (7) ein Zahnrad (25) axial verschieblich, aber undrehbar angeordnet ist, das mit der Schrägverzahnung eines den oder die Gegendruckzylinder antreibenden Zentral­rades (24) kämmt, das auf einem gestellfesten Zapfen (13) eine Buchse (20) undrehbar aber axial verschieblich geführt und mit einem Finger oder einer Scheibe (27) verbunden ist, die in eine Ringnut der Nabe (26) des Zahnrades (25) greift, und das eine Stelleinrichtung (21) zur Axialver­schiebung der Buchse (20) vorgesehen ist.5. Rotary printing machine according to one of claims 1 to 4, characterized in that on a shaft journal (28) one of the rollers (7) a gear (25) is axially displaceable but non-rotatably arranged, which drives the one or the impression cylinder with the helical teeth Central wheel (24) meshes, a bush (20) is rotatably but axially displaceably guided on a pin (13) fixed to the frame and is connected with a finger or a disk (27) which is in an annular groove of the hub (26) of the gear (25 ) engages, and that an adjusting device (21) for the axial displacement of the bushing (20) is provided. 6. Rotationsdruckmaschine nach Anspruch 5, dadurch gekennzeich­net, daß auf der Buchse (20) ein Formatrad (23) drehbar aber axial unverschieblich gelagert ist, das mit dem Zentralrad (24) und dem Farbzylinderantriebszahnrad kämmt und dessen Nabe die Scheibe (27) trägt, die in die Ringnut der Nabe des Zahnrades (25) greift.6. Rotary printing machine according to claim 5, characterized in that on the bushing (20) a format wheel (23) is rotatably but axially immovably mounted, which meshes with the central wheel (24) and the ink cylinder drive gear and whose hub carries the disc (27), which engages in the annular groove of the hub of the gear (25).
EP89105155A 1988-04-19 1989-03-22 Rotary printing press with a continuous printing band Expired - Lifetime EP0338278B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813112 1988-04-19
DE3813112 1988-04-19

Publications (3)

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EP0338278A2 true EP0338278A2 (en) 1989-10-25
EP0338278A3 EP0338278A3 (en) 1990-01-03
EP0338278B1 EP0338278B1 (en) 1993-01-13

Family

ID=6352382

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Application Number Title Priority Date Filing Date
EP89105155A Expired - Lifetime EP0338278B1 (en) 1988-04-19 1989-03-22 Rotary printing press with a continuous printing band

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US (1) US5009157A (en)
EP (1) EP0338278B1 (en)
JP (1) JPH01316267A (en)
DE (1) DE58903255D1 (en)

Cited By (2)

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DE4411213A1 (en) * 1994-03-31 1995-10-05 Abb Patent Gmbh Printing machine for surfaces e.g. of electrical connection equipment
WO2010042470A1 (en) 2008-10-10 2010-04-15 The Procter & Gamble Company Absorbent articles having distinct graphics and apparatus and method for printing such absorbent articles

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FR2685384A1 (en) * 1991-12-18 1993-06-25 Snecma FUEL SUPPLY SYSTEM FOR INJECTORS OF A TURBOMACHINE.
US5538601A (en) * 1995-09-14 1996-07-23 Elcorsy Inc. Electrocoagulation printing and apparatus
GB2321876B (en) * 1996-08-30 2000-07-05 Gregson Dominic In-line belt type printing apparatus
US6176181B1 (en) * 1999-08-20 2001-01-23 Paper Converting Machine Company Deck configuration for a printing press
US6892639B2 (en) 2001-04-05 2005-05-17 Paper Converting Machine Co. Flexographic printing press with integrated dryer
US20040143231A1 (en) * 2003-01-21 2004-07-22 The Procter & Gamble Company Absorbent product containing absorbent articles each having different graphic
US8776683B2 (en) * 2009-06-02 2014-07-15 The Procter & Gamble Company Process for manufacturing absorbent products having customized graphics
US8960086B2 (en) * 2009-06-26 2015-02-24 The Procter & Gamble Company Systems and methods for varying the repeat pitch distance of a substrate for use with absorbent articles

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DE448987C (en) * 1924-01-05 1927-09-01 Gustav Fischer Rotary printing machine in which the image carrier is an endless belt that takes up the images for gravure, flat or letterpress
DE1786507A1 (en) * 1967-06-30 1973-01-04 Midland Ross Corp ROTARY PRINTING MACHINE WITH ENDLESS PRINTING BAND
US3835775A (en) * 1972-10-10 1974-09-17 R Benton Gravure printing press with endless printing belts
GB2102733A (en) * 1981-05-30 1983-02-09 Cobden Chadwick Ltd Printing presses

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US2788738A (en) * 1950-08-03 1957-04-16 Robert W Wood Printing press for printing newspapers and the like
CA1144420A (en) * 1980-12-08 1983-04-12 Charles Aaron Flexographic belt printing press

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
DE448987C (en) * 1924-01-05 1927-09-01 Gustav Fischer Rotary printing machine in which the image carrier is an endless belt that takes up the images for gravure, flat or letterpress
DE1786507A1 (en) * 1967-06-30 1973-01-04 Midland Ross Corp ROTARY PRINTING MACHINE WITH ENDLESS PRINTING BAND
US3835775A (en) * 1972-10-10 1974-09-17 R Benton Gravure printing press with endless printing belts
GB2102733A (en) * 1981-05-30 1983-02-09 Cobden Chadwick Ltd Printing presses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411213A1 (en) * 1994-03-31 1995-10-05 Abb Patent Gmbh Printing machine for surfaces e.g. of electrical connection equipment
DE4411213C2 (en) * 1994-03-31 1998-10-08 Abb Patent Gmbh Printing press
WO2010042470A1 (en) 2008-10-10 2010-04-15 The Procter & Gamble Company Absorbent articles having distinct graphics and apparatus and method for printing such absorbent articles

Also Published As

Publication number Publication date
DE58903255D1 (en) 1993-02-25
US5009157A (en) 1991-04-23
JPH01316267A (en) 1989-12-21
EP0338278B1 (en) 1993-01-13
EP0338278A3 (en) 1990-01-03

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