EP0813959A1 - Driven cylinder - Google Patents

Driven cylinder Download PDF

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Publication number
EP0813959A1
EP0813959A1 EP97109616A EP97109616A EP0813959A1 EP 0813959 A1 EP0813959 A1 EP 0813959A1 EP 97109616 A EP97109616 A EP 97109616A EP 97109616 A EP97109616 A EP 97109616A EP 0813959 A1 EP0813959 A1 EP 0813959A1
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EP
European Patent Office
Prior art keywords
cylinder
spindle
support tube
driven
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97109616A
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German (de)
French (fr)
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EP0813959B1 (en
Inventor
Godber Petersen
Josef Göttling
Bernhard Feller
Hans Fleischmann
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Manroland AG
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MAN Roland Druckmaschinen AG
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Publication of EP0813959A1 publication Critical patent/EP0813959A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/004Electric or hydraulic features of drives
    • B41F13/0045Electric driving devices

Definitions

  • the invention relates to a driven cylinder of an assembly of a rotary printing press according to the preamble of claim 1.
  • the older application DE 195 15 459.2 deals with a blanket cylinder which is overhung in the side wall of a printing unit.
  • the blanket cylinder is attached to a spindle, which is mounted in a housing, which in turn is accommodated in two walls.
  • the spindle is driven by a drive to be coupled or by means of gear wheels.
  • Such a drive builds large and is technically complex. Oil lubrication may be required. Due to the elasticity of the drive, rotary play occurs on the driven cylinder. In the case of a gearwheel drive, the rotation is further increased by the tooth play.
  • the invention has for its object to provide a play-free, compact drive for cylinders.
  • this object is achieved in a generic device with the characterizing features of patent claim 1.
  • the direct mounting of the motor with the spindle carrying the cylinder guarantees a stable, backlash-free drive.
  • Such a spindle unit is compact, consists of a few individual parts and is therefore inexpensive to manufacture. External lubrication is not necessary.
  • This type of cylinder is advantageous, for example, in so-called single-wall machines for short runs, e.g. B. according to the patent application PB 3962.
  • Forming cylinders designed in this way are well suited for printing form production in the printing press, the so-called CT-press technology (computer-to-press technology).
  • CT-press technology computer-to-press technology
  • the individual drive of such cylinders also enables setup processes to be carried out simultaneously. For example, an adjacent transfer cylinder for a washing process can be driven separately on a forme cylinder during the production of the printing form.
  • Fig. 1 shows the flying storage of a cylinder 1, which can be, for example, a form or transfer cylinder of a printing unit.
  • the cylinder 1 is pot-shaped and its bottom is attached to the spindle head 2 of the spindle 3. Fastening with screws is advantageously provided, and the mounting takes place without play by means of a conical seat.
  • the spindle 3 is mounted in a support tube 6 with high axial and radial rigidity by means of roller bearings 4, 5.
  • a motor 7, advantageously a so-called kit motor is placed, which is also supported in the support tube 6. This ensures a rigid, play-free connection of the engine 7 to the cylinder 1.
  • the support tube 6 is mounted in slide bearings 8, 9 in the side wall 11 and a support wall 12.
  • the support tube 6 closes with a sleeve 10 which is received in the bearing 9.
  • the second bearing in the support wall 12 gives the support tube 6 a particularly stable hold. It can be designed, for example, as a plate screwed to the side wall 11 with spacer supports or as a bridge screwed to the side wall 11.
  • the support tube 6 can be rotated in the slide bearings 8, 9, which enables the adjusting movements of the cylinder 1 described below.
  • the spindle 3, together with the cylinder 1, is arranged eccentrically with an eccentricity e to the axis of rotation of the support tube 6.
  • the bore of the support tube 6, in which the spindle 3 is mounted is drilled eccentrically to its outer diameter, which carries the bearing seat for receiving in the slide bearing 8. Accordingly, the seat for the bearing 32 in the sleeve 10 is made eccentric to the bearing seat for the plain bearing 9.
  • the rotary encoder 13 required for drive control is fastened on the spindle 3 and supported on the lever 14, which in turn is fastened on the sleeve 10.
  • the spindle 3 ends with a two-way inlet 15, via which, for example, a liquid medium for possible printing process controls, such as cooling, can be inserted into and out of the cylinder 1.
  • a cylinder 16 is shown together with a spindle unit, which is made wider and with which larger web widths can therefore be processed.
  • the cylinder 16 for example a transfer cylinder, is double-pot-shaped, i. H. it has a bottom in the middle. With this bottom he is attached to the spindle head 18 of a spindle 19.
  • the spindle 19 is supported by means of roller bearings 20, 21 in a support tube 17, which further accommodates the kit motor 22, which is fastened on the spindle 19.
  • the kit motor 22 is supported in the support tube 17 via the sleeve 23.
  • the elongated pin of the spindle 19 is additionally guided in the roller bearing 24.
  • the support tube 17 is mounted in the side wall 27 and the support wall 28 by means of the slide bearings 25, 26. It protrudes from the side wall 27 to about the middle of the cylinder 16, so that the spindle 19 is held very stable in this area. Furthermore, the central arrangement of the base, with which the cylinder 16 is attached to the spindle head 18, is advantageous for a low-bending operation of the cylinder 16. Its load is distributed evenly on both sides of the base.
  • the rotary encoder 29 attached to the spindle 19 is supported on a lever 30, which in turn is attached to the sleeve 33.
  • a two-way insertion 31 is also provided again, with which media for printing process control can be guided into and out of the cylinder 16.
  • the cylinder 16 is arranged eccentrically to the pivot axis of the support tube 17.
  • FIG. 2 An alternative possibility for the arrangement of a rotary encoder is also shown in FIG. 2.
  • a so-called spur gear rotary encoder 77 is attached in the vicinity of the spindle head 18 at the end of the support tube 17.
  • the teeth for the encoder 77 are incorporated on the outer diameter of the spindle head 18.
  • the flying bearing is also suitable for other driven cylinders of printing machines.
  • Figures 3 to 5 show an offset printing unit with overhung cylinders. It is a so-called double printing unit, in which two printing units work together on the rubber-rubber principle.
  • the forme cylinders 93, 94 and the rubber cylinders 95, 96 are mounted with the eccentricity e on spindle units 97 to 100 (FIG. 3). The latter correspond in construction to the spindle unit shown in FIG. 2.
  • the spindle units 97 to 100 are mounted in the side wall 103 and a support wall by means of slide bearings 101, 102.
  • This support wall consists of plates 104 to 107 which are screwed onto webs 108 to 111 of the side wall 103.
  • this detail is not the subject of the invention and should therefore not be described in detail.
  • the spindle units 97 to 100 can be rotated by means of adjusting units 112 to 115, which is indicated by the double arrows 120 to 123.
  • levers 116 to 119 are attached to the support tubes of the spindle units 97 to 100, on which the actuating units 112 to 115 which directly or indirectly support the side wall 103 act (FIG. 4).
  • the distances a1 to a3 of the forme and transfer cylinders 93 to 96 can be adjusted to one another thanks to the eccentricities e (FIG. 5).
  • the forme cylinders 93, 94 transfer the print image via the transfer cylinders 95, 96 to both sides of the web 124.
  • a defined pressure between the transfer cylinders 95, 96 must also be maintained.
  • the thickness of the web 124 passed between the transfer cylinders 95, 96 influences this pressure.
  • the distance a2 between the transfer cylinders 95, 96 is therefore to be set depending on the thickness of the web 124. If a2 is changed, this also affects a1 and a3.
  • the pressure cut-off is also implemented by means of the actuating units 113, 115.
  • the spindle units 98, 99 are pivoted into the extreme positions, the distance a2 reaching a maximum.
  • the web 124 is then released from the transfer cylinders 95, 96.
  • actuators 112 to 115 and 129 and 130 z For the actuators 112 to 115 and 129 and 130 z. B. hydraulic or pneumatic cylinders or electrical or electromechanical cylinders can be used.

Abstract

A motor (7) for driving the cylinder (1) is arranged in the bearer tube (6) and is connected to the spindle (3). The cylinder body is pot-shaped and with its base is fixed on the head (2) of the spindle. The cylinder has a central base, with which it is fixed to the head of the spindle. The bearer tube is rotatable located in the side wall (11). The spindle is eccentrically located in the bearer tube and a positioning unit engages the bearer tube for its displacement. The driven cylinder engages the bearer tube for its displacement. The driven cylinder can be used as a transmission cylinder or as a strip transport roller.

Description

Die Erfindung betrifft einen angetriebenen Zylinder eines Aggregates einer Rotationsdruckmaschine nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a driven cylinder of an assembly of a rotary printing press according to the preamble of claim 1.

Die ältere Anmeldung DE 195 15 459.2 behandelt einen Gummituchzylinder, der fliegend in der Seitenwand eines Druckwerkes gelagert ist. Der Gummituchzylinder ist hierzu an einer Spindel befestigt, die in einem Gehäuse gelagert ist, das wiederum in zwei Wänden aufgenommen wird. Die Spindel wird von einem anzukuppelnden Antrieb oder mittels Zahnrädern angetrieben. Ein solcher Antrieb baut groß und ist technisch aufwendig. Gegebenenfalls ist eine Ölschmierung erforderlich. Aufgrund der Elastizität des Antriebes treten am angetriebenen Zylinder Drehspiele auf. Bei einem Zahnradantrieb wird die Verdrehung durch das Zahnspiel noch vergrößert.The older application DE 195 15 459.2 deals with a blanket cylinder which is overhung in the side wall of a printing unit. For this purpose, the blanket cylinder is attached to a spindle, which is mounted in a housing, which in turn is accommodated in two walls. The spindle is driven by a drive to be coupled or by means of gear wheels. Such a drive builds large and is technically complex. Oil lubrication may be required. Due to the elasticity of the drive, rotary play occurs on the driven cylinder. In the case of a gearwheel drive, the rotation is further increased by the tooth play.

Der Erfindung liegt die Aufgabe zugrunde, einen spielfreien, kompakten Antrieb für Zylinder zu schaffen.The invention has for its object to provide a play-free, compact drive for cylinders.

Erfindungsgemäß wird diese Aufgabe bei einer gattungsgemäßen Einrichtung mit den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst. Die direkte Befestigung des Motors mit der den Zylinder tragenden Spindel garantiert einen stabilen, spielfreien Antrieb. Eine derartige Spindeleinheit baut kompakt, besteht aus wenigen Einzelteilen und ist dadurch preisgünstig zu erstellen. Eine Außenschmierung ist nicht erforderlich. Diese Zylinderbauart ist beispielsweise vorteilhaft bei sogenannten Einwandmaschinen für kleine Auflagen, z. B. gemäß der Patentanmeldung PB 3962. Derart ausgebildete Formzylinder eignen sich gut für die Druckformherstellung in der Druckmaschine, die sogenannte CT-Press-Technologie (Computer-to-Press-Technologie). Der Einzelantrieb derartiger Zylinder ermöglicht es auch, Rüstvorgänge gleichzeitig durchzuführen. So kann beispielsweise während der Druckformherstellung auf einem Formzylinder ein benachbarter Übertragungszylinder für einen Waschvorgang separat angetrieben werden.According to the invention, this object is achieved in a generic device with the characterizing features of patent claim 1. The direct mounting of the motor with the spindle carrying the cylinder guarantees a stable, backlash-free drive. Such a spindle unit is compact, consists of a few individual parts and is therefore inexpensive to manufacture. External lubrication is not necessary. This type of cylinder is advantageous, for example, in so-called single-wall machines for short runs, e.g. B. according to the patent application PB 3962. Forming cylinders designed in this way are well suited for printing form production in the printing press, the so-called CT-press technology (computer-to-press technology). The individual drive of such cylinders also enables setup processes to be carried out simultaneously. For example, an adjacent transfer cylinder for a washing process can be driven separately on a forme cylinder during the production of the printing form.

Weitere Merkmale und Vorteile ergeben sich aus den abhängigen Ansprüchen in Verbindung mit der Beschreibung.Further features and advantages result from the dependent claims in connection with the description.

Die Erfindung soll nachfolgend an einigen Ausführungsbeispielen näher erläutert werden. In den zugehörigen Zeichnungen zeigt:

Fig. 1:
einen Zylinder samt Spindeleinheit im Längsschnitt,
Fig. 2:
eine weitere Ausführungsvariante zu Fig. 1,
Fig. 3:
ein Offset-Druckwerk mit fliegender Lagerung der Zylinder, geschnitten (Schnitt III-III gem. Fig. 4),
Fig. 4:
die Ansicht IV nach Fig. 3,
Fig. 5:
die Ansicht V nach Fig. 3.
The invention will be explained in more detail below using a few exemplary embodiments. In the accompanying drawings:
Fig. 1:
a cylinder with spindle unit in longitudinal section,
Fig. 2:
another embodiment variant of FIG. 1,
Fig. 3:
an offset printing unit with the bearings on the fly, cut (section III-III according to FIG. 4),
Fig. 4:
the view IV of FIG. 3,
Fig. 5:
the view V according to FIG. 3.

Fig. 1 zeigt die fliegende Lagerung eines Zylinders 1, der beispielsweise ein Form- oder Übertragungszylinder eines Druckwerks sein kann. Der Zylinder 1 ist topfförmig ausgebildet und mit seinem Boden am Spindelkopf 2 der Spindel 3 befestigt. Vorteilhaft ist die Befestigung mit Schrauben vorgesehen, und die Aufnahme erfolgt spielfrei mittels Kegelsitz. Die Spindel 3 ist mit hoher axialer und radialer Steifigkeit mittels Wälzlagern 4, 5 in einem Tragrohr 6 gelagert. Auf einem verlängerten Zapfen der Spindel 3, der zusätzlich durch das Lager 32 abgestützt wird, ist ein Motor 7, vorteilhaft ein sogenannter Bausatzmotor, aufgesetzt, der sich ebenfalls im Tragrohr 6 abstützt. Dadurch ist eine steife, spielfreie Verbindung des Motors 7 mit dem Zylinder 1 gewährleistet. Das Tragrohr 6 ist in Gleitlagern 8, 9 in der Seitenwand 11 sowie einer Stützwand 12 gelagert. Dabei schließt im Ausführungsbeispiel das Tragrohr 6 mit einer Hülse 10 ab, die im Lager 9 aufgenommen wird. Die zweite Lagerung in der Stützwand 12 gibt dem Tragrohr 6 einen besonders stabilen Halt. Sie kann beispielsweise als eine mit Abstandsstützen an die Seitenwand 11 angeschraubte Platte oder als an die Seitenwand 11 angeschraubte Brücke ausgebildet sein. Das Tragrohr 6 ist in den Gleitlagern 8, 9 drehbar, wodurch weiter unten beschriebene Anstellbewegungen des Zylinders 1 ermöglicht werden. Die Spindel 3 ist hierzu samt dem Zylinder 1 exzentrisch mit einer Exzentrizität e zur Drehachse des Tragrohres 6 angeordnet. Im Ausführungsbeispiel ist die Bohrung des Tragrohres 6, in der die Spindel 3 gelagert ist, exzentrisch zu seinem Außendurchmesser gebohrt, der den Lagersitz für die Aufnahme im Gleitlager 8 trägt. Entsprechend ist auch der Sitz für das Lager 32 in der Hülse 10 exzentrisch zum Lagersitz für das Gleitlager 9 ausgeführt.Fig. 1 shows the flying storage of a cylinder 1, which can be, for example, a form or transfer cylinder of a printing unit. The cylinder 1 is pot-shaped and its bottom is attached to the spindle head 2 of the spindle 3. Fastening with screws is advantageously provided, and the mounting takes place without play by means of a conical seat. The spindle 3 is mounted in a support tube 6 with high axial and radial rigidity by means of roller bearings 4, 5. On an elongated pin of the spindle 3, which is additionally supported by the bearing 32, a motor 7, advantageously a so-called kit motor, is placed, which is also supported in the support tube 6. This ensures a rigid, play-free connection of the engine 7 to the cylinder 1. The support tube 6 is mounted in slide bearings 8, 9 in the side wall 11 and a support wall 12. In the exemplary embodiment, the support tube 6 closes with a sleeve 10 which is received in the bearing 9. The second bearing in the support wall 12 gives the support tube 6 a particularly stable hold. It can be designed, for example, as a plate screwed to the side wall 11 with spacer supports or as a bridge screwed to the side wall 11. The support tube 6 can be rotated in the slide bearings 8, 9, which enables the adjusting movements of the cylinder 1 described below. For this purpose, the spindle 3, together with the cylinder 1, is arranged eccentrically with an eccentricity e to the axis of rotation of the support tube 6. In the exemplary embodiment, the bore of the support tube 6, in which the spindle 3 is mounted, is drilled eccentrically to its outer diameter, which carries the bearing seat for receiving in the slide bearing 8. Accordingly, the seat for the bearing 32 in the sleeve 10 is made eccentric to the bearing seat for the plain bearing 9.

Der zur Antriebssteuerung erforderliche Drehgeber 13 ist auf der Spindel 3 befestigt und am Hebel 14 abgestützt, der wiederum an der Hülse 10 befestigt ist. Die Spindel 3 schließt mit einer Zwei-Wege-Einführung 15 ab, über die beispielsweise ein flüssiges Medium für eventuelle Druckprozeßsteuerungen, wie eine Kühlung, in den Zylinder 1 ein- und aus diesem ausgeführt werden kann.The rotary encoder 13 required for drive control is fastened on the spindle 3 and supported on the lever 14, which in turn is fastened on the sleeve 10. The spindle 3 ends with a two-way inlet 15, via which, for example, a liquid medium for possible printing process controls, such as cooling, can be inserted into and out of the cylinder 1.

In Fig. 2 ist ein Zylinder 16 samt einer Spindeleinheit gezeigt, der breiter ausgeführt ist und mit dem deshalb größere Bahnbreiten verarbeitet werden können. Der Zylinder 16, beispielsweise ein Übertragungszylinder, ist doppel-topfförmig ausgebildet, d. h. er besitzt etwa in seiner Mitte einen Boden. Mit diesem Boden ist er am Spindelkopf 18 einer Spindel 19 befestigt. Die Spindel 19 lagert mittels Wälzlagern 20, 21 in einem Tragrohr 17, das weiterhin den Bausatzmotor 22 aufnimmt, der auf der Spindel 19 befestigt ist. Im Tragrohr 17 stützt sich der Bausatzmotor 22 über die Hülse 23 ab. Der verlängerte Zapfen der Spindel 19 wird zusätzlich im Wälzlager 24 geführt. Das Tragrohr 17 ist mittels der Gleitlager 25, 26 in der Seitenwand 27 und der Stützwand 28 gelagert. Es ragt dabei aus der Seitenwand 27 bis etwa zur Mitte des Zylinders 16 heraus, wodurch die Spindel 19 also bis in diesen Bereich sehr stabil gehaltert wird. Weiterhin ist die mittige Anordnung des Bodens, mit dem der Zylinder 16 am Spindelkopf 18 befestigt ist, von Vorteil für einen verbiegungsarmen Betrieb des Zylinders 16. Dessen Belastung ist so gleichmäßig beiderseits des Bodens verteilt.In Fig. 2, a cylinder 16 is shown together with a spindle unit, which is made wider and with which larger web widths can therefore be processed. The cylinder 16, for example a transfer cylinder, is double-pot-shaped, i. H. it has a bottom in the middle. With this bottom he is attached to the spindle head 18 of a spindle 19. The spindle 19 is supported by means of roller bearings 20, 21 in a support tube 17, which further accommodates the kit motor 22, which is fastened on the spindle 19. The kit motor 22 is supported in the support tube 17 via the sleeve 23. The elongated pin of the spindle 19 is additionally guided in the roller bearing 24. The support tube 17 is mounted in the side wall 27 and the support wall 28 by means of the slide bearings 25, 26. It protrudes from the side wall 27 to about the middle of the cylinder 16, so that the spindle 19 is held very stable in this area. Furthermore, the central arrangement of the base, with which the cylinder 16 is attached to the spindle head 18, is advantageous for a low-bending operation of the cylinder 16. Its load is distributed evenly on both sides of the base.

Wie auch gemäß Fig. 1, ist der auf der Spindel 19 befestigte Drehgeber 29 an einem Hebel 30 abgestützt, der wiederum an der Hülse 33 befestigt ist. Auch ist wieder eine Zwei-Wege-Einführung 31 vorgesehen, mit der Medien zur Druckprozeßsteuerung in den und aus dem Zylinder 16 geführt werden können. Der Zylinder 16 ist exzentrisch zur Schwenkachse des Tragrohres 17 angeordnet.As also shown in FIG. 1, the rotary encoder 29 attached to the spindle 19 is supported on a lever 30, which in turn is attached to the sleeve 33. A two-way insertion 31 is also provided again, with which media for printing process control can be guided into and out of the cylinder 16. The cylinder 16 is arranged eccentrically to the pivot axis of the support tube 17.

In Fig. 2 ist auch eine alternative Möglichkeit für die Anordnung eines Drehgebers gezeigt. Ein sogenannter Stirnrad-Drehgeber 77 ist in der Nähe des Spindelkopfes 18 am Ende des Tragrohres 17 angebracht. Die Verzahnung für den Drehgeber 77 ist am Außendurchmesser des Spindelkopfes 18 eingearbeitet.An alternative possibility for the arrangement of a rotary encoder is also shown in FIG. 2. A so-called spur gear rotary encoder 77 is attached in the vicinity of the spindle head 18 at the end of the support tube 17. The teeth for the encoder 77 are incorporated on the outer diameter of the spindle head 18.

Die fliegende Lagerung eignet sich auch für andere angetriebene Zylinder von Druckmaschinen. So kann am Spindelkopf 2 bzw. 18 beispielsweise auch eine Bahntransportwalze oder der Zylinder eines Falzwerkes befestigt werden, wobei in diesen Fällen auf die Exzentrizität e verzichtet werden kann. Auch ist es möglich, z. B. bei einem Falzwerkzylinder, den Zylinder samt Spindel aus einem Teil zu fertigen.The flying bearing is also suitable for other driven cylinders of printing machines. For example, one can also be on the spindle head 2 or 18 Web transport roller or the cylinder of a folding unit are attached, in which case the eccentricity e can be dispensed with. It is also possible, for. B. in a folding cylinder to manufacture the cylinder together with the spindle from one part.

Die Figuren 3 bis 5 zeigen ein Offset-Druckwerk mit fliegend gelagerten Zylindern. Es handelt sich um ein sogenanntes Doppeldruckwerk, bei dem zwei Druckwerke im Gummi-Gummi-Prinzip zusammenarbeiten. Die Formzylinder 93, 94 sowie die Gummizylinder 95, 96 sind mit der Exzentrizität e auf Spindeleinheiten 97 bis 100 gelagert (Fig. 3). Letztere entsprechen im Aufbau der in Fig. 2 gezeigten Spindeleinheit. Die Spindeleinheiten 97 bis 100 sind mittels Gleitlagern 101, 102 in der Seitenwand 103 und einer Stützwand gelagert. Diese Stützwand besteht aus Platten 104 bis 107, die auf Stegen 108 bis 111 der Seitenwand 103 festgeschraubt sind. Dieses Detail ist jedoch nicht Gegenstand der Erfindung und soll deshalb nicht näher beschrieben werden.Figures 3 to 5 show an offset printing unit with overhung cylinders. It is a so-called double printing unit, in which two printing units work together on the rubber-rubber principle. The forme cylinders 93, 94 and the rubber cylinders 95, 96 are mounted with the eccentricity e on spindle units 97 to 100 (FIG. 3). The latter correspond in construction to the spindle unit shown in FIG. 2. The spindle units 97 to 100 are mounted in the side wall 103 and a support wall by means of slide bearings 101, 102. This support wall consists of plates 104 to 107 which are screwed onto webs 108 to 111 of the side wall 103. However, this detail is not the subject of the invention and should therefore not be described in detail.

Mittels Stelleinheiten 112 bis 115 sind die Spindeleinheiten 97 bis 100 verdrehbar, was durch die Doppelpfeile 120 bis 123 angedeutet wird. An den Tragrohren der Spindelheiten 97 bis 100 sind hierzu Hebel 116 bis 119 angebracht, an denen die sich an der Seitenwand 103 mittelbar oder unmittelbar abstützenden Stelleinheiten 112 bis 115 angreifen (Fig. 4).The spindle units 97 to 100 can be rotated by means of adjusting units 112 to 115, which is indicated by the double arrows 120 to 123. For this purpose, levers 116 to 119 are attached to the support tubes of the spindle units 97 to 100, on which the actuating units 112 to 115 which directly or indirectly support the side wall 103 act (FIG. 4).

Durch das Verschwenken der Spindeleinheiten 97 bis 100 lassen sich dank der Exzentrizitäten e die Abstände a1 bis a3 der Form- und Übertragungszylinder 93 bis 96 zueinander einstellen (Fig. 5). Die Formzylinder 93, 94 übertragen das Druckbild über die Übertragungszylinder 95, 96 auf beide Seiten der Bahn 124. Dafür muß neben einer gleichmäßigen Linienkraft auch ein definierter Druck zwischen den Übertragungszylindern 95, 96 eingehalten werden. Auf diesen Druck hat die Dicke der zwischen den Übertragungszylindern 95, 96 hindurchgeführten Bahn 124 Einfluß. Der Abstand a2 zwischen den Übertragungszylindern 95, 96 ist also je nach Dicke der Bahn 124 einzustellen. Wird a2 verändert, so hat dies auch Einfluß auf a1 und a3. Es müssen deshalb zur Aufrechterhaltung einwandfreier Bildübertragungen von den Formzylindern 93, 94 auf die Übertragungszylinder 95, 96 auch die Abstände a1 und a3 dieser Zylinder zueinander verändert werden. Das geschieht durch Aktivierung der Stelleinheiten 112, 114.By pivoting the spindle units 97 to 100, the distances a1 to a3 of the forme and transfer cylinders 93 to 96 can be adjusted to one another thanks to the eccentricities e (FIG. 5). The forme cylinders 93, 94 transfer the print image via the transfer cylinders 95, 96 to both sides of the web 124. In addition to a uniform line force, a defined pressure between the transfer cylinders 95, 96 must also be maintained. The thickness of the web 124 passed between the transfer cylinders 95, 96 influences this pressure. The distance a2 between the transfer cylinders 95, 96 is therefore to be set depending on the thickness of the web 124. If a2 is changed, this also affects a1 and a3. It is therefore necessary to change the distances a1 and a3 of these cylinders from one another in order to maintain perfect image transfers from the forme cylinders 93, 94 to the transfer cylinders 95, 96. This is done by activating the control units 112, 114.

Mittels der Stelleinheiten 113, 115 wird auch die Druck-Abstellung realisiert. Hierzu werden die Spindeleinheiten 98, 99 in die Extremlagen geschwenkt, wobei der Abstand a2 ein Maximum erreicht. Die Bahn 124 wird dann von den Übertragungszylindern 95, 96 freigegeben.The pressure cut-off is also implemented by means of the actuating units 113, 115. For this purpose, the spindle units 98, 99 are pivoted into the extreme positions, the distance a2 reaching a maximum. The web 124 is then released from the transfer cylinders 95, 96.

Während die Spindeleinheiten 98, 99, die die Übertragungszylinder 95, 96 tragen, durch Axiallager 127, 128 axial festgelegt sind, sind die die Formzylinder 93, 94 tragenden Spindeleinheiten 97, 100 in axialer Richtung verschiebbar, was durch die Doppelpfeile 131, 132 (Fig. 3) angedeutet ist. Durch diese Verschiebung ist das Seitenregister einstellbar. Die Verschiebung wird mittels der Stelleinheiten 129, 130 realisiert, die sich an der Seitenwand 103 abstützen und mit den Spindeleinheiten 97, 100 gelenkig verbunden sind.While the spindle units 98, 99, which carry the transfer cylinders 95, 96, are axially fixed by axial bearings 127, 128, the spindle units 97, 94 carrying the forme cylinders 93, 94 are displaceable in the axial direction, which is indicated by the double arrows 131, 132 (Fig 3) is indicated. The page register can be adjusted by this shift. The displacement is realized by means of the actuating units 129, 130, which are supported on the side wall 103 and are articulated to the spindle units 97, 100.

Für die Stelleinheiten 112 bis 115 und 129 und 130 können z. B. hydraulische oder pneumatische Arbeitszylinder oder auch elektrische oder elektromechanische Zylinder Verwendung finden.For the actuators 112 to 115 and 129 and 130 z. B. hydraulic or pneumatic cylinders or electrical or electromechanical cylinders can be used.

Claims (9)

Angetriebener Zylinder eines Aggregates einer Rotationsdruckmaschine mit einer Seitenwand, in der der Zylinder fliegend gelagert ist, wobei der Zylinder an einer Spindel angeordnet ist, die in einem Tragrohr gelagert ist, das wiederum in der Seitenwand gelagert ist, dadurch gekennzeichnet, daß ein Motor (7, 22) für den Antrieb des Zylinders (1, 16, 93 bis 96) im Tragrohr (6, 17) angeordnet und mit der Spindel (3, 19) verbunden ist.Driven cylinder of a unit of a rotary printing press with a side wall in which the cylinder is overhung, the cylinder being arranged on a spindle which is mounted in a support tube which is in turn mounted in the side wall, characterized in that a motor (7 , 22) for driving the cylinder (1, 16, 93 to 96) in the support tube (6, 17) and connected to the spindle (3, 19). Angetriebener Zylinder nach Anspruch 1, dadurch gekennzeichnet, daß der Zylinderkörper (1) topfförmig ausgebildet ist und mit seinem Boden am Spindelkopf (2) der Spindel (3) befestigt ist.A driven cylinder according to claim 1, characterized in that the cylinder body (1) is pot-shaped and its bottom is fixed to the spindle head (2) of the spindle (3). Angetriebener Zylinder nach Anspruch 1, dadurch gekennzeichnet, daß der Zylinder (16, 93 bis 96) etwa mittig einen Boden aufweist, mit dem er am Spindelkopf (18) der Spindel (19) befestigt ist.A driven cylinder according to claim 1, characterized in that the cylinder (16, 93 to 96) has a bottom approximately in the center with which it is attached to the spindle head (18) of the spindle (19). Angetriebener Zylinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Tragrohr (6, 17) drehbar in der Seitenwand (11, 27, 103) lagert, die Spindel (3, 19) exzentrisch mit einer Exzentrizität (e) zur Drehachse des Tragrohres (6, 17) in diesem gelagert ist und an dem Tragrohr (6, 17) eine Stelleinheit (112 bis 115) zu dessen Verdrehung angreift.A driven cylinder according to one of the preceding claims, characterized in that the support tube (6, 17) rotatably supports in the side wall (11, 27, 103), the spindle (3, 19) eccentrically with an eccentricity (e) to the axis of rotation of the support tube (6, 17) is mounted in it and on the support tube (6, 17) an actuating unit (112 to 115) acts to rotate it. Angetriebener Zylinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Tragrohr (97, 100) axial verschiebbar in der Seitenwand (103) lagert und an dem Tragrohr (97, 100) eine Stelleinheit (129, 130) zu dessen axialer Verschiebung angreift.A driven cylinder according to one of the preceding claims, characterized in that the support tube (97, 100) is axially displaceably mounted in the side wall (103) and an actuating unit (129, 130) acts on the support tube (97, 100) for its axial displacement. Angetriebener Zylinder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Zylinder (1, 16, 93 bis 96) ein Formzylinder ist.A driven cylinder according to one of the preceding claims, characterized in that the cylinder (1, 16, 93 to 96) is a forme cylinder. Angetriebener Zylinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Zylinder (1, 16, 93 bis 96) ein Übertragungszylinder ist.A driven cylinder according to one of claims 1 to 4, characterized in that the cylinder (1, 16, 93 to 96) is a transfer cylinder. Angetriebener Zylinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Zylinder (1, 16, 93 bis 96) eine Bahntransportwalze ist.Driven cylinder according to one of claims 1 to 3, characterized in that the cylinder (1, 16, 93 to 96) is a web transport roller. Angetriebener Zylinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Zylinder (1, 16, 93 bis 96) ein Falzwerkzylinder ist.A driven cylinder according to one of claims 1 to 3, characterized in that the cylinder (1, 16, 93 to 96) is a folding cylinder.
EP97109616A 1996-06-19 1997-06-13 Driven cylinder Expired - Lifetime EP0813959B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19624394 1996-06-19
DE19624394A DE19624394C1 (en) 1996-06-19 1996-06-19 Driven cylinder

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EP0813959A1 true EP0813959A1 (en) 1997-12-29
EP0813959B1 EP0813959B1 (en) 2000-03-15

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US (1) US5832821A (en)
EP (1) EP0813959B1 (en)
JP (1) JP2851607B2 (en)
CA (1) CA2207967C (en)
DE (2) DE19624394C1 (en)

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Also Published As

Publication number Publication date
DE59701249D1 (en) 2000-04-20
CA2207967A1 (en) 1997-12-19
JP2851607B2 (en) 1999-01-27
JPH1071693A (en) 1998-03-17
CA2207967C (en) 2000-06-06
US5832821A (en) 1998-11-10
EP0813959B1 (en) 2000-03-15
DE19624394C1 (en) 1997-12-04

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