EP2181847A1 - Printing unit - Google Patents

Printing unit Download PDF

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Publication number
EP2181847A1
EP2181847A1 EP09174012A EP09174012A EP2181847A1 EP 2181847 A1 EP2181847 A1 EP 2181847A1 EP 09174012 A EP09174012 A EP 09174012A EP 09174012 A EP09174012 A EP 09174012A EP 2181847 A1 EP2181847 A1 EP 2181847A1
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EP
European Patent Office
Prior art keywords
printing
drive motor
printing unit
cylinder
flywheel
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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
EP09174012A
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German (de)
French (fr)
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EP2181847B1 (en
Inventor
Andre SCHÄFER
Friedrich Steger
Frank Wagner
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Manroland Web Systems GmbH
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Manroland AG
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Publication of EP2181847A1 publication Critical patent/EP2181847A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/0008—Driving devices
    • 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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/085—Cylinders with means for preventing or damping vibrations or shocks

Definitions

  • the invention relates to a printing unit according to the preamble of claim 1.
  • a printing unit of a web-fed printing press designed as an illustration printing machine typically has two printing units, each printing unit comprising a transfer cylinder, a forme cylinder, an inking unit and a dampening unit.
  • the transfer cylinders are also referred to as rubber cylinders and the form cylinder as a plate cylinder.
  • the transfer cylinders of the printing units of such a printing unit roll from one another while forming a printing gap, wherein a printing material to be printed in the printing unit is conveyed in the horizontal direction through the printing nip.
  • each printing unit of such a printing unit a separate drive motor, wherein the drive motors drive either in the forme cylinder or the transfer cylinder of the respective printing unit.
  • the drive motors of such a printing unit drive into the transfer cylinders of the respective printing units, in which case the forme cylinders are driven by the transfer cylinders.
  • a pressure unit forms the inertia of the drive motor with the inertia of the cylinder to be driven by the drive motor, a vibration system which has a certain natural frequency.
  • this vibration system is excited at a frequency which is of the same order of magnitude as the natural frequency thereof, vibrations are generated which adversely affect the printing quality. Therefore, the drive controller of the respective drive motor is designed so that it does not excite the vibration system with its natural frequency. This is achieved by disturbances be filtered out in the load torque curve in the range of the natural frequency of the vibration system by the controller and thus not be corrected.
  • the present invention has the object to provide a novel printing unit.
  • This object is achieved by a printing unit according to claim 1.
  • at least one drive motor which drives into the forme cylinder or the transfer cylinder of the respective printing unit, is assigned a flywheel which is torsionally rigidly connected to the rotor of the respective drive motor.
  • a flywheel is connected to the rotor of the respective drive motor rigidly and thus torsionally rigid.
  • This flywheel mass moment of inertia of the drive motor is increased, which also increases the natural frequency of the vibration system of the drive motor and driven cylinders.
  • the drive controller of the drive motor can then better correct disturbances in a lower frequency range, namely in the region of the original natural frequency, whereby an overall more stable control can be realized.
  • doubling in the printed image can be largely avoided and the print quality can be increased.
  • unfavorable load conditions such. B. tooth flank lift in the gear train to be driven by the drive cylinder and low-frequency noise z. B. from the inking, be better regulated.
  • the present invention relates to a printing unit of a printing press, in particular a printing unit of a web press designed as an illustration printing press.
  • the printing unit according to the invention can also be a printing unit of a web press designed as a newspaper printing press.
  • a printing unit of a web-fed printing press has several printing units.
  • Each printing unit has a form cylinder, which is also referred to as a plate cylinder, via a rolling on the forme cylinder transfer cylinder, which is also referred to as a rubber cylinder, and an inking unit and preferably via a dampening unit.
  • each printing unit of such a printing unit is assigned a separate drive motor which either drives into the forme cylinder of the respective printing unit or into the transfer cylinder of the respective printing unit. Then, when the drive motor in the transfer cylinder of the respective printing unit einil, the form cylinder of the respective printing unit is driven by the transfer cylinder via a gear connection.
  • Fig. 1 shows a section of a printing unit according to the invention in the region of a transfer cylinder, wherein from the transfer cylinder only a shaft 10 of the transfer cylinder is shown, which is rotatably supported via a bearing 11 in a side wall 12 of the printing unit.
  • a gear 13 On the shaft 10 of the transfer cylinder, a gear 13 is positioned, which is combed into a gear 15 positioned on a pinion shaft 14.
  • the pinion shaft 14 is coupled via a compensating coupling 16 with a motor shaft 17 of a drive motor 18, wherein over the compensating coupling 16 misalignment between the pinion shaft 14 and the motor shaft 17 can be compensated.
  • the drive motor 18, which is in Fig. 1 engages over the pinion shaft 14 in the transfer cylinder, a flywheel 19 assigned according to Fig. 1 with the motor shaft 17 of the drive motor 18 and thus the rotor of the same torsionally rigid or rigidly connected.
  • the flywheel 19 the mass moment of inertia of the rotor of the drive motor 18 is increased, whereby the natural frequency of the vibration system of the drive motor 18, pinion shaft 14 and transfer cylinder increases.
  • the flywheel 19 comprises a flywheel 20, which is torsionally rigid and rigidly connected to a disc 22 of the flywheel 19 via screws 21.
  • the flywheel 19 is compared to the drive motor 18 designed as a separate module, according to Fig. 1 the flywheel 19 is connected to the rotor of the drive motor 18, namely the motor shaft 17 thereof, in such a way that the flywheel 20 concentrically surrounds the compensation coupling 16.
  • the flywheel is integrated into the drive motor 18 such that it is positioned within the housing of the drive motor and with the rotor of the drive motor 18 torsionally rigid or rigidly connected.
  • each printing unit of the printing unit is assigned a drive motor 18 with a flywheel mass that is torsionally rigid or rigidly connected to the rotor of the drive motor.
  • a printing unit of an illustration printing press which comprises two printing units, in which the printing units are not connected to each other via gear engagement, so a deviation in synchronism between the transfer cylinders of the printing units and a subsequent doubling between the two printing units of the printing unit can be largely avoided.
  • a doubling between several printing units of a printing press can be largely avoided.
  • the invention can also be used in printing units in which a plurality of pressure gear connected to a printing unit at least one common drive motor is assigned, in a form cylinder or a transfer cylinder of the printing units, which at least one common drive motor is assigned, then this drive motor in turn a torsionally rigid associated with the rotor of the respective drive motor flywheel is assigned.
  • a printing press two or more Comprises printing units, thus duplication between the printing units can be largely avoided.

Abstract

The pressurizing unit has a pressurizing element having a form cylinder, a transmission cylinder, an inking attachment and a dampening device. A driving motor (18) is arranged to pressurizing element, which is driven in the form cylinder or transmission cylinder of the pressurizing element. An oscillating mass (19) is arranged to the driving motor, which is rigidly connected with the rotor of the driving motor.

Description

Die Erfindung betrifft eine Druckeinheit nach dem Oberbegriff des Anspruchs 1.The invention relates to a printing unit according to the preamble of claim 1.

Eine Druckeinheit einer als Illustrationsdruckmaschine ausgebildeten Rollendruckmaschine verfügt typischerweise über zwei Druckwerke, wobei jedes Druckwerk einen Übertragungszylinder, einen Formzylinder, ein Farbwerk und ein Feuchtwerk umfasst. Die Übertragungszylinder werden auch als Gummizylinder und die Formzylinder auch als Plattenzylinder bezeichnet. Die Übertragungszylinder der Druckwerke einer solchen Druckeinheit rollen unter Ausbildung eines Druckspalts aufeinander ab, wobei ein in der Druckeinheit zu bedruckender Bedruckstoff in horizontaler Richtung durch den Druckspalt gefördert wird.A printing unit of a web-fed printing press designed as an illustration printing machine typically has two printing units, each printing unit comprising a transfer cylinder, a forme cylinder, an inking unit and a dampening unit. The transfer cylinders are also referred to as rubber cylinders and the form cylinder as a plate cylinder. The transfer cylinders of the printing units of such a printing unit roll from one another while forming a printing gap, wherein a printing material to be printed in the printing unit is conveyed in the horizontal direction through the printing nip.

Aus der Praxis ist es bereits bekannt, jedem Druckwerk einer solchen Druckeinheit einen separaten Antriebsmotor zuzuordnen, wobei die Antriebsmotoren entweder in den Formzylinder oder den Übertragungszylinder des jeweiligen Druckwerks eintreiben. Vorzugsweise treiben die Antriebsmotoren einer solchen Druckeinheit in die Übertragungszylinder der jeweiligen Druckwerke ein, wobei dann die Formzylinder von den Übertragungszylindern aus angetrieben werden.From practice, it is already known to assign each printing unit of such a printing unit a separate drive motor, wherein the drive motors drive either in the forme cylinder or the transfer cylinder of the respective printing unit. Preferably, the drive motors of such a printing unit drive into the transfer cylinders of the respective printing units, in which case the forme cylinders are driven by the transfer cylinders.

In einer solchen Druckeinheit bildet die Massenträgheit des Antriebsmotors mit den Massenträgheiten der vom Antriebsmotor anzutreibenden Zylinder ein Schwingungssystem, welches eine gewisse Eigenfrequenz aufweist. Wenn dieses Schwingungssystem mit einer Frequenz angeregt wird, die in der Größenordnung der Eigenfrequenz desselben liegt, bilden sich Schwingungen aus, welche die Druckqualität negativ beeinträchtigen. Daher ist der Antriebsregler des jeweiligen Antriebsmotors so ausgelegt, dass von ihm keine Anregung des Schwingungssystems mit dessen Eigenfrequenz erfolgt. Dies wird dadurch erreicht, dass Störungen im Lastmomentenverlauf im Bereich der Eigenfrequenz des Schwingungssystems vom Regler ausgefiltert und somit nicht ausgeregelt werden.In such a pressure unit forms the inertia of the drive motor with the inertia of the cylinder to be driven by the drive motor, a vibration system which has a certain natural frequency. When this vibration system is excited at a frequency which is of the same order of magnitude as the natural frequency thereof, vibrations are generated which adversely affect the printing quality. Therefore, the drive controller of the respective drive motor is designed so that it does not excite the vibration system with its natural frequency. This is achieved by disturbances be filtered out in the load torque curve in the range of the natural frequency of the vibration system by the controller and thus not be corrected.

Da jedoch auch in der Nähe der Eigenfrequenz des Schwingungssystems durchaus Drehmomentschwankungen auf den Antriebsmotor einwirken können, die aufgrund der Filterung im Antriebsregler des Antriebsmotors nicht erkannt und damit nicht ausgeregelt werden können, kann sich im Druckbild ein die Druckqualität beeinträchtigendes Dublieren ausbilden.However, since even in the vicinity of the natural frequency of the vibration system quite torque fluctuations can act on the drive motor, which can not be recognized due to the filtering in the drive controller of the drive motor and thus can not be compensated, can form a print quality degrading doubling in the print image.

Es besteht daher Bedarf an einer Druckeinheit einer Druckmaschine, die Regelgüte des Antriebs und damit die Druckqualität zu erhöhen.There is therefore a need for a printing unit of a printing machine to increase the control quality of the drive and thus the print quality.

Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine neuartige Druckeinheit zu schaffen. Diese Aufgabe wird durch eine Druckeinheit gemäß Anspruch 1 gelöst. Erfindungsgemäß ist mindestens einem Antriebsmotor, der in den Formzylinder oder den Übertragungszylinder des jeweiligen Druckwerks eintreibt, eine Schwungmasse zugeordnet, die verdrehsteif mit dem Läufer des jeweiligen Antriebsmotors verbunden ist.On this basis, the present invention has the object to provide a novel printing unit. This object is achieved by a printing unit according to claim 1. According to the invention, at least one drive motor, which drives into the forme cylinder or the transfer cylinder of the respective printing unit, is assigned a flywheel which is torsionally rigidly connected to the rotor of the respective drive motor.

Erfindungsgemäß ist mit dem Läufer des jeweiligen Antriebsmotors eine Schwungmasse starr und damit verdrehsteif verbunden. Durch diese Schwungmasse wird das Massenträgheitsmoment des Antriebsmotors erhöht, wodurch sich auch die Eigenfrequenz des Schwingungssystems aus Antriebsmotor und angetriebenen Zylindern erhöht. Dies hat zur Folge, dass auch der Filterbereich des Filters des Antriebsreglers des jeweiligen Antriebsmotors angehoben wird. Der Antriebsregler des Antriebsmotors kann dann Störungen in einem niedrigeren Frequenzbereich, nämlich im Bereich der ursprünglichen Eigenfrequenz, besser ausregeln, wodurch eine insgesamt stabilere Regelung realisiert werden kann. Hierdurch kann dann ein Dublieren im Druckbild weitestgehend vermieden und die Druckqualität erhöht werden.According to the invention, a flywheel is connected to the rotor of the respective drive motor rigidly and thus torsionally rigid. By this flywheel mass moment of inertia of the drive motor is increased, which also increases the natural frequency of the vibration system of the drive motor and driven cylinders. This has the consequence that also the filter range of the filter of the drive controller of the respective drive motor is raised. The drive controller of the drive motor can then better correct disturbances in a lower frequency range, namely in the region of the original natural frequency, whereby an overall more stable control can be realized. As a result, doubling in the printed image can be largely avoided and the print quality can be increased.

Insbesondere können ungünstige Lastzustände, wie z. B. Zahnflankenabheben im Räderzug der vom Antriebsmotor anzutreibenden Zylinder sowie niederfrequente Störungen z. B. aus dem Farbwerk, besser ausgeregelt werden.In particular, unfavorable load conditions such. B. tooth flank lift in the gear train to be driven by the drive cylinder and low-frequency noise z. B. from the inking, be better regulated.

Bevorzugte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung. Ein Ausführungsbeispiel der Erfindung wird, ohne hierauf beschränkt zu sein, an Hand der Zeichnung näher erläutert. Dabei zeigt:

Fig. 1:
einen Ausschnitt aus einer erfindungsgemäßen Druckeinheit einer Druckmaschine.
Preferred embodiments of the invention will become apparent from the dependent claims and the description below. An embodiment of the invention will be described, without being limited thereto, with reference to the drawing. Showing:
Fig. 1:
a section of a printing unit according to the invention of a printing machine.

Die hier vorliegende Erfindung betrifft eine Druckeinheit einer Druckmaschine, insbesondere eine Druckeinheit einer als Illustrationsdruckmaschine ausgebildeten Rollendruckmaschine. Bei der erfindungsgemäßen Druckeinheit kann es sich auch um eine Druckeinheit einer als Zeitungsdruckmaschine ausgebildeten Rollendruckmaschine handeln.The present invention relates to a printing unit of a printing press, in particular a printing unit of a web press designed as an illustration printing press. The printing unit according to the invention can also be a printing unit of a web press designed as a newspaper printing press.

Eine Druckeinheit einer Rollendruckmaschine verfügt über mehrere Druckwerke. Jedes Druckwerk verfügt über einen Formzylinder, der auch als Plattenzylinder bezeichnet wird, über einen auf den Formzylinder abrollenden Übertragungszylinder, der auch als Gummizylinder bezeichnet wird, sowie über ein Farbwerk und vorzugsweise über ein Feuchtwerk.A printing unit of a web-fed printing press has several printing units. Each printing unit has a form cylinder, which is also referred to as a plate cylinder, via a rolling on the forme cylinder transfer cylinder, which is also referred to as a rubber cylinder, and an inking unit and preferably via a dampening unit.

Vorzugsweise ist jedem Druckwerk einer solchen Druckeinheit ein separater Antriebsmotor zugeordnet, der entweder in den Formzylinder des jeweiligen Druckwerks oder in den Übertragungszylinder des jeweiligen Druckwerks eintreibt. Dann, wenn der Antriebsmotor in den Übertragungszylinder des jeweiligen Druckwerks eintreibt, wird der Formzylinder des jeweiligen Druckwerks vom Übertragungszylinder aus über eine Zahnradverbindung angetrieben.Preferably, each printing unit of such a printing unit is assigned a separate drive motor which either drives into the forme cylinder of the respective printing unit or into the transfer cylinder of the respective printing unit. Then, when the drive motor in the transfer cylinder of the respective printing unit eintreibt, the form cylinder of the respective printing unit is driven by the transfer cylinder via a gear connection.

Fig. 1 zeigt einen Ausschnitt aus einer erfindungsgemäßen Druckeinheit im Bereich eines Übertragungszylinders, wobei vom Übertragungszylinder lediglich eine Welle 10 des Übertragungszylinders gezeigt ist, die über ein Lager 11 in einer Seitenwand 12 der Druckeinheit drehbar gelagert ist. Auf der Welle 10 des Übertragungszylinders ist ein Zahnrad 13 positioniert, welches in ein auf einer Ritzelwelle 14 positioniertes Zahnrad 15 einkämmt. Die Ritzelwelle 14 ist über eine Ausgleichskupplung 16 mit einer Motorwelle 17 eines Antriebsmotors 18 gekoppelt, wobei über die Ausgleichskupplung 16 Fluchtungsfehler zwischen der Ritzelwelle 14 und der Motorwelle 17 ausgeglichen werden können. Fig. 1 shows a section of a printing unit according to the invention in the region of a transfer cylinder, wherein from the transfer cylinder only a shaft 10 of the transfer cylinder is shown, which is rotatably supported via a bearing 11 in a side wall 12 of the printing unit. On the shaft 10 of the transfer cylinder, a gear 13 is positioned, which is combed into a gear 15 positioned on a pinion shaft 14. The pinion shaft 14 is coupled via a compensating coupling 16 with a motor shaft 17 of a drive motor 18, wherein over the compensating coupling 16 misalignment between the pinion shaft 14 and the motor shaft 17 can be compensated.

Erfindungsgemäß ist dem Antriebsmotor 18, der in Fig. 1 über die Ritzelwelle 14 in den Übertragungszylinder eingreift, eine Schwungmasse 19 zugeordnet, die gemäß Fig. 1 mit der Motorwelle 17 des Antriebsmotors 18 und damit dem Läufer desselben verdrehsteif bzw. starr verbunden ist. Über die Schwungmasse 19, wird das Massenträgheitsmoment des Läufers des Antriebsmotors 18 erhöht, wodurch sich die Eigenfrequenz des Schwingungssystems aus Antriebsmotor 18, Ritzelwelle 14 und Übertragungszylinder erhöht. Durch die erhöhte Eigenfrequenz dieses Schwingungssystems kann in einem nicht dargestellten Antriebsregler des Antriebsmotors 18 ein Filterbereich, der auf die Eigenfrequenz des Schwingungssystems abgestellt ist, in Richtung auf höhere Werte verschoben werden, wodurch dann vom Antriebsregler Störungen bzw. Drehmomentschwankungen in einem geringeren Frequenzbereich besser ausgeregelt werden können. Hiermit kann Dublieren im Druckbild vermieden und die Druckqualität erhöht werden.According to the invention, the drive motor 18, which is in Fig. 1 engages over the pinion shaft 14 in the transfer cylinder, a flywheel 19 assigned according to Fig. 1 with the motor shaft 17 of the drive motor 18 and thus the rotor of the same torsionally rigid or rigidly connected. About the flywheel 19, the mass moment of inertia of the rotor of the drive motor 18 is increased, whereby the natural frequency of the vibration system of the drive motor 18, pinion shaft 14 and transfer cylinder increases. Due to the increased natural frequency of this vibration system, in a drive controller, not shown, of the drive motor 18, a filter area which is set to the natural frequency of the vibration system to be shifted in the direction of higher values, which then better regulated by the drive controller disturbances or torque fluctuations in a lower frequency range can. This duplication in the printed image can be avoided and the print quality can be increased.

Im gezeigten Ausführungsbeispiel umfasst die Schwungmasse 19 ein Schwungrad 20, welches über Schrauben 21 verdrehsteif und starr mit einer Scheibe 22 der Schwungmasse 19 verbunden ist. Die Scheibe 22, mit welcher das Schwungrad 20 verdrehsteif bzw. starr verbunden ist, ist ihrerseits über ein in Fig. 1 als Konusklemmnabe ausgebildetes Verbindungselement 23 verdrehsteif und starr mit der Motorwelle 17 des Antriebsmotors 18 verbunden.In the illustrated embodiment, the flywheel 19 comprises a flywheel 20, which is torsionally rigid and rigidly connected to a disc 22 of the flywheel 19 via screws 21. The disc 22, with which the flywheel 20 is torsionally rigid or rigidly connected, in turn, via a in Fig. 1 as a cone clamping hub trained connecting element 23 torsionally rigid and rigidly connected to the motor shaft 17 of the drive motor 18.

Im bevorzugten Ausführungsbeispiel ist die Schwungmasse 19 gegenüber dem Antriebsmotor 18 als separate Baugruppe ausgeführt, wobei gemäß Fig. 1 die Schwungmasse 19 derart mit dem Läufer des Antriebsmotors 18, nämlich der Motorwelle 17 desselben verbunden ist, dass das Schwungrad 20 die Ausgleichskupplung 16 konzentrisch umschließt. Im Unterschied hierzu ist es auch möglich, dass die Schwungmasse in den Antriebsmotor 18 derart integriert ist, dass dieselbe innerhalb des Gehäuses des Antriebsmotors positioniert und mit dem Läufer des Antriebsmotors 18 verdrehsteif bzw. starr verbunden ist.In the preferred embodiment, the flywheel 19 is compared to the drive motor 18 designed as a separate module, according to Fig. 1 the flywheel 19 is connected to the rotor of the drive motor 18, namely the motor shaft 17 thereof, in such a way that the flywheel 20 concentrically surrounds the compensation coupling 16. In contrast, it is also possible that the flywheel is integrated into the drive motor 18 such that it is positioned within the housing of the drive motor and with the rotor of the drive motor 18 torsionally rigid or rigidly connected.

Wie bereits ausgeführt, ist nach dem bevorzugten Ausführungsbeispiel der erfindungsgemäßen Druckeinheit jedem Druckwerk der Druckeinheit ein Antriebsmotor 18 mit einer verdrehsteif bzw. starr mit dem Läufer des Antriebsmotors verbundenen Schwungmasse zugeordnet. Bei einer Druckeinheit einer Illustrationsdruckmaschine, die zwei Druckwerke umfasst, bei denen die Druckwerke nicht über Zahnradeingriff miteinander verbunden sind, kann so eine Abweichung im Synchronlauf zwischen den Übertragungszylindern der Druckwerke und ein daraus folgendes Dublieren zwischen den beiden Druckwerken der Druckeinheit weitestgehend vermieden werden. Ebenso kann ein Dublieren zwischen mehreren Druckeinheiten einer Druckmaschine weitestgehend vermieden werden.As already stated, according to the preferred exemplary embodiment of the printing unit according to the invention, each printing unit of the printing unit is assigned a drive motor 18 with a flywheel mass that is torsionally rigid or rigidly connected to the rotor of the drive motor. In a printing unit of an illustration printing press, which comprises two printing units, in which the printing units are not connected to each other via gear engagement, so a deviation in synchronism between the transfer cylinders of the printing units and a subsequent doubling between the two printing units of the printing unit can be largely avoided. Likewise, a doubling between several printing units of a printing press can be largely avoided.

Die Erfindung ist auch bei Druckeinheiten einsetzbar, bei welchen mehreren mit Zahnradeingriff verbundenen Druckwerken einer Druckeinheit mindestens ein gemeinsamer Antriebsmotor zugeordnet ist, der in einen Formzylinder oder einen Übertragungszylinder eines der Druckwerke, denen mindestens ein gemeinsamer Antriebsmotor zugeordnet ist, eintreibt, wobei dann diesem Antriebsmotor wiederum eine verdrehsteif mit dem Läufer des jeweiligen Antriebsmotors verbundene Schwungmasse zugeordnet ist. Bei einer Druckmaschine, die zwei oder mehr Druckeinheiten umfasst, kann somit ein Dublieren zwischen den Druckeinheiten weitestgehend vermieden werden.The invention can also be used in printing units in which a plurality of pressure gear connected to a printing unit at least one common drive motor is assigned, in a form cylinder or a transfer cylinder of the printing units, which at least one common drive motor is assigned, then this drive motor in turn a torsionally rigid associated with the rotor of the respective drive motor flywheel is assigned. In a printing press, two or more Comprises printing units, thus duplication between the printing units can be largely avoided.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Wellewave
1111
Lagercamp
1212
SeitenwandSide wall
1313
Zahnradgear
1414
Ritzelwellepinion shaft
1515
Zahnradgear
1616
AusgleichskupplungFlexible coupling
1717
Motorwellemotor shaft
1818
Antriebsmotordrive motor
1919
SchwungmasseInertia
2020
Schwungradflywheel
2121
Schraubescrew
2222
Scheibedisc
2323
Verbindungselementconnecting element

Claims (5)

Druckeinheit einer Druckmaschine, insbesondere einer als Illustrationsdruckmaschine ausgebildeten Rollendruckmaschine, mit mindestens einem Druckwerk, wobei das oder jedes Druckwerk jeweils einen Formzylinder, einen Übertragungszylinder, ein Farbwerk und vorzugsweise ein Feuchtwerk umfasst, und wobei mindestens einem Druckwerk ein Antriebsmotor zugeordnet ist, der in den Formzylinder oder den Übertragungszylinder des jeweiligen Druckwerks eintreibt, dadurch gekennzeichnet, dass mindestens einem Antriebsmotor (18), der in den Formzylinder oder den Übertragungszylinder des jeweiligen Druckwerks eintreibt, eine Schwungmasse (19) zugeordnet ist, die verdrehsteif mit dem Läufer des jeweiligen Antriebsmotors (18) verbunden ist.Printing unit of a printing machine, in particular designed as an illustration printing machine web press, with at least one printing unit, wherein the or each printing unit each comprises a forme cylinder, a transfer cylinder, an inking unit and preferably a dampening unit, and wherein at least one printing unit is associated with a drive motor, in the forme cylinder or drives the transfer cylinder of the respective printing unit, characterized in that at least one drive motor (18), which drives into the forme cylinder or the transfer cylinder of the respective printing unit, a flywheel (19) is associated, the torsionally rigid with the rotor of the respective drive motor (18) connected is. Druckeinheit nach Anspruch 1, dadurch gekennzeichnet, dass dasselbe mehrere Druckwerke umfasst, wobei jedem Druckwerk ein separater Antriebsmotor (18) zugeordnet ist, der in den Formzylinder oder den Übertragungszylinder des jeweiligen Druckwerks eintreibt, und dass jedem dieser Antriebsmotoren (18) jeweils eine Schwungmasse (19) zugeordnet ist, die verdrehsteif mit dem Läufer des jeweiligen Antriebsmotors verbunden ist.Printing unit according to claim 1, characterized in that it comprises a plurality of printing units, wherein each printing unit is associated with a separate drive motor (18), which drives into the forme cylinder or the transfer cylinder of the respective printing unit, and that each of these drive motors (18) each have a flywheel ( 19) is assigned, which is torsionally rigidly connected to the rotor of the respective drive motor. Druckeinheit nach Anspruch 1, dadurch gekennzeichnet, dass dasselbe mehrere Druckwerke umfasst, wobei mehreren Druckwerken mindestens ein gemeinsamer Antriebsmotor zugeordnet ist, der in den Formzylinder oder den Übertragungszylinder eines der Druckwerke, denen ein gemeinsamer Antriebsmotor zugeordnet ist, eintreibt, und dass jedem dieser Antriebsmotoren jeweils eine Schwungmasse zugeordnet ist, die verdrehsteif mit dem Läufer des jeweiligen Antriebsmotors verbunden ist.Printing unit according to claim 1, characterized in that it comprises a plurality of printing units, wherein a plurality of printing units at least one common drive motor is assigned, which in the form cylinder or the transfer cylinder of the printing units, which a common drive motor is assigned drives, and that each of these drive motors respectively associated with a flywheel, which is torsionally rigidly connected to the rotor of the respective drive motor. Druckeinheit nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die jeweilige Schwungmasse (19) ein Schwungrad (20) umfasst, welches mit einer Scheibe (22) verdrehfest verbunden ist, und dass die Scheibe (22) verdrehfest mit der Welle (17) des Läufers des Antriebsmotors dicht an dessen Lagerschild verbunden ist.Printing unit according to one of claims 1 to 3, characterized in that the respective flywheel (19) comprises a flywheel (20) which is rotationally connected to a disc (22), and that the disc (22) rotationally fixed to the shaft (17 ) of the rotor of the drive motor is connected close to the bearing plate. Druckmaschine, insbesondere als Illustrationsdruckmaschine ausgebildete Rollendruckmaschine, gekennzeichnet durch mehrere Druckeinheiten nach einem oder mehreren der Ansprüche 1 bis 4.Printing machine, in particular designed as an illustration printing machine web press, characterized by a plurality of printing units according to one or more of claims 1 to 4.
EP09174012.6A 2008-10-31 2009-10-26 Printing unit Active EP2181847B1 (en)

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US8418610B2 (en) 2013-04-16
US20100107913A1 (en) 2010-05-06
EP2181847B1 (en) 2014-01-22
ES2445092T3 (en) 2014-02-28
DE102008054192A1 (en) 2010-05-06

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