EP0768174A1 - Method and device for connecting a cylinder - Google Patents

Method and device for connecting a cylinder Download PDF

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Publication number
EP0768174A1
EP0768174A1 EP96115767A EP96115767A EP0768174A1 EP 0768174 A1 EP0768174 A1 EP 0768174A1 EP 96115767 A EP96115767 A EP 96115767A EP 96115767 A EP96115767 A EP 96115767A EP 0768174 A1 EP0768174 A1 EP 0768174A1
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EP
European Patent Office
Prior art keywords
pressure
clutch
cylinder
control valve
working cylinder
Prior art date
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Granted
Application number
EP96115767A
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German (de)
French (fr)
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EP0768174B1 (en
Inventor
Hans Dierk Mohrmann
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Koenig and Bauer AG
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Koenig and Bauer Albert AG
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Publication of EP0768174A1 publication Critical patent/EP0768174A1/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
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches

Definitions

  • the invention relates to a method and a device for coupling a cylinder of a rotary printing press to a drive gear according to the preamble of claims 1 and 4.
  • DE-Gbm 1 858 031 shows a device for coupling a cylinder of a rotary printing press to a drive gear.
  • a cylinder barrel provided with a first clutch disc is pressed against a second, axially adjustable clutch disc by means of a working cylinder. This clutch disc is rigidly connected to the drive gear.
  • a disadvantage of this device is that it is not possible to decouple the drive wheel from the cylinder barrel without dismantling the cylinder barrel.
  • the invention has for its object to provide a method and an apparatus for coupling a cylinder of a rotary printing press.
  • the device according to the invention achieves a gentle, low-wear engagement during a controllable engagement process, since two rotating relative to each other Clutch discs are pressed against each other with reduced force compared to the engaged state.
  • the two pressures occurring in a working cylinder are measured by means of a pressure switch and used to display the clutch status.
  • This pressure switch can be arranged in the feed line of the working cylinder. This means that there are no problems due to oil mist, data transmission from rotating or axially displaceable parts.
  • a control valve used in the device for discharging a certain amount of pressure medium from the working cylinder is small and simple. It is operated directly by the interaction of the clutch discs. It is particularly advantageous that an annular gap formed by the control piston and pressure sleeve discharges a quantity of pressure medium into the open when the control valve is open and at the same time serves as a guide for the control piston.
  • the device according to the invention is shown in the drawing and is described in more detail below.
  • a cylinder of a rotary printing press can be connected to a drive gear 3 on a cylinder journal 1 by means of a switchable clutch 2.
  • This switchable clutch 2 consists of a first 6 and a second 4, each annular clutch disc, which are each provided on their opposite plane sides with end teeth 7, 8.
  • the spur gears 7, 8 are adapted to one another in such a way that the clutch 2 can only engage in a single position in which the two clutch plates 4, 6 are clearly in relation to one another, ie the clutch 2 is designed as a unique clutch.
  • the one clutch disk 4 can be provided with one or more teeth, for example wider teeth or teeth, which differ from the other teeth of the spur teeth 7, 8, and the other associated clutch disk 6 can be provided with tooth gaps adapted thereon.
  • One of the two clutch disks 4, 6 is rigidly connected to the cylinder journal 1.
  • the left clutch disc 4, which is closest to a cylinder barrel, and a gearwheel 9 for driving further cylinders (not shown) or an inking unit are fastened on the cylinder journal 1 by means of a feather key 11.
  • the cylinder is axially displaceable with the clutch disc 4 and the gear 9 for setting the side register.
  • the right clutch disc 6 is torsionally rigid, but axially displaceably connected to the drive gear 3.
  • the clutch disc 6 on its circumference an external toothing 12 with a width b12, z. B.
  • b12 18 mm, which in an introduced into the drive gear 3 internal teeth 13 with a width b13, z. B.
  • the drive gear 3 is attached to a hub 14.
  • This hub 14 has a bore 16 adapted to the cylinder pin 1, so that the hub 14 with the drive gear 3 is rotatably and axially displaceably mounted on the cylinder pin 1.
  • the axial shift which is used to set the circumferential register, takes place by means of an axially displaceable spindle 17, which is mounted in the cylinder journal 1 and is connected to a register setting device (not shown), which is rigidly connected to the drive gear 3 via a disk 18.
  • a working cylinder 19 is flanged to this hub 14 of the drive gear 3.
  • the working cylinder 19 has an annular, axially displaceable piston 21, which acts on cylindrical pressure pieces 22.
  • a plurality, e.g. B. 8 pieces, these pressure pieces 22 are evenly supported in the circumferential direction in bores 23 of the hub 14 and connected by means of screws 24 to the right clutch disc 6.
  • the pressure pieces 22 are provided with a collar 26 at their end cooperating with the piston 21. Between this collar 26 and the hub 14 22 compression springs 27 are arranged on the pressure pieces.
  • With the working cylinder 19 is a rotary entry 28 connected, which supplies a cylinder space 31 with pressure medium via a bore 29.
  • a feed line 32 to the rotary inlet 28 is a not shown, for. B.
  • the switching point is set to 5 bar, for example.
  • the cylinder space 31 is connected via a bore 33 made in the piston 21 to a line 34 which in turn connects to a control valve 36.
  • the control valve 36 is fixedly mounted in the right clutch disc 6 and interacts temporarily with the left clutch disc 4.
  • This control valve 36 consists essentially of a housing 37, a control piston 38, a compression spring 39 and a pressure sleeve 41 has provided.
  • a second, continuous bore 44 with an inner diameter d44, z. B. d44 6.5 mm.
  • the control piston 38 is arranged to be movable in the longitudinal direction.
  • This control piston 38 has at its first end a conical sealing head 46, this conical sealing head 46 having an annular circumferential groove 47 for receiving a sealing ring 48, for. B. an O-ring is provided.
  • This compression spring 39 presses with its first end against an underside 51 of the sealing head 46 and with its second end against an upper end face 52 of the pressure sleeve 41.
  • the bore 53 of the pressure sleeve 41 and the shaft 49 of the control piston 38 form an annular gap 54.
  • An outer diameter D41, for. B. D41 6.4 mm, the pressure sleeve 41 is adapted in the region of a shoulder 56 to the inside diameter d44 of the housing 37 in such a way that the pressure sleeve 41 is displaceably mounted in the longitudinal direction.
  • an end face 57 of the shoulder 56 serving as a stop
  • an end face 58 of a stop sleeve 59 interacts, which is fastened in the bore 44 of the housing 37 to limit the path of the pressure sleeve 41.
  • a lower end face 61 of the pressure sleeve 41 protrudes from the housing 37.
  • This control valve 36 is mounted in the right clutch disc 6 so that the end face 61 of the pressure sleeve 41 cooperates with the left clutch half 4 in the coupled state.
  • pressure medium is supplied to the working cylinder 19 via the rotary inlet 28.
  • This pressure medium flows through the line 34 to the control valve 36 and presses the cone-like sealing head 46 of the control piston 38 away from the cone-like depression 43 by the pressure which builds up, so that pressure medium flows through a resulting annular gap.
  • This pressure medium escapes through the annular gap 54 of the control piston 38 and the pressure sleeve 41 to the outside.
  • This annular gap 54 and the amount of pressure medium supplied to the working cylinder 19 are matched to one another such that a pressure builds up in the working cylinder 19 and the two clutch disks 4, 6 are pressed against one another by means of the pressure pieces 22.
  • p1 3.5 bar
  • the size of the pressure p1 is preferably 1/3 to 2/3 of the final pressure p2.
  • the cylinder is now rotated by means of an auxiliary drive, not shown, so that the two clutch disks 4, 6 pressed onto one another rotate relative to one another.
  • the pressure sleeve 41 of the control valve 36 does not touch the left clutch disc 4 and the control valve 36 remains open.
  • an electromagnetic valve can also be used.
  • This solenoid valve is controlled by means of a sensor which removes the position of the clutch disc 6.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The first coupling plate (6) by means of a work cylinder (19) fed with pressure medium is axially displaceable relatively to the second coupling plate (4). The first coupling plate is provided with a control valve (36). This control valve is so operable by the second coupling plate that during a coupling process it feeds pressure medium out of the work cylinder and the control valve is closed in a coupled state. The pressure (p1) during the coupling process amounts to a third to two thirds of the final pressure (p2), i.e. p1 = 1/3 to 2/3 p2. A pressure switch measures the ruling pressure (p1, p2) in the work cylinder.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Ankuppeln eines Zylinders einer Rotationsdruckmaschine an ein Antriebszahnrad gemäß dem Oberbegriff der Ansprüche 1 und 4.The invention relates to a method and a device for coupling a cylinder of a rotary printing press to a drive gear according to the preamble of claims 1 and 4.

Das DE-Gbm 1 858 031 zeigt eine Vorrichtung zum Ankuppeln eines Zylinders einer Rotationsdruckmaschine an ein Antriebszahnrad. Dabei wird ein mit einer ersten Kupplungsscheibe versehener Zylinderballen mittels eines Arbeitszylinders gegen eine zweite, axial einstellbare Kupplungsscheibe gedrückt. Diese Kupplungsscheibe ist starr mit dem Antriebszahnrad verbunden.DE-Gbm 1 858 031 shows a device for coupling a cylinder of a rotary printing press to a drive gear. A cylinder barrel provided with a first clutch disc is pressed against a second, axially adjustable clutch disc by means of a working cylinder. This clutch disc is rigidly connected to the drive gear.

Nachteilig an dieser Vorrichtung ist, daß ein Entkuppeln des Antriebsrades vom Zylinderballen nicht möglich ist, ohne den Zylinderballen zu demontieren.A disadvantage of this device is that it is not possible to decouple the drive wheel from the cylinder barrel without dismantling the cylinder barrel.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zum Ankuppeln eines Zylinders einer Rotationsdruckmaschine zu schaffen.The invention has for its object to provide a method and an apparatus for coupling a cylinder of a rotary printing press.

Diese Aufgabe wird durch die Merkmale der kennzeichnenden Teile der Ansprüche 1 und 4 gelöst.This object is achieved by the features of the characterizing parts of claims 1 and 4.

In vorteilhafter Weise wird durch die erfindungsgemäße Vorrichtung ein schonendes, verschleißarmes Einkuppeln während eines steuerbaren Einkuppelvorganges erreicht, da zwei, sich relativ zueinander drehende Kupplungsscheiben im Vergleich zum eingekuppelten Zustand mit reduzierter Kraft aufeinander gepreßt werden. Die zwei in einem Arbeitszylinder auftretenden Drücke werden mittels eines Druckschalters gemessen und zur Anzeige des Kupplungszustandes verwendet. Dieser Druckschalter kann in der Zuleitung des Arbeitszylinders angeordnet sein. Dadurch treten keine Probleme infolge Ölnebels, Datenübertragung von rotierenden oder axial verschiebbaren Teilen auf.
Ein in der Vorrichtung verwendetes Steuerventil zum Abführen einer bestimmten Druckmittelmenge aus dem Arbeitszylinder baut klein und einfach. Es wird durch das Zusammenwirken der Kupplungsscheiben direkt betätigt. Besonders vorteilhaft ist, daß ein von Steuerkolben und Druckhülse gebildeter Ringspalt eine Menge von Druckmittel bei geöffneten Steuerventil ins Freie abführend dosiert und gleichzeitig als Führung für den Steuerkolben dient.Advantageously, the device according to the invention achieves a gentle, low-wear engagement during a controllable engagement process, since two rotating relative to each other Clutch discs are pressed against each other with reduced force compared to the engaged state. The two pressures occurring in a working cylinder are measured by means of a pressure switch and used to display the clutch status. This pressure switch can be arranged in the feed line of the working cylinder. This means that there are no problems due to oil mist, data transmission from rotating or axially displaceable parts.
A control valve used in the device for discharging a certain amount of pressure medium from the working cylinder is small and simple. It is operated directly by the interaction of the clutch discs. It is particularly advantageous that an annular gap formed by the control piston and pressure sleeve discharges a quantity of pressure medium into the open when the control valve is open and at the same time serves as a guide for the control piston.

Die erfindungsgemäße Vorrichtung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.The device according to the invention is shown in the drawing and is described in more detail below.

Es zeigen

Fig. 1
einen schematischen Schnitt durch eine erfindungsgemäße Vorrichtung;
Fig. 2
einen schematischen Schnitt durch ein zugehöriges Steuerventil.
Show it
Fig. 1
a schematic section through a device according to the invention;
Fig. 2
a schematic section through an associated control valve.

Ein Zylinder einer Rotationsdruckmaschine ist an einem Zylinderzapfen 1 mittels einer schaltbaren Kupplung 2 mit einem Antriebszahnrad 3 verbindbar. Diese schaltbare Kupplung 2 besteht aus einer ersten 6 und zweiten 4, jeweils ringförmigen Kupplungsscheibe, die jeweils an ihren gegenüberliegenden Planseiten mit einer Stirnverzahnung 7, 8 versehen sind. Die Stirnverzahnungen 7, 8 sind derart aufeinander angepaßt, daß die Kupplung 2 nur in einer einzigen Stellung, in der die beiden Kupplungsscheiben 4, 6 eindeutig zueinander stehen, einkuppeln kann, d. h. die Kupplung 2 ist als Eindeutigkeitskupplung ausgeführt. Dazu kann die eine Kupplungsscheibe 4 mit einem oder mehreren sich von den übrigen Zähnen der Stirnverzahnung 7, 8 unterscheidenden, beispielsweise breiteren Zahn bzw. Zähnen und die andere, zugehörige Kupplungsscheibe 6 mit darauf angepaßten Zahnlücken versehen sein. Eine der beiden Kupplungsscheiben 4, 6 ist starr mit dem Zylinderzapfen 1 verbunden. Im vorliegenden Beispiel sind die linke, einem Zylinderballen nächstliegende Kupplungsscheibe 4 und ein Zahnrad 9 zum Antrieb weiterer nichtdargestellter Zylinder oder eines Farbwerkes mittels einer Paßfeder 11 auf dem Zylinderzapfen 1 befestigt. Der Zylinder ist mit der Kupplungsscheibe 4 und dem Zahnrad 9 zur Seitenregistereinstellung axial verschiebbar.
Die rechte Kupplungsscheibe 6 ist drehsteif, aber axial verschiebbar mit dem Antriebszahnrad 3 verbunden. Hierzu weist die Kupplungsscheibe 6 an ihrem Umfang eine Außenverzahnung 12 mit einer Breite b12, z. B. b12 = 18 mm, auf, die in eine in das Antriebszahnrad 3 eingebrachte Innenverzahnung 13 mit einer Breite b13, z. B. b13 = 40 mm, eingreift. Das Antriebszahnrad 3 ist an einer Nabe 14 befestigt. Diese Nabe 14 weist eine auf den Zylinderzapfen 1 angepaßte Bohrung 16 auf, so daß die Nabe 14 mit dem Antriebszahnrad 3 auf dem Zylinderzapfen 1 drehbar und axial verschiebbar gelagert ist. Die axiale, zur Umfangsregistereinsteilung dienende Verschiebung erfolgt mittels einer im Zylinderzapfen 1 gelagerten, mit einer nichtdargestellten Registereinstelleinrichtung verbundenen, axial verschiebbaren Spindel 17, die mit dem Antriebszahnrad 3 über eine Scheibe 18 starr verbunden ist.A cylinder of a rotary printing press can be connected to a drive gear 3 on a cylinder journal 1 by means of a switchable clutch 2. This switchable clutch 2 consists of a first 6 and a second 4, each annular clutch disc, which are each provided on their opposite plane sides with end teeth 7, 8. The spur gears 7, 8 are adapted to one another in such a way that the clutch 2 can only engage in a single position in which the two clutch plates 4, 6 are clearly in relation to one another, ie the clutch 2 is designed as a unique clutch. For this purpose, the one clutch disk 4 can be provided with one or more teeth, for example wider teeth or teeth, which differ from the other teeth of the spur teeth 7, 8, and the other associated clutch disk 6 can be provided with tooth gaps adapted thereon. One of the two clutch disks 4, 6 is rigidly connected to the cylinder journal 1. In the present example, the left clutch disc 4, which is closest to a cylinder barrel, and a gearwheel 9 for driving further cylinders (not shown) or an inking unit are fastened on the cylinder journal 1 by means of a feather key 11. The cylinder is axially displaceable with the clutch disc 4 and the gear 9 for setting the side register.
The right clutch disc 6 is torsionally rigid, but axially displaceably connected to the drive gear 3. For this has the clutch disc 6 on its circumference an external toothing 12 with a width b12, z. B. b12 = 18 mm, which in an introduced into the drive gear 3 internal teeth 13 with a width b13, z. B. b13 = 40 mm. The drive gear 3 is attached to a hub 14. This hub 14 has a bore 16 adapted to the cylinder pin 1, so that the hub 14 with the drive gear 3 is rotatably and axially displaceably mounted on the cylinder pin 1. The axial shift, which is used to set the circumferential register, takes place by means of an axially displaceable spindle 17, which is mounted in the cylinder journal 1 and is connected to a register setting device (not shown), which is rigidly connected to the drive gear 3 via a disk 18.

An dieser Nabe 14 des Antriebszahnrades 3 ist ein Arbeitszylinder 19 angeflanscht. Der Arbeitszylinder 19 weist einen ringförmigen, axial verschiebbaren Kolben 21 auf, der auf zylinderförmige Druckstücke 22 wirkt. Eine Mehrzahl, z. B. 8 Stück, dieser Druckstücke 22 sind gleichmäßig in Umfangsrichtung in Bohrungen 23 der Nabe 14 gelagert und mittels Schrauben 24 mit der rechten Kupplungsscheibe 6 verbunden. Die Druckstücke 22 sind an ihrem mit dem Kolben 21 zusammenwirkenden Ende mit einem Bund 26 versehen. Zwischen diesem Bund 26 und der Nabe 14 sind auf den Druckstücken 22 Druckfedern 27 angeordnet.
Mit dem Arbeitszylinder 19 ist eine Dreheinführung 28 verbunden, die über eine Bohrung 29 einen Zylinderraum 31 mit Druckmittel versorgt. In einer Zuleitung 32 zu der Dreheinführung 28 ist ein nichtdargestellter, z. B. elektro-pneumatischer Druckschalter vorgesehen, dessen Schaltpunkt beispielsweise auf 5 bar eingestellt ist. Der Zylinderraum 31 ist über eine in den Kolben 21 eingebrachte Bohrung 33 mit einer Leitung 34 verbunden, die wiederum an ein Steuerventil 36 anschließt. Das Steuerventil 36 ist fest in der rechten Kupplungsscheibe 6 montiert und wirkt zeitweise mit der linken Kupplungsscheibe 4 zusammen.
Dieses Steuerventil 36 besteht im wesentlichen aus einem Gehäuse 37, einem Steuerkolben 38, einer Druckfeder 39 und einer Druckhülse 41. Das Gehäuse 37 ist stirnseitig mit einer Bohrung 42, an deren einem Ende die Leitung 34 angeschlossen ist und deren zweites Ende eine konusartige Senkung 43 aufweist, versehen. An diese Bohrung 42 schließt in Längsrichtung eine zweite, durchgehende Bohrung 44 mit einem Innendurchmesser d44, z. B. d44 = 6,5 mm an. In dieser Bohrung 44 ist der Steuerkolben 38 in Längsrichtung beweglich angeordnet.A working cylinder 19 is flanged to this hub 14 of the drive gear 3. The working cylinder 19 has an annular, axially displaceable piston 21, which acts on cylindrical pressure pieces 22. A plurality, e.g. B. 8 pieces, these pressure pieces 22 are evenly supported in the circumferential direction in bores 23 of the hub 14 and connected by means of screws 24 to the right clutch disc 6. The pressure pieces 22 are provided with a collar 26 at their end cooperating with the piston 21. Between this collar 26 and the hub 14 22 compression springs 27 are arranged on the pressure pieces.
With the working cylinder 19 is a rotary entry 28 connected, which supplies a cylinder space 31 with pressure medium via a bore 29. In a feed line 32 to the rotary inlet 28 is a not shown, for. B. provided electro-pneumatic pressure switch, the switching point is set to 5 bar, for example. The cylinder space 31 is connected via a bore 33 made in the piston 21 to a line 34 which in turn connects to a control valve 36. The control valve 36 is fixedly mounted in the right clutch disc 6 and interacts temporarily with the left clutch disc 4.
This control valve 36 consists essentially of a housing 37, a control piston 38, a compression spring 39 and a pressure sleeve 41 has provided. A second, continuous bore 44 with an inner diameter d44, z. B. d44 = 6.5 mm. In this bore 44, the control piston 38 is arranged to be movable in the longitudinal direction.

Dieser Steuerkolben 38 weist an seinem ersten Ende einen konusartigen Dichtkopf 46 auf, wobei dieser konusartige Dichtkopf 46 mit einer ringförmig umlaufenden Nut 47 zur Aufnahme eines Dichtringes 48, z. B. eines O-Ringes, versehen ist. An diesen konusartigen Dichtkopf 46 schließt sich ein Schaft 49 mit einem Durchmesser d49, z. B. d49 = 3 mm, an, der zur Aufnahme der Druckfeder 39 dient. Diese Druckfeder 39 drückt mit ihrem ersten Ende gegen eine Unterseite 51 des Dichtkopfes 46 und mit ihrem zweiten Ende gegen eine obere Stirnfläche 52 der Druckhülse 41. Die Druckhülse 41 weist eine Bohrung 53 mit einem Durchmesser d53, z. B. d53 = 3,5 mm, in Längsrichtung verlaufend auf. Die Bohrung 53 der Druckhülse 41 und der Schaft 49 des Steuerkolbens 38 bilden einen Ringspalt 54. Ein Außendurchmesser D41, z. B. D41 = 6,4 mm, der Druckhülse 41 ist im Bereich eines Absatzes 56 auf den Innendurchmesser d44 des Gehäuses 37 derart angepaßt, daß die Druckhülse 41 in Längsrichtung verschiebbar gelagert ist. Mit einer unteren, als Anschlag dienenden Stirnfläche 57 des Absatzes 56 wirkt zeitweise eine Stirnfläche 58 einer Anschlaghülse 59 zusammen, die zum Begrenzen des Weges der Druckhülse 41 in der Bohrung 44 des Gehäuses 37 befestigt ist. Eine untere Stirnfläche 61 der Druckhülse 41 ragt aus dem Gehäuse 37 heraus. Dieses Steuerventil 36 ist so in der rechten Kupplungsscheibe 6 montiert, daß im eingekuppelten Zustand die Stirnfläche 61 der Druckhülse 41 mit der linken Kupplungshälfte 4 zusammenwirkt.This control piston 38 has at its first end a conical sealing head 46, this conical sealing head 46 having an annular circumferential groove 47 for receiving a sealing ring 48, for. B. an O-ring is provided. At this conical sealing head 46, a shaft 49 with a diameter d49, z. B. d49 = 3 mm, to receive the compression spring 39 serves. This compression spring 39 presses with its first end against an underside 51 of the sealing head 46 and with its second end against an upper end face 52 of the pressure sleeve 41. The pressure sleeve 41 has a bore 53 with a diameter d53, z. B. d53 = 3.5 mm, running in the longitudinal direction. The bore 53 of the pressure sleeve 41 and the shaft 49 of the control piston 38 form an annular gap 54. An outer diameter D41, for. B. D41 = 6.4 mm, the pressure sleeve 41 is adapted in the region of a shoulder 56 to the inside diameter d44 of the housing 37 in such a way that the pressure sleeve 41 is displaceably mounted in the longitudinal direction. With a lower end face 57 of the shoulder 56 serving as a stop, an end face 58 of a stop sleeve 59 interacts, which is fastened in the bore 44 of the housing 37 to limit the path of the pressure sleeve 41. A lower end face 61 of the pressure sleeve 41 protrudes from the housing 37. This control valve 36 is mounted in the right clutch disc 6 so that the end face 61 of the pressure sleeve 41 cooperates with the left clutch half 4 in the coupled state.

Die Funktionsweise der erfindungsgemäßen Vorrichtung ist folgendermaßen:The operation of the device according to the invention is as follows:

In einer ausgerückten Stellung der Kupplung 2 ist der Zylinderraum 31 des Arbeitszylinders 19 nicht mit Druckmittel beaufschlagt. Dadurch drücken die Druckfedern 27 über die Druckstücke 22 den Kolben 21 nach rechts und ziehen gleichzeitig die rechte Kupplungsscheibe 6 entlang der Innenverzahnung 13 des Antriebsrades 3 aus der Stirnverzahnung 7 der linken Kupplungsscheibe 4, bis beide Kupplungsscheiben 4, 6 außer Eingriff sind. Dabei gerät die Stirnfläche 61 der Druckhülse 41 des Steuerventils 36 mit der linken Kupplungsscheibe 4 außer Kontakt, so daß die Druckhülse 41 von der Druckfeder 39 gegen die Anschlaghülse 59 gedrückt und die Druckfeder 39 entspannt wird.In a disengaged position of the clutch 2, the cylinder space 31 of the working cylinder 19 is not pressurized. This pushes the Compression springs 27 on the pressure pieces 22 push the piston 21 to the right and at the same time pull the right clutch disc 6 along the internal toothing 13 of the drive wheel 3 from the spur toothing 7 of the left clutch disc 4 until both clutch discs 4, 6 are disengaged. The end face 61 of the pressure sleeve 41 of the control valve 36 comes out of contact with the left clutch disc 4, so that the pressure sleeve 41 is pressed by the compression spring 39 against the stop sleeve 59 and the compression spring 39 is relaxed.

Zum Einkuppeln des Zylinders an das Antriebsrad 3 wird dem Arbeitszylinder 19 über die Dreheinführung 28 Druckmittel zugeführt. Dieses Druckmittel strömt durch die Leitung 34 auch zu dem Steuerventil 36 und drückt durch den sich aufbauenden Druck den konusartigen Dichtkopf 46 des Steuerkolbens 38 von der konusartigen Senkung 43 weg, so daß durch sich einen dadurch ergebenden Ringspalt Druckmittel fließt. Dieses Druckmittel entweicht durch den Ringspalt 54 von Steuerkolben 38 und Druckhülse 41 ins Freie. Dieser Ringspalt 54 und die dem Arbeitszylinder 19 zugeführte Menge von Druckmittel sind derart aufeinander abgestimmt, so daß sich ein Druck im Arbeitszylinder 19 aufbaut und die beiden Kupplungsscheiben 4, 6 mittels der Druckstücke 22 aufeinander gedrückt werden. Eine Größe des Druckes p1, z. B. p1 = 3,5 bar, ist bei geöffneten Steuerventil 36 während des Einkuppelvorganges kleiner als ein Enddruck p2, z. B. p2 = 6 bar, bei geschlossenen Steuerventil 36, d.h. im eingekuppelten Zustand. Die Größe des Drucks p1 beträgt vorzugsweise 1/3 bis 2/3 des Enddrucks p2. Dazu wird die zugeführte Menge des Druckmittels mittels z. B. einer nichtdargestellten Drossel dosiert.
Der Zylinder wird nun mittels eines nichtdargestellten Hilfsantriebes gedreht, so daß sich die beiden aufeinander gepreßten Kupplungsscheiben 4, 6 relativ zueinander verdrehen. Die Druckhülse 41 des Steuerventiles 36 berührt dabei nicht die linke Kupplungsscheibe 4 und das Steuerventil 36 bleibt geöffnet. Erreichen nun die beiden Kupplungsscheiben 4, 6 ihre eindeutig zugeordnete Stellung, rasten die beiden Stirnverzahnungen 7, 8 ineinander ein. Die linke Kupplungsscheibe 4 drückt nun gegen die Druckhülse 41 des Steuerventils 36 und diese wiederum spannt die damit zusammenwirkende Druckfeder 39. Diese gespannte Druckfeder 39, deren Druckkraft größer als eine auf den Steuerkolben 38 wirkende Kraft infolge des Druckmittels ist, drückt den Steuerkolben 38 gegen die Senkung 43 des Gehäuses 37 und der Ringspalt zwischen Dichtkopf 46 und Senkung 43 wird so geschlossen. Das Steuerventil 36 ist damit geschlossen, es kann kein Druckmittel mehr entweichen, weswegen sich der Enddruck p2 im Arbeitszylinder 19 einstellt. Der Druckschalter in der Zuleitung 32 zu der Dreheinführung 28 schaltet durch den Druckanstieg und gibt ein elektrisches Signal, das zur weiteren Maschinensteuerung verwendet wird.In order to couple the cylinder to the drive wheel 3, pressure medium is supplied to the working cylinder 19 via the rotary inlet 28. This pressure medium flows through the line 34 to the control valve 36 and presses the cone-like sealing head 46 of the control piston 38 away from the cone-like depression 43 by the pressure which builds up, so that pressure medium flows through a resulting annular gap. This pressure medium escapes through the annular gap 54 of the control piston 38 and the pressure sleeve 41 to the outside. This annular gap 54 and the amount of pressure medium supplied to the working cylinder 19 are matched to one another such that a pressure builds up in the working cylinder 19 and the two clutch disks 4, 6 are pressed against one another by means of the pressure pieces 22. A size of the pressure p1, e.g. B. p1 = 3.5 bar, is smaller than an end pressure p2 when the control valve 36 is open during the coupling process, e.g. B. p2 = 6 bar, with the control valve 36 closed, ie in the coupled state. The size of the pressure p1 is preferably 1/3 to 2/3 of the final pressure p2. For this purpose, the amount of pressure medium supplied by means of z. B. metered a throttle, not shown.
The cylinder is now rotated by means of an auxiliary drive, not shown, so that the two clutch disks 4, 6 pressed onto one another rotate relative to one another. The pressure sleeve 41 of the control valve 36 does not touch the left clutch disc 4 and the control valve 36 remains open. If the two clutch disks 4, 6 now reach their clearly assigned position, the two spur gears 7, 8 snap into one another. The left clutch disc 4 now presses against the pressure sleeve 41 of the control valve 36 and this in turn tensions the pressure spring 39 cooperating therewith. This tensioned pressure spring 39, the compressive force of which is greater than a force acting on the control piston 38 as a result of the pressure medium, presses the control piston 38 against the Lowering 43 of the housing 37 and the annular gap between the sealing head 46 and the lowering 43 are closed in this way. The control valve 36 is thus closed, no more pressure medium can escape, which is why the final pressure p2 is established in the working cylinder 19. The pressure switch in the feed line 32 to the rotary inlet 28 switches through the pressure increase and gives an electrical signal which is used for further machine control.

Anstelle des direkt mechanisch betätigten Steuerventils 36 kann auch beispielsweise ein Elektromagnetventil verwendet werden. Dieses Elektromagnetventil wird mittels eines Sensors, der die Stellung der Kupplungsscheibe 6 abträgt, angesteuert.Instead of the directly mechanically operated control valve 36, for example an electromagnetic valve can also be used. This solenoid valve is controlled by means of a sensor which removes the position of the clutch disc 6.

TeilelisteParts list

11
ZylinderzapfenCylinder journal
22nd
Kupplungclutch
33rd
Antriebsraddrive wheel
44th
Kupplungsscheibe, linkeClutch disc, left
55
--
66
Kupplungsscheibe, rechteClutch disc, right
77
Stirnverzahnung (4)Spur toothing (4)
88th
Stirnverzahnung (6)Spur toothing (6)
99
Zahnradgear
1010th
--
1111
Paßfederadjusting spring
1212th
Außenverzahnung (6)External teeth (6)
1313
Innenverzahnung (3)Internal teeth (3)
1414
Nabehub
1515
--
1616
Bohrung (14)Bore (14)
1717th
Spindelspindle
1818th
Scheibedisc
1919th
ArbeitszylinderWorking cylinder
2020th
--
2121
Kolben (19)Piston (19)
2222
DruckstückeThrust pieces
2323
Bohrung (14)Bore (14)
2424th
SchraubenScrews
2525th
--
2626
Bund (22)Bund (22)
2727
DruckfederCompression spring
2828
DreheinführungRotary introduction
2929
Bohrungdrilling
3030th
--
3131
ZylinderraumCylinder space
3232
Zuleitung (28)Supply (28)
3333
Bohrung (21)Bore (21)
3434
Leitungmanagement
3535
--
3636
SteuerventilControl valve
3737
Gehäusecasing
3838
SteuerkolbenControl piston
3939
DruckfederCompression spring
4040
--
4141
DruckhülsePressure sleeve
4242
Bohrung (37)Bore (37)
4343
Senkung, konusartigLowering, conical
4444
Bohrung (37)Bore (37)
4545
--
4646
Dichtkopf (38)Sealing head (38)
4747
Nut (46)Groove (46)
4848
Dichtring (46)Sealing ring (46)
4949
Schaft (38)Shaft (38)
5050
--
5151
Unterseite (46)Underside (46)
5252
Stirnfläche (41)End face (41)
5353
Bohrung (41)Bore (41)
5454
Ringspalt (38, 41)Annular gap (38, 41)
5555
--
5656
Absatz (41)Heel (41)
5757
Stirnfläche (56)End face (56)
5858
Stirnfläche 59)End face 59)
5959
AnschlaghülseStop sleeve
6060
--
6161
Stirnfläche (41)End face (41)
D41D41
Außendurchmesser der Druckhülse (41)Outside diameter of the pressure sleeve (41)
b12b12
Breite der Außenverzahnung (12)External teeth width (12)
b13b13
Breite der Innenverzahnung (13)Internal teeth width (13)
d44d44
Innendurchmesser der Bohrung (44)Inner diameter of the bore (44)
d49d49
Durchmesser des Schaftes (49)Shaft diameter (49)
d53d53
Durchmesser der Bohrung (53)Bore diameter (53)
p1p1
Druckpressure
p2p2
EnddruckFinal pressure

Claims (12)

Verfahren zum Ankuppeln eines Zylinders einer Rotationsdruckmaschine an ein Antriebszahnrad (3) mittels einer schaltbaren, aus einer ersten (6) und einer zweiten (4) Kupplungsscheibe bestehenden Kupplung (2), wobei die erste, mit dem Antriebszahnrad (3) verbundene Kupplungsscheibe (6) mittels eines mit Druckmittel beaufschlagbaren Arbeitszylinders (19) mit der zweiten, mit dem Zylinder verbundenen Kupplungsscheibe (4) gekuppelt wird, dadurch gekennzeichnet, daß der Arbeitszylinder (19) während eines Einkuppelvorganges mit einem kleineren Druck (p1) als einem im eingekuppelten Zustand herrschenden Enddruck (p2) beaufschlagt wird.Method for coupling a cylinder of a rotary printing press to a drive gear (3) by means of a switchable clutch (2) consisting of a first (6) and a second (4) clutch disc, the first clutch disc (6) connected to the drive gear (3) ) is coupled to the second clutch disc (4) connected to the cylinder by means of a working cylinder (19) which can be pressurized, characterized in that the working cylinder (19) has a lower pressure (p1) than in the engaged state during a coupling process Final pressure (p2) is applied. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die mit dem Antriebszahnrad (3) verbundene Kupplungsscheibe (6) und die mit dem Zylinder verbundene Kupplungsscheibe (4) mittels des Arbeitszylinders (19) relativ zueinander axial verschoben werden.Method according to Claim 1, characterized in that the clutch disc (6) connected to the drive gear (3) and the clutch disc (4) connected to the cylinder are axially displaced relative to one another by means of the working cylinder (19). Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß während des Einkuppelvorganges aus dem Arbeitszylinder (19) Druckmittel geführt wird.Method according to claim 1, characterized in that pressure medium is led out of the working cylinder (19) during the coupling process. Vorrichtung zum Ankuppeln eines Zylinders einer Rotationsdruckmaschine an ein Antriebszahnrad (3) mittels einer schaltbaren, aus einer ersten (6), mit dem Antriebszahnrad (3) verbundenen und einer zweiten (4), mit dem Zylinder verbundenen Kupplungsscheibe bestehenden Kupplung (2), wobei die erste Kupplungsscheibe (6) mittels eines mit Druckmittel beaufschlagbaren Arbeitszylinders (19) relativ zur zweiten Kupplungsscheibe (4) verschiebbar angeordnet ist, dadurch gekennzeichnet, daß ein Steuerventil (36) derart steuerbar angeordnet ist, so daß ein während eines Einkuppelvorganges herrschender Druck (p1) im Arbeitszylinder (19) kleiner als ein im eingekuppelten Zustand herrschender Enddruck (p2) ist.Device for coupling a cylinder of a rotary printing press to a drive gear (3) by means of a switchable, from a first (6), with the Drive gear (3) connected and a second (4), clutch plate connected to the clutch (2), the first clutch plate (6) being displaceable relative to the second clutch plate (4) by means of a working cylinder (19), characterized in that a control valve (36) is arranged so that it can be controlled so that a pressure (p1) in the working cylinder (19) during a coupling process is less than a final pressure (p2) in the coupled state. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Steuerventil (36) aus dem Arbeitszylinder (19) während des Einkuppelvorganges Druckmittel führend angeordnet ist.Device according to claim 4, characterized in that the control valve (36) from the working cylinder (19) is arranged to guide pressure medium during the coupling process. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Druck (p1) während des Einkuppelvorganges ein Drittel bis zwei Drittel des Enddruckes (p2) beträgt, d. h. p1 = 1/3 bis 2/3 * p2.Apparatus according to claim 4, characterized in that the pressure (p1) during the coupling process is one third to two thirds of the final pressure (p2), d. H. p1 = 1/3 to 2/3 * p2. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß ein den im Arbeitszylinder (19) herrschenden Druck (p1; p2) messender Druckschalter vorgesehen ist.Apparatus according to claim 4, characterized in that a pressure switch measuring the pressure (p1; p2) prevailing in the working cylinder (19) is provided. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Steuerventil (36) im wesentlichen aus einem Gehäuse (37), einem Steuerkolben (38), einer Druckfeder (39) und einer Druckhülse (41) besteht, daß ein Schaft (49) des Steuerkolbens (38) und eine Bohrung (53) der Druckhülse (41) einen ins Freie führenden Ringspalt (54) bildend angeordnet sind, daß die in Längsrichtung verschiebbare Druckhülse (41) mittels der Druckfeder (39) mit dem Steuerkolben (38) zusammenwirkend angeordnet ist.Device according to claim 4, characterized in that the control valve (36) essentially consists of a housing (37), a control piston (38) and a compression spring (39) and a pressure sleeve (41) is that a shaft (49) of the control piston (38) and a bore (53) of the pressure sleeve (41) are arranged forming an annular gap (54) leading to the outside, that the longitudinally displaceable Pressure sleeve (41) is arranged to cooperate with the control piston (38) by means of the pressure spring (39). Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß das Gehäuse (37) eine konusartige, mit einem konusartigen Dichtkopf (46) des Steuerkolbens (38) zeitweise zusammenwirkende Senkung (43) aufweist.Apparatus according to claim 8, characterized in that the housing (37) has a cone-like depression (43) which interacts with a cone-like sealing head (46) of the control piston (38) at times. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die beiden Kupplungsscheiben (4; 6) nur in einer einzigen Stellung einkuppelbar ausgebildet sind.Device according to claim 4, characterized in that the two clutch disks (4; 6) can be coupled only in a single position. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Kupplungsscheiben (4; 6) mit aufeinander angepaßten Stirnverzahnungen (7; 8) versehen sind.Device according to claim 4, characterized in that the clutch disks (4; 6) are provided with end gears (7; 8) which are matched to one another. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß eine erste Kupplungsscheibe (6) mit dem Steuerventil (36) versehen ist und daß dieses Steuerventil (36) zeitweise von der zweiten Kupplungsscheibe (4) betätigbar angeordnet ist.Apparatus according to claim 4, characterized in that a first clutch disc (6) is provided with the control valve (36) and that this control valve (36) is arranged to be operable at times from the second clutch disc (4).
EP96115767A 1995-10-07 1996-10-02 Method and device for connecting a cylinder Expired - Lifetime EP0768174B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19537421A DE19537421C1 (en) 1995-10-07 1995-10-07 Method and device for coupling a cylinder
DE19537421 1995-10-07

Publications (2)

Publication Number Publication Date
EP0768174A1 true EP0768174A1 (en) 1997-04-16
EP0768174B1 EP0768174B1 (en) 2000-01-19

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EP96115767A Expired - Lifetime EP0768174B1 (en) 1995-10-07 1996-10-02 Method and device for connecting a cylinder

Country Status (4)

Country Link
US (1) US5701818A (en)
EP (1) EP0768174B1 (en)
JP (1) JP2849073B2 (en)
DE (2) DE19537421C1 (en)

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EP0933202A2 (en) * 1998-01-24 1999-08-04 MAN Roland Druckmaschinen AG Feeder drive
WO1999038690A1 (en) * 1998-01-30 1999-08-05 Koenig & Bauer Aktiengesellschaft Drive mechanism for a rotating component of a printing machine
WO2002024452A2 (en) * 2000-09-20 2002-03-28 Koenig & Bauer Aktiengesellschaft Printing unit comprising a drive system that is coupled in a fixed manner
US6601681B1 (en) 1998-01-30 2003-08-05 Koenig & Bauer Aktiengesellschaft Drive mechanism for a rotating component of a printing machine
ES2377412A1 (en) * 2009-04-23 2012-03-27 Comexi, S.A. Liberable support device for one end of a swivel axis, applicable to a printer machine. (Machine-translation by Google Translate, not legally binding)

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DE19826891A1 (en) 1998-06-17 1999-12-23 Heidelberger Druckmasch Ag Sheet-fed rotary printing machine
DE19961866A1 (en) * 1999-12-22 2001-06-28 Roland Man Druckmasch Device for supplying a printing medium to a cylinder carrying a printing form or a blanket
DE19962421C1 (en) * 1999-12-22 2001-06-07 Roland Man Druckmasch Printing press cylinder has a bearing bush and a center sleeve at the bearing which can be coupled to the end side of the cylinder and released for a rapid cylinder change
DE10024327C2 (en) * 2000-05-17 2002-05-16 Koenig & Bauer Ag Drive of a rotating component of a printing press and method for separating a drive
DE10152838B4 (en) * 2000-11-30 2013-10-31 Heidelberger Druckmaschinen Ag A method of operating a sheet-fed rotary printing press and sheet-fed rotary printing press
ITFI20040226A1 (en) * 2004-11-08 2005-02-08 Om Futura S P A DEVICE AND PROCEDURE FOR REMOVING THE SHIRT FROM THE CLICHE 'ROLLERS IN PRINTING MACHINES
JP5140265B2 (en) * 2005-11-21 2013-02-06 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト Device for carrying out an operating process in a rotatable cylinder of a printing press
DE102009005065B4 (en) * 2008-02-18 2021-04-29 Heidelberger Druckmaschinen Ag Method and device for engaging and disengaging a plate cylinder in a sheet-fed printing press
DE102008009631A1 (en) * 2008-02-18 2009-08-27 Heidelberger Druckmaschinen Ag Coupling device for coupling and decoupling plate cylinder of processing machine i.e. sheet fed rotary printing machine, with/from electric motor, has coupling half that is supported at toothed wheel in axially movable manner
DE102008001651A1 (en) * 2008-05-08 2009-11-12 Zf Friedrichshafen Ag Gearbox of a dampening unit
US20100122638A1 (en) * 2008-11-18 2010-05-20 C.G. Bretting Manufacturing Co., Inc. Flexographic Printing Apparatus And Method
DE102009002495A1 (en) * 2009-04-20 2010-10-21 Manroland Ag Printing machine coupling for propulsive coupling and uncoupling cylinders of e.g. 9-cylinder-printing unit, of rotary offset printing machine, has drive unit provided for axial shifting of hub between two positions

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0933202A2 (en) * 1998-01-24 1999-08-04 MAN Roland Druckmaschinen AG Feeder drive
EP0933202A3 (en) * 1998-01-24 2000-03-29 MAN Roland Druckmaschinen AG Feeder drive
WO1999038690A1 (en) * 1998-01-30 1999-08-05 Koenig & Bauer Aktiengesellschaft Drive mechanism for a rotating component of a printing machine
US6601681B1 (en) 1998-01-30 2003-08-05 Koenig & Bauer Aktiengesellschaft Drive mechanism for a rotating component of a printing machine
WO2002024452A2 (en) * 2000-09-20 2002-03-28 Koenig & Bauer Aktiengesellschaft Printing unit comprising a drive system that is coupled in a fixed manner
WO2002024452A3 (en) * 2000-09-20 2002-10-17 Koenig & Bauer Ag Printing unit comprising a drive system that is coupled in a fixed manner
US6817292B2 (en) 2000-09-20 2004-11-16 Koenig & Bauer Aktiengesellschaft Printing unit
ES2377412A1 (en) * 2009-04-23 2012-03-27 Comexi, S.A. Liberable support device for one end of a swivel axis, applicable to a printer machine. (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
US5701818A (en) 1997-12-30
JP2849073B2 (en) 1999-01-20
DE59604218D1 (en) 2000-02-24
JPH09131852A (en) 1997-05-20
DE19537421C1 (en) 1997-03-27
EP0768174B1 (en) 2000-01-19

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