EP0875375B1 - Device for detachably coupling a double toothed wheel - Google Patents

Device for detachably coupling a double toothed wheel Download PDF

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Publication number
EP0875375B1
EP0875375B1 EP98106663A EP98106663A EP0875375B1 EP 0875375 B1 EP0875375 B1 EP 0875375B1 EP 98106663 A EP98106663 A EP 98106663A EP 98106663 A EP98106663 A EP 98106663A EP 0875375 B1 EP0875375 B1 EP 0875375B1
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EP
European Patent Office
Prior art keywords
clamping
ring
clamping ring
gear
toothed gear
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.)
Expired - Lifetime
Application number
EP98106663A
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German (de)
French (fr)
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EP0875375A1 (en
Inventor
Helmut Schild
Jürgen Schneider
Toni Ehrhard
Bernd Lindner
Edgar Dr. Dörsam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Publication of EP0875375A1 publication Critical patent/EP0875375A1/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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Rotary Presses (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Transmission Devices (AREA)
  • General Details Of Gearings (AREA)

Abstract

The connector, which can also disconnect, has a clamping ring acted on by sprung elements. The clamping can be released by a separating coupling which reduces or eliminates the spring force of the sprung elements. A connecting element, without play in rotation but sprung axially, is fitted between the clamping ring (7) and elements fixed to the paper feed cylinder. There may be a coupling disc (16) fixed on one side to the gear wheel flange (3) carrying the main gear wheel (4), and on the other side to the clamping ring.

Description

Die Erfindung betrifft eine Vorrichtung zum lösbaren Klemmen eines Zahnradringes auf einem Zahnradkörper.The invention relates to a device for releasably clamping a gear ring on a gear body.

Aus der DE 41 41 817 C2 ist eine Vorrichtung zum Kuppeln eines Zahnradringes mit einem Hauptzahnrad bekannt. Dabei wird der Zahnradring mittels eines Klemmringes und mehrerer abgefederter Bolzen auf dem Hauptzahnrad über Reibschluß festgesetzt. Zum Lösen der Klemmung, die für Relativbewegung zwischen Ring und Hauptzahnrad erforderlich sind, werden die Federpakete zur Belastung des Klemmringes vorgespannt, so daß der Zahnradring frei drehbar ist. Dann können die Getriebeteile die mit dem Zahnradring bzw. dem Hauptzahnrad verbunden sind, relativ zueinander verdreht werden. Dieses ist beispielsweise erforderlich ist, um in Bogenrotationsdruckmaschinen Druckwerke entsprechend einem Bogenformat in Umfangsrichtung relativ zueinander zu verstellen. Ein Anwendungsfall ist die Umstellung einer Druckmaschine zur Bogenwendung für den sogenannten Schön- und Widerdruck. Problematisch an der Vorrichtung ist, daß die Klemmung über den Klemmring und den Zahnradring erzeugt wird. Dabei sind mehrere Reibflächen vorhanden, deren Reibverhalten unterschiedlich sein kann. Beim Lösen der Zahnradklemmung kann es daher zu unterschiedlichen Verhältnissen kommen. Hierbei spielt zusätzlich eine besondere Rolle, daß zwischen den Haltebolzen und dem Klemmring ein bestimmtes Spiel vorhanden ist. In Sondersituationen, z.B. mit Überlast, kann dieses Spiel zu einem Versatz zwischen Zahnradring und Hauptzahnrad führen, so daß die Klemmung nicht an der vorgeschriebenen Position eingehalten wird. Außerdem kann es zu Schadensfällen durch die Möglichkeit dieses Versatzes kommen. Die Vorrichtung zum Kuppeln des Doppelzahnrades darf nicht als Schwachstelle im Antrieb bei Hochlastfällen zum Bruch oder zu Verstellungen neigen.DE 41 41 817 C2 describes a device for coupling a gear ring known with a main gear. The gear ring is by means of a Clamping ring and several spring-loaded bolts on the main gear over Friction fixed. To release the clamp, for relative movement are required between the ring and the main gear, the spring assemblies Biased load on the clamping ring so that the gear ring is freely rotatable. Then the gear parts with the gear ring or the main gear are connected, are rotated relative to each other. This is for example is required to print units accordingly in sheet-fed rotary printing presses to adjust a sheet format in the circumferential direction relative to each other. An application is the conversion of a press for sheet turning for the so-called perfecting. The problem with the device is that the clamping is generated via the clamping ring and the gear ring. Are there there are several friction surfaces, the friction behavior of which can be different. When releasing the gear clamp, there may be different conditions come. Here also plays a special role that between the Holding bolt and the clamping ring a certain game is available. In special situations, e.g. With overload, this game can cause an offset between gear ring and main gear so that the clamping is not at the prescribed Position is maintained. In addition, damage can result from the Possibility of this offset coming. The device for coupling the double gear must not be used as a weak point in the drive in the event of high load breakages or tend to make adjustments.

Aufgabe der Erfindung ist es daher in einer Vorrichtung nach dem Oberbegriff des Patentanspruchs 1, eine sowohl auf einfache Weise lösbare, als auch gleichzeitig drehstarre Verbindung zwischen den die Klemmung erzeugenden Elementen und dem Zylinderzapfen vorzustellen.The object of the invention is therefore in a device according to the preamble of Claim 1, both easy to solve, and at the same time torsionally rigid connection between the elements generating the clamping and to introduce the cylinder journal.

Die Lösung der Aufgabe gestaltet sich nach den kennzeichnenden Merkmalen des Patentanspruches 1. Hierbei ist vorteilhaft, daß mit einem sehr einfachen Bauelement eine in Umfangsrichtung spielfreie Verbindung zwischen dem Klemmring und dem Zylinderzapfen erzeugbar ist. Weiterhin ist in den Unteransprüchen angegeben, daß diese Verbindung auch für das Aufbringen von Federkräften in unterschiedlichen Richtungen nutzbar ist.The solution to the problem is based on the characteristic features of Claim 1. It is advantageous that with a very simple component a connection in the circumferential direction free of play between the clamping ring and the cylinder journal can be generated. Furthermore, it is stated in the subclaims that this connection also for the application of spring forces in different Directions is usable.

Im Folgenden ist die Erfindung anhand eines Ausführungsbeispieles näher dargestellt. Darin zeigt die einzige Figur einen Querschnitt durch eine sogenannte Trennkupplung.The invention is illustrated in more detail below using an exemplary embodiment. In it, the only figure shows a cross section through a so-called Separating clutch.

Auf einem Zylinderzapfen 1, der in einer Maschinenwand 2 gelagert ist, ist der Zahnradflansch 3 eines Hauptzahnrades 4 befestigt. Koaxial zum Hauptzahnrad 4 ist ein Zahnradring 5 angeordnet. Der Zahnradring 5 sitzt auf einem Bund 6 des Zahnradflansches 3. Koaxial wiederum zu dem Hauptzahnrad ist ein Klemmring 7 angeordnet, der auf einer Stirnfläche 8 des Zahnradringes 5 aufliegt. Die antriebsmäßige Einheit des Doppelzahnrades wird dadurch hergestellt, daß Zugstangen 9, die das Hauptzahnrad 4, den Zahnradflansch 3 und den Klemmring 7 durchgreifen, gegen den Klemmring 7 angefedert werden. Die Zugstangen 9 sind dazu mittels eines Federpaketes 10 belastet. Durch Voreinstellen der Zugstangen 9 wird die Vorspannung zum Klemmen des Zahnradringes 5 auf dem Hauptzahnrad 4 definiert. Zum Lösen der im Normalzustand geklemmten Verbindung ist auf der Innenseite des Hauptzahnrades 4 zur Maschinenwand 2 hin eine Trennkupplung 11 vorgesehen. Sie ist ringförmig um den Zylinderzapfen 1 gelegt und an der Maschinenwand 2 gehaltert. Die Trennkupplung 11 ist mehrteilig, derart, daß sie sich in axialer Richtung ausdehnen kann. Die axial Ausdehnbewegung dient der Entkoppelung des Doppelzahnrades. Die Trennkupplung 11 weist dazu eine Greifringfläche 12 auf, die achsparallel orientiert ist. Diese Greifringfläche 12 wirkt mit einem Gegenring 13, der am Hauptzahnrad 4 vorgesehen ist, zusammen. Weiterhin ist an der Trennkupplung 11 eine Axiallagerung 14 vorgesehen, das sich zwischen einer Stirnfläche der Trennkupplung 11 und einem Druckring 15 erstreckt. Der Druckring 15 bildet ein Auflager für die Federpakate 10 und ist mit den Zugstangen 9 verbunden. Beispielsweise durch Verdrehen von Teilen der Trennkupplung 11 relativ zueinander, wird die axiale Ausdehnung der Trennkupplung 11 vergrößert, so daß die Axiallagerung 14 auf den Druckring 15 wirkt und dabei die Federpakete 10 komprimiert. Damit werden die Zugstangen 9 etwas freigegeben, deren Wirkung auf den Klemmring 7 wird aufgehoben und die Klemmung des Zahnradringes 5 mittels des Klemmringes 7 ist gelöst.On a cylinder journal 1, which is mounted in a machine wall 2, the Gear flange 3 of a main gear 4 attached. Coaxial with the main gear 4 a gear ring 5 is arranged. The gear ring 5 sits on a collar 6 of the Gear flange 3. Coaxial to the main gear is a clamping ring 7 arranged, which rests on an end face 8 of the gear ring 5. The driving Unit of the double gear is manufactured in that tie rods 9, which pass through the main gear 4, the gear flange 3 and the clamping ring 7, be sprung against the clamping ring 7. The tie rods 9 are for this purpose a spring assembly 10 loaded. By presetting the tie rods 9 Bias for clamping the gear ring 5 on the main gear 4 defined. To release the connection clamped in the normal state is on the inside the main gear 4 to the machine wall 2 towards a clutch 11 is provided. It is placed in a ring around the cylinder pin 1 and on the machine wall 2 held. The separating clutch 11 is in several parts, such that they are in can extend in the axial direction. The axial expansion movement is used for decoupling of the double gear. For this purpose, the separating clutch 11 has a gripping ring surface 12 on, which is oriented axially parallel. This gripping ring surface 12 cooperates a counter ring 13, which is provided on the main gear 4, together. Farther is an axial bearing 14 is provided on the clutch 11, the extends between an end face of the clutch 11 and a pressure ring 15. The pressure ring 15 forms a support for the spring assemblies 10 and is with the Tie rods 9 connected. For example, by rotating parts of the clutch 11 relative to each other, the axial extension of the clutch 11 enlarged, so that the axial bearing 14 acts on the pressure ring 15 and the Spring packs 10 compressed. This releases the tie rods 9 somewhat, whose effect on the clamping ring 7 is canceled and the clamping of the Gear ring 5 by means of the clamping ring 7 is released.

In Sonderfällen kann es zu Relativbewegung zwischen den Zahnradring 5, Klemmring 7 und Hauptzahnrad 4 kommen. Durch die relativ undefinierten Reibverhältnissen ist nicht sichergestellt, daß beispielsweise lediglich der Zahnradring 5 innerhalb der Klemmpaarung zwischen Klemmring 7 und Hauptzahnrad 4 durchrutscht. Vielmehr kann auch der Klemmring 7 mitgenommen werden. Da hier ein Spiel zwischen Klemmring 7 und den Zugstangen 9, bzw. zwischen dem Zahnradflansch 3 und den Zugstangen 9 vorhanden ist, kann also eine ansehnlich Relativbewegung des Klemmringes 7 zustande kommen, die zu einem Kupplungsschaden führen kann.In special cases, there may be relative movement between the gear ring 5, clamping ring 7 and main gear 4 come. Due to the relatively undefined friction conditions it is not ensured that, for example, only the gear ring 5 within the clamping pair between clamping ring 7 and main gear 4 slips through. Rather, the clamping ring 7 can also be taken along. There here a game between the clamping ring 7 and the tie rods 9, or between the gear flange 3 and the tie rods 9 is present, can be a handsome Relative movement of the clamping ring 7 come about, which leads to clutch damage can lead.

Diese Gefahr kann dadurch ausgeschaltet werden, daß spielfrei verbunden mit dem Klemmring 7 und dem Zahnradflansch 3 bzw. dem Zylinderzapfen 1 eine Koppelscheibe 16 vorgesehen ist. Die Koppelscheibe 16 verbindet den Klemmring 7, sowie den Zahnradflansch 3 und den Zylinderzapfen 1 miteinander. Sie ist dazu über Auflagerpunkte 17 mit dem Zahnradflansch 3 verbunden. Dagegen werden die Zugstangen 9 quasi durch die spielfreie Verbindung über die Koppelscheibe 16 von umfangsmäßigen Antriebskräften entkoppelt. This danger can be eliminated by connecting with without play the clamping ring 7 and the gear flange 3 or the cylinder pin 1 one Coupling disk 16 is provided. The coupling disk 16 connects the clamping ring 7, and the gear flange 3 and the cylinder pin 1 with each other. She is one of them connected to the gear flange 3 via support points 17. Against the tie rods 9 quasi through the play-free connection via the coupling disk 16 decoupled from circumferential driving forces.

Da die Koppelscheibe 16 relativ dünn ist, läßt sie durch elastische Verformung eine Axialbewegung des Klemmringes 7 zu. Beim Lösen der Klemmung mittels der Trennkupplung 11 ist mittels der Koppelscheibe 16 immer sichergestellt, daß die Relativlage zwischen Klemmring 7, Zahnradflansch 3 und Zylinderzapfen 1 identisch bleibt. Ein undefiniertes, bei verschiedenen Zuständen unterschiedliches Rutschen des Zahnradringes 5 durch unkontrollierte Bewegungen des Klemmringes 7 ist nun nicht mehr möglich.Since the coupling plate 16 is relatively thin, it can be caused by elastic deformation an axial movement of the clamping ring 7. When releasing the clamp using the Separating clutch 11 is always ensured by means of the coupling disk 16 that the Relative position between clamping ring 7, gear flange 3 and cylinder pin 1 identical remains. An undefined, different for different states Slipping of the gear ring 5 due to uncontrolled movements of the clamping ring 7 is no longer possible.

Die Koppelscheibe 16 kann auch zur Unterstützung der Klemmung bzw. der Lösung der Klemmung eingesetzt werden.
Hierbei wäre es z.B. möglich, die Koppelscheibe 16 in der Form einer Tellerfeder derart auszubilden, daß sie entweder die Klemmkraft des Klemmringes 7 gegen den Zahnrad 5 unterstützt oder daß sie gegen die Klemmkraft wirkend eine Lösekraft auf den Klemmring 7 aufbringt. Der geringfügige Nachteil, daß die Klemmkraft der Zugstangen 9 dann geringfügig verkleinert wird, wird durch eine definierte Lösekraft beim Trennen der Kupplung aufgewogen. Die Arbeitsweise wird dadurch sicherer und exakter.
In einer Variante dazu können die Auflagerpunkte 17 auch in ihrer Höhe so gestaltet sein, daß die Koppelscheibe 16 im Ruhezustand den Klemmring 7 entweder gegen den Zahnradring 5 zieht oder aber den Klemmring 7 vom Zahnradring 5 wegdrückt. Damit würde im Ergebnis ebenso eine Vorspannung des Klemmringes 7 in Klemm- oder Löserichtung erreicht.The coupling plate 16 can also be used to support the clamping or the release of the clamping.
It would be possible, for example, to design the coupling disk 16 in the form of a plate spring in such a way that it either supports the clamping force of the clamping ring 7 against the gear 5 or that it applies a releasing force to the clamping ring 7 against the clamping force. The slight disadvantage that the clamping force of the tie rods 9 is then slightly reduced is offset by a defined release force when the clutch is disconnected. This makes the way of working safer and more precise.
In a variant to this, the support points 17 can also be designed in height such that the coupling disc 16 in the idle state either pulls the clamping ring 7 against the gear ring 5 or pushes the clamping ring 7 away from the gear ring 5. This would also result in a preload of the clamping ring 7 in the clamping or releasing direction.

Wesentlich an der Erfindung ist die in Umfangsrichtung spielfreie Koppelung von Klemmring 7 und Zylinderzapfen 1. Damit kann eine Überlastung im Antrieb z.B., bei Maschinenschäden nur noch zu einem ggf. kurzen Durchrutschen des Zahnradringes 5 zwischen seinen Reibflächen, aber nicht mehr zu einem Versatz des Klemmringes 7 und damit zu einem Kupplungsschaden führen. Weiterhin kann beim Umstellen der Druckmaschine auf die Betriebsweise mit Bogenwendung das Spiel in der Kupplungsanordnung keine Auswirkung mehr auf die Genauigkeit der Formateinstellung haben.What is essential to the invention is the play-free coupling of circumferentially Clamping ring 7 and cylinder pin 1. This can overload the drive, e.g. in the event of machine damage, the gear ring may slip briefly 5 between its friction surfaces, but no longer to offset the Clamping ring 7 and thus lead to clutch damage. Furthermore can when converting the press to the mode with sheet reversal Game in the clutch assembly no longer affects the accuracy of the Have format setting.

Claims (7)

  1. Device for releasably clamping a toothed gear ring on to a main gear wheel which is fixedly connected with a sheet guiding cylinder of a sheet printing press, by means of a clamping ring and sprung elements acting on the clamping ring, wherein the clamping is releasable by means of a separating coupling by reduction or lifting of the spring forces of the springing elements, characterised in that a connection element is provided play-free in the direction of rotation, but acting resiliently in the axial direction between the clamping ring (7) and elements connected fast with the sheet guiding cylinder.
  2. Device according to Claim 1, characterised in that a linking disc (16) is provided which is connected firmly with a toothed gear flange (3) set on a cylinder trunnion (1) and carrying the main gear wheel (4) and the clamping ring (7).
  3. Device according to Claim 2, characterised in that the linking disc (16) connects rigidly with the clamping ring (7) and elements fast with respect to the cylinder trunnion (1), but that it is constructed elastic in the axial direction of the cylinder trunnion (1) and rigid in the peripheral direction.
  4. Device according to Claim 1 to 3, characterised in that the linking disc in the engaged condition of the toothed gear ring (5) on the main gear wheel (4) has an action increasing the clamping force of the clamping ring (7) on the toothed gear ring (5).
  5. Device according to Claim 1 to 3, characterised in that the coupling disc (16) in the engaged condition of the toothed gear ring (5) on the main gear wheel (4) has a pretensioning lowering the clamping force of the clamping ring (7) on the toothed gear ring (5).
  6. Device according to Claim 4 or 5, characterised in that the coupling disc (16) transversely to its surface extent has the shape of a plate spring.
  7. Device according to Claim 4 or 5, characterised in that the coupling disc (16) is flat and the height position of the fixture with the sheet guiding cylinder is so constructed that the coupling disc (16) is pretensioned in the direction of the clamping force or counter to the direction of the clamping force of the clamping ring (7).
EP98106663A 1997-04-30 1998-04-11 Device for detachably coupling a double toothed wheel Expired - Lifetime EP0875375B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19718140 1997-04-30
DE19718140A DE19718140C1 (en) 1997-04-30 1997-04-30 Device for releasably connecting a gear ring to the main gear

Publications (2)

Publication Number Publication Date
EP0875375A1 EP0875375A1 (en) 1998-11-04
EP0875375B1 true EP0875375B1 (en) 2000-07-19

Family

ID=7828132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98106663A Expired - Lifetime EP0875375B1 (en) 1997-04-30 1998-04-11 Device for detachably coupling a double toothed wheel

Country Status (4)

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EP (1) EP0875375B1 (en)
JP (1) JP2978149B2 (en)
AT (1) ATE194799T1 (en)
DE (2) DE19718140C1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7484610B2 (en) 2004-03-10 2009-02-03 Heidelberger Druckmaschinen Apparatus for the actuation of clamping elements that can be controlled remotely
DE102005004837B4 (en) * 2005-02-03 2008-08-14 Man Roland Druckmaschinen Ag Anti-rotation device for a clutch for gear train separation on a printing machine
US9086137B2 (en) 2011-02-15 2015-07-21 I. Mer Co., Ltd. Plate cylinder drive unit in printer
DE102017100661A1 (en) 2016-01-14 2017-07-20 manroland sheetfed GmbH Unlocking a coupling of a double gear

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611325A1 (en) * 1986-04-04 1987-10-08 Heidelberger Druckmasch Ag DEVICE FOR ADJUSTING THE RELATIVE ROTATION BETWEEN A GEAR WHEEL AND A GEAR WHEEL BEARING WITH THIS SIMULTANEOUSLY
DE3820026A1 (en) * 1988-06-13 1989-12-14 Heidelberger Druckmasch Ag DEVICE FOR THE POWERFUL CLUTCHING OF A FIXED GEAR WHEEL AND AN ADJUSTING GEAR WHEEL ON A CYLINDER OF A TURNING DEVICE IN AN ARC ROTATION PRINTING MACHINE AND ELECTRICAL PROTECTION OF SUCH A DEVICE
DE4141817C2 (en) * 1991-12-18 1993-10-07 Roland Man Druckmasch Gear train separation device

Also Published As

Publication number Publication date
DE19718140C1 (en) 1998-10-01
JPH10309792A (en) 1998-11-24
JP2978149B2 (en) 1999-11-15
DE59800201D1 (en) 2000-08-24
ATE194799T1 (en) 2000-08-15
EP0875375A1 (en) 1998-11-04

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