EP1000737B1 - Machine d'impression - Google Patents

Machine d'impression Download PDF

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Publication number
EP1000737B1
EP1000737B1 EP98121059A EP98121059A EP1000737B1 EP 1000737 B1 EP1000737 B1 EP 1000737B1 EP 98121059 A EP98121059 A EP 98121059A EP 98121059 A EP98121059 A EP 98121059A EP 1000737 B1 EP1000737 B1 EP 1000737B1
Authority
EP
European Patent Office
Prior art keywords
shaft
printing machine
cylinder sleeve
torque transmission
cylindrical sleeve
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
EP98121059A
Other languages
German (de)
English (en)
Other versions
EP1000737A1 (fr
Inventor
Manfred Terstegen
Wilfried Dr. Kolbe
Klaus Schirrich
Bodo Steinmeier
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.)
Fischer and Krecke GmbH and Co KG
Original Assignee
Fischer and Krecke GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fischer and Krecke GmbH and Co KG filed Critical Fischer and Krecke GmbH and Co KG
Priority to ES98121059T priority Critical patent/ES2172079T3/es
Priority to EP98121059A priority patent/EP1000737B1/fr
Priority to DE59803357T priority patent/DE59803357D1/de
Priority to US09/431,473 priority patent/US6267056B1/en
Priority to JP11314560A priority patent/JP2000141598A/ja
Publication of EP1000737A1 publication Critical patent/EP1000737A1/fr
Application granted granted Critical
Publication of EP1000737B1 publication Critical patent/EP1000737B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a printing press with a rotary drive Cylinder sleeve directly at both ends with projecting stub axles is stored in the machine frame, and with a rotatable through the Cylinder sleeve extending shaft.
  • a printing machine of this type is known from EP-A-0 769 373.
  • the shaft is clamped in the machine frame like a boom, so that when changing the pressure cylinder, the cylinder sleeve axially from the free End of the shaft can be pulled off after the bearings for the Open cylinder sleeve and the unit consisting of shaft and cylinder sleeve from the Storage has been excavated.
  • the pressure cylinder sleeve is driven via one arranged on an extension of an axle stub of the cylinder sleeve Gear that meshes with a drive gear.
  • the object of the invention is a printing press of the type mentioned kind of creating an easy replacement of the cylinder sleeve, in particular the pressure cylinder sleeve, and in which a direct drive Printing cylinder sleeve by means of a coaxial drive motor is possible.
  • the shaft therefore not only serves to support the cylinder sleeve during the cylinder change, but also serves as the drive shaft. So is it is possible to start the motor without the intermediary of a gear transmission to couple the drive shaft.
  • the drive connection is required when changing cylinders not to be interrupted between motor and shaft.
  • Torque transmission member takes place when changing the cylinder special measures required to connect the drive between Interrupt and restore shaft and cylinder sleeve.
  • the invention is not based on the drive for the printing cylinder sleeve limited but is generally for interchangeable and rotary drives
  • Rotating bodies of a printing press can be used, for example also in Anilox rollers of a flexographic printing machine and the like.
  • the direct bearing of the cylinder sleeve in the machine frame has the advantage that the axis of rotation of the cylinder sleeve is precisely defined and thus a quiet one Run of the printing machine and perfect print quality achieved can be. But since according to the invention the drive of the cylinder sleeve the shaft takes place, which in turn must be stored in the machine frame, it is expedient, the bearing of the shaft and / or the coupling between the Shaft and the cylinder sleeve so that overdetermination of the Axis of rotation can be avoided and thus the axis of rotation of the cylinder sleeve still largely due to the bearing of the axle stub in the machine frame is determined.
  • the shaft is rigidly coupled to the rotor of the drive motor means this means that the rotor of the drive motor or the entire drive motor is resiliently held on the machine frame in the radial direction.
  • This can be achieved by constructing the bracket for the motor, which has a certain elasticity in the radial direction of the shaft.
  • the Torque transmission member between the shaft and the pressure cylinder sleeve can then, for example, be designed as a cone which is frictionally engaged with a Counter cone engages on the cylinder sleeve. If the cylinder sleeve is placed axially against the cone, this results in a centering of the Shaft on the axis of rotation defined by the stub shaft of the cylinder sleeve.
  • the torque transmission member is as flat friction disc formed with an end face of an axle stub the cylinder sleeve interacts.
  • a friction clutch offers the possibility of a slight eccentricity of the shaft with respect to the axis of rotation to compensate for the cylinder sleeve. In this case, therefore, the wave also be rigidly mounted with respect to the machine frame.
  • Another option is to use an axial coupling between the rotor of the motor and the shaft.
  • the Setting the side register only adjusts the shaft in the axial direction while the rotor maintains its axial position and the relative movement between Shaft and rotor is balanced by the axial clutch.
  • the entire motor housing axially on the machine frame support so that when setting the side register the cylinder sleeve, the shaft and motor are moved as one unit.
  • the cylinder sleeve is in a defined angular position can be coupled to the shaft so that the respective angular position of the cylinder sleeve with the help of one arranged on the shaft or attached to the motor or angle increment encoder integrated in the motor automatically can be detected.
  • the driver claw arranged in a corresponding opposite contour of the other Component occurs when the cylinder sleeve axially against the torque transmission member is employed.
  • the engagement of the driving claw in the counter contour should be free of play in the circumferential direction.
  • the torque transmission link is designed as a flat friction disc
  • the driver claw and the counter contour can be moved relative to one another in the radial direction, thus the compensation of the eccentricity between the shaft and the cylinder sleeve remains possible. It happens through the engagement of the driving claw in the Counter contour to a certain form fit between the torque transmission member and the cylinder sleeve, but the cylinder sleeve becomes so tight stretched against the torque transmission member that the torque transmission nevertheless done primarily by frictional connection.
  • the operation of the printing press is therefore the mechanical load on the driving claw low, so that the wear and the plastic or elastic Deformation of the driving claw is minimized. That way long-term high precision when recording the angular position reach the cylinder sleeve.
  • FIG. 1 shows the frame of a printing press, for example a flexographic printing press, represented by two side parts 10 and 12 shown in section.
  • a printing press for example a flexographic printing press
  • On the side part 10 is a drive housing shown only schematically 14 grown.
  • An interchangeable cylinder sleeve 16 For example a pressure cylinder sleeve, is provided with stub axles at both ends 18 stored in the side parts 10 and 12.
  • the bearing 20 for the cylinder sleeve 16 is removable.
  • this is Bearing 20 axially removable from the stub axle 18, or the bearing is as Folded bearing with a laterally opening bearing cover designed and in the direction perpendicular to the plane of the drawing in FIG. 1 onto the side part 12 movable, as described in EP-A-0 812 681.
  • a shaft 22 is mounted, which coaxially the cylinder sleeve 16 extends and via an axial coupling 24 to the output shaft a motor 26 rigidly connected to the drive housing 14 is.
  • a torque transmission link in the form of a flat friction disc 28 sits rigidly on the shaft 22 and stands with the end face of the Axle stub 18 of the cylinder sleeve 16 in a frictional connection, so that transmit the drive torque of the motor 26 to the cylinder sleeve 16 becomes.
  • the shaft 22 carries a tendon 30, which engages the stub axle 18 there and the cylinder sleeve 16 presses firmly against the friction disk 28.
  • An actuating mechanism 32 known per se is located in the drive housing 14 installed to adjust the page register.
  • This adjusting mechanism 32 is actuated by a servomotor 34 and allows the by the shaft 22, the cylinder sleeve 16 and the tendon 30 unit formed axially adjust.
  • the relative movement between the shaft 22 and the output shaft the motor 26 is compensated by the axial clutch 24.
  • the motor 26 has an angle sensor 36, one for the angular position of the Wave 22 provides a representative signal for setting the longitudinal register is needed. So that the signal of the angle sensor 36 also for the angular position of the cylinder sleeve 16 is representative, the angular position of the cylinder sleeve 16 fixed relative to the shaft 22 by a driving claw 38, which is arranged on the outer circumference of the friction disc 28 and in the manner of a Single tooth clutch in a corresponding recess 40 of the stub axle 18 engages, as shown enlarged in Figure 1A.
  • the intervention of the Driver claw 28 in the recess 40 is free of play in the circumferential direction, takes place in the radial direction with a certain play, so that slight assembly-related eccentricities between the shaft 22 and the cylinder sleeve 16 can be compensated without causing bending stresses comes on the shaft or the cylinder sleeve. This ensures that the axis of rotation of the cylinder sleeve 16 precisely through the storage in the side parts 10 and 12 is defined, regardless of any inaccuracies when installing the drive housing 14.
  • Figure 2 illustrates the procedure when changing the cylinder sleeve 16. It can be seen in Figure 2 that the bearing 20 on the side of the side part 12th has been removed. In addition, the tendon 30 has been released. In the shown Example, the tendon 30 is a component with expandable elements that, when detached, closely fit the scope of the Apply shaft 22 so that the cylinder sleeve 16 over the tendon pull axially from the shaft 22. The construction of the tendon is described in detail in the earlier European patent application 98 110 132 described.
  • the new cylinder sleeve 16 is opened again over the tendon 30 the shaft 22 is pushed on until the end of its stub axle 18th strikes on the friction disc 28.
  • the cylinder sleeve is aligned so that the driving claw 38 can enter the recess 40.
  • By arrow-shaped bevel of the driving claw becomes an automatic precise Adjustment of the angular position of the cylinder sleeve 16 with respect to the shaft 22 is achieved.
  • the tendon 30 is spread again and against Cylinder sleeve 16 tensioned so that it is pressed firmly against the friction disk 28 becomes.
  • the bearing 20 is reinstalled, and that is it the process of changing cylinders has been completed.
  • FIG. 3 shows a modified embodiment in which the axial clutch 24 omitted and the output shaft of the motor 26 rigidly connected to the shaft 22 or is formed in one piece with this.
  • the housing of the engine 26 and the angle sensor 36 is in this case axially displaceable but non-rotatable held on a console 42 of the drive housing 14 and increases the adjustment of the side register on the axial movement of the shaft 22 and the cylinder sleeve 16 part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Friction Gearing (AREA)

Claims (9)

  1. Machine à imprimer avec un fourreau de cylindre apte à être entraíné en rotation (16) qui, à ses deux extrémités, est monté directement dans le bâti de machine (10, 12) par l'intermédiaire de bouts d'axe saillants (18) et avec un arbre (22) traversant le fourreau de cylindre en étant solidaire en rotation, caractérisée en ce que l'entraínement en rotation s'effectue par l'intermédiaire de l'arbre (22) et le fourreau de cylindre (16) peut être appliqué axialement contre un organe de transmission de couple (28) monté sur l'arbre.
  2. Machine à imprimer selon la revendication 1, caractérisée en ce que l'organe de transmission de couple (28) et le fourreau de cylindre (16) peuvent être serrés axialement l'un contre l'autre, de façon que l'organe de transmission de couple forme, avec le bout d'axe (18) du fourreau de cylindre tourné vers lui, un accouplement à friction.
  3. Machine à imprimer selon la revendication 2, caractérisée en ce que le fourreau de cylindre (16) peut être serré contre l'organe de transmission de couple (28) au moyen d'un élément de serrage (30) monté sur l'arbre (22).
  4. Machine à imprimer selon la revendication 2 ou 3, caractérisée en ce que l'organe de transmission de couple (28) est un disque de friction plat.
  5. Machine à imprimer selon une des revendications précédentes, caractérisée en ce que la position angulaire de l'arbre (22) est détectable au moyen d'un capteur d'angle (36), et en ce que l'organe de transmission de couple (28) ou le bout d'axe (18) du fourreau de cylindre (16) comporte au moins une griffe d'entraínement (38) qui, dans la direction circonférentielle, pénètre sans jeu dans un évidement correspondant (40) de l'autre élément structurel associé.
  6. Machine à imprimer selon les revendications 4 et 5, caractérisée en ce que la griffe d'entraínement (38) forme un accouplement à une dent et possède, dans l'évidement (40), un jeu dans le sens radial.
  7. Machine à imprimer selon une des revendications précédentes, caractérisée en ce qu'un mécanisme de positionnement (32) agit sur l'arbre (22) pour régler le repérage latéral.
  8. Machine à imprimer selon la revendication 7, caractérisée en ce qu'un moteur (26) pour l'entraínement de l'arbre (22) est relié à l'arbre (22) par l'intermédiaire d'un accouplement axial (24) qui compense les déplacements axiaux relatifs entre l'arbre (22) et l'arbre de sortie du moteur.
  9. Dispositif selon la revendication 7, caractérisé en ce que l'arbre de sortie d'un moteur (26) pour l'entraínement de l'arbre (22) est relié de manière rigide audit arbre et le carter dudit moteur (26) est monté sur le bâti de machine sans possibilité de rotation et avec une possibilité de translation axiale.
EP98121059A 1998-11-06 1998-11-06 Machine d'impression Expired - Lifetime EP1000737B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES98121059T ES2172079T3 (es) 1998-11-06 1998-11-06 Maquina de imprimir.
EP98121059A EP1000737B1 (fr) 1998-11-06 1998-11-06 Machine d'impression
DE59803357T DE59803357D1 (de) 1998-11-06 1998-11-06 Druckmaschine
US09/431,473 US6267056B1 (en) 1998-11-06 1999-11-01 Printing machine
JP11314560A JP2000141598A (ja) 1998-11-06 1999-11-05 印刷機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98121059A EP1000737B1 (fr) 1998-11-06 1998-11-06 Machine d'impression

Publications (2)

Publication Number Publication Date
EP1000737A1 EP1000737A1 (fr) 2000-05-17
EP1000737B1 true EP1000737B1 (fr) 2002-03-13

Family

ID=8232929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121059A Expired - Lifetime EP1000737B1 (fr) 1998-11-06 1998-11-06 Machine d'impression

Country Status (5)

Country Link
US (1) US6267056B1 (fr)
EP (1) EP1000737B1 (fr)
JP (1) JP2000141598A (fr)
DE (1) DE59803357D1 (fr)
ES (1) ES2172079T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE555907T1 (de) 2001-03-26 2012-05-15 Koenig & Bauer Ag Druckwerk einer druckmaschine
DE10114806A1 (de) 2001-03-26 2002-10-17 Koenig & Bauer Ag Antrieb eines Zylinders
ATE327099T1 (de) 2001-03-26 2006-06-15 Koenig & Bauer Ag Antrieb eines druckwerks
DE10114801B4 (de) * 2001-03-26 2005-10-13 Koenig & Bauer Ag Antrieb eines Druckwerks
DE50200670D1 (de) * 2001-04-09 2004-08-26 Koenig & Bauer Ag Druckwerk einer druckmaschine mit einem verschwenkbaren übertragungszylinder
DE10232552B4 (de) * 2002-07-18 2005-12-08 Koenig & Bauer Ag Antrieb eines Rotationskörpers
ES1054281Y (es) * 2003-03-17 2003-10-16 Comexi Sa Rodillo de maquinaria para la impresion flexografica con dispositivo de control de posicion angular.
DE102004019136A1 (de) * 2004-04-16 2005-11-10 Man Roland Druckmaschinen Ag Direktantrieb für einen Zylinder einer Verarbeitungsmaschine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2138179A (en) * 1935-05-22 1938-11-29 Dresden Leipziger Schnellpress Rotary printing machine
DE2262720A1 (de) * 1972-12-21 1974-07-11 Tiszai Vegyi Kombinat Druckanlage zum mehrfarbendruck von kunststoffolien
FR2285997A1 (fr) * 1974-09-11 1976-04-23 Moestue Hans Dispositif de nettoyage d'un cylindre d'une machine a imprimer
JPS5552080A (en) * 1978-10-09 1980-04-16 Ricoh Co Ltd Drum device of recorder
JP2602488B2 (ja) * 1989-05-30 1997-04-23 株式会社 東京機械製作所 両面多色印刷機
DE4223190C2 (de) * 1992-07-15 1995-12-07 Heidelberger Druckmasch Ag Vorrichtung zum An- und Abstellen der Bogenwendung bei der Förderung von Bogen durch eine Druckmaschine
US5490458A (en) * 1994-04-13 1996-02-13 Bryce Corporation Printing press cylinder assembly
DE19530283A1 (de) * 1995-04-15 1996-10-17 Heidelberger Druckmasch Ag Übertragungszylinder mit elektromotorischer Antriebseinheit
DE59504993D1 (de) * 1995-10-18 1999-03-11 Fischer & Krecke Gmbh & Co Vorrichtung zum Wechseln von Druckzylinderhülsen in Druckmaschinen
US5685226A (en) * 1996-02-26 1997-11-11 Presstek, Inc. Adaptive clamping mechanism for printing plates
EP0881071A3 (fr) 1996-06-12 1998-12-09 Fischer & Krecke Gmbh & Co. Machine d'impression
DE19624394C1 (de) * 1996-06-19 1997-12-04 Roland Man Druckmasch Angetriebener Zylinder
DE19647919A1 (de) * 1996-11-20 1998-05-28 Voith Sulzer Papiermasch Gmbh Vorrichtung zur Führung einer Materialbahn
JP3825155B2 (ja) * 1997-01-16 2006-09-20 東北リコー株式会社 孔版印刷装置
ES2164394T3 (es) 1998-06-04 2002-02-16 Fischer & Krecke Gmbh & Co Dispositivo separador para la fijacion axial de un manguito cilindrico sobre un arbol de una maquina de impresion.
JP3542731B2 (ja) * 1998-11-27 2004-07-14 シャープ株式会社 画像形成装置

Also Published As

Publication number Publication date
EP1000737A1 (fr) 2000-05-17
JP2000141598A (ja) 2000-05-23
DE59803357D1 (de) 2002-04-18
ES2172079T3 (es) 2002-09-16
US6267056B1 (en) 2001-07-31

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