EP0962316A1 - Ecarteur pour fixer axialement un manchon cylindrique sur un arbre dans une machine à imprimer - Google Patents

Ecarteur pour fixer axialement un manchon cylindrique sur un arbre dans une machine à imprimer Download PDF

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Publication number
EP0962316A1
EP0962316A1 EP98110132A EP98110132A EP0962316A1 EP 0962316 A1 EP0962316 A1 EP 0962316A1 EP 98110132 A EP98110132 A EP 98110132A EP 98110132 A EP98110132 A EP 98110132A EP 0962316 A1 EP0962316 A1 EP 0962316A1
Authority
EP
European Patent Office
Prior art keywords
shaft
cylinder
claws
bushing
printing press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98110132A
Other languages
German (de)
English (en)
Other versions
EP0962316B1 (fr
Inventor
Lars Grüter
Wilfried Kolbe
Klaus Schirrich
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 ES98110132T priority Critical patent/ES2164394T3/es
Priority to EP19980110132 priority patent/EP0962316B1/fr
Priority to DE59801953T priority patent/DE59801953D1/de
Publication of EP0962316A1 publication Critical patent/EP0962316A1/fr
Application granted granted Critical
Publication of EP0962316B1 publication Critical patent/EP0962316B1/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
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes

Definitions

  • the invention relates to a device for axially fixing a cylinder on a shaft of a printing press.
  • Printing presses typically have a number of interchangeable cylinders on. These cylinders can be used, for example, in the case of a flexographic printing press for example, the pressure cylinders or the application rollers.
  • the cylinder When changing cylinders, the cylinder is axially from one end of the Wave withdrawn (EP-A-0 769 373).
  • the cylinder With some types of known printing machines the cylinder is attached to the shaft so that the cylinder and rotate the shaft as one unit during printing. An end of In this case the cylinder is connected to the shaft by an anti-rotation device, and at the other end the cylinder is detachable on the The shaft-attached fixing device is secured against axial displacement in such a way that the anti-rotation device at the opposite end of the cylinder remains engaged with the shaft.
  • the fixing device When changing cylinders, then first the fixing device be fixed so that the cylinder is from the shaft pulls off. The cylinder withdrawn from the shaft then becomes stored in a shelf trolley for next use.
  • the attachment of the Cylinder on the shelf cart is usually done in such a way that the cylinder is pushed axially onto a mandrel protruding freely from the shelf trolley.
  • a disadvantage of this known system is that the fixing device completely removed from the shaft when changing cylinders and must be kept temporarily until it is postponed of the new cylinder is reattached to the shaft. This will automation of the cylinder change is difficult.
  • the object of the invention is therefore a device for axial fixation of the cylinder to create a faster and easier cylinder change enables.
  • This solution has the advantage that the expansion mechanism when changing cylinders does not need to be removed from the shaft, but only to be transferred from the spread to the unspread state needs, so that the cylinder over the expansion mechanism from the shaft pulls off. After the new cylinder has been pushed on, the Spreading mechanism again spread so that it engages at the end of the cylinder and secures it against axial displacement on the shaft.
  • Another advantage of this solution is that there are none on the cylinders structural changes are required so that the cylinders are in the usual way Push it onto the mandrel of a storage or transport frame to let.
  • the spreading mechanism is preferably axially against the End of the cylinder can be tensioned, so that a secure tensioning fixation of the cylinder on the shaft is reached.
  • the spreading mechanism has a socket, which can be adjusted axially on the shaft stub, for example by means of a thread is and on the side facing the cylinder expandable claws carries or supports, which then by axial adjustment of the socket against End of the cylinder can be clamped.
  • the axial movement of the bushing and the Claws can also be used to spread the claws to effect, for example, by placing a cone on the stub shaft on which the claws slide during the axial movement.
  • the claws are preferably elastically biased into the unspread position, so that they automatically release into the open state when the socket is released pass over. This can be particularly advantageous through an inherently elastic Achieve claw design.
  • Figure 1 is one end of a cylinder 10, for example an applicator roller or a printing cylinder of a flexographic printing machine shown with With the help of a spreading mechanism 12 axially fixed on a rotatable shaft 14 of the Printing press is held .
  • the cylinder 10 is in the example shown constructed with two shells, with an inner jacket 16 and an outer jacket 18, the end of which protrudes somewhat beyond the end of the inner jacket, so that a circumferential step 20 is formed on the end face of the cylinder.
  • the shaft 14 has an axially projecting stub shaft 22 at the end on which at the free end an external thread portion 24 with reduced Diameter forms.
  • the spreading mechanism 12 includes one on the male threaded portion 24 screwed bushing 26, an axially fixed and rotatably held on the bushing 26 Claw ring 28 and a cone 30 with the help of a snap ring 32 is held axially fixed on the stub shaft 22.
  • the cone 30 lies on the formed between the stub shaft 22 and the main part of the shaft 14 Shoulder and tapers towards the free end of the Wave stub.
  • the claw ring 28 has several evenly on the circumference distributed self-elastic claws 34, which axially towards the cone 30 project and in the state shown in Figure 1 through the cone are elastically spread so that they are in step with their free ends 20 of the cylinder 14 lie. A further spreading of the claws is done by prevents the protruding edge of the outer jacket.
  • the spreading mechanism 12 remains constantly connected to the shaft 14 and a new cylinder is placed over the spreading mechanism pushed back onto the shaft 14 and then through Reversal of the process described above fixed on the shaft.
  • the bushing 26 only needs to be released and tightened by the expansion mechanism with the help of a suitable tool around the well-defined axis of the shaft 14 to be rotated. This process can be automated easily.

Landscapes

  • Rotary Presses (AREA)
  • Fixing For Electrophotography (AREA)
EP19980110132 1998-06-04 1998-06-04 Ecarteur pour fixer axialement un manchon cylindrique sur un arbre dans une machine à imprimer Expired - Lifetime EP0962316B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES98110132T ES2164394T3 (es) 1998-06-04 1998-06-04 Dispositivo separador para la fijacion axial de un manguito cilindrico sobre un arbol de una maquina de impresion.
EP19980110132 EP0962316B1 (fr) 1998-06-04 1998-06-04 Ecarteur pour fixer axialement un manchon cylindrique sur un arbre dans une machine à imprimer
DE59801953T DE59801953D1 (de) 1998-06-04 1998-06-04 Spreizvorrichtung zur axialen Fixierung einer Zylinderhülse auf einer Welle einer Druckmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980110132 EP0962316B1 (fr) 1998-06-04 1998-06-04 Ecarteur pour fixer axialement un manchon cylindrique sur un arbre dans une machine à imprimer

Publications (2)

Publication Number Publication Date
EP0962316A1 true EP0962316A1 (fr) 1999-12-08
EP0962316B1 EP0962316B1 (fr) 2001-10-31

Family

ID=8232051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980110132 Expired - Lifetime EP0962316B1 (fr) 1998-06-04 1998-06-04 Ecarteur pour fixer axialement un manchon cylindrique sur un arbre dans une machine à imprimer

Country Status (3)

Country Link
EP (1) EP0962316B1 (fr)
DE (1) DE59801953D1 (fr)
ES (1) ES2164394T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267056B1 (en) 1998-11-06 2001-07-31 Fischer & Krecke Gmbh & Co. Printing machine
EP1591248A1 (fr) * 2004-04-30 2005-11-02 MAN Roland Druckmaschinen AG Dispositif pour fixer et enlever un manchon
US7331288B2 (en) 2004-04-30 2008-02-19 Man Roland Druckmaschinen Ag Apparatus for pulling a sleeve on and off
WO2015135532A1 (fr) * 2014-03-11 2015-09-17 Inometa Gmbh & Co. Kg Cylindre d'impression et procédé pour monter un cylindre d'impression

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE122052C (fr) *
US1582453A (en) * 1924-10-07 1926-04-27 John Walrath Print roller
DE470937C (de) * 1929-02-02 Johannisberg G M B H Maschf Vorrichtung zum Aufbringen der geaetzten Rohre auf die Formzylinder von Rotationstiefdruckmaschinen
DE475561C (de) * 1929-04-27 Strueder Sche Buchdruckerei Vorrichtung zum Befestigen kurzer Kupfermaentel auf den Formzylindern von Rotationstiefdruckmaschinen
DE509605C (de) * 1930-10-10 Hamburger Fremdenblatt Brosche Tiefdruck-Formzylinder
US1891405A (en) * 1930-03-21 1932-12-20 Standard Process Corp Cylinder mounting for printing presses
FR1177560A (fr) * 1956-06-26 1959-04-27 Paper Machinery & Res Mandrin pour cylindre d'impression
DE1164967B (de) * 1958-12-24 1964-03-12 Walzengravierwerk Frankenberg Druckwalze fuer den Textildruck mit auswechselbarem Walzenmantel
US4651643A (en) * 1985-02-14 1987-03-24 Sidney Katz Adaptors for use with printing cylinder mandrels
JPH08207232A (ja) * 1995-02-08 1996-08-13 Komori Corp グラビア印刷機の版胴装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE122052C (fr) *
DE470937C (de) * 1929-02-02 Johannisberg G M B H Maschf Vorrichtung zum Aufbringen der geaetzten Rohre auf die Formzylinder von Rotationstiefdruckmaschinen
DE475561C (de) * 1929-04-27 Strueder Sche Buchdruckerei Vorrichtung zum Befestigen kurzer Kupfermaentel auf den Formzylindern von Rotationstiefdruckmaschinen
DE509605C (de) * 1930-10-10 Hamburger Fremdenblatt Brosche Tiefdruck-Formzylinder
US1582453A (en) * 1924-10-07 1926-04-27 John Walrath Print roller
US1891405A (en) * 1930-03-21 1932-12-20 Standard Process Corp Cylinder mounting for printing presses
FR1177560A (fr) * 1956-06-26 1959-04-27 Paper Machinery & Res Mandrin pour cylindre d'impression
DE1164967B (de) * 1958-12-24 1964-03-12 Walzengravierwerk Frankenberg Druckwalze fuer den Textildruck mit auswechselbarem Walzenmantel
US4651643A (en) * 1985-02-14 1987-03-24 Sidney Katz Adaptors for use with printing cylinder mandrels
JPH08207232A (ja) * 1995-02-08 1996-08-13 Komori Corp グラビア印刷機の版胴装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 96, no. 12 26 December 1996 (1996-12-26) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267056B1 (en) 1998-11-06 2001-07-31 Fischer & Krecke Gmbh & Co. Printing machine
EP1591248A1 (fr) * 2004-04-30 2005-11-02 MAN Roland Druckmaschinen AG Dispositif pour fixer et enlever un manchon
US7256810B2 (en) 2004-04-30 2007-08-14 Man Roland Druchmaschinen Apparatus for producing a printing image by means of a laser
US7331288B2 (en) 2004-04-30 2008-02-19 Man Roland Druckmaschinen Ag Apparatus for pulling a sleeve on and off
WO2015135532A1 (fr) * 2014-03-11 2015-09-17 Inometa Gmbh & Co. Kg Cylindre d'impression et procédé pour monter un cylindre d'impression

Also Published As

Publication number Publication date
ES2164394T3 (es) 2002-02-16
DE59801953D1 (de) 2001-12-06
EP0962316B1 (fr) 2001-10-31

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