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EP1628828B1 - Unite de blocage de mandrin concue pour les mandrins de rouleau imprimeur d'une presse rotative - Google Patents

Unite de blocage de mandrin concue pour les mandrins de rouleau imprimeur d'une presse rotative Download PDF

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Publication number
EP1628828B1
EP1628828B1 EP04733566A EP04733566A EP1628828B1 EP 1628828 B1 EP1628828 B1 EP 1628828B1 EP 04733566 A EP04733566 A EP 04733566A EP 04733566 A EP04733566 A EP 04733566A EP 1628828 B1 EP1628828 B1 EP 1628828B1
Authority
EP
European Patent Office
Prior art keywords
mandrel
locking unit
piston
mounting element
medium cylinder
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
EP04733566A
Other languages
German (de)
English (en)
Other versions
EP1628828A2 (fr
Inventor
Georg Rasch
Hans-Jörg MIESELER
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher 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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP1628828A2 publication Critical patent/EP1628828A2/fr
Application granted granted Critical
Publication of EP1628828B1 publication Critical patent/EP1628828B1/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
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
    • B41P2227/21—Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press

Definitions

  • the invention relates to a mandrel locking unit according to the preamble of claim 1.
  • the prior art therefore includes pressure rollers, which include Druckwalzenendorne, of which pressure roller sleeves - the so-called sleeves - can be deducted and postponed.
  • the pressure rolling mandrels are usually mounted on one end overhung. The free end is included in the printing operation of a bearing that can be removed for the purpose of Sleeve Touchs.
  • all rollers involved in a printing process are to be understood as pressure rollers.
  • the patent DE 197 05 369 A1 shows, for example, such a printing press.
  • Each roller involved in the printing process is associated with a bearing block, which is movable relative to this after releasing the bearing connection to the roller.
  • the actual warehouse is located in a warehouse head. This is movable in parallel to the axis of the roller guides.
  • the method is carried out by a piston-cylinder unit.
  • the unit, consisting of the bearing, the mandrel receiving element, the guides and the piston-cylinder unit, is often referred to as a mandrel locking unit.
  • the mandrel locking unit has a construction-related depth, which is composed at least from the depth of the bearing piston and the maximum stroke of the piston-cylinder unit.
  • This construction depth causes on the operating side of the printing press a space consumption, which has a restrictive effect on the ease of use of the printing press.
  • the US 3,147,702 has a similar mandrel locking unit, but in which not the bearing from the roll, but the roll neck is withdrawn from the roll.
  • the shaft journal is thus part of the mandrel locking unit.
  • the shaft journal is surrounded in this arrangement by the piston designed as a cavity.
  • the piston designed as a cavity.
  • the object of the invention is therefore to propose a Dornverriegelungshow, which has a more compact design with a smaller overall depth.
  • the interface - as stated in the preamble of the main claim - the part of the surface of the piston, which limits the pressure chamber of the pressure medium cylinder.
  • the mandrel receiving member is a suitable for receiving the mandrel on the mandrel support surface component. Since the mandrel is supported on its support surface by means of bearings, this component usually encloses this or these bearings. As a rule, the mandrel receiving element is designed as a sleeve. To displace the mandrel receiving member, it is connected to the piston at a junction.
  • the distance between the interface and the junction is less than three quarters of the maximum stroke of the piston in the cylinder.
  • the distance between the interface and the junction is less than half the maximum stroke of the piston in the cylinder.
  • Such a design offers a good compromise between a compact design and a secure guidance of the mandrel receiving element in the guide sleeve, for example, to prevent tilting.
  • the distance can be significantly smaller.
  • the inner diameter of the pressure medium cylinder is greater than the outer diameter of the mandrel receiving element.
  • the piston is a disk without a piston rod. Since then the mandrel receiving element assumes the leadership function of the piston rod, this must have a greater length than the maximum stroke of the piston.
  • both the mandrel receiving element and the pressure medium cylinder are circular cylindrical designed.
  • the axes of symmetry of these two circular cylindrical components are parallel to each other, but not aligned. This results in a slight acentric connection between these two components, which offers the advantage that the mandrel receiving element can be arranged on one side of the guide bush. If two pressure rollers with a small outer diameter cooperate in one printing press, the minimum outer diameter is given by the dimensions of the mandrel locking unit. If the mandrel receiving element is arranged offset, then the minimum distance can be reduced again, so that it is possible to reduce the minimum printing length of the printing press.
  • the present invention advantageously finds use in flexographic or gravure printing machines, but can also be used in printing machines operating on other principles.
  • the Figures 1 and 2 show a mandrel locking unit 1, which consists essentially of a pressure cylinder 2.
  • the pressure medium cylinder 2 has a pressure chamber 3, in which a piston 4 is displaceable.
  • the piston 4 has on its outer periphery a sealing ring 5, which is known to prevent compressed air from passing from one side to the other side of the piston 4.
  • the compressed air is introduced through the compressed air supply lines 6, 7 in the pressure chamber 3.
  • the pressure medium cylinder 2 has a guide region 8 away from the pressure chamber 3, in which the mandrel receiving element 9 is slidably mounted.
  • the pressure chamber 3 and the guide region 8 are separated from each other by the mandrel receiving element 9 and the seal 10.
  • the mandrel receiving element 9 carries a bearing 11, for example a rolling bearing, which is capable of enclosing the mandrel supporting surface 12 of the pressure rolling mandrel 13.
  • a bearing 11 for example a rolling bearing, which is capable of enclosing the mandrel supporting surface 12 of the pressure rolling mandrel 13.
  • the pressure chamber is acted upon by the compressed air supply 7 with compressed air, so that the piston 4 and with him the mandrel receiving member 9 away from the pressure roller mandrel 13 into its in the Fig. 2 , moved shown end position.
  • the platen 13 and the mandrel locking unit 1 can be moved relative to each other.
  • the mandrel locking unit 1 is moved in the direction of the arrow x.
  • the pressure medium cylinder 2 at at least one point on an opening 14.
  • the Fig. 3 shows the slightly staggered arrangement of the piston 4 and the mandrel receiving member 9 to minimize the distance between the mandrel receiving member 9 and the outer edge of the pressure medium cylinder 2 on the side of the aperture 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rotary Presses (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Rotary Pumps (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (7)

  1. Unité de blocage de mandrin (1) pour une presse rotative, avec
    - un élément de réception de mandrin (9) formant un corps creux, qui reçoit, en l'entourant, dans son intérieur un palier (11) pour la réception d'un mandrin de rouleau imprimeur (13) présentant une face d'application de mandrin (12), et qui est déplaçable entre une position de réception, dans laquelle le mandrin de rouleau imprimeur (13) est en prise avec le palier (11), et une position de libération, dans laquelle le mandrin de rouleau imprimeur (13) est sorti de prise avec le palier (11),
    - un vérin de moyen sous pression (2) présentant une enceinte de pression (3) et un piston (4) se trouvant dans celle-ci pour le déplacement de l'élément de réception de mandrin (9) entre la position de réception et la position de libération, où le piston (4) délimite l'enceinte de pression (3) à une face limite et est relié à un emplacement de liaison à l'élément de réception de mandrin (9) pour la transmission de la force nécessaire pour le déplacement de celui-ci,
    caractérisée en ce que
    - l'écart entre la face limite et l'emplacement de liaison est plus petit que la course maximale du piston (4) dans le vérin de moyen sous pression (2),
    - en ce que le diamètre intérieur du vérin de moyen sous pression (2) est plus grand que le diamètre extérieur de l'élément de réception de mandrin (9) et
    - en ce que le vérin de moyen sous pression présente un perçage (14) ouvert en position de libération de l'élément de réception de mandrin (9) de sorte que le mandrin de rouleau imprimeur (13) et l'unité de blocage de mandrin (1) sont séparables par un mouvement relatif l'un vers l'autre.
  2. Unité de blocage de mandrin (1) selon la revendication 1, caractérisée en ce que l'écart entre la face limite et l'emplacement de liaison est plus petit que trois quarts de la course maximale du piston (4) dans le vérin de moyen sous pression (2).
  3. Unité de blocage de mandrin (1) selon l'une des revendications précédentes, caractérisée en ce que l'écart entre la face limite et l'emplacement de liaison est plus petit que la moitié de la course maximale du piston (4) dans le cylindre de moyen sous pression (2).
  4. Unité de blocage de mandrin (1) selon l'une des revendications précédentes, caractérisée en ce que des parties de l'élément de réception de mandrin (9) dans le cylindre de moyen sous pression (2) sont déplaçables.
  5. Unité de blocage de mandrin (1) selon l'une des revendications précédentes, caractérisée en ce que le piston (4) est un disque sans tige de piston.
  6. Unité de blocage de mandrin (1) selon l'une des revendications précédentes, caractérisée en ce que l'emplacement de liaison entre le piston (4) et l'élément de réception de mandrin (9) présente une liaison par vissage.
  7. Unité de blocage de mandrin (1) selon l'une des revendications précédentes, caractérisée en ce que l'élément de réception de mandrin (9) et le vérin de moyen sous pression (2) ont une forme cylindrique circulaire, et en ce que leurs axes de symétrie s'étendent parallèlement avec un espacement entre eux.
EP04733566A 2003-05-23 2004-05-18 Unite de blocage de mandrin concue pour les mandrins de rouleau imprimeur d'une presse rotative Expired - Lifetime EP1628828B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10323805A DE10323805B3 (de) 2003-05-23 2003-05-23 Dornverriegelungseinheit für Druckwalzendorne in einer Rotationsdruckmaschine
PCT/EP2004/005488 WO2004103706A2 (fr) 2003-05-23 2004-05-18 Unite de blocage de mandrin conçue pour les mandrins de rouleau imprimeur d'une presse rotative

Publications (2)

Publication Number Publication Date
EP1628828A2 EP1628828A2 (fr) 2006-03-01
EP1628828B1 true EP1628828B1 (fr) 2010-04-14

Family

ID=33154510

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04733566A Expired - Lifetime EP1628828B1 (fr) 2003-05-23 2004-05-18 Unite de blocage de mandrin concue pour les mandrins de rouleau imprimeur d'une presse rotative

Country Status (6)

Country Link
US (1) US7900559B2 (fr)
EP (1) EP1628828B1 (fr)
AT (1) ATE464183T1 (fr)
DE (2) DE10323805B3 (fr)
ES (1) ES2343250T3 (fr)
WO (1) WO2004103706A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008514469A (ja) * 2004-09-29 2008-05-08 ゴス インターナショナル コーポレイション 印刷機用のインボード式カンチレバー型シリンダ支持体
DE102005017182A1 (de) * 2005-04-13 2006-10-19 Man Roland Druckmaschinen Ag Vorrichtung und Verfahren zum Andrücken einer Bespannung an einen Druckwerkzylinder einer Rotationsdruckmaschine
US9120302B2 (en) 2012-04-30 2015-09-01 Rossini S.P.A. Bridge sleeves with diametrically expandable stabilizers
US9126395B2 (en) 2012-04-30 2015-09-08 Rossini S.P.A. Bridge sleeves with diametrically expandable stabilizers
EP3916250B1 (fr) * 2020-05-26 2023-02-22 Bobst Bielefeld GmbH Ensemble roulement pour supporter un cylindre d'impression ou un cylindre anilox dans une machine d'impression et machine d'impression

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE543117C (de) * 1930-03-02 1932-02-01 Albert Schnellpressen Lagerung fuer Zylinder an Druckmaschinen, insbesondere fuer die Formzylinder an Rotationstiefdruckmaschinen
US2460504A (en) * 1944-10-24 1949-02-01 William C Huebner Printing apparatus
US3147702A (en) * 1962-10-01 1964-09-08 Clary Corp Printing press roll supporting and adjusting means
US4083205A (en) * 1970-11-05 1978-04-11 Imperial Chemical Industries Limited Textile printing apparatus
JP2874128B2 (ja) * 1993-12-27 1999-03-24 株式会社神戸製鋼所 タイヤ試験機のリムクランプ装置
IT1277167B1 (it) * 1995-03-20 1997-11-05 Rossini Erminio Spa Perfezionamenti ai mandrini deformabili per cilindri da stampa rotativa
DE19705369C2 (de) * 1997-02-12 2003-03-06 Windmoeller & Hoelscher Druckmaschine
SE516997C2 (sv) * 1999-11-16 2002-04-02 Etp Transmission Ab Monteringsverktyg för hydromekanisk chuck
US20030145472A1 (en) * 2002-02-01 2003-08-07 Swift Edgar Leon Reciprocating saw with flush cutting capability

Also Published As

Publication number Publication date
US7900559B2 (en) 2011-03-08
DE10323805B3 (de) 2004-11-11
DE502004011043D1 (de) 2010-05-27
WO2004103706A2 (fr) 2004-12-02
US20060266236A1 (en) 2006-11-30
EP1628828A2 (fr) 2006-03-01
WO2004103706A3 (fr) 2005-05-26
ES2343250T3 (es) 2010-07-27
ATE464183T1 (de) 2010-04-15

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