EP2090432B1 - Cylindre pour une unité d'impression et procédé d'échange d'un manchon d'impression d'un tel cylindre - Google Patents

Cylindre pour une unité d'impression et procédé d'échange d'un manchon d'impression d'un tel cylindre Download PDF

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Publication number
EP2090432B1
EP2090432B1 EP08405036A EP08405036A EP2090432B1 EP 2090432 B1 EP2090432 B1 EP 2090432B1 EP 08405036 A EP08405036 A EP 08405036A EP 08405036 A EP08405036 A EP 08405036A EP 2090432 B1 EP2090432 B1 EP 2090432B1
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EP
European Patent Office
Prior art keywords
cylinder
carrier shaft
sleeve
shaft
clamping
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.)
Not-in-force
Application number
EP08405036A
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German (de)
English (en)
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EP2090432A1 (fr
Inventor
Stefan Beyersdorff
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.)
Mueller Martini Holding AG
Original Assignee
Mueller Martini Holding AG
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 Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Priority to EP08405036A priority Critical patent/EP2090432B1/fr
Priority to JP2009024812A priority patent/JP2009190402A/ja
Priority to CN2009100043720A priority patent/CN101508195B/zh
Priority to US12/370,271 priority patent/US20090199732A1/en
Publication of EP2090432A1 publication Critical patent/EP2090432A1/fr
Application granted granted Critical
Publication of EP2090432B1 publication Critical patent/EP2090432B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/15—Machines with cylinders only supported on one side, e.g. cantilever construction
    • 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 cylinder for a printing unit of a printing press, with a carrier shaft on which a first and a second clamping element are arranged at a distance to each other, on which an interchangeable pressure sleeve is mounted, wherein the carrier shaft is formed as a hollow shaft, in the interior of an actuator is arranged, which cooperate for clamping and releasing the pressure sleeve in each case with the first and second clamping element and are operatively connected to the actuating device Furthermore, the invention relates to a method for replacing a pressure sleeve of such a cylinder.
  • the US 5490458 A relates to a cylinder for a printing unit of a printing press, with a carrier shaft, on which a first and a second clamping element are arranged at a distance from each other, on which an interchangeable pressure sleeve is mounted, wherein the carrier shaft is formed as a hollow shaft, in the interior of which an actuating device is arranged which cooperate for clamping and releasing the pressure sleeve respectively with the first and second clamping element and are operatively connected to the actuating device.
  • FIG. 1 Another cylinder is through the ES 1065654 U known.
  • the carrier shaft is equipped at both ends with a shaft journal of smaller diameter at its ends.
  • On the shaft journal sits in each case an axially under the action of force radially expanding and thus the pressure sleeve on the carrier shaft-defining clamping element.
  • For the axial admission of Clamping elements on the shaft journal on both sides each arranged a clamping nut, wherein the axial movement of the clamping elements is bounded in each case by a shaft collar to the inside.
  • a sufficient centering and a uniform torque transmission from the carrier shaft must be ensured on the pressure sleeve.
  • this is very labor intensive and hardly automatable with double-sided separate loading of the clamping elements.
  • a printing unit for producing different print image lengths in offset printing is from the DE 19955084 A1 known.
  • this device formed on cylinder core of a full rotation offset printing machine as printing sleeves format parts are pushed according to the provided print image length different diameter.
  • the cylinder cores are mounted with their shaft ends on both sides in a machine housing.
  • the drive side of the cylinder core is cantilevered, while the other side has a removable from its support position bearing and thus is designed as a control page for replacing the pressure sleeve.
  • a printing unit for indirect printing in which the pressure sleeve is fixed either by an expanding by means of a pressure medium circumference of the cylinder core or arranged between this and the pressure sleeve, conical ring clamping elements.
  • ring tensioning elements have insufficient concentricity and are relatively expensive to assemble / disassemble.
  • cylinder cores of expandable circumference inevitably have cavities for a corresponding pressure medium. If this results in a pressure drop of the pressure medium, the pressure sleeve dissolves immediately from the cylinder core, which can lead to significant disruptions of the printing process.
  • such cylinder cores represent a compromise between the required rigidity and the deformability required for fixing the pressure sleeve.
  • the EP 1442883 A1 is directed to an originating from the embossing technique clamping cylinder and a corresponding method for clamping cylindrical embossing dies for embossing rolls.
  • the tensioning cylinder comprises a drive shaft and a shaft shoulder of the drive shaft, which is mounted on two outer shaft sections, by means of a respective clamping sleeve, which in turn carries the tubular embossing mold, also referred to as a sleeve.
  • the first fixing device is acted upon axially outside by an adjusting nut, while a spacer tube rests axially inside.
  • the spacer tube adjoins the other end to the second fixing device, which is limited axially outwardly by another, designed with a larger diameter shaft shoulder.
  • the fixing devices expand radially and thus secure the clamping cylinder, which is pushed with or without an embossing mold, onto the drive shaft.
  • the mounting of the embossing mold is supported by temporary expansion with compressed air.
  • the additional arrangement of a clamping sleeve and the requirement to raise the embossing mold with the aid of an air cushion lead to a relatively complicated device and a similar method.
  • the first fixing device which is directly acted upon by the adjusting nut, is first radially expanded.
  • Object of the present invention is to provide a cylinder of the type mentioned, with which the pressure sleeve is easier and faster interchangeable. Nevertheless, a good print quality should be guaranteed. In particular, the clamping and releasing the pressure sleeve should be easy to automate. In addition, appropriate procedures for replacing printing sleeves are specified.
  • the carrier shaft has a drive side with a drive-side shaft end and an operating side with an operator-side shaft end and an extension arranged between the shaft ends and the cylinder, with a first and a second transmission element arranged in each case in a continuous recess of the extension , which cooperate for clamping and releasing the pressure sleeve respectively with the first and the second clamping element and are operatively connected to the actuating device.
  • an adjusting element for the energy storage element is connected to the actuating device.
  • the two clamping elements on their inner and outer diameter on a clearance fit to the carrier shaft or to the pressure sleeve.
  • the radial extent of the two clamping elements is increased, i. their inner diameter is reduced and the outer diameter is increased. This results in a frictional connection between the clamping elements and the carrier shaft or pushed onto the carrier shaft pressure sleeve, wherein the pressure sleeve is firmly clamped on the support shaft.
  • the drive of the cylinder is first switched off and then adjusts the adjustment on the actuator, ie so relaxed that both the energy storage element and the two clamping elements are relaxed.
  • This will result in the non-positive connection again a clearance fit, which is why the pressure sleeve used until then slightly withdrawn, transported by a corresponding opening in the housing of the printing unit and another pressure sleeve can be mounted.
  • the adjustment is again adjusted accordingly and further drawn onto the actuator, whereby both the energy storage element and the two clamping elements and thus the pressure sleeve are stretched on the support shaft.
  • the actuating device on the drive or operator side has an outstanding from the carrier shaft end portion on which both the adjustment and the energy storage element are arranged.
  • a bushing is arranged on the end part and a sleeve bearing on the drive side of the bushing.
  • an axially aligned slot is formed, in which engages a pin connected to the end portion of the actuator.
  • the adjusting element is designed as a clamping nut and arranged on an external thread of the end part.
  • a clamping disc is arranged between the transmission element and the two clamping elements on the extension of the carrier shaft.
  • the extension of the support shaft advantageously provides space for the arrangement of the transmission elements and the clamping disks, the latter evenly distribute the outgoing of the transmission elements clamping force on the two clamping elements.
  • a free space is formed on the drive or operator side shaft end, radially between the carrier shaft and the actuator, and arranged in the free space a clamping sleeve axially displaceable between the energy storage element and another end of the clamping sleeve trained shoulder of the actuator.
  • this embodiment of the invention has mainly manufacturing advantages.
  • the transmission elements each have an inner sleeve and an inner sleeve radially outwardly terminating outer sleeve.
  • the inner sleeve is connected by means of fastening elements with the actuating device and the actuating device has through openings for the fastening elements.
  • the actuating device in each case a radially outwardly directed recess into which projects the inner sleeve of the respective transmission element.
  • the adjusting element against axial movement on the actuating device is designed to be fixed and the actuator rotatably connected to the carrier shaft, wherein parallel to the carrier shaft, a drive shaft for the cylinder is arranged in the housing and is drivingly connected to the carrier shaft.
  • a releasable retaining element and the adjusting element is arranged on the housing of the printing unit.
  • the receiving device is formed as a number of pins, which are arranged on a holding element facing surface of the adjusting element.
  • the holding element is connected to a pneumatic cylinder and is advantageously located on this.
  • the drive of the cylinder is first switched off to change the pressure sleeve and then blocks the adjustment against rotation on the actuator. Thereafter, the drive of the cylinder is turned on again and the carrier shaft and the actuator so twisted that both the energy storage element and the two clamping elements are relaxed, so that the rotationally fixed connection of pressure sleeve and carrier shaft dissolves. Then, the drive of the cylinder is turned off, subtracted the pressure sleeve from the carrier shaft, transported away through the opening in the housing of the printing unit and mounted another pressure sleeve. Thereafter, the bearing plate is pivoted back to its original position, ie the opening closed.
  • this sub-process can be advantageously automated.
  • the drive-side shaft end of the carrier shaft is cantilevered and the operator end shaft end has a removable from its support position bearing.
  • the bearing is supported by a bearing plate in the housing and the bearing plate can be swung out of the housing.
  • the bearing plate on a pivot bearing.
  • the pressure sleeve has on both end faces in each case an integral support ring and the two clamping elements are arranged between the support shaft and the respective support ring.
  • mounting recesses are formed in the support rings.
  • At least one further support element is arranged in the interior of the cylinder and a centering sleeve is arranged on the carrier shaft between the two clamping elements.
  • the Fig. 1 shows a limited to the essential for understanding the invention components side view of a printing unit 1 of an offset printing machine.
  • the printing unit 1 is equipped inter alia with a cylinder 2, in which case, for example, a blanket cylinder is shown. It has a housing 3 with two side parts 4, 4 'serving for supporting the cylinder 2.
  • Other also belonging to the printing unit 1 components, such as plate cylinder and impression cylinder and inking and dampening are not shown for reasons of clarity.
  • the cylinder 2 consists of a cylinder core designed as a carrier shaft 5, with which a format part designed as a pressure sleeve 6 is detachably connected.
  • the pressure sleeve 6 has on both end faces in each case an integral support ring 7, 7 ', which in the assembled state by means of a seated on the support shaft 5, designed as a clamping bush, first and second clamping element 8, 8' on the support shaft 5 rotatably clamped ( Fig. 2 ).
  • the two clamping elements 8, 8 ' In the untensioned state, the two clamping elements 8, 8 'are cylindrical inside and outside.
  • One side of the carrier shaft 5 is connected to a drive 9 and is therefore referred to as the drive side 10, while the other side of the carrier shaft 5 is at least temporarily accessible for operating and maintenance work and thus operating side 10 'is called ( Fig. 1 ).
  • the support shaft 5 is extended beyond the cylinder 2 out, ie, it has on both sides each formed as a shaft journal shaft end 11, 11 'and an axially between the cylinder 2 and the shaft end 11, 11' arranged extension 12, 12 '.
  • Both on the drive side and on the operating side extension 12, 12 ' is designed as a driver transmission element 13, 13' is arranged, which in each case one on the extensions 12, 12 'seated clamping plate 14, 14', the respective clamping element 8, 8 ' acted upon axially.
  • the transmission elements 13, 13' can also be arranged in the interior of the cylinder 2.
  • the cylinder 2 is driven via a drive shaft 17 arranged parallel to the carrier shaft 5, for which purpose a pinion 18 seated on the drive shaft 17 meshes with a toothed wheel 19 fastened on the drive-side shaft end 11, forming a single-stage helical gear (FIG. Fig. 2 . 3 ).
  • the drive shaft 17 is connected to the drive 9 designed as a motor ( Fig. 1 ).
  • the carrier shaft 5 in the side part 4 supporting two bearings 20, 21 are arranged and designed as a ball bearing or needle roller bearings.
  • the bearing 20 is secured with a groove nut 22 on the drive-side shaft end 11 and the bearing 21 by means of a formed between the shaft end 11 and the extension 12 shaft shoulder 23 ( Fig. 3 ).
  • the operator-side shaft end 11 ' carries a two cylindrical roller bearings formed, the support shaft 5 in the side part 4' supporting bearing 24 which is also secured in the axial direction with a nut 22 'and a shaft shoulder 23 ( Fig. 4 ).
  • the service-side bearing 24 and its end plate 25 is removable from its support position, for example, designed wegschwenkbar.
  • the carrier shaft 5 is formed as a hollow shaft and takes in its interior a rotatably connected to the support shaft 5, limited back and forth movable, designed as a pull rod actuator 30, which is one of the carrier shaft 5 outstanding, drive-side end portion 31 has.
  • an energy storage element 32 On the end portion 31 of the actuator 30 sits an energy storage element 32, which has a plate spring packet 33 ( Fig. 3 ).
  • the energy storage element 32 is held on the drive side by a clamping element designed as a clamping element 34, which in turn is arranged on an external thread 35 of the end portion 31.
  • Adjustment element 34 and actuating device 30 are thus designed to be movable relative to one another in the axial direction.
  • the disc spring package 33 it is also possible to use another mechanical or pneumatic energy storage element.
  • a sleeve 36 and the drive side of the sleeve 36 are arranged.
  • axially aligned slot 38 is formed, in which a connected to the actuator 30 pin 39, the sleeve 36 engages locking against rotation.
  • the carrier shaft 5 has a larger inner diameter and the actuating device 30 has a smaller outer diameter than is the case in the region of the cylinder 2.
  • radial clearance 40 between the support shaft 5 and the actuator 30 is a serving to act on the drive-side, the first clamping element 8 clamping sleeve 41 between the energy storage element 32 and the first clamping element 8 arranged axially displaceable.
  • the clamping sleeve 41 is formed in two parts, that is, it has a first, subsequent to the energy storage element 32 sleeve part 41a and arranged in the region of the drive-side transmission element 13, second sleeve part 41b, but may also be integrally formed.
  • the second sleeve part 41 b extends through the drive-side transmission element 13 through the remaining free space 40 on the drive side of a shoulder 42 of the actuator 30.
  • Operating side of the energy storage element 32 is between the clamping sleeve 41 and actuator 30, a centering sleeve 43 for the actuator 30 is arranged.
  • the drive-side transmission element 13 is mounted in a continuous recess 44 of the extension 12 of the support shaft 5 and is seated on the actuator 30.
  • the transmission element 13 is formed in two parts, i. It has an inner sleeve 45 and an outer sleeve 46 terminating the latter radially outwards.
  • the inner sleeve 45 is connected to the actuating device 30 by means of fastening elements 47 designed as screws, wherein the actuating device 30 has slot-like through openings 48 for the fastening elements 47.
  • the second sleeve part 41 b is provided with a radially outwardly directed recess 49, in which the inner sleeve 45 of the drive-side transmission element 13 engages.
  • the inner sleeve 45 of the drive-side transmission element 13 is axially displaced against the clamping plate 14 so that it acts on the drive-side, first clamping element 8 axially.
  • the operator-side transmission element 13 ' is analogous. Its inner sleeve 45 ', however, sits in an outwardly directed recess 49' of the actuator 30 and is acted upon by this axially ( Fig. 4 ).
  • the adjusting element 34 has a receiving device 52 for the holding element 50, consisting of a surface 53 facing the holding element 50 and a plurality of pins 54 arranged thereon (FIG. Fig. 3 ).
  • the drive 9 of the cylinder 2 is first switched off.
  • the holding member 50 by means of Pneumatic cylinder 51 disengaged in the direction of the adjusting element 34 until it impinges on its facing surface 53 and comes with their pins 54 into engagement.
  • the drive 9 of the cylinder 2 is turned on again, whereby the carrier shaft 5 together with the actuator 30 and the energy storage element 32 disposed thereon via the drive shaft 17 and the spur gear rotates defined, i. the adjusting element 34 is loosened on the external thread 35 of the end portion 31 and the energy storage element 32 is relaxed.
  • the actuating device 30 is moved in the direction of the operating side 10 ', while on the other hand, the clamping sleeve 41 is no longer acted upon by the relaxed energy storage element 32 in the direction of the operating side 10'.
  • the bearing plate 25 After releasing the locking elements 29 from the receiving elements 28 of the bearing plate 25 is pivoted about its pivot bearing 26. Thus, the opening 27 is released and the pressure sleeve 6 is ready for replacement ( Fig. 1 ). It is removed through this opening 27 and replaced with another pressure sleeve 6 required for the further pressure. Thereafter, the bearing plate 25 is pivoted to its initial position, ie the opening 27 closed again. The actual removal or pushing the pressure sleeve 6 is carried out either manually or by means of an auxiliary device, not shown. In this case, the outer sleeve 46 'of the operator-side transmission element 13' assumes a centering function for the pressure sleeve 6.
  • This axial compressive force is transmitted to the drive-side clamping disk 14, which acts on the operating side fixed, first clamping element 8 axially, so that this expands in the radial direction, while the pressure sleeve 6 on the drive side braced on the support shaft 5.
  • the second side clamping element 8 'arranged on the operating side is acted upon by the inner sleeve 45' of the operating-side transmission element 13 'guided in the recess 49' of the actuating device 30 and by an axially directed tension force via the tensioning disk 14 ' and thereby compressed, whereby the pressure sleeve 6 is clamped at the same time to its drive-side clamping and the control side with the carrier shaft 5.
  • the drive 9 of the cylinder 2 is turned off and the blocking of the adjusting element 34 is released, after which the printing unit 1 is ready for use again.
  • the number of required rotations of the carrier shaft 5 and thus the actuator 30 is clearly defined. This can be detected, for example, by evaluating a rotary encoder of the drive 9 or by evaluating the detected via inductive proximity sensors, axial Verstellweges the adjustment 34. About the nature of the energy storage element 32 and the tightening torque of the adjusting element 34 and the dimensioning of the two clamping elements 8, 8 ', the transmittable torque can in principle be arbitrarily increased.
  • the entire process of clamping and releasing the pressure sleeve is carried out automatically and is controlled and monitored by means of an evaluation and control unit, not shown.
  • the position of the adjusting element 34 is detected.
  • the position and the presence of the pressure sleeve 6 is determined, either also via a proximity sensor or by means of a radio-frequency identification (RFID) system.
  • RFID radio-frequency identification
  • other input variables for the control can be detected, for example the type of cylinder (for example blanket cylinder, plate cylinder) or its diameter.
  • the release and tensioning of the pressure sleeves 6 can also be made directly by an operator.
  • the provision of a holding element 50 together with the pneumatic cylinder 51 and the corresponding receiving device 52 on the adjusting element 34 and the control described above are unnecessary.
  • the number of necessary steps so that after switching off the drive 9 of the cylinder 2 and the opening of the printing unit 1, only the adjusting element 34 must be loosened on the actuator 30 to both the energy storage element 32 and thus the two clamping elements 8, 8 'to relax.
  • the pressure sleeve 6 can be deducted from the support shaft 5 and another pressure sleeve 6 are pushed. Finally, the adjusting element 34 is tightened again on the actuator 30 and in this way both the energy storage element 32 and the two clamping elements 8, 8 'and thus the pressure sleeve 6 stretched on the support shaft 5. After closing the opening 27, the printing unit 1 is ready for use again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)

Claims (25)

  1. Cylindre dévolu à un mécanisme d'impression d'une machine à imprimer, comportant un arbre de support (5) sur lequel sont placés, à distance l'un de l'autre, des premier et second éléments de serrage (8, 8') sur lesquels est monté un manchon d'impression (6) remplaçable, ledit arbre de support (5) étant réalisé sous la forme d'un arbre creux dans l'espace interne duquel se trouve un dispositif de manoeuvre (30) muni d'au moins un élément réglable (32) d'accumulation d'énergie, en vue du blocage et de la libération des deux éléments de serrage (8, 8'), caractérisé par le fait que l'arbre de support (5) comprend un côté entraînement (10) pourvu d'une extrémité (11) située côté entraînement et un côté actionnement (10') doté d'une extrémité (11') située côté actionnement, ainsi qu'un prolongement respectif (12, 12') interposé entre le cylindre (2) et les extrémités (11, 11') dudit arbre, avec des premier et second éléments de transmission (13, 13') qui sont respectivement logés dans un évidement (44, 44') traversant ledit prolongement (12, 12'), coopèrent avec les premier et second éléments respectifs de serrage (8, 8'), en vue de bloquer et de libérer le manchon d'impression (6), et sont en liaison opérante avec le dispositif de manoeuvre (30).
  2. Cylindre selon la revendication 1, caractérisé par le fait qu'un élément de réglage (34), dédié à l'élément (32) d'accumulation d'énergie, est relié au dispositif de manoeuvre (30).
  3. Cylindre selon la revendication 2, caractérisé par le fait que le dispositif de manoeuvre (30) comporte une partie d'extrémité (31) faisant saillie au-delà de l'arbre de support (5), l'élément de réglage (34) étant implanté sur ladite partie d'extrémité (31).
  4. Cylindre selon la revendication 3, caractérisé par le fait que l'élément (32) d'accumulation d'énergie est pareillement implanté sur la partie d'extrémité (31), un coussinet (36), ainsi qu'un palier de glissement (37) situé côté entraînement dudit coussinet (36), étant interposés entre l'élément de réglage (34) et ledit élément (32) d'accumulation d'énergie.
  5. Cylindre selon la revendication 4, caractérisé par le fait qu'un trou oblong (38) orienté axialement, dans lequel pénètre un téton (39) relié à la partie d'extrémité (31), est pratiqué dans le coussinet (36).
  6. Cylindre selon l'une des revendications 3 à 5, caractérisé par le fait que l'élément de réglage (34) est réalisé sous la forme d'un écrou de serrage et est disposé sur un filetage extérieur (35) de la partie d'extrémité (31).
  7. Cylindre selon l'une des revendications 1 à 6, caractérisé par le fait qu'un disque de serrage (14, 14') est disposé sur le prolongement (12, 12'), entre les éléments de transmission (13, 13') et l'élément de serrage (8, 8') respectif.
  8. Cylindre selon la revendication 7, caractérisé par le fait qu'un espace libre (40) est réservé radialement entre l'arbre de support (5) et le dispositif de manoeuvre (30), à l'extrémité (11, 11') dudit arbre qui est située côté entraînement ou côté actionnement, une douille de serrage (41) étant logée, dans ledit espace libre (40), avec faculté de coulissement axial entre l'élément (32) d'accumulation d'énergie et un épaulement (42) dudit dispositif de manoeuvre (30) qui est ménagé à l'autre extrémité de ladite douille de serrage (41).
  9. Cylindre selon l'une des revendications 1 à 8, caractérisé par le fait que les éléments de transmission (13, 13') sont respectivement constitués d'une douille intérieure (45, 45') et d'une douille extérieure (46, 46') qui occulte cette dernière vers l'extérieur, dans le sens radial, ladite douille intérieure (45, 45') étant reliée au dispositif de manoeuvre (30) au moyen d'éléments de fixation (47, 47'), et ledit dispositif de manoeuvre (30) étant percé d'orifices de passage (48) assignés auxdits éléments de fixation (47, 47').
  10. Cylindre selon la revendication 9, caractérisé par le fait que la douille de serrage (41) et le dispositif de manoeuvre (30) sont respectivement munis, dans la région du premier élément de transmission (13) et dans la région du second élément de transmission (13'), d'un évidement (49, 49') pointant vers l'extérieur, dans le sens radial, et dans lequel s'engage la douille intérieure (45, 45') de l'élément de transmission (13, 13') respectif.
  11. Cylindre selon l'une des revendications 1 à 10, caractérisé par le fait que l'extrémité (11) située côté entraînement de l'arbre de support (5) est montée flottante et l'extrémité (11'), située côté actionnement dudit arbre, est dotée d'un palier (24) pouvant être démonté de son emplacement d'appui.
  12. Cylindre selon la revendication 11, caractérisé par le fait que le palier (24) prend appui dans un carter (3) du mécanisme d'impression (1), par un flasque de montage (25), et ledit flasque de montage (25) est réalisé avec faculté d'excursion pivotante hors dudit carter (3).
  13. Cylindre selon la revendication 12, caractérisé par le fait que le flasque de montage (25) présente un palier de pivotement (26).
  14. Cylindre selon l'une des revendications 1 à 13, caractérisé par le fait que le manchon d'impression (6) est respectivement muni d'une bague d'appui (7, 7') solidaire, aux deux faces extrêmes, les éléments de serrage (8, 8') étant interposés entre l'arbre de support (5) et la bague d'appui (7, 7') respective.
  15. Cylindre selon la revendication 14, caractérisé par le fait que des évidements de montage (56, 56') sont façonnés dans les bagues d'appui (7, 7').
  16. Cylindre selon l'une des revendications 1 à 15, caractérisé par le fait qu'au moins un élément d'appui (57) supplémentaire est logé dans l'espace interne dudit cylindre (2).
  17. Cylindre selon l'une des revendications 1 à 16, caractérisé par le fait qu'une douille de centrage (55) est disposée sur l'arbre de support (5), entre les deux éléments de serrage (8, 8').
  18. Cylindre selon l'une des revendications 1 à 17, caractérisé par le fait que l'élément (32) d'accumulation d'énergie comporte un empilement de rondelles élastiques (33).
  19. Cylindre selon l'une des revendications 2 à 18, caractérisé par le fait que l'élément de réglage (34) est réalisé avec faculté de consignation à demeure interdisant des mouvements axiaux, sur le dispositif de manoeuvre (30), et ledit dispositif de manoeuvre (30) est relié à l'arbre de support (5) avec verrouillage rotatif, sachant qu'un arbre d'entraînement (17) dédié audit cylindre (2) est logé dans un carter (3) du mécanisme d'impression (1), parallèlement à l'arbre de support (5), et est en liaison d'entraînement avec ledit arbre de support (5).
  20. Cylindre selon la revendication 19, caractérisé par le fait qu'un élément de retenue (50), dont la prise peut être neutralisée, est disposé sur le carter (3) et un système de réception (52), affecté audit élément de retenue (50), est disposé sur l'élément de réglage (34).
  21. Cylindre selon la revendication 20, caractérisé par le fait que le système de réception (52) se présente comme un certain nombre de tétons (54) disposés sur une surface (53) de l'élément de réglage (34) qui est tournée vers l'élément de retenue (50).
  22. Cylindre selon la revendication 20 ou 21, caractérisé par le fait que l'élément de retenue (50) est relié à un vérin pneumatique (51).
  23. Cylindre selon l'une des revendications 20 à 22, caractérisé par le fait que l'élément de retenue (50) est implanté sur le vérin pneumatique (51).
  24. Procédé de remplacement d'un manchon d'impression (6) disposé sur un arbre de support (5) d'un cylindre (2) équipé d'un entraînement (9), dans un mécanisme d'impression (1) d'une machine à imprimer, conformément à l'une des revendications 1 à 18, dans lequel l'entraînement (9) dudit cylindre (2) est tout d'abord mis à l'arrêt, la liaison à verrouillage rotatif entre le manchon d'impression (6) et l'arbre de support (5) est dissociée, ledit manchon d'impression (6) est déboîté dudit arbre de support (5) et est évacué à travers un orifice (27) pratiqué dans un carter (3) dudit mécanisme d'impression (1), avant qu'un autre manchon d'impression (6) soit présenté, emboîté sur ledit arbre de support (5) et relié à ce dernier avec verrouillage rotatif, puis que ledit orifice (27) soit de nouveau obturé, caractérisé par le fait :
    • qu'à l'issue de la mise à l'arrêt de l'entraînement (9) du cylindre (2), un élément de réglage (34) est ajusté sur le dispositif de manoeuvre (30) en vue de détendre, à la fois, l'élément (32) d'accumulation d'énergie et les deux éléments de serrage (8, 8'),
    • que le manchon d'impression (6) est déboîté de l'arbre de support (5), puis un autre manchon d'impression (6) est emboîté,
    • que ledit élément de réglage (34) est ajusté en vue de brider aussi bien l'élément (32) d'accumulation d'énergie que les deux éléments de serrage (8, 8'), et donc ledit manchon d'impression (6), sur ledit arbre de support (5).
  25. Procédé de remplacement d'un manchon d'impression (6) disposé sur un arbre de support (5) d'un cylindre (2) équipé d'un entraînement (9), dans un mécanisme d'impression (1) d'une machine à imprimer, conformément à l'une des revendications 19 à 23, dans lequel l'entraînement (9) dudit cylindre (2) est tout d'abord mis à l'arrêt, la liaison à verrouillage rotatif entre le manchon d'impression (6) et l'arbre de support (5) est dissociée, ledit manchon d'impression (6) est déboîté dudit arbre de support (5) et est évacué à travers un orifice (27) pratiqué dans un carter (3) dudit mécanisme d'impression (1), avant qu'un autre manchon d'impression (6) soit présenté, emboîté sur ledit arbre de support (5) et relié à ce dernier avec verrouillage rotatif, puis que ledit orifice (27) soit de nouveau obturé, caractérisé par le fait :
    • que l'élément de réglage (34) est bloqué sur le dispositif de manoeuvre (30) à l'issue de la mise à l'arrêt de l'entraînement (9) du cylindre (2), en étant empêché de tourner,
    • que l'entraînement (9) dudit cylindre (2) est enclenché, une rotation est imprimée tant audit arbre de support (5) qu'audit dispositif de manoeuvre (30) et, à la fois, l'élément (32) d'accumulation d'énergie et les deux éléments de serrage (8, 8') sont détendus,
    • que ledit entraînement (9) du cylindre (2) est mis à l'arrêt, ledit manchon d'impression (6) est déboîté dudit arbre de support (5), puis un autre manchon d'impression (6) est emboîté,
    • que ledit entraînement (9) du cylindre (2) est de nouveau enclenché, une rotation est imprimée tant audit arbre de support (5) qu'audit dispositif de manoeuvre (30), en sens inverse de la direction de rotation précédemment choisie et, à la fois, l'élément (32) d'accumulation d'énergie et les deux éléments de serrage (8, 8'), et donc ledit manchon d'impression (6), sont bridés sur ledit arbre de support (5),
    • que, pour finir, ledit entraînement (9) du cylindre (2) est mis à l'arrêt et ledit élément de réglage (34) est desserré.
EP08405036A 2008-02-12 2008-02-12 Cylindre pour une unité d'impression et procédé d'échange d'un manchon d'impression d'un tel cylindre Not-in-force EP2090432B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08405036A EP2090432B1 (fr) 2008-02-12 2008-02-12 Cylindre pour une unité d'impression et procédé d'échange d'un manchon d'impression d'un tel cylindre
JP2009024812A JP2009190402A (ja) 2008-02-12 2009-02-05 印刷機の印刷機構用シリンダ並びにそのようなシリンダの印刷スリーブを交換する方法
CN2009100043720A CN101508195B (zh) 2008-02-12 2009-02-12 印刷机印刷机组的滚筒和更换这种滚筒的印刷套筒的方法
US12/370,271 US20090199732A1 (en) 2008-02-12 2009-02-12 Cylinder for a printing unit of a printing machine and method for replacing a sleeve for such the cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08405036A EP2090432B1 (fr) 2008-02-12 2008-02-12 Cylindre pour une unité d'impression et procédé d'échange d'un manchon d'impression d'un tel cylindre

Publications (2)

Publication Number Publication Date
EP2090432A1 EP2090432A1 (fr) 2009-08-19
EP2090432B1 true EP2090432B1 (fr) 2012-06-06

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EP08405036A Not-in-force EP2090432B1 (fr) 2008-02-12 2008-02-12 Cylindre pour une unité d'impression et procédé d'échange d'un manchon d'impression d'un tel cylindre

Country Status (4)

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US (1) US20090199732A1 (fr)
EP (1) EP2090432B1 (fr)
JP (1) JP2009190402A (fr)
CN (1) CN101508195B (fr)

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DE102012206972B4 (de) * 2012-04-26 2019-03-14 Spm Steuer Gmbh & Co. Kg Werkzeugzylinder mit auswechselbarer Werkzeughülse sowie Präge- oder Druckmaschine mit einem solchen Werkzeugzylinder sowie Werkzeugzylinder-Set
US8915185B2 (en) 2012-09-05 2014-12-23 Bunting Magnetics Co. Assembly for axially aligning a print die
CN102877249B (zh) * 2012-09-13 2015-09-02 强记实业公司 动力辅助防止中边压力不均匀的纺织染压辊
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CN105579951B (zh) * 2013-07-31 2019-04-09 惠普发展公司，有限责任合伙企业 基于跨卷筒变形修改印刷
DE102014103251A1 (de) 2014-03-11 2015-09-17 Inometa Gmbh & Co. Kg Druckwalze und Verfahren zum Montieren einer Druckwalze
WO2016016793A1 (fr) * 2014-07-30 2016-02-04 Omet S.R.L. Machine d'impression pourvue d'un système de préalignement
CN104972275B (zh) * 2015-06-24 2017-05-17 陈章湖 一种可拆分式大型圆筒体工件的精加工工艺
CN105711253A (zh) * 2016-02-29 2016-06-29 马宁 一种印刷滚筒表面缺陷检测用套柱
CN105798879B (zh) * 2016-04-26 2017-11-28 北京印刷学院 一种印刷机套筒智能微动机器人
CN106042638B (zh) * 2016-07-18 2019-02-15 天津长荣科技集团股份有限公司 一种可快速更换版滚筒的装置及其工作方法
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EP2090432A1 (fr) 2009-08-19
JP2009190402A (ja) 2009-08-27
CN101508195B (zh) 2012-11-28
US20090199732A1 (en) 2009-08-13
CN101508195A (zh) 2009-08-19

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