EP0511496A1 - Rotationsdruckmaschine mit lösbarem Zylinder - Google Patents

Rotationsdruckmaschine mit lösbarem Zylinder Download PDF

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Publication number
EP0511496A1
EP0511496A1 EP92105264A EP92105264A EP0511496A1 EP 0511496 A1 EP0511496 A1 EP 0511496A1 EP 92105264 A EP92105264 A EP 92105264A EP 92105264 A EP92105264 A EP 92105264A EP 0511496 A1 EP0511496 A1 EP 0511496A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
conveyor
printing machine
rotary printing
rails
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
EP92105264A
Other languages
English (en)
French (fr)
Other versions
EP0511496B1 (de
Inventor
Martin Schweizer
Charles Stark
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.)
Bobst Mex SA
Original Assignee
Bobst SA
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 Bobst SA filed Critical Bobst SA
Publication of EP0511496A1 publication Critical patent/EP0511496A1/de
Application granted granted Critical
Publication of EP0511496B1 publication Critical patent/EP0511496B1/de
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
    • 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
    • B41F13/34—Cylinder lifting or adjusting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/80—Means enabling or facilitating exchange of cylinders
    • B41P2213/804—Means enabling or facilitating exchange of cylinders radially

Definitions

  • the present invention relates to a rotary printing machine comprising a removable cylinder, in particular a screened ink transfer cylinder called "anilox", held between the two side walls of the frame of the machine by means of holding and drive free at will.
  • the printing cylinder 15 is held by two axes with conical ends 61 and 65 respectively penetrating conical orifices arranged coaxially in each side face of the cylinder.
  • the axis 61 can be advanced or withdrawn at will on the direction of the cylinder to grasp or release it.
  • an ink tank 85 is held under the printing cylinder by an arm 86 which can both turn around and go up or down along a vertical threaded shaft 91 located against a side wall.
  • the connection between the tank and the end of the arm is also movable in rotation.
  • the interior of the bowl is lined with 114 V semi-rigid supports for the cylinder.
  • the object of the present invention is a rotary printing machine comprising a device for gripping and releasing a removable cylinder from the machine to load it on a workshop trolley in order to take it to another machine and / or to quickly bring another cylinder in exchange, and this by simple and obvious manipulations.
  • a device for gripping and releasing a removable cylinder from the machine to load it on a workshop trolley in order to take it to another machine and / or to quickly bring another cylinder in exchange, and this by simple and obvious manipulations.
  • a device must be reliable, in particular must not be able to be the cause of accidents, without implying necessarily oversized heavy and expensive parts.
  • a rotary printing machine comprising a removable cylinder held between the two side walls of the frame of the machine by means of holding and driving which can be disengaged at will because it includes within its frame means located in a vertical plane passing through the cylinder making it possible to first vertically move this cylinder kept horizontal in order to bring this cylinder to a conveyor situated at a height making it possible to take this cylinder out of the frame of the printing machine by a movement in a horizontal plane and perpendicular to its longitudinal axis.
  • the disengagement of the cylinder from the machine is essentially broken down into two movements: a first movement in the vertical plane of the cylinder making it possible to bring the latter onto the conveyor; and a second movement by the conveyor leaving the cylinder of the machine by the upstream or downstream face.
  • the installation within the machine of the means ensuring the first movement allows better stability and optimization of the space occupied by their simplified design.
  • the conveyor comprises two rails fixed vis-à-vis either against the opposite internal faces of the side walls of the frame or placed on sleepers of the frame.
  • On these rails roll two identical carriages respectively, furnished in their upper faces with at least one cylinder support and held together at their end on the same side by a rigid connection, a connection thus making it possible to provide a free space in the center of the conveyor.
  • one of the rails of the conveyor comprises a rack and the corresponding carriage comprises a device with cleats actuated by a handle to engage in one of the notches of the rack and immobilize the conveyor in a precise position.
  • the conveyor can be considered as a mobile frame on rails and supporting the cylinder at its two ends, the space in the middle being advantageously used to receive means ensuring the first movement in the vertical direction.
  • the means for vertical displacement of the cylinder on the supports of the trolleys of the conveyor comprise a table parallel and underlying the cylinder, of length less than the distance between the trolleys and provided on its upper face with supports of cylinder.
  • This table is moved vertically by lifting means between a high position against the lower part of the cylinder and a low position which is lower than the position of the carriages, this table passing through the space in the center of the conveyor.
  • the lifting means of the table can essentially consist of two arms arranged in "X", articulated in their center and whose ends are movable in rotation. One of the lower ends on the ground and one of the upper ends under the table at least are more mobile in translation parallel to the table.
  • An actuator controls the position of either the movable ends in upper translation or the movable ends in lower translation.
  • the actuator is installed on the ground.
  • the table lifting means comprise one or more underlying vertical actuators.
  • the table once retracted is found completely at ground level under the conveyor, and the whole of the cylinder release device cannot in any way interfere with the proper functioning of the printing machine.
  • a workshop trolley itself comprises conveyor rails located at a level and with a spacing identical to those of the conveyor rails of the machine.
  • This carriage further comprises positioning means making it possible to wedge it relative to the upstream or downstream face of the frame so that these rails are found in the extension of those of the machine.
  • Such a cart may also include a conveyor having a space in the center as defined above.
  • the trolley conveyor on horizontal rails is installed near and under the cylinder.
  • the means for vertical displacement of the cylinder then comprise one or more supports respectively mounted, mobile in rotation, on a vertical threaded rod engaged in a threaded orifice on the upper face of the corresponding carriage.
  • one or more cylinder supports are raised and lowered as desired by a vertical actuator.
  • the conveyor comprises two columns located opposite each one close to the opposite internal faces of the side walls of the frame and fixed on sleepers, each column supporting, close to and under the cylinder, a horizontal bar extending out of the frame and each end of which is completed by a stop plate, the two bars being held relative to each other by at least one horizontal transverse bar.
  • the means for vertical displacement of the cylinder then consist of a device with ascending and descending jacks, the means for holding and driving the cylinder.
  • each lateral end of the removable cylinder is in fact extended by a concentric crown whose internal face has a conical part oriented towards the inside of the cylinder and that the removable cylinder holding and driving parts are discs with conical periphery , their largest diameter being greater than the smallest internal diameter of the corresponding crown.
  • One of the discs then usefully comprises a concentric pusher which can bear against the lateral face in correspondence with the cylinder in order to disengage the end crown from the disc when the opposite disc is in the retracted position.
  • the contact surface between the drive part and the lateral face of the cylinder is found on a circumference of a larger radius. This contact surface can then be reduced, making the clearance even easier.
  • the frame 10 of the rotary printing machine is represented here only by its volume delimited by the broken lines, and the cylinders situated above the anilox cylinder 15, such as door cylinders - plates and pressure rollers, have also not been shown.
  • the anilox cylinder 15 to be exchanged is shown here shorter than reality in order to better show the holding and driving means.
  • the inking device essentially consists of a longitudinal chamber 11 applied against the anilox cylinder 15 and inside of which circulates ink which is scraped off when it is deposited on the cylinder by two blades , a superior and a inferior.
  • Each side face of the anilox cylinder 15 is extended by a crown 17, in this case identical in diameter to that of the cylinder, and the internal surface of which has a conical part 19 oriented towards the inside of the cylinder.
  • This conical part 19 can, for example, be produced in the form of a chamfer on the internal circular edge.
  • This anilox 15 cylinder is held between two discs 40 and 41 whose periphery 43 is also conical oriented towards the cylinder. These discs 40 and 41 are mounted, mobile in rotation, on each lateral face of the frame 10 with, if necessary, a device with jacks 42 for slightly raising or lowering the cylinder 15 against the printing cylinder not shown.
  • the installation of the disc 40 also includes a device 44 with hydraulic or pneumatic cylinders making it possible to advance or retreat the disc 40 relative to the cylinder 15 at will.
  • a device 44 with hydraulic or pneumatic cylinders making it possible to advance or retreat the disc 40 relative to the cylinder 15 at will.
  • the disc 41 comprises in its center a pusher 45, that is to say a coaxial internal piston whose external face visible in FIG. 1 can be advanced by an internal actuator, not shown, in the direction of the corresponding lateral face of the removable cylinder 15.
  • the anilox cylinder release device 15 comprises on the one hand an ascending and descending table 30 and on the other hand a horizontal conveyor 20.
  • the table 30 furnished on its upper face with several cylinder supports 37 is supported by two arms arranged in "X" and articulated in rotation in their center.
  • the upper end of the arm 32, forward in FIG. 1 is fixed under the table 30 movable in rotation.
  • the lower end of the arm 31, forward in FIG. 1 is fixed mobile in rotation but on the ground.
  • the upper end of the arm 31 is both movable in rotation and in translation under the table 30 by means of rollers 34.
  • the lower end of the arm 32, behind in FIG. 1 is movable simultaneously in rotation and translation along the ground by means of rollers 35.
  • a actuator 38 imposes the position of the lower end of the arm 32 forcing, by the kinematics of the cross arms, the height position of the table 30.
  • This actuator 38 can indifferently be a hydraulic, pneumatic cylinder or even a threaded rod, movable in rotation, driven by an electric motor and passing through a threaded orifice formed in the lower part of the arm 32. As illustrated in this FIG. 2, this table 30 comes, in the retracted position, to be positioned between two crosspieces 12 of the frame 10.
  • the conveyor 20 comprises two rails 21 and 21 'fixed close to the ground vis-à-vis against the side walls of the frame 10 and preferably also supported by the crosspieces 12 on the ground.
  • the conveyor 20 rolls an identical carriage 22 lined in its upper face with two cylinder supports 24.
  • These two carriages 22, in front and back in FIG. 1, are held rigidly together at their end on the side downstream by a rod 26 maintaining a rigorous correspondence between the cylinder supports 24 opposite.
  • the rear rail 21 is provided with a rack 27 whose notches can be engaged by a cleat belonging to a blocking device 29 actuated by the handle 28.
  • FIG 2 is illustrated a workshop trolley 16 intended to transport one or more anilox cylinders 15 from one printing machine to another. More in particular, the upper face of this carriage is furnished with a conveyor 20 identical to that described above rolling on two rails 121.
  • the longitudinal faces of the carriage 16 have two orifices 14 which, in relation to the pins 13 fixed on the cross 12 of the frame 10 of the machine illustrated in Figure 1, allow to position the carriage 16 along the upstream face of the frame 10 so that the rails 121 of the carriage are found in the extension of the rails 21 of the machine. Then, the conveyor 20 of the machine can be rolled on the carriage 16 or vice versa.
  • safety devices stopping the trolleys of the transporter 20 at the outlet of the frame 10 if a workshop trolley 16 is not in place, that is to say if the means of positioning 13 and 14 are not engaged in each other.
  • the machine operates as follows.
  • the anilox cylinder 15 being initially held between the two discs 40 and 41, the operator orders the withdrawal of the actuator 38, which has the effect of raising the table 30 until the supports 37 bear against the part bottom of the cylinder 15.
  • the device 44 is then engaged, which removes the disc 40 from the crown 17 at the end of the cylinder 15.
  • the cylinder 15 does not disengage from the disc 41 and it is necessary to control the advance of the pusher 45 in order to slightly move this cylinder in longitudinal translation until the conical periphery 43 comes out of the crown 17.
  • the operator can now order the extension of the actuator 38, which causes the table 30 to descend until it passes through the middle of the conveyor 20.
  • the ends of the cylinder 15 are taken up by the supports 24 of the carriages 22 and 22 'while the table 30 continues its race in the fully retracted position, that is to say between the crosspieces 12.
  • the anilox cylinder 15, now resting on the conveyor 20, can be moved in translation orthogonal to its horizontal longitudinal axis along the rails 21.
  • the conveyor 20 comprises on its upper face at least two pairs of supports 24, the second pair of supports already carrying the desired second anilox cylinder 15.
  • the simple movement of the conveyor 20 makes it possible to bring the second desired cylinder above the table 30, which is always in the retracted position, and the conveyor is locked in position by means of the cleat device 29. It suffices then to order a new lifting of the table 30 so that the latter takes the new cylinder 15 into position with respect to the holding and driving discs 40 and 41 which are then tightened to grip this cylinder.
  • an empty workshop trolley 16 has been previously placed and wedged along the upstream face of the frame 10.
  • the conveyor 20 carrying the cylinder 15 of the rails 21 of the frame 10 is then made to roll to the rails 121 of the trolley 16 allowing this cylinder to be taken out of the machine for subsequent operation.
  • FIG. 3 is illustrated a printing machine from which it is only desired to remove the anilox cylinder 15 for cleaning or repair.
  • the conveyor 20 is each time assembled and then disassembled, which is carried out more in height close to the cylinder 15, thus making it possible to overcome the automatic table 30 described above.
  • two longer rails 21, 21 ' are installed opposite and parallel to each side face of the frame 10.
  • Each rail 21 rests on the one hand on a conventional workshop carriage 116 and on the other hand on a support 49 allowing the height to be adjusted over a certain distance.
  • the support 49 comprises a threaded rod 47 taken in a socket 48 which can be turned by hand to raise or lower the rod.
  • a conveyor 20 rolling between the rails 21 is first moved so as to position a pair of supports 24 under the anilox cylinder 15. Then, by mounting the threaded rods 47 acting directly under the rails 21, the whole of the conveyor 20 until the supports 24 come to take the cylinder 15 which can then be released from its holding and driving means 40 and 41.
  • the conveyor 20 is slowly rolled along the rails 21 until the cylinder is brought above the supports 37 of the workshop trolley 116.
  • These supports 37 are also installed, movable in rotation, on threaded rods passing through threaded rings which can be turned by means of a handle. In turning the rings, the supports 37 are mounted so that they grip the cylinder 15 and raise it enough to disengage it from the supports 24 of the conveyor then allowing the latter to be withdrawn.
  • the supports 49 of the conveyor are fixed, or are replaced by a stack of boxes, and it is the supports 24 on the carriages 22 which are mounted, movable in rotation, on vertical threaded rods 25 engaged in threaded orifices 23 on the upper face of the carriages 22.
  • the gripping of the cylinder 15 is then no longer by mounting the conveyor 20 in a block, but by mounting each support 24 relative to the conveyor.
  • FIG 4 is illustrated a conveyor 50 composed of two columns 55 fixed on either side of the frame at their base on the crosspieces 12 by bolts 59.
  • Each column supports at its near upper end and under the cylinder 15 a horizontal bar 56 lined on its upper face with a rubber coating 58 and terminated at each end by a stop plate 54.
  • One of the ends of each of these horizontal bars emerges from the downstream face of the frame 10.
  • the two horizontal bars are , preferably, held in relation to one another by a median crossbar 52.
  • An empty workshop trolley 116 comprises on its upper face cylinder supports 37 mounted on threaded shafts engaged in threaded rings which can be rotated by means of a handle to raise or lower these supports at will.
  • This carriage is brought beforehand under the ends of the horizontal bars 56 emerging from the frame.
  • the actuator device 42 for lowering the holding discs 40 and 41 until the cylinder 15 comes to rest on the horizontal bars 56 and the device 44 for removing the disc 40 is actuated to release the cylinder.
  • the cylinder 15 can then be rolled slowly along the bars 56 until it comes into abutment against the plates 54. It then suffices to raise the supports 37 to come and take the cylinder with the carriage which can be released.
  • the installation of a new cylinder is done in reverse. If desired, the carrier 50 can be removed when not in use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Handcart (AREA)
EP92105264A 1991-04-09 1992-03-27 Rotationsdruckmaschine mit lösbarem Zylinder Expired - Lifetime EP0511496B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1047/91 1991-04-09
CH104791A CH686355A5 (fr) 1991-04-09 1991-04-09 Machine d'impression rotative comprenant un cylindre amovible.

Publications (2)

Publication Number Publication Date
EP0511496A1 true EP0511496A1 (de) 1992-11-04
EP0511496B1 EP0511496B1 (de) 1997-01-22

Family

ID=4201221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92105264A Expired - Lifetime EP0511496B1 (de) 1991-04-09 1992-03-27 Rotationsdruckmaschine mit lösbarem Zylinder

Country Status (10)

Country Link
US (1) US5275105A (de)
EP (1) EP0511496B1 (de)
JP (1) JPH05154998A (de)
KR (1) KR920019535A (de)
AT (1) ATE148034T1 (de)
CA (1) CA2065607C (de)
CH (1) CH686355A5 (de)
DE (1) DE69216900T2 (de)
DK (1) DK0511496T3 (de)
ES (1) ES2097232T3 (de)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
AT407508B (de) * 1994-04-20 2001-04-25 Windmoeller & Hoelscher Druckmaschine
WO2011151487A1 (es) * 2010-06-01 2011-12-08 Comexi Group Industries, S.A.U Dispositivo de instalación y extracción de un rodillo introductor para una máquina flexográfica

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US5715749A (en) * 1996-05-30 1998-02-10 Stevens International Apparatus for facilitating printing cassette replacement
US6113346A (en) 1996-07-31 2000-09-05 Agfa Corporation Method for loading and unloading a supply of plates in an automated plate handler
EP0854037B1 (de) * 1997-01-21 2002-10-23 Baldwin-Japan Ltd. Vorrichtung zum Verhindern des Aufwickels in Bahndruckmaschinen
JP4180693B2 (ja) * 1997-11-21 2008-11-12 東北リコー株式会社 多色印刷方法及び多色印刷システム
IT1299666B1 (it) * 1998-05-05 2000-03-24 Uteco Spa Roto Flexo & Convert Macchina rotativa flessografica a tamburo centrale a piu' colori
US6322204B1 (en) * 1998-12-14 2001-11-27 Scitex Digital Printing, Inc. Retaining and installing a printhead in a printhead docking station
DE10314297B4 (de) * 2003-03-25 2007-07-12 LTG Mailänder GmbH & Co. KG Verfahren und Vorrichtung zum Wechseln mindestens eines Zylinders an einer Druck- oder Lackiermaschine
ES2242520B1 (es) * 2004-01-14 2007-02-16 Comexi, S.A. Dispositivo automatico de manipulacion y transporte de camisas de impresion.
DE102004037253B4 (de) * 2004-07-31 2013-09-05 Windmöller & Hölscher Kg Sleevewechselsystem
KR100807676B1 (ko) * 2006-10-16 2008-02-28 주식회사 에스에프에이 인쇄장치
DE102009028203A1 (de) 2009-08-04 2011-02-17 Kba-Metronic Aktiengesellschaft Transportwagen für auswechselbare Zylinder und ein Verfahen zum Befördern zumindest eines Zylinders
DE102010029018B4 (de) * 2010-05-17 2014-10-23 Flint Group Germany Gmbh Vorrichtung und Verfahren zum Herstellen von Flexodrucksleeves
US8985016B2 (en) * 2010-11-25 2015-03-24 Esko-Graphics Imaging, Gmbh Printing plate sleeve loading and unloading apparatus and method
US9186799B2 (en) 2011-07-13 2015-11-17 Brooks Automation, Inc. Compact direct drive spindle
DE102011083151B4 (de) 2011-09-21 2017-08-17 Koenig & Bauer Ag Rotationsdruckmaschine und ein Verfahren zum Austausch zumindest eines ersten Zylinders einer Rotationsdruckmaschine
CN103802451A (zh) * 2014-01-24 2014-05-21 刘旭 一种凹版印刷机调节滚筒角度的调节机构
DK3137300T3 (en) * 2014-04-29 2018-01-15 Bobst Firenze S R L METHOD AND APPARATUS FOR REPLACING THE PRESSURE ROLLER OF A PRESSURE UNIT OF A PRINTING MACHINE
ES2928976T3 (es) * 2014-12-04 2022-11-23 Bobst Mex Sa Cabezal portaherramientas, carro de transporte y procedimientos de montaje y de desmontaje de herramienta para grupo de transformación de un soporte plano
CN104760407B (zh) * 2015-03-26 2017-06-06 江门市智睿包装机械有限公司 一种超低压力多角度印刷刮刀机构
DE102016213438A1 (de) * 2016-07-22 2018-01-25 Gallus Druckmaschinen Gmbh Bahndruckmaschine mit Bearbeitungsmodulen und Trägermodulen
JP7044316B2 (ja) * 2017-10-18 2022-03-30 富士機械工業株式会社 グラビア印刷機
FR3092789B1 (fr) * 2019-02-20 2021-02-19 Bobst Lyon Chariot de manipulation pour cylindre de groupe imprimeur dans une machine d’impression

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Publication number Priority date Publication date Assignee Title
DE697501C (de) * 1937-10-30 1940-10-16 Goebel A G Vorrichtung zum Einlegen und zum Ausfahren des Formzylinders bei Rotationsdruckmaschinen, insbesondere Rotationstiefdruckmaschinen
US3789757A (en) * 1971-03-26 1974-02-05 Motter J Printing Press Co Printing press having automatic printing cylinder loading and unloading apparatus
FR2186889A7 (de) * 1972-05-19 1974-01-11 Rotomec Spa

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407508B (de) * 1994-04-20 2001-04-25 Windmoeller & Hoelscher Druckmaschine
WO2011151487A1 (es) * 2010-06-01 2011-12-08 Comexi Group Industries, S.A.U Dispositivo de instalación y extracción de un rodillo introductor para una máquina flexográfica

Also Published As

Publication number Publication date
KR920019535A (ko) 1992-11-19
EP0511496B1 (de) 1997-01-22
JPH05154998A (ja) 1993-06-22
CA2065607C (en) 1998-12-08
US5275105A (en) 1994-01-04
CA2065607A1 (en) 1992-10-10
DE69216900T2 (de) 1997-08-14
DE69216900D1 (de) 1997-03-06
ES2097232T3 (es) 1997-04-01
ATE148034T1 (de) 1997-02-15
DK0511496T3 (da) 1997-07-21
CH686355A5 (fr) 1996-03-15

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