EP0788880A1 - Machine d'impression avec au moins un cylindre imprimeur interchangeable - Google Patents

Machine d'impression avec au moins un cylindre imprimeur interchangeable Download PDF

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Publication number
EP0788880A1
EP0788880A1 EP97101403A EP97101403A EP0788880A1 EP 0788880 A1 EP0788880 A1 EP 0788880A1 EP 97101403 A EP97101403 A EP 97101403A EP 97101403 A EP97101403 A EP 97101403A EP 0788880 A1 EP0788880 A1 EP 0788880A1
Authority
EP
European Patent Office
Prior art keywords
printing
cylinder
forme
printing machine
forme 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.)
Granted
Application number
EP97101403A
Other languages
German (de)
English (en)
Other versions
EP0788880B1 (fr
Inventor
Josef Dr. Schneider
Josef Göttling
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0788880A1 publication Critical patent/EP0788880A1/fr
Application granted granted Critical
Publication of EP0788880B1 publication Critical patent/EP0788880B1/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
    • 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
    • B41F13/10—Forme 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
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • 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
    • B41P2217/13—Machines with double or multiple printing units for "flying" printing plates exchange
    • 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
    • B41P2227/70—Forming the printing surface directly on the form cylinder

Definitions

  • a printing press is known from US Pat. No. 5,186,103 which is used in particular for printing on a paper web made of heavy or hard cardboard material and which has interchangeable cylinders. Since the images to be printed have different widths and lengths in accordance with the different packaging materials to be printed, it is necessary to use and replace forme cylinders with different diameters. Either only the forme cylinder (for direct printing) or the forme cylinder together with the transfer cylinder (for offset printing) is arranged in an exchangeable cassette, which can be removed from the respective printing unit tower of the printing press.
  • a winch which is movably arranged on a rail, serves to remove it. It first pulls the cassette up and then transports it away to be exchanged for another cassette with a forme cylinder or a forme cylinder in connection with a transfer cylinder which has a different diameter.
  • the printed forme cylinder can be replaced with the exchanged forme cylinder during printing.
  • the forme cylinder carries a conventional printing form, which is exchanged manually for a new printing form, for which time is then available as long as the exchanged form cylinder is used for printing.
  • the printing form can also be changed by a robot.
  • a forme cylinder that is covered with a renewable printing form is particularly suitable.
  • the printed printing form can be deleted by an erasing device and then re-imaged. This is done, for example, by an ink printing process or by a thermal transfer process using a film covered the forme cylinder. This gives enough time to renew the surface of the forme cylinder.
  • the fact that the forme cylinder is unloaded from the printing press and is not imaged again in the printing press does not result in any space problems for the imaging unit.
  • the invention defines defined interfaces between the printing press, i. H. the storage of the forme cylinder in the side walls of the printing press, and the forme cylinder itself.
  • bearing sleeves for the forme cylinder, forme cylinder tensioner and spur gears between the cylinder bearing and the forme cylinder are provided, for example, in the side walls in the direction of the longitudinal axis of the forme cylinder.
  • the storage magazine which is used to replace the forme cylinders, preferably has a drum store in which one or more forme cylinders are stored for replacement.
  • the gripping, rotating and lifting elements with which the forme cylinder is removed from the printing press and exchanged for another forme cylinder are preferably designed in the manner of such devices as are used in machine tools, e.g. B. CNC machine tools are used.
  • a sheet printing machine 1 (Fig. 1) comprises a sheet storage 2 with the sheets to be printed, a sheet feeder 3, which applies the sheets to a printing cylinder 4, on the circumferential surface of which they are printed by a form cylinder 5 via a transfer cylinder 6 in the offset printing process.
  • the printed sheets are transferred from the printing cylinder 4 to a take-up drum 7 transported on. It transfers this to a printing cylinder, not shown here, of a further printing unit of the sheet-fed printing press 1.
  • the sheet-fed printing press 1 is equipped with an exchange unit for changing the forme cylinder 5, which in turn comprises a gripper 8, a lifting device 9 and a double gripper 10 which is mounted in its own frame 11.
  • the double gripper 10 already carries a forme cylinder 5 'which is to be exchanged for the forme cylinder 5 when its printing form is printed or when another print job is to be carried out. It acts as a cylinder changing device.
  • the gripper 8 is, for example, fastened pivotably in the directions of a double arrow A in the side walls 11 of the sheet-fed printing press 1.
  • the gripper 8 has two gripper arms 80, each of which is equipped at its ends with a leg 82 and a clamping device 81, which in a receiving means, for. B. a receiving groove 51 (FIG. 10) in a pin 520, the forme cylinder 5 fit into each side of the end faces of the forme cylinder 5.
  • the inking unit rollers 130, 131, 132 of an inking unit 13 of the sheet-fed printing press 1, which are in the swivel range of the forme cylinder 5, are first pivoted away from the forme cylinder 5 with movement means (not shown) (arrow B). Then the leg 82 and the clamping device 81 on the gripping arms 80 of the gripper 8 engage in the respective lateral receiving groove 51 of the forme cylinder 5.
  • the clamping device 81 presses the pin 520 of the forme cylinder 5 against the leg 82, and the gripper 8 moves in the direction the lifting device 9, which supports the forme cylinder 5 in receiving grooves 52 (FIG. 7), also provided for this purpose, in its pin 520 with its two lateral legs.
  • the lifting device 9 has a threaded spindle 91 on the side wall 12 of the sheet-fed printing press 1 or is movable in the direction of a double arrow C via a toothed rack or via a chain drive.
  • the gripper 8 After the gripper 8 has transferred the forme cylinder 5 to the lifting device 9, it carries the forme cylinder 5 upwards in order to transfer it to the double gripper 10 (FIG. 2). This is already pivoted towards the lifting device 9 for receiving the forme cylinder 5.
  • the double gripper 10 receives the forme cylinder 5 with its two legs in turn in receiving grooves 51 of the forme cylinder 5 on a lever arm 100.
  • the double gripper 10 has in each of its two lever arms 100, 101 a retractable and retractable holding means 102 for clamping the forme cylinder 5 or forme cylinder 5 ', which is to be exchanged for the forme cylinder 5.
  • the double gripper 10 (FIG. 4) then rotates through 180 ° in order to bring the forme cylinder 5 ′ into the receiving position for the lifting device 9.
  • the lifting device 9 is moved up again until it reaches the position in which it takes over the forme cylinder 5 'as soon as the holding means 102 of the double gripper 10 holding it is released.
  • the lifting device 9 is not necessary if the gripper 8 is provided with extendable telescopic arms with which it transfers the forme cylinder 5 directly to the double gripper 10.
  • the forme cylinder 5 While the forme cylinder 5 '(FIG. 5) is now brought into its printing position by the lifting device 9 with the gripper 8 in the same way as the forme cylinder 5 was previously removed from its position in the sheet-fed printing machine 1 If the inking unit rollers 130, 131 and 132 are also pivoted back downwards (double arrow B), the forme cylinder 5, which is located within the frame 11 of the double gripper 10, is now prepared for a new printing process.
  • An imaging unit 14, such as is shown in FIG. 5, is used for this purpose.
  • the imaging unit 14 is arranged in a frame 140, which is integrated with the side walls 13 of the printing unit of the sheet-fed printing machine 1 and also comprises the frame 11 of the double gripper 10.
  • the imaging unit 14 comprises an erasing device 141.
  • the erasing device 141 is, for example, a plasma torch which is integrated in the axis of rotation of the double gripper 10.
  • the forme cylinder 5 is rotatably mounted in the lever arm 100 of the double gripper 10, which carries it, by a motor, which is not shown here.
  • the imaging unit 14 further comprises an imaging device 142 to rewrite the printing form on the outer surface of the forme cylinder 5, e.g. B. by inkjet or by laser ablation.
  • the imaging device 142 is movably arranged in the directions of a double arrow E on a holder 143 so that it can be pushed to the side during the pivoting movements of the double gripper 10, for. B. means of an engine.
  • a fixing device 144 e.g. B. an IR emitter, for fixing the image generated by the imaging device 142, which is also movable out of the pivoting range of the double gripper 10.
  • another imaging unit (FIG. 6) can also be provided, which is likewise arranged in a frame 150 and has an erasing device 151, for. B. includes a plasma torch.
  • the imaging unit 15 has an embossing roller 152 with an integrated heater which, in accordance with an image to be produced on the printing form, imprints material from a film 153 onto the forme cylinder 5, the latter being in a position 5a.
  • the Embossing foil 153 is unwound from a cassette 154 in the manner of a film, and the used embossing foil 153 is wound up again in a cassette 155. This imaging process takes place while the sheets are being printed with the image applied to the forme cylinder 5 '.
  • the printed image on the printing form is fixed by a fixing device 156.
  • the gripper 8 is preferably also displaceable in the direction of a double arrow C '(FIGS. 1 to 6).
  • FIG. 7 shows a web printing machine 16 for printing on a printing material web 17 in the offset printing process by means of a forme cylinder 18, a transfer cylinder 19 and a printing cylinder 20.
  • the web printing machine 16 further comprises an inking unit 21 and a dampening unit 22.
  • inking rollers 210, 211 and a dampening roller 220 lying on the surface of the forme cylinder 18 have been pivoted away from the surface of the forme cylinder 18 and when the forme cylinder 18 is moved within the Printing machine 16 is slightly turned off in the direction of an arrow G by the transfer cylinder 19, it can be removed from the web printing machine 16 by means of a cylinder changing device in the form of a gripping and rotating arrangement 24, for example, movably arranged on a rail frame 23, when the gripping and rotating arrangement 24 is removed to the left (double arrow F) towards the web printing press 16.
  • the gripping and rotating arrangement 24 is designed as a double gripper and is constructed, for example, similarly to the double gripper 10 (FIGS. 1 to 6).
  • the gripping and rotating arrangement 24 transports the forme cylinder 18 to the right (double arrow F) to the imaging unit 24, which comprises an erasing device 250, an imaging device 251 and a fixing device 252.
  • the print image on the printing form on the outer surface of the forme cylinder 18 is first deleted in the erasing device 250 and then provided with a new picture in the imaging device 251.
  • the imaging unit 14 or the imaging unit 15 is mounted in a vibration-free manner. If it is installed above the pressure tower, suitable damping devices must be provided to absorb the vibrations of the cylinders. If such a measure is not sufficient, the imaging unit is attached next to or under the printing unit tower.
  • the sheet-fed printing machine 26 which has a single printing unit 27 for two-color printing. Accordingly, the sheet-fed printing machine 26 contains two forme cylinders 28, 29, each of which, via a transfer cylinder 30 or 31, applies an image to a sheet which is held on the surface of a printing cylinder 32 and is transported away from it by a conveyor 320.
  • the inking unit and dampening unit are not shown in detail in FIG. 8.
  • a gripping and rotating arrangement is provided which comprises grippers 34 and 35 and a drum store 36. This forms a cylinder changing device.
  • the grippers 34, 35 grip the forme cylinders 28, 29 with holding and clamping devices (not shown here), pull the forme cylinders 28, 29 in the direction of arrows G and J out of the printing unit tower 27 and pivot the forme cylinders 28, 29 in the direction of arrows I and H towards empty drums 360, 361 of the drum store 36 in order to place them in them.
  • the drum storage 36 carries two further drums 362, 363 new forme cylinders 28 ', 29' which are to be exchanged for the old forme cylinders 28, 29.
  • the drum store 36 rotates through 180 °. In this position, the new forme cylinders 28 ', 29' are taken over by the grippers 34 and 35 in the same way and brought into the correct positions within the printing unit tower 27.
  • a gripping and rotating arrangement with grippers 41, 42 and 43, 44 is provided on both sides of the printing unit tower.
  • the grippers 41 to 44 are fastened, for example, on the axis of rotation of the central printing cylinder 45 of the satellite printing unit 39.
  • Drum stores 46, 47 are arranged on both sides of the satellite printing unit 39, each of which has two empty and two drums filled with new forme cylinders 60 'and 62' or 61 'and 63' to be exchanged for printed forme cylinders and form a cylinder changing device .
  • Imaging units 48, 49 which are each equipped with an erasing, an imaging and a fixing device, generate new images to be printed on the circumferential surfaces of the forme cylinders 60, 62 and 61, 63, respectively.
  • drum store 36 instead of the drum store 36; 46, 47 chain stores can also be used.
  • the cylinder or roller If the cylinder or roller was only dirty, it can be cleaned by a cleaning device 365; 465, 475 (Fig. 8, 9) which in addition to the chain or drum storage 36; 46, 47 is arranged to be cleaned.
  • the respective cleaning device 365; 465, 475 to the chain or drum storage 36; 46, 47 can be switched on and off.
  • the respective cylinder / roller rotates about its longitudinal axis, for which purpose a corresponding motor in the chain or drum store 36; 46, 47 is present.
  • the forme cylinders 5 ', 18, 18', 28, 28 ', 29, 29' and 60 to 63 and 60 'to 63' are mounted in a similar or the same way as the forme cylinder 5 (Fig. 10), which is in a journal 505 is mounted via a bearing 50 in the side wall 13 (cf. FIG. 1).
  • the bearing 50 has a bearing bush 500 with hydraulic clamping, in which a bearing sleeve 501 is arranged to be movable within a region d parallel to the longitudinal axis of the forme cylinder 5.
  • the bearing journal 505 for the forme cylinder 5 is movably arranged in the bearing sleeve 501 via an axial bearing 503 and a radial bearing 504.
  • the bearing journal 505 is also equipped with a forme cylinder tensioner 506, which has clamping jaws 507. These enclose a corresponding clamping pin 508 of the forme cylinder 5 and are loaded and unloaded pneumatically, for example.
  • the forme cylinder 5 and the bearing journal 505 have a toothing 509, for example a Hirth toothing, with one another, by means of which the forme cylinder 5 is held and centered on the shaft.
  • toothing 509 instead of the toothing 509 shown here, other types of toothing are possible, in particular those whose teeth are inclined at their feet, so that the forme cylinder 5 is self-centering when inserted into the printing press.
  • Mechanical, optical or electronic positioning means can be used to precisely determine the position of the forme cylinder 5 when it is removed or reinserted.
  • exchange units with their grippers 8; 24; 34, 35; 41 to 44 and the cylinder changing devices 10; 24; 36; 46, 47 each be arranged between two printing units and perform the exchange of any cylinders and rollers in them.
  • the exchange units with the grippers 8; 24; 34, 35; 41 to 44 and the cylinder changing devices 10; 24; 36; 46, 47 preferably rotatably mounted about their vertical axes.
  • FIG. 11 shows a sheet printing machine 400 with five printing unit towers 401, 402, 403, 404 and 405, each of which is equipped like the printing unit tower of the sheet printing machine 1, shown in FIGS. 1 to 6.
  • the sheet-fed printing press 400 like the sheet-fed printing press 1, likewise has the sheet store 2, the sheet feeder 3 and a conveyor device 406 for depositing the printed sheets on a stack 407.
  • each of the printing units 401 to 405 is assigned a gripper 408 to 412 which, for example, is designed like the gripper 8 in FIGS. 1 to 6 and preferably has gripping arms which can be extended telescopically.
  • each forme cylinder can take.
  • the trolley 414 then transports the forme cylinder either to an exchange device (not shown), which, for example, as already shown in FIGS. 8 and 9, has a drum store in which the forme cylinder is exchanged, or to a cleaning device 416 in which the forme cylinder is cleaned becomes.
  • the trolley 414 transports it to an erasing device 417. There the image which the printing form has on its outer surface is erased. The printing form is then reimaged in an imaging device 418. This printed image is then fixed in a fixing device 419.
  • the cylinder is rotatably arranged on the telescopic arm 415 by means of a motor, so that it is rotated about its longitudinal axis during the deletion, imaging or fixing or cleaning.
  • the hanging trolley 414 there can also be a device located to the side of the printing units, which is movably arranged either on a rail system or inductively or controlled by optical or electrical waves next to the printing units 401 to 405. This device then interacts with the grippers 408 to 412 in order to remove the form cylinders from the printing unit towers 401 to 405, to exchange them for others, to clean them or to re-image them.
  • printing presses 1, 16, 26, 38 are created which have forme cylinders 5, 18, 28, 29, 60 to 63, which, together with their printing forms, counter to forme cylinders 5 ', 18', 28 ', 29' of the same structure.
  • 60 'to 63' are interchangeable.
  • the forme cylinders (5, 5 '; 18, 18'; 28, 28 '; 29, 29'; 60 to 63, 60 'to 63') have predefined interfaces for side and circumferential register storage within the printing presses 1, 16, 26, 38.
  • the exchange unit has grippers 8, 10; 24; 34, 35; 41 to 44 to exchange the printed forme cylinder 5, 18, 28, 29, 60 to 63 with the corresponding forme cylinder 5 ', 18', 28 ', 29', 60 'to 63'.
  • This is in each case from a storage magazine, for. B. drum stores, 36; 46, 47 or a chain store.
  • a web or sheet-fed printing press 1, 16, 26, 38, 400 has a plurality of printing units, between which an exchange unit moves back and forth in the manner of a robot in order to remove form cylinders from their bearings 50 and against corresponding form cylinders exchange who the Replacement unit of a fixed cylinder device, e.g. B. a chain or drum storage.
  • the exchange unit can also transport the forme cylinders to a stationary cleaning device or to an imaging unit.
EP97101403A 1993-08-20 1994-07-27 Machine d'impression avec au moins un cylindre imprimeur interchangeable Expired - Lifetime EP0788880B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4328058 1993-08-20
DE4328058A DE4328058A1 (de) 1993-08-20 1993-08-20 Druckmaschine mit mindestens einem auswechselbaren Zylinder, insbesondere einem auswechselbaren Formzylinder, oder mit einer auswechselbaren Druckform
EP94111677A EP0639452B1 (fr) 1993-08-20 1994-07-27 Machine d'impression avec au moins un cylindre interchangeable, en particulier un cylindre imprimeur interchangeable, ou avec une plaque d'impression interchangeable

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP94111677.4 Division 1994-07-27

Publications (2)

Publication Number Publication Date
EP0788880A1 true EP0788880A1 (fr) 1997-08-13
EP0788880B1 EP0788880B1 (fr) 2000-11-15

Family

ID=6495652

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94111677A Expired - Lifetime EP0639452B1 (fr) 1993-08-20 1994-07-27 Machine d'impression avec au moins un cylindre interchangeable, en particulier un cylindre imprimeur interchangeable, ou avec une plaque d'impression interchangeable
EP97101403A Expired - Lifetime EP0788880B1 (fr) 1993-08-20 1994-07-27 Machine d'impression avec au moins un cylindre imprimeur interchangeable

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94111677A Expired - Lifetime EP0639452B1 (fr) 1993-08-20 1994-07-27 Machine d'impression avec au moins un cylindre interchangeable, en particulier un cylindre imprimeur interchangeable, ou avec une plaque d'impression interchangeable

Country Status (4)

Country Link
EP (2) EP0639452B1 (fr)
JP (1) JP2825444B2 (fr)
CA (1) CA2130063C (fr)
DE (4) DE4328058A1 (fr)

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DE29821652U1 (de) 1998-12-04 1999-02-04 Roland Man Druckmasch Wechseleinrichtung für Walzen und Zylinder in einer Druckmaschine
DE19961605A1 (de) * 1999-01-18 2000-07-20 Heidelberger Druckmasch Ag Druckmaschine mit mehreren Druckwerken zum Übereinanderdrucken mehrerer Druckfarben in einem Durchlauf
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DE102008025998B4 (de) 2008-05-29 2014-11-06 Windmöller & Hölscher Kg Vorrichtung und ein Verfahren zum Ankoppeln einer Farbübertragungswalze
DE102008025996A1 (de) * 2008-05-29 2009-12-24 Windmöller & Hölscher Kg Druckmaschine mit mehreren Farbwerken
DE102009028203A1 (de) * 2009-08-04 2011-02-17 Kba-Metronic Aktiengesellschaft Transportwagen für auswechselbare Zylinder und ein Verfahen zum Befördern zumindest eines Zylinders
CN103171250B (zh) * 2011-12-21 2017-01-11 韩文杰 抽屉式移动印刷座
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
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DE9421819U1 (de) 1996-09-12
EP0639452B1 (fr) 1997-09-03
CA2130063A1 (fr) 1995-02-21
DE59409588D1 (de) 2000-12-21
JPH0776063A (ja) 1995-03-20
DE59403944D1 (de) 1997-10-09
CA2130063C (fr) 2001-01-02
EP0639452A1 (fr) 1995-02-22
JP2825444B2 (ja) 1998-11-18
DE4328058A1 (de) 1995-02-23
EP0788880B1 (fr) 2000-11-15

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