EP0813962B1 - Dispositif de raclage pour remplir des cavités d'un cylindre - Google Patents

Dispositif de raclage pour remplir des cavités d'un cylindre Download PDF

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Publication number
EP0813962B1
EP0813962B1 EP97109525A EP97109525A EP0813962B1 EP 0813962 B1 EP0813962 B1 EP 0813962B1 EP 97109525 A EP97109525 A EP 97109525A EP 97109525 A EP97109525 A EP 97109525A EP 0813962 B1 EP0813962 B1 EP 0813962B1
Authority
EP
European Patent Office
Prior art keywords
doctor blade
cylinder
working
blade device
doctor
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
EP97109525A
Other languages
German (de)
English (en)
Other versions
EP0813962A2 (fr
EP0813962A3 (fr
Inventor
Godber Petersen
Hans Fleischmann
Rainer Stamme
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 EP0813962A2 publication Critical patent/EP0813962A2/fr
Publication of EP0813962A3 publication Critical patent/EP0813962A3/fr
Application granted granted Critical
Publication of EP0813962B1 publication Critical patent/EP0813962B1/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
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices

Definitions

  • the invention relates to a doctor device for filling depressions in a Cylinder of a printing press, for example an anilox roller, with a Liquid.
  • DE 39 11 shows a so-called rinsing inking unit for inking an anilox roller 839 A1.
  • an inking channel is arranged under the anilox roller.
  • the ink application channel is attached to the anilox roller.
  • a color change would mean a time-consuming exchange and cleaning effort.
  • the patent right EP-A-0 556 460 shows a inking device with chambered doctor blades, which are arranged revolver-like rotatable about an axis. Turning this Arrangement can be selected in each case a chambered doctor blade on a roller to be inked employable.
  • US-A-3 333 535 shows an intaglio printing cylinder used for coloring in dips a paint tray. With a squeegee on the side, excess is used Paint doctored.
  • DE-C-358 874 shows a doctor blade device for gravure cylinders, in which one Squeegee is placed only on the areas of the printing form to be printed scrape off excess paint.
  • the task is performed with a generic doctor device the features of the characterizing part of claim 1 solved.
  • a squeegee device By turning off a squeegee device and putting another squeegee on the cylinder is quicker Change to another filling liquid possible. This eliminates it interim cleaning work.
  • the doctor device empties when parking independently, with what No cleaning work. Furthermore takes over after the the Application device of the doctor device still working doctor left on the cylinder its cleaning up.
  • the squeegee device is well suited for imaging one Printing form of the printing press, for the so-called CT press principle (computer to press), e.g. B. after the gravure UV ink process described in the Patent application DE 196 24 441.2, corresponds to EP-A-0 813 957, issued on Dec. 29, 1997.
  • the doctor device shown in FIG. 1 is on the side wall with the aid of the carrier 3 4 attached to a printing press.
  • the doctor device contains one Application device 129 with a doctor blade 6 and a further doctor blade 5 and one Working squeegee 27.
  • Squeegees 6 and 5 are on the cylinder to be inked, here one Forme cylinder 8, positive, d. that is, they point in the direction of rotation 7 of the Forme cylinders 8.
  • the doctor blades 5, 6 are arranged on the side of the forme cylinder 8. she are fastened in a beam 9 which is guided in a carrier 12 by means of guides 10, 11 is stored.
  • the bar 9 is by means of a working cylinder 13 in the arrow directions 14 and 15 movable, i.e. H.
  • the carrier 12 in turn is fastened to a carrier 16, which with brackets 17, 18 on a Support tube 19 is supported.
  • This support tube 19 is on the one hand in the side wall 4 attached, on the other hand, it is supported by a holder 20 on the carrier 3 (Fig. 4).
  • the carrier 16 is on its front side by means of the holder 18 on a spindle 21 attached, which is mounted on guides 22, 23 in the support tube 19. This allows pull this spindle 21 telescopically out of the support tube 19 so that the holder 18 can be moved into the dot-dash position 18 '(Fig. 4).
  • the Holder 17 then also slides on the support tube 19 in the position 17 '.
  • the working squeegee 27 is below the squeegee 6 at a short distance from the latter negative on the forme cylinder 8, d. H. turned against its direction of rotation 7 (Fig. 5).
  • it is attached to a beam 28 which is guided in guides 29, 30 of working cylinders 33, 34 via levers 31, 32 in the arrow directions 35 and 36 can move.
  • These working cylinders 33, 34 are on the holder 12 via holders 37, 38 attached while the levers 31, 32 are rotatable via bolts 39, 40 and holders 41, 42 the holders 17, 18 are attached.
  • the doctor blade 6 forms with the outer surface of the cylinder 8 a first wedge-shaped Room 61.
  • the further squeegee 5 forms a second with the outer surface of the cylinder 8 wedge-shaped, upwardly open space 62.
  • Both rooms 61, 62 are in their Longitudinal direction of sealing disks 43, 44 resting on the end faces of the doctor blade 6 limited.
  • Both sealing discs 43, 44 are still one Line and dot support realizing, each on a bolt 48, 49 and are spring-loaded Bolts 46, 47 pressed against the end faces of the doctor blade 6 and the bolts 48, 49.
  • the Sealing disks 43, 44 are by means of working cylinders 50, 51 (FIG. 2) via drivers 52, 53 movable in directions 14 and 15. For easy removal of the Sealing discs 43, 44, the bolts 46, 47 can be levered against the 54, 55 Move spring forces in directions 56, 57.
  • the mode of operation of FIGS Doctor device will be explained.
  • the ink with which the wells of one Intaglio printing form, which the forme cylinder 8 is to be colored, is about a Tube 58 supplied with pressure and via the channel 59 and channels 60 in the first Space 61 pressed between the squeegees 5 and 6.
  • the ink can then pass through Bores 62, which are distributed in the doctor blade 5 over its length, in the arrive in second room 45 and fill it.
  • Overflow channels 63, 64 prevent this Overflow of paint over the sealing washers 43, 44 (Fig. 3).
  • the fill level of the Color can be determined by a sensor 65 and one explained below Ink feed control are reported.
  • the cups of the forme cylinder 8 are rotated when it is rotated in Direction 7 filled with color in a known manner in room 45.
  • the cylinder surface is by means of the doctor blade 27 doctored.
  • the working squeegee 27 is by a rail 66, which is fastened to support fingers 67 of the carrier 12.
  • the doctored Paint can pass between fingers 67 and through bores 68 of the wearer 28 flow into a sump 69.
  • a motor 70 driven screw conveyor 71 for the return transport of the paint over the Hose 72 in a paint supply system.
  • the doctor blades 5 and 6 on the bar 9 from Working cylinder 13 in direction 15 against the surface of the forme cylinder 8 pressed while the squeegee 27 of the working cylinders 33, 34 over the Lever 31, 32 and the beam 28 in the direction 35 against the cylinder surface is pressed.
  • the levers 31, 32 have balls 73, 127 at their ends, each Take it over the cylindrical bores 74, 128 in the beam 28.
  • the beam 28 is pivotable about the centers of the balls, so that it is d. H. the squeegee 6 can always optimally contact the cylinder surface. Disks 75, 76 on fixed to the beam 28 prevent the paint from flowing into the area of the Guides 29, 30.
  • Fig. 5 it is also shown that the sealing washers 43, 44 when pressed through the working cylinders 50, 51 via the drivers 52, 53 and the driver pins Support 77, 78 in direction 15 to the cylinder surface on surfaces 79 and 80.
  • doctor blade device which has been parked.
  • the doctor blades 5 and 6 are supplied with ink by means of the working cylinder 13 in the direction 14 taken from the cylinder surface and then take positions 5 'or 6' on.
  • the sealing disks 43, 44 are by means of the working cylinders 50, 51 of withdrawn from the surface of the forme cylinder 8 and take the positions 43 ', 44 'a.
  • the paint can now flow out of rooms 45 and 61. It is from the drip pan 69 collected.
  • the doctor blade 27 initially remains in the in 5 doctor blade position shown on the forme cylinder 8 until the color from the rooms 45th and 61 flowed off and the cylinder surface after a few revolutions of the Forme cylinder 8 is squeegee clean. Then the working squeegee 27 also goes in the direction 36 withdrawn into the position 27 'shown in FIG. 6. So that is a clean doctored cylinder surface for subsequent machining operations, such as Imaging or cleaning, available.
  • the doctor device can also be more or less below the forme cylinder 8 to be ordered.
  • the second space 45 that may be present must then be present be designed with a longitudinal wall. Precautions are also necessary with that spaces 45 and 61 run empty when the doctor device is switched off. For example, this can be done by opening the ink supply.
  • Fig. 7 shows the side view of a double printing unit with doctor devices.
  • a Web 82 to be printed is fed between rollers 83 and 84 employed transfer cylinders 85, 86 with which the print image of Forme cylinders 88, 89 taken and on both sides of the in direction 87 Web 82 is transmitted.
  • transfer cylinders 85, 86 with which the print image of Forme cylinders 88, 89 taken and on both sides of the in direction 87 Web 82 is transmitted.
  • transfer cylinders 85, 86 with which the print image of Forme cylinders 88, 89 taken and on both sides of the in direction 87 Web 82 is transmitted.
  • UV-CT press technology for the indirect Gravure shown, as described in the patent application DE 196 24 441.2.
  • Each Forme cylinders 88, 89 are assigned to two doctor devices 90, 91 and 92, 93, whose structure corresponds to the doctor device already described above.
  • doctor devices 91 and 93 the cups of the forme cylinders 88, 89 under The UV dryer 96, 97 is switched on by a few cylinder rotations Black color filled. Then the doctor devices 91, 93 are turned off and the forme cylinders 88, 89 are illustrated with the aid of the laser heads 98, 99. Should then are printed with black color, so those filled with black color Doctor devices 91, 93 again employed for the printing process. Should instead are printed with colored ink, so those filled with colored ink Squeegee devices 90, 92 employed. In this way there are also color changes when changing the web guides to produce different Printed products, e.g. B. short runs, are required, quickly realized.
  • the doctor devices described are e.g. B. can also be used if the Wells of a cylinder are filled with another liquid should, for example if a printing form on the forme cylinder does not have a UV curable paint, but an otherwise solidifiable filler shall be.
  • So z. B. on the forme cylinder 88 in addition to the doctor devices 90, 91 for printing a color or black color, not shown, additionally a doctor device for applying the special filler for the Mold making can be provided.
  • the squeegees are also for the conventional gravure, gravure with water-based inks, for coloring of anilox rollers per se, e.g. B. anilox roller, can be used.
  • the invention also includes equivalents of the exemplary embodiments.
  • FIG. 8 shows a regulated ink supply for the doctor devices 90 to 93 of the Double printing unit.
  • Squeegee devices 91 and 93 are for the black color
  • the doctor devices 90 and 92 are provided for the colored ink.
  • Via a computer 100 the processes are controlled.
  • the entire paint supply is gentle Color treatment built up, d. H. the color should be as little as possible, e.g. B. by constant pumping over, mechanically loaded.
  • the computer 100 corresponding valves 103, 104 opened and the paint pump 105 is switched on. This presses ink into the squeegee devices 91 and 93 via lines 106, 107.
  • the pump 105 turned off and the valves 103, 104 are closed.
  • the returning color is, as described, via screw conveyors 108, 109 and lines 110, 111 in returned the ink tank 112.
  • An agitator 113 can be used to mix the colors be switched on specifically.
  • the system for the chromatic color is structured accordingly. After notification by The sensors 114, 115 become 100 valves based on signals from the computer 116, 117 opened and the ink pump 118 is switched on. Via lines 119, 120, the ink is supplied to the doctor devices 90, 92. With appropriate Level, the ink pump 118 is first switched off, then the valves 117, 116 closed. The doctored paint is on screw 121, 122 and Lines 123, 124 returned to the paint container 125, where they are targeted with the Agitator 126 is mixed.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Claims (15)

  1. Dispositif de raclage pour le remplissage de creux d'un cylindre (8) d'une machine à imprimer, avec un liquide, comprenant un dispositif d'application (129) pour le liquide, relié à un système de transport, et une racle de travail (27) qui est disposée en aval du dispositif d'application, en se référant au sens de rotation du cylindre (8), et qui délimite un compartiment de raclage se raccordant au dispositif d'application (129), caractérisé en ce que le dispositif d'application (129) est une racle à chambre qui est disposée au-dessus de la racle de travail (27), en ce que la racle à chambre (129) peut être dégagée du cylindre (8) indépendamment de la racle de travail (27), et en ce que lorsque la racle à chambre (129) est dégagée du cylindre (8), le liquide peut s'écouler de celle-ci.
  2. Dispositif de raclage selon la revendication 1, caractérisé en ce que la racle à chambre (129) est disposée latéralement à la périphérie du cylindre (8) et comprend une racle (6) à incidence positive, qui délimite, avec une autre racle (5) montée en amont d'elle en se référant au sens de rotation du cylindre (8), un premier compartiment (61) dans lequel est mis à disposition le liquide à appliquer, et en ce que ladite autre racle (5) présente, répartis sur sa longueur, des perçages (62) conduisant à un second compartiment (45) délimité par ladite autre racle (5) et la surface périphérique du cylindre (8).
  3. Dispositif de raclage selon la revendication 2, caractérisé en ce que le premier compartiment (61) fonctionne avec le liquide légèrement en pression et le second compartiment (45) comporte des canaux de trop-plein (63, 64), par l'intermédiaire desquels le liquide peut s'écouler dans un bac de collecte (69).
  4. Dispositif de raclage selon la revendication 2 ou 3, caractérisé en ce que sur chacune des faces d'extrémité de la racle (6) s'applique une plaque d'étanchéité (43, 44), qui par ailleurs, en réalisant un appui par point et ligne, s'appuie sur un plot (48, 49) et est pressée par une force élastique de ressort, contre la face d'extrémité et le plot (48, 49).
  5. Dispositif de raclage selon la revendication 4, caractérisé en ce que les plaques d'étanchéité (43, 44) sont reliées chacune à un vérin (50, 51) et peuvent être rapprochées et éloignées du cylindre (8), au moyen des vérins (50, 51).
  6. Dispositif de raclage selon la revendication 5, caractérisé en ce que les plaques d'étanchéité (43, 44) sont guidées, avec un certain jeu, entre des surfaces (79, 80), lors du mouvement de rapprochement du cylindre (8), en autorisant un centrage sur la courbure de la surface de ce dernier.
  7. Dispositif de raclage selon la revendication 1 et 2, caractérisé en ce que les racles (5, 6) sont fixées à une poutrelle (9) et sont déplaçables avec celle-ci, au moyen d'un vérin (13), de façon à être rapprochées du cylindre (8) et à en être éloignées.
  8. Dispositif de raclage selon l'une des revendications 2 à 7, caractérisé en ce que la racle de travail (27) est appliquée sur le cylindre (8) avec une incidence négative, à faible distance de la racle (6), et évacue le liquide enlevé par raclage vers un bac de collecte (69).
  9. Dispositif de raclage selon l'une des revendications 1 à 8, caractérisé en ce que la racle de travail (27) peut être appliquée sur le cylindre (8) et être dégagée de celui-ci en étant actionnée par des vérins (33, 34).
  10. Dispositif de raclage selon l'une des revendications 1 à 9, caractérisé en ce que le dispositif de remplissage des creux peut être retiré de la zone périphérique du cylindre (8) dans la direction longitudinale de celui-ci.
  11. Dispositif de raclage selon la revendication 10 (figure 4), caractérisé en ce que le dispositif d'application (129) et la racle de travail (27) sont reçus, indirectement, des deux côtés, dans un premier et un second support (17, 18), en ce que le premier support (17) est disposé à coulissement sur un tube porteur (19), qui est monté dans la paroi latérale (4) et dans une console de support (3) vissée sur cette dernière, et en ce que le second support (18) est fixé à une broche (21) montée coulissante dans le tube porteur (19).
  12. Dispositif de raclage selon la revendication 11, caractérisé en ce que pour le changement du dispositif de remplissage des creux, la tige de piston d'un vérin (25), qui prend appui sur la console de support (3), est articulée, de manière démontable, sur le second support (18).
  13. Dispositif de raclage selon l'une des revendications précédentes, caractérisé en ce que sur le cylindre (88 respectivement 89), sont disposés au moins deux dispositifs de raclage (90, 91 respectivement 92, 93) pour le remplissage, qui peuvent être rapprochés individuellement du cylindre (88, 89), de façon choisie.
  14. Dispositif de raclage selon la revendication 13, caractérisé en ce que sur le cylindre (88 respectivement 89), sont prévus deux dispositifs de raclage (90, 91 respectivement 92, 93) pour le remplissage des creux avec de l'encre.
  15. Dispositif de raclage selon la revendication 13, caractérisé en ce que sur le cylindre (88 respectivement 89), il est prévu un dispositif de raclage (91 respectivement 93) pour le remplissage avec un liquide pouvant se solidifier, et au moins un dispositif de raclage (90 respectivement 92) pour le remplissage avec de l'encre.
EP97109525A 1996-06-19 1997-06-12 Dispositif de raclage pour remplir des cavités d'un cylindre Expired - Lifetime EP0813962B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19624440A DE19624440A1 (de) 1996-06-19 1996-06-19 Einrichtung zum Füllen von Vertiefungen eines Zylinders, Rakeleinrichtungen hierfür sowie Verfahren zu deren Wechsel
DE19624440 1996-06-19

Publications (3)

Publication Number Publication Date
EP0813962A2 EP0813962A2 (fr) 1997-12-29
EP0813962A3 EP0813962A3 (fr) 1998-09-09
EP0813962B1 true EP0813962B1 (fr) 2001-11-28

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Application Number Title Priority Date Filing Date
EP97109525A Expired - Lifetime EP0813962B1 (fr) 1996-06-19 1997-06-12 Dispositif de raclage pour remplir des cavités d'un cylindre

Country Status (5)

Country Link
US (1) US6095045A (fr)
EP (1) EP0813962B1 (fr)
JP (1) JP3037211B2 (fr)
CA (1) CA2207814C (fr)
DE (2) DE19624440A1 (fr)

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DE102016201140B4 (de) 2016-01-27 2018-05-03 Kba-Metalprint Gmbh Verfahren zum Betrieb einer ein Segmentrad aufweisenden Vorrichtung zum Bedrucken von Hohlkörpern
DE102016201137B4 (de) 2016-01-27 2018-12-27 Kba-Metalprint Gmbh Vorrichtung zum Bedrucken von Hohlkörpern
DE102017201921B4 (de) 2017-02-08 2022-02-17 Koenig & Bauer Ag Vorrichtung zum Bedrucken von Hohlkörpern
DE102017202381A1 (de) 2017-02-15 2018-08-16 Kba-Metalprint Gmbh Verfahren zum Bedrucken von Hohlkörpern
DE102017202382A1 (de) 2017-02-15 2018-08-16 Kba-Metalprint Gmbh Verfahren zum Betrieb einer Vorrichtung zum Bedrucken von Hohlkörpern
DE102017202384A1 (de) 2017-02-15 2018-08-16 Kba-Metalprint Gmbh Verfahren zum Bedrucken von Hohlkörpern
DE102017206392A1 (de) 2017-04-13 2018-10-18 Koenig & Bauer Ag Segmentrad einer Vorrichtung zum Bedrucken von Hohlkörpern
DE102018201033B3 (de) 2018-01-24 2018-10-31 Koenig & Bauer Ag Vorrichtung zum Bedrucken von Hohlkörpern
DE102018121540A1 (de) 2018-09-04 2020-03-05 Koenig & Bauer Ag Vorrichtung zum Bedrucken von Hohlkörpern
DE102018121542B4 (de) 2018-09-04 2022-03-17 Koenig & Bauer Ag Vorrichtung zum Bedrucken von Hohlkörpern
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DE102022114616A1 (de) 2022-06-10 2023-12-21 Koenig & Bauer Ag Farbwerk einer Vorrichtung zum Bedrucken von Hohlkörpern

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US5184556A (en) * 1992-02-18 1993-02-09 Paper Converting Machine Company Printing apparatus and method
DE4208295A1 (de) * 1992-03-16 1993-09-23 Roland Man Druckmasch Einfaerbevorrichtung fuer eine rasterwalze
US5239925A (en) * 1992-06-02 1993-08-31 Ronald L. Harper Ink distribution apparatus
DE4320833C1 (de) * 1993-06-23 1994-09-22 Roland Man Druckmasch Verfahren und Vorrichtung zum Austausch eines Rakelblattes einer Kammerrakel für Rotationsdruckmaschinen
DE4327278C5 (de) * 1993-08-13 2005-09-22 Maschinenfabrik Wifag Traggestell für eine Rollenrotationsdruckmaschine
JPH0789056A (ja) * 1993-09-24 1995-04-04 Sony Corp 印刷システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813958A1 (fr) * 1996-06-19 1997-12-29 MAN Roland Druckmaschinen AG Machine à imprimer rotative pour bandes
EP0813957A2 (fr) * 1996-06-19 1997-12-29 MAN Roland Druckmaschinen AG Procédé et appareil pour l'impression en creux utilisant une forme effaçable

Also Published As

Publication number Publication date
CA2207814A1 (fr) 1997-12-19
DE59705501D1 (de) 2002-01-10
US6095045A (en) 2000-08-01
DE19624440A1 (de) 1998-01-02
EP0813962A2 (fr) 1997-12-29
CA2207814C (fr) 2001-05-15
EP0813962A3 (fr) 1998-09-09
JPH1067094A (ja) 1998-03-10
JP3037211B2 (ja) 2000-04-24

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