EP1776232A1 - Dispositifs pour supporter un cylindre d'une unite d'impression, et unite d'impression - Google Patents

Dispositifs pour supporter un cylindre d'une unite d'impression, et unite d'impression

Info

Publication number
EP1776232A1
EP1776232A1 EP05716949A EP05716949A EP1776232A1 EP 1776232 A1 EP1776232 A1 EP 1776232A1 EP 05716949 A EP05716949 A EP 05716949A EP 05716949 A EP05716949 A EP 05716949A EP 1776232 A1 EP1776232 A1 EP 1776232A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
bearing
unit
printing unit
printing
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.)
Withdrawn
Application number
EP05716949A
Other languages
German (de)
English (en)
Inventor
Ralf Christel
Oliver Frank Hahn
Karl Erich Albert Schaschek
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1776232A1 publication Critical patent/EP1776232A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/30—Bearings mounted on sliding supports

Definitions

  • the invention relates to devices for supporting a cylinder of a printing unit and a printing unit according to the preamble of claim 1 or 3 or 12.
  • the surface pressure required for ink transfer is achieved by pressing in an elastic medium (rubber coating, blanket, sleeve, etc.). For this purpose, a defined distance of the printing cylinder surfaces (printing position) is set in the assembly. For various reasons, it is necessary to make the cylinders contactless.
  • an elastic medium rubber coating, blanket, sleeve, etc.
  • the invention has for its object to provide a compact storage unit of a printing cylinder and an easy-to-set printing unit.
  • the achievable with the present invention consist in particular that a compact linear bearing unit is created in which the adjustment is already integrated.
  • a design as possible and elimination of devices for the synchronization of the right and left bearing point or moving part (eg synchronous rod) creates more space for other components or new printing unit arrangements are made possible.
  • Fig. 1 is a plan view of a double printing
  • FIG. 2 shows a side view in section II-II through a bearing unit
  • FIG. 3 shows a schematic cross section through a storage unit
  • Fig. 4 is a side view of the side frame according to the section IV - IV;
  • FIG 5 is a side view in section V - V through a bearing unit in the version with worm drive.
  • FIG. 6 shows a second section VI-VI of the bearing unit according to FIG. 5.
  • a printing machine, z. B. web-fed rotary printing press, in particular a multi-color web-fed rotary printing press, has a printing unit in which a material web, short web one or both sides can be printed.
  • the printing unit has a printing unit 01 with at least one on / Ab bainen cylinder 02; 03, here a double printing unit 01 for the two-sided printing in rubber-against-rubber operation, on.
  • the double printing unit 01 - in the form of bridge or n-printing or even as a flat printing unit lying in a common plane axes of rotation - is here formed by two printing units, each one as a transfer cylinder 02 and a form of cylinder 03 formed cylinder 02; 03, z. B.
  • a cylinder units 04 executed modules z.
  • Storage unit 06 and cylinder 02; 03 get before the insertion into the printing unit their firmly defined position to each other and are collectively introduced into the printing unit.
  • the cylinder 02; 03 in storage units 06 on side frames 07; 08 rotatably store, which the escape of the side frames 07; 08 not penetrate and / or the cylinder 02; 03 with her bale including her Pin 09 a length L02; L03, which is less than or equal to a clear width L between the printing cylinder 06; 07 to both end faces supporting side frames 07; 08.
  • FIGS. 2 and 3 show a bearing unit 06 based on linear travel paths * in longitudinal and cross-section.
  • the storage / retrieval mechanism or at least the transmission 11 integrating bearing unit 06 has in addition to a radial bearing 12, for example, a cylindrical roller bearing 12, for rotatably supporting the cylinder 02; 03 bearing means 13, 14 for a radial movement of the cylinder 02; 03 - to print on or print off - on.
  • the bearing unit 06 (after mounting the cylinder unit 04 frame-fixed) carrier-resistant bearing elements 13 and the movable against these bearing elements 14.
  • the carrier-fixed and movable bearing elements 13; 14 are as cooperating linear elements 13; 14 and formed together with corresponding sliding surfaces or rolling elements between them as a total of linear bearings 13, 14.
  • the linear elements 13; 14 take z. B. in pairs a radial bearing 12 receiving Storage block 16, z. B. slide 16 between them.
  • Bearing block 16 and the movable bearing elements 14 may also be made in one piece.
  • the carrier-fixed bearing elements 13 are arranged on a support 17 (in Rg. 2 and three with a circular base), which in total with the respective side frame 07; 08 is connected or is.
  • the carrier 17 may be executed base plate or enclosure (circular, rectangular or other basic shape), which, for example, at least on a drive side a recess 18 (dashed lines indicated) for the passage of a drive shaft of a cylinder pin 09, not shown.
  • the frame wall 07; 08 on the drive side preferably has a recess 19, in particular as a slot, or an opening 19 for a drive shaft, not shown, with the pin 09 rotatably connected to.
  • a recess 18 nor a recess 19 On the opposite side of the drive side neither a recess 18 nor a recess 19 must be provided.
  • the formation of the linear bearings in such a way that the cooperating bearing elements 13; 14 both on the unit storage unit 06 - and not a part of the side frame 07; 08 of the printing unit - are provided, allows pre-assembly and pre-adjustment or adjustment of the bearing voltage.
  • the advantageous arrangement of the two bearing block 16 encompassing linear bearings 13, 14 allows a backlash-free setting, as opposed to the two Linearlageri3, 14 in such a way that the bearing preload and the bearing forces an essential component in a direction perpendicular to the axis of rotation of the cylinder 02; 03 learn or record.
  • the bearings are thus adjustable in the direction to which it is at play-free positions of the cylinder 02; 03 also arrives.
  • the frame-fixed bearing elements 13 are arranged substantially parallel to each other and define a direction of adjustment S.
  • the effective inner surface of the radial bearing 12 and the outer effective lateral surface of the pin 09 can be cylindrical instead of tapered, since both the assembly of the bearing unit 06 on the pin 09 and the setting of the bearing clearance can still be done outside the printing unit.
  • a cylindrical shaft seat provided between pin 09 and radial bearing 12.
  • the bearing unit 06 or the radial bearing 12 can be shrunk, for example, and the assembly of the preassembled cylinder unit 04 complete with storage in the side frame 07; 08 done.
  • the bearing preload is achieved here by the fit of shaft seat roller bearing inner ring, and does not need during assembly of the cylinder 02; 03 can be set in the printing unit (time saved in the assembly).
  • the bearing unit 06 in particular linear bearing unit 06, thus has the movable part as the linearly movable carriage 16 (Froundungsschlitte ⁇ ), which receives the radial bearing 12 and possibly a thrust bearing (eg., For side register adjustment of the cylinder 03), and a degree of freedom has perpendicular to the cylinder axis.
  • the fixed part (carrier 17 with bearing elements 13) of the bearing unit 06 is on the frame inner side of the side frame 07; 08 attached, z. B. screwed.
  • a - in particular backlash-free or biased - gear 11 is integrated, which transforms a introduced from outside the storage unit 06 on a member of the transmission 11 adjusting movement in a linear movement of the carriage 16.
  • a trained gear 11 is integrated, which is the rotational movement of an only schematically indicated adjusting 21 (adjusting means 21) via, for example, a shaft 22 in a linear movement of the carriage perpendicular to the shaft 22 and axis of the adjustment and / or perpendicular to the cylinder axis converts.
  • This gear 11 may include, for example, a driven by the shaft 22 rotating gear, which cooperates with a the movable part associated rack.
  • the adjusting drive 21 is preferably designed as a rotary drive (manually or preferably as an electric motor, in particular remote-controlled). This is advantageous on the rear side of the storage unit 06, in particular on the side facing away from the storage unit 06 side of the side frame 07; 08 (mounting surface to the frame) arranged, z. B. flanged.
  • the axis of rotation of the adjusting drive preferably runs substantially parallel, but offset from the cylinder axis.
  • a rotary actuator 21, z. B. a stepper motor 21, is provided.
  • a stepper motor 21 is provided for the two bearings of the respective cylinder.
  • an unillustrated matching gear, z. B. as an attached planetary gear in front of the actuator 21, is provided.
  • the rotational movement of the actuator 21 in the linear motion converting gear 11 has a (in particular self-locking) angle gear 23, 24, z. B. a worm gear from a non-rotatably connected to shaft 22 worm shaft 23 and a cooperating worm wheel 24.
  • the worm wheel 24 is non-rotatably connected to a stationary, but rotatably mounted in the bearing unit 06 threaded spindle 26, which in turn cooperates with an internal thread having a screw jack 27.
  • the Spindelhubelement 27 is connected to the concealed in Rg. 6 carriage 16 rigid or via a driver such that the "" carriage 16, preferably without play, the movement of the Spindelhubides 27 with respect to the direction of adjustment S follows.
  • the advantage here is the design as a self-locking worm gear, as a result, the axes of the shaft 22 and the linear travel of the orthogonal to each other.
  • the threaded spindle 26 and the screw jack 27 comprehensive conversion gear 26, 27 (rotational - linear) may preferably be biased and / or formed as a ball screw.
  • Both the angle gear 23, 24 and the transfer gear 26, 27 are completely integrated in the bearing unit 06.
  • the space should preferably smaller in cross-section or at most equal to the Cross-sectional area of the cylinder 02; 03 (or, if present, a bearer ring diameter):
  • At least one of the two dimensions of length L and / or B should be smaller or highest equal to the diameter D of the cylinder 02; 03 (or Schmitzringes, if available).
  • the adjustment direction S substantially with a connection plane of the axes of rotation of the cylinder to be set against each other 02; 03 coincides, at least the length L should be less than or equal to the diameter D.
  • the adjustment direction S is substantially perpendicular to the connection plane of the axes of rotation, at least the width B should be less than or equal to the diameter D.
  • the bearing unit 06 should be dimensioned such that the bearing unit 06 does not exceed the cross-sectional area of the cylinder 02 in its dimension. 03, d. H. that the maximum diagonal e (referred to here as a corner measure) is smaller or at most equal to the diameter D, d. H. e ⁇ D.
  • the length L and / or width B is preferably less than or equal to 300mm, preferably the maximum diagonal e is less than or equal to 300mm. In an even more advantageous, because more variable embodiment, the length L and / or width B is less than or equal to 200mm, or even less than or equal to 150mm. The latter is particularly advantageous in connection with cylinders 02; 03 of a circumference that corresponds to only one newspaper page (single circumference cylinder).
  • a force measurement is integrated in the context of storage or the drive by, for example, the current consumption of the motor 21 or a moment in the transmission, for. B. or the torsional moment of the spindle, etc., is determined and evaluated. This can be - for example, after appropriate calibration - important for the ink transfer and thus the printing result contact pressure of the cylinder 02; 03 reproducible adjust.
  • a printing unit with at least three cylinders 02 acting together as a printing unit 01; 03 (for example, with impression cylinder) are at least two of the three cylinders 02; 03 in such linear bearings 13, 14 are each movably mounted along a direction of adjustment S, which with one of the axes of rotation of the cylinder to be positioned and following in the adjusting direction 02; 03 formed connecting plane at most forms an angle of 15 °.
  • the movable cylinder 02; 03 is then in each case only in this cylinder 02; 03 associated bearing units 06 described above stored.
  • the linearly movable cylinders 02, 03 are preferably preassembled or preassembled, respectively, with respective end-side bearing units 06 as a cylinder unit 04.
  • these cylinders 02, 03 as a unit with bales and two end-side pin 09 z. B. an o. G. maximum length L02; L03 on.
  • a printing unit 01 designed as a double printing unit 01 preferably at least the two forme cylinders 03 and at least one of the two transfer cylinders 02 are mounted so as to be linearly movable.
  • the second transfer cylinder 02 can be operationally fixed to the frame, but in particular adjustable in its position, be stored. However, in one variant, all four cylinders 02; 03 be mounted so linearly movable.
  • a three-cylinder printing unit 01 for the single-sided printing are at least two, in particular at least the two ink-carrying, cylinder 02; 03, for example, form and transfer cylinder 02; 03, in a variant, however, all three cylinders mounted so linearly movable.

Landscapes

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

Abstract

L'invention concerne un dispositif pour supporter un cylindre (02, 03) d'une unité d'impression. Ce dispositif comprend un bloc de support (16) qui comporte un palier de rotation (12), et qui peut être déplacé dans des paliers linéaires le long d'un parcours de réglage (S). Selon l'invention, la structure de support se présente sous la forme d'une unité modulaire de support (06) qui peut être montée pour former une seule pièce et qui, en plus dudit palier de rotation (12), comprend les deux éléments de support (13, 14) qui coopèrent l'un avec l'autre et permettent le mouvement relatif du bloc de support (16).
EP05716949A 2004-08-05 2005-03-08 Dispositifs pour supporter un cylindre d'une unite d'impression, et unite d'impression Withdrawn EP1776232A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004038206A DE102004038206A1 (de) 2004-08-05 2004-08-05 Lagereinheit eines Druckwerkzylinders sowie Druckeinheit
PCT/EP2005/051021 WO2006015889A1 (fr) 2004-08-05 2005-03-08 Dispositifs pour supporter un cylindre d'une unite d'impression, et unite d'impression

Publications (1)

Publication Number Publication Date
EP1776232A1 true EP1776232A1 (fr) 2007-04-25

Family

ID=35456084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05716949A Withdrawn EP1776232A1 (fr) 2004-08-05 2005-03-08 Dispositifs pour supporter un cylindre d'une unite d'impression, et unite d'impression

Country Status (4)

Country Link
US (1) US7661360B2 (fr)
EP (1) EP1776232A1 (fr)
DE (1) DE102004038206A1 (fr)
WO (1) WO2006015889A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036050A1 (de) * 2006-08-02 2008-02-07 Man Roland Druckmaschinen Ag Vorrichtung zum Andrücken einer Walze
ES2303471B1 (es) * 2007-01-26 2009-04-16 Comexi, S.A. Maquina impresora flexografica con unidades de impresion de estabilidad mejorada.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE674128C (de) 1935-05-23 1939-04-05 Dresden Leipziger Schnellpress Lagerung eines Bildzylinders, insbesondere fuer Rotationstiefdruckmaschinen
US4615266A (en) * 1984-10-16 1986-10-07 Markem Corporation Printing apparatus employing deformable transfer pad
DE3610107A1 (de) * 1986-03-26 1987-10-08 Voith Gmbh J M Stellvorrichtung zum verstellen einer walze
DE4415711A1 (de) * 1994-05-04 1995-11-09 Roland Man Druckmasch Druckeinheit für Gummi-Gummi-Druck
DE19937796B4 (de) * 1999-08-10 2007-03-22 Man Roland Druckmaschinen Ag Druckwerk
DE19937805A1 (de) * 1999-08-10 2001-02-15 Roland Man Druckmasch Druckwerk
DE19963944C1 (de) * 1999-12-31 2001-06-13 Koenig & Bauer Ag Verfahren zum Einstellen einer Walze einer Druckmaschine
DE10008215B4 (de) * 2000-02-23 2013-03-28 Manroland Web Systems Gmbh Druckwerk für eine Rotationsdruckmaschine mit Kreuzschlitten
ATE434520T1 (de) * 2001-04-09 2009-07-15 Koenig & Bauer Ag Druckwerk einer druckmaschine
DE10145321A1 (de) * 2001-09-14 2003-04-03 Ina Schaeffler Kg Lageranordnung für Zylinder, Walzen oder Trommeln
DE10145322A1 (de) * 2001-09-14 2003-04-03 Ina Schaeffler Kg Lageranordnung für Zylinder, Walzen oder Trommeln
DE10223666B4 (de) 2002-05-28 2006-06-14 Windmöller & Hölscher Kg Farbwerksaufbau bei Flexodruckmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006015889A1 *

Also Published As

Publication number Publication date
US7661360B2 (en) 2010-02-16
WO2006015889A1 (fr) 2006-02-16
US20080066637A1 (en) 2008-03-20
DE102004038206A1 (de) 2005-10-27

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