EP1767356A2 - Unités d'impression d'une presse rotative polychrome a bobines et procédé d'utilisation. - Google Patents

Unités d'impression d'une presse rotative polychrome a bobines et procédé d'utilisation. Download PDF

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Publication number
EP1767356A2
EP1767356A2 EP06122920A EP06122920A EP1767356A2 EP 1767356 A2 EP1767356 A2 EP 1767356A2 EP 06122920 A EP06122920 A EP 06122920A EP 06122920 A EP06122920 A EP 06122920A EP 1767356 A2 EP1767356 A2 EP 1767356A2
Authority
EP
European Patent Office
Prior art keywords
printing
printing unit
units
unit according
inking
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Withdrawn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
EP06122920A
Other languages
German (de)
English (en)
Other versions
EP1767356A3 (fr
Inventor
Thomas Hoffmann
Jürgen Stiel
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 EP1767356A2 publication Critical patent/EP1767356A2/fr
Publication of EP1767356A3 publication Critical patent/EP1767356A3/fr
Withdrawn legal-status Critical Current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
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/302—Devices for tripping inking devices as a whole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/0024—Frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • 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 printing units of a multicolour web-fed rotary printing press and to methods for handling thereof according to the preamble of claims 1, 3, 7, 9 or 10 or 11.
  • Such a printing unit is known, wherein four double printing units are arranged vertically one above the other and in the region of their double pressure point are horizontally movable relative to each other.
  • the printing units of the same web page are each mounted in a common frame, wherein at least one of the frames is horizontally movable.
  • the EP 12 64 686 A1 discloses a printing unit with vertically stacked double printing units, wherein the printing cylinder in a middle, and the two inking units are each mounted in outer frame parts. These outer frame members are movable horizontally relative to the central frame member to introduce disk handling devices into the gap as needed.
  • EP 11 49 694 A1 is a printing unit with a plurality of vertically stacked bridge-shaped double printing from two each a double printing point forming printing disclosed, the printing cylinder all in a middle frame section and the printing units associated inking are each stored in outer frame sections. The adjacent frame sections are variable relative to each other in the distance are executed.
  • the invention is based on the object pressure units of a To provide a multi-color web-fed rotary printing press and methods for its handling.
  • the achievable with the present invention consist in particular that in a first aspect, despite a compact design high print quality is guaranteed with little effort. This is achieved on the one hand by the fact that the printing cylinder can remain in a fixed, for example preset position, even when the printing unit is opened to one another (reproducibility). Secondly, the quality (doubling) is increased by the fact that a connecting plane of the axes of rotation of the co-operating transfer cylinder forms an angle not equal to 90 °, in particular between 77 and 87 °, with the plane of the web entering the respective double printing unit. Furthermore, by the use of finite, designed as a multi-part blankets blankets a rigid storage of the printing cylinder can be effected in the frame walls (stiffness).
  • each double printing unit is driven by at least one own drive motor rotationally independent of the other double printing units and the associated inking units.
  • Each inking unit receives its own independent drive motor to its rotary drive. Gears in the range of a separable transmission and a transmission of shocks to the pressure point over the drive train, resulting from reversing movements in the inking unit are avoided.
  • the printing cylinder can be driven individually by each independent drive motors in an advantageous embodiment. However, in order to minimize the effort with high quality and variability, are in The here preferred embodiment each cooperating form and transfer cylinder driven in pairs by one of the other pairs independent drive motors.
  • the frame section accommodating all the printing unit cylinders is also advantageous in relation to a simple construction, since a common lubricant space can be formed here for all drive trains of the printing units.
  • a printing machine, z. B. web-fed rotary printing press, in particular a multi-color web-fed rotary printing press, has a printing unit 01, in which a web of material 02, briefly web 02 successively multiple, z. B. here four times, or several tracks at the same time one or more times are printable.
  • the printing unit 01 has a plurality of (in the present case four) vertically stacked double printing units 03 for the two-sided printing in rubber-against-rubber operation.
  • the double printing units 03 are each formed by two printing units 04, which each have a cylinder 06 formed as a transfer cylinder 06 and a forme cylinder 06; 07, z. B. printing cylinder 06; 07, and have an inking 08.
  • a (double) pressure point 05 is formed in Anstelllage.
  • the aforementioned components are designated only at the top double printing unit 03 of Figure 1, wherein the stacked (double) printing units 03; 04, however, essentially - are executed identically - in particular in the embodiment of the relevant features of the invention.
  • Shaping and transfer cylinder 07; 06 are preferably formed with a bale width of at least four juxtaposed standing print pages in newspaper format, in particular in broadsheet format.
  • a double-width web 02 side by side printed with four sides, and the forme cylinder 07 are occupied in accordance with four printing forms side by side.
  • the printing cylinder 06; 07 of the plurality of (four) stacked double printing 03 are rotatably mounted in a middle frame or wall portion 11, which in turn is preferably arranged fixed space, ie, for example, on a floor 09 of the printing room, a fixed space carrier 09, a mounting plate 09 or a mounting frame 09 for the printing unit 01.
  • the inking units 08 on both sides of the double printing units 03 are in rack or
  • carrier 09 the outer frame sections 12; 13 in mutually corresponding bearing elements 14; 16 of the frame portion 12; 13 and the carrier 09 stored.
  • These can be as illustrated as running in rails 16 rollers 14 or as a sliding or rolling body mounted mutually associated linear guide elements 14; 16 to be executed.
  • the wall sections 11; 12; 13 formed in such a way that they are formed in their operating position B on its side facing each other in pairs substantially complementary to each other and collapsed at their dividing lines or lines 17; 18 nevertheless form a substantially closed side front (FIGS. 1 and 2).
  • the middle frame portion 11 deviates from a vertical alignment in the region of the cylindrical bearing, not shown in FIGS. 1 and 2, and has corresponding bulges 19 receiving the bearings.
  • the outer frame sections 12; 13 have corresponding thereto form complementary recesses 21.
  • the recesses 21 and bulges 19 are on the bearing assemblies in the inking unit 08 and printing unit 04 in terms of sufficient or even maximum possible strength of the enclosure, d. H. at least a minimum strength formed by the respective frame out.
  • Fig. 2 shows a maintenance position A on both sides of the pressure points 05, wherein the relative position of the inking units 08 to the printing cylinder 06; 07 by moving the inking units 08 receiving frame sections 12; 13 is effected. It can also only one side turned off (maintenance position A), while the other is in operating position B.
  • the relative positions can in principle also be achieved in another embodiment, by an outer frame portion 12 (13) fixed space, and the middle and the other outer frame portion 11; 13 (12) or even all three frame sections 11; 12; 13 are movably mounted.
  • FIG. 3 and 4 show an advantageous drive configuration for the printing cylinder 06; 07 of the printing unit 01, wherein the pins of the forming and transfer cylinder 07; 06 frontally each with gears 22; 23, in particular spur gears 22; 23, rotatably connected and in pairs form a drive connection.
  • the pairwise drive is advantageously carried out by a drive motor 24 via a transmission, in particular a reduction gear, on one of the two cylinders 06; 07, in particular the forme cylinder 07.
  • the drive on the forme cylinder 07 contributes due to the lower travel to the simple and robust design.
  • the drive via a pinion 26 on the spur gear 22 (Fig. 4a).
  • FIG. 4a In another embodiment (FIG.
  • a second gearwheel 27 can be connected in a rotationally fixed manner to the forme cylinder journal, onto which the pinion 26 drives.
  • the frame section 11 together with a cover 28 preferably forms one of the end wheels and toothed wheels 22; 23; (27) or pinion 26 accommodating lubricant space 29.
  • This preferably extends over the four spur gears 22; 23 of a double printing unit 03 in width and over all four double printing units 03 in height. Ie. there is one for the printing cylinder 06; 07 of the printing unit 01 common lubricant space 29.
  • the double printing units 03 are formed relative to the intended vertical web run such that a connection plane of the axes of rotation of the co-acting transfer cylinder 06 with the plane of the incoming into the respective double printing unit 03 web 02 in Anstell position an angle ⁇ not equal to 90 °, in particular between 77 ° and 87 ° forms (by way of example in Fig. 1).
  • the double printing units 03 are not linear, but angled - preferably bridge-shaped - running.
  • the cylinders 06; 07 are stored for this purpose in the frame section 11 accordingly. As indicated schematically by double dashed lines in FIG.
  • the journals of the transfer cylinders 06 are mounted in radial bearings 32, which in turn are mounted in eccentric bushings 33 for the adjustment of the transfer cylinders 06.
  • This storage can be a total of z. B. be designed as a three-ring or four-ring bearing 32, 33. In one variant, only one of the transfer cylinder 06 is mounted so adjustable and the other firmly.
  • the storage of the forme cylinder 07 can also be carried out, but only the radial bearings 31 are indicated.
  • the printing unit 01 is designed as a printing unit 01 for the dry offset, ie for the water- or damp-free offset printing.
  • the printing unit 01 has no dampening units in this embodiment and is therefore even more compact.
  • the inking units 08 are shown symbolically and can in be executed of various kinds.
  • the inking units 08 are designed as short inking units 08 (Fig. 2, top right), d. H. they have an anilox roller 34, which dips into a paint tray 36 where it picks up color and by a doctor blade device 37, z. As a doctor blade or a doctor blade, the excess color is stripped off.
  • Ink tray 36 and doctor blade 37 may preferably be designed as a chamber doctor blade 36, 37 as a unit, which receives its color from a color supply via a pump, not shown.
  • the anilox roller 34 has one of the printing unit cylinders 06; 07 mechanically independent drive motor 35.
  • the ink is removed from the anilox roller 34 by at least one applicator roll 38, advantageously two (FIG. 2) or even three, and fed to the forme cylinder 07. Since the cups of the anilox roller 34 essentially define the quantity of ink to be picked up, the amount of ink can be either over a relative speed of two rollers or advantageously over the temperature of the ink and / or ink-carrying components (eg at least the anilox roller 34).
  • the anilox roller 34 is in this case by one of the printing cylinders 06; 07 mechanically independent, in particular also of applicator rollers 38 independent own, drive motor 35 rotatably driven. If there is a significant change in the amount of ink, if necessary, the anilox roller 34 must be replaced by another one.
  • the inking units 08 executed as roller inking 08.
  • the ink is applied by several (here two) application rollers 38 to the printing forme of the forme cylinder 07.
  • the application rollers 38 do not receive the ink through an anilox roller 34, but via a roller train which has at least one iridescent roller 39 with a hard surface, a so-called friction cylinder 39.
  • advantageous is a compactor, which has two hard cylinder friction cylinder 39 and an intermediate intermediate roller 41 soft surface.
  • the Form cylinder remote friction cylinder 39 receives the color via a further intermediate roller 41 of a film roller 42 with a hard surface.
  • the two distribution cylinders 39 via a transmission (gear train or traction mechanism) mechanically coupled together and by a common, from the printing cylinders 06; 07 mechanically independent drive motor 43 are rotationally driven (drive train shown in dashed lines).
  • An iridescent axial movement of the two distribution cylinders 39 can be converted in a simple embodiment of the rotational movement of the same via a corresponding gear.
  • an embodiment is advantageous, wherein the axial movement is effected by at least one other drive motor, not shown.
  • the intermediate and applicator rollers 41; 38 are preferably driven only by friction.
  • the film roll 42 receives the ink from a ductor roll 44 with which it forms a nip.
  • the ductor roller 44 is rotatably driven by its own drive motor 46.
  • the dosage of the ink on the ductor roller 44 can be done in various ways.
  • the ductor roller is designed as a dipping roller 44, which dips into the ink reservoir of a paint trough 47.
  • the drive motor 46 the ductor roller 44
  • the amount of ink to be transported via the nip to the film roller 42 is set.
  • the inking unit 08 is designed as a pumping inking unit 08 and receives the required amount of ink controlled by a pumping device 48, which allows the quantity of ink to be selectively applied to the ductor roller 44 by means of one or more pumps.
  • a pumping device 48 which allows the quantity of ink to be selectively applied to the ductor roller 44 by means of one or more pumps.
  • the amount of ink to be applied zonal for sections of the ductor roller 44 in the axial direction separately controllable which is achieved by a plurality of pumps or more individually controllable valves or in particular a combination of both.
  • the pump (s) can (may) be designed as a piston pump or as a continuously running gear pump.
  • the transfer cylinders 06 preferably have on their circumference at least one axially extending opening 49, in particular channel opening 49, into which the ends of a lift 51 representatively shown in FIG an internal channel can be fastened.
  • the elevator 51 is advantageous as a multi-part blanket 51 having a dimensionally stable support plate (eg metal) and an elastic layer (eg rubber), e.g. B. so-called. Metal blanket 51, executed.
  • Preferably two printing blankets 51 are arranged axially next to each other on the four printing pages wide transfer cylinders 06, which in an advantageous development are offset in the circumferential direction (for example by 180 °).
  • a change of the elevators 51 is possible without providing an opening and correspondingly releasable radial bearings in the wall section 11.
  • the elevator 51 can easily in operating position B from the resulting gap between inking units 08 and printing cylinders 06; 07 are changed. The same applies to access to a web 02 in case of problems during feeding or after a web break.
  • At least one transport means for the printing forme is provided, which has, for example, a drive means (eg motor) and a driven holding means (friction surface, stop, suction foot).
  • a drive means eg motor
  • a driven holding means e.g., bearing surface, stop, suction foot.
  • the printing unit 01 does not have to be brought into its maintenance position A, which in turn would result in time and possibly an adjustment of settings and readjustment.
  • the printing cylinder 06; 07, in particular also the pressure point 05 forming transfer cylinder 06 may remain in their relative position to each other.
  • the printing plate handling device 52 is designed so that viewed in the axial direction of the forme cylinder 07 on four sections next to each other, a printing form is manageable. This can be done by correspondingly wide continuous guides or shafts and at least four transport means for the sections, or by four juxtaposed guides / shafts with each associated transport.
  • the in the Beschreiung to four printed pages wide cylinders 06; 07 and / or printing plate handling devices 52 is accordingly to be used side by side on six printed pages.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Printing Methods (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP06122920A 2004-04-28 2004-04-28 Unités d'impression d'une presse rotative polychrome a bobines et procédé d'utilisation. Withdrawn EP1767356A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/EP2004/050632 WO2005115756A1 (fr) 2004-04-28 2004-04-28 Unite d'impression d'une imprimeuse rotative a bobines polychrome et procede d'utilisation
EP04741487A EP1740380B1 (fr) 2004-04-28 2004-04-28 Unite d'impression d'une imprimeuse rotative a bobines polychrome et procede d'utilisation

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP04741487A Division EP1740380B1 (fr) 2004-04-28 2004-04-28 Unite d'impression d'une imprimeuse rotative a bobines polychrome et procede d'utilisation

Publications (2)

Publication Number Publication Date
EP1767356A2 true EP1767356A2 (fr) 2007-03-28
EP1767356A3 EP1767356A3 (fr) 2009-12-02

Family

ID=34957879

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04741487A Expired - Lifetime EP1740380B1 (fr) 2004-04-28 2004-04-28 Unite d'impression d'une imprimeuse rotative a bobines polychrome et procede d'utilisation
EP06122920A Withdrawn EP1767356A3 (fr) 2004-04-28 2004-04-28 Unités d'impression d'une presse rotative polychrome a bobines et procédé d'utilisation.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04741487A Expired - Lifetime EP1740380B1 (fr) 2004-04-28 2004-04-28 Unite d'impression d'une imprimeuse rotative a bobines polychrome et procede d'utilisation

Country Status (5)

Country Link
US (1) US7735418B2 (fr)
EP (2) EP1740380B1 (fr)
AT (1) ATE442958T1 (fr)
DE (1) DE502004010090D1 (fr)
WO (1) WO2005115756A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1790474A1 (fr) * 2005-11-28 2007-05-30 Kba-Giori S.A. Machine d'impression sur feuilles ou sur bobines
DE102007043842A1 (de) * 2007-09-14 2009-03-19 Manroland Ag Druckeinheit einer Rollenrotationsdruckmaschine
ES2319952B1 (es) * 2008-09-29 2010-07-13 Neopack, S.L. Maquina impresora y grupo impresor para offset de formato variable.
DE102009043118A1 (de) * 2008-10-17 2010-04-22 Heidelberger Druckmaschinen Ag Druckmaschine zum Drucken auf beide Seiten von Bogen
US20100282102A1 (en) * 2009-05-08 2010-11-11 Mehdizadeh Sharmin Label printing cylinder and process
PL3375610T3 (pl) * 2017-03-14 2019-08-30 Kba-Notasys Sa Zasilana arkuszami prasa drukarska do jednoczesnego druku recto-verso arkuszy, w szczególności do produkcji dokumentów zabezpieczonych

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995024314A1 (fr) 1994-03-10 1995-09-14 Koenig & Bauer-Albert Aktiengesellschaft Groupe imprimant pour rotative a bobines pour impression en couleurs
EP1149694A1 (fr) 2000-04-27 2001-10-31 Miyakoshi Printing Machinery Co., Ltd. Machine à imprimer avec facilité d'entretien comprenant une pile de groupes d'impression offset verso
EP1264686A1 (fr) 2001-06-07 2002-12-11 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif d'impression

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ATE140186T1 (de) * 1992-03-26 1996-07-15 De La Rue Giori Sa Stichtiefdruckmaschine
US5878666A (en) * 1993-08-20 1999-03-09 Man Roland Druckmaschinen Ag. Printing machine with at least one interchangeable cylinder
DE4415711A1 (de) * 1994-05-04 1995-11-09 Roland Man Druckmasch Druckeinheit für Gummi-Gummi-Druck
DE4429891C2 (de) * 1994-08-24 2003-05-08 Koenig & Bauer Ag Mehrfarbenrollenrotationsdruckmaschine
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DE19803809A1 (de) * 1998-01-31 1999-08-05 Roland Man Druckmasch Offsetdruckwerk
DE10008215B4 (de) * 2000-02-23 2013-03-28 Manroland Web Systems Gmbh Druckwerk für eine Rotationsdruckmaschine mit Kreuzschlitten
JP4582867B2 (ja) * 2000-06-23 2010-11-17 株式会社小森コーポレーション 印刷機
DE10035785A1 (de) * 2000-07-22 2002-02-07 Koenig & Bauer Ag Druckwerk einer Offsetrotationsdruckmaschine
WO2002007972A1 (fr) * 2000-07-22 2002-01-31 Koenig & Bauer Aktiengesellschaft Unite d'impression d'une machine d'impression offset dotee de modules de bati separables
JP4199458B2 (ja) * 2001-01-19 2008-12-17 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト インキ装置
ES2229094T3 (es) * 2001-03-26 2005-04-16 KOENIG & BAUER AKTIENGESELLSCHAFT Accionamiento de un mecanismo de impresion.
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995024314A1 (fr) 1994-03-10 1995-09-14 Koenig & Bauer-Albert Aktiengesellschaft Groupe imprimant pour rotative a bobines pour impression en couleurs
EP1149694A1 (fr) 2000-04-27 2001-10-31 Miyakoshi Printing Machinery Co., Ltd. Machine à imprimer avec facilité d'entretien comprenant une pile de groupes d'impression offset verso
EP1264686A1 (fr) 2001-06-07 2002-12-11 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif d'impression

Also Published As

Publication number Publication date
US20080000366A1 (en) 2008-01-03
US7735418B2 (en) 2010-06-15
EP1740380B1 (fr) 2009-09-16
DE502004010090D1 (de) 2009-10-29
WO2005115756A1 (fr) 2005-12-08
ATE442958T1 (de) 2009-10-15
EP1740380A1 (fr) 2007-01-10
EP1767356A3 (fr) 2009-12-02

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