EP0741015A2 - Dispositif pour régler la position circonférentielle et latérale du cylindre porte-plaque - Google Patents

Dispositif pour régler la position circonférentielle et latérale du cylindre porte-plaque Download PDF

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Publication number
EP0741015A2
EP0741015A2 EP96104952A EP96104952A EP0741015A2 EP 0741015 A2 EP0741015 A2 EP 0741015A2 EP 96104952 A EP96104952 A EP 96104952A EP 96104952 A EP96104952 A EP 96104952A EP 0741015 A2 EP0741015 A2 EP 0741015A2
Authority
EP
European Patent Office
Prior art keywords
shaft
gear
bushing
wedge
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
EP96104952A
Other languages
German (de)
English (en)
Other versions
EP0741015B1 (fr
EP0741015A3 (fr
Inventor
Brian J. Gentle
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0741015A2 publication Critical patent/EP0741015A2/fr
Publication of EP0741015A3 publication Critical patent/EP0741015A3/fr
Application granted granted Critical
Publication of EP0741015B1 publication Critical patent/EP0741015B1/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
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/14—Registering devices with means for displacing the cylinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1956—Adjustable

Definitions

  • the present invention relates to a device for adjusting the circumferential and page register in a rotary printing press.
  • a plate cylinder In a rotary offset machine, a plate cylinder is in rolling contact with a rubber cylinder, which in turn contacts the web (the material to be printed).
  • the position of the plate cylinder relative to the blanket cylinder must be readjusted from time to time. Adjustment may be necessary, for example, so that the printed image is in register with an image already on the web. Adjustment of the register can be necessary laterally (in the direction of the cylinder axes) or circumferentially (in the direction of rotation). A corresponding adjustment can be necessary, for example, in a typical color printing machine with four printing units, each printing unit printing dots in a specific color. The combination of these colored dots on paper gives a colored picture. Each set of colored dots must be printed aligned with the others in order to obtain a sharp, colored image. If the dots are printed with misalignment, the register of the printing units must be adjusted so that the printing units print their dots in the correct fit.
  • Devices for adjusting the lateral and circumferential positions of the printing cylinder are known.
  • the side adjuster and the circumferential adjuster are on opposite sides of the printing press. Since the adjusters are arranged on opposite sides of the printing press, it is difficult for the machine operator to make repeated adjustments to the cylinder position.
  • the shortcomings of the known devices are eliminated in that lateral and circumferential adjusters with a simple construction are provided on the same side of the machine.
  • the design is simple because a single precision threaded shaft is used in two different ways: one for the side register and one for the circumferential register.
  • a socket with an internal thread is provided.
  • a precision threaded shaft is arranged in the threaded bush and engages with it.
  • the shaft is connected to the plate cylinder so that the plate cylinder is moved laterally when the shaft is moved laterally.
  • the shaft is rotated by a first drive.
  • the threaded bush is turned by a second drive.
  • the threaded bushing is connected to the plate cylinder by a gear so that the plate cylinder rotates when the threaded bushing moves laterally.
  • the transmission includes a wedge bushing which is connected to the plate cylinder, lies coaxially with the plate cylinder and carries a wedge on the outside.
  • the gear also includes a bevel, on the inside of which a groove is formed which engages with the wedge.
  • the bevel is rotatably connected to the threaded bush.
  • the inclined degree is engaged on the outside with a gear wheel attached to the rubber cylinder. A lateral force is exerted on the skew degree by the lateral movement of the threaded bushing, so that when the threaded bushing moves laterally, the skew degree is moved sideways and rotates (by meshing with the rubber cylinder gear), so that a circumferential movement of the plate cylinder with respect of the blanket cylinder is effected.
  • the shaft In order to adjust the side register, the shaft is rotated by the first drive while the bush is held in place. Due to its threaded connection with the threaded bush, the rotating shaft moves laterally and moves the plate cylinder laterally.
  • the threaded bush is rotated by the second drive while the shaft is held in place.
  • the threaded bushing moves laterally, thereby driving the gearbox and causing the plate cylinder to be rotated circumferentially, as described above.
  • Fig. 1 shows a known device in which the devices for adjusting the circumferential register and the side register on the same side of the printing press are provided, but two precision threaded shafts 90, 100 are required.
  • a plate cylinder 1 is connected to an operator-side bearing journal 2 and a drive-side bearing journal (not shown).
  • the trunnions are rotatably supported by bearings 4 in the respective side frame 3.
  • a first precision threaded shaft 90 is disposed within a second, hollow precision threaded shaft 100.
  • the first shaft 90 also lies within a threaded sliding plate 23 and is in threaded engagement therewith.
  • the first shaft 90 is supported in bearings 110 at one end.
  • the bearings 110 are attached to a bevel 150 with a ring 120 and screws 140 so that the first shaft 90 can rotate independently of the bevel 150. Lateral movement of the shaft 190 regardless of the degree of inclination 150 is, however, not possible.
  • a gear 130 is attached to the first shaft 90. Gear 130 is connected to a first motor (not shown).
  • the second precision threaded shaft 100 is arranged within a play nut 220 and is in threaded engagement therewith.
  • the second shaft 100 is supported with bearings 170.
  • the bearings 170 are connected to the plate cylinder journal 2 by screws 180, 190 and a gear wheel 200, which is fastened to the end of the journal 2, so that the second shaft 100 can rotate independently of the journal 2.
  • a lateral movement of the second shaft 100 independently of the bearing journal 2 is not possible.
  • a gear 160 is attached to the second shaft 100.
  • Gear 160 is connected to a second motor (not shown).
  • the known device In a first operating mode, the known device according to FIG. 1 sets the circumferential register of the plate cylinder 1 by rotating the first threaded shaft 90. If the first shaft is rotated by its gear 130, the first shaft 19 moves laterally due to the threaded connection with the Plate 230. The lateral movement of the first shaft 90 is transmitted to the bevel 150 through bearings 110, ring 120 and screws 140. The bevel 150 engages another bevel (not shown) attached to the end of a blanket cylinder (not shown) of the press. When moving the At an incline 150, the relative circumferential positions of the plate cylinder 1 and the rubber cylinder (not shown) are changed, thereby achieving extensive registration.
  • the conventional device sets the lateral register of the plate cylinder 1 by rotating the second shaft 100. If the second shaft 100 is rotated by its gear 160, the second shaft 100 moves laterally due to its threaded connection of the plate 220. This lateral movement is transmitted to the plate cylinder 1 via the bearings 170, screws 180, 190, gear wheel 200 and bearing journal 2, as a result of which lateral registration is achieved.
  • FIG. 2 shows a plate cylinder 1 which is connected to an operator-side bearing journal 2 and a drive-side bearing journal (not shown).
  • the trunnions are rotatably supported by bearings 4 in their respective side frames 3.
  • a rubber cylinder 5 is equally connected to an operator-side bearing journal 6 and a drive-side bearing journal (not shown). These journals are equally rotatably supported by bearings 7 in their respective side frames 3.
  • a helical gear or helical gear 8 is attached to the end of the operator-side bearing journal 6 of the rubber cylinder.
  • a single precision threaded shaft 9 is arranged within a bushing 10 and is in threaded connection with the bushing 10.
  • the shaft 9 is supported at one end by bearings 11.
  • the bearings 11 are coaxially attached to the end of the adjustable journal 2 of the plate cylinder by a ring 12 and screws 13 so that the shaft 9 can rotate independently of the plate cylinder 1.
  • a lateral movement of the shaft 9 independently of the plate cylinder 1 is not possible.
  • the shaft 9 is also arranged within mother plates 14, 15 and is in threaded connection therewith.
  • the mother plates 14, 15 are fastened to each other, and the assembly consisting of 14 and 15 is fitted into an opening in a register drive plate 17.
  • a threaded clamping ring or collar 16 is provided as a mechanical stop in the lateral direction.
  • gear 18 is fastened with a washer 19 and a screw 20, so that the gear 18 cannot rotate independently of the shaft 9.
  • Gear 18 is connected to a first motor (not shown). In the embodiment of the present invention shown in FIG. 2, the first motor and the gear 18 form the shaft drive of the shaft 9.
  • the bushing 10 is arranged within a gearwheel 21 and fastened to it.
  • the gear 21 is in engagement with a pinion 22 on the outside.
  • the pinion 22 is coaxially attached to a shaft 23.
  • the pinion 22 is so long in the lateral direction that it remains in engagement with the gear 21 over the entire lateral adjustment path of the gear 21.
  • the shaft 23 passes through the register drive plate 17.
  • a bevel gear 24 is coaxially attached to the end of the shaft 23 outside the side plate 17.
  • the bevel gear 24 is connected to a second motor (not shown).
  • the second motor, the bevel gear 24, the shaft 23, the pinion 22 and the gear 21 together form the bush drive of the bush 10 in the embodiment of the present invention shown in FIG. 2.
  • the bushing 10 is supported by bearings 25, which enable the bushing 10 to be rotated freely and extensively.
  • the bushing 10 is, however, fitted into its bearing 25 in such a way that the bushing 10 cannot slide sideways in the bearings 25.
  • the bearings 25 are arranged in a collar or ring unit 26, which for ease of manufacture consists of an inner ring 27 and an outer ring 28.
  • the outer ring 28 is fastened to the inner ring 27 with screws 29.
  • the inner ring 27 has an integral lip 30 which lies so that the bearing 25 can press against the lip 30.
  • the outer ring 28 has an integral lip 31 which lies so that the bearing 25 can press against the lip 31.
  • the ring 26 is fastened to a bevel 32 with four screws 33.
  • the bevel 32 is externally engaged with the bevel 8 of the blanket cylinder.
  • a straight wedge 34 is provided in the bevel degree 32 and is in engagement therewith.
  • the straight wedge 34 is arranged and mounted on the adjustable bearing journal 2 of the plate cylinder that circumferential rotation of the wedge 34 is not possible independently of the plate cylinder 1.
  • the straight wedge 34 restricts the freedom of movement of the oblique degree 32 and prevents the oblique degree 32 from rotating circumferentially with respect to the plate cylinder 1.
  • a spur gear 35 is provided for driving the application roller (not shown) of the printing press.
  • the spur gear 35 is driven by the connection to the operator-side bearing journal.
  • the lateral register is set by rotating the shaft 9.
  • the socket 10 is held by the socket drive.
  • the shaft drive drives the gear 18, which in turn rotates the shaft 9 either clockwise or counterclockwise. Since the shaft 9 is threadedly connected to the mother plates 14, 15 and the bush 10, the shaft 9 is driven laterally, in a direction corresponding to the direction of rotation.
  • the shaft 9 pushes or pulls) the plate cylinder 1 in the lateral direction by power transmission via the shaft bearings 11. In this way, the plate cylinder 1 is adjusted laterally.
  • the extensive register is set by rotating the socket 10.
  • the shaft 9 is held by the shaft drive.
  • the sleeve drive drives the bevel gear 24, which in turn rotates the sleeve, either clockwise or counterclockwise. Since the bush 10 is threadedly connected to the fixed shaft 9, the bush 10 is driven laterally in a direction corresponding to the direction of rotation.
  • the bushing 10 transmits lateral forces via its bearings 25, then via the ring unit 26 and further via the screws 33 to the bevel 32.
  • the bevel 32 is thus moved laterally in a direction corresponding to the direction of rotation of the bush 10. Since the bevel 32 is engaged with the bevel 8 of the blanket cylinder, the bevel becomes 32 forced to circumferential rotation with respect to the rubber cylinder 5.
  • the circumferential movement of the bevel 32 with respect to the rubber cylinder 8 transmits circumferential forces via the straight wedge 34, which causes the plate cylinder 1 to rotate circumferentially with respect to the rubber cylinder 5. In this way, registration in the circumferential direction is achieved.
  • the plate cylinder 1 and the rubber cylinder 5 are rotated in machine operation, for example by a gear train 300 which is connected to a main drive gear 310.
  • the transmission 310 is driven by a DC motor via a belt (not shown).
  • the journal 2 of the plate cylinder, the bevel 32, the straight wedge 34, the spur gear 35, the screws 33 and the rings 12, 26 rotate together with the plate cylinder 1.
  • the bevel 8 and the journal 6 of the rubber cylinder rotate together with this.
  • the shaft 9 and the bushing 10 with bearings, as through their bearings 11, 25, do not rotate together with the plate cylinder 1.
  • the shaft 9 is held by the shaft drive and the bushing 10 is held by the bushing drive, except if the register is set while the machine is running (as described above).
  • FIG. 5 shows another embodiment of the present invention in which the helical gears 8, 32 of the embodiment of FIG. 2 are replaced by spur gears 88, 82 and the straight wedge 34 of the embodiment of FIG. 2 is replaced by a screw wedge 84.
  • the gear 18 of the shaft drive is replaced by a gear 36.
  • Components; which correspond to one another in the embodiments of FIGS. 2 and 5 have the same reference numerals.
  • the shaft 9 is prevented from rotating with respect to the register drive plate 17 when the side register is adjusted by a pin 39 which is pressed into the shaft 9 and sits in a groove in the plate 17.
  • a holder 37 is fastened in the register drive plate 17 with a screw 38 and prevents the gear 36 from moving axially.
  • the gear 36 is moved to adjust the side register the first motor rotated while the bush drive (gears 24, 21, shaft 23, pinion 22 and second motor) is held.
  • the gear 36 rotates, it moves the shaft 9 axially, but not circumferentially due to the threaded connection between the shaft 9 and the gear 36.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP96104952A 1995-05-05 1996-03-28 Dispositif pour régler la position circonférentielle et latérale du cylindre porte-plaque Expired - Lifetime EP0741015B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/435,932 US5535675A (en) 1995-05-05 1995-05-05 Apparatus for circumferential and lateral adjustment of plate cylinder
US435932 1995-05-05

Publications (3)

Publication Number Publication Date
EP0741015A2 true EP0741015A2 (fr) 1996-11-06
EP0741015A3 EP0741015A3 (fr) 1997-10-01
EP0741015B1 EP0741015B1 (fr) 1999-08-18

Family

ID=23730418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104952A Expired - Lifetime EP0741015B1 (fr) 1995-05-05 1996-03-28 Dispositif pour régler la position circonférentielle et latérale du cylindre porte-plaque

Country Status (5)

Country Link
US (2) US5535675A (fr)
EP (1) EP0741015B1 (fr)
JP (1) JPH08300606A (fr)
CA (1) CA2175844C (fr)
DE (1) DE59602767D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1162064A3 (fr) * 2000-06-07 2005-04-27 Kabushiki Kaisha Tokyo Kikai Seisakusho Dispositif pour le réglage fin de la position d'un cylindre de plaque pour le répérage d' images multicolores

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SE507365C2 (sv) * 1996-09-23 1998-05-18 Scandrive Hallstahammar Ab Regleranordning för att åstadkomma vridvinkelförändringar mellan två roterbara element
EP0878299B1 (fr) * 1997-04-18 2001-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Machine d'impression rotative à journaux pour bandes
US6374731B1 (en) 1997-04-18 2002-04-23 Heidelberger Druckmaschinen Ag Lithographic newspaper printing press
JP3759335B2 (ja) * 1998-10-09 2006-03-22 東北リコー株式会社 孔版印刷装置
CZ287952B6 (cs) * 1999-04-06 2001-03-14 Adamovské Strojírny A.S. Zařízení pro pohon formového válce tiskového stroje
ATE555907T1 (de) * 2001-03-26 2012-05-15 Koenig & Bauer Ag Druckwerk einer druckmaschine
ATE434520T1 (de) * 2001-04-09 2009-07-15 Koenig & Bauer Ag Druckwerk einer druckmaschine
US6851368B2 (en) * 2001-08-29 2005-02-08 Heidelberger Druckmaschinen Ag Rotary printing press having a switchable speed-change gear mechanism with plant gears
JP3692992B2 (ja) * 2001-10-01 2005-09-07 株式会社東京機械製作所 ３分割版胴装置
US20050077226A1 (en) * 2003-10-14 2005-04-14 Bishop Bruce A. Membrane devices using reaction bonded monolith supports
EP1593504A1 (fr) * 2004-05-04 2005-11-09 Müller Martini Holding AG Dispositif avec bâti et unité d'application d'un revêtement relié à ce dernier
TWI252809B (en) * 2004-05-05 2006-04-11 Bobst Sa Method and device for initial adjustment of the register of the engraved cylinders of a rotary multicolour press
CN101208201B (zh) * 2005-03-30 2011-10-05 高斯国际美洲公司 具有自动装版的卷筒纸胶印印刷机
WO2006104830A2 (fr) 2005-03-30 2006-10-05 Goss International Americas, Inc. Presse a imprimer offset sur papier sans fin pourvue d'une lame plieuse articulee
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JP4814309B2 (ja) * 2005-03-30 2011-11-16 ゴス インターナショナル アメリカス インコーポレイテッド ブランケット胴胴抜き支持面を有する印刷ユニット
JP4829291B2 (ja) * 2005-04-11 2011-12-07 ゴス インターナショナル アメリカス インコーポレイテッド 単一モータ駆動を用いて自動プレーティングを可能にする印刷ユニット
ES2304311B1 (es) * 2007-03-27 2009-07-28 Kontrelmec, S.L. Impresora flexografica.
CN101298205B (zh) * 2008-07-02 2010-06-23 林孝余 印刷机的压印辊转角整定方法及其转角整定装置
ES2655944T3 (es) * 2011-02-15 2018-02-22 I. Mer Co., Ltd. Dispositivo de accionamiento del cilindro portaplaca de impresora
CN104118196A (zh) * 2014-07-21 2014-10-29 太阳机械股份有限公司 一种票据轮转印刷机及其使用方法
DE102016204072B4 (de) * 2016-03-11 2018-05-03 Koenig & Bauer Ag Verfahren zur Prüfung einer Registerhaltigkeit von auf zwei gegenüberliegenden Seiten eines Bedruckstoffes zu druckenden Druckbildern
CN107953661A (zh) * 2018-01-12 2018-04-24 无锡宝南机器制造有限公司 印刷机螺旋花键相位调节装置
CN111038073A (zh) * 2019-12-09 2020-04-21 高斯图文印刷系统（中国）有限公司 一种印刷机的轴向调节机构
CN114311960B (zh) * 2021-12-20 2023-06-09 石家庄印钞有限公司 一种凹印机色模滚筒

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DE4407691A1 (de) * 1993-03-08 1994-09-15 Scandrive Hallstahammar Ab Stellglied zum Einstellen von zumindest der relativen Drehwinkellage und der axialen Lage eines Drehelements, z.B. einer Walze in einer Druckmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1162064A3 (fr) * 2000-06-07 2005-04-27 Kabushiki Kaisha Tokyo Kikai Seisakusho Dispositif pour le réglage fin de la position d'un cylindre de plaque pour le répérage d' images multicolores

Also Published As

Publication number Publication date
US5535675A (en) 1996-07-16
CA2175844A1 (fr) 1996-11-06
US5651314A (en) 1997-07-29
EP0741015B1 (fr) 1999-08-18
JPH08300606A (ja) 1996-11-19
CA2175844C (fr) 1999-06-22
EP0741015A3 (fr) 1997-10-01
DE59602767D1 (de) 1999-09-23

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