WO2010059842A1 - Appareil d’alignement pour coupe variableet procédé d’alignement des cylindres d'impression pendant un changement de coupe - Google Patents
Appareil d’alignement pour coupe variableet procédé d’alignement des cylindres d'impression pendant un changement de coupe Download PDFInfo
- Publication number
- WO2010059842A1 WO2010059842A1 PCT/US2009/065170 US2009065170W WO2010059842A1 WO 2010059842 A1 WO2010059842 A1 WO 2010059842A1 US 2009065170 W US2009065170 W US 2009065170W WO 2010059842 A1 WO2010059842 A1 WO 2010059842A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylinder
- blanket
- plate
- support box
- exchangeable
- Prior art date
Links
- 238000007639 printing Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007645 offset printing Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- B41F13/34—Cylinder lifting or adjusting devices
- B41F13/36—Cams, eccentrics, wedges, or the like
-
- 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
- B41F13/32—Bearings mounted on swinging supports
-
- 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
- B41F13/34—Cylinder lifting or adjusting devices
- B41F13/40—Cylinder lifting or adjusting devices fluid-pressure operated
-
- 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
- B41F7/04—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs
-
- 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
-
- 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
-
- 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
- B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
Definitions
- the present invention relates generally to printing presses and more particularly to a variable cutoff alignment apparatus for a printing press and a method of aligning printing cylinders during a cutoff change.
- plate cylinders, blanket cylinders and impression cylinders may have to be removed from the printing press and replaced with respective cylinders having circumferences that correspond to a new desired cutoff length.
- each cylinder may include a sleeve that may be removed and replaced with a sleeve having a circumference that corresponds to the new desired cutoff length.
- Changing cylinders or sleeves may require the mechanisms supporting the cylinders to be separated from one another. After the change, the new cylinders may need to be brought back into contact with one another at a desired position.
- variable cutoff cylinder alignment apparatus includes a plate cylinder support box for supporting an exchangeable variable cutoff plate cylinder, the plate cylinder support box including an exchangeable plate cam, a blanket cylinder support box for supporting an exchangeable variable cutoff blanket cylinder, the blanket cylinder support box including an exchangeable blanket cam and an alignment stop for aligning the variable cutoff blanket cylinder and the variable cutoff plate cylinder.
- the exchangeable plate cam capable of contacting the stop and the exchangeable blanket cam capable of contacting the plate support box to align the variable cutoff blanket cylinder and the variable cutoff plate cylinder for different sized cutoffs.
- a method of aligning printing cylinders during a cutoff change includes the steps of removing a first plate cylinder and a first plate cam from a plate cylinder support box and removing a first blanket cylinder and a first blanket cam from a blanket cylinder support box; mounting a second plate cylinder and a second plate cam on the plate cylinder support box and mounting a second blanket cylinder and a second blanket cam on the blanket cylinder support box; and aligning the second plate cylinder and the second blanket cylinder by contacting an aligning stop with the second plate cam and contacting the plate cylinder support box with the second blanket cam.
- variable cutoff offset printing press includes an exchangeable variable cutoff plate cylinder, an exchangeable variable cutoff blanket cylinder, a plate cylinder support box supporting the exchangeable variable cutoff plate cylinder, a blanket cylinder support box supporting the exchangeable variable cutoff blanket cylinder and an alignment stop adapted to align the exchangeable variable cutoff plate cylinder and the exchangeable variable cutoff blanket cylinder.
- the plate cylinder support box includes an exchangeable plate cam and the blanket cylinder support box includes an exchangeable blanket cam.
- the exchangeable plate cam is capable of contacting the stop and the exchangeable blanket cam is capable of contacting the plate support box to align the exchangeable variable cutoff blanket cylinder and the exchangeable variable cutoff plate cylinder.
- the plate cylinder support box and the blanket cylinder support box are capable of aligning cylinders of different sized cutoffs.
- FIG. 1 shows a schematic side view of a printing unit of a printing press arranged in a printing arrangement by a cylinder alignment apparatus according to an embodiment of the present invention
- FIG. 2 shows the printing unit shown in Fig. 1 with cylinders of the printing unit in a maximum separation arrangement
- Fig. 3 shows the printing unit shown in Figs. 1 and 2 including larger plate and blanket cylinders in an aligning arrangement
- Fig. 4 shows the printing unit shown in Figs. 3 with the plate cylinder and an impression cylinder in a throw off arrangement
- Fig. 5 shows the printing unit shown in Fig. 4 with the plate cylinder in a plating arrangement.
- Fig. 1 shows a schematic side view of a printing unit 10 of a printing press including a cylinder alignment apparatus 20 according to an embodiment of the present invention.
- the printing press may include multiple printing units.
- the printing press may include non- perfecting printing units. Each printing unit may print with a different color ink as desired.
- the printing press may also include a dryer, a folder having a former for folding a web, cutting cylinders and folding cylinders.
- Printing unit 10 includes an impression cylinder 12, a blanket cylinder 14, a plate cylinder 16 and an inking and dampening apparatus 18.
- inking and dampening apparatus 18 provides ink and dampening solution to plate cylinder 16.
- Plate cylinder 16 which may be provided with an imaged printing plate mounted thereon, transfers inked images to a printing blanket on blanket cylinder 14 at a nip 15.
- a printing blanket on blanket cylinder 14 then transfers the images to a web passing between blanket cylinder 14 and impression cylinder 12 at a nip 13.
- Cylinder alignment apparatus 20 includes an impression cylinder support box 22 supporting impression cylinder 12, a blanket cylinder support box 24 supporting blanket cylinder 14 and a plate cylinder support box 26 supporting plate cylinder 16.
- Support boxes 22, 24, 26 are coupled to a supporting frame at respective pivot points 23, 25, 27 on a first side.
- One a second side, impression cylinder support box 22 is coupled to an actuator 33 and plate cylinder support box 26 is coupled to an actuator 37.
- Actuators 33, 37 may be pneumatic air cylinders or hydraulic cylinders.
- An impression cam 42 is coupled to support box 22, first and second blanket cams 43, 44 are coupled to support box 24 and first and second plate cams 45, 46 are coupled to support box 26.
- An alignment stop 40 which may be coupled to the supporting frame, is near inking and dampening apparatus 18.
- Alignment stop 40 may be eccentrically mounted on the supporting frame and may be movable between a non-aligning position and an aligning position. In Fig. 1 , alignment stop is in the non-aligning position. In the aligning position, alignment stop 40 provides a reference point to assist in aligning support boxes 22, 24, 26 with one another, and thus assists in aligning cylinders 12, 14, 16 with one another.
- impression cam 42 contacts first blanket cam 43
- second blanket cam 44 contacts first plate cam 45
- plate cylinder 16 contacts one or more rollers of inking and dampening apparatus 18.
- Alignment stop 40 is pulled away from second plate cam 46 during printing in the non-aligning position.
- Support box 22 may be coupled to support box 24 via a latch 29.
- Support box 24 may be locked into a set position for a given cutoff, which may be accomplished by be locking support box 24 to the supporting frame via lock mechanism 50.
- support box 24 When support box 24 is in the locked position, support box 24 provides a reference point for support boxes 22, 26.
- impression cylinder and plate cylinder and their respective support boxes may be thrown on and off as necessary during the printing process, while the blanket cylinder support box remains stationary.
- FIG. 2 shows printing unit 10 shown in Fig. 1 with cylinders 12, 14, 16 in a maximum separation arrangement which allows cylinders 12, 14, 16 to be removed for a cutoff change.
- Sleeves and cams can be changed.
- Support box 24 is unlocked from the supporting frame via locking mechanism 50 and latch 29 is unlatched from support box 24.
- Support boxes 22, 24, 26 rest on respective support stops 34, 35, 36.
- Actuator 37 has moved support box 26 away from alignment stop 40 and inking and dampening apparatus 18.
- Actuator 33 has moved support box 22 away from support box 24 so that first blanket cam and impression cam 42 are no longer in contact.
- Support box 24 has moved away from support box 26 so blanket cam 44 and plate cam 45 are no longer in contact.
- Cylinders 12, 14, 16 may then be removed from respective supporting boxes 22, 24, 26, first and second cams 43, 44 may be removed from support box 24 and second cam 46 may be removed from support box 26.
- Alignment stop 40 is in the non-aligning arrangement.
- Fig. 3 shows printing unit 10 shown in Figs. 1 and 2 including plate cylinder 116, blanket cylinder 114 and impression cylinder 12. Cylinders 114, 116, 12 are shown in an aligning arrangement and alignment stop 40 is in the aligning position. Cylinders 114, 116 have greater circumferences than cylinders 14, 16 and thus cylinders 114, 116 print images of a larger cutoff than cylinders 14, 16.
- Blanket cams 43, 44 have been replaced with blanket cams 143, 144 and plate cam 46 has been replaced with a plate cam 146.
- Cams 143, 144, 146 are radially larger than cams 43, 44, 46.
- cam 146 is brought into contact with alignment stop 40, which is now in a gauging/alignment position for alignment of the cylinders, cam 144 is brought into contact with cam 45, and cam 42 is brought into contact with cam 143.
- Support box 24 may then be locked into position on the supporting frame via locking mechanism 50 and support boxes 22, 26 may be pushed against support box 24 by contacting cams 143, 144 with cams 42, 45, respectively, to gauge the amount of pressure between cylinders 116, 1 14 at a nip 115 and the amount of pressure between cylinders 114, 12 at a nip 113.
- Support box 24 may be locked in place until another cutoff change is required and cylinders 114, 116 (or sleeves on cylinders 114, 116) are replaced.
- support box 24 may not need to be moved. If a plate on plate cylinder 116 needs to be replaced, a blanket on blanket cylinder 114 needs to be replaced or impression cylinder 12 needs to be replaced, or any cylinder 12, 114, 116 needs to be repaired, but no cutoff change is required, support box 24 may be left in the locked position. In such an instance, alignment stop 40 may be moved out of the gauging/alignment position and one or more rollers of inking and dampening apparatus 18 may be moved away from plate cylinder 116. Actuator 37 may then move support box 26 away from support box 24 and actuator 33 may move support box 22 away from support box 24. After cylinders 12, 114, 116 are thrown off from one another, the particular maintenance may be performed and it may be unnecessary to gauge the pressure between cylinders 12, 114, 116.
- FIG. 4 shows printing unit 10 shown in Figs. 3 with plate cylinder 116 and impression cylinder in a throw off arrangement. Both impression cylinder 12 and plate cylinder 116 are thrown off of blanket cylinder 114. Alignment stop 40 is in the non-aligning position. Blanket support box 24 remains in the locked position and plate support box 26 is thrown off of blanket support box 24 by actuator 37 such that plate cam 45 does not contact blanket cam 144 and plate cam 146 comes into contact with alignment stop 40. One or more rollers of inking and dampening apparatus 18 and alignment stop 40 have been moved away from plate cylinder 116. A plate on plate cylinder 116 may be removed and replaced with a replacement plate. In this thrown off arrangement, maintenance operations that do not require a cutoff change may be performed on cylinders 12, 114, 116.
- Fig. 5 shows printing unit 10 shown in Fig. 4 in a plating arrangement.
- Plate cylinder 116 is back into contact with blanket cylinder 114.
- Plate cylinder 116 is in position for a plating operation and the replacement plate may be secured on plate cylinder 116 by rotating plate cylinder 116 and contacting the replacement plate with blanket cylinder 1 14.
- Plate cam 45 is back into contact with blanket cam 144.
- Alignment stop 10 is in the non-aligning position and is not contacting plate cam 146.
- the one or more rollers of inking and dampening apparatus 18 may be brought back into contact with plate cylinder 116 and printing unit 10 may resume printing.
- blanket cams 43, 44 may be replaced by a single cam and blanket cams 143, 144 may be replacement by a single cam.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
Abstract
Appareil d'alignement de cylindres pour coupe variable comprenant une calandre de cylindre de plaque supportant un cylindre remplaçable de plaque pour coupe variable, une calandre de cylindre porte-blanchet supportant un cylindre porte-blanchet pour coupe variable, et une butée d'alignement conçue pour aligner la calandre de cylindre porte-blanchet et la calandre du cylindre de plaque. La calandre de cylindre de plaque supporte une came de plaque remplaçable et la calandre de cylindre porte-blanchet comprend une came de blanchet remplaçable. La came de plaque remplaçable peut entrer en contact avec la butée et la came de blanchet remplaçable avec la calandre de plaque de manière à aligner la calandre de cylindre porte-blanchet et la calandre du cylindre de plaque. La calandre de cylindre de plaque et la calandre de cylindre porte-blanchet permettent d'aligner des cylindres pour des coupes de tailles différentes. Sont également décrits une presse d'impression offset pour coupe variable et un procédé d'alignement des cylindres d'impression pendant un changement de longueur de coupe.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09828230.4A EP2367688B1 (fr) | 2008-11-21 | 2009-11-19 | Appareil d'alignement pour coupe variable et procédé d'alignement des cylindres d'impression pendant un changement de coupe |
ES09828230T ES2741663T3 (es) | 2008-11-21 | 2009-11-19 | Aparato de alineación para corte variable y procedimiento de alineación de los cilindros de impresión durante un cambio de corte |
CN200980150574.4A CN102245387B (zh) | 2008-11-21 | 2009-11-19 | 可变裁切尺寸对齐装置和裁切尺寸改变过程中对齐印刷滚筒的方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19988608P | 2008-11-21 | 2008-11-21 | |
US61/199,886 | 2008-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010059842A1 true WO2010059842A1 (fr) | 2010-05-27 |
Family
ID=42195035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/065170 WO2010059842A1 (fr) | 2008-11-21 | 2009-11-19 | Appareil d’alignement pour coupe variableet procédé d’alignement des cylindres d'impression pendant un changement de coupe |
Country Status (5)
Country | Link |
---|---|
US (1) | US9481163B2 (fr) |
EP (1) | EP2367688B1 (fr) |
CN (1) | CN102245387B (fr) |
ES (1) | ES2741663T3 (fr) |
WO (1) | WO2010059842A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8919250B2 (en) | 2010-08-02 | 2014-12-30 | Goss International Americas, Inc. | Printing press and method for positioning cylinders therein |
US20120073460A1 (en) * | 2010-09-29 | 2012-03-29 | Goss International Americas, Inc. | Variable cutoff printing press and method for double printing |
ITTO20130033A1 (it) * | 2013-01-15 | 2014-07-16 | Omet Srl | Gruppo di stampa per macchine di stampa di tipo offset a formato variabile. |
US10000053B2 (en) | 2016-05-10 | 2018-06-19 | Goss International Americas, Inc. | Web displacer for a printing unit |
CN106476413A (zh) * | 2016-12-05 | 2017-03-08 | 高斯图文印刷系统(中国)有限公司 | 一种可变规格印刷机印刷滚筒的快速离合机构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235910A (en) * | 1992-07-07 | 1993-08-17 | A. B. Dick Company | Blanket cylinder impression throw-off |
US5778780A (en) * | 1996-06-20 | 1998-07-14 | Stevens International | Printing press with nip adjustment |
US20020066381A1 (en) * | 2000-12-01 | 2002-06-06 | Herda Philippe Francois | Device and method for switching between collect and straight modes on a folder |
US20050126412A1 (en) * | 2002-04-11 | 2005-06-16 | Johannes Ruschkowski | Washing and cleaning device for cylinders, especially printing form cylinders and offset blanket cylinders in a printing machine comprising a timing mechanism for a continuous cleaning cloth |
US20080072776A1 (en) * | 2006-09-26 | 2008-03-27 | Ryobi Ltd | Home positon storage unit and home position storage method for use with printing press |
Family Cites Families (16)
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US2146963A (en) * | 1935-05-22 | 1939-02-14 | Dresden Leipziger Schnellpress | Rotary printing machine |
US2988989A (en) * | 1958-08-04 | 1961-06-20 | Earl A Crawford | Intaglio dry offset printing press |
US3108536A (en) * | 1961-11-15 | 1963-10-29 | Versatile Press | Cylinder change means for printing machine |
US3323452A (en) * | 1965-01-15 | 1967-06-06 | Miehle Goss Dexter Inc | Variable cut-off web offset press |
GB1187254A (en) * | 1967-09-26 | 1970-04-08 | Gestetner Ltd | Offset Printing Apparatus |
US3611924A (en) * | 1969-10-23 | 1971-10-12 | Nat Productive Machines Inc | Rotary offset printing press with cylinder interrupter |
US4138944A (en) * | 1976-07-30 | 1979-02-13 | Frank M. Biggar, Jr. | Print module |
FR2527519A1 (fr) * | 1982-05-25 | 1983-12-02 | Chambon Machines | Appareil d'impression offset a format variable |
US4458591A (en) * | 1982-09-30 | 1984-07-10 | Harris Graphics Corporation | Rotary printing press |
US4643090A (en) * | 1985-02-26 | 1987-02-17 | Harris Graphics Corporation | Printing press and method |
US5186103A (en) * | 1992-06-12 | 1993-02-16 | Man Roland Druckmaschinen Ag | Printing machine system, especially for printing on a web of heavy or thick stock material, with interchangeable printing cylinders |
US5301609A (en) * | 1993-03-04 | 1994-04-12 | Heidelberg Harris Inc. | Printing unit with skew and throw-off mechanisms |
AU2002338305A1 (en) * | 2001-04-09 | 2002-10-21 | Koenig And Bauer Aktiengesellschaft | Printing couple in a printing machine with a pivotal transfer cylinder |
CN2518680Y (zh) | 2002-01-22 | 2002-10-30 | 周靖和 | 印刷机的印刷装置 |
US7089858B2 (en) * | 2003-08-04 | 2006-08-15 | Mitsubishi Heavy Industries, Ltd. | Rotary press |
CN2834907Y (zh) | 2005-09-08 | 2006-11-08 | 上海新闵太阳机械有限公司 | 用于表格印刷机的纸张翻转装置 |
-
2009
- 2009-11-19 CN CN200980150574.4A patent/CN102245387B/zh not_active Expired - Fee Related
- 2009-11-19 WO PCT/US2009/065170 patent/WO2010059842A1/fr active Application Filing
- 2009-11-19 EP EP09828230.4A patent/EP2367688B1/fr active Active
- 2009-11-19 ES ES09828230T patent/ES2741663T3/es active Active
- 2009-11-19 US US12/622,214 patent/US9481163B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235910A (en) * | 1992-07-07 | 1993-08-17 | A. B. Dick Company | Blanket cylinder impression throw-off |
US5778780A (en) * | 1996-06-20 | 1998-07-14 | Stevens International | Printing press with nip adjustment |
US20020066381A1 (en) * | 2000-12-01 | 2002-06-06 | Herda Philippe Francois | Device and method for switching between collect and straight modes on a folder |
US20050126412A1 (en) * | 2002-04-11 | 2005-06-16 | Johannes Ruschkowski | Washing and cleaning device for cylinders, especially printing form cylinders and offset blanket cylinders in a printing machine comprising a timing mechanism for a continuous cleaning cloth |
US20080072776A1 (en) * | 2006-09-26 | 2008-03-27 | Ryobi Ltd | Home positon storage unit and home position storage method for use with printing press |
Also Published As
Publication number | Publication date |
---|---|
US20100126368A1 (en) | 2010-05-27 |
EP2367688A4 (fr) | 2012-06-13 |
ES2741663T3 (es) | 2020-02-11 |
EP2367688A1 (fr) | 2011-09-28 |
EP2367688B1 (fr) | 2019-07-03 |
CN102245387B (zh) | 2014-06-04 |
CN102245387A (zh) | 2011-11-16 |
US9481163B2 (en) | 2016-11-01 |
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