EP0363803A2 - Dispositif d'entraînement individuel pour unités d'impression - Google Patents
Dispositif d'entraînement individuel pour unités d'impression Download PDFInfo
- Publication number
- EP0363803A2 EP0363803A2 EP89118405A EP89118405A EP0363803A2 EP 0363803 A2 EP0363803 A2 EP 0363803A2 EP 89118405 A EP89118405 A EP 89118405A EP 89118405 A EP89118405 A EP 89118405A EP 0363803 A2 EP0363803 A2 EP 0363803A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing units
- plates
- exchange
- plate
- driving system
- 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
Links
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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
- B41F13/0008—Driving devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
- B41P2213/10—Constitutive elements of driving devices
- B41P2213/20—Gearings
- B41P2213/208—Harmonic drive
Definitions
- the present invention relates to an individual driving system that is applicable to printing units in a printing machine.
- the mount positions of plates 3 (3a, 3b, 3c and 3d) mounted on the plate drums 2 in the printing unit 1 are different depending upon diameters D of the plate drums 2 (2a, 2b, 2c and 2d) and an interval L between the printing units (between units 1a and 1b), even if the mount position of the plate 3a is located at a position convenient for exchange of a plate in a certain printing unit, for instance, in a first color printing unit 1a, the mount positions of the plates in the other printing units are not always located at position convenient for exchange of a plate. Accordingly, in the prior art in each printing unit, after the mount position of a plate has been brought to a position convenient for exchange of a plate, exchange of a plate would be effected.
- color register a small-sized motor 31 is provided in place of a motor 13 in Fig. 1. Since this small-sized motor 31 and relevant parts thereof are identical to those shown in Fig. 4, they will be explained in connection to the preferred embodiment as will be described later.
- an individual driving system for printing units of a printing machine comprising drive sources and position control devices for individually operating printing units respectively provided with plate drums, and constructed in such manner that mount positions of plates equipped on the plate drums in the respective printing units can be moved to the positions where exchange of plates can be executed simultaneously in the respective printing units, and after finishment of exchange of plates, can be returned to the mechanically registered relative phases of the plate drums before execution of the exchange of plates.
- differential reduction gears for instance, a harmonic drive (Fig. 4) consisting of a web generator F corresponding to a sun gear, circular splines D and S corresponding to sun orbits, and a flex spline P corresponding to a planetary gear, is used.
- the motor is rotated at a high speed in order to calculate the positions where simultaneous exchange of plates is possible
- the plates in the respective printing units quickly occupy the positions convenient for exchange of plates (preset positions).
- the plate drums can be quickly returned to the positions where mechanical register is precisely established.
- drives of first mode, second mode and third mode it becomes possible to drive the differential gears by the line shaft and firmly fix the web generator, to fix the line shaft and drive the web generator by the motor, and to drive the differential gears by the line shaft while driving the web generator by the motor.
- the amount of rotation of the plate drums from the original positions (the mechanically registered positions) up to these simultaneous plate exchange positions, as well as the amount of return rotation of the plate drums after exchange of plates that corresponds to the above-mentioned amount of rotation, are counted.
- reference numeral 2 designates a plate drum
- numeral 3 designates a plate
- numeral 4 designates a line shaft
- numerals 5 and 6 respectively designate gears
- numeral 7 designates differential reduction gears
- numerals 8 and 9 respectively designate bevel gears
- numerals 10, 11 and 12 designate gears
- numeral 13 designates a high/low two-stage variable-speed reversible motor associated with a brake
- numerals 14, 15, 18 and 19 designate gears
- numeral 16 designates a fixed shaft (of the differential gears) connected to the motor 13 via the gears 14 and 15,
- numeral 17 designates an output shaft (of the differential gears)
- numeral 20 designates an electromagnetic clutch associated with a brake
- numeral 21 designates a color registering potentiometer
- numeral 22 designates a position detecting encoder
- numeral 23 designates a blanket drum
- reference character F designates a web generator of the differential gears 7
- the line shaft 4 rotationally drive the gear 12 of the plate drum 2 through the gears 5 and 6, the differential gears 7, the bevel gears 8 and 9 and the gear 10, and via the gear 11 of the blanket drum 23.
- the gear 14, the gear 15 meshed with this gear 14, and the web generator F of the differential gears 7 which are mounted at the axial end of the input shaft 16 having the gear 15 fixedly secured thereto, are rotated by the high/low two-stage variable-speed reversible motor 13 associated with a brake.
- the color registering potentiometer 21 is rotated by the motor 13 through the gears 18 and 19 and the electromagnetic clutch 20 associated with a clutch.
- the brake acts upon the motor 13(31) and firmly fixes the motor. Accordingly, the web generator F of the differential gears holds a fixed state, hence rotation of the line shaft 4 is transmitted to the gears 5 and 6, and reduced in speed by the differential gears 7, and rotates the gear 12 via the bevel gears 8 and 9 and the gears 10 and 11.
- an angular position of the plate drum in one revolution with respect to a given mechanical origin is detected by the encoder 22 provided on the plate drum or the blanket drum. While the electromagnetic clutch 20 takes the ON state, since the motor 13(31) is fixed, the potentiometer 21 would not operate (The above-mentioned is similar to the heretofore known driving system.).
- a brake acts upon the line shaft 4, hence the line shaft 4 is fixed, the motor 13 rotates at a high speed, the electromagnetic clutch 20 takes the OFF state, and so, the color registering potentiometer 21 would not move.
- the position detecting encoder 22 is fed with electric power, hence it counts the amount of rotation of the plate drum 2, and it transmits a signal representing the counted amount to a control device (not shown).
- the high-speed rotation of the motor 13 is transmitted through the gears 14 and 15, the web generator F of the differential gears 7, the circular spline D supported via a bearing, the flex spline P, the circular spline S and the output shaft 17 to which the circular spline S is fixedly secured, and via the bevel gears 8 and 9 to the gear 12.
- the mount positions of the plates 3 mounted on the plate drums 2 of the respective printing units would come to predetermined positions convenient for exchange of plates.
- the plate drums 2 are returned to their mechanically registered relative positions before the exchange of the plates.
- the motor 13 rotates at a high speed, and when the plate drum 2 has been rotated by the amount corresponding to the amount counted by the above-described position detecting encoder 22 through the same drive route as that upon the above-described simultaneous exchange of plates and thus returned to the original position, the rotation of the motor 13 is stopped. It is to be noted that control of the motor 13 so as to rotate normally when the counted amount exceeds 180 degrees but to rotate reversely when it is equal to or less than 180 degrees, is effected in the above-mentioned control device.
- this mode 2 driving is an inherent drive mode of the present invention which was not found in the prior art.
- the rotation of the line shaft 4 is transmitted to the gears 5 and 6, and is reduced in speed by the differential gears 7, and the gear 12 is rotated via the bevel gears 8 and 9 and the gears 10 and 11.
- the motor 13 rotates at a low speed, and rotates the web generator F via the gears 14 and 15. Accordingly, adjustment of register can be effected slowly.
- the color registering potentiometer 21 is rotated by the motor 13 through the gears 18 and 19 and the electromagnetic clutch 20 associated with a brake, and the amount of rotation is displayed on an indicator of the control device (in turns of a color register amount).
- the potentiometer 21 is braked by the brake of the clutch 20 so that it may not rotate too easily due to the rotation of the motor 13.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Rotary Presses (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63255816A JPH02103145A (ja) | 1988-10-13 | 1988-10-13 | 印刷ユニット単独駆動装置 |
JP255816/88 | 1988-10-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0363803A2 true EP0363803A2 (fr) | 1990-04-18 |
EP0363803A3 EP0363803A3 (en) | 1990-11-28 |
EP0363803B1 EP0363803B1 (fr) | 1994-08-10 |
Family
ID=17284024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89118405A Expired - Lifetime EP0363803B1 (fr) | 1988-10-13 | 1989-10-04 | Dispositif d'entraînement individuel pour unités d'impression |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0363803B1 (fr) |
JP (1) | JPH02103145A (fr) |
DE (1) | DE68917406T2 (fr) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0464309A2 (fr) * | 1990-05-28 | 1992-01-08 | WindmÀ¶ller & Hölscher | Machine à imprimer |
DE4223583A1 (de) * | 1992-07-17 | 1994-01-20 | Heidelberger Druckmasch Ag | Druckmaschine und Verfahren mit schnellem Plattenwechsel |
EP1260364A2 (fr) | 2001-05-23 | 2002-11-27 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour réduire le temps de préparation dans le changement des plaques d'impression |
US6644184B1 (en) | 1995-02-09 | 2003-11-11 | Man Roland Druckmaschinen Ag | Offset printing machine |
EP1362699A3 (fr) * | 2002-05-17 | 2004-06-30 | Koenig & Bauer Aktiengesellschaft | Méthode et dispositif pour échanger des plaques d'impression |
EP1362700A3 (fr) * | 2002-05-17 | 2004-06-30 | Koenig & Bauer Aktiengesellschaft | Méthode et dispositif pour échanger des plaques d'impression |
EP1645414A1 (fr) * | 2004-10-05 | 2006-04-12 | MAN Roland Druckmaschinen AG | Unité d'impression d'une machine d'impression et procédé pour changer la plaque d'un cylindre de plaque |
EP0699524B2 (fr) † | 1994-08-30 | 2009-11-11 | manroland AG | Machine rotative d'impression offset à bobines |
DE4245061B4 (de) * | 1992-07-17 | 2012-03-08 | Heidelberger Druckmaschinen Ag | Druckmaschine mit mehreren Plattenzylindern |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4604277B2 (ja) * | 2004-12-22 | 2011-01-05 | 三菱重工印刷紙工機械株式会社 | 印刷機の版排出時の版巻き込み防止方法及び装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB501876A (en) * | 1938-04-08 | 1939-03-07 | Allan John Cline | Driving mechanism for rotary printing presses |
EP0096565A2 (fr) * | 1982-06-04 | 1983-12-21 | Harris Graphics Corporation | Procédé et dispositif pour mesurer une position angulaire |
GB2149149A (en) * | 1983-10-28 | 1985-06-05 | Rockwell Graphic Syst | Printing press synchronization |
EP0318959A2 (fr) * | 1987-12-01 | 1989-06-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Système d'entraînement pour une presse rotative |
-
1988
- 1988-10-13 JP JP63255816A patent/JPH02103145A/ja active Pending
-
1989
- 1989-10-04 EP EP89118405A patent/EP0363803B1/fr not_active Expired - Lifetime
- 1989-10-04 DE DE1989617406 patent/DE68917406T2/de not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB501876A (en) * | 1938-04-08 | 1939-03-07 | Allan John Cline | Driving mechanism for rotary printing presses |
EP0096565A2 (fr) * | 1982-06-04 | 1983-12-21 | Harris Graphics Corporation | Procédé et dispositif pour mesurer une position angulaire |
GB2149149A (en) * | 1983-10-28 | 1985-06-05 | Rockwell Graphic Syst | Printing press synchronization |
EP0318959A2 (fr) * | 1987-12-01 | 1989-06-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Système d'entraînement pour une presse rotative |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0464309A3 (fr) * | 1990-05-28 | 1994-01-26 | Windmoeller & Hoelscher | |
EP0464309A2 (fr) * | 1990-05-28 | 1992-01-08 | WindmÀ¶ller & Hölscher | Machine à imprimer |
DE4223583B4 (de) * | 1992-07-17 | 2005-02-24 | Heidelberger Druckmaschinen Ag | Verfahren zum Antreiben beim Plattenwechsel bei einer Bogendruckmaschine und Antrieb zur Durchführung des Verfahrens |
DE4223583A1 (de) * | 1992-07-17 | 1994-01-20 | Heidelberger Druckmasch Ag | Druckmaschine und Verfahren mit schnellem Plattenwechsel |
DE4245061B4 (de) * | 1992-07-17 | 2012-03-08 | Heidelberger Druckmaschinen Ag | Druckmaschine mit mehreren Plattenzylindern |
US7159513B2 (en) | 1994-08-30 | 2007-01-09 | Man Roland Druckmaschinen Ag | Offset printing machine |
US6779446B2 (en) | 1994-08-30 | 2004-08-24 | Man Roland Druckmaschinen Ag | Offset printing machine |
US7146908B2 (en) | 1994-08-30 | 2006-12-12 | Man Roland Druckmaschinen Ag | Offset printing machine |
EP0699524B2 (fr) † | 1994-08-30 | 2009-11-11 | manroland AG | Machine rotative d'impression offset à bobines |
US6644184B1 (en) | 1995-02-09 | 2003-11-11 | Man Roland Druckmaschinen Ag | Offset printing machine |
EP1260364A3 (fr) * | 2001-05-23 | 2004-01-14 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour réduire le temps de préparation dans le changement des plaques d'impression |
EP1260364A2 (fr) | 2001-05-23 | 2002-11-27 | Heidelberger Druckmaschinen Aktiengesellschaft | Procédé pour réduire le temps de préparation dans le changement des plaques d'impression |
EP1362699A3 (fr) * | 2002-05-17 | 2004-06-30 | Koenig & Bauer Aktiengesellschaft | Méthode et dispositif pour échanger des plaques d'impression |
EP1362700A3 (fr) * | 2002-05-17 | 2004-06-30 | Koenig & Bauer Aktiengesellschaft | Méthode et dispositif pour échanger des plaques d'impression |
EP1645414A1 (fr) * | 2004-10-05 | 2006-04-12 | MAN Roland Druckmaschinen AG | Unité d'impression d'une machine d'impression et procédé pour changer la plaque d'un cylindre de plaque |
US7497163B2 (en) | 2004-10-05 | 2009-03-03 | Man Roland Druckmaschinen Ag | Printing unit of a printing press and method for carrying out a printing-plate change on a forme cylinder of a printing unit |
Also Published As
Publication number | Publication date |
---|---|
DE68917406T2 (de) | 1995-01-05 |
EP0363803A3 (en) | 1990-11-28 |
DE68917406D1 (de) | 1994-09-15 |
EP0363803B1 (fr) | 1994-08-10 |
JPH02103145A (ja) | 1990-04-16 |
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