EP0860274A1 - Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine - Google Patents

Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine Download PDF

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Publication number
EP0860274A1
EP0860274A1 EP96402560A EP96402560A EP0860274A1 EP 0860274 A1 EP0860274 A1 EP 0860274A1 EP 96402560 A EP96402560 A EP 96402560A EP 96402560 A EP96402560 A EP 96402560A EP 0860274 A1 EP0860274 A1 EP 0860274A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
group
cylinders
input
strip
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
EP96402560A
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English (en)
French (fr)
Other versions
EP0860274B1 (de
Inventor
Serge Chiloff
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.)
ATN
Original Assignee
D'ETUDE DE MACHINES POUR LES ARTS GRAPHIQUES Ste
D'etude De Machines Pour Les Arts Graphiques Ste
SEMPAG SA
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 D'ETUDE DE MACHINES POUR LES ARTS GRAPHIQUES Ste, D'etude De Machines Pour Les Arts Graphiques Ste, SEMPAG SA filed Critical D'ETUDE DE MACHINES POUR LES ARTS GRAPHIQUES Ste
Priority to EP19960402560 priority Critical patent/EP0860274B1/de
Priority to DE1996603202 priority patent/DE69603202T2/de
Publication of EP0860274A1 publication Critical patent/EP0860274A1/de
Application granted granted Critical
Publication of EP0860274B1 publication Critical patent/EP0860274B1/de
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
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/038—Controlling transverse register of web by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web

Definitions

  • This invention aims, while making it very easy to online setting of a scrolling machine of a strip material, machine composed of several groups successive work, to simplify its construction and usually group three functions into a single mechanism separate: alignment, longitudinal marking and marking lateral. These functions are particularly important in printing machines, especially rotary.
  • a rotary machine for example a rotogravure press
  • printing a strip material when this goes from one cylinder to another and that these two cylinders are not perfectly parallel, the outer fibers of the strip are not stretched with the same constraint and therefore do not are not in balance.
  • the cylinder of exit from a previous group be parallel to the cylinder of next group.
  • These two cylinders should not be necessarily in the same plane. Indeed if there is between their axes a small angle in a projection on a plane parallel to the two cylinders, the strip of material will find easily an equilibrium position, so that the outer fibers are stretched with the same stress. he it is obvious in this case that the tensions of the fibers fibers will be stronger than the tension of the fiber median.
  • the difference in voltage will be all the greater as the angle projected on a plane parallel to the two cylinders will be tall.
  • the longitudinal tracking function is generally obtained by means of a movable return cylinder, called a register.
  • the register mechanism is integrated into the group and movement of the cylinder can be manual or motorized. In this last In this case, it is possible to make automatic tracking by means of an electronic servomechanism.
  • This system has the drawback, on the one hand, of lengthening the band between two groups and therefore increase the system time constant and on the other hand to do vary the length of the tape in the machine, following corrections, which has the effect of modifying unnecessarily the identification of colors consecutive to that which has just been corrected.
  • the printing units can be securely fixed to the ground, the engraved cylinders can be rigidly mounted between the machine frames, the play in transmissions can be minimized and length tape can be as short as in a machine, which tracking is carried out by means of a differential.
  • the line-up device of a strip used in a rotary printing machine comprising at least two printing units each provided an inlet cylinder and an outlet cylinder for the strip is characterized in that the outlet cylinder of a first group is connected to the input cylinder of a second group to form a deformable parallelogram and in this that at least the output and input cylinders of each group are respectively linked to mechanisms of displacement.
  • Fig. 1 is a schematic elevation of the device the invention implemented in a set of two groups printing.
  • Fig. 2 is a plan seen from above corresponding to FIG. 1.
  • Figs. 2A to 2D are enlarged partial views of parts A, B, C and D surrounded in fig. 2.
  • Fig. 3 is a plan seen from above similar to FIG. 2 and illustrating characteristic positions of groups printing.
  • the tape leaves the dryer by wrapping around the cylinder 6 and leaves the group by cylinder 7. It enters the group following by cylinder 8 and in this group follows a identical route to that followed in the previous group.
  • Fig. 2 is a top view showing the cylinders 7 and 8. These cylinders turn mad on their axes 9 and 10; they can be moved in a horizontal plane by rotating around the vertical pivot 11 (fig. 2C) and the vertical pivot sliding 12 (fig. 2D) and sliding in the guides or slides 13 and 14, which can be seen in fig. 1.
  • Axes 9 and 10 are connected by connecting rods 15 and 16, the lengths are strictly identical. These connecting rods are linked to axes 9 and 10 by means of ball joints 17, 18, 19 and 20.
  • the pivot 12 and the slide 14 are mounted on a support assembly 21 visible in FIG. 1 and who moves vertically relative to supports 22 and 23.
  • the supports 22 and 23 carry the pivot 24 and the slide 25 of the cylinder 26, identical to cylinder 7 and by which the strip leaves the second group.
  • the horizontal displacement of the cylinder 7 can be carried out by a flywheel or by a servomotor 27 (fig. 1).
  • the vertical movement of the support assembly 21 can be carried out by a handwheel or by the servomotor 28 (fig. 1).
  • the two servomotors 27 and 28 are shown on the front of the groups on the operator side but they can just as well be mounted on the opposite side, without it changing the description of operation. In this case, the figures would be symmetrical.
  • the set of cylinders 7 and 8 and connecting rods 15 and 16 constitutes a deformable parallelogram.
  • this parallelogram is a rectangle and the strip of material 29 which leaves the cylinder 7 along an axis perpendicular to it is brought to cylinder 8 too along the perpendicular axis of the latter.
  • the path of the strip is will do without more constraint on it than if the two groups were perfectly aligned because the band 29 connects two cylinders 7 and 8 parallel, although they are not perfectly located in the same plane and part 30 of the strip connects two cylinders 8 and 31 of the second group which are parallel by construction.
  • Aligning a machine can be done much more quickly and with much freer tolerances than those that are generally necessary.
  • this alignment can be done without major concern for possible movements of groups in the future due to ground movements for example because, whatever happens, the strip path thanks to the guaranteed parallelism of the cylinders 7 and 8, on the one hand, and 8 and 31, on the other hand, will be always without constraint. You just have to move horizontally the cylinder 7 to bring the strip of material in the middle axis of the second group. Whereas in a conventional press, it would be necessary to carry out a new alignment.
  • This same horizontol movement of cylinder 7 can be used to move the tape printed by the first group in the next group and therefore adjust the lateral marking colors without the need to move in the axially neither the engraved cylinder 32 nor the entire second printing group.
  • the set of cylinders 7 and 8 and connecting rods 15 and 16 will be deformed into a parallelogram without the band 29 being constrained because the two cylinders 7 and 8 always remain parallel.
  • the passage of the tape is as direct as in a group whose identification is adjusted by means of a differential and does not have the disadvantage of winding and the additional elongation that we encounter with a register integrated into the group.
  • the invention is described in relation to a set of two groups printing according to the process rotogravure. It is obvious that this number is not limiting and that a greater number of printing groups can be aligned to form a press. Likewise, the following description is not limited to the process rotogravure. It can be applied to any other process using a similar strip passage and working by successive operations on the running of this strip.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP19960402560 1996-11-27 1996-11-27 Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine Expired - Lifetime EP0860274B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19960402560 EP0860274B1 (de) 1996-11-27 1996-11-27 Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine
DE1996603202 DE69603202T2 (de) 1996-11-27 1996-11-27 Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19960402560 EP0860274B1 (de) 1996-11-27 1996-11-27 Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP0860274A1 true EP0860274A1 (de) 1998-08-26
EP0860274B1 EP0860274B1 (de) 1999-07-07

Family

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Family Applications (1)

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EP19960402560 Expired - Lifetime EP0860274B1 (de) 1996-11-27 1996-11-27 Vorrichtung zum Ausrichten einer Bahn zur Verwendung in einer Rotationsdruckmaschine

Country Status (2)

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EP (1) EP0860274B1 (de)
DE (1) DE69603202T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340232A (en) * 1998-07-31 2000-02-16 Hewlett Packard Co Detecting fluid levels in a container
EP1213142A2 (de) * 2000-12-07 2002-06-12 Heidelberger Druckmaschinen Aktiengesellschaft Walzenpaaranordnung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4982313B2 (ja) * 2007-09-20 2012-07-25 リョービ株式会社 転写用フィルムの巻取り方法及び印刷用紙への転写装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744927C (de) * 1939-12-12 1944-02-22 Vomag Vogtlaendische Maschinen Registerstellvorrichtung fuer Rotationsdruckmaschinen, insbesondere Rotationstiefdruckmaschinen
US3373288A (en) * 1965-08-26 1968-03-12 Web Press Eng Inc Photosensitive web shifting apparatus
US4069959A (en) * 1976-10-27 1978-01-24 Butler Automatic, Inc. Web guide apparatus
GB2190042A (en) * 1986-05-01 1987-11-11 Rofrep Ltd Multicolour printing of successive images on elongate web
WO1994020299A1 (fr) * 1993-03-09 1994-09-15 Seroma Dispositif de reglage d'un groupe d'une machine d'impression flexographique
EP0683123A1 (de) * 1994-05-20 1995-11-22 De La Rue Giori S.A. Rotations-Rollendruckmaschine mit einer Registervorrichtung zum Ausrichten der Papierbahn

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744927C (de) * 1939-12-12 1944-02-22 Vomag Vogtlaendische Maschinen Registerstellvorrichtung fuer Rotationsdruckmaschinen, insbesondere Rotationstiefdruckmaschinen
US3373288A (en) * 1965-08-26 1968-03-12 Web Press Eng Inc Photosensitive web shifting apparatus
US4069959A (en) * 1976-10-27 1978-01-24 Butler Automatic, Inc. Web guide apparatus
GB2190042A (en) * 1986-05-01 1987-11-11 Rofrep Ltd Multicolour printing of successive images on elongate web
WO1994020299A1 (fr) * 1993-03-09 1994-09-15 Seroma Dispositif de reglage d'un groupe d'une machine d'impression flexographique
EP0683123A1 (de) * 1994-05-20 1995-11-22 De La Rue Giori S.A. Rotations-Rollendruckmaschine mit einer Registervorrichtung zum Ausrichten der Papierbahn

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340232A (en) * 1998-07-31 2000-02-16 Hewlett Packard Co Detecting fluid levels in a container
US6274880B1 (en) 1998-07-31 2001-08-14 Hewlett-Packard Company Fluid level sensing system and method having controlled surface pairs
GB2340232B (en) * 1998-07-31 2003-09-03 Hewlett Packard Co Method and apparatus for detecting fluid level in a fluid container
EP1213142A2 (de) * 2000-12-07 2002-06-12 Heidelberger Druckmaschinen Aktiengesellschaft Walzenpaaranordnung
EP1213142A3 (de) * 2000-12-07 2003-03-19 Heidelberger Druckmaschinen Aktiengesellschaft Walzenpaaranordnung

Also Published As

Publication number Publication date
DE69603202T2 (de) 2000-05-18
EP0860274B1 (de) 1999-07-07
DE69603202D1 (de) 1999-08-12

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