EP1046501A1 - Dispositif pour contrôler la position des plaques d'impression sur cylindres porte-plaques des machines d'impression - Google Patents

Dispositif pour contrôler la position des plaques d'impression sur cylindres porte-plaques des machines d'impression Download PDF

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Publication number
EP1046501A1
EP1046501A1 EP00107564A EP00107564A EP1046501A1 EP 1046501 A1 EP1046501 A1 EP 1046501A1 EP 00107564 A EP00107564 A EP 00107564A EP 00107564 A EP00107564 A EP 00107564A EP 1046501 A1 EP1046501 A1 EP 1046501A1
Authority
EP
European Patent Office
Prior art keywords
plate
plate cylinder
printing
stop
signal transmitter
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
EP00107564A
Other languages
German (de)
English (en)
Other versions
EP1046501B1 (fr
Inventor
Michael Rother
Peter Biernot
Helmut Schild
Thomas Kleinschmitt
Johannes Tenfelde
Franz Reiner
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1046501A1 publication Critical patent/EP1046501A1/fr
Application granted granted Critical
Publication of EP1046501B1 publication Critical patent/EP1046501B1/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
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/02—Arrangements of indicating devices, e.g. counters

Definitions

  • the invention relates to a device for checking the position of printing plates the plate cylinder of printing machines, in particular sheetfed offset printing machines according to the preamble of claim 1.
  • EP 0 551976 B1 is a device for attaching a plate on the Known plate cylinder of a printing press, in which the register Position of the printing plate by interacting with punched holes on the printing plate edge electrically queryable register stops is determined.
  • Stop pins formed in stops or parts of the register pins are electrical insulated from the plate cylinder, so that by contact with the electrical conductive pressure plate a circuit is closed.
  • the signals of the register pins are an evaluation unit arranged outside the plate cylinder feedable, through which the correct position of the printing plate on a Display device can be displayed.
  • the disadvantage here is that the corresponding contact surfaces on the plate cylinder as well as the contact rollers interacting with the contact surfaces in particular can contaminate with printing ink, so that a safe drainage the signals are not always guaranteed. A correct position of the plate on the plate cylinder would therefore no longer be displayable.
  • the object of the present invention is therefore a device for controlling the correct position of printing plates on the plate cylinder of printing machines to develop in such a way according to the preamble of claim 1 so that an interference-free determination while avoiding the disadvantages mentioned above the position of the pressure plate is possible.
  • the signal generator outside the plate cylinder mounted on a suspension fixed to the frame and in one for feeding a new pressure plate to the plate cylinder provided at the angular position Plate cylinder can be switched off, alignment means being provided by which the signal generator in a defining position with respect to the plate cylinder is spendable.
  • the signaling device suspension and the signaling device temporarily (during of feeding the new pressure plate) receiving fastening device for the pressure plate edge are designed such that the signal transmitter a registering the correct position of the printing plate on the plate cylinder Takes position.
  • the signal transmitter preferably has a centering tip on, which with a corresponding hole on the plate cylinder or the Fastening device for the pressure plate cooperates.
  • the signal generator is arranged outside the plate cylinder and only temporarily on the plate cylinder, it is possible to use the evaluation unit to be connected directly to the signal transmitter (e.g. at the stop) (permanent Line connection). This eliminates additional contact surfaces which the Contamination subject.
  • FIGS. 1 and 2 show part of a plate cylinder 2 with one mounted therein and designed as a rail fastening device 3 for the beginning of printing associated edge of a printing plate 1 (Fig. 2).
  • the as a clamping rail trained fastening device 3 has in the area of the top Recess on so that the stop 4 directly with one on the bottom of the Detection area (clamping gap) 5 arranged contour 6 cooperate can.
  • the stop 4 is on attached pivotable end of a suspension 7 designed as a lever, which around an axis 8 running parallel to the axis of the plate cylinder 2 is stored During normal printing, the suspension 7 with the Stop 4 off the plate cylinder 2 and is in the rest position.
  • the stop For feeding a new printing plate 1 into the opened detection area 5 the stop is via actuators not shown in the figures the suspension 7 on the plate cylinder 2, so that a centering 8th at the end of the stop 4 into the corresponding contour 6 the fastening device 3 can be inserted.
  • This is how the stop 4 experiences 2, so that the stop 4 adjacent printing plate 1 thereby a register position on the plate cylinder 2 experiences.
  • the stop 4 is for example designed as a register pin and has an electrically interrogable Contact as signal generator 9.
  • This contact can be considered an electrical Insulated area be formed so that the system of the pressure plate 1 (the Pressure plate 1 with a corresponding U-shaped punch) a current flow evokes.
  • the contact is permanent (line) with the downstream evaluation unit 10 connected.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Screen Printers (AREA)
  • Rotary Presses (AREA)
EP00107564A 1999-04-22 2000-04-07 Dispositif pour contrôler la position des plaques d'impression sur cylindres porte-plaques des machines d'impression Expired - Lifetime EP1046501B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29907122U 1999-04-22
DE29907122U DE29907122U1 (de) 1999-04-22 1999-04-22 Einrichtung zur Kontrolle der Lage von Druckplatten auf den Plattenzylinder von Druckmaschinen

Publications (2)

Publication Number Publication Date
EP1046501A1 true EP1046501A1 (fr) 2000-10-25
EP1046501B1 EP1046501B1 (fr) 2007-05-30

Family

ID=8072537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107564A Expired - Lifetime EP1046501B1 (fr) 1999-04-22 2000-04-07 Dispositif pour contrôler la position des plaques d'impression sur cylindres porte-plaques des machines d'impression

Country Status (4)

Country Link
EP (1) EP1046501B1 (fr)
JP (1) JP3380209B2 (fr)
AT (1) ATE363392T1 (fr)
DE (2) DE29907122U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061912A1 (de) * 2005-12-23 2007-07-05 Koenig & Bauer Aktiengesellschaft Vorrichtung und Verfahren zur Detektion der Lage einer Druckplatte in einer Druckmaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0555782A1 (fr) * 1992-02-10 1993-08-18 Komori Corporation Dispositif pour confirmer la condition d'insertion d'une plaque d'impression
EP0551976B1 (fr) * 1992-01-17 1996-07-03 Komori Corporation Dispositif pour monter une plaque sur un cylindre porte-plaque

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551976B1 (fr) * 1992-01-17 1996-07-03 Komori Corporation Dispositif pour monter une plaque sur un cylindre porte-plaque
EP0555782A1 (fr) * 1992-02-10 1993-08-18 Komori Corporation Dispositif pour confirmer la condition d'insertion d'une plaque d'impression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061912A1 (de) * 2005-12-23 2007-07-05 Koenig & Bauer Aktiengesellschaft Vorrichtung und Verfahren zur Detektion der Lage einer Druckplatte in einer Druckmaschine

Also Published As

Publication number Publication date
DE29907122U1 (de) 1999-07-01
EP1046501B1 (fr) 2007-05-30
JP3380209B2 (ja) 2003-02-24
ATE363392T1 (de) 2007-06-15
JP2000313101A (ja) 2000-11-14
DE50014356D1 (de) 2007-07-12

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