EP0982126B1 - Alimentation en courant pour un cylindre d'une machine à imprimer - Google Patents

Alimentation en courant pour un cylindre d'une machine à imprimer Download PDF

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Publication number
EP0982126B1
EP0982126B1 EP99114573A EP99114573A EP0982126B1 EP 0982126 B1 EP0982126 B1 EP 0982126B1 EP 99114573 A EP99114573 A EP 99114573A EP 99114573 A EP99114573 A EP 99114573A EP 0982126 B1 EP0982126 B1 EP 0982126B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
printing press
switch
switching device
contacts
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.)
Expired - Lifetime
Application number
EP99114573A
Other languages
German (de)
English (en)
Other versions
EP0982126A1 (fr
Inventor
Christopher Muth
Michael Rother
Helmut Schild
Peter Biernot
Franz Reiner
Thomas Beutler
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 EP0982126A1 publication Critical patent/EP0982126A1/fr
Application granted granted Critical
Publication of EP0982126B1 publication Critical patent/EP0982126B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
    • 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
    • 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
    • B41P2213/30—Rotary energy transmitters, i.e. electric energy couplers

Definitions

  • the invention relates to a power supply for a printing press cylinder according to the preamble of claim 1.
  • DE 298 08 098 and DE 298 08 099 are devices for register control known for the cylinder of a printing press, in which the signals electrically interrogated register pins by radio waves or by means of optical signals be led out of the cylinder.
  • evaluation and Signaling devices are provided, which with a power supply in Connect.
  • the power supply can be a battery or rechargeable Battery be trained.
  • a register control system is known in which a battery / in the cylinder Accumulator is arranged, by means of the electrically connected with lamps queryable register pins are operable.
  • This register control system serves the Control of printing plates / printing forms to be mounted by hand, whereby here If the power source needs to be switched on or off using a manually operated switch is switched off.
  • Such a register control device is in particular from known from DE 77 28 905 U1.
  • a device for register control known from the above-mentioned document cannot be used in an automated printing plate changing system use as the break contact (switch) for switching the Power source to be operated by hand.
  • an automatic printing plate changing system is used to check the register by means of electrically interrogable register pins in particular, after the proper installation of a printing plate to automatically close the clamping device assigned to the start of printing.
  • the object of the present invention is therefore to provide a power supply for one Printing machine cylinder according to the preamble of claim 1 expand, so that a power supply can be activated if necessary.
  • This object is achieved by the characterizing features of claim 1. Further developments of the invention result from the subclaims.
  • the automatically triggering switching device is designed as a mercury switch, in which a drop of mercury in a Glass tube in the manner of a dragonfly with contacts embedded in the glass of the tube interacts.
  • the glass tube (dragonfly) has a curved shape (analogous to a spirit level), so that if this is arranged accordingly Glass tube with the mercury drop arranged inside the two of them spaced metal contacts only in one position of the cylinder electrically be bridged (connected) in a conductive manner.
  • a switching device designed in this way also triggers when the machine is running not every time at the corresponding angular position, because deformed by the centrifugal force of the mercury drops inside the glass tube is so that there is no electrical connection of the two contacts comes.
  • a mass movable about a hinge point has, which is provided by spring elements in the release Position of the cylinder is held in the closed position of the contact. differs the position of the cylinder from the position intended for switching, so the mass opens the correspondingly assigned contact, so that the power supply is disconnected from the electricity consumer. Even when the machine is running assigned contact opened because the centrifugal force deflects the mass.
  • the Embodiments of the present invention explained below are two Earth switch rotated by 180 ° to each other and the corresponding Contacts connected in series. This ensures that one mass at a time a switch contact in the corresponding cylinder position by gravity is closed, the switching contact arranged rotated by 180 ° to it (with mass) due to the spring load in the top point position Switch contact closes.
  • the switching device 2 consists of an arcuate Glass tube 7 like a dragonfly, which with a small amount of a electrically conductive liquid 8 (mercury) is filled. This clearly shows Glass tubes 7 have an expansion at both ends to accommodate the electrically conductive liquid 8.
  • the glass tube 7 with the electrically conductive liquid 8 contained therein is arranged in the cylinder 1 so that the lowest point of the arcuate Tube exactly in the intended for switching the switching device 2 Position of cylinder 1 is assumed.
  • FIG. 1 shows the corresponding arrangement of the tube 7.
  • the lowest point and thus the switching position assigned by the electrically conductive liquid 8 are two metallic Contacts 5, 6 embedded, which in the position of the cylinder shown in Figure 1 1 can be bridged by the liquid 8.
  • the electrically conductive liquid 8 thus closes the circuit between the power consumer 4 and the power source Third
  • the contacts 5, 6 are thus not connected to one another in an electrically conductive manner, so that the current source 3 is disconnected from the power consumer 4.
  • the electrically conductive becomes due to the centrifugal forces Liquid 8 pressed to the bottom of the tube 7, the amount of electrically conductive liquid 8 is dimensioned so that in this too If the contacts 5, 6 do not dip into the electrically conductive liquid 8 and are not electrically connected to each other. This ensures that at rotating cylinder also during the passage through for switching intended target position, the switching device 2 according to the invention is open, the current source 3 thus remains decoupled from the current consumer (FIG. 3).
  • FIGs 4 and 5 show a further embodiment of the invention Switching device 2.
  • This switching device 2 consists of a pair by one Joint 11, 12 movably mounted masses 9, 10, the masses 9, 10 each spaced like a pendulum around a hinge 10, 11 and as in Figure 4 indicated are arranged in an arrangement offset by 180 ° to each other.
  • the masses 9, 10 are assigned springs 13, 14, by means of which the masses 9, 10 in the intended position of the cylinder 1 for switching in a provided rest position are kept ( Figure 4).
  • the masses 9, 10 are as Opener trained switching contacts 15, 16 assigned by which in the Switch provided angular position of the cylinder 1, the power source 3 with the Electricity consumer 4 is connected.
  • the switching contacts 15, 16 are in series connected.
  • the series connection of the switching contacts 15, 16 causes in an angular position of the cylinder 1, which is not the intended target angular position of the cylinder 1 corresponds to or opening of at least one of the cylinders 1 when rotating Switch contacts 15, 16 so that the power source 3 is separated from the power consumer is. This is done by opening at least one of the switch contacts 15, 16 the centrifugal force or weight on one of the masses 9, 10, as shown in FIG. 5 is indicated.
  • the springs 13, 14 can have damping elements (not shown) be assigned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Claims (6)

  1. Cylindre de machine à imprimer avec une alimentation en courant, en particulier un cylindre porte-plaque ou un cylindre porte-cliché d'une rotative offset à feuilles, comprenant une source de courant (3), ainsi qu'un consommateur de courant (4) relié à cette dernière par l'intermédiaire d'un commutateur (5), la source de courant (3), le commutateur (5), ainsi que le consommateur de courant (4) étant disposés à l'intérieur du cylindre (1),
    caractérisé en ce que le commutateur est conçu sous forme de dispositif de commutation (2) à déclenchement automatique dans une position donnée du cylindre (1) pendant l'arrêt du cylindre (1).
  2. Cylindre de machine à imprimer selon la revendication 1,
    caractérisé en ce que le dispositif de commutation (2) comporte un petit tube (7) contenant un liquide (8) électro-conducteur, par lequel des contacts (5, 6) insérés dans le petit tube (7) sont reliés par une liaison électro-conductrice dans une position donnée du cylindre (1).
  3. Cylindre de machine à imprimer selon la revendication 2,
    caractérisé en ce que le petit tube (7) contenant le liquide (8) électro-conducteur présente une forme courbe.
  4. Cylindre de machine à imprimer selon la revendication 2 ou 3,
    caractérisé en ce que le liquide (8) électro-conducteur est du mercure.
  5. Cylindre de machine à imprimer selon la revendication 1,
    caractérisé en ce que le dispositif de commutation (2) comporte deux masses (9, 10) appariées, susceptibles de tourner autour d'articulations (11, 12) et maintenues par des ressorts (13, 14) associés, lesquelles masses sont couplées avec des contacts (15, 16) montés en série.
  6. Cylindre de machine à imprimer selon la revendication 5,
    caractérisé en ce que les deux masses (9, 10) sont décalées de 180° l'une par rapport à l'autre dans leur disposition autour des articulations (11, 12).
EP99114573A 1998-08-28 1999-07-24 Alimentation en courant pour un cylindre d'une machine à imprimer Expired - Lifetime EP0982126B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29815442U DE29815442U1 (de) 1998-08-28 1998-08-28 Stromversorgung für einen Druckmaschinenzylinder
DE29815442U 1998-08-28

Publications (2)

Publication Number Publication Date
EP0982126A1 EP0982126A1 (fr) 2000-03-01
EP0982126B1 true EP0982126B1 (fr) 2002-09-04

Family

ID=8061894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114573A Expired - Lifetime EP0982126B1 (fr) 1998-08-28 1999-07-24 Alimentation en courant pour un cylindre d'une machine à imprimer

Country Status (4)

Country Link
EP (1) EP0982126B1 (fr)
JP (1) JP2000071431A (fr)
AT (1) ATE223310T1 (fr)
DE (2) DE29815442U1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7728905U1 (de) * 1977-09-17 1979-01-04 Register System Gmbh, 8000 Muenchen Vorrichtung zum registerhaltigen ausrichten von druckplatten
DE29808098U1 (de) * 1998-05-06 1998-07-16 MAN Roland Druckmaschinen AG, 63075 Offenbach Einrichtung zur Registerkontrolle

Also Published As

Publication number Publication date
ATE223310T1 (de) 2002-09-15
DE59902529D1 (de) 2002-10-10
EP0982126A1 (fr) 2000-03-01
JP2000071431A (ja) 2000-03-07
DE29815442U1 (de) 1998-12-17

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