EP0841160B1 - Transmission de signaux dans une machine d'impression - Google Patents

Transmission de signaux dans une machine d'impression Download PDF

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Publication number
EP0841160B1
EP0841160B1 EP97119302A EP97119302A EP0841160B1 EP 0841160 B1 EP0841160 B1 EP 0841160B1 EP 97119302 A EP97119302 A EP 97119302A EP 97119302 A EP97119302 A EP 97119302A EP 0841160 B1 EP0841160 B1 EP 0841160B1
Authority
EP
European Patent Office
Prior art keywords
transmission
electrically conductive
transformer
cylinder
transmission channel
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
EP97119302A
Other languages
German (de)
English (en)
Other versions
EP0841160A1 (fr
Inventor
Heiner Sirowitzki
Frank Schönfeld
Thomas Petry
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8031703&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0841160(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0841160A1 publication Critical patent/EP0841160A1/fr
Application granted granted Critical
Publication of EP0841160B1 publication Critical patent/EP0841160B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
    • H01R39/30—Liquid contacts
    • 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
    • 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

Definitions

  • the invention relates to a signal transmission device within a printing press according to the Preamble of claim 1.
  • a multitude of electrical energy which can be controlled by means of electrical signals and, in turn, generate electrical signals in accordance with measured values recorded Known to consumers.
  • those in the area of the gripper device are more leading Cylinder mounted sheet control device called, by means of which It can be determined whether a sheet is correctly gripped by the gripper device or whether it forms a sheet next cylinder / drum has been handed over.
  • Such a sheet control device forms electrically evaluable signals according to a correctly determined sheet position, which from the rotating cylinder to a stationary or frame-fixed processing device must be transferred.
  • DE 4 222 827 C2 describes a rotary printing press with remote adjustment of positioning motors known in which the control of a servomotor within the cylinder is carried out via a ring antenna running coaxially to the cylinder axis machine-fixed HF transmitter interacts.
  • the disadvantage here is that for the transmission an additional electrical energy of the servomotor arranged in the cylinder Rotation transmission is necessary.
  • Another disadvantage is that between the machine-fixed RF transmitter on the one hand and the ring antenna on the cylinder on the other hand a sufficiently firm coupling a secure transmission of the RF signals is to be provided, but also shielding such that other RF sources cannot interfere with this transmission.
  • the rotary transmission is also for Actuators of remote register adjustment using slip ring rotary transmitters mentioned.
  • This Generally known transmission devices use spring-loaded or according to Art contacts formed by brushes, which have contact surfaces moved relative to these work together.
  • a disadvantage of this type of energy or signal transmission is that transmitted voltages or signals with a not insignificant interference voltage be overlaid. This is due to the wear and tear of those interacting with each other Contacts subject to surface texture and will still further due to the accumulation of foreign substances such as dust, abrasion particles and the like in not changed in a defined way.
  • For energy transmission when the demands are not so high with regard to the constant voltage and the required freedom from harmonics such transmission systems can be used, but not in the field of signal transmission, as this is especially the case with real-time controlled position reporting systems or positioning drives the case is.
  • DE 4 129 373 C2 describes a device for register adjustment on a plate cylinder a printing press known, the energy and signal transmission in the cylinder arranged servomotors together with position indicators known from EP 0 374 749 A1 Rotation transformer is used. About communicating with each other Windings of this rotary transformer are used both for the electrical energy Servomotors as well as from a controller located outside the cylinder to the Actuators sent or signals sent back from the actuators to the controller headed.
  • a disadvantage of these non-contact and therefore none mechanical wear-subject transmission system is that a sufficient fixed coupling of the current consumers arranged in the rotating cylinder or drum or signal receiver / signal sources is only given if the air gap between the yokes connecting the windings to each other sufficiently small and further is also not subject to tolerance (wobble).
  • the signals to be transmitted must be modulated on one or more predetermined carrier frequencies in this system be, so that there are capacity limits especially in a multi-channel transmission system surrender.
  • no permanent checking of the Functionality or the functional state of the transmission possible is also the case.
  • a transmitter for signals / voltages is known, in which one electrically conductive liquid is used.
  • This electrically conductive liquid is preferred Mercury.
  • the object of the present invention is therefore a data transmission according to the preamble of Claim 1 to expand in such a way that a simple, inexpensive and wear-free Energy and / or signal transmission between a stationary data reception and transmitting device and arranged in a rotating cylinder / drum Signal receivers / signal transmitters is guaranteed.
  • an electrically conductive liquid is used, which in electrically conductive connection with one attached to the rotating component and with a stationary, non-rotating contact surface.
  • the electrically conductive liquid it is preferably mercury, which in particular consists of Plastic-made housing protected against any kind of leakage (leakage, evaporation) is.
  • the rotary transformer provided according to the invention is on one or both ends Ends of the pins carrying the cylinder or the rotating drum coaxial to Axis of the cylinder / drum set and can according to the internal structure (Number of chambers containing the electrically conductive liquid) a number of to realize electrical power supply and data transmission channels.
  • the internal structure Numberer of chambers containing the electrically conductive liquid
  • the data and energy transmission according to the invention can be used in a large number of applications be realized within a printing press. So it is possible with a bow-leading Cylinder sensors / measuring devices that detect a correct sheet position with an evaluation device arranged outside the cylinder of the drum connect.
  • the sheet position can also be via the transformer according to the invention on the sheet-guiding cylinder / the sheet-guiding drum corrective adjusting devices preferably operated depending on the detected signals.
  • the position indicators connected to the servomotors can be connected via the transformer according to the invention for signal transmission his.
  • a number of servomotors can be provided, both of which are required for their actuation electrical energy as well as the control commands required for execution via the inventive Receive transformer. It is particularly possible with register corrections via appropriate servomotors, the printing plate or the printing form when rotating To move cylinders, the signals of the position detectors coupled with the servomotors can be evaluated.
  • the inventive method can also be used to control the print quality during the printing process
  • Transformers are used. So it is possible within an arc Cylinder / within a sheet-guiding drum, a camera for at least some areas Arrange quality inspection and the video signals supplied by the camera to lead out of the rotating cylinder via the transformer according to the invention.
  • Means Such a camera arranged in the cylinder / drum can both Print quality in terms of shape and color of the print as well as the accuracy of fit printed partial images (register control) can be checked.
  • Another application for the transformer according to the invention arises in particular due to the fact that with this transformer the connected device is galvanically are firmly connected and thus a delay-free review of the Transmission system is possible at any time. So on the rotating cylinder or on one other rotating device of the printing press with the cylinder or this Device revolving light barrier can be provided as protection against contact or entry.
  • the light barriers rotating with the cylinder or the rotating component can especially with limited machine run commands, e.g. when washing the Cylinders can be activated by hand or other service or maintenance work.
  • Fig. 1 shows a cylinder of a printing machine, not shown, over both Pin is rotatably mounted in two indicated frame walls.
  • stations 4 Inside the cylinder are rotating stations 4, for example in the form of servomotors and position indicators or other data acquisition systems arranged.
  • the stations 4 within the Cylinders 1 are stationary with an outside of the cylinder via line systems shown arranged stations 5 and a voltage supply 6 connected.
  • the power supply 6 and the stations 4 arranged inside the cylinder 1 is at one End face of a pin 2 of the cylinder 1, a transformer 3 arranged, the further is explained with reference to Figures 2 and 3 in terms of structure and function.
  • transformer 3 shows the principle of the transmission 3 according to the invention Pin 2 arranged coaxially to the axis of the cylinder 1, not shown, transformer 3 consists of a cylindrical bushing as rotor 7 and an outer circumference this rotor 7 comprising stator 8 in the form of a sleeve.
  • Per signal to be transmitted or a power supply voltage to be transmitted is a transmission channel 9 between the outer jacket of the cylindrical rotor 7 and the inner surface of the as a sleeve trained stator 8 arranged.
  • FIG. 3 shows a transmission channel according to FIG. 2 in detail.
  • an annular chamber 13 which is incorporated in the outer circumference of the rotor 7 in this exemplary embodiment, is filled with an electrically conductive liquid 14, preferably mercury.
  • the annular chamber 13 with the electrically conductive liquid 14 between the rotor 7 and the inner surface of the stator 8 is sealed with two seals 15 each.
  • a contact 11 On the ground the annular chamber 13 in the rotor 7, a contact 11 is arranged, with a Line 10 within the rotor 7 to the corresponding electrical consumer or Data source / the data sink is connected.
  • the one with the electrically conductive liquid 14 the area of the stator 8 in contact between the seals 15 has a surface trained contact 12, which is also via a line 10 with the corresponding electrical consumers / electricity suppliers or data sources / data sinks connected is.
  • the seals 15 prevent the electrically conductive liquid from escaping 14 from the chamber 13 arranged between the rotor 7 and the stator 8 and enable a Rotation of the rotor 7 relative to the stator 8.
  • these chambers 13 of the transmission channels 9 an end face of a rotating body in the form of concentric to each other Arrange circles or tracks and this rotating end face a resting surface to be arranged opposite one another.
  • a combination is also possible in which a part of the Transmission channels 9 on the cylinder jacket of a rotor and another part of the transmission channels 9 are attached to the front end of the rotor.
  • the corresponding contacts 12 within the stator 8 are then on the opposite of the transmission channels 9 Side on the cylindrical inner surface of the stator 8 or the bottom surface of the stator 8 arranged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Claims (3)

  1. Dispositif de transmission de signaux dans une machine d'impression pour transmettre des tensions et/ou signaux entre des dispositifs fixes (5, 6) et une partie rotative de la machine d'impression, en particulier des postes (4) agencés à l'intérieur de rouleaux ou tambours, un moyen de transmission (3) étant prévu pour la liaison électrique des dispositifs fixes (5, 6) et du poste (4) agencé de façon rotative,
    caractérisé en ce qu'au moins un canal de transmission (9) du moyen de transmission (3) présente un liquide électriquement conducteur (14) en liaison électriquement conductrice avec un contact (11) tournant avec la partie de la machine d'impression, ainsi qu'avec un contact (12) agencé de façon fixe, en ce que, par l'intermédiaire du liquide électriquement conducteur (14), il est effectué un couplage galvanique entre les dispositifs (4, 5, 6) devant être reliés ensemble, en ce que, pour au moins un canal de transmission (9) du moyen de transmission (3), en liaison avec la transmission de tensions et/ou signaux entre les postes (4) agencés dans la partie rotative de la machine d'impression et les dispositifs (5, 6) agencés de façon fixe, il est effectué une surveillance permanente du canal de transmission (9) grâce au couplage galvanique.
  2. Dispositif de transmission de signaux selon la revendication 1,
    caractérisé en ce que le moyen de transmission (3) présente, pour chaque tension et/ou signal à transmettre, un canal de transmission (9) ayant un liquide électriquement conducteur (14).
  3. Dispositif de transmission de signaux selon la revendication 1 ou 2,
    caractérisé en ce que, dans un canal de transmission (9) du moyen de transmission (3), le liquide électriquement conducteur (14) est agencé dans une chambre annulaire (13) entre un rotor (7) relié à la partie rotative de la machine d'impression et un stator (8).
EP97119302A 1996-11-09 1997-11-05 Transmission de signaux dans une machine d'impression Expired - Lifetime EP0841160B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29619491U DE29619491U1 (de) 1996-11-09 1996-11-09 Signalübertragung innerhalb einer Druckmaschine
DE29619491U 1996-11-09

Publications (2)

Publication Number Publication Date
EP0841160A1 EP0841160A1 (fr) 1998-05-13
EP0841160B1 true EP0841160B1 (fr) 2001-07-11

Family

ID=8031703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119302A Expired - Lifetime EP0841160B1 (fr) 1996-11-09 1997-11-05 Transmission de signaux dans une machine d'impression

Country Status (3)

Country Link
EP (1) EP0841160B1 (fr)
AT (1) ATE202974T1 (fr)
DE (2) DE29619491U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6704553B1 (en) 1997-10-08 2004-03-09 Thomas M. Eubanks System and method for providing automatic tuning of a radio receiver and for providing automatic control of a CD/tape player
DE10234402B4 (de) 2001-09-21 2015-10-08 Heidelberger Druckmaschinen Ag Unabhängiger Direktantrieb für Papier verarbeitende Druckmaschinen
DE102004045832A1 (de) 2004-09-22 2006-04-06 Man Roland Druckmaschinen Ag Druckmaschinenzylinder
DE102006028647B4 (de) 2006-06-22 2009-10-01 Siemens Ag Werkzeug- oder Produktionsmaschine oder Roboter
DE102010014766A1 (de) * 2010-04-13 2011-10-13 Katrin Kau Vorrichtung zum Übertragen von Strom, Daten oder Signalen von einem feststehenden Gegenstand auf einen drehenden Gegenstand oder umgekehrt

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB777335A (en) * 1954-01-26 1957-06-19 Ass Elect Ind Improvements relating to electrical connectors between relatively rotating parts
DE1638284A1 (de) * 1967-04-25 1970-10-29 Schunk & Ebe Gmbh Fluessigkeitskontakt
DE2341500C3 (de) * 1973-08-16 1980-08-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektrische Kontaktanordnung mit einer Kontaktflüssigkeit
DE2416765C3 (de) * 1974-04-05 1980-02-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektrische Kontakteinrichtung einer Maschine mit einer Kontaktflüssigkeit
DE2717792A1 (de) * 1977-04-19 1978-10-26 Siemens Ag Elektrische kontakteinrichtung fuer hohe stroeme, insbesondere bei einer elektrischen unipolarmaschine
US4241273A (en) * 1979-03-26 1980-12-23 General Electric Company Compliant cage for raceway-type liquid metal current collector for high-speed acyclic machines
FR2620013A1 (fr) * 1987-09-07 1989-03-10 Lequere Eric Presentoir rotatif permettant l'alimentation des appareils electriques ou electroniques
DE3842576A1 (de) * 1988-12-17 1990-06-21 Vogt Electronic Ag Monokernrotationstransformator
DE3936170A1 (de) * 1989-10-31 1991-05-02 Bayerische Motoren Werke Ag Vorrichtung in kraftfahrzeugen zur uebertragung eines elektrischen signals
DE4129373C2 (de) * 1991-09-04 1995-05-18 Roland Man Druckmasch Vorrichtung zur Passerverstellung an einem Plattenzylinder einer Druckmaschine
DE4222827C2 (de) * 1992-07-11 1995-09-07 Roland Man Druckmasch Rotationsdruckmaschine mit Fernverstellung von Stellmotoren

Also Published As

Publication number Publication date
EP0841160A1 (fr) 1998-05-13
ATE202974T1 (de) 2001-07-15
DE29619491U1 (de) 1996-12-19
DE59704005D1 (de) 2001-08-16

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