EP0955163B1 - Einrichtung zur Registerkontrolle - Google Patents
Einrichtung zur Registerkontrolle Download PDFInfo
- Publication number
- EP0955163B1 EP0955163B1 EP99108215A EP99108215A EP0955163B1 EP 0955163 B1 EP0955163 B1 EP 0955163B1 EP 99108215 A EP99108215 A EP 99108215A EP 99108215 A EP99108215 A EP 99108215A EP 0955163 B1 EP0955163 B1 EP 0955163B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light source
- cylinder
- register
- light
- fitted
- 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
Links
Images
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
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
- B41P2227/30—Detecting the correct position of printing plates on the cylinder
Definitions
- the invention relates to a device for register control according to the preamble of claim 1.
- FIG. 1 Facilities for register control are known in which the register pins or register stops can be queried electrically are trained. This can be done easily happen that the register pins or the stops electrically insulated from the clamping rail or the cylinder are arranged so that by the registered system of the Printing form or printing plate, an electrical circuit closed becomes.
- the register-compliant system is, for example by attached to the cylinder or the register stops Illuminants (LEDs) can be displayed. Such a configuration is particularly suitable for visual control for printing forms to be applied by hand to the cylinder.
- a slip ring transmitter also requires the disadvantage that it is due to contamination of the contacts Signal disturbance comes, which in turn disturbances in the plate changing process can cause (e.g. termination of the change process although pressure plate fits correctly).
- EP-A 0 581 212 describes a device for register control for printing forms known in which the correct creation of a printing form on register pins by electrical signals can be determined and sent to a stationary control and evaluation unit is conductive. In particular, there is an optical signal transmission with one on the cylinder attached transmitter and a machine-mounted receiver intended.
- the object of the present invention is a device for register control according to the preamble of claim 1 to expand in such a way that a simple and safe Signal transmission to a stationary, outside the cylinder arranged control and evaluation unit is possible. This task is solved by the characteristic features of claim 1. Developments of the invention result from the subclaims.
- the signal state of the electrically interrogated register pins by at least one light source arranged in the cylinder and at least one stationary and the control and evaluation unit upstream light receiver is communicable.
- the term Here light is to be understood in a broader sense, i.e. not only as electromagnetic radiation in the visible range.
- the light source as well as the light receiver electromagnetic radiation both in the visible and in the Give or receive infrared or ultraviolet range.
- the switching state is preferably electrical insulated from the cylinder or the clamping rail arranged register pins even when changing or Applying printing forms is recognizable for an operator.
- the light source is preferably in the range of Clamping device and preferably also in the vicinity of the corresponding Register pin attached. It can be provided be that the register-compliant system by a light source of the printing forms are displayed together on both register pins and transmitted to a corresponding stationary receiver becomes.
- the switching state is preferably electrical queryable register pins separated and distinguishable after A and B side queried individually and by appropriate Signal generation (coding) to the stationary light receiver transfer.
- the stationary control and evaluation unit it is therefore possible to determine which of the register pins the printing form is applied and on which this is not the case.
- the result is a fully automatic printing plate changer the possibility by controlling the a new form of transport supplying a cant pressure plate in contact with the register pins into the correct one to bring it into the correct position.
- the light source transmitting the signal state of the register pins can face on a suitable surface of the cylinder be arranged.
- the angular position of the Light source on the cylinder and the light receiver on the Rack wall or an upstream support is such that with the cylinder stationary while inserting a new one Print form of the signal state of the register pins can be transferred is.
- the signal state is transmitted by coded signals, i.e. the light source will controlled with an intended pulse sequence (signal code). It is thus possible to determine the signal state using only one light source of two or more arranged on the cylinder to transmit electrically interrogable register pins.
- the light source is the signals of the electrically interrogable Control pins reading in and corresponding control signals upstream processing pulse generator. This stands in with a voltage source arranged in the cylinder Connection, which as a long life battery or a rechargeable battery is formed.
- one or more light sources for example in the The area of the register pins.
- the the signals of these light source-detecting light receivers arranged fixed to the frame in the peripheral region of the cylinder, wherein the position is chosen such that in an angular position of the cylinder in which the feeding of a new one Printing form takes place, the corresponding signals of the light sources can be received by the light receivers.
- Is for the signal transmission uses visible light, so it is with appropriate arrangement and design of the light sources possible that when manually feeding a printing form an operator check the register-correct system can.
- Each electrically interrogable register pin is then preferred a light source, for example in the form of a Assigned to LED.
- each register pin that can be queried electrically a separate light source, for example on one End of the cylinder (the cylinder pit) and one stationary light receiver or according to the number of Light sources multiple light receivers in one of the position of the Cylinder stationary when changing printing form to arrange.
- the signals from the light sources come from both Operator evaluated visually as well as on the stationary Light receivers are transmitted.
- the light sources attached to the cylinder are emitting in visible light Use light sources (light emitting diodes).
- a coded one Signal transmission is through appropriate choice of frequency and pulse length possible. So the register-correct system condition are transmitted, for example, in that the Light source (light emitting diode) is driven in pulses, whereby the frequency is chosen so that the observer stationary steady state results.
- register pins 2.1, 2.2 are axially spaced two electrically queryable register pins 2.1, 2.2 arranged.
- these register pins 2.1, 2.2 as electrically insulated from the clamping rail or the cylinder 1 are arranged so that these as by Contact with the printing plate (metallic printing plate / printing form) actuable switches act. They are accordingly Register pins 2.1, 2.2 shown as switches.
- the switching signals the electrically queryable register pins 2.1, 2.2 can be fed to a driver 4 arranged in the cylinder 1, which a light source 5 in the form of a light emitting diode or connected in another way trained illuminant is.
- the signal driver 4 is arranged in a cylinder 1 Voltage source 3 in the form of a battery or Accumulator in connection.
- the light source 5 on the end face of a surface of the cylinder 1 arranged.
- a stationary control and evaluation unit 8 Light receiver 6, for example in the form of a photo transistor upstream of a driver 7.
- the Register pins 2.1, 2.2 With a registered Attachment of the printing form, not shown, to the Register pins 2.1, 2.2 (corresponding contacts closed) is the light source 5 by the driver 4 to generate the controlled signals representing this state, so that the light signals of the light source 5 in the corresponding Position of the cylinder 1 over the light receiver 6 and Downstream driver 7 of the control and evaluation unit 8 can be supplied as electrical signals.
- FIG. 2 In the embodiment shown in Figure 2 are electrical queryable register pins 2.1, 2.2 in cylinder 1 single Assigned light sources 5.1, 5.2. In this case the Display or transfer of the switching status of the register pins 2.1, 2.2 by the respectively assigned light source 5.1, 5.2.
- the representation of the cylinder 1 with the therein arranged register pins 2.1, 2.2 and the associated Light sources 5.1, 5.2 corresponds to a view from above and is purely in principle.
- a position of the cylinder 1 (to change the printing form) are the light sources 5.1, 5.2 of the register pins 2.1, 2.2 assigned fixed light receivers 6.1, 6.2, their Signals via driver 7.1, 7.2 of the control and evaluation unit 8 are supplied.
- the arrangement of the light sources 5.1, 5.2 on the cylinder 1 or the register pins 2.1, 2.2 can be such that they are also visually observable, so can also be used when changing the printing form manually. As a result, the light sources 5.1, 5.2 send visible light out.
- Figure 3 shows like Figure 2 a basic plan view a cylinder 1 with register pins 2.1 arranged therein, 2.2.
- the light sources 5.1, 5.2 attached to a front end of the cylinder 1.
- Each register pin 2.1, 2.2 is a light source 5.1, 5.2 assigned such that one light source each 5.1, 5.2 the switching status of one of the register pins 2.1, 2.2 can be displayed and transferred.
- the light sources 5.1, 5.2 are fixed to the frame (in one for changing the printing form intended position of the cylinder 1) light receiver 6.1, 6.2 and drivers 7.1, 7.2 assigned, whose signals the stationary Control and evaluation unit 8 can be fed.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
- Fig. 1
- das erfindungsgemäße Prinzip der Signalübertragung mittels Lichtquelle und Lichtempfänger,
- Fig. 2
- eine Ausführungsvariante mit den Registerstiften direkt zugeordneten Lichtquellen, und
- Fig. 3
- eine Ausführungsform mit an einer Zylinderseite angeordneten Lichtquellen.
- 1
- Zylinder (Plattenzylinder / Druckformzylinder)
- 2.1
- Registerstift (abfragbar)
- 2.2
- Registerstift (abfragbar)
- 3
- Spannungsquelle (Batterie / Akku)
- 4
- Signaltreiber
- 5
- Lichtquelle
- 5.1
- Lichtquelle (Registerstift 2.1)
- 5.2
- Lichtquelle (Registerstift 2.2)
- 6
- Lichtempfänger
- 6.1
- Lichtempfänger (Lichtquelle 5.1)
- 6.2
- Lichtempfänger (Lichtquelle 5.2)
- 7
- Treiber
- 7.1
- Treiber
- 7.2
- Treiber
- 8
- Steuer- und Auswerteeinheit (stationär)
Claims (7)
- Einrichtung zur Registerkontrolle für Druckformen aufnehmende Zylinder von Druckmaschinen, mit wenigstens einem im Zylinder (1) angeordneten Registerstift (2.1, 2.2), dem bei registergerechter Anlage einer Druckform elektrische Signale entnehmbar sind, welche über eine Sender und Empfänger umfassende optische Signalübertragung (5, 5.1, 5.2, 6, 6.1, 6.2) an eine stationäre Steuer- und Auswerteeinheit (8) leitbar sind,
dadurch gekennzeichnet, dass die optische Signalübertragung (5, 5.1, 5.2, 6, 6.1, 6.2) als Sender wenigstens eine am Zylinder angebrachte Lichtquelle (5, 5.1, 5.2) aufweist, der wenigstens ein gestellfest angebrachter und bei einer Winkelstellung des Zylinders (1) die Signale der Lichtquelle (5, 5.1, 5.2) empfangender Lichtempfänger (6, 6.1, 6.2) zugeordnet ist, und dass die Übertragung des Signalzustandes durch codierte Signale erfolgt, wozu die Lichtquelle mit einer vorgesehenen Impulsfolge angesteuert wird. - Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß mehreren Registerstiften (2.1, 2.2) eine deren Signale gemeinsam übertragende Lichtquelle (5) zugeordnet ist.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß mehreren Registerstiften (2.1, 2.2) jedem eine ansteuerbare Lichtquelle (5.1, 5.2) zugeordnet ist.
- Einrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß durch die Lichtquellen (5, 5.1, 5.2) Strahlung im sichtbaren Bereich emittierbar ist.
- Einrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Anordnung wenigstens einer der Lichtquellen (5, 5.1, 5.2) derartig ist, daß die von der Lichtquelle (5, 5.1, 5.2) abgegebene Strahlung auch visuell beobachtbar ist.
- Einrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch die Lichtquelle (5, 5.1, 5.2) Strahlung im infraroten Bereich emittierbar ist.
- Einrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch die Lichtquelle (5, 5.1, 5.2) Strahlung im ultravioletten Bereich emittierbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29808099U | 1998-05-06 | ||
DE29808099U DE29808099U1 (de) | 1998-05-06 | 1998-05-06 | Einrichtung zur Registerkontrolle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0955163A1 EP0955163A1 (de) | 1999-11-10 |
EP0955163B1 true EP0955163B1 (de) | 2002-06-12 |
Family
ID=8056720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99108215A Expired - Lifetime EP0955163B1 (de) | 1998-05-06 | 1999-04-27 | Einrichtung zur Registerkontrolle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0955163B1 (de) |
JP (1) | JPH11334045A (de) |
DE (2) | DE29808099U1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29815443U1 (de) | 1998-08-28 | 1998-11-26 | Roland Man Druckmasch | Einrichtung zur Registerkontrolle |
US6510793B1 (en) * | 2001-06-28 | 2003-01-28 | Eastman Kodak Company | Imaging apparatus and printing plate mounting surface for use in an imaging apparatus having printing plate registration detection |
DE102006050743A1 (de) * | 2006-10-27 | 2008-04-30 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Voreinstellung von Messtakten eines Inline-Sensors |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0581212A1 (de) * | 1992-07-31 | 1994-02-02 | Komori Corporation | Vorrichtung zum Montieren einer Druckplatte für eine Druckpresse |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1183507B (it) * | 1985-03-28 | 1987-10-22 | Arnoldo Mandadori Editore Offi | Dispositivo di messa a registro delle lastre da stampa sui cilindri di macchine da stampa offset piane |
-
1998
- 1998-05-06 DE DE29808099U patent/DE29808099U1/de not_active Expired - Lifetime
-
1999
- 1999-04-27 EP EP99108215A patent/EP0955163B1/de not_active Expired - Lifetime
- 1999-04-27 DE DE59901702T patent/DE59901702D1/de not_active Expired - Lifetime
- 1999-05-06 JP JP11126438A patent/JPH11334045A/ja not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0581212A1 (de) * | 1992-07-31 | 1994-02-02 | Komori Corporation | Vorrichtung zum Montieren einer Druckplatte für eine Druckpresse |
Also Published As
Publication number | Publication date |
---|---|
EP0955163A1 (de) | 1999-11-10 |
DE29808099U1 (de) | 1998-07-09 |
DE59901702D1 (de) | 2002-07-18 |
JPH11334045A (ja) | 1999-12-07 |
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