EP0982126A1 - Stromversorgung für einen Druckmaschinenzylinder - Google Patents
Stromversorgung für einen Druckmaschinenzylinder Download PDFInfo
- Publication number
- EP0982126A1 EP0982126A1 EP99114573A EP99114573A EP0982126A1 EP 0982126 A1 EP0982126 A1 EP 0982126A1 EP 99114573 A EP99114573 A EP 99114573A EP 99114573 A EP99114573 A EP 99114573A EP 0982126 A1 EP0982126 A1 EP 0982126A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- power supply
- switch
- tube
- switching device
- 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
Links
Images
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 cooperates.
- 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 is coming.
- 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.
- 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 ° relative thereto (with mass) due to the spring load in the top point position Switch contact closes.
- Fig. 1 shows part of a cylinder 1 of a printing machine, not shown.
- the cylinder 1 can in particular be the plate or Act printing plate cylinder of a printing press.
- the power supply 3 via contacts 5, 6 with a power consumer inside the cylinder 1 are connected.
- the power consumer 4 can be a device act for register control, by means of the register-compliant installation of a Printing plate or a printing form checked on electrically interrogable register pins and corresponding signals to a stationary, outside of the cylinder 1 Evaluation device are sent.
- 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 such 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 3rd
- 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 switched.
- 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)
Abstract
Description
- Fig. 1
- eine Schalteinrichtung mit einem Flüssigkeitsschalter,
- Fig. 2 + 3
- die Funktion dieser Schalteinrichtung,
- Fig. 4 + 5
- eine mit bewegbaren Massen ausgebildete Schalteinrichtung.
- 1
- Zylinder (Plattenzylinder, Druckformzylinder)
- 2
- Schaltvorrichtung
- 3
- Stromquelle
- 4
- Stromverbraucher
- 5
- Kontakt
- 6
- Kontakt
- 7
- Röhrchen (Libelle)
- 8
- elektrisch leitende Flüssigkeit (Quecksilber)
- 9
- Masse
- 10
- Masse
- 11
- Gelenk
- 12
- Gelenk
- 13
- Feder
- 14
- Feder
- 15
- Schaltkontakt (Öffner)
- 16
- Schaltkontakt (Öffner)
Claims (6)
- Stromversorgung für einen Druckmaschinenzylinder, insbesondere für den Platten- bzw. Druckformzylinder von Bogenoffsetdruckmaschinen, mit einer im Zylinder angeordneten Stromquelle sowie einem über einen Schalter damit verbundenen Stromverbraucher,
dadurch gekennzeichnet,
daß der Schalter als eine bei einer Stellung des Zylinders (1) während des Stillstandes des Zylinders (1) selbsttätig auslösende Schaltvorrichtung (2) ausgebildet ist. - Stromversorgung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Schaltvorrichtung (2) eine in einem Röhrchen (7) eingelassene elektrisch leitfähige Flüssigkeit (8) aufweist, durch welche in das Röhrchen (7) eingelassene Kontakte (5, 6) in einer Stellung des Zylinders (1) elektrisch miteinander verbunden werden. - Stromversorgung nach Anspruch 2,
dadurch gekennzeichnet,
daß das Röhrchen (7) mit der elektrisch leitenden Flüssigkeit (8) eine gebogene Form aufweist. - Stromversorgung nach Anspruch 2 oder 3,
dadurch gekennzeichnet,
daß die elektrisch leitfähige Flüssigkeit (8) Quecksilber ist. - Stromversorgung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Schaltvorrichtung (2) ein Paar um Gelenke (11, 12) beweglich angeordnete und mit zugeordneten Federn (13, 14) gehaltene Massen (9, 10) aufweist, welche mit in Reihe geschalteten Kontakten (15, 16) gekoppelt sind. - Stromversorgung nach Anspruch 5,
dadurch gekennzeichnet,
daß die beiden Massen (9, 10) mit der Anlenkung um die Gelenke (11, 12) um 180° zueinander versetzt angeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29815442U | 1998-08-28 | ||
DE29815442U DE29815442U1 (de) | 1998-08-28 | 1998-08-28 | Stromversorgung für einen Druckmaschinenzylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0982126A1 true EP0982126A1 (de) | 2000-03-01 |
EP0982126B1 EP0982126B1 (de) | 2002-09-04 |
Family
ID=8061894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99114573A Expired - Lifetime EP0982126B1 (de) | 1998-08-28 | 1999-07-24 | Stromversorgung für einen Druckmaschinenzylinder |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0982126B1 (de) |
JP (1) | JP2000071431A (de) |
AT (1) | ATE223310T1 (de) |
DE (2) | DE29815442U1 (de) |
Citations (2)
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 | Roland Man Druckmasch | Einrichtung zur Registerkontrolle |
-
1998
- 1998-08-28 DE DE29815442U patent/DE29815442U1/de not_active Expired - Lifetime
-
1999
- 1999-07-24 DE DE59902529T patent/DE59902529D1/de not_active Expired - Lifetime
- 1999-07-24 AT AT99114573T patent/ATE223310T1/de not_active IP Right Cessation
- 1999-07-24 EP EP99114573A patent/EP0982126B1/de not_active Expired - Lifetime
- 1999-08-25 JP JP11238965A patent/JP2000071431A/ja not_active Withdrawn
Patent Citations (2)
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 | Roland Man Druckmasch | Einrichtung zur Registerkontrolle |
Also Published As
Publication number | Publication date |
---|---|
DE29815442U1 (de) | 1998-12-17 |
EP0982126B1 (de) | 2002-09-04 |
ATE223310T1 (de) | 2002-09-15 |
DE59902529D1 (de) | 2002-10-10 |
JP2000071431A (ja) | 2000-03-07 |
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