CN2195436Y - Special xelminator for small size offset press - Google Patents

Abstract

The utility model relates to a special electrostatic eliminator for a small size offset press. Electrostatic eliminating devices are respectively arranged on the paper feeding end and the paper discharging end of the offset press. The special electrostatic eliminator for a small size offset press is characterized in that a high-voltage generator (2) which is provided with a built-in circuit (3) is composed of a bridge rectifier, an oscillator and a high-voltage drive discharger; the high-voltage generator (2) is connected to a rod-shaped corona discharger (5) by a cable (4) and is connected to an ion current discharger (6) by another two cables. Ion currents generated by the discharger flow across a conduit to a gas outlet (8) and spray on paper for electrostatic elimination. The utility model has the advantages of convenient installation, favorable printing effect and high efficiency.

Description

Special xelminator for small size offset press

The utility model relates to the special-purpose electrostatic arrester in a kind of baby offset press, belongs to eliminate the paper electrostatic equipment.

At present, the baby offset press of selling on the market, 1800AWD type offset press as the production of Yingkou duplicator head factory, row's paper end at this machine only is equipped with the static bruss that disappears, but because of in the seal paper process wearing and tearing of this brush and printing ink, dust being stain its electrostatic capacity that disappears is descended, so that completely lose function, particularly this baby offset press paper feed side does not have static eliminator, and cause opening or plurality of sheets of paper because of electrostatic interaction input is two, especially to slim paper (28 gram) adhesion more very, seriously influence printing effect.

For overcoming the problem that the static that disappears in the above-mentioned baby offset press printing exists, it is a kind of rational in infrastructure that the utility model provides, and the good Xelminator of electrostatic efficiency disappears.

The purpose of this utility model is achieved in that at the paper feed side of baby offset press and row's paper end static eraser all is housed, it is to flow through conduit to nozzle by the ion that high pressure generator is banished the electrical equipment generation by bar-shaped corona discharger discharge and ion, ion stream is penetrated on paper, eliminate static, reach in the printing overall process and eliminate paper static, to obtain printing effect efficiently.

Technical solution of the present utility model is: the high pressure generator that circuit is housed in comprising, one termination power, several cables of another termination, the clavate corona discharger of the sensible row of being located at of one branch cable paper end, two branch cables connect ion and banish electrical equipment in addition, these discharger two ends also are connected to air inlet and chew and give vent to anger and chew, and the ion that is produced is flowed through to give vent to anger to chew with conduit, nozzle and eliminate static to the paper of paper feed side.

High-voltage generator circuit in the technical scheme of utility model can be by AC/DC changeover switch, and diode V is arranged ₁, V ₂, V ₃, V ₄, form bridge rectifier, capacitor C ₁, C ₂, and resistance R ₂, R ₃, the wave filter formed, resistance R ₁With light emitting diode V ₅Form power indicator, obtain the power supply of pact+300V DC voltage as oscillator, capacitor C at the A point ₁, C ₂Mid point as the floating neutral point, the B point obtains+150 volts of DC voltages approximately, triode V ₁₀, V ₁₁Be in not starting of oscillation of zero bias circuitry, the A point voltage is through resistance R ₄To capacitor C ₃C is worked as in charging ₃Terminal voltage reaches diode V ₇During trigger voltage, V ₇Promptly to triode V ₁₁Grid (base stage) apply a burst pulse and make V ₁₁Conducting, V ₁₁Drain electrode (colelctor electrode) current potential descend rapidly, voltage is applied to transformer coil T between the B-D point _1-1With transformer T ₂Elementary on because transformer, T ₁Coupling, at coil T _1-3The voltage that induces makes triode V ₁1 protection conducting is at coil T _1-2The voltage that induces makes triode V ₁₀End, and transformer T ₁, T ₂Enter the magnetic saturation state, make triode V ₁₁By, V ₁₀Become conducting, said process constantly repeats, and circuit is in the stable oscillation stationary vibration state, and vibration is through capacitor C ₄, C ₅Time-delay is at transformer T ₂The elementary audio frequency sine wave that just obtains is because transformer T ₂Coupling, T ₂Secondary low-voltage coil drive triode V ₁₂Luminous, do the vibration indication, T ₂Secondary high pressure coil drive ion is banished electrical equipment A ₁With clavate corona discharger A ₂Emitting ions.

Below with reference to drawings and Examples the utility model is described in further details.

Fig. 1 is an external structure schematic diagram of the present utility model.

Fig. 2 is high-voltage generator circuit figure of the present utility model.

Fig. 3 banishes the electrical structure schematic diagram for ion of the present utility model.

As shown in Figure 1, have in its special character of the utility model comprises a termination power (1) other end of the high pressure generator (2) of circuit (3) have some cable (4) one branch cables take over the baton shape corona discharger (5) in addition two branch cables (4) connect ion and banish electrical equipment (6) and also be connected to air inlet at these discharger two ends and chew (7) and give vent to anger and chew (8) to nozzle.

As shown in Figure 2, the circuit (3) in the high pressure generator (2) by the S termination go into 220 volts of alternating currents, through diode V ₁, V ₂, V ₃, V ₄The bridge rectifier of forming is at diode V ₃, V ₄Contact A connecting resistance R ₁, R ₂, R ₄, R ₉, capacitor C ₁, C ₄And triode V ₁₀Drain electrode (colelctor electrode), diode V ₁, V ₂, contact D meets diode V ₅Negative level, capacitor C ₂, C ₃, C ₅, coil T _1-3Different name end, diode V ₉Positive pole, resistance R ₃, R ₈, R ₁₀An end, resistance R ₁Another terminating diode V ₅Positive pole, capacitor C ₁Another termination capacitor C ₂Resistance R ₂And R ₃The other end and meet transformer T ₂One end of primary coil, resistance R ₄Another termination capacitor C ₃The other end, diode V ₆Positive pole and V ₇An end, V ₆Negative pole wiring circle T _1-2End of the same name, diode V ₈Positive pole, triode V ₁₁Drain electrode (colelctor electrode), resistance R ₇The other end, R ₉And R ₁₀The other end, coil T _1-1Different name end capacitor C ₄, C ₅The other end and C ₆One end, coil T _1-2Different name terminating resistor R ₅An end, triode V ₁₀Grid (base stage) connecting resistance R ₅The other end and diode V ₈Negative pole, triode V ₁₀Source electrode (emitter stage) connecting resistance R ₇The other end, coil T _1-3Terminating resistor R of the same name ₆An end, triode V ₁₁Grid (base stage) meet diode V ₇The other end, resistance R ₆The other end and diode V ₉Negative pole, diode V ₁₁Source electrode (emitter stage) connecting resistance R ₈The other end, transformer T ₂The other end wiring circle T of primary coil _1-1End of the same name and capacitor C ₆The other end, transformer T ₂A terminating diode V of inferior utmost point low-voltage coil ₁₂Negative pole and ground connection, its other end connecting resistance R ₁₁One end, R ₁₁Another terminating diode V ₁₂Positive pole, T ₂Secondary high pressure coil one end ground connection, its other end connecting resistance R ₁₂An end, R ₁₂Other end connecting resistance R ₁₃An end and clavate corona discharger A ₂(5) high pressure heart yearn, A ₂Cathode rod (housing) ground connection, resistance R ₁₃Another termination ion is banished electrical equipment A ₁(6) high pressure heart yearn, A ₁Negative plate (housing) ground connection.

To banish electrical equipment (a 6) one unit be by two tubaeform (or method blue shape) structures the openend make-up to be formed cavity to ion as shown in Figure 3, its central authorities be equipped with the annular needle stand (10) that is connected with high-tension cable (4) above it panel several spray points (11) from spray point (11) part at regular intervals, metal plate type negative pole (12) with several circular holes (13) also is housed, the needle point of spray point (11) is to circular hole (13) central authorities, not forming air inlet away from the end mouth and chew (7) and give vent to anger and chew (8) ion and banish electrical equipment (6) and can be composed in parallel by one or two said units at these two flared structures.

The utility model is rational in infrastructure, and is supporting easy for installation, simple to operate for offset press, eliminate that the paper electrostatic efficiency is good, printing efficiency is high, is a kind of isolated plant of more satisfactory elimination static.

Claims (3)

1, a kind of baby offset press special-purpose electrostatic arrester, it is characterized in that: in the high pressure generator (2) of circuit (3) is housed, one termination power (1) other end has some branch cables (4), one branch cable (4) the shape corona discharger (5) of taking over the baton has two branch cables (4) to connect ion to banish electrical equipment (6) in addition, and these discharger two ends also are connected to air inlet and chew (7) and give vent to anger and chew (8) to nozzle.

2, Xelminator according to claim 1 is characterized in that: it comprises the circuit (3) in the high pressure generator (2) by the S termination and goes into 220 volts of alternating currents, through diode V ₁, V ₂, V ₃, V ₄The bridge rectifier of forming, diode V ₃, V ₄Contact A connecting resistance R ₁, R ₂, R ₄, R ₉Capacitor C ₁, C ₄And triode V ₁₀Drain electrode, diode V ₁, V ₂Contact D meets diode V ₅Negative pole, capacitor C ₂, C ₃, C ₅, coil T _1-3Different name end, diode V ₉Positive pole, resistance R ₃, R ₆, R ₁₀, resistance R ₁Another terminating diode V ₅Positive pole, capacitor C ₁Another termination capacitor C ₂, resistance R ₂And R ₃The other end, and meet transformer T ₂One end of primary coil, resistance R ₄Another termination capacitor C ₃The other end, diode V ₆Positive pole and V ₇An end, V ₆Negative pole wiring circle T _1-2End of the same name, diode V ₈Anodal, triode V ₁₁Drain electrode, resistance R ₇An end, R ₉And R ₁₀The other end, coil T _1-1The different name end, capacitor C ₄, C ₅, the other end and C ₆An end, coil T _1-2Different name terminating resistor R ₅An end, triode V ₁₀Grid connecting resistance R ₅The other end and diode V ₈Negative pole, triode V ₁₀Source electrode connecting resistance R ₇The other end, coil T _1-3Terminating resistor R of the same name ₅An end, triode V ₁₁Grid meet diode V ₇The other end, resistance R ₆The other end and diode V ₉Negative pole, triode V ₁₁Source electrode connecting resistance R ₈The other end, transformer T ₂The other end wiring circle T of first polar curve circle _1-1End of the same name and capacitor C ₆The other end, transformer T ₂A terminating diode V of secondary low-voltage coil ₁₂Negative pole and ground connection, its other end connecting resistance R ₁₁An end, R ₁₁Another terminating diode V ₁₂Positive pole, T ₂Secondary high pressure coil one end ground connection, the end of its other end connecting resistance R12, R ₁₂Other end connecting resistance R ₁₃An end and clavate corona discharger A ₂(6) high pressure heart yearn, A ₂Cathode rod ground connection, resistance R ₁₃Another termination ion is banished electrical equipment A ₁(5) high pressure heart yearn, A ₁Negative plate ground connection.

3, static remover according to claim 2, it is characterized in that: ion is banished electrical equipment (a 6) one unit and is comprised by two flared structures the openend make-up is formed cavity, its central authorities be equipped with the annular needle stand (10) that is connected with high-tension cable (4) above it panel several spray points (11), from spray point (11) part at regular intervals, metal plate type negative pole (12) with several circular holes (13) also is housed, the needle point of spray point (11) is to circular hole (13) central authorities, not the forming air inlet away from the end mouth and chew (7) and give vent to anger and chew (8) of this two flared structures, ion is banished electrical equipment (6) and can be composed in parallel by one or two said units.

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