CN2061091U - Hydraulic electrostatic paint spraying machine - Google Patents

Abstract

The utility model relates to a hydraulic electrostatic paint spraying machine, composed of an airbrush, an electrostatic generator and a hydraulic system. The hydraulic electrostatic paint spraying machine has even spray finishing of paint, and no dead angle exists when spraying anomalous material; when paint spraying, the hydraulic electrostatic paint spraying machine can conduct flat-spraying, up-spraying, down-spraying and side-spraying, and thus the hydraulic electrostatic paint spraying machine can be widely applied.

Description

Hydraulic electrostatic paint spraying machine

The utility model belongs to the technological improvement of electrostatic spray equipment.

Before the utility model, the common rotary cup electrostatic spray equipment that adopts, when spray painting operation, face can occur on the workpiece of spray gun an enamelled coating around thin circle, be referred to as the copper nut phenomenon in theory, this phenomenon influences the uniformity of enamelled coating, particularly when the special-shaped material of spraying, the dead angle usually occurs, seriously influenced the quality of spraying paint.

The purpose of this utility model provides and a kind ofly can overcome the copper nut phenomenon, avoids occurring spraying the hydraulic pressure electrostatic spray equipment at dead angle.

The utility model is made of spray gun, electrostatic generator and hydraulic system.Spray gun comprises the ejectisome part, body of a gun part, oil piping system, oil circuit switching system, electric switch part.

The ejectisome part is made of ejectisome assembly and explosion injection assembly.The ejectisome assembly is made up of ejectisome, spraynozzle, pressure reducer.Spraynozzle, pressure reducer, the endoporus of the ejectisome of packing into successively, the explosion injection assembly is made up of explosion nozzle, explosion nozzle block, and the explosion nozzle is packed in the explosion nozzle block endoporus.Ejectisome by pressure cap and explosion nozzle block front portion to be threaded.

Body of a gun part is made up of the body of a gun, snap ring, distributing valve, distributing valve sealing ring, adjustment bolt, handle.In the body of a gun, be provided with oil duct, distribute valve chamber, rifle bolt chamber, high-tension cable through hole.To be threaded, it is indoor that distributing valve is arranged on distributing valve by big pressure cap and explosion nozzle block rear end for the front end of the body of a gun.Snap ring is fixed on the body of a gun with trip bolt, when using spray gun, the body of a gun before the snap ring partly can be reached in the cleaning solution bucket, and snap ring is stuck on the bung limit, can avoid spray gun all to steep in cleaning solution like this.Be provided with the distributing valve sealing ring in distributing valve, adjust bolt and screw in the distributing valve right-hand member, during assembling, bolt is adjusted in rotation makes sealing ring reach the oil sealing degree.Handle is fixed on body of a gun rear end by screw.

Oil piping system comprises the oil duct (being both centre bores) of spraynozzle and explosion nozzle, body of a gun oil duct.Oil duct is communicated with.Body of a gun oil duct perpendicular in the body of a gun part, be provided with oil filter, be provided with joint in the oil filter lower end, joint is connected with the oil duct lower end with screw thread.

The oil circuit switching system is made up of rifle syringe needle, rifle pin, rifle needle stand, rifle bolt steel wire, rifle bolt and gunlock, and the electric switch part is made up of switch, switch base, switch spring sheet.

Hydraulic system is made up of paint container, filter, motor, plunger displacement pump, petroleum pipeline.The electrostatic generator part is made up of electrostatic generator and high-tension cable.High-tension cable one end is connected with the output of electrostatic generator, and the other end passes handle, the body of a gun, explosion nozzle block and ejectisome, stretches out outside the ejectisome, and its extension is utmost point pin.

When spray painting operation, pull the plate machine backward, oil circuit and circuit are opened simultaneously.Electric motor starting makes plunger displacement pump work, the oil pumping lacquer, paint is through filter, enter petroleum pipeline, enter oil duct through the filter that is arranged on the oil duct bottom again, and through explosion nozzle and spraynozzle jet gun body, the paint of jet gun body is atomized nozzle and has carried out atomizing well, meanwhile, the high pressure of electrostatic generator output is transported to utmost point pin through high-tension cable, makes the paint that has atomized electrically charged by utmost point pin, because just inhaling equably, the workpiece grounding that is sprayed, these charged paint particles overlay on the surface of workpiece.

The utility model has not only been eliminated the copper nut phenomenon, and the dead angle do not occurred spraying owing to adopted the static mode that combines with hydraulic pressure, makes groove place enamelled coating even.In addition, the rifle body weight is light, and 0.9kg is only arranged, and the spray gun of common rotary cup electrostatic spray equipment is 1.7kg heavily, thereby has alleviated operator's labour intensity.When spray painting operation, can put down spray, face upward spray, bow and spray and the side spray, and the rotary cup paint spraying machine only is suitable for flat spray.Therefore, the utlity model has wide application scape.

Fig. 1 is a spray gun structure schematic diagram of the present utility model, and Fig. 2 is a hydraulic system principle figure of the present utility model.

Now the utility model is described in further detail in conjunction with the accompanying drawings, and the ejectisome assembly of ejectisome part is made up of ejectisome 1, high compression ring 59, spraynozzle 2, pressure reducer 57, sealing ring 58, packing ring 60.High compression ring 59 is arranged in the high pressure annular groove in the ejectisome 1, spraynozzle 2, packing ring 60, sealing ring 58, pressure reducer 57, the endoporus of the ejectisome 1 of packing into successively.Ejectisome 1 is threaded with explosion nozzle block 56 by pressure cap 3.The explosion injection assembly is made up of explosion nozzle 5, explosion nozzle block 56, sealing ring 7.Pack into the successively centre bore of explosion nozzle block 56 of explosion nozzle 5, sealing ring 7.

Body of a gun part is made up of the body of a gun 9, distributing valve 13, distributing valve sealing ring 15, sealing ring 14, adjustment bolt 17, snap ring 51, handle 23.In the body of a gun 9, be provided with oil duct 52, distribute valve chamber 61, rifle bolt chamber 55 and high-tension cable through hole 10.The rear end of the front end of the body of a gun 9 by big pressure cap 54 and explosion nozzle block 56 is to be threaded.Distributing valve 13 is arranged on and distributes in the valve chamber 61.Rifle needle stand 11 rear ends are provided with distributing valve sealing ring 15 in distributing valve 13, and bolt 17 is adjusted in rotation during assembling, makes distributing valve sealing ring 15 reach the oil sealing degree.In order to reach good oil sealing purpose, in three annular grooves of distributing valve 13, sealing ring 12,14,16 is set respectively.Handle 23 is fixed on the body of a gun 9 rear ends by screw 22,31.In order to clean gun barrel whole spray gun all is immersed in the wash solution, and snap ring 51 is set on the body of a gun, snap ring 51 usefulness screws 50 are fixed on the body of a gun.

The oil circuit switching system is made up of rifle syringe needle 6, rifle pin 5, rifle needle stand 11, rifle bolt steel wire 19, rifle bolt 37, gunlock 38, gunlock lock 39, splash ring 36, spring 35.Rifle syringe needle 6 rear ends and rifle pin 53 front ends are to be threaded, and rifle syringe needle 6, rifle pin 53 are arranged in the oil duct 52, and rifle syringe needle 6 is blocked explosion nozzle 5 when non-spray painting operation, and paint can not be sprayed.Rifle needle stand 11 front ends are connected with rifle pin 53 with screw thread, and rifle needle stand 11 rear sections put in the distributing valve 13.Rifle bolt steel wire 19 front ends insert in the centre bore of rifle needle stand 11, and weld with scolding tin, and rifle bolt steel wire 19 rear ends are passed distributing valve sealing ring 15, adjusted bolt 17, are fixed on the front end of rifle bolt 37 with screw 20.Splash ring 36 is packed in the annular groove of rifle bolt 37, and pack into the rifle bolt at the body of a gun 9 rear portions of rifle bolt 37 is indoor, reinstalls spring 35, screws in rifle bolt nut 24.Gunlock lock 39 gunlock 38 of packing into, and put in rifle bolt 37 notches, gunlock 38 is connected with the body of a gun 9 by 2 shaft type bolts 21, when gunlock 38 is the axle center rotation with the center of bolt 21, drags rifle bolt 37 circuit and oil circuit are connected simultaneously.The electric switch part is made up of switch 26, switch base 30, switch spring sheet 25, after switch 26 wiring 29, is installed on the switch base 30 with screw 27, and switch spring sheet 25 and switch base 30 usefulness screws 28 are solid down on the body of a gun 9 right sides.

Oil piping system comprises the oil duct of spraynozzle 2, explosion nozzle 5, oil duct with the body of a gun 9, the oil duct of the body of a gun 9 perpendicular to body of a gun part in the oil filter formed by oil cleaner screen 43, oil strain body 40, oil filter seat 41 of setting, on oil cleaner screen 43, be inserted in spring 42, put into pad 49 again, and screw in joint 48, in case leak-stopping oil.

The hydraulic system part, by the oil pipe assembly, paint container 62, filter 63, motor 64, worm gear reducer 65, overflow valve 66, accumulator 67, check valve 68, plunger displacement pump 69, flexible pipe 70 are formed, and its connected mode is seen Fig. 2.The oil pipe assembly is made up of flexible pipe 44, joint 45, pad 46, nut 47, when spray painting operation again with joint 48 to be threaded.

The electrostatic generator part, form by electrostatic generator 18 and high-tension cable 4, electrostatic generator 18 is made of known rectification multiple pressuring circuit, high-tension cable 4 passes the high-tension cable through hole 10 of handle 23, the body of a gun 9, explosion nozzle block 56, and its lead termination is welded on the high compression ring 59 that is arranged in the ejectisome 1.Other end high-tension cable 4 passes ejectisome 1, and the wire bonds of one end is on high compression ring 59, and the other end stretches out ejectisome 1, stretches out the part of ejectisome 1, is utmost point pin.

Claims (2)

1, the hydraulic pressure electrostatic spray equipment, comprise electrostatic generator, hydraulic system and by the ejectisome part, body of a gun part, oil piping system, the spray gun that oil circuit switching system and electric switch are partly formed, it is characterized in that said ejectisome part is made of ejectisome assembly and explosion injection assembly, the ejectisome assembly is by ejectisome 1, high compression ring 59, spraynozzle 2, pressure reducer 57, sealing ring 58, packing ring 60 is formed, high compression ring 59 is arranged in the high pressure annular groove in the ejectisome 1, spraynozzle 2, packing ring 60, sealing ring 58, pressure reducer 57, pack into the successively endoporus of ejectisome 1, the explosion injection assembly is by explosion nozzle 5, explosion nozzle block 56, sealing ring 7 is formed, explosion nozzle 5, sealing ring 7, pack into the successively centre bore of explosion nozzle block 56, ejectisome 1 is threaded with explosion nozzle block 56 by pressure cap 3, body of a gun part is by the body of a gun 9, distributing valve 13, distributing valve sealing ring 15, sealing ring 14, adjust bolt 17, snap ring 51, handle 23 is formed, in the body of a gun 9, be provided with oil duct 52, distribute valve chamber 61, rifle bolt chamber 55 and high-tension cable through hole 10, the rear end of the front end of the body of a gun 9 by big pressure cap 54 and explosion nozzle block 56 is to be threaded, distributing valve 13 is arranged on and distributes in the valve chamber 61, rifle needle stand 11 rear portions are provided with distributing valve sealing ring 15 in distributing valve 13, adjust bolt 17 and screw in distributing valve 13 from distributing valve 13 rear ends, handle 23 is fixed on the rear end of the body of a gun 9 by screw, snap ring 51 is screwed on the body of a gun 9, the oil circuit switching system is by rifle syringe needle 6, rifle pin 53, rifle needle stand 11, rifle bolt steel wire 19, rifle bolt 37, gunlock 38, gunlock lock 39, splash ring 36, spring 35 is formed, rifle syringe needle 6 rear ends and rifle pin 53 front ends are with after being threaded, be arranged in the oil duct 52, rifle needle stand 11 front ends are connected with rifle pin 53 with screw thread, rifle needle stand rear section puts in the distributing valve 13, rifle bolt steel wire 19 front ends insert in the centre bore of rifle needle stand 11, weld with scolding tin, distributing valve sealing ring 15 is passed in rifle bolt steel wire 19 rear ends, adjust bolt 17, be fixed on the front end of rifle bolt 37 with bolt 20, splash ring 36 is packed in the annular groove of rifle bolt 37, pack into the rifle bolt at the body of a gun 9 rear portions of rifle bolt 37 is indoor, reinstall spring 35, screw in rifle bolt nut 24, gunlock 38 is connected with the body of a gun 9 by 2 shaft type bolts 21.

2, hydraulic pressure electrostatic spray equipment according to claim 1 is characterized in that, in three annular grooves of distributing valve 13 sealing ring 12,14,16 is set respectively.