CN211275075U

CN211275075U - Friction static gun

Info

Publication number: CN211275075U
Application number: CN201921894320.0U
Authority: CN
Inventors: 薛永波
Original assignee: Baifu Feifan Mechanical/electric Equipment Kunshan Co ltd
Current assignee: Baifu Feifan Mechanical/electric Equipment Kunshan Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-18
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a friction electrostatic gun, it includes the body of a gun, install the friction lever subassembly in this body of a gun, install spout claw subassembly and the back seat at both ends around this body of a gun, be equipped with powder union coupling and blender blow gun subassembly on the back seat, powder union coupling is located blender blow gun subassembly the place ahead, the friction lever subassembly is including installing the memory cover in the body of a gun and wearing to locate the friction lever in the memory cover and installing in the cyclone of friction lever rear end, be formed with unevenness's friction clearance between friction lever outer wall and the memory cover inner wall, friction clearance import department is arranged in to the spiral air outlet of cyclone. Because the utility model discloses the messenger adopts frictional mode to form static, and it need not to install parts such as high-tension electricity needle, high tension apparatus and wire to this complexity of simplifying the product structure makes the structure become simpler, and need not the circular telegram and uses, and the cost is lower, can not appear ion repulsion yet and lead to the phenomenon that the secondary is bad recoated, has guaranteed the spraying quality, and has efficient work efficiency.

Description

Friction static gun

The technical field is as follows:

the utility model relates to a friction static powder spraying technical field refers in particular to a friction static rifle.

Background art:

in many spray coating methods, powder spray coating has advantages such as saving resources and preventing emission of volatile organic compounds because of no use of a solvent, and good strength of a coating film, compared with spray coating using a liquid coating material in which a coating film is formed by drying using a solvent. Further, since the coating material not applied to the object to be sprayed can be recovered and reused, it is a spraying method which is excellent in terms of effective utilization of resources. On the other hand, among various powder coating methods, powder coating using a spray gun is widely used as a coating method which has high versatility and can be used for coating objects to be coated in a wide range. In addition, electrostatic spraying is desired which can improve the coating efficiency of the sprayed coating material by using the coating efficiency by high-voltage electrostatic generation and can effectively utilize resources, and is expected to be widely spread as such effective spraying methods.

Since the powder coating material itself has no coatability on the object to be sprayed, a general spray gun for powder spraying has a function of coating and adhering the sprayed powder to the object to be sprayed by using high-voltage static electricity, and can be configured as an electrostatic spray gun. Therefore, when the powder coating material is made to flow by the compressed air, the powder coating material is fed into the spray gun, sprayed from the spray opening provided at the tip, charged in the ionization space formed by the discharge of the charged electrode, and effectively attached to the object to be sprayed by the electric field formed toward the object to be sprayed.

The electrostatic spray gun in the prior art adopts a high-voltage electric needle to discharge and ionize air to form static electricity, so that the internal structure of the electrostatic spray gun is complex, the electrostatic spray gun is inconvenient to maintain and needs to be electrified for use, the cost is higher, the phenomenon of ion repulsion can occur, secondary bad recoating is caused, the working efficiency is influenced, and the electrostatic spray gun is inconvenient to use.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a friction electrostatic gun.

In order to solve the technical problem, the utility model discloses a following technical scheme: the friction electrostatic gun comprises a gun body, a friction rod assembly arranged in the gun body, a spray claw assembly arranged at the front end of the gun body and a rear seat arranged at the rear end of the gun body, wherein a powder pipe joint and a mixer blow gun assembly are arranged on the rear seat, the powder pipe joint is positioned in front of the mixer blow gun assembly, the friction rod assembly comprises a memory sleeve arranged in the gun body, a friction rod penetrating the memory sleeve and a cyclone arranged at the rear end of the friction rod, an uneven friction gap is formed between the outer wall of the friction rod and the inner wall of the memory sleeve, and a spiral air outlet of the cyclone is arranged at the inlet of the friction gap.

Further, in the above technical solution, the outer wall of the friction rod is formed with a plurality of friction grooves.

Furthermore, in the above technical scheme, a pointed cone is formed at the rear end of the cyclone, and the spiral air inlets of the cyclone are uniformly distributed on the periphery of the pointed cone.

Furthermore, in the above technical solution, the spray claw assembly includes a spray claw, and a connecting sleeve and a first fixing ring for fastening the spray claw to the front end of the gun body, wherein a support frame is installed in the connecting sleeve, and the support frame contacts with the front end of the friction rod.

Further, in the above technical solution, the spray claw includes a plurality of spray pipes arranged in a straight line shape, an L shape, or a circle.

Further, in the above technical solution, the mixer nozzle assembly includes a mixer nozzle penetrating the rear end of the rear seat and a quick coupling fixedly connected to the mixer nozzle.

Furthermore, in the above technical scheme, the upper end of the rear seat is provided with a detachable movable joint seat and a fixing screw which is installed at the upper end of the movable joint seat and is used for fixing the movable joint seat with the gun rack.

Furthermore, in the above technical scheme, the rear end of the gun body is fixedly connected with the rear seat through the second fixing ring.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses the during operation, let in the powder along powder coupling, and let in high-pressure gas along this blender blow gun subassembly, this high-pressure gas blows the powder to the cyclone, this cyclone will have the high-pressure gas of powder to form the whirlwind state, and during the spiral dispersion advances this unevenness's friction clearance, this high-pressure gas that has the powder constantly rubs in unevenness's friction clearance in order to form static, make the high-pressure gas that has the powder have static by the way, at last by spouting claw subassembly blowout, and spout on the article that needs the spraying, with this completion spraying work. Because the utility model discloses the messenger adopts frictional mode to form static, and it need not to install parts such as high-tension electricity needle, high tension apparatus and wire to this complexity of having simplified the product structure greatly makes the structure become simpler, and need not the circular telegram and use, and the cost is lower, can not appear ion repulsion yet and lead to the phenomenon that the secondary is bad recoated, has guaranteed the spraying quality, and has efficient work efficiency, and it is also very convenient to use, the order the utility model discloses extremely strong market competition has.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of another perspective of the present invention;

fig. 3 is an exploded perspective view of the present invention;

fig. 4 is a cross-sectional view of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-4, the tribostatic gun includes a gun body 1, a friction rod assembly 2 installed in the gun body 1, a spray claw assembly 4 installed at the front end of the gun body 1, and a rear seat 3 installed at the rear end of the gun body 1, wherein a powder pipe joint 5 and a mixer blow nozzle assembly 6 are arranged on the rear seat 3, the powder pipe joint 5 is located in front of the mixer blow nozzle assembly 6, the friction rod assembly 2 includes a memory sleeve 21 installed in the gun body 1, a friction rod 22 penetrating the memory sleeve 21, and a cyclone 23 installed at the rear end of the friction rod 22, an uneven friction gap 20 is formed between the outer wall of the friction rod 22 and the inner wall of the memory sleeve 21, and a spiral air outlet 231 of the cyclone 23 is located at an inlet of the friction gap 20. The utility model discloses the during operation, let in the powder along powder coupling 5, and let in high-pressure gas along this blender blow gun subassembly 6, this high-pressure gas blows the powder to cyclone 23, this cyclone 23 will have the high-pressure gas of powder and form the whirlwind state, and the spiral dispersion advances in this unevenness's friction clearance 20, this high-pressure gas that has the powder constantly rubs in unevenness's friction clearance 20 in order to form static, make the high-pressure gas that has the powder attach there is static, at last by spouting claw subassembly 4 blowout, and spout on the article that needs the spraying, accomplish spraying work with this. Because the utility model discloses the messenger adopts frictional mode to form static, and it need not to install parts such as high-tension electricity needle, high tension apparatus and wire to this complexity of having simplified the product structure greatly makes the structure become simpler, and need not the circular telegram and use, and the cost is lower, can not appear ion repulsion yet and lead to the phenomenon that the secondary is bad recoated, has guaranteed the spraying quality, and has efficient work efficiency, and it is also very convenient to use, the order the utility model discloses extremely strong market competition has.

A plurality of friction grooves 221 are formed on the outer wall of the friction bar 22, so that the uneven friction gap 20 is formed between the outer wall of the friction bar 22 and the inner wall of the inner memory sleeve 21.

The cyclone 23 is formed with a pointed cone 232 at the rear end, and the spiral air inlet of the cyclone 23 is uniformly distributed on the periphery of the pointed cone 232, so that the gas can be changed into spiral gas.

The spray jaw assembly 4 comprises a spray jaw 41, a connecting sleeve 42 and a first fixing ring 43, wherein the connecting sleeve 42 is used for fastening the spray jaw 41 to the front end of the gun body 1, a supporting frame 44 is arranged in the connecting sleeve 42, and the supporting frame 44 is contacted with the front end of the friction rod 22.

The spray claw 41 includes a plurality of spray pipes 411 arranged in a straight line shape, an L shape, or a circle, so as to increase the spray area.

The mixer nozzle assembly 6 comprises a mixer nozzle 61 penetrating the rear end of the rear seat 3 and a quick coupling 62 fixedly connected with the mixer nozzle 61, and the quick coupling 62 is externally connected with a high-pressure air pipe.

The upper end of the rear seat 3 is provided with a detachable movable joint seat 31 and a fixing screw 32 which is arranged at the upper end of the movable joint seat 31 and is used for fixing with a gun rack.

The rear end of the gun body 1 is fixedly connected with the rear seat 3 through a second fixing ring 7.

To sum up, the utility model discloses the during operation lets in the powder along powder coupling 5, and lets in high-pressure gas along this blender blow gun subassembly 6, this high-pressure gas blows the powder to cyclone 23, this cyclone 23 will have the high-pressure gas of powder and form the whirlwind state, and the spiral dispersion advances in this unevenness's friction clearance 20, this high-pressure gas that has the powder constantly rubs in unevenness's friction clearance 20 in order to form static, the high-pressure gas that makes to have the powder has static by the way, spout claw subassembly 4 blowout at last, and spout on the article that needs the spraying, with this completion spraying work. Because the utility model discloses the messenger adopts frictional mode to form static, and it need not to install parts such as high-tension electricity needle, high tension apparatus and wire to this complexity of having simplified the product structure greatly makes the structure become simpler, and need not the circular telegram and use, and the cost is lower, can not appear ion repulsion yet and lead to the phenomenon that the secondary is bad recoated, has guaranteed the spraying quality, and has efficient work efficiency, and it is also very convenient to use, the order the utility model discloses extremely strong market competition has.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A triboelectrostatic gun, characterized in that: which comprises a gun body (1), a friction rod component (2) arranged in the gun body (1), a spray claw component (4) arranged at the front end of the gun body (1) and a rear seat (3) arranged at the rear end of the gun body (1), the rear seat (3) is provided with a powder pipe joint (5) and a mixer blow nozzle component (6), the powder pipe joint (5) is positioned in front of the mixer blow nozzle component (6), the friction rod component (2) comprises an internal memory sleeve (21) arranged in the gun body (1), a friction rod (22) arranged in the internal memory sleeve (21) in a penetrating way and a cyclone (23) arranged at the rear end of the friction rod (22), an uneven friction gap (20) is formed between the outer wall of the friction rod (22) and the inner wall of the internal memory sleeve (21), the spiral air outlet (231) of the cyclone (23) is arranged at the inlet of the friction gap (20).

2. A tribostatic gun as claimed in claim 1, wherein: the outer wall of the friction rod (22) is formed with a plurality of friction grooves (221).

3. A tribostatic gun as claimed in claim 1, wherein: a sharp cone (232) is formed at the rear end of the cyclone (23), and spiral air inlets of the cyclone (23) are uniformly distributed on the periphery of the sharp cone (232).

4. A tribostatic gun according to any of claims 1 to 3, characterized in that: the spray claw assembly (4) comprises a spray claw (41), a connecting sleeve (42) and a first fixing ring (43), wherein the connecting sleeve (42) is used for fastening the spray claw (41) to the front end of the gun body (1), a supporting frame (44) is installed in the connecting sleeve (42), and the supporting frame (44) is in contact with the front end of the friction rod (22).

5. A tribostatic gun according to claim 4, wherein: the spray claw (41) comprises a plurality of spray pipes (411) which are arranged in a straight shape, an L shape or a circle.

6. A tribostatic gun according to claim 4, wherein: the mixer blow nozzle component (6) comprises a mixer blow nozzle (61) arranged at the rear end of the rear seat (3) in a penetrating way and a quick connector (62) fixedly connected with the mixer blow nozzle (61).

7. A tribostatic gun according to claim 4, wherein: the upper end of the rear seat (3) is provided with a detachable movable joint seat (31) and a fixing screw (32) which is arranged at the upper end of the movable joint seat (31) and is used for fixing with a gun rack.

8. A tribostatic gun according to claim 4, wherein: the rear end of the gun body (1) is fixedly connected with the rear seat (3) through a second fixing ring (7).