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Corona ring and electrostatic powder spray gun

A technology of electrostatic spray gun and corona ring, applied in the direction of spray electric energy device, spray discharge device, etc., can solve the problems of easy to be stained with powder and affect the effect of electricity absorption.

Pending Publication Date: 2021-08-13
宁波立成涂装技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a corona ring and a powder electrostatic spray gun, optimize the structure of the corona ring, and solve the problem that the exposed part of the corona ring electric suction needle is easily stained with powder and affects the electric absorption effect

Method used

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  • Corona ring and electrostatic powder spray gun
  • Corona ring and electrostatic powder spray gun
  • Corona ring and electrostatic powder spray gun

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Embodiment 1

[0033] A corona ring such as figure 1 The first embodiment of the invention is shown: it includes a ring housing 1 and a plurality of electricity-absorbing needles 2, the plurality of electricity-absorbing needles 2 are regularly arranged in a circular ring, and the plurality of electricity-absorbing needles 2 take the axial direction of the ring housing 1 as Evenly distributed in the center. The electricity-absorbing needles 2 are grounded, and the exposed part thereof will attract the corona of high-voltage static electricity radiated from the muzzle. The plurality of electricity-absorbing needles 2 attract electric charges at the same time, which can evenly and weaken the environmental magnetic field.

[0034] One end of the electricity-absorbing needle 2 is fixedly installed in the ring casing 1 , the upper surface of the ring casing 1 is provided with an air hole 3 , and the other end of the electricity-absorbing needle 2 penetrates out of the ring casing 1 through the ai...

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Abstract

The invention discloses a corona ring. The corona ring comprises a ring shell body and a plurality of electricity suction needles, one end of each electricity suction needle is fixedly installed in the ring shell body, an air hole is formed in the upper surface of the ring shell body, the other end of each electricity suction needle penetrates out of the ring shell body through the air hole, the ring shell body is provided with an air pipe, and air is guided in from the air pipe and exhausted from the air hole. The corona ring structure is optimized, and the problem that the electricity suction needles at the exposed part of the corona ring is prone to being stained with powder is solved.

Description

technical field [0001] The invention relates to the technical field of spraying equipment, in particular to a corona ring and a powder electrostatic spray gun. Background technique [0002] Powder electrostatic spray gun is mainly a spray tool for surface coating, mainly used for metal surface coating. The working principle of the powder electrostatic spray gun is: let the powder coating particles be sprayed from the nozzle of the gun head in an atomized state under the blowing of the auxiliary air flow. The needle can radiate an electrostatic field. When the atomized powder coating particles pass through the high-voltage electrostatic field, the powder will be charged with electrostatic charges, and finally the powder coating particles will be adsorbed on the surface of the sprayed workpiece with the opposite electrostatic charge. This spraying process is an electrostatic spraying process. However, because the electric field will interact with other surrounding objects, t...

Claims

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Application Information

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IPC IPC(8): B05B5/03B05B5/053
CPCB05B5/03B05B5/053
Inventor 龙开成刘君龙开华龙开相毛鹏磊
Owner 宁波立成涂装技术有限公司
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