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Electrostatic powder spray gun with built-in ion collector

An ion collector and electrostatic powder technology, applied in the direction of spray discharge device, etc., can solve the problems of easy collision of circuit rods, difficult to clean, inconvenient to clean, etc., and achieve the effects of strong integrity, light weight and simple structure

Inactive Publication Date: 2011-04-27
YU TUNG ZHONGSHAN ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method has the following disadvantages: ① powder is easily adsorbed in the gap between the external multi-needle ring and the outer diameter of the spray gun barrel, and it is not easy to clean up
②The external multi-needle ring and the grounding loop rod are easy to collide and damage, and it is not easy to clean

Method used

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  • Electrostatic powder spray gun with built-in ion collector
  • Electrostatic powder spray gun with built-in ion collector
  • Electrostatic powder spray gun with built-in ion collector

Examples

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Embodiment

[0030] Example: Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, an electrostatic powder spray gun with a built-in ion collector of the present invention mainly includes an electrostatic spray gun barrel 14, an integrated spray gun locking cap 1, a discharge needle seat 3, a discharge needle 2, and a flat spray guide port 4 and the ion collection ring 5, the ion collection ring 5 is embedded in the front of the integrated spray gun locking cap 1, except the outer edge of the ion collection ring 5 is exposed, the rest of the ion collection ring 5 is embedded in the integrated spray gun locking cap 1 internal. A plurality of toothed electrodes 6 are arranged outside the ion collection ring 5 . The integrated spray gun locking cap 1 of the electrostatic spray gun is provided with a grounding wire channel 7 inside, and the grounding loop lead 8 is passed through the grounding wire channel 7, and one end of the grounding loop lead 8 is electrically connected to the ion c...

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Abstract

The invention discloses an electrostatic powder spray gun with a built-in ion collector, which mainly comprises an electrostatic spray gun tube, an integrated spray gun locking cap, a discharge needle seat, a discharge needle, a flat spray flow guiding port and an ionic collecting ring and is characterized in that the ionic collecting ring is inlaid into the front part of the integrated spray gun locking cap, the outer side edge of the ionic collecting ring is exposed, and the rest part of the ionic collecting ring is inlaid into the inner part of the integrated spray gun locking cap. The electrostatic powder spray gun is easy to clean, has reasonable and compact structure and can completely avoid the problem of power concealment inside gaps; and a wire guiding passage is arranged on the side face of the integrated spray gun locking cap, a ground-return circuit lead wire penetrates inside the wire guiding passage, and one end of the ground-return circuit lead wire is electrically connected with the ionic collecting ring, therefore, the grounding reliability is high and the stability of a spraying process is improved.

Description

Technical field: [0001] The invention mainly relates to an electrostatic powder spray gun with a built-in ion collector. Background technique: [0002] During electrostatic powder spraying, the powder on the nozzle of the spray gun is sprayed out by pneumatic conveying power, and corona charging is carried out at the front of the spray gun muzzle. Generally, the corona charging electrode is usually connected to a negative high voltage generator in the range of (10-110) KV , during powder spraying, the tip of the discharge needle releases free ions to the workpiece, most of the charged ions in the electrostatic field will charge the powder particles in the atomized state, and the remaining small part of the free ion charges will not charge the powder particles, but this part Free ions will also fly to the surface of the workpiece, because the workpiece is grounded, and the potential difference between the two will inevitably lead to the adsorption of some free charged ions on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B5/025
Inventor 柯儒群
Owner YU TUNG ZHONGSHAN ENG
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