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Coating gun device

A spraying gun and spraying liquid technology, applied in the direction of spraying device, liquid spraying device, etc., can solve the problems of uneven spraying color, environmental pollution of paint, low spraying efficiency, etc., achieve uniform film pressure distribution, uniform particle velocity distribution, and improve Effect of Adhesion Efficiency

Inactive Publication Date: 2003-04-02
KAKOU ZOUKI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned spraying liquid 6 limits its spraying direction by the cover 3, it will fly everywhere under the influence of the wind, which is the cause of uneven spraying color and low spraying efficiency.
That is, in outdoor spraying in shipyards, etc., the adhesion rate of paint to the sprayed surface is less than 50%, which not only involves economic problems, but also causes pollution to the environment around the factory due to the scattering of paint.

Method used

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Embodiment Construction

[0024] Embodiments of the present invention are described below with reference to the drawings.

[0025] figure 1 It is a partial perspective view near the cover of the spraying device of the present invention, figure 2 is the central section. In this figure, 1b is a spray pipe, 2 is a nozzle of paint, 3 is a cover, 4 is a nozzle body fixing nut, and 5 is a bolt, which is the same as Figure 11 and Figure 12 While the existing arrangement is shown unchanged, the cover 3 of the present invention has an improved structure as described below.

[0026] 3a is a concave alcove with a certain volume surrounding the periphery of the nozzle body 2. The volume of the alcove 3a is such that the outside air can be properly retained in the alcove, and its inner diameter R is about 1.5r~ 2r, the size of its depth S is also 1.5r-2r.

[0027] 8 is the through-holes for inflowing outside air that are arranged at equal intervals adjacent to the approximate center of the inclined wall 3b ...

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Abstract

he invented spray-coating gun device includes main body, central part in the main body, nozzle body for spraying the coating liquid, conical or circular plate shaped cover surrounding the said spraying nozzle body, several air inlet holes on the surface of cover, several compressed air spraying holes on outer peripheral edge of cover with 1-25 deg. of inclination to the parallel line.

Description

technical field [0001] The present invention relates to a spray gun device for spraying paint on objects to be sprayed. Background technique [0002] It is a known technique to install a cover in a spray gun device for spraying a spray, Figure 11 for existing installations. Its structure is as follows, 1 is the main body of the spray gun, 2 is the nozzle body at the front of the main body, 3 is a cover surrounding the nozzle body, 4 is a nut installed on the nozzle body, and the cover 3 is fixed on the outer periphery with bolts 5 , by operating the trigger 1a on the main body 1 side, the atomized spray liquid 6 is sprayed out like a thin line against the object 7 to be sprayed. [0003] When the hydraulic pressure of the above device is 40 to 250 atmospheres, the best spraying distribution effect can be obtained when the spraying distance is 30 centimeters to 35 centimeters from the spraying surface. If it is sprayed at a position farther than this distance, the paint wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B7/06B05B9/01B05B15/04
CPCB05B15/0431B05B12/18
Inventor 桑原启臣
Owner KAKOU ZOUKI