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Automatic powder spraying system

A powder spraying and automatic technology, applied in spray booths, spraying devices, liquid spraying equipment, etc., can solve the problems of uneven spraying and difficulty in evenly distributing the surface of the workpiece

Inactive Publication Date: 2015-01-21
浙江德立自动化装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional powder spraying is carried out in the spray booth, but because the powder is sprayed from the muzzle under the action of gravity or air flow, it is difficult to evenly distribute on the surface of the workpiece, resulting in uneven spraying

Method used

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] The automatic powder spraying system includes a spray bin 100 , a multi-pipe cyclone separator 200 and a filter 300 ; the input end of the multi-pipe cyclone separator 200 is connected with the spray bin 100 , and the output end is connected with the filter 300 .

[0021] The spray tank 100 includes a tank shell 101, and two ends of the tank shell 101 are respectively provided with a material inlet 102 and a material outlet 103. Both the feed inlet 102 and the discharge outlet 103 are equipped with a screw generator 104 . The spiral generator 104 includes an outer shell and an inner shell; the inner shell and the outer shell are coaxial. The workpiece penetrates the inner casing of the helical generator 104 . The shell is provided with a powder inlet pipe 105 . The powder inlet pipe 105 communicates with the powder bin.

[0022] The powder in the p...

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Abstract

An automatic powder spraying system belongs to the technical field of spraying devices. The automatic powder spraying system comprises a spraying bin, a multi-tube cyclone separator and a filter. The input end of the multi-tube cyclone separator is connected with the spraying bin, and the output end of the multi-tube cyclone separator is connected with the filter. The spraying bin comprises a bin casing, and a material inlet and a material outlet are arranged at two ends of the bin casing respectively. Spiral generators are installed on the material inlet and the material outlet respectively. Each spiral generator comprises an outer casing and an inner casing which are coaxial. Powder inlet tubes are arranged on the outer casings and communicated with the spraying bin. The automatic powder spraying system spirally sprays workpieces. Compared with direct spraying of the traditional spray guns, spiral spraying can offset the effect of gravity as far as possible and enables the surfaces of the workpieces to be evener. The automatic powder spraying system is more applicable to spraying of cables and other strip-shaped objects. During spraying, the workpieces only need to move laterally without rotating, thereby omitting chain locks for hanging the workpieces and rotating devices for rotating the workpieces adopted by the traditional spraying system.

Description

technical field [0001] The invention belongs to the technical field of spraying devices, in particular to an automatic powder spraying system. Background technique [0002] The powder coating enters the powder electrostatic spray gun from the powder feeder through the powder delivery pipe under the action of purified compressed air. Metal rings or pole needles with sharp edges are installed on the spray gun head as electrodes. When the electrode is connected to high-voltage static electricity, corona discharge will be generated, and dense negative charges will be generated near the electrode. When the powder coating is sprayed from the head of the electrostatic powder spray gun, it will capture the charge and be negatively charged, and fly to the workpiece under the action of airflow and electric field and adsorb on its surface. [0003] The coating adhesion of powder spraying is much higher than that of similar liquid coatings, and it has the mechanical properties of impa...

Claims

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Application Information

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IPC IPC(8): B05B5/14B05B15/12B05B15/04
CPCB05B5/14B05B12/16B05B16/00
Inventor 张德培
Owner 浙江德立自动化装备股份有限公司
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