Method and device for electrostatic coating
A technology of electrostatic spraying and spraying materials, which is applied in the direction of liquid supply devices, etc., can solve the problems of uneconomical electrostatic spraying equipment, increased consumption and increase of conductive spraying materials, etc., and achieve economical and effective electrostatic spraying treatment, simple treatment and device Effect
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[0039] FIG. 1 is a schematic diagram of an electrostatic spraying apparatus 10 used to perform the electrostatic spraying method according to the present invention.
[0040] The electrostatic spraying equipment 10 includes a grounded color changer valve mechanism 12, has a first cleaning valve 14 for controlling the supply of dry air (A), water (W), cleaning liquid (S), etc., and can supply different colors A plurality of spray material valves 16a, 16b, 16c of conductive spray material. The blocking valve mechanism 20 is connected to the color changer valve mechanism 12 through the supply passage 18 a, and the first discharge passage 23 is connected to the supply passage 18 a through the first damping valve 21.
[0041] The blocking valve mechanism 20 has an electrically insulating tube (supply passage) 18b made of resin and a pair of directional control valves 22a, 22b connected to opposite ends of the electrically insulating tube 18b. The direction control valve 22a on the inlet...
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