Powder coating system

摘要

A powder coating system which is provided with a rotating stage which makes a metal cylindrical member rotate while holding its internal circumferential surface, a first booth which covers part of the metal cylindrical member which is held by the rotating stage, and a second booth which holds the first booth. A powder coating introduction nozzle which is provided with a filling port of powder coating and a plurality of powder coating spray ports is provided so that a filling port is positioned at the outside of the second booth and so that the plurality of spray ports can be changed in position in the first booth to face surface parts of the metal cylindrical member. The sprayed powder coating is collected inside the second booth by a flow of air from a blow device and is removed by being sucked up by a powder collector.

主权项

1. A powder coating system for a metal cylindrical member comprising:
a rotating stage configured to rotate said metal cylindrical member in an upright vertical position, said rotating stage holds said metal cylindrical member in an upright vertical position by engaging an internal circumferential surface of said metal cylindrical member, a first booth which covers part of the metal cylindrical member which is held by the rotating stage, a second booth which encloses the first booth, said second booth is separated by a predetermined internal space from the first booth and said second booth surrounds a same part of the metal cylindrical member which is also surrounded by said first booth, said first booth has a first opening and said second booth has a second opening, said second opening overlaps said first opening such that said second opening is configured to enclose a first portion of said metal cylindrical member when said first portion of said metal cylindrical member is inserted into said first opening of said first booth, while said metal cylindrical member is inserted into said first opening and said second opening a second portion of said metal cylindrical is located outside said first booth and said second booth, said metal cylindrical member is configured to rotate while inserted in the first opening and said second opening, a powder coating introduction nozzle configured to spray a powder coating, said powder coating introduction nozzle is provided with a single powder coating filling port and a plurality of powder coating spray ports, wherein the single powder coating filling port is positioned at an outside of the second booth, and the plurality of spray ports are provided with powder coating introduction nozzles which are adjustable in position in the first booth to face a surface part of the metal cylindrical member, and said second booth has a powder collector provided with a hose which sucks up said powder coating sprayed by said powder introduction nozzles which is remaining inside the second booth.