Patent ID: 6034351
Filing Date: 2000-03-07
Classification: B08B,B23K

Abstract:
A cleaning apparatus for a welding torch nozzle comprising:a cylindrical container;a screen member removably disposed at a lower end of said container and having a funnel-shaped member in an inner periphery thereof;an air nozzle mechanism having an injection nozzle disposed above said screen member within said container;a suction tube disposed under said nozzle;an upwardly inclined injection port between said nozzle and said tube;an air introduction chamber surrounding said injection port and connected to an air pressure introduction tube;a cover plate disposed around an open upper end of said container so as to protect and mount an attachment apparatus and having an air guide extending over an air discharge port provided near said upper end;a removable filter inserted from the upper end of said container and covering said air discharge port from inside the container;a top plate covering the open upper end of said container, having a torch nozzle insertion hole in the center thereof coaxial with said injection nozzle and a recess portion for receiving a seal mechanism in correspondence to the torch nozzle in an inner periphery thereof;a seal mechanism disposed in said recess portion;a nozzle sensor having a front end formed in a fork shape;a switch main body supporting said sensor and operated thereby, said main body extending through said container whereby said sensing portion front end comprises a torch nozzle sensing mechanism fixed in such a manner as to be positioned immediately below said torch nozzle insertion hole; anda small rigid ball supported on said screen member.