WELDING WIRE PULSE FEED MECHANISM Russian patent published in 2007 - IPC B23K9/133 

FIELD: manufacturing welding equipment, namely attachments for pulse feed of welding wire to welding zone.

SUBSTANCE: mechanism includes housing where stationary clamp for wire and movable clamp made with possibility of motion along wire by means of reciprocation motion unit. The last includes bracket, roller, disc, electric motor, shaft and return spring. Disc is mounted in shaft of electric motor by inclination angle and it engages with roller secured to bracket rigidly mounted on movable clamp. Return spring is made with possibility of spring -loading of movable clamp to side of stationary clamp.

EFFECT: simplified design of mechanism with the same operational efficiency.

1 dwg