Welding wire feeding device capable of adjusting welding wire height

The utility model discloses a welding wire feeding device capable of adjusting the height of a welding wire, and relates to the technical field of brazing. According to the welding wire feeding device capable of adjusting the height of the welding wire, a storage air bag can be filled with nitrogen through a height adjusting mechanism and a gas conveying pipe, when the nitrogen is in a piston cylinder, a piston can be pushed upwards, and at the moment, the interior of a telescopic sleeve can extend to the top along the bottom of the piston cylinder; the height of the wire feeder can be increased upwards in the extending process, the height can be freely adjusted through treading, the situation that a worker needs to bend down to press a control panel is avoided, and lumbar muscle strain can be effectively avoided. 本实用新型公开了一种焊丝高度可调的焊接送丝装置，本实用新型涉及钎焊技术领域。该焊丝高度可调的焊接送丝装置，通过高度调节机构，利用输气管可以将储蓄气囊的内部充满氮气，而氮气在活塞筒的内部时，能将活塞向上推动，此刻伸缩套筒内部会顺着活塞筒的底部延伸到顶部，这使得在延伸的过程中能让送丝机的高度会向上延伸，通过踩踏可以自由的调节高度，避免工作人员需要弯腰按压控制面板，能有效避免腰肌劳损。