Sheetmetal welding positioning fixture

The utility model discloses a sheetmetal welding positioning fixture, including bottom plate, the holder shaft body, rod positioning mechanism, the axis body that holder shaft body head passed on thebottom plate overlaps and the articulated rod positioning mechanism of afterbody, pushes down rod positioning mechanism, and holder shaft body head compresses tightly the work piece under the effect of its inside stop nut and spring, and rod positioning mechanism hinges the dead point mechanism that forms by gangbar, rocker, base in order, and the position of its base on the bottom plate is adjustable. The utility model is suitable for a slim work piece processing, and amplitude adjustment clamping distance's plug -type anchor clamps greatly. 本实用新型公开了种金属片焊接定位夹具，包括底板、夹持轴体、连杆定位机构，夹持轴体头部穿过底板上的轴体套且尾部铰接连杆定位机构，下压连杆定位机构，夹持轴体头部在其内部的限位螺母和弹簧的作用下压紧工件，连杆定位机构是由联动杆、摇杆、基座按顺序铰接而成的死点机构，其基座在底板上的位置可调。本实用新型适用于薄型工件加工，且可大幅度调节夹持距离的推拉式夹具。