Electronic and electrical device welding tool

The utility model belongs to the technical field of electrical welding equipment, and particularly relates to an electronic and electrical device welding tool which comprises a workbench, a welding arm and a vertical plate are fixed to the upper end of the workbench, the vertical plate is arranged in the middle of the workbench, and a speed reducer is fixed to the side face of the vertical plate.An output shaft of the speed reducer penetrates through a through hole formed in the vertical plate and is fixedly connected with the middle of the transverse connecting rod, the fixed clamp is composed of a movable clamp body, a sliding block, a clamp body, a pneumatic rod and a pneumatic cylinder, one end of the pneumatic rod is fixedly connected with the sliding block, and one end of the movable clamp body is movably connected with the clamp body through a pin shaft. The movable plier body is arranged at the upper end of the plier body, a round hole is formed in the middle of the workbench,the lower end of the funn