Square silencer shield and connecting bracket welding tool

The invention discloses a square silencer shield and connecting bracket welding tool comprising a pedestal, a side support and a n-shaped top press seat; a guide rail support and a control support are arranged on the pedestal; the guide rail support and the side support are symmetrically arranged on the pedestal; ends of two vertical edges of the n-shaped top press seat are respectively provided with a vertical positioning hole; a vertical positioning insert bar is arranged in the vertical positioning hole; a transverse guide rail insert bar is arranged on the guide rail support; a transverse control pusher is arranged on the control support; the front end of a transverse push rod of the transverse control pusher is provided with a thread fixed screw rod; the side face of the side support is provided with a press positioning crossbar. The square silencer shield and connecting bracket welding tool is simple in structure, strong in positioning reliability, can effectively control silencer shield offset, thus im