Welding tool for braking and centering positioning of automobile pull rod

The utility model relates to a welding tool for braking and centering positioning of an automobile pull rod, which comprises a bottom frame, two bearing seats are symmetrically arranged on two sides of the upper end of the bottom frame, a centering positioning mechanism is rotatably mounted on the inner side of each bearing seat, and a connecting plate is mounted between the lower portions of the two centering positioning mechanisms. Wherein a rotating wheel for driving the centering positioning mechanism to rotate is installed on the outer side of one bearing seat, a braking mechanism is arranged at the position, below the rotating wheel, of the side edge of the bottom frame, and a plurality of connecting rod positioning mechanisms are arranged at the position, between the two bearing seats, of the upper end of the connecting plate side by side. The device is complete in function, exquisite in structure, convenient to operate, high in workpiece positioning stability and consistency and convenient in size adj