Workpiece position correction system for stamping part automatic welding line

The invention discloses a workpiece position correction system for a stamping part automatic welding line. The workpiece position correction system comprises a pin shaft and a supporting table. The pin shaft sequentially comprises a positioning section, an upper conical section, an assembling section and a lower conical section from top to bottom, the upper conical section and the lower conical section are coaxial, and the conical surfaces of the upper conical section and the lower conical section face opposite directions; the surface of the supporting table is provided with a through hole for the pin shaft to penetrate through, limiting bodies are arranged on the upper side and the lower side of the supporting table respectively, and conical holes capable of being combined with the conical surfaces of the upper conical section and the lower conical section are formed in the limiting bodies. The pin shaft can return to rigid fixation, the positioning precision is guaranteed, the position of the pin shaft can