Electric welding machine square bridge testing mechanism

The utility model discloses an electric welding machine square bridge testing mechanism, which belongs to the technical field of rectification square bridge testing and comprises a base station, a plurality of rectification square bridges and an eight-station indexing turntable. An insulation test station, an insulation test material dropping manipulator, a first electrical test station, a first electrical test material dropping manipulator, a second electrical test station, a second electrical test material dropping manipulator, a bar code LOG printing station and a bar code LOG printing material dropping manipulator are correspondingly arranged right above the plurality of placement stations; a first discharging area, a second discharging area, a third discharging area and a fourth discharging area are correspondingly arranged on one side of the insulation test discharging manipulator, one side of the first electrical test discharging manipulator, one side of the second electrical test discharging manipulat