Welding tool for front frame of battery frame

The utility model relates to the technical field of battery frames, in particular to a welding tool for a front frame of a battery frame, which comprises a platform, four second pneumatic clamping devices are arranged on one side of the platform side by side, and four first pneumatic clamping devices are arranged on one side, far away from the second pneumatic clamping devices, of the platform. Through the arrangement of the second pneumatic clamping devices and the first pneumatic clamping devices, the four second pneumatic clamping devices on one side of the platform are started, and after the four second pneumatic clamping devices are started, the clamping ends of the four second pneumatic clamping devices can turn over by 90 degrees to be clamped on the upper surface of a workpiece; then a plurality of first pneumatic clamping devices on the side, away from the second pneumatic clamping device, of the platform are started, after the first pneumatic clamping devices are started, the clamping ends of the fi