Seat support welding equipment

The utility model provides seat support welding equipment which is used for solving the technical problem that in the prior art, when a seat leg and a support are welded, an operator needs to clamp, take and place the seat leg to be welded frequently, and therefore welding efficiency is affected. The utility model discloses seat support welding equipment which comprises a horizontally-arranged operation plate, two clamping assemblies are arranged at the top end of the operation plate in a bilateral symmetry mode, a sliding groove with an upward opening is formed in the top end of the operation plate and extends in the front-back direction, and the sliding groove is formed between the two clamping assemblies. A transmission block capable of moving in the length direction of the sliding groove is slidably arranged in the sliding groove, an air cylinder is fixedly arranged at the top end of the transmission block, the telescopic end of the air cylinder is vertically upward, and a support stabilizing assembly is