Support reinforcing rib plate welding clamp

The utility model provides a welding clamp for a support reinforcing rib plate, belongs to the technical field of welding clamps, and aims to solve the problems that when an existing welding clamp is used, after the support reinforcing rib plate is welded, a worker needs to take down the support reinforcing rib plate from the clamp manually, the efficiency is low, and the labor intensity of the worker is large. Comprising a tool table, a clamping air cylinder, a clamping supporting frame, a positioning table, a reinforcing rib plate block and a discharging protection box. The two sets of clamping air cylinders are fixedly connected to the left side and the right side of the tool table correspondingly. The four sets of clamping supporting frames are fixedly connected to the left side and the right side of the upper portion of the tool table correspondingly. The multiple sets of positioning tables are arranged and fixedly connected to the upper portion of the tool table. The reinforcing rib plate block is arran