Clamp replacing device

The utility model discloses a fixture replacement device, including box, jacking subassembly and fixture subassembly, the box includes the flap mechanism, the flap mechanism includes the cover plate, the jacking subassembly includes the jacking drive piece and the jacking plate of transmission connection, the fixture subassembly at least includes the first fixture and the second fixture, and the first fixture and the second fixture are in transmission connection. The first clamp and the second clamp can be placed at the left end and the right end of the jacking plate respectively, limiting grooves are formed in the two ends of the jacking plate, limiting protruding blocks are arranged on the two sides of the first clamp and the two sides of the second clamp, and the limiting protruding blocks can be inserted into the limiting grooves. According to the utility model, the clamp of the clamping device can be replaced so as to respectively clamp different materials, the replacement speed is high, and the producti