Thermocompression welding clamp

The utility model discloses a thermocompression welding clamp, and belongs to the technical field of thermocompression welding auxiliary equipment. Comprising a thermocompression welding machine body, a clamp is fixedly arranged at the bottom end of the thermocompression welding machine body and comprises a first clamping block fixedly arranged at the bottom end of the thermocompression welding machine body, one side of the first clamping block is slidably connected with a second clamping block through two sliding rods, one side of one sliding rod is fixedly connected with a clamping plate, and a linkage structure is arranged on the other side of the clamping plate; the circuit board is clamped and limited on the inner side of the clamp through the linkage structure, through the arrangement of the linkage structure, the moving force of the sliding rod is converted into the moving force of the two clamping plates, the second clamping block is pulled, the two clamping plates move synchronously to form a large c