Electric clamping jaw

The utility model discloses an electric clamping jaw which comprises a main body, a driving motor is arranged on the main body, and the driving motor drives a first gear arranged at the tail end of the driving motor to rotate. The first gear penetrates through the main body and is positioned on one side of the main body; a sliding table base is further arranged on one side of the main body, a guide rail is arranged on the sliding table base, a first sliding block and a second sliding block are arranged on the guide rail in a sleeving mode, the first sliding block and the second sliding block linearly move along the guide rail, a first rack is fixedly arranged on the lower portion of the first sliding block, a second rack is fixedly arranged on the lower portion of the second sliding block, and the first rack and the second rack are fixedly arranged on the main body. The first rack and the second rack are in meshing transmission connection through a first gear; a first clamping jaw is arranged on the first sli