Automatic electrical clamp

The utility model discloses an automatic electrical clamp which comprises a base, a machine box is fixedly arranged at the rear end of the upper end of the base, a driving motor is fixedly arranged on one side of the machine box, the output end of the driving motor is fixedly connected with a bidirectional lead screw, and sliding blocks are installed on the outer walls of the two sides of the bidirectional lead screw in a threaded mode. And a connecting piece is fixedly connected to the front end of the sliding block, a supporting rod is fixedly connected to the front end of the connecting piece, an adjusting motor is fixedly connected to the front end of the supporting rod, a fixing plate is fixedly arranged at the front end of the adjusting motor, and a first clamping plate is fixedly arranged on one side of the fixing plate. According to the automatic electrical clamp provided by the utility model, the clamping surfaces of the clamping blocks can be automatically replaced, so that different surfaces can be