Clamping and overturning jig

The clamping and overturning jig comprises a jig base and a left rail, the left rail is fixedly assembled on the left side of the top end of the jig base, a right rail is fixedly assembled on the right side of the top end of the jig base, the right side of the right rail is fixedly connected with a vertical plate, and the top end of the left rail and the top end of the right rail are each provided with a wheel groove. A movable plate is arranged above the jig base, trundles are fixedly assembled at the four corners of the bottom end of the movable plate, the trundles are embedded in the wheel grooves to move, a reserved groove is formed in the inner side wall of the right rail, and a linear screw rod is movably assembled in the reserved groove. According to the clamping and overturning jig, the servo motor, the left track, the right track, the linear screw rod, the threaded block, the movable plate and the trundles are arranged, a remote controller workpiece is conveyed to a designated position under the driv