Workpiece height automatic adjusting device and control method

The invention discloses an automatic workpiece height adjusting device and a control method.The automatic workpiece height adjusting device comprises a frame, the upper side and the lower side of the frame are each fixedly provided with two bottom plates, a platform plate is arranged between the bottom plates, and a displacement assembly used for transversely moving a workpiece is arranged on the platform plate; the upper side of the displacement assembly is provided with an adjusting assembly which is fixedly arranged on the frame and used for transverse positioning and height adjustment judgment of a workpiece, the bottom plate on the upper side is provided with a camera, a photoelectric induction control device is introduced, whether the relative position of a measured object and the camera meets the standard or not is judged through feedback information of the photoelectric induction control device, and a transmission mechanism is adopted; a mechanical device is driven to act accurately, intelligent synch