Automatic polishing device of urea formaldehyde closestool cover plate

The utility model relates to an automatic polishing device of a urea formaldehyde closestool cover plate, which comprises a motor and a polishing wheel connected with the motor. The automatic polishing device is characterized in that the polishing wheel is arranged on a polishing wheel seat, and a sensor connected with the polishing wheel is arranged on the polishing wheel seat; a workbench which is provided with a sliding track and capable of moving forwards and backwards is vertical to the polishing wheel seat, and a vacuum sucker for fixing a workpiece is arranged on the workbench; and when the workbench drives the workpiece to move to a position with a set polishing force, the workpiece begins to rotate, the contact force between the workpiece and the rotating polishing wheel changes according to the shape change of the workpiece, the sensor feeds a force value signal back to a control system, and the control system controls the workbench to move forwards and backwards to reach a constant polishing force.