A food processing system includes a driving pulley, a driven pulley, a motor, a belt, and an actuator. The motor is configured to rotate the driving pulley. The belt is connected with the driving pulley and the driven pulley. The driving pulley is configured to rotate the belt. The belt is configured to rotate the driven pulley. The actuator is connected with the driven pulley. The actuator is configured to move the driven pulley relative to the belt between an extended position and a retracted position.