Burr grinding device for plastic-steel door and window production and grinding method thereof

The invention relates to the technical field of plastic-steel door and window machining and grinding equipment, in particular to a burr grinding device for plastic-steel door and window production and a grinding method thereof. The burr grinding device comprises a frame body, a motor and an air cylinder, the frame body comprises a machining chamber, the surface of the machining chamber is connected with a bottom column, and the surface of the bottom column is connected with a rubber pad; and the inner side of the machining chamber is movably connected with a conveying belt. According to the burr grinding device, through cooperation of a fixed plate, a pulley, a motor, a grinding box, a first spring column, a moving wheel, conical teeth, a second spring column, a grinding tool, rotating teeth and an air cylinder, flexible grinding of a machined object is facilitated, unnecessary loss of the machined object and loss of the grinding device during grinding are reduced, the service life of the device is prolonged,