Grinding device with chip removing function for flange production and machining and using method

The invention discloses a flange production and machining grinding device with a chip removing function and a using method. The flange production and machining grinding device comprises a box body, a workbench is riveted to the top of the box body, a vertical plate is riveted to the left side of the top of the workbench, a transverse plate is riveted to the top of the right side of the vertical plate, and a grinding mechanism is connected to the top of the transverse plate through bolts; a hydraulic rod is connected to the bottom of the left side of the vertical plate through bolts, the output end of the hydraulic rod penetrates through the vertical plate and is fixedly connected with a push plate, supporting plates are riveted to the front side and the rear side of the top of the box body, and first electric push rods are connected to the opposite sides of the supporting plates through bolts; the end, close to the supporting plate, of the first electric push rod penetrates through the supporting plate and is