Scrap collecting device for steel coil inner core machining

The utility model relates to a scrap collecting device for steel coil inner core machining, which comprises a bottom frame, a support arm plate, a mounting plate, a rotating motor, a rotating shaft, a support device, a polishing grinding wheel, a polishing motor, a translation mechanism and a lifting mechanism, dust suction pipes are arranged on the front side and the rear side of the polishing grinding wheel, and connecting pipes are fixed at the tops of the dust suction pipes. A first guide pipe is fixed to the middle of the conveying pipe, a dust collection fan is fixed to the other end of the first guide pipe, an air outlet of the dust collection fan is connected with a dust removal water tank through a second guide pipe, and the second guide pipe extends to the lower portion of the dust removal water tank. The dust suction pipes are arranged on the front side and the rear side of the polishing grinding wheel, the dust suction pipes can move left and right and ascend and descend up and down along with the