Kidney-shaped hole polishing device for bearing retainer production and machining

The utility model discloses a kidney-shaped hole polishing device for producing and machining a bearing retainer. Comprising a base, a filter screen, an exhaust pipe, a partition plate, an air blower, a driving chain wheel, a dust guide pipe, a rotating disc, a first stepping motor, a guide rod, a convex block, a first electric push rod, a rotating seat, a mounting disc, an annular rotating plate, a telescopic rod, a dust suction cover, a grooved wheel, a polishing roller, a second stepping motor, a mounting seat, a second electric push rod, a roller, a third stepping motor, a rotating ring, a rotating plate, an adjusting plate and a driven chain wheel. An L-shaped mounting plate and a support column. Through mutual cooperation of the grooved wheel, the guide rod, the rotating disc, the batten, the sliding base, the rotating plate and the rotating ring, the angle of the retainer can be better and rapidly adjusted, in this way, a kidney-shaped groove in the retainer can be better polished, the working intensit