Porous plastic shell advancing type double-face grinding and powder removing mechanism

The utility model relates to a multi-hole plastic shell advancing type double-face grinding and powder removing mechanism which is characterized by comprising a guide rail and a feeding air cylinder, a carrying base is connected to the guide rail in a sliding mode, a plurality of positioning columns are fixedly connected to the carrying base, and jacking air cylinders are arranged on the carrying base and located on the two sides of the positioning columns in parallel. Sliding tables are arranged on the other two sides, located on the positioning column, of the carrying base in parallel, guide grooves are formed in the positions, located on the sliding tables, of the carrying base, springs are arranged in the guide grooves, polishing devices and rollers are fixedly connected to the sliding tables, a push plate and a dust removal opening are arranged at the end, away from the jacking air cylinder, of the guide rail, and an L-shaped check block is detachably connected to the inserting groove. The moxibustion in