Classification and impurity removal device for graphite powder for lithium battery

The utility model relates to a classifying and impurity removing device for graphite powder for a lithium battery. A machine body comprises a stirring device and a scraping and filtering device, the scraping and filtering device comprises a storage groove, an arc-shaped scraping plate and a sliding block capable of sliding in the storage groove in a reciprocating manner to push the arc-shaped scraping plate; the stirring device comprises a driving motor with a speed reducer, a stirring shaft fixed on an output shaft of the driving motor, and a plurality of stirring blades arranged on the stirring shaft at intervals; arc-shaped holes for materials to fall down are formed in the stirring blades; electromagnets for adsorbing scrap iron impurities are arranged in the stirring blades. The graphite powder impurity removal device is reasonable in structural design, impurities in graphite powder are rapidly adsorbed and removed in the conveying process by designing the stirring device with the electromagnet, the impu