Raw material screening and impurity removing device for lithium battery negative electrode material

The invention relates to an impurity removal device, in particular to a raw material screening and impurity removal device for a lithium battery negative electrode material. The invention provides the raw material screening and impurity removing device for the lithium battery negative electrode material, which is convenient for workers to clean scrap iron. The raw material screening and impurity removing device for the lithium battery negative electrode material comprises a base, a fixing frame, first guide rods, a screening frame and a first elastic piece, the top of the base is connected with the fixing frame, the front side and the rear side of the fixing frame are both connected with the first guide rods, and the screening frame is arranged between the two first guide rods in a sliding mode; the screening frame is located in the fixing frame, and the first guide rods are sleeved with first elastic pieces. Graphite particles are screened according to the size through the screening frame, small graphite par