Casing of automatic binding gun

The utility model relates to the technical field of automatic ribbon guns, in particular to a machine shell of an automatic ribbon gun, which comprises a machine shell main body, the machine shell main body is provided with a front cover and a rear cover, the front cover and the rear cover are mutually attached to form a cavity matched with the automatic ribbon gun, a plurality of positioning columns are arranged on the inner wall of the rear cover, and the positioning columns are arranged on the inner wall of the rear cover. The positioning columns are provided with positioning holes penetrating through the positioning columns, the positioning holes penetrate through the side wall of the rear cover and are communicated with the outside, the inner walls of the positioning holes are provided with positioning rings, the inner wall of the front cover is provided with a plurality of positioning pins corresponding to the positioning columns, the rear ends of the positioning pins are embedded into the positioning h