Rotor iron core demagnetizing steel tool

The utility model discloses a rotor iron core demagnetization steel tool comprising a pedestal, the outer side of the pedestal is annularly provided with a plurality of avoiding structures, and the central position of the top of the pedestal is provided with a positioning placing structure; a plurality of first bulge structures are annularly arranged on the outer side of the bottom of the upper loosening pressing plate; a plurality of second protruding structures are annularly arranged on the outer side of the bottom of the retreating upper pressing plate, the second protruding structures are consistent with the first protruding structures in structure, and the protruding length of the second protruding structures is larger than that of the first protruding structures; the positioning pin is vertically mounted on the base, can be matched with the upper loosening pressing plate and the upper withdrawing pressing plate, and plays a role in guiding the upper loosening pressing plate and the upper withdrawing pre