Code disc magnetizing device

The utility model discloses a coded disc magnetizing device, which comprises a magnetizing seat, an outer track magnetizing ring and an inner track magnetizing ring are arranged in the magnetizing seat, the outer track magnetizing ring and the inner track magnetizing ring are concentrically arranged, outer track magnetic steel sheets are uniformly arrayed on the outer track magnetizing ring along the circumferential direction, and outer track magnetic steel sheets are uniformly arrayed on the inner track magnetizing ring along the circumferential direction. Inner track magnetic steel sheets are evenly arrayed on the inner track magnetizing ring in the circumferential direction, the number of the outer track magnetic steel sheets is one different from the number of the inner track magnetic steel sheets, a fixed connecting piece used for fixing a code disc is arranged above the magnetizing base, the fixed connecting piece is movably connected in the vertical direction, and when the code disc is magnetized, the