Disc steel grade typewriter

The utility model belongs to the technical field of typewriter equipment, specifically a disc steel grade typewriter. It is lower to have solved traditional chain typewriter structure precision, the jiggly problem of transmission, including a main shaft, the disc, gear motor I, gear motor II and typing device, the main shaft is worn to establish in the bearing housing seat, be equipped with the jump ring between main shaft and the bearing housing seat, upper portion is equipped with the cylindrical roller bearing in the bearing housing seat, the lower part is equipped with down the cylindrical roller bearing in the bearing housing seat, be fixed with on the main shaft and move wire winding, move wire winding and fix the wire winding threaded connection that decides on the bearing housing seat, move wire winding and pass through bolt and gear wheel I fixed connection, gear wheel II with mesh by gear motor II driven pinion II, the main shaft lower extreme is equipped with gear wheel I, gear wheel I and the mesh