Billet rotating device of single manipulator of free forging hammer

The utility model relates to a steel billet rotating device of a single manipulator of a free forging hammer, and belongs to the technical field of free forging equipment in the metallurgical industry. According to the technical scheme, the device comprises a steel supporting disc (1), a rotating shaft sleeve piece (2), a height adjusting sleeve (3), a base (4) and a clamping ring (15), an anti-rolling groove matched with a blank is formed in the upper surface of the steel supporting disc (1), and the clamping ring (15) is arranged in the circumferential direction of the steel supporting disc (1); the steel tray (1) is rotationally connected with the upper end of the rotating shaft (5) through a thrust ball bearing (6) and a double-row centripetal spherical roller bearing (10), an end cover (14) is arranged at the upper end of the rotating shaft (5), and an outer sleeve (9) supports the steel tray (1); the base (4) is provided with a round hole, the lower end of the rotating shaft (5) is inserted into the rou