Cold extrusion UF ball groove starlike sleeve die

The utility model discloses a cold extrusion UF ball groove starlike sleeve die. The stamping die comprises a large die body and a punch, a discharging groove is formed in the middle of the upper endof the large die body, a workpiece star-shaped sleeve is in lap joint with the interior of the discharging groove, the punch is in lap joint with the upper portion of the workpiece star-shaped sleeve,the punch is in sliding connection with the discharging groove, and an arc-shaped groove is formed in the side wall of the periphery of the punch; beneficial effects are that: the method is suitablefor large-scale production; according to the utility model, the punch, the large die and the discharge chute are designed; by means of the method, the workpiece starlike sleeve can be machined and manufactured in a one-time extrusion forming mode, a traditional machining mode of red punching forging and numerical control machining is replaced, machining procedures are saved, the turnover period isshortened, the working envi