Lead-out bushing die, lead-out bushing and machining method of lead-out bushing

The invention relates to an lead-out bushing die, an lead-out bushing and a machining method of the lead-out bushing. The lead-out bushing die comprises a static die (4), a movable die (5), an outgoing line end inner die core (7), an incoming line end inner die core (8), a die locking block (9), an outgoing line die head (10), an incoming line die head (11), an outgoing line end inner die core inserting rod (2) and an incoming line end inner die core inserting rod (3), wherein die cavities are formed in the static die (4) and the movable die (5), an overflow groove and a material injection hole (4.5) which communicating with the die cavities are formed in the static die (4), the outgoing line end inner die core (7) can match with the outgoing line end of one of the die cavities, the incoming line end inner die core (8) can match with the incoming line end of the other die cavity, the outgoing line die head (10) can match with the outgoing line end inner die core (7), the incoming linedie head (11) can match w