Vehicle audio knob mould that automotive production used

The utility model discloses a vehicle audio knob mould that automotive production used, including last mould and with last mould matched with lower mould, go up the mould bottom and seted up the die cavity, the twill recess of threaded form is seted up to the inner wall of going up the die cavity, the lower mould top is equipped with with last die cavity matched with lower mould protrudingly, theprotruding outer wall fixation of lower mould has spacing arch, it forms into the die cavity to go up between die cavity and the lower mould arch, it has connecting portion to go up mould bottom fixation, the internal thread has been seted up to connecting portion, the lower mould surface is equipped with the external screw thread that closes with interior thread to match, the external screw thread, the pitch of internal thread and twill recess equals, the utility model discloses a going up the mould and adopting through rotatory mode realization compound die and the die sinking of screw withthe lower mould, the preti