Die casting die of transmission accessory

The utility model relates to a die casting die of transmission accessory, include: go up membrane module and lower membrane module, it includes to go up the membrane module: go up mould main part, shaping piece and forming column, go up the bottom surface of mould main part and seted up the shaping groove, the membrane module includes down: lower mould main part, central projection, a plurality of ejector pin, drive plate and inlet pipe, the shaping groove has been seted up down to the top surface of lower mould main part, shaping groove and last shaping groove constitute into the die cavity down, the center projection is located the center department in shaping groove down, the top evenly distributed of ejector pin is in becoming the die cavity, the inlet pipe intercommunication is the shaping groove down. Above -mentioned die casting die of transmission accessory. After the product shaping, go up the membrane module and externally shift up the separation under the drive of cope match -plate pattern, avoid t