Automobile connecting rod class part casting wax matrix

The utility model discloses an automobile connecting rod class part casting wax matrix, including overhanging pipe, outer hexagonal plug, toper water conservancy diversion cover, the shrink cover, the extension cover, first square stock solution piece, the connective bar, the square stock solution piece of second, go up the toper connecting piece, lower taper joint spare, the part wax matrix, the venting pin, during the casting, the molten iron gets into by first square stock solution piece through the passageway through the feed nozzle, the connective bar, the molten iron that the square stock solution piece of second constitutes is stored the chamber and is carried out the buffer memory, again through last toper connecting piece with in down taper joint spare slowly injects the shaping cavity of part wax matrix component into, accomplish the casting, the venting pin changes the chamber of ventilating into behind molten wax, thereby connect the shaping cavity of casting machine and part, thereby effective ex