Multi -disc formula exhaust mold insert

The utility model provides a multi -disc formula exhaust mold insert, include: potting channel has all been seted up to a plurality of independent mold inserts and a connection piece on every independent mold insert, a whole is fixed into through the connection piece after assembling into corresponding whole potting channel as requested to a plurality of mold inserts, is provided with the air discharge duct between the two adjacent mold inserts, and the middle part regional setting of air discharge duct has the heat preservation clearance. This multi -disc formula exhaust mold insert is through adopting the multi -disc mold insert to make up mutually, and be provided with the mode in air discharge duct and heat preservation clearance between two adjacent mold inserts, heat preservation andthe exhaust demand among the casting process that has realized, during the product casting, the air discharge duct of gaseous accessible setting between two adjacent mold inserts of concentrating inthe potting channel is dis