Thermosetting mold cold runner system

The utility model discloses a cold runner system of a thermosetting mold. The cold runner system comprises an upper sub-runner plate, a lower sub-runner plate, a cooling inner bushing and a cooling outer bushing, a first injection molding runner is arranged between the upper sub-runner plate and the lower sub-runner plate, and a second injection molding runner is arranged in the cooling neck bush;the second injection molding runner is communicated with the first injection molding runner to form an injection molding runner communicated with an injection molding system; a first cooling runner is further arranged between the upper sub-runner plate and the lower sub-runner plate, and a second cooling runner is arranged between the cooling inner bushing and the cooling outer bushing; the firstcooling flow channel is communicated with the second cooling flow channel to form a cooling flow channel communicated with the cooling liquid circulating system; the cooling medium cools the injection molding runner through t