Automobile hub die cooling system

The invention provides an automobile hub die cooling system, and belongs to the technical field of mechanisms. The automobile hub die cooling system solves the problem of low stability in the prior art. The cooling system comprises a working medium circulating system and a cooling water circulating system and direct air cooling system, wherein the working medium circulating system comprises a hubdie, a compressor, a liquid storing tank, a working medium circulating pump, an expansion valve, an evaporating flowing channel, a water cooling condenser or an air cooling condenser and a pipeline; and the cooling water circulating system comprises a water cooling condenser, a cooling tower and a circulating water pump. According to the system, pure organic working mediums such as HFCs, HCs, HEFs, PFCs, CF3I and HFO1234y or water is used as a circulating working medium the working medium circulating system; a water cooling or direct air cooling manner can be carried out on the cold end; and the two cooling manners ca