Cooling device of blow molding machine

The utility model discloses a cooling device of a blow molding machine, and relates to the technical field of blow molding machines. The cooling device of the blow molding machine comprises a base, a cooling mechanism and an auxiliary assembly, a supporting plate and a raw material box are arranged at the top of the base, a temperature sensor is fixedly installed on the outer wall of one side of the supporting plate, a first water pump is fixedly installed on the outer wall of one side of the supporting plate, and the output end of the first water pump is fixedly connected with a circulating pipe; the auxiliary assembly comprises a moving mechanism and an auxiliary mechanism, and the moving mechanism is located below the auxiliary mechanism. According to the cooling device of the blow molding machine, through cooperative use of the components, a mold is cooled, the temperature environment in the device is adjusted, the situation that the blow molding effect is affected by uneven temperature in the device is p