Ventilation cooling fog gun machine

The utility model belongs to the technical field of building construction equipment, particularly relates to a ventilation cooling fog gun machine, and aims to solve the problems that most existing fog gun machines only spray water into air, the fog forming efficiency is lower, and a gun barrel is inconvenient to automatically swing during use, so that the water mist spraying force is smaller, the spraying range is limited, and the use is not facilitated. According to the technical scheme, the fan comprises a box body, a supporting frame is fixedly installed on the top of the box body, a motor and a swing mechanism are fixedly installed on the top of the supporting frame, the swing mechanism is located on the top of the box body, and the swing mechanism comprises a disc, a round rod, a sliding frame, a connecting rod, a fixing rod, a telescopic rod and a connecting block. The hose conveys air generated by high-speed rotation of the fan blades into the gun barrel, air flow quickly blows water mist formed in th