Doublestage air cooling lobe pump

The utility model provides a doublestage air cooling lobe pump, which comprises a base, the top fixed mounting of base has the lobe pump body, one side fixed mounting of lobe pump body has the motor,motor shaft's one end has driving sprocket through the main shaft welding, driving sprocket's both sides are provided with actuating mechanism, the discharge gate department of lobe pump body bottom is through discharging pipe fixedly connected with oil tank, the inside of oil tank is provided with the filter screen, the fixedly connected with of discharge gate department at oil tank top goes outoil pipe, the inside fixed mounting who goes out oil pipe has the ooff valve, the one end that goes out oil pipe extends to the inside of lobe pump body, the rear side fixed mounting of base has the refrigerator, the gas outlet department of refrigerator one side is through connecting tube and oil tank fixed connection. This doublestage air cooling lobe pump through setting up discharging pipe andoil tank and going out oil