Lifting type vacuum stirring system

The utility model provides a lifting type vacuum stirring system. The lifting type vacuum stirring system comprises a lifting platform, a supporting frame, two lifting cylinders arranged at the two sides of the supporting frame, and a stirring tank, wherein the lifting platform is provided with a low-speed motor and a high-speed motor and can realize double stirring with high-low speed; the low-speed motor drives a wall-scraping type stirring rod to stir; the section of the wall-scraping type stirring rod is in an isosceles obtuse triangle, and after the wall-scraping type stirring rod rotates, the bottom edge of the isosceles obtuse triangle is attached with the inner wall of the stirring tank; the high-speed motor drives at least one stirring disc with up-down turnover sawteeth to carry out stirring; a locking fastener for locking a stirring tank cover and the stirring tank is arranged at an opening of the stirring tank; and a peeping window is arranged on the stirring tank cover. The lifting type vacuum st