Mixing and stirring device for synthesis of nano materials and use method of mixing and stirring device

The invention discloses a mixing and stirring device for synthesis of nano materials, the mixing and stirring device comprises a mixing cylinder, the inner wall of the mixing cylinder is provided with a first object placing plate, the bottom wall of the mixing cylinder is provided with a servo motor, and the output end of the servo motor penetrates through the top of the first object placing plate and is provided with a second object placing plate; uniformly arranged sleeves are mounted at the top of the storage plate II, a top cover is mounted at the top of the mixing barrel through a hinge, a hydraulic push rod I is mounted at the top of the top cover, and a connecting block is mounted at the output end of the hydraulic push rod I; and a pressing plate is mounted at the bottom of the connecting block through a shaft piece. By arranging the mixing cylinder, the servo motor, the sleeve and the pressing plate, firstly, the mixing cylinder is placed in the sleeve, then the first hydraulic push rod is started to