Material overturning device convenient for efficient drying and used for drying machine

The material overturning device comprises a driving motor, an installation base plate is fixedly installed on the outer side face of the upper end of the driving motor, a fastening bolt is arranged between the installation base plate and an inner sealing base plate, a threaded clamping groove is formed in the upper surface of the inner sealing base plate, and a clamping groove is formed in the lower surface of the inner sealing base plate. A threaded clamping groove is formed in the inner sealing base plate, a threaded tenon pipe is arranged between the threaded clamping groove and the lower end base, and the lower end base is movably connected with the threaded clamping groove through the threaded tenon pipe. After the limiting nut is tightened, the inner sealing seat plate and the mounting base plate can be tightly connected together, the lower end seat is inserted into the threaded clamping groove through the threaded tenon pipe, the lower end seat and the inner sealing seat plate are tightly combined, the