Sterile stirring device for mixing biological culture solution

The utility model relates to the technical field of biological instruments, in particular to a sterile stirring device for biological culture solution mixing, which comprises a base and a shell, a connecting seat is fixed on the lower surface of the base, rollers are fixed at the lower end of the connecting seat, a heating block is arranged on the upper surface of the base, and a stirring rod is arranged on the lower surface of the heating block. A crushing plate and an isolation plate are fixed to the inner wall of the shell, an ultraviolet disinfection lamp is arranged on the lower surface of the isolation plate, and a supporting frame is fixed to the upper surface of the isolation plate; a liquid inlet pipeline and a motor are arranged at the top of the shell, a first rotating shaft isarranged at the lower end of the motor, stirring blades are fixed to the lower side wall of the first rotating shaft, a second bevel gear meshed with the first bevel gear is fixed to the outer wall ofthe first rotating shaft,