Refrigerated centrifugal machine

The refrigerated centrifuge comprises a machine body and a centrifugal cylinder arranged in the machine body, a rotating cylinder is rotationally connected to the middle of the inner bottom face of the machine body, the bottom face of the rotating cylinder is fixedly connected with an output shaft of a driving motor, and the driving motor is fixedly connected to the bottom face of the machine body through bolts. A detachable sealing cover is installed at the top of the machine body, a vertically-arranged lead screw is in threaded connection with the sealing cover, a handle is fixedly connected to the top end of the lead screw, a pressing plate is fixedly connected to the bottom end of the lead screw, and a rotating disc is rotationally connected to the bottom face of the pressing plate; and the centrifugal cylinder is pressed and limited in the rotating cylinder through the turntable. The detachable centrifugal barrel is arranged in the machine body, after the centrifugal barrel completes centrifugal work, th