Centrifugal machine capable of automatically opening and closing door cover

The utility model relates to the field of centrifugal machines, and discloses a centrifugal machine with an automatic door cover opening and closing function. According to the centrifugal machine, the interior of the centrifugal machine shell is used for containing part of equipment needed during operation of the centrifugal machine, the hydraulic cylinder is used for supporting the centrifugal machine door cover and can automatically lift the centrifugal machine door cover, and the bolt protection cover plate can move on the upper surface of the sliding groove through the sliding groove; the bolt protection cover plate can prevent the limiting bolt arranged in the bolt protection cover plate from being thrown out when the centrifugal machine runs, the limiting bolt connects the rotating shaft arranged in the middle of the outer surface of the limiting bolt with the bolt protection cover plate, the rotating shaft can drive the centrifugal net frame to move along with a door cover of the centrifugal machine, a