Rotary lifting mechanism of isostatic press

The utility model provides a rotary lifting mechanism of an isostatic pressing machine. The rotary lifting mechanism comprises a rack, a lifting seat, a pressure cylinder cover, a lifting driving piece and a rotary driving piece. The lifting base is installed on the rack in a lifting mode through the guide rods and the guide holes. And the pressure cylinder cover is rotationally mounted at the bottom of the lifting seat. The lifting driving part comprises a lifting cylinder, and the lifting cylinder is installed on the machine frame and connected with the lifting base through a piston rod to drive the lifting base to move up and down in a reciprocating mode. The rotary driving piece comprises a connecting base and a driving air cylinder. The connecting base is installed on the pressure cylinder, one end of the driving cylinder is rotatably installed on the lifting base, the other end of the driving cylinder is rotatably installed on the connecting base, the direction of a rotating shaft is the vertical direct