Fixed pore plate convenient for centrifugation

The utility model discloses a fixed orifice plate convenient for centrifugation, including fixed orifice plate, connecting frame and limit rod, the connecting frame is provided on one side in the fixed orifice plate, the limit rod is provided below the fixed orifice plate, the fixed rod is inserted on one side of the inner wall of the connecting frame, the front end of the fixed rod is provided with a clamping plate, and the clamping plate is provided with a through hole. A damping spring is arranged on one side of the inner wall of the connecting frame, and the front end of the damping spring is connected to the tail end of the fixing rod. Through the arrangement of the fixing hole plate, the connecting frame, the fixing rod, the clamping plate and the damping spring, materials in the device are effectively limited and buffered, operation of workers is facilitated, through the arrangement of the fixing hole plate, an inserting hole, a limiting rod and a fixing base, the effect of limiting the fixing hole pla