Machining mechanism for valve element ball

The utility model discloses a valve element ball machining mechanism, and relates to the technical field of valve element ball machining, the valve element ball machining mechanism comprises a workbench, the workbench is in relative sliding connection with two clamping plates used for clamping a valve element ball, and the workbench is connected with a driving assembly used for driving the two clamping plates to slide in the direction close to or away from the valve element ball; the working table is in sliding connection with a pressing plate used for pressing the valve element ball, the working table is connected with a first driving part used for driving the pressing plate to move in the direction close to the valve element ball, the working table is in sliding connection with a drilling assembly, and the working table is in sliding connection with a second driving part used for driving the drilling assembly to slide in the direction close to or away from the valve element ball. The valve element ball is p