Double-shaft position changing machine mechanical structure

The utility model discloses a double-shaft position changing machine mechanical structure which comprises a machine base, a turning table, a workbench, a horizontal servo motor, a driven horizontal RV speed reducer, a vertical servo motor and a driven vertical RV speed reducer. One end of the turning table is arranged on an output shaft of the horizontal RV speed reducer, the other end of the turning table is supported on a bearing arranged on the machine base, the vertical RV speed reducer is arranged on the turning table, an output shaft of the vertical RV speed reducer is provided with a rotating base, the workbench is arranged on the rotating base, the vertical servo motor drives the workbench to rotate during rotating, an electricity conducting block is arranged on the turning table and is connected with a ground wire, and the upper surface of the turning table is always in contact with the lower surface of the workbench. The servo motors and the high-accuracy RV speed reducers are used, moving accuracy