Improve split type pump body processing aperture cutter of structure

The utility model relates to an improve split type pump body processing aperture cutter of structure, including rotating installation head (1), boring cutter (2) and reamer (3), be equipped with axialinstallation hole (21) on the axis of boring cutter (2) and connect on rotating installation head (1), constitute large aperture processing sword, reamer (3) are connected on rotating installation head (1) through axial installation hole (21), and the edge of a knife of reamer (3) is for installing the large aperture processing sword in axial installation hole (21), and boring cutter (2) edge ofa knife machined surface position that the processing edge of a knife of this reamer (3) stretches out constitutes the aperture and directly processes the sword, install on machine tool through rotating installation head (1), form the aperture of the split type pump body of pivoted processing simultaneously cutter structure on same the central axis. The utility model discloses the machining errorthat can solve current auto