Processing frock of barrel location pinhole

The utility model discloses a processing frock of barrel location pinhole, including the jig dabber, the jig dabber coincide with waiting the inner wall of processing the barrel, still includes jig lid, drill bushing and bush, the jig core cap is fixed on the bottom surface of jig lid, processing has two mounting holes on the jig, all install drill bushing and bush in every mounting hole, and thebush suit is on the drill bushing, and the centre -to -centre spacing of two drill bushings is less than waits to process the diameter of barrel and be greater than the bore diameter who waits to process the barrel. The utility model discloses a cooperation of jig dabber and mounting panel makes the barrel clamping of being convenient for, process the pinhole through drill bushing and drill bit onwaiting to process the barrel simultaneously, make the barrel add the alignment of being convenient for man -hour. The utility model discloses simple structure, application scope is wide. 本实用新型公开了种筒体定位销孔的加工工装，包括钻模芯轴，钻模芯轴与待加工筒