Fixture for machining holes in arc surface

The utility model provides a clamp for machining holes in an arc surface. The clamp for machining the holes in the arc surface comprises a fixing plate, a shell arranged on the fixing plate and a pressing plate arranged on the shell, the shell is connected with the fixing plate through a positioning pin, a lead screw is arranged in the shell and connected with the fixing plate through a fixing nut, and the pressing plate is arranged on the shell. The pressing plate is arranged at the end, away from the fixing plate, of the shell, and the pressing plate is fixedly connected with the shell through the pressing nut and the lead screw. The clamp for machining the holes in the arc surface can ensure the precision of parts, reduce the machining scrapping of the parts and improve the efficiency. 本实用新型提供一种加工圆弧面上孔的夹具。所述加工圆弧面上孔的夹具包括固定板、设于所述固定板上的壳体，以及设于所述壳体上的压板，所述壳体通过定位销和所述固定板连接，所述壳体内设有丝杆，所述丝杆通过固定螺母和所述固定板连接，所述压板设于所述壳体上远离所述固定板一端，所述压板通过压紧螺母、所述丝杆与所述壳体固定连接。本实用新型的加工圆弧面上孔的夹具，可以保证零件的精度，减少零件加工报废，提高效率。