Rotary chuck and laser pipe cutting machine

摘要: The invention discloses a rotary chuck which comprises bearing pedestals, cylindrical roller bearing, core, lock disc, coil springs, clamping jaw blocks, first pin shafts, mats, second shaft and stopping lock. core is fixed in the pedestals through hole allowing workpiece to penetrate formed core. rear ends of blocks are front end rotate with as axis. hinge springs for keeping expanding outwards arranged on shaft, hinged mats shafts. disc threaded connection driven around mutual movement capable fixedly connecting pedestals. According chuck, pipe machining operating speed greatly improved, great contribution social manufacturing industry.