The utility model belongs to chamfering device technical field especially is a kind of mechanical parts chamfering device, including
processing seat, the clamping cavity for fixing workpiece is set in
processing seat, the clamping cavity both sides are equipped with driving shaft, driving shaft one end is fixedly connected with connecting seat, the connecting seat outside is equipped with chamfer head component, chamfer head component includes outer angle cutter head, inner angle cutter head and installation axle stem, the inner angle cutter head is located in the outer angle cutter head;Outer angle cutter head and inner angle cutter head are opposite to workpiece, under the rotation of outer angle cutter head and inner angle cutter head, respectively, outer angle and inner angle are chamfered to workpiece, and installation axle stem is extracted, can be taken off outer angle cutter head and inner angle cutter head from connecting seat, install new specification's outer angle cutter head and inner angle cutter head use, can make
processing inner angle and outer angle synchronous, improve the efficiency of processing, and it is convenient to adjust the size of processing angle part, beneficial to processing round
pipe type mechanical parts.