Tail end chamfering device for bolt machining

The utility model relates to the technical field of bolt chamfering, and provides a tail end chamfering device for bolt processing, which comprises a shell, a processing cavity is arranged in the shell, a chamfering processing component is arranged in the processing cavity, a loading and unloading driving component is arranged in the shell, the loading and unloading driving component comprises a bottom cavity, the bottom cavity is arranged in the shell, and a first motor is arranged in the bottom cavity. A circular groove is formed in the upper surface of the shell, a driving screw is rotationally connected into the circular groove and connected with the output end of the first motor, a circular rod is fixedly connected into the circular groove, and a lifting pressure frame is connected to the exterior of the driving screw in a threaded fit mode. By means of the technical scheme, the problems that in the related technology, a traditional chamfering device for the tail end of the bolt is relatively complex in