Alloy drill with quick disassembly and assembly function

The utility model discloses an alloy drill with the function of quick disassembly and assembly, which comprises a main body and a control panel arranged at the top of the main body, a driving motor electrically connected with the control panel is fixedly arranged on the inner wall of the bottom of the main body, a rotating rod is arranged at one end of an output shaft of the driving motor, and a main cylinder is arranged on the outer wall of the bottom of the main body. The rotating rod is rotationally connected to the circumferential inner wall of the main cylinder through a bearing, an inner rod is arranged on the outer wall of the bottom of the rotating rod, a butt-joint plate is arranged on the outer wall of the bottom of the inner rod, a drill bit is arranged on the outer wall of the bottom of the butt-joint plate, a bottom cylinder is arranged on the outer wall of the bottom of the main cylinder, and the inner rod is rotationally connected to the circumferential inner wall of the bottom cylinder; when t