Portable punching and dust removing device

The technical problem to be solved by the utility model is to provide the portable punching and ash removing device which is convenient for punching, convenient for cleaning powder and scraps in wall surfaces and holes and adjustable in punching depth. The device comprises a supporting disc, a supporting stand column and a first driving motor, a punching drill bit is arranged on an output shaft of the first driving motor, the device further comprises a second driving motor, a brush disc is fixedly arranged at the lower end of an output shaft of the second driving motor, and the device further comprises a soot blowing device. When the device is used, a punching drill bit is aligned to a punching point, then a first driving motor is started, hole opening operation is started, after punching is finished, powder and chippings in holes can be cleaned away through matched use of a brush disc and a blowing nozzle, follow-up inspection work can be conducted after the powder and chippings in the holes are cleaned away