Dry sand blasting machine

The utility model discloses a dry sand blasting machine, include: the abrasive material feeding mechanism, the accuse valve admits air, the way no. 1 of admitting air, the way no. 2 of admitting air, the check valve, the tee bend, transfer the sand valve, the sand -blast hose, spray gun and support, wherein the abrasive material feeding mechanism is including going into the sandpipe, an unidirectional valve, second grade dust absorption pipe, the thermal agitation machine, the check valve, dry bucket and sand bucket, wherein go into the sandpipe and locate sand bucket upper portion, be equipped with one -level dust absorption pipe and second grade dust absorption pipe on the income sandpipe, it is equipped with dry bucket to go into between sandpipe and the sand bucket, be equipped with the thermal agitation machine in the dry bucket, an unidirectional valve, transfer the sand valve to pass through the bolt fastening in the sand bucket lower part. The utility model discloses simple structure, convenient opera