Dust removal filter bag structure

The utility model discloses a dust removal filter bag structure which comprises a shell, a threaded groove is formed in the bottom of the shell, a heat dissipation cover is fixedly connected to the top of the shell, a heat dissipation groove is formed in the surface of the heat dissipation cover, a motor is fixedly connected to the top of the heat dissipation cover, and a base is installed on the upper surface of the inner wall of the shell. A clamping groove is formed in an inner cavity of the base, and a filtering barrel is clamped in an inner cavity of the clamping groove. According to the device, by arranging a lock hole and a lock catch, a filter barrel and a filter screen are flexibly disassembled to clean fine dust, an inlet is formed in one side of the filter barrel and matched with a baffle to collect garbage, and a base is clamped to the bottom of the filter barrel, so that the filter barrel can be driven by a motor to rotate to drive the baffle to collect sundries in an inner cavity of a shell; and