Aluminum frame assembly for luggage

The utility model relates to the technical field of luggage processing, in particular to an aluminum frame assembly for a luggage, which comprises a primary frame and a secondary frame, the primary frame is connected with an upper cover of a luggage shell, a first decorative edge strip is clamped on the primary frame, the primary frame is provided with a first reinforcing rib which is extruded and overlapped, the first reinforcing rib is provided with a left inclined cavity, and the primary frame is provided with a lock seat. The lock seat covers the first decorative edge strip and the mother frame, penetrates through the first decorative edge strip and the mother frame and is connected to the mother frame through a plurality of screws, the sub-frame is connected with the box shell lower cover, a second decorative edge strip is arranged on the sub-frame in a clamped mode, the sub-frame is provided with second reinforcing ribs which are extruded and overlapped, the second reinforcing ribs are provided with rig