Aluminum box with automatic protection function for supporting display screen

The display screen supporting aluminum box with the automatic protection function comprises two vertical side frames and transverse frames which are spliced above and below the two side frames respectively, the same side faces of the two side frames are fixedly connected with front protruding plates in an integrated mode, and the front protruding plates are fixedly connected with rear protruding plates in an integrated mode. A plurality of air inlet pipes are installed on the portion, located below the two side frames, of the transverse frame at equal intervals, a plurality of air outlet pipes are installed on the portion, located above the two side frames, of the transverse frame at equal intervals, and top supports are integrally welded to the opposite side faces of the two front protruding plates correspondingly. An upper baffle welded to the two top supports is erected between the two top supports. According to the aluminum box with the automatic protection function for supporting the display screen, the