LED display screen mounting aluminum box convenient to disassemble and assemble

The LED display screen installation aluminum box convenient to disassemble and assemble comprises two transverse rods arranged in parallel and supporting rods arranged between the two transverse rods at equal intervals, sliding grooves are formed in the opposite side faces of the two transverse rods, the two ends of each supporting rod are inserted into the sliding grooves in a matched mode, and the two ends of each supporting rod are connected with the corresponding sliding grooves in a matched mode. Clamping grooves are formed in the two side faces of the multiple supporting rods at equal intervals, connecting buckles are inserted into the two side faces of the multiple supporting rods in a matched mode through the clamping grooves, elastic telescopic assemblies are arranged at the two ends of the multiple supporting rods, the multiple supporting rods are fixedly connected with the transverse rod through the elastic telescopic assemblies, and mounting assemblies used for fixing the LED display screen are co