Unloading type sandbox structure supported by steel net rack

The invention discloses an unloading type sandbox structure supported by a steel net rack, and relates to the field of net rack disassembly. According to the unloading type sandbox structure supported by the steel net rack, an unloading type supporting sandbox comprises a sandbox body, a plurality of sand unloading pipes are installed on the outer surface of the bottom end of the sandbox body, sand storage tanks are installed at the bottom ends of the sand unloading pipes, and material stopping baffles are movably connected to the outer surfaces of the sand unloading pipes in an inserted mode; an adjusting mechanism used for controlling the material stopping baffle to move up and down is arranged at the bottom of the sand box body. According to the unloading type sandbox structure supported by the steel net rack, the rotary disc is rotated clockwise, connection between the sand unloading pipe and the sandbox body is opened, and sand in the sandbox body enters the sand storage tank through the sand unloading p