Frame type combined metal plate cabinet

The frame type combined metal plate cabinet comprises a first frame corner, a second frame corner, a third frame corner and a fourth frame corner, rotating rods are fixedly installed on the inner side wall and the outer side wall of the first frame corner and the second frame corner respectively, cross rods are installed on the outer sides of the rotating rods in a rotating mode, the cross rods are installed in a crossed mode, and a shaft rod is installed in the middle side wall in a rotating mode. The cross rods are installed in a mutually crossed mode, rotating rods are rotatably installed at the bottom ends of the cross rods, third frame corners and fourth frame corners are installed on the side walls of the rotating rods, and outer frames are fixedly installed on the side walls of the first frame corners, the second frame corners, the third frame corners and the fourth frame corners. When the metal plate cabinet is assembled, the size of the cabinet body is adjusted according to the environment, when the