Rust removal device for lighting lamp tube of rain room

The utility model discloses a derusting device for a rain room lighting lamp tube, and particularly relates to the technical field of lighting lamp tube processing devices, the derusting device comprises a base, supporting legs are arranged at the bottom of the base, a clamping structure is arranged at the top of the base, the clamping structure comprises a sliding rod, a sliding groove is formed in the surface of the base, and the sliding rod is arranged in the sliding groove. The sliding rod is arranged in the sliding groove, two sliding blocks are arranged outside the sliding rod, supporting rods are arranged at the tops of the two sliding blocks, lantern rings are arranged at the tops of the supporting rods, a plurality of clamping rings are annularly arranged in the lantern rings, and a plurality of extrusion springs are arranged between the inner walls of the lantern rings and the clamping rings. The lighting lamp tube supporting device is easy to operate, lighting lamp tubes with different lengths can