Surface treatment device

The utility model discloses a surface treatment device in the technical field of fiber treatment, which comprises a liquid storage tank, a hot air tank, a top plate and a moving plate, a moving component is arranged between two sides of the top plate and the moving plate, the top plate is provided with moving wheels, a first guide wheel and a second guide wheel are arranged in the liquid storage tank, and a hot air component is arranged in the hot air tank. The positions of the top plate and the moving plate are adjusted at the same time through the moving assembly, so that the moving wheel drives a plurality of fibers to be immersed in treatment liquid in the liquid storage tank, and the fibers are subjected to soaking treatment; the fibers are extruded and dewatered through the upper pressing wheel and the lower pressing wheel on the rear side, liquid in the fibers is reduced, subsequent drying is accelerated, the fibers enter the hot air groove, and the multiple fibers are dried through the hot air assembl