Sand blasting room for gun sight surface treatment

The utility model discloses a sandblasting room for gun sight surface treatment, which comprises a fixed bottom plate, a sandblasting shell is fixedly arranged on the upper surface of the fixed bottom plate, one end of the sandblasting shell is rotatably connected with two groups of fan doors through a rotating shaft, the fan doors are symmetrically arranged, one side of each fan door is fixedly provided with a sealing plate, and the other side of each fan door is fixedly provided with a sealing plate. Two groups of through holes are symmetrically formed in the sand blasting shell, a filtering assembly is fixedly mounted on the through holes, a workbench is fixedly mounted in the middle of the upper surface of the fixed bottom plate, a fixed assembly is fixedly mounted on the fixed bottom plate, and the fixed assembly corresponds to the workbench. The output shaft of the second positive and negative rotation motor rotates to drive the screw rod to rotate, the screw rod drives the sliding plate to slide, the s