Sand blasting apparatus and sand blasting method thereof

The invention discloses a sand blasting apparatus. The sand blasting apparatus comprises a sand storage tank, wherein a sand discharge port is formed in the bottom of one side of the sand storage tank, a sand conveying roller is arranged at the sand discharge port, a conveying belt is arranged below the sand conveying roller and used for transporting sand falling from the sand conveying roller, aconveying roller is arranged below the conveying belt, paper winds around the conveying roller, a dryer is arranged below the conveying roller, a sand sweeping broom is arranged on one side of the dryer and used for sweeping away sand scattered on the paper, and a sand collecting tank is arranged below the sand sweeping broom. The invention further provides a sand blasting method. The problems that existing sand blasting equipment is high in cost and occupies large space are solved. 本发明公开了一种喷砂装置，包括储砂槽，储砂槽的一侧底部设有下砂口，下砂口处设有输砂辊，输砂辊的下方设有输送带，输送带用于运输输砂辊上落下的砂料，输送带的下方设有输送辊，纸张绕在输送辊上，输送辊的下方设有烘干机，烘干机的一侧设有扫砂帚，扫砂帚用于扫去纸张上散落的砂料，扫砂帚的