Plate conveying device for sanding machine

The plate conveying device comprises a sanding machine body, the sanding machine body comprises a working table, supporting legs are arranged at the bottom end of the working table, a conveying belt is arranged above the top end of the working table, an air box is fixedly arranged at the top end of the working table, a scraping plate is arranged above one side of the top end of the air box, and a conveying belt is arranged above the other side of the top end of the air box. An elastic component is arranged between the scraper blade and the air box, so that the top end of the scraper blade is tightly attached to the bottom end of the conveying belt, air holes distributed at equal intervals are formed in the other side of the top end of the air box, an air suction hopper communicated with the air box is fixedly arranged at the bottom end of the workbench, and an exhaust fan is fixedly arranged in the air suction hopper. And a dust collection cloth bag is arranged at the bottom end of the air suction hopper. Dus