Double-sided dull polishing device

The utility model discloses a double-sided sanding device which comprises a supporting device, the supporting device comprises a box frame, supporting bases are arranged at the four corners of the lower end of the box frame, and the double-sided sanding device further comprises a sanding mechanism arranged on the box frame and used for sanding saw blades. Wherein the feeding mechanism is arrangedon one side of the box frame and used for feeding and fixing saw blades, and the feeding mechanism is arranged between the sanding mechanisms. The saw blade is limited and fixed through the feeding mechanism, the two faces of the saw blade are ground through the grinding mechanism, meanwhile, the rotating directions of the grinding wheels on the two faces are opposite, the saw blade is balanced, the grinding quality and efficiency are improved, and the labor intensity of workers is reduced. 本实用新型公开了一种双面磨砂装置，包括支撑装置，所述支撑装置包括箱架，所述箱架下端四角设置有支撑座，还包括设置在所述箱架上的用于对锯片进行磨砂的磨砂机构，以及设置在所述箱架一侧的用于对锯片进行送料固定的送料机构，所述送料机构设置在所述磨砂机构之间。本实用新型