Material clamping tool of automatic sand blasting machine

The utility model provides an automatic sand blasting machine material clamping tool which comprises a loading plate, a sand penetrating net is arranged in the middle of the loading plate, a plurality of elastic blocking strips are laterally arranged in the area where the sand penetrating net is located, the elastic blocking strips are used for limiting materials in the area where the sand penetrating net is located, and spring fixing plates and elastic pressing strips are arranged on the loading plate. The elastic barrier strip and the elastic fixing plate are both fixedly connected with the carrying plate, and an elastic piece is arranged between the elastic fixing plate and the elastic pressing strip to clamp materials on the sand penetrating net. Materials can be stably clamped on the sand penetrating net of the tool and arranged in order, the problem that the materials are blown away during sand blasting of the automatic sand blasting machine is solved, the defects of bumping, scratching and the like cau