Round pressing die suitable for hole saw with diameter of 30 mm

The utility model belongs to a hole saw rounding die adapting to the diameter of 30mm, which comprises a lower die holder and an upper die holder, and is characterized in that a lower die is fixed in the middle of the upper surface of the lower die holder, a V-shaped groove is arranged in the middle of the upper surface of the lower die, and the bottom of the V-shaped groove is made into a lower die arc-shaped groove; an upper die is fixed below the front side of the upper die base through two first hexagon bolts, a V-shaped boss is arranged at the lower end of the upper die, and an upper die arc-shaped groove is formed in the lower end of the V-shaped boss. According to the utility model, the roundness of the hole saw is improved, and the product quality is improved. 本实用新型属于一种适应直径30毫米孔锯压圆模具，包括下模座和上模座，其特征在于下模座上面中间固定一个下模，下模上面中间设有V形凹槽，V形凹槽的底部制成下模圆弧形凹槽；在上模座前侧下面用两个六角螺栓一固定一个上模,上模下端设有V形凸台，V形凸台下端制成上模圆弧形凹槽。该实用新型提高了孔锯圆度，提高了产品质量。