Die board of polishing usefulness

The utility model provides a die board of polishing usefulness, main template by polymer synthetic material integrated into one piece, the upper surface of template has the concave surface, all is equipped with the spacing groove around the concave surface, spacing groove towards the inside direction level extension of template, and the spacing groove tip is the arc, evenly distributed has a plurality of negative pressure groove positions on the concave surface, and it is recessed that the negative pressure groove position is the arc, the template lower surface is equipped with a plurality ofspacing posts. The utility model discloses utilizing the smooth work piece in polymer synthetic material and surface to form the self absorption mode, having substituted traditional vacuum adsorptionsystem that optical equipment adopted of throwing, effectively solve the work -handling difficulty, the many scheduling problems of equipment trouble improve production efficiency. 本实用新型提供种抛光用的凹模板，主要由高分子合成材料体成型的模板，所述模板的上表面具有凹面