Claims (3)
一種卡扣式隱形眼鏡模具，係包含：一上模及一下模，該上模設成第一環片中央設有凸模區域，該凸模區域端部設有凸光學表面，該凸光學表面邊緣具有第一界定凸部，該下模設成第二環片中央設有凹模區域，該凹模區域底部設有凹光學表面，該凹光學表面邊緣具有第二界定凸部，該凸光學表面、凹光學表面、第一界定凸部及第二界定凸部圍閉形成成型腔；其特徵在於：該凸模區域與該第一環片交接端之外周緣設有卡扣環，該凹模區域與該第二環片交接端之內周緣設有對應該卡扣環形狀之卡定槽，藉由該卡扣環呈全周圓嵌入該卡定槽結合定位，使該上、下模於成型過程中不易脫離、位移，且於成型後可方便拆離之實用功效。A snap-on contact lens mold includes: an upper mold and a lower mold, wherein the upper mold is disposed with a convex mold region at a center of the first annular sheet, and a convex optical surface is disposed at an end of the convex mold region, the convex optical surface The edge has a first defining protrusion, the lower die is disposed with a concave die region at the center of the second ring piece, and a concave optical surface is provided at the bottom of the concave die region, the concave optical surface edge has a second defining convex portion, the convex optical The surface, the concave optical surface, the first defining protrusion and the second defining protrusion enclosing the forming cavity; wherein: the convex portion and the periphery of the first ring piece are provided with a snap ring, the concave The inner peripheral edge of the die region and the second ring piece intersection end is provided with a locking groove corresponding to the shape of the snap ring, and the snap ring is embedded in the locking groove by a full circumference, so that the upper and lower molds are combined. It is not easy to be detached and displaced during the molding process, and can be easily detached after molding.
如申請專利範圍第1項所述之卡扣式隱形眼鏡模具，其中，該卡扣環設成圓潤弧凸狀，該卡定槽設成圓潤凹弧狀。The snap-on contact lens mold according to claim 1, wherein the snap ring is formed in a rounded arc shape, and the locking groove is formed in a rounded concave arc shape.
如申請專利範圍第1項所述之卡扣式隱形眼鏡模具，其中，該卡扣環設有複數個透氣槽。The snap-on contact lens mold of claim 1, wherein the snap ring is provided with a plurality of venting grooves.