Presbyopic glasses manufacturing mold

• Main Author: PENG HANWU
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2022
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model relates to the field of lens manufacturing, and discloses a presbyopic glasses manufacturing mold which comprises a movable mold and a fixed mold which are oppositely arranged, the fixed mold is located above the movable mold, a sprue is formed in the center of the fixed mold, a plurality of forming cavities, runners and exhaust grooves are formed in the movable mold, and the runners correspond to the sprue in position and are communicated with the forming cavities. The exhaust groove is formed in the side edge of the forming cavity and communicated with the outer side face of the movable mold, a fixed mold insert is fixed to the lower surface of the fixed mold and corresponds to the forming cavity in position, and the bottom face of the fixed mold insert is sunken upwards, so that the yield of lenses is increased, the product quality is guaranteed, and the production benefit is further improved. 本实用新型涉及镜片制造领域，公开了一种老花镜制造模具，包括相对设置的动模和定模，定模位于动模上方，定模的中央设置有浇口，动模上设置有若干个成型腔、流道和排气槽，流道与浇口的位置相对应并连通成型