Secondary core-pulling structure of light guide strip mold

• Main Authors: Yu Weibing, Li Jinguo
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2016
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; 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 invention provides a secondary core-pulling structure of a light guide strip mold and belongs to the technical field of mold manufacturing. The technical problem that during core pulling of an existing mold, product damage is easily caused is solved. The light guide strip mold comprises a fixed mold body and a movable mold body. The fixed mold body and the movable mold body are oppositely arranged and can form a cavity. The secondary core-pulling structure comprises an installing hole which is formed in the movable mold body, faces the cavity and is communicated with the cavity. A limiting rod is arranged in the installing hole, one end of the limiting rod is connected with a core-puling rod facing the cavity, the other end of the limiting rod is provided with a spring, and the two ends of the spring act on the limiting rod and the movable mold body respectively. A limiting boss is arranged on the peripheral surface of the limiting rod, and a hole position platform abutting against the limiting boss is ar