Mold with delay insert and injection molding product

• Main Authors: QIU YONGTANG, HE LANGTAO
• Format: Patent
• Language: Chinese; English
• Published: 24.02.2023
• 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 utility model relates to a mold with a delay insert. The mold comprises a driving piece and a delay insert, the rear mold plate is arranged above the driving piece, and the top of the driving piece and the bottom of the rear mold plate are arranged in a clearance mode; the rear mold core is arranged in the center of the rear mold plate, and a counter bore is formed in the bottom of the rear mold core; the rear mold insert pin is of a countersunk head structure, the countersunk head end of the rear mold insert pin is reserved in a large-diameter hole of the counter bore, the tail end of the rear mold insert pin penetrates through the rear mold core, and in the injection molding process, the tail end of the rear mold insert pin is used for forming an annular protrusion of an injection molding product; the countersunk head end of the rear mold insert pin and the large-diameter hole of the counter bore are arranged in a clearance way; and the head end of the ejector pin is fixedly connected with the driving p