Blowing mandrel, injection molding mould and blowing forming die

• Main Author: LIN YUNNAN
• Format: Patent
• Language: Chinese; English
• Published: 02.03.2018
• 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 belongs to the technical field of mould production, a blowing mandrel, injection molding mould and blowing forming die is provided, blowing mandrel body include mandrel upper end, chamber mould section and locate the mandrel upper end and chamber mould section between the axle sleeve section, mould section outer surface distribution in chamber has a micropore, the air flue intercommunication of micropore and blowing mandrel. Compared with the prior art, the utility model discloses because the chamber mould section at the blowing mandrel has set up evenly distributed's micropore, when the blowing in -process was blown, gas can pass through the outside blowing of micropore, had realized the complete surperficial blowing of blowing mandrel to can change blowing of the resulting in problem that the atress is unbalanced, the strength of blowing is not enough of to blow on the mandrel, can make the wall thickness more even, avoid the defect of product, promote the product yield greatly. 本实用新型属于模具生