Mold for blow molding of air filter pipe and insert of mold

• Main Authors: HUANG ZHIGAO, GE XIAOXIANG, XUE QIANDONG, JIANG MINGJIE, ZHANG XIU'EN, CHEN CONG, LIU HONG, ZHOU HUAMIN, CHENG MIAO, WEI YIHUI, LU XINXIN, FANG YONGJIE, WANG JINLANG, CHENG LIBO
• Format: Patent
• Language: Chinese; English
• Published: 08.01.2019
• 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 discloses a mold for blow molding of an air filter pipe. The mold comprises an upper mold (1) and a lower mold (2), wherein a connecting piece (4) is embedded in a cavity of the air filter pipe, a first groove for accommodating the upper part of the connecting piece (4) is formed in a first inward concave part, and a second groove (5) for accommodating the lower part of the connecting piece (4) is formed in a second inward concave part (3); a positioning mechanism for positioning the connecting piece (4) is arranged on the lower mold (2). An insert of the mold for blow molding ofthe air filter pipe is the connecting piece (4), a vertical positioning block (8) is arranged at the upper part of the connecting piece (4), and a ball positioning piece (15) is arranged at the lowerend of the vertical positioning block (8); a horizontal positioning block (7) is arranged at the lower part of the connecting piece (4); at least four connecting holes (6) are formed in the connecting piece (4) and distribute