Novel mold for film blowing machine

• Main Author: WEI JIANQING
• Format: Patent
• Language: Chinese; English
• Published: 03.07.2020
• 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 discloses a novel die for a film blowing machine. Mold body, a mold barrel is arranged on the outer surface of the upper end of the mold body; a die ring is arranged on the outer surface of the lower end of the die body; a spiral mandrel is arranged in the die body; a buffer groove is formed in the die barrel, a discharging port is formed in the outer surface of the middle of theupper end of the die barrel, a water inlet is formed in the outer surface of one side of the lower end of the die ring, a water outlet is formed in the outer surface of the other side of the lower end of the die ring, and a feeding port is formed in the outer surface of the middle of the lower end of the die ring. The novel die for the film blowing machine is provided with the die body, the die barrel, the die ring, the spiral mandrel and the buffer groove, the spiral mandrel is located in the die body, the buffer groove is located in the die barrel, the longitudinal tension of a film can beimproved, a buffer area ca