Three-in-one automatic air ring structure of film blowing machine

• Main Authors: CHEN LONG, CAI JUNJIN, LOU DONGDONG, DAI DAOMIAN
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2024
• 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 film blowing machine three-in-one automatic air ring structure which comprises an air ring body, an annular air inlet cavity is arranged in the air ring body, air ducts which are arranged in the radial direction of the air ring body and are annularly and evenly distributed are further arranged in the air ring body, valve plates capable of blocking the air ducts are arranged in the air ducts, and rotation of the valve plates is driven by a servo motor. An air duct is arranged in the air ring body, an electric heating wire is further inserted in the air duct, the air inlet cavity is connected with a fan through an air pipe, an air guide ring is inserted in the hollow position of the air ring body, and the output end of the air duct extends to the position between the outer wall of the air guide ring and the hollow inner wall of the air ring body to form an air outlet channel. The film wall thickness detector is connected with a control processor, and the control processor is in con