Folding device and blow molding machine comprising same

• Main Author: XIE PINGZHONG
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2020
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; PACKING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; STORING; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The folding device comprises a support and a folding mechanism, the folding mechanism is connected to the support and comprises a tensioning roller, a pressing rod and a folding rod, the tensioning roller is rotatably connected to the support, the folding rod is arranged in front of the tensioning roller, the upper end of the folding rod is connected with the support, and the lower end of the folding rod is connected with the folding mechanism. The left end and the right end of the pressing rod are connected to the support, the lower end of the folding rod inclines rightwards from top to bottom along the axis of the folding rod, the lower end of the folding rod is slidably connected to the pressing rod, and the pressing rod is used for pressing the plastic bag. Under the tension effect ofthe rolled plastic bag, the plastic bag is folded through the folding rod, namely the width of the garbage plastic bag wound on the paper tube is reduced, the plastic bag is tightly pressed through the pressing rod, and the s