Heat sealing structure of heavy packaging bag

• Main Authors: SUN ZHENGGUANG, BAO YUZHANG, FANG WEIMIN, LU LEILEI, CHENG WENLIANG
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; UNPACKING

The utility model discloses a heat-sealing structure of a heavy packaging bag, which comprises a heat-sealing lower die and a heat-sealing upper die, a heating plate is fixedly arranged on the heat-sealing upper die or the heat-sealing lower die, a welding cloth support is arranged on the heat-sealing lower die and the heat-sealing upper die, and welding cloth extending out of the left side and the right side of the heating plate is arranged on the welding cloth support. A heat-sealing welding rod is arranged on the heating plate, and an avoiding sinking table is arranged on the inner side of the heat-sealing welding rod. The heat sealing device can solve the problem that when an existing heavy packaging bag is subjected to heat sealing, a heat sealing machine is prone to scalding a film, and products are scrapped. The device is simple in structure and can be widely applied to the field of manufacturing of heavy packaging bags. 本实用新型公开了一种重包装袋的热封结构，包括热封下模、热封上模，所述热封上模或热封下模上固定设置有加热板，所述热封下模和热封上模上设置有焊布支架，所述焊布支架上设置