Double-layer packaging film unwinding mechanism

• Main Authors: WANG ZILIANG, YANG ZHENYUN, YANG JIANQING, YANG ZHENGAO, LI XINGUO, LI JINYUAN
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• 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 relates to the technical field of packaging equipment, and discloses a double-layer packaging film unwinding mechanism which comprises an installation frame, a first support used for placing an inner-layer film roll and a second support used for placing a thermal shrinkage film roll are arranged on the installation frame, and the first support is located above the second support. A first tensioning mechanism is arranged on one side, located on the first support, of the mounting frame, and a second tensioning mechanism is arranged on one side, located on the second support, of the mounting frame; according to the double-layer packaging film unwinding mechanism, simultaneous unwinding of an inner-layer packaging film and a thermal shrinkage film can be achieved continuously, the inner-layer packaging film and the thermal shrinkage film can be conveyed to a packaging device at the same time conveniently in cooperation with the packaging device, the inner-layer packaging film is matched with the