A easy-tear film welding mechanism

The utility model relates to an easy-tear film welding mechanism and belongs to the field of soft-bag large transfusion packaging. The easy-tear film welding mechanism comprises a rack and further comprises a film releasing assembly, a film collection assembly, a cold punching die assembly, a film suction assembly and a film welding assembly, which are installed on the rack. The cold punching die assembly is installed between the film releasing assembly and the film collection assembly. Through a guide assembly, a plastic film enters the film collection assembly from the film releasing assembly via the cold punching die assembly. The film suction assembly is installed above the cold punching die assembly and is connected with a transmission assembly. The film welding assembly is arranged above a formed bag body. The easy-tear film welding mechanism achieves automatic welding of easy-tear films of soft-bag large transfusion packaging and is high in working efficiency.