Film sleeving machine with variable stretch ratio

• Main Authors: GONG XUECHENG, XU CHUN, SHI JUN
• Format: Patent
• Language: Chinese; English
• Published: 25.08.2023
• 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 invention relates to a film sleeving machine with a variable stretch ratio. The device comprises a film releasing mechanism; a tension mechanism; a lifting mechanism; a film feeding mechanism; a film cutting mechanism; the film opening mechanism with the variable stretch ratio comprises a lifting beam, two cross beams, a first driving assembly, a second driving assembly, two moving frames and a fan assembly. The film collecting and opening mechanism with the variable stretch ratio comprises lifting frames, a longitudinal driving assembly, a transverse frame, a transverse driving assembly and a film collecting assembly, and the two lifting frames are connected to the frame in an up-down sliding mode and are oppositely arranged; and the conveying mechanism is arranged at the bottom end of the frame and used for conveying materials to be subjected to film sleeving, the film collecting assembly collects the stretched and unfolded barrel films, and the barrel films are subjected to heat sealing and cutting thr