Pre-stretching film frame

• Main Author: SHENG ZHIHUI
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2022
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; UNPACKING

The utility model provides a pre-stretching film frame, and relates to the technical field of winding packaging machines, the pre-stretching film frame is provided with a film supply mechanism and a lifting mechanism for driving the film supply mechanism to move up and down, and the film supply mechanism is provided with a first mounting seat, a stretching mechanism, a tension mechanism and a guide mechanism; the first mounting seat is used for placing a film roller; the stretching mechanism is provided with a first rubber roller and a second rubber roller, and is provided with a first driving mechanism for driving the first rubber roller to rotate and a second driving mechanism for driving the second rubber roller to rotate; the tension mechanism is provided with a tension roller and a detection mechanism for identifying the tension on the tension roller; the guide mechanism is provided with a guide roller used for adjusting the conveying direction of the winding film. 本申请提供了一种预拉伸膜架，涉及缠绕包装机的技术领域，设有供膜机构、带动供膜机