Thin film deviation rectifying assembly and thin film stretching device

• Main Author: CUI YAQIANG
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model belongs to the technical field of film stretching, and discloses a film deviation rectifying assembly and a film stretching device. The device comprises a compression roller and an offset detection part, the compression roller is axially provided with at least two groups of air valves, the offset detection part can detect the offset direction of a film, and the offset detection part is electrically connected with a control system; the control system can adjust the air valve which can increase or reduce the pressure of the pressing roller on the film. The problem that in the prior art, a film deviates in the longitudinal film stretching process is solved. 本实用新型属于薄膜拉伸技术领域，公开了一种薄膜纠偏组件及薄膜拉伸装置；其中包括压辊和偏移检测件，压辊轴向设置有至少两组气阀，偏移检测件能检测薄膜偏移方向，偏移检测件与控制系统电连接；控制系统能调节气阀，气阀能增加或降低压辊对薄膜的压力；解决现有技术下纵向拉伸薄膜过程中薄膜自身跑偏的问题。