目的 针对卷烟小盒包装过程中拉线部位易出现气泡与褶皱的质量缺陷,分析缺陷产生的主要原因并提出有效的设备优化方案,以降低缺陷率,提升包装质量。方法 通过对拉线和透明纸输送辊加装压力补偿装置与热风补偿装置,增强拉线与透明纸之间的贴合紧密度。以缺陷最严重的I牌号卷烟小盒配套设备为对象进行改进试验并考察不同热风补偿温度对缺陷改善效果的影响。结论 改进后,I牌号卷烟每盒平均拉线气泡数量由29个降至0.8个,拉线褶皱缺陷率由15%降低至0.7%,确定最佳热风补偿温度为110 ℃。该技术方案能够显著减少拉线气泡和褶皱缺陷,具有改造成本低、可复制性高的特点,可推广应用于细支、中支及粗支等各类在用的包装机型。
Abstract
The work aims to analyze the main causes of quality defects of air bubbles and wrinkles commonly occurring at the tear tape area during cigarette pack wrapping and propose effective equipment optimization solutions to reduce defect rates and improve packaging quality. By installing pressure compensation devices and hot-air compensation devices on the rollers conveying the tear tape and cellophane, the adhesion tightness between the tear tape and cellophane was enhanced. Improvement trials were conducted using the packaging equipment for brand I cigarettes, which had the most severe defects, and the effects of different hot-air compensation temperatures on defect reduction were evaluated. After improvement, the average number of air bubbles per pack in brand I cigarettes decreases from 29 to 0.8, and the wrinkling defect rate drops from 15% to 0.7%. The optimal hot-air compensation temperature is determined to be 110 ℃. This technical solution significantly reduces air bubbles and wrinkling defects, features low modification cost, high replicability, and can be widely applied to various existing packaging machines for slim, medium, and thick cigarettes.
关键词
卷烟小盒 /
拉线缺陷 /
包装质量 /
设计改进 /
拉线气泡
Key words
cigarette pack /
tear tape defect /
packaging quality /
design improvement /
tear tape bubble
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基金
陕西中烟工业有限责任公司科技项目（BA000-ZB22007）
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