热风非织造材料打孔压花复合辊机构优化设计与性能研究

Optimal design and performance research of punching and embossing composite roller mechanism for hot-air nonwovens

摘要

针对当前传统打孔压花复合辊机构存在幅宽小、加工易变形、运行速度较慢、打孔压花定位精度不足、生产效率与产品合格率偏低等问题,开展打孔压花复合辊机构的整体优化研究。通过对辊体结构与辊体花型、高精度模架与同步传动定位系统、热传导均衡温控系统等进行优化,实现了打孔压花复合辊机构有效幅宽、运行速度、辊面温度控制精度与产品定位精度的同步提升。经实际生产验证,优化的打孔压花复合辊机构其有效幅宽可达2.2 m,运行速度提升至100 m/min,辊面温度控制精度为±0.5 ℃,产品定位精度为±0.10 mm,能满足卫生用品及医疗防护等领域对高品质热风复合非织造材料的商业化生产需求。该优化方法可为卫生用品生产装备技术升级提供机械设计层面的技术支撑。

Abstract

In view of the problems existed in the current traditional punching and embossing composite roller mechanism, such as narrow width, easy deformation during processing, slow running speed, insufficient positioning accuracy of punching and embossing, and low production efficiency and product qualification rate, the overall optimization research of punching and embossing composite roller mechanism was carried out. The effective width, operating speed, roller surface temperature control accuracy, and product positioning accuracy of the punching and embossing composite roller mechanism were simultaneously improved through the optimization of the roller body structure and pattern, the high-precision mold frame and synchronous transmission positioning system, as well as the heat conduction balanced temperature control system. It was verified by actual production that the effective width of the optimized punching and embossing composite roller mechanism reached 2.2 m, the operating speed was increased to 100 m/min, the roller surface temperature control accuracy was ±0.5 ℃, and the product positioning accuracy was ±0.10 mm. Therefore, the commercial production requirements for high-quality hot-air composite nonwovens in the fields of hygiene products and medical protection could be met. The optimization method can provide technical support at the mechanical design level for the technological upgrading of hygiene product production equipment.

关键词

热风非织造材料 / 卫生用品 / 打孔压花复合辊机构 / 优化 / 有效幅宽 / 运行速度 / 辊面温度 / 产品定位 / 精度

Key words

hot-air nonwoven / hygiene product / punching and embossing composite roller mechanism / optimize / effective width / operating speed / roller surface temperature / product position / accuracy

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