| 王婧月， 陆佳平.全约束M型预制袋袋口折合机构设计[J].轻工机械,2023,41(2):22-28 |
| 全约束M型预制袋袋口折合机构设计 |
| Design of Folding Mechanism of Full Restraint M Shaped Prefabricated Bag |
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| DOI：10.3969/j.issn.1005 2895.2023.02.004 |
| 中文关键词: 预制袋包装机 直线机构 M型预制袋 袋口折合机构 运动学分析 |
| 英文关键词:prefabricated bag packaging machine straight line mechanism M shaped prefabricated bag bag opening folding mechanism kinematic analysis |
| 基金项目: |
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| 摘要点击次数: 252 |
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| 中文摘要: |
| 针对现有袋口折合技术无法满足低挺度M型预制袋折合需求的问题，课题组设计了一种仅含转动副的袋口折合机构。对能实现1条直线轨迹的哈特第二连杆机构进行改进，从而实现M型预制袋袋口折合过程的3条直线轨迹；结合具体工程实例，对机构进行运动方案设计以及运动学数值计算和仿真模拟，并对机构运动特性进行优化。结果表明：该机构完全能够满足M型预制袋的折合轨迹需求，折合率为89.44%；经过优化后的运动规律不存在柔性或刚性冲击，有效提高了机构的运动精度。该袋口折合机构为M型预制袋的折合工序提供了一种更加可靠、便捷的方法。 |
| 英文摘要: |
| Aiming at the problem that the existing bag opening folding technology cannot meet the folding requirements of low stiffness M shaped prefabricated bags, a bag opening folding mechanism with only a rotating pair was designed. The Hart second linkage mechanism, which can realize a straight path, was improved to realize three straight paths in the folding process of the M shaped preformed bag opening. Combined with specific engineering examples, the motion scheme design as well as kinematics numerical calculation and simulation of the mechanism were carried out, and the kinematic characteristics of the mechanism were optimized. The results show that the mechanism can fully meet the demand of the conversion track of the M shaped preformed bag, and the conversion rate is 89.44%; the optimized motion law has no flexible or rigid impact, which effectively improves the motion accuracy of the mechanism. The bag opening folding mechanism provides a more reliable and convenient method for the folding process of M shaped prefabricated bags. |
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