瓶装产品的充气袋包装研究
发布时间：2018-11-16 11:42
【摘要】：充气袋包装特指通用气垫基于特定产品进行热封成型的特殊缓冲包装形式，课题探讨了包装的基本构成与特性，并分析了影响其缓冲性能的各方面因素；通过对影响包装效果的各方面因素分析，找出其影响规律，并以瓶装产品的充气袋包装为基础，为其包装设计提供理论基础与指导，使充气袋缓冲包装设计更合理、可靠。 首先考虑到在包装系统的评估试验中，跌落造成的冲击最为剧烈，课题通过跌落冲击试验与力学模型分析的方法评估气垫的缓冲效果；通过跌落试验结果与力学模型分析来了解气垫在跌落过程中的行为，从而评估不同规格气垫对跌落冲击过程的影响，得到不同充气压力、不同气室宽度与不同跌落高度所带来的缓冲效果。将冲击过程中的能量损失考虑到包装系统中简化数值分析。研究表明跌落过程能量损失对分析结果有很大影响。 其次，通过对充气袋基本单元、不同规格的气垫进行相关力学性能的试验测试，即对空气垫进行了静态压缩试验，得到不同规格气垫的应力-应变曲线，并从中得到不同薄膜厚度、初始气压与气室宽度对其压缩特性与缓冲特性的影响；针对不同规格气垫，在一定包覆面积下，选用不同重块质量，进行模拟跌落试验，从而了解不同薄膜厚度、初始气压、气室宽度等因素对缓冲性能的影响。在以上试验的基础上，利用静态压缩试验得到的应力-应变曲线，，采用能量法，对跌落冲击试验过程进行力学模型分析，加入能量损失的探讨，利用试验结果与数值模拟的值归纳出不同静应力下，不同气室宽气垫的能量损失选用标准；由此预测跌落冲击试验过程中的最大加速度值，结果显示与试验值相近，因而可以利用数值模拟方法代替跌落冲击试验预测最大加速度值。 通过上述力学模型分析的方法，对充气袋的气垫规格参数设计提供了理论依据；再根据传统设计六步法，拟定瓶装产品的充气袋包装设计方法，并提出了气垫规格参数的设计流程图。进一步根据各因素对气垫特性的影响规律，对葡萄酒瓶装产品进行充气袋包装设计与尺寸参数确定，并通过跌落试验验证了其设计的可行。
[Abstract]:The inflatable bag packaging refers to the special cushioning packaging form in which the general air cushion is formed by heat sealing based on specific products. The basic structure and characteristics of the packaging are discussed, and the factors affecting its cushioning performance are analyzed. Through the analysis of various factors affecting the packaging effect, the influence law is found out, and based on the inflatable bag packaging of bottled products, the theoretical basis and guidance are provided for the packaging design, so that the cushion packaging design of the inflatable bag is more reasonable and reliable. Firstly, considering that the impact caused by drop is the most severe in the evaluation test of packaging system, the cushioning effect of air cushion is evaluated by drop impact test and mechanical model analysis. The behavior of air cushion in the process of falling is understood by the result of drop test and the analysis of mechanical model, and the influence of air cushion of different specifications on the process of falling impact is evaluated, and the different inflatable pressure is obtained. The buffer effect of different air chamber width and different drop height. The energy loss during impact is taken into account in simplified numerical analysis in packaging system. The results show that the energy loss of the drop process has a great influence on the analysis results. Secondly, the stress-strain curves of air cushion with different specifications are obtained by testing the mechanical properties of the basic unit and different specifications of the air cushion, that is, the static compression test of the air cushion. The effects of different film thickness, initial pressure and chamber width on its compression and buffer characteristics were obtained. According to different specifications of air cushion, under a certain covering area, different weight mass was selected to carry out simulated drop test, so as to understand the effects of different film thickness, initial air pressure and air chamber width on the buffer performance. On the basis of the above tests, the stress-strain curve obtained from static compression test is used to analyze the mechanical model of drop impact test process by energy method, and the energy loss is discussed. According to the experimental results and numerical simulation values, the energy loss criteria of different chamber wide gaskets under different static stresses are concluded. The results show that the maximum acceleration value in drop impact test can be predicted by numerical simulation instead of drop impact test. The theoretical basis for the design of the air cushion specification parameters of the inflatable bag is provided by the above method of mechanical model analysis. According to the traditional six-step design method, the packaging design method of air-filled bag for bottled products is worked out, and the design flow chart of air cushion specification parameters is put forward. Furthermore, according to the influence of various factors on the air cushion characteristics, the packaging design and dimension parameters of the wine bottle were determined, and the feasibility of the design was verified by drop test.
【学位授予单位】：江南大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TS262.6;TB485.2
本文编号：2335416
[Abstract]:The inflatable bag packaging refers to the special cushioning packaging form in which the general air cushion is formed by heat sealing based on specific products. The basic structure and characteristics of the packaging are discussed, and the factors affecting its cushioning performance are analyzed. Through the analysis of various factors affecting the packaging effect, the influence law is found out, and based on the inflatable bag packaging of bottled products, the theoretical basis and guidance are provided for the packaging design, so that the cushion packaging design of the inflatable bag is more reasonable and reliable. Firstly, considering that the impact caused by drop is the most severe in the evaluation test of packaging system, the cushioning effect of air cushion is evaluated by drop impact test and mechanical model analysis. The behavior of air cushion in the process of falling is understood by the result of drop test and the analysis of mechanical model, and the influence of air cushion of different specifications on the process of falling impact is evaluated, and the different inflatable pressure is obtained. The buffer effect of different air chamber width and different drop height. The energy loss during impact is taken into account in simplified numerical analysis in packaging system. The results show that the energy loss of the drop process has a great influence on the analysis results. Secondly, the stress-strain curves of air cushion with different specifications are obtained by testing the mechanical properties of the basic unit and different specifications of the air cushion, that is, the static compression test of the air cushion. The effects of different film thickness, initial pressure and chamber width on its compression and buffer characteristics were obtained. According to different specifications of air cushion, under a certain covering area, different weight mass was selected to carry out simulated drop test, so as to understand the effects of different film thickness, initial air pressure and air chamber width on the buffer performance. On the basis of the above tests, the stress-strain curve obtained from static compression test is used to analyze the mechanical model of drop impact test process by energy method, and the energy loss is discussed. According to the experimental results and numerical simulation values, the energy loss criteria of different chamber wide gaskets under different static stresses are concluded. The results show that the maximum acceleration value in drop impact test can be predicted by numerical simulation instead of drop impact test. The theoretical basis for the design of the air cushion specification parameters of the inflatable bag is provided by the above method of mechanical model analysis. According to the traditional six-step design method, the packaging design method of air-filled bag for bottled products is worked out, and the design flow chart of air cushion specification parameters is put forward. Furthermore, according to the influence of various factors on the air cushion characteristics, the packaging design and dimension parameters of the wine bottle were determined, and the feasibility of the design was verified by drop test.
【学位授予单位】：江南大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TS262.6;TB485.2
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