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Position: Home > Articles > Design and Experiment on Fresh Food Packaging Machine with Negative Pressure Transactions of the Chinese Society for Agricultural Machinery 2018 (1) 344-351

负压式生鲜食品包装机设计与试验

作  者：
郑兆启;马季威;杜志龙;许娜;李培刚
单  位：
中国农业机械化科学研究院;同方知网(北京)技术有限公司;中国农业大学工学院
关键词：
负压;包装机;生鲜食品;设计;试验
摘  要：
针对目前国内人工包装生鲜食品劳动强度大、生产效率低等问题,设计了一种负压式生鲜食品包装机。该包装机由横封装置、切断机构、送膜机构和纵封装置等构成,能够一次性完成物料的输送、封膜包装作业,可适用多种规格生鲜食品的包装。通过FLUENT对后吸风盒流场分析,采用截面参数lA和lB分别为25 mm和64 mm的直角盒型,并经过试验确定后吸风盒吸风口静压为32 Pa。张膜输送带通过调整偏心滚筒,保证上部输送带和下部输送带之间有足够的压力。样机试验表明:包装机对于生鲜食品的包装速度为49.4包/min,包装率为99.4%,鼓包率为5%,基于负压式原理的负压式生鲜食品包装机达到了生鲜食品包装作业要求。
译  名：
Design and Experiment on Fresh Food Packaging Machine with Negative Pressure
作  者：
ZHENG Zhaoqi;MA Jiwei;DU Zhilong;XU Na;LI Peigang;College of Engineering,China Agricultural University;Chinese Academy of Agricultural Mechanization Sciences;Tongfang Knowledge Network Technology Co.,Ltd.(Beijing);
关键词：
negative pressure;;packaging machine;;fresh food;;design;;experiment
摘  要：
A kind of fresh food packaging machine based on the negative pressure type was designed in view of high labor intensity and low production efficiency due to artificially packaging. The packaging machine consisted of transverse sealing device,cutting mechanism,film feeding mechanism,vertical sealing device,and so on,which was suitable for many kinds of fresh food packaging. And the structure and working parameters of the device for negative pressure type fresh food packaging machine was studied. According to the FLUENT analysis of the inner flow field of rear air suction box,the box adopted cross section of rectangular box type. And the cross sectional parameters were 25 mm and 64 mm. The belt conveyor was adjusted by the eccentric roller to ensure that there was sufficient pressure between the upper belt and the lower belt. Meanwhile,by using the virtual prototype of ADAMS,the influence of main parameters on motion of the mechanism was obtained. The prototype test showed that the packaging speed was 49. 4 pack/min,the packaging rate was 99. 4%,and the swell rate was 5%,which indicated that the fresh food packaging machine could satisfy operation demand of the enterprises engaged in processing fresh food. The fresh food packaging machine with negative pressure type met the design requirement and anticipated goal.

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