刀削结合滚动摩擦进料竹笋剥皮机设计与试验
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安徽省农业竞争力提升科技行动项目(皖财农[2019]717号)


Design and Experiment of Bamboo Shoots Peeling Machine with Rolling Friction Feeding Based on Knife-cutting Method
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    摘要:

    针对目前我国竹笋剥皮机械化程度低的问题,设计一种刀削结合滚动摩擦进料竹笋剥皮机。根据竹笋物理特性参数和人工剥笋原理,对竹笋剥皮过程进行力学与运动学分析,确定了影响剥皮效率、损伤率和剥净率的主要因素为刀片安装倾角、剥皮辊转速以及滚筒与剥皮辊轴心高度差,在此基础上,给出了竹笋剥皮机关键部件的设计依据。为获得样机最佳试验物料,以竹笋长度、基部直径作为试验因素进行单因素试验,确定长度为300~320mm、基部直径为29~32mm的竹笋作为剥皮机正交试验物料样本。利用Design-Expert软件设计三因素三水平正交试验,并结合实际工作情况确定最优参数组合,结果表明:当刀片安装倾角为30.12°、剥皮辊转速为229.18r/min、滚筒与剥皮辊轴心高度差为15.43mm时,笋肉损伤率为6.81%,笋皮剥净率为94.59%。在该条件下开展验证试验,得到损伤率、剥净率分别为7.10%、93.22%,与优化参数基本一致,满足剥笋要求。

    Abstract:

    A bamboo shoots peeling machine with rolling friction feeding based on knife-cutting method was designed according to the low degree of mechanization of bamboo shoots peeling in China. Based on the physical characteristic parameters of bamboo shoots and the principle of artificial bamboo shoots peeling, the force and movement analysis in the peeling process were described in detail, and the main factors affecting peeling efficiency, damage rate, no-hell rate were identified as the blade installation angle, the rotation speed of the peeling roller, the axis height difference between the roller and the peeling roller. On this basis, the design principle of the key components and the bamboo shoots peeling machine were given. In order to obtain the best experimental materials for the prototype experiment, single factor experiment was carried out with the length and base diameter of bamboo shoots as experimental factors, and the length from 300mm to 320mm and the base diameter from 29mm to 32mm were selected as orthogonal experimental materials samples for the bamboo shoots peeling machine. The Design-Expert software was used to design the orthogonal experiment and determine the optimal parameter combination of peeling quality according to the actual work situation. The results showed that when the blade installation angle was 30.12°, the rotation speed of the peeling roller was 229.18r/min, the axis height difference between the roller and the peeling roller was 15.43mm, the damage rate of bamboo shoots was 6.81%, and the no-shell rate was 94.59%. The verification experiment was carried out under these conditions, and the results showed that the damage rate and no-shell rate were 7.10% and 93.22%, respectively, which were basically consistent with the optimized parameters. This product can meet the requirements of bamboo shoots peeling.

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曹成茂,刘权,葛俊,车贵族,张远,秦宽.刀削结合滚动摩擦进料竹笋剥皮机设计与试验[J].农业机械学报,2022,53(9):142-150. CAO Chengmao, LIU Quan, GE Jun, CHE Guizu, ZHANG Yuan, QIN Kuan. Design and Experiment of Bamboo Shoots Peeling Machine with Rolling Friction Feeding Based on Knife-cutting Method[J]. Transactions of the Chinese Society for Agricultural Machinery,2022,53(9):142-150.

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  • 收稿日期:2021-11-07
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  • 在线发布日期: 2022-09-10
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