入料速度动态调节式马铃薯切条机设计与试验
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山东省重大科技创新工程项目(2022CXGC010604)


Design and Experiment of Potato Slicer with Dynamic Adjustment of Feeding Speed
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    摘要:

    针对目前马铃薯切条机切削质量差、切削薯条破损率高以及自动化程度低等问题,对马铃薯切条机结构进行改进设计。采用激光传感器和入料分流装置检测入料速度并对入料速度进行调控,提高入料均匀性与切削稳定性。通过对关键部件的分析确定了影响切条质量的关键因素与取值范围。以离心滚筒转速、推料叶片倾角和切片刀安装角为试验因素,以切条合格率和分切破损率为试验指标,进行三因素三水平响应面试验,利用Design-Expert 10.0.1软件对试验结果进行方差分析,通过响应面分析交互因素对试验指标的影响规律。运用软件优化得出试验因素的最优组合并进行验证试验,结果表明:当离心滚筒转速为224.6r/min、推料叶片倾角为19.4°、切片刀安装角为292°时,切条合格率为96.7%、分切破损率为2.0%。在此基础上进行入料速度控制调节试验,试验结果显示:切条合格率为96.2%,分切破损率为2.4%,产量达3.3t/h,切条合格率提高7%,分切破损率降低4%,切削效率提高28%,提高了马铃薯切条机流水线工作时的切削质量与效率。

    Abstract:

    In view of the problems of poor cutting quality, high breakage rate and low degree of automation, the structure of potato cutting machine was improved. Laser sensor and feed shunt device were used to detect the feed speed and regulate the feed speed to improve the feed uniformity and cutting stability. Taking the speed of centrifugal drum, the inclination angle of returning blade and the installation angle of cutting blade as test factors, and the cutting pass rate as test index, the three factors and three horizontal response surface tests were conducted. The test results were analyzed by Design-Expert 10.0.1 software, and the influence of interactive factors on the test index was analyzed through the response surface. The optimal combination of test factors and the verification test were obtained. The results showed that when the speed of centrifugal drum was 224.6r/min, the inclination angle of returning blade was 19.4°, and the installation angle of slicing knife was 292°, the qualified rate of cutting strip was 96.7%, and the damage rate of dividing cutting was 2.0%. On this basis, the feed speed control and adjustment test was carried out. The test results showed that the qualified rate of cutting strip was 96.2%, the breakage rate was 2.4%, the yield was 3.3t/h, the qualified rate of cutting was increased by 7%, the breakage rate was reduced by 4%, the cutting efficiency was increased by 28%, and the cutting quality and efficiency of the potato cutting machine were greatly improved.

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王相友,王中義,曲军哲,李学强,刘为龙,宋鹏程.入料速度动态调节式马铃薯切条机设计与试验[J].农业机械学报,2024,55(6):332-342. WANG Xiangyou, WANG Zhongyi, QU Junzhe, LI Xueqiang, LIU Weilong, SONG Pengcheng. Design and Experiment of Potato Slicer with Dynamic Adjustment of Feeding Speed[J]. Transactions of the Chinese Society for Agricultural Machinery,2024,55(6):332-342.

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  • 收稿日期:2023-10-27
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  • 在线发布日期: 2024-06-10
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