茄果类蔬菜嫁接机切削装置工作参数优化与试验  

Optimization and experiment of working parameters of cutting device for solanaceous vegetable grafting machine

作　　者：李友余[1] 刘凯[1] 姜凯[2] Li Youyu;Liu Kai;Jiang Kai(School of Innovation and Entrepreneurship,Guangdong Mechanicaland Electrical Polytechnic College, Guangdong Guangzhou, 510515,China;Beijing Research Center of Intelligent Agricultural Equipment Technology, Beijing, 100097,China)

机构地区：[1]广东机电职业技术学院创新创业学院,广东广州510515 [2]北京农业智能装备技术研究中心,北京100097

出　　处：《机械设计与制造工程》2020年第8期43-47,共5页Machine Design and Manufacturing Engineering

基　　金：北京市农林科学院创新能力建设专项(KJCX20180422);国家863计划资助项目(2013AA102406)。

摘　　要：为提高嫁接生产率和后期嫁接苗的愈合成活率,设计了茄果类蔬菜嫁接机的切削装置。以处于嫁接期的接穗和砧木为实验对象进行切削试验,探讨了基于贴接法所采用的不同切削方式对切削质量的影响。以切削速度、切刀座工作面夹角和刀刃厚度作为试验因素,切削偏移率和茎秆拉丝率为试验指标,通过作业性能试验确定了该装置的最优工作参数。试验结果表明:同等切削条件下,斜切所需极限切应力略大于削切,但切后创口均匀度较好,不易产生拉丝现象,利于嫁接苗后期创口愈合,适合应用在切削装置上;当嫁接用苗切削装置的切刀切削速度为150 mm/s、切刀座工作面夹角为60°、刀刃厚度为1.5 mm时切削效果最好。In order to improve the healing and survival rate of grafted seams and later grafted seedlings,this paper designs a cutting device of the solanum fruit vegetable grafting machine.It makes scions and rootstocks in the grafting stage as experimental objects to carry out cutting experiments,and discusses the influence of different cutting methods based on the bonding method on cutting quality.It takes the cutting speed,the angle of the cutter seat working surface and the thickness of the blade as the test factors,the cutting deviation rate and the stalk drawing rate as the test indicators,and determines the optimal working parameters of the device through the working performance test.The test results show that:under the same cutting conditions,the limit shear stress required for beveling is slightly greater than that of beveling,but the uniformity of the wound after cutting is better,and it is not easy to produce wire drawing,which is conducive to wound healing in the later stage of grafted seedlings,and is suitable for use in cutting devices.The cutting effect is best when the cutting speed of the grafting seedling cutting device is 150 mm/s,the angle of the working face of the cutter block is 60°,and the thickness of the blade is 1.5 mm.

关 键 词：蔬菜嫁接机 切削装置 接穗 砧木 茄果类 工作参数 

分 类 号：S233.74[农业科学—农业机械化工程]