分级击打式山核桃破壳机的设计  

The Design of Automatically Grading and Hitting Type Hickory Nut Shell Breaking Machine

作　　者：宋超 陈超超 刘贤喜[1] 张开兴[1] Song Chao;Chen Chaochao;Liu Xianxi;Zhang Kaixing(College of Mechanical and Electrical Engineering,Shandong Agricultural University,Tai'an 271018 China)

机构地区：[1]山东农业大学机械与电子工程学院,山东泰安271018

出　　处：《农机化研究》2019年第9期56-61,共6页Journal of Agricultural Mechanization Research

基　　金：国家重点研发计划项目(2016YFD0700500;2017YFD0700100)

摘　　要：针对目前我国山核桃破壳机适用机型少、大部分地区山核桃破壳仍以手工为主的破壳方式的现状,设计并试制了一种自分级击打式山核桃破壳机。首先对山核桃的力学性能进行了分析,然后设计了分级机构和击打机构。同时,对关键的零部件进行有限元仿真分析,并通过试验验证。结果表明:样机的破壳率在99.24%左右,果仁损伤率在6.47%左右。击打式山核桃破壳机破壳率高,果仁损伤率在合理区间,是一种新型高效的山核桃破壳机械。In view of the low application of the hickory shelling machine in China,the current situation of the hickory shell breaking in most areas is still by hand.A kind of striking pecan shelling machine was designed and trial-produced.This article first analyzed the mechanical properties of pecan,and then designed the grading mechanism and shell breaking mechanism.The key components were subjected to finite element simulation analysis and verified by experiments.The shell-breaking rate of the prototype was about 99.24%,and the damage rate of the nuts was about 6.47%.The tests showed that the broken shell rate of the hit-type hickory crusher was high.The damage rate of nuts is in a reasonable range,which is a new type of high-efficiency pecan shelling machinery.

关 键 词：破壳机 击打式 分级机构 有限元分析 破壳率 

分 类 号：S226.4[农业科学—农业机械化工程]