合肥工业大学创新教育研究报告班级: 机械设计制造及其自动化 09-6 班学号: 20090554 姓名: 金雪莹指导老师: 翟华日期: 2012 年6月 23日目录第一章绪论·······························································3 引言··································································3 研究目的和意义························································3 第二章核桃剥壳机的研究现状···············································3 采用定向对刀挤切原理设计的核桃剥壳机··································3 采用挤搓原理设计的核桃剥壳机···········································4 采用逐渐挤压方法设计的核桃剥壳机······································4 第三章核桃剥壳机结构设计················································5 第四章核桃剥壳机主要部件设计与选择······································6 凸轮的设计····························································6 锥齿轮的设计··························································7 主传动轴的设计························································7 第五章总结······························································7 第一章绪论 引言破壳是代课的物料进行深加工前的一道工序,近年来,国内有些企业已逐步研制开发出一些核桃剥壳机, 但多数剥壳机一次性破壳率低, 碎仁率高。致使生产效率低, 加工损失大。我国在传统脱壳设备基础上,尽管正在积极研制和开发各种类型脱壳机,但在技术上还存在如下问题: 1 脱壳率低,脱壳后破碎率高; 2 机械性能不稳定,适应性差; 3 通用性差; 4 作业成本偏高; 5 有些产品仅进行了样机试制或少量生产,未进行大量生产。 研究目的和意义为了了使坚果食品增值, 近年来各国都在加工制造成品方面想办法。目前整体核桃仁在国际市场上的价格是带壳核桃的几十倍,且核桃带壳保存容易霉烂。因此,,是发展的必然。我国核桃资源丰富, 1993 年全国产量达到 万吨,如何有效去壳,对满足人们生活需要和换取外汇都有着重要的意义。坚果类破壳问题的研究, 如苏联专利破裂松果的仿佛, 日本专利破除栗壳的方法, 我国对棉核桃壳剥取仁机理的研究, 在理论和实践方面都做了有益的探讨, 但均未解决
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