坚果破壳机说明书

河北农业大学本科毕业设计题目：坚果破壳机学院：工程技术学院专业班级：机械设计制造及其自动化1301学号：2013614800113学生姓名：张远帆指导教师姓名：王泽河王伟张博指导教师职称：教授讲师助教二O一七年六月一日1坚果破壳机摘要：减轻人工坚果破壳的工作量繁重、人工成本高的麻烦是我此设计的最终目的用破壳机代替人工来节约破壳成本和提高工厂的效益。因为坚果种类繁多,这里我选用榛子来作为研究对象。开发深加工技术,拓宽榛子利用方法是提高榛子商品价值的主要途径,而解决这一问题的前提条件就是对榛子进行去壳。榛子剥壳机的设计是我本次的审计题目,以前人们的剥壳方法都是通过用手去剥的,这种方法剥出来的榛子仁虽然质量比较高但是生产率比较低,但我设计出来的这款剥壳机,榛子得主动剥壳可以得到实现,而且和人工用手剥壳相比,生产效率得到了大大提升。然而该产品与发达国家的榛子剥壳机相比,还是有很大的差距的,所以设计出新型的榛子剥壳机是比较迫切的事。关键词：剥壳机，通用型，加工设计ChestnutshellerAbstract:thepurposeofthisdesignistosolvetheproblemofartificialandhighcostwhenthenutbreakstheshell,andsavethecostofshellbreakingandimprovethebenefitofthefactorybyreplacingthemanpowerwiththeshellbreakingmachine.Becauseofthevarietyofnuts,Ichoosehazelnutastheobjectofstudyhere.Developingdeepprocessingtechnologyandwideningtheutilizationofhazelnutarethemainwaystoimprovethecommodityvalueofhazelnut,andthepreconditionofsolvingthisproblemistoshellthehazelnut.HazelnutshellerisIdesigntheauditsubject,previouslyshellingmethodsareadoptedbyhandstripping,strippingoutthismethodalthoughhazelnutqualityisrelativelyhighbuttheproductivityisrelativelylow,buttheshellingmachinedesignedbyme,theinitiativetogethazelnutpeeling,andcomparedwiththeartificialhandpeeled,theproductionefficiencyhasbeengreatlyimproved.However,thehazelnutshellerproductscomparedtodevelopedcountries,thereisstillabiggap,sothedesignofhazelnutshellermodelismoreurgent.Keywords:Sheller,universaldesign,processing2第1章绪论.............................................................................................................................................31.1研究背景及意义.......................................................................................................................31.2.1国外研究现状................................................................................................................3第2章总体设计.....................................................................................................................................32.1主要结构及工作原理...............................................................................................................42.1.1主要结构.......................................................................................................................42.1.2工作原理........................................................................................................................42.2技术参数....................................................................................................................................4第3章主要零部件的设计.....................................................................................................................43.1电动机的选择............................................................................................................................43.1.1选择电动机类型............................................................................................................53.1.2电动机转速的选择.......................................................................................................53.2减速机构的设计........................................................................................................................53.2.1分配传动比....................................................................................................................53.2.3齿轮的设计....................................................................................................................73.2.4轴及轴承装置、键的设计..........................................................................................103.3V带传动的设计........................................................................................................................143.3.1V带的基本参数..........................................................................................................143.3.2带轮结构的设计.........................................................................................................163.4主轴的设计与校核..................................................................................................................173.4.1轴上的功率P、转速n、转矩T................................................................................173.4.2初步确定轴的最小直径.............................................................................................173.4.3轴的结构设计.............................................................................................................173.4.4轴上的载荷..................................................................................................................183.4.5精确校核轴的疲劳强度..............................................................................................203.5主轴承的选择与校核...............................................................................................................223.5.1计算轴承受到的径向载荷..........................................................................................223.5.2计算轴承轴向力..........................................................................................................223.5.3求轴承的当量动载荷..............................................................................................