搅拌机的结构设计

本科毕业论文（设计）题目卧式食品搅拌机的结构设计学院机械与电子工程学院专业机械设计制造及其自动化学生姓名戴正强学号11030002指导教师龚智强职称讲师论文字数7740完成日期:2015年5月30日巢湖学院本科毕业论文(设计)诚信承诺书本人郑重声明：所呈交的本科毕业论文(设计)，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用的内容外，本论文不含任何其他个人或集体已经发表或撰写过的作品成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。本人签名：日期：巢湖学院本科毕业论文(设计)使用授权说明本人完全了解巢湖学院有关收集、保留和使用毕业论文(设计)的规定，即：本科生在校期间进行毕业论文(设计)工作的知识产权单位属巢湖学院。学校根据需要，有权保留并向国家有关部门或机构送交论文的复印件和电子版，允许毕业论文(设计)被查阅和借阅；学校可以将毕业论文(设计)的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或扫描等复制手段保存、汇编毕业，并且本人电子文档和纸质论文的内容相一致。保密的毕业论文(设计)在解密后遵守此规定。本人签名：日期：导师签名：日期：2015届巢湖学院本科毕业论文（设计）食品搅拌机的结构设计摘要食品搅拌机可为人类生活带来很大的便利，省时省力，是人们日常生活中不可或缺的一部分，具有体积大，功率大特点，多用于饭店，酒店，食品厂等，而且操作也比较简单，易于清洗，效率高，噪音比较小。本论文设计的搅拌机为商用食品搅拌机，可用于搅拌生产所用的馅料，食品材料等。搅拌机设计为卧式结构，设计两个传动系统：第一个是应用V带和齿轮的主传动系统，通过V带和齿轮的传动实现搅拌轴的转动，达到搅拌效果；第二个是应用楔带和凸轮的摆动系统，对搅拌运动结束后的卸料过程完善。针对食品搅拌机内带轮、直齿轮、斜齿轮、凸轮、轴和搅拌容器的零件尺寸，结构进行设计。通过计算确定带的根数，带轮的轴径，直齿轮、斜齿轮的齿数、分度圆，凸轮类型和尺寸，轴的基本尺寸，搅拌容器的基本尺寸，并对齿轮、轴、键、轴承进行刚度强度校核，然后运用UG进行三维运动仿真，以便更直观的展现设计思路。关键词：食品搅拌机；齿轮传动；凸轮机构；三维仿真搅拌机的结构设计StructureDesignofFoodMixerAbstractThemixerbringsgreatconvenience,savestimeandstrength,andbecomesanindispensablepartofPeople’sdailylife.Itholdstheadvantagesoflargesize,bigpower,andmoreusedinrestaurant,hotel,foodfactory,etc.Somearesimpleoperation,easytoclean,highefficiencyandsmallnoise.Thedirectionofdesignisfoodmixer,whichisusedtomixingfillingsandfoodmaterialsincommerce.Mixerisdesignedtohorizontalstructure,usingtwokindsoftransmissionsystemplan:thefirstisaapplicationofVbeltandgearofthemaindrivesystem,throughtheVbeltandgeartransmissionrealizethestirringshaftrotation,reachtheeffectstirring;thesecondisusingwedgebeltandthemotionoftheCAMsystem,toimprovedischargeprocessafterstirringmovement.Thebasicsizeandstructuredesignofpulley,straightgear,helicalgear,CAM,shaftandthemixingcontainerinfoodmixeraredesignedinthisproject,Throughcalculatingtodeterminethenumberofroot,pulleydiameter,spurgear,helicalgearteeth,dividingcircle,CAMtypeandsize,thebasicdimensionsoftheshaft,thebasicsizeofmixingcontainer,checkrigidityandintensityofgear,shaft,key,bearing,thenusing3dUGtomovementsimulation,inordertomoreintuitivedisplaydesign.KeyWords:foodmixer,geartransmission,CAMmechanismthree-dimensionalsimulation目录1.绪论···············································································11.1课题背景及研究意义··································错误！未定义书签。1.2卧式搅拌机的特点及发展趋势······················错误！未定义书签。1.3论文的研究内容···························································22.卧式搅拌机总体方案设计····················································32.1卧式搅拌机总体结构方案···············································32.2传动方式的确定···························································33.卧式搅拌机结构设计··························································53.1电机参数计算······························································53.1.1电机的选择原则·························································53.1.2主电机额定功率计算···················································53.1.3主电机的选择及参数···················································63.1.4副电机的选择及参数···················································73.2主传动系统的结构设计··················································73.2.1传动比设定与选材······················································73.2.2带轮设计··································································83.2.3齿轮的设计······························································113.2.4轴的设计································································163.3摆动系统的结构设计····················································173.3.1基本结构与选材·······················································173.3.2带轮，齿轮与凸轮的设计···········································173.4搅拌部分的结构设计····················································273.4.1搅拌桨机构设计·······················································273.4.2搅拌容器的结构设计·················································283.4.3联轴器的选择··························································284.安全性计算与校核···························································294.1引言·········································································294.2齿轮的安全性校核·······················································294.3轴的安全性校核··························································314.4轴承的安全性校核·······················································334.5键的安全性校核··························································33结论···························································错误！未定义书签。参考文献·········································································36致谢············································································372015届巢湖学院本科毕业论文（设计）11.绪论1.1课题背景及研究意义飞速的经济发展，人口的快速增长，使得人们对食品的消费需求也迅速增加。所以提高食品的生产加工效率，促进食品行业的发展至关重要。在食品工业中，混合是指两种或两种以上不同物料互相混合，成分浓度达到一定程度均匀性的单元操作[1]。然而，混合搅拌的过程，是一个必不可少的环节。所以对搅拌过程的设计和优化便能够极大地提高食品的生产效率。现如今市场上的食品搅拌机种类繁多，分立式和卧式两种，型号各异，普遍应用于食品加工行业，既解放人力，又省力省时。但这些搅拌机都局限于容量小，功率小的特征。在加工粘稠度较大的食品，比如肉馅，豆沙等，这些小功率搅拌机则不能正常运转，所以需要功率大的搅拌机。国内的搅拌技术已比较先进，也比较成熟，但是在搅拌过程中时常会出现搅拌不够均匀，导致生产效率不高，这便不适合我国食品工业的成长和发展需求。所以设计一款能够解决这些问题的搅拌机结构显得尤为重要。本设计旨在设计大容量，大功率且搅拌均匀度高的卧式搅拌机。1.2卧式搅拌机的特点和发展趋势卧式食品搅拌机内部搅拌叶片有旋转式和双螺带式两种。前者是成一定角度的桨叶将物料沿着轴向推