届毕业设计家用食品粉碎机毕业设计说明书学生姓名学号所属学院专业班级指导教师日期前言食品粉碎是指在机械外力作用下将固体原料压缩、剪切、摩擦等使固体粉碎, 粒径变小的操作。随着食品工业的发展,人们对食品的要求愈来愈高, 不仅注重食品的营养成份, 同时更注重食品中营养成分的功效大小、人们对其吸收的程度、以及食品的口感、摄人的方便程度等, 而对一些具有特殊功效的食品和广泛食用的食品进行微粒化处理, 可使其比表面积成倍的增加, 提高其活性、吸收率, 并使食品的表面电荷、粘着力发生奇妙变化。从而使消化吸收性提高;入口时滑爽, 口中迅速溶解, 助长美味; 在混合操作中, 混合产品均一; 保证了乳化、分散状态稳定。因此在食品制造上粉碎机得到了广泛的运用。总的说来, 我认为粉碎技术在食品加工的重要意义有两条, 一是提高食品的口感且有利于营养物质的吸收, 二是原来不能充分吸收或利用的原料被重新利用, 配制和深加工成各种功能食品, 开发新食品材料, 增加新食品品种, 提高了资源利用率。对于一般家庭来说,结构精密、体积小、重量轻、功效高、无粉尘、清洁卫生、操作简单、造型美观、既省电又安全才是家庭最理想的粉碎机。随着科技的发展, 各式各样符合人们要求的粉碎机出现了, 而且有着相当大的市场, 这里仅对一种粉碎机设计做课题讨论研究。家用食品粉碎机设计是将洗干净的食物像黄豆、绿豆、花生、莲子、玉米、高粱、大麦等进行粉碎处理, 这种机械就是食品粉碎机, 其工作原理是: 将少量食物通过入料口放入机器中, 利用钉齿凸板和钉齿滚筒的间隙配合,对食物进行挤压,使之粉碎,然后通过出料口排出,达到粉碎食物的目的。目录 1绪论············································································································ 1 家用食品粉碎机的设计背景······································································ 1 我国关于粉碎机技术的发展现状································································ 1 国外粉碎机技术发展现状········································································· 2 粉碎机的技术发展动向············································································ 2 微粉碎机···························································································· 2 气流式超细粉碎机··············································································· 2 搅拌球(棒)磨式超细粉碎机································································ 2 冲击式超细粉碎机··············································································· 3 .5 超低温粉碎机······················································································ 3 2 家用食品粉碎机总体结构设计······································································ 3 入料部分······························································································· 4 粉碎部分······························································································· 4 出料部分·····································
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