优秀本科毕业设计(论文)
螺旋式连续榨汁机的设计
摘 要:螺旋式连续榨汁机是采用压缩体积的方式使果料的固体与液体成分分离,榨取汁液。
本文的螺旋连续榨汁机介绍了以压缩体积为基础的榨汁机的设计要点、工作原理和设备组成。设计通过研究榨汁机的变径、断续、变螺距螺杆,使果料得到充分压榨,从而达到提高出汁率的目的。也更能提高工厂生产率,降低成本,提高效益。
关键词:螺旋连续榨汁机;分离;压榨;出汁率;
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优秀本科毕业设计(论文)
The Design Of The Spiral Continuous Juicer
Abstract: The spiral continuous juicer isolates the solid and liquid components from the fruit, and then
squeezes the juice by the method of compressing volume. This paper mainly introduces the design features, works and equipment of the Juicer, which is based on compressing volume. By researching the Variable diameter, intermittent, variable pitch screw of the juicer, the design can help the fruit to be fully squeezed, and then the goal that improving the juice yield will be achieved. It also helps to improve plant productivity, reduce costs and improve efficiency.
Key words: spiral continuous Juicer;separate;press;juice yield
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优秀本科毕业设计(论文)
目 录
摘要 .................................................................... 2 关键词 .................................................................. 2 1 前言 ................................................................. 2 2 研究现状 ............................................................. 1 3 作用原理 ............................................................. 2 4 影响出汁率的因素 ..................................................... 2 5 总体方案设计 ......................................................... 2
5.1 整体布局设计 .................................................... 2 5.2 工作原理 ........................................................ 3 5.3 螺杆部设计 ...................................................... 3 5.4 螺杆螺旋直径和螺距的设计 ........................................ 4
5.4.1 螺杆转速的确定 ............................................ 4 5.4.2 螺距的确定 ................................................ 4 5.5 功率计算 ........................................................ 5 6 选择电动机 ........................................................... 7
6.1 选择电动机功率 .................................................. 7 6.2 确定电动机转速 .................................................. 7 7 计算总传动比和分配传动比 ............................................. 8 8 计算传动装置的运动和动力参数 ......................................... 8
8.1 各轴转速 ........................................................ 8 8.2 各轴的输入功率 .................................................. 9 8.3 各轴转矩 ........................................................ 9 9 设计V带 ........................................................... 10
9.1确定计算功率
Pca ................................................. 10
9.2 选择V带的型号 ................................................. 10 9.3 确定带轮基准直径D1和D2 ....................................... 10
9.3.1 初选主动轮的基准直径D1 .................................... 10
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优秀本科毕业设计(论文)
9.3.2 验算带的速度V ............................................ 10 9.3.3 计算从动轮直径D2 ........................................ 10 9.4 确定传动的中心距a和带长Ld .................................... 10 9.5 验算主动轮的包角a1 ............................................. 11 9.6 确定V带的根数Z ............................................... 11 9.7 确定带的初拉力F0 .............................................. 12 9.8 求带传动作用在轴上的压力Q ..................................... 12 9.9 V带设计计算 ................................................... 12 10 带轮的设计 ......................................................... 13
10.1 材料 .......................................................... 13 10.2 带轮的形式 .................................................... 13 10.3 带轮尺寸设计计算 .............................................. 13 11 联轴器的选用 ....................................................... 15 12 螺旋轴的设计 ....................................................... 16
12.1 材料的选取 .................................................... 16 12.2 拟订轴上零件的装配方案 ........................................ 16 12.3 初步确定轴的最小直径 .......................................... 16 12.4 根据轴上定位的要求确定轴的各段直径和长度 ...................... 17 12.5 轴上零件的周向定位 ............................................ 17 12.6 定圆角半径值 .................................................. 17 12.7 按弯扭合成条件校核轴的强度 .................................... 17
12.7.1 轴的计算 ................................................ 17 12.7.2 求轴上所受作用力的大小 .................................. 19 12.7.3 轴垂直面内所受支反力 .................................... 19 12.7.4 作弯矩图 ................................................ 19 12.7.5 作扭矩图 ................................................ 19 12.7.6 作当量弯矩图 ............................................ 19 12.8 校核轴的强度 .................................................. 19
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优秀本科毕业设计(论文)
13 筛筒部设计 ......................................................... 19 14 轴承端盖的设计 ..................................................... 20
14.1 材料 .......................................................... 20 14.2 凸缘式轴承端盖各尺寸计算 ...................................... 20 15 总结 ............................................................... 21 参考文献 ............................................................... 22 致 谢 ............................................................... 22
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