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1、沈阳工程学院毕业设计(论文)I摘要摘要随着工业技术的不断发展,液压和气压传动的范围也越来越广范,而作为 液压和气压传动系统心脏的液压泵和气压泵就显得更加重要了。在容积式气压 泵中,只有柱塞泵是实现高压化高速化大流量的一种最理想的结构,轴向 柱塞泵结构紧凑,径向尺寸小,故传动效率高;另外,轴向柱塞泵易于变量, 能用多种方式调节流量,流量大。由于上述特点,轴向柱塞泵被广泛用于工程 机械、起重运输、冶金、船舶等多种领域。航空上,普遍用于飞机液压系统、 操纵系统及航空发动机燃油系统中。手摇式柱塞泵由于结构紧凑、使用方便、 便于携带,被广泛用于工业和人民生活的多个领域。 文中通过对给定的压强条件的分析,
2、设计了一款手摇式柱塞泵。本柱塞泵 设计为双泵体、双出入口的形式,可以完成连续运动,此次设计包括把、柱塞、 柱塞缸、阀体及联板的结构设计及计算、把、柱塞、柱塞缸、阀体及联板的机 械加工工艺规程设计、CAD 零件图和装配图及三维造型设计等。 运用所学的机械设计知识,通过对柱塞缸的强度计算、柱塞的截面应力分 析、螺栓的剪切引力计算及手摇泵自由度分析等多种理论力学和材料力学的计 算及分析,设计了手摇泵的总体装配结构。在满足强度条件的基础上,完成了 最终的装配结构设计和各零件的结构设计。 运用所学的机械制造知识,对手摇式柱塞泵的所有的非标准件进行了机械 加工工艺规程的设计。并运用 Pro/E 软件实现了
3、三维数字化造型设计。关键词关键词 手摇泵,设计,制造,Pro/E手摇泵的设计与制造IIAbstractWith the continuous development of industrial technology, the range of hydraulic and pneumatic transmission is more and more widely, and as the hydraulic and pneumatic transmission system of heart of hydraulic pump and pneumatic pumpbecomes more and
4、 more important. The volume of air pressure pump, only theplunger pump is an ideal structure of high pressure, high speed, large flow axial plunger pump, the structure is compact, small radial dimension, so the transmission efficiency is high; in addition, the variable axial piston pump is easy,can
5、adjust the flow in a variety of ways, large flow. Because of the above characteristics, axial piston pump is widely used in engineering machinery, lifting transport, metallurgy, shipbuilding and other fields. Widely used in aviation,aircraft hydraulic system, control system and fuel system of aviati
6、on engine. The hand-operated plunger pump because of the advantages of compact structure,convenient use, easy to carry, is widely used in many fields of industry and peoples life.Through the analysis on the pressure conditions given in this paper, designed ahand plunger pump. The plunger pump is des
7、igned for dual pump, doubleentrance form, can be completed in continuous motion, including the design ofmachining process planning design calculation, structure design, non-standard pieces of the design, three-dimensional modeling design etc.Learn to use the knowledge of mechanical design, part of t
8、he strength calculation, stress analysis, calculation and Analysis on degree of freedomanalysis and other theoretical mechanics and material mechanics, design the overall structure of the manual pump assembly. Based on satisfying the strengthconditions, completed the structural design assembly struc
9、ture design final andall parts of the.Learn to use the knowledge of machinery manufacturing, rival rocking plunger pump all non standard parts for the design of mechanical machining. And realize the 3D digital design using Pro/E software.Key Words Hand pump,design,Manufacture,Pro/E沈阳工程学院毕业设计(论文)III目
10、录目录摘要摘要.I AbstractAbstract.II 1 1 绪论绪论.1 1.1 手动泵概述 .1 1.2 我国轴向柱塞泵的发展现状与国外差距 .1 1.3 手动泵的使用范围 .2 2 2 手摇泵的总体设计手摇泵的总体设计.3 2.1 手动泵的工作原理 .3 2.2 设计计算 .3 2.2.1 手柄的计算.3 2.2.2 螺栓的计算.4 2.2.3 泵体的强度计算.7 2.2.4 柱塞的截面应力.8 2.2.5 自由度的计算.11 2.2.6 柱塞行程的计算.11 3 3 工艺规程工艺规程.13 3.1 柱塞的作用 .13 3.1.1 柱塞的设计.13 3.1.2 技术要求.14 3.
11、1.3 柱塞的工艺分析.15 3.1.4 柱塞工艺规程设计.15 3.2 柱塞缸的设计 .19 3.2.1 柱塞缸的要求.19 3.2.2 柱塞缸工艺规程设计.19 3.3 支撑杆的设计 .23 3.4 联板的设计 .25 3.5 耳片及垫片的加工工艺 .26 3.5.1 冲压件工艺分析.28 3.5.2 工艺方案及模具结构类型.29 3.5.3 主要设计计算.29 3.5.4 总冲压力计算.30 3.6 弹簧座的设计 .30 3.6.1 零件的毛坯.30 3.6.2 加工余量与公差的确定.30 3.7 阀体的模锻工艺设计 .34 3.7.1 模锻的结构工艺性.34 3.7.2 压力机上的锻模.35 3.7.3 分模面的确定.36