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LZG-30单头螺杆干式真空泵的建模与仿真
摘要
本文的研究对象,螺杆型干式真空泵,吸入腔没有任何工作液,保证了空间用泵无污染;没有油蒸汽排放,保证清洁的外部环境。由于转子齿面之间有间隙,因而可以抽除含有灰尘或腐蚀性的有毒气体。本课题主要集中在以下几个方面:基本原理的干式螺杆真空泵,阴阳转子螺杆型线的研究,螺旋型面线是单边等螺距型线,演绎数学的计算,建立几何模型面型线方程推导,然后螺旋齿面方程推导。几何特征研究等。
设计完成后应用solidworks软件做运动仿真对真空泵转子做三维建模,并且模拟转子运动展示其工作过程.
关键词:干式螺杆真空泵 转子 型线 三维建模 运动仿真
Modeling?and?Simulation?of? LGZ-30?single?screw?dry?vacuum?pump
Abstract
The research object of this paper, Dry screw vacuum pump, The suction chamber with no working fluid, ensure the space is pumped from pollution; No oil vapor emissions, guarantee the clean of the external environment. Due to the gaps between the rotor tooth surface of Yin and Yang, thus it can be pumped in addition to containing dust, or corrosive, poisonous gases. The author studies mainly focus on the following aspects: the basic principles of dry screw vacuum pump. Yin and Yang screw type line of research. Screw type face line made bilateral symmetric circular arc line, deduce the mathematical expressions of meshing principle, establish geometric model face type line equation is deduced, and then screw tooth surface equation is deduced. Geometric characteristics research, etc.
After the design is completed using SolidWorks software to do motion simulation to do 3D modeling of vacuum pump rotor. And the simulation of rotor motion display their works.
Keywords: dry screw vacuum pump rotor type line Three-dimensional modeling
Motion simulation
目 录
绪 论1
1 螺杆型干式真空泵的概述2
1.1 课题背景及研究意义2
1.2 螺杆真空泵在国内外的研究现状与发展方向4
1.3 论文包括的主要内容5
1.4 论文的组织结构6
2 螺杆干式真空泵转子型线的研究7
2.1 常见转子型线比较7
2.2 单头等螺距矩形螺纹转子型线8
2.2.1转子型线要素8
2.2.2转子型线设计原则9
2.2.3转子螺旋齿面方程10
3 螺杆干式真空泵工作原理12
3.1 吸气过程12
3.2 压缩过程12
3.3 排气过程13
4 螺杆干式真空泵设计计算14
4.1螺杆基本尺寸14
4.2排气量16
4.2.1理论排气量16
4.2.2实际排气量17
4.3进排气孔口18
4.3.1轴向进气口18
4.3.2轴向排气口19
4.4极限真空度、功率及冷却水量19
4.5轴的强度计算20
4.6同步齿轮的设计计算20
4.6.1齿轮尺寸计算21
4.6.2齿轮强度校核21
5 单头螺杆干式真空泵的应用22
5.1 应用范围22
5.2 抽气原理与结构22
6 三维建模与运动仿真23
6.1 SolidWorks介绍23
6.2 转子三维建模24
6.3 转子运动仿真26
结 论27
参考文献28
致 谢29









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