组合机床液压控制系统设计

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1、【摘要】液压控制系统在组合机床中有着重要作用，对液压控制系统的设计也是进行组合机床设计的重要组成部分。做好对液压控制系统的设计，有利于提升组合机床的总体性能，并使液压动力元件有效可靠的运行。液压系统设计是整个机械设计的一部分，它的任务是根据机器的用途、特点和要求、利用液压传动的基本原理，拟定出合理的液压系统图，在经过必要的计算来确定液压系统的参数，然后按照这些参数来选用液压元件的规格和进行系统的结构设计。本文以组合机床液压控制系统为研究对象，对组合机床驱动动力滑台液压控制系统的体系结构进行了研究，并以组合钻床驱动动力滑台的液压控制为切入点，对如何

2、使组合钻床驱动动力滑台实现液压控制进行了深入研究。本文对该组合钻床的液压控制系统的设计主要有以下几点内容:1.根据毕业设计任务书中的要求和已知条件对液压系统进行工况分析；2.由工况分析的结果经过必要的分析和更正，拟定液压系统原理图；3.对液压系统各参数进行计算并选择液压元件，再由液压系统原理图将所选择的液压元件组合成驱动动力滑台的液压控制系统；4.对液压系统进行分析和验算，确保该系统能够准确可靠地完成毕业设计任务书中要求的工作循环；5.绘制该组合机床液压控制系统的正式工作图并编辑相关技术文件。 【关键词】：液压传动、液压泵、液压缸、压力、流向、流

3、量、速度、方向控制阀、系统回路、有效工作压力、有效工作流量。第23页共23页目录引言·································································31组合机床液压系统的工况分析·································41.1负载分析························································41.2运动分析·················································

4、·······62液压系统主要参数的确定·····································73确定液压系统方案和拟定液压系统原理图··················93.1确定液压系统方案················································93.2确定基本回路····················································103.3将液压回路综合成液压系统········································12

5、4选择液压元件···················································13第23页共23页4.1液压泵··························································134.2阀类元件及辅助元件··············································144.3油管····························································154.4油箱··········

6、··················································164.5密封件的选择····················································161验算液压系统性能··············································175.1验算系统压力损失·················································175.2验算油液温升·································

7、····················192绘制液压系统相关图纸·········································193参考文献·························································204设计总结························································205致谢第23页共23页······························································

8、·21第23页共23页【引言】 组合机床是由通用部件和部分专用部件组成的高效率专用机床。它能完成钻、扩、铰、铣和工件的转位、定位、夹紧、