毕业设计-液压折弯机设计.doc

黑龙江工程学院本科生毕业设计 黑龙江工程学院本科生毕业设计 PAGE II PAGE I 黑龙江工程学院本科生毕业设计 PAGE XXVIII 1 摘 要 折弯机属于锻压机械中的一种，主要作用就是金属加工行业。产品广泛适用于：轻工、航空、船舶、电器、不锈钢制品、钢结构建筑及装潢行业。 液压传动系统采用压力补偿型柱塞泵供油，回油节流调速，能量利用合理，立式液压缸设有平衡和锁紧措施，工作安全可靠；同时以液压缸作为执行元件，夹紧力大，折弯动力也大，系统进行折弯时工作性能好。 本次设计主要是通过液压系统的设计对液压传动有了更清楚的认识，对液压系统的组成，液压系统的各部零件的作用有了具体深入的子解。在设计过程中，力求结构紧凑，布局合理，制造简单。 关键字：液压；缸筒；活塞杆；导轨；滚珠丝杆 Abstract The folding machine belongs to a kind of forging Machinery.lt is a major role in the metal processing industry. Products are widely applied to: light industry, aviation, shipping, metallurgy, instruments, electrical appliances, and stainless steel products, steel structure construction and decoration industries. Hydraulic system uses piston pump of pressure compensation to supply oil, the oil return throttle control, rational use of energy. Vertical hydraulic cylinder uses balance and locking measures, so it works safely and reliability. At the same time hydraulic cylinders as the implementation of components haves great clamping force and shear force. When system shear plats material, its performance is good.. This design is mainly through hydraulic system design of hydraulic drive more clear understanding of the hydraulic system, composed of hydraulic systems, and each of the parts have concrete deep understanding. In the design process, it achieves structure compact and layout rational and manufacture simple. Key words: hydraulic；cylinder；The piston rod；guide；The ball screw 目 录 TOC \o 1-3 \h \u 7519 摘要 Ⅰ 17078 Abstract Ⅱ 27787 第1章 绪论 1 17375 1.1 课题背景 1 1944 1.1.1 折弯机简介 1 18114 1.1.2 设计内容简介 2 29679 1.2 液压传动的基本知识 2 20309 1.2.1 液压系统的组成 2 27536 1.2.2 液压传动的概念 3 17931 1.2.3 液压系统的优点 4 14789 第2章 液压系统设计 5 25351 2.1机器的电气部分 6 28705 2.2电器箱上的电器元件功能 6 11169 第3章 系统元件设计 7 62