抽油杆外圆砂带磨床设计 大学论文.doc

重庆大学本科学生毕业设计（论文） 抽油杆外圆砂带磨床设计 Graduation Design(Thesis) of Chongqing University Design of Cylindrical Rod Sand Belt Grinding Machine 摘 要 现代工业中对于抽油杆这类细长杆件的外圆表面加工，若用传统的车削、铣削等加工方式甚至砂轮磨削，都会存在难装夹、同心度和直线度难以保证、效率低下、易烧伤等缺点。故本文对于这种情况选择使用了四磨削单元的无心外圆磨床来加工抽油杆外圆表面。砂带磨削的灵活性、适应性都是其他加工方式不可比拟的，它的效率高、成本低、精度得到保障。大大提高了抽油杆外圆表面加工的生产效率。 本文涉及的内容包括对抽油杆外圆表面的加工工艺的国内外发展现状，发展趋势、技术特点、应用范围以及无心外圆砂带磨削的基本原理，通过三维建模截图、公式计算、文字说明等方式重点分析了磨削抽油杆外圆表面各种加工方法的优劣，并根据分析选取合适的加工方法。详细计算了抽油杆外圆砂带磨床的各部件的相关参数及尺寸。对该磨床的关键零件进行强度校核计算。最后对整个毕业设计的过程做出总结同时表达了对未来的展望。 关键词：砂带磨削，抽油杆，无心外圆磨床，多磨削装置 BSTRACT Sucker rod this slender cylindrical of bar processing cannot use traditional processing approaches such as cars, milling, grinding unit for this case in this paper, choose to use the four centerless external cylindrical grinding machine for processing cylindrical rod surface. Abrasive belt grinding of flexibility, and adaptability are incomparable other processing way, its high efficiency, low cost, precision is guaranteed. Greatly improving the sucker rod cylindrical surface processing and production efficiency. This article in the centerless external cylindrical grinding aspects of professional knowledge, on the basis of design of machine tools in detail. Machine tools can be divided into the four grinding units, each grinding unit includes a grinding head, columns, guide the three institutions. Design was carried out respectively. The main content of the paper is as follows: to some of the key parts in detail, there is no to check all of the above design of parts, mainly because some parts if checking through, then other parts in the same condition or lower stress cases by checking inevitably. So only checking for some dangerous part and important parts, safety factor is to keep at least above 1.6. Key words：sucker rod，centreless grinding machine external，More than grinding device，abrasive belt grinding  目 录 中文摘要 Ⅰ ABSTRACT Ⅱ 1绪论 1 1.1引言