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摘要
本次设计题目是石油管螺纹保护帽旋压专用设备设计,在设计过程中,老师要求我们运用机电液的知识完成,设计的内容主要包括,旋压机床总体设计、尾顶的设计、旋压机构设计、液压控制系统设计、主传动系统的设计、电气系统及PLC的设计。
在机械结构中主要是主轴箱的传动设计,根据以给定的条件主轴转速来设计主传动系统能够。同时要考虑到制动和变速机构。主传动系统的主要参数包括公比的选择、传动副、级比指数、齿数的确定等等。
旋压进给机构的设计,旋压进给机构主要通过查冷冲压工艺手册确定旋压力,设计相应机构,选择液压缸,同时也要考虑到与机床相关部位的空间位置关系及自身的强度。
尾顶机构是通过计算旋压加工时零件的厚度、加工的形式、以及加工的条件来确定尾顶所需要的力量,同时选择相应的液压缸、弹簧等。
床身及底座主要考虑各个部位之间的联系,机床加工方向选用45度角向上加工主要是为了加强道轨的支撑刚度。
液压控制系统设计设计内容主要为明确设计要求,制定基本方案,绘制液压系统图,并且确定液压系统的主要参数,液压系统的主要参数包括载荷的组成和计算,液压缸的主要结构及安装尺寸,对其它液压控制元件辅助元件的选择
电气系统的设计即利用传感器接收信号,PLC对采集的信号进行分析计算并输出控制信号。PLC控制系统用西门子S7-200编写。
关键词:主轴箱、旋压、尾顶、传感器、PLC。
Abstract
Design topic whether petroleum pipeline whorl protect cap-like cover fasten and press special-purpose device design this time, in the course of designing, the teacher requires us to use the knowledge of the electromechanical liquid to finish, the content designed mainly includes, is it keep lathe overall design , design that tail carry , is it keep design , main design , electric system and design of PLC of transmission , design anization and control system of hydraulic pressure to fasten to fasten. Design transmission , main shaft of case mainly among mechanical structure, according to with give condition main shaft rotational speed definitely is it design mainly transmission can e. . Tail anization through is it is it press thickness of part when processing to fasten to calculate , form that process , and terms that process is it confirm strength that tail's carrying need e, choose corresponding hydraulic pressure jar , spring ,etc. at the same time . Lathe bed and base consider connection of each position mainly, machine tooling direction select for use 45 horn it processes to be for strengthen dishes of support rigidity of rail mainly upwards. Hydraulic pressure control system design content mainly for designing requirement of defining, draw the systematic picture of the hydraulic pressure , and confirm the main parameter of the hydraulic pressure sys