机械课程设计干粉压片机说明书.doc

机械原理课程设计题目:干粉压片机学院: 机电工程学院专业年级:10 级机械工程及自动化学号: 姓名: 指导教师: 目录第一章设计题目——干粉压片机···············1 第一节工作原理及工艺动作过程··············1 一其工艺动作的分解·························1 二设计原始数据及设计要求···················1 第三节功能元求解··························2 第四节形态学矩阵···························2 第二章执行机构的设计与计算·················2 第一节主要执行构件的设计方案···············2 一上冲头运动································2 二送料机构··································4 三下冲头运动································4 第二节机械运动方案的选择和评定·············5 一构件方案组合设计··························5 二方案评定··································7 三干粉压片机运动循环图······················7 第三节执行机构的尺寸计算···················8 一上冲头机构设计····························8 二下冲头凸轮的设计··························9 (一) 凸轮基圆的确定····························9 (二) 滚子半径的确定····························9 (三)从动件的运动规律·························10 (四)从动件位移线图及凸轮轮廓线···············10 (五)下冲头凸轮轮廓的确定·····················10 三料筛凸轮轮廓的确定······················ 11 第四节运动简图及运动线图················· 12 一运动简图································ 12 二运动线图································ 13 (一)用解析法对上冲头进行分析················13 (二)C语言编程·························· 13 第三章传动系统的设计与计算················17 第一节带式输送机传动系统方案············· 18 第二节电动机的选择························ 18 一计算功率································ 18 二确定传动装置的效率······················ 18 三选择电动机····························· 19 四分配传动比····························· 20 五计算各轴的运动参数和动力参数··········· 20 (一)各轴转速································20 (二)各轴功率································21 (三)各轴转矩································21 (四)列出各轴的运动参数和动力参数··················21 第三节传动零件的设计计算··········· 21 一带传动的设计················ 21 (一)确定计算功率 P ca··············21 (二)选择 V带的带型·············22 (三)确定带轮的基准直径 dd 并验算带速 v······························································22 (四) 确定 v 带的中心距 a 和基准长度 dL ·······························································22 (五)验算小带轮上的包角 1?········22 (六)计算带的根数················23 (七) 计算单根 V 带的初拉力的最小值( 0F )min ·······················································23 第四节传动