制育秧钵机的改进设计_毕业设计

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1、目录摘要·······························································1第一章绪论······························································31.1选题的来源·························································31.2本课题在国内外的研究状况与展望····································31.3制育秧钵机的基本设计要求···················

2、·······················51.4主要设计工作······················································5第二章改进型制育秧钵机的方案设计········································62.1工艺方案分析······················································62.2新方案的形成······················································7第三章43工作机构的设计······

3、·············································103.1工作机构的功能···················································103.2对工作机构的要求·················································103.3拟定机器的工作原理图和运动循环图·································123.4方案确定·························································1

4、33.4.1模孔转盘方案的讨论·······································13第四章传动机构的设计···················································154.1电动机的选择·····················································154.1.1电动机的功率确定············································154.1.2选择电动机·······································

5、···········16434.2确定各传动机构的传动比··········································174.3计算各轴的转速和功率·············································18第五章主要零件的结构设计与强度校核·····································205.1模孔转盘的结构设计和尺寸计算····································205.2转盘齿轮的结构设计和尺寸计算······························

6、·······205.3曲柄（偏心轮）滑块（滑杆）机构的设计和尺寸计算···················215.4锥齿轮的结构设计和尺寸计算·······································255.5直齿圆柱齿轮的结构设计和尺寸计算·································295.6带轮的结构设计和尺寸计算········································295.7轴的结构设计和尺寸计算··········································34435.8主要零件

7、的强度校核·················································36第六章设计总结·························································41参考文献···························································42致谢························································434343制育秧