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目 录
摘要·······························································1
第一章 绪论······························································3
1.1 选题的来源·························································3
1.2 本课题在国内外的研究状况与展望····································3
1.3 制育秧钵机的基本设计要求··········································5
1.4 主要设计工作······················································5
第二章 改进型制育秧钵机的方案设计········································6
2.1 工艺方案分析······················································6
2.2 新方案的形成······················································7
第三章 工作机构的设计···················································10
3.1 工作机构的功能···················································10
3.2 对工作机构的要求·················································10
3.3 拟定机器的工作原理图和运动循环图·································12
3.4 方案确定·························································13
3.4.1 模孔转盘方案的讨论·······································13
第四章 传动机构的设计···················································15
4.1 电动机的选择·····················································15
4.1.1电动机的功率确定············································15
4.1.2选择电动机··················································16
4.2 确定各传动机构的传动比··········································17
4.3 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·····································20
5.1 模孔转盘的结构设计和尺寸计算····································20
5.2 转盘齿轮的结构设计和尺寸计算·····································20
5.3 曲柄(偏心轮)滑块(滑杆)机构的设计和尺寸计算···················21
5.4 锥齿轮的结构设计和尺寸计算·······································25
5.5 直齿圆柱齿轮的结构设计和尺寸计算·································29
5.6 带轮的结构设计和尺寸计算········································29
5.7 轴的结构设计和尺寸计算··········································34
5.8 主要零件的强度校核·················································36
第六章 设计总结·························································41
参考文献····························
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