制育秧钵机的改进设计

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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····································3

2、1.3制育秧钵机的基本设计要求··········································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·····

3、·················································7第三章41工作机构的设计···················································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

4、环图·································123.4方案确定·························································133.4.1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···························

5、··························154.1.1电动机的功率确定············································154.1.2选择电动机··················································16414.2确定各传动机构的传动比··········································174.3计算各轴的转速和功率···································

6、··········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·····································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···············

7、························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··········································34415.8主要零件的强度校核················································

8、·3641制育秧钵机的改进设计【摘要】老式制育秧钵机由蜂窝煤成型机改进得来，体积庞大，结构复杂，成本高，效率低。本设计从老式制育秧钵机出发，在传动系统和执行机构上都做了很大的改进。本机每小时能生产3000个钵体，可广泛应用于玉米、蔬菜、瓜果等秧苗的制钵。该机采用单相电动机做动力源，可在广大的农村使用，不用担心需要较高的动力电压的问题。文中较详细的设计了制育秧钵机的传动系统和执行机构，对各个零件做了具