【正文】 ................................................3 研究意義 ............................................................................................................42 組合農(nóng)用機的總體設計 .............................................................................................5 確定新型多功能組合農(nóng)用機的功能 ............................................................................5 玉米脫粒功能 .....................................................................................................5 切片功能 ............................................................................................................6 切絲功能 ............................................................................................................6 切碎功能 ............................................................................................................6 碾米功能 ............................................................................................................6 磨粉功能 ............................................................................................................7 磨漿功能 ............................................................................................................7 磨碎功能 ............................................................................................................7 刃磨刀具功能 .....................................................................................................7 抽水功能 ..........................................................................................................7 將各功能進行組合 .....................................................................................................7 確定總體布局及傳動方案 ..........................................................................................83 玉米脫粒機的設計 ...................................................................................................10 玉米脫粒機的總體結構 ............................................................................................10 入料部分 ..........................................................................................................10 脫粒部分 ..........................................................................................................10 篩選部分 ..........................................................................................................10 機架部分 ..........................................................................................................11 關鍵參數(shù)的確定 ......................................................................................................11 釘齒條的受力 ...................................................................................................11 釘齒的轉速 ......................................................................................................11 釘齒滾筒的功率 ...............................................................................................12 釘齒滾筒的設計 ......................................................................................................12 釘齒滾筒總體結構的設計 .................................................................................12 釘齒條的設計 ...................................................................................................12 釘齒的設計 ......................................................................................................13 圓盤的設計 ......................................................................................................14 柵格式凹板的設計 ...................................................................................................14 傳動軸的設計 ..........................................................................................................15 確定軸的最小直徑 ............................................................................................15 確定軸的各段直徑和長度 .................................................................................17 求出軸上載荷 ...................................................................................................17 校核軸的強度 ...................................................................................................20 入料口及脫粒機上蓋的設計 .....................................................................................21 機架的設計 .............................................................................................................21 軸承座的設計 ..........................................................................................................22 標準件的選取 ..........................................................................................................224 多功能切碎機的設計 ...............................................................................................23 多功能切碎機的設計要求 ........................................................................................23 多功能切碎機的工作原理 .................................................................................23 多功能切碎機的特點 ........................................................................................23 多功能切碎機的總體結構 ........................................................................................23 主要機構的設計 ......................................................................................................24 切碎機構的設計 ...............................................................................................24 傳動軸的設計 ...................................................................................................25 機殼的設計 ......................................................................................................25 切厚調節(jié)器的設計 ............................................................................................26 動刀、定刀的刃磨與安裝調整 .................................................................................275 碾米機的設計 ...........................................................................................................28 碾米四要素 .............................................................................................................28 碰撞 ..........................