2944 剪板機結構設計,板機,結構設計 黑龍江工程學院本科生畢業(yè)設計目 錄要摘…………………………..……………………………………………………ⅠABSTRACT……..…………………………………………………………………Ⅱ第 1 章緒論 .................................................................................................................................11.1 剪板機分類 ......................................................................................................11.2 剪板機工作原理 ..............................................................................................2第 2 章選擇方案對比 .........................................................................................................42.1 液壓傳動方案 ..................................................................................................42.2 機械傳動方案 ..................................................................................................42.2.1 凸輪機構方案 ...........................................................................................52..2.2 曲柄滑塊機構方案. .................................................................................52.3 剪板機結構設計描述 ......................................................................................52.4 本章小結 ..........................................................................................................9第 3 章總體傳動方案 ..........................................................................................................103.1 電動機的選擇 ................................................................................................103.1.1 電動機類型結構形式的選擇 .................................................................103.1.2 電動機功率的選擇 ................................................................................103.1.3 計算傳動裝置運動和動力參數(shù) ...........................................................123.2 本章小結 .........................................................................................................12第 4 章帶傳動的設計及計算 ..............................................................................144.1 確定計算功率 ................................................................................................144.1 選擇帶型 .........................................................................................................144.3 確定小帶輪的基準直徑 .................................................................................144.3.1 初選小帶輪的基準直徑 ........................................................................144.3.2 計算帶的速度 ........................................................................................144.3.3 計算從動輪的基準直徑 .......................................................................154.4 確定中心距 a 和帶輪的基準長度 .................................................................15黑龍江工程學院本科畢業(yè)設計 4.5 驗算主動輪上的包角 .....................................................................................164.6 確定帶的根數(shù) .................................................................................................164.7 確定帶的預緊力 .............................................................................................164.8 計算帶傳動作用在軸上的壓軸力 .................................................................174.9 帶輪結構的設計 .............................................................................................174.9.1 小帶輪的結構設計 .................................................................................174.9.2 大帶輪的結構設計 .................................................................................195.0 本章小結 .........................................................................................................20第 5章軸的設計 .....................................................................................................215.1 主動軸設計 ....................................................................................................215.1.1 軸的材料 .................................................................................................215.1.2 軸頸的最小許用值 ..................................................................................215.1.3 確定軸上的零件的裝配方案 ..................................................................225.1.4 軸上零件定位 ..........................................................................................225.1.5 軸各段直徑和長度的確定 ......................................................................225.1.6 繪制主軸上零件的裝配圖及軸的結構圖 ..............................................225.1.7 軸的強度校核計算 ..................................................................................225.2 從動軸的設計 ..................................................................................................225.2.1 材料選擇 ..................................................................................................225.2.2 軸頸的最小許用值 ..................................................................................225.2.3 確定軸上零件的裝配方案 ......................................................................225.2.4 繪制從動軸上零件的裝配圖的結構圖 ..................................................225.2.5 軸的強度校核 ..........................................................................................225.3 本章小結 .........................................................................................................25第 6章齒輪設計 .....................................................................................................266.1 選定齒輪類型、精度等級、材料及齒數(shù) .....................................................266.1.1 齒輪類型的選擇 ......................................................................................266.1.2 齒輪材料的選擇 ......................................................................................266.1.3 選取精度等級 ..........................................................................................266.1.4 選擇齒數(shù) ..................................................................................................266.2 按齒面接觸強度設計 ......................................................................................266.2.1 確定公式內容計算數(shù)值 ..........................................................................26黑龍江工程學院本科畢業(yè)設計 6.2.2 計算 ..........................................................................................................276.3 按齒根彎曲強度設計 ......................................................................................286.3.1 確定公式內容計算數(shù)值 ..........................................................................296.3.2 設計計算 ..................................................................................................296.4 幾何尺寸計算 .................................................................................................306.4.1 計算分度圓直徑 ......................................................................................306.4.2 計算中心距 ..............................................................................................306.4.3 計算齒輪寬度 ..........................................................................................306.5 驗算 .................................................................................................................306.6 結構設計及繪制齒輪零件圖 .........................................................................316.6.1 對小齒輪的結構設計 ..............................................................................316.6.2 對大齒輪的機構設計 ..............................................................................316.7 本章小結 .........................................................................................................33第 7章曲柄滑塊機構設計 ..................................................................................347.1 材料的選擇 ......................................................................................................347.2 確定曲柄滑塊機構桿件長度 .........................................................................347.3 結構設計 .........................................................................................................357.4 強度校核 .........................................................................................................357.5 電動機校核 .....................................................................................................367.6 建立曲柄滑塊機構的數(shù)學模型 .....................................................................367.6.1 建立位移方程 ..........................................................................................377.6.2 建立速度方程 ..........................................................................................377.6.3 建立加速度方程 ......................................................................................377.7 本章小結 .........................................................................................................38結論 ..........................................................................................................39參考文獻 ..................................................................................................40致謝 ............................................................................................................................41