【正文】 shaft and model selection, model selection bend conveyor, roller conveyor into a model of choice and pieces of product to determine the distance between rollers, drive the motor, coupling and reducer calculation and model selection, while an integrated production line characteristics, in order to reduce manpower, reduce product counting error, designed a microcontroller core with AT89S51 automatic counter products, including the choice of optical sensors, detection circuit design, microprocessorcontrolled digital display circuit design and to the entire circuit power supply circuit design, overall design structure is simple, pact, easy to understand and easy to control circuitry and maintenance. Keywords assembly line belt conveyor SCM automatic counting I 目 錄 1 緒論 ............................................................................................................................................. 1 背景簡介 ............................................................................................................................... 1 設(shè)計方案綜述 ....................................................................................................................... 1 2 皮帶運輸機設(shè)計 ......................................................................................................................... 2 概述 .................................................................................................................................... 2 帶式輸送機的簡介 ..................................................................................................... 2 整機的配置選擇 ......................................................................................................... 3 部件選擇 ............................................................................................................................ 4 輸送帶 ......................................................................................................................... 4 驅(qū)動裝置 ..................................................................................................................... 4 傳動滾筒 ..................................................................................................................... 5 改向滾筒 ..................................................................................................................... 6 托輥 ............................................................................................................................. 6 拉緊裝置 ..................................................................................................................... 8 設(shè)計計算 ............................................................................................................................ 9 輸送能力 ..................................................................................................................... 9 圓周驅(qū)動力和傳動滾筒軸功率 ............................................................................... 10 輸送帶張力 ............................................................................................................... 10 電動機選擇 ............................................................................................................... 12 減速器的選擇 ........................................................................................................... 13 3 自動控制設(shè)計 ........................................................................................................................... 15 主要元件選擇與簡介 ...................................................................................................... 15 單片機 ....................................................................................................................... 15 光電傳感器 ............................................................................................................... 20 數(shù)碼管 ....................................................................................................................... 22 系統(tǒng)設(shè)計 .......................................................................................................................... 24 控制系統(tǒng)組成及工作原理 ....................................................................................... 24 電源電路 ................................................................................................................... 25 檢測電路 ................................................................................................................... 26 顯示電路 ................................................................................................................... 26 系統(tǒng)流程圖 ............................................................................................................... 27 4 輔助設(shè)備的設(shè)計 ....................................................................................................................... 29 驅(qū)動頭架的尺寸確定 ........................................................................................................ 29 II 拉緊尾架的尺寸確定 ........................................................................................................ 29 中間架的尺寸確定 ............................................................................................................ 29 傳料板的尺寸確定 ............................................................................................................ 29 結(jié)論 ............................................................................................................................................... 30 致謝 ............................................................................................................................................... 31 參考文獻 ....................................................................................................................................... 32 附錄 ..................................................................