巧克力糖包装机说明书.doc

目 录 一、设计任务书······················································1 二、巧克力糖包装机的工艺确定 ·······································2 1.产品特征 ·······························································2 2.包装材料 ·······························································2 3.工艺方案 ·······························································2 三、巧克力糖包装机的总体布局········································3 1. 机型选择 ······························································3 2. 执行机构和工作原理 ····················································3 四、巧克力糖包装机的传动系统········································4 五、巧克力糖包装机的工作循环图······································4 1.分析各执行机构的运动循环图 ··············································5 2.各执行机构运动循环的时间同步化设计 ·····································6 3.绘制粒状巧克力自动包装机的工作循环图 ····································7 六、巧克力糖包装机的凸轮设计·······································8 1.偏心凸轮设计 ·························································7 2.糖纸平面凸轮设计 ······················································7 七、巧克力糖包装机的齿轮设计········································8 八、粒状巧克力糖包装机的槽轮设计····································9 九、巧克力成型槽设计 ···············································10 十、巧克力糖包装机裁纸刀设计········································10 十一、设计体会······················································11 一.设计任务书 1. 设计题目 设计巧克力糖自动包装机。包装对象为圆台状巧克力糖，包装材料为厚0.1mm的金色铝箔纸。包装后外形应美观挺拔，铝箔纸无明显损伤、撕裂和褶皱。包装工艺方案为：纸坯型式采用卷筒纸，纸片水平放置，间歇剪切式供纸。包装工艺动作为： 1.将铝箔纸覆盖在巧克力糖小端正上方； 2.使铝箔纸沿糖块锥面强迫成形； 3.将余下的铝箔纸分半，先后向大端面上褶去，迫使包装纸紧贴巧克力糖。 2.原始数据及设计要求 1.铝箔纸尺寸为64mm*64mm。 2.巧克力糖小端直径17mm,大端直径24mm,,高12mm。 3.生产率为60块/min。 4.锥面成型机构不论采用平面连杆机构，凸轮机构或者其他常用机构，要求成形工作尽量等速，启动与停顿时冲击小。 5.电动机转速为960/min. 3.设计方案提示 1.剪纸与供纸动作连续完成。 2.铝箔纸锥面成形机构一般可采用凸轮机构，平面连杆机构等。 3.实现折纸动作的机构有多种选择，包括凸轮机构、摩擦滚轮机构等。 4.巧克力糖果的送推料机构可采用平面连杆机构或凸轮机构。 4.设计任务 1.执行机构选型与设计：构思出至少3钟运动方案，并在说明书中画出运动方案草图，经过所有运动方案警醒分析评价后，选择其中的最优方案进行详细的设计。 2.机构运动协调设计:对选择的方案画出机构运动循环图。 3.传动系统的设计。 4.对系统运动方案进行机构的尺寸综合。 5.用UG软件对机构系统进行运动仿真。 6.用UG软件对机构系统进行运动学分析，并画出输出机构的位移、速度和加速度线图。 7.