目录 摘要…………………………………………………………………1 第一章绪论……………………………………………......3 1.1打包机的背景...........................................3 1.2国内外发展状况.........................................3 1.2.1国外的发展状况.......................................4 1.2.2国内发的展状况.......................................4 1.3本课题的设计任务………………………......................................…5 第二章整体方案的设计…............……..............................5 2.1设计思路...............................................5 2.2方案的选择.............................................5 2.2.1箱体的选择...........................................5 2.2.2传动方案的选择.......................................5 2.2.3电机数目的选择.......................................5 2.3机械系统的设计.........................................6 2.3.1进退带机构...........................................6 2.3.2夹压剪切机构.........................................6 第三章结构尺寸设计和校核................6 3.1整体设计……….................................................................................6 3.2捆扎机架的设计…………….………………………………............6 3.2.1机架的选材…………………………………..................................6 3.2.2设计机构的机架……………………………......................…........7 3.3凸轮分配箱箱体的设计………………….………….........................7 3.3.1箱体的选材…………………………………… .............................7 3.3.2设计机构的箱体……………..............………………………........7 3.4电动机的选择…………………….….......……………………..........7 3.5滚动轴承的选择和校核……..…………………………....................8 3.5.1滚动轴承的选择………………………………………................ .8 3.5.2寿命分析……………………..........................................................8 3.5.3轴承的配置和定位……………………………… .........................8 3.5.4滚动轴承的配合…………………………………………..............8 3.6摩擦轮的设计……………………………………………..................9 3.7键的选择和校核……………………………......................................9 3.8螺栓的选择及计算……………………………...................…….....10 3.9凸轮的设计和计算.…..……………………....................................11 3.10轴的设计和计算………………………………………..................14 3.11带传动的设计和计算......................................................................16 3.12捆扎带材料的选择………………………………………………..18 3.13捆扎形式的选择……................................................................…..18 3.14捆扎接头形式的选择......................................................................18 第四章设计总结……………………………………….18 致谢………………………………………………………………..20 参考文献………………………………………………………………21 摘要 纸箱打包机是一种新型机电一体化的包装机械。全过程能够实现半自动化，通过进退带机构和夹压剪切机构，实现对产品的包装。首先通过了解实际的使用情况选择出纸箱打包机的合适的总体尺寸，接着从功能出发，得知所需要的机构，并进行了合理的布局。然后就是选择纸箱打包机中的通用件和标准件，通过计算校核，符合所使用的条件。最后就是对于机器中需要的零部件进行设计计算。主要设计计算了凸轮分配箱和摩擦轮机构，以及里面的轴的设计和计算。纸箱打包机能够提高包装的效率，给现实生活提供了极大地帮助，节省了大量的人力和物力，极大的促进了了包装业的发展。 纸箱打包机的工作过程是，摩擦轮通过电机带动着转动，进而使包装带前进，人工把包装物放到打包台，手动将包装带送到焊接处，并且触动微动开关，这时机器开始运转，首先第一压头开始上升夹紧带，这时电机开始反转，对带进行收紧，当达到一定的要求后，第二压头开始上升，这样带的部分几乎固定了，然后第三压头再上升，对带进行加热，实现带的热熔融，压头进行压紧，最后由刀头进行剪断，整个过程完成，用人工把箱子搬运走。 里面涉及了众多零部件的选择和校核。首先对机架提出了要求，然后依次选择了电机和箱体，最重要的对于各个轴的校核。轴承的选择，包括步进电机的选择都是经过步步的计算的出来的。捆扎带的选择直接影响了整个的过程的设计，确定了大体的结构。 里面涉及的主要包含箱体的选择，对于选择铸造的箱体的好处，有利于大批量的生产，但是生产的相对于焊接的箱体比较笨重，焊接箱体美观，强度高，但不太适合大批量的生产。综合各部件的不同的使用的条件，对不同的部件采用不同的方式。涉及了凸轮的设计的过程。 关键词:包装凸轮分配箱摩擦轮轴捆扎带 ABSTRACT Carto
n packi
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nd electrical i
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n realize the semi-automatic, through mecha
nism a
nd clampi
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n a belt, for the packi
ng of the products. First, by u
ndersta
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n packi
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nd the
n starti
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n choose carto
n packi
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n desig
n to calculate the distributio
n box a
nd frictio
n wheel mecha
nism, as well as the desig
n a
nd calculatio
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n packi
ng machi
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n improve the efficie
ncy of the packagi
ng, to the real life provides a great help, save a lot of ma
npower a
nd material resources, greatly promote the developme
nt of packagi
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ndustry. Is the worki
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n packi
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nd the
n make the packagi
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n select the motor a
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nvolved i
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nvolved i
n the process of the desig
n of the CAM. Keywords: packi
ng ；CAM distributio
n box frictio
n wheel ； shaft ；strappi
ng tape 第一章绪论 1.1打包机的背景 纸箱打包机是一种新型的打包设备。主要用于纸箱企业和纸类包装生产的企业。纸箱打包机适用于纸张打包、纸箱打包、军工产品打包、轻工业打包、五金工具打包、陶瓷制品打包、钢材打包、日化用品打包、文体用品打包、元器件打包、铝型材料打包等各种大小货物的打包捆扎。打包是包装的最后一道工序，一般是用绳、钢带、塑料带将单个或数个包装物进行捆紧扎牢以便于运输、保管和装卸的一种包装作业。捆扎机械的发展,在一定程度上借助于捆扎材料的开发应用。在捆扎材料中先后出现的有草绳、绵麻绳、纸绳、金属丝、塑料绳、塑料带、钢带、聚胺酯带等。但由于其本身的延伸率和轻度不同和适应程度对机械要求的各异,以及考虑经济效应，现在，塑料袋和钢带一直处于领先的。特别是自上世纪五十年代以来,随着石油化工的崛起，开始用塑料作为捆扎材料,为塑料带(绳)捆扎机械的开发成功奠定了基础。由于塑料带比钢带、纸带具有较低的使用成本和不锈蚀、不污染、强度适中手感柔软、制造方便、外观美观等优点,使之在许多领域逐步替代原来的钢带,纸带,塑料带捆扎机成为包装机械中少有的技术成熟、简单可靠、品种齐全、覆盖面广的主要设备。 目前，生产设备的更新水平超过了我国的设备的发展速度。虽然少数国内企业从国外引进了部分全自动打捆设备，凭借自身雄厚的资金，这样的方式要花费高额的专利费，并特别的经济，国内很多的企业依旧使用的半自动甚至是人工的方式进行打包。因此，根据包装行业在我国的发展形势，我们必须研究出高性能的机器，代替高额的进口费用，从而大大提高我国整个的包装的质量，从而节省大量的劳动力。