刘一扬,乔书杰.枕式包装机色标自动定位方法[J].包装工程,2017,38(11):159-164.
LIU Yi-yang,QIAO Shu-jie.Automatic Positioning Method for Pillow Packaging Machine Color Code[J].Packaging Engineering,2017,38(11):159-164. |
| 枕式包装机色标自动定位方法 |
| Automatic Positioning Method for Pillow Packaging Machine Color Code |
| 投稿时间：2016-12-21 修订日期：2017-06-10 |
| DOI： |
| 中文关键词: 色标定位 枕式包装机 PLC 控制系统 |
| 英文关键词: color code positioning pillow packaging machine PLC control system |
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| 中文摘要: |
| 目的 受色标印刷偏差、张紧力失衡、机械振动等因素影响，很难保证色标定位的准确性，为了提高枕式包装机色标定位精度，提出一种色标自动定位方法，并基于PLC设计相应控制系统。方法 通过分析包装机械运行规律，详细阐述色标补偿原理。利用色标、刀位检测信号判断横封和纵封是否同步，并计算偏差数值。以横封位置为基准，通过调整纵封电机的脉冲频率和脉冲个数进行定位补偿。同时基于PLC搭建枕式包装机的控制系统，并介绍控制系统的硬件结构和软件设计思想。最后进行实验研究。结果 切点位置均在色标点上，可以实现色标定位。结论 该控制系统和方法能够满足包装机械对定位精度的要求，提高了包装机械的包装精度、效率，降低了次品率。 |
| 英文摘要: |
| The work aims to propose a color code automatic positioning method to improve the positioning accuracy of pillow packaging machine color code as it is difficult to ensure the positioning accuracy of color code because of color code printing deviation, tension imbalance, mechanical vibration and other factors. The color code compensation principle was expounded in detail through the analysis on the operation law of packaging machinery. The synchronization between horizontal sealing and vertical sealing was estimated by color code and cutter spacing signals, and the deviation value was calculated. The positioning compensation was achieved by adjusting the pulse frequency and pulse number of vertical sealing motor with the horizontal sealing position as reference. At the same time, the control system of pillow packaging machine was designed based on PLC and the design philosophy of its hardware and software structures were introduced. Finally, the experimental study was carried out. The experimental results showed that tangent points on color code could realize color code positioning. The control system and method can meet the positioning accuracy required by packaging machinery and improve the packaging precision, efficiency and reduce defective rate of packaging machinery. |
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