基于机器视觉的易拉罐罐盖缺陷检测系统设计  

Design of A Can-lid Defect Detection System Based on Machine Vision

作　　者：王宇 陈飞[1] 孙雷雨 赵俊 WANG Yu;CHEN Fei;SUN Leiyu;ZHAO Jun(School of Electrical and Automation Engineering,Changshu Institute of Technology,Changshu 215500,China)

机构地区：[1]常熟理工学院电气与自动化工程学院,江苏常熟215500

出　　处：《常熟理工学院学报》2025年第2期61-66,共6页Journal of Changshu Institute of Technology

基　　金：常熟理工学院2023年度大学生创新创业训练计划项目“基于机器视觉的易拉罐罐盖缺陷检测分类系统设计”(XJDC2023192)。

摘　　要：易拉罐在饮料包装中被广泛应用,其罐盖在生产加工过程中可能会产生脏污、划痕、形变、拉环缺少等缺陷,为确保包装完好及食品安全,设计了一种基于机器视觉的易拉罐罐盖的缺陷检测系统.该检测系统硬件由机器视觉系统、传输分类系统两部分构成:选取合适的相机、镜头和光源等构建机器视觉成像系统实现高质量图像采集,选取合适的步进电机、步进驱动器、电缸、传感器等构建传输分类系统.运用LabVIEW、IMAQ VISION实现罐盖图像的采集与缺陷检测,运用LabVIEW和DAQmx实现对待测罐盖的传输,并依据缺陷检测结果对其进行分类,确保只有合格罐盖进入下道工序,从而提高生产效率,确保产品质量和食品安全.结果表明,所设计的系统能够满足设计要求,可为企业罐盖自动化检测提供参考,同时也可作为高校相关课程的实践项目,提升学生的工程实践能力.Easy-open cans are widely used in beverage packaging,and their lids may produce defects such as dirt,scratches,deformation,and missing pull rings during production and processing.To ensure the integrity of packaging and food safety,a defect detection system for easy-open can lids based on machine vision was designed.The hardware of the detection system consists of two parts:a machine vision system and a transmission classification system.Suitable cameras,lenses,and light sources are selected to construct a machine vision system for high-quality image acquisition.Suitable stepper motors,stepper drivers,electric cylinders,sensors,etc.,are selected to construct a transmission classification system.By using LabVIEW and IMAQ VISION to collect can lid images and detect defects,using LabVIEW and DAQmx to transmit the tested can lids,and classifying them based on the results of defect detection,it is ensured that only qualified can lids enter the next process,thereby improving production efficiency,and ensuring product quality and food safety.The experiment proves that the designed system can meet the design requirements and provide reference for business enterprises in automated inspection of easy-open can lids automated inspection of enterprise.At the same time,the system can also serve as a practical project for relevant courses in universities to exercise students'ability to analyze and solve problems,and enhance their practical engineering abilities.

关 键 词：机器视觉 缺陷检测 易拉罐罐盖 分类 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]