树脂镜片分拣装置设计
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目 录
第一章 绪论 6
1.1 与树脂镜片相关方案的调查 6
1.2 镜片疵病自动检测、分级和分拣装备的前景分析 6
1.3 镜片疵病自动检测、分级和分拣装备的综述分析 6
1.3.1 简介 6
1.3.2 图像获取方法 7
1.3.3 图像处理方法 8
1.3.3.1瑕疵统计 8
1.3.4控制结构 11
1.4 小结 11
第二章 总体方案设计 12
2.1树脂镜片分拣装置的总功能分析 12
2.1.1上下料传输设备 12
2.1.2三盘式分级、分拣装置的设计 12
2.2 树脂镜片分拣装置的方案设计 15
2.3方案的分析与选定 16
第三章 夹持机构的结构设计 18
3.1夹持装置的设计 18
3.2夹持装置设计方案的问题分析 22
3.3弹簧的选取 23
第四章 传动机构的机构设计 25
4.1轴的设计与校核 25
4.1.1 轴的设计 25
4.1.2轴的校核 26
4.2 电机的选取 28
4.3减速器的选取 28
4.4气缸的选取 29
4.5 凸轮分割器的选取 30
4.5.1 凸轮分割器的原理 30
4.5.2凸轮分割器的选型 31
第五章 总结 34
致谢 34
参考文献 35
摘要 随着科学技术的进步和用工成本的提高，越来越多的生产流水线开始采用自动化装置代替人工进行单调、频繁和重复的长时间作业，或是危险、恶劣环境下的作业。树脂镜片分拣装置用在镜片疵瑕检测生产线上，其功能是代替人工完成生产线上树脂镜片的搬运与分拣作业。本课题对树脂镜片分拣装置的应用进行了研究，针对该装置产生的实际背景和将来的实际用途，其研究目的和意义如下：（1）该树脂镜片分拣装置采用光学显微镜，对树脂镜片瑕疵进行四百倍放大，测量了疵病的尺寸，用CCD拍摄图像代替了肉眼观察瑕疵。既避免了肉眼观察瑕疵产生的疏漏和视力的有限性，又避免了工人视觉疲劳和增加了树脂镜片分拣、分级的精度。（2）自动分拣技术代替人工分拣，减少了劳动强度，提高了工作效率。通过图像处理设备，使得镜片自动分级，实现分拣效率：2只/秒。确保精确地释放到下料机构，方便快捷。其实验方法是通过CCD拍摄图像，并对树脂镜片瑕疵进行放大。由于使用双摄像头，所以为确保图片的完整，拍摄后将拍摄图像合成为一张图像。对树脂镜片进行精确分级的分拣的装置为三盘式分拣装置，主体由上盖，中盘，下盖组成。中盘的旋转精度由凸轮分割器保证。传动部分是由Y90S-4三相异步电动机输出动力，通过减速器将动力传递给中盘的主轴，进而实现中盘的旋转，被分级镜片精确地投放在下料结构上，输送到精确的位置。
关键词：镜片瑕疵分级 自动分拣装置 镜片瑕疵图像处理 上料、下料设备
Resin lens sorting device design
Abstract With the progress of science and technology and labor costs rise, more and more production line start with automatic device instead of artificial drab, frequent and repetitive job for a long time, or danger, the exercise of harsh environments.Resin lens sorting device used in lens testing on the production line, its function is to replace artificial to complete production line of resin lens handling and sorting operation.This topic to the application of the resin lens sorting device are studied, according to the actual background of the devices and the actual use of in the future, the research purpose and meaning is as follows: (1) the resin lens sorting device by optical microscope, to four hundred times magnification of resin lens defects, measure the size of the fault, using the CCD photograph images instead of the naked eye defects.Avoids macroscopic observation defects produced by defects and limited vision, visual fatigue and avoid the workers and increasing the resin lens sorting, the accuracy of classification.(2) the automatic sorting technology instead of manual sorting, reduced the labor intensity, improve work efficiency.Through image processing equipment, makes the lens automatic grading and implement sorting efficiency: only 2 per second.Released into the blanking mechanism to ensure accurate, convenient and quick.The experimental method was shot by CCD image and enlarge resin lens defects.Due to the use of dual cameras, so as to ensure the integrity of images, taken after the synthesize shooting images into an image.Accurate classification of resin lens sorting device for three disc sorting device, main body by the cover, the central disk, under cover.The rotation of the central disk by CAM division to ensure accuracy, rotating 60 degrees at a time.Transmission part is the rated power is 1.1 KW, rated torque and maximum torque of 2.2 N.m m, full speed to 1400 r/min Y90S - 4 three-phase asynchronous motor, through the transmission ratio is 1:6 0 transfer power to the main shaft of reducer, thus achieve the rotation of the central disk,By classifying the lens precisely on the next material structure, to the exact location.
Key words Lens flaw classification Automatic sorting device Lens defects image processing
Feeding, cutting equipment
