农业机械学报2017，Vol.48Issue(6)：41-49,9.DOI:10.6041/j.issn.1000-1298.2017.06.005
水稻秧盘育秧播种生产线电控式软硬秧盘自动供盘装置
Electric Controlled Automatic Tray Feeding Device for Hard and Soft Tray of Rice Precision Seeding for Nursing Seedlings Planter
摘要
Abstract
Rice factory seedling nursery is a technology that may greatly benefit the Chinese agriculture.It can improve the productivity of rice tray nursing seedlings planter,simplify the cultivation procedure and requirement,and reduce the labor intensity of manual planting.However,one technical drawback of this technology is that the current automatic tray feeder suffers from significant vibration shock and unstable reliability of automatic tray feeder.A composite tray which can be fitted with soft plastic trays and an automatic tray-supplying apparatus for rice tray nursing seedlings planter was developed.The control system was based on the STM32 microcontroller,the trays were detected by a proximity switch,and the servo steering shaft mechanism was used to automatically lift and drop the tray.Through theoretical analysis,the force model for the embedded composite tray was established,and the working parameters of the composite tray were determined.Key components such as the reel shaft mechanism,the lifting finger and the conveying device were designed.For analyzing the performance of the automatic tray feeder and discovering of the main factor of the tray feeding success rate,an orthogonal trial experiment was carried out by using the hard tray,and the tray feeding success rate was used as the experimental index.The orthogonal experiment showed that the tray stacking deviation had significant influence on tray feeding success rate,while the productivity and the tray feeding rate were non-significant.In addition,according to analyzing the experimental data,the automatic tray feeder was improved.Individually,two single factor experiments were carried out which regarded tray feeding success rate as experimental index.One experiment used the hard tray as experimental subject and the other one used soft plastic tray with the embedded composite tray as the experimental subject.Experimental results showed that the improved automatic tray feeder achieved high performance,the rate of hard tray feeding success was 100％ and that of the soft plastic tray with the embedded composite tray was more than 98％.The automatic tray feeder can effectively raise productivity and reduce labor intensity,and the experimental indexes met the using requirements of rice tray nursing seedlings planter.关键词
水稻/秧盘育秧播种/自动供盘装置/软硬秧盘/电控式Key words
rice/tray nursing seedlings/automatic tray feeder/hard and soft tray/electronic control分类
农业科技引用本文复制引用
马旭,陈林涛,黄冠,齐龙,林少敏,陆强..水稻秧盘育秧播种生产线电控式软硬秧盘自动供盘装置[J].农业机械学报,2017,48(6):41-49,9.基金项目
广东省科技计划项目(2014B020207002)和现代农业产业技术体系建设专项资金项目(CARS-01-33) （2014B020207002）
