基于规则转换的机械式排种器系列与变异变型设计
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摘要
针对2B-JP-FX系列双腔复合种盘机械式精密排种器快速变型设计问题,以同类两型排种器为研究对象,利用CATIA软件平台建立排种器3D模型,在结构特征分析与参数分类基础上,结合参数化设计与知识工程模块,采用规则转化法对零件参数化建模,建立主控零件左排种盘与相关被控零件模型间参数关联,提取主控零件左排种盘外圆直径和折边倾角作为装配体主参数,基于CATIA二次开发技术,以Visual Basic为开发语言,设计人机交互平台,实现排种器系列变型与变异变型设计。模型驱动表明,该方法能有效、快速、准确实现同类多型排种器系列与变异变型设计,有效减少基础模型数量,同时也为复杂装配体高效研发提供解决方案,奠定数字化3D模型资源集合合理构建技术基础。
Aiming at the problem of rapid variant design on 2B-JP-FX series mechanical precision seed-metering device with double cavity composite plate, a kind and two-type seed-metering device was used as an object in the study, the 3D model of the seed-metering device was built by using CATIA software.After, characteristic analysis of its structure and classification of parameters were completed, combine parametric design with module of knowledge engineering, made the parametric design on components by using conversion method of rules. The key component left seed-plate was used as master component, the function association of models between master component and controlled components can be built. And the excircle diameter and flange angle of master component left seed- plate were extracted as the main parameter of the assembly. A kind of human- computer interaction platform had been designed, and the series variant and variation variant design of seed-metering device were determined, which was based on secondary development technology of software CATIA with the development language Visual Basic. The model driving indicated that the technology effectively, rapidly and accurately enabled the series and variation variant design of a kind and two-type seed-metering deviced and reduced the number of basic model. And a rapid and feasible modernized solution for the product research can be provided, and laid the foundation for gather reasonable building of digital 3D model resource.
Aiming at the problem of rapid variant design on 2B-JP-FX series mechanical precision seed-metering device with double cavity composite plate, a kind and two-type seed-metering device was used as an object in the study, the 3D model of the seed-metering device was built by using CATIA software.After, characteristic analysis of its structure and classification of parameters were completed, combine parametric design with module of knowledge engineering, made the parametric design on components by using conversion method of rules. The key component left seed-plate was used as master component, the function association of models between master component and controlled components can be built. And the excircle diameter and flange angle of master component left seed- plate were extracted as the main parameter of the assembly. A kind of human- computer interaction platform had been designed, and the series variant and variation variant design of seed-metering device were determined, which was based on secondary development technology of software CATIA with the development language Visual Basic. The model driving indicated that the technology effectively, rapidly and accurately enabled the series and variation variant design of a kind and two-type seed-metering deviced and reduced the number of basic model. And a rapid and feasible modernized solution for the product research can be provided, and laid the foundation for gather reasonable building of digital 3D model resource.
引文
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[2]刘宏新,王福林,杨广林.新型立式复合圆盘大豆精密排种器研究[J].农业工程学报,2007,23(10):112-113.
[3]刘宏新.2B-JP-FL01排种器基础结构参数优化的试验研究[J].农业工程学报,2007,23(9):106-110.
[4]Liu H X,Guo L F,Fu L L,et al.Study on multi-size seed-metering device for vertical plate soybean precision planter[J].Int J Agric&Biol Eng,2015,8(1):1-8.
[5]Liu Q S,Xi J T.Case-based parametric design system for test turntable[J].Expert Systems with Applications,2011,38(6):6508-6516.
[6]刘夫云,邓小林.配置产品尺寸参数修改与变型设计方法研究[J].计算机集成制造系统,2008,14(11):2092-2098.
[7]邓启超,刘涛.基于变形的产品系列化设计方法[J].机械设计与研究,2007,23(3):20-22.
[8]俞高红,张玮炜,孙良,等.偏心齿轮-非圆齿轮后插旋转式分插机构的三维参数化设计[J].农业工程学报,2011,27(11):9-14.
[9]辛虹.系列零部件三维参数化设计方法研究[J].机械设计与制造,2013(4):202-204.
[10]Chu C H,Song M C,Luo V C S.Computer aided parametric design for 3D tire mold production[J].Computers in Industry,2006,57(1):11-25.
[11]El-Mehalawi M,Miller R A.A database system of mechanical components based on geometric and topological similarity.part II:indexing,retrieval,matching and similarity assessment[J].Computer-Aided Design,2003,35(1):95-105.
[12]Cukovic S,Deved?Ic G,Ionu?GHIONEA.Automatic determination of determination of grinding tool profile for helicle surfaces machining using CATIA/VB interface[J].U P B Sci Bull,Series D,2010,72(2):85-96.
[13]Myung S,Han S.Knowledge-based parametric design of mechanical products based on configuration design method[J].Expert Systems with Applications,2001,21(2):99-107.
[14]姚春革,孙永厚,匡兵,等.基于参数化技术的装配件变型设计[J].计算机系统应用,2012,21(7):160-163.
[15]李建平,魏宝刚,杨晨东,等.基于Pro/E的有序抛秧机三维参数化造型设计[J].农业机械学报,2006,37(5):60-62.
[16]刘宏新,周向荣,李蓉,等.复式播种单元3D模型参数化数字资源研究[J].东北农业大学学报,2014,45(12):105-110.
[17]Lu Z,Wang T Y,Li X C,et al.Parametric design of the tangential intake port in diesel engines[J].Proceedings of the Institution of Mechanical Engineers,2013,227(3):342.
[18]李苏红,刘记,左春柽.基于CATIA V5的四杆机构参数化设计及其运动仿真[J].长春理工大学学报,2009,32(2):181-183.
[19]李少帅,乔立红.成组夹具参数化设计方法研究[J].成组技术与生产现代化,2010,27(3):18-23.
[20]Tang J P,Xi P,Zhang B Y,et al.A finite element parametric modeling technique of aircraft wing structure[J].Chinese Journal of Aeronautics,2013,26(5):1202-1210.