基于上位机的层间角联锁织物用织机开口控制系统设计

Design of loom shedding control system for interlayer angle interlocking fabric based on use of host computer

为解决小批量、多品种层间角联锁织物织造经常需要更改自动化开口控制程序的问题,提出一种基于上位机的织机开口控制系统,主要包括数据格式转换计算机辅助制造(CAM)软件模块、上位机通信系统和可编程控制器(PLC)控制系统。首先,基于Python和QT-Designer构建工艺信息数据格式转换CAM软件;同时,利用Visual Basic开发可编程控制器上位机通信软件,实现工艺信息实时传输至PLC,并监控生产过程;最后,开展PLC控制系统的硬件和软件设计,并通过实验验证织机开口控制系统的可行性。结果表明:开发的工艺信息数据格式转换CAM软件模块、上位机通信软件和PLC控制系统可行,通过Excel编辑气缸动作矩阵文件,拷贝入上位机完成数据格式转换,即可上机织造。

Aiming at the problem that the weaving of small batch and multi-type interlayer angle interlocking fabrics needs frequent change of the automatic weaving shedding control program,this paper proposes an loom shedding control system based on the host computer,including data format conversion computer aided manufacturing(CAM)software,host computer communication system and programmable logical controller(PLC)control system.The host computer communication system was firstly designed and a process information data format conversion CAM software module was built based on Python and QT-Designer.Further,a PLC host computer communication software was developed based on Visual Basic to facilitate real-time transmission of process information to the PLC,and monitor the production process.The hardware and software design of PLC control system,and experimental verification of the feasibility of the control system of jacquard loom were carried out based on the use of the host computer.The research results show that the process information data format conversion CAM software module,host computer communication software and PLC control system developed in this research were feasible.The cylinder motion matrix file was edited through Excel and then copied into the host computer to complete the data format conversion and complete the control program change.