Design And Research Of The Automatic Sorting Control System

In the days of rapid development of modem logistic,as a hardcore production of Logistic Automation,the automatic sorter occupies an important place of China postal automation. And it can also make sense to saving labor force,increasing efficiency,reducing making mistake and reducing costs.Linking with the re-design of automatic sorting system in Shenzhen Postal District Central Bureau,this article emphatically discussed the design of 1inks of automatic sorting machines information,including drive control system, trolley control system,parcel convey or system,host control system as well as composition of information network.In the design of drive control system,the mode of tray– type sorting will mainly replace by the mode of high-speed halved belt sorting which meets the need of new trend of the times to improve the working efficiency. Additionally it has set up the linear motor and the vice-driving equipment to make the overall system more stable.In the design of trolley control system,the tray-type trolley will mainly replace by the halved belt trolley. Every eight trolleys will be a group and in each group of vehicles,the information transmission is controlled by a control box. Each trolley can turn and reverse by frequency converter and the 3-phase squirrel cage asynchronous induction motor so that it can be accurately go up and down.In the design of the parcel convey or system,it makes full use of the original in active dynamic scales and coordinates with the photo tube on the gantry frame to measure the weight and size of the parcels. It also can automatically achieve the aligning function by rewriting the PLC program for parcel conveyor and improve production efficiency without the second scanning.In the design of the soft facility, it has increased the intermediate server. It has used the standard 128 code to scan,sort,seal and send the postal materials in the network all the time so that all mails can be found. All link shave avoided the artificial input and this has saved the manpower and reduced the mistake.Expounding my views on the control information system design,this article simply explains the basic concepts of PLC controller,frequency converter, the motor and the partial transport protocols which involved in the project. Finally it introduced the software environment disposition to cause the overall system revolution to be normal.