Design And Research On Counterweight System Of Ultrafine Powder Automatic Packaging Production Line

Aiming at the problems of excessive labor,high labor intensity,serious dust pollution and low measurement accuracy in ultra-fine powder packaging industry,this paper adopts a fuzzy adaptive tuning PID control algorithm and embedded control technology to design a set of ultra-fine powder automatic packaging counterweight system.It is of great significance to improve the measurement accuracy and speed of powder packaging.The main research contents of the paper are as follows:1.starting from the special nature of ultra-fine powder and its packaging requirements,compared a variety of commonly used powder packaging metering equipment,and use spiral scale as the system feeding measurement equipment;according to the overall structure and working principle of the quantitative counterweight device,design The mechanical part of the quantitative counterweight device includes the shape and size of the auger.2.Establish mathematical models of speed controller and servo system mechanical transmission respectively.Based on the two models,establish a mathematical model of automatic packaging servo system to provide a theoretical basis for designing a quantitative weight system based on fuzzy adaptive tuning PID control.The fuzzy self-adaptive PID control algorithm was used to design the automatic packaging quantitative weight system.The fuzzy PID model of the powder measurement system was built using the Matlab SIMULINK toolbox.The simulation experiment showed that: compared with the traditional PID algorithm,the fuzzy PID control was adopted.With the model method,the system has fast response speed,small overshoot,better stability,adaptability,and robustness.3.A set of ultra-fine powder automatic packaging counterweight system was designed through the analysis of the ultrafine powder counterweight technology.The embedded hardware system,weight sensor module,servo motor drive system and other aspects of the system hardware system circuit design.Based on the system hardware platform,the development and transplantation of embedded Linux system are realized.The workflow of the servo drive system and the host computer module is designed and analyzed.4.Different materials and different quantitative values were used to compare the experiment using fuzzy PID control algorithm and conventional PID algorithm respectively on the same equipment.The experimental results show that the measurement error based on the fuzzy control quantitative measurement method is smaller and the result is more ideal.In addition,the algorithm greatly improves the packaging speed,the metering accuracy and the adaptability to various materials,and optimizes the performance of the ultra-fine powder automatic packaging machine.