Modeling And Optimization Of Energy Consumption For Injection Molding System

Injection molding machine is widely used,energy consumption intensity,In order to reduce production cost,Improve the energy efficiency of injection molding machine,Reducing energy consumption intensity is one of the urgent problems to be solved.At present,the energy saving optimization of injection molding machine is mainly used,high cost of energy saving optimization,customers prefer to determine the energy consumption performance in the design stage of the injection molding machine.The energy consumption of injection molding machine is mainly used for heating and driving power system,among them,the power system has great potential for energy saving,There are many parameters influencing the energy consumption of injection molding machine,in practice,it is usually based on the experience of the operator to set the injection parameters.It is necessary to find a way to evaluate the energy consumption of the finished product in the design stage of the machine.In view of the difficulty of energy consumption prediction of injection molding power system and the complex process of energy saving optimization.Thi s paper presents a method to evaluate the energy consumption of injection molding system,Combined with the optimization algorithm,the energy consumption evaluation and energy saving optimization of injection molding power system are realized.In this paper,80 tons of hydraulic injection molding machine as an example,the specific work is as follows:1.According to the current situation of energy consumption modeling and energy saving optimization of injection molding system,summarize the existing research methods about the energy consumption of injection molding machine,The characteristics and deficiencies of these methods are analyzed.Aiming at the deficiency of research methods,The flow mechanism of a plastic injection machine based on the system,the main energy consumption for the power system,by mechanism analysis,the main parameters of power system and affect the way of energy consumption of total energy consumption,finally build energy flow model of the injection power system,a new modeling method of dynamic assessment system of energy consumption.2.According to the results of the mechanism analysis,the Solid Works and Adams software is used to build the structure dynamic model of the injection molding machine,and the AMESim software is used to build the model of the hydraulic power system of the injection molding machine.Transfer mechanism parameters of these two models are considered,considering the factors influencing energy consumption,using the method of CO simulation,the establishment of energy injection power integrated system model,are used to estimate the energy consumption of plastic injection machine system.3.The correctness of the simulation model is verified by the rationality test of parameter transmission.The main parameters influencing the total energy consumption of the injection molding machine power system are summarized by using fishbone diagram induction method,The influence of the main parameters on the total energy consumption of the injection molding system is simulated and analyzed by the joint simulation model.4.The co-simulation model is used as the fitness evaluation model,and the energy saving optimization model of the injection molding power system is constructed by combining the genetic algorithm and the joint simulation model.Based on field investigation,the range of injection parameters is established,which is used as the constraint condition in the optimization process.Finally,the energy saving optimization of injection molding machine is realized through the optimization model.