Design And Implementation Of A Rice/Noodles Integrated Unmanned Vending Machine

With the accelerated pace of life and the rapid development of Internet technology,people’s eating patterns have undergone great changes.More and more people choose fast food as the way of eating,and unmanned intelligent selling equipment is gradually accepted by consumers.However,there is no fast food vending machine based on rice/noodles currently.Therefore,in order to meet the market demand,the research group proposed a rice/noodles integrated unmanned merchandiser.In order to ensure food safety and hygiene,meet the needs of consumers for diversified dining and solve the problem of standardized production of Chinese food,the equipment adopts the central kitchen distribution and online and offline ordering mode.The research of the subject mainly includes the following items:1.Analyze the process of fast food sales,plan the function of the rice/noodles integrated unmanned vending machine,and determine the main functional module components of the equipment,that is,the placement of the bowl,the rice/noodles quantitative storage,the quantitative distribution of the food,the packaging of the lunch box,Conveying system,insulation system.Through analysis and comparison,the implementation of each function is determined.2.In this paper,the motion of the descending phase,the supporting phase and the stripping phase of the cylindrical cam in the automatic separation mechanism of the lunch box is planned.The descending and peeling curves are designed with the improved sinusoidal acceleration velocity motion with smaller maximum speed _mV and maximum acceleration _mA,and the cam space is obtained.Displacement curve;using MATLAB to obtain the actual coordinate value of the space cam curve and using 3D printing to process the cam;using Solidworks dynamics simulation to verify the rationality of the cam design.3.Through the analysis of the various functional modules of the unmanned rice noodle machine,the distribution position of the nine stations of the rotary conveying device is determined;the trapezoidal acceleration and deceleration motion curve mode is selected to design an efficient,stable and accurate rotary multi-station conveying device,which is related through experimental methods.Parameter setting and program rationality verification.4.Analyze the control logic of the rice/noodles integrated unmanned vending machine,propose the overall scheme of the control system,and carry out hardware selection and software design;realize the unmanned production and sale of equipment on site,and can automatically monitor the running state and have the alarm function.5.3D modeling,interference checking and dynamics simulation of the device using virtual prototyping technology.On this basis,physical prototype production is carried out,and relevant experiments are carried out on each device to verify the rationality of the design;the experimental results are analyzed to further optimize the design.Through the test of the physical prototype of the rice/noodles integrated unmanned vending machine,the results show that each functional module can meet the expected design requirements,and under the control of the control system,the equipment can be used to automate the sale of meals and solve the traditional Artificial snacks sell food safely and people are crowded during peak meals.