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CN-121980874-A - Injection molding simulation method and system for poly-acid carbon ester shell

CN121980874ACN 121980874 ACN121980874 ACN 121980874ACN-121980874-A

Abstract

The invention discloses an injection simulation method and system for a poly (carbon dioxide) shell, which relate to the technical field of injection simulation and are used for determining a simulation regulation system for the poly (carbon dioxide) shell based on abnormal regulation events, corresponding shell parts and corresponding injection simulation stages, so that the accuracy of the simulation regulation system for the poly (carbon dioxide) shell is improved. Determining final injection molding form of the polycarbonate resin shell according to dynamic simulation of the final injection molding data combination, marking injection molding quality coefficients of all shell parts based on detection of the final injection molding form, determining injection molding quality grade of the polycarbonate resin shell based on the injection molding quality coefficients of all shell parts and three-dimensional form of the polycarbonate resin shell, and improving the accuracy of the injection molding quality grade of the polycarbonate resin shell.

Inventors

  • QIAN GUOQIANG

Assignees

  • 常熟华新汽车零部件有限公司

Dates

Publication Date
20260505
Application Date
20260202

Claims (10)

  1. 1. An injection molding simulation method of a polycarbonate shell is characterized by comprising the following steps: In an injection simulation space built in an injection molding machine, inputting the three-dimensional form of the polycarbonate resin shell into the injection simulation space, outputting a plurality of injection simulation events, and determining corresponding dominant injection parameters according to the identification of each injection simulation event; triggering injection simulation of the polycarbonate resin shell based on a plurality of dominant injection parameters and the three-dimensional form of the polycarbonate resin shell, determining injection simulation data of each shell part of the polycarbonate resin shell, and determining injection abnormal areas according to the identification of a simulation molding diagram of the shell part, wherein each injection abnormal area comprises an area ID, a defect type, a space coordinate and complete defect data; Determining abnormal regulation and control events of the shell part according to each injection molding abnormal region, corresponding injection molding simulation data and functional types of the shell part, and determining a simulation regulation and control system of the polycarbonate shell based on each abnormal regulation and control event, the corresponding shell part and the corresponding injection molding simulation stage; In a simulation regulation system, determining each abnormal injection molding data based on the identification of the simulation regulation system, marking a corresponding data floating range, and determining a final injection molding data combination according to each abnormal injection molding data, the corresponding data floating range and a plurality of dominant injection molding parameters; Determining the final injection molding form of the polycarbonate resin shell according to the dynamic simulation of the final injection molding data combination, marking the injection molding quality coefficient of each shell part based on the detection of the final injection molding form, and determining the injection molding quality grade of the polycarbonate resin shell based on the injection molding quality coefficient of each shell part and the three-dimensional form of the polycarbonate resin shell, wherein the final injection molding form is a digital twin model containing deformed geometric shapes and residual stresses, and the injection molding quality grade is based on the comprehensive and quantized analysis results of the product form, quality distribution and functional importance.
  2. 2. The injection simulation method of the polycarbonate resin shell according to claim 1, wherein in the injection simulation space built in the injection machine, the three-dimensional form of the polycarbonate resin shell is input into the injection simulation space, a plurality of injection simulation events are output, and corresponding dominant injection parameters are determined according to the identification of each injection simulation event, comprising: The method comprises the steps of collecting the model of an injection molding machine, constructing a corresponding injection molding simulation space according to the model of the injection molding machine, a corresponding maintenance record and a previous injection molding event, storing the injection molding simulation space in a control model of the injection molding machine, and dynamically simulating injection molding of a polycarbonate shell; The method comprises the steps of collecting the three-dimensional form of the acid-polymerized carbon grease shell, receiving the three-dimensional form of the acid-polymerized carbon grease shell by an injection simulation space, triggering a plurality of injection simulation events in different dimensions based on the three-dimensional form of the acid-polymerized carbon grease shell, determining corresponding injection simulation information based on the identification of each injection simulation event in the plurality of injection simulation events, determining a plurality of injection parameters according to the detection of the injection simulation information, and determining corresponding dominant injection parameters according to the plurality of injection parameters, the corresponding weight and the simulation result of the acid-polymerized carbon grease shell.
  3. 3. The injection simulation method of a polycarbonate resin case according to claim 1, wherein the triggering of injection simulation of the polycarbonate resin case based on a plurality of dominant injection parameters and a three-dimensional shape of the polycarbonate resin case, and determining injection simulation data of each case portion of the polycarbonate resin case, determining an injection abnormal region based on recognition of a simulation map of the case portion, comprises: Determining a plurality of injection molding parameter combinations based on screening of a plurality of dominant injection molding parameters, determining corresponding matching coefficients according to identification of each injection molding parameter combination, screening the injection molding parameter combinations to be simulated, triggering first simulation of the polycarbonate resin shell based on the injection molding parameter combinations to be simulated, the morphology of each shell part of the polycarbonate resin shell and the corresponding spatial position, and outputting injection molding simulation data of each shell part; in the first simulation of the polycarbonate resin shell, a first simulation result of the polycarbonate resin shell is acquired, a simulation molding diagram of each shell part is determined based on the detection of the first simulation result, a corresponding injection molding abnormal mark is determined according to the detection of the simulation molding diagram of each shell part, and a corresponding injection molding abnormal region is determined based on the tracing of the injection molding abnormal mark.
  4. 4. The injection simulation method of a polycarbonate resin shell according to claim 1, wherein determining an abnormal control event of the shell part according to each injection abnormal region, corresponding injection simulation data and a functional type of the shell part, and determining a simulation control system of the polycarbonate resin shell based on each abnormal control event, corresponding shell part and corresponding injection simulation stage comprises: Collecting each injection molding abnormal region, matching corresponding injection molding simulation data, and determining first heavy abnormal regulation content of the shell part according to the region form of each injection molding abnormal region and the functional type of the corresponding shell part; determining second heavy abnormal regulation contents of the shell part according to injection simulation data of each injection abnormal region and the functional types of the corresponding shell part, and determining abnormal regulation events of the shell part based on the first heavy abnormal regulation contents and the second heavy abnormal regulation contents.
  5. 5. The injection simulation method of a polycarbonate resin shell according to claim 4, wherein the determining the abnormal control event of the shell part according to each injection abnormal region, the corresponding injection simulation data and the functional type of the shell part, determining the simulation control system of the polycarbonate resin shell based on each abnormal control event, the corresponding shell part and the corresponding injection simulation stage, further comprises: And determining a corresponding injection simulation node according to the identification of each abnormal regulation event, determining a corresponding injection simulation stage based on the tracing of the injection simulation node, and determining a simulation regulation system of the polycarbonate shell according to each abnormal regulation event, the corresponding shell part and the corresponding injection simulation stage.
  6. 6. The method for simulating injection molding of a polycarbonate resin shell according to claim 1, wherein in the simulated control system, each abnormal injection molding data is determined based on the identification of the simulated control system, the corresponding data floating range is marked, and the final injection molding data combination is determined according to each abnormal injection molding data, the corresponding data floating range and the plurality of dominant injection molding parameters, comprising: the simulation regulation system is monitored in real time, the simulation regulation system is identified, a data abnormal signal is output in the identification process, and corresponding abnormal injection molding data are determined according to the identification of the data abnormal signal so as to acquire each abnormal injection molding data.
  7. 7. The method according to claim 6, wherein in the simulation control system, each abnormal injection molding data is determined based on the identification of the simulation control system, the corresponding data floating range is marked, and the final injection molding data combination is determined according to each abnormal injection molding data, the corresponding data floating range and the plurality of dominant injection molding parameters, and further comprising: In each abnormal injection molding data, determining a data floating range of the abnormal injection molding data according to the abnormal injection molding data, the abnormal shape of the corresponding shell part and the past injection molding record of the shell part; and acquiring a plurality of dominant injection molding parameters, determining a primary combination of injection molding data according to the data floating range of each abnormal injection molding data and the dominant injection molding parameters, and determining a final injection molding data combination according to the primary combination of the injection molding data and each abnormal injection molding data.
  8. 8. The injection molding simulation method of a polycarbonate resin case according to claim 1, wherein the determining of the final injection molding form of the polycarbonate resin case based on the dynamic simulation of the final injection molding data combination, marking the injection molding quality coefficient of each case part based on the detection of the final injection molding form, and determining the injection molding quality grade of the polycarbonate resin case based on the injection molding quality coefficient of each case part and the three-dimensional form of the polycarbonate resin case comprises: and acquiring a final injection molding data combination, determining each stage data combination based on the final injection molding data combination and the matching of each injection molding simulation stage, and determining the final injection molding form of the polycarbonate resin shell according to each stage data combination and the three-dimensional form of the polycarbonate resin shell.
  9. 9. The method of injection molding simulation of a polycarbonate resin case according to claim 8, wherein the determining a final injection molding form of the polycarbonate resin case based on the dynamic simulation of the final injection molding data combination, marking injection molding quality coefficients of the respective case portions based on the detection of the final injection molding form, and determining an injection molding quality level of the polycarbonate resin case based on the injection molding quality coefficients of the respective case portions and the stereoscopic form of the polycarbonate resin case, further comprises: marking the surface area of each shell part based on the identification of the final injection molding form of the polycarbonate shell, and determining the corresponding injection molding quality coefficient according to the identification of each surface area; And determining the sub injection molding quality grade of each shell part based on the identification of the injection molding quality dynamic diagram, and determining the injection molding quality grade of the polycarbonate shell according to the sub injection molding quality grade of each shell part, the corresponding space position and the use scene of the polycarbonate shell.
  10. 10. An injection molding simulation system of a polycarbonate resin shell, wherein the injection molding simulation system of the polycarbonate resin shell is applied to the injection molding simulation method of the polycarbonate resin shell according to any one of claims 1 to 9.

Description

Injection molding simulation method and system for poly-acid carbon ester shell Technical Field The invention relates to the technical field of injection simulation, in particular to an injection simulation method and system for a poly (carbon dioxide) shell. Background Along with development of technology, an injection molding machine is gradually applied to the industrial field of people, corresponding plastic products are output in the working process, a Polycarbonate (PC) shell is used as one of the plastic products and is applied to an automobile, a three-dimensional model of the PC shell is collected in the prior art, injection molding simulation is carried out on the three-dimensional model of the PC shell based on injection molding simulation software, so that corresponding injection molding abnormal areas are output, consideration of various abnormal regulation events and injection molding simulation stages is omitted, the accuracy of a simulation regulation system of the PC shell is affected, and the accuracy of the injection molding quality level of the PC shell is low. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides an injection simulation method and system for a poly (carbon dioxide) shell. The embodiment of the invention provides an injection simulation method of a poly (carbon dioxide) shell, which comprises the following steps: In an injection simulation space built in an injection molding machine, inputting the three-dimensional form of the polycarbonate resin shell into the injection simulation space, outputting a plurality of injection simulation events, and determining corresponding dominant injection parameters according to the identification of each injection simulation event; triggering injection simulation of the polycarbonate resin shell based on a plurality of dominant injection parameters and the three-dimensional form of the polycarbonate resin shell, determining injection simulation data of each shell part of the polycarbonate resin shell, and determining injection abnormal areas according to the identification of a simulation molding diagram of the shell part, wherein each injection abnormal area comprises an area ID, a defect type, a space coordinate and complete defect data; Determining abnormal regulation and control events of the shell part according to each injection molding abnormal region, corresponding injection molding simulation data and functional types of the shell part, and determining a simulation regulation and control system of the polycarbonate shell based on each abnormal regulation and control event, the corresponding shell part and the corresponding injection molding simulation stage; In a simulation regulation system, determining each abnormal injection molding data based on the identification of the simulation regulation system, marking a corresponding data floating range, and determining a final injection molding data combination according to each abnormal injection molding data, the corresponding data floating range and a plurality of dominant injection molding parameters; Determining the final injection molding form of the polycarbonate resin shell according to the dynamic simulation of the final injection molding data combination, marking the injection molding quality coefficient of each shell part based on the detection of the final injection molding form, and determining the injection molding quality grade of the polycarbonate resin shell based on the injection molding quality coefficient of each shell part and the three-dimensional form of the polycarbonate resin shell, wherein the final injection molding form is a digital twin model containing deformed geometric shapes and residual stresses, and the injection molding quality grade is based on the comprehensive and quantized analysis results of the product form, quality distribution and functional importance. The embodiment of the invention provides an injection molding simulation system of a poly (carbon dioxide) shell, which is applied to the injection molding simulation method of the poly (carbon dioxide) shell. Compared with the prior art, the invention has the beneficial effects that: (1) The method comprises the steps of inputting the three-dimensional form of the polycarbonate resin shell into an injection simulation space in an injection molding machine, outputting a plurality of injection simulation events, determining corresponding dominant injection parameters according to the identification of each injection simulation event, triggering the injection simulation of the polycarbonate resin shell based on the dominant injection parameters and the three-dimensional form of the polycarbonate resin shell, determining injection simulation data of each shell part of the polycarbonate resin shell, determining an injection abnormal region according to the identification of a simulation molding diagram of the shell part, introducing the dominant inj