CN116719295B - Production control method and system for powder coating - Google Patents
Production control method and system for powder coating Download PDFInfo
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- CN116719295B CN116719295B CN202311007941.3A CN202311007941A CN116719295B CN 116719295 B CN116719295 B CN 116719295B CN 202311007941 A CN202311007941 A CN 202311007941A CN 116719295 B CN116719295 B CN 116719295B
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 234
- 238000012545 processing Methods 0.000 claims abstract description 161
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- 239000000463 material Substances 0.000 claims abstract description 67
- 238000012544 monitoring process Methods 0.000 claims abstract description 56
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- 238000004088 simulation Methods 0.000 claims abstract description 29
- 238000005286 illumination Methods 0.000 claims description 62
- 238000001514 detection method Methods 0.000 claims description 41
- 238000007873 sieving Methods 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 26
- 238000004458 analytical method Methods 0.000 claims description 22
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- 239000000203 mixture Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000009700 powder processing Methods 0.000 description 2
- 238000001448 refractive index detection Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
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- 239000002904 solvent Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
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Abstract
The invention provides a production control method and a production control system for powder coating, which relate to the technical field of data processing, and are characterized in that matching control parameters and production process flows are determined by matching from a production control parameter library according to powder coating processing material information; carrying out production simulation and processing quality monitoring on the simulated production process by a digital factory based on the matching control parameters, the production process flow and the powder coating processing material information to obtain a production process quality monitoring set; judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement; and adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, determining the flow control parameters, and solving the technical problems that the production process of the powder coating lacks reliable control and the quality of the powder coating is difficult to ensure. The technical effects of improving the precision of production and processing control and ensuring the quality of the processing result of the powder coating are achieved.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a production control method and system of powder coating.
Background
The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like. Unlike common solvent-based paint and water-based paint, its dispersion medium is not solvent and water, but air. Along with the economic development, the field of applying the powder coating is continuously expanded, so that the demand for the powder coating in industry is continuously increased, and better demand is also provided for the quality of the powder coating. Strict control must be exercised from each link of the production process during the powder coating production process to ensure the quality of the powder coating product. The prior art production process lacks effective control and lacks reliable assurance for the production quality of powder coating.
Disclosure of Invention
In order to solve the problems, the application provides a production control method and a production control system for powder coating, which solve the technical problems that the production process of the powder coating in the prior art lacks reliable control and the quality of the powder coating is difficult to ensure. The technical effects of improving the precision of production and processing control and ensuring the quality of the processing result of the powder coating are achieved.
In view of the above, the present application provides a method and a system for controlling the production of powder coating.
In one aspect, the present application provides a method of controlling the production of a powder coating, the method comprising: obtaining powder coating processing material information; performing parameter matching from a production control parameter library according to the powder coating processing material information, and determining a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation; based on the matching control parameters, the production process flow and the powder coating processing material information, carrying out production simulation through a digital factory and carrying out processing quality monitoring on the simulated production process to obtain a production flow quality monitoring set; wherein, before obtaining the production flow quality monitoring set, the method further comprises: obtaining powder coating application scene information, and determining scene coating requirement performance parameters according to the powder coating application scene information; carrying out production process flow influence relation matching according to the scene coating required performance parameters, and determining related production process flows; adding the required performance parameters of the scene coating and the set flow constraint conditions of the related production process flows into the digital factory, and carrying out parameter control on the related production process flows according to the required performance parameter standards of the scene coating and the flow constraint conditions; judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement; adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, and determining the flow control parameters; and generating control information based on the flow control parameters, and controlling production by using the control information.
In another aspect, the present application provides a powder coating production control system, the system comprising:
a material information acquisition unit for acquiring powder coating processing material information;
the parameter matching unit is used for carrying out parameter matching from a production control parameter library according to the powder coating processing material information to determine a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation;
the production simulation unit is used for carrying out production simulation through a digital factory based on the matching control parameters, the production process flow and the powder coating processing material information and carrying out processing quality monitoring on the simulated production process to obtain a production process quality monitoring set;
the flow parameter constraint adjustment unit is used for obtaining powder coating application scene information and determining scene coating requirement performance parameters according to the powder coating application scene information; carrying out production process flow influence relation matching according to the scene coating required performance parameters, and determining related production process flows; adding the required performance parameters of the scene coating and the set flow constraint conditions of the related production process flows into the digital factory, and carrying out parameter control on the related production process flows according to the required performance parameter standards of the scene coating and the flow constraint conditions;
The processing quality judging unit is used for judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement;
the parameter adjusting unit is used for adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, and determining the flow control parameters;
and the control information determining unit is used for generating control information based on the flow control parameters and controlling production by utilizing the control information.
The technical scheme provided by the application has at least the following technical effects:
the application provides a production control method and a production control system for powder coating, which are used for obtaining powder coating processing material information; performing parameter matching from a production control parameter library according to the powder coating processing material information, and determining a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation; based on the matching control parameters, the production process flow and the powder coating processing material information, carrying out production simulation through a digital factory and carrying out processing quality monitoring on the simulated production process to obtain a production flow quality monitoring set; judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement; and adjusting flow control parameters which do not meet the flow quality requirements until the processing result prediction results obtained by all the flows meet the quality requirements of all the flows, determining the control parameters corresponding to all the flows, obtaining the whole production control parameters, producing corresponding control information, providing reference opinion for production control, improving the accuracy of production processing control, ensuring the technical effect of the processing result quality of the powder coating, and solving the technical problems that the production process of the powder coating in the prior art lacks reliable control and the quality of the powder coating is difficult to ensure.
Drawings
FIG. 1 is a schematic flow chart of a method for controlling the production of a powder coating according to an embodiment of the application;
FIG. 2 is a schematic flow chart of a powder uniformity photo-detection in a method for controlling production of a powder coating according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of determining the refractive index of powder illumination in a method for controlling the production of a powder coating according to an embodiment of the application;
fig. 4 is a schematic structural diagram of a production control system for powder coating according to an embodiment of the present application.
Detailed Description
The application provides a production control method and a production control system for powder coating, which are used for solving the technical problems that the production process of the powder coating in the prior art lacks reliable control and the quality of the powder coating is difficult to ensure.
The following detailed description of the present application is provided in connection with specific embodiments.
Example 1
As shown in fig. 1, an embodiment of the present application provides a method for controlling production of a powder coating, the method comprising:
s1: and obtaining powder coating processing material information.
Specifically, different processing materials are selected according to different types of powder coatings, the powder coating processing materials are required to be premixed in the powder coating processing, components such as resin powder, pigment, filler, curing agent, leveling agent and the like are uniformly mixed according to a formula, and corresponding production control is required to be carried out according to physical and chemical characteristics of different processing materials, for example, temperature and residence time of thermosetting powder in equipment are required to be noted so as not to influence production due to reaction. Therefore, the composition and the formula of the powder coating processing material information can be used for carrying out corresponding parameter treatment on the production process control so as to meet the processing requirements of different materials. The powder coating processing material information is material information mixed during powder coating processing, and comprises material names, attribute requirements of powder coatings, material proportioning relation, physical characteristics and the like.
S2: and carrying out parameter matching from a production control parameter library according to the powder coating processing material information, and determining a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation.
Specifically, the corresponding production flow and processing parameters are matched in a production control parameter library according to the powder coating processing material information, the production control parameter library sets requirements for processing parameters of each powder coating according to historical experience processing data, the corresponding historical processing parameters are extracted according to the processing material information of different powder coatings and the product requirements of the powder, and the constructed production control parameter library comprises the mapping relation between the powder coating product requirements, the powder coating processing material composition, the processing parameters corresponding to the process flows and the data. And matching the powder coating processing material information determined by the current powder coating processing requirement in a production control parameter library until the processing parameters and the process flows meet the current powder coating processing requirement, namely matching the control parameters and the production process flows, wherein each production process flow corresponds to the control parameters of the flow. For example, the melt extrusion can correspond to the parameter setting requirements of temperature and time, for example, the thermosetting powder coating must control the extrusion temperature and the residence time of materials in a machine barrel; the cooling and grinding have the requirements of temperature, time, speed and the like, and the extruded melt should be immediately extruded into slices and cooled in time, so that the heat of the melt cannot be accumulated, and chemical changes in the components are prevented.
S3: and carrying out production simulation and processing quality monitoring on the simulated production process by a digital factory based on the matching control parameters, the production process and the powder coating processing material information, and obtaining a production process quality monitoring set.
Further, based on the matching control parameters, the production process flow, and the powder coating processing material information, performing production simulation by a digital factory and performing processing quality monitoring on the simulated production process to obtain a production flow quality monitoring set, S3 includes: s31: acquiring video information of production equipment and production and processing processes of the powder coating to obtain an equipment processing video set; s32: extracting features of the equipment processing video set, and performing 3D modeling by using the extracted equipment processing features through a digital factory technology; s33: according to the powder coating processing material information, historical processing parameter control database acquisition is carried out, and a processing material production data set is obtained; s34: inputting the matching control parameters, the production process flow and the processing material production data set into a digital factory to perform production simulation; s35: training a processing result prediction model by utilizing the historical processing parameter control database, predicting and outputting the processing result of each process flow by using the processing result prediction model to obtain production flow result prediction information, and storing the production flow result prediction information to obtain the production flow quality monitoring set.
Specifically, according to the powder coating processing material information, matching control parameters and production process flow which are required by current processing, the production simulation is carried out by utilizing a digital factory, the simulation of the production process is carried out through 3D modeling, the monitoring analysis is carried out on the simulated production process, and the parameters which do not meet the requirements are adjusted, so that the processing control parameters can meet the processing and production requirements of the powder coating, the actual processing and production are controlled through the control parameters determined by the simulation analysis, the quality of the processed product is improved, the influence on the product quality due to errors caused in the actual processing and treatment process is avoided, the adjustment and treatment difficulty is high, and certain economic loss is caused.
It should be understood that the digital factory is a digital simulation factory created based on virtual reality, which simulates, evaluates and optimizes a production process, and digitally simulates a process of production and processing by 3D modeling using a virtual simulation technique to simulate different environments in which a manufacturing environment runs from the factory based on related data of a full life cycle of a product.
The video acquisition is carried out on processing equipment, processing flow, control parameters and the like of the powder coating, the characteristic extraction is carried out on the data acquisition in the actual processing process,
The historical processing parameter control database is a database for collecting and summarizing data of each powder coating in the processing process in the production and processing process, wherein the database comprises data of processing states represented by powder, powder forms and the like under different processing flows and corresponding parameter control in the historical processing of each powder coating, the processing material information of the powder coating is matched in the historical processing parameter control database according to various materials to be processed at present, and a processing material production data set is obtained, and the data comprises processing flows, processing production parameters corresponding to the flows and the powder processing states under different parameters. And parameter setting is carried out on the constructed simulation factory by utilizing the processing material production data set, the matching control parameters and the production process flow, so that the constructed 3D simulation digital factory can simulate the production state of the current powder coating processing material information in each flow under the setting of the current production parameters. And predicting the processing results in each flow through simulating the production process, and judging whether the obtained processing results of each flow meet the processing production requirements of each flow.
In the process of predicting the processing and production results of each flow, in order to improve the processing speed and the reliability of the prediction results, the embodiment of the application trains the constructed BP feedforward network through data in a historical processing parameter control database to obtain a processing result prediction model, deep learns the state parameters of flow products obtained by each powder coating processing material in different processing parameters and processing flows in the historical processing parameter control database, predicts the production and production results through the current flow control parameters and powder coating processing material information, embeds the trained processing result prediction model into the 3D modeling and simulation production of a digital factory, predicts and outputs the processing result of each flow, records the output result of each flow, stores the processing prediction result of each flow into a production flow quality monitoring set, and the production flow quality detection set comprises the prediction results of each flow. Namely, under the set control parameters, the data parameters and effect patterns of the intermediate product processed by the powder coating processing material information are obtained by each processing flow.
Further, before obtaining the production process quality monitoring set, the method further comprises: s301, obtaining powder coating application scene information, and determining scene coating requirement performance parameters according to the powder coating application scene information; s302, carrying out production process flow influence relation matching according to the scene paint required performance parameters, and determining related production process flows; s303, adding the required performance parameters of the scene paint and the set flow constraint conditions of the related production process flows into the digital factory, and carrying out parameter control on the related production process flows according to the required performance parameter standards of the scene paint and the flow constraint conditions;
specifically, performance requirement analysis is performed according to the scenes of the powder coating, the performance requirements of different application scenes have a demand deviation on the performance of the powder coating, the performance requirements of the powder coating mainly comprise corrosion resistance, insulation, low-temperature curing performance, glossiness, leveling property, weather resistance and the like, if the corrosion resistance requirements on the coating are high in a corrosion environment, the glossiness requirements on the surface of a product are high, certain variability exists in the parameter requirements on the performance in different application environments, the performance parameters of the scene coating, namely the performance parameter requirements which are required to be achieved by the product, are determined according to the performance use requirements of the scene, and correspond to different processes according to the performance parameters of the different scene coating, wherein the performance parameters of the scene coating comprise various parameter combinations, which are higher than standard and also lower than standard, and meanwhile, the requirements of the performance parameters of the scene coating are easy to control, and are difficult to control, and the adjustment of the performance parameters of the scene coating can be achieved through parameter coordination among the processes.
The method comprises the steps of carrying out corresponding setting on control parameters corresponding to parameters different from standard performance requirements according to characteristic performance parameter requirements in scene coating requirements, namely carrying out matching from a production control parameter library, carrying out evaluation according to the set flow requirements in process quality evaluation, and carrying out corresponding parameter control by combining specific use scenes of powder coating so as to meet different production processing requirements and ensure that the powder coating meets personalized market requirements.
The control parameters and production standards in the related process flows are set and adjusted according to specific parameter requirements in the scene coating requirement performance parameters, including improvement of the control standard of a certain flow, reduction of the control standard of a certain flow, integration and adjustment of the whole flow process and the like, and the method is not limited to the traditional index control requirements. In the simulation of a digital simulation factory, the flow control requirements are converted according to the scene coating requirement performance parameters of the powder coating, constraint conditions corresponding to the flow parameters are generated, namely, the flow corresponds to the adjustment requirements of the scene coating requirement performance parameters, and the control parameters of the corresponding process flow are determined according to the constraint conditions set by each flow.
S4: judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement.
S5: and adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, and determining the flow control parameters.
Further, adjusting the flow control parameters which do not meet the flow quality requirement until the flow quality requirement is met, determining the flow control parameters, and S5 includes: s51: determining production flow information based on the flow control parameters which do not meet the flow quality requirements; s52: based on the production flow information, obtaining relevant influence factors, wherein the relevant influence factors comprise a flow influence factor and a relevant flow influence factor; s53: according to the flow process influence factor and the related flow process influence factor, determining adjustment parameter information, and S54: and adjusting the flow control parameters by utilizing the adjustment parameter information, re-simulating the production process to obtain an adjusted production flow quality monitoring set, and repeating the judgment until the flow quality requirement is met.
Specifically, whether the processing result of each flow obtained in the production flow quality monitoring set meets the flow quality requirement corresponding to each flow of powder processing is judged, if so, the current control parameters can meet the requirement of qualified products of production processing, and if not, the current control parameters are insufficient, and the control parameters are required to be adjusted and improved so that the processing result can meet the processing requirement of each flow. The process quality requirements are correspondingly analyzed according to the processing results and the product quality results in the historical processing parameter control database, the historical processing parameter control database comprises the data parameters of intermediate products of each process of the historical processing records and the quality results of the obtained final product, the processes are interacted and influenced, only the processes are effectively controlled, the intermediate products of the processes are ensured to reach the quality requirements, and the final product quality is ensured.
And determining control parameters meeting the flow quality requirements, adjusting the control parameters of the flow which do not meet the flow quality requirements, repeatedly inputting the control parameters into 3D modeling for parameter change, carrying out prediction output on the flow processing result by using the processing result prediction model through production simulation again, and repeatedly judging until the flow processing prediction result is matched with the flow quality requirements, and determining the flow control parameters.
S6: and generating control information based on the flow control parameters, and controlling production by using the control information.
Specifically, until the predicted result of the processing result obtained by all the processes meets the quality requirement of each process, determining the control parameters corresponding to all the processes to obtain the whole production control parameters, producing the corresponding control information, and providing reference opinion for the production control so as to improve the accuracy of the production processing control and ensure the quality of the processing result. Thereby solving the technical problems that the production process of the powder coating in the prior art lacks reliable control and the quality of the powder coating is difficult to ensure.
Further, as shown in fig. 2, the method further includes:
S7: when the production process flow is a sieving and grading flow, starting illumination monitoring equipment, and carrying out light detection on powder in sieving and grading by setting light source detection parameters to obtain the illumination refractive index of the powder.
Further, as shown in fig. 3, when the production process is a sieving and classifying process, the illumination monitoring device is started, and the powder in the sieving and classifying process is subjected to light detection by setting the light source detection parameters, so as to obtain the illumination refractive index of the powder, and S7 includes: s71: obtaining the powder granularity requirement; s72: determining the particle size range information according to the powder particle size requirement and the powder coating processing material information; s73: determining wind power setting information according to the particle size range information, and setting wind power to blow the screened powder by using the wind power setting information so that the screened powder floats in a screened floating detection box; s74: carrying out data matching from a standard substance experiment data set based on the powder granularity requirement to obtain matching standard granularity refraction information, wherein the matching standard granularity refraction information comprises various light source setting information, various standard substance position information and corresponding illumination refraction information; s75: performing light source setting on the illumination monitoring equipment based on the plurality of light source setting information, and performing position setting on the standard substances in the sieving floating detection box based on the plurality of standard substance position information to obtain illumination monitoring information; s76: and carrying out illumination refractive index analysis according to the illumination monitoring information, and determining the illumination refractive index of the powder.
S8: obtaining a standard refractive index of the powder coating;
s9: and comparing the powder illumination refractive index with the powder coating standard refractive index, and determining control parameters of the sieving and grading process when the powder illumination refractive index is consistent with the powder coating standard refractive index.
Further, the method further comprises: s91: when the powder illumination refractive index is not consistent with the powder coating standard refractive index, performing deviation analysis according to the powder illumination refractive index and the powder coating standard refractive index to determine a powder uniformity deviation value; s92: and carrying out parameter inverse analysis based on a historical screening classification database according to the powder uniformity deviation value, and determining a control adjustment requirement.
Specifically, production control is performed after production control information is determined, in order to further improve product quality, when screening and grading treatment is performed, sampling detection is performed on screening and grading results, through connecting illumination monitoring equipment at a screening and grading outlet, wherein the screening and grading comprises a screening and floating detection box, a blowing equipment and a standard substance inserting moving port, an input port of the screening and floating detection box is connected with a screening and grading output port, blowing is performed on sample powder entering the screening and floating detection box through the blowing equipment, the set wind power is determined according to the size of powder granularity, the illumination detection equipment is provided with a light source for illumination of the screening and floating detection box, position movement is performed on the standard substance at different positions through the standard substance, optical refractive index calculation analysis is performed on the obtained powder illumination refractive index and the standard refractive index of the powder coating, whether the obtained powder illumination refractive index accords with the standard refractive index of the powder coating is judged, if the powder refractive index accords with the standard refractive index, the current powder granularity uniformity, particle roundness and the like are indicated to meet the standard requirements, if the refractive index difference conditions indicate that the powder does not accord with the standard requirements, the powder uniformity and the powder uniformity is not moved, the quality is required to be adjusted through the position of the screening and grading parameters or the screen is required to be adjusted again, or the quality of the screening and grading parameters are required to be adjusted, and the quality is guaranteed.
The standard refractive index of the powder coating is obtained through experiments of illumination detection equipment through standard products, in standard powder with the powder uniformity reaching the requirement, the refractive index obtained by the standard substance under the irradiation of a corresponding light source is compared with the detected refractive index, if the uniformity reaches the requirement, the refractive index is the same as or similar to the standard refractive index, if the uniformity does not meet the requirement, the refractive index changes, and meanwhile, the refractive index detection analysis can be carried out on materials with different particle size requirements and different powder physical properties according to the setting of different light source numbers and light source colors so as to meet different detection requirements.
The standard refractive index of the powder coating is matched according to the size of the powder granularity, experimental data are matched according to the size of each granularity, and the standard refractive index matched with the granularity is found for comparison.
When the powder illumination refractive index is not consistent with the standard refractive index of the powder coating, the current uniformity of the powder is not satisfied, deviation analysis is carried out on the powder illumination refractive index and the standard refractive index of the powder coating to obtain a refractive index deviation value existing between the currently detected powder and the standard, the difference of the uniformity of the powder is determined by the refractive index deviation value, and when the refractive index deviation is large, the uniformity deviation is indicated to be large, and the difference is in direct proportion to the difference. The powder uniformity deviation value is utilized to carry out parameter inverse analysis on a historical screening classification database, so that correction of the deviation value can be realized by carrying out parameter adjustment or processing on the deviation value, if the deviation value is too large, whether the deviation value is screen leakage is considered, if the deviation value is small, whether the wind power setting quantity is improper or not is considered, and the like parameter setting conditions can be considered, the control adjustment requirement is determined according to the obtained analysis result, the control parameters of the screening classification flow are adjusted, or the screen is replaced, so that the processing quality of each flow is ensured.
Further, the method comprises the steps of:
s101: performing traversal comparison according to the powder illumination refractive index and the powder coating standard refractive index, and determining deviation position information and deviation value information;
s102: and determining a powder coating detection result according to the distribution condition of the deviation position information and the deviation value information.
Specifically, when uniformity detection is performed on the sieved and graded powder, uniformity detection is performed on the powder at each position by moving a standard substance to insert the standard substance into the position of the floating powder, deviation position determination is performed on refractive index changes of the standard substance at different positions, after refractive index detection of all positions in a floating box is completed, refractive index deviations of all positions are marked to obtain deviation position information and refractive index deviation values, detection results of uniformity of powder coating are determined according to the distribution density and the magnitude of the deviation values, the wider and larger position distribution indicates that uniformity is worse, the larger refractive index deviation indicates that the distribution range is used as a first reference value and the magnitude of the refractive index deviation value is used as a second parameter value, weight calculation is performed on the refractive index deviation value by using three reference values through a weighting algorithm, and the algorithm can be used, but is not limited to a hierarchical analysis method and an entropy value method, weighting treatment is performed on the weight value and each reference value according to obtain a coating detection result, the powder is graded according to the coating detection result or the parameter in a sieving and grading process is controlled according to the size of the distribution density and the deviation value, uniformity control is performed on the powder, and uniformity is controlled, and uniformity is required to be controlled, and the uniformity is achieved.
Example 2
Based on the same inventive concept as the production control method of a powder coating material in the foregoing embodiments, an embodiment of the present application provides a production control system of a powder coating material, as shown in fig. 4, including:
a material information acquisition unit for acquiring powder coating processing material information;
the parameter matching unit is used for carrying out parameter matching from a production control parameter library according to the powder coating processing material information to determine a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation;
the production simulation unit is used for carrying out production simulation through a digital factory based on the matching control parameters, the production process flow and the powder coating processing material information and carrying out processing quality monitoring on the simulated production process to obtain a production process quality monitoring set;
the flow parameter constraint adjustment unit is used for obtaining powder coating application scene information and determining scene coating requirement performance parameters according to the powder coating application scene information; carrying out production process flow influence relation matching according to the scene coating required performance parameters, and determining related production process flows; adding the required performance parameters of the scene coating and the set flow constraint conditions of the related production process flows into the digital factory, and carrying out parameter control on the related production process flows according to the required performance parameter standards of the scene coating and the flow constraint conditions;
The processing quality judging unit is used for judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement;
the parameter adjusting unit is used for adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, and determining the flow control parameters;
and the control information determining unit is used for generating control information based on the flow control parameters and controlling production by utilizing the control information.
Further, the system further comprises:
the light detection unit is used for starting the illumination monitoring equipment when the production process flow is a sieving and grading flow, and carrying out light detection on the powder in sieving and grading by setting light source detection parameters to obtain the illumination refractive index of the powder;
a standard refractive index obtaining unit for obtaining a standard refractive index of the powder coating;
and the refractive index comparison unit is used for comparing the powder illumination refractive index with the powder coating standard refractive index, and determining control parameters of the sieving and grading flow when the powder illumination refractive index is consistent with the powder coating standard refractive index.
Further, the system further comprises:
The uniformity deviation determining unit is used for performing deviation analysis according to the powder illumination refractive index and the powder coating standard refractive index when the powder illumination refractive index is not consistent with the powder coating standard refractive index, and determining a powder uniformity deviation value;
and the sieving parameter adjusting unit is used for carrying out parameter inverse analysis based on the historical sieving classification database according to the powder uniformity deviation value and determining a control adjustment requirement.
Further, the production simulation unit includes:
the data acquisition unit is used for acquiring video information of production equipment and production and processing processes of the powder coating to obtain an equipment processing video set;
the modeling unit is used for extracting the characteristics of the equipment processing video set and carrying out 3D modeling by utilizing the extracted equipment processing characteristics through a digital factory technology;
the database construction unit is used for controlling the database to acquire historical processing parameters according to the powder coating processing material information so as to acquire a processing material production data set;
the simulation parameter processing unit is used for inputting the matching control parameters, the production process flow and the processing material production data set into a digital factory to perform production simulation;
The result prediction unit is used for training the processing result prediction model by utilizing the historical processing parameter control database, predicting and outputting the processing result of each process flow by the processing result prediction model to obtain production flow result prediction information, and storing the production flow result prediction information to obtain the production flow quality monitoring set.
Further, the parameter adjustment unit includes:
a process determining unit, configured to determine production process information based on process control parameters that do not meet the process quality requirement;
the influence factor acquisition unit is used for acquiring related influence factors based on the production flow information, wherein the related influence factors comprise the flow influence factors and the related flow influence factors;
a parameter determining unit for determining adjustment parameter information according to the flow process influence factor and the related flow process influence factor,
and the production simulation updating unit is used for adjusting the flow control parameters by utilizing the adjustment parameter information, re-simulating the production process to obtain an adjusted production flow quality monitoring set, and repeating the judgment until the flow quality requirement is met.
Further, the light detection unit includes:
the particle size data obtaining unit is used for obtaining the powder particle size requirement;
the particle size range determining unit is used for determining particle size range information according to the powder particle size requirement and powder coating processing material information;
the sieving wind power control unit is used for determining wind power setting information according to the granularity range information, and setting wind power to blow the sieving powder by using the wind power setting information so that the sieving powder floats in a sieving floating detection box;
the particle size refractive index matching unit is used for carrying out data matching from a standard substance experiment data set based on the powder particle size requirement to obtain matching standard particle size refractive information, wherein the matching standard particle size refractive information comprises various light source setting information, various standard substance position information and corresponding illumination refractive information;
the illumination parameter setting unit is used for setting light sources of the illumination monitoring equipment based on the plurality of light source setting information, and setting positions of standard objects in the sieving floating detection box based on the plurality of standard object position information to obtain illumination monitoring information;
and the refractive index analysis unit is used for carrying out illumination refractive index analysis according to the illumination monitoring information and determining the illumination refractive index of the powder.
Further, the system further comprises:
the deviation analysis unit is used for performing traversal comparison according to the powder illumination refractive index and the powder coating standard refractive index to determine deviation position information and deviation value information;
and the uniformity detection unit is used for determining a powder coating detection result according to the distribution condition of the deviation position information and the deviation value information.
The production control system for powder coating provided in the embodiment of the present application can implement any process of the production control method for powder coating in the first embodiment, please refer to the details of the first embodiment, and the details are not repeated here.
The specification and drawings are merely exemplary of the present application, which may be variously modified and combined without departing from the spirit and scope of the application. Such modifications and variations of the present application are intended to be included herein within the scope of the following claims and the equivalents thereof.
Claims (6)
1. A production control method of a powder coating, characterized by comprising:
obtaining powder coating processing material information;
performing parameter matching from a production control parameter library according to the powder coating processing material information, and determining a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation;
Based on the matching control parameters, the production process flow and the powder coating processing material information, carrying out production simulation through a digital factory and carrying out processing quality monitoring on the simulated production process to obtain a production flow quality monitoring set;
wherein, before obtaining the production flow quality monitoring set, the method further comprises: obtaining powder coating application scene information, and determining scene coating requirement performance parameters according to the powder coating application scene information;
carrying out production process flow influence relation matching according to the scene coating required performance parameters, and determining related production process flows;
adding the required performance parameters of the scene coating and the set flow constraint conditions of the related production process flows into the digital factory, and carrying out parameter control on the related production process flows according to the required performance parameter standards of the scene coating and the flow constraint conditions;
judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement;
adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, and determining the flow control parameters;
generating control information based on the flow control parameters, and controlling production by using the control information;
Wherein the method further comprises:
when the production process flow is a sieving and classifying flow, starting illumination monitoring equipment, and carrying out light detection on powder in sieving and classifying by setting light source detection parameters to obtain a powder illumination refractive index, wherein the method comprises the following steps:
obtaining the powder granularity requirement;
determining the particle size range information according to the powder particle size requirement and the powder coating processing material information;
determining wind power setting information according to the particle size range information, and setting wind power to blow the screened powder by using the wind power setting information so that the screened powder floats in a screened floating detection box;
carrying out data matching from a standard substance experiment data set based on the powder granularity requirement to obtain matching standard granularity refraction information, wherein the matching standard granularity refraction information comprises various light source setting information, various standard substance position information and corresponding illumination refraction information;
performing light source setting on the illumination monitoring equipment based on the plurality of light source setting information, and performing position setting on the standard substances in the sieving floating detection box based on the plurality of standard substance position information to obtain illumination monitoring information;
performing illumination refractive index analysis according to the illumination monitoring information to determine the powder illumination refractive index;
Obtaining a standard refractive index of the powder coating;
and comparing the powder illumination refractive index with the powder coating standard refractive index, and determining control parameters of the sieving and grading process when the powder illumination refractive index is consistent with the powder coating standard refractive index.
2. The method of claim 1, wherein the method further comprises:
when the powder illumination refractive index is not consistent with the powder coating standard refractive index, performing deviation analysis according to the powder illumination refractive index and the powder coating standard refractive index to determine a powder uniformity deviation value;
and carrying out parameter inverse analysis based on a historical screening classification database according to the powder uniformity deviation value, and determining a control adjustment requirement.
3. The method of claim 1, wherein generating a set of process quality monitors based on the matching control parameters, the production process flow, the powder coating process material information by a digital factory for production simulation and for process quality monitoring of simulated production processes, comprises:
acquiring video information of production equipment and production and processing processes of the powder coating to obtain an equipment processing video set;
Extracting features of the equipment processing video set, and performing 3D modeling by using the extracted equipment processing features through a digital factory technology;
according to the powder coating processing material information, historical processing parameter control database acquisition is carried out, and a processing material production data set is obtained;
inputting the matching control parameters, the production process flow and the processing material production data set into a digital factory to perform production simulation;
training a processing result prediction model by utilizing the historical processing parameter control database, predicting and outputting the processing result of each process flow by using the processing result prediction model to obtain production flow result prediction information, and storing the production flow result prediction information to obtain the production flow quality monitoring set.
4. The method of claim 1, wherein adjusting the flow control parameters that do not meet the flow quality requirement until the flow quality requirement is met, determining the flow control parameters comprises:
determining production flow information based on the flow control parameters which do not meet the flow quality requirements;
based on the production flow information, obtaining relevant influence factors, wherein the relevant influence factors comprise a flow influence factor and a relevant flow influence factor;
Determining adjustment parameter information according to the flow process influence factor and the related flow influence factor,
and adjusting the flow control parameters by utilizing the adjustment parameter information, re-simulating the production process to obtain an adjusted production flow quality monitoring set, and repeating the judgment until the flow quality requirement is met.
5. The method of claim 1, wherein the method comprises:
performing traversal comparison according to the powder illumination refractive index and the powder coating standard refractive index, and determining deviation position information and deviation value information;
and determining a powder coating detection result according to the distribution condition of the deviation position information and the deviation value information.
6. A production control system for powder paint, characterized in that it is applied in a method according to any one of claims 1-5, said system comprising:
a material information acquisition unit for acquiring powder coating processing material information;
the parameter matching unit is used for carrying out parameter matching from a production control parameter library according to the powder coating processing material information to determine a matching control parameter and a production process flow, wherein the production process flow and the matching control parameter have a mapping relation;
The production simulation unit is used for carrying out production simulation through a digital factory based on the matching control parameters, the production process flow and the powder coating processing material information and carrying out processing quality monitoring on the simulated production process to obtain a production process quality monitoring set;
the flow parameter constraint adjustment unit is used for obtaining powder coating application scene information and determining scene coating requirement performance parameters according to the powder coating application scene information; carrying out production process flow influence relation matching according to the scene coating required performance parameters, and determining related production process flows; adding the required performance parameters of the scene coating and the set flow constraint conditions of the related production process flows into the digital factory, and carrying out parameter control on the related production process flows according to the required performance parameter standards of the scene coating and the flow constraint conditions;
the processing quality judging unit is used for judging whether the quality of each production process in the production process quality monitoring set meets the process quality requirement;
the parameter adjusting unit is used for adjusting the flow control parameters which do not meet the flow quality requirements until the flow quality requirements are met, and determining the flow control parameters;
A control information determining unit for generating control information based on the flow control parameter, and controlling production by using the control information;
the light detection unit is used for starting the illumination monitoring equipment when the production process flow is a sieving and grading flow, and carrying out light detection on the powder in sieving and grading by setting light source detection parameters to obtain the illumination refractive index of the powder;
a standard refractive index obtaining unit for obtaining a standard refractive index of the powder coating;
the refractive index comparison unit is used for comparing the powder illumination refractive index with the powder coating standard refractive index, and determining control parameters of a sieving and grading process when the powder illumination refractive index is consistent with the powder coating standard refractive index;
the light detection unit includes:
the particle size data obtaining unit is used for obtaining the powder particle size requirement;
the particle size range determining unit is used for determining particle size range information according to the powder particle size requirement and powder coating processing material information;
the sieving wind power control unit is used for determining wind power setting information according to the granularity range information, and setting wind power to blow the sieving powder by using the wind power setting information so that the sieving powder floats in a sieving floating detection box;
The particle size refractive index matching unit is used for carrying out data matching from a standard substance experiment data set based on the powder particle size requirement to obtain matching standard particle size refractive information, wherein the matching standard particle size refractive information comprises various light source setting information, various standard substance position information and corresponding illumination refractive information;
the illumination parameter setting unit is used for setting light sources of the illumination monitoring equipment based on the plurality of light source setting information, and setting positions of standard objects in the sieving floating detection box based on the plurality of standard object position information to obtain illumination monitoring information;
and the refractive index analysis unit is used for carrying out illumination refractive index analysis according to the illumination monitoring information and determining the illumination refractive index of the powder.
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