Intelligent shoe production line sole spraying control method and system

Abstract

The present invention discloses a sole spraying control method and system for an intelligent shoemaking production line, and relates to the technical field of sole spraying control. The sole spraying control method for the intelligent shoemaking production line obtains and preprocesses the state data of the sole to be sprayed and performs data analysis to obtain the spraying category index of the sole to be sprayed; and performs matching analysis with a preset spraying category index range interval, and takes spraying measures for the sole to be sprayed based on the analysis result; obtains the sole spraying state data after the spraying is completed and performs quality judgment analysis. The present invention enables the production line to automatically adjust the spraying parameters to adapt to the specific needs of different soles, thereby reducing human intervention and operation errors. The automated data analysis and spraying category matching mechanism ensure that each sole is processed in the most suitable manner, significantly improving production efficiency and product consistency, and can ensure that the spraying quality of each sole reaches the preset standard, thereby reducing the scrap rate and improving the overall product quality.

Description

Technical Field

[0001] The present invention relates to the technical field of sole spraying control, and in particular to a sole spraying control method and system for an intelligent shoemaking production line. Background Art

[0002] In the modern footwear manufacturing industry, the sole spraying process is a key step to improve product performance and appearance quality. Traditional sole spraying methods usually rely on manual operation or semi-automatic equipment, which have limitations in accuracy, repeatability, material utilization and production efficiency. As the market's requirements for footwear product quality and production efficiency increase, traditional methods are gradually unable to meet modern efficient and refined production needs.

[0003] Traditional spraying technology is often limited by the skills of operators and the basic functions of equipment, resulting in large differences in spraying results between different batches, and even between different products in the same batch. This inconsistency may affect the overall quality and performance of the product. Due to the lack of precise control, the traditional spraying process often leads to excessive use or uneven distribution of paint, resulting in significant material waste. This not only increases production costs, but also creates an unnecessary burden on the environment.

[0004] Manual or semi-automatic spraying equipment usually requires a long time to set up and adjust, especially when producing diversified products. This inefficient production mode limits the flexibility and response speed of the production line, making it difficult to adapt to the rapidly changing market demand.

[0005] Based on the above scheme, it is found that the limitations of the existing technology include at least the following problems. First, in the traditional sole spraying process, it is often limited to using standardized spraying parameters to process all types of soles, and fails to conduct in-depth analysis based on the specific characteristics of each sole. As a result, although the spraying equipment can meet general needs in theory, in actual operation, it is difficult to achieve the best spraying effect due to the differences in various sole materials and structures. For example, sole materials with different densities and porosities have different absorption capacities for spraying agents. Secondly, due to the lack of specific analysis of the surface state of each sole, traditional methods perform poorly when dealing with soles with complex surface textures or irregular shapes. In this case, the standard spraying strategy is likely to result in incomplete spraying coverage or excessive spraying, resulting in material waste, while also increasing the difficulty and cost of subsequent processing. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a sole spraying control method and system for an intelligent shoemaking production line, which solves the problem that in traditional sole spraying processes, the process is often limited to using standardized spraying parameters to process all types of soles, but fails to conduct in-depth analysis based on the specific characteristics of each sole, which easily leads to the fact that although the spraying equipment can meet general needs in theory, in actual operation, it is difficult to achieve the best spraying effect due to the differences in various sole materials and structures. For example, sole materials with different densities and porosities have different absorption capacities for spraying agents. Secondly, due to the lack of specific analysis of the surface state of each sole, traditional methods perform poorly when dealing with soles with complex surface textures or irregular shapes. In this case, the standard spraying strategy is likely to result in incomplete spray coverage or excessive spraying, resulting in material waste, while also increasing the difficulty and cost of subsequent processing.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a sole spraying control method for an intelligent shoemaking production line, comprising the following steps: acquiring and preprocessing the state data of the sole to be sprayed, wherein the state data includes the sole material data and the sole surface data; performing data analysis on the state data of the sole to be sprayed after preprocessing to obtain the absorption rate index, surface roughness index, shape complexity index and area index of the sole to be sprayed; performing comprehensive analysis on the absorption rate index, surface roughness index, shape complexity index and area index of the sole to be sprayed to obtain the spraying category index of the sole to be sprayed; The spray category index of the shoe sole to be sprayed is matched and analyzed with the preset spray category index range, and corresponding spray measures are taken for the shoe sole to be sprayed based on the matching analysis results; after the spraying is completed, the shoe sole spraying status data is obtained and the data is analyzed to obtain the shoe sole spraying quality index; it is determined whether the shoe sole spraying quality index is within the preset spraying quality threshold range; if the shoe sole spraying quality index is within the preset spraying quality threshold range, the sprayed shoe sole is marked as qualified; if the shoe sole spraying quality index is outside the preset spraying quality threshold range, the sprayed shoe sole is marked as unqualified.

[0008] Furthermore, the sole material data specifically include a sole density value and a sole porosity value, and the sole surface data specifically include a sole area value of a sprayed surface of the sole, a sole circumference value, and height values ​​of several measuring points.

[0009] Furthermore, the specific steps for obtaining the spray category index of the sole to be sprayed are as follows: read the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed and perform standardization processing; conduct a comprehensive analysis on the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed after standardization processing to obtain the spray category index of the sole to be sprayed.

[0010] Furthermore, the specific formula for calculating the spray category index of the shoe sole to be sprayed is as follows: ;in, is the spray category index of the shoe sole to be sprayed, is the absorption index of the sole to be sprayed after standardized treatment, is the absorption coefficient stored in the database, is the surface roughness index of the shoe sole to be sprayed after standardized treatment. is the roughness coefficient stored in the database, is the shape complexity index of the sole to be sprayed after standardization. is the shape coefficient stored in the database, is the area index of the sole to be sprayed after standardized treatment, is the area coefficient stored in the database, , is a natural constant.

[0011] Furthermore, the specific steps of obtaining the absorption rate index of the sole to be sprayed are as follows: the sole density value and the sole porosity value of the pre-treated sole to be sprayed are read, and a comprehensive analysis is performed to obtain the absorption rate index of the sole to be sprayed, and the calculation formula is as follows: ;in, is the absorption index of the shoe sole to be sprayed, is the density value of the sole to be sprayed, is the porosity value of the sole to be sprayed.

[0012] Furthermore, the specific steps of obtaining the surface roughness index of the sole to be sprayed are as follows: reading the height values ​​of several measuring points of the pretreated sole to be sprayed, and performing mean analysis to obtain the height mean of the sole to be sprayed; performing comprehensive analysis on the height value of each measuring point of the pretreated sole to be sprayed and the height mean, respectively, to obtain the surface roughness index of the sole to be sprayed; wherein, the calculation formula for calculating the height mean and the surface roughness index of the sole to be sprayed is as follows: ;in, is the average height of the sole to be sprayed, For the sole to be sprayed The height value of each measuring point, is the surface roughness index of the sole to be sprayed, For the sole to be sprayed The weighting coefficient of the difference between the height value of each measuring point and the mean height, For the sole to be sprayed The height value of each measuring point, For the sole to be sprayed The weighting coefficient of the difference between the height value of each measuring point and the mean height, , , is the number of measurement points.

[0013] Furthermore, the specific steps for obtaining the shape complexity index of the sole to be sprayed are as follows: for the height value of each measuring point of the sole to be sprayed, respectively, a comprehensive analysis is performed with the height value of each measuring point in the set neighborhood to obtain the average of the neighborhood height difference of each measuring point of the sole to be sprayed; the average of the neighborhood height difference of each measuring point of the sole to be sprayed is comprehensively analyzed to obtain the shape complexity index of the sole to be sprayed; wherein, the calculation formula for calculating the average of the neighborhood height difference of each measuring point of the sole to be sprayed and the shape complexity index is as follows: ;in, For the sole to be sprayed The average height difference of the neighborhood of the measurement points, For the sole to be sprayed The height value of each measuring point, For the sole to be sprayed The first measurement point in the set neighborhood The height value of each measuring point, is the shape complexity index of the sole to be sprayed, , To set the number of measurement points in the neighborhood, , is the number of measurement points.

[0014] Furthermore, the specific steps for obtaining the area index of the sole to be sprayed are as follows: obtain the minimum circumscribed rectangle area value and the minimum circumscribed rectangle perimeter value of the sole to be sprayed, and respectively combine the sole area value and the sole perimeter value of the sole spraying surface of the sole to be sprayed for comprehensive analysis to obtain the area index of the sole to be sprayed, and the calculation formula is as follows: ;in, is the area index of the sole to be sprayed, is the sole area value of the sole spraying surface of the sole to be sprayed, is the minimum circumscribed rectangle area of ​​the sole to be sprayed, is the circumference of the sole spraying surface of the sole to be sprayed, It is the minimum perimeter of the circumscribed rectangle of the shoe sole to be sprayed.

[0015] Further, the sole spraying state data includes the spraying area value of the sole spraying surface after spraying and the spraying thickness value of each spraying measurement point. After spraying, the sole spraying state data is obtained and data analysis is performed to obtain the sole spraying quality index. The specific steps are as follows: obtaining the spraying area reference value and the spraying thickness reference value of the sole spraying surface; comprehensively analyzing the spraying area value of the sole spraying surface after spraying and the spraying thickness value of each spraying measurement point in combination with the spraying area reference value and the spraying thickness reference value of the sole spraying surface to obtain the sole spraying area quality index and the sole spraying thickness quality index; comprehensively analyzing the sole spraying area quality index and the sole spraying thickness quality index to obtain the sole spraying quality index; wherein, the specific formulas for calculating the sole spraying area quality index, the sole spraying thickness quality index and the sole spraying quality index are as follows: ;in, It is the quality index of the sole spraying area. It is the spraying area value of the spraying surface of the sole after spraying. is the reference value of the spraying area of ​​the sole spray surface. It is the quality index of the thickness of the sole spraying. The first spray surface of the shoe sole after spraying. The spraying thickness value of each spraying measurement point, It is the reference value of the spraying thickness of the spraying surface of the sole. It is the quality index of sole spraying. is the spraying area coefficient stored in the database, is the spraying thickness coefficient stored in the database, , , It is the number of spray measurement points on the spray surface of the sole after spraying.

[0016] The sole spraying control system of the intelligent shoe production line includes: a first data acquisition module, an index analysis module, a category analysis module, a spraying module, a second data acquisition module, a spraying quality analysis module, and a judgment module; the first data acquisition module is used to acquire and preprocess the state data of the sole to be sprayed, and the state data includes the sole material data and the sole surface data; the index analysis module is used to perform data analysis on the state data of the sole to be sprayed after preprocessing, and obtain the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed; the category analysis module is used to perform a comprehensive analysis on the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed, and obtain the spraying category index of the sole to be sprayed ; The spraying module is used to match and analyze the spraying category index of the sole to be sprayed with the preset spraying category index range, and take corresponding spraying measures for the sole to be sprayed based on the matching analysis results; the second data acquisition module is used to obtain the sole spraying status data after the spraying is completed; the spraying quality analysis module is used to analyze the sole spraying status data and obtain the sole spraying quality index; the judgment module is used to judge whether the sole spraying quality index is within the preset spraying quality threshold range. If the sole spraying quality index is within the preset spraying quality threshold range, the sprayed sole is marked as qualified; if the sole spraying quality index is outside the preset spraying quality threshold range, the sprayed sole is marked as unqualified.

[0017] The present invention has the following beneficial effects:

[0018] (1) The sole spraying control method of the intelligent shoe production line enables the production line to automatically adjust the spraying parameters to adapt to the specific needs of different soles, thereby reducing human intervention and operating errors. The automated data analysis and spraying category matching mechanism ensures that each sole is processed in the most suitable manner, significantly improving production efficiency and product consistency, and further ensuring that the spraying quality of each sole reaches the preset standard, thereby reducing the scrap rate and improving the overall product quality.

[0019] (2) The sole spraying control method of the intelligent shoe production line ensures the optimal use of spraying materials by accurately controlling the spraying area and thickness, avoiding excessive or insufficient spraying materials. By accurately calculating and controlling the spraying area and thickness, it not only ensures the uniformity and functionality of the coating, but also greatly reduces material waste. This not only improves the utilization efficiency of materials, but also correspondingly reduces production costs and environmental burdens, bringing both economic benefits and environmental protection advantages to enterprises.

[0020] (3) The sole spraying control method of the intelligent shoe production line enables the production line to quickly respond to market changes and customer needs and provide customized spraying solutions, which not only enhances the company's market competitiveness but also improves customer satisfaction. Customized spraying can meet the specific requirements of different customers for sole performance and aesthetics, thereby enhancing the product's attractiveness and market share.

[0021] (4) The sole spraying control system of the intelligent shoe production line, through its highly integrated modular design, can significantly improve the flexibility and accuracy of customized spraying for different customers and market needs. By accurately collecting and analyzing detailed data of the soles and converting these data into specific spraying category indexes, each spraying can be accurately matched to the specific characteristics of the soles. This not only ensures the optimal use of materials and consistency of quality during the spraying process, but also allows the production line to quickly adjust spraying parameters and strategies when faced with orders with special requirements or complex designs without human intervention.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a flow chart of the sole spraying control method of the intelligent shoe production line of the present invention.

[0024] Figure 2 The present invention is a flowchart of the specific steps of obtaining the spraying category index of the sole to be sprayed in the sole spraying control method of the intelligent shoe production line of the present invention.

[0025] Figure 3 This is a block diagram of the sole spraying control system of the intelligent shoe production line of the present invention. DETAILED DESCRIPTION

[0026] The embodiments of the present application solve the problem that in traditional sole spraying processes, standardized spraying parameters are often used to process all types of soles, but in-depth analysis is not conducted based on the specific characteristics of each sole. This easily leads to the fact that although the spraying equipment can meet general needs in theory, in actual operation, it is difficult to achieve the best spraying effect due to the differences in various sole materials and structures. For example, sole materials with different densities and porosities have different absorption capacities for spraying agents. Secondly, due to the lack of specific analysis of the surface state of each sole, traditional methods perform poorly when dealing with soles with complex surface textures or irregular shapes. In this case, standard spraying strategies are likely to result in incomplete spraying coverage or excessive spraying, resulting in material waste, while also increasing the difficulty and cost of subsequent processing.

[0027] The overall idea of ​​the problem in the embodiment of this application is as follows:

[0028] First, the original state data of the sole is collected, including material properties (such as density and porosity) and surface properties (such as area and circumference). These data are preprocessed and prepared for further analysis. The preprocessed data is analyzed in detail to calculate the absorption rate index, surface roughness index, shape complexity index and area index. These indexes reflect the specific spraying requirements and characteristics of the sole. The calculated indexes are comprehensively analyzed to obtain a spraying category index, which is matched with the preset spraying category range. According to the matching results, the most suitable spraying measures are determined and implemented, such as adjusting the spraying trajectory, speed and pressure. After the spraying is completed, the sole data after spraying is obtained, including the spraying area and the thickness of each measuring point, and compared with the preset quality standards to evaluate whether the spraying quality meets the standards. According to the spraying quality evaluation results, the soles are marked as qualified or unqualified to ensure that only products that meet the standards can enter the next production stage or market.

[0029] See also Figure 1 The embodiment of the present invention provides a technical solution: a sole spraying control method for an intelligent shoe production line, comprising the following steps: obtaining and preprocessing the state data of the sole to be sprayed, the state data including the sole material data and the sole surface data; performing data analysis on the state data of the sole to be sprayed after preprocessing to obtain the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed; performing comprehensive analysis on the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed to obtain the spraying category index of the sole to be sprayed; and calculating the spraying category index of the sole to be sprayed. Perform a matching analysis with the preset spray category index range interval, and take corresponding spraying measures for the sole to be sprayed based on the matching analysis results (trajectory spraying time 9-11S); after the spraying is completed, obtain the sole spraying status data and perform data analysis to obtain the sole spraying quality index; determine whether the sole spraying quality index is within the preset spraying quality threshold range; if the sole spraying quality index is within the preset spraying quality threshold range, mark the sprayed sole as qualified; if the sole spraying quality index is outside the preset spraying quality threshold range, mark the sprayed sole as unqualified.

[0030] The sole material data specifically include the sole density value and the sole porosity value, and the sole surface data specifically include the sole area value of the sole spray surface, the sole circumference value, and the height values ​​of several measurement points.

[0031] Among them, the sole area value and the sole circumference value use 3D scanning technology to capture their complete three-dimensional model, and the area and circumference are calculated through analysis software, and the height value is obtained using laser or non-contact measuring instruments.

[0032] Examples of spray category index ranges are as follows:

[0033] First spray category index range: 0-0.30 (suitable for low absorption and low roughness soles).

[0034] The second spray category index range is 0.31-0.60 (suitable for soles with medium absorption rate and medium roughness).

[0035] The third spray category index range is 0.61-0.90 (suitable for soles with high absorption rate and high roughness).

[0036] Examples of spraying measures include:

[0037] The first glue spraying measure: standard covering measure (suitable for soles of ordinary materials, which need basic glue covering).

[0038] Spraying trajectory: linear reciprocating (the trajectory is pre-set).

[0039] Spraying range: the entire sole surface.

[0040] Spraying speed: 15cm / s.

[0041] Spraying pressure: 3.5 bar.

[0042] Nozzle Type: Flat nozzle.

[0043] Spraying time: 10 seconds total.

[0044] Glue type: general polyurethane glue.

[0045] Second glue spraying measure: fine covering measure (suitable for soles with complex textures or high roughness, which require precise control of glue covering details).

[0046] Spraying trajectory: spiral (the trajectory is pre-set).

[0047] Spraying range: the raised and patterned areas of the sole (the spraying position point is pre-set and consistent with the position point of the sole to be sprayed).

[0048] Spraying speed: 10cm / s.

[0049] Spraying pressure: 4.0bar.

[0050] Nozzle Type: Precision Nozzle.

[0051] Spraying time: 12 seconds total.

[0052] Glue Type: High viscosity polyurethane glue.

[0053] The third glue spraying measure: quick covering measure (suitable for soles with large areas and high absorption rates, which need to be covered with glue quickly).

[0054] Spraying track: Grid type (its track is pre-set).

[0055] Spraying range: the entire sole surface.

[0056] Spraying speed: 25cm / s.

[0057] Spraying pressure: 2.5bar.

[0058] Nozzle Type: Wide nozzle.

[0059] Spraying time: 8 seconds total.

[0060] Glue Type: Quick-drying polyurethane glue.

[0061] Specifically, Figure 2 As shown, the specific steps for obtaining the spray category index of the sole to be sprayed are as follows: read the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed and perform standardization processing (i.e., removing the unit); comprehensively analyze the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed after the standardization processing to obtain the spray category index of the sole to be sprayed.

[0062] The specific formula for calculating the spray category index of the sole to be sprayed is as follows: ;in, is the spray category index of the shoe sole to be sprayed, is the absorption index of the sole to be sprayed after standardized treatment, is the absorption coefficient stored in the database, is the surface roughness index of the shoe sole to be sprayed after standardized treatment. is the roughness coefficient stored in the database, is the shape complexity index of the sole to be sprayed after standardization. is the shape coefficient stored in the database, is the area index of the sole to be sprayed after standardized treatment, is the area coefficient stored in the database, , is a natural constant.

[0063] It needs to be explained that , , , The specific calculation process is:

[0064] Acquire sole status data of several soles of the same type as the soles to be sprayed (including sole material data and sole surface data, the sole material data specifically includes the sole density value and the sole porosity value, the sole surface data specifically includes the sole area value of the sole spray surface and the height values ​​of several measuring points, the same type means that the sole material data and sole surface data are similar).

[0065] The sole status data of each sole type of the same type as the sole to be sprayed are analyzed separately to obtain the absorption rate index, surface roughness index, shape complexity index and area index of each sole type of the same type as the sole to be sprayed, and mean analysis is performed to obtain the mean of the absorption rate index, the mean of the surface roughness index, the mean of the shape complexity index and the mean of the area index, and then standardized (i.e., unit removal) is performed.

[0066] The standardized mean absorptivity index, surface roughness index, shape complexity index and area index are summed and analyzed to obtain categories and values. Then the standardized mean absorptivity index, surface roughness index, shape complexity index and area index are respectively analyzed in proportion to the categories and values, and the analysis results are the corresponding coefficients.

[0067] In this embodiment, by acquiring and analyzing the detailed status data of the sole to be sprayed (including absorption rate, surface roughness, shape complexity and area), the method can accurately adjust the spraying strategy to adapt to the specific conditions of each sole. This method makes the control of the spraying process more refined and personalized, greatly improves the spraying accuracy, ensures the uniformity and quality of the coating, thereby reducing material waste and improving the overall aesthetics and durability of the product. By analyzing historical data sets to determine the historical sole types similar to the current sole to be sprayed, and then obtaining the standardized mean of each index through mean analysis, this data-based method makes the calculation of the spraying category index more objective and scientific, which not only reduces human errors, but also makes production decisions more dependent on reliable data support. This method also allows the production line to quickly adapt to different production variables and market demands, improving production Flexibility. Through the automated category analysis module, the production line can quickly assign the soles to the correct spraying category, and then automatically adjust the spraying parameters such as trajectory, speed and pressure. This fast adjustment capability reduces the machine's idle time and the time required for manual adjustment, thereby greatly improving production efficiency. At the same time, this method has a fast response speed and can provide instant feedback on any problems that arise during the spraying process, so that the problems can be quickly resolved and the continuity of the production process can be maintained. Through systematic precise control and efficient spraying process, the quality of the final product is guaranteed, and the consistency and reliability of the product are improved, which not only enhances the company's market competitiveness, but also meets consumers' demand for high-quality footwear products. Better product quality also means lower return rates and higher customer satisfaction, which is extremely important for brand reputation and customer loyalty.

[0068] Specifically, the specific steps for obtaining the absorption rate index of the sole to be sprayed are as follows: the sole density value and the sole porosity value of the pre-treated sole to be sprayed are read, and a comprehensive analysis is performed to obtain the absorption rate index of the sole to be sprayed, and the calculation formula is as follows: ;in, is the absorption index of the shoe sole to be sprayed, is the density value of the sole to be sprayed, is the porosity value of the sole to be sprayed.

[0069] It should be explained that the sole density value is the mass of material per unit volume, which is obtained by analyzing the ratio of mass to volume.

[0070] The porosity value of the sole refers to the proportion of the pore volume inside the material to the total volume, which is specifically obtained by analyzing the ratio of the pore volume to the total volume. The pore volume is determined by physical experiments (such as water level measurement or gas displacement), and the total volume is the actual volume of the material sample, which can be obtained by volume measurement or from CAD model data.

[0071] In this embodiment, the precise measurement of the sole density value and porosity value required to calculate the absorption index allows the shoe production line to have a deep understanding of the characteristics of each sole material. Density and porosity are key parameters that determine how the material interacts with the spray, directly affecting the absorption and adhesion performance of the spray. By accurately analyzing these values, the production line can better adjust the spraying strategy to ensure that the spray can cover the different types of soles evenly and effectively. Adjusting the spraying parameters (such as spraying amount, pressure and speed) based on the absorption index can significantly reduce material waste and improve coverage efficiency. For materials with high porosity, it may be necessary to increase the spraying amount or adjust the viscosity of the spray to ensure adequate coverage, while for materials with high density For higher materials, it is necessary to consider how to effectively distribute the spray agent evenly. This precise adjustment not only saves costs, but also improves the environmental sustainability of production. By adjusting the spraying parameters according to the physical characteristics of each sole, it can be ensured that each sole obtains the best spraying effect. This method improves the overall quality of the product and reduces quality problems caused by improper spraying, such as coating shedding or unevenness. Ultimately, this will lead to higher consumer satisfaction and brand reputation. This method reduces the need for manual intervention and downtime caused by manual adjustment of parameters through automated data analysis and spraying adjustments. This ability to respond quickly and adjust automatically enables the production line to run continuously, improving production throughput and efficiency.

[0072] Specifically, the specific steps for obtaining the surface roughness index of the sole to be sprayed are as follows: read the height values ​​of several measuring points of the pretreated sole to be sprayed, and perform mean analysis to obtain the height mean of the sole to be sprayed; perform comprehensive analysis on the height value of each measuring point of the pretreated sole to be sprayed and the height mean to obtain the surface roughness index of the sole to be sprayed.

[0073] The calculation formulas for calculating the height mean and surface roughness index of the shoe sole to be sprayed are as follows: ;in, is the average height of the sole to be sprayed, For the sole to be sprayed The height value of each measuring point, is the surface roughness index of the sole to be sprayed, For the sole to be sprayed The weighting coefficient of the difference between the height value of each measuring point and the mean height, For the sole to be sprayed The height value of each measuring point, For the sole to be sprayed The weighting coefficient of the difference between the height value of each measuring point and the mean height, , , is the number of measurement points.

[0074] It needs to be explained that , The specific calculation method is: The difference between the height value of the first measuring point and the average height and the height of the sprayed shoe sole The difference between the height value of each measuring point and the mean height is summed and analyzed to obtain the height of the sole to be sprayed. The height difference and value of the first measuring point are then The difference between the height value of the first measuring point and the average height and the height of the sprayed shoe sole The difference between the height value of each measuring point and the mean height is respectively related to the height of the first The height difference and value of each measuring point are ratio analyzed, and the analysis result is the corresponding weighting coefficient.

[0075] In this embodiment, the precise calculation of the surface roughness index allows the spray system to adapt to the microstructure of the sole surface, which is crucial for the adhesion of the coating. The appropriate increase in roughness can enhance the mechanical bond between the coating and the sole material, thereby improving the durability and durability of the coating. By precisely controlling the spray parameters to adapt to the surface roughness, premature shedding or wear of the coating can be avoided, thereby improving the performance of the product in actual use. By conducting a detailed analysis of the surface roughness of each sole and calculating its roughness index, the production line can ensure that all soles are treated to the same standard, thereby ensuring product consistency. This method is particularly suitable for high-quality and high-standard production needs, ensuring that each product meets the company's quality standards, which not only It improves customer satisfaction and strengthens the brand's market competitiveness. By understanding the specific roughness index of each sole, the spray control system can adjust parameters such as spray pressure, speed and paint viscosity to treat the sole in the most suitable way. This optimization can reduce overspray and material waste while ensuring uniform and flawless coating coverage. Precise process control not only improves material utilization efficiency, but also helps reduce production costs. This method quickly determines spray strategies through automated data collection and analysis, reducing the time required for manual testing and adjustments. This rapid response capability allows the production line to process more soles in a short period of time, improving overall production throughput while also reducing production delays caused by adjusting parameters.

[0076] Specifically, the specific steps for obtaining the shape complexity index of the sole to be sprayed are as follows: for the height value of each measuring point of the sole to be sprayed, a comprehensive analysis is performed with the height value of each measuring point in a set neighborhood (for example, a circular neighborhood with a radius of 1 cm) to obtain the average neighborhood height difference value of each measuring point of the sole to be sprayed; the shape complexity index of the sole to be sprayed is obtained by comprehensively analyzing the average neighborhood height difference value of each measuring point of the sole to be sprayed.

[0077] The calculation formula for calculating the mean value of the neighborhood height difference and the shape complexity index of each measurement point of the sole to be sprayed is as follows: ;in, For the sole to be sprayed The average height difference of the neighborhood of the measurement points, For the sole to be sprayed The height value of each measuring point, For the sole to be sprayed The first measurement point in the set neighborhood The height value of each measuring point, is the shape complexity index of the sole to be sprayed, , To set the number of measurement points in the neighborhood, , is the number of measurement points.

[0078] In this embodiment, the shape complexity index provides a quantitative measure of the undulations and complexity of the sole surface, which enables the spray system to more accurately adapt to the specific shape of the sole. By considering the height difference between each measurement point and its surrounding neighborhood, the method can identify slight changes in the sole surface and adjust the spray strategy, such as changing the spray angle, speed or coating thickness to ensure that the complex surface is evenly covered. This customized spraying not only improves the quality of the coating, but also ensures that each part of the sole is properly treated according to its unique shape. By accurately calculating the shape complexity index, the spray control system can apply more paint where it is needed and reduce the use of paint where it is not needed. This ability to adjust the amount of material according to actual needs not only improves the material It not only improves the utilization efficiency, but also reduces the waste caused by overspraying. In addition, it helps to avoid additional processes and costs caused by unnecessary repeated spraying. If the soles with complex shapes are not sprayed evenly, they may show uneven wear of the coating during use, which will affect the appearance and service life of the shoes. By ensuring that areas with higher shape complexity receive proper spraying treatment, not only the appearance quality of the product is improved, but also the overall durability of the coating is enhanced, making the product more competitive in the market. Automatic analysis of the shape complexity of the soles and adjustment of the spraying parameters accordingly reduce the need for manual intervention in the production process. This highly automated method improves production efficiency, reduces labor costs, and reduces inconsistencies and potential quality problems caused by human operating errors.

[0079] Specifically, the specific steps for obtaining the area index of the sole to be sprayed are as follows: obtain the minimum circumscribed rectangle area value and the minimum circumscribed rectangle perimeter value of the sole to be sprayed, and respectively combine the sole area value and the sole perimeter value of the sole spraying surface of the sole to be sprayed for comprehensive analysis to obtain the area index of the sole to be sprayed, and the calculation formula is as follows: ;in, is the area index of the sole to be sprayed, is the sole area value of the sole spraying surface of the sole to be sprayed, is the minimum circumscribed rectangle area of ​​the sole to be sprayed, is the circumference of the sole spraying surface of the sole to be sprayed, It is the minimum perimeter of the circumscribed rectangle of the shoe sole to be sprayed.

[0080] It should be explained that the specific method for obtaining the minimum circumscribed rectangle area value and the minimum circumscribed rectangle perimeter value of the shoe sole to be sprayed is:

[0081] First a high-quality image of the sole is obtained, usually through high-resolution scanning or photography.

[0082] The image is grayscaled, binarized, and noise removed to more accurately extract the sole boundary.

[0083] Use an edge detection algorithm (such as Canny edge detection) to extract the outline of the sole.

[0084] The minimum enclosing rectangle around the extracted contour is calculated, which is implemented by the minAreaRect function in image processing libraries such as OpenCV. This function finds the minimum enclosing rectangle that can be rotated arbitrarily and analyzes the area and perimeter of the minimum enclosing rectangle, that is, obtains the minimum enclosing rectangle area value and the minimum enclosing rectangle perimeter value.

[0085] In this embodiment, the area index of the sole to be sprayed is calculated, especially by comparing the actual spraying area of ​​the sole with its minimum circumscribed rectangular area, which can provide key information about the efficiency of sole spraying. This analysis helps to determine whether the spraying operation effectively covers the entire sole surface, thereby ensuring the uniformity and integrity of the coating. Effectively controlling the spraying range and accurately adjusting the spraying parameters to adapt to the actual shape of the sole can significantly improve the spraying quality and reduce material waste caused by uncovered areas or excessive coverage. By accurately calculating the minimum circumscribed rectangular area and perimeter of the sole and comparing them with the actual spraying area and perimeter, the production system can more accurately evaluate the amount of material required. This precise quantitative analysis helps to avoid overspraying and ensures that enough paint is used to cover the sole without causing excess, thereby optimizing material use and reducing production costs. The area index is obtained through a fixed calculation process, and the production process can be standardized. Standardization, the quality control of each spraying is more stringent and unified. This standardization not only improves the consistency of product quality, but also increases the predictability of the production process, so that production scheduling and material procurement can be planned more accurately according to actual production needs. The use of high-precision image processing technology (such as Canny edge detection) and advanced image analysis software (such as OpenCV) can not only improve the measurement accuracy of the sole area and circumference, but also provide feedback in the product design stage to help designers understand how a specific design affects the spraying process and material usage. This technical feedback can be used to optimize product design to improve manufacturing efficiency and product performance. The use of the minimum enclosing rectangle provides a way to simplify the analysis of complex shapes, so that even irregularly shaped soles can be effectively sprayed, which is an important competitive advantage for the modern footwear market with changing designs and personalized needs.

[0086] Specifically, the sole spraying status data includes the spraying area value of the sole spraying surface after spraying and the spraying thickness value of each spraying measurement point. After spraying, the sole spraying status data is obtained and data analysis is performed to obtain the sole spraying quality index. The specific steps are as follows: obtain the spraying area reference value and the spraying thickness reference value of the sole spraying surface; comprehensively analyze the spraying area value of the sole spraying surface after spraying and the spraying thickness value of each spraying measurement point in combination with the spraying area reference value and the spraying thickness reference value of the sole spraying surface to obtain the sole spraying area quality index and the sole spraying thickness quality index; comprehensively analyze the sole spraying area quality index and the sole spraying thickness quality index to obtain the sole spraying quality index.

[0087] Among them, the specific formulas for calculating the sole spraying area quality index, sole spraying thickness quality index, and sole spraying quality index are as follows: ;in, It is the quality index of the sole spraying area. It is the spraying area value of the spraying surface of the sole after spraying. is the reference value of the spraying area of ​​the sole spray surface. It is the quality index of the thickness of the sole spraying. The first spray surface of the shoe sole after spraying. The spraying thickness value of each spraying measurement point, It is the reference value of the spraying thickness of the spraying surface of the sole. It is the quality index of sole spraying. is the spraying area coefficient stored in the database, is the spraying thickness coefficient stored in the database, , , It is the number of spray measurement points on the spray surface of the sole after spraying.

[0088] It should be explained that the reference value of the spray area of ​​the spray surface of the sole is obtained from the specifications in the product design documents.

[0089] The reference value of the spray thickness of the spray surface of the sole is obtained from the product specification. This value is based on the performance requirements and durability requirements of the material and is usually determined by material engineers and designers during the product development stage.

[0090] , The specific calculation process is: standardize the spraying area reference value and spraying thickness reference value of the sprayed surface of the sole (i.e. remove the unit), and perform sum analysis after standardization to obtain the spraying reference sum value, and then perform ratio analysis with the spraying reference sum value of the sprayed area reference value and spraying thickness reference value of the sprayed surface of the sole after standardization, and the analysis result is the corresponding coefficient.

[0091] In this embodiment, by comparing the actual spraying area and thickness with the preset reference values, the system can accurately monitor the quality of the spraying process. This method ensures that each sprayed sole meets the established quality standards, thereby ensuring product consistency and reliability. Through precise quality control, rework or scrap caused by quality problems can be reduced, production efficiency can be improved and costs can be reduced. Accurate spraying area and thickness measurement makes it possible to optimize the use of spraying materials. Based on the comparison results between the actual spraying area and the preset area, the output of the sprayer can be adjusted to ensure just the right amount of material application, avoiding waste and ensuring adequate coverage. This optimization not only saves costs, but also improves environmental sustainability because it reduces material consumption and potential environmental impacts. By ensuring that the spraying thickness meets the design specifications, the performance and durability of the product can be improved. Appropriate spraying thickness The degree helps to improve the product's waterproofness, wear resistance and aesthetics, which are quality indicators that consumers value. It meets consumers' expectations for high-quality shoe products and directly enhances brand image and market competitiveness. This method can monitor production quality in real time, quickly identify and correct any deviations by automatically acquiring data after spraying and analyzing it instantly. This real-time feedback mechanism allows rapid adjustments in the production process, reduces potential error spread, and supports continuous improvement and optimization. Automated data processing and analysis reduces reliance on manual inspections and improves the overall efficiency and response speed of the production line. Long-term collection and analysis of spray quality data can reveal trends and patterns in the production process and provide data support for further process improvements. This data-based approach can help companies continuously adjust and optimize the spraying process to achieve continuous improvement in production efficiency and product quality.

[0092] See also Figure 3The embodiment of the present invention provides a technical solution: a sole spraying control system for an intelligent shoe production line, comprising: a first data acquisition module, an index analysis module, a category analysis module, a spraying module, a second data acquisition module, a spraying quality analysis module, and a judgment module; the first data acquisition module is used to acquire and pre-process the state data of the sole to be sprayed, and the state data includes the sole material data and the sole surface data; the index analysis module is used to perform data analysis on the state data of the sole to be sprayed after pre-processing, and obtain the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed; the category analysis module is used to perform a comprehensive analysis on the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed, and obtain the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed. a spraying module, for matching and analyzing the spraying category index of the sole to be sprayed with a preset spraying category index range, and taking corresponding spraying measures for the sole to be sprayed based on the matching analysis results; a second data acquisition module, for acquiring the sole spraying status data after the spraying is completed; a spraying quality analysis module, for analyzing the sole spraying status data and obtaining the sole spraying quality index; a judgment module, for judging whether the sole spraying quality index is within the preset spraying quality threshold range, if the sole spraying quality index is within the preset spraying quality threshold range, the sprayed sole is marked as qualified, and if the sole spraying quality index is outside the preset spraying quality threshold range, the sprayed sole is marked as unqualified.

[0093] In summary, this application has at least the following effects:

[0094] The production line can automatically adjust the spraying parameters to suit the specific needs of different soles, thereby reducing human intervention and operational errors. The automated data analysis and spraying category matching mechanism ensures that each sole is processed in the most suitable manner, significantly improving production efficiency and product consistency. This ensures that the spraying quality of each sole meets the preset standard, thereby reducing scrap rate and improving overall product quality.

[0095] By precisely controlling the spraying area and thickness, we ensure optimal use of the spraying material and avoid excessive or insufficient spraying. By precisely calculating and controlling the spraying area and thickness, we not only ensure the uniformity and functionality of the coating, but also greatly reduce material waste. This not only improves the utilization efficiency of materials, but also correspondingly reduces production costs and environmental burdens, bringing both economic benefits and environmental protection advantages to enterprises.

[0096] The production line can respond quickly to market changes and customer demands and provide customized spraying solutions, which not only enhances the company's market competitiveness but also improves customer satisfaction. Customized spraying can meet the specific requirements of different customers for sole performance and aesthetics, thereby enhancing the product's attractiveness and market share.

[0097] Through its highly integrated modular design, it can significantly improve the flexibility and accuracy of customized spraying for different customers and market needs. By accurately collecting and analyzing detailed data of the soles and converting these data into specific spraying category indexes, each spraying can be accurately matched to the specific characteristics of the soles. This not only ensures the optimal use of materials and consistency of quality during the spraying process, but also allows the production line to quickly adjust spraying parameters and strategies when faced with orders with special needs or complex designs without manual intervention.

[0098] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0099] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. Intelligent shoe production line sole spraying control method, characterized in that: The following steps are involved: Acquire and pre-process the status data of the sole to be sprayed, wherein the status data includes the sole material data and the sole surface data; Performing data analysis on the state data of the shoe sole to be sprayed after pretreatment to obtain the absorption rate index, surface roughness index, shape complexity index and area index of the shoe sole to be sprayed; Comprehensively analyze the absorption rate index, surface roughness index, shape complexity index and area index of the sole to be sprayed to obtain the spray category index of the sole to be sprayed; Matching and analyzing the spray category index of the shoe sole to be sprayed with a preset spray category index range, and taking corresponding spray measures for the shoe sole to be sprayed based on the matching analysis results; After the spraying is completed, the sole spraying status data is obtained and analyzed to obtain the sole spraying quality index; Determine whether the sole spraying quality index is within a preset spraying quality threshold range; If the sole spraying quality index is within the preset spraying quality threshold range, the sprayed sole is marked as qualified; If the sole spraying quality index is outside the preset spraying quality threshold range, the sprayed sole is marked as unqualified; The sole material data specifically include the sole density value and the sole porosity value, and the sole surface data specifically include the sole area value of the sole spray surface, the sole circumference value, and the height values ​​of several measurement points; The specific steps for obtaining the spray category index of the sole to be sprayed are as follows: Read the absorption index, surface roughness index, shape complexity index, and area index of the shoe sole to be sprayed and perform standardization processing; Comprehensively analyze the absorption rate index, surface roughness index, shape complexity index and area index of the shoe sole to be sprayed after the standardized treatment to obtain the spray category index of the shoe sole to be sprayed; The specific formula for calculating the spray category index of the sole to be sprayed is as follows: ; in, is the spray category index of the shoe sole to be sprayed, is the absorption index of the sole to be sprayed after standardized treatment, is the absorption coefficient stored in the database, is the surface roughness index of the shoe sole to be sprayed after standardized treatment. is the roughness coefficient stored in the database, is the shape complexity index of the sole to be sprayed after standardization. is the shape coefficient stored in the database, is the area index of the sole to be sprayed after standardized treatment, is the area coefficient stored in the database, , is a natural constant; The specific steps for obtaining the surface roughness index of the sole to be sprayed are as follows: Read the height values ​​of several measuring points of the pre-processed sole to be sprayed, and perform mean analysis to obtain the mean height value of the sole to be sprayed; The height value of each measuring point of the pre-treated sole to be sprayed is analyzed comprehensively with the height average value to obtain the surface roughness index of the sole to be sprayed; The calculation formulas for calculating the height mean and surface roughness index of the sole to be sprayed are as follows: ; in, is the average height of the sole to be sprayed, For the sole to be sprayed The height value of each measuring point, is the surface roughness index of the sole to be sprayed, For the sole to be sprayed The weighting coefficient of the difference between the height value of each measuring point and the mean height, For the sole to be sprayed The height value of each measuring point, For the sole to be sprayed The weighting coefficient of the difference between the height value of each measuring point and the mean height, , , is the number of measurement points.

2. The sole spraying control method of the intelligent shoe production line according to claim 1 is characterized in that: The specific steps for obtaining the absorption index of the sole to be sprayed are as follows: The sole density value and the sole porosity value of the pre-treated sole to be sprayed are read and comprehensively analyzed to obtain the absorption rate index of the sole to be sprayed. The calculation formula is as follows: ; in, is the absorption index of the shoe sole to be sprayed, is the density value of the sole to be sprayed, is the porosity value of the sole to be sprayed.

3. The sole spraying control method of the intelligent shoe production line according to claim 1 is characterized in that: The specific steps for obtaining the shape complexity index of the sole to be sprayed are as follows: For each measuring point of the shoe sole to be sprayed, a comprehensive analysis is performed with the height value of each measuring point in a set neighborhood to obtain the average neighborhood height difference value of each measuring point of the shoe sole to be sprayed; The shape complexity index of the sole to be sprayed is obtained by comprehensively analyzing the mean value of the neighborhood height difference of each measurement point of the sole to be sprayed; The calculation formula for calculating the mean value of the neighborhood height difference and the shape complexity index of each measurement point of the sole to be sprayed is as follows: ; in, For the sole to be sprayed The average height difference of the neighborhood of the measurement points, For the sole to be sprayed The height value of each measuring point, For the sole to be sprayed The first measurement point in the set neighborhood The height value of each measuring point, is the shape complexity index of the sole to be sprayed, , To set the number of measurement points in the neighborhood, , is the number of measurement points.

4. The sole spraying control method of the intelligent shoe production line according to claim 1 is characterized in that: The specific steps for obtaining the area index of the sole to be sprayed are as follows: The minimum circumscribed rectangle area value and the minimum circumscribed rectangle perimeter value of the sole to be sprayed are obtained, and the sole area value and the sole perimeter value of the sole spraying surface of the sole to be sprayed are combined for comprehensive analysis to obtain the area index of the sole to be sprayed. The calculation formula is as follows: ; in, is the area index of the sole to be sprayed, is the sole area value of the sole spraying surface of the sole to be sprayed, is the minimum circumscribed rectangle area of ​​the sole to be sprayed, is the circumference of the sole spraying surface of the sole to be sprayed, It is the minimum perimeter of the circumscribed rectangle of the shoe sole to be sprayed.

5. The sole spraying control method of the intelligent shoe production line according to claim 1 is characterized in that: The sole spraying status data includes the spraying area value of the sole spraying surface after spraying and the spraying thickness value of each spraying measurement point. After spraying, the sole spraying status data is obtained and analyzed. The specific steps to obtain the sole spraying quality index are as follows: Obtain a spraying area reference value and a spraying thickness reference value of the spraying surface of the shoe sole; The spraying area value of the spraying surface of the sole after spraying and the spraying thickness value of each spraying measurement point are respectively combined with the spraying area reference value and the spraying thickness reference value of the spraying surface of the sole to perform a comprehensive analysis to obtain the sole spraying area quality index and the sole spraying thickness quality index; Comprehensively analyze the sole spraying area quality index and the sole spraying thickness quality index to obtain the sole spraying quality index; Among them, the specific formulas for calculating the sole spraying area quality index, sole spraying thickness quality index, and sole spraying quality index are as follows: ; in, It is the quality index of the sole spraying area. It is the spraying area value of the spraying surface of the sole after spraying. is the reference value of the spraying area of ​​the sole spray surface. It is the quality index of the thickness of the sole spraying. The first spray surface of the shoe sole after spraying. The spraying thickness value of each spraying measurement point, It is the reference value of the spraying thickness of the spraying surface of the sole. It is the quality index of sole spraying. is the spraying area coefficient stored in the database, is the spraying thickness coefficient stored in the database, , , It is the number of spray measurement points on the spray surface of the sole after spraying.

6. A sole spraying control system for an intelligent shoe production line, applying the sole spraying control method for an intelligent shoe production line according to any one of claims 1 to 5, characterized in that: include: A first data acquisition module, an index analysis module, a category analysis module, a spraying module, a second data acquisition module, a spraying quality analysis module, and a judgment module; The first data acquisition module is used to acquire and pre-process the status data of the sole to be sprayed, wherein the status data includes the sole material data and the sole surface data; The index analysis module is used to perform data analysis on the state data of the shoe sole to be sprayed after pretreatment, and obtain the absorption rate index, surface roughness index, shape complexity index and area index of the shoe sole to be sprayed; The category analysis module is used to comprehensively analyze the absorption rate index, surface roughness index, shape complexity index, and area index of the sole to be sprayed, so as to obtain the spray category index of the sole to be sprayed; The spraying module is used to match and analyze the spraying category index of the shoe sole to be sprayed with a preset spraying category index range, and take corresponding spraying measures for the shoe sole to be sprayed based on the matching analysis result; The second data acquisition module is used to acquire the sole spraying status data after the spraying is completed; The spraying quality analysis module is used to analyze the sole spraying status data and obtain the sole spraying quality index; The judgment module is used to judge whether the sole spraying quality index is within the preset spraying quality threshold range. If the sole spraying quality index is within the preset spraying quality threshold range, the sole after spraying is marked as qualified; if the sole spraying quality index is outside the preset spraying quality threshold range, the sole after spraying is marked as unqualified.

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