Control methods, devices and systems for vacuum isothermal forging lubrication spraying systems

Abstract

This invention relates to the field of forging technology, specifically disclosing a control method, apparatus, and system for a vacuum isothermal forging lubrication spraying system. The method includes: collecting performance data of the spraying equipment, forging process data, forging data, and lubricant data; matching initial spraying parameters based on the forging data and lubricant data; processing the performance data of the spraying equipment to obtain a precision evaluation index for the spraying equipment at each time point, and comprehensively analyzing this to obtain a spraying efficiency evaluation value for each time point; and adjusting the spraying parameters based on the plastic deformation capacity evaluation index and the spraying efficiency evaluation value for each time point. This invention, by providing a control method, apparatus, and system for a vacuum isothermal forging lubrication spraying system, helps enterprises to promptly identify and resolve problems of low spraying efficiency, thereby quickly adjusting production plans, improving overall production efficiency, and further ensuring stable and uniform coating quality, thus improving the appearance quality and durability of the product.

Description

Technical Field

[0001] This invention relates to the field of forging technology, specifically to a control method, apparatus, and system for a vacuum isothermal forging lubrication spraying system. Background Technology

[0002] Currently, vacuum isothermal forging lubrication spraying systems are a very important part of the forging technology field. With the advancement of technology and the growth of demand, providing more refined control methods for vacuum isothermal forging lubrication spraying systems has become the norm. Efficient and accurate control devices for vacuum isothermal forging lubrication spraying systems are of great significance for optimizing the forging process and improving product quality.

[0003] For example, the invention patent with announcement number CN104001847B is an automatic cooling and lubrication system for hot forging dies, including a lower die and an upper die. The automatic cooling and lubrication system includes: a jet mist assembly, installed on at least one opposite side of the lower die and the upper die, for spraying high-pressure gas and / or refrigerant, and a gas-liquid mixing valve connected to the jet mist assembly pipeline; a temperature measuring assembly, fixed on at least one opposite side of the lower die and the upper die, for collecting the temperature of the lower die and / or the upper die; a gas supply assembly and a liquid supply assembly, respectively connected to the gas-liquid mixing valve pipeline, for supplying high-pressure gas and water-based lubricant to the jet mist assembly; and a control unit, respectively connected to the temperature measuring assembly, the gas supply assembly, and the liquid supply assembly, for controlling the flow rate of high-pressure gas and water-based lubricant supplied by the gas supply assembly and the liquid supply assembly according to the temperature information fed back by the temperature measuring assembly, thereby adjusting the amount of gas mist sprayed by the jet mist assembly, so as to make the temperature control of the hot forging die precise and the lubricant spraying uniform.

[0004] For example, the invention patent with announcement number CN118122935B is a forging device for a fully automated forging production line of sucker rods. It includes a base with a moving component on its upper surface. This moving component allows for precise pushing of the sucker rod during forging, and the pushing distance can be adjusted according to requirements to ensure the forging position meets production needs. A clamping component adjusts the forging height of the sucker rod, keeping the workpiece flush with the mold cavity during forging. It also provides flexible clamping and fixing of the sucker rod and includes an alarm mechanism that sounds when the sucker rod tilts, preventing the production of bent sucker rods that are difficult to observe with the naked eye, thus improving production quality. A lubrication component sprays lubricant into the mold cavity during demolding, allowing for mold lubrication without stopping forging. This ensures uniform pressure distribution during forging and facilitates demolding after pressing, improving production efficiency.

[0005] However, in the process of implementing the technical solution of the present application, it was found that the above-mentioned technology has at least the following technical problems: At present, the control method of vacuum isothermal forging lubrication spraying system focuses more on the debugging of spraying equipment, but the control of spraying parameters is still not precise enough, and the lubrication effect in the forging process is difficult to guarantee. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a control method, apparatus, and system for a vacuum isothermal forging lubrication spraying system, which can effectively solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: The first aspect of the present invention provides a control method for a vacuum isothermal forging lubrication spraying system, comprising: collecting performance data of the spraying equipment, forging process data, forging data and lubricant data during the vacuum isothermal forging process.

[0008] Initial spraying parameters are obtained by matching forging data and lubricant data.

[0009] The performance data of the spraying equipment is processed to obtain the accuracy evaluation index of the spraying equipment at each time point, and the plastic deformation capacity evaluation index at each time point is obtained by processing the forging process data. The comprehensive analysis yields the spraying efficiency evaluation value at each time point.

[0010] Adjust the spraying parameters based on the plastic deformation capacity assessment index and spraying efficiency assessment value at each time point.

[0011] As a further method, the initial spraying parameters are obtained by matching the forging data and lubricant data. The specific analysis process is as follows: the forging data includes the forging dimensions and the number of features.

[0012] The lubricant data includes lubricant viscosity and lubricant friction coefficient.

[0013] The forging dimensions and feature quantity are input into the isothermal forging database to obtain the corresponding initial coating amount, and the lubricant viscosity and lubricant friction coefficient are input into the isothermal forging database to obtain the corresponding initial coating speed.

[0014] As a further method, the spraying equipment performance data is processed to obtain the spraying equipment accuracy evaluation index at each time point. The specific processing procedure is as follows: the spraying equipment performance data includes the spraying pressure, spraying thickness and response speed at each time point.

[0015] The reference standard coating thickness, allowable deviation coating thickness, and critical response speed are extracted from the isothermal forging database, and a comprehensive analysis is conducted to obtain the coating equipment accuracy evaluation index at each time point.

[0016] As a further method, the forging process data is processed to obtain the plastic deformation capacity evaluation index at each time point. The specific processing procedure is as follows: the forging process data includes the forging temperature, forging strain value and forging gas pressure at each time point.

[0017] The reference standard forging temperature, allowable deviation forging temperature, reference standard forging strain value, allowable deviation forging strain value, reference standard forging gas pressure, and allowable deviation forging gas pressure are extracted from the isothermal forging database, and the plastic deformation capacity evaluation index at each time point is obtained through comprehensive analysis.

[0018] As a further method, the comprehensive analysis obtains the spraying efficiency evaluation value at each time point. The specific analysis process is as follows: the spraying equipment precision evaluation index and plastic deformation capacity evaluation index at each time point are assigned weights respectively, and the weighted spraying equipment precision evaluation index and plastic deformation capacity evaluation index at each time point are summed. At the same time, the summation result is processed using a sine hyperbolic function to obtain the spraying efficiency evaluation value at each time point. The spraying efficiency evaluation value is used to quantify the spraying efficiency.

[0019] As a further method, the spraying parameters are adjusted according to the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point. The specific analysis process is as follows: the spraying parameters include the amount of lubricant sprayed and the spraying speed.

[0020] The plastic deformation capacity assessment threshold is extracted from the isothermal forging database. The plastic deformation capacity assessment index at each time point is compared with the plastic deformation capacity assessment threshold. If the plastic deformation capacity assessment index at a certain time point is greater than or equal to the plastic deformation capacity assessment threshold, no additional operation is performed. If the plastic deformation capacity assessment index at a certain time point is less than the plastic deformation capacity assessment threshold, the plastic deformation capacity assessment index is input into the isothermal forging database to match the corresponding coating amount compensation value. The initial coating amount and the coating amount compensation value are added together to obtain the updated coating amount.

[0021] As a further method, adjusting the spraying parameters based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point also includes: extracting the spraying efficiency evaluation threshold from the isothermal forging database, comparing the spraying efficiency evaluation value at each time point with the spraying efficiency evaluation threshold, and if the spraying efficiency evaluation value at a certain time point is greater than or equal to the spraying efficiency evaluation threshold, no additional operation is performed; if the spraying efficiency evaluation value at a certain time point is less than the spraying efficiency evaluation threshold, the spraying efficiency evaluation value is input into the isothermal forging database to match and obtain the corresponding spraying speed correction value, and the initial spraying speed and the spraying speed correction value are added together to obtain the updated spraying speed.

[0022] As a further method, the specific numerical expression for the spraying efficiency evaluation value at each time point is as follows:

[0023]

[0024] in, This represents the coating efficiency evaluation value at the i-th time point. This represents the accuracy evaluation index of the spraying equipment at the i-th time point. This represents the plastic deformation capacity evaluation index at the i-th time point. This represents the spraying efficiency evaluation influencing factor corresponding to the set spraying equipment precision evaluation index. This represents the spraying efficiency evaluation influencing factor corresponding to the set plastic deformation capacity evaluation index, where i represents the time node number, i=1,2,3,...,m, and m represents the total number of time nodes.

[0025] A second aspect of the present invention provides a control device for a vacuum isothermal forging lubrication spraying system, comprising: a processor and a memory and a network interface connected to the processor; the network interface is connected to a non-volatile memory in a server; the processor, during operation, retrieves a computer program from the non-volatile memory through the network interface and runs the computer program through the memory to execute the method described in any of the above-mentioned embodiments.

[0026] The third aspect of the present invention provides a control system for a vacuum isothermal forging lubrication spraying system, comprising: a data acquisition module for acquiring performance data of the spraying equipment, forging process data, forging data and lubricant data during the vacuum isothermal forging process.

[0027] The initial coating parameter matching module is used to match the initial coating parameters based on the forging data and lubricant data.

[0028] The spraying efficiency analysis module is used to process the performance data of the spraying equipment to obtain the accuracy evaluation index of the spraying equipment at each time point, process the forging process data to obtain the plastic deformation capacity evaluation index at each time point, and comprehensively analyze to obtain the spraying efficiency evaluation value at each time point.

[0029] The spraying parameter adjustment module is used to adjust the spraying parameters based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point.

[0030] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0031] (1) By providing a vacuum isothermal forging lubrication spraying system control method, device and system, the present invention helps enterprises to discover and solve the problem of low spraying efficiency in a timely manner, thereby quickly adjusting the production plan, ensuring the stable operation of the production line, improving the overall production efficiency, reducing paint waste and energy consumption, and further ensuring the stability and uniformity of the coating quality, thereby improving the appearance quality and durability of the product.

[0032] (2) By evaluating the accuracy evaluation index of the spraying equipment at each time point, the present invention can make necessary adjustments and optimizations to the equipment to improve the spraying accuracy, thereby ensuring the quality of the coating, helping to reduce defects that occur during the spraying process, significantly improving the overall quality and consistency of the coating, and also timely detecting and handling potential faults and problems, thereby improving the stability and reliability of the system.

[0033] (3) By evaluating the plastic deformation capacity assessment index at each time point, the present invention can accurately control the amount of deformation in the forging process, ensure that the forging reaches the expected shape and size, help predict and avoid defects such as cracks and folds that may occur in the forging process, thereby improving the quality of the forging, while reducing energy consumption and mold wear, and further improving product quality and production efficiency. Attached Figure Description

[0034] The present invention will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention. For those skilled in the art, other drawings can be obtained based on the following drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the method flow of the present invention.

[0036] Figure 2 This is a schematic diagram of the system module connections of the present invention.

[0037] Figure 3 This is a schematic diagram showing the functional relationship between the coating efficiency evaluation value and the plastic deformation capacity evaluation index at each time point in this invention. Detailed Implementation

[0038] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0039] Reference Figure 1As shown, the first aspect of the present invention provides a control method for a vacuum isothermal forging lubrication spraying system, comprising: collecting performance data of spraying equipment, forging process data, forging data and lubricant data during the vacuum isothermal forging process.

[0040] Initial spraying parameters are obtained by matching forging data and lubricant data.

[0041] The performance data of the spraying equipment is processed to obtain the accuracy evaluation index of the spraying equipment at each time point, and the plastic deformation capacity evaluation index at each time point is obtained by processing the forging process data. The comprehensive analysis yields the spraying efficiency evaluation value at each time point.

[0042] Adjust the spraying parameters based on the plastic deformation capacity assessment index and spraying efficiency assessment value at each time point.

[0043] Specifically, the initial spraying parameters are obtained by matching the forging data and lubricant data. The specific analysis process is as follows: the forging data includes the forging dimensions and the number of features.

[0044] The lubricant data includes lubricant viscosity and lubricant friction coefficient.

[0045] The forging dimensions and feature quantity are input into the isothermal forging database to obtain the corresponding initial coating amount, and the lubricant viscosity and lubricant friction coefficient are input into the isothermal forging database to obtain the corresponding initial coating speed.

[0046] In a specific embodiment, the dimensions of the forging can be obtained using a coordinate measuring machine. The number of features refers to the number of elements of different shapes and sizes on the forging, such as protrusions, grooves, and holes, which can be obtained statistically. The lubricant viscosity refers to the lubricant's ability to resist flow, that is, the ease with which the lubricant flows under specific conditions. Selecting an appropriate lubricant viscosity is crucial for ensuring good lubrication during the forging process, and the lubricant viscosity can be obtained using a viscometer. The lubricant friction coefficient refers to the ratio of the frictional force generated by two contacting surfaces during relative motion to the normal force. The magnitude of the lubricant friction coefficient directly affects the frictional resistance between the die and the blank, and can be measured using a friction tester.

[0047] It should be understood that in this embodiment, a mapping set between forging size and feature quantity and corresponding initial coating amount is constructed by using the relationship between forging size and feature quantity and initial coating amount in historical data. The real-time forging size and feature quantity are input, and their corresponding initial coating amounts are obtained from the mapping set.

[0048] Furthermore, by using the relationship between lubricant viscosity and lubricant friction coefficient and initial spraying speed in historical data, a mapping set of lubricant viscosity and lubricant friction coefficient and corresponding initial spraying speed is constructed. Real-time lubricant viscosity and lubricant friction coefficient are input, and their corresponding initial spraying speeds are obtained from the mapping set.

[0049] Specifically, the performance data of the spraying equipment is processed to obtain the accuracy evaluation index of the spraying equipment at each time point. The specific processing procedure is as follows: the performance data of the spraying equipment includes the spraying pressure, spraying thickness and response speed at each time point.

[0050] The reference standard coating thickness, allowable deviation coating thickness, and critical response speed are extracted from the isothermal forging database, and a comprehensive analysis is conducted to obtain the coating equipment accuracy evaluation index at each time point.

[0051] In a specific embodiment, spraying pressure refers to the internal pressure generated by the spraying equipment during operation, which can be measured by a pressure sensor; spraying thickness refers to the thickness of the coating on the surface of the mold and blank, which determines the protective effect and durability of the coating, and can be measured by a film thickness gauge; response speed refers to the response time in the spraying process, that is, the time from receiving the spraying instruction to starting spraying, which can be obtained directly by a performance monitoring tool.

[0052] Furthermore, the specific numerical expression for the spraying equipment accuracy evaluation index at each time point is as follows:

[0053]

[0054] in, This represents the accuracy evaluation index of the spraying equipment at the i-th time point. This represents the spraying pressure at the i-th time point. This represents the coating thickness at the i-th time point. Indicates the reference standard coating thickness. Indicates the allowable deviation in coating thickness. This represents the response speed at the i-th time point. Indicates the critical response rate. This indicates the impact factor on the accuracy assessment of the spraying equipment corresponding to the set spraying pressure. This indicates the impact factor on the accuracy evaluation of the spraying equipment corresponding to the set spraying thickness. This represents the impact factor on the accuracy assessment of the spraying equipment corresponding to the set response speed, where i represents the time node number, i=1,2,3,...,m, and m represents the total number of time nodes.

[0055] This embodiment's algorithm combines spraying pressure, spraying thickness, and response speed at each time point to comprehensively analyze and obtain a spraying equipment accuracy evaluation index for each time point. During the spraying process, the spraying pressure directly affects the coating thickness. Generally speaking, the higher the spraying pressure, the more paint is sprayed onto the mold and blank surface per unit time, resulting in a thicker coating. Thinner coatings are usually easier to complete quickly, thus requiring relatively lower response speed from the spraying equipment. Conversely, thicker coatings require longer spraying times, placing higher demands on the response speed of the spraying equipment. At the same time, a fast-response spraying equipment can more accurately control the spraying pressure. When it is necessary to adjust the spraying pressure to adapt to different process conditions, a fast-response equipment can quickly reach the required pressure value, thereby ensuring the stability and consistency of coating quality. Comprehensive analysis can yield a more comprehensive spraying equipment accuracy evaluation index.

[0056] Table 1. Examples of spraying equipment accuracy evaluation index data at various time points.

[0057]

[0058] As shown in Table 1, the accuracy evaluation index of the spraying equipment at each time point is jointly determined by the spraying pressure, spraying thickness, and response speed. In a specific embodiment, m=1, the reference standard spraying thickness is 100μm, the allowable deviation spraying thickness is 20μm, the critical response speed is 1s, the accuracy evaluation influence factor of the spraying equipment corresponding to the set spraying pressure is 0.3, the accuracy evaluation influence factor of the spraying equipment corresponding to the set spraying thickness is 0.4, and the accuracy evaluation influence factor of the spraying equipment corresponding to the set response speed is 0.3. This formula considers three key factors, namely the spraying pressure, spraying thickness, and response speed at each time point. It can reduce the problem of unstable coating quality caused by spraying pressure fluctuations, help shorten the production cycle, improve production efficiency, and also reduce rework and repair time caused by excessively thin coatings and overprocessing and waste caused by excessively thick coatings. It also helps reduce the energy consumption of the equipment during parameter adjustment and waiting processes, thereby improving the stability and reliability of the system and reducing the failure rate in the production process. By standardizing the spraying pressure, spraying thickness, and response speed at each time point, comparisons are ensured to be made on the same order of magnitude, improving the fairness and comparability of the evaluation. Weighting the impact of spraying pressure, spraying thickness, and response speed at each time point reflects their relative importance in the evaluation index. The weights of different factors can be adjusted according to different needs, making the model highly adaptable. It is evident that the smaller the deviation in spraying pressure, spraying thickness, or response speed, the higher the spraying equipment accuracy evaluation index. Evaluating the spraying equipment accuracy evaluation index at each time point allows for necessary adjustments and optimizations to the equipment to improve spraying accuracy, thereby ensuring coating quality, reducing defects during the spraying process, significantly improving the overall quality and consistency of the coating, and enabling high-precision spraying equipment to complete spraying tasks faster, thus shortening the production cycle. It also allows for the timely detection and handling of potential faults and problems, thereby improving the stability and reliability of the system.

[0059] In a specific embodiment, the values ​​of the spraying pressure, spraying thickness, and response speed corresponding to the spraying equipment accuracy evaluation influencing factors range from 0 to 1, representing the numerical values ​​of the degree of influence of spraying pressure, spraying thickness, and response speed on the spraying equipment accuracy evaluation index. Each spraying equipment accuracy evaluation influencing factor can be obtained from the isothermal forging database. By adjusting the values ​​of the influencing factors, the degree of influence of different factors on the final spraying equipment accuracy evaluation index can be flexibly adjusted. The correspondence can be a pre-set mapping relationship. For example, spraying pressure, spraying thickness, and response speed form a mapping set with the pre-set weighting factors corresponding to spraying pressure, spraying thickness, and response speed in the isothermal forging database. The real-time spraying pressure, spraying thickness, and response speed are substituted into the mapping set to obtain the weighting factors corresponding to spraying pressure, spraying thickness, and response speed. The mapping relationship can be one-to-one or many-to-one.

[0060] Specifically, the forging process data is processed to obtain the plastic deformation capacity evaluation index at each time point. The specific processing procedure is as follows: the forging process data includes the forging temperature, forging strain value and forging gas pressure at each time point.

[0061] The reference standard forging temperature, allowable deviation forging temperature, reference standard forging strain value, allowable deviation forging strain value, reference standard forging gas pressure, and allowable deviation forging gas pressure are extracted from the isothermal forging database, and the plastic deformation capacity evaluation index at each time point is obtained through comprehensive analysis.

[0062] In a specific embodiment, forging temperature refers to the temperature environment of the metal billet during the forging process. A suitable forging temperature can reduce energy consumption and mold wear during forging, and improve production efficiency. It can be monitored by a temperature sensor. Strain value refers to the degree of shape and size change of the forging due to external force. By monitoring the strain, the strain value of the forging can be precisely controlled to meet different product quality requirements. Strain gauges can be attached to the surface of the forging to sense the deformation of the forging during the forging process and then convert it into an electrical signal for output. Forging gas pressure refers to the gas pressure applied during vacuum isothermal forging to maintain a certain pressure environment in the forging cavity. Appropriate forging gas pressure helps to maintain a stable gas environment in the forging cavity, reduce metal oxidation and frictional resistance, thereby improving the surface quality and smoothness of the forging. It can be measured by a pressure gauge.

[0063] Furthermore, the specific numerical expression for the plastic deformation capacity assessment index at each time point is as follows:

[0064]

[0065] in, This represents the plastic deformation capacity evaluation index at the i-th time point. This represents the forging temperature at the i-th time point. Indicates the reference standard forging temperature. This indicates the allowable deviation in forging temperature, and e represents the natural constant. This represents the strain value of the forging at the i-th time node. This indicates the strain value of a reference standard forging. Indicates the allowable deviation of the forging strain value. This represents the forging gas pressure at the i-th time point. Indicates the reference standard forging air pressure. Indicates the allowable deviation in forging gas pressure. This indicates the influencing factor for evaluating the plastic deformation capacity corresponding to the set forging temperature. This represents the evaluation factor for the plastic deformation capacity corresponding to the set strain value of the forging. This represents the evaluation influence factor of plastic deformation capacity corresponding to the set forging gas pressure, where i represents the time node number, i=1,2,3,...,m, and m represents the total number of time nodes.

[0066] This embodiment's algorithm combines forging temperature, forging strain value, and forging gas pressure at each time point to comprehensively analyze and obtain a plastic deformation capacity evaluation index for each time point. Non-uniformity in forging temperature can lead to uneven strain distribution within the forging. For example, during forging, if the temperature is higher in certain areas, the metal in those areas will be more prone to deformation, resulting in larger strain values. Although forging gas pressure itself does not directly determine the deformation behavior of the metal, it can indirectly affect the deformation behavior by influencing the temperature distribution and gas environment during forging. For example, at higher gas pressures, if the gas heat transfer efficiency is high, the temperature of the metal billet may be more uniform, thus facilitating a more uniform strain distribution. Furthermore, in actual forging, the forging strain value and forging gas pressure are mutually restrictive. On the one hand, to obtain a larger strain value, it may be necessary to increase the forging temperature and decrease the forging gas pressure to reduce oxidation and frictional resistance. On the other hand, excessively low forging gas pressure may affect the gas heat transfer efficiency and metal flow behavior during forging, thereby limiting the increase in strain value. Comprehensive analysis can yield a more comprehensive plastic deformation capacity evaluation index.

[0067] It should be explained that this embodiment considers three key factors: forging temperature, forging strain value, and forging gas pressure at each time point. This helps ensure that the fluidity and deformation resistance of the metal are at their optimal state during the forging process, thereby improving the forming quality and dimensional accuracy of the forging, ensuring that the metal achieves sufficient plastic deformation during forging, thus optimizing the microstructure and mechanical properties of the material, and also ensuring uniform deformation of the metal during forging, avoiding cracks and defects, and further achieving higher production efficiency and better product quality. By standardizing the forging temperature, forging strain value, and forging gas pressure at each time point, it is ensured that they are compared on the same order of magnitude, improving the fairness and comparability of the evaluation. By weighting the influence of forging temperature, forging strain value, and forging gas pressure at each time point, their relative importance in the evaluation index is reflected. The weights of different factors can be adjusted according to different needs, making the formula highly adaptable. It is easy to see that the smaller the deviation in forging temperature, forging strain value, or forging gas pressure, the larger the plastic deformation capacity evaluation index. By evaluating the plastic deformation capacity index at each time point, the amount of deformation during the forging process can be precisely controlled, ensuring that the forgings reach the expected shape and size. This helps to predict and avoid defects such as cracks and folds that may occur during the forging process, thereby improving the quality of the forgings. At the same time, it can optimize the forging temperature and adjust the forging gas pressure, thereby reducing energy consumption and mold wear, reducing the scrap rate, improving the utilization rate of raw materials, and further improving product quality and production efficiency.

[0068] In a specific embodiment, the values ​​of the plastic deformation capacity assessment influencing factors corresponding to forging temperature, forging strain value, and forging gas pressure range from 0 to 1, representing the numerical values ​​of the degree of influence of forging temperature, forging strain value, and forging gas pressure on the plastic deformation capacity assessment index. Each plastic deformation capacity assessment influencing factor can be obtained from the isothermal forging database. By adjusting the values ​​of the influencing factors, the degree of influence of different factors on the final plastic deformation capacity assessment index can be flexibly adjusted. The correspondence can be a pre-set mapping relationship. For example, forging temperature, forging strain value, and forging gas pressure form a mapping set with the weighting factors corresponding to forging temperature, forging strain value, and forging gas pressure preset in the isothermal forging database. The real-time forging temperature, forging strain value, and forging gas pressure are brought into the mapping set to obtain the weighting factors corresponding to forging temperature, forging strain value, and forging gas pressure. The mapping relationship can be a one-to-one correspondence or a many-to-one relationship.

[0069] Specifically, a comprehensive analysis is conducted to obtain the spraying efficiency evaluation value for each time node. The specific analysis process is as follows: the spraying equipment precision evaluation index and plastic deformation capacity evaluation index for each time node are assigned weights respectively, and the weighted spraying equipment precision evaluation index and plastic deformation capacity evaluation index for each time node are summed. At the same time, the summation result is processed using a sine hyperbolic function to obtain the spraying efficiency evaluation value for each time node. The spraying efficiency evaluation value is used to quantify the spraying efficiency.

[0070] Furthermore, the specific numerical expression for the coating efficiency evaluation value at each time point is as follows:

[0071]

[0072] in, This represents the coating efficiency evaluation value at the i-th time point. This represents the accuracy evaluation index of the spraying equipment at the i-th time point. This represents the plastic deformation capacity evaluation index at the i-th time point. This represents the spraying efficiency evaluation influencing factor corresponding to the set spraying equipment precision evaluation index. This represents the spraying efficiency evaluation influencing factor corresponding to the set plastic deformation capacity evaluation index, where i represents the time node number, i=1,2,3,...,m, and m represents the total number of time nodes.

[0073] like Figure 3 As shown, in one specific embodiment, =0.3, =0.4. When When = 0.1, the functional relationship between the spraying efficiency evaluation value and the plastic deformation capacity evaluation index at each time point is shown by curve a; when When = 0.5, the functional relationship between the spraying efficiency evaluation value and the plastic deformation capacity evaluation index at each time point is shown by curve b; when When =1, the functional relationship between the spraying efficiency evaluation value and the plastic deformation capacity evaluation index at each time point is shown by curve c.

[0074] This embodiment's algorithm combines the spraying equipment precision evaluation index and the plastic deformation capacity evaluation index at each time point to comprehensively analyze and obtain the spraying efficiency evaluation value at each time point. The precision of the spraying equipment determines the uniformity of the coating on the forging surface. If the coating thickness is uneven or there are obvious spraying defects, such as bubbles or peeling, it will affect the plastic deformation capacity of the forging in the subsequent forging process. For example, an excessively thick coating may lead to uneven heat transfer, thereby affecting the fluidity and deformation resistance of the metal. The plastic deformation capacity of the metal during the forging process has high requirements for the precision of the spraying equipment, especially for materials that are extremely sensitive to deformation speed, such as superplastic metals. Even small changes in coating thickness or uneven coating may lead to significant deformation differences. Comprehensive analysis can obtain a more comprehensive, accurate, and in-depth spraying efficiency evaluation value.

[0075] It should be explained that this embodiment considers two key factors: the coating equipment precision assessment index and the plastic deformation capacity assessment index at each time point. This allows for the timely detection and correction of unstable factors in the process, such as uneven coating thickness and abnormal deformation resistance, thereby reducing process fluctuations, improving the stability of the forging process, and more accurately adjusting parameters such as temperature, pressure, and time during forging. This ensures that process parameters better match the deformation characteristics of the metal material and the precision requirements of the coating equipment, thus optimizing the entire forging process. This helps ensure that each batch of forgings achieves consistent quality and performance under the same conditions, meeting customer expectations and requirements. By weighting the impact of the coating equipment precision assessment index and the plastic deformation capacity assessment index at each time point, their relative importance in the assessment index is reflected. The weights of different factors can be adjusted according to different needs, making the formula highly adaptable. It is easy to see that the larger the coating equipment precision assessment index or the plastic deformation capacity assessment index, the higher the coating efficiency assessment value. By evaluating the spraying efficiency at each time point, companies can promptly identify and resolve issues of low spraying efficiency, thereby quickly adjusting production plans, ensuring stable production line operation, and improving overall production efficiency. This can reduce paint waste and energy consumption, improve resource utilization efficiency, and further ensure stable and uniform coating quality, thus enhancing the appearance quality and durability of products.

[0076] In a specific embodiment, the spraying efficiency evaluation influence factors corresponding to the spraying equipment precision evaluation index and the plastic deformation capacity evaluation index range from 0 to 1, representing the numerical values ​​of the degree of influence of the spraying equipment precision evaluation index and the plastic deformation capacity evaluation index on the spraying efficiency evaluation value. Each spraying efficiency evaluation influence factor can be obtained from the isothermal forging database. By adjusting the values ​​of the influence factors, the degree of influence of different factors on the final spraying efficiency evaluation value can be flexibly adjusted. The correspondence can be a pre-set mapping relationship. For example, the spraying equipment precision evaluation index and the plastic deformation capacity evaluation index form a mapping set with the weight factors corresponding to the spraying equipment precision evaluation index and the plastic deformation capacity evaluation index preset in the isothermal forging database. The real-time spraying equipment precision evaluation index and the plastic deformation capacity evaluation index are brought into the mapping set to obtain the weight factors corresponding to the spraying equipment precision evaluation index and the plastic deformation capacity evaluation index. The mapping relationship can be a one-to-one correspondence or a many-to-one relationship.

[0077] In a specific embodiment, the spraying parameters are adjusted based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point. The specific analysis process is as follows: the spraying parameters include the amount of lubricant sprayed and the spraying speed.

[0078] The plastic deformation capacity assessment threshold is extracted from the isothermal forging database. The plastic deformation capacity assessment index at each time point is compared with the plastic deformation capacity assessment threshold. If the plastic deformation capacity assessment index at a certain time point is greater than or equal to the plastic deformation capacity assessment threshold, no additional operation is performed. If the plastic deformation capacity assessment index at a certain time point is less than the plastic deformation capacity assessment threshold, the plastic deformation capacity assessment index is input into the isothermal forging database to match the corresponding coating amount compensation value. The initial coating amount and the coating amount compensation value are added together to obtain the updated coating amount.

[0079] Specifically, adjusting the spraying parameters based on the plastic deformation capacity assessment index and spraying efficiency assessment value at each time point also includes: extracting the spraying efficiency assessment threshold from the isothermal forging database, comparing the spraying efficiency assessment value at each time point with the spraying efficiency assessment threshold, and if the spraying efficiency assessment value at a certain time point is greater than or equal to the spraying efficiency assessment threshold, no additional operation is performed; if the spraying efficiency assessment value at a certain time point is less than the spraying efficiency assessment threshold, the spraying efficiency assessment value is input into the isothermal forging database to match and obtain the corresponding spraying speed correction value, and the initial spraying speed and the spraying speed correction value are added together to obtain the updated spraying speed.

[0080] Reference Figure 2As shown, the second aspect of the present invention provides a control system for a vacuum isothermal forging lubrication spraying system, comprising: a data acquisition module for acquiring performance data of the spraying equipment, forging process data, forging data and lubricant data during the vacuum isothermal forging process.

[0081] The initial coating parameter matching module is used to match the initial coating parameters based on the forging data and lubricant data.

[0082] The spraying efficiency analysis module is used to process the performance data of the spraying equipment to obtain the accuracy evaluation index of the spraying equipment at each time point, process the forging process data to obtain the plastic deformation capacity evaluation index at each time point, and comprehensively analyze to obtain the spraying efficiency evaluation value at each time point.

[0083] The spraying parameter adjustment module is used to adjust the spraying parameters based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point.

[0084] The isothermal forging database stores isothermal forging-related data, including: initial coating amount, initial coating speed, reference standard coating thickness, allowable deviation coating thickness, critical response speed, reference standard forging temperature, allowable deviation forging temperature, reference standard forging strain value, allowable deviation forging strain value, reference standard forging gas pressure, allowable deviation forging gas pressure, coating efficiency evaluation influencing factor corresponding to the set coating equipment accuracy evaluation index, coating efficiency evaluation influencing factor corresponding to the set plastic deformation capacity evaluation index, plastic deformation capacity evaluation threshold, and coating efficiency evaluation threshold, etc.

[0085] The above description is merely an example and illustration of the structure of the present invention. Those skilled in the art can make various modifications or additions to the specific embodiments described, or use similar methods to replace them, as long as they do not deviate from the structure of the invention or exceed the scope defined by the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A control method for a vacuum isothermal forging lubrication spraying system, characterized in that, include: Collect performance data of the spraying equipment, forging process data, forging data, and lubricant data during the vacuum isothermal forging process; Initial spraying parameters are obtained by matching forging data and lubricant data; The performance data of the spraying equipment is processed to obtain the accuracy evaluation index of the spraying equipment at each time point, the forging process data is processed to obtain the plastic deformation capacity evaluation index at each time point, and the comprehensive analysis yields the spraying efficiency evaluation value at each time point. Adjust the spraying parameters according to the plastic deformation capacity assessment index and spraying efficiency assessment value at each time point; The initial spraying parameters are obtained by matching forging data and lubricant data. The specific analysis process is as follows: The forging data includes forging dimensions and feature quantity, where feature quantity refers to the number of elements of different shapes and sizes on the forging; The lubricant data includes lubricant viscosity and lubricant friction coefficient; The forging dimensions and feature quantity are entered into the isothermal forging database to obtain the corresponding initial coating amount, and the lubricant viscosity and lubricant friction coefficient are entered into the isothermal forging database to obtain the corresponding initial coating speed. The process of processing the performance data of the spraying equipment to obtain the accuracy evaluation index of the spraying equipment at each time point is as follows: The performance data of the spraying equipment includes spraying pressure, spraying thickness, and response speed at each time point; The reference standard spraying thickness, allowable deviation spraying thickness, and critical response speed are extracted from the isothermal forging database, and the accuracy evaluation index of the spraying equipment at each time point is obtained through comprehensive analysis. The process of processing forging process data to obtain the plastic deformation capacity evaluation index at each time point is as follows: The forging process data includes forging temperature, forging strain value and forging gas pressure at each time point; The reference standard forging temperature, allowable deviation forging temperature, reference standard forging strain value, allowable deviation forging strain value, reference standard forging gas pressure, and allowable deviation forging gas pressure are extracted from the isothermal forging database, and the plastic deformation capacity evaluation index at each time point is obtained through comprehensive analysis. The comprehensive analysis yielded the spraying efficiency evaluation values ​​for each time point. The specific analysis process is as follows: The spraying equipment precision evaluation index and plastic deformation capacity evaluation index at each time point are assigned weights respectively, and the weighted spraying equipment precision evaluation index and plastic deformation capacity evaluation index at each time point are summed. At the same time, the summation result is processed by a sine hyperbolic function to obtain the spraying efficiency evaluation value at each time point. The spraying efficiency evaluation value is used to quantify the spraying efficiency. The process of adjusting the spraying parameters based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point is as follows: The spraying parameters include the amount of lubricant sprayed and the spraying speed; The plastic deformation capacity assessment threshold is extracted from the isothermal forging database. The plastic deformation capacity assessment index at each time point is compared with the plastic deformation capacity assessment threshold. If the plastic deformation capacity assessment index at a certain time point is greater than or equal to the plastic deformation capacity assessment threshold, no additional operation is performed. If the plastic deformation capacity assessment index at a certain time point is less than the plastic deformation capacity assessment threshold, the plastic deformation capacity assessment index is input into the isothermal forging database to match the corresponding coating amount compensation value. The initial coating amount and the coating amount compensation value are added together to obtain the updated coating amount.

2. The control method for the vacuum isothermal forging lubrication spraying system according to claim 1, characterized in that: The adjustment of spraying parameters based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point also includes: The spraying efficiency evaluation threshold is extracted from the isothermal forging database. The spraying efficiency evaluation value at each time point is compared with the spraying efficiency evaluation threshold. If the spraying efficiency evaluation value at a certain time point is equal to or greater than the spraying efficiency evaluation threshold, no additional operation is performed. If the spraying efficiency evaluation value at a certain time point is less than the spraying efficiency evaluation threshold, the spraying efficiency evaluation value is input into the isothermal forging database to match the corresponding spraying speed correction value. The initial spraying speed and the spraying speed correction value are added together to obtain the updated spraying speed.

3. The control method for the vacuum isothermal forging lubrication spraying system according to claim 2, characterized in that: The specific numerical expression for the spraying efficiency evaluation value at each time point is as follows: in, This represents the coating efficiency evaluation value at the i-th time point. This represents the accuracy evaluation index of the spraying equipment at the i-th time point. This represents the plastic deformation capacity evaluation index at the i-th time point. This represents the spraying efficiency evaluation influencing factor corresponding to the set spraying equipment precision evaluation index. This represents the spraying efficiency evaluation influence factor corresponding to the set plastic deformation capacity evaluation index, where i represents the time node number, i=1,2,3,...,m, and m represents the total number of time nodes.

4. A control device for a vacuum isothermal forging lubrication spraying system, characterized in that: include: The processor, along with the memory and network interfaces connected to the processor; The network interface is connected to the non-volatile memory in the server; When the processor is running, it retrieves a computer program from the non-volatile memory through the network interface and runs the computer program through the memory to perform the method described in any one of claims 1-3.

5. A system applying the vacuum isothermal forging lubrication spraying system control method as described in any one of claims 1-3, characterized in that: include: The data acquisition module is used to collect performance data of the spraying equipment, forging process data, forging data, and lubricant data during the vacuum isothermal forging process; The initial spraying parameter matching module is used to match the initial spraying parameters based on the forging data and lubricant data. The spraying efficiency analysis module is used to process the performance data of the spraying equipment to obtain the accuracy evaluation index of the spraying equipment at each time point, process the forging process data to obtain the plastic deformation capacity evaluation index at each time point, and comprehensively analyze to obtain the spraying efficiency evaluation value at each time point. The spraying parameter adjustment module is used to adjust the spraying parameters based on the plastic deformation capacity evaluation index and spraying efficiency evaluation value at each time point.

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