Foam mold based on nano-reinforced composites and its intelligent assembly method

Abstract

The present application relates to the technical field of casting mold, especially to a foam mold based on nano-reinforced composite material and an intelligent assembly method thereof, comprising: an assembly method, opening holes in each unit layer according to a preset hole diameter, and coating glue according to a preset glue thickness; inserting the connecting column into the unit layer opening hole after coating glue; sequentially assembling and bonding each unit layer, and loading and shaping by a press; fixing the bottom end of the mold, loading preset loads in different directions at different points to obtain deformation variables, and then obtaining the first offset characteristic value to determine whether the assembly meets the standard. The foam mold assembled by the method has a connecting column hardness greater than the hardness of each unit layer, which can improve the overall performance and stability of the mold. The assembly method and the mold improvement improve the precision, strength and service life of the foam mold. The intelligent and precise assembly of the mold is realized, the error and the defective rate in the assembly process are effectively reduced, and the production efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of casting mold, and in particular to a foam mold based on nano-reinforced composite material and an intelligent assembly method thereof. BACKGROUND

[0002] In the field of mold manufacturing, foam molds have been widely used in many industries due to their light weight and low cost. With the continuous development of material science, nano-reinforced composite materials have been gradually introduced into the manufacturing of foam molds due to their excellent mechanical properties, thermal stability and chemical stability, etc., in order to improve the overall performance and service life of foam molds.

[0003] Chinese Patent Publication No. CN118237537A discloses a foam mold and an assembly method thereof. However, the existing assembly method has many limitations during the assembly process of the foam mold. Traditional foam mold assembly methods are mostly manual operations, which are difficult to meet the needs of modern production in terms of assembly precision and efficiency. Specifically, during the assembly process, there is a lack of precise control means for the hole opening treatment and glue coating treatment of each unit layer of the foam mold. The size of the hole diameter is often difficult to accurately guarantee, which may cause the problem of loose fit when the connecting column is inserted, thereby affecting the structural stability of the entire mold. The glue coating thickness is also difficult to achieve uniform and consistent application, and the over-thick or over-thin glue coating layer will adversely affect the bonding strength of the mold. Over-thick glue may cause glue overflow, affecting the appearance and dimensional accuracy of the mold, and over-thin glue may not provide sufficient bonding force, making the mold prone to delamination or falling off during use.

[0004] During the quality detection link after assembly is completed, the traditional method can only perform simple appearance inspection and basic size measurement, and cannot comprehensively and accurately evaluate the assembly quality of the mold. For example, there is a lack of effective detection and analysis means for the deformation of the mold under stress, making it difficult to find potential assembly problems. This leads to performance degradation of the foam mold due to assembly quality problems during actual use, such as excessive deformation of the mold affecting product forming quality, and even mold damage, increasing production cost and production cycle. In addition, when the mold assembly does not meet the standard, the traditional method is difficult to quickly and accurately determine the cause of the problem. SUMMARY

[0005] Therefore, the present application provides a foam mold based on nano-reinforced composite material and an intelligent assembly method thereof to overcome the problem that the assembly quality of the foam mold cannot be quickly determined to be unqualified in the prior art.

[0006] To achieve the above-mentioned purpose, on the one hand, the present application provides an intelligent assembly method of a foam mold based on nano-reinforced composite material, comprising:

[0007] Step S1, according to the preset aperture, the foam mold each unit layer is opened hole processing, to each unit layer of the surface to be bonded with the preset glue thickness for gluing treatment;

[0008] Step S2, after the connecting column is glued, it is inserted into the opening of the bottom mold unit layer of the foam mold;

[0009] Step S3, according to the assembly sequence, the assembly and bonding of each unit layer are completed in turn, and the pressure machine is used to load and shape the assembled foam mold with a preset shaping load;

[0010] Step S4, the bottom end of the foam mold is fixed, the first preset load in the X axis direction and the second preset load in the Y axis direction are respectively loaded on the first preset point and the second preset point of the top end of the foam mold, so as to respectively obtain the X axis deformation variable and the Y axis deformation variable;

[0011] Step S5, based on the X axis deformation variable and the Y axis deformation variable, the first offset characteristic value and the second offset characteristic value are obtained, and whether the assembly of the foam mold conforms to the preset standard is determined according to the first offset characteristic value;

[0012] Step S6, in response to the determination that the assembly of the foam mold conforms to the preset standard, whether the assembly of the foam mold conforms to the preset standard is verified according to the column deformation characteristic value, or, in response to the determination that the assembly of the foam mold does not conform to the preset standard, the reason why the assembly of the foam mold does not conform to the preset standard is determined according to the second offset characteristic value.

[0013] Further, in response to the first offset characteristic value being less than a first preset offset threshold, it is determined that the assembly of the foam mold conforms to the preset standard;

[0014] In response to the first offset characteristic value being greater than or equal to the first preset offset threshold, it is determined that the assembly of the foam mold does not conform to the preset standard.

[0015] Further, in response to the column deformation characteristic value being less than a preset column deformation threshold, it is verified that the assembly of the foam mold conforms to the preset standard;

[0016] In response to the column deformation characteristic value being greater than or equal to the preset column deformation threshold, it is verified that the assembly of the foam mold does not conform to the preset standard, and the preset shaping load of the pressure machine is increased according to the difference between the column deformation characteristic value and the preset column deformation threshold.

[0017] Further, the column deformation characteristic value is a ratio of a standard deviation to an average of deformation amounts generated in the Z direction by the foam mold connecting columns; wherein the deformation amount is a displacement amount of a top end of the connecting column in the Z direction generated after a second preset load in the Z direction is loaded on a top third preset point directly above each connecting column of the foam mold.

[0018] Further, the increase range of the preset setting load is positively correlated with a difference between the column deformation characteristic value and a preset column deformation threshold value.

[0019] Further, in response to the second offset characteristic value being less than a second preset offset threshold value, it is determined that the assembly of the foam mold does not meet the preset standard because a preset glue coating thickness of the glue coating process is substandard, and the preset glue coating thickness is reduced according to a difference between the second preset offset threshold value and the second offset characteristic value.

[0020] Further, the reduction range of the preset glue coating thickness is positively correlated with the difference between the second preset offset threshold value and the second offset characteristic value.

[0021] Further, in response to the second offset characteristic value being greater than or equal to the second preset offset threshold value, it is determined that the assembly of the foam mold does not meet the preset standard because a preset pore diameter of the hole opening process is substandard, and the preset pore diameter is reduced according to a difference between the second offset characteristic value and the second preset offset threshold value.

[0022] Further, the reduction range of the preset pore diameter is positively correlated with the difference between the second offset characteristic value and the second preset offset threshold value.

[0023] In another aspect, the present application provides a foam mold assembled by an intelligent assembly method of a foam mold based on a nano-reinforced composite material, wherein the hardness of the connecting columns of the foam mold is greater than the hardness of each unit layer of the foam mold.

[0024] Compared with the prior art, the present application has the beneficial effects that: the present application performs hole opening processing according to a preset pore diameter, and performs glue coating processing on the to-be-bonded surfaces of each unit layer with a preset glue coating thickness, which can accurately control the hole opening size and the glue coating amount, ensure the connection between the connecting columns and the unit layers and between the unit layers to be tight and stable, and improve the assembly precision and quality of the mold.

[0025] Further, the present application fixes the bottom end of the foam mold, loads preset loads in different directions on different point positions of the top end respectively, obtains deformation amounts of the X axis and the Y axis, and obtains a first offset characteristic value based on the deformation amounts, and determines whether the mold assembly meets the preset standard according to a comparison between the characteristic value and a first preset offset threshold value. This intelligent quality detection method can more comprehensively and accurately reflect the assembly quality of the mold and timely discover potential assembly problems.

[0026] Further, when determining that the mold assembly does not meet the preset standard, the application can quickly determine the cause of the problem according to the comparison of the second offset characteristic value and the second preset offset threshold value. If the second offset characteristic value is less than the second preset offset threshold value, it is determined that the preset glue coating thickness of the glue coating process does not meet the standard; if the second offset characteristic value is greater than or equal to the second preset offset threshold value, it is determined that the preset hole diameter of the hole processing does not meet the standard. This explicit fault diagnosis method greatly shortens the maintenance time and improves the production efficiency.

[0027] Further, after determining that the mold assembly meets the preset standard, the application further checks whether the assembly meets the standard according to the column deformation characteristic value. This checking and adjusting method can ensure better stability of the mold during assembly and improve the overall performance of the mold.

[0028] Further, the foam mold assembled by the method of the application has a hardness of the connecting column greater than the hardness of each unit layer of the foam mold. This design makes the connecting column play a better supporting and connecting role in the mold, can withstand greater load, reduces deformation and damage of the mold during use, and improves production efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The figure is a schematic diagram of the overall structure of the foam mold based on the nano-reinforced composite material of the embodiment of the application;

[0030] Figure 2 The figure is a flowchart of the intelligent assembly method of the foam mold based on the nano-reinforced composite material of the embodiment of the application;

[0031] Figure 3 The figure is a flowchart of determining whether the assembly of the foam mold meets the preset standard according to the first offset characteristic value of the embodiment of the application;

[0032] Figure 4 The figure is a flowchart of checking whether the assembly of the foam mold meets the preset standard according to the column deformation characteristic value of the embodiment of the application;

[0033] Figure 5 The figure is a flowchart of determining the cause of the assembly of the foam mold not meeting the preset standard according to the second offset characteristic value of the embodiment of the application;

[0034] Figure 6 The figure is a front view of the foam mold based on the nano-reinforced composite material of the embodiment of the application;

[0035] In the figure: 1, base layer; 2, column layer; 3, top layer. DETAILED DESCRIPTION

[0036] In order to make the objects and advantages of the present application clearer, the following further describes the present application with reference to the embodiments; it should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0037] The preferred embodiments of the present application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application and are not intended to limit the protection scope of the present application.

[0038] Please refer to Figures 1-6 The drawings show, respectively, a schematic diagram of the overall structure of a foam mold based on a nano-reinforced composite material according to an embodiment of the present application; a flowchart of an intelligent assembly method of a foam mold based on a nano-reinforced composite material according to an embodiment of the present application; a flowchart of determining whether the assembly of the foam mold meets a preset standard according to a first offset characteristic value according to an embodiment of the present application; a flowchart of verifying whether the assembly of the foam mold meets a preset standard according to a column deformation characteristic value according to an embodiment of the present application; a flowchart of determining the reason why the assembly of the foam mold does not meet a preset standard according to a second offset characteristic value according to an embodiment of the present application; and a front view of the structure of a foam mold based on a nano-reinforced composite material according to an embodiment of the present application.

[0039] In one aspect, an intelligent assembly method of a foam mold based on a nano-reinforced composite material according to an embodiment of the present application includes:

[0040] Step S1, performing hole processing on each unit layer of the foam mold according to a preset hole diameter, and performing glue coating processing on the surfaces to be bonded of each unit layer with a preset glue coating thickness;

[0041] Step S2, inserting the connecting column into the hole of the bottom mold unit layer of the foam mold after glue coating;

[0042] Step S3, sequentially completing the assembly and bonding of each unit layer according to an assembly sequence, and loading and shaping the assembled foam mold with a preset shaping load using a press;

[0043] Step S4, fixing the bottom end of the foam mold, and loading a first preset load in the X-axis direction and a second preset load in the Y-axis direction on a first preset point and a second preset point at the top end of the foam mold, respectively, to obtain an X-axis deformation variable and a Y-axis deformation variable, respectively;

[0044] Step S5, obtaining a first offset characteristic value and a second offset characteristic value based on the X-axis deformation variable and the Y-axis deformation variable, and determining whether the assembly of the foam mold meets a preset standard according to the first offset characteristic value;

[0045] Step S6, in response to determining that the assembly of the foam mold meets the preset standard, checking whether the assembly of the foam mold meets the preset standard according to the column deformation characteristic value, or, in response to determining that the assembly of the foam mold does not meet the preset standard, determining the reason why the assembly of the foam mold does not meet the preset standard according to the second offset characteristic value.

[0046] Specifically, in the hole opening processing stage, high-precision numerical control machine tools are used for processing to ensure that the hole opening positions of each unit layer are accurate and the hole diameters are consistent, providing accurate guidance for the subsequent insertion of connecting columns. During the glue coating process, special glue with fast curing and high bonding strength is selected, and the amount of glue coating is accurately controlled through automatic glue coating equipment, which not only avoids the overflow of glue affecting the appearance of the mold, but also ensures the firm bonding between the unit layers. During the assembly process, the preset shaping load of the press is accurately calculated according to the size and material characteristics of the mold to ensure that sufficient compaction effect can be achieved when loading and shaping without causing excessive deformation or damage to the mold. After shaping, the overall size and shape tolerance of the mold are accurately detected by a laser measurement system to ensure that the precision of the mold meets the design requirements.

[0047] Specifically, the preset hole diameter is set to 10 cm, the preset glue coating thickness is set to 0.5 mm, the first preset point is set to a position 10 cm offset from the center point of the top end of the foam mold along the X-axis direction to accurately measure the deformation in the X-axis direction, the second preset point is set to a position 10 cm offset from the center point of the top end of the foam mold along the Y-axis direction to accurately measure the deformation in the Y-axis direction, and the first preset load is set to 150 N, which can effectively cause deformation without damaging the foam mold. It should be noted that the data in this embodiment are results obtained through preliminary experiments before the method is performed, and the preset values can be adjusted according to specific use conditions as long as the method can clearly define different specific conditions in the single determination process through the obtained values.

[0048] Specifically, in response to the first offset characteristic value being less than the first preset offset threshold, it is determined that the assembly of the foam mold meets the preset standard.

[0049] In response to the first offset characteristic value being greater than or equal to the first preset offset threshold, it is determined that the assembly of the foam mold does not meet the preset standard.

[0050] Specifically, the first offset characteristic value is the distance by which the center point of the top layer 3 is offset from the initial position after a preset point on the top end of the foam mold is loaded with a preset load in the X-axis direction and the Y-axis direction. The first preset offset threshold is set to 2 cm. This threshold is set based on a large amount of experimental data in the early stage. Within this threshold range, it can be better distinguished whether the foam mold assembly meets the standard. It can avoid false judgment of unqualified assembly due to too small threshold, and prevent the non-standard assembly from being judged as qualified due to too large threshold. Selecting the first offset characteristic value as the evaluation standard can intuitively reflect the offset of the center point of the top layer 3 under the action of the preset load. The offset degree of the center point of the top layer 3 is closely related to key assembly indicators such as the tightness and stability of the foam mold assembly. Through this characteristic value, it can be accurately judged whether the foam mold assembly meets the preset standard, and a reliable evaluation basis is provided for the intelligent assembly method.

[0051] Specifically, in response to the column deformation characteristic value being less than a preset column deformation threshold, it is verified that the assembly of the foam mold meets the preset standard.

[0052] In response to the column deformation characteristic value being greater than or equal to the preset column deformation threshold, it is verified that the assembly of the foam mold does not meet the preset standard, and the preset molding load of the press machine is increased according to the difference between the column deformation characteristic value and the preset column deformation threshold.

[0053] Specifically, the preset molding load is set to 500N. In the actual operation process, according to the actual size, material properties and expected assembly accuracy of the foam mold, the preset molding load is set in a reasonable range that can effectively promote the close fit of the components of the mold without causing damage or deformation of the mold due to excessive pressure. This ensures that the best assembly effect can be achieved in the assembly of different types of foam molds, while ensuring the stability and reliability of the assembly process.

[0054] Specifically, the reason for adjusting the preset molding load of the press machine is that during the assembly process of the foam mold, although the hole opening, glue coating and shaping processes are carried out according to the preset parameters, due to the influence of material properties, machining precision and environmental factors, the deformation of each part of the mold may not be completely consistent. The column deformation characteristic value reflects the deformation of the connecting column in the Z direction, and the size of this value is directly related to the stability and carrying capacity of the assembled mold. When the column deformation characteristic value is greater than or equal to the preset column deformation threshold value, it means that the deformation of the connecting column in the Z direction exceeds the acceptable range, which may cause instability or reduced carrying capacity of the mold during use. At this time, simply relying on the original preset molding load cannot ensure that the assembly quality of the mold meets the preset standard. Therefore, the preset molding load of the press machine needs to be increased according to the difference between the column deformation characteristic value and the preset column deformation threshold value. By increasing the molding load, the mold unit layers can be further compacted, the gap between the connecting column and the unit layer can be reduced, and the overall stability and carrying capacity of the mold can be improved. This adjustment method can ensure better adaptability of the mold during assembly, and can be dynamically adjusted according to actual conditions, thereby achieving higher assembly precision and quality requirements.

[0055] Specifically, the column deformation characteristic value is set to 1.2 cm, and the column deformation characteristic value is selected as the evaluation standard, which can intuitively reflect the deformation of the connecting column of the foam mold during the loading process. The connecting column is a key connecting component of the foam mold, and its deformation degree is directly related to the stability and assembly quality of the entire mold. When the deformation of the connecting column in the Z direction is large, it means that the connecting column may not be able to withstand the load well, or the connection with each unit layer is not tight enough, which can cause problems such as looseness, deformation or even damage of the mold during use. By taking the ratio of the standard deviation to the average value of the deformation as the column deformation characteristic value, the dispersion degree and overall trend of the deformation of each connecting column can be considered, and the mold assembly can be more accurately evaluated. When the column deformation characteristic value is less than the preset column deformation threshold value, it means that the deformation of the connecting column is within a reasonable range, and the mold assembly is relatively tight and stable; when the column deformation characteristic value is greater than or equal to the preset column deformation threshold value, it means that the deformation of the connecting column exceeds the allowed range, and the mold assembly may have problems. At this time, the preset molding load of the press machine is increased according to the difference, which can further compact the mold components and improve the assembly quality.

[0056] Specifically, the column deformation characteristic value is a ratio of a standard deviation to an average value of deformation amounts of the connecting columns of the foam mold in the Z direction; wherein the deformation amount is a displacement amount of a top end of the connecting column in the Z direction after a second preset load in the Z direction is loaded on a top third preset point directly above each connecting column of the foam mold. In this way, the deformation characteristics of the connecting column under the force state can be accurately quantified, and the ratio of the standard deviation to the average value comprehensively considers the difference degree and overall change trend of the deformation of each connecting column, and compared with a single deformation amount data, can more comprehensively and accurately reflect the actual deformation condition of the connecting column. In the assembly process of the foam mold, different connecting columns may have deformation differences due to factors such as position and force, and it is difficult to accurately judge the assembly quality of the entire mold by only the deformation amount of a single connecting column, and the column deformation characteristic value can effectively avoid such limitations and provide a reliable basis for accurately determining whether the mold assembly meets the preset standard. Moreover, when the second preset load is loaded, it is crucial to select an appropriate load size, which should ensure that the connecting column can produce a measurable deformation to accurately obtain the column deformation characteristic value, and should not be too large to damage the foam mold. In actual operation, the size of the second preset load can be reasonably set according to factors such as the material, size and expected detection accuracy of the foam mold, to ensure that accurate and effective data can be obtained in the detection of different types of foam molds, thereby ensuring the quality detection effect of the entire intelligent assembly method.

[0057] Specifically, the increase range of the preset setting load is positively correlated with the difference between the column deformation characteristic value and a preset column deformation threshold. It can be understood that the positive correlation is, for example, a linear positive correlation or a nonlinear positive correlation, and the specific linear positive correlation slope is not limited, which can be set according to the actual preparation condition, as long as the increase range of the preset setting load is greater when the difference between the column deformation characteristic value and the preset column deformation threshold is greater. For example, the increase range of the preset setting load is set as ΔM, the difference between the column deformation characteristic value and the preset column deformation threshold is set as Δμ, then ΔM = γ × (Δμ + μ0), γ is a load adjustment coefficient, and γ is set as 1.06, and μ0 is a constant.

[0058] Specifically, in response to the second offset characteristic value being less than a second preset offset threshold, it is determined that the assembly of the foam mold does not meet the preset standard because the preset glue coating thickness of the glue coating treatment is substandard, and the preset glue coating thickness is reduced according to the difference between the second preset offset threshold and the second offset characteristic value.

[0059] Specifically, the second preset offset threshold is the distance by which the center point of the top layer 3 deviates from the initial position after the preset point of the top end of the foam mold is unloaded by a preset load in the X-axis direction and the Y-axis direction. The first preset offset threshold is set to 0.5 cm, and the second preset offset threshold is mainly based on the consideration of the recovery ability of the mold after unloading. When the second offset feature value is less than the second preset offset threshold, it often indicates that the mold fails to recover to the expected position after unloading, which is likely caused by the substandard preset glue thickness in the glue coating process. Insufficient glue thickness will weaken the bonding force between the unit layers, making them prone to relative displacement under load and difficult to fully recover after unloading, thereby causing the offset of the center point of the top layer 3 to exceed the normal range. At this time, reducing the preset glue thickness according to the difference between the second preset offset threshold and the second offset feature value is a targeted adjustment measure. By appropriately increasing the glue thickness, the bonding strength between the unit layers can be enhanced, the relative displacement under load can be reduced, and the stability and recovery ability of the assembled mold can be improved, thereby solving the problem of non-compliance with the preset standard caused by substandard glue thickness. This dynamic adjustment method based on actual detection data can ensure that the assembly quality of the foam mold is always within a controllable range, meeting the performance requirements of the mold in different application scenarios. At the same time, in actual operation, the adjustment of the glue thickness needs to be cautious to avoid other problems caused by excessive glue thickness, such as glue overflow and prolonged curing time affecting production efficiency. Therefore, after adjusting the glue thickness each time, the mold needs to be reassembled and detected to verify the adjustment effect and ensure that all performance indicators of the mold meet the preset standard.

[0060] Specifically, the reduction amplitude of the preset glue thickness is positively correlated with the difference between the second preset offset threshold and the second offset feature value. It can be understood that the positive correlation is explained above and will not be repeated here.

[0061] Specifically, in response to the second offset feature value being greater than or equal to the second preset offset threshold, it is determined that the reason why the assembly of the foam mold does not meet the preset standard is that the preset hole diameter of the hole processing is substandard, and the preset hole diameter is reduced according to the difference between the second offset feature value and the second preset offset threshold.

[0062] Specifically, when the second offset characteristic value is greater than or equal to the second preset offset threshold, it indicates that the offset of the top layer 3 center point after unloading the load exceeds the normal range, which is usually related to the non-standard preset aperture of the hole processing link. If the preset aperture is too large, it will cause the increase of the fitting gap between the connecting column and the unit layer, and under the action of the load, the relative sliding of each unit layer is easy to occur, which further causes the large offset of the top layer 3 center point. At this time, reducing the preset aperture according to the difference between the second offset characteristic value and the second preset offset threshold is an effective solution. By reducing the aperture, the fit between the connecting column and the unit layer can be more closely, the relative sliding is reduced, and the stability and precision of the assembled mold are improved. This adjustment method can accurately improve the problems existing in the hole processing link, and ensure that the assembly quality of the foam mold meets the preset standard. Similarly, in actual operation, the adjustment of the preset aperture also needs to be carried out according to the specific situation, so as to avoid the problems such as difficult insertion of the connecting column or damage to the mold due to too small aperture. Therefore, after adjusting the aperture each time, the assembly and detection of the mold need to be carried out again to verify the adjustment effect and ensure that all performance indicators of the mold can meet the requirements. In addition, in the hole processing process, in addition to the accuracy of the aperture, attention also needs to be paid to the accuracy of the hole position and the smoothness of the hole wall and other factors, which will also have a certain influence on the assembly quality of the mold. By comprehensively controlling each link of the hole processing, the assembly precision and quality stability of the foam mold can be further improved, and strong guarantee is provided for the implementation of the intelligent assembly method.

[0063] Specifically, the reduction range of the preset aperture is positively correlated with the difference between the second offset characteristic value and the second preset offset threshold. It can be understood that the positive correlation is explained above, and will not be repeated here.

[0064] On the other hand, the foam mold assembled by the intelligent assembly method based on the nano-reinforced composite material foam mold of the embodiment of the present application, the hardness of the connecting column of the foam mold is greater than the hardness of each unit layer of the foam mold.

[0065] Specifically, the foam mold each unit layer is respectively a base layer 1, a column layer 2 and a top layer 3, and the material of each layer is a nano-enhanced composite material. The nano-enhanced composite material can be selected from nano-clay, nano-carbon fiber, graphene derivative, carbon nanotube (CNT) or MXene / cellulose nanofiber (MXene / CNF) composite material, preferably MXene / cellulose nanofiber (MXene / CNF) composite material. The material combines the high conductivity and high mechanical properties of MXene and the environmental friendliness and processability of cellulose nanofiber, so that the foam mold has higher strength and better thermal stability while maintaining light weight, and the material selection is not limited. In actual operation, the base layer 1 serves as the basis of the foam mold, and its thickness and material selection directly affect the overall stability and carrying capacity of the mold. The column layer 2 is responsible for connecting the base layer 1 and the top layer 3, and the connecting column structure designed inside it not only enhances the longitudinal connection strength of the mold, but also further optimizes the mechanical properties of the mold by adjusting the hardness and distribution density of the connecting column. The top layer 3 is the working surface of the mold, and the surface flatness and material wear resistance of the top layer 3 have a crucial influence on the quality of the casting.

[0066] So far, the technical solutions of the present application have been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the present application, and the technical solutions after such changes or replacements will fall within the protection scope of the present application.

[0067] The above description is only the preferred embodiments of the present application and is not intended to limit the present application; for those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A method for the intelligent assembly of a foam mold based on nanoreinforced composites, characterized by, It comprises: Step S1, according to the preset aperture, the foam mold each unit layer is processed to open hole, to the preset glue thickness to each unit layer of the surface to be bonded is coated with glue processing; Step S2, after the connecting column is glued, it is inserted into the opening of the bottom mold unit layer of the foam mold; Step S3, according to the assembly sequence, the assembly bonding of each unit layer is completed in turn, and the pressure machine is used to load the molded foam mold after assembly with a preset molding load; Step S4, the bottom end of the foam mold is fixed, the first preset load in the X axis direction and the second preset load in the Y axis direction are respectively loaded on the first preset point and the second preset point at the top of the foam mold, so as to respectively obtain the X axis deformation variable and the Y axis deformation variable; Step S5, based on the X axis deformation variable and the Y axis deformation variable, the first offset characteristic value and the second offset characteristic value are obtained, and whether the assembly of the foam mold meets the preset standard is determined according to the first offset characteristic value; Step S6, in response to the determination that the assembly of the foam mold meets the preset standard, whether the assembly of the foam mold meets the preset standard is verified according to the column deformation characteristic value, or in response to the determination that the assembly of the foam mold does not meet the preset standard, the reason why the assembly of the foam mold does not meet the preset standard is determined according to the second offset characteristic value.

2. The method of claim 1, wherein the method further comprises: In response to the first offset characteristic value being less than a first preset offset threshold, it is determined that the assembly of the foam mold meets the preset standard; In response to the first offset characteristic value being greater than or equal to the first preset offset threshold, it is determined that the assembly of the foam mold does not meet the preset standard.

3. The method of claim 2, wherein the method further comprises: In response to the column deformation characteristic value being less than a preset column deformation threshold, it is verified that the assembly of the foam mold meets the preset standard; In response to the column deformation characteristic value being greater than or equal to the preset column deformation threshold, it is verified that the assembly of the foam mold does not meet the preset standard, and the preset molding load of the pressure machine is increased according to the difference between the column deformation characteristic value and the preset column deformation threshold.

4. The method of claim 3, wherein the method further comprises: The column deformation characteristic value is the ratio of the standard deviation to the average of the deformation variable of the connecting column of the foam mold in the Z direction; wherein the deformation variable is the displacement of the top end of the connecting column in the Z direction after a second preset load in the Z direction is loaded on the top third preset point directly above each connecting column of the foam mold.

5. The method of claim 4, wherein the method further comprises: The increase range of the preset molding load is positively correlated with the difference between the column deformation characteristic value and the preset column deformation threshold.

6. The method of claim 5, wherein the method further comprises: In response to the second offset characteristic value being less than a second preset offset threshold, it is determined that the reason why the assembly of the foam mold does not meet the preset standard is that the preset glue thickness of the glue processing does not meet the standard, and the preset glue thickness is reduced according to the difference between the second preset offset threshold and the second offset characteristic value.

7. The method of claim 6, wherein the method further comprises: The decrease range of the preset glue thickness is positively correlated with the difference between the second preset offset threshold and the second offset characteristic value.

8. The method of claim 7, wherein the method further comprises: In response to the second offset characteristic value being greater than or equal to the second preset offset threshold, it is determined that the reason why the assembly of the foam mold does not meet the preset standard is that the preset aperture of the hole processing does not meet the standard, and the preset aperture is reduced according to the difference between the second offset characteristic value and the second preset offset threshold.

9. The method of claim 8, wherein the method further comprises the step of: The reduction range of the preset aperture is positively correlated with a difference between the second offset characteristic value and a second preset offset threshold. ​ 10. A foam mold assembled using the intelligent assembly method of the nanoreinforced composite-based foam mold according to any one of claims 1-9, characterized in that, The hardness of the connecting column of the foam mold is greater than the hardness of each unit layer of the foam mold.

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