Progressive stiffness honeycomb aluminum manufacturing equipment, dynamic control method and related equipment

Abstract

The invention relates to the technical field of automobile passive safety, and provides manufacturing equipment of progressive rigid honeycomb aluminum and a dynamic control method of the manufacturing equipment. The manufacturing equipment of the progressive rigid honeycomb aluminum comprises an etching groove, a first electrode, a second electrode, a third electrode and a fourth electrode, the etching groove is filled with etching liquid, and the etching liquid is used for etching a honeycomb aluminum raw material; the clamping device is used for clamping the honeycomb aluminum raw material; the sensor assembly is used for measuring the liquid concentration and the liquid temperature of the etching liquid in the etching tank in real time and sending the liquid concentration and the liquid temperature to the controller; and the controller is used for determining a liquid outlet speed curve according to the liquid concentration and the liquid temperature, and controlling the clamping device according to the liquid outlet speed curve, so that the clamping device lifts the honeycomb aluminum raw material soaked in the etching tank away from the etching tank according to the liquid outlet speed curve.

Description

Technical Field

[0001] The invention relates to the technical field of automobile passive safety, and in particular to a manufacturing device for a progressively rigid honeycomb aluminum and a dynamic control method for the manufacturing device for the progressively rigid honeycomb aluminum. Background Art

[0002] In the collision test, collision honeycomb aluminum and trolley are key test devices, which play an important role in simulating and evaluating the collision performance of vehicles. The collision stiffness of the front end of the vehicle generally increases gradually from the front to the back. In order to better simulate the collision result of the front end of the vehicle, it is necessary to apply a progressive stiffness collision honeycomb aluminum with weak front and strong back.

[0003] The traditional method relies on multi-stage etching attempts to achieve the progressive stiffness of honeycomb aluminum. This process is not only costly and time-consuming, but also relies on empirical control, resulting in poor consistency and stability in production. In addition, once the gradient stiffness of honeycomb aluminum changes, it is necessary to try and explore the etching process again, which further increases production costs and complexity and is not conducive to mass production. Therefore, how to efficiently prepare progressive stiffness honeycomb aluminum has become a difficulty and pain point faced by the industry. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art to at least a certain extent. To this end, the first purpose of the present invention is to provide a manufacturing device for progressive stiffness honeycomb aluminum, which can reasonably adjust the lifting speed of the honeycomb aluminum raw material from the etching pool during the etching process to prepare an ideal progressive stiffness honeycomb aluminum, thereby reducing the cost and time of etching trial and error and improving the manufacturing efficiency of the progressive stiffness honeycomb aluminum.

[0005] The second object of the present invention is to provide a dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum.

[0006] A third objective of the present invention is to provide an electronic device.

[0007] A fourth object of the present invention is to provide a computer-readable storage medium.

[0008] To achieve the above-mentioned purpose, the first embodiment of the present invention proposes a manufacturing device for progressive stiffness honeycomb aluminum, comprising: an etching tank, the etching tank is filled with etching liquid, the etching liquid is used to etch honeycomb aluminum raw materials; a clamping device, the clamping device is used to clamp the honeycomb aluminum raw materials; a sensor assembly, the sensor assembly is used to measure the liquid concentration and liquid temperature of the etching liquid in the etching tank in real time, and send the liquid concentration and liquid temperature to a controller; a controller, the controller is used to determine a liquid outlet speed curve according to the liquid concentration and liquid temperature, and control the clamping device according to the liquid outlet speed curve, so that the clamping device can lift the honeycomb aluminum raw materials immersed in the etching tank out of the etching tank according to the liquid outlet speed curve.

[0009] In addition, the manufacturing equipment of the progressive stiffness honeycomb aluminum according to the above embodiment of the present invention may also have the following additional technical features:

[0010] According to some embodiments of the present invention, the clamping device includes a lifting device and a mechanical clamping arm; the lifting device is fixedly arranged above the etching groove, at least two mechanical clamping arms are flexibly connected to the lifting device, and the first projections of the two mechanical clamping arms to the plane where the etching groove is located are within the range of the second projection of the etching groove to the plane where the etching groove is located.

[0011] According to some embodiments of the present invention, the clamping direction of the clamping device is the same as the radial direction of the honeycomb aluminum raw material.

[0012] According to some embodiments of the present invention, a stirring device is further included. The stirring device is arranged inside the etching tank and is used to stir the etching liquid contained in the etching tank before the honeycomb aluminum raw material is immersed in the etching tank so that the etching liquid is evenly distributed in the etching tank.

[0013] According to some embodiments of the present invention, an etching liquid replenishing tank is further included, wherein the etching liquid is contained in the etching liquid replenishing tank, the etching liquid replenishing tank is selectively connected to the etching tank through a liquid inlet pipe, and the etching liquid replenishing tank is used to provide replenished etching liquid to the etching tank through the liquid inlet pipe;

[0014] The etching liquid replenishing tank is also selectively connected with the etching tank through the liquid outlet pipeline, and the etching liquid replenishing tank is also used to recover the etching liquid discharged from the etching tank through the liquid outlet pipeline.

[0015] According to some embodiments of the present invention, the liquid outlet pipeline is provided with a filtering device, and the filtering device is used to filter the etching liquid discharged from the etching tank.

[0016] According to the manufacturing equipment of progressive stiffness honeycomb aluminum of the embodiment of the present invention, the sensor component monitors the concentration of the etching liquid in real time and feeds back to the controller, and the controller calculates the preset speed according to the liquid concentration, liquid temperature and the desired progressive stiffness, and further controls the clamp to lift the honeycomb aluminum raw material out of the etching tank filled with etching liquid at the preset speed to obtain the preset progressive stiffness honeycomb aluminum, thereby reducing the trial and error cost of manufacturing progressive stiffness honeycomb aluminum, simplifying the manufacturing steps, saving manufacturing time, and improving the manufacturing efficiency of progressive stiffness honeycomb aluminum. At the same time, the manufacturing equipment is suitable for mass production of progressive stiffness honeycomb aluminum, and provides reliable test materials for automobile collision test experiments.

[0017] To achieve the above-mentioned purpose, the second embodiment of the present invention proposes a dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum, and the dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum comprises:

[0018] Control the clamping device to clamp the honeycomb aluminum raw material, and completely immerse the clamped honeycomb aluminum raw material into the etching liquid in the etching tank;

[0019] Real-time acquisition of the liquid concentration and liquid temperature of the etching solution in the etching tank;

[0020] Determine the liquid discharge rate curve according to the liquid concentration and liquid temperature;

[0021] The aluminum honeycomb raw material immersed in the etching tank is lifted out of the etching tank according to the liquid discharge speed curve.

[0022] In addition, the dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum according to the above embodiment of the present invention may also have the following additional technical features:

[0023] According to some embodiments of the present invention, determining a liquid outlet speed curve according to liquid concentration and liquid temperature includes:

[0024] Determine a first target stiffness for an initial adjustment point of the honeycomb aluminum raw material, and determine a first target thickness at the initial adjustment point according to the first target stiffness; determine a second target stiffness for an end adjustment point of the honeycomb aluminum raw material, and determine a second target thickness at the end adjustment point according to the second target stiffness; wherein the first target thickness is greater than the second target thickness;

[0025] Determine a length-thickness mapping model of the honeycomb aluminum raw material according to the first target thickness, the second target thickness and the size parameters of the honeycomb aluminum raw material; wherein the length-thickness mapping model represents the mapping relationship between the length of the honeycomb aluminum raw material and the target thickness;

[0026] Determine the volume change of the honeycomb aluminum raw material according to the liquid concentration and the liquid temperature;

[0027] Determine the etching area change of the honeycomb aluminum raw material according to the volume change;

[0028] Determine the length change of the honeycomb aluminum raw material when it is removed from the etching solution according to the etching area change and the length-thickness mapping model;

[0029] The liquid discharge speed curve of the honeycomb aluminum raw material lifted out of the etching tank is determined according to the length change.

[0030] According to a dynamic control method for manufacturing equipment of a progressive stiffness honeycomb aluminum provided in an embodiment of the present invention, by reasonably adjusting the speed at which the honeycomb aluminum raw materials are lifted out of the etching tank, honeycomb aluminum with progressive stiffness can be simply and quickly prepared, and at the same time, it can adapt to the stiffness curve of honeycomb aluminum with different gradient changes, thereby reducing the trial and error cost of etching, effectively improving the manufacturing efficiency of the progressive stiffness honeycomb aluminum, and being able to adapt to mass production.

[0031] To achieve the above-mentioned purpose, the third aspect of the present invention proposes an electronic device, comprising at least one processor and a memory communicatively connected to the at least one processor, wherein the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the dynamic control method for the manufacturing equipment of the progressive stiffness honeycomb aluminum described above.

[0032] In order to achieve the above-mentioned purpose, the fourth aspect of the present invention proposes a computer-readable storage medium, which stores computer instructions, and the computer instructions are used to enable the computer to execute the dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum.

[0033] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 A schematic diagram of a manufacturing device for a progressive stiffness honeycomb aluminum provided in an embodiment of the present invention.

[0036] Figure 2 A flow chart of a dynamic control method for manufacturing equipment for progressive stiffness honeycomb aluminum provided in an embodiment of the present invention.

[0037] Figure 3 A schematic diagram of the desired progressive stiffness curve of the honeycomb aluminum raw material provided in an embodiment of the present invention.

[0038] Figure 4 A schematic diagram of a length-thickness mapping model of a honeycomb aluminum raw material provided in an embodiment of the present invention.

[0039] Figure 5 A curve showing the relationship between the corrosion rate of the honeycomb aluminum raw material and the liquid concentration of the etching solution provided in an embodiment of the present invention.

[0040] Figure 6 A schematic diagram of the structure and dimensions of the honeycomb aluminum raw material provided in an embodiment of the present invention.

[0041] Figure 7 A schematic diagram of the surface area corresponding to the side length of any unit of the honeycomb aluminum raw material provided in an embodiment of the present invention.

[0042] Figure 8 The unit corrosion area curve of the honeycomb aluminum raw material provided by the embodiment of the present invention at any time.

[0043] Fig. 9 The structure and size diagram of the honeycomb aluminum raw material in the specific embodiment provided for the embodiment of the present invention.

[0044] Fig.10 A schematic diagram of the progressive etching stiffness curve of honeycomb aluminum raw material in a specific embodiment provided in an embodiment of the present invention.

[0045] Fig.11 A schematic diagram of the hardware structure of an electronic device provided in an embodiment of the present invention.

[0046] Reference numerals:

[0047] 1-etching tank; 2-clamping device; 21-lifting device; 22-mechanical clamping arm; 3-sensor assembly; 4-controller; 5-honeycomb aluminum raw material; 6-stirring equipment; 7-etching liquid replenishing tank; 71-liquid inlet pipe; 72-liquid outlet pipe; 721-filtering device; 100-progressive stiffness honeycomb aluminum manufacturing equipment; 1110-processor; 1120-storage; 1130-input / output interface; 1140-communication interface; 1150-bus. DETAILED DESCRIPTION

[0048] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0049] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0050] As described in the background technology section, honeycomb aluminum is an excellent high-strength, high-energy-absorbing lightweight material that has been widely used in multiple industrial fields. In the field of automotive passive safety, honeycomb aluminum is often used to manufacture non-rigid barriers in automotive collision safety regulations, taking advantage of its high energy absorption. In the new car evaluation specifications regarding collision tests, deformable barriers for collision are an important component. The purpose of the automobile collision safety test is to replicate the working conditions of a collision between two vehicles. The barrier is used to simulate the deformation and mechanical properties of the front of the car. Generally, the barrier is composed of a series of aluminum plates and honeycomb aluminum. In order to better simulate the collision results of the front end of the vehicle, the collision honeycomb aluminum needs to adopt a progressive stiffness of weak front and strong rear to represent the collision stiffness of the actual vehicle to ensure the reliability of the experimental data.

[0051] In the process of realizing the present invention, the applicant discovered that in the related art, the manufacture of honeycomb aluminum with progressive stiffness requires etching attempts on the stiffness of the honeycomb aluminum at different stages. The honeycomb aluminum is immersed in different etching solutions and different areas of the honeycomb aluminum are etched to achieve the honeycomb aluminum with progressive stiffness effect. However, this manufacturing method has a high trial and error cost and a long manufacturing time, which is not conducive to mass production.

[0052] The present application proposes a manufacturing device for progressive stiffness honeycomb aluminum, which can prepare an ideal progressive stiffness honeycomb aluminum by reasonably adjusting the lifting speed of the honeycomb aluminum raw material from the etching pool during the etching process, thereby reducing the cost and time of etching trial and error and improving the manufacturing efficiency of the progressive stiffness honeycomb aluminum. Expected.

[0053] The technical solution of the present invention is further described in detail below through specific embodiments.

[0054] refer to Figure 1 , which is a schematic diagram of a manufacturing device 100 for a progressive stiffness honeycomb aluminum provided in an embodiment of the present invention.

[0055] In an embodiment of the present application, a manufacturing device 100 for progressive stiffness honeycomb aluminum includes: an etching tank 1, the etching tank 1 is filled with an etching liquid 11, and the etching liquid 11 is used to etch the honeycomb aluminum raw material 5; a clamping device 2, the clamping device 2 is used to clamp the honeycomb aluminum raw material 5; a sensor component 3, the sensor component 3 is used to measure the liquid concentration and liquid temperature of the etching liquid 11 in the etching tank 1 in real time, and send the liquid concentration and liquid temperature to a controller 4; a controller 4, the controller 4 is used to determine a liquid outlet speed curve according to the liquid concentration and the liquid temperature, and control the clamping device 2 according to the liquid outlet speed curve, so that the clamping device 2 lifts the honeycomb aluminum raw material 5 immersed in the etching tank 1 out of the etching tank 1 according to the liquid outlet speed curve.

[0056] The etching tank 1 is filled with etching liquid for making progressive stiffness honeycomb aluminum. The liquid level of the etching liquid in the etching tank 1 needs to be greater than the length of the honeycomb aluminum material 5 along the direction of being suspended from the etching tank (in the embodiment of the present invention, it is the axial length of the honeycomb aluminum material 5) to ensure that the honeycomb aluminum material 5 can be completely immersed in the etching liquid. At the same time, in order to make the honeycomb aluminum material 5 smoothly undergo chemical etching reaction during the etching process, the liquid concentration of the etching liquid needs to be proportioned according to the requirements of the etching process to avoid generating large heat during the etching process, so as to prevent the reaction speed of the etching liquid and the honeycomb aluminum material 5 from being accelerated due to excessive temperature, thereby affecting the etching effect.

[0057] It should be noted that the preferred etching solution in the embodiment of the present invention is a commonly used acidic solution, which is preferably prepared by 10% nitric acid, 50% phosphoric acid, 10% acetic acid and pure water, wherein the etching reaction formula is 2Al+6H + =2Al 3+ +3H2.

[0058] The clamping device 2 is used to clamp the honeycomb aluminum raw material 5 to be etched, and the clamping device 2 can stably place the honeycomb aluminum raw material 5 into or lift it out of the etching tank 1 to ensure that the honeycomb aluminum raw material 5 can be etched according to the desired progressive stiffness curve.

[0059] In specific operations, the honeycomb aluminum raw material 5 is usually immersed in the etching solution through the clamping device 2 at a certain angle or manner (such as vertical, inclined, etc., but the specific posture depends on the equipment and process requirements). In this process, the etching solution will chemically react with the surface of the honeycomb aluminum raw material 5, thereby gradually etching away its surface material. Generally, the surface of the honeycomb aluminum raw material 5 showing the honeycomb pattern is the stress-bearing surface of the automobile collision test, so the honeycomb aluminum raw material 5 needs to be set with progressive stiffness in the axial direction.

[0060] As an optional embodiment, the clamping device 2 includes a lifting device 21 and a mechanical clamping arm 22; the lifting device 22 is fixedly arranged above the etching groove 1, at least two mechanical clamping arms 22 are flexibly connected to the lifting device 21, and the first projections of the two mechanical clamping arms 22 to the plane where the etching groove 1 is located are within the range of the second projection of the etching groove 1 to the plane where the etching groove 1 is located.

[0061] Specifically, the clamping device 2 is composed of a lifting device 21 and a mechanical clamping arm 22, wherein the clamping device 2 is fixed above the etching tank 1, and at least two mechanical clamping arms 22 are flexibly connected to the lifting device 21. Preferably, a hinge or a universal joint is used between the mechanical clamping arm 22 and the lifting device 21 to achieve precise control of the position of the mechanical clamping arm 22 in the direction of immersion or lifting of the honeycomb aluminum material 5. By using this device, the mechanical clamping arm 22 can flexibly adjust the position of the mechanical clamping arm 22 in the direction of immersion or lifting of the honeycomb aluminum material 5 while ensuring a stable connection, so as to meet the need to lift the honeycomb aluminum material 5 out of the etching tank 1. At the same time, in order to ensure that the clamping device 2 can place the honeycomb aluminum material 5 into the etching tank 1, it is necessary to make the first projection of the two mechanical clamping arms 22 to the plane where the etching tank 1 is located completely within the range of the second projection of the etching tank 1 to the plane where the etching tank 1 is located, that is, after the clamping device 2 clamps the honeycomb aluminum material 5, the honeycomb aluminum material 5 can be completely immersed in the etching solution of the etching tank 1.

[0062] It should be noted that the mechanical clamping arm 22 of the clamping device 2 can be made of a polymer material that is resistant to acid corrosion, such as polyurethane, polypropylene, etc. The mechanical clamping arm 22 made of a polymer material that is resistant to acid corrosion can remain stable in an acidic environment, is not easily corroded, and has high strength and high rigidity, which can ensure that the honeycomb aluminum original material 5 will not fall off when clamped for etching.

[0063] As an optional embodiment, the clamping direction of the clamping device 2 is the same as the radial direction of the honeycomb aluminum raw material 5 .

[0064] Specifically, since the honeycomb aluminum material 5 is expected to have a progressive stiffness in the axial direction, the clamping device 2 needs to clamp the honeycomb aluminum material 5 in the radial direction so that the honeycomb aluminum material 5 can be immersed in or lifted out of the etching liquid in the axial direction, so that the honeycomb aluminum material 5 is etched into a progressive stiffness in the axial direction, that is, the collision resistance of the manufactured etched honeycomb aluminum sample is guaranteed to meet the expected progressive stiffness curve.

[0065] The sensor assembly 3 includes a concentration sensor and a temperature sensor, wherein the concentration sensor is used to detect the liquid concentration of the etching solution in the etching tank 1 in real time, and the temperature sensor is used to detect the liquid temperature of the etching solution in the etching tank 1 in real time. The sensor assembly 3 is connected to the controller 4 in communication. When the sensor assembly 3 obtains the liquid concentration at the current moment, it will send the liquid concentration to the controller 4. The controller 4 calculates the corresponding different lifting speeds according to different liquid concentrations to ensure that the etched honeycomb aluminum sample that meets the desired progressive stiffness curve can be obtained. At the same time, the sensor assembly 3 is also used to monitor the liquid temperature of the etching solution in the etching tank 1 in real time. When the liquid temperature of the etching solution is not less than 45°C, the etching effect of the honeycomb aluminum raw material 5 will deviate from the expected due to heat accumulation. During the etching process, when the sensor component 3 detects that the liquid temperature is not less than 45°C, the controller 4 controls the clamping device 2 to lift the honeycomb aluminum material 5 out of the etching liquid, until the sensor component 3 detects that the liquid temperature has stabilized, and then restores the honeycomb aluminum material 5 to its position in the etching liquid before being lifted out, so as to avoid heat accumulation affecting the etching effect of the honeycomb aluminum material, thereby ensuring that the etched honeycomb aluminum sample meets the desired progressive stiffness.

[0066] The controller 4 is in communication with the clamping device 2 and the sensor assembly 3, and can determine the liquid outlet speed curve according to the liquid concentration and liquid temperature sent by the sensor assembly 3. Further, the controller 4 controls the clamping device 2 to lift the honeycomb aluminum raw material 5 out of the etching liquid 11 according to the liquid outlet speed curve, so as to obtain the honeycomb aluminum raw material 5 that meets the desired progressive stiffness curve. The honeycomb manufacturing equipment 100 of progressive stiffness honeycomb aluminum is precisely controlled by the controller 4 to ensure that the manufacturing process can be carried out according to the preset plan, which can effectively improve the manufacturing efficiency and the yield rate of collision honeycomb aluminum.

[0067] As an optional embodiment, the manufacturing equipment 100 of progressive stiffness honeycomb aluminum also includes a stirring device 6, which is arranged inside the etching tank 1 and is used to stir the etching liquid contained in the etching tank 1 before the honeycomb aluminum raw material 5 is immersed in the etching tank 1, so that the etching liquid is evenly distributed in the etching tank 1.

[0068] Specifically, since the etching solution is made of a mixture of multiple acidic solutions, before placing the honeycomb aluminum raw material 5 into the etching tank 1, it is necessary to turn on the stirring device 6 to eliminate the concentration gradient in the etching solution so that the etching solution is evenly distributed in the etching tank 1 to avoid the etching solution in the etching tank 1 having a local concentration that is too high or too low, thereby affecting the etching effect of the honeycomb aluminum raw material 5.

[0069] It should be noted that the stirring device 6 can be one or more, such as three, four, five, etc. The stirring device 6 can be arranged at the bottom of the etching tank 1 or on the side wall of the etching tank 1.

[0070] As an optional embodiment, the manufacturing equipment 100 of progressive stiffness honeycomb aluminum also includes an etching liquid replenishing tank 7, which contains etching liquid. The etching liquid replenishing tank 7 is selectively connected to the etching tank 1 through a liquid inlet pipe 71. The etching liquid replenishing tank 7 is used to provide replenished etching liquid to the etching tank 1 through the liquid inlet pipe 71.

[0071] As an optional embodiment, the etching liquid replenishing tank 7 is also selectively connected to the etching tank 1 through the liquid outlet pipe 72 , and the etching liquid replenishing tank 7 is also used to recover the etching liquid discharged from the etching tank 1 through the liquid outlet pipe 72 .

[0072] As an optional embodiment, the liquid outlet pipe 72 is provided with a filtering device 721 , and the filtering device 721 is used to filter the etching liquid discharged from the etching tank 1 .

[0073] The filter device 721 can effectively filter out impurities generated during the etching reaction, thereby preventing the impurities from being left in the etching solution and affecting the etching reaction when etching is performed again.

[0074] Specifically, the etching liquid replenishing tank 7 contains etching liquid, and the liquid inlet pipe 71 of the etching liquid replenishing tank 7 is selectively connected with the etching tank 1, so as to replenish the etching liquid in the etching tank 1. The liquid outlet pipe 72 of the etching liquid replenishing tank 7 is selectively connected with the etching tank 1, so as to lead out the etching liquid in the etching tank 1. The filtering device 721 is arranged in the liquid outlet pipe 72, so as to effectively filter the impurities generated during the etching reaction, so as to prevent the impurities from affecting the etching reaction in the etching liquid.

[0075] Optionally, after etching is completed, the controller 4 controls the liquid outlet pipe 72 to be connected with the etching tank 1 to draw out all the etching liquid in the etching tank 1. Further, the liquid inlet pipe 71 is controlled to be connected with the etching tank 1 to replenish the etching liquid in the etching tank 1. By respectively controlling the opening of the liquid inlet pipe 71 and the liquid outlet pipe 72, it can ensure that the etching liquid in the etching tank 1 can be fully filtered to avoid impurities in the etching liquid affecting the etching effect. At the same time, the operating steps of replacing the etching liquid in the manufacturing process are simplified, and the manufacturing efficiency is effectively improved.

[0076] Optionally, after the etching is completed, the controller 4 controls the liquid inlet pipe 71 and the liquid outlet pipe 72 to be in a connected state, and the liquid outlet pipe 72 of the etching liquid replenishing tank 7 cooperates with the liquid inlet pipe 71, so that the etching liquid in the etching liquid replenishing tank 7 and the etching liquid in the etching tank 1 form a dynamic circulation, ensuring that the etching liquid in the etching tank 1 can maintain the same concentration as before the etching reaction starts, without the need to replace the etching liquid in the etching tank 1 as a whole, further enabling the next etching reaction to proceed smoothly, simplifying the operating steps of replacing the etching liquid in the manufacturing process, and effectively improving the manufacturing efficiency.

[0077] From the above description, it can be seen that the manufacturing equipment of the progressive stiffness honeycomb aluminum provided by the present invention utilizes the sensor component to monitor the liquid concentration and liquid temperature of the etching solution in real time and feeds back to the controller, and the controller controls the clamping device to lift the honeycomb aluminum raw material out of the etching tank filled with etching solution at a preset speed to obtain honeycomb aluminum that meets the desired progressive stiffness curve, which effectively reduces the trial and error cost of manufacturing progressive stiffness honeycomb aluminum, simplifies the manufacturing steps, saves manufacturing time, and improves the efficiency of manufacturing progressive stiffness honeycomb aluminum. At the same time, the manufacturing equipment of the progressive stiffness honeycomb aluminum provided by the present invention is more suitable for mass production, and provides reliable test materials for automobile collision test experiments.

[0078] Based on the same inventive concept, corresponding to the method provided in any of the above embodiments, the present invention also provides a dynamic control method for manufacturing equipment for progressive stiffness honeycomb aluminum.

[0079] refer to Figure 2 , which is a flow chart of a dynamic control method for a manufacturing device for progressive stiffness honeycomb aluminum provided in an embodiment of the present invention.

[0080] Step S201, controlling the clamping device to clamp the honeycomb aluminum raw material, and completely immersing the clamped honeycomb aluminum raw material into the etching solution in the etching tank.

[0081] Specifically, the honeycomb aluminum raw material is connected to the lifting device through a mechanical clamping arm, and the height of the etching liquid in the etching tank should be greater than the length of the honeycomb aluminum raw material in the axial direction to ensure that the honeycomb aluminum raw material can be completely immersed in the etching liquid. The controller controls the clamping device to clamp the honeycomb aluminum raw material, and further immerses the honeycomb aluminum raw material completely in the etching liquid in the etching tank, so that the honeycomb aluminum raw material and the etching liquid in the etching tank undergo a sufficient etching reaction, thereby avoiding the produced honeycomb aluminum sample not meeting the desired progressive stiffness curve due to incomplete infiltration.

[0082] Step S202, obtaining the liquid concentration and liquid temperature of the etching solution in the etching tank in real time.

[0083] Specifically, the sensor assembly in the etching tank can obtain the concentrated liquid concentration and liquid temperature of the etching solution in real time during the etching reaction process. Since the change in the liquid concentration of the etching solution affects the etching reaction speed, the etching reaction speed further affects the volume of the honeycomb aluminum raw material etched away. Since the volume of the honeycomb aluminum raw material changes, the thickness of the honeycomb aluminum raw material changes accordingly, and the change in the thickness of the honeycomb aluminum raw material is also related to the liquid discharge speed of the honeycomb aluminum raw material being lifted out of the etching solution. Therefore, the liquid discharge speed of the honeycomb aluminum raw material is related to the concentration of the etching solution.

[0084] Specifically, the sensor assembly obtains the liquid temperature of the etching liquid in real time to ensure that the liquid temperature is not greater than 45°C. When the liquid temperature is 45°C, the controller controls the clamping device to quickly lift the honeycomb aluminum raw material out of the etching liquid to avoid the honeycomb aluminum from being affected by the etching effect due to heat accumulation. When the sensor assembly detects that the liquid temperature tends to be stable, the controller controls the clamping device to place the honeycomb aluminum raw material in the position before lifting out the etching liquid, thereby ensuring that the stiffness of the etched honeycomb aluminum sample meets the predetermined progressive stiffness curve.

[0085] Step S203, determining a liquid outlet speed curve according to the liquid concentration and the liquid temperature.

[0086] Specifically, since the liquid discharge speed of the honeycomb aluminum raw material is related to the concentration of the etching solution, and the liquid concentration at any time is different during the etching reaction, it is necessary to detect the liquid concentration of the etching solution in real time to determine the liquid discharge speed corresponding to the current time. The controller can determine the liquid discharge speed curve of the honeycomb aluminum raw material according to the liquid concentration and liquid temperature of the etching solution, and in combination with the desired progressive stiffness curve. Further, the clamping device is controlled during the etching process so that the clamping device can lift the honeycomb aluminum raw material out of the etching tank according to the liquid discharge speed curve, so as to achieve etching of the honeycomb aluminum into the desired progressive stiffness.

[0087] As an optional embodiment, determining the liquid outlet rate curve according to the liquid concentration and the liquid temperature also includes: determining a first target stiffness for an initial adjustment point of the honeycomb aluminum material, and determining a first target thickness of the initial adjustment point according to the first target stiffness; determining a second target stiffness for a terminal adjustment point of the honeycomb aluminum material, and determining a second target thickness of the terminal adjustment point according to the second target stiffness; wherein the first target thickness is greater than the second target thickness.

[0088] Specifically, Figure 3 As shown in FIG. 1 , it is a schematic diagram of the desired progressive etching stiffness curve of the honeycomb aluminum raw material provided in an embodiment of the present invention, wherein point A represents the initial stiffness σ of the honeycomb aluminum raw material. A , and represents the first target stiffness of the initial adjustment point of the honeycomb aluminum raw material, and point B represents the second target stiffness σ of the final adjustment point of the honeycomb aluminum raw material B , which is also the position where the etching liquid needs to etch the most. Further, the first target thickness of the initial adjustment point corresponding to point A is x A The second target thickness corresponding to the end adjustment point at point B is x B Since the stiffness of point A is equal to the initial stiffness of the honeycomb aluminum raw material, that is, the first target thickness of the initial adjustment point of point A is also the initial thickness of the honeycomb aluminum raw material, the second target thickness x of the termination adjustment point is further determined according to the second target stiffness. B The calculation formula is:

[0089]

[0090] As an optional embodiment, a length-thickness mapping model of the honeycomb aluminum material is determined according to the first target thickness, the second target thickness and the size parameters of the honeycomb aluminum material; wherein the length-thickness mapping model characterizes the mapping relationship between the length of the honeycomb aluminum material and the target thickness.

[0091] Specifically, the length-thickness mapping model of the honeycomb aluminum raw material is determined according to the first target thickness, the second target thickness and the size parameters of the honeycomb aluminum raw material. Figure 4 As shown, the length-thickness mapping model can characterize the mapping relationship between the length of the honeycomb aluminum raw material and the target thickness.

[0092] refer to Figure 4 , the length of the honeycomb aluminum raw material in the axial direction is T, and further, the thickness x' of the honeycomb aluminum raw material to be corroded corresponding to the position where the honeycomb aluminum length is T' can be obtained as:

[0093]

[0094] Among them, T A Represents the length of the honeycomb aluminum raw material at point A relative to point A, in mm; T B It represents the length of the honeycomb aluminum material at point B relative to point A, in mm; T' represents the length of the honeycomb aluminum material corresponding to point A when the thickness is x', in mm.

[0095] As an optional embodiment, the volume change of the honeycomb aluminum raw material is determined according to the liquid concentration and the liquid temperature.

[0096] Specifically, the etching reaction of the honeycomb aluminum raw material in the etching solution is related to the etching solution liquid concentration and liquid temperature. The change in the volume of the honeycomb aluminum raw material corroded per unit time is the etching speed v of the etching solution. The corrosion speed v can be obtained by placing standard honeycomb aluminum blocks of different volumes in the etching solution in advance and measuring the etching solution liquid concentration p in real time. The relationship curve between the corrosion speed v and the etching solution liquid concentration p is further obtained, as shown in v(t)=f(p(t)). Figure 5 When the liquid temperature is not more than 45°C, the calculation formula of the corroded volume Q' of the honeycomb aluminum raw material at time t' is:

[0097]

[0098] As an optional embodiment, the etching area change of the honeycomb aluminum raw material is determined according to the volume change; and the length change of the honeycomb aluminum raw material removed from the etching solution is determined according to the etching area change and a length-thickness mapping model.

[0099] Specifically, the corresponding dimensions of the honeycomb aluminum raw material are as follows: Figure 6 As shown, by calculating the cross-sectional area, the number of units N in the honeycomb aluminum raw material can be calculated as:

[0100]

[0101] Among them, L represents the length of the honeycomb aluminum raw material in the radial direction, in mm; W represents the length of the honeycomb aluminum raw material in the direction orthogonal to the radial direction, in mm; T represents the length of the honeycomb aluminum raw material in the axial direction, in mm; c represents the side length of each unit in the honeycomb aluminum raw material, in mm.

[0102] Furthermore, the corresponding surface area S of the honeycomb aluminum raw material can be calculated as:

[0103]

[0104] It should be noted that the surface area S corresponding to the honeycomb aluminum raw material includes the outer surface area and inner surface area of ​​the honeycomb aluminum raw material. Since the thickness of the honeycomb aluminum raw material is reduced in the etching reaction at the μm level, the inner and outer surface areas of each unit in the honeycomb aluminum raw material can be approximated to be the same. In the surface area formula, 6 represents that any unit of the honeycomb aluminum raw material has 6 sides, such as Figure 7 As shown, the unit surface area corresponding to each edge in the unit is S1, S2, S3, S4, S5 and S6, and its size is cT. N units have a total of 6N unit surface areas. Due to this calculation method, the surface area corresponding to the side length of every two adjacent units is calculated twice, so it needs to be divided by 2 to get the actual surface area.

[0105] Furthermore, if Figure 8 The unit corrosion area curve at any time is shown, which can indicate that the volume Q' of the honeycomb aluminum material that has been corroded at t' is in a corresponding relationship with the etching area change R' of the honeycomb aluminum material. R' can also be understood as the gradually increasing theoretical corrosion area of ​​honeycomb aluminum. The corresponding relationship formula is:

[0106]

[0107] As an optional embodiment, the liquid discharge speed curve of the honeycomb aluminum raw material being lifted out of the etching tank is determined according to the length change.

[0108] Specifically, at time t', the lifting speed u' of the honeycomb aluminum raw material by the clamping device and the corresponding lifting distance of the honeycomb aluminum raw material have the following corresponding relationship:

[0109]

[0110] It can be further deduced that the calculation formula for the liquid discharge velocity curve of the honeycomb aluminum raw material being lifted out of the etching tank is:

[0111]

[0112] Step S204, lifting the aluminum honeycomb raw material immersed in the etching tank out of the etching tank according to the liquid discharge speed curve.

[0113] Specifically, the controller controls the clamping device to dynamically adjust according to the calculated liquid outlet speed curve, and lifts the honeycomb aluminum raw material immersed in the etching tank out of the etching tank to ensure that the stiffness of the finally manufactured etched honeycomb aluminum sample meets the desired progressive stiffness curve.

[0114] Optionally, the method provided by the present invention is further described in detail in conjunction with the following specific embodiments.

[0115] refer to Fig. 9 The honeycomb aluminum raw material provided in this embodiment is 3003 aluminum alloy, and its dimensions are: the length L of the honeycomb aluminum raw material in the radial direction is 200 mm, the length W of the honeycomb aluminum raw material in the direction perpendicular to the radial direction is 200 mm, the length T of the honeycomb aluminum raw material in the axial direction is 210 mm, and the first target thickness x of the honeycomb aluminum initial adjustment point is A It is 0.065mm, and the side length c of each unit in the honeycomb aluminum raw material is 10mm.

[0116] refer to Fig.10 The first target stiffness of the initial adjustment point A of the honeycomb aluminum raw material is 0.4Mpa, and the second target stiffness of the terminal adjustment point B of the honeycomb aluminum raw material is 0.2Mpa.

[0117] Furthermore, the second target thickness is calculated according to the first target stiffness, the first target thickness and the second target stiffness as follows:

[0118]

[0119] Furthermore, the liquid concentration and liquid temperature determine the volume change of the honeycomb aluminum raw material, wherein the corrosion rate v is related to the etching solution H + The relationship between the relative concentrations p of ions is:

[0120] v(t)=1.92×10 -6 ×[1-1.53(1-p(t))]

[0121] Furthermore, the etching solution H detected by the sensor assembly + The relationship between the relative ion concentration p and the corrosion time t is:

[0122] p(t)=1-6.94×10 -6 ×t

[0123] Furthermore, the relationship between the corrosion rate v and the corrosion time t is obtained as follows:

[0124] v(t)=1.92×10 -6 ×(1-1.53×6.94×10 -6 ×t)

[0125] Furthermore, the calculation formula for the corroded volume Q of the honeycomb aluminum raw material at time t is obtained as follows:

[0126]

[0127] Furthermore, by substituting the parameters into the calculation formula of the liquid discharge speed curve of the honeycomb aluminum raw material being lifted out of the etching tank, the corresponding relationship between the liquid discharge speed and time can be obtained as follows:

[0128]

[0129] According to a dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum provided by an embodiment of the present invention, a liquid outlet speed curve corresponding to any time is derived through a desired progressive stiffness curve in combination with etching solution concentration, corrosion rate, size of honeycomb aluminum, etc., and a controller further lifts the honeycomb aluminum raw material out of the etching solution according to the liquid outlet curve to obtain the desired progressive stiffness honeycomb aluminum, thereby simplifying the steps of making progressive stiffness honeycomb aluminum, thereby improving production efficiency, saving trial and error costs, and being more suitable for mass production.

[0130] It should be noted that the dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum of the embodiment of the present invention can be executed by a single device, such as a computer or a server. The method of this embodiment can also be applied to a distributed scenario and completed by multiple devices cooperating with each other. In the case of such a distributed scenario, one of the multiple devices can only execute one or more steps in the method of the embodiment of the present invention, and the multiple devices will interact with each other to complete the described method.

[0131] It should be noted that some embodiments of the present invention are described above. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the above embodiments and still achieve the desired results. In addition, the processes depicted in the accompanying drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0132] Based on the same inventive concept, corresponding to the dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum described in any of the above embodiments, the present invention also provides an electronic device, including at least one processor and a memory connected to the at least one processor in communication. The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum described above.

[0133] Fig.11 A more specific schematic diagram of the structure of an electronic device provided in this embodiment is shown, and the device may include: a processor 1110, a memory 1120, an input / output interface 1130, a communication interface 1140, and a bus 1050. The processor 1110, the memory 1120, the input / output interface 1130, and the communication interface 1140 are connected to each other in communication within the device through the bus 1050.

[0134] The processor 1110 can be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided in the embodiments of this specification.

[0135] The memory 1120 may be implemented in the form of ROM (Read Only Memory), RAM (Random Access Memory), static storage device, dynamic storage device, etc. The memory 1120 may store an operating system and other application programs. When the technical solutions provided in the embodiments of this specification are implemented by software or firmware, the relevant program codes are stored in the memory 1120 and are called and executed by the processor 1110.

[0136] The input / output interface 1130 is used to connect the input / output module to realize information input and output. The input / output module can be configured in the device as a component (not shown in the figure), or it can be externally connected to the device to provide corresponding functions. The input device may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output device may include a display, a speaker, a vibrator, an indicator light, etc.

[0137] The communication interface 1140 is used to connect a communication module (not shown) to realize communication interaction between the device and other devices. The communication module can realize communication through a wired mode (such as USB, network cable, etc.) or a wireless mode (such as mobile network, WIFI, Bluetooth, etc.).

[0138] The bus 1050 includes a path that transmits information between the various components of the device (eg, the processor 1110 , the memory 1120 , the input / output interface 1130 , and the communication interface 1140 ).

[0139] It should be noted that, although the above device only shows the processor 1110, the memory 1120, the input / output interface 1130, the communication interface 1140 and the bus 1050, in the specific implementation process, the device may also include other components necessary for normal operation. In addition, it can be understood by those skilled in the art that the above device may also only include the components necessary for implementing the embodiments of the present specification, and does not necessarily include all the components shown in the figure.

[0140] The electronic device of the above embodiment is used to implement the dynamic control method of the corresponding progressive stiffness honeycomb aluminum manufacturing equipment in any of the above embodiments, and has the beneficial effects of the corresponding method embodiment, which will not be repeated here.

[0141] Based on the same inventive concept, corresponding to the method described in any of the above embodiments, the present invention also provides a non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute the dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum as described in any of the above embodiments.

[0142] The above-mentioned non-transitory computer-readable storage medium can be any available medium or data storage device that can be accessed by a computer, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.

[0143] The computer instructions stored in the storage medium of the above embodiment are used to enable the computer to execute the dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum as described in any embodiment in the above exemplary method part, and have the beneficial effects of the corresponding method embodiment, which will not be repeated here.

[0144] In addition, although the operations of the dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum of the present invention are described in a specific order in the drawings, this does not require or imply that these operations must be performed in this specific order, or that all the operations shown must be performed to achieve the desired results. On the contrary, the steps depicted in the flow chart can change the execution order. Additionally or alternatively, some steps can be omitted, multiple steps can be combined into one step, and / or one step can be decomposed into multiple steps.

[0145] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0146] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the embodiments of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0147] Although the spirit and principle of the present invention have been described with reference to several specific embodiments, it should be understood that the present invention is not limited to the disclosed specific embodiments, and the division of various aspects does not mean that the features in these aspects cannot be combined to benefit, and this division is only for the convenience of expression. The present invention is intended to cover various modifications and equivalent arrangements included in the spirit and scope of the attached claims. The scope of the attached claims conforms to the broadest interpretation, thereby including all such modifications and equivalent structures and functions.

Claims

1. A manufacturing device for progressive stiffness honeycomb aluminum, characterized in that: include: An etching tank (1), wherein the etching tank (1) contains an etching liquid, and the etching liquid is used to etch the honeycomb aluminum raw material (5); A clamping device (2), wherein the clamping device (2) is used to clamp the honeycomb aluminum raw material (5); A sensor component (3), the sensor component (3) being used to measure the liquid concentration and liquid temperature of the etching liquid in the etching tank (1) in real time, and to send the liquid concentration and the liquid temperature to the sensor component (3); A controller (4), the controller (4) being used to determine a liquid discharge speed curve according to the liquid concentration and the liquid temperature, and to control the clamping device (2) according to the liquid discharge speed curve, so that the clamping device (2) lifts the honeycomb aluminum raw material (5) immersed in the etching tank (1) out of the etching tank (1) according to the liquid discharge speed curve.

2. The manufacturing equipment of progressive stiffness aluminum honeycomb according to claim 1, characterized in that: The clamping device (2) comprises a lifting device (21) and a mechanical clamping arm (22); The lifting device (21) is fixedly arranged above the etching groove (1), and at least two of the mechanical clamping arms (22) are flexibly connected to the lifting device (21), and the first projections of the two mechanical clamping arms (22) onto the plane where the etching groove (1) is located are within the range of the second projection of the etching groove (1) onto the plane where the etching groove (1) is located.

3. The manufacturing equipment of progressive stiffness aluminum honeycomb according to claim 2, characterized in that: The clamping direction of the clamping device (2) is the same as the radial direction of the honeycomb aluminum raw material (5).

4. The manufacturing equipment of progressive stiffness aluminum honeycomb according to claim 3, characterized in that: Also includes: A stirring device (6) is arranged inside the etching tank (1) and is used to stir the etching liquid contained in the etching tank (1) before the honeycomb aluminum raw material (5) is immersed in the etching tank (1), so that the etching liquid is evenly distributed in the etching tank (1).

5. The manufacturing equipment of progressive stiffness aluminum honeycomb according to claim 4, characterized in that: Also includes: An etching liquid replenishing tank (7), wherein the etching liquid replenishing tank (7) contains etching liquid, the etching liquid replenishing tank (7) is selectively connected to the etching tank (1) via a liquid inlet pipe (71), and the etching liquid replenishing tank (7) is used to provide replenished etching liquid to the etching tank (1) via the liquid inlet pipe (71); The etching liquid replenishing tank (7) is also selectively connected to the etching tank (1) via a liquid outlet pipe (72), and the etching liquid replenishing tank (7) is also used to recover the etching liquid discharged from the etching tank (1) via the liquid outlet pipe (72).

6. The manufacturing equipment of progressive stiffness honeycomb aluminum according to claim 5, characterized in that: The liquid outlet pipe (72) is provided with a filtering device (721), and the filtering device (721) is used to filter the etching liquid discharged from the etching tank (1).

7. A dynamic control method for manufacturing equipment of progressive stiffness honeycomb aluminum, characterized in that: Applied to a sensor assembly, the method comprises: Controlling the clamping device to clamp the honeycomb aluminum raw material, and completely immersing the clamped honeycomb aluminum raw material into the etching liquid in the etching tank; Real-time acquisition of the liquid concentration and liquid temperature of the etching solution in the etching tank; Determine a liquid outlet speed curve according to the liquid concentration and the liquid temperature; The aluminum honeycomb raw material immersed in the etching tank is lifted out of the etching tank according to the liquid discharge speed curve.

8. The dynamic control method of the manufacturing equipment of the progressive stiffness honeycomb aluminum according to claim 7 is characterized in that: The step of determining the liquid outlet speed curve according to the liquid concentration and the liquid temperature includes: Determine a first target stiffness for an initial separation point of the honeycomb aluminum raw material, and determine a first target thickness for the initial separation point according to the first target stiffness; determine a second target stiffness for a termination separation point of the honeycomb aluminum raw material, and determine a second target thickness for the termination separation point according to the second target stiffness; wherein the first target thickness is greater than the second target thickness; Determining a length-thickness mapping model of the honeycomb aluminum raw material according to the first target thickness, the second target thickness and the size parameters of the honeycomb aluminum raw material; wherein the length-thickness mapping model represents a mapping relationship between the length of the honeycomb aluminum raw material and the target thickness; Determining a volume change of the aluminum honeycomb raw material according to the liquid concentration and the liquid temperature; Determining the etching area change of the honeycomb aluminum raw material according to the volume change; Determine the length change of the honeycomb aluminum raw material removed from the etching solution according to the etching area change and the length-thickness mapping model; The liquid discharge speed curve of the honeycomb aluminum raw material being lifted out of the etching tank is determined according to the length change.

9. An electronic device, characterized in that: The electronic device comprises: at least one processor; and a memory in communication with the at least one processor; wherein, The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the dynamic control method for manufacturing equipment for progressive stiffness honeycomb aluminum according to any one of claims 7-8.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute the dynamic control method for manufacturing equipment for progressive stiffness honeycomb aluminum according to any one of claims 7 to 8.

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