Equipment and method for preparing fiber arrangement micron-scale controllable ultra-thin layer composite prepreg

Abstract

The invention belongs to the technical field of preparation of composite prepregs, and provides equipment and a method for preparing fiber arrangement micron-sized controllable ultra-thin composite prepregs. The equipment comprises a shell, a protofilament preparation assembly, a filament supply assembly, a fiber oxidation assembly, a fiber carbonization assembly, a fiber sizing assembly, a fiber tension control assembly, a fiber position adjusting assembly and a fiber winding assembly. According to the equipment and the method for preparing the ultra-thin layer composite material prepreg with the micron-sized controllable fiber arrangement, the fiber position can be accurately controlled, the micron-sized accurate arrangement of the fiber is realized, the uniformity and the regularity of fiber distribution are ensured, the mechanical property and the stability of the composite material can be remarkably improved, and the application prospect is wide. The appearance of a fat-rich region and a fiber-rich region is reduced; a nondestructive fiber treatment and layering method is adopted, and fiber tension and position are precisely controlled, so that fiber damage caused by fiber expansion in a traditional method is avoided, and integrity and strength of fibers are kept.

Description

Technical Field

[0001] The present invention relates to the technical field of composite material prepreg preparation, and in particular to a device and method for preparing an extremely thin layer composite material prepreg with micron-level controllable fiber arrangement. Background Art

[0002] Fiber-reinforced composite materials are widely used in cutting-edge technology fields such as aerospace, aircraft structures, vehicles, and wind turbine blades due to their superior strength, stiffness, and lightweight characteristics. However, due to the characteristics of fibers, their diameters are usually around a few microns to tens of microns, resulting in composite materials produced by current processes often containing fat-rich areas and fiber-rich areas, which leads to unstable product performance and cannot meet the needs of certain special applications, resulting in a large safety factor in the design process.

[0003] Composite materials with regular fiber arrangement have higher mechanical properties, fatigue resistance and thermodynamic properties, especially in aerospace load-bearing structures with extremely high material performance requirements, and have great market potential and application prospects. In addition, by precisely controlling the spacing and regularity of fiber arrangement, the wave absorption performance of carbon fiber composite materials can be improved, with better stealth effect and lightweight performance, reducing the possibility of being detected.

[0004] In current engineering technology practice, there is no composite material prepreg and composite material preparation equipment that can achieve precise control of fiber arrangement spacing. The current frontier field explores methods to increase the uniformity of fiber distribution, mainly through the fiber expansion method to evenly expand the fiber bundle. However, this method does not achieve controllable fiber distribution spacing, and it cannot achieve uniform fiber distribution in space. Moreover, the fiber expansion method will damage the fiber. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide an apparatus and method for preparing an ultra-thin layer composite material prepreg with controllable fiber arrangement at the micron level, so as to solve the problems in the prior art.

[0006] The present invention is achieved by providing a device for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement, comprising:

[0007] A housing for mounting various parts;

[0008] A raw material preparation component is used to process raw materials into fiber raw materials; the raw material preparation component is arranged in the housing;

[0009] A silk supply assembly, used for conveying the fiber precursor prepared by the precursor preparation assembly; the silk supply assembly is arranged in the housing and is located below the precursor preparation assembly;

[0010] A fiber oxidation assembly, used for oxidizing the fiber precursors delivered by the silk supply assembly; the fiber oxidation assembly is disposed in the housing and below the silk supply assembly;

[0011] A fiber carbonization component, used for carbonizing the fiber precursors transported by the fiber oxidation component; the fiber carbonization component is disposed in the housing and below the fiber oxidation component;

[0012] A fiber sizing component, used for sizing the carbon fiber filaments conveyed by the fiber carbonization component; the fiber sizing component is arranged in the housing and is located below the fiber carbonization component;

[0013] A fiber tension control component, used to control the tension of the fiber filaments conveyed by the fiber sizing component; the fiber tension control component is arranged in the housing and is located below the fiber sizing component;

[0014] A fiber position adjustment component, used for adjusting the position of the fiber filaments delivered by the fiber tension control component; the fiber position adjustment component is arranged in the housing and is located below the fiber tension control component;

[0015] The fiber winding assembly is used for winding the fiber filaments conveyed by the fiber position adjustment assembly; the fiber winding assembly is arranged in the shell and is located below the fiber position adjustment assembly.

[0016] Optionally, the silk supply assembly includes: a spinneret, which is arranged in the shell and located below the raw silk preparation assembly.

[0017] Optionally, the raw silk preparation component includes: a reaction furnace and an air intake pipe, wherein the reaction furnace is arranged in the shell and located above the silk supply component, and the air intake pipe is arranged on the top of the shell and connected to the reaction furnace.

[0018] Optionally, the fiber oxidation assembly comprises: an oxidation furnace and a first fiber guide net, wherein the oxidation furnace is disposed in the outer shell and below the wire supply assembly, and the first fiber guide net is arranged in the oxidation furnace.

[0019] Optionally, the fiber carbonization assembly comprises: a carbonization furnace and a second fiber guide net, wherein the carbonization furnace is disposed in the housing and below the fiber oxidation assembly, and the second fiber guide net is arranged in the carbonization furnace.

[0020] Optionally, the fiber sizing assembly comprises: a surface treatment chamber and a third fiber guide net, wherein the surface treatment chamber is disposed in the outer shell and below the fiber carbonization assembly, and the third fiber guide net is arranged in the surface treatment chamber.

[0021] Optionally, the fiber tension control component includes: a fourth fiber guide net, a roller, a rotating motor and a tension sensor, wherein the fourth fiber guide net, the roller, the rotating motor and the tension sensor are all arranged in the shell and are all located below the fiber carbonization component, the fourth fiber guide net is located above the roller, the tension sensor is arranged at the end of the roller, and the rotating motor is connected to the roller shaft and to the tension sensor.

[0022] Optionally, the fiber position adjustment component includes: a mobile platform, a horizontally movable cylinder and a fiber position control plate, wherein the mobile platform is arranged in the outer shell and is located below the fiber tension control component, the horizontally movable cylinder is arranged on the mobile platform and is connected to the fiber position control plate, and a groove body is arranged on the fiber position control plate.

[0023] Optionally, the fiber winding assembly includes: a driving motor, a fiber winding hub, a supporting frame and a connecting bearing, wherein the driving motor and the supporting frame are relatively arranged on the inner bottom wall of the outer shell, the connecting bearing is arranged on the supporting frame, the two ends of the fiber winding hub are respectively connected to the connecting bearing and the driving motor, and the surface of the fiber winding hub is wrapped with a prepreg resin film.

[0024] The present application also provides a method for preparing an ultra-thin composite material prepreg with micron-level controllable fiber arrangement, which is implemented based on any of the above-mentioned devices for preparing an ultra-thin composite material prepreg with micron-level controllable fiber arrangement, and the method comprises the steps of:

[0025] The precursor preparation component processes the raw materials into fiber precursors in a fibrous form;

[0026] The silk supply component conveys the fiber precursor prepared by the precursor preparation component;

[0027] The fiber oxidation component oxidizes the fiber precursor delivered by the fiber supply component;

[0028] The fiber carbonization component carbonizes the fiber precursor delivered by the fiber oxidation component;

[0029] The fiber sizing component sizes the carbon fiber filaments conveyed by the fiber carbonization component;

[0030] A fiber tension control component controls the tension of the fiber filaments conveyed by the fiber sizing component;

[0031] The fiber position adjustment component adjusts the position of the fiber filaments delivered by the fiber tension control component;

[0032] The fiber winding assembly winds the fiber filaments delivered by the fiber position adjustment assembly.

[0033] The present application provides an ultra-thin layer composite material prepreg preparation device and method with micron-level controllable fiber arrangement, which can accurately control the fiber position, realize the accurate arrangement of fibers at the micron level, ensure the uniformity and regularity of fiber distribution, significantly improve the mechanical properties and stability of the composite material, and reduce the appearance of fat-rich areas and fiber-rich areas; adopt a non-destructive fiber processing and laying method, and avoid fiber damage caused by fiber expansion in traditional methods by precisely controlling fiber tension and position, maintain the integrity and strength of the fiber, and thus improve the performance of the composite material; accurately control the spacing and regularity of fiber arrangement, which can significantly improve the mechanical properties, fatigue resistance and thermodynamic properties of the composite material, and is particularly suitable for cutting-edge scientific and technological fields such as aerospace, aircraft structures and wind turbine blades that have extremely high requirements on material properties; by precisely controlling the fiber arrangement, the wave absorbing performance of carbon fiber composite materials is improved, and it has better stealth effect and lightweight performance, reduces the possibility of being detected, and is particularly suitable for military and stealth technology fields; while improving the performance and production efficiency of composite materials, it meets the diversified needs of different application fields, and has broad application prospects and market potential. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic structural diagram of an apparatus for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement according to an embodiment of the present invention;

[0035] Figure 2 This is a schematic structural diagram of an apparatus for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement according to an embodiment of the present invention;

[0036] Figure 3 This is a schematic structural diagram of a fiber position adjustment component in an ultra-thin layer composite material prepreg preparation device with micron-level controllable fiber arrangement according to an embodiment of the present invention;

[0037] Figure 4 This is a schematic structural diagram of a fiber winding assembly in an apparatus for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement according to an embodiment of the present invention;

[0038] Figure 5 This is a schematic structural diagram of an apparatus for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement according to an embodiment of the present invention;

[0039] Figure 6 This is a microscopic effect diagram of the fiber layer of the prior art;

[0040] Figure 7 This is a microscopic view of the fiber layer obtained by an apparatus for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement according to an embodiment of the present invention. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0042] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0043] See also Figure 1-5 The present application provides a device for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement, comprising:

[0044] Housing 10, used for mounting various parts;

[0045] The precursor preparation component 30 is used to process the raw materials into fiber precursors; the precursor preparation component 30 is arranged in the housing 10;

[0046] The silk supply assembly 20 is used to transport the fiber precursor prepared by the precursor preparation assembly 30; the silk supply assembly 20 is arranged in the housing 10 and is located below the precursor preparation assembly 30;

[0047] The fiber oxidation assembly 40 is used to oxidize the fiber raw yarn delivered by the yarn supply assembly 20; the fiber oxidation assembly 40 is arranged in the housing 10 and is located 20 below the yarn supply assembly;

[0048] A fiber carbonization component 50 is used to carbonize the fiber precursors delivered by the fiber oxidation component 40; the fiber carbonization component 50 is disposed in the housing 10 and is located below the fiber oxidation component 40;

[0049] A fiber sizing component 60 is used for sizing the carbon fiber filaments conveyed by the fiber carbonization component 50; the fiber sizing component 60 is disposed in the housing 10 and is located below the fiber carbonization component 50;

[0050] A fiber tension control component 70, used to control the tension of the fiber filaments conveyed by the fiber sizing component 60; the fiber tension control component 70 is disposed in the housing 10 and is located below the fiber sizing component 60;

[0051] A fiber position adjustment component 80 is used to adjust the position of the fiber filaments delivered by the fiber tension control component 70; the fiber position adjustment component 80 is disposed in the housing 10 and is located below the fiber tension control component 70;

[0052] The fiber winding assembly 90 is used to wind the fiber filaments delivered by the fiber position adjustment assembly 80 ; the fiber winding assembly 90 is disposed in the housing 10 and is located below the fiber position adjustment assembly 80 .

[0053] In the embodiment of the present application, the precursor preparation component 30 produces the raw material into a precursor, the precursor generated by the precursor preparation component 30 is ejected by the silk supply component 20 to obtain fiber precursors, the fiber oxidation component 40 oxidizes the fiber precursors transported by the silk supply component 20, the fiber carbonization component 50 carbonizes the fiber precursors transported by the fiber oxidation component 40, the fiber sizing component 60 sizes the carbon fiber filaments transported by the fiber carbonization component 50 to enhance the adhesion of the fiber filaments and to size the surface of the fiber filaments; the fiber tension control component 70 controls the tension of the fiber filaments transported by the fiber sizing component 60 so that the fiber filaments are subjected to a certain tension and keep the fiber filaments parallel to each other, ensuring that the fiber filaments can move straight and prevent bending or wrinkling; the fiber position adjustment component 80 adjusts the position of the fiber filaments transported by the fiber tension control component 70 to ensure that the fiber filaments can be transported straight to the fiber winding component 90, and the fiber winding component 90 winds the fiber filaments transported by the fiber position adjustment component 80.

[0054] Exemplarily, the raw silk preparation component 30 includes: a reaction furnace 31 and an air intake pipe 32, wherein the reaction furnace 31 is arranged in the outer shell 10 and is located above the silk supply component 20, and the air intake pipe 32 is arranged at the top of the outer shell 10 and is connected to the reaction furnace 31.

[0055] In the embodiment of the present application, external oxidizing gas is transported to the reaction furnace 31 through the air inlet pipe 32. The reaction furnace 31 heats and oxidizes the raw material solution in the furnace to perform a chemical reaction and form a precursor. The temperature of the reaction furnace 31 is controlled at 200-300°C.

[0056] Exemplarily, the yarn supply assembly 20 includes: a spinneret 21 , and the spinneret 21 is disposed in the housing 10 and below the precursor yarn preparation assembly 30 .

[0057] In the embodiment of the present application, the precursor prepared by the reaction furnace 31 is transported to the spinneret 21, and the fiber precursor is ejected through the spinneret 21. The holes on the spinneret 21 are regularly arranged with an accuracy of ±1 μm, and the fiber precursor passes through the holes on the spinneret 21.

[0058] Exemplarily, the fiber oxidation assembly 40 includes: an oxidation furnace 41 and a first fiber guide net 42, wherein the oxidation furnace 41 is disposed in the housing 10 and below the wire supply assembly 20, and the first fiber guide net 42 is arranged in the oxidation furnace.

[0059] In the embodiment of the present application, the reaction furnace 31 delivers the fiber precursor to the first fiber guide net 42, the first fiber guide net 42 binds the fiber precursor, and the oxidation furnace 41 performs oxidation operation on the fiber precursor. The temperature of the oxidation furnace 41 is controlled at 400-500°C.

[0060] Exemplarily, the fiber carbonization assembly 50 includes: a carbonization furnace 51 and a second fiber guide net 52 , wherein the carbonization furnace 51 is disposed in the housing 10 and below the fiber oxidation assembly 40 , and the second fiber guide net 52 is arranged in the carbonization furnace 51 .

[0061] In the embodiment of the present application, the oxidation furnace 41 delivers the fiber precursor to the second fiber guide net 52, the second fiber guide net 52 binds the fiber precursor, and the carbonization furnace 51 carbonizes the fiber precursor. The temperature of the carbonization furnace 51 is controlled at 800-1200° C. to obtain carbon fiber filaments.

[0062] Exemplarily, the fiber sizing assembly 60 includes: a surface treatment chamber 61 and a third fiber guide net 62, wherein the surface treatment chamber 61 is disposed in the outer shell 10 and below the fiber carbonization assembly 50, and the third fiber guide net 62 is arranged in the surface treatment chamber 61.

[0063] In the embodiment of the present application, the carbonization furnace 51 conveys the carbon fiber filaments to the third fiber guide net 62, the third fiber guide net 62 binds the carbon fiber filaments, and the surface treatment chamber 61 performs sizing treatment on the carbon fiber filaments to enhance adhesion.

[0064] Exemplarily, the fiber tension control component 70 includes: a fourth fiber guide net 71, a roller 72, a rotating motor 73 and a tension sensor 74, wherein the fourth fiber guide net 71, the roller 72, the rotating motor 73 and the tension sensor 74 are all arranged in the shell 10, and are all located below the fiber carbonization component 50, the fourth fiber guide net 71 is located above the roller 72, the tension sensor 74 is arranged at the end of the roller 72, and the rotating motor 73 is connected to the shaft of the roller 72 and is connected to the tension sensor 74.

[0065] In the embodiment of the present application, the surface treatment chamber 61 conveys the fiber filaments to the fourth fiber guide net 71, the fourth fiber guide net 71 binds the fiber filaments, and conveys the fiber filaments to the roller 72, the fiber filaments contact the roller 72 and exert pressure on it, and the pressure can be detected by the tension sensor 74. Since the fiber filaments need to reach a certain tension themselves to maintain a good state, if the tension meets the requirements, the rotating motor 73 does not need to control the rotation of the roller 72. If the tension does not meet the requirements, such as the fiber filaments themselves are too loose or too tight, the tension sensor 74 sends a signal to the rotating motor 73, and the rotating motor 73 controls the roller 72 to rotate forward or reverse. The rotating motor 73 uses feedback regulation to precisely control the stress on each fiber to ensure that the fiber filaments remain in a straightened state.

[0066] Exemplarily, the fiber position adjustment component 80 includes: a movable platform 81, a horizontal movable cylinder 82 and a fiber position control plate 83, wherein the movable platform 81 is arranged in the outer shell 10 and is located below the fiber tension control component 70, the horizontal movable cylinder 82 is arranged on the movable platform 81 and is connected to the fiber position control plate 83, and a groove body 84 is arranged on the fiber position control plate 83.

[0067] In the embodiment of the present application, the roller 72 delivers the fiber filaments to the fiber position control plate 83, and the groove 84 on the fiber position control plate 83 constrains and guides the fiber filaments. The horizontal moving cylinder 82 can control the movement position of the fiber position control plate 83 on the moving platform 81 according to the deviation position between the fiber filaments entering the groove 84 and the fiber winding assembly 90, so as to prevent the fiber filaments from being continuously delivered to the same position of the fiber winding assembly 90 and causing winding disorder. The movement trajectory of the horizontal moving cylinder 82 can be pre-set as a periodic movement, which can ensure that the fiber filaments delivered by the fiber position control plate 83 can be stacked and wound on the fiber winding assembly 90.

[0068] Exemplarily, the fiber winding assembly 90 includes: a driving motor 91, a fiber winding hub 92, a support frame 93 and a connecting bearing 94, wherein the driving motor 91 and the support frame 93 are relatively arranged on the inner bottom wall of the outer shell 10, the connecting bearing 94 is arranged on the support frame 93, and the two ends of the fiber winding hub 92 are respectively connected to the connecting bearing 94 and the driving motor 91, and the surface of the fiber winding hub 92 is wrapped with a prepreg resin film 95.

[0069] In the embodiment of the present application, the fiber filaments on the fiber position control plate 83 are transported to the fiber winding hub 92, and the driving motor 91 drives the fiber winding hub 92 to rotate, thereby winding the fiber filaments 16. The prepreg resin film 95 is covered on the detachable fiber winding hub 92, and the fiber filaments are bonded to the resin film to form an extremely thin layer of fiber resin film. The fiber resin film is taken out and thermally cured to form a single-layer fiber reinforced resin composite material prepreg, the prepreg is stored at low temperature, and can be designed and thermally cured again according to functional requirements to prepare a high-performance fiber reinforced composite material structure.

[0070] The present application also provides a method for preparing an ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement, which is implemented based on the aforementioned ultra-thin layer composite material prepreg preparation device with micron-level controllable fiber arrangement, and the method comprises the steps of:

[0071] The precursor preparation component 30 processes the raw material into fiber precursor in a fibrous shape;

[0072] The silk supply component 20 delivers the fiber precursor prepared by the precursor preparation component 30;

[0073] The fiber oxidation component 40 oxidizes the fiber raw yarn delivered by the yarn supply component 20;

[0074] The fiber carbonization component 50 carbonizes the fiber precursor delivered by the fiber oxidation component 40;

[0075] The fiber sizing component 60 sizes the carbon fiber filaments delivered by the fiber carbonization component 50;

[0076] The fiber tension control component 70 controls the tension of the fiber filaments delivered by the fiber sizing component 60;

[0077] The fiber position adjustment component 80 adjusts the position of the fiber filaments delivered by the fiber tension control component 70;

[0078] The fiber winding assembly 90 winds the fiber filaments delivered by the fiber position adjustment assembly 80 .

[0079] Comparison Figure 6 and 7The present application provides an ultra-thin layer composite prepreg preparation device and method with micron-level controllable fiber arrangement, which can accurately control the fiber position, realize the accurate arrangement of fibers at the micron level, ensure the uniformity and regularity of fiber distribution, significantly improve the mechanical properties and stability of the composite material, and reduce the appearance of fat-rich areas and fiber-rich areas; adopt a non-destructive fiber processing and laying method, and precisely control the fiber tension and position to avoid fiber damage caused by fiber expansion in traditional methods, maintain the integrity and strength of the fiber, and thus improve the performance of the composite material; accurately control the spacing and regularity of fiber arrangement, which can significantly improve the mechanical properties, fatigue resistance and thermodynamic properties of the composite material, and is particularly suitable for cutting-edge scientific and technological fields such as aerospace, aircraft structure and wind turbine blades that have extremely high requirements on material performance; by precisely controlling the fiber arrangement, the wave absorption performance of carbon fiber composite materials is improved, with better stealth effect and lightweight performance, reducing the possibility of being detected, and is particularly suitable for military and stealth technology fields; while improving the performance and production efficiency of composite materials, it meets the diversified needs of different application fields, and has broad application prospects and market potential.

[0080] The above description is only a preferred embodiment of the present invention, and its structure is not limited to the shapes listed above. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement, characterized in that: include: A housing for mounting various parts; A precursor preparation component, used for processing raw materials into fiber precursors in a fibrous form; The precursor preparation assembly is disposed in the housing; A silk supply assembly, used for conveying the fiber precursor prepared by the precursor preparation assembly; the silk supply assembly is arranged in the housing and is located below the precursor preparation assembly; A fiber oxidation assembly, used for oxidizing the fiber precursors delivered by the silk supply assembly; the fiber oxidation assembly is disposed in the housing and below the silk supply assembly; A fiber carbonization component, used for carbonizing the fiber precursors transported by the fiber oxidation component; the fiber carbonization component is disposed in the housing and below the fiber oxidation component; A fiber sizing component, used for sizing the carbon fiber filaments conveyed by the fiber carbonization component; the fiber sizing component is arranged in the housing and is located below the fiber carbonization component; A fiber tension control assembly, used to control the tension of the fiber filaments conveyed by the fiber sizing assembly; The fiber tension control assembly is disposed in the housing and below the fiber sizing assembly; A fiber position adjustment component, used for adjusting the position of the fiber filaments delivered by the fiber tension control component; the fiber position adjustment component is arranged in the housing and is located below the fiber tension control component; The fiber winding assembly is used for winding the fiber filaments conveyed by the fiber position adjustment assembly; the fiber winding assembly is arranged in the shell and is located below the fiber position adjustment assembly.

2. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The silk supply assembly comprises: a spinneret, which is arranged in the shell and below the raw silk preparation assembly.

3. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The raw silk preparation component includes: a reaction furnace and an air intake pipe, wherein the reaction furnace is arranged in the shell and located above the silk supply component, and the air intake pipe is arranged on the top of the shell and connected to the reaction furnace.

4. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The fiber oxidation assembly comprises: an oxidation furnace and a first fiber guide net, wherein the oxidation furnace is arranged in the shell and below the wire supply assembly, and the first fiber guide net is arranged in the oxidation furnace.

5. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The fiber carbonization assembly comprises: a carbonization furnace and a second fiber guide net, wherein the carbonization furnace is arranged in the shell and below the fiber oxidation assembly, and the second fiber guide net is arranged in the carbonization furnace.

6. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The fiber sizing assembly comprises: a surface treatment chamber and a third fiber guide net, wherein the surface treatment chamber is arranged in the shell and below the fiber carbonization assembly, and the third fiber guide net is arranged in the surface treatment chamber.

7. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The fiber tension control component includes: a fourth fiber guide net, a roller, a rotating motor and a tension sensor, wherein the fourth fiber guide net, the roller, the rotating motor and the tension sensor are all arranged in the shell and are all located below the fiber carbonization component, the fourth fiber guide net is located above the roller, the tension sensor is arranged at the end of the roller, and the rotating motor is connected to the roller shaft and to the tension sensor.

8. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The fiber position adjustment component includes: a moving platform, a horizontal moving cylinder and a fiber position control board, wherein the moving platform is arranged in the shell and is located below the fiber tension control component, the horizontal moving cylinder is arranged on the moving platform and is connected to the fiber position control board, and a groove body is arranged on the fiber position control board.

9. The equipment for preparing ultra-thin composite material prepreg with micron-level controllable fiber arrangement according to claim 1, characterized in that: The fiber winding assembly includes: a driving motor, a fiber winding hub, a support frame and a connecting bearing, wherein the rotating motor and the support frame are relatively arranged on the inner bottom wall of the shell, the connecting bearing is arranged on the support frame, the two ends of the fiber winding hub are respectively connected to the connecting bearing and the rotating motor, and the surface of the fiber winding hub is wrapped with a prepreg resin film.

10. A method for preparing an ultra-thin composite material prepreg with micron-level controllable fiber arrangement, characterized in that: The method is realized based on the device for preparing ultra-thin layer composite material prepreg with micron-level controllable fiber arrangement as claimed in any one of claims 1 to 9, and comprises the steps of: The precursor preparation component processes the raw materials into fiber precursors in a fibrous form; The silk supply component conveys the fiber precursor prepared by the precursor preparation component; The fiber oxidation component oxidizes the fiber precursor delivered by the fiber supply component; The fiber carbonization component carbonizes the fiber precursor delivered by the fiber oxidation component; The fiber sizing component sizes the carbon fiber filaments conveyed by the fiber carbonization component; A fiber tension control component controls the tension of the fiber filaments conveyed by the fiber sizing component; The fiber position adjustment component adjusts the position of the fiber filaments delivered by the fiber tension control component; The fiber winding assembly winds the fiber filaments delivered by the fiber position adjustment assembly.

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