Preparation device of aluminum alloy-carbon fiber composite material and working method thereof
Through laser selection melting and ultrafast pulse laser technology combined with carbon fiber prepreg cloth and aluminum alloy powder interlayer forming method, the problems of difficulty in mixing performance and degradation of mechanical properties of carbon fiber reinforced metal composite materials in the prior art are solved, and a high-precision and adjustable performance composite material is realized.
Patent Information
- Application Number
- CN202510138926.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-06-06
AI Technical Summary
The prior art is difficult to accurately adjust the properties of carbon fiber reinforced metal composites according to application requirements, and the random distribution of chopped fibers leads to a decrease in mechanical properties.
Laser selection melting technology and ultra-fast pulse laser are used to achieve laser addition and subtraction composite, combining carbon fiber prepreg cloth and aluminum alloy powder, and high-precision and adjustable performance are achieved through interlayer forming.
A carbon fiber reinforced aluminum alloy composite material with high precision, adjustable performance and stable quality has been realized, solving the problems of performance allocation difficulties and mechanical performance degradation in the prior art.
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Figure CN120099435A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of additive manufacturing technology, and in particular to a preparation device for an aluminum alloy-carbon fiber composite material and a working method thereof. Background Art
[0002] Powder bed selective laser melting (SLM) technology is an additive manufacturing technology. After planning the scanning path according to the three-dimensional model, the metal powder is melted layer by layer by a high-energy laser, so that the metal powder is selectively melted and solidified to construct a three-dimensional entity. This technology has high molding accuracy and excellent mechanical properties. It has been widely used in aerospace, automotive industry, biomedicine and other fields. At the same time, carbon fiber is well known for its high modulus, high strength, light weight, heat resistance and corrosion resistance. Carbon fiber reinforced aluminum-based composites show high specific strength, high specific stiffness, low thermal expansion coefficient, excellent electrical and thermal conductivity, and good impact toughness. These characteristics make it have broad application potential in many fields such as aerospace.
[0003] The application of powder bed laser melting technology has brought new breakthroughs to carbon fiber reinforced metal composites. Researchers have designed a method for preparing carbon fiber reinforced 17-4PH high-strength steel composites using SLM molding, which can efficiently obtain high-precision, high-quality, stable carbon composites and expand the application market of stainless steel. However, this method is limited to the intra-layer combination of carbon fiber and alloy materials, and it is impossible to accurately adjust the material properties according to application requirements, and the random distribution of short fibers will lead to a decrease in mechanical properties.
[0004] Therefore, in the modern social environment where diversified technologies are developing rapidly and application requirements are constantly increasing, SLM technology and ultrafast pulse lasers are used to achieve laser additive and subtractive composites; carbon fiber prepreg and aluminum alloy powder are used to achieve interlayer forming of composite materials, thereby obtaining high-precision, performance-adjustable, and stable-quality carbon fiber reinforced aluminum alloy composites. That is, the development of an aluminum alloy-carbon fiber composite interlayer forming device and method based on laser additive and subtractive composites is of great application significance. Summary of the invention
[0005] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a preparation device for an aluminum alloy-carbon fiber composite material, which can realize interlayer bonding of carbon fiber reinforced aluminum alloy composite materials and obtain a high-precision, performance-adjustable, and quality-stable carbon fiber reinforced aluminum alloy composite material.
[0006] The present application also proposes a working method for the preparation device of the above-mentioned aluminum alloy-carbon fiber composite material.
[0007] According to the first aspect of the present application, a device for preparing an aluminum alloy-carbon fiber composite material includes:
[0008] A laser selective melting device, comprising a forming cylinder, a powder supply cylinder, a guide rail and a powder spreading vehicle, wherein the powder spreading vehicle is slidably connected to the guide rail and can transport the powder in the powder supply cylinder to the forming cylinder;
[0009] A carbon fiber prepreg paving device, comprising a feed cylinder and a paving vehicle, wherein the paving vehicle is provided with a suction cup, and the paving vehicle can suck the carbon fiber prepreg in the feed cylinder through the suction cup and transfer it to the forming cylinder;
[0010] A continuous fiber laser optical path device, comprising a continuous fiber laser and a fiber laser scanning galvanometer, wherein the fiber laser scanning galvanometer can project the continuous laser emitted by the continuous fiber laser to the molding cylinder;
[0011] The ultrafast pulse laser optical path device comprises an ultrafast pulse laser and a pulse laser scanning galvanometer. The pulse laser scanning galvanometer can project the pulse laser emitted by the ultrafast pulse laser to the forming cylinder.
[0012] The preparation device of the aluminum alloy-carbon fiber composite material according to the embodiment of the present application has at least the following beneficial effects: SLM additive manufacturing can be performed by a laser selective melting device, and carbon fiber prepreg can be conveyed by a carbon fiber prepreg laying device, additive manufacturing can be performed using a continuous fiber laser optical path device, and subtractive manufacturing can be performed using an ultrafast pulse laser optical path device, thereby achieving interlayer bonding between the carbon fiber prepreg and the alloy material.
[0013] According to some embodiments of the present application, the laser selective melting device further includes a powder recovery cylinder, which is disposed adjacent to the forming cylinder, and the powder spreading vehicle is capable of pushing excess powder into the powder recovery cylinder.
[0014] According to some embodiments of the present application, the powder spreading vehicle is equipped with a turntable, and the suction cup is connected to the powder spreading vehicle via the turntable.
[0015] According to some embodiments of the present application, a lifting mechanism is provided in the feeding cylinder, and the feeding cylinder lifts the carbon fiber prepreg through the lifting mechanism.
[0016] According to some embodiments of the present application, the continuous fiber laser optical path device also includes a fiber laser collimator, the continuous fiber laser emits laser to the fiber laser collimator, and the fiber laser collimator adjusts the laser focal length and projects it onto the fiber laser scanning galvanometer.
[0017] According to some embodiments of the present application, a fiber laser f-θ mirror is provided inside the fiber laser scanning galvanometer to adjust the focal length of the laser.
[0018] According to some embodiments of the present application, the ultrafast pulse laser optical path device further includes a pulse laser collimator, the ultrafast pulse laser emits laser light to the pulse laser collimator, and the pulse laser collimator adjusts the laser focal length and projects it onto the pulse laser scanning galvanometer.
[0019] According to some embodiments of the present application, a pulse laser f-θ mirror is provided inside the pulse laser scanning galvanometer to adjust the laser focal length.
[0020] According to some embodiments of the present application, the preparation device of the aluminum alloy-carbon fiber composite material also includes a preparation box, which is a sealed box filled with a protective gas, and the laser selective melting device, the carbon fiber prepreg laying device, the continuous fiber laser optical path device and the ultrafast pulse laser optical path device are all arranged in the preparation box.
[0021] According to the working method of the second aspect of the present application, which is carried out on the above-mentioned aluminum alloy-carbon fiber composite material preparation device, the method comprises the following steps:
[0022] Based on the material to be prepared, determine the size and placement of the carbon fiber prepreg, as well as the spot size of the continuous laser and pulsed laser;
[0023] The aluminum alloy powder is used as a raw material for SLM molding and loaded into the powder supply cylinder, and the carbon fiber prepreg is cut and loaded into the supply cylinder;
[0024] The material laying vehicle moves to the feeding cylinder and absorbs the carbon fiber prepreg through the suction cup;
[0025] The material laying vehicle carries the carbon fiber prepreg and moves to the forming cylinder, and puts down the carbon fiber prepreg;
[0026] The powder spreading vehicle moves to the powder supply cylinder and spreads the powder in the powder supply cylinder onto the surface of the carbon fiber prepreg;
[0027] The continuous fiber laser emits continuous laser light, which is projected onto the powder surface through the fiber laser scanning galvanometer to perform powder melting and molding;
[0028] The melted powder on the surface of the carbon fiber prepreg is cooled to form and bonded to the carbon fiber prepreg;
[0029] The ultrafast pulse laser emits a pulse laser, which is projected onto the surface of the carbon fiber prepreg through the pulse laser scanning galvanometer to perform subtractive processing on the material;
[0030] Repeat the above steps to achieve multiple layers of alternating stacking of the carbon fiber prepreg and the aluminum alloy metal layer to achieve interlayer composite.
[0031] According to the working method of the embodiment of the present application, at least the following beneficial effects are achieved: carbon fiber prepreg and aluminum alloy powder are alternately loaded, and then the structure of each layer is adjusted by laser additive and laser subtraction to achieve the effect of alternating stacking of multiple layers.
[0032] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] The accompanying drawings are used to provide further understanding of the technical solution disclosed in the present application and constitute a part of the specification. Together with the embodiments disclosed in the present application, they are used to explain the technical solution disclosed in the present application and do not constitute a limitation on the technical solution disclosed in the present application.
[0034] Figure 1 This is a schematic structural diagram of a device for preparing an aluminum alloy-carbon fiber composite material according to an embodiment of the first aspect of the present application;
[0035] Figure 2 This is a schematic diagram of the laser beam working area of the device for preparing the aluminum alloy-carbon fiber composite material according to the first aspect of the present application;
[0036] Figure 3 This is a workflow diagram of the working method of the embodiment of the second aspect of the present application;
[0037] Figure 4 This is a schematic diagram of a composite material generated by the working method of the embodiment of the second aspect of the present application.
[0038] Figure markings: 100-laser selective melting device, 110-forming cylinder, 120-powder supply cylinder, 130-guide rail, 140-powder spreading car, 150-powder recovery cylinder, 200-carbon fiber prepreg spreading device, 210-feeding cylinder, 220-spreading car, 221-suction cup, 222-turntable, 300-continuous fiber laser optical path device, 310-continuous fiber laser, 320-fiber laser scanning galvanometer, 330-fiber laser collimator, 400-ultrafast pulse laser optical path device, 410-ultrafast pulse laser, 420-pulse laser scanning galvanometer, 430-pulse laser collimator, 500-preparation box, 600-continuous laser beam, 700-pulse laser beam, 800-single-layer formed aluminum alloy, 900-single-layer carbon fiber prepreg. DETAILED DESCRIPTION
[0039] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0040] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0041] In the description of this application, "several" means more than one, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0042] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.
[0043] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0044] The application of powder bed laser melting technology has brought new breakthroughs to carbon fiber reinforced metal composites. Researchers have designed a method for preparing carbon fiber reinforced 17-4PH high-strength steel composites using SLM molding, which can efficiently obtain high-precision, high-quality, stable carbon composites and expand the application market of stainless steel. However, this method is limited to the intra-layer combination of carbon fiber and alloy materials, and it is impossible to accurately adjust the material properties according to application requirements, and the random distribution of short fibers will lead to a decrease in mechanical properties.
[0045] Therefore, in the modern social environment where diversified technologies are developing rapidly and application requirements are constantly increasing, SLM technology and ultrafast pulse lasers are used to achieve laser additive and subtractive composites; carbon fiber prepreg and aluminum alloy powder are used to achieve interlayer forming of composite materials, thereby obtaining high-precision, performance-adjustable, and stable-quality carbon fiber reinforced aluminum alloy composites. That is, the development of an aluminum alloy-carbon fiber composite interlayer forming device and method based on laser additive and subtractive composites is of great application significance.
[0046] In this regard, the present application proposes a preparation device for an aluminum alloy-carbon fiber composite material, which can perform SLM additive manufacturing through a laser selective melting device 100, and convey carbon fiber prepreg through a carbon fiber prepreg laying device 200, perform additive manufacturing using a continuous fiber laser optical path device 300, and perform subtractive manufacturing using an ultrafast pulse laser optical path device 400, to achieve interlayer bonding of the carbon fiber prepreg and the alloy material.
[0047] In addition, the present application also proposes a working method for the preparation device of the above-mentioned aluminum alloy-carbon fiber composite material, in which carbon fiber prepreg and aluminum alloy powder are loaded alternately, and then the structure of each layer is adjusted by laser additive and laser subtraction, so as to achieve the effect of alternating stacking of multiple layers.
[0048] Reference Figure 1 The preparation device of the aluminum alloy-carbon fiber composite material in the embodiment of the first aspect of the present application includes a laser selective melting device 100, a carbon fiber prepreg paving device 200, a continuous fiber laser optical path device 300 and an ultrafast pulse laser optical path device 400. Among them, the laser selective melting device 100 is used to spread aluminum alloy powder, and the carbon fiber prepreg paving device 200 is used to spread carbon fiber prepreg. The alternating paving of the two can achieve the alternating stacking of aluminum alloy and carbon fiber. The continuous fiber laser optical path device 300 is used to emit continuous laser for laser additive manufacturing, and the ultrafast pulse laser optical path device 400 is used to emit pulsed laser to cut the material.
[0049] Specifically, the laser selective melting device 100 includes a forming cylinder 110, a powder supply cylinder 120, a guide rail 130, and a powder spreading vehicle 140. The powder spreading vehicle 140 is slidably connected to the guide rail 130, and the powder spreading vehicle 140 can transport the powder in the powder supply cylinder 120 to the forming cylinder 110. Both the additive manufacturing and the laser cutting of the material are performed in the forming cylinder 110.
[0050] The carbon fiber prepreg paving device 200 includes a feed cylinder 210 and a paving vehicle 220. The paving vehicle 220 is provided with a suction cup 221, which can suck the carbon fiber prepreg in the feed cylinder 210 through the suction cup 221 and transfer it to the forming cylinder 110. The paving vehicle 220 has a moving mechanism for driving its movement, which can be driven by wheels or slide rails, or can share the guide rail 130 with the powder paving vehicle 140, which will not be repeated here.
[0051] The continuous fiber laser optical path device 300 includes a continuous fiber laser 310 and a fiber laser scanning galvanometer 320. The continuous fiber laser 310 can emit continuous laser light, and the fiber laser scanning galvanometer 320 can project the continuous laser light emitted by the continuous fiber laser 310 to the forming cylinder 110. The ultrafast pulse laser optical path device 400 includes an ultrafast pulse laser 410 and a pulse laser scanning galvanometer 420. The ultrafast pulse laser 410 can generate pulse laser light, and the pulse laser scanning galvanometer 420 can project the pulse laser light emitted by the ultrafast pulse laser 410 to the forming cylinder.
[0052] The working principle of the preparation device of the aluminum alloy-carbon fiber composite material is as follows: the powder spreading vehicle 140 can transport the aluminum alloy powder in the powder supply cylinder 120 to the forming cylinder 110, and the material spreading vehicle 220 can transport the carbon fiber prepreg in the material supply cylinder 210 to the forming cylinder 110. Figure 2 , the continuous laser beam 600 emitted by the continuous fiber laser optical path device 300 melts the aluminum alloy material, and the pulsed laser beam 700 emitted by the ultrafast pulse laser optical path device 400 cuts the formed single-layer formed aluminum alloy 800. Each layer of carbon fiber prepreg and aluminum alloy powder is melted and combined under the action of the continuous fiber laser optical path device 300, and then cut under the action of the ultrafast pulse laser 400. After stacking multiple layers, a composite material with interlayer composite is obtained.
[0053] Specifically, the continuous fiber laser 310 is a 1070 nm fiber laser; the ultrafast pulse laser 410 is a picosecond laser with a wavelength of 1030 nm.
[0054] Furthermore, the laser selective melting device 100 further includes a powder recovery cylinder 150, which is disposed adjacent to the forming cylinder 110. The powder spreading vehicle 140 can push excess powder into the powder recovery cylinder 150, thereby recovering excess aluminum alloy powder. In some embodiments, the powder recovery cylinder 150 is further provided with a pipeline connected to the powder supply cylinder 120, thereby completing direct recovery of aluminum alloy powder.
[0055] Furthermore, the powder spreading vehicle 140 is equipped with a turntable 222, and the suction cup 221 is connected to the powder spreading vehicle 140 through the turntable 222. Thus, the angle of the carbon fiber prepreg can be changed by rotating the turntable 222 to meet more diverse interlayer stacking requirements.
[0056] Furthermore, a lifting mechanism is provided in the feeding cylinder 210 , and the feeding cylinder 210 lifts the carbon fiber prepreg through the lifting mechanism, so that the laying vehicle 220 can absorb the carbon fiber prepreg by using the suction cup 221 .
[0057] Furthermore, the continuous fiber laser optical path device 300 also includes a fiber laser collimator 330. The continuous fiber laser 310 emits laser to the fiber laser collimator 330. The fiber laser collimator 330 adjusts the laser focal length and projects it to the fiber laser scanning galvanometer 320, so that the laser is adjusted in advance through the fiber laser collimator 330.
[0058] Specifically, a fiber laser f-θ mirror is provided inside the fiber laser scanning galvanometer 320 to adjust the laser focal length. The fiber laser f-θ mirror can be controlled by a controller to adjust the laser focal length in real time.
[0059] Furthermore, the ultrafast pulse laser optical path device 400 also includes a pulse laser collimator 430. The ultrafast pulse laser 410 emits laser to the pulse laser collimator 430. The pulse laser collimator 430 adjusts the laser focal length and projects it to the pulse laser scanning galvanometer 420, so that the laser is adjusted in advance by the pulse laser collimator 430.
[0060] Specifically, a pulse laser f-θ mirror is provided inside the pulse laser scanning galvanometer 420 to adjust the laser focal length. The pulse laser f-θ mirror can be controlled by a controller to adjust the laser focal length in real time.
[0061] Furthermore, the preparation device of the aluminum alloy-carbon fiber composite material also includes a preparation box 500, which is a sealed box filled with protective gas, and the laser selective melting device 100, the carbon fiber prepreg laying device 200, the continuous fiber laser optical path device 300 and the ultrafast pulse laser optical path device 400 are all arranged in the preparation box 500.
[0062] Reference Figure 3 A working method in an embodiment of the second aspect of the present application is carried out on the above-mentioned aluminum alloy-carbon fiber composite material preparation device, comprising the following steps:
[0063] S100. Based on the material to be prepared, determine the size and placement of the carbon fiber prepreg, as well as the spot size of the continuous laser and pulsed laser;
[0064] S200. The aluminum alloy powder is loaded into the powder supply cylinder 120 as the raw material for SLM molding, and the carbon fiber prepreg is cut and loaded into the supply cylinder 210;
[0065] S300. The material laying vehicle 220 moves to the feeding cylinder 210 and absorbs the carbon fiber prepreg through the suction cup 221;
[0066] S400. The material laying vehicle 220 carries the carbon fiber prepreg and moves to the forming cylinder 110, and puts down the carbon fiber prepreg;
[0067] S500. The powder spreading vehicle 140 moves to the powder supply cylinder 120 and spreads the powder in the powder supply cylinder 120 onto the surface of the carbon fiber prepreg;
[0068] S600. The continuous fiber laser 310 emits a continuous laser, which is projected onto the powder surface through the fiber laser scanning galvanometer 320 to melt and shape the powder;
[0069] S700. The melted powder on the surface of the carbon fiber prepreg is cooled and formed and bonded to the carbon fiber prepreg;
[0070] S800. The ultrafast pulse laser 410 emits a pulse laser, which is projected onto the surface of the carbon fiber prepreg through the pulse laser scanning galvanometer 420 to perform subtractive processing on the material;
[0071] S900. Repeat the above steps, refer to Figure 4 A single layer of formed aluminum alloy 800 and a single layer of carbon fiber prepreg 900 are stacked on each other to achieve multiple layers of alternating stacking of carbon fiber prepreg and aluminum alloy metal layers to achieve interlayer composite.
[0072] Specifically, the aluminum alloy powder may be 13-53um AlSi10Mg aluminum alloy powder, and the carbon fiber prepreg cloth may be 6K carbon fiber cloth.
[0073] In some selectable embodiments, the function / operation mentioned in the block diagram may not occur in the order mentioned in the operation diagram. For example, depending on the function / operation involved, the two boxes shown in succession can actually be executed substantially simultaneously or the boxes can sometimes be executed in reverse order. In addition, the embodiment presented and described in the flow chart of the application is provided by way of example, for the purpose of providing a more comprehensive understanding of technology. The disclosed method is not limited to the operation and logic flow presented herein. Selectable embodiments are expected, wherein the order of various operations is changed and the sub-operation of a part described as a larger operation is performed independently.
[0074] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
Claims
1. A preparation device for an aluminum alloy-carbon fiber composite material, characterized in that: include: A laser selective melting device, comprising a forming cylinder, a powder supply cylinder, a guide rail and a powder spreading vehicle, wherein the powder spreading vehicle is slidably connected to the guide rail and can transport the powder in the powder supply cylinder to the forming cylinder; A carbon fiber prepreg paving device, comprising a feed cylinder and a paving vehicle, wherein the paving vehicle is provided with a suction cup, and the paving vehicle can suck the carbon fiber prepreg in the feed cylinder through the suction cup and transfer it to the forming cylinder; A continuous fiber laser optical path device, comprising a continuous fiber laser and a fiber laser scanning galvanometer, wherein the fiber laser scanning galvanometer can project the continuous laser emitted by the continuous fiber laser to the molding cylinder; The ultrafast pulse laser optical path device comprises an ultrafast pulse laser and a pulse laser scanning galvanometer. The pulse laser scanning galvanometer can project the pulse laser emitted by the ultrafast pulse laser to the forming cylinder.
2. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 1, characterized in that: The laser selective melting device also includes a powder recovery cylinder, which is arranged adjacent to the forming cylinder, and the powder spreading vehicle can push excess powder into the powder recovery cylinder.
3. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 1, characterized in that: The powder spreading vehicle is equipped with a turntable, and the suction cup is connected to the powder spreading vehicle via the turntable.
4. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 1, characterized in that: A lifting mechanism is arranged in the feeding cylinder, and the feeding cylinder lifts the carbon fiber prepreg through the lifting mechanism.
5. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 1, characterized in that: The continuous fiber laser optical path device also includes a fiber laser collimator. The continuous fiber laser emits laser light to the fiber laser collimator. The fiber laser collimator adjusts the laser focal length and projects the laser light onto the fiber laser scanning galvanometer.
6. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 5, characterized in that: The fiber laser scanning galvanometer is provided with a fiber laser f-θ mirror to adjust the laser focal length.
7. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 1, characterized in that: The ultrafast pulse laser optical path device also includes a pulse laser collimator. The ultrafast pulse laser emits laser light to the pulse laser collimator. The pulse laser collimator adjusts the laser focal length and projects the laser light onto the pulse laser scanning galvanometer.
8. The device for preparing the aluminum alloy-carbon fiber composite material according to claim 7, characterized in that: A pulse laser f-θ mirror is arranged inside the pulse laser scanning galvanometer to adjust the laser focal length.
9. The device for preparing the aluminum alloy-carbon fiber composite material according to any one of claims 1 to 8, characterized in that: The preparation device of the aluminum alloy-carbon fiber composite material also includes a preparation box, which is a sealed box filled with protective gas, and the laser selective melting device, the carbon fiber prepreg laying device, the continuous fiber laser optical path device and the ultrafast pulse laser optical path device are all arranged in the preparation box.
10. A working method for the preparation device of the aluminum alloy-carbon fiber composite material according to any one of claims 1 to 9, characterized in that: include: Based on the material to be prepared, determine the size and placement of the carbon fiber prepreg, as well as the spot size of the continuous laser and pulsed laser; The aluminum alloy powder is used as a raw material for SLM molding and loaded into the powder supply cylinder, and the carbon fiber prepreg is cut and loaded into the supply cylinder; The material laying vehicle moves to the feeding cylinder and absorbs the carbon fiber prepreg through the suction cup; The material laying vehicle carries the carbon fiber prepreg and moves to the forming cylinder, and puts down the carbon fiber prepreg; The powder spreading vehicle moves to the powder supply cylinder and spreads the powder in the powder supply cylinder onto the surface of the carbon fiber prepreg; The continuous fiber laser emits continuous laser light, which is projected onto the powder surface through the fiber laser scanning galvanometer to perform powder melting and molding; The melted powder on the surface of the carbon fiber prepreg is cooled to form and bonded to the carbon fiber prepreg; The ultrafast pulse laser emits a pulse laser, which is projected onto the surface of the carbon fiber prepreg through the pulse laser scanning galvanometer to perform subtractive processing on the material; Repeat the above steps to achieve multiple layers of alternating stacking of the carbon fiber prepreg and the aluminum alloy metal layer to achieve interlayer composite.