Composite board and automobile ornament

Abstract

The utility model provides a composite board and an automobile ornament, and belongs to the technical field of automobile parts, the composite board comprises an inner core part, an outer core part, an outer core part and an inner core part, the inner core part is a continuous fiber reinforced thermoplastic or thermosetting composite part; the appearance part is arranged to be a polyurethane piece, the appearance part comprises an observation face, the appearance part is connected with the inner core part, and the observation face is located on the back face of the face, where the inner core part is located, of the appearance part. The composite board has the beneficial effects that the appearance part is connected with the inner core part, the observation surface of the appearance part can be sprayed with automobile body color, and the inner core part can play a role in reinforcing, so that the problem that the composite board in the prior art is difficult to spray is effectively solved, the inner core part realizes light weight, the concave resistance of the composite board is improved, and the overall strength is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts and relates to a composite plate and an automobile decoration. Background Art

[0002] Continuous fiber reinforced thermoplastic composites (CFRTP) are a new type of thermoplastic composite material with high strength, high rigidity, high toughness and recyclability. Compared with steel and aluminum alloys, they have comparable strength, lighter weight and higher energy absorption capacity. Compared with thermosetting composites, they are easier to process, environmentally friendly and recyclable. They have great application potential in lightweight automotive design and can replace some metal materials and high-end polymer materials. They can be used in body structural parts and semi-structural parts such as seat backs, front-end modules, door inner panels, and bumpers.

[0003] However, firstly, the appearance of the board made solely of continuous fiber reinforced thermoplastic or thermosetting composites is generally a fiber texture, and the fiber traces cannot be covered after painting, and the appearance Class A requirements cannot be met. Secondly, some local positions of the board made of continuous fiber reinforced thermoplastic or thermosetting composites still have insufficient strength, and there is a lot of room for improvement. Summary of the Invention

[0004] The purpose of the present invention is to address the above-mentioned problems of strength and appearance in the prior art and to propose a composite board and an automobile decoration.

[0005] The purpose of the utility model can be achieved through the following technical solutions: A composite board comprising:

[0006] an inner core configured as a continuous fiber reinforced thermoplastic or thermosetting composite;

[0007] The appearance part is provided as a decorative layer, and the appearance part comprises an observation surface, the appearance part is connected to the inner core part, and the observation surface is located on the back side of the surface of the appearance part where the inner core part is located.

[0008] In the above-mentioned composite board, the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating.

[0009] In the above-mentioned composite board, the decorative layer is paint.

[0010] In the above-mentioned composite board, the thickness of the inner core is 0.15 mm-0.5 mm.

[0011] In the above-mentioned composite board, the thickness of the appearance portion is 0.3 mm to 0.7 mm.

[0012] In the above-mentioned composite board, it also includes a first reinforcing part, which is connected to the inner core part. The inner core part is located between the appearance part and the first reinforcing part. The first reinforcing part is a first reinforcing layer or a first reinforcing rib.

[0013] In the above-mentioned composite board, the thickness of the first reinforcement portion is 0.7 mm-1.2 mm.

[0014] In the above-mentioned composite plate material, the first reinforcing part is configured as a thermoplastic resin part.

[0015] In the above-mentioned composite plate material, the first reinforcement portion is a first reinforcement rib, the first reinforcement rib includes a plurality of first reinforcement heads, the first reinforcement head includes a first connection portion, and the first connection portion is connected to the inner core portion.

[0016] In the above-mentioned composite board material, the first reinforcement head also includes a first protrusion, which is integrally connected to the first connecting part and protrudes from the first connecting part, and the connection cross-sectional area at the connection between the first connecting part and the first protrusion is smaller than the connection cross-sectional area at the connection between the first connecting part and the inner core.

[0017] In the above-mentioned composite board material, the cross-sectional area of the first connecting portion extending from the inner core portion toward the first protruding portion gradually decreases.

[0018] In the above-mentioned composite plate material, it also includes a second reinforcing part, which is connected to the first reinforcing part, the first reinforcing part is located between the inner core part and the second reinforcing part, and the second reinforcing part is a second reinforcing layer or a second reinforcing rib.

[0019] In the above-mentioned composite board, the thickness of the second reinforcement portion is 1.5 mm to 3 mm.

[0020] In the above-mentioned composite plate material, the second reinforcement part is configured as a continuous fiber reinforced thermoplastic or thermosetting composite member.

[0021] In the above-mentioned composite plate material, the first reinforcing part is a first reinforcing layer, the second reinforcing part is a second reinforcing rib, the second reinforcing rib includes a plurality of second reinforcing heads, the second reinforcing head includes a second connecting part, and the second connecting part is connected to the first reinforcing layer.

[0022] In the above-mentioned composite board material, the second reinforcement head also includes a second protrusion, which is integrally connected to the second connecting part and protrudes from the second connecting part, and the connection cross-sectional area at the connection between the second connecting part and the second protrusion is smaller than the connection cross-sectional area at the connection between the second connecting part and the first reinforcement layer.

[0023] In the above-mentioned composite board material, the cross-sectional area of the second connecting portion in the direction extending from the first reinforcement layer toward the second protruding portion gradually decreases.

[0024] In the above-mentioned composite board material, the first reinforcement part is a first reinforcement rib, the second reinforcement part is a second reinforcement layer, the first reinforcement rib includes a plurality of first reinforcement heads, the first reinforcement head includes a first connecting part, and the second reinforcement layer is connected to the inner core part through the first connecting part.

[0025] In the above-mentioned composite board material, the first reinforcement head also includes a first protrusion, and the number of the first connection parts is two, and the two first connection parts are respectively located at the two ends of the first protrusion and are integrally connected. One first connection part is connected to the inner core part, and the connection cross-sectional area of the connection between the first connection part and the first protrusion is smaller than the connection cross-sectional area of the connection between the first connection part and the inner core part. The other first connection part is connected to the second reinforcement layer, and the connection cross-sectional area of the connection between the first connection part and the first protrusion is smaller than the connection cross-sectional area of the connection between the first connection part and the second reinforcement layer.

[0026] In the above-mentioned composite board material, the cross-sectional area of the first connecting portion extending from the inner core portion toward the first protruding portion gradually decreases, and the cross-sectional area of the first connecting portion extending from the second reinforcement layer toward the first protruding portion gradually decreases.

[0027] In the above-mentioned composite board, the appearance portion is composed of a polyurethane layer and a paint layer, wherein the polyurethane layer is located on the outer surface of the inner core portion, and the paint layer is located on the outer surface of the polyurethane layer.

[0028] Again, an automobile accessory includes the above-mentioned composite panel. Here, the automobile accessory can be the inner panel or outer panel of the automobile hood, fender, roof and other body parts, or it can be the compartment of a logistics vehicle, and can also be used in flying cars, such as including the outer skin or inner skin of the fuselage.

[0029] Compared with the prior art, the beneficial effects of the present invention are:

[0030] 1. The appearance part is connected to the inner core part. Since the appearance part is a polyurethane part, also known as PRU, it can directly form the body color by adding color paste. The inner core part plays a reinforcing role, effectively improving the problem that the existing composite board is difficult to spray. The formed polyurethane part can cover the fiber traces and meet the appearance A-level surface requirements.

[0031] 2. The first reinforcement portion is the first reinforcement layer. The first reinforcement layer is provided on the back side of the inner core portion relative to the exterior portion, thereby improving the dent resistance of the composite board and increasing the overall strength.

[0032] 3. The first reinforcing rib is a partially hollowed-out structure formed on the back of the inner core, which not only plays a local reinforcing role but also further reduces the weight.

[0033] 4. The first reinforcement part is the first reinforcement layer, and the second reinforcement part is the second reinforcement layer. The first reinforcement layer is provided on the back of the inner core relative to the appearance part, and the second reinforcement layer is provided on the back of the first reinforcement layer relative to the inner core, which improves the dent resistance of the composite board and increases the overall strength.

[0034] 5. The first reinforcement part is the first reinforcement layer, and the second reinforcement part is the second reinforcement rib. The second reinforcement rib is a partially hollowed structure formed on the back of the inner core part, which plays the role of overall reinforcement and local reinforcement.

[0035] 6. The first reinforcement part is the first reinforcement rib, which is a partially hollowed structure formed on the back of the inner core. The second reinforcement part is the second reinforcement layer, which plays the role of overall reinforcement and local reinforcement.

[0036] 7. The appearance part adopts the method of polyurethane layer plus paint layer, which can solve the problem that the special color of the polyurethane layer cannot be processed alone, and better solves the appearance color problem. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a structural diagram of embodiment 1 of the present utility model.

[0038] Figure 2 This is a structural diagram of embodiment 2 of the present utility model.

[0039] Figure 3 This is a structural diagram of embodiment 3 of the present utility model.

[0040] Figure 4 This is a structural diagram of embodiment 4 of the present utility model.

[0041] Figure 5 This is a structural diagram of embodiment 5 of the present utility model.

[0042] Figure 6 This is a structural diagram of embodiment 6 of the present utility model.

[0043] Figure 7 This is a structural diagram of embodiment 7 of the present utility model.

[0044] Figure 8 This is a structural diagram of embodiment 8 of the present utility model.

[0045] Figure 9 This is a structural diagram of embodiment 9 of the present utility model.

[0046] Figure 10 This is a structural diagram of embodiment 10 of the present utility model.

[0047] Figure 11 This is a structural diagram of the eleventh embodiment of the present utility model.

[0048] Figure 12 This is a structural diagram of the twelfth embodiment of the present utility model.

[0049] Figure 13 This is a structural diagram of Example 13 of the present utility model.

[0050] In the figure, 100, inner core; 200, exterior; polyurethane layer 201; paint layer 202; 310, first reinforcing layer; 320, first reinforcing rib; 321, first connecting portion; 322, first protruding portion; 410, second reinforcing layer; 420, second reinforcing rib; 421, second connecting portion; 422, second protruding portion. DETAILED DESCRIPTION

[0051] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0052] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0053] In addition, terms such as "first," "second," and "an" in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0054] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0055] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0056] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0057] Example 1

[0058] like Figure 1 As shown, a composite board includes: an inner core portion 100 and an outer appearance portion 200.

[0059] Among them, the inner core part 100 is set to be a continuous fiber reinforced thermoplastic or thermosetting composite, preferably a continuous fiber reinforced thermoplastic composite, wherein the thickness of the inner core part 100 can be 0.15mm-0.5mm, specifically optimized to 0.2mm as the best, wherein the appearance part 200 is set to be a decorative layer, the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating, specifically optimized to be a polyurethane part, the decorative layer can also be paint, the thickness of the appearance part 200 is 0.3mm-0.7mm, specifically optimized to 0.5mm, the appearance part 200 includes an observation surface (not marked in the figure), the appearance part 200 is connected to the inner core part 100, and the observation surface is located on the back of the surface of the appearance part 200 where the inner core part 100 is located.

[0060] In this embodiment, the appearance part 200 is connected to the inner core part 100, and the observation surface of the appearance part 200 can be sprayed with the vehicle body color. The inner core part 100 can play a reinforcing role, effectively improving the problem that the composite board material of the prior art is difficult to spray. The inner core part 100 achieves lightweighting, improves the dent resistance of the composite board material, and increases the overall strength.

[0061] The thickness of the inner core portion 100 can be 0.15mm-0.5mm, and the best is 0.2mm. The thickness of the appearance portion 200 can be 0.3mm-0.7mm, and the best is 0.5mm.

[0062] The thickness of the first reinforcement part is 0.7mm-1.2mm, specifically optimized to 1mm, and the thickness of the second reinforcement part is 1.5mm-3mm, specifically optimized to 2mm

[0063] Example 2

[0064] like Figure 2 As shown, a composite plate comprises: an inner core portion 100, an appearance portion 200 and a first reinforcement portion.

[0065] Among them, the inner core part 100 is set to be a continuous fiber reinforced thermoplastic or thermosetting composite, preferably a continuous fiber reinforced thermoplastic composite, the thickness of the inner core part 100 can be 0.15mm-0.5mm, and is specifically optimized to be 0.2mm for the best, wherein the appearance part 200 is set to be a decorative layer, the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating, and is specifically optimized to be a polyurethane part, the thickness of the appearance part 200 is 0.3mm-0.7mm, and is specifically optimized to be 0.5mm, and the appearance part 200 includes an observation surface, and the appearance part 200 is connected to the inner core part 100, and the observation surface is located on the back of the surface of the appearance part 200 where the inner core part 100 is located.

[0066] Among them, the first reinforcement part is connected to the inner core part 100, and the inner core part 100 is located between the appearance part 200 and the first reinforcement part. The first reinforcement part is the first reinforcement layer 310, and the thickness of the first reinforcement part is 0.7mm-1.2mm, specifically optimized to 1mm. In this embodiment, the first reinforcement part is the first reinforcement layer 310, and the first reinforcement layer 310 is arranged on the back side of the inner core part 100 relative to the appearance part 200, which improves the dent resistance of the composite board and increases the overall strength.

[0067] Specifically, the first reinforcing portion is configured as a thermoplastic resin component to achieve overall reinforcement of the composite plate.

[0068] Example 3

[0069] like Figure 3 As shown, a composite plate comprises: an inner core portion 100, an appearance portion 200 and a first reinforcement portion.

[0070] Among them, the inner core part 100 is set to be a continuous fiber reinforced thermoplastic or thermosetting composite, preferably a continuous fiber reinforced thermoplastic composite, the thickness of the inner core part 100 can be 0.15mm-0.5mm, and is specifically optimized to be 0.2mm for the best, wherein the appearance part 200 is set to be a decorative layer, the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating, and is specifically optimized to be a polyurethane part, the thickness of the appearance part 200 is 0.3mm-0.7mm, and is specifically optimized to be 0.5mm, and the appearance part 200 includes an observation surface, and the appearance part 200 is connected to the inner core part 100, and the observation surface is located on the back of the surface of the appearance part 200 where the inner core part 100 is located.

[0071] Among them, the first reinforcement part is connected to the inner core part 100, the thickness of the first reinforcement part is 0.7mm-1.2mm, specifically optimized to 1mm, the inner core part 100 is located between the appearance part 200 and the first reinforcement part, the first reinforcement part is the first reinforcement rib 320, the first reinforcement rib 320 includes multiple first reinforcement heads, the first reinforcement head includes a first connection part 321, and the first connection part 321 is connected to the inner core part 100.

[0072] In this embodiment, the first reinforcing rib 320 is a partially hollowed structure formed on the back side of the inner core 100 , which not only plays a role of local reinforcement but also further reduces the weight.

[0073] Specifically, the first reinforcing portion is configured as a thermoplastic resin component to achieve local reinforcement of the composite plate.

[0074] Example 4

[0075] like Figure 4 As shown, the difference between Example 4 and Example 3 is that, based on Example 3, the first reinforcement head also includes a first protrusion 322, the first protrusion 322 is integrally connected to the first connection part 321 and protrudes from the first connection part 321, and the connection cross-sectional area at the connection between the first connection part 321 and the first protrusion 322 is smaller than the connection cross-sectional area at the connection between the first connection part 321 and the inner core part 100.

[0076] In this embodiment, the first protrusion 322 can strengthen the composite sheet material. The connection cross-sectional area at the connection between the first connection part 321 and the first protrusion 322 is smaller than the connection cross-sectional area at the connection between the first connection part 321 and the inner core part 100. Therefore, the first connection part 321 can increase the connection strength between the first reinforcement head and the inner core part 100.

[0077] Example 5

[0078] like Figure 5As shown, the difference between the fifth embodiment and the fourth embodiment is that, based on the fourth embodiment, the cross-sectional area of the first connecting portion 321 extending from the inner core portion 100 toward the first protruding portion 322 gradually decreases.

[0079] In this embodiment, the cross-sectional area of the first connecting portion 321 extending from the inner core 100 toward the first protruding portion 322 gradually decreases, reducing the portion with thicker overall wall thickness of the composite board, thereby reducing local surface shrinkage caused by the first reinforcing rib 320.

[0080] Example 6

[0081] like Figure 6 As shown, a composite plate comprises: an inner core portion 100, an appearance portion 200, a first reinforcement portion and a second reinforcement portion.

[0082] The inner core 100 is configured as a continuous fiber reinforced thermoplastic or thermosetting composite, preferably a continuous fiber reinforced thermoplastic composite. The thickness of the inner core 100 may be 0.15 mm to 0.5 mm, and is specifically optimized to be 0.2 mm.

[0083] Among them, the appearance part 200 is set as a decorative layer, the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating, specifically optimized as a polyurethane part, the thickness of the appearance part 200 is 0.3mm-0.7mm, specifically optimized to 0.5mm, the appearance part 200 includes an observation surface, the appearance part 200 is connected to the inner core part 100, and the observation surface is located on the back of the surface of the appearance part 200 where the inner core part 100 is located.

[0084] Among them, the first reinforcement part is connected to the inner core part 100, and the inner core part 100 is located between the appearance part 200 and the first reinforcement part. The first reinforcement part is the first reinforcement layer 310, and the thickness of the first reinforcement part is 0.7mm-1.2mm. Among them, the second reinforcement part is connected to the first reinforcement part, and the first reinforcement part is located between the inner core part 100 and the second reinforcement part. The second reinforcement part is the second reinforcement layer 410, which is specifically optimized to 1mm. The thickness of the second reinforcement part is 1.5mm-3mm, and is specifically optimized to 2mm

[0085] In this embodiment, the first reinforcement part is the first reinforcement layer 310, and the second reinforcement part is the second reinforcement layer 410. The first reinforcement layer 310 is arranged on the back side of the inner core part 100 relative to the appearance part 200, and the second reinforcement layer 410 is arranged on the back side of the first reinforcement layer 310 relative to the inner core part 100, thereby improving the dent resistance of the composite board and increasing the overall strength.

[0086] Specifically, the first reinforcing portion is configured as a thermoplastic resin component to achieve overall reinforcement of the composite plate.

[0087] Specifically, the second reinforcement part is configured as a continuous fiber reinforced thermoplastic or thermosetting composite member to achieve overall reinforcement of the composite plate.

[0088] Example 7

[0089] like Figure 7 As shown, a composite plate comprises: an inner core portion 100, an appearance portion 200, a first reinforcement portion and a second reinforcement portion.

[0090] The inner core 100 is configured as a continuous fiber reinforced thermoplastic or thermosetting composite, and the thickness of the inner core 100 can be 0.15 mm to 0.5 mm, and is specifically optimized to be 0.2 mm.

[0091] Among them, the appearance part 200 is set as a decorative layer, the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating, specifically optimized as a polyurethane part, the appearance part 200 is set as a polyurethane part, the thickness of the appearance part 200 is 0.3mm-0.7mm, specifically optimized to 0.5mm, the appearance part 200 includes an observation surface, the appearance part 200 is connected to the inner core part 100, and the observation surface is located on the back of the surface of the appearance part 200 where the inner core part 100 is located.

[0092] The first reinforcing portion is connected to the inner core portion 100 , and the inner core portion 100 is located between the exterior portion 200 and the first reinforcing portion. The first reinforcing portion is a first reinforcement layer 310 .

[0093] Among them, the second reinforcement part is connected to the first reinforcement part, the first reinforcement part is located between the inner core part 100 and the second reinforcement part, the second reinforcement part is a second reinforcement rib 420, the second reinforcement rib 420 includes a plurality of second reinforcement heads, the second reinforcement head includes a second connection part 421, and the second connection part 421 is connected to the first reinforcement layer 310.

[0094] In this embodiment, the first reinforcement part is the first reinforcement layer 310, and the second reinforcement part is the second reinforcement rib 420. The second reinforcement rib 420 is a partially hollowed structure formed on the back side of the inner core 100, which plays a role in overall reinforcement and local reinforcement.

[0095] Specifically, the first reinforcing portion is configured as a thermoplastic resin component to achieve overall reinforcement of the composite plate.

[0096] Specifically, the second reinforcement portion is configured as a continuous fiber reinforced thermoplastic or thermosetting composite member to achieve local reinforcement of the composite plate.

[0097] Example 8

[0098] like Figure 8 As shown, the difference between Example 8 and Example 7 is that, based on Example 7, the second reinforcement head also includes a second protrusion 422, the second protrusion 422 is integrally connected to the second connection part 421 and protrudes from the second connection part 421, and the connection cross-sectional area at the connection between the second connection part 421 and the second protrusion 422 is smaller than the connection cross-sectional area at the connection between the second connection part 421 and the first reinforcement layer 310.

[0099] In this embodiment, the second protrusion 422 can strengthen the composite sheet material. The connection cross-sectional area at the connection between the second connection part 421 and the second protrusion 422 is smaller than the connection cross-sectional area at the connection between the second connection part 421 and the first reinforcement layer 310. Therefore, the second connection part 421 can increase the connection strength between the second reinforcement head and the first reinforcement layer 310.

[0100] Example 9

[0101] like Figure 9 As shown, the difference between the ninth embodiment and the eighth embodiment is that, based on the ninth embodiment, the cross-sectional area of the second connection portion 421 in the direction extending from the first reinforcement layer 310 toward the second protruding portion 422 gradually decreases.

[0102] In this embodiment, the cross-sectional area of the second connection portion 421 extending from the first reinforcement layer 310 toward the second protrusion 422 gradually decreases, reducing the portion of the composite board with a thicker overall wall thickness, thereby reducing the local surface shrinkage caused by the second reinforcement rib 420.

[0103] Example 10

[0104] like Figure 10 As shown, a composite plate comprises: an inner core portion 100, an appearance portion 200, a first reinforcement portion and a second reinforcement portion.

[0105] The inner core 100 is configured as a continuous fiber reinforced thermoplastic or thermosetting composite.

[0106] Among them, the appearance part 200 is set as a decorative layer, and the decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating, specifically optimized as a polyurethane part. The appearance part 200 includes an observation surface, and the appearance part 200 is connected to the inner core part 100. The observation surface is located on the back of the surface of the appearance part 200 where the inner core part 100 is located.

[0107] Among them, the first reinforcement part is connected to the inner core part 100, and the inner core part 100 is located between the appearance part 200 and the first reinforcement part. The first reinforcement part is a first reinforcement rib 320, and the first reinforcement rib 320 includes multiple first reinforcement heads. The first reinforcement head includes a first connection part 321, and the second reinforcement layer 410 is connected to the inner core part 100 through the first connection part 321.

[0108] Among them, the second reinforcement part is connected to the first reinforcement part, the first reinforcement part is located between the inner core part 100 and the second reinforcement part, the second reinforcement part is the second reinforcement layer 410, the thickness of the inner core part 100 can be 0.15mm-0.5mm, specifically optimized to 0.2mm as the best, the thickness of the appearance part 200 is 0.3mm-0.7mm, specifically optimized to 0.5mm, the thickness of the first reinforcement part is 0.7mm-1.2mm, specifically optimized to 1mm, the thickness of the second reinforcement part is 1.5mm-3mm, specifically optimized to 2mm

[0109] In this embodiment, the first reinforcement portion is the first reinforcement rib 320, which is a partially hollowed structure formed on the back side of the inner core portion 100. The second reinforcement portion is the second reinforcement layer 410, which plays both overall and local reinforcement roles.

[0110] Specifically, the first reinforcing portion is configured as a thermoplastic resin component to achieve local reinforcement of the composite plate.

[0111] Specifically, the second reinforcement part is configured as a continuous fiber reinforced thermoplastic or thermosetting composite member to achieve overall reinforcement of the composite plate.

[0112] Example 11

[0113] like Figure 11 As shown, the difference between Example 11 and Example 10 is that, on the basis of Example 10, the first reinforcement head further includes a first protrusion 322, the number of the first connection parts 321 is two, and the two first connection parts 321 are respectively located at both ends of the first protrusion 322 and are integrally connected, one first connection part 321 is connected to the inner core part 100, and the connection cross-sectional area at the connection between the first connection part 321 and the first protrusion 322 is smaller than the connection cross-sectional area at the connection between the first connection part 321 and the inner core part 100, and the other first connection part 321 is connected to the second reinforcement layer 410, and the connection cross-sectional area at the connection between the first connection part 321 and the first protrusion 322 is smaller than the connection cross-sectional area at the connection between the first connection part 321 and the second reinforcement layer 410.

[0114] In this embodiment, the first protrusion 322 can reinforce the composite plate, and the two first connection parts 321 can increase the connection strength between the first reinforcement head and the inner core 100 and between the first reinforcement head and the second reinforcement layer 410 .

[0115] Example 12

[0116] like Figure 12 As shown, the difference between Example 12 and Example 11 is that, based on Example 11, the cross-sectional area of the first connecting portion 321 extending from the inner core portion 100 toward the first protruding portion 322 gradually decreases, and the cross-sectional area of the first connecting portion 321 extending from the second reinforcement layer 410 toward the first protruding portion 322 gradually decreases.

[0117] In this embodiment, the thicker portion of the overall wall thickness of the composite plate is reduced, thereby reducing the local surface shrinkage caused by the first reinforcing rib 320 .

[0118] Example 13

[0119] like Figure 13 As shown, a composite board comprises: an inner core portion 100, an appearance portion 200 and a first reinforcement portion, wherein the appearance portion 200 is composed of a polyurethane layer 201 and a paint layer 202, wherein the polyurethane layer 201 is located on the outer surface of the inner core portion 100, and the paint layer 202 is located on the outer surface of the polyurethane layer 201; using a single polyurethane layer 201 cannot be processed when a special color is used, so after the polyurethane layer 201 is in-mold-injected, a paint layer 202 is added to its outer surface, the polyurethane layer is also a polyurethane part, and the paint layer 202 is located on the outer surface of the polyurethane layer 201, the thickness of the polyurethane layer 201 is 0.3mm-0.7mm, specifically optimized to 0.5mm, and the paint layer The thickness of 202 is 50-75um, specifically optimized to 60um, wherein the inner core portion 100 is set to a continuous fiber reinforced thermoplastic or thermosetting composite, preferably a continuous fiber reinforced thermoplastic composite, and the thickness of the inner core portion 100 can be 0.15mm-0.5mm, specifically optimized to 0.2mm as the best, wherein the appearance portion 200 is set to a polyurethane part, and the thickness of the appearance portion 200 is 0.3mm-0.7mm, specifically optimized to 0.5mm, and the appearance portion 200 includes an observation surface, and the appearance portion 200 is connected to the inner core portion 100, and the observation surface is located on the back of the surface of the appearance portion 200 where the inner core portion 100 is located.

[0120] Among them, the first reinforcement part is connected to the inner core part 100, the thickness of the first reinforcement part is 0.7mm-1.2mm, specifically optimized to 1mm, the inner core part 100 is located between the appearance part 200 and the first reinforcement part, the first reinforcement part is the first reinforcement rib 320, the first reinforcement rib 320 includes multiple first reinforcement heads, the first reinforcement head includes a first connection part 321, and the first connection part 321 is connected to the inner core part 100.

[0121] In this embodiment, the first reinforcing rib 320 is a partially hollowed structure formed on the back side of the inner core 100 , which not only plays a role of local reinforcement but also further reduces the weight.

[0122] Specifically, the first reinforcing part is set as a thermoplastic resin part to achieve local reinforcement of the composite plate.

[0123] An automobile trim, comprising the composite plate described above, wherein the automobile trim can be the inner or outer panel of an automobile door panel, the inner or outer panel of an automobile tailgate, or the fuselage skin of an aircraft, including the outer skin or inner skin of the fuselage. The automobile trim can also be an automobile hood cover.

[0124] like Figures 1-13 As shown, a car door panel includes a composite board as described in any one of Examples 1 to 13.

[0125] Specifically, such as an automobile outer door panel, the inner core portion 100 is located on the relatively inner side of the automobile, and the appearance portion 200 is located on the relatively outer side of the automobile; such as an automobile inner door panel, the inner core portion 100 is located on the relatively outer side of the automobile, and the appearance portion 200 is located on the relatively inner side of the automobile.

[0126] like Figures 1-13 As shown, a car tailgate includes a composite board as described in any one of Examples 1 to 13, which can specifically be an outer panel or an inner panel of a car tailgate.

[0127] like Figures 1-13 As shown, an aircraft fuselage skin or a car hood cover includes a composite panel as described in any one of Examples 1 to 13. The car trim can be an inner or outer panel of a car hood, a fender, a roof, or other body parts, or a logistics vehicle compartment, or can be used in a flying car, such as an outer fuselage skin or an inner fuselage skin.

Claims

1. A composite plate, characterized in that: include: an inner core configured as a continuous fiber reinforced thermoplastic or thermosetting composite; The appearance part is provided as a decorative layer, and the appearance part comprises an observation surface, the appearance part is connected to the inner core part, and the observation surface is located on the back side of the surface of the appearance part where the inner core part is located.

2. A composite plate according to claim 1, characterized in that: The decorative layer is polyurethane or polyurea, nylon, dicyclopentadiene or epoxy coating.

3. The composite plate according to claim 1, wherein: The decorative layer is paint.

4. The composite plate according to claim 1, wherein: The thickness of the inner core is 0.15mm-0.5mm.

5. The composite plate according to claim 1, wherein: The thickness of the appearance part is 0.3mm-0.7mm.

6. The composite plate according to claim 1, wherein: It also includes a first reinforcing portion, which is connected to the inner core portion. The inner core portion is located between the appearance portion and the first reinforcing portion. The first reinforcing portion is a first reinforcing layer or a first reinforcing rib.

7. The composite plate material according to claim 6, wherein the thickness of the first reinforcement portion is 0.7 mm to 1.2 mm.

8. The composite board according to claim 6, wherein: The first reinforcing part is configured as a thermoplastic resin member.

9. The composite board according to claim 6, wherein: The first reinforcement portion is a first reinforcement rib, the first reinforcement rib includes a plurality of first reinforcement heads, the first reinforcement head includes a first connection portion, and the first connection portion is connected to the inner core portion.

10. The composite board according to claim 9, characterized in that: The first reinforcement head also includes a first protrusion, which is integrally connected to the first connecting portion and protrudes from the first connecting portion. The connection cross-sectional area of the first connecting portion and the first protrusion is smaller than the connection cross-sectional area of the first connecting portion and the inner core.

11. The composite plate according to claim 10, wherein: The cross-sectional area of the first connecting portion extending from the inner core portion toward the first protruding portion gradually decreases.

12. The composite board according to claim 6, wherein: It also includes a second reinforcing part, which is connected to the first reinforcing part. The first reinforcing part is located between the inner core part and the second reinforcing part. The second reinforcing part is a second reinforcing layer or a second reinforcing rib.

13. The composite board according to claim 12, wherein: The thickness of the second reinforcement portion is 1.5 mm to 3 mm.

14. The composite board according to claim 13, wherein: The second reinforcement part is configured as a continuous fiber reinforced thermoplastic composite part.

15. The composite board according to claim 12, wherein: The first reinforcement part is a first reinforcement layer, the second reinforcement part is a second reinforcement rib, the second reinforcement rib includes a plurality of second reinforcement heads, the second reinforcement head includes a second connection part, and the second connection part is connected to the first reinforcement layer.

16. The composite board according to claim 15, characterized in that: The second reinforcement head also includes a second protrusion, which is integrally connected to the second connection part and protrudes from the second connection part. The connection cross-sectional area at the connection between the second connection part and the second protrusion is smaller than the connection cross-sectional area at the connection between the second connection part and the first reinforcement layer.

17. The composite board according to claim 16, wherein: A cross-sectional area of the second connection portion in a direction extending from the first reinforcement layer toward the second protruding portion gradually decreases.

18. The composite board according to claim 12, wherein: The first reinforcement part is a first reinforcement rib, the second reinforcement part is a second reinforcement layer, the first reinforcement rib includes a plurality of first reinforcement heads, the first reinforcement head includes a first connection part, and the second reinforcement layer is connected to the inner core part through the first connection part.

19. The composite board according to claim 18, wherein: The first reinforcement head also includes a first protrusion, and the number of the first connection parts is two. The two first connection parts are respectively located at both ends of the first protrusion and are integrally connected. One first connection part is connected to the inner core part, and the connection cross-sectional area of the first connection part and the first protrusion is smaller than the connection cross-sectional area of the first connection part and the inner core part. The other first connection part is connected to the second reinforcement layer, and the connection cross-sectional area of the first connection part and the first protrusion is smaller than the connection cross-sectional area of the first connection part and the second reinforcement layer.

20. The composite board according to claim 19, wherein: The cross-sectional area of the first connecting portion extending from the inner core portion toward the first protruding portion gradually decreases, and the cross-sectional area of the first connecting portion extending from the second reinforcing layer toward the first protruding portion gradually decreases.

21. The composite board according to claim 1, wherein: In the above-mentioned composite board, the appearance portion is composed of a polyurethane layer and a paint layer, wherein the polyurethane layer is located on the outer surface of the inner core portion, and the paint layer is located on the outer surface of the polyurethane layer.

22. An automobile accessory, characterized in that: It comprises a composite board as described in any one of claims 1-21.

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