Wood-like automotive interior trim part

Abstract

The utility model relates to the technical field of automobile interiors, in particular to a wood-like automobile interior trim part which comprises an interior trim part base body. The primer layer, the first protective layer, the wood grain layer, the semitransparent colored paint layer and the second protective layer are sequentially arranged on the surface of the interior trim part base body in a stacked mode from bottom to top. The interior trim part base body is obtained through injection molding of raw materials and wood flour. The utility model has the characteristics that the layer structure design is simpler and more reasonable, the cost of raw materials can be reduced, and the precision of finished products can be better controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive interior decoration, in particular to a wood-like automotive interior part. Background Art

[0002] With the development of automotive interior parts, people increasingly pursue the quality of returning to nature, which makes the wood grain structure more and more popular. However, due to the large weight of solid wood materials, poor machinability, large wood consumption, environmental unfriendliness and high cost, the demand for replaceable wood-like materials is increasing day by day.

[0003] Chinese Patent (CN110734602A) discloses a low-temperature resistant and thermoformable wood-like TPE composite board for manufacturing automotive floor mats and its manufacturing method; Chinese Patent (CN 102941714 A) discloses a composite board; Chinese Patent (CN115895002A) discloses a manufacturing method of a wood-like solid wood TPE composite board. The layer structure design in the above patent application technologies is not reasonable enough, resulting in the following disadvantages in the processing and manufacturing process: high requirements for raw materials, high production costs, and large raw material losses. Moreover, the finished products are greatly affected by thermal expansion and contraction, and it is not easy to control the accuracy of the finished products. Summary of the Utility Model

[0004] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is how to provide a wood-like automotive interior part and its production method with a simpler and more reasonable layer structure design, which can reduce the raw material cost and better control the accuracy of the finished product.

[0005] To achieve the above object, the utility model provides a wood-like automotive interior part, including an interior part base body; characterized in that it further includes a primer layer, a first protective layer, a wood grain layer, a semi-transparent paint layer and a second protective layer which are sequentially stacked on the surface of the interior part base body from bottom to top; and the interior part base body is obtained by injection molding of raw materials and wood powder.

[0006] In this way, in the above-mentioned wood-like automotive interior part, by sequentially arranging a primer layer, a first protective layer, a wood grain layer, a semi-transparent paint layer and a second protective layer on the surface of the interior part base body, such a layer structure design is simpler and more reasonable, which can be more convenient for processing and manufacturing, and can also protect the wood grain layer and improve the quality of the product. Secondly, by obtaining the interior part base body by injection molding of raw materials and wood powder, it has the following advantages: 1. Compared with pure wood interior parts, it can improve production efficiency and reduce the defective product rate; 2. It is less affected by thermal expansion and contraction, and it is easier to control the accuracy of the product; 3. Part of the material is degradable, which is more environmentally friendly.

[0007] As an optimization, the raw material is PVC raw material.

[0008] In this way, using PVC as the raw material is more conducive to injection molding, and it can be better mixed with wood powder.

[0009] As an optimization, a colored paint layer is provided on the outer surface of the first protective layer, and the colored paint attached to the outer layer of the colored paint layer is polished and peeled according to the texture to obtain the wood grain layer.

[0010] In this way, by providing a colored paint layer on the outer surface of the first protective layer and polishing and peeling the colored paint attached to the outer layer of the colored paint layer according to the texture to obtain the wood grain layer, it is more convenient to obtain the wood grain layer and the processing is more convenient.

[0011] As an optimization, the primer layer, the first protective layer, the colored paint layer, the semi-transparent colored paint layer and the second protective layer are all obtained by the processing method of spraying and then baking.

[0012] In this way, the primer layer, the first protective layer, the colored paint layer, the semi-transparent colored paint layer and the second protective layer are all obtained by the processing method of spraying and then baking, which is more convenient for processing and the process is simpler.

[0013] As an optimization, the first protective layer is arranged transparently to form a transparent layer.

[0014] In this way, the first protective layer is arranged transparently to form a transparent layer, and the design is more reasonable, making the appearance quality of the wood grain layer better.

[0015] In summary, the utility model has a simpler and more reasonable layer structure design, which can reduce the raw material cost, better control the finished product precision; and can reduce the material cost, better control the thermal expansion and contraction rate, and better control the product precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the layer structure of the wood-like automotive interior part in the specific embodiment of the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following further illustrates the utility model with reference to the drawings and embodiments. It should be noted that in the description of the utility model, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific manner, so it cannot be understood as a limitation to the utility model. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] Such as Figure 1As shown in the figure, a wood-like automotive interior part includes an interior part substrate 1; it also includes a primer layer 2, a first protective layer 3, a wood grain layer 4, a semi-transparent paint layer 5, and a second protective layer 6 that are sequentially stacked from bottom to top on the surface of the interior part substrate; and the interior part substrate is obtained by injection molding using raw materials and wood powder.

[0019] In this way, in the above-mentioned wood-like automotive interior part, by sequentially arranging a primer layer, a first protective layer, a wood grain layer, a semi-transparent paint layer, and a second protective layer on the surface of the interior part substrate, such a layer structure design is simpler and more reasonable, which can be more convenient for processing and manufacturing, and can also protect the wood grain layer and improve the product quality. Secondly, by obtaining the interior part substrate by injection molding using raw materials and wood powder, it has the following advantages: 1. Compared with pure wood interior parts, it can improve production efficiency and reduce the defective rate; 2. It is less affected by thermal expansion and contraction, and the product accuracy is easier to control; 3. Part of the material is degradable, which is more environmentally friendly.

[0020] In this specific embodiment, the raw material is PVC raw material.

[0021] In this way, using PVC raw material as the raw material is more conducive to injection molding, and it can better mix with wood powder.

[0022] In this specific embodiment, a paint layer is provided on the outer surface of the first protective layer, and the paint attached to the outer layer of the paint layer is polished and peeled according to the texture to obtain the wood grain layer.

[0023] In this way, by providing a paint layer on the outer surface of the first protective layer and polishing and peeling the paint attached to the outer layer of the paint layer according to the texture to obtain the wood grain layer, it is more convenient to obtain the wood grain layer and the processing is more convenient.

[0024] In this specific embodiment, the primer layer, the first protective layer, the paint layer, the semi-transparent paint layer, and the second protective layer are all obtained by the processing method of spraying and then baking.

[0025] In this way, the primer layer, the first protective layer, the paint layer, the semi-transparent paint layer, and the second protective layer are all obtained by the processing method of spraying and then baking, which can be more convenient for processing and the process is simpler.

[0026] In this specific embodiment, the first protective layer is provided transparently to form a transparent layer.

[0027] In this way, the first protective layer is provided transparently to form a transparent layer, and the design is more reasonable, making the appearance quality of the wood grain layer better.

[0028] In summary, the utility model has a simpler and more reasonable layer structure design, which can reduce the raw material cost, better control the precision of the finished product; and can reduce the material cost, better control the thermal expansion and contraction rate, and better control the product precision.

[0029] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative work. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field based on the concept of the present utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should fall within the protection scope determined by the claims.

Claims

1. A wood-like automobile interior decoration part, comprising an interior decoration part substrate; characterized in that: It also includes a primer layer, a first protective layer, a wood grain layer, a semi-transparent paint layer and a second protective layer which are stacked on the surface of the interior decoration component base from bottom to top; and the interior decoration component base is obtained by injection molding using raw materials and wood powder.

2. The imitation wood automobile interior decoration part according to claim 1, characterized in that: The raw material is PVC raw material.

3. The imitation wood automobile interior decoration part according to claim 1, characterized in that: A color paint layer is arranged on the outer surface of the first protective layer, and the color paint attached to the outer layer of the color paint layer is polished and peeled off according to the texture to obtain the wood grain layer.

4. The imitation wood automobile interior decoration part according to claim 1, characterized in that: The first protective layer is transparent and forms a transparent layer.

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