CN210941618U - Interior outer decorative board of car and use its car - Google Patents
Interior outer decorative board of car and use its car Download PDFInfo
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- CN210941618U CN210941618U CN201920931016.2U CN201920931016U CN210941618U CN 210941618 U CN210941618 U CN 210941618U CN 201920931016 U CN201920931016 U CN 201920931016U CN 210941618 U CN210941618 U CN 210941618U
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Abstract
The utility model provides an interior and exterior decorative plate of a vehicle, which comprises a sound absorption layer, a substrate layer and a surface layer, wherein the substrate layer is provided with a first side and a second side which are opposite, the sound absorption layer is arranged on the first side of the substrate layer, and the surface layer is arranged on the second side of the substrate layer; the substrate layer includes the EPP base plate, EPP base plate surface is formed with from skinning plastify layer, cover from skinning plastify layer the EPP base plate. The utility model discloses a decorative board in car, substrate layer adopt the EPP base plate, and the EPP base plate is made through skinning technology, and EPP base plate surface forms can strengthen EPP base plate's outward appearance effect and rigidity from skinning plastify layer, reduces the whole weight of plaque in the car.
Description
Technical Field
The utility model relates to an automotive interior exterior field, in particular to interior exterior trim board of car and use its car.
Background
At present, the requirement for light weight of the whole automobile in the automobile industry is increasingly strong, and the weight reduction of the inner and outer decorative plates of the automobile is the current research direction. The middle decorative plate of the car door is generally of a three-layer structure, wherein the surface skin adopts a PVC or PC + ABS material buffer layer and adopts PU foaming material; the skeleton is made of modified PP, ABS and other materials.
Plastics such as door trim body, side wall trim panel, front and rear bumper are molded and manufactured by adopting material processes such as PP injection molding, low-density material, thin-wall, PP micro-foaming injection molding and PP foaming injection molding in the market. In order to achieve the purposes of reducing weight and cost, the foaming ratio is more and more, and the basic direction is to replace the existing injection molding process with foaming;
the interior and exterior decorative plates of the vehicle are generally formed by injection molding, the price of the traditional plastic material is stable, but the weight is not reduced all the time, so that the price of interior parts is not reduced all the time; by adopting the process forms of PP micro-foaming/PP foaming and the like, the defects of cells in appearance often appear, the weight is lightened, but the appearance effect is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that interior outer decorative board of car weight is big, with high costs is solved.
In order to solve the technical problem, the utility model discloses an interior and exterior decorative plate for a vehicle, which comprises a sound absorption layer, a substrate layer and a surface layer, wherein the substrate layer is provided with a first side and a second side which are opposite, the sound absorption layer is arranged at the first side of the substrate layer, and the surface layer is arranged at the second side of the substrate layer;
the substrate layer includes the EPP base plate, EPP base plate surface is formed with from skinning plastify layer, cover from skinning plastify layer the EPP base plate.
Further, the density of the EPP substrate is 360-450kg/m3。
Further, the sound absorbing layer is sound absorbing cotton, the sound absorbing cotton is combined with the base material layer through an adhesive.
Further, the thickness of the EPP substrate is 6-15 mm.
The thickness of the self-skinning plasticized layer is 2-4 mm.
Further, the self-skinning plasticized layer is textured.
The surface layer is made of PU or PVC.
The EPP substrate is made by foaming molding.
Further, the EPP substrate is a closed cell structure.
An automobile comprises the automobile inner and outer decorative plates.
Adopt above-mentioned technical scheme, have following beneficial effect:
the utility model discloses a decorative board in car, substrate layer adopt the EPP base plate, and the EPP base plate is made through skinning technology, and EPP base plate surface forms can strengthen EPP base plate's outward appearance effect and rigidity from skinning plastify layer, reduces the whole weight of plaque in the car. And the EPP substrate can be used as an exterior member.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the EPP substrate;
the following is a supplementary description of the drawings:
1-self-skinning plasticized layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Example 1:
in order to solve the technical problem, embodiment 1 of the present invention discloses an interior and exterior decorative panel for a vehicle, which includes a sound absorbing layer, a substrate layer and a surface layer, wherein the substrate layer has a first side and a second side opposite to each other, the sound absorbing layer is disposed on the first side of the substrate layer, and the surface layer is disposed on the second side of the substrate layer;
the substrate layer includes the EPP base plate, EPP base plate surface is formed with from the leather skin plastic layer 1, from the leather skin plastic layer 1 cladding EPP base plate.
The density of the EPP substrate is 360-450kg/m3。
The sound absorbing layer is sound absorbing cotton, the sound absorbing cotton is combined with the base material layer through an adhesive.
The thickness of the EPP substrate is 6-15 mm. The 30-fold EPP density is 1/30 for conventional PP plastic, and the EPP design thickness is approximately 6 times that of conventional plastic. The weight is about 20 percent of that of the traditional plastic part, so that the weight of the product can be greatly reduced;
the thickness of the self-skinning plasticized layer 1 is 2-4 mm. The self-skinning plasticizing layer 1 is formed by secondary high-pressure steam heating or secondary water path (electric) heating.
The self-skinning plasticized layer 1 is textured. The appearance quality of the traditional EPP product is rough, and a secondary forming process is adopted, so that the dermatoglyph and the plasticized surface are formed in the secondary forming process, and a good appearance effect can be achieved;
the surface layer is made of PU.
The EPP substrate is made by foaming molding.
The EPP substrate is of a closed cell structure. The EPP substrate is formed by expanding and combining EPP particles, and consists of gas and solid.
An automobile comprises the automobile inner and outer decorative plates. Under the specific condition, the surface layer of the vehicle interior and exterior decorative plate can be eliminated, and the EPP substrate is provided with the self-skinning plasticizing layer 1 which can be directly used as an appearance piece.
Example 2:
the embodiment 2 of the utility model discloses an interior and exterior decorative plate of a vehicle, which comprises a sound absorption layer, a substrate layer and a surface layer, wherein the substrate layer is provided with a first side and a second side which are opposite, the sound absorption layer is arranged on the first side of the substrate layer, and the surface layer is arranged on the second side of the substrate layer;
as shown in figure 1, the substrate layer comprises an EPP substrate, a self-skinning plastic layer 1 is formed on the surface of the EPP substrate, and the EPP substrate is coated by the self-skinning plastic layer 1.
The density of the EPP substrate is 360-450kg/m3。
The sound absorbing layer is sound absorbing cotton, the sound absorbing cotton is combined with the base material layer through an adhesive.
The thickness of the EPP substrate is 6-15 mm. The 30-fold EPP density is 1/30 for conventional PP plastic, and the EPP design thickness is approximately 6 times that of conventional plastic. The weight is about 20 percent of that of the traditional plastic part, so that the weight of the product can be greatly reduced;
the thickness of the self-skinning plasticized layer 1 is 2-4 mm. The self-skinning plasticizing layer 1 is formed by secondary high-pressure steam heating or secondary water path (electric) heating.
The self-skinning plasticized layer 1 is textured. The appearance quality of the traditional EPP product is rough, and a secondary forming process is adopted, so that the dermatoglyph and the plasticized surface are formed in the secondary forming process, and a good appearance effect can be achieved;
the surface layer is made of PVC.
The EPP substrate is made by foaming molding.
The EPP substrate is of a closed cell structure. The EPP substrate is formed by expanding and combining EPP particles, and consists of gas and solid.
An automobile comprises the automobile inner and outer decorative plates. Under the specific condition, the surface layer of the vehicle interior and exterior decorative plate can be eliminated, and the EPP substrate is provided with the self-skinning plasticizing layer 1 which can be directly used as an appearance piece.
Example 3:
in order to solve the technical problem, embodiment 3 of the present invention discloses an interior and exterior decorative panel for a vehicle, which includes a sound absorbing layer, a substrate layer and a surface layer, wherein the substrate layer has a first side and a second side opposite to each other, the sound absorbing layer is disposed on the first side of the substrate layer, and the surface layer is disposed on the second side of the substrate layer;
the substrate layer includes the EPP base plate, EPP base plate surface is formed with from the crust plastify layer 1, from the 1 cladding of crust plastify layer EPP base plate.
The density of the EPP substrate is 360-450kg/m3。
The sound absorption layer is a sound insulation board and is combined with the base material layer through an adhesive.
The thickness of the EPP substrate is 6-15 mm. The 30-fold EPP density is 1/30 for conventional PP plastic, and the EPP design thickness is approximately 6 times that of conventional plastic. The weight is about 20 percent of that of the traditional plastic part, so that the weight of the product can be greatly reduced;
the thickness of the self-skinning plasticized layer 1 is 2-4 mm. The self-skinning plasticizing layer 1 is formed by secondary high-pressure steam heating or secondary water path (electric) heating.
The self-skinning plasticized layer 1 is textured. The appearance quality of the traditional EPP product is rough, and a secondary forming process is adopted, so that the dermatoglyph and the plasticized surface are formed in the secondary forming process, and a good appearance effect can be achieved;
the surface layer is made of PU.
The EPP substrate is made by foaming molding.
The EPP substrate is of a closed cell structure. The EPP substrate is formed by expanding and combining EPP particles, and consists of gas and solid.
An automobile comprises the automobile inner and outer decorative plates. Under the specific condition, the surface layer of the vehicle interior and exterior decorative plate can be eliminated, and the EPP substrate is provided with the self-skinning plasticizing layer 1 which can be directly used as an appearance piece.
Example 4:
example 4 provides a process for producing an EPP substrate, wherein the process comprises the following steps: expanding and foaming the EPP particles in particle prepressing equipment by adopting sectional pressure to obtain expanded and foamed EPP particles;
injecting the expanded and foamed EPP particles into a cavity of a mold in multiple steps, enabling the expanded and foamed EPP particles to be uniformly distributed through pressurized flowing air until the cavity is filled with the expanded and foamed EPP particles, and then closing the mold;
heating the mould by steam to ensure that the expanded and foamed EPP particles are continuously expanded and combined together to form an EPP block;
heating the mould in a high-pressure steam heating mode, moving the mould inwards for a certain distance relatively, and plasticizing the surface of the EPP block to form a layer of plasticized protective film on the surface of the EPP block;
cooling the die by water rapidly;
and (4) demolding, and taking out the EPP block molded in the mold. After the high-pressure steam heating in the step 4 is carried out, the particles can be fused to form a strong protective layer, the interaction force among the particles can be increased, and the problem of easy falling can not occur; the surfaces are fused with each other, so that the hardness and the rigidity can be greatly improved; the surface rigidity and hardness are improved, and the performances of wear resistance, scratch resistance, ultraviolet resistance, scratch resistance and the like of the surface can meet the requirements of the inner and outer decorative plates of the automobile;
the sectional type pressure is six-section type pressure, which is respectively as follows: pre-pressing process 1, wherein the pressure is 0.3-0.5bar, and the pressing time is 20-30 min; 2, prepressing at 2-3bar for 5-6 h; pre-pressing process 3, wherein the pressure is 2-3bar, and the pressing time is 15-20 min; pre-pressing process 4, wherein the pressure is 1.5-2bar, and the pressing time is 40-50 min; pre-pressing at 2.5-3.5bar for 15-20 min; a pre-pressing process 6 at a pressure of2.5-3bar, and the pressing time is 80-90 h. The die is made of aluminum. The die is integrally formed. The pressure of the flowing air is 3-4kgf/cm2. The temperature in the cavity is 170-200 ℃. The pressure in the cavity is 9-11kgf/cm2. The cooling speed in the cooling process is 2-4 ℃/S. The water cooling time in the cooling process is 25-35 s. The water cooling pressure in the cooling process is 7kgf/cm2. And (2) a flow scheme: expanding and foaming the EPP particles in particle prepressing equipment by adopting sectional pressure to obtain expanded and foamed EPP particles;
injecting the expanded and foamed EPP particles into a cavity of a mold in multiple steps, enabling the expanded and foamed EPP particles to be uniformly distributed through pressurized flowing air until the cavity is filled with the expanded and foamed EPP particles, and then closing the mold;
heating the mould by steam to ensure that the expanded and foamed EPP particles are continuously expanded and combined together to form an EPP block;
cooling the die by water rapidly;
and (4) demolding, and taking out the EPP block molded in the mold.
The sectional type pressure is six-section type pressure, which is respectively as follows: pre-pressing process 1, wherein the pressure is 0.3-0.5bar, and the pressing time is 20-30 min; 2, prepressing at 2-3bar for 5-6 h; pre-pressing process 3, wherein the pressure is 2-3bar, and the pressing time is 15-20 min; pre-pressing process 4, wherein the pressure is 1.5-2bar, and the pressing time is 40-50 min; pre-pressing at 2.5-3.5bar for 15-20 min; and 6, prepressing at 2.5-3bar for 80-90 h. The die is made of aluminum. The die is integrally formed. The pressure of the flowing air is 3-4kgf/cm2. The temperature in the cavity is 170-200 ℃. The pressure in the cavity is 9-11kgf/cm2. The cooling speed in the cooling process is 2-4 ℃/S. The water cooling time in the cooling process is 25-35 s. The water cooling pressure in the cooling process is 7kgf/cm2. The formed EPP block is heated by secondary hot ironing by an appearance mould to form a surface layer with compact surface, so as to achieve plasticizing andthe effect of the texture. The particles on the surface can be fused to form a strong protective layer after the secondary hot ironing molding, so that the interaction force among the particles can be increased, and the problem of easy falling can be avoided; the surfaces are fused with each other, so that the hardness and the rigidity can be greatly improved; the surface rigidity and hardness are improved, and the performances of wear resistance, scratch resistance, ultraviolet resistance, scratch resistance and the like of the surface can meet the requirements of the inner and outer decorative plates of the automobile;
the above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an interior outer decorative board of car which characterized in that: the sound absorption layer is arranged on the first side of the base material layer, and the surface layer is arranged on the second side of the base material layer;
the substrate layer includes the EPP base plate, EPP base plate surface is formed with from the crust plastify layer (1), from the cladding of crust plastify layer (1) EPP base plate.
2. The vehicle interior and exterior trim panel according to claim 1, wherein: the sound absorbing layer is made of sound absorbing cotton or sound insulating boards, and the sound absorbing layer is combined with the base material layer through an adhesive.
3. The vehicle interior and exterior trim panel according to claim 1, wherein: the thickness of the EPP substrate is 6-15 mm.
4. The vehicle interior and exterior trim panel according to claim 1, wherein: the thickness of the self-skinning plasticizing layer (1) is 2-4 mm.
5. The vehicle interior and exterior trim panel according to claim 1, wherein: the self-skinning plasticizing layer (1) is provided with textures.
6. The vehicle interior and exterior trim panel according to claim 1, wherein: the surface layer is made of PU or PVC, and the surface layer is combined with the base material layer in a coating mode.
7. The vehicle interior and exterior trim panel according to claim 1, wherein: the EPP substrate is made by foaming molding.
8. The vehicle interior and exterior trim panel according to claim 1, wherein: the EPP substrate is of a closed cell structure.
9. An automobile, characterized in that: the vehicle interior and exterior trim panel according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931016.2U CN210941618U (en) | 2019-06-19 | 2019-06-19 | Interior outer decorative board of car and use its car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931016.2U CN210941618U (en) | 2019-06-19 | 2019-06-19 | Interior outer decorative board of car and use its car |
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| Publication Number | Publication Date |
|---|---|
| CN210941618U true CN210941618U (en) | 2020-07-07 |
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| CN201920931016.2U Active CN210941618U (en) | 2019-06-19 | 2019-06-19 | Interior outer decorative board of car and use its car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816742A (en) * | 2023-02-21 | 2023-03-21 | 沈阳力登维汽车部件有限公司 | Preparation method of EPP (expanded polypropylene) based composite material anti-seismic energy-absorbing automobile bumper |
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2019
- 2019-06-19 CN CN201920931016.2U patent/CN210941618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816742A (en) * | 2023-02-21 | 2023-03-21 | 沈阳力登维汽车部件有限公司 | Preparation method of EPP (expanded polypropylene) based composite material anti-seismic energy-absorbing automobile bumper |
| CN115816742B (en) * | 2023-02-21 | 2023-06-02 | 沈阳力登维汽车部件有限公司 | Preparation method of EPP (expanded polypropylene) -based composite anti-seismic energy-absorbing automobile bumper |
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Effective date of registration: 20230803 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Address before: No.3366 Weiwu Road, dajiangdong Industrial Cluster District, Hangzhou, Zhejiang Province Patentee before: ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |