CN116749894A

CN116749894A - Vehicle decorative plate component, vehicle and manufacturing method

Info

Publication number: CN116749894A
Application number: CN202310695159.9A
Authority: CN
Inventors: 肖方成
Original assignee: Avatr Technology Chongqing Co Ltd
Current assignee: Avatr Technology Chongqing Co Ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-09-15

Abstract

The application relates to the technical field of vehicles and discloses a vehicle decorative plate member, a vehicle and a manufacturing method thereof, wherein the vehicle decorative plate member comprises an outer layer and a substrate, the outer layer comprises a first leveling layer and at least one first protruding layer, the first protruding layer is higher than the first leveling layer, and the first leveling layer and the first protruding layer are continuously spliced together; the substrate and the outer layer are arranged opposite to each other and comprise a second leveling layer and at least one second protruding layer, the second protruding layer is higher than the second leveling layer, the second leveling layer and the second protruding layer are continuously spliced together, the second protruding layer corresponds to the first protruding layer, the first protruding layer protrudes towards the direction away from the substrate, a concave part is formed in one side, facing the substrate, of the first protruding layer, and the concave part is higher than the first leveling layer; the second protruding layer protrudes towards the direction close to the outer layer, and at least part of the second protruding layer is matched and extends into the concave part. By applying the technical scheme of the application, the trapped air can be reduced, the product quality can be improved, and the strength between structures can be improved.

Description

Vehicle decorative plate component, vehicle and manufacturing method

Technical Field

The application relates to the technical field of vehicles, in particular to a vehicle decorative plate member, a vehicle and a manufacturing method.

Background

In the interior trim of a vehicle, many positions are realized by combining a double layer of soft and hard rubber in order to improve the touch feeling and the aesthetic feeling. For example, the shelf is a double-layer structure formed by double-shot injection molding, the bottom layer is a framework, the shelf can be made of a material with higher hardness, the upper layer is a soft adhesive layer, and the shelf is made of an elastomer material.

In the prior related art, the product after injection molding may have the problems of trapped air and the like, and the quality of the product is low.

Disclosure of Invention

The application provides a vehicle decorative plate member, a vehicle and a manufacturing method thereof, which can reduce trapped air, improve the product quality and improve the strength between structures.

In a first aspect, an embodiment of the present application provides a vehicle trim panel member, including an outer layer and a substrate, wherein the outer layer is made of a first material, and includes a first leveling layer and at least one first bump layer, the first bump layer is higher than the first leveling layer, and the first leveling layer and the first bump layer are continuously spliced together to form the outer layer; the substrate and the outer layer are arranged opposite to each other and made of a second material, the substrate comprises a second leveling layer and at least one second protruding layer, the second protruding layer is higher than the second leveling layer, the second leveling layer and the second protruding layer are continuously spliced together to form the substrate, the second protruding layer corresponds to the first protruding layer, the first protruding layer protrudes towards the direction away from the substrate, a concave part is formed on one side, facing the substrate, of the first protruding layer, and the concave part is higher than the first leveling layer; the second protruding layer protrudes towards the direction close to the outer layer, and at least part of the second protruding layer is matched and extends into the concave part; wherein the first material is different from the second material.

In some possible implementations, the first protruding portion and the second protruding portion are all plural, and the first protruding layer and the second protruding layer are all plural and are disposed in one-to-one correspondence.

In some possible implementations, the difference in thickness of the first bump layer and the first planarizing layer is less than 20%.

In some possible implementations, the width of the bottom end of the second bump layer is less than the thickness of the second planarizing layer.

In some possible implementations, the substrate further includes a mounting structure located at the edge, the mounting structure is spliced with the second flat layer into a whole, and has a portion higher than the second flat layer, the portion of the mounting structure higher than the second flat layer is enclosed at least a portion of the outer edge of the outer layer, the mounting structure is provided with an injection hole arranged along the extending direction of the second flat layer, one end of the injection hole extends into the outer layer, and the other end of the injection hole penetrates through the mounting structure.

In some possible implementations, the injection molding holes are multiple and are uniformly spaced apart along the extension direction of the mounting structure.

In some possible implementations, the vehicle trim member further includes an adapter hole disposed in the middle, the adapter hole extending through the outer layer and the base plate in a direction perpendicular to the base plate, the outer layer being bounded by the adapter hole and divided into a first casting layer and a second casting layer, an injection molding area of the first casting layer in an extension direction thereof being greater than an injection molding area of the second casting layer in an extension direction thereof, a thickness of the first casting layer being greater than a thickness of the second casting layer.

In a second aspect, the present application also provides a vehicle comprising:

a frame;

the vehicle trim panel member of the first aspect is provided on the vehicle frame.

In a third aspect, the present application also provides a manufacturing method for manufacturing the vehicle trim panel member of the first aspect, comprising:

firstly, one of the outer layer and the base plate is formed by injection molding, and then the other is formed by injection molding on the manufactured one to form a vehicle decorative plate member;

the outer layer is made of a first material and comprises a first leveling layer and a first protruding layer which are continuously spliced together; the substrate is made of a second material and comprises a second flat layer and a second convex layer which are continuously spliced together, and the first convex layer corresponds to the second convex layer; the first material is different from the second material.

In some possible implementations, the substrate is injection molded from a second material, where the substrate includes a second planar layer and a second raised layer that are continuously spliced together;

and then adopting a first material to form an outer layer on the substrate by injection molding so as to connect the outer layer with the substrate, wherein the outer layer comprises a first leveling layer and a first protruding layer which are continuously spliced together, and the first protruding layer corresponds to the second protruding layer.

The application relates to a vehicle decorative plate component, a vehicle and a manufacturing method thereof, wherein one of an outer layer and a base plate is formed by injection molding, and the other is formed by injection molding on the manufactured one; the manufactured vehicle decorative plate member comprises an outer layer and a base plate, wherein the outer layer is made of a first material, the base plate is made of a second material, the first material and the second material are different, and the base plate and the outer layer are arranged opposite to each other; the outer first level layer and the first protruding layer that splice together in succession, the direction of keeping away from the base plate is protruding to first protruding layer, and the first protruding layer be higher than first level layer, like this, the thickness on first protruding layer probably is its top surface to the bottom surface on first level layer, can cause whole outer thickness suddenly to increase in first protruding layer department, and first level layer and the thickness difference on first protruding layer are great, can be unfavorable for injection moulding, influence product quality. However, in a specific structure, the first bump layer has a recess on a side facing the substrate, and the recess is higher than the first planarizing layer, i.e., the entire first bump layer is higher than the first planarizing layer, and is recessed inward on a non-bump side to form a recess, so that the actual thickness of the first bump layer is not from its top surface to the bottom surface of the first planarizing layer, but from its top surface to the surface of the recess, and thus, by the provision of the recess, the thickness of the first bump layer is reduced, the thickness difference between the first planarizing layer and the first bump layer is reduced, thereby facilitating injection molding, and improving the quality of the product. The specific principle is that when the outer layer and the base plate are manufactured, hot melt is injected into a corresponding mould through injection equipment, then the melt flows into a space of a preset product in the mould, is solidified after being filled, is demoulded and trimmed, and finally is perfected into the product. Under the condition that the extension area of the product is fixed, the smaller the thickness of the product is, the smaller the space of the position in the corresponding mould is, the larger the resistance of the melt in the process of flowing in the mould is, and the flow rate is smaller at the position; on the contrary, the larger the thickness of the product, the larger the space of the position in the corresponding mould, the smaller the resistance of the melt in the flowing process in the mould, and the larger the flow rate at the position, and further, for the outer layer of the application, if the thickness difference between the first flat layer and the first convex layer is larger, the melt can preferentially flow into the position with larger thickness when flowing, and the flow rate is faster, so that the melt can be fully filled in the position with larger thickness, the part of the melt can overflow and flow back to the position with smaller thickness, the phenomenon of trapping gas can be generated when the melt with slower flow rate at the position with smaller thickness is intersected in the mould, and the melt is not fully filled at the position, and the welding line is generated, thereby influencing the quality of the product. By arranging the concave parts, the thickness difference between the first leveling layer and the first convex layer is reduced, so that the flow speed difference of each position of the melt is reduced when the outer layer is subjected to injection molding, backflow and intersection are not easy, gas in the die can be accurately extruded to the edge of the die to be discharged, the problems of trapped gas, insufficient filling and welding lines are avoided, and the product quality is improved. In addition, the substrate comprises a second leveling layer and at least one second protruding layer which are continuously spliced together, wherein the second protruding layer is higher than the second leveling layer, and the second protruding layer corresponds to the first protruding layer; in order to make the structure more firm, the second protruding layer is protruding towards the direction that is close to the inlayer, and in the cooperation of second protruding layer at least part stretches into the concave part, like this, the second protruding layer can play a supporting role to first protruding layer, simultaneously, through the cooperation of second protruding layer and concave part, can improve the joint strength of structure between skin and the base plate. Specifically, on one hand, at least part of the second protruding layer is matched and stretches into the concave part, which is equivalent to that the second protruding layer and the concave part are mutually embedded into each other and are meshed together, so that the connection of the outer layer and the substrate not only comprises the bonding effect of the first leveling layer and the second leveling layer, but also comprises the effect of the second protruding layer and the concave part of the first protruding layer for preventing the relative displacement of the outer layer and the substrate along the extending direction of the first leveling layer; on the other hand, due to the cooperation of the second convex layer and the concave part, compared with the simple flat plane contact, the bonding contact area is increased, and the connection strength is also increased. Therefore, in summary, the vehicle trim panel member and the manufacturing method of the present application can reduce trapped air, improve product quality, and improve strength between structures.

Drawings

FIG. 1 is a schematic view of a vehicle trim panel member of the present application;

FIG. 2 is a schematic partial top view of a vehicle trim panel member of the present application;

FIG. 3 is a schematic view of a partial cross-sectional structure at A-A of FIG. 3;

FIG. 4 is a schematic view of the structure of the substrate in FIG. 3;

FIG. 5 is a schematic view of a vehicle trim panel member of the present application having injection holes;

FIG. 6 is a schematic structural view of an outer layer of a vehicle trim panel member of the present application;

FIG. 7 is a flow chart of the manufacturing method of the present application.

Reference numerals:

1-an outer layer; 11-a first planarizing layer; 12-a first bump layer; 121-a recess; 13-a first casting layer; 14-a second casting layer; 2-a substrate; 21-a second planarizing layer; 22-a second bump layer; 23-mounting structure; 24-injection molding holes; 3-fit holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are illustrative of the application and are not intended to limit the scope of the application.

In embodiments of the present application, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Furthermore, in the embodiments of the present application, the terms "upper," "lower," "left," and "right," etc., are defined with respect to the orientation in which the components in the drawings are schematically disposed, and it should be understood that these directional terms are relative terms, which are used for descriptive and clarity with respect to each other, and which may vary accordingly with respect to the orientation in which the components in the drawings are disposed.

In embodiments of the present application, unless explicitly specified and limited otherwise, the term "coupled" is to be construed broadly, and for example, "coupled" may be either fixedly coupled, detachably coupled, or integrally formed; can be directly connected or indirectly connected through an intermediate medium.

In embodiments of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present application is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The vehicle provided by the embodiment of the application comprises a frame, wherein a vehicle decorative plate member is arranged at a required position of the frame. By way of example, the vehicle may refer to a sedan, an off-road vehicle, a sport utility vehicle (sport utility vehicle, SUV), a utility vehicle (MPV), a van, a passenger car, a bus, and the like. In the embodiment of the application, the vehicle can be referred to as an oil-driven vehicle, a new energy vehicle, an oil-electricity hybrid vehicle, a vehicle powered by a traction power supply system such as a trolley bus and the like.

The vehicle decorative plate member provided by the embodiment of the application can be arranged at any position of any vehicle, wherein the vehicle decorative plate member is required to be arranged. The arbitrary position may be a shelf above the dashboard of the vehicle, in front of the co-driver, an interior trim on the door, a armrest box, a rear armrest, a roof, etc.

Specifically, referring to fig. 1, 2 and 3, an embodiment of the present application provides a vehicle decorative board member, which includes an outer layer 1 and a substrate 2, wherein the outer layer 1 is made of a first material, and includes a first flat layer 11 and at least one first bump layer 12, the first bump layer 12 is higher than the first flat layer 11, and the first flat layer 11 and the first bump layer 12 are continuously spliced together to form the outer layer 1; the substrate 2 and the outer layer 1 are arranged opposite to each other and made of a second material, and comprise a second leveling layer 21 and at least one second protruding layer 22, wherein the second protruding layer 22 is higher than the second leveling layer 21, the second leveling layer 21 and the second protruding layer 22 are continuously spliced together to form the substrate 2, the second protruding layer 22 corresponds to the first protruding layer 12, the first protruding layer 12 protrudes towards the direction away from the substrate 2, and one side of the first protruding layer 12 facing the substrate 2 is provided with a concave part 121, and the concave part 121 is higher than the first leveling layer 11; the second protruding layer 22 protrudes toward the direction approaching the outer layer 1, and at least part of the second protruding layer 22 is fitted into the recess 121; wherein the first material is different from the second material.

The vehicle decorative plate member of the application comprises an outer layer 1 and a base plate 2, wherein the outer layer 1 is made of a first material, the base plate 2 is made of a second material, the first material and the second material are different, and the base plate 2 and the outer layer 1 are arranged opposite to each other.

The outer layer 1 comprises a first leveling layer 11 and a first protruding layer 12 which are continuously spliced together, the first protruding layer 12 protrudes towards a direction away from the substrate 2, and the thickness of the first protruding layer 12 is higher than that of the first leveling layer 11, so that the thickness of the first protruding layer 12 may be from the top surface to the bottom surface of the first leveling layer 11, the thickness of the whole outer layer 1 at the first protruding layer 12 is suddenly increased, the thickness difference between the first leveling layer 11 and the first protruding layer 12 is large, the injection molding is not facilitated, and the product quality is affected. However, in a specific structure, the first bump layer 12 has a recess 121 on a side facing the substrate 2, and the recess 121 is higher than the first flat layer 11, that is, the entire first bump layer 12 is higher than the first flat layer 11, and is recessed in a non-protruding side, so that the recess 121 is formed, and thus the actual thickness of the first bump layer 12 is not from the top surface thereof to the bottom surface of the first flat layer 11, but from the top surface thereof to the surface of the recess 121, and thus, by the arrangement of the recess 121, the thickness of the first bump layer 12 is reduced, the thickness difference between the first flat layer 11 and the first bump layer 12 is reduced, thereby facilitating injection molding and improving the product quality.

The specific principle is that when the outer layer 1 and the base plate 2 are manufactured, hot melt is injected into a corresponding mould through injection equipment, then the melt flows into a space of a preset product in the mould, is solidified after being filled, is demoulded and trimmed, and finally is perfected into the product. Under the condition that the extension area of the product is fixed, the smaller the thickness of the product is, the smaller the space of the position in the corresponding mould is, the larger the resistance of the melt in the process of flowing in the mould is, and the flow rate is smaller at the position; on the contrary, the larger the thickness of the product, the larger the space of the position in the corresponding mould, the smaller the resistance of the melt in the flowing process in the mould, and the larger the flow rate at the position, and further, for the outer layer 1 of the application, if the thickness difference between the first flattening layer 11 and the first convex layer 12 is larger, the melt can preferentially flow into the position with larger thickness in the flowing process, and the flow rate is faster, so that the melt can be fully filled in the position with larger thickness in advance, the part of the melt can overflow and flow back to the position with smaller thickness, the phenomenon of trapping gas can be generated when the part of the melt is converged with the melt with slower flow rate at the position with smaller thickness in the inside of the mould, and the melt is not fully filled at the position, and fusion lines are generated, thereby influencing the quality of the product. By arranging the concave parts 121, the thickness difference between the first leveling layer 11 and the first convex layer 12 is reduced, so that the flow speed difference of each position of the melt is reduced when the outer layer 1 is subjected to injection molding, the backflow and the intersection are not easy, the gas in the die can be accurately extruded to the edge of the die to be discharged, the problems of trapped gas, insufficient filling and welding lines are avoided, and the product quality is improved.

In addition, the substrate 2 includes a second planarization layer 21 and at least one second bump layer 22 that are continuously spliced together, the second bump layer 22 being higher than the second planarization layer 21, and the second bump layer 22 corresponding to the first bump layer 12; in order to make the structure more stable, the second protrusion layer 22 is protruded toward the direction close to the outer layer 1, and at least part of the second protrusion layer 22 is matched to extend into the concave portion 121, so that the second protrusion layer 22 can play a supporting role on the first protrusion layer 12, and meanwhile, the connection strength of the structure between the outer layer 1 and the substrate 2 can be improved through the matching of the second protrusion layer 22 and the concave portion 121. Specifically, on the one hand, at least part of the second protruding layer 22 is matched and extended into the concave portion 121, which is equivalent to that the second protruding layer 22 and the concave portion 121 are mutually embedded into each other and snapped together, so that the connection between the outer layer 1 and the substrate 2 not only comprises the bonding action of the first flat layer 11 and the second flat layer 21, but also comprises the action of the second protruding layer 22 and the concave portion 121 of the first protruding layer 12 for preventing the relative displacement of the outer layer 1 and the substrate 2 along the extending direction of the first flat layer 11; on the other hand, due to the cooperation of the second bump layer 22 and the concave portion 121, the bonding contact area is increased and the connection strength is also increased compared to a simple flat planar contact. Therefore, in summary, the vehicle trim panel member of the present application can reduce trapped air, improve product quality, and improve inter-structural strength.

In the vehicle decorative board member according to the embodiment of the present application, the outer layer 1 and the substrate 2 are made of a first material and a second material, respectively, and the first material and the second material are different, and may be exemplified by a soft adhesive layer for the outer layer 1 and a hard adhesive layer for the substrate 2. In this way, the base plate 2 can be used as a framework to support the outer layer 1 and is used for connecting and fixing other components in the vehicle; the outer layer 1 has soft texture and large friction force, and is convenient for placing articles or improving the touch feeling. For example, the outer layer 1 is a transparent material layer, and the substrate 2 is a non-transparent material layer, so that the lamp can be arranged inside the vehicle decorative board member, and the required lighting effect, such as an in-vehicle atmosphere lamp, a key indicator lamp, etc., can be displayed through the transparent material layer of the outer layer 1. The vehicle decorative plate members made of different materials can be formed by double-shot injection molding, and the wall thickness of soft rubber and hard rubber of the double-shot injection molding is smaller than that of common injection molding parts (2 mm-3.5 mm). The thickness of the outer layer 1 and the substrate 2 is, for example, below 2.5mm, or below 2.0mm.

Also, since the exterior layer 1 and the base plate 2 are molded by step molding of different materials in the vehicle decorative plate member of the embodiment of the application, that is, both the exterior layer 1 and the base plate 2 can be molded as the base fence structure at the time of molding of the other, the shape of the concave portion 121 of the first bump layer 11 of the exterior layer 1 and the shape of the second bump layer 12 of the base plate 2 are matched with each other, and bonded together at the time of molding. The bonding may be achieved by hot melt bonding between the melts.

In the vehicle trim member according to the embodiment of the application, the number of the first bump layer 12 and the second bump layer 22 is not limited, and as long as there is one first bump layer 12 and one second bump layer 22 arranged opposite to each other, the generation of trapped air can be reduced at the first bump layer 12 having the second bump layer 22 arranged inside, and the quality of the product can be improved.

Illustratively, in some embodiments, the first bump layer 12 and the second bump layer 22 are each one and disposed in mutually corresponding positions.

In other embodiments, referring to fig. 3, the first bump layer 12 and the second bump layer 22 are plural and are disposed in a one-to-one correspondence. In this way, it is ensured that the position of each first bump layer 12 can reduce the occurrence of trapped air and increase the stability of the connection between the outer layer 1 and the substrate 2. Specifically, for the outer layer 1, each position where the first protrusion layer 12 for placing the article is required is likely to generate air trapping due to uneven injection molding flow rate caused by the problem of the large thickness of the first protrusion layer 12; however, in the solution of the present application, the first bump layer 12 has the recess 121, and the recess 121 reduces the thickness of the first bump layer 12, so that the thickness of the first bump layer 12 is less different from the thickness of the first planarization layer 11, which can well reduce the occurrence of quality problems such as trapped air. Simultaneously, a plurality of first protruding layers 12 and a plurality of second protruding layers 22 set up in one-to-one correspondence for come fixed connection through multiunit first protruding layer 12 and second protruding layer 22 between skin 1 and the base plate 2, increased along the spacing effect position of first level layer 11 extending direction, also further increased the area of contact of bonding between skin 1 and the base plate 2, further improved the connection steadiness between the structure.

The uniformity of the thickness of the first planarizing layer 11 and the first protruding layer 12 of the outer layer 1 determines the flow rate of the plastic melt flowing therethrough, and in order to ensure that the flow rate does not change as much as possible, the quality problems of products such as trapped air generated by reflow are reduced, and in the embodiment of the present application, the difference between the thickness of the first planarizing layer 11 and the thickness of the first protruding layer 12 is as small as possible.

Illustratively, in some embodiments, the difference between the thickness of the first bump layer 12 and the thickness of the first planarizing layer 11 is less than 20%. Based on the condition that the thickness difference is less than 20%, a good effect of reducing trapped air can be ensured. The specific setting of the thickness difference can be measured through a plurality of actual physical production experiments, the size of a product is limited through the design of a die, and the products produced under different sizes are measured and recorded and compared in quality. Of course, analysis and verification can be performed through some software, so that resource waste is avoided, and design efficiency is improved. For example, flow analysis was performed by MOLDFLOW software (plastic injection molding simulation software) and analyzed for sink mark, trapped air, and weld line problems with the shelf panel gel. Through the continuous verification of apparent quality problems, the thickness design of each position is continuously adjusted until the requirements are met. The embodiment of the application can ensure better effect of reducing trapped air under the condition that the thickness difference is smaller than 20 percent, and is obtained through multiple experiments and software simulation.

When the thickness difference of the first bump layer 11 is large, a local uneven phenomenon may be generated, and a problem that the product quality is affected by trapped air may be generated, in order to avoid the above problem, the thickness of the whole first bump layer 11 may be as uniform as possible, and in some embodiments, the difference between the thickest and thinnest portions of the thickness of the first bump layer 12 is less than 20%. And the method is also characterized in that the method can ensure better effect of reducing trapped air under the condition that the thickness difference is smaller than 20% by multiple experiments and software simulation. The thickness design of each position is continuously adjusted by performing flow analysis through MOLDFLOW software, and the thickness of H1, H2 and H3 in FIG. 3 can be referred to, so that the three thicknesses are uniformly adjusted until the requirements are met.

To avoid shrinkage at the second bump layer 22 during injection molding of the substrate 2, referring to fig. 4, in some embodiments, the width of the bottom end of the second bump layer 22 is smaller than the thickness of the second planarizing layer 21. The circle drawn under the second bump layer 22 in fig. 4 is a reference pattern, and is not a solid structure, and the diameter of the circle is the thickness of the substrate 2, and it is apparent that the width of the second bump layer 22 (see W in fig. 4) is much smaller than the diameter of the circle. The second bump layer 22 having a smaller width can reduce or avoid shrinkage at this point when formed. At the same time, the second bump layer 22 increases the area of contact with the mold when the substrate 2 is molded to some extent, and thus can also reduce or avoid shrinkage at that location. In addition, even if slight shrinkage occurs there, the shrinkage can be filled with a cover without affecting the product appearance because the first bump layer 12 of the overmolded outer layer 1 is also provided on the second bump layer 22.

The specific shape and configuration of the first bump layer 12 and the second bump layer 22 may take a variety of forms, for example, all in a lattice arrangement, or all in the form of bar bumps, or in the form of specific drawn patterns, embossments, and the like.

From the perspective of the longitudinal cross-sections of the first and second bump layers 12, 22, in some embodiments, the longitudinal cross-sections of the first and second bump layers 12, 22 may be "zig-zag" shaped structures.

Further, in some embodiments, the longitudinal structure of the first and second bump layers 12, 22 is a tapered structure that is large at the bottom.

For the related modeling or convenient installation, special structures may be arranged on the base plate 2, and the structures may be arranged on the outer edge of the whole vehicle decorative plate member, that is, the soft rubber of the outer layer 1 may not be arranged at certain positions of the whole structure, so that when the outer layer 1 is molded, the outer layer 1 may be molded from one side only, thus the molded width of the outer layer 1 is larger, and the soft rubber is not beneficial to the molded flow. For example, referring to fig. 5, a mounting structure 22 with a flange is disposed on the substrate 2, holes in the mounting structure 22 need to be disposed on a mold for side core pulling, and no hot runner structure is disposed in space. Therefore, the parting surface of the hard resin of the base plate 2 and the parting surface of the soft resin of the outer layer 1 are not located at the same position, and the soft resin front end of the outer layer 1 of the entire vehicle trim member cannot be provided with a gate.

In order to solve the above-mentioned problem, referring to fig. 5, in some embodiments of the present application, the substrate 2 further includes a mounting structure 23 located at an edge, the mounting structure 23 is spliced with the second flat layer 21 to form a whole, and has a portion higher than the second flat layer 21, a portion of the mounting structure 23 higher than the second flat layer 21 is surrounded on at least a portion of the outer edge of the outer layer 1, the mounting structure 23 is provided with an injection hole 24 disposed along the extending direction of the second flat layer 21, one end of the injection hole 24 extends into the outer layer 1, and the other end penetrates the mounting structure 23. Through the injection hole 24 that corresponds outer 1 at mounting structure 23 and set up, can make outer 1 pass through injection hole 24 injection molding melt plastics in the side that mounting structure 23 blockked, the injection molding of outer 1 of being convenient for. After the outer layer 1 is formed, the injection hole 24 is filled with the first material corresponding to the outer layer 1, and can be integrated with the substrate 2, so that the surface quality is good, and the connection relationship between the outer layer 1 and the substrate 2 is increased, so that the connection is firmer.

The number of injection molding holes 24 may be set according to actual needs, and in some embodiments, the injection molding holes 24 are one;

referring to fig. 5, in other embodiments, the injection holes 24 are plural, and the plural injection holes 24 are uniformly spaced along the extending direction of the mounting structure 23.

Referring to fig. 5, for example, 7 injection holes 24 are formed in the table structure, and the tail ends of the injection holes 24 are connected with the soft rubber of the outer layer 1, so that seven gates are arranged at the beginning ends of the injection holes 24 and can be used for injecting the soft rubber part of the outer layer 1 from the injection holes 24.

In some embodiments, injection molding aperture 24 is a straight, bar-shaped aperture that ensures melt flow.

Referring to fig. 1 and 6, in some embodiments, the vehicle decorative plate member further includes an adapting hole 3 disposed in the middle, the adapting hole 3 penetrates the outer layer 1 and the base plate 2 along a direction perpendicular to the base plate 2, and referring to fig. 6, the outer layer 1 is divided into a first casting layer 13 and a second casting layer 14 by using the adapting hole 3 as a boundary, an injection molding area of the first casting layer 13 along an extending direction thereof is larger than an injection molding area of the second casting layer 14 along an extending direction thereof, and a thickness of the first casting layer 13 is larger than a thickness of the second casting layer 14.

It should be noted that the fitting hole 3 provided in the middle of the vehicle trim member may take various forms for some modeling or structural functions. The fitting hole 3 may be, for example, a mounting hole for mounting an atmosphere lamp. When these adapter holes 3 isolate the outer layer 1 into a first runner 13 and a second runner 14, if the distances of the first runner 13 and the second runner 14 relative to their corresponding gates are not uniform, and thus the time required for the melt to flow to the adapter holes 3 is different, if the melt flows through the adapter holes 3 too early, the melt continues to flow around the adapter holes 3 for one week, and merges with the melt at the other end, a longer weld mark is formed at the junction. If the melt flow is slow, possibly not yet to the adapter hole 3, a stagnation line may be formed due to flow rate problems.

In the embodiment of the vehicle trim panel member of the present application, since the injection molding area of the first casting layer 13 is larger than the injection molding area of the second casting layer 14, that is, if the thicknesses of the first casting layer 13 and the second casting layer 14 are uniform, the time for the melt to flow through the first casting layer 13 may be longer than the second casting layer 14, and weld marks and stagnation lines may be generated. The thickness of the first casting layer 13 is thus set to be greater than the thickness of the second casting layer 14, so that the melt flow resistance of the first casting layer 13 with a greater thickness is smaller than the melt flow resistance of the first casting layer 13 with a smaller thickness, that is to say, in comparison, the melt flow rate of the first casting layer 13 with a greater thickness is greater than the melt flow rate of the first casting layer 13 with a smaller thickness, so that the first casting layer 13 and the second casting layer 14 can be refluxed to the adapter hole 3 at the same time.

In some embodiments, the thickness of the second casting layer 14 may be gradually reduced or may be directly lower than the thickness of the first casting layer 13. The gradual decrease includes linear continuous thickness decrease and stepped thickness decrease, and further, in the stepped thickness decrease scheme, the same-scale decrease may be adopted.

The thickness setting of the first casting layer 13 and the second casting layer 14, or the setting scheme in which the thickness of the second casting layer 14 gradually decreases, may be implemented by software simulation analysis.

The principle of adjusting the flow rate of the melt through the thickness is the same, and the small holes increase the flow resistance of the fluid as the principle of the shower in daily life. When the melt is injected into the mould, the space in the mould is communicated, the flow resistance of the position with small space to the melt is large, the flow speed is full, the flow resistance of the position with large space to the melt is small, the flow speed is fast, and the melt can flow to the position with large space preferentially. For the vehicle decorative plate component provided by the embodiment of the application, the larger the thickness of the product is, the larger the space of the mold is, so that the flow resistance of melt is small when the melt is injected at the position, the flow speed is high, and the melt is easy to fill and overflow at first to generate reflux; the smaller the thickness of the product, the smaller the space of the mould at the position, so that the flow resistance of the melt at the position of injection molding is high, the slow flow speed can lead the melt with the fast flow speed to flow into the position, and the confluence and the trapping of air are generated. Therefore, in the vehicle decorative plate member according to the embodiment of the application, the optimal design of thickness uniformity is performed for the position where the backflow, the confluence and the trapped air are liable to occur.

The embodiment of the application also provides a vehicle, comprising the vehicle decorative plate member in the embodiment and the vehicle decorative plate member in the embodiment, wherein the vehicle decorative plate member is arranged on the vehicle frame.

The vehicle according to the embodiment of the application has the same beneficial effects that the trapped air can be reduced, the product quality can be improved, and the strength between structures can be improved due to the inclusion of the vehicle decorative plate member in the embodiment.

The present application also provides a manufacturing method for manufacturing the vehicle trim panel member of the above embodiment, including the steps of:

firstly, one of the outer layer 1 and the base plate 2 is formed by injection molding, and then the other is formed by injection molding on the manufactured one to form a vehicle decorative plate member;

wherein the outer layer 1 is made of a first material and comprises a first flat layer 11 and a first convex layer 12 which are continuously spliced together; the substrate 2 is made of a second material and comprises a second flat layer 21 and a second convex layer 22 which are continuously spliced together, and the first convex layer 12 corresponds to the second convex layer 22; the first material is different from the second material.

According to the manufacturing method of the embodiment of the application, one of the outer layer 1 and the base plate 2 is firstly formed by injection molding, and then the other is formed by injection molding on the manufactured one, so that the manufactured vehicle decorative plate member is the vehicle decorative plate member of the embodiment, and therefore, the trapped air can be reduced, the product quality can be improved, and the strength between structures can be improved.

According to the manufacturing method of the embodiment of the application, the sequential injection molding sequence of the outer layer 1 and the substrate 2 can be determined according to actual needs, and for example, in order to ensure that the bonding effect of the outer side 1 and the substrate 2 is good, one with higher temperature can be injected firstly, and then the other with lower temperature can be injected, so that after the injection molding is finished, the one with higher temperature is reduced slowly, and the fluidity and the bonding property of the melt with lower temperature can be ensured not to be influenced when the other with lower temperature is injected.

Specifically, in some embodiments, the first material is a transparent material, the second material is a non-transparent material, the transparent material may be injection molded first to form the outer layer 1, then the non-transparent material is injection molded on the basis of the outer layer 1 to form the substrate 2, and finally the vehicle decorative board member according to the embodiment of the present application is formed by demolding. In other embodiments, the first material is a soft rubber material, the second material is a hard rubber material, the hard rubber material may be injection molded first to form the substrate 2, then the soft rubber material is injection molded on the basis of the substrate 2 to form the outer layer 1, and finally the outer layer is demolded to form the vehicle decorative board member according to the embodiment of the application.

Since the hardness of the second material based on the substrate 2 is greater than the hardness of the first material of the outer layer 1, the substrate 2 may be manufactured first, and then the outer layer 1 may be directly molded on the substrate 2 with the substrate 2 as a skeleton. Specifically, referring to fig. 7, the method includes the following steps:

s1: firstly, forming a substrate 2 by injection molding of a second material, wherein the substrate 2 comprises a second flat layer 21 and a second convex layer 22 which are continuously spliced together;

s2: and then, the outer layer 1 is formed on the substrate 2 by injection molding of a first material, so as to connect the outer layer 1 with the substrate 2, wherein the outer layer 1 comprises a first flattening layer 11 and a first protruding layer 12 which are continuously spliced together, and the first protruding layer 11 corresponds to the second protruding layer 22.

The injection molding can reduce the process flow, improve the production efficiency and realize the double-shot injection molding of the vehicle decorative plate component.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. A vehicle trim panel member, comprising:

the outer layer is made of a first material and comprises a first leveling layer and at least one first protruding layer, wherein the first protruding layer is higher than the first leveling layer, and the first leveling layer and the first protruding layer are continuously spliced together to form the outer layer;

the substrate is arranged opposite to the outer layer and made of a second material, and comprises a second leveling layer and at least one second protruding layer, wherein the second protruding layer is higher than the second leveling layer, the second leveling layer and the second protruding layer are continuously spliced together to form the substrate, the second protruding layer corresponds to the first protruding layer, the first protruding layer protrudes towards the direction away from the substrate, and a concave part is formed on one side of the first protruding layer, facing towards the substrate, and is higher than the first leveling layer; the second protruding layer protrudes towards the direction close to the outer layer, and at least part of the second protruding layer is matched and extends into the concave part;

wherein the first material is different from the second material.

2. The vehicle trim panel member of claim 1, wherein the first and second raised layers are each a plurality of and are disposed in a one-to-one correspondence.

3. The vehicle trim panel member of claim 1, wherein a thickness of the first raised layer differs from a thickness of the first flat layer by less than 20%.

4. The vehicle trim panel member of claim 1, wherein a width of a bottom end of the second raised layer is less than a thickness of the second flat layer.

5. The vehicle trim panel member of any of claims 1-4, wherein the base plate further comprises a mounting structure at an edge, the mounting structure being integral with the second planar layer and having a portion higher than the second planar layer, the mounting structure being located around at least a portion of an outer edge of the outer layer at a portion higher than the second planar layer, the mounting structure being provided with an injection hole provided along an extension direction of the second planar layer, one end of the injection hole extending into the outer layer, and the other end penetrating the mounting structure.

6. The vehicle trim panel member of claim 5, wherein the injection holes are a plurality of and are evenly spaced apart along the direction of extension of the mounting structure.

7. The vehicle trim panel member of any of claims 1-4, further comprising an adapter hole disposed in a middle portion, the adapter hole extending through the outer layer and the base plate in a direction perpendicular to the base plate, the outer layer bounded by the adapter hole and divided into a first and a second layer, the first layer having an injection molding area along its direction of extension that is greater than an injection molding area of the second layer along its direction of extension, the first layer having a thickness that is greater than or equal to a thickness of the second layer.

8. A vehicle, characterized by comprising:

a frame;

the vehicle trim panel member of any of claims 1-7 disposed on the frame.

9. A manufacturing method for manufacturing the vehicle trim panel member according to any one of claims 1 to 7, characterized by comprising:

firstly, one of the outer layer and the base plate is formed by injection molding, and then the other is formed by injection molding on the manufactured one to form the vehicle decorative plate component;

10. The method of manufacturing according to claim 9, wherein,

firstly, the substrate is formed by injection molding of the second material, wherein the substrate comprises a second leveling layer and a second protruding layer which are continuously spliced together;

and then the outer layer is formed on the substrate by injection molding of the first material so as to connect the outer layer with the substrate, wherein the outer layer comprises a first flattening layer and a first protruding layer which are continuously spliced together, and the first protruding layer corresponds to the second protruding layer.