Light-emitting decorative strip of vehicle and injection mold for producing decorative strip

Abstract

The utility model relates to a light-emitting decorative strip for a vehicle and an injection mold for producing the decorative strip. The light-emitting decorative strip comprises a base plate and a decorative plate, a groove body is formed in the base plate, a thermosetting double-faced adhesive tape is arranged on the base plate corresponding to the position of the groove body, the decorative plate is pasted on the base plate through the thermosetting double-faced adhesive tape, and the decorative plate, the base plate and the decorative plate are pressed together through an extrusion roller. According to the vehicle light-emitting decorative strip and the injection mold for producing the decorative strip, the base plate is slotted, the decorative plate is pasted through the thermosetting double-faced adhesive tape, and then the base plate and the decorative plate are pressed and molded into a whole through the extrusion roller, so that the decorative plate is clamped in the slot of the base plate and is tightly pasted on the thermosetting double-faced adhesive tape; the integrally combined workpieces are placed in the forming groove which is formed in the inner cavity of the upper mold and corresponds to the substrate in shape, the gum is injected through the injection molding head on the upper mold so that the gum can be tightly combined with the thermosetting double-faced adhesive tape on the back face of the substrate, the binding force of the gum and the substrate is enhanced, and therefore the product production quality and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts production, specifically to a vehicle light-emitting decorative strip and an injection mold for producing the decorative strip. BACKGROUND

[0002] The vehicle light-emitting decorative strip is a decorative automobile accessory, usually used to enhance the fashion and individuality of the vehicle appearance. They can be installed on different parts of the vehicle body, such as the doors, engine covers, and rear ends, to attract people's attention and increase the recognition of the vehicle. In the production of vehicle light-emitting decorative strips, the IMD injection molding of stainless steel light-emitting decorative strips has the advantages of smooth appearance, bright light-emitting, high strength, and good waterproof and dustproof performance. The IMD injection molding technology is to place the printed and formed decorative plate into the injection mold, and then inject glue onto the back of the formed sheet, so that the glue and the sheet are integrated and solidified into a whole.

[0003] The traditional IMD injection has the problem of weak bonding force between the substrate and the plastic, which can easily reduce production efficiency, affect product quality, and increase production cost. Therefore, we need to design a vehicle light-emitting decorative strip and an injection mold for producing the decorative strip to solve the above problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a vehicle light-emitting decorative strip and an injection mold for producing the decorative strip, which has the advantages of increasing the forming bonding force between the substrate and the plastic, and solving the problem of low product quality and production efficiency caused by weak bonding force between the substrate and the plastic.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a vehicle light-emitting decorative strip, comprising a substrate and a decorative plate;

[0006] A groove is formed on the substrate, and a heat-set double-sided adhesive tape is arranged at the position corresponding to the groove. The decorative plate is pasted on the substrate by the heat-set double-sided adhesive tape, and the three are further compressed by an extrusion roller.

[0007] Further, the heat-set double-sided adhesive tape is a polyimide high-temperature adhesive tape.

[0008] Further, a plurality of protrusions are formed on the substrate.

[0009] Further, the protrusions are inverted A-shaped structures.

[0010] Further, the protrusions are a plurality of inverted A-shaped structures, and the plurality of protrusions are arranged in a ring shape along the side edges of the substrate.

[0011] Further, a plurality of decorative strips are arranged on the substrate in a transverse direction.

[0012] Further, the substrate is made of stainless steel material.

[0013] On this basis, the utility model still provides a kind of injection mold, it is used to produce the vehicle luminous trim strip described in any one of the above;

[0014] It includes upper die and lower die, and the upper die and lower die are connected by hydraulic rod to realize the opening and closing between the upper die and lower die;

[0015] The upper die inner cavity is provided with a forming groove matched with the shape and size of the substrate, and an injection head corresponding to the forming groove is arranged in the upper die.

[0016] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0017] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0018] The vehicle luminous trim strip and the injection mold for producing the trim strip are provided with the following advantages: the substrate is slotted, and the decorative plate is pasted with the thermosetting double-sided adhesive, then the workpiece is placed in the forming groove corresponding to the shape of the substrate in the inner cavity of the upper die, and the injection head of the upper die injects the glue to make the glue and the thermosetting double-sided adhesive on the back of the substrate tightly combined, thereby enhancing the bonding force between the glue and the substrate, and improving the quality and efficiency of product production. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the substrate structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the substrate structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the substrate cross section structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the workpiece structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the injection mold structure of the utility model;

[0024] In the figure: 1, substrate; 2, decorative plate; 3, thermosetting double-sided adhesive; 4, protrusion; 5, decorative strip; 6, upper die; 7, lower die. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figures 1-5 The vehicle light-emitting decorative strip of the present application is integrally formed by the base plate 1 and the decorative plate 2 through the hot-set double-sided adhesive 3, so that the plastic and the base plate 1 are tightly combined during injection molding.

[0027] Specifically, the vehicle light-emitting decorative strip in the embodiment comprises a base plate 1 and a decorative plate 2.

[0028] A groove is formed on the base plate 1, and a hot-set double-sided adhesive 3 is arranged on the base plate 1 at a position corresponding to the groove. The decorative plate 2 is adhered to the base plate 1 through the hot-set double-sided adhesive 3, and the three are further pressed together by an extrusion roller.

[0029] In the embodiment, the hot-set double-sided adhesive 3 is arranged on the base plate 1, the decorative plate 2 is adhered to the base plate 1 and clamped in the groove formed in the middle part, and the three are pressed together by the extrusion roller after being adhered, so as to increase the bonding stability between the base plate 1 and the decorative plate 2. Meanwhile, the hot-set double-sided adhesive 3 behind the base plate 1 facilitates the bonding force with the plastic during injection molding.

[0030] Further preferably, the hot-set double-sided adhesive 3 in the preferred embodiment of the present application adopts a polyimide high-temperature adhesive tape to improve the adhesion between the decorative plate 2 and the base plate 1.

[0031] Furthermore, in order to facilitate the subsequent assembly of the vehicle light-emitting decorative strip, a plurality of protrusions 4 are formed on the base plate 1, so that the base plate 1 and the entire light-emitting decorative strip can be assembled onto the shell housing through the plurality of protrusions 4 on the base plate 1 after the operation. Meanwhile, the protrusion 4 is preferably in an inverted A-shaped structure, which can prevent the base plate 1 from being detached after being assembled onto the shell housing, so as to improve the stability of the base plate 1 after being assembled onto the shell housing.

[0032] In a specific embodiment, as shown in Figure 4 The plurality of protrusions 4 are arranged along the side edge of the base plate 1 in a ring shape and at intervals, so as to increase the connection points between the base plate 1 and the shell housing through the plurality of protrusions 4, and further improve the stability after assembly.

[0033] In actual use, as shown in Figure 4As shown in the middle, a plurality of decorative strips 5 are arranged on the substrate 1, preferably the decorative strips 5 are linear structures arranged obliquely.

[0034] On this basis, referring to Figure 5 The utility model also provides a injection mold for producing the vehicle light decorative strip in the above embodiment, which comprises an upper mold 6 and a lower mold 7, and the upper mold 6 and the lower mold 7 are connected through a hydraulic rod to realize the opening and closing of the upper mold 6 and the lower mold 7.

[0035] The inner cavity of the upper mold 6 is provided with a forming groove matching the shape and size of the substrate 1, and an injection head corresponding to the forming groove is arranged in the upper mold 6.

[0036] In the embodiment, the forming groove is arranged in the upper mold 6 and the substrate 1 is clamped, so that the injection head injects the rubber and the rubber is tightly combined with the heat-resistant double-sided adhesive tape 3 on the back of the substrate 1, thereby improving the quality and efficiency of product production.

[0037] The working principle of the above embodiment is as follows:

[0038] The substrate 1 is slotted and the decorative plate 2 is pasted through the heat-resistant double-sided adhesive tape 3, and then the extrusion roller is pressed to form an integral body, so that the decorative plate 2 is clamped in the slot of the substrate 1 and tightly pasted on the heat-resistant double-sided adhesive tape 3, thereby tightly combining the substrate 1 and the decorative plate 2 into an integral body, the workpiece combined into an integral body is placed in the forming groove corresponding to the shape of the substrate 1 in the inner cavity of the upper mold 6, the injection head on the upper mold 6 injects the rubber to tightly combine the rubber with the heat-resistant double-sided adhesive tape 3 on the back of the substrate 1, thereby enhancing the bonding force between the rubber and the substrate 1, and improving the quality and efficiency of product production.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vehicle lighted trim strip, characterized by: The base plate (1) and the decorative plate (2) are provided. A groove is formed on the base plate (1), and a heat-set double-sided adhesive tape (3) is arranged on the base plate (1) at a position corresponding to the groove, the decorative plate (2) is adhered to the base plate (1) by the heat-set double-sided adhesive tape (3), and the three are further pressed together by an extrusion roller.

2. A vehicle lighted trim strip as in claim 1 wherein: The heat-set double-sided adhesive tape (3) is a polyimide high-temperature adhesive tape.

3. A vehicle lighted trim strip as set forth in claim 1 wherein: A plurality of protrusions (4) are formed on the base plate (1).

4. A vehicle lighted trim strip as set forth in claim 3 wherein: The protrusions (4) are inverted A-shaped structures.

5. A vehicle lighted trim strip as set forth in claim 3 wherein: The protrusions (4) are arranged in a ring shape along the side edges of the base plate (1).

6. A vehicle lighted trim strip as set forth in claim 1 wherein: A plurality of decorative strips (5) are arranged on the base plate (1) in a transverse direction.

7. The illuminated trim strip for a vehicle of claim 1, wherein: The base plate (1) is made of stainless steel.

8. An injection mold characterized by: It is used for producing the vehicle light decorative strip as claimed in any one of claims 1-7. It comprises an upper mold (6) and a lower mold (7), and the upper mold (6) and the lower mold (7) are connected by a hydraulic rod to realize the opening and closing of the upper mold (6) and the lower mold (7). A forming groove matching the shape and size of the base plate (1) is formed in the inner cavity of the upper mold (6), and an injection head corresponding to the forming groove is arranged in the upper mold (6).

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