Vehicle logo and manufacturing method

Abstract

The invention relates to the technical field of vehicle logo manufacturing, and particularly discloses a vehicle logo and a manufacturing method thereof, and the manufacturing method comprises the following steps: manufacturing a vehicle logo body by adopting a high-glossiness alloy; carrying out sand blasting treatment on the vehicle marker body to obtain a uniform matte surface with a preset roughness value; finish machining is conducted on the vehicle marker body with the uniform matte surface and the preset roughness value, a groove in the back face of the vehicle marker body is obtained, and the machining error is controlled to be within the preset error range; the grooves in the back faces of the car marker bodies are obtained, the car marker bodies with the machining errors controlled to be within the error preset range are subjected to oxidation treatment, oxidation films with the preset thickness are obtained, and the car marker bodies with the oxidation films with the preset density are obtained through soaking treatment; and performing electrophoretic coating treatment on the obtained oxide film vehicle marker body with the preset thickness to obtain a transparent protective layer with the preset thickness. By means of the method, the car logo high in corrosion resistance and good in glossiness can be manufactured, the manufactured car logo is high in assembling precision, and the manufacturing method is environmentally friendly.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle logo production, in particular to a vehicle logo and a production method thereof. Background Art

[0002] Traditional car logo production usually adopts casting, stamping or injection molding processes, supplemented by surface oxidation, spraying or electroplating treatment, but there are problems such as low degree of penetration, which is not conducive to cost control of the whole vehicle, poor appearance, and environmental pollution.

[0003] The existing relevant product logos have the following problems:

[0004] 1. The appearance of signs made by traditional technology is average, not suitable for the product positioning of some mid-to-high-priced vehicles, and has a low degree of universality.

[0005] 2. Uneven surface treatment causes inconsistent thickness of the oxide film, affecting corrosion resistance and glossiness.

[0006] 3. Lack of efficient positioning means leads to fitting deviation, poor assembly accuracy, and affects the yield of finished products.

[0007] 4. The electroplating process carries the risk of heavy metal pollution, is not in line with the trend of green manufacturing, and is not environmentally friendly enough. Summary of the Invention

[0008] The object of the present invention is to provide a method for producing a vehicle logo, which can produce a vehicle logo with high corrosion resistance and good glossiness, and the produced vehicle logo has high assembly precision and is environmentally friendly.

[0009] The purpose of the present invention can be achieved through the following technical solutions:

[0010] A method for making a car logo comprises the following steps:

[0011] The logo body is made of high-gloss alloy;

[0012] The car logo body is sandblasted to obtain a uniform matte surface with a preset roughness value;

[0013] Finish-machining the vehicle logo body with a uniform matte surface of a preset roughness value to obtain a groove on the back of the vehicle logo body, and controlling the machining error within the preset error range;

[0014] The vehicle logo body having the groove on the back thereof and the processing error being controlled within a preset error range is subjected to oxidation treatment to obtain an oxide film of a preset thickness, and then the vehicle logo body is subjected to an immersion treatment to obtain an oxide film of a preset density;

[0015] Performing electrophoretic coating on the oxide film vehicle logo body with a preset thickness to obtain a transparent protective layer with a preset thickness;

[0016] The transparent protective layer having a preset thickness is subjected to arc pressing and forming to obtain an arc-shaped vehicle logo body having a preset curvature radius;

[0017] The arc-shaped vehicle logo body with a preset curvature radius is assembled with a prefabricated tape layer, a positioning cardboard and a release paper to obtain a combined vehicle logo for installation on the front bumper of a vehicle body.

[0018] In a further solution, the method of making the vehicle logo body using a high-gloss alloy includes forming a vehicle logo body blank contour of a preset shape by cutting a plate, and the blank contour reserves a processing allowance of 0.3 mm.

[0019] In a further solution, the preset roughness value is roughness Ra1.6-2.0μm; the preset error range is ±0.05mm, the preset thickness of the oxide film is 10-12μm; the preset thickness of the transparent protective layer is 8-10μm; and the preset curvature radius of the arc-shaped car logo body is 200-500mm.

[0020] In a further scheme, the method of assembling the arc-shaped car logo body with a preset curvature radius with the prefabricated tape layer, positioning cardboard and release paper to obtain a combined car logo for installation on the front bumper of the vehicle body includes: sticking the release paper to the back of the car logo body, aligning the tape layer and the car logo body through the positioning cardboard, pressing with a pressure of 0.4-0.6MPa, and maintaining the pressure for more than 10s to form a combined car logo.

[0021] In a further embodiment, the prefabricated tape layer is a double-sided pressure-sensitive tape; the prefabricated release paper includes a first coating layer, a base paper layer, a second coating layer and a silicone oil layer arranged in sequence above and below, the silicone oil layer is used to directly contact the double-sided pressure-sensitive tape, the first coating layer and the second coating layer are used to isolate the base paper layer to prevent the base paper layer from adhering to the tape layer, and the base paper layer is used to provide support for the first coating layer, the second coating layer and the silicone oil layer.

[0022] In a further embodiment, the combined vehicle emblem for installation on the front bumper of the vehicle body is positioned and installed on the front bumper of the vehicle body by using a prefabricated installation auxiliary tool. The method of positioning and installing using the prefabricated installation auxiliary tool includes:

[0023] The upper and lower parts of the prefabricated installation aid are fitted to the front bumper of the vehicle body to limit the lateral displacement of the prefabricated installation aid along the vehicle body;

[0024] The positioning column set in the middle of the prefabricated installation auxiliary tool cooperates with the body grille shape to limit the vertical displacement of the prefabricated installation auxiliary tool along the vehicle body;

[0025] Tear off the release paper from the combined car logo, place the combined car logo in the preset accommodation area of ​​the prefabricated installation aid, set positioning columns in the accommodation area, and match the positioning columns with the positioning grooves set on the positioning cardboard. Then press the car logo so that the adhesive backing fits tightly with the shape of the front grille of the car body.

[0026] In a further embodiment, the method further includes attaching a high-temperature resistant and anti-scratch film to the front of the combined vehicle logo and the vehicle logo body; the material of the high-temperature resistant and anti-scratch film includes a PET protective film.

[0027] A vehicle logo, produced by any of the above-mentioned vehicle logo production methods, includes a vehicle logo body, a tape layer, a positioning cardboard, and a release paper arranged in sequence, the tape layer being adhered to the side of the vehicle logo body close to the release paper, the positioning cardboard being provided with a hollowing out that matches the contour of the vehicle logo body, the vehicle logo body being stuck in the hollowing out, and the release paper being tightly connected to the side of the positioning cardboard away from the vehicle logo body.

[0028] In a further solution, the surface of the car logo body away from the release paper is adhered with a high-temperature resistant and scratch-resistant film; the assembly tolerance between the hollowing of the positioning cardboard and the outer contour of the car logo body is ±0.1mm.

[0029] In a further solution, a positioning groove is provided at the bottom of the positioning paperboard.

[0030] Beneficial effects of the present invention:

[0031] The overall method of the present invention has reasonable step settings. All steps are combined to reduce 30% of process transfer time, thereby improving the appearance of the vehicle logo. The vehicle logo body treated with composite oxidation-electrophoresis can also withstand salt spray test for more than 480 hours, and the adhesion reaches ASTM5B grade, and its corrosion resistance is significantly improved. Positioning by positioning cardboard can not only protect the vehicle logo body from loss during transportation, but also make the assembly position deviation of the vehicle logo body ≤0.1mm, which is better than the industry standard of 0.3mm, thereby improving assembly accuracy. The electrophoresis process can also reduce VOC emissions by 60%, complying with RoHS standards.

[0032] The present invention uses high-gloss alloys such as mirror aluminum, which is more conducive to presenting the exterior effect and is easier to process and adapt to the front grille shapes of vehicles with different curvatures, and has a high degree of universality;

[0033] The present invention adopts the adhesive tape layer, the positioning cardboard and the centrifugal paper to realize the high-precision assembly of the vehicle logo body, which makes the installation easy and reduces the manual adjustment cost, and improves the installation accuracy by using the prefabricated installation auxiliary tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 This is a schematic diagram of the structural decomposition of a vehicle logo provided by this application;

[0036] Figure 2 This is an installation diagram of the combined vehicle logo and the front bumper of the vehicle body in this embodiment;

[0037] In the figure: 1. High-temperature resistant and anti-scratch film; 2. Vehicle logo body; 3. Tape layer; 4. Positioning cardboard; 41. Positioning groove; 42. Hollowing; 5. Release paper; 6. Prefabricated installation aids; 7. Vehicle front bumper; 8. Combined vehicle logo. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0039] A method for making a car logo comprises the following steps:

[0040] S1: The vehicle logo body 2 is made of a high-gloss alloy; the high-gloss alloy can improve the texture of the vehicle logo body 2 and facilitate subsequent processing.

[0041] S2: sandblasting the vehicle logo body 2 to obtain a uniform matte surface with a preset roughness value;

[0042] S3: Finish-machining the vehicle logo body 2 with a uniform matte surface having a preset roughness value to obtain a groove on the back of the vehicle logo body 2, and controlling the machining error within a preset error range;

[0043] S4: performing oxidation treatment on the vehicle logo body 2 with the groove on the back side thereof and controlling the processing error within a preset error range to obtain an oxide film of a preset thickness, and then performing immersion treatment to obtain a vehicle logo body 2 with an oxide film of a preset density;

[0044] S5: Electrophoretic coating is applied to the oxide film of the vehicle logo body 2, which has a predetermined thickness, to form a transparent protective layer of predetermined thickness. The purpose of steps S2-S5 is to further improve the corrosion resistance and appearance consistency of the vehicle logo body 2. Replacing traditional electroplating with environmentally friendly electrophoretic coating can reduce pollution and enhance the adhesion of the transparent protective layer.

[0045] S6: The transparent protective layer with a preset thickness is subjected to arc forming to obtain a curved car logo body 2 with a preset curvature radius; the use of a thinner high-gloss alloy is more conducive to presenting the external effect, and the use of a curved car logo body 2 with a preset curvature radius is more conducive to adapting to the front bumper shapes of the car body with different curvatures, and can absorb the error of the front bumper shape of the car body within the range of less than 0.5mm, thereby improving the adaptability of the car logo body 2.

[0046] S7: Assemble the curved logo body 2, which has a preset radius of curvature, with the prefabricated adhesive tape layer 3, positioning cardboard 4, and release paper 5 to obtain a combined logo 8 for mounting on the front bumper 7 of the vehicle. The release paper 5 is a composite layer of adhesive-backed whiteboard paper, pre-cut to the logo's outline for positioning the adhesive tape layer 3. The positioning cardboard 4, adhesive tape layer 3, release paper 5, and logo body 2 are assembled together with high precision, reducing manual adjustment costs. This entire process saves time in traditional processes and significantly improves product yield.

[0047] In some embodiments, a protective film is pasted on the vehicle logo body 2 after each step and is torn off before processing the vehicle logo body 2 in the next step. This can protect it from damage before processing and improve the yield rate.

[0048] In some embodiments, the method of making the vehicle logo body 2 using a high-gloss alloy includes forming a blank profile of the vehicle logo body 2 of a preset shape by cutting a plate, and the blank profile reserves a processing allowance of 0.3 mm.

[0049] In some implementations, the preset roughness value is a roughness of Ra1.6-2.0μm. The specific sandblasting method to achieve this roughness value can be to use 120-mesh aluminum oxide sand, an air pressure of 0.6MPa, and a spray distance of 100mm to form a uniform matte surface. The preset error range is ±0.05mm, which can be obtained by fine milling the contour and back groove of a five-axis machine tool, controlling the spindle speed to 12000rpm and the feed rate to 800mm / min. The specific oxidation treatment method can be anodization: sulfuric acid electrolyte (concentration 180g / L), voltage 15V, time 30min, to generate a 10-12μm oxide film, and sealing treatment: boiling water immersion for 20min to improve the density of the film layer. The preset density here can be judged manually, that is, through experience to judge whether the glossiness is good and meets the standards, or it can be judged by a machine, setting a suitable glossiness threshold, and it is qualified if it exceeds the threshold; the preset thickness of the transparent protective layer is 8-10μm, and the specific electrophoretic coating method can be: using epoxy resin electrophoretic paint, voltage 80V, time 2min, to form an 8-10μm transparent coating, and curing at 160℃ for 30min; the preset curvature radius of the arc-shaped car logo body 2 is 200-500mm, and the specific arc pressing forming method can be preheating the mold to 80℃, and pressing the car logo with a hydraulic press at a pressure of 5MPa to form the above-mentioned preset curvature radius.

[0050] In some embodiments, the release paper 5 is attached to the back of the vehicle logo body 2, and the tape layer 3 and the vehicle logo body 2 are aligned by the positioning cardboard 4, with a pressing pressure of 0.4-0.6 MPa and the pressure maintained for more than 10 seconds to form a combined vehicle logo 8.

[0051] In some embodiments, the prefabricated tape layer 3 is a double-sided pressure-sensitive tape with an optional thickness of 0.5-0.8 mm and a temperature resistance range of -40°C-120°C. Those skilled in the art should be able to think of other suitable tape layers 3, as long as they can meet the requirements of high-viscosity adhesive backing, which is used to fix the car logo and the car body and can provide a reliable fixing effect. The adhesive backing whiteboard paper composite layer can be selected from 1 to 2 mm or above according to the thickness of the sign product. It can be pre-cut into the outline of the car logo for tape positioning and pre-cut into a shape matching the car body installation area with a positioning groove 41 to ensure the accuracy of the installation position; the prefabricated release paper 5 includes a first coating layer, a base paper layer, a second coating layer and a silicone oil layer arranged in sequence. The silicone oil layer is used to directly contact the double-sided pressure-sensitive tape, and the first coating layer and the second coating layer are used to isolate the base paper layer to prevent the base paper layer from adhering to the tape layer 3. The base paper layer is used to provide support for the first coating layer, the second coating layer and the silicone oil layer. The backing paper serves as the base layer of the release paper 5, providing support and stability. The laminating layer, located on top of the backing paper, provides isolation and anti-stick properties. The silicone oil layer is the outermost layer, directly contacting sticky materials and providing an anti-stick effect. The thickness is typically between 0.05mm and 0.3mm. The protective tape layer 3 should be removed before installation to protect the tape from contamination or damage before use.

[0052] In some embodiments, the high-gloss alloy includes an aluminum alloy, specifically a mirror aluminum alloy, such as a mirror aluminum alloy of model 5052 / 1060 / 3003, etc., the thickness of which can be selected from 0.5-1.0mm, and the contour accuracy is ±0.05mm, which achieves lightweight and can be used to absorb the dimensional changes of the front bumper of the vehicle body; the high-temperature resistant and scratch-resistant film 1 is made of PET, and the thickness can be selected between 0.05mm and 0.1mm. The PET film of this thickness has good flexibility and tensile strength, and can maintain stable performance in a high-temperature environment. The high-temperature resistant and scratch-resistant film 1 with a PET substrate is attached to the surface of the vehicle logo body 2. This material film has little effect on subsequent processing and has good resistance to processing damage. High-gloss alloys refer to alloys with a glossiness generally above 70GU. High gloss means that when measured with a gloss meter at a 20-degree angle, if the glossiness of the material surface is greater than 70GU, it can be called high gloss. Those skilled in the art should be able to think of high-gloss alloys measured using other measurement methods, such as alloy gloss greater than 70 GU gloss units at a measurement angle of 60 degrees, but the effect is slightly worse after treatment according to the processing method, but it does not affect the improvement in the efficiency and aesthetics of the vehicle logo body 2 after being produced by the method of this application.

[0053] like Figure 1As shown, an embodiment of the present invention also proposes a car logo, which is produced by any of the above-mentioned car logo production methods, including a high-temperature resistant and scratch-resistant film 1, a car logo body 2, a tape layer 3, a positioning cardboard 4, and a release paper 5 arranged in sequence. The high-temperature resistant and scratch-resistant film 1 is attached to the front surface of the car logo body 2, the tape layer 3 is attached to the side of the car logo body 2 close to the release paper 5, the positioning cardboard 4 is provided with a hollow 42 that matches the contour of the car logo body 2, the car logo body 2 is stuck in the hollow 42, and the release paper 5 is tightly connected to the side of the positioning cardboard 4 away from the car logo body 2. In addition to direct snapping, the positioning cardboard 4 can also be provided with a snap-fit ​​structure that matches the contour of the car logo, and snapped with the car logo body 2 through the snap-fit ​​structure. The snap-fit ​​structure can be a positioning hole and a protrusion that matches the positioning hole. It can be imagined that the high-temperature resistant and scratch-resistant film 1 is used to protect the car logo body 2 from damage before installation. Therefore, if damage is not a concern, the combined car logo 8 can also be provided without the high-temperature resistant and scratch-resistant film 1.

[0054] In some embodiments, the assembly tolerance between the hollowing out 42 of the positioning cardboard 4 and the outer contour of the vehicle logo body 2 is ±0.1 mm, which can reduce the overall dimensional error of the entire vehicle logo after installation.

[0055] In some embodiments, a positioning groove 41 is provided at the bottom of the positioning cardboard 4. The positioning groove 41 is used to align with the positioning column in the receiving area of ​​the prefabricated installation auxiliary tool 6 to define the positional relationship between the combined vehicle logo 8 and the prefabricated installation auxiliary tool 6.

[0056] In some embodiments, the positioning cardboard 4 can be made of pre-cut corrugated cardboard, which is low-cost, lightweight, and recyclable. It protects the internal sign from damage during transportation, and the positioning groove 41 has an accuracy of ±0.1mm. Depending on the thickness of the sign product, a specification of 1 to 2mm or more can be selected. It is used to position the vehicle logo body 2 and the tape layer 3. It is pre-cut to match the vehicle body installation area and has positioning grooves 41 to ensure accurate installation position.

[0057] like Figure 2 As shown, taking the installation of the 7-grill logo on the front of a mass-produced car model as an example, the specific installation steps can be:

[0058] 1. Assemble the aluminum alloy vehicle logo with the prefabricated installation aid 6 and fix it at the specified position of the grille. The positioning method of the prefabricated installation aid 6 is that the upper and lower parts are in conformity with the front bumper 7 of the vehicle body to limit the displacement in the X direction. The X direction is the horizontal direction of the vehicle body. The positioning column set in the middle cooperates with the shape of the grille to accurately limit the displacement in the Y direction. The Y direction is the vertical direction of the vehicle body. This forms a stable and accurate installation reference, laying a solid foundation for the high-precision positioning of the subsequent vehicle logo installation.

[0059] 2. Tear off the release paper 5 from the combined car logo 8, and place the combined car logo 8 in the preset accommodation area of ​​the prefabricated installation auxiliary device 6. By setting positioning columns in the accommodation area, the positioning columns correspond to the positioning grooves 41 set on the positioning cardboard 4, and then press the car logo to make its adhesive fit tightly with the shape of the front bumper 7 grille of the car body. Apply pressure evenly by hand to ensure that no bubbles remain.

[0060] 3. After removing the prefabricated installation aids 6 for the car logo, check that the edges of the aluminum alloy car logo are not warped and the surface is not damaged. The employee checks whether the edges of the car logo are warped and whether there is any damage on the surface. Only by ensuring that the edges of the car logo are flat and the surface is intact can the quality of the car logo installation be guaranteed to reach the best standard.

[0061] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0062] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A method for making a car logo, characterized in that: The following steps are involved: The vehicle logo body (2) is made of a high-gloss alloy; The vehicle logo body (2) is sandblasted to obtain a uniform matte surface with a preset roughness value; The vehicle logo body (2) having a uniform matte surface with a preset roughness value is finely processed to obtain a groove on the back of the vehicle logo body (2), and the processing error is controlled within a preset error range; The vehicle logo body (2) having the groove on the back thereof and the processing error controlled within a preset error range is subjected to oxidation treatment to obtain an oxide film of a preset thickness, and the vehicle logo body (2) is subjected to immersion treatment to obtain an oxide film of a preset density; Performing electrophoretic coating on the oxide film vehicle logo body (2) having a preset thickness to obtain a transparent protective layer having a preset thickness; The transparent protective layer having a preset thickness is subjected to arc pressing to obtain a curved vehicle logo body (2) having a preset curvature radius; The arc-shaped vehicle logo body (2) having a preset curvature radius is assembled with a prefabricated adhesive tape layer (3), a positioning cardboard (4) and a release paper (5) to obtain a combined vehicle logo (8) for installation with a vehicle front bumper (7).

2. A method for making a vehicle logo according to claim 1, characterized in that: The method for manufacturing a vehicle logo body (2) using a high-gloss alloy comprises forming a blank profile of the vehicle logo body (2) of a preset shape by cutting a plate, wherein a processing allowance of 0.3 mm is reserved for the blank profile.

3. The method for making a vehicle logo according to claim 1, characterized in that: The preset roughness value is a roughness of Ra 1.6-2.0 μm; the preset error range is ±0.05 mm; the preset thickness of the oxide film is 10-12 μm; the preset thickness of the transparent protective layer is 8-10 μm; and the preset curvature radius of the arc-shaped vehicle logo body (2) is 200-500 mm.

4. A method for making a vehicle logo according to claim 1, characterized in that: The method for assembling a curved vehicle logo body (2) having a preset curvature radius with a prefabricated adhesive tape layer (3), a positioning cardboard (4) and a release paper (5) to obtain a combined vehicle logo (8) for installation with a vehicle front bumper (7) comprises: laminating the release paper (5) to the back of the vehicle logo body (2), aligning the adhesive tape layer (3) and the vehicle logo body (2) through the positioning cardboard (4), applying a pressing pressure of 0.4-0.6 MPa, and maintaining the pressure for more than 10 seconds to form the combined vehicle logo (8).

5. The method for making a vehicle logo according to claim 1, characterized in that: The prefabricated tape layer (3) is a double-sided pressure-sensitive tape; the prefabricated release paper (5) comprises a first coating layer, a base paper layer, a second coating layer and a silicone oil layer arranged in sequence above and below, the silicone oil layer being used for directly contacting the double-sided pressure-sensitive tape, the first coating layer and the second coating layer being used for isolating the base paper layer to prevent the base paper layer from adhering to the tape layer (3), and the base paper layer being used for providing support for the first coating layer, the second coating layer and the silicone oil layer.

6. The method for making a vehicle logo according to claim 1, characterized in that: The combined vehicle logo (8) for installation on the front bumper (7) of the vehicle body is positioned and installed on the front bumper (7) of the vehicle body by means of a prefabricated installation auxiliary tool (6). The method for positioning and installing the prefabricated installation auxiliary tool (6) includes: The upper and lower parts of the prefabricated installation auxiliary tool (6) are fitted to the front bumper (7) of the vehicle body to limit the lateral displacement of the prefabricated installation auxiliary tool (6) along the vehicle body; The vertical displacement of the prefabricated installation auxiliary tool (6) along the vehicle body is limited by the cooperation between the positioning column provided in the middle of the prefabricated installation auxiliary tool (6) and the vehicle body grille shape; The release paper (5) in the combined vehicle logo (8) is torn off, and the combined vehicle logo (8) is placed in a preset accommodation area of ​​the prefabricated installation auxiliary device (6). A positioning column is provided in the accommodation area, and the positioning column corresponds to the positioning groove (41) provided on the positioning cardboard (4). Then, the vehicle logo is pressed so that the adhesive backing thereof is closely fitted to the shape of the front bumper (7) grille of the vehicle body.

7. The method for making a vehicle logo according to claim 1, characterized in that: The method further comprises attaching a high-temperature resistant anti-scratch film (1) to the front side of the vehicle logo body (2) of the combined vehicle logo (8); the material of the high-temperature resistant anti-scratch film (1) comprises a PET protective film.

8. A vehicle logo, characterized in that: The vehicle logo is produced by the vehicle logo production method according to any one of claims 1 to 7, comprising a vehicle logo body (2), a tape layer (3), a positioning cardboard (4) and a release paper (5) arranged in sequence, wherein the tape layer (3) is adhered to the side of the vehicle logo body (2) close to the release paper (5), the positioning cardboard (4) is provided with a hollow (42) matching the contour of the vehicle logo body (2), the vehicle logo body (2) is stuck in the hollow (42), and the release paper (5) is tightly connected to the side of the positioning cardboard (4) away from the vehicle logo body (2).

9. The vehicle logo according to claim 8, characterized in that: The surface of the vehicle logo body (2) away from the release paper (5) is laminated with a high-temperature resistant anti-scratch film (1); the assembly tolerance between the hollowing (42) of the positioning cardboard (4) and the outer contour of the vehicle logo body (2) is ±0.1 mm.

10. The vehicle logo according to claim 8, characterized in that: A positioning groove (41) is provided at the bottom of the positioning paperboard (4).

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