TWI677445B - Manufacturing method of composite wheel and structure thereof - Google Patents

Abstract

The invention relates to a composite rim manufacturing method and a structure thereof. The rim main body is mainly formed by forming a carbon fiber rim main body in a cavity of a rim main body forming mold, and a rim component is extruded from a metal material. The rim component is combined with the rim body, and a carbon fiber rim coating layer is tightly covered on the surface of the combined rim body and the rim component, whereby the composite rim manufacturing method and structure can be used. To improve the production efficiency and yield of the rims, to achieve the purpose of making the rims lighter, and to reduce the cost of manufacturing the rims. In addition, the solid fitting of the tire ribs on the upper end of the metal rim assembly with the tire lip is made. To prevent tires from leaking and falling off, and the rigidity of the rim body of the metal rim assembly and the carbon fiber rim body to withstand the impact of road jumping vibration, so that the rim will not break or break. , 俾 Improve the safety and durability of rims.

Description

Composite rim manufacturing method and structure

The invention relates to a composite rim manufacturing method and a structure thereof, in particular to a method for improving rim production efficiency, yield, and reducing its cost, as well as improving safety, durability, and lightness of rim use. Method and structure of quantification and other benefits.

According to the existing carbon fiber rim forming technology, a ring-shaped airbag is mainly inflated, and then the outer surface of the airbag is sequentially covered with multiple layers of carbon fiber cloth. However, because the airbag is soft, the surface of the airbag is covered with carbon fiber cloth. The construction of the material is quite troublesome and time consuming, especially on the flexible airbag, the carbon fiber cloth material is difficult to be flat and covered, so it causes problems such as the existing carbon fiber rim defect rate to increase.

In addition, after stacking multiple layers of carbon fiber cloth to form a rim shape, the carbon fiber must be hardened through procedures such as heating. However, after the carbon fiber is hardened and shaped, it lacks ductility. When the bicycle runs on a bumpy road, it is subject to shocks such as jumping vibration. At this time, the carbon fiber rim system is not resistant to impact forces, and is prone to breakage and damage. In addition, the carbon fiber rims laminated with multiple layers of carbon fiber cloth can not be formed at the upper ends of the two side walls to be fitted with the tire lip. The fixed ribs can only be used to thicken the carbon fiber cloth stack at most to form a slightly curved flange, so that the existing carbon fiber rim and tire are firmly combined Poor qualitative, in addition to the tire and rims are easy to fall off, when implemented on tubeless rims, air leakage and other problems due to poor adhesion will affect the riding safety of the bicycle.

The reason is that the present inventor has the above-mentioned shortcomings in the manufacture and use of the existing carbon fiber rims, and is based on his many years of manufacturing and design experience and knowledge in related fields, and has invented the present invention through various ingenuity.

The present invention relates to a composite rim manufacturing method and structure, and its main purpose is to provide a method for improving the rim manufacturing efficiency, yield, and reducing its cost, as well as improving the safety, durability and use of the rim. Wheel rim manufacturing method and structure with light weight and other benefits.

In order to achieve the above-mentioned implementation purpose, the inventor has developed the following composite rim manufacturing method, the implementation steps of which include:

A. Molding rim main body: A rim main body forming mold is provided, and a mold cavity is provided in the rim main body forming mold, and a plurality of layers of carbon fiber cloth material is laminated in the mold cavity, and the carbon fiber cloth material is hardened. Shaped to form a rim body, and an accommodation space is provided on the rim body;

B. Molded rim assembly: A rim assembly is extruded from metal materials, and two opposing tire ribs are formed on the upper end of the rim assembly, which makes the rim assembly corresponding to the accommodation of the rim body. Space and make the two abutment sections of the rim component abut against the two side walls of the rim body, respectively, so that the rim component and the rim body are combined with each other;

C. Molded rim coating layer: at least one carbon fiber cloth material is closely adhered along the contour surface of the combined rim body and the rim component to form a combined rim body and rim The components are tightly wrapped in the inner rim coating.

The composite rim manufacturing method as described above, wherein the rim main system is in a ring shape, and the cross section of the rim main body is formed with two opposite side walls and a bottom wall connected between the bottom ends of the two side walls, and The accommodating space is defined between two side walls and a bottom wall of the rim main body, and the opening of the accommodating space is formed at the upper end of the rim main body, and the rim component is formed into a ring shape, and The cross section of the rim assembly is formed with two opposing abutment sections and a base section connected between the bottom ends of the two abutment sections, and the tire inserts are bent inwardly at the upper ends of the two abutment sections. Ribs, and two tire ribs of the rim assembly are located at the upper end opening of the accommodation space, and the rim coating layer is formed along the contour surface of the combined rim main body and rim assembly, The rim body and the rim component are tightly wrapped inside.

As described above, the composite rim manufacturing method, wherein two abutment sections, a base section and two tire ribs of the rim assembly together define a set of standing spaces, and the base section of the rim assembly is located in the set of spaces. One surface is formed with two opposing abutting flanges, and the two abutting flanges are respectively set to be adjacent to the two abutting sections of the rim assembly.

The composite rim manufacturing method as described above, wherein the metal material of the rim component is an aluminum alloy.

Through the above-mentioned composite rim manufacturing method, a composite rim finished product can be obtained. The composite rim structure mainly includes: a rim main body, the rim main system is made of carbon fiber material, so that the rim main body presents It is ring-shaped, and the cross section of the rim body is formed with two opposite side walls and a bottom wall connected between the bottom ends of the two side walls, and a volume is defined between the two side walls and a bottom wall of the rim body. A rim component, the rim component is a metal material, and the rim component is formed in a ring shape so as to be correspondingly arranged on the rim body In the accommodating space, the rim component is formed with two opposing abutting sections, and a base section is connected between the bottom ends of the two abutting sections, and the two abutting sections of the rim component and the The two side walls of the rim body are positioned against each other, and the upper end of the rim component is bent inward to form a tire rib, and the two tire ribs of the rim component are located at the upper end of the rim body's accommodation space. A rim covering layer, which is made of carbon fiber material, so that the rim covering layer tightly covers the contour surface of the combined rim body and rim component.

The composite rim structure described above, wherein the two abutment sections, a base section, and two tire ribs of the rim assembly together define a set of standing spaces, and the base section of the rim assembly is located in the set of spaces. One surface is formed with two opposing abutting flanges, and the two abutting flanges are respectively set to be adjacent to the two abutting sections of the rim assembly.

Therefore, using the composite rim manufacturing method and structure system of the present invention can improve the manufacturing efficiency and yield of the rim, and achieve the purpose of making the rim lighter. At the same time, it can also reduce the manufacturing cost of the rim. The firm fitting of the tire ribs at the upper end of the rim assembly and the tire lip can prevent the tire from leaking and falling off, and the rigidity of the rim body of the metal rim assembly and the rim body of the carbon fiber are matched with the rigidity of the rim body to match the carbon fiber. Withstand the impact of road jumping vibration, so that the rim does not break or break. Based on this, it can improve the safety and durability of the rim.

(1) ‧‧‧Rim body

(11) ‧‧‧Sidewall

(12) ‧‧‧bottom wall

(13) ‧‧‧Accommodation space

(131) ‧‧‧ opening

(2) ‧‧‧Rim assembly

(21) ‧‧‧ Arrival section

(22) ‧‧‧ basal segment

(23) ‧‧‧Tire rib

(24) ‧‧‧Group space

(25) ‧‧‧Stuck to the flange

(3) ‧‧‧Rim Cover

First figure: Flow chart of the present invention

Second figure: perspective sectional view of the present invention

The third figure: the assembly state diagram of the present invention

The fourth picture: the assembly state diagram of the present invention (a)

Fifth figure: the assembly state diagram of the present invention (two)

Sixth diagram: Assembly state diagram of another embodiment of the present invention

In order to make the technical means of the present invention and the effect that it can achieve more complete and clear disclosure, detailed description is as follows, please refer to the drawings and numbers of the disclosure: First, please refer to the first and second The figure shows the composite rim manufacturing method of the present invention. The main implementation steps include: A. Forming the rim main body: A rim main body forming mold is provided, and a mold cavity is provided in the rim main body forming mold. A plurality of layers of carbon fiber cloth material are sequentially laminated along the cavity wall of the mold body of the rim body, and then the carbon fiber cloth material is heated and hardened in the mold body of the rim body to form a ring shape. The rim main body (1), please also refer to the third figure, the cross section of the rim main body (1) is formed with two opposite side walls (11) and a connection between the bottom ends of the two side walls (11). The bottom wall (12), and defines an accommodation space (13) between the two side walls (11) and a bottom wall (12) of the rim body (1), and the accommodation space (13) The opening (131) is formed at the upper end of the rim body (1); B. Molded rim component: made of metal material by drawing and extruding into a long shape, and then The rim assembly (2) is rolled into a ring shape by a rolling machine. The metal material of the present invention uses aluminum alloy as the main embodiment, and the rim component (2) extruded from the metal material has a cross section. It is formed with two opposing abutment sections (21) and a base section (22) connected between the bottom ends of the two abutment sections (21), and is bent inwardly at the upper ends of the two abutment sections (21). There is a tire rib (23), please refer to the fourth figure together, and make the rim assembly (2) corresponding to the accommodating space (13) of the rim body (1), and make the rim The two abutment sections (21) of the component (2) abut against the two side walls (11) of the rim body (1), respectively, and the two tire ribs (23) of the rim component (2) are located in the The upper opening (131) of the accommodating space (13) further defines two sets of standing portions (21), a base portion (22) and two tire ribs (23) of the rim assembly (2) to define a group of standing portions. Space (24); C. Molded rim coating: please refer to the fifth figure together, so that at least one carbon fiber cloth material is along the combined rim body (1) and rim assembly (2) The contoured surface is closely attached, After heat-setting, the rim body (1) and the rim assembly (2) are combined to form a rim coating layer (3) tightly covering the rim body.

According to this, a bicycle composite rim finished product can be made by using the above implementation steps. The composite rim system includes a rim main body (1) made of carbon fiber, so that the rim main body (1) is a ring. Shape, and the cross section of the rim body (1) is formed with two opposite side walls (11) and a bottom wall (12) connected between the bottom ends of the two side walls (11), and the rim body (1) An accommodation space (13) is defined between the two side walls (11) and a bottom wall (12), and an opening (131) of the accommodation space (13) is formed at the upper end of the rim body (1), and The rim assembly (2) is made of metal material, so that the rim assembly (2) has a ring shape so as to be correspondingly arranged in the accommodation space (13) of the rim body (1), and the The rim assembly (2) is formed with two opposing abutment segments (21), and a base segment (22) is connected between the bottom ends of the two abutment segments (21), and the rim assembly (2) The two abutment sections (21) abut against the two side walls (11) of the rim body (1), and the upper end of the rim component (2) is bent inward to form a tire rib (23), The rim assembly (2) and its two tire ribs (23) are located on the rim body (1), and its space is empty. (13) an upper end opening (131), the complex of the carbon fiber to make a rim cover layer (3) tightly enclosing the rim body (1) and rim assembly (2) of the contour of the surface-bound phase.

In this way, the rim body (1) of the present invention enables a plurality of carbon fiber cloth materials to be sequentially adhered and formed in a cavity of a rim body forming mold, and the rim body forming mold system can provide carbon fiber cloth covering. It can steadily abut and support. In this way, the time-saving convenience of the carbon fiber cloth in the mold cavity to form the rim body (1) can be improved, and the carbon fiber cloth material can be used in the mold cavity of the rim body forming mold. The flat and flat covering is more conducive to improving the quality yield of the rim body (1).

Furthermore, the rim assembly (2) of the present invention is formed by drawing and extruding a metal material such as aluminum alloy, so the rim assembly (2) can surely form two tire ribs (23) having a good engaging and engaging function. ), Here, when the inner tube and tire are sequentially assembled in the assembly space of the rim assembly (2) of the present invention At (24), the tire lips provided on the bottom edges of the tires and the two tire ribs (23) of the rim assembly (2) of the present invention can be firmly positioned to form a good tightness, so as to effectively prevent Tires and rims fall off. In addition, the rim assembly (2) made of metal materials such as aluminum alloy has high heat dissipation characteristics and high ground temperature. When the inner tube and tire generate high temperature, the temperature is transparent to the metal. The rim assembly (2) diverges quickly to further prevent the inner tube and tire from being cracked or punctured due to overheating.

In addition, when the bicycle assembled with the composite rim of the present invention travels on bumpy roads and is subjected to shocks such as jumping vibrations, the rim assembly (2) made of the metal material such as aluminum alloy according to the present invention has good ductility, matching The carbon fiber rim body (1) and rim cover (3) are rigid enough to withstand and cushion impact forces such as jumping vibrations transmitted by the tire without breaking or breaking, and because The rim assembly (2) is restrained by the two side walls (11) of the carbon fiber rim body (1), and the carbon fiber rim coating (3) covers the limit, which can further prevent the rim assembly. (2) Improper deformation, according to this, to improve the safety of the composite rim of the present invention in implementation, and the present invention uses a carbon fiber rim main body (1), a rim covering layer (3), and aluminum. The composition design of the rim components (2) of alloys and other metal materials can not only achieve the safety of rim use, but also have the benefits of lightweight rims and reduced rim manufacturing costs.

The foregoing embodiments or drawings are not limited to the composite rim manufacturing method and structural implementation of the present invention. Please refer to FIG. 6 together, which is another embodiment of the present invention applied to a tubeless rim. The base segment (22) of the rim assembly (2) is located on one side of the assembly space (24) and extruded into two opposing snap flanges (25), and the two snap flanges (25) are formed. They are set up adjacent to the two abutment sections (21) of the rim assembly (2), respectively. Here, when the tire is assembled, the outer sides of the two lip of the tire and the two tires of the rim assembly (2) can be separated. The ribs (23) are positioned and inserted, and the inner sides of the two tire lips of the tire are respectively positioned against the two flanges (25) protruding from the base section (22), so as to make the tire ’s lips The inner and outer sides are tightly clamped to the tire ribs (23) and the latching protrusions To ensure the tightness of assembly of the tire with the rim assembly (2) of the present invention, and accordingly, when the tubeless rim is assembled and used, air leakage will not occur.

As can be seen from the above structure and embodiments, the present invention has the following advantages:

1. The composite rim manufacturing method of the present invention is a method in which a plurality of carbon fiber cloth materials are adhered to a mold rim body in a cavity of a mold body of a rim body, and the use of the mold is used to facilitate the flat adhesion of the carbon fiber cloth materials in the mold cavity. Accordingly, in order to improve the production efficiency and yield of the carbon fiber rim body.

2. The composite rim structure of the present invention is made by extruding the rim component from a metal material, so that the rim component does form a tire rib with a good embedding function, so that the tire can be used with the present invention. The rims are firmly and tightly combined to prevent the tire and rim from falling off. In addition, the rim components made of metal materials have high heat dissipation characteristics to further avoid tire overheating and puncture.

3. The composite rim structure of the present invention allows the rim assembly to be extruded from a metal material and has tire ribs and snap-on flanges, whereby when implemented on a tubeless rim, the tire can be used as a tire. The inside and outside of the lip are tightly clamped between the clearly formed tire ribs and snap-on flanges to ensure that the tire is tightly assembled with the rim of the present invention to avoid leakage between the tire and the rim due to poor adhesion. Gas, etc.

4. The composite rim structure of the present invention is made by extruding rim components from metal materials such as aluminum alloy, and using the good ductility of metal materials such as aluminum alloy to match the rim body and rim coating of carbon fiber. It is rigid to withstand the impact of road jumping vibration, so that the rim does not break or break, and it can prevent the rim components from being deformed improperly, so as to improve the safety and durability of the rim.

5. The composite rim structure of the present invention is composed of a carbon fiber rim main body, a rim coating layer and a metal rim component. The structural design can improve the safety and durability of the rim. It can also achieve benefits such as reducing the weight of the rim and reducing the cost of manufacturing the rim.

In summary, the embodiments of the present invention can indeed achieve the expected effect, and the specific structure disclosed is not only not seen in similar products, nor has it been disclosed before application. The provisions and requirements of the Patent Law, and the application of an invention patent in accordance with the law, please beg for examination and grant a patent, it is very convenient.

Claims (7)

A composite rim manufacturing method, the implementation steps of which include: A. forming the rim main body: a rim main body forming mold is provided, and a mold cavity is provided in the rim main body forming mold, and the mold cavity is covered with the mold cavity. Multi-layer carbon fiber cloth material, and then the carbon fiber cloth material is hardened and shaped to form a rim body, and a accommodating space is provided on the rim body; B. Molded rim component: a rim is extruded from metal Assembly, and two opposite tire ribs are formed on the upper end of the rim assembly, which makes the rim assembly correspondingly disposed in the accommodating space of the rim body, and makes the two abutment sections of the rim assembly separate from the wheel. The two side walls of the rim main body are positioned against each other so that the rim component and the rim main body are combined with each other; C. Forming the rim covering layer: at least one carbon fiber cloth material is arranged along the combined rim main body and the wheel The contour surface of the rim component is closely adhered to form a rim covering layer that tightly covers the combined rim body and the rim component. According to the composite rim manufacturing method described in item 1 of the scope of patent application, wherein the rim main system is ring-shaped, and the cross section of the rim body is formed with two opposite side walls and one connected to the bottom ends of the two side walls Between the two side walls of the rim body and a bottom wall, the accommodation space is defined, and the opening of the accommodation space is formed at the upper end of the rim body, and the rim assembly is It is ring-shaped, and the cross section of the rim assembly is formed with two opposing abutment sections and a base section connected between the bottom ends of the two abutment sections, and the upper ends of the two abutment sections are each bent inwardly. The tire rib is formed by folding, and two tire ribs of the rim assembly are located at the upper end opening of the accommodating space, and the rim covering layer is formed along the combined rim body and the rim assembly. The contour surface tightly covers the rim body and the rim component. For example, the composite rim manufacturing method described in item 2 of the scope of the patent application, wherein two abutment sections, a base section and two tire ribs of the rim component collectively define a set of standing spaces, and make the rim component The base section is formed on one surface of the assembly space, and two opposing abutment flanges are formed, and the two abutment flanges are respectively set to be adjacent to the two abutment sections of the rim component. According to the composite rim manufacturing method described in item 1 of the scope of patent application, wherein the metal material of the rim component is an aluminum alloy. A composite rim structure mainly includes: a rim main body, the rim main system is made of carbon fiber material, the rim main body is formed into a ring shape, and the cross section of the rim main body is formed with two opposite side walls and a A bottom wall connected between the bottom ends of the two side walls, and an accommodation space is defined between the two side walls of the rim body and a bottom wall, and an opening of the accommodation space is formed at the upper end of the rim body; The rim component is a metal material, which makes the rim component have a ring shape so as to be correspondingly arranged in the accommodating space of the rim body, and the rim component forms two opposite resistances. And a base segment is connected between the bottom ends of the two abutment segments, and the two abutment segments of the rim assembly abut against the two side walls of the rim body, and the upper ends of the rim assembly are inwardly positioned A tire rib is formed by bending, and the two tire ribs of the rim assembly are located at the opening of the upper end of the accommodating space of the rim body; a rim covering layer, which is made of carbon fiber material; The rim covering layer is tightly covered on the combined rim body Contoured surface of the rim assembly. For example, the composite rim structure described in item 5 of the scope of patent application, wherein two abutment sections, a base section and two tire ribs of the rim component collectively define a set of standing spaces, and make the rim component The base section is formed on one surface of the assembly space, and two opposing abutment flanges are formed, and the two abutment flanges are respectively set to be adjacent to the two abutment sections of the rim component. According to the composite rim structure described in item 5 of the patent application scope, wherein the metal material of the rim component is an aluminum alloy.