TW202216413A - Supporting tube structure and method for manufacturing the same capable of economically and efficiently improving axial supporting strength - Google Patents

Abstract

The present invention provides a supporting tube structure and a method for manufacturing the same. The manufacturing method includes a tube material preparation step, a tube material configuration step and a hot pressing step; specifically, first preparing a plurality of tubes made of thermoplastic resin and reinforcing fibers, binding the plurality of tubes into bundles, making the plurality of tubes parallel to each other, making the tube walls of the plurality of tubes abutted against each other, and then heating and pressing the plurality of tubes laterally with a mold, so as to fuse the tube walls of two adjacent tubes together. According to the supporting tube structure obtained by the manufacturing method of the present invention, the plurality of tubes are extended to both ends in parallel, which can directly improve the axial supporting strength, thereby solving the problem of the existing composite material tube which is limited in improving the supporting strength by being wound with the composite material reinforcing fabric. Accordingly, a supporting tube structure that can economically and efficiently improve the axial supporting strength and a manufacturing method thereof are provided.

Description

Support tube structure and method of making the same

The present invention relates to a support structure, especially a support tube structure capable of enhancing the axial support strength and a manufacturing method thereof.

The tube is only slightly inferior to the solid cylinder due to its hollow interior and its support strength. Therefore, it is often used to replace solid cylinders in applications where both weight and support strength are required. Recently, as the technology of making pipes with composite materials becomes more and more mature, pipes made of composite materials will be used instead of pipes made of plastic or metal in applications with more stringent requirements on weight and support strength. In order to further increase the supporting strength of the existing composite material pipe, a reinforcing cloth made of the composite material is usually wrapped around the outer surface of the composite material pipe.

However, the composite reinforcement cloth wrapped around the composite material pipe has a limited effect on improving the support strength of the pipe in the axial direction; therefore, it costs money and time to wind the composite material reinforcement cloth, but the axial support strength is not as expected. the result of. Therefore, in order to economically and efficiently improve the support strength of the existing composite material pipe, it is necessary to make further improvements in the structure and manufacturing method of the composite material pipe.

In order to solve the problem that the existing composite material pipe has limited effect of improving the axial support strength by winding the composite material reinforcing cloth. This creation provides a method for manufacturing a composite material pipe, which can produce a support pipe structure by thermally pressing a plurality of composite material pipes, which can achieve the purpose of increasing the axial support strength economically and efficiently.

The production method of the support tube structure proposed by this creation to solve the technical problem includes: a pipe preparation step, preparing a plurality of pipes made of thermoplastic resin and reinforcing fibers; a pipe material arrangement step of assembling a plurality of the pipe materials into a bundle, making the plurality of the pipe materials parallel, and making the pipe walls of the plurality of the pipe materials abut against each other; and In a thermocompression bonding step, after heating a plurality of the pipes, the plurality of pipes are laterally pressed with a mold, so that the pipe walls of two adjacent pipes are welded together.

The manufacturing method of the support pipe structure, wherein in the pipe material preparation step, a plurality of inner pipe materials are prepared, and an outer pipe material with a pipe diameter larger than each inner pipe material is prepared; in the pipe material arrangement step, the outer pipe material is prepared. A tube is sheathed outside the plurality of the inner tubes.

The manufacturing method of the support pipe structure, wherein the manufacturing method of the support pipe structure further includes a support member installation step after the pipe material arranging step and before the heat pressing step. In the step of installing the support piece, a support piece is installed inside each inner pipe material, and the support piece installed in each inner pipe material provides support for each inner pipe material during the heat pressing step.

In the manufacturing method of the support tube structure, each support member is an air bag.

The support pipe structure proposed by this creation to solve the technical problem includes: A plurality of pipes, the pipe walls of the plurality of pipes extend to both ends of the supporting pipe structure, each pipe is made of thermoplastic resin and reinforcing fibers and has a pipe wall thickness, and the pipe walls of the plurality of pipes are heated and pressed together, A support rib is formed by welding the walls of two adjacent pipes, and each support rib has a thickness greater than that of each pipe and extends to both ends of the support pipe structure.

In the support pipe structure, the reinforcing fibers of each pipe material are carbon fibers.

In the support pipe structure, the reinforcing fiber of each pipe material is glass fiber.

In the support pipe structure, the reinforcing fibers of each pipe are metal fibers.

The support pipe structure proposed by this creation to solve the technical problem includes: a plurality of inner pipes, the pipe walls of the plurality of inner pipes extend toward both ends of the supporting pipe structure, and each inner pipe is made of thermoplastic resin and reinforcing fibers and has a pipe wall thickness; and an outer pipe material, the outer pipe material is made of thermoplastic resin and reinforcing fibers and has a pipe wall thickness, the outer pipe material is sleeved on the outside of a plurality of the inner pipe materials; wherein The tube wall of the outer tube is heated and pressed, so that the outer tube and the tube wall of each adjacent inner tube are fused and extended to both ends of the supporting tube structure, and the tubes of the two adjacent inner tubes are fused together. The walls are welded to form a support rib, and the thickness of each support rib is greater than the thickness of the pipe wall of each pipe material and extends to both ends of the support pipe structure.

In the support pipe structure, the reinforcing fibers of each inner pipe are carbon fibers, and the reinforcing fibers of the outer pipes are also carbon fibers.

The efficacy enhancement that can be obtained by the technical means of this creation is: 1. In the support pipe structure and its production method of this creation, a plurality of pipes made of thermoplastic resin and reinforcing fibers are assembled into a bundle in parallel, and then the plurality of pipes are heated and pressed to produce a support pipe structure. In addition to the thickness of the support ribs of the support pipe structure of the present invention being greater than the thickness of the pipe wall of each pipe material, each support rib also extends to both ends of the support pipe structure, which can surely improve the support strength of the present invention in the axial direction. In addition to being more economical and efficient in production, the present invention also has better axial support strength in structure. 2. This creation can also cover multiple inner pipes with outer pipes, and by hot pressing, the wall of the outer pipes is welded with the adjacent inner pipes, and also extends to both ends of the support pipe structure of this creation, It also helps to improve the strength of the support tube structure of the present invention in the axial direction.

In order to be able to understand the technical features and practical effects of this creation in detail, and to realize it according to the content of the invention, the preferred embodiment as shown in the drawings is further described in detail as follows:

As shown in FIG. 1 , the manufacturing method of the supporting pipe structure of the present invention includes a pipe material preparation step S1 , a pipe material arrangement step S2 , and a thermal pressing step S3 .

Pipe material preparation step S1: First, prepare a plurality of pipes made of thermoplastic resin and reinforcing fibers; in the preferred embodiment of the present invention, the polymer base material used is thermoplastic resin, and carbon fiber is used as reinforcement Fiber; in application, the reinforcing fiber used can be not only carbon fiber, but also glass fiber or metal fiber.

Pipe material arrangement step S2: Assemble a plurality of pipe materials into a bundle in parallel, make the plurality of pipes parallel, and make the pipe walls of the plurality of pipes abut against each other.

Thermocompression bonding step S3 : as shown in FIG. 2 , after heating the plurality of tubes 20 , the tube walls of the bundled tubes 20 are laterally compressed with the mold 70 . The pipe walls of two adjacent pipes 20 are welded together to form a support pipe structure.

As shown in FIG. 3 and FIG. 4 , in the pipe material preparation step S1 of the preferred embodiment of the present invention, three pipes 20 with circular cross-sections are prepared and the pipe diameters of the three pipes 20 are the same; therefore, the supporting pipe structure There are three pipes 20, and the walls of two adjacent pipes 20 are welded to form a support rib 21. The thickness of each support rib 21 is greater than that of each pipe 20 and extends to both ends of the support pipe structure.

The present invention does not impose specific limitations on the number of the pipes 20 , the aperture of each pipe 20 , and even the cross-section of each pipe 20 . The cross-section of each pipe material 20 can also be hexagonal or other polygonal shapes.

As shown in FIG. 5 and FIG. 6 , in the pipe material preparation step S1, a plurality of inner pipe materials 20A may also be prepared, and an outer pipe material 20B having a diameter larger than each inner pipe material 20A may be prepared; and in the pipe material arrangement step S2, this The outer pipe material 20B is sheathed outside the plurality of the inner pipe material 20A. The manufacturing method of the supporting tube structure of the present invention can also add a supporting member installation step between the tube material arranging step S2 and the thermal pressing step S3.

Steps for installing the support: As shown in FIG. 5 , after the outer pipe 20B is sheathed on a plurality of the inner pipes 20A, as shown in FIG. 6 , a support 30 is installed inside each inner pipe 20A, Each support member 30 can be an air bag; the support member 30 filled with air and installed in each inner pipe material 20A can provide support for each inner pipe material 20A during the hot pressing step S3, so as to avoid the hot pressing process. During the process, each inner tube material 20A is squeezed and deformed.

After the aforementioned thermocompression bonding step S3, the support member 30 in each inner tube material 20A is removed, so as to obtain the support tube structure of the present invention as shown in FIG. 7 . Among the three inner pipes 20A, the walls of two adjacent inner pipes 20A are also welded to form the support rib 21 . Likewise, the thickness of each support rib 21 is greater than the thickness of the pipe wall of each inner pipe material 20A, and extends to both ends of the support pipe structure. In addition, the outer pipes 20B sleeved on the plurality of inner pipes 20A are also welded with the adjacent inner pipes 20A to extend to both ends of the supporting pipe structure. As shown in FIG. 8 , the cross section of each inner pipe material 20A can also be a hexagon or other polygons. In addition to this, the present invention does not specifically limit the cross-section of the outer pipe 20B.

The manufacturing method of the support pipe structure of the present invention can make the adjacent pipe walls fused to form the support ribs 21 extending to both ends of the support pipe structure, which can surely improve the support strength of the support pipe structure. Compared with the existing composite material pipe manufacturing method that improves the support strength by winding the composite material reinforcing cloth, the present invention can avoid the cost of wrapping the composite material reinforcing cloth, but the problem of unsatisfactory axial support strength is obtained; Moreover, the production of the support tube structure of the present creation is more convenient in production and can save the time and cost of production, so that the production method of the support tube structure of the present creation can improve the support in an economical and efficient way. strength. In application, the support pipe structure of the present invention can even arrange a plurality of pipes 20 in parallel, and then directly combine the pipe walls and the pipe walls of two adjacent pipes 20 with glue, so that the adjacent pipe walls are not welded together. and extends to both ends of the support tube structure.

Furthermore, compared to the existing composite material pipe material that enhances the support strength by winding the composite material reinforcing cloth, in the support pipe structure of the present invention, the thickness of each support rib 21 is greater than the thickness of the pipe wall of each pipe material 20 and extends to The two ends of the support tube structure make the support tube structure of the present invention have higher strength in the axial direction.

Finally, in the support pipe structure of the present invention, the outer pipe material 20B can also be sheathed with a plurality of the inner pipe materials 20A, and the pipe wall of the outer pipe material 20B is welded with the adjacent inner pipe materials 20A, and also extends to the support pipe structure. The two ends of , also help to improve the strength of the support tube structure in this creation in the axial direction.

The above are only preferred embodiments of this creation, and do not limit this creation in any form. Anyone with ordinary knowledge in the technical field, if they do not deviate from the scope of the technical solutions proposed in this creation, use this creation. Equivalent embodiments with partial changes or modifications made to the disclosed technical content in the creation, and which do not depart from the content of the technical solution of the creation, still belong to the scope of the technical solution of the creation.

20: Pipe 20A: Inner pipe 20B: Outer pipe 21: Support Ribs 30: Supports 70: Mold S1: Tube Preparation Step S2: Pipe configuration steps S3: thermocompression bonding step

Figure 1 is a flow chart of the creation method of the present invention. Figure 2 is a schematic diagram of the production method of this creation. FIG. 3 is a schematic view of the end surface of the support tube structure produced by the method of the present invention. FIG. 4 is a three-dimensional schematic diagram of the support tube structure produced by the present creation and production method. FIG. 5 is a three-dimensional schematic diagram of the support tube structure produced by the present creation and production method. FIG. 6 is a schematic diagram of the production using the present creation production method. FIG. 7 is a schematic view of the end surface of the support tube structure produced by the present creation and production method. FIG. 8 is a schematic view of the end surface of the support tube structure produced by the method of the present invention.

20: Pipe

21: Support Ribs

Claims (10)

A manufacturing method of a support tube structure, comprising: a pipe preparation step, preparing a plurality of pipes made of thermoplastic resin and reinforcing fibers; a pipe material arrangement step of assembling a plurality of the pipe materials into a bundle, making the plurality of the pipe materials parallel, and making the pipe walls of the plurality of the pipe materials abut against each other; and In a thermocompression bonding step, after heating a plurality of the pipes, the plurality of pipes are laterally pressed with a mold, so that the pipe walls of two adjacent pipes are welded together. The method for manufacturing a support pipe structure according to claim 1, wherein in the pipe material preparation step, a plurality of inner pipe materials are prepared, and an outer pipe material with a pipe diameter larger than each inner pipe material is prepared; in the pipe material arrangement step , the outer pipe is sleeved on the outside of a plurality of the inner pipes. The method for manufacturing a support pipe structure according to claim 2, wherein the method for manufacturing a support pipe structure further comprises a support member installation after the pipe material arranging step and before the heat pressing step. step, in the support member installation step, a support member is installed inside each inner pipe material, and the support member installed in each inner pipe material is provided for each inner pipe material during the thermal pressing step. support. The manufacturing method of the support tube structure according to claim 3, wherein each support member is an air bag. A support tube structure, comprising: A plurality of pipes, the pipe walls of the plurality of pipes extend to both ends of the supporting pipe structure, each pipe is made of thermoplastic resin and reinforcing fibers and has a pipe wall thickness, and the pipe walls of the plurality of pipes are heated and pressed together, A support rib is formed by welding the walls of two adjacent pipes, and each support rib has a thickness greater than that of each pipe and extends to both ends of the support pipe structure. The supporting pipe structure according to claim 5, wherein the reinforcing fibers of each pipe are carbon fibers. The supporting pipe structure according to claim 5, wherein the reinforcing fibers of each pipe material are glass fibers. The supporting pipe structure according to claim 5, wherein the reinforcing fibers of each pipe are metal fibers. A support tube structure, comprising: a plurality of inner pipes, the pipe walls of the plurality of inner pipes extend toward both ends of the supporting pipe structure, and each inner pipe is made of thermoplastic resin and reinforcing fibers and has a pipe wall thickness; and an outer pipe material, the outer pipe material is made of thermoplastic resin and reinforcing fibers and has a pipe wall thickness, the outer pipe material is sleeved on the outside of a plurality of the inner pipe materials; wherein The tube wall of the outer tube is heated and pressed, so that the outer tube and the tube wall of each adjacent inner tube are fused and extended to both ends of the supporting tube structure, and the tubes of the two adjacent inner tubes are fused together. The walls are welded to form a support rib, and the thickness of each support rib is greater than the thickness of the pipe wall of each pipe material and extends to both ends of the support pipe structure. The support tube structure according to claim 9, wherein the reinforcing fibers of each inner tube are carbon fibers, and the reinforcing fibers of the outer tubes are also carbon fibers.

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