Carbon fiber pipe fitting forming structure

By introducing a middle template unit and a glue slurry design into the carbon fiber tube molding structure, the high cost problem caused by mold deformation is solved, and convenient mold replacement and improved production efficiency are achieved.

CN223849732UActive Publication Date: 2026-01-30XIAN JIAYE AVIATION TECH
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Patent Information

Application Number
CN202423176557.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-30
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In the current production of carbon fiber tubes, the high cost and frequent replacement of molds lead to low production efficiency. Existing technologies, such as the forming method for reflector connecting rods, cannot effectively solve the problem of mold deformation.

Method used

The carbon fiber tube forming structure adopts a middle template unit between the upper and lower templates. The middle template unit includes multiple glue slurry grooves and forming grooves. The support frame is used for positioning and installation. Only the middle template unit needs to be replaced to facilitate mold replacement.

Benefits of technology

It reduced the production cost of carbon fiber tubes, improved the convenience of mold replacement and production efficiency, and ensured molding accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The carbon fiber pipe fitting forming structure comprises the upper mold plate and the lower mold plate, the middle mold plate unit is arranged between the upper mold plate and the lower mold plate, the part, prone to deformation, between the upper mold plate and the lower mold plate in the prior art is independent to form the middle mold plate unit, and along with the proceeding of the using process, only the middle mold plate unit needs to be replaced when a production mold is replaced. The carbon fiber pipe fitting forming structure is simple in structure, convenient to replace and beneficial to reducing the production cost of the carbon fiber pipe fitting, the carbon fiber pipe fitting forming structure is beneficial to reducing the production cost of the carbon fiber pipe fitting, and a carbon fiber pipe fitting production mold can be conveniently replaced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to carbon fiber pipe fitting forming field, specifically, the utility model relates to a carbon fiber pipe fitting forming structure. BACKGROUND

[0002] Carbon fiber pipe fitting has high strength, long life, corrosion resistance, light weight, low density and other advantages, is widely used in kites, model airplanes, lamp supports, PC device rotating shafts, etching machines, medical devices, sports equipment and other mechanical equipment, carbon fiber pipe fitting also has a series of excellent performance such as size stability, conductivity, heat conduction, small thermal expansion coefficient, self-lubrication and energy absorption shock resistance, in the prior art, carbon fiber pipe fitting is mostly formed by using invar die hot press tank or RTM method, the design of the used forming die is relatively complex, and the die cost is high, with the continuous production process, the edge of the bonding surface between the upper die and the lower die deforms randomly, the upper die and the lower die need to be replaced regularly, which further increases the production cost, and the die replacement process needs to be stopped, which reduces the production efficiency.

[0003] To solve the above problems, patent document 109571985A discloses a forming method suitable for reflector connecting rod, which is mainly carbon fiber pipe fitting, the main forming method is to use a general auxiliary hanging line tool, innovatively use 0° full winding forming mode, subsequent process is exposed to air and pre-pressed, control product compression amount 20%~30%, finally prepared by hot press tank forming, the carbon fiber pipe fitting of high-precision reflector connecting rod of the present application has small expansion coefficient, fully plays the advantage of high specific stiffness, and the use of auxiliary hanging line tool makes the angle more accurate during winding forming, which provides great guarantee for the overall stiffness and stability of high-precision reflector, but cannot solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model is carried out in order to solve the above problems, aims at providing a carbon fiber pipe fitting forming structure which is beneficial to reduce the production cost of carbon fiber pipe fitting and can conveniently replace carbon fiber pipe fitting production die, in order to realize the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0005] The utility model provides a carbon fiber pipe fitting forming structure has such characteristics, including upper die plate and lower die plate, is equipped with middle die plate unit between upper die plate and lower die plate.

[0006] In the carbon fiber pipe fitting forming structure provided by the utility model, the middle die plate unit can also have the following characteristics: the middle die plate unit includes a first middle die plate and a second middle die plate, and the first middle die plate and the second middle die plate are arranged between the upper die plate and the lower die plate.

[0007] In the carbon fiber pipe fitting forming structure, the two sides of the first middle mold plate are respectively provided with a first middle glue groove and a second middle glue groove, the two sides of the lower mold plate are respectively provided with a first lower glue groove and a second lower glue groove, the first middle glue groove is matched with the first lower glue groove, and the second middle glue groove is matched with the second lower glue groove.

[0008] In the carbon fiber pipe fitting forming structure, the two sides of the second middle mold plate are respectively provided with a third middle glue groove and a fourth middle glue groove, the two sides of the lower mold plate are respectively provided with a third lower glue groove and a fourth lower glue groove, the third middle glue groove is matched with the third lower glue groove, and the fourth middle glue groove is matched with the fourth lower glue groove.

[0009] In the carbon fiber pipe fitting forming structure, the two sides of the second middle mold plate are respectively provided with a third middle glue groove and a fourth middle glue groove, the two sides of the lower mold plate are respectively provided with a third lower glue groove and a fourth lower glue groove, the third middle glue groove is matched with the third lower glue groove, and the fourth middle glue groove is matched with the fourth lower glue groove.

[0010] In the carbon fiber pipe fitting forming structure, the two sides of the second middle mold plate are respectively provided with a third middle glue groove and a fourth middle glue groove, the two sides of the lower mold plate are respectively provided with a third lower glue groove and a fourth lower glue groove, the third middle glue groove is matched with the third lower glue groove, and the fourth middle glue groove is matched with the fourth lower glue groove.

[0011] In the carbon fiber pipe fitting forming structure, the two sides of the second middle mold plate are respectively provided with a third middle glue groove and a fourth middle glue groove, the two sides of the lower mold plate are respectively provided with a third lower glue groove and a fourth lower glue groove, the third middle glue groove is matched with the third lower glue groove, and the fourth middle glue groove is matched with the fourth lower glue groove.

[0012] In the carbon fiber pipe fitting forming structure, the two sides of the second middle mold plate are respectively provided with a third middle glue groove and a fourth middle glue groove, the two sides of the lower mold plate are respectively provided with a third lower glue groove and a fourth lower glue groove, the third middle glue groove is matched with the third lower glue groove, and the fourth middle glue groove is matched with the fourth lower glue groove.

[0013] The carbon fiber pipe fitting forming structure provided by the utility model has the technical effects that the carbon fiber pipe fitting forming structure comprises an upper mold plate and a lower mold plate, and a middle mold plate unit is arranged between the upper mold plate and the lower mold plate.

[0014] Therefore, the carbon fiber pipe fitting forming structure provided by the utility model is favorable for reducing the production cost of carbon fiber pipe fittings and can conveniently replace the carbon fiber pipe fitting production mold. ACCURACY

[0015] The present specification includes the following drawings, and the shown contents are respectively as follows:

[0016] Figure 1 It is a structure schematic view of the carbon fiber pipe fitting forming structure in the embodiment of the utility model;

[0017] Figure 2It is the structure schematic view of the upper mold plate in the embodiment of the utility model;

[0018] Figure 3 It is the structure schematic view of the middle mold plate in the embodiment of the utility model;

[0019] Figure 4 It is the structure schematic view of the lower mold plate in the embodiment of the utility model;

[0020] Figure 5 It is the structure schematic view of the support frame in the embodiment of the utility model.

[0021] In the drawing, it is marked: upper mold plate-10, first forming groove-11, first installation groove-12, lower mold plate-20, first lower sludge groove-21, second lower sludge groove-22, third lower sludge groove-23, fourth lower sludge groove-24, second forming groove-25, second installation groove-26, middle mold plate unit-30, first middle mold plate-31, first middle sludge groove-312, second middle sludge groove-313, second middle mold plate-32, third middle sludge groove-321, fourth middle sludge groove-322, forming gap-33, support frame-40, angle piece-41. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application are further explained in detail by the description of the embodiments with reference to the drawings, the purpose being to help the skilled in the art to have more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help its implementation.

[0023] Figure 1 It is the structure schematic view of the carbon fiber pipe fitting forming structure in the embodiment of the utility model.

[0024] As Figure 1 Indicated, the carbon fiber pipe fitting forming structure provided by the utility model includes upper mold plate 10 and lower mold plate 20, and middle mold plate unit 30 is arranged between upper mold plate 10 and lower mold plate 20, the part that is prone to deformation between the upper and lower mold plates in the prior art is separated out to form middle mold plate unit 30, and when the production mold is replaced during the use process, only middle mold plate unit 30 needs to be replaced, so that the replacement is convenient, and the production cost of the carbon fiber pipe fitting can be reduced.

[0025] Figure 2 It is the structure schematic view of the upper mold plate in the embodiment of the utility model; Figure 3 It is the structure schematic view of the middle mold plate in the embodiment of the utility model; Figure 4 It is the structure schematic view of the lower mold plate in the embodiment of the utility model.

[0026] As Figure 2 , Figure 3 and Figure 4As shown in the drawings, the middle template unit 30 comprises a first middle template 31 and a second middle template 32, both of which are arranged between the upper template 10 and the lower template 20.

[0027] As shown in the drawings, Figure 2 , Figure 3 and Figure 4 , the first middle template 31 is provided with a first middle glue groove 312 and a second middle glue groove 313 on both sides, which can be used for exhaust and glue accumulation, and the lower template 20 is provided with a first lower glue groove 21 and a second lower glue groove 22 on both sides, which can be used for exhaust and glue accumulation, the first middle glue groove 312 is matched with the first lower glue groove 21, and the first middle glue groove 312 is aligned with the first lower glue groove 21, the second middle glue groove 313 is matched with the second lower glue groove 22, and the second middle glue groove 313 is aligned with the second lower glue groove 22, so that the first middle template 31 is installed on the lower template 20, which can improve the positioning accuracy between the first middle template 31 and the lower template 20, thereby improving the forming accuracy of the carbon fiber pipe.

[0028] As shown in the drawings, Figure 2 , Figure 3 and Figure 4 , the second middle template 32 is provided with a third middle glue groove 321 and a fourth middle glue groove 322 on both sides, which can be used for exhaust and glue accumulation, and the lower template 20 is provided with a third lower glue groove 23 and a fourth lower glue groove 24 on both sides, which can be used for exhaust and glue accumulation, the third middle glue groove 321 is matched with the third lower glue groove 23, and the third middle glue groove 321 is aligned with the first lower glue groove 21, the fourth middle glue groove 322 is matched with the fourth lower glue groove 24, and the fourth middle glue groove 322 is aligned with the fourth lower glue groove 24, so that the second middle template 32 is installed on the lower template 20, which can improve the positioning accuracy between the second middle template 32 and the lower template 20, thereby improving the forming accuracy of the carbon fiber pipe.

[0029] As shown in the drawings, Figure 2 , Figure 3 and Figure 4 , the upper template 10 is provided with a first forming groove 11, the lower template 20 is provided with a second forming groove 25, the first forming groove 11 and the second forming groove 25 are matched, and a forming gap 33 is arranged between the first middle template 31 and the second middle template 32, the first forming groove 11, the second forming groove 25 and the forming gap 33 are matched with the carbon fiber pipe, which can be used for the forming and shaping of the carbon fiber pipe.

[0030] One end of the first forming groove 11 is provided with a first mounting groove 12, one end of the second forming groove 25 is provided with a second mounting groove 26, the first mounting groove 12 and the second mounting groove 26 are used for mounting and connecting a mold internal pressurizing system joint, so that the inside of the carbon fiber pipe is pressurized and the carbon fiber overall flange is pressurized, it is a double-acting part, a high-pressure air inlet nozzle system is reserved according to the use condition, and an equalizing pad block is added in the front contact area of the flange, so that the flatness of the flange after forming is ensured.

[0031] Figure 5 It is a structural schematic view of the support frame in the embodiment of the utility model.

[0032] As Figure 5 The carbon fiber pipe forming structure provided by the utility model further includes a support frame 40, the lower die plate 20 is arranged on the support frame 40, the support frame 40 is provided with an angle piece 41, and the lower die plate 20 is positioned and installed, so that the installation precision is improved.

[0033] After the carbon fiber pipe forming structure provided by the utility model is used for a period of time, the edges of the first middle die plate 31 and the second middle die plate 32 are deformed, the upper die plate 10 and the lower die plate 20 do not need to be removed and replaced, only the first middle die plate 31 and the second middle die plate 32 need to be removed and replaced, the replacement is convenient, and the production cost of the carbon fiber pipe is reduced.

[0034] Effects of the embodiment

[0035] The carbon fiber pipe forming structure provided by the utility model includes an upper die plate 10 and a lower die plate 20, a middle die plate unit 30 is arranged between the upper die plate 10 and the lower die plate 20, a part prone to deformation between the upper die plate and the lower die plate in the prior art is separated out to form the middle die plate unit 30, during the use process, only the middle die plate unit 30 needs to be replaced when the production mold is replaced, the replacement is convenient, the production cost of the carbon fiber pipe is reduced, the carbon fiber pipe forming structure provided by the utility model is beneficial to reducing the production cost of the carbon fiber pipe and conveniently replacing the carbon fiber pipe production mold.

[0036] The utility model is described exemplarily above in combination with the drawings. Apparently, the specific implementation of the utility model is not limited by the above manner. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A carbon fiber pipe forming structure characterized by comprising: The utility model relates to a mould, including upper template (10) and lower template (20), be equipped with middle template unit (30) between upper template (10) and lower template (20), middle template unit (30) includes first middle template (31) and second middle template (32), first middle template (31) and second middle template (32) are both arranged between upper template (10) and lower template (20), both sides of first middle template (31) are equipped with first middle glue groove (311) and second middle glue groove (312) respectively, both sides of lower template (20) are equipped with first lower glue groove (21) and second lower glue groove (22) respectively, first middle glue groove (311) is matched with first lower glue groove (21), second middle glue groove (312) is matched with second lower glue groove (22), both sides of second middle template (32) are equipped with third middle glue groove (321) and fourth middle glue groove (322) respectively, both sides of lower template (20) are equipped with third lower glue groove (23) and fourth lower glue groove (24) respectively, third middle glue groove (321) is matched with third lower glue groove (23), fourth middle glue groove (322) is matched with fourth lower glue groove (24), be equipped with first forming groove (11) on upper template (10), be equipped with second forming groove (25) on lower template (20).

2. The carbon fiber tubular member forming structure according to claim 1, characterized by, One end of first forming groove (11) is equipped with first installation groove (12), one end of second forming groove (25) is equipped with second installation groove (26).

3. The carbon fiber tube forming structure according to claim 2, characterized by, Be equipped with forming gap (33) between first middle template (31) and second middle template (32).

4. The carbon fiber tubular member forming structure according to claim 3, characterized by Still include support frame (40), lower template (20) is arranged on support frame (40).