CN221161561U - Reducing carbon fiber tube forming tool - Google Patents
Reducing carbon fiber tube forming tool Download PDFInfo
- Publication number
- CN221161561U CN221161561U CN202323205042.2U CN202323205042U CN221161561U CN 221161561 U CN221161561 U CN 221161561U CN 202323205042 U CN202323205042 U CN 202323205042U CN 221161561 U CN221161561 U CN 221161561U
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- air bag
- carbon fiber
- fiber tube
- pair
- metal pieces
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 65
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 65
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 38
- 238000007723 die pressing method Methods 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 238000000748 compression moulding Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 description 26
- 238000003825 pressing Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
The utility model discloses a reducing carbon fiber tube forming tool which comprises a die base, wherein the die base is a plate with a rectangular structure, and at least one pair of die pressing plates are arranged on the die base; the die base is provided with an air bag control assembly corresponding to the die pressing plate; the utility model relates to the technical field of carbon fiber tube forming, in which an existing metal prefabricated mandrel is changed into a forming control air bag controlled by air pressure to form the inside of a carbon fiber tube by adopting a compression molding mode, the forming mode is changed into one-step curing forming, the reducing procedure improves the efficiency, meanwhile, the reducing carbon fiber tube with a necking mode can be formed, the shape in the tube is more changeable, the demoulding after the carbon fiber tube is formed is convenient, and the air bag can be separated from the carbon fiber tube only by deflating the air bag and changing the air pressure in the air bag.
Description
Technical Field
The utility model relates to the technical field of carbon fiber tube forming, in particular to a reducing carbon fiber tube forming tool.
Background
Carbon fiber is an emerging material, and is a lightweight material favored in various fields by virtue of the performance advantages of high tensile strength, good energy absorption, shock resistance, corrosion resistance and the like, and is one of the carbon fiber base products with the widest application range and the largest quantity at present, and is widely applied to various fields of automobiles, sports, sport protection and the like.
The carbon fiber tube forming process at the present stage is widely applied mainly in two ways, one is pultrusion, and the forming process is a method for continuously producing carbon fiber linear products through gum dipping, extrusion forming, heating curing, fixed length cutting under the traction of external force, and has the advantages of stable quality, free cutting of length and the like, but the corresponding carbon fiber tube forming process has the advantages of monotonous product shape, only linear profiles can be produced, and the defects of low transverse strength, high longitudinal tensile strength and environmental protection caused by single fiber direction; the other is a compression molding process, mainly uses carbon fiber prepreg, adopts the steps of cutting the prepreg, laying the prepreg according to a certain angle, putting the prepreg into compression molding, heating, pressurizing, curing and molding, and has the advantages of accurate and stable size, good mechanical property and controllable resin content;
However, the existing compression molding equipment is limited by the molding mode that the prefabricated member is molded, cured and then molded, so that the automatic production device has low automation degree and low production efficiency, only has the structural form that the inside of the carbon fiber tube is the same in inner diameter or one end is large and the other end is small, and is convenient for demolding, and is not suitable for the carbon fiber tube with the necking form.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a reducing carbon fiber tube forming tool, which solves the problems of the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the variable-diameter carbon fiber tube forming tool comprises a die base, wherein the die base is a plate with a rectangular structure, and at least one pair of die pressing plates are arranged on the die base;
The die base is provided with an air bag control assembly corresponding to the die pressing plate;
the air bag control assembly comprises a pair of air bag limiting seats, a pair of air bag limiting seats are assembled at two ends of the die base, a pair of air bag metal pieces are assembled on the air bag limiting seats respectively, the air bag metal pieces are clamped with the air bag limiting seats, the air bag metal pieces are coaxially and oppositely arranged, the head end of one air bag metal piece is connected with a forming control air bag, one side of the air bag mouth metal piece is connected with a pair of air bag mouth nuts in a threaded mode, and a pair of air bag mouth plugs are embedded at the end portions of the air bag metal pieces through the air bag mouth nuts.
Preferably, the pair of air bag metal pieces are metal pieces with a pair of tubular structures and outer hexagonal structure limiting plates are arranged at the ends of the air bag metal pieces.
Preferably, the air bag mouth plug is of a part conical structure and is provided with a through hole on the middle shaft of the air bag mouth plug.
Preferably, the end of the die base is provided with a head end limiting seat, and the head end limiting seat is buckled on the upper part of the air bag metal piece.
Preferably, the air bag limiting seat and the head end limiting seat are fixed on the die base through bolts or bolts respectively.
Preferably, a lower molding half groove is formed between a pair of air bag metal pieces on the die base, and an upper molding half groove is formed on the die pressing plate corresponding to the lower molding half groove.
Preferably, the lower molding half groove and the upper molding half groove enclose a cylindrical cavity structure together, and a carbon fiber necking pipe is arranged between the upper molding half groove and the lower molding half groove.
Advantageous effects
The utility model provides a reducing carbon fiber tube forming tool. The beneficial effects are as follows: this reducing carbon fiber tube shaping frock adopts compression molding's mode, changes current metal preformed mandrel into by the shaping control gasbag of atmospheric pressure control to the shaping in the carbon fiber tube, and the shaping mode changes into one shot curing shaping, and specific advantage is as follows:
1. The demolding after the carbon fiber tube is molded is convenient, and the air bag is only required to be deflated, so that the air pressure in the air bag is changed, and the air bag is separated from the carbon fiber tube;
2. The variable-diameter carbon fiber tube with a necking mode can be formed, and the shape is adjusted according to the requirement when the air bag is prefabricated, so that the structure of the carbon fiber tube is more changeable;
3. and (3) putting a set of die into the die to manufacture the carbon fiber pipe fitting with fixed external dimensions and shapes and different wall thicknesses.
Drawings
Fig. 1 is a schematic diagram of a first perspective structure of a reducing carbon fiber tube forming tool according to the present utility model.
Fig. 2 is a schematic diagram of a second perspective structure of the reducing carbon fiber tube forming tool according to the present utility model.
Fig. 3 is a schematic top view of a reducing carbon fiber tube forming tool according to the present utility model.
Fig. 4 is a schematic side view and cross-sectional structure diagram of a reducing carbon fiber tube forming tool according to the present utility model.
Fig. 5 is a schematic diagram of a partial enlarged structure of a reducing carbon fiber tube forming tool according to the present utility model.
In the figure: 1. a mold base; 2. a mold pressing plate; 3. an air bag limiting seat; 4. an air bag metal piece; 5. forming a control air bag; 6. an air bag nozzle nut; 7. an air bag mouth plug; 8. a head end limit seat; 9. carbon fiber necking pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides an embodiment: in order to solve the problems that the prior art in the prior art indicates that the molding processing technology of the carbon fiber tube is limited by the molding mode that the prefabricated member is molded and solidified and then is molded and solidified, the automatic molding processing technology has low automation degree and low production efficiency, only has the structure mode that the inside diameter is the same or one end is large and the other end is small, and is convenient for demolding inside the carbon fiber tube, and is not suitable for the carbon fiber tube with a necking mode. The carbon fiber composite material is internally pressurized by generating expansion force through inflating an air bag, and simultaneously, the metal outer mold is pressurized and heated, so that the carbon fiber composite material is solidified, and a carbon fiber special-shaped pipe fitting, in particular a variable-diameter carbon fiber pipe forming tool, is obtained, wherein the tool takes a mold base 1 as an installation main body and supports, at least one pair of mold pressing plates 2 are arranged on the mold base 1, grooves matched with the mold pressing plates 2 as carbon fiber pipe forming grooves are formed on the mold base 1 according to the number of the mold pressing plates 2, the mold pressing plates 2 are fixed on the forming grooves through screws or pins, the mold pressing plates 2 and the mold base 1 are heated during forming, and the mold pressing plates 2 are pressurized, so that the outer extrusion forming of the carbon fiber pipe is completed under the cooperation of the mold pressing plates 2 and the mold base 1;
In the prior art, a prefabricated metal mandrel is adopted for forming the inner groove of the carbon fiber tube, and the air bag control assembly is arranged for forming the inner groove of the carbon fiber tube; in the concrete implementation process, a pair of air bag limiting seats 3 are assembled at two ends of the die base 1, a pair of air bag limiting seats 3 are used as limiting installation devices for installing and fixing a pair of air bag metal pieces 4, the pair of air bag metal pieces 4 are used as central structures for communicating an inner cavity of a carbon fiber tube and an air supply tube of an external air pump, the air bag metal pieces 4 are embedded into the tail ends of the air bag metal pieces 4 through air bag mouth nuts 6, the air bag mouth plugs 7 of one side of the air bag metal pieces 4 are closed in use, the air supply tube of the external air pump is connected with the air bag mouth plugs 7 of the other side, meanwhile, the head ends of the air bag metal pieces 4 of the side are connected with a forming control air bag 5, high-pressure air is introduced into the forming control air bag 5 through the air bag mouth plugs 7, the forming control air bag 5 is inflated to generate expansion force to pressurize the inside of a carbon fiber composite material, and simultaneously pressurize and heat the metal outer die, so that the inner cavity of the carbon fiber composite material is solidified, the forming control air bag 5 can be manufactured into a shape according to requirements, and the special-shaped air bag 5 can be directly released in the air bag during demoulding, and the carbon fiber composite material can be conveniently solidified.
As the preferable scheme, further, the pair of air bag metal pieces 4 are metal pieces with a pair of tubular structures and the end parts provided with the limiting plates with the outer hexagonal structures, the structure is simple and convenient to process, and the purposes of limiting installation and protecting the air bag mouth plugs 7 are achieved.
As a preferred scheme, the air bag mouth plug 7 is of a partial conical structure, and a through hole is formed in the middle shaft of the air bag mouth plug 7, wherein the through hole is used for injecting external high-pressure air into the forming control air bag 5.
As a preferred scheme, still further, the tip of mould base 1 is provided with the spacing seat 8 of head end, and the spacing seat 8 lock of head end is in the upper portion of gasbag metalwork 4, and is further spacing to gasbag metalwork 4.
As the preferable scheme, further, the air bag limiting seat 3 and the head end limiting seat 8 are fixed on the die base 1 through bolts or bolts respectively, so that the air bag limiting seat is convenient to assemble and disassemble.
As a preferred scheme, further, a lower molding half groove is formed between a pair of air bag metal pieces 4 on the die base 1, an upper molding half groove is formed on the die pressing plate 2 corresponding to the lower molding half groove, and the upper molding half groove and the lower molding half groove are corresponding to each other and are molding spaces of carbon fiber tubes.
As a preferable scheme, the lower molding half groove and the upper molding half groove jointly enclose a cylindrical cavity structure, a carbon fiber necking pipe 9 is arranged between the upper molding half groove and the lower molding half groove, and the inner cavity of the carbon fiber necking pipe 9 is consistent with the shape and the system of the molding control air bag 5 after being unfolded.
In summary, it can be seen that the variable diameter carbon fiber tube forming tool adopts a compression molding mode, the existing metal prefabricated mandrel is changed into a molding control air bag 5 controlled by air pressure to form the inside of the carbon fiber tube, the molding mode is changed into one-step curing molding, the reducing procedure improves the efficiency, the variable diameter carbon fiber tube with a necking form can be formed, the shape inside the tube is more changeable, the carbon fiber tube with fixed external dimension and shape can be manufactured by putting into a set of die, but the degree of freedom of processing is greatly improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a reducing carbon fiber tube shaping frock, includes mould base (1), mould base (1) is the plate of rectangle structure, its characterized in that, be provided with at least a pair of mould clamp plate (2) on mould base (1);
an air bag control assembly is arranged on the die base (1) corresponding to the die pressing plate (2);
The air bag control assembly comprises a pair of air bag limiting seats (3), a pair of air bag limiting seats (3) are assembled at two ends of the die base (1), a pair of air bag metal pieces (4) are assembled on the air bag limiting seats (3) respectively, the air bag metal pieces (4) are clamped with the air bag limiting seats (3), the air bag metal pieces (4) are coaxially and oppositely arranged, the head end of one air bag metal piece (4) is connected with a forming control air bag (5), one side of the air bag mouth metal piece is connected with a pair of air bag mouth nuts (6) in a threaded mode, and a pair of air bag mouth plugs (7) are embedded at the end portions of the air bag metal pieces (4) through the air bag mouth nuts (6).
2. The reducing carbon fiber tube forming tool according to claim 1, wherein the pair of air bag metal pieces (4) are metal pieces with a pair of tubular structures and outer hexagonal structure limiting plates are arranged at the ends of the air bag metal pieces.
3. The reducing carbon fiber tube forming tool according to claim 2, wherein the air bag nozzle plug (7) is of a partial conical structure and is provided with a through hole on the center shaft of the air bag nozzle plug (7).
4. A reducing carbon fiber tube forming tool according to claim 3, wherein a head end limiting seat (8) is arranged at the end part of the die base (1), and the head end limiting seat (8) is buckled on the upper part of the air bag metal piece (4).
5. The reducing carbon fiber tube forming tool according to claim 4, wherein the air bag limiting seat (3) and the head end limiting seat (8) are fixed on the die base (1) through bolts or bolts respectively.
6. The reducing carbon fiber tube forming tool according to claim 5, wherein a lower forming half groove is formed between a pair of air bag metal pieces (4) on the die base (1), and an upper forming half groove is formed on the die pressing plate (2) corresponding to the lower forming half groove.
7. The reducing carbon fiber tube forming tool according to claim 6, wherein the lower forming half groove and the upper forming half groove jointly enclose a cylindrical cavity structure, and a carbon fiber necking pipe (9) is arranged between the upper forming half groove and the lower forming half groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323205042.2U CN221161561U (en) | 2023-11-27 | 2023-11-27 | Reducing carbon fiber tube forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323205042.2U CN221161561U (en) | 2023-11-27 | 2023-11-27 | Reducing carbon fiber tube forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221161561U true CN221161561U (en) | 2024-06-18 |
Family
ID=91534993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323205042.2U Active CN221161561U (en) | 2023-11-27 | 2023-11-27 | Reducing carbon fiber tube forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221161561U (en) |
-
2023
- 2023-11-27 CN CN202323205042.2U patent/CN221161561U/en active Active
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