CN104060399B - A kind of cross section is the stereo weaving method of order font pipe fitting - Google Patents
A kind of cross section is the stereo weaving method of order font pipe fitting Download PDFInfo
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- CN104060399B CN104060399B CN201410312358.8A CN201410312358A CN104060399B CN 104060399 B CN104060399 B CN 104060399B CN 201410312358 A CN201410312358 A CN 201410312358A CN 104060399 B CN104060399 B CN 104060399B
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Abstract
The invention discloses a kind of stereo weaving method that cross section is order font pipe fitting, it is characterized in that, the fabric construction of described pipe fitting be more than one deck and one deck two dimension two to or two-dimentional three-dimensional braiding laminated construction; The integral weaving of fabric construction, with core profiling, to ensure molding surface size in fabric, and ensures that lax and flexing do not occur yarn in fabric; Braiding is divided into two parts: inner and outer tubes, interior pipe is as the reinforcement in pipe fitting cross section.Adopting stereo weaving method provided by the invention to prepare cross section is order font pipe fitting, and production process can realize mechanization, and production efficiency improves, quality stability is good, owing to being directly weave on core, and fiber tensioning in fabric, not flexing, fibre strength utilization rate is high; The composite of braiding ply angles is more shock-resistant than traditional ply angles, and endurance, anti-shear performance is good.
Description
Technical field
The present invention relates to a kind of weaving of section tube, particularly a kind of cross section is the stereo weaving technology of order font pipe fitting, belongs to stereo weaving technical field.
Background technology
Automotive light weight technology is the important technical of energy-saving and emission-reduction, comes with composite the important development direction that substituted metal is loss of weight.The application of composite on automobile is from non-structural part, and people develop the application on structural member gradually.
Current people prepare the method that composite material automobile structural member substantially still adopts traditional laying.Tradition laying method is prepared sheet material ratio and is easier to, but when preparing pipe fitting particularly section tube time be just difficult to, such as bending pipe fitting, along the variable cross-section pipe fitting of part length direction shape of cross section and change in size, there is the pipe fitting of reinforcement in cross section, be just difficult to realize by traditional laying method.
New-energy automobile has a kind of bending pipe fitting, its cross section is order font, is difficult to preparation by current composite tradition laying method; This beam requires shock resistance as structural member, and traditional laminated composite shock resistance is lower; Auto parts and components require that preparation efficiency is high, batch production, and traditional laying method is prepared section tube and need be assisted by hand in a large number, are not suitable for batch production.
Summary of the invention
The technical problem being traditional laying method must be auxiliary by hand in a large number when preparing section tube to be solved by this invention, provides a kind of stereo weaving method to realize the method for required cross section geometric structure multiply cloth.
In order to solve the problem, the invention provides a kind of stereo weaving method that cross section is order font pipe fitting, it is characterized in that, the fabric construction of described pipe fitting be more than one deck and one deck two dimension two to or two-dimentional three-dimensional braiding laminated construction; The integral weaving of fabric construction, with core profiling, to ensure molding surface size in fabric, and ensures that lax and flexing do not occur yarn in fabric; Braiding is divided into two parts: inner and outer tubes, interior pipe is as the reinforcement in pipe fitting cross section.
Preferably, described braid method specifically comprises the following steps:
Step 1): weave respectively on 3 interior tube core moulds in 3 and manage, reach the thick and appearance and size of inner tubal wall forming reinforcement and need;
Step 2): using step 1) the interior pipe of tube core mould is arranged in juxtaposition as outer tube core in obtained 3 bands, knit outer on tube core mould outside, reaches the braiding number of plies and appearance and size that outer tube needs;
Step 3): in taking out, namely tube core mould obtains the pipe fitting that cross section is order font.
Preferably, described cross section is the pipe fitting of order font is straight pipe or bending pipe fitting along its length.
Preferably, described cross section is that the cross sectional dimensions of the pipe fitting of order font can change along tubular length direction.
Preferably, described cross section is that the shape of cross section of the pipe fitting of order font can change along tubular length direction.
Preferably, to be the cross section of the pipe fitting of order font be described cross section has the shape of two vertical reinforcements in housing, and housing is polygon, ellipse, circle or similar rectangle.
Further, described housing is quadrangle.
Further, described housing is rectangle or trapezoidal.
Adopting stereo weaving method provided by the invention to prepare cross section is order font pipe fitting, and production process can realize mechanization, and production efficiency improves, quality stability is good, owing to being directly weave on core, and fiber tensioning in fabric, not flexing, fibre strength utilization rate is high; The composite of braiding ply angles is more shock-resistant than traditional ply angles, and endurance, anti-shear performance is good.From article cross sections, outer tube wall thickness uniform throughout, the uniform wall thickness of the reinforcement in outer tube, and outer tube wall thickness can be identical with reinforcement wall thickness, can be different, and select flexibly, designability is strong.
Accompanying drawing explanation
Step 1 in Fig. 1 embodiment) schematic diagram;
Step 2 in Fig. 2 embodiment) schematic diagram;
Step 3 in Fig. 3 embodiment) schematic diagram;
Step 4 in Fig. 4 embodiment) schematic diagram;
The cross sectional representation of Fig. 5 to be cross section that embodiment obtains be order font pipe fitting;
The cross sectional representation of Fig. 6 to be cross section housing be oval order font pipe fitting;
The cross sectional representation of Fig. 7 to be cross section housing be order font pipe fitting of similar rectangle;
The cross sectional representation of Fig. 8 to be cross section housing be circular order font pipe fitting;
The cross sectional representation of Fig. 9 to be cross section housing be hexagonal order font pipe fitting;
The cross sectional representation of Figure 10 to be cross section housing be trapezoidal order font pipe fitting.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment
A kind of cross section is that the concrete steps of the stereo weaving method of order font pipe fitting are as follows:
Step 1): on 3 interior tube core moulds 2, weave 3 interior pipes 1 respectively, reach the thick and appearance and size of inner tubal wall forming reinforcement and need, as shown in Figure 1;
Step 2): by 3 steps 1) the interior pipe 1 of tube core mould 2 is arranged in a row in obtained band, composition outer tube core, as shown in Figure 2;
Step 3): knit outer 3 on tube core mould outside, now the wall thickness of outer tube 3 adds that the order font cross section pipe fitting housing wall thickness that the wall thickness of interior pipe 1 is formed is identical with the thickness of the reinforcement that the wall thickness of adjacent two interior pipes 1 forms, as shown in Figure 3, the cross section at this moment formed is that wall thickness is identical everywhere for the pipe fitting of order font;
Step 4): continue knit outer 3, outer tube 3 is made to reach the braiding number of plies and the appearance and size of outer tube needs, as shown in Figure 4, the cross section formed is that the wall thickness of internal stiffeners in the pipe fitting cross section of order font is less than pipe wall thickness, pipe wall thickness uniform throughout, the wall thickness of inner two reinforcements is identical;
Step 5): by step 4) obtained pipe fitting together with core 2, in fabric, infiltrate resin by liquid molding process such as resin transfer moldings, and solidify, after solidification, remove core 2, obtain the pipe fitting that cross section is order font, as shown in Figure 5.
Above-mentioned stereo weaving method is in preparation process, and fabric is stereo weaving on mould, and fabric additional deformation can not occur, and fiber can not relax, and the tube wall thickness of preparation is even, can not cause composite material element stress raisers because wall unevenness is even.
Adopt said method, also can the Formation cross-section shape pipe fitting fabric with internal stiffeners miscellaneous, as illustrated in figures 6-10, pipe fitting exploded cross-sectional inside with reinforcement for by outer tube 3 and in several pipe 1 form, interior pipe 1 is for the formation of reinforcement.Pipe 1 fabric in first preparing on interior tube core mould 2, again pipe in these 1 is combined formation outer tube core together with tube core mould 2 in it, knit outer 3 on tube core mould outside, form desired composite preform, last together with mould by composite material shaping process such as resin transfer moldings, resin by injection in fabric, curing molding, remove interior tube core mould 2 again, just obtain the composite pipe in desired cross section with reinforcement.
Claims (8)
1. cross section is a stereo weaving method for order font pipe fitting, it is characterized in that, the fabric construction of described pipe fitting be one deck two dimension two to or two-dimentional three-dimensional and one deck more than two dimension two to or two-dimentional three-dimensional braiding laminated construction; The integral weaving of fabric construction, with core (2) profiling, to ensure molding surface size in fabric, and ensures that lax and flexing do not occur yarn in fabric; Braiding is divided into two parts: interior pipe (1) and outer tube (3), interior pipe (1) is as the reinforcement in pipe fitting cross section.
2. cross section as claimed in claim 1 is the stereo weaving method of order font pipe fitting, it is characterized in that, specifically comprises the following steps:
Step 1): weave respectively on 3 interior tube core moulds (2) in 3 and manage (1), reaches the thick and appearance and size of inner tubal wall forming reinforcement and need;
Step 2): be arranged in juxtaposition as outer tube core using the interior pipe (1) of tube core mould (2) in 3 obtained for step 1) bands, knit outer (3) on tube core mould outside, reaches the braiding number of plies and the appearance and size of outer tube needs;
Step 3): in taking out, tube core mould (2) namely obtains the pipe fitting that cross section is order font.
3. cross section as claimed in claim 2 is the stereo weaving method of order font pipe fitting, it is characterized in that, described cross section is the pipe fitting of order font is straight pipe or bending pipe fitting along its length.
4. cross section as claimed in claim 2 is the stereo weaving method of order font pipe fitting, and it is characterized in that, described cross section is that the cross sectional dimensions of the pipe fitting of order font can change along tubular length direction.
5. cross section as claimed in claim 2 is the stereo weaving method of order font pipe fitting, and it is characterized in that, described cross section is that the shape of cross section of the pipe fitting of order font can change along tubular length direction.
6. cross section as claimed in claim 2 is the stereo weaving method of order font pipe fitting, it is characterized in that, to be the cross section of the pipe fitting of order font be described cross section has the shape of two vertical reinforcements in housing, and housing is polygon, ellipse or circular.
7. cross section as claimed in claim 6 is the stereo weaving method of order font pipe fitting, and it is characterized in that, described housing is quadrangle.
8. cross section as claimed in claim 7 is the stereo weaving method of order font pipe fitting, and it is characterized in that, described housing is rectangle or trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312358.8A CN104060399B (en) | 2014-07-02 | 2014-07-02 | A kind of cross section is the stereo weaving method of order font pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312358.8A CN104060399B (en) | 2014-07-02 | 2014-07-02 | A kind of cross section is the stereo weaving method of order font pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104060399A CN104060399A (en) | 2014-09-24 |
| CN104060399B true CN104060399B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410312358.8A Expired - Fee Related CN104060399B (en) | 2014-07-02 | 2014-07-02 | A kind of cross section is the stereo weaving method of order font pipe fitting |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113136646B (en) * | 2021-03-01 | 2022-09-09 | 西安理工大学 | Method for customizing protective equipment product in personalized mode |
Citations (4)
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|---|---|---|---|---|
| US5225262A (en) * | 1991-04-29 | 1993-07-06 | A. W. Chesterton Co. | Braided high-temperature packing comprising a core of folded flexible graphite sheet |
| CN102051764A (en) * | 2011-01-11 | 2011-05-11 | 东华大学 | Three-dimensionally braiding method of indented pyramid sleeve fabric |
| CN102102276A (en) * | 2011-01-11 | 2011-06-22 | 东华大学 | Net-size preparation method of three-dimensional woven pyramid sleeve |
| CN103276527A (en) * | 2013-06-20 | 2013-09-04 | 宜兴市华恒高性能纤维织造有限公司 | Device and method for realizing integral knitting for horizontal division area structures |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440648A (en) * | 1987-08-05 | 1989-02-10 | Nippon Pillar Packing | Lattice knitting structure and its production |
| JPH0790552B2 (en) * | 1991-04-26 | 1995-10-04 | 東レ株式会社 | Reinforcing tubular preform material |
| JP3591347B2 (en) * | 1998-12-15 | 2004-11-17 | 株式会社豊田自動織機 | Fiber structure for filling voids |
| JP4701439B2 (en) * | 2005-09-16 | 2011-06-15 | 村田機械株式会社 | Sutured braid FRP pipe with impact energy absorption performance |
-
2014
- 2014-07-02 CN CN201410312358.8A patent/CN104060399B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225262A (en) * | 1991-04-29 | 1993-07-06 | A. W. Chesterton Co. | Braided high-temperature packing comprising a core of folded flexible graphite sheet |
| CN102051764A (en) * | 2011-01-11 | 2011-05-11 | 东华大学 | Three-dimensionally braiding method of indented pyramid sleeve fabric |
| CN102102276A (en) * | 2011-01-11 | 2011-06-22 | 东华大学 | Net-size preparation method of three-dimensional woven pyramid sleeve |
| CN103276527A (en) * | 2013-06-20 | 2013-09-04 | 宜兴市华恒高性能纤维织造有限公司 | Device and method for realizing integral knitting for horizontal division area structures |
Non-Patent Citations (1)
| Title |
|---|
| 目字形立体机织物预制件的织制;刘海文等;《棉纺织技术》;20060910;第34卷(第9期);第26-28页 * |
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