CN110318140A - A kind of weaving method for realizing that the not equal layers fabric of four step rule is integrated weaved - Google Patents
A kind of weaving method for realizing that the not equal layers fabric of four step rule is integrated weaved Download PDFInfo
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- CN110318140A CN110318140A CN201910365887.7A CN201910365887A CN110318140A CN 110318140 A CN110318140 A CN 110318140A CN 201910365887 A CN201910365887 A CN 201910365887A CN 110318140 A CN110318140 A CN 110318140A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D25/00—Woven fabrics not otherwise provided for
- D03D25/005—Three-dimensional woven fabrics
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
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Abstract
The present invention discloses a kind of weaving method for realizing that the not equal layers fabric of four step rule is integrated weaved, and in four step braiding array, note line number is m, columns n, and four step rule three-dimensional braiding preforms are expressed as " four step rule m × n braiding ", four step rule m × n1With m × n2Braiding is n1With n2Layer fabric carries out integrated weaved, and n by four step rule1≠n2.The type of weave of the method for the present invention is versatile and flexible, and preparation process is simple, it is easy to accomplish, and can guarantee the interlayer performance of woven precast body.
Description
Technical field
The invention belongs to three dimensional weaving technique fields, are related to a kind of weaving method of not equal layers fabric of 3 D weaving, specifically
It is related to a kind of weaving method of not equal layers fabric of four step braiding.
Background technique
Compared to traditional material, three-dimensional braided structure composite material is big with specific strength, light weight, specific stiffness are high, corrosion-resistant
The features such as property and material designability, be therefore widely used in aerospace, weapon industry, bioengineering, construction material with
And many high-tech sectors such as communications and transportation.Three-dimensional braided structure composite material first knits fibre bundle according to certain space structure
Preform is caused, is then formed by curing composite material with matrix again.Three-dimensional braiding preforms are earlier 1970s
The high-new textile technology product to grow up, is mainly used as composite material reinforcement body or skeleton.Using three dimensional fabric as reinforcement
D braided composites overcome that Test of Laminate Composites inter-layer bonding force is poor well, be easy to appear lacking for delamination failure
It falls into.It is not stratified since the structural integrity of three-dimensional braiding preforms is good, thus be military project, national defence, aerospace and civilian spy
Novel weaved product in different field.
Four step rule 3 D weaving fabric is most common a kind of braiding structure, it, will based on four step braiding technology
Fibre bundle is mutually wound according to certain rule, is formed and is interted staggered " spatial networks " structure by multiple directions fibre bundle,
The concept of " layer " is eliminated, thoroughly compensating for other structures, intensity and modulus performance is poor in a thickness direction, interlaminar shear strength
The defects of horizontal lower with damage tolerance.Meanwhile four step rule three dimensional weaving technique also has excellent adaptivity, it not only can be with
The fabric of the conventional structures such as rectangle and tubular section is woven, special-shaped section of T-type beam, L-type beam or I-beam etc. can also be woven
Face fabric even changing cross-section fabric.
But existing four step braiding technology can only meet single patterns for knitting only in equal layers weaving textile, ineffective
It is living.
Summary of the invention
The object of the present invention is to provide a kind of weaving methods for realizing that the not equal layers fabric of four step rule is integrated weaved, solve
Existing four step braiding is in the form of a single, inflexible problem.
The purpose of the present invention can be implemented with the following technical solutions:
A kind of weaving method for realizing that the not equal layers fabric of four step rule is integrated weaved, in four step braiding array, note row
Counting is m, columns n, and four step rule three-dimensional braiding preforms are expressed as " four step rule m × n braiding ", four step rule m × n1With m × n2It compiles
Knit i.e. n1With n2Layer fabric carries out integrated weaved, and n by four step rule1≠n2, concrete operation step are as follows:
The first step, m × n1Braiding i.e. braiding n1Layer fabric odd column moves a step distance along Y-direction, and even column is reversely transported
A step distance is moved, wherein last column is fixed；M × n simultaneously2Braiding is n2Layer even column moves a stepping along Y-direction
Distance, one step distance of odd column counter motion, wherein first row is fixed；
Second step, m × n1Braiding i.e. braiding n1Layer fabric even number line is reversely transported along X to a step distance, odd-numbered line is moved
Move a step distance；M × n simultaneously2Braiding is n2Layer even number line is along X to moving a step distance, odd-numbered line counter motion one
A step distance；N at this time1And n2The first row and last line are fixed when layer braiding；
Third step, by n2The last one yarn taken on yarn bar of the first row of layer braiding is transferred to n1Layer braiding last
The last one vacancy is arranged to take on yarn bar；Successively by n1The yarn transfer taken yarn bar on of last column of layer braiding along vacancy every one
To n2Layer braiding first row changes yarn and takes on yarn bar；By n2First yarn taken on yarn bar of first row of layer braiding is transferred to n1Layer
Last column of braiding change yarn and take on yarn bar；By n1Layer braiding second yarn taken on yarn bar of last column is transferred to n2Layer is compiled
It knits first row and changes yarn and take on yarn bar；By n1Layer braiding first yarn taken on yarn bar of last column is transferred to n1Layer braiding is most
Latter column change yarn and take on yarn bar；
4th step, m × n1Braiding i.e. braiding n1Layer fabric even column moves a step distance along Y-direction, and odd column is reversely transported
A step distance is moved, wherein last column is fixed；M × n simultaneously2Braiding is n2Layer odd column moves a stepping along Y-direction
Distance, one step distance of even column counter motion, wherein first row is fixed；
5th step, m × n1Braiding i.e. braiding n1Layer fabric odd-numbered line is reversely transported along X to a step distance, even number line is moved
Move a step distance；M × n simultaneously2Braiding is n2Layer odd-numbered line is along X to moving a step distance, even number line counter motion one
A step distance, at this time n1And n2The first row and last line are fixed when layer braiding；
6th step, by n2First yarn taken on yarn bar of first row of layer braiding is transferred to n1Last column of layer braiding
It takes on yarn bar in first vacancy；Successively by n1Last yarn on yarn bar of taking of column along vacancy every one of layer braiding is transferred to n2
Layer braiding first row changes yarn and takes on yarn bar；By n2The last one yarn taken on yarn bar of the first row of layer braiding is transferred to n1Layer is compiled
Last column knitted change yarn and take on yarn bar；By n1Layer weaves the yarn that last column penultimate is taken on yarn bar and is transferred to n2Layer
Braiding first row changes yarn and takes on yarn bar；By n1Layer braiding last arrange the yarn that the last one is taken on yarn bar and be transferred to n1Layer braiding
Last column change yarn and take on yarn bar；
7th step after finishing changing yarn, is restored to original position, repeats above-mentioned 6 steps along with urgent movement and fabric output
Braiding process is completed in movement.
As a kind of optimal technical scheme, n1 is 9 layers of fabric, and n2 is 5 layers of fabric, the concrete operation step of this method are as follows:
The first step, the 1st column and the 3rd column of 9 layers of fabric move a step distance separately down, and the 2nd column move upwards one
A step distance, the 4th column are motionless；5 layers of fabric the 2nd column and the 4th column move a step distance separately down simultaneously, the 3rd arrange to
One step distance of upper movement, the 1st column are motionless；
Second step, 9 layers of fabric the 2nd, 4,6,8 rows move right a step distance respectively, the 3rd, 5,7,9 rows respectively to
One step distance of left movement；Simultaneously 5 layers of fabric the 2nd, 4 rows move right a step distance respectively, the 3rd, 5 rows respectively to
One step distance of left movement, the first row and last line are fixed when 9 layers and 5 layers braiding at this time；
The yarn that 5 layers weave on 2 positions is transferred on 1 position of 9 layers of braiding by third step after transverse movement；Successively
The yarn that 9 layers weave on 3 positions is transferred on 2 positions of 5 layers of braiding；Yarn on 5 layers of upper 4 position of braiding is transferred to 9
On 3 positions of layer braiding；The yarn on 5 positions is woven by 9 layers to be transferred on 5 layers of 4 position of braiding；It will be on 9 layers of 6 position of braiding
Yarn is transferred on 5 positions of 9 layers of braiding；
4th step, the 1st column and the 3rd column of 9 layers of fabric move upwards a step distance respectively, and the 2nd column move downward one
A step distance, the 4th column are motionless；5 layers of fabric the 2nd column and the 4th column move upwards a step distance respectively simultaneously, the 3rd arrange to
One step distance of lower movement, the 1st column are motionless；
5th step, 9 layers of fabric the 2nd, 4,6,8 rows move downward a step distance respectively, the 3rd, 5,7,9 rows respectively to
One step distance of right movement；Simultaneously 5 layers of fabric the 2nd, 4 rows move downward a step distance respectively, the 3rd, 5 rows respectively to
One step distance of right movement, the first row and last line are fixed when 9 layers and 5 layers braiding at this time；
Yarn on 2 positions of 5 layers of braiding is transferred on 1 position of 9 layers of braiding by the 6th step after transverse movement；According to
The secondary yarn by 9 layers of 3 position of braiding is transferred on 5 layers of 2 position of braiding；Yarn on 4 positions of 5 layers of braiding is transferred to 9
On 3 positions of layer braiding；The yarn on 5 positions is woven by 9 layers to be transferred on 5 layers of 4 position of braiding；It will be on 9 layers of 6 position of braiding
Yarn is transferred on 5 positions of 9 layers of braiding；
7th step, is changed after yarn, restores position, repeats above-mentioned 6 steps along with urgent movement and fabric output movement
Complete braiding process.
Beneficial effects of the present invention:
The type of weave of the method for the present invention is versatile and flexible, and preparation process is simple, it is easy to accomplish, and can guarantee to be woven
The interlayer performance of precast body.
Detailed description of the invention
Fig. 1 the method for the present invention step 1 weaving schematic diagram.
Fig. 2 the method for the present invention step 2 weaving schematic diagram.
Fig. 3 the method for the present invention step 3 weaving schematic diagram.
Fig. 4 the method for the present invention step 4 weaving schematic diagram.
Fig. 5 the method for the present invention step 5 weaving schematic diagram.
Fig. 6 the method for the present invention step 6 weaving schematic diagram.
Fig. 7 the method for the present invention step 7 braiding structure schematic diagram.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments
The present invention is a kind of not equal integrated weaving method of layers fabric of realization four step rule, the movement of yarn during braiding
Regular (by taking 9 layers of fabric and 5 layers of weaving textile as an example):
As shown in Figure 1, the 1st column and the 3rd column of 9 layers of fabric move a step distance separately down, the 2nd column are moved upwards
One step distance, the 4th column are motionless；5 layers of column of fabric the 2nd and the 4th column move a step distance, the 3rd column separately down simultaneously
A step distance is moved upwards, the 1st column are motionless；
As shown in Fig. 2, the 2nd of 9 layers of fabric the, 4,6,8 rows move right a step distance respectively, the 3rd, 5,7,9 rows point
A step distance is not moved downward；Simultaneously 5 layers of fabric the 2nd, 4 rows move right a step distance respectively, the 3rd, 5 rows point
A step distance is not moved downward, and the first row and last line are fixed when 9 layers and 5 layers braiding at this time；
As shown in figure 3, the yarn that 5 layers weave on 2 positions is transferred on 1 position of 9 layers of braiding by after transverse movement；
Successively the yarn that 9 layers weave on 3 positions is transferred on 2 positions of 5 layers of braiding；By the yarn transfer on 5 layers of upper 4 position of braiding
On 3 positions woven to 9 layers；The yarn on 5 positions is woven by 9 layers to be transferred on 5 layers of 4 position of braiding；By 9 layers of 6 position of braiding
On yarn be transferred to 9 layers braiding 5 positions on；
As shown in figure 4, the 1st column and the 3rd column of 9 layers of fabric move upwards a step distance respectively, the 2nd column are moved downward
One step distance, the 4th column are motionless；5 layers of column of fabric the 2nd and the 4th column move upwards a step distance, the 3rd column respectively simultaneously
A step distance is moved downward, the 1st column are motionless；
As shown in figure 5, the 2nd of 9 layers of fabric the, 4,6,8 rows move downward a step distance respectively, the 3rd, 5,7,9 rows point
A step distance is not moved right；Simultaneously 5 layers of fabric the 2nd, 4 rows move downward a step distance respectively, the 3rd, 5 rows point
A step distance is not moved right, and the first row and last line are fixed when 9 layers and 5 layers braiding at this time；
As shown in fig. 6, the yarn on 2 positions of 5 layers of braiding to be transferred to 1 positions of 9 layers of braiding by after transverse movement
On；Successively the yarn on 3 positions is woven by 9 layers to be transferred on 5 layers of 2 position of braiding；The yarn on 4 positions that 5 layers are woven turns
It moves on on 3 positions of 9 layers of braiding；The yarn on 5 positions is woven by 9 layers to be transferred on 5 layers of 4 position of braiding；6 are woven by 9 layers
The yarn set is transferred on 5 positions of 9 layers of braiding；
As shown in fig. 7, restoring position after changing yarn.Above-mentioned 6 steps are constantly repeated along with urgent movement and fabric are defeated
Movement can complete braiding process out.
The type of weave of the method for the present invention is versatile and flexible, and preparation process is simple, it is easy to accomplish, and can guarantee to be woven
The interlayer performance of precast body.
Claims (2)
1. a kind of weaving method for realizing that the not equal layers fabric of four step rule is integrated weaved, which is characterized in that in four step braiding battle array
In column, note line number is m, columns n, and four step rule three-dimensional braiding preforms are expressed as " four step rule m × n braiding ", four step rule m × n1
With m × n2Braiding is n1With n2Layer fabric carries out integrated weaved, and n by four step rule1≠n2, concrete operation step are as follows:
The first step, m × n1Braiding i.e. braiding n1Layer fabric odd column moves a step distance, even column counter motion one along Y-direction
A step distance, wherein last column is fixed；M × n simultaneously2Braiding is n2Layer even column along Y-direction move a stepping away from
From one step distance of odd column counter motion, wherein first row is fixed；
Second step, m × n1Braiding i.e. braiding n1Layer fabric even number line is along X to moving a step distance, odd-numbered line counter motion one
A step distance；M × n simultaneously2Braiding is n2Along X to a step distance is moved, odd-numbered line counter motion one walks layer even number line
Into distance；N at this time1And n2The first row and last line are fixed when layer braiding；
Third step, by n2The last one yarn taken on yarn bar of the first row of layer braiding is transferred to n1Last column of layer braiding are most
It takes on yarn bar in the latter vacancy；Successively by n1Last yarn on yarn bar of taking of column along vacancy every one of layer braiding is transferred to n2
Layer braiding first row changes yarn and takes on yarn bar；By n2First yarn taken on yarn bar of first row of layer braiding is transferred to n1Layer braiding
Last column change yarn and take on yarn bar；By n1Layer braiding second yarn taken on yarn bar of last column is transferred to n2Layer braiding the
One column change yarn and take on yarn bar；By n1Layer braiding first yarn taken on yarn bar of last column is transferred to n1Layer braiding last
Column change yarn and take on yarn bar；
4th step, m × n1Braiding i.e. braiding n1Layer fabric even column moves a step distance, odd column counter motion one along Y-direction
A step distance, wherein last column is fixed；M × n simultaneously2Braiding is n2Layer odd column along Y-direction move a stepping away from
From one step distance of even column counter motion, wherein first row is fixed；
5th step, m × n1Braiding i.e. braiding n1Layer fabric odd-numbered line is along X to moving a step distance, even number line counter motion one
A step distance；M × n simultaneously2Braiding is n2Along X to a step distance is moved, even number line counter motion one walks layer odd-numbered line
Into distance, n at this time1And n2The first row and last line are fixed when layer braiding；
6th step, by n2First yarn taken on yarn bar of first row of layer braiding is transferred to n1Last column first of layer braiding
It takes on yarn bar in a vacancy；Successively by n1Last yarn on yarn bar of taking of column along vacancy every one of layer braiding is transferred to n2Layer is compiled
It knits first row and changes yarn and take on yarn bar；By n2The last one yarn taken on yarn bar of the first row of layer braiding is transferred to n1Layer braiding
Last column changes yarn and takes on yarn bar；By n1Layer weaves the yarn that last column penultimate is taken on yarn bar and is transferred to n2Layer braiding
First row changes yarn and takes on yarn bar；By n1Layer braiding last arrange the yarn that the last one is taken on yarn bar and be transferred to n1Layer braiding is most
Latter column change yarn and take on yarn bar；
7th step after finishing changing yarn, is restored to original position, repeats above-mentioned 6 steps along with urgent movement and fabric output movement
Complete braiding process.
2. weaving method according to claim 1, which is characterized in that n1 is 9 layers of fabric, and n2 is 5 layers of fabric, this method
Concrete operation step are as follows:
The first step, the 1st column and the 3rd column of 9 layers of fabric move a step distance separately down, and the 2nd column move upwards a step
Into distance, the 4th column are motionless；5 layers of column of fabric the 2nd and the 4th column move a step distance separately down simultaneously, and the 3rd column are transported upwards
A step distance is moved, the 1st column are motionless；
Second step, 9 layers of fabric the 2nd, 4,6,8 rows move right a step distance respectively, the 3rd, 5,7,9 rows transport to the left respectively
Move a step distance；Simultaneously 5 layers of fabric the 2nd, 4 rows move right a step distance respectively, the 3rd, 5 rows transport to the left respectively
A step distance is moved, the first row and last line are fixed when 9 layers and 5 layers braiding at this time；
The yarn that 5 layers weave on 2 positions is transferred on 1 position of 9 layers of braiding by third step after transverse movement；Successively by 9
Yarn on 3 positions of layer braiding is transferred on 2 positions of 5 layers of braiding；Yarn on 5 layers of upper 4 position of braiding is transferred to 9 layers of volume
On 3 positions knitted；The yarn on 5 positions is woven by 9 layers to be transferred on 5 layers of 4 position of braiding；The yarn that 9 layers are woven on 6 positions
It is transferred on 5 positions of 9 layers of braiding；
4th step, the 1st column and the 3rd column of 9 layers of fabric move upwards a step distance respectively, and the 2nd column move downward a step
Into distance, the 4th column are motionless；5 layers of column of fabric the 2nd and the 4th column move upwards a step distance respectively simultaneously, and the 3rd arranges fortune downwards
A step distance is moved, the 1st column are motionless；
5th step, 9 layers of fabric the 2nd, 4,6,8 rows move downward a step distance respectively, the 3rd, 5,7,9 rows transport to the right respectively
Move a step distance；Simultaneously 5 layers of fabric the 2nd, 4 rows move downward a step distance respectively, the 3rd, 5 rows transport to the right respectively
A step distance is moved, the first row and last line are fixed when 9 layers and 5 layers braiding at this time；
Yarn on 2 positions of 5 layers of braiding is transferred on 1 position of 9 layers of braiding by the 6th step after transverse movement；Successively will
Yarn on 9 layers of 3 position of braiding is transferred on 5 layers of 2 position of braiding；Yarn on 4 positions of 5 layers of braiding is transferred to 9 layers of volume
On 3 positions knitted；The yarn on 5 positions is woven by 9 layers to be transferred on 5 layers of 4 position of braiding；The yarn that 9 layers are woven on 6 positions
It is transferred on 5 positions of 9 layers of braiding；
7th step, is changed after yarn, restores position, repeats above-mentioned 6 steps along with urgent movement and fabric output movement are completed
Braiding process.
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| CN111274716A (en) * | 2020-03-23 | 2020-06-12 | 西安理工大学 | Modeling method for three-dimensional five-direction braided composite material preform |
| CN112391732A (en) * | 2020-10-27 | 2021-02-23 | 南京玻璃纤维研究设计院有限公司 | Three-dimensional woven special-shaped beam and preparation method thereof |
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| CN112391732B (en) * | 2020-10-27 | 2022-01-11 | 南京玻璃纤维研究设计院有限公司 | Three-dimensional woven special-shaped beam and preparation method thereof |
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| CN110318140B (en) | 2020-08-18 |
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