CN109056168B - Rectangular wave complementary arrangement type trapezoid reed and weaving method thereof - Google Patents
Rectangular wave complementary arrangement type trapezoid reed and weaving method thereof Download PDFInfo
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- CN109056168B CN109056168B CN201811119489.9A CN201811119489A CN109056168B CN 109056168 B CN109056168 B CN 109056168B CN 201811119489 A CN201811119489 A CN 201811119489A CN 109056168 B CN109056168 B CN 109056168B
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- reed
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/60—Construction or operation of slay
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D23/00—General weaving methods not special to the production of any particular woven fabric or the use of any particular loom; Weaves not provided for in any other single group
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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Abstract
The invention belongs to the technical field of textile devices, and relates to a rectangular wave complementary arrangement type trapezoidal reed and a weaving method thereof. The arrangement type trapezoid reed comprises an upper positioning frame, a lower positioning frame and steel wires, wherein the length of the upper positioning frame is greater than that of the lower positioning frame; a trapezoidal steel reed surface is formed between the upper positioning frame and the lower positioning frame, the upper positioning frames and the lower positioning frames of the N trapezoidal steel reed surfaces are sequentially arranged in a front-back inclined alternating state, and an angle smaller than 30 degrees is formed between the trapezoidal steel reed surfaces; each trapezoidal steel reed surface is connected between the upper positioning frame and the lower positioning frame through a steel wire to form reed teeth; the reed dent formed by connecting the positioning frames on the steel wire is arranged sparsely, and the reed dent formed by connecting the steel wire with the lower positioning frame is arranged closely. The invention breaks through the traditional beating-up mode in weaving, does not change the structure, realizes the appearance effect of the fabric grid and the out-of-plane Poisson ratio effect by depending on the structure of the reed, and has simple and convenient application; and a new weaving process is provided for weaving the woven fabric, the product types are enriched, and the added value of the fabric is improved.
Description
Technical Field
The invention belongs to the technical field of textile devices, and relates to a rectangular wave complementary arrangement type trapezoidal reed and a weaving method thereof.
Background
The conventional negative poisson ratio fabric is mainly focused on structural weaving of knitted fabric, only realizes the negative poisson ratio effect in the fabric surface, has unobvious thickness change in the warp-weft stretching process of the fabric, and has no obvious out-of-surface negative poisson ratio effect. In addition, the woven fabric mainly realizes different cloth cover effects through changes of tissues, yarn structures or types and the like, the weaving mode of the woven fabric is single, and the appearance structure of the woven fabric is relatively monotonous.
Disclosure of Invention
The invention aims to solve the technical problem of providing a woven fabric weaving method which directly changes the density of warp and weft yarns through the reed form, realizes the structure change and the out-of-plane negative Poisson ratio effect of a fabric and can improve the grade and the added value of a woven fabric product. The technology changes the defect of single weaving mode of the traditional woven fabric, realizes the direct weaving and forming of the out-of-plane negative Poisson's ratio woven fabric, and enriches the varieties of woven fabric products.
The technical scheme of the invention is as follows:
a rectangular wave complementary arrangement type trapezoid reed comprises an upper positioning frame, a lower positioning frame and a steel wire, wherein the length of the upper positioning frame is larger than that of the lower positioning frame; a trapezoidal steel reed surface is formed between the upper positioning frame and the lower positioning frame, the upper positioning frames and the lower positioning frames of the N trapezoidal steel reed surfaces are sequentially arranged in a front-back inclined alternating state, and an angle smaller than 30 degrees is formed between the trapezoidal steel reed surfaces; each trapezoidal steel reed surface is connected between the upper positioning frame and the lower positioning frame through a steel wire to form reed teeth; the reed dent formed by connecting the positioning frames on the steel wire is arranged sparsely, and the reed dent formed by connecting the steel wire with the lower positioning frame is arranged closely.
Preferably, the upper positioning frame is 1.5-2 mm longer than the lower positioning frame.
Preferably, the angle formed between the surfaces of the trapezoidal reeds is 5-15 degrees.
In the weaving process, the trapezoidal steel reed surface of the rectangular wave complementary arrangement type trapezoidal steel reed can move in a lifting mode in the beating-up process, and during beating-up, the reed teeth arrangement tight part of the trapezoidal steel reed surface has large beating-up displacement to weft yarns, the weft yarns are arranged tightly, and the arrangement density of warp yarns is also large, so that dense grids are formed on the surface of the fabric; the sparse part of the reed dent arrangement of the trapezoidal reed surface has small beating-up displacement to weft yarns, sparse weft yarn arrangement and small weft yarn arrangement density, so that a sparse grid is presented on the surface of the fabric.
A weaving method of a rectangular wave complementary arrangement type trapezoid reed comprises the following steps:
the method comprises the following steps: inputting the low-melting-point polyester yarn into a rectangular wave complementary arrangement type trapezoidal steel reed;
the beating-up of the trapezoidal steel reed surface is not on the same straight line, and the tight weaving of the warp and weft yarns is realized by the tight arrangement part of the reed teeth; the reed dent arrangement sparse part realizes sparse weaving of warp and weft yarns; the density change of the warp is realized by changing the arrangement density of the reed dents; the density of the weft yarns is realized by changing the angle between adjacent trapezoid reed surfaces, the larger the angle between the adjacent trapezoid reed surfaces is, the larger the difference between the sparse weft yarn section and the compact weft yarn section is, otherwise, the smaller the difference between the sparse weft yarn section and the compact weft yarn section is.
Step two: the fabric woven by the rectangular wave complementary arrangement type trapezoid reed is rolled by a hot-pressing roller, so that the interweaving points of the warp-wise low-melting polyester yarns and the weft-wise low-melting polyester yarns of the fabric are bonded;
warp yarns and weft yarns are bonded through interweaving points, the warp yarns and the weft yarns respectively present sparse regular interval change, the sparse parts of the warp yarns are interwoven with the sparse parts of the weft yarns, the tight parts of the warp yarns are interwoven with the tight parts of the weft yarns, a sparse grid appearance effect is formed on a fabric, and when the warp yarns or the weft yarns are stretched in the warp direction or the weft direction, the yarns of the sparse parts arch and protrude out of the surface of the fabric, so that an obvious out-of-plane negative Poisson ratio effect is presented.
Preferably, the melting point temperature of the adopted low-melting-point polyester yarn is 130-180 ℃; the rolling temperature of the hot-pressing roller is 130-200 ℃; the pressure is 1-2 MPa.
The warp and weft yarns of the woven fabric adopt low-melting-point polyester yarns, and the rectangular wave complementary arrangement type trapezoidal reed moves up and down in the beating-up process, so that the sparse grids and the dense grids appear alternately on the cloth surface regularly, and the weaving of the fabric with the appearance effect of the sparse and dense grids is realized; and the fabric woven by the weaving machine is pressed and rolled by a hot pressing roller to realize the adhesion of the interweaving points of the warp-wise and weft-wise low-melting polyester yarns.
The invention has the beneficial effects that:
the method breaks through the traditional beating-up mode in weaving, does not change the structure, realizes the appearance effect of the fabric grid and the out-of-plane Poisson ratio effect by depending on the structure of the reed, and is simple and convenient to apply.
Provides a new weaving process for weaving the woven fabric, enriches the product types and improves the added value of the fabric.
Drawings
FIG. 1 is a schematic diagram of a rectangular wave complementary arrangement type trapezoidal reed.
FIG. 2 is a schematic diagram of warp and weft yarn deformation.
In the figure, 1 is an upper positioning frame; 2, a lower positioning frame; 3 steel wires.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
As shown in fig. 1, a rectangular wave complementary arrangement type trapezoidal reed comprises an upper positioning frame 1, a lower positioning frame 2 and a steel wire 3, wherein the length of the upper positioning frame 1 is greater than that of the lower positioning frame 2; the upper positioning frame 1 is longer than the lower positioning frame 2 by 1.5 mm. A trapezoidal steel reed surface is formed between the upper positioning frame 1 and the lower positioning frame 2, the upper positioning frames 1 and the lower positioning frames 2 of 15 trapezoidal steel reed surfaces are sequentially arranged in a front-back inclined alternating state, and an angle smaller than 10 degrees is formed between the trapezoidal steel reed surfaces; each trapezoidal steel reed surface is connected between the upper positioning frame 1 and the lower positioning frame 2 through a steel wire 3 to form reed teeth; the reed dent formed by connecting the upper positioning frames 1 of the steel wires 3 is sparsely arranged, and the reed dent formed by connecting the upper positioning frames 1 of the steel wires 3 with the lower positioning frames 2 is closely arranged.
In the weaving process, the trapezoidal steel reed surface of the rectangular wave complementary arrangement type trapezoidal steel reed can move in a lifting mode in the beating-up process, and during beating-up, the reed teeth arrangement tight part of the trapezoidal steel reed surface has large beating-up displacement to weft yarns, the weft yarns are arranged tightly, and the arrangement density of warp yarns is also large, so that dense grids are formed on the surface of the fabric; the sparse part of the reed dent arrangement of the trapezoidal reed surface has small beating-up displacement to weft yarns, sparse weft yarn arrangement and small weft yarn arrangement density, so that a sparse grid is presented on the surface of the fabric.
A weaving method of a rectangular wave complementary arrangement type trapezoid reed comprises the following steps:
the method comprises the following steps: inputting the low-melting-point polyester yarn into a rectangular wave complementary arrangement type trapezoidal steel reed;
the beating-up of the trapezoidal steel reed surface is not on the same straight line, and the tight weaving of the warp and weft yarns is realized by the tight arrangement part of the reed teeth; the reed dent arrangement sparse part realizes sparse weaving of warp and weft yarns; the density change of the warp is realized by changing the arrangement density of the reed dents; the density of the weft yarns is realized by changing the angle between adjacent trapezoid reed surfaces, the larger the angle between the adjacent trapezoid reed surfaces is, the larger the difference between the sparse weft yarn section and the compact weft yarn section is, otherwise, the smaller the difference between the sparse weft yarn section and the compact weft yarn section is.
Step two: the fabric woven by the rectangular wave complementary arrangement type trapezoid reed is rolled by a hot-pressing roller, so that the interweaving points of the warp-wise low-melting polyester yarns and the weft-wise low-melting polyester yarns of the fabric are bonded;
warp yarns and weft yarns are bonded through interweaving points, the warp yarns and the weft yarns respectively present sparse regular interval change, the sparse parts of the warp yarns are interwoven with the sparse parts of the weft yarns, the tight parts of the warp yarns are interwoven with the tight parts of the weft yarns, a sparse grid appearance effect is formed on a fabric, and when the warp yarns or the weft yarns are stretched in the warp direction or the weft direction, the yarns of the sparse parts arch and protrude out of the surface of the fabric, so that an obvious out-of-plane negative Poisson ratio effect is presented.
The weaving method of the density gridding machine fabric with the out-of-plane negative Poisson ratio effect adopts low-melting point polyester yarn with the melting point of 135 ℃; the rolling temperature of the corresponding hot-pressing roller is set to be 140 ℃; the pressure was set at 1 MPa.
In the produced fabric product, warp yarns and weft yarns are bonded through interweaving points, the warp yarns and the weft yarns respectively present sparse regular interval change, the sparse parts of the warp yarns are interwoven with the sparse parts of the weft yarns, the tight parts of the warp yarns are interwoven with the tight parts of the weft yarns, a sparse grid appearance effect is formed on the fabric, and when the warp yarns or the weft yarns are stretched in the warp direction or the weft direction, the yarns of the sparse parts protrude out of the surface of the fabric in an arching manner, so that an obvious out-of-plane negative Poisson ratio effect.
Fig. 2 expresses the resolution of the out-of-plane poisson ratio effect of the fabric, namely when the density grid fabric is stretched, the yarns in the density area are not easy to deform, the yarns in the density area are deformed, the wefts in the figure are dense, and the warps are arched to form the out-of-plane negative poisson ratio effect.
Claims (8)
1. A rectangular wave complementary arrangement type trapezoid reed is characterized by comprising an upper positioning frame (1), a lower positioning frame (2) and a steel wire (3), wherein the length of the upper positioning frame (1) is larger than that of the lower positioning frame (2); a trapezoidal steel reed surface is formed between the upper positioning frame (1) and the lower positioning frame (2), the upper positioning frames (1) and the lower positioning frames (2) of the N trapezoidal steel reed surfaces are sequentially arranged in a front-back inclined alternating state, and an angle smaller than 30 degrees is formed between the trapezoidal steel reed surfaces; each trapezoidal steel reed surface is connected between the upper positioning frame (1) and the lower positioning frame (2) through a steel wire (3) to form reed teeth; the reed dent formed by connecting the steel wire (3) with the upper positioning frame (1) is arranged sparsely, and the reed dent formed by connecting the steel wire with the lower positioning frame (2) is arranged closely.
2. The rectangular wave complementary arrangement type ladder reed according to claim 1, wherein the upper positioning frame (1) is longer than the lower positioning frame (2) by 1.5 to 2 mm.
3. The reed of claim 1 or 2, wherein the angle formed between the faces of the trapezoidal reed is 5 to 15 degrees.
4. The weaving method of the rectangular wave complementary arrangement type trapezoid reed according to any one of claims 1 to 3 is characterized by comprising the following steps:
the method comprises the following steps: inputting the low-melting-point polyester yarn into a rectangular wave complementary arrangement type trapezoidal steel reed; the beating-up of the trapezoidal steel reed surface is not on the same straight line, and the tight weaving of the warp and weft yarns is realized by the tight arrangement part of the reed teeth; the reed dent arrangement sparse part realizes sparse weaving of warp and weft yarns;
step two: the fabric woven by the rectangular wave complementary arrangement type trapezoid reed is rolled by a hot-pressing roller, so that the interweaving points of the warp-wise low-melting polyester yarns and the weft-wise low-melting polyester yarns of the fabric are bonded; warp yarns and weft yarns are bonded through interweaving points, the warp yarns and the weft yarns respectively present sparse regular interval change, the sparse parts of the warp yarns are interwoven with the sparse parts of the weft yarns, the tight parts of the warp yarns are interwoven with the tight parts of the weft yarns, a sparse grid appearance effect is formed on a fabric, and when the warp yarns or the weft yarns are stretched in the warp direction or the weft direction, the yarns of the sparse parts arch and protrude out of the surface of the fabric, so that an obvious out-of-plane negative Poisson ratio effect is presented.
5. The weaving method as claimed in claim 4, characterized in that the density change of the warp yarns is effected by a change in the density of the arrangement of the dents; the density of the weft yarns is achieved by the change of the angle between adjacent trapezoidal steel reed surfaces.
6. The weaving method as claimed in claim 4 or 5, characterized in that the melting point temperature of the low-melting polyester yarn used is 130-180 ℃.
7. The weaving method as claimed in claim 4 or 5, characterized in that the nip temperature of the hot-press rolls is 130-200 ℃; the pressure is 1-2 MPa.
8. The weaving method as claimed in claim 6, characterized in that the nip temperature of the hot-press rolls is 130-200 ℃;
the pressure is 1-2 MPa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119489.9A CN109056168B (en) | 2018-09-25 | 2018-09-25 | Rectangular wave complementary arrangement type trapezoid reed and weaving method thereof |
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| CN201811119489.9A CN109056168B (en) | 2018-09-25 | 2018-09-25 | Rectangular wave complementary arrangement type trapezoid reed and weaving method thereof |
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| CN109056168A CN109056168A (en) | 2018-12-21 |
| CN109056168B true CN109056168B (en) | 2020-03-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112430880A (en) * | 2020-11-18 | 2021-03-02 | 山东鲁联新材料有限公司 | Method for changing fabric warp yarn distribution by adjusting width of reed dent |
| CN115369543B (en) * | 2022-09-08 | 2024-04-12 | 东华大学 | Three-dimensional balloon tubular woven fabric and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2656451Y (en) * | 2003-08-26 | 2004-11-17 | 张平国 | Variable density reed |
| CN202279903U (en) * | 2011-10-27 | 2012-06-20 | 安徽佳元工业纤维有限公司 | Reed used during manufacturing process of curtain cloth |
| CN102587017A (en) * | 2012-02-24 | 2012-07-18 | 苏州赛力菲陶纤有限公司 | Wave-shaped reed |
| CN104711753A (en) * | 2013-12-13 | 2015-06-17 | 江南大学 | Special-shaped reed of air jet loom |
| CN104088063B (en) * | 2014-05-12 | 2015-08-26 | 南通纺织职业技术学院 | Woven warp, latitude hyperbola weaving method and obtained fabric |
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