CN108950817B - Base cloth capable of improving tear strength before gluing and weaving method thereof - Google Patents
Base cloth capable of improving tear strength before gluing and weaving method thereof Download PDFInfo
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- CN108950817B CN108950817B CN201810926903.0A CN201810926903A CN108950817B CN 108950817 B CN108950817 B CN 108950817B CN 201810926903 A CN201810926903 A CN 201810926903A CN 108950817 B CN108950817 B CN 108950817B
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- warp
- heddle
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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
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/593—Stiff materials, e.g. cane or slat
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
Abstract
The invention provides a base cloth before gluing, which can increase the tear strength. The base cloth before gluing is formed by interweaving warps and wefts through controlling tension of tight warp loose yarns by eccentric heddles, and the tight warp loose yarns are interwoven with the wefts through the eccentric heddles to form a larger buckling wave shape so as to increase the tearing strength. According to the base cloth before gluing, the tear strength of the base cloth can be improved by 10% compared with that of the conventional glued base cloth in the warp direction and by 5% compared with that of the conventional glued base cloth in the weft direction.
Description
Technical Field
The invention relates to a fabric, in particular to a base fabric before gluing and a weaving method thereof, which can increase the tear strength, and belongs to the technical field of textiles.
Background
Along with the development of production and market demands, the application field of the gluing base cloth is more and more extensive, for example, the light box advertising industry is also more and more red fire, more and more exquisite is made, the area volume is also more and more increased, and aiming at the weather, typhoon, hurricane, ice storm and snow which are constantly changed, the summer heat and cold are severe, the gluing base cloth applied in the light box advertising industry must have good tensile strength, extensibility, weather resistance, light transmittance and peeling strength flatness, and must also have good tearing strength, after the gluing of the base cloth, the favorable factors of the original base cloth, such as yarn displacement, bunching and the like which can improve the tearing strength, do not exist because of the positioning of the yarns after the gluing, people hope to be on the basis of the prior art, except that the cloth cover of the gluing base cloth is provided with countless small holes which can effectively prevent the unpleasant things such as being blown and torn by typhoon wind and the like through sunshine and night, the base cloth before gluing can also increase the tearing strength, and the accident of tearing by typhoon can be effectively prevented after the base cloth is processed into a finished product by gluing.
Disclosure of Invention
The base cloth before gluing is in line with market demands, meets the hope of people, and can improve the tear resistance.
The technical scheme of the base cloth before gluing, which can improve the tear strength, of the invention is as follows:
a base fabric before coating is provided, which can increase the tearing strength, and is obtained by interweaving an eccentric heddle and a weft yarn to form a large buckling wave shape by controlling the tightness of the warp yarn of the base fabric.
Further, the large buckling wave of the warp and the weft is formed by the warp being woven with the weft in a plain weave, one over and one under, by a heddle control and a tight warp tension control.
Further, the eccentric heddle comprises a first heddle, a second heddle, a third heddle and a fourth heddle; the first heddle and the second heddle are heddles with centers of heddle holes being above the upper heddle, and the centers of the heddle holes of the first heddle and the second heddle are 8 mm to 10 mm above; the third heddle and the fourth heddle are heddles with lower heddle hole centers, and the heddle hole centers of the third heddle and the fourth heddle are 8 mm to 10 mm lower.
Further, the warp yarns comprise a first warp yarn, a second warp yarn, a third warp yarn and a fourth warp yarn, wherein the first warp yarn is a tight warp yarn, the second warp yarn is a loose warp yarn, the third warp yarn is a loose warp yarn, and the fourth warp yarn is tight warp; the tightness ratio of the tight warp yarns to the elastic warp yarns is 1.1: 1.0-1.15: 1.0.
Further, the weft yarns include a first weft yarn and a second weft yarn.
A method of weaving a pre-rubberized base fabric with increased tear resistance, comprising:
first step warping, namely circularly winding the first warp and the fourth warp in sequence into a fabric
On the shaft, as a tight warp beam, the second warp and the third warp are circularly wound in sequence
On the other beam, the warp is used as a loose warp beam;
step two, arranging healds, drafting and inserting reed, firstly, arranging a first heald, a second heald, a third heald and a fourth heald according to the sequence and circularly arranging the healds in sequence, then penetrating a first warp into the first heald, penetrating a second warp into the second heald and inserting the second heald into a first reed dent, penetrating the third warp into the third heald, penetrating the fourth warp into the fourth heald and inserting the second reed dent, and circularly drafting and inserting reed according to the sequence;
thirdly, lifting heald, picking, beating up and weaving, wherein the first shuttle lifts the second warp and the fourth warp upwards and drops the first weft to beat up and weave; the second shuttle lifts the first warp and the third warp upwards and puts the second weft into beating-up weaving; after the first round of circulation is finished, the next round of circulation is carried out picking beating-up weaving according to the sequence; the centers of the heddle holes of the first heddle and the second heddle are 8 mm to 10 mm above, and the centers of the heddle holes of the third heddle and the fourth heddle are 8 mm to 10 mm below, so that the warp layering can be regular and uneven when the heald lifting beating-up weaving is carried out, and at the moment, the warp layering openings are properly enlarged, so that a rapier or a shuttle can conveniently pass in and out to smoothly weave; because first warp, fourth warp are tight warp, and tension is big, and second warp third warp is the slack warp, and tension is little, therefore when weaving, the tension size is controlled well, and the tight/loose ratio is 1.1 ~ 1.15: 1.0;
and fourthly, inspecting, repairing, weaving and warehousing.
And finishing weaving the base fabric before gluing, which can increase the tear strength, and gluing to form the glued fabric in the next step. According to the base cloth before gluing, the tear strength of the base cloth can be improved by 10% compared with that of the conventional glued base cloth in the warp direction and by 5% compared with that of the conventional glued base cloth in the weft direction.
The spinning method has the advantages that: compared with the base cloth weaving method before gluing, the base cloth before gluing is also a plain weave structure interwoven by warps and wefts above and below, but because the base cloth before gluing is woven by the common base cloth weaving method before gluing, the upper and lower layers of warps are different only by changing the height of the front and rear beams and changing the warp position line without arranging the center upper harness and the center lower harness and arranging the tight warps and the loose warps, the fabric structure is changed to increase the tear strength, although the effect is good, the effect is not large, the warp buckling cannot be considered in the weft buckling, but the base cloth is only interwoven by the plain weaves above and below, because the upper center harness and the center lower harness are adopted, particularly the tight warps and the loose warps are combined, the warp buckling and weft buckling can achieve a larger buckling state to ensure that the cloth surface particles are full and solid, therefore, the obvious effect of tearing strength is increased, although weaving methods of eccentric heddles and tight warp loose warps are common in the field of velvet, the weaving methods are used for increasing the distance between an upper layer and a lower layer and increasing the consolidation fastness of villi, the tight warp loose warps are arranged and woven in an arrangement mode of 1 to 1, if the weaving methods are carried as per the weaving method, the base cloth has the first wefts which are all above the tight warps (below), the second wefts which are all below the tight warps (above), and obvious crossbands and unevenness appear, the weaving method adopts the arrangement mode of 2 to 2 wefts, wherein the first center is above the heddles, the second center is above the tight warps, the third center is below the heddles and the fourth center is below the tight warps, and the first tight warps, the second loose warps, the third loose warps and the fourth tight warps are different from 2 to 2 wefts, the buckling degree of the warps is uniform, the warp direction has no longitudinal mark, the weft direction has no transverse bar, the weave point is uniform, the granule is full, the cloth cover is thick, the anti-tearing strength of the fabric is greatly improved, the common fabric only has one fabric structure phase, the anti-tearing strength of the warp direction and the weft direction can not be considered on the fabric structure phase, the fabric of the invention adopts eccentric heddles and tight warp yarns to loose the warp yarns, especially adopts a weaving method of 2 yarns to 2 yarns which are staggered one by one, so that the warp buckling and the weft buckling are improved, especially after the fabric is coated with glue, the original factors for improving the anti-tearing strength by the yarn displacement and the bunching performance do not exist any more, but the buckling state of the warp yarn and the weft with the maximum degree can cause the great decomposition of the tearing force after the glue is coated, thereby the anti-tearing strength is improved, therefore, the base fabric before the glue coating which can improve the anti-tearing strength is provided, because the eccentric heddles and the tight warp yarns are adopted, especially, the weaving method that 2 eccentric heddles are arranged in proportion to 2 loose warp yarns and 2 loose warp yarns are arranged in proportion to 2 loose warp yarns is adopted, so that warp buckling and weft buckling are greatly improved, tearing force is greatly decomposed after the warp buckling and the weft buckling are fixed by gluing, and the tearing strength is greatly improved beyond the unexpected effect, and the warp buckling and weft buckling elastic yarn is well received by users on the market.
Drawings
FIG. 1 is a schematic illustration of the weft weave structure of a first weft yarn of the present invention.
FIG. 2 is a weft weave structure of a second weft yarn of the present invention.
Fig. 3 is a schematic view of the first dent warp-wise structure of the present invention.
Fig. 4 is a schematic view of the second dent warp-wise structure according to the present invention.
Fig. 5 is a schematic view of an eccentric heddle according to the present invention.
Fig. 6 is a schematic diagram of a rubberized base fabric tear test.
Centering heddle with center as a in the figure
b is the first heddle with the center being off-center
c is the second heddle of the centre-up
d is the third heddle with the center off
e is the fourth heddle with the center being lower
T1 is the first warp fastening warp
T2 is the second loose warp yarn
T3 is the third loose warp yarn
T4 is the fourth warp fastening warp
W1 is the first weft
W2 is the second weft
Detailed Description
In view of the above, the present invention aims to provide a base fabric before coating, which can increase tear strength, and which achieves the purpose of increasing tear strength by interweaving warp yarns with weft yarns through eccentric heddles and controlling the tension of the warp yarns to form a shape having a large buckling wave.
The invention is further described below with reference to the accompanying drawings:
as a preferred embodiment of this embodiment, the larger buckling wave of the warp and weft yarns is formed by the warp yarns weaving with the weft yarns in a plain weave, one over and one under, by means of heddle control and tight warp yarn tension control.
As a preferred embodiment of this embodiment, the eccentric heddle comprises a first heddle, a second heddle, a third heddle and a fourth heddle; the first heddle and the second heddle are heddles with centers of heddle holes on the upper side, and the centers of the heddle holes of the heddles with centers on the upper side are 8 mm to 10 mm on the upper side; the third heddle and the fourth heddle are heddles with lower heddle hole centers, and the heddle hole centers of the heddles with lower heddle holes are 8-10 mm lower.
As a preferred embodiment of this embodiment, the warp yarns include a first warp yarn, a second warp yarn, a third warp yarn and a fourth warp yarn, the first warp yarn is a tight warp yarn, the second warp yarn is a loose warp yarn, the third warp yarn is a loose warp yarn, and the fourth warp yarn is a tight warp; the tightness ratio of the tight warp yarns to the elastic warp yarns is 1.1: 1.0-1.15: 1.0.
In a preferred embodiment of the embodiment, the weft yarns include first weft yarns and second weft yarns.
The invention also provides a weaving method of the base cloth before gluing, which can increase the tear strength, and comprises the following steps:
warping in a first step;
the warp yarns T1 and T4 were sequentially wound around one of the warp beams as a tight warp beam, and the warp yarns T2 and T3 were sequentially wound around the other warp beam as a loose warp beam.
Secondly, drafting and reed inserting;
the eccentric heddles are sequentially arranged into a unit according to the sequence of b, c, d and e and are sequentially and circularly arranged, a warp yarn T1 penetrates through the heddles b, a warp yarn T2 penetrates through the heddles c and is inserted into the same first reed dent, a warp yarn T3 penetrates through the heddles d, a warp yarn T4 penetrates through the heddles e and is inserted into the same second reed dent, and the heald insertion reed is sequentially and circularly arranged in sequence.
Thirdly, lifting heald, picking and beating-up weaving;
the first shuttle lifts the warp yarns T2 and T4 upwards, and throws the weft yarn W1 into the first shuttle for beating-up weaving,
the second shuttle lifts the warp yarns T1 and T3 upwards, and throws the weft yarns W2 into the weft yarns for beating-up weaving,
entering the next round of circular weaving according to the sequence,
wherein, the center of the b, c harness wire hole is 8 mm to 10 mm higher, and the center of the d, e harness wire hole
The lower part is 8 mm to 10 mm, and the warp surface has regular irregularity, so the upper layer and the lower layer are woven by adopting large-opening weaving.
In addition, the weaving tension of the warp yarns T1 and T4 is greater than that of the warp yarns T2 and T3, and the weaving tension of the warp yarns T1 and T4 is 1.1-1.15: 1 to that of the warp yarns T2 and T3.
Fourthly, checking, repairing and warehousing;
so far, the base fabric before gluing which can enhance the tearing strength is finished,
the next step of gluing is carried out,
the following table shows a base fabric warp before gluing which can enhance the tear strength of the invention,
and (5) after gluing, comparing the situation with the tearing strength test of the common conventional glued cloth.
The tear strength test procedure is as follows:
remarking: the embryonic base fabrics are all 1000d/9 pieces/cm
The present invention will be further described with reference to the accompanying drawings
As can be seen from fig. 1, fig. 2, fig. 3 and fig. 4 in combination with fig. 5, since the warp T1T2 has penetrated the upper central heddles b and c, the warp T3T4 has penetrated the lower central heddles d and e, and since the warp T1T4 is a tight warp, the warp T2T3 is a loose warp; thus, it can be seen from FIGS. 1 and 2 that T1, T2 and T3, T4 are at positions marked as T1, T2, T3 and T4 above and below the centerline, respectively, at full circle, and thus, as such, W1W2 buckles latitudinally as shown in FIGS. 1 and 2.
T1 and T4 are tight warp yarns, T2 and T4 loose warp yarns, and W1 and W2 are located at positions above and below T1 and T4 respectively due to mutual influence of buckling of weft yarns W1 and W2, so that warp yarns T2 and T3 are buckled in the warp direction as shown in FIG. 3 and FIG. 4, and a large buckling state is obtained.
It is easily understood that the warp and weft buckling state as shown in the figure improves the tear strength
In addition, because T1 and T4 are tight warp yarns and T2 and T3 are loose warp yarns, it is not difficult to do weft yarns W1 and W2 in a way that T1 and T4 are taken as centers and one over the other is taken, and T1 and T4 have an upper position and a lower position, so that the tear resistance is improved and is not difficult to understand as shown in the T2 and T3 buckling state and the T1 and T4 upper and lower states of fig. 3 and 4, and particularly the advantages of the displacement property and the bundling property of warp and weft yarns of the original ordinary gray cloth to improve the tear resistance are not existed.
Compared with the base cloth weaving method before coating, the base cloth before coating is also a plain weave structure interwoven by warps and wefts on the upper and lower sides, but because the base cloth before coating is woven by the common base cloth weaving method without an upper central harness wire and a lower central harness wire and tight warps and loose warps, the tension of the warps on the upper and lower layers can be changed only by changing the height of the front and rear beams and changing the warp position line, so that the tear strength is increased by changing the phase change of the fabric structure, although the effect is good, the effect is not good, the warp direction is often considered as the weft direction, but the base cloth before coating is also interwoven by plain weaved by warps and loose warps on the upper and lower sides, because the tight warps and the loose warps are adopted, especially the tight warps and the loose warps are combined, the warp buckling and weft direction can be bent to make the cloth cover particles full and thick, although the weaving method of the eccentric heddle and the tight warp loose warp is common in the field of velvet, the weaving method is used for increasing the distance between an upper layer and a lower layer and increasing the consolidation fastness of fluff, and the tight warp loose warp is arranged and woven in an arrangement mode of 1 to 1, if the weaving method is carried out according to the weaving method, the base cloth has the first wefts which are all above the tight warp (below) and the second wefts which are all below the tight warp (above), obvious crossbands and unevenness appear, the weaving method of the invention adopts the arrangement mode of 2 to 2 wefts, wherein the arrangement mode of the first center upper heddle, the second center upper heddle, the third center lower heddle and the fourth center lower heddle, and the difference of the first tight warp, the second loose warp, the third loose warp and the fourth tight warp and the 2 to 2 wefts is adopted, the buckling degree is uniform, the warp direction has no longitudinal mark, the weft direction has no transverse bar, and the fabric has even tissue points, full particles and thick cloth cover, thereby greatly improving the tearing strength of the fabric. The common fabric only has one fabric structure phase, and the warp and weft tearing strength cannot be considered at the same time, but the fabric of the invention adopts eccentric heddles and tight warps to loose the warps, especially adopts a weaving method of 2 warps staggered by one, so that the warp buckling and the weft buckling are improved, especially after the fabric is coated with glue, the original reason that the tearing strength is improved by means of the yarn displacement and the bundling performance is not existed any more, and the maximum buckling state of the warp and the weft of the invention can greatly decompose the tearing force after the glue is coated, thereby improving the tearing strength. Therefore, the base cloth before gluing capable of increasing the tear strength is greatly improved in warp buckling and weft buckling by adopting the eccentric heddles and the tight warp loose warps, particularly the weaving method that 2 eccentric heddles are staggered by 2 warps and 2 tight warp loose warps by 2 warps, and after the yarns are fixed by gluing, the tearing force is greatly decomposed, so that the tear strength has the effect of greatly increasing beyond the expectation, and the base cloth is popular with users on the market.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (3)
1. The base cloth before gluing is characterized in that warp yarns of the base cloth before gluing are interwoven with weft yarns through eccentric heddles and the tightness tension of the warp yarns is controlled to form a larger buckling wave shape; the larger buckling wave of the warp and the weft is formed by the warp and the weft being interwoven with one another by the heddle control and the warp tension control of the tight warp and the weft; the eccentric harness wire comprises a first harness wire, a second harness wire, a third harness wire and a fourth harness wire; the heddle holes of the first heddle and the second heddle are upper heddle holes with centers being higher than the center of the upper heddle holes by 8 mm to 10 mm; harness wire holes of the third harness wire and the fourth harness wire are lower harness wire holes with centers, and the centers of the lower harness wire holes are 8 mm to 10 mm lower; the warp yarns comprise a first warp yarn, a second warp yarn, a third warp yarn and a fourth warp yarn, wherein the first warp yarn is a tight warp yarn, the second warp yarn is a loose warp yarn, the third warp yarn is a loose warp yarn, and the fourth warp yarn is a tight warp yarn; the tightness ratio of the tight warp yarns to the loose warp yarns is 1.1: 1.0-1.15: 1.0.
2. Pre-rubberized base fabric capable of increasing tear resistance according to claim 1, wherein: the weft yarns include first weft yarns and second weft yarns.
3. A method of weaving a pre-rubberized base fabric according to claim 2, the method comprising:
the first step of warping, namely circularly winding the first warp and the fourth warp on one loom beam in sequence to be used as a tight warp loom beam, and circularly winding the second warp and the third warp on the other loom beam in sequence to be used as a loose warp loom beam;
step two, arranging healds, drafting and inserting reed, firstly, arranging a first heald, a second heald, a third heald and a fourth heald according to the sequence and circularly arranging the healds in sequence, then penetrating a first warp into the first heald, penetrating a second warp into the second heald and inserting the second heald into a first reed dent, penetrating the third warp into the third heald, penetrating the fourth warp into the fourth heald and inserting the second reed dent, and circularly drafting and inserting reed according to the sequence;
step three, heald lifting, beating-up and weaving, wherein the first shuttle lifts the second warp and the fourth warp upwards and puts the first weft into beating-up weaving; the second shuttle lifts the first warp and the third warp upwards and puts the second weft into beating-up weaving; after the first round of circulation is finished, the next round of circulation is carried out picking beating-up weaving according to the sequence; the centers of the first heddle and the second heddle are 8 mm to 10 mm above, and the centers of the third heddle and the fourth heddle are 8 mm to 10 mm below, so that the warp layering can be regular and uneven when the heald lifting beating-up weaving is carried out, and the warp layering opening needs to be properly enlarged, so that a rapier or a shuttle can conveniently and smoothly weave in and out; because first warp, fourth warp are tight warp, and tension is big, and second warp third warp is the slack warp, and tension is little, therefore when weaving, the tension size is controlled well, and the tight/loose ratio is 1.1 ~ 1.15: 1.0;
and fourthly, inspecting, repairing, weaving and warehousing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810926903.0A CN108950817B (en) | 2018-08-15 | 2018-08-15 | Base cloth capable of improving tear strength before gluing and weaving method thereof |
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| CN201810926903.0A CN108950817B (en) | 2018-08-15 | 2018-08-15 | Base cloth capable of improving tear strength before gluing and weaving method thereof |
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| CN108950817B true CN108950817B (en) | 2020-06-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410974B (en) * | 2020-11-12 | 2022-04-08 | 吴忠恒和织造科技有限公司 | Plain cloth with hidden shadow patterns and weaving method thereof |
| CN112410975B (en) * | 2020-11-12 | 2022-04-26 | 杭州中纺织造有限公司 | Chemical fiber fabric with hidden patterns and weaving method thereof |
| CN113279110B (en) * | 2021-05-08 | 2022-09-06 | 北京嗯哈文化创意有限公司 | Air-permeable and moisture-permeable down-proof cloth and weaving method thereof |
| CN113337935B (en) * | 2021-06-04 | 2022-06-10 | 深圳市恩裳纺织品有限公司 | Weaving method capable of hiding functional yarn in fabric |
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| CN206495012U (en) * | 2017-02-28 | 2017-09-15 | 苏州金科达纺织科技股份有限公司 | A kind of woven flexible fabric of jet double-beam loom |
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|---|---|---|---|---|
| US1545904A (en) * | 1923-04-20 | 1925-07-14 | Steel Heddle Mfg Co | Loom harness |
| CN106012234A (en) * | 2016-07-25 | 2016-10-12 | 江苏工程职业技术学院 | Production technology for warp curve fabric |
| CN106012229A (en) * | 2016-07-29 | 2016-10-12 | 芜湖华烨工业用布有限公司 | Preparation process of aramid-chinlon composite canvas |
| CN205917386U (en) * | 2016-08-04 | 2017-02-01 | 山东海龙博莱特化纤有限责任公司 | Conveyer belt is with two through heavy canvas of plain weave gumming |
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| CN108950817A (en) | 2018-12-07 |
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Application publication date: 20181207 Assignee: Shanghai Gemalan Industrial Co.,Ltd. Assignor: TAYA CANVAS (SHANGHAI) Co.,Ltd. Contract record no.: X2023310000099 Denomination of invention: A base fabric and its weaving method before coating that can increase tear resistance Granted publication date: 20200602 License type: Common License Record date: 20230615 |