CN109881351B - Knitting method of warp-knitted double-needle-bed lace fabric - Google Patents
Knitting method of warp-knitted double-needle-bed lace fabric Download PDFInfo
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- CN109881351B CN109881351B CN201910198241.4A CN201910198241A CN109881351B CN 109881351 B CN109881351 B CN 109881351B CN 201910198241 A CN201910198241 A CN 201910198241A CN 109881351 B CN109881351 B CN 109881351B
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Abstract
The invention relates to a knitting method of a warp-knitted double-needle-bed lace fabric, which comprises the steps of guide bar configuration, space allocation, yarn preparation, weaving on a machine, scouring, pre-setting, setting and re-setting.
Description
Technical Field
The invention belongs to the technical field of textiles, and particularly relates to a knitting method of a warp-knitted double-needle-bed lace fabric.
Background
The warp knitting lace is popular in the markets of underwear and underpants. At present, after the elastic warp knitted lace clothes and trousers on the market are cut, a layer of lining cloth is sewn along the cut-out, so that the cut-out is prevented from being loosened in the later washing and wearing processes to influence the use performance.
In recent years, many products for shoe materials, clothes, bags and seats are made of warp-knitted spacer fabrics represented by lace, and the warp-knitted spacer fabrics are good in air permeability and moisture permeability, light in weight, good in compression elasticity, easy to wash and dry, capable of providing a good microenvironment in the using process, capable of effectively dissipating heat, ventilating and supplementing fresh air, and capable of improving comfortableness in the using process, and further have the advantages of one-step forming, high production efficiency and the like.
There are many types of machines for producing warp-knitted spacer fabrics. All the yarn guide combs are provided with 1-3 spacing yarns, the rest yarn guide combs are ground combs, the spacing yarn guide combs usually penetrate into monofilaments such as terylene, chinlon, polypropylene and the like, and the ground combs usually penetrate into chemical fiber filaments such as the terylene, the chinlon, the polypropylene and the like for weaving. Because the double-needle bed machine is not provided with the spandex guide bar, the warp knitting spacer fabric produced by the machine has insufficient elasticity, small deformation capacity and non-compact structure, and the comfort and the aesthetic property are influenced in the using process.
The lace fabric is used for the production of women's shoes by some manufacturers, is particularly applied to shoes in large areas in spring and summer, and is popular among women in all ages, but the problems that the lace spacer fabric is insufficient in elasticity, easy to loose and take off, not resistant to water washing, poor in wear resistance, not compact and compact enough, not good in comfort and the like influence the requirements of people on the application of the lace on the shoes, and the development of the lace on the production of the shoes is limited.
In view of the above, there is a need for a lace fabric suitable for vamp materials, which has good elasticity, is not easy to loose, is water-washing resistant, has good wear resistance, and is compact, and a production process thereof.
Disclosure of Invention
The invention aims to provide a production method of a warp-knitted double-needle-bed lace fabric which is not easy to loose and compact.
The invention also aims to provide a production method of the double-needle-bed lace fabric with good elasticity, washing resistance and wear resistance.
In order to solve the technical problem, the invention discloses a knitting method of a warp-knitted double-needle-bed lace fabric, which is used for producing vamp fabrics with better elasticity and comprises the following steps:
s1, guide bar configuration: a ground guide bar, a split jacquard guide bar, a spacer yarn guide bar and an elastic spandex guide bar are arranged in the guide bar groove, wherein GB1 and GB6 are the elastic spandex guide bar, GB2 is the split jacquard guide bar, GB3 and GB5 are the ground guide bar, and GB4 is the spacer yarn guide bar;
s2, configuring a gauge: setting the distance between the front needle bed and the back needle bed to be 3-5 mm;
s3, preparing yarns: the surface layer structure is an elastic mesh structure and is used as a spacer fabric, and 22dtex polyester monofilaments, 44dtex nylon filaments, 133dtex spandex yarns and 89dtex Spanish threads are selected for standby;
s4, weaving on a machine: elastic guide bars GB1 and GB6 are fully penetrated into 133dtex spandex yarns, a separated jacquard guide bar GB2 adopts 1-penetrating 1-empty-penetrating 89dtex Slave buckler yarns, ground guide bars GB3 and GB5 are fully penetrated into 44dtex nylon filaments, a spacing yarn guide bar GB4 is fully penetrated into 22dtex polyester monofilaments, upper and lower surface layers of the spacing fabric are woven by matching GB2, GB3 and GB5 with GB1 and GB6, and a middle spacing layer of the spacing fabric is woven by GB 4; weaving to obtain a semi-finished lace fabric product;
s5, boiling-off and pre-shaping: boiling off and removing oil from the lace fabric semi-finished product by using a washing machine, wherein the boiling-off temperature is 99-101 ℃, the boiling-off speed is 24-26 yards/minute, and the boiling-off time is 2-5 minutes;
s6, shaping: setting the semi-finished lace fabric in a setting machine at the speed of 25-30 yards/min and at the temperature of 120-130 ℃;
s7, compound shaping: and (4) re-shaping the shaped semi-finished lace fabric by using a shaping machine, wherein the speed of the shaping machine is set to be 25-30 yards/min.
Preferably, the S7 is divided into 2 temperature stages, wherein the first stage temperature is set to be 120-130 ℃, and the second stage temperature is set to be 147-149 ℃.
Preferably, any point on the lace fabric is shaped at the temperature of 147-149 ℃ in the second stage for no more than 2s, and then is rapidly cooled to be below 100 ℃.
Preferably, ultrasonic wave is added for cooking in S5.
Preferably, the ultrasonic frequency is 20 to 50 kHz.
Preferably, the split jacquard guide bar generates an electronic shogging movement according to design requirements.
Preferably, the split jacquard guide bar and the elastic spandex guide bar are padded in the same direction.
The knitting method of the warp knitting double-needle bed lace fabric at least has the following advantages:
1. the lace fabric produced by the method is particularly suitable for materials such as vamps and the like, and has the characteristics of good elasticity, difficult loosening, washing resistance, good wear resistance, compactness and compactness.
2. Through the corresponding guide bar configuration and the addition of the Stroke lines during weaving, the lace fabric is more resistant to bending and pulling.
3. The sizing is carried out in three steps, and the sizing temperature slightly higher than the melting point of the Stroke line is used for re-sizing, so that the Stroke line is contracted, is more tightly combined with other materials, is not easy to loose and compact, and the wear resistance is enhanced.
4. The ultrasonic wave is used for assisting in boiling off and presetting, so that the oil removing effect can be enhanced, the arrangement of fibers in the lace material semi-finished product can be more reasonable through the ultrasonic wave, and the phenomenon that the fibers are cut when the Stroke wire is used is prevented.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," when used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
A knitting method of a warp-knitted double-needle-bed lace fabric is used for producing vamp fabrics with good elasticity, and comprises the following steps:
s1, guide bar configuration: a ground guide bar, a split jacquard guide bar, a spacer yarn guide bar and an elastic spandex guide bar are arranged in the guide bar groove, wherein GB1 and GB6 are the elastic spandex guide bar, GB2 is the split jacquard guide bar, GB3 and GB5 are the ground guide bar, and GB4 is the spacer yarn guide bar;
s2, configuring a gauge: setting the distance between the front needle bed and the back needle bed to be 3-5 mm;
s3, preparing yarns: the surface layer structure is an elastic mesh structure and is used as a spacer fabric, and 22dtex polyester monofilaments, 44dtex nylon filaments, 133dtex spandex yarns and 89dtex Spanish threads are selected for standby; the Strobek line has excellent performances in the aspects of strength, processability, wear resistance, bending resistance and the like, is a better choice of a fish line and a kite line, but has less application in textiles;
s4, weaving on a machine: elastic guide bars GB1 and GB6 are fully penetrated into 133dtex spandex yarns, a separated jacquard guide bar GB2 adopts 1-penetrating 1-empty-penetrating 89dtex Slave buckler yarns, ground guide bars GB3 and GB5 are fully penetrated into 44dtex nylon filaments, a spacing yarn guide bar GB4 is fully penetrated into 22dtex polyester monofilaments, upper and lower surface layers of the spacing fabric are woven by matching GB2, GB3 and GB5 with GB1 and GB6, and a middle spacing layer of the spacing fabric is woven by GB 4; weaving to obtain a semi-finished lace fabric product;
s5, boiling-off and pre-shaping: boiling off and removing oil from the lace fabric semi-finished product by using a washing machine, wherein the boiling-off temperature is 99-101 ℃, the boiling-off speed is 24-26 yards/minute, and the boiling-off time is 2-5 minutes;
s6, shaping: setting the semi-finished lace fabric in a setting machine at the speed of 25-30 yards/min and at the temperature of 120-130 ℃;
s7, compound shaping: and (4) re-shaping the shaped semi-finished lace fabric by using a shaping machine, wherein the speed of the shaping machine is set to be 25-30 yards/min.
The S7 is divided into 2 temperature stages, wherein the temperature of the first stage is set to be 120-130 ℃, and the temperature of the second stage is set to be 147-149 ℃. The temperature control error of the second stage is not more than one degree, the melting point of the Starbucks line is 145 ℃, and the short-time treatment is carried out at the temperature slightly higher than the melting point of the Starbucks line, so that the Starbucks line is shrunk to a certain degree, and the integral physical property of the Starbucks line is not influenced; the shrinkage of the schobenberg wire is related to the temperature and time of the second stage treatment and is fine-tuned according to different requirements.
Any point on the lace fabric is shaped at the temperature of 147-149 ℃ in the second stage for no more than 2s, and then is rapidly cooled to be below 100 ℃ to prevent the Scherbeck linear performance characteristic from being weakened.
In the step S5, ultrasonic wave assistance is performed during boiling. Ultrasonic waves can not only enhance the oil removing effect, but also enable the arrangement among fibers in the lace material semi-finished product to be more reasonable, and prevent the phenomenon that the fibers are sheared to fuzz or even break when the Stroke wire is used.
The ultrasonic frequency is 20-50 kHz.
The separated jacquard guide bar generates electronic transverse movement according to design requirements.
The split jacquard guide bar and the elastic spandex guide bar are padded in the same direction.
Example 2
On the basis of example 1, 89dtex skickel threads were replaced by 89dtex nylon filaments.
Example 3
On the basis of example 1, the second stage of the reshaping in S7 was eliminated.
Example 4
Comparing the products produced by the methods of example 1 and examples 2 and 3, the lace product produced by the method of example 1 is generally higher than the washing resistance and the wear resistance of example 2 by more than 20%, is improved by more than 5% in compactness and is higher than the washing resistance and the wear resistance of example 3 by more than 8%.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (5)
1. A knitting method of a warp-knitted double-needle-bed lace fabric is used for producing vamp fabrics with good elasticity, and is characterized by comprising the following steps:
s1, guide bar configuration: a ground guide bar, a split jacquard guide bar, a spacer yarn guide bar and an elastic spandex guide bar are arranged in the guide bar groove, wherein GB1 and GB6 are the elastic spandex guide bar, GB2 is the split jacquard guide bar, GB3 and GB5 are the ground guide bar, and GB4 is the spacer yarn guide bar;
s2, configuring a gauge: setting the distance between the front needle bed and the back needle bed to be 3-5 mm;
s3, preparing yarns: the surface layer structure is an elastic mesh structure and is used as a spacer fabric, and 22dtex polyester monofilaments, 44dtex nylon filaments, 133dtex spandex yarns and 89dtex Spanish threads are selected for standby;
s4, weaving on a machine: elastic guide bars GB1 and GB6 are fully penetrated into 133dtex spandex yarns, a separated jacquard guide bar GB2 adopts 1-penetrating 1-empty-penetrating 89dtex Slave buckler yarns, ground guide bars GB3 and GB5 are fully penetrated into 44dtex nylon filaments, a spacing yarn guide bar GB4 is fully penetrated into 22dtex polyester monofilaments, upper and lower surface layers of the spacing fabric are woven by matching GB2, GB3 and GB5 with GB1 and GB6, and a middle spacing layer of the spacing fabric is woven by GB 4; weaving to obtain a semi-finished lace fabric product;
s5, boiling-off and pre-shaping: boiling off and removing oil from the lace fabric semi-finished product by using a washing machine, wherein the boiling-off temperature is 99-101 ℃, the boiling-off speed is 24-26 yards/minute, and the boiling-off time is 2-5 minutes;
s6, shaping: setting the semi-finished lace fabric in a setting machine at the speed of 25-30 yards/min and at the temperature of 120-130 ℃;
s7, compound shaping: re-shaping the shaped lace fabric semi-finished product by using a shaping machine, wherein the speed of the shaping machine is set to be 25-30 yards/min;
the S7 is divided into 2 temperature stages, wherein the temperature of the first stage is set to be 120-130 ℃, and the temperature of the second stage is set to be 147-149 ℃;
any point on the lace fabric is shaped at the temperature of 147-149 ℃ in the second stage for no more than 2s, and then is rapidly cooled to be below 100 ℃.
2. The method of knitting a warp-knitted double-needle bed lace fabric according to claim 1, wherein ultrasonic wave assistance is applied in the scouring in S5.
3. The method of knitting a warp knitted double needle bed lace fabric according to claim 2, characterized in that the ultrasonic frequency is 20 to 50 kHz.
4. The method of knitting a warp knitted double needle bed lace fabric according to claim 1, wherein the split jacquard bar produces an electronic shog motion as designed.
5. The method of knitting a warp knitted double needle bed lace fabric according to claim 1, wherein the split jacquard bar and the elastic spandex bar lay yarns in the same direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910198241.4A CN109881351B (en) | 2019-03-15 | 2019-03-15 | Knitting method of warp-knitted double-needle-bed lace fabric |
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| CN201910198241.4A CN109881351B (en) | 2019-03-15 | 2019-03-15 | Knitting method of warp-knitted double-needle-bed lace fabric |
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| CN109881351B true CN109881351B (en) | 2021-10-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3817690B2 (en) * | 2001-10-31 | 2006-09-06 | 株式会社タケダレース | Elastic warp knitted fabric for clothing |
| JP2005281932A (en) * | 2004-03-31 | 2005-10-13 | Toray Ind Inc | Fabric for rubber reinforcement |
| CN101487185A (en) * | 2008-01-15 | 2009-07-22 | 欣悦印染有限公司 | Ultrasonic wave dyeing and finishing rinsing process |
| CN103437050B (en) * | 2013-08-13 | 2015-08-19 | 浙江港龙织造科技有限公司 | The processing technology of dimensional stability knitted fabric |
| EP2839755B1 (en) * | 2013-08-23 | 2020-03-25 | Adidas AG | Shoe upper and shoe comprising such shoe upper |
| CN104153114A (en) * | 2014-07-21 | 2014-11-19 | 江南大学 | Method for producing elastic jacquard spacer fabric by a double-needle-bar warp knitting machine |
| CN108708067A (en) * | 2018-06-11 | 2018-10-26 | 福建东龙针纺有限公司 | A kind of warp knit lace and its method for weaving |
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Effective date of registration: 20211012 Address after: No. 183 Qiumao Road, Jingzhen, Wang Jiang, Xiuzhou District, Jiaxing City, Zhejiang Province, 314000 Applicant after: Zhejiang Xinmiao Textile Co.,Ltd. Address before: 215000 355 Shanxing Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU BOSHOW SCIENCE & TECHNOLOGY Co.,Ltd. |