Warp-knitted shoe material fabric with local elasticity

Abstract

The utility model relates to the field of textile fabrics, in particular to a warp knitting shoe material fabric with local elasticity, which solves the problem that the warp knitting fabric with local elasticity needs post-processing, and comprises a fabric body, the fabric body is formed by warp knitting four raw materials A, B, C and D, and the fabric body is formed by knitting eight guide bars GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2, GB5 and GB6; the raw materials A, B and C are polyester; the raw material D is a large-fineness spandex filament, the specification of the raw material D is spandex 210D, and the raw material D is composed of 14 pieces of 15D single spandex. The utility model is applied to the production of local elastic and non-elastic warp knitting shoe material fabrics.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of textile fabric, concretely relates to a local elastic warp knitting shoe material fabric. BACKGROUND

[0002] Warp knitting fabric has now been an important material for shoe upper production, as shoe upper, it has the advantages of fine texture, light material, soft comfort, mesh ventilation and the like. It is very important to wear a good pair of sports shoes when walking and exercising, which can fully wrap the instep and reduce the impact force when the foot contacts the ground. A good pair of sports shoes not only needs a shoe sole with moderate elasticity, but also needs a light and comfortable shoe upper, which generally requires no or slightly elastic shoe upper to ensure sufficient stability, but some require shoe opening elasticity to facilitate the wearing and taking off of the shoe body and the separation of the shoe from the foot; on the market, the requirement of local elasticity is mostly met by sewing additional materials through post-processing to increase the elasticity of the shoe opening, which not only increases the processing cost, but also affects the overall appearance and comfort. SUMMARY

[0003] Therefore, the utility model provides a local elastic warp knitting shoe material fabric, which solves the problem of post-processing of local elastic warp knitting fabric.

[0004] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0005] A local elastic warp knitting shoe material fabric, comprising a fabric body, the fabric body is composed of four kinds of raw materials A, B, C and D, the fabric body is composed of eight guide bars GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2, GB5 and GB6; raw materials A, B and C are polyester; raw material D is a large-diameter spandex yarn;

[0006] The process organization of the fabric body is:

[0007] GB1: 1-0 / 0-1 / / 1A;

[0008] GB2: 1-0-1-2 / 2-3-2-1 / / 1B;

[0009] JB3.1: 1-0-1-1 / 1-2-1-1 / / 1C;

[0010] JB3.2: 1-0-1-1 / 1-2-1-1 / / 1C;

[0011] JB4.1: 1-0-1-1 / 1-2-1-1 / / 1D;

[0012] JB4.2: 1-0-1-1 / 1-2-1-1 / / 1D;

[0013] GB5: 1-0-1-1 / 0-1-1-1 / / 1A;

[0014] GB6: 1-0 / 2-3 / / 1C;

[0015] The delivery amount is:

[0016] GB1: 3.3mm / row;

[0017] GB2: 12.2mm / row;

[0018] JB3.1: 4.9mm / row;

[0019] JB3.2: 4.9mm / row;

[0020] JB4.1: 2.4mm / row;

[0021] JB4.2: 2.4mm / row;

[0022] GB5: 4mm / row;

[0023] GB6: 4.2mm / row.

[0024] Preferably, the raw material A is a polyester DTY 100D / 48F light net, the raw material B is a polyester monofilament 30D / 1F, the raw material C is a polyester DTY 150D / 48F light net, and the raw material D is a spandex 210D.

[0025] Preferably, the raw material D is composed of 14 single spandexes of 15D.

[0026] Preferably, the fabric body has a horizontal density of 8-12wpc, a vertical density of 12-20cpc, a drawing density of 10-18cpc, and a gram weight of 400-700g / m 2 .

[0027] Preferably, the fabric body has a horizontal density of 11wpc, a vertical density of 16cpc, a drawing density of 14cpc, and a gram weight of 581g / m 2 .

[0028] By adopting the foregoing technical solutions, the fabric body has the following advantages:

[0029] The technical scheme selects large-denier spandex yarn as the fabric raw material, the raw material has large elastic elongation and retracting force, and combined with the weaving process, the elasticity of the elastic area in the horizontal and vertical directions is moderate, and the elasticity of the non-elastic area is controlled, the large-denier spandex yarn has less number and good evenness, and therefore the probability of overlapping is reduced, the spandex yarn has large elasticity and can well control the elasticity of the fabric, has high breaking elongation, low modulus and high elastic recovery rate, the spandex yarn can be dyed and can well absorb disperse dyes, and the phenomenon of white cloth surface and uneven color is avoided, the polyester low-elastic yarn is processed through drafting and false twisting, has high breaking strength and elastic modulus, and has moderate resilience and excellent heat setting performance, the polyester yarn and the spandex yarn are interwoven, the polyester yarn has moderate resilience, low-elastic comfort, high breaking strength and elastic modulus, and

[0030] In production, eight guide bars are involved in weaving, two ground bars are arranged in front of and behind the jacquard guide bar, the disc head positive type let-off mechanism is selected for the jacquard guide bar, the tension between yarns is balanced, and longitudinal streak defects do not occur. The front jacquard is inserted into the polyester low-elastic yarn, according to the jacquard needle deviation signal, the loop loses contact in the vertical direction, and therefore the air-permeable mesh with different sizes and lengths is formed in the arbitrary area. The rear jacquard is inserted into the spandex yarn and is used to control the horizontal and vertical elasticity of the cloth surface, in the elastic area such as the shoe opening, the spandex yarn is woven into three needle inclined organization, so that the cloth surface has horizontal and vertical elasticity, in the non-elastic area such as the toe, the spandex yarn is woven into chain stitch, so that the cloth surface loses horizontal elasticity and the vertical elasticity is reduced to the minimum, and the integral weaving of the local elastic warp-knitted fabric is realized. The front of the jacquard guide bar has a chain stitch ground bar, which is used to control the loop direction and assist in forming the mesh, and a single yarn ground bar is used to connect the loops of the front and rear needle beds and form a three-layer mesh structure. The rear of the jacquard guide bar has a chain stitch ground bar which forms loops on the front needle bed and is used to lock the spandex yarn, and a plain ground bar is used to form a soft bottom which closely contacts the foot surface. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a configuration structure schematic diagram of the guide bar of the embodiment of the utility model;

[0032] Figure 2 It is a fabric raw material process structure schematic diagram in the embodiment of the utility model. DETAILED DESCRIPTION

[0033] The implementation mode of the utility model will be described in detail in combination with specific embodiments, so that the process of how to apply technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0034] EMBODIMENT

[0035] REFERENCE Figure 1 and Figure 2A kind of local elastic warp shoe material fabric, including fabric body, the fabric body is knitted by A, B, C, D four raw materials, the fabric body is woven by GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2, GB5, GB6 eight guide bar, raw material A, B, C are all polyester;Raw material D is big fineness spandex silk, specifically, the specification of raw material A is polyester DTY100D / 48F light net, the specification of raw material B is polyester monofilament 30D / 1F, the specification of raw material C is polyester DTY150D / 48F light net, the specification of raw material D is spandex 210D, on product, select the above-mentioned raw material, the horizontal density of the fabric body is 11wpc, the vertical density is 16cpc, the drawing density is 14cpc, and the grammage is 581g / m 2 .

[0036] Wherein, the raw material D is composed of 14 single spandex of 15D, the raw material elastic elongation and retraction force are large, and cooperating with weaving process, the elasticity of elastic region in horizontal and vertical directions is moderate, and the elasticity of non-elastic region is controlled;The fabric is interwoven by polyester low-elastic yarn and spandex, the polyester yarn has moderate resilience, low-elastic comfort, high breaking strength and elastic modulus.

[0037] Wherein, the spandex silk has high warping requirement, the spandex of the project uses GE-628 type computer warping machine, so that the yarn can have minimum friction, constant elongation, constant tension in the whole warp length and consistent tension of all yarns in the warp layer during warping process.

[0038] The process organization of the fabric body is as follows:

[0039] GB1: 1-0 / 0-1 / / 1A;

[0040] GB2: 1-0-1-2 / 2-3-2-1 / / 1B;

[0041] JB3.1: 1-0-1-1 / 1-2-1-1 / / 1C;

[0042] JB3.2: 1-0-1-1 / 1-2-1-1 / / 1C;

[0043] JB4.1: 1-0-1-1 / 1-2-1-1 / / 1D;

[0044] JB4.2: 1-0-1-1 / 1-2-1-1 / / 1D;

[0045] GB5: 1-0-1-1 / 0-1-1-1 / / 1A;

[0046] GB6: 1-0 / 2-3 / / 1C;

[0047] Warping amount is:

[0048] GB1: 3.3 mm / course;

[0049] GB2: 12.2 mm / course;

[0050] JB3.1: 4.9 mm / course;

[0051] JB3.2: 4.9 mm / course;

[0052] JB4.1: 2.4 mm / course;

[0053] JB4.2: 2.4 mm / course;

[0054] GB5: 4 mm / course;

[0055] GB6: 4.2 mm / course.

[0056] Wherein, as shown above, in production, there are eight guide bars participating in knitting, and there are two ground bars (GB) before and after the jacquard guide bar (JB), and the selected model of this project is a 22E RDPJ6 / 2 double-jacquard warp knitting machine, the jacquard guide bar selects a disc head positive type let-off mechanism, the yarn tension is balanced, and longitudinal streak defects do not occur.

[0057] The front and rear jacquard guide bars cooperate with each other, not only can make the fabric open and breathable, but also can knit different organizations in different areas according to the elastic requirements, and realize the control of the elasticity of the fabric: the front jacquard penetrates into polyester low-elastic yarn, according to the jacquard needle deviation signal, the loop loses contact in the longitudinal direction, so as to form a breathable mesh with different sizes and lengths in any area. The rear jacquard penetrates into spandex to control the horizontal and vertical elasticity of the fabric. In the elastic area such as the shoe opening, the spandex knits three needle warp inclined organization, so that the fabric can have elasticity in horizontal and vertical directions; in the non-elastic area such as the toe, the spandex knits chain stitch, so that the fabric loses horizontal elasticity and reduces the vertical elasticity to the minimum, realizing the integrated knitting of the local elastic warp knitted fabric.

[0058] There is a chain stitch ground bar before the jacquard guide bar, which is used to control the loop direction and assist in forming the mesh; there is also a single filament ground bar, which is used to connect the front and rear needle bed loops to form a three-layer mesh structure. There is a chain stitch ground bar behind the jacquard guide bar, which is used to lock the spandex yarn; there is also a plain ground bar, which is used to form a soft bottom close to the foot.

[0059] The technical scheme selects large-denier spandex yarn as the fabric raw material, the raw material has large elastic elongation and retracting force, and cooperation with the weaving process can make the elasticity of the elastic area moderate in the horizontal and vertical directions, and control the elasticity of the non-elastic area, the large-denier spandex yarn has less number and good evenness, so the probability of overlapping is reduced, the spandex yarn has large elasticity and can well control the elasticity of the fabric, has high breaking elongation, low modulus and high elastic recovery rate, the spandex yarn can be dyed and can well absorb disperse dyes, and the phenomenon of white cloth surface and uneven color is avoided, the polyester low-elastic yarn is processed by drawing and false twisting, has high breaking strength and elastic modulus, moderate resilience and excellent heat setting performance, the polyester yarn and the spandex yarn are interwoven, the polyester yarn has moderate resilience, low-elastic comfort, high breaking strength and elastic modulus.

[0060] In the process, the finished product obtained after the fabric body is pre-shaped, dyed and stenter set is detected by the Fujian Fiber Inspection Center, and the fabric has fully met the requirements of the Fujian Fiber Inspection Center and customers, and the details of the specific indexes are as follows:

[0061]

[0062]

[0063] As shown in the table, the color fastnesses such as dry and wet rubbing resistance, sweat resistance and soaping resistance of the fabric all reach level 3 or above, which shows that the fabric has good color fastness, the fabric reaches level 4 in pilling, which shows that the pilling performance is good and the fabric can be used as a shoe upper, the bursting strength of the fabric reaches 2.60*103kPa and the tear strength is high, which shows that the fabric has very good strength, and all the detection indexes of the fabric meet the requirements of the shoe upper material, so the fabric quality meets the predetermined design requirements of the project.

[0064] Correspondingly, according to the different specific models of the four kinds of raw materials A, B, C and D, the parameters of the fabric body are in the intervals of 8-12wpc of the horizontal density, 12-20cpc of the vertical density, 10-18cpc of the drawing density and 400-700g / m 2 of the grammage.

[0065] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, those skilled in the art should understand that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all the changes are within the protection scope of the utility model.

Claims

1. A locally elastic warp shoe fabric characterized in that: The fabric body is knitted by four kinds of raw materials A, B, C and D, and the fabric body is knitted by eight guide bars GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2, GB5 and GB6; the raw material A, B and C are polyester; the raw material D is large fineness spandex yarn; The process structure of the fabric body is: The let-off amount is: GB1: 3.3mm / row; GB2: 12.2mm / row; JB3.1: 4.9mm / row; JB3.2: 4.9mm / row; JB4.1: 2.4mm / row; JB4.2: 2.4mm / row; GB5: 4mm / row; GB6: 4.2mm / row.

2. A locally elastic warp shoe fabric according to claim 1, characterized in that: The specification of the raw material A is polyester DTY 100D / 48F light net, the specification of the raw material B is polyester monofilament 30D / 1F, the specification of the raw material C is polyester DTY 150D / 48F light net, and the specification of the raw material D is spandex 210D.

3. A locally elastic warp shoe fabric according to claim 2, characterized in that: The raw material D is composed of 14 single spandex yarns with 15D.

4. A locally elastic warp shoe fabric according to claim 2, characterized in that: The fabric body has a horizontal density of 8-12 wpc, a vertical density of 12-20 cpc, a drawing density of 10-18 cpc, and a weight of 400-700 g / m 2 .

5. A locally elastic warp shoe fabric according to claim 4, characterized in that: The fabric body has a horizontal density of 11 wpc, a vertical density of 16 cpc, a drawing density of 14 cpc, and a weight of 581 g / m 2 .

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