A method for weaving warp-knitted jacquard fabric and the fabric itself

Abstract

This invention provides a method for weaving warp-knitted jacquard fabric and the fabric itself. The method utilizes a single jacquard warp knitting machine with eight guide bars. Guide bars GB1, GB2, and GB5 act on the front needle bed, forming a woven-look surface layer through warp knitting and weft weaving. Guide bars GB3, GB6, and GB7 act on the back needle bed, forming a bottom layer through warp knitting and weft weaving. JB4.1 and JB4.2 act on both the front and back needle beds, forming a jacquard layer through chain stitch weaving. The warp-knitted jacquard fabric obtained by this invention exhibits the pattern effect of woven heddle products. Furthermore, the fabric has slight weft elasticity, good foot feel and wrapping properties, no longitudinal elasticity, good dimensional stability, and the loops are not easily unraveled, resulting in excellent durability.

Description

Technical Field

[0001] This invention relates to the field of warp knitting technology, specifically to a method for weaving warp-knitted jacquard fabric and the fabric itself. Background Technology

[0002] Woven jacquard hemp fabric is a type of woven product. Patent CN116163050A describes a woven jacquard hemp breathable shoe upper fabric and its weaving method. The characteristic of woven jacquard hemp fabric is that the warp yarns include two types, namely the tucked yarn and the skein yarn. The skein yarn wraps around the tucked yarn from left to right to form a skein yarn unit. Each skein yarn unit contains at least one tucked yarn, and breathable areas are formed between the skein yarn units. The resulting shoe upper fabric has good breathability and a unique shape, and is very popular in the market.

[0003] However, these woven products also have problems such as poor elasticity, poor foot comfort and fit, and poor stability.

[0004] Warp-knitted fabric is a type of fabric that combines good dimensional stability and good extensibility. It can effectively give the fabric a certain elasticity in the weft direction, allowing the fabric to achieve an extension that matches human movement.

[0005] In addition, warp-knitted fabrics have high production efficiency, and it is essential to develop warp-knitted fabrics to achieve the wearing characteristics of woven hemp fabrics. Summary of the Invention

[0006] This invention addresses the aforementioned technical problems by configuring warp knitting equipment, designing yarn threading methods and padding structures, and employing a single Jacquard warp knitting machine with eight guide bars. It provides a method for weaving warp-knitted jacquard fabrics with woven heddle effects and a shoe upper.

[0007] As a first aspect of the present invention, a method for weaving warp-knitted jacquard fabric is provided, comprising the following steps:

[0008] (1) Equipment configuration: Select a single Jacquard warp knitting machine with 8 guide bars. The guide bars are arranged from the front needle bed to the back needle bed on the single Jacquard warp knitting machine in the following order: guide bars GB1, GB2, GB3, JB4.1, JB4.2, GB5, GB6, GB7. Among them, guide bars GB1, GB2, and GB5 act on the front needle bed, guide bars GB3, GB6, and GB7 act on the back needle bed, and Jacquard guide bars JB4.1 and JB4.2 act on both the front and back needle beds.

[0009] (2) Weaving surface layer: The first yarn is inserted into the guide bar GB1 in a full-through manner to weave a 0-0-0-0 / 3-3-3-3 / / structure; the second yarn is inserted into the guide bars GB2 and GB5 in a one-through-one-open manner to weave a 1-0-1-1 / 1-2-1-1 / / and a 1-1-1-2 / 1-1-1-0 / / structure respectively;

[0010] (3) Weaving the jacquard layer: Jacquard comb JB4.1 inserts the third yarn in a full-through manner to weave a 1-0-1-0 / 0-1-0-1 / / structure; Jacquard comb JB4.2 inserts the fourth yarn in a full-through manner to weave a 1-0-1-0 / 0-1-0-1 / / structure.

[0011] (4) Weaving the bottom layer: The fifth yarn is inserted into the guide bar GB3 in a one-through-one-open manner to weave 1-1-1-0 / 1-1-1-2 / / structure; the sixth yarn is inserted into the guide bar GB6 in a full-through manner to weave 1-1-1-2 / 1-1-1-0 / / structure; the seventh yarn is inserted into the guide bar GB7 in a full-through manner to weave 0-0-0-0 / 3-3-3-3 structure.

[0012] Furthermore, both the first and second yarns are transparent yarns.

[0013] Furthermore, the third and fourth yarns have different yarn characteristics.

[0014] Furthermore, the fifth, sixth, and seventh yarns are polyester low-elasticity multifilament yarns.

[0015] Furthermore, the first yarn and the second yarn are polyester monofilaments.

[0016] Furthermore, the third and fourth yarns differ in color, fineness, or type.

[0017] Furthermore, the third yarn and the fourth yarn are cationic yarn and polyester yarn, respectively.

[0018] Furthermore, the sixth and seventh yarns are functional yarns, including but not limited to antibacterial yarns, far-infrared yarns, and cooling yarns.

[0019] As a second aspect of the invention, a warp-knitted jacquard fabric with a woven twisted effect is provided, the fabric being made by the weaving method described above.

[0020] The warp-knitted jacquard fabric produced by this invention can be used in shoe materials and also in clothing.

[0021] Compared with the prior art, the beneficial effects of the present invention are reflected in:

[0022] 1. The warp-knitted jacquard fabric of the present invention has the pattern effect of woven heddle products. At the same time, the fabric obtained by weaving is slightly elastic in the weft direction, has good foot feel and wrapping, no elasticity in the longitudinal direction, good product dimensional stability, and the loops are not easy to unravel, and have excellent durability.

[0023] 2. The warp-knitted jacquard fabric of the present invention can achieve a two-color jacquard effect through the two-color chain weaving structure of Jacquard comb, and the pattern effect is richer.

[0024] 3. The warp-knitted jacquard fabric of the present invention uses monofilament for the surface layer and multifilament for the bottom layer, which can ensure both the wear resistance of the shoe surface and the comfort of the skin-friendly bottom layer. Attached Figure Description

[0025] Figure 1 This is a fabric weave diagram according to Embodiment 1 of the present invention;

[0026] Figure 2 This is a diagram showing the yarn weave structure of each comb bar according to Embodiment 1 of the invention;

[0027] Figure 3 This is a schematic diagram of the fabric structure according to Embodiment 2 of the present invention.

[0028] Jacquard area 1, non-jacquard area 2. Detailed Implementation

[0029] The technical solution of the present invention will be further described in detail below with reference to the embodiments and accompanying drawings.

[0030] Example 1

[0031] This embodiment provides a warp-knitted jacquard fabric with a woven heddle effect, comprising a face layer, a back layer, and a jacquard layer connecting the face layer and the back layer. The face layer forms a lateral extension effect of loops through a weft weave and a warp plain weave woven with two guide bars to form a lateral extension effect of two sets of loops. The weft weave and the two sets of warp plain weaves are interlocked to ultimately form a woven heddle effect with good breathability. The jacquard layer is a chain weave used to form the jacquard effect of the face layer and connects the face layer and the back layer. The back layer is composed of two sets of warp plain weaves woven with three guide bars and one set of weft weave, ensuring the stability of the fabric in both the lateral and longitudinal directions. One set of warp plain weaves is located in front of the set of warp plain weaves in the face layer, thereby binding the two sets of warp plain weaves together and reinforcing the stability of the fabric.

[0032] The weaving method is as follows:

[0033] A method for weaving a warp-knitted jacquard fabric with a woven heddle effect includes the following steps:

[0034] (1) Equipment configuration: Select a single Jacquard warp knitting machine with 8 guide bars. The guide bars are arranged from the front needle bed to the back needle bed on the single Jacquard warp knitting machine in the following order: guide bars GB1, GB2, GB3, JB4.1, JB4.2, GB5, GB6, GB7. Among them, guide bars GB1, GB2, and GB5 act on the front needle bed, guide bars GB3, GB6, and GB7 act on the back needle bed, and Jacquard guide bars JB4.1 and JB4.2 act on both the front and back needle beds.

[0035] (2) Weaving surface layer: GB1 is threaded through the first yarn in a full-through manner, weaving a 0-0-0-0 / 3-3-3-3 / / structure; the guide bars GB2 and GB5 are threaded through the second yarn in a one-through-one-open manner, weaving a 1-0-1-1 / 1-2-1-1 / / and a 1-1-1-2 / 1-1-1-0 / / structure respectively;

[0036] (3) Weaving the jacquard layer: Jacquard comb JB4.1 inserts the third yarn in a full-through manner to weave a 1-0-1-0 / 0-1-0-1 / / structure; Jacquard comb JB4.2 inserts the fourth yarn in a full-through manner to weave a 1-0-1-0 / 0-1-0-1 / / structure.

[0037] (4) Weaving the bottom layer: The fifth yarn is inserted into the guide bar GB3 in a one-through-one-open manner to weave a 1-1-1-0 / 1-1-1-2 / / structure. The sixth yarn is inserted into the guide bar GB6 in a full-through manner to weave a 1-1-1-2 / 1-1-1-0 / / structure. The seventh yarn is inserted into the guide bar GB7 in a full-through manner to weave a 0-0-0-0 / 3-3-3-3 structure.

[0038] The weave pattern of the fabric obtained by this weaving method is as follows: Figure 1 As shown, the padding pattern of each comb bar is as follows: Figure 2 As shown.

[0039] In this embodiment, the first and second yarns are 100D transparent polyester monofilaments; the third yarn is 150D / 48F low-elastic polyester yarn; the fourth yarn is 150D / 48F cationic polyester low-elastic yarn; and the fifth, sixth, and seventh yarns are 150D / 48F polyester low-elastic yarn.

[0040] After the fabric is woven, it can undergo processes such as washing, pre-setting, dyeing, setting, and finishing according to production needs to obtain the final product.

[0041] The weaving process sheet for this embodiment is shown in Table 1:

[0042] Table 1 Fabric weaving process sheet for Example 1

[0043]

[0044] Example 2

[0045] This embodiment provides a warp-knitted jacquard fabric with a woven heddle effect, comprising a face layer, a back layer, and a jacquard layer connecting the face layer and the back layer. The jacquard layer is present in a portion of the fabric. The face layer uses a weft-insertion structure to create a lateral loop extension effect, and a warp plain weave with two guide bars to create two sets of longitudinal loop extension visual effects. The weft-insertion structure and the two sets of warp plain weaves interlock, ultimately forming a woven heddle visual effect with good breathability. The jacquard layer is a chain weave structure used to create the jacquard effect of the face layer, i.e., forming jacquard area 1. The top and bottom layers are connected. When the top layer does not require jacquard, the Jacquard combs JB4.1 and JB4.2 are woven with a 1-1-1-1 / 1-1-1-1 / / padding structure. At this time, there is no jacquard in this area, forming a non-jacquard area 2. The bottom layer is composed of two sets of warp plain weave and one set of weft weave woven with three combs, which ensures the stability of the fabric in the horizontal and vertical directions. One set of warp plain weave is located in front of the set of warp plain weave in the top layer. Thus, the two sets of warp plain weave are bound together, which strengthens the stability of the fabric.

[0046] The weaving method is as follows:

[0047] A method for weaving a warp-knitted jacquard fabric with a woven heddle effect includes the following steps:

[0048] (1) Equipment configuration: Select a single Jacquard warp knitting machine with 8 guide bars. The guide bars are arranged from the front needle bed to the back needle bed on the single Jacquard warp knitting machine in the following order: guide bars GB1, GB2, GB3, JB4.1, JB4.2, GB5, GB6, GB7. Among them, guide bars GB1, GB2, and GB5 act on the front needle bed, guide bars GB3, GB6, and GB7 act on the back needle bed, and Jacquard guide bars JB4.1 and JB4.2 act on both the front and back needle beds.

[0049] (2) Weaving surface layer: The first yarn is inserted into the guide bar GB1 in a full-through manner to weave a 0-0-0-0 / 3-3-3-3 / / structure; the second yarn is inserted into the guide bars GB2 and GB5 in a one-through-one-open manner to weave a 1-0-1-1 / 1-2-1-1 / / and a 1-1-1-2 / 1-1-1-0 / / structure respectively;

[0050] (3) Weaving jacquard and non-jacquard layers: In the jacquard layer, the Jacquard comb JB4.1 is fully threaded through the third yarn to weave a 1-0-1-0 / 0-1-0-1 / / structure, and the Jacquard comb JB4.2 is fully threaded through the fourth yarn to weave a 1-0-1-0 / 0-1-0-1 / / structure; In the non-jacquard layer, the Jacquard combs JB4.1 and JB4.2 are woven into a 1-1-1-1 / 1-1-1-1 / / pad-deficient structure. At this time, it is a non-jacquard layer, which is only used to connect the surface layer and the bottom layer.

[0051] (4) Weaving the bottom layer: The fifth yarn is inserted into the guide bar GB3 in a one-through-one-open manner to weave a 1-1-1-0 / 1-1-1-2 / / structure. The sixth yarn is inserted into the guide bar GB6 in a full-through manner to weave a 1-1-1-2 / 1-1-1-0 / / structure. The seventh yarn is inserted into the guide bar GB7 in a full-through manner to weave a 0-0-0-0 / 3-3-3-3 structure.

[0052] In this embodiment, the first and second yarns are 100D transparent polyester monofilaments; the third yarn is 150D / 48F low-elastic polyester yarn; the fourth yarn is 150D / 48F cationic polyester low-elastic yarn; and the fifth, sixth, and seventh yarns are 150D / 48F polyester low-elastic yarn.

[0053] After the fabric is woven, it can undergo processes such as washing, pre-setting, dyeing, setting, and finishing according to production needs to obtain the final product.

[0054] The weaving process sheet for this embodiment is shown in Table 1:

[0055] Table 1 Fabric weaving process sheet for Example 1

[0056]

[0057] Example 3

[0058] This embodiment is an extension of Embodiments 1 and 2, the difference being the yarn configuration. In this embodiment, the sixth and seventh yarns are one of antibacterial yarn, far-infrared yarn, or cooling yarn. Since the bottom layer is the skin-contacting surface, the application of the functional yarns of the sixth and seventh yarns can give the shoe upper better wearability.

[0059] Comparative Example 1

[0060] In this comparative example, the knitting method in Example 1 is adjusted as follows: the guide bar GB3 moves along the front needle bed, using a 1-through-1-gap method to perform 1-1-1-2 / 1-1-1-0 / / weave knitting; the guide bar GB5 moves along the back needle bed, using a 1-through-1-gap method to perform 1-2-1-1 / 1-0-1-1 / / weave knitting; and the knitting method for the remaining weaves is the same as in the example.

[0061] Comparative Example 2

[0062] In this comparative example, the weaving method in Example 1 is adjusted as follows: the comb GB7 is not woven with yarn, and the remaining structure is the same as in Example 1.

[0063] The fabric properties tested in the above embodiments and comparative examples are shown in Table 2.

[0064] Table 2 Results of physical property tests for each fabric

[0065]

[0066] The results of the fabric property tests show that the strength of Comparative Example 1 and Comparative Example 2 is significantly lower than that of the fabrics in Example 1 and Example 2. The reasons are as follows: For Comparative Example 1, since the GB3 guide bar is arranged in front of the GB5 guide bar, during weaving, the GB3 guide bar, which is arranged in front, is used for the bottom layer weaving on the back needle bed, while the GB5 guide bar, which is arranged in back, is used for the top layer weaving on the front needle bed. Therefore, the yarns of GB3 and GB5 will form a binding effect, thereby strengthening the overall integrity of the fabric and improving its stability and strength. For Comparative Example 2, the weft weft structure with the left and right offset of the yarns in the guide bar GB7 greatly increases the weft stability of the fabric and interlocks with the warp plain weave, improving the overall strength.

[0067] It should be noted that the types of yarn provided in this embodiment are only some examples and do not mean that only the above-mentioned yarns are used. They include, but are not limited to, other types of yarns that can be used for shoe upper weaving in the prior art, such as cotton yarn, nylon, acrylic, wool, silk, polypropylene, Tencel, and other yarns. When other effects are to be achieved, the corresponding yarns can be selected accordingly. For example, in order to improve the moisture absorption of the bottom layer of the fabric, yarns with good moisture absorption, such as wool, cotton yarn, and Tencel, can be selected. For another example, in order to improve the abrasion resistance of the top layer of the fabric, nylon with excellent abrasion resistance can be selected. However, it should be noted that when selecting yarns, the yarn characteristics should not destroy the overall imitation woven effect of the shoe upper.

[0068] The above are merely preferred embodiments of the present invention, but do not limit the patent scope of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features.

[0069] Any equivalent structure made using the content of this specification, whether directly or indirectly applied to other related technical fields, is similarly within the scope of protection of this patent.

Claims

1. A method for weaving warp-knitted jacquard fabric, characterized in that: Includes the following steps: (1) Equipment configuration: Select a single Jacquard warp knitting machine with 8 guide bars. The guide bars are arranged from the front needle bed to the back needle bed on the single Jacquard warp knitting machine in the following order: guide bars GB1, GB2, GB3, JB4.1, JB4.2, GB5, GB6, GB7. Among them, guide bars GB1, GB2, and GB5 act on the front needle bed, guide bars GB3, GB6, and GB7 act on the back needle bed, and Jacquard guide bars JB4.1 and JB4.2 act on both the front and back needle beds. (2) Weaving surface layer: The first yarn is inserted into the guide bar GB1 in a full-through manner to weave a 0-0-0-0 / 3-3-3-3 / / structure; the second yarn is inserted into the guide bars GB2 and GB5 in a one-through-one-open manner to weave a 1-0-1-1 / 1-2-1-1 / / and a 1-1-1-2 / 1-1-1-0 / / structure respectively; (3) Weaving the jacquard layer: Jacquard comb JB4.1 inserts the third yarn in a full-through manner to weave a 1-0-1-0 / 0-1-0-1 / / structure; Jacquard comb JB4.2 inserts the fourth yarn in a full-through manner to weave a 1-0-1-0 / 0-1-0-1 / / structure. (4) Weaving the bottom layer: The fifth yarn is inserted into the guide bar GB3 in a one-through-one-open manner to weave a 1-1-1-0 / 1-1-1-2 / / structure. The sixth yarn is inserted into the guide bar GB6 in a full-through manner to weave a 1-1-1-2 / 1-1-1-0 / / structure. The seventh yarn is inserted into the guide bar GB7 in a full-through manner to weave a 0-0-0-0 / 3-3-3-3 structure.

2. The method for weaving warp-knitted jacquard fabric according to claim 1, characterized in that: The first yarn and the second yarn are transparent yarns.

3. The method for weaving warp-knitted jacquard fabric according to claim 1, characterized in that: The third and fourth yarns have different yarn characteristics.

4. The method for weaving warp-knitted jacquard fabric according to claim 1, characterized in that: The fifth, sixth, and seventh yarns are polyester low-elasticity multifilament yarns.

5. The method for weaving warp-knitted jacquard fabric according to claim 2, characterized in that: The first yarn and the second yarn are polyester monofilaments.

6. The method for weaving warp-knitted jacquard fabric according to claim 3, characterized in that: The third and fourth yarns are different in color, fineness, or type.

7. The method for weaving warp-knitted jacquard fabric according to claim 6, characterized in that: The third and fourth yarns are cationic yarn and polyester yarn, respectively.

8. The method for weaving warp-knitted jacquard fabric according to claim 4, characterized in that: The sixth and seventh yarns are functional yarns.

9. A warp-knitted jacquard fabric, characterized in that: The fabric is made by the weaving method described in any one of claims 1-8.

10. The application of the warp-knitted jacquard fabric of claim 9 in footwear materials.

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