A loom and weaving method for weaving irregular perforated woven shoe uppers.

Abstract

This invention provides a loom and weaving method for weaving irregularly perforated woven shoe uppers, relating to the textile field. The loom structure includes: a warp feeding mechanism, a shedding mechanism, a weft insertion mechanism, a beat-up mechanism, a crimping mechanism, and a jacquard mechanism. The shedding mechanism includes: a first heald group and a second heald group, which are arranged sequentially along the weft yarn's direction of travel. The jacquard mechanism independently controls the metal heals to move up and down alternately according to a set design. The irregularly perforated woven shoe upper woven by the loom and weaving method of this invention has its perforated structure and ordinary texture structure woven continuously in one operation. At the same time, the boundary line between the perforated structure and the ordinary texture structure can form an irregular curve, which not only adds a pattern to the fabric but also improves its breathability, thereby solving the problem of poor breathability of woven fabrics in shoe upper applications.

Description

Technical Field

[0001] This invention relates to the textile field, and more specifically, to a loom and weaving method for weaving irregularly perforated woven shoe uppers. Background Technology

[0002] Traditional two-way woven fabrics are made by interlacing warp and weft yarns on a loom. The longitudinal yarns parallel to the selvage are called warp yarns, and the transverse yarns perpendicular to the selvage are called weft yarns. The intersection of warp and weft yarns is called the weft point. After decades of development in the textile industry, woven fabrics have become the main material for shoe uppers. However, since the warp and weft yarns of woven fabrics are interlaced, the gaps between the yarns are smaller, so woven fabrics have poorer breathability than knitted fabrics.

[0003] Existing woven fabrics have already encountered the problem of using heddle structures to weave leno weaves to improve the breathability of woven fabrics. The main principle of leno weave is that the warp yarns twist to each other, so that the warp yarns within the heddle group occupy more space, while the adjacent heddle groups are separated. The twisting also separates the adjacent weft yarns, preventing them from adhering tightly, thus forming yarn holes and improving the fabric's breathability. However, leno weave requires the installation of multiple heddle structures on the loom to achieve, making the weaving process relatively cumbersome. At the same time, because the yarn twisting creates uneven points at the weave points, it affects wearing comfort. Therefore, there is an urgent need for a perforated woven fabric that can increase the porosity of the weave points without warp yarn twisting. Therefore, the applicant proposes a loom and weaving method for weaving irregular perforated woven shoe uppers. Summary of the Invention

[0004] This invention provides a loom and weaving method for weaving irregular perforated woven shoe uppers, aiming to improve the technical problems of the cumbersome weaving and poor wearing comfort of existing woven fabrics with leno weave.

[0005] A loom for weaving irregularly perforated woven shoe uppers includes: a warp feeding mechanism, a shedding mechanism, a weft insertion mechanism, a beat-up mechanism, and a crimping mechanism, wherein the shedding mechanism includes:

[0006] The first heddle group consists of a column of at least two metal heddles.

[0007] The second heddle group consists of a column of at least two metal heddles.

[0008] The first heald set and the second heald set are arranged sequentially along the direction of weft yarn travel;

[0009] The loom also includes a jacquard mechanism, which independently controls the metal heddles to move up and down alternately according to the design.

[0010] The first heddle group includes a first metal heddle and a second metal heddle. The first metal heddle is raised and the second metal heddle is lowered to form a shed. Two or more weft yarns are introduced into the shed, and the warp and weft yarns are beaten to form a perforated structure.

[0011] Furthermore, the width of the loom determines the number of rows of heald frames. A rapier loom typically has 25 to 30 rows of heald frames.

[0012] Furthermore, the upper end of the metal heald is connected to the jacquard mechanism, and the lower end of the metal heald is connected to the loom body via a spring. The metal heald has a heald eye in the middle for the warp yarns to pass through. The metal heald moves up and down alternately independently, causing a portion of the warp yarns to be lifted and another portion of the warp yarns to sink to form a shed. The first heald group includes at least two metal heals, and the second heald group includes at least two metal heals.

[0013] Furthermore, the metal heddles of the second heddle group include a third metal heddle and a fourth metal heddle. The third metal heddle is controlled to rise and the fourth metal heddle is controlled to sink to form a shed and introduce a weft yarn. The warp and weft yarns are beaten to form a normal texture structure.

[0014] Furthermore, the warp feeding mechanism includes an upper warp beam and a lower warp beam, both of which are wound with the warp yarn.

[0015] Furthermore, the weft insertion mechanism includes a rapier arrow, through which the weft yarn is introduced into the shed.

[0016] Furthermore, the weft insertion mechanism includes a reed, which pushes the weft yarn toward the weft end to complete the warp and weft yarn interlacing.

[0017] This invention also provides a method for weaving irregular perforated woven shoe uppers, using the aforementioned loom for weaving irregular perforated woven shoe uppers, with the following weaving steps:

[0018] S1. The warp yarns of the upper and lower warp beams are passed through the heald eyes of the metal healds according to the pre-design requirements. Each warp yarn is controlled by a corresponding metal heald. After the warp yarn passes through the heald eye, two or more warp yarns to be bundled are passed into the same reed tooth. Therefore, when a bundle of warp yarns is passed into a reed tooth, the adjacent reed teeth will not pass into warp yarns and will form an empty reed.

[0019] S2. When weaving a perforated structure, the first metal helium of the first helium group is raised and the second metal helium is lowered to form a shed. Two or more weft yarns are introduced into the shed. The bundled warp yarns on the same reed tooth and the multiple weft yarns on the same shed are gathered together to form a perforated structure with holes between the weaving points.

[0020] S3. When weaving a normal texture, the third metal helium of the adjacent second helium group is raised and the fourth metal helium is lowered to form a shed and introduce a weft yarn. At this time, the warp and weft yarns do not gather into a bundle, forming a normal texture.

[0021] S4. Repeat steps two and three above to weave the predetermined perforated structure and ordinary texture structure in the predetermined design area to obtain a woven shoe upper fabric with the perforated structure and ordinary texture structure woven together. According to the pre-design, the woven shoe upper fabric can be woven together to form more than three shoe uppers along the weft direction. The woven shoe upper fabric can be cut into pieces along the shape of the shoe upper using a laser cutting machine. The pieces of woven shoe upper can then be used for the next process of shoe production.

[0022] Preferably, in step S3, the common texture is one or more of the following: plain weave, twill weave, satin weave, plain weave variation, twill weave variation, and satin weave variation.

[0023] Preferably, the number of weft yarns introduced into the shed of the first heddle group and the second heddle group is variable. When one weft yarn is introduced into the shed of the first heddle group, a normal texture structure is formed. When two or more weft yarns are introduced into the shed of the second heddle group, a perforated structure is formed.

[0024] Preferably, the metal heddles of the first heddle group and the metal heddles of the second heddle group are arranged closely together along the direction of the weft yarn, so the perforated structure and the ordinary texture structure are woven continuously in one go, and the boundary line between the perforated structure and the ordinary texture structure can form an irregular curve.

[0025] Beneficial effects:

[0026] The present invention uses a design in which the first and second heald groups are arranged sequentially along the direction of weft yarn travel. Combined with a weaving method, two or more warp yarns to be bundled are threaded into the same reed tooth, so that the bundled warp yarns of the same reed tooth and multiple weft yarns of the same shed are gathered together to form a bundle, and a perforated structure with holes between the weaving points is woven, so that the woven woven shoe upper includes a perforated structure.

[0027] Meanwhile, the tightly arranged metal heddles and the jacquard mechanism allow each metal heddle to move up and down independently according to the design, enabling the continuous weaving of perforated and ordinary weave structures. At the same time, the boundary between the perforated and ordinary weave structures can form an irregular curve, which not only adds a pattern to the fabric but also improves its breathability, thereby solving the problem of poor air permeability of woven fabrics. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 This is a side view of the woven shoe upper fabric with irregular perforated structure according to the present invention;

[0030] Figure 2 This is a three-dimensional structural diagram of the main mechanism of the loom of the present invention;

[0031] Figure 3 This is a simplified structural diagram of the loom of the present invention;

[0032] Figure 4 This is a schematic diagram of the metal heald and yarn movement of the present invention;

[0033] Figure 5 This is a schematic diagram of the structure of the woven perforated structure of the present invention;

[0034] Figure 6 This is a schematic diagram of the structure of the ordinary weave pattern of the present invention;

[0035] Figure 7 This is a schematic diagram of the irregular perforated woven shoe upper structure in the first embodiment of the present invention;

[0036] Figure 8 yes Figure 7 Enlarged view of the structure of A in the middle;

[0037] Figure 9 This is a structural diagram of the porous structure and the ordinary texture structure in the first embodiment of the present invention;

[0038] Figure 10 This is a three-dimensional structural diagram of the porous structure and the ordinary texture structure in the second embodiment of the present invention.

[0039] In the diagram: Warp feeding mechanism-1, upper warp beam-101, lower warp beam-102, shedding mechanism-2, metal heald-21, first metal heald-211, second metal heald-212, heald eye-213, third metal heald-221, fourth metal heald-222, weft insertion mechanism-3, beat-up mechanism-4, reed-401, crimping mechanism-5, jacquard mechanism-6, warp yarns-7, first warp yarn-701, second warp yarn-702, third warp yarn-703, fourth warp yarn-704, fifth warp yarn-705, sixth warp yarn-706, weft yarns-8, first weft yarn-801, second weft yarn-802, third weft yarn-803, fourth weft yarn-804, fifth weft yarn-805, sixth weft yarn-806, woven shoe upper fabric-9, perforated structure-901, ordinary texture structure-902. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example 1, please refer to Figures 1 to 3 The first embodiment of the present invention provides a loom for weaving irregular perforated woven shoe uppers, including: a warp feeding mechanism 1, an shedding mechanism 2, a weft insertion mechanism 3, a beat-up mechanism 4, a crimping mechanism 5, and a jacquard mechanism 6; the shedding mechanism 2 includes 30 rows of heddle groups, each row of heddle groups is composed of two metal heddles 21, and the heddles are arranged sequentially along the travel direction of the weft yarn 8; the jacquard mechanism 6 independently controls the metal heddles 21 to move up and down alternately according to the set design.

[0042] Specifically, the upper end of the metal heddle 21 is connected to the jacquard mechanism 6, and the lower end of the metal heddle 21 is connected to the loom body through a spring. The metal heddle 21 has a heddle eye 213 in the middle through which the warp yarns 7 can pass. The metal heddle 21 moves up and down alternately independently, causing a part of the warp yarns 7 to be lifted and another part of the warp yarns 7 to sink to form a shed.

[0043] In addition, the warp feeding mechanism 1 includes an upper warp beam 101 and a lower warp beam 102, both of which are wound with the warp yarn 7.

[0044] Meanwhile, the weft insertion mechanism 3 includes a rapier arrow, through which the weft yarn 8 is introduced into the shed. The beat-up mechanism 4 includes a reed 401, which pushes the weft yarn 8 toward the weft opening to complete the warp and weft yarn interlacing.

[0045] Specifically, please refer to Figures 4 to 6 Using the aforementioned loom, the weaving steps for weaving an irregularly perforated woven shoe upper in this embodiment are as follows:

[0046] S1. The warp yarns 7 of the upper warp beam 101 and the lower warp beam 102 are passed through the heald eye 213 of the metal heald 21 according to the pre-design requirements. Each warp yarn 7 is controlled by a corresponding metal heald 21. After the warp yarn 7 passes through the heald eye 213, two or more warp yarns 7 to be bundled are passed into the same reed tooth of the steel reed 401. Therefore, when a bundle of warp yarns is passed into a reed tooth, the adjacent reed teeth will not pass into warp yarns and will form an empty reed.

[0047] S2. When weaving the perforated structure 901, the first metal helium 211 of the first helium group is raised and the second metal helium 212 is lowered to form a shed. Three weft yarns 8 are introduced into the shed. The bundled warp yarns 7 on the same reed tooth and the multiple weft yarns 8 on the same shed are gathered into a bundle to form a perforated structure 901 with holes between the weaving points.

[0048] S3. When weaving the ordinary texture 902, the third metal helium 221 of the adjacent second helium group is raised and the fourth metal helium 222 is lowered to form a shed and introduce a weft yarn 8. At this time, the warp and weft yarns are not bundled together, forming the ordinary texture 902. The 30 helium groups on the loom weave the perforated texture 901 and the ordinary texture 902 in the area according to the predetermined design. At the same time, the number of weft yarns 8 introduced into the shed of the helium group is variable. When the shed of the first helium group introduces one weft yarn 8, the ordinary texture 902 is formed. When the shed of the second helium group introduces three weft yarns 8, the perforated texture 901 is formed.

[0049] S4. Repeat steps two and three above to weave the predetermined perforated structure 901 and ordinary texture structure 902 in the predetermined design area to obtain a woven shoe upper fabric 9 woven with the perforated structure 901 and ordinary texture structure 902. According to the pre-design, in this embodiment, the woven shoe upper fabric 9 can be woven into 3 shoe uppers in one go along the weft direction. The woven shoe upper fabric 9 is then cut into pieces along the shape of the shoe upper by a laser cutting machine. The pieces of woven shoe upper can then be used for the next process of shoe production.

[0050] In step S3 of this embodiment, the ordinary texture 902 is a plain texture area.

[0051] Please see Figures 7 to 9 In this embodiment, the perforated structure 901 and the ordinary texture structure 902 of the woven shoe upper are woven together continuously.

[0052] Specifically, such as Figure 8 As shown, the first warp yarn 701, the third warp yarn 703, the fourth warp yarn 704, the sixth warp yarn 706, and the weft yarn 8 have more interlacing points, while the second warp yarn 702, the fifth warp yarn 705, and the weft yarn 8 sandwiched in the middle have fewer interlacing points and longer floats. This configuration separates the third warp yarn 703 and the fourth warp yarn 704 from each other, and also separates the third weft yarn 803 and the fourth weft yarn 804 from each other, thus allowing the first warp yarn 701, the second warp yarn 702, and the third warp yarn 703 to interlac with each other. The fourth warp yarn 704, the fifth warp yarn 705, and the sixth warp yarn 706 are bundled together, and the first weft yarn 801, the second weft yarn 802, the third weft yarn 803, the fourth weft yarn 804, the fifth weft yarn 805, and the sixth weft yarn 806 are bundled together. Therefore, holes are formed between the third warp yarn 703 and the fourth warp yarn 704, and holes are formed between the third weft yarn 803 and the fourth weft yarn 804. This allows holes to be formed between the yarn weaving points without twisting the warp yarns, thus improving the permeability of the fabric.

[0053] Example 2, refer to Figure 10 This is a structural schematic diagram provided by the second embodiment of the present invention. The structure of the second embodiment is largely the same as that of the first embodiment. The difference is that when weaving the perforated structure 901, the number of weft yarns 8 introduced into the shed is five. In this embodiment, because the number of weft yarns 8 introduced into the shed is five, the bundled warp yarns 7 on the same reed tooth and the five weft yarns 8 on the same shed are more clustered together. Therefore, the holes between the weaving points are larger than the holes in the first embodiment with three weft yarns introduced, and the permeability is better.

[0054] The implementation principle and technical effects of the second embodiment of the present invention are the same as those of the first embodiment. For the sake of brevity, any parts not mentioned in this embodiment can be referred to the corresponding content in the first embodiment.

[0055] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the invention by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. A loom for weaving irregularly perforated woven shoe uppers, comprising: The warp feeding mechanism (1), the shedding mechanism (2), the weft insertion mechanism (3), the beating mechanism (4), and the coiling mechanism (5) are characterized in that the shedding mechanism (2) includes: The first heddle group consists of a column of at least two metal heddles. The second heddle group consists of a column of at least two metal heddles. The first heald group and the second heald group are arranged sequentially along the direction of travel of the weft yarn (8); The loom also includes a jacquard mechanism (6), which independently controls the metal heddles to move up and down alternately according to the design. The first heddle group includes a first metal heddle (211) and a second metal heddle (212). The first metal heddle (211) is raised and the second metal heddle (212) is lowered to form a shed. Two or more weft yarns (8) are introduced into the shed. The warp and weft yarns are beaten to form a perforated structure (901), so that holes can be formed between the yarn structure points without twisting the warp yarns. The second heddle group includes a third metal heddle (221) and a fourth metal heddle (222). The third metal heddle (221) is raised and the fourth metal heddle (222) is lowered to form a shed and introduce a weft yarn (8). The warp and weft yarns are beaten to form a normal texture structure (902).

2. The loom for weaving irregularly perforated woven shoe uppers according to claim 1, characterized in that, The upper end of the metal heddle is connected to the jacquard mechanism (6), and the lower end of the metal heddle is connected to the loom body through a spring. The metal heddle has a heddle eye (213) in the middle for the warp yarns (7) to pass through. The metal heddle moves up and down independently, causing a portion of the warp yarns (7) to be lifted and another portion of the warp yarns (7) to sink to form a shed.

3. The loom for weaving irregularly perforated woven shoe uppers according to claim 2, characterized in that, The warp feeding mechanism (1) includes an upper warp beam (101) and a lower warp beam (102), both of which are wound with the warp yarn (7).

4. A loom for weaving irregularly perforated woven shoe uppers according to claim 2, characterized in that, The weft insertion mechanism (3) includes a rapier arrow, and the weft yarn (8) is introduced into the shed by the rapier arrow.

5. A loom for weaving irregularly perforated woven shoe uppers according to claim 2, characterized in that, The weft insertion mechanism (4) includes a reed (401), which pushes the weft yarn (8) toward the weft end to complete the warp and weft yarn interlacing.

6. A method for weaving an irregularly perforated woven shoe upper, comprising using a loom for weaving an irregularly perforated woven shoe upper as described in any one of claims 1-5, characterized in that, The weaving process includes the following steps: S1. Pass the warp yarns (7) of the upper warp beam (101) and the lower warp beam (102) through the heddle eye (213) of the metal heddle according to the pre-design requirements. After the warp yarns (7) pass through the heddle eye (213), insert two or more warp yarns (7) to be bundled into the same reed tooth of the steel reed (401). S2. When weaving the openwork structure (901), the first metal helium (211) of the first helium group is raised and the second metal helium (212) is lowered to form a shed. Two or more weft yarns (8) are introduced into the shed. The bundled warp yarns (7) on the same reed tooth and the multiple weft yarns (8) on the same shed are gathered into a bundle to form an openwork structure (901) with holes between the weaving points. S3. When weaving a normal texture (902), the third metal heddle (221) of the adjacent second heddle group is raised and the fourth metal heddle (222) is lowered to form a shed and introduce a weft yarn (8). At this time, the warp and weft yarns are not gathered into a bundle, forming a normal texture (902). S4. Repeat steps two and three above to weave the predetermined perforated structure (901) and ordinary texture structure (902) in the predetermined design area to obtain a woven shoe upper fabric (9) woven with the perforated structure (901) and ordinary texture structure (902) in one piece.

7. The weaving method for an irregular perforated woven shoe upper according to claim 6, characterized in that, The common texture (902) is one or more of the following: plain weave texture area, twill weave texture area, satin weave texture area, plain weave variation texture area, twill weave variation texture area, and satin variation texture area.

8. The weaving method for an irregular perforated woven shoe upper according to claim 6, characterized in that, The number of weft yarns (8) introduced into the shed of the first heddle group and the second heddle group is variable. When one weft yarn (8) is introduced into the shed of the first heddle group, a normal texture structure (902) is formed. When two or more weft yarns (8) are introduced into the shed of the second heddle group, a perforated structure (901) is formed.

9. The method for weaving an irregular perforated woven shoe upper according to claim 6, characterized in that, The metal heddles of the first heddle group and the metal heddles of the second heddle group are arranged closely together along the direction of the weft yarn.

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