CN220057171U - Core-spun yarn and double-core-spun yarn using same - Google Patents
Core-spun yarn and double-core-spun yarn using same Download PDFInfo
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- CN220057171U CN220057171U CN202320125885.2U CN202320125885U CN220057171U CN 220057171 U CN220057171 U CN 220057171U CN 202320125885 U CN202320125885 U CN 202320125885U CN 220057171 U CN220057171 U CN 220057171U
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- 239000000835 fiber Substances 0.000 claims abstract description 77
- 239000000126 substance Substances 0.000 claims abstract description 33
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- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 abstract description 10
- 238000009987 spinning Methods 0.000 abstract 1
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- 238000005253 cladding Methods 0.000 description 2
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- 239000011487 hemp Substances 0.000 description 2
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- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The utility model relates to a core-spun yarn and a double-core-spun yarn using the same, belongs to the technical field of spinning, and solves the problems of poor color consistency and low sheath yarn connection strength of the core-spun yarn in the prior art. The core-spun yarn comprises core yarn made of chemical fiber filaments and sheath yarn coated on the outer side of the core yarn, wherein the chemical fiber filaments are colored filaments, and the color of the sheath yarn is consistent with that of the colored filaments after the dyeing. The core yarn is in a stretching state during winding, the sheath yarn is wound on the outer side of the chemical fiber filament, and after winding is completed, the chemical fiber filament rebounds, and the inner side of the sheath yarn is tightly covered on the outer side of the chemical fiber filament. According to the utility model, the core yarn is set as the color yarn, and the sheath yarn is coated after being dyed, so that the color consistency of the core yarn and the sheath yarn is high, and the core yarn does not need to be dyed again; and the core yarn is in a stretching state when being coated, and the core yarn rebounds after the sheath yarn is wound, so that the sheath yarn has high proportion, the connection strength of the sheath yarn and the core yarn is high, and the sheath yarn is effectively prevented from falling off.
Description
Technical Field
The utility model belongs to the technical field of textile, and relates to core spun yarn.
Background
The core-spun yarn is also called composite yarn or cladding yarn, and is a novel yarn formed by combining two or more fibers. The initial core spun yarn is staple fiber and staple fiber core spun yarn developed with cotton fiber as the sheath and polyester staple fiber yarn as the core. The core spun yarn is spun by twisting short fibers such as cotton, wool, viscose and the like outside the core spun yarn by taking synthetic fiber filaments with good strength and elasticity as core filaments. The core spun yarn has the excellent properties of both filament core yarn and sheath staple fiber.
In the current use process of the core spun yarn, the outer wrapping fiber is wound on the outer side of the core yarn, and the outer wrapping fiber is a short fiber, so that the outer wrapping fiber is easy to fall off in the use process to cause the defects of fabric unhairing, pilling and the like; the core-spun yarn is dyed due to the dyeing and finishing requirement, and the outer-wrapped fiber of the core-spun yarn can fall off in the dyeing and finishing process; and the core yarn is different from the outer-wrapping fiber material, dyeing and finishing parameters are inconsistent, so that the color consistency of the core yarn is poor, and the color inconsistency of the core yarn and the outer-wrapping fiber affects the beautiful appearance of the fabric. In view of the above, it is desirable to provide a core spun yarn with good color consistency and high strength of the outer spun fiber.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a core-spun yarn with high color consistency.
The aim of the utility model can be achieved by the following technical scheme: the core spun yarn comprises core yarn made of chemical fiber filaments and sheath yarn coated on the outer side of the core yarn, and is characterized in that the chemical fiber filaments are color filaments, and the color of the sheath yarn is consistent with that of the color filaments after dyeing.
The color yarn is prepared by adding color master batch into chemical fiber filament raw materials, and forming colored filaments after the chemical fiber filaments are extruded, so that dyeing is not needed; the sheath yarn is dyed natural short fiber, such as cotton fiber, and the natural short fiber has specific functionality, such as excellent water absorption, hygroscopicity, heat resistance, warmth retention property, softness and the like; therefore, the chemical fiber filaments are wrapped with the natural short fibers, so that the functionality of the natural short fibers can be realized, and the advantages of uniform evenness, high strength, good elongation, good elasticity and the like of the chemical fiber filaments can be reserved.
The dyed natural short fibers are wrapped outside the color yarns, and if the color yarns are consistent with the colors of the natural short fibers, the color consistency of the wrapped core-spun yarns is good and the attractiveness is high. If the color of the color yarn is inconsistent with that of the natural staple fiber, different appearance effects such as color cloud yarn, multicolor yarn and the like can be achieved.
In the core-spun yarn, the chemical fiber filaments are textured filaments; the textured yarn is a DTY yarn or an FDY yarn; the fineness of the chemical fiber filaments is 15d-100d. The chemical fiber filaments have certain elasticity after being elasticized, so that the core yarn is conveniently coated after being drafted during subsequent coating, the elasticity of the core-spun yarn after forming a fabric is ensured, the embedding strength of the sheath yarn coated in the core yarn is improved, and the sheath yarn is prevented from falling off.
In the core-spun yarn, the core yarn is in a stretched state during winding, the sheath yarn is wound on the outer side of the chemical fiber filament, the chemical fiber filament rebounds after winding is completed, and the inner side of the sheath yarn is tightly coated on the outer side of the chemical fiber filament. By stretching the core yarn and winding the sheath yarn, the proportion of the sheath yarn can be increased, and the bonding strength of the sheath yarn and the core yarn can be improved.
In the core-spun yarn, the sheath yarn is cotton fiber; the sheath yarn is 2-4 strands and is wound on the outer side of the core yarn in a crossing way. The cotton fiber has the advantage of good sweat guiding and moisture removing effects, and the cotton fiber is a plant short fiber, so that the cotton fiber has poor strength, inelastic property and poor weaving compatibility, and the cotton fiber is used as a sheath yarn, so that the advantages of the cotton fiber can be effectively reserved, the disadvantages of the cotton fiber as the plant short fiber can be avoided, and the chemical fiber long silk is uniform in dryness and high in strength; controllable elastic twist, good weaving compatibility and the like.
In the core-spun yarn, the chemical fiber filaments adopt a hollow structure, and the hollow part of the chemical fiber filament interface adopts a cross shape, a trilobal shape, a Y shape, a straight shape, a flat shape and the like. Different functions of the chemical fiber filaments, such as a triangular section filament and a trilobal section filament, can be realized by utilizing different hollow structures, and the chemical fiber filaments have sparkling luster. The synthetic fiber with flat, banded and dumbbell-shaped cross section has the hand feeling and luster of the fiber such as hemp, antelope wool, rabbit hair and the like. The polyester filaments with the pentalobal cross section have the luster similar to real silk and good pilling resistance, hand feeling and coverage. The polygonal section yarn has strong covering power and soft hand feeling besides the flashing property, and is mostly used for manufacturing deformed yarn to manufacture knitted fabrics and socks, and the short fiber is used for blending to manufacture various wool-like fabrics and blanket products. The luster of the rectangular section silk is soft and is close to that of silk and animal hair, and the blended product of the short fiber and the cotton fiber has a woolen style, and the fabric with unique luster can be obtained by blending with wool. And the special-shaped fiber has stronger rigidity, improved rebound resilience and coverage and slightly reduced strength. In addition, the profiled fiber has larger surface area, enhanced water and steam transmission capability, high drying speed and good dyeing property. The special-shaped fiber also has good fluffiness, the fabric has plump hand feeling and strong warmth retention, and the air permeability is good due to the increase of pores, and the fluffiness and the air permeability are improved along with the increase of the section irregularity.
In the core-spun yarn, the chemical fiber filaments are polyester filaments or nylon filaments.
The utility model also aims to provide a double-core-spun yarn realized by the core-spun yarn, which comprises a first core-spun yarn and a second core-spun yarn, wherein the first core-spun yarn and the second core-spun yarn are spirally twisted. The double-core-spun yarn formed by spiral twisting of the two core-spun yarns has better fuzzing and pilling resistant effect and is not easy to take off the sheath.
According to the utility model, the core yarn is set as the color yarn, and the sheath yarn is coated after being dyed, so that the color consistency of the core yarn and the sheath yarn is high, and the core yarn does not need to be dyed again; the core yarn is in a stretching state when being coated, and the core yarn rebounds after the sheath yarn is wound, so that the sheath yarn has high proportion, the connection strength of the sheath yarn and the core yarn is high, and the sheath yarn is effectively prevented from falling off; and the double-core-spun yarn can be formed after the core-spun yarn is spirally twisted, so that the fuzzing and pilling resistant effect is further improved, and the sheath yarn is not easy to take off the sheath.
Drawings
FIG. 1 is a schematic view of the structure of a core spun yarn in example 1 provided by the present utility model;
FIG. 2 is a schematic process flow diagram of the core spun yarn of example 1 provided by the present utility model;
FIG. 3 is a schematic structural view of the double-core yarn of example 2 according to the present utility model;
fig. 4 is a schematic process flow of the double-core yarn of example 2 provided by the present utility model.
In the figure, 1, core yarn; 2. sheath yarn; 3. a first core spun yarn; 4. a second core spun yarn; 5. a tension adjusting device; 6. front roller jaw; 7. a twisting device; 8. double-core spun yarn.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1, the embodiment provides a core-spun yarn, which comprises a core yarn 1 made of polyester filaments and a sheath yarn 2 coated on the outer side of the core yarn 1, wherein the polyester filaments are color filaments, and the color of the sheath yarn 2 is consistent with that of the color filaments after dyeing.
The color yarn is prepared by adding color master batch into polyester filament raw material, and forming filaments with color after the polyester filament is extruded, without dyeing; the sheath yarn 2 is dyed natural staple fibers such as cotton fibers, and the natural staple fibers have specific functionalities such as excellent water absorption, hygroscopicity, heat resistance, warmth retention, softness and the like; therefore, the natural short fiber is wrapped outside the polyester filament, so that the functionality of the natural short fiber can be realized, and the advantages of uniform evenness, high strength, good elongation, good elasticity and the like of the polyester filament can be reserved.
The dyed natural short fibers are wrapped outside the color yarns, and if the color yarns are consistent with the colors of the natural short fibers, the color consistency of the wrapped core-spun yarns is good and the attractiveness is high. If the color of the color yarn is inconsistent with that of the natural staple fiber, different appearance effects such as color cloud yarn, multicolor yarn and the like can be achieved. In this embodiment, the color filaments are the same as the natural staple fibers. The sheath yarn 2 is cotton fiber; the sheath yarn 2 is 2 strands and is wound on the outer side of the core yarn 1 in a crossing way. The cotton fiber has the advantage of good sweat guiding and moisture removing effects, and the cotton fiber is a plant short fiber, so that the cotton fiber has poor strength, inelastic property and poor weaving compatibility, and the cotton fiber is used as the sheath yarn 2, so that the advantages of the cotton fiber can be effectively reserved, the disadvantages of the cotton fiber as the plant short fiber can be avoided, and the polyester long yarn is uniform in dryness and high in strength; controllable elastic twist, good weaving compatibility and the like. The core-spun yarn is applied to sports clothes, and has the effect of improving the perspiration and moisture absorption performance of clothes fabric by utilizing the natural characteristics of cotton fibers, and the moisture absorption and perspiration performance of a finished product after weaving is effectively improved due to the fact that the proportion of the sheath yarn 2 to the whole yarn is improved, and the advantages of filaments in the core yarn 1 are reserved.
Specifically, the polyester filaments are textured filaments; the textured yarn is a DTY yarn or an FDY yarn; the fineness of the polyester filament yarn is 50d. The polyester filament yarn has certain elasticity after being elasticized, so that the core yarn 1 is conveniently coated after being drafted during subsequent coating, the elasticity of the core-spun yarn after forming a fabric is ensured, the embedding strength of the sheath yarn 2 coated in the core yarn 1 is improved, and the sheath yarn 2 is prevented from falling off. The core yarn 1 is in a stretching state during winding, the sheath yarn 2 is wound on the outer side of the polyester filament yarn, when the winding is completed, the polyester filament yarn rebounds, and the inner side of the sheath yarn 2 is tightly coated on the outer side of the polyester filament yarn. By stretching the core yarn 1 and winding the sheath yarn 2, the ratio of the sheath yarn 2 can be increased, and the bonding strength between the sheath yarn 2 and the core yarn 1 can be improved.
In this embodiment, the polyester filament adopts a hollow structure, and the hollow part of the interface of the polyester filament adopts a cross shape, a trilobal shape, a Y shape, a straight shape, a flat shape and the like. Different functions of the polyester filament yarn can be realized by utilizing different hollow structures, such as the triangular section yarn and the trilobal section yarn have sparkling luster. The synthetic fiber with flat, banded and dumbbell-shaped cross section has the hand feeling and luster of the fiber such as hemp, antelope wool, rabbit hair and the like. The polyester filaments with the pentalobal cross section have the luster similar to real silk and good pilling resistance, hand feeling and coverage. The polygonal section yarn has strong covering power and soft hand feeling besides the flashing property, and is mostly used for manufacturing deformed yarn to manufacture knitted fabrics and socks, and the short fiber is used for blending to manufacture various wool-like fabrics and blanket products. The luster of the rectangular section silk is soft and is close to that of silk and animal hair, and the blended product of the short fiber and the cotton fiber has a woolen style, and the fabric with unique luster can be obtained by blending with wool. And the special-shaped fiber has stronger rigidity, improved rebound resilience and coverage and slightly reduced strength. In addition, the profiled fiber has larger surface area, enhanced water and steam transmission capability, high drying speed and good dyeing property. The special-shaped fiber also has good fluffiness, the fabric has plump hand feeling and strong warmth retention, and the air permeability is good due to the increase of pores, and the fluffiness and the air permeability are improved along with the increase of the section irregularity.
As shown in fig. 2, the manufacturing process of the core spun yarn provided in this embodiment includes the following steps:
s1, selecting a core yarn 1 for traction, and controlling the traction multiplying power of the core yarn through a tension adjusting device 5;
s2, selecting 2 strands of sheath yarns 2, conveying the sheath yarns to the outer side of the core yarn 1 through a front roller jaw 6, wherein the two conveying openings of the front roller jaw 6 are at a certain distance, and the sheath yarns 2 are combined and gathered together, so that the sheath yarns 2 have a small amount of twist after passing through the front roller, and the sheath yarns 2 are mutually twisted under the effect of the twist after being coated on the outer side of the core yarn 1 to form a spiral structure to be coated on the outer side of the core yarn 1;
s3, winding the wrapped core-spun yarn on a bobbin.
The tension adjusting device 5 usually adopts two conveying rollers with different rotation speeds, and adjusts the feeding drafting ratio of the core yarn 1 by adjusting the rotation speed difference of the conveying rollers. According to the utility model, the core yarn 1 is set as the color yarn, and the sheath yarn 2 is coated after being dyed, so that the color consistency of the core yarn 1 and the sheath yarn 2 is high, and the core-spun yarn is not required to be dyed again; and the core yarn 1 is in a stretching state during cladding, and the core yarn 1 rebounds after the sheath yarn 2 is wound, so that the sheath yarn 2 has high ratio, the connection strength between the sheath yarn 2 and the core yarn 1 is high, and the sheath yarn 2 is effectively prevented from falling off.
Example 2
As shown in fig. 3, this embodiment provides a double core-spun yarn 8 implemented by using the core-spun yarn of embodiment 1, which includes a first core-spun yarn 3 and a second core-spun yarn 4, and the first core-spun yarn 3 and the second core-spun yarn 4 are helically twisted by a twisting device 7. The double-core-spun yarn 8 formed by spiral twisting of the two core-spun yarns has better fuzzing and pilling resistant effect and is not easy to unhook.
As shown in fig. 4, the manufacturing process of the double-core-spun yarn provided in this embodiment includes the following steps:
s1, respectively manufacturing two paths of core-spun yarns;
wherein the manufacturing process of the core spun yarn comprises the following steps:
s1.1, selecting core yarn 1 for drawing, and controlling the drawing multiplying power by a tension adjusting device 5;
s1.2, selecting 2 strands of sheath yarns 2, conveying the sheath yarns to the outer side of the core yarn 1 through a front roller jaw 6, wherein the two conveying openings of the front roller jaw 6 are at a certain distance, and the sheath yarns 2 are combined and gathered together, so that the sheath yarns 2 have a small amount of twist after passing through the front roller, and the sheath yarns 2 are mutually twisted under the effect of the twist after being coated on the outer side of the core yarn 1 to form a spiral structure to be coated on the outer side of the core yarn 1;
s2, helically twisting the two paths of core-spun yarns through a twisting device 7 to form double-core-spun yarns 8;
s3, winding the double-core-spun yarn 8 after coating on a bobbin.
The double-core-spun yarn 8 can be formed by carrying out spiral twisting on the core-spun yarn, so that the fuzzing and pilling resistant effect is further improved, and the sheath yarn 2 is not easy to unhook.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The core spun yarn comprises core yarn made of chemical fiber filaments and sheath yarn coated on the outer side of the core yarn, and is characterized in that the chemical fiber filaments are colored filaments, and the color of the sheath yarn is consistent with that of the colored filaments after being dyed; the chemical fiber filaments are textured filaments; the core yarn is in a stretching state during winding, the sheath yarn is wound on the outer side of the chemical fiber filament, and after winding is completed, the chemical fiber filament rebounds, and the inner side of the sheath yarn is tightly coated on the outer side of the chemical fiber filament.
2. The core spun yarn of claim 1 wherein: the textured yarn is a DTY yarn or an FDY yarn.
3. The core-spun yarn of claim 1 or 2, wherein: the fineness of the chemical fiber filaments is 15d-100d.
4. The core-spun yarn of claim 1 or 2, wherein: the sheath yarn is cotton fiber; the sheath yarn is 2-4 strands and is wound on the outer side of the core yarn in a crossing way.
5. The core-spun yarn of claim 1 or 2, wherein: the chemical fiber filament adopts a hollow structure, and the hollow part of the chemical fiber filament interface adopts a cross shape, a trilobal shape, a Y shape, a straight shape and a flat shape.
6. The core-spun yarn of claim 1 or 2, wherein: the chemical fiber filaments are polyester filaments or nylon filaments.
7. A double core-spun yarn using the core-spun yarn of claim 1, characterized in that: the yarn comprises a first core-spun yarn and a second core-spun yarn, wherein the first core-spun yarn and the second core-spun yarn are spirally twisted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320125885.2U CN220057171U (en) | 2023-01-17 | 2023-01-17 | Core-spun yarn and double-core-spun yarn using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320125885.2U CN220057171U (en) | 2023-01-17 | 2023-01-17 | Core-spun yarn and double-core-spun yarn using same |
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| Publication Number | Publication Date |
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| CN220057171U true CN220057171U (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320125885.2U Active CN220057171U (en) | 2023-01-17 | 2023-01-17 | Core-spun yarn and double-core-spun yarn using same |
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| Country | Link |
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| CN (1) | CN220057171U (en) |
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- 2023-01-17 CN CN202320125885.2U patent/CN220057171U/en active Active
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