阅读说明：本技术 一种用于外衣的复合绵纤维包覆纱的制作工艺 (Manufacturing process of composite cotton fiber covered yarn for outer clothing ) 是由 周生国 曹良波 于 2019-11-16 设计创作，主要内容包括：一种用于外衣的复合绵纤维包覆纱的制作工艺,包括以下步骤：制备锦纶长丝作为包覆纱的纱芯；采用蚕丝纤维、苎麻纤维、亚麻纤维和棉纤维制成包覆纱的外包纱线；组合喂入辊从锦纶丝纱卷中引出锦纶长丝；以锦纶长丝为纱芯,以外包纱线为外包丝,锦纶长丝牵伸,外包纱线均匀加捻包覆到纱芯的表层；对包覆后的包覆纱进行第二次牵伸,完成包覆的包覆纱在牵伸辊的牵引下被送包覆机的铝筒上进行缠绕；包覆完成后,对其进行加热,加热完成后,将其取出并自然冷却,制得所需的包覆纱。本发明制作过程较为简单,制作成本较低,适合大规模推广使用,并且制成的包覆纱具有耐磨性好、通透性较佳的优点,而且生产的外衣不易起毛球,穿着也更加舒适。(A manufacturing process of composite cotton fiber covered yarn for outer clothing comprises the following steps: preparing nylon filament as a yarn core of the covering yarn; the outer wrapping yarn of the wrapping yarn is made of silk fiber, ramie fiber, flax fiber and cotton fiber; the combined feeding roller leads out the nylon filament from the nylon yarn roll; the nylon filament is used as a yarn core, the outer covering yarn is used as the outer covering yarn, the nylon filament is drafted, and the outer covering yarn is uniformly twisted and covered on the surface layer of the yarn core; drawing the coated yarn for the second time, and conveying the coated yarn to an aluminum cylinder of a coating machine for winding under the traction of a drawing roller; and after the cladding is finished, heating the yarn, taking out the yarn after the heating is finished, and naturally cooling the yarn to obtain the required cladding yarn. The invention has the advantages of simple manufacturing process, low manufacturing cost and suitability for large-scale popularization and use, the manufactured covered yarn has the advantages of good wear resistance and good permeability, and the produced coat is not easy to fluff balls and is more comfortable to wear.)

1. A manufacturing process of composite cotton fiber covered yarn for outer clothing is characterized by comprising the following steps:

s1, selecting and obtaining production raw materials of the composite cotton fiber covered yarn;

s2, preparing nylon filaments as yarn cores of the covering yarns;

s3, preparing wrapping yarns of the wrapping yarns by adopting silk fibers, ramie fibers, flax fibers and cotton fibers;

s4, leading the nylon filaments out of the nylon filament yarn roll by the combined feeding roller, wherein the feeding speed of the combined feeding roller is 55-65 m/min;

s5, drawing the nylon filaments by taking the nylon filaments as yarn cores and the outer-coated yarns as outer-coated yarns, uniformly twisting and coating the outer-coated yarns on the surface layers of the yarn cores, wherein the yarn twist of the outer-coated yarns is 700-900T/m, and the coating drawing multiplying power is 1.8-2.5;

s6, carrying out secondary drafting on the coated covered yarn, wherein the multiplying power of the secondary drafting is reduced to 1.1-1.4, and the covered yarn is sent to an aluminum cylinder of a covering machine to be wound under the traction of a drafting roller, and the winding speed is 30-50 cm/min;

s7, after the wrapping is finished, the yarn is placed into a heating box to be heated, the wrapping yarn is heated for 30-40 min by using steam in a high-temperature section, then the wrapping yarn is heated for 1-2 h by using steam in a middle-temperature section, and finally the wrapping yarn is heated for 3-4 h by using a low-temperature section;

and S8, after heating, taking out the yarn, naturally cooling the yarn, and packaging the yarn to obtain the required covering yarn.

2. The process of claim 1, wherein in S2, the nylon filament is prepared by the following steps:

adopting cutting equipment to slice the nylon raw material;

and (3) putting the nylon chips and the flexible additive into a screw extruder for melt extrusion, and then carrying out spinning, stretching, winding and drying treatment to obtain the nylon filament.

3. The process for preparing a composite cotton fiber covered yarn for outer garments according to claim 1, wherein the melting temperature is 300 to 350 ℃.

4. The process of claim 1, wherein in step S3, the method of making the covered yarn is as follows:

the ramie fiber, the flax fiber and the cotton fiber are respectively and sequentially processed by cotton grabbing, cotton mixing, cotton opening, coiling, cotton carding, head doubling and head doubling to be made into two drawing strips;

the method comprises the following steps of drawing ramie fiber secondary drawing, flax fiber secondary drawing, cotton fiber secondary drawing and silk fiber by a drawing frame, twisting by a coarse sand machine to obtain coarse yarn, twisting again by a spinning frame, and finally winding to obtain the outer wrapping yarn.

5. The process of claim 4, wherein a deflocculating treatment is further performed during the production of the outer coated yarn, wherein the deflocculating treatment is performed by adsorbing the deflocculated flocs produced during the production by an adsorption device to remove the deflocculated flocs from the outer coated yarn.

6. The process for producing a composite cotton fiber covered yarn for outerwear according to claim 1, wherein in S7, the temperature in the high temperature section is 90 to 115 ℃, the temperature in the middle temperature section is 60 to 80 ℃, and the temperature in the low temperature section is 40 to 50 ℃.

7. The process for manufacturing composite cotton fiber covered yarn for outer garments according to claim 1, wherein the process for manufacturing the outer covered yarn further comprises cooking and decoloring treatment, specifically as follows:

adding a scouring and bleaching liquid into the scouring and bleaching machine, and putting the coated yarn into the scouring and bleaching liquid for scouring and bleaching;

and (3) drying the steamed and decolored outer wrapping yarns by using a dryer, wherein the drying temperature is 40-50 ℃, and the drying time is 2-2.5 h.

8. The process for manufacturing composite cotton fiber covered yarn for outer clothing according to claim 7, wherein the boiling and bleaching liquid comprises raw materials including hydrogen peroxide, bleaching auxiliary and water.

9. The process of claim 1, further comprising an antistatic treatment after S7, wherein the process comprises the following steps:

and immersing the coated yarn into an antistatic agent solution, and standing for 15-20 min to form an antistatic layer on the surface of the coated yarn.

10. The process for preparing a composite cotton fiber covered yarn for outer garments according to claim 1, wherein the antistatic agent solution is a 0.3-2.5% solution prepared by mixing an antistatic agent with a preparation solution, wherein the preparation solution is ethanol, esters or water.

Technical Field

The invention relates to the field of manufacturing of covered yarns, in particular to a manufacturing process of a composite cotton fiber covered yarn for outer garments.

Background

The covered yarn is also called wrapping yarn, is a yarn with a novel structure, takes long filaments or short fibers as a yarn core, is wrapped by another long filament or short fiber yarn strip, and is wrapped by the wrapped yarn in a spiral mode, and is characterized by uniform evenness, bulkiness and fullness, smooth yarn with less hairiness, high strength and less broken ends; the covering yarn is mainly used for knitted fabrics requiring high elasticity, is partially used for woven fabrics, is ideal yarn of high-grade thin wool, linen fabrics, jacquard double-layer weft knitted fabrics, warp knitted fabrics and the like, can be spun for thick and thin yarns, has more elastic yarn, and is suitable for weaving sports tights, such as swimwear, ski wear, lingerie and the like;

the cladding yarn is made by selecting proper core yarn and outer cladding yarn according to the application, the strength of the cladding yarn is higher than that of any single yarn, but the existing cladding yarn is spun on a hollow spindle spinning machine and is coated with a layer of fiber material, the cladding yarn has single function and limited application range, the existing cladding yarn also has the problems of weak permeability and improved wearing comfort, and the existing cladding yarn is mostly conventional spandex cladding yarn and has poor wear resistance and needs to be improved.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a manufacturing process of composite cotton fiber covered yarn for outer garments, which has the advantages of simple manufacturing process, low manufacturing cost and suitability for large-scale popularization and use, the manufactured covered yarn has the advantages of good wear resistance and good permeability, and the produced outer garments are not easy to fluff balls and are more comfortable to wear.

(II) technical scheme

The invention provides a manufacturing process of composite cotton fiber covered yarn for outer garments, which comprises the following steps:

s1, selecting and obtaining production raw materials of the composite cotton fiber covered yarn;

s2, preparing nylon filaments as yarn cores of the covering yarns;

s3, preparing wrapping yarns of the wrapping yarns by adopting silk fibers, ramie fibers, flax fibers and cotton fibers;

s4, leading the nylon filaments out of the nylon filament yarn roll by the combined feeding roller, wherein the feeding speed of the combined feeding roller is 55-65 m/min;

s5, drawing the nylon filaments by taking the nylon filaments as yarn cores and the outer-coated yarns as outer-coated yarns, uniformly twisting and coating the outer-coated yarns on the surface layers of the yarn cores, wherein the yarn twist of the outer-coated yarns is 700-900T/m, and the coating drawing multiplying power is 1.8-2.5;

s6, carrying out secondary drafting on the coated covered yarn, wherein the multiplying power of the secondary drafting is reduced to 1.1-1.4, and the covered yarn is sent to an aluminum cylinder of a covering machine to be wound under the traction of a drafting roller, and the winding speed is 30-50 cm/min;

s7, after the wrapping is finished, the yarn is placed into a heating box to be heated, the wrapping yarn is heated for 30-40 min by using steam in a high-temperature section, then the wrapping yarn is heated for 1-2 h by using steam in a middle-temperature section, and finally the wrapping yarn is heated for 3-4 h by using a low-temperature section;

and S8, after heating, taking out the yarn, naturally cooling the yarn, and packaging the yarn to obtain the required covering yarn.

Preferably, in S2, the nylon filament is prepared by the following method:

adopting cutting equipment to slice the nylon raw material;

and (3) putting the nylon chips and the flexible additive into a screw extruder for melt extrusion, and then carrying out spinning, stretching, winding and drying treatment to obtain the nylon filament.

Preferably, the melting temperature is 300-350 ℃.

Preferably, in S3, the method for making the over-wrapped yarn is as follows:

the ramie fiber, the flax fiber and the cotton fiber are respectively and sequentially processed by cotton grabbing, cotton mixing, cotton opening, coiling, cotton carding, head doubling and head doubling to be made into two drawing strips;

the method comprises the following steps of drawing ramie fiber secondary drawing, flax fiber secondary drawing, cotton fiber secondary drawing and silk fiber by a drawing frame, twisting by a coarse sand machine to obtain coarse yarn, twisting again by a spinning frame, and finally winding to obtain the outer wrapping yarn.

Preferably, in the manufacturing process of the outer-coated sand thread, a lint removing process is required, that is, the lint generated in the manufacturing process is absorbed by the absorption device so as to remove the lint on the outer-coated yarn.

Preferably, the temperature of the high-temperature section is 90-115 ℃, the temperature of the middle-temperature section is 60-80 ℃, and the temperature of the low-temperature section is 40-50 ℃.

Preferably, in the process of manufacturing the outer wrapping yarn, the method further comprises a cooking and decoloring treatment, which specifically comprises the following steps:

adding a scouring and bleaching liquid into the scouring and bleaching machine, and putting the coated yarn into the scouring and bleaching liquid for scouring and bleaching;

and (3) drying the steamed and decolored outer wrapping yarns by using a dryer, wherein the drying temperature is 40-50 ℃, and the drying time is 2-2.5 h.

Preferably, the boiling and bleaching liquid comprises raw materials including hydrogen peroxide, bleaching auxiliary agents and water.

Preferably, after S7, an antistatic treatment is further included, specifically as follows:

and immersing the coated yarn into an antistatic agent solution, and standing for 15-20 min to form an antistatic layer on the surface of the coated yarn.

Preferably, the antistatic agent solution is a 0.3-2.5% solution prepared by mixing an antistatic agent and a preparation solution, wherein the preparation solution is ethanol, esters or water.

The technical scheme of the invention has the following beneficial technical effects:

preparing a nylon filament as a yarn core of the covering yarn, and preparing the covering yarn from silk fiber, ramie fiber, flax fiber and cotton fiber; the combined feeding roller leads out the nylon filament from the nylon filament yarn roll, the nylon filament is drafted, the outer coated yarn is uniformly twisted and coated on the surface layer of the yarn core, the coated yarn is drafted for the second time, and the coated yarn is sent to an aluminum cylinder of a coating machine to be wound under the traction of the drafting roller; after the cladding is finished, the yarn is placed into a heating box for heating, after the heating is finished, the yarn is taken out and naturally cooled, then the yarn is packaged, and the required cladding yarn is prepared.

Drawings

Fig. 1 is a production flow chart of the production process of the composite cotton fiber covered yarn for outer clothing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figure 1, the manufacturing process of the composite cotton fiber covered yarn for outer clothing provided by the invention comprises the following steps:

s1, selecting and obtaining production raw materials of the composite cotton fiber covered yarn;

s2, preparing nylon filaments as yarn cores of the covering yarns;

s3, preparing wrapping yarns of the wrapping yarns by adopting silk fibers, ramie fibers, flax fibers and cotton fibers;

s4, leading the nylon filaments out of the nylon filament yarn roll by the combined feeding roller, wherein the feeding speed of the combined feeding roller is 55-65 m/min;

s5, drawing the nylon filaments by taking the nylon filaments as yarn cores and the outer-coated yarns as outer-coated yarns, uniformly twisting and coating the outer-coated yarns on the surface layers of the yarn cores, wherein the yarn twist of the outer-coated yarns is 700-900T/m, and the coating drawing multiplying power is 1.8-2.5;

s6, carrying out secondary drafting on the coated covered yarn, wherein the multiplying power of the secondary drafting is reduced to 1.1-1.4, and the covered yarn is sent to an aluminum cylinder of a covering machine to be wound under the traction of a drafting roller, and the winding speed is 30-50 cm/min;

s7, after the wrapping is finished, the yarn is placed into a heating box to be heated, the wrapping yarn is heated for 30-40 min by using steam in a high-temperature section, then the wrapping yarn is heated for 1-2 h by using steam in a middle-temperature section, and finally the wrapping yarn is heated for 3-4 h by using a low-temperature section;

and S8, after heating, taking out the yarn, naturally cooling the yarn, and packaging the yarn to obtain the required covering yarn.

In an alternative embodiment, in S2, the nylon filament is prepared by the following method:

adopting cutting equipment to slice the nylon raw material;

and (3) putting the nylon chips and the flexible additive into a screw extruder for melt extrusion, and then carrying out spinning, stretching, winding and drying treatment to obtain the nylon filament.

In an alternative embodiment, the melting temperature is 300 to 350 ℃.

In an alternative embodiment, in S3, the over-wrapped yarn is made by the method comprising:

the ramie fiber, the flax fiber and the cotton fiber are respectively and sequentially processed by cotton grabbing, cotton mixing, cotton opening, coiling, cotton carding, head doubling and head doubling to be made into two drawing strips;

the method comprises the following steps of drawing ramie fiber secondary drawing, flax fiber secondary drawing, cotton fiber secondary drawing and silk fiber by a drawing frame, twisting by a coarse sand machine to obtain coarse yarn, twisting again by a spinning frame, and finally winding to obtain the outer wrapping yarn.

In an optional embodiment, during the manufacturing process of the outer-coated sand thread, a lint removing process is further required, that is, the lint generated during the manufacturing process is absorbed by the absorption device to remove the lint on the outer-coated yarn, so that the quality of the manufactured coated yarn is remarkably improved, and the subsequent coating process is facilitated.

In an optional embodiment, the temperature of the high-temperature section is 90-115 ℃, the temperature of the middle-temperature section is 60-80 ℃, and the temperature of the low-temperature section is 40-50 ℃.

In an optional embodiment, during the manufacturing process of the covering yarn, the method further comprises a cooking decolorization treatment, specifically as follows:

adding a scouring and bleaching liquid into the scouring and bleaching machine, and putting the coated yarn into the scouring and bleaching liquid for scouring and bleaching;

and (3) drying the steamed and decolored outer wrapping yarns by using a dryer, wherein the drying temperature is 40-50 ℃, and the drying time is 2-2.5 h. Through the cooking decoloration treatment, the variegated color of the outer wrapping yarn is removed, so that the outer wrapping yarn is brighter and whiter, and the later dyeing of the wrapping yarn is facilitated.

In an optional embodiment, the boiling and bleaching liquid comprises raw materials including hydrogen peroxide, a bleaching assistant and water.

In an alternative embodiment, after S7, an antistatic treatment is further included, specifically as follows:

and immersing the coated yarn into an antistatic agent solution, and standing for 15-20 min to form an antistatic layer on the surface of the coated yarn. The coat made of the coating yarn after antistatic treatment can play a role of antistatic, and the wearing comfort is obviously improved.

In an optional embodiment, the antistatic agent solution is a 0.3-2.5% solution prepared by mixing an antistatic agent and a preparation solution, wherein the preparation solution is ethanol, esters or water.

When the composite cotton fiber covered yarn is used, firstly, the production raw materials of the composite cotton fiber covered yarn are selected and obtained, the nylon filament is prepared to be used as the yarn core of the covered yarn, and the silk fiber, the ramie fiber, the flax fiber and the cotton fiber are adopted to prepare the covered yarn of the covered yarn;

firstly, a combined feeding roller leads out nylon filaments from a nylon filament yarn roll, the feeding speed of the combined feeding roller is 55-65 m/min, the nylon filaments are used as a yarn core, an outer covering yarn is used as an outer covering yarn, the nylon filaments are drafted, the outer covering yarn is uniformly twisted and covered on the surface layer of the yarn core, the yarn twist of the outer covering yarn is 700-900T/m, the covering drafting multiplying factor is 1.8-2.5, then the covered covering yarn is drafted for the second time, the multiplying factor of the second drafting is reduced to 1.1-1.4, the covered covering yarn is sent to an aluminum cylinder of a covering machine to be wound under the traction of the drafting roller, and the winding speed is 30-50 cm/min; after the wrapping is finished, the yarn is placed into a heating box to be heated, the wrapping yarn is heated for 30-40 min by using steam in a high-temperature section, then the wrapping yarn is heated for 1-2 h by using steam in a middle-temperature section, and finally the wrapping yarn is heated for 3-4 h by using a low-temperature section; after heating, taking out the yarn, naturally cooling the yarn, and then packaging the yarn to obtain the required wrapping yarn;

the invention has the advantages of simple manufacturing process, low manufacturing cost and suitability for large-scale popularization and use, the manufactured covered yarn has the advantages of good wear resistance and good permeability, and the produced coat is not easy to fluff balls and is more comfortable to wear.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.