Double-sea-island core type uvioresistant, antibacterial and cool compact-siro spinning yarn and production process thereof

Abstract

The invention relates to the technical field of spinning processing of textile fibers, in particular to a double-sea-island core type anti-ultraviolet, antibacterial and cool-feeling compact Siro spinning yarn and a production process thereof, and the yarn comprises the following components: an anti-ultraviolet fiber card sliver, an antibacterial fiber card sliver and a cool-feeling fiber card sliver; the uvioresistant fiber card slivers, the antibacterial fiber card slivers and the cool fiber card slivers are placed side by side to form drawn slivers, the drawn slivers are subjected to a roving process, a spinning process and a spooling process to form the yarn, the bad problems that traditional ring spinning is much in hairiness, low in strength and the like are solved, the spinning characteristics of compact siro spinning are combined, the yarn has the mixing characteristic of various fibers, and the yarn quality is improved. The method is suitable for manufacturing multifunctional combined fabrics.

Description

Technical Field

[0001] The present invention relates to the technical field of textile fiber spinning processing, and specifically refers to a double-sea-island core type anti-ultraviolet, antibacterial, cool-sensation compact siro spinning yarn and its production process. Background Art

[0002] With the increasing demand of consumers for the functionality and comfort of textiles, textiles with multiple functions are becoming more and more popular in the market. Long-term exposure to ultraviolet rays is harmful to the human skin. Therefore, textiles with anti-ultraviolet function can effectively protect users from ultraviolet rays; the development of antibacterial textiles is of great significance for improving personal hygiene and public health, especially in the fields of sports, medical care and daily wear; in a hot environment, cool-sensation textiles can provide a more comfortable wearing experience and reduce fatigue and discomfort caused by high temperature. Traditional spinning technologies often can only meet single functional requirements, such as either having antibacterial property or anti-ultraviolet function.

[0003] Therefore, it is an urgent technical problem to develop yarns with antibacterial, anti-ultraviolet and cool-sensation functions and their spinning processing technologies. Summary of the Invention

[0004] The present invention aims to solve at least the problem of single yarn performance in the prior art.

[0005] This solution provides a double-sea-island core type anti-ultraviolet, antibacterial, cool-sensation compact siro spinning yarn. The components of the yarn are: anti-ultraviolet fiber sliver, antibacterial fiber sliver and cool-sensation fiber sliver.

[0006] The anti-ultraviolet fiber sliver, antibacterial fiber sliver and cool-sensation fiber sliver are placed side by side to form a roving, and then yarn is formed after the processes of roving, spinning and winding.

[0007] Preferred Technical Solution 1: To ensure that the produced yarn is not affected by the fiber length, the anti-ultraviolet fibers in the anti-ultraviolet fiber sliver, the antibacterial fibers in the antibacterial fiber sliver and the cool-sensation fibers in the cool-sensation fiber sliver are all short fibers with the same length.

[0008] Preferred Technical Solution 2: The anti-ultraviolet fibers, antibacterial fibers and cool-sensation fibers all adopt fine denier fibers with a fineness of 1.33 - 1.67 dtex to ensure that the fiber distribution of the blended fibers is not affected by the fiber fineness and can be evenly distributed.

[0009] Preferred Technical Solution 3: The anti-ultraviolet fibers and cool-sensation fibers are polyester fibers, and the antibacterial fibers are viscose fibers.

[0010] This solution also provides a production process of a double-sea-island core type anti-ultraviolet, antibacterial, cool-sensation compact siro spinning yarn, including the following steps:

[0011] Step 1: Use the staple fibers of anti-ultraviolet fiber, antibacterial fiber, and cool-sensation fiber as the raw materials for the roving. Each raw material goes through the blow room, first drawing, and second drawing respectively to form the anti-ultraviolet fiber sliver, antibacterial fiber sliver, and cool-sensation fiber sliver for standby.

[0012] Step 2: At the final drawing, the anti-ultraviolet fiber sliver, antibacterial fiber sliver, and cool-sensation fiber sliver are arranged side by side in a ratio of 1:1:1 to form the finisher sliver, and then the roving is produced after the roving process.

[0013] Step 3: Two rovings are made into yarn through the spinning and winding processes.

[0014] Preferred Technical Solution Four: The indicators of the cotton sliver in the blow room process are: dry weight per unit 18.0 g / 5 m - 25.0 g / 5 m, delivery speed 160 - 180 m / min;

[0015] In the first drawing process, the total draft multiple is 6.28 - 6.88 times, the back zone draft multiple is 1.76, the delivery speed is 320 - 360 m / min, and the doubling number is 8;

[0016] In the second drawing process, the total draft multiple is 7.76 - 8.08 times, the back zone draft multiple is 1.53, the delivery speed is 320 - 360 m / min, and the doubling number is 8;

[0017] In the final drawing process, the total draft multiple is 6.88 - 7.17 times, the back zone draft multiple is 1.36, the delivery speed is 280 - 320 m / min, and the doubling number is 6. The straightening degree of the mixed fiber finisher sliver produced from the anti-ultraviolet fiber sliver, antibacterial fiber sliver, and cool-sensation fiber sliver is above 95%;

[0018] Antibacterial viscose fiber sliver (represented by 1), anti-ultraviolet polyester fiber sliver (represented by 2), cool-sensation polyester fiber sliver (represented by 3). In order to spin yarns for different usage occasions, the arrangement order and proportion of the above-mentioned yarn slivers can be adjusted. For example, in an area with strong ultraviolet rays, the arrangement of 112311 can be adopted to increase the proportion of anti-ultraviolet raw materials; in a hot and humid area, the arrangement combination of 312213 can be adopted.

[0019] Preferred Technical Solution Five: In the roving process, the dry weight per unit of the roving is 2.9 g / 10 m - 4.1 g / 10 m, the back draft multiple is 1.1 - 1.3, the twist factor is 88 - 110, and the spindle speed is 850 - 900 r / min.

[0020] Preferred Technical Solution Six: The spinning process is as follows: Two rovings are produced into "Z" twist yarns on a compact spinning and siro spinning machine, and are drafted and twisted into yarns; the total draft multiple is 66.7 - 78.2, the back draft multiple is 1.16 - 1.32, and the twist factor is 340 - 360.

[0021] Adopting the above structure enables this solution to have the following beneficial effects:

[0022] By mixing anti-ultraviolet fibers, antibacterial fibers, and cool-sensation fibers in a specific proportion and using the compact siro-spinning technology, the yarn has good comprehensive performance. This yarn not only has the characteristics of anti-ultraviolet, antibacterial, and cool-sensation, but also has high strength and good softness, making it suitable for the production of a variety of textiles and meeting the dual requirements of modern consumers for the functionality and comfort of textiles. The three functional fiber raw materials used in the present invention are all polyester. During dyeing, there is no color difference problem, reducing problems such as "color difference", "color bar", and poor color fastness caused by uneven mixing of different raw materials. Brief Description of the Drawings

[0023] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0024] Figure 1 is a cross-sectional view of the yarn of this solution;

[0025] Figure 2 is a process flow chart of this solution;

[0026] Figure 3 is the arrangement diagram of the card slivers in the first embodiment of this solution. Detailed Embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1, A double-sea-island core type anti-ultraviolet, antibacterial, and cool-sensation compact siro-spun yarn, the performance parameters of the raw materials are shown in Table 1:

[0029] Table 1 Performance Parameters of Raw Materials

[0030]

[0031] A production process for producing a double-sea-island core type anti-ultraviolet, antibacterial, and cool-sensation compact siro-spun yarn by compact siro-spinning, including the following steps:

[0032] Process Flow and Production Equipment:

[0033] Model A002D Bale Plucker → Model A035L Mixing and Opening Machine (attached with Model A045B Condensing Cotton Machine) → Model A036 Opening Machine → Model A092A Double Cotton Box Feeding Machine (attached with Model A045B Condensing Cotton Machine) → Model A076C Coiling Machine → Model A186 Carding Machine → Model FA311 Drawing Frame (three passages) → Model FA458 Roving Frame → Model FA506 Spinning Frame → SAVIO Winding Machine;

[0034] Step 1: Front spinning process:

[0035] Before opening and cleaning cotton, place the anti-ultraviolet fiber, antibacterial fiber, and cool-sensing fiber for more than 24 hours to balance the temperature and humidity, with the workshop temperature controlled at 27 - 33 °C and the humidity at 57 - 65%; conduct humidifying treatment on the antibacterial viscose fiber raw material to make its moisture regain 12 - 13%; conduct humidifying treatment on the anti-ultraviolet polyester fiber and cool-sensing polyester fiber to make their moisture regain reach 0.66%;

[0036] Step 2: Opening and cleaning cotton process:

[0037] In this process, the three kinds of fibers are each separately processed in the opening and cleaning cotton process. The speed of the bale plucker beater is 720 r / min, the speed of the carding beater is 480 r / min, the speed of the comprehensive beater is 875 r / min, the speed of the cotton roll roller for viscose fiber is 12 r / min, and for anti-ultraviolet polyester fiber and cool-sensing polyester fiber is 10 r / min. The fixed length of the cotton roll for viscose fiber is 36 m, and for anti-ultraviolet polyester fiber and cool-sensing polyester fiber is 32.4 m;

[0038] Step 3: Carding process:

[0039] Card the three kinds of fibers after opening and cleaning into sliver in the carding machine to further remove tiny impurities; in the carding process, adopt the technological principles of "flexible carding" and "multiple carding and strong transfer", with a relatively large speed ratio of the cylinder to the licker-in to reduce fiber damage and short fiber generation. The cylinder clothing is selected as White Shark AC2035×1645TR - 3 - 65(1280), the doffer clothing is selected as AD4030×02090 - G(1280), the licker-in clothing is selected as AT5610×05611, and the flat clothing is selected as MCH32P; among them, the control corresponding conditions are shown in the following table;

[0040] Table 2 Parameter Configuration of Blow - carding Unit

[0041]

[0042] Step 4: Drawing process:

[0043] For viscose fiber, adopt the technological principles of "large roller gauge, heavy pressure, positive draft, and smooth channel". In order to eliminate the hook and improve the straightness and parallelism of the fiber, adopt a relatively large draft multiple in the back zone, which is beneficial to eliminating the front hook;

[0044] The draft multiple in the second drawing zone is 1.125 times to facilitate concentrated drafting and improve the evenness of the sliver. The roller gauge is set relatively large to facilitate smooth drafting and reduce apron winding.

[0045] Table 3 Process parameter configuration of the drawing process (first drawing and second drawing processes)

[0046]

[0047] The card slivers of antibacterial viscose fiber (represented by 1), anti-ultraviolet polyester fiber (represented by 2), and cool-sense polyester fiber (represented by 3) respectively pass through the first and second drawing processes. When entering the third drawing process, they are arranged in the order of 112233 and enter the third drawing process using the process of sliver blending. The drawing process configuration is as follows;

[0048] Table 4 Process parameter configuration of the drawing process (third drawing process)

[0049]

[0050] Step Five: Roving process:

[0051] Adopt the process configuration of "light draft weight, slightly larger draft multiple in the back zone, slightly larger roving twist factor", reasonably adjust the tensions of the large, medium, and small yarns, reduce the weight unevenness of the roving, which is beneficial to increasing the compactness of the sliver in the front zone of the spun yarn, reducing the hairiness and details of the spun yarn, and improving the strength of the spun yarn. The main process parameter configuration is as follows:

[0052] Table 5 Process configuration of the roving process

[0053] Main Process Items of Roving Process Roving Process Roller Diameter (1 / 2 / 3 / 4) / mm 32 / 32 / 32 / 32 Yarn Bobbin Pressing Force (1 / 2 / 3 / 4) N / spindle 120 / 200 / 150 / 150 Roller Gauge / mm 13×27×43 Roving Weight per Unit Length (g / 10m) 3.8 Gauge Block (mm) 3.0 Roving Twist Factor 80 Draft Ratio of Rear Zone (times) 1.22 Speed of Spindle Flyer (r / min) 890

[0054] Step Six: Spinning process:

[0055] The parameter configuration of the spinning process adopts the process principle of "small nipper, heavy pressure, large back zone gauge, small back zone draft" to ensure the stability of the spun yarn quality. Through the optimization of the processes of each process, the quality of the spun yarn has been improved and stabilized.

[0056] Table 6 Main process parameters of the spun yarn

[0057] Process Items of Ring Spinning Process Process Data Ring Spinning Roller Diameter (mm) 027×027×027 Roller Gauge (mm) 18.5*36 Ring Type PG1 / 2 - 4054 Cop Type Lasi Mei 10 / 0 Draft of Rear Zone (times) 1.06 Mesh Count of Grid Ring 125 Mesh Ring Spinning Twist (turns / 10cm) 126 Ring Spinning Spindle Speed (r / min) 16200

[0058] Example 2

[0059] This example provides a double-sea-island core type anti-ultraviolet, antibacterial, and cool-sense compact siro-spun yarn. The difference from Example 1 is that when passing through the third drawing process, the card slivers of antibacterial viscose fiber, anti-ultraviolet polyester fiber, and cool-sense polyester fiber are arranged in the order of 122331. The raw material performance parameters are shown in the following table:

[0060] Table 7 Raw material performance parameters

[0061]

[0062] A production process for producing a double-island core type ultraviolet-resistant, antibacterial, and cool-sensation compact siro spinning yarn by compact siro spinning, comprising the following steps:

[0063] Process flow and production equipment:

[0064] Model A002D bale opener → Model A035L mixing and opening machine (equipped with Model A045B cotton condenser) → Model A036 opening machine → Model A092A double-cotton-box feeder (equipped with Model A045B cotton condenser) → Model A076C coiler → Model A186 carding machine → Model FA311 draw frame (three passages) → Model FA458 roving frame → Model FA506 spinning frame → SAVIO winding machine;

[0065] Step 1: Pre-spinning process:

[0066] Before opening and cleaning cotton, place the ultraviolet-resistant fiber, antibacterial fiber, and cool-sensation fiber for more than 24 hours to balance the temperature and humidity, with the workshop temperature controlled at 27 - 33 °C and the humidity at 57 - 65%; conduct humidifying treatment on the antibacterial viscose fiber raw material to make its moisture regain 12 - 13%; conduct humidifying treatment on the ultraviolet-resistant polyester fiber and cool-sensation polyester fiber to make their moisture regain reach 0.66%;

[0067] Step 2: Opening and cleaning cotton process:

[0068] In this process, the three kinds of fibers, namely ultraviolet-resistant fiber, antibacterial fiber, and cool-sensation fiber, are each separately subjected to the opening and cleaning cotton process. The speed of the bale opener beater is 720 r / min, the speed of the saw-tooth beater is 480 r / min, the speed of the comprehensive beater is 875 r / min, the speed of the cotton roll roller for viscose is 12 r / min, and for ultraviolet-resistant polyester fiber and cool-sensation polyester fiber is 10 r / min. The fixed length of the cotton roll for viscose fiber roll is 36 m, and for ultraviolet-resistant polyester fiber and cool-sensation polyester fiber polyester roll is 32.4 m;

[0069] Step 3: Carding process:

[0070] Card the three kinds of fibers after opening and cleaning into sliver by the carding machine to further remove minute impurities; in the carding process, adopt the process principles of "flexible carding" and "multiple carding and strong transfer", with a relatively large speed ratio of the cylinder to the licker-in to reduce fiber damage and short fiber generation. The cylinder clothing is selected as White Shark AC2035×1645TR - 3 - 65(1280), the doffer clothing is selected as AD4030×02090 - G(1280), the licker-in clothing is selected as AT5610×05611, and the flat clothing is selected as MCH32P; among them, control the corresponding conditions as shown in the following table;

[0071] Table 8 Parameter configuration of the blow-carding unit process

[0072]

[0073] Step 4: Drawing process:

[0074] For viscose fiber, the process principle of "large roller gauge, heavy pressure, positive draft, and smooth channel" is adopted. In order to eliminate the hooks and improve the straightness and parallelism of the fibers, a relatively large draft multiple in the back zone is used, which is beneficial to eliminating the front hooks; the draft multiple in the back zone of the second drawing is 1.125 times to facilitate centralized drafting and improve the evenness of the sliver; the roller gauge is set relatively large to facilitate smooth drafting and reduce the wrapping of the top rollers.

[0075] Table 9 Process configuration of the drawing process (first and second drawing processes)

[0076]

[0077] After the card slivers of antibacterial viscose fiber (1), anti-ultraviolet polyester fiber (2), and cool-sense polyester fiber (3) respectively pass through the first and second drawing processes, in the third drawing process, according to the sorting of 122331, they enter the third drawing process by the process of sliver mixing. The process configuration of the drawing process is as follows:

[0078] Table 10 Process parameter configuration of the drawing process (third drawing process)

[0079]

[0080] Step 5: Roving process:

[0081] Adopt the process configuration of "light weight per unit length, slightly larger draft multiple in the back zone, and slightly larger roving twist factor", reasonably adjust the tension of the large, medium, and small yarns, reduce the unevenness of the roving weight, which is beneficial to increasing the compactness of the front zone sliver of the yarn, reducing the hairiness and details of the yarn, and improving the yarn strength; the main process parameter configuration is as follows:

[0082] Table 11 Process configuration of the roving process

[0083] Main Process Items of Roving Process Roving Process Roller Diameter (1 / 2 / 3 / 4) / mm 32 / 32 / 32 / 32 Yarn Bobbin Pressing Force (1 / 2 / 3 / 4) N / spindle 120 / 200 / 150 / 150 Roller Gauge / mm 13×27×43 Roving Weight per Unit Length (g / 10m) 3.8 Gauge Block (mm) 3.0 Roving Twist Factor 80 Draft Ratio of Rear Zone (times) 1.22 Speed of Spindle Flyer (r / min) 890

[0084] Step 6: Spinning process:

[0085] The parameter configuration of the spinning process adopts the process principle of "small nipper, heavy pressure, large back zone gauge, and small back zone draft" to ensure the stability of the yarn quality. Through the process optimization of each process, the yarn quality has been improved and stabilized.

[0086] Table 12 Main process parameters of the spun yarn

[0087] Process Items of Ring Spinning Process Process Data Ring Spinning Roller Diameter (mm) 027×027×027 Roller Gauge (mm) 18.5*36 Ring Type PG1 / 2 - 4054 Cop Type Lasi Mei 10 / 0 Draft of Rear Zone (times) 1.06 Mesh Count of Grid Ring 125 Mesh Ring Spinning Twist (turns / 10cm) 126 Ring Spinning Spindle Speed (r / min) 16200

[0088] Example 3

[0089] This embodiment provides a double-sea-island core type anti-ultraviolet, antibacterial, and cool-sensation compact siro-spun yarn. The difference from Embodiment 1 is that during the three-drawing process, the three types of fibers are arranged in the order of 123123, and the raw material performance parameters are as shown in the figure:

[0090] Table 13 Raw Material Performance Parameters

[0091]

[0092] A production process for producing a double-sea-island core type anti-ultraviolet, antibacterial, and cool-sensation compact siro-spun yarn by compact siro spinning includes the following steps:

[0093] Process Flow and Production Equipment:

[0094] Model A002D Bale Plucker → Model A035L Mixing and Opening Machine (equipped with Model A045B Condenser) → Model A036 Opening Machine → Model A092A Double-lattice Feeder (equipped with Model A045B Condenser) → Model A076C Scutcher → Model A186 Carding Machine → Model FA311 Draw Frame (three passes) → Model FA458 Roving Frame → Model FA506 Ring Spinning Frame → Model SAVIO Winder;

[0095] Step 1: Front Spinning Process:

[0096] Before opening and cleaning cotton, the three types of fibers are placed for more than 24 hours to balance the temperature and humidity. The workshop temperature is controlled at 27 - 33 °C and the humidity is 57 - 65%. The antibacterial viscose fiber raw material is humidified to make its moisture regain 12 - 13%; the anti-ultraviolet polyester fiber and the cool-sensation polyester fiber are humidified to make their moisture regain reach 0.66%.

[0097] Step 2: Opening and Cleaning Cotton Process:

[0098] In this process, the three types of fibers are each separately processed in the opening and cleaning cotton process. The speed of the bale plucker beater is 720 r / min, the speed of the saw-tooth beater is 480 r / min, the speed of the combined beater is 875 r / min. The speed of the cotton roll roller for viscose is 12 r / min, and for the anti-ultraviolet polyester fiber and the cool-sensation polyester fiber is 10 r / min. The fixed length of the cotton roll for viscose fiber roll is 36 m, and for the anti-ultraviolet polyester fiber and the cool-sensation polyester fiber polyester roll is 32.4 m.

[0099] Three: Carding Process:

[0100] After the blowroom process, the three types of fibers are carded into sliver by a carding machine to further remove minute impurities. The carding process adopts the technological principles of "flexible carding" and "multiple carding and strong transfer". With a relatively large speed ratio between the cylinder and the licker-in, fiber damage and short fiber generation are reduced. The cylinder wire cloth is selected as White Shark AC2035×1645TR-3-65(1280), the doffer wire cloth is selected as AD4030×02090-G(1280), the licker-in wire cloth is selected as AT5610×05611, and the flat wire cloth is selected as MCH32P. Among them, the corresponding control conditions are shown in the following table:

[0101] Table 14 Parameter Configuration of Blowroom-Carding Link

[0102]

[0103] Step Four: Drawing Process:

[0104] For viscose fibers, the technological principle of "large roller gauge, heavy pressure, positive draft, and smooth passage" is adopted. In order to eliminate the hooks and improve the straightness and parallelism of the fibers, a relatively large draft multiple in the back zone is used, which is beneficial to eliminating the front hooks. The draft multiple in the back zone of the second drawing is 1.125 times to facilitate centralized drafting and improve the evenness of the sliver. The roller gauge is set relatively large to facilitate smooth drafting and reduce apron winding.

[0105] Table 15 Technological Configuration of Drawing Process (First Drawing and Second Drawing Processes)

[0106]

[0107] After the viscose fiber sliver (1), the anti-ultraviolet polyester fiber sliver (2), and the cool-sense polyester fiber sliver (3) each go through the first and second drawing processes, during the third drawing process, they enter the third drawing process in the order of 123123 using the process of sliver blending. The technological configuration of the drawing process is as follows

[0108] Table 16 Parameter Configuration of Drawing Process (Third Drawing Process)

[0109]

[0110] Step Five: Roving Process:

[0111] Adopt the technological configuration of "light weight per unit length, slightly larger draft multiple in the back zone, and slightly larger roving twist factor", reasonably adjust the tensions of the large, medium, and small yarns, reduce the unevenness of the roving weight, which is beneficial to increasing the compactness of the front zone sliver of the yarn, reducing the hairiness and thin places of the yarn, and improving the strength of the yarn. The main technological parameter configuration is as follows:

[0112] Table 17 Technological Configuration of Roving Process

[0113] Main Process Items of Roving Process Roving Process Roller Diameter (1 / 2 / 3 / 4) / mm 32 / 32 / 32 / 32 Yarn Bobbin Pressing Force (1 / 2 / 3 / 4) N / spindle 120 / 200 / 150 / 150 Roller Gauge / mm 13×27×43 Roving Weight per Unit Length (g / 10m) 3.8 Gauge Block (mm) 3.0 Roving Twist Factor 80 Draft Ratio of Rear Zone (times) 1.22 Speed of Spindle Flyer (r / min) 890

[0114] Step 6: Spinning process:

[0115] The parameter configuration of the spinning process adopts the technological principle of "small nip, heavy pressure, large back zone gauge, and small back zone draft" to ensure the stability of yarn quality. Through the optimization of the processes of each procedure, the yarn quality has been improved and stabilized.

[0116] Table 18 Main process parameters of spinning

[0117] Process Items of Ring Spinning Process Process Data Ring Spinning Roller Diameter (mm) 027×027×027 Roller Gauge (mm) 18.5*36 Ring Type PG1 / 2 - 4054 Cop Type Lasi Mei 10 / 0 Draft of Rear Zone (times) 1.06 Mesh Count of Grid Ring 125 Mesh Ring Spinning Twist (turns / 10cm) 126 Ring Spinning Spindle Speed (r / min) 16200

[0118] Example 4

[0119] This example provides a double-sea-island core type anti-ultraviolet, antibacterial, and cool-sensation compact siro-spun yarn. The difference from Example 1 is that during the three passages of drawing, the three kinds of fibers are arranged in the order of 132231, and the raw material performance parameters are as shown in the figure:

[0120] Table 19 Raw material performance parameters

[0121]

[0122] A production process for producing a double-sea-island core type anti-ultraviolet, antibacterial, and cool-sensation compact siro-spun yarn by compact siro spinning includes the following steps:

[0123] Process flow and production equipment:

[0124] Model A002D bale opener → Model A035L mixing and opening machine (equipped with Model A045B cotton condenser) → Model A036 opening machine → Model A092A double-cotton-bin feeder (equipped with Model A045B cotton condenser) → Model A076C coiler → Model A186 carding machine → Model FA311 drawing frame (three passages) → Model FA458 roving frame → Model FA506 spinning machine → SAVIO winding machine;

[0125] Step 1: Front spinning process:

[0126] Before opening and cleaning cotton, the three kinds of fibers are placed for more than 24 hours to balance the temperature and humidity under the conditions that the workshop temperature is controlled at 27 - 33 °C and the humidity is 57 - 65%; the antibacterial viscose fiber raw material is humidified to make its moisture regain 12 - 13%; the anti-ultraviolet polyester fiber and the cool-sensation polyester fiber are humidified to make their moisture regain reach 0.66%;

[0127] Step 2: Opening and cleaning cotton process:

[0128] In this process, the three types of fibers are separately processed through the opening and cleaning process. The speed of the grabber beater is 720 r / min, the speed of the carding beater is 480 r / min, and the speed of the comprehensive beater is 875 r / min. The speed of the cotton lap roller for viscose fiber is 12 r / min, and for anti-ultraviolet polyester fiber and cool-sensation polyester fiber is 10 r / min. The fixed length of the cotton lap for viscose fiber is 36 m, and for anti-ultraviolet polyester fiber and cool-sensation polyester fiber is 32.4 m;

[0129] Step 3: Carding process:

[0130] The three types of fibers after opening and cleaning are carded into sliver by a carding machine to further remove tiny impurities. The carding process adopts the technological principles of "flexible carding" and "multiple carding and strong transfer", with a relatively large speed ratio between the cylinder and the licker-in to reduce fiber damage and short fiber generation. The cylinder clothing is selected as White Shark AC2035×1645TR-3-65(1280), the doffer clothing is selected as AD4030×02090-G(1280), the licker-in clothing is selected as AT5610×05611, and the flat clothing is selected as MCH32P. Among them, the corresponding control conditions are shown in the following table;

[0131] Table 20 Parameter Configuration of Blowroom and Carding Process

[0132]

[0133] Step 4: Drawing process:

[0134] For viscose fiber, the technological principles of "large roller gauge, heavy pressure, positive draft, and smooth channel" are adopted. In order to eliminate the hooks and improve the straightness and parallelism of the fibers, a relatively large back zone draft multiple is used, which is beneficial to eliminating the front hooks. The back zone draft multiple of the second drawing is 1.125 times to facilitate centralized drafting and improve the sliver evenness. The roller gauge is set relatively large to facilitate smooth drafting and reduce roller wrapping;

[0135] Table 21 Process Configuration of Drawing Process (First and Second Drawing Processes)

[0136]

[0137] The sliver of antibacterial viscose fiber (1), anti-ultraviolet polyester fiber (2), and cool-sensation polyester fiber (3) respectively go through the first and second drawing processes. During the third drawing process, according to the sorting of 132231, they enter the third drawing process by using the process of sliver mixing. The process configuration of drawing is as follows:

[0138] Table 22 Process Parameter Configuration of Drawing Process (Third Drawing Process)

[0139]

[0140] Step 5: Roving process:

[0141] Adopt the process configuration of "light quantitative, slightly larger draft multiple in the back zone, slightly larger roving twist coefficient", reasonably adjust the tension of large, medium and small yarns, reduce the unevenness of roving weight, which is beneficial to increasing the compactness of the sliver in the front zone of the spun yarn, reducing the hairiness and thin places of the spun yarn, and improving the strength of the spun yarn. The main process parameter configurations are as follows:

[0142] Table 23 Process Configuration of Roving Process

[0143] Main Process Items of Roving Process Roving Process Roller Diameter (1 / 2 / 3 / 4) / mm 32 / 32 / 32 / 32 Yarn Bobbin Pressing Force (1 / 2 / 3 / 4) N / spindle 120 / 200 / 150 / 150 Roller Gauge / mm 13×27×43 Roving Weight per Unit Length (g / 10m) 3.8 Gauge Block (mm) 3.0 Roving Twist Factor 80 Draft Ratio of Rear Zone (times) 1.22 Speed of Spindle Flyer (r / min) 890

[0144] Step Six: Spun Yarn Process:

[0145] The parameter configuration of the spun yarn process adopts the process principle of "small nipper, heavy pressure, large back zone gauge, small back zone draft" to ensure the stability of the spun yarn quality. After the process optimization of each process, the spun yarn quality has been improved and stabilized.

[0146] Table 24 Main Process Parameters of Spun Yarn

[0147] Process Items of Ring Spinning Process Process Data Ring Spinning Roller Diameter (mm) 027×027×027 Roller Gauge (mm) 18.5*36 Ring Type PG1 / 2 - 4054 Cop Type Lasi Mei 10 / 0 Draft of Rear Zone (times) 1.06 Mesh Count of Grid Ring 125 Mesh Ring Spinning Twist (turns / 10cm) 126 Ring Spinning Spindle Speed (r / min) 16200

[0148] According to the first-class product technical requirements of "Blended Grey Yarn of Polyester and Viscose Fibers" in 2015, the measured data are as follows.

[0149] Table 24 Main Quality Indexes of Spun Yarn

[0150]

[0151] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn, characterized in that: The components in the yarn are: anti-ultraviolet fiber sliver, antibacterial fiber sliver and cool fiber sliver; The anti-ultraviolet fiber raw strips, the antibacterial fiber raw strips and the cool feeling fiber raw strips are placed side by side to produce ready-made strips, and are formed into yarns after going through a roving process, a spun yarn process and a winding process.

2. A double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 1, characterized in that: The anti-ultraviolet fibers in the anti-ultraviolet fiber sliver, the antibacterial fibers in the antibacterial fiber sliver, and the cooling fibers in the cooling fiber sliver are all short fibers with the same length.

3. A double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 2, characterized in that: The anti-ultraviolet fiber, antibacterial fiber and cool feeling fiber are all made of fine denier fiber with a dtex of 1.33-1.

67.

4. A double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 3, characterized in that: The anti-ultraviolet fiber and the cool feeling fiber are preferably polyester fiber, and the antibacterial fiber is preferably viscose fiber.

5. A production process of the double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claims 1-4, characterized in that: The steps include: Step 1, using short fibers of anti-ultraviolet fiber, antibacterial fiber and cool feeling fiber as raw materials for roving, each raw material is subjected to blowing and carding, first drawing and second drawing to form anti-ultraviolet fiber sliver, antibacterial fiber sliver and cool feeling fiber sliver for standby use; Step 2, in the final drawing process, the anti-ultraviolet fiber sliver, the antibacterial fiber sliver, and the cool feeling fiber sliver are placed side by side in a ratio of 1:1:1 to produce slivers, and the roving is produced after the roving process; Step three, the two rovings are made into yarn through the spinning and winding processes.

6. The production process of a double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 5, characterized in that: The indicators of the cotton sliver in the blowing and carding process are: dry basis weight 18.0 g / 5 m--25.0 g / 5 m, and sliver delivery speed 160-180 m / min; The total drafting ratio in the first drawing process is 6.28-6.88 times, the drafting ratio in the back zone is 1.76, the delivery speed is 320-360 m / min, and the number of draws is 8; The total drafting ratio in the second drawing process is 7.76-8.08 times, the drafting ratio in the back zone is 1.53, the delivery speed is 320-360 m / min, and the number of draws is 8; The total drafting multiple in the final drawing process is 6.88-7.17 times, the drafting multiple in the back zone is 1.36, the delivery speed is 280-320 m / min, and the number of draws is 6.

7. The production process of a double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 6, characterized in that: The straightness of the mixed fiber sliver produced from the anti-ultraviolet fiber sliver, the antibacterial fiber sliver and the cool feeling fiber sliver is above 95%.

8. The production process of a double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 5, characterized in that: In the roving process, the dry weight of the roving is 2.9 g / 10 m-4.1 g / 10 m, the post-drafting multiple is 1.1-1.3, the twist coefficient is 88-110, and the spindle speed is 850-900 r / min.

9. The production process of a double island-in-the-sea core type anti-ultraviolet, antibacterial, cool-feeling compact spinning yarn according to claim 5, characterized in that: The spinning process is as follows: two rovings are produced into "Z" twisted yarns on a spinning frame equipped with compact spinning and siro spinning, and then drafted and twisted into yarns; the total drafting multiple is 66.7-78.2, the post-drafting multiple is 1.16-1.32, and the twist coefficient is 340-360.

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