CN114561731A - A kind of functional textile color spinning yarn and preparation method thereof - Google Patents

Abstract

The invention discloses a functional textile color-spun yarn and a preparation method thereof, comprising the following preparation steps: modification treatment and dyeing: modifying loose fibers by organizing loose fibers according to color matching requirements, and dyeing the desired modified loose fibers; Cotton blending: According to the requirements of raw material blending ratio and color ratio, various fibers are weighed in proportion and fully mixed; the weighed loose fibers are layered and mixed according to regulations. If the batch is large, it is divided into several small batches Mixing; Carding: Carding the cotton roll into strips with a carding machine, the pressure roller and the rotating rod are in contact, and the sliding extrusion between the two is conducive to filtering the sliding fibers, avoiding the waste of dyeing liquid and saving energy. resources, the pressing rod is in contact with the corresponding guide roller, so as to achieve the secondary extrusion of the fiber, which is convenient to make the surface of the dyed fiber without excess dye, and also ensures the uniformity of the dyeing line, realizes the recycling of the dyeing solution after filtration, and reduces the It reduces the expenditure cost of the enterprise and improves the dyeing efficiency of the spinning yarn.

Description

A kind of functional textile color spinning yarn and preparation method thereof

technical field

The invention relates to the technical field of textiles, in particular to a functional textile dyed yarn and a preparation method thereof.

Background technique

Colored spinning reverses the traditional spinning process. The coloring process is mentioned before spinning. After the process is changed, it can be made into a blend of cotton, hemp, wool, silk, chemical fiber and other raw materials. Its advantages: First, it completely solves the cylinder difference problem of grey fabric dyeing. As long as the color is determined, the color spinning can achieve unlimited batches; second, the color spinning solves the dyeing problem of various fabrics with different physical properties. Various fibers are mixed and spun. It can produce the effect of complementary performance, and the color spinning gives the fabric unlimited development space.

For example, during the dyeing process of some yarns at present, too many yarns may lead to entanglement between the yarns, which will affect the continuation of yarn dyeing, increase the workload of workers, and reduce the efficiency of yarn dyeing. At the same time, some yarns are dyed after dyeing. Too much liquid cannot be recycled better, and the dyeing liquid is unevenly mixed, which affects the dyeing effect on the surface of the yarn, and it is difficult to meet consumers' desire for a strange style. For this reason, we propose a functional textile color spinning. Threads and methods of making the same are used to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a functional textile dyed yarn and a preparation method thereof, so as to solve the technical problem of inconvenient to effectively recover excess liquid on the yarn in the above-mentioned background.

In order to achieve the above purpose, the present invention provides the following technical solutions: a preparation method of a functional textile color spinning yarn, comprising the following preparation steps:

S1. Modification treatment and dyeing: according to the needs of color matching, the loose fibers are organized for modification treatment, and the required modified loose fibers are dyed;

S2. Cotton matching: According to the requirements of raw material blending ratio and color ratio, various fibers are weighed in proportion and fully mixed;

S3, and cotton: the weighed loose fibers are mixed according to the regulations, and if the batch is large, it is divided into several small batches for mixing;

S4, carding: use a carding machine to comb the cotton rolls into strips;

S5, drawing: three draws and drafting, so that the fibers are parallel and straight, and the evenness is uniform;

S6. Roving: processed into roving in the roving process, and the roving quantitative should match the spun yarn count;

S7. Winding: winding into conical yarn on the automatic winding machine;

Wherein, in step S1, the modified loose fibers are dyed by a dyeing device, thereby obtaining fibers of different colors.

According to the above technical solution, the dyeing device includes a bottom plate, a processing box and a pressing mechanism installed in the processing box, and both ends of the processing box are respectively provided with a feed roller and a discharge roller, and the feed roller The two ends of the cotton discharge roller and the two ends of the output roller are both rotatably plugged with the corresponding ends of the processing box, the processing box is arranged on the top of the bottom plate, and a dyeing hopper is detachably installed in the processing box. The tops of both sides of the bucket are provided with guide rollers, the inner wall of the dyeing bucket close to one end of the cotton discharge roller is provided with two opposite fixing plates, and the opposite sides of the two fixing plates are provided with trapezoidal grooves. A rotating rod parallel to the guide roller is rotatably inserted between the trapezoidal grooves; the extrusion mechanism includes a cylinder installed on the inner wall of the processing box, and the piston rod at the output end of the cylinder is fixedly connected to the guide roller. Parallel support frames, the side of the support frame close to the guide roller is provided with two opposite connecting plates, one end of the two connecting plates is connected with a pressing rod, and the pressing rod is located in one of the Just above the guide roller, the bottom end of the support frame is fixedly connected with a pressing roller, the roller shafts at both ends of the pressing roller are slidably inserted into the trapezoidal groove, and the pressing roller is in sliding contact with the rotating rod .

According to the above technical solution, a heat-conducting plate is installed above the inner wall of one end of the processing box close to the discharge roller, a heater is installed on one side of the heat-conducting plate, and the heat-conducting plate is in a "U" shape. A bellows is also installed on the top of the inner wall of the box, one end of the bellows is connected with a fan, the bellows is located between the dyeing hopper and the heat-conducting plate, and the air outlet of the bellows faces the heat-conducting plate.

According to the above technical solution, the roller shafts at both ends of the pressing roller are provided with springs, the trapezoidal grooves are provided with pads matched with the springs, and the pads are not in contact with both ends of the rotating rod, so The bottom end of the rotating rod is provided with a baffle plate, and both ends of the baffle plate are connected with the corresponding one end of the fixed plate body.

According to the above technical solution, the inner wall of the processing box is hinged with two dustproof plates corresponding to the cotton feeding rollers, the bottom of the inner wall of the processing box is provided with two sliding rails, and the bottom end of the dyeing hopper is fixed A sliding block is provided, and the sliding block is slidably clamped in the inner wall of the track of the sliding rail.

According to the above technical solution, the surface of the processing box is provided with a door panel corresponding to the position of the dyeing hopper, and a viewing window is also provided on the processing box on the top of the door panel.

According to the above technical solution, the top end of the bottom plate is respectively provided with a textile frame and a take-up roller, the textile frame is located on one side of the feed roller, the take-up roller is located on one side of the output roller, and The bottom of the bottom plate is provided with a plurality of support seats.

The present invention also provides a functional textile color-spun yarn prepared by the above-mentioned preparation method of the functional colored-spun yarn, wherein the loose fibers used in the functional color-spun yarn are modified by a modifier; the Types of loose fibers include but are not limited to cotton fibers, chemical fibers, wool fibers, silk fibers, and hemp fibers;

The count of the functional textile colored yarn is 15S～65S single yarn or strand; the twist of the single yarn is 350～1500 twists/m, and the twist of the strands is 170～1400 twists/meter Meter;

The modifier is composed of nano silver, chitosan and nano titanium dioxide; the weight ratio of the nano silver, chitosan and titanium dioxide can be 1:73:16.

Compared with the prior art, the beneficial effects of the present invention are:

1. The extrusion mechanism set in the processing box makes the output end of the cylinder drive the support frame to move, thereby driving the roller shafts at both ends of the pressing roller to slide along the trapezoidal groove on the fixed plate, which is convenient for the contact between the pressing roller and the rotating rod. , the sliding extrusion between the two is conducive to filtering the sliding fibers, avoiding the waste of dyeing liquid, saving resources, and the pressure rod is in contact with the corresponding guide roller, so as to achieve the secondary extrusion of the fiber, which is convenient for dyeing. There is no excess dye on the surface of the fiber, which also ensures the uniformity of the dyeing thread, realizes the recycling of the dyeing solution after filtration, reduces the expenditure cost of the enterprise, and improves the dyeing efficiency of the spinning yarn.

2. Through the combination of the set bellows and the heat-conducting plate, the fibers after extrusion and filtering are firstly blown, which is beneficial to speed up the drying of the dyed fibers, and the heated heat-conducting plate is convenient for steaming and fixing the dyed fibers. It is convenient to improve the fixed molding of fiber dyeing, and the deflector is convenient to slide the extruded dyes into the dyeing hopper along the two sides of the plate body, so as to realize the recycling of dyeing solution after filtration.

Description of drawings

FIG. 1 is a schematic diagram of the specific structure of the dyeing device used in step S1 of the preparation method of the functional textile dyed yarn in Example 2 of the present invention.

FIG. 2 is a partially cut-away structural schematic diagram of FIG. 1 from another viewing angle.

FIG. 3 is a schematic diagram of the specific structure of the extrusion mechanism in the processing box.

FIG. 4 is a partial structural schematic diagram of one end of the inner wall of the processing box.

In the figure: 1. Bottom plate; 11. Textile frame; 12. Take-up roller; 2. Processing box; 21. Door panel; 22. Cotton feeding roller; 23. Bellows; 231. Fan; rail; 26, cotton output roller; 27, heat conduction plate; 28, heater; 3, air cylinder; 31, support frame; 32, connecting plate; 33, pressing rod; 34, pressing roller; 35, spring; 4, dyeing bucket ; 41, guide roller; 42, slider; 43, fixed plate; 44, rotating rod; 45, deflector.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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 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.

Example 1

The present embodiment provides a preparation method of functional textile dyed yarn, comprising the following preparation steps:

S1. Modification treatment and dyeing: according to the needs of color matching, the loose fibers are organized for modification treatment, and the required modified loose fibers are dyed;

S2. Cotton matching: According to the requirements of raw material blending ratio and color ratio, various fibers are weighed in proportion and fully mixed;

S3, and cotton: the weighed loose fibers are mixed according to the regulations, and if the batch is large, it is divided into several small batches for mixing;

S4, carding: use a carding machine to comb the cotton rolls into strips;

S5, drawing: three draws and drafting, so that the fibers are parallel and straight, and the evenness is uniform;

S6. Roving: processed into roving in the roving process, and the roving quantitative should match the spun yarn count;

S7. Winding: winding into conical yarn on the automatic winding machine;

Wherein, in step S1, the modified loose fibers are dyed by a dyeing device, thereby obtaining fibers of different colors.

Please refer to Figures 1-4. The dyeing device includes a bottom plate 1, a processing box 2 and a pressing mechanism installed in the processing box 2. The two ends of the processing box 2 are respectively provided with a feeding roller 22 and a feeding roller 26. Both ends of the 22 and the two ends of the output roller 26 are rotatably plugged with the corresponding ends of the processing box 2. The processing box 2 is arranged on the top of the bottom plate 1, and a dyeing hopper 4 is detachably installed in the processing box 2. Guide rollers 41 are provided at the top ends of the sides, and two opposite fixing plates 43 are arranged on the inner wall of the dyeing hopper 4 near one end of the cotton discharge roller 26. The opposite sides of the two fixing plates 43 are provided with trapezoidal grooves. A rotating rod 44 parallel to the guide roller 41 is rotated and inserted between them; the extrusion mechanism includes a cylinder 3 installed on the inner wall of the processing box 2, and the piston rod at the output end of the cylinder 3 is fixedly connected with a support frame parallel to the guide roller 41 31. The side of the support frame 31 close to the guide roller 41 is provided with two opposite connecting plates 32, and one end of the two connecting plates 32 is connected with a pressing rod 33, and the pressing rod 33 is located directly above one of the guide rollers 41, supporting The bottom end of the frame 31 is fixedly connected with a pressing roller 34, the roller shafts at both ends of the pressing roller 34 are slidably inserted into the trapezoidal groove, and the pressing roller 34 is in sliding contact with the rotating rod 44, and the cotton feeding roller 22 is used for the desired dyeing. The fibers are introduced into the treatment box 2, the introduced fibers are slid into the dyeing hopper 4 by the guide roller 41, and the dyed fibers pass through the surface of the rotating rod 44. At the same time, by driving the cylinder 3, the piston rod at the output end is driven and fixed. The connected support frame 31 moves to one end of the turning rod 44, and the driven support frame 31 drives the pressure roller 34 connected at the bottom end, so that the roller shafts at both ends of the pressure roller 34 slide along the trapezoidal groove on the fixed plate 43, which is convenient for the pressure roller 34 In contact with the rotating rod 44, the sliding extrusion between the two is conducive to filtering the sliding fibers, avoiding waste of dyeing liquid, saving resources, and the driven support frame 31 synchronously drives the connecting plate 32 on one side and the pressure The rod 33 is convenient to make the pressing rod 33 contact with the corresponding guide roller 41, so as to achieve the secondary extrusion of the fiber, which is convenient to make the surface of the dyed fiber without excess dye, and also ensures the uniformity of the dyeing thread. The recycling of the spun yarn reduces the expenditure cost of the enterprise and improves the dyeing efficiency of the spinning yarn.

A heat-conducting plate 27 is installed above the inner wall of one end of the processing box 2 close to the cotton-discharging roller 26, and a heater 28 is installed on one side of the heat-conducting plate 27. 23. One end of the bellows 23 is connected with a fan 231. The bellows 23 is located between the dyeing hopper 4 and the heat-conducting plate 27, and the air outlet of the bellows 23 faces the heat-conducting plate 27. The work of the heater 28 can heat the heat-conducting plate 27 and heat the heat-conducting plate 27. The rear heat-conducting plate 27 is convenient for steaming and fixing the dyed fibers, which is convenient for improving the efficiency of fiber dyeing and molding. The fan 231 is set so that the wind generated by the wind box 23 is blown to the fibers after extrusion and filtering, which is convenient for speeding up. Drying of dyed fibers.

The roller shafts at both ends of the pressing roller 34 are provided with springs 35, and the trapezoidal grooves are provided with pads matched with the springs 35. The pads are not in contact with the two ends of the rotating rod 44, and the bottom end of the rotating rod 44 is provided with a flow guide. Plate 45, the two ends of the deflector 45 are connected with the corresponding end of the plate body of the fixed plate 43, and the downward moving pressure roller 34 drives the springs 35 at both ends, so that the spring 35 is squeezed with the cushion block, buffering the pressure roller 34 and the The sudden contact of the rotating rod 44 and the cooperation between the pressing roller 34 and the rotating rod 44 are convenient to squeeze and filter the dyed fibers, so as to squeeze out the excess dye on the fibers. The dyestuffs are slid into the dyeing bucket 4 along both sides of the plate body.

The inner wall of the processing box 2 is hinged with two dustproof plates 24 corresponding to the cotton feeding rollers 22, two sliding rails 25 are arranged at the bottom of the inner wall of the processing box 2, and the bottom end of the dyeing bucket 4 is fixedly provided with a sliding block 42, which slides. The block 42 is slidably clamped in the inner wall of the rail of the slide rail 25, and the dustproof plate 24 is used to remove dust from the fibers introduced into the processing box 2 for the first time, so as to avoid foreign matter adhering to the surface of the fibers. By pulling the handle on the surface of the dyeing bucket 4, the driven The dyeing hopper 4 drives the slider 42 to move along the slide rail 25, which facilitates sliding the dyeing hopper 4 out of the processing box 2, facilitates the replacement of the dyeing hopper 4, and facilitates dyeing of different fibers.

The surface of the processing box 2 is provided with a door panel 21 corresponding to the position of the dyeing hopper 4, and a viewing window is also provided on the processing box 2 on the top of the door panel 21. The door panel 21 is opened along the inner wall of the processing box 2 to facilitate the placement and removal of the dyeing hopper 4. The viewing window is used to observe the dyeing situation in the treatment box 2 .

The top of the bottom plate 1 is respectively provided with a textile frame 11 and a take-up roller 12, the textile frame 11 is located on one side of the cotton feed roller 22, the thread take-up roller 12 is located on one side of the cotton output roller 26, and the bottom of the bottom plate 1 is provided with a plurality of The support base, the textile frame 11 is used to support the fiber raw material, and the raw material is introduced into the processing box 2 from the feed roller 22 , and the take-up roller 12 is used to collect the dyed fibers from the output roller 26 .

Working principle: First, the fibers are passed through the processing box 2 and the dyeing hopper 4 in turn by the pre-established lines. For the dyed fibers transported from the dyeing hopper 4, the piston rod at the output end drives the fixed connection support by driving the cylinder 3. The frame 31 moves to one end of the turning rod 44, and the driven support frame 31 drives the pressing roller 34 connected to the bottom end, so that the roller shafts at both ends of the pressing roller 34 slide along the trapezoidal grooves on the fixed plate 43, so that the pressing roller 34 and the turning rod can slide easily. 44 are in contact with each other, under the cooperation of the spring 35, the sudden contact between the pressing roller 34 and the rotating rod 44 is buffered, and the sliding extrusion between the two is conducive to filtering the sliding fibers. The output dyes slide into the dyeing hopper 4 along the two sides of the plate body to avoid waste of dyeing liquid and save resources. The fibers are dyed, and the driven support frame 31 simultaneously drives the connecting plate 32 and the pressing rod 33 on one side, so that the pressing rod 33 is in contact with the corresponding guide roller 41, so as to achieve the secondary extrusion of the fibers, which is convenient for dyeing the fibers. There is no excess dye on the surface, which also ensures the uniformity of the dyed thread, realizes the recycling of the dyeing solution after filtration, reduces the expenditure cost of the enterprise, and is beneficial to improve the dyeing efficiency of the spun yarn. Drying and the use of the heat-conducting plate 27 are convenient for steaming and fixing the dyed fibers, which further improves the effect of fiber dyeing and molding.

Example 2

This embodiment adopts the functional textile color spun yarn prepared by the preparation method of a functional textile color spun yarn of the above Example 1, and the loose fibers used in the functional color spun yarn are modified by a modifier. ; The types of the loose fibers include but are not limited to cotton fibers, chemical fibers, wool fibers, silk fibers, and hemp fibers;

The count of the functional textile colored yarn is 15S～65S single yarn or strand; the twist of the single yarn is 350～1500 twists/m, and the twist of the strands is 170～1400 twists/meter Meter;

The modifier is composed of nano silver, chitosan and nano titanium dioxide; the weight ratio of the nano silver, chitosan and titanium dioxide can be 1:73:16;

The above modifier is prepared into a 20% solution with water, sodium laurate is added to the solution, and the solution is vigorously stirred to obtain a modified solution; the fibers are immersed in the modified solution for 15-20 minutes, and then The fibers were placed in a sealed reaction kettle and kept at a constant temperature of 130°C for 1.5 hours. After the reaction was completed, the fibers were immersed in absolute ethanol and water for 15-20min, and dried at 65°C to obtain modified fibers.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The preparation method of the functional textile colored spun yarn is characterized by comprising the following preparation steps:

s1, modification treatment and dyeing: organizing loose fibers according to color matching requirements for modification treatment, and dyeing the loose fibers needing modification;

s2, cotton blending: weighing various fibers according to the requirements of the blending ratio and the color ratio of the raw materials, and then fully mixing;

s3, and cotton: laying and mixing the weighed loose fibers according to the specification, and if the batch of the fed materials is large, dividing the materials into a plurality of small batches for mixing;

s4, carding: carding the cotton roll into strips by a carding machine;

s5, drawing: drawing and drafting three times to enable the fibers to be straightened in parallel and to be even;

s6, roving: processing the rough yarn into rough yarn in a rough yarn process, wherein the rough yarn quantitative is matched with the spun yarn number;

s7, spooling: winding conical cone yarn on an automatic winder;

in step S1, the modified loose fibers are dyed by a dyeing device, so that fibers of different colors are obtained.

2. The method for preparing the functional textile colored spun yarn according to claim 1, which is characterized in that: adopt dyeing apparatus to dye modified loose fiber in step S1, dyeing apparatus includes bottom plate (1), processing case (2) and installs handle the extrusion mechanism in case (2), the both ends of handling case (2) are provided with cotton feeding roller (22) respectively and go out cotton roller (26), the both ends of cotton feeding roller (22) with the both ends that go out cotton roller (26) all rotate with the corresponding tip of handling case (2) and peg graft, it settles to handle case (2) bottom plate (1) top, demountable installation has dyeing fill (4) in handling case (2), the top of dyeing fill (4) both sides all is provided with deflector roll (41), dyeing fill (4) are close to the inner wall that goes out cotton roller (26) one end is equipped with two relative fixed plates (43), two trapezoidal channels have all been seted up to the relative one side of fixed plate (43), a rotating rod (44) parallel to the guide roller (41) is rotatably inserted between the two trapezoidal grooves; extrusion mechanism is including installing cylinder (3) on handling case (2) inner wall, the piston rod fixedly connected with of cylinder (3) output with support frame (31) that deflector roll (41) parallel, support frame (31) are close to one side of deflector roll (41) is provided with two relative linking plate (32), two the one end of linking plate (32) all is connected with depression bar (33), depression bar (33) are located one of them deflector roll (41) directly over, the bottom fixedly connected with compression roller (34) of support frame (31), the roller slide at compression roller (34) both ends is inserted and is established the dovetail groove, just compression roller (34) with sliding contact between bull stick (44).

3. The method for preparing the functional textile colored spun yarn according to claim 2, characterized in that: handle case (2) and be close to go out cotton roller (26) one end inner wall top and install heat-conducting plate (27), it has heater (28) to survey one of heat-conducting plate (27) to survey, heat-conducting plate (27) are "U" shape structure, handle case (2) inner wall's top and still install bellows (23), the one end of bellows (23) is connected with fan (231), bellows (23) are located between dyeing fill (4) and heat-conducting plate (27), just the air outlet orientation of bellows (23) heat-conducting plate (27).

4. The method for preparing the functional textile colored spun yarn according to claim 2, characterized in that: all be provided with spring (35) on the roller at compression roller (34) both ends, the dovetail groove be provided with spring (35) matched with cushion, the both ends contactless of cushion and bull stick (44), the bottom of bull stick (44) is provided with guide plate (45), the both ends of guide plate (45) with the corresponding one end of fixed plate (43) plate body is connected.

5. The method for preparing the functional textile colored spun yarn according to claim 2, characterized in that: the inner wall of handling case (2) articulate have two with give cotton roller (22) corresponding dust guard (24), the bottom of handling case (2) inner wall is provided with two slide rails (25), the bottom mounting of dyeing fill (4) is provided with slider (42), slider (42) slip card is established in the track inner wall of slide rail (25).

6. The method for preparing the functional textile colored spun yarn according to claim 2, characterized in that: the surface of the treatment box (2) is provided with a door plate (21) corresponding to the position of the dyeing hopper (4), and the treatment box (2) at the top of the door plate (21) is also provided with a window.

7. The method for preparing the functional textile colored spun yarn according to claim 2, characterized in that: the top end of the bottom plate (1) is provided with a spinning frame (11) and a take-up roller (12) respectively, the spinning frame (11) is located on one side of the cotton feeding roller (22), the take-up roller (12) is located on one side of the cotton discharging roller (26), and a plurality of supporting seats are arranged at the bottom of the bottom plate (1).

8. The functional textile spun-dyed yarn prepared by the method for preparing functional textile spun-dyed yarn according to any one of claims 1 to 7, wherein the loose fiber used in the functional spun-dyed yarn is modified by a modifier; the types of the loose fibers include but are not limited to cotton fibers, chemical fibers, wool fibers, silk fibers, hemp fibers;

the functional textile colored spun yarn is a single yarn or plied yarn with the count of 15S-65S; the twist of the single yarn is 350-1500 twists/m, and the twist of the plied yarn is 170-1400 twists/m;

the modifier consists of nano silver, chitosan and nano titanium dioxide; the weight ratio of the nano silver to the chitosan to the titanium dioxide can be 1:73: 16.

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