Knitted fabric and preparation process thereof

Abstract

The invention relates to the technical field of knitted fabrics, and provides a knitted fabric and a preparation process thereof, and the preparation process comprises the following production steps: S1, selecting natural fibers or synthetic fibers, and spinning the natural fibers or synthetic fibers into yarns; s2, the yarn in the step 1 is soaked in dye liquor to be dyed, and after dyeing is completed, the yarn is dried and shaped; s3, knitting the dyed yarns into a knitted fabric through a circular knitting machine or a warp knitting machine; s4, dyeing the knitted fabric formed by knitting through dyeing equipment; s5, carrying out rolling drying treatment on the dyed fabric, and carrying out heat setting; s6, carrying out softening and anti-wrinkle treatment on the knitted fabric subjected to heat setting; s7, performing quality detection on the treated knitted fabric, and winding the detected knitted fabric through winding equipment; s8, preparation is completed, the rolled knitted fabric is stored in a dry and ventilated environment, and by means of the technical scheme, the dyeing uniformity of the knitted fabric and the quality of a final finished product are improved.

Description

Technical Field

[0001] The invention relates to the technical field of knitted fabrics, and in particular to a knitted fabric and a preparation process thereof. Background Art

[0002] Knitted fabric is a kind of fabric that is made by weaving yarn into a ring structure. Due to its unique weaving method, it has good elasticity, breathability and comfort. Compared with traditional woven fabrics, knitted fabrics are softer and fit the body curves. They are widely used in clothing, underwear, sportswear and other fields. Its production process is flexible and diverse, and various fiber materials such as cotton, polyester, nylon, etc. can be used to meet different market needs.

[0003] At present, the traditional dyeing process of knitted fabrics is usually to dye the whole fabric after it is woven and formed. However, this dyeing process has certain limitations, especially when dealing with high-density or heavy knitted fabrics, the dye is difficult to evenly penetrate into the deep fibers of the fabric, resulting in different dyeing depths on the inner and outer layers, resulting in color difference, which reduces the quality of the final knitted fabric. Summary of the invention

[0004] The invention provides a knitted fabric and a preparation process thereof, which improves the dyeing uniformity of the knitted fabric and the quality of the final product.

[0005] The technical solution of the present invention is as follows: A process for preparing a knitted fabric comprises the following production steps; S1. Select natural fibers or synthetic fibers and spin them into yarns; S2, immersing the yarn in step 1 into dyeing solution for dyeing, and drying and shaping the yarn after dyeing; S3, knitting the dyed yarn into a knitted fabric through a circular knitting machine or a warp knitting machine; S4, dyeing the knitted fabric through a dyeing device, wherein the dyeing device is filled with a dye solution of the same specification as step 2; S5, rolling the dyed fabric, drying it at a temperature of 100°C-180°C, and heat-setting it at a high temperature of 180°C-220°C; S6, softening and anti-wrinkle treating the knitted fabric after heat setting; S7, performing quality inspection on the treated knitted fabric, and winding the knitted fabric after the inspection through a winding device; S8. After the preparation is completed, the rolled knitted fabric is stored in a dry and ventilated environment.

[0006] Furthermore, the dyeing equipment includes a dyeing tank, on which are sequentially provided a first conveying roller, a second conveying roller, a third conveying roller, a first dyeing roller, a second dyeing roller, a fourth conveying roller and a fifth conveying roller which are rotatably connected to the dyeing tank, the first conveying roller, the second conveying roller, the third conveying roller, the fourth conveying roller and the fifth conveying roller are all arranged on the top of the dyeing tank, the first dyeing roller and the second dyeing roller are both arranged inside the dyeing tank, and the first dyeing roller and the second dyeing roller have the same horizontal height, a moving mechanism for moving the first dyeing roller and the second dyeing roller is provided on the side of the dyeing tank, and a driving mechanism for driving the first conveying roller and the fifth conveying roller to rotate synchronously is provided on the side of the dyeing tank.

[0007] Furthermore, the driving mechanism includes a first spur gear, an incomplete gear 1, an incomplete gear 2, a first rotating motor, and a first synchronous pulley group connecting the first conveying roller and the fifth conveying roller, the first conveying roller is rotatably connected to the dyeing tank through a first rotating shaft, the first spur gear is arranged on the first rotating shaft and is fixedly connected to the first rotating shaft, the side of the dyeing tank is rotatably connected to the second rotating shaft, and the second rotating shaft is arranged below the first rotating shaft, the incomplete gear 1 and the incomplete gear 2 are both fixedly connected to the first rotating shaft, the incomplete gear 1 is meshed with the first spur gear, the output end of the first rotating motor is fixedly connected to the second rotating shaft, the teeth of the incomplete gear 1 are concentrated on the side of the incomplete gear 1 away from the first conveying roller, the teeth of the incomplete gear 2 are concentrated on the side of the incomplete gear 2 close to the first conveying roller, and the teeth of the incomplete gear 1 and the incomplete gear 2 are arranged opposite to each other, and the moving mechanism is linked to the driving mechanism.

[0008] Furthermore, the moving mechanism includes a second spur gear, a rotating disk, a swing rod, an arc gear, and a rack. The second spur gear is rotatably connected to the side of the dyeing tank through a third rotating shaft, and the second spur gear is meshed with the incomplete gear 2. The rotating disk is rotatably connected to the inside of the dyeing tank through a fourth rotating shaft. One end of the fourth rotating shaft extends to the outside of the dyeing tank and is connected to the third rotating shaft through a second synchronous pulley set. The swing rod is rotatably connected to the inner wall of the dyeing tank through the rotating shaft. A sliding groove is provided on the side of the top of the swing rod away from the rotating shaft. A sliding column is provided on the rotating disk. The sliding column is slidably connected to the inner wall of the sliding groove. The arc gear is arranged at the bottom of the swing rod. Accommodation blocks are provided on the inner walls of both sides of the dyeing tank. Both sides of the accommodating blocks are slidably connected with moving blocks, and two adjacent moving blocks are fixedly connected by a connecting frame. The first dyeing roller and the second dyeing roller are rotatably connected to the corresponding moving blocks on both sides respectively. The rack is arranged on the top of the connecting frame, and the arc gear is meshed with the rack.

[0009] Furthermore, each of the accommodating blocks is provided with a moving groove inside, the moving block is slidably connected to the inner wall of the moving groove, and drainage ports are provided on both sides of the accommodating block, and the drainage ports are communicated with the moving groove.

[0010] Furthermore, the sliding column is in a cylindrical structure.

[0011] Furthermore, the second synchronous pulley group includes a second synchronous pulley 1, a second synchronous pulley 2 and a connecting belt for connecting the second synchronous pulley 1 and the second synchronous pulley 2, the second synchronous pulley 1 is arranged on the third rotating shaft and fixedly connected to the third rotating shaft, the second synchronous pulley 2 is arranged on the fourth rotating shaft and fixedly connected to the fourth rotating shaft, and the diameter of the second synchronous pulley 1 is twice that of the second synchronous pulley 2.

[0012] Furthermore, a stirring mechanism is provided at the bottom of the dyeing tank, and the stirring mechanism includes a second rotating motor, a stirring rod and a plurality of stirring blades arranged on the stirring rod, the stirring rod is rotatably connected to the inner wall of the dyeing tank, the second rotating motor is arranged on the side of the dyeing tank, the output end of the second rotating motor is fixedly connected to the stirring rod, and each stirring blade is circumferentially arranged with the stirring rod as the center.

[0013] A knitted fabric is made according to the above preparation process.

[0014] The working principle and beneficial effects of the present invention are: The present invention proposes a double dyeing process, that is, on the basis of yarn dyeing, the knitted fabric after weaving is dyed for the second time. Specifically, the yarn undergoes a preliminary chemical reaction with the dye during the initial dyeing, and the dye penetrates into the interior of the yarn, ensuring that the yarn has a basic color before weaving. After the yarn is dyed, the knitted fabric is woven into shape, and then dyed for the second time through a dyeing device, which can further improve the uniformity of the fabric color and make the fabric have richer color expression. In addition, the secondary dyeing process can also enhance the color fastness of the fabric, deepen the bonding strength of the dye and the fiber through double dyeing, prevent the fabric from fading during repeated washing or use, and thus improve the quality of the final product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] Figure 1 The structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The structure of the present invention is shown in FIG. Figure 2 ; Figure 3 for Figure 1 The enlarged schematic diagram at A in the middle; Figure 4 for Figure 1 The enlarged schematic diagram of point B in the middle; Figure 5 This is a schematic diagram of the structure of the accommodation block, the swing rod, and the rotating disk in this embodiment; Figure 6 It is a schematic cross-sectional view of the present invention.

[0017] In the figure: 1, dyeing tank; 101, first conveying roller; 102, second conveying roller; 103, third conveying roller; 104, first dyeing roller; 105, second dyeing roller; 106, fourth conveying roller; 107, fifth conveying roller; 2, first spur gear; 201, incomplete gear 1; 202, incomplete gear 2; 203, first rotating motor; 204, first synchronous pulley set; 205, first rotating shaft; 206, second rotating shaft; 3, second spur gear; 30 1. Rotating disk; 302. Swinging rod; 303. Arc gear; 304. Rack; 305. Third rotating shaft; 306. Sliding groove; 307. Sliding column; 308. Accommodating block; 309. Moving block; 310. Connecting frame; 311. Rotating shaft; 312. Drain port; 4. Second synchronous pulley 1; 401. Second synchronous pulley 2; 402. Connecting belt; 403. Fourth rotating shaft; 5. Second rotating motor; 501. Stirring rod; 502. Stirring blade. DETAILED DESCRIPTION

[0018] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] A process for preparing a knitted fabric comprises the following production steps: S1. Select natural fibers or synthetic fibers and spin them into yarns. By properly selecting natural fibers (such as cotton and wool) or synthetic fibers (such as polyester and nylon), the performance of the fabric can be adjusted according to the usage requirements.

[0020] S2, immerse the yarn in step 1 into the dye solution for dyeing, and dry and shape the yarn after dyeing. Dyeing at the yarn stage can ensure that each yarn can evenly absorb the dye, avoiding uneven dyeing and color difference problems after the fabric is formed. This step can ensure that the basic color tone of the fabric is consistent after weaving, which is conducive to the subsequent fabric dyeing effect.

[0021] S3, knitting the dyed yarn into a knitted fabric through a circular knitting machine or a warp knitting machine; S4, dyeing the knitted fabric through a dyeing device, which is filled with dye solution of the same specification as step 2. On the basis of yarn dyeing, further dyeing the finished fabric can enhance the color fastness of the fabric. Through double dyeing, the fiber and the dye form a stronger combination, improve the washability of the fabric, and extend the service life of the fabric and the quality of the final product; S5. Roll the dyed fabric and dry it at a temperature of 100℃-180℃, and heat-set it at a high temperature of 180℃-220℃; knitted fabrics are usually made of natural fibers (such as cotton, wool) or synthetic fibers (such as polyester, nylon). The temperature range of 100℃-180℃ is sufficient to evaporate the moisture and dye in the fabric without damaging the fibers. This temperature range can effectively dry the fabric while maintaining its softness, elasticity and fiber integrity. If the drying temperature is too high (over 180℃), the cellulose structure in the natural fiber may be damaged, causing the fabric to become brittle and hard, affecting its comfort. Synthetic fibers (such as polyester) are prone to melt or deform at excessively high temperatures, losing the original elasticity and strength of the fabric; S6. Softening and anti-wrinkle treatment of the knitted fabric after heat setting; softening treatment improves the hand feel, and anti-wrinkle treatment improves the wear resistance and wrinkle resistance of the fabric; S7, performing quality inspection on the treated knitted fabric, and winding the knitted fabric after the inspection through a winding device; S8. After the preparation is completed, the rolled knitted fabric is stored in a dry and ventilated environment to prevent the fabric from discoloration, aging or mildew.

[0022] Specifically, refer to Figure 1-6 The dyeing equipment includes a dyeing tank 1, on which a first conveying roller 101, a second conveying roller 102, a third conveying roller 103, a first dyeing roller 104, a second dyeing roller 105, a fourth conveying roller 106 and a fifth conveying roller 107 which are rotatably connected to the dyeing tank 1 are arranged in sequence. The first conveying roller 101, the second conveying roller 102, the third conveying roller 103, the fourth conveying roller 106 and the fifth conveying roller 107 are all arranged on the top of the dyeing tank 1, the first dyeing roller 104 and the second dyeing roller 105 are all arranged inside the dyeing tank 1, and the first dyeing roller 104 and the second dyeing roller 105 have the same horizontal height, so that the fabric remains in a horizontal state when passing through the first dyeing roller 104 and the second dyeing roller 105, and when dyeing the fabric, the first dyeing roller 104 and the second dyeing roller 105 need to be immersed in the dye solution.

[0023] A moving mechanism for moving the first dyeing roller 104 and the second dyeing roller 105 is provided on the side of the dyeing tank 1, and a driving mechanism for driving the first conveying roller 101 and the fifth conveying roller 107 to rotate synchronously is provided on the side of the dyeing tank 1. In actual use, after the knitted fabric passes around each conveying roller, it can be appropriately relaxed without being too tight. Then start the moving mechanism, which will drive the first dyeing roller 104 and the second dyeing roller 105 to move synchronously, and the knitted fabric will also move with it (it should be noted that the knitted fabric usually has a certain elasticity), thereby ensuring that the dye is evenly distributed on the surface of the fabric and improving product quality. In addition, by moving the fabric in the dyeing tank 1, the dye can better contact the fiber and penetrate into the fabric, thereby improving the adsorption and penetration efficiency of the dye.

[0024] Furthermore, the driving mechanism includes a first spur gear 2, an incomplete gear 1 201, an incomplete gear 2 202, a first rotating motor 203, and a first synchronous pulley group 204 connecting the first conveyor roller 101 and the fifth conveyor roller 107. The first conveyor roller 101 is rotatably connected to the dyeing tank 1 through a first rotating shaft 205. The first spur gear 2 is arranged on the first rotating shaft 205 and is fixedly connected to the first rotating shaft 205. The side of the dyeing tank 1 is rotatably connected to the second rotating shaft 206, and the second rotating shaft 206 is arranged below the first rotating shaft 205. The incomplete gear 1 201 and the incomplete gear 2 202 are both fixedly connected to the first rotating shaft 205. The incomplete gear 1 201 meshes with the first spur gear 2. The output end of the rotating motor 203 is fixedly connected to the second rotating shaft 206, the gear teeth of the incomplete gear 1 201 are concentrated on the side of the incomplete gear 1 201 away from the first conveying roller 101, the gear teeth of the incomplete gear 2 202 are concentrated on the side of the incomplete gear 2 202 close to the first conveying roller 101, and the gear teeth of the incomplete gear 1 201 and the incomplete gear 2 202 are arranged opposite to each other (it should be noted that the specifications of the incomplete gear 1 201 and the incomplete gear 2 202 are the same, the difference is that the positions of the gear teeth are different, and when the front view projections of the incomplete gear 1 201 and the incomplete gear 2 202 overlap, they are equal to the front view projection of the first spur gear 2), and the moving mechanism is linked with the driving mechanism. Linking the moving mechanism with the driving mechanism can ensure that the fabric is synchronized with the conveying process in the dyeing tank 1, avoid stretching or twisting of the fabric due to asynchrony, and improve the dyeing quality. In addition, the moving mechanism does not require an additional drive source, which reduces the operating cost.

[0025] Further, the moving mechanism includes a second spur gear 3 (the second spur gear 3 has the same specifications as the first spur gear 2), a rotating disk 301, a swing rod 302, an arc gear 303, and a rack 304. The second spur gear 3 is rotatably connected to the side of the dyeing tank 1 through a third rotating shaft 305, and the second spur gear 3 is meshed with the incomplete gear 202. The rotating disk 301 is rotatably connected to the inside of the dyeing tank 1 through a fourth rotating shaft 403. One end of the fourth rotating shaft 403 extends to the outside of the dyeing tank 1 and is connected to the third rotating shaft 305 through a second synchronous pulley set. The swing rod 302 is rotatably connected to the inner wall of the dyeing tank 1 through a rotating shaft 311, a sliding groove 306 is provided on the side of the top of the swing rod 302 away from the rotating shaft 311, a sliding column 307 is provided on the rotating disk 301, the sliding column 307 is slidably connected to the inner wall of the sliding groove 306, an arc gear 303 is arranged at the bottom of the swing rod 302 (the two can be integrally formed), and accommodating blocks 308 are provided on the inner walls of both sides of the dyeing tank 1, and both sides of each accommodating block 308 are slidably connected with a moving block 309, and two adjacent moving blocks 309 are fixedly connected by a connecting frame 310, and both sides of the first dyeing roller 104 and the second dyeing roller 105 are respectively rotatably connected to the corresponding moving blocks 309, and the rack 304 is arranged on the top of the connecting frame 310, and the arc gear 303 is meshed with the rack 304.

[0026] When the staff starts the first rotating motor 203, the output end of the first rotating motor 203 will drive the second rotating shaft 206 to rotate counterclockwise, and the second rotating shaft 206 will then drive the incomplete gear 1 201 and the incomplete gear 2 202 to rotate synchronously. When the second rotating shaft 206 rotates half a circle counterclockwise, since the gear teeth of the incomplete gear 1 201 are set on the side away from the first conveying roller 101, the incomplete gear 1 201 will mesh with the first spur gear 2 and drive the first conveying roller 101 to rotate half a circle clockwise through the first rotating shaft 205. At the same time, the fifth conveying roller 107 will also rotate half a circle clockwise driven by the first synchronous pulley set 204, so that each conveying roller can jointly convey the knitted fabric.

[0027] When the second rotating shaft 206 rotates from half a circle to one circle, the gear teeth on the incomplete gear 2 202 will mesh with the first spur gear 2, and there are no gear teeth on the other side of the incomplete gear 1 201, so the incomplete gear 1 201 cannot drive the first spur gear 2 to rotate, making it impossible to transport the fabric. At the same time, the gear teeth on the incomplete gear 2 202 will drive the second spur gear 3 to rotate half a circle clockwise, thereby causing the third rotating shaft 305 to rotate half a circle clockwise. The third rotating shaft 305 drives the fourth rotating shaft 403 to rotate clockwise through the second synchronous pulley set, and the fourth rotating shaft 403 drives the rotating disk 301 to rotate clockwise. The rotating disk 301 causes the sliding column 307 to rotate synchronously, causing it to move in the sliding groove 306 of the swing rod 302, thereby causing the swing rod 302 to swing around the rotating shaft 311. At the same time, the arc gear 303 at the bottom of the swing rod 302 drives the rack 304 to move, thereby causing the two moving blocks 309 to move synchronously, and finally causing the first dyeing roller 104 and the second dyeing roller 105 to move in the dyeing tank 1, thereby improving the dyeing effect.

[0028] In order to reduce the resistance of the sliding column 307 in the sliding groove 306, the sliding column 307 is designed to have a cylindrical structure. The cylindrical sliding column 307 can reduce the contact area with the sliding groove 306, thereby reducing friction and further reducing the resistance during movement, making it move more smoothly.

[0029] Through the moving mechanism in this embodiment, the fabric can be immersed in the dye solution for a period of time between the first dyeing roller 104 and the second dyeing roller 105, so that the dye can penetrate deeper into the fiber and improve the dyeing effect. In addition, synchronizing the conveying and movement of the fabric can ensure seamless connection between the dyeing and conveying links, enhance the continuity of work, and improve overall production efficiency. Secondly, the first rotating motor 203 in this embodiment only needs to rotate continuously in one direction to complete the conveying and moving soaking of the fabric, without frequent starting and stopping or changing the rotation direction, thereby increasing the service life of the first rotating motor 203 and reducing maintenance costs.

[0030] In this embodiment, in order to prevent the movement of the moving block 309 from being offset or misaligned, a moving groove is provided inside each accommodating block 308, and the moving block 309 is slidably connected to the inner wall of the moving groove. The moving groove can play a guiding role, preventing the moving block 309 from being offset or misaligned during the movement process, thereby improving the stability of the movement of the moving block 309.

[0031] Since the first dyeing roller 104 and the second dyeing roller 105 are immersed in the dyeing liquid, the dyeing liquid may soak into the accommodating block 308, resulting in the possibility that the inside of the movable groove is filled with the dyeing liquid. When the movable block 309 moves under the drive of the rack 304, the internal dyeing liquid may cause a certain resistance to it. In order to reduce this resistance, a drainage port 312 can be provided on both sides of the accommodating block 308 and connected to the movable groove. When the movable block 309 moves under the drive of the rack 304, the side surface will squeeze the dyeing liquid in the movable groove, so that it is discharged through the drainage port 312, thereby reducing the resistance of the movable block 309 and improving the stability of its movement.

[0032] In this embodiment, the second synchronous pulley group includes a second synchronous pulley 1 4, a second synchronous pulley 2 401, and a connecting belt 402 for connecting the second synchronous pulley 1 4 and the second synchronous pulley 2 401. The second synchronous pulley 1 4 is arranged on the third rotating shaft 305 and is fixedly connected to the third rotating shaft 305. The second synchronous pulley 2 401 is arranged on the fourth rotating shaft 403 and is fixedly connected to the fourth rotating shaft 403. The diameter of the second synchronous pulley 1 4 is twice that of the second synchronous pulley 2 401. When the second synchronous pulley 1 4 rotates half a circle driven by the third rotating shaft 305, since the diameter of the second synchronous pulley 1 4 is twice that of the second synchronous pulley 2 401, the second synchronous pulley 1 4 will rotate one circle. This will cause the fourth rotating shaft 403 to rotate one circle, and then drive the rotating disk 301 and the sliding column 307 to rotate one circle, thereby increasing the swing amplitude of the swing rod 302, so that the rack 304 drives the moving block 309 to move back and forth, further improving the dyeing effect.

[0033] In this embodiment, a stirring mechanism is provided at the bottom of the dyeing tank 1, and the stirring mechanism includes a second rotary motor 5, a stirring rod 501, and a plurality of stirring blades 502 arranged on the stirring rod 501, the stirring rod 501 is rotatably connected to the inner wall of the dyeing tank 1, the second rotary motor 5 is arranged on the side of the dyeing tank 1, the output end of the second rotary motor 5 is fixedly connected to the stirring rod 501, and each stirring blade 502 is circumferentially arranged with the stirring rod 501 as the center.

[0034] When the fabric is being dyed, the staff can start the second rotary motor 5, and the output end of the second rotary motor 5 will drive the stirring rod 501 to rotate and drive the stirring blade 502 to rotate. The stirring blade 502 can evenly disperse the dye solution, so that the dye can better penetrate into the fabric, thereby improving the consistency of dyeing. Secondly, stirring can prevent the dye from precipitating, ensure that the dye solution always remains active, and further improve the dyeing quality. In addition, stirring can also accelerate the reaction between the dye and the fabric, shorten the dyeing time, and improve production efficiency.

[0035] Working principle: The knitted fabric is passed around the first conveying roller 101, the second conveying roller 102, the third conveying roller 103, the first dyeing roller 104, the second dyeing roller 105, the fourth conveying roller 106 and the fifth conveying roller 107 in sequence, and then the first rotating motor 203 is started, and the output end of the first rotating motor 203 drives the second rotating shaft 206 to rotate counterclockwise, and the second rotating shaft 206 then drives the incomplete gear 1 201 and the incomplete gear 2 202 to rotate synchronously. When the second rotating shaft 206 rotates half a circle counterclockwise, since the gear teeth of the incomplete gear 1 201 are set on the side away from the first conveying roller 101, the incomplete gear 1 201 will mesh with the first spur gear 2, and drive the first conveying roller 101 to rotate half a circle clockwise through the first rotating shaft 205. At the same time, the fifth conveying roller 107 will also rotate half a circle clockwise driven by the first synchronous belt pulley set 204, so that each conveying roller can jointly convey the knitted fabric.

[0036] When the second rotating shaft 206 rotates from half a circle to one circle, the gear teeth on the incomplete gear 2 202 will mesh with the first spur gear 2, and there are no gear teeth on the other side of the incomplete gear 1 201, so the incomplete gear 1 201 cannot drive the first spur gear 2 to rotate, making it impossible to transport the fabric. At the same time, the gear teeth on the incomplete gear 2 202 will drive the second spur gear 3 to rotate half a circle clockwise, thereby causing the third rotating shaft 305 to rotate half a circle clockwise. The third rotating shaft 305 will drive the second synchronous pulley 1 4 to rotate half a circle clockwise. Since the diameter of the second synchronous pulley 1 4 is twice that of the second synchronous pulley 2 401, the second synchronous pulley 1 4 will rotate one circle. This will cause the fourth rotating shaft 403 to rotate one circle, thereby driving the rotating disk 301 and the sliding column 307 to rotate one circle clockwise. The rotating disk 301 will cause the sliding column 307 to rotate synchronously, causing it to move in the sliding groove 306 of the swing rod 302, thereby causing the swing rod 302 to swing around the rotating shaft 311. At the same time, the arc gear 303 at the bottom of the swing rod 302 drives the rack 304 to move, thereby causing the two moving blocks 309 to move synchronously, and finally causing the first dyeing roller 104 and the second dyeing roller 105 to move back and forth in the dyeing tank 1, thereby improving the dyeing effect.

[0037] When the fabric is being dyed, the staff can start the second rotary motor 5. The output end of the second rotary motor 5 will drive the stirring rod 501 to rotate and drive the stirring blade 502 to rotate. The stirring blade 502 can evenly disperse the dye solution, so that the dye can better penetrate into the fabric, thereby further improving the consistency and effect of dyeing.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A process for preparing a knitted fabric, characterized in that: The production steps include: S1. Select natural fibers or synthetic fibers and spin them into yarns; S2, immersing the yarn in step 1 into dyeing solution for dyeing, and drying and shaping the yarn after dyeing; S3, knitting the dyed yarn into a knitted fabric through a circular knitting machine or a warp knitting machine; S4, dyeing the knitted fabric through a dyeing device, wherein the dyeing device is filled with a dye solution of the same specification as step 2; S5, rolling the dyed fabric, drying it at a temperature of 100°C-180°C, and heat-setting it at a high temperature of 180°C-220°C; S6, softening and anti-wrinkle treating the knitted fabric after heat setting; S7, performing quality inspection on the treated knitted fabric, and winding the knitted fabric after the inspection through a winding device; S8. After the preparation is completed, the rolled knitted fabric is stored in a dry and ventilated environment.

2. The process for preparing a knitted fabric according to claim 1, characterized in that: The dyeing device comprises a dyeing tank (1), wherein the dyeing tank (1) is provided with a first conveying roller (101), a second conveying roller (102), a third conveying roller (103), a first dyeing roller (104), a second dyeing roller (105), a fourth conveying roller (106) and a fifth conveying roller (107) which are rotatably connected to the dyeing tank (1) in sequence, wherein the first conveying roller (101), the second conveying roller (102), the third conveying roller (103), the fourth conveying roller (106) and the fifth conveying roller (107) are all arranged on the top of the dyeing tank (1), the first dyeing roller (104) and the second dyeing roller (105) are all arranged inside the dyeing tank (1), and the first dyeing roller (104) and the second dyeing roller (105) are at the same horizontal height, a moving mechanism for moving the first dyeing roller (104) and the second dyeing roller (105) is provided on the side of the dyeing tank (1), and a driving mechanism for driving the first conveying roller (101) and the fifth conveying roller (107) to rotate synchronously is provided on the side of the dyeing tank (1).

3. The process for preparing a knitted fabric according to claim 2, characterized in that: The driving mechanism comprises a first spur gear (2), an incomplete gear 1 (201), an incomplete gear 2 (202), a first rotating motor (203), and a first synchronous pulley set (204) connected to the first conveying roller (101) and the fifth conveying roller (107); the first conveying roller (101) is rotationally connected to the dyeing tank (1) via a first rotating shaft (205); the first spur gear (2) is arranged on the first rotating shaft (205) and is fixedly connected to the first rotating shaft (205); a second rotating shaft (206) is rotationally connected to the side of the dyeing tank (1), and the second rotating shaft (206) is arranged below the first rotating shaft (205); the incomplete gear 1 (20 1), the incomplete gear 2 (202) is fixedly connected to the first rotating shaft (205), the incomplete gear 1 (201) is meshed with the first spur gear (2), the output end of the first rotating motor (203) is fixedly connected to the second rotating shaft (206), the gear teeth of the incomplete gear 1 (201) are concentrated on the side of the incomplete gear 1 (201) away from the first conveying roller (101), the gear teeth of the incomplete gear 2 (202) are concentrated on the side of the incomplete gear 2 (202) close to the first conveying roller (101), and the gear teeth of the incomplete gear 1 (201) and the incomplete gear 2 (202) are arranged opposite to each other, and the moving mechanism is linked to the driving mechanism.

4. The process for preparing a knitted fabric according to claim 3, characterized in that: The moving mechanism comprises a second spur gear (3), a rotating disk (301), a swinging rod (302), an arc gear (303), and a rack (304); the second spur gear (3) is rotatably connected to the side of the dyeing tank (1) via a third rotating shaft (305), and the second spur gear (3) is meshed with the second incomplete gear (202); the rotating disk (301) is rotatably connected to the inside of the dyeing tank (1) via a fourth rotating shaft (403); one end of the fourth rotating shaft (403) extends to the outside of the dyeing tank (1) and is connected to the third rotating shaft (305) via a second synchronous belt pulley set; the swinging rod (302) is rotatably connected to the inner wall of the dyeing tank (1) via a rotating shaft (311); a side of the top of the swinging rod (302) away from the rotating shaft (311) is provided with The rotating disk (301) is provided with a sliding column (307), the sliding column (307) is slidably connected to the inner wall of the sliding groove (306), the arc gear (303) is arranged at the bottom of the swing rod (302), the inner walls on both sides of the dyeing tank (1) are provided with accommodating blocks (308), both sides of the interior of each accommodating block (308) are slidably connected with a moving block (309), and two adjacent moving blocks (309) are fixedly connected via a connecting frame (310), the first dyeing roller (104) and the second dyeing roller (105) are respectively rotatably connected to the corresponding moving blocks (309), the rack (304) is arranged on the top of the connecting frame (310), and the arc gear (303) is meshed with the rack (304).

5. The process for preparing a knitted fabric according to claim 4, characterized in that: Each of the accommodating blocks (308) is provided with a movable groove inside, the movable block (309) is slidably connected to the inner wall of the movable groove, and drainage ports (312) are provided on both sides of the accommodating block (308), and the drainage ports (312) are communicated with the movable groove.

6. The process for preparing a knitted fabric according to claim 5, characterized in that: The sliding column (307) has a cylindrical structure.

7. The process for preparing a knitted fabric according to claim 6, characterized in that: The second synchronous belt pulley set comprises a second synchronous belt pulley one (4), a second synchronous belt pulley two (401) and a connecting belt (402) for connecting the second synchronous belt pulley one (4) and the second synchronous belt pulley two (401); the second synchronous belt pulley one (4) is arranged on the third rotating shaft (305) and is fixedly connected to the third rotating shaft (305); the second synchronous belt pulley two (401) is arranged on the fourth rotating shaft (403) and is fixedly connected to the fourth rotating shaft (403); the diameter of the second synchronous belt pulley one (4) is twice that of the second synchronous belt pulley two (401).

8. The process for preparing a knitted fabric according to claim 7, characterized in that: A stirring mechanism is provided at the bottom of the dyeing tank (1), the stirring mechanism comprising a second rotating motor (5), a stirring rod (501), and a plurality of stirring blades (502) arranged on the stirring rod (501), the stirring rod (501) being rotatably connected to the inner wall of the dyeing tank (1), the second rotating motor (5) being arranged on the side of the dyeing tank (1), the output end of the second rotating motor (5) being fixedly connected to the stirring rod (501), and the stirring blades (502) being arranged in a circumferential direction with the stirring rod (501) as the center of a circle.

9. A knitted fabric, characterized in that: Prepared according to the preparation process described in any one of claims 1 to 8.

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