Dyeing device for sewing thread production

Abstract

The utility model discloses a kind of dyeing devices for sewing thread production, including supporting leg, the supporting leg is fixedly connected with dyeing kettle, the dyeing kettle is equipped with top cover, the bottom of the dyeing kettle is fixedly connected with discharge pipe, the upper portion of the dyeing kettle is fixedly connected with feed pipe, the top cover is rotatably connected with spline sleeve, the spline sleeve is spline-connected with connecting rod, the lower end of the connecting rod is fixedly connected with support plate, the support plate is rotatably connected with the column that is distributed in equidistance in circumference, the downside of the spline sleeve is fixedly connected with pressing plate, the connecting rod passes through the pressing plate. By motor drive spline sleeve, connecting rod and support plate, drive the column with wire roller circumferential revolution in dyeing solution. Meanwhile, under the cooperation of limiting block and rotating disc, roller design makes column can revolve around its own axis. This compound motion makes wire roller inner and outer layer sewing thread sufficient, dynamic contact dye, greatly improve the problem of traditional static soaking penetration uneven, significantly improve dyeing uniformity and dip dye efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of sewing thread dyeing devices, and more specifically, it relates to a dyeing device for sewing thread production. Background Technology

[0002] Knitted garments cannot function without sewing thread. From a raw material perspective, sewing thread can be categorized into three main types: natural fibers, synthetic fibers, and blended fibers. It's worth noting that with the continuous development of the polyester industry, sewing thread made from pure polyester fibers is becoming increasingly common.

[0003] Existing sewing machine threads require dyeing during the production process, but existing dyeing equipment has the following problems:

[0004] 1. In the critical step of dyeing sewing machine thread, tightly wound thread rollers need to be conveyed and discharged into a large dyeing kettle. Due to the dense structure of the thread rollers, the numerous layers of yarn wound together, and the small gaps, dye cannot quickly penetrate into the interior. To ensure that both the innermost and outermost layers of yarn on the thread rollers obtain a uniform and full color, they must be soaked for a considerable period of time, resulting in low dyeing efficiency for sewing machine thread.

[0005] 2. After the dyeing process is completed, a large amount of unfixed residual dye adheres to the surface of the thread roller and the gaps between the yarns, forming a viscous liquid layer. These valuable dyes are often directly washed away and discharged as waste liquid during subsequent rinsing or dehydration steps. This not only results in significant waste of dyes and chemicals and increases production costs, but also, if the residual dye is not thoroughly removed, it may affect subsequent processing.

[0006] 3. During the dyeing process of sewing machine thread being immersed in the dyeing kettle, in order to prevent the thread rollers from shifting, tumbling, or even tangling under the impact of the circulating dye solution, it is usually necessary to use special fixing clamps to position and clamp each of the numerous thread rollers individually. Currently, this fixing operation mainly relies on manual labor. This repetitive and heavy physical labor is not only inefficient, but also significantly increases the workload of workers.

[0007] Therefore, there is an urgent need for a dyeing device for sewing thread production. Utility Model Content

[0008] (a) Technical problems to be solved

[0009] In view of the problems existing in the prior art, the present invention provides a dyeing device for sewing thread production to solve the technical problems mentioned in the background art.

[0010] (II) Technical Solution

[0011] To achieve the above objectives, this utility model provides the following technical solution: a dyeing device for sewing thread production, comprising a support leg, a dyeing kettle fixedly connected to the support leg, a top cover installed on the dyeing kettle, a discharge pipe fixedly connected to the bottom of the dyeing kettle, a feed pipe fixedly connected to the upper part of the dyeing kettle, a spline sleeve rotatably connected to the top cover, a connecting rod connected to the spline sleeve via a spline, a support plate fixedly connected to the lower end of the connecting rod, columns rotatably connected to the support plate at circumferentially equal intervals, a pressure plate fixedly connected to the lower side of the spline sleeve, the connecting rod penetrating the pressure plate, the pressure plate having circumferentially equal intervals of through holes, the columns penetrating the through holes of the pressure plate, and a driving structure provided on the support plate.

[0012] The present invention is further configured such that a connecting shaft is fixedly connected to the upper side of the spline sleeve, the connecting shaft is rotatably connected to a connecting frame, and the connecting frame is fixedly connected to a hanger.

[0013] The present invention is further configured such that a motor is fixedly connected to the hanger, the output shaft of the motor is fixedly connected to the connecting shaft, and a lifting ring is fixedly connected to the hanger.

[0014] The present invention is further configured such that a spring abuts against the pressure plate and the top cover.

[0015] The present invention is further configured such that the top cover is fixedly connected to two fixing rods, the fixing rods passing through the adjacent connecting frame.

[0016] The present invention is further configured such that a limiting post is fixedly connected to the bottom of the dyeing kettle, and a limiting hole is provided at the lower end of the connecting rod, and the limiting post is inserted into the limiting hole of the connecting rod.

[0017] The present invention is further configured such that the driving structure includes a rotating disk, the rotating disk 19 is rotatably connected to the lower side of the support plate, a guide through hole is provided in the middle of the rotating disk, the support plate is rotatably connected to circumferentially spaced rollers, the rollers are fixedly connected to the adjacent column, and the rollers abut against the rotating disk.

[0018] The present invention is further configured such that the limiting post is fixedly connected to the limiting block, and the lower side of the rotating disk is provided with a limiting hole, wherein the limiting block and the limiting hole of the rotating disk are in a limiting fit.

[0019] (III) Beneficial Effects

[0020] Compared with the prior art, the present invention provides a dyeing device for sewing thread production, which has the following beneficial effects:

[0021] 1. This utility model uses a motor to drive a spline sleeve, connecting rod, and support plate, causing a column fitted with a thread roller to rotate circumferentially in the dye bath. Simultaneously, with the cooperation of a limiting block and a rotating disk, the roller design allows the column to rotate around its own axis. This combined motion ensures that the inner and outer layers of the thread roller fully and dynamically contact the dye, greatly improving the problem of uneven penetration in traditional static immersion and significantly enhancing dyeing uniformity and immersion efficiency.

[0022] 2. This utility model utilizes a lifting mechanism and spring pressure plate design to achieve rapid loading and unloading of the wire rollers. During loading, the support structure is lifted, and the wire rollers are easily inserted; after being placed in the dyeing kettle, the pressure plate automatically presses down under gravity and spring force, simultaneously and firmly pressing multiple wire rollers onto the column. This process eliminates the need for tedious manual fixing of each roller individually, achieving a high degree of automation and significantly reducing the labor intensity and clamping time for workers.

[0023] 3. This invention drives the support plate and rollers to rotate at high speed by increasing the motor speed, and uses the resulting centrifugal force to efficiently remove excess dye adhering to the rollers. The removed dye is recovered through the discharge pipe at the bottom of the dyeing kettle and can be reused, significantly reducing the dye waste caused by traditional rinsing and discarding, and avoiding interference from residual dye to subsequent drying processes, making it more economical and environmentally friendly. Attached Figure Description

[0024] Figure 1 This is a front view of a dyeing device for sewing thread production according to the present invention.

[0025] Figure 2 This is a cross-sectional view of the dyeing vessel and top cover in this utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the hanger and motor in this utility model;

[0027] Figure 4 This is a schematic diagram of the connecting rod and support plate in this utility model;

[0028] Figure 5 This is a bottom view of the rotating disk and rollers in this utility model.

[0029] Figure 6 This is a cross-sectional view of the support plate and rotating disk in this utility model.

[0030] Figure 7 This is a schematic diagram of the structure of the limiting post and the limiting block in this utility model.

[0031] In the diagram: 1. Support leg; 2. Dyeing kettle; 3. Top cover; 4. Discharge pipe; 5. Feed pipe; 6. Spline sleeve; 7. Connecting rod; 8. Support plate; 9. Column; 10. Pressure plate; 11. Connecting shaft; 12. Connecting frame; 13. Hanger; 14. Motor; 15. Lifting ring; 16. Spring; 17. Fixing rod; 18. Limiting post; 19. Rotating disc; 20. Roller; 21. Limiting block. Detailed Implementation

[0032] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0034] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0035] Please see Figures 1-7 A dyeing device for sewing thread production includes a support leg 1, a dyeing kettle 2 fixedly connected to the support leg 1, a top cover 3 installed on the dyeing kettle 2, a discharge pipe 4 fixedly connected to the bottom of the dyeing kettle 2, a feed pipe 5 fixedly connected to the upper part of the dyeing kettle 2, a spline sleeve 6 rotatably connected to the top cover 3, a connecting rod 7 splined inside the spline sleeve 6, a support plate 8 fixedly connected to the lower end of the connecting rod 7, a support plate 8 rotatably connected to circumferentially evenly spaced columns 9, a pressure plate 10 fixedly connected to the lower side of the spline sleeve 6, the connecting rod 7 passing through the pressure plate 10, the pressure plate 10 having circumferentially evenly spaced through holes, and the columns 9 passing through the through holes of the pressure plate 10. The support plate 8 is equipped with a drive structure; a connecting shaft 11 is fixedly connected to the upper side of the spline sleeve 6, and a connecting frame 12 is rotatably connected to the connecting shaft 11. A hanger 13 is fixedly connected to the connecting frame 12; a motor 14 is fixedly connected to the hanger 13, and the output shaft of the motor 14 is fixedly connected to the connecting shaft 11. A lifting ring 15 is fixedly connected to the hanger 13; a spring 16 abuts between the pressure plate 10 and the top cover 3; two fixing rods 17 are fixedly connected to the top cover 3, and the fixing rods 17 pass through the adjacent connecting frames 12; a limiting post 18 is fixedly connected to the bottom of the dyeing kettle 2, and a limiting hole is provided at the lower end of the connecting rod 7. The limiting post 18 is inserted into the limiting hole of the connecting rod 7.

[0036] Please see Figures 5-7The driving structure includes a rotating disk 19, which is rotatably connected to the lower side of the support plate 8. A guide through hole is provided in the middle of the rotating disk 19. The support plate 8 is rotatably connected to rollers 20 with equal circumferential spacing. The rollers 20 are fixedly connected to the adjacent column 9 and abut against the rotating disk 19. A limiting post 18 is fixedly connected to a limiting block 21. A limiting hole is provided on the lower side of the rotating disk 19. The limiting block 21 and the limiting hole of the rotating disk 19 are matched for limiting.

[0037] The working principle of this utility model is as follows: The lifting device hooks the lifting ring 15 and pulls the lifting ring 15 upward. The lifting ring 15 drives the connecting frame 12 to move upward through the hanging frame 13. The connecting frame 12 drives the spline sleeve 6 to move upward through the connecting shaft 11. The spline sleeve 6 drives the salt pressure plate 10 to move upward. The pressure plate 10 and the column 9 lose their engagement and gradually move away from each other. The spring 16 is also compressed. When the spring 16 is compressed to its limit, the spring 16 supports the top cover 3 to move upward. The top cover 3 loses its engagement with the dyeing kettle 2. At the same time, the pressure plate 10 limits the spline on the connecting rod 7. The pressure plate 10 drags the connecting rod 7 to move synchronously. The connecting rod 7 drives the support plate 8 and the column 9 on it to move upward until the support plate 8 and the column 9 are taken out of the dyeing kettle 2. Then, a roller-shaped sewing machine thread is put on the column 9.

[0038] After the support plate 8 is removed from the dyeing kettle 2, dye is added to the dyeing kettle 2 through the feed pipe 5. After the sewing machine thread is installed, the above operation is repeated to re-hoist the support plate 8 into the dyeing kettle 2. When the support plate 8 contacts the dye liquid surface, the motor 14 is started. The output shaft of the motor 14 drives the spline sleeve 6 to rotate through the connecting shaft 11. The spline sleeve 6 drives the support plate 8 to rotate circumferentially through the connecting rod 7. The column 9 drives the sewing machine thread to rotate. During the downward movement of the support plate 8, the limiting post 18 is inserted into the guide hole of the rotating disk 19 and the limiting hole of the connecting rod 7, and the limiting block 21 is also inserted into the limiting hole of the connecting rod 7. Inserted into the limiting hole of the rotating disk 19, the lower end of the connecting rod 7 is fixed by the fiber column, thus making the rotation of the connecting rod more stable. As the hanger 13 moves downward, the spline sleeve 6 moves downward along the connecting rod 7, and the column 9 is re-inserted into the through hole of the pressure plate 10. Under the action of the gravity of the pressure plate 10 and the elastic force of the spring 16, the pressure plate 10 fixes the sewing machine thread roller, improving the stability of the sewing machine thread roller on the column 9. The top cover 3 contacts the dyeing kettle 2, which has a heating and heat preservation function, thereby heating the dye inside and ensuring the dyeing efficiency of the sewing machine thread.

[0039] After the top cover 3 comes into contact with the dyeing kettle 2, the top cover 3 and the dyeing kettle 2 are fixed with bolts (the fixing method of the top cover 3 and the dyeing kettle 2 depends on the actual situation). On the drive frame of the motor 14, the sewing machine thread rotates circumferentially in the dyeing kettle 2, and the dye impacts the sewing machine thread, thereby making the sewing machine thread come into uniform contact with the dye.

[0040] During the circumferential rotation of the support plate 8, the limiting block 21 limits the rotation disk 19, the support plate 8 drives the roller 20 to rotate circumferentially, the roller 20 rotates around the rotation disk 19, thereby causing the column 9 to rotate around the support plate 8, further improving the dyeing effect and efficiency of the sewing machine thread.

[0041] After dyeing is completed, the dye is discharged through the discharge pipe. Then, the rotation speed of the output shaft of motor 14 is increased, which causes the support plate 8 to drive the thread roller to rotate circumferentially. The excess dye on the thread roller is cleaned by centrifugal force, and the cleaned dye is discharged from the discharge pipe for subsequent use. After the above operation is completed, motor 14 is turned off, and the above steps are repeated to remove the support plate 8 and the sewing machine thread roller on it from the dyeing kettle 2, and remove the dyed sewing machine thread roller from the column 9.

[0042] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A dyeing apparatus for sewing thread production comprising a supporting leg (1), characterized in that: The support leg (1) is fixedly connected to the dyeing kettle (2), the dyeing kettle (2) is equipped with a top cover (3), the bottom of the dyeing kettle (2) is fixedly connected to the discharge pipe (4), the upper part of the dyeing kettle (2) is fixedly connected to the feed pipe (5), the top cover (3) is rotatably connected to the spline sleeve (6), the spline sleeve (6) is connected to the connecting rod (7) by the spline, the lower end of the connecting rod (7) is fixedly connected to the support plate (8), the support plate (8) is rotatably connected to the columns (9) distributed circumferentially, the lower side of the spline sleeve (6) is fixedly connected to the pressure plate (10), the connecting rod (7) passes through the pressure plate (10), the pressure plate (10) is provided with circumferentially spaced through holes, the columns (9) pass through the through holes of the pressure plate (10), and the support plate (8) is provided with a driving structure.

2. The dyeing apparatus for sewing thread production according to claim 1, characterized in that: A connecting shaft (11) is fixedly connected to the upper side of the spline sleeve (6), and a connecting frame (12) is rotatably connected to the connecting shaft (11). A hanger (13) is fixedly connected to the connecting frame (12).

3. The dyeing apparatus for sewing thread production according to claim 2, characterized in that: The hanger (13) is fixedly connected to a motor (14), the output shaft of the motor (14) is fixedly connected to a connecting shaft (11), and the hanger (13) is fixedly connected to a lifting ring (15).

4. The dyeing apparatus for sewing thread production according to claim 3, characterized in that: A spring (16) abuts against the pressure plate (10) and the top cover (3).

5. The dyeing apparatus for sewing thread production according to claim 4, characterized in that: The top cover (3) is fixedly connected to two fixing rods (17), which pass through the adjacent connecting frame (12).

6. The dyeing apparatus for sewing thread production according to claim 5, characterized in that: The bottom of the dyeing vessel (2) is fixedly connected to a limiting post (18), and the lower end of the connecting rod (7) is provided with a limiting hole. The limiting post (18) is inserted into the limiting hole of the connecting rod (7).

7. The device for dyeing sewing thread according to claim 6, characterized in that: The driving structure includes a rotating disk (19), which is rotatably connected to the lower side of the support plate (8). A guide through hole is provided in the middle of the rotating disk (19). The support plate (8) is rotatably connected to rollers (20) with equal circumferential spacing. The rollers (20) are fixedly connected to the adjacent column (9) and abut against the rotating disk (19).

8. The dyeing apparatus for sewing thread production according to claim 7, characterized in that: The limiting post (18) is fixedly connected to the limiting block (21), and the lower side of the rotating disk (19) is provided with a limiting hole. The limiting block (21) and the limiting hole of the rotating disk (19) are in a limiting fit.

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