Dyeing device for blended fabric

By designing auxiliary frames, extrusion rods, limiting components and other structures in the dyeing device for blended textiles, precise control of fabric residence time is achieved, and the problems of color unevenness and fabric damage in the prior art are solved through a special stirring structure, and dyeing efficiency and product quality are improved.

CN223033662UActive Publication Date: 2025-06-27SHAOXING COUNTY KWONG FUNG PRINTING & DYEING
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Patent Information

Application Number
CN202422159254.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-27
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The existing dyeing device for blended textiles is difficult to accurately control the residence time of the fabric in the dyeing cylinder, resulting in uneven color and affecting product quality. At the same time, the mixing rod is prone to damage to the fabric and it is difficult to remove manually.

Method used

A dyeing device for blended textiles is designed. By setting up auxiliary frames, extrusion rods, slide grooves, racks, gears and limiting components, the precise control of the residence time of the fabric in the dyeing cylinder is achieved. Through the elliptical grooves, slide rods, ring gears, gears and stirring rods, the full mixing of the dyeing liquid and uniform dyeing of the fabric are achieved.

Benefits of technology

Accurate control of the dyeing process is achieved, ensuring uniform color depth is consistent, avoiding fabric damage, simplifying manual operation and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of dyeing devices, and discloses a dyeing device for blended fabrics, which comprises a cylinder body, the inner wall of the cylinder body is rotatably connected with a guide rod, a fabric raw material is wound on the top of the outer wall of the guide rod, the top end of the inner wall of the cylinder body is provided with an auxiliary groove, and the inner wall of the auxiliary groove is slidably connected with an auxiliary block. The end of the outer wall of the auxiliary block is fixedly connected with an auxiliary frame, and the inner wall of the auxiliary frame penetrates through and is fixedly connected with an extrusion rod. According to the utility model, by arranging the auxiliary frame, the extrusion rod, the sliding chute, the racks, the gear I, the rotating shaft and the limiting assembly, when the retention time of the blended fabric in the dyeing cylinder is adjusted, the limiting frame is manually pulled to drive the limiting block to relieve limiting, and then the rotating shaft is rotated to drive the two groups of racks to contract inwards or expand outwards; the two sets of extrusion rods are driven by the rack to contract inwards or expand outwards, the standing time of the blended fabric in the dyeing cylinder is adjusted, and the dyeing process is accurately controlled.
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Description

Technical Field

[0001] The utility model relates to the field of dyeing devices, in particular to a dyeing device for blended fabrics. Background Art

[0002] A blended fabric is a fabric spun by mixing two or more different fibers in a certain proportion. This fabric combines the advantages of multiple fibers, such as the moisture absorption and breathability of cotton, the wear resistance and wrinkle resistance of polyester, and the warmth retention of wool. Therefore, it is widely used in multiple fields such as clothing, home, and industry. However, the diversity of blended fabrics also poses higher requirements for their dyeing processes. Different fibers have significant differences in dye affinity, dyeing rate, and color fastness. How to achieve a uniform and consistent depth of dyeing effect has become a major challenge for blended fabric dyeing technology.

[0003] Existing dyeing devices for blended fabrics usually adopt the method of stacking and soaking. By filling the dyeing cylinder with dyeing liquid and then placing the blended fabric raw materials in it for soaking and dyeing, and then taking them out manually or with external tools. There are also some dyeing devices for blended fabrics that adopt a drum type. The stirring rod is driven by a motor to rotate in the cylindrical cylinder, and the blended fabric and the dyeing liquid are repeatedly impacted and mixed, and then taken out manually.

[0004] On the one hand, due to the differences in the dyeing properties of each fiber in the blended fabric, the traditional method of large-scale stacking and soaking is difficult to accurately control the soaking and dyeing time of the blended fabric, resulting in uneven colors on the fabric surface and affecting product quality. On the other hand, the mixed dyeing of the stirring rod easily entangles the blended fabric on the stirring rod, resulting in damage to the blended fabric and difficulty in manual removal. For this reason, a dyeing device for blended fabrics is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a dyeing device for blended fabrics, aiming to improve the problem that it is difficult to accurately control the soaking and dyeing time of blended fabrics in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: A dyeing device for blended fabrics, including a cylinder body, a guiding rod is rotatably connected to the inner wall of the cylinder body, a fabric raw material is wound around the outer wall of the top of the guiding rod, an auxiliary groove is opened at the top end of the inner wall of the cylinder body, an auxiliary block is slidably connected to the inner wall of the auxiliary groove, an auxiliary frame is fixedly connected to the end of the outer wall of the auxiliary block, a pressing rod is fixedly connected through and to the inner wall of the auxiliary frame, a rack is fixedly connected to the end of the outer wall of the auxiliary frame, a limiting component is arranged on the inner wall of the top of the cylinder body, auxiliary rods are rotatably connected to both sides of the top of the outer wall of the cylinder body, a sliding groove is opened at the top end of the inner wall of the cylinder body, and a motor I is fixedly connected to the top end of the outer wall of the cylinder body, and a transmission rod is fixedly connected to the output shaft of the motor I.

[0007] As a further description of the above technical solution:

[0008] An elliptical groove is provided on the side of the inner wall of the cylinder body. A second motor is fixedly connected to the side of the outer wall of the cylinder body. The output shaft of the second motor is fixedly connected to a transmission shaft. A second gear is fixedly connected to the outer wall of the transmission shaft. The inner side of the outer wall of the second gear is engaged with a ring gear frame. The top end of the inner side of the outer wall of the ring gear frame is fixedly connected to a sliding rod. The outer side of the outer wall of the ring gear frame is fixedly connected to a stirring rod.

[0009] As a further description of the above technical solution:

[0010] The limiting component includes a first gear. The outer side of the outer wall of the first gear is engaged with the inner side of the outer wall of a rack. The center of the inner wall of the first gear is fixedly connected to a rotating shaft. A directional block is fixedly connected to the outer wall of the rotating shaft. The outer wall of the rotating shaft is elastically connected to a limiting frame through a limiting spring. A directional groove is provided in the inner wall of the limiting frame. A limiting block is fixedly connected to the end of the outer wall of the limiting frame. A limiting groove is provided in the outer wall of the cylinder body.

[0011] As a further description of the above technical solution:

[0012] The fabric raw material is wound around the bottom of the outer wall of the extrusion rod. The end of the outer wall of the auxiliary frame is slidably connected to the inner wall of the cylinder body. The end of the outer wall of the extrusion rod is slidably connected to the inner wall of the cylinder body.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the rack on the side close to the auxiliary frame is slidably connected to the inner wall of a sliding groove. The outer wall of the rack is slidably connected to the top inner wall of the cylinder body. The end of the outer wall of the transmission rod is rotatably connected to the inner wall of the cylinder body. The output shaft of the first motor penetrates and is slidably connected to the top inner wall of the cylinder body.

[0015] As a further description of the above technical solution:

[0016] The output shaft of the second motor penetrates and is slidably connected to the inner wall of the cylinder body. The end of the outer wall of the transmission shaft is rotatably connected to the inner wall of the cylinder body. The inner side of the outer wall of the ring gear frame is slidably connected to the inner wall of the cylinder body. The outer wall of the sliding rod is slidably connected to the inner wall of the elliptical groove.

[0017] As a further description of the above technical solution:

[0018] One end of the limiting spring is fixedly connected to the end of the outer wall of the rotating shaft, and the other end of the limiting spring is fixedly connected to the top of the inner wall of the limiting frame.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the orientation block is slidably connected to the inner wall of the orientation groove. The outer wall end of the first gear is slidably connected to the top inner wall of the cylinder block. The inner wall of the limit frame is slidably connected to the outer wall of the rotating shaft. The bottom of the outer wall of the limit block is slidably connected to the outer wall of the rotating shaft. The end of the outer wall of the limit block is clamped to the inner wall of the limit groove. The outer wall of the rotating shaft is slidably connected to the top inner wall of the cylinder block.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by arranging the auxiliary frame, the extrusion rod, the sliding groove, the rack, the first gear, the rotating shaft and the limiting component, when adjusting the residence time of the blended fabric in the dyeing cylinder, the limit is released by manually pulling the limit frame to drive the limit block, and then the rotating shaft is rotated to drive the two racks to contract inward or expand outward. The two extrusion rods are driven to contract inward or expand outward by the rack, so as to adjust the residence time of the blended fabric in the dyeing cylinder and accurately control the dyeing process.

[0023] 2. In the utility model, by arranging the elliptical groove, the sliding rod, the ring gear frame, the second gear, the transmission shaft, the stirring rod and the second motor, when stirring the dyeing liquid, the second motor is started to drive the second gear to rotate. The sliding rod at the top of the ring gear frame is driven to slide along the elliptical groove by the second gear to form a figure-eight movement. Then, the two stirring rods move repeatedly to achieve the effect of full mixing, and at the same time, the dyeing liquid is driven to repeatedly impact the blended fabric raw material to promote the penetration of the dyeing liquid into the blended fabric. Description of the Drawings

[0024] Figure 1 It is an overall three-dimensional schematic diagram of a dyeing device for blended fabrics proposed by the utility model;

[0025] Figure 2 It is a three-dimensional schematic diagram of the auxiliary frame of a dyeing device for blended fabrics proposed by the utility model;

[0026] Figure 3 It is a three-dimensional schematic diagram of the extrusion rod of a dyeing device for blended fabrics proposed by the utility model;

[0027] Figure 4 It is a three-dimensional sectional view schematic diagram of the cylinder block of a dyeing device for blended fabrics proposed by the utility model;

[0028] Figure 5 It is a Figure 3 magnified three-dimensional schematic diagram of part A in a dyeing device for blended fabrics proposed by the utility model;

[0029] Figure 6 It is a three-dimensional schematic diagram of the rack of a dyeing device for blended fabrics proposed by the utility model;

[0030] Figure 7For a dyeing device for blended fabrics proposed by the present utility model Figure 6 Enlarged three-dimensional schematic diagram of part B in it.

[0031] Legend description:

[0032] 1. Cylinder body; 2. Guide rod; 3. Fabric raw material; 4. Auxiliary groove; 5. Auxiliary block; 6. Auxiliary frame; 7. Extrusion rod; 8. Auxiliary rod; 9. Slide groove; 10. Motor 1; 11. Transmission rod; 12. Rack; 13. Gear 1; 14. Rotating shaft; 15. Orientation block; 16. Limit spring; 17. Limit frame; 18. Orientation groove; 19. Limit block; 20. Limit groove; 21. Oval groove; 22. Slide rod; 23. Ring gear frame; 24. Gear 2; 25. Transmission shaft; 26. Stirring rod; 27. Motor 2. Specific implementation manner

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: A dyeing device for blended fabrics includes a cylinder body 1. The inner wall of the cylinder body 1 is rotatably connected with a guide rod 2. There are two groups of guide rods 2, which are respectively located on both sides of the top of the inner wall of the cylinder body 1 and are used to provide a guiding and combing effect for the fabric raw material 3. The fabric raw material 3 is wound around the top of the outer wall of the guide rod 2. An auxiliary groove 4 is opened at the top of the inner wall of the cylinder body 1. An auxiliary block 5 is slidably connected to the inner wall of the auxiliary groove 4. The auxiliary groove 4 and the auxiliary block 5 are used to clamp and keep the auxiliary frame 6 moving horizontally, preventing one end of the auxiliary frame 6 from tilting under force and damaging the fabric raw material 3. The end of the outer wall of the auxiliary block 5 is fixedly connected with an auxiliary frame 6. The auxiliary frame 6 is provided with a rectangular hollow for providing a more stable horizontal support for the extrusion rod 7 and preventing the extrusion rod 7 from breaking under force.

[0035] Referring to Figures 2 - 3 , an extrusion rod 7 is penetrated and fixedly connected to the inner wall of the auxiliary frame 6. The bottom of the extrusion rod 7 is provided with a slide rod in contact with the fabric raw material 3 and is used to adjust the residence time of the fabric raw material 3 in the cylinder body 1 by changing the distance through the limit component. The end of the outer wall of the auxiliary frame 6 is fixedly connected with a rack 12. There are two groups of racks 12, which are respectively fixedly connected to the top and bottom of the end of the outer wall of the two groups of auxiliary frames 6 and are engaged with the top and bottom of the gear 1 13 for simultaneously driving the two extrusion rods 7 to move through the gear 1 13. A limit component is provided on the inner wall of the top of the cylinder body 1.

[0036] Referring toFigures 1 - 3 On both sides of the top of the outer wall of the cylinder block 1, there are two groups of auxiliary rods 8 rotatably connected. The two groups of auxiliary rods 8 are respectively fixedly connected to both sides of the top of the outer wall of the cylinder block 1 and are used for guiding the feeding and discharging, so as to avoid damaging the fabric raw material 3 by rubbing against the cylinder block 1. A chute 9 is opened at the top end of the inner wall of the cylinder block 1. The chute 9 is used to provide lateral support for the rack 12 and the auxiliary frame 6 and keep the rack 12 and the auxiliary frame 6 moving laterally. A motor 10 is fixedly connected to the top end of the outer wall of the cylinder block 1. The motor 10 is a prior art and will not be described in detail. It is used to drive the transmission rod 11 to drive the fabric raw material 3 to discharge. The output shaft of the motor 10 is fixedly connected to the transmission rod 11. A narrow gap is formed between the transmission rod 11 and the guide rod 2, which is used to extrude the fabric raw material 3 before discharging to extrude the excess dye. The fabric raw material 3 is wound around the bottom of the outer wall of the extrusion rod 7. The end of the outer wall of the auxiliary frame 6 is slidably connected to the inner wall of the cylinder block 1. The end of the outer wall of the extrusion rod 7 is slidably connected to the inner wall of the cylinder block 1. The outer wall of the rack 12 close to the auxiliary frame 6 is slidably connected to the inner wall of the chute 9. The outer wall of the rack 12 is slidably connected to the top inner wall of the cylinder block 1. The end of the outer wall of the transmission rod 11 is rotatably connected to the inner wall of the cylinder block 1. The output shaft of the motor 10 passes through and is slidably connected to the top inner wall of the cylinder block 1.

[0037] Refer to Figures 3 - 5 On the side of the inner wall of the cylinder block 1, an elliptical groove 21 is opened. The elliptical groove 21 is used to stabilize the circular tooth frame 23 to perform an elliptical reciprocating motion to prevent it from falling off due to force. A motor 27 is fixedly connected to the side of the outer wall of the cylinder block 1. The motor 27 is a prior art and will not be described in detail. It is used to drive the transmission shaft 25 and the gear 24 to drive the two groups of circular tooth frames 23 to move simultaneously. The output shaft of the motor 27 is fixedly connected to the transmission shaft 25. The transmission shaft 25 is used to connect the two groups of gears 24 to drive the two groups of circular tooth frames 23. The outer wall of the transmission shaft 25 is fixedly connected to the gear 24. The inner side of the outer wall of the gear 24 is meshed with the circular tooth frame 23. The circular tooth frame 23 is provided with inner circular teeth, which are used to mesh with the gear 24 to drive the stirring rod 26 on the outer wall to stir the dyeing liquid. The top end of the inner side of the outer wall of the circular tooth frame 23 is fixedly connected to the sliding rod 22. The sliding rod 22 is used to stabilize the circular tooth frame 23 to slide along the elliptical groove 21 to form a fixed stirring path. The outer side of the outer wall of the circular tooth frame 23 is fixedly connected to the stirring rod 26. There are two groups of stirring rods 26, which are located at the upper and lower ends of the outer side of the circular tooth frame 23 and are used to stir the dyeing liquid to repeatedly impact the fabric raw material 3. The output shaft of the motor 27 passes through and is slidably connected to the inner wall of the cylinder block 1. The end of the outer wall of the transmission shaft 25 is rotatably connected to the inner wall of the cylinder block 1. The inner side of the outer wall of the circular tooth frame 23 is slidably connected to the inner wall of the cylinder block 1. The outer wall of the sliding rod 22 is slidably connected to the inner wall of the elliptical groove 21.

[0038] Refer to Figures 6 - 7, the limiting component includes a first gear 13. The outer wall of the first gear 13 is meshed with the inner wall of the rack 12. At the center of the inner wall of the first gear 13, a rotating shaft 14 is fixedly connected. The rotating shaft 14 is used to drive the first gear 13 to rotate, causing the rack 12 to contract inward or expand outward. A directional block 15 is fixedly connected to the outer wall of the rotating shaft 14. The directional block 15 is used to engage with the directional groove 18 to keep the rotating shaft 14 rotating with the limiting frame 17 and to keep the limiting frame 17 moving horizontally. The outer wall of the rotating shaft 14 is elastically connected to the limiting frame 17 through a limiting spring 16. A rocker is provided at the outer end of the limiting frame 17 for easy manual use. A directional groove 18 is provided on the inner wall of the limiting frame 17. At the end of the outer wall of the limiting frame 17, a limiting block 19 is fixedly connected. There are two sets of upper and lower limiting blocks 19, which are used to engage with the limiting groove 20 to fix the rotation distance of the first gear 13. A limiting groove 20 is provided on the outer wall of the cylinder body 1. There are several sets of limiting grooves 20, which are used to fix the angle of the first gear 13 at multiple positions, achieving the effect of fixing the distance between the extrusion rods 7. One end of the limiting spring 16 is fixedly connected to the outer wall end of the rotating shaft 14, and the other end of the limiting spring 16 is fixedly connected to the top inner wall of the limiting frame 17. Through the opposing extrusion force between the limiting spring 16 and the rotating shaft 14, the limiting block 19 always remains engaged with the inner wall of the limiting groove 20 without being affected by external forces. The outer wall of the directional block 15 is slidably connected to the inner wall of the directional groove 18. The outer wall end of the first gear 13 is slidably connected to the top inner wall of the cylinder body 1. The inner wall of the limiting frame 17 is slidably connected to the outer wall of the rotating shaft 14. The bottom of the outer wall of the limiting block 19 is slidably connected to the outer wall of the rotating shaft 14. The end of the outer wall of the limiting block 19 is engaged with the inner wall of the limiting groove 20. The outer wall of the rotating shaft 14 is slidably connected to the top inner wall of the cylinder body 1.

[0039] Working principle: When adjusting the residence time of the fabric raw material 3 in the cylinder body 1, manually pull the rocker outside the limiting frame 17 to drive the limiting block 19 to disengage from the limiting groove 20 to release the limit. Then rotate the limiting frame 17 to drive the rotating shaft 14 to rotate. Drive the first gear 13 to rotate through the rotating shaft 14, and then drive the two racks 12 to contract inward or expand outward through the first gear 13. Then drive the two auxiliary frames 6 to contract inward or expand outward through the racks 12, and drive the extrusion rods 7 to contract inward or expand outward through the auxiliary frames 6, thereby changing the unfolded area of the fabric raw material 3 in the cylinder body 1, achieving the adjustment of the residence time of the fabric raw material 3 in the cylinder body 1, and realizing the precise control of the automated dyeing process.

[0040] When stirring the dyeing liquid in the cylinder block 1, the fabric raw material 3 is wound around the top of the guiding rod 2 along the top of the auxiliary rod 8, then wound around the bottom of the extrusion rod 7, and then the motor 1 drives the transmission rod 11 to drive the fabric raw material 3 to perform automatic dyeing work. At the same time, the motor 27 is turned on to drive the gear 24 to rotate. The sliding rod 22 at the top of the outer wall of the ring gear frame 23 is driven by the gear 24 to perform a figure-eight motion along the elliptical groove 21, and then the two groups of stirring rods 26 are driven by the ring gear frame 23 to repeatedly perform a figure-eight motion, achieving the effect of fully mixing the dyeing liquid. At the same time, the dyeing liquid is driven to repeatedly impact the fabric raw material 3, achieving the effect of promoting the penetration of the dyeing liquid into the fabric raw material 3.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dyeing device for blended fabrics, comprising a cylinder (1), characterized in that: The inner wall of the cylinder body (1) is rotatably connected to a guide rod (2), the outer wall top of the guide rod (2) is wound with a fabric material (3), the inner wall top of the cylinder body (1) is provided with an auxiliary groove (4), the inner wall of the auxiliary groove (4) is slidably connected to an auxiliary block (5), the outer wall end of the auxiliary block (5) is fixedly connected to an auxiliary frame (6), the inner wall of the auxiliary frame (6) penetrates and is fixedly connected to an extrusion rod (7), the outer wall end of the auxiliary frame (6) is fixedly connected to a rack (12), a limit assembly is provided on the inner wall of the top of the cylinder body (1), auxiliary rods (8) are rotatably connected to both sides of the top of the outer wall of the cylinder body (1), a sliding groove (9) is provided on the inner wall top of the cylinder body (1), the outer wall top of the cylinder body (1) is fixedly connected to a motor 1 (10), and the output shaft of the motor 1 (10) is fixedly connected to a transmission rod (11).

2. The dyeing device for blended fabrics according to claim 1, characterized in that: An elliptical groove (21) is provided on the inner wall side of the cylinder body (1); a second motor (27) is fixedly connected to the outer wall side of the cylinder body (1); an output shaft of the second motor (27) is fixedly connected to a transmission shaft (25); a second gear (24) is fixedly connected to the outer wall of the transmission shaft (25); a ring gear frame (23) is meshed on the inner side of the outer wall of the second gear (24); a sliding rod (22) is fixedly connected to the top end of the inner side of the outer wall of the ring gear frame (23); and a stirring rod (26) is fixedly connected to the outer side of the outer wall of the ring gear frame (23).

3. The dyeing device for blended fabrics according to claim 1, characterized in that: The limit assembly comprises a gear 1 (13), the outer side of the outer wall of the gear 1 (13) meshes with the inner side of the outer wall of the rack (12), a rotating shaft (14) is fixedly connected at the center of the inner wall of the gear 1 (13), an orientation block (15) is fixedly connected to the outer wall of the rotating shaft (14), the outer wall of the rotating shaft (14) is elastically connected to a limit frame (17) through a limit spring (16), an orientation groove (18) is provided on the inner wall of the limit frame (17), the end of the outer wall of the limit frame (17) is fixedly connected to the limit block (19), and a limit groove (20) is provided on the outer wall of the cylinder body (1).

4. The dyeing device for blended fabrics according to claim 1, characterized in that: The fabric material (3) is wound around the bottom of the outer wall of the extrusion rod (7), the end of the outer wall of the auxiliary frame (6) is slidably connected to the inner wall of the cylinder body (1), and the end of the outer wall of the extrusion rod (7) is slidably connected to the inner wall of the cylinder body (1).

5. The dyeing device for blended fabrics according to claim 1, characterized in that: The outer wall of the rack (12) close to the auxiliary frame (6) is slidably connected to the inner wall of the slide groove (9), the outer wall of the rack (12) is slidably connected to the top inner wall of the cylinder body (1), the outer wall end of the transmission rod (11) is rotatably connected to the inner wall of the cylinder body (1), and the output shaft of the motor (10) passes through and is slidably connected to the top inner wall of the cylinder body (1).

6. The dyeing device for blended fabrics according to claim 2, characterized in that: The output shaft of the second motor (27) passes through and is slidably connected to the inner wall of the cylinder body (1); the outer wall end of the transmission shaft (25) is rotatably connected to the inner wall of the cylinder body (1); the inner side of the outer wall of the ring gear frame (23) is slidably connected to the inner wall of the cylinder body (1); and the outer wall of the slide rod (22) is slidably connected to the inner wall of the elliptical groove (21).

7. The dyeing device for blended fabrics according to claim 3, characterized in that: One end of the limit spring (16) is fixedly connected to the end of the outer wall of the rotating shaft (14), and the other end of the limit spring (16) is fixedly connected to the top of the inner wall of the limit frame (17).

8. The dyeing device for blended fabrics according to claim 3, characterized in that: The outer wall of the orientation block (15) is slidably connected to the inner wall of the orientation groove (18); the outer wall end of the gear 1 (13) is slidably connected to the top inner wall of the cylinder body (1); the inner wall of the limit frame (17) is slidably connected to the outer wall of the rotating shaft (14); the bottom of the outer wall of the limit block (19) is slidably connected to the outer wall of the rotating shaft (14); the outer wall end of the limit block (19) is clamped on the inner wall of the limit groove (20); and the outer wall of the rotating shaft (14) is slidably connected to the top inner wall of the cylinder body (1).