Dyeable bicomponent composite dty fiber and its spinneret assembly

Abstract

This invention relates to the field of spinneret technology, specifically to easily dyeable bicomponent composite DTY fibers and their spinnerets, comprising PET and PTT. PET and PTT are heated to 280°C and added at a ratio of 55:45. The fibers are extruded under pressure using a twin-screw extruder and guided to a spinneret for spinning. After spinning, the fibers are cooled by side-blowing air at a speed of 0.3-0.7 m / s and a temperature of 23°C. They are then oiled with a siloxane emulsion at a concentration of 8-12 wt% and an oil content of 1.1%. Finally, they undergo false-twist deformation to form a crimped structure with a crimp shrinkage rate of 10-30% and a boiling water shrinkage rate of 5-8%, thus forming bicomponent composite DTY fibers. The structural design facilitates spinneret production.

Description

Technical Field

[0001] This invention relates to the field of spinneret technology, specifically to easily dyeable bicomponent composite DTY fiber and its spinneret. Background Technology

[0002] Spinnerets (spinning caps) are key industrial components in the textile and chemical fiber industry. Their core function is to extrude viscous polymer melts or solutions into fine streams with specific cross-sectional shapes through precision micropores. After solidification, these streams form shaped fibers. Based on the differences in spinning processes, they can be divided into two main categories: wet spinning (viscose, acrylic, etc.) and dry spinning (polyester, nylon, etc.). The hole shapes cover hundreds of forms, including circular, T-shaped, and Y-shaped. This component improves the moisture wicking and breathability of fibers and is widely used in clothing fabrics, automotive interiors, and aerospace fields.

[0003] According to Chinese Patent Publication No. CN104963013B, a method for preparing an anti-seepage DTY fiber and its preparation is disclosed. The anti-seepage DTY fiber is a non-peeled, orange-petal-shaped bicomponent composite fiber. "Non-peeled" refers to the good compatibility of the two components. The two components are a polymer and the polymer containing 5-16 wt% TiO2, wherein the polymer containing 5-16 wt% TiO2 accounts for 6-30 wt% of the anti-seepage DTY fiber. The anti-seepage DTY fiber is a circular fiber, with the polymer containing 5-16 wt% TiO2 distributed in a fan shape starting from the center, and the radius of the fan shape is 4 / 5 to 11 / 12 of the radius of the anti-seepage DTY fiber. The opacity of the anti-seepage DTY fiber reaches 99%-100%. The anti-seepage DTY fiber of this invention has high opacity, and its physical properties are almost identical to those of conventional fibers. The woven fabric has a significant light-blocking effect, greatly reducing the transmission of visible light, making the transmitted visible light almost zero.

[0004] Currently, bicomponent composite DTY fibers and their spinnerets are not convenient for continuous and efficient pressure control, and often suffer from insufficient pressure during spinning, which needs to be improved. Summary of the Invention

[0005] To address the problems in the prior art, the present invention provides easily dyeable bicomponent composite DTY fiber and its spinneret assembly.

[0006] The technical solution adopted by this invention to solve its technical problem is: an easily dyeable bicomponent composite DTY fiber, including PET and PTT, wherein PET and PTT are heated to 280°C and added at a specific gravity of 55:45, extruded under pressure by a twin-screw extruder, guided to a spinneret, and spun through the spinneret. After cooling by side blowing air at a speed of 0.3-0.7 m / s and a temperature of 23°C, the fiber is then oiled with a siloxane emulsion at a concentration of 8-12 wt% and an oil content of 1.1%. Finally, it is deformed by false twisting to form a crimped structure with a crimp shrinkage rate of 10-30% and a boiling water shrinkage rate of 5-8%, thus forming a bicomponent composite DTY fiber.

[0007] A spinneret assembly for easily dyeable bicomponent composite DTY fibers includes a first spinneret distribution structure, a second spinneret distribution structure, a third spinneret distribution structure, and a fourth spinneret distribution structure. The lower end of the first spinneret distribution structure is connected to the second spinneret distribution structure, the lower end of the second spinneret distribution structure is connected to the third spinneret distribution structure, and the lower end of the third spinneret distribution structure is connected to the fourth spinneret distribution structure. All four spinneret distribution structures are fixedly installed, with sealed connections. The material is introduced through the first spinneret distribution structure. A guide tube connects to a tapered connecting tube, and the guide tube and tapered connecting tube are symmetrically arranged to symmetrically introduce the material. The material then passes through the tapered connecting tube to a channel seat, where it is guided by a guide groove and discharged into the interior of the second spinneret distribution structure. At this point, the distribution plate seat is connected to the first spinneret distribution structure, and the material is guided through the guide groove, with the lower end of the guide groove passing through the channel body. The material is connected to the collecting tank and guided onto it for oblique transmission. The collecting tank then connects to the first spinneret guide tank, through which the material is guided and transmitted. A first conical guide seat is located at the center of the first spinneret guide tank. The material reaches the first and second conical guide seats on the first spinneret guide tank for further transmission. The first and second conical guide seats then guide the material to symmetrically arranged guide pipes, a first through pipe, a second through pipe, and an oblique guide pipe. The material passes through the guide pipe to the first through pipe, then through the first through pipe to the second through pipe, and finally through the second through pipe to the oblique guide pipe. It is then guided into the joining guide tank, whose lower end connects to the spinneret for merging. The material is then spun through the spinneret. The guide pipes, first through pipe, second through pipe, and oblique guide pipe are continuously bent. Only when a predetermined pressure is reached and a sufficient amount of material is present is the material discharged through the first through pipe, second through pipe, and oblique guide pipe, facilitating subsequent joining processes.

[0008] Specifically, the first spinneret distribution structure includes a guide tube and a tapered connecting tube. The lower end of the guide tube is connected to the tapered connecting tube, and the lower end of the tapered connecting tube is connected to a slot seat. A guide groove is provided on the slot seat, and the tapered connecting tube is connected to the second spinneret distribution structure through the guide groove in the slot seat.

[0009] Specifically, the second spinneret distribution structure includes a distribution plate seat and a sleeve seat. The sleeve seat is fixedly connected to the outside of the distribution plate seat. A guide groove is opened in the distribution plate seat. The lower end of the guide groove is connected to the collection groove. The first spinneret distribution structure facilitates the conduction of PET and PTT. The PET and PTT are introduced into the first spinneret distribution structure through the guide tube and the tapered connecting tube, respectively. The PET is guided to the guide groove and then to the collection groove for continuous connection processing, thereby enabling rapid guidance and distribution.

[0010] Specifically, the guide trough and the collection trough are connected through the trough body at the rear end and the lead pipe, so that the material is guided and transported obliquely through the collection trough.

[0011] Specifically, the third spinneret distribution structure includes a first spinneret guide groove, a support plate, a plate sleeve, and a second spinneret guide groove. The support plate is fixedly connected to the center of the plate sleeve. The support plate has a first spinneret guide groove and a second spinneret guide groove, which are symmetrically arranged.

[0012] Specifically, the fourth spinneret distribution structure includes a first conical guide seat, a second conical guide seat, and a spinneret distribution groove seat. The upper end of the spinneret distribution groove seat is fixedly provided with the first conical guide seat and the second conical guide seat, and the first conical guide seat and the second conical guide seat are connected to the spinneret distribution groove seat. A guide tube is provided in the spinneret distribution groove seat, and the first conical guide seat and the second conical guide seat are respectively connected to symmetrical guide tubes.

[0013] Specifically, the lower end of the guide tube is connected to a first through pipe, the side end of the first through pipe is connected to a second through pipe, and the side end of the second through pipe is connected to an oblique guide pipe. The oblique guide pipe is located in the connecting guide groove, and the center of the mating seat plate has a connecting guide groove. The lower end of the connecting guide groove is connected to a spinneret. Through the setting of the third spinneret distribution structure, the lower end of the collecting groove is connected to the first spinneret guide groove. The material is guided through the first spinneret guide groove and the second spinneret guide groove to the first cone guide seat and the second cone guide seat. The lower ends of the first cone guide seat and the second cone guide seat are connected to the guide tube, the first through pipe, the second through pipe and the oblique guide pipe. The guide tube, the first through pipe, the second through pipe and the oblique guide pipe are continuously bent. Only under sufficient pressure will the material be discharged through the oblique guide pipe. Then, it is guided through the connecting guide groove to the spinneret for connecting treatment, thereby carrying out the spinneret production work.

[0014] Specifically, the two combined guide grooves are connected through the center and are both connected to the spinneret tube, where they are mixed and spun.

[0015] Specifically, the guide pipe, the first through pipe, the second through pipe, and the inclined guide pipe are arranged in a bent shape. Only when the pressure and quantity are sufficient can the material be guided into the combined guide groove through the guide pipe, the first through pipe, the second through pipe, and the inclined guide pipe.

[0016] The beneficial effects of this invention are:

[0017] First, the present invention facilitates the conduction of PET (polyethylene terephthalate) and PTT (polypropylene terephthalate) through the setting of the first spinneret distribution structure. The PET is introduced into the first spinneret distribution structure through the guide tube and the tapered connecting tube, respectively. The PET is then guided to the guide groove and then to the collection groove for continuous connection processing, thereby enabling rapid guidance and distribution.

[0018] Second, the present invention, through the setting of the third spinneret distribution structure, connects the lower end of the collecting groove to the first spinneret guide groove. The material is guided by the first spinneret guide groove and the second spinneret guide groove to the first cone guide seat and the second cone guide seat. The lower ends of the first cone guide seat and the second cone guide seat are connected to the guide inclined tube, the first through pipe, the second through pipe and the inclined guide pipe. The guide inclined tube, the first through pipe, the second through pipe and the inclined guide pipe are continuously bent. Only under sufficient pressure will the material be discharged through the inclined guide pipe. After that, it is guided to the spinneret tube by the connecting guide groove for connecting treatment, thereby carrying out the spinneret production work. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a three-dimensional structural diagram of the main body from a frontal perspective in this invention;

[0021] Figure 2 This is a split view of the main body of the present invention;

[0022] Figure 3 This is a perspective view of the first spinneret distribution structure in this invention;

[0023] Figure 4 This is a cross-sectional view of the first spinneret distribution structure in this invention;

[0024] Figure 5 This is a perspective view of the second spinneret distribution structure in this invention;

[0025] Figure 6 This is a cross-sectional view of the second spinneret distribution structure in this invention;

[0026] Figure 7 This is a perspective view of the third spinneret distribution structure in this invention;

[0027] Figure 8 This is a perspective view of the fourth spinneret distribution structure in this invention;

[0028] Figure 9 This is a split diagram of the fourth spinneret distribution structure in this invention.

[0029] In the diagram: 1-First spinneret distribution structure, 2-Second spinneret distribution structure, 3-Third spinneret distribution structure, 4-Fourth spinneret distribution structure, 5-Guide tube, 6-Conical connecting tube, 7-Groove seat, 8-Guide groove, 9-Distribution plate seat, 10-Sleeve seat, 11-Guide groove, 12-Collection groove, 13-First spinneret guide groove, 14-Support plate, 15-Plate sleeve plate, 16-Second spinneret guide groove, 17-First conical guide seat, 18-Second conical guide seat, 19-Spinneret distribution groove seat, 20-Guide inclined tube, 21-First through pipe, 22-Second through pipe, 23-Angled guide tube, 24-Matching seat plate, 25-Spinneret tube, 26-Matching guide groove. Detailed Implementation

[0030] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0031] The invention will be further described below with reference to the accompanying drawings.

[0032] Example

[0033] like Figure 1-9 As shown, the easily dyeable bicomponent composite DTY fiber of the present invention includes PET and PTT. PET and PTT are heated to 280°C and added at a specific gravity of 55:45. The fibers are extruded under pressure using a twin-screw extruder and guided to a spinneret for spinning. After spinning, the fibers are cooled by side blowing at a speed of 0.3-0.7 m / s and a temperature of 23°C. The fibers are then oiled with a siloxane emulsion at a concentration of 8-12 wt% and an oil content of 1.1%. Finally, the fibers are deformed by false twisting to form a crimped structure with a crimp shrinkage rate of 10-30% and a boiling water shrinkage rate of 5-8%, thus forming the bicomponent composite DTY fiber.

[0034] A spinneret assembly for easily dyeable bicomponent composite DTY fibers includes a first spinneret distribution structure 1, a second spinneret distribution structure 2, a third spinneret distribution structure 3, and a fourth spinneret distribution structure 4. The lower end of the first spinneret distribution structure 1 is connected to the second spinneret distribution structure 2, the lower end of the second spinneret distribution structure 2 is connected to the third spinneret distribution structure 3, and the lower end of the third spinneret distribution structure 3 is connected to the fourth spinneret distribution structure 4. The first spinneret distribution structure 1, the second spinneret distribution structure 2, the third spinneret distribution structure 3, and the fourth spinneret distribution structure 4 are integrally and fixedly arranged. The location is sealed. Material is introduced through the first spinneret distribution structure 1. The guide pipe 5 is connected to the conical connecting pipe 6, and the guide pipe 5 and conical connecting pipe 6 are symmetrically arranged to symmetrically introduce the material. The material then reaches the channel seat 7 through the conical connecting pipe 6, where it is guided and transported through the guide groove 8 on the channel seat 7, and discharged into the interior of the second spinneret distribution structure 2. At this time, the distribution plate seat 9 is connected to the first spinneret distribution structure 1, and the material is guided through the guide groove 11. The lower end of the guide groove 11 is connected to the collecting groove 12 through the groove body, guiding the material to the collecting groove 12. 2. The material is conveyed obliquely. Then, the collecting trough 12 connects to the first spinneret guide trough 13. The material is guided and conveyed through the first spinneret guide trough 13. The first cone guide seat 17 is located at the center of the first spinneret guide trough 13. The material reaches the first cone guide seat 17 and the second cone guide seat 18 on the first spinneret guide trough 13 for further conveying. Then, the first cone guide seat 17 and the second cone guide seat 18 guide the material to the symmetrically arranged guide oblique pipe 20, first through pipe 21, second through pipe 22, and oblique guide pipe 23. The material reaches the first through pipe 21 through the guide oblique pipe 20. The material passes through the first through pipe 21 to the second through pipe 22, then through the second through pipe 22 to the inclined guide pipe 23, and is then guided into the connecting guide groove 26. The lower end of the connecting guide groove 26 is connected to the spinneret 25 for confluence processing, and then the material is spinned through the spinneret 25. The inclined guide pipe 20, the first through pipe 21, the second through pipe 22, and the inclined guide pipe 23 are continuously bent. When the predetermined pressure is reached and there is a sufficient amount of material, the material is guided and discharged through the first through pipe 21, the second through pipe 22, and the inclined guide pipe 23, which facilitates subsequent bonding processing.

[0035] The first spinneret distribution structure 1 includes a guide tube 5 and a tapered connecting tube 6. The lower end of the guide tube 5 is connected to the tapered connecting tube 6, and the lower end of the tapered connecting tube 6 is connected to the slot seat 7. The slot seat 7 is provided with a guide groove 8, and the tapered connecting tube 6 is connected to the second spinneret distribution structure 2 through the guide groove 8 in the slot seat 7.

[0036] The second spinneret distribution structure 2 includes a distribution plate seat 9 and a sleeve seat 10. The sleeve seat 10 is fixedly connected to the outside of the distribution plate seat 9. A guide groove 11 is opened in the distribution plate seat 9. The lower end of the guide groove 11 is connected to the collection groove 12. The first spinneret distribution structure 1 facilitates the conduction of PET and PTT. The PET and PTT are introduced into the first spinneret distribution structure 1 through the guide pipe 5 and the tapered connecting pipe 6, respectively. The PET is guided to the guide groove 11 through the guide groove 8 and then to the collection groove 12 through the guide groove 11 for continuous connection processing, thereby enabling rapid guidance and distribution.

[0037] The guide trough 11 and the collection trough 12 are connected by the trough body at the rear end and the lead pipe, so that the material is guided and transported obliquely through the collection trough 12.

[0038] The third spinneret distribution structure 3 includes a first spinneret guide groove 13, a support plate 14, a plate sleeve 15, and a second spinneret guide groove 16. The support plate 14 is fixedly connected to the center of the plate sleeve 15. The first spinneret guide groove 13 and the second spinneret guide groove 16 are provided on the support plate 14, and the first spinneret guide groove 13 and the second spinneret guide groove 16 are symmetrically arranged.

[0039] The fourth spinneret distribution structure 4 includes a first conical guide seat 17, a second conical guide seat 18, and a spinneret distribution groove seat 19. The first conical guide seat 17 and the second conical guide seat 18 are fixedly provided at the upper end of the spinneret distribution groove seat 19, and the first conical guide seat 17 and the second conical guide seat 18 are connected to the spinneret distribution groove seat 19. A guide tube 20 is provided inside the spinneret distribution groove seat 19, and the first conical guide seat 17 and the second conical guide seat 18 are respectively connected to the symmetrical guide tubes 20.

[0040] The lower end of the guide tube 20 is connected to a first through tube 21, the side end of the first through tube 21 is connected to a second through tube 22, the side end of the second through tube 22 is connected to an oblique guide tube 23, the oblique guide tube 23 is located in the connecting guide groove 26, the center of the mating seat plate 24 is provided with a connecting guide groove 26, and the lower end of the connecting guide groove 26 is connected to a spinneret tube 25.

[0041] The two combined guide grooves 26 are connected through the center and are both connected to the spinneret 25. The mixing process is carried out through the spinneret 25, and the spinneret process is carried out through the spinneret 25.

[0042] The guide pipe 20, the first through pipe 21, the second through pipe 22, and the inclined guide pipe 23 are arranged in a bent shape. Only under sufficient pressure and quantity can the material be guided through the guide pipe 20, the first through pipe 21, the second through pipe 22, and the inclined guide pipe 23 into the connecting guide groove 26. Through the arrangement of the third spinneret distribution structure 3, the lower end of the collecting groove 12 is connected to the first spinneret guide groove 13. The material is guided through the first spinneret guide groove 13 and the second spinneret guide groove 16 to the first cone guide seat 1. 7. On the second cone guide seat 18, the lower ends of the first cone guide seat 17 and the second cone guide seat 18 are connected to the guide pipe 20, the first through pipe 21, the second through pipe 22 and the oblique guide pipe 23. The guide pipe 20, the first through pipe 21, the second through pipe 22 and the oblique guide pipe 23 are continuously bent. Only under sufficient pressure can the material be discharged through the oblique guide pipe 23. After that, it is guided to the spinneret 25 through the guide groove 26 for bonding treatment, thereby carrying out the spinneret production work.

[0043] The working principle is as follows: During use, the material is introduced through the first spinneret distribution structure 1. The guide pipe 5 is connected to the conical connecting pipe 6, and the guide pipe 5 and the conical connecting pipe 6 are symmetrically arranged to symmetrically introduce the material. Then, the material reaches the slot seat 7 through the conical connecting pipe 6, and is guided and transported through the guide slot 8 opened on the slot seat 7, and is discharged into the interior of the second spinneret distribution structure 2. At this time, the distribution plate seat 9 is connected to the first spinneret distribution structure 1, and the material is guided through the guide slot 11. The lower end of the guide slot 11 is connected to the collecting slot 12 through the slot body, guiding the material to the collecting slot 12 for oblique transmission. Then, the collecting slot 12 is connected to the first spinneret guide slot 13, and the material is guided and transported through the first spinneret guide slot 13. The first conical guide seat 17 is located at the center of the first spinneret guide slot 13. The material reaches the first conical guide seat 17 on the first spinneret guide slot 13 and the second spinneret guide slot 2. The material is transferred again on the cone guide seat 18. Then, the first cone guide seat 17 and the second cone guide seat 18 guide the material to the symmetrically arranged guide pipe 20, first through pipe 21, second through pipe 22 and oblique guide pipe 23. The material reaches the first through pipe 21 through the guide pipe 20, the second through pipe 22 through the first through pipe 21, and the oblique guide pipe 23 through the second through pipe 22. Then it is guided into the bonding guide groove 26. The lower end of the bonding guide groove 26 is connected to the spinneret 25 for confluence processing, so that the material is spun through the spinneret 25. The guide pipe 20, the first through pipe 21, the second through pipe 22 and the oblique guide pipe 23 are continuously bent. When the predetermined pressure is reached and there is a sufficient amount of material, the material is guided out through the first through pipe 21, the second through pipe 22 and the oblique guide pipe 23 to facilitate subsequent bonding processing and complete the work.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An easily dyeable bicomponent composite DTY fiber, characterized in that: Including PET and PTT, PET and PTT are heated to 280°C and added at a specific gravity of 55:

45. They are extruded under pressure through a twin-screw extruder and guided to a spinneret for spinning. After spinning, they are cooled by side blowing at a speed of 0.3-0.7 m / s and a temperature of 23°C. They are then oiled with a siloxane emulsion with a concentration of 8-12 wt% and an oil content of 1.1%. After false twisting, they are formed into a crimped structure with a crimp shrinkage rate of 10-30% and a boiling water shrinkage rate of 5-8%, forming a bicomponent composite DTY fiber.

2. A spinneret for easily dyeable bicomponent composite DTY fibers, using the easily dyeable bicomponent composite DTY fibers as described in claim 1, characterized in that: It includes a first spinneret distribution structure (1), a second spinneret distribution structure (2), a third spinneret distribution structure (3) and a fourth spinneret distribution structure (4). The lower end of the first spinneret distribution structure (1) is connected to the second spinneret distribution structure (2), the lower end of the second spinneret distribution structure (2) is connected to the third spinneret distribution structure (3), and the lower end of the third spinneret distribution structure (3) is connected to the fourth spinneret distribution structure (4). The first spinneret distribution structure (1), the second spinneret distribution structure (2), the third spinneret distribution structure (3) and the fourth spinneret distribution structure (4) are fixedly installed as a whole, and the connection position is sealed.

3. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 2, characterized in that: The first spinneret distribution structure (1) includes a guide tube (5) and a tapered connecting tube (6). The lower end of the guide tube (5) is connected to the tapered connecting tube (6). The lower end of the tapered connecting tube (6) is connected to the slot seat (7). A guide groove (8) is provided on the slot seat (7). The tapered connecting tube (6) is connected to the second spinneret distribution structure (2) through the guide groove (8) in the slot seat (7).

4. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 3, characterized in that: The second spinneret distribution structure (2) includes a distribution plate seat (9) and a sleeve seat (10). The sleeve seat (10) is fixedly connected to the outside of the distribution plate seat (9). A guide groove (11) is provided in the distribution plate seat (9). The lower end of the guide groove (11) is connected to the collection groove (12).

5. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 4, characterized in that: The guide groove (11) and the collection groove (12) are connected through the rear groove and the lead pipe, so that the material is guided and transported obliquely through the collection groove (12).

6. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 5, characterized in that: The third spinneret distribution structure (3) includes a first spinneret guide groove (13), a support plate (14), a disc sleeve plate (15), and a second spinneret guide groove (16). The support plate (14) is fixedly connected to the center of the disc sleeve plate (15). The first spinneret guide groove (13) and the second spinneret guide groove (16) are provided on the support plate (14), and the first spinneret guide groove (13) and the second spinneret guide groove (16) are symmetrically arranged.

7. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 6, characterized in that: The fourth spinneret distribution structure (4) includes a first cone guide seat (17), a second cone guide seat (18), and a spinneret distribution slot seat (19). The upper end of the spinneret distribution slot seat (19) is fixedly provided with the first cone guide seat (17) and the second cone guide seat (18), and the first cone guide seat (17) and the second cone guide seat (18) are connected to the spinneret distribution slot seat (19). A guide tube (20) is provided inside the spinneret distribution slot seat (19), and the first cone guide seat (17) and the second cone guide seat (18) are respectively connected to the symmetrical guide tube (20).

8. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 7, characterized in that: The lower end of the guide tube (20) is connected to a first through tube (21), the side end of the first through tube (21) is connected to a second through tube (22), the side end of the second through tube (22) is connected to an oblique guide tube (23), the oblique guide tube (23) is located in the connecting guide groove (26), the center of the mating seat plate (24) is provided with a connecting guide groove (26), and the lower end of the connecting guide groove (26) is connected to a spinneret tube (25).

9. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 8, characterized in that: Two combined guide grooves (26) are connected through the center and are both connected to the spinneret (25). The mixing process is carried out through the spinneret (25), and the spinning process is carried out through the spinneret (25).

10. The spinneret assembly for easily dyeable bicomponent composite DTY fibers according to claim 9, characterized in that: The guide pipe (20), the first through pipe (21), the second through pipe (22) and the oblique guide pipe (23) are arranged in a bent shape. Under sufficient pressure and quantity, the material is guided into the combined guide groove (26) through the guide pipe (20), the first through pipe (21), the second through pipe (22) and the oblique guide pipe (23).

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