A polyester filament dyeing device

By introducing an automatic cleaning structure into the polyester filament dyeing device, the problems of uneven dyeing and tedious cleaning of impurities have been solved, achieving automatic cleaning and uniform dyeing results.

CN224280742UActive Publication Date: 2026-05-26JIAXING HUIDA NEW MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAXING HUIDA NEW MATERIAL CO LTD
Filing Date
2025-05-26
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing polyester filament dyeing equipment is prone to uneven dyeing and dye waste after dyeing, while the sedimentation of impurities in the dyeing tank makes cleaning cumbersome.

Method used

A polyester filament dyeing device was designed, comprising a combination structure of guide rail, slider, support rod, scraper, L-shaped connecting rod, groove, threaded rod and moving block. The threaded rod is driven by a motor to drive the scraper to automatically clean the debris at the bottom of the dyeing box, and a squeezing roller is set to ensure uniform dye distribution.

Benefits of technology

It enables automatic cleaning of debris at the bottom of the dyeing box, avoiding the tedious manual cleaning operation and ensuring uniform dyeing and full utilization of dye.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a polyester filament dyeing device, including a base plate, a dyeing box, guide rails, sliders, support rods, scrapers, L-shaped connecting rods, grooves, threaded rods, moving blocks, and guide rollers. The base plate has a dyeing box, and two guide rails are symmetrically arranged on both sides of the bottom of the dyeing box. Sliders are slidably fitted on each guide rail, and support rods are connected to the bottom of each slider. A scraper is connected to the bottom end of both support rods. An L-shaped connecting rod is connected to the top of one slider. A groove is formed on the upper side wall of the dyeing box, and a threaded rod is rotated within the groove. A moving block is threadedly connected to the outer wall of the threaded rod, and the side wall of the moving block is connected to the other end of the L-shaped connecting rod. Guide rollers are provided between the sliders. This utility model can automatically clean debris from the bottom of the dyeing box, thus ensuring the cleanliness of the inside of the dyeing box, and is simple and convenient to operate.
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Description

Technical Field

[0001] This utility model relates to the technical field of polyester filament processing, and in particular to the technical field of a polyester filament dyeing device. Background Technology

[0002] Polyester filament fabrics are wrinkle-resistant, quick-drying, and have good shape retention. They are often used to make T-shirts, quick-drying clothes, and tight-fitting clothes. When blended with natural fibers such as cotton and wool, they can improve the performance of the fabric and are widely used in various types of clothing.

[0003] Polyester filaments need to be dyed before use. Uneven dyeing is prone to occur during the dyeing process, which will affect the subsequent use effect.

[0004] To address the problems mentioned above, for example, application number CN201720453850.6 discloses a dyeing device for polyester filament, comprising a feed roller, a dyeing box, an oven, and a take-up roller arranged sequentially. The dyeing box has a filament inlet at the top of the side near the feed roller and a filament outlet at the bottom of the side near the oven. Multiple first guide rollers are evenly fixed at equal intervals on the inner wall of the side of the dyeing box with the filament inlet, and multiple second guide rollers are evenly fixed at equal intervals on the inner wall of the side with the filament outlet. The first and second guide rollers are staggered, and the top of the second guide roller at the highest position is on the same straight line as the center line of the filament inlet. Spraying dye onto the polyester filament allows for uniform and rapid dyeing. By increasing the residence time of the polyester filament in the dyeing box, the dyeing can be more thorough.

[0005] However, the above-mentioned device still has the following drawbacks:

[0006] After the above-mentioned device dyes the polyester filament, the polyester filament will carry out a large amount of dye and then be dried. During the drying process, uneven dyeing will occur and dye will be wasted.

[0007] To address the problems mentioned above, for example, application number CN202122462145.1 discloses a polyester filament dyeing device, comprising: a frame, support plates at both ends of the frame, two placement rollers symmetrically arranged on the support plates, a motor connected to one of the placement rollers, and a dyeing tank located between the support plates at both ends; the dyeing tank is equipped with a vibration mechanism, a guide wheel assembly, and a return material mechanism; the vibration mechanism is located in the middle of the dyeing tank, and the return material mechanism is located at the top right side of the dyeing tank. The vibration mechanism can squeeze and absorb the polyester filaments in the dyeing tank, ensuring sufficient dyeing; the return material mechanism can clean excess dye adhering to the polyester filaments and then return it to the dyeing tank, saving dye.

[0008] However, the above-mentioned device still has the following drawbacks:

[0009] Due to long-term use, the dyeing tank tends to accumulate a lot of debris at the bottom. The aforementioned device lacks an automatic cleaning mechanism, requiring manual cleaning by staff, which makes the operation cumbersome. Summary of the Invention

[0010] The purpose of this invention is to solve the problems in the prior art and to propose a polyester filament dyeing device that can automatically clean the debris at the bottom of the dyeing box, thereby ensuring that the inside of the dyeing box is clean and tidy, and is simple and convenient to operate.

[0011] To achieve the above objectives, this utility model proposes a polyester filament dyeing device, comprising a base plate, a dyeing box, guide rails, sliders, support rods, scrapers, L-shaped connecting rods, grooves, threaded rods, moving blocks, and guide rollers; the base plate is provided with a dyeing box, and two guide rails are symmetrically arranged on both sides of the bottom of the dyeing box. Sliders are slidably fitted on each guide rail, and support rods are connected to the bottom of each slider. The bottom ends of the two support rods are connected to scrapers. The top of one slider is connected to an L-shaped connecting rod. A groove is formed on the upper side wall of the dyeing box, and a threaded rod is rotated in the groove. A moving block is threadedly connected to the outer wall of the threaded rod, and the side wall of the moving block is connected to the other end of the L-shaped connecting rod; guide rollers are provided between the sliders.

[0012] Preferably, both ends of the scraper are in contact with the inner sidewall of the dyeing box, and the bottom end of the scraper is in contact with the inner bottom wall of the dyeing box.

[0013] Preferably, the height of the groove is higher than the level of the dye in the dyeing box.

[0014] Preferably, a first motor is installed on the side wall of the dyeing box, and the output shaft of the first motor passes through the side wall of the dyeing box and is connected to a threaded rod.

[0015] Preferably, a gap is left between the guide roller and the scraper for the polyester filament to pass through.

[0016] Preferably, the dyeing box has slag discharge troughs at both the front and rear edges of the bottom, and two slag discharge ports corresponding to the slag discharge troughs are provided on the bottom plate. The slag discharge troughs and slag discharge ports are connected, and a receiving box matching the slag discharge ports is installed below the bottom plate.

[0017] Preferably, the slag discharge trough is equipped with a sealing plug.

[0018] Preferably, a set of mounting seats is provided above the dyeing box, and two extrusion rollers are arranged between the mounting seats, with the extrusion rollers distributed vertically in a corresponding manner.

[0019] Preferably, the base plate is provided with an unwinding roller and a winding roller, both of which are mounted on the base plate via a fixed seat. A second motor is mounted on the side wall of one of the fixed seats, and the output shaft of the second motor passes through the side wall of the fixed seat and is connected to the winding roller.

[0020] The beneficial effects of this utility model are:

[0021] 1. This utility model, through the combined action of guide rails, sliders, support rods, scrapers, L-shaped connecting rods, grooves, threaded rods, and moving blocks, can automatically clean the bottom of the dyeing box. When the dyeing box has accumulated a lot of debris after prolonged use, the first motor is started by an external control power supply. The first motor drives the threaded rod to rotate, which in turn drives the moving block to move. The moving block then drives the L-shaped connecting rod to move, which in turn drives the slider to slide on the guide rail. This causes the scraper to scrape along the inner bottom wall of the dyeing box, allowing the debris inside the dyeing box to fall into the slag discharge trough, then into the slag discharge port, and finally into the collection box for collection. Therefore, by rotating the threaded rod in both directions, the scraper can be driven to scrape back and forth along the inner bottom wall of the dyeing box, thus automatically achieving a cleaning effect. This solves the problem of the lack of an automatic cleaning structure, which previously required manual cleaning by staff.

[0022] 2. By setting up extrusion rollers, the polyester filament passes through the extrusion rollers, and the extrusion rollers squeeze and absorb the polyester filament, so that the dye on the polyester filament is more fully applied. Attached Figure Description

[0023] Figure 1 This is a front view of a polyester filament dyeing apparatus according to this utility model;

[0024] Figure 2 This is a schematic diagram of the scraper of a polyester filament dyeing device according to this utility model;

[0025] Figure 3 This is a schematic diagram of the dyeing box of a polyester filament dyeing device according to this utility model;

[0026] Figure 4 This is a schematic diagram of the slag discharge tank of a polyester filament dyeing device according to this utility model;

[0027] Figure 5 This is a schematic diagram of the moving block of a polyester filament dyeing device according to this utility model;

[0028] In the diagram: 1-base plate, 2-dyeing box, 21-guide rail, 22-slider, 23-support rod, 24-scraper, 25-L-shaped connecting rod, 26-groove, 27-threaded rod, 28-moving block, 3-guide roller, 4-first motor, 5-slag discharge trough, 51-sealing plug, 6-slag discharge port, 7-receiving box, 8-mounting seat, 81-extrusion roller, 9-unwinding roller, 10-rewinding roller, 11-fixed seat, 12-second motor. Detailed Implementation

[0029] See Figures 1 to 5 This utility model discloses a polyester filament dyeing device, comprising a base plate 1, a dyeing box 2, guide rails 21, sliders 22, support rods 23, scrapers 24, L-shaped connecting rods 25, grooves 26, threaded rods 27, moving blocks 28, and guide rollers 3. The base plate 1 is provided with the dyeing box 2. Two guide rails 21 are symmetrically arranged on both sides of the bottom of the dyeing box 2. Sliders 22 are slidably fitted on each guide rail 21. Support rods 23 are connected to the bottom of each slider 22. The bottom ends of both support rods 23 are connected to scrapers 24. The top of one slider 22 is connected to… An L-shaped connecting rod 25 is provided. A groove 26 is provided on the upper side wall of the dyeing box 2. A threaded rod 27 is rotated in the groove 26. A moving block 28 is threadedly connected to the outer wall of the threaded rod 27. The side wall of the moving block 28 is connected to the other end of the L-shaped connecting rod 25. A guide roller 3 is provided between the sliders 22. In this application, the two ends of the guide rail 21 are equipped with limit blocks (not shown in the figure) to limit the travel of the scraper 24. By rotating the threaded rod 27 in both directions, the scraper 24 can be driven to scrape back and forth along the inner bottom wall of the dyeing box 2, thereby automatically achieving a cleaning effect.

[0030] See Figure 2 The two ends of the scraper 24 are in contact with the inner side wall of the dyeing box 2, and the bottom end of the scraper 24 is in contact with the inner bottom wall of the dyeing box 2, thereby cleaning the inner bottom wall of the dyeing box 2 in all directions and avoiding the situation where the scraping is not thorough.

[0031] See Figure 3 The height of the groove 26 is higher than the liquid level of the dye in the dyeing box 2, so as to prevent the dye in the dyeing box 2 from overflowing from the groove 26.

[0032] See Figure 3 The dyeing box 2 is equipped with a first motor 4 on its side wall. The output shaft of the first motor 4 passes through the side wall of the dyeing box 2 and is connected to the threaded rod 27. The input end of the first motor 4 is connected to an external power source. The threaded rod 27 is driven to rotate in both directions by the first motor 4.

[0033] See Figure 3A gap is left between the guide roller 3 and the scraper 24 for the polyester filament to pass through. The polyester filament passes through from under the guide roller 3, thereby guiding the polyester filament and ensuring that the polyester filament is always immersed in the dye.

[0034] See Figure 4 The dyeing box 2 has slag discharge troughs 5 at both the front and rear edges of its bottom. The bottom plate 1 has two slag discharge ports 6 corresponding to the slag discharge troughs 5. The slag discharge troughs 5 and the slag discharge ports 6 are connected. A receiving box 7 that matches the slag discharge ports 6 is installed below the bottom plate 1. The scraper 24 scrapes the debris into the slag discharge troughs 5, then into the slag discharge ports 6, and finally into the receiving box 7 for collection.

[0035] See Figure 4 The slag discharge tank 5 is equipped with a sealing plug 51 to prevent dye from leaking out of the slag discharge tank 5.

[0036] See Figure 3 The dyeing box 2 is provided with a set of mounting seats 8 above it. Two extrusion rollers 81 are arranged between the mounting seats 8. The extrusion rollers 81 are distributed vertically and vertically. The extrusion rollers 81 extrude and absorb the polyester filament, so that the dye on the polyester filament is more fully absorbed.

[0037] See Figure 1 The base plate 1 is provided with an unwinding roller 9 and a winding roller 10. Both the unwinding roller 9 and the winding roller 10 are mounted on the base plate 1 via a fixed seat 11. A second motor 12 is mounted on the side wall of one of the fixed seats 11. The output shaft of the second motor 12 passes through the side wall of the fixed seat 11 and is connected to the winding roller 10. The input end of the second motor 12 is connected to an external power source. The second motor 12 drives the winding roller 10 to rotate, thereby driving the polyester filament to be wound up.

[0038] The working process of this utility model:

[0039] This utility model discloses a polyester filament dyeing device. During operation, the polyester filament is pulled out from the unwinding roller 9, passes under the guide roller 3, then through two extrusion rollers 81, and finally wound onto the take-up roller 10. The guide roller 3 guides the polyester filament, ensuring it remains immersed in dye. The extrusion rollers 81 extrude and absorb the dye, resulting in more complete dyeing. When the dyeing box 2 accumulates a lot of debris after prolonged use, the first motor 4 is activated via an external power source. The first motor 4 drives the screw... When the threaded rod 27 rotates, it drives the moving block 28 to move. The moving block 28 drives the L-shaped connecting rod 25 to move. The L-shaped connecting rod 25 drives the slider 22 to slide on the guide rail 21, thereby driving the scraper 24 to scrape along the inner bottom wall of the dyeing box 2. This causes the debris inside the dyeing box 2 to fall into the slag discharge trough 5 through the scraper 24, and then fall from the slag discharge trough 5 into the slag discharge port 6, and finally into the collection box 7 for collection. Therefore, by rotating the threaded rod 27 in both directions, the scraper 24 can be driven to scrape back and forth along the inner bottom wall of the dyeing box 2, thereby automatically achieving a cleaning effect.

[0040] The control method of this utility model is to control the device by manually starting and stopping the switch. The wiring diagram of the power element and the supply of power are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail.

[0041] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A polyester filament dyeing apparatus characterized by: The system includes a base plate (1), a dyeing box (2), guide rails (21), sliders (22), support rods (23), scrapers (24), L-shaped connecting rods (25), grooves (26), threaded rods (27), moving blocks (28), and guide rollers (3). The base plate (1) is equipped with a dyeing box (2). Two guide rails (21) are symmetrically arranged on both sides of the bottom of the dyeing box (2). Sliders (22) are slidably fitted on each guide rail (21). Support rods (23) are connected to the bottom of each slider (22). The bottom ends of the two support rods (23) are connected to scrapers (24), and the top of one of the sliders (22) is connected to an L-shaped connecting rod (25). The upper side wall of the dyeing box (2) is provided with a groove (26), and a threaded rod (27) is provided in the groove (26). The outer wall of the threaded rod (27) is threaded with a moving block (28), and the side wall of the moving block (28) is connected to the other end of the L-shaped connecting rod (25). A guide roller (3) is provided between the sliders (22).

2. The polyester filament dyeing apparatus as described in claim 1, characterized in that: The two ends of the scraper (24) are in contact with the inner sidewall of the dyeing box (2), and the bottom end of the scraper (24) is in contact with the inner bottom wall of the dyeing box (2).

3. The polyester filament dyeing apparatus as described in claim 1, characterized in that: The height of the groove (26) is higher than the liquid level of the dye in the dyeing box (2).

4. The polyester filament dyeing apparatus as described in claim 1, characterized in that: The dyeing box (2) is equipped with a first motor (4) on its side wall. The output shaft of the first motor (4) passes through the side wall of the dyeing box (2) and is connected to the threaded rod (27).

5. The polyester filament dyeing apparatus as described in claim 1, characterized in that: A gap is left between the guide roller (3) and the scraper (24) for the polyester filament to pass through.

6. The polyester filament dyeing apparatus as described in claim 1, characterized in that: The dyeing box (2) has a slag discharge trough (5) at both the front and rear edges of the bottom. The bottom plate (1) has two slag discharge ports (6) corresponding to the slag discharge trough (5). The slag discharge trough (5) and the slag discharge ports (6) are connected. A receiving box (7) matching the slag discharge ports (6) is installed below the bottom plate (1).

7. The polyester filament dyeing apparatus as described in claim 6, characterized in that: The slag discharge trough (5) is equipped with a sealing plug (51).

8. The polyester filament dyeing apparatus as described in claim 1, characterized in that: A set of mounting seats (8) is provided above the dyeing box (2), and two extrusion rollers (81) are arranged between the mounting seats (8), with the extrusion rollers (81) distributed vertically.

9. The polyester filament dyeing apparatus as described in claim 1, characterized in that: The base plate (1) is provided with an unwinding roller (9) and a winding roller (10). The unwinding roller (9) and the winding roller (10) are both mounted on the base plate (1) through a fixed seat (11). A second motor (12) is mounted on the side wall of one of the fixed seats (11). The output shaft of the second motor (12) passes through the side wall of the fixed seat (11) and is connected to the winding roller (10).