High-temperature sample dyeing machine dyeing cup with self-cleaning structure

By designing a self-cleaning structure for the dye cup of the high-temperature dyeing machine, the problem of manually disassembling and cleaning the dye cup in existing technologies has been solved, realizing automated cleaning and efficient dyeing, reducing labor intensity and improving work efficiency.

CN223837745UActive Publication Date: 2026-01-27JINGJIANG HUAXIA TECH
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Patent Information

Application Number
CN202520415810.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-27
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing dyeing cups of the dyeing machine need to be manually removed and cleaned when changing dyes, which is time-consuming and labor-intensive, reducing work efficiency.

Method used

A high-temperature dyeing sample machine dyeing cup with a self-cleaning structure was designed, comprising a cup body, a cover plate, a threaded ring, a rotating rod, a mounting rod, a guide roller, a cleaning ring, and a telescopic tube. Automatic cleaning is achieved through motor drive, and the clamping mechanism and lifting mechanism improve dyeing and cleaning efficiency.

Benefits of technology

It enables automatic cleaning without removing the dye cup after dyeing, reducing labor, improving work efficiency, and enhancing both dyeing and cleaning effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-temperature sample dyeing machine dyeing cup with a self-cleaning structure, and relates to the technical field of sample dyeing machine accessories. The rotating rod is rotationally connected to the inner bottom wall of the cup body through a bearing, a rotating motor is embedded in the inner bottom wall of the cup body, and an output shaft of the rotating motor is connected with the bottom end of the rotating rod; the mounting rod is fixed to the lower side of one side of the outer ring wall of the rotating rod, and a clamping mechanism is arranged on the upper side of the mounting rod; the guide rollers are symmetrically arranged in the cup body in pairs at equal angles, and the upper ends of the guide rollers are screwed on the cover plate through bearings; the cleaning ring is located on the upper side in the cup body and connected with the cover plate through a lifting mechanism, and a plurality of double-end nozzles are arranged on the bottom wall of the cleaning ring at equal angles. One end of the telescopic pipe is in through connection with the cleaning ring, and the other end of the telescopic pipe penetrates through the cover plate and then is connected with external cleaning liquid; after sample dyeing is completed, the dyeing cup can be cleaned without being taken down, the labor amount of workers is reduced, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of dyeing machine accessories, specifically to a dyeing cup for a high-temperature dyeing machine with a self-cleaning structure. Background Technology

[0002] To reduce color difference and save costs, small-scale dyeing experiments are usually required before mass production. Commonly used dyeing cups are ordinary cups that are fixedly matched with the dyeing machine. When changing the dyeing sample, they need to be manually removed and cleaned, which is time-consuming and labor-intensive, increases the workload of workers, and reduces work efficiency. Utility Model Content

[0003] The purpose of this invention is to address the deficiencies and shortcomings of existing technologies by providing a high-temperature dyeing cup with a reasonable design and convenient use and a self-cleaning structure, which can effectively solve the aforementioned defects of existing technologies.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: it comprises a cup body, a cover plate, and a threaded ring. A drain pipe extends through the lower side of the cup body, and a control valve is built into the drain pipe. A cover plate is also provided on the upper side of the cup body. A threaded ring is fixed on the lower surface of the cover plate, and the threaded ring is inserted into the annular wall of the cup body and connected by threads. It further comprises:

[0005] A rotating rod is screwed onto the inner bottom wall of the cup body via a bearing. A rotating motor is embedded in the inner bottom wall of the cup body, and the output shaft of the rotating motor is connected to the bottom end of the rotating rod.

[0006] The mounting rod is fixed to the lower side of one side of the outer ring wall of the rotating rod, and a clamping mechanism is provided on the upper side of the mounting rod.

[0007] The guide rollers are a plurality of each other and are arranged symmetrically in pairs at equal angles inside the cup. The upper ends of the guide rollers are screwed onto the cover plate by bearings.

[0008] The cleaning ring is located on the upper side inside the cup body. The cleaning ring is connected to the cover plate through a lifting mechanism. Several double-headed nozzles are set at equal angles on the bottom wall of the cleaning ring. The nozzles on both sides of the double-headed nozzles are respectively inclined downward.

[0009] The telescopic tube has one end connected to the cleaning ring and the other end connected to the external cleaning solution after passing through the cover plate.

[0010] Using the above technical solution, the cover is opened, and one end of the sample fabric to be dyed is fixed to the clamping mechanism. The dye is poured into the cup body, and then the threaded ring on the cover is inserted into the annular wall of the cup body. At this time, the cleaning ring and guide roller are located in the cup body. The rotating motor is started, and the rotating motor drives the mounting rod to rotate. The mounting rod drives the fabric to rotate through the clamping mechanism. During the rotation, the clamping mechanism passes through the corresponding two guide rollers, so that the fabric passes through the two corresponding guide rollers. During the passage, the fabric is flattened, which facilitates dyeing. After dyeing, the fabric is taken out and the dye is discharged. Then, the telescopic tube is connected to the external cleaning liquid, and the external pump is started to pump the cleaning liquid into the cleaning ring. Then, it is sprayed through the double-headed nozzle onto the inner annular wall of the cup body, the mounting rod, the clamping mechanism, and the guide roller, thereby cleaning the cup body, the mounting rod, the clamping mechanism, and the guide roller.

[0011] As a further improvement of this utility model, the clamping mechanism includes:

[0012] A fixed clamping plate is fixed to one end of the outer ring wall of the mounting rod. A movable clamping plate is provided on the side of the fixed clamping plate adjacent to the rotating rod. A connecting ring is fixed on the lower side of the movable clamping plate. The connecting ring is embedded in and movably sleeved in the annular groove on the mounting rod.

[0013] The connecting block is fixed on the inner ring wall of the connecting ring and is movably disposed in the movable groove on the mounting rod. A connecting plate is fixed at the inner end of the connecting block and the connecting plate is connected to the clamping motor through a support shaft. The clamping motor is embedded and fixed in the mounting rod.

[0014] With the above technical solution, during clamping, the clamping motor is started, which drives the connecting plate to rotate. The connecting plate drives the connecting ring to rotate through the connecting block. The connecting ring drives the movable clamping plate to rotate, so that the movable clamping plate and the fixed clamping plate are separated. Then, one side of the sample fabric is placed between the fixed clamping plate and the movable clamping plate. Then, the clamping motor is started in reverse, and the clamping motor drives the connecting ring to rotate in the opposite direction through the connecting plate and the connecting block. The connecting ring drives the movable clamping plate to move towards the side of the fixed clamping plate until the movable clamping plate and the fixed clamping plate cooperate and abut against each other, thereby clamping the fabric. At the same time, the lifting mechanism is started, and the lifting mechanism drives the cleaning ring to move up and down, improving the cleaning effect.

[0015] As a further improvement of this utility model, anti-slip pads are fixed on the side wall adjacent to the fixed clamping plate and the movable clamping plate, and the two anti-slip pads are set to cooperate and abut against each other.

[0016] The above technical solution can increase the friction between the fixed clamp, the movable clamp and the sample fabric, thereby preventing the fabric from detaching from the fixed clamp and the movable clamp during dyeing.

[0017] As a further improvement of this utility model, sealing rings are fixed on both sides of the connecting ring, and the outer wall of the sealing ring is set to abut against the inner wall of the annular groove on the mounting rod.

[0018] The above technical solution can increase the sealing between the connecting ring and the mounting rod, preventing paint from entering the gap between the mounting rod and the connecting ring.

[0019] As a further improvement of this utility model, the lifting mechanism includes:

[0020] The lifting linkage consists of several rods, which are screwed at equal angles to the outer top wall of the cleaning ring via hinge seats. A movable block is screwed to the other end of the lifting linkage via a hinge seat. The movable block is slidably disposed in a groove on the inner top wall of the cover plate.

[0021] The lifting screws are of several kinds, and they are screwed into the moving block one by one. The lifting screws are screwed into the cover plate through bearings. The inner end of each lifting screw is fitted with and fixed with a driven bevel gear.

[0022] The active bevel gear is located in the center of the cover plate and meshes with several driven bevel gears. A rotating column is inserted and fixed in the center of the active bevel gear. The rotating column is screwed into the cover plate through a bearing and is movably sleeved on the outside of the telescopic tube.

[0023] The lifting motor is fixed on the top wall of the cover plate, and the output shaft of the lifting motor is inserted into the cover plate. The output shaft of the lifting motor is connected to the rotating column through a synchronous wheel transmission assembly.

[0024] With the above technical solution, the lifting motor is started, and the lifting motor drives the rotating column to rotate through the synchronous wheel transmission assembly. The rotating column drives the active bevel gear to rotate, the active bevel gear drives several driven bevel gears to rotate, and the driven bevel gears drive the lifting screws inside their respective parts to rotate. The lifting screws drive the lifting connecting rods to move through their respective moving blocks, and the other end of the lifting connecting rods drives the cleaning ring to move up and down.

[0025] As a further improvement of this utility model, a scraper is fixed to the lower side of the outer ring wall of the rotating rod. The scraper is arranged in an "L" shape, and the outer wall of the scraper abuts against the inner bottom wall and the inner ring wall of the cup body respectively.

[0026] With the above technical solution, when cleaning the cup, the dye adhering to the inner wall of the cup can be scraped off with a scraper.

[0027] Compared with the prior art, the beneficial effects of this utility model are as follows: The dye cup of the high-temperature dyeing sample machine with a self-cleaning structure described in this utility model can be cleaned after the dyeing is completed without removing it, which reduces the workload of the staff and improves the work efficiency. This utility model has the advantages of reasonable design and low manufacturing cost. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the internal structure of this utility model.

[0029] Figure 2 This is an exploded view of the rotating rod, mounting rod, and clamping mechanism in this utility model.

[0030] Figure 3 for Figure 2 Enlarged view of section A.

[0031] Figure 4 This is a schematic diagram of the lifting mechanism and cleaning ring in this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Cup body; 2. Cover plate; 3. Threaded ring; 4. Drain pipe; 5. Rotating rod; 6. Rotating motor; 7. Mounting rod; 8. Clamping mechanism; 8-1. Fixed clamping plate; 8-2. Connecting ring; 8-3. Connecting block; 8-4. Clamping motor; 8-5. Guide roller; 9. Cleaning ring; 10. Lifting mechanism; 11. Lifting connecting rod; 11-1. Moving block; 11-2. Lifting screw; 11-3. Driven bevel gear; 11-4. Driven bevel gear; 11-5. Rotating column; 11-6. Lifting motor; 11-7. Double-headed nozzle; 12. Telescopic tube; 13. Anti-slip pad; 14. Sealing ring; 15. Scraper rod; 16. Detailed Implementation

[0034] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0035] Example 1:

[0036] like Figures 1-4 As shown, this embodiment includes a cup body 1, a cover plate 2, and a threaded ring 3. A drain pipe 4 extends through the lower side of the cup body 1, and a control valve is built into the drain pipe 4. A cover plate 2 is also provided on the upper side of the cup body 1. A threaded ring 3 is welded and fixed to the lower surface of the cover plate 2. The threaded ring 3 is inserted into the annular wall of the cup body 1 and is screwed in by threads. It also includes:

[0037] A rotating rod 5 is screwed onto the inner bottom wall of the cup body 1 via a bearing. A rotating motor 6 is embedded in the inner bottom wall of the cup body 1, and the output shaft of the rotating motor 6 is connected to the bottom end of the rotating rod 5. A scraper 16 is welded and fixed to the lower side of the outer ring wall of the rotating rod 5. The scraper 16 is arranged in an "L" shape, and the outer wall of the scraper 16 abuts against the inner bottom wall and the inner ring wall of the cup body 1 respectively. When cleaning the cup body 1, the dye adhering to the inner wall of the cup body 1 can be scraped off by the scraper 16.

[0038] Mounting rod 7 is welded and fixed to the lower side of the outer ring wall of rotating rod 5, and a clamping mechanism 8 is provided on the upper side of mounting rod 7;

[0039] Guide roller 9, there are several guide rollers 9, and they are symmetrically arranged in pairs at equal angles inside the cup body 1. The upper end of the guide roller 9 is screwed onto the cover plate 2 through a bearing.

[0040] The cleaning ring 10 is located on the upper side inside the cup body 1. The cleaning ring 10 is connected to the cover plate 2 through the lifting mechanism 11. Several double-headed nozzles 12 are arranged at equal angles on the bottom wall of the cleaning ring 10. The nozzles on both sides of the double-headed nozzles 12 are respectively inclined downward.

[0041] The telescopic tube 13 has its left end connected to the cleaning ring 10, and its upper end passes through the cover plate 2 and is connected to the external cleaning liquid.

[0042] Example 2:

[0043] See Figure 1-3 As shown, based on Embodiment 1, the clamping mechanism 8 includes:

[0044] A fixed clamping plate 8-1 is welded and fixed to the left end above the outer annular wall of the mounting rod 7. A movable clamping plate 8-6 is provided on the side of the fixed clamping plate 8-1 adjacent to the rotating rod 5. A connecting ring 8-2 is welded and fixed to the lower side of the movable clamping plate 8-6. The connecting ring 8-2 is embedded and movably sleeved in the annular groove on the mounting rod 7. Sealing rings 15 are glued and fixed on both sides of the connecting ring 8-2. The outer wall of the sealing ring 15 abuts against the inner wall of the annular groove on the mounting rod 7, which can increase the sealing between the connecting ring 8-2 and the mounting rod 7 and prevent paint from entering the gap between the mounting rod 7 and the connecting ring 8-2.

[0045] Anti-slip pads 14 are glued and fixed on the side wall adjacent to the fixed clamping plate 8-1 and the movable clamping plate 8-6. The two anti-slip pads 14 are set to abut against each other, which can increase the friction between the fixed clamping plate 8-1, the movable clamping plate 8-6 and the sample fabric, thereby preventing the fabric from detaching from the fixed clamping plate 8-1 and the movable clamping plate 8-6 during dyeing.

[0046] The connecting block 8-3 is welded and fixed to the inner ring wall of the connecting ring 8-2. The connecting block 8-3 is movably disposed in the movable groove on the mounting rod 7. The inner end of the connecting block 8-3 is welded and fixed with a connecting plate 8-4. The connecting plate 8-4 is connected to the clamping motor 8-5 through a support shaft. The clamping motor 8-5 is embedded and fixed in the mounting rod 7.

[0047] Example 3:

[0048] See Figure 1 , Figure 4 As shown, based on Embodiment 1, the lifting mechanism 11 includes:

[0049] Lifting link 11-1, there are several lifting links 11-1, and they are all screwed to the outer top wall of the cleaning ring 10 at equal angles through hinge seats. The other end of the lifting link 11-1 is screwed to a moving block 11-2 through a hinge seat. The moving block 11-2 is slidably set in a groove on the inner top wall of the cover plate 2.

[0050] The lifting screw 11-3 consists of several screws, each corresponding to the other and screwed into the moving block 11-2. The lifting screw 11-3 is screwed into the cover plate 2 through bearings. The inner end of each lifting screw 11-3 is fitted with and welded with a driven bevel gear 11-4.

[0051] The active bevel gear 11-5 is located in the center of the cover plate 2. The active bevel gear 11-5 meshes with several driven bevel gears 11-4. A rotating column 11-6 is inserted into and welded to the center of the active bevel gear 11-5. The rotating column 11-6 is screwed into the cover plate 2 through a bearing. The rotating column 11-6 is movably sleeved on the outside of the telescopic tube 13.

[0052] The lifting motor 11-7 is fixed to the top wall of the cover plate 2 by bolts. The output shaft of the lifting motor 11-7 is inserted into the cover plate 2, and the output shaft of the lifting motor 11-7 is connected to the rotating column 11-6 through the synchronous wheel transmission assembly.

[0053] When using this utility model, open the cover plate 2, start the clamping motor 8-5, the clamping motor 8-5 drives the connecting plate 8-4 to rotate, the connecting plate 8-4 drives the connecting ring 8-2 to rotate through the connecting block 8-3, the connecting ring 8-2 drives the movable clamping plate 8-6 to rotate, so that the movable clamping plate 8-6 and the fixed clamping plate 8-1 are in a separated state. Then place one side of the sample fabric between the fixed clamping plate 8-1 and the movable clamping plate 8-6, and then start the clamping motor 8-5 in reverse. The clamping motor 8-5 drives the connecting plate 8-4 and the connecting block 8-3 to rotate. When the connecting ring 8-2 rotates in the reverse direction, it drives the movable clamping plate 8-6 to move towards one side of the fixed clamping plate 8-1 until the movable clamping plate 8-6 engages with the fixed clamping plate 8-1, thus clamping the fabric. Dye is poured into the cup body 1, and then the threaded ring 3 on the cover plate 2 is inserted into the annular wall of the cup body 1. At this time, the cleaning ring 10 and the guide roller 9 are located inside the cup body 1. The rotating motor 6 is started, and the rotating motor 6 drives the mounting rod 7 to rotate. The mounting rod 7 drives the fabric to rotate through the clamping mechanism 8. During the rotation, the clamping mechanism 8 moves in the corresponding... Two guide rollers 9 pass through, allowing the fabric to pass between corresponding pairs of guide rollers 9. During this process, the fabric is flattened, facilitating dyeing. After dyeing, the fabric is removed and the dye is discharged. Then, the telescopic tube 13 is connected to the external cleaning solution, and the external pump is activated to pump the cleaning solution into the cleaning ring 10. The solution is then sprayed through the double-headed nozzle 12 onto the inner ring wall of the cup body 1, the mounting rod 7, the clamping mechanism 8, and the guide rollers 9, thereby cleaning the cup body 1, the mounting rod 7, the clamping mechanism 8, and the guide rollers 9. Simultaneously, the lifting motor 11-7 is started. The lifting motor 11-7 drives the rotating column 11-6 to rotate through the synchronous wheel transmission assembly. The rotating column 11-6 drives the active bevel gear 11-5 to rotate. The active bevel gear 11-5 drives several driven bevel gears 11-4 to rotate. The driven bevel gears 11-4 drive the lifting screw 11-3 inside each to rotate. The lifting screw 11-3 drives the lifting connecting rod 11-1 to move through the moving block 11-2 on each of them. The other end of the lifting connecting rod 11-1 drives the cleaning ring 10 to move up and down, improving the cleaning effect.

[0054] Compared with the prior art, the beneficial effects of this specific embodiment are as follows:

[0055] 1. After the sample dyeing is completed, the cup body 1 can be cleaned by the cleaning ring 10 and the double-headed nozzle 12 without removing it, which reduces the workload of the staff and improves work efficiency.

[0056] 2. The cleaning ring 10 can move up and down driven by the lifting mechanism 11, causing the dual-head nozzle 12 to move up and down during spraying, thereby improving the cleaning effect.

[0057] 3. A clamping mechanism 8 is set on the rotating rod 5, which can fix the dyed sample fabric on the rotating rod 5. When the rotating rod 5 rotates, it can drive the sample fabric to shuttle through the array of guide rollers 9 that cooperate in pairs, thereby improving the dyeing effect of the sample fabric.

[0058] 4. The anti-slip pads 14 provided on the adjacent side walls of the fixed clamping plate 8-1 and the movable clamping plate 8-6 can increase the tightness of the sample fabric when clamping it, thereby preventing the sample fabric from falling off when the rotating rod 5 drives it to rotate, which would affect the dyeing.

[0059] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high-temperature dyeing sample machine dyeing cup with a self-cleaning structure, comprising a cup body (1), a cover plate (2), and a threaded ring (3), wherein a drain pipe (4) extends through the lower side of the cup body (1), and the drain pipe (4) has a built-in control valve; a cover plate (2) is also provided on the upper side of the cup body (1), and a threaded ring (3) is fixed on the lower surface of the cover plate (2), the threaded ring (3) being inserted into the annular wall of the cup body (1) and connected by a thread; characterized in that: It also includes: Rotating rod (5), the rotating rod (5) is screwed onto the inner bottom wall of the cup body (1) by bearing, and a rotating motor (6) is embedded in the inner bottom wall of the cup body (1), and the output shaft of the rotating motor (6) is connected to the bottom end of the rotating rod (5); Mounting rod (7), which is fixed to the lower side of the outer ring wall of rotating rod (5), and a clamping mechanism (8) is provided on the upper side of mounting rod (7). Guide roller (9), there are several guide rollers (9), and they are arranged symmetrically in pairs at equal angles inside the cup body (1). The upper end of the guide roller (9) is screwed onto the cover plate (2) through a bearing. The cleaning ring (10) is located on the upper side inside the cup body (1). The cleaning ring (10) is connected to the cover plate (2) through the lifting mechanism (11). Several double-headed nozzles (12) are set at equal angles on the bottom wall of the cleaning ring (10). The nozzles on both sides of the double-headed nozzles (12) are respectively inclined downward. Telescopic tube (13), one end of which is connected to the cleaning ring (10), and the other end of which passes through the cover plate (2) and is connected to the external cleaning liquid.

2. The dyeing cup of a high-temperature dyeing machine with a self-cleaning structure according to claim 1, characterized in that: The clamping mechanism (8) includes: A fixed clamping plate (8-1) is fixed on one end of the outer ring wall of the mounting rod (7). A movable clamping plate (8-6) is provided on the side of the fixed clamping plate (8-1) adjacent to the rotating rod (5). A connecting ring (8-2) is fixed on the lower side of the movable clamping plate (8-6). The connecting ring (8-2) is embedded in and movably sleeved in the annular groove on the mounting rod (7). The connecting block (8-3) is fixed on the inner ring wall of the connecting ring (8-2). The connecting block (8-3) is movably set in the movable groove on the mounting rod (7). The inner end of the connecting block (8-3) is fixed with a connecting plate (8-4). The connecting plate (8-4) is connected to the clamping motor (8-5) through a support shaft. The clamping motor (8-5) is embedded and fixed in the mounting rod (7).

3. The dyeing cup of a high-temperature dyeing machine with a self-cleaning structure according to claim 2, characterized in that: Anti-slip pads (14) are fixed on the side wall adjacent to the fixed clamping plate (8-1) and the movable clamping plate (8-6), and the two anti-slip pads (14) are set to abut against each other.

4. A high-temperature dyeing sample cup with a self-cleaning structure according to claim 2, characterized in that: A sealing ring (15) is fixed on both sides of the connecting ring (8-2), and the outer wall of the sealing ring (15) is set to abut against the inner wall of the annular groove on the mounting rod (7).

5. A high-temperature dyeing sample cup with a self-cleaning structure according to claim 1, characterized in that: The lifting mechanism (11) includes: The lifting link (11-1) consists of several links, which are screwed at equal angles to the outer top wall of the cleaning ring (10) via hinge seats. The other end of the lifting link (11-1) is screwed to a moving block (11-2) via a hinge seat. The moving block (11-2) is slidably disposed in a groove on the inner top wall of the cover plate (2). The lifting screw (11-3) consists of several screws, each of which is screwed into the moving block (11-2) by a thread. The lifting screw (11-3) is screwed into the cover plate (2) by a bearing. The inner end of each lifting screw (11-3) is fitted with and fixed with a driven bevel gear (11-4). The active bevel gear (11-5) is located in the center of the cover plate (2). The active bevel gear (11-5) meshes with several driven bevel gears (11-4). A rotating column (11-6) is inserted and fixed in the center of the active bevel gear (11-5). The rotating column (11-6) is screwed into the cover plate (2) through a bearing. The rotating column (11-6) is movably sleeved on the outside of the telescopic tube (13). The lifting motor (11-7) is fixed on the top wall of the cover plate (2). The output shaft of the lifting motor (11-7) is inserted into the cover plate (2), and the output shaft of the lifting motor (11-7) is connected to the rotating column (11-6) through the synchronous wheel transmission assembly.

6. The dyeing cup of a high-temperature dyeing machine with a self-cleaning structure according to claim 1, characterized in that: A scraper (16) is fixed on the lower side of the outer ring wall of the rotating rod (5). The scraper (16) is arranged in an "L" shape, and the outer wall of the scraper (16) abuts against the inner bottom wall and the inner ring wall of the cup body (1).