A drying device for plant dyeing

Abstract

The application discloses a drying device for plant dyeing and relates to the technical field of plant dyeing. The drying device for plant dyeing comprises a drying box, a liquid outlet pipe is fixed to the lower end of the drying box, a box cover is arranged at the upper end of the drying box, a plurality of air inlet holes are formed in one side of the drying box, a sliding groove is formed in one side of the drying box, and a heating coil is arranged on one side of the drying box. A driving motor is fixed to one side of the drying box, a connecting structure is arranged on the driving end of the driving motor, and two adjusting plates are arranged on the connecting structure. The drying device for plant dyeing rotates the fixed rod by the driving of the driving motor, realizes the effect of dynamic drying on one hand, improves the use effect of the drying device as a whole, realizes the effect of automatically scraping off the flow guide in real time on the other hand, improves the use convenience of the drying device, realizes the effect of breathing intermittent ventilation on the third hand, and guarantees the overall drying uniformity of the drying device.

Description

Technical Field

[0001] This invention relates to the field of plant dyeing technology, specifically to a drying device for plant dyeing. Background Technology

[0002] Plant dyeing is a process that uses dyes extracted from natural pigment-containing plants for coloring, using little or no chemical auxiliaries throughout the process, relying solely on natural pigments to complete the dyeing process. In the textile industry, after the yarn package dyeing process is completed, a drying device is required to dehydrate and dry the yarn packages, controlling their moisture content to the standard specified range.

[0003] While existing drying equipment can perform basic drying operations, it still has significant shortcomings when applied to plant-dyed yarn processing. Most existing equipment has fixed exhaust vent diameters, making it difficult to flexibly adjust airflow intensity and internal air pressure according to the drying process. In the initial drying stage, the yarn surface is covered with a large amount of dye liquor and free moisture, requiring high-intensity air pressure to quickly dry the surface liquor and prevent dye liquor accumulation and backflow, which can cause color defects. In the middle and later stages of drying, residual moisture deep within the fibers and core moisture require gentle, slow airflow to ensure uniform dyeing and prevent high-temperature, strong airflow from damaging the pigments. Conventional equipment struggles to perform segmented, adaptive airflow switching, easily leading to rapid surface drying and prolonged internal dampness. This results in uneven drying, significant color differences, dye liquor backflow, and yarn stiffening and pilling, making it difficult to control the finished product's appearance and color fastness. The actual performance fails to meet the requirements of refined dyeing and drying production, thus rendering the drying equipment ineffective.

[0004] Therefore, it is necessary to invent a drying device for plant dyeing to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a drying apparatus for plant dyeing, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a drying device for plant dyeing, including a drying box, a liquid outlet pipe fixed at the lower end of the drying box, a box cover provided at the upper end of the drying box, a plurality of air inlets opened on one side of the drying box, a sliding groove opened on one side of the drying box, and a heating coil provided on one side of the drying box.

[0007] A drive motor is fixed on one side of the drying box. The drive end of the drive motor is provided with a connection structure, and two adjustment plates are provided on the connection structure. The connection structure can slide the two adjustment plates in opposite directions along the length of the chute to dynamically dry the yarn package.

[0008] Preferably, the connecting structure includes a fixed rod, a driving gear fixed to one side of the fixed rod, a driven gear meshing with the driving gear, a fixed frame fixed to the middle of the driven gear, a fan impeller fixed to the middle of the fixed frame, a driving bevel gear fixed to the other end of the fixed rod, a driven bevel gear meshing with the driven bevel gear, a stabilizing seat rotatably connected to the outer surface of the driven bevel gear, a placement frame slidably connected to the inner wall of the driven bevel gear, a bracket provided on the outer surface of the placement frame, a support bracket rotatably connected to the outer surface of the placement frame, springs fixed to the four corners of the lower end of the support bracket, a connecting seat fixed to one side of the support bracket, two connecting frames rotatably connected to the middle of the connecting seat, and an adjusting plate rotatably connected to the other end of each of the two connecting frames.

[0009] Preferably, one end of the fixing rod is fixed to the drive end of the drive motor, and the side of the fixing rod near the drive motor is fixed to the middle of the drive gear. The drive gear meshes with the driven gear. The diameter of the drive gear is larger than the diameter of the driven gear. The middle of the driven gear is hollowed out and fixed to one end of the fixing frame. The outer surface of the fixing frame is rotatably connected to the inner wall of the drying chamber. The vertical section of the fixing frame is T-shaped. The middle of the fan impeller is fixed to the middle of the fixing frame. The fan impeller is located on one side of the heating coil. Both the fan impeller and the heating coil are located on one side of several air inlets.

[0010] Preferably, the end of the fixing rod away from the drive motor is fixed to the middle of the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the outer surface of the driven bevel gear is rotatably connected to the inner wall of the stabilizing seat, one end of the stabilizing seat is fixed to one side of the drying oven, the outer surface of the placement rack is slidably connected to the inner wall of the driven bevel gear, and the inner wall of the support is in contact with the outer surface of the placement rack.

[0011] Preferably, the outer surface of the placement rack is rotatably connected to the inner wall of the middle part of the bracket, the outer surface of the bracket is slidably connected to the inner wall of the drying chamber, the cross-section of the bracket is square, several through holes are opened in the middle of the bracket, springs are fixed at the four corners of the lower end of the bracket, the lower ends of the four springs are fixed to the inner wall of the drying chamber, the two ends of the connecting seat are fixed to one side of the upper end of the bracket, the vertical cross-section of the connecting seat is U-shaped, the middle part of the connecting seat is rotatably connected to the near ends of the two connecting frames, the far ends of the two connecting frames are rotatably connected to the near sides of the two adjusting plates, and the outer surfaces of the two adjusting plates are slidably connected to the inner walls of both sides of the slide groove.

[0012] Preferably, a support frame is fixed to the lower side of the placement rack, and scrapers are fixed to both ends of the support frame. A stabilizing ring is fixed to the other end of the two scrapers, and a stabilizing groove is provided in the middle of the upper side of the bracket.

[0013] Preferably, the middle part of the support frame is fixedly arranged at the lower side of the placement frame, the vertical section of the support frame is arranged in a U shape, two ends of the support frame are fixedly arranged at the adjacent ends of two scrapers, the separated ends of the two scrapers are fixedly arranged at two sides of a stabilizing ring, the transverse section of the stabilizing ring is arranged in an annular shape, the outer surface of the stabilizing ring is rotatably connected to the inner wall of a stabilizing groove, and the outer surfaces of the two scrapers are slidably connected to the upper surface of a bracket.

[0014] Preferably, a guide roller is fixedly arranged at the middle part of a fixed rod, a guide groove is formed in the middle part of the guide roller, a guide rod is slidably connected to the inner wall of the guide groove, a sliding frame is fixedly arranged at one end of the guide rod, and an air outlet is formed at one side of a drying box.

[0015] Preferably, the middle part of the guide roller is fixedly arranged at the middle part of the fixed rod, the guide groove is obliquely and closedly formed in the middle part of the guide roller, the outer surface of the guide rod is slidably connected to the inner wall of the guide groove, and the vertical section of the guide rod is arranged in a T shape.

[0016] Preferably, one end of the guide rod is fixedly arranged at the middle part of the sliding frame, the vertical section of the sliding frame is arranged in a T shape, the outer surface of the sliding frame is slidably connected to the inner wall of the air outlet, the section of the air outlet is arranged in a Chinese character "zhong" shape, and the air outlet penetrates one side of the drying box.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] (1) The present invention can achieve the effect of dynamic drying, adaptively complete dynamic adjustment of the width of the air duct and the wind speed, achieve rapid air drying of the surface layer in the early stage and slow deep drying of the inner layer in the later stage, no manual intervention and electric control adjustment are required in the whole process, can accurately adapt to the requirements of sectional drying processes, and effectively improve the overall use effect of the drying device;

[0019] (2) The present invention can achieve the effect of real-time automatic scraping and diversion of residue and accumulated liquid during the drying process, no manual separate cleaning and maintenance are required, effectively reduces the operation and maintenance workload, and greatly improves the use convenience of the drying device;

[0020] (3) The present invention has the effect of respiratory intermittent ventilation, through the dynamic cycle of heat storage and moisture infiltration, pressure relief and moisture discharge, the hot air penetration effect is greatly improved, and the overall drying uniformity of the drying device is guaranteed. Description of Drawings

[0021] Figure 1 is an overall structural diagram of the present invention;

[0022] Figure 2 is a partial structural sectional view of the present invention;

[0023] Figure 3 is a top sectional view of the drying box of the present invention;

[0024] Figure 4 is the present invention Figure 3Enlarged view of the structure of section A in the middle;

[0025] Figure 5 This is a side cross-sectional view of the drying oven of the present invention;

[0026] Figure 6 For the present invention Figure 5 Enlarged view of the structure of section B in the middle;

[0027] Figure 7 This is a schematic diagram of the sliding frame structure of the present invention;

[0028] Figure 8 For the present invention Figure 7 Enlarged view of the structure of section C;

[0029] Figure 9 This is a partial structural diagram of the present invention;

[0030] Figure 10 This is a schematic diagram of the support structure of the present invention.

[0031] In the diagram: 1. Drying oven; 2. Liquid outlet pipe; 3. Oven cover; 4. Air inlet; 5. Slide groove; 6. Heating coil; 7. Drive motor; 8. Fixing rod; 9. Driving gear; 10. Driven gear; 11. Fixing frame; 12. Fan impeller; 13. Driving bevel gear; 14. Driven bevel gear; 15. Stabilizing seat; 16. Placement rack; 17. Support; 18. Bracket; 19. Spring; 20. Connecting seat; 21. Connecting frame; 22. Adjusting plate; 23. Support frame; 24. Scraper; 25. Stabilizing ring; 26. Stabilizing groove; 27. Guide roller; 28. Guide groove; 29. ​​Guide rod; 30. Sliding frame; 31. Air outlet. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1

[0034] This embodiment provides a drying device for plant dyeing;

[0035] Please see Figure 1 - Figure 10As shown, the device includes a drying chamber 1, a liquid outlet pipe 2 fixed at the lower end of the drying chamber 1, a chamber cover 3 at the upper end of the drying chamber 1, several air inlets 4 on one side of the drying chamber 1, a sliding groove 5 on one side of the drying chamber 1, and a heating coil 6 on one side of the drying chamber 1. A drive motor 7 is fixed on one side of the drying chamber 1, and the drive end of the drive motor 7 is provided with a connecting structure, which includes a fixing rod 8. A drive gear 9 is fixed on one side of the fixing rod 8, and the drive gear 9 is meshed with a driven gear 10. A fixing rod is fixed in the middle of the driven gear 10. A fan impeller 12 is fixed in the middle of the frame 11. A driving bevel gear 13 is fixed at the other end of the fixed rod 8. The driving bevel gear 13 is meshed with a driven bevel gear 14. A stabilizing seat 15 is rotatably connected to the outer surface of the driven bevel gear 14. A placement frame 16 is slidably connected to the inner wall of the driven bevel gear 14. A bracket 17 is provided on the outer surface of the placement frame 16. A bracket 18 is rotatably connected to the outer surface of the placement frame 16. Springs 19 are fixed at the four corners of the lower end of the bracket 18. A connecting seat 20 is fixed on one side of the bracket 18. The middle section has two connecting frames 21, each with an adjusting plate 22 rotatably connected to its other end. The adjusting plates 22 dynamically adjust according to the weight of the yarn package. Combined with the integrated drive of the rotating fan impeller 12 and the placement frame 16, this achieves adaptive linkage operation throughout the drying process. When the initial liquid content of the yarn package is high and its weight is at its maximum, the adjusting plates 22 move closer together to form a narrow slit air duct. The high-speed rotation of the fan impeller 12 delivers hot air, which is accelerated by the narrow tube effect, creating a rapid airflow that, combined with the centrifugal force of the rotation of the placement frame 16, quickly... The dyeing liquid on the surface of the yarn is spun dry and blown dry. As the drying process progresses, the weight of the yarn gradually decreases. The adjusting plate 22 gradually separates with the spring 19, the air duct widens, and the wind speed slows down to a gentle breeze. At this time, the fan impeller 12 continues to deliver air and the placement frame 16 rotates stably. The gentle breeze fully penetrates the core layer of the yarn with the help of the centrifugal force of rotation, thoroughly drying the residual moisture inside. The three work together without manual intervention to achieve a seamless switch from surface quick drying to inner deep drying, taking into account both drying efficiency and finished product quality, and greatly improving the automation and adaptability of the equipment.

[0036] Please refer to it again. Figure 1 - Figure 10As shown, one end of the fixing rod 8 is fixed to the drive end of the drive motor 7. The side of the fixing rod 8 closest to the drive motor 7 is fixed to the middle of the drive gear 9. The drive gear 9 meshes with the driven gear 10. The diameter of the drive gear 9 is larger than the diameter of the driven gear 10. The middle of the driven gear 10 is hollowed out. The middle of the driven gear 10 is fixed to one end of the fixing frame 11. The outer surface of the fixing frame 11 is rotatably connected to the inner wall of the drying chamber 1. The vertical section of the fixing frame 11 is T-shaped. The middle of the fan impeller 12 is fixed to the middle of the fixing frame 11. The fan impeller 12 is located on one side of the heating coil 6. Both the fan impeller 12 and the heating coil 6 are located on one side of several air inlets 4. The end of the fixing rod 8 furthest from the drive motor 7 is fixed to the middle of the drive bevel gear 13. The drive bevel gear 13 meshes with the driven bevel gear 14. The outer surface of the driven bevel gear 14 is rotatably connected to the stable seat. The inner wall of the 15 stabilizer is fixed at one end to one side of the drying oven 1. The outer surface of the placement rack 16 is slidably connected to the inner wall of the driven bevel gear 14. The inner wall of the bracket 17 is in contact with the outer surface of the placement rack 16. The outer surface of the placement rack 16 is rotatably connected to the inner wall of the middle part of the bracket 18. The outer surface of the bracket 18 is slidably connected to the inner wall of the drying oven 1. The cross-section of the bracket 18 is square. Several through holes are opened in the middle of the bracket 18. Springs 19 are fixed at the four corners of the lower end of the bracket 18. The lower ends of the four springs 19 are fixed to the inner wall of the drying oven 1. The two ends of the connecting seat 20 are fixed to one side of the upper end of the bracket 18. The vertical cross-section of the connecting seat 20 is U-shaped. The middle part of the connecting seat 20 is rotatably connected to the near ends of the two connecting frames 21. The far ends of the two connecting frames 21 are rotatably connected to the near sides of the two adjusting plates 22. The outer surfaces of the two adjusting plates 22 are slidably connected to the inner walls of both sides of the slide groove 5.

[0037] The specific implementation process is as follows: First, the yarn package to be dried is placed on the support rod of the bracket 17 and then locked in place with bolts; then, the bracket 17 containing the yarn package is placed on the placement rack 16 inside the drying chamber 1. At this time, the liquid content of the yarn package is at its maximum and the overall weight reaches its peak. The placement rack 16 is pressed down on the bracket 18. Under the limiting and guiding of the inner wall of the drying chamber 1, the bracket 18 fully compresses the springs 19 fixed at the four corners at the lower end; after the springs 19 are compressed to the maximum extent, the bracket 18, relying on the fixed connecting seat 20 and connecting frame 21, drives the two adjusting plates 22 to slide along the sliding groove 5, so that the two adjusting plates 22 move closer to each other and leave a certain ventilation gap. After loading is completed, the box cover 3 is closed. Then, the fixed rod 8 is driven by the drive motor 7 to rotate. The fixed rod 8 drives the fixed drive gear 9 on one side to rotate. The drive gear 9 meshes with and drives the driven gear 10 to rotate. Because the diameter of the drive gear 9 is larger than that of the driven gear 10, a speed-increasing transmission is formed, which causes the hollow driven gear 10 in the middle to drive the fixed frame 11 to rotate at high speed, thereby driving the fan impeller 12 to rotate at high speed synchronously. When the fan impeller 12 is rotating, it draws in outside air through several air inlets 4. After the air flows through the heating coil 6 to be heated, it is sent into the drying box 1 through the hollow channel between the fan impeller 12 and the driven gear 10.

[0038] Meanwhile, the active bevel gear 13 fixed at the other end of the fixed rod 8 rotates synchronously. The rotating active bevel gear 13 meshes with and drives the driven bevel gear 14 to rotate. The driven bevel gear 14 drives the placement frame 16 to rotate smoothly along the inner wall of the bracket 18, thereby driving the support 17 carrying the yarn package to rotate as a whole. Relying on the centrifugal force generated by the rotation and the hot air flow, the spin-drying and air-drying operations of the dye liquor on the surface of the yarn package are completed simultaneously. In the initial stage of drying, the two adjusting plates 22 move closer to each other to form a narrow slit air channel. When the airflow passes through, it generates a narrow tube effect, which accelerates the hot air flow rate and uses high-intensity gusts to quickly dry the dye liquor attached to the surface of the yarn package. As the centrifugal spin-drying and hot air drying continue, the liquid content of the yarn package gradually decreases and its weight continuously decreases. The compressed spring 19 gradually rebounds and lifts the bracket 18. When the bracket 18 moves upward, it is linked to the connecting frame 21 through the connecting seat 20, which pulls the two adjusting plates 22 to gradually separate from each other along the slide groove 5. The opening of the air duct increases accordingly, the hot air flow rate slows down, and turns into a gentle breeze that penetrates into the inner layer of the yarn package to deeply dry the residual dye liquor and moisture inside. This device achieves the effect of dynamic drying by relying on the weight reduction of the yarn package drying. It adaptively completes the dynamic adjustment of the air duct width and wind speed. In the early stage, the high wind speed dries the surface layer, and in the later stage, the gentle wind deeply dries the inner layer. No manual intervention or electronic control adjustment is required throughout the process. It accurately adapts to the needs of the segmented drying process and effectively improves the overall performance of the drying device.

[0039] Example 2

[0040] During the drying process of yarn packages, residual dyeing liquid dripping from the surface of the yarn packages tends to accumulate inside the drying chamber. Under high temperatures, the dyeing liquid quickly dries and solidifies, forming stubborn deposits and stains that adhere to the inner walls. Manually cleaning this dried residue is difficult and time-consuming, increasing subsequent maintenance workload and easily leading to scale buildup and re-dyeing, affecting the color of subsequent drying cycles. Therefore, an automated slag removal and cleaning structure is needed to scrape and guide residual dyeing liquid in real time, preventing drying and deposition, and significantly improving the ease of use of the drying equipment.

[0041] Please see Figure 1 - Figure 10 As shown, a real-time automatic scraping and diversion function has been added based on Embodiment 1;

[0042] Please refer to it again. Figure 1 - Figure 10As shown, a support frame 23 is fixed to the lower side of the placement frame 16. Scrapers 24 are fixed to both ends of the support frame 23. A stabilizing ring 25 is fixed to the other end of the two scrapers 24. A stabilizing groove 26 is opened in the middle of the upper side of the bracket 18. The middle part of the support frame 23 is fixed to the lower side of the placement frame 16. The vertical section of the support frame 23 is U-shaped. The two ends of the support frame 23 are fixed to the near ends of the two scrapers 24. The far ends of the two scrapers 24 are fixed to both sides of the stabilizing ring 25. The cross section of the stabilizing ring 25 is circular. The outer surface of the stabilizing ring 25 is rotatably connected to the inner wall of the stabilizing groove 26. The outer surfaces of the two scrapers 24 are slidably connected to the upper surface of the bracket 18.

[0043] The specific implementation process is as follows: The drive motor 7 drives the fixed rod 8 to rotate, causing the active bevel gear 13 fixed to the end of the fixed rod 8 to rotate synchronously; the rotating active bevel gear 13 meshes with and drives the driven bevel gear 14 to rotate, and the driven bevel gear 14, under the limiting support of the stabilizing seat 15, drives the placement frame 16 to rotate smoothly. The rotating placement frame 16 synchronously drives the support frame 23 fixedly connected to the lower side to rotate accordingly, thereby causing the scrapers 24 installed at both ends of the support frame 23 to perform synchronous circumferential motion; the stabilizing rings 25 provided on the outer side of the two scrapers 24 slide in cooperation with the stabilizing grooves 26 opened at the upper end of the bracket 18 to achieve full-process guidance and limiting, ensuring that the scrapers 24 operate smoothly without deviation. During operation, the scraper 24 attached to the upper surface of the through hole of the bracket 18 continuously scrapes away the accumulated residual dyeing liquid, and guides the liquid to the through hole position, so that the dyeing liquid can quickly flow to the lower part through the through hole and be discharged smoothly from the liquid outlet pipe 2 in a timely manner; thus, the real-time automatic scraping and guiding effect of residual liquid during the drying process is achieved, eliminating the need for manual cleaning and maintenance, effectively reducing the workload of operation and maintenance, and greatly improving the ease of use of the drying device.

[0044] Example 3

[0045] During the yarn drying process, continuous ventilation and pressure relief are required inside the drying chamber. Conventional open-type pressure relief structures cannot accumulate effective air pressure, causing hot air to flow only on the surface of the chamber and failing to penetrate deep into the yarn core. This leads to uneven drying, with the surface drying while the interior remains damp. Therefore, an intermittently opening and closing breathing-type ventilation structure is adopted to improve overall drying uniformity.

[0046] Please see Figure 1 - Figure 10 As shown, the function of intermittent respiratory ventilation has been added based on Embodiment 1;

[0047] Please refer to it again. Figure 2 - Figure 10As shown, a guide roller 27 is fixed to the middle of a fixed rod 8, a guide groove 28 is provided in the middle of the guide roller 27, a guide rod 29 is slidably connected to the inner wall of the guide groove 28, a sliding frame 30 is fixed at one end of the guide rod 29, an air outlet 31 is opened at one side of a drying box 1, the guide roller 27 is fixed in the middle of the fixed rod 8, the guide groove 28 is a closed inclined opening provided in the middle of the guide roller 27, the outer surface of the guide rod 29 is slidably connected to the inner wall of the guide groove 28, the vertical section of the guide rod 29 is arranged in a T shape, one end of the guide rod 29 is fixed in the middle of the sliding frame 30, the vertical section of the sliding frame 30 is arranged in a T shape, the outer surface of the sliding frame 30 is slidably connected to the inner wall of the air outlet 31, the cross section of the air outlet 31 is arranged in a shape of a Chinese character "zhong", and the air outlet 31 penetrates one side of the drying box 1.

[0048] The specific implementation process is as follows: the fixed rod 8 is driven to rotate by the driving motor 7, so that the guide roller 27 fixed in the middle of the fixed rod 8 rotates synchronously therewith; the guide rod 29 slidably connected therein is continuously pressed by virtue of the closed and inclined guide groove 28 arranged on the outer periphery of the guide roller 27, so as to form regular reciprocating pressing.

[0049] The guide rod 29 drives the sliding frame 30 fixed at the other end to perform stable reciprocating sliding under the limiting guidance of the inner wall of the air outlet 31; the sliding frame 30 periodically blocks and opens the air outlet 31. In the closed pressure accumulation stage, a slight positive pressure is formed in the cavity, which strengthens the penetration of hot air into the yarn fibers and the core, and takes out the residual moisture and medicine liquid inside; in the open pressure relief stage, high-humidity steam is quickly discharged out of the cavity, and a one-way air flow is formed by relying on constant air intake, so as to avoid backflow moisture accumulation. The effect of breathing type intermittent air exchange is achieved, and through the dynamic circulation of heat accumulation and moisture infiltration, pressure relief and moisture discharge, the hot air penetration effect is greatly improved, and the overall drying uniformity of the drying device is guaranteed.

[0050] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drying apparatus for plant dyeing, comprising a drying chamber (1), characterized in that: The lower end of the drying box (1) is fixed with a liquid outlet pipe (2), the upper end of the drying box (1) is provided with a box cover (3), a number of air inlets (4) are opened on one side of the drying box (1), a sliding groove (5) is opened on one side of the drying box (1), and a heating coil (6) is provided on one side of the drying box (1). A drive motor (7) is fixed on one side of the drying box (1). The drive end of the drive motor (7) is provided with a connection structure. Two adjustment plates (22) are provided on the connection structure. The connection structure can slide in the opposite direction of the length of the groove (5) with the two adjustment plates (22) to dynamically dry the yarn.

2. The drying apparatus for plant dyeing according to claim 1, characterized in that: The connecting structure includes a fixed rod (8), a driving gear (9) fixed on one side of the fixed rod (8), a driven gear (10) meshing with the driving gear (9), a fixed frame (11) fixed in the middle of the driven gear (10), a fan impeller (12) fixed in the middle of the fixed frame (11), a driving bevel gear (13) fixed at the other end of the fixed rod (8), a driven bevel gear (14) meshing with the driving bevel gear (13), and a rotatable connecting rod (14) on the outer surface of the driven bevel gear (14). The seat (15) has a slidably connected placement frame (16) on the inner wall of the driven bevel gear (14). The outer surface of the placement frame (16) is provided with a bracket (17). The outer surface of the placement frame (16) is rotatably connected with a bracket (18). Springs (19) are fixed at the four corners of the lower end of the bracket (18). A connecting seat (20) is fixed on one side of the bracket (18). Two connecting frames (21) are rotatably connected in the middle of the connecting seat (20). An adjusting plate (22) is rotatably connected to the other end of each of the two connecting frames (21).

3. The drying device for plant dyeing according to claim 2, characterized in that: One end of the fixing rod (8) is fixed to the driving end of the drive motor (7). The fixing rod (8) is fixed to the middle of the drive gear (9) near the drive motor (7). The drive gear (9) meshes with the driven gear (10). The diameter of the drive gear (9) is larger than the diameter of the driven gear (10). The middle of the driven gear (10) is hollowed out. The middle of the driven gear (10) is fixed to one end of the fixing frame (11). The outer surface of the fixing frame (11) is rotatably connected to the inner wall of the drying box (1). The vertical section of the fixing frame (11) is T-shaped. The middle of the fan impeller (12) is fixed to the middle of the fixing frame (11). The fan impeller (12) is located on one side of the heating coil (6). The fan impeller (12) and the heating coil (6) are both located on one side of several air inlets (4).

4. A drying apparatus for plant dyeing according to claim 2, characterized in that: The fixed rod (8) is fixed at the middle of the active bevel gear (13) away from the drive motor (7). The active bevel gear (13) meshes with the driven bevel gear (14). The outer surface of the driven bevel gear (14) is rotatably connected to the inner wall of the stabilizing seat (15). One end of the stabilizing seat (15) is fixed to one side of the drying box (1). The outer surface of the placement rack (16) is slidably connected to the inner wall of the driven bevel gear (14). The inner wall of the bracket (17) is in contact with the outer surface of the placement rack (16).

5. A drying apparatus for plant dyeing according to claim 2, characterized in that: The outer surface of the placing rack (16) is rotatably connected to the inner wall of the middle part of the bracket (18), the outer surface of the bracket (18) is slidably connected to the inner wall of the drying box (1), the cross section of the bracket (18) is arranged in a square shape, a plurality of through holes are formed in the middle part of the bracket (18), springs (19) are fixed at four corners of the lower end of the bracket (18), the lower ends of the four springs (19) are fixed to the inner wall of the drying box (1), two ends of the connecting seat (20) are fixed to one side of the upper end of the bracket (18), the vertical section of the connecting seat (20) is arranged in a U shape, the middle part of the connecting seat (20) is rotatably connected to the adjacent ends of two connecting frames (21), the opposite ends of the two connecting frames (21) are rotatably connected to the adjacent sides of two adjusting plates (22), and the outer surfaces of the two adjusting plates (22) are slidably connected to the inner walls on two sides of the sliding chute (5).

6. A drying apparatus for plant dyeing according to claim 2, characterized in that: A support frame (23) is fixed on the lower side of the placing rack (16), scraping plates (24) are fixed at two ends of the support frame (23), a stabilizing ring (25) is fixed at the other ends of the two scraping plates (24), and a stabilizing groove (26) is formed in the middle of the upper side of the bracket (18).

7. A drying apparatus for plant dyeing according to claim 6, characterized in that: The middle part of the support frame (23) is fixed on the lower side of the placing rack (16), the vertical section of the support frame (23) is arranged in a U shape, two ends of the support frame (23) are fixed at the adjacent ends of the two scraping plates (24), the opposite ends of the two scraping plates (24) are fixed on two sides of the stabilizing ring (25), the cross section of the stabilizing ring (25) is arranged in an annular shape, the outer surface of the stabilizing ring (25) is rotatably connected to the inner wall of the stabilizing groove (26), and the outer surfaces of the two scraping plates (24) are slidably connected to the upper surface of the bracket (18).

8. A drying apparatus for plant dyeing according to claim 2, characterized in that: A guide roller (27) is fixed in the middle of the fixed rod (8), a guide groove (28) is formed in the middle of the guide roller (27), a guide rod (29) is slidably connected to the inner wall of the guide groove (28), a sliding frame (30) is fixed at one end of the guide rod (29), and an air outlet (31) is formed in one side of the drying box (1).

9. A drying apparatus for plant dyeing according to claim 8, characterized in that: The middle part of the guide roller (27) is fixed in the middle of the fixed rod (8), the guide groove (28) is obliquely and closedly formed in the middle part of the guide roller (27), the outer surface of the guide rod (29) is slidably connected to the inner wall of the guide groove (28), and the vertical section of the guide rod (29) is arranged in a T shape.

10. A drying apparatus for plant dyeing according to claim 8, characterized in that: One end of the guide rod (29) is fixed in the middle of the sliding frame (30), the vertical section of the sliding frame (30) is arranged in a T shape, the outer surface of the sliding frame (30) is slidably connected to the inner wall of the air outlet (31), the cross section of the air outlet (31) is arranged in a Chinese character "zhong" shape, and the air outlet (31) penetrates through one side of the drying box (1).

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