Polyester-cotton fabric cation dyeing device

Abstract

The utility model discloses a polyester-cotton fabric cation dyeing device which comprises a box body, a partition plate is arranged on the lower portion of the inner wall of the box body, a motor is fixedly installed in the middle of the bottom end of the partition plate, an output shaft of the motor penetrates through the partition plate and is fixedly connected with a stirring rod, and an upper-layer stirring paddle and a lower-layer stirring paddle are arranged outside the stirring rod respectively. Strip-shaped through grooves are formed in the upper portions of the two sides of the box body, and first supporting rods are welded to the positions, above and below the strip-shaped through grooves, of the inner walls of the two sides of the box body. The device is provided with a unique upper and lower layer stirring paddle structure, a multidirectional spray head and a flow controller, so that dye liquor can fully flow and be mixed, uniform spraying of dye is ensured, the dyeing uniformity is improved, chromatic aberration and local unevenness are avoided, and the dyeing quality is improved; meanwhile, the device is provided with a perfect dye liquor circulating system which comprises a filter, a circulating pump, a liquid separation box and other components, impurities can be effectively removed, dye liquor recycling is achieved, dye waste is reduced, the purity and stability of the dye liquor are guaranteed, and the dyeing effect and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of textile dyeing, in particular to a cationic dyeing device for polyester-cotton fabrics. Background Art

[0002] In today's textile industry, polyester-cotton fabrics are favored due to their good properties and wide applications.

[0003] However, in the dyeing process of polyester-cotton fabrics, traditional dyeing devices usually have poor stirring effect, and the dye liquor cannot fully flow and mix, resulting in uneven distribution of dye liquor concentration, which directly affects the uniformity and quality of fabric dyeing, and is prone to color difference and unsatisfactory local dyeing effects; at the same time, the dye spraying method is not scientific enough and cannot evenly cover the fabric surface, resulting in the fabric dyeing effect is difficult to achieve the expected, and cannot meet the market demand for high-quality dyed fabrics; moreover, the recycling and filtration mechanism of the dye liquor is not perfect, and impurities cannot be effectively removed, which not only affects the dyeing quality, but also causes waste of dye liquor and increases production costs.

[0004] Therefore, we propose a cationic dyeing device for polyester-cotton fabrics. Utility Model Content

[0005] The main purpose of the utility model is to provide a cationic dyeing device for polyester-cotton fabrics, which can prevent the poor stirring effect of traditional dyeing devices, resulting in the inability of dye liquor to fully flow and mix, and the uneven distribution of dye liquor concentration, which affects the dyeing uniformity and quality of the fabric, and produces color difference and unsatisfactory local dyeing effects; prevent the unscientific dye spraying method from failing to evenly cover the fabric surface, resulting in the fabric dyeing effect failing to meet expectations; prevent the dye liquor recycling and filtration mechanism from being imperfect, and imperfectly removing impurities, which not only affects the dyeing quality, but also causes dye liquor waste and increases production costs, thereby improving the quality and efficiency of polyester-cotton fabric dyeing, meeting the market demand for high-quality dyed fabrics, reducing production costs, and effectively solving the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A cationic dyeing device for polyester-cotton fabrics comprises a box body, a partition is provided at the lower part of the inner wall of the box body, a motor is fixedly installed at the middle part of the bottom end of the partition, the output shaft of the motor passes through the partition and is fixedly connected to a stirring rod, and an upper stirring paddle and a lower stirring paddle are respectively provided on the outside of the stirring rod;

[0008] On both upper sides of the box body, strip-shaped through grooves are provided. On the inner walls of both sides of the box body and above and below the strip-shaped through grooves, first support rods are welded. The other ends of the first support rods are fixedly installed with first liquid collecting boxes. Multiple first spray heads are connected to the inclined surfaces of the first liquid collecting boxes away from the first support rods. On the inner wall of the top of the box body, multiple second support rods are welded. The bottom ends of the second support rods are fixedly installed with second liquid collecting boxes. Multiple second spray heads are connected to the bottom ends of the second liquid collecting boxes. Flow controllers are provided on both the second spray heads and the first spray heads;

[0009] A liquid discharge port is provided at the top end of the partition plate. On the inner wall of the bottom end of the box body, a filter, a circulation pump, and a liquid distribution box are fixedly installed. The filter includes a cylinder body, a support filter basket, and a filter bag. The suction end of the circulation pump is fixedly connected with a first connecting pipe. The end of the first connecting pipe away from the circulation pump is fixedly installed at the lower part of one side of the filter and is communicated with the inside of the filter. The top end of the filter is fixedly connected with a second connecting pipe. The top end of the second connecting pipe is communicated with the liquid discharge port. The discharge end of the circulation pump is fixedly installed with a third connecting pipe. The end of the third connecting pipe away from the circulation pump is fixedly installed at one side of the liquid distribution box and is communicated with the inside of the liquid distribution box. Multiple liquid distribution pipes are fixedly connected to the other side of the liquid distribution box. The ends of the liquid distribution pipes away from the liquid distribution box are respectively communicated with the first liquid collecting box and the second liquid collecting box.

[0010] By adopting the above technical solutions, first, the polyester-cotton fabric to be dyed is evenly conveyed into the box body through the strip-shaped through grooves on both sides of the box body. The motor is started, and the motor drives the stirring rod to rotate, so that the upper stirring paddle pushes the dye liquor from the center to the outside, and the lower stirring paddle sucks the dye liquor from the periphery to the center, forming a strong turbulent flow, promoting the full flow and mixing of the dye liquor in the box body; the dyes are respectively sprayed out from the first spray heads on the first liquid collecting boxes on both sides of the box body and the second spray heads on the second liquid collecting box at the top of the box body. The flow controller can control the dye spraying flow of each spray head to ensure that the dyes are evenly sprayed on the fabric, realizing the overall dyeing of the fabric; during the conveyance of the fabric, the dye liquor is discharged through the liquid discharge port at the top end of the partition plate. The discharged dye liquor enters the filter. The cylinder body, the support filter basket, and the filter bag in the filter cooperate to filter out the impurities in the dye liquor. The filtered dye liquor is sucked in under the action of the circulation pump through the first connecting pipe, and then is conveyed to the liquid distribution box through the third connecting pipe. The liquid distribution box distributes the filtered dye liquor to the first liquid collecting box and the second liquid collecting box respectively through multiple liquid distribution pipes, realizing the recycling of the dye liquor, ensuring the uniformity and stability of the dye liquor during the dyeing process, and thus improving the dyeing effect and quality.

[0011] Furthermore, the upper stirring paddle is located directly above the lower stirring paddle, and the upper stirring paddle and the lower stirring paddle rotate in opposite directions.

[0012] By adopting the above technical solution, when the motor drives the stirring rod to rotate, the upper stirring paddle pushes the dye liquor from the center to the outside, while the lower stirring paddle sucks from the periphery to the center. Since their rotation directions are opposite, a more complex and intense turbulence will be formed in the dye liquor. This turbulence is conducive to the more sufficient mixing and flowing of the dye liquor in the box body, enabling the dye to be more evenly dispersed throughout the dye liquor, thereby ensuring that all parts of the polyester-cotton fabric can contact the uniform dye during the dyeing process, improving the uniformity and quality of dyeing. At the same time, the strong stirring effect also helps to promote the full contact and reaction between the dye and the fabric fibers, accelerating the dyeing speed, improving production efficiency, and enabling the filtered dye liquor to be more quickly and evenly mixed with the original dye liquor in the box body during the process of dye liquor circulation and filtration, maintaining the consistency of the dye liquor properties.

[0013] Further, both sides of the box body are fixedly connected with support plates, the top ends of the support plates are fixedly connected with two groups of relatively parallel support frames, and the inner sides of the support frames are rotatably connected with two parallel auxiliary rollers through bearings.

[0014] By adopting the above technical solution, when the polyester-cotton fabric enters the box body from the strip-shaped groove, it will first pass through the auxiliary rollers. The auxiliary rollers are rotatably connected with the support frames through bearings, which can reduce the friction during the fabric transmission, making the fabric transmission smoother. The two parallel auxiliary rollers can better maintain the stability of the fabric transmission, preventing the fabric from shifting or wrinkling during the transmission, so as to ensure that the fabric can accurately and smoothly enter the box body for dyeing treatment.

[0015] Further, the support filter baskets are vertically arranged in the cylinder body and there are four groups, and the filter bags are installed in the support filter baskets.

[0016] By adopting the above technical solution, the filter bags are installed in the support filter baskets, which can be well fixed and supported, ensuring that the filter bags will not deform or shift due to the flow of the dye liquor during the filtration process, thus guaranteeing the filtration effect and stability. The combination of four groups of support filter baskets and filter bags can more effectively intercept impurities in the dye liquor, improve the purity of the dye liquor, and provide high-quality dye liquor conditions for the subsequent dyeing process.

[0017] Further, one end of the box body is provided with a feed pipe, and a regulating valve is arranged on the feed pipe.

[0018] By adopting the above technical solution, by adjusting the opening degree of the regulating valve, the amount of dye liquor input into the box body can be accurately controlled to meet different dyeing process requirements and formulation ratios, thereby ensuring the accuracy and stability of the dyeing effect.

[0019] Further, support legs are fixedly installed at the four corners of the bottom end of the box body.

[0020] By adopting the above technical solution, the box body can be stably placed on the ground or the working platform, preventing shaking or toppling during the dyeing process due to the vibration of the equipment or the influence of external forces.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] (1) The cationic dyeing device for polyester-cotton fabrics of the utility model adopts a unique upper and lower layer stirring paddle structure, which can make the dye liquor fully flow and mix in the box body, forming strong turbulence. Combined with the multi-directionally arranged nozzles and the flow controller, it ensures that the dye is evenly sprayed on all parts of the fabric, significantly improving the dyeing uniformity, avoiding problems of color difference and local uneven dyeing, and greatly enhancing the dyeing quality of polyester-cotton fabrics.

[0023] (2) The cationic dyeing device for polyester-cotton fabrics of the utility model is equipped with a complete dye liquor circulation system, including components such as a filter, a circulation pump, and a liquid distribution box. The dye liquor enters the filter through the drain port, and the cylinder body, the support filter basket, and the filter bag therein effectively remove impurities. The filtered dye liquor is redistributed to each liquid collection box under the action of the circulation pump, realizing the recycling of the dye liquor, not only reducing the waste of dyes, but also ensuring the purity and stability of the dye liquor during the dyeing process, thereby improving the dyeing effect and quality. Description of the Drawings

[0024] Figure 1 It is a schematic structural diagram of a cationic dyeing device for polyester-cotton fabrics of the utility model.

[0025] Figure 2 It is a schematic internal structure diagram of a cationic dyeing device for polyester-cotton fabrics of the utility model.

[0026] Figure 3 It is a schematic structural diagram of a filter of a cationic dyeing device for polyester-cotton fabrics of the utility model.

[0027] In the figure: 1. Box body; 2. Partition board; 3. Motor; 4. Stirring rod; 5. Upper layer stirring paddle; 6. Lower layer stirring paddle; 7. First support rod; 8. First liquid collection box; 9. First nozzle; 10. Flow controller; 11. Filter; 12. Circulation pump; 13. Liquid distribution box; 14. Cylinder body; 15. Support filter basket; 16. Filter bag; 17. First connecting pipe; 18. Second connecting pipe; 19. Third connecting pipe; 20. Liquid distribution pipe; 21. Second support rod; 22. Second liquid collection box; 23. Second nozzle; 24. Strip-shaped through groove; 25. Support plate; 26. Support frame; 27. Auxiliary roller; 28. Feeding pipe; 29. Regulating valve; 30. Support leg; 31. Drain port. Detailed Embodiments

[0028] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0029] To prevent the poor stirring effect of the traditional dyeing device, resulting in the insufficient flow and mixing of the dye liquor, uneven distribution of the dye liquor concentration, affecting the uniformity and quality of fabric dyeing, producing color difference and unsatisfactory local dyeing effect; to prevent the unscientific dye spraying method, which cannot evenly cover the fabric surface, resulting in the dyeing effect of the fabric not meeting the expectation; to prevent the imperfect recycling and filtration mechanism of the dye liquor, which cannot effectively remove impurities, affecting the dyeing quality and causing waste of the dye liquor, increasing the production cost. Thus, the quality and efficiency of polyester-cotton fabric dyeing are improved, the market demand for high-quality dyed fabrics is met, and the production cost is reduced. As Figure 1 , Figure 2 , Figure 3 shown, a cationic dyeing device for polyester-cotton fabric includes a box body 1. A partition 2 is provided at the lower part of the inner wall of the box body 1. A motor 3 is fixedly installed in the middle of the bottom end of the partition 2. The output shaft of the motor 3 penetrates through the partition 2 and is fixedly connected with a stirring rod 4. Upper stirring paddles 5 and lower stirring paddles 6 are respectively arranged on the outer part of the stirring rod 4;

[0030] Strip-shaped through grooves 24 are respectively opened at the upper parts of both sides of the box body 1. First support rods 7 are welded on the inner walls of both sides of the box body 1 and above and below the strip-shaped through grooves 24. The other ends of the first support rods 7 are fixedly installed with first liquid collecting boxes 8. Multiple groups of first spray heads 9 are connected to the inclined surface of the first liquid collecting box 8 away from the first support rod 7. Multiple groups of second support rods 21 are welded on the inner wall of the top end of the box body 1. The bottom ends of the second support rods 21 are fixedly installed with second liquid collecting boxes 22. Multiple groups of second spray heads 23 are connected to the bottom ends of the second liquid collecting boxes 22. Flow controllers 10 are provided on both the second spray heads 23 and the first spray heads 9;

[0031] A drain port 31 is provided at the top end of the partition plate 2. The inner wall of the bottom end of the box body 1 is fixedly installed with a filter 11, a circulation pump 12 and a liquid distribution box 13. The filter 11 includes a cylinder body 14, a support filter basket 15 and a filter bag 16. The suction end of the circulation pump 12 is fixedly connected with a first connecting pipe 17. One end of the first connecting pipe 17 away from the circulation pump 12 is fixedly installed at the lower part of one side of the filter 11 and is communicated with the inside of the filter 11. The top end of the filter 11 is fixedly connected with a second connecting pipe 18. The top end of the second connecting pipe 18 is communicated with the drain port 31. The discharge end of the circulation pump 12 is fixedly installed with a third connecting pipe 19. One end of the third connecting pipe 19 away from the circulation pump 12 is fixedly installed at one side of the liquid distribution box 13 and is communicated with the inside of the liquid distribution box 13. The other side of the liquid distribution box 13 is fixedly connected with a multi-component liquid distribution pipe 20. The ends of the liquid distribution pipe 20 away from the liquid distribution box 13 are respectively communicated with the first liquid collection box 8 and the second liquid collection box 22.

[0032] During use, first, the polyester-cotton fabric to be dyed is evenly conveyed into the box body through the strip-shaped through grooves 24 on both sides of the box body 1. The motor 3 is started. The motor 3 drives the stirring rod 4 to rotate, so that the upper stirring paddle 5 pushes the dye liquor from the center to the outside, and the lower stirring paddle 6 sucks the dye liquor from the periphery to the center, forming a strong turbulent flow, promoting the full flow and mixing of the dye liquor in the box body; the dyes are respectively sprayed out from the first nozzles 9 on the first liquid collection box 8 on both sides of the box body 1 and the second nozzles 23 on the second liquid collection box 22 at the top end of the box body 1. The flow controller 10 can control the dye spraying flow of each nozzle to ensure that the dyes are evenly sprayed on the fabric, realizing the full dyeing of the fabric; during the fabric conveying process, the dye liquor is discharged through the drain port 31 at the top end of the partition plate 2. The discharged dye liquor enters the filter 11. The cylinder body 14, the support filter basket 15 and the filter bag 16 in the filter 11 cooperate to filter out the impurities in the dye liquor. The filtered dye liquor is sucked in through the first connecting pipe 17 under the action of the circulation pump 12, and then is transported to the liquid distribution box 13 through the third connecting pipe 19. The liquid distribution box 13 distributes the filtered dye liquor to the first liquid collection box 8 and the second liquid collection box 22 respectively through the multi-component liquid distribution pipe 20, realizing the recycling of the dye liquor, ensuring the uniformity and stability of the dye liquor during the dyeing process, and thus improving the dyeing effect and quality.

[0033] Exemplarily, as Figure 2 shown, the present invention further includes that the upper stirring paddle 5 is located directly above the lower stirring paddle 6, and the rotation directions of the upper stirring paddle 5 and the lower stirring paddle 6 are opposite.

[0034] During use, when the motor drives the stirring rod to rotate, the upper stirring paddle pushes the dye liquor from the center outwards, while the lower stirring paddle sucks from the periphery towards the center. Since their rotation directions are opposite, a more complex and intense turbulence will be formed in the dye liquor. This kind of turbulence is beneficial to the more sufficient mixing and flowing of the dye liquor in the box body, enabling the dye to be more evenly dispersed throughout the dye liquor, thereby ensuring that all parts of the polyester-cotton fabric can contact the uniform dye during the dyeing process, improving the uniformity and quality of dyeing. At the same time, the strong stirring effect also helps to promote the full contact and reaction between the dye and the fabric fibers, accelerating the dyeing speed, improving the production efficiency. During the process of dye liquor circulation and filtration, it can also make the filtered dye liquor mix more evenly with the original dye liquor in the box body, maintaining the consistency of the dye liquor properties.

[0035] Exemplarily, as Figure 1 、 Figure 2 shown, the present utility model further includes that two sides of the box body 1 are fixedly connected with support plates 25, the top ends of the support plates 25 are fixedly connected with two groups of relatively parallel support frames 26, and two parallel auxiliary rollers 27 are rotatably connected to the inner sides of the support frames 26 through bearings.

[0036] During use, when the polyester-cotton fabric enters the box body from the strip-shaped groove, it will first pass through the auxiliary rollers 27. The auxiliary rollers 27 are rotatably connected to the support frames 26 through bearings, which can reduce the friction during the fabric transmission, making the fabric transmission smoother. The two parallel auxiliary rollers 27 can better maintain the stability of the fabric transmission, preventing the fabric from shifting or wrinkling during the transmission, so as to ensure that the fabric can accurately and smoothly enter the box body for dyeing treatment.

[0037] Exemplarily, as Figure 3 shown, the present utility model further includes that the support filter basket 15 is vertically arranged in the cylinder body 14 and there are four groups, and the filter bag 16 is installed in the support filter basket 15.

[0038] During use, the filter bag 16 is installed in the support filter basket 15, which can be well fixed and supported, ensuring that the filter bag will not deform or shift due to the flow of the dye liquor during the filtration process, thus guaranteeing the filtration effect and stability. The combination of four groups of support filter baskets and filter bags can more effectively intercept impurities in the dye liquor, improve the purity of the dye liquor, and provide high-quality dye liquor conditions for the subsequent dyeing process.

[0039] Exemplarily, as Figure 1 shown, the present utility model further includes that one end of the box body 1 is provided with a feeding pipe 28, and a regulating valve 29 is arranged on the feeding pipe 28.

[0040] During use, by adjusting the opening degree of the regulating valve 29, the amount of dye liquor input into the box body can be precisely controlled to meet the requirements of different dyeing processes and formula ratios, thereby ensuring the accuracy and stability of the dyeing effect.

[0041] Exemplarily, as Figure 1 、 Figure 2 shown, the present utility model further includes that support legs 30 are fixedly installed at the four corners of the bottom end of the box body 1.

[0042] During use, the box body 1 can be stably placed on the ground or a working platform, preventing it from shaking or toppling due to the vibration of the equipment or the influence of external forces during the dyeing process.

[0043] It should be noted that the present utility model is a cationic dyeing device for polyester-cotton fabrics. The polyester-cotton fabrics to be dyed are evenly fed into the box body 1 from the strip-shaped through grooves 24 on both sides of the box body 1 to ensure that the fabrics are flat without wrinkles and offsets.

[0044] Dye is added into the box body 1 through the feed pipe 28. According to the requirements of the dyeing process and the formula ratio, the opening degree of the regulating valve 29 is adjusted to control the dye input amount.

[0045] The motor 3 is started to drive the stirring rod 4 to rotate, so that the upper stirring paddle 5 pushes the dye liquor from the center to the outside, and the lower stirring paddle 6 sucks the dye liquor from the periphery to the center, forming a strong turbulent flow to promote the mixing of the dye liquor.

[0046] Meanwhile, the dye is respectively sprayed out from the first nozzles 9 on the first liquid collection box 8 on both sides of the box body 1 and the second nozzles 23 on the second liquid collection box 22 at the top end of the box body 1. The dye spraying flow rate of each nozzle is adjusted through the flow controller 10 to ensure that the dye is evenly sprayed on the fabric. The fabric continuously receives the uniform spraying of the dye and the sufficient immersion of the dye liquor during the conveying process to achieve full dyeing.

[0047] During the dyeing process, the dye liquor is discharged through the liquid discharge port 31 at the top end of the partition plate 2 and enters the filter 11. The cylinder body 14, the support filter basket 15 and the filter bag 16 in the filter 11 cooperate to filter out the impurities in the dye liquor. The filtered dye liquor is conveyed to the liquid distribution box 13 through the first connecting pipe 17 and the third connecting pipe 19 under the action of the circulation pump 12. The liquid distribution box 13 distributes the filtered dye liquor to the first liquid collection box 8 and the second liquid collection box 22 respectively through the multi-component liquid pipes 20 to realize the recycling of the dye liquor and ensure the uniformity and stability of the dye liquor.

[0048] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. What is described in the above-mentioned embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cationic dyeing device for polyester-cotton fabric, comprising a box body (1), characterized in that, The lower part of the inner wall of the box body (1) is provided with a partition plate (2). In the middle of the bottom end of the partition plate (2), a motor (3) is fixedly installed. The output shaft of the motor (3) penetrates through the partition plate (2) and is fixedly connected with a stirring rod (4). An upper stirring paddle (5) and a lower stirring paddle (6) are respectively arranged on the outer part of the stirring rod (4). Strip-shaped through grooves (24) are formed in the upper parts of both sides of the box body (1). First support rods (7) are welded on the inner walls of both sides of the box body (1) above and below the strip-shaped through grooves (24). The other ends of the first support rods (7) are fixedly installed with first liquid collection boxes (8). A plurality of groups of first spray nozzles (9) are connected to the inclined surface of the first liquid collection box (8) away from the first support rod (7). A plurality of groups of second support rods (21) are welded on the inner wall of the top end of the box body (1). The bottom ends of the second support rods (21) are fixedly installed with second liquid collection boxes (22). A plurality of groups of second spray nozzles (23) are connected to the bottom ends of the second liquid collection boxes (22). Flow controllers (10) are arranged on both the second spray nozzles (23) and the first spray nozzles (9). A liquid discharge port (31) is formed in the top end of the partition plate (2). A filter (11), a circulation pump (12) and a liquid separation box (13) are fixedly installed on the inner wall of the bottom end of the box body (1). The filter (11) includes a cylinder body (14), a support filter basket (15) and a filter bag (16). The suction end of the circulation pump (12) is fixedly connected with a first connecting pipe (17). The end of the first connecting pipe (17) away from the circulation pump (12) is fixedly installed at the lower part of one side of the filter (11) and is communicated with the inside of the filter (11). The top end of the filter (11) is fixedly connected with a second connecting pipe (18). The top end of the second connecting pipe (18) is communicated with the liquid discharge port (31). The discharge end of the circulation pump (12) is fixedly installed with a third connecting pipe (19). The end of the third connecting pipe (19) away from the circulation pump (12) is fixedly installed on one side of the liquid separation box (13) and is communicated with the inside of the liquid separation box (13). The other side of the liquid separation box (13) is fixedly connected with a plurality of liquid separation pipes (20). The ends of the liquid separation pipes (20) away from the liquid separation box (13) are respectively communicated with the first liquid collection box (8) and the second liquid collection box (22).

2. The cationic dyeing device for polyester-cotton fabric according to claim 1, wherein: The upper stirring paddle (5) is located directly above the lower stirring paddle (6), and the upper stirring paddle (5) and the lower stirring paddle (6) rotate in opposite directions.

3. The cationic dyeing device for polyester-cotton fabric according to claim 1, characterized in that: Support plates (25) are fixedly connected to both sides of the box body (1). Two groups of relatively parallel support frames (26) are fixedly connected to the top ends of the support plates (25). Two parallel auxiliary rollers (27) are rotatably connected to the inner sides of the support frames (26) through bearings.

4. A cationic dyeing device for polyester-cotton fabric according to claim 1, characterized in that: The support filter basket (15) is vertically arranged in the cylinder body (14) and there are four groups. The filter bag (16) is installed in the support filter basket (15).

5. The cationic dyeing device for polyester-cotton fabric according to claim 1, wherein: A feeding pipe (28) is arranged at one end of the box body (1). A regulating valve (29) is arranged on the feeding pipe (28).

6. The cationic dyeing device for polyester-cotton fabric according to claim 1, wherein: Support legs (30) are fixedly installed at the four corners of the bottom end of the box body (1).

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