Dyeing device of modularized multi-color system dyeing and finishing synchronous sharing drying and color development system

Abstract

The invention relates to a dyeing device of a modularized multi-color dyeing and finishing synchronous shared drying and color development system. The dyeing device comprises a cloth feeding unit, a dyeing and finishing unit, a shaping unit, a drying unit and a winding unit. On one hand, a modular layout is adopted, based on the synergistic effect of the cloth guide roller set, the pressing roller set and the liftable dipping tank in each dipping and pressing module, flexible combination of different color systems and finishing agents is achieved, the production requirements of small-batch and multi-variety products are met, meanwhile, the dipping tank does not need to be replaced and washed, redundant solvents generated by pressing and rolling can be recycled for reuse, and the production cost is reduced. Wastewater-free production is realized, the production efficiency is effectively improved, and the production cost is saved; and on the other hand, the pressing and rolling force of the cloth in the multi-stage dipping and pressing is gradually reduced, the probability of solvent pollution in continuous dipping and pressing is effectively reduced, in addition, the solvent recycled based on pressing and rolling and the to-be-pressed and rolled section are staggered, it is guaranteed that the solvent on the surface of the cloth is evenly pressed and rolled and permeated, and the dyeing and finishing quality of products is effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of textile dyeing and finishing, and in particular relates to a dyeing device with a modular multi-color dyeing and finishing synchronous shared drying and coloring system. Background Art

[0002] Pad dyeing is a textile dyeing process that typically involves using rollers (or padders) to evenly apply dye to the fabric during the dyeing and finishing process. Designed for continuous production of the same color or similar process requirements, pad dyeing typically involves one or two dyes.

[0003] Currently, the typical pad dyeing process includes: padding, where the fabric is immersed in the dye solution in the immersion tank and squeezed by rollers to control the dye pick-up rate (usually 60%-80%); pre-drying, where the fabric is dried at low temperature to prevent uneven dye migration; color fixation, where the fabric is steamed or baked at high temperature to fully combine the dye with the fiber; and finishing, such as softening, draining, and shaping.

[0004] However, in the actual production process, the existing technology has the following defects:

[0005] 1. Existing dyeing equipment has a single color system. Every time the dye is changed, the dipping tank needs to be flushed (otherwise, the color and gloss of the next batch of textiles will be affected). Especially for small-batch, multi-variety products, this will inevitably increase a large number of production processes, resulting in low production efficiency and high costs. In addition, it is easy to generate a large amount of wastewater, which not only increases treatment costs but also does not conform to the concept of green environmental protection.

[0006] 2. In the continuous padding process (e.g. two dips and two pads), in order to avoid solvent contamination caused by continuous dipping, it is usually dried after each padding before the next padding. This is not only a cumbersome process, but also causes energy waste. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an improved modular multi-color dyeing and finishing device with a synchronous shared drying and coloring system.

[0008] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0009] A modular multi-color dyeing and finishing synchronous shared drying and coloring system dyeing device, which includes a cloth feeding unit, a dyeing and finishing unit, a setting unit, a drying unit, and a winding unit. The dyeing and finishing unit includes a frame with a cloth feeding end and a cloth discharging end, and a plurality of independent dipping and pressing modules distributed on the frame at intervals in the horizontal and vertical directions. Each dipping and pressing module includes a dipping tank, a guide roller group and a pressure roller group arranged above the dipping tank, and a lifting drive for driving the dipping tank to move up and down. Each dipping tank contains dye or finishing agent, and the cloth passes through any one or more guide rollers from the cloth feeding end to the cloth. When the roller group is added, the corresponding impregnation tank rises and the corresponding part of the cloth is formed into a to-be-impregnated section and a to-be-pressed section above the liquid surface, and an impregnation section located between the to-be-impregnated section and the to-be-pressed section and immersed below the liquid surface, and the cloth is transported to the cloth outlet end based on the cooperative guidance of the remaining one or more cloth guide roller groups and / or pressure roller groups, the corresponding pressure roller group presses the cloth and drives the excess dye or finishing agent to be recovered into the corresponding impregnation tank, wherein the pressing force on the cloth decreases step by step in the transmission direction, and the recovery path of the excess dye or finishing agent is staggered with the to-be-pressed section.

[0010] According to one specific embodiment and preferred aspect of the present invention, multiple impregnation and pressing modules are arranged in a rectangular array, with one or more impregnation and pressing modules in the same row or any two rows, offset vertically, forming a continuous impregnation and pressing process. This neat and rational layout not only facilitates the implementation of the functions of a single impregnation and pressing module group, but also allows for flexible combination of multiple impregnation and pressing modules to meet the production needs of various processes.

[0011] Preferably, the pressing roller assembly includes an extrusion roller and a backing roller that are offset up and down to form a nip zone, wherein the center of the extrusion roller is located between the center of the backing roller and the fabric feed end, and the feed port of the nip zone faces downward, so as to facilitate the discharge of excess dye or finishing agent formed by the nip.

[0012] Preferably, the diameter of the squeeze roller is smaller than that of the backing roller; and / or, when the squeeze rollers cooperate to guide the fabric, the fabric passes over the squeeze roller and / or the backing roller. This helps ensure uniform force on the fabric surface during pressing, thereby improving liquid distribution and reducing color variation.

[0013] According to another specific embodiment and preferred aspect of the present invention, the pressing roller assembly further includes an auxiliary pressing plate positioned near the feed inlet of the pressing zone and extending upward and downwardly at an angle. The upper end of the auxiliary pressing plate forms a pressing edge extending along the width of the fabric, and the upper surface forms a guide surface that directs excess dye or finishing agent produced by pressing toward the section to be impregnated. The pressing edge is spaced apart from the pressure roller, forming a gap through which the section to be pressed passes. As the section to be pressed passes through the gap, the pressing edge presses the fabric against the pressure roller and simultaneously smoothes the surface of the fabric. Here, the cooperation between the auxiliary pressing plate's pressing edge and the guide surface creates a pre-pressing process, keeping the fabric pressed against the pressure roller as it enters the pressing zone, ensuring a smooth and evenly pressed surface, further reducing color variation. Excess solvent produced by pressing is also directed toward the surface of the section to be impregnated, preventing the solvent from flowing along the section to be pressed under tension.

[0014] According to another specific embodiment and preferred aspect of the present invention, the guide roller assembly includes a first guide roller positioned below the pressure roller and capable of being immersed in and out of the liquid as the immersion tank rises and falls. The section to be nipped is transported diagonally upward toward the inlet end, bypassing the pressure roller into the nip area to avoid dripping dye or finishing agent. This layout of the guide roller assembly and the pressure roller assembly results in a more compact transverse structure, minimizing the exposure at the top of the immersion tank and effectively reducing the loss of volatile dye or finishing agent.

[0015] Preferably, in an orthographic projection on a horizontal plane, the first cloth guide roller is located at the center of the corresponding dipping tank.

[0016] Preferably, the center line of the first cloth guide roller is aligned with the center line of the pressure roller.

[0017] Preferably, the guide roller assembly also includes a second guide roller positioned above the first guide roller near the fabric inlet. As the immersion tank ascends, the fabric passes around the second guide roller, avoiding the immersion tank and moving toward the first guide roller. This effectively prevents direct contact between the immersion tank and the fabric during elevation, reducing the likelihood of fabric damage.

[0018] In addition, the squeezing roller, the pressure roller, the first cloth guide roller and the second cloth guide roller are respectively connected to the frame by rotation from the end. The structure is simple and easy to assemble and disassemble.

[0019] Due to the implementation of the above technical solution, the present invention has the following advantages compared with the prior art:

[0020] The existing dyeing equipment has a single color system, and the dipping tank needs to be flushed every time the dye is changed (otherwise it will affect the color and gloss of the next batch of textile dyeing). Especially for small-batch, multi-variety products, a large number of production processes will inevitably be added, with low production efficiency and high costs. In addition, a large amount of wastewater is easily generated, which not only increases the processing cost, but also does not conform to the concept of green environmental protection. In the continuous dipping and rolling process (such as two dipping and two rolling), in order to avoid solvent contamination caused by continuous dipping, it is usually dried after each dipping and then the next dipping and rolling is carried out. Not only is the process cumbersome, but it also causes energy waste. The present application comprehensively designs the structure of the dyeing device of the modular multi-color dyeing and finishing synchronous shared drying and coloring system, which cleverly solves the shortcomings and defects of the existing technology. After adopting the dyeing device, the corresponding dye and finishing are input into each dipping tank respectively. According to the requirements of the dyeing and finishing process, the fabric is passed from the fabric inlet end through the guide rollers and the pressure roller group in the impregnation and pressing module where the corresponding color system and finishing agent are located, and the fabric is transported to the fabric outlet end based on the cooperative guidance of the remaining one or more guide roller groups and / or pressure roller groups; then the impregnation tank where the corresponding color system and finishing agent are located is driven to rise, and the corresponding parts of the fabric are formed into a to-be-impregnated section and a to-be-pressed section located above the liquid surface, and an impregnation section located between the to-be-impregnated section and the to-be-pressed section and immersed below the liquid surface; then the fabric is pressed by each pressure roller group and the excess dye or finishing agent is driven to be recovered into the corresponding impregnation tank, wherein the pressing force applied to the fabric decreases step by step in the conveying direction to avoid the previous dye or finishing agent being pressed out during the subsequent pressing and contaminating the subsequent impregnation tanks, and the recovery path of the excess dye or finishing agent is staggered with the to-be-pressed section to avoid flowing along the to-be-pressed section. Therefore, compared with the prior art, the present invention adopts a modular layout on the one hand, based on the synergistic effect of the cloth guide roller group, the pressure roller group and the liftable dipping tank in each dipping and pressing module, to achieve flexible combination of different color systems and finishing agents, to meet the production needs of small batches and multiple varieties of products, and at the same time, there is no need to replace the flushing dipping tank, and the excess solvent generated by pressing can be recovered and reused, to achieve wastewater-free production, effectively improve production efficiency and save production costs; on the other hand, the pressing force on the cloth in the multi-stage dipping and pressing decreases step by step, effectively reducing the probability of solvent contamination in continuous dipping and pressing. In addition, based on the staggered formation of the solvent recovered by pressing and the section to be pressed, it is beneficial to ensure uniform pressing and penetration of the solvent on the cloth surface, effectively improving the dyeing and finishing quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic front view of the dyeing device of the modular multi-color dyeing and finishing simultaneous shared drying and coloring system of this embodiment;

[0022] Figure 2 for Figure 1 Schematic diagram of the structure of a single dipping module;

[0023] Figure 3 for Figure 2 A magnified schematic diagram of the local structure;

[0024] Figure 4 A schematic diagram of the sampling position for the sample color difference test in the application embodiment;

[0025] Wherein: 1. Fabric feeding unit; 2. Dyeing and finishing unit; 20. Frame; a0. Fabric feeding end; a1. Fabric outlet end; g5. Fabric feeding roller; g6. Fabric outlet roller; 21. Dipping and pressing module; 210. Dipping tank; 211. Guide roller group; g1. First fabric guide roller; g2. Second fabric guide roller; 212. Pressing roller group; g3. Squeeze roller; g4. Pressure roller; q. Pressing zone; b. Auxiliary pressing plate; b0. Pressing edge; m. Guide surface; 213. Lifting drive; 3. Forming unit; 4. Drying unit; 5. Winding unit;

[0026] B, cloth; d1, section to be impregnated; d2, section to be pressed; d3, impregnation section. DETAILED DESCRIPTION

[0027] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the present application is described in detail below in conjunction with the accompanying drawings and specific embodiments. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0028] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0030] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; they can refer to direct connection or indirect connection through an intermediate medium; they can refer to internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0031] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it can mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0033] Combine Figures 1 to 3 As shown, the modular multi-color dyeing and finishing synchronous shared drying and color development system of this embodiment includes a cloth feeding unit 1, a dyeing and finishing unit 2, a shaping unit 3, a drying unit 4, and a winding unit 5.

[0034] In this example, the cloth feeding unit 1, shaping unit 3, drying unit 4, and winding unit 5 are all existing technologies, so as to realize the cloth feeding, shaping and flattening, drying and coloring, and winding functions, which will not be described in detail here.

[0035] In this example, the dyeing and finishing unit 2 includes a frame 20 with a fabric inlet end a0 and a fabric outlet end a1, and multiple dipping and pressing modules 21 spaced laterally and vertically on the frame 20, capable of independently performing dipping and pressing. The number of dipping and pressing modules 21 is determined by the factory space. In this embodiment, there are nine dipping and pressing modules 21 arranged in a rectangular array, with one or more dipping and pressing modules 21 in the same row or any two rows, offset vertically, forming a continuous dipping and pressing process. This neat and reasonable layout not only facilitates the implementation of the functions of a single dipping and pressing module group, but also facilitates the flexible combination of multiple dipping and pressing modules to meet the production needs of various processes.

[0036] In some specific embodiments, each dipping and pressing module 21 includes an immersion tank 210, a guide roller group 211 and a pressing roller group 212 arranged above the immersion tank 210, and a lifting driver 213 for driving the immersion tank 210 to move up and down. Each immersion tank 210 contains dye or finishing agent. When the cloth B passes through any one or more guide roller groups 211 from the cloth feeding end, the corresponding immersion tank 210 rises and forms the corresponding part of the cloth into a to-be-immersed section d1 and a to-be-pressed section d2 located above the liquid surface, and a to-be-immersed section d3 located above the liquid surface. 1 and the section to be pressed d2 and immersed in the impregnation section d3 below the liquid surface, and based on the cooperative guidance of the remaining one or more cloth guide roller groups 211 and / or pressure roller groups 212, the cloth is transported to the cloth outlet end a1, and the corresponding pressure roller group 212 presses the cloth and drives the excess dye or finishing agent to be recovered into the corresponding impregnation tank 210, wherein the pressing force on the cloth decreases step by step in the transmission direction, and the recovery path of the excess dye or finishing agent is staggered with the section to be pressed d2.

[0037] Each dipping tank 210 is allocated and input with dye and functional finishing agent by a control system, which is conventional technical means and will not be described in detail here. The lifting driver 213 adopts a hydraulic lifting platform, which drives each dipping tank to move up and down based on hydraulic drive.

[0038] In this example, the guide roller group 211 includes a first guide roller g1 that can be immersed in or removed from the liquid surface as the immersion tank 210 rises and falls, and a second guide roller g2 arranged above the first guide roller g1 on the side close to the cloth inlet end a0. When the immersion tank 210 rises, the cloth bypasses the second guide roller g2 to avoid the immersion tank 210 and is transmitted toward the first guide roller g1. When the cloth passes through the first guide roller g1, the above-mentioned section to be immersed d1, section to be pressed d2 and section d3 are formed; the pressing roller group 212 includes an extrusion roller g3 and a pressure roller g4 that are offset up and down and form a pressing zone q, wherein the center of the extrusion roller g3 is located between the center of the pressure roller g4 and the cloth inlet end a0, and the feed port of the pressing zone q faces downward to facilitate the discharge of excess dye or finishing agent formed by pressing.

[0039] For ease of implementation, the squeezing roller g3, the pressure roller g4, the first cloth guide roller g1, and the second cloth guide roller g2 are each rotatably connected to the frame 20 from their ends. Furthermore, to facilitate cloth feeding and discharging, the frame 20 is also provided with a cloth feed roller g5 and a cloth discharging roller g6 that can be adjusted vertically.

[0040] In some specific embodiments, the first cloth guide roller g1 is arranged below the pressure roller g4, and the center line of the first cloth guide roller g1 is aligned up and down with the center line of the pressure roller g4. At the same time, in the orthographic projection on the horizontal plane, the first cloth guide roller g1 is located at the center of the corresponding dipping tank 210, and the section d2 to be pressed is transferred obliquely upward toward the direction close to the cloth feed end a0, and bypasses the pressure roller g4 to enter the pressing area q to avoid the dye or finishing agent dripping from the pressing.

[0041] Furthermore, the diameter of the squeezing roller g3 is smaller than that of the pressure roller g4; when the pressure rollers are guided in a coordinated manner, the fabric passes over the squeezing roller g3 and / or the pressure roller g4. It should be noted that in the modular impregnation and pressing layout of this application, when any impregnation and pressing module is combined, the fabric is transported through the coordinated guidance of the squeezing roller g3 and / or the pressure roller g4 in the remaining impregnation and pressing modules. This allows for flexible fabric transport between different impregnation and pressing module combinations.

[0042] Furthermore, to further facilitate implementation, the roller assembly 212 of this embodiment also includes an auxiliary pressing plate b, positioned near the feed inlet of the nip zone q, and extending upward and downward in an inclined manner. The upper end of the auxiliary pressing plate b forms a pressing edge b0 extending along the width of the fabric, and the upper surface forms a guide surface m, which directs excess dye or finishing agent produced by the pressing process toward the section to be impregnated d1. The pressing edge b0 is spaced apart from the pressure roller g4, forming a gap through which the section to be pressed d2 passes. As the section to be pressed d2 passes through the gap, the pressing edge b0 presses the fabric against the pressure roller g4 and simultaneously smoothes the surface. The collaborative action of the auxiliary pressing plate's pressing edge and the guide surface creates a pre-pressing process, keeping the fabric pressed against the pressure roller before entering the nip zone, ensuring a smooth and evenly pressed surface. Furthermore, excess solvent produced by the pressing process is directed toward the surface of the section to be impregnated, preventing the solvent from flowing along the fabric under tension.

[0043] After adopting the dyeing device, corresponding dyes and finishing agents are respectively input into each dipping tank. According to the requirements of the dyeing and finishing process, the fabric is sequentially passed from the fabric inlet end through the guide rollers and pressure roller groups in the dipping and pressing module where the corresponding color system and finishing agent are located, and the fabric is transported to the fabric outlet end based on the cooperative guidance of the remaining one or more guide roller groups and / or pressure roller groups. Then, the dipping tank where the corresponding color system and finishing agent are located is driven to rise, and the corresponding parts of the fabric are divided into a waiting dipping section and a waiting pressing section located above the liquid surface, and a dipping section located between the waiting dipping section and the waiting pressing section and immersed below the liquid surface. Then, each pressing roller group presses the fabric and drives the excess dye or finishing agent to be recovered into the corresponding dipping tank. The pressing force applied to the fabric decreases step by step in the conveying direction to prevent the previous dye or finishing agent from being pressed out during the subsequent pressing and contaminating the subsequent dipping tanks. The recovery path of the excess dye or finishing agent is offset from the waiting pressing section to prevent it from flowing along the waiting pressing section. Therefore, compared with the prior art, the present invention adopts a modular layout on the one hand, based on the synergistic effect of the cloth guide roller group, the pressure roller group and the liftable dipping tank in each dipping and pressing module, to achieve flexible combination of different color systems and finishing agents, to meet the production needs of small batches and multiple varieties of products, and at the same time, there is no need to replace the flushing dipping tank, and the excess solvent generated by pressing can be recovered and reused, to achieve wastewater-free production, effectively improve production efficiency and save production costs; on the other hand, the pressing force on the cloth in the multi-stage dipping and pressing decreases step by step, effectively reducing the probability of solvent contamination in continuous dipping and pressing. In addition, based on the staggered formation of the solvent recovered by pressing and the section to be pressed, it is beneficial to ensure uniform pressing and penetration of the solvent on the cloth surface, effectively improving the dyeing and finishing quality of the product.

[0044] The following provides an application example of a dyeing device using the modular multi-color dyeing and finishing system with a shared drying and color development system to further illustrate the above scheme, wherein the positions of the impregnation modules 21 of this embodiment are numbered N1, N2, ..., N9 in sequence. In the following, the sample fabric used is a desized 300D Oxford fabric with a thickness of 160g / m2 and a density of 25X17. The chemical raw materials used are: antistatic agent JL-NSX from Shandong Juli Antistatic Technology Co., Ltd., composite antifungal and antibacterial agent NISSI-1023 from Rizhao Nixi Environmental Protection Materials Co., Ltd., flame retardant FPK8001 from Hutt International Group Co., Ltd., penetrant JFC from Jiangsu Hai'an Petrochemical Plant, sodium lauryl sulfate from Henan Hongzhi Chemical Products Co., Ltd., and 30 mesh sodium alginate with a viscosity of 500mPa·s from Lianyungang Huanyu Seaweed Additives Co., Ltd.

[0045] Application Example 1

[0046] Prepare a dyeing slurry according to Example 3 of Invention Patent 201810173941.3 and add it to the dipping tank at position N1. Mix antistatic agent JL-NSX, penetrant JFC, sodium lauryl sulfate, sodium alginate, and water in proportions of 5%, 1%, 2%, and 1% by mass to create a functional finishing agent. Add it to the dipping tank at position N2 and set aside.

[0047] Take 120 meters of sample cloth and connect it to the cloth feeding unit of the equipment, turn on the equipment operation switch, and pass the sample cloth around the guide roller group at position N1, drive the dipping tank at position N1 to rise, so that the sample cloth is immersed in the slurry, and after sufficient impregnation, it is passed around the corresponding pressing roller group. After rolling, the pressure is controlled so that the moisture content of the sample cloth after rolling is 30%. Then the sample cloth passes around the guide roller group at position N2, and at the same time drives the dipping tank at position N2 to rise, so that the sample cloth is immersed in the finishing agent. After sufficient impregnation, it is passed around the corresponding pressing roller group, and the sample cloth is rolled and the pressure is controlled so that the moisture content after rolling is 40%. The sample cloth then passes over the pressing roller group at position N3 and is transmitted from the cloth outlet end of the frame. The power of all the guide rollers that the sample cloth passes is turned on and adjusted to synchronized speed. The sample cloth enters the shaping and flattening stage, and then passes through the drying and coloring stages one by one. After coloring, it is rolled up to obtain the finished product. In this embodiment, the first drying temperature is set to 100° C., and the second drying temperature is set to 180° C. After the Oxford cloth is dried and colored, sample 1# is obtained.

[0048] Application Example 2

[0049] Prepare a dyeing slurry according to Example 3 of Invention Patent 201810173941.3 and add it to the dipping tank at position N4. Mix the antistatic agent JL-NSX, penetrant JFC, sodium lauryl sulfate, sodium alginate, and water in proportions of 5%, 1%, 2%, and 1% by mass to create a functional finishing agent. Add it to the dipping tank at position N5 and set aside.

[0050] Take 120 meters of sample cloth and connect it to the cloth feeding unit of the equipment, turn on the equipment operation switch, and pass the sample cloth around the guide roller group at position N4, drive the dipping tank at position N4 to rise, so that the sample cloth is immersed in the slurry, and after sufficient impregnation, it is passed around the corresponding pressing roller group. After rolling, the pressure is controlled so that the moisture content of the sample cloth after rolling is 30%. Then the sample cloth passes around the guide roller group at position N5, and at the same time, drive the dipping tank at position N5 to rise, so that the sample cloth is immersed in the finishing agent. After sufficient impregnation, it is passed around the corresponding pressing roller group, and the sample cloth is rolled and the pressure is controlled so that the moisture content after rolling is 40%. The sample cloth then passes over the pressing roller group at position N6 and is transmitted from the cloth outlet end of the frame. The power of all the guide rollers that the sample cloth passes is turned on and adjusted to synchronized speed. The sample cloth enters the shaping and flattening stage, and then successively passes through the drying and coloring stages. After coloring, it is rolled up to obtain the finished product. In this embodiment, the first drying temperature is set to 100° C., and the second drying temperature is set to 190° C. After the Oxford cloth is dried and colored, sample 2# is obtained.

[0051] Application Example 3

[0052] Prepare a dyeing slurry according to Example 3 of Invention Patent 201810173941.3 and add it to the dipping tank at position N7. Mix antistatic agent JL-NSX, penetrant JFC, sodium lauryl sulfate, sodium alginate, and water in proportions of 5%, 1%, 2%, and 1% by mass to create a functional finishing agent. Add it to the dipping tank at position N5 and set aside.

[0053] Take 120 meters of sample cloth and connect it to the cloth feeding unit of the equipment, turn on the equipment operation switch, and pass the sample cloth around the guide roller group at position N7, drive the dipping tank at position N7 to rise, so that the sample cloth is immersed in the slurry, and after sufficient dipping, it is passed around the corresponding pressing roller group. After rolling, the pressure is controlled so that the moisture content of the sample cloth after rolling is 30%. Then the sample cloth passes around the guide roller group at position N8, and at the same time, drive the dipping tank at position N8 to rise, so that the sample cloth is immersed in the finishing agent. After sufficient dipping, it is passed around the corresponding pressing roller group, and the sample cloth is rolled and the pressure is controlled so that the moisture content after rolling is 40%. The sample cloth then passes over the pressing roller group at position N9 and is transmitted from the cloth outlet end of the frame. The power of all the guide rollers that the sample cloth passes is turned on and adjusted to synchronized speed. The sample cloth enters the shaping and flattening stage, and then successively passes through the drying and coloring stages. After coloring, it is rolled up to obtain the finished product. In this embodiment, the first drying temperature is set to 110° C., and the second drying temperature is set to 200° C. After the Oxford cloth is dried and colored, sample 3# is obtained.

[0054] Comparative Example (The comparative example is to put the dye and functional additives in the same dipping tank. The same bath processing will reduce the color fastness and flame retardancy)

[0055] Prepare a dyeing slurry according to Example 1 of Invention Patent 201810173941.3 and add it to the dipping tank. Mix the flame retardant FPK8001, penetrant JFC, and water in amounts of 35% and 1% by mass and add them to the dipping tank for later use.

[0056] Take a 120-meter sample cloth and connect it to the cloth feeding device of the equipment. Turn on the equipment operation switch and guide the sample cloth into the dipping tank ③ under the guidance of the cloth guide roller. After dipping and rolling, set the first stage drying temperature to 110℃ and the second stage color development temperature to 200℃. After drying and color development, the Oxford cloth is obtained as sample 4#.

[0057] Sample testing method and test results:

[0058] Color fastness to rubbing is tested according to GB / T 3920-2008, color fastness to washing is tested according to GB / T 5713-2013, and color fastness to washing with soap is tested according to GB / T 3921-2008. Antistatic properties are tested according to GB 12014-2009, "Antistatic Clothing." Flame retardancy is tested according to GB / T 5455, "Fire Performance of Textiles - Vertical Damage Length, Smoldering and Afterflame Time." Antibacterial properties of textiles are tested according to GB T 20944.3-2008, "Evaluation of Antibacterial Properties of Textiles - Part 3 - Oscillation Method."

[0059] Press the product Figure 4 Sampling was performed at the positions shown. The color difference between the front and back surfaces at position ① was defined as the front-to-back color difference. The color difference between positions ① and ② was defined as the latitudinal color difference. The color difference between positions ① and ③ was defined as the radial color difference. The longitudinal color difference, latitudinal color difference, and front-to-back color difference were measured using a WSC-S colorimeter manufactured by Shanghai Yidian Physical Optical Instrument Co., Ltd. The test results for all samples are shown in Table 1.

[0060] Table 1 Sample test results

[0061]

[0062] The above detailed description of the present invention is intended to enable persons familiar with the art to understand the contents of the present invention and implement them. It does not limit the scope of protection of the present invention. Any equivalent changes or modifications made based on the spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A modular multi-color dyeing and finishing device with a shared drying and color development system, comprising a cloth feeding unit, a dyeing and finishing unit, a setting unit, a drying unit, and a winding unit, characterized in that: The dyeing and finishing unit includes a frame with a cloth feed end and a cloth discharge end, and a plurality of independent dipping and pressing modules distributed on the frame at intervals in the horizontal and vertical directions. Each of the dipping and pressing modules includes an immersion tank, a guide roller group and a pressure roller group arranged above the immersion tank, and a lifting drive for driving the immersion tank to move up and down. Each of the immersion tanks contains dye or finishing agent. When the cloth passes through any one or more guide roller groups from the cloth feed end, the corresponding immersion tank rises and forms the corresponding part of the cloth into a to-be-immersed section and a to-be-pressed section located above the liquid surface, and an immersion section located between the to-be-immersed section and the to-be-pressed section and immersed below the liquid surface. Based on the cooperative guidance of the remaining one or more guide roller groups and / or pressure roller groups, the cloth is transported to the cloth discharge end. The corresponding pressure roller group presses the cloth and drives the excess dye or finishing agent to be recovered into the corresponding immersion tank. The pressing force on the cloth decreases step by step in the transmission direction, and the recovery path of the excess dye or finishing agent is staggered with the to-be-pressed section.

2. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 1 is characterized in that: The plurality of dipping and pressing modules are distributed in a rectangular array, wherein one or more dipping and pressing modules based on the same row or any two rows and staggered up and down form a one-dipping-one-rolling or continuous dipping and continuous rolling.

3. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 1, characterized in that: The pressing roller group includes an extrusion roller and a pressure roller which are staggered up and down and form a pressing zone, wherein the center of the extrusion roller is located between the center of the pressure roller and the cloth feeding end, and the feed port of the pressing zone faces downward.

4. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 3 is characterized in that: The diameter of the squeezing roller is smaller than the diameter of the pressure roller; and / or, when the pressure roller group cooperates in guiding, the cloth passes over the squeezing roller and / or the pressure roller.

5. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 3 is characterized in that: The pressing roller group also includes an auxiliary pressing plate arranged near the feed inlet of the pressing zone and extending obliquely up and down, the upper end of the auxiliary pressing plate forms a pressing edge extending along the width direction of the cloth, and the upper surface forms a guide surface for guiding excess dye or finishing agent generated by pressing to the section to be impregnated, wherein the pressing edge is spaced from the pressure roller and forms a gap for the section to be pressed to pass through, and as the section to be pressed passes through the gap, the pressing edge sticks the cloth to the pressure roller and synchronously scrapes the surface of the cloth flat.

6. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 3 is characterized in that: The guide roller group includes a first cloth guide roller arranged below the pressure roller and capable of being immersed in or removed from the liquid surface as the immersion tank rises and falls. The section to be pressed is transported obliquely upward toward the cloth feed end and bypasses the pressure roller to enter the pressing area to avoid dye or finishing agent dripping from the pressing.

7. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 6, characterized in that: In an orthographic projection on a horizontal plane, the first cloth guide roller is located at the center of the corresponding dipping tank.

8. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 6, characterized in that: The center line of the first cloth guide roller is aligned with the center line of the pressure roller in the vertical direction.

9. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system according to claim 6, characterized in that: The guide roller group also includes a second guide roller arranged above the first guide roller on the side close to the cloth feeding end. When the dipping tank rises, the cloth bypasses the second guide roller to avoid the dipping tank and is transmitted toward the first guide roller.

10. The modular multi-color dyeing and finishing simultaneous drying and color-hair-dyeing system dyeing device according to claim 8, characterized in that: The squeezing roller, the pressure roller, the first cloth guide roller and the second cloth guide roller are respectively rotatably connected to the frame from their ends.

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