Dyeing process of blended yarn

Abstract

The invention discloses a blended yarn dyeing process which is characterized by comprising the following steps: performing pretreatment on blended yarn to be dyed; a certain amount of dyeing solution is injected into the dyeing pool, the heating plate heats the dyeing solution to a certain temperature, then pretreated blended yarn is put into the dyeing pool from the yarn inlet, the synchronous motor drives the first-position pressing roller and the second-position pressing roller to rotate anticlockwise at the same time, the blended yarn is pressed into the lower end position in the solution in the dyeing pool, and dyeing is completed. Carrying out dip dyeing; and finally, carrying out color fixation, water washing, dehydration and drying to obtain the required blended yarn.

Description

Technical Field

[0001] The invention relates to the technical field of dyeing, in particular to a dyeing process for blended yarns. Background Art

[0002] Blended yarn is a type of yarn made by mixing two or more different types of fibers together through a spinning process. Since this type of yarn incorporates multiple fiber components, a variety of color combinations can be achieved during the dyeing process. Different customers and markets have their own unique needs and preferences for the color of blended yarns, which makes blended yarns widely applicable and flexible in the textile industry.

[0003] However, the current blended yarn dyeing process faces a challenge, that is, the blended yarn often only floats on the surface, resulting in incomplete dyeing, which in turn affects the dyeing quality. Therefore, it is urgent to develop an improved blended yarn dyeing process. Summary of the invention

[0004] Based on this, the object of the present invention is to provide a dyeing process for blended yarn to solve the existing problems.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dyeing process for blended yarn, characterized in that it includes the following steps: pre-treating the blended yarn to be dyed; injecting a certain amount of dyeing solution into the dyeing tank, heating the dyeing solution to a certain temperature with a heating plate, and then putting the pre-treated blended yarn into the dyeing tank from a yarn inlet, driving the first pressing roller and the second pressing roller to rotate counterclockwise at the same time by a synchronous motor, pressing the blended yarn into the lower end position of the solution in the dyeing tank for immersion dyeing; finally, after color fixing, washing, dehydration and drying, the desired blended yarn is obtained.

[0006] The dyeing device comprises a dyeing tank, a yarn inlet is provided at the front end of the dyeing tank, a synchronous motor is installed at the outer end of the dyeing tank, a first pressing roller is installed at one end of the synchronous motor, a second pressing roller is installed at the inner end of the dyeing tank, and a yarn guide tooth plate is installed at the inner end of the dyeing tank; a roller groove is installed at one end of the dyeing tank, a yarn extrusion frame is installed at the inner end of the roller groove, a driving roller is installed at the middle end of the yarn extrusion frame, a limiting rod hole is provided at the rear end of the yarn extrusion frame, a control block screw is installed at the middle end of the limiting rod hole, and a control block screw is installed at the front end of the control block screw There is a belt roller block, a squeezing roller is installed at the middle end of the belt roller block, an anti-overflow plate is installed at the lower end of the squeezing roller, a yarn guide guard plate is installed at the upper end of the driving roller, a limit rod slide groove is provided at the upper end of the dyeing tank, an inner top spring is installed at the inner end of the limit rod slide groove, and a limit rack rod is installed at the front end of the inner top spring; a top position motor is installed at the upper end of the dyeing tank, a control rod screw shaft is installed at one end of the top position motor, a connecting rod pressure plate is installed at the middle end of the control rod screw shaft, a bottom heating plate is installed at the bottom end of the dyeing tank, and a controller is installed at the upper end of the dyeing tank.

[0007] The first nip roller forms a rotating structure with the dyeing tank through a synchronous motor, and the first nip roller and the second nip roller are meshed with each other.

[0008] The yarn guide tooth plate is threadedly connected to the dyeing tank, and the yarn guide tooth plate is meshed with the secondary pressing roller.

[0009] The yarn extrusion frame forms a sliding structure with the dyeing tank through the roller groove, and the limit frame rod is connected with the yarn extrusion frame by clamping through the inner top spring.

[0010] The belt roller block is threadedly connected with the control block screw, and the extrusion roller forms a sliding structure with the yarn extrusion frame through the control block screw.

[0011] The control rod screw shaft forms a rotating structure with the dyeing tank through the top position motor, and the control rod screw shaft is threadedly connected with the connecting rod pressure plate.

[0012] The connecting rod pressing plate forms a lifting structure with the dyeing tank through the control rod screw shaft, and the lower end surface of the bottom heating plate is tightly fitted with the inner end surface of the dyeing tank.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention improves the entire dyeing process and specially designs a special dyeing device. Through the dyeing tank, synchronous motor, first press roller, second press roller and yarn guide tooth plate, the first press roller and the second press roller are driven by the synchronous motor to rotate counterclockwise at the same time, and the blended yarn is pressed into the lower end position of the solution in the dyeing tank to perform immersion dyeing. The blended yarn brought out by the first press roller is guided to one side of the driving roller by the second press roller, and the blended yarn brought out by the lower end of the second press roller is scraped off by the yarn guide tooth plate, so as to effectively prevent the problem of the initial immersion-dyed blended yarn floating on the surface and incomplete immersion-dyeing, thereby ensuring the dyeing quality of the blended yarn. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the structure of the present invention in cross section; Figure 3 This is a schematic diagram of the structure of the middle section of the present invention, which is disassembled and enlarged; Figure 4 For the present invention Figure 2 Schematic diagram of the structure enlarged at point A in the middle.

[0015] In the figure: 1. dyeing tank; 2. yarn inlet; 3. synchronous motor; 4. first pressing roller; 5. second pressing roller; 6. roller groove; 7. yarn extrusion frame; 8. driving roller; 9. yarn guide tooth plate; 10. limit rod hole; 11. control block screw; 12. belt roller block; 13. extrusion roller; 14. anti-overflow plate; 15. yarn guide guard plate; 16. limit rod slide groove; 17. inner top spring; 18. limit frame rod; 19. top motor; 20. control rod screw shaft; 21. connecting rod pressure plate; 22. bottom heating plate; 23. controller. DETAILED DESCRIPTION

[0016] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0017] The following describes an embodiment of the present invention based on its overall structure.

[0018] A dyeing process for blended yarns comprises the following steps: pre-treating the blended yarns to be dyed; injecting a certain amount of dyeing solution into a dyeing tank 1, heating the dyeing solution to a certain temperature with a heating plate 22, and then feeding the pre-treated blended yarns into the dyeing tank 1 from a yarn inlet 2, driving a first pressing roller 4 and a second pressing roller 5 to rotate counterclockwise at the same time by a synchronous motor 3, pressing the blended yarns into the lower end position of the solution in the dyeing tank 1, and performing immersion dyeing; finally, color fixing, washing, dehydration and drying are performed. In this embodiment, the setting temperature is controlled at 145-155°C; and the desired blended yarns are obtained.

[0019] See also Figure 1-4 The dyeing device includes a dyeing tank 1, a yarn inlet 2 is provided at the front end of the dyeing tank 1, a synchronous motor 3 is installed at the outer end of the dyeing tank 1, a first nip roller 4 is installed at one end of the synchronous motor 3, a second nip roller 5 is installed at the inner end of the dyeing tank 1, and a yarn guide tooth plate 9 is installed at the inner end of the dyeing tank 1. The first nip roller 4 forms a rotating structure with the dyeing tank 1 through the synchronous motor 3, and the first nip roller 4 and the second nip roller 5 are meshed with each other, the yarn guide tooth plate 9 is threadedly connected with the dyeing tank 1, and the yarn guide tooth plate 9 and the second nip roller 5 are meshed with each other, and the first nip roller 4 and the second nip roller 5 are driven by the synchronous motor 3 to rotate counterclockwise at the same time, and the blended yarn is pressed into the lower end position of the solution in the dyeing tank 1 for immersion dyeing, and the blended yarn brought out by the first nip roller 4 is guided to one side of the driving roller 8 by the second nip roller 5, and the blended yarn brought out by the lower end of the second nip roller 5 is scraped off by the yarn guide tooth plate 9, so as to effectively prevent the problem of incomplete immersion of the initially dyed blended yarn floating on the surface.

[0020] A roller groove 6 is installed at one end of the dyeing tank 1, a yarn extrusion frame 7 is installed at the inner end of the roller groove 6, a driving roller 8 is installed at the middle end of the yarn extrusion frame 7, a limited rod hole 10 is provided at the rear end of the yarn extrusion frame 7, a control block screw 11 is installed at the middle end of the limit rod hole 10, a belt roller block 12 is installed at the front end of the control block screw 11, an extrusion roller 13 is installed at the middle end of the belt roller block 12, an anti-over plate 14 is installed at the lower end of the extrusion roller 13, a yarn guide guard 15 is installed at the upper end of the driving roller 8, a limited rod slide 16 is provided at the upper end of the dyeing tank 1, an inner top spring 17 is installed at the inner end of the limit rod slide 16, a limited frame rod 18 is installed at the front end of the inner top spring 17, the yarn extrusion frame 7 forms a sliding structure with the dyeing tank 1 through the roller groove 6, and the limit frame rod 18 is connected with the yarn extrusion frame 7 through the inner top spring 17, and the belt roller block 12 is threaded with the control block screw 11 The extrusion roller 13 is connected, and the extrusion roller 13 forms a sliding structure with the yarn extrusion frame 7 through the control block screw 11. The control block screw 11 is operated to rotate in the limit rod hole 10, so that the roller block 12 moves the extrusion roller 13 laterally on the yarn extrusion frame 7, so as to adjust the extrusion force between the extrusion roller 13 and the driving roller 8, and then the yarn extrusion frame 7 is installed in the roller groove 6, and the limit frame rod 18 fixes the yarn extrusion frame 7 in the dyeing tank 1 through the force of the inner top spring 17, and the anti-overflow plate 14 prevents the blended yarn from passing under the extrusion roller 13. At this time, the driving roller 8 rotates, and the blended yarn guided by the yarn guide tooth plate 9 is driven to the lower end position of the upper yarn guide guard plate 15 through the extrusion rotation between the extrusion roller 13. After extrusion, the blended yarn reabsorbs the solution and is dyed, thereby improving the efficiency of the dyeing work of the device.

[0021] A top motor 19 is installed at the upper end of the dyeing tank 1, a control rod screw shaft 20 is installed at one end of the top motor 19, a connecting rod pressure plate 21 is installed at the middle end of the control rod screw shaft 20, a bottom heating plate 22 is installed at the bottom end of the dyeing tank 1, and a controller 23 is installed at the upper end of the dyeing tank 1. The control rod screw shaft 20 forms a rotating structure with the dyeing tank 1 through the top motor 19, and the control rod screw shaft 20 is threadedly connected with the connecting rod pressure plate 21. The connecting rod pressure plate 21 forms a lifting structure with the dyeing tank 1 through the control rod screw shaft 20, and the lower end surface of the bottom heating plate 22 is tightly fitted with the inner end surface of the dyeing tank 1. The control rod screw shaft 20 is driven to rotate on the dyeing tank 1 by the top motor 19, so that the control rod screw shaft 20 drives the connecting rod pressure plate 21 downward to control the blended yarn to a certain position in the solution for precipitation and dyeing, thereby improving the control effect of the device on the dyeing work.

[0022] By adopting this structure, the blended yarn brought out by the first nip roller 4 is guided to one side of the driving roller 8 by the secondary nip roller 5, and the blended yarn brought out by the lower end of the secondary nip roller 5 is scraped off by the yarn guide tooth plate 9, which effectively prevents the problem of incomplete dyeing of the initially dyed blended yarn floating on the surface. The control block screw 11 rotates in the limit rod hole 10, so that the belt roller block 12 moves the squeezing roller 13 laterally on the yarn extrusion frame 7, so as to adjust the squeezing force between the squeezing roller 13 and the driving roller 8, and then the yarn extrusion frame 7 is installed in the roller groove 6, and the limit frame rod 18 fixes the yarn extrusion frame 7 in the dyeing tank 1 through the force of the inner top spring 17, and the anti-overflow plate 14 prevents the blended yarn from passing under the squeezing roller 13 At this time, by driving the roller 8 to rotate, the blended yarn guided by the yarn guide tooth plate 9 is driven to the lower end position of the upper yarn guide guard plate 15 through the extrusion rotation between the extrusion roller 13. After being squeezed, the blended yarn reabsorbs the solution and is dyed, thereby improving the efficiency of the dyeing work of the device. The control rod screw shaft 20 can be driven to rotate on the dyeing tank 1 by the top position motor 19, so that the control rod screw shaft 20 drives the connecting rod pressure plate 21 downward to control the blended yarn to a certain position in the solution for precipitation and dyeing, thereby improving the control effect of the device on the dyeing work. In this way, the use process of the device is completed. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dyeing process for blended yarn, characterized in that: The method comprises the following steps: pre-treating the blended yarn to be dyed; injecting a certain amount of dyeing solution into the dyeing tank (1), heating the dyeing solution to a certain temperature with a heating plate (22), and then feeding the pre-treated blended yarn into the dyeing tank (1) from a yarn inlet (2); driving a first pressing roller (4) and a second pressing roller (5) to rotate counterclockwise at the same time by a synchronous motor (3) to press the blended yarn into the lower end position of the solution in the dyeing tank (1) for immersion dyeing; and finally, after color fixing, washing, dehydration and drying, the desired blended yarn is obtained.

2. The dyeing process of a blended yarn according to claim 1, characterized in that: The dyeing device comprises a dyeing tank (1), a yarn inlet (2) is provided at the front end of the dyeing tank (1), a synchronous motor (3) is installed at the outer end of the dyeing tank (1), a first pressing roller (4) is installed at one end of the synchronous motor (3), a second pressing roller (5) is installed at the inner end of the dyeing tank (1), and a yarn guide tooth plate (9) is installed at the inner end of the dyeing tank (1); a roller groove (6) is installed at one end of the dyeing tank (1), a yarn extrusion frame (7) is installed at the inner end of the roller groove (6), a driving roller (8) is installed at the middle end of the yarn extrusion frame (7), a limiting rod hole (10) is provided at the rear end of the yarn extrusion frame (7), a control block screw (11) is installed at the middle end of the limiting rod hole (10), and a belt roller block (12) is installed at the front end of the control block screw (11). The middle end of the belt roller block (12) is equipped with an extrusion roller (13), the lower end of the extrusion roller (13) is equipped with an anti-overflow plate (14), the upper end of the driving roller (8) is equipped with a yarn guide guard plate (15), the upper end of the dyeing tank (1) is provided with a limit rod slide groove (16), the inner end of the limit rod slide groove (16) is equipped with an inner top spring (17), and the front end of the inner top spring (17) is equipped with a limit rod (18); the upper end of the dyeing tank (1) is equipped with a top motor (19), one end of the top motor (19) is equipped with a control rod screw shaft (20), the middle end of the control rod screw shaft (20) is equipped with a connecting rod pressure plate (21), the bottom end of the dyeing tank (1) is equipped with a bottom heating plate (22), and the upper end of the dyeing tank (1) is equipped with a controller (23).

3. The dyeing process of a blended yarn according to claim 2, characterized in that: The first pressing roller (4) forms a rotating structure with the dyeing tank (1) via a synchronous motor (3), and the first pressing roller (4) and the second pressing roller (5) are meshed with each other.

4. The dyeing process of a blended yarn according to claim 2, characterized in that: The yarn guide tooth plate (9) is threadably connected to the dyeing tank (1), and the yarn guide tooth plate (9) and the secondary pressing roller (5) are meshed with each other.

5. The dyeing process of a blended yarn according to claim 2, characterized in that: The yarn extrusion frame (7) forms a sliding structure with the dyeing tank (1) via the roller groove (6), and the frame limiting rod (18) is engaged and connected with the yarn extrusion frame (7) via the inner top spring (17).

6. The dyeing process of a blended yarn according to claim 2, characterized in that: The belt roller block (12) is threadedly connected to the control block screw (11), and the extrusion roller (13) forms a sliding structure with the yarn extrusion frame (7) through the control block screw (11).

7. The dyeing process of a blended yarn according to claim 2, characterized in that: The control rod screw shaft (20) forms a rotating structure with the dyeing tank (1) through the top position motor (19), and the control rod screw shaft (20) is threadedly connected to the connecting rod pressure plate (21).

8. The dyeing process of a blended yarn according to claim 2, characterized in that: The connecting rod pressing plate (21) forms a lifting structure with the dyeing tank (1) via the control rod screw shaft (20), and the lower end surface of the bottom heating plate (22) is tightly fitted with the inner end surface of the dyeing tank (1).

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