Dyeing yarn cleaning machine

Abstract

The utility model discloses a dyed yarn cleaning machine, which belongs to the field of textile equipment and comprises a box body, a yarn guide roller and an extrusion roller, the yarn guide roller and the extrusion roller are arranged in the box body according to a yarn advancing sequence, a liquid storage cylinder is arranged outside the box body, a dye adsorption film is arranged in the liquid storage cylinder, and a first liquid receiving tank for receiving liquid extruded by the extrusion roller is arranged below the extrusion roller. The first liquid receiving tank leads to the upper part of the liquid storage tank, the liquid storage tank is connected with a liquid feeding pipeline which flows back into the box body below the dye adsorption film, the first liquid receiving tank prevents liquid extruded from yarns from directly falling into the box body, and the liquid extruded from the yarns is conveyed into the liquid storage tank outside the box body through the first liquid receiving tank to remove dye; and finally, the liquid with the dye filtered out is fed back into the box body through the liquid feeding pipeline, so that the rapid rise of the dye concentration in the cleaning machine can be inhibited, the relative stability of the dye concentration in the cleaning machine is maintained, the liquid in the cleaning machine is prevented from being consumed too fast, and the water consumption for cleaning the floating color of the dyed yarn can be reduced.

Description

Technical Field

[0001] The utility model relates to a dyeing yarn cleaning machine, belonging to the field of textile equipment. Background Art

[0002] Traditional denim fabrics use pure cotton yarns dyed with indigo dye as warp yarns and off-white pure cotton yarns as weft yarns. Due to the characteristics of indigo dye itself, after being treated by the washing process (enzymatic washing, chlorine bleaching, oxygen bleaching, manganese bleaching), part of the indigo dye will fall off from the fabric, presenting a variety of fading effects on the fabric.

[0003] The process of dyeing the yarn is as follows: first, the yarn core is pretreated, then it is impregnated and dyed in 6 to 10 dyeing tanks, and finally it is washed in a water washing tank to remove floating color. This is because indigo dye is insoluble in water. When dyeing, sodium hydroxide and sodium hydrosulfite need to be added to the dyeing tank to reduce indigo dye into a soluble leuco body, and multiple impregnations are required to achieve dyeing; indigo dye adheres to the surface of the fiber with a small amount of hydrogen bonds and a large amount of van der Waals forces. After multiple impregnations, a large amount of floating color will appear on the surface of the yarn. If the step of washing the floating color in the water washing tank is missing, the color fastness of the fabric will be poor.

[0004] When washing the floating color, generally passing through 3 washing tanks, the yarn travels and turns by relying on the yarn guiding rollers. The existing cleaning machine will press and roll the yarn when the yarn leaves the cleaning machine, squeezing out a large amount of liquid in the yarn, which is beneficial to removing a large amount of floating color. However, this part of the squeezed water will directly flow back into the cleaning machine. This part of the water contains a large amount of dye. Flowing back into the cleaning machine will cause the dye concentration in the cleaning machine to rise rapidly, affecting the cleaning effect of the cleaning machine on the yarn. If the water is not changed in time, the color fastness of the woven fabric will be low. Therefore, the existing cleaning machine needs to change water frequently, consuming a large amount of water and generating a large amount of wastewater. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a dyeing yarn cleaning machine, which can avoid the rapid increase of the dye concentration in the cleaning machine and reduce the frequency of water change.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A dyeing yarn cleaning machine includes a box body, a yarn guiding roller and a squeezing roller arranged in the box body in the order of yarn travel. A liquid storage cylinder is arranged outside the box body. A dye adsorption membrane is arranged in the liquid storage cylinder. A first liquid receiving tank for receiving the liquid extruded by the squeezing roller is arranged below the squeezing roller. The first liquid receiving tank leads to the upper part of the liquid storage cylinder. The liquid storage cylinder is connected with a liquid delivery pipeline that returns to the box body under the dye adsorption membrane.

[0008] The dyeing yarn cleaning machine provided by the present application uses the first liquid receiving tank to transport the liquid extruded from the yarn to the liquid storage tank outside the box body to remove the dye, and then returns these liquids to the box body through the liquid supply pipeline, which can avoid the rapid increase of the dye concentration in the cleaning machine, is conducive to reducing the frequency of water replacement, and at the same time makes the dye concentration in the cleaning machine relatively stable, reduces the color difference of the yarns in the same batch, and reduces the problems of color staining and low color fastness after the yarns are woven into fabrics.

[0009] Further, a filter screen is also arranged in the liquid storage tank, and the filter screen is arranged above the dye adsorption membrane.

[0010] The filter screen is used to remove the fiber fluff carried out by the liquid when squeezing the yarn. The liquid storage tank removes the fiber fluff first and then adsorbs the dye, which is conducive to reducing the working load of the dye adsorption membrane and prolonging the service life of the dye adsorption membrane.

[0011] Further, the yarn guiding rollers include a lower yarn guiding roller arranged below the working liquid level of the box body and an upper yarn guiding roller arranged above the working liquid level of the box body. Along the advancing direction of the yarn, the upper yarn guiding roller and the lower yarn guiding roller are alternately distributed.

[0012] Further, below the upper yarn guiding roller that receives the yarn transmitted by the first lower yarn guiding roller, a second liquid receiving tank with an upward opening is arranged, and the second liquid receiving tank leads to the upper part of the liquid storage tank.

[0013] Further, the box body is provided with a discharge port above the working liquid level. After the first liquid receiving tank and the second liquid receiving tank are connected in the box body, they lead to the upper part of the liquid storage tank through the discharge port.

[0014] The first liquid receiving tank and the second liquid receiving tank are first connected and then discharged from the box body, which can save pipelines and reduce the complexity during the transformation of the conventional box body.

[0015] Further, the first liquid receiving tank is higher than the second liquid receiving tank, and a pouring tank is connected between the first liquid receiving tank and the second liquid receiving tank.

[0016] Further, both the first liquid receiving tank and the second liquid receiving tank are inclined downward. The lower end of the first liquid receiving tank is connected to the starting end of the pouring tank, the higher end of the second liquid receiving tank is connected to the end of the pouring tank, and the lower end of the second liquid receiving tank passes through the discharge port out of the box body until the upper part of the liquid storage tank.

[0017] Further, the first liquid receiving tank forms an angle of 1.5° - 5° with the horizontal plane, and the second liquid receiving tank forms an angle of 1.5° - 5° with the horizontal plane, which can ensure the flushing strength and avoid the liquid flowing out of the track (the first liquid receiving tank, the pouring tank, and the second liquid receiving tank) when the flow rate is too large during turning.

[0018] Furthermore, a tension roller is disposed between the squeezing roller and the last yarn guiding roller.

[0019] Furthermore, a lifting pump is connected in series on the liquid supply pipeline, a stirring paddle is disposed in the box body, and the outlet of the liquid supply pipeline is aligned with the stirring paddle, which is beneficial to accelerating the mixing of the original liquid in the box body and the liquid flowing back from the liquid storage cylinder to the box body.

[0020] The beneficial effects of the present utility model are as follows: The dyeing yarn cleaning machine of the present utility model uses the first liquid receiving tank to prevent the liquid squeezed out from the yarn from directly falling into the box body, transports the liquid squeezed out from the yarn to the liquid storage cylinder outside the box body through the first liquid receiving tank to remove the dye, and finally returns the liquid from which the dye has been removed to the box body through the liquid supply pipeline, which can inhibit the rapid increase of the dye concentration in the cleaning machine, maintain the relative stability of the dye concentration in the cleaning machine, avoid the excessive consumption of the liquid in the cleaning machine, and can reduce the water consumption when cleaning the floating color of the dyed yarn.

[0021] Other features and advantages of the present application will be described in the subsequent description, and part of them will become obvious from the description, or be understood by implementing the present application. The objectives and other advantages of the present application can be achieved and obtained through the structures specifically pointed out in the written description and the drawings. Description of the Drawings

[0022] Figure 1 FIG. is a perspective view of a dyeing yarn cleaning machine provided by an embodiment of the present application.

[0023] Figure 2 FIG. is a schematic principle diagram of a dyeing yarn cleaning machine provided by an embodiment of the present application.

[0024] Figure 3 FIG. is a schematic internal structure diagram of a dyeing yarn cleaning machine provided by an embodiment of the present application.

[0025] Figure 4 FIG. is a connection relationship diagram of the first liquid receiving tank, the pouring tank, and the second liquid receiving tank.

[0026] Reference numerals: 1, box body; 11, outlet; 12, stirring paddle; 2, squeezing roller; 31, first liquid receiving tank; 32, second liquid receiving tank; 33, pouring tank; 4, liquid storage cylinder; 41, dye adsorption film; 42, filter screen; 43, liquid supply pipeline; 44, lifting pump; 51, lower yarn guiding roller; 52, upper yarn guiding roller; 6, tension roller; 8, liquid level gauge; 9, yarn. Detailed Embodiments

[0027] The embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0028] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between various embodiments and / or settings discussed.

[0029] Referring to Figure 1 and Figure 2 , an embodiment of the present application provides a dyeing yarn cleaning machine, which includes a box body 1, a yarn guiding roller, and a squeezing roller 2 arranged in the box body 1 in the order of yarn travel. A liquid storage cylinder 4 is arranged outside the box body 1. A dye adsorption film 41 is arranged in the liquid storage cylinder 4. A first liquid receiving tank 31 for receiving the liquid extruded by the squeezing roller 2 is arranged below the squeezing roller 2. The first liquid receiving tank 31 leads to the upper part of the liquid storage cylinder 4. A liquid delivery pipeline 43 for returning to the box body 1 is connected below the dye adsorption film 41 in the liquid storage cylinder 4.

[0030] The dyeing yarn cleaning machine uses the first liquid receiving tank 31 to prevent the liquid extruded from the yarn 9 from directly falling into the box body 1. The liquid is transported to the liquid storage cylinder 4 outside the box body 1 through the first liquid receiving tank 31 to remove the dye, and finally the liquid with the dye removed is returned to the box body 1 through the liquid delivery pipeline 43, which can reduce the water consumption when cleaning the floating color of the dyeing yarn. The embodiment of the present application does not directly discharge the extruded liquid, which is beneficial to maintaining the relative stability of the liquid volume in the cleaning machine. In fact, it is impossible to completely avoid the yarn from taking away the water in the cleaning machine. As shown in Figure 2 , a liquid level gauge 8 can be set to monitor the liquid volume in the cleaning machine, and tap water can be added manually or automatically.

[0031] The embodiment of the present application can also avoid the rapid increase of the dye concentration in the cleaning machine, which is beneficial to reducing the frequency of water change, while making the dye concentration in the cleaning machine relatively stable, reducing the color difference of the same batch of yarns, and reducing the problems of color bleeding and low color fastness after the yarns are woven into fabrics.

[0032] It should be noted that, in order to avoid a dense black line in the attached drawing making it difficult to identify each structure, in Figure 1 and Figure 3In [the figure], the yarn 9 is drawn as a sheet. Those skilled in the art understand that this does not represent the fabric, but rather multiple parallel yarns that are not intertwined.

[0033] When the squeezing roller 2 squeezes the yarn 9, in addition to squeezing out a large amount of liquid, some fiber fluff will also be carried out. Preferably, a filter screen 42 is further provided in the liquid storage tank 4, and the filter screen 42 is arranged above the dye adsorption membrane 41. First removing the fiber fluff with the filter screen 42 and then adsorbing the dye is beneficial to reducing the working load of the dye adsorption membrane 41 and extending the service life of the dye adsorption membrane. The dye adsorption membrane is a prior art, such as an activated carbon adsorption membrane, or some cationic dye adsorption membranes in the prior art.

[0034] The yarn guiding rollers include a lower yarn guiding roller 51 arranged below the working liquid level of the box body 1 and an upper yarn guiding roller 52 arranged above the working liquid level of the box body 1. Along the advancing direction of the yarn, the upper yarn guiding roller 52 and the lower yarn guiding roller 51 are alternately distributed, so that the yarn 9 is repeatedly soaked in water and drained of water, which is beneficial to washing off the floating color.

[0035] Refer to Figures 1 to 3 , below the upper yarn guiding roller 52 that receives the yarn transmitted by the first lower yarn guiding roller 51, a second liquid receiving groove 32 with an upward opening is provided, and the second liquid receiving groove 32 leads to the upper part of the liquid storage tank 4.

[0036] It should be noted that Figure 2 only for the purpose of explaining the principle, so the positions of components such as the liquid storage tank 4 do not necessarily correspond to Figure 1 the actual positions in Figure 2 . In

[0037] , solid arrows indicate the liquid flow direction, and hollow arrows indicate the yarn advancing direction.

[0038] Refer to Figure 1 and Figure 3 , the box body 1 is provided with a discharge port 11 above the working liquid level. After the first liquid receiving groove 31 and the second liquid receiving groove 32 are connected in the box body 1, they lead to the upper part of the liquid storage tank 4 through the discharge port 11. Specifically, the connection method between the first liquid receiving groove 31 and the second liquid receiving groove 32 is, for example: the first liquid receiving groove 31 is higher than the second liquid receiving groove 32, and a pouring groove 33 is connected between the first liquid receiving groove 31 and the second liquid receiving groove 32.

[0039] Refer to Figure 4, both the first liquid receiving tank 31 and the second liquid receiving tank 32 are inclined downward. The lower end of the first liquid receiving tank 31 is connected to the starting end of the pouring tank 33, and the higher end of the second liquid receiving tank 32 is connected to the ending end of the pouring tank 33. The lower end of the second liquid receiving tank 32 passes through the box body 1 through the outlet 11 until above the liquid storage cylinder 4.

[0040] Compared with the liquid extruded by the extrusion roller 2, the liquid falling from the A roller is less and the dye concentration is greater. The first liquid receiving tank 31, the pouring tank 33, and the second liquid receiving tank 32 are connected in series, and all three are inclined downward, which can automatically drain the liquid received by the first liquid receiving tank 31 and the second liquid receiving tank 32 to the liquid storage cylinder 4 by gravity. The first liquid receiving tank 31 has a large flow rate and continuously flushes the second liquid receiving tank 32 with less liquid volume and higher concentration from a high place, which can prevent dyes and fiber fluff from accumulating and scaling in the second liquid receiving tank 32.

[0041] If the inclination angle of the track (specifically referring to the first liquid receiving tank, the pouring tank, and the second liquid receiving tank) is insufficient, the flushing force is not enough. If the inclination angle is too large, the liquid is likely to rush out of the track when flowing through the turning point and fall into the box body 1. Preferably, the first liquid receiving tank 31 forms an angle of 1.5° - 5° with the horizontal plane, and the second liquid receiving tank 32 forms an angle of 1.5° - 5° with the horizontal plane. Similarly, the pouring tank 33 also forms an angle of 1.5° - 5° with the horizontal plane.

[0042] In a preferred embodiment, a tension roller 6 is provided between the extrusion roller 2 and the last yarn guiding roller. The tension roller 6 is used to adjust the tension of the yarn 9 so that the yarn 9 enters the extrusion roller 2 for extrusion in a good state.

[0043] There is a certain dye concentration difference between the liquid from which the dye has been removed in the liquid storage cylinder 4 and the liquid in the box body 1. Refer to Figure 2 , a lift pump 44 is connected in series on the liquid supply pipeline 43. A stirring paddle 12 is arranged in the box body 1, and the outlet of the liquid supply pipeline 43 is aligned with the stirring paddle 12, which is beneficial to accelerating the mixing of the two parts of the liquid and reducing the color difference of the yarns in the same batch.

[0044] In the description of this specification, the descriptions referring to terms such as "one embodiment", "certain embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0045] The above are the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A dyed yarn cleaning machine, comprising a housing (1) and a yarn guide roller and a squeeze roller (2) arranged in the housing (1) in the order in which the yarn travels, characterized in that: A liquid storage cylinder (4) is arranged outside the housing (1), a dye adsorption membrane (41) is arranged inside the liquid storage cylinder (4), a first liquid receiving groove (31) for receiving liquid squeezed out by the squeezing roller (2) is arranged below the squeezing roller (2), the first liquid receiving groove (31) leads to the top of the liquid storage cylinder (4), and the liquid storage cylinder (4) is connected to a liquid delivery pipeline (43) below the dye adsorption membrane (41) for returning to the housing (1).

2. The dyed yarn cleaning machine according to claim 1, characterized in that: A filter screen (42) is also provided in the liquid storage cylinder (4), and the filter screen (42) is provided on the dye adsorption membrane (41).

3. The dyed yarn cleaning machine according to claim 1, characterized in that: The yarn guide rollers comprise a lower yarn guide roller (51) arranged below the working liquid level of the box (1) and an upper yarn guide roller (52) arranged above the working liquid level of the box (1); along the traveling direction of the yarn, the upper yarn guide roller (52) and the lower yarn guide roller (51) are alternately distributed.

4. The dyed yarn cleaning machine according to claim 3, characterized in that: A second liquid receiving groove (32) with an upward opening is provided below the upper yarn guide roller (52) for receiving the yarn transmitted by the first lower yarn guide roller (51), and the second liquid receiving groove (32) leads to the top of the liquid storage cylinder (4).

5. The dyed yarn cleaning machine according to claim 4, characterized in that: The box body (1) is provided with a guide outlet (11) above the working liquid level; after the first liquid receiving groove (31) and the second liquid receiving groove (32) are connected in the box body (1), they lead to the top of the liquid storage cylinder (4) through the guide outlet (11).

6. The dyed yarn cleaning machine according to claim 5, characterized in that: The first liquid receiving trough (31) is higher than the second liquid receiving trough (32), and a pouring trough (33) is connected between the first liquid receiving trough (31) and the second liquid receiving trough (32).

7. The dyed yarn cleaning machine according to claim 6, characterized in that: The first liquid receiving groove (31) and the second liquid receiving groove (32) are both inclined downwards; the lower end of the first liquid receiving groove (31) is connected to the beginning of the pouring groove (33); the higher end of the second liquid receiving groove (32) is connected to the end of the pouring groove (33); the lower end of the second liquid receiving groove (32) passes through the guide port (11) out of the box (1) to the top of the liquid storage cylinder (4).

8. The dyed yarn cleaning machine according to claim 7, characterized in that: The first liquid receiving groove (31) forms an angle of 1.5° to 5° with the horizontal plane, and the second liquid receiving groove (32) forms an angle of 1.5° to 5° with the horizontal plane.

9. The dyed yarn cleaning machine according to claim 1, characterized in that: A tensioning roller (6) is arranged between the squeezing roller (2) and the yarn guide roller located at the rear end.

10. The dyed yarn cleaning machine according to claim 1, characterized in that: A lift pump (44) is connected in series to the liquid delivery pipeline (43), a stirring paddle (12) is arranged in the housing (1), and an outlet of the liquid delivery pipeline (43) is aligned with the stirring paddle (12).

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