Blended cotton yarn arranging device and method

Abstract

The invention relates to the field of yarn processing, in particular to a blended cotton yarn arranging device and method, the blended cotton yarn arranging device comprises a workbench and blended cotton yarn, and the workbench is provided with a guide mechanism for conveying the blended cotton yarn; the tensioning mechanism is used for dynamically tensioning the blended cotton yarn in the conveying process; the water receiving tank is arranged on the workbench, the blended cotton yarn penetrates through the two sides of the water receiving tank, and a water spraying mechanism for spraying water to the blended cotton yarn from the upper portion is arranged in the water receiving tank; the thread cutting mechanism is arranged on the inner wall of the water receiving tank, located below the blended cotton yarn and used for cutting down plush and miscellaneous threads on the surface of the blended cotton yarn; and the rotating mechanism is arranged below the workbench and is used for driving the blended cotton yarns to continuously perform forward and reverse rotation. According to the device, through forward and reverse rotation of the blended cotton yarn, under the action of centrifugal force, plush and miscellaneous yarn on the surface of the blended cotton yarn can be thrown down or spread outwards, and full cleaning of the surface of the blended cotton yarn can be conveniently completed through water flow and the cutter.

Description

Technical Field

[0001] The invention relates to the technical field of yarn processing, and in particular to a blended cotton yarn arranging device and a arranging method. Background Art

[0002] Blended cotton yarn is a type of yarn that is made from a mixture of fibers, usually cotton and other fibers, such as polyester. This blended cotton yarn typically has the comfort and breathability of cotton, but also has the properties of the other fibers, such as abrasion resistance and easy care. Blended cotton yarn is widely used in textile manufacturing and can be used to make a variety of clothing and household items.

[0003] A Chinese patent with announcement number CN116334859B discloses a wire-straightening device for cotton yarn processing. The burrs and pills on the surface of the cotton yarn are softened by heating and humidifying with a softening device, and then the burrs and pills are removed by the blade of a deburring device. Finally, the cotton yarn is dried by a drying device and then rolled up, thereby solving the problem that the burrs and pills on the surface of the cotton yarn are difficult to handle.

[0004] However, the above-mentioned publicly disclosed scheme has the following shortcomings: after the softening device wets the yarn, the burrs and hair balls may stick to the yarn, and the subsequent blade cannot successfully remove the burrs and hair balls that are close to the yarn surface. After drying, the burrs and hair balls will unfold again, affecting the yarn quality. The V-shaped blade edge on the blade can easily damage the yarn, and the burrs and hair balls may be difficult to completely remove due to the gap between the yarn and the blade. Summary of the invention

[0005] The purpose of the present invention is to propose a blended cotton yarn organizing device and a blended cotton yarn organizing method to address the problem that burrs and pills are difficult to fully remove and the blended cotton yarn is easily damaged during the blended cotton yarn organizing process in the background technology.

[0006] On the one hand, the present invention provides a blended cotton yarn arrangement device, comprising a workbench and blended cotton yarn, wherein a guide mechanism for conveying the blended cotton yarn is arranged on the workbench; and further comprising: A tensioning mechanism, arranged on a workbench, is used to dynamically tension the blended cotton yarn being conveyed; A water receiving box is arranged on the workbench, and the blended cotton yarn passes through both sides of the water receiving box. A water spraying mechanism for spraying water from above to the blended cotton yarn is arranged in the water receiving box; The thread cutting mechanism is arranged on the inner wall of the water receiving box and is located below the blended cotton yarn, and is used to cut off the fluff and miscellaneous threads on the surface of the blended cotton yarn; And a rotating mechanism is arranged under the workbench and is used to drive the blended cotton yarn to continuously rotate in forward and reverse directions.

[0007] Preferably, the water spraying mechanism includes a horizontal pipe horizontally arranged above the inner wall of the water receiving box, a water inlet pipe connected to the horizontal pipe, and a plurality of nozzles arranged at the bottom of the horizontal pipe, the nozzles facing the blended cotton yarn.

[0008] Preferably, a drainage trough is provided at the bottom of the water receiving box, a filter screen is provided on the inner wall of the water receiving box, the drainage trough is located below the filter screen, and the filter screen is located below the blended cotton yarn.

[0009] Preferably, the tangent mechanism includes an arc-shaped plate arranged on the inner wall of the water receiving box, a cutting groove is arranged on the arc-shaped plate, and cutting knives are arranged on the groove walls on both sides opposite to each other of the cutting groove. The inner wall of the arc-shaped plate is in contact with the blended cotton yarn, and the cutting knife does not exceed the inner circumferential surface of the arc-shaped plate. The fluff and stray threads on the surface of the blended cotton yarn are cut off by the cutting knife.

[0010] Preferably, the rotating mechanism includes a rotating cylinder, end covers arranged at both ends of the rotating cylinder, an elliptical piece arranged in the rotating cylinder, and two connecting plates arranged on the elliptical piece; the end covers and both ends of the rotating cylinder are detachably connected, the connecting plate and the inner circumferential wall of the rotating cylinder are connected, and strip grooves are arranged on the two connecting plates, and multiple elastic pressure wheels are rotatably arranged on the groove walls of the strip grooves. The blended cotton yarn passes between the two connecting plates and through the two end covers, and the blended cotton yarn is squeezed by the elastic pressure wheels. In the conveying direction of the blended cotton yarn, the elastic pressure wheels rotate freely.

[0011] Preferably, the guide mechanism includes a guide wheel a, a guide wheel b, and a support plate for installing the guide wheel a and the guide wheel b; the support plate is arranged on a workbench, the guide wheel a and the guide wheel b are rotatably connected to the support plate, and the guide wheel a and the guide wheel b are in rolling contact with the blended cotton yarn from below; two groups of guide mechanisms are arranged, and the two groups of guide mechanisms are respectively located at two ends of the workbench.

[0012] Preferably, the tensioning mechanism includes a support frame arranged on the workbench, a telescopic device vertically arranged on the support frame, and a mounting frame arranged at the bottom of the telescopic device, on which a tension measuring roller is arranged, the tension measuring roller is located between the guide wheel a and the guide wheel b, and the tension measuring roller presses down the blended cotton yarn between the guide wheel a and the guide wheel b; two groups of tensioning mechanisms are arranged.

[0013] On the other hand, the present invention provides a yarn organizing method for a blended cotton yarn organizing device, comprising the following steps: S1, conveying and guiding the blended cotton yarn through a guiding mechanism, and allowing the blended cotton yarn to pass through a water receiving box; S2, the rotating drum rotates forward and reversely, driving the blended cotton yarn to rotate forward and reverse continuously through the elliptical member, the connecting plate and the elastic pressure wheel; S3, the water spraying mechanism sprays water to the blended cotton yarn, and the water spraying can take away the fluff and some miscellaneous threads attached to the surface of the blended cotton yarn. At the same time, the blended cotton yarn is constantly rotating in the forward and reverse directions. Under the action of centrifugal force, the fluff and miscellaneous threads on the surface of the blended cotton yarn will fall off or spread outward, and the surface of the blended cotton yarn can be thoroughly cleaned by the cutter, and under the action of the water flow, the fluff and miscellaneous threads on the cutter will fall off and be discharged, so that the cutter can continue to work effectively; S4, water is discharged through the filter and drain, and fluff and miscellaneous lines accumulate on the filter; S5. The blended cotton yarn is continuously wound up through subsequent winding equipment.

[0014] Compared with the prior art, the present invention has the following beneficial technical effects: a rotating mechanism is provided to drive the blended cotton yarn to rotate continuously in the forward and reverse directions. Under the action of centrifugal force, the fluff and stray threads on the surface of the blended cotton yarn will be thrown off or stretched outward, so that the surface of the blended cotton yarn can be fully cleaned by water flow and a cutter, and the blended cotton yarn is attached to the inner wall of the arc plate, and the blended cotton yarn is dynamically tensioned by a tensioning mechanism, so that the cutter cannot contact the main body of the blended cotton yarn, and the blended cotton yarn will not be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of an embodiment of the present invention; Figure 2 for Figure 1 Schematic diagram of the structure after removing the workbench; Figure 3 for Figure 2 Cross-sectional view of some mechanisms; Figure 4 It is a structural schematic diagram of the curved plate; Figure 5 It is a structural schematic diagram of the rotating mechanism; Figure 6 Schematic diagram of the internal structure of the rotating cylinder.

[0016] Figure numerals: 1. workbench; 2. blended cotton yarn; 3. guide wheel a; 4. guide wheel b; 5. support plate; 6. support frame; 7. telescopic device; 8. mounting frame; 9. tension measuring roller; 10. water receiving box; 11. horizontal pipe; 12. water inlet pipe; 13. nozzle; 14. arc plate; 15. cutting knife groove; 16. cutting knife; 17. filter screen; 18. drainage trough; 19. rotating cylinder; 20. end cover; 21. fixing block; 22. bolt; 23. driven gear; 24. motor; 25. driving gear; 26. mounting seat; 27. elliptical piece; 28. connecting plate; 29. ​​strip groove; 30. elastic pressure wheel. DETAILED DESCRIPTION

[0017] Embodiment 1, as Figure 1-Figure 6As shown, a blended cotton yarn arrangement method proposed by the present invention comprises the following steps: S1, the blended cotton yarn 2 is conveyed and guided by two sets of guide wheels a3 and guide wheels b4, and the blended cotton yarn 2 passes through the water receiving box 10 and the two connecting plates 28, and the blended cotton yarn 2 is dynamically tensioned by two tension measuring rollers 9. Specifically, a pressure sensor is distributed on the surface of the tension measuring roller 9, and the pressure sensor sends a pressure signal to the control system to obtain a tension value, and then the tension of the blended cotton yarn 2 is controlled by the extension and contraction of the telescopic device 7. The tension measuring roller 9 is a roller that can measure the contact force between the blended cotton yarn 2 and it in real time, which is a prior art. For details, please refer to the invention patent with application number 2021114666319, which introduces a structure that can rotate and detect the tension value in real time; S2, the motor 24 is a forward and reverse motor, the motor 24 drives the rotating cylinder 19 to rotate forward and reverse through the driving gear 25 and the driven gear 23, and drives the blended cotton yarn 2 to rotate forward and reverse continuously through the elliptical member 27, the connecting plate 28 and the elastic pressure wheel 30; S3, the water inlet pipe 12 is connected to the water supply equipment, and water is sprayed to the blended cotton yarn 2 through the horizontal pipe 11 and the nozzle 13, and the water spray can take away the fluff and some miscellaneous threads attached to the surface of the blended cotton yarn 2. At the same time, the blended cotton yarn 2 is constantly rotating in the forward and reverse directions. Under the action of centrifugal force, the fluff and miscellaneous threads on the surface of the blended cotton yarn 2 will fall off or spread outward, and the surface of the blended cotton yarn 2 can be thoroughly cleaned by the cutter 16. Under the action of the water flow, the fluff and miscellaneous threads on the cutter 16 will fall onto the filter 17, so that the cutter 16 can continue to work effectively; S4, water is discharged through the filter 17 and the drain trough 18, and the fluff and miscellaneous threads are accumulated on the filter 17; S5. Continue to wind up the blended cotton yarn 2 through subsequent winding equipment.

[0018] Embodiment 2, as Figure 1-Figure 3 As shown, a blended cotton yarn arrangement device proposed by the present invention comprises a workbench 1 and a blended cotton yarn 2, wherein a guide mechanism for conveying the blended cotton yarn 2 is arranged on the workbench 1; and further comprises: A tensioning mechanism is arranged on the workbench 1 and is used to dynamically tension the blended cotton yarn 2 being transported; A water receiving box 10 is arranged on the workbench 1, and the blended cotton yarn 2 passes through both sides of the water receiving box 10. Specifically, through holes are arranged on both sides of the water receiving box 10, and elastic rings are arranged in the through holes. The blended cotton yarn 2 passes through two elastic rings. A water spraying mechanism for spraying water from the top to the blended cotton yarn 2 is arranged in the water receiving box 10; a drainage groove 18 is arranged at the bottom of the water receiving box 10, and a filter screen 17 is arranged on the inner wall of the water receiving box 10, and the drainage groove 18 is located below the filter screen 17, and the filter screen 17 is located below the blended cotton yarn 2; The thread cutting mechanism is arranged on the inner wall of the water receiving box 10 and is located below the blended cotton yarn 2, and is used to cut off the fluff and miscellaneous threads on the surface of the blended cotton yarn 2; And a rotating mechanism is arranged under the workbench and is used to drive the blended cotton yarn 2 to continuously rotate in forward and reverse directions.

[0019] Embodiment three, as Figure 3 and Figure 4 As shown, a blended cotton yarn organizing device proposed by the present invention, compared with the second embodiment, this embodiment introduces the structure of the water spraying mechanism and the thread cutting mechanism in detail.

[0020] The water spraying mechanism includes a transverse pipe 11 horizontally arranged above the inner wall of the water receiving box 10, a water inlet pipe 12 connected to the transverse pipe 11, and a plurality of nozzles 13 arranged at the bottom of the transverse pipe 11, the nozzles 13 are directed toward the blended cotton yarn 2. In an optional embodiment, the nozzles 13 are inclined, and the water spraying direction is opposite to the conveying direction of the blended cotton yarn 2, which has a greater impact force and is convenient for knocking down the fluff and stray threads on the blended cotton yarn 2. In another optional embodiment, a connecting flange is provided at the end of the water inlet pipe 12 to facilitate quick connection of the water inlet pipe 12 and the water supply equipment.

[0021] The tangent mechanism includes an arc-shaped plate 14 arranged on the inner wall of the water receiving box 10, a cutting groove 15 is arranged on the arc-shaped plate 14, and cutting knives 16 are arranged on the groove walls on both sides opposite to the cutting groove 15. The inner wall of the arc-shaped plate 14 is in contact with the blended cotton yarn 2, and the cutting knife 16 does not exceed the inner circumference of the arc-shaped plate 14. The fluff and stray threads on the surface of the blended cotton yarn 2 are cut off by the cutting knife 16. In an optional embodiment, the two groups of cutting knives 16 form a certain angle with the vertical plane, the angle is 30°-60°, and the fluff and stray threads scraped off by the cutting knife 16 are carried away by the water flow through the cutting groove 15.

[0022] Embodiment 4, as Figure 5-Figure 6 As shown, a blended cotton yarn organizing device proposed by the present invention, compared with the second embodiment, this embodiment introduces the structure of the rotating mechanism in detail.

[0023] The rotating mechanism includes a rotating cylinder 19, end covers 20 arranged at both ends of the rotating cylinder 19, an elliptical member 27 arranged in the rotating cylinder 19, and two connecting plates 28 arranged on the elliptical member 27; the end covers 20 and the two ends of the rotating cylinder 19 are detachably connected. Specifically, the outer diameter of the end cover 20 is larger than the outer diameter of the rotating cylinder 19, a plurality of fixing blocks 21 are arranged on the outer peripheral wall of the rotating cylinder 19, and the fixing blocks and the end covers 20 are arranged with relative threaded holes. The end covers 20 and the fixing blocks 21 are connected by bolts 22, and the connecting plates 28 are connected to the inner peripheral wall of the rotating cylinder 19. The two connecting plates 28 are both provided with strip grooves 29, and a plurality of elastic pressure wheels 30 are rotatably arranged on the groove wall of the strip groove 29. The cotton yarn 2 passes through between the two connecting plates 28 and through the two end covers 20, and the blended cotton yarn 2 is squeezed by the elastic pressure wheel 30. In the conveying direction of the blended cotton yarn 2, the elastic pressure wheel 30 rotates freely to ensure the normal conveying of the blended cotton yarn 2. When the rotating cylinder 19 rotates, the resistance of the elastic pressure wheel 30 can drive the blended cotton yarn 2 to rotate. A mounting seat 26 is arranged on the workbench 1, and a motor 24 is arranged on the mounting seat 26. A driving gear 25 is arranged on the output shaft of the motor 24. A driven gear 23 is arranged on the outer peripheral wall of the rotating cylinder 19, and the driving gear 25 is meshed with the driven gear 23. A bracket is arranged on the workbench 1, and the rotating cylinder 19 is rotatably arranged on the bracket.

[0024] Embodiment 5, as Figure 1 As shown, a blended cotton yarn organizing device proposed by the present invention, compared with the second embodiment, this embodiment introduces the structure of the guide mechanism in detail.

[0025] The guide mechanism includes a guide wheel a3, a guide wheel b4, and a support plate 5 for installing the guide wheel a3 and the guide wheel b4; the support plate 5 is set on the workbench 1, the guide wheel a3 and the guide wheel b4 are rotatably connected to the support plate 5, and the guide wheel a3 and the guide wheel b4 are in rolling contact with the blended cotton yarn 2 from below; two groups of guide mechanisms are set, and the two groups of guide mechanisms are respectively located at both ends of the workbench 1.

[0026] Embodiment six, as Figure 1 As shown, a blended cotton yarn organizing device proposed by the present invention, compared with the fifth embodiment, this embodiment introduces the structure of the tensioning mechanism in detail.

[0027] The tensioning mechanism includes a support frame 6 arranged on the workbench 1, a telescopic device 7 vertically arranged on the support frame 6, and a mounting frame 8 arranged at the bottom of the telescopic device 7, a tension measuring roller 9 is arranged on the mounting frame 8, and the tension measuring roller 9 is located between the guide wheel a3 and the guide wheel b4, and the tension measuring roller 9 presses down the blended cotton yarn 2 between the guide wheel a3 and the guide wheel b4; two groups of tensioning mechanisms are arranged; during dynamic tensioning, the tension measuring roller 9 detects the contact tension of the blended cotton yarn 2 with it in real time, and sends the tension data signal to the control system, and the control system dynamically controls the extension and retraction of the telescopic device 7 according to the set tension range. Specifically, when the telescopic device 7 is extended, the tensioning force of the tension measuring roller 9 on the blended cotton yarn 2 is increased, and conversely, when the telescopic device 7 is contracted, the tensioning force of the tension measuring roller 9 on the blended cotton yarn 2 is reduced, thereby always keeping the blended cotton yarn 2 in a suitable tension state.

[0028] In summary, when the present invention is in use, the blended cotton yarn 2 is conveyed and guided by two sets of guide wheels a3 and guide wheels b4, and the blended cotton yarn 2 passes through the water receiving box 10 and two connecting plates 28, and the blended cotton yarn 2 is dynamically tensioned by two tension measuring rollers 9, the motor 24 drives the rotating cylinder 19 to rotate forward and reversely through the driving gear 25 and the driven gear 23, and drives the blended cotton yarn 2 to rotate forward and reversely through the elliptical part 27, the connecting plate 28 and the elastic pressure wheel 30, the water inlet pipe 12 is connected to the water supply equipment, and the blended cotton yarn is supplied to the water supply pipe 12 through the horizontal pipe 11 and the nozzle 13. 2 is sprayed with water, which can take away the fluff and some miscellaneous threads attached to the surface of the blended cotton yarn 2. At the same time, the blended cotton yarn 2 is constantly rotating in the forward and reverse directions. Under the action of centrifugal force, the fluff and miscellaneous threads on the surface of the blended cotton yarn 2 will fall off or spread outward. The surface of the blended cotton yarn 2 can be thoroughly cleaned by the cutter 16, and under the action of water flow, the fluff and miscellaneous threads on the cutter 16 will fall onto the filter screen 17, keeping the cutter 16 working effectively, and the water is discharged through the filter screen 17 and the drain trough 18. The fluff and miscellaneous threads are accumulated on the filter screen 17, and the filter screen 17 can be cleaned regularly.

[0029] In the present invention, a rotating mechanism is provided to drive the blended cotton yarn 2 to rotate continuously in the forward and reverse directions. Under the action of centrifugal force, the fluff and scattered threads on the surface of the blended cotton yarn 2 will be thrown off or stretched outward, so that the surface of the blended cotton yarn 2 can be fully cleaned by water flow and the cutter 16. The blended cotton yarn 2 is attached to the inner wall of the arc plate 14, and the blended cotton yarn 2 is dynamically tensioned by the tensioning mechanism, so that the cutter 16 cannot contact the main body of the blended cotton yarn 2, and the blended cotton yarn 2 will not be damaged.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A blended cotton yarn arranging device, comprising a workbench (1) and blended cotton yarn (2), wherein a guide mechanism for conveying the blended cotton yarn (2) is arranged on the workbench (1); characterized in that: Also includes: A tensioning mechanism, disposed on a workbench (1), and used to dynamically tension the blended cotton yarn (2) being transported; A water receiving box (10) is arranged on the workbench (1), the blended cotton yarn (2) passes through both sides of the water receiving box (10), and a water spraying mechanism is arranged in the water receiving box (10) for spraying water from above onto the blended cotton yarn (2); A thread cutting mechanism, arranged on the inner wall of the water receiving box (10) and located below the blended cotton yarn (2), for cutting off the fluff and miscellaneous threads on the surface of the blended cotton yarn (2); and a rotating mechanism, which is arranged under the workbench and is used to drive the blended cotton yarn (2) to continuously rotate in forward and reverse directions.

2. The blended cotton yarn arrangement device according to claim 1, characterized in that: The water spraying mechanism comprises a horizontal pipe (11) arranged horizontally above the inner wall of the water receiving box (10), a water inlet pipe (12) connected to the horizontal pipe (11), and a plurality of spray heads (13) arranged at the bottom of the horizontal pipe (11), the spray heads (13) facing the blended cotton yarn (2).

3. The blended cotton yarn arrangement device according to claim 1, characterized in that: A drainage trough (18) is provided at the bottom of the water receiving box (10), a filter screen (17) is provided on the inner wall of the water receiving box (10), the drainage trough (18) is located below the filter screen (17), and the filter screen (17) is located below the blended cotton yarn (2).

4. The blended cotton yarn arrangement device according to claim 3, characterized in that: The thread cutting mechanism comprises an arc-shaped plate (14) arranged on the inner wall of the water receiving box (10), a cutting groove (15) being arranged on the arc-shaped plate (14), and cutting knives (16) being arranged on the groove walls on both sides opposite to each other of the cutting groove (15), the inner wall of the arc-shaped plate (14) being in contact with the blended cotton yarn (2), the cutting knives (16) not exceeding the inner peripheral surface of the arc-shaped plate (14), and the fluff and miscellaneous threads on the surface of the blended cotton yarn (2) being cut off by the cutting knives (16).

5. The blended cotton yarn arrangement device according to claim 4, characterized in that: The rotating mechanism comprises a rotating cylinder (19), end covers (20) arranged at both ends of the rotating cylinder (19), an elliptical member (27) arranged in the rotating cylinder (19), and two connecting plates (28) arranged on the elliptical member (27); the end covers (20) and both ends of the rotating cylinder (19) are detachably connected, the connecting plates (28) and the inner peripheral wall of the rotating cylinder (19) are connected, the two connecting plates (28) are provided with strip grooves (29), a plurality of elastic pressing wheels (30) are rotatably arranged on the groove walls of the strip grooves (29), the blended cotton yarn (2) passes between the two connecting plates (28) and through the two end covers (20), the blended cotton yarn (2) is squeezed by the elastic pressing wheels (30), and the elastic pressing wheels (30) are freely rotatable in the conveying direction of the blended cotton yarn (2).

6. The blended cotton yarn arrangement device according to claim 1, characterized in that: The guide mechanism comprises a guide wheel a (3), a guide wheel b (4), and a support plate (5) for mounting the guide wheel a (3) and the guide wheel b (4); the support plate (5) is arranged on a workbench (1), the guide wheel a (3) and the guide wheel b (4) are rotatably connected to the support plate (5), and the guide wheel a (3) and the guide wheel b (4) are in rolling contact with the blended cotton yarn (2) from below; two groups of guide mechanisms are arranged, and the two groups of guide mechanisms are respectively located at two ends of the workbench (1).

7. The blended cotton yarn arrangement device according to claim 6, characterized in that: The tensioning mechanism comprises a support frame (6) arranged on a workbench (1), a telescopic device (7) vertically arranged on the support frame (6), and a mounting frame (8) arranged at the bottom of the telescopic device (7), a tension measuring roller (9) being arranged on the mounting frame (8), the tension measuring roller (9) being located between the guide wheel a (3) and the guide wheel b (4), and the tension measuring roller (9) pressing down the blended cotton yarn (2) between the guide wheel a (3) and the guide wheel b (4); Two groups of tensioning mechanisms are provided.

8. A yarn arranging method, using the blended cotton yarn arranging device according to claim 5, characterized in that: The following steps are involved: S1, conveying and guiding the blended cotton yarn (2) through a guiding mechanism, and allowing the blended cotton yarn (2) to pass through a water receiving box (10); S2, the rotating drum (19) rotates forward and reversely, driving the blended cotton yarn (2) to continuously rotate forward and reversely through the elliptical member (27), the connecting plate (28) and the elastic pressure wheel (30); S3, the water spraying mechanism sprays water onto the blended cotton yarn (2), and the water spraying can remove the fluff and some of the miscellaneous threads attached to the surface of the blended cotton yarn (2). At the same time, the blended cotton yarn (2) is continuously rotating in the forward and reverse directions. Under the action of centrifugal force, the fluff and miscellaneous threads on the surface of the blended cotton yarn (2) will fall off or spread outwards, and the surface of the blended cotton yarn (2) can be thoroughly cleaned by the cutter (16). Under the action of the water flow, the fluff and miscellaneous threads on the cutter (16) will fall off and be discharged, so that the cutter (16) can continue to work effectively; S4, water is discharged through the filter (17) and the drain (18), and fluff and miscellaneous threads are accumulated on the filter (17); S5. The blended cotton yarn (2) is continuously wound up by a subsequent winding device.

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