A wool yarn dyeing and drying machine

By setting up a rotary blower and a spacer duct in a wool yarn dyeing dryer, combined with the design of the barrier and contact parts, the problems of uneven hot air and dye dispersion in the prior art are solved, and a more uniform and efficient drying effect is achieved.

CN116642316BActive Publication Date: 2025-05-13ZHANGJIAGANG YANGZI DYEING & FINISHING CO LTD
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Patent Information

Application Number
CN202310478240.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-28
Publication Date
2025-05-13
Estimated Expiration
2043-04-28

AI Technical Summary

Technical Problem

In the prior art In the post-drying and drying process of wool yarn, uneven distribution of hot air leads to low drying efficiency, and direct blowing will lead to uneven dispersion of dyes.

Method used

A wool yarn dyeing dryer is designed. By setting air ducts and blower parts distributed in the horizontal direction and equal distances in the cabinet, the rotational movement of the blower parts and the interval setting of the air ducts are used to ensure that the hot air is evenly contacting the yarn, and through the cooperation of the block and the contact parts, the air flow dispersion is adjusted to avoid dye flow and gathering.

Benefits of technology

It improves the uniformity and working efficiency of wool yarn dyeing and drying, ensures uniform dye distribution, and improves the drying effect.

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Abstract

The present invention belongs to the technical field of yarn drying, and in particular to a wool yarn dyeing and drying machine. The following scheme is proposed, including a casing, wherein a feed port and a discharge port are respectively arranged on both sides of the casing, and both ends of the casing are connected to two air ducts equidistantly distributed in the horizontal direction, and the two air ducts blow hot air inwardly, and yarn passes horizontally between the feed port and the discharge port, and the axis of the yarn and the two air ducts are on the same horizontal plane, and air ducts 1 equidistantly distributed in the horizontal direction are arranged above and below the two air ducts in the casing, and the one air duct and the two air ducts are arranged at intervals in the horizontal direction, and the one air duct is connected to a plurality of vertically placed connecting pipes facing the yarn. The present invention ensures that the hot air is in uniform contact with the yarn, and avoids the wind blowing directly to the yarn being always fixed in one direction, which causes the dye to flow and gather, thereby improving the uniformity and operation efficiency of the actual dyeing and drying of the wool yarn.
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Description

Technical Field

[0001] The invention relates to the technical field of yarn drying, in particular to a wool yarn dyeing and drying machine. Background Art

[0002] Wool yarn is a fabric woven with wool as raw material. Usually, before the yarn is used, it will be dyed using a dyeing device according to usage requirements. After dyeing, it needs to be dried using a drying device before it can be put into use.

[0003] In the prior art, wool yarn is dried after dyeing. Generally, the dyed yarn is drained for a period of time, and then multiple yarns are sent into a dryer side by side. Hot air is generally introduced into the dryer for drying. However, if the hot air is not blown directly onto the yarn but only into the chamber, the drying efficiency will be slow. The prior art directly blows the hot air onto the surface of the yarn, which will cause the undried dye to disperse and flow from the blowing point to the periphery, resulting in uneven dyeing distribution. Summary of the invention

[0004] Based on the technical problems of the background technology, the present invention proposes a wool yarn dyeing and drying machine.

[0005] A wool yarn dyeing and drying machine proposed in the present invention comprises a casing, wherein a feed port and a discharge port are respectively arranged on both sides of the casing, and both ends of the casing are connected with two air ducts equidistantly distributed in the horizontal direction, and the two air ducts blow hot air inwardly, and a yarn passes horizontally between the feed port and the discharge port, and the axis of the yarn and the two air ducts are on the same horizontal plane, and air ducts 1 equidistantly distributed in the horizontal direction are arranged above and below the two air ducts in the casing, and the one air duct and the two air ducts are arranged at intervals in the horizontal direction, and the one air duct is connected to a plurality of vertically placed connecting pipes toward the position of the yarn, and the connecting pipe is rotatably connected to a blowing member toward one end of the yarn.

[0006] Preferably, the blowing member is configured as a spherical structure composed of a connecting shell and a blowing shell, the connecting shell and the blowing shell are both hemispherical structures, the connecting shell is rotatably connected to the connecting pipe through a bearing, the outer wall of the blowing shell is provided with a mesh, and blades distributed in a circular array are fixed at a position corresponding to the inner wall of the connecting shell and the bottom end of the connecting pipe.

[0007] Preferably, a plurality of blowing seats are fixed on one side of the top and bottom inner walls of the casing near the feed port, the blowing seats are extended in directions of both ends, the blowing seats blow air toward the yarn, the blowing seats are connected to air duct three, an auxiliary mesh plate is fixed on the inner wall of the casing between the yarn and the blowing seat, and two extrusion rollers are rotatably connected to a position in the casing near the discharge port.

[0008] Preferably, the blowing members located on the same vertical plane change alternately, so that the upward wind force and downward wind force received by the yarn between the blowing members on the same vertical plane change alternately, and the upward wind force and downward wind force received by the yarn corresponding to the blowing members at adjacent positions in the horizontal direction change alternately.

[0009] Preferably, a sliding sleeve is slidably connected to the outer wall of the connecting pipe, a spring is connected between the top of the sliding sleeve and the outer wall of the air duct 1, and elastic sheets distributed in a ring array are fixed to the outer wall of the sliding sleeve.

[0010] Preferably, a plurality of blocking blocks are provided above the yarn and between two adjacent air ducts, elastic ropes are fixed to both sides of the top of the blocking blocks, and one end of the elastic rope away from the blocking block is fixedly connected to the elastic sheet.

[0011] Preferably, the blocking block is configured as an ellipsoidal structure, the outer diameter of the blocking block gradually decreases from the middle position to both ends, and the blocking block corresponds to the position of the second air duct.

[0012] Preferably, the blowing intensities of two adjacent air ducts 2 in the casing are changed alternately, so that the yarn swings between the directions between the two ends.

[0013] Preferably, a plurality of wire-wiring assemblies are arranged near the discharge port in the casing, the plurality of wire-wiring assemblies are distributed above and below the yarn, and the wire-wiring assemblies are arranged between two adjacent air ducts, and the wire-wiring assemblies are provided with positioning rods rotatably connected to the inner walls at both ends of the casing, one end of the positioning rod is connected to a driving mechanism, a plurality of contact pieces are fixed to the outer wall of the positioning rod, and the width of the contact pieces gradually decreases from the positioning rod toward both sides.

[0014] Preferably, two adjacent contact members on the positioning rod are vertically arranged, and corresponding contact members on two adjacent positioning rods are vertically arranged.

[0015] The beneficial effects of the present invention are:

[0016] 1. In the embodiment of the present invention, the blowing member and the connecting tube are rotated to rotate during the hot air blowing operation, so that the hot air blown downward is dispersed in a circular shape to make the dry hot air contact the yarn evenly, and the interval arrangement of the air duct 2, the air duct 1 and the blowing member in the yarn moving direction is coordinated to offset the horizontal wind force of the blowing member blowing outward and the inward wind force of the air duct 2 to ensure that the hot air is in even contact with the yarn, and avoid the wind directly blowing toward the yarn being always fixed in one direction, which causes the dye to flow and gather, thereby improving the uniformity and operation efficiency of the actual dyeing and drying of the wool yarn.

[0017] 2. In the embodiment of the present invention, the positions corresponding to the yarn and the blowing parts are alternately swung in the vertical direction to increase the drying effect of uniform contact between the blown hot air and the yarn, and the uniformity of the dye in the drying process is improved by the swing of the yarn, thereby further improving the actual drying effect and drying uniformity of the wool yarn dyeing.

[0018] 3. In the embodiment of the present invention, when the corresponding blowing members on the same vertical plane alternately change the blowing intensity, the sliding sleeve and the elastic sheet on the corresponding connecting pipe are made to swing back and forth in the vertical direction, and the elastic sheet will deflect back and forth in the vertical direction relative to the sliding sleeve due to the change in wind force. Through the connection of the elastic rope, the blocking block will move in the vertical direction on both sides in the horizontal direction, so that the horizontal air outlet of the air outlet duct 2 is blocked by the reciprocatingly moving blocking block, and the air outlet of the air outlet duct 2 is dispersed. Therefore, the change in wind direction of the blowing member and the change in movement of the blocking block can effectively disperse the hot air entering the air ducts 1 and 2 evenly, thereby improving the uniformity of drying.

[0019] 4. In the embodiment of the present invention, the yarn is swung in the vertical direction, and the contact piece corresponds to the position of the second air duct, and the through slot is moved relative to the second air duct to disperse the hot air blown into the second air duct. The contact piece in the rotating process disperses the hot air blown into the blowing piece, thereby further improving the uniformity of yarn drying.

[0020] 5. In the embodiment of the present invention, the wind direction of the blowing member and the air duct changes reciprocatingly, and the blocking block, the blowing member and the contact member are spaced apart. The rotating movement of the blowing member, the directional swing of the blocking block and the rotation of the contact member cooperate with each other to guide the airflow dispersion, thereby enhancing the uniformity of the actual contact drying of the hot air and the yarn. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall external structure of a wool yarn dyeing and drying machine proposed by the present invention;

[0022] Figure 2 This is a schematic diagram of the internal structure of a casing of a wool yarn dyeing and drying machine proposed by the present invention;

[0023] Figure 3 This is a schematic structural diagram of an air duct 1 and an air duct 2 of a wool yarn dyeing and drying machine proposed by the present invention;

[0024] Figure 4 This is a schematic structural diagram of an air duct and a blowing member of a wool yarn dyeing and drying machine proposed by the present invention;

[0025] Figure 5 This is a schematic diagram of the connecting shell structure of a wool yarn dyeing and drying machine proposed by the present invention;

[0026] Figure 6This is a schematic diagram of the distribution structure of the blocking blocks of a wool yarn dyeing and drying machine proposed by the present invention;

[0027] Figure 7 This is a schematic diagram of the distribution structure of the positioning rod and contact parts of a wool yarn dyeing and drying machine proposed by the present invention;

[0028] Figure 8 This is a schematic diagram of the contact structure of a wool yarn dyeing and drying machine proposed by the present invention.

[0029] In the figure: 1 casing, 101 discharge port, 102 front cover, 103 rear cover, 2 air duct 1, 3 connecting pipe, 4 blowing member, 401 connecting shell, 402 blowing shell, 403 blade, 5 air duct 2, 6 blowing seat, 7 air duct 3, 8 auxiliary screen, 9 squeezing roller, 10 sliding sleeve, 11 spring, 12 elastic sheet, 13 blocking block, 14 elastic rope, 15 positioning rod, 16 contact member, 17 through groove. DETAILED DESCRIPTION

[0030] Example 1

[0031] Reference Figure 1-Figure 3A wool yarn dyeing and drying machine comprises a casing 1, a feeding port is arranged on one side of the casing 1, a discharging port 101 is arranged on the other side of the casing 1, a front cover 102 is detachably connected to one end of the casing 1, a rear cover 103 is detachably connected to the other end of the casing 1, two air ducts 5 are connected to both ends of the casing 1 and are equally spaced in the horizontal direction, the air ducts 5 are extended in the direction of both ends, hot air is blown inwardly by the air ducts 5, yarn passes horizontally between the feeding port and the discharging port 101, and the yarn and the The axes of the air duct 2 5 are on the same horizontal plane, a filter cover is fixed to one end of the air duct 2 5 close to the yarn, and air ducts 1 2 are arranged above and below the air duct 2 5 in the casing 1 at equal distances in the horizontal direction. The air duct 1 2 is extended in the direction of both ends, and the air duct 1 2 and the air duct 2 5 are arranged at intervals in the horizontal direction. A plurality of vertically placed connecting tubes 3 are connected to the position of the air duct 2 facing the yarn, and a blowing member 4 is connected to the connecting tube 3 when it is rotated toward one end of the yarn. When actually used, multiple The yarns enter horizontally from the feed port side by side and pass through the casing 1, and then pass through the discharge port 101. On the one hand, hot air is blown to dry the yarn through the air ducts 2 5 corresponding to the yarns at both ends in the casing 1, and on the other hand, hot air is blown to the yarn from the top and bottom through the blowing pieces 4 at the upper and lower positions of the yarn, so as to dry the dyed wool yarn; and through the rotation setting of the blowing piece 4 and the connecting pipe 3, the blowing piece 4 rotates when blowing hot air, so that the hot air blown downward is dispersed in a circle to make the dry hot air evenly contact the yarn, so as to ensure the uniformity of drying; and the interval setting of the air duct 2 5, the air duct 1 2 and the blowing piece 4 in the yarn moving direction is coordinated, so that the horizontal wind force blowing from the blowing piece 4 toward the outside and the inward wind force of the air duct 2 5 are offset, so as to ensure that the hot air is evenly in contact with the yarn, and avoid the wind directly blowing to the yarn being always fixed in one direction, which causes the dye flow to gather, thereby improving the actual uniformity and operation efficiency of wool yarn dyeing and drying.

[0032] In the present invention, reference is made to Figure 4-Figure 5 The blowing piece 4 is arranged as a spherical structure consisting of a connecting shell 401 and a blowing shell 402, and the connecting shell 401 and the blowing shell 402 are both hemispherical structures. The middle position of the top of the connecting shell 401 is rotatably connected to the connecting pipe 3 through a bearing, and the outer wall of the blowing shell 402 is provided with mesh holes, and the inner wall of the connecting shell 401 corresponding to the bottom end of the connecting pipe 3 is fixed with blades 403 distributed in a circular array. Therefore, in actual use, the airflow blown from the bottom end of the connecting pipe 3 into the inner chamber of the connecting shell 401 and the blowing shell 402 first hits the blades 403 and then disperses from the mesh holes outside the blowing shell 402, so that the blown hot air is slowed down and buffered and dispersed from the spherical surface, and the blowing piece 4 is rotated by hitting the blades 403, so that the blown hot air is evenly dispersed, so as to further improve the uniformity of drying the wool yarn.

[0033] In the present invention, reference is made to Figure 2A plurality of blowing seats 6 are fixed on one side of the top and bottom inner walls of the casing 1 near the feed port, the blowing seats 6 are extended in the direction of both ends, the blowing seats 6 blow air toward the yarn, the blowing seats 6 are connected to air ducts 7, an auxiliary mesh plate 8 is fixed on the inner wall of the casing 1 between the yarn and the blowing seats 6, the auxiliary mesh plate 8 is inclined away from the feed port on the side away from the yarn, two squeezing rollers 9 are rotatably connected at a position near the discharge port 101 in the casing 1, so that the blowing seats 6 distributed up and down are used to blow air toward the yarn at a position near the feed port of the casing 1 to maintain a stable balance of the yarn, and avoid directly using rollers for support at the feed position to contaminate the dye in the yarn, and avoid causing the yarn dye to be contaminated by the hardware before it is dried and solidified, thereby further improving the uniformity of the yarn drying process.

[0034] Example 2

[0035] Embodiment 2 includes all structures and methods of embodiment 1, and refers to Figure 2 and Figure 3 A wool yarn dyeing and drying machine also includes blowing members 4 located on the same vertical plane that change alternately, so that the upward wind force and downward wind force received by the yarn between the blowing members 4 on the same vertical plane change alternately, and the upward wind force and downward wind force received by the yarn corresponding to the blowing members 4 at adjacent positions in the horizontal direction change alternately. When actually in use, the blowing intensity of the corresponding blowing members 4 located on the same vertical plane will change alternately. When the wind force blowing downward is greater than the wind force blowing upward, the yarn is subjected to the upward wind force and swings upward. When the wind force of the upward blowing is greater than the wind force of the downward blowing, the yarn is swung downward by the downward wind force, and the upward wind force and the downward wind force at the adjacent position corresponding to the blowing member 4 in the horizontal direction are set in opposite directions and alternately change, so that the position corresponding to the yarn and the blowing member 4 swings alternately in the vertical direction, so as to increase the drying effect of uniform contact between the blown hot air and the yarn, and improve the uniformity of the dye in the drying process through the swinging of the yarn, so as to further improve the actual drying effect and drying uniformity of the wool yarn dyeing.

[0036] In the present invention, reference is made to Figure 4-Figure 5The outer wall of the connecting tube 3 is slidably connected with a sliding sleeve 10, and a spring 11 is connected between the top of the sliding sleeve 10 and the outer wall of the air duct 2. The outer wall of the sliding sleeve 10 is fixed with elastic sheets 12 distributed in a circular array, so that when the corresponding blowing parts 4 on the same vertical plane alternately change the blowing intensity, the sliding sleeve 10 and the elastic sheet 12 on the corresponding connecting tube 3 swing back and forth in the vertical direction, and the elastic sheet 12 will reciprocate and deflect relative to the sliding sleeve 10 in the vertical direction due to the change in wind force, and the hot air flow at the upper and lower positions of the yarn will flow in the vertical direction and be evenly dispersed through the extension distance of the elastic sheet 12, so that the hot air flow flows at the yarn position and avoids rapid outflow, so as to improve the drying efficiency of the yarn, and the uniformity of the contact between the hot air and the yarn is further improved through the horizontal dispersion of the hot air flow and the vertical flow in coordination with the movement of the yarn, thereby further effectively improving the uniformity of drying.

[0037] In the present invention, reference is made to Figure 2 and Figure 6 The top of the blocking block 13 is provided with a plurality of blocking blocks 13, and elastic ropes 14 are fixed on both sides of the top of the blocking block 13. The end of the elastic rope 14 away from the blocking block 13 is fixedly connected to the elastic sheet 12. The blocking block 13 is arranged in an ellipsoidal structure, and the outer diameter of the blocking block 13 gradually decreases from the middle position to the two ends. The blocking block 13 corresponds to the position of the air duct 2 5. In actual use, the blowing wind directions of the blowing parts 4 corresponding to the two adjacent air ducts 2 in the horizontal direction are opposite, so that the elastic sheet 12 at the corresponding position elastically arches and deflects in the opposite direction, so that the blocking block 13 is connected with the elastic rope 14, so that the blocking block 13 will move in the vertical direction in the horizontal direction on both sides, so that the horizontal air outlet of the air outlet 2 5 is changed and blocked by the reciprocatingly changing blocking block 13, so that the air outlet of the air outlet 2 5 is dispersed, so that the hot air entering the air duct 1 and the air duct 2 5 is effectively dispersed through the wind direction change of the blowing part 4 and the movement change of the blocking block 13, so as to improve the uniformity of drying.

[0038] In the present invention, reference is made to Figure 2 The blowing intensity of the two adjacent air ducts 25 in the casing 1 changes alternately, so that the yarn swings between the directions between the two ends. In actual use, there is a difference in the blowing intensity of the two corresponding air ducts 25 between the two ends, so that the yarn is slightly offset to one end, and the blowing intensity of the two corresponding air ducts 25 between the two ends is changed alternately, so that the yarn is offset back and forth between the two ends, and the blocking block 13 swings back and forth between the two ends to pull the elastic rope 14, thereby further improving the uniformity of the dispersion of the hot air flow entering the casing 1, and also further improving the uniform drying effect of the contact between the hot air and the yarn.

[0039] Example 3

[0040] Based on Example 2, Figure 2 and Figure 7-Figure 8 A wool yarn dyeing and drying machine, wherein a plurality of wire-push components are arranged near a discharge port 101 in a housing 1, the plurality of wire-push components are distributed above and below the yarn, and the wire-push components are arranged between two adjacent air ducts 2, the wire-push components are provided with a positioning rod 15 rotatably connected to the inner wall at both ends of the housing 1, one end of the positioning rod 15 is connected to a driving mechanism, a plurality of contact members 16 are fixed to the outer wall of the positioning rod 15, the width of the contact members 16 gradually decreases from the positioning rod 15 toward both sides, and a through groove 17 is provided on the end surface of the contact member 16 The contact piece 16 and the blocking block 13 are spaced apart. In actual use, when the contact piece 16 rotates to extend in the horizontal direction, it does not contact the yarn. When the contact piece 16 rotates to extend in the vertical direction, it squeezes the yarn in the corresponding direction, so that the yarn swings in the vertical direction. The contact piece 16 corresponds to the position of the air duct 2 5, and the through groove 17 moves relative to the air duct 2 5 to disperse the hot air blown into the air duct 2 5. The contact piece 16 during the rotation disperses the hot air blown into the blowing piece 4, thereby further improving the uniformity of yarn drying.

[0041] In the present invention, reference is made to Figure 7-Figure 8 The two adjacent contact members 16 on the positioning rod 15 are vertically arranged, and the corresponding contact members 16 on the two adjacent positioning rods 15 are vertically arranged, so that the yarn is in an undulating motion state and the uniformity of contact with the airflow is increased, so as to further enhance the actual drying uniformity and improve the drying efficiency.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wool yarn dyeing and drying machine, comprising a housing (1), wherein a feed inlet and a discharge outlet (101) are respectively arranged on both sides of the housing (1), and both ends of the housing (1) are connected to two air ducts (5) distributed at equal distances in the horizontal direction, and the two air ducts (5) blow hot air inwardly, characterized in that: A yarn passes horizontally between the feed port and the discharge port (101), and the yarn and the axis of the second air duct (5) are on the same horizontal plane. The housing (1) is provided with first air ducts (2) equidistantly distributed in the horizontal direction above and below the second air duct (5). The first air duct (2) and the second air duct (5) are arranged at intervals in the horizontal direction. The first air duct (2) is connected to a position of the yarn with a plurality of vertically placed connecting tubes (3). One end of the connecting tube (3) faces the yarn. A blowing member (4) is rotatably connected, the blowing member (4) being configured as a spherical structure formed by a connecting shell (401) and a blowing shell (402), the connecting shell (401) and the blowing shell (402) both being hemispherical structures, the connecting shell (401) being rotatably connected to the connecting tube (3) via a bearing, mesh holes being provided on the outer wall of the blowing shell (402), and blades (403) distributed in a circular array being fixed at positions corresponding to the inner wall of the connecting shell (401) and the bottom end of the connecting tube (3).

2. A wool yarn dyeing and drying machine according to claim 1, characterized in that: A plurality of blowing seats (6) are fixed to the inner walls of the top and bottom of the casing (1) at one side near the feed port. The blowing seats (6) are extended in the direction of both ends. The blowing seats (6) blow air toward the yarn. The blowing seats (6) are connected to air duct three (7). An auxiliary mesh plate (8) is fixed to the inner wall of the casing (1) at a position between the yarn and the blowing seats (6). Two squeezing rollers (9) are rotatably connected to a position in the casing (1) near the discharge port (101).

3. A wool yarn dyeing and drying machine according to claim 1, characterized in that: The blowing members (4) located on the same vertical plane change alternately, so that the upward wind force and the downward wind force received by the yarns between the blowing members (4) located on the same vertical plane change alternately, and the upward wind force and the downward wind force received by the yarns corresponding to the blowing members (4) at adjacent positions in the horizontal direction change alternately.

4. A wool yarn dyeing and drying machine according to claim 3, characterized in that: The outer wall of the connecting pipe (3) is slidably connected to a sliding sleeve (10), a spring (11) is connected between the top end of the sliding sleeve (10) and the outer wall of the air duct 1 (2), and elastic sheets (12) distributed in a ring array are fixed to the outer wall of the sliding sleeve (10).

5. A wool yarn dyeing and drying machine according to claim 4, characterized in that: A plurality of blocking blocks (13) are arranged above the yarn and between two adjacent air ducts (2), and elastic ropes (14) are fixed to both sides of the top of the blocking blocks (13), and one end of the elastic rope (14) away from the blocking block (13) is fixedly connected to the elastic sheet (12).

6. A wool yarn dyeing and drying machine according to claim 5, characterized in that: The blocking block (13) is configured as an ellipsoidal structure, the outer diameter of the blocking block (13) gradually decreases from the middle position to both ends, and the blocking block (13) corresponds to the position of the second air duct (5).

7. A wool yarn dyeing and drying machine according to claim 6, characterized in that: The blowing intensities of two adjacent air ducts 2 (5) in the casing (1) are changed alternately, so that the yarn swings between the directions between the two ends.

8. A wool yarn dyeing and drying machine according to any one of claims 3 to 7, characterized in that: A plurality of wire-moving assemblies are arranged near the discharge port (101) in the casing (1), the plurality of wire-moving assemblies are distributed above and below the yarn, and the wire-moving assemblies are arranged between two adjacent air ducts (2). The wire-moving assemblies are provided with positioning rods (15) rotatably connected to the inner walls at both ends of the casing (1), one end of the positioning rod (15) is connected to a driving mechanism, and a plurality of contact members (16) are fixed to the outer wall of the positioning rod (15), and the width of the contact members (16) gradually decreases from the positioning rod (15) toward both sides.

9. A wool yarn dyeing and drying machine according to claim 8, characterized in that: Two adjacent contact members (16) on the positioning rod (15) are arranged vertically therebetween, and corresponding contact members (16) on two adjacent positioning rods (15) are arranged vertically therebetween.

Citation Information

Patent Citations

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