Colored spun yarn stretching device

By using a servo motor-driven tension adjustment system and tension sensor, combined with a lead screw structure, the problem of inaccurate tension in colored yarn spinning in existing technologies has been solved. This enables simultaneous processing and rapid unloading of yarns of multiple colors, improving yarn toughness and sewing effect.

CN224077639UActive Publication Date: 2026-04-03林振丹
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing colored yarn stretching devices cannot precisely control the stretching force, cannot process multiple colors of yarn simultaneously, and traditional devices tend to cause shrinkage of colored yarn after stretching, affecting the sewing effect.

Method used

A servo motor-driven tension adjustment system, combined with a tension sensor and a lead screw structure, enables precise tension control of colored yarns and allows for simultaneous processing of multiple colored yarns through an internal threaded sleeve structure.

Benefits of technology

It achieves precise stretching of colored yarn, improves yarn toughness and sewing effect, can process yarn of multiple colors at the same time, and facilitates quick unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a colored spun yarn stretching device which comprises a first support and a second support, the first support is arranged on the front side of the second support, mounting plates are fixedly connected to the top of the first support and the top of the second support, and a rotating rod is connected between the mounting plates through a bearing. A first servo motor is fixedly connected to the middle of the front side of the mounting plate on the front side, a tension sensor can accurately adjust the stretching value of wound colored spun yarn after detecting that the length of an extension plate is adjusted, the length of the extension plate can be adjusted according to the maximum tensile strength of the colored spun yarn, and the stretching operation effect is greatly improved; according to the colored spun yarn winding device, the distance between the winding rods can be accurately adjusted, the stretch degree of colored spun yarn is controlled by changing the distance between the winding rods, the colored spun yarn of various different colors can be wound on the winding rods, the colored spun yarn can be wound between limiting rings of an internal thread sleeve, and the colored spun yarn can be rapidly detached by screwing the internal thread sleeve.
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Description

Technical Field

[0001] This utility model relates to the field of colored yarn technology, and more specifically, to a colored yarn stretching device. Background Technology

[0002] Colored yarn is made by first dyeing the fibers into colored fibers, and then thoroughly mixing two or more different colored fibers to spin yarn with a unique color mixing effect. The dyeing of colored yarn is carried out in a high temperature and high pressure environment. After dyeing, colored yarn is prone to shrinkage due to the high temperature and high pressure. If it is not stretched, the length and toughness will be reduced, affecting the sewing effect.

[0003] In the prior art, traditional yarn stretching devices keep the yarn in a stretched state after stretching, without repeated intermittent stretching, which is not conducive to maximizing the toughness of the yarn. Furthermore, the width of traditional stretching rollers is fixed; when the amount of yarn wound is small, the yarn is prone to tilting between the rollers. Application number 202120953182.X discloses a yarn stretching device, including a base. Support legs are fixedly connected to the bottom of the base around its perimeter. First support columns are symmetrically fixedly connected to the front and rear sides of the top right side of the base. Symmetrically arranged on the front and rear sides of the top right side of the base are... The first fixed base has a feeding roller on the right side of the top of the base. Limiting posts are symmetrically arranged on the left side of the two first support columns. A pressure roller is arranged at the bottom of the opposite side of the two limiting posts. The left and right sides of the pressure roller are symmetrically fixedly connected to the first connecting shaft. The left and right sides of the pressure roller are symmetrically fixedly connected to the first limiting plate. The stretching operation of the above device is adjusted manually. However, the stretching force cannot be precisely controlled. After the stretching operation is completed, the wound yarn cannot be unloaded quickly. It can only stretch yarn of one color and cannot stretch a large number of yarns of different colors at the same time.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a colored yarn stretching device to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A yarn stretching device includes a first support and a second support. The first support is disposed in front of the second support. Mounting plates are fixedly connected to the top of both the first and second supports. A rotating rod is connected between the mounting plates via bearings. A first servo motor is fixedly connected to the middle of the front side of the mounting plate. A stretching adjustment seat is sleeved on the outer wall of the rear end of the rotating rod. A winding rod is symmetrically connected to the front side of the stretching adjustment seat. The output shaft of the first servo motor is fixedly connected to the front end of the rotating rod.

[0008] Preferably, the tension adjustment seat includes a connecting seat and an L-shaped flip seat. The L-shaped flip seat is fixedly connected to the connecting seat on the left and right sides respectively. An extension plate is movably connected inside the L-shaped flip seat, and the front side of the extension plate is fixedly connected to the rear end of the winding rod.

[0009] Preferably, the connecting seat has a through mounting hole in the middle and is fixedly connected to the outer wall of the rotating rod through the mounting hole. A tension sensor is fixedly connected to the outer side of the top of the extension plate, and connecting rings are symmetrically connected to the top of the connecting seat.

[0010] Preferably, a traction rope is fixedly connected to the outer wall of the connecting ring, and the outer end of the traction rope is fixedly connected to the detection end of the tension sensor.

[0011] Preferably, a second servo motor is fixedly connected to the cavity of the L-shaped flip seat, a rectangular groove is excavated on the bottom side of the inner wall of the L-shaped flip seat, a lead screw is connected to the right side of the inner wall of the rectangular groove through a bearing, and a guide rod is provided on one side of the lead screw.

[0012] Preferably, a movable block is sleeved on the outside of the lead screw and guide rod, and the movable block is internally connected to the lead screw via a lead screw nut and a matching thread. The top of the movable block is fixedly connected to the bottom of the extension plate.

[0013] Preferably, the winding rod includes an externally threaded rod and an internally threaded sleeve, wherein the internally threaded sleeve is equidistantly fitted onto the outer wall of the externally threaded rod and is threadedly connected to the externally threaded rod.

[0014] Preferably, the outer walls of both ends of the internal threaded sleeve are fitted with limiting rings, the external threaded rod is located between the mounting plates, and the internal threaded sleeves on the outer sides of the external threaded rods on both sides are correspondingly arranged.

[0015] The beneficial effects of this utility model are as follows: the tension sensor can detect the stretch value of the wound colored yarn after the extension plate length is adjusted, and can make precise adjustments based on the maximum tensile strength of the colored yarn. The length of the extension plate can be adjusted according to the maximum tensile strength of the colored yarn, greatly improving the stretching effect. The spacing of the winding rods can be precisely adjusted, and the stretch of the colored yarn can be controlled by changing the spacing of the winding rods. Various colored yarns of different colors can be wound on the winding rods. The colored yarn can be wound between the limiting rings of the internal threaded sleeve, and the colored yarn can be quickly removed by screwing the internal threaded sleeve. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of a yarn stretching device according to an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the external structure of the tension adjustment seat of a yarn stretching device according to an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of an L-shaped flipping seat of a yarn stretching device according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the external structure of the winding rod of a yarn stretching device according to an embodiment of the present utility model.

[0021] In the picture:

[0022] 1. First bracket; 2. Second bracket; 3. Mounting plate; 4. Rotating rod; 5. First servo motor; 6. Tension adjustment seat; 7. Winding rod; 8. Connecting seat; 9. L-shaped flip seat; 10. Extension plate; 11. Mounting hole; 12. Tension sensor; 13. Connecting ring; 14. Traction rope; 15. Second servo motor; 16. Rectangular groove; 17. Lead screw; 18. Guide rod; 19. Moving block; 20. External threaded rod; 21. Internal threaded sleeve; 22. Limiting ring. Detailed Implementation

[0023] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to an embodiment of the present invention, a yarn stretching device is provided.

[0025] Example 1

[0026] like Figure 1-4 As shown, a yarn stretching device according to an embodiment of the present invention includes a first support 1 and a second support 2. The first support 1 is disposed in front of the second support 2. Mounting plates 3 are fixedly connected to the top of both the first support 1 and the second support 2. A rotating rod 4 is connected between the mounting plates 3 via bearings. A first servo motor 5 is fixedly connected to the middle of the front side of the front mounting plate 3. A stretching adjustment seat 6 is sleeved on the outer wall of the rear end of the rotating rod 4. A winding rod 7 is symmetrically connected to the front side of the stretching adjustment seat 6. The output shaft of the first servo motor 5 is fixedly connected to the front end of the rotating rod 4. The stretching adjustment seat 6 includes a connecting seat 8 and an L-shaped flip seat 9. The L-shaped flip seat 9 is fixedly connected to the left and right sides of the connecting seat 8, respectively. An extension plate 10 is movably connected inside the L-shaped flip seat 9. The front side of the extension plate 10 is fixedly connected to the rear end of the winding rod 7. A mounting hole 11 is provided through the middle of the connecting seat 8, and the extension plate 10 is fixedly connected to the rear end of the winding rod 7 via the mounting hole 11. The outer wall of the rotating rod 4 is fixedly connected, and the outer side of the top of the extension plate 10 is fixedly connected to the tension sensor 12. The top of the connecting seat 8 is symmetrically connected to the connecting ring 13, and the outer wall of the connecting ring 13 is fixedly connected to the traction rope 14. The outer end of the traction rope 14 is fixedly connected to the detection end of the tension sensor 12. By starting the first servo motor 5, the output shaft of the first servo motor 5 drives the rotating rod 4 to rotate, so that the rotating rod 4 drives the connecting seat 8 and the L-shaped flip seat 9 to rotate. The colored yarn can be wound on the winding rod 7. By unfolding the extension plate 10 outward, the tension sensor 12 can pull the traction rope 14. The tension sensor 12 can detect the length adjustment of the extension plate 10 and make precise adjustments to the tensile value of the wound colored yarn. The length of the extension plate 10 can be adjusted according to the maximum tensile strength of the colored yarn, which greatly improves the effect of the stretching operation.

[0027] Example 2

[0028] like Figure 1-4As shown, a yarn stretching device according to an embodiment of the present invention includes a first support 1 and a second support 2. The first support 1 is disposed in front of the second support 2. Mounting plates 3 are fixedly connected to the top of both the first support 1 and the second support 2. A rotating rod 4 is connected between the mounting plates 3 via bearings. A first servo motor 5 is fixedly connected to the middle of the front side of the front mounting plate 3. A stretching adjustment seat 6 is sleeved on the outer wall of the rear end of the rotating rod 4. A winding rod 7 is symmetrically connected to the front side of the stretching adjustment seat 6. The output shaft of the first servo motor 5 is fixedly connected to the front end of the rotating rod 4. A second servo motor 15 is fixedly connected to the cavity of the L-shaped flipping seat 9. A rectangular groove 16 is carved out on the bottom side of the inner wall of the L-shaped flipping seat 9. A shaft passes through the right side of the inner wall of the rectangular groove 16. A lead screw 17 is connected to the bearing, and a guide rod 18 is provided on one side of the lead screw 17. A moving block 19 is sleeved on the outside of the lead screw 17 and the guide rod 18. The moving block 19 is threadedly connected to the lead screw 17 through a lead screw nut. The top of the moving block 19 is fixedly connected to the bottom of the extension plate 10. By starting the second servo motor 15, the output shaft of the second servo motor 15 drives the lead screw 17 to rotate. Under the guidance and limiting of the moving block 19 by the guide rod 18 and the action of the lead screw nut inside the moving block 19, the moving block 19 on the outside of the lead screw 17 and the guide rod 18 can simultaneously drive the extension plates 10 on both sides to extend outward. The spacing of the winding rod 7 can be precisely adjusted, and the stretch of the colored yarn can be controlled by changing the spacing of the winding rod 7.

[0029] Example 3

[0030] like Figure 1-4 As shown, a yarn stretching device according to an embodiment of the present invention includes a first support 1 and a second support 2. The first support 1 is disposed in front of the second support 2. Mounting plates 3 are fixedly connected to the top of both the first support 1 and the second support 2. A rotating rod 4 is connected between the mounting plates 3 via bearings. A first servo motor 5 is fixedly connected to the middle of the front side of the front mounting plate 3. A stretching adjustment seat 6 is sleeved on the outer wall of the rear end of the rotating rod 4. A winding rod 7 is symmetrically connected to the front side of the stretching adjustment seat 6. The output shaft of the first servo motor 5 is fixedly connected to the front end of the rotating rod 4. The winding rod 7 includes an externally threaded rod 20 and an internally threaded sleeve 21. The sleeves 21 are equidistantly fitted onto the outer wall of the external threaded rod 20 and are threadedly connected to the external threaded rod 20. The outer walls of both ends of the internal threaded sleeves 21 are fitted with limiting rings 22. The external threaded rod 20 is located between the mounting plates 3, and the internal threaded sleeves 21 on the outer sides of the external threaded rods 20 on both sides are correspondingly set. Depending on the type of colored yarn to be stretched, an appropriate number of internal threaded sleeves 21 can be installed on the winding rod 7. Various colored yarns of different colors can be wound on the winding rod 7. The colored yarn can be wound between the limiting rings 22 of the internal threaded sleeves 21. The colored yarn can be quickly removed by screwing on the internal threaded sleeves 21.

[0031] In summary, with the help of the above-mentioned technical solution of this utility model, when this device is in use, by starting the first servo motor 5, the output shaft of the first servo motor 5 drives the rotating rod 4 to rotate, causing the rotating rod 4 to drive the connecting seat 8 and the L-shaped flipping seat 9 to rotate, so that the colored yarn can be wound onto the winding rod 7. By the outward unfolding of the extension plate 10, the tension sensor 12 can pull the traction rope 14. The tension sensor 12 can detect the length adjustment of the extension plate 10 and make precise adjustments to the tension value of the wound colored yarn. By starting the second servo motor 15, the second servo motor 15... The output shaft drives the lead screw 17 to rotate. Under the guidance and limiting of the guide rod 18 on the moving block 19 and the action of the lead screw nut inside the moving block 19, the lead screw 17 and the moving block 19 on the outside of the guide rod 18 can simultaneously drive the extension plates 10 on both sides to extend outward. Depending on the type of colored yarn to be stretched, an appropriate number of internal thread sleeves 21 can be installed on the winding rod 7. Various colored yarns of different colors can be wound on the winding rod 7. The colored yarn can be wound between the limiting rings 22 of the internal thread sleeves 21. The colored yarn can be quickly removed by screwing the internal thread sleeves 21.

[0032] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A yarn dyeing and drawing device comprising a first support (1) and a second support (2), characterized in that, The first support (1) is arranged in front of the second support (2), the first support (1) and the second support (2) are fixedly connected with the mounting plate (3) at the top, the mounting plate (3) is connected with the rotating rod (4) through the bearing, the front side of the mounting plate (3) is fixedly connected with the first servo motor (5), the rotating rod (4) is sleeved with the stretching adjusting seat (6) on the outer wall of the rear end, the stretching adjusting seat (6) is symmetrically connected with the winding rod (7) on the front side, and the output shaft of the first servo motor (5) is fixedly connected with the front end of the rotating rod (4).

2. A yarn color drawing device according to claim 1, wherein The stretching adjusting seat (6) comprises a connecting seat (8) and an L-shaped turnover seat (9), the L-shaped turnover seat (9) is fixedly connected with the connecting seat (8) on the left and right respectively, and the L-shaped turnover seat (9) is movably connected with the extension plate (10) inside.

3. A yarn color drawing device according to claim 2, wherein The connecting seat (8) is provided with a mounting hole (11) in the middle, and is fixedly connected with the outer wall of the rotating rod (4) through the mounting hole (11), the extension plate (10) is fixedly connected with the rear end of the winding rod (7) on the front side, and the connecting ring (13) is symmetrically connected with the top of the connecting seat (8).

4. A yarn color drawing device according to claim 3, wherein The connecting ring (13) is fixedly connected with the traction rope (14) on the outer wall, and the outer end of the traction rope (14) is fixedly connected with the detection end of the tension sensor (12).

5. A yarn color drawing device according to claim 4, wherein The L-shaped turnover seat (9) is fixedly connected with the second servo motor (15) in the wall cavity, the L-shaped turnover seat (9) is provided with a rectangular groove (16) in the inner wall bottom side, the right side of the inner wall of the rectangular groove (16) is connected with the lead screw (17) through the bearing, and the lead screw (17) is provided with the guide rod (18) on one side.

6. A yarn color drawing device according to claim 5, wherein The lead screw (17) and the guide rod (18) are sleeved with the moving block (19) on the outer side, the moving block (19) is matched with the lead screw (17) in screw connection through the lead screw nut in the inside, and the top of the moving block (19) is fixedly connected with the bottom of the extension plate (10).

7. A yarn color drawing device according to claim 6, wherein The winding rod (7) comprises an outer threaded rod (20) and an inner threaded sleeve (21), the inner threaded sleeve (21) is equidistantly sleeved with the outer wall of the outer threaded rod (20), and is matched with the outer threaded rod (20) in screw connection.

8. A yarn color drawing device according to claim 7, wherein The outer wall of the inner threaded sleeve (21) is sleeved with the limiting ring (22) at both ends, the outer threaded rod (20) is located between the mounting plates (3), and the inner threaded sleeves (21) on the outer sides of the outer threaded rods (20) on the two sides are correspondingly arranged.

Citation Information

Patent Citations

  • Drawing device for colored spun yarn

    CN214830933U