Cable guide assembly for yarn knotting

By using gear transmission and screw transmission technology, the yarn picking process is automated and precise, solving the problems of low efficiency and unstable quality of manual knotting, and adapting to the needs of large-scale production.

CN121448880AInactive Publication Date: 2026-02-03YANCHENG GLOBAL JING TIAN MASCH CO LTD
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Patent Information

Application Number
CN202511928300.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-19
Publication Date
2026-02-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In existing textile technologies, yarn splicing and knotting rely on manual operation, resulting in low efficiency, high cost, and difficulty in ensuring the stability and consistency of yarn quality, which cannot meet the needs of large-scale production.

Method used

By employing precise gear and screw drive technologies, combined with angle and position control, a cable guide assembly for yarn knotting is designed to automate and refine the yarn picking process.

Benefits of technology

It has achieved automation and precision in yarn picking, saving labor costs, improving work efficiency, enhancing yarn picking accuracy and ease of operation, and adapting to the requirements of large-scale production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of automatic textile, in particular to a cable guide assembly for yarn knotting, which comprises a screw rod nut arranged in a gap between a second limiting sleeve and a first limiting sleeve, the screw rod nut sleeves a first screw rod in a threaded sleeving manner, a second transmission gear is embedded in the screw rod nut, and a second transmission gear is embedded in the second transmission gear. The automatic yarn taking device has the beneficial effects that through the technical schemes of accurate gear transmission, lead screw transmission, angle and position control and the like, automation and accuracy of the yarn taking process are achieved, the yarn taking efficiency is improved, the yarn taking efficiency is improved, and the yarn taking device is suitable for large-scale popularization and application. Therefore, the purposes of saving labor cost, improving working efficiency and improving yarn taking precision and operation convenience are achieved, and the requirements of large-scale production and manufacturing are better met.
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Description

Technical Field

[0001] This invention relates to the field of automated textile technology, specifically to a cable guide assembly for yarn knotting. Background Technology

[0002] In the field of textile technology, yarn splicing is a core process that determines the quality and efficiency of subsequent production. Currently, yarn splicing and knotting are mostly done manually. However, manual knotting has many drawbacks: firstly, it is inefficient and costly, failing to meet the demands of large-scale production in the modern textile industry; secondly, it is difficult to maintain uniform tension during manual knotting, easily leading to loose yarn and severely affecting yarn quality stability. Therefore, there is an urgent need for an automated knotting machine that mimics manual knotting actions, automating the entire yarn knotting process and simultaneously improving both efficiency and quality.

[0003] In the textile production industry, the traditional method of manually picking up yarn ends has many drawbacks. Manual operation is not only labor-intensive and requires significant manpower, but also inefficient, making it difficult to meet the demands of large-scale production. Furthermore, the precision and consistency of manual yarn picking are difficult to guarantee, easily leading to inaccurate yarn picking, yarn damage, and other problems, which in turn affect the quality of subsequent textile products. Summary of the Invention

[0004] The purpose of this invention is to provide a cable guide assembly for yarn knotting, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A cable guide assembly for yarn knotting includes a support plate, a second lead screw driven by a first gear set at the upper end of the support plate, a guide rail at the front end of the support plate, a connecting plate threadedly connected to the second lead screw at one end of the guide rail, a sliding table at the other end of the guide rail, a rotatably mounted rotating arm at the lower end of the sliding table, a second gear set for driving the rotating arm to rotate and adjust, a yarn hook arm rotatably mounted at the end of the rotating arm away from the sliding table, and a transmission assembly for synchronously driving the yarn hook arm on the rotating arm. The yarn hook arm is provided with a second limiting sleeve and a first limiting sleeve at intervals. A first lead screw is threaded through the second limiting sleeve and the first limiting sleeve. A lead screw nut is provided in the interval between the second limiting sleeve and the first limiting sleeve and threaded onto the first lead screw. A second transmission gear is embedded in the lead screw nut. A first drive motor that drives the second transmission gear is fixedly provided on the yarn hook arm. A yarn pusher is provided at the free end of the yarn hook arm.

[0006] Preferably, the first gear set includes a third drive motor, a sixth transmission gear, a seventh transmission gear, an eighth transmission gear, and a second lead screw. The third drive motor is fixed on a support plate, and the output end of the third drive motor is connected to the eighth transmission gear. The support plate is provided with a sixth transmission gear and a seventh transmission gear that mesh with each other. One side of the seventh transmission gear meshes with the eighth transmission gear. A pair of second fixed plates are provided at intervals at the front end of the support plate. A second lead screw is rotatably mounted between the pair of second fixed plates. The sixth transmission gear is fixedly sleeved on one end of the second lead screw.

[0007] Preferably, the guide rail is slidably mounted on the front end of the support plate, and the connecting plate at one end of the guide rail is threadedly sleeved on the second lead screw through the second lead screw nut.

[0008] Preferably, the second gear set includes a third transmission gear, a transmission rod, a fourth transmission gear, a second drive motor, and a fifth transmission gear. The second drive motor is fixedly mounted on the sliding table, and the output end of the second drive motor is fixedly sleeved with the fifth transmission gear. The third transmission gear is rotatably mounted on the other side of the sliding table. The third transmission gear and the fifth transmission gear are meshed and connected through the fourth transmission gear. The fourth transmission gear is rotatably mounted on the guide rail. The third transmission gear is provided with a transmission rod that connects to the rotating arm. One end of the rotating arm is rotatably mounted on the sliding table through a traction shaft.

[0009] Preferably, one end of the transmission rod is rotatably mounted on the front end face of the third transmission gear, and the other end of the transmission rod is rotatably mounted on the rotating arm. A sensor that limits the rotation angle of the third transmission gear is provided on the sliding table.

[0010] Preferably, the transmission assembly includes a first transmission shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fixed shaft, and a fourth bevel gear. The front end of the rotating arm is provided with a pair of spaced-apart first fixed plates. A first transmission shaft parallel to the first lead screw is rotatably mounted between the pair of first fixed plates via a bearing. The traction shaft rotates the rotating arm and extends to the end of the first transmission shaft. A second bevel gear is sleeved on the traction shaft. The end of the first transmission shaft is provided with a first bevel gear that meshes with the second bevel gear.

[0011] Preferably, a fourth bevel gear is fixedly sleeved at the other end of the first drive shaft, one end of the yarn hook arm is rotatably mounted on the rotating arm via a fixed shaft, the middle section of the fixed shaft passes through the rotating arm, and a third bevel gear is provided at the other end of the fixed shaft to mesh with the fourth bevel gear.

[0012] Preferably, a first transmission gear is fixedly sleeved on the output shaft of the first drive motor, and the first transmission gear meshes with a second transmission gear.

[0013] Compared with the prior art, the beneficial effects of the present invention are: This invention achieves automation and precision in the yarn picking process through precise gear transmission, lead screw transmission, and angle and position control technologies, thereby saving labor costs, improving work efficiency, enhancing yarn picking accuracy and ease of operation, and better adapting to the requirements of large-scale production. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a top view of the present invention; Figure 3 This is a schematic diagram of the working state structure of the present invention.

[0015] In the diagram: 1. First drive motor; 2. First transmission gear; 3. First limiting sleeve; 4. Lead screw nut; 5. Second transmission gear; 6. Second limiting sleeve; 7. First lead screw; 8. First transmission shaft; 9. First fixing plate; 10. First bevel gear; 11. Second bevel gear; 12. Yarn pusher; 13. Rotating arm; 14. Sensor; 15. Sliding table; 16. Second fixing plate; 17. Second lead screw; 18. Third transmission gear; 19. Support plate; 20. Transmission rod; 21. Fourth transmission gear; 22. Second drive motor; 23. Fifth transmission gear; 24. Guide rail; 25. Connecting plate; 26. Second lead screw nut; 27. Sixth transmission gear; 28. Seventh transmission gear; 29. ​​Eighth transmission gear; 30. Yarn hook arm; 31. Third bevel gear; 32. Fixing shaft; 33. Fourth bevel gear; 34. Third drive motor. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Please see Figure 1 As shown in the figure, the present invention provides a technical solution: A cable guide assembly for yarn knotting includes a support plate 19. A second lead screw 17, driven by a first gear set, is disposed at the upper end of the support plate 19. A guide rail 24 is disposed at the front end of the support plate 19. One end of the guide rail 24 is provided with a connecting plate 25 threadedly connected to the second lead screw 17, and the other end of the guide rail 24 is provided with a sliding table 15. The first gear set includes a third drive motor 34, a sixth transmission gear 27, a seventh transmission gear 28, an eighth transmission gear 29, and a second lead screw 17. The third drive motor 34 is fixed to the support plate 19, and its output end is connected to the eighth drive gear 29. The transmission gear 29 and the support plate 19 are provided with a sixth transmission gear 27 and a seventh transmission gear 28 that are meshed with each other. One side of the seventh transmission gear 28 is meshed with the eighth transmission gear 29. The front end of the support plate 19 is provided with a pair of second fixed plates 16 that are spaced apart. A second lead screw 17 is rotatably mounted between the pair of second fixed plates 16. The sixth transmission gear 27 is fixedly sleeved on one end of the second lead screw 17. The guide rail 24 is slidably mounted on the front end of the support plate 19. The connecting plate 25 at one end of the guide rail 24 is screwed onto the second lead screw 17 through the second lead screw nut 26.

[0018] The third drive motor 34 drives the eighth transmission gear 29, and the gear meshing between the eighth transmission gear 29, the seventh transmission gear 28 and the sixth transmission gear 27 drives the second lead screw 17 to rotate, so that the threaded second lead screw nut 26 is driven by the second lead screw 17, and then moves laterally, thereby pushing the guide rail 24 and the sliding table 15 to the working position.

[0019] A rotating arm 13 is rotatably mounted on the lower end of the sliding table 15. A second gear set is provided on the sliding table 15 to drive the rotating arm 13 for rotational adjustment. A hook arm 30 is rotatably mounted on the end of the rotating arm 13 away from the sliding table 15. The second gear set includes a third transmission gear 18, a transmission rod 20, a fourth transmission gear 21, a second drive motor 22, and a fifth transmission gear 23. The second drive motor 22 is fixedly mounted on the sliding table 15. The output end of the second drive motor 22 is fixedly sleeved with the fifth transmission gear 23. The third transmission gear 18 is rotatably mounted on the other side of the sliding table 15. The third transmission gear 18 and the fifth transmission gear 23 are connected by meshing with the fourth transmission gear 21. The fourth transmission gear 21 is rotatably mounted on the guide rail 24. A transmission rod 20 connecting the rotating arm 13 is provided on the third transmission gear 18. One end of the rotating arm 13 is rotatably mounted on the sliding table 15 through a traction shaft.

[0020] The second drive motor 22 drives the second gear set to perform gear meshing transmission, thereby driving the third transmission gear 18 to rotate, which in turn drives the transmission rod 20 on its surface to perform a swing arm movement, thereby achieving the purpose of traction rotating arm 13 to rotate.

[0021] One end of the transmission rod 20 is rotatably mounted on the front end face of the third transmission gear 18, and the other end of the transmission rod 20 is rotatably mounted on the rotating arm 13. A sensor 14 is provided on the sliding table 15 to limit the rotation angle of the third transmission gear 18.

[0022] The rotation angle of the third transmission gear 18 is limited by setting sensor 14.

[0023] The rotating arm 13 is equipped with a transmission assembly for synchronously driving the hook arm 30. The transmission assembly includes a first transmission shaft 8, a first bevel gear 10, a second bevel gear 11, a third bevel gear 31, a fixed shaft 32, and a fourth bevel gear 33. A pair of spaced first fixed plates 9 are provided at the front end of the rotating arm 13. A first transmission shaft 8 parallel to the first lead screw 7 is rotatably mounted between the pair of first fixed plates 9 via a bearing. A traction shaft rotates the rotating arm 13 and extends to the end of the first transmission shaft 8. A second bevel gear 11 is sleeved on the traction shaft. A first bevel gear 10 that meshes with the second bevel gear 11 is provided at the end of the first transmission shaft 8. A fourth bevel gear 33 is fixedly sleeved at the other end of the first transmission shaft 8. One end of the hook arm 30 is rotatably mounted on the rotating arm 13 via the fixed shaft 32. The middle section of the fixed shaft 32 passes through the rotating arm 13, and a third bevel gear 31 that meshes with the fourth bevel gear 33 is provided at the other end of the fixed shaft 32.

[0024] As the rotating arm 13 rotates, it drives the transmission component to rotate, thereby driving the hook arm 30 to rotate 90° clockwise until it is parallel to the rotating arm 13 and reaches the bottom of the yarn end in the gap between the two yarn handles.

[0025] The hook arm 30 is provided with a second limiting sleeve 6 and a first limiting sleeve 3 at intervals. A first lead screw 7 is threaded through the second limiting sleeve 6 and the first limiting sleeve 3. A lead screw nut 4 is provided in the interval between the second limiting sleeve 6 and the first limiting sleeve 3 and is threaded onto the first lead screw 7. A second transmission gear 5 is embedded in the lead screw nut 4. A first drive motor 1 that drives the second transmission gear 5 is fixedly provided on the hook arm 30. A yarn pusher 12 is provided at the free end of the hook arm 30. A first transmission gear 2 is fixedly sleeved on the output shaft of the first drive motor 1 and meshes with the second transmission gear 5.

[0026] The first drive motor 1 drives the lead screw nut 4 to rotate, thereby driving the first lead screw 7 to move. The yarn pusher 12 connected to the first lead screw 7 pushes the yarn to the yarn hook.

[0027] Working principle: First, the third drive motor 34 rotates forward to drive the eighth transmission gear 29 to rotate, which in turn drives the seventh transmission gear 28, the seventh transmission gear meshing 28, the sixth transmission gear 27, and the second lead screw 17 to rotate. Under the rotation of the second lead screw 17, the second lead screw nut 26 is driven to move laterally, which pulls the connected connecting plate 25, guide rail 24, hook arm 30 and other working parts to slide upward to the working position.

[0028] Then, the second drive motor 22 drives the third transmission gear 18 to rotate. As the third transmission gear 18 rotates, the transmission rod 20 causes the rotating arm 13 to rotate 90° counterclockwise to a position perpendicular to the sliding table 15. Simultaneously, the rotation of the rotating arm 13 drives the bevel gear pair composed of the first bevel gear 10 and the second bevel gear 11 to rotate, pulling the first transmission shaft 8 to rotate. The rotation of the first transmission shaft 8 drives the bevel gear pair composed of the third bevel gear 31 and the fourth bevel gear 33 at the other end to rotate. As the third bevel gear 31 rotates, the fixing rod 32 causes the hook arm 30 to rotate 90° clockwise to a position parallel to the rotating arm 13, reaching below the yarn end in the gap between the two yarn handles. Then, the first drive motor 1 rotates clockwise, driving the first transmission gear 2 to rotate, which in turn drives the second transmission gear 5 meshing with it to rotate. The screw nut 4 embedded in the second transmission gear 5 also rotates, causing the first screw 7 to move upwards and, together with the yarn pusher 12, push the yarn to the yarn hook (e.g., ...). Figure 3 (As shown).

[0029] Then, the first drive motor 1 reverses, driving the gear pair consisting of the first transmission gear 2 and the second transmission gear 5 to rotate. The lead screw nut 4 then reverses, driving the first lead screw 7 to move down to the initial position. Then, the second drive motor 22 rotates 180°, causing the rotating arm 13 and the yarn hook arm 30 to rotate to the initial position parallel to the sliding table 15 through the transmission rod 20. At the same time, the third drive motor 34 reverses, driving the second lead screw nut 26, the sliding table 15, the guide rail 24, and the connecting plate 25 to move to the initial position, completing the yarn pick-up from the yarn handle. Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cable guide assembly for yarn knotting, comprising a support plate (19), characterized in that: The upper end of the support plate (19) is provided with a second lead screw (17) driven by a first gear set. The front end of the support plate (19) is provided with a guide rail (24). One end of the guide rail (24) is provided with a connecting plate (25) threadedly connected to the second lead screw (17). The other end of the guide rail (24) is provided with a sliding table (15). The lower end of the sliding table (15) is provided with a rotating arm (13) that is rotatably installed. The sliding table (15) is provided with a second gear set that drives the rotating arm (13) to rotate and adjust. The end of the rotating arm (13) away from the sliding table (15) is rotatably installed with a hook arm (30). The rotating arm (13) is provided with a transmission component that synchronously drives the hook arm (30). The hook arm (30) is provided with a second limiting sleeve 6 and a first limiting sleeve (3) spaced apart. A first lead screw (7) is threaded through the second limiting sleeve 6 and the first limiting sleeve (3). A lead screw nut (4) is provided in the gap between the second limiting sleeve 6 and the first limiting sleeve (3) and is threaded onto the first lead screw (7). A second transmission gear (5) is embedded in the lead screw nut (4). A first drive motor (1) that drives the second transmission gear (5) is fixedly provided on the hook arm (30). A yarn pusher (12) is provided at the free end of the hook arm (30).

2. A cable guide assembly for yarn knotting according to claim 1, characterized in that: The first gear set includes a third drive motor (34), a sixth transmission gear (27), a seventh transmission gear (28), an eighth transmission gear (29), and a second lead screw (17). The third drive motor (34) is fixed on the support plate (19). The output end of the third drive motor (34) is connected to the eighth transmission gear (29). The support plate (19) is provided with a sixth transmission gear (27) and a seventh transmission gear (28) that mesh with each other. One side of the seventh transmission gear (28) is meshed with the eighth transmission gear (29). The front end of the support plate (19) is provided with a pair of second fixing plates (16) that are spaced apart. The bearing between the pair of second fixing plates (16) is a second lead screw (17). The sixth transmission gear (27) is fixedly sleeved on one side end of the second lead screw (17).

3. A cable guide assembly for yarn knotting according to claim 2, characterized in that: The guide rail (24) is slidably installed on the front end of the support plate (19), and the connecting plate (25) at one end of the guide rail (24) is threadedly sleeved on the second lead screw (17) by the second lead screw nut (26).

4. A cable guide assembly for yarn knotting according to claim 3, characterized in that: The second gear set includes a third transmission gear (18), a transmission rod (20), a fourth transmission gear (21), a second drive motor (22), and a fifth transmission gear (23). The second drive motor (22) is fixedly mounted on the sliding table (15). The output end of the second drive motor (22) is fixedly sleeved with the fifth transmission gear (23). The third transmission gear (18) is rotatably mounted on the other side of the sliding table (15). The third transmission gear (18) and the fifth transmission gear (23) are meshed and connected through the fourth transmission gear (21). The fourth transmission gear (21) is rotatably mounted on the guide rail (24). The third transmission gear (18) is provided with a transmission rod (20) that connects to the rotating arm (13). One end of the rotating arm (13) is rotatably mounted on the sliding table (15) through a traction shaft.

5. A cable guide assembly for yarn knotting according to claim 4, characterized in that: One end of the transmission rod (20) is rotatably mounted on the front end face of the third transmission gear (18), and the other end of the transmission rod (20) is rotatably mounted on the rotating arm (13). A sensor (14) is provided on the sliding table (15) to limit the rotation angle of the third transmission gear (18).

6. A cable guide assembly for yarn knotting according to claim 1, characterized in that: The transmission assembly includes a first transmission shaft (8), a first bevel gear (10), a second bevel gear (11), a third bevel gear (31), a fixed shaft (32), and a fourth bevel gear (33). The front end of the rotating arm (13) is provided with a pair of spaced first fixed plates (9). A first transmission shaft (8) parallel to the first lead screw (7) is rotatably mounted between the pair of first fixed plates (9). The traction shaft rotates the rotating arm (13) and extends to the end of the first transmission shaft (8). A second bevel gear (11) is sleeved on the traction shaft. The end of the first transmission shaft (8) is provided with a first bevel gear (10) that meshes with the second bevel gear (11).

7. A cable guide assembly for yarn knotting according to claim 6, characterized in that: The other end of the first drive shaft (8) is fixedly sleeved with a fourth bevel gear (33). One end of the hook arm (30) is rotatably mounted on the rotating arm (13) via a fixed shaft (32). The middle section of the fixed shaft (32) passes through the rotating arm (13), and the other end of the fixed shaft (32) is provided with a third bevel gear (31) that meshes with the fourth bevel gear (33).

8. A cable guide assembly for yarn knotting according to claim 1, characterized in that: A first transmission gear (2) is fixedly sleeved on the output shaft of the first drive motor (1), and the first transmission gear (2) meshes with the second transmission gear (5).