A jet vortex spinning adder

Abstract

This application discloses an air-jet vortex spinning twister, relating to the technical field of twisting equipment. It includes a twister body with a vortex tube extending beyond the twister body at one end, and a guide post at the end of the vortex tube; a yarn core needle disposed on the guide post and located within the twister body; a needle sleeve slidably fitted around the outer periphery of the yarn core needle, the needle sleeve comprising multiple sleeves with progressively decreasing diameters, the sleeves slidingly fitted together; a receiving groove formed on the guide post for the needle sleeve to slide up and down; a mounting base disposed on the vortex tube; a drive post disposed on the side of the sleeve facing away from the guide post, the drive post sliding up and down on the mounting base; a drive wheel rotatably connected to the mounting base, each drive wheel having a threaded hole in the center for threaded connection to the drive post; and a control component disposed on the mounting base, capable of controlling each drive wheel to enter forward and reverse rotation states respectively. This application allows for convenient changes to the diameter of the yarn core.

Description

Technical Field

[0001] This application relates to the technical field of twisting equipment, and in particular to a jet vortex spinning twister. Background Technology

[0002] Hollow yarn is a type of yarn with a special hollow structure. Its large internal space and smooth surface allow air to be stored within the yarn, forming an "air layer" that effectively improves the warmth and breathability of clothing. Hollow yarn is typically produced using an air-jet vortex spinning machine. During spinning, a water-soluble core filament is used, and after the yarn is formed, the core filament is removed through hydrolysis, resulting in hollow yarn.

[0003] Currently, an improved air-jet vortex spinning twister includes a main body, a vortex tube, a vortex air inlet hood, a hollow spindle, and a yarn guide tube. The vortex tube is installed at one end of the main body, and a vortex cavity is provided within the vortex tube. The vortex air inlet hood is fitted over the vortex tube. An air inlet is provided on the vortex air inlet hood, an air jet hole is provided between the vortex air inlet hood and the vortex cavity, and an exhaust hole is provided on the vortex cavity. A guide needle is installed at one end of the vortex tube, and a hollow spindle is installed at the other end of the vortex tube. The guide needle points towards the hollow spindle, and a core yarn is connected to the front end of the guide needle. A yarn guide tube is movably installed inside the hollow spindle. During spinning, a fiber inlet hole is provided on one side of the guide needle. The fiber sliver is fed into the vortex cavity through the fiber inlet hole. Under the action of the vortex airflow in the vortex cavity, and with the help of the guide needle, the yarn fibers are vortexed outside the core yarn to form yarn. Under the external traction, the yarn moves along the central channel and through the yarn inlet hole. At the same time, the core yarn is pulled away along with the movement of the yarn to form a hollow yarn.

[0004] The diameter of the hollow hole inside the hollow yarn is determined by the yarn core, which is fixedly connected to the guide pin. If you want to change the diameter of the yarn core, you need to disassemble and remove the guide pin, which is quite troublesome. Summary of the Invention

[0005] To facilitate changing the diameter of the yarn core, this application provides an air jet vortex spinning twister.

[0006] This application provides an air-jet vortex spinning twister, which adopts the following technical solution:

[0007] A jet vortex spinning twister, comprising

[0008] The twister body is provided with a vortex tube, the end of which protrudes out of the twister body and a guide post located inside the twister body is provided at the end of the vortex tube.

[0009] A yarn core needle is disposed at the end of the guide post away from the vortex tube and is coaxially arranged, and the yarn core needle is located in the body of the twister;

[0010] The needle sleeve is slidably fitted on the outer periphery of the yarn core needle. The needle sleeve includes multiple sleeves with progressively smaller diameters. The sleeves are slidably fitted on each other. The guide post forms a receiving groove for the needle sleeve to slide up and down.

[0011] A mounting base is provided at the end of the vortex tube facing away from the guide post;

[0012] The sleeve is provided with a drive column that slides up and down on the mounting base on the side opposite to the guide column;

[0013] The mounting base is rotatably connected to a drive wheel that corresponds to the drive column one by one, and the drive wheel has a threaded hole in the middle for threaded connection of the drive column.

[0014] A control component is disposed on the mounting base, and the control component is capable of controlling each of the drive wheels to enter the forward and reverse rotation states respectively.

[0015] By adopting the above technical solution, the coaxial arrangement of the yarn core needle and the needle sleeve, as well as the multi-layer sleeve structure of the needle sleeve, allows the needle sleeve to slide flexibly on the guide post, thereby achieving the effect of quickly adjusting the diameter of the hollow structure inside the hollow yarn.

[0016] Optionally, the control assembly includes a control sleeve, a connecting rack, a connecting gear, a control rack, a drive gear, a drive shaft, a control belt, an outer sleeve, an inner sleeve, a control gear, and a control column;

[0017] The control sleeve is rotatably connected to the mounting base with the central axis of the yarn core needle as the center, the power shaft is rotatably connected to the mounting base, and the power shaft protrudes out of the mounting base;

[0018] The connecting rack is disposed outside the control sleeve, and the power gear is disposed at the end of the power shaft and rotates within the mounting base. The power gear meshes with the connecting rack.

[0019] The control rack is disposed on the inner peripheral sidewall of the control sleeve, and multiple control racks are arranged at intervals above and below, each corresponding to one of the drive wheels;

[0020] The connecting gear is rotatably connected to the mounting base. The connecting gear corresponds to and meshes with the control rack. The control column slides up and down on the mounting base and its top protrudes out of the mounting base.

[0021] The connecting gear has a control tooth groove in the middle, and the control post passes through the control tooth groove;

[0022] The outer sleeve is fitted around the outer periphery of the control column and rotates on the mounting base. The outer sleeve corresponds to each of the drive wheels. The control belt slides through the mounting base. The control sleeve is fitted between the drive wheel and the outer sleeve.

[0023] The inner sleeve is fitted around the outer periphery of the control column and slides up and down on the outer sleeve. The inner sleeve is provided with a linkage component that drives the outer sleeve to rotate.

[0024] A connecting ring is fixed to the outer periphery of the control column, and the inner sleeve forms a connecting groove for the connecting ring to slide circumferentially.

[0025] The control gear is disposed on the outer periphery of the inner sleeve, and the control gear slides up and down in the control tooth groove, and the control gear meshes with the control tooth groove;

[0026] When one of the control gears slides into the control tooth groove, the other control gears are located outside the control tooth groove.

[0027] By adopting the above technical solution, the cooperation between the control sleeve and the power shaft, as well as the meshing between the power gear and the connecting rack, provides a power source for the entire control system. The control rack engages with the adjacent control tooth groove, which facilitates the control of the up and down movement of the corresponding tube.

[0028] Optionally, the control gear has a through hole in the middle for the inner sleeve to pass through, a limiting block is provided on the outer periphery of the inner sleeve, and a limiting groove is formed in the wall of the through hole for the limiting block to slide up and down.

[0029] The control gear is equipped with a control spring located in the limiting groove. The top of the control spring abuts against the bottom of the limiting block, and the bottom of the control spring abuts against the wall of the limiting groove.

[0030] By adopting the above technical solution, the combined design of the control gear and the control spring allows the control column to continue moving downwards when the control gear is not aligned with the control tooth groove, until the control gear and the control tooth groove are aligned. At this point, the control spring is released elastically, which facilitates the sliding of the control gear into the control tooth groove.

[0031] Optionally, the linkage component is a linkage block, which is disposed on the outer wall of the inner sleeve, and the inner wall of the outer sleeve has a linkage groove for the linkage block to slide up and down.

[0032] By adopting the above technical solution, the linkage groove on the inner wall of the linkage block outer sleeve engages, enabling synchronous rotation between the inner and outer sleeves. This design ensures that when the inner sleeve slides up and down under the drive of the control column, it can drive the outer sleeve to rotate together, thereby achieving forward and reverse rotation control of the drive wheel.

[0033] Optionally, the outer periphery of the control column is provided with sliding teeth that slide up and down on the mounting base, and the mounting base is formed with sliding tooth grooves for the sliding teeth to engage, and there are multiple sliding tooth grooves that are evenly arranged vertically.

[0034] The sliding tooth grooves from top to bottom correspond one-to-one with the control tooth grooves from top to bottom. When a sliding tooth is engaged in one of the sliding tooth grooves, the corresponding control gear is engaged in the control tooth groove.

[0035] By adopting the above technical solution, the design of the sliding teeth and sliding tooth grooves ensures the precise positioning of the control column. By engaging the sliding teeth with sliding tooth grooves at different positions, precise alignment of the control gear and control tooth grooves can be achieved, thereby enabling control of different drive wheels.

[0036] Optionally, the end of the control column is provided with a toggle block located outside the mounting base.

[0037] By adopting the above technical solution, the control column can be easily slid up and down by moving the toggle block, thereby realizing the control of the control column.

[0038] Optionally, the sleeve includes a tube body and a sleeve body, the tube body sliding up and down in the receiving groove, and the sleeve body sliding up and down in the mounting base;

[0039] The sleeves are multiple and nested together. The diameter of the sleeves gradually decreases from the inside to the outside. The sleeves and the tubes are in one-to-one correspondence and connected by a transmission column.

[0040] The drive column is located on the side of the sleeve facing away from the tube.

[0041] By adopting the above technical solution, the multi-layered sleeve structure of the cannula and the connection design with the drive column enable flexible sliding and precise positioning of the needle sleeve on the guide column. The drive column drives the cannula, allowing for automated adjustment of the needle sleeve position.

[0042] Optionally, a drive motor is provided on the outer wall of the mounting base, and the output shaft of the drive motor is connected to and coaxially arranged with the power shaft;

[0043] The mounting base is equipped with a controller electrically connected to the drive motor, and the controller controls the drive motor to rotate forward or in reverse.

[0044] By adopting the above technical solution, the drive motor mounted on the outer wall of the mounting base and its electrical connection with the controller provide a stable power source and intelligent control for the entire control system. Through the controller's forward and reverse control of the drive motor, precise control and coordinated operation of all components of the twister can be achieved.

[0045] In summary, this application includes at least one of the following beneficial effects:

[0046] 1. The coaxial arrangement of the yarn core needle and the needle sleeve, as well as the multi-layer sleeve structure of the needle sleeve, allows the needle sleeve to slide flexibly on the guide post, thereby achieving the effect of quickly adjusting the diameter of the hollow structure inside the hollow yarn;

[0047] 2. The drive motor mounted on the outer wall of the mounting base and its electrical connection to the controller provide a stable power source and intelligent control for the entire control system. By controlling the forward and reverse rotation of the drive motor through the controller, precise control and coordinated operation of all components of the twister can be achieved. Attached Figure Description

[0048] Figure 1 This is a schematic diagram of the external structure of an embodiment of this application;

[0049] Figure 2 This is a schematic diagram of the internal cross-section of an embodiment of this application;

[0050] Figure 3 This is a schematic diagram of the connection structure between the tube body and the sleeve body in an embodiment of this application;

[0051] Figure 4 yes Figure 2 Enlarged schematic diagram of part A;

[0052] Figure 5 yes Figure 2 Enlarged schematic diagram of part B;

[0053] Figure 6 yes Figure 1 Enlarged schematic diagram of part C;

[0054] Figure 7 yes Figure 2 Enlarged schematic diagram of part D.

[0055] Reference numerals: 1. Twisting device body; 11. Vortex tube; 12. Guide post; 121. Receiving groove; 2. Yarn core needle; 3. Needle sleeve; 31. Sleeve; 311. Tube body; 312. Sleeve body; 32. Drive post; 33. Drive wheel; 331. Threaded hole; 34. Transmission post; 341. First post body; 342. Second post body; 4. Mounting base; 41. Sliding tooth groove; 42. Slide groove; 43. Drive motor; 44. Controller; 5. Power shaft; 51. Control 511. Connecting rack; 512. Control rack; 52. Connecting gear; 521. Control tooth groove; 53. Power gear; 54. Control belt; 55. Outer sleeve; 551. Linkage groove; 56. Inner sleeve; 561. Connecting groove; 562. Limiting block; 563. Linkage block; 57. Control gear; 571. Through hole; 572. Limiting groove; 573. Control spring; 58. Control column; 581. Connecting ring; 582. Sliding tooth; 583. Actuating block. Detailed Implementation

[0056] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0057] This application discloses an air-jet vortex spinning twister. See also... Figure 1 and Figure 2 The twister includes a twister body 1, on which a vortex tube 11 is fixedly installed. The vortex tube 11 is located inside the twister body 1, and the top end of the vortex tube 11 protrudes outside the twister body 1. A guide post 12 is fixedly connected to the bottom end of the vortex tube 11, and the guide post 12 is located inside the twister body 1.

[0058] The twister also includes a yarn core needle 2, which is fixed to the guide post 12. The yarn core needle 2 is located at the end of the guide post 12 away from the vortex tube 11, and is coaxially arranged with the guide post 12. The yarn core needle 2 is located inside the twister body 1. The yarn fibers entering the twister body 1 are guided by the guide post 12 and vortexed outside the yarn core needle 2. As the yarn outside the yarn core needle 2 moves away from the yarn core needle 2, a hollow structure is formed inside the yarn.

[0059] See Figure 2 and Figure 3 The twister also includes a needle sleeve 3. The guide post 12 has a receiving groove 121 extending vertically and penetrating downwards to the outside of the guide post 12. The needle sleeve 3 is slidably fitted onto the outer periphery of the yarn core needle 2, sliding up and down within the receiving groove 121. The needle sleeve 3 includes multiple sleeves 31 that slide up and down on each other. The diameter of adjacent sleeves 31 decreases progressively from the direction closer to the yarn core needle 2 to the direction farther away from the yarn core needle 2. By sliding the sleeves 31 to the outer periphery of the yarn core needle 2, the diameter of the hollow structure formed within the yarn is changed.

[0060] The twister also includes a mounting base 4, which is fixedly connected to the end of the vortex tube 11 facing away from the guide post 12. The sleeve 31 includes a tube body 311 and a sleeve body 312. The tube body 311 slides up and down in the receiving groove 121, and the sleeve body 312 slides up and down in the mounting base 4. There are multiple sleeve bodies 312, which are nested together. The diameter of the sleeve body 312 gradually decreases from the inside to the outside, and the sleeve body 312 corresponds one-to-one with the tube body 311. A transmission post 34 is fixedly connected between the sleeve body 312 and the tube body 311. The transmission post 34 slides up and down between the guide post 12, the vortex tube 11, and the mounting base 4, and adjacent transmission posts 34 are staggered.

[0061] The transmission column 34 includes a first column 341 and a second column 342. There are two first columns 341. The top of the upper first column 341 is connected and fixed to the sleeve 312, and the bottom of the lower first column 341 is fixedly connected to the top of the tube 311. The two first columns 341 are staggered vertically and parallel to each other. The two ends of the second column 342 are respectively connected and fixed to the two first columns 341.

[0062] See Figure 3 and Figure 4 A drive column 32 is fixedly connected to the side of the sleeve 312 facing away from the first column 341. Each drive column 32 corresponds to one sleeve 312 and slides up and down on the mounting base 4, with adjacent drive columns 32 being offset from each other. A drive wheel 33 is rotatably connected to the mounting base 4, and each drive wheel 33 corresponds to one drive column 32, with adjacent drive wheels 33 being offset from each other. A threaded hole 331 is formed in the middle of the drive wheel 33, and the threaded hole 331 is threaded to the outer peripheral sidewall of the drive column 32. When the drive wheel 33 rotates, it drives the corresponding drive column 32 to move up and down, causing the tube 311 to enter a vertical movement state.

[0063] See Figure 4 and Figure 5 The twister also includes a control assembly, which includes a control sleeve 51, a connecting rack 511, a connecting gear 52, a control rack 512, and a drive gear 53 (the drive gear 53 is in...). Figure 2 (The components are listed below), power shaft 5, control belt 54, outer sleeve 55, inner sleeve 56, control gear 57, and control column 58.

[0064] The control sleeve 51 is annular and rotatably connected to the mounting base 4, with its central axis coinciding with the central axis of the yarn core. The drive shaft 5 is rotatably connected to the mounting base 4, with its top protruding beyond the mounting base 4, and its central axis parallel to the central axis of the control sleeve 51. The connecting rack 511 is annular and fixedly connected to the outer wall of the control sleeve 51, and the drive gear 53 (the drive gear 53 is in...) Figure 2The control sleeve 51 is fixedly connected to the bottom end of the power shaft 5 (marked out). The power gear 53 rotates within the mounting base 4 and meshes with the connecting rack 511. When the power shaft 5 rotates, the power gear 53 drives the control sleeve 51 to rotate through the connecting rack 511.

[0065] See Figure 6 A drive motor 43 is fixedly mounted on the outer wall of the mounting base 4. The output shaft of the drive motor 43 is connected to the power shaft 5 (the power shaft 5 is located on the outer wall of the mounting base 4). Figure 2 (Pointed out) Fixed connection and coaxial arrangement. A controller 44 is fixedly connected to the top outer wall of the mounting base 4, and the controller 44 is electrically connected to the drive motor 43. In use, the controller 44 controls the start and stop of the drive motor 43, and the controller 44 can control the drive motor 43 to enter the forward or reverse rotation state when it is started.

[0066] See Figure 4 and Figure 5 The control rack 512 has a ring-shaped structure and is fixedly connected to the inner circumferential side wall of the control sleeve 51. There are multiple control racks 512, which are spaced vertically. Each control rack 512 corresponds to a drive wheel 33. The connecting gear 52 is rotatably connected to the mounting base 4. The connecting gear 52 corresponds to each control rack 512 and meshes with them.

[0067] See Figure 5 and Figure 6 The control post 58 slides up and down on the mounting base 4, and protrudes upwards beyond the mounting base 4. A toggle block 583 is fixedly connected to the end of the control post 58, located outside the mounting base 4. In use, the toggle block 583 moves the control post 58 up and down. A control tooth groove 521 is formed in the middle of the connecting gear 52, through which the control post 58 passes. There is a gap between the outer peripheral wall of the control post 58 and the peripheral groove wall of the control tooth groove 521.

[0068] The outer sleeve 55 is rotatably connected to the mounting base 4, and the outer sleeve 55 is fitted on the outer periphery of the control post 58. The inner diameter of the outer sleeve 55 is larger than the outer diameter of the control post 58.

[0069] See Figure 4 and Figure 5 The outer sleeve 55 corresponds one-to-one with the drive wheel 33, and the control belt 54 is connected end to end and slides through the mounting base 4. The control belt 54 is made of rubber material, and the control sleeve 51 is fitted between the drive wheel 33 and the outer sleeve 55, so that the drive wheel 33 and the outer sleeve 55 can be linked.

[0070] The inner sleeve 56 is fitted onto the outer periphery of the control post 58. The outer diameter of the inner sleeve 56 is smaller than the inner diameter of the outer sleeve 55, while the inner diameter of the inner sleeve 56 is larger than the outer diameter of the control post 58. The inner sleeve 56 slides up and down against the outer sleeve 55. The inner sleeve 56 is equipped with a linkage component, namely a linkage block 563, which is fixedly connected to the outer periphery of the inner sleeve 56. The inner wall of the outer sleeve 55 has a linkage groove 551 extending vertically, and the linkage block 563 slides up and down within the linkage groove 551. When the inner sleeve 56 rotates, the linkage block 563 drives the outer sleeve 55 to rotate, thus achieving linkage between the outer sleeve 55 and the inner sleeve 56.

[0071] A connecting ring 581 is fixed to the outer periphery of the control column 58, and a connecting groove 561 with an annular structure is formed on the inner periphery of the inner sleeve 56. The connecting ring 581 slides circumferentially in the connecting groove 561. When the control column 58 moves up and down, the connecting ring 581 can drive the inner sleeve 56 to move up and down, and when the inner sleeve 56 rotates, the connecting ring 581 slides in the connecting groove 561.

[0072] The control gear 57 is rotatably and slidably connected to the mounting base 4. A through hole 571 is formed in the middle of the control gear 57, through which the inner sleeve 56 passes. The control gear 57 and the inner sleeve 56 are slidably connected vertically. A limiting block 562 is fixedly connected to the outer periphery of the inner sleeve 56. A limiting groove 572 extending vertically is formed on the periphery wall of the control hole, and the limiting block 562 slides vertically within the limiting groove 572. When the inner sleeve 56 rotates, the limiting block 562 drives the control gear 57 to rotate, thus achieving linkage between the control gear 57 and the inner sleeve 56. The control gear 57 is equipped with a control spring 573, which is located within the limiting groove 572. The top of the control spring 573 abuts against the bottom of the limiting block 562, and the bottom of the control spring 573 abuts against the bottom wall of the limiting groove 572.

[0073] Initially, the uppermost control gear 57 is adjacent to the control slot 521, while the remaining control gears 57 below are positioned between two adjacent control slots 521, with the distance between each control gear 57 and the lower control slot 521 increasing from top to bottom. When the control post 58 is slid downwards, it causes the inner sleeve 56 to slide downwards. At this point, the uppermost control gear 57 abuts against the lower connected gear 52, and then the limiting block 562 slides in the limiting groove 572, compressing the control spring 573. Meanwhile, the distance between the lower control gear 57 and the lower adjacent control slot 521 gradually decreases. When the uppermost control gear 57 aligns with the control tooth groove 521, the control gear 57 slides down into the control tooth groove 521, at which point the control gear 57 and the control tooth groove 521 mesh, and the uppermost control gear 57 is connected to the corresponding connecting gear 52. As the lower adjacent control gear 57 is close to the control tooth groove 521, and the control post 58 continues to slide downward, the uppermost control gear 57 slides out of the control tooth groove 521, while the lower connected control gear 57 slides into the control tooth groove 521. This process continues, and as the control post 58 slides downward, starting from the uppermost control gear 57, the control gears 57 can successively slide downward and engage with the corresponding control tooth grooves 521.

[0074] When the control gear 57 slides into the control tooth groove 521, the control sleeve 51 rotates, at which point the connecting gear 52 drives the control gear 57 to rotate; then the inner sleeve 56 drives the outer sleeve 55 to rotate, and then the control belt 54 drives the drive wheel 33 to rotate, causing the drive shaft to move up and down in the vertical direction. When the control sleeve 51 rotates clockwise, the drive shaft moves downward; when the control sleeve 51 rotates counterclockwise, the drive shaft moves upward.

[0075] See Figure 5 and Figure 7 To facilitate determining the engagement state between the control gear 57 and the control tooth groove 521, a sliding tooth 582 is fixedly connected to the outer periphery of the control post 58. The sliding tooth 582 is made of an elastic material, such as plastic. The mounting base 4 forms multiple sliding tooth grooves 41, which are evenly spaced vertically. The sliding tooth grooves 41 from top to bottom correspond one-to-one with the control tooth grooves 521 from top to bottom. When the sliding tooth 582 engages in one of the sliding tooth grooves 41, the corresponding control gear 57 engages in the corresponding control tooth groove 521. The mounting base 4 forms a clearance groove located above the sliding tooth groove 41. When the sliding tooth 582 engages in the clearance groove, the control gear 57 disengages from the control tooth groove 521. The mounting base 4 forms a sliding groove 42, which communicates with the sliding tooth groove 41, and the sliding tooth 582 slides in the sliding groove 42. When the sliding tooth 582 slides into the groove 42, the sliding tooth 582 is in a compressed state. When the sliding tooth 582 slides to align with the groove 42, the elastic deformation of the sliding tooth 582 is restored, and at this time the sliding tooth 582 is stuck into the sliding tooth groove 41.

[0076] The implementation principle of a jet vortex spinning twister in this application embodiment is as follows:

[0077] When adjusting the diameter of the hollow structure within the hollow yarn during spinning, first pause the spinning machine. Then, the controller 44 drives the output shaft of the drive motor 43 to reverse, causing the tube 311 to slide upwards into the receiving groove 121. Next, pause the drive motor 43. Then, slide the control column 58 up and down, controlling the control gear 57 of the corresponding diameter tube 311 to engage with the control gear groove 521. The controller 44 then controls the drive motor 43 to rotate forward, causing the tube 311 of the corresponding diameter to slide out of the receiving groove 121 and be fitted onto the outer circumference of the yarn core needle 2. Finally, the spinning machine can be restarted to continue spinning.

[0078] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A jet-driven vortex spinning twister, characterized in that: include The twister body (1) is provided with a vortex tube (11), the end of the vortex tube (11) protrudes out of the twister body (1), and the end of the vortex tube (11) is provided with a guide post (12) located inside the twister body (1). The yarn core needle (2) is located at one end of the guide post (12) away from the vortex tube (11) and is coaxially arranged. The yarn core needle (2) is located inside the twister body (1). The needle sleeve (3) is slidably sleeved on the outer periphery of the yarn core needle (2). The needle sleeve (3) includes a plurality of sleeves (31) with progressively smaller diameters. The sleeves (31) are slidably sleeved on each other. The guide post (12) forms a receiving groove (121) for the needle sleeve (3) to slide up and down. Mounting base (4) is located at the end of the vortex tube (11) facing away from the guide post (12); The sleeve (31) is provided with a drive column (32) that slides up and down on the mounting base (4) on the side opposite to the guide column (12). The drive column (32) slides up and down on the mounting base (4). The mounting base (4) is rotatably connected to a drive wheel (33) that corresponds one-to-one with the drive column (32). The drive wheel (33) has a threaded hole (331) in the middle for the drive column (32) to be threadedly connected. A control component is provided on the mounting base (4), and the control component is capable of controlling each of the drive wheels (33) to enter the forward rotation and reverse rotation states respectively; The sleeve (31) includes a tube body (311) and a sleeve body (312). The tube body (311) slides up and down in the receiving groove (121), and the sleeve body (312) slides up and down in the mounting base (4). There are multiple sleeves (312) and they are nested together. The diameter of the sleeves (312) gradually decreases from the inside to the outside. The sleeves (312) and the tubes (311) correspond one to one and are connected by transmission columns (34). The drive column (32) is located on the side of the sleeve (312) facing away from the tube (311).

2. The jet vortex spinning twister according to claim 1, characterized in that: The control assembly includes a control sleeve (51), a connecting rack (511), a connecting gear (52), a control rack (512), a power gear (53), a power shaft (5), a control belt (54), an outer sleeve (55), an inner sleeve (56), a control gear (57), and a control column (58). The control sleeve (51) is rotatably connected to the mounting base (4) with the central axis of the yarn core needle (2) as the center, and the power shaft (5) is rotatably connected to the mounting base (4), and the power shaft (5) protrudes out of the mounting base (4); The connecting rack (511) is disposed outside the control sleeve (51), the power gear (53) is disposed at the end of the power shaft (5) and rotates within the mounting base (4), and the power gear (53) meshes with the connecting rack (511); The control rack (512) is disposed on the inner peripheral side wall of the control sleeve (51), and multiple control racks (512) are arranged at intervals above and below, each corresponding to one of the drive wheels (33); The connecting gear (52) is rotatably connected to the mounting base (4). The connecting gear (52) corresponds to and meshes with the control rack (512). The control column (58) slides up and down on the mounting base (4) and its top protrudes out of the mounting base (4). The connecting gear (52) has a control tooth groove (521) formed in the middle, and the control post (58) passes through the control tooth groove (521). The outer sleeve (55) is fitted around the outer periphery of the control column (58) and rotates on the mounting base (4). The outer sleeve (55) corresponds one-to-one with the drive wheel (33). The control belt (54) slides through the mounting base (4). The control sleeve (51) is fitted between the drive wheel (33) and the outer sleeve (55). The inner sleeve (56) is fitted on the outer periphery of the control column (58) and slides up and down on the outer sleeve (55). The inner sleeve (56) is provided with a linkage component that drives the outer sleeve (55) to rotate. A connecting ring (581) is fixed on the outer periphery of the control column (58), and the inner sleeve (56) forms a connecting groove (561) for the connecting ring (581) to slide circumferentially. The control gear (57) is disposed on the outer periphery of the inner sleeve (56), and the control gear (57) slides up and down on the control tooth groove (521) to mesh or separate from the control tooth groove (521); When one of the control gears (57) slides into the control tooth groove (521), the other control gears (57) are located outside the control tooth groove (521).

3. A jet vortex spinning add-twister as claimed in claim 2 wherein: The control gear (57) has a through hole (571) in the middle for the inner sleeve (56) to pass through, and a limiting block (562) is provided on the outer periphery of the inner sleeve (56). The through hole (571) has a limiting groove (572) in the wall for the limiting block (562) to slide up and down. The control gear (57) is provided with a control spring (573) located in the limiting groove (572). The top of the control spring (573) abuts against the bottom of the limiting block (562), and the bottom of the control spring (573) abuts against the groove wall of the limiting groove (572).

4. A jet vortex spinning add-twister as claimed in claim 2 wherein: The linkage component is a linkage block (563), which is disposed on the outer wall of the inner sleeve (56), and the inner wall of the outer sleeve (55) has a linkage groove (551) for the linkage block (563) to slide up and down.

5. A jet vortex spinning add-twister as claimed in claim 2 wherein: The outer periphery of the control column (58) is provided with sliding teeth (582) that slide up and down on the mounting base (4). The mounting base (4) is formed with sliding tooth grooves (41) for the sliding teeth (582) to be engaged. There are multiple sliding tooth grooves (41) and they are evenly arranged up and down. The sliding tooth grooves (41) from top to bottom correspond one-to-one with the control tooth grooves (521) from top to bottom. When the sliding tooth (582) is engaged in one of the sliding tooth grooves (41), the corresponding control gear (57) is engaged in the control tooth groove (521).

6. A jet vortex spinning add-twister as claimed in claim 5 wherein: The end of the control column (58) is provided with a toggle block (583) located outside the mounting base (4).

7. A jet vortex spinning add-twister as claimed in claim 2 wherein: A drive motor (43) is provided on the outer wall of the mounting base (4), and the output shaft of the drive motor (43) is connected to and coaxially arranged with the power shaft (5); The mounting base (4) is provided with a controller (44) electrically connected to the drive motor (43), and the controller (44) controls the drive motor (43) to rotate forward or reverse.

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