A single-spindle plug-in yarn suction ring structure for rotor spinning machine

By adopting a single-spinned plug-in yarn suction ring structure in the rotary cup spinning machine, and using the combined design of the installation mechanism, locking mechanism and connecting mechanism, the problem of easy falling off of the yarn suction ring main pipe and the solenoid valve is solved, and the problem of easy falling off is realized. More stable connections improve equipment reliability.

CN116043379BActive Publication Date: 2024-12-13JIANGXI JINRUIDA HEMP TEXTILE CO LTD
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Patent Information

Application Number
CN202211588450.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-12
Publication Date
2024-12-13
Estimated Expiration
2042-12-12

AI Technical Summary

Technical Problem

In the existing rotor spinning machine, the connection head between the suction ring main pipe and the solenoid valve is easily fallen due to the complex welding process and the air flow is affected.

Method used

The single-spin plug-in yarn suction ring structure is adopted. Through the combination design of the installation mechanism, locking mechanism and connecting mechanism, the solenoid valve and the yarn suction ring main pipe are ensured to prevent the connection sleeve and air outlet from falling off.

Benefits of technology

It improves the connection stability of the solenoid valve and the yarn suction ring main pipe, prevents the problem of falling off caused by long-term use, and enhances the reliability of the equipment.

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Abstract

The invention relates to the technical field of textile machinery and discloses a single-spindle plug-in yarn suction ring structure of a rotor spinning machine, which solves the problem that the current yarn suction ring main pipe and a connector connected to an electromagnetic valve are formed by integrated welding, the welding process is relatively complicated, and the connector may fall off due to the influence of airflow after long-term use. The invention comprises a rotor spinning machine, a yarn suction ring main pipe is provided on the top of the rotor spinning machine, electromagnetic valves are provided on both sides of the yarn suction ring main pipe at equal distances, a mounting mechanism is installed between the electromagnetic valve and the rotor spinning machine, and a locking mechanism is installed on one side of the mounting mechanism; the invention can make the two inner plates move away from each other when the springs on both sides are reset, and make the two side rods move away from each other until they are respectively located on the inner sides of the two inner holes, and the two side blocks are both fitted with the mounting plate, and then the bottom frame and the mounting plate are fixed, so as to firmly connect the electromagnetic valve and the yarn suction ring main pipe to avoid the connection sleeve and the air outlet from falling off.
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Description

Technical Field

[0001] The invention belongs to the technical field of textile machinery, and in particular relates to a single-spindle plug-in yarn suction ring structure of a rotor spinning machine. Background Art

[0002] In the jointing system of the rotor spinning machine equipment, a yarn suction device is usually set to temporarily store the yarn that cannot be wound in time in the branch pipe of the yarn suction ring within the time range set by the jointing, so as to prevent the yarn from being entangled and knotted.

[0003] The yarn suction ring main pipe of the existing yarn suction device and the connector connected to the electromagnetic valve are formed by integrated welding. The welding process is relatively complicated and the connector may fall off due to the influence of airflow after long-term use. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a single-spindle plug-in yarn suction ring structure of a rotor spinning machine, which effectively solves the problem that the current yarn suction ring main pipe and the connecting head connected to the solenoid valve are formed by integrated welding, and the welding process is relatively complicated and the connecting head will fall off due to the influence of airflow after long-term use.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a single-spindle plug-in yarn suction ring structure of a rotor spinning machine, comprising a rotor spinning machine, a yarn suction ring main pipe is provided on the top of the rotor spinning machine, solenoid valves are provided at equal distances on both sides of the yarn suction ring main pipe, a mounting mechanism is installed between the solenoid valve and the rotor spinning machine, a locking mechanism is installed on one side of the mounting mechanism, connecting sleeves are fixedly installed at equal distances on both sides of the yarn suction ring main pipe, an air outlet is installed on one side of the solenoid valve, the air outlet sleeve is arranged on the inner side of the connecting sleeve, a connecting mechanism is installed on the other side of the solenoid valve, and a yarn suction ring branch pipe is installed on one side of the connecting mechanism;

[0006] The mounting mechanism comprises a bottom frame fixed to the bottom of the solenoid valve, the bottom frame is located on the rotor spinning machine, two inner rods are symmetrically fixedly mounted on the inner side of the bottom frame, two inner plates are symmetrically and movably connected to the outer sides of the two inner rods, a handle is fixedly mounted on one side of the two inner plates, a connecting block is fixedly mounted on the other side of the two inner plates, a side rod and a side block are fixedly mounted on the sides of the two connecting blocks away from each other, through holes are provided on the two side blocks, two springs are fixedly connected to the sides of the two inner plates away from each other, one end of the spring is fixedly connected to the inner wall of the bottom frame, and the spring is movably sleeved with the inner rod.

[0007] Preferably, a mounting plate is installed on one side of the bottom frame, and the mounting plate is fixedly connected to the rotor spinning machine. A through groove is provided on the mounting plate, and two connecting blocks are located on the inner side of the through groove. Two inner holes are symmetrically provided on the inner side of the through groove, and two side rods are respectively located on the inner sides of the two inner holes. The two side blocks are both fitted with the mounting plate, and two outer holes are provided on the mounting plate, and the two outer holes are respectively connected to the two through holes.

[0008] Preferably, the locking mechanism includes a movable plate located on one side of the mounting plate, two side blocks are both fitted with the movable plate, two mounting rods are symmetrically fixedly installed on one side of the movable plate, the two mounting rods respectively pass through two through holes and are respectively located on the inner sides of the two outer holes, a limiting plate is fixedly installed on one side of the movable plate, and the sides of the two connecting blocks close to each other are respectively fitted with the two sides of the limiting plate.

[0009] Preferably, two fixing rods are symmetrically fixedly installed on one side of the mounting plate, side plates are movably installed on the outer sides of the two fixing rods, fixing blocks are fixedly installed on one end of the two fixing rods, a screw is fixedly installed on one side of the mounting plate, the screw is located between the two fixing rods, a bottom block is fixedly connected between the two side plates, the top of the bottom block is fixedly connected to the bottom of the movable plate, the bottom block is sleeved on the screw, a nut is threadedly sleeved on the outer side of the screw, and the nut fits with the bottom block.

[0010] Preferably, the connecting mechanism includes an air inlet fixed on the solenoid valve, two positioning holes are symmetrically provided on one side of the air inlet, an outer ring is installed on one side of the air inlet, the outer ring is fixedly connected to the yarn suction ring branch pipe, two positioning rods are symmetrically fixedly connected to one side of the outer ring, the two positioning rods are respectively located on the inner sides of the two positioning holes, and two clamping holes are symmetrically provided on the other side of the outer ring.

[0011] Preferably, one side of the outer ring is symmetrically provided with a clamp ring 1 and a clamp ring 2, both of which are in contact with the yarn suction ring branch tube, one side of the clamp ring 1 and the clamp ring 2 is fixedly installed with a clamp rod, the two clamp rods are respectively located on the inner sides of the two clamp holes, and one side of the clamp ring 1 close to the clamp ring 2 is symmetrically fixedly installed with two magnets 1, and one side of the clamp ring 2 close to the clamp ring 1 is symmetrically fixedly installed with two magnets 2, and the two magnets 1 are respectively attracted to the two magnets 2.

[0012] Preferably, a fixing ring is fixedly installed on the outer side of the air inlet, grooves are provided on both sides of the fixing ring, connecting shafts are fixedly installed on the inner sides of the two grooves, sleeve plates are rotatably connected to the outer sides of the two connecting shafts, movable rods are movably installed on the inner sides of the two sleeve plates, one end of the two movable rods respectively extends to the inner sides of the two sleeve plates, and connecting plates are fixedly installed on the other sides of the two movable rods, and clamp ring 1 and clamp ring 2 are fixedly connected to the two connecting plates respectively.

[0013] Preferably, one side of the two sleeve plates is fixedly connected with a spring 2, one end of the two springs 2 are respectively fixedly connected to the two connecting plates, and the two springs 2 are respectively movably sleeved with the two movable rods.

[0014] Preferably, one side of the two sleeve plates is provided with a side groove, the inner sides of the two side grooves are installed with guide blocks, and the two guide blocks are fixedly connected to the two movable rods respectively.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The present invention, through the cooperation between the handle and the inner plate and the inner rod and the spring, can make the two connecting blocks approach each other, and at the same time make the springs on both sides stretched, so that the bottom frame can be placed on the rotor spinning machine and fit with the mounting plate, and one end of the air outlet is sleeved on the inner side of the connecting sleeve, when the springs on both sides are reset, the two inner plates can be moved away from each other, and the two side rods can be moved away from each other until they are respectively located on the inner sides of the two inner holes, and the two side blocks are fitted with the mounting plate, and then the bottom frame and the mounting plate are fixed, so that the solenoid valve and the main pipe of the yarn suction ring are firmly connected to prevent the connecting sleeve and the air outlet from falling off;

[0017] (2) The present invention enables the movable plate to move by coordinating between the fixed rod and the side plate and between the bottom block and the movable plate, so that the two sides of the limit plate are respectively fitted with the two connecting blocks, and one end of the two mounting rods passes through the two through holes and is respectively located on the inner sides of the two outer holes, and the movable plate is fixed by coordinating between the screw rod, the nut and the bottom block, thereby limiting the two connecting blocks and preventing the two inner plates from moving, thereby improving the connection stability between the solenoid valve and the yarn suction ring main pipe.

[0018] (3) The invention can place one end of the yarn suction ring branch pipe in the air inlet through the cooperation between the outer ring and the air inlet, and between the positioning rod and the positioning hole. The invention can rotate and move the clamp ring 1 and the clamp ring 2 through the cooperation between the connecting shaft and the sleeve plate, and between the movable rod and the connecting plate, so that the two springs 2 are stretched. The clamp ring 1 and the clamp ring 2 can be fixed through the cooperation between the magnet 1 and the magnet 2, so that the clamp ring 1 and the clamp ring 2 are sleeved on the yarn suction ring branch pipe. When the two springs 2 are reset, the clamp ring 1 and the clamp ring 2 can move and fit with the outer ring, so that the two clamping rods are respectively located on the inner sides of the two clamping holes. The outer ring can be fixed to the air inlet, thereby facilitating the connection between the yarn suction ring branch pipe and the solenoid valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0020] In the attached picture:

[0021] Figure 1 It is a schematic diagram of the structure of the single-spindle plug-in yarn suction ring of the rotor spinning machine of the present invention;

[0022] Figure 2 This is a schematic diagram of the branch pipe structure of the yarn suction ring of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the installation mechanism of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the mounting plate of the present invention;

[0025] Figure 5 It is a schematic diagram of the locking mechanism structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the connecting mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of the exploded structure of the connection mechanism of the present invention;

[0028] Figure 8 It is a schematic diagram of the fixing ring structure of the present invention.

[0029] In the figure: 1, rotor spinning machine; 2, main pipe of yarn suction circle; 3, branch pipe of yarn suction circle; 4, solenoid valve; 5, mounting mechanism; 501, bottom frame; 502, handle; 503, inner plate; 504, inner rod; 505, spring 1; 506, mounting plate; 507, through groove; 508, inner hole; 509, through hole; 5010, connecting block; 5011, side rod; 5012, side block; 5013, outer hole; 6, locking mechanism; 601, movable plate; 602, limit plate; 603, fixed rod; 604, fixed block; 605, screw; 606, nut ;607, bottom block; 608, side plate; 609, mounting rod; 7, connecting mechanism; 701, air inlet; 702, outer ring; 703, clamp ring 1; 704, clamp ring 2; 705, fixing ring; 706, positioning hole; 707, positioning rod; 708, clamping hole; 709, connecting shaft; 7010, side groove; 7011, guide block; 7012, movable rod; 7013, connecting plate; 7014, magnet 1; 7015, magnet 2; 7016, clamping rod; 7017, sleeve plate; 7018, spring 2; 8, connecting sleeve; 9, air outlet. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] Embodiment 1, by Figure 1-Figure 8 The present invention includes a rotor spinning machine 1, a yarn suction ring main pipe 2 is provided on the top of the rotor spinning machine 1, solenoid valves 4 are evenly spaced on both sides of the yarn suction ring main pipe 2, a mounting mechanism 5 is installed between the solenoid valve 4 and the rotor spinning machine 1, a locking mechanism 6 is installed on one side of the mounting mechanism 5, connecting sleeves 8 are evenly and fixedly installed on both sides of the yarn suction ring main pipe 2, an air outlet 9 is installed on one side of the solenoid valve 4, and the air outlet 9 is sleeved on the inner side of the connecting sleeve 8, a connecting mechanism 7 is installed on the other side of the solenoid valve 4, and a yarn suction ring branch pipe 3 is installed on one side of the connecting mechanism 7.

[0032] Embodiment 2, on the basis of embodiment 1, the mounting mechanism 5 comprises a bottom frame 501 fixed to the bottom of the solenoid valve 4, the bottom frame 501 is located on the rotor spinning machine 1, two inner rods 504 are symmetrically fixedly mounted on the inner side of the bottom frame 501, and two inner plates 503 are symmetrically and movably connected to the outer sides of the two inner rods 504, one side of the two inner plates 503 is fixedly mounted with a handle 502, and the other side of the two inner plates 503 is fixedly mounted with a connecting block 5010, and the two connecting blocks 5010 are fixedly mounted with a side rod 5011 and a side block 5012 on the side away from each other, and the two side blocks 5012 are provided with a through hole 509, and the two inner plates 503 are fixedly connected with a handle 502 on the side away from each other. Two springs 505, one end of the spring 505 is fixedly connected to the inner wall of the bottom frame 501, the spring 505 is movably sleeved with the inner rod 504, a mounting plate 506 is installed on one side of the bottom frame 501, the mounting plate 506 is fixedly connected to the rotor spinning machine 1, a through slot 507 is provided on the mounting plate 506, two connecting blocks 5010 are both located on the inner side of the through slot 507, two inner holes 508 are symmetrically provided on the inner side of the through slot 507, two side rods 5011 are respectively located on the inner sides of the two inner holes 508, two side blocks 5012 are both fitted with the mounting plate 506, two outer holes 5013 are provided on the mounting plate 506, and the two outer holes 5013 are respectively connected to the two through holes 509;

[0033] First, pull the two handles 502 to drive the two inner plates 503 closer to each other, and at the same time, the springs 505 on both sides are stretched, and then the bottom frame 501 is placed on the rotor spinning machine 1, and at the same time, the bottom frame 501 and the mounting plate 506 are fitted. At this time, one end of the air outlet 9 is sleeved in the connecting sleeve 8, and at the same time, the two connecting blocks 5010 are both located on the inner side of the through groove 507, and then the control of the two handles 502 is released. At this time, the two springs 505 are reset to drive the two inner plates 503 away from each other, and drive the two connecting blocks 5010 away from each other until they are fitted with the inner wall of the through groove 507. At this time, the two side rods 5011 are respectively located on the inner sides of the two inner holes 508, and the two side blocks 5012 are both fitted with the mounting plate 506. At this time, the bottom frame 501 is fixed to the mounting plate 506, and the solenoid valve 4 is fixed to the rotor spinning machine 1. Finally, the solenoid valve 4 is firmly connected to the yarn suction ring main pipe 2 to prevent the air outlet 9 and the connecting sleeve 8 from falling off.

[0034] Embodiment 3, on the basis of embodiment 1, the locking mechanism 6 includes a movable plate 601 located on one side of the mounting plate 506, two side blocks 5012 are both fitted with the movable plate 601, one side of the movable plate 601 is symmetrically fixedly installed with two mounting rods 609, the two mounting rods 609 respectively penetrate the two through holes 509 and are respectively located on the inner sides of the two outer holes 5013, one side of the movable plate 601 is fixedly installed with a limit plate 602, the sides of the two connecting blocks 5010 close to each other are respectively fitted with the two sides of the limit plate 602, and one side of the mounting plate 506 is symmetrically fixedly installed with the two side blocks 5012. Two fixing rods 603 are installed, and side plates 608 are movably installed on the outer sides of the two fixing rods 603. One end of the two fixing rods 603 is fixedly installed with a fixing block 604. A screw rod 605 is fixedly installed on one side of the mounting plate 506. The screw rod 605 is located between the two fixing rods 603. A bottom block 607 is fixedly connected between the two side plates 608. The top of the bottom block 607 is fixedly connected to the bottom of the movable plate 601. The bottom block 607 is sleeved on the screw rod 605. The outer side of the screw rod 605 is threadedly sleeved with a nut 606, and the nut 606 fits the bottom block 607.

[0035] First, move the movable plate 601 until it fits with the two side blocks 5012, and at the same time, the two sides of the limit plate 602 fit with the two connecting blocks 5010 respectively, and one end of the two mounting rods 609 respectively passes through the two through holes 509 and is respectively located on the inner sides of the two outer holes 5013, while driving the bottom block 607 to move on the screw rod 605, and then put the nut 606 on the outer side of the screw rod 605 and rotate it until the nut 606 fits with the bottom block 607, then fix the movable plate 601, and finally fix the two connecting blocks 5010 on the inner side of the through groove 507 to prevent the two inner plates 503 from moving, thereby improving the connection stability of the solenoid valve 4 and the suction yarn ring main pipe 2.

[0036] Embodiment 4, on the basis of embodiment 1, the connecting mechanism 7 comprises an air inlet 701 fixed on the solenoid valve 4, two positioning holes 706 are symmetrically arranged on one side of the air inlet 701, an outer ring 702 is installed on one side of the air inlet 701, the outer ring 702 is fixedly sleeved with the suction yarn ring branch pipe 3, one side of the outer ring 702 is symmetrically fixedly connected with two positioning rods 707, the two positioning rods 707 are respectively located on the inner sides of the two positioning holes 706, the other side of the outer ring 702 is symmetrically provided with two clamping holes 708, and one side of the outer ring 702 is symmetrically provided with a clamping ring 707. 03 and clamp ring 2 704, clamp ring 1 703 and clamp ring 2 704 are both fitted with the yarn suction ring branch pipe 3, one side of clamp ring 1 703 and clamp ring 2 704 are fixedly installed with a clamp rod 7016, the two clamp rods 7016 are respectively located on the inner sides of the two clamp holes 708, one side of clamp ring 1 703 close to clamp ring 2 704 is symmetrically fixed with two magnets 1 7014, one side of clamp ring 2 704 close to clamp ring 1 703 is symmetrically fixed with two magnets 2 7015, the two magnets 1 7014 are respectively attracted to the two magnets 2 7015, The magnetism of magnet 1 7014 and magnet 2 7015 is opposite. A fixing ring 705 is fixedly installed on the outer side of the air inlet 701. Grooves are arranged on both sides of the fixing ring 705. Connecting shafts 709 are fixedly installed on the inner sides of the two grooves. The outer sides of the two connecting shafts 709 are rotatably connected with sleeve plates 7017. Movable rods 7012 are movably installed on the inner sides of the two sleeve plates 7017. One end of the two movable rods 7012 extends to the inner sides of the two sleeve plates 7017 respectively. Connecting plates 7013 are fixedly installed on the other sides of the two movable rods 7012. , the clamp ring 1 703 and the clamp ring 2 704 are fixedly connected to the two connecting plates 7013 respectively, one side of the two sleeve plates 7017 is fixedly connected with the spring 2 7018, one end of the two spring 2 7018 is fixedly connected to the two connecting plates 7013 respectively, the two spring 2 7018 is movably sleeved with the two movable rods 7012 respectively, one side of the two sleeve plates 7017 is provided with a side groove 7010, the inner side of the two side grooves 7010 is installed with a guide block 7011, and the two guide blocks 7011 are fixedly connected with the two movable rods 7012 respectively;

[0037] First, place one end of the suction yarn ring branch pipe 3 on the inner side of the air inlet 701, and make the two positioning rods 707 respectively located on the inner sides of the two positioning holes 706 until the outer ring 702 fits with the air inlet 701, then rotate and move the clamp ring 1 703 and the clamp ring 2 704, and at the same time drive the two sleeve plates 7017 to rotate around the two connecting shafts 709 respectively, and at the same time drive the two movable rods 7012 to move along the two sleeve plates 7017 respectively, at this time the two springs 2 7018 are stretched until the clamp ring 1 703 and the clamp ring 2 704 are both in contact with the air inlet 701. The yarn suction ring branch pipe 3 fits well, and the two magnets 1 7014 attract each other with the two magnets 2 7015 respectively, and then the control of the clamp ring 1 703 and the clamp ring 2 704 is released. At this time, the two springs 2 7018 are reset to drive the movement of the clamp ring 1 703 and the clamp ring 2 704 until the clamp ring 1 703 and the clamp ring 2 704 are both fitted with the outer ring 702. At the same time, the two clamping rods 7016 are respectively located on the inner sides of the two clamping holes 708, and fix the outer ring 702 and the air inlet 701, and finally complete the connection between the yarn suction ring branch pipe 3 and the solenoid valve 4.

Claims

1. A single-spindle pull-out yarn suction ring structure for a rotor spinning machine, comprising a rotor spinning machine (1), Features: The rotor spinning machine (1) is provided with a yarn suction ring main pipe (2) at the top, solenoid valves (4) are provided at equal distances on both sides of the yarn suction ring main pipe (2), a mounting mechanism (5) is installed between the solenoid valve (4) and the rotor spinning machine (1), a locking mechanism (6) is installed on one side of the mounting mechanism (5), connecting sleeves (8) are fixedly installed at equal distances on both sides of the yarn suction ring main pipe (2), an air outlet (9) is installed on one side of the solenoid valve (4), and the air outlet (9) is sleeved on the inner side of the connecting sleeve (8), a connecting mechanism (7) is installed on the other side of the solenoid valve (4), and a yarn suction ring branch pipe (3) is installed on one side of the connecting mechanism (7); The mounting mechanism (5) comprises a bottom frame (501) fixed to the bottom of the solenoid valve (4), the bottom frame (501) being located on the rotor spinning machine (1), two inner rods (504) being symmetrically fixedly mounted on the inner side of the bottom frame (501), two inner plates (503) being symmetrically movably connected to the outer sides of the two inner rods (504), a handle (502) being fixedly mounted on one side of the two inner plates (503), a connecting block (5010) being fixedly mounted on the other side of the two inner plates (503), a side rod (5011) and a side block (5012) being fixedly mounted on the sides of the two connecting blocks (5010) away from each other, through holes (509) being provided on the two side blocks (5012), two springs (505) being fixedly connected to the sides of the two inner plates (503) away from each other, one end of the spring (505) being fixedly connected to the inner wall of the bottom frame (501), and the spring (505) being movably sleeved with the inner rod (504); A mounting plate (506) is installed on one side of the bottom frame (501), the mounting plate (506) is fixedly connected to the rotor spinning machine (1), a through slot (507) is provided on the mounting plate (506), two connecting blocks (5010) are both located on the inner side of the through slot (507), two inner holes (508) are symmetrically provided on the inner side of the through slot (507), two side rods (5011) are respectively located on the inner sides of the two inner holes (508), two side blocks (5012) are both fitted with the mounting plate (506), and two outer holes (5013) are provided on the mounting plate (506), and the two outer holes (5013) are respectively connected to the two through holes (509); The locking mechanism (6) comprises a movable plate (601) located on one side of the mounting plate (506), two side blocks (5012) are both fitted with the movable plate (601), two mounting rods (609) are symmetrically fixedly installed on one side of the movable plate (601), the two mounting rods (609) respectively penetrate the two through holes (509) and are respectively located on the inner sides of the two outer holes (5013), a limiting plate (602) is fixedly installed on one side of the movable plate (601), and the sides of the two connecting blocks (5010) close to each other are respectively fitted with two sides of the limiting plate (602); Two fixing rods (603) are symmetrically fixedly installed on one side of the mounting plate (506), and side plates (608) are movably installed on the outer sides of the two fixing rods (603). A fixing block (604) is fixedly installed on one end of the two fixing rods (603). A screw rod (605) is fixedly installed on one side of the mounting plate (506), and the screw rod (605) is located between the two fixing rods (603). A bottom block (607) is fixedly connected between the two side plates (608). The top of the bottom block (607) is fixedly connected to the bottom of the movable plate (601), and the bottom block (607) is sleeved on the screw rod (605). A nut (606) is threadedly sleeved on the outer side of the screw rod (605), and the nut (606) fits the bottom block (607). The connecting mechanism (7) comprises an air inlet (701) fixed on the solenoid valve (4), two positioning holes (706) are symmetrically arranged on one side of the air inlet (701), an outer ring (702) is installed on one side of the air inlet (701), the outer ring (702) is fixedly sleeved with the suction ring branch pipe (3), two positioning rods (707) are symmetrically fixedly connected to one side of the outer ring (702), the two positioning rods (707) are respectively located on the inner sides of the two positioning holes (706), and two clamping holes (708) are symmetrically arranged on the other side of the outer ring (702).

2. A single-spindle plug-in yarn suction ring structure for a rotor spinning machine according to claim 1, Features: A clamping ring 1 (703) and a clamping ring 2 (704) are symmetrically arranged on one side of the outer ring (702); the clamping ring 1 (703) and the clamping ring 2 (704) are both fitted with the yarn suction ring branch tube (3); a clamping rod (7016) is fixedly installed on one side of the clamping ring 1 (703) and the clamping ring 2 (704); the two clamping rods (7016) are respectively located on the inner sides of the two clamping holes (708); two magnets 1 (7014) are symmetrically fixedly installed on one side of the clamping ring 1 (703) close to the clamping ring 2 (704); two magnets 2 (7015) are symmetrically fixedly installed on one side of the clamping ring 2 (704) close to the clamping ring 1 (703); the two magnets 1 (7014) and the two magnets 2 (7015) are respectively attracted to each other.

3. A single-spindle plug-in yarn suction ring structure for a rotor spinning machine according to claim 1, Features: A fixing ring (705) is fixedly installed on the outer side of the air inlet (701), grooves are provided on both sides of the fixing ring (705), connecting shafts (709) are fixedly installed on the inner sides of the two grooves, sleeve plates (7017) are rotatably connected to the outer sides of the two connecting shafts (709), movable rods (7012) are movably installed on the inner sides of the two sleeve plates (7017), one end of the two movable rods (7012) respectively extends to the inner sides of the two sleeve plates (7017), and connecting plates (7013) are fixedly installed on the other sides of the two movable rods (7012), and clamp ring 1 (703) and clamp ring 2 (704) are fixedly connected to the two connecting plates (7013) respectively.

4. A single-spindle plug-in yarn suction ring structure for a rotor spinning machine according to claim 3, Features: One side of the two sleeve plates (7017) is fixedly connected to a second spring (7018), one end of the two second springs (7018) is respectively fixedly connected to the two connecting plates (7013), and the two second springs (7018) are respectively movably sleeved with the two movable rods (7012).

5. A single-spindle plug-in yarn suction ring structure for a rotor spinning machine according to claim 3, Features: One side of the two sleeve plates (7017) is provided with a side groove (7010), the inner sides of the two side grooves (7010) are installed with guide blocks (7011), and the two guide blocks (7011) are respectively fixedly connected to the two movable rods (7012).