Novel yarn support mechanism for rotor spinning machine

Abstract

The utility model relates to a rotor spinning machine technical field, concretely to a new type rotor spinning machine yarn supporting mechanism, include: mounting panel, air cylinder, yarn supporting plate and yarn roll. The mounting panel is fixed with the top of air cylinder, and the bottom of air cylinder is connected with yarn supporting plate, and the downside of yarn supporting plate rotatory installation yarn roll, and its both ends have the mounting sleeve. The both sides of yarn supporting plate are equipped with the limit sleeve frame, and one end is fixed, and the other end has the support sleeve, and the telescopic limiting column is slidably installed in the support sleeve, and one end of limiting column is inserted with mounting sleeve, and the other end is connected with adjusting assembly. Through limiting column and adjusting assembly cooperation, when replacing yarn roll, do not need to disassemble yarn supporting plate or bearing seat, only need to adjust assembly to remove limiting column constraint, directly take down yarn roll, after installing new yarn roll, reverse adjusting assembly makes limiting column reset lock, simplifies replacement process, improves the efficiency of mounting and unmounting, reduces downtime.

Description

Technical Field

[0001] This utility model relates to the field of rotor spinning machine technology, specifically a novel rotor spinning machine yarn support mechanism. Background Technology

[0002] As a core piece of equipment in the modern textile industry, the rotor spinning machine relies on the continuous winding of yarn to form a yarn spool. Due to tension fluctuations and fiber impurities during high-speed yarn movement, yarn breakage is difficult to completely avoid during production. To prevent frictional damage between the yarn spool and the continuously rotating winding roller after a breakage, and to facilitate quick splicing operations by operators, the yarn spool must be lifted off the winding roller at the moment of breakage. Therefore, rotor spinning machines are generally equipped with a yarn support mechanism, which achieves yarn spool protection and coordinated operation through a lifting action.

[0003] In existing technologies, existing yarn-supporting mechanisms typically use a yarn-supporting plate or rod as the supporting component for the yarn roll. This component is rigidly connected to a cylinder piston rod. The reciprocating motion of the piston rod driven by the cylinder enables the vertical lifting and lowering of the yarn-supporting plate, thereby completing the action of the yarn roll disengaging from or contacting the winding roller. The yarn roll is rotatably mounted on the yarn-supporting plate, with its end journals embedded in pre-set limit bearing seats on the yarn-supporting plate, ensuring that the yarn roll can still rotate freely in the lifted state, avoiding yarn damage due to static friction.

[0004] However, the existing structure suffers from operational redundancy in the yarn roll replacement process. When the yarn roll needs to be removed and replaced after winding, the operator must first disassemble the yarn support plate fixed to the cylinder piston rod, and then remove the yarn roll from the limiting bearing seat of the yarn support plate. Because the journals at both ends of the yarn roll are tightly constrained by the bearing seat, the axial limiting structure of the bearing seat needs to be additionally released during the disassembly process. When installing a new yarn roll, the bearing seat needs to be recalibrated and fixed. Such repetitive disassembly and assembly operations significantly prolong the yarn roll replacement time, restrict the continuous operation efficiency of the equipment, and adversely affect the overall production rhythm. Utility Model Content

[0005] The purpose of this utility model is to provide a novel yarn-supporting mechanism for rotor spinning machines to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a novel rotor spinning machine yarn support mechanism, comprising: a mounting plate, the mounting plate being fixedly connected to the top of a cylinder, the bottom of the cylinder being fixedly connected to the upper surface of the yarn support plate, a yarn roll roller being rotatably mounted on the lower side of the yarn support plate, and mounting sleeves being fixedly fitted at both ends of the yarn roll roller;

[0007] Limiting mechanisms are provided on both sides of the yarn support plate. The limiting mechanism includes a limiting sleeve. One end of the limiting sleeve is fixedly connected to the side wall of the yarn support plate, and a support sleeve is fixedly fitted on the other end of the limiting sleeve. A retractable limiting post is slidably installed inside the support sleeve. One end of the limiting post is slidably inserted into the mounting sleeve, and the other end of the limiting post is connected to an adjusting component for adjusting the extension and retraction of the limiting post.

[0008] Preferably, the mounting plate has mounting holes at its four corners, and two cylinders are provided and arranged symmetrically about the center plane of the mounting plate.

[0009] Preferably, four guide rods are provided between the two cylinders. One end of the guide rod is fixedly connected to the lower surface of the mounting plate, and the other end of the guide rod is slidably sleeved in the guide hole opened on the surface of the yarn support plate.

[0010] Preferably, the adjusting component includes a stepped sleeve, with a Z-shaped hole on the outer ring surface of the stepped sleeve near the yarn roll roller, and a connecting sleeve fixedly fitted on the outer ring surface of the stepped sleeve away from the yarn roll roller.

[0011] Preferably, the stepped sleeve is rotatably fitted inside the support sleeve. The inner ring surface of the support sleeve has a spiral groove. A movable column is slidably fitted inside the stepped sleeve. One end of the movable column is fixedly connected to the limiting column. Both sides of the outer ring surface of the movable column are fixedly connected to one end of the sliding pin. The other end of the sliding pin is slidably connected to the Z-shaped hole and the spiral groove.

[0012] Preferably, a retaining ring is fixedly connected to the end face of the movable column near the yarn roll roller. The retaining ring is slidably inserted into the annular groove opened on the end face of the mounting sleeve. Several balls are movably engaged on the outer ring surface of the retaining ring, and the balls are slidably connected to the inner wall of the annular groove.

[0013] Preferably, the connecting sleeve has a stepped column in the sliding sleeve. One end of the stepped column is slidably inserted into the positioning groove opened at the end of the limiting sleeve away from the yarn support plate. The middle part of the stepped column is fixedly connected to the connecting sleeve by a spring, and the other end of the stepped column is fixedly connected to the U-shaped rod.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] Through the coordinated design of the retractable limiting post and the adjustment component, the yarn roll can be removed directly without disassembling the yarn support plate or bearing seat when changing the yarn roll. Simply operate the adjustment component to release the constraint of the limiting post on the yarn roll roller. After installing a new yarn roll, the limiting post can be automatically reset and locked by operating the adjustment component in reverse. This avoids the tedious steps of repeatedly disassembling and assembling the bearing seat in the traditional structure, simplifies the replacement process, improves the efficiency of yarn roll loading and unloading, and reduces equipment downtime. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2This is a side view of the internal structure of this utility model;

[0018] Figure 3 This is a top view of the internal structure of this utility model;

[0019] Figure 4 This is a bottom view of the internal structure of this utility model;

[0020] Figure 5 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0021] Figure 6 This utility model Figure 2 Enlarged schematic diagram of the structure at point B;

[0022] In the diagram: 1. Mounting plate; 2. Cylinder; 3. Yarn support plate; 4. Yarn roll roller; 5. Mounting sleeve; 6. Limiting sleeve; 7. Support sleeve; 8. Limiting post; 9. Mounting hole; 10. Guide rod; 11. Guide hole; 12. Stepped sleeve; 13. Z-shaped hole; 14. Spiral groove; 15. Moving post; 16. Sliding pin; 17. Insert ring; 18. Ring groove; 19. Ball bearing; 20. Connecting sleeve; 21. Stepped post; 22. Positioning groove; 23. Spring; 24. U-shaped rod. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Example 1: Please refer to Figures 1-6This utility model provides a technical solution: a novel yarn-supporting mechanism for a rotor spinning machine, comprising: a mounting plate 1, which facilitates installation with an external frame to provide fixed support for the entire yarn-supporting mechanism; the mounting plate 1 is fixedly connected to the top of a cylinder 2, the top of which is a non-output end; the bottom of the cylinder 2 is fixedly connected to the upper surface of a yarn-supporting plate 3, the bottom of which is an output end; the cylinder 2 is electrically connected to an external control device; the cylinder 2 is integrally formed, eliminating the valve plate, reducing the risk of air leakage, and ensuring the durability of the cylinder 2; a yarn roll 4 is rotatably mounted on the lower side of the yarn-supporting plate 3; the yarn roll 4 has two... An installation sleeve 5 is fixedly fitted at the end. The installation sleeve 5 has a hollow structure. Limiting mechanisms are provided on both sides of the yarn support plate 3. The limiting mechanisms limit the yarn roll 4. The limiting mechanisms include a limiting sleeve 6. One end of the limiting sleeve 6 is fixedly connected to the side wall of the yarn support plate 3. A support sleeve 7 is fixedly fitted at the other end of the limiting sleeve 6. A retractable limiting post 8 is slidably installed inside the support sleeve 7. The support sleeve 7 limits the limiting post 8. One end of the limiting post 8 is slidably inserted into the installation sleeve 5. The diameter of the limiting post 8 is adapted to the inner diameter of the installation sleeve 5. The other end of the limiting post 8 is connected to an adjusting component for adjusting the extension and retraction of the limiting post 8.

[0025] In the initial state, the output end of cylinder 2 extends, driving the yarn support plate 3 to descend, causing the yarn winding roller 4 to contact the winding roller. The limiting post 8 slides out of the support sleeve 7 and inserts into the mounting sleeve 5, thereby limiting and supporting the mounting sleeve 5. This allows the mounting sleeve 5 to rotate under the limitation of the limiting post 8, which in turn facilitates the rotation of the yarn winding roller 4. An infrared beam is set on the yarn path. When the yarn is present, the light is blocked. When the yarn breaks, the beam resumes its continuity, triggering a signal. This signal is transmitted to an external controller, which controls the output end of cylinder 2 to retract, causing the yarn winding roller 4 to rotate. The cylinder 2 drives the yarn roll 4 to rise, causing it to disengage from the winding roller. When the yarn roll 4 needs to be disassembled and replaced after a period of use, the cylinder 2 retracts. By adjusting the adjustment component, the limiting post 8 slides into the support sleeve 7 and retracts. The limiting post 8 slides out of the mounting sleeve 5, releasing its limitation, so that the yarn roll 4 can be removed. After installation, the limiting post 8 slides into the mounting sleeve 5 by adjusting the adjustment component again, thereby quickly limiting and supporting the yarn roll 4, improving convenience and replacement efficiency.

[0026] Example 2: Based on Example 1, mounting holes 9 are provided at the four corners of the mounting plate 1. The mounting holes 9 facilitate the fixing of the mounting plate 1 to the frame. Two cylinders 2 are provided and are symmetrically arranged about the center plane of the mounting plate 1. The two cylinders 2 are of the same model and their pneumatic circuits are synchronized. Both cylinders 2 are electrically connected to an external control device, so that the two cylinders 2 can be synchronously controlled by the external control device, thereby realizing the synchronous extension and retraction of the two cylinders 2, and thus realizing the rapid lifting and lowering of the yarn support plate 2. Four guide rods 10 are provided between the cylinders 2. One end of the guide rod 10 is fixedly connected to the lower surface of the mounting plate 1, and the other end of the guide rod 10 is slidably sleeved in the guide hole 11 opened on the surface of the yarn support plate 3. The guide rods 10 guide the yarn support plate 3, ensuring the stability of the movement of the yarn support plate 3, thereby indirectly improving the stability of the movement of the yarn roll 4.

[0027] Example 3: Based on Example 2, the adjusting component includes a stepped sleeve 12. A Z-shaped hole 13 is formed on the outer surface of the stepped sleeve 12 near the yarn roll 4. A connecting sleeve 20 is fixedly fitted on the outer surface of the stepped sleeve 12 away from the yarn roll 4, allowing the stepped sleeve 12 to move synchronously via the connecting sleeve 20. The stepped sleeve 12 is rotatably fitted inside the support sleeve 7, which provides limiting support for the stepped sleeve 12. A spiral groove 14 is formed on the inner surface of the support sleeve 7. A movable column 15 is slidably fitted inside the stepped sleeve 12. One end of the movable column 15 is fixedly connected to a limiting column 8. Both sides of the outer surface of the movable column 15 are fixedly connected to one end of a sliding pin 16. The other end of the sliding pin 16 is slidably connected to both the Z-shaped hole 13 and the spiral groove 14. The spiral groove 14 limits the sliding pin 16. The moving column 15 is fixedly connected to the end face of the yarn roll 4 with a plug ring 17. The plug ring 17 is slidably inserted into the annular groove 18 opened on the end face of the mounting sleeve 5. The annular groove 18 limits the plug ring 17. Several balls 19 are movably engaged on the outer ring surface of the plug ring 17. Two-thirds of the balls 19 are installed inside the plug ring 17, and one-third are exposed outside the plug ring 17. The balls 19 are slidably connected to the inner wall of the annular groove 18. A stepped column 21 is slidably sleeved inside the connecting sleeve 20. One end of the stepped column 21 is slidably inserted into the positioning groove 22 opened on the end of the limiting sleeve 6 away from the yarn support plate 3. The middle part of the stepped column 21 is fixedly connected to the connecting sleeve 20 through the spring 23. The other end of the stepped column 21 is fixedly connected to the U-shaped rod 24.

[0028] In the initial state, the yarn roll 4 is limited by the sliding connection between the limiting post 8 and the mounting sleeve 5. The moving post 15 abuts against one side of the mounting sleeve 5, and the insert ring 17 is inserted into the annular groove 18, thereby allowing the ball 19 to slide between the ball and the annular groove 18, thus improving the rotational flexibility of the yarn roll 4. When the yarn roll 3 needs to be disassembled and replaced, the U-shaped rod 24 is pulled away from the yarn roll 4, causing the stepped post 21 to slide out of the positioning groove 22 while stretching the spring 23. The positioning groove 22 limits the connecting sleeve 20 through the insertion of the stepped post 21, thereby preventing the connecting sleeve 20 from rotating arbitrarily. When the stepped post 21 slides out of the positioning groove 22, the connecting sleeve 20 is limited. At time 2, by twisting the U-shaped rod 24, the connecting sleeve 20 is rotated, which in turn drives the stepped sleeve 12 to rotate. The stepped sleeve 12 drives the sliding pin 16 to slide inside through the Z-shaped hole 13. At the same time, the sliding pin 16 slides away from the mounting sleeve 5 under the limitation of the spiral groove 14. Then, the moving column 15 drives the limiting column 8 to move synchronously, so that the limiting column 8 slides out away from the mounting sleeve 5 until the limiting column 8 slides out of the mounting sleeve 5 completely. At this time, the insertion ring 17 is no longer inserted into the mounting sleeve 5, thus completely releasing the limitation on the mounting sleeve 5. In this way, the yarn roll 4 can be removed for quick replacement.

[0029] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel yarn-supporting mechanism for a rotor spinning machine, comprising a mounting plate (1), characterized in that: The mounting plate (1) is fixedly connected to the top of the cylinder (2), the bottom of the cylinder (2) is fixedly connected to the upper surface of the yarn support plate (3), and a yarn roll roller (4) is rotatably mounted on the lower side of the yarn support plate (3). Mounting sleeves (5) are fixedly sleeved at both ends of the yarn roll roller (4). Limiting mechanisms are provided on both sides of the yarn support plate (3). The limiting mechanism includes a limiting sleeve (6). One end of the limiting sleeve (6) is fixedly connected to the side wall of the yarn support plate (3). The other end of the limiting sleeve (6) is fixedly fitted with a support sleeve (7). A retractable limiting post (8) is slidably installed inside the support sleeve (7). One end of the limiting post (8) is slidably inserted into the mounting sleeve (5). The other end of the limiting post (8) is connected to an adjustment component for adjusting the extension and retraction of the limiting post (8).

2. The novel rotor spinning machine yarn-supporting mechanism according to claim 1, characterized in that: The mounting plate (1) has mounting holes (9) at its four corners, and two cylinders (2) are provided and are arranged symmetrically about the center plane of the mounting plate (1).

3. The novel rotor spinning machine yarn-supporting mechanism according to claim 2, characterized in that: Four guide rods (10) are provided between the two cylinders (2). One end of the guide rod (10) is fixedly connected to the lower surface of the mounting plate (1), and the other end of the guide rod (10) is slidably sleeved in the guide hole (11) opened on the surface of the yarn support plate (3).

4. The novel rotor spinning machine yarn-supporting mechanism according to claim 1, characterized in that: The adjustment assembly includes a stepped sleeve (12), with a Z-shaped hole (13) on the outer ring surface of the stepped sleeve (12) near the yarn roll roller (4), and a connecting sleeve (20) fixedly fitted on the outer ring surface of the stepped sleeve (12) away from the yarn roll roller (4).

5. The novel rotor spinning machine yarn-supporting mechanism according to claim 4, characterized in that: The stepped sleeve (12) is rotatably fitted inside the support sleeve (7). The inner ring surface of the support sleeve (7) is provided with a spiral groove (14). A movable column (15) is slidably fitted inside the stepped sleeve (12). One end of the movable column (15) is fixedly connected to the limiting column (8). Both sides of the outer ring surface of the movable column (15) are fixedly connected to one end of the sliding pin (16). The other end of the sliding pin (16) is slidably connected to the Z-shaped hole (13) and the spiral groove (14).

6. The novel rotor spinning machine yarn-supporting mechanism according to claim 5, characterized in that: The movable column (15) is fixedly connected to a ring (17) on the end face near the yarn roll (4). The ring (17) is slidably inserted into the annular groove (18) opened on the end face of the mounting sleeve (5). Several balls (19) are movably engaged on the outer ring surface of the ring (17). Several balls (19) are slidably connected to the inner wall of the annular groove (18).

7. The novel rotor spinning machine yarn-supporting mechanism according to claim 4, characterized in that: The connecting sleeve (20) is provided with a stepped column (21) slidingly. One end of the stepped column (21) is slidably inserted into the positioning groove (22) opened at the end of the limiting sleeve (6) away from the yarn support plate (3). The middle part of the stepped column (21) is fixedly connected to the connecting sleeve (20) by a spring (23). The other end of the stepped column (21) is fixedly connected to the U-shaped rod (24).

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