An adjustable cable guide and limiting structure and its operation method

Abstract

This invention provides an adjustable cable guide and limiting structure, relating to the technical field of guide and limiting structures in cable production. It includes a cable guide cylinder, one end of which is provided with a guide and limiting wheel for guiding the cable entry. The cylinder wall has several clamping windows circumferentially open, and telescopic frames are correspondingly installed within each clamping window. A centrally positioned limiting wheel row for contacting the outer wall of the cable is installed on the inner end of the telescopic frame. A pressure-applying structure is installed on the outside of the cable guide cylinder to apply pressure to the outside of the telescopic frame and adjust the radial spacing of the centrally positioned limiting wheel row. The purpose of this technical solution is to overcome the technical defects of existing cable guide and limiting structures, such as low adjustment accuracy, poor adaptability, lack of visual adjustment, inconvenient disassembly and maintenance, and easy damage to the cable, thus failing to meet the needs of high-precision, multi-specification, and high-speed cable production and processing.

Description

Technical Field

[0001] This invention relates to the field of guide and limit structure technology in cable production, and in particular to an adjustable cable guide and limit structure and its operation method. Background Technology

[0002] In the production processes of copper wire bundling, insulated wire rewinding, and fine wire drawing and winding, the output ends of the wire bundling machine, high-speed wire drawing machine, and cable rewinding machine must be equipped with a special guide and limiting structure. This structure is used to center and guide the high-speed moving wire, constrain the wire's trajectory, and ensure that the wire is wound evenly and smoothly onto the surface of the take-up reel. This effectively avoids production defects such as wire overlap, deviation, uneven wear, and coil edge collapse during the production process. It is a core auxiliary machine structure that ensures the neatness of cable winding and the quality of the finished product.

[0003] Existing traditional cable guide and limiting structures mostly employ fixed blocks, fixed-gap guide wheels, or rigid clamping limiting structures, which have several inherent drawbacks in practical applications. First, the clamping gap in traditional structures is mostly adjustable to fixed levels, failing to achieve stepless fine adjustment and resulting in a narrow range of wire diameter compatibility. For extremely fine copper wires and soft-insulated cables, this can easily lead to problems such as excessive clamping damaging the conductor and abrading the wire sheath, or insufficient clamping failing to control wire vibration and causing correction failure, resulting in poor production adaptability. Second, traditional limiting structures lack visual feedback on the clamping status; the clamping force and spring compression rely entirely on operator experience for adjustment, lacking quantitative reference standards. This leads to inconsistent wire limiting status in mass production, resulting in a high product defect rate and poor production stability. Third, traditional integrated limiting structures are mostly bolt-fixed integrated structures, making disassembly, maintenance, and parts replacement processes cumbersome and causing long equipment downtime for maintenance, severely impacting the continuous operation efficiency of cable production lines. Finally, under high-speed wiring conditions, the wires experience continuous left-right swaying and radial movement. Traditional rigid limiting structures are prone to generating hard friction with the wires, causing quality defects such as scratches, oxidation, and uneven wire diameter on the wire surface, which significantly reduces the quality of finished cables and the production qualification rate.

[0004] In summary, existing cable guide and limit structures suffer from technical defects such as low adjustment accuracy, poor adaptability, lack of visual adjustment, inconvenient disassembly and maintenance, and easy damage to cables. They cannot meet the needs of high-precision, multi-specification, and high-speed cable production and processing. Therefore, it is urgent to design an adjustable cable guide and limit structure and its operation method to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to solve the technical defects of existing cable guide and limit structures, such as low adjustment accuracy, poor adaptability, lack of visual adjustment, inconvenient disassembly and maintenance, and easy damage to the cable, which cannot meet the needs of high-precision, multi-specification, and high-speed cable production and processing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable cable guide and limiting structure, comprising a cable guide cylinder, one end of which is provided with a guide limiting wheel for guiding the cable entry; the circumferential opening of the cylinder wall of the cable guide cylinder is provided with a plurality of clamping windows, and a telescopic frame is correspondingly assembled in the clamping windows; a central limiting wheel row for fitting against the outer wall of the cable is installed on the inner end of the telescopic frame; a pressure applying structure for applying pressure to the outer side of the telescopic frame and adjusting the radial spacing of the central limiting wheel row is assembled on the outside of the cable guide cylinder; and a propulsion control component for linearly controlling the pressure applying stroke of the pressure applying structure is also assembled on the outside of the cable guide cylinder. The propulsion control component linearly displaces along the axis of the cable guide tube to change the pressure variable of the pressure application structure, causing the telescopic frame to extend and retract, thereby adjusting the clamping force of the centering limit wheel row on the flexible clamping force of the cable outside the cable, and realizing the centering correction and limiting of the cable.

[0007] In at least some embodiments, the telescopic frame includes a first guide rod and a second guide rod fixedly connected to the outer side of the central limiting wheel row, the first guide rod being symmetrically arranged on both sides of the second guide rod; the rods of the first guide rod and the second guide rod are slidably sleeved with a movable plate; a limiting ring is fixedly fitted on the outer side of the first guide rod, the limiting ring being located above the movable plate; elastic springs are sleeved on the rods of the first guide rod and the second guide rod located between the movable plate and the central limiting wheel row, the two ends of the springs respectively abutting against the movable plate and the central limiting wheel row; a fixed frame is slidably sleeved on the top end of the first guide rod, the fixed frame being fixedly installed on the outer wall of the cable guide tube.

[0008] In at least some embodiments, a shielding sleeve is fitted on the outer side of the second guide rod, and a movable plate is fixedly connected to the bottom end of the shielding sleeve; an indicator groove for visually displaying the spring compression is opened on the rod wall of the second guide rod, and the length of the indicator groove exposed on the outer side of the shielding sleeve corresponds to the spring extension stroke; the limiting ring is used to limit the maximum upward displacement of the movable plate, and the fixing frame forms a vertical sliding limit on the first guide rod, so that the central limiting wheel row has a two-stage extension adjustment stroke to adapt to different wire diameters.

[0009] In at least some embodiments, the pressure-applying structure includes a transmission rod, one end of which is hinged to the outer wall of the cable guide cylinder, and the other end of which is fixedly connected to a pressure-applying frame; a pressure-applying slider is fixedly attached to the bottom of the pressure-applying frame; a pressure-applying groove plate is fixedly installed on the outer side of the movable plate, and the pressure-applying slider is slidably adapted to the groove of the pressure-applying groove plate; a hoop is slidably sleeved on the outer side of the cable guide cylinder, and the hoop is fixedly connected to the propulsion control component. The hoop is slidably sleeved on the outside of the transmission rod to limit the swing amplitude of the transmission rod.

[0010] In at least some embodiments, a T-shaped bracket is fixed to the outside of the fixed frame, and the horizontal end of the T-shaped bracket is inserted into the upper part of the pressure frame; after the connection structure between the fixed frame and the cable guide tube is loosened, the rotating transmission rod can lift the T-shaped bracket through the pressure frame, thereby removing the telescopic frame and the centering limit wheel row as a whole from the clamping window.

[0011] In at least some embodiments, the propulsion control assembly includes an external threaded sleeve and an internal threaded rotating cylinder. The external threaded sleeve is fixedly sleeved on the outside of the cable guide cylinder, and the internal threaded rotating cylinder is threadedly sleeved on the outside of the external threaded sleeve. The internal threaded rotating cylinder is fixedly connected to a hoop, and the hoop can be driven to linearly displace along the axis of the cable guide cylinder by rotating the internal threaded rotating cylinder.

[0012] In at least some embodiments, the external threaded sleeve and the fixing frame are detachably connected to the outer wall of the cable guide tube by bolts, so as to realize the overall disassembly and maintenance of the telescopic frame, the pressure structure and the propulsion control component.

[0013] In at least some embodiments, the inlet end of the cable guide tube is rotatably sleeved with a rotating ring, and the guide limiting wheel is fixedly mounted on the rotating ring.

[0014] In at least some embodiments, an L-shaped mounting bracket is provided between the rotating ring and the propulsion control component. The horizontal end of the mounting bracket is fixed to the inner wall of the cable guide tube, and the vertical end extends to the outside of the cable guide tube to form a limiting support.

[0015] An operating method for an adjustable cable guide and limiting structure includes the following steps: S. Threading guide: The cable to be processed is bypassed by the guide limit wheel, threaded into the inside of the cable guide tube, and passes through the clamping gap between multiple circumferentially distributed central limit wheel rows; S. Status Pre-observation: Observe the length of the marking groove on the No. 2 guide rod exposed outside the shielding cylinder, and obtain the current spring extension and clamping force reference information; S. Precise pressure adjustment and limit: Rotate the internal threaded drum to drive the hoop to move laterally along the axial direction of the cable guide cylinder, change the swing limit range of the transmission rod, and drive the movable plate to press down through the pressure slider and pressure groove plate to compress the spring; S. Precise shaping: Real-time observation of the exposed length of the marking groove until the exposed length of the marking groove reaches the preset standard range, completing the flexible centering limit adjustment of the cable.

[0016] Compared with the prior art, the advantages and positive effects of the present invention are as follows: 1. This invention employs a flexible clamping structure with multiple circumferential telescopic frames and elastic springs, enabling the centrally positioned limiting wheel row to form a holistic, flexible wrapping and limiting effect on the cable's outer wall, thus abandoning the traditional rigid clamping method. Simultaneously, by linearly adjusting the pressure stroke through the propulsion control component, the spring compression can be precisely controlled, achieving stepless fine-tuning of the clamping force. This effectively restrains the radial movement and lateral swaying of the cable during high-speed routing, ensuring cable concentricity, while avoiding the problems of fine wire damage and insulation wear caused by rigid clamping. It is suitable for the production and processing of extremely fine copper wires, soft cables, and various specifications of conventional cables, making the equipment highly versatile. 2. This invention, by setting an exposed marking groove on the second guide rod, utilizes the length of the marking groove exposed on the outside of the shielding cylinder to provide intuitive and real-time feedback on the spring extension and cable clamping force, forming a quantitative adjustment standard. This completely eliminates the limitations of traditional manual experience-based adjustment, allowing for precise calibration without professional operating experience. It effectively improves the consistency of wire limit parameters in mass production, significantly reduces production defects such as wire deviation, eccentricity, and irregular winding, and enhances the stability of product mass production quality. 3. This invention features a limiting ring to achieve primary stroke limiting, which, combined with the elastic extension and contraction of a spring, forms a secondary adaptive adjustment stroke, providing dual-wire diameter adaptive adaptation capability. It can automatically adapt the clamping gap according to the cable's outer diameter, and the reference clamping gap can be manually fine-tuned, effectively expanding the wire diameter adaptation range of the structure. This enables one machine to adapt to the production of multiple cable specifications, eliminating the need for frequent replacement of equipment parts and equipment modifications, significantly reducing equipment modification costs and production consumable costs. 4. This invention adopts a modular and detachable structure design. The external threaded sleeve and the fixing bracket are all bolted and detachable. With the T-shaped bracket quick-release structure, the core vulnerable components such as the telescopic frame and the centering limit wheel row can be quickly taken out for inspection and replacement without disassembling the whole machine. The disassembly and assembly process is simple and convenient, which greatly shortens the downtime of equipment maintenance, effectively improves the continuous operation efficiency of the cable production line, and reduces the equipment operation and maintenance costs. 5. This invention achieves synchronous and uniform pressure from multiple limiting mechanisms through a mechanical linkage structure that limits the swing angle of the transmission rod via a hoop ring. The circumferential multi-point clamping method can resist the swing deviation of the wire in all directions, resulting in excellent wire routing correction. It completely solves the problems of wire deviation, uneven twisting, and irregular winding in the wire bundling and wiring processes, effectively improving the roundness, appearance quality, and production yield of the cable. Attached Figure Description

[0017] Figure 1 This invention presents an overall three-dimensional schematic diagram of an adjustable cable guide and limiting structure and its operation method. Figure 2 for Figure 1 Exploded view; Figure 3This invention provides a schematic diagram of the pressure application structure and telescopic frame in an adjustable cable guide and limiting structure and its operation method. Figure 4 This invention provides a schematic diagram of the internal structure of the cable guide cylinder in an adjustable cable guide and limiting structure and its operation method. Figure 5 for Figure 4 An enlarged schematic diagram of part A in the middle; Figure 6 This invention presents a schematic diagram of the marking groove in an adjustable cable guide and limiting structure and its operation method.

[0018] Legend: 1. Cable guide tube; 11. Guide limit wheel; 12. Mounting bracket; 13. Rotary ring; 2. Centered limit wheel row; 3. Telescopic frame; 31. Guide rod No. 1; 32. Guide rod No. 2; 33. Movable plate; 34. Limit ring; 35. Fixed frame; 36. Marking groove; 37. Covering cylinder; 38. T-shaped hanger; 4. Pressure applying structure; 41. Transmission rod; 42. Pressure applying slider; 43. Pressure applying groove plate; 44. Hoop ring; 45. Pressure applying frame; 5. Propulsion control assembly; 51. External threaded sleeve; 52. Internal threaded rotating cylinder. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example

[0022] according to Figures 1-6 ,like Figure 1 As shown, this invention discloses an adjustable wire guiding and limiting structure, mainly suitable for the wire feeding and arranging station of wire bundling machines, high-speed wire drawing machines, and wire rewinding machines. Its core function is to accurately center and guide, flexibly correct deviations, and stabilize and limit the high-speed moving copper wires and insulated wires. It is suitable for the production of multiple wire specifications and solves the technical problems of traditional limiting structures such as wire wear, poor adjustment accuracy, and inconvenient maintenance. The main supporting structure of this invention is the wire feeding guide cylinder 1, which integrates all limiting, pressure, and adjustment components as the base. The overall structure is compact, highly interconnected, and has high adjustment accuracy.

[0023] A rotating ring 13 is rotatably sleeved at the inlet end of the cable guide cylinder 1. A guide limiting wheel 11 is fixedly installed on the rotating ring 13 and can rotate adaptively with the cable routing to achieve pre-guidance of the cable entry and avoid hard bending and friction damage during cable entry. An L-shaped mounting bracket 12 is provided between the rotating ring 13 and the propulsion control component 5. The horizontal end of the mounting bracket 12 is fixed to the inner wall of the cable guide cylinder 1, and the vertical end extends to the outside to form a stable limiting support, improving the installation stability of the end guide structure.

[0024] The cable guide cylinder 1 has multiple clamping windows evenly spaced around its circumference. Each clamping window is fitted with a telescopic frame 3. A centering limiting wheel row 2 is fixedly installed inside the telescopic frame 3. The multiple sets of centering limiting wheel rows 2 form a circular cable passageway, which can wrap and limit the cable from multiple directions, achieving all-round centering and correction. The telescopic frame 3, as the core adaptive telescopic component, includes two symmetrically arranged first guide rods 31 and a centrally arranged second guide rod 32. The double guide rod structure ensures the stability of vertical sliding without offset or jamming. The first guide rod 31 and the second guide rod 32 are slidably sleeved on a movable plate 33. A limiting ring 34 is fixedly fitted on the outside of the first guide rod 31. The limiting ring 34 is located above the movable plate 33 and is used to limit the maximum upward displacement of the movable plate 33, achieving first-level limit adjustment. An elastic spring is fitted onto the guide rod between the movable plate 33 and the centering limit wheel row 2. The two ends of the spring abut against the movable plate 33 and the centering limit wheel row 2, respectively. Under normal conditions, the spring supports the centering limit wheel row 2, keeping it open to facilitate wire threading. When the wire diameter is too large, the spring can compress and self-adjust, achieving a two-stage flexible fit. The top of the first guide rod 31 is slidably fitted with a fixing bracket 35, which is bolted to the outer wall of the cable guide cylinder 1, achieving stable installation and vertical sliding limit of the telescopic frame 3.

[0025] A cover sleeve 37 is fixedly sleeved on the outer side of the second guide rod 32. The bottom end of the cover sleeve 37 is fixedly connected to the movable plate 33. A long strip-shaped marking groove 36 is reserved in the wall of the second guide rod 32, and the marking groove 36 is partially exposed on the outer side of the cover sleeve 37. During production adjustment, the exposed length of the marking groove 36 corresponds to the spring compression. The operator can visually observe the exposed length to accurately judge the current clamping force, realize visual and quantitative adjustment, completely eliminate blind adjustment error, and ensure the uniformity of parameters in batch production.

[0026] The pressure-applying structure 4, externally mounted on the cable guide cylinder 1, provides a stable downward pressure for the telescopic frame 3, enabling active adjustment of the clamping force. The pressure-applying structure 4 includes a transmission rod 41 hinged to the outer wall of the cable guide cylinder 1. A pressure-applying frame 45 is fixedly connected to the end of the transmission rod 41. A pressure-applying slider 42 is fixedly mounted at the bottom of the pressure-applying frame 45. A pressure-applying groove plate 43 is fixedly mounted on the outer side of the movable plate 33. The pressure-applying slider 42 slides within the pressure-applying groove plate 43, adapting to displacement deviations during the swing of the transmission rod 41 and ensuring stable power transmission. A clamping ring 44 is slidably sleeved on the outer side of the cable guide cylinder 1. The clamping ring 44, sleeved outside the transmission rod 41, limits the maximum swing amplitude of the transmission rod 41. By changing the axial position of the clamping ring 44, the downward stroke of the transmission rod 41 can be precisely controlled, achieving linear adjustment of the pressure.

[0027] A T-shaped bracket 38 is fixedly welded to the outside of the fixed frame 35. The horizontal end of the T-shaped bracket 38 is inserted into the upper part of the pressure frame 45, forming a detachable linkage structure. When the equipment is under maintenance or parts are replaced, it is only necessary to remove the fixing bolts between the fixed frame 35 and the cable guide tube 1, and rotate the transmission rod 41 to lift the T-shaped bracket 38 through the pressure frame 45, which will drive the telescopic frame 3 and the central limit wheel row 2 to detach from the clamping window as a whole. No other parts need to be disassembled, making disassembly and assembly convenient and efficient, and greatly reducing the difficulty of equipment operation and maintenance.

[0028] The propulsion control component 5 is the core drive structure for precise equipment adjustment. It includes an externally threaded sleeve 51 fixedly sleeved outside the cable guide cylinder 1, and an internally threaded rotating cylinder 52 threadedly sleeved outside the externally threaded sleeve 51. The internally threaded rotating cylinder 52 is fixedly connected to the clamping ring 44. When the internally threaded rotating cylinder 52 is manually rotated, relying on the thread transmission principle, the clamping ring 44 can be driven to make precise stepless linear displacement along the axis of the cable guide cylinder 1, changing the swing limit range of the transmission rod 41, precisely controlling the pressing depth of the movable plate 33, and thus adjusting the spring compression and the clamping force of the central limit wheel row 2. After adjustment, the threaded structure has self-locking properties, with no displacement deviation during high-speed production and extremely strong parameter stability.

[0029] The actual working process of this invention is as follows: Before the equipment is started, the wire to be processed is pre-guided and threaded around the guide limit wheel 11, so that the wire passes through the clamping gap between the multiple sets of circumferentially distributed center limit wheel rows 2; in the initial state, the exposed length of the marking groove 36 on the second guide rod 32 is observed to obtain the initial spring extension and clamping reference; according to the wire specifications, the internal threaded cylinder 52 is rotated, which drives the hoop 44 to move axially, limiting the swing amplitude of the transmission rod 41, and the movable plate 33 is pushed down by the pressure slider 42 and the pressure groove plate 43 to compress the spring and adjust the clamping force of the center limit wheel row 2; the exposed length of the marking groove 36 is observed in real time until it reaches the preset standard range, and the parameter calibration is completed. When the equipment is running at high speed, the multiple sets of center limit wheel rows 2 flexibly fit against the outer wall of the wire, constraining the swing and movement of the wire in all directions, relying on the elastic buffer characteristics of the spring to avoid wire wear, ensuring that the wire is centered and neatly arranged, effectively improving the wire production quality and production efficiency.

[0030] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments that can be applied to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. An adjustable cable guide and limiting structure, comprising a cable guide tube (1), characterized in that: One end of the cable guide cylinder (1) is provided with a guide limiting wheel (11) for guiding the cable inlet; the circumferential opening of the cylinder wall of the cable guide cylinder (1) is provided with several clamping windows, and a telescopic frame (3) is correspondingly installed in the clamping window; the inner end of the telescopic frame (3) is provided with a centering limiting wheel row (2) for fitting against the outer wall of the cable; the outside of the cable guide cylinder (1) is provided with a pressure applying structure (4) for applying pressure to the outside of the telescopic frame (3) and adjusting the radial spacing of the centering limiting wheel row (2); the outside of the cable guide cylinder (1) is also provided with a propulsion control component (5) for linearly controlling the pressure application stroke of the pressure applying structure (4). The propulsion control component (5) moves linearly along the axis of the cable guide tube (1) to change the pressure variable of the pressure structure (4), so that the telescopic frame (3) generates telescopic displacement, thereby adjusting the clamping force of the centering limit wheel row (2) on the flexible clamping force of the cable outside, and realizing the centering correction limit of the cable.

2. The adjustable cable guide and limiting structure according to claim 1, characterized in that: The telescopic frame (3) includes a first guide rod (31) and a second guide rod (32) fixedly connected to the outside of the central limiting wheel row (2). The first guide rod (31) is symmetrically arranged on both sides of the second guide rod (32). The rods of the first guide rod (31) and the second guide rod (32) are slidably sleeved with a movable plate (33). A limiting ring (34) is fixedly sleeved on the outside of the first guide rod (31). The limiting ring (34) is located above the movable plate (33). An elastic spring is sleeved on the rods of the first guide rod (31) and the second guide rod (32) located between the movable plate (33) and the central limiting wheel row (2). The two ends of the spring abut against the movable plate (33) and the central limiting wheel row (2) respectively. A fixed frame (35) is slidably sleeved on the top of the first guide rod (31). The fixed frame (35) is fixedly installed on the outer wall of the cable guide tube (1).

3. The adjustable cable guide and limiting structure according to claim 2, characterized in that: The second guide rod (32) is fitted with a shielding sleeve (37) on its outer side, and the bottom end of the shielding sleeve (37) is fixedly connected to the movable plate (33); the second guide rod (32) has an indicator groove (36) for visually displaying the spring compression amount, and the length of the indicator groove (36) exposed outside the shielding sleeve (37) corresponds to the spring extension stroke; the limiting ring (34) is used to limit the maximum upward displacement of the movable plate (33), and the fixing frame (35) forms a vertical sliding limit on the first guide rod (31), so that the central limiting wheel row (2) has a two-stage extension adjustment stroke to adapt to different wire diameters.

4. The adjustable cable guide and limiting structure according to claim 2, characterized in that: The pressure-applying structure (4) includes a transmission rod (41), one end of which is hinged to the outer wall of the cable guide cylinder (1), and the other end of which is fixedly connected to a pressure frame (45); a pressure slider (42) is fixedly fixed at the bottom of the pressure frame (45); a pressure groove plate (43) is fixedly installed on the outer side of the movable plate (33), and the pressure slider (42) slides and adapts to the groove of the pressure groove plate (43); a hoop (44) is slidably sleeved on the outer side of the cable guide cylinder (1), and the hoop (44) is fixedly connected to the propulsion control component (5). The hoop (44) is slidably sleeved on the outside of the transmission rod (41) to limit the swing amplitude of the transmission rod (41).

5. The adjustable cable guide and limiting structure according to claim 4, characterized in that: A T-shaped bracket (38) is fixed on the outside of the fixed frame (35). The horizontal end of the T-shaped bracket (38) is inserted above the inside of the pressure frame (45). After loosening the connection structure between the fixed frame (35) and the cable guide tube (1), the transmission rod (41) can be rotated to lift the T-shaped bracket (38) through the pressure frame (45), thereby taking the telescopic frame (3) and the centering limit wheel row (2) out of the clamping window as a whole.

6. The adjustable cable guide and limiting structure according to claim 4, characterized in that: The propulsion control component (5) includes an external threaded sleeve (51) and an internal threaded rotating cylinder (52). The external threaded sleeve (51) is fixedly sleeved on the outside of the cable guide cylinder (1). The internal threaded rotating cylinder (52) is threadedly sleeved on the outside of the external threaded sleeve (51). The internal threaded rotating cylinder (52) is fixedly connected to the hoop (44). By rotating the internal threaded rotating cylinder (52), the hoop (44) can be driven to move linearly along the axis of the cable guide cylinder (1).

7. The adjustable cable guide and limiting structure according to claim 6, characterized in that: The external threaded sleeve (51) and the fixed frame (35) are detachably connected to the outer wall of the cable guide tube (1) by bolts, so as to realize the overall disassembly and maintenance of the telescopic frame (3), the pressure structure (4), and the propulsion control component (5).

8. The adjustable cable guide and limiting structure according to claim 1, characterized in that: The cable guide tube (1) has a rotating ring (13) rotatably connected to the inlet end, and the guide limit wheel (11) is fixedly installed on the rotating ring (13).

9. The adjustable cable guide and limiting structure according to claim 8, characterized in that: An L-shaped mounting bracket (12) is provided between the rotating ring (13) and the propulsion control component (5). The horizontal end of the mounting bracket (12) is fixed to the inner wall of the cable guide tube (1), and the vertical end extends to the outside of the cable guide tube (1) to form a limiting support.

10. An operating method for an adjustable cable guide and limiting structure, characterized in that, The adjustable cable guide and limiting structure according to any one of claims 1-9 includes the following steps: S1. Threading guide: The cable to be processed is passed around the guide limit wheel (11), threaded into the inside of the cable guide tube (1), and passed through the clamping gap between the multiple centrally located limit wheel rows (2) distributed in the circumferential direction; S2, State Pre-observation: Observe the length of the marking groove (36) on the second guide rod (32) exposed outside the shielding cylinder (37) to obtain the current spring extension and clamping force reference information; S3, Precise pressure adjustment limit: Rotate the internal threaded drum (52) to drive the hoop (44) to move laterally along the axial direction of the cable guide (1), change the swing limit range of the transmission rod (41), and drive the movable plate (33) to press down through the pressure slider (42) and pressure groove plate (43) to compress the spring; S4. Precise shaping: Real-time observation of the exposed length of the marking groove (36) until the exposed length of the marking groove (36) reaches the preset standard range, and complete the flexible centering limit adjustment of the cable.

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