A winding device

Abstract

The utility model relates to a kind of winding device, including coaxial first transmission shaft, second transmission shaft and third transmission shaft, one end of first transmission shaft drives insulating layer winding disc feed, center is equipped with core wire perforation;Second transmission shaft drives tension adjusting mechanism, and its tension adjusting support frame is equipped with a pair of first wire roller;Third transmission shaft innovatively drives swing lever mechanism, and the mechanism includes the second installation disc with limiting block and swing lever roller, limiting block is embedded in the arc-shaped gap of first installation disc, when the tension of insulating layer increases, third transmission shaft variable-speed drive limiting block rotates, drives swing lever roller deflection, automatically reduces its distance with first wire roller to relax band, double swing lever roller design facilitates quickly switching work position, the present application is tension dynamically regulated by mechanical linkage, effectively prevent insulating layer band slackening wrinkle or over-tight fracture, significantly improve coating quality and efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of wrapping machine equipment, and more specifically, to a winding device. Background Technology

[0002] In the cable manufacturing industry, the core insulation wrapping process requires constant strip tension to avoid loosening and wrinkling or breakage due to excessive tightness caused by tension fluctuations. Traditional wrapping equipment mainly employs two technical approaches:

[0003] 1. Hysteresis brake solution (first-generation technology)

[0004] As described in the background section of patent publication CN219553321U, a servo motor is used to control the unwinding reel, and a hysteresis brake is used to adjust the tension of the swing arm. This solution has a significant drawback:

[0005] Problem of tape falling off when the machine stops: The hysteresis brake cannot output torque when the machine stops, causing the wrapping tape to loosen and fall off;

[0006] Energy consumption and heat generation: The brake generates high heat loss when it is working continuously;

[0007] System complexity: It requires the additional installation of a swing arm position sensor and a slip ring signal transmission device, resulting in a high failure rate.

[0008] 2. Multi-servo motor independent drive solution (second-generation technology)

[0009] The improved solution proposed in patent publication number CN219553321U employs a three-layer independent rotating body (tape-laying reel, swing arm mechanism, and wrapping reel), each driven independently by three servo motors. While this solves the stopping torque problem of the hysteresis brake, it still has the following limitations:

[0010] High cost and control complexity: Three servo systems (tape feeding, swing arm, and wrapping motor) and collaborative control algorithms are required;

[0011] Signal dependency risk: The position of the swing arm needs to be calculated by the angular position difference between the two servo motors. If the angle feedback is abnormal, it will lead to loss of tension control.

[0012] Energy efficiency limitations: Braking energy recovery relies on an external servo drive, which limits system compatibility. Utility Model Content

[0013] In view of this, the present invention proposes a winding device that can quickly adjust tension and simplify installation.

[0014] A winding device includes: a first drive shaft 1, one end of which is connected to a first synchronous pulley 11, and the other end is sleeved on an insulating layer winding disc; the first drive shaft 1 has a longitudinal through hole 13 at its center for the core wire to pass through; a second drive shaft 2 is rotatably sleeved on the first drive shaft 1, one end of which is connected to a second synchronous pulley 21, and the other end is sleeved on a tension adjusting mechanism; the tension adjusting mechanism includes a tension adjusting support frame 22 and a first wire guiding roller 23; the tension adjusting support frame 22 includes first mounting discs 221 spaced vertically apart and sleeved on the outside of the first drive shaft 1; the first wire guiding roller 23 is vertically arranged between the two first mounting discs 221 and can rotate freely; characterized in that: a third drive shaft 3 is rotatably sleeved on the second drive shaft 2, one end of which is connected to a third synchronous pulley 31, and the other end is sleeved on a rocker arm mechanism; The rocker arm mechanism includes a second mounting plate 32 and a rocker arm roller 34. The second mounting plate 32 is positioned below the lower first mounting plate 221, and symmetrically equipped with limiting blocks 33. The first mounting plate 221 has an arc-shaped notch 222 corresponding to the limiting block 33, and the limiting block 33 can rotate within the arc-shaped notch 222. Each limiting block 33 is equipped with a rocker arm roller 34, which is perpendicular to the second mounting plate 32 and can rotate freely. When the tension of the insulating tape increases, the speed of the third synchronous wheel 31 changes, driving the limiting block 33 to rotate within the arc-shaped notch 222, causing the rocker arm roller 34 to deflect, reducing the distance between the rocker arm roller 34 and the first wire guide roller 23, and loosening the insulating tape to adjust the tension. There are two rocker arm rollers 34, but only one is wound with the insulating tape during use.

[0015] By adding a third drive shaft 3 and its driven rocker arm mechanism, the position of the rocker arm roller 34 can be automatically and mechanically adjusted according to the change in the insulation layer tape tension (mainly caused by the reduction in the diameter of the insulation layer winding disc), effectively loosening or tightening the insulation layer tape, achieving dynamic and stable tension control, preventing the insulation layer tape from being stretched and deformed or broken due to excessive tension, or from being loose or wrinkled due to insufficient tension, significantly improving the wrapping quality and cable performance. The double rocker arm roller 3 facilitates the quick adjustment of one of them to the vicinity of the working position, simplifying the installation operation and improving efficiency.

[0016] Furthermore, the first synchronous pulley 11, the second synchronous pulley 21, and the third synchronous pulley 31 are each connected to the drive source via independent synchronous belts, enabling independent rotation control of the first drive shaft 1, the second drive shaft 2, and the third drive shaft 3. The independent synchronous belt drive design significantly reduces the dependence on the overall mechanical precision of the equipment, allowing each drive shaft to operate at different speeds. At the same time, the synchronous belt drive has high-speed operation capability, smooth and low-noise transmission process, effectively suppresses resonance phenomena, and greatly improves system stability and anti-interference ability.

[0017] Furthermore, the arc-shaped notch 222 is formed at the circumferential edge of the first mounting plate 221. By setting the arc-shaped notch 222 at the outer circumferential edge of the first mounting plate 221, the limiting block 33 and the swing arm roller 34 connected thereto are fully exposed to the external space. Installation, debugging or maintenance operations can be carried out directly without disassembling other components, which significantly simplifies the disassembly and assembly process of the swing arm mechanism, greatly shortens the maintenance time and reduces the maintenance difficulty.

[0018] Furthermore, the first guide rollers 23 are arranged in pairs, with two sets. When winding the insulating tape, the insulating tape sequentially passes over one of the first guide rollers 23 in one set, the swing arm roller 34, and the other first guide roller 23 in the same set. The dual-set design of the first guide rollers provides redundancy and rapid switching capability. When one set is worn or requires maintenance, it can be quickly switched to the other set, reducing downtime. The paired arrangement, together with the swing arm roller, forms a stable guide path, ensuring smooth conveying of the insulating tape.

[0019] Furthermore, an angle-turning mechanism 4 is provided between the two sets of first thread-passing rollers 23; the angle-turning mechanism 4 includes an angle-turning frame 41 and a first angle-turning block 42 that can move up and down; after the insulating tape passes around the second first thread-passing roller 23 of the same group, it is wound around the first angle-turning block 42. The adjustable first angle-turning block 42 allows precise control of the angle of the insulating tape before entering the subsequent path, ensuring that the tape transitions smoothly in the optimal direction, avoiding wrinkles, twists or stress concentrations caused by sharp turns, and further improving the flatness of the wrapping.

[0020] In some embodiments, a detachable second mounting bracket 5 is provided across the first mounting plate 221 located at the upper part; one end of the second mounting bracket 5 is hinged to the first mounting plate 221 via a rotating pin 51, and the other end is locked to the first mounting plate 221 via a handle 52. The second mounting bracket 5, which can be quickly opened and closed, greatly facilitates the replacement operation of the insulating layer winding plate, significantly shortens the material change downtime, and improves production efficiency. It is especially suitable for production scenarios that require frequent changes of winding plate specifications.

[0021] Furthermore, the second mounting bracket 5 is provided with a second corner block 61 near the rotating pin 51. The insulating layer tape abuts against the surface of the second corner block 61 and slides over it. After the insulating layer tape leaves the tension adjustment area, the second corner block 61 further guides it to turn, providing precise angle control for the tape to enter the final wrapping stage, ensuring that the wrapping tape is flat and attached to the core wire.

[0022] Furthermore, the output end of the second bend block 61 is provided with a pair of second guide rollers 62; the insulating tape passes around the two second guide rollers 62 in sequence and reaches the winding point. The pair of second guide rollers 62 form a final stable and low-friction guide path near the winding point, which effectively prevents the insulating tape from drifting, wrinkling or twisting during the final conveying process, and ensures that it is wrapped in an ideal state.

[0023] Furthermore, the second guide roller 62 is movably mounted on the second mounting bracket 5 via the third mounting bracket 63. The movable second guide roller 62 allows for fine adjustment of its relative position with the second bend block 61 according to the width, thickness or material characteristics of the insulating layer tape, optimizing the guide path and bending angle of the tape, eliminating potential wrinkles, and enhancing adaptability to tapes of different specifications.

[0024] Furthermore, the second guide roller 62 can move longitudinally along the third mounting bracket 63. The longitudinal movement adjustment further refines the adjustment capability of the position of the second guide roller 62, ensuring that the strip forms a smooth and stress-free transition between the surface of the second bend block 61 and the second guide roller 62, thus maximizing the integrity of the strip.

[0025] In some embodiments, each set of first thread guide rollers 23 and counterweight mechanism are symmetrically arranged with respect to the center of the first drive shaft 1. The symmetrical counterweight design (including the first thread guide roller set and its related structure) effectively balances the rotational inertia of the second drive shaft 2 and its rotating components (tension adjustment support frame 22, first thread guide rollers 23, etc.), significantly reducing vibration and unbalanced force during high-speed operation, ensuring smooth transmission, reducing noise, extending bearing life, and avoiding structural interference or tension fluctuations caused by vibration.

[0026] The beneficial effects of this utility model are as follows: This utility model relates to a winding device, including a first drive shaft 1, a second drive shaft 2, and a third drive shaft 3 coaxially arranged. One end of the first drive shaft 1 drives the insulation layer winding disc for feeding, and a core wire through hole 13 is provided in the center. The second drive shaft 2 drives a tension adjustment mechanism, whose tension adjustment support frame 22 is provided with a pair of first wire guide rollers 23. The third drive shaft 3 innovatively drives a rocker arm mechanism, which includes a second mounting plate 32 with a limiting block 33 and a rocker arm roller 34. The limiting block 33 is embedded in the arc-shaped notch 222 of the first mounting plate 221. When the tension of the insulation layer increases, the third drive shaft 3 drives the limiting block 33 to rotate, causing the rocker arm roller 34 to deflect, automatically reducing the distance between it and the first wire guide roller 23 to loosen the strip. The double rocker arm roller 34 design facilitates quick switching of working positions. This invention achieves dynamic tension adjustment through mechanical linkage, effectively preventing the insulation layer from loosening and wrinkling or breaking due to excessive tightness, significantly improving the coating quality and efficiency. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a winding device according to this application.

[0028] Figure 2 This is a perspective view of a winding device according to this application.

[0029] Explanation of key component symbols:

[0030] First drive shaft 1, first synchronous pulley 11, longitudinal perforation 13, second drive shaft 2, second synchronous pulley 21, tension adjustment support frame 22, first mounting plate 221, arc-shaped notch 222, first wire guide roller 23, third drive shaft 3, third synchronous pulley 31, second mounting plate 32, limit block 33, swing arm roller 34, cornering mechanism 4, cornering frame 41, first cornering block 42, second mounting frame 5, rotating pin 51, handle 52, second cornering block 61, second wire guide roller 62, third mounting frame 63.

[0031] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0032] The following embodiments are described to aid in understanding this application. These embodiments are not, and should not be, construed in any way as limiting the scope of protection of this application.

[0033] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as individual functional units (which may include subunits), but those skilled in the art will recognize that various components or portions thereof may be divided into individual components or may be integrated together (including integrated within a single system or component).

[0034] Furthermore, the connection between components or systems is not intended to be limited to a direct connection; on the contrary, data between these components may be modified, reformatted, or otherwise altered by intermediate components. Additionally, other or fewer connections may be used. It should also be noted that the terms "connection," "link," or "input" should be understood to include direct connections, indirect connections via one or more intermediate devices, and wireless connections.

[0035] Example 1:

[0036] like Figure 1 The diagram shown is a structural schematic of a winding device according to this application; Figure 2 The figure shown is a perspective view of a winding device according to this application.

[0037] A winding device includes: a first drive shaft 1, one end of which is connected to a first synchronous pulley 11, and the other end is sleeved on an insulating layer winding disc, wherein the first drive shaft 1 has a longitudinal through hole 13 for the core wire to pass through; a second drive shaft 2 is rotatably sleeved on the first drive shaft 1, one end of which is connected to a second synchronous pulley 21, and the other end is sleeved on a tension adjusting mechanism; the tension adjusting mechanism includes a tension adjusting support frame 22 and a first wire guiding roller 23, wherein the tension adjusting support frame 22 includes first mounting discs 221 arranged vertically and spaced apart, sleeved on the outside of the first drive shaft 1, and the first wire guiding roller 23 is vertically arranged between the two first mounting discs 221 and can rotate freely; The third drive shaft 3 is rotatably sleeved outside the second drive shaft 2, with one end connected to the third synchronous pulley 31 and the other end sleeved to the rocker arm mechanism. The first synchronous pulley 11, the second synchronous pulley 21, and the third synchronous pulley 31 are each connected to the drive source through independent synchronous belts, realizing independent rotation control of the first drive shaft 1, the second drive shaft 2, and the third drive shaft 3. The independent synchronous belt drive design significantly reduces the dependence on the overall mechanical precision of the equipment and allows each drive shaft to operate at different speeds. At the same time, the synchronous belt drive has high-speed operation capability, the transmission process is smooth and low-noise, effectively suppresses resonance phenomena, and greatly improves the system stability and anti-interference ability.

[0038] The rocker arm mechanism includes a second mounting plate 32 and rocker arm rollers 34. The second mounting plate 32 is positioned below the lower first mounting plate 221, and symmetrically arranged with limiting blocks 33 on it. The first mounting plate 221 has an arc-shaped notch 222 corresponding to the limiting blocks 33, and the limiting blocks 33 can rotate within the arc-shaped notch 222. Each limiting block 33 is provided with a rocker arm roller 34, which is perpendicular to the second mounting plate 32 and can rotate freely. When the tension of the insulating layer tape increases, the rotation speed of the third synchronous wheel 31 changes, driving the limiting blocks 33 to rotate within the arc-shaped notch 222, and causing the rocker arm rollers 34 to deflect. The distance between the rocker arm roller 34 and the first guide roller 23 is reduced by rotating the rocker arm roller 34, and the insulation strip is loosened to adjust the tension. There are two rocker arm rollers 34, but only one of them is wrapped with the insulation strip during use. The arc-shaped notch 222 is opened at the circumferential edge of the first mounting plate 221. By setting the arc-shaped notch 222 at the outer circumferential edge of the first mounting plate 221, the limiting block 33 and the rocker arm roller 34 connected to it are fully exposed to the external space. Installation, debugging or maintenance operations can be carried out directly without disassembling other parts, which significantly simplifies the disassembly and assembly process of the rocker arm mechanism, greatly shortens the maintenance time and reduces the maintenance difficulty.

[0039] By adding a third drive shaft 3 and its driven rocker arm mechanism, the position of the rocker arm roller 34 can be automatically and mechanically adjusted according to the change in the insulation layer tape tension (mainly caused by the reduction in the diameter of the insulation layer winding disc). This effectively loosens or tightens the insulation layer tape, achieving dynamic and stable tension control. It prevents the insulation layer tape from being stretched and deformed or broken due to excessive tension, or from being loose or wrinkled due to insufficient tension, significantly improving the wrapping quality and cable performance. The double rocker arm roller 3 allows for quick adjustment of one of them to the vicinity of the working position, simplifying installation operations and improving efficiency.

[0040] The first guide rollers 23 are arranged in pairs, with two sets. When winding the insulating tape, the insulating tape passes sequentially around one of the first guide rollers 23 in one set, the swing rod roller 34, and the other first guide roller 23 in the same set. The dual-set design of the first guide rollers provides redundancy and quick switching capability. When one set is worn or requires maintenance, it can be quickly switched to the other set, reducing downtime. The paired arrangement, together with the swing rod roller, forms a stable guide path, ensuring smooth conveying of the insulating tape. An angle-turning mechanism 4 is provided between the two sets of first guide rollers 23. The angle-turning mechanism 4 includes an angle-turning frame 41 and a first angle-turning block 42 that can move up and down. After the insulating tape passes around the second first guide roller 23 in the same set, it is wound onto the first angle-turning block 42. The adjustable first angle-turning block 42 allows precise control of the angle of the insulating tape before entering the subsequent path, ensuring that the tape transitions smoothly in the optimal direction, avoiding wrinkles, twists, or stress concentrations caused by sharp turns, and further improving the flatness of the wrapping.

[0041] A detachable second mounting bracket 5 is provided across the first mounting plate 221 located at the top. One end of the second mounting bracket 5 is hinged to the first mounting plate 221 via a rotating pin 51, and the other end is locked to the first mounting plate 221 via a handle 52. The second mounting bracket 5, which can be quickly opened and closed, greatly facilitates the replacement of the insulation layer winding disc, significantly shortens the downtime for changing materials, and improves production efficiency. It is especially suitable for production scenarios that require frequent changes in winding disc specifications. A second angle block 61 is provided near the rotating pin 51 on the second mounting bracket 5. The insulation layer tape abuts against the surface of the second angle block 61 and passes over it. After the insulation layer tape leaves the tension adjustment area, the second angle block 61 further guides its direction, providing precise angle control for the tape to enter the final wrapping stage, ensuring that the wrapping tape is flat and attached to the core wire. The output end of the second angle block 61 is provided with a pair of second guide rollers 62. The insulation layer tape passes around the two second guide rollers 62 in sequence. After the guide roller 62 reaches the winding point, the paired second guide rollers 62 form a final stable, low-friction guide path near the winding point, effectively preventing the insulation tape from drifting, wrinkling, or twisting during the final transport process, ensuring that it is wrapped in an ideal state. The second guide roller 62 is movably mounted on the second mounting bracket 5 via the third mounting bracket 63. The movable second guide roller 62 allows for fine adjustment of its relative position to the second bend block 61 according to the width, thickness, or material characteristics of the insulation tape, optimizing the guide path and bending angle of the tape, eliminating potential wrinkles, and enhancing adaptability to tapes of different specifications. The second guide roller 62 can move longitudinally along the third mounting bracket 63. The longitudinal movement adjustment further refines the adjustment capability of the position of the second guide roller 62, ensuring that the tape forms a smooth, stress-free transition between the surface of the second bend block 61 and the second guide roller 62, maximizing the integrity of the tape.

[0042] Each set of first thread guide rollers 23 and counterweight mechanism is symmetrically arranged with respect to the center of the first drive shaft 1. The symmetrical counterweight design (including the first thread guide roller set and its related structures) effectively balances the rotational inertia of the second drive shaft 2 and its rotating components (tension adjustment support frame 22, first thread guide rollers 23, etc.), significantly reducing vibration and unbalanced force during high-speed operation, ensuring smooth transmission, reducing noise, extending bearing life, and avoiding structural interference or tension fluctuations caused by vibration.

[0043] Although this application discloses several aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art. Various modifications and improvements can be made without departing from the concept of this application, and these all fall within the scope of protection of this application. The various aspects and embodiments disclosed in this application are for illustrative purposes only and are not intended to limit this application. The actual scope of protection of this application is determined by the claims.

Claims

1. A winding device, comprising: A first drive shaft (1) is connected at one end to a first synchronous pulley (11) and at the other end to an insulating layer winding disc. The first drive shaft (1) has a longitudinal through hole (13) at its center for the core wire to pass through. A second drive shaft (2) is rotatably mounted outside the first drive shaft (1). One end of the second drive shaft (21) is connected to a second synchronous pulley (21), and the other end is mounted to a tension adjustment mechanism. The tension adjustment mechanism includes a tension adjustment support frame (22) and a first thread guide roller (23). The tension adjustment support frame (22) includes first mounting discs (221) spaced vertically and mounted outside the first drive shaft (1). The first thread guide roller (23) is vertically positioned between the two first mounting discs (221) and can rotate freely. The third drive shaft (3) is rotatably mounted outside the second drive shaft (2). One end of the third drive shaft (31) is connected to a third synchronous pulley (31), and the other end is mounted to a swing arm mechanism. The swing arm mechanism includes a second mounting disc (221) and a second thread guide roller (23). The second mounting plate (32) is placed below the lower first mounting plate (221), and symmetrically provided with limiting blocks (33); the first mounting plate (221) is provided with an arc-shaped notch (222) corresponding to the limiting block (33), and the limiting block (33) can rotate within the arc-shaped notch (222); each of the limiting blocks (33) is provided with the swing rod roller (34), and the swing rod roller (34) is connected to the first mounting plate (221) and the first mounting plate (221) is provided with an arc-shaped notch (222) corresponding to the limiting block (33), and the limiting block (33) can rotate within the arc-shaped notch (222); each of the limiting blocks (33) is provided with the swing rod roller (34), and the swing rod roller (34) is connected to the first mounting plate (221) and the first mounting plate (221) is provided with an arc-shaped notch (222) corresponding to the limiting block (33), and the first mounting plate (221) is provided with an arc-shaped notch (222) corresponding to the limiting block (3 ... first mounting plate (32) is provided with an arc-shaped notch (222) corresponding to the limiting block (33), and the second mounting plate (32) is placed below the lower first mounting plate (221), and symmetrically provided with limiting blocks (33); each of the limiting blocks (33) is provided with a swing rod roller (34), and the swing rod roller (34 The second mounting plate (32) is vertically set and can rotate freely; when the tension of the insulating strip increases, the speed of the third synchronous wheel (31) changes, driving the limit block (33) to rotate in the arc-shaped notch (222), causing the swing rod roller (34) to deflect, reducing the distance between the swing rod roller (34) and the first wire guide roller (23), and loosening the insulating strip to adjust the tension; wherein, there are two swing rod rollers (34), and only one of them is wrapped with the insulating strip when in use.

2. The winding device according to claim 1, characterized in that: The first thread guide rollers (23) are arranged in pairs and there are two sets; when winding the insulating tape, the insulating tape passes around one of the first thread guide rollers (23) in one set, the swing rod roller (34), and the other first thread guide roller (23) in the same set in sequence.

3. The winding device according to claim 2, characterized in that: An angle-turning mechanism (4) is provided between the two sets of first thread-passing rollers (23); the angle-turning mechanism (4) includes an angle-turning frame (41) and a first angle-turning block (42) that can move up and down; the insulating layer tape wraps around the second first thread-passing roller (23) of the same group and then winds around the first angle-turning block (42).

4. The winding device according to claim 1, characterized in that: A detachable second mounting bracket (5) is provided across the first mounting plate (221) located at the top; one end of the second mounting bracket (5) is hinged to the first mounting plate (221) via a rotating pin (51), and the other end is locked to the first mounting plate (221) via a handle (52).

5. The winding device according to claim 4, characterized in that: The second mounting bracket (5) has a second bend block (61) near the rotating pin (51), and the insulating layer tape abuts against the surface of the second bend block (61) and passes over it.

6. The winding device according to claim 5, characterized in that: The output end of the second bend block (61) is provided with a pair of second guide rollers (62); the insulating tape passes around the two second guide rollers (62) in sequence and reaches the winding point.

7. The winding device according to claim 6, characterized in that: The second guide wheel (62) is movably mounted on the second mounting bracket (5) via the third mounting bracket (63).

8. The winding device according to claim 7, characterized in that: The second guide wheel (62) is capable of moving longitudinally along the third mounting bracket (63).

9. The winding device according to claim 2, characterized in that: Each group of first guide rollers (23) and counterweight mechanism are arranged symmetrically with respect to the first drive shaft (1).

10. The winding device according to claim 2, characterized in that: The first synchronous pulley (11), the second synchronous pulley (21) and the third synchronous pulley (31) are respectively connected to the drive source through independent synchronous belts to realize independent rotation control of the first drive shaft (1), the second drive shaft (2) and the third drive shaft (3).

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