A stranding device for producing aluminum alloy wires
By using mechanical structures such as sleeves, rotating rods, and magnetic blocks, the broken aluminum alloy wires are positioned, clamped, and buffered, solving the problems of insufficient mechanical structure in existing devices and high cost and easy failure of electrical control equipment, thus improving the continuity and stability of production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SICHUAN TIANFU JIANGDONG TECH CO LTD
- Filing Date
- 2026-05-29
- Publication Date
- 2026-07-31
AI Technical Summary
Existing stranding devices for aluminum alloy wire production lack purely mechanically integrated break-line positioning clamps, anti-return and buffer structures, which makes the broken ends prone to swinging and tangling, increasing wiring difficulty and downtime. In addition, they rely on complex electrical control equipment, which is costly and prone to failure.
It employs mechanical structures such as sleeves, rotating rods, magnetic blocks, and buffer devices. It utilizes sudden changes in wire tension to trigger wire breakage positioning and clamping, combined with rotating wheels and ratchet gears to prevent reverse movement, and absorbs impact force through buffer devices to achieve purely mechanical control.
It effectively limits the erratic swinging and tangling of broken wire ends, reduces downtime, decreases the resistance to wire movement, protects core components, and improves production stability and equipment lifespan.
Smart Images
Figure CN122314541B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of wire manufacturing equipment technology, specifically a stranding device for producing aluminum alloy wires. Background Technology
[0002] The stranding device for aluminum alloy conductor production is one of the core pieces of equipment in the field of conductor manufacturing equipment. Its core function is to wind multiple aluminum alloy monofilaments into aluminum alloy stranded wires with specific mechanical strength and conductivity by means of the rotational driving force provided by the rotating body and the guiding action of the winch. It is widely used in the conductor production process in fields such as power transmission and rail transportation, and is a key piece of equipment to ensure the performance of finished aluminum alloy conductors.
[0003] Existing stranding devices for aluminum alloy wire production typically consist of a rotating body, a winch, and tension adjustment components. In actual production, the aluminum alloy monofilaments to be stranded pass through the winch guide channel and are then fed into the rotating body. The rotating body drives the monofilaments to rotate and feed them axially, while the winch guides and positions the monofilaments. To control the risk of wire breakage, some models integrate electronically controlled tension sensors, PLC control systems, and electromagnetic brakes. By monitoring tension changes in real time, these devices trigger braking upon wire breakage, attempting to control the movement of the broken end and maintain production stability.
[0004] The most critical shortcomings of existing stranding devices for aluminum alloy wire production are: firstly, the lack of a purely mechanical integrated structure that can simultaneously achieve the positioning and clamping of the broken end, prevent the wire from retracting, and buffer the impact. The broken end is prone to being flung and tangled due to centrifugal force and residual tension, increasing wiring difficulty and downtime, and may also damage core components. Secondly, to achieve a similar wire breakage control effect in existing technologies, it is necessary to rely on complex electronic control equipment such as electronic tension sensors and electromagnetic brakes. The equipment procurement and maintenance costs are high, and it is easily affected by aluminum shavings and oil stains in the production environment, making it difficult to balance control effect and cost economy. Summary of the Invention
[0005] To address the shortcomings of existing technologies, this invention provides a stranding device for aluminum alloy wire production, which solves the problems of existing aluminum alloy wire stranding devices lacking a purely mechanical integrated structure for wire breakage positioning, clamping, anti-retraction, and buffering, and requiring complex electrical control to achieve similar effects, resulting in high costs, susceptibility to failure, and difficulty in balancing control effectiveness and economy.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solution: a stranding device for producing aluminum alloy wires, comprising a winch and a rotating body, wherein the inner surface of the winch contacts a wire, the end of the wire away from the winch is inserted into the rotating body, and a wire breakage positioning device is provided inside the winch for fixing the position of the wire when it breaks.
[0007] The broken wire positioning device includes a sleeve, both ends of which are in contact with the winch. A wire-passing device is provided on the outer arc surface of the sleeve. A sliding rod is fixedly connected to the lower surface of the sleeve. A buffer device is provided inside the sliding rod. A magnetic block is fixedly connected to the front surface of the sliding rod. A rotating shaft is fixedly connected to the inner surface of the winch. A rotating rod is rotatably connected to the outer arc surface of the rotating shaft. A magnetic plate is fixedly connected to the lower part of the rotating rod. A movable rod is in contact with the inner surface of the rotating rod. A control rod is fixedly connected to the front end of the movable rod.
[0008] Preferably, the wire guiding device includes a rotating wheel, the left and right ends of which are rotatably connected to a sleeve. A ratchet gear is fixedly connected to the right side of the rotating wheel, and a pawl is slidably connected to the right side of the sleeve. A return spring is fixedly connected to the upper end of the pawl.
[0009] Preferably, the buffer device includes a lead screw, the upper end of which is rotatably connected to a slide rod, an impeller is fixedly connected to the upper part of the outer arc surface of the lead screw, a piston rod is threadedly connected to the outer arc surface of the lead screw, a piston plate is fixedly connected to the upper end of the piston rod, a buffer spring is fixedly connected to the lower surface of the piston plate, and a connecting block is fixedly connected to the lower surface of the piston rod.
[0010] Preferably, the inner surface of the winch has multiple sets of through holes arranged in a circumferential array, the inner surface of the winch has multiple sets of rectangular grooves, and the lower surface of the magnetic block has beveled on both the left and right sides.
[0011] Preferably, the lower end of the rotating rod is provided with an annular protrusion, the middle part of the rotating rod is provided with a rectangular through hole, the upper end of the rotating rod is provided with an arc shape, the right side of the magnetic plate has the opposite polarity to the lower part of the magnetic block, and the diameter of the movable rod is equal to the width of the through hole inside the rotating rod.
[0012] Preferably, the control levers are provided in two sets, and the two sets of control levers are symmetrically distributed about the center line of the sleeve as the axis of symmetry, and the two sets of control levers are elastically connected by springs.
[0013] Preferably, the lower right part of the sleeve has a through hole, the lower inner surface of the sleeve has a cylindrical groove, and the lower right part of the sleeve has a rectangular sliding groove.
[0014] Preferably, the upper part of the lead screw is provided with a smooth arc surface, the inside of the slide bar has a rectangular space, the inside of the slide bar is filled with liquid, and the outer arc surface of the impeller is provided with multiple sets of arc-shaped blades.
[0015] Preferably, a threaded groove is formed at the center of the inner surface of the piston rod, and through holes are formed at the four corners of the piston plate. A through hole is formed at the center of the inner surface of the piston plate.
[0016] Preferably, the lower surface of the piston plate is elastically connected to the slide rod by a buffer spring, a through hole is provided on the lower surface of the slide rod, the connection between the slide rod and the piston rod is kept sealed, and the lower end of the connecting block is fixedly connected to the winch.
[0017] Working Principle: When this device strands aluminum alloy cables, the control levers need to be pulled to both sides to move the rotating rods away from each other. The rotating rods, through their external magnetic plates, drive the magnetic blocks downwards, allowing the sleeve to be positioned in the center of the through-hole inside the winch. At this point, the wire can be passed through the winch and the sleeve and placed inside the rotating body. The wire maintains a certain tension due to the external tension control device. The rotating body can then be activated to pull the wire and strand it through rotation. The sleeve will then contact the wire, and the tension applied by the rotating body and the wire's tension control create pressure on the wire. During stranding, if the applied tension is too high or the wire has internal defects, there is a risk of wire breakage. The broken end will move due to inertial centrifugal force and residual tension. As the tension at the unwinding end disappears, the spring in the middle of the control lever will then drive the two sides... When the control levers move in opposite directions, the lower part of the rotating lever presses against the inclined surface of the lower end of the magnetic block, causing the magnetic block to push the slide rod upward and the sleeve upward, thus creating pressure on the wire between the sleeve and the winch. Simultaneously, as the control levers on both sides move in opposite directions, the rotating rods on both sides will rotate in opposite directions through the movable rod. The upper end of the rotating rod will contact the sleeve and assist in pushing the sleeve upward, increasing the clamping force of the sleeve on the wire. If the break occurs in the rotating section, the wire will tend to move in the opposite direction due to tension. At this time, the wheel will be driven to rotate in the opposite direction. However, due to the contact between the ratchet at its end and the pawl above, the reverse rotation of the ratchet will be restricted, preventing the wire harness from moving in the opposite direction. During normal stranding, the movement of the wire harness will drive the ratchet to rotate forward, so the pawl will not restrict its movement. It can also convert the friction generated when the wire contacts the winch into the rotation of the wheel, reducing the resistance to the wire's movement.
[0018] Furthermore, during cable breakage, the irregular movement of the conductor end and the resulting vibration due to tension will cause the sleeve to move synchronously when the conductor vibrates or swings due to breakage. The sleeve will then drive the movable rod to move synchronously. During this movement, the movable rod will move relative to the piston rod, and this relative movement will drive the lead screw to rotate. The rotation of the lead screw will synchronously drive the impeller to rotate, and the rotation of the impeller in the damping fluid will hinder the relative movement between the piston rod and the slide rod. At the same time, the slide rod will simultaneously compress or stretch the buffer spring. During the deformation of the buffer spring, it will simultaneously buffer the impact force through its own elastic properties. The piston rod will also synchronously drive the piston plate to move in the slide rod and compress the damping fluid. At this time, the damping fluid can only flow through the through hole inside the piston plate, further hindering the movement of the piston rod. Thus, the impact force generated when the conductor breaks and the vibration during twisting are reduced through buffering and damping.
[0019] This invention provides a stranding device for producing aluminum alloy wires. It has the following advantages:
[0020] 1. This invention utilizes the synergistic action of the sleeve, control rod, rotating rod, magnetic block, and magnetic plate of the wire breakage positioning device. The sudden tension change upon wire breakage triggers the spring in the middle of the control rod to reset, causing the control rods on both sides to move towards each other. The movable rod drives the rotating rod to rotate around the axis, thus clamping and fixing the broken wire end between the sleeve and the winch. The arc-shaped structure at the upper end of the rotating rod applies pressure synchronously, further enhancing clamping stability and effectively limiting the wild swinging and entanglement of the broken wire end caused by centrifugal force and residual tension. This accurately locates the broken wire position, facilitating subsequent wiring operations, significantly reducing downtime for maintenance, and ensuring the continuity of stranding production.
[0021] 2. This invention utilizes the cooperation of a rotating wheel, ratchet gear, pawl, and return spring in the wire guiding device. During normal stranding, the wire drives the rotating wheel to rotate in the forward direction. Under the action of the return spring, the pawl slides along the tooth surface of the ratchet gear, without affecting wire transmission. Furthermore, it converts the sliding friction between the wire and the winch into rolling friction of the rotating wheel, significantly reducing the wire's movement resistance and surface wear. When the wire breaks and tends to move in the opposite direction, the ratchet gear rotates in the reverse direction, and the pawl, under the elastic force of the return spring, engages with the ratchet gear tooth groove, achieving one-way locking and preventing the wire from retracting, thus avoiding wire scattering and further enhancing the wire breakage protection effect. This invention is suitable for the dynamic operation requirements of aluminum alloy wire stranding.
[0022] 3. This invention utilizes the linkage of the lead screw, impeller, piston plate, buffer spring, and damping fluid in the buffer device. When the conductor breaks and causes vibration or impact, the sleeve drives the slide rod to move synchronously, driving the lead screw to rotate and causing the impeller to rotate in the damping fluid, thus using liquid damping to impede the movement. Simultaneously, the piston rod drives the piston plate to compress the buffer spring and damping fluid. The damping fluid flows slowly through the through-hole of the piston plate, and combined with the elastic deformation of the buffer spring, it absorbs the impact energy in a dual manner. This structure effectively weakens the impact force when the conductor breaks and the vibration during the stranding process, suppresses the amplitude of conductor vibration, avoids secondary damage to the conductor and winch due to impact, and protects core components such as the winch and rotating body, thereby improving the operational stability and service life of the device. Attached Figure Description
[0023] Figure 1 This is a perspective view of the present invention;
[0024] Figure 2 This is a schematic diagram of the wire breakage positioning device of the present invention;
[0025] Figure 3 This is a schematic cross-sectional view of the upper end of the winch of the present invention;
[0026] Figure 4 This is a schematic diagram of the rotating wheel of the present invention;
[0027] Figure 5 for Figure 2 Enlarged view of point A;
[0028] Figure 6 This is a schematic diagram of the pawl part of the present invention;
[0029] Figure 7 This is a schematic diagram of the cross-section of the slide bar of the present invention.
[0030] Among them, 1. Rotating body; 2. Wire breakage positioning device; 3. Wire guiding device; 4. Buffer device; 5. Winch; 6. Wire; 201. Sleeve; 202. Rotating rod; 203. Control rod; 204. Magnetic plate; 205. Magnetic block; 206. Movable rod; 207. Slide rod; 208. Rotating shaft; 301. Ratchet gear; 302. Rotating wheel; 303. Pawl; 304. Return spring; 401. Impeller; 402. Piston plate; 403. Lead screw; 404. Piston rod; 405. Connecting block; 406. Buffer spring. Detailed Implementation
[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0032] Example:
[0033] Please see the appendix Figure 1 - Appendix Figure 3 This invention provides a stranding device for producing aluminum alloy wires, including a winch 5 and a rotating body 1. The inner surface of the winch 5 is in contact with a wire 6. The end of the wire 6 away from the winch 5 is inserted into the rotating body 1. The winch 5 is provided with a wire breakage positioning device 2, which is used to fix the position of the wire 6 when it breaks.
[0034] The broken wire positioning device 2 includes a sleeve 201, both the front and rear ends of which are in contact with the winch 5. A wire-passing device 3 is provided on the outer arc surface of the sleeve 201. A slide rod 207 is fixedly connected to the lower surface of the sleeve 201. A buffer device 4 is provided inside the slide rod 207. A magnetic block 205 is fixedly connected to the front surface of the slide rod 207. A rotating shaft 208 is fixedly connected to the inner surface of the winch 5. A rotating rod 202 is rotatably connected to the outer arc surface of the rotating shaft 208. A magnetic plate 204 is fixedly connected to the lower part of the rotating rod 202. A movable rod 206 is in contact with the inner surface of the rotating rod 202. A control rod 203 is fixedly connected to the front end of the movable rod 206.
[0035] The inner surface of the winch 5 has multiple sets of circumferentially arranged through holes for the wire 6 to pass through. The inner surface of the winch 5 also has multiple sets of rectangular grooves to accommodate the various components inside the wire breakage positioning device 2. The lower surface of the magnetic block 205 has beveled sides, allowing it to be pushed towards the sleeve 201 as the two rotating rods 202 rotate in opposite directions. The lower end of the rotating rod 202 has an annular protrusion, enabling it to rotatably connect to the outer arc surface of the rotating shaft 208. A rectangular through hole is provided in the middle of the rotating rod 202 to accommodate the movable rod 206. The upper end of the rotating rod 202 is arc-shaped, allowing the two sets of rotating rods 202 to rotate in opposite directions. The arc surface can then apply a certain pressure to the sleeve 201. The right side of the magnetic plate 204 has the opposite polarity to the lower part of the magnetic block 205. Therefore, during the resetting process of the two sets of rotating rods 202 moving away from each other, the magnetic attraction between the magnetic plate 204 and the magnetic block 205 can drive the magnetic block 205 to move downward. The diameter of the movable rod 206 is equal to the width of the through hole inside the rotating rod 202, so that it can be located in the middle through hole of the rotating rod 202. There are two sets of control rods 203, and the two sets of control rods 203 are symmetrically distributed about the center line of the sleeve 201. The two sets of control rods 203 are elastically connected by a spring. The spring is initially in a stretched state, so it will generate a force that drives the two control rods 203 to move towards each other.
[0036] Please see the appendix Figure 2 and appendix Figure 4 - Appendix Figure 6The wire guiding device 3 includes a rotating wheel 302, the left and right ends of which are rotatably connected to the sleeve 201. A ratchet gear 301 is fixedly connected to the right side of the rotating wheel 302, and a pawl 303 is slidably connected to the right side of the sleeve 201. A return spring 304 is fixedly connected to the upper end of the pawl 303.
[0037] The lower right part of the sleeve 201 has a through hole for accommodating the central shaft of the rotating wheel 302. The lower inner surface of the sleeve 201 has a cylindrical groove for accommodating the ratchet gear 301 located at the lower part of the sleeve 201. The lower right part of the sleeve 201 has a rectangular sliding groove for providing movement space for the pawl 303 when it is squeezed by the ratchet gear 301 and for limiting its movement trajectory.
[0038] Please see the appendix Figure 2 and appendix Figure 7 The buffer device 4 includes a lead screw 403, the upper end of which is rotatably connected to a slide rod 207. An impeller 401 is fixedly connected to the upper part of the outer arc surface of the lead screw 403. A piston rod 404 is threadedly connected to the outer arc surface of the lead screw 403. A piston plate 402 is fixedly connected to the upper end of the piston rod 404. A buffer spring 406 is fixedly connected to the lower surface of the piston plate 402. A connecting block 405 is fixedly connected to the lower surface of the piston rod 404.
[0039] The upper part of the lead screw 403 is designed with a smooth arc surface, allowing the impeller 401 to be fixed to the upper end of the lead screw 403. A rectangular space is provided inside the slide rod 207 to accommodate the piston plate 402. The slide rod 207 is filled with a damping fluid, which is a damping fluid in the prior art. This damping fluid impedes the movement of the impeller 401 and piston plate 402 during operation. Multiple sets of arc-shaped blades are provided on the outer arc surface of the impeller 401, causing it to continuously agitate the damping fluid during blade movement. A threaded groove is provided at the center of the inner surface of the piston rod 404, allowing it to compress the lead screw 403 and cause it to rotate as it approaches the slide rod 207. Through holes are provided at the four corners of the piston plate 402. Therefore, the damping fluid can pass through the piston plate 402 and impede its movement, but it will not completely block the movement of the piston plate 402. A through hole is provided at the center of the inner surface of the piston plate 402. The lower surface of the piston plate 402 is elastically connected to the slide rod 207 through a buffer spring 406. The buffer spring 406 is a shock-absorbing spring in the prior art, and its surface is treated with anti-corrosion. A through hole is provided at the lower surface of the slide rod 207 to accommodate the piston rod 404 to move at its lower part. The connection between the slide rod 207 and the piston rod 404 is sealed to ensure that the damping fluid inside the slide rod 207 does not leak. The lower end of the connecting block 405 is fixedly connected to the winch 5 to ensure that the lower end of the piston rod 404 and the winch 5 remain relatively stationary.
[0040] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A stranding device for producing aluminum alloy wires, comprising a winch (5) and a rotating body (1), characterized in that, The inner surface of the winch (5) has multiple sets of through holes arranged in a circular array to accommodate the wire (6) passing through it. The end of the wire (6) away from the winch (5) is inserted into the rotating body (1). The inner surface of the winch (5) has multiple sets of rectangular grooves. Each set of rectangular grooves is equipped with a set of wire break positioning devices (2) to fix the position of the wire (6) when it breaks. The broken wire positioning device (2) includes a sleeve (201), both the front and rear ends of which are in contact with the winch (5). A wire-passing device (3) is provided on the inner surface of the sleeve (201). A slide rod (207) is fixedly connected to the lower surface of the sleeve (201). A buffer device (4) is provided inside the slide rod (207). A magnetic block (205) is fixedly connected to the front surface of the slide rod (207). The inner surface of the winch (5) is fixedly connected to... A rotating shaft (208) is connected to the outer arc surface of the rotating shaft (208), and two sets of rotating rods (202) are rotatably connected to it. A magnetic plate (204) is fixedly connected to the lower part of the rotating rod (202). The magnetic plate (204) and the magnetic block (205) are magnetically attracted to each other. A rectangular through hole is opened in the middle of the rotating rod (202). A movable rod (206) contacts the through hole of the rotating rod (202). A control rod (203) is fixedly connected to the front end of the movable rod (206). Each set of wire breakage positioning device (2) has two sets of control rods (203), and the two sets of control rods (203) are symmetrically distributed with the center line of the sleeve (201) as the axis of symmetry. The two sets of control rods (203) are elastically connected by springs, and the ends of the two sets of control rods (203) away from the movable rod (206) extend out of the opening on the winch (5).
2. The stranding device for producing aluminum alloy wires according to claim 1, characterized in that, The wire guiding device (3) includes a rotating wheel (302), the left and right ends of which are rotatably connected to the sleeve (201). A ratchet gear (301) is fixedly connected to the right side of the rotating wheel (302), and a pawl (303) is slidably connected to the right side of the sleeve (201). A return spring (304) is fixedly connected to the upper end of the pawl (303).
3. The stranding device for producing aluminum alloy wires according to claim 1, characterized in that, The buffer device (4) includes a lead screw (403), the upper end of which is rotatably connected to a slide rod (207). An impeller (401) is fixedly connected to the upper part of the outer arc surface of the lead screw (403). A piston rod (404) is threadedly connected to the outer arc surface of the lead screw (403). A piston plate (402) is fixedly connected to the upper end of the piston rod (404). A buffer spring (406) is fixedly connected to the lower surface of the piston plate (402). A connecting block (405) is fixedly connected to the lower surface of the piston rod (404).
4. The stranding device for producing aluminum alloy wires according to claim 1, characterized in that, The lower surface of the magnetic block (205) is set as inclined surfaces on both the left and right sides.
5. The stranding device for producing aluminum alloy wires according to claim 1, characterized in that, The lower end of the rotating rod (202) is provided with a ring-shaped protrusion, the upper end of the rotating rod (202) is set as an arc, the right side of the magnetic plate (204) has the opposite polarity to the lower part of the magnetic block (205), and the diameter of the movable rod (206) is equal to the width of the through hole inside the rotating rod (202).
6. The stranding device for producing aluminum alloy wires according to claim 2, characterized in that, The sleeve (201) has a through hole at the lower right part, a cylindrical groove at the lower part of the inner surface of the sleeve (201), and a rectangular sliding groove at the lower right part of the sleeve (201).
7. A stranding device for producing aluminum alloy wires according to claim 3, characterized in that, The upper part of the lead screw (403) is set as a smooth arc surface, the slide rod (207) has a rectangular space inside, the slide rod (207) is filled with liquid, and the outer arc surface of the impeller (401) is provided with multiple sets of arc blades.
8. A stranding device for producing aluminum alloy wires according to claim 3, characterized in that, The piston rod (404) has a threaded groove at the center of its inner surface, and the piston plate (402) has through holes at its four corners and at the center of its inner surface.
9. A stranding device for producing aluminum alloy wires according to claim 3, characterized in that, The lower surface of the piston plate (402) is elastically connected to the slide rod (207) by a buffer spring (406). A through hole is provided on the lower surface of the slide rod (207). The connection between the slide rod (207) and the piston rod (404) is sealed. The lower end of the connecting block (405) is fixedly connected to the winch (5).