Dual core stretch yarn forming device
By using a dual-core elastic yarn forming device, the yarn tension is adjusted by a tension sensor and controller. Combined with a twisting tube and a winding roller, the problems of unstable yarn tension and low production efficiency in traditional devices are solved, and high-efficiency production of high-quality dual-core elastic yarn is achieved.
Patent Information
- Application Number
- CN202521500805.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-17
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-07-17
AI Technical Summary
Traditional elastic yarn forming devices suffer from problems such as unstable yarn tension, uneven twisting, low production efficiency, and uneven winding. In particular, it is difficult to achieve a compact structure and high elastic recovery force in the processing of two-core yarns.
The device employs a dual-core elastic yarn forming mechanism, which includes a frame, a core yarn feeding mechanism, an outer yarn feeding mechanism, a tension adjustment mechanism, a twisting mechanism, and a winding mechanism. The yarn tension is adjusted by a tension sensor and a controller, and a stable dual-core yarn is formed by the twisting tube. The yarn is then tightly arranged by the winding roller.
It achieves stable yarn tension, improves twisting uniformity and production efficiency, enhances yarn elasticity and strength, ensures tight yarn winding, and is suitable for large-scale production.
Smart Images
Figure CN224678240U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of textile technology, specifically to a dual-core elastic yarn forming device. Background Technology
[0002] Traditional elastic yarn forming devices mostly employ a single-core structure, forming yarn by winding an outer fiber around a single elastic core filament. However, single-core elastic yarn suffers from insufficient elastic recovery, susceptibility to fatigue breakage, and difficulty in balancing softness and support. While the concept of dual-core yarn exists in existing technologies, the lack of dedicated forming devices leads to problems such as low processing efficiency, uneven tension between the two cores, and loose structure. Therefore, there is an urgent need for a compact, dedicated device capable of stably producing highly elastic dual-core yarn. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a dual-core elastic yarn forming device, which solves the problems of unstable yarn tension, uneven twisting, low production efficiency and uneven winding that exist in existing dual-core elastic yarn forming devices.
[0004] To solve the above technical problems, the present invention adopts the following technical solution: a double-core elastic yarn forming device, including a frame, on which a first core yarn feeding mechanism, a second core yarn feeding mechanism, an outer yarn feeding mechanism, a tension adjusting mechanism, a twisting mechanism and a winding mechanism are sequentially arranged; The first core yarn feeding mechanism feeds in core yarn A; the second core yarn feeding mechanism feeds in core yarn B; The outer yarn feeding mechanism feeds in the outer yarn; tension adjustment mechanisms are provided on the yarn output paths of the first core yarn feeding mechanism, the second core yarn feeding mechanism, and the outer yarn feeding mechanism; The twisting mechanism includes a spindle, a drive motor, and a twisting tube. The drive motor is connected to the spindle in a transmission manner, and the spindle drives the twisting tube to rotate. The winding mechanism includes a winding roller, a pressing roller, and a driving device. The winding roller is connected to the driving device, and the pressing roller is positioned above the winding roller.
[0005] Furthermore, the first core yarn feeding mechanism includes a first yarn bobbin, a first yarn guide roller, and a first feed roller, with the core yarn on the first yarn bobbin being sequentially discharged through the first yarn guide roller and the first feed roller; the second core yarn feeding mechanism includes a second yarn bobbin, a second yarn guide roller, and a second feed roller, with the core yarn on the second yarn bobbin being sequentially discharged through the second yarn guide roller and the second feed roller.
[0006] Furthermore, the outer yarn feeding mechanism includes an outer yarn bobbin, a third guide roller, and a third feed roller, with the outer yarn on the outer yarn bobbin being sequentially guided out through the third guide roller and the third feed roller.
[0007] Furthermore, the tension adjustment mechanism includes a tension sensor and a tension controller. The tension sensor is respectively disposed on the yarn output path of the first core yarn feeding mechanism, the second core yarn feeding mechanism and the outer yarn feeding mechanism. The tension controller is electrically connected to the tension sensor and is also electrically connected to the drive devices of the first feeding roller, the second feeding roller and the third feeding roller.
[0008] Furthermore, the tension sensor is a contact tension sensor.
[0009] Furthermore, the twisting tube is made of stainless steel.
[0010] Furthermore, the surface of the winding roller is provided with an anti-slip layer.
[0011] The beneficial effects of this utility model are as follows: By setting up two core yarn feeding mechanisms and one outer yarn feeding mechanism, a structurally stable double-core elastic yarn can be formed, improving the overall performance of the yarn. The tension adjustment mechanism uses a tension sensor and a tension controller to detect and adjust the tension of each yarn in real time, ensuring stable yarn tension and improving product quality. The twisting mechanism uses a spindle to drive the twisting tube to rotate for twisting, ensuring uniform twisting and further improving the elasticity and strength of the yarn. The coordinated operation of these mechanisms results in a high degree of automation, improving production efficiency and meeting the needs of large-scale production. The pressure roller in the winding mechanism ensures that the yarn is tightly wound onto the winding roller, preventing loose yarn and facilitating subsequent use. Attached Figure Description
[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0013] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation
[0014] The technical solution of this utility model will be clearly and completely described below through specific embodiments.
[0015] refer to Figure 1 This utility model relates to a double-core elastic yarn forming device, which includes a frame 1. The frame 1 is provided with a first core yarn feeding mechanism 2, a second core yarn feeding mechanism 3, an outer yarn feeding mechanism 4, a tension adjusting mechanism 5, a twisting mechanism 6, and a winding mechanism 7 arranged sequentially. The first core yarn feeding mechanism 2 includes a first yarn bobbin 21, a first guide roller 22, and a first feed roller 23. The core yarn on the first yarn bobbin 21 is sequentially discharged through the first guide roller 22 and the first feed roller 23. The second core yarn feeding mechanism 3 includes a second yarn bobbin 31, a second guide roller 32, and a second feed roller 33. The core yarn on the second yarn bobbin 31 is sequentially discharged through the second guide roller 32 and the second feed roller 33. The outer yarn feeding mechanism 4 includes an outer yarn bobbin 41, a third guide roller 42, and a third feed roller 43. The outer yarn on the outer yarn bobbin 41 is sequentially discharged through the third guide roller 42 and the third feed roller 43. The tension adjustment mechanism 5 includes a tension sensor 51 and a tension controller 52. The tension sensor 51 is respectively installed on the yarn output paths of the first core yarn feeding mechanism 2, the second core yarn feeding mechanism 3, and the outer yarn feeding mechanism 4, and is used to detect the tension of each yarn. The tension controller 52 is electrically connected to the tension sensor 51, and is also electrically connected to the drive devices of the first feed roller 23, the second feed roller 33, and the third feed roller 43. When the tension sensor 51 detects that the yarn tension is too high, the tension controller 52 controls the corresponding feed roller to speed up, thereby reducing the yarn tension; when the detected tension is too low, it controls the feed roller to speed up, thereby increasing the yarn tension, thus ensuring stable yarn tension.
[0016] Three tension sensors 51 are electrically connected (e.g., via wires) to the tension controller 52, respectively, to transmit their detected yarn tension signals (e.g., in electrical signal form) to the tension controller 52 in real time for adjustment. The tension controller 52 is electrically connected (e.g., via control lines) to the drive devices of the first feed roller 23, the second feed roller 33, and the third feed roller 43. Here, "drive device" refers to the power component that drives the roller rotation (e.g., a motor and its associated control module). The tension controller 52 can control the operating status of the drive device by outputting electrical signals (e.g., speed control commands).
[0017] The twisting mechanism 6 includes a spindle 61, a drive motor 62, and a twisting tube 63. The drive motor 62 is connected to the spindle 61, and the spindle 61 drives the twisting tube 63 to rotate. The first core yarn, the second core yarn, and the outer wrapping yarn, which are led out from the tension adjusting mechanism 5, enter the twisting tube 63 and are twisted under the action of the rotation of the twisting tube 63 to form a double-core elastic yarn. The twisting tube 63 mainly comprises a tube body made of high-strength, wear-resistant ceramic material, with a hollow cylindrical structure. A double-core yarn guide channel is located on the central axis of the tube body, with a diameter 2-2.5 times the total diameter of the double-core yarn. An outer yarn spiral groove is located around the guide channel, with a depth 1.2-1.5 times the diameter of the outer yarn and a pitch of 5-8 mm. An airflow acceleration channel is evenly distributed on the outside of the spiral groove, containing 12-16 oblique micropores with an angle of 30-45°.
[0018] The winding mechanism 7 includes a winding roller 71, a pressure roller 72, and a drive device (not shown in the figure). The winding roller 71 is connected to the drive device, and the pressure roller 72 is positioned above the winding roller 71. The twisted double-core elastic yarn passes between the winding roller 71 and the pressure roller 72, and is wound onto the winding roller 71 under the rotation of the winding roller 71. The pressure roller 72 ensures that the yarn is tightly packed and prevents it from becoming loose. During operation, the first core yarn, the second core yarn, and the outer covering yarn are each drawn from their respective yarn bobbins and guided by the guide rollers to the feed rollers. The feed rollers feed the yarns into the tension adjusting mechanism 5. The tension sensor 51 detects the tension of each yarn and transmits the signal to the tension controller 52. The tension controller 52 adjusts the rotation speed of each feed roller according to the signal to ensure stable yarn tension. Afterward, the yarn enters the twisting mechanism 6, where it is twisted under the rotation of the twisting tube 63 to form a double-core elastic yarn. Finally, the double-core elastic yarn is wound onto the winding roller 71 by the winding mechanism 7.
[0019] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Those skilled in the art can make various modifications or equivalent substitutions to the present utility model within its substance and protection scope, and such modifications or equivalent substitutions should also be considered to fall within the protection scope of the present utility model's technical solution.
Claims
1. A device for forming a double-core elastic yarn, characterized in that: Includes a frame (1), on which a first core yarn feeding mechanism (2), a second core yarn feeding mechanism (3), an outer yarn feeding mechanism (4), a tension adjustment mechanism (5), a twisting mechanism (6) and a winding mechanism (7) are sequentially arranged; The first core yarn feeding mechanism (2) feeds in core yarn A; the second core yarn feeding mechanism (3) feeds in core yarn B; The outer yarn feeding mechanism (4) feeds in the outer yarn; tension adjustment mechanism (5) is set on the yarn output path of the first core yarn feeding mechanism (2), the second core yarn feeding mechanism (3) and the outer yarn feeding mechanism (4); The twisting mechanism (6) includes a spindle (61), a drive motor (62) and a twisting tube (63). The drive motor (62) is connected to the spindle (61) in a transmission manner, and the spindle (61) drives the twisting tube (63) to rotate. The winding mechanism (7) includes a winding roller (71), a pressing roller (72) and a driving device. The winding roller (71) is connected to the driving device, and the pressing roller (72) is disposed above the winding roller (71).
2. The dual-core elastic yarn forming device according to claim 1, characterized in that: The first core yarn feeding mechanism (2) includes a first yarn bobbin (21), a first yarn guide roller (22) and a first feed roller (23). The core yarn on the first yarn bobbin (21) is sequentially discharged through the first yarn guide roller (22) and the first feed roller (23). The second core yarn feeding mechanism (3) includes a second yarn bobbin (31), a second yarn guide roller (32) and a second feed roller (33). The core yarn on the second yarn bobbin (31) is sequentially discharged through the second yarn guide roller (32) and the second feed roller (33).
3. The dual-core elastic yarn forming device according to claim 1, characterized in that: The outer yarn feeding mechanism (4) includes an outer yarn cylinder (41), a third yarn guide roller (42) and a third feeding roller (43). The outer yarn on the outer yarn cylinder (41) is sequentially discharged through the third yarn guide roller (42) and the third feeding roller (43).
4. The dual-core elastic yarn forming device according to claim 1, characterized in that: The tension adjustment mechanism (5) includes a tension sensor (51) and a tension controller (52). The tension sensor (51) is respectively set on the yarn output path of the first core yarn feeding mechanism (2), the second core yarn feeding mechanism (3) and the outer yarn feeding mechanism (4). The tension controller (52) is electrically connected to the tension sensor (51) and is electrically connected to the drive device of the first feeding roller (23), the second feeding roller (33) and the third feeding roller (43).
5. The dual-core elastic yarn forming device according to claim 4, characterized in that: The tension sensor (51) is a contact tension sensor.
6. The dual-core elastic yarn forming device according to claim 1, characterized in that: The twisting tube (63) is made of stainless steel.
7. The dual-core elastic yarn forming device according to claim 1, characterized in that: The surface of the winding roller (71) is provided with an anti-slip layer.