Composite fiber mixing device
By using hollow guide rollers and a cooling gas exchange system on the composite fiber production line, the problem of difficulty in reducing fiber temperature was solved, ensuring that the fiber does not deform during winding and improving product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU REGAL LEYE TECHNOLOGY CO.,LTD.
- Filing Date
- 2025-07-29
- Publication Date
- 2026-06-26
AI Technical Summary
During the production of composite fibers, the fibers are prone to deformation during winding because the temperature is difficult to drop quickly on the high-speed production line, which affects product quality.
The guide roller adopts a hollow design and is connected to a cooling gas delivery device through a rotary joint. Combined with the exhaust assembly and nozzle, cooling gas is delivered to the fiber filament for heat exchange to reduce the temperature.
It effectively prevents fiber deformation during winding, improving product quality and stability.
Smart Images

Figure CN224412003U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of composite fiber technology, and specifically to a composite fiber mixing device. Background Technology
[0002] In the production of composite fibers, a blending process is used to combine different fibers (such as strength + elasticity, moisture absorption + quick drying, hydrophilicity + hydrophobicity, conductivity + insulation, and different dyeing properties) to achieve composite fibers that possess the advantages of different fibers. This is one method of composite fiber production and processing.
[0003] Chinese patent document CN220284324U discloses a nylon composite fiber blending device, including: a feeding device, a drawing device, a composite roller, a network nozzle device, and a roller relaxation device. The feeding device includes a first conveying roller for conveying A-component fiber filaments and a second conveying roller for conveying B-component fiber filaments. Both A-component and B-component fiber filaments pass through the drawing device to become drawn filaments. The composite roller is used to merge the two drawn filaments after being drawn by the drawing device. The merged two drawn filaments enter the network nozzle device to merge into a network to form AB-component composite network filaments. After being relaxed by the roller relaxation device, the AB-component composite network filaments are shaped by a hot box to form stable composite fiber filaments.
[0004] In the above scheme, the AB component composite network yarn is relaxed by the roller relaxation device and then shaped in the hot box to form a stable composite fiber filament. The guide roller then conveys it to the take-up roller for winding. However, since the production line speed is usually high, the fiber temperature is difficult to drop quickly during the conveying process by relying solely on natural air cooling. This can easily lead to deformation of the composite fiber filament due to excessive temperature during winding, affecting product quality. Utility Model Content
[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a composite fiber mixing device.
[0006] The technical solution of this utility model is: a composite fiber mixing device, including a rotary joint, a guide roller and an exhaust assembly;
[0007] The guide roller has a hollow center, and both ends of the guide roller, near the ends, are provided with bearing seats for fixing the guide roller and allowing it to rotate during use.
[0008] The rotary joint has two parts, which are respectively installed at one end of the guide roller. Both rotary joints are connected to the guide roller to communicate with an external cooling gas conveying device to convey cooling gas into the guide roller.
[0009] The exhaust assembly is mounted at one end of a rotary joint and extends to the side of the guide roller.
[0010] Preferably, the guide roller includes a roller body and a support tube;
[0011] There are two support tubes, both of which are installed in the middle of the bearing housing;
[0012] The roller is positioned between two support tubes and is connected to the support tubes.
[0013] Preferably, the end of the support tube is provided with a connecting shell, and the inner two ends of the roller body are provided with fixing plates near the end. The connecting shell is inserted into the inner side of the roller body and bolted to the fixing plate.
[0014] Preferably, a spiral plate is provided on the inner side of the roller body, and the end of the spiral plate is located on the side of the fixed plate.
[0015] Preferably, the connecting shell has a cavity in the middle that communicates with the support tube, and both the connecting shell and the fixing plate have through holes on their end faces. The two through holes are arranged in an overlapping manner, and the support tube communicates with the roller body through the cooperation of the cavity and the through holes.
[0016] Preferably, the two through holes are located at the edges of the connecting shell and the fixing plate, respectively, and are arranged towards the spiral plate.
[0017] Preferably, the exhaust assembly includes a connecting pipe and a nozzle;
[0018] The connecting pipe is located on the side of the roller body and extends to the end of the roller body to connect with the rotary joint;
[0019] There are multiple nozzles, which are arranged at equal intervals on the connecting pipe and located on the side of the roller.
[0020] Preferably, the end of the connecting pipe is provided with a quick-connect fitting, and the connecting pipe is connected to the rotary joint through the quick-connect fitting.
[0021] Preferably, the inner side of the end of the support tube is provided with a threaded groove, and the support tube is connected to the rotary joint through the threaded groove.
[0022] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:
[0023] This invention utilizes the cooperation of two rotary joints to deliver gas from an external cooling gas conveying device through guide rollers to the exhaust assembly and then to the composite fiber filaments. Simultaneously, the guide rollers conduct heat from the composite fiber filaments, and the cooling air exchanges heat with the guide rollers, further cooling the composite fiber filaments, improving the cooling effect, effectively preventing deformation during winding, and improving product quality. Attached Figure Description
[0024] Figure 1-2 All of these are perspective views of one embodiment of the present utility model.
[0025] Figure 3 This is a cross-sectional schematic diagram of the roller structure in one embodiment of the present invention.
[0026] Figure 4 This is an exploded cross-sectional view of the connection structure between the support tube and the roller body in one embodiment of the present invention.
[0027] Reference numerals: 1. Roller body; 2. Rotary joint; 3. Support tube; 4. Bearing seat; 5. Connecting tube; 6. Nozzle; 7. Connecting shell; 8. Cavity; 9. Through hole; 10. Fixing plate; 11. Spiral plate; 12. Quick connector; 13. Threaded groove. Detailed Implementation
[0028] Example 1
[0029] like Figure 1-4 As shown, the present invention proposes a composite fiber mixing device, which includes a rotary joint 2, a guide roller and an exhaust assembly;
[0030] The guide roller has a hollow center to provide a channel for conveying cooling air during use and to exchange heat with the cooling air. Both ends of the guide roller and near the end are provided with bearing seats 4 for fixing the guide roller and rotating it during use.
[0031] There are two rotary joints 2, which are respectively installed at one end of the guide roller. Both rotary joints 2 are connected to the guide roller to communicate with an external cooling gas conveying device to convey cooling gas into the guide roller.
[0032] The exhaust assembly is installed at the end of a rotary joint 2 and extends to the side of the guide roller. It is used to transport the cooling air in the guide roller to the heat-set composite fiber filament during use, so as to cool it down.
[0033] In this embodiment, a rotary joint 2 is connected to an external cooling gas conveying device, allowing the guide roller to rotate via the bearing seat 4 and convey the heat-set composite fiber filaments. Simultaneously, the hollow center of the guide roller allows the rotary joint 2 to convey cooling air along the center of the guide roller to another rotary joint 2, which in turn conveys the cooling air to the exhaust assembly. The exhaust assembly then conveys the cooling air to the heat-set composite fiber filaments for cooling. Simultaneously, as the guide roller guides the composite fiber filaments towards the take-up roller for winding, the composite fiber filaments exchange heat with the guide roller. The cooling air first passes through the center of the guide roller, allowing for further heat exchange and cooling, thus improving the cooling effect. This ensures that the temperature of the composite fiber filaments is uniform and stable during winding, preventing fiber deformation due to high temperatures and improving the quality and stability of the final product.
[0034] Example 2
[0035] like Figure 3-4 As shown, the present invention proposes a composite fiber blending device. The difference between this embodiment and the first embodiment is that the guide roller includes a roller body 1 and a support tube 3.
[0036] There are two support tubes 3, and both support tubes 3 are installed in the middle of the bearing seat 4. The inner side of the end of the support tube 3 is provided with a threaded groove 13. The support tube 3 is quickly connected to the rotary joint 2 through the threaded groove 13, making it easier to assemble and disassemble the rotary joint 2 and the support tube 3.
[0037] The roller 1 is positioned between the two support tubes 3 and is connected to the support tubes 3.
[0038] In this embodiment, the roller body 1 is connected to the support tube 3, and the support tube 3 is connected to the rotary joint 2 through the threaded groove 13. This allows the roller body 1 to communicate with the rotary joint 2 through the support tube 3, and the rotary joint 2 to deliver cooling air to the roller body 1 through the support tube 3. This allows the roller body 1 to exchange heat with the cooling air when guiding the composite fiber filament, enabling the composite fiber filament to undergo multiple cooling operations during use, thereby improving its cooling effect.
[0039] Example 3
[0040] like Figure 4 As shown, the present invention proposes a composite fiber blending device. Compared with embodiment two, the difference in this embodiment is that the end of the support tube 3 is provided with a connecting shell 7, and the inner ends of the roller body 1 are provided with fixing plates 10 near the end. The connecting shell 7 is inserted into the inner side of the roller body 1 and bolted to the fixing plates 10, which is used to increase the connection strength between the support tube 3 and the rotary joint 2 during use.
[0041] In an optional embodiment, a spiral plate 11 is provided on the inner side of the roller body 1, with the end of the spiral plate 11 located on the side of the fixed plate 10. This is used to increase the inner area of the roller body 1 during use, so that the cooling air can contact the spiral plate 11 in the roller body 1, thereby improving the heat exchange effect of the roller body 1.
[0042] In an optional embodiment, a cavity 8 communicating with the support tube 3 is provided in the middle of the connecting shell 7. Both the end faces of the connecting shell 7 and the fixing plate 10 are provided with through holes 9, which are arranged in an overlapping manner. The support tube 3 communicates with the roller body 1 through the cooperation of the cavity 8 and the through holes 9. The two through holes 9 are located at the edges of the connecting shell 7 and the fixing plate 10, respectively, and are arranged towards the spiral plate 11. They are used to move the cooling air along the surface of the spiral plate 11 in a spiral manner during use, and to make the cooling air move against the inner wall of the roller body 1, thereby improving the heat exchange effect of the roller body 1.
[0043] In this embodiment, by setting a connecting shell 7 at the end of the support tube 3 and setting a fixing plate 10 on the inner side of the roller body 1, the support tube 3 drives the connecting shell 7 to be inserted into the roller body 1 and bolted to the fixing plate 10, making the connection between the roller body 1 and the support tube 3 more stable. At the same time, by setting a cavity 8 in the middle of the connecting shell 7 and setting a through hole 9 facing the spiral plate 11 on the end face of the connecting shell 7 and the fixing plate 10, the support tube 3 and the cavity 8 are connected to the roller body 1 through the through hole 9, and the cooling air conveyed by the support tube 3 is conveyed to the spiral plate 11 through the through hole 9, so that the cooling air moves spirally along the spiral plate 11 on the inner side of the roller body 1, thereby making the cooling air fully contact the inner wall of the roller body 1, improving the heat dissipation effect of the roller body 1, and further enhancing the cooling effect of the roller body 1 on the composite fiber filament.
[0044] Example 4
[0045] like Figure 1-2 As shown, the present invention proposes a composite fiber blending device. The difference between this embodiment and the first embodiment is that the exhaust component includes a connecting pipe 5 and a nozzle 6.
[0046] The connecting pipe 5 is provided on the side of the roller body 1 and extends to the end of the roller body 1 to connect with the rotary joint 2.
[0047] There are multiple nozzles 6, which are arranged at equal intervals on the connecting pipe 5 and located on the side of the roller body 1.
[0048] In an optional embodiment, the end of the connecting pipe 5 is provided with a quick connector 12, and the connecting pipe 5 is connected to the rotary joint 2 through the quick connector 12, which is used to quickly connect the connecting pipe 5 and the rotary joint 2 during use, making the disassembly and assembly of the connecting pipe 5 more convenient.
[0049] In this embodiment, one end of the connecting pipe 5 extends to the side of the roller body 1 and is connected to the rotary joint 2 through the quick connector 12, so that the connecting pipe 5 receives the cooling air delivered by the rotary joint 2 and delivers it to the heat-set composite fiber filament through multiple nozzles 6 to cool it down.
[0050] In this invention, a rotary joint 2 connects to an external cooling gas delivery device, and two rotary joints 2 are installed at the ends of the support pipe 3 via threaded grooves 13, connecting the rotary joints 2 to the roller body 1. Simultaneously, one rotary joint 2 delivers cooling air to the support pipe 3, guiding the cooling air to the cavity 8. The cooling air inside the cavity 8 is then delivered to the spiral plate 11 through two through holes 9, causing the cooling air to flow spirally along the surface of the spiral plate 11 within the roller body 1. This ensures sufficient contact between the cooling air and the inner wall of the roller body 1, and allows the cooling air to reach the inner side of the roller body 1. The other end is conveyed to another cavity 8, and the cavity 8 is conveyed to another rotary joint 2 through the support pipe 3, and the rotary joint 2 is conveyed to the connecting pipe 5, so that multiple nozzles 6 on the connecting pipe 5 convey the heat-set composite fiber filaments to cool them down. At the same time, during the process of the composite fiber filaments being guided and wound by the roller body 1, the roller body 1 exchanges heat with the composite fiber filaments. Meanwhile, the cooling air passing through the roller body 1 exchanges heat with the roller body 1 and the spiral plate 11, further reducing the temperature of the composite fiber filaments, ensuring their physical properties are stable and improving product quality.
[0051] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.
Claims
1. A composite fiber blending device, characterized in that, Includes a rotary joint (2), guide rollers, and an exhaust assembly; The middle part of the guide roller is hollow, and both ends of the guide roller and near the end are provided with bearing seats (4) for fixing the guide roller and rotating the guide roller in use. There are two rotary joints (2), and the two rotary joints (2) are respectively installed at one end of the guide roller. Both rotary joints (2) are connected to the guide roller for connecting with the external cooling gas conveying device to convey cooling gas into the guide roller. The exhaust assembly is mounted at one end of a rotary joint (2) and extends to the side of the guide roller.
2. The composite fiber blending device according to claim 1, characterized in that, The guide roller includes a roller body (1) and a support tube (3); There are two support tubes (3), and both support tubes (3) are installed in the middle of the bearing seat (4); The roller (1) is positioned between two support tubes (3) and is connected to the support tubes (3).
3. The composite fiber blending device according to claim 2, characterized in that, The end of the support tube (3) is provided with a connecting shell (7), and the inner ends of the roller body (1) are provided with fixing plates (10) near the end. The connecting shell (7) is inserted into the inner side of the roller body (1) and bolted to the fixing plate (10).
4. The composite fiber blending device according to claim 3, characterized in that, A spiral plate (11) is provided on the inner side of the roller body (1), and the end of the spiral plate (11) is located on the side of the fixed plate (10).
5. A composite fiber blending device according to claim 4, characterized in that, A cavity (8) communicating with the support tube (3) is provided in the middle of the connecting shell (7). Both the end faces of the connecting shell (7) and the fixing plate (10) are provided with through holes (9). The two through holes (9) are arranged in an overlapping manner. The support tube (3) is connected to the roller body (1) through the cooperation of the cavity (8) and the through hole (9).
6. The composite fiber blending device according to claim 5, characterized in that, Two through holes (9) are located at the edges of the connecting shell (7) and the fixing plate (10), respectively, and are arranged toward the spiral plate (11).
7. The composite fiber blending device according to claim 1, characterized in that, The exhaust assembly includes a connecting pipe (5) and a nozzle (6); The connecting pipe (5) is set on the side of the roller body (1) and extends to the end of the roller body (1) to connect with the rotary joint (2); There are multiple nozzles (6), which are arranged at equal intervals on the connecting pipe (5) and located on the side of the roller body (1).
8. A composite fiber blending device according to claim 7, characterized in that, The end of the connecting pipe (5) is provided with a quick connector (12), and the connecting pipe (5) is connected to the rotary joint (2) through the quick connector (12).
9. A composite fiber blending device according to claim 2, characterized in that, The inner side of the end of the support tube (3) is provided with a threaded groove (13), and the support tube (3) is connected to the rotary joint (2) through the threaded groove (13).