A fiber resin glue solution filtering and spinning device

CN118272936BActive Publication Date: 2026-10-09JILIN TANGU CARBON FIBER CO LTD +1
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Patent Information

Application Number
CN202211730739.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-30
Publication Date
2026-10-09
Estimated Expiration
2042-12-30

AI Technical Summary

Technical Problem

[0003]目前,喷丝装置通常配置有过滤装置,树脂胶液流经过滤装置后,杂质会被过滤掉,一段时间后,杂质将沉积在过滤装置附近,而此部位将严重影响流体的流动,后方形成了低流速区,引起喷丝板内流体流速的不稳定,进而影响出丝效果,导致断丝增多,丝束纤度及强度CV值离散程度大

Benefits of technology

[0026] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

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Abstract

The application discloses a kind of fibre resin glue liquid filtering jet device, including liquid flow cavity, filter device, throttling device and steady flow device are sequentially arranged in liquid flow cavity, fibre resin glue liquid is filtered after passing through filter device, flow through throttling device acceleration, after acceleration, steady flow device is shunted after flowing out.The fibre resin glue liquid is concentrated and gathered acceleration when flowing through throttling device in the application, the flow rate of the liquid shunted by filter device is corrected, the negative influence of the glue liquid flow rate slowing down on jet is avoided, then the liquid flows through steady flow device and is shunted, so that the liquid can be uniformly jetted to spinneret plate and be jetted out, the uniformity and stability of the jet of spinneret plate are ensured, and the yield of fibre product is effectively improved.
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Description

Technical Field

[0001] This invention belongs to the field of mechanical equipment technology, and specifically relates to a fiber resin liquid filtration and spinning device. Background Technology

[0002] A spinneret is a device used to extrude a fibrous resin solution into multiple linear filaments. The spinneret has a spinneret containing multiple nozzles through which the fibrous resin solution is extruded to form filaments. Subsequently, the filaments are combined into multifilaments in a thread processing device behind the spinneret, and are solidified and reprocessed before finally being wound into a spool.

[0003] Currently, spinnerets are usually equipped with filters. After the resin liquid flows through the filter, impurities are filtered out. After a period of time, impurities will accumulate near the filter, which will seriously affect the flow of fluid. A low flow rate zone is formed behind this area, causing instability in the fluid flow rate inside the spinneret, which in turn affects the filament output, leading to more broken filaments and a large dispersion in the fineness and strength CV value of the filament bundle.

[0004] In view of this, the present invention is hereby proposed. Summary of the Invention

[0005] This invention provides a fiber resin liquid filtration and spinning device to achieve stable flow rate of fiber resin liquid during the filtration and spinning process, resulting in fewer broken fiber bundles and stable and excellent mechanical properties.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by the present invention is as follows:

[0007] A fiber resin liquid filtration and spinning device includes a liquid flow chamber, in which a filtration device, a throttling device, and a flow stabilizing device are arranged in sequence. After being filtered by the filtration device, the fiber resin liquid is accelerated by the throttling device, and after being accelerated, it is diverted by the flow stabilizing device before flowing out.

[0008] When the fiber resin liquid flows through the throttling device, the fluid concentrates and accelerates, correcting the flow rate of the liquid flowing out of the filter device and avoiding the negative impact of the slower flow rate of the liquid flowing through the filter device on the spinning process.

[0009] The liquid flows through the flow stabilizing device to divert the liquid, allowing it to flow evenly to the spinneret for ejection. This ensures the uniformity and stability of the filament output from the spinneret, effectively improving the yield of fiber products.

[0010] Furthermore, the throttling device is a boss structure with its base set on the inner wall of the liquid flow chamber and its end extending radially into the liquid flow chamber.

[0011] The end of the throttling device extends radially into the liquid flow chamber, narrowing the channel available for liquid flow within the chamber. This accelerates the liquid flowing out of the filter device, effectively overcoming the negative impact of the reduced flow rate of the adhesive liquid passing through the filter device on the spinneret.

[0012] Furthermore, the throttling device is tapered from its base to its end.

[0013] The liquid in the liquid flow chamber, located between the throttling device and the filtering device, will accelerate from the inner wall of the liquid flow chamber towards the central axis of the liquid flow chamber along the throttling device, ensuring that the liquid flowing out of the filtering device still has a relatively fast flow rate.

[0014] Furthermore, the outer wall surface of the throttling device is arc-shaped from its base to its end. The arc-shaped outer wall surface of the throttling device facilitates liquid flow and avoids liquid turbulence, which would have an adverse effect on the spinneret.

[0015] Furthermore, the arc-shaped outer wall of the throttling device is curved from its base to its end toward the inner wall of the liquid flow chamber.

[0016] Furthermore, the throttling device is arranged circumferentially along the inner wall of the liquid flow chamber, and the end of the throttling device forms a throttling channel.

[0017] After the liquid flows out of the filter, it converges and flows from the upper and lower walls of the liquid flow chamber towards the central area, and then accelerates out of the throttling channel. This allows the liquid to be evenly dispersed from the center of the liquid flow chamber towards the inner wall of the liquid flow chamber as much as possible, ensuring the uniformity of the liquid flow distribution and further ensuring the uniformity of the filament output from the spinneret.

[0018] Furthermore, the flow stabilizing device is positioned opposite to and spaced apart from the throttling channel.

[0019] Furthermore, the head of the flow stabilizing device is positioned towards the throttling channel, and the tail is positioned away from the throttling channel, with the flow stabilizing device tapering from its head to its tail.

[0020] The liquid flowing out of the throttling channel will be divided by the flow stabilizing device, forming a fluid that flows evenly around the flow stabilizing device. In this way, the evenly dispersed fluid can flow evenly to the spinneret, thereby ensuring the uniformity and stability of the spinneret.

[0021] Furthermore, the head of the current stabilizing device has an arc-shaped structure, and the current stabilizing device is streamlined from head to tail.

[0022] Preferably, the axial cross-section of the flow stabilizing device is teardrop-shaped.

[0023] The streamlined design of the flow stabilizing device minimizes turbulence during liquid flow, ensuring the stability of the liquid flow.

[0024] Furthermore, it also includes a spinneret area equipped with a spinneret plate. The spinneret area is located at one end of the tail of the flow stabilizing device, and the fiber resin liquid flowing out after being diverted by the flow stabilizing device is sprayed out through the spinneret plate.

[0025] Preferably, the tail end of the flow stabilizing device is positioned towards the center region of the spinneret.

[0026] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

[0027] In this invention, by setting a throttling device, the fiber resin liquid is concentrated and accelerated when it flows through the throttling device, which corrects the flow rate of the liquid flowing out of the filter device and avoids the negative impact of the slow flow rate of the liquid flowing through the filter device on the spinneret. Subsequently, the liquid flows through the flow stabilizing device to divert the liquid, so that the liquid can flow evenly to the spinneret and be sprayed out, ensuring the uniformity and stability of the filament output from the spinneret and effectively improving the yield of fiber products.

[0028] In this invention, the throttling device is installed in a stable and reliable manner. The end of the throttling device extends radially into the liquid flow chamber, narrowing the channel available for liquid flow within the liquid flow chamber. This accelerates the liquid flowing out of the filter device, effectively overcoming the negative impact of the slowed flow rate of the adhesive liquid passing through the filter device on the spinneret.

[0029] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0030] The accompanying drawings, as part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments and descriptions of the invention are used to explain the invention, but do not constitute an undue limitation of the invention. Obviously, the drawings described below are merely some embodiments, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0031] Figure 1 This is a schematic diagram of the assembly structure of the fiber resin filtrate filtering and spinning device of the present invention;

[0032] Figure 2 This is a schematic diagram of the radial cross-sectional structure of the flow stabilizing device in the fiber resin filament filtration and spinning device of the present invention.

[0033] Figure 3 This is a schematic diagram of the radial cross-sectional structure of the throttling channel in the fiber resin filtrate filtration spinneret of the present invention.

[0034] Figure 4 This is a schematic diagram of the fiber filtration device of the present invention.

[0035] In the picture:

[0036] 1. Filter device; 2. Throttling device; 21. Throttling channel; 22. End of throttling device; 23. Base of throttling device; 24. Outer wall of throttling device; 3. Flow stabilizing device; 31. Head of flow stabilizing device; 32. Tail of flow stabilizing device; 33. Mounting bracket; 4. Liquid flow chamber; 41. Liquid inlet; 42. Inner wall of chamber; 5. Spinneret.

[0037] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the invention in any way, but rather to illustrate the concept of the invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0039] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0040] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0041] like Figures 1 to 3 As shown, the present invention provides a fiber resin adhesive filtration and spinning device. The fiber resin adhesive filtration and spinning device includes a liquid flow chamber 4, which includes an inlet 41 and an outlet provided with a spinneret 5. Liquid flows into the liquid flow chamber 4 from the inlet 41 and then flows out from the outlet, and is spun into fibers by the spinneret 5.

[0042] The liquid flow chamber 4 is equipped with a filter device 1, a throttling device 2, and a flow stabilizing device 3 in sequence. After being filtered by the filter device 1, the fiber resin liquid flows through the throttling device 2 for acceleration, and then flows out after being diverted by the flow stabilizing device 3.

[0043] The filter device 1 is formed of a filter screen and is used to filter the fiber resin adhesive; preferably, the filter device 1 is formed of multiple layers of filter screen. The filter device 1 is installed inside the liquid flow chamber 4, located between the liquid inlet 41 and the liquid outlet of the liquid flow chamber 4. The filter screen is arranged to cover the radial cross-section of the liquid flow chamber 4 and is used to filter the liquid flowing into the liquid flow chamber 4.

[0044] In this invention, by setting a throttling device 2, the fiber resin liquid is concentrated and accelerated when it flows through the throttling device 2, which corrects the flow rate of the liquid flowing out of the filter device 1 and avoids the negative impact of the slow flow rate of the liquid flowing through the filter device 1 on the spinning.

[0045] The liquid then flows through the flow stabilizing device 3 to divide the flow, allowing the liquid to flow evenly to the spinneret 5 for ejection, ensuring the uniformity and stability of the filament output from the spinneret 5, and effectively improving the yield of fiber products.

[0046] In one embodiment of the present invention, the throttling device 2 includes a throttling device base 23 and a throttling device end 22. The throttling device base 23 is disposed on the inner wall 42 of the liquid flow chamber 4, and the throttling device end 22 extends radially into the liquid flow chamber 4 to form a boss structure.

[0047] Specifically, the liquid flow chamber 4 is a cylindrical cavity structure, and the end 22 of the throttling device extends radially into the liquid flow chamber 4 in a direction perpendicular to the central axis of the liquid flow chamber 4.

[0048] More specifically, the base 23 of the throttling device is detachably connected to the inner wall 42 of the liquid flow chamber 4, which facilitates the replacement of the throttling device 2; or, the base 23 of the throttling device is integrally formed with the inner wall 42 of the liquid flow chamber 4, which makes the formation of the throttling device 2 simple and not easy to fall off the inner wall 42.

[0049] In this embodiment, the throttling device 2 is installed in a stable and reliable manner. The end 22 of the throttling device extends radially into the liquid flow chamber 4, narrowing the channel for liquid flow in the liquid flow chamber 4. This can accelerate the liquid flowing out of the filter device 1 and effectively overcome the negative impact of the slow flow rate of the adhesive liquid flowing through the filter device 1 on the spinneret.

[0050] In one embodiment of this invention, the throttling device 2 is tapered from its base 23 to its end 22. Specifically, as shown... Figure 1As shown, the width of the axial section of the throttling device 2 gradually decreases from the base 23 of the throttling device to the end 22 of the throttling device.

[0051] In this embodiment, the liquid in the liquid flow chamber 4 located between the throttling device 2 and the filter device 1 will accelerate from the inner wall 42 of the liquid flow chamber 4 towards the central axis of the liquid flow chamber 4 along the throttling device 2, ensuring that the liquid flowing out of the filter device 1 still has a relatively fast flow rate.

[0052] In another embodiment of this invention, the outer wall surface 24 of the throttling device 2, from the base 23 to the end 22, is arc-shaped. Specifically, the arc-shaped outer wall surface of the throttling device 2 is curved towards the inner wall 42 of the liquid flow chamber 4 from the base 23 to the end 22. The throttling device 2 as a whole has an inverted trapezoidal structure.

[0053] In this embodiment, the outer wall surface 24 of the throttling device is arc-shaped, which is conducive to liquid flow and avoids liquid turbulence, thus avoiding any impact on the spinneret.

[0054] In one embodiment of the present invention, the throttling device 2 is arranged circumferentially along the inner wall 42 of the liquid flow chamber 4, and the end 22 of the throttling device forms a throttling channel 21. Preferably, the central axis of the throttling channel 21 is the same as the central axis of the liquid flow chamber 4.

[0055] In this embodiment, after the liquid flows out of the filter device 1, it will converge and flow from the upper and lower walls of the liquid flow chamber 4 towards the central area, and then accelerate out of the throttling channel 21. This allows the liquid to be evenly dispersed from the center of the liquid flow chamber 4 towards the inner wall 42 of the liquid flow chamber 4 as much as possible, ensuring the uniformity of the liquid flow distribution and further ensuring the uniformity of the filament output from the spinneret 5.

[0056] In another embodiment of the present invention, the flow stabilizing device 3 is disposed opposite to and spaced apart from the throttling channel 21. Specifically, as shown... Figure 1 As shown, the flow stabilizing device 3 is spaced apart from the throttling channel 21 and the outer wall surface 24 of the throttling device.

[0057] The flow stabilizing device 3 is installed on the inner wall 42 of the liquid flow chamber 4; preferably, as shown in the figure. Figure 2 As shown, a mounting bracket 33 is provided inside the liquid flow chamber 4, and the flow stabilizing device 3 is mounted on the mounting bracket 33.

[0058] Preferably, the current stabilizing device 3 is detachably connected to the mounting bracket 33.

[0059] Preferably, the flow stabilizing device 3 is detachably connected to the inner cavity wall, and the flow stabilizing device 3 can move along the direction of the central axis of the liquid flow chamber 4. The user can adjust the interval between the flow stabilizing device 3 and the throttling device 2 according to the actual situation of the spinneret.

[0060] In addition, the installation height of the flow stabilizing device 3 can also be adjusted; for example, when the liquid in the liquid flow chamber 4 does not fill the chamber but flows concentrated at the bottom of the chamber, the flow stabilizing device 3 is adjusted to a position closer to the bottom of the liquid flow chamber 4 to ensure that the flow stabilizing device 3 can disperse the liquid flowing out of the throttling device.

[0061] In this embodiment, the liquid flowing out from the throttling channel 21 will be diverted by the flow stabilizing device 3 to form a fluid that flows uniformly around the flow stabilizing device 3. In this way, the uniformly dispersed fluid can flow evenly to the spinneret 5, thereby ensuring the uniformity and stability of the spinneret.

[0062] As one embodiment of this example, the flow stabilizing device 3 includes a flow stabilizing device head 31 and a flow stabilizing device tail 32. The flow stabilizing device head 31 is disposed toward the throttling channel 21, and the flow stabilizing device tail 32 is disposed away from the throttling channel 21. The flow stabilizing device 3 is gradually tapered from the flow stabilizing device head 31 to the flow stabilizing device tail 32.

[0063] In this embodiment, the head 31 of the flow stabilizer is positioned toward the throttling channel 21. The liquid flowing out of the throttling channel 21 is dispersed under the action of the head 31 of the flow stabilizer. After dispersion, the liquid flows evenly along the channel formed by the flow stabilizer 3 to one end of the tail 32 of the flow stabilizer. The liquid is further mixed and flows evenly at the tail 32 of the flow stabilizer to form a uniformly distributed liquid, which is then ejected from the spinneret 5.

[0064] Furthermore, the head 31 of the flow stabilizing device has an arc-shaped structure, and the flow stabilizing device 3 is streamlined from the head 31 to the tail 32; preferably, the axial cross-section of the flow stabilizing device 3 is teardrop-shaped.

[0065] This minimizes the turbulence generated during liquid flow and ensures the stability of the liquid flow.

[0066] As an embodiment of the present invention, the fiber resin liquid filtration and spinning device further includes a spinning zone provided with a spinning plate 5. The spinning zone is located at one end of the tail 32 of the flow stabilizing device, and the fiber resin liquid flowing out after being diverted by the flow stabilizing device 3 is sprayed out through the spinning plate 5.

[0067] Preferably, the tail end 32 of the flow stabilizing device is positioned toward the center region of the spinneret 5.

[0068] Specifically, such as Figure 1As shown, the spinneret 5 has a hemispherical structure. The hemispherical structure of the spinneret 5 is coordinated with the flow rate of the liquid flowing out of the flow stabilizing device 3, so that the flow rate of the filaments ejected from the spinneret 5 is uniform, which further reduces the occurrence of filament breakage.

[0069] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A fiber resin filament filtering and spinning device, characterized in that: include The liquid flow chamber contains a filter, a throttling device, and a flow stabilizing device arranged sequentially. The fiber resin liquid, after being filtered by the filter, flows through the throttling device for acceleration, and then flows out after being diverted by the flow stabilizing device. The spinneret area, located at one end of the flow stabilizing device, is equipped with a spinneret plate. The fiber resin liquid flowing out after being diverted by the flow stabilizing device is ejected through the spinneret plate. The throttling device is a boss structure with its base set on the inner wall of the liquid flow chamber and its ends extending radially into the liquid flow chamber. The boss structure is tapered from its base to its ends, and the outer wall surface from the base to the ends is arc-shaped. The ends have a plane parallel to the inner wall of the liquid flow chamber, and the arc-shaped outer wall is bent towards the inner wall of the liquid flow chamber. The flow stabilizing device is detachably connected to the inner wall of the flow chamber. The flow stabilizing device can move along the central axis of the liquid flow chamber, with its tail facing the central area of ​​the spinneret. And / or, the installation height of the current stabilizing device can also be adjusted. The spinneret has a hemispherical structure, which, together with the flow stabilizing device, ensures that the outflowing liquid has a uniform flow rate.

2. The fiber resin filament filtering and spinning device according to claim 1, characterized in that: The throttling device is arranged circumferentially along the inner wall of the liquid flow chamber, and the end of the throttling device forms a throttling channel.

3. The fiber resin filament filtering and spinning device according to claim 2, characterized in that: The flow stabilizing device is positioned opposite to and spaced apart from the throttling channel.

4. The fiber resin filament filtering and spinning device according to claim 3, characterized in that: The head of the flow stabilizing device is positioned towards the throttling channel, and the tail is positioned away from the throttling channel, with the flow stabilizing device gradually tapering from its head to its tail.

5. The fiber resin filament filtering and spinning device according to claim 4, characterized in that: The head of the current stabilizing device has an arc-shaped structure, and the current stabilizing device is streamlined from head to tail.

6. The fiber resin filament filtering and spinning device according to claim 1, characterized in that: The liquid flow chamber is provided with a mounting bracket, and the flow stabilizing device is detachably mounted on the mounting bracket.

7. The fiber resin filament filtering and spinning device according to claim 1, characterized in that, The filtration device is formed by multiple layers of filter screens.

8. The fiber resin filament filtering and spinning device according to claim 7, characterized in that, The filter screen covers the radial cross-section of the liquid flow chamber.

Citation Information

Patent Citations

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    CN204972766U

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