High-performance carbon fiber spinneret plate

By designing removable spinneret boxes and partitions, combined with spinneret holes of different shapes and lengths, the problem of existing spinnerets requiring replacement of the entire board when local spinneret holes are blocked or opened, achieving lower maintenance costs and higher spinneret performance.

CN222666118UActive Publication Date: 2025-03-25CHANGZHOU FANGXING PRECISION MACHINERY
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Patent Information

Application Number
CN202421459435.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-25
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing spinneret needs to replace the entire board when the local spinneret hole is blocked or opened, resulting in waste and increased production costs. At the same time, the length of the spinneret cavity is fixed, and different lengths cannot be selected.

Method used

A high-performance carbon fiber spinneret is designed, using a detachable spinneret box and partition plate. The spinneret tube is fixed and replaced by the clamping hole and rubber limiting ring, which is convenient for maintenance; at the same time, by setting wire inlet holes and spinneret holes of different shapes and lengths, spinneret discharge of different cross-sections and cavity lengths is achieved.

Benefits of technology

It realizes that when local spinneret holes are blocked or opened, only the spinneret tube needs to be replaced without the entire board, which reduces maintenance costs and waste and improves the performance and flexibility of the spinneret.

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Abstract

The utility model discloses a high-performance carbon fiber spinneret plate which comprises a fixing plate and a split-charging spinneret mechanism, the split-charging spinneret mechanism comprises a spinneret box of a hollow structure, a partition plate is arranged in the spinneret box, and a plurality of clamping pipe holes are formed in the partition plate and penetrate through the outside of the spinneret box. According to the utility model, the detachable spinneret box is arranged, so that the spinneret pipe blocked in the spinneret box is convenient to disassemble and replace, the maintenance cost is reduced, the spinneret pipe is convenient to connect and fix through the partition plate and the clamping pipe hole, the plastic effect of fiber yarns before being sprayed out is improved through the breather pipe, and the spinneret box is convenient to disassemble and replace. According to the second embodiment of the spinneret plate, the first wire inlet hole, the second wire inlet hole and the third wire inlet hole are formed, the rotating shaft is rotated to drive the adjusting blocking piece to shield the different wire inlet holes, selection of the lengths of different wire inlet cavity channels is achieved, and the performance of the spinneret plate is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of spinnerets, and in particular relates to a high-performance carbon fiber spinneret. Background Art

[0002] Spinneret is a commonly used product in the textile and chemical fiber industry. The spinneret includes a feed surface and a discharge surface. The feed surface is provided with a feed hole, and the discharge surface is provided with a discharge hole. The function of the spinneret is to transform the viscous polymer melt or solution into a thin stream with a specific cross-section through the micropores, and solidify it through a coagulation medium such as air or a coagulation bath to form a filament, that is, it enters from the feed hole and exits through the discharge hole.

[0003] The existing spinneret is mainly an integrated metal plate structure. The spinneret holes of the spinneret in the prior art are punched by a punching device. If a local spinneret hole on the spinneret is blocked or opened, the entire spinneret needs to be replaced, which causes waste and increases production costs. If the entire spinneret is not replaced, the fiber filaments ejected from the locally damaged spinneret holes will become rough and skewed, thereby affecting the quality of the overall fiber cloth.

[0004] In addition, the length of the spinneret cavity of the spinneret in the prior art is fixed as a whole, and a single spinneret cannot select different spinneret cavity lengths for spinning, so modification is required. Utility Model Content

[0005] The utility model aims to provide a high-performance carbon fiber spinneret to solve the technical problem in the prior art that the entire spinneret needs to be replaced when local spinneret holes on the spinneret are blocked or opened.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] In a first aspect, the utility model provides a high-performance carbon fiber spinneret, comprising a fixing plate for connecting to a spinning material delivery tube, and the fixing plate is connected to a plurality of detachable sub-assembly spinning mechanisms for spinning;

[0008] The sub-packaging spinning mechanism comprises a spinning box with a hollow structure, wherein a partition plate is arranged inside the spinning box, and the partition plate is provided with a plurality of clamping tube holes penetrating to the outside of the spinning box, and the clamping tube holes are clamped with a spinning tube for spinning.

[0009] By providing a detachable spinneret box, it is convenient to disassemble and replace the blocked spinneret tube therein, thereby reducing the maintenance cost. By providing a partition plate and a clamping tube hole, it is convenient to connect and fix the spinneret tube.

[0010] Optionally, the fixed plate is provided with a mounting groove for installing a spinneret, the mounting groove is adapted to be snap-fitted with the spinneret, and a snap-fitting cavity is provided at the end of the mounting groove, and a magnetic plate for magnetic connection is provided at the end of the spinneret corresponding to the snap-fitting cavity. The spinneret is integrally embedded in the fixed plate by providing the mounting groove, and the magnetic plate is magnetically connected in the snap-fitting cavity by providing the snap-fitting cavity and the magnetic plate, which is convenient for taking and disassembling.

[0011] Optionally, the partition plate is provided with a rubber limiting ring which is sleeved with each spinneret passing through both sides of the partition plate, and an abutment ring is provided in the clamping tube hole at the bottom of each spinneret box, and the caliber of the abutment ring is adapted to the spinneret hole of each spinneret for spinning. The spinneret is fixed by providing a rubber limiting ring made of elastic material, and the spinneret is fixed by inserting the spinneret into the clamping tube hole at the bottom of the spinneret box, and the abutment ring is provided to adapt to the caliber of the spinneret to enable the spinneret material to enter the spinneret.

[0012] Optionally, the fixed plate is connected to a ventilation pipe for transmitting accelerated drying of the spinneret, and the ventilation pipe is connected to a plurality of ventilation branch pipes connected to each spinneret box, and each of the ventilation branch pipes is inserted between the bottom of each spinneret box and the partition plate. By arranging the ventilation branch pipes to be connected to the partition plate, the silk material in the spinneret can be dried to facilitate the silk shaping.

[0013] In the second aspect, the utility model also provides a high-performance carbon fiber spinneret, comprising a fixed plate for connecting to a spinneret tube, a plug-in column being provided at the end of the fixed plate, the plug-in column being connected to a detachable abutment cylinder, the fixed plate being provided with a wire feeding hole for feeding wire, the abutment cylinder being provided with spinneret holes for outputting wire that are adapted to the number and caliber of the wire feeding holes, the cross-sectional shape of the spinneret holes comprising one of circular, rectangular, triangular and polygonal shapes, and spinneret discharge of wires with different cross-sections can be achieved by setting spinneret holes of different shapes.

[0014] Optionally, the wire feeding hole includes a first wire feeding hole, a second wire feeding hole and a third wire feeding hole, and the first wire feeding hole, the second wire feeding hole and the third wire feeding hole are all arranged as three groups of circular arrays arranged at the wire feeding end of the fixed plate, and the first wire feeding hole, the second wire feeding hole and the third wire feeding hole are respectively arranged as a structure with a gradually decreasing length of the wire feeding cavity.

[0015] Optionally, each group of the first wire feeding hole, the second wire feeding hole and the third wire feeding hole are adapted to the diameter of the spinneret hole provided on the abutting cylinder;

[0016] The wire feeding end of the fixed plate is provided with an adjusting baffle, and the adjusting baffle always blocks the other two groups of wire feeding holes different from the current wire feeding hole. The fixed plate is provided with a rotating shaft for controlling the rotation of the adjusting baffle. The outer periphery of the fixed plate is also provided with a connecting flange for connecting with the conveying spinneret, and the outer periphery of the adjusting baffle is also provided with a sealing ring for sealing. By providing the first wire feeding hole, the second wire feeding hole and the third wire feeding hole and by rotating the rotating shaft to drive the adjusting baffle to block different wire feeding holes, the selection of different wire feeding cavity lengths can be achieved.

[0017] Beneficial effects and advantages of the utility model:

[0018] This high performance carbon fiber spinneret has the following benefits:

[0019] By providing a detachable spinneret box, it is convenient to disassemble and replace the blocked spinneret tube therein, thereby reducing the maintenance cost. By providing a partition plate and a clamping tube hole, it is convenient to connect and fix the spinneret tube.

[0020] The spinneret is integrally embedded and installed in the fixed plate by setting an installation groove, and the magnetic plate is magnetically connected to the clamping cavity by setting a clamping cavity and a magnetic plate, which is convenient for taking and disassembling, and the spinneret is fixed by setting a rubber limiting ring made of elastic material, and the spinneret is fixed by inserting the spinneret into the clamping tube hole at the bottom of the spinneret, and the abutment ring is matched with the caliber of the spinneret to enable the spinneret material to enter the spinneret, and the ventilation branch pipe is set to connect to the partition plate to achieve drying of the silk material in the spinneret for easy silk shaping.

[0021] The selection of different wire feeding cavity lengths can be achieved by setting a first wire feeding hole, a second wire feeding hole and a third wire feeding hole and by rotating the rotating shaft to drive the adjusting baffle to cover different wire feeding holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the wire feeding end structure of the first embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the wire outlet end of the first embodiment of the utility model;

[0024] Figure 3 This is a schematic diagram of a half-section structure of an embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation slot structure of the first embodiment of the utility model;

[0026] Figure 5 This is a schematic structural diagram of a spinneret box according to a first embodiment of the present utility model;

[0027] Figure 6This is a schematic diagram of the wire feeding end structure of the second embodiment of the utility model;

[0028] Figure 7 This is a schematic diagram of the partial explosion structure of the second embodiment of the utility model;

[0029] Figure 8 It is a schematic diagram of the enlarged structure of the wire feeding hole in the second embodiment of the utility model.

[0030] In the figure: 1-fixed plate, 2-installation groove, 3-clamping cavity, 4-ventilation pipe, 5-ventilation branch pipe, 6-sub-packaging spinneret mechanism, 7-spinneret box, 8-magnetic suction plate, 9-partition plate, 10-spinneret, 11-clamping pipe hole, 12-rubber limit ring, 13-abutment ring, 14-spinneret hole, 15-abutment cylinder, 16-first wire feeding hole, 17-second wire feeding hole, 18-third wire feeding hole, 19-rotating shaft, 20-adjusting baffle, 21-plug-in column, 22-connecting flange, 23-sealing ring. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model. Example 1

[0032] like Figures 1 to 5 As shown, this embodiment provides a high-performance carbon fiber spinneret, comprising a fixed plate 1 for connecting to a spinning material delivery tube, and a plurality of detachable spinneret subassembly mechanisms 6 for spinning connected to the fixed plate 1;

[0033] refer to Figure 4 As shown, in this embodiment, the fixing plate 1 is preferably a disc-shaped structure, wherein the fixing plate 1 is provided with a through-mounted mounting groove 2, wherein the mounting grooves 2 are preferably multiple and arranged in a circular array around the center of the fixing plate 1;

[0034] refer to Figure 5 As shown, in this embodiment, the sub-packaging spinneret mechanism 6 includes a spinneret box 7, wherein the spinneret box 7 is preferably a hollow structure and is clamped in the mounting groove 2.

[0035] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, in this embodiment, a snap-in cavity 3 is opened in the mounting groove 2 near the center and the periphery of the fixing plate 1, wherein the snap-in cavity 3 is filled and fitted with a magnetic sheet, and in this embodiment, a magnetic attraction plate 8 is integrally formed at the end of the spinneret 7 corresponding to the snap-in cavity 3, wherein the magnetic attraction plate 8 and the magnetic sheet in the snap-in cavity 3 are magnetically connected to each other, and the volume of the magnetic attraction plate 8 is slightly smaller than the edge of the snap-in cavity 3, so that the operator can manually buckle up and disassemble the spinneret 7. It is worth noting that in this embodiment, in order to increase the connection stability between the spinneret 7 and the fixing plate 1, a detachable connection and increased connection stability can also be achieved by adding a nut in the prior art;

[0036] In the present embodiment, a partition plate 9 is welded inside the spinneret 7 to divide the spinneret 7 into a closed lower layer and an open upper layer, wherein the partition plate 9 of the spinneret 7 is provided with a plurality of clamping tube holes 11 that penetrate through the bottom layer of the spinneret 7 to the outside, and a spinneret 10 is clamped in the clamping tube hole 11 of each spinneret 7 in the present embodiment, wherein rubber limiting rings 12 are fixed on both sides of the partition plate 9 connected to each spinneret 10 to fix the spinneret 10, wherein the rubber limiting ring 12 in the present embodiment is preferably made of rubber in the prior art to form an elastic fixing ring that is glued by glue. Connected on both sides of the partition plate 9, it should be noted that the diameter of the rubber limit ring 12 in this embodiment is slightly smaller than the diameter of the spinneret 10 so as to fix the spinneret 10 inserted therein, and in this embodiment, the clamping tube hole 11 located at the bottom of the spinneret box 7 is also connected with an abutment ring 13, and in this embodiment, the spinneret 10 is provided with a spinneret hole 14 for spinning, and the feed end of the spinneret hole 14 in this embodiment is preferably adapted to the diameter of the abutment ring 13, and the cross-section of the discharge end of the spinneret hole 14 can be set to one of the common structures on the market, such as circle, rectangle, triangle and polygon.

[0037] In this embodiment, the wire inlet end of the fixed plate 1 is connected to a ventilation pipe 4, wherein the ventilation pipe 4 is connected to a plurality of ventilation branch pipes 5 connected to each spinneret box 7, wherein each ventilation branch pipe 5 is inserted between the bottom of each spinneret box 7 and the partition plate 9. In this embodiment, the ventilation pipe 4 preferably has a blowing mechanism in the prior art outside, wherein the blowing mechanism is preferably a blower in the prior art, wherein the wind introduced into the ventilation pipe 4 by the blower is preferably hot air.

[0038] When in use, the viscous polymer melt or solution enters the spinneret 10 at the end of the fixed plate 1 through the spinneret material delivery tube. Under the action of the hot air in the spinneret box 7, the plastic effect of the fiber filaments before being sprayed out is improved, and the spinneret material is plasticized through the spinneret hole 14. When a blockage occurs somewhere therein, the corresponding spinneret box can be disassembled and removed, and the blocked spinneret 10 can be replaced and reinstalled to complete the blockage repair, thereby reducing the overall maintenance cost and improving the performance of the spinneret. Example 2

[0039] refer to Figures 6 to 8 As shown, a high-performance carbon fiber spinneret is provided, including a fixed plate 1 for connecting to a spinning material conveying tube, wherein a plug-in column 21 is installed at the end of the fixed plate 1 by integrated molding or welding technology in the prior art, wherein the plug-in column 21 is connected to a detachable abutment cylinder 15, wherein a plurality of wire feeding holes are provided at the wire feeding end of the fixed plate 1, wherein the abutment cylinder 15 is provided with spinneret holes 14 matching the number and caliber of the wire feeding holes, and in this embodiment, the cross-sectional shape of the spinneret holes 14 preferably includes one of the common structures on the market such as circle, rectangle, triangle and polygon.

[0040] refer to Figure 6 , Figure 7 and Figure 8 As shown, in this embodiment, the wire feeding hole includes a first wire feeding hole 16, a second wire feeding hole 17 and a third wire feeding hole 18, wherein the first wire feeding hole 16, the second wire feeding hole 17 and the third wire feeding hole 18 are all set as three groups of circular arrays arranged at the wire feeding end of the fixed plate 1, and the first wire feeding hole 16, the second wire feeding hole 17 and the third wire feeding hole 18 are sequentially set as a structure with a gradually reduced length of the wire feeding cavity;

[0041] In the present embodiment, the first wire feed hole 16, the second wire feed hole 17 and the third wire feed hole 18 in each group are all adapted to the caliber of the spinneret hole 14 arranged on the abutting cylinder 15, and an adjusting baffle 20 is arranged at the wire feed end of the fixed plate 1 in the present embodiment, wherein the adjusting baffle 20 always abuts and covers the other two groups of wire feed holes which are different from the current wire feed hole. In the present embodiment, a rotating shaft 19 is fixed to the fixed plate 1, wherein the outer periphery of the rotating shaft 19 is connected to the adjusting baffle 20, and in the present embodiment, a connecting flange 22 for connecting to a conveying spinneret material tube is also arranged on the outer periphery of the fixed plate 1, and a sealing ring 23 for sealing is also arranged on the outer periphery of the adjusting baffle 20, wherein the sealing ring 23 preferably adopts a rubber sealing ring in the prior art.

[0042] During use, the operator in this embodiment selects the appropriate wire feeding cavity length of the first wire feeding hole 16, the second wire feeding hole 17 and the third wire feeding hole 18 according to the needs, and drives the adjusting baffle 20 to rotate by rotating the rotating shaft 19 to block the wire feeding hole that does not need to feed wire at present, and discharge the material from the unblocked wire feeding hole, wherein the first wire feeding hole 16, the second wire feeding hole 17 and the third wire feeding hole 18 all correspond to the spinneret hole 14 on the abutment tube 15, and selecting any specification of the wire feeding hole among the first wire feeding hole 16, the second wire feeding hole 17 and the third wire feeding hole 18 can realize the discharge from the spinneret hole 14 of the abutment tube 15, and by selecting the spinneret holes 14 with different cross-sections, the production of spinnerets with different cross-sections can also be realized.

[0043] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

Claims

1. A high-performance carbon fiber spinneret, characterized in that: It comprises a fixed plate (1) for connecting to a spinning material conveying tube, and the fixed plate (1) is connected to a plurality of detachable spinning assembly mechanisms (6) for spinning; The sub-packaging spinning mechanism (6) comprises a spinning box (7) with a hollow structure, a partition plate (9) is arranged inside the spinning box (7), the partition plate (9) is provided with a plurality of clamping tube holes (11) extending through the outside of the spinning box (7), and a spinning tube (10) for spinning is clamped to the clamping tube holes (11).

2. A high performance carbon fiber spinneret according to claim 1, characterized in that: The fixing plate (1) is provided with a mounting groove (2) for mounting a spinneret box (7), the mounting groove (2) is adapted to be snap-fitted with the spinneret box (7), and a snap-fitting cavity (3) is provided at the end of the mounting groove (2), and a magnetic attraction plate (8) for magnetic connection is provided at the end of the spinneret box (7) corresponding to the snap-fitting cavity (3).

3. The high-performance carbon fiber spinneret according to claim 1, characterized in that: The partition plate (9) is provided with a rubber limiting ring (12) which is sleeved with each spinneret (10) penetrating through both sides of the partition plate (9), and a butt ring (13) is provided in the clamping tube hole (11) at the bottom of each spinneret box (7), and the caliber of the butt ring (13) is adapted to the spinneret hole (14) of each spinneret (10) for spinning.

4. The high-performance carbon fiber spinneret according to claim 1, characterized in that: The fixed plate (1) is connected to a ventilation pipe (4) for transmitting accelerated drying of the spinneret, and the ventilation pipe (4) is connected to a plurality of ventilation branch pipes (5) connected to each spinneret box (7), and each ventilation branch pipe (5) is inserted between the bottom of each spinneret box (7) and the partition plate (9).

5. A high-performance carbon fiber spinneret, characterized in that: The invention comprises a fixing plate (1) for connecting with a spinning material conveying tube, wherein a plug-in column (21) is arranged at the end of the fixing plate (1), and a detachable abutment cylinder (15) is connected to the plug-in column (21), the fixing plate (1) is provided with a wire feeding hole for feeding wire, and the abutment cylinder (15) is provided with spinning holes (14) for outputting wire that are matched in number and caliber with the wire feeding holes, and the cross-sectional shape of the spinning holes (14) comprises a circular, rectangular, triangular and polygonal shape.

6. A high performance carbon fiber spinneret according to claim 5, characterized in that: The wire feeding holes comprise a first wire feeding hole (16), a second wire feeding hole (17) and a third wire feeding hole (18); the first wire feeding hole (16), the second wire feeding hole (17) and the third wire feeding hole (18) are all arranged as three groups of circular arrays arranged at the wire feeding end of the fixing plate (1); the first wire feeding hole (16), the second wire feeding hole (17) and the third wire feeding hole (18) are sequentially arranged as structures with gradually decreasing lengths of the wire feeding cavities.

7. A high performance carbon fiber spinneret according to claim 6, characterized in that: Each group of the first wire feeding hole (16), the second wire feeding hole (17) and the third wire feeding hole (18) is adapted to the diameter of the spinneret hole (14) provided on the abutting cylinder (15); The fixed plate (1) is provided with an adjusting baffle (20) at the wire feeding end, and the adjusting baffle (20) always blocks two other groups of wire feeding holes that are different from the current wire feeding holes. The fixed plate (1) is provided with a rotating shaft (19) for controlling the rotation of the adjusting baffle (20). The outer periphery of the fixed plate (1) is also provided with a connecting flange (22) for connecting to a conveying spinneret tube, and the outer periphery of the adjusting baffle (20) is also provided with a sealing ring (23) for sealing.