Spinneret plate with film coated on surface

Abstract

The utility model discloses a surface coating spinneret plate which comprises a spinneret plate, and a plurality of evenly distributed spinneret orifices are formed in the top end of the spinneret plate. The device has the beneficial effects that by arranging the first supporting frame, the second supporting frame, the cover plate, the pressing disc, the hole cleaning needle and the pressing assembly, when the spinneret hole is blocked, the interior of the spinneret hole can be rapidly cleaned, meanwhile, through cooperation of the first supporting frame, the second supporting frame and the cover plate, when the hole cleaning needle needs to be used, the cover plate can be closed, and when the hole cleaning needle does not need to be used, the cover plate can be opened; normal use of the spinneret plate is not affected, the pressing assembly can automatically return through cooperation of the reset spring and the pressing rod, personnel can press and use the spinneret plate conveniently, degradation and degradation of a molten polymer passing through the spinneret plate can be avoided by adding a sub-nanoscale oxide film on the outer wall of the spinneret plate and adding a metal thin layer in a spinneret hole, and the spinneret plate is not prone to deformation. And corrosive substances and impurities of the melt can be prevented from damaging the inner surfaces of the spinneret orifices, so that the service life of the spinneret plate is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of spinnerets, in particular to a spinneret with a surface coating. Background Art

[0002] The spinneret is also called the spinning cap. The function of the spinneret is to transform the viscous polymer melt or solution into a thin flow with a specific cross-section through micropores, and solidify it into filaments through a coagulation medium such as air or a coagulation bath. The spinneret can be divided into: 1. Ordinary type, which can be divided into melt-spinning spinneret (whose shape is round, rectangular, and fan-shaped) and wet-spinning spinneret (also called spinneret cap); 2. Special-shaped spinneret, the cross-section of the spun fiber is non-circular; 3. Composite spinneret to manufacture composite fibers. The existing spinneret is easy to clog its spinneret holes during use, resulting in reduced spinning efficiency.

[0003] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a surface coated spinneret to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A surface coated spinneret comprises a spinneret, a plurality of evenly distributed spinneret holes are provided at the top of the spinneret, a sub-nanoscale oxide film is provided on the outer wall of the spinneret, a symmetrically arranged support frame 1 and a support frame 2 are provided at the top of the spinneret, a cover plate is provided on one side of the support frame 1, the cover plate is connected to the support frame 1 through a limiting rotating shaft, a positioning groove is provided at the top of the support frame 2, a positioning block matching the positioning groove is provided on one side of the cover plate, a pressure plate is provided at the top of the cover plate, the pressure plate is connected to the cover plate through a pressing assembly, and a hole cleaning needle matching the spinneret holes is provided at the top of the pressure plate.

[0007] Preferably, the hole cleaning needle is fixedly connected to the pressure plate.

[0008] Preferably, a thin metal layer is provided in the spinneret hole.

[0009] Preferably, the pressing assembly includes a pressure rod provided at the bottom end of the cover plate, a pressure plate is fixedly sleeved on the outer wall of the pressure rod, a return spring is sleeved on the top of the pressure plate and located on the outer wall of the pressure rod, and the top end of the pressure rod passes through the cover plate and is connected to the pressure plate.

[0010] Preferably, the pressure plate is connected to the cover plate via the return spring, and a sliding hole matching the pressure rod is provided on the cover plate.

[0011] Preferably, symmetrically arranged guide frames are provided at the bottom end of the cover plate and on both sides of the pressure plate, guide grooves are provided on the adjacent sides of the two groups of guide frames, and guide sliding blocks matching the guide grooves are provided on both sides of the pressure plate.

[0012] The beneficial effects of the utility model are as follows: by arranging support frame one, support frame two, cover plate, pressure plate, hole cleaning needle and pressing assembly, the inside of the spinneret hole can be quickly cleaned when it is blocked, and at the same time, by cooperating with support frame one, support frame two and cover plate, the cover plate can be closed when the hole cleaning needle is needed, and can be opened when it is not needed, without affecting the normal use of the spinneret; the pressing assembly can automatically return to its position by cooperating with the pressure rod through the return spring, which is convenient for personnel to press and use; by adding a sub-nanoscale oxide film to the outer wall of the spinneret and adding a thin metal layer to the spinneret hole, the degradation and degeneration of the molten polymer passing through the spinneret can be avoided, and the corrosive substances and impurities in the melt can be avoided to damage the inner surface of the spinneret hole, thereby improving the service life of the spinneret. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of a surface coated spinneret according to an embodiment of the utility model;

[0015] Figure 2 This is a right view of a surface coated spinneret according to an embodiment of the utility model;

[0016] Figure 3 yes Figure 1 A local enlarged schematic diagram of the middle A;

[0017] Figure 4 yes Figure 2 A local enlarged schematic diagram of point B in the middle.

[0018] In the figure:

[0019] 1. Spinneret; 2. Spinneret hole; 3. Metal thin layer; 4. Support frame 1; 5. Cover plate; 6. Positioning groove; 7. Positioning block; 8. Pressure plate; 9. Cleaning needle; 10. Pressure rod; 11. Pressure plate; 12. Reset spring; 13. Guide frame; 14. Guide groove; 15. Guide slide block; 16. Support frame 2. DETAILED DESCRIPTION

[0020] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] According to an embodiment of the utility model, a surface-coated spinneret is provided.

[0022] Embodiment 1;

[0023] like Figure 1-4 As shown, the surface coated spinneret according to the embodiment of the utility model includes a spinneret 1, a plurality of evenly distributed spinneret holes 2 are opened at the top of the spinneret 1, a sub-nanoscale oxide film is provided on the outer wall of the spinneret 1, a symmetrically arranged support frame 1 4 and a support frame 2 16 are provided at the top of the spinneret 1, a cover plate 5 is provided on one side of the support frame 1 4, the cover plate 5 is connected to the support frame 1 4 through a limiting rotating shaft, a positioning groove 6 is opened at the top of the support frame 2 16, a positioning block 7 matching the positioning groove 6 is provided on one side of the cover plate 5, a pressure plate 8 is provided on the top of the cover plate 5, the pressure plate 8 is connected to the cover plate 5 through a pressing assembly, and a hole cleaning needle 9 matching the spinneret hole 2 is provided on the top of the pressure plate 8.

[0024] Embodiment 2:

[0025] like Figure 1-4As shown, the surface coated spinneret according to the embodiment of the utility model comprises a spinneret 1, a plurality of evenly distributed spinneret holes 2 are provided at the top of the spinneret 1, a sub-nanoscale oxide film is provided on the outer wall of the spinneret 1, a symmetrically arranged support frame 1 4 and a support frame 2 16 are provided at the top of the spinneret 1, a cover plate 5 is provided on one side of the support frame 1 4, the cover plate 5 is connected to the support frame 1 4 through a limiting rotating shaft, a positioning groove 6 is provided at the top of the support frame 2 16, a positioning block 7 matching the positioning groove 6 is provided on one side of the cover plate 5, a pressure plate 8 is provided at the top of the cover plate 5, the pressure plate 8 is connected to the cover plate 5 through a pressing assembly, and a hole cleaning needle 9 matching the spinneret hole 2 is provided at the top of the pressure plate 8. The hole cleaning needle 9 is fixedly connected to the pressure plate 8. A metal thin layer 3 is provided in the spinneret hole 2. The pressing assembly includes a pressing rod 10 provided at the bottom end of the cover plate 5, a pressing plate 11 is fixedly sleeved on the outer wall of the pressing rod 10, a reset spring 12 is sleeved on the top of the pressing plate 11 and located on the outer wall of the pressing rod 10, and the top end of the pressing rod 10 passes through the cover plate 5 and is connected to the pressing plate 8. The pressing plate 11 is connected to the cover plate 5 through the reset spring 12, and a sliding hole matching the pressing rod 10 is provided on the cover plate 5. A symmetrically arranged guide frame 13 is provided at the bottom end of the cover plate 5 and located on both sides of the pressing plate 11, and a guide groove 14 is provided on the adjacent side of the two groups of the guide frames 13, and guide sliders 15 matching the guide groove 14 are provided on both sides of the pressing plate 11.

[0026] In actual application, when the spinneret hole 2 is blocked, the personnel can rotate the cover plate 5 so that the positioning block on the cover plate 5 is stuck in the positioning groove 6 on the support frame 16, and then the personnel presses the pressure rod 10, the pressure rod 10 drives the pressure plate 8 to move downward, and the pressure plate 8 drives the hole cleaning needle 9 to move downward and insert into the spinneret hole 2. At the same time, the reset spring 12 is in a compressed state, and the personnel releases the pressure rod 10 and the reset spring 12 resets to drive the pressure rod 10 to move upward, and the pressure rod 10 drives the hole cleaning needle 9 to move upward and leave the spinneret hole 2 through the pressure plate 8. By setting the support frame 1 4, the support frame 2 16, the cover plate 5, the pressure plate 8, the hole cleaning needle 9 and the pressing assembly, when the spinneret hole 2 is blocked When it is blocked, the inside can be quickly cleaned. At the same time, through the cooperation of the support frame 1 4, the support frame 2 16 and the cover plate 5, the cover plate 5 can be closed when the hole cleaning needle 9 is needed, and can be opened when it is not needed, without affecting the normal use of the spinneret 1. The pressing assembly can automatically return to its original position through the cooperation of the reset spring 12 and the pressure rod 10, which is convenient for personnel to press and use. By adding a sub-nanoscale oxide film on the outer wall of the spinneret and a thin metal layer in the spinneret hole, the degradation and degeneration of the molten polymer passing through the spinneret can be avoided, and the corrosive substances and impurities in the melt can be avoided. Damage to the inner surface of the spinneret hole caused by damage can be avoided, thereby improving the service life of the spinneret.

[0027] To summarize, with the aid of the above-mentioned technical scheme of the utility model, by arranging support frame 1, support frame 2, cover plate, pressure plate, hole cleaning needle and pressing assembly, the inside of the spinneret hole can be quickly cleaned when it is blocked, and at the same time, through the cooperation of support frame 1, support frame 2 and cover plate, the cover plate can be closed when the hole cleaning needle is needed, and can be opened when it is not needed, without affecting the normal use of the spinneret, and the pressing assembly can automatically return to its position through the cooperation of the reset spring and the pressure rod, which is convenient for personnel to press and use, and by adding a sub-nanoscale oxide film to the outer wall of the spinneret and a thin metal layer in the spinneret hole, the degradation and degeneration of the molten polymer passing through the spinneret can be avoided, and the corrosive substances and impurities in the melt can be avoided to damage the inner surface of the spinneret hole, thereby improving the service life of the spinneret.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A surface coated spinneret, It is characterized in that The invention comprises a spinneret (1), wherein a plurality of evenly distributed spinneret holes (2) are provided at the top of the spinneret (1), a sub-nanoscale oxide film is provided on the outer wall of the spinneret (1), a symmetrically arranged support frame 1 (4) and a support frame 2 (16) are provided at the top of the spinneret (1), a cover plate (5) is provided on one side of the support frame 1 (4), the cover plate (5) is connected to the support frame 1 (4) through a limiting rotating shaft, a positioning groove (6) is provided at the top of the support frame 2 (16), a positioning block (7) matching the positioning groove (6) is provided on one side of the cover plate (5), a pressure plate (8) is provided at the top of the cover plate (5), the pressure plate (8) is connected to the cover plate (5) through a pressing assembly, and a hole cleaning needle (9) matching the spinneret hole (2) is provided at the top of the pressure plate (8).

2. A surface coated spinneret according to claim 1, It is characterized in that The hole cleaning needle (9) is fixedly connected to the pressure plate (8).

3. A surface coated spinneret according to claim 1, It is characterized in that A metal thin layer (3) is provided in the spinneret hole (2).

4. A surface coated spinneret according to claim 1, It is characterized in that The pressing assembly comprises a pressing rod (10) provided at the bottom end of the cover plate (5), a pressing plate (11) is fixedly sleeved on the outer wall of the pressing rod (10), a return spring (12) is sleeved on the top of the pressing plate (11) and located on the outer wall of the pressing rod (10), and the top end of the pressing rod (10) passes through the cover plate (5) and is connected to the pressure plate (8).

5. A surface coated spinneret according to claim 4, It is characterized in that The pressing plate (11) is connected to the cover plate (5) via the return spring (12), and a sliding hole matching the pressing rod (10) is provided on the cover plate (5).

6. A surface coated spinneret according to claim 4, It is characterized in that A symmetrically arranged guide frame (13) is provided at the bottom end of the cover plate (5) and located on both sides of the pressure plate (11); a guide groove (14) is provided on the adjacent side of the two groups of the guide frames (13); and guide sliding blocks (15) matching the guide grooves (14) are provided on both sides of the pressure plate (11).

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