Spinneret cap

Abstract

The utility model discloses a spinneret cap which comprises a bottom plate, the bottom plate is in an arc shape with uniform thickness, the bottom plate comprises a central area and a plurality of spinneret areas, each spinneret area is provided with a plurality of through spinneret holes, non-hole areas are arranged between every two adjacent spinneret areas, and the non-hole areas are communicated with the central area. And the non-porous area is connected with the central area. According to the spinneret cap, due to the fact that the circular-arc-shaped bottom plate is arranged, under the same pressure, the rigidity of the spinneret cap is improved, the strain is small, the arc-shaped area is larger than the plane area, namely, the number of the arranged spinneret holes is increased, and the production efficiency of the spinneret cap is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon fiber field especially relates to practical a spinneret cap. BACKGROUND

[0002] The function of spinneret cap is to change the high polymer melt or solution of sticky flow state into the stream with specific cross section through micro hole, and to form the sliver through solidification medium such as air or solidification bath solidification. According to the different categories and specifications of fiber, there are different specifications, shapes, hole types, materials and the like. The spinneret cap works under high temperature and pressure, requires pressure resistance, corrosion resistance and sufficient mechanical strength, the bottom plate of traditional spinneret cap is flat bottom, is easy to deform after being affected by temperature and liquid during operation, leads to the large outlet hole of the silk, and the effect of silk is not good. SUMMARY

[0003] The main purpose of the utility model is to solve the technical problem in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a spinneret cap, the bottom plate is circular arc shape with uniform thickness, the bottom plate includes central area and a plurality of spinneret areas, a plurality of spinneret holes are arranged on the spinneret area, a non-hole area is arranged between each spinneret area, and the non-hole area is connected with the central area.

[0005] In one embodiment, the central area is circular, the spinneret area is fan-shaped, and a plurality of spinneret areas are uniformly arranged around the central area.

[0006] In one embodiment, the spinneret area is provided with a notch away from one end of the central area, and the notch is connected with the non-hole area.

[0007] In one embodiment, the spinneret area includes two sub-areas, a gap is arranged between the sub-areas in the spinneret area, the gap is distributed without holes, and the width of the gap is smaller than the width of the non-hole area.

[0008] In one embodiment, the bottom plate includes 12 spinneret areas.

[0009] In one embodiment, the height of the bottom plate is 5-20mm, the diameter of the bottom plate is 30-280mm, and the thickness of the bottom plate is 0.3-1.5mm.

[0010] In one embodiment, the spinneret hole is a vertical downward cylindrical shape.

[0011] In one embodiment, the hole spacing of the spinneret hole in each spinneret area is 0.2-1mm.

[0012] In one of the embodiments, the bottom plate is provided with a baffle around the periphery.

[0013] The utility model discloses a circular arc bottom plate, the area of arc is more than the area of plane, the spinning cap of the application is stronger in rigidity, and the strain is small under the same pressure, more spinning holes can be set, the spinning cap can spin more, and the production efficiency of the spinning cap is improved, when the number of spinning holes is unchanged, the non - hole area of the application is more than the spinning cap of the same diameter, and more structural support is provided, and the support is stronger and is not easy to deform, and the non - hole area without spinning hole distribution provides the structure support for the spinning cap, and the spinning cap is not easy to deform. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be seen as the limitation to the range, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0015] Figure 1 It is the front plane schematic diagram of the spinning cap in an embodiment of the utility model;

[0016] Figure 2 It is the side plane schematic diagram of the spinning cap in an embodiment of the utility model;

[0017] Figure 3 It is the three-dimensional structure schematic diagram of the spinning cap in an embodiment of the utility model;

[0018] Figure 4 It is the cross-sectional view of the spinning cap in an embodiment of the utility model;

[0019] Main element symbol explanation:

[0020] 1-bottom plate;2-spinning hole;3-baffle;H-spinning cap height;H-bottom plate height;D-spinning cap diameter;D-bottom plate diameter;T-bottom plate thickness. DETAILED DESCRIPTION

[0021] In order to better understand the above technical scheme, the following will be described in more detail with reference to the drawings Exemplary embodiments of the present disclosure. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to convey the scope of the present disclosure to those skilled in the art.

[0022] It should be understood that the specific embodiments described herein are merely exemplary and do not limit the present application.

[0023] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the coordinate system shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0026] The present application provides a spinneret, referring to Figures 1-4 In an embodiment, the spinneret comprises a bottom plate 1, the bottom plate 1 is a circular arc with uniform thickness, the bottom plate 1 comprises a center area and a plurality of spinning areas, a plurality of through spinning holes 2 are arranged on the spinning area, a non-hole area is arranged between each spinning area, and the non-hole area is connected with the center area.

[0027] The non-hole area refers to no spinning hole 2 distribution, the center area has no hole distribution, Figure 1 The more dense part is the area where the spinning hole 2 is distributed.

[0028] In the present embodiment, by setting the bottom plate 1 in an arc shape, the rigidity of the spinneret under the same pressure is strengthened, and the strain is small. The arc shape has a larger area than a flat surface, and the center area is set to make the center part of the spinneret under the greatest pressure more rigid, providing better structural stability, preventing deformation under high pressure, reducing the frictional resistance of the flow of spinning solution, and reducing the risk of blockage, as the flow path of the fluid in each area is shorter and easier to control. The larger area of the bottom plate 1 in the spinneret allows for more spinneret holes 2 to be set, resulting in more yarns being spun from the spinneret, thereby improving production efficiency. When the number of spinneret holes is unchanged, the non-hole distribution area is larger, which can provide support for the spinneret holes, allowing the spinneret to withstand greater pressure and be less prone to deformation. The non-hole area between each spinning area allows the pressure on the spinneret to be more evenly distributed on each non-hole area, allowing the spinneret to withstand greater pressure and be more stable.

[0029] In one embodiment, referring to Figures 1-4 , the center area is circular, each of the spinning areas is fan-shaped, and a plurality of the spinning areas are evenly arranged around the center area.

[0030] In one embodiment, referring to Figure 1 , 12 spinning areas are regularly distributed on the bottom plate 1. By setting multiple spinning areas, the force on the spinneret plate is evenly distributed, and the yarn is evenly produced. At the same time, the 12 spinning areas form 12 / 6 gaps with uniform thickness, which are distributed without spinneret holes 2, providing structural support for the spinneret, and playing the same role as the reinforcing ribs. In the present application, other numbers of areas can also be set, and all areas are evenly arranged in the bottom plate 1.

[0031] Specifically, the spinneret includes a bottom plate 1, the bottom plate 1 is arc-shaped with uniform thickness, the bottom plate 1 includes a center area and a plurality of spinning areas, a plurality of spinneret holes 2 are provided on each of the spinning areas, a non-hole area is provided between each of the spinning areas, the non-hole area is connected to the center area, the center area is circular, each of the spinning areas is fan-shaped, and a plurality of the spinning areas are evenly arranged around the center area.

[0032] In the present embodiment, the spinning areas are set to be fan-shaped, which is more suitable for the arc-shaped bottom plate 1.

[0033] In one embodiment, referring to Figures 1-4 , the spinning area includes two sub-areas, a gap is provided between the sub-areas in the spinning area, the gap is distributed without holes, and the width of the gap is smaller than the width of the non-hole area.

[0034] Specifically, the spinneret comprises a bottom plate 1, the bottom plate 1 is a circular arc with uniform thickness, the bottom plate 1 comprises a central region and a plurality of spinning regions, a plurality of through spinning holes 2 are arranged on each spinning region, a non-hole region is arranged between each spinning region, the non-hole region is connected with the central region, the central region is circular, each spinning region is fan-shaped, and the plurality of spinning regions are uniformly arranged around the central region, each spinning region comprises two sub-regions, a gap is arranged between the two sub-regions, the gap is non-hole distributed, and the width of the gap is smaller than the width of the non-hole region.

[0035] In the embodiment, by arranging the sub-regions, the distance between the sub-regions is smaller than the distance between the regions, the pressure received in the spinning region is relieved, and the spinneret is more stable.

[0036] In one of the embodiments, referring to Figures 1-4 , the height of the bottom plate 1 is 5-20 mm, the diameter of the bottom plate 1 is 30-280 mm, and the thickness of the bottom plate 1 is 0.3-1.5 mm.

[0037] The height is the distance between the highest surface of the circular arc of the bottom plate 1 and the lowest surface of the bottom plate, for example, h in Figure 4 The diameter is the diameter on the circular plane of the circular arc opening, for example, d in Figure 4 The thickness is the thickness of the bottom plate, for example, t in Figure 4

[0038] Specifically, the spinneret comprises a bottom plate 1, the bottom plate 1 is a circular arc with uniform thickness, the bottom plate 1 comprises a central region and a plurality of spinning regions, a plurality of through spinning holes 2 are arranged on each spinning region, a non-hole region is arranged between each spinning region, the non-hole region is connected with the central region, the central region is circular, each spinning region is fan-shaped, and the plurality of spinning regions are uniformly arranged around the central region, each spinning region comprises two sub-regions, a gap is arranged between the two sub-regions, the gap is non-hole distributed, and the width of the gap is smaller than the width of the non-hole region.

[0039] In one of the embodiments, referring to Figures 1-4 , the spinning hole 2 is a vertical downward cylinder.

[0040] Specifically, the spinneret comprises a bottom plate 1, the bottom plate 1 is a circular arc with uniform thickness, the bottom plate 1 comprises a central region and a plurality of spinning regions, a plurality of through spinning holes 2 are arranged on each spinning region, a non-hole region is arranged between each spinning region, the non-hole region is connected with the central region, the central region is circular, each spinning region is fan-shaped, and the plurality of spinning regions are uniformly arranged around the central region, each spinning region comprises two sub-regions, a gap is arranged between the two sub-regions, the gap is non-hole distributed, and the width of the gap is smaller than the width of the non-hole region.

[0041] The vertical downward of the spinning hole 2 is consistent with the height direction of the spinneret.

[0042] In the embodiment, the vertical downward cylinder-shaped spinning hole 2 is arranged, so that the spinning hole 2 is not affected by the circular arc bottom.

[0043] In one of the embodiments, referring to​Figures 1-4 The hole spacing of the spinning holes 2 in each of the spinning areas is 0.2-1 mm.

[0044] In the present application, the diameter of the spinning holes 2 is 0.01-0.15 mm, and the hole spacing of the spinning holes in the conventional spinneret cap is 0.5-0.6 mm.

[0045] Specifically, the spinneret cap comprises a bottom plate 1, the bottom plate 1 is circular arc-shaped with uniform thickness, a plurality of penetrating spinning holes 2 are regularly distributed on the bottom plate 1, and 12 circular and uniformly distributed areas are arranged on the bottom plate 1.

[0046] In the present embodiment, the hole spacing of the spinning holes 2 in the areas is 0.2-1 mm, so that the production efficiency of the spinneret cap is higher, and the distribution is more suitable for the spinneret cap in the present application.

[0047] In one of the embodiments, referring to Figures 1-4 A baffle 3 is arranged around the bottom plate 1.

[0048] In the present embodiment, the height of the spinneret cap is 15-40 mm, i.e. Figure 4 H in the formula, the diameter of the spinneret cap is 50-300 mm, i.e. Figure 4 D in the formula.

[0049] Specifically, the spinneret cap comprises a bottom plate 1, the bottom plate 1 is circular arc-shaped with uniform thickness, a plurality of penetrating spinning holes 2 are regularly distributed on the bottom plate 1, and 12 circular and uniformly distributed areas are arranged on the bottom plate 1.

[0050] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A spinneret cap, characterized in that, The spinneret includes a base plate, which is a uniformly thick arc shape. The base plate includes a central region and multiple spinneret regions. Each spinneret region is provided with a number of through-holes. A non-hole region is provided between each spinneret region and the non-hole region is connected to the central region.

2. The spinneret cap as described in claim 1, characterized in that, The central region is circular, the spinneret region is fan-shaped, and multiple spinneret regions are evenly arranged around the central region.

3. The spinneret cap as described in claim 2, characterized in that, The end of the spinneret region away from the central region has a notch, and the notch is connected to the non-porous region.

4. The spinneret cap as described in claim 2, characterized in that, The spinneret region includes two sub-regions, and a gap is provided between the sub-regions in the spinneret region. The gap is non-porous, and the width of the gap is smaller than the width of the non-porous region.

5. The spinneret cap as described in claim 1, characterized in that, The base plate includes 12 spinneret zones.

6. The spinneret cap as described in claim 1, characterized in that, The spinneret is a vertically downward cylindrical shape.

7. The spinneret cap as described in claim 1, characterized in that, The spacing between the spinneret holes in each of the spinneret regions is 0.2-1 mm.

8. The spinneret cap as described in claim 1, characterized in that, The height of the base plate is 5-20mm, the diameter of the base plate is 30-280mm, and the thickness of the base plate is 0.3-1.5mm.

9. The spinneret cap as described in claim 1, characterized in that, The base plate is surrounded by baffles.

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