Multistage glue distribution plate of spinneret assembly, spinneret assembly and spinning machine

Abstract

This utility model discloses a multi-stage glue-distributing plate, a spinneret assembly, and a spinning machine. The multi-stage glue-distributing plate of the spinneret assembly has progressively distributing channels from the glue inlet to the glue outlet. The glue-distributing plate includes an upper glue-distributing plate and a lower glue-distributing plate that are sealed and connected to each other. The glue-distributing channels are distributed between the upper and lower glue-distributing plates. Following the direction of glue flow, an initial glue inlet channel at the glue inlet branches into multiple branches to form multi-stage branch glue-distributing channels. The cross-sectional area of ​​adjacent different branch glue-distributing channels gradually decreases, but the sum of the total cross-sectional area of ​​all channels remains unchanged. The glue-distributing plate, filter screen, distribution plate, spinneret, inner pressure plate, and outer pressure plate are interconnected as a whole. In this utility model, the multi-stage glue-distributing plate, spinneret assembly, and spinning machine uniformly distribute the glue within the glue-distributing plate through the glue-distributing channel pipelines. The glue has good fluidity without pressure, ensuring that the distance and time for the glue to reach the spinneret orifice of the spinneret are consistent, thus preventing the problem of spinning interruption.

Description

Technical Field

[0001] This utility model relates to the field of spinning machine technology, and in particular to a sizing plate, a spinneret assembly, and a spinning machine having the same. Background Technology

[0002] The spinneret in a spinning machine is a key component in the production of lyocell fibers. Its function is to extrude polymer melt or liquid through micropores to form a fine stream, which, after cooling or solidification, forms nascent fibers. The design and performance of the spinneret directly affect the fiber forming quality, uniformity, and production efficiency.

[0003] Existing spinning machine spinnerets are mainly designed for high-viscosity adhesives such as lyocell, which have poor flowability. If the speed is increased to 38 meters or more during production, a large number of spinning breaks will occur. At the same time, the increased content of methyl methacrylate and the increased viscosity of the adhesive will also cause spinning breakage problems. Utility Model Content

[0004] The technical problem to be solved by this utility model is a multi-stage glue distribution plate for the spinneret assembly, a spinneret assembly and a spinning machine. The glue is evenly distributed in the glue distribution plate through the glue distribution channel pipeline. The glue has good fluidity, so that the distance and time for the glue to reach the spinneret hole of the spinneret plate are consistent, which can prevent the problem of spinning interruption.

[0005] To solve the above-mentioned technical problems, this utility model provides a multi-stage glue-distributing plate for a spinneret assembly, which is used to uniformly distribute glue. From the glue inlet to the glue outlet, there are progressively distributed glue channels. The glue-distributing plate includes an upper glue-distributing plate and a lower glue-distributing plate that are sealed and connected to each other. The glue-distributing channels are distributed between the upper glue-distributing plate and the lower glue-distributing plate. Following the direction of glue flow, an initial glue inlet channel at the glue inlet branches into multiple branches to form a multi-stage branch glue-distributing channel. The cross-sectional area of ​​adjacent different branch glue-distributing channels gradually decreases.

[0006] Furthermore, the initial glue inlet channel at the glue inlet is a single channel located at the outer edge of the progressive glue distribution channel, and multiple glue outlets are located on the central circle line of the width of the progressive glue distribution channel.

[0007] Furthermore, the relationship between the dispensing channels of two adjacent tributaries is as follows: x n＝ kx n-1 ;

[0008] Where: n is the branch order number, k is the branch multiple, n is an integer ≥ 0, x n The number of glue dispensing channels is denoted as n = 0 and x0 = 1, indicating that the initial number of glue dispensing channels at the glue inlet is equal to 1.

[0009] Furthermore, the number of branch sequences n = 5 and k = 2.

[0010] Furthermore, the branching points of two adjacent different branch dispensing channels are evenly divided by a 360-degree circle and a multiple of n.

[0011] Furthermore, the branching direction of the tributary dispensing channel is formed by extending in an arc shape from the origin of the evenly distributed point in opposite directions to the left and right.

[0012] This utility model also discloses a spinneret assembly, including a glue-distributing plate, wherein the glue-distributing plate, filter screen, distribution plate, spinneret, inner pressure plate and outer pressure plate are connected to each other as a whole, and the glue-distributing channels of the glue-distributing plate are fixedly connected to the edges of the outer pressure plate and the inner pressure plate through through holes on the inner and outer circles. The filter screen, distribution plate and spinneret are housed in the cavity formed by the glue-distributing plate, the outer pressure plate and the inner pressure plate.

[0013] Furthermore, an annular heat-insulating spinning box is provided on its outer side. The box is provided with an inner ring, a heat insulation layer, a heat insulation layer and a suction hood in sequence from the inside to the outside. The heat insulation layer is connected to a heat-insulating water inlet and outlet.

[0014] Furthermore, the heat insulation layer is filled with heat insulation material, and the air suction hood is a hood with the air outlet facing downwards, and the inner ring is provided with a guide key for installing the spinning assembly.

[0015] This utility model also discloses a spinning machine with a spinneret assembly.

[0016] The technical advantages of this utility model are as follows: The multi-stage dispensing plate, the nozzle assembly, and the spinning machine of this utility model allow the glue to be evenly distributed after being branched multiple times in the dispensing plate through dispensing channels. The glue has good fluidity, which ensures that the distance and time for the glue to reach the spinneret orifice of the spinneret are consistent, thus preventing the problem of spinning interruption.

[0017] The spinning box body with external insulation of the spinneret assembly of this utility model is arranged from the inside out as an inner ring, insulation layer, heat insulation layer and suction hood. Its function is to use heat-insulating water for internal insulation, which has a good heat preservation effect, saves energy and has a compact structure. Attached Figure Description

[0018] Figure 1 This is a front view of the upper adhesive plate of this utility model;

[0019] Figure 2 This is a perspective view of the upper adhesive plate of this utility model;

[0020] Figure 3 This is a cross-sectional schematic diagram of the upper adhesive plate of this utility model;

[0021] Figure 4 This is a front view of the lower adhesive plate of this utility model;

[0022] Figure 5This is a perspective view of the lower adhesive plate of this utility model;

[0023] Figure 6 This is a cross-sectional schematic diagram of the lower adhesive plate of this utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the glue separation plate of this utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the glue separation plate of this utility model;

[0026] Figure 9 This is a schematic diagram of the nozzle assembly of this utility model;

[0027] Figure 10 This is a schematic diagram of the structure of the spinning box of this utility model. Figure 1 ;

[0028] Figure 11 This is a schematic diagram of the structure of the spinning box of this utility model. Figure 2 .

[0029] Figure 12 yes Figure 10 A top view of the spinning box. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] like Figures 1-9 As shown, this utility model discloses a multi-stage dispensing plate 1 for a spinneret assembly, used to evenly distribute adhesive from the inlet 11 to the outlet 12. It is provided with a series of dispensing channels. The dispensing plate 1 consists of two interconnected parts: an upper dispensing plate 1a and a lower dispensing plate 1b. The dispensing channels are distributed on the opposite surfaces between the upper and lower dispensing plates 1a and 1b. Typically, the upper and lower halves of the dispensing channels are joined together to form a sealed dispensing channel. Following the direction of adhesive flow, the channel gradually branches from an initial inlet channel located at the inlet 11. Each branch adds one more level of branching, and after multiple branches, a multi-stage branch dispensing channel is formed. Compared to the previous level, the cross-sectional area of ​​the next level branch dispensing channel gradually decreases. The initial inlet channel at the adhesive inlet is a single channel located at the outer edge of the series dispensing channels. Finally, the multiple outlets are located on the center line of the width of the series dispensing channels.

[0035] The relationship between two adjacent branch dispensing channels is: x n＝ kx n-1 ;

[0036] Where: n is the branch order number, k is the branch multiple, n is an integer ≥ 0, x n The number of glue dispensing channels is denoted as n = 0 and x0 = 1, indicating that the initial number of glue dispensing channels at the glue inlet is equal to 1.

[0037] The above technical features will be further described in detail below with reference to the embodiments.

[0038] In this embodiment, the branching multiple k = 2, indicating that there are two branching dispensing channels each time, and the branching sequence number n = 5, indicating that there are a total of 5 branches. There are 2 outlet ports out of 12. 5 = 32, evenly spaced at 360 degrees, progressively dispensing channels. The diameter of the 12 dispensing orifices is calculated and set according to the actual pressure and speed. This is common knowledge and will not be described in detail in this embodiment.

[0039] First, determine the branch point 12 of two adjacent different branch dispensing channels. The branch point 12 needs to be the point of equal division by dividing the 360-degree circle by the multiple n. This way, the position of the branch can be selected to ensure that the final dispensing outlet 12 is evenly distributed.

[0040] like Figure 1 As shown in the diagram, when the branching order number n = 0, the number of dispensing channels x0 = 1, indicating that the initial dispensing channel is one without branches, and the branching point is 360 / 1 = 360 degrees. Dispensing port 11 represents the 0th branch. When n = 1, the number of dispensing channels x0 = 2, indicating that dispensing occurs at dispensing port 11, and the first branching occurs, resulting in 2 dispensing channels. These two channels extend in opposite directions along the circumference, forming the first dispensing channel 13 and the first dispensing channel 14, with their endpoints forming the second branching points 2 and 3.

[0041] Please refer to Table 1 below for specific parameters.

[0042] 2 0 1 0 2 1 2 360 degrees / 2 2 2 4 360 degrees / 4 2 3 8 360 degrees / 8 2 4 16 360 degrees / 16 2 5 32 360 degrees / 32

[0043] Table 1

[0044] From the values ​​in the table above, we can see that when the branch sequence number n = 2 and the number of dispensing channels x0 = 4, the branch point is 360 / 2 = 180 degrees, indicating that dispensing begins at the second branch point 2 and the second branch point 3. At the 180-degree position, the first dispensing channel 13 and the first dispensing channel 14 extend in opposite directions along the circumference to form the second dispensing channel 15, the second dispensing channel 16, the second dispensing channel 17, and the second dispensing channel 18, a total of 4 dispensing channels. The ends of the dispensing channels form 4 third branch points 4. When the branch sequence number n = 3, the third branch point 4 is located at 90 degrees, the number of dispensing channels x0 = 8, and 8 third dispensing channels 40 are formed. Similarly, when n=4, 16 fourth glue-dispensing channels 50 are formed at the fourth branch point 5; when n=5, 32 fourth glue-dispensing channels 60 are formed at the fourth branch point 6. Each fourth glue-dispensing channel 60 has 32 glue outlets 12 at its end, evenly distributed on a central circle with a 360-degree annular width. Around these outlets 12, the branching directions differ depending on whether the branching order is odd or even, with the direction facing or away from the center of the circle, ensuring that the outlet 12 is located at the center of the annular width, thus forming a branching pattern from the outer edge to the inner center.

[0045] Dispensing channels are evenly distributed on the upper dispensing plate 1a and the lower dispensing plate 1b. The dispensing channels on both the upper and lower dispensing plates 1a and 1b are divided into two semi-circular grooves that are joined together. The branching directions of the branch dispensing channels are formed by extending in an arc from the origin of the evenly distributed point in opposite directions to the left and right.

[0046] like Figure 9As shown, this utility model discloses a spinneret assembly 2a, which includes a glue distribution plate 1. The glue from the glue distribution plate 1 falls into the glue storage chamber 20. The glue distribution plate 1, filter screen 21, distribution plate 22, spinneret 23, inner pressure plate 25 and outer pressure plate 24 are connected to each other as a whole. The inner and outer edges of the progressive glue distribution channels of the glue distribution plate 1 are fixedly connected to the edges of the outer pressure plate 24 and the inner pressure plate 25 through through holes 27, respectively. The filter screen 21, distribution plate 22 and spinneret 23 are housed in the cavity formed by the glue distribution plate 1, the outer pressure plate 24 and the inner pressure plate 25.

[0047] like Figures 10-12 As shown, an annular heat-insulating spinning box 30 is also provided on its outer side. The box 30 is provided with an inner ring 301, a heat insulation layer 302, a heat insulation layer 303 and a suction hood 304 in sequence from the inside to the outside. The heat insulation layer 302 is connected to a heat insulation water inlet 3031 and a heat insulation water outlet 3032.

[0048] The heat insulation layer 303 is filled with heat insulation material, and the air suction hood 304 is a hood with the air outlet facing downwards, connected to the air suction port 3041 and the air outlet 3042.

[0049] The inner ring 301 of the spinning box 30 is provided with a guide key 311 for installing the spinning assembly 2a, and also with a mounting rod 312. The guide key 311 and the mounting rod 312 are used to fix the spinning assembly 2a. The side wall of the spinning box 30 has an inlet 310 for connecting the spinneret assembly 2a to input the adhesive liquid.

[0050] The spinning machine of this invention has the above-mentioned spinneret assembly.

[0051] The above-described embodiments are merely preferred embodiments provided to fully illustrate the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the scope of protection of the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. A multi-stage glue-distributing plate for a spinneret assembly, characterized in that, A series of glue-distributing channels are provided from the glue inlet to the glue outlet. The glue-distributing plate includes an upper glue-distributing plate and a lower glue-distributing plate that are sealed and connected to each other. The glue-distributing channels are distributed between the upper glue-distributing plate and the lower glue-distributing plate. Following the direction of glue flow, an initial glue inlet channel at the glue inlet branches into multiple levels of branch glue-distributing channels. The cross-sectional area of ​​each level of branch glue-distributing channel gradually decreases compared to the previous level. The cross-sectional area of ​​the initial glue inlet channel is equal to the sum of the total cross-sectional areas of each level of branch glue-distributing channel.

2. The multi-stage glue-separating plate of the spinneret assembly according to claim 1, characterized in that, The initial glue inlet is a single channel located at the outer edge of the annular glue dispensing channel, and multiple glue outlets are located on the central circle of the width of the annular glue dispensing channel.

3. The multi-stage glue-separating plate of the spinneret assembly according to claim 1, characterized in that, The relationship between the two adjacent branch dispensing channels is as follows: x n= kx n-1 ; in: n The number of branches. k Branching multiples n Integers ≥ 0 x n This represents the number of dispensing channels. When n=0, x When 0=1, it means that the initial number of glue inlet channels is equal to 1.

4. The multi-stage glue-separating plate of the spinneret assembly according to claim 1, characterized in that, Branching multiples k =2.

5. The multi-stage glue-separating plate of the spinneret assembly according to claim 4, characterized in that, The branching point of two adjacent different branch dispensing channels is a 360-degree circle and a multiple thereof. n The points where the division is equal.

6. The multi-stage glue-distributing plate of the spinneret assembly according to claim 1, characterized in that, The branching direction of the dispensing channel is formed by extending in an arc shape from the origin along opposite directions to the left and right.

7. A spinneret assembly, comprising the multi-stage glue separator as described in any one of claims 1 to 6, characterized in that, The glue-dispensing plate, filter screen, distribution plate, spinneret, inner pressure plate, and outer pressure plate are interconnected as a whole. The glue-dispensing channels of the glue-dispensing plate are fixedly connected to the edges of the outer and inner pressure plates through through holes on the inner and outer circles. The filter screen, distribution plate, and spinneret are housed in the cavity formed by the glue-dispensing plate, the outer pressure plate, and the inner pressure plate.

8. The spinneret assembly according to claim 7, characterized in that, It is also equipped with a ring-shaped heat-insulating spinning box on the outside. The box is arranged from the inside to the outside as an inner ring, a heat insulation layer, a heat insulation layer and a suction hood. The heat insulation layer is connected to a heat-insulating water inlet and outlet.

9. The spinneret assembly according to claim 8, characterized in that, The heat insulation layer is filled with heat insulation material, and the air suction hood is a hood with the air outlet facing downwards, and the inner ring is provided with a guide key for installing the spinning assembly.

10. A spinning machine, characterized in that, Includes the spinneret assembly as described in any one of claims 7 to 9.

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