Fiber spinning filter

Abstract

The utility model discloses a fiber spinning filter which comprises a first cylinder body and a second cylinder body, and the first cylinder body is arranged outside the second cylinder body. A clamping cavity is formed between the barrel I and the barrel II; the filtering assembly is detachably arranged in the second barrel, the filtering assembly comprises a top cover, a filter element and a fixing plate which are sequentially arranged from top to bottom, a closed filtering area is formed between the top cover and the fixing plate, and a plurality of liquid inlet holes corresponding to the filter element in position are formed in the fixing plate; the clamping cavity is filled with a heat exchange medium, and a melt enters the filtering area from the liquid inlet hole and is discharged after being filtered by the filter element. According to the utility model, the cylinder I, the cylinder II and the clamping cavity are arranged, the clamping cavity is filled with the heat exchange medium, and the temperature of the cylinder II is increased through the heat exchange medium, so that melt in filtration is heated, the flowing property of the melt is improved, the accumulation phenomenon caused by unsmooth flowing of the melt is avoided, and the filtration efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fiber spinning production, in particular to a fiber spinning filter. Background Art

[0002] The melt in fiber spinning refers to the liquid material formed after thermoplastic polymers are heated to their molten state. In this state, the polymer chains slide against each other, making the material fluid and easy to process through the spinning equipment.

[0003] The melt is usually filtered through a filter to effectively remove solid impurities, particles and contaminants in the melt that may affect the product. However, if the pore size of the filter is too small or the filtration time is too long, it may cause the melt to flow poorly, resulting in accumulation and affecting the filtration efficiency. Utility Model Content

[0004] The present invention aims to solve the problems in the prior art and proposes the following technical solutions:

[0005] The utility model provides a fiber spinning filter, comprising:

[0006] Cylinder 1 and cylinder 2, wherein cylinder 1 is arranged outside cylinder 2; a clamping cavity is arranged between cylinder 1 and cylinder 2;

[0007] A filter assembly is detachably mounted inside the second cylinder body. The filter assembly comprises a top cover, a filter element, and a fixed plate, which are arranged in sequence from top to bottom. A sealed filter area is formed between the top cover and the fixed plate. The fixed plate is provided with a plurality of liquid inlet holes corresponding to the positions of the filter elements.

[0008] The clamping cavity is filled with heat exchange medium, and the melt enters the filtering area from the liquid inlet hole and is discharged after being filtered by the filter element.

[0009] As a preferred embodiment of the above technical solution, the filter assembly extends into the interior of the second cylinder, the top cover is installed and fixed on the top of the second cylinder, the inner bottom of the second cylinder is set to an arc-shaped inclined shape, the fixed plate abuts against the inner bottom of the second cylinder, and a closed filter area is formed between the top cover and the fixed plate, and a liquid inlet area is formed between the fixed plate and the bottom end of the second cylinder.

[0010] As a preferred embodiment of the above technical solution, it further includes a liquid inlet pipe, which is arranged at the bottom end of the second cylinder body and connects the outside world with the liquid inlet area.

[0011] As a preferred embodiment of the above technical solution, a liquid outlet pipe communicating with the filtration area is further provided on the top of the second cylinder.

[0012] As a preferred embodiment of the above technical solution, a filter screen covering multiple liquid inlet holes is further provided at the bottom end of the fixed plate.

[0013] As a preferred embodiment of the above technical solution, a sealing ring is provided on the outer ring of the fixing plate, and after the fixing plate is installed, the sealing ring abuts against the two inner walls of the cylinder.

[0014] As a preferred embodiment of the above technical solution, the cylinder body 1 is further provided with a medium inlet pipe and a medium outlet pipe connected to the clamping cavity, the medium inlet pipe is arranged at the bottom of the cylinder body 1, and the medium outlet pipe is arranged at the top of the cylinder body 1.

[0015] The beneficial effects of the utility model are:

[0016] The utility model is provided with a cylinder body 1, a cylinder body 2 and a clamping cavity, wherein the clamping cavity is used to fill a heat exchange medium. The heat exchange medium is used to increase the temperature of the cylinder body 2, thereby heating the melt being filtered, improving the flow performance of the melt, avoiding the accumulation phenomenon caused by poor melt flow, and thus improving the filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a schematic structural diagram of the filter in the embodiment;

[0018] Figure 2 Shown is a schematic diagram of a fixed plate and a filter screen in an embodiment;

[0019] Figure numerals: 10, cylinder body 1; 20, cylinder body 2; 30, clamping chamber; 31, medium inlet pipe; 32, medium outlet pipe; 41, top cover; 42, fixing plate; 43, liquid inlet pipe; 44, liquid inlet hole; 45, filter element; 46, liquid outlet pipe; 47, filter screen; 48, sealing ring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0021] Example

[0022] like Figure 1 、 Figure 2 As shown, Figure 1 What is shown is a schematic structural diagram of the filter in the embodiment; Figure 2 Shown is a schematic diagram of a fixed plate and a filter screen in an embodiment;

[0023] The device includes:

[0024] Cylinder 1 10 and cylinder 2 20, cylinder 1 10 is arranged outside cylinder 2 20; a clamping cavity 30 is provided between cylinder 10 and cylinder 2 20;

[0025] The filter assembly is detachably arranged inside the cylinder body 20. The filter assembly includes a top cover 41, a filter element 45 and a fixed plate 42 arranged in sequence from top to bottom. A closed filter area is formed between the top cover 41 and the fixed plate 42. The fixed plate 42 is provided with several liquid inlet holes 44 corresponding to the positions of the filter element 45.

[0026] The clamping cavity 30 is filled with heat exchange medium, and the melt enters the filtration area from the liquid inlet hole 44 and is filtered by the filter element 45 before being discharged.

[0027] The cavity 30 is filled with a heat exchange medium, which increases the temperature of the cylinder 20 through the heat exchange medium, thereby heating the melt being filtered, improving the flow performance of the melt, and avoiding the accumulation of the melt due to poor flow, thereby improving the filtration efficiency;

[0028] The melt enters the filtration area from the liquid inlet 44 of the filtration assembly and is filtered by the filter element 45 before being discharged, thus achieving filtration of the melt.

[0029] like Figure 1 、 Figure 2 As shown, Figure 1 What is shown is a schematic structural diagram of the filter in the embodiment; Figure 2 Shown is a schematic diagram of a fixed plate and a filter screen in an embodiment;

[0030] The filter assembly extends into the interior of the second cylinder 20, the top cover 41 is installed and fixed on the top of the second cylinder 20, the inner bottom of the second cylinder 20 is set to an arc-shaped inclined shape, and the fixed plate 42 abuts against the inner bottom of the second cylinder 20. A closed filter area is formed between the top cover 41 and the fixed plate 42, and a liquid inlet area is formed between the fixed plate 42 and the bottom end of the second cylinder 20.

[0031] Specifically, the top cover 41 is connected and installed to the extended eaves on the top of the second cylinder 20 by bolts. The shape of the fixing plate 42 matches the inner bottom of the second cylinder 20. After the top cover 41 is fixed, the fixing plate 42 abuts against the inner bottom of the second cylinder 20, so that a closed filtering area is formed between the top cover 41 and the fixing plate 42, and a liquid inlet area is formed between the fixing plate 42 and the bottom end of the second cylinder 20.

[0032] It also includes a liquid inlet pipe 43, which is provided at the bottom end of the second cylinder 20 to connect the outside with the liquid inlet area; the top of the second cylinder 20 is also provided with a liquid outlet pipe 46 connected to the filtration area;

[0033] The melt enters the liquid inlet area from the liquid inlet pipe 43 and then enters the filtration area; after being filtered, it is discharged from the liquid outlet pipe 46.

[0034] The bottom end of the fixed plate 42 is also provided with a filter screen 47 covering the plurality of liquid inlet holes 44;

[0035] The filter screen 47 plays a preliminary filtering role before the melt enters the filtering area through the liquid inlet 44, such as filtering out some larger impurities.

[0036] The outer ring of the fixed plate 42 is provided with a sealing ring 48. After the fixed plate 42 is installed, the sealing ring 48 abuts against the inner wall of the cylinder 20. The setting of the sealing ring 48 can ensure the sealing of the filter area.

[0037] The cylinder 10 is also provided with a medium inlet pipe 31 and a medium outlet pipe 32 connected to the clamping chamber 30. The medium inlet pipe 31 is provided at the bottom of the cylinder 10, and the medium outlet pipe 32 is provided at the top of the cylinder 10.

[0038] The medium inlet pipe 31 and the medium outlet pipe 32 respectively play the role of injecting and discharging the heat exchange medium. Specifically, the entry and discharge of the heat exchange medium and the melt can be powered by a pump body in the prior art.

[0039] Working principle: When using this device to filter the melt, the melt enters the liquid inlet area from the liquid inlet pipe 43, then passes through the filter screen 47 and the liquid inlet hole 44 into the filtration area in sequence, and is discharged after being filtered by the filter element 45. By filling the clamping cavity 30 with heat exchange medium, the temperature of the cylinder 20 is increased, thereby heating the melt being filtered, improving the flow performance of the melt and improving the filtration efficiency.

[0040] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A fiber spinning filter, characterized in that: include: Cylinder 1 (10) and cylinder 2 (20), wherein cylinder 1 (10) is arranged outside cylinder 2 (20); a clamping cavity (30) is provided between cylinder 1 (10) and cylinder 2 (20); A filter assembly, the filter assembly is detachably arranged inside the second cylinder (20), the filter assembly comprises a top cover (41), a filter element (45) and a fixed plate (42) arranged in sequence from top to bottom, a closed filter area is formed between the top cover (41) and the fixed plate (42), and a plurality of liquid inlet holes (44) corresponding to the positions of the filter elements (45) are provided on the fixed plate (42); The clamping cavity (30) is filled with a heat exchange medium, and the melt enters the filtering area from the liquid inlet hole (44), is filtered by the filter element (45), and is then discharged.

2. A fiber spinning filter according to claim 1, characterized in that: The filter assembly extends into the interior of the second cylinder (20), the top cover (41) is installed and fixed on the top of the second cylinder (20), the inner bottom of the second cylinder (20) is set to be an arc-shaped inclined shape, the fixed plate (42) abuts against the inner bottom of the second cylinder (20), and a closed filter area is formed between the top cover (41) and the fixed plate (42), and a liquid inlet area is formed between the fixed plate (42) and the bottom end of the second cylinder (20).

3. A fiber spinning filter according to claim 2, characterized in that: It also includes a liquid inlet pipe (43), which is arranged at the bottom end of the second cylinder (20), and the liquid inlet pipe (43) connects the outside world with the liquid inlet area.

4. The fiber spinning filter according to claim 1, characterized in that: The top of the second cylinder (20) is also provided with a liquid outlet pipe (46) communicating with the filtration area.

5. The fiber spinning filter according to claim 2, characterized in that: The bottom end of the fixed plate (42) is also provided with a filter screen (47) covering the plurality of liquid inlet holes (44).

6. The fiber spinning filter according to claim 2, characterized in that: The outer ring of the fixing plate (42) is provided with a sealing ring (48). After the fixing plate (42) is installed, the sealing ring (48) abuts against the inner wall of the second cylinder (20).

7. The fiber spinning filter according to claim 1, characterized in that: The cylinder body (10) is also provided with a medium inlet pipe (31) and a medium outlet pipe (32) connected to the clamping cavity (30), wherein the medium inlet pipe (31) is provided at the bottom of the cylinder body (10), and the medium outlet pipe (32) is provided at the top of the cylinder body (10).

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