Novel melt filter for functional fiber production

Abstract

The utility model relates to the technical field of functional fiber production, in particular to a novel melt filter for functional fiber production, which comprises a filter cartridge, a discharge port is arranged at the lower end of the filter cartridge, a fourth valve is arranged at the end of the discharge port, and a valve core of the fourth valve is embedded and fixed in the discharge port. The upper end of the filter cartridge is fixedly covered with a cover plate, a sealing bearing is arranged in the middle of the cover plate in a penetrating mode, the joint position of the sealing bearing and the cover plate is fixed through welding, and the inner ring wall of the sealing bearing is in interference fit with a driving shaft. The multi-stage filter screen structure is arranged in the filter cylinder, melt can be filtered for multiple times when entering the filter cylinder, so that impurities are better filtered out, the corresponding spiral pieces are arranged above the filter screens at all stages, when the melt enters and needs to be filtered, enough feeding pressure can be provided, feeding force is provided for each layer, and the feeding efficiency is improved. Therefore, the filtering rate at the corresponding filter screen position is ensured, and gathering and blocking are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to functional fiber production technical field especially relates to a novel melt filter for functional fiber production. BACKGROUND

[0002] Lining paperboard fiber refers to the paperboard material used for the interior padding of luggage, and its main component is cellulose fiber.

[0003] It is widely used in the luggage manufacturing industry because of its good support, durability, and cost-effectiveness.

[0004] It has good rigidity and support, which can effectively protect the items inside the luggage and prevent damage during transportation and storage.

[0005] This kind of luggage fiberboard has strong tensile and compression resistance, and can maintain its shape and performance for a long time.

[0006] This kind of luggage fiberboard is usually derived from sustainably managed forest resources, has good biodegradability and recyclability, and meets modern environmental protection requirements.

[0007] Currently, in order to further improve the strength of the lining fiberboard, some polymer materials are appropriately integrated, and during the processing of these polymer materials, the machine type melting operation is required. In order to avoid the influence of impurities inside the molten polymer on the quality of the later synthesized fiber, the melt needs to be filtered. The conventional melt filter only relies on the feed pressure for melt filtering, and the filtering speed is relatively slow. In addition, in the single filter screen position, it is easy to appear the aggregation and blockage, so it is necessary to improve the feeding pressure of each layer of filter screen position to ensure the efficiency of melt filtering. SUMMARY

[0008] The utility model aims at solving the above-mentioned shortcomings in the prior art and proposes a novel melt filter for functional fiber production.

[0009] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0010] A novel melt filter for functional fiber production is designed, which comprises a filter cartridge. The lower end of the filter cartridge is provided with a discharge port. The end of the discharge port is provided with a fourth valve, and the valve core of the fourth valve is embedded and fixed in the discharge port. The upper end of the filter cartridge is covered and fixed with a cover plate. A sealing bearing is penetrated and arranged at the middle position of the cover plate, and the connection position of the sealing bearing and the cover plate is fixed by welding. The inner ring wall of the sealing bearing is interference-fitted with a driving shaft.

[0011] The inner wall of the filter cartridge is provided with a plurality of annular plates, and the outer wall of the annular plate is tightly sleeved with the inner wall of the filter cartridge, and the annular plate and the filter cartridge are further fixedly assembled by screws, the inner wall of the annular plate is fixedly provided with a shaft sleeve by a support, a filter screen is fixedly embedded between the shaft sleeve and the annular plate, and the inner wall of the shaft sleeve is rotatably sleeved with a driving shaft;

[0012] The surface of the driving shaft is provided with a plurality of groups of spiral pieces, each group of spiral pieces is arranged above each group of filter screens, the spiral pieces are fixedly welded with the driving shaft, and the spiral pieces are tightly sleeved with the filter cartridge.

[0013] In detail, the filter screen is divided into at least three layers, and the three layers of filter screens are made of a metal wire screen, a hollow ceramic filter screen and a metal ceramic composite filter screen from top to bottom.

[0014] In detail, the upper surface of the cover plate is provided with a motor, the motor is internally provided with a rotating shaft for driving, the end of the rotating shaft is fixedly connected with the driving shaft through a shaft coupling, and the outer wall surface of the motor is fixedly installed on the surface of the cover plate through a support.

[0015] In detail, the surface of the cover plate is also provided with a pressure relief valve, and the pressure relief valve is fixedly connected with the cover plate through welding.

[0016] In detail, the upper end of one side of the filter cartridge is provided with a melt inlet, the melt inlet is fixedly connected with the filter cartridge through welding, the melt inlet is provided with a first valve, and the valve core of the first valve is embedded in the melt inlet.

[0017] In detail, the lower end of one side of the filter cartridge is provided with a backwashing interface, the backwashing interface is fixedly connected with the filter cartridge through welding, the backwashing interface is provided with a second valve, and the valve core of the second valve is embedded in the backwashing interface.

[0018] In detail, the upper end of the other side of the filter cartridge is provided with a waste discharge interface, the waste discharge interface is fixedly connected with the filter cartridge through welding, the waste discharge interface is provided with a third valve, and the valve core of the third valve is embedded in the waste discharge interface.

[0019] The design scheme of the utility model has the advantages that, in the application process,

[0020] 1. By arranging a plurality of filter screen structures in the filter cartridge, the melt can be filtered multiple times when entering the filter cartridge, thereby better filtering out impurities, and by arranging corresponding spiral pieces above each level of filter screen, sufficient feeding pressure can be provided when the melt needs to be filtered, and each layer has feeding strength, thereby ensuring the filtering rate at the corresponding filter screen position and avoiding aggregation and blockage.

[0021] 2. Through the backwashing interface, the clean water is sent, then, through the waste discharge interface, the flushing waste is discharged, so that the filter cartridge and the filter screen and the spiral piece at all levels can be quickly flushed, and the operation of workers is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model;

[0023] Figure 2 It is a discharge port bottom schematic view of the utility model;

[0024] Figure 3 It is an internal structure schematic view of the utility model;

[0025] Figure 4 It is a filter screen overhead schematic view of the utility model.

[0026] In the drawing: 10, filter cartridge; 11, discharge port; 12, cover plate; 13, sealing bearing; 14, driving shaft; 15, annular plate; 16, filter screen; 17, shaft sleeve; 18, spiral piece; 20, motor; 21, pressure relief valve; 30, melt inlet; 40, backwashing interface; 50, waste discharge interface. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figures 1-4 A novel melt filter for functional fiber production, comprising a filter cartridge 10, the lower end of the filter cartridge 10 is provided with a discharge port 11, the end of the discharge port 11 is provided with a fourth valve, and the valve core of the fourth valve is embedded and fixed in the discharge port 11, the upper end of the filter cartridge 10 is covered and fixed with a cover plate 12, the middle position of the cover plate 12 is provided with a sealing bearing 13, and the connection position of the sealing bearing 13 and the cover plate 12 is fixed by welding, and the inner ring wall of the sealing bearing 13 is provided with a driving shaft 14 by interference fit;

[0029] The inner wall of the filter cartridge 10 is provided with a plurality of layers of annular plates 15, and the outer ring wall of the annular plate 15 is tightly sleeved with the inner ring wall of the filter cartridge 10, and the annular plate 15 and the filter cartridge 10 are further fixed and assembled by screws, the inner ring wall of the annular plate 15 is fixedly installed with a shaft sleeve 17 through a support, a filter screen 16 is fixedly embedded between the shaft sleeve 17 and the annular plate 15, and the inner wall of the shaft sleeve 17 is rotatably sleeved with the driving shaft 14;

[0030] The surface of the drive shaft 14 is provided with a plurality of groups of spiral blades 18, each group of spiral blades 18 is arranged above each layer of filter screen 16, the spiral blades 18 are welded with the drive shaft 14 and are in close sliding contact with the filter cartridge 10.

[0031] It should be further explained that the filter screen 16 is divided into at least three layers from top to bottom, and the three layers of filter screen 16 are made of metal wire screen, hollow ceramic filter screen and metal ceramic composite filter screen from top to bottom. The metal wire screen is made of sintered metal powder or metal wire mesh, has the characteristics of high strength, high temperature resistance and corrosion resistance, and is suitable for filtering various polymer melts. The hollow ceramic filter screen is made of high-performance ceramic material, has excellent high-temperature resistance and chemical corrosion resistance, and is suitable for filtering high-temperature melts. The metal ceramic composite filter screen combines the advantages of various materials, such as the composite structure of metal and ceramic, providing higher filtering efficiency and service life.

[0032] It should be further explained that the upper surface of the cover plate 12 is provided with a motor 20, the inside of the motor 20 is provided with a driving shaft, the end of the driving shaft is fixedly connected with the drive shaft 14 through a shaft coupling, the outer wall surface of the motor 20 is fixedly installed on the surface of the cover plate 12 through a support, and the motor 20 is a stepping motor type and is connected with a 220V indoor power supply through a wire plug.

[0033] It should be further explained that the surface of the cover plate 12 is also provided with a pressure relief valve 21, the connection position of the pressure relief valve 21 and the cover plate 12 is fixedly connected through welding, which can avoid safety accidents caused by excessive internal pressure during filtering.

[0034] It should be further explained that the upper end of one side of the filter cartridge 10 is provided with a melt inlet 30, the connection position of the melt inlet 30 and the filter cartridge 10 is fixedly connected through welding, a first valve is arranged on the melt inlet 30, the valve core of the first valve is embedded in the melt inlet 30, and the molten fiber material can be injected into the filter cartridge 10.

[0035] It should be further explained that the lower end of one side of the filter cartridge 10 is provided with a backwashing interface 40, the connection position of the backwashing interface 40 and the filter cartridge 10 is fixedly connected through welding, a second valve is arranged on the backwashing interface 40, the valve core of the second valve is embedded in the backwashing interface 40, and when it is necessary to clean the filter cartridge 10, the backwashing interface 40 can be used to inject clean water or detergent to reversely wash the filter screens 16.

[0036] It should be further explained that the upper end of the other side of the filter cartridge 10 is provided with a waste discharge interface 50, the connection position of the waste discharge interface 50 and the filter cartridge 10 is fixedly connected through welding, a third valve is arranged on the waste discharge interface 50, the valve core of the third valve is embedded in the waste discharge interface 50, and the waste liquid can be discharged when the filter cartridge 10 is washed.

[0037] Working mode: when melt filtering is needed, close the valves of backwash interface 40 and waste interface 50, then melt can enter into filter cartridge 10 through melt inlet 30 and open the first valve, at the same time, power of motor 20 is turned on, motor 20 can drive driving shaft 14 to rotate through rotating shaft, so that helical blades 18 in different positions rotate and auxiliary feeding is carried out, feeding pressure when filtering through filter screen 16 is improved, multi-stage filtering is carried out through multi-stage filter screen 16, so that purity of melt fiber is improved, finally, the fourth valve is opened, and discharging can be carried out through discharge outlet 11.

[0038] When filter cartridge 10 needs to be cleaned, the first valve and the fourth valve are closed, the second valve and the third valve are opened, clean water is injected through backwash interface 40, then multi-stage filter screen 16 and helical blades 18 in different positions are washed in reverse, waste is discharged through waste interface 50, and circulation washing can be completed.

[0039] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A new type of melt filter for functional fiber production, comprising a filter cartridge (10), characterized by: The lower end of the filter cartridge (10) is provided with a discharge port (11), the end of the discharge port (11) is provided with a fourth valve, and the valve core of the fourth valve is fixedly embedded in the discharge port (11), the upper end of the filter cartridge (10) is fixedly covered with a cover plate (12), the middle position of the cover plate (12) is provided with a sealing bearing (13) penetratingly, and the connecting position of the sealing bearing (13) and the cover plate (12) is fixed by welding, and the inner ring wall of the sealing bearing (13) is provided with a driving shaft (14) by interference fit. The inner wall of the filter cartridge (10) is provided with a plurality of annular plates (15), and the outer ring wall of the annular plate (15) is tightly fitted with the inner ring wall of the filter cartridge (10), and the annular plate (15) and the filter cartridge (10) are also fixedly assembled by screws, the inner ring wall of the annular plate (15) is fixedly installed with a shaft sleeve (17) through a support, a filter screen (16) is fixedly embedded between the shaft sleeve (17) and the annular plate (15), and the inner wall of the shaft sleeve (17) is rotatably sleeved with the driving shaft (14). The surface of the driving shaft (14) is provided with a plurality of groups of helical blades (18), each group of helical blades (18) is located above each layer of filter screens (16), the helical blades (18) are fixedly welded with the driving shaft (14) and tightly slide with the filter cartridge (10).

2. A novel melt filter for functional fiber production according to claim 1 characterized in that: The filter screen (16) is divided into at least three layers from top to bottom, and the three layers of filter screens (16) are made of metal wire screen, hollow ceramic filter screen and metal ceramic composite filter screen from top to bottom.

3. A novel melt filter for functional fiber production according to claim 1 characterized in that: The upper side of the cover plate (12) is provided with a motor (20), the inside of the motor (20) is provided with a rotating shaft for driving, the end of the rotating shaft is drivingly fixed with the driving shaft (14) through a shaft coupling, and the outer wall surface of the motor (20) is fixedly installed with the surface of the cover plate (12) through a support.

4. A novel melt filter for functional fiber production according to claim 1 characterized in that: The surface of the cover plate (12) is also provided with a pressure relief valve (21) penetratingly, and the connecting position of the pressure relief valve (21) and the cover plate (12) is fixed by welding.

5. A novel melt filter for functional fiber production as claimed in claim 1, wherein: The upper end of one side of the filter cartridge (10) is provided with a melt inlet (30) penetratingly, the melt inlet (30) is fixedly connected with the filter cartridge (10) by welding, a first valve is arranged on the melt inlet (30), and the valve core of the first valve is embedded in the melt inlet (30).

6. A novel melt filter for functional fiber production according to claim 1 characterized in that: The lower end of one side of the filter cartridge (10) is provided with a backwashing interface (40) penetratingly, the backwashing interface (40) is fixedly connected with the filter cartridge (10) by welding, a second valve is arranged on the backwashing interface (40), and the valve core of the second valve is embedded in the backwashing interface (40).

7. A novel melt filter for functional fiber production as claimed in claim 1, wherein: The upper end of the other side of the filter cartridge (10) is provided with a waste discharge interface (50) penetratingly, the waste discharge interface (50) is fixedly connected with the filter cartridge (10) by welding, a third valve is arranged on the waste discharge interface (50), and the valve core of the third valve is embedded in the waste discharge interface (50).

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