Gas jet spinning equipment for nanofiber membrane processing

By introducing air-cooled structures and automatic cleaning systems into the air-spray spinning equipment, the equipment cooling and cleaning problems are solved, and the production efficiency of nanofiber membranes and the equipment operation stability are improved.

CN222274807UInactive Publication Date: 2024-12-31QINGDAO UNIV
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Patent Information

Application Number
CN202421115365.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2024-12-31
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing air spray spinning equipment lacks a cooling structure after spinning to the collector, resulting in the inability to cure the fibers quickly, low production efficiency, and lack of automatic cleaning structure, resulting in spinning spilling affecting normal work.

Method used

An air-spray spinning equipment used for nanofiber membrane processing is designed, equipped with an air-cooled structure and an automatic cleaning system, which accelerates fiber curing through semiconductor refrigerators and fans, and uses a servo motor and brush rod to clean the spilled spinning.

Benefits of technology

The curing speed of nanofibers is improved, the production efficiency is improved, and the spinning accumulation is avoided through the automatic cleaning system to affect normal work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air jet spinning device for nanofiber membrane processing, which comprises a deck plate, a vertical frame fixedly connected to the middle of the back of the deck plate, cylinders fixedly mounted on two sides of the top end of the vertical frame, a fixing plate fixedly connected to the bottom ends of the two cylinders, a rotating seat fixedly connected to the middle of the bottom end of the fixing plate, and a rotating shaft fixedly connected to the rotating seat. The inner wall of the rotating seat is rotationally connected with a nozzle through a first bearing, a stepping motor is fixedly installed on the side wall of the rotating seat, a transverse shell is fixedly connected to one side of the top end of the tabletop plate, a servo motor is fixedly installed at one end of the transverse shell, and a displacement cylinder is rotationally connected to the inner wall of the transverse shell through a second bearing. According to the air jet spinning equipment for processing the nanofiber membrane, the air cooling structure is arranged, after nanofiber is jetted to the collector, solidification of the nanofiber can be accelerated, the production efficiency is improved, spun yarn scattered on the table top of the equipment can be cleaned by driving the brush rod to move, and normal work is prevented from being affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of nanofiber membrane processing, in particular to an air jet spinning device used for nanofiber membrane processing. Background Art

[0002] Nanofiber membrane is a thin film structure composed of nanoscale fibers, usually with extremely fine fiber diameter and high specific surface area.

[0003] Nanofiber membranes can be prepared by spray spinning technology, but the existing air-jet spinning equipment used in nanofiber membrane processing has the following disadvantages:

[0004] (1) The existing air-jet spinning equipment lacks a cooling structure for the spinning area after the fibers are spun into the collector, so the fibers cannot be quickly cooled and solidified, resulting in low production efficiency;

[0005] (2) Existing air-jet spinning equipment will spill a lot of spinning onto the table during the jetting period, and lacks an automatic cleaning structure. The accumulation of a lot of spinning will affect normal work. Utility Model Content

[0006] The purpose of the utility model is to provide an air-jet spinning device for use in the processing of nanofiber membranes, so as to solve the problems mentioned in the above background technology that the existing air-jet spinning device lacks a cooling structure for the spinning area after spinning into a collector, the fibers cannot be quickly cooled and solidified, the production efficiency is low, and the air-jet spinning device will spill a lot of spinning onto the table during the spraying period, lacks an automatic cleaning structure, and the accumulation of a lot of spinning will affect normal work.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air-jet spinning device for processing nanofiber membranes, comprising a table panel, a vertical frame is fixedly connected to the middle of the back side of the table panel, cylinders are fixedly installed on both sides of the top of the vertical frame, the bottom ends of the two cylinders are fixedly connected to a fixed plate, the middle of the bottom end of the fixed plate is fixedly connected to a rotating seat, the inner wall of the rotating seat is rotatably connected to a nozzle through a bearing, a stepper motor is fixedly installed on the side wall of the rotating seat, a transverse shell is fixedly connected to one side of the top of the table panel, a servo motor is fixedly installed at one end of the transverse shell, a displacement cylinder is rotatably connected to the inner wall of the transverse shell through a bearing, a brush rod is fixedly connected to the front of the displacement cylinder, a fan is fixedly installed on one side of the top of the transverse shell, and the input end of the fan is fixedly connected to a cooling box.

[0008] When an air-jet spinning device for processing a nanofiber membrane is used in the present technical solution, an air-cooling structure is provided. After the nanofibers are sprayed onto the collector, the solidification of the nanofibers can be accelerated to improve production efficiency. By driving the brush rod to move, the spinning fibers spilled on the equipment surface can be cleaned to avoid affecting normal work.

[0009] As a preferred technical solution of the utility model, the top of the nozzle is fixedly connected with a liquid delivery hose, and the bottom of the nozzle is fixedly connected with an air delivery hose. The liquid delivery hose and the air delivery hose are respectively used to supply the polymer solution and compressed air.

[0010] As a preferred technical solution of the utility model, the output end of the stepper motor passes through the inner wall of the rotating seat and is fixedly connected to the nozzle, and the output end of the servo motor passes through the inner wall of the transverse shell and is fixedly connected to one end of the lead screw. The stepper motor drives the nozzle to rotate to adjust the spray angle.

[0011] As a preferred technical solution of the utility model, a guide rail is fixedly connected to one side of the inner wall of the transverse shell, a guide block is fixedly connected to the back of the displacement cylinder, and the guide block is slidably connected to the surface of the guide rail. The guide block and the guide rail play a guiding role in the movement of the displacement cylinder.

[0012] As a preferred technical solution of the utility model, a switch panel is fixedly installed on one side of the front of the table panel, and the cylinder, stepper motor, servo motor and fan are electrically connected to the external power supply through the switch panel. The operation of the air-jet spinning device is controlled by pressing the switch panel.

[0013] As a preferred technical solution of the utility model, a semiconductor refrigerator is fixedly installed on the side wall of the temperature reduction box. The semiconductor refrigerator is arranged to play a cooling role by utilizing its cooling end.

[0014] As a preferred technical solution of the utility model, an air inlet is provided on the back of the cooling box, and a filter is engaged on the surface of the air inlet to filter dust and fibers in the air.

[0015] As a preferred technical solution of the utility model, the input end of the fan is fixedly connected with a blowing nozzle, which is arranged to blow cold air toward the spinning area.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. After spraying nanofibers onto the collector, the fan and semiconductor refrigerator are started. The cooling end of the semiconductor refrigerator is attached to the cooling box to cool the air inside. The fan blows the cold air to the spinning area, which can accelerate the solidification of nanofibers and improve production efficiency.

[0018] 2. After the air-jet spinning is completed, remove the collector and start the servo motor to drive the screw to rotate. Under the guidance of the guide block and the guide rail, the displacement cylinder and the brush rod can move horizontally, so as to clean the spinning spilled on the equipment table, which is more convenient to clean and avoid affecting normal work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a plan view of the utility model;

[0021] Figure 3 It is a top cross-sectional view of the transverse shell of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the fan of the utility model.

[0023] In the figure: 1. table top; 2. vertical frame; 3. cylinder; 4. fixed plate; 5. rotating seat; 6. nozzle; 7. stepping motor; 8. air supply hose; 9. liquid supply hose; 10. cross shell; 11. servo motor; 12. lead screw; 13. displacement cylinder; 14. brush rod; 15. guide block; 16. guide rail; 17. switch panel; 18. fan; 19. blowing nozzle; 20. cooling box; 21. semiconductor refrigerator; 22. air inlet; 23. filter. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The utility model provides an air-jet spinning device for processing nanofiber membranes, comprising a table panel 1, a vertical frame 2 is fixedly connected to the middle of the back of the table panel 1, cylinders 3 are fixedly installed on both sides of the top of the vertical frame 2, the bottom ends of the two cylinders 3 are fixedly connected to a fixed plate 4, the middle of the bottom end of the fixed plate 4 is fixedly connected to a rotating seat 5, the inner wall of the rotating seat 5 is rotatably connected to a nozzle 6 through a bearing 1 for spraying nanofibers, a stepping motor 7 is fixedly installed on the side wall of the rotating seat 5, a transverse shell 10 is fixedly connected to one side of the top of the table panel 1, a servo motor 11 is fixedly installed at one end of the transverse shell 10, a displacement cylinder 13 is rotatably connected to the inner wall of the transverse shell 10 through a bearing 2, a brush rod 14 is fixedly connected to the front of the displacement cylinder 13 for cleaning, a fan 18 is fixedly installed on one side of the top of the transverse shell 10, and the input end of the fan 18 is fixedly connected to a cooling box 20 for cooling.

[0026] When in use, place the collector on the table panel 1, start the cylinder 3 to drive the nozzle 6 to move downward, spray the polymer solution through the nozzle 6 to form fibers, use the collector to collect the sprayed nanofibers for preparing nanofiber membranes, and start the stepper motor 7 to drive the nozzle 6 to rotate to adjust the spray angle.

[0027] The top of the nozzle 6 is fixedly connected to a liquid supply hose 9, and the bottom of the nozzle 6 is fixedly connected to an air supply hose 8 for supplying solution and compressed air. The output end of the stepper motor 7 passes through the inner wall of the rotating seat 5 and is fixedly connected to the nozzle 6. The output end of the servo motor 11 passes through the inner wall of the transverse shell 10 and is fixedly connected to one end of the lead screw 12 for driving. A guide rail 16 is fixedly connected to one side of the inner wall of the transverse shell 10, and a guide block 15 is fixedly connected to the back of the displacement cylinder 13, and the guide block 15 is slidably connected to the surface of the guide rail 16 to play a guiding role.

[0028] When in use, the polymer solution required for preparing the nanofiber membrane is supplied to the nozzle 6 through the liquid supply hose 9, and compressed air is supplied through the air supply hose 8, thereby the polymer solution can be sprayed to form fibers, the stepper motor 7 is used to drive the nozzle 6 to rotate, and the servo motor 11 is used to drive the lead screw 12 to rotate, and under the guidance of the guide block 15 and the guide rail 16, the displacement cylinder 13 and the brush rod 14 can move horizontally, so as to clean the spinning spilled on the equipment table.

[0029] A switch panel 17 is fixedly installed on one side of the front of the table panel 1. The cylinder 3, stepper motor 7, servo motor 11 and fan 18 are electrically connected to an external power supply through the switch panel 17 to control the operation. A semiconductor refrigerator 21 is fixedly installed on the side wall of the cooling box 20 for cooling. An air inlet 22 is opened on the back of the cooling box 20. A filter screen 23 is engaged with the surface of the air inlet 22 for filtering. A blowing nozzle 19 is fixedly connected to the input end of the fan 18 for blowing air.

[0030] When in use, the external power supply is turned on, and the operation of the air-jet spinning equipment is controlled by pressing the switch panel 17. After spraying the nanofibers onto the collector, the fan 18 and the semiconductor refrigerator 21 are started. The cooling end of the semiconductor refrigerator 21 is attached to the cooling box 20. The fan 18 inhales air from the air inlet 22, and after filtering dust and cooling through the filter 23, the cold air is blown to the spinning area from the blowing nozzle 19, which can accelerate the solidification of the nanofibers.

[0031] When used specifically, the utility model is an air-jet spinning device for processing nanofiber membranes. The collector is placed on a table panel 1, and the cylinder 3 is started to drive the nozzle 6 to move downward. The polymer solution required for preparing the nanofiber membrane is supplied through the liquid supply hose 9, and compressed air is supplied through the air supply hose 8 to spray the polymer solution and form fibers. The collector is used to collect the sprayed nanofibers for preparing the nanofiber membrane. The nozzle 6 is driven to rotate by starting the stepper motor 7 to adjust the spray angle. After spraying the nanofibers onto the collector, Start the fan 18 and the semiconductor refrigerator 21. The cooling end of the semiconductor refrigerator 21 fits with the cooling box 20 to cool the air inside. The fan 18 blows the cold air to the spinning area, which can accelerate the solidification of the nanofibers and improve production efficiency. After the air-jet spinning is completed, remove the collector and start the servo motor 11 to drive the screw 12 to rotate. Under the guidance of the guide block 15 and the guide rail 16, the displacement cylinder 13 and the brush rod 14 can move horizontally, so as to clean the spinning spilled on the equipment table, making cleaning more convenient and avoiding affecting normal work.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air-jet spinning device for nanofiber membrane processing, comprising a table panel (1), characterized in that: A vertical frame (2) is fixedly connected to the middle of the back of the table panel (1), and cylinders (3) are fixedly installed on both sides of the top of the vertical frame (2). The bottom ends of the two cylinders (3) are fixedly connected to a fixed plate (4), and the middle of the bottom end of the fixed plate (4) is fixedly connected to a rotating seat (5). The inner wall of the rotating seat (5) is rotatably connected to a nozzle (6) through a bearing 1, and a stepping motor (7) is fixedly installed on the side wall of the rotating seat (5). A transverse shell (10) is fixedly connected to one side of the top of the table panel (1), and a servo motor (11) is fixedly installed at one end of the transverse shell (10). A displacement cylinder (13) is rotatably connected to the inner wall of the transverse shell (10) through a bearing 2, and a brush rod (14) is fixedly connected to the front of the displacement cylinder (13). A fan (18) is fixedly installed on one side of the top of the transverse shell (10), and the input end of the fan (18) is fixedly connected to a cooling box (20).

2. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: The top of the nozzle (6) is fixedly connected to a liquid delivery hose (9), and the bottom of the nozzle (6) is fixedly connected to an air delivery hose (8).

3. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: The output end of the stepper motor (7) passes through the inner wall of the rotating seat (5) and is fixedly connected to the nozzle (6), and the output end of the servo motor (11) passes through the inner wall of the transverse shell (10) and is fixedly connected to one end of the lead screw (12).

4. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: A guide rail (16) is fixedly connected to one side of the inner wall of the transverse shell (10), a guide block (15) is fixedly connected to the back side of the displacement cylinder (13), and the guide block (15) is slidably connected to the surface of the guide rail (16).

5. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: A switch panel (17) is fixedly mounted on one side of the front of the table panel (1), and the cylinder (3), stepper motor (7), servo motor (11) and fan (18) are electrically connected to an external power supply via the switch panel (17).

6. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: A semiconductor refrigerator (21) is fixedly mounted on the side wall of the temperature reduction box (20).

7. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: An air inlet (22) is provided on the back of the cooling box (20), and a filter screen (23) is engaged on the surface of the air inlet (22).

8. The air-jet spinning device for nanofiber membrane processing according to claim 1, characterized in that: The input end of the fan (18) is fixedly connected with a blowing nozzle (19).