Automatic detection silk discharging device for nanofiber preparation

Abstract

The utility model relates to the technical field of fiber production, in particular to an automatic detection yarn outlet device for nanofiber preparation, which comprises a liquid storage tank and an electrostatic spinning device, the electrostatic spinning device comprises two spinning rollers, the spinning rollers are arranged on the inner side of the liquid storage tank, and rotating shafts are fixedly mounted at two ends of each spinning roller. A ceramic insulation sleeve shaft is fixedly installed at the end of the rotating shaft, fluted discs are fixedly installed on the outer side of the ceramic insulation sleeve shaft, a chain is arranged between the two fluted discs in a sleeved mode, a servo motor is arranged at the outer side end of the left fluted disc, and the output end of the servo motor is fixedly connected with the fluted discs. The negative high-voltage electrostatic generator is electrically connected with the spinning roller, an upper supporting plate is arranged on the upper side of the liquid storage tank, and a conductive plate is fixedly installed on the lower side of the upper supporting plate. The electrostatic spinning technology is adopted, the fineness of obtained fiber materials is easy to control, and compared with traditional fiber production equipment, the electrostatic spinning device has the advantages of being simple, easy to operate, diversified and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber production, in particular to an automatic detection wire-exiting device for preparing nanofibers. Background Art

[0002] Nanofiber refers to ultra-fine fibers with unique physical and chemical properties. They are widely used in many fields. Nanofiber technology is an important branch of today's cutting-edge science and technology. Its core lies in the manufacture and use of fibers with extremely small diameters. These fibers exhibit many properties at the nanoscale that traditional materials do not have.

[0003] Reference has been made to the utility model patent with the authorized announcement number CN217579158U, which discloses a spinning device for preparing nanofibers, including a round shell and a hydraulic cylinder, wherein the center of the top surface of the round shell is fixedly connected with the hydraulic cylinder. The utility model is provided with a hydraulic cylinder and a movable mechanism, and the spinning operation can be conveniently realized by the hydraulic cylinder pushing the movable plate to move when in use. When the hydraulic cylinder drives the movable plate to move up, the transfer operation of the raw material can be realized under the action of the pressure difference in the inner cavity of the round shell, which is convenient for realizing the filling and control operation of the raw material, and has a good use effect; by providing a movable shell, a discharge port and a positioning mechanism, the movable shell is rotated according to actual needs when in use, so that the discharge port of a suitable diameter is aligned with the circular hole, and the movable shell is positioned by the positioning mechanism at this time, so that nanofibers of a suitable diameter can be conveniently produced, and the versatility is good.

[0004] The above patent uses the traditional (melt extrusion-stretching method) to produce nanofibers. It is difficult to control the diameter of the fiber to the nanometer level. At the same time, the extremely fine discharge port is prone to clogging in daily production. To solve the above problems, we proposed an automatic detection nanofiber preparation wire discharge device. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes an automatic detection nanofiber preparation wire-exiting device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A filament discharging device for preparing nanofibers with automatic detection comprises a liquid storage tank and an electrostatic spinning device, wherein the electrostatic spinning device comprises two spinning rollers, the spinning rollers are arranged inside the liquid storage tank, rotating shafts are fixedly installed at both ends of the spinning rollers, a ceramic insulating sleeve shaft is fixedly installed at the end of the rotating shaft, a toothed disc is fixedly installed on the outside of the ceramic insulating sleeve shaft, a chain is sleeved between the two toothed discs, a servo motor is arranged at the outer end of the left toothed disc, the output end of the servo motor is fixedly connected to the toothed disc, a negative high-voltage electrostatic generator is installed on the side wall of the liquid storage tank, the negative high-voltage electrostatic generator is electrically connected to the spinning roller, an upper support plate is arranged on the upper side of the liquid storage tank, a conductive plate is fixedly installed on the lower side of the upper support plate, a positive high-voltage electrostatic generator is fixedly installed on the upper side of the upper support plate, the positive high-voltage electrostatic generator is electrically connected to the conductive plate, winding rollers are rotatably installed on both sides of the upper support plate, a structural support plate is arranged on the upper side of the upper support plate, and a hydraulic drive rod is fixedly installed between the structural support plate and the upper support plate.

[0008] Preferably, the rotating shaft is rotatably mounted on the liquid storage tank, and pointed protrusions are evenly distributed on the outer side of the spinning roller.

[0009] Preferably, a support plate is fixedly mounted on the side of the liquid storage tank, and the servo motor is fixedly mounted on the support plate.

[0010] Preferably, four driven telescopic rods are arranged between the structural support plate and the upper support plate.

[0011] Preferably, a first gear is fixedly mounted on the side end of the winding roller, a driving motor is fixedly mounted on the side edge of the upper support plate, and a second gear is fixedly mounted on the output end of the driving motor.

[0012] Preferably, the second gear is meshed with the first gear, and the second gear has less teeth than the first gear.

[0013] Preferably, an air pump is fixedly installed on the upper side of the upper support plate, an air supply pipe is fixedly installed on the output end of the air pump, a pressure equalizing air pipe is connected to the end of the air supply pipe, and lateral nozzles are connected to both sides of the pressure equalizing air pipe.

[0014] Preferably, the pressure-equalizing air pipe is located directly below the conductive plate, and the lateral nozzles are evenly distributed along the outer side of the pressure-equalizing air pipe.

[0015] Compared with the related art, the automatic detection nanofiber preparation wire-exit device proposed by the utility model has the following beneficial effects:

[0016] (1) Electrospinning technology is one of the simplest and most effective methods for producing nanofibers so far. Compared with other methods such as template method, phase separation method, self-assembly method, melt blowing method, etc., it has the advantages of simple equipment, easy operation and diversification. Unlike the traditional spinning process (melt extrusion-stretching method) that forms aggregated polymers by melting or dissolving them and extruding them, the fiber material fineness obtained is difficult to reach the nanometer level.

[0017] (2) The electrospinning device uses electrostatic generators with different polarities to form an electric field, which reduces the voltage requirement while maintaining a sufficient potential difference. The generated jets are more numerous and more stable, which can greatly improve the efficiency of nanofiber preparation.

[0018] (3) By arranging pointed protrusions on the surface of the spinning roller that are radially distributed outward from the axis to generate a jet of electric charge, the electric field distribution can be more uniform compared to the prior art, thereby generating a uniform jet, further improving the yield and quality of the fiber;

[0019] (4) By adjusting the hydraulic drive rod to change the vertical distance between the upper support plate and the spinning roller, the collected nanofibers can have better coating uniformity and can obtain fiber web structures of different shapes; by adjusting the rolling speed of the winding roller, fibers with different porosities can be obtained, so that the prepared nanofibers have higher uniformity and strength;

[0020] (5) Multiple electrospinning devices can be used simultaneously to further increase the output of nanofibers and meet the needs of large-scale preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 1 ;

[0022] Figure 2 A schematic diagram of a partial three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 1 ;

[0023] Figure 3 A schematic diagram of a partial three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 2 ;

[0024] Figure 4 A schematic diagram of a partial three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 3 ;

[0025] Figure 5 Schematic diagram of the three-dimensional structure of the pressure equalizing air pipe.

[0026] In the figure: 1. liquid storage tank; 2. spinning roller; 3. tip protrusion; 4. rotating shaft; 5. ceramic insulating sleeve shaft; 6. gear disc; 7. chain; 8. support plate; 9. servo motor; 10. negative high-voltage electrostatic generator; 11. upper support plate; 12. conductive plate; 13. positive high-voltage electrostatic generator; 14. structural support plate; 15. hydraulic drive rod; 16. driven telescopic rod; 17. winding roller; 18. first gear; 19. driving motor; 20. second gear; 21. air pump; 22. air supply pipe; 23. pressure equalizing air pipe; 24. lateral nozzle. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0028] Reference Figure 1-5 , please refer to Figure 1-Figure 5 ,in, Figure 1 A schematic diagram of the three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 1 ; Figure 2 A schematic diagram of a partial three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 1 ; Figure 3 A schematic diagram of a partial three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 2 ; Figure 4 A schematic diagram of a partial three-dimensional structure of a nanofiber production device for automatic detection proposed in the utility model Figure 3 ; Figure 5A filament discharging device for preparing nanofibers with automatic detection includes: a liquid storage tank 1 and an electrostatic spinning device, the electrostatic spinning device includes two spinning rollers 2, the spinning rollers 2 are arranged inside the liquid storage tank 1, the two ends of the spinning rollers 2 are fixedly installed with rotating shafts 4, the rotating shafts 4 are rotatably installed on the liquid storage tank 1, the outer side of the spinning rollers 2 are evenly provided with pointed protrusions 3, the end of the rotating shaft 4 is fixedly installed with a ceramic insulating sleeve shaft 5, the outer side of the ceramic insulating sleeve shaft 5 is fixedly installed with a toothed disc 6, a chain 7 is sleeved between the two toothed discs 6, a servo motor 9 is arranged at the outer end of the left toothed disc 6, the output end of the servo motor 9 is fixedly connected to the toothed disc 6, and a support plate is fixedly installed on the side of the liquid storage tank 1 8. The servo motor 9 is fixedly mounted on the support plate 8. A negative high-voltage electrostatic generator 10 is mounted on the side wall of the liquid storage tank 1. The negative high-voltage electrostatic generator 10 is electrically connected to the spinning roller 2. An upper support plate 11 is arranged on the upper side of the liquid storage tank 1. A conductive plate 12 is fixedly mounted on the lower side of the upper support plate 11. A positive high-voltage electrostatic generator 13 is fixedly mounted on the upper side of the upper support plate 11. The positive high-voltage electrostatic generator 13 is electrically connected to the conductive plate 12. Winding rollers 17 are rotatably mounted on both sides of the upper support plate 11. A structural support plate 14 is arranged on the upper side of the upper support plate 11. A hydraulic drive rod 15 is fixedly mounted between the structural support plate 14 and the upper support plate 11.

[0029] Through the above-mentioned arrangement, the left side gear disc 6 can be driven to rotate by starting the servo motor 9, and the left side gear disc 6 can synchronously drive the right side gear disc 6 to rotate synchronously through the chain 7, thereby driving the spinning roller 2 arranged on the inner side to rotate, and the negative high-voltage electrostatic generator 10 arranged on the side generates negative high voltage on the spinning roller 2, and the conductive plate 12 arranged on the upper side generates positive high voltage under the action of the positive high-voltage electrostatic generator 13. When the spinning roller 2 rotates, the tip protrusion 3 thereon follows the rotation, and the tip protrusion 3 radiates outward from the axis under the action of the electric charge to generate a jet, thereby generating a uniform jet, driving the raw material liquid in the liquid storage tank 1 to follow the tip jet to move toward the upper support plate 11, thereby generating filamentous fibers.

[0030] In this embodiment, four driven telescopic rods 16 are arranged between the structural support plate 14 and the upper support plate 11 .

[0031] Through the above-mentioned arrangement, the arrangement of the driven telescopic rod 16 makes the upper support plate 11 more stable under the drive of the hydraulic drive rod 15 .

[0032] In this method, a first gear 18 is fixedly installed on the side end of the winding roller 17, a driving motor 19 is fixedly installed on the side of the upper support plate 11, and a second gear 20 is fixedly installed on the output end of the driving motor 19. The second gear 20 is meshed with the first gear 18, and the number of teeth of the second gear 20 is less than that of the first gear 18.

[0033] By the arrangement in the above manner, when the driving motor 19 rotates, the second gear 20 can be driven to rotate, and then the second gear 20 drives the winding roller 17 to rotate through the meshing transmission with the first gear 18, thereby collecting and winding the produced fibers.

[0034] In this method, an air pump 21 is fixedly installed on the upper side of the upper support plate 11, an air supply pipe 22 is fixedly installed on the output end of the air pump 21, a pressure equalizing air pipe 23 is installed at the end of the air supply pipe 22, and lateral nozzles 24 are installed on both sides of the pressure equalizing air pipe 23. The pressure equalizing air pipe 23 is located directly below the conductive plate 12, and the lateral nozzles 24 are evenly distributed along the outer side of the pressure equalizing air pipe 23.

[0035] Through the arrangement in the above manner, when the air pump 21 is started, air is supplied to the pressure equalizing air pipe 23 through the air supply pipe 22, so that air pressure is generated in the pressure equalizing air pipe 23, and then the side nozzles 24 on both sides of the pressure equalizing air pipe 23 blow air to both sides, so that the fiber filaments formed by the jet from the lower spinning roller 2 to the conductive plate 12 are blown and guided to both sides, so that the fiber filaments are transported to the winding rollers 17 on both sides and are wound up.

[0036] The working principle of the automatic detection nanofiber preparation device provided by the utility model is as follows:

[0037] When in use, the negative high-voltage electrostatic generator 10 and the positive high-voltage electrostatic generator 13 are started synchronously, so that the spinning roller 2 and the tip protrusion 3 on the spinning roller 2 generate negative high voltage, and the conductive plate 12 generates positive high voltage at the same time. Then the servo motor 9 is started to drive the inner spinning roller 2 to rotate, and the air pump 21 is started to transport gas to the equalizing air pipe 23, so that the lateral nozzles 24 on both sides of the equalizing air pipe 23 blow air to both sides. Under the rotation of the spinning roller 2, the tip protrusion 3 thereon brings up the raw material liquid in the liquid storage tank 1. At the same time, under the action of the electric field, the tip protrusion 3 generates a uniform jet to the upper side, synchronously brings up the raw material liquid and generates fiber filaments. When the fiber filaments move to the bottom of the conductive plate 12, the blowing effect of the lateral nozzle 24 transports the fiber filaments to the winding rollers 17 on both sides. The winding rollers 17 rotate under the drive of the drive motor 19 to actively wind up the fiber filaments.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A nanofiber production device with automatic detection, characterized in that: It comprises a liquid storage tank (1) and an electrospinning device, The electrostatic spinning device comprises two spinning rollers (2), wherein the spinning rollers (2) are arranged inside a liquid storage tank (1), rotating shafts (4) are fixedly mounted at both ends of the spinning rollers (2), a ceramic insulating sleeve shaft (5) is fixedly mounted at the end of the rotating shaft (4), a toothed disc (6) is fixedly mounted on the outside of the ceramic insulating sleeve shaft (5), a chain (7) is sleeved between the two toothed discs (6), a servo motor (9) is arranged on the outside end of the left toothed disc (6), an output end of the servo motor (9) is fixedly connected to the toothed disc (6), a negative high-voltage electrostatic generator (10) is mounted on the side wall of the liquid storage tank (1), and the negative high-voltage electrostatic generator (10) is fixedly mounted on the side wall of the liquid storage tank (1). The generator (10) is electrically connected to the spinning roller (2); an upper support plate (11) is arranged on the upper side of the liquid storage tank (1); a conductive plate (12) is fixedly installed on the lower side of the upper support plate (11); a positive high-voltage electrostatic generator (13) is fixedly installed on the upper side of the upper support plate (11); the positive high-voltage electrostatic generator (13) is electrically connected to the conductive plate (12); winding rollers (17) are rotatably installed on both sides of the upper support plate (11); a structural support plate (14) is arranged on the upper side of the upper support plate (11); and a hydraulic drive rod (15) is fixedly installed between the structural support plate (14) and the upper support plate (11).

2. The automatic detection nanofiber preparation device according to claim 1, characterized in that: The rotating shaft (4) is rotatably mounted on the liquid storage tank (1), and the outer side of the spinning roller (2) is evenly provided with pointed protrusions (3).

3. The automatic detection nanofiber preparation device according to claim 1, characterized in that: A support plate (8) is fixedly mounted on the side of the liquid storage tank (1), and the servo motor (9) is fixedly mounted on the support plate (8).

4. The automatic detection nanofiber production device according to claim 1, characterized in that: Four driven telescopic rods (16) are arranged between the structural support plate (14) and the upper support plate (11).

5. The automatic detection nanofiber production device according to claim 1, characterized in that: A first gear (18) is fixedly mounted on the side end of the winding roller (17), a driving motor (19) is fixedly mounted on the side edge of the upper support plate (11), and a second gear (20) is fixedly mounted on the output end of the driving motor (19).

6. The automatic detection nanofiber production device according to claim 5, characterized in that: The second gear (20) meshes with the first gear (18), and the number of teeth of the second gear (20) is smaller than that of the first gear (18).

7. The automatic detection nanofiber production device according to claim 1, characterized in that: An air pump (21) is fixedly mounted on the upper side of the upper support plate (11); an air supply pipe (22) is fixedly mounted on the output end of the air pump (21); a pressure equalizing air pipe (23) is connected and mounted at the end of the air supply pipe (22); and lateral nozzles (24) are connected and mounted on both sides of the pressure equalizing air pipe (23).

8. The automatic detection nanofiber production device according to claim 7, characterized in that: The pressure-equalizing air pipe (23) is located directly below the conductive plate (12), and the lateral nozzles (24) are evenly distributed along the outer side of the pressure-equalizing air pipe (23).

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