Uniform dispersion mechanism for production of electrospinning nanofiber membrane

Abstract

The utility model relates to the technical field of nanofiber membrane production, and particularly discloses a uniform dispersion mechanism for electrospinning nanofiber membrane production, which comprises a bottom plate and a dispersion unit, the dispersion unit comprises a storage tank, a feeding hopper, a first motor, a rotating roller, a plurality of stirring rods, a moving plate, a transfer tank, a conveying pipe, a water pump, a plurality of groups of spraying components and a moving component, the rotating roller is fixedly connected with the output end of the first motor, the multiple stirring rods are fixedly connected with the rotating roller, the moving assembly is arranged on the upper surface of the bottom plate, the moving plate is in threaded fit with the moving assembly, the transfer tank is fixedly connected with the moving plate, one end of the conveying pipe is fixedly connected with the storage tank, and the other end of the conveying pipe is fixedly connected with the transfer tank. The water pump is arranged at one end of the conveying pipe, the multiple sets of spraying assemblies are all arranged on the outer side of the transfer tank, through the arrangement, the concentration of polymer solutions sprayed out of the nozzles is consistent, and therefore fibers are evenly dispersed.

Description

Technical Field

[0001] The utility model relates to the technical field of nanofiber membrane production, in particular to a uniform dispersion mechanism for producing electrospun nanofiber membranes. Background Art

[0002] Electrospinning is a special fiber manufacturing process that uses a nozzle to spray a polymer solution in a strong electric field. Under the action of the electric field, the droplets at the nozzle will change from a sphere to a cone, and extend from the tip of the cone to obtain fiber filaments. In this way, polymer filaments with a diameter of nanometers can be produced.

[0003] However, in the above-mentioned prior art, since the polymer solution is easily deposited, the concentration of the polymer solution sprayed out from the nozzle is different, thereby causing uneven distribution of fibers. Utility Model Content

[0004] The purpose of the utility model is to provide a uniform dispersion mechanism for the production of electrospun nanofiber membranes, aiming to solve the technical problem in the prior art that the polymer solution is easy to deposit, resulting in different concentrations of the polymer solution sprayed from the nozzle, thereby causing uneven fiber distribution.

[0005] To achieve the above-mentioned purpose, the utility model adopts a uniform dispersion mechanism for the production of electrospun nanofiber membranes, comprising a base plate and a dispersion unit, wherein the dispersion unit comprises a storage tank, a feeding hopper, a first motor, a roller, multiple stirring rods, a movable plate, a transfer tank, a delivery pipe, a water pump, multiple groups of spray components and a movable component, the storage tank is fixedly connected to the base plate and is located on the upper surface of the base plate, the first motor is arranged on the upper surface of the storage tank, the roller is fixedly connected to the output end of the first motor, multiple stirring rods are fixedly connected to the roller, the feeding hopper is arranged on the upper surface of the storage tank, the movable component is arranged on the upper surface of the base plate, the movable plate is threadedly engaged with the movable component, the transfer tank is fixedly connected to the movable plate, one end of the delivery pipe is fixedly connected to the storage tank, and the other end of the delivery pipe is fixedly connected to the transfer tank, the water pump is arranged at one end of the delivery pipe, and multiple groups of spray components are arranged on the outside of the transfer tank.

[0006] Each group of the spray assemblies includes a water pipe, a nozzle and a solenoid valve. One end of the water pipe is fixedly connected to the transfer tank, and the other end of the water pipe is fixedly connected to the nozzle. The solenoid valve is arranged in the middle of the water pipe.

[0007] Among them, the moving assembly includes two vertical plates, a screw rod, a dual-axis motor, a driving wheel, a guide piece and a mixing piece. The two vertical plates are fixedly connected to the base plate. The screw rod passes through the moving plate and is threaded with the moving plate. The two ends of the screw rod are respectively rotatably connected to the two vertical plates. The output ends of the dual-axis motor are respectively fixedly connected to the screw rod and the driving wheel. The guide piece is fixedly connected to the moving plate. The mixing piece is arranged at the upper end of one of the vertical plates.

[0008] Among them, the guide member includes a slide plate and a guide rod. The slide plate is fixedly connected to the movable plate and is located on the lower surface of the movable plate. The guide rod passes through the slide plate and is slidingly connected to the slide plate. The two ends of the guide rod are respectively fixedly connected to the two vertical plates.

[0009] In which, the mixing element includes an L-shaped plate, a sliding rod, a cylinder, two limiting rings, a stirring element and a rotating element. The L-shaped plate is fixedly connected to one of the vertical plates, the cylinder passes through the L-shaped plate and is rotatably connected to the L-shaped plate, the two limiting rings are respectively sleeved on the outside of the cylinder, one end of the sliding rod is fixedly connected to the stirring element, the other end of the sliding rod passes through the cylinder and is slidably connected to the cylinder, and the rotating element is arranged on the outside of the cylinder.

[0010] Wherein, the rotating member includes a driven wheel and a belt. The driven wheel is fixedly connected to the cylinder and is located outside the cylinder. The belt is respectively sleeved on the outside of the driving wheel and the driven wheel.

[0011] Among them, the stirring element includes a round rod, multiple mixing rods and two sealing rings. One end of the round rod is fixedly connected to the sliding rod, and the other end of the round rod is inserted into the interior of the transfer tank. Multiple mixing rods are fixedly connected to the round rod, and the two sealing rings are both sleeved on the outside of the round rod.

[0012] Among them, the uniform dispersion mechanism for producing electrospun nanofiber membranes also includes a frame, glass and two sets of mounting components. The frame passes through the storage tank and is fixedly connected to the storage tank. The glass is arranged inside the frame, and the two sets of mounting components are symmetrically arranged on the lower surface of the base plate.

[0013] Each group of the mounting components includes a connecting plate and a mounting plate, one end of the connecting plate is fixedly connected to the base plate, and the other end of the connecting plate is fixedly connected to the mounting plate.

[0014] Wherein, the mounting plate has two circular holes.

[0015] The utility model discloses a uniform dispersion mechanism for producing electrospun nanofiber membranes, wherein the roller is fixedly connected to the output end of the first motor, the plurality of stirring rods are fixedly connected to the roller, one end of the delivery pipe is fixedly connected to the storage tank, and the other end of the delivery pipe is fixedly connected to the transfer tank. When in use, the polymer solution is put into the storage tank from the feeding hopper, and then the first motor is started. The output end of the first motor drives the roller to rotate, and the roller drives the plurality of stirring rods to rotate, thereby stirring the polymer solution to prevent the polymer solution from sedimentation. Then, the water pump is started to transport the polymer solution from the storage tank to the transfer tank through the delivery pipe, and then the polymer solution is sprayed out through multiple groups of spray assemblies. Under the action of a strong electric field, the polymer solution is formed into fiber filaments. Then, the movable assembly drives the movable plate to move, and the movable plate drives the transfer tank to move, so that the fiber filaments are evenly dispersed and laid to form a fiber membrane. This method can effectively solve the problem in the prior art that the polymer solution is easy to sediment, resulting in different concentrations of the polymer solution sprayed from the nozzle, thereby causing uneven fiber distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural diagram of the first embodiment of the present utility model.

[0018] Figure 2 It is a three-dimensional diagram of the first embodiment of the present utility model.

[0019] Figure 3 It is a sectional view of the overall structure of the first embodiment of the present utility model.

[0020] Figure 4 It is a partial structural diagram of the first embodiment of the present utility model.

[0021] Figure 5 It is a structural diagram of the second embodiment of the present utility model.

[0022] 101-bottom plate, 102-storage tank, 103-feeding hopper, 104-first motor, 105-roller, 106-stirring rod, 107-moving plate, 108-transfer tank, 109-delivery pipe, 110-water pump, 111-water pipe, 112-nozzle, 113-solenoid valve, 114-vertical plate, 115-screw, 116-dual-axis motor, 117-driving wheel, 118-slide plate, 119-guide rod, 120-L-shaped plate, 121-sliding rod, 122-cylinder, 123-limiting ring, 124-driven wheel, 125-belt, 126-round rod, 127-mixing rod, 128-sealing ring, 201-frame, 202-glass, 203-connecting plate, 204-mounting plate, 205-round hole. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0024] The first embodiment of this application is:

[0025] See also Figures 1 to 4 ,in Figure 1 This is a schematic structural diagram of the first embodiment of the present invention. Figure 2 This is a perspective view of the first embodiment of the present invention. Figure 3 This is a cross-sectional view of the overall structure of the first embodiment of the present utility model. Figure 4 It is a partial structural diagram of the first embodiment of the present utility model.

[0026] The utility model provides a uniform dispersion mechanism for the production of electrospun nanofiber membranes, comprising a bottom plate 101 and a dispersion unit, wherein the dispersion unit comprises a storage tank 102, a feeding hopper 103, a first motor 104, a roller 105, a plurality of stirring rods 106, a moving plate 107, a transfer tank 108, a delivery pipe 109, a water pump 110, a plurality of spray components and a moving component, each group of the spray components comprises a water pipe 111, a nozzle 112 and a solenoid valve 113, and the moving component comprises two vertical plates 114, a screw rod 115, a dual-axis motor 116, a main The driving wheel 117, the guide member and the mixing member, the guide member includes a slide plate 118 and a guide rod 119, the mixing member includes an L-shaped plate 120, a slide rod 121, a cylinder 122, two limiting rings 123, a stirring member and a rotating member, the rotating member includes a driven wheel 124 and a belt 125, the stirring member includes a round rod 126, multiple mixing rods 127 and two sealing rings 128. The above solution solves the problem in the prior art that the polymer solution is easy to deposit, resulting in different concentrations of the polymer solution sprayed from the nozzle, thereby causing uneven fiber distribution.

[0027] According to this specific embodiment, the storage tank 102 is fixedly connected to the base plate 101 and is located on the upper surface of the base plate 101. The first motor 104 is provided on the upper surface of the storage tank 102. The roller 105 is fixedly connected to the output end of the first motor 104. The plurality of stirring rods 106 are fixedly connected to the roller 105. The hopper 103 is provided on the upper surface of the storage tank 102. The moving assembly is provided on the upper surface of the base plate 101. The moving plate 107 is threadedly engaged with the moving assembly. The transfer tank 108 is fixedly connected to the moving plate 107. One end of the delivery pipe 109 is fixedly connected to the storage tank 102. The other end of the delivery pipe 109 is fixedly connected to the transfer tank 108. The water pump 110 is provided at one end of the delivery pipe 109. Multiple groups of the The spray components are all arranged on the outside of the transfer tank 108. When in use, the polymer solution is put into the storage tank 102 from the feeding hopper 103, and then the first motor 104 is started. The output end of the first motor 104 drives the roller 105 to rotate, and the roller 105 drives the multiple stirring rods 106 to rotate, thereby stirring the polymer solution to prevent the polymer solution from sedimentation. Then, the water pump 110 is started, so that the polymer solution is transported from the storage tank 102 to the transfer tank 108 through the delivery pipe 109, and then sprayed out through multiple groups of spray components. Under the action of a strong electric field, it forms fiber filaments, and then the moving plate 107 is driven to move by the moving component, and the moving plate 107 drives the transfer tank 108 to move, so that the fiber filaments are evenly dispersed and laid to form a fiber membrane.

[0028] Among them, one end of the water pipe 111 is fixedly connected to the transfer tank 108, and the other end of the water pipe 111 is fixedly connected to the nozzle 112. The solenoid valve 113 is arranged in the middle of the water pipe 111. When in use, the solenoid valve 113 is opened to allow the polymer solution in the transfer tank 108 to flow to the water pipe 111 and be sprayed out through the nozzle 112.

[0029] Secondly, the two vertical plates 114 are fixedly connected to the base plate 101, the screw rod 115 passes through the movable plate 107 and is threadedly engaged with the movable plate 107, the two ends of the screw rod 115 are respectively rotatably connected to the two vertical plates 114, the output ends of the dual-axis motor 116 are respectively fixedly connected to the screw rod 115 and the driving wheel 117, the guide member is fixedly connected to the movable plate 107, and the mixing member is arranged at the upper end of one of the vertical plates 114. When in use, the dual-axis motor 116 is started, and one of the output ends of the dual-axis motor 116 drives the screw rod 115 to rotate, and the screw rod 115 causes the movable plate 107 to move, and at the same time, the other output end of the dual-axis motor 116 drives the driving wheel 117 to rotate.

[0030] At the same time, the slide plate 118 is fixedly connected to the movable plate 107 and is located on the lower surface of the movable plate 107. The guide rod 119 passes through the slide plate 118 and is slidably connected to the slide plate 118. The two ends of the guide rod 119 are respectively fixedly connected to the two vertical plates 114. When in use, the movable plate 107 moves to drive the slide plate 118 to slide on the guide rod 119, thereby guiding the movable plate 107.

[0031] In addition, the L-shaped plate 120 is fixedly connected to one of the vertical plates 114, the cylinder 122 passes through the L-shaped plate 120 and is rotatably connected to the L-shaped plate 120, the two limiting rings 123 are respectively sleeved on the outside of the cylinder 122, one end of the sliding rod 121 is fixedly connected to the stirring member, the other end of the sliding rod 121 passes through the cylinder 122 and is slidably connected to the cylinder 122, and the rotating member is arranged on the outside of the cylinder 122. When in use, the rotating member drives the cylinder 122 to rotate on the L-shaped plate 120, the cylinder 122 drives the sliding rod 121 to rotate, and the sliding rod 121 drives the stirring member to rotate, thereby mixing the polymer solution in the transfer tank 108, and limiting the cylinder 122 by the two limiting rings 123.

[0032] Among them, the driven wheel 124 is fixedly connected to the cylinder 122 and is located on the outside of the cylinder 122. The belt 125 is respectively sleeved on the outside of the driving wheel 117 and the driven wheel 124. When in use, the driving wheel 117 drives the driven wheel 124 to rotate through the belt 125, and the driven wheel 124 drives the cylinder 122 to rotate.

[0033] Secondly, one end of the round rod 126 is fixedly connected to the sliding rod 121, and the other end of the round rod 126 is inserted into the interior of the transfer tank 108. The multiple mixing rods 127 are fixedly connected to the round rod 126, and the two sealing rings 128 are both sleeved on the outside of the round rod 126. During specific use, the sliding rod 121 drives the round rod 126 to rotate, and the round rod 126 drives the multiple mixing rods 127 to rotate, thereby stirring the polymer solution in the transfer tank 108.

[0034] The uniform dispersion mechanism for producing electrospun nanofiber membranes according to the present embodiment is used. When the polymer solution is put into the storage tank 102 from the feeding hopper 103, the first motor 104 is started, and the output end of the first motor 104 drives the roller 105 to rotate, and the roller 105 drives the plurality of stirring rods 106 to rotate, thereby stirring the polymer solution to avoid the deposition of the polymer solution. The water pump 110 is then started, so that the polymer solution is transported from the storage tank 102 to the transfer tank 108 through the delivery pipe 109, and the solenoid valve 113 is then opened, so that the polymer solution in the transfer tank 108 flows to the water pipe 111 and is ejected through the nozzle 112, so that it forms fiber filaments under the action of a strong electric field. The dual-axis motor 116 is then started, and one of the outputs of the dual-axis motor 116 The end drives the screw rod 115 to rotate, and the screw rod 115 moves the movable plate 107, and the movable plate 107 drives the transfer tank 108 to move, so that the fiber filaments are evenly dispersed and laid to form a fiber membrane. At the same time, the other output end of the dual-axis motor 116 drives the driving wheel 117 to rotate, and the driving wheel 117 drives the driven wheel 124 to rotate through the belt 125, and the driven wheel 124 drives the cylinder 122 to rotate, and the cylinder 122 drives the sliding rod 121 to rotate, and the sliding rod 121 drives the round rod 126 to rotate, and the round rod 126 drives the multiple mixing rods 127 to rotate, thereby mixing the polymer solution in the transfer tank 108. This method can effectively solve the problem in the prior art that the polymer solution is easy to settle, resulting in different concentrations of the polymer solution sprayed from the nozzle, thereby causing uneven fiber distribution.

[0035] The second embodiment of the present application is:

[0036] Based on the first embodiment, please refer to Figure 5 , Figure 5 It is a structural diagram of the second embodiment of the present utility model.

[0037] The utility model provides a uniform dispersion mechanism for producing electrospun nanofiber membranes, which also includes a frame 201 , glass 202 and two groups of mounting components, each group of the mounting components includes a connecting plate 203 and a mounting plate 204 .

[0038] For this specific embodiment, the frame 201 passes through the storage tank 102 and is fixedly connected to the storage tank 102. The glass 202 is arranged inside the frame 201. The two groups of the mounting components are symmetrically arranged on the lower surface of the base plate 101. When in use, the glass 202 is installed through the frame 201. The polymer solution inside the storage tank 102 is conveniently observed through the glass 202. The base plate 101 is conveniently installed through the two groups of the mounting components.

[0039] Among them, one end of the connecting plate 203 is fixedly connected to the base plate 101, and the other end of the connecting plate 203 is fixedly connected to the mounting plate 204. When in use, the base plate 101 and the mounting plate 204 are fixed by the connecting plate 203, and the mounting plate 204 is fixed by using bolts, thereby fixing the base plate 101.

[0040] Secondly, the mounting plate 204 has two circular holes 205. When in use, the circular holes 205 are provided to facilitate the use of bolts to fix the mounting plate 204.

[0041] When using the uniform dispersion mechanism for producing electrospun nanofiber membranes according to this embodiment, the mounting plate 204 is fixed with bolts to install the bottom plate 101 , and the glass 202 is provided to facilitate observation of the polymer solution inside the storage tank 102 .

[0042] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A uniform dispersion mechanism for producing electrospun nanofiber membranes, comprising a bottom plate, characterized in that: It also includes a dispersion unit, which includes a storage tank, a feeding hopper, a first motor, a roller, multiple stirring rods, a movable plate, a transfer tank, a delivery pipe, a water pump, multiple groups of spray components and a movable component. The storage tank is fixedly connected to the base plate and is located on the upper surface of the base plate. The first motor is arranged on the upper surface of the storage tank. The roller is fixedly connected to the output end of the first motor. Multiple stirring rods are fixedly connected to the roller. The feeding hopper is arranged on the upper surface of the storage tank. The movable component is arranged on the upper surface of the base plate. The movable plate is threadedly engaged with the movable component. The transfer tank is fixedly connected to the movable plate. One end of the delivery pipe is fixedly connected to the storage tank, and the other end of the delivery pipe is fixedly connected to the transfer tank. The water pump is arranged at one end of the delivery pipe, and multiple groups of spray components are arranged on the outside of the transfer tank.

2. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 1, characterized in that: Each group of the spray components includes a water pipe, a nozzle and a solenoid valve. One end of the water pipe is fixedly connected to the transfer tank, and the other end of the water pipe is fixedly connected to the nozzle. The solenoid valve is arranged in the middle of the water pipe.

3. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 2, characterized in that: The moving assembly includes two vertical plates, a screw rod, a dual-axis motor, a driving wheel, a guide member and a mixing member. The two vertical plates are fixedly connected to the base plate. The screw rod passes through the moving plate and is threadedly engaged with the moving plate. The two ends of the screw rod are respectively rotatably connected to the two vertical plates. The output ends of the dual-axis motor are respectively fixedly connected to the screw rod and the driving wheel. The guide member is fixedly connected to the moving plate. The mixing member is arranged at the upper end of one of the vertical plates.

4. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 3, characterized in that: The guide member includes a slide plate and a guide rod. The slide plate is fixedly connected to the movable plate and is located on the lower surface of the movable plate. The guide rod passes through the slide plate and is slidably connected to the slide plate. The two ends of the guide rod are respectively fixedly connected to the two vertical plates.

5. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 4, characterized in that: The mixing element includes an L-shaped plate, a sliding rod, a cylinder, two limiting rings, a stirring element and a rotating element. The L-shaped plate is fixedly connected to one of the vertical plates, the cylinder passes through the L-shaped plate and is rotatably connected to the L-shaped plate, the two limiting rings are respectively sleeved on the outside of the cylinder, one end of the sliding rod is fixedly connected to the stirring element, the other end of the sliding rod passes through the cylinder and is slidably connected to the cylinder, and the rotating element is arranged on the outside of the cylinder.

6. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 5, characterized in that: The rotating member includes a driven wheel and a belt. The driven wheel is fixedly connected to the cylinder and is located outside the cylinder. The belt is respectively sleeved on the outside of the driving wheel and the driven wheel.

7. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 6, characterized in that: The stirring element includes a round rod, multiple mixing rods and two sealing rings. One end of the round rod is fixedly connected to the sliding rod, and the other end of the round rod is inserted into the interior of the transfer tank. The multiple mixing rods are fixedly connected to the round rod, and the two sealing rings are both sleeved on the outside of the round rod.

8. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 7, characterized in that: The uniform dispersion mechanism for producing electrospun nanofiber membranes also includes a frame, glass and two sets of mounting components. The frame passes through the storage tank and is fixedly connected to the storage tank. The glass is arranged inside the frame, and the two sets of mounting components are symmetrically arranged on the lower surface of the base plate.

9. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 8, characterized in that: Each group of the mounting components includes a connecting plate and a mounting plate. One end of the connecting plate is fixedly connected to the base plate, and the other end of the connecting plate is fixedly connected to the mounting plate.

10. The uniform dispersion mechanism for producing electrospun nanofiber membranes according to claim 9, characterized in that: The mounting plate has two circular holes.

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