CN219099396U

CN219099396U - Device for improving directional spinning efficiency

Info

Publication number: CN219099396U
Application number: CN202223063590.1U
Authority: CN
Inventors: 于淼
Original assignee: Qingdao Zhongke Kaier Technology Co ltd
Current assignee: Qingdao Zhongke Kaier Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-30
Anticipated expiration: 2032-11-18

Abstract

The utility model provides a device for improving directional spinning efficiency, which belongs to the technical field of spinning, and comprises a fixed seat, a power device and a receiving device, wherein the power device is fixedly arranged at the top of the fixed seat, and the receiving device is fixedly connected with an output shaft of the power device; the electrostatic spinning device comprises an annular track, needle heads and a directional cover, wherein the annular track is provided with a plurality of needle heads distributed in an annular array, and the outside of each needle head is provided with the directional cover for reducing electric field interference among the needle heads; the distance that the height of the directional cover is higher than the needle is limited to 1-2 cm. The equipment belongs to the technical field of spinning, can solve the problem that the electrostatic spinning equipment always has edge effect, mutual interference among needles causes uneven electric field distribution and forms uneven plaque on a substrate, and can also improve the spinning efficiency.

Description

Device for improving directional spinning efficiency

Technical Field

The utility model belongs to the technical field of spinning, and particularly relates to a device for improving directional spinning efficiency.

Background

Electrostatic spinning is a special form of electrostatic atomization of polymer fluid, and at this time, the atomized and split substances are not tiny liquid drops, but polymer tiny jet flow, and can run for a quite long distance, and finally be solidified into fibers. Electrospinning is a special fiber manufacturing process in which a polymer solution or melt is spun by spraying in a strong electric field. Under the action of the electric field, the liquid drop at the needle head is changed into a conical shape from the ball, and the fiber filament is obtained by extending from the tip of the conical shape. In this way, polymer filaments of nanoscale diameter can be produced. The catalyst has the advantages of good biocompatibility and degradability, small pore diameter, high porosity and good fiber uniformity, can be taken as a carrier to enter a human body, is easy to absorb, has high specific surface area and porosity, can increase the action area of a sensing material and a detected object, and is expected to greatly improve the performance of the sensor.

However, the current electrostatic spinning equipment has the disadvantages that the edge effect is often generated, the needles are mutually interfered, so that the electric field is unevenly distributed, and plaque with uneven thickness is formed on the substrate; at the same time, the spinning efficiency is very low.

Disclosure of Invention

In view of the above, the utility model provides a device for improving directional spinning efficiency, which can solve the problems that the electrostatic spinning equipment always has edge effect, mutual interference among needles causes uneven electric field distribution and forms uneven plaque on a substrate, and can improve spinning efficiency.

The utility model is realized in the following way:

the utility model provides a device for improving directional spinning efficiency, which is provided with a fixed seat, a power device and a receiving device, wherein the power device is fixedly arranged at the top of the fixed seat, and the receiving device is fixedly connected with an output shaft of the power device; the receiving device comprises a roller;

the electrostatic spinning device comprises an annular rail, a straight rail, a peristaltic pump, a needle head and a directional cover, wherein the annular rail is arranged on the outer side of the roller, the peristaltic pump is connected with the annular rail through the straight rail, and the annular rail is connected with the straight rail through a three-way joint; the annular track is provided with a plurality of annular array distributed pinheads, and the outer side of each pinhead is provided with a directional cover for reducing electric field interference among the pinheads;

the peristaltic pump is characterized by further comprising a solution tank, and the solution tank is in through connection with the peristaltic pump.

The device for improving the directional spinning efficiency has the following technical effects: fixing the whole spinning device by arranging a fixing seat; by arranging the power device, the rotation of the receiving device is driven, and the electrostatic spinning is more conveniently carried out; the receiving device and the roller are arranged to receive jet flow sent by the electrostatic spinning device, so that spinning is realized; by arranging the electrostatic spinning device, electrostatic spinning is realized; through arranging the annular track and the straight track, the macromolecule solution is brought into each needle head, so that electrostatic spinning is realized, and the electrostatic spinning efficiency is greatly improved; the peristaltic pump is arranged to convey the polymer solution in the solution tank to the annular track and the straight track; through setting up the needle, realize the electrostatic spinning; through arranging the directional cover, the electrostatic spinning is performed directionally, and meanwhile, the edge effect of an electric field is weakened, and the electric field interference between the needle heads is reduced; by arranging the solution tank, the polymer solution is stored.

On the basis of the technical scheme, the device for improving the directional spinning efficiency can be further improved as follows:

wherein the distance that the height of the orientation shield is higher than the needle is limited to 1-2 cm.

The beneficial effects of adopting above-mentioned improvement scheme are: by arranging the directional cover, the distance between the ancient language needles is 1-2 cm, the installation quantity of the needles is increased as much as possible, the edge effect of an electric field is weakened, and the electric field interference between the needles is reduced.

The power device comprises a rotating motor, a coupler and a central shaft, wherein the rotating motor is fixed on the fixed seat, the coupler is fixed on the rotating motor, and the central shaft is connected with an output shaft of the rotating motor through the coupler; the central shaft penetrates through the whole roller, a group of rotating blades are further arranged on the central shaft, and each group of rotating blades comprises 3 rotating blades and is used for driving the roller to rotate around the central shaft.

The beneficial effects of adopting above-mentioned improvement scheme are: through the arrangement of the rotating motor, the coupler and the central shaft are driven to rotate, so that electrostatic spinning on the roller is realized; the rotation of the roller is driven by arranging a coupler and a central shaft; through setting up turning vane, drive the cylinder rotation for electrostatic spinning is more even.

Wherein the outlets of the needles are all directed at the circle center of the annular track.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up the export all directional circular orbit's of syringe needle centre of a circle for the efflux that the syringe needle sent falls on the appointed position of cylinder, avoids causing the weaving inhomogeneous.

The peristaltic pump is characterized by further comprising a controller, wherein the controller is electrically connected with the rotating motor and the peristaltic pump.

The beneficial effects of adopting above-mentioned improvement scheme are: the controller is arranged to control the whole spinning device.

The central shaft is provided with a plurality of groups of rotating blades, and the plurality of groups of rotating blades are uniformly distributed on the central shaft.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up multiunit turning vane, drive the cylinder and rotate for whole weaving process is more rapid.

Wherein the needle head is manufactured by adopting a drawing method, and the aperture of the needle head is 30nm-600nm.

The beneficial effects of adopting above-mentioned improvement scheme are: the needle is arranged to be manufactured in a drawing mode, so that the voltage and the receiving distance required by spinning are greatly reduced, and electrostatic spinning formed by splitting spinning jet flow can be uniformly distributed on the roller.

Wherein, the needle adopts to some metal material, the high strength voltage is exerted on the needle.

The beneficial effects of adopting above-mentioned improvement scheme are: the needle is made of point metal material, and high-strength voltage is applied to the needle to construct an electrostatic field, so that electrostatic spinning is realized.

Wherein the axis of the central shaft coincides with the central axes of the roller and the annular track.

The beneficial effects of adopting above-mentioned improvement scheme are: through setting up the axis coincidence of center pin and cylinder and annular orbit's central axis for the efflux that the syringe needle sent falls on the appointed position of cylinder, avoids causing the weaving inhomogeneous.

Wherein, the cylinder, the circular orbit and the straight orbit are all made of insulating materials.

The beneficial effects of adopting above-mentioned improvement scheme are: by arranging the roller, the annular track and the straight track as insulating materials, dangerous occurrence is avoided.

Compared with the prior art, the device for improving the directional spinning efficiency has the beneficial effects that: fixing the whole spinning device by arranging a fixing seat; by arranging the power device, the rotation of the receiving device is driven, and the electrostatic spinning is more conveniently carried out; the receiving device and the roller are arranged to receive jet flow sent by the electrostatic spinning device, so that spinning is realized; by arranging the electrostatic spinning device, electrostatic spinning is realized; through arranging the annular track and the straight track, the macromolecule solution is brought into each needle head, so that electrostatic spinning is realized, and the electrostatic spinning efficiency is greatly improved; the peristaltic pump is arranged to convey the polymer solution in the solution tank to the annular track and the straight track; through setting up the needle, realize the electrostatic spinning; through arranging the directional cover, the electrostatic spinning is performed directionally, and meanwhile, the edge effect of an electric field is weakened, and the electric field interference between the needle heads is reduced; the solution tank is arranged for storing the polymer solution; by arranging the directional cover, the distance between the ancient language needles is 1-2 cm, the installation quantity of the needles is increased as much as possible, the edge effect of an electric field is weakened, and the electric field interference between the needles is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a device for improving directional spinning efficiency;

FIG. 2 is a schematic structural view of an electrostatic spinning device;

FIG. 3 is a schematic diagram of a central shaft structure;

FIG. 4 is a schematic view of the central axis structure of the second embodiment;

FIG. 5 is an electrical connection diagram of a device for improving directional spinning efficiency;

in the drawings, the list of components represented by the various numbers is as follows:

10. a fixing seat; 20. a power device; 21. a rotating electric machine; 22. a coupling; 23. a central shaft; 231. rotating the blade; 30. a receiving device; 31. a roller; 40. an electrostatic spinning device; 41. an endless track; 42. a straight track; 43. a peristaltic pump; 44. a needle; 45. a directional cover; 50. a solution pool; 60. and a controller.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

1-3 and 5, a first embodiment of a device for improving directional spinning efficiency is provided, in this embodiment, the device comprises a fixing seat 10, a power device 20 and a receiving device 30, the power device 20 is fixedly arranged on the top of the fixing seat 10, and the receiving device 30 is fixedly connected with an output shaft of the power device 20; the receiving means 30 comprises a drum 31;

the electrostatic spinning device 40 is further provided, the electrostatic spinning device 40 comprises an annular rail 41, a straight rail 42, a peristaltic pump 43, a needle 44 and a directional cover 45, the annular rail 41 is arranged on the outer side of the roller 31, the peristaltic pump 43 is connected with the annular rail 41 through the straight rail 42, and the annular rail 41 is connected with the straight rail 42 through a three-way joint; the annular track 41 is provided with a plurality of annular array distributed pinheads 44, and the outer side of each pinhead 44 is provided with a directional cover 45 for reducing electric field interference between the pinheads 44;

the peristaltic pump 43 is connected to the solution tank 50 in a penetrating manner.

When in use, one end of the straight track 42 is connected with the peristaltic pump 43, and along with the propulsion of the peristaltic pump 43, the macromolecule solution in the solution tank 50 sequentially enters the straight track 42 and the annular track 41 and is finally conveyed into each needle 44;

needle 44 is connected to a high voltage positive pole, drum 31 is grounded, and an electrostatic field for spinning is created between needle 44 and drum 31. Under the action of the electric field, the polymer solution in the needle 44 is charged and breaks loose from the constraint of the surface tension, and the jet flow of spinning is emitted from the needle 44 and falls on the roller 31 under the action of the electric field to form spinning. Among them, peristaltic pump 43 may be a peristaltic pump of model KPP-DC-B08W manufactured by Kachun fluid technology (Shanghai).

In the above-described embodiment, the distance between the height of the orientation shield 45 and the needle 44 is limited to 1 to 2cm.

In the above technical solution, the power device 20 includes a rotating motor 21, a coupling 22, and a central shaft 23, the rotating motor 21 is fixed on the fixing base 10, the coupling 22 is fixed on the rotating motor 21, and the central shaft 23 is connected with an output shaft of the rotating motor 21 through the coupling 22; the central shaft 23 penetrates the whole drum 31, and a group of rotating blades 231 is further arranged on the central shaft 23, and each group comprises 3 rotating blades 231 for driving the drum 31 to rotate around the central shaft 23.

In use, the rotary motor 21 rotates the central shaft 23 via the coupling 22 and rotates the drum 31 via the rotor blades 231. The rotating electric machine 21 may be a rotating electric machine of 42J1825-404 manufactured by Toguan Feng Bao Hongkong mechanical element commercial power supplier.

In the above technical solution, the outlets of the needles 44 are all directed to the center of the annular track 41.

In the above-described embodiment, the controller 60 is further included, and the controller 60 is electrically connected to the rotary electric machine 21 and the peristaltic pump 43.

In use, the controller 60 sends control signals to be received by the rotary motor 21 and peristaltic pump 43; the rotating motor 21 drives the coupler 22 and the central shaft 23 to start rotating, and drives the roller 31 to rotate through the rotating blades 231; simultaneously, the peristaltic pump 43 pushes the macromolecule solution in the solution tank 50 to sequentially enter the straight track 42 and the annular track 41, and finally, the macromolecule solution is conveyed into each needle 44.

As shown in fig. 4, in the second embodiment of the device for improving directional spinning efficiency according to the present utility model, a plurality of sets of rotating blades 231 are disposed on the central shaft 23, and the plurality of sets of rotating blades 231 are uniformly distributed on the central shaft 23.

In use, the rotating blades 231 rotate the drum 31 to perform electrostatic spinning.

In the above technical scheme, the needle 44 is manufactured by adopting a drawing method, and the aperture of the needle 44 is 30nm-600nm.

In the above-described embodiments, the needle 44 is made of a point-to-point metal material, and a high-intensity voltage is applied to the needle 44.

In use, needle 44 is connected to a high voltage positive electrode, drum 31 is grounded, and an electrostatic field for spinning is created between needle 44 and drum 31.

In the above-described embodiment, the axis of the center shaft 23 coincides with the center axes of the drum 31 and the endless track 41.

In the above technical solution, the roller 31, the annular rail 41 and the straight rail 42 are all made of insulating materials.

Wherein the insulating material may be an insulating rubber.

Using scene one: when electrostatic spinning is required, the device is used, so that edge effect is avoided.

Use scenario two: when it is desired to improve spinning efficiency, the number of needles 44 is increased, and the apparatus is used for electrospinning.

Specifically, the principle of the utility model is as follows: the controller 60 sends out control signals which are received by the rotary motor 21 and the peristaltic pump 43; the rotating motor 21 drives the coupler 22 and the central shaft 23 to start rotating, and drives the roller 31 to rotate through the rotating blades 231; simultaneously, the peristaltic pump 43 pushes the macromolecule solution in the solution tank 50 to sequentially enter the straight track 42 and the annular track 41, and finally, the macromolecule solution is conveyed into each needle 44; needle 44 is connected to a high voltage positive pole, drum 31 is grounded, and an electrostatic field for spinning is created between needle 44 and drum 31. Under the action of the electric field, the polymer solution in the needle 44 is charged and breaks loose from the constraint of the surface tension, and the jet flow of spinning is emitted from the needle 44 and falls on the roller 31 under the action of the electric field to form spinning.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The device for improving the directional spinning efficiency comprises a fixed seat (10), a power device (20) and a receiving device (30), wherein the power device (20) is fixedly arranged at the top of the fixed seat (10), and the receiving device (30) is fixedly connected with an output shaft of the power device (20); the receiving device (30) comprises a drum (31);

the electrostatic spinning device is characterized by further comprising an electrostatic spinning device (40), wherein the electrostatic spinning device (40) comprises an annular rail (41), a straight rail (42), a peristaltic pump (43), a needle (44) and a directional cover (45), the annular rail (41) is arranged on the outer side of the roller (31), the peristaltic pump (43) is connected with the annular rail (41) through the straight rail (42), and the annular rail (41) is connected with the straight rail (42) through a three-way joint; a plurality of annular array distributed pinheads (44) are arranged on the annular track (41), and a directional cover (45) is arranged on the outer side of each pinhead (44) for reducing electric field interference between the pinheads (44);

the peristaltic pump is characterized by further comprising a solution tank (50), wherein the solution tank (50) is in through connection with the peristaltic pump (43).

2. A device for improving the efficiency of directional spinning according to claim 1, characterized in that the distance of the height of the directional cover (45) above the needle (44) is limited to 1-2 cm.

3. A device for improving directional spinning efficiency according to claim 1, characterized in that the power unit (20) comprises a rotating electric machine (21), a coupling (22) and a central shaft (23), the rotating electric machine (21) is fixed on the fixed seat (10), the coupling (22) is fixed on the rotating electric machine (21), and the central shaft (23) is connected with the output shaft of the rotating electric machine (21) through the coupling (22); the central shaft (23) penetrates through the whole roller (31), a group of rotating blades (231) is further arranged on the central shaft (23), and each group comprises 3 rotating blades (231) used for driving the roller (31) to rotate around the central shaft (23).

4. A device for improving the efficiency of directional spinning according to claim 1, characterized in that the outlets of the needles (44) are all directed towards the centre of the circular track (41).

5. A device for improving directional spinning efficiency according to claim 3, further comprising a controller (60), said controller (60) being electrically connected to said rotary electric machine (21) and said peristaltic pump (43).

6. A device for improving directional spinning efficiency according to claim 3, characterized in that the central shaft (23) is provided with a plurality of sets of said turning vanes (231), and that the plurality of sets of said turning vanes (231) are uniformly distributed on the central shaft (23).

7. The device for improving the directional spinning efficiency according to claim 1, wherein the needle (44) is manufactured by adopting a drawing method, and the aperture of the needle (44) is 30nm-600nm.

8. A device for improving directional spinning efficiency according to claim 1, wherein said needle (44) is made of an on-site metal material, and a high-intensity voltage is applied to said needle (44).

9. A device for improving directional spinning efficiency according to claim 3, characterized in that the axis of the central shaft (23) coincides with the central axis of the drum (31) and the annular track (41).

10. Device for improving the efficiency of directional spinning according to claim 1, characterized in that the drum (31), the annular rail (41) and the straight rail (42) are all made of insulating material.