CN220246335U

CN220246335U - Electrostatic spinning device

Info

Publication number: CN220246335U
Application number: CN202321379476.1U
Authority: CN
Inventors: 郑晓锋; 胡静宇; 代玉梅; 尹嘉伟
Original assignee: Chengdu Univeristy of Technology
Current assignee: Chengdu Univeristy of Technology
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-12-26
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses an electrostatic spinning device which comprises an injector supporting seat, a rotating handle screw, a bracket, a push block, a transverse plate, an electric cylinder, an injector push rod, an upper pressing seat, an injector tube and a spinning needle, wherein the bottom of the inner side of a box body is fixedly connected with the bracket, the top of the bracket is fixedly connected with the transverse plate, the top of the transverse plate is fixedly connected with the injector supporting seat and the electric cylinder, the telescopic end of the electric cylinder is fixedly connected with the push block, the injector supporting seat is provided with the injector, the threaded rod is driven to rotate by rotating the rotating handle, the threaded rod can drive the mounting frame to move, the pointer and the receiving device are driven to synchronously move when the mounting frame moves, the pointer is observed to be at the scale value position on a scale mark, and the pointer stops when the scale value of the pointer on the scale mark is the required distance value between the spinning needle and the receiving device, so that the distance between the spinning needle and the receiving device can be accurately controlled.

Description

Electrostatic spinning device

Technical Field

The utility model relates to the technical field of electrostatic spinning, in particular to an electrostatic spinning device.

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 an electric field, the liquid drops at the spinning needle of the spinning device are changed from a ball shape to a conical shape (namely a Taylor cone), and fiber filaments are obtained by extending from the tip of the cone, so that polymer filaments with nanometer diameters can be produced.

Patent document with the publication number of CN208309018U discloses an electrostatic spinning device, which comprises a spinning device, a receiving device arranged at one side of the spinning device, an air pump connected with the receiving device through an air duct, and a high-voltage power supply device connected with the receiving device and the spinning device at the same time, wherein the spinning device comprises an injection port, and the injection port faces the receiving device; the receiving device comprises a first surface and a second surface, wherein a plurality of small holes are formed in the first surface, and holes matched with the air guide pipe are formed in the second surface. The receiving device is provided with small holes and is used for conveying gas to the receiving device, so that the gas is sprayed out of the small holes, and the effect that the gas generates repulsive force to the nano fibers to form a large aperture between the fibers is achieved.

In the prior art, in use, it is generally inconvenient to accurately adjust the distance between the spinning needle of the spinning device and the receiving device, which may cause poor distance between the spinning needle and the receiving device to affect the spinning effect, and based on this, we propose an electrostatic spinning device.

Disclosure of Invention

The present utility model is directed to an electrostatic spinning device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electrostatic spinning device, includes the box, the inboard bottom fixedly connected with support of box, support top fixedly connected with diaphragm, diaphragm top fixedly connected with syringe supporting seat and electronic jar, the telescopic end fixedly connected with ejector pad of electronic jar, be provided with the syringe on the syringe supporting seat, the syringe includes syringe push rod, syringe barrel, spinning syringe needle and syringe piston, the syringe barrel sets up on the syringe supporting seat, the inboard top fixedly connected with fixed riser of box, one side fixedly connected with cross axle of fixed riser, the one end of cross axle and the inside wall fixedly connected with of box, transversely run through threaded connection's threaded rod on the fixed riser, the one end of threaded rod rotates with the inside wall of box to be connected, the other end fixedly connected with revolving handle of threaded rod, be provided with the mounting bracket in the box, the outside of threaded rod is located to the upper end transversely run through the thread bush of mounting bracket, the outside of cross axle is located to the upper end transversely run through the slip cap of mounting bracket, be provided with receiving arrangement on the box, the box is high voltage indicator is installed to the side, the bottom is provided with the scale mark corresponds to the scale mark, the scale mark is installed to the bottom fixedly connected with the scale mark.

As a further scheme of the utility model: the syringe piston slides and sets up in the inboard of syringe, the one end at the syringe is connected to the spinning syringe needle, the one end and the syringe piston fixed connection of syringe push rod, the other end setting of syringe push rod is on the ejector pad.

As still further aspects of the utility model: the injector supporting seat top is provided with and compresses tightly the seat, it compresses tightly the seat and presses on the injection tube to go up, it compresses tightly seat and injection tube assorted to go up, it is provided with two turning handle screws to compress tightly the symmetry on the seat to go up, the screw hole that is used for with turning handle screw threaded connection and one-to-one is offered at injector supporting seat top, the bottom of turning handle screw runs through behind last compressing tightly the seat with corresponding screw hole threaded connection.

As still further aspects of the utility model: two clamping slots are symmetrically formed in the mounting frame, and edges of the receiving device are inserted into the two clamping slots.

As still further aspects of the utility model: the positive electrode of the high-voltage electrostatic generator is connected with a second electrode clamp through a wire, the negative electrode of the high-voltage electrostatic generator is connected with a first electrode clamp through a wire, the first electrode clamp is clamped on the receiving device, and the second electrode clamp is clamped on the spinning needle.

As still further aspects of the utility model: and the top of the box body is fixedly connected with a control switch.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, under the cooperation of the pointer, the first electrode clamp, the scale mark, the second electrode clamp, the high-voltage electrostatic generator, the injector supporting seat, the rotating handle screw, the bracket, the push block, the transverse plate, the electric cylinder, the injector push rod, the upper pressing seat, the injection cylinder, the control switch, the spinning needle head, the rotating handle, the fixed vertical plate, the threaded rod, the box body, the transverse shaft, the mounting frame, the receiving device, the clamping notch and the injector piston, the threaded rod is driven to rotate by rotating the rotating handle, the mounting frame is driven to move by rotating the threaded rod, the pointer and the receiving device are driven to synchronously move when the mounting frame moves, at the moment, the position of the scale value of the pointer on the scale mark is observed, and when the scale value of the pointer on the scale mark is the required distance value between the spinning needle head and the receiving device, the distance between the spinning needle head and the receiving device can be accurately controlled and adjusted to be the optimal distance, and the influence on the spinning effect due to the distance between the spinning needle head and the receiving device is effectively reduced.

2. The upper pressing seat is taken down from the top of the injector supporting seat through disassembling the rotating handle screw, and the injection cylinder is taken down from the injector supporting seat, so that the convenient injector is taken down and replaced, the receiving device is pulled out from the clamping slot opening and replaced by a new receiving device to be inserted into the clamping slot opening, and the receiving device can be replaced conveniently

Drawings

Fig. 1 is a schematic diagram of the overall structure of an electrospinning device.

Fig. 2 is a cross-sectional view of an injector in the electrospinning apparatus.

Fig. 3 is a schematic view of the structure of the transverse plate in the electrostatic spinning device.

The figure shows: pointer 1, first electrode holder 2, scale mark 3, second electrode holder 4, high-voltage static generator 5, syringe supporting seat 6, stem screw 7, support 8, push block 9, diaphragm 10, electric cylinder 11, syringe push rod 12, upper pressing seat 13, syringe 14, control switch 15, spinning needle 16, stem 17, fixed riser 18, threaded rod 19, box 20, cross shaft 21, mounting frame 22, receiving device 23, clamping slot 24, syringe piston 25.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the embodiment of the utility model, an electrostatic spinning device comprises a box 20, a bracket 8 is fixedly connected to the bottom of the inner side of the box 20, a transverse plate 10 is fixedly connected to the top of the bracket 8, a syringe supporting seat 6 and an electric cylinder 11 are fixedly connected to the top of the transverse plate 10, a pushing block 9 is fixedly connected to the telescopic end of the electric cylinder 11, a syringe is arranged on the syringe supporting seat 6, the syringe comprises a syringe push rod 12, a syringe barrel 14, a spinning needle 16 and a syringe piston 25, the syringe piston 25 is slidably arranged on the inner side of the syringe barrel 14, the syringe piston 25 is sealed with the inner side of the syringe barrel 14, the spinning needle 16 is connected to one end of the syringe barrel 14, one end of the syringe push rod 12 is fixedly connected with the syringe piston 25, the other end of the syringe push rod 12 is arranged on the pushing block 9, a notch for inserting the syringe push rod 12 is formed in the pushing block 9, the syringe barrel 14 is arranged on the syringe supporting seat 6, the syringe push rod 6 is provided with a pressing groove corresponding to the transverse shaft 13 on the upper side of the threaded seat 13, the threaded sleeve is fixedly connected to the inner side of the threaded seat 13, the threaded sleeve 13 is fixedly connected to the threaded seat 13, the threaded hole is formed in the top of the threaded seat 13 is correspondingly arranged on the threaded seat 13, the threaded seat 13 is fixedly connected to the threaded seat 13, and the threaded seat is fixedly connected to the threaded seat 13, the utility model discloses a high-voltage electrostatic generator, including fixed riser 18, fixed riser 18 is last transversely run through threaded connection has threaded rod 19, transversely run through on the fixed riser 18 set up the screw thread through-hole that is used for with threaded rod 19 threaded connection, the one end of threaded rod 19 rotates with the inside wall of box 20 to be connected, the other end fixedly connected with rotating handle 17 of threaded rod 19, be provided with mounting bracket 22 in the box 20, the outside of threaded rod 19 is located to the upper end transversely run through the screw thread cover of mounting bracket 22, the outside of cross axle 21 is located to the upper end transversely run through sliding sleeve of mounting bracket 22, be provided with receiving arrangement 23 on the mounting bracket 22, the symmetry is provided with two draw-in grooves 24 on the mounting bracket 22, the edge of receiving arrangement 23 inserts to establish in two draw-in grooves 24, high-voltage electrostatic generator 5 is installed to the inboard of box 20, the anodal second electrode clamp 4 that is passed through the wire connection of high-voltage electrostatic generator 5, the negative pole of high-voltage electrostatic generator 5 is passed through the wire connection with first electrode clamp 2, first electrode clamp 2 centre gripping is on receiving arrangement 23, second electrode clamp 4 centre gripping is in the outside of locating arrangement 16, the wire needle point 16 is passed through to be connected with electric power supply line 3, electric switch box 1 and electric power supply line 3 are connected with electric power supply line 3, electric control cylinder 15 is connected with electric scale drum 15.

The working principle of the utility model is as follows:

during specific use, the electro-spinning solution is filled in the injection cylinder 14, the threaded rod 19 is driven to rotate through the rotating handle 17, the threaded rod 19 is matched with the mounting frame 22 through threads, meanwhile, the mounting frame 22 is driven to move through sliding of the mounting frame 22 and the transverse shaft 21, the pointer 1 and the receiving device 23 are driven to move synchronously through sliding of the mounting frame 22, at the moment, the pointer 1 points to the position of the scale value on the scale line 3, when the pointer 1 points to the scale value on the scale line 3 to be the required distance value between the spinning needle 16 and the receiving device 23, the control switch 15 is turned on to enable the device to be electrified, the high-voltage electrostatic generator 5 is started, the high-voltage electrostatic generator 5 works between the spinning needle 16 and the receiving device 23 to form a high-voltage electrostatic field, the electric cylinder 11 is started, the telescopic end of the electric cylinder 11 is extended, the pushing block 9 is driven to move, the injector push rod 12 is pushed by the pushing block 9 to enable the injector piston 25 to move, the electro-spinning solution is sprayed to the receiving device 23 through the spinning needle 16, the electro-spinning solution forms jet flow under the action of the high-voltage electrostatic field, finally, the nano-spinning solution is formed into the effect of the high-voltage electrostatic field, the high-voltage electrostatic generator 5 can be effectively inserted into the receiving device 23 through the receiving device, the high-voltage electrostatic card can be conveniently used by a researcher, the user can be conveniently understood by a user, and can be replaced by a user, and can be conveniently and can be easily replaced by a user.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An electrostatic spinning device comprising a housing (20), characterized in that: the utility model discloses a box, including box (20), box, syringe, electric cylinder, syringe, ejector pin, syringe piston, fixed vertical plate (18) are fixed on the inboard bottom fixedly connected with support (8) of box (20), fixed vertical plate (18) are connected with diaphragm (10) are fixed on top of support (8), syringe supporting seat (6) and electric cylinder (11) are connected with ejector pad (9) are fixed on the telescopic end of electric cylinder (11), be provided with the syringe on syringe supporting seat (6), the syringe includes syringe push rod (12), syringe (14), spinning needle (16) and syringe piston (25), syringe (14) set up on syringe supporting seat (6), fixed vertical plate (18) are connected with fixed vertical plate (18) in inboard top of box (20), one side fixedly connected with cross axle (21) of fixed vertical plate (18), one end and the inside wall fixedly connected with ejector pin (19) of box (20), one end and the inside wall rotation of box (20) of threaded rod (19) are connected with threaded rod (19), the inside end of threaded rod (19) is located in the side of the installation frame (22) is threaded connection, the upper end of mounting bracket (22) transversely runs through the outside that the slip cap was located cross axle (21), be provided with receiving arrangement (23) on mounting bracket (22), high-voltage static generator (5) are installed to the inboard of box (20), mounting bracket (22) bottom fixedly connected with pointer (1), box (20) bottom is provided with scale mark (3), pointer (1) corresponds the setting with scale mark (3).

2. The electrospinning apparatus of claim 1, wherein: the injector piston (25) is arranged on the inner side of the injection cylinder (14) in a sliding mode, the spinning needle head (16) is connected to one end of the injection cylinder (14), one end of the injector push rod (12) is fixedly connected with the injector piston (25), and the other end of the injector push rod (12) is arranged on the push block (9).

3. The electrospinning apparatus of claim 1, wherein: the utility model discloses a syringe, including syringe supporting seat (6), upper compressing seat (13) are provided with and compress tightly seat (13), upper compressing seat (13) and injection tube (14) assorted, upper compressing seat (13) are last the symmetry to be provided with two turning handle screw (7), screw hole that is used for with turning handle screw (7) threaded connection and one-to-one is offered at syringe supporting seat (6) top, the bottom of turning handle screw (7) runs through behind upper compressing seat (13) with corresponding screw hole threaded connection.

4. The electrospinning apparatus of claim 1, wherein: two clamping notch (24) are symmetrically arranged on the mounting frame (22), and the edge of the receiving device (23) is inserted into the two clamping notch (24).

5. The electrospinning apparatus of claim 1, wherein: the positive pole of high-voltage static generator (5) is connected with second electrode clamp (4) through the wire, the negative pole of high-voltage static generator (5) is connected with first electrode clamp (2) through the wire, first electrode clamp (2) centre gripping is on receiving arrangement (23), second electrode clamp (4) centre gripping is on spinning needle (16).

6. The electrospinning apparatus of claim 1, wherein: the top of the box body (20) is fixedly connected with a control switch (15).