CN110670150A

CN110670150A - Hand-held type electrostatic spinning spray gun

Info

Publication number: CN110670150A
Application number: CN201810727275.3A
Authority: CN
Inventors: 于淼; 龙云泽
Original assignee: Qingdao Junada Automation Equipment Co Ltd
Current assignee: Qingdao Junada Automation Equipment Co Ltd
Priority date: 2018-07-03
Filing date: 2018-07-03
Publication date: 2020-01-10

Abstract

The invention discloses a handheld electrostatic spinning spray gun which comprises an insulating shell, wherein a portable high-voltage power supply and a syringe barrel are arranged in the insulating shell, a push rod is arranged in the syringe barrel, a piston end of the push rod is inserted into the syringe barrel, the other end of the push rod extends out of the insulating shell, a liquid outlet of a needle head arranged on a needle base at the lower end of the syringe barrel penetrates out of a through hole at the lower end of the insulating shell, the portable high-voltage power supply comprises a hand-operated generator, the anode of the portable high-voltage power supply is connected with the needle head through a lead, and the cathode of the. The device has the advantages of simple structure, portability and easy operation, gets rid of the limitation of a mains supply, and can realize electrostatic spinning in the environment that the mains supply cannot be supplied such as power failure and power failure.

Description

Hand-held type electrostatic spinning spray gun

Technical Field

The invention belongs to the technical field of electrostatic spinning, and particularly relates to a handheld electrostatic spinning spray gun.

Background

The electrostatic spinning method is one of the simplest and most effective methods for preparing the one-dimensional micro-nano fiber at present. The electrostatic spinning technology comprises two parts of solution electrostatic spinning and melt electrostatic spinning, and the principle can be briefly described as that charged high molecular solution or melt overcomes the actions of surface tension, gravity and the like under the action of a high-voltage electrostatic field to form charged jet flow, the jet flow further accelerates under the action of a high-voltage electric field to move, stretching or splitting and thinning are carried out, and then the micro-nano fiber is formed through solution volatilization or melt solidification. The micro-nano fiber prepared by processing the electrostatic spinning technology has the excellent characteristics of high specific surface area, larger length/diameter ratio, unique physical and chemical properties and the like, and shows great application potential in the fields of biological tissue engineering, wound dressing, filtration protection, drug sustained release, flexible devices and the like. At present, extensive research and application are being conducted on an electrospinning device, and a conventional electrospinning device is mainly composed of a high voltage power supply, a spinning solution container with a spinneret, and a fiber collecting plate. The electrostatic spinning device applied to the micro-nanofiber processing and preparation at present shows two trends: firstly, the precise deposition and positioning of the fiber; secondly, industrial mass production. However, in practical application, the spinning solution is generally spun into a nanofiber membrane by using electrostatic spinning equipment and then transferred to a use position, the transfer process and the storage difficulty of the fiber membrane are high, meanwhile, the conventional electrostatic spinning equipment is large in size, not easy to carry, and strong in dependence on an external power supply, most of spinning is carried out in a relatively closed environment, and the size and the shape of the fiber membrane are greatly limited, so that the development of portable electrostatic spinning equipment which is not limited by the external power supply and is convenient to carry and use is necessary.

Disclosure of Invention

The invention aims to make up the blank of the prior art, and provides a handheld electrostatic spinning spray gun which is simple in structure, convenient to carry and easy to operate, gets rid of the limitation of a mains supply and can realize electrostatic spinning in the environment that the mains supply cannot be supplied, such as power failure and power failure.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the utility model provides a hand-held type electrostatic spinning spray gun, includes insulating casing, install portable high voltage power supply, syringe section of thick bamboo in the insulating casing syringe section of thick bamboo in install the push rod, in the piston end of push rod inserted syringe section of thick bamboo, outside the other end of push rod stretches out insulating casing, the liquid outlet of installing the syringe needle on syringe section of thick bamboo lower extreme needle file was worn out from the through-hole of insulating casing lower extreme, portable high voltage power supply contains hand formula generator, and the positive pole of portable high voltage power supply passes through the wire and connects syringe needle, portable high voltage power supply's negative pole ground.

This electrostatic spinning device adopts the portable high voltage power supply of hand power generation formula to spin required high-voltage electricity in-process, forms the high-voltage electrostatic field between spinning nozzle and electrospun fiber collection mechanism, and tensile splitting forms micro-nanofiber under the effect of electric field force, need not external mains supply in this process for the restriction of commercial power has been got rid of in the electrospinning process, can go on under the environment that can't supply commercial power such as outage, power failure, the device simple structure can regard as the presentation device use of electrostatic spinning experiment.

Further, rechargeable battery is connected to the hand formula generator and charges for rechargeable battery, rechargeable battery connects the high voltage converter, as the power supply of high voltage converter, the positive, negative pole of the voltage output end of high voltage converter are regarded as portable high voltage power supply's positive and power negative pole respectively, hand formula generator, rechargeable battery, high voltage converter are all installed in insulating casing, and the crank of hand formula generator sets up in insulating casing outside.

Further, insulating casing's lower extreme install the syringe needle safety cover, syringe needle safety cover lower extreme opening, the axis coincidence of syringe needle and syringe needle safety cover, the liquid outlet of syringe needle sets up in the syringe needle safety cover.

Furthermore, a transparent observation window is arranged on the insulating shell, and the transparent observation window is arranged on the insulating shell close to the side wall of the syringe barrel. The transparent observation window is convenient for observing the liquid level position of the spinning solution in the syringe barrel, and the spinning solution is added at any time.

The invention has the beneficial effects that: the handheld electrostatic spinning spray gun provided by the invention fills the blank of the prior art, is simple in structure, convenient to carry and easy to operate, gets rid of the limitation of a mains supply, and can realize electrostatic spinning in the environment that the mains supply cannot be supplied, such as power failure and power failure. This electrostatic spinning device adopts the portable high voltage power supply of hand power generation formula to spin required high-voltage electricity in-process, form the high-voltage electrostatic field between spinning nozzle and electrospun fiber collection mechanism, tensile splitting forms micro-nanofiber under the effect of electric field force, this in-process need not external mains supply, make the electrospinning process break away from the restriction of commercial power, can be at the outage, go on under the environment that can't supply commercial power such as power failure, the device simple structure, the equipment of being convenient for, easy operation, it is with low costs, can regard as the presentation device use of electrostatic spinning experiment.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

in the figure: 1-insulating shell, 2-syringe barrel, 3-push rod, 4-transparent observation window, 5-needle, 6-needle protective cover, 7-hand generator, 71-crank, 8-rechargeable battery, 9-high voltage power supply and 10-wire.

Detailed Description

The invention will be better understood from the following examples. However, one skilled in the art will readily appreciate that the specific material proportions, process conditions, and results thereof described in the examples are illustrative only and should not, nor should they, limit the invention as detailed in the claims.

Example 1

As shown in fig. 1 and 2, a hand-held type electrostatic spinning spray gun, including insulating casing 1, install portable high voltage power supply, syringe section of thick bamboo 2 in insulating casing 1 syringe section of thick bamboo 2 in install push rod 3, in the piston end of push rod 3 inserted syringe section of thick bamboo 2, outside the other end of push rod 3 stretched out insulating casing 1, the liquid outlet of installing syringe needle 5 on 2 lower extreme needle file of syringe section of thick bamboo worn out from the through-hole of insulating casing 1 lower extreme, portable high voltage power supply contains hand formula generator 7, and portable high voltage power supply's positive pole passes through wire 10 and connects syringe needle 5, portable high voltage power supply's negative pole ground connection.

Specifically, rechargeable battery 8 is connected to hand generator 7 and charges for rechargeable battery 8, rechargeable battery 8 connects high voltage converter 9, as the power supply of high voltage converter 9, the positive, negative pole of the voltage output end of high voltage converter 9 are regarded as portable high voltage power supply's power positive pole and power negative pole respectively, hand generator 7, rechargeable battery 8, high voltage converter 9 are all installed in insulating casing 1, and hand generator 7's crank 71 sets up in insulating casing 1 outside. The lower extreme of insulating casing 1 install syringe needle safety cover 6, 6 lower extreme openings of syringe needle safety cover, the axis coincidence of syringe needle 5 and syringe needle safety cover 6, the liquid outlet of syringe needle 5 sets up in syringe needle safety cover 6. The insulating shell 1 is provided with a transparent observation window 4, and the transparent observation window 4 is arranged on the insulating shell 1 close to the side wall of the syringe barrel 3.

While the invention has been described with respect to specific embodiments thereof, it will be understood by those skilled in the art that the foregoing and other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention. Those skilled in the art can make various changes, modifications and alterations without departing from the spirit and scope of the present invention; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the present invention, are also within the scope of the technical solution of the present invention. The detailed disclosure of the present invention is not prior art.

Claims

1. The utility model provides a hand-held type electrostatic spinning spray gun, a serial communication port, including insulating casing (1), install portable high voltage power supply, syringe section of thick bamboo (2) in insulating casing (1), syringe section of thick bamboo (2) in install push rod (3), the piston end of push rod (3) inserts syringe section of thick bamboo (2), outside the other end of push rod (3) stretched out insulating casing (1), the liquid outlet of installing syringe needle (5) on syringe section of thick bamboo (2) lower extreme needle file was worn out from the through-hole of insulating casing (1) lower extreme, portable high voltage power supply contains hand generator (7), and portable high voltage power supply's anodal lead (10) connection syringe needle (5), portable high voltage power supply's negative pole ground connection.

2. The hand-held electrostatic spinning spray gun according to claim 1, characterized in that the hand-operated generator (7) is connected with the rechargeable battery (8) and charges the rechargeable battery (8), the rechargeable battery (8) is connected with the high-voltage converter (9) and serves as a power supply of the high-voltage converter (9), the positive pole and the negative pole of the voltage output end of the high-voltage converter (9) serve as the positive pole and the negative pole of the power supply of the portable high-voltage power supply respectively, the hand-operated generator (7), the rechargeable battery (8) and the high-voltage converter (9) are installed in the insulating shell (1), and the crank (71) of the hand-operated generator (7) is arranged outside the insulating shell (1).

3. A hand-held electrospinning spray gun according to claim 1 characterized in that the lower end of the insulating housing (1) is provided with a needle shield (6), the lower end of the needle shield (6) is open, the central axes of the needle (5) and the needle shield (6) coincide, and the liquid outlet of the needle (5) is arranged in the needle shield (6).

4. A hand-held electrospinning spray gun according to claim 1, characterised in that a transparent viewing window (4) is provided in the insulating housing (1), said transparent viewing window (4) being provided in the insulating housing (1) close to the side wall of the syringe barrel (3).