阅读说明：本技术 一种新材料制备装置及其制备方法 (New material preparation device and preparation method thereof ) 是由 王永飞 于 2021-08-25 设计创作，主要内容包括：一种新材料制备装置及其制备方法,涉及新材料制备技术领域；包括料筒,料筒外侧设有加料管,料筒下端设有用于出料的针头,位于料筒外侧设有用于对准针头喷覆高压气流的高压气体产生设备,料筒上端设有增压泵,增压泵包含第一增压管,且第一增压管延伸至料筒内,第一增压管外侧设有第二增压管；加料管上端套设有拌料管,拌料管内部位于加料管两侧设有一对装有齿形结构模具的弧形板相对运动,连续搓动加料管产生形变,弧形板内侧设有弧形的隔板,隔板与弧形板内侧之间形成密封腔,密封腔内设有电热管,第二增压管与密封腔连通,隔板靠近加料管一侧为齿形结构。现有技术中纳米材料制备设备无法持续加料,不能够满足持续生产的问题。(A new material preparation device and a preparation method thereof relate to the technical field of new material preparation; the device comprises a charging barrel, wherein a charging pipe is arranged on the outer side of the charging barrel, a needle head for discharging is arranged at the lower end of the charging barrel, high-pressure gas generating equipment for aligning the needle head to spray high-pressure gas flow is arranged on the outer side of the charging barrel, a booster pump is arranged at the upper end of the charging barrel, the booster pump comprises a first booster pipe, the first booster pipe extends into the charging barrel, and a second booster pipe is arranged on the outer side of the first booster pipe; the upper end cover of the feeding pipe is provided with a material mixing pipe, a pair of arc plates provided with tooth-shaped structure dies are arranged on two sides of the feeding pipe inside the material mixing pipe in a relative motion mode, the feeding pipe is continuously rubbed to deform, an arc-shaped partition plate is arranged on the inner side of each arc plate, a sealed cavity is formed between each partition plate and the inner side of each arc plate, an electric heating pipe is arranged in each sealed cavity, the second pressurizing pipe is communicated with the sealed cavity, and a tooth-shaped structure is arranged on one side, close to the feeding pipe, of each partition plate. The nanometer material preparation equipment in the prior art can not continuously feed materials and can not meet the problem of continuous production.)

1. A new material preparation device comprises a material cylinder (2) and a feeding pipe (43), wherein the feeding pipe (43) is arranged on the outer side of the material cylinder (2), a needle head (5) used for discharging is arranged at the lower end of the material cylinder (2), and a high-pressure gas generation device (6) used for aligning the needle head (5) to spray high-pressure gas flow is arranged on the outer side of the material cylinder (2), the new material preparation device is characterized in that a booster pump (3) is arranged at the upper end of the material cylinder (2), the booster pump (3) comprises a first booster pipe (31), the first booster pipe (31) extends into the material cylinder (2), and a second booster pipe (32) is arranged on the outer side of the first booster pipe (31); the feed pipe (4) are mixed to feed pipe (43) upper end cover, and the inside feed pipe (43) both sides that are located of mixing feed pipe (4) are equipped with a pair of arc (12) relative motion that are equipped with the profile of tooth structure mould, rub in succession feed pipe (43) and produce deformation, arc (12) inboard is equipped with curved baffle (14), forms sealed chamber between baffle (14) and arc (12) inboard, is equipped with electrothermal tube (13) in the sealed chamber, and second booster tube (32) and sealed chamber intercommunication, baffle (14) are close to feed pipe (43) one side and are the profile of tooth structure, and baffle (14) are close to and are equipped with thermovent (141) in the concave tooth of feed pipe (43) one side.

2. New material preparation device according to claim 1, characterised in that a dial wheel (15) is rotatably arranged in a concave tooth of the side of the partition (14) close to the feeding tube (43).

3. The new material preparation device according to claim 1, characterized in that the lower end of the charging barrel (2) is provided with a support box (1), a material receiving cavity (101) is arranged in the support box (1), the outlet of the needle (5) extends into the material receiving cavity (101), a heater (7) is arranged in the material receiving cavity (101), and the bottom of the material receiving cavity (101) is provided with an openable and closable discharge hole.

4. A new material preparation device according to claim 1, characterized in that a housing (51) is sleeved on the upper end of the needle (5), the outlet of the housing (51) is consistent with the outlet of the needle (51), and the high-pressure gas generating device (6) is communicated with the interior of the housing (51) through a conduit.

5. A new material preparation device according to claim 4, characterized in that a heat conducting plate (8) is movably arranged in the material receiving cavity (101) at the side opposite to the needle head (5), heating wires are arranged in the heat conducting plate (8), a through hole (81) is arranged at the upper end of the heat conducting plate (8), a wave-shaped moving groove (811) is arranged in the through hole (81), a fixing plate (9) is arranged in the material receiving cavity (101) at the side of the heat conducting plate (8) far away from the needle head (5), and an air outlet pipe (91) extending to the inside of the through hole (81) is arranged at the upper end of the fixing plate (9).

6. A new material preparation device as claimed in claim 1, characterized in that the upper end of said support box (1) is provided with an exhaust pipe (10) connected to an exhaust pipe (91).

7. A new material preparation device according to claim 5, characterized in that a rotatable filter screen assembly (16) is arranged at one end of the outlet pipe (91) close to the needle (5), a notch (92) is arranged at the outer side of the outlet pipe (91) corresponding to the filter screen assembly (16), a guide block (163) is arranged at the filter screen assembly (16) corresponding to the notch (92), and the guide block (163) is slidably arranged in the moving groove (811).

8. The new material preparation device as claimed in claim 7, wherein the filter screen assembly (16) comprises oppositely arranged conical nano screens (161), the nano screens (161) are rotatably arranged, cleaning plates (162) which rotate along with the nano screens (161) are arranged in the gaps of the nano screens (161), and the cleaning plates (162) are connected with the outer sides of the oppositely arranged nano screens (161).

9. The method for manufacturing a new material manufacturing apparatus as claimed in any one of claims 1 to 8, characterized by comprising the steps of:

s1: the charging barrel (2) is charged through the charging pipe (43), the charging pipe (43) is kneaded through the relative motion of the arc-shaped plates (12), so that the purposes of charging and stirring materials simultaneously and keeping the good fluidity of spinning stock solution are achieved, and then the raw materials are guided into the charging barrel (2) through the charging pipe (43);

s2: when feeding, starting a booster pump (3), blowing out the spinning solution in the material cylinder (2) by the booster pump (3) through a first booster pipe (31), and simultaneously starting a high-pressure gas generating device (6) to blow airflow to the needle head (5) in the same direction;

s3: a second positive pressure pipe (32) blows partial airflow into the sealed cavity, and the heat flow corresponding to the feeding pipe (43) is blown through the heat dissipation holes (141), so that the entering spinning solution is preheated;

s4: high-pressure gas is blown to spinning solution droplets extruded from the outlet of the needle head (5) by the high-pressure gas generating equipment (6), when the surface tension of the droplets and the pulling force of gas flow reach two-force balance, continuous spinning trickle is formed, so that nano fibers are formed, and the nano fibers are dried and collected by the collecting cavity (101);

s5: high-pressure airflow enters the air outlet pipe (91) through the through hole (81) of the heat conducting plate (8), is discharged through the air outlet pipe (10), intercepts the nano fibers through the screening component (16), and prevents the follow-up airflow from escaping.

Technical Field

The invention relates to the technical field of new materials, in particular to a new material preparation device and a new material preparation method.

Background

The nanofiber is a linear material with a diameter of nanometer scale and a large length and a certain length-diameter ratio, and with the development of modern science, the nanofiber has wide application range, for example, if the nanofiber is implanted on the surface of a fabric, a stable gas film can be formed, and an amphiphobic interface fabric is prepared, so that the fabric can be water-proof, oil-proof and antifouling;

with the continuous development of the application technology of the nanofiber material in various fields, the preparation technology of the nanofiber is further developed and innovated. Up to now, methods for producing nanofibers mainly include chemical methods, phase separation methods, self-assembly methods, spinning methods, and the like. The spinning processing method is considered as the most promising method for preparing the high polymer nano-fiber in a large scale, and mainly comprises an electrostatic spinning method, a two-component composite spinning method, a melt-blowing method, a laser drawing method and the like.

Through search, a published Chinese patent is found, and the publication number is as follows: CN108950701B relates to a device for preparing nano materials, which is to connect a stable high-pressure gas to a connector, push a piston to extrude the spinning solution in a cylinder from a liquid outlet, and blow the stable high-pressure gas to the spinning solution droplets extruded from the liquid outlet through an air nozzle of an air injection system. When the surface tension of the liquid drop and the pulling force of the air flow reach the balance of two forces, continuous spinning trickle is formed, and then the nano fiber is formed. The scheme simplifies the preparation process of the nano material, reduces the production cost, and further solves the problems of low production efficiency, limited production scale and the like of the current fiber preparation;

through repeated research, in order to continue production, then need continuously feed in raw material, among the prior art, utilize piston fortune material mode or other modes that need reduce material chamber space to process and not practical, can not last reinforced, in actual production, the spinning dope has viscosity, and it is smooth and easy inadequately to flow in the reinforced process, consequently, proposes a new material preparation facilities and solves the problem.

Disclosure of Invention

The invention aims to solve the technical problems that the nano material preparation equipment in the prior art cannot continuously feed materials and cannot meet continuous production.

The purpose and the effect of the invention are achieved by the following specific technical means:

a new material preparation device comprises a charging barrel and a charging pipe, wherein the charging pipe is arranged on the outer side of the charging barrel, a needle head for discharging is arranged at the lower end of the charging barrel, high-pressure gas generation equipment for aiming at the needle head to spray high-pressure gas flow is arranged on the outer side of the charging barrel, a booster pump is arranged at the upper end of the charging barrel, the booster pump comprises a first booster pipe, the first booster pipe extends into the charging barrel, and a second booster pipe is arranged on the outer side of the first booster pipe; the feed pipe upper end cover is equipped with mixes the material pipe, mixes the inside feed pipe that is located of feed pipe both sides and is equipped with a pair of arc relative motion who is equipped with the profile of tooth structure mould, rubs the feed pipe in succession and produces deformation, and the arc inboard is equipped with curved baffle, forms sealed chamber between baffle and the arc inboard, and sealed intracavity is equipped with the electrothermal tube, and second pressure boost pipe and sealed chamber intercommunication, baffle are the profile of tooth structure near feed pipe one side, and the baffle is equipped with the thermovent in being close to the concave tooth of feed pipe one side.

Preferably, the concave teeth on one side of the partition board close to the feeding pipe are internally and rotatably provided with rotary dial wheels.

Preferably, the lower end of the charging barrel is provided with a support box, a material receiving cavity is arranged in the support box, an outlet of the needle head extends into the material receiving cavity, a heater is installed in the material receiving cavity, and a discharge hole capable of being opened and closed is formed in the bottom of the material receiving cavity.

Preferably, the upper end of the needle is sleeved with a housing, an outlet of the housing is consistent with an outlet of the needle, and the high-pressure gas generating equipment is communicated with the interior of the housing through a conduit.

Preferably, the heat-conducting plate is arranged in the material receiving cavity in a movable mode on one side opposite to the needle head, the heating wire is arranged inside the heat-conducting plate, a through hole is formed in the upper end of the heat-conducting plate, a wave-shaped moving groove is formed in the through hole, a fixing plate is arranged on one side, away from the needle head, of the material receiving cavity, and the fixing plate is provided with an air outlet pipe extending to the inside of the through hole.

Preferably, the upper end of the support box is provided with an exhaust pipe communicated with the air outlet pipe.

Preferably, the rotatable filtering screen assembly is arranged at one end, close to the needle head, of the inner portion of the air outlet pipe, a notch is formed in the outer side of the air outlet pipe corresponding to the filtering screen assembly, a guide block is arranged on the filtering screen assembly corresponding to the notch, and the guide block is arranged in the moving groove in a sliding mode.

Preferably, the filter sieve subassembly includes the nanometer sieve of the toper form of relative setting, and rotates between the nanometer sieve and set up, and nanometer sieve clearance department sets up and is equipped with and follows the clean board of pivoted, and the clean board meets with the nanometer sieve outside of relative setting.

Preferably, the method for manufacturing the new material manufacturing apparatus includes the steps of:

s1: feeding the material cylinder through the feeding pipe, kneading the feeding pipe through the relative motion of the arc-shaped plates, stirring the materials while feeding, keeping the good fluidity of the spinning solution, and guiding the raw materials into the material cylinder through the feeding pipe;

s2: starting a booster pump at the same time of feeding, blowing out the spinning solution of the material cylinder by the booster pump through a first booster pipe, and simultaneously starting high-pressure gas generation equipment to blow airflow in the same direction to the needle head;

s3: and part of the air flow is blown into the sealed cavity by the second positive pressure pipe, and the heat flow is blown to the corresponding feeding pipe through the heat dissipation holes, so that the entering spinning solution is preheated.

S4: high-pressure gas is blown to spinning solution droplets extruded from the outlet of the needle by high-pressure gas generating equipment, when the surface tension of the droplets and the tension of gas flow reach two-force balance, continuous spinning trickle is formed, so that nano fibers are formed, and the nano fibers are dried and collected by a collecting cavity;

s5: the high-pressure airflow enters the air outlet pipe through the through hole of the heat conducting plate, is discharged through the air outlet pipe, intercepts the nano fibers through the screening component and prevents the follow-up airflow from escaping.

Has the advantages that:

1. this kind of new material preparation facilities is provided with mixes the material pipe, start rotary cylinder, can drive shaft reciprocating rotation through incomplete gear, and then carry out relative motion along the slide bar through drive shaft drive gear drive arc, and then rub the filling tube, make the inside flow in-process of filling tube reach the stirring through the arc motion and rub the effect, keep spinning stoste mobility, increase pressure to the feed cylinder inside through the booster pump, extrusion spinning stoste through pressure is from the syringe needle blowout, and then under the condition that does not influence the inside material chamber environment of feed cylinder, continuously through the conveying in the feed cylinder of filling tube, and then reach the process of continuous production.

2. This kind of new material preparation facilities is provided with the filter sieve subassembly, is located the in-process that the through-hole removed at the outlet duct, receives the influence of wave form shifting chute for the swing of nanometer sieve is the toper form between the nanometer sieve, and the swing of nanometer sieve of one side, the swing is also followed to the opposite side nanometer sieve, and the clean board is cleaned the nanometer sieve surface simultaneously, prevents to block up.

Description of the drawings:

FIG. 1 is a schematic view of a new material preparation apparatus according to the present invention.

FIG. 2 is a schematic diagram of the outer structure of the stirring tube according to the present invention.

FIG. 3 is a schematic cross-sectional view of a stirring tube of the present invention.

Fig. 4 is a schematic view of the internal structure of the arc plate of the present invention.

Fig. 5 is a schematic view of the outlet pipe structure of the present invention.

FIG. 6 is a partial schematic view of a via according to the present invention.

FIG. 7 is a schematic view of the construction of a filter screen assembly of the present invention.

In FIGS. 1-7: the device comprises a support box 1, a material receiving cavity 101, a material barrel 2, a booster pump 3, a first booster pipe 31, a second booster pipe 32, a material mixing pipe 4, a driving shaft 41, an incomplete gear 42, a feeding pipe 43, a needle 5, an outer cover 51, high-pressure gas generating equipment 6, a heater 7, a heat conducting plate 8, a through hole 81, a moving groove 811, a fixing plate 9, an air outlet pipe 91, a notch 92, an exhaust pipe 10, a sliding rod 11, an arc-shaped plate 12, an electric heating pipe 13, a partition plate 14, a heat dissipation port 141, a rotary dial wheel 15, a filter screen component 16, a nano screen 161, a cleaning plate 162 and a guide block 163.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a new material preparation device comprises a material cylinder 2 and a feed pipe 43, wherein the material cylinder 2 is vertically installed at the upper end of a support box 1, the feed pipe 43 is fixedly installed at the outer side of the material cylinder 2, a needle 5 for discharging is fixedly installed at the lower end of the material cylinder 2, a high-pressure gas generation device 6 for aligning the needle 5 to spray high-pressure gas flow is arranged at the outer side of the material cylinder 2, the high-pressure gas generation device 6 is fixedly installed at the upper end of the support box 1, a high-pressure blower can be selected as the high-pressure gas generation device 6, a booster pump 3 is installed at the upper end of the material cylinder 2, the booster pump 3 comprises a first booster pipe 31 which is integrally arranged, the first booster pipe 31 extends into the material cylinder 2, and a second booster pipe 32 is communicated with the outer side of the first booster pipe 31; the upper end of the feeding pipe 43 is sleeved and fixed with a mixing pipe 4, a pair of arc plates 12 provided with tooth-shaped structure molds are arranged inside the mixing pipe 4 and positioned at two sides of the feeding pipe 43 to move relatively, the feeding pipe 43 is twisted continuously to deform, slide rods 11 are fixed at two sides of the feeding pipe 43, the outer sides of the arc plates 12 are sleeved and connected at the upper ends of the slide rods 11, springs are sleeved and connected at the upper ends of the slide rods 11, gear teeth are arranged at the front sides of the arc plates 12 relatively, a driving shaft 41 is arranged at the outer side of the mixing pipe 4 corresponding to the gear teeth between the arc plates 12 in a rotating manner, one end of the driving shaft 41 extends into the mixing pipe 4, gears are fixed at the inner side and the outer side of the driving shaft 41 and positioned at the inner side of the mixing pipe 4, the gear teeth on one side of the inner side of the driving shaft 41 are engaged and connected with the gear teeth between the arc plates 12, and an incomplete gear 42 is arranged at the outer side of the mixing pipe 4, the incomplete gear 42 is engaged and clamped with a gear on the outer side of the driving shaft 41, and the incomplete gear 42 is connected with a rotary cylinder arranged on the outer side of the material mixing pipe 4; starting a rotary cylinder, driving a driving shaft 41 to rotate in a reciprocating manner through an incomplete gear 42, further driving a gear to drive an arc-shaped plate 12 to move relatively along a sliding rod 11 through the driving shaft 41, further kneading a feeding pipe 43, so that a stirring and kneading effect is achieved through the movement of the arc-shaped plate 12 in the flowing process inside the feeding pipe 43, the fluidity of a spinning stock solution is kept, pressure is increased inside a charging barrel 2 through a booster pump 3, the spinning stock solution is ejected from a needle head 5 through the extrusion of the pressure, and then the feeding into the charging barrel 2 through the feeding pipe 43 is continued under the condition that the environment of a material cavity inside the charging barrel 2 is not influenced, so that the continuous production process is achieved;

an arc-shaped partition plate 14 is integrally formed on the inner side of the arc-shaped plate 12, a sealed cavity is formed between the partition plate 14 and the inner side of the arc-shaped plate 12, an electric heating pipe 13 is installed in the sealed cavity, a second pressure increasing pipe 32 is communicated with the sealed cavity, one side, close to the feeding pipe 43, of the partition plate 14 is of a tooth-shaped structure, and a heat radiating opening 141 is formed in a concave tooth on one side, close to the feeding pipe 43, of the partition plate 14; the air in the sealed cavity is preheated by the electric heating tube 13, and the preheated air is guided to the feeding tube 43 from the heat dissipation port 141 by the second pressurizing tube 32, so that the spinning solution achieves the preheating effect, and the spinning solution keeps good fluidity in the charging barrel 2, thereby facilitating the preparation of the nano fibers.

Wherein: a rotary dial wheel 15 is rotationally arranged in a concave tooth on one side of the clapboard 14 close to the feeding pipe 43; the outside of the rotary dial wheel 15 is a dial rod extending outwards, the rotary dial wheel 15 is rotated by gas flowing, and is in surface contact with the feed pipe 43 in the rotating process, so that the feed pipe 43 is prevented from being blocked, and the flow of the spinning dope in the feed pipe 43 is accelerated.

Wherein: the support box 1 is divided into two parts through a partition plate, one side, far away from the charging barrel 2, is provided with a material receiving cavity 101, an outlet of the needle 5 extends into the material receiving cavity 101, a heater 7 is installed in the material receiving cavity 101, the bottom of the material receiving cavity 101 is provided with a discharge hole capable of being opened and closed, the discharge hole is provided with an opening and closing cover in threaded connection, the upper end of the needle 5 is sleeved with an outer cover 51, the outlet of the outer cover 51 is consistent with the outlet of the needle 51 and is communicated with the material receiving cavity 101, and the high-pressure gas generating equipment 6 is communicated with the inner part of the outer cover 51 through a conduit; the high-pressure gas generating equipment 6 blows high-pressure gas to the spinning solution droplets extruded from the outlet of the needle 5, when the surface tension of the droplets and the pulling force of the gas flow reach a balance of two forces, continuous spinning trickle is formed, so that the nano fibers are formed, and are dried and collected through the material collecting cavity 101.

Wherein: a heat conducting plate 8 is movably arranged on one side, opposite to the needle head 5, of the material receiving cavity 101, the heat conducting plate 8 can move horizontally, heating wires are arranged in the heat conducting plate 8 and heat the heat conducting plate 8, a through hole 81 is formed in the upper end of the heat conducting plate 8, a wave-shaped moving groove 811 is formed in the through hole 81, a fixing plate 9 is fixedly arranged on one side, far away from the needle head 5, of the heat conducting plate 8 in the material receiving cavity 101, a return spring is connected between the moving plate 8 and the fixing plate 9, an air outlet pipe 91 extending into the through hole 81 is arranged at the upper end of the fixing plate 9, an exhaust pipe 10 communicated with the air outlet pipe 91 is arranged at the upper end of the support box 1, a rotatable filter screen assembly 16 is arranged inside the air outlet pipe 91 and close to the needle head 5, a notch 92 is formed in the outer side of the air outlet pipe 91 and corresponds to the filter screen assembly 16, a guide block 163 is arranged in the moving groove 811 in a sliding manner; filter screen subassembly 16 is less than 180 at the rotatory angle of breach 92, receives the pressure influence of receiving material chamber 101, and heat-conducting plate 8 removes toward fixed plate 9 one side, and heat-conducting plate 8 can intercept the nanofiber, and self has heat can dry nanofiber, and high-pressure draught gets into outlet duct 91 through heat-conducting plate 8's through-hole 81, discharges through blast pipe 10 at last, intercepts nanofiber through screen subassembly 16, prevents that nanofiber from following the air current and running out.

Wherein: the filter screen assembly 16 comprises conical nano screens 161 which are oppositely arranged, the nano screens 161 are rotatably arranged, cleaning plates 162 which rotate along with the nano screens 161 are arranged at the gaps of the nano screens 161, and the cleaning plates 162 are connected with the outer sides of the nano screens 161 which are oppositely arranged; the fixed guide block 163 in the corresponding nanometer sieve 161 outside of breach 92 department is located the in-process that the through-hole 81 removed at outlet duct 91, receives the influence of wave form shifting chute 811 for the swing of nanometer sieve 161 is the toper form between the nanometer sieve 161, and the swing of nanometer sieve 161 of one side, and the swing is also followed to other side nanometer sieve 161, and clean board 162 cleans nanometer sieve 161 surface simultaneously, prevents to block up.

Wherein: the preparation method of the new material preparation device comprises the following steps:

s1: the charging barrel 2 is charged through the charging pipe 43, the charging pipe 43 is kneaded through the relative motion of the arc-shaped plates 12, so that the purposes of charging and stirring materials simultaneously and keeping the good fluidity of the spinning solution are achieved, and then the raw materials are guided into the charging barrel 2 through the charging pipe 43;

s2: when feeding, starting a booster pump 3, blowing out the spinning solution in the cylinder 2 by the booster pump 3 through a first booster pipe 31, and simultaneously starting a high-pressure gas generating device 6 to blow gas flow in the same direction of the needle head 5;

s3: the second positive pressure pipe 32 blows part of the air flow into the sealed cavity, and the heat flow corresponding to the feeding pipe 43 is blown through the heat dissipation holes 141, so that the entering spinning solution is preheated.

S4: the high-pressure gas generating equipment 6 blows high-pressure gas to the spinning solution droplets extruded from the outlet of the needle 5, when the surface tension of the droplets and the pulling force of the gas flow reach a balance of two forces, continuous spinning trickle is formed, so that nano fibers are formed, and the nano fibers are dried and collected through the collecting cavity 101;

s5: the high-pressure air flow enters the air outlet pipe 91 through the through hole 81 of the heat conducting plate 8 and is finally discharged through the air outlet pipe 10, and the nano fibers are intercepted through the screening component 16 to prevent the follow-up air flow from escaping.

The working principle is as follows:

the charging barrel 2 is charged through the charging pipe 43, the rotary cylinder is started, the driving shaft 41 can be driven to rotate in a reciprocating manner through the incomplete gear 42, the driving shaft 41 drives the gear to drive the arc plate 12 to move relatively along the sliding rod 11, the charging pipe 43 is further kneaded, so that the stirring and kneading effects are achieved through the movement of the arc plate 12 in the flowing process inside the charging pipe 43, the fluidity of the spinning solution is kept, the pressure is increased inside the charging barrel 2 through the booster pump 3, the spinning solution is sprayed out from the needle head 5 through the extrusion of the pressure, meanwhile, the high-pressure gas generating device 6 is started to blow the air flow in the same direction of the needle head 5, part of the air flow is blown into the sealed cavity through the second positive pressure pipe 32, the heat flow corresponds to the charging pipe 43 through the heat dissipation holes 141, the entering spinning solution is preheated, the high-pressure gas generating device 6 blows the high-pressure gas to the spinning solution drops extruded from the outlet of the needle head 5, when the surface tension of the liquid drops and the pulling force of the air flow reach a balance of two forces, a continuous spinning trickle is formed, so that nanofibers are formed, drying and collection are performed through the material receiving cavity 101, high-pressure air flow enters the air outlet pipe 91 through the through hole 81 of the heat conducting plate 8, and is finally discharged through the air outlet pipe 10, the nanofibers are intercepted through the screening assembly 16, the follow-up air flow is prevented from running out, in the process that the air outlet pipe 91 is located in the through hole 81 to move, under the influence of the wave-shaped moving groove 811, the nano sieves 161 swing, the nano sieves 161 are in a cone shape, the nano sieves 161 on one side swing, the nano sieves 161 on the other side also swing, and meanwhile, the cleaning plate 162 cleans the surfaces of the nano sieves 161 and prevents blockage.