Electrospinning nanofiber mask preparation device and preparation method

The preparation of nanofiber masks by electrospinning technology solves the problems of unstable liquid components and complex preparation methods in traditional masks, achieving efficient water-locking and moisturizing effects and rapid skin care, while reducing production costs.

CN117535869BActive Publication Date: 2025-11-21SUDA NEW MATERIAL DEV (SUZHOU) CO LTD
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Patent Information

Application Number
CN202311516213.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-14
Publication Date
2025-11-21
Estimated Expiration
2043-11-14

AI Technical Summary

Technical Problem

Traditional sheet masks suffer from problems such as unstable liquid composition, significant loss of active ingredients, and inconvenience of use. Furthermore, existing preparation methods are complex or costly, making mass production difficult.

Method used

Nanofiber masks are prepared using electrospinning technology. Moisturizing ingredients and water-soluble polymers are dissolved in deionized water using electrospinning equipment. The spinning precursor solution is then sprayed into nanofibers using an electric field generated by a high-voltage electrode, forming a dry nanofiber mask.

Benefits of technology

Electrospun nanofiber masks have a high specific surface area and high porosity, which can effectively lock in moisture, maintain the activity of ingredients, quickly deliver nutrients to the skin, improve usage efficiency and fit, and reduce production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a mask preparation technical field, in particular to a electrospinning nanofiber mask preparation device and preparation method; the front end surface of the electrospinning seat is rotationally connected with two closed covers; the inner wall edge of the electrospinning seat is provided with a supporting seat; the supporting seat is rotationally connected with a collecting pipe; the end of the collecting pipe is connected with the output end of a motor; under the action of electrostatic force, the liquid drops at the needle head change from spherical shape into conical shape (i.e. Taylor cone), and the fiber filaments are obtained by extending from the conical tip and gradually cover the non-woven fabric on the surface of the collecting pipe; meanwhile, the driving motor one drives the rotation of the collecting pipe, the non-woven fabric on the surface of the collecting pipe is driven to rotate, so that the fiber filaments can gradually cover the remaining end surface of the non-woven fabric; and through the driving of the reciprocating mechanism, the L-shaped pusher and the needle spray pipe and the needle head can be driven to reciprocate, so that the fiber filaments can be spun on the surface of the whole non-woven fabric, and the formation of the nanofiber mask is facilitated.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mask preparation, in particular to a static electrospinning nanofiber mask preparation device and method. BACKGROUND

[0002] With the demand of new generation of consumers, the use of masks is becoming more and more popular and daily. The mask market in China is rapidly expanding, and traditional patch masks occupy a large part of the market. Most of the traditional patch masks use ordinary fabric as the mask base cloth, and are used with essence liquid. The liquid component of the mask has some unstable active ingredients, which are easy to oxidize and cause the efficacy components to deteriorate, causing facial allergic reactions.

[0003] Most of the traditional patch masks use ordinary fabric as the mask base cloth, and are used with essence liquid. The efficacy components are lost too much, affecting the efficacy of the mask. There are disadvantages such as easy loss of essence liquid, inconvenience to use, low utilization, and long use time when using. Masks can be divided into patch masks, tear-off masks, mud masks, cream masks, and jelly masks according to type.

[0004] The preparation method of the existing patch mask cloth includes sizing, water jet, physical or chemical bonding, but these methods have certain defects: the sizing method is complicated and not suitable for mass production; although the water jet process can produce soft and breathable non-woven fabric, the equipment is complex and the production cost is high; physical or chemical bonding requires bonding and reinforcement, in addition, the prepared film cloth fiber is thick and cannot completely adhere to the face.

[0005] Therefore, the present application provides a static electrospinning nanofiber mask preparation device and method to solve the above problems. SUMMARY

[0006] To solve the above technical problems, the present application provides a static electrospinning nanofiber mask preparation method, comprising the following steps:

[0007] S1, stirring the moisturizing ingredients, water-soluble polymer, and deionized water to obtain a spinning precursor solution;

[0008] S2, adding the spinning precursor solution to the electrospinning equipment for treatment to obtain a nanofiber mask

[0009] In an embodiment of the present application, the moisturizing ingredients in S1 include at least one of sodium hyaluronate, mannose, hydrolyzed collagen, and silk fibroin peptide;

[0010] The water-retaining polymer in S1 is at least one of PVA (Polyvinyl Alcohol) and PVP (Polyvinyl Pyrrolidone);

[0011] The mass concentration of the moisturizing component in S1 in the spinning precursor solution is 0.5%-2.5%, and the mass concentration of the water-soluble polymer in S1 in the spinning precursor solution is 10%-15%;

[0012] The voltage of the electrospinning device in S2 is set to 50kV; the temperature of the electrospinning device is set to 40℃; the humidity of the electrospinning device is set to 60%; and the sample injection rate of the electrospinning device is set to 700mL / h.

[0013] In an embodiment of the present application, an electrospinning nanofiber mask preparation device is used to prepare the mask of the electrospinning nanofiber mask preparation method described above, characterized in that the electrospinning device in S2 comprises an electrospinning seat, the front end surface of the electrospinning seat is rotatably connected with two closed covers, a support seat is installed at the edge of the inner wall of the electrospinning seat, a collection pipe is rotatably connected in the support seat, the end of the collection pipe is connected with the output end of a motor, an injector is arranged on the side of the inner wall of the electrospinning seat away from the collection pipe, a needle spray pipe is installed at the end of the injector, a placement mechanism is arranged at the corresponding position of the inner wall of the electrospinning seat and the injector, the placement mechanism is used to place the injector and push the precursor solution in the injector to be sprayed out, an L-shaped push seat is arranged inside the electrospinning seat and between the injector and the collection pipe, a reciprocating mechanism is arranged at the corresponding position of the L-shaped push seat in the electrospinning seat, the reciprocating mechanism is used to drive the L-shaped push seat to move back and forth, a positive front electrode is arranged above the L-shaped push seat, and a high-voltage electrode is arranged on one side of the support seat.

[0014] In an embodiment of the present application, two holes are formed in the inside of the placement seat, a sliding rod is slidably connected in each hole, a push cylinder is installed at the position of the inner wall of the electrospinning seat close to the injector, a U-shaped frame is installed at the telescopic end of the push cylinder, a wedge-shaped seat is installed at the end of the U-shaped frame, the inclined surface of the wedge-shaped seat is in contact with the end of the sliding rod, and a ring-shaped plate is fixedly connected at the end of the sliding rod away from the wedge-shaped seat.

[0015] In an embodiment of the present application, the placing mechanism comprises a placing seat fixed to the inner wall of the electrostatic spinning seat, an annular groove is formed in the placing seat, the injector is placed in the annular groove, a fixing frame is installed at the corresponding position of the inner wall of the electrostatic spinning seat and the injector, a threaded rod is rotatably connected in the fixing frame, the end of the threaded rod is connected with the output end of the motor two, the motor two is installed in the fixing frame, a push plate is threadedly connected to the outer surface of the threaded rod, and the end of the push plate is in contact with the piston rod of the injector.

[0016] In an embodiment of the present application, the outer surface of the sliding rod is sleeved with a telescopic spring, the material of the two annular plates is rubber, and the sliding rod and the wedge-shaped seat are rotatably connected with a ball at the corresponding position.

[0017] In an embodiment of the present application, the reciprocating mechanism comprises a reciprocating air cylinder fixed to the inner wall of the bottom of the electrostatic spinning seat, and the telescopic end of the reciprocating air cylinder is in contact with the side wall of the L-shaped push seat.

[0018] In an embodiment of the present application, the outer surfaces of the L-shaped push seat and the push plate are provided with guide grooves, the bottom arm of the electrostatic spinning seat is provided with a guide rod at the corresponding position of the guide groove, and the guide rod penetrates into the guide groove.

[0019] In an embodiment of the present application, the top of the L-shaped push seat is rotatably connected with a clamping rod, the top of the L-shaped push seat is provided with a groove matched with the clamping rod, the side wall of the clamping rod is provided with a friction pattern, and a limiting spring is fixed between the clamping rod and the side wall of the L-shaped push seat.

[0020] In an embodiment of the present application, the surface of the supporting seat is provided with a threaded groove, a threaded clamping rod is threadedly connected in the threaded groove, and a heating wire is installed on the inner wall of the electrostatic spinning seat.

[0021] The above technical scheme of the present application has the following advantages compared with the prior art:

[0022] The electrospinning nanofiber mask preparation device and preparation method of the application process the efficacy components of the mask through electrospinning technology. The electrospinning nanofiber has the advantages of high specific surface area, small diameter, small pore size and high porosity, so that the moisturizing components of the nanofiber mask can better adhere to the polymer fibers or their pore diameters, and various components can play a synergistic effect on the skin to achieve excellent water-locking and moisturizing function. The application provides a dry nanofiber mask, which can instantaneously dissolve the efficacy components with a small amount of aqueous solution and quickly deliver the efficacy components into the skin. Compared with traditional liquid essence, the dry nanofiber mask can better maintain the activity of the components, and the instant product is beneficial to people to quickly and efficiently skin care in fragmented time

[0023] The electrospinning nanofiber mask preparation device and preparation method of the application process the efficacy components of the mask through electrospinning technology. The electrospinning nanofiber has the advantages of high specific surface area, small diameter, small pore size and high porosity, so that the moisturizing components of the nanofiber mask can better adhere to the polymer fibers or their pore diameters, and various components can play a synergistic effect on the skin to achieve excellent water-locking and moisturizing function. The application provides a dry nanofiber mask, which can instantaneously dissolve the efficacy components with a small amount of aqueous solution and quickly deliver the efficacy components into the skin. Compared with traditional liquid essence, the dry nanofiber mask can better maintain the activity of the components, and the instant product is beneficial to people to quickly and efficiently skin care in fragmented time BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to make the content of the application more easily understood, the application will be further described in detail below according to specific embodiments of the application and in conjunction with the drawings.

[0025] Figure 1 is a schematic diagram of the three-dimensional structure of the electrospinning seat of the application;

[0026] Figure 2 is a schematic diagram of the internal structure of the electrospinning seat of the application;

[0027] Figure 3 is an enlarged view of the structure at A in the application Figure 2

[0028] Figure 4 is a schematic diagram of the structure of the injector part of the application;

[0029] Figure 5 is a schematic diagram of the structure of the placement seat part of the application;

[0030] Figure 6 is a schematic diagram of the structure of the sliding rod part of the application;

[0031] Figure 7 is a schematic diagram of the structure of the clamping rod part of the application;

[0032] Figure 8 is a flow chart of the method in the application. ​

[0033] The description of the drawings is as follows: 1, electrospinning seat; 2, closing cover; 3, support seat; 301, collection pipe; 4, syringe; 401, needle spray pipe; 5, L-shaped push seat; 6, front positive electrode; 7, high voltage electrode; 8, placing seat; 9, annular groove; 10, fixing frame; 11, threaded rod; 12, push plate; 13, slide rod; 131, telescopic spring; 14, push cylinder; 15, U-shaped frame; 16, wedge-shaped seat; 17, annular plate; 18, reciprocating cylinder; 19, guide rod; 20, clamping rod; 21, limit spring; 22, threaded groove; 23, threaded clamping rod. DETAILED DESCRIPTION

[0034] The present application will be further described below in conjunction with the drawings and specific examples, so that those skilled in the art can better understand the present application and implement it, but the examples are not as a limitation on the present application.

[0035] Reference Figure 8 As shown in the drawings, the electrospinning nanofiber mask preparation method described in the embodiments of the present application comprises the following steps:

[0036] S1, the moisturizing ingredient, water-soluble polymer, and deionized water are stirred to obtain a spinning precursor solution;

[0037] S2, the spinning precursor solution is added to the electrospinning equipment for processing to obtain a nanofiber mask

[0038] The moisturizing ingredient in S1 includes at least one of sodium hyaluronate, mannose, hydrolyzed collagen, and silk fibroin peptide;

[0039] The water-soluble polymer in S1 is at least one of PVA and PVP, PVA (Polyvinyl Alcohol) is polyvinyl alcohol, and PVP (Polyvinyl Pyrrolidone) is polyvinyl pyrrolidone;

[0040] The mass concentration of the moisturizing ingredient in S1 in the spinning precursor solution is 0.5%-2.5%, and the mass concentration of the water-soluble polymer in S1 in the spinning precursor solution is 10%-15%;

[0041] The voltage of the electrospinning equipment in S2 is set to 50kV; the temperature of the electrospinning equipment is set to 40℃; the humidity of the electrospinning equipment is set to 60%; and the sample injection rate of the electrospinning equipment is set to 700mL / h.

[0042] The nanofiber mask provided by the application is obtained by treating the efficacy components of the mask by electrospinning technology, and the electrospun nanofiber has the advantages of high specific surface area, small diameter, small pore size and high porosity, so that the moisturizing components of the nanofiber mask can be better attached to the polymer fibers or inside their pore size, and various components can play a synergistic effect on the skin to achieve excellent water-locking and moisturizing functions; the application provides a dry-type nanofiber mask, which only needs a small amount of aqueous solution to instantaneously dissolve the efficacy components and quickly deliver the efficacy components into the skin. Compared with traditional liquid essence, the dry-type nanofiber mask can better maintain the activity of the components, and the instant-type product is beneficial to people to quickly and efficiently protect the skin in fragmented time.

[0043] Sodium hyaluronate is a polysaccharide substance naturally existing in human tissues and a common skin care ingredient. It has strong moisturizing and water-retaining capacity, can adsorb and lock water, increase the water content of the skin, and make the skin soft, smooth and elastic. Hydrolyzed collagen molecules are smaller and can be more easily absorbed by the human body, and can promote the synthesis of collagen to maintain skin elasticity. Silk fibroin peptide is similar to the components of human facial skin and can effectively supplement the missing nutrients.

[0044] Referring to Figures 1-7 As shown in FIG. 1, an electrospun nanofiber mask preparation device is used to prepare the mask of the electrospun nanofiber mask preparation method, the electrospinning device in S2 includes an electrospinning seat 1, two closed covers 2 are rotatably connected to the front end face of the electrospinning seat 1, a support seat 3 is installed at the edge of the inner wall of the electrospinning seat 1, a collection pipe 301 is rotatably connected in the support seat 3, the end of the collection pipe 301 is connected with the output end of a motor, an injector 4 is arranged on the inner wall of the electrospinning seat 1 away from the collection pipe 301, a needle spray pipe 401 is installed at the end of the injector 4, a placing mechanism is arranged at the corresponding position of the inner wall of the electrospinning seat 1 and the injector 4, the placing mechanism is used to place the injector 4 and push the precursor liquid in the injector 4 to spray out, an L-shaped push seat 5 is arranged inside the electrospinning seat 1 and between the injector 4 and the collection pipe 301, a reciprocating mechanism is arranged at the corresponding position of the L-shaped push seat 5 in the electrospinning seat 1, the reciprocating mechanism is used to drive the L-shaped push seat 5 to reciprocate, a front positive electrode 6 is arranged above the L-shaped push seat 5, and a high-voltage electrode 7 is arranged on one side of the support seat 3;

[0045] When working, after the spinning precursor solution is prepared, the spinning precursor solution is introduced into the syringe 4, and the non-woven fabric receiving the base material is wrapped on the outer surface of the collecting pipe 301, then the controller starts the positive front electrode 6 and the high voltage electrode 7, and then the electrostatic force is generated between the two positive and negative electrodes, the other end of the needle jet pipe 401 at the end of the syringe 4 is fixed above the L-shaped push seat 5, and the needle part is aligned with the collecting pipe 301, then the driving mechanism is driven, the spinning precursor solution in the syringe 4 is sprayed from the needle of the needle jet pipe 401, under the action of the electrostatic force, the droplet at the needle is changed from spherical to conical (Taylor cone), and the fiber filament is obtained from the conical tip, and gradually covers the non-woven fabric on the surface of the collecting pipe 301, at the same time, the motor is driven to rotate the collecting pipe 301, the non-woven fabric on the surface of the collecting pipe 301 is rotated, so that the fiber filament can gradually cover the remaining end surface of the non-woven fabric, and the L-shaped push seat 5, the needle jet pipe 401 and the needle can be driven to reciprocate by the reciprocating mechanism, so that the fiber filament can be spun on the surface of the entire non-woven fabric, thereby facilitating the formation of the nanofiber mask.

[0046] The instant mask prepared by the needleless electrospinning technology can ensure the maximum adhesion to the skin surface, is softer than the traditional mask, and the nutrient ingredients are more easily released to the skin surface, which is helpful to enhance the skin permeability and restore the young state of the skin. The needleless electrospinning technology can improve the production efficiency and save the cost.

[0047] The placing mechanism comprises a placing seat 8 fixed to the inner wall of the electrospinning seat 1, an annular groove 9 is formed in the placing seat 8, the syringe 4 is placed in the annular groove 9, a fixing frame 10 is installed at the corresponding position of the inner wall of the electrospinning seat 1 and the syringe 4, a threaded rod 11 is rotatably connected in the fixing frame 10, the end of the threaded rod 11 is connected with the output end of the motor two, the motor two is installed in the fixing frame 10, and a push plate 12 is threadedly connected to the outer surface of the threaded rod 11, and the end of the push plate 12 is in contact with the piston rod of the syringe 4.

[0048] When working, when the spinning precursor solution is placed in the syringe 4 and placed, the syringe 4 is placed in the annular groove 9, then after the remaining steps are operated, the motor two is controlled to drive the threaded rod 11 to rotate, the threaded rod 11 drives the push plate 12 to move to the side close to the piston rod of the syringe 4, then the push plate 12 extrudes the piston rod of the syringe 4, and the spinning precursor solution in the syringe 4 is sprayed from the needle jet pipe 401, so that the formation of the fine wire can be conveniently limited, thereby facilitating the preparation of the nanofiber mask.

[0049] The inside of the placing seat 8 is provided with two hole grooves, both of which are slidably connected with slide rods 13, a push cylinder 14 is installed on the inner wall of the electrospinning seat 1 close to the side of the syringe 4, the telescopic end of the push cylinder 14 is installed with a U-shaped frame 15, the end of the U-shaped frame 15 is installed with a wedge-shaped seat 16, the inclined surface of the wedge-shaped seat 16 is in contact with the end of the slide rod 13, and the end of the slide rod 13 away from the wedge-shaped seat 16 is fixedly connected with an annular plate 17; when the syringe 4 is placed in the annular groove 9, the push cylinder 14 is controlled to move, the telescopic end of the push cylinder 14 drives the U-shaped frame 15 to move, the U-shaped frame 15 drives the wedge-shaped seat 16 to move to the side close to the slide rod 13, then the inclined surface of the wedge-shaped seat 16 extrudes the end of the slide rod 13, the ends of the two slide rods 13 are pressed and close to each other, that is, the slide rods 13 drive the annular plates 17 to close to each other, then the two annular plates 17 press on the outer surface of the syringe 4, and the two annular plates 17 fix the syringe 4. In this way, the stability of the syringe 4 when being pushed by the push plate 12 is improved, and different diameter syringes 4 can be fixed by the different moving distances of the slide rods 13 being pressed, so that more spinning precursor liquid can be stored, and the precursor liquid can be continuously sprayed and formed into a limiting filament.

[0050] The outer surface of the slide rod 13 is sleeved with a telescopic spring 131, the materials of the two annular plates 17 are rubber, and the corresponding positions of the slide rod 13 and the wedge-shaped seat 16 are rotatably connected with balls; when working, the material of the annular plate 17 is rubber, which can facilitate the fixation of the syringe 4, the balls are arranged at the corresponding positions of the slide rod 13 and the wedge-shaped seat 16, which can facilitate the extrusion of the wedge-shaped seat 16 on the end of the slide rod 13, thereby facilitating the fixation of the syringe 4.

[0051] The reciprocating mechanism comprises a reciprocating cylinder 18 fixed to the bottom inner wall of the electrospinning seat 1, and the telescopic end of the reciprocating cylinder 18 is in contact with the side wall of the L-shaped push seat 5; when the syringe 4 is extruded, the reciprocating cylinder 18 is controlled to move, the reciprocating cylinder 18 drives the L-shaped push seat 5 and the needle spray pipe 401 to reciprocate, thereby facilitating the formation of the surface film of the collecting pipe 301.

[0052] The outer surfaces of the L-shaped push seat 5 and the push plate 12 are provided with guide grooves, the bottom arm of the electrospinning seat 1 is installed with a guide rod 19 at the corresponding position of the guide groove, and the guide rod 19 penetrates into the guide groove; when working, the guide rod 19 is arranged, which can facilitate the movement of the L-shaped push seat 5 and the push plate 12, and is beneficial to the formation of the film.

[0053] The top of the L-shaped pusher 5 is rotationally connected with a clamping rod 20, the top of the L-shaped pusher 5 is provided with a groove matched with the clamping rod 20, the side wall of the clamping rod 20 is provided with friction lines, and the clamping rod 20 and the side wall of the L-shaped pusher 5 are fixedly connected with a limiting spring 21; in the initial state during work, the clamping rod 20 is in contact with the side wall of the L-shaped pusher 5, when it is necessary to fix the end of the needle spray pipe 401, the staff manually pries open the clamping rod 20 and makes the limiting spring 21 in a stretched state, then the end of the needle spray pipe 401 is placed between the clamping rod 20 and the L-shaped pusher 5, then under the recovery of the limiting spring 21, the clamping rod 20 can be driven to return to the initial position and fix the end of the needle spray pipe 401, in this way, the forming quality of the subsequent mask is improved, and the needle spray pipe 401 can be conveniently taken out.

[0054] The surface of the supporting seat 3 is provided with a threaded groove 22, the threaded groove 22 is threadedly connected with a threaded clamping rod 23, the inner wall of the electrospinning seat 1 is provided with a heating wire, and when the humidity in the electrospinning seat 1 is high after long-time work, the heating wire is driven to work by an external controller, so that the humidity in the electrospinning seat 1 is gradually evaporated, and a good environment for mask forming is maintained; when the supporting seat 3 needs to be taken out after the mask is formed, the threaded clamping rod 23 is only needed to be turned out so that the supporting seat 3 is no longer fixed, then the staff can take out the entire supporting seat 3 and take out the formed mask on the surface of the collecting pipe 301.

[0055] Working principle: after the spinning precursor solution is configured, the spinning precursor solution is introduced into the syringe 4, and the non-woven fabric receiving substrate is wrapped on the outer surface of the collection pipe 301, then the controller starts the positive front electrode 6 and the high voltage electrode 7, and then the electrostatic force between the two positive and negative electrodes is generated, the other end of the needle jet pipe 401 at the end of the syringe 4 is fixed above the L-shaped pusher 5, and the needle part is aligned with the collection pipe 301, then the driving mechanism is driven, the spinning precursor solution in the syringe 4 is sprayed from the needle of the needle jet pipe 401, under the action of the electrostatic force, the droplet at the needle changes from spherical to conical (Taylor cone), and the fiber filament is obtained from the conical tip, and gradually covers the non-woven fabric on the surface of the collection pipe 301, at the same time, the motor is driven to rotate the collection pipe 301, the collection pipe 301 drives the non-woven fabric on its surface to rotate, so that the fiber filament can gradually cover the remaining end surface of the non-woven fabric, and through the driving of the reciprocating mechanism, the L-shaped pusher 5 and the needle jet pipe 401 and the needle can be driven to move reciprocally, so that the fiber filament can be spun on the surface of the entire non-woven fabric, thereby facilitating the formation of the nanofiber mask; when the spinning precursor solution is placed in the syringe 4 and placed, the syringe 4 is placed in the annular groove 9, then after the remaining steps are operated, the motor two is controlled to drive the threaded rod 11 to rotate, the threaded rod 11 drives the push plate 12 to move towards the side of the piston rod close to the syringe 4, then the push plate 12 extrudes the piston rod of the syringe 4, so that the spinning precursor solution in the syringe 4 is sprayed from the needle jet pipe 401, and the design can facilitate the formation of the limiting filament, thereby facilitating the preparation of the nanofiber mask;

[0056] When the syringe 4 is placed in the annular groove 9, the push cylinder 14 is controlled to move, so that the telescopic end of the push cylinder 14 drives the U-shaped frame 15 to move, the U-shaped frame 15 drives the wedge-shaped seat 16 to move towards the side close to the slide rod 13, then the inclined surface of the wedge-shaped seat 16 extrudes the end of the slide rod 13, so that the ends of the two slide rods 13 are pressed and close to each other, that is, the slide rod 13 drives the annular plates 17 to close to each other, then the two annular plates 17 press on the outer surface of the syringe 4, so that the two annular plates 17 fix the syringe 4, and the design improves the stability of the syringe 4 when it is pushed by the push plate 12, and by changing the moving distance of the slide rod 13, different diameter syringes 4 can be fixed, so that more spinning precursor solution can be stored, and the precursor solution can be continuously sprayed and formed into limiting filaments; when the syringe 4 is extruded, the reciprocating cylinder 18 is controlled to move again, so that the reciprocating cylinder 18 drives the L-shaped pusher 5 and the needle jet pipe 401 to move reciprocally, thereby facilitating the formation of the mask on the surface of the collection pipe 301;

[0057] In the initial state, the clamping rod 20 is in contact with the side wall of the L-shaped pusher 5, when it is needed to fix the end of the needle spray pipe 401, the staff manually pries open the clamping rod 20 and makes the limiting spring 21 in the stretched state, then places the end of the needle spray pipe 401 between the clamping rod 20 and the L-shaped pusher 5, then under the recovery of the limiting spring 21, the clamping rod 20 can be driven to return to the initial position, and the end of the needle spray pipe 401 is fixed, thus the design improves the forming quality of the subsequent mask, and the needle spray pipe 401 can be conveniently taken out; when the internal humidity of the electrospinning seat 1 is high after long time work, the heating wire is driven to work by the external controller, so that the humidity in the electrospinning seat 1 is gradually evaporated, and the good environment for mask forming is maintained; when the support seat 3 needs to be taken out after the mask is formed once, only the threaded clamping rod 23 is turned out, so that it is no longer fixed to the support seat 3, then the staff can take out the entire support seat 3, and the formed mask on the surface of the collecting pipe 301 is taken out.

[0058] Obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments cannot be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An apparatus for preparing an electrospun nanofiber facial mask, the apparatus being used to prepare an electrospun nanofiber facial mask, characterized in that: The preparation method comprises the following steps: S1, stirring the moisturizing ingredient, water-soluble polymer and deionized water to obtain a spinning precursor solution; S2, feeding the spinning precursor solution into an electrostatic spinning nanofiber mask preparation device for processing to obtain a nanofiber mask. The electrostatic spinning nanofiber mask preparation device comprises an electrostatic spinning seat (1), the front end surface of the electrostatic spinning seat (1) is rotationally connected with two closed covers (2), the inner wall edge of the electrostatic spinning seat (1) is provided with a support seat (3), the support seat (3) is rotationally connected with a collecting pipe (301) in the inside, the end of the collecting pipe (301) is connected with the output end of a motor, the inner wall of the electrostatic spinning seat (1) is provided with a syringe (4) away from the collecting pipe (301), the end of the syringe (4) is provided with a needle spray pipe (401), the inner wall of the electrostatic spinning seat (1) is provided with a placing mechanism at the position corresponding to the syringe (4), the placing mechanism is used for placing the syringe (4) and pushing the precursor solution in the syringe (4) to spray out, the inside of the electrostatic spinning seat (1) and between the syringe (4) and the collecting pipe (301) is provided with an L-shaped push seat (5), the inside of the electrostatic spinning seat (1) and the position corresponding to the L-shaped push seat (5) is provided with a reciprocating mechanism, the reciprocating mechanism is used for driving the L-shaped push seat (5) to reciprocate, the upper side of the L-shaped push seat (5) is provided with a front positive electrode (6), one side of the support seat (3) is provided with a high-voltage electrode (7). The placing mechanism comprises a placing seat (8) fixedly connected to the inner wall of the electrostatic spinning seat (1), the placing seat (8) is provided with an annular groove (9) in the inside, the syringe (4) is placed in the annular groove (9), the inner wall of the electrostatic spinning seat (1) is provided with a fixing frame (10) at the position corresponding to the syringe (4), the fixing frame (10) is rotationally connected with a threaded rod (11) in the inside, the end of the threaded rod (11) is connected with the output end of a motor two, the motor two is installed in the fixing frame (10), the outer surface of the threaded rod (11) is threadedly connected with a push plate (12), the end of the push plate (12) is in contact with the piston rod of the syringe (4). The inside of the placing seat (8) is provided with two hole grooves, the two hole grooves are both slidably connected with slide rods (13), one side of the inner wall of the electrostatic spinning seat (1) close to the syringe (4) is provided with a push cylinder (14), the telescopic end of the push cylinder (14) is provided with a U-shaped frame (15), the end of the U-shaped frame (15) is provided with a wedge-shaped seat (16), the inclined surface of the wedge-shaped seat (16) is in contact with the end of the slide rod (13), the end of the slide rod (13) away from the wedge-shaped seat (16) is fixedly connected with an annular plate (17). The top of the L-shaped push seat (5) is rotationally connected with a clamping rod (20), the top of the L-shaped push seat (5) is provided with a groove matched with the clamping rod (20), the side wall of the clamping rod (20) is provided with a friction pattern, the clamping rod (20) and the side wall of the L-shaped push seat (5) are fixedly connected with a limiting spring (21).

2. The electrospinning nanofiber mask preparation device according to claim 1, characterized in that: The outer surface of the slide rod (13) is sleeved with a telescopic spring (131), the material of the two annular plates (17) is rubber, and the slide rod (13) is rotationally connected with the ball bearing at the corresponding positions of the wedge-shaped seat (16).

3. The electrospinning nanofiber mask preparation device according to claim 1, wherein: The reciprocating mechanism comprises a reciprocating air cylinder (18) fixed to the bottom inner wall of the electrostatic spinning seat (1), and the telescopic end of the reciprocating air cylinder (18) is in contact with the side wall of the L-shaped push base (5).

4. The electrospinning nanofiber mask preparation device according to claim 1, wherein: The outer surfaces of the L-shaped push base (5) and the push plate (12) are provided with guide grooves, the bottom wall of the electrostatic spinning seat (1) is provided with guide rods (19) at the corresponding positions of the guide grooves, and the guide rods (19) penetrate into the guide grooves.

5. The electrospinning nanofiber mask preparation device according to claim 1, wherein: The surface of the supporting seat (3) is provided with a threaded groove (22), the threaded groove (22) is threadedly connected with a threaded clamping rod (23), and the inner wall of the electrostatic spinning seat (1) is provided with a heating wire.

Citation Information

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