CN113481613A - Electrospinning fiber motion control device and motion control method - Google Patents
Electrospinning fiber motion control device and motion control method Download PDFInfo
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- CN113481613A CN113481613A CN202110860456.5A CN202110860456A CN113481613A CN 113481613 A CN113481613 A CN 113481613A CN 202110860456 A CN202110860456 A CN 202110860456A CN 113481613 A CN113481613 A CN 113481613A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
An electro-spinning fiber motion control device and a motion control method belong to the field of electrostatic spinning, and are high in precision and compact in structure, a triangular communicating vessel comprises three motion positioning rods and sliding mechanisms, the three motion positioning rods are connected to an upper box body and a lower box body, the three motion positioning rods are arranged at three vertex positions of a triangle, the motion positioning rod closest to a linear guide rail is a basic motion positioning rod, two groups of sliding mechanisms are arranged on the three motion positioning rods, the second group of sliding mechanisms are arranged below the first group of sliding mechanisms, and a device generated by a magnetic field can move vertically, so that the magnetic field is controlled, and the jet path of electro-spinning can be changed by the magnetic field.
Description
Technical Field
The invention belongs to the field of electrostatic spinning, and relates to an electrospinning fiber motion control device and a motion control method.
Background
The electrostatic spinning technology is the simplest and most effective method for preparing the nano-fiber at present, and has the advantages of low spinning cost, various spinnable substances, controllable process and the like. The nanometer functional fiber product obtained by electrostatic spinning has great requirements in the fields of environmental protection, individual protection, biomedicine, clean energy and the like. However, the prior art can not realize the full-chain industrial application of the electrospinning fiber, and in the electrospinning process, the process variables influencing the morphology and the properties of the electrospinning fiber are many and are difficult to control, and in the prior experimental technical means, the device has the problems of low spinning experimental efficiency and the like due to the difficult control factors such as complex environmental factors and the like. Although environmental influence factors such as temperature, humidity and the like at a spinning experiment site have a mature solution at present. But the factors of electric field, magnetic field, etc. are still difficult to control. The alternating magnetic field in the electrospinning environment has great influence on the wire drawing, molding and curing of the electrospinning material, and especially when the environment alternating magnetic field is used for testing complex electrospinning materials, the efficiency and the precision of the electrospinning test are severely limited by the experimental conditions such as magnetic field space, voltage, frequency and the like.
Disclosure of Invention
In order to solve the problem of providing the electrospinning fiber magnetic field control vertical moving device with high precision and compact structure, the invention provides the following technical scheme: the utility model provides an electrospinning fiber motion control device, including the main tank body, linear guide, slider and triangle linker, the main tank body includes box and lower box, linear guide installs at last box and lower box within a definite time, linear guide includes first linear guide and second linear guide, two linear guide are vertical to be connected in the axial and separate linear guide into two sections with linear guide, and linear guide's slider is vertical slip at its place linear guide section separately, the triangle linker includes three motion locating levers and sliding mechanism, three motion locating levers are connected at last box and lower box, the mounted position of three motion locating levers is triangular three summit position, the motion locating lever that is closest to linear guide is the basis motion locating lever, install two sets of sliding mechanism on the three motion locating levers, second set of sliding mechanism is located first set of sliding mechanism's below.
Furthermore, the first group of sliding mechanisms comprise four sliding barrels and connecting rods used for connecting the sliding barrels, the three sliding barrels are arranged on different movement positioning rods and located on the same height surface, the sliding of the three sliding barrels arranged on the basic movement positioning rod is a top sliding barrel, the top sliding barrel is connected with the other two sliding barrels through the horizontal connecting rods, the fourth sliding barrel is a bottom sliding barrel and arranged on the basic movement positioning rod and arranged below the top sliding barrel, the bottom sliding barrel is connected with the other two sliding barrels through inclined connecting rods, and a sliding block of the first linear guide rail is connected with the bottom sliding barrel of the first group of sliding mechanisms of the triangular communicating device.
Furthermore, the second group of sliding mechanisms comprise four sliding barrels and connecting rods used for connecting the sliding barrels, the three sliding barrels are arranged on different movement positioning rods and located on the same height surface, the sliding of the three sliding barrels arranged on the basic movement positioning rod is a top sliding barrel, the top sliding barrel is connected with the other two sliding barrels through the horizontal connecting rods, the fourth sliding barrel is a bottom sliding barrel and arranged on the basic movement positioning rod and arranged below the top sliding barrel, the bottom sliding barrel is connected with the other two sliding barrels through inclined connecting rods, and a sliding block of the second linear guide rail is connected with the bottom sliding barrel of the second group of sliding mechanisms of the triangular communicating device.
Furthermore, the alternating magnetic field motion control device also comprises a spring, wherein the spring is arranged on the motion positioning rod between the top sliding barrel and the bottom sliding barrel of each group of sliding mechanisms, and/or the spring is arranged on an inclined connecting rod, and the inclined connecting rod forms a peripheral groove in the middle part, so that the two ends are higher than the middle part and the spring is arranged in the peripheral groove in the middle part.
Further, the spring is a cylindrical compression spring.
Furthermore, the annular alternating magnetic field generating device is arranged on the horizontal connecting rods of the two groups of sliding mechanisms of the triangular communicating device of the alternating magnetic field motion control device.
A motion control method for collecting electrospun fibers is characterized in that the horizontal heights of two layers of sliding mechanisms are adjusted to enable an annular alternating magnetic field generating device to be positioned at different horizontal heights, and the spraying paths of electrostatic spinning are controlled to collect different spun yarns.
Has the advantages that: the main box body, the linear guide rail, the sliding block and the triangular communicating vessel are mutually matched, so that a vertical moving device is realized, and a device generated by a magnetic field can vertically move through the device, so that the magnetic field is controlled, and the jet path of the electrospinning can be changed by the magnetic field.
Drawings
Fig. 1 is a schematic view of the overall structure of the device.
Fig. 2 is a schematic view of the motion control device.
FIG. 3 is a schematic view of a layered electrospun fiber collection device.
1. The alternating magnetic field motion control device comprises an alternating magnetic field motion control device, 1.1 a main box body, 1.2 linear guide rails, 1.3 linear motors, 1.4 springs, 1.5 triangular communicating vessels, 1.6 motion positioning rods and 1.7 positioning grooves.
2. The device comprises an annular alternating magnetic field generating device, 2.1. a silicon steel sheet superposed iron core and 2.2. a hollow copper pipe coil.
3. The device comprises a hierarchical electrospinning fiber collecting device, 3.1 electrospinning nozzles, 3.2 collecting plate supporting tables, 3.3 collecting plates and 3.4 supporting tables.
Detailed Description
Referring to fig. 1, the invention provides an electrostatic spinning device under an alternating magnetic field, which comprises an alternating magnetic field motion control device 1, an annular alternating magnetic field generation device 2 and a hierarchical electrospinning fiber collection device 3. The alternating magnetic field motion control device 1, the annular alternating magnetic field generating device 2 and the hierarchical electrospinning fiber collecting device 3 are matched for use.
Referring to fig. 2, the alternating magnetic field motion control apparatus: the alternating magnetic field motion control device 1 is composed of a main box body 1.1, a linear ball guide rail 1.2, a linear motor 1.3, a spring 1.4, a triangular communicating vessel 1.5, a motion positioning rod 1.6 and a positioning groove 1.7.
The main tank body 1.1 is a tank body formed by a cuboid with five closed surfaces, and the main tank body 1.1 is made of an insulated epoxy resin plate, so that a good collecting environment can be provided for a generating device. The length of the main box body 1.1 is 0.5 meter, the width is 0.6 meter, and the height is 0.8 meter, so that the invention is convenient, convenient and fast, has small space occupation ratio, and meets the requirements of common application in laboratories and the like.
Linear ball guide 1.2 adopts linear ball guide, and it has durable, stable and sensitive, the easy characteristics of installing of speed. According to the invention, two linear ball guide rails 1.2 are overlapped and connected in an embedded manner in the middle to ensure that the linear ball guide rails are stable and do not deviate, and the uppermost ends and the lowermost ends of the guide rails are respectively fixed in the upper plate and the lower plate on one side of the main box body 1.1 close to the edge and can support the main box body 1.1. Two triangular communicating vessels are respectively fixed on the sliding blocks of the linear ball guide rails 1.2, and the alternating magnetic field generating device 2 can be respectively lifted, so that the jet path of electrostatic spinning is controlled, and different spinning yarns are collected.
The linear motor 1.3 is used as a control device for automatic lifting of the guide rail. The linear ball sliding rail has the advantages of simple structure, small volume and light weight, and can be perfectly embedded in the sliding block of the linear ball sliding rail 1.2. The linear motor has high positioning precision, high reaction speed and long service life and can continuously supply power for the motion console for a long time. The invention can realize automatic control of the lifting of the linear roller sliding rail by supplying power through the linear motor, thereby controlling the lifting of the generating device and achieving the aim of collecting different spinning yarns.
The spring 1.4 is a cylindrical compression spring, the section of the used material is circular, the spring is of equal pitch, a certain gap is reserved between rings of the compression spring, and when the alternating magnetic field generating device 2 ascends and descends, the spring contracts and deforms to generate secondary vibration, such as the material of the spring and the length of the spring.
The triangular communicating vessel 1.5 is used as a support table of the alternating magnetic field generating device 2, is made of insulating epoxy resin, and has the advantage of durability. The supporting platform adopts four triangular communicating vessels which are connected, and a conical structure is arranged in a spatial solid, so that the alternating magnetic field generating device 2 can be stably supported. The spring 1.4 devices are respectively sleeved in the three tubes below the triangular communicating vessel 1.5, and secondary vibration is achieved through vibration generated by the up-and-down movement of the spring in the process of lifting the generating device, so that various spinning yarns can be generated, and the purpose of the invention is achieved.
The motion positioning rod 1.6 is the central column of the whole motion control device and is made of insulating epoxy resin. The movement positioning rod 1.4 comprises three supports, the three supports are vertically arranged in a triangular shape, and the centers of the three supports and the center of the main box body are overlapped and connected with a triangular communicating vessel 1.5 on the supports. Providing a supporting function.
The positioning groove 1.7 is located at the bottom of the main box body 1.1, the depth of the positioning groove is 2 cm, and the layered electrospun fiber collecting device 3 can be embedded into the groove and fixed left and right.
Annular alternating magnetic field generating device: the silicon steel sheet superposed iron core 2.1 is an important component of the annular alternating magnetic field generating device 2, and is not suitable for the alternating magnetic field environment due to the low resistivity of pure iron. The low saturation magnetic induction and the low curie temperature of the soft magnetic ferrite cannot meet the requirement of large magnetic field intensity. And because the silicon steel material has the advantages of low hysteresis effect, large saturation magnetic induction, higher Curie temperature and low price, the silicon steel material is adopted as the iron core. And the lamination structure can effectively increase the resistance of the iron core eddy current path, thereby reducing the eddy current loss. Therefore, the iron core is formed by overlapping a plurality of mutually insulated 0.2mm silicon steel sheets. The silicon steel sheet superposed iron core 2.1 adopts an annular structure, so that air gaps between small iron cores can be effectively reduced, vibration noise is reduced, and efficiency is improved.
The hollow copper tube coil 2.2 is used as a magnetic coil of an alternating magnetic field and is formed by winding a hollow copper tube, and the copper tube is used as a coil material and has the advantages of light weight, good plasticity, durability, easy maintenance and low manufacturing cost. The invention adopts the hollow copper tube with the thickness of 10mm, is easy to fire, has moderate coil size and small occupied space, is convenient to disassemble and integrally move, and meets the basic requirement of convenient use. The copper pipe with a certain thickness is manufactured by adopting the hollow copper pipe with the inner diameter of 5mm, and circulating cooling water can be introduced into the hollow copper pipe to reduce the temperature of the coil, so that the copper pipe coil is prevented from being burnt out due to overheating, and the loss is reduced. And in order to prevent the short circuit condition caused by too close distance between the coils in the winding process of the hollow copper tube, the interval between every two coils is selected to be 13 mm. Comprehensively considered, the invention adopts a copper pipe with the thickness of 10mm and the diameter of an internal through hole of 5mm to wind and manufacture N turns of coils, and the distance between every two turns of coils is 13 mm.
The annular alternating magnetic field generating device 2 is formed by combining the silicon steel sheet superposed iron core 2.1 and the hollow copper tube coil 2.2, and the coil is wound on the silicon steel sheet superposed iron core 2.1 clockwise (or anticlockwise) with a certain diameter d (relevant to the ring diameter of the iron core), so that the magnetic field intensity can be changed by changing the number of turns N of the coil. When the inductance coil is connected to an alternating current power supply, the magnetic force lines in the coil change constantly along with the alternating of current, so that the coil continuously generates electromagnetic induction, and then the magnetic force lines around the coil are concentrated through the iron core and circulate from the iron core, thereby effectively increasing the magnetic field intensity and further generating the alternating current magnetic field environment required by the invention.
Referring to fig. 3, a hierarchical electrospun fiber collection device: the collecting plate supporting table 3.1 is made of insulating epoxy resin, and is good in corrosion resistance and long in service life. The collecting plate supporting platform 3.1 is integrally of a cuboid structure with a U-shaped groove at the upper part, and the lower part of the collecting plate supporting platform can be perfectly fit in the groove of the lower bottom plate of the main box body 1.1. The left and the right of the collecting device are fixed, and the stability of the collecting device is ensured. The collection plate support table is detachable and can be replaced to different heights according to the collection requirements.
The material of collecting plate 3.2 is insulating epoxy, wholly is a lower part and is convex type cuboid structure, collecting plate 3.2 lower part can with collecting plate brace table 3.1 perfect adaptation down to make the collecting plate reach suitable height, carry out electrostatic spinning and collect. The top of the collecting plate 3.2 has an L-shaped rubber mouthpiece rotated 90 ° clockwise. Because the elasticity of rubber is good, after the injector head enters the collection device, the injector head can be wrapped completely by the rubber material, and a closed space is formed. A plurality of grooves with different heights and certain depths are carved in the middle of the collecting plate 3.2, a plurality of collecting plates for electrospinning fibers can be inserted into the grooves, and continuous collection can be achieved. The side of the collecting plate 3.2 is provided with a revolving door which can be opened and closed, so that the cleaning of the appliance after the collection is finished is convenient.
The layered electrospun fiber collection device 3 is composed of a collection plate support platform 3.1 and a collection plate 3.2. And partial electrospinning spray heads on the layered electrospinning fiber collecting device 3 enter the upper part of the collecting plate through the L-shaped rubber, and perform spinning by the electrospinning fiber spray heads under the action of an alternating magnetic field, so that the electrospinning fibers are finally collected in the collecting plate. Because the elasticity of rubber is good, after the injector head enters the collecting device, a closed space can be formed. Continuous collection can be achieved by replacing the collection plate with one in which a plurality of electrospun fibers are inserted. Can with after the collection is accomplished the collecting plate 3.2 is dismantled, opens the swing door of side, and clean internal environment guarantees that the environment is collected in the experiment next time clean and tidy.
The alternating magnetic field motion control device 1, the annular alternating magnetic field generating devices 2 and the layered electrospun fiber collecting device 3 are matched for use, the two annular alternating magnetic field generating devices 1 are respectively placed on the two layers of alternating magnetic field motion control devices 2, alternating current is introduced into a coil to generate an alternating magnetic field, the magnetic field is strengthened through an iron core, the property of the alternating magnetic field can be changed by changing the parameters of the coil and the parameters of the iron core, and the alternating magnetic field required by the invention is finally generated. The alternating magnetic field motion control device 2 is used as a framework of the device, plays a supporting role, and can automatically adjust the height of the annular alternating magnetic field generating device. After the spray head enters the layered electrospinning fiber collecting device 3, the spray head can be completely wrapped by the rubber material, and a sealed collecting environment is provided. The height of the layered electrospinning fiber collecting device can be adjusted, and the spinning nozzles are stressed differently under the action of the alternating magnetic field, so that the movement tracks of the spinning nozzles are different, and the electrospinning fibers are collected by the layered electrospinning fiber collecting device. The supporting table 3.4 with the optional height is fixed with the main box body through the positioning groove at the lower part, and is connected with the collecting plate supporting table through the wedge-shaped groove at the upper part to provide horizontal support for the collecting plate supporting table.
In another embodiment, referring to fig. 1, a hierarchical experimental sample collection device for electrospinning fibers by using a controllable alternating magnetic field comprises a circular alternating magnetic field generation device 2, an alternating magnetic field movement control device 1 and a hierarchical electrospinning fiber collection device 3, wherein the alternating magnetic field movement control device 1 causes and controls the circular alternating magnetic field generation device 2 to move so that the range of an alternating magnetic field formed by the circular alternating magnetic field generation device is controllable, and the hierarchical electrospinning fiber collection device 3 performs spinning collection under the action of the controllable alternating magnetic field.
In one scheme, the annular alternating magnetic field generating device 2 comprises a silicon steel sheet superposed iron core 2.1 and a hollow copper pipe coil 2.2, and the hollow copper pipe coil 2.2 is wound on the silicon steel sheet superposed iron core 2.1 with a certain diameter.
In one solution, referring to fig. 2, the alternating magnetic field motion control device 1 comprises a main box 1.1, a linear guide rail 1.2, a slide block and a triangular communicating vessel 1.5,
the main box body 1.1 comprises an upper box body and a lower box body, the linear guide rail 1.2 is arranged between the upper box body and the lower box body, the linear guide rail 1.2 comprises a first linear guide rail 1.2 and a second linear guide rail 1.2, the two linear guide rails 1.2 are vertically connected in the axial direction to separate the linear guide rail 1.2 into two sections, and the slide blocks of the respective linear guide rails 1.2 only vertically slide on the section of the linear guide rail 1.2 where the slide blocks are located,
the triangular communicating vessel 1.5 comprises three movement positioning rods 1.6 and sliding mechanisms, the three movement positioning rods 1.6 are connected with the upper box body and the lower box body, the installation positions of the three movement positioning rods 1.6 are three peak positions of a triangle, the movement positioning rod 1.6 closest to the linear guide rail 1.2 is a basic movement positioning rod 1.6, two groups of sliding mechanisms are installed on the three movement positioning rods 1.6, the second group of sliding mechanisms is positioned below the first group of sliding mechanisms,
the first group of sliding mechanisms comprises four sliding barrels and connecting rods used for connecting the sliding barrels, the three sliding barrels are arranged on different movement positioning rods 1.6 and are positioned on the same height surface, the sliding of the three sliding barrels arranged on the basic movement positioning rod 1.6 is a top sliding barrel, the top sliding barrel is connected with the other two sliding barrels through a horizontal connecting rod, the fourth sliding barrel is a bottom sliding barrel, is arranged on the basic movement positioning rod 1.6 and is arranged below the top sliding barrel, the bottom sliding barrel is connected with the other two sliding barrels through an inclined connecting rod, a sliding block of a first linear guide rail 1.2 is connected with the bottom sliding barrel of the first group of sliding mechanisms of the triangular communicating device 1.5,
the second group of sliding mechanisms comprise four sliding barrels and connecting rods used for connecting the sliding barrels, the three sliding barrels are arranged on different movement positioning rods 1.6 and located on the same height surface, sliding on the basic movement positioning rods 1.6 in the three sliding barrels is a top sliding barrel, the top sliding barrel is connected with the other two sliding barrels through horizontal connecting rods, the fourth sliding barrel is a bottom sliding barrel and is arranged on the basic movement positioning rods 1.6 and is arranged below the top sliding barrel, the bottom sliding barrel is connected with the other two sliding barrels through inclined connecting rods, and sliding blocks of the second linear guide rail 1.2 are connected with bottom sliding barrels of the second group of sliding mechanisms of the triangular communicating device 1.5.
In one scheme, the alternating magnetic field motion control device 1 further comprises a spring 1.4, the spring 1.4 is installed on a motion positioning rod 1.6 between a top sliding barrel and a bottom sliding barrel of each group of sliding mechanisms, and/or the spring 1.4 is installed on an inclined connecting rod, and the inclined connecting rod forms a peripheral groove in the middle part, so that the two ends are higher than the middle part and the spring 1.4 is installed in the peripheral groove in the middle part.
In one version, the spring 1.4 is a cylindrical compression spring 1.4.
In one scheme, the annular alternating magnetic field generating device 2 is installed on the horizontal connecting rods of two groups of sliding mechanisms of the triangular communicating device 1.5 of the alternating magnetic field motion control device 1.
In one version, referring to fig. 3, the hierarchical electrospun fiber collection device 3 comprises an electrospinning nozzle 3.1, a collection plate support platform 3.2, a collection plate 3.3 and a support platform 3.4, the lower box body is provided with a positioning groove 1.7, the support platform 3.4 is installed in the positioning groove 1.7, the support platform 3.4 can slide in the positioning groove 1.7 towards the base movement positioning rod 1.6, the support platform 3.4 supports the collection plate support platform 3.2 positioned above the support platform, the collection plate support platform 3.2 is provided with a plurality of mounting grooves of the collection plate 3.3 positioned on different heights at the lower part thereof, the collection plate 3.3 can be pushed or pulled out of the mounting grooves by sliding, the upper opening of the collection plate 3.3 support platform 3.4 is provided with the electrospinning nozzle 3.1, and the collection plate 3.1 is positioned in the whole of the collection plate 3.3 support platform 3.4, the collection plate support platform 3.2 slides in the positioning groove 1.7 by the support platform 3.4, so that the collection plate 3.2 can be connected to the triangular space of the positioning rod 1.5, so that the annular alternating magnetic field generating device 2 arranged on the horizontal connecting rods of the two groups of sliding mechanisms of the triangular communicating vessel 1.5 encloses the front part of the collecting plate supporting platform 3.2, and the spinning is sprayed out by the electrospinning spray head 3.1 and moves downwards under the action of the alternating magnetic field to fall on the collecting plate 3.3.
In one embodiment, the collection plate support 3.2 is made of an insulating epoxy resin.
In one solution, the top of the collecting plate 3.3 has a rubber mouthpiece.
In one solution, the collection plate support table 3.2 is fitted with a door.
In one embodiment, an alternating current magnetic field controlled electrospinning method includes
S1, placing two annular alternating magnetic field generating devices 2 on two layers of sliding mechanisms of an alternating magnetic field motion control device 1.
S2, the supporting platform 3.4 slides towards the base motion positioning rod 1.6 along the positioning groove 1.7, so that the front part of the collecting plate supporting platform 3.2 moves to and is positioned in a triangular space formed by the motion positioning rod 1.6 of the triangular communicating vessel 1.5.
And S3, introducing alternating current into a coil of the annular alternating magnetic field generating device 2 to generate an alternating magnetic field.
And S4, adjusting the horizontal heights of the two layers of sliding mechanisms to enable the annular alternating magnetic field generating device 2 to be at different horizontal heights, and controlling the spraying paths of the electrostatic spinning to collect different spinning yarns.
Step S4 of the electro-spinning method controlled by the alternating current magnetic field comprises the steps of adjusting the horizontal height of the sliding mechanism
The sliding of the sliding block on the linear sliding rail is controlled, so that the bottom sliding barrel connected with the sliding block slides along the base movement positioning rod 1.6.
The other sliding cylinders in the sliding mechanism are respectively made to slide along the motion positioning rods 1.6 which are respectively arranged by the connecting rods.
The annular alternating magnetic field generating device 2 on the connecting rod is enabled to move vertically.
In one embodiment, step S3 of the electrospinning method controlled by an alternating current magnetic field further includes reinforcing the magnetic field by an iron core, and changing the property of the alternating magnetic field by changing the coil parameters and the iron core parameters.
In one scheme, secondary vibration is achieved through vibration generated by up-and-down movement of the spring 1.4 to generate a variety of spinning.
In one scheme, the electro-spinning method controlled by the alternating current magnetic field respectively adjusts the height extension spraying range of the two layers of sliding mechanisms.
In one embodiment, the collection device collects different spins of the electrospinning method controlled by an alternating current magnetic field.
In one scheme, the electro-spinning method collecting device controlled by the alternating current magnetic field comprises an annular alternating magnetic field generating device 2, an alternating magnetic field motion control device 1 and a hierarchical electro-spinning fiber collecting device 3, wherein the alternating magnetic field motion control device 1 causes and controls the annular alternating magnetic field generating device 2 to move so that the range of an alternating magnetic field formed by the annular alternating magnetic field generating device is controllable, and the hierarchical electro-spinning fiber collecting device 3 collects spinning under the action of the controllable alternating magnetic field.
In one embodiment, as for the collecting device in the above embodiment, an electrospun fiber motion control device is provided, referring to fig. 2, which includes a main box 1.1, a linear guide 1.2, a sliding block and a triangular communicating vessel 1.5, the main box 1.1 includes an upper box and a lower box, the linear guide 1.2 is installed between the upper box and the lower box, the linear guide 1.2 includes a first linear guide 1.2 and a second linear guide 1.2, the two linear guides 1.2 are vertically connected in the axial direction to separate the linear guide 1.2 into two sections, the sliding block of each linear guide 1.2 vertically slides only in the section of the linear guide 1.2 where the linear guide is located, the triangular communicating vessel 1.5 includes three motion positioning rods 1.6 and a sliding mechanism, the three motion positioning rods 1.6 are connected to the upper box and the lower box, the installation positions of the three motion positioning rods 1.6 are three vertex positions of a triangle, the motion positioning rod 1.6 closest to the linear guide 1.2 is a base motion positioning rod 1.6, two groups of sliding mechanisms are arranged on the three motion positioning rods 1.6, and the second group of sliding mechanisms are positioned below the first group of sliding mechanisms.
In one scheme, the first group of sliding mechanisms comprise four sliding barrels and connecting rods used for connecting the sliding barrels, the three sliding barrels are arranged on different movement positioning rods 1.6 and located on the same height surface, the sliding of the three sliding barrels arranged on a basic movement positioning rod 1.6 is a top sliding barrel, the top sliding barrel is connected with the other two sliding barrels through horizontal connecting rods, the fourth sliding barrel is a bottom sliding barrel and arranged on the basic movement positioning rod 1.6 and arranged below the top sliding barrel, the bottom sliding barrel is connected with the other two sliding barrels through inclined connecting rods, and a sliding block of a first linear guide rail 1.2 is connected with the bottom sliding barrel of the first group of sliding mechanisms of a triangular communicating device 1.5.
In one scheme, the second group of sliding mechanisms comprise four sliding barrels and connecting rods used for connecting the sliding barrels, the three sliding barrels are arranged on different movement positioning rods 1.6 and located on the same height surface, the sliding of the three sliding barrels arranged on the base movement positioning rods 1.6 is a top sliding barrel, the top sliding barrel is connected with the other two sliding barrels through horizontal connecting rods, the fourth sliding barrel is a bottom sliding barrel and arranged on the base movement positioning rods 1.6 and arranged below the top sliding barrel, the bottom sliding barrel is connected with the other two sliding barrels through inclined connecting rods, and sliding blocks of the second linear guide rail 1.2 are connected with the bottom sliding barrels of the second group of sliding mechanisms of the triangular communicating device 1.5.
In one scheme, the alternating magnetic field motion control device 1 further comprises a spring 1.4, the spring 1.4 is installed on a motion positioning rod 1.6 between a top sliding barrel and a bottom sliding barrel of each group of sliding mechanisms, and/or the spring 1.4 is installed on an inclined connecting rod, and the inclined connecting rod forms a peripheral groove in the middle part, so that the two ends are higher than the middle part and the spring 1.4 is installed in the peripheral groove in the middle part.
In one version, the spring 1.4 is a cylindrical compression spring 1.4.
In one scheme, the annular alternating magnetic field generating device 2 is installed on the horizontal connecting rods of two groups of sliding mechanisms of the triangular communicating device 1.5 of the alternating magnetic field motion control device 1.
In one scheme, the motion control method for collecting the electrospun fibers is characterized in that the horizontal heights of two layers of sliding mechanisms are adjusted to enable the annular alternating magnetic field generating device 2 to be at different horizontal heights, and the jet path of electrostatic spinning is controlled to collect different spun yarns.
The above description is only for the purpose of creating a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. An electrospinning fiber motion control device is characterized by comprising a main box body (1.1), linear guide rails (1.2), sliding blocks and a triangular communicating device (1.5), wherein the main box body (1.1) comprises an upper box body and a lower box body, the linear guide rails (1.2) are arranged between the upper box body and the lower box body, the linear guide rails (1.2) comprise a first linear guide rail (1.2) and a second linear guide rail (1.2), the two linear guide rails (1.2) are vertically connected in the axial direction to separate the linear guide rails (1.2) into two sections, the sliding blocks of the respective linear guide rails (1.2) only vertically slide in the sections of the linear guide rails (1.2) where the sliding blocks are located, the triangular communicating device (1.5) comprises three motion positioning rods (1.6) and a sliding mechanism, the three motion positioning rods (1.6) are connected with the upper box body and the lower box body, the installation positions of the three motion positioning rods (1.6) are three vertex positions of a triangle, and the base motion positioning rod (1.6) closest to the linear guide rails (1.2) is a base motion positioning rod (1.6), two groups of sliding mechanisms are arranged on the three motion positioning rods (1.6), and the second group of sliding mechanisms are positioned below the first group of sliding mechanisms.
2. The electrospun fiber motion control device of claim 1, wherein the first group of sliding mechanisms comprises four sliding cylinders and connecting rods for connecting the sliding cylinders, the three sliding cylinders are arranged on different motion positioning rods (1.6) and are positioned on the same height surface, the sliding of the three sliding cylinders on the base motion positioning rod (1.6) is a top sliding cylinder, the top sliding cylinder is connected with the other two sliding cylinders through a horizontal connecting rod, the fourth sliding cylinder is a bottom sliding cylinder, is arranged on the base motion positioning rod (1.6) and is arranged below the top sliding cylinder, the bottom sliding cylinder is connected with the other two sliding cylinders through inclined connecting rods, and the sliding block of the first linear guide rail (1.2) is connected with the bottom sliding cylinder of the first group of sliding mechanisms of the triangular communicating device (1.5).
3. The electrospun fiber motion control device according to claim 1 or 2, characterized in that the second group of sliding mechanisms comprises four sliding cylinders and connecting rods for connecting the sliding cylinders, the three sliding cylinders are arranged on different motion positioning rods (1.6) and are positioned on the same height plane, the sliding of the three sliding cylinders on the base motion positioning rod (1.6) is a top sliding cylinder, the top sliding cylinder is connected with the other two sliding cylinders through a horizontal connecting rod, the fourth sliding cylinder is a bottom sliding cylinder, is arranged on the base motion positioning rod (1.6) and is arranged below the top sliding cylinder, the bottom sliding cylinder is connected with the other two sliding cylinders through an inclined connecting rod, and the sliding block of the second linear guide rail (1.2) is connected with the bottom sliding cylinder of the second group of sliding mechanisms of the triangular communicating vessel (1.5).
4. The electrospun fiber motion control device of claim 3, wherein the alternating magnetic field motion control device (1) further comprises a spring (1.4), the spring (1.4) is arranged on the motion positioning rod (1.6) between the top sliding barrel and the bottom sliding barrel of each group of sliding mechanisms, and/or the spring (1.4) is arranged on an inclined connecting rod, and the inclined connecting rod forms a peripheral groove in the middle part, so that the two ends are higher than the middle part and the spring (1.4) is arranged in the peripheral groove in the middle part.
5. Electrospinning fibre motion control device according to claim 4, characterized in that the spring (1.4) is a cylindrical compression spring (1.4).
6. The electrospun fiber motion control device of claim 3, wherein the annular alternating magnetic field generating device (2) is mounted on the horizontal connecting rods of the two groups of sliding mechanisms of the triangular communicating vessel (1.5) of the alternating magnetic field motion control device (1).
7. A motion control method for collecting electrospun fibers is characterized in that the horizontal heights of two layers of sliding mechanisms are adjusted to enable an annular alternating magnetic field generating device (2) to be at different horizontal heights, and the jet paths of electrostatic spinning are controlled to collect different spun yarns.
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| CN202110860456.5A CN113481613B (en) | 2021-07-29 | 2021-07-29 | Device and method for controlling motion of annular alternating magnetic field |
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| CN202110860456.5A CN113481613B (en) | 2021-07-29 | 2021-07-29 | Device and method for controlling motion of annular alternating magnetic field |
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| WO2006112697A1 (en) * | 2005-04-22 | 2006-10-26 | Technische Universiteit Eindhoven | A method and a device for forming a fibre from a material and directing said fibre, using an electric field, and an object thus formed |
| CN201588016U (en) * | 2010-01-21 | 2010-09-22 | 上海大学 | Static spinning device externally provided with adjustable static magnetic field |
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