CN208717479U - Electrostatic spinning spinning head based on Free Surface coaxial eccentricity - Google Patents
Electrostatic spinning spinning head based on Free Surface coaxial eccentricity Download PDFInfo
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- CN208717479U CN208717479U CN201820625762.4U CN201820625762U CN208717479U CN 208717479 U CN208717479 U CN 208717479U CN 201820625762 U CN201820625762 U CN 201820625762U CN 208717479 U CN208717479 U CN 208717479U
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Abstract
The utility model discloses the electrostatic spinning spinning heads based on Free Surface coaxial eccentricity；Including the first admission chamber, the second admission chamber, the first spinning chamber, the second spinning chamber, third spinning chamber, communicating passage, motor and engaging column；First lamination and second lamination interval are arranged to form the first spinning chamber；Second lamination and third lamination interval are arranged to form the second spinning chamber；Third lamination and the 4th lamination interval are arranged to form third spinning chamber；The two sides up and down of the second spinning chamber are arranged in first spinning chamber and third spinning chamber, and communicating passage is fixed in second lamination and third lamination；First lamination and second lamination are connect by engaging column with third lamination and the 4th lamination.The problems such as the utility model overcomes complicated generic coaxial syringe needle electrostatic spinning process influence factor, device cleaning difficulty, spray orifice is easily caused to block, the stability of spinning efficiency and spinning is improved, effectively realizes being prepared on a large scale for the complex fiber material with skin-core structure.
Description
Technical field
The utility model relates to the preparation fields of skin-core structure nano-fiber material, and in particular to one kind is based on Free Surface
The electrostatic spinning spinning head apparatus of coaxial eccentricity.
Background technique
In recent years, nanofiber has made great progress with the development of nanotechnology.Usually prepare nanofiber
The method of material has phase separation method, self-assembly method, template synthesis method, bi-component extrusion and electrostatic spinning technique etc..Wherein, electrostatic
Spining technology be it is currently the only can directly, continuously prepare that polymer is micro-, method of nanofiber, simultaneously because prepared nanometer
The size of fiber is easy to control, can the easy preparation for realizing multilevel structure superfine fibre.In addition, can also be by compound with macromolecule
Composite nano fiber is prepared in spinning.Electrostatic spinning has been successfully prepared the Nanowire of the polymer more than 100 kinds so far
Dimension.
In electrostatic spinning constantly develops, the research focus of researcher be generally concentrated at theoretical research, process control because
Several aspects such as plain research, the research of processing method, the research of polymer-solvent systems and the application of electrostatic spinning fiber.?
In the research of forming method of electrostatic spinning, by selecting different polymer solution system, spinneret and collection device and spinning
The electrospun fibers of different structure form can be obtained in condition.Wherein, more and more for the research of spinning head apparatus.Electrostatic
Spinning head is spun by generating fine droplet during the spinning process, jet stream excitation site is provided, to realize electrostatic spinning process
Generation.According to the difference of spinning head, electrostatic spinning can be divided into single nozzle electrostatic spinning, composite spray jet head electrostatic spinning, more spray heads
Electrostatic spinning, Free Surface electrostatic spinning, centrifugation electrostatic spinning etc..
For Free Surface electrostatic spinning compared with traditional needle-based electrostatic spinning, jet stream is not by other tools
It in the case where (such as syringe needle), is spontaneously formed by liquid surface, has equipment simple, it is at low cost, it is easy to clean, it can avoid spininess
The labyrinth and blockage problem of head, while the advantages such as influence for reducing technological parameter are, it can be achieved that more stable a large amount of spinning.From
Heart spin processes be polymer melt or solution by high-speed rotating device under the action of generated centrifugal force and shearing force
It is thrown away by pore or slit into fine method.Being centrifuged electrostatic spinning is a kind of spinning for combining centrifugal spinning with electrostatic spinning
Silk form, it substantially increases the working efficiency of electrostatic spinning apparatus, and when can effectively avoid traditional sprinkler heads spinning spray orifice it is stifled
Plug problem.But existing Free Surface electrostatic spinning apparatus and centrifugation electrostatic spinning apparatus are obtained due to the single design of structure
To be homofil, it is difficult to the fiber containing two or more compound cross-section structures is obtained, to limit its function and service
The application of fiber type material.
Coaxial electrostatic spinning as a kind of common spinning process for preparing composite fibre, by Sun etc. (Sun Z,
Zussman E,Yarin A L,et al.Compound core–shell polymer nanofibers by co‐
Electrospinning [J] .Advanced Materials, 2003,15 (22): 1929-1932.) it was mentioned for the first time in 2003
Out, it then obtains widely studying and application, the maximum difference of it and conventional electrostatic spinning is the design of syringe needle, common is coaxial
The syringe needle of electrostatic spinning is using compound syringe needle.Two coaxial capillaries pass through the compound syringe needle for improving mutually nested composition,
In order to guarantee that the flowing of shell solution is smooth, there are certain gaps for meeting between two capillaries of ectonexine, using different
Storage solutions device stores sandwich layer and cortex polymer solution, and under the common promotion of propeller, two layers of nucleocapsid of liquid is in needle
Head converges and is formed composite droplet at tip, prepares in the case where the effect of high-voltage electrostatic field stretches comprising two components or more
Composite fibre with skin-core structure, but since building for coaxial propulsion device is more troublesome with control, ectonexine solution flow velocity
More difficult to control, there are certain operation difficulties, and coaxial spinning syringe needle is relatively difficult in terms of cleaning, and production efficiency is low,
Increase the difficulty that coaxial electrostatic spinning further develops.
Utility model content
The purpose of this utility model is to improve Effect Factors for Sythetic Technology complexity in existing coaxial electrostatic spinning, device cleaning
Difficult, the problems such as easily causing spray orifice to block, provide a kind of easy to clean, high production efficiency, the base with more stable spinning technique
In the electrostatic spinning spinning head of Free Surface coaxial eccentricity, using the surface tension effects of spinning solution in channels different in device,
Form the composite nano fiber with skin-core structure.
The utility model aim is achieved through the following technical solutions:
A kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including the first admission chamber, the second admission chamber,
One spinning chamber, the second spinning chamber, third spinning chamber, communicating passage, motor and engaging column；
First lamination, second lamination, third lamination and the 4th lamination all include side plate bending and planar section, and planar section is located at arc
The both ends of face section；The cambered surface of first lamination and second lamination is upward；The cambered surface of third lamination and the 4th lamination is downward；First lamination
It is arranged to form the first spinning chamber with second lamination interval；Second lamination and third lamination interval are arranged to form the second spinning chamber；The
Three laminations and the 4th lamination interval are arranged to form third spinning chamber；First spinning chamber and third spinning chamber are arranged in the second spinning chamber
Two sides up and down, communicating passage is fixed in second lamination and third lamination；Motor is connected with exporting axis, and output shaft is respectively with
Four laminations are connected with third lamination；First lamination and second lamination are connect by engaging column with third lamination and the 4th lamination；The
One in one admission chamber and the second admission chamber is connected to the first spinning chamber；Another is connected to the second spinning chamber；First spinning
Chamber is connected to third spinning chamber by communicating passage；First lamination and second lamination respectively with the first admission chamber or the second admission chamber
Channel connection.
To further realize the utility model aim, it is preferable that first lamination and the 4th lamination with a thickness of
0.05-1.5mm；Second lamination and third lamination with a thickness of 0.2-0.5mm.
Preferably, the height of first spinning chamber and third spinning chamber is 1-4mm；The height of second spinning chamber is 2-
10mm。
Preferably, first lamination or the 4th lamination are 74-202mm in the length that horizontal plane projects；First lamination
Length with the 4th lamination one end planar section is 0.6-2.5mm, and second lamination and third lamination one end plane segment length are 0.5-
2mm。
Preferably, the communicating passage is 7-12mm at a distance from engaging column centreline space；Engaging column and motor export
Distance between shaft centre line is 11-14mm.
Preferably, cortex nozzle end is constituted at a distance between first lamination is on the inside of the planar section of the 4th lamination one end
With a thickness of 0.3-2mm, second lamination on the inside of the planar section of third lamination one end between at a distance from the sandwich layer nozzle end that constitutes
With a thickness of 0.1-1mm.
Preferably, the angle of the curved surface of second lamination or third lamination and horizontal plane composition is 2-20o, second lamination or the
The angle of curved surface and the horizontal plane composition of three laminations is 2-30o.
Preferably, the main body radius R1 of first lamination is 36.4-98.5mm, the edge radius R2 of the first lamination 1
It is 36.1-97mm for 37-101mm, the main body radius R3 of second lamination, the edge radius R4 of second lamination is 36.6-99mm；Electricity
The radius of machine output shaft is 6-9mm；The cross sectional radius of engaging column is 1-3mm, and the outer radius of communicating passage is 5-7mm, connection
The inside radius in channel is 3-5mm；Main body radius refers to the side plate bending of the first lamination, second lamination, third lamination and the 4th lamination
With the tie point of planar section to the linear distance between central point；Edge radius refers to the first lamination, second lamination, third lamination
And the 4th lamination planar section endpoint to the linear distance between central point；The inside radius refers to the radius of interface channel；
Outer radius is that the radius of interface channel adds the thickness of interface channel.
Preferably, the integral thickness of the spinning disc represented from the first lamination top to the 4th lamination bottom end is 4.5-22mm,
Height between first lamination and the 4th lamination planar section outer edge represents the integral thickness of spinneret as 0.9-7mm；First into
Axial height between at the top of sap cavity and the second admission chamber top to motor is not less than 3mm.
Preferably, the engaging column is four；The number of communicating passage is preferably four, and communicating passage setting is being connected
The outside of column；The output shaft is connect with the 4th lamination and third lamination by fixture nut respectively；First lamination
Pass through sealing bearing respectively with second lamination to connect with the channel of the first admission chamber or the second admission chamber.
First lamination, second lamination, third lamination and the 4th lamination of the utility model are stainless steel, polytetrafluoroethylene (PTFE)
Or potsherd is made, and it is solid, it is corrosion-resistant.The utility model spinning cavity is used to store transport spinning solution.
The spinning solution of certain viscosity reaches the fluid channel of spinning head by the metering conveying of pump, and the first admission chamber, the
Two admission chambers transmit spinning solution by bearing cavity respectively to be no less than two bearing seals.The bearing and spinning head are together
Rotation.First admission chamber and the second admission chamber are directly connected to the first spinning chamber and the second spinning chamber, to realize company when spinning
Continuous feed liquor, the spinning solution of the first spinning chamber enter third spinning chamber by communicating passage.
Spinning solution under spinning disc turning effort centrifugal force and pumping pressure metering be transported to the spinning of lamination planar section
Silk slit (mouth) completes the compound of two kinds of spinning solutions here, and forms certain fibrous thread, due to surface tension effects,
First spinning solution is inside the second spinning solution, to form certain core-sheath or core shift composite construction.The threadiness is thin
Stream is stretched effect and is solidified into fiber with the volatilization of solvent under the action of centrifugal force and electrostatic field force, and is deposited on
It receives on lace curtaining, obtains composite electrostatic spinning web.
Wherein the raw material of the spinning solution include it is all can with the polymer of wiring solution-forming, or for can carry out heat or
The mixture of person's ultraviolet light cured small molecule monomer and initiator can also be small molecule liquid or gas, to be contained
The functional fibre of liquid or gas.Spinning fluid viscosity is 500cP -3000cP, and spinning solution temperature is room temperature to 80 DEG C, works as spinning
When silk liquid temperature is higher than room temperature, heated solution is directly transported when by pumping.
Metering pump-metered is controlled by being separately connected the metering pump (gear pump) of the first spinning solution and the second spinning solution,
Depending on output quantity is according to voltage used in turntable size and revolving speed and spinning moulding.
All transition faces of the utility model spinning disc are smooth surface.
The centrifugal rotation speed of the centrifugal force is 20-8000r/min.
The first spinning solution of sandwich layer of the utility model skin-core structure is preferably polymer solution or small molecule solution mixing
Object perhaps gas cortex the second spinning solution be polymer solution or the small-molecule mixture with light heat curing performance.
Compared with the existing technology, the utility model has the advantages that
It, should the electrostatic spinning spinning head based on Free Surface coaxial eccentricity compared with aforementioned generic coaxial electrostatic spinning nozzle
The advantages of integrating Free Surface electrostatic spinning and centrifugation electrostatic spinning, overcome generic coaxial syringe needle electrostatic spinning process shadow
The problems such as factor of sound complexity, device clean difficulty, spray orifice easily caused to block, improves the stability of spinning efficiency and spinning, and
Using the design of more slinning cabinets, being prepared on a large scale for the complex fiber material with skin-core structure can be effectively realized, it will be one
Determine the preparation process for improving complex fiber material in degree, while also providing technical support for the development of nano material.
Detailed description of the invention
Fig. 1 is the structural front view of electrostatic spinning spinning head of the utility model based on Free Surface coaxial eccentricity.
Fig. 2 is the schematic enlarged-scale view of electrostatic spinning spinning head of the utility model based on Free Surface coaxial eccentricity.
Fig. 3 is the structure top view of electrostatic spinning spinning head of the utility model based on Free Surface coaxial eccentricity.
Show in figure: the first admission chamber 1, the second admission chamber 2, sealing bearing 3, the first lamination 4, second lamination 5, third are folded
Piece 6, the 4th lamination 7, fixture nut 8, motor 9, third spinning chamber 10, the second spinning chamber 11, the first spinning chamber 12, communicating passage
13, engaging column 14.
Specific embodiment
To more fully understand the utility model, the utility model work is further retouched with reference to the accompanying drawings and examples
It states, however, the embodiments of the present invention are not limited thereto.
As shown in Figure 1-3, a kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including the first admission chamber 1,
Second admission chamber 2, the first spinning chamber 12, the second spinning chamber 11, third spinning chamber 10, communicating passage 13, motor 9 and engaging column
14；
First lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7 all include side plate bending and planar section, plane section
In the both ends of side plate bending；The cambered surface of first lamination 4 and second lamination 5 is upward；The cambered surface of third lamination 6 and the 4th lamination 7 is downward；
First lamination 4 and the setting of the interval of second lamination 5 form the first spinning chamber 12；Second lamination 5 and the setting of the interval of third lamination 6 are formed
Second spinning chamber 11；Third lamination 6 and the setting of the 4th lamination 7 interval form third spinning chamber 10；First spinning chamber 12 and third
The two sides up and down of the second spinning chamber 11 are arranged in spinning chamber 10, and communicating passage 13 is fixed in second lamination 5 and third lamination 6；
Motor 9 is connected with exporting axis, and output shaft is connect with the 4th lamination 7 and third lamination 6 by fixture nut 8 respectively；First lamination 4
It is connect by engaging column 14 with third lamination 6 and the 4th lamination 7 with second lamination 5；In first admission chamber 1 and the second admission chamber 2
One be connected to the first spinning chamber 12；Another is connected to the second spinning chamber 11；First spinning chamber 12 and third spinning chamber 10
It is connected to by communicating passage 13；First lamination 4 and second lamination 5 respectively by sealing bearing 3 and the first admission chamber 1 or the second into
The channel of sap cavity 2 connects；First lamination 4 and second lamination 5 are real in the case where feeding device is fixed by sealing bearing 3 respectively
Now with the rotation of rotation main shaft.First admission chamber 1 provides core；Second admission chamber 2 provides skin.
The thickness H0 of first lamination 1 and the 4th lamination 4 is 0.05-1.5mm；The thickness H1 of second lamination 2 and third lamination 3
For 0.2-0.5mm；The height H2 of first spinning chamber 12 and third spinning chamber 10 is 1-4mm, the first spinning chamber 12 and third spinning
The height of chamber 10 may be the same or different；The height H3 of second spinning chamber 11 is 2-10mm；From 1 top of the first lamination to
The integral thickness H4 for the spinning disc that 4th lamination, 4 bottom end represents is 4.5-22mm, outside the first lamination 1 and 4 planar section of the 4th lamination
Height between edge represents the integral thickness H5 of spinneret as 0.9-7mm, and the first admission chamber 1 and 2 top of the second admission chamber are arrived
Axial height H6 between 9 top of motor is not less than 3mm.
First lamination 1 or the 4th lamination 4 are 74-202mm in the length L0 for the length representative trunnion axis that horizontal plane projects；The
The length L1 of 4 one end planar section of one lamination 1 and the 4th lamination is 0.6-2.5mm, 3 one transverse plane of second lamination 2 and third lamination
Segment length L2 is 0.5-2mm；L1 > L2；Communicating passage 13 and 14 centreline space distance L4 of engaging column is 7-12mm.Engaging column
It is 11-14mm with 9 output shaft centreline space distance L3 of motor.
The thickness d 1 that cortex nozzle end is constituted at a distance between on the inside of the planar section of the first lamination 1 and 4 one end of the 4th lamination is
0.3-2mm, on the inside of the planar section of second lamination 2 and 3 one end of third lamination between at a distance from the thickness d 2 of sandwich layer nozzle end that constitutes
For 0.1-1mm.
The angle α of the curved surface of second lamination 2 or third lamination 3 and horizontal plane composition is 2-20o, second lamination 1 or third
The angle β of curved surface and the horizontal plane composition of lamination is 2-30o；The curved surface radian of second lamination 2 is less than the curved surface radian of lamination 1,
Third lamination 3 is identical with the curved surface radian of second lamination 2, and the 4th lamination 4 is identical with the curved surface radian of the first lamination 1.
The main body radius R1 of first lamination 1 is 36.4-98.5mm, and the edge radius R2 of the first lamination 1 is 37-101mm, the
The main body radius R3 of two laminations 2 is 36.1-97mm, and the edge radius R4 of second lamination 2 is 36.6-99mm.9 output shaft of motor
Radius R5 is 6-9mm；The cross sectional radius R6 of engaging column is 1-3mm, and the outer radius R7 of communicating passage 13 is 5-7mm, and connection is logical
The inside radius R8 in road 13 is 3-5mm.Main body radius refers to the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7
The tie point of side plate bending and planar section is to the linear distance between central point；Edge radius refer to the first lamination 4, second lamination 5,
The planar section endpoint of third lamination 6 and the 4th lamination 7 is to the linear distance between central point.Inside radius refers to interface channel 13
Radius；Outer radius is that the radius of interface channel 13 adds the thickness of interface channel 13.
Engaging column is preferably four.The number of communicating passage 13 is preferably four, and communicating passage 13 is preferably provided at linking
The outside of column.
When work, the first spinning solution from the first admission chamber 1 and the second spinning solution from the second admission chamber 2 respectively into
Enter the second spinning chamber 11 and the first spinning chamber 12；The second spinning solution into the first spinning chamber 12 enters the by communicating passage 13
Three spinning chambers 10；First spinning solution and the second spinning solution under motor-driven spinning disc turning effort centrifugal force and pumping
Pressure measurement is transported to the planar section of the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7, in cortex nozzle end and
Sandwich layer nozzle end completes the compound of the first spinning solution and the second spinning solution, and forms fibrous thread, due to surface tension effects,
First spinning solution is inside the second spinning solution, to form core-sheath or core shift composite construction.The threadiness thread from
Under the action of mental and physical efforts and electrostatic field force, it is stretched effect and is solidified into fiber with the volatilization of solvent, and be deposited on reception net
On curtain, composite electrostatic spinning web is obtained.
The utility model has larger since four Monday of disk circle is all spinning nozzle compared with the fine pore of needle head structure spinning head
Spinneret gap, do not easily cause spray orifice to block；And since four Monday of disk circle is all spinning nozzle, spinning efficiency is substantially increased；
Also dirty when with ultrasonic cleaning to be easily washable out simultaneously because four Monday of disk circle is all spinning nozzle.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including 4 stack of laminations
At 3 spinning cavitys, respectively the first spinning chamber 12, the second spinning chamber 11, third spinning chamber 10, lamination pass through engaging column 14
Link.Stainless steel spinning disc can be along motor output shaft high speed rotation, rotation speed 3000r/min.
The thickness H0 of first lamination 1 and the 4th lamination 4 is 0.2mm；The thickness H1 of second lamination 2 and third lamination 3 is
0.2mm；The height H2 of first spinning chamber 12 is 1mm, and the height of third spinning chamber 10 is 1mm；The height H3 of second spinning chamber 11
For 2mm；The integral thickness H4 of the spinning disc represented from 4 bottom end of the first lamination 1 top to the 4th lamination is 4.8mm, the first lamination 1
Height between 4 planar section outer edge of the 4th lamination represents the integral thickness H5 of spinneret as 1.2mm, 1 He of the first admission chamber
Axial height H6 between at the top of second admission chamber, 2 top to motor 9 is 6.0mm.
First lamination 1 or the 4th lamination 4 are 76mm in the length L0 for the length representative trunnion axis that horizontal plane projects；First is folded
The length L1 of 4 one end planar section of piece 1 and the 4th lamination is 1.0mm, 3 one end plane segment length L2 of second lamination 2 and third lamination
For 0.9mm；L1 > L2；Communicating passage 13 and 14 centreline space distance L4 of engaging column is 8mm.Engaging column and 9 output shaft of motor
The distance L3 of centreline space is 11mm.
The thickness d 1 that cortex nozzle end is constituted at a distance between on the inside of the planar section of the first lamination 1 and 4 one end of the 4th lamination is
0.3mm, on the inside of the planar section of second lamination 2 and 3 one end of third lamination between at a distance from the thickness d 2 of sandwich layer nozzle end that constitutes be
0.1mm。
The angle α of the curved surface of second lamination 2 or third lamination 3 and horizontal plane composition is 10o, and second lamination 1 or third are folded
The angle β of curved surface and the horizontal plane composition of piece is 20o；The curved surface radian of second lamination 2 is less than the curved surface radian of lamination 1, third
Lamination 3 is identical with the curved surface radian of second lamination 2, and the 4th lamination 4 is identical with the curved surface radian of the first lamination 1.
The main body radius R1 of first lamination 1 is 37mm, and the edge radius R2 of the first lamination 1 is 38mm, the master of second lamination 2
Body radius R3 is 36.6mm, and the edge radius R4 of second lamination 2 is 37.5mm.The radius R5 of 9 output shaft of motor is 6mm；Linking
The cross sectional radius R6 of column is 1mm, and the outer radius R7 of communicating passage 13 is 6mm, and the inside radius R8 of communicating passage 13 is 4mm.It is main
Body radius refers to that the first lamination 4, second lamination 5, third lamination 6 and the side plate bending of the 4th lamination 7 and the tie point of planar section arrive
Linear distance between central point；Edge radius refers to the flat of the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7
Face section endpoint is to the linear distance between central point.Inside radius refers to the radius of interface channel 13；Outer radius is interface channel 13
Radius add interface channel 13 thickness.
Engaging column is preferably four.The number of communicating passage 13 is preferably four, and communicating passage 13 is preferably provided at linking
The outside of column.
The resulting electrostatic spinning spinning head based on Free Surface coaxial eccentricity of the present embodiment, have it is easy to clean, be not easy
It causes spray orifice blocking, greatly improve the characteristics of spinning efficiency, can effectively realize the system of the complex fiber material with skin-core structure
It is standby.
Embodiment 2
As shown in Figure 1-Figure 3, a kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including 4 stack of laminations
At 3 spinning cavitys, respectively the first spinning chamber 12, the second spinning chamber 11, third spinning chamber 10, lamination pass through engaging column 14
Link.Stainless steel spinning disc can be along motor output shaft high speed rotation, rotation speed 4000r/min.
The thickness H0 of first lamination 1 and the 4th lamination 4 is 0.1mm；The thickness H1 of second lamination 2 and third lamination 3 is
0.3mm；The height H2 of first spinning chamber 12 is 2mm, and the height of third spinning chamber 10 is 2mm；The height H3 of second spinning chamber 11
For 2mm；The integral thickness H4 of the spinning disc represented from 4 bottom end of the first lamination 1 top to the 4th lamination is 6.8mm, the first lamination 1
Height between 4 planar section outer edge of the 4th lamination represents the integral thickness H5 of spinneret as 1.5mm, 1 He of the first admission chamber
Axial height H6 between at the top of second admission chamber, 2 top to motor 9 is 8mm.
First lamination 1 or the 4th lamination 4 are 83mm in the length L0 for the length representative trunnion axis that horizontal plane projects；First is folded
The length L1 of 4 one end planar section of piece 1 and the 4th lamination is 1.5mm, 3 one end plane segment length L2 of second lamination 2 and third lamination
For 1.2mm；L1 > L2；Communicating passage 13 and 14 centreline space distance L4 of engaging column is 9mm.Engaging column and 9 output shaft of motor
The distance L3 of centreline space is 12mm.
The thickness d 1 that cortex nozzle end is constituted at a distance between on the inside of the planar section of the first lamination 1 and 4 one end of the 4th lamination is
0.5mm, on the inside of the planar section of second lamination 2 and 3 one end of third lamination between at a distance from the thickness d 2 of sandwich layer nozzle end that constitutes be
0.2mm。
The angle α of the curved surface of second lamination 2 or third lamination 3 and horizontal plane composition is 5o, second lamination 1 or third lamination
Curved surface and horizontal plane composition angle β be 10o；The curved surface radian of second lamination 2 is less than the curved surface radian of lamination 1, and third is folded
Piece 3 is identical with the curved surface radian of second lamination 2, and the 4th lamination 4 is identical with the curved surface radian of the first lamination 1.
The main body radius R1 of first lamination 1 is 40mm, and the edge radius R2 of the first lamination 1 is 41.5mm, second lamination 2
Main body radius R3 is 39.8mm, and the edge radius R4 of second lamination 2 is 41mm.The radius R5 of 9 output shaft of motor is 7mm；Linking
The cross sectional radius R6 of column is 2mm, and the outer radius R7 of communicating passage 13 is 6mm, and the inside radius R8 of communicating passage 13 is 4mm.It is main
Body radius refers to that the first lamination 4, second lamination 5, third lamination 6 and the side plate bending of the 4th lamination 7 and the tie point of planar section arrive
Linear distance between central point；Edge radius refers to the flat of the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7
Face section endpoint is to the linear distance between central point.Inside radius refers to the radius of interface channel 13；Outer radius is interface channel 13
Radius add interface channel 13 thickness.
Engaging column is preferably four.The number of communicating passage 13 is preferably four, and communicating passage 13 is preferably provided at linking
The outside of column.
The resulting electrostatic spinning spinning head based on Free Surface coaxial eccentricity of the present embodiment, have it is easy to clean, be not easy
It causes spray orifice blocking, greatly improve the characteristics of spinning efficiency, can effectively realize the system of the complex fiber material with skin-core structure
It is standby.
Embodiment 3
As shown in Figure 1-Figure 3, a kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including 4 stack of laminations
At 3 spinning cavitys, respectively the first spinning chamber 12, the second spinning chamber 11, third spinning chamber 10, lamination pass through engaging column 14
Link.Stainless steel spinning disc can be along motor output shaft high speed rotation, rotation speed 5000r/min.
The thickness H0 of first lamination 1 and the 4th lamination 4 is 1.0mm；The thickness H1 of second lamination 2 and third lamination 3 is
0.3mm；The height H2 of first spinning chamber 12 is 1.5mm, and the height of third spinning chamber 10 is 1.5mm；The height of second spinning chamber 11
Degree H3 is 3.0mm；The integral thickness H4 of the spinning disc represented from 4 bottom end of the first lamination 1 top to the 4th lamination is 8.6mm, the
Height between 4 planar section outer edge of one lamination 1 and the 4th lamination represents the integral thickness H5 of spinneret as 3.5mm, first into
Axial height H6 between at the top of sap cavity 1 and 2 top of the second admission chamber to motor 9 is 10.5mm.
First lamination 1 or the 4th lamination 4 are 163.6mm in the length L0 for the length representative trunnion axis that horizontal plane projects；The
The length L1 of 4 one end planar section of one lamination 1 and the 4th lamination is 1.8mm, 3 one end plane segment length of second lamination 2 and third lamination
Degree L2 is 0.5mm；L1 > L2；Communicating passage 13 and 14 centreline space distance L4 of engaging column is 8mm.Engaging column and motor 9 are defeated
The distance L3 of shaft centreline space is 12mm.
The thickness d 1 that cortex nozzle end is constituted at a distance between on the inside of the planar section of the first lamination 1 and 4 one end of the 4th lamination is
0.5mm, on the inside of the planar section of second lamination 2 and 3 one end of third lamination between at a distance from the thickness d 2 of sandwich layer nozzle end that constitutes be
0.4mm。
The angle α of the curved surface of second lamination 2 or third lamination 3 and horizontal plane composition is 15o, and second lamination 1 or third are folded
The angle β of curved surface and the horizontal plane composition of piece is 20o；The curved surface radian of second lamination 2 is less than the curved surface radian of lamination 1, third
Lamination 3 is identical with the curved surface radian of second lamination 2, and the 4th lamination 4 is identical with the curved surface radian of the first lamination 1.
The main body radius R1 of first lamination 1 is 80mm, and the edge radius R2 of the first lamination 1 is 81.8mm, second lamination 2
Main body radius R3 is 80.8mm, and the edge radius R4 of second lamination 2 is 81.3mm.The radius R5 of 9 output shaft of motor is 7mm；Rank
The cross sectional radius R6 for connecing column is 2mm, and the outer radius R7 of communicating passage 13 is 5mm, and the inside radius R8 of communicating passage 13 is 3mm.
Main body radius refers to the side plate bending of the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7 and the tie point of planar section
To the linear distance between central point；Edge radius refers to the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7
Planar section endpoint is to the linear distance between central point.Inside radius refers to the radius of interface channel 13；Outer radius is interface channel
13 radius adds the thickness of interface channel 13.
Engaging column is preferably four.The number of communicating passage 13 is preferably four, and communicating passage 13 is preferably provided at linking
The outside of column.
The resulting electrostatic spinning spinning head based on Free Surface coaxial eccentricity of the present embodiment, have it is easy to clean, be not easy
It causes spray orifice blocking, greatly improve the characteristics of spinning efficiency, can effectively realize the system of the complex fiber material with skin-core structure
It is standby.
Embodiment 4
As shown in Figure 1-Figure 3, a kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including 4 stack of laminations
At 3 spinning cavitys, respectively the first spinning chamber 12, the second spinning chamber 11, third spinning chamber 10, lamination pass through engaging column 14
Link.Stainless steel spinning disc can be along motor output shaft high speed rotation, rotation speed 2000r/min.
The thickness H0 of first lamination 1 and the 4th lamination 4 is 1.0mm；The thickness H1 of second lamination 2 and third lamination 3 is
0.4mm；The height H2 of first spinning chamber 12 is 2mm, and the height of third spinning chamber 10 is 2mm；The height H3 of second spinning chamber 11
For 4.2mm；The integral thickness H4 of the spinning disc represented from 4 bottom end of the first lamination 1 top to the 4th lamination is 11mm, the first lamination
Height between 1 and 4 planar section outer edge of the 4th lamination represents the integral thickness H5 of spinneret as 4.1mm, 1 He of the first admission chamber
Axial height H6 between at the top of second admission chamber, 2 top to motor 9 is 12.5mm.
First lamination 1 or the 4th lamination 4 are 183.6mm in the length L0 for the length representative trunnion axis that horizontal plane projects；The
The length L1 of 4 one end planar section of one lamination 1 and the 4th lamination is 1.8mm, 3 one end plane segment length of second lamination 2 and third lamination
Degree L2 is 0.5mm；L1 > L2；Communicating passage 13 and 14 centreline space distance L4 of engaging column is 10mm.Engaging column and motor 9 are defeated
The distance L3 of shaft centreline space is 11mm.
The thickness d 1 that cortex nozzle end is constituted at a distance between on the inside of the planar section of the first lamination 1 and 4 one end of the 4th lamination is
0.8mm, on the inside of the planar section of second lamination 2 and 3 one end of third lamination between at a distance from the thickness d 2 of sandwich layer nozzle end that constitutes be
0.5mm。
The angle α of the curved surface of second lamination 2 or third lamination 3 and horizontal plane composition is 10o, and second lamination 1 or third are folded
The angle β of curved surface and the horizontal plane composition of piece is 15o；The curved surface radian of second lamination 2 is less than the curved surface radian of lamination 1, third
Lamination 3 is identical with the curved surface radian of second lamination 2, and the 4th lamination 4 is identical with the curved surface radian of the first lamination 1.
The main body radius R1 of first lamination 1 is 90mm, and the edge radius R2 of the first lamination 1 is 91.8mm, second lamination 2
Main body radius R3 is 90.8mm, and the edge radius R4 of second lamination 2 is 91.3mm.The radius R5 of 9 output shaft of motor is 6mm；Rank
The cross sectional radius R6 for connecing column is 2mm, and the outer radius R7 of communicating passage 13 is 6mm, and the inside radius R8 of communicating passage 13 is 4mm.
Main body radius refers to the side plate bending of the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7 and the tie point of planar section
To the linear distance between central point；Edge radius refers to the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7
Planar section endpoint is to the linear distance between central point.Inside radius refers to the radius of interface channel 13；Outer radius is interface channel
13 radius adds the thickness of interface channel 13.
Engaging column is preferably four.The number of communicating passage 13 is preferably four, and communicating passage 13 is preferably provided at linking
The outside of column.
The resulting electrostatic spinning spinning head based on Free Surface coaxial eccentricity of the present embodiment, have it is easy to clean, be not easy
It causes spray orifice blocking, greatly improve the characteristics of spinning efficiency, can effectively realize the system of the complex fiber material with skin-core structure
It is standby.
Embodiment 5
As shown in Figure 1-Figure 3, a kind of electrostatic spinning spinning head based on Free Surface coaxial eccentricity, including 4 stack of laminations
At 3 spinning cavitys, respectively the first spinning chamber 12, the second spinning chamber 11, third spinning chamber 10, lamination pass through engaging column 14
Link.Stainless steel spinning disc can be along motor output shaft high speed rotation, rotation speed 6000r/min.
The thickness H0 of first lamination 1 and the 4th lamination 4 is 1.3mm；The thickness H1 of second lamination 2 and third lamination 3 is
0.5mm；The height H2 of first spinning chamber 12 is 3mm, and the height of third spinning chamber 10 is 3mm；The height H3 of second spinning chamber 11
For 5mm；The integral thickness H4 of the spinning disc represented from 4 bottom end of the first lamination 1 top to the 4th lamination is 14.6mm, the first lamination
Height between 1 and 4 planar section outer edge of the 4th lamination represents the integral thickness H5 of spinneret as 5.3mm, 1 He of the first admission chamber
Axial height H6 between at the top of second admission chamber, 2 top to motor 9 is 17mm.
First lamination 1 or the 4th lamination 4 are 135mm in the length L0 for the length representative trunnion axis that horizontal plane projects；First
The length L1 of 4 one end planar section of lamination 1 and the 4th lamination is 2.5mm, 3 one end plane segment length of second lamination 2 and third lamination
L2 is 2mm；L1 > L2；Communicating passage 13 and 14 centreline space distance L4 of engaging column is 9mm.Engaging column and 9 output shaft of motor
The distance L3 of centreline space is 13mm.
The thickness d 1 that cortex nozzle end is constituted at a distance between on the inside of the planar section of the first lamination 1 and 4 one end of the 4th lamination is
1.2mm, on the inside of the planar section of second lamination 2 and 3 one end of third lamination between at a distance from the thickness d 2 of sandwich layer nozzle end that constitutes be
0.5mm。
The angle α of the curved surface of second lamination 2 or third lamination 3 and horizontal plane composition is 20o, and second lamination 1 or third are folded
The angle β of curved surface and the horizontal plane composition of piece is 25o；The curved surface radian of second lamination 2 is less than the curved surface radian of lamination 1, third
Lamination 3 is identical with the curved surface radian of second lamination 2, and the 4th lamination 4 is identical with the curved surface radian of the first lamination 1.
The main body radius R1 of first lamination 1 is 65mm, and the edge radius R2 of the first lamination 1 is 67.5mm, second lamination 2
Main body radius R3 is 64mm, and the edge radius R4 of second lamination 2 is 66mm.The radius R5 of 9 output shaft of motor is 8mm；Engaging column
Cross sectional radius R6 be 2mm, the outer radius R7 of communicating passage 13 is 5mm, and the inside radius R8 of communicating passage 13 is 3mm.Main body
Radius refers to the first lamination 4, second lamination 5, third lamination 6 and the side plate bending of the 4th lamination 7 and the tie point of planar section in
Linear distance between heart point；Edge radius refers to the plane of the first lamination 4, second lamination 5, third lamination 6 and the 4th lamination 7
Duan Duandian is to the linear distance between central point.Inside radius refers to the radius of interface channel 13；Outer radius is interface channel 13
Radius adds the thickness of interface channel 13.
Engaging column is preferably four.The number of communicating passage 13 is preferably four, and communicating passage 13 is preferably provided at linking
The outside of column.
The resulting electrostatic spinning spinning head based on Free Surface coaxial eccentricity of the present embodiment, have it is easy to clean, be not easy
It causes spray orifice blocking, greatly improve the characteristics of spinning efficiency, can effectively realize the system of the complex fiber material with skin-core structure
It is standby.
The embodiments of the present invention is simultaneously not restricted to the described embodiments, other any without departing from essence of the invention
Refreshing essence and made changes, modifications, substitutions, combinations, simplifications under principle, should be equivalent substitute mode, are included in this
In the protection scope of utility model.
Claims (10)
1. the electrostatic spinning spinning head based on Free Surface coaxial eccentricity, it is characterised in that: including the first admission chamber, the second feed liquor
Chamber, the first spinning chamber, the second spinning chamber, third spinning chamber, communicating passage, motor and engaging column；
First lamination, second lamination, third lamination and the 4th lamination all include side plate bending and planar section, and planar section is located at side plate bending
Both ends；The cambered surface of first lamination and second lamination is upward；The cambered surface of third lamination and the 4th lamination is downward；First lamination and
Two lamination intervals are arranged to form the first spinning chamber；Second lamination and third lamination interval are arranged to form the second spinning chamber；Third is folded
Piece and the 4th lamination interval are arranged to form third spinning chamber；The upper of the second spinning chamber is arranged in first spinning chamber and third spinning chamber
Lower two sides, communicating passage are fixed in second lamination and third lamination；Motor is connected with exporting axis, and output shaft is folded with the 4th respectively
Piece is connected with third lamination；First lamination and second lamination are connect by engaging column with third lamination and the 4th lamination；First into
One in sap cavity and the second admission chamber is connected to the first spinning chamber；Another is connected to the second spinning chamber；First spinning chamber and
Third spinning chamber is connected to by communicating passage；First lamination and second lamination are logical with the first admission chamber or the second admission chamber respectively
Road connection.
2. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: described
The first lamination and the 4th lamination with a thickness of 0.05-1.5mm；Second lamination and third lamination with a thickness of 0.2-0.5mm.
3. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: described
The first spinning chamber and third spinning chamber height be 1-4mm；The height of second spinning chamber is 2-10mm.
4. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: described
The first lamination or the length that projects in horizontal plane of the 4th lamination be 74-202mm；First lamination and the 4th lamination one end planar section
Length be 0.6-2.5mm, second lamination and third lamination one end plane segment length are 0.5-2mm.
5. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: described
Communicating passage at a distance from engaging column centreline space be 7-12mm；Engaging column is at a distance from motor output shaft centreline space
11-14mm。
6. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: described
The first lamination and the 4th lamination one end planar section on the inside of between at a distance from constitute cortex nozzle end with a thickness of 0.3-2mm, the
The sandwich layer nozzle end constituted at a distance between on the inside of the planar section of two laminations and third lamination one end with a thickness of 0.1-1mm.
7. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: second
The angle of the curved surface of lamination or third lamination and horizontal plane composition is 2-20 °, the curved surface and level of second lamination or third lamination
The angle of face composition is 2-30 °.
8. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: described
The main body radius R1 of the first lamination be 36.4-98.5mm, the edge radius R2 of the first lamination 1 is 37-101mm, second lamination
Main body radius R3 be 36.1-97mm, the edge radius R4 of second lamination is 36.6-99mm；The radius of motor output shaft is 6-
9mm；The cross sectional radius of engaging column is 1-3mm, and the outer radius of communicating passage is 5-7mm, and the inside radius of communicating passage is 3-
5mm；Main body radius refers to the side plate bending of the first lamination, second lamination, third lamination and the 4th lamination and the tie point of planar section
To the linear distance between central point；Edge radius refers to the plane of the first lamination, second lamination, third lamination and the 4th lamination
Duan Duandian is to the linear distance between central point；The inside radius refers to the radius of interface channel；Outer radius is interface channel
Radius add interface channel thickness.
9. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: from
The integral thickness for the spinning disc that one lamination top to the 4th lamination bottom end represents is 4.5-22mm, and the first lamination and the 4th lamination are flat
Height between the section outer edge of face represents the integral thickness of spinneret as 0.9-7mm；First admission chamber and the second admission chamber top
Axial height between at the top of to motor is not less than 3mm.
10. the electrostatic spinning spinning head according to claim 1 based on Free Surface coaxial eccentricity, it is characterised in that: institute
The engaging column stated is four；The number of communicating passage is four, and the outside of engaging column is arranged in communicating passage；The output shaft
It is connect respectively with the 4th lamination and third lamination by fixture nut；First lamination and second lamination pass through sealing respectively
Bearing is connect with the channel of the first admission chamber or the second admission chamber.
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| CN201820625762.4U CN208717479U (en) | 2018-04-28 | 2018-04-28 | Electrostatic spinning spinning head based on Free Surface coaxial eccentricity |
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|---|---|---|---|
| CN201820625762.4U CN208717479U (en) | 2018-04-28 | 2018-04-28 | Electrostatic spinning spinning head based on Free Surface coaxial eccentricity |
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| CN108385175A (en) * | 2018-04-28 | 2018-08-10 | 华南理工大学 | A kind of Free Surface coaxial eccentricity electrostatic spinning spinning head |
| CN110158165A (en) * | 2019-06-18 | 2019-08-23 | 广东工业大学 | A kind of centrifugation electrostatic spinning nozzle |
| CN110318105A (en) * | 2019-05-28 | 2019-10-11 | 武汉纺织大学 | A kind of centrifugation spray device of two-way core-skin fibre |
| CN110331453A (en) * | 2019-05-28 | 2019-10-15 | 武汉纺织大学 | A kind of centrifugal spinning spray head spinning skin-core structure fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385175A (en) * | 2018-04-28 | 2018-08-10 | 华南理工大学 | A kind of Free Surface coaxial eccentricity electrostatic spinning spinning head |
| CN108385175B (en) * | 2018-04-28 | 2023-09-29 | 华南理工大学 | Free surface coaxial centrifugal electrostatic spinning spinneret |
| CN110318105A (en) * | 2019-05-28 | 2019-10-11 | 武汉纺织大学 | A kind of centrifugation spray device of two-way core-skin fibre |
| CN110331453A (en) * | 2019-05-28 | 2019-10-15 | 武汉纺织大学 | A kind of centrifugal spinning spray head spinning skin-core structure fiber |
| CN110331453B (en) * | 2019-05-28 | 2020-12-15 | 武汉纺织大学 | Centrifugal spinning nozzle for spinning skin-core structure fiber |
| CN110158165A (en) * | 2019-06-18 | 2019-08-23 | 广东工业大学 | A kind of centrifugation electrostatic spinning nozzle |
| CN113502552A (en) * | 2021-06-10 | 2021-10-15 | 武汉纺织大学 | Spinning equipment for preparing nano fibers |
| CN113502552B (en) * | 2021-06-10 | 2022-04-19 | 武汉纺织大学 | Spinning equipment for preparing nano fibers |
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