CN109695064A - Throwing device and the nanofiber 3D printing device for using the throwing device - Google Patents
Throwing device and the nanofiber 3D printing device for using the throwing device Download PDFInfo
- Publication number
- CN109695064A CN109695064A CN201910173360.4A CN201910173360A CN109695064A CN 109695064 A CN109695064 A CN 109695064A CN 201910173360 A CN201910173360 A CN 201910173360A CN 109695064 A CN109695064 A CN 109695064A
- Authority
- CN
- China
- Prior art keywords
- electrode
- injector head
- protection pipe
- throwing device
- nanofiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
Abstract
The present invention relates to throwing device and use the nanofiber 3D printing device of the throwing device; 3D printing device includes the rack for being provided with workbench; the moveable throwing device of the relatively described workbench is provided in rack; throwing device includes electrode injector head and protection pipe; the electrode injector head is set to one end of the protection pipe; the other end of protection pipe is provided with filament mouth corresponding with the spout of the electrode injector head, is provided at the filament mouth with the electrode injector head insulation set into silk electrode.The present invention solves the problems, such as that the electrode injector head of existing throwing device is arranged in pairs and causes entire throwing plant bulk larger.
Description
Divisional application of the application for following applications, the applying date of original application: on 07 14th, 2016, the application of original application
Number: 201610552727.X, the denomination of invention of original application: throwing device and the nanofiber 3D printing dress using the throwing device
It sets.
Technical field
The present invention relates to a kind of throwing device and use the nanofiber 3D printing device of the throwing device.
Background technique
The 3D printing technology emerging as one kind, wide range of applications, application market are also very huge.It is existing
3D printing device includes the head mechanism for having the rack of workbench and being set in rack, and head mechanism includes injection
Head, injector head can carry out the movement of x-axis, y-axis and z-axis relative to workbench.In use, liquid starting material or powdery starting material
It is flowed out on workbench after being melted through print head, the raw material of liquid solidify into a single integrated structure on the table, ultimately form
Desired shape of product.Existing this conventional 3D printing has problems in that: the final printed product of 3D printing device is
The material solidification of liquid at integral structure, this toughness of products is poor, does not have resistance to drawing ability, may not apply to toughness, anti-
Drawing ability has to be used on the product of demand, such as the bracket etc. in medical domain；In addition, being printed by existing 3D printing device
The product come is structure as a whole, therefore such product does not have strainability, this results in existing 3D printing device that cannot use
It is used to print in the product required to filterability, such as the mask of gas can be filtered, corresponding molecule can be filtered
Blood vessel etc..
The weaving of bundles of nanofibers then can be very good to solve the above problems, so if can be by the electrostatic in field of textiles
Spinning is applied on 3D printing device, that is, a new technical breakthrough.Chinese patent CN100334268C is disclosed
A kind of " preparation method of nano fiber endless tow " discloses throwing device in this document, which includes a spinning
Cabinet is provided with electrospinning spinnerets arranged in pairs i.e. electrode injector head in spinning manifold, in use, high polymeric solution is conveyed to
Corresponding electrospinning spinnerets apply the DC high voltage of opposite polarity, electrospinning spray to two spray heads in every a pair of of electrospinning spinnerets respectively
The Polymer Solution at crown end, which stretches, whip is dynamic forms the nanofiber with charge, and what the opposite electrospinning spinnerets of spout sprayed receives
Rice fiber has opposite charges, attracts each other in the sky, collides, forms composite nano fiber, the shape after godet traction, stretching
At endless tow, finally to collecting nanofibers, because having surfactant, collected Nanowire in raw material
Dimension will not stick to each other, and can use in subsequent weaving.This throwing device can produce nanometer and fibre bundle, spin
Silk cabinet can provide a relatively stable throwing environment for Primary Processing, but due to the layout relationship of electrospinning spinnerets, lead
Cause the volume of spinning manifold larger, so that anti-silk cabinet can not be this more demanding to package size applied to 3D printing device
It is used in environment；In addition, working out molding after needing throwing when 3D printing, this requires fiber filaments should have certain temperature, temperature
Spend higher fiber filament also easy oxidation by air and influence into yarn quality；The wire vent speed of existing this spinning manifold can not
Meets the needs of 3D printing device.
Summary of the invention
The purpose of the present invention is to provide a kind of throwing devices, to solve the pairs of cloth of electrode injector head of existing throwing device
The problem set and cause entire throwing plant bulk larger；The object of the invention is also to provide a kind of using the throwing device
Nanofiber 3D printing device.
To solve the above-mentioned problems, the present invention in throwing device technical solution are as follows:
Throwing device, including electrode injector head, further include protection pipe, and the electrode injector head is set to the one of the protection pipe
End, the other end of protection pipe are provided with filament mouth corresponding with the spout of the electrode injector head, are arranged at the filament mouth
Have with the electrode injector head insulation set into silk electrode.
The filament mouth is set to described on silk electrode, and filament mouth has cone of the big opening end towards the electrode injector head
Shape centering section.
Being coaxially set in electrode injector head has directing gas flow pipe.
The periphery of the electrode injector head is provided with the protective gas access tube being connected to the protection pipe.
The technical solution of 3D printing device in the present invention are as follows:
It is removable to be provided with the relatively described workbench in rack for nanofiber 3D printing device, the rack including being provided with workbench
Dynamic throwing device, throwing device include electrode injector head and protection pipe, and the electrode injector head is set to the protection pipe
One end, the other end of protection pipe are provided with filament mouth corresponding with the spout of the electrode injector head, set at the filament mouth
It is equipped with the electrode injector head insulation set into silk electrode.
Nanofiber 3D printing device further includes that positive electrode, negative electrode are electrically connected with electrode injector head, at silk electrode respectively
HV generator.
The filament mouth is set to described on silk electrode, and filament mouth has cone of the big opening end towards the electrode injector head
Shape centering section.
Being coaxially set in electrode injector head has directing gas flow pipe.
The periphery of the electrode injector head is provided with the protective gas access tube being connected to the protection pipe.
Z direction guiding rail is provided in rack, guiding movement is equipped with moving beam on z direction guiding rail, and the setting of throwing device is moving
On dynamic crossbeam, y direction guiding rail is additionally provided in rack, workbench includes the pedestal cooperated with the y direction guiding rail guiding movement and turns
Mold roller of the pivot center being set on pedestal along y to extension is moved, the mold of driving mold roller rotation is provided on workbench
Roller driving mechanism.
The invention has the benefit that in use, electrode injector head and at electrode is applied on silk electrode respectively it is opposite
Voltage, the macromolecule that electrode injector head goes out are easy to stretch, change the fiber filament for being formed and having charge, and in the attraction at silk electrode
It is mobile towards filament mouth and finally removed by filament mouth under effect, a motor injector head is only set in the present invention, passes through protection pipe
The other end matches synthesis silk at silk electrode and motor injector head, therefore is respectively placed in protection pipe by motor injector head, at silk motor
Both ends, whole device is compact-sized, small volume, and it is this kind of restricted to space requirement to can be adapted for 3D printing device
Product in use.
Further, being coaxially set in electrode injector head has directing gas flow pipe, in use, to directing gas flow Guan Zhongtong
Gas, the gas being discharged by directing gas flow pipe are blown the fiber filament of formation, on the one hand can increase it is filametntary at filament length degree, separately
On the one hand it can also increase filametntary wire vent speed.
Further, inert gas is passed through into protection pipe by protective gas access tube, poisonous gas is to fiber shape
At protection, fiber filament is avoided to be oxidized, while guaranteeing fiber filament into yarn quality, can also further improve wire vent speed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of nanofiber 3D printing device in the present invention；
Fig. 2 is the cooperation schematic diagram of throwing device and propeller and HV generator in Fig. 1；
Fig. 3 is the structural schematic diagram of throwing device in Fig. 1；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the perspective view of Fig. 3；
Fig. 6 is the structural schematic diagram of the embodiment 2 of nanofiber 3D printing device in the present invention.
Specific embodiment
The embodiment 1 of nanofiber 3D printing device is as shown in Fig. 1 ~ 5: the rack including being provided with workbench, in rack
It is provided with the spaced apart z direction guiding rail 12 in left and right, the guide direction of z direction guiding rail 12 is up and down direction, guiding movement on z direction guiding rail
It is equipped with moving beam 13, the upper end of two z direction guiding rails 12 is connected by fixed cross beam 11, fixed cross beam 11 and z direction guiding rail structure
At portal structures.Throwing device 14 is provided on moving beam 13.The bottom of two z direction guiding rails is provided with base cross members 17, bottom
Y direction guiding rail is provided on portion's crossbeam 17, the guide direction of y direction guiding rail is front-rear direction, and workbench includes being oriented to move with y direction guiding rail
The mold roller 15 that the pedestal 18 of dynamic cooperation and the pivot center being rotatably dispose on pedestal extend along the longitudinal direction is arranged in rack
There is the mold roller driving mechanism of driving mold roller rotation, mold roller driving mechanism includes driving motor, and driving motor passes through transmission
Band 16 and mold roller are sequentially connected.
Throwing device includes protection pipe 5 made of isolation material, and the upper end of protection pipe 5 is connected by injection head bracket 4
There is an electrode injector head 2, the lower end of protection pipe 5 is connected with into silk electrode 10 by electrode board mount 7, at being provided on silk electrode 10
The upper end of filament mouth 6 corresponding with the spout of electrode injector head, filament mouth 6 has taper of the big opening end towards electrode injector head
Centering section.Coaxial line is installed with directing gas flow pipe 1 on electrode injector head.The periphery of electrode injector head 2 is provided with to be connected with protection pipe 5
Logical protective gas access tube 3, in the present embodiment, there are four protective gas access tubes, four protective gas access tubes
Circumferentially spaced arrangement.3D printing device further includes propeller 8 and HV generator 9, propeller and motor injector head phase
Even, anode, the cathode of HV generator are electrically connected with electrode injector head and at silk electrode respectively.
In use, by being placed in propeller without the liquid macroimolecule raw material of surfactant, to electrode injector head and
At DC high voltage is applied on silk motor, by the effect of electric field force, the fluid that motor injector head sprays forms nanoscale fiber
Silk, by inert gas that protective gas access tube is passed through such as nitrogen, make to form a stable environment around fiber filament,
It avoids fiber filament from being oxidized and influences filametntary quality, fiber filament is blown by the gas that directing gas flow pipe is passed through, limit can be improved
Position silk at filament length degree and wire vent speed, the taper centering section of filament mouth setting advantageously ensures that fiber filament is smoothly led by filament mouth
Out.When needing to make tubular products, circumferential can be wrapped on mold roller by the fiber filament of filament mouth blowout, according to design journey
Sequence, reciprocal to wind, the nanofiber without surfactant will not be loose in nano effect effect, ultimately forms tubular products.
Such as artificial blood vessel, bracket etc. can have flexible and tensile capacity well, for artificial blood vessel for bracket
For, the gap between fiber filament can play high level filtration, meet the requirement of blood vessel；When needing non-tubular shape
When structure for example, mask, can by tubular products after molding cut obtain, naturally it is also possible to pass through setting design journey
Sequence, makes mold roller only carry out positive and negative reciprocating rotation, and shaped article is non-circumferentially closed, that is to say, that passes through making for mold roller
With can also form non-tubular sheet products, improve this 3D and beat so that this 3D printing device can both form tubular products
The versatility that printing equipment is set；In addition, y is realized that workbench is in door-shaped frame to mobile by the movement of workbench, avoid entire
Door-shaped frame y is to problem that is mobile and causing entire 3D printing device occupied space larger, due to connect high pressure on throwing device
Electricity, y are the mobile operating condition an of high frequency to movement, and throwing device is not moved upwards in y, by the y of workbench to it is mobile come reality
It is existing, it is ensured that the x of the safety in utilization of entire 3D printing device, same reason, filament mouth opposing mold roller is original to movement
It is also the mobile operating condition of a high frequency, realizes the process by the rotation of mold roller in the present invention, that is, reduce the whole of product
Body size also avoids that throwing device is mobile and bring risk problem.
In other embodiments of the invention: when only needing printing piece shape product such as mask, mold roller can not be set,
There is on workbench a printing plane at this time, but need to guarantee that filament mouth can be relative to printing plane x to movement at this time；
HV generator and propeller (that is can also can not be beaten not as a part of this 3D printing device with this 3D
Printing equipment is set sells together), such as consumer voluntarily can separately match HV generator and propulsion after buying 3D printing device
Device；Filament mouth can also be not provided on Yu Chengsi electrode, such as filament mouth is set to by silk electrode；Taper on filament mouth
Centering section can not also be set；Protection pipe can also be made of metal material, need to guarantee at this time electrode injection pipe and/at silk motor and
Insulation between protection pipe；It can be to connect cathode on electrode injector head, at connecing anode on silk electrode；Protective gas access tube
Number can also be selected as needed, such as one, two or other numbers, certainly when to forming quality of products requirement
When being not very high, such as mask product, protective gas access tube can not also be set.
The embodiment 2 of nanofiber 3D printing device is as shown in Figure 6: embodiment 2 unlike the first embodiment: the implementation
Workbench does not include mold roller in example, this 3D printing device is the three axis printers with x-axis, y-axis and z-axis of a routine,
Throwing device 14 is set on moving beam 13 along x to guiding movement, and moving beam is set to guiding movement along y and moves stringer
On 20, mobile stringer 20 is then set on fixed stringer along z to guiding movement.
The implementation of throwing device is for example shown in Fig. 1 ~ 6: the specific structure of throwing device and above-mentioned each 3D printing device are implemented
Throwing device described in example is identical, and this will not be detailed here.In the other embodiments of this throwing device, throwing device can also be with
In the Weaving device for being not applied on 3D printing device, such as being applied in field of textiles.
Claims (8)
1. throwing device, including electrode injector head, it is characterised in that: further include protection pipe, the electrode injector head is set to institute
One end of protection pipe is stated, the other end of protection pipe is provided with filament mouth corresponding with the spout of the electrode injector head, described
It is provided at filament mouth with the electrode injector head insulation set into silk electrode；Being coaxially set in electrode injector head has water conservancy diversion
Flue.
2. throwing device according to claim 1, it is characterised in that: the filament mouth be set to it is described on silk electrode,
Filament mouth has taper centering section of the big opening end towards the electrode injector head.
3. throwing device according to claim 1 or 2, it is characterised in that: the periphery of the electrode injector head be provided with
The protective gas access tube of the protection pipe connection.
4. nanofiber 3D printing device, the rack including being provided with workbench, it is characterised in that: be provided with opposite institute in rack
The moveable throwing device of workbench is stated, throwing device includes electrode injector head and protection pipe, and the electrode injector head is set to
One end of the protection pipe, the other end of protection pipe are provided with filament mouth corresponding with the spout of the electrode injector head, institute
It states and is provided at filament mouth with the electrode injector head insulation set into silk electrode；It is coaxially set and leads in electrode injector head
Flow flue.
5. nanofiber 3D printing device according to claim 4, it is characterised in that: nanofiber 3D printing device also wraps
Include positive electrode, negative electrode respectively with electrode injector head, the HV generator being electrically connected at silk electrode.
6. nanofiber 3D printing device according to claim 4, it is characterised in that: the filament mouth be set to it is described at
On silk electrode, filament mouth has taper centering section of the big opening end towards the electrode injector head.
7. nanofiber 3D printing device according to claim 4, it is characterised in that: the periphery of the electrode injector head is set
It is equipped with the protective gas access tube being connected to the protection pipe.
8. according to nanofiber 3D printing device described in claim 4-7 any one, it is characterised in that: be provided in rack
Z direction guiding rail, guiding movement is equipped with moving beam on z direction guiding rail, and throwing device is arranged on moving beam, also sets up in rack
There is y direction guiding rail, workbench includes and the pedestal of y direction guiding rail guiding movement cooperation and the rotation axis being rotatably dispose on pedestal
Line to the mold roller of extension, is provided with the mold roller driving mechanism of driving mold roller rotation along y on workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173360.4A CN109695064B (en) | 2016-07-14 | 2016-07-14 | Silk making device and nanofiber 3D printing device using same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552727.XA CN106048747B (en) | 2016-07-14 | 2016-07-14 | Throwing device and the nanofiber 3D printing device for using the throwing device |
| CN201910173360.4A CN109695064B (en) | 2016-07-14 | 2016-07-14 | Silk making device and nanofiber 3D printing device using same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610552727.XA Division CN106048747B (en) | 2016-07-14 | 2016-07-14 | Throwing device and the nanofiber 3D printing device for using the throwing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109695064A true CN109695064A (en) | 2019-04-30 |
| CN109695064B CN109695064B (en) | 2021-09-21 |
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| CN201610552727.XA Active CN106048747B (en) | 2016-07-14 | 2016-07-14 | Throwing device and the nanofiber 3D printing device for using the throwing device |
| CN201910173360.4A Active CN109695064B (en) | 2016-07-14 | 2016-07-14 | Silk making device and nanofiber 3D printing device using same |
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| CN201610552727.XA Active CN106048747B (en) | 2016-07-14 | 2016-07-14 | Throwing device and the nanofiber 3D printing device for using the throwing device |
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| US7326043B2 (en) * | 2004-06-29 | 2008-02-05 | Cornell Research Foundation, Inc. | Apparatus and method for elevated temperature electrospinning |
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| US4266918A (en) * | 1978-03-13 | 1981-05-12 | Pulp And Paper Research Institute Of Canada | Apparatus for electrostatic fibre spinning from polymeric fluids |
| CN102719907A (en) * | 2012-07-16 | 2012-10-10 | 苏州大学 | Electrostatic spinning device |
| CN103334167A (en) * | 2013-07-11 | 2013-10-02 | 厦门大学 | Microfiber coil electrospinning direct-writing device |
| CN203637190U (en) * | 2013-11-19 | 2014-06-11 | 北京化工大学 | Controllable type three-dimensional electrostatic spinning printing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106048747B (en) | 2019-02-15 |
| CN109695064B (en) | 2021-09-21 |
| CN106048747A (en) | 2016-10-26 |
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