CN209292521U - A kind of syringe needle and its arrangement architecture of electrostatic spinning - Google Patents
A kind of syringe needle and its arrangement architecture of electrostatic spinning Download PDFInfo
- Publication number
- CN209292521U CN209292521U CN201821960951.3U CN201821960951U CN209292521U CN 209292521 U CN209292521 U CN 209292521U CN 201821960951 U CN201821960951 U CN 201821960951U CN 209292521 U CN209292521 U CN 209292521U
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- CN
- China
- Prior art keywords
- syringe needle
- needle
- ejiction opening
- electrostatic spinning
- syringe
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- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 24
- 229920000642 polymer Polymers 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000007665 sagging Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
A kind of syringe needle of electrostatic spinning, includes the needle tubing in hydrojet channel, and needle tubing free end, which is equipped with, be connected to and for the ejiction opening that polymer solution sprays with hydrojet channel, and ejiction opening place plane is of an inclined plane with respect to needle tubing length direction, also, ejiction opening is upward.The utility model further relates to a kind of arrangement architecture of the syringe needle of electrostatic spinning.It is of an inclined plane by plane where ejiction opening with respect to needle tubing length direction, also, ejiction opening is upward.When syringe needle carries out lateral spinneret, needle interior wall where ejiction opening has a upward holding power to the drop of ejiction opening, and drop is not easy sagging, and the silk sprayed in this way is not easy to fall downwards, the silk of ejection is more straight without being located at below drop, can be collected into relatively completely on the roller bearing of collector；Multiple syringe needles are arranged, so that the spinneret amount being collected into is larger also relatively uniform.
Description
Technical field
The utility model relates to electrostatic spinning fields, and in particular to a kind of syringe needle and arrangement architecture of electrostatic spinning.
Background technique
When electrostatic spinning, polymer solution sprays under the action of high voltage electric field from syringe needle, forms taylor cone.Syringe needle, packet
The needle tubing in hydrojet channel is included, needle tubing free end is equipped with the ejiction opening for being connected to hydrojet channel and spraying for polymer solution.Tool
Body, under high voltage electric field effect, the drop at ejiction opening can be become conical (i.e. " taylor cone ") from spherical shape, and the silk of ejection is received
Collection is on the collector.
Using more syringe needle, for solution ejiction opening, in flat mouth, (i.e. plane where ejiction opening is with respect to needle tubing length direction at present
Metal needle vertically).Flat mouth syringe needle can achieve a kind of dynamic balance, force analysis such as Fig. 1 when vertical spinneret
It is shown.But flat mouth syringe needle is when horizontal spinneret, the more difficult dynamic balance of formation, and force analysis is as shown in Figure 2；Drop by
It lets droop in there is no upward power on vertical direction, the silk sprayed in this way falls downwards sometimes and is located at below drop, spray
Silk out cannot be collected into completely on the roller bearing of collector.
In addition, solution can be spilled over to needle tubing outer wall down when the amount of liquid needed for the liquid outlet quantity of ejiction opening is greater than spinneret
It is sliding, hang over one drop of formation on needle tubing outer wall, at this moment drop of this suspension also can wire vent, as shown in Figure 3.It will cause in this way
The deposition of fiber and spinning time mismatch, and the surface density of the fiber of spinning is non-constant, quality stability can not control, simultaneously
It will cause in this way and be silk in Laboratory Module everywhere, need to increase clean process.
Utility model content
First technical problem to be solved in the utility model is to provide a kind of syringe needle progress for the above-mentioned prior art
When lateral spinneret, drop is not easy the syringe needle of sagging electrostatic spinning.
Second technical problem to be solved in the utility model is provided on a kind of application has for the above-mentioned prior art
State the arrangement architecture of the syringe needle of the electrostatic spinning of syringe needle.
The utility model solves technical solution used by above-mentioned first technical problem are as follows: a kind of needle of electrostatic spinning
Head, includes the needle tubing in hydrojet channel, and needle tubing free end is equipped with the ejection for being connected to hydrojet channel and spraying for polymer solution
Mouthful, it is characterised in that: plane where the ejiction opening is of an inclined plane with respect to needle tubing length direction, also, ejiction opening is upward.
In order to make the solution sprayed from ejiction opening be not easy to be adhered to needle tubing free end outer wall, needle tubing free end outer wall is set
There is the coating of alienation polymer solution.In this way, being spilled over to the solution of needle tubing outer wall can slide from needle tubing outer wall, needle tubing will not be hung over
A drop and wire vent are formed on outer wall.
In order to make the solution sprayed from ejiction opening be not easy to be adhered to needle tubing free end outer wall, needle tubing free end outer wall is
Shiny surface.Similarly, in this way, being spilled over to the solution of needle tubing outer wall can slide from needle tubing outer wall, shape on needle tubing outer wall will not be hung over
The wire vent at a drop.
The utility model solves technical solution used by above-mentioned second technical problem are as follows: a kind of syringe needle of electrostatic spinning
Arrangement architecture, the syringe needle for the electrostatic spinning to any of the above-described arranges, it is characterised in that:
Including using the collector for collecting spinneret first syringe needle evenly distributed as the center of circle, the second syringe needle and third syringe needle,
One syringe needle is located at the upside or downside of collector, and the second syringe needle is located at the left or right side of collector, and third syringe needle is located at adjacent
The first syringe needle and the second syringe needle between, the relatively corresponding needle tubing length direction of plane where the ejiction opening of the first syringe needle is vertically set
It sets；The relatively corresponding needle tubing length direction of plane where the ejiction opening of second syringe needle and third syringe needle is of an inclined plane and towards correspondence
Needle tubing fixing end inclination.
First syringe needle, the second syringe needle and third syringe needle can have multiple, it is preferable that there are two the first syringe needle tools, institute
It states there are two the second syringe needle tools, the third syringe needle has 4.
Preferably, plane where the ejiction opening of the second syringe needle is 30 ° with the angle of corresponding needle tubing length direction.
Preferably, plane where the ejiction opening of third syringe needle is 45 ° with the angle of corresponding needle tubing length direction.
In order to during electrostatic spinning, reduce interfering with each other for the electric field between each syringe needle, the first syringe needle, the second syringe needle
The distance at the center with third syringe needle apart from the collector is greater than 5cm.
Compared with the prior art, the advantages of the utility model are: by plane where ejiction opening with respect to needle tubing length side
To being of an inclined plane, also, ejiction opening is upward, when syringe needle carries out lateral spinneret, liquid of the needle interior wall to ejiction opening where ejiction opening
Drop has a upward holding power, and such drop is not easy sagging, and the silk of ejection is not easy to fall downwards, and the silk of ejection is more straight
Without being located at below drop, can be collected into relatively completely on the roller bearing of collector；Multiple syringe needles are arranged, so that be collected into
Spinneret amount is larger also relatively uniform.
Detailed description of the invention
Liquid when Fig. 1 is the syringe needle vertical spinneret of existing flat mouth (i.e. ejiction opening where plane vertical with respect to needle tubing length direction)
The force analysis figure of drop；
The force analysis figure of drop when Fig. 2 is the syringe needle horizontal spinneret of existing flat mouth；
The schematic diagram of wire vent when Fig. 3 is the syringe needle horizontal spinneret of existing flat mouth；
Fig. 4 is the schematic diagram of the utility model embodiment；
Fig. 5 is the arrangement architecture schematic diagram of the Multi needle of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in figure 4, the syringe needle of the electrostatic spinning includes the needle tubing 1 in hydrojet channel, 1 free end 11 of needle tubing is equipped with and spray
The ejiction opening 2 liquid channel connection and sprayed for polymer solution, 2 place plane of ejiction opening are oblique in one with respect to 1 length direction of needle tubing
Face, also, ejiction opening 2 is upward.
1 free end of needle tubing, 11 outer wall is equipped with the coating of alienation polymer solution.Alternatively, 1 free end of needle tubing, 11 outer wall is light
Sliding surface.1 free end outer wall of needle tubing is made of nonmetallic materials, not will form point effect in this way.
Referring to Fig. 5, the present embodiment also provides a kind of arrangement architecture of the syringe needle of electrostatic spinning, for above-mentioned Static Spinning
The syringe needle of silk is arranged, including the collector 3 to collect spinneret be evenly distributed the first syringe needle a, the second syringe needle b in the center of circle and
Third syringe needle c, the first syringe needle a are located at the upside or downside of collector 3, and the second syringe needle b is located at the left or right side of collector 3,
For third syringe needle c between adjacent the first syringe needle a and the second syringe needle b, the 2 place plane of ejiction opening of the first syringe needle a is relatively right
1 length direction of needle tubing answered is vertically arranged；The relatively corresponding needle of 2 place plane of ejiction opening of second syringe needle b and third syringe needle c
1 length direction of pipe is of an inclined plane and tilts towards corresponding 1 fixing end 12 of needle tubing.Preferably, there are two the first syringe needle a tools, second
There are two syringe needle b tools, and third syringe needle c has 4.Wherein, the 2 place plane of ejiction opening of the second syringe needle b is long with corresponding needle tubing 1
The angle for spending direction is 30 °, and the 2 place plane of ejiction opening of third syringe needle c is 45 ° with the angle of corresponding 1 length direction of needle tubing,
The distance at each center of the syringe needle 1 apart from collector 3 is greater than 5cm.
The use principle of the present embodiment is as follows.
In use, polymer solution is sprayed from ejiction opening 2, because ejiction opening 2 is of an inclined plane, also, ejiction opening 2 is upward, from
And one upward holding power of drop is given, such drop is not easy sagging, and the silk of ejection is not easy to fall downwards, and the silk of ejection is relatively more flat
Directly without being located at below drop.In addition, 1 free end of needle tubing, 11 outer wall is coated with the coating or needle tubing 1 of alienation polymer solution
11 outer wall of free end is shiny surface, in this way, drop is made not hang over 1 free end of syringe needle, 11 outer wall, but automatically certainly from syringe needle 1
It is slid by 11 outer walls of end, would not also hang over and form a drop and wire vent on 1 outer wall of needle tubing.
Multiple syringe needle arrangements are in use, the spinneret amount being collected into is larger also relatively uniform.Using 2 place plane of ejiction opening with
1 length direction of needle tubing has the syringe needle of different angle, and the silk of ejection is collected on collector 3 according to the orientation of needle tubing 1.
Claims (8)
1. a kind of syringe needle of electrostatic spinning includes the needle tubing (1) in hydrojet channel, needle tubing (1) free end (11) is equipped with and hydrojet
The ejiction opening (2) channel connection and sprayed for polymer solution, it is characterised in that: plane is with respect to needle where the ejiction opening (2)
Pipe (1) length direction is of an inclined plane, also, ejiction opening (2) is upward.
2. the syringe needle of electrostatic spinning according to claim 1, it is characterised in that: needle tubing (1) free end (11) outer wall
Coating equipped with alienation polymer solution.
3. the syringe needle of electrostatic spinning according to claim 1, it is characterised in that: needle tubing (1) free end (11) outer wall
For shiny surface.
4. a kind of arrangement architecture of the syringe needle of electrostatic spinning, for electrostatic spinning as claimed in any one of claims 1 to 3
Syringe needle is arranged, it is characterised in that:
It is the first evenly distributed syringe needle (a) of the center of circle, the second syringe needle (b) and third needle including the collector (3) to collect spinneret
Head (c), the first syringe needle (a) are located at the upside or downside of collector (3), and the second syringe needle (b) is located at the left side or the right side of collector (3)
Side, third syringe needle (c) is between adjacent the first syringe needle (a) and the second syringe needle (b), ejiction opening (2) institute of the first syringe needle (a)
It is vertically arranged in relatively corresponding needle tubing (1) length direction of plane, ejiction opening (2) institute of the second syringe needle (b) and third syringe needle (c)
It is of an inclined plane in relatively corresponding needle tubing (1) length direction of plane and is tilted towards corresponding needle tubing (1) fixing end (12).
5. the arrangement architecture of the syringe needle of electrostatic spinning according to claim 4, it is characterised in that: first syringe needle (a)
There are two tools, and there are two the second syringe needle (b) tools, and the third syringe needle (c) has 4.
6. the arrangement architecture of the syringe needle of electrostatic spinning according to claim 4, it is characterised in that: the spray of the second syringe needle (b)
Plane where exporting (2) is 30 ° with the angle of corresponding needle tubing (1) length direction.
7. the arrangement architecture of the syringe needle of electrostatic spinning according to claim 4, it is characterised in that: the spray of third syringe needle (c)
Plane where exporting (2) is 45 ° with the angle of corresponding needle tubing (1) length direction.
8. the arrangement architecture of the syringe needle of electrostatic spinning according to claim 4, it is characterised in that: the first syringe needle (a), second
The distance at syringe needle (b) and center of the third syringe needle (c) apart from the collector (3) is greater than 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960951.3U CN209292521U (en) | 2018-11-27 | 2018-11-27 | A kind of syringe needle and its arrangement architecture of electrostatic spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960951.3U CN209292521U (en) | 2018-11-27 | 2018-11-27 | A kind of syringe needle and its arrangement architecture of electrostatic spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292521U true CN209292521U (en) | 2019-08-23 |
Family
ID=67646223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821960951.3U Active CN209292521U (en) | 2018-11-27 | 2018-11-27 | A kind of syringe needle and its arrangement architecture of electrostatic spinning |
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| Country | Link |
|---|---|
| CN (1) | CN209292521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887122A (en) * | 2022-06-08 | 2022-08-12 | 中山大学 | Adhesive gel composite material and preparation method and application thereof |
-
2018
- 2018-11-27 CN CN201821960951.3U patent/CN209292521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887122A (en) * | 2022-06-08 | 2022-08-12 | 中山大学 | Adhesive gel composite material and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Hangzhou Bay New Area Fuchuang Science and Technology Park Management Co.,Ltd. Assignor: NINGBO FOTILE KITCHEN WARE Co.,Ltd. Contract record no.: X2023980045777 Denomination of utility model: A Kind of Electrospinning Needle and Its Arrangement Structure Granted publication date: 20190823 License type: Common License Record date: 20231106 |