CN203360646U - Fusion electrostatic spinning nozzle device - Google Patents
Fusion electrostatic spinning nozzle device Download PDFInfo
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- CN203360646U CN203360646U CN 201320451959 CN201320451959U CN203360646U CN 203360646 U CN203360646 U CN 203360646U CN 201320451959 CN201320451959 CN 201320451959 CN 201320451959 U CN201320451959 U CN 201320451959U CN 203360646 U CN203360646 U CN 203360646U
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Abstract
The utility model relates to a fusion electrostatic spinning nozzle device, and relates to an electrostatic spinning device. The fusion electrostatic spinning nozzle device comprises a supporting member, a melt flow passage heater, a spinning nozzle heater, an airflow distribution cavity, an airflow distribution cavity heater, a gap limiting ring block and a melt spinning pump, and temperature sensors of a melt flow passage, a spinning nozzle, an air outlet and a distribution cavity; the supporting member is provided with the melt flow passage; the lower end of the melt flow passage is provided with the spinning nozzle; the melt flow passage heater is arranged on the outer periphery of the melt flow passage; the spinning nozzle heater is arranged on the outer periphery of the spinning nozzle; the temperature sensor of the melt flow passage is arranged on the side of the melt flow passage; the temperature sensor of the spinning nozzle is arranged on the side of the spinning nozzle; the airflow distribution cavity is arranged on the supporting member; the airflow distribution cavity heater is arranged on the outer periphery of the airflow distribution cavity; the temperature sensor of the distribution cavity is arranged on the side of the airflow distribution cavity; the gap limiting ring block is arranged at the lower end of the supporting member; the gap limiting ring block is provided with an airflow flow passage; the melt spinning pump is arranged at the inlet end of the melt flow passage; the inlet of the melt spinning pump is externally connected with a liquid supply device.
Description
Technical field
The utility model relates to electrostatic spinning apparatus, especially relates to a kind of melting electrostatic spinning ejecting device with high temperature sheath layer gas focusing function.
Background technology
Electrostatic spinning is the more general method of nanofiber of producing in the world at present, and the good characteristics such as, processing ease simple with its equipment become the focus of current nanofiber manufacture research.The principle of electrostatic spinning is, viscoelastic solution or melt are applied to high-pressure electrostatic, utilizes electrostatic force stretching solution or melt to make it produce distortion; When electric field force is enough large, drop or melt can overcome capillary constraint and form the jet injection; The spinning jet is subject to the stretching of electrostatic field force and constantly refinement from shower nozzle ejects, and through solvent evaporation or melt cooling, solidifies, and the formation superfine fibre is deposited on collector.With the solution electrostatic spinning, compare, the melting electrostatic spinning does not need solvent, the problems such as environmental pollution, the cost that has overcome the solution electrostatic spinning and occur because use solvent is high, fiber surface is coarse and yield poorly, show huge application potential in the electrostatic spinning field.
Melting electrostatic device for spinning of the prior art, although CN201588015U improves conventional apparatus as Chinese patent, can effectively solve the problems such as temperature field and fluidity of molten, but fibre diameter is still thicker, its reason is, jet ejects and be subject to the traction of electrostatic force the refinement that is stretched to the process of receiving system leap from taylor cone cone point, and because the viscosity of melt is larger, only the stretching by electrostatic field force is difficult for forming superfine fibre.
Summary of the invention
The purpose of this utility model is to provide a kind of further refinement of melt jet that promotes, makes the little and uniform melting electrostatic spinning ejecting device of melting electrostatic spinning fibre diameter.
The utility model comprises supporting member, melt flow channel heater, spinning nozzle heater, melt flow channel temperature sensor, spinning nozzle temperature sensor, air outlet temperature sensor, distribution of air flow cavity, gas flow distribution cavity body heater, distribution cavity temperature sensor, gap stop collar piece and melt spinning pump;
Supporting member is provided with melt flow channel, the lower end of melt flow channel is provided with spinning nozzle, the melt flow channel heater is located at the melt flow channel neighboring, the spinning nozzle heater is located at the spinning nozzle neighboring, the melt flow channel temperature sensor is located at the melt flow channel side, the spinning nozzle temperature sensor is located at the spinning nozzle side, the distribution of air flow cavity is located on supporting member, the gas flow distribution cavity body heater is located at the external periphery of gas flow distribution cavity, the distribution cavity temperature sensor is located at distribution of air flow cavity side side, the distribution of air flow cavity is provided with air flow inlet and air stream outlet, gap stop collar piece is located at the supporting member lower end, gap stop collar piece is provided with airflow path, airflow path top is communicated with the air stream outlet of distribution of air flow cavity, the airflow path end is air outlet, the melt spinning pump is located at the melt flow channel arrival end, the external liquid feed device of melt spinning pump inlet.
Described supporting member and gap stop collar piece preferably are cylindrical, and described melt flow channel is located on the supporting member center line, and described air outlet is located on the stop collar piece center line of gap, described melt flow channel and described air outlet coaxial inner conductor.Described gap stop collar piece and supporting member preferably are bolted.
Described distribution of air flow cavity is preferably annular housing.
Described air outlet diameter can be 1～4mm; Described spinning nozzle diameter can be 0.5～2mm.
Compared with the prior art, advantage of the present utility model is as follows:
Owing to being provided with the distribution of air flow cavity, the distribution of air flow cavity is provided with air flow inlet and air stream outlet, airflow path top is communicated with the air stream outlet of distribution of air flow cavity, the airflow path end is air outlet, the gas flow distribution cavity body heater is located at the external periphery of gas flow distribution cavity, therefore can introduce the sheath layer air-flow of high temperature in melting electrostatic spinning process, the melt that is subject to the effect of high-pressure electrostatic power is subject to the winding-up of thermal current on every side at spinning nozzle, thermal current sprays stretching to the melt jet, further refinement fiber under the actings in conjunction such as interference, jet finally drops on gathering-device and forms nonwoven material.The utility model, simultaneously by the effect of the gentle stream drawing-off of high-tension electricity field force, has promoted the further Uniform Tension refinement of jet, has overcome the existing large and inhomogeneous shortcoming of common melting electrostatic spinning fibre diameter.
The accompanying drawing explanation
The structure that Fig. 1 is the utility model embodiment forms schematic diagram.
The specific embodiment
Referring to Fig. 1, the utility model embodiment comprises supporting member 12, melt flow channel heater 10, spinning nozzle heater 13, melt flow channel temperature sensor 11, spinning nozzle temperature sensor 14, air outlet temperature sensor 2, distribution of air flow cavity 3, gas flow distribution cavity body heater 6, distribution cavity temperature sensor 5, gap stop collar piece 1 and melt spinning pump 9.
Supporting member 12 is provided with melt flow channel 7, the lower end of melt flow channel 7 is provided with spinning nozzle 16, melt flow channel heater 10 is located at melt flow channel 7 neighborings, spinning nozzle heater 13 is located at spinning nozzle 16 neighborings, melt flow channel temperature sensor 11 is located at melt flow channel 7 sides, spinning nozzle temperature sensor 14 is located at spinning nozzle 16 sides, distribution of air flow cavity 3 is located on supporting member 12, gas flow distribution cavity body heater 6 is located at distribution of air flow cavity 3 neighborings, distribution cavity temperature sensor 5 is located at distribution of air flow cavity 3 sides, distribution of air flow cavity 3 is provided with air flow inlet 41 and air stream outlet 42, gap stop collar piece 1 is located at supporting member 12 lower ends, gap stop collar piece 1 is provided with airflow path 15, airflow path 15 tops are communicated with the air stream outlet 42 of distribution of air flow cavity 3, airflow path 15 ends are air outlet 17, melt spinning pump 9 is located at melt flow channel 7 arrival ends, the feed tube 8 of the external liquid feed device of melt spinning pump 9 import.
Described supporting member 12 and gap stop collar piece 1 are cylindrical, and described melt flow channel 7 is located on supporting member 12 center lines, and described air outlet 17 is located on stop collar piece 1 center line of gap, described melt flow channel 7 and described air outlet 17 coaxial inner conductors.Described gap stop collar piece 1 is bolted with supporting member 12.
Described distribution of air flow cavity 3 is annular housing.The diameter of described spinning nozzle 16 is 1mm.Described air outlet 17 diameters are 2mm.
When the present embodiment is used, described melt spinning pump 9, for being transported to equably spinning nozzle 16 to the melt accurate measurement and by it.Air-flow enters from air flow inlet 41, and through gas flow distribution cavity 3, air stream outlet 42, airflow path 15, finally, from air outlet 17 ejections, spinning nozzle 16 is ground connection in the electrostatic spinning process.Air outlet temperature sensor 2, distribution cavity temperature sensor 5, melt flow channel temperature sensor 11, spinning nozzle temperature sensor 14, carry out thermometric to relevant position, and feed back in time control centre.Control centre controls each heater power, thereby controls temperature everywhere.
The present embodiment is introduced high temperature sheath layer air-flow in melting electrostatic spinning process, reaches and promotes the further refinement of melt jet, makes melting electrostatic spinning fibre diameter little and even.
Claims (5)
1. a melting electrostatic spinning ejecting device, it is characterized in that, comprise supporting member, melt flow channel heater, spinning nozzle heater, melt flow channel temperature sensor, spinning nozzle temperature sensor, air outlet temperature sensor, distribution of air flow cavity, gas flow distribution cavity body heater, distribution cavity temperature sensor, gap stop collar piece and melt spinning pump;
Supporting member is provided with melt flow channel, the lower end of melt flow channel is provided with spinning nozzle, the melt flow channel heater is located at the melt flow channel neighboring, the spinning nozzle heater is located at the spinning nozzle neighboring, the melt flow channel temperature sensor is located at the melt flow channel side, the spinning nozzle temperature sensor is located at the spinning nozzle side, the distribution of air flow cavity is located on supporting member, the gas flow distribution cavity body heater is located at the external periphery of gas flow distribution cavity, the distribution cavity temperature sensor is located at distribution of air flow cavity side side, the distribution of air flow cavity is provided with air flow inlet and air stream outlet, gap stop collar piece is located at the supporting member lower end, gap stop collar piece is provided with airflow path, airflow path top is communicated with the air stream outlet of distribution of air flow cavity, the airflow path end is air outlet, the melt spinning pump is located at the melt flow channel arrival end, the external liquid feed device of melt spinning pump inlet.
2. a kind of melting electrostatic spinning ejecting device as claimed in claim 1, it is characterized in that, described supporting member and gap stop collar piece are cylindrical, described melt flow channel is located on the supporting member center line, described air outlet is located on the stop collar piece center line of gap, described melt flow channel and described air outlet coaxial inner conductor.
3. a kind of melting electrostatic spinning ejecting device as claimed in claim 1, is characterized in that, described gap stop collar piece and supporting member are bolted.
4. a kind of melting electrostatic spinning ejecting device as claimed in claim 1, is characterized in that, described distribution of air flow cavity is annular housing.
5. a kind of melting electrostatic spinning ejecting device as claimed in claim 1, is characterized in that, described air outlet diameter is 1～4mm; Described spinning nozzle diameter is 0.5～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320451959 CN203360646U (en) | 2013-07-26 | 2013-07-26 | Fusion electrostatic spinning nozzle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320451959 CN203360646U (en) | 2013-07-26 | 2013-07-26 | Fusion electrostatic spinning nozzle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360646U true CN203360646U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320451959 Expired - Fee Related CN203360646U (en) | 2013-07-26 | 2013-07-26 | Fusion electrostatic spinning nozzle device |
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| CN (1) | CN203360646U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604450A (en) * | 2017-10-10 | 2018-01-19 | 桐乡市易知简能信息技术有限公司 | A kind of melting electrostatic device for spinning |
| CN109234818A (en) * | 2018-11-28 | 2019-01-18 | 青岛科技大学 | A kind of ring air-flow auxiliary electrostatic device for spinning and method |
| CN109371479A (en) * | 2018-12-21 | 2019-02-22 | 青岛科技大学 | A kind of solution melt cospinning multi-nozzle electrospinning integrating device |
| CN109537071A (en) * | 2018-12-06 | 2019-03-29 | 南通纺织丝绸产业技术研究院 | A method of preparing the nanofiber of multilayered structure |
| CN110079878A (en) * | 2019-06-18 | 2019-08-02 | 广东工业大学 | A kind of electrostatic spinning nozzle and electrostatic spinning apparatus |
| CN110641154A (en) * | 2019-09-29 | 2020-01-03 | 广东思谷智能技术有限公司 | Solidification degree adjustable multiple air current auxiliary electrofluid nozzle |
| CN115110210A (en) * | 2021-06-11 | 2022-09-27 | 广东三水合肥工业大学研究院 | Spinning unit |
-
2013
- 2013-07-26 CN CN 201320451959 patent/CN203360646U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604450A (en) * | 2017-10-10 | 2018-01-19 | 桐乡市易知简能信息技术有限公司 | A kind of melting electrostatic device for spinning |
| CN109234818A (en) * | 2018-11-28 | 2019-01-18 | 青岛科技大学 | A kind of ring air-flow auxiliary electrostatic device for spinning and method |
| CN109537071A (en) * | 2018-12-06 | 2019-03-29 | 南通纺织丝绸产业技术研究院 | A method of preparing the nanofiber of multilayered structure |
| CN109371479A (en) * | 2018-12-21 | 2019-02-22 | 青岛科技大学 | A kind of solution melt cospinning multi-nozzle electrospinning integrating device |
| CN109371479B (en) * | 2018-12-21 | 2023-07-25 | 青岛科技大学 | Solution melt co-spinning multi-nozzle electrostatic spinning integrated device |
| CN110079878A (en) * | 2019-06-18 | 2019-08-02 | 广东工业大学 | A kind of electrostatic spinning nozzle and electrostatic spinning apparatus |
| CN110079878B (en) * | 2019-06-18 | 2020-06-09 | 广东工业大学 | Electrostatic spinning nozzle and electrostatic spinning device |
| CN110641154A (en) * | 2019-09-29 | 2020-01-03 | 广东思谷智能技术有限公司 | Solidification degree adjustable multiple air current auxiliary electrofluid nozzle |
| CN110641154B (en) * | 2019-09-29 | 2023-10-27 | 武汉国创科光电装备有限公司 | Multi-airflow auxiliary electrofluidic spray head with adjustable solidification degree |
| CN115110210A (en) * | 2021-06-11 | 2022-09-27 | 广东三水合肥工业大学研究院 | Spinning unit |
| CN115821485A (en) * | 2021-06-11 | 2023-03-21 | 广东三水合肥工业大学研究院 | Preparation method of nanofiber membrane |
| CN115110210B (en) * | 2021-06-11 | 2024-02-27 | 广东三水合肥工业大学研究院 | Spinning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20190726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |