CN204455368U - Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable - Google Patents
Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable Download PDFInfo
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- CN204455368U CN204455368U CN201520045608.6U CN201520045608U CN204455368U CN 204455368 U CN204455368 U CN 204455368U CN 201520045608 U CN201520045608 U CN 201520045608U CN 204455368 U CN204455368 U CN 204455368U
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Abstract
The utility model discloses many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable, mainly comprise extruder, metal hose, flow distribution plate, spinning nozzle, penetration combination electrode plate, insulating support rod, compound ordinary telegram pole plate, HV generator one and HV generator two, extruder is connected with flow distribution plate by flange as feeding device, multiple spinning nozzle is distributed on flow distribution plate bottom surface, penetration combination electrode plate is fixed on flow distribution plate lower end by insulating support rod, and connect HV generator one, compound ordinary telegram pole plate is placed in penetration combination electrode plate lower end, and connect HV generator two, metal hose is connected with spinning nozzle upper end tracheae by pipe screw joint.The utility model adopts many field coupling stretching technique, penetration combination electrode plate is arranged on compound ordinary telegram pole plate, make fiber under air-flow and electric field double action, reduce fibre diameter further, avoid metal electrode hole rim electric field to fibers adsorption effect.
Description
Technical field
The utility model relates to the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform, belongs to electrostatic spinning field.
Background technology
Electrostatic spinning technique is as the simple and effective nanofiber technology of preparing of one, more and more receive the concern of Chinese scholars, electrospinning process has been acknowledged as prepares one of most simple effective method of nanofiber, existing 30 multiple polymers successfully obtain superfine fibre by the method at present, and minimum diameter reaches tens nanometers.Nanofiber prepared by electrostatic spinning technique has a extensive future, especially in air filtration, sewage disposal, desalinization, electronic device and bioengineered tissue etc.
The current research major part about electrostatic spinning technique is all the device based on a capillary shower nozzle, so in order to improve output, researcher have employed array Multi needle technology, but the syringe needle number increased adds the probability of syringe needle blocking equally, be difficult to cleaning, and this is also only applicable to solution electrostatic spinning, the device of this susceptible to plugging needle-based then should not be adopted for the melt that viscosity is larger, difficult problem is prepared in a large number in order to solve melt electrostatic spinning, a kind of differential melt-electrospinningjet jet head (application number 201310159570.0) of Chinese invention patent adopts conical surface shower nozzle, melt flows through the conical surface through uniform thinning, form melt film, under high-pressure electrostatic effect, plurality of fibers is formed in the most advanced and sophisticated self-organizing of the conical surface, greatly improve the output of fiber, a shower nozzle can produce 30-50 root fiber simultaneously, but because its tracheae blowing position is non-adjustable, air-flow is caused to change along with air velocity size the active position of fiber, thus fibre bundle is easily dispelled by air-flow, fiber falls uneven, and when carrying out many shower nozzles and being integrated, traditional metallic plate adds electrostatic technique can cause each shower nozzle place electrostatic skewness, and then cause each shower nozzle to spin fiber skewness, so in the urgent need to developing the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform.
Utility model content
The utility model proposes many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable, multiple shower nozzle is integrated on one piece of hot runner flow distribution plate, flow distribution plate runner makes each shower nozzle place flow consistent, according to the character of spinning material, can selective replacing inner conical surface or male cone (strobilus masculinus) shower nozzle, auxiliary tracheae is had in shower nozzle tracheae, by regulating the position adjustments airflow function position of auxiliary tracheae, make the material of different viscosities all can reach best air-flow auxiliaring effect under different air velocity effect, due to many sprinkler design, adopt traditional metal electrode board that each shower nozzle place Electric Field Distribution will be caused uneven, thus the uniformity of extreme influence fiber, for this shortcoming, the utility model proposes a kind of electric field homogenizing technology, metal electrode board and dielectric are organically combined, form combination electrode plate, make electric field homogenizing, fiber is evenly distributed, and adopt many field coupling stretching technique, perforate on combination electrode plate, the quantity in hole is equal with spinning nozzle quantity, form penetration combination electrode plate, make fiber under airflow function through circular hole, multistage stretching, the further refinement of fiber.
In order to realize above-mentioned functions, the technical solution adopted in the utility model is as follows: many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable, mainly comprise extruder, metal hose, flow distribution plate, spinning nozzle, penetration combination electrode plate, insulating support rod, compound ordinary telegram pole plate, HV generator one and HV generator second-class, extruder is connected with flow distribution plate by flange as feeding device, multiple spinning nozzle is distributed on flow distribution plate bottom surface, flow distribution plate ground connection, penetration combination electrode plate is fixed on flow distribution plate lower end by insulating support rod, and connect HV generator one, compound ordinary telegram pole plate is placed in penetration combination electrode plate lower end, and connect HV generator two, metal hose is connected with spinning nozzle upper end tracheae gas thread by pipe screw joint.
Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform of the utility model is stable, spinning nozzle is divided into inner conical surface shower nozzle and male cone (strobilus masculinus) shower nozzle, inner conical surface shower nozzle is that melt is directed into inside spinning nozzle conical surface tip by narrow annular channel, under gravity, melt is uniform formation film on inner conical surface, under electrostatic force stretching action, the most advanced and sophisticated melt film self-organizing of the conical surface is drawn into silk, male cone (strobilus masculinus) shower nozzle is that melt is directed into outside spinning nozzle conical surface tip by narrow annular channel, melt forms film on male cone (strobilus masculinus), under electrostatic force, most advanced and sophisticated film is drawn into silk, inner conical surface shower nozzle and male cone (strobilus masculinus) nozzle structure are mainly manifested in the difference of spinning nozzle lower end conical surface arrangement form, wrap up heating collar outside spinning nozzle and keep the best spinning temperature of melt, according to the difference of spinning material, spinning nozzle is conveniently replaced, auxiliary tracheae is had inside spinning nozzle tracheae, auxiliary tracheae and spinning nozzle tracheae adopt interference fits, by regulating, the upper-lower position of auxiliary tracheae is convenient regulates airflow function position, the airflow function position that different spinning material is corresponding different under different air velocities, make various spinning material can reach best air-flow subsidiary conditions under various air-flow assists speed.
Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform of the utility model is stable, adopt many field coupling stretching technique, first order electric field adopts penetration combination electrode plate, with the hole identical with spinning nozzle number, penetration combination electrode plate is made up of two parts, here is one deck perforated metal plate, laminated thereto one deck dielectric plate with holes, dielectric plate material can be paper, wood, lucite, glass, plastics, the materials such as marble, on metallic plate, the diameter in hole is larger than the diameter in hole on dielectric plate, HV generator one high-voltage connection terminal is connected on perforated metal flaggy, while electric field homogenizing can being made like this, weaken the electric field concentration phenomenon that metal plate hole surrounding edge causes, thus while guarantee electric field stretching action, avoid bore edges electric field to the suction-operated of fiber, enable fiber smoothly by first order electric field, and then stretched by second level electric field.
Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform of the utility model is stable, second level electric field adopts compound ordinary telegram pole plate, metallic plate superposes dielectric plate, dielectric plate material can be the materials such as paper, wood, lucite, glass, plastics, marble, HV generator two high-voltage connection terminal is connected on sheet-metal layers, while the electric-field intensity ensureing all spinning nozzle places, make electric field homogenizing, thus make the even wire vent of each spinning nozzle, improve the uniformity of fiber.
Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform of the utility model is stable, metal level and the dielectric layer of penetration combination electrode plate and compound ordinary telegram pole plate can be simply pile up together with, but to the weakening of electric field and interference effect, preferably by methods such as bonding, hot compound and co-extrusions, metal level and dielectric layer surface are closely linked in order to reduce air layer between materials at two layers.
From above technical scheme, the utility model compared with prior art tool has the following advantages:
1. multiple spinning nozzle is integrated on one piece of flow distribution plate, and can according to the difference of spinning material, change inner conical surface shower nozzle or male cone (strobilus masculinus) shower nozzle easily, auxiliary tracheae is had in the tracheae of spinning nozzle, auxiliary tracheae is adjustable up and down, airflow function position is regulated by regulating the position of auxiliary tracheae, thus make the spinning material of different viscosities under different air velocities, obtain best air-flow action effect, also make air-flow more assemble, farthest reduce air-flow to the interference of melt film on the spinning nozzle conical surface.
2. for multiple spinning nozzle, invented combination electrode plate, while ensureing electric-field intensity, made electric field homogenizing, thus ensured that the electric-field intensity at each shower nozzle place is consistent, each spinning nozzle wire vent radical is consistent, and fiber is evenly distributed.
3. on combination electrode plate base, adopt many field coupling stretching technique, penetration combination electrode plate is arranged on compound ordinary telegram pole plate, make fiber under air-flow and electric field double action, first through penetration combination electrode plate, again by compound flat electrodes plate stretching below, reach secondary drawing, further reduction fibre diameter, wherein the hole of the boring ratio dielectric layer of the sheet-metal layers of penetration combination electrode plate is bigger, weaken the electric field concentration phenomenon that metal plate hole surrounding edge causes, thus while guarantee electric field stretching action, avoid metal electrode hole rim electric field to the suction-operated of fiber, make fiber more smooth in penetration combination electrode plate, thus continued to stretch by second level electric field.
Accompanying drawing explanation
Fig. 1 is the structure chart of the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform of the utility model.
Fig. 2 is the inner conical surface shower nozzle sectional view that tracheae assisted by the band of the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform of the utility model.
Fig. 3 is the male cone (strobilus masculinus) shower nozzle sectional view that tracheae assisted by the band of the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform of the utility model.
Fig. 4 is the sectional view of the penetration combination electrode plate of the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform of the utility model.
Fig. 5 is the sectional view of the compound ordinary telegram pole plate of the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform of the utility model.
Fig. 6 is the view of pipe screw joint.
In figure: 1-extruder, 2-metal hose, 3-flow distribution plate, 4-spinning nozzle, 5-penetration combination electrode plate, 6-insulating support rod, 7-compound ordinary telegram pole plate, 8-HV generator one, 9-HV generator two, 10-inner conical surface shower nozzle, 11-male cone (strobilus masculinus) shower nozzle, 12-assists tracheae, 13-heating collar, 14-penetration combination electrode plate dielectric layer, 15-penetration combination electrode plate metal level, 16-compound ordinary telegram pole plate dielectric layer, 17-compound flat electrodes sheetmetal layer, 18-pipe screw joint.
Detailed description of the invention
The utility model proposes many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable, as shown in the figure, mainly comprise: extruder 1, metal hose 2, flow distribution plate 3, spinning nozzle 4, penetration combination electrode plate 5, insulating support rod 6, compound ordinary telegram pole plate 7, HV generator 1, HV generator 29, inner conical surface shower nozzle 10, male cone (strobilus masculinus) shower nozzle 11, auxiliary tracheae 12, heating collar 13, penetration combination electrode plate dielectric layer 14, penetration combination electrode plate metal level 15, compound ordinary telegram pole plate dielectric layer 16, compound flat electrodes sheetmetal layer 17 and pipe screw joint 18, extruder 1 is connected with flow distribution plate 3 by flange as feeding device, flow distribution plate 3 ground connection, multiple spinning nozzle 4 is integrated on one piece of hot runner flow distribution plate 3, the runner design of flow distribution plate 3 makes the melt flow of each spinning nozzle 4 be consistent, according to the character of spinning material, can selective replacing inner conical surface shower nozzle 10 or male cone (strobilus masculinus) shower nozzle 11, auxiliary tracheae 12 is had in the tracheae of shower nozzle center, by regulating the position adjustments airflow function position of auxiliary tracheae 12, make the material of different viscosities all can reach best air-flow auxiliaring effect under different air velocity effect, spinning nozzle 4 is divided into inner conical surface shower nozzle 10 and male cone (strobilus masculinus) shower nozzle 11, inner conical surface shower nozzle 10 is that melt is directed into inside spinning nozzle conical surface tip by narrow annular channel, under gravity, melt is uniform formation film on inner conical surface, under electrostatic force stretching action, the most advanced and sophisticated melt film self-organizing of the conical surface is drawn into silk, male cone (strobilus masculinus) shower nozzle 11 is that melt is directed into outside spinning nozzle conical surface tip by narrow annular channel, melt forms film on male cone (strobilus masculinus), under electrostatic force, most advanced and sophisticated film is drawn into silk, inner conical surface shower nozzle 10 and male cone (strobilus masculinus) shower nozzle 11 structure are mainly manifested in the difference of spinning nozzle lower end conical surface arrangement form, wrap up heating collar 13 outside spinning nozzle 4 and keep the best spinning temperature of melt, as shown in Figures 2 and 3, according to the difference of spinning material, spinning nozzle 4 is conveniently replaced, penetration combination electrode plate 5 is fixed on flow distribution plate 3 lower end by insulating support rod 6, and connect HV generator 1, compound ordinary telegram pole plate 7 is placed in penetration combination electrode plate 5 lower end, and connect HV generator 29, metal hose 2 is connected with spinning nozzle upper end tracheae gas thread by pipe screw joint 18, as shown in Figure 6.
Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform of the utility model is stable, adopt many field coupling stretching technique, first order electric field adopts penetration combination electrode plate 5, with the hole identical with spinning nozzle number, penetration combination electrode plate 5 is made up of two parts, here is penetration combination electrode plate metal level 15, laminated thereto penetration combination electrode plate dielectric layer 14, as shown in Figure 4, dielectric plate material can be paper, wood, lucite, glass, plastics, the materials such as marble, the diameter in penetration combination electrode plate metal level 15 hole is larger than the diameter in hole on penetration combination electrode plate dielectric layer 14, HV generator 1 high-voltage connection terminal is connected on penetration combination electrode plate metal level 15, while electric field homogenizing can being made like this, weaken the electric field concentration phenomenon that penetration combination electrode plate metal level 15 hole surrounding edge causes, thus while guarantee electric field stretching action, avoid bore edges electric field to the suction-operated of fiber, enable fiber smoothly by first order electric field, and then stretched by second level electric field, second level electric field adopts compound ordinary telegram pole plate 7, compound ordinary telegram pole plate 7 is made up of two parts, here is compound flat electrodes sheetmetal layer 17, laminated thereto compound ordinary telegram pole plate dielectric layer 16, as shown in Figure 5, dielectric plate material can be paper, wood, lucite, glass, plastics, the materials such as marble, HV generator 29 high-voltage connection terminal is connected on compound flat electrodes sheetmetal layer 17, while the electric-field intensity ensureing all spinning nozzle places, make electric field homogenizing, thus make the evenly wire vent of each spinning nozzle 4, improve the uniformity of fiber, metal level and the dielectric layer of penetration combination electrode plate 5 and compound ordinary telegram pole plate 7 can be simply pile up together with, but in order to reduce between materials at two layers air layer to the weakening of electric field and interference effect, preferably by bonding, the methods such as hot compound and co-extrusion make metal level and dielectric layer surface be closely linked.
Penetration combination electrode plate 5 is 40mm with the distance adjustment at spinning nozzle 4 tip, and the center line of the centerline hole of penetration combination electrode plate 5 and each spinning nozzle 4 is overlapped, compound ordinary telegram pole plate 7 is placed in 150mm place below penetration combination electrode plate 5, polypropylene (PP) particle is added in extruder 1 hopper, open extruder 1, extrusion temperature is regulated to be 180 DEG C, flow distribution plate 2 temperature is adjusted to 200 DEG C, the temperature of spinning nozzle 4 is adjusted to 240 DEG C, after on spinning nozzle 4, the conical surface is uniformly distributed melt, normal temperature high velocity air is passed in metal hose 2, air velocity is adjusted to 8m/s, then HV generator 1 is first opened, its voltage is regulated to be 40kV, under the effect of homogenizing electric field, four even wire vents of spinning nozzle, after wire vent is stable, open HV generator 29, its voltage is regulated to be 90kV, carry out secondary drawing, so far this device just can be stablized and receives the PP nanofiber of diameter at 500nm-800nm.
Claims (6)
1. many shower nozzles that electric fields uniform is stable melt differential electrostatic spinning apparatus, it is characterized in that: mainly comprise extruder, metal hose, flow distribution plate, spinning nozzle, penetration combination electrode plate, insulating support rod, compound ordinary telegram pole plate, HV generator one and HV generator second-class, extruder is connected with flow distribution plate by flange as feeding device, multiple spinning nozzle is distributed on flow distribution plate bottom surface, flow distribution plate ground connection, penetration combination electrode plate is fixed on flow distribution plate lower end by insulating support rod, and connect HV generator one, compound ordinary telegram pole plate is placed in penetration combination electrode plate lower end, and connect HV generator two, metal hose is connected with spinning nozzle upper end tracheae gas thread by pipe screw joint.
2. many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform according to claim 1 is stable, it is characterized in that: spinning nozzle is divided into inner conical surface shower nozzle and male cone (strobilus masculinus) shower nozzle, inner conical surface shower nozzle is that melt is directed into inside spinning nozzle conical surface tip by narrow annular channel, melt is uniform formation film on inner conical surface, the most advanced and sophisticated melt film self-organizing of the conical surface is drawn into silk, male cone (strobilus masculinus) shower nozzle is that melt is directed into outside spinning nozzle conical surface tip by narrow annular channel, melt forms film on male cone (strobilus masculinus), most advanced and sophisticated film is drawn into silk, auxiliary tracheae is had inside spinning nozzle tracheae, auxiliary tracheae and spinning nozzle tracheae adopt interference fits, by regulating, the upper-lower position of auxiliary tracheae is convenient regulates airflow function position.
3. many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform according to claim 1 is stable, it is characterized in that: penetration combination electrode plate is with the hole identical with spinning nozzle number, penetration combination electrode plate is made up of two parts, here is one deck perforated metal plate, laminated thereto one deck dielectric plate with holes, on metallic plate, the diameter in hole is larger than the diameter in hole on dielectric plate, and HV generator one high-voltage connection terminal is connected on perforated metal flaggy.
4. many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform according to claim 1 is stable, is characterized in that: compound ordinary telegram pole plate is that metallic plate superposes dielectric plate, and HV generator two high-voltage connection terminal is connected on sheet-metal layers.
5., according to claim 3 or the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform according to claim 4, it is characterized in that: dielectric plate material can be paper, wood, lucite, glass, plastics or marble.
6. according to claim 3 or the stable many shower nozzles melt differential electrostatic spinning apparatus of a kind of electric fields uniform according to claim 4, it is characterized in that: metal level and dielectric layer be pile up simply together with, or by methods such as bonding, hot compound and co-extrusions, metal level and dielectric layer surface are closely linked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045608.6U CN204455368U (en) | 2015-01-22 | 2015-01-22 | Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520045608.6U CN204455368U (en) | 2015-01-22 | 2015-01-22 | Many shower nozzles melt differential electrostatic spinning apparatus that a kind of electric fields uniform is stable |
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| CN204455368U true CN204455368U (en) | 2015-07-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630911A (en) * | 2015-01-22 | 2015-05-20 | 北京化工大学 | Multi-nozzle melt differential electrostatic spinning device with uniform and stable electric fields |
| 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 |
| CN110607566A (en) * | 2019-11-05 | 2019-12-24 | 青岛科技大学 | Second-order differential melt electrostatic spinning device |
| CN112481710A (en) * | 2020-11-19 | 2021-03-12 | 广州初曲科技有限公司 | Adjustable multi-nozzle single-yarn blending electrostatic spinning device for special-shaped fabric |
| CN114471182A (en) * | 2022-02-24 | 2022-05-13 | 江苏创仕德环保科技有限公司 | High-precision integrated hollow fiber membrane spinning device and production process thereof |
-
2015
- 2015-01-22 CN CN201520045608.6U patent/CN204455368U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630911A (en) * | 2015-01-22 | 2015-05-20 | 北京化工大学 | Multi-nozzle melt differential electrostatic spinning device with uniform and stable electric fields |
| 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 |
| CN110607566A (en) * | 2019-11-05 | 2019-12-24 | 青岛科技大学 | Second-order differential melt electrostatic spinning device |
| CN110607566B (en) * | 2019-11-05 | 2021-04-30 | 青岛科技大学 | Second-order differential melt electrostatic spinning device |
| CN112481710A (en) * | 2020-11-19 | 2021-03-12 | 广州初曲科技有限公司 | Adjustable multi-nozzle single-yarn blending electrostatic spinning device for special-shaped fabric |
| CN114471182A (en) * | 2022-02-24 | 2022-05-13 | 江苏创仕德环保科技有限公司 | High-precision integrated hollow fiber membrane spinning device and production process thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180122 |