CN202000035U - Split type composite electrostatic spinning device - Google Patents
Split type composite electrostatic spinning device Download PDFInfo
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- CN202000035U CN202000035U CN2011200177997U CN201120017799U CN202000035U CN 202000035 U CN202000035 U CN 202000035U CN 2011200177997 U CN2011200177997 U CN 2011200177997U CN 201120017799 U CN201120017799 U CN 201120017799U CN 202000035 U CN202000035 U CN 202000035U
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- core body
- syringe needle
- shell
- split type
- spray silk
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Abstract
The utility model provides an electrostatic spinning device for preparing micrometer/nanometer composite fibers, and particularly relates to a split type composite electrostatic spinning device which can be suitable for different composite electrostatic spinning. The split type composite electrostatic spinning device consists of a sealing cover, a core, a casing, outer spinning nozzles, inner spinning nozzles and a fixed sealing pad, wherein the casing is cylindrical, one of the outer spinning nozzles is mounted at one end of the casing, the other end of the casing is connected with the sealing cover, the core is mounted in the casing, the fixed sealing pad is embedded at one end provided with the outer spinning nozzle between the core and the casing, at least one inner spinning nozzle mounting hole is arranged on the core, and the inner spinning nozzles are mounted in the inner spinning nozzle mounting holes. The split type composite electrostatic spinning device solves the problem that in the prior art, an existing spinning device cannot be suitable for spinning of various composite electrostatic fibers in different kinds and different specifications and the existing spinning device is complicated in replacement, and the defect of difficulty in maintenance in the prior art is overcome.
Description
Technical field
The utility model relates to a kind of electrostatic spinning apparatus for preparing micron/nano composite fiber, particularly relates to a kind of split type composite electrostatic spinning device, specifically a kind of device that adapts to various composite electrostatic spinnings.
Background technology
Common electrostatic spinning is that polymer solution is injected in the capillary, and adds high pressure in polymer, makes between the receiving screen of itself and ground connection and forms high voltage electric field.When the size of electric field force equaled the surface tension of liquid or melt, charged drop was in balance at capillary end.Along with the increase of electric field force, drop is elongated to thread, because the instability that acts between electric charge, in dropping process, strand is the conical motion state, and is collected on the fiber receiving system with the form of nonwoven fabric.
But common electrospinning process generally is merely able to prepare the fiber with single kind material, has the composite fibre that a kind of material is enclosed with other materials and be difficult to prepare, and also is difficult to prepare the micro/nano-fibre pipe with hollow structure.In the last few years, a kind of new electrospinning process---composite electrostatic spinning was because of it can prepare multicomponent or doughnut is subjected to paying close attention to widely.Different materials is wrapped in a kind of material or has the composite fibre of skin-core structure, because of it has various ingredients, great application prospect is arranged at aspects such as multifunctional fibre, drug, micro-/ nano lead, fire-retardant, antibiotic, antistatic, antiultraviolet, anti-electromagnetic shieldings.And, utilize the aperture in the micro/nano-fibre pipe that composite spinning prepares littler, in function aspects such as filtering sterilization, chemical catalysis, material (hydrogen) storage its irreplaceable effect is arranged; Utilizing the composite electrostatic spinning technology to prepare CNT also comes into one's own day by day.Recent years, relevant patent coaxial or the composite electrostatic spinning device was delivered in succession, and for example ZL200320122276.4 has related to the coaxial electrostatic spinning silk device, has mentioned multi-fluid composite electrostatic spinning device among the 200710062722.X.But in the device that these patents relate to, generally speaking, the number of spray silk syringe needle just immobilizes in one covering device, if distance and distribution thereof in will changing between spray silk syringe needle number or the interior spray silk syringe needle, must change whole device, processing is difficulty relatively, and processing cost is higher, device can't split to cleaning and make troubles, and safeguards relatively difficulty.
Summary of the invention
The purpose of this utility model provides a kind of electrostatic spinning apparatus for preparing micron/nano composite fiber, particularly relates to a kind of split type composite electrostatic spinning device, specifically a kind of device that adapts to various composite electrostatic spinnings.The utility model has solved Combined Electrostatic that prior art can't adapt to specification how wide in variety and has spun and install and change loaded down with trivial details problem, has remedied prior art deficiency difficult in maintenance.Electrostatic spinning apparatus of the present utility model is the device of core body-shell split-type design, can effectively satisfy on the one hand in regulating arbitrarily spray silk syringe needle stretch out outer spinning head apart from the time make in constant between the spray syringe needle apart from maintenance, this device is processed easily on the other hand, and the fractionation of device, cleaning, replacing and maintenance are very easy.
A kind of split type composite electrostatic spinning device of the present utility model, form by seal cover, core body, shell, outer spinning head, interior spray silk syringe needle and fixing seal pad, shell is tubular, one end of shell is installed an outer spinning head, the other end of shell connects a seal cover, and core body is installed in the shell, and core body and shell are installed between the outer spinning head end and be lined with the fixing seal pad, spray silk syringe needle installing hole at least one is arranged on the core body, and interior spray silk syringe needle is installed in the interior spray silk syringe needle installing hole of core body.
As optimized technical scheme:
Wherein, aforesaid a kind of split type composite electrostatic spinning device, the central axis of described core body and the central axis of shell are on same straight line; The central axis of described core body and the central axis of outer spinning head are on same straight line; The central axis that also is described core body, shell and outer spinning head is all on same straight line.Core body, shell, seal cover material can be other metals such as plastics, inorganic non-metallic or stainless steel, and interior spray silk syringe needle and outer spinning head are stainless steel or other conductive material.Shell external diameter 12-30mm, height 15-40mm, shell thickness of pipe 4-8mm.The aperture of interior spray silk syringe needle is 0.3-1.6mm, and the spinning head aperture is 1.0-3.0mm.
Aforesaid a kind of split type composite electrostatic spinning device, described shell is cylindrical, and core body is cylindrical.Core outside diameter is less than internal diameter of outer cover, and the height of core body exceeds the degree of depth 0.1-10mm of shell approximately.
Aforesaid a kind of split type composite electrostatic spinning device, described core body and shell have the anti-rotation limiting structure.Prevent when fixing core body that the changing of the relative positions takes place for core body, fixing seal pad, shell three and in changing the distribution of spray silk syringe needle or damage in a spray syringe needle and fixing seal pad.
Aforesaid a kind of split type composite electrostatic spinning device, described anti-rotation limiting structure is that core outer surface has the protrusion piece, and the shell correspondence position has the bayonet socket of depression, and the protrusion piece of assembling back core body is stuck in the bayonet socket of shell.The protrusion piece can be combined closely with bayonet socket and the changing of the relative positions can not be taken place.
Aforesaid a kind of split type composite electrostatic spinning device, having at least one interior spray silk syringe needle installing hole to be meant on the described core body has the interior spray silk of a spray silk syringe needle installing hole syringe needle installing hole in 1～4 on the core body, and internal diameter is suitable with interior spray silk syringe needle external diameter.The single hole core body, coaxial fiber can be prepared in the middle of core body in the hole, also can depart from positive center, form the core shift fiber, or even the spinning head outer wall is tangent with outer spinning head inwall in making, spray silk liquid is not coated on the fiber of similar parallel construction in the outer spray silk liquid fully in forming.The position of hole in core body can change according to actual needs.
Aforesaid a kind of split type composite electrostatic spinning device, described in spray silk syringe needle installing hole quantity during greater than two, it is distributed as regular polygon and arranges.Certainly, the distribution of interior spray silk syringe needle is the equilateral triangle or the square of rule not necessarily, and according to the needs of the fiber that will prepare, various irregular layouts all are possible.
Aforesaid a kind of split type composite electrostatic spinning device, when spray silk syringe needle installing hole quantity is greater than one in described, after being installed in core body, spray silk syringe needle outer wall can form undercut construction with outer spinning head inwall in some or all of, and spray silk liquid is not coated on the fiber of similar parallel construction in the outer spray silk liquid fully in the preparation.
Aforesaid a kind of split type composite electrostatic spinning device, when spray silk syringe needle installing hole quantity is greater than one in described, part or all of interior spray silk syringe needle can keep a segment distance with outer spinning head inwall, prepares the covered fiber that a kind of fibre bag is covered with one or more components.
Aforesaid a kind of split type composite electrostatic spinning device, described fixing seal pad are circular, have on the sealing gasket with core body in the hole of the corresponding distribution of spray silk syringe needle installing hole, hole size is suitable with an interior spray syringe needle external diameter.The external diameter of fixing seal pad less than internal diameter of outer cover 1mm about, material is plastics, as tetrafluoroethylene etc., thickness is at 0.5-1.5mm.
Aforesaid a kind of split type composite electrostatic spinning device, the other end of described shell connects a seal cover, between adopt threaded connection mode.
The utility model comprises parts such as seal cover, core body, shell, outer spray silk syringe needle, interior spray silk syringe needle, fixing seal pad.Wherein, the axle center of the central shaft of core body and outer spinning head is on same straight line.Number, interior external diameter and the distribution thereof etc. of a spray syringe needle in interior spray silk syringe needle is controlled by core body; Be arranged in parallel between interior spray silk syringe needle, after selecting certain core body and outer spinning head for use, in distance between distance, interior spray silk syringe needle and outer spinning head between spray silk syringe needle also just fixing, interiorly spray that distance that a syringe needle stretches out outer spinning head can be regulated respectively and unaffected mutually; There are two projections the outer surface upper end of core body, and this projection can exactly embed in the groove of housing parts.This design can guarantee when screwing hermetic covers, can not cause between core body and fixing seal pad the mutual changing of the relative positions and internally the distribution of syringe needle impact; The interior external diameter of outer spinning head can change as the case may be.In the process that filament spinning component is installed, earlier interior spray silk syringe needle is passed from core body, and process and supporting fixing seal pad, will be positioned in the shell with upper-part then, screw on seal cover, should not make seal cover overwind this moment.After installing outer spinning head, spray silk syringe needle stretches out after the distance of outer spinning head again that screwing hermetic covers in regulating.
Select one or more interior liquid for use and choose suitable outer liquid, interior liquid of the same race can be advanced by a syringe pump, and different interior liquid then can select for use different syringe pumps to advance.The lower end of the outer spinning head of composite electrostatic spinning spinning head is connected on the high pressure generating apparatus, a spray silk syringe needle stretches out the distance of outer spinning head and the fltting speed of inside and outside liquid in regulating, and makes the interior spinning solution in the compound taylor cone not be in contact with one another when the spray silk is put or be mixed into suitable reaching.Regulation voltage makes drop overcome surface tension under the high voltage electric field effect and forms jet, forms fiber after solidifying, and is received on the gathering-device of spinning head below ground connection.The composite electrostatic spinning fiber that obtains, dissolving or high-temperature process can obtain the micro-/ nano pipe after removing internal fiber, also can obtain having the compound micro/nano-fibre of tubulose.The device that a kind of split type composite electrostatic spinning device of the present utility model is core body-shell split-type design, can effectively satisfy on the one hand in regulating arbitrarily spray silk syringe needle stretch out outer spinning head apart from the time make in constant between the spray syringe needle apart from maintenance, this device is processed easily on the other hand, and the fractionation of device, cleaning, replacing and maintenance are very easy.
1, whole device has been divided into shell and core body two large divisions, the fractionation of device, cleaning, assembling all are easy to operation.
2, as long as change the number that core body just can change interior spray silk syringe needle, change very convenient.
3, leave the hole of certain intervals on the core body, the external diameter of hole and interior spray silk syringe needle is suitable, and the constant distance in can be good at guaranteeing between the spray silk syringe needle is constant, and the distance between outer spinning head and the interior spray silk syringe needle can keep invariable.Core body has also played the effect of constant distance between the fixing interior spray silk syringe needle, so between hole on the core body and the interior spray silk syringe needle too big space can not be arranged, otherwise when doing other adjustings, interior spray silk syringe needle can take place loosening and cause the distance between the interior spray silk syringe needle to change.
4, change interior distance and distribution thereof of spraying between the silk syringe needle by the type that changes core body, its distribution can be that the geometry of rule also can be irregularly shaped.Can prepare similar bilateral fibre or cladded type fiber.
5, the aperture of interior spray silk syringe needle can be the same or different, and this changes according to specific requirement.
6, can be by changing the aperture that outer spinning head changes outer spinning head, can change suitable outer spinning head according to feature selecting such as the viscosity of different outer spray silk liquid, surface tension like this.Composite electrostatic spinning has much relations with the viscosity of spinning solution, surface tension, conductance etc., if the spinning fluid viscosity of selecting is very big, will select outer spinning head aperture bigger relatively so certainly, otherwise spinning solution does not flow out or motive force is very big.If viscosity is very little or surface tension is very little, then to select a little bit smaller outer spinning head in aperture.
A kind of split type composite electrostatic spinning device of the present utility model can be prepared the composite fibre of single core or multicore structure easily.And this spinning head dismounting is easy, cleans easily, can be used on the batch process device of micro-nano complex fiber.
Beneficial effect:
The utility model has the advantages that: parameters such as the number of spray silk syringe needle, size, distribution in 1, this composite electrostatic spinning spinning head apparatus can change by the core body that changes spinning syringe needle inside, variety renovation is convenient, is suitable for the preparation of plurality of specifications electrospun fibers; 2, this electrostatic spinning apparatus have easy to process, be easy to installation and removal.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a shell section schematic diagram of the present utility model
Fig. 3 is a core body generalized section of the present utility model
Fig. 4 is the schematic top plan view of single hole core body
Fig. 5 is the schematic top plan view of diplopore core body
Fig. 6 is the schematic top plan view of three hole core bodys
Fig. 7 is an outer spray silk syringe needle generalized section of the present utility model
Wherein 1 is that seal cover 2 is that outer spinning head 3 is that interior spray silk syringe needle 4 is that core body 5 is shells
The 6th, the fixing seal pad
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of split type composite electrostatic spinning device of the present utility model, as shown in Figure 1, form by seal cover 1, core body 4, shell 5, outer spinning head 2, interior spray silk syringe needle 3 and fixing seal pad 6, shell 5 is tubular, one end of shell 5 is installed an outer spinning head, the other end of shell 5 connects a seal cover 1, core body 4 is installed in the shell 5, be lined with fixing seal pad 6 between the outer spinning head end of the installation of core body 4 and shell 5, spray silk syringe needle installing hole at least one is arranged on the core body 4, and interior spray silk syringe needle 3 is installed in the interior spray silk syringe needle installing hole of core body 4.
Wherein, aforesaid a kind of split type composite electrostatic spinning device, the central axis of described core body and the central axis of outer spinning head are on same straight line.
Aforesaid a kind of split type composite electrostatic spinning device, described shell 5 cylindrical (as shown in Figure 2), core body 4 cylindrical (as shown in Figure 3).
Aforesaid a kind of split type composite electrostatic spinning device, described core body 4 has the anti-rotation limiting structure with shell 5.
Aforesaid a kind of split type composite electrostatic spinning device, described anti-rotation limiting structure are that core body 4 outer surfaces have the protrusion piece, and shell 5 correspondence positions have the bayonet socket of depression, and the protrusion piece of assembling back core body 4 is stuck in the bayonet socket of shell 5.
Aforesaid a kind of split type composite electrostatic spinning device has at least one interior spray silk syringe needle installing hole to be meant a spray silk syringe needle installing hole in 1～4 is arranged on the core body 4 on the described core body 4.Single hole core body, hole be the middle of core body (as shown in Figure 4) again, also can depart from positive center (core shift structure), or even sprays the inwall formation undercut construction of outer wall with the outer spinning head 2 of silk syringe needle 3 in making.
Aforesaid a kind of split type composite electrostatic spinning device, described in spray silk syringe needle installing hole quantity during greater than two, it is distributed as regular polygon and arranges.The distribution of interior spray silk syringe needle 3 is the equilateral triangle or the square of rule not necessarily.Fig. 6 is the schematic top plan view of three hole core bodys, the interior spray silk syringe needle installing hole that has three equilateral triangles to distribute on the core body 4, spray silk syringe needle 3 in being used to install.
Aforesaid a kind of split type composite electrostatic spinning device, when spray silk syringe needle installing hole quantity is greater than one in described, after interior spinning head 3 is installed in core body, the outer wall of spray silk syringe needle 3 can form undercut construction with the inwall of outer spinning head 2 in some or all of, and spray silk liquid is not coated on the fiber of similar parallel construction in the outer spray silk liquid fully in being used for preparing.
Aforesaid a kind of split type composite electrostatic spinning device, described in spray silk syringe needle installing hole quantity during greater than one, interior spray silk syringe needle 3 and outer spinning head 2 maintenances one segment distance prepare the covered fiber that a kind of fibre bag is covered with one or more components.
Aforesaid a kind of split type composite electrostatic spinning device, the other end of described shell 5 connect the connection of a seal cover 1 and adopt threaded connection mode.
Fig. 5 is the schematic top plan view of diplopore core body.
Fig. 7 is an outer spray silk syringe needle generalized section of the present utility model.The lateral layout of spinning head has the woven hose that is used for importing outer spray silk liquid outside.The upper section of outer spinning head 2 has with the supporting external screw thread of shell 5.The outer spinning head aperture that relates in this patent all refers to the aperture of outer spinning head 2 below parts.
Claims (9)
1. split type composite electrostatic spinning device, it is characterized in that: form by seal cover, core body, shell, outer spinning head, interior spray silk syringe needle and fixing seal pad, shell is tubular, one end of shell is installed an outer spinning head, the other end of shell connects a seal cover, and core body is installed in the shell, and core body and shell are installed between the outer spinning head end and be lined with the fixing seal pad, spray silk syringe needle installing hole at least one is arranged on the core body, and interior spray silk syringe needle is installed in the interior spray silk syringe needle installing hole of core body.
2. a kind of split type composite electrostatic spinning device as claimed in claim 1 is characterized in that the central axis of described core body and the central axis of shell are on same straight line; The central axis of described core body and the central axis of outer spinning head are on same straight line.
3. a kind of split type composite electrostatic spinning device as claimed in claim 1 is characterized in that described shell is cylindrical, and core body is cylindrical.
4. as claim 1 or 3 described a kind of split type composite electrostatic spinning devices, it is characterized in that described core body and shell have the anti-rotation limiting structure.
5. a kind of split type composite electrostatic spinning device as claimed in claim 4 is characterized in that described anti-rotation limiting structure is that core outer surface has the protrusion piece, and the shell correspondence position has the bayonet socket of depression, and the protrusion piece of assembling back core body is stuck in the bayonet socket of shell.
6. a kind of split type composite electrostatic spinning device as claimed in claim 1 is characterized in that, has at least one interior spray silk syringe needle installing hole to be meant on the described core body spray silk syringe needle installing hole in 1～4 is arranged on the core body.
7. as claim 1 or 6 described a kind of split type composite electrostatic spinning devices, it is characterized in that, described in spray silk syringe needle installing hole quantity during greater than two, it is distributed as regular polygon and arranges.
8. as claim 1 or 6 described a kind of split type composite electrostatic spinning devices, it is characterized in that, described in spray silk syringe needle installing hole quantity during greater than one, some or all of in spray silk syringe needle outer wall tangent with outer spinning head inwall.
9. a kind of split type composite electrostatic spinning device as claimed in claim 1 is characterized in that, the other end of described shell adopts threaded connection mode to connect a seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200177997U CN202000035U (en) | 2011-01-20 | 2011-01-20 | Split type composite electrostatic spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200177997U CN202000035U (en) | 2011-01-20 | 2011-01-20 | Split type composite electrostatic spinning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000035U true CN202000035U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200177997U Expired - Lifetime CN202000035U (en) | 2011-01-20 | 2011-01-20 | Split type composite electrostatic spinning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202000035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051693A (en) * | 2011-01-20 | 2011-05-11 | 东华大学 | Split type composite electrostatic spinning device |
| CN111058099A (en) * | 2018-10-16 | 2020-04-24 | 杭州帝凡过滤技术有限公司 | Needle head device for coaxial electrostatic spinning |
-
2011
- 2011-01-20 CN CN2011200177997U patent/CN202000035U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051693A (en) * | 2011-01-20 | 2011-05-11 | 东华大学 | Split type composite electrostatic spinning device |
| CN102051693B (en) * | 2011-01-20 | 2012-09-19 | 东华大学 | Split type composite electrostatic spinning device |
| CN111058099A (en) * | 2018-10-16 | 2020-04-24 | 杭州帝凡过滤技术有限公司 | Needle head device for coaxial electrostatic spinning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20120919 |