CN109228329A - Experiment 3D stack electrospinning fibre jet shaper - Google Patents

Experiment 3D stack electrospinning fibre jet shaper Download PDF

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Publication number
CN109228329A
CN109228329A CN201811258232.1A CN201811258232A CN109228329A CN 109228329 A CN109228329 A CN 109228329A CN 201811258232 A CN201811258232 A CN 201811258232A CN 109228329 A CN109228329 A CN 109228329A
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China
Prior art keywords
electrospinning
pressure
turntable
support
electrospinning fibre
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CN201811258232.1A
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CN109228329B (en
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李绍民
杨亚宁
刘玉婷
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Dalian Minzu University
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Dalian Nationalities University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30Auxiliary operations or equipment
    • B29C64/307Handling of material to be used in additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30Auxiliary operations or equipment
    • B29C64/307Handling of material to be used in additive manufacturing
    • B29C64/321Feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

Experiment 3D stack electrospinning fibre jet shaper, belong to electrospinning field, in order to solve the electrospinning fibre of various material, the problem of automatically forming of the electrospinning fibre of various shapes, turntable is mainly sprayed by electrospinning, model turntable, collection table composition, electrospinning fibre is collected in collection table layering, electrospinning, which sprays turntable, has multiple rotatable electrospinning containers, model turntable has multiple planar support plates, the electrospinning fibre of collection table layer is with the electrospinning container with corresponding types electrospinning fibre solution turns to the top corresponding position injection of respective planes supporting plate and is formed, the respective planes supporting plate is the top corresponding position to form the electrospinning fibre of this certain layer demand shape and turn to collection table, it can be realized the electrospinning fibre of various material, the electrospinning fibre of various shapes automatically forms.

Description

Experiment 3D stack electrospinning fibre jet shaper
Technical field
The invention belongs to electrospinning fields, are related to the injection and collection device and method of a kind of electrospinning fibre.
Background technique
Electrospun Nanofibrous Materials: An possesses the field of being widely applied and development prospect, various countries because of its brilliant Wuli-Shili-Renli system approach All in the electrospinning fibre equipment for stepping up to improve existing electrospinning fibre technology or development of new.In electrospinning fibre production process, By allowing the Polymer Solution for having charge to spray, stretch, cleave, solidification of volatilizing in high-voltage electrostatic field, fiber is ultimately formed Shape speciality.With the progress of material synthesis technology and the continuous extension of electrospinning fibre application field, experiment and engineer application field It needs more efficiently to test, study multiple layers of different materials in the superimposed physicochemical characteristics of electrospinning fibre.Due to electrospun solution Proportion it is complicated, type is more, injecting time is long, environmental parameter is complicated, utilize manually realization multilayer electrospinning fibre 3D stacking Experiment generally require to overcome many difficulties, such as layering injection, injection template definition, injecting time setting, spray angle measurement and Jeting area control etc..And manually-operated randomness is big and experimental procedure is complicated, and experimental data often occurs largely Deviation.
Summary of the invention
Asking of being formed is sprayed in order to solve the automatic alternate of the electrospinning fibre of various material, the electrospinning fibre of various shapes Topic, the following technical solutions are proposed by the present invention: a kind of experiment 3D stack electrospinning fibre jet shaper is mainly sprayed by electrospinning Turntable, model turntable, collection table composition are penetrated, electrospinning fibre is collected in collection table layering, and electrospinning sprays turntable with multiple rotatable Electrospinning container, model turntable has multiple planar support plates, and the electrospinning fibre of collection table layer is with fine with corresponding types electrospinning The electrospinning container of dimension solution turns to the top corresponding position injection of respective planes supporting plate and is formed, and the respective planes supporting plate is It forms the electrospinning fibre of this certain layer demand shape and turns to the top corresponding position of collection table.
Further, electrospinning injection turntable includes rotary drive motor, support arm, electrospinning container, injection syringe needle, support Bar;Support rod is mounted on one end of fixed support base, its top of support rod has shaft, the rotary drive motor driving Shaft rotation, the shaft are rotatably connected on the top of support rod using support rod as center of rotation, multiple supporting walls connections In shaft with servo-actuated shaft rotation, the terminal of supporting walls connects electrospinning container, and electrospinning container has injection syringe needle thereon.
Further, electrospinning injection turntable further includes the support rod height adjustment ring for the height adjustment to support rod, The support rod height adjustment ring is mounted on support rod.
Further, model turntable includes driving motor, support arm, planar support plate, strut;Strut is mounted on fixed support One end of pedestal, and to spray opposite one end of turntable with electrospinning, its top of strut has shaft, and the driving motor drives The rotation of turn axis, the shaft are rotatably connected on the top of strut using strut as center of rotation, and multiple supporting walls are connected to Shaft connects planar support plate with servo-actuated shaft rotation, the terminal of supporting walls, and the planar support plate is provided with thereon to be used to form not Similar shape electrospinning limits the different shape opening of shape.
Further, collection table includes rotating collection pallet, pressure plare, downward motion platform, applanation adjuster, connects Connect device and pressure plare;The rotation rotating collection pallet is located at collection table close to the side of model turntable strut, the pressure Power plate is located at the side of the close electrospinning injection turntable of collection table, and rotating collection pallet present position is eject position, the position Top be stall position to form the planar support plate of respective shapes, be to form corresponding electrospun solution above the planar support plate The stall position of the electrospinning container of type;The downward motion platform is the transverse and longitudinal movement that three motors and aluminium alloy strut form System comprising transverse movement driving motor, transverse bar, longitudinal rod, support frame, longitudinal movement driving motor, transverse bar and vertical Connected between bar by support frame, between the transverse bar and longitudinal rod with support frame connection and form gusseted, transverse bar with The removable connection of collection table, transverse movement driving motor drive transverse bar along collection table transverse shifting, the longitudinal movement Driving motor drives longitudinal rod to vertically move, the longitudinal rod connection applanation adjuster, under applanation adjuster End face connects connector, and the lower end surface of connector connects pressure plare, drives downward motion to put down by the transverse bar transverse shifting Platform transverse shifting makes the pressure plare be moved into the top of the rotation rotating collection pallet, is driven by the longitudinal rod Applanation adjuster vertically moves and pressure plare is adjusted with rotating at a distance from rotating collection pallet, and by pressure plare pressure Overlay on the rotation rotating collection pallet.
Further, pressure plare centre hollow out is to install pressure film and heating film, the pressure film Including two layers, it is located at setting heating film between two layers of pressure film.
Further, pressure film is square, and side length is greater than the radius of circular rotating collection pallet.
Further, applanation adjuster is made of the support column and several pressure adjustable columns of two avris, is supported Column is used to support in avris, and pressure adjustable column may be reversed centered on horizontal axis.
Further, the collection table of the surrounding of the rotating collection pallet has adjustable air outlet, adjustable outlet air Mouth outlet air vertically upward.
Further, the fixed support base, fixed support base is laterally fixed rectangular column, and one end is fixed Support rod is installed, strut is fixedly mounted in the other end, and sliding groove is laterally outputed in the collection table bottom, and by sliding groove and receives Ji Tai installation, and support base transverse shifting can be fixed to adapt to adjust collection table position.
The utility model has the advantages that the present invention sprays turntable, model turntable in the form of rotating rotatable electrospinning, electricity is realized The automatic alternate injection of Fiber Materials, shape is spun, and to realize its cross vertically movable to push motion platform for collection table, so that can Compress electrospinning fibre layer by layer to wait when needed, formed 3D layered structure, and, the combination of above-mentioned means, realize unlike material, The layered structure of the electrospinning fibre automatic alternate of shape.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention for spraying and forming device;
Fig. 2 is 3D stack electrospinning fibre jeting effect figure;
Fig. 3 is applanation controller structure schematic diagram.
10. model turntable, 11. driving motors, 12 support arms, 13. planar support plates, 14. struts, 15. strut height adjustments Ring;
20. electrospinning sprays turntable, 21. driving motors, 22. support arms, 23. electrospinning containers, 24. injection syringe needles, 25. supports Bar, 26. support rod height adjustment rings;
30. collection table, 31. adjustable air outlets, 32. rotating collection pallets, 33. downward motion platforms, 331. laterally transport Dynamic driving motor, 332. support frames, 333. longitudinal movement driving motors, 334. support columns, 335. pressure adjustable columns, 336. is horizontal Axis, 337. connectors, 34. applanation adjusters, 35. control handles, 36. pressure plares, 37. pressure films, 38. heating are thin Film, 39. extraneous ports;
40. electrospinning fibre;
51. first layer electrospinning fibre, 52. second layer electrospinning fibres, 53. third layer electrospinning fibres, 54. the 4th layers of electrospinning fibre Dimension
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to introduce in detail.
Embodiment 1: as shown in Figure 1, a kind of experiment 3D stack electrospinning fibre jet shaper, is turned by electrospinning injection Platform, model turntable, collection table three parts composition, wherein electrospinning injection turntable includes injection turntable rotary drive motor 21, spray Penetrate turret supports arm 22, electrospinning container 23, injection syringe needle 24, injection turret supports bar 25, injection turret supports bar height adjustment Ring 26;Model turntable includes model turntable driving motor 11, model turret supports arm 12, planar support plate 13, model turntable strut 14, model turntable strut height adjustment ring 15;Collection table includes adjustable air outlet 31, rotating collection pallet 32, downward motion Platform 33, applanation adjuster 34, control handle 35, pressure plare 36, pressure film 37, heating film 38, extraneous port 39.For the ease of it is intuitive, clearly indicate apparatus structure, the model revolving table position in schematic diagram is deliberately improved upwards, but practical In use, model revolving table position is only higher by 2-5 centimetres of pallet.
It sprays turntable rotary drive motor 21 and is responsible for driving injection turntable rotation, when certain layer needs to spray certain electrospun solution When, injection turntable rotary drive motor can will corresponding solution rotating to right above jet model.It is negative to spray turret supports arm 22 Duty connection injection turntable rotary drive motor and electrospinning container play the role of supporting electrospinning container.Electrospinning container 23 is responsible for appearance Receive various electrospun solutions.Syringe needle 24 is sprayed, electrospun solution sprays under the action of pressure and electric field from injection syringe needle, the syringe needle Diameter can experimental demand and replace.It sprays turret supports bar 25 and is responsible for support injection turntable, one end of support rod is fixed In the epitaxial surface on the right side of collection table, support rod can prolong collection table transverse shifting, to adjust the coordinate of injection syringe needle.Injection turns Platform support rod height adjustment ring 26 is responsible for adjusting the height of injection turret supports bar, to match different injection experiment requirements.Turn Platform driving motor 11 is responsible for the rotation of driving model turret supports arm, so that corresponding model is in the surface of collection tray.Mould Type turret supports arm 12 is responsible for connection turntable driving motor and planar support plate, plays a supporting role to planar support plate.Planar support plate 13 is optional (intermediate hollow out is at circle, rectangle, semicircle, triangle etc.) there are many type, and before experiment, operator can basis The demand of experiment is selected supporting plate and is separately fixed on model turret supports arm 12.Model turret supports bar 14 is responsible for bolster model The bottom end of turntable, model turret supports bar is fixed in the epitaxial surface on the left of collection table, and support rod can prolong collection table and laterally move It is dynamic, to adjust the coordinate at planar support plate center, so that the center and rotating collection pallet of planar support plate center and injection syringe needle 3 points of center is at vertical line.Model turntable strut height adjustment ring 15 is responsible for adjusting the height of model turntable strut, with control The size of electrospinning fiber shape on rotating collection pallet 32.Adjustable air outlet 31, injection of the ambient temperature and humidity to electrospinning fibre It is had a major impact with forming, stable ambient temperature and humidity is maintained to be conducive to the raising of experimental precision, 4 adjustable air outlets are vertical Upward outlet air, wherein the size and Orientation of 4 air outlets is manually adjustable.Rotating collection pallet 32 can be used on pallet solid Determine the groove of aluminium foil, pallet is used to collect the electrospinning fibre fallen from planar support plate, and pallet can be according to demand by the motor of lower section At a slow speed forward or reverse, rotating collection pallet 32 can prolong x-axis and y-axis moves in collection table, with the position of adjusting tray for control.
Pressure plare 36 is responsible for one layer of electrospinning fibre material on compacting rotating collection pallet, and hollow out is mountable among pressure plare The pressure film of unlike material.Pressure film 37 plays elastic compaction for totally 2 layers, is selected according to different electrospinning materials different The pressure film of material, polypyromelliticimide film good heat conductivity, resistant to chemical etching, stretch-proof and insulation, common electrospinning Upper and lower level of this material as pressure film may be selected in material.Wherein the side length of square pressure film is greater than the straight of pallet Diameter completely covers pallet when ensuring that pressure film is fallen.Pressure film 37 can will be single/multiple on rotating collection pallet Electrospinning fibre material flattens.Heating film 38 is located among 2 stressor layer films, is arranged using controllable silicon rubber heating film wave It is distributed between two layers of pressure film 37, the temperature of silicon rubber heating film is adjusted by control handle 35.
Downward motion platform 33 is the transverse and longitudinal kinematic system that three motors and aluminium alloy strut form.Utilize pressure plare pair Pressure effect level pressure, the fixed temperature of pallet heat the electrospinning fibre on pallet.Downward motion platform 33 is by 2 transverse movement driving electricity Machine 331,332, longitudinal movement driving motors 333 of support frame, support column 334, pressure adjustable column 335, horizontal axis 336 and connection Device 337 forms, and wherein support column 334, pressure adjustable column 335, horizontal axis 336 and connector 337 are adjusted with the use of pressure is played The effect of device.When needing to carry out single layer electrospinning fibre level pressure, fixed temperature heating, 2 transverse movement driving motors 331 will first Motion platform 33 is pushed into the top of rotating collection pallet 32, and the rotation of longitudinal movement driving motor 333 pushes pressure regulator, even The pressure film 37 connect on the pressure plare 36 below pressure regulator heats electrospinning fibre.
Pressure regulator is made of 2 support column 334 and 5 pressure adjustable columns 335.Support column 334 plays support in 2 sides and makees With, pressure adjustable column 335 centered on horizontal axis 336 can 360 degree of overturnings, 6 grades are adjusted by quantity that support column works Pressure (because longitudinal movement driving motor 333 can push pressure regulator to designated position, if the pressure of work is adjusted The quantity of column 335 mostly can generate bigger downward pressure).Shown in its structure and working principle Fig. 3, wherein there was only 3 in Fig. 3 The work of pressure adjustable column 335 (provides fourth speed pressure).
Control handle 35, right 6 control buttons composition, one are responsible for control injection turntable rotary drive motor 21;Secondly It is responsible for control turntable driving motor 11;Thirdly being responsible for control 32 driving motor of rotating collection pallet;Four, five are responsible for control pushing The horizontal and vertical movement of motion platform 33;The temperature of its six responsible control heating film.It is outer that extraneous port 39 is responsible for connection The constant temperature and humidity gas source in portion is to provide the gas of constant temperature and humidity to 4 air outlets 31.
The experiment of the present embodiment 3D stack electrospinning fibre jet shaper, by succinct, practical mechanical structure, The multilayer electrospinning fibre that the more materials of automatic 3D stack and shape that can customize are realized with lower cost successively sprays, and Artificial interference is not needed, the efficiency of electrospinning fibre injection experiment and the stability of experiment are improved.Present apparatus occupied area is small, right Use environment requires few;The electrospinning injection of the abundant achievable various shapes of device accessory and fastly quick-detach, combination, packaging, are convenient for Transport;When device is run, being scattered without chapter for fiber impurity can be effectively controlled, ambient enviroment is not impacted.The device can be with Lower cost realizes the automatic 3D stack multilayer electrospinning fibre injection that electrospinning fibre can customize, and device also has behaviour Make the advantages that simple, stable.The units such as big-and-middle universities and colleges, institute are highly suitable for be promoted.
Embodiment 2: as shown in Figure 1, a kind of experiment 3D stack electrospinning fibre jet shaper, is turned by electrospinning injection Platform, model turntable, collection table three parts composition, wherein electrospinning injection turntable includes injection turntable rotary drive motor 21, spray Penetrate turret supports arm 22, electrospinning container 23, injection syringe needle 24, injection turret supports bar 25, injection turret supports bar height adjustment Ring 26;Model turntable includes model turntable driving motor 11, model turret supports arm 12, planar support plate 13, model turntable strut 14, model turntable strut height adjustment ring 15;Collection table includes adjustable air outlet 31, rotating collection pallet 32, downward motion Platform 33, applanation adjuster 34, control handle 35, pressure plare 36, pressure film 37, heating film 38, extraneous port 39。
3D stack electrospinning fibre jet shaper layer by layer can carry out certainly Electrospun Nanofibrous Materials: An according to experiment demand Definition injection.Device requires to carry out electrospun solution proportion according to the material of each layer electrospinning fibre using preceding experimenter, then divides It Zhuan Ru not be in electrospinning container 23.Turntable rotary drive motor 21, which is rotated by 90 °, makes to spray the alignment rotating collection pallet 32 of syringe needle 24 The height of turret supports bar height adjustment ring 26 is sprayed at center according to requirement of experiment, so that the lowermost end of injection syringe needle 24 and rotation The distance for turning 32 center of collection tray conforms exactly to requirement of experiment.Difference is selected according to the shape need of the electrospinning fibre of each layer Template, be sequentially arranged on model turret supports arm 12.Adjust model turntable strut height adjustment ring 15 height, make its away from 322-5 centimetres from rotating collection pallet.But in schematic diagram figure one, for the ease of it is intuitive, clearly indicate apparatus structure, illustrate Model revolving table position in figure is deliberately improved upwards.After model turret supports arm 12 is located at initial position, the driving of model turntable Motor 11, which rotates in the forward direction 90 degree, to be made in its first rotation to rotating collection pallet 32 of planar support plate 13, and in planar support plate 13 The heart and rotating collection pallet 32 and 3 points of center for spraying syringe needle 24 are overlapped and vertical.
Downward motion platform 33 is the transverse and longitudinal kinematic system that three motors and aluminium alloy strut form.Utilize pressure plare pair Pressure effect level pressure, the fixed temperature of pallet heat the electrospinning fibre on pallet.When needing to carry out level pressure, fixed temperature to single layer electrospinning fibre When heating, the top that motion platform 33 is pushed into rotating collection pallet 32 by 2 transverse movement driving motors 331 first, Zong Xiangyun The dynamic rotation of driving motor 333 pushes pressure regulator, the pressure film being connected on the pressure plare 36 below pressure regulator 37 heat electrospinning fibre.
Pressure regulator is made of 2 support column 334 and 5 pressure adjustable columns 335.Support column 334 plays support in 2 sides and makees With, pressure adjustable column 335 centered on horizontal axis 336 can 360 degree of overturnings, 6 grades are adjusted by quantity that support column works Pressure (because longitudinal movement driving motor 333 can push pressure regulator to designated position, if the pressure adjustable column of work 335 quantity mostly can generate bigger downward pressure).Shown in its structure and working principle Fig. 3, wherein there was only 3 pressures in Fig. 3 The work of power adjustable column 335 (provides fourth speed pressure).
Downward motion platform 33 is located at initial position (right side), selects suitable pressure according to the type of the first electrospun solution 37 material of power film (it is viscous to guarantee that pressure film does not occur with the electrospinning fibre filament after injection, ordinary circumstance selects equal benzene-type Kapton), pressure film 37 is mounted on pressure plare 36, pressure film 37 is heated to by silicon rubber heating film 38 Assigned temperature adjusts the quantity of pressure adjustable column 342 on applanation adjuster 34, so that pressure plare presses to rotating collection pallet Pressure be consistent with planning of experiments.
Adjust 4 air outlets 31 goes out gas bar width and direction, starts external constant temperature and humidity gas source, 4 adjustable outlet air Mouth 31 forms the gas field of constant temperature and humidity in the surrounding of rotating collection pallet 32.Effect of the first electrospun solution in electric field and pressure Under ejected from syringe needle, and shaped on rotating collection pallet 32 by the shape of the first template, the first electrospun solution Model turntable driving motor 11 rotates in the forward direction 45 degree after injection specified time.
2 transverse movement driving motors 331 driving platform on downward motion platform 33 moves right, longitudinal movement driving 333 driving pressure adjuster of motor drive pressure film 37 be completely covered rotating collection pallet 32 and be compacted (size of pressure by The control of applanation adjuster, film temperature are controlled by heating film 38, and pressing time is adjusted by control handle 35), then indulge Pressure regulator is withdrawn to movement driving motor driving, transverse movement driving motor 331 drives downward motion platform to return to initially Position.So far the injection forming and temperature control compacting of first layer electrospinning material are completed.Spray the rotation of turntable rotary drive motor 21 90 Second of electrospinning container 23 is directed at the center of rotating collection pallet 32 by degree, and model turntable driving motor 11 is rotated by 90 ° second Kind planar support plate 13 is placed in the top of rotating collection pallet 32 and starts the forming injection of second layer electrospinning fibre material.Similarly, The primary injection of each layer electrospinning fibre is completed by planning of experiments, is stacked, and final effect picture is as shown in Fig. 2, 51 be first layer Electrospinning fibre, 52 second layer electrospinning fibres, 53 third layer electrospinning fibres, 54 the 4th layers of electrospinning fibre.
Embodiment 3: it is a kind of experiment use 3D stack electrospinning fibre jet shaper, mainly by electrospinning injection turntable 20, Model turntable 10, collection table 30 form, and electrospinning fibre is collected in the layering of collection table 30, and electrospinning sprays turntable 20 with multiple rotatable Electrospinning container 23, model turntable 10 has multiple planar support plates 13, the electrospinning fibre of certain layer of collection table 30 is to have corresponding class The electrospinning container 23 of type electrospinning fibre solution turns to the top corresponding position injection of respective planes supporting plate 13 and is formed, the phase It answers planar support plate 13 be form the electrospinning fibre of this certain layer demand shape and turns to the top corresponding position of collection table 30.
It includes rotary drive motor 21, support arm 22, electrospinning container 23, injection syringe needle 24, support that electrospinning, which sprays turntable 20, Bar 25;Support rod 25 is mounted on one end of fixed support base, its top of support rod 25 has shaft, and the rotation drives electricity The rotation of machine drive shaft, the shaft are multiple with support rod 25 is center of rotation and is rotatably connected on the top of support rod 25 Supporting walls are connected to shaft with servo-actuated shaft rotation, and the terminal of supporting walls connects electrospinning container 23, and electrospinning container 23 has thereon Spray syringe needle 24.Electrospinning injection turntable 20 further includes the support rod height adjustment ring 26 for the height adjustment to support rod 25, The support rod height adjustment ring 26 is mounted on support rod 25.
Model turntable 10 includes driving motor 11, support arm 12, planar support plate 13, strut 14;Strut 14 is mounted on fixation One end of support base, and to spray opposite one end of turntable 20 with electrospinning, its top of strut 14 has shaft, the drive Dynamic motor-driven rotatable shaft rotation, the shaft are multiple with strut 14 is center of rotation and is rotatably connected on the top of strut 14 Supporting walls are connected to shaft with servo-actuated shaft rotation, and the terminal of supporting walls connects planar support plate 13, the planar support plate 13 its On be provided be used to form different shape electrospinning limit shape different shape opening.
Collection table 30 include rotating collection pallet 32, pressure plare 36, downward motion platform 33, applanation adjuster 337, Connector 337 and pressure plare 36;The rotation rotating collection pallet 32 is located at collection table 30 close to 10 strut 14 of model turntable Side, the pressure plare 36 be located at collection table 30 close electrospinning injection turntable 20 side, 32 institute of rotating collection pallet Place position is eject position, is the stall position to form the planar support plate 13 of respective shapes, the plane bracket above the position The top of plate 13 is the stall position to form the electrospinning container 23 of corresponding electrospun solution type;The downward motion platform 33 is three The transverse and longitudinal kinematic system that motor and aluminium alloy strut 14 form comprising transverse movement driving motor 331, transverse bar, longitudinal direction Bar, support frame 332, longitudinal movement driving motor 333, are connected between transverse bar and longitudinal rod by support frame 332, the transverse bar With support frame 332 is connect and forms gusseted between longitudinal rod, transverse bar and the removable connection of collection table 30, transverse movement are driven Dynamic motor 331 drives transverse bar along 30 transverse shifting of collection table, and the longitudinal movement driving motor 333 drives longitudinal rod vertical To movement, the longitudinal rod connects applanation adjuster 337, and the lower end surface of applanation adjuster 337 connects connector 337, the lower end surface of connector 337 connects pressure plare 36, drives downward motion platform 33 horizontal by the transverse bar transverse shifting To mobile so that the pressure plare 36 is moved into the top of the rotation rotating collection pallet 3232, by the longitudinal rod band Dynamic applanation adjuster 337 vertically moves and pressure plare 36 is adjusted at a distance from rotation rotating collection pallet 32, and Pressure plare 36 is covered in the rotation rotating collection pallet 32.The intermediate hollow out of pressure plare 36 is to install pressure film 37 And heating film 38, the pressure film 37 include two layers, are located at setting heating film 38 between two layers of pressure film 37.
Pressure film 37 is square, and side length is greater than the radius of circular rotating collection pallet 32.Applanation adjuster 337 are made of the support column 334 and several pressure adjustable columns 335 of two avris, and support column 334 is used to support in avris, pressure Power adjustable column 335 may be reversed centered on horizontal axis 336.The collection table of the surrounding of the rotating collection pallet 32 has adjustable Air outlet 31, the adjustable outlet air vertically upward of air outlet 31.
The fixed support base, fixed support base are laterally fixed rectangular columns, and support is fixedly mounted in one end Strut 14 is fixedly mounted in bar 25, the other end, and sliding groove is laterally outputed in 30 bottom of collection table, and by sliding groove and collects Platform 30 is installed, and can fix support base transverse shifting to adapt to adjust collection table position.
A kind of application of electrospinning fibre jet shaper in the multilayer electrospinning fibre of various material and shape is formed, institute The device stated is as above, and application method is as follows:
A kind of experiment 3D stack electrospinning fibre injection method, 3D stack electrospinning fibre jet shaper is according to reality It tests demand and customized injection is carried out to electrospinning fibre material and shape.Or in order to realize the unlike material of multilayer, the electricity of shape Spin fiber jet, or multilayer spray made for material of the same race and shape merely, a kind of 3D stack multilayer electrospinning fibre by Layer injection method, which is characterized in that 3D stack electrospinning fibre jet shaper successively sprays, and two of downward motion platform Transverse movement driving motor drives the transverse movement of downward motion platform, and longitudinal movement driving motor drives applanation adjuster band The pressure film of dynamic pressure plate is completely covered rotating collection pallet and is compacted, and then longitudinal movement driving motor driving pressure plate is received Applanation adjuster is returned, transverse movement driving motor drives downward motion platform to return to initial position, completes first layer electrospinning The injection of fiber shapes, and the rotation of injection turntable rotary drive motor will be in second of electrospinning container alignment rotating collection pallet Second of planar support plate is placed in the top of rotating collection pallet and starts second layer electricity by the heart, the rotation of model turntable driving motor The forming injection for spinning fiber, recycles above-mentioned course of injection, completes the molding injection of multilayer electrospinning fibre.
Described device according to the material of each layer electrospinning fibre before use, require to carry out electrospun solution proportion, by different ratio Electrospun solution be respectively charged into electrospinning container, turntable rotary drive motor rotation, make spray syringe needle alignment rotating collection pallet Center;Different templates is selected according to the shape need of the electrospinning fibre of each layer, is sequentially arranged at the support arm of model turntable, The height for adjusting model turntable strut height adjustment ring, makes model turntable apart from 2~5cm of rotating collection pallet;When model turntable Support arm is located at initial position, and model turntable driving motor rotates in the forward direction, and rotates first planar support plate to rotating collection support Disk, and the center of planar support plate and rotating collection pallet and spray 3 points of the center of syringe needle and be overlapped and vertical;Downward motion platform Horizontal, longitudinal movement adjustment limits the electrospinning for being located at rotating collection pallet so that pressure plare presses to rotating collection pallet Level pressure, fixed temperature heating;To single layer electrospinning fibre level pressure, fixed temperature heating, two transverse movement driving motors are first driven into cross bar, it will Downward motion platform laterally moves to the top of rotating collection pallet, and longitudinal movement driving motor drives vertical pole, makes applanation Adjuster pushes, by being connected to the pressure film level pressure of the pressure plare below pressure regulator, by heating film by electrospinning fibre Fixed temperature heating.
Pressure regulator is made of two support columns and several pressure adjustable columns, and support column plays a supportive role in two sides, Pressure adjustable column may be reversed centered on horizontal axis, and the pressure of multiple grades, work are adjusted by the quantity of support column work To make work column in a vertical position.Downward motion platform 33 is located at initial position, according to the type of the first electrospun solution Suitable pressure film material is selected, pressure film is mounted on pressure plare, pressure film is heated to by silicon rubber heating film Assigned temperature, the pressure adjustable column for adjusting applanation adjuster is located at the quantity of vertical direction, so that pressure plare presses to rotation The pressure for turning collection tray is consistent with plan.In electrospinning fibre course of injection, adjust four outlet air goes out gas bar width and direction, Starting external constant temperature and humidity gas source, four adjustable air outlets form the gas field of constant temperature and humidity in the surrounding of rotating collection pallet, The first electrospun solution is ejected from syringe needle under the action of electric field and pressure, and is being rotated by the shape of the first template It is shaped on collection tray, model turntable driving motor rotates in the forward direction after the first electrospun solution injection specified time.
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it It is interior.

Claims (10)

1. a kind of experiment 3D stack electrospinning fibre jet shaper, which is characterized in that mainly spray turntable by electrospinning (20), electrospinning fibre is collected in model turntable (10), collection table (30) composition, collection table (30) layering, and electrospinning sprays turntable (20) With multiple rotatable electrospinning containers (23), model turntable (10) has multiple planar support plates (13), collection table (30) certain layer Electrospinning fibre the upper of respective planes supporting plate (13) is turned to the electrospinning container (23) with corresponding types electrospinning fibre solution Square corresponding position is sprayed and is formed, and the respective planes supporting plate (13) rotates be form the electrospinning fibre of this certain layer demand shape To the top corresponding position of collection table (30).
2. experiment 3D stack electrospinning fibre jet shaper as described in claim 1, which is characterized in that electrospinning injection Turntable (20) includes rotary drive motor (21), support arm (22), electrospinning container (23), injection syringe needle (24), support rod (25); Support rod (25) is mounted on one end of fixed support base, and support rod (25) its top has shaft, and the rotation drives electricity The rotation of machine drive shaft, the shaft are rotatably connected for center of rotation on the top of support rod (25) with support rod (25), Multiple supporting walls are connected to shaft with servo-actuated shaft rotation, and the terminal of supporting walls connects electrospinning container (23), electrospinning container (23) There is injection syringe needle (24) thereon.
3. experiment 3D stack electrospinning fibre jet shaper as claimed in claim 2, which is characterized in that electrospinning injection Turntable (20) further includes the support rod height adjustment ring (26) for the height adjustment to support rod (25), the support rod height It adjusts ring (26) and is mounted on support rod (25).
4. experiment 3D stack electrospinning fibre jet shaper as described in claim 1, which is characterized in that model turntable It (10) include driving motor (11), support arm (12), planar support plate (13), strut (14);Strut (14) is mounted on fixed support One end of pedestal, and to spray the opposite one end of turntable (20) with electrospinning, strut (14) its top has shaft, the drive Dynamic motor-driven rotatable shaft rotation, the shaft are rotatably connected for center of rotation on the top of strut (14) with strut (14), Multiple supporting walls are connected to shaft with servo-actuated shaft rotation, and the terminal of supporting walls connects planar support plate (13), the plane bracket Plate (13) is provided with the different shape opening for being used to form different shape electrospinning limit shape thereon.
5. experiment 3D stack electrospinning fibre jet shaper as described in claim 1, which is characterized in that collection table It (30) include rotating collection pallet (32), pressure plare (36), downward motion platform (33), applanation adjuster (337), connection Device (337) and pressure plare (36);The rotation rotating collection pallet (32) is located at collection table (30) close to model turntable (10) The side of strut (14), the pressure plare (36) are located at the side of close electrospinning injection turntable (20) of collection table (30), rotation Turning collection tray (32) present position is eject position, is the planar support plate (13) to form respective shapes above the position Stall position is the stall position to form the electrospinning container (23) of corresponding electrospun solution type above the planar support plate (13); The downward motion platform (33) is the transverse and longitudinal kinematic system that three motors and aluminium alloy strut (14) form comprising laterally fortune Dynamic driving motor (331), transverse bar, longitudinal rod, support frame (332), longitudinal movement driving motor (333), transverse bar and longitudinal direction It is connected between bar by support frame (332), gusseted is formed with support frame (332) connection between the transverse bar and longitudinal rod, Transverse bar and collection table (30) removable connection, transverse movement driving motor (331) drive transverse bar along collection table (30) cross To movement, longitudinal movement driving motor (333) the driving longitudinal rod longitudinal movement, the longitudinal rod connects applanation The lower end surface of adjuster (337), applanation adjuster (337) connects connector (337), and the lower end surface of connector (337) connects Pressure plare (36) are connect, drive downward motion platform (33) transverse shifting to make the pressure plare by the transverse bar transverse shifting (36) it is moved into the top of rotation rotating collection pallet (32) (32), drives applanation to adjust by the longitudinal rod Device (337) vertically moves and pressure plare (36) is adjusted with rotating at a distance from rotating collection pallet (32), and by pressure plare (36) it covers in the rotation rotating collection pallet (32).
6. experiment 3D stack electrospinning fibre jet shaper as claimed in claim 5, which is characterized in that the pressure For the intermediate hollow out of power plate (36) to install pressure film (37) and heating film (38), the pressure film (37) includes two layers, Setting heating film (38) between two layers of pressure film (37).
7. experiment 3D stack electrospinning fibre jet shaper as claimed in claim 6, which is characterized in that pressure film (37) it is square, side length is greater than the radius of circular rotating collection pallet (32).
8. experiment 3D stack electrospinning fibre jet shaper as claimed in claim 5, which is characterized in that applanation Adjuster (337) is made of the support column (334) and several pressure adjustable columns (335) of two avris, and support column (334) is on side Side is used to support, and pressure adjustable column (335) may be reversed centered on horizontal axis (336).
9. experiment 3D stack electrospinning fibre jet shaper as claimed in claim 5, which is characterized in that the rotation The collection table for turning the surrounding of collection tray (32) has adjustable air outlet (31), and adjustable air outlet (31) goes out vertically upward Wind.
10. experiment 3D stack electrospinning fibre jet shaper as claimed in claim 5, which is characterized in that described solid Determine support base, fixed support base is laterally fixed rectangular column, and support rod (25) are fixedly mounted in one end, the other end Strut (14) are fixedly mounted in portion, and sliding groove is laterally outputed in collection table (30) bottom, and is pacified by sliding groove and collection table (30) Dress, and support base transverse shifting can be fixed to adapt to adjust collection table position.
CN201811258232.1A 2018-10-26 2018-10-26 3D stack-type electrospinning fiber jet forming device for experiment Active CN109228329B (en)

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CN109750361A (en) * 2019-03-22 2019-05-14 大连民族大学 The electrospinning fibre controllable electric magnetic field injection experiment device of more solution ratios
WO2023004835A1 (en) * 2021-07-27 2023-02-02 苏州大学 Free surface electrospinning apparatus

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CN204278552U (en) * 2014-12-08 2015-04-22 深圳市极光尔沃科技有限公司 A kind of 3D printer rotary table
CN105063773A (en) * 2015-07-29 2015-11-18 大连民族学院 Injection moulding control apparatus of electrospun fiber

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Publication number Priority date Publication date Assignee Title
US20140265061A1 (en) * 2013-03-13 2014-09-18 Merit Medical Systems, Inc. Methods, systems, and apparatuses for manufacturing rotational spun appliances
CN103407292A (en) * 2013-07-23 2013-11-27 广东工业大学 Compound micro-nano three-dimensional printing system
CN204278552U (en) * 2014-12-08 2015-04-22 深圳市极光尔沃科技有限公司 A kind of 3D printer rotary table
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Publication number Priority date Publication date Assignee Title
CN109750361A (en) * 2019-03-22 2019-05-14 大连民族大学 The electrospinning fibre controllable electric magnetic field injection experiment device of more solution ratios
WO2023004835A1 (en) * 2021-07-27 2023-02-02 苏州大学 Free surface electrospinning apparatus

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