CN108568966A - A kind of integrated nozzle spraying more material 3D printings for electric field driven - Google Patents
A kind of integrated nozzle spraying more material 3D printings for electric field driven Download PDFInfo
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- CN108568966A CN108568966A CN201810726176.3A CN201810726176A CN108568966A CN 108568966 A CN108568966 A CN 108568966A CN 201810726176 A CN201810726176 A CN 201810726176A CN 108568966 A CN108568966 A CN 108568966A
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- nozzle
- injection tube
- mixing machine
- extraction electrode
- connect
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive 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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention discloses a kind of integrated nozzles spraying more material 3D printings for electric field driven, by by the separation of batch mixing function and feeding function, making the more fully and uniform of more material mixing, ensureing that material carries out jet printing under the premise of being mixed thoroughly；It is integrated with annular extraction electrode to realize nozzle, i.e., printing head has a style of one's own, and using cone jet model, can print high-resolution Points And lines, technical solution is：Including printing head, it is connect with feeding module at the top of printing head, feeding module is connect with batch mixing module；Batch mixing module includes mixing machine, and mixing machine bottom setting supply lines are connected to feeding module；Feeding module includes injection tube, screw rod is arranged in injection tube, screw tip is connect with stepper motor；Printing head includes conductive nozzle, and conductive nozzle is fixed on injection tube bottom, conductive nozzle periphery setting annular extraction electrode, and conductive nozzle is connected with high-voltage pulse power source anode, annular extraction electrode ground connection.
Description
Technical field
The present invention relates to increasing material manufacturings and more material 3D printing technique fields, are sprayed for electric field driven more particularly to one kind
Penetrate the integrated nozzle of more material 3D printings.
Background technology
With advancing by leaps and bounds for science and technology, the lightweight production of large-sized structural parts, the high-precision manufacture of flexible electronic product
Equal fields all propose increasingly tighter and more and more requirements to the performance of material, and composite material is existed due to its excellent performance
It is widely used in industry-by-industry, it is compound that 3D printing is also used to research manufacture as a kind of emerging increasing material manufacturing method
Material, therefore existing 3D printer should have following ability：Realize that more materials actively mix, the property such as reinforcing material physics, machinery
Energy；Functionally gradient material is prepared, and can accurate between various functions material is beaten, uninterrupted switching；Realize it is high-precision, efficient,
It is high resolution printed etc..
Existing more material EFI print 3D printing methods include more nozzle schemes and helical screw agitator scheme, however are based on this
There are many insufficient and limitations for two schemes.For example, being existed based on more nozzle schemes：(1) more nozzle structures are complicated, equipment at
This height；(2) need frequent switching, printing effect low between nozzle；(3) more materials are cannot achieve actively to mix；(4) matched by nozzle
The limitation of quantity is set, disposably printable material category limited amount.In addition, more material forming nozzles generally use multiple nozzles
It being mounted in parallel in sustained height, each nozzle can handle a kind of material, and general is working there are one nozzle in print procedure,
Other nozzles that sustained height is in armed state may be in the presence of the interference to structure texture forming face.Based on helical screw agitator side
Case exists：(5) stir chamber and print head integrated design cause more material undercompoundings, print structure part functional poor；
(6) material mixed cannot be replenished in time in print procedure, and printing effect is low.Therefore, existing more material EFI print 3D printing
Technology is difficult to realize more material Multi-scale models stabilizations, effective integrated manufacture.
Electrohydrodynamic jet printing (Electro hydrodynamic Jet Printing, E-jet) is that one kind is based on
Electrohydrodynamics (EHD) fine liquid drop spray deposition formation technology is used with traditional Printing techniques (thermal jet print, piezoelectricity spray printing etc.)
" pushing away " mode is different, and EHD spray printings use electric field driven to generate superfine jet stream from liquid cone (taylor cone) top in a manner of " drawing ".It beats
Print resolution ratio is not limited by nozzle diameter, can realize sub-micron, nanoscale resolution under the premise of nozzle is not easy to plug
The manufacture of complex three-dimensional micro-nano structure.And the material ranges that can be used for EFI print are very extensive.Therefore, with existing 3D printing
Technology is compared, and electric Printing techniques have material compatibility good (suitable material is extensive, especially many heavy viscous materials), resolution ratio
High feature, however many insufficient and limitations are equally existed based on EFI impression method：(1) it prints height-limited；(2) can not
Realize conformal printing；(3) it is limited to receive substrate material；(4) pneumatic feed, cannot achieve accurately controlling for liquid outlet quantity.
Therefore, structure-integrated in more materials, macro/micro-/nano multi-scale in order to overcome existing more material EFI to print 3D printing
The existing insufficient and defect of manufacture view realizes that " structure of function-driven, material, performance design and manufacture integration are seamless
It is integrated ", the design elements such as material, micro-structure, macrostructure are combined with functional requirement target, realize complex organization's structure control
Shape, control property manufacture (performance of product being improved and optimizated especially by more materials, micro-structure arrangement, increase new function), meet
Research and development and the scales such as new material exploitation, biologic medical, electronic product, organizational project, MEMS, wearable electronic, 4D printings
The actual demand of metaplasia production, there is an urgent need to develop new more materials, multiple dimensioned 3D printing technique and equipments.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, more material 3D are sprayed for electric field driven the present invention provides one kind to beat
The integrated nozzle of print, by by the separation of batch mixing function and feeding function, making the more fully and uniform of more material mixing, ensureing
Material carries out jet printing under the premise of being mixed thoroughly；It is integrated with annular extraction electrode to realize nozzle, that is, prints
Nozzle has a style of one's own, and using cone jet model, can print high-resolution Points And lines；Realize more materials, multiple dimensioned knot
Structure it is high-precision, efficient, stable, be integrated, improve 3D printing control shape, control property ability.
The present invention concrete methods of realizing be：(1) by batch mixing module, feeding module and printing head module are integrated.
Specifically, batch mixing module and feeding module are detached, the two is connected by supply lines, and printing head module is directly installed on
The lowermost end (lower part) of feeding module.Wherein, batch mixing module, which is realized, mixes the efficient uniform of a variety of printed materials.Batch mixing module
Multiple feed inlets are set, and for providing one or more kinds of different printed materials to batch mixing module, mixing mechanism drives in motor
Uniformly mixed material is transported to feeding module by lower rotation to realize the uniform mixing to a variety of printed materials.Feeding mold
Block realizes stable conveying and the metered injection of printed material.On the one hand it is at the uniform velocity rotated, is provided steady using step motor control screw rod
Fixed back pressure realizes that being evenly supplied for printed material, the rotary speed of another aspect screw rod determine to be transported to the material at nozzle
Volume, therefore by control screw rod rotating speed may be implemented to accurately control liquid outlet quantity.Effect of the feeding module in screw rod
It is lower that material is delivered to printing head；Printing head module realizes the jet deposition to printed material under the action of electric field.(2)
Printing head module has a style of one's own and is connected with high-voltage pulse power source by connecting wire.Printing head module is by conductive nozzle
With annular extraction electrode composition, relative position is accurate adjustable between the two and keeps coaxial.Wherein annular extraction electrode connection is high
Voltage source cathode, conductive nozzle connect high-voltage power cathode, utilize the forceful electric power field force between conductive nozzle and annular extraction electrode
Realize the jet deposition of material.(3) setting two kinds of printing models of grand yardstick and minute yardstick utilize screw rod under macro printing model
Rotary extrusion printed material, under micro- printing model, the cone jet stream formed using electric field force is printed, and realization is macro, micro-, receives
Across/multiple dimensioned be integrated.
Further, the present invention uses following technical proposals：
A kind of integrated nozzle spraying more material 3D printings for electric field driven, including printing head, printing head top
It is connect with feeding module, the feeding module is connect with batch mixing module；
The batch mixing module includes mixing machine, and mixing machine bottom setting supply lines are connected to feeding module；
The feeding module includes injection tube, screw rod is arranged in injection tube, screw tip is connect with stepper motor；
The printing head includes conductive nozzle, and conductive nozzle is fixed on injection tube bottom, and ring is arranged in conductive nozzle periphery
Shape extracts electrode, and conductive nozzle is connected with high-voltage pulse power source anode, annular extraction electrode ground connection.
Further, injection tube side setting opening, opening setting feed quick coupling, feed quick coupling with
Supply lines connect.
Further, the annular extraction electrode is fixedly arranged on annular extraction electrode fixed frame, annular extraction electrode fixed frame
It is connected to injection tube lateral wall.
Further, multiple feed inlets are set above the mixing machine side.
Further, air-path quick joint is set at the top of the mixing machine, air-path quick joint is connected to pneumatic circuit.
Alternatively, air-path quick joint is arranged above the mixing machine side, air-path quick joint is connected to pneumatic circuit.
Further, agitating shaft is set in the mixing machine, is connect with stirring motor at the top of the agitating shaft.
Further, the stirring shaft diameter is less than mixing machine internal diameter.
Further, spiral groove is arranged in the agitating shaft side wall.
Further, the batch mixing module is fixed on by fixture on mounting base.
Further, the injection tube and the interior setting waste collection pipeline of mixing machine, integration pump built in waste collection pipeline,
Waste collection pipeline is also connected to vacuum line.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the active mixing of more materials is realized.Multiple feed inlets are set in batch mixing module, and each feed inlet can input not
With the material of proportioning, agitating shaft is controlled by stirring motor to be stirred a variety of printed materials in barrel by setting speed
It mixes, realizes that more materials quickly mix, have the potentiality of printing function gradient parts.
(2) it realizes the high-precision mixing of material, accurately controls nozzle flow, print structure functional, reliability height.First,
Feeding module and batch mixing module are detached, ensure material under the premise of being sufficiently mixed uniform, is input to injection tube in case printing,
This ensure that the material for jet deposition is mixed thoroughly, the influence of unmixed material is excluded.Secondly, lead to
It crosses control screw speed realization to accurately control back pressure increment and fluid flow, i.e., adjusting screw rod rotating speed can control nozzle
The back pressure of steady growth is established in liquid outlet quantity, screw rod uniform rotation, and that realizes printed material stablizes conveying, according to blasting materials dosage
Different rotary speeies is set, nozzle flow is accurately controlled.Agitating device and being used cooperatively for feeding module ensure that printing knot
The function of structure improves print structure reliability.
(3) printing head, feeding module, batch mixing module are integrated, are mounted on fixed bottom plate, the cartridge nozzle of integrated form
It sets that portable strong, practicability is good, can be transplanted on any type of workbench (three axis or five axis) and be printed as needed.
(4) the high efficiency printing of arbitrary proportioning material can be achieved.Batch mixing module and feeding module separation, stirring and feeding work(
It can be independent of each other, can realize and continue sufficient material supply, material cannot be sufficiently fed in time by solving integral type helical screw agitator device
Material, batch mixing and printing can not be carried out at the same time, the low problem of printing effect.
(5) technique is applied widely, and material compatibility is good and can realize conformal printing.Annular extraction electrode is introduced as negative
Pole is grounded, and the anode of conductive nozzle connection high voltage power supply, the electric field force formed therebetween is not influenced by printing height, overcome
Traditional EFI is imprinted on printing height, and all various limitations such as printed substrates material and shape can be realized microcosmic to object
The precise Printing of structure, while realizing and being printed in shaped surfaces.The use of EFI print solves heavy viscous material and reaction
The problem of material (such as AB epoxide-resin glues) printing, can print biomaterial, metal nanoparticle, ceramic material, organic functions
The various high viscosity liquid materials such as material realize liquid, nano material integration printing, greatly expand the application neck of technique
Domain.
(6) macro/micro- across mesostructure integration printing.Have both two kinds of printing models of grand yardstick and minute yardstick, print procedure
In, it realizes any switching laws both of which in same component, completes the printing of component on demand, realize the both macro and micro of object
Multiple dimensioned printing.
(7) device uses single nozzle multiple feed inlet form, and simple structure is easy to operate, at low cost, is not necessarily in the course of work
Frequent switching printing head, while solving due to disposably can print material category limited amount caused by nozzle limited amount
The problem of, overcome existing more nozzle printing defects and deficiency.
More material technologies, the structure-integrated design of macro/micro-/nano multi-scale may be implemented in the present invention, can be used for new material and opens
Hair, biologic medical, organizational project, MEMS, wearable electronic, aerospace, 3D functional structures electronics, new energy (fuel
Battery, solar energy etc.), high definition show, numerous areas and the industry such as micronano optical device, soft robot.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the integrated nozzle structure schematic diagram that the present invention sprays more material 3D printings for electric field driven.
Fig. 2 is that the embodiment of the present invention 1 integrates nozzle diagrammatic cross-section.
Fig. 3 is that the embodiment of the present invention 2 integrates nozzle diagrammatic cross-section.
In figure, 1 printing head, 101 conductive nozzles, 102 annular extraction electrodes, 103 annular extraction electrode fixed frames, 2 send
Material module, 201 injection tubes, 202 screw rods, 203 feed quick couplings, 204 stepper motors, 3 batch mixing modules, 301 supply lines,
302 agitating shafts, 303 mixing machines, 304A expect that feed inlet, 305B expect feed inlet, 306 stirring motors, 307 air-path quick joints, 4 folders
Tool, 5 mounting bases.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, deficiency exists in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of integrated nozzle spraying more material 3D printings for electric field driven.
Embodiment 1：
Fig. 1 is the integrated nozzle schematic diagram that more material 3D printings are sprayed for electric field driven.It includes printing head 1, is sent
Expect module 2, batch mixing module 3, fixture 4, mounting base 5.Wherein printing head 1 is mounted on 2 bottom end of feeding module, feeding module 2
Side is equipped with feed quick coupling and is connected with batch mixing module 3 by supply lines 301, and batch mixing module 3 is fixed on fixture 4,
Printing head 1, feeding module 2 and batch mixing module 3 are uniformly fixed on mounting base 5, can be installed to as needed any
It is printed on three axis of form or five axis workbench.
Fig. 2 is the diagrammatic cross-section of the embodiment of the present invention 1.It includes conductive nozzle 101, annular extraction electrode 102, annular
Extraction electrode fixed frame 103, injection tube 201, screw rod 202, feed quick coupling 203, stepper motor 204, supply lines 301,
Agitating shaft 302, mixing machine 303, A expect that feed inlet 304, B expect feed inlet 305, stirring motor 306, air-path quick joint 307, folder
Tool 4, mounting base 5.Conductive nozzle 101, annular extraction electrode 102, annular extraction electrode fixed frame 103 collectively constitute printing spray
First 1,101 periphery of conductive nozzle is arranged in annular extraction electrode 102；Injection tube 201, screw rod 202 are fed quick coupling 203, stepping
Motor 204 collectively constitutes feeding module 2；Supply lines 301, agitating shaft 302, mixing machine 303, feed inlet, stirring motor 306,
Air-path quick joint 307 collectively constitutes batch mixing module 3, is connected with pneumatic circuit by air-path quick joint 307.In the application into
Material mouth is arranged two, and respectively A expects that feed inlet 304, B expect feed inlet 305, and A material, B material are delivered into mixing machine respectively.
The conduction nozzle 101 is metallic nozzle or coating conductive material nozzle, 1-1000 microns of nozzle inside diameter size；This
Conductive nozzle uses stainless steel syringe needle, specification 25G, internal diameter 0.26mm, outer diameter 0.5mm to be mounted on note in embodiment
201 bottom of shooting cylinder is simultaneously connect by conducting wire with high-voltage pulse power source anode.
The annular extraction electrode 102 is using the excellent copper sheet of electric conductivity, annular extraction electrode internal diameter 0.1-10 millis
Rice, 1-20 millimeters of outer diameter, 1-200 microns of thickness；Annular extraction electrode internal diameter is 8mm, outer diameter 18mm, thickness in the present embodiment
It is 100 μm, extracts 103 lower surface of electrode fixed frame mounted on annular and be connected through a screw thread the injection tube mounted on feeding module
On, annular extraction electrode upper and lower position is adjustable, ensures that conductive nozzle and annular extraction electrode are coaxial.Annular extraction electrode and nozzle
Different location relationship will form different field distributions, according to actual demand determine both upper and lower position.Annular extraction electrode
Pass through wired earth.
The annular extraction electrode fixed frame 103 is with female plastic cylinder, internal diameter and 201 outer diameter of injection tube
Identical, outer diameter is identical as annular extraction 102 outer diameter of electrode, is connected through a screw thread and is fixed on injection tube 201, and upper and lower position
It is adjustable.
The conduction nozzle 101 and annular extraction electrode 102 are coaxial, by adjusting on annular extraction electrode fixed frame 103
Lower position makes 101 bottom of conductive nozzle pass through annular extraction electrode 102 and stretches out 4mm distances.
The injection tube 201 is isolation material, is prevented and conductive nozzle even electricity.Plastic injector is used in the present embodiment,
Prevent with the conductive conducting of nozzle 101 and influence device other electronic devices.
Stepper motor 204 drives the rotation in injection tube 201 of screw rod 202, and material will be printed by the squeezing action of screw rod 202
Material is transported to conductive nozzle 101, and feed quick coupling 203 is mounted on 201 side of injection tube and is connected with supply lines 301.Institute
It states 202 diameter of screw rod and is slightly less than 201 internal diameter of injection tube, avoid gap is too small screw rod 202 is caused mutually to be worn with injection tube 201.
The stepper motor 204 and stirring motor 306 select 42 planetary reduction gear stepper motors, and torque is big, and the range of speeds is
10r/min-200r/min。
The supply lines 301 use black teflon pipe, pipeline both ends respectively with mixing machine 303 and be fed quick coupling
203 connections.
Stirring motor 306 drives agitating shaft 302 to rotate, and realizes the stirring of material.302 diameter of the agitating shaft is less than batch mixing
303 internal diameters of cylinder, for material stirring, there are enough spaces.
Mixing machine 303 is isolation material, holds printed material in mixing machine 303, and by supply lines 301 to feeding mold
Block supplying material.The feed inlet of mixing machine can be arranged multiple, and each feed inlet is connect with micro-injection pump.Air-path quick joint
One end is connected with pneumatic circuit, and one end is connected with mixing machine, and dynamic driving force is provided for material flowing.
The A material feed inlets 304 and B material feed inlets 305 are separately mounted on the both sides of batch mixing module 3, in print procedure
In, the different printed materials of supply can be switched as needed, realize more file printings.Feed inlet can pump phase with Material injection
Even, inputting according to quantity on time for material is realized.The air-path quick joint 307 is connected through a screw thread above mixing machine 303,
And it is connect with pneumatic circuit.
Liquid waste collector can be set in the feeding module 2 and batch mixing module 3, liquid waste collector is waste collection pipeline,
Built-in integration pump, the vacuum pressure -500mbar in liquid waste collector.One end of waste collection pipeline is set to mixing machine and note
Inside shooting cylinder, the other end is connect with vacuum line, for recycling remaining material in nozzle by negative pressure of vacuum, in transition material
When, liquid waste collector is opened, remaining printed material in device is recovered in liquid waste collector, is convenient for the more materials of quick-replaceable
Material realizes the seamless and accurate transition of flexible material, rigid material.
It is carried out in print procedure using the application nozzle, stirring motor 306 drives agitating shaft 302 to rotate, 302 side of agitating shaft
Spiral groove is arranged in wall, stirs printed material, until the mixing of each material is complete, uniformly mixed material passes through supply lines 301
It is fed rapidly into injection tube 201, the printed material in injection tube 201 moves downward under the back pressure effect of screw rod 202 and from leading
EFI mouth 101 flows out, and due to being applied with certain pulsed high-voltage between conductive nozzle 101 and annular extraction electrode 102, produces
Printed material is pulled out from nozzle and then is sprayed to reception substrate surface by raw electric field force.
Embodiment 2：
Fig. 3 is the diagrammatic cross-section of the embodiment of the present invention 2.On the basis of above-described embodiment 1 integrates nozzle, remove stirring
Axis 302, air-path quick joint are set at the top of mixing machine.The A material feed inlets 304 and B expect feed inlet 305, in print procedure
In, the different printed materials of supply can be switched as needed, realize more file printings.And feed inlet is increased, it can be timely
Printed material is supplemented into mixing machine 303, is not necessarily to the more nozzles of frequent switching, operation is simpler, conveniently.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of integrated nozzle spraying more material 3D printings for electric field driven, characterized in that including printing head, printing spray
Overhead is connect with feeding module, and the feeding module is connect with batch mixing module；
The batch mixing module includes mixing machine, and mixing machine bottom setting supply lines are connected to feeding module；
The feeding module includes injection tube, screw rod is arranged in injection tube, screw tip is connect with stepper motor；
The printing head includes conductive nozzle, and conductive nozzle is fixed on injection tube bottom, and conductive nozzle periphery setting annular carries
Electrode, conductive nozzle is taken to be connected with high-voltage pulse power source anode, annular extraction electrode ground connection.
2. integrated nozzle as described in claim 1, characterized in that the injection tube side setting opening, opening setting supply
Expect that quick coupling, feed quick coupling are connect with supply lines.
3. integrated nozzle as described in claim 1, characterized in that it is solid that the annular extraction electrode is fixedly arranged on annular extraction electrode
Determine frame, annular extraction electrode fixed frame is connected to injection tube lateral wall.
4. integrated nozzle as described in claim 1, characterized in that multiple feed inlets are arranged above the mixing machine side.
5. integrated nozzle as described in claim 1, characterized in that air-path quick joint, gas circuit are arranged at the top of the mixing machine
Quick coupling is connected to pneumatic circuit.
6. integrated nozzle as described in claim 1, characterized in that air-path quick joint is set above the mixing machine side,
Air-path quick joint is connected to pneumatic circuit.
7. integrated nozzle as described in claim 1 or 6, characterized in that agitating shaft, the agitating shaft are arranged in the mixing machine
Top is connect with stirring motor.
8. integrated nozzle as claimed in claim 7, characterized in that the stirring shaft diameter is less than mixing machine internal diameter.
9. integrated nozzle as claimed in claim 7, characterized in that spiral groove is arranged in the agitating shaft side wall.
10. integrated nozzle as described in claim 1, characterized in that the batch mixing module is fixed on mounting base by fixture
On；Waste collection pipeline is set in the injection tube and mixing machine, and integration pump built in waste collection pipeline, waste collection pipeline is also
It is connected to vacuum line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726176.3A CN108568966A (en) | 2018-07-04 | 2018-07-04 | A kind of integrated nozzle spraying more material 3D printings for electric field driven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726176.3A CN108568966A (en) | 2018-07-04 | 2018-07-04 | A kind of integrated nozzle spraying more material 3D printings for electric field driven |
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| CN108568966A true CN108568966A (en) | 2018-09-25 |
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| CN201810726176.3A Withdrawn CN108568966A (en) | 2018-07-04 | 2018-07-04 | A kind of integrated nozzle spraying more material 3D printings for electric field driven |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732899A (en) * | 2019-03-18 | 2019-05-10 | 青岛五维智造科技有限公司 | Polymer matrix composite high-resolution 3D printing device and its working method |
| CN112848278A (en) * | 2021-01-05 | 2021-05-28 | 四川大学 | Passive mixed functional gradient material 3D printing nozzle suitable for ink-jet printing |
| CN113059792A (en) * | 2021-03-29 | 2021-07-02 | 江南大学 | Online variable-component photocuring 3D printing device and method |
| CN113420486A (en) * | 2021-07-21 | 2021-09-21 | 中南大学 | Battery anode material integrated design method and system based on multi-scale simulation |
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| CN114559650A (en) * | 2022-03-03 | 2022-05-31 | 辽宁工业大学 | 3D printer with super-hydrophobic surface structure for bone cement printing and method |
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2018
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| CN109732899A (en) * | 2019-03-18 | 2019-05-10 | 青岛五维智造科技有限公司 | Polymer matrix composite high-resolution 3D printing device and its working method |
| CN109732899B (en) * | 2019-03-18 | 2023-07-07 | 青岛五维智造科技有限公司 | Polymer matrix composite high-resolution 3D printing device and working method thereof |
| CN114506070B (en) * | 2019-04-16 | 2024-05-03 | 株式会社Enjet | Inductive electrohydrodynamic jet printing apparatus |
| CN114506070A (en) * | 2019-04-16 | 2022-05-17 | 株式会社 Enjet | Inductive electrohydrodynamic jet printing apparatus |
| CN113840714A (en) * | 2020-07-10 | 2021-12-24 | 南京三迭纪医药科技有限公司 | High-precision additive manufacturing device and high-yield additive manufacturing system |
| CN112848278A (en) * | 2021-01-05 | 2021-05-28 | 四川大学 | Passive mixed functional gradient material 3D printing nozzle suitable for ink-jet printing |
| WO2022155995A1 (en) * | 2021-01-20 | 2022-07-28 | 青岛理工大学 | Single-plate electrode electric field-driven multi-printing head spray deposition micro-nano 3d printing device |
| CN113059792A (en) * | 2021-03-29 | 2021-07-02 | 江南大学 | Online variable-component photocuring 3D printing device and method |
| WO2022205501A1 (en) * | 2021-03-29 | 2022-10-06 | 江南大学 | Online variable component photocuring 3d printing device and method |
| CN113420486B (en) * | 2021-07-21 | 2022-08-26 | 中南大学 | Battery anode material integrated design method and system based on multi-scale simulation |
| CN113420486A (en) * | 2021-07-21 | 2021-09-21 | 中南大学 | Battery anode material integrated design method and system based on multi-scale simulation |
| CN114559650A (en) * | 2022-03-03 | 2022-05-31 | 辽宁工业大学 | 3D printer with super-hydrophobic surface structure for bone cement printing and method |
| CN114559650B (en) * | 2022-03-03 | 2024-02-23 | 辽宁工业大学 | 3D printer with super-hydrophobic surface structure for bone cement printing and method |
| CN114603845A (en) * | 2022-03-07 | 2022-06-10 | 西安交通大学 | Online polarization 3D printing head made of piezoelectric ceramic/polymer composite material |
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