CN108914177A - A kind of device and method of the fine liquid line metal 3D printing of five axis - Google Patents
A kind of device and method of the fine liquid line metal 3D printing of five axis Download PDFInfo
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- CN108914177A CN108914177A CN201810893738.3A CN201810893738A CN108914177A CN 108914177 A CN108914177 A CN 108914177A CN 201810893738 A CN201810893738 A CN 201810893738A CN 108914177 A CN108914177 A CN 108914177A
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- electrolyte
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- minute nozzle
- printing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
- C25D5/026—Electroplating of selected surface areas using locally applied jets of electrolyte
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/003—3D structures, e.g. superposed patterned layers
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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
- B33Y10/00—Processes of additive manufacturing
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/02—Tanks; Installations therefor
Abstract
A kind of device and method of the fine liquid line metal 3D printing of five axis, it is characterized in that using insulation capillary as minute nozzle, centre insertion micron platinum filament is linked with power anode, electrolyte is ejected into the electro-deposition that specified region is realized on cathode substrate surface, and constant-current dc power supply is used, controls current density in 100~800A/dm2, required three-dimensional metal structure is deposited by the movement of control tri- axis of XYZ and two rotary shafts.The advantages that present invention can carry out fine metal 3D printing with facilitating, and have equipment simple, easily manufactured, efficient quick, process is sufficiently stable.
Description
Technical field
The present invention relates to a kind of electro-deposition processing technologies, more particularly, to jet-electrodeposited method processing technology, specifically
A kind of device and method of the fine liquid line metal 3D printing of five axis.
Background technique
3D printing, i.e. one kind of RP technique, it is to be carried out by 3 d modeling software to components shape
Modeling, then threedimensional model is sliced by software, final computer output digit signals control dedicated 3D printer and carry out
Printing obtains final products.In recent years, with the fast development of 3D printing technique, it aerospace, automobile, biological medicine and
The application ranges in fields such as building are gradually widened, convenient and efficient, stock utilization is high etc., and advantages constantly show the current metal 3D of
Printing technique main selective laser sintered (SLS), electron beam melting (EBM), selective laser melting (SLM) and Laser Near
Wherein selective laser melting is that the hot spot of research can melt various metals using high energy laser sources to net forming (LENS)
Powder.Compared with conventional machining techniques, it breaches the limitation of design and conventional machining techniques completely, is not required to mold.Therefore, 3D
Printing can overcome it is some it is conventionally manufactured on the design that can not reach, produce more complicated structure.And stock utilization is high,
Design is short delivery cycle, and machinable material is more, in aerospace, military and national defense, energy oil gas, biologic medical, automobile, high-end pearl
The research and development of treasured etc. and production field just yield unusually brilliant results.Function is also extended to the manufacture of industrial mold from earliest displaying, teaching, is
To the direct manufacture of components and product.However metal 3D printing main method is that metal powder or silk are melted weight by high temperature
New molding, equipment is expensive, and process local temperature is high, and heat distribution is difficult to control, and the inside parts produced may have not
The defects of molten metal powder, generation thermal stress.
Electrochemical deposition technique is a kind of increasing material formula processing method that typical room temperature is shaped with layer-by-layer accumulation mode.Base
In the electro-deposition techniques of aqueous solution generally have suitable material extensively, low operation temperature (general 70 DEG C or less), tissue-pattern-
Performance can Collaborative Control, application form flexibly etc. process advantages.Theoretically, it need to only induce through metal made of redox reaction
Atom or crystal grain are controllably stacked up by design idea, can process or be printed as arbitrary shape using electro-deposition techniques
Metallic based structures and part.One kind that jet-electrodeposited method is deposited as Local electrochemical substantially improves the mobility of electrolyte,
Have many advantages, such as that current density is big, current efficiency is high, metallic crystal refines, locality is strong, in jet-electrodeposited method process,
Electroforming solution is sprayed to cathode in the form of high-speed jet and carries out electro-deposition, and this strong turbulent fluxus formae accelerates solution
Mixing speed reduces the thickness of diffusion layer, enhances activation polarization, greatly improves limiting current density, can be with
Current density much higher than other electrodeposition technologies carries out, and deposition rate of metal greatly improves, and realizes the part electricity of higher efficiency
Deposition, to efficiently realize fine jet stream electro-deposition 3D printing.
Summary of the invention
The present invention be by lower-cost method, using simple jet-electrodeposited method technique, any conductive surface into
The fine jet stream electro-deposition 3D printing of row.
The technical scheme is that:
A kind of fine liquid line metal 3D printing jet-electrodeposited method manufacturing method of five axis, it is characterized in that:
Minute nozzle, centre insertion micron platinum filament and power supply are used as using insulation capillary (100~500 μm of diameter) first
Electrolyte fixed point is ejected on cathode substrate surface and realizes jet-electrodeposited method, and uses constant-current dc power supply by anode link,
Current density is controlled in 100~800A/dm2, in the available fine metal structure of cathode spray site;
Secondly, the growth of metal structure can make the reduction of electrode both ends potential difference, motor XYZ is controlled by the monitoring to voltage
Axis movement, control minute nozzle is moved with the growth of metal structure, to realize processing clearance constant;
By computer, by the 3D printing object slice of required processing, then motor XYZ axis and two rotary shafts are controlled
The 3D printing of part is realized in movement.
Finally cleaning-drying is handled.
The electrolyte is the electrolyte containing Cu, Co, Ni, Ag, Au or their respective alloys.
The manufacturing device being adapted with the above method of the invention is as follows
Fine jet stream electro-deposition 3D printing jet-electrodeposited method manufacturing device, it is characterized in that it include adjustable peristaltic pump (1), it is soft
Conduit (2), XYZ three-axis stepping motor platform (3), electrolyte cushion chamber (4), nozzle rotate shaft step motor (5), minute nozzle
(6), constant-current supply (7), voltage check device (8), computer control unit (9), platform base (10), swivel slide (11),
Electrolytic bath (12), cathode objective table (13), electrolyte are stored in electrolytic bath (12), and electrolyte is stored in electrolytic bath
(12) in, electrolyte is extracted out by adjustable peristaltic pump (1) from electrolytic bath (12) and is pressed into electrolyte cushion chamber (4) again by micro-
Thin nozzle (6) is ejected into anode surface, and electrolyte is flowed back in electrolytic bath (12) by anode surface to recycle again;It is fine
Nozzle (6) is it is characterized in that it includes capillary glass tube (14), capillary carrier (15), pure platinum electrode wire (16), adhesive waterproof tape
(17), the capillary glass tube (14) with insulation effect is inserted into capillary carrier (15) and is sealed with AB glue, be inserted into pure platinum
Electrode wire (16), one end are drawn to connect power anode along capillary carrier (15) outer edge, are wrapped with adhesive waterproof tape (17)
Avoid leakage.XYZ three-axis stepping motor platform (3) can make minute nozzle (6) do three-dimensional motion in space, realize fine
The jet stream deposition modeling of nozzle different location;Nozzle rotary shaft (5) and swivel slide (11) match and minute nozzle may be implemented
The jet stream deposition modeling of different angle carries out jet stream electro-deposition 3D printing such as on side wall.
Beneficial effects of the present invention:
1, using Jet Electrodeposition, by electrolyte by minute nozzle in the form of high-speed jet as cathode supplements metal
Ion acutely increases the mobility of electrolyte, and compared to traditional electro-deposition techniques, jet-electrodeposited method can be such that electrodepositing speed improves
Tens times or even hundreds of times.
2, the defects of present invention is the progress metal 3D printing in room temperature, will not generate thermal stress.
3, the present invention, which is sprayed electrolyte to cathode surface using peristaltic pump, carries out electrochemical deposition, the low flow velocity of peristaltic pump
Characteristic match with minute nozzle, and jet stream electro-deposition can also be carried out even if only a small amount of electrolyte.
4, the present invention between peristaltic pump and minute nozzle by increasing a small-sized cushion chamber, so that eliminating peristaltic pump
Pulsating nature, minute nozzle electrolyte outlet pressure keeps constant, and liquid stream injection is steady.
5, for the present invention using insulating glass capillary as minute nozzle, structure is simple, low in cost, and can basis
The demand of different-diameter, the nozzle using the capillary glass tube of different-diameter as jet stream electro-deposition.
6, the present invention adds in nozzle and cathode substructure platform there are two rotary shaft, and jet stream electricity can be carried out to the side of object
Deposit 3D printing.
7, the present invention theoretically can be in any conductor table using the thought of increasing material manufacturing using jet stream electro-deposition techniques
Face carries out fine jet stream electro-deposition 3D printing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fine jet stream electro-deposition 3D printing jet-electrodeposited method manufacturing device of the invention;
Fig. 2 is the structural schematic diagram of minute nozzle;
In figure:1, adjustable peristaltic pump;2, flexible conduit;3, XYZ three-axis stepping motor platform;4, electrolyte cushion chamber;5, it sprays
Mouth rotates shaft step motor;6, minute nozzle;7, constant-current supply;8, voltage check device;9, computer control unit;10, it puts down
Platform pedestal;11, swivel slide;12, electrolytic bath;13, cathode objective table;14, capillary glass tube;15, capillary carrier;16,
Pure platinum electrode wire;17, adhesive waterproof tape.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
A kind of fine liquid line metal 3D printing manufacturing method of five axis, it includes the following steps:
(1) capillary glass tube (14) with insulation effect is inserted into capillary carrier (15) and is sealed with AB glue, inserted
Enter pure platinum electrode wire (16), one end is drawn along capillary carrier (15) outer edge to connect power anode, with adhesive waterproof tape (17)
It wraps and avoids leakage.
(2) nozzle rotation shaft step motor (5) is mounted in the z-stage of XYZ three-axis stepping motor platform (3),
And minute nozzle is installed in nozzle rotation shaft step motor (5).In swivel slide (11) stationary electrolysis liquid bath (12).By XYZ
Three-axis stepping motor platform (3) and swivel slide (11) are horizontally arranged on platform base (11) and fixed, guarantee Z axis and rotation
The plane of slide unit (11) is vertical, and the motion range of minute nozzle can cover entire electrolytic bath (12).It uses flexible conduit (2)
It is separately connected minute nozzle, adjustable peristaltic pump (1), electrolytic bath, realizes recycling for electrolyte.
(3) cathode substrate (workpiece to be added) is fixed on right above electrolytic bath with cathode objective table (13).
(4) peristaltic pump is opened, suitable flow is selected according to minute nozzle diameter, starts injection, the circulation of electrolyte, to
Storing in electrolyte cushion chamber has a certain amount of electrolyte and does not change, and minute nozzle outlet pressure is uniform at this time, stability of flow,
It can start to process.
(5) constant-current supply is opened, controls current density in 100~800A/dm2, start to carry out electro-deposition;
(6) growth of metal structure can make the reduction of electrode both ends potential difference, pass through the acquisition to voltage across poles, voltage decline
When, control XYZ spindle motor movement, so that distance becomes larger between minute nozzle and workpiece, until making voltage restore initial value, thus
Realize processing clearance constant.
(7) the 3D Model Digitization processed of needs is handled by the methods of slice, by computer to XYZ spindle motor with
And the control of two rotary shafts is directly realized by jet-electrodeposited method by controlling rotary shaft when needing to carry out electro-deposition to side,
To realize five axis fine metal 3D printings.
(8) finally cleaning-drying is handled
The principle of part that the present invention does not relate to such as jet-electrodeposited method, constant-current supply etc. is same as the prior art or can use
The prior art is realized.
Claims (8)
1. a kind of fine liquid line metal 3D printing manufacturing method of five axis, it is characterized in that:
First using insulation capillary as minute nozzle, centre insertion micron platinum filament links with power anode, electrolyte is determined
Point, which is ejected on cathode substrate surface, realizes local plating, and uses constant-current dc power supply, by controlling tri- axis of XYZ and two
A movement being rotating is to deposit required three-dimensional metal structure;
Secondly, control motor XYZ three-axis moving by monitoring to voltage across poles, control minute nozzle with three-dimensional metal structure
The processing gap kept constant;
Finally cleaning-drying is handled.
The fine jet stream electro-deposition 3D printing manufacturing device of a kind of five axis, it is characterized in that it includes adjustable peristaltic pump (1), flexible conduit
(2), XYZ three-axis stepping motor platform (3), electrolyte cushion chamber (4), nozzle rotation shaft step motor (5), minute nozzle (6),
Constant-current supply (7), voltage check device (8), computer control unit (9), platform base (10), swivel slide (11), electrolysis
Liquid bath (12), cathode objective table (13);Minute nozzle (6) is it is characterized in that it includes capillary glass tube (14), capillary carrier
(15), pure platinum electrode wire (16), adhesive waterproof tape (17).
2. the fine jet stream electro-deposition 3D printing manufacturing method of five axis according to claim 1, it is characterized in that:The electrolyte is
Electrolyte containing Cu, Co, Ni, Ag, Au or their respective alloys.
3. the fine jet stream electro-deposition 3D printing manufacturing device of five axis according to claim 1, minute nozzle (6) it is characterized in that it
Including capillary glass tube (14), capillary carrier (15), pure platinum electrode wire (16), adhesive waterproof tape (17), there will be insulation effect
Capillary glass tube (14) insertion capillary carrier (15) and be sealed with AB glue, be inserted into pure platinum electrode wire (16), one end is along hair
Tubule carrier (15) outer edge is drawn to connect power anode, is wrapped with adhesive waterproof tape (17) and is avoided leakage.Tri- axis stepping of XYZ
Motor platform (3) can make minute nozzle (6) do three-dimensional motion in space, realize that the jet stream of minute nozzle different location is heavy
Product molding;Nozzle rotary shaft (5) and swivel slide (11), which match, may be implemented the jet stream of minute nozzle different angle and is deposited into
Type carries out jet stream electro-deposition 3D printing such as on side wall.
4. according to claim 1, the fine jet stream electro-deposition 3D printing manufacturing device of five axis electrolyte circulation system it is characterized in that
Including adjustable peristaltic pump (1), flexible conduit (2), minute nozzle (6), electrolyte cushion chamber (4), electrolytic bath (12), by adjustable compacted
Dynamic pump (1) provides power, and electrolyte is sucked out from electrolytic bath, is ejected into cathode surface and carries out electro-deposition, electrolyte returns again
It flows in electrolytic bath, forms electrolyte circulation system;A small-sized electrolyte is equipped between peristaltic pump and jet expansion
Cushion chamber (4) can eliminate the liquid pulsation of peristaltic pump generation, spray electrolyte uniformly.
5. according to claim 1, its size of the constant-current supply is adjusted in 0.1mA~20mA for different-diameter minute nozzle (6)
Current density of economizing on electricity is in 100~800A/dm2。
6. the movement velocity range of XYZ motor is in 0.1mm/min~60mm/min in process according to claim 3.
7. according to claim 3, the capillary diameter range is 100mm~500mm, platinum electrode silk diameter range is 20~
100mm。
8. the electrolyte circulation system, the range of flow of peristaltic pump (1) is 4~34ml/min, needle according to claim 4
Different flow is adjusted to different-diameter minute nozzle (6).
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Cited By (13)
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CN109338427A (en) * | 2018-12-04 | 2019-02-15 | 南京航空航天大学 | Pen device and intelligent Electrochemical plated film and 3D printing device and its application method is electroplated |
CN109778244A (en) * | 2019-03-04 | 2019-05-21 | 中国石油大学(华东) | A kind of jet-electrodeposited method 3D fine metal increasing material manufacturing device |
CN110093641A (en) * | 2019-04-23 | 2019-08-06 | 河南理工大学 | A kind of micro-structure is without magnetic property method and system |
CN110359069A (en) * | 2019-07-16 | 2019-10-22 | 吉林大学 | A kind of more metal mixed increasing material manufacturing device and methods of liquid phase |
CN110528039A (en) * | 2019-07-31 | 2019-12-03 | 浙江大学 | Micro-nano structure local electric deposition device based on the detection monitoring of faint ionic current |
CN111041529A (en) * | 2019-12-24 | 2020-04-21 | 厦门理工学院 | Electro-deposition 3D printing head and device |
IT201900013626A1 (en) * | 2019-08-01 | 2021-02-01 | Fluid Metal 3D As | PROCEDURE AND SYSTEM OF LOCALIZED ELECTROFORMING BY JETS WITH CLOSED-LOOP FEEDBACK IN REAL TIME |
CN112779567A (en) * | 2020-12-28 | 2021-05-11 | 南京航空航天大学 | Micro machining tool preparation device and method and in-situ material increase and reduction manufacturing method |
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CN110359069A (en) * | 2019-07-16 | 2019-10-22 | 吉林大学 | A kind of more metal mixed increasing material manufacturing device and methods of liquid phase |
CN110528039A (en) * | 2019-07-31 | 2019-12-03 | 浙江大学 | Micro-nano structure local electric deposition device based on the detection monitoring of faint ionic current |
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