CN105855551B - Inversion type liquid metal sprays printing equipment and Method of printing - Google Patents
Inversion type liquid metal sprays printing equipment and Method of printing Download PDFInfo
- Publication number
- CN105855551B CN105855551B CN201610204882.2A CN201610204882A CN105855551B CN 105855551 B CN105855551 B CN 105855551B CN 201610204882 A CN201610204882 A CN 201610204882A CN 105855551 B CN105855551 B CN 105855551B
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- China
- Prior art keywords
- liquid metal
- spraying
- inversion type
- type liquid
- spraying chamber
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Classifications
-
- 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
-
- 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
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Nozzles (AREA)
Abstract
The present invention provides and is provided with aerosol import above a kind of inversion type liquid metal spraying printing equipment, including blowing unit, atomization unit, spraying chamber, recovery pond, the side wall of the spraying chamber, and spraying bottom of chamber portion is provided with aerosol exit；The wind pipe of the blowing unit and the aerosol pipeline of atomization unit are all connected to the aerosol import of the spraying chamber；The aerosol exit of spraying chamber connects the recovery pond by pipeline；The opening for placing mask and base material is provided with the top of the spraying chamber.Inversion type liquid metal spraying Method of printing and device proposed by the present invention, contamination and pollution of the liquid metal droplet to surrounding environment can preferably be avoided, also can be by reclaiming the materials'use efficiency improved in liquid metal spraying automatically, heating and temperature controlling device also expands available liquid metal material scope, suitable for the rapid batchization making to liquid metal printed circuit.
Description
Technical field
The invention belongs to print field, and in particular to a kind of method of metal spraying printing and the device of use.
Background technology
Liquid metal is a series of general designation of Low-melting metal and alloy materials, as a kind of conductive material, due to can be with
Just have mobility concurrently under room temperature or relatively low heating-up temperature, therefore liquid metal can be directly printed on all kinds of base materials
Surface, so as to realize the quick increasing material manufacturing of electronic circuit.Relative to the processing that tradition covers copper printed circuit, liquid metal printing
Circuit speed is fast, suitable for a variety of base materials and with flexibility；In addition, the relatively conventional copper corrosion circuit of liquid metal printed circuit,
Process more energy-conserving and environment-protective, also have unique advantage in recovery.
The printing mode of current liquid metal can substantially be divided into direct write and spraying two types.Direct write method is by printhead number
Amount and size limitation, are not appropriate for mass in the short time and print liquid metal circuit；Spraying process can be combined with mask, can
Mask overlay area is printed, and only quickly can just be printed next time by changing substrate in the completed, therefore
It is more suitable for the mass production of the liquid metal printed circuit of unified specification.
However, because spraying process needs by atomising device to be droplet by liquid metal atomization, thus in traditional spraying
In printing device, the droplet flown away not only can also fly away spraying operation space on mask film covering and the base material that spills
Side wall, or even fly away to open space, easily cause the contamination of equipment and the pollution of environment, in addition can because droplet fly away to
The respiratory tract and mucous membrane of operator and its health is had adverse effect on；On the other hand, due to lacking temperature control device, therefore pass
The spraying equipment of system can not be sprayed to the metal or alloy that fusing point is higher than room temperature, also limit the application model of this method
Enclose.
The content of the invention
Part, beats the purpose of the present invention is to propose to a kind of spraying of inversion type liquid metal in view of the shortcomings of the prior art
Printing equipment is put.
It is another object of the present invention to propose a kind of inversion type liquid metal spraying Method of printing.
The technical scheme for realizing above-mentioned purpose of the present invention is：
A kind of inversion type liquid metal sprays printing equipment, including blowing unit, atomization unit, spraying chamber, recovery pond, institute
Aerosol import is provided with above the side wall for stating spraying chamber, spraying bottom of chamber portion is provided with aerosol exit；The wind pipe of the blowing unit
The aerosol import of the spraying chamber is all connected to the aerosol pipeline of atomization unit；The aerosol exit of spraying chamber is connected by pipeline
The recovery pond；The opening for placing mask and base material is provided with the top of the spraying chamber.
Further, the atomization unit is connected with placement fusing point in liquid metal vessels, the liquid metal vessels and existed
What metal material and nanometer or micron particles of less than 200 degrees Celsius of the metal material or fusing point below 200 degrees Celsius were combined
Material.
Wherein, the metal material is selected from gallium, indium, gallium-indium alloy, gallium-indium-tin alloy, gallium indium kirsite, gallium indium tin zinc and closed
One kind in gold, bismuth indium alloy, bismuth tin alloy, bismuth indium stannum alloy, bismuth indium kirsite, bismuth indium red brass.
Wherein, the atomization unit is provided with gases at high pressure shower nozzle, and the gases at high pressure shower nozzle connects the aerosol pipeline.
The inner-wall material of the spraying chamber includes the low surface roughness material by processing such as polishings.For example, the spraying chamber is interior
Wall material is the one or more in metal, ceramics, glass, nylon, polytetrafluoroethylmaterial material.
Described inversion type liquid metal spraying printing equipment, is additionally provided with heated for controlling temperature unit, the heated for controlling temperature list
Member includes being arranged on the blowing unit, atomization unit, spraying chamber, the electrical heating elements below recovery pond.
A kind of inversion type liquid metal sprays Method of printing, using printing equipment proposed by the present invention, including step：
1) mask and substrate are placed in the top open part of the spraying chamber, substrate is located at the top of mask, sprays chamber, covers
Film and substrate contact position keep sealing；
2) blowing unit is opened, air-flow is sprayed, liquid metal is then injected into atomization unit, liquid metal forms drop,
Full of spraying chamber under air-flow conveying；
3) after the spraying in substrate terminates, blowing unit and atomization unit are closed；Liquid metal is collected out of recovery pond.
Wherein, the material of the substrate be high molecular polymer, paper, glass, ceramics, cloth, timber, solid metal,
One kind in alloy, the high molecular polymer is selected from polyethylene (PE), polyvinyl chloride (PVC), polypropylene (PP), polyimides
(PI), polystyrene (PS), makrolon (PC), polyether-ether-ketone (PEEK), polymethyl methacrylate (PMMA), poly- to benzene two
Formic acid second diester (PET), epoxy resin (EP), acrylonitrile-butadiene-styrene copolymer (ABS), PLA (PLA), poly- second
One kind in enol (PVA), dimethyl silicone polymer (PDMS) and silica gel, rubber.
Wherein, recovered liquid is placed in the recovery pond, the recovered liquid is selected from water, electrolyte, non-electrolyte, You Jirong
The one or more in liquid metal under agent, molten state.
For example, the recovered liquid can be sodium hydroxide solution or sodium carbonate liquor.
The material of the mask include by polishing etc. processing low surface roughness material, such as metal, ceramics, glass,
One or more in nylon, polytetrafluoroethylmaterial material.
Wherein, the temperature controlling range of the heated for controlling temperature unit is 15-300 degrees Celsius.
The beneficial effects of the present invention are：
Inversion type liquid metal spraying Method of printing and device proposed by the present invention, using inversion and the design of recovery pond,
Contamination and pollution of the liquid metal droplet to surrounding environment can be preferably avoided, also liquid gold can be improved by reclaiming automatically
Materials'use efficiency in category spraying, heating and temperature controlling device also expands available liquid metal material scope, suitable for liquid
The rapid batchization of state metal printed circuit makes, to this new method and device designing technique theory at present at home and abroad still
Without report.This method is actually also applied for the printing of other normal inks.
Brief description of the drawings
Fig. 1 is the structural representation that inversion type liquid metal of the present invention sprays printing equipment；
Fig. 2 be inversion type liquid metal of the present invention spray printing equipment spraying chamber and covering thereon side opening mask and
The structural representation of base material,
Fig. 3 is that inversion type liquid metal of the present invention sprays printing equipment recovery pond schematic diagram,
Wherein：1 is blowing unit, and 2 be spraying chamber, and 201 be spraying cavity wall, and 202 be spraying chamber aerosol entrance, and 203 be spray
Chamber aerosol exit is applied, 204 be spraying chamber upper opening, and 205 be mask, and 206 be base material, and 207 be the hollow out on mask；
301 be recovery pond, and 302 be aerosol recovery pipe, and 303 be recovered liquid, and 304 be recovery pond opening；4 be atomization unit, and 5 be heating
Control temperature unit.
Embodiment
Technical solution of the present invention is further illustrated with specific embodiment below.Those skilled in the art are it is to be understood that reality
Apply example and be merely to illustrate the present invention, be not used in limitation the scope of the present invention.
In embodiment, unless otherwise instructed, technological means used is this area conventional technology.
Embodiment 1：
Such as Fig. 1, a kind of inversion type liquid metal sprays printing equipment, including blowing unit 1, atomization unit 4, spraying chamber 2,
Recovery pond 301, is provided with aerosol import above the side wall of spraying chamber 2, and spraying bottom of chamber portion is provided with spraying chamber aerosol exit 203；Institute
The aerosol pipeline of the wind pipe and atomization unit of stating blowing unit is all connected to spraying chamber aerosol import 202；Spray chamber aerosol
Outlet 203 connects recovery pond 301 by aerosol recovery pipe 302, and the aerosol recovery pipe 302 extend into recovered liquid 303 in pond
Liquid level lower section, recovery pond opening 304 is provided with above recovery pond, for injecting recovered liquid.The top of the spraying chamber is set
There is spraying chamber upper opening 204.
Wherein, the atomization unit is connected with placement fusing point in liquid metal vessels, the liquid metal vessels and taken the photograph 200
Metal material below family name's degree；The atomization unit is provided with gases at high pressure shower nozzle, and the gases at high pressure shower nozzle connects the gas
Mist pipeline.It is stainless steel to spray intracavitary wall material.
This inversion type liquid metal sprays printing equipment, is additionally provided with heated for controlling temperature unit 5, the heated for controlling temperature unit bag
Include and be arranged on the blowing unit, atomization unit, spraying chamber, the electrical heating elements below recovery pond.The temperature of heated for controlling temperature unit
Control range is spent at 15-300 degrees Celsius.
In the present embodiment, liquid metal is gallium-indium alloy, and mask 205 is the thick stainless steels of 0.5mm, and base material 206 is
Hollow out 207 on 0.3mm thickness polyvinyl chloride films, mask spills substrate region to be printed；Recovered liquid is 0.25mol/L hydrogen-oxygens
Change sodium solution.It placed after substrate and mask, spraying chamber is in addition to aerosol entrance, aerosol exit and upper opening, and other parts are
Closed structure, aerosol entrance is connected with atomising device and air-supply arrangement, and aerosol exit is connected with recovery pond, minimum positioned at spraying chamber
Place, while playing a part of making adherent drop conflux.
Because the fusing point of gallium-indium alloy is less than room temperature, therefore inversion type liquid metal spraying printing equipment need not start heating
Device.Stainless steel mask, polyvinyl chloride film are covered and be fixed on after spraying chamber upper opening successively, starts air-supply dress first
Put, spraying intracavitary is had continuous flow, gallium-indium alloy is injected into atomising device, the gallium-indium alloy droplet of ejection is with the cocurrent flow of air-flow one
Enter and spray intracavitary, and be attached to each surface of air flow contacts, being attached to the gallium-indium alloy of spraying cavity wall will converge, and with
Spray chamber aerosol exit and flow into recovery pond, unattached gallium-indium alloy droplet also from aerosol exit will flow into recovery pond with air-flow,
During air-flow rises in recovered liquid, droplet can separate out in recovered liquid, reunite again, and the gallium indium flowed out with inwall
Alloy is gathered in recovery pond bottom together.
After the completion of the spraying for treating substrate surface, atomising device and air-supply arrangement are closed, you can will complete the base of spraying printing
Bottom material is removed, and replaceable new base material, restarts the flow of spraying printing.
Embodiment 2
Using the device same with embodiment 1.
In the present embodiment, liquid metal is Ga15In13SnZn gallium indium red brasses, mask is the thick stainless steels of 0.2mm, substrate
Material is the thick polypropylene films of 0.5mm, and recovered liquid is 0.5mol/L sodium hydroxide solutions.Start air-supply arrangement first, make spraying
Intracavitary has continuous flow, and air-flow is 10m/s relative to the flow velocity at spout interface, by 2min spraying, is obtained in substrate
Coating thick 0.8mm.
Other operation be the same as Examples 1.
Embodiment above is only that the embodiment of the present invention is described, and not the scope of the present invention is entered
Row is limited, and those skilled in the art can also do numerous modifications and variations, be set not departing from the present invention on the basis of existing technology
On the premise of meter spirit, all variations and modifications that this area ordinary skill technical staff makes to technical scheme,
In the protection domain that claims of the present invention determination all should be fallen into.
Claims (9)
1. a kind of inversion type liquid metal sprays printing equipment, it is characterised in that including blowing unit, atomization unit, spraying chamber,
Aerosol import is provided with above recovery pond, the side wall of the spraying chamber, spraying bottom of chamber portion is provided with aerosol exit；The blowing unit
The aerosol pipeline of wind pipe and atomization unit is all connected to the aerosol import of the spraying chamber；The aerosol exit of spraying chamber passes through
Pipeline connects the recovery pond；The opening for placing mask and base material is provided with the top of the spraying chamber；
Described inversion type liquid metal spraying printing equipment is additionally provided with heated for controlling temperature unit, and the heated for controlling temperature unit includes
It is arranged on the electrical heating elements below the blowing unit, atomization unit, spraying chamber and recovery pond.
2. inversion type liquid metal according to claim 1 sprays printing equipment, it is characterised in that the atomization unit connects
Metal material or fusing point of the placement fusing point below 200 degrees Celsius in liquid metal vessels, the liquid metal vessels is connected to exist
The compound material of less than 200 degrees Celsius of metal material and nanometer or micron particles.
3. inversion type liquid metal according to claim 2 sprays printing equipment, it is characterised in that the metal material choosing
From gallium, indium, gallium-indium alloy, gallium-indium-tin alloy, gallium indium kirsite, gallium indium red brass, bismuth indium alloy, bismuth tin alloy, bismuth indium tin
One kind in alloy, bismuth indium kirsite, bismuth indium red brass.
4. inversion type liquid metal sprays printing equipment according to claim 1, it is characterised in that the atomization unit is set
There is gases at high pressure shower nozzle, the gases at high pressure shower nozzle connects the aerosol pipeline；The inner-wall material of the spraying chamber is metal, pottery
One or more in porcelain, glass, nylon, polytetrafluoroethylmaterial material.
5. a kind of inversion type liquid metal sprays Method of printing, using any described printing equipment of Claims 1 to 4, including
Step：
1) mask and substrate are placed in the top open part of the spraying chamber, substrate is located at the top of mask, spraying chamber, mask and
Substrate contact position keeps sealing；
2) blowing unit is opened, air-flow is sprayed, liquid metal is then injected into atomization unit, liquid metal formation drop, in gas
Stream conveying is lower full of spraying chamber；
3) after the spraying in substrate terminates, blowing unit and atomization unit are closed；Liquid metal is collected out of recovery pond.
6. inversion type liquid metal according to claim 5 sprays Method of printing, it is characterised in that the material of the substrate
For one kind in high molecular polymer, paper, glass, ceramics, cloth, timber, solid metal, alloy, the high molecular polymerization
Thing is selected from polyethylene, polyvinyl chloride, polypropylene, polyimides, polystyrene, makrolon, polyether-ether-ketone, polymethylacrylic acid
Methyl esters, PET, epoxy resin, acrylonitrile-butadiene-styrene copolymer, PLA, polyvinyl alcohol,
One kind in dimethyl silicone polymer, silica gel, rubber.
7. inversion type liquid metal according to claim 5 sprays Method of printing, it is characterised in that the material of the mask
For the one or more in metal, ceramics, glass, nylon, polytetrafluoroethylmaterial material.
8. Method of printing is sprayed according to any described inversion type liquid metal of claim 5~7, it is characterised in that described
Recovered liquid is placed in recovery pond, the recovered liquid is selected from the liquid under water, electrolyte, non-electrolyte, organic solvent, molten state
One or more in metal.
9. Method of printing is sprayed according to any described inversion type liquid metal of claim 5~7, it is characterised in that described to add
The temperature controlling range of hot control temperature unit is 15-300 degrees Celsius.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610204882.2A CN105855551B (en) | 2016-04-05 | 2016-04-05 | Inversion type liquid metal sprays printing equipment and Method of printing |
| PCT/CN2017/079474 WO2017173987A1 (en) | 2016-04-05 | 2017-04-05 | Inverted liquid metal spray printing apparatus and printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610204882.2A CN105855551B (en) | 2016-04-05 | 2016-04-05 | Inversion type liquid metal sprays printing equipment and Method of printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855551A CN105855551A (en) | 2016-08-17 |
| CN105855551B true CN105855551B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610204882.2A Active CN105855551B (en) | 2016-04-05 | 2016-04-05 | Inversion type liquid metal sprays printing equipment and Method of printing |
Country Status (2)
| Country | Link |
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| CN (1) | CN105855551B (en) |
| WO (1) | WO2017173987A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855551B (en) * | 2016-04-05 | 2017-11-07 | 北京梦之墨科技有限公司 | Inversion type liquid metal sprays printing equipment and Method of printing |
| CN108067615B (en) * | 2016-11-11 | 2020-03-13 | 北京梦之墨科技有限公司 | Skin circuit printing device and system |
| CN108154645B (en) * | 2016-12-06 | 2020-12-25 | 清华大学 | Flexible positioning circuit and manufacturing method and positioning system thereof |
| CN110774765B (en) * | 2018-07-31 | 2020-11-10 | 北京梦之墨科技有限公司 | Ink supply method of liquid metal ink supply system |
| CN108788343A (en) * | 2018-08-30 | 2018-11-13 | 广东工业大学 | A kind of method and apparatus making electrode using mask constraint liquid metal |
| CN110306219B (en) * | 2019-08-15 | 2021-03-16 | 四川长虹电器股份有限公司 | Metal 3D printer based on electrochemical reaction and printing method thereof |
| CN114312021B (en) * | 2021-12-22 | 2023-08-08 | 中国电子科技集团公司第十八研究所 | Space perovskite battery printing system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105855551A (en) | 2016-08-17 |
| WO2017173987A1 (en) | 2017-10-12 |
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