CN105855540B - A kind of liquid metal printing device - Google Patents
A kind of liquid metal printing device Download PDFInfo
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- CN105855540B CN105855540B CN201610224283.7A CN201610224283A CN105855540B CN 105855540 B CN105855540 B CN 105855540B CN 201610224283 A CN201610224283 A CN 201610224283A CN 105855540 B CN105855540 B CN 105855540B
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- liquid metal
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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
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
The present invention discloses a kind of liquid metal printing device.The equipment includes：Liquid metal printing mechanism；Substrate motion mechanism, is connected with liquid metal printing mechanism；Voltage pulse regulating and controlling mechanism, is connected with liquid metal printing mechanism and substrate motion mechanism；Control device, is connected with liquid metal printing mechanism, substrate motion mechanism, and voltage pulse regulating and controlling mechanism.The present invention is directed to low viscosity, the liquid metal ink of high surface tension, not only increases the wetability between the printing precision and liquid metal and substrate of liquid metal pattern, but also can realize plane printing and space 3D printing.
Description
Technical field
The present invention relates to printed circuit and printed electronic device fabrication arts, in particular it relates to which a kind of liquid metal is printed
Equipment.
Background technology
One key factor of restriction printed electronics development is the development of printed electronic material, traditional conductive ink
Water has carbon series conductive material, conducting polymer and metal nano material.Liquid metal has metalline and fluid properties fusing point concurrently.
Low-melting alloy less than 300 DEG C could be configured as electric ink.Compared with other conductive inks, liquid metal ink
Cost is relatively low, and physicochemical properties are stable, conductance is of a relatively high, and conducting wire is formed without post processing.
Be different from conventional printed circuit and take processing method, liquid metal ink can by miniflow Dow process, cover
The direct quick Fabrication circuit of the mode such as embrane method, marking method, micro- contact impact system, direct write method, 3D printing method.But, due to liquid
Metallic ink is the fluid of a kind of low viscosity, high surface tension, therefore, existing method which kind of all can printing precision,
Liquid metal with it is substrate wetting in terms of have certain the problem of.For example, miniflow Dow process is not suitable for the circuit of complexity, and
Because surface tension is big, very big injection pressure is applied to needs during fluid channel injection liquid metal, thus determines fluid channel
The circuit limited precision of method printing；Mask method equally needs to make mould with miniflow Dow process, wastes time and energy, and the pattern warp made
Often there is the problems such as edge blurry, circuit disconnect；The pattern accuracy that marking method makes is limited, and line is highly non-uniform；Micro- contact
Impact system speed is very slow, and equally exists the problem of pattern accuracy is limited；Existing liquid metal 3D printing method is heavy using microballoon
Area method, speed is very slow, and the pattern accuracy formed is very low；Direct write method need not make template, and CN104118222A is proposed
A kind of liquid metal stylus printing equipment and Method of printing, realize that circuit is fast printed by direct writing means, but are due to printing
The surface tension of liquid metal ink change little, therefore circuit limited precision, when pinhole aperture reduces, liquid metal is black
The water capacity easily blocks nib, it is impossible to print submicron-scale pattern, and the equipment is not suitable for printing 3D patterns.
The content of the invention
It is an object of the invention to provide a kind of liquid metal printing device.The equipment is directed to low viscosity, high surface tension
Liquid metal ink, not only increase the wetability between the printing precision and liquid metal and substrate of liquid metal pattern,
But also plane printing and space 3D printing can be realized.
To achieve these goals, the present invention provides a kind of liquid metal printing device.The equipment includes：
Liquid metal printing mechanism, substrate motion mechanism, voltage pulse regulating and controlling mechanism and control device,
The liquid metal printing mechanism, for liquid metal ink jet to be printed in printed substrates；
The substrate motion mechanism, is connected with the liquid metal printing mechanism, for carrying the printed substrates, and root
The first control instruction sent according to the control device makes corresponding motion, to adjust the locus of the printed substrates；
The voltage pulse regulating and controlling mechanism, is connected with the liquid metal printing mechanism and the substrate motion mechanism, uses
In the second control instruction sent according to the control device be the liquid metal printing mechanism and the substrate motion mechanism
Voltage pulse needed for providing；
The control device, is adjusted with the liquid metal printing mechanism, the substrate motion mechanism, and the voltage pulse
Mechanism connection is controlled, for controlling the liquid metal printing mechanism, the substrate motion mechanism according to the information of input, and it is described
Voltage pulse regulating and controlling mechanism.
Alternatively, the liquid metal printing mechanism includes：
Liquid metal print cartridge, for storing the liquid metal ink；
Printhead, is connected with the outlet at bottom of the liquid metal print cartridge；
Electrode assembly, is connected with the positive pole of the voltage pulse regulating and controlling mechanism, for causing in the liquid metal print cartridge
Liquid metal ink become positively charged lotus；
Pressue device, is arranged on the liquid metal print cartridge, for the 3rd control sent according to the control device
Instruction provides pressure so that the liquid metal ink in the liquid metal print cartridge is moved downward, and from the printhead jet
On to the printed substrates.
Alternatively, the liquid metal printing mechanism also includes：
On heat-insulation layer, the outer surface for being arranged at the liquid metal print cartridge, for keeping in the liquid metal print cartridge
Temperature.
Wherein, the liquid metal printing mechanism also includes：
Heating member, is arranged on the liquid metal print cartridge；
Temperature sensor, is arranged in the liquid metal print cartridge, the temperature value for measuring the liquid metal ink；
Controller, is connected with the heating member and the control device, for according to the control device according to the liquid
The 4th control instruction that the temperature value of state metallic ink is produced controls the heating member to the liquid in the liquid metal print cartridge
Metallic ink is heated so that the temperature of the liquid metal ink reaches preset temperature.
Alternatively, the heating member be resistance heating wire or magnet coil,
The resistance heating wire is arranged inside the liquid metal print cartridge and the printhead, by liquid metal ink
The bottom of the printhead is extended at the top of box；
The magnet coil is wrapped in the outer surface of the liquid metal print cartridge and the printhead, by the liquid metal
The bottom of the printhead is extended at the top of print cartridge.
Alternatively, the electrode assembly be electrode catheter or metal electrode ring,
The electrode catheter is arranged in the liquid metal print cartridge；
The metal electrode ring is arranged on the side wall of the printhead.
Alternatively, the substrate motion mechanism includes：
Metallic plate, is connected with the negative pole of the voltage pulse regulating and controlling mechanism, for fixing the printed substrates；
Objective table, for carrying the metallic plate；
Three-axis moving mechanism, is connected with the control device, and the first control for being sent according to the control device refers to
Order moves the objective table in X-direction, Y direction and Z-direction, so as to adjust the printed substrates and liquid gold
Belong to the relative space position of printhead in printing mechanism.
Alternatively, the voltage pulse regulating and controlling mechanism includes：
Voltage source, for providing the voltage needed for the liquid metal printing device；
Voltage regulating device, is connected with the voltage source, for the second control instruction sent according to the control device
Adjust the voltage pulse of output；
Wherein, the positive pole of the voltage regulating device is connected with the electrode assembly in the liquid metal printing mechanism, institute
The negative pole for stating voltage regulating device is connected with the metallic plate in the substrate motion mechanism.
Alternatively, the liquid metal ink is at least one of following：
Gallium, indium, tin, gallium-indium alloy, gallium-indium-tin alloy, gallium tin alloy, gallium kirsite, gallium indium kirsite, gallium red brass,
Gallium indium red brass, gallium tin cadmium alloy, gallium Zn-Cd alloy, bismuth indium alloy, bismuth tin alloy, bismuth indium stannum alloy, bismuth indium kirsite, bismuth
Red brass, bismuth indium red brass, leypewter, gun-metal, tin pltine, SAC, bismuth terne metal, and
Metal or alloy and all kinds of electrical-conductive nanometers or the mixture of micron particles.
Alternatively, the material of the printed substrates includes at least one of following：
Polyethylene, polyvinyl chloride, polypropylene, polyimides, polystyrene, makrolon, polyether-ether-ketone, polymethyl
Sour methyl esters, PET, epoxy resin, acrylonitrile-butadiene-styrene copolymer, PLA, polyethylene
Alcohol, dimethyl silicone polymer, silica gel, rubber, paper, glass, ceramics, cloth, timber, solid metal and alloy.
Alternatively, the printing type of the liquid metal printing device includes at least one of following：
Plane printing, irregular substrate printing and space 3D printing.
By above-mentioned technical proposal, apply voltage arteries and veins between the metallic plate below liquid metal ink and printed substrates
Punching so that liquid metal ink reduces surface tension in the presence of electric field force, from printhead in the way of electrified jet stream
Go out, and form in printed substrates pattern.Printhead internal diameter is smaller, and the liquid metal ink jet of outflow also can be thinner, can be with
Realize the other printing precision of submicron order, thus solve low viscosity, the liquid metal ink of high surface tension can not be from aperture
The problem of footpath printhead sprays, improves the printing precision of liquid metal pattern.Further, since liquid metal ink and metal plate and belt
Have electrostatic charge, when liquid metal ink jet is in printed substrates, due to the presence of electrostatic charge, improve liquid metal ink with
Wetability between printed substrates.
In addition, the size of the voltage pulse by adjusting output, changes to make up printhead with printed substrates vertical range
The change brought, it is possible to achieve space 3D printing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described.It should be evident that drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these figures.
Fig. 1 is the structural representation for the liquid metal printing device that one embodiment of the invention is provided；
Fig. 2 is the structural representation of the liquid metal printing mechanism for the liquid metal printing device that one embodiment of the invention is provided
Figure；
Fig. 3 is the structural representation of the liquid metal printing mechanism for the liquid metal printing device that one embodiment of the invention is provided
Figure；
Fig. 4 is the print procedure schematic diagram for the liquid metal printing device that one embodiment of the invention is provided.
Description of reference numerals
The voltage pulse regulating and controlling mechanism of 1 liquid metal printing mechanism, 2 substrate motion mechanism 3
The bindiny mechanism of 4 control device, 21 metallic plate, 22 objective table 23
The printhead of 24 three-axis moving mechanism, 11 liquid metal print cartridge, 12 heat-insulation layer 13
The pressue device of 141 magnet coil, 142 electromagnetic controller, 15 temperature sensor 16
The metal electrode ring of 17 electrode catheter 18
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation for the liquid metal printing device that one embodiment of the invention is provided.As shown in figure 1, this hair
The liquid metal printing device that a bright embodiment is provided includes：Liquid metal printing mechanism 1, substrate motion mechanism 2, voltage pulse
Regulating and controlling mechanism 3 and control device 4, the liquid metal printing mechanism 1, for by liquid metal ink jet in printed substrates
It is upper to be printed；The substrate motion mechanism 2, is connected with the liquid metal printing mechanism 1, for carrying the printing base
Bottom, and the first control instruction sent according to the control device makes corresponding motion, to adjust the sky of the printed substrates
Between position；The voltage pulse regulating and controlling mechanism 3, is connected with the liquid metal printing mechanism 1 and the substrate motion mechanism 2,
The second control instruction for being sent according to the control device is the liquid metal printing mechanism and the substrate motion machine
Structure provides required voltage pulse；The control device 4, and the liquid metal printing mechanism 1, the substrate motion mechanism 2,
And the voltage pulse regulating and controlling mechanism 3 is connected, for controlling the liquid metal printing mechanism, the base according to the information of input
Plate movement mechanism, and the voltage pulse regulating and controlling mechanism.
In a particular embodiment, the liquid metal mechanism 1 includes：Liquid metal print cartridge, for storing the liquid
State metallic ink；Printhead, is connected with the outlet at bottom of the liquid metal print cartridge；Electrode assembly, is adjusted with the voltage pulse
The positive pole connection of mechanism is controlled, for causing the liquid metal ink in the liquid metal print cartridge to become positively charged lotus；Pressue device,
It is arranged on the liquid metal print cartridge, the 3rd control instruction for being sent according to the control device provides pressure so that
Liquid metal ink in the liquid metal print cartridge is moved downward, and from the printhead jet to the printed substrates.
Wherein, the electrode assembly is electrode catheter or metal electrode ring.It is the electrode catheter in the electrode assembly
In the case of, the electrode catheter is arranged in the liquid metal print cartridge.It is the metal electrode ring in the electrode assembly
In the case of, the metal electrode ring is arranged on the side wall of the printhead.
Preferably, the liquid metal printing mechanism 1 also includes：Heat-insulation layer, is arranged at the outer of the liquid metal print cartridge
On surface, for keeping the temperature in the liquid metal print cartridge.Thereby, the speed of temperature drop in liquid metal box can be slowed down
Degree.
Preferably, the liquid metal printing mechanism 1 also includes：Heating member, is arranged on the liquid metal print cartridge；Temperature
Sensor is spent, is arranged in the liquid metal print cartridge, the temperature value for measuring the liquid metal ink；Controller, with
The heating member and control device connection, for according to temperature value of the control device according to the liquid metal ink
The 4th control instruction produced controls the heating member to heat the liquid metal ink in the liquid metal print cartridge, makes
The temperature for obtaining the liquid metal ink reaches preset temperature.Thereby, it can be ensured that liquid metal ink begins in print procedure
Liquid is in eventually and temperature is constant.
Wherein, the heating member is resistance heating wire or magnet coil.In the situation that the heating member is resistance heating wire
Under, the resistance heating wire is arranged inside the liquid metal print cartridge and the printhead, by the liquid metal print cartridge
Top extends to the bottom of the printhead.In the case where the heating member is magnet coil, the magnet coil is wrapped in
The outer surface of the liquid metal print cartridge and the printhead, the printhead is extended at the top of the liquid metal print cartridge
Bottom.
In a particular embodiment, the substrate motion mechanism 2 includes：Metallic plate 21, regulates and controls with the voltage pulse
The negative pole connection of mechanism 3, for fixing the printed substrates；Objective table 22, for carrying the metallic plate；Three-axis moving mechanism
24, it is connected with the control device 4, for the first control instruction for being sent according to the control device in X-direction, Y-axis side
To and Z-direction move the objective table, so as to adjust the printed substrates with being printed in the liquid metal printing mechanism
The relative space position of head.
Wherein, the equipment also includes：Bindiny mechanism 23, for connecting the liquid metal printing mechanism 1 and the base
Plate movement mechanism 2.
In specific application, the voltage pulse regulating and controlling mechanism 3 includes：Voltage source, for providing the liquid metal
Voltage needed for printing device；Voltage regulating device, is connected with the voltage source, for sent according to the control device
The voltage pulse of two control instructions adjustment output；Wherein, the positive pole of the voltage regulating device and the liquid metal printer
Electrode assembly connection in structure, the negative pole of the voltage regulating device is connected with the metallic plate in the substrate motion mechanism.
Preferably, the printing type of the liquid metal printing device includes at least one of following：Plane is printed, no
Regular substrate printing and space 3D printing.When carrying out space 3D printing, the size of the voltage pulse by adjusting output is come
Make up printhead and change brought change with printed substrates vertical range.
Wherein, the liquid metal ink be low-melting-point metal or alloy of the fusing point below 300 degrees Celsius, such as gallium, indium,
The low-melting-point metal or alloy of the low-melting-point metal such as tin, bismuth, lead, cadmium element composition, such as gallium, indium, tin, gallium-indium alloy, gallium indium tin
Alloy, gallium tin alloy, gallium kirsite, gallium indium kirsite, gallium red brass, gallium indium red brass, gallium tin cadmium alloy, gallium zinc cadmium are closed
Gold, bismuth indium alloy, bismuth tin alloy, bismuth indium stannum alloy, bismuth indium kirsite, bismuth red brass, bismuth indium red brass, leypewter,
Gun-metal, tin pltine, SAC, bismuth terne metal etc., in addition to these metal or alloy are received with all kinds of conductions
One or more in the mixture of rice or micron particles.
Wherein, the material of printed substrates includes high molecular polymer, such as polyethylene (PE), polyvinyl chloride (PVC), polypropylene
(PP), polyimides (PI), polystyrene (PS), makrolon (PC), polyether-ether-ketone (PEEK), polymethyl methacrylate
(PMMA), PET (PET), epoxy resin (EP), acrylonitrile-butadiene-styrene copolymer (ABS),
PLA (PLA), polyvinyl alcohol (PVA), dimethyl silicone polymer (PDMS) and all kinds of silica gel, rubber etc., also including paper, glass
Glass, ceramics, cloth, timber or solid metal and alloy etc..
The present embodiment between the metallic plate below liquid metal ink and printed substrates by applying voltage pulse so that
Liquid metal ink reduces surface tension in the presence of electric field force, is flowed out from printhead in the way of electrified jet, and
Pattern is formed in printed substrates.Printhead internal diameter is smaller, and the liquid metal ink jet of outflow also can be thinner, it is possible to achieve sub-micro
The other printing precision of meter level, thus solve low viscosity, the liquid metal ink of high surface tension can not be from small-bore printhead
The problem of ejection, improve the printing precision of liquid metal pattern.Further, since liquid metal ink and metallic plate carry electrostatic
Lotus, when liquid metal ink jet is in printed substrates, due to the presence of electrostatic charge, improves liquid metal ink and printing base
Wetability between bottom.In addition, by adjust output voltage pulse size, come make up printhead it is vertical with printed substrates away from
The change brought from change, it is possible to achieve space 3D printing.
Fig. 2 is the structural representation of the liquid metal printing mechanism for the liquid metal printing device that one embodiment of the invention is provided
Figure.As shown in Fig. 2 liquid metal printing mechanism 1 includes liquid metal print cartridge 11, for storing liquid metallic ink；Heat-insulation layer
12, on the outer surface for being wrapped in liquid metal print cartridge 11；Printhead 13, is stainless steel for forming liquid metal jet,
It is connected with the bottom end outlet of liquid metal print cartridge 11；Magnet coil 141 and electromagnetic controller 142, wherein, magnet coil 141
It is wrapped in outside heat-insulation layer 12, for heating liquid metal ink, it is kept liquid；Temperature sensor 15, is placed in the liquid
Inside metal print cartridge 11, the temperature for measuring liquid metal ink；Pressue device 16, for promoting liquid metal ink downward
Electromagnetic pump is used in motion, the present embodiment.In addition, the electrode catheter 17 of connection voltage regulating device positive pole is placed in the liquid gold
Belong in print cartridge 11, with liquid metal contacts ink.Wherein, the liquid metal ink that the present embodiment is used is gallium of the fusing point at 15 DEG C
Indium alloy, therefore, the liquid metal print cartridge 11 of liquid metal printing mechanism 1 need not be heated in the present embodiment.Wherein, this reality
It is polyvinyl chloride (PVC) that example, which is applied, using base material.
In use, selection plane printing type, the pattern generation print command that will be printed is transferred in control device 4.
Then, PVC substrates are fixed on metallic plate 21, cut-in voltage source switch.Start printing, the meeting of control device 4 after ready
Control pressue device 16 applies pressure to liquid metal ink first so that printhead 13 has a small amount of liquid metal ink to flow out.
When liquid metal contacts ink is to printed substrates, control device 4 is according to each portion of instruction control base board motion 2 received
The sequence of voltage pulses that part is moved and voltage pulse regulating and controlling mechanism 3 is exported.Fig. 4 is the liquid gold that one embodiment of the invention is provided
Belong to the print procedure schematic diagram of printing device.As shown in figure 4, under electrostatic interaction, liquid metal ink flows from printhead 13
Go out, so as to print liquid metal line in printed substrates.
Fig. 3 is the structural representation of the liquid metal printing mechanism for the liquid metal printing device that one embodiment of the invention is provided
Figure.As shown in figure 3, the structure from liquid metal printing mechanism 1 unlike Fig. 2.The side wall of printhead 13 is a circle metal electrode
Ring 18, connects the positive pole of voltage regulating device, therefore when liquid metal ink is flowed into printhead under the effect of pressue device 16
When, liquid metal ink is positively charged.
When liquid metal ink is bismuth indium stannum alloy, liquid metal print cartridge 11 needs heating.During printing, filled according to control
The heating-up temperature for the instruction setting liquid metal ink put, it is golden in liquid metal print cartridge 11 liquid by magnet coil 141
Category ink is heated, by the monitoring temperature of temperature sensor 15, and feedback temperature information, so that regulate and control electromagnetic controller 142,
Ensure that liquid metal ink is in liquid all the time in print procedure and temperature is constant.
In the case where heating member is resistance heating wire, resistance heating wire extends at the top of liquid metal print cartridge cavity volume
The bottom of liquid metal print cartridge cavity volume, during extension, the flexible extension of resistance heating wire, to increase and liquid metal ink
Contact area.Thus, it is ensured that liquid metal ink is in liquid all the time in print procedure and temperature is constant.
In actual application, the method using the progress pattern printing of liquid metal printing device is also related to, including with
Lower step：
(1) printing type is selected；
(2) material of printed substrates is selected；
(3) print pattern, the instruction of generation control printing device are parsed；
Control device receives instruction, and controls the pressure and temperature of the liquid metal printing mechanism, substrate motion accordingly
The motion of each part of mechanism, the sequence of voltage pulses of voltage pulse regulating and controlling mechanism, realize that pattern is printed.When printing initial, control
Device can control pressue device to apply pressure to liquid metal ink first so that printhead has a small amount of liquid metal ink stream
Go out, when liquid metal contacts ink is to printed substrates, under electrostatic interaction, lines can be drawn with the motion of substrate.
The present invention is not limited to liquid metal ink, equally applicable for other conductor fluids.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of liquid metal printing device, it is characterised in that the equipment includes：
Liquid metal printing mechanism, substrate motion mechanism, voltage pulse regulating and controlling mechanism and control device,
The liquid metal printing mechanism, for liquid metal ink jet to be printed in printed substrates；
The substrate motion mechanism, is connected with the liquid metal printing mechanism, for carrying the printed substrates, and according to institute
The first control instruction for stating control device transmission makes corresponding motion, to adjust the locus of the printed substrates；
The voltage pulse regulating and controlling mechanism, is connected with the liquid metal printing mechanism and the substrate motion mechanism, for root
The second control instruction sent according to the control device is that the liquid metal printing mechanism and the substrate motion mechanism are provided
Required voltage pulse；
The control device, with the liquid metal printing mechanism, the substrate motion mechanism, and voltage pulse regulation and control machine
Structure is connected, for controlling the liquid metal printing mechanism, the substrate motion mechanism, and the voltage according to the information of input
Pulse regulating and controlling mechanism.
2. liquid metal printing device according to claim 1, it is characterised in that the liquid metal printing mechanism bag
Include：
Liquid metal print cartridge, for storing the liquid metal ink；
Printhead, is connected with the outlet at bottom of the liquid metal print cartridge；
Electrode assembly, is connected with the positive pole of the voltage pulse regulating and controlling mechanism, for causing the liquid in the liquid metal print cartridge
State metallic ink becomes positively charged lotus；
Pressue device, is arranged on the liquid metal print cartridge, for the 3rd control instruction sent according to the control device
There is provided pressure so that the liquid metal ink in the liquid metal print cartridge is moved downward, and from the printhead jet to institute
State in printed substrates.
3. liquid metal printing device according to claim 2, it is characterised in that the liquid metal printing mechanism is also wrapped
Include：
On heat-insulation layer, the outer surface for being arranged at the liquid metal print cartridge, for keeping the temperature in the liquid metal print cartridge；
Wherein, the liquid metal printing mechanism also includes：
Heating member, is arranged on the liquid metal print cartridge；
Temperature sensor, is arranged in the liquid metal print cartridge, the temperature value for measuring the liquid metal ink；
Controller, is connected with the heating member and the control device, for golden according to the liquid according to the control device
The 4th control instruction for belonging to the temperature value generation of ink controls the heating member to the liquid metal in the liquid metal print cartridge
Ink is heated so that the temperature of the liquid metal ink reaches preset temperature.
4. liquid metal printing device according to claim 3, it is characterised in that the heating member be resistance heating wire or
Magnet coil,
The resistance heating wire is arranged inside the liquid metal print cartridge and the printhead, by the liquid metal print cartridge
Top extends to the bottom of the printhead；
The magnet coil is wrapped in the outer surface of the liquid metal print cartridge and the printhead, by the liquid metal print cartridge
Top extend to the bottom of the printhead.
5. liquid metal printing device according to claim 2, it is characterised in that the electrode assembly be electrode catheter or
Metal electrode ring,
The electrode catheter is arranged in the liquid metal print cartridge；
The metal electrode ring is arranged on the side wall of the printhead.
6. liquid metal printing device according to claim 1, it is characterised in that the substrate motion mechanism includes：
Metallic plate, is connected with the negative pole of the voltage pulse regulating and controlling mechanism, for fixing the printed substrates；
Objective table, for carrying the metallic plate；
Three-axis moving mechanism, is connected with the control device, for the first control instruction for being sent according to the control device in X
Direction of principal axis, Y direction and Z-direction move the objective table, are beaten so as to adjust the printed substrates with the liquid metal
The relative space position of printhead in printing mechanism.
7. liquid metal printing device according to claim 1, it is characterised in that the voltage pulse regulating and controlling mechanism bag
Include：
Voltage source, for providing the voltage needed for the liquid metal printing device；
Voltage regulating device, is connected with the voltage source, and the second control instruction for being sent according to the control device is adjusted
The voltage pulse of output；
Wherein, the positive pole of the voltage regulating device is connected with the electrode assembly in the liquid metal printing mechanism, the electricity
The negative pole of pressure regulation device is connected with the metallic plate in the substrate motion mechanism.
8. the liquid metal printing device according to any one claim in claim 1-7, it is characterised in that described
Liquid metal ink is at least one of following：
Gallium, indium, tin, gallium-indium alloy, gallium-indium-tin alloy, gallium tin alloy, gallium kirsite, gallium indium kirsite, gallium red brass, gallium indium
Red brass, gallium tin cadmium alloy, gallium Zn-Cd alloy, bismuth indium alloy, bismuth tin alloy, bismuth indium stannum alloy, bismuth indium kirsite, bismuth tin zinc
Alloy, bismuth indium red brass, leypewter, gun-metal, tin pltine, SAC, bismuth terne metal, and metal
Or alloy and all kinds of electrical-conductive nanometers or the mixture of micron particles.
9. the liquid metal printing device according to claim 1-7 any one claims, it is characterised in that described to beat
Substrates printed material includes at least one of following：
Polyethylene, polyvinyl chloride, polypropylene, polyimides, polystyrene, makrolon, polyether-ether-ketone, poly-methyl methacrylate
It is ester, PET, epoxy resin, acrylonitrile-butadiene-styrene copolymer, PLA, polyvinyl alcohol, poly-
Dimethyl siloxane, silica gel, rubber, paper, glass, ceramics, cloth, timber, solid metal and alloy.
10. the liquid metal printing device according to any one claim in claim 1-7, it is characterised in that institute
The printing type of liquid metal printing device is stated including at least one of following：
Plane printing, irregular substrate printing and space 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224283.7A CN105855540B (en) | 2016-04-12 | 2016-04-12 | A kind of liquid metal printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224283.7A CN105855540B (en) | 2016-04-12 | 2016-04-12 | A kind of liquid metal printing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855540A CN105855540A (en) | 2016-08-17 |
| CN105855540B true CN105855540B (en) | 2017-10-17 |
Family
ID=56636621
Family Applications (1)
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| CN201610224283.7A Active CN105855540B (en) | 2016-04-12 | 2016-04-12 | A kind of liquid metal printing device |
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Denomination of invention: Liquid metal printing device Effective date of registration: 20180927 Granted publication date: 20171017 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING MENGZHIMO TECHNOLOGY CO., LTD. Registration number: 2018990000828 |
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Date of cancellation: 20191226 Granted publication date: 20171017 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING MENGZHIMO TECHNOLOGY CO., LTD. Registration number: 2018990000828 |