CN106427234A - 3D conductive writing pen and writing method thereof - Google Patents
3D conductive writing pen and writing method thereof Download PDFInfo
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- CN106427234A CN106427234A CN201510478531.6A CN201510478531A CN106427234A CN 106427234 A CN106427234 A CN 106427234A CN 201510478531 A CN201510478531 A CN 201510478531A CN 106427234 A CN106427234 A CN 106427234A
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- plastic wire
- conduction
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- metallic ink
- lettering pen
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Abstract
The present invention relates to the liquid metal manufacturing field, and especially to a 3D conductive writing pen and the writing method thereof, and especially to a 3D conductive writing pen capable of realizing feedstock of various types of inks at the same time and the writing method thereof. A pen container is internally provided with a feed roller, a plastic wire and a channel for transferring metal ink, and the 3D conductive writing pen realizes the function of feedstock of various types of inks such as plastic and metal at the same time, so that the written 3D structure has plastic flexibility and portability and has metal conductivity; and moreover, the metal ink is filled with nanocrystalline metal particles to change the conduction performance of the writing lines. The writing pen can be directly configured for a 3D printer of the current popular common plastic or polymer wires so as to observably extend the application of the current device, fit for the fields of the teaching, field survival and military action and develop the application range of the routine conductive writing pen.
Description
Technical field
The present invention relates to liquid metal manufactures field, a kind of more particularly, to 3D conduction lettering pen and its
Writing method is and in particular to the 3D conduction feeding to a kind of achievable multiple types ink is write simultaneously
Pen and its Writing method.
Background technology
3D (three dimensional structure) lettering pen is accompanied by the fast development of 3D printing technique and produces
A kind of portable lettering pen delineating three dimensional structure.At present, the 3D occurring on the market writes
The raw material that pen adopts is thermoplastic wire rod, when thermoplastic wire rod is extruded pen container several seconds
It may occur that quick solidification phenomenon after clock, such that it is able to directly write out 3D structure, currently this
Apply 3D lettering pen in teaching and toy art more, to use mainly as teaching aid and toy.
The shortcoming of this 3D lettering pen is that the lines depicted do not have electric conductivity, thus very big journey
Its range is limited on degree.Obviously, if 3D lettering pen enables the lines depicted
There is conducting function, it will significantly expand the purposes of 3D lettering pen, for example, survive in the wild or hold
During row military mission, can make of this 3D lettering pen, repair circuit, or destroy enemy's
Circuit arrangement etc..Meanwhile, this technology can be applied in the water surface, sand ground or aerial realization hook
Draw 3D circuit diagram, there is extremely strong practical application meaning.
With the lasting propulsion from basic research to application, printed electronic school work circle gradually carries
The method and apparatus having gone out direct utilization liquid metal print circuit, the method can quickly form electricity
Road.But, this method there is also certain deficiency, such as due to liquid metal surface tension
Too high, so that spray body and ink process are relative complex.Particularly, current almost institute
Some 3D printing pens are in the course of the work all just for single ink, or i.e. conduction, or being
Insulant, can only realize single function.If can be by liquid metal and traditional plastics or poly-
Compound combines realization and prints simultaneously, then product one side possesses preferable intensity (by moulding
Ensure after material or polymer solidification), on the other hand but also with conductive characteristic (by liquid metal ink
Ensure), then by the notable application category extending existing 3D printing technique.
Therefore, for above deficiency, the invention provides a kind of 3D conduction lettering pen and its write
Method.
Content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to solve existing 3D conduction lettering pen due to using
Liquid metal surface tension is too high and to lead to spray body and ink to process relative complex and existing
3D conduction lettering pen can only realize single ink operation, can only adopt conductive material or insulation
The function of material, is unfavorable for expanding the problem of practical application category.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of 3D conduction lettering pen, should
3D conduction lettering pen includes shell and the feed arrangement being respectively provided at described enclosure and heating dress
Put, the nib that described shell includes pen container and is connected to described pen container lower end, described feed arrangement
Including feeding roller, plastic wire and the passage for conveying metallic ink；
Described heater is fixedly installed on the bottom of described pen container, and described heater is used for
Heat described metallic ink and plastic wire, described feeding roller is used for promoting described plastic wire
Move to described nib direction, described one end for conveying metallic ink passage sequentially passes through institute
State pen container, heater and extend to the end of described nib.
Wherein, described feeding roller be located at described plastic wire both sides, and with plastic wire
Outer wall is tangent；The feeding speed of described feeding roller is 0.5mm/min-300mm/min.
Wherein, described plastic wire is located at the centre of pen container, described logical for conveying metallic ink
The quantity in road is a plurality of, and plurality of passages is located between described plastic wire and pen container.
Wherein, described metallic ink is less than 300 DEG C of low-melting-point metal for fusing point, and in described gold
Belong to and in ink, add nano-metal particle.
Wherein, described heater is set to one or more, the heating work(of described heater
Rate is 5W-200W, and described heater is around being arranged on described metallic ink and plastic wire
Outer ring.
Wherein, the line footpath of described plastic wire is 0.1mm-20mm, and described plastic wire is
Thermoplastic.
Present invention also offers a kind of Writing method of 3D conduction lettering pen, following steps：
S1, the described heater of startup, heat described feed arrangement so that being located at described metal
Ink and plastic wire reach fusing point；
S2, the described feeding roller of startup, promote the described plastic wire after fusing to described nib
Direction is moved, by the plastic wire extrusion nib after fusing, quick solidification；
S3, described metallic ink can form little particle after atomization process, via described nib spray
Overlaying on the plastic wire surface extruded, thus forming metal level in frosting, and then writing
Go out the 3D structure of conduction.
Wherein, in step s3, the atomization process method of described metallic ink be ultrasonic atomizatio or
Aerodynamic atomization.
Wherein, in step s3, the fogdrop diameter after described metallic ink atomization is
0.01μm-200μm.
Wherein, in step s3, the thickness of described metal level is 0.0001mm-5mm.
(3) beneficial effect
The technique scheme of the present invention has the advantage that：3D conduction lettering pen of the present invention passes through
It is provided with feeding roller, plastic wire and the passage for conveying metallic ink inside pen container, real
Material feeding function while having showed the multiple types ink such as plastics and metal, thus the 3D structure write out
Both there is pliability and the portability of plastics, the electric conductivity but also with metal it is adaptable to teaching,
Field survivorship and military operation field, have expanded the range of application of conventional conduction lettering pen.
Brief description
Fig. 1 is the structural representation of embodiment of the present invention 3D conduction lettering pen；
Fig. 2 is the schematic cross-section of embodiment of the present invention 3D conduction lettering pen writing line.
In figure：1：Metallic ink；2：Plastic wire；3：Feeding roller；4：Shell；5：
Heater；6：Metal level 7：Pen container；8：Nib.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, will tie below
Close the embodiment of the present invention in accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by it is clear that described embodiment is a part of embodiment of the present invention, and not
It is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment being obtained on the premise of making creative work, broadly fall into the present invention
The scope of protection.
As Figure 1-Figure 2, a kind of 3D conduction lettering pen provided in an embodiment of the present invention, should
3D conduction lettering pen includes shell 4 and is respectively provided at the feed arrangement within shell 4 and heating dress
Put 5, the nib 8 that shell 4 includes pen container 7 and is connected to pen container 7 lower end, pen container 7 and nib
8 are fixedly connected, and feed arrangement includes feeding roller 3, plastic wire 2 and is used for conveying metallic ink
The passage of water 1；
Heater 5 is fixedly installed on the bottom of pen container 7, and heater 5 is used for heating gold
Belong to ink 1 and plastic wire 2 so that metallic ink 1 and plastic wire 2 to be rapidly achieved it corresponding
Fusing point, feeding roller 3 is used for promoting plastic wire 2 to move to written 8 directions, for defeated
The one end sending metallic ink 1 passage sequentially passes through pen container 7, heater 5 and extends to nib 8
End.
By starting heater 5 so that metallic ink 1 and plastic wire 2 reach fusing point, send
Feed roller 3 promotes plastic wire 2 to move to written 8 directions until extruding nib 8, after extrusion
Plastic wire 2 quick solidification, the heated rear atomization process of metallic ink 1 is little particle, sprays
In the frosting of solidification, thus write out the 3D structure of conduction.
Feeding roller 3 is located at the both sides of plastic wire 2, and that is, two feeding rollers 3 are respectively provided at
It is close on the outer wall of plastic wire 2, and tangent with the outer wall of plastic wire 2；Feeding roller 3
Feeding speed be 0.5mm/min-300mm/min.
Plastic wire 2 is located at the centre of pen container 7, and that is, plastic wire 2 is arranged on pen container 7 and pen
8 center, conveniently writes 3D structure, the quantity for conveying metallic ink 1 passage is
A plurality of, plurality of passages is located between described plastic wire 2 and pen container 7, and plurality of passages enables
The function that multiple types ink feeds simultaneously.
Metallic ink 1 is less than 300 DEG C of low-melting-point metal for fusing point, is gallium, gallium-base alloy, indium
One or more of based alloy, bismuth-base alloy, and add nanometer in described metallic ink 1
Metallic particles, can change the electric conductivity of writing line.
Heater 5 is set to one or more, can change heater 5 according to processing technique
Quantity, the heating power of heater 5 is 5W-200W, and heater 5 is around setting
In the outer ring of metallic ink 1 and plastic wire 2, so that metallic ink 1 and plastic wire 2 can be made
It is rapidly achieved its corresponding fusing point.
The line footpath of plastic wire 2 is 0.1mm-20mm, and plastic wire 2 is thermoplastic,
There are the physical characteristics of heating and softening, hardening by cooling.
Present invention also offers a kind of Writing method of 3D conduction lettering pen, following steps：
S1, startup heater 5, the metallic ink 1 in heating feed arrangement and plastic wire 2,
So that the metallic ink 1 being located at nib and plastic wire 2 reach fusing point, it is the book of next step
Do the homework and prepare；
S2, startup feeding roller 3, promote the plastic wire 2 after fusing to move to written 8 directions,
And by fusing after plastic wire 2 extrude nib 8 so that extrusion plastic wire 2 after cooling
Quick solidification；
S3, metallic ink 1 can form small metal particles after atomization process, via nib 8 spray
Overlay on plastic wire 2 surface extruded, thus forming metal level 6, Jin Ershu in frosting
Write out the 3D structure with conducting function.
In step s3, the atomization process method of metallic ink 1 is ultrasonic atomizatio or aerodynamic atomization,
Small metal particles mist amount after atomization is big, droplet is little and uniform, after metallic ink 1 atomization
Fogdrop diameter is 0.01 μm -200 μm, and the thickness of metal level 6 is 0.0001mm-5mm.
The 3D conduction lettering pen of the present invention and its specific work process of Writing method are：Start and add
Thermal 5, the metallic ink 1 in heating feed arrangement and plastic wire 2 are so that be located at nib
The metallic ink 1 at place and plastic wire 2 reach fusing point；Start feeding roller 3, after promoting fusing
Plastic wire 2 to written 8 directions move, and by fusing after plastic wire 2 extrude nib 8,
So that plastic wire 2 quick solidification after cooling of extrusion；Metallic ink 1 is after atomization process
Small metal particles can be formed, spray on plastic wire 2 surface extruded via nib 8, from
And form metal level 6 in frosting, and then write out the 3D structure with conducting function.
In sum, 3D of the present invention conduction lettering pen pass through to be provided with inside pen container feeding roller,
Plastic wire and for conveying the passage of metallic ink it is achieved that the multiple types such as plastics and metal are black
Material feeding function while water, thus the 3D structure write out had both had the pliability of plastics and light
Property, but also with the electric conductivity of metal, in metallic ink, in addition add nano-metal particle, can
Change the electric conductivity of writing line, the lettering pen of the present invention is used directly for the currently prevailing
Common plasticses or the 3D printer of polymer wire rod, thus significantly extend the use of existing weaponry and equipment
On the way, it is simultaneously applicable to teaching, field survivorship and military operation field, expanded conventional conduction
The range of application of lettering pen.
Finally it should be noted that：Above example only in order to technical scheme to be described, and
Non- it is limited；Although being described in detail to the present invention with reference to the foregoing embodiments, ability
The those of ordinary skill in domain should be understood：It still can be to the skill described in foregoing embodiments
Art scheme is modified, or carries out equivalent to wherein some technical characteristics；And these are repaiied
Change or replace, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (10)
1. a kind of 3D conduction lettering pen it is characterised in that：Including shell (4) be respectively provided at
The internal feed arrangement of described shell (4) and heater (5), described shell (4) includes
Pen container (7) and the nib (8) being connected to described pen container (7) lower end, described feed arrangement bag
Include feeding roller (3), plastic wire (2) and be used for conveying the passage of metallic ink (1)；
Described heater (5) is fixedly installed on the bottom of described pen container (7), and described plus
Thermal (5) is used for heating described metallic ink (1) and plastic wire (2), described feeding
Cylinder (3) is used for promoting described plastic wire (2) to move to described nib (8) direction, institute
State and sequentially pass through described pen container (7), heating dress for the one end conveying metallic ink (1) passage
Put (5) and extend to the end of described nib (8).
2. 3D according to claim 1 conduction lettering pen it is characterised in that：Described send
Feed roller (3) is located at the both sides of described plastic wire (2), and outer with plastic wire (2)
Wall is tangent；The feeding speed of described feeding roller (3) is 0.5mm/min-300mm/min.
3. 3D according to claim 1 conduction lettering pen it is characterised in that：Described mould
Stockline material (2) be located at pen container (7) centre, described for conveying metallic ink (1) passage
Quantity be a plurality of, plurality of passages be located between described plastic wire (2) and pen container (7).
4. 3D according to claim 1 conduction lettering pen it is characterised in that：Described gold
Belong to the low-melting-point metal that ink (1) is less than 300 DEG C for fusing point, and in described metallic ink (1)
Middle interpolation nano-metal particle.
5. 3D according to claim 1 conduction lettering pen it is characterised in that：Described plus
Thermal (5) is set to one or more, and the heating power of described heater (5) is
5W-200W, and described heater (5) is around being arranged on described metallic ink (1) and mould
The outer ring of stockline material (2).
6. 3D according to claim 1 conduction lettering pen it is characterised in that：Described mould
The line footpath of stockline material (2) is 0.1mm-20mm, and described plastic wire (2) is thermoplasticity
Plastics.
7. a kind of 3D conduction the writing of lettering pen according to any one of claim 1-6
Method is it is characterised in that following steps：
S1, the described heater of startup (5), heat described feed arrangement so that being located at described
Metallic ink (1) and plastic wire (2) reach fusing point；
S2, start described feeding roller (3), promote fusing after described plastic wire (2) to
Described nib (8) direction is moved, will be written (8) for plastic wire (2) extrusion after fusing,
Quick solidification；
S3, described metallic ink (1) can form little particle, via described pen after atomization process
Head (8) sprays on plastic wire (2) surface extruded, thus forming gold in frosting
Belong to layer (6), and then write out the 3D structure of conduction.
8. the Writing method of 3D conduction lettering pen according to claim 7, its feature exists
In：In step s3, the atomization process method of described metallic ink (1) be ultrasonic atomizatio or
Aerodynamic atomization.
9. the Writing method of the 3D conduction lettering pen according to claim 7 or 8, it is special
Levy and be：In step s3, the fogdrop diameter after described metallic ink (1) atomization is
0.01μm-200μm.
10. the Writing method of 3D conduction lettering pen according to claim 7, its feature exists
In：In step s3, the thickness of described metal level (6) is 0.0001mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478531.6A CN106427234B (en) | 2015-08-06 | 2015-08-06 | A kind of 3D conductions lettering pen and its Writing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478531.6A CN106427234B (en) | 2015-08-06 | 2015-08-06 | A kind of 3D conductions lettering pen and its Writing method |
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| Publication Number | Publication Date |
|---|---|
| CN106427234A true CN106427234A (en) | 2017-02-22 |
| CN106427234B CN106427234B (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510478531.6A Active CN106427234B (en) | 2015-08-06 | 2015-08-06 | A kind of 3D conductions lettering pen and its Writing method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8827684B1 (en) * | 2013-12-23 | 2014-09-09 | Radiant Fabrication | 3D printer and printhead unit with multiple filaments |
| CN204398330U (en) * | 2014-12-01 | 2015-06-17 | 葛建辉 | A kind of 3D drawing pen |
-
2015
- 2015-08-06 CN CN201510478531.6A patent/CN106427234B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8827684B1 (en) * | 2013-12-23 | 2014-09-09 | Radiant Fabrication | 3D printer and printhead unit with multiple filaments |
| CN204398330U (en) * | 2014-12-01 | 2015-06-17 | 葛建辉 | A kind of 3D drawing pen |
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| Publication number | Publication date |
|---|---|
| CN106427234B (en) | 2017-12-08 |
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