CN105150532B - Ink-jet 3D printing method - Google Patents
Ink-jet 3D printing method Download PDFInfo
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- CN105150532B CN105150532B CN201510532331.4A CN201510532331A CN105150532B CN 105150532 B CN105150532 B CN 105150532B CN 201510532331 A CN201510532331 A CN 201510532331A CN 105150532 B CN105150532 B CN 105150532B
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Abstract
The present invention relates to a kind of ink-jet 3D printing methods, this method is in each layer while jet body ink material and support ink material, after volatile solvent volatilizees, co-curing insoluble high molecular polymer, dissolvable high molecular polymer are two-dimensional section figure, it is finished when each layer cures, forms the model after curing.The model after curing is soaked in lytic agent again, after the dissolvable high molecular polymer in ink material is supported to dissolve, you can obtain the threedimensional model formed by the insoluble high molecular polymer in main body ink material.The ink-jet 3D printing method utilizes the form ink-jet of drop, printing precision is high, and can print form threedimensional model at low temperature, not only prints at low cost, and high-temperature fusion can be avoided to cause to damage to the performance of high molecular material, so as to improve the mechanical property of threedimensional model.
Description
Technical field
The present invention relates to Plastic 3D printing technique field, more particularly to a kind of ink-jet 3D printing method.
Background technology
At present, Plastic 3D printing technique is broadly divided into two class of melted extrusion modeling and photocuring 3D printing technique.
Wherein, heating thermoplastic material is made it be melt into silk by melted extrusion modeling 3D printing technique, then by it from nozzle
It squeezes out, is deposited in forming surface and is molded.Photocuring 3D printing technique makes photo-curing material using the laser of specific wavelength and intensity
It solidifies layer by layer, so as to printing shaping.
However, melted extrusion modeling 3D printing technique precision is limited, generally higher than 100 microns, and forming temperature is 190-
260 DEG C, high temperature pyrolysis can reduce the mechanical property of plastic material, mechanical property be generally traditional injection moulding shaping prepare it is plastic
The 70-80% of energy；Photocuring 3D printing technique needs laser, and the liquid photosensitive resin that use cost is higher, therefore cost
More expensive, operation and maintenance cost is excessively high, and xanthochromia easily occurs under light illumination for the model in addition printed.
The content of the invention
Based on this, it is necessary in view of the above problems, providing a kind of ink-jet 3D printing method, this method printing precision is higher,
It is at low cost, and the threedimensional model printed has preferable mechanical property.
A kind of ink-jet 3D printing method is beaten according to the print command of threedimensional model slicing delamination using the mode being layering
Threedimensional model is printed, and is included in print procedure using bolster model assist three-dimensional mold curing, the ink-jet 3D printing method：
Ink material is added in, the ink material includes forming the main body ink material of threedimensional model and for being formed
The support ink material of bolster model, the main body ink material are mixed by volatile solvent and insoluble high molecular polymer
It forms, the support ink material is mixed by volatile solvent and dissolvable high molecular polymer；
Read print command；
According to three dimensional modeled segment of the print command in current layer, bolster model part difference jet body ink material liquid
Drop, support ink material drop；
The volatile solvent in the main body ink material, support ink material is waited to volatilize automatically, and insoluble height
Molecularly Imprinted Polymer, dissolvable high molecular polymer polymerize after volatile solvent volatilization, so as to co-curing for current layer
Two-dimensional section figure；
Judge whether to finish all layers of ink-jet, if so, stopping ink-jet, otherwise, continue to the next layer of injection ink
Material, and the volatile solvent is waited to volatilize；
Model after curing is soaked in lytic agent, waits the dissolvable high molecular polymerization in the support ink material
Object dissolves, and finally obtains the threedimensional model formed by the insoluble high molecular polymer in main body ink material.
In one of the embodiments, also need to be vibrated respectively by the volatile solvent and insoluble high score with ultrasonic wave
Solution that sub- mixed with polymers forms, the solution mixed by the volatile solvent and dissolvable high molecular polymer, from
And the main body ink material, support ink material are obtained respectively.
In one of the embodiments, a row or multi-row ink material, and often row's spray are sprayed simultaneously in current layer
It penetrates a drop or drips the ink material more.
In one of the embodiments, in current layer movement several times, and in each mobile preceding injection ink material.
In one of the embodiments, it is respectively positioned on once jet ink in each position of each jet ink material of current layer
In gap between water material each position.
In one of the embodiments, each layer of the threedimensional model is mutually parallel, and different layers respectively be located at perpendicular to
Different position on the direction of each layer plane.
In one of the embodiments, edge is moved to different layers perpendicular to the direction of each layer plane of the threedimensional model, and
Spray the ink material.
In one of the embodiments, the volatile solvent is dichloromethane or acetone, and the lytic agent is phenol, benzene
Methyl ether or water.
In one of the embodiments, the insoluble high molecular polymer is biodegradable polylactic acid, propylene
Nitrile-butadiene-styrene copolymer, makrolon or polyethylene terephthalate -1,4- cyclohexanedimethanoester esters.
In one of the embodiments, the dissolvable high molecular polymer is polyvinyl alcohol or wax.
Above-mentioned ink-jet 3D printing method have the advantage that for：
1st, three dimensional modeled segment, bolster model part difference jet body ink material of the ink-jet 3D printing method in each layer
Feed liquid drop, support ink material drop, can improve the molding precision of three dimensional model printing；The volatilization of volatile solvent is utilized simultaneously
Property, can dissolve high molecular polymer dissolubility and insoluble high molecular polymer insolubility, at low temperature
Printing forms threedimensional model, not only prints at low cost, but also high-temperature fusion can be avoided to cause to damage to the performance of high molecular material,
So as to improve the mechanical property of threedimensional model.
2nd, the ink-jet 3D printing method sprays a row or multi-row ink material, and one drop of often row's injection in each layer every time
Or drip the ink material more, therefore the printing shaping speed of threedimensional model can be adjusted according to demand, if desired faster speed,
Multiple rows of ink material is then sprayed every time, and the more melted ink materials of often row's injection can be realized.
3rd, each position of the ink-jet 3D printing method each jet ink material in each layer is respectively positioned on last injection
Gap between ink material each position, it is ensured that can be overlapped between the drop of ink material, and then improve threedimensional model
Print quality.
Description of the drawings
Fig. 1 is the flow chart of the ink-jet 3D printing method of an embodiment.
Specific embodiment
Fig. 1 shows the flow chart of ink-jet 3D printing method.The ink-jet 3D printing method is according to threedimensional model slicing delamination
Print command print threedimensional model using the mode that is layering, and in print procedure using bolster model come assist three-dimensional
Mold curing.The ink-jet 3D printing method includes：
Step S101, ink material is added in into 3D printer, which includes main body ink material and support ink
Water material.Wherein, for main body ink material for forming threedimensional model, support ink material is general next for forming bolster model
It says, bolster model is located at position hanging in threedimensional model.
Wherein, the mode that is made of main body ink material is：First volatile solvent and insoluble high molecular polymer are mixed
Be combined into solution, 24 it is small when after, then with the ultrasonic activation of the certain frequency solution, you can obtain main body ink material.
Similarly, the mode that is made for supporting ink material is：First volatile solvent and dissolvable high molecular polymer are mixed
For solution, 24 it is small when after, then with the ultrasonic activation of the certain frequency solution, you can obtain support ink material.
Volatile solvent is the relatively low solvent of boiling point, readily volatilized, after volatile solvent volatilizees, insoluble macromolecule
Polymer, dissolvable high molecular polymer can polymerize.
Insoluble high molecular polymer does not have dissolubility, i.e., cannot be dissolved in lytic agent.Therefore by the insoluble height
One of the ingredient of Molecularly Imprinted Polymer as main body ink material, as the material for ultimately forming threedimensional model.
Can dissolve high molecular polymer has dissolubility, you can is dissolved in lytic agent.Therefore this be can dissolve into polyphosphazene polymer
One of the ingredient of object as support ink material is closed, as the material for forming bolster model.
Specifically, volatile solvent is dichloromethane or acetone.Insoluble high molecular polymer is biodegradable plastic
Polylactic acid, acrylonitrile-butadiene-styrene copolymer, makrolon or polyethylene terephthalate -1,4- hexamethylenes two
Methanol ester.Can dissolve high molecular polymer is polyvinyl alcohol or wax.
Step S102,3D printer reads print command, and performs next printing step according to print command.
Print command comes from intelligent terminal, can be mobile phone or computer.In intelligent terminal, being first directed to will beat
The threedimensional model of print, the short transverse of threedimensional model is parallel with Z axis, and cross section is parallel with X/Y plane.Then intelligent terminal
The part supported can be needed, that is, generates bolster model according to the feature of threedimensional model, automatic addition.Finally by bolster model and three
The model that dimension module is composed carries out slicing delamination along Z-direction, and each layer is 2-d plane graph, and each layer is mutually parallel,
Different layers are located at the different position in Z-direction, finally generate corresponding print command according to hierarchical information.
In the present embodiment, 3D printer includes nozzle, print platform, motor driving, ink-jet driving, and is integrated on nozzle
Have a row or multi-row nozzle, often arrange in a row into there are one or multiple nozzles.Print command is used to control the movement of nozzle, print platform
The ink-jetting style of mode and nozzle.Specially：Nozzle can move under motor driving in X/Y plane, and print platform drives in motor
It lower in the Z-axis direction can be moved under dynamic, jet ink material under the control that each nozzle drives in ink-jet.
Step S103,3D printer is according to three dimensional modeled segment of the print command in current layer, bolster model part difference
Jet body ink material drop, support ink material drop, wherein, with drops jet ink material, three-dimensional can be improved
The precision of model printing shaping.
3D printer according to print command in current layer jet ink material, due to there is an a row or multi-row nozzle, and every
Arrange in a row into there are one or multiple nozzles, so every time sprayable a row or multi-row ink material, and often arrange it is sprayable one drop or
More melted ink materials.In this way, the printing shaping speed of threedimensional model can be adjusted according to demand, if desired faster printing is fast
Degree then equipped with multiple rows of nozzle on 3D printer, and often arranges in a row into multiple nozzles, is so sprayable multiple rows of ink material every time
Material, the more melted ink materials of often row's injection, so as to improve print speed.
After current layer sprays every time, under the drive of nozzle, each nozzle is moved to the next position in X/Y plane
Continue to spray, and between each position of jet ink material is respectively positioned between last jet ink material each position every time
In gap so that the ink material sprayed every time can fill up the gap that leaves after last time injection, ensure ink material drop it
Between can overlap, and then improve threedimensional model print quality.
In the present embodiment, a part of nozzle fixes jet body ink material, and another part nozzle fixes injection branch
Support ink material.At different locations, need to spray what kind of ink material according to the judgement of the figure of each position, then control
It is moved to being sprayed for spraying the nozzle of the type ink material at the position.
In other embodiments, the ink kind of each nozzle injection can be also not fixed, at this moment can be needed to spray according to each position
The ink kind penetrated, to control the ink material of the nozzle injection respective type positioned at position.
In addition, in the present embodiment so that each position of each jet ink material is respectively positioned on last jet ink material
It can be following any to expect the specific implementation in the gap between each position：
The 1st, if the actual liquid-drop diameter sprayed from nozzle is more than nozzle bore, it at this moment can meet between adjacent drops and not have
There is gap, so as to which lap connection is together between ensureing each drop.
The 2nd, if the actual liquid-drop diameter sprayed from nozzle is equal to or less than nozzle bore, it can be filled out by the wrong row of nozzle
Gap between fluid infusion drop that is, when installing nozzle, makes the position of each nozzle of the every row gap between adjacent row and each nozzle
The position of face.
The 3rd, if the actual liquid-drop diameter sprayed from nozzle is equal to or less than nozzle bore, it can also pass through the side of mobile nozzle
Formula fills up the gap between drop.For example, pass through mobile nozzle so that before the location of each nozzle is located at movement after mobile
In gap between each nozzle present position.
Step S104,3D printer temporarily ceases operation after all position jet ink materials of current layer, and
The volatile solvent in main body ink material, support ink material is waited to volatilize automatically.It is insoluble after volatile solvent volatilizees
Solution high molecular polymer, dissolvable high molecular polymer polymerize, and at this moment current layer is by cured insoluble high score
The two-dimensional section figure that sub- polymer and dissolvable high molecular polymer are combined into, that is, form bolster model and threedimensional model pair
It should be in the figure of this layer.
Step S105,3D printer judges whether to finish all layers of ink-jet, if so, 3D printer stops ink-jet, and
Perform step S107；Otherwise, step S106 is performed.
Step S106, the print platform in 3D printer is moved to next under motor-driven control along Z-direction
Layer, then perform step S103.
Step S107, the model after curing is soaked in lytic agent, waits the dissolvable high score in ink material to be supported
Sub- polymer dissolving, i.e., dissolve bolster model.It is soluble in due to can dissolve high molecular polymer in lytic agent, and it is insoluble
High molecular polymer is insoluble in lytic agent, so curing model can be finally converted by insoluble high molecular polymer
The threedimensional model of formation, at this moment printing finish.
Specifically, lytic agent is phenol or methyl phenyl ethers anisole or water.
In conclusion the ink-jet 3D printing method utilizes the volatility of volatile solvent, can dissolve high molecular polymer
The insolubility of dissolubility and insoluble high molecular polymer, it is i.e. printable at low temperature to form threedimensional model, not only beat
It prints at low cost, and high-temperature fusion can be avoided to cause to damage to the performance of high molecular material, so as to improve the mechanics of threedimensional model
Performance.
It should be noted that when cutting into slices to threedimensional model, it also can be along X-axis or Y-axis slicing delamination, at this moment threedimensional model is each
Layer is i.e. parallel with YZ planes or XZ planes, and different layers are located at the different position in X-axis or Y direction.3D printer is to each
During layer ink-jet, nozzle then moves in YZ planes or in XZ planes, so that phase of each nozzle in YZ planes or in XZ planes
Answer position jet ink material；When print platform is moved to other one layer along X-axis or Y-axis, you can continue to continue other one layer
Jet ink material.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Above example only express the present invention several embodiments, description it is more specific, but can not therefore and
It is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, this is not being departed from
On the premise of inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, originally
The protection domain of patent of invention should be determined by the appended claims.
Claims (9)
1. a kind of ink-jet 3D printing method is printed according to the print command of threedimensional model slicing delamination using the mode being layering
Threedimensional model, which is characterized in that bolster model assist three-dimensional mold curing, the ink-jet 3D printing side are utilized in print procedure
Method includes：
Ink material is added in, the ink material includes the main body ink material for forming threedimensional model and supported for being formed
The support ink material of model, the main body ink material by volatile solvent and insoluble high molecular polymer mixing and
Into the support ink material is mixed by volatile solvent and dissolvable high molecular polymer；Wherein, distinguished with ultrasonic wave
Vibrate mixed by the volatile solvent and insoluble high molecular polymer solution, by the volatile solvent and can
The solution that dissolving high molecular polymer mixes, so as to obtain the main body ink material, support ink material respectively；
Read print command；
Distinguished according to print command in the three dimensional modeled segment of current layer, bolster model part jet body ink material drop,
Support ink material drop；
The volatile solvent in the main body ink material, support ink material is waited to volatilize automatically, and insoluble macromolecule
Polymer, dissolvable high molecular polymer polymerize after volatile solvent volatilization, so as to co-curing for the two of current layer
Tie up sectional view；
Judge whether to finish all layers of ink-jet, if so, stopping ink-jet, otherwise, continue to the next layer of injection ink material,
And the volatile solvent is waited to volatilize；
Model after curing is soaked in lytic agent, waits the dissolvable high molecular polymer in the support ink material molten
Solution, finally obtains the threedimensional model formed by the insoluble high molecular polymer in main body ink material.
2. ink-jet 3D printing method according to claim 1, which is characterized in that sprayed simultaneously in current layer a row or multi-row
The ink material, and one drop of often row's injection or drip the ink material more.
3. the ink-jet 3D printing method according to right wants 2, which is characterized in that in current layer movement several times, and each
The injection ink material before mobile.
4. the ink-jet 3D printing method according to right wants 3, which is characterized in that in each of each jet ink material of current layer
Position is respectively positioned in the gap between last jet ink material each position.
5. the ink-jet 3D printing method according to right wants 4, which is characterized in that each layer of the threedimensional model is mutually parallel,
And different layers are located at the different position on the direction of each layer plane respectively.
6. the ink-jet 3D printing method according to right wants 5, which is characterized in that along perpendicular to each layer plane of the threedimensional model
Direction be moved to different layers, and spray the ink material.
7. the ink-jet 3D printing method according to any claim in claim 1 to 6, which is characterized in that the volatilization
Property solvent be dichloromethane or acetone, the lytic agent be phenol, methyl phenyl ethers anisole or water.
8. the ink-jet 3D printing method according to any claim in claim 1 to 6, which is characterized in that it is described can not
Dissolving high molecular polymer is biodegradable polylactic acid, acrylonitrile-butadiene-styrene copolymer, makrolon or poly-
Ethylene glycol terephthalate -1,4- cyclohexanedimethanoester esters.
9. the ink-jet 3D printing method according to any claim in claim 1 to 6, which is characterized in that described solvable
It is polyvinyl alcohol or wax to solve high molecular polymer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105690764B (en) * | 2016-01-29 | 2017-09-01 | 北京工业大学 | Realize the ejecting device printed parallel and 3D printing method |
| JP2017159475A (en) * | 2016-03-07 | 2017-09-14 | セイコーエプソン株式会社 | Method of producing three-dimensional modeled product, apparatus for producing three-dimensional modeled product, and three-dimensional modeled product |
| CN107501477B (en) * | 2016-06-14 | 2019-11-05 | 珠海赛纳打印科技股份有限公司 | It is a kind of for the photo-curing material of 3D inkjet printing and preparation and Method of printing |
| JP6774020B2 (en) * | 2016-09-29 | 2020-10-21 | セイコーエプソン株式会社 | 3D model manufacturing equipment and 3D model manufacturing method |
| US10953606B2 (en) | 2016-10-18 | 2021-03-23 | Kuraray Co., Ltd. | Use of polyvinyl alcohol having a low sodium acetate content in 3D printing process |
| CN106730032A (en) * | 2016-11-15 | 2017-05-31 | 王翀 | A kind of printed material, the preparation method of tissue engineering bracket and tissue engineering bracket |
| WO2019057285A1 (en) * | 2017-09-21 | 2019-03-28 | Thyssenkrupp Steel Europe Ag | Method for producing a vehicle wheel, vehicle wheel and method for designing a vehicle wheel |
| CN110435142A (en) * | 2019-09-09 | 2019-11-12 | 安徽卓锐三维科技有限公司 | A kind of high molecule plastic 3 D-printing method of dissolution in low temperature forming |
| CN111283999B (en) * | 2020-02-09 | 2022-04-15 | 成都锐美动力科技有限公司 | 3D printing method of multi-point jet dry type precipitation |
| CN114228133B (en) * | 2021-11-04 | 2022-10-21 | 华南理工大学 | Outer wall speed adjusting method, system, device and medium for 3D printing |
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