CN106182767A - A kind of 3D printer and Method of printing supporting printing hanging structure based on liquid buoyancy - Google Patents
A kind of 3D printer and Method of printing supporting printing hanging structure based on liquid buoyancy Download PDFInfo
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- CN106182767A CN106182767A CN201610541465.7A CN201610541465A CN106182767A CN 106182767 A CN106182767 A CN 106182767A CN 201610541465 A CN201610541465 A CN 201610541465A CN 106182767 A CN106182767 A CN 106182767A
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- printing
- hanging structure
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- liquid level
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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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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of 3D printer and Method of printing supporting based on liquid buoyancy and printing hanging structure, including: printing equipment, support liquid device, control device and power supply, when printing equipment prints hanging structure, control the preset height that device controls the liquid level adaptation printing hanging structure of support liquid device, utilize the buoyancy of support liquid device to support hanging structure and prevent its malformation.Use present invention when printing hanging structure, owing to there being the supporting role of support liquid device so that preceding layer with between existing printable layer attachment structure stable, do not result in hanging structure deformation in kind, it is ensured that the printing shaping of whole material object；Thus by the way of 3D prints, produce prior art cannot the three dimensional structure of molding；Extremely convenient is removed simultaneously, takes out from container, rinse well after only needing molding to be printed.
Description
Technical field
The present invention relates to a kind of 3D and print field, particularly to a kind of 3D supporting printing hanging structure based on liquid buoyancy
Printer and Method of printing.
Background technology
Compared with conventionally manufactured, 3D (Chinese name: three-dimensional) printing technique is the one of manufacturing technology.By setting up three dimensions
Word model, adds Z axis on the X-axis and Y-axis of plane, achieves the successively manufacture skill of three-dimensional by the method for material stacking
Art.This technology is with liquid or dusty material as primary raw material, it then follows " multi-shell curing adds up layer by layer " know-why, according to layer
The mode of interior solidification is different, and common 3D printing technique has: fusion stacking molding (Fused Deposition Modeling,
FDM), stereolithography (Stereo Lithography Appearance, SLA), selective laser sintering (Selective
Laser Sintering, SLS), 3 D-printing cohere molding (Three Dimensional Printing and Gluing,
3DP), digital light treatment technology (Digital Light Processing, DLP), directly write technology (Direct Writing
Modeling, DWM) etc..Wherein, fusion stacking molding and technology of directly writing are all by setting up three-dimensional digital model, control soft
Part carries out section according to three-dimensional digital model and printing path is planned, controls printing head extrusion during motion and prints former
Material, ultimately forms mock-up by being layering.
But existing there is following limitation by setting up the 3D printing technique of three-dimensional digital model:
1, the existing 3D printing technique by setting up three-dimensional digital model, hangs owing to setting up often to exist in threedimensional model
Hollow structure, these structures lower section in print procedure lacks support so that preceding layer is not enough to prop up with connecting between existing printable layer
Support structure stability, causes hanging structure in kind deformation (such as collapse phenomenon), and then affects the printing shaping of whole material object and become
Type precision.
2, the existing 3D printing technique by setting up three-dimensional digital model, there is also use solid-state material outstanding as supporting
The method of hollow structure, but 3D prints the numerous hanging structures running into material object, because of the difference of height, form etc., needs not similar shape
The solid-state material of shape and size supports, and supports process numerous and diverse, and there is the solid-state material as supporting construction and bonding in kind
Etc. problem, solid-state material inconvenience is removed after molding in kind, peels off by force and is easily damaged workpiece in kind.
Summary of the invention
It is an object of the invention to overcome and print outstanding by setting up the 3D of three-dimensional digital model in the presence of prior art
Hollow structure lacks support and is difficult to the above-mentioned deficiency removed after modification, or employing solid-state material support, it is provided that a kind of based on liquid
Body buoyancy supports 3D printer and the Method of printing printing hanging structure.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
A kind of 3D printer supporting printing hanging structure based on liquid buoyancy, including: printing equipment, it is used for printing reality
Thing；Support liquid device, to the support of hanging structure on described material object in print procedure；Control device, be used for controlling institute
State the work of printing equipment, control described support liquid device regulation bearing height simultaneously and print institute to mate described printing equipment
State default printing height during hanging structure；Power supply, for providing to described printing equipment, support liquid device and control device
Power.
Use the present invention such 3D printer, when printing hanging structure on material object, owing to there being support liquid device pair
The supporting role of hanging structure so that when printing hanging structure preceding layer with between existing printable layer attachment structure stable, Bu Huizao
Become material object upper hanging structure deformation, it is ensured that the printing shaping of whole material object and formed precision；Support relative to solid-state material simultaneously,
Support liquid device disclosure satisfy that difformity and the support of the hanging structure of size, and easily peels off with in kind.
Preferably, described support liquid device includes: fluent material, prints described hanging structure for described printing equipment
Time, it is provided that buoyancy supports described hanging structure；Container, is used for loading described fluent material；Liquid pump, for pouring into described container
Or extract described fluent material out to adjust the liquid level in described container.
The fluent material used is the gallium-indium alloy under-10 DEG C to 40 DEG C scopes for liquid.
Preferably, described control device includes: height sensor, high for the liquid level of the described fluent material of detection in real time
Degree；Control system, is used for setting up threedimensional model, controls described printing equipment according to input three-dimensional path Sequence motion, same to time control
Make the work of described liquid pump to adjust liquid level, thus mate presetting when described printing equipment prints described hanging structure and beat
Print height.
Use the mode that this liquid level is controlled, it is simple to producing prior art by the way of 3D prints cannot shape
Three dimensional structure.
Preferably, the liquid level described printing equipment of contrast that described control system detects according to described height sensor is beaten
Presetting when printing described hanging structure prints highly, controls described liquid pump in real time and adjusts the described default printing height of liquid level coupling
Degree.
Preferably, described height sensor obtains the error of liquid level in real time within ± 200 microns.
Adopt in this way, it is ensured that 3D prints the precision of hanging structure.
Preferably, the density of described fluent material is more than the density printing material therefor in kind.
Adopt in this way, it is provided that bigger buoyancy, it is ensured that print stability during hanging structure in kind.
Present invention also offers a kind of 3D Method of printing supporting based on liquid buoyancy and printing hanging structure, including above-mentioned
3D printer, its Method of printing comprises the following steps:
A, set up three-dimensional digital model input control system and described three-dimensional digital model is carried out by described control system
Section and printing path are planned；
B, when printing equipment prints hanging structure part on material object, the liquid level that described control system controls fluent material is high
Degree coupling prints the default printing height of described hanging structure, utilizes the buoyancy of described fluent material to support described hanging structure and prevents
Only its malformation.
C, the described molding in kind of end to be printed, take out fluent material described in its surface attachment of afterflush.
Use the present invention such 3D Method of printing, it is possible to the effective hanging structure supported in print procedure is to allow it not
Deform upon, thus by the way of 3D prints, produce prior art cannot the three dimensional structure of molding；Compare existing solid simultaneously
The problems such as the existence of state materials for support method and bonding in kind, extremely convenient is removed, and only need to take out from container after molding to be printed, rushes
Wash clean.
Preferably, described load bulk liquid materials is in container, and described container connects liquid pump, and described liquid pump can be to described appearance
Device pours into or extracts out described fluent material, in order to control the liquid level of described fluent material.
Preferably, control system connects the liquid level of the height sensor described fluent material of detection, described control system
The liquid level detected according to described height sensor contrasts described printing equipment and presets printing height, controls described liquid pump in real time
Adjust the described default printing height of liquid level coupling.
Preferably, the density of described fluent material is more than the density printing material therefor in kind.
In sum, compared with prior art, the invention has the beneficial effects as follows:
A kind of 3D printer of the present invention provides the benefit that:
Use a kind of 3D printer of the present invention, when printing hanging structure on material object, owing to there being support liquid to fill
Put the supporting role to hanging structure so that when printing hanging structure preceding layer with between existing printable layer attachment structure stable, no
Hanging structure deformation on material object can be caused, it is ensured that the printing shaping of whole material object and formed precision；Simultaneously relative to solid-state material
Supporting, support liquid device disclosure satisfy that difformity and the support of the hanging structure of size, and easily peels off with in kind.
A kind of 3D Method of printing of the present invention provides the benefit that:
Use a kind of 3D Method of printing of the present invention, it is possible to the effective hanging structure supported in print procedure is to allow
It does not deforms upon, thus by the way of 3D prints, produce prior art cannot the three dimensional structure of molding；Compare existing simultaneously
With the presence of problems such as solid-state material supporting methods and bondings in kind, extremely convenient is removed, and take from container after only needing molding to be printed
Go out, rinse well.
Accompanying drawing explanation
Fig. 1 is a kind of structural principle supporting the 3D printer printing hanging structure based on liquid buoyancy of the present invention
Figure.
Fig. 2 is a kind of workflow supporting the 3D Method of printing printing hanging structure based on liquid buoyancy of the present invention
Cheng Tu.
Labelling in figure: 10-printing equipment, 11-is in kind, 12-hanging structure, 20-fluent material, 21-container, 22-liquid pump,
30-height sensor, 31-control system.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should not understood
Scope for the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to this
The scope of invention.
Embodiment 1
As it is shown in figure 1, a kind of knot supporting the 3D printer printing hanging structure based on liquid buoyancy of the present invention
Structure schematic diagram, including printing equipment 10, material object 11, hanging structure 12, fluent material 20, container 21, liquid pump 22, height sensor
30 and control system 31.
Control system 31 connects printing equipment 10, liquid pump 22 and height sensor 30；Three-dimensional is set up by control system 31
Mathematical model and three-dimensional digital model is cut into slices and printing path planning, drive printing equipment 10 by 3-dimensional digital mould
Type is printed as in kind 11；When printing equipment 10 prints hanging structure 12 part in kind 11, control system 31 drives liquid pump 22
Pour into or extract out fluent material 20 to container 21, adjust the liquid level of fluent material 20 in container 21 with this；Highly pass
Sensor 30 detects the liquid level of fluent material 20 and by data feedback control system 31, and control system 31 is by this liquid level number
Preset the height printing hanging structure 12 according to contrast printing equipment 10, control liquid pump 22 the most in real time and adjust the liquid of fluent material 20
Face height mates presets printing height, thus utilizes the buoyancy of fluent material 20 to support hanging structure 12 so that it is printing
During indeformable, it is ensured that the printing shaping of in kind 11 and formed precision, producing prior art cannot the three-dimensional knot of molding
Structure, last need to be taken out from container 21 after 11 printing shapings in kind, rinse well.
It is to be noted that the density of fluent material 20 is more than the density printing 11 material therefors in kind, Given this printing
During 11 substrate in kind, substrate was fixed with container 21 end and be connected, prevent in print procedure abundant fluent material 20 in container 21
Shi Zaocheng material object 11 is floating.
Embodiment 2
As in figure 2 it is shown, a kind of 3D Method of printing supporting printing hanging structure based on liquid buoyancy of the present invention
Workflow diagram.
Setting up three-dimensional digital model input control system, three-dimensional digital model is cut into slices and prints by Control System Software
Path planning, identifies the hanging structure on material object to be printed, and default hanging structure prints height；Control system controls to beat
Printing equipment puts work, awaits orders when printing path arrives hanging structure；Control system controls liquid pump and adjusts liquid level, highly sensing
Device detects liquid level actual height in real time and will detect data feedback control system；Presetting of control system contrast hanging structure is beaten
Whether print height and liquid level actual height mate；If it is, control system then controls printing equipment starts to print hanging structure, institute
The hanging structure printed, because the effect of buoyancy, is unlikely to deformation and caves in；Continue to adjust if it is not, control system then controls liquid pump
Whole liquid level is until the default printing height of hanging structure and liquid level actual height are mated.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. the 3D printer supporting printing hanging structure based on liquid buoyancy, it is characterised in that including:
Printing equipment (10), is used for printing material object (11)；
Support liquid device, the support of hanging structure (12) upper to described material object (11) in print procedure；
Control device, be used for controlling the work of described printing equipment (10), control the regulation of described support liquid device simultaneously and support
Highly mate default printing height when described printing equipment (10) prints described hanging structure (12)；
Power supply, for providing power to described printing equipment (10), support liquid device and control device.
3D printer the most according to claim 1, it is characterised in that described support liquid device includes:
Fluent material (20), when described printing equipment (10) prints described hanging structure (12), it is provided that buoyancy supports described
Hanging structure (12)；
Container (21), is used for loading described fluent material (20)；
Liquid pump (22), adjusts described container (21) for pouring into or extract out described fluent material (20) to described container (21)
In liquid level.
3D printer the most according to claim 1, it is characterised in that described control device includes:
Height sensor (30), for the liquid level of the described fluent material of detection (20) in real time；
Control system (31), is used for setting up threedimensional model, controls described printing equipment (10) according to input three-dimensional path program fortune
Dynamic, control the work of described liquid pump (22) to adjust liquid level simultaneously, thus mate described printing equipment (10) and print described
Default printing height during hanging structure (12).
3D printer the most according to claim 3, it is characterised in that described control system (31) is according to described highly sensing
The liquid level that device (30) detects contrasts to preset when described printing equipment (10) prints described hanging structure (12) and prints height, real
Time control described liquid pump (22) adjust liquid level coupling described default print height.
3D printer the most according to claim 3, it is characterised in that it is high that described height sensor (30) obtains liquid level in real time
The error of degree is within ± 200 microns.
3D printer the most according to claim 1, it is characterised in that the density of described fluent material (20) is real more than printing
The density of thing (11) material therefor.
7. the 3D Method of printing supporting printing hanging structure based on liquid buoyancy, it is characterised in that include such as claim
The arbitrary described 3D printer of 1-6, its Method of printing comprises the following steps:
A, set up three-dimensional digital model input control system (31) and described control system (31) to described three-dimensional digital model
Carry out section and printing path is planned；
B, when printing equipment (10) prints in kind (11) upper hanging structure (12) part, described control system (31) controls liquid
The liquid level coupling of material (20) prints the default printing height of described hanging structure (12), utilizes described fluent material (20)
Buoyancy support described hanging structure (12) prevent its malformation.
C, end to be printed described material object (11) molding, take out fluent material (20) described in its surface attachment of afterflush.
3D Method of printing the most according to claim 7, it is characterised in that described fluent material (20) is loaded into container (21)
In, described container (21) connects liquid pump (22), and described liquid pump (22) can pour into or extract out described liquid to described container (21)
Body material (20), in order to control the liquid level of described fluent material (20).
3D Method of printing the most according to claim 7, it is characterised in that control system (31) connects height sensor (30)
Detect the liquid level of described fluent material (20), the liquid that described control system (31) detects according to described height sensor (30)
Printing height preset by printing equipment (10) described in the degree of contrast of face, and the described liquid pump of control (22) in real time adjusts liquid level and mates institute
State to preset and print height.
3D Method of printing the most according to claim 7, it is characterised in that the density of described fluent material (20) is more than beating
The density of print (11) material therefor in kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541465.7A CN106182767A (en) | 2016-07-11 | 2016-07-11 | A kind of 3D printer and Method of printing supporting printing hanging structure based on liquid buoyancy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610541465.7A CN106182767A (en) | 2016-07-11 | 2016-07-11 | A kind of 3D printer and Method of printing supporting printing hanging structure based on liquid buoyancy |
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| CN106182767A true CN106182767A (en) | 2016-12-07 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106650151A (en) * | 2016-12-30 | 2017-05-10 | 湖南航天新材料技术研究院有限公司 | Model for obtaining structure design parameters |
| CN106940737A (en) * | 2016-12-30 | 2017-07-11 | 长沙新材料产业研究院有限公司 | A kind of method for obtaining parameter of structure design |
| CN107344420A (en) * | 2017-07-04 | 2017-11-14 | 刘玮 | Exempt from the printer of method for supporting using 3D printing and method for supporting is exempted from 3D printing |
| CN107379529A (en) * | 2017-08-10 | 2017-11-24 | 东莞远铸智能科技有限公司 | 3D printer and printing method thereof |
| CN108312497A (en) * | 2018-02-11 | 2018-07-24 | 西安交通大学 | It is a kind of without support 3D suspensions print structure and method |
| WO2018182536A1 (en) * | 2017-03-30 | 2018-10-04 | Agency For Science, Technology And Research | Fluid support continuous three-dimensional printer |
| CN109366971A (en) * | 2018-09-20 | 2019-02-22 | 中南大学 | A method for unsupported additive manufacturing |
| CN109648844A (en) * | 2018-11-23 | 2019-04-19 | 上海萃钛智能科技有限公司 | A kind of 3D printing equipment and 3D printing method |
| CN110509558A (en) * | 2019-08-06 | 2019-11-29 | 昆明学院 | A 3D printer supported by a saturated NaCl solution |
| CN110523977A (en) * | 2019-03-12 | 2019-12-03 | 清华大学 | Liquid floating powder bed additive manufacturing equipment and method |
| CN110641017A (en) * | 2019-09-24 | 2020-01-03 | 徐圣最 | 3D printer structure and supporting printing method thereof |
| CN111483138A (en) * | 2020-04-16 | 2020-08-04 | 杭州喜马拉雅信息科技有限公司 | Printing platform for reducing 3D printing support |
| CN113021561A (en) * | 2021-03-26 | 2021-06-25 | 上海建工建材科技集团股份有限公司 | 3D printing concrete printing support device and printing support method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940737A (en) * | 2016-12-30 | 2017-07-11 | 长沙新材料产业研究院有限公司 | A kind of method for obtaining parameter of structure design |
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| CN107344420A (en) * | 2017-07-04 | 2017-11-14 | 刘玮 | Exempt from the printer of method for supporting using 3D printing and method for supporting is exempted from 3D printing |
| CN107379529A (en) * | 2017-08-10 | 2017-11-24 | 东莞远铸智能科技有限公司 | 3D printer and printing method thereof |
| CN107379529B (en) * | 2017-08-10 | 2019-11-15 | 东莞远铸智能科技有限公司 | 3D printer and printing method thereof |
| CN108312497A (en) * | 2018-02-11 | 2018-07-24 | 西安交通大学 | It is a kind of without support 3D suspensions print structure and method |
| CN109366971A (en) * | 2018-09-20 | 2019-02-22 | 中南大学 | A method for unsupported additive manufacturing |
| CN109648844A (en) * | 2018-11-23 | 2019-04-19 | 上海萃钛智能科技有限公司 | A kind of 3D printing equipment and 3D printing method |
| CN110523977A (en) * | 2019-03-12 | 2019-12-03 | 清华大学 | Liquid floating powder bed additive manufacturing equipment and method |
| WO2020182098A1 (en) * | 2019-03-12 | 2020-09-17 | 清华大学 | Liquid-floating powder bed additive manufacturing apparatus and method |
| CN110509558A (en) * | 2019-08-06 | 2019-11-29 | 昆明学院 | A 3D printer supported by a saturated NaCl solution |
| CN110641017A (en) * | 2019-09-24 | 2020-01-03 | 徐圣最 | 3D printer structure and supporting printing method thereof |
| CN111483138A (en) * | 2020-04-16 | 2020-08-04 | 杭州喜马拉雅信息科技有限公司 | Printing platform for reducing 3D printing support |
| CN111483138B (en) * | 2020-04-16 | 2021-10-29 | 杭州喜马拉雅信息科技有限公司 | Printing platform for reducing 3D printing support |
| CN113021561A (en) * | 2021-03-26 | 2021-06-25 | 上海建工建材科技集团股份有限公司 | 3D printing concrete printing support device and printing support method |
| CN113021561B (en) * | 2021-03-26 | 2022-05-31 | 上海建工建材科技集团股份有限公司 | 3D printing concrete printing support device and printing support method |
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