CN110421843A - A kind of sound emission gas-liquid interface photocuring three-dimensional device and method - Google Patents
A kind of sound emission gas-liquid interface photocuring three-dimensional device and method Download PDFInfo
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- CN110421843A CN110421843A CN201910769017.6A CN201910769017A CN110421843A CN 110421843 A CN110421843 A CN 110421843A CN 201910769017 A CN201910769017 A CN 201910769017A CN 110421843 A CN110421843 A CN 110421843A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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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- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention relates to a kind of sound emission gas-liquid interface photocuring three-dimensional device and methods.The device includes rigid frame, and top plate is equipped at the top of rigid frame, and liquid bath is equipped in rigid frame, is equipped with photosensitive liquid macroimolecule material in liquid bath, the opening of liquid bath is chimeric with top plate；Hoistable platform is fixed on top plate, hoistable platform is connected with forming board, and forming board can move up and down in liquid bath under hoistable platform driving, and forming board is equipped with photocuring three-dimensional body that formed；The pedestal of sixdegree-of-freedom simulation is fixed on top plate, and the end of sixdegree-of-freedom simulation is connect with sound emission optical scanning head, and sixdegree-of-freedom simulation can drive sound emission optical scanning head to do spacescan movement in liquid bath.Invention has the advantages that: structure of the invention is reasonable, easy to use, and effect is good.After generation of blowing out, it can come into operation within one minute, keep user's cart light, and avoid the roll compacting of Tire & Tube and steel ring in the process of walking, protection tire no longer increases damaged condition.
Description
Technical field
The present invention relates to 3 D-printing field, especially a kind of sound emission gas-liquid interface photocuring three-dimensional device and side
Method.
Background technique
Photocuring three-dimensional technology uses specific wavelength light, is cured instead by regioselectivity excitation photosensitive resin
It answers, obtains single layer patterning solidfied material, and pass through ply adhesion effect when continuously successively solidifying and solidify, realize from single layer
Accumulation of the solidfied material to Complex Three-Dimensional Body is patterned, this method is with forming speed is fast, surface quality is good, forming device structure
Simple advantage has developed into one of the main stream approach for increasing material field.Existing photocuring three-dimensional equipment is according to solidification liquid level
Position is different, be divided into liquid level solidify and lower liquid level solidify two major classes other: the former, which exposes the upper liquid level of photosensitive resin liquid bath, gives birth to
Sink to carrying out successively accumulation solidification at monolayer immobilization object, and by forming board；The latter is right by photosensitive resin liquid bath clear bottom
Lower liquid level exposure generates monolayer immobilization object, and is floated by forming board and carry out successively accumulation solidification until forming Complete three-dimensional shape
Body.
On the other hand, with the continuous development and maturation for increasing material technology and its application scenarios, increase material and apply to photocuring three
Requirement in terms of dimension former forming efficiency, forming accuracy and forming fineness is increasingly stringenter, this is to traditionally liquid level
Photocuring and lower liquid level uv equipment bring severe technological challenge, are mostly derived from: in upper liquid level uv equipment, single layer
Solidfied material flatness is influenced by liquid level smoothness, and monolayer immobilization object dimensional accuracy and marginal definition are by level stability degree shadow
It rings, and the control difficulty of photosensitive resin liquid bath liquid level smoothness and level stability degree and realization cost are larger；Lower liquid level photocuring
In equipment, when monolayer immobilization object is removed from liquid bath transparent carrier film, stronger solid-solid interface adhesion strength easily induces removing damage
The problems such as wound, removing failure, and then forming defects is caused even to shape failure.No matter liquid level smoothness and level stability degree are asked
Topic or solid-solid interface stripping problem, are substantially light-cured into upper liquid level optical soliton interaction mode and lower liquid level
Shape mode is closely related, does not release dependence of the photocuring three-dimensional to upper liquid level and lower liquid level fundamentally, is difficult from root
On overcome existing uv equipment in the obstruction for further improving performance direction and being encountered.In addition, existing uv equipment is big absolutely
Part is using whole face exposure, the cured forming mode of whole face, and when photosensitive resin is from liquid curing, volume contraction will lead to complexity
Stress deformation, and then reduce three-dimensional precision, even cause solidfied material cracking, cause forming fail.Currently, being directed into one
Step promoted photocuring three-dimensional efficiency, precision and fineness urgent need, also lack one kind do not depend on liquid level or under
Liquid level state, solidified forming stress are low, the low photocuring three-dimensional method even without removing of peeling force.
Summary of the invention
The shortcomings that the invention solves the above-mentioned prior arts, provide it is a kind of without solid state image interface, can in liquid bath it is straight
It connects exposure and generates solidfied material, and generated solidfied material is only attached to the sound emission gas-liquid of forming board or upper one layer of solidfied material surface
Interface photocuring three-dimensional device and method.
The technical scheme adopted by the invention to solve the technical problem: this device includes rigid frame, rigid frame top
Equipped with top plate, it is equipped with liquid bath in rigid frame, is equipped with photosensitive liquid macroimolecule material in liquid bath, the opening and top plate of liquid bath are embedding
It closes；Hoistable platform is fixed on top plate, hoistable platform is connected with forming board, and forming board can be under hoistable platform driving in liquid
It is moved up and down in slot, forming board is equipped with photocuring three-dimensional body that formed；The pedestal of sixdegree-of-freedom simulation is fixed on top plate,
The end of sixdegree-of-freedom simulation is connect with sound emission optical scanning head, and sixdegree-of-freedom simulation can drive sound emission optical scanning head to exist
Spacescan movement is done in liquid bath.
Preferably, sound emission optical scanning head includes hollow housing, it is solid that high frequency orients sonic wave emitting elements array, directional light
Change the cavity bottom that light source is located at hollow housing, and orients photocuring light source and be located in high frequency orientation sonic wave emitting elements array
Heart district domain；Power supply and control signal wire beam are connect with high frequency orientation sonic wave emitting elements array, orientation photocuring light source, and therefrom
The sealing hole of empty capsid tail portion is drawn out to outside sound emission optical scanning head；Hollow housing head is equipped with light hole.
Preferably, photocuring controller connects with hoistable platform, sixdegree-of-freedom simulation, sound emission optical scanning head respectively
It connects.
A kind of sound emission gas-liquid interface photocuring three-dimensional method, comprising the following steps: sixdegree-of-freedom simulation driving
Sound emission optical scanning head carries out the scanning solidification of current layer, and the current layer partial mono-layer solidfied material that sweep test has generated is attached to
Cured object surface；Sixdegree-of-freedom simulation drives sound emission optical scanning head along partial mono-layer solidfied material in not yet scanning area
Edge is intensively scanned line by line by the surface shape of cured object；In scanning process, the light beam that sound emission optical scanning head projects is continuous
It is mobile, linear solidfied material, the partial mono-layer solidfied material that linear solidfied material is generated with sweep test are formed on cured object surface
Close-packed arrays, so that the area of partial mono-layer solidfied material is constantly expanded, sixdegree-of-freedom simulation drives sound emission optical scanning complete
After cost layer scanning area, generates this layer of solidfied material and be completely attached to cured object surface.
Before starting photocuring, photocuring controller first issues displacement signal to sixdegree-of-freedom simulation, controls six degree of freedom
Mechanical arm drives sound emission optical scanning head to remove liquid bath, and photosensitive liquid macroimolecule material is then injected into liquid bath；Photocuring control
Device processed issues sinking signal to hoistable platform, controls the photosensitive liquid macroimolecule object that hoistable platform driving forming board submerges liquid bath
In material；Light source shutdown signal, acoustic emission signal to sound emission optical scanning head occur for photocuring controller, control sound emission optical scanning
Head closes photocuring light source, opens sound emission element；Photocuring controller issues space coordinate positioning signal and spatial attitude is fixed
Position signal controls sixdegree-of-freedom simulation and sound emission optical scanning head is driven to originate to first floor scanning area to sixdegree-of-freedom simulation
Point movement so that sound emission optical scanning head is directed toward and approaches forming board to set attitude angle, until sound emission optical scanning head and
Photosensitive liquid macroimolecule material thickness between forming board is monolayer immobilization thickness.
When carrying out first floor photocuring, photocuring controller issues scan path and instructs to sixdegree-of-freedom simulation, control six
Degree-of-freedom manipulator drives sound emission optical scanning head, is scanned photocuring by the path of first floor photocuring pattern definition；Light is solid
Change controller and issue optical switch control signal to sound emission optical scanning head, the light source controlled in sound emission optical scanning head is opened or closed
Disconnected: when real time scan path enters photocuring pattern bright areas, light source is open-minded, when real time scan path is detached from photocuring figure
Light source is closed when case bright areas；Photocuring controller issues brightness adjustment signal to sound emission optical scanning head, control sound hair
The light source in optical scanning head is penetrated, exposes energy by scanning speed, spot size, monolayer immobilization thickness, photosensitive liquid macroimolecule material
The parameters such as amount, the light-source brightness in dynamic regulation sound emission optical scanning head, to meet scanning ultraviolet curing process requirement；Photocuring control
Device processed issues acoustic emission signal to sound emission optical scanning head, maintains sound hair in sound emission probe in entirely scanning Light Curing
Penetrate the sound emission state of element.
In first floor photocuring scanning process, sound emission element issues high frequency and orients sound wave, effect in sound emission optical scanning head
On photosensitive liquid macroimolecule material liquid surface outside light-emitting window, sound wave, which hits the acoustic pressure that liquid level is formed, makes liquid level that recess change occur
Shape, sound wave and the interference of liquid level reflection echo generate standing wave, which further forms the gas shield of energy-intensive in light-emitting window；Light out
Photosensitive liquid macroimolecule material liquid surface outside mouthful forms in stable condition vacuole under acoustic pressure depressed deformation and gas shield collective effect
Structure；The directional beam that light source issues in sound emission optical scanning head, by being radiated at the photosensitive of vacuole central area after light-emitting window
On liquid macroimolecule material, photocuring reaction occurs for excitation irradiated area, and the solidfied material that photocuring reaction generates is only attached to
On forming board, and without solid-solid adhesive interface between light-emitting window；Sixdegree-of-freedom simulation drives sound emission optical scanning complete
After the scanning of first floor photocuring path, is formed and be attached directly to forming board with the consistent solidfied material of photocuring pattern form
On.
When carrying out succeeding layer photocuring, photocuring controller first issues displacement signal to sixdegree-of-freedom simulation, control six
Degree-of-freedom manipulator driving sound emission optical scanning head avoids cured object, mobile to current layer scanning area starting point, so that sound
Emit optical scanning head and approach cured object to set attitude angle, until the photosensitive liquid macroimolecule object between light-emitting window and cured object
Material is with a thickness of monolayer immobilization thickness；And posterior photocuring controller sends current layer scan path to sixdegree-of-freedom simulation, control
Sixdegree-of-freedom simulation drives sound emission optical scanning head, is scanned photocuring by current layer photocuring pattern；Six degree of freedom machine
After tool arm drives sound emission optical scanning head to complete the scanning of current layer photocuring path, generated current layer solidfied material, which is attached to, have been consolidated
Compound surface；Above-mentioned solidification process is successively implemented, each layer of scanning photocuring monolayer immobilization object generated and cured object by
Layer is cumulative, until constituting complete photocuring three-dimensional body that formed.
Sound emission optical scanning head of the invention is built-in with high frequency orientation sound emission element and orientation photocuring light source, high frequency
The high frequency sound wave beam that sound emission element issues is oriented, it is Chong Die with the light beam axle center that orientation photocuring light source issues, and pass through
The light-emitting window of sound emission optical scanning head is projected to outside；Sound emission optical scanning head of the invention, light-emitting window use small structure,
High frequency orients the directed sound beams that sound emission element issues and passes through light-emitting window aperture, acts on external photosensitive liquid macroimolecule material
On liquid level, acoustic pressure and standing wave collective effect form in stable condition vacuole structure outside light-emitting window；Sound emission light of the invention is swept
Head is retouched, the light beam that orientation photocuring light source issues is radiated at the photosensitive liquid of vacuole central area across light-emitting window aperture
On macromolecule material, excites the region that photocuring reaction occurs and generate solidfied material；Sound emission optical scanning head of the invention is determined
The light beam issued to photocuring light source is radiated on photosensitive liquid macroimolecule material by gas-liquid interface, and photocuring reaction is generated
It is solid-gas interface between solidfied material and sound emission optical scanning head, rather than solid-solid tacky state；Sound hair of the invention
Optical scanning head is penetrated, light beam irradiates generated solidfied material and is located at outside light-emitting window aperture, and sixdegree-of-freedom simulation drives sound emission
When optical scanning head transverse shifting, continuous scanning photocuring, not only without removing solidfied material from light-emitting window, solidfied material will not also be invaded
Enter or block light-emitting window aperture.
Sixdegree-of-freedom simulation of the invention can drive sound emission optical scanning head, the photosensitive liquid macroimolecule object in liquid bath
Scan photocuring along any non-interfering space path in material, not only can on planar-formed substrate by constant monolayer immobilization thickness by
Layer photocuring also can follow its surface profile photocuring, and raw in surfaces of solids such as free form surface forming board, cured objects
At free form surface monolayer immobilization object；Sixdegree-of-freedom simulation of the invention can drive sound emission optical scanning head, along non-gravity direction
Layer-by-layer photocuring, therefore Gravity support structure can be cancelled, it can be used for generating complicated fine structure；Six degree of freedom of the invention is mechanical
Arm can drive sound emission optical scanning head, and along the layer-by-layer photocuring in direction for being conducive to structural strength, it is strong to be conducive to generation oriented structure
Spend more preferably photocuring three-dimensional body that formed；Sixdegree-of-freedom simulation of the invention can drive sound emission optical scanning head, change in real time
Scanning speed and light-source brightness, to generate thickness distribution flexibly adjustable monolayer immobilization object, and then in layer-by-layer Light Curing
Dynamic adjusts successively accumulation direction.
In the present invention, the light beam that orientation photocuring light source issues is only straight by gas-liquid interface without penetrating solid dielectric
It connects and is radiated on photosensitive liquid macroimolecule material, energy of light source utilization rate is high；Sound emission gas-liquid interface photocuring three of the invention
Manufacturing process is tieed up, the solidfied material that photocuring reaction generates is attached directly to target surface, is not necessarily to from sound emission optical scanning head
Removing, solidfied material are fast without removing damage, forming speed；Sound emission gas-liquid interface photocuring three-dimensional method of the invention,
Successively solidification direction is flexibly adjustable, three-dimensional flexibility ratio is high, formed body good mechanical property；
It is high to be only used for the photosensitive liquid that forming board is submerged liquid bath before starting photocuring to self-powered platform of the invention
In molecule material, and after photocuring by three-dimensional body that formed together with forming board rise from liquid bath, successively scan photocuring
Whole precise motions of process pass through six free mechanical arms and realize；The present invention program is reasonable, photocuring three-dimensional effect is good,
It is easy to promote and apply in high-precision, high-performance optical solidification three-dimensional equipment.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is overall structure perspective view of the invention；
Fig. 3 is the structural schematic diagram of sound emission optical scanning head；
Fig. 4 is Single Slice Mode photocuring schematic diagram；
Fig. 5 is the top view of liquid bath in Single Slice Mode Light Curing；
Fig. 6 is control signal connection figure of the invention；
Description of symbols: rigid frame 1, top plate 2, liquid bath 3, photosensitive liquid macroimolecule material 4, hoistable platform 5, forming
Substrate 6, photocuring three-dimensional body that formed 7, sixdegree-of-freedom simulation 8, sound emission optical scanning head 9, hollow housing 901, power supply and control
Signal harness 902 processed, high frequency orient sonic wave emitting elements array 903, orient photocuring light source 904, sealing hole 905, light hole
906, vacuole 907, solidfied material 908, cured object 10, partial mono-layer solidfied material 11, linear solidfied material 12, photocuring controller
20。
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Embodiment: a kind of sound emission gas-liquid interface photocuring three-dimensional device, as shown in Figure 1, 2,1 top of rigid frame
There is top plate 2, there is liquid bath 3 in rigid frame 1, there is photosensitive liquid macroimolecule material 4 in liquid bath 3, the opening of liquid bath 3 is entrenched in top plate
On 2；Hoistable platform 5 is fixed on top plate 2, and hoistable platform 5 is connected with forming board 6, and forming board 6 can be in hoistable platform 5
It is submerged under driving in photosensitive liquid macroimolecule material 4, or emersion liquid bath 3, has photocuring three-dimensional body that formed 7 on forming board 6；Six
The pedestal of degree-of-freedom manipulator 8 is fixed on top plate 2, and the end of sixdegree-of-freedom simulation 8 is connect with sound emission optical scanning head 9,
Sixdegree-of-freedom simulation 8 can drive sound emission optical scanning head 9 to remove liquid bath 3, can also drive sound emission optical scanning head 9 to submerge photosensitive
Liquid macroimolecule material 4, and spacescan movement is done in photosensitive liquid macroimolecule material 4；It sweeps in 9 space of sound emission optical scanning head
Retouch first floor scanning surface that movement is formed and 6 surface shape of forming board coincide, other layers of scanning surface and photocuring three-dimensional body that formed 7
The section configuration of each cured layer is coincide.
As shown in figure 3, sound emission optical scanning head 9 is oriented by hollow housing 901, power supply and control signal wire beam 902, high frequency
Sonic wave emitting elements array 903, orientation photocuring light source 904 form；High frequency orients sonic wave emitting elements array 903, directional light
Curing light source 904 is located at the cavity bottom of hollow housing 901, and orients photocuring light source 904 and be located at high frequency orientation sound wave transmitting
The central area of element arrays 903；Power supply and control signal wire beam 902 and high frequency orientation sonic wave emitting elements array 903, orientation
Photocuring light source 904 is connected, and is drawn out to outside sound emission optical scanning head 9 from the sealing hole 905 of 901 tail portion of hollow housing；It is high
Frequency orientation sonic wave emitting elements array 903 issues high frequency directed sound beams, is placed through the light hole on 901 head of hollow housing
906, it acts on photosensitive 4 liquid level of liquid macroimolecule material outside light hole 906, forms vacuole 907；Orient photocuring light source
904 directional beams issued, on the photosensitive liquid macroimolecule material 4 that light hole 906 is radiated at 907 central area of vacuole,
It excites the region that photocuring reaction occurs and forms solidfied material 908, solidfied material 908 is located at outside light hole 906, with sound emission light
Probe 9 is without solid-solid bonding interface.
As shown in fig. 6, photocuring controller 20 is connect with hoistable platform 5, photocuring controller 20 and six degree of freedom are mechanical
Arm 8 connects, and photocuring controller 20 is connect with sound emission optical scanning head 9；It is flat that photocuring controller 20 sends an electrical signal to lifting
Platform 5 drives forming board 6 to be submerged in the photosensitive liquid macroimolecule material 4 of liquid bath 3 before photocuring to control hoistable platform 5, and
Forming board 6 and photocuring three-dimensional body that formed 7 is driven to rise from from liquid bath 3 after photocuring；Photocuring controller 20 issues
Electric signal drives sound emission optical scanning head 9 to control sixdegree-of-freedom simulation 8, starts in photocuring to sixdegree-of-freedom simulation 8
It is preceding to be removed from liquid bath 3 with after, and photocuring is scanned by each layer scan path in Light Curing；Photocuring control
Device 20 processed sends an electrical signal to sound emission optical scanning head 9, to control sound emission optical scanning head 9 in entire Light Curing, dimension
The sound wave transmitting of high frequency orientation sonic wave emitting elements array 903 is held, and controls orientation photocuring light source 904 in scanning photocuring area
Domain maintains directional beam transmitting.
A kind of sound emission gas-liquid interface photocuring three-dimensional method, as shown in Figure 4,5, forming board 6, which is equipped with, have been consolidated
Compound 10, sixdegree-of-freedom simulation 8 drive sound emission optical scanning head 9 to carry out the scanning solidification of current layer, current layer scanner section
It is mitogenetic at partial mono-layer solidfied material 11 be attached to cured 10 surface of object；Sixdegree-of-freedom simulation 8 drives in not yet scanning area
Sound emission optical scanning head 9 is moved along 11 edge of partial mono-layer solidfied material, is intensively scanned line by line by the surface shape of cured object 10；It sweeps
During retouching, the light beam continuous moving that sound emission optical scanning head 9 projects forms linear solidfied material 12 on cured 10 surface of object,
11 close-packed arrays of partial mono-layer solidfied material that linear solidfied material 12 is generated with sweep test, so that partial mono-layer solidfied material 11
Area is constantly expanded, and after sixdegree-of-freedom simulation 8 drives sound emission optical scanning head 9 to complete this layer of scanning area, generates this layer
Solidfied material is completely attached to cured 10 surface of object.
Sound emission optical scanning head of the invention also can be used multiple beam and be arranged in one-dimensional, two-dimensional array mode, to be promoted
The light energy and exposure efficiency of Light Curing；Sixdegree-of-freedom simulation of the invention also can drive multiple sound emission light to sweep simultaneously
Head is retouched, laser curing velocity is scanned with further promotion；Also settable multiple independent or cooperation six is free on liquid bath of the invention
Mechanical arm is spent, while concurrently carrying out the photocuring three-dimensional of multiple identical parts or cooperating simultaneously to complete single heavy parts
Photocuring three-dimensional, with meet batch or larger single production requirement.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (4)
1. a kind of sound emission gas-liquid interface photocuring three-dimensional device, including rigid frame (1), it is characterized in that: rigid frame
(1) top is equipped with top plate (2), is equipped with liquid bath (3) in rigid frame (1), and photosensitive liquid macroimolecule material is equipped in liquid bath (3)
(4), the opening of liquid bath (3) is chimeric with top plate (2)；It is fixed on top plate (2) hoistable platform (5), hoistable platform (5) and forming base
Plate (6) is connected, and forming board (6) can move up and down in liquid bath (3) in the case where hoistable platform (5) drive, and forming board is set on (6)
There are photocuring three-dimensional body that formed (7)；The pedestal of sixdegree-of-freedom simulation (8) is fixed on top plate (2), sixdegree-of-freedom simulation
(8) end is connect with sound emission optical scanning head (9), and sixdegree-of-freedom simulation (8) can drive sound emission optical scanning head (9) in liquid
Spacescan movement is done in slot (3).
2. sound emission gas-liquid interface photocuring three-dimensional device according to claim 1, it is characterized in that: sound emission light is swept
Retouching head (9) includes hollow housing (901), and high frequency orients sonic wave emitting elements array (903), orientation photocuring light source (904) position
Cavity bottom in hollow housing (901), and orient photocuring light source (904) and be located at high frequency orientation sonic wave emitting elements array
(903) central area；Power supply and control signal wire beam (902) and high frequency orient sonic wave emitting elements array (903), directional light
Curing light source (904) connection, and sound emission optical scanning head (9) is drawn out to outside from the sealing hole (905) of hollow housing (901) tail portion
Portion；Hollow housing (901) head is equipped with light hole (906).
3. sound emission gas-liquid interface photocuring three-dimensional device according to claim 1 or 2, it is characterized in that: photocuring
Controller (20) is connect with hoistable platform (5), sixdegree-of-freedom simulation (8), sound emission optical scanning head (9) respectively.
4. a kind of sound emission gas-liquid interface photocuring three-dimensional method using device described in claim 1, including it is following
Step:
Sixdegree-of-freedom simulation (8) drives sound emission optical scanning head (9) to carry out the scanning solidification of current layer, current layer scanner section
It is mitogenetic at partial mono-layer solidfied material (11) be attached to cured object (10) surface；Sixdegree-of-freedom simulation (8) is not yet scanning
Region, driving sound emission optical scanning head (9) along partial mono-layer solidfied material (11) edge, by cured object (10) surface shape by
The intensive scanning of row；In scanning process, the light beam continuous moving that sound emission optical scanning head (9) projects, on cured object (10) surface
Linear solidfied material (12) is formed, the partial mono-layer solidfied material (11) that linear solidfied material (12) generates with sweep test is closely arranged
Column, so that the area of partial mono-layer solidfied material (11) is constantly expanded, sixdegree-of-freedom simulation (8) drives sound emission optical scanning head
(9) it after completing this layer of scanning area, generates this layer of solidfied material and is completely attached to cured object (10) surface.
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Application publication date: 20191108 Assignee: Fujian Anshi Jiuxin Digital Technology Co.,Ltd. Assignor: HANGZHOU DEDI INTELLIGENT TECHNOLOGY Co.,Ltd. Contract record no.: X2023980049318 Denomination of invention: A three-dimensional forming device and method for acoustic emission gas-liquid interface photocuring Granted publication date: 20210615 License type: Exclusive License Record date: 20231201 |