CN106273512B - Continuance lifting photocuring oxygen flow molding machine - Google Patents
Continuance lifting photocuring oxygen flow molding machine Download PDFInfo
- Publication number
- CN106273512B CN106273512B CN201610892168.7A CN201610892168A CN106273512B CN 106273512 B CN106273512 B CN 106273512B CN 201610892168 A CN201610892168 A CN 201610892168A CN 106273512 B CN106273512 B CN 106273512B
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- Prior art keywords
- oxygen
- oxygen flow
- light transmission
- layer
- slot
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Classifications
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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
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention discloses a kind of continuance lifting photocuring oxygen flow molding machines, belong to photocuring 3D printing engineering device technique field, include for holding the resin storage tank of photosensitive resin, the light transmission oxygen flow film/layer positioned at resin trench bottom, the print platform that is arranged above resin storage tank and the projection arrangement being arranged below resin storage tank, wherein, resin storage tank is internally provided with oxygen slot, oxygen slot is hollow structure, inside is filled with oxygen, the upper end of oxygen slot and side sealing, bottom end opening and contact with light transmission oxygen flow film/layer；Continuance lifting photocuring oxygen flow molding machine further includes the driving device for driving light transmission oxygen flow film/layer to be moved below oxygen slot.Compared with prior art, the present invention, which realizes, continuously supplies oxygen light transmission oxygen permeation membrane/layer surface, solving the problems, such as that blind area resin solidification, printout are Nian Jie with light transmission oxygen flow film/layer can not continuous curing molding, and have many advantages, such as to extend the service life of light transmission oxygen flow film/layer, improve CLIP photocuring printout success rates.
Description
Technical field
The present invention relates to photocuring 3D printing engineering device technique field, more particularly to a kind of continuance lifting photocuring oxygen flow molding
Device.
Background technology
3D printing is one kind of rapid shaping technique, and rapid shaping technique does not need dedicated tool and mold, has pole
Big flexibility, and manufacturing technology steps are simple, the manufacturing speed of product is fast when single-piece production, when can shorten product development
Between, reduce development cost.
Continuous liquid level production (CLIP) technology is a kind of rapid shaping technique that latest developments are got up, and principle is：Bottom
Equipped with ultraviolet optical projection device, ultraviolet light makes way for the solidification of the photosensitive resin in raw material tank, and oxygen inhibition cures, raw material trench bottom
Equipped with light transmission oxygen flow film/layer, this light transmission oxygen flow film/layer can penetrate oxygen, the liquid resin of raw material trench bottom simultaneously with light transmission
Stable Liquid region (blind area) is kept due to contact oxygen, ensures that cured continuity in this way.This technology is most heavy
Two advantages wanted, one is print speed near subversiveness degree, 25~100 times faster than traditional 3D printer；Separately
Outer one be can be unlimited fine and smooth on theory of hierarchies.
The key of this technology is the light transmission oxygen flow film/layer of bottom, it be it is compound, not only can be with light transmission but also can be saturating
Oxygen is crossed, tiny or porous structure can be printed.But print when larger printout that oxygen can not obtain in light transmission oxygen flow film/layer
To lasting supplement, makes blind area resin solidification, and printout is easily Nian Jie with light transmission oxygen flow film/layer, finally can not continuously be solidified into
Type, while light transmission oxygen flow film/layer aging is caused, reduce service life.
Invention content
The technical problem to be solved in the present invention is to provide a kind of continuance lifting photocuring oxygen flow molding machine, realize pair
Light transmission oxygen permeation membrane/layer surface continuously supplies oxygen, and solves that blind area resin solidification, printout are Nian Jie with light transmission oxygen flow film/layer to be connected
The problem of continuous curing molding, extends the service life of light transmission oxygen flow film/layer, improves CLIP photocuring printout success rates.
In order to solve the above technical problems, present invention offer technical solution is as follows：
Continuance lifting photocuring oxygen flow molding machine includes for holding the resin storage tank of photosensitive resin, being located at the resin
The light transmission oxygen flow film/layer of trench bottom, the print platform being arranged above the resin storage tank and it is arranged below the resin storage tank
Projection arrangement, wherein：The resin storage tank is internally provided with oxygen slot, and the oxygen slot is hollow structure, and inside is filled with oxygen,
The upper end of the oxygen slot and side sealing, the bottom end opening of the oxygen slot and contact with the light transmission oxygen flow film/layer；
The continuance lifting photocuring oxygen flow molding machine further includes the driving light transmission oxygen flow film/layer in the oxygen slot
The driving device of lower section movement, the driving device can be bonded friction-driven either to wait respectively by what connecting rod directly drove
Kind driving device.
Preferably, the oxygen slot is fixed in the resin storage tank, and the light transmission oxygen flow film/layer is only fitted in the resin
The bottom of slot, the driving device are located at the bottom of the light transmission oxygen flow film/layer, are drivingly connected the light transmission oxygen flow film/layer, from
And the different piece of the light transmission oxygen flow film/layer is caused to be contacted with the oxygen slot, when the light transmission oxygen permeation membrane/layer surface oxygen
When concentration is relatively low, oxygen diffuses to the light transmission oxygen permeation membrane/layer surface by the oxygen slot so that the light transmission oxygen flow film/layer
Surface blind region is stabilized.
Further, the driving device is a pair of of the roller being arranged in oxygen slot both sides, the top of the roller
Higher than the bottom end of the oxygen slot, so that the light transmission oxygen flow film/layer between the roller is deformed upon, enhance the oxygen slot
Leakproofness.
Preferably, the light transmission oxygen flow film/layer is fixedly connected with the side wall of the resin storage tank, the oxygen slot and resin storage tank
It individually fixes, the driving device is drivingly connected the side wall of the resin storage tank, and the movement of the side wall drives the light transmission
Oxygen flow film/layer moves, and realizes that the light transmission oxygen permeation membrane/layer surface continuously supplies oxygen.
Preferably, the resin storage tank further includes fixing company positioned at the resin groove center and with the light transmission oxygen flow film/layer
The axis connect, is provided with axle sleeve on the axis, and oxygen slot both ends are separately fixed at the side wall of the resin storage tank and described
On axle sleeve, the driving device is drivingly connected the axis, and the axis drives the light transmission oxygen flow film/layer movement, makes described
Light transmission oxygen permeation membrane/layer surface blind area is stabilized.
Further, the resin storage tank is square structure, and the driving device drives the light transmission oxygen flow film/layer level side
To reciprocating motion, ensure that the light transmission oxygen flow film/layer is completely attached to the oxygen slot.
Further, the resin storage tank is circular configuration, and the driving device drives the light transmission oxygen flow film/layer horizontal plane
Interior rotary motion ensures that the light transmission oxygen flow film/layer is completely attached to the oxygen slot.
To ensure oxygen concentration in the oxygen slot, the oxygen slot is connected with oxygenate apparatus by oxygen channel, described
Barostat is provided between oxygen slot and oxygenate apparatus, the oxygen slot internal pressure is 0.1~10MPa.
Preferably, the oxygen slot number amount is one or more；
The light transmission oxygen flow film/layer is oxygen flow silica gel.
The invention has the advantages that：
The invention discloses a kind of continuance lifting photocuring oxygen flow molding machines, include the resin for holding photosensitive resin
Slot, the light transmission oxygen flow film/layer positioned at resin trench bottom, the print platform that is arranged above resin storage tank and it is arranged below resin storage tank
Projection arrangement, wherein：Resin storage tank is internally provided with oxygen slot, and oxygen slot is hollow structure, and inside is filled with oxygen, oxygen slot
Upper end and side sealing, bottom end opening and contacted with light transmission oxygen flow film/layer；Continuance lifting photocuring oxygen flow molding machine also wraps
Include the driving device that driving light transmission oxygen flow film/layer moves below oxygen slot.When driving device driving light transmission oxygen flow film/layer movement
When, oxygen groove bottom is contacted with light transmission oxygen permeation membrane/layer surface different location, when light transmission oxygen permeation membrane/layer surface oxygen concentration is relatively low
When, oxygen can diffuse to light transmission oxygen permeation membrane/layer surface automatically, realize light transmission oxygen permeation membrane/layer surface and continuously supply oxygen, can effectively prevent
Only blind area photosensitive resin cures, and to prevent printout and light transmission oxygen flow film/layer adhesion, improves making for light transmission oxygen flow film/layer
With the service life, the success rate of CLIP photocuring printouts is further improved.To sum up, the present invention is not only realized to light transmission oxygen flow
Film/layer surface continuously supplies oxygen, and solves that blind area resin solidification, printout are Nian Jie with light transmission oxygen flow film/layer finally can not continuously to be consolidated
The problem of chemical conversion type, and with the service life for extending light transmission oxygen flow film/layer, improve CLIP photocuring printout success rates etc.
Advantage.
Description of the drawings
Fig. 1 is the structural schematic diagram of the continuance lifting photocuring oxygen flow molding machine of the embodiment of the present invention one；
Fig. 2 is a kind of sectional view of the continuance lifting photocuring oxygen flow molding machine oxygen slot of the present invention；
Fig. 3 is the structural schematic diagram of the continuance lifting photocuring oxygen flow molding machine of the embodiment of the present invention two；
Fig. 4 is the structural schematic diagram of the continuance lifting photocuring oxygen flow molding machine of the embodiment of the present invention three；
Fig. 5 is the structural schematic diagram of the continuance lifting photocuring oxygen flow molding machine of the embodiment of the present invention four；
Fig. 6 is the structural schematic diagram of the continuance lifting photocuring oxygen flow molding machine of the embodiment of the present invention five.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of continuance lifting photocuring oxygen flow molding machine, as shown in figures 1 to 6, including is used to hold photosensitive
The resin storage tank of resin 10 is located at the light transmission oxygen flow film/layer 11 of resin trench bottom, 8 He of print platform being arranged above resin storage tank
The projection arrangement 12 being arranged below resin storage tank, wherein：Resin storage tank is internally provided with oxygen slot 5, and oxygen slot 5 is hollow structure,
Inside is filled with oxygen, the upper end of oxygen slot 5 and side sealing, bottom end opening and is contacted with light transmission oxygen flow film/layer 11；
Continuance lifting photocuring oxygen flow molding machine further includes that driving light transmission oxygen flow film/layer 11 moves below oxygen slot 5
Driving device.
The invention discloses a kind of continuance lifting photocuring oxygen flow molding machines, and light transmission oxygen flow is driven by driving device
Film/layer moves below oxygen slot, and oxygen groove bottom is contacted with light transmission oxygen permeation membrane/layer surface different location, realizes light transmission oxygen flow
Film/layer surface continuously supplies oxygen, and blind area photosensitive resin can be effectively prevent to cure, to prevent printout viscous with light transmission oxygen flow film/layer
Even, the service life of light transmission oxygen flow film/layer is improved, the success rate of CLIP photocuring printouts is further improved；The present invention
Continuance lifting photocuring oxygen flow molding machine not only realize light transmission oxygen permeation membrane/layer surface continuously supplied oxygen, solve blind area
Resin solidification, printout it is Nian Jie with light transmission oxygen flow film/layer finally can not continuous curing molding the problem of, and with extend light transmission
The advantages that service life of oxygen flow film/layer, raising CLIP photocuring printout success rates.
Technical scheme of the present invention is described in detail with five specific embodiments below.
Embodiment one：
As depicted in figs. 1 and 2, in the present embodiment, resin storage tank 114 is circular configuration, and two oxygen slots 5 are fixed on resin storage tank
On 114 side wall 104, light transmission oxygen flow film/layer 11 is only fitted in the bottom of resin storage tank 114, driving device be located at light transmission oxygen permeation membrane/
The bottom of layer 11 is drivingly connected 11 rotary motion in the horizontal plane of light transmission oxygen flow film/layer, so as to cause light transmission oxygen flow film/layer 11
Different piece contacted with oxygen slot 5, when 11 surface oxygen concentration of light transmission oxygen flow film/layer is relatively low, oxygen is spread by oxygen slot 5
To 11 surface of light transmission oxygen flow film/layer so that 11 surface blind region of light transmission oxygen flow film/layer is stabilized.
When projection arrangement 12 is projected out the ultraviolet light beam set, ultraviolet light beam is irradiated to the connection of 8 lower part of print platform
On printout 9, irradiation area photosensitive resin 10 is set to cure, but due to the presence of oxygen in blind area so that blind area photosensitive resin 10
It cannot cure, printout 9 can be effectively prevent Nian Jie with light transmission oxygen flow film/layer 11, improve the success rate of printing.
In the present embodiment, as shown in Fig. 2, driving device can be a pair of of the roller 13 being arranged in 5 both sides of oxygen slot, roller
Son 13 is connected with motor, when motor driven roller 13 rotates so that 11 horizontal rotation in surface of light transmission oxygen flow film/layer is realized saturating
11 surface of light oxygen flow film/layer continuously supplies oxygen.Preferably, the top of roller 13 be higher than oxygen slot 5 bottom end, make be located at roller 13 it
Between light transmission oxygen flow film/layer 11 deform upon, the leakproofness of enhancing oxygen slot 5.
In the present embodiment, the type of drive of driving device can be that fitting friction-driven is either directly driven by connecting rod
Deng.
Embodiment two：
As shown in figure 3, in the present embodiment, resin storage tank 214 is square structure；Driving device drive connection light transmission oxygen permeation membrane/
Layer 11 moves back and forth in the horizontal direction, remaining technical characteristic is identical as embodiment one.
In the present embodiment, the type of drive of driving device can be that fitting friction-driven is either directly driven by connecting rod
Deng.
Embodiment three：
As shown in figure 4, in the present embodiment, resin storage tank 314 is circular configuration, light transmission oxygen flow film/layer 11 and resin storage tank 314
Side wall 304 is fixedly connected.It is internally provided with an oxygen slot 5 in resin storage tank 314, oxygen slot 5 and resin storage tank 314 are individually solid
Fixed, the side wall 304 that driving device is drivingly connected resin storage tank 314 rotates in the horizontal plane, drives light transmission oxygen flow film/layer 11 in level
It is rotated in face, causes the different piece of light transmission oxygen flow film/layer 11 to be contacted with oxygen slot 5, when the oxygen on 11 surface of light transmission oxygen flow film/layer
When gas concentration is relatively low, oxygen maintains 11 surface of light transmission oxygen flow film/layer by diffusing to 11 surface of light transmission oxygen flow film/layer in oxygen slot 5
Blind area is stabilized.
In the present embodiment, driving device, which can be that motor either driving rod drive etc. is various, can drive resin storage tank
The device that 314 side wall 304 moves.
Example IV：
As shown in figure 5, in the present embodiment, resin storage tank 414 is square structure, and driving device is drivingly connected resin storage tank 414
Side wall 404 moves back and forth in the horizontal direction, drives light transmission oxygen flow film/layer 11 to move back and forth in the horizontal direction so that light transmission
11 surface blind region of oxygen flow film/layer is stabilized.Remaining technical characteristic is identical as embodiment three.
In the present embodiment, driving device, which can be that motor either driving rod drive etc. is various, can drive resin storage tank
The device that 414 side wall 404 moves.
Embodiment five：
As shown in fig. 6, in the present embodiment, resin storage tank 514 is circular configuration, and two oxygen are internally provided in resin storage tank 514
Air drain 5, meanwhile, resin storage tank 514 further includes the axis for being located at 514 center of resin storage tank and being fixedly connected with light transmission oxygen flow film/layer 11
7, axle sleeve 6 is provided on axis 7, and 5 both ends of oxygen slot are separately fixed on the side wall 504 and axle sleeve 6 of resin storage tank 514, driving dress
It sets and is drivingly connected the rotary motion in the horizontal plane of axis 7, to drive light transmission oxygen flow film/layer 11 to move, make light transmission oxygen flow film/layer
11 surface blind regions are stabilized.
Other than above-described embodiment 1-5, the relative motion relation between oxygen slot 5 and light transmission oxygen flow film/layer 11 may be used also
In the form of the other structures being readily apparent that using those skilled in the art, as long as can be continuous to 11 surfaces of light transmission oxygen flow film/layer
Supplemental oxygen does not influence the realization of technical solution of the present invention.
Above example can also be filled oxygen slot 5 by the connection of oxygen channel 3 to adjust oxygen concentration in oxygen slot 5
Oxygen device 1 is provided with barostat 2 between oxygen slot 5 and oxygenate apparatus 1, make 5 internal pressure of oxygen slot be maintained at 0.1~
10MPa。
Further, the light transmission oxygen flow film/layer 11 is oxygen flow silica gel.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. continuance lifting photocuring oxygen flow molding machine includes for holding the resin storage tank of photosensitive resin, being located at the resin storage tank
Light transmission oxygen flow film/layer, the print platform being arranged above the resin storage tank and the throwing being arranged below the resin storage tank of bottom
Image device, which is characterized in that the resin storage tank is internally provided with oxygen slot, and the oxygen slot is hollow structure, and inside is filled with
Oxygen, the upper end of the oxygen slot and side sealing, the bottom end opening of the oxygen slot and connect with the light transmission oxygen flow film/layer
It touches；
The continuance lifting photocuring oxygen flow molding machine further includes the driving light transmission oxygen flow film/layer below the oxygen slot
Mobile driving device.
2. continuance lifting photocuring oxygen flow molding machine according to claim 1, which is characterized in that the oxygen slot is fixed
In the resin storage tank, the light transmission oxygen flow film/layer is only fitted in the bottom of the resin storage tank, and the driving device is located at described
The bottom of light transmission oxygen flow film/layer is drivingly connected the light transmission oxygen flow film/layer.
3. continuance lifting photocuring oxygen flow molding machine according to claim 2, which is characterized in that the driving device is
A pair of of roller in oxygen slot both sides is set, and the top of the roller is higher than the bottom end of the oxygen slot.
4. continuance lifting photocuring oxygen flow molding machine according to claim 1, which is characterized in that the light transmission oxygen flow
Film/layer is fixedly connected with the side wall of the resin storage tank, and the oxygen slot and resin storage tank are individually fixed, and the driving device is driven
The side wall of the dynamic connection resin storage tank.
5. continuance lifting photocuring oxygen flow molding machine according to claim 1, which is characterized in that the resin storage tank also wraps
The axis for being located at the resin groove center and being fixedly connected with the light transmission oxygen flow film/layer is included, axle sleeve is provided on the axis,
Oxygen slot both ends are separately fixed on the side wall and the axle sleeve of the resin storage tank, described in the driving device drive connection
Axis.
6. according to any continuance lifting photocuring oxygen flow molding machines of claim 2-4, which is characterized in that the resin
Slot is square structure, and the driving device drives the light transmission oxygen flow film/layer horizontal direction to move back and forth, and ensures that the light transmission is saturating
Oxygen film/layer is completely attached to the oxygen slot.
7. according to any continuance lifting photocuring oxygen flow molding machines of claim 2-5, which is characterized in that the resin
Slot is circular configuration, and the driving device drives rotary motion in the light transmission oxygen flow film/layer horizontal plane, ensures that the light transmission is saturating
Oxygen film/layer is completely attached to the oxygen slot.
8. according to any continuance lifting photocuring oxygen flow molding machines of claim 1-5, which is characterized in that the oxygen
Slot is connected with oxygenate apparatus by oxygen channel, and barostat, the oxygen are provided between the oxygen slot and oxygenate apparatus
Air drain internal pressure is 0.1~10MPa.
9. continuance lifting photocuring oxygen flow molding machine according to claim 8, which is characterized in that the oxygen slot number amount
For one or more.
10. continuance lifting photocuring oxygen flow molding machine according to claim 9, which is characterized in that the light transmission oxygen flow
Film/layer is oxygen flow silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892168.7A CN106273512B (en) | 2016-10-13 | 2016-10-13 | Continuance lifting photocuring oxygen flow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892168.7A CN106273512B (en) | 2016-10-13 | 2016-10-13 | Continuance lifting photocuring oxygen flow molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN106273512A CN106273512A (en) | 2017-01-04 |
| CN106273512B true CN106273512B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610892168.7A Active CN106273512B (en) | 2016-10-13 | 2016-10-13 | Continuance lifting photocuring oxygen flow molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633978A (en) * | 2020-06-04 | 2020-09-08 | 重庆秋平模型有限公司 | 3D printer of multi-nozzle type melting technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986780A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Stereolithography 3D printing method and its Stereolithography 3D printing object |
| CN108614072B (en) * | 2018-03-29 | 2021-01-15 | 西安理工大学 | Continuous liquid level photocuring forming polymerization inhibition zone characteristic test device |
| CN110027209A (en) * | 2019-05-23 | 2019-07-19 | 先临三维科技股份有限公司 | Rapid photocuring 3D printer magazine and 3D printer |
| CN114770929A (en) * | 2022-05-07 | 2022-07-22 | 深圳永昌和科技有限公司 | 3D printing device and method based on coating resin |
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| US5122441A (en) * | 1990-10-29 | 1992-06-16 | E. I. Du Pont De Nemours And Company | Method for fabricating an integral three-dimensional object from layers of a photoformable composition |
| JPH0655643A (en) * | 1992-08-06 | 1994-03-01 | Asahi Chem Ind Co Ltd | Manufacture of light molded form and device therefor |
| US7906061B2 (en) * | 2005-05-03 | 2011-03-15 | 3D Systems, Inc. | Bubble-free cross-sections for use in solid imaging |
| ES2934103T3 (en) * | 2011-01-31 | 2023-02-16 | Global Filtration Systems Dba Gulf Filtration Systems Inc | Apparatus for manufacturing three-dimensional objects from multiple solidifiable materials |
| CN104890245B (en) * | 2015-04-28 | 2017-07-28 | 北京金达雷科技有限公司 | A kind of photosensitive resin pond and utilize its photocuring 3D printer and Method of printing |
| CN105619819B (en) * | 2016-02-18 | 2017-12-29 | 苏州苏大维格光电科技股份有限公司 | A kind of three-dimensional modeling apparatus and method |
| CN206186363U (en) * | 2016-10-13 | 2017-05-24 | 北京紫晶立方科技有限公司 | Continuous improvement photocuring passes through oxygen forming device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633978A (en) * | 2020-06-04 | 2020-09-08 | 重庆秋平模型有限公司 | 3D printer of multi-nozzle type melting technology |
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