CN203665945U - Three-dimensional photo-curing printer based on DLP (digital light processing) projection - Google Patents
Three-dimensional photo-curing printer based on DLP (digital light processing) projection Download PDFInfo
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- CN203665945U CN203665945U CN201320332935.0U CN201320332935U CN203665945U CN 203665945 U CN203665945 U CN 203665945U CN 201320332935 U CN201320332935 U CN 201320332935U CN 203665945 U CN203665945 U CN 203665945U
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Abstract
The utility model discloses a three-dimensional photo-curing printer based on DLP (digital light processing) projection. The printer comprises a computer system (2), an automatic control system, a DLP projection system (1), a forming work tank (3), a material supply system (4) and a lifting system. Compared with a three-dimensional printer in the prior art, the three-dimensional photo-curing printer based on DLP projection has the advantages that forming speed and printing accuracy are high, the surface of a formed product is continuous and free of the layering phenomenon, and the printer is suitable for performing photo-curing forming on different light-sensitive materials with various intensity.
Description
Technical field
The utility model relates to rapid three dimensional printing forming field, relates in particular to a kind of based on DLP projection photocurable three-dimensional printer.
Background technology
3 D-printing, to design a model as source taking Computerized three-dimensional, discrete and the numerical control molding system by software hierarchy, utilize the mode such as laser beam, hot melt nozzle that the special materials such as metal dust, ceramic powders, plastics, cell tissue are successively piled up and cohered, final stack moulding, produces the technology of entity products.This technology is a kind of growth form manufacturing technology based on " discrete/to pile up " thought, utilizes computer technology that threedimensional model is separated into a series of two-dimensional section figure along a direction, then according to sectional view information, successively prints and piles up moulding.In every one deck is printed, utilize accurate shower nozzle in the powder plane of completing in advance, to spray bonding solution, powder in jeting area is bondd, then by the powder plane decline certain altitude of having printed layer overlay powder in the above, the printing of preparing next sectional view.So circulation, successively bonding is piled up, until all sectional view Print Alls of whole threedimensional model complete, through post processing, removes the not powder of bonding, has just formed entity threedimensional model.
The utility model patent that for example patent No. is 201220076363.X discloses a kind of piezoelectric three dimension printing shaping system, this system comprises casing and support frame thereof, X is to motion, bearing structure, powder chamber, 3-D view divides layer scattering mechanism, Pu Fen mechanism and piezoelectric type shower nozzle, wherein: described X is arranged on support frame to motion, comprise stepper motor, along X-direction setting and two Timing Belts being parallel to each other, and across between described parallel Timing Belt and with the joining power transmission shaft of described stepper motor, the two ends of this power transmission shaft are separately installed with synchronous pulley, drive thus the described parallel Timing Belt being attached thereto to carry out the motion of X-direction, the both sides of described bearing structure are connected in respectively on described parallel Timing Belt, for carrying described piezoelectric type shower nozzle and Pu Fen mechanism, described powder chamber is arranged in casing and is positioned under described bearing structure, comprises powder storing chamber and forming cavity, is respectively used to deposit the dusty material that forms 3-D view entity, described 3-D view divides layer scattering mechanism for the 3-D view that needs moulding is separated into a series of continuous two-dimensional sheet image according to certain floor height, described Pu Fen mechanism is arranged on described bearing structure with its X to motion campaign, and divides the floor height that layer scattering mechanism sets successively the dusty material of corresponding height to be promoted to transfer to forming cavity from described powder storing chamber according to described 3-D view, described piezoelectric type shower nozzle is arranged on described bearing structure with its X to motion campaign, can move back and forth along the Y direction perpendicular to X-direction simultaneously, for spraying respectively the solution as binding agent to the dusty material that is pushed into successively forming cavity by described Pu Fen mechanism, carry out thus the molding bonded to dusty material.
Shape, cut with final production finished product different by the machining such as mould, turnning and milling mode to raw material from traditional manufacture, 3D solid is become several two dimensional surfaces by 3 D-printing, by material processed successively stack are produced, greatly reduce the complexity of manufacture.This digitlization manufacturing mode does not need complicated technique, does not need huge lathe, does not need numerous manpowers, directly from computer graphics data, just can generate the part of any shape, makes to manufacture to be able to extend to wider production crowd scope.But three-dimensional printer of the prior art, major defect is that external surface of objects layering sense is fairly obvious, and precision is low, and shaping speed is slow.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of three-dimensional printer of being combined with photo-curing material based on DLP shadow casting technique, can ensure that shaped article can reach effective transition between layers, surface does not have layering sense continuously, the thinnest 0.2mm that reaches of bed thickness, and shaping speed is very fast.
For addressing the above problem, the utility model is a kind of based on DLP projection photocurable three-dimensional printer, it is characterized in that, comprising:
Computer system, for the treatment of threedimensional model, is divided into a series of sectional views with thickness by threedimensional model order;
Automatic control system, be connected with feeding system, jacking system and DLP optical projection system respectively, for controlling DLP optical projection system, the liquid level of optic-solidified adhesive in shaping work pond is irradiated, and control jacking system and drive moulding work pool or optical projection system to do lifting moving, and control feeding system and supply optic-solidified adhesive in shaping work pond;
DLP optical projection system, is connected with computer system, is projected to shaping work pond for the sectional view that computer system is partitioned into;
Shaping work pond, is connected with feeding system, holds optic-solidified adhesive;
Jacking system, for adjusting the distance between optic-solidified adhesive liquid level in DLP optical projection system and shaping work pond;
Feeding system, for supplying optic-solidified adhesive in shaping work pond.
Described DLP optical projection system comprises light source, DMD and bright dipping camera lens, and wherein said light source is the ultraviolet light source of wavelength 200～400nm and the royal purple light source of wavelength 400～450nm.
Described feeding system comprises magnetic valve and reinforced shower nozzle and the liquid level sensor for feeding back, and described shaping work pond is connected with a material pond by magnetic valve, liquid level sensor by current liquid level feedback in described automatic control system.
Described jacking system is connected with shaping work pond, for adjusting the distance between optic-solidified adhesive liquid level in DLP optical projection system and shaping work pond;
Described jacking system is connected with DLP optical projection system, for driving DLP optical projection system to carry out lifting moving.
Described automatic control system is PC.
Of the present utility model compared with three-dimensional printer of the prior art, have shaping speed fast based on DLP projection photocurable three-dimensional printer, the advantage that printing precision is high, and the product surface of moulding is continuous, without lamination; Go for the light-sensitive material of various intensity and unlike material to carry out Stereolithography.
Brief description of the drawings
Fig. 1 is the structural representation based on DLP projection photocurable three-dimensional printer of the present utility model.
In figure: DLP optical projection system 1; Computer system 2; Shaping work pond 3; Feeding system 4; Material pond 5; Jacking system 6; Light source 101; DMD102; Light microscopic head 103; Motor 601; Leading screw 602
Detailed description of the invention
In order to make those skilled in the art person understand better technical solutions of the utility model, below in conjunction with drawings and embodiments, the utility model is described in further detail.
One of the present utility model, based on DLP projection photocurable three-dimensional printer, comprising: computer system, automatic control system, DLP optical projection system, shaping work pond, feeding system and jacking system.
Wherein, described computer system, for the treatment of threedimensional model, is divided into a series of sectional views with thickness by threedimensional model order;
Described automatic control system can be PC, be connected with feeding system, jacking system and DLP optical projection system respectively, for controlling DLP optical projection system, the liquid level of optic-solidified adhesive in shaping work pond is irradiated, and control jacking system driving moulding work pool and do lifting moving, and control feeding system and supply optic-solidified adhesive in shaping work pond.
As shown in Figure 1, described DLP optical projection system 1 is connected with computer system 2, is projected to shaping work pond 3 for the sectional view that computer system 2 is partitioned into; This DLP optical projection system comprises light source 101, DMD102 and bright dipping camera lens 103.
DLP projection is a more advanced and ripe shadow casting technique, and DLP is the abbreviation of " Digital Light Procession ", is digital light processing, that is to say that this technology is first the digital processing of signal of video signal process, and then light is projected.It is based on TI(Texas Instruments) digital micromirror elements---the DMD(Digital Micromirror Device of company exploitation) complete the technology that viewable numbers information shows.
In the utility model, by computer, 3D model is processed, form two-dimentional profile, be transferred to the core component DMD in DLP by data wire, now in DMD, produce the pattern same with computer.
Wavelength is fixed the irradiation of angle to DMD at the ultraviolet light source of 200nm～400nm or the royal purple light source of wavelength 400～450nm, then reverberation see through lens on light carry out shaping, thereby on working face, formed with computer in the duplicate ultraviolet pattern of pattern.
Described shaping work pond 3 is connected with feeding system 4, for holding optic-solidified adhesive.Described feeding system 4 comprises magnetic valve and reinforced shower nozzle and the liquid level sensor for feeding back, and described shaping work pond 3 is connected with a material pond 5 by magnetic valve, and liquid level sensor is arranged in described shaping work pond.
Optic-solidified adhesive, also be UV glue, under ultraviolet ray is irradiated, cause a curing resin, formed by prepolymer, activated monomer and ultraviolet initator, have an effect and then make the further polymerization of prepolymer form large molecule (solid) and solidify at ultraviolet irradiation light trigger.
By feeding system to adding one deck glue in shaping work pond, after the ultraviolet ray that DMD reflects back is irradiated, this layer of glue starts to start to solidify according to the shape of ultraviolet pattern, finally forms the duplicate one deck solid of this cross section pattern in one deck and model, and the place not being irradiated to is still liquid.
Described jacking system 6 is connected with shaping work pond 3, for driving the lifting moving of moulding work pool 3.This jacking system 6 is motor leading screw transfer system, and this motor leading screw transfer system comprises motor 601, and the clutch end of motor 601 is connected with a leading screw 602 vertically arranging, and on leading screw 602, is provided with feed screw nut, and shaping work pond 3 fixes with feed screw nut.
When in moulding work pool, complete one deck solidify after, central control system control magnetic valve is opened, reinforced in trend shaping work pond, and shaping work pond under the drive of jacking system to decline certain altitude, the height declining is just the same with the thickness of that layer of glue just solidifying, thereby enter the curing processing step of lower one deck, until complete whole moulding process.
Certainly, the in the situation that of larger in shaping work pond, directly comparatively difficulty of lifting shaping work pond, therefore described jacking system also can be connected with DLP optical projection system 1, be used for driving DLP optical projection system 1 to carry out lifting moving, thereby adjust the distance between optic-solidified adhesive liquid level in DLP optical projection system and shaping work pond.
Claims (6)
1. based on a DLP projection photocurable three-dimensional printer, it is characterized in that, comprising:
Computer system (2), for the treatment of threedimensional model;
Automatic control system, be connected with feeding system, jacking system and DLP optical projection system respectively, for controlling DLP optical projection system, the liquid level of optic-solidified adhesive in shaping work pond is irradiated, and control jacking system and drive moulding work pool or optical projection system to do lifting moving, and control feeding system and supply optic-solidified adhesive in shaping work pond;
DLP optical projection system (1), is connected with computer system, is projected to shaping work pond for the sectional view that computer system is partitioned into;
Shaping work pond (3), is connected with feeding system, holds optic-solidified adhesive;
Jacking system, for adjusting the distance between optic-solidified adhesive liquid level in DLP optical projection system and shaping work pond;
Feeding system (4), for supplying optic-solidified adhesive in shaping work pond.
2. as claimed in claim 1 based on DLP projection photocurable three-dimensional printer, it is characterized in that, described DLP optical projection system (1) comprises light source (101), DMD(102) and bright dipping camera lens (103), wherein said light source is the ultraviolet light source of wavelength 200～400nm and the royal purple light source of wavelength 400～450nm.
3. as claimed in claim 1 based on DLP projection photocurable three-dimensional printer, it is characterized in that, described feeding system (4) comprises magnetic valve and reinforced shower nozzle and the liquid level sensor for feeding back, described shaping work pond (3) is connected with a material pond (5) by magnetic valve, liquid level sensor by current liquid level feedback in described automatic control system.
4. as claimed in claim 1ly it is characterized in that based on DLP projection photocurable three-dimensional printer, described jacking system is connected with shaping work pond, for adjusting the distance between optic-solidified adhesive liquid level in DLP optical projection system and shaping work pond.
5. as claimed in claim 1ly it is characterized in that based on DLP projection photocurable three-dimensional printer, described jacking system is connected with DLP optical projection system, for driving DLP optical projection system to carry out lifting moving.
6. as claimed in claim 1ly it is characterized in that based on DLP projection photocurable three-dimensional printer, described automatic control system is PC.
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| CN201320332935.0U CN203665945U (en) | 2013-06-08 | 2013-06-08 | Three-dimensional photo-curing printer based on DLP (digital light processing) projection |
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| CN201320332935.0U CN203665945U (en) | 2013-06-08 | 2013-06-08 | Three-dimensional photo-curing printer based on DLP (digital light processing) projection |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669625A (en) * | 2015-03-12 | 2015-06-03 | 上海联泰三维科技有限公司 | Photo-curing three-dimensional printing method and printing device based on projection |
| CN104708827A (en) * | 2015-04-09 | 2015-06-17 | 深圳长朗三维科技有限公司 | Large-format photosensitive resin curing 3D printer |
| KR101533374B1 (en) * | 2014-07-07 | 2015-07-02 | 김진식 | Dlp type three-dimention printer |
| CN105437558A (en) * | 2016-01-06 | 2016-03-30 | 江苏锐辰光电技术有限公司 | Modularized laser 3D printer |
| CN105666885A (en) * | 2016-04-18 | 2016-06-15 | 周宏志 | Partitioned photocuring 3D printing forming method, system and device based on DLP |
| CN104626580B (en) * | 2014-12-12 | 2016-08-17 | 南京光锥信息科技有限公司 | A kind of 3D printing mechanism based on magnetic ball and Method of printing |
| CN105881904A (en) * | 2016-04-28 | 2016-08-24 | 四川九鼎智远知识产权运营有限公司 | Portable 3D printing device, system and method based on light-curing principle |
| CN106827510A (en) * | 2017-01-24 | 2017-06-13 | 四川大学 | Light-sensitive material supply method and the 3D printer system based on DLP principles |
| CN107571498A (en) * | 2017-09-29 | 2018-01-12 | 深圳晗竣雅科技有限公司 | DLP photocureable rapid shaping systems |
| WO2018103529A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海天威飞马打印耗材有限公司 | Metal three-dimensional printing device and printing method therefor |
| CN110181815A (en) * | 2019-06-06 | 2019-08-30 | 苏州永沁泉智能设备有限公司 | A kind of 3D printing equipment |
| CN111483141A (en) * | 2020-03-05 | 2020-08-04 | 上海莘临科技发展有限公司 | Self-adaptive adjustment coating system and method in 3D printing technology |
| CN114536507A (en) * | 2022-03-15 | 2022-05-27 | 南京工业大学 | Photocuring jet forming device based on ceramic material and printing method |
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2013
- 2013-06-08 CN CN201320332935.0U patent/CN203665945U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101533374B1 (en) * | 2014-07-07 | 2015-07-02 | 김진식 | Dlp type three-dimention printer |
| CN104626580B (en) * | 2014-12-12 | 2016-08-17 | 南京光锥信息科技有限公司 | A kind of 3D printing mechanism based on magnetic ball and Method of printing |
| CN104669625B (en) * | 2015-03-12 | 2017-06-09 | 上海联泰三维科技有限公司 | Photocuring 3 D-printing method and printing equipment based on projection |
| CN104669625A (en) * | 2015-03-12 | 2015-06-03 | 上海联泰三维科技有限公司 | Photo-curing three-dimensional printing method and printing device based on projection |
| CN104708827A (en) * | 2015-04-09 | 2015-06-17 | 深圳长朗三维科技有限公司 | Large-format photosensitive resin curing 3D printer |
| CN105437558A (en) * | 2016-01-06 | 2016-03-30 | 江苏锐辰光电技术有限公司 | Modularized laser 3D printer |
| CN105666885A (en) * | 2016-04-18 | 2016-06-15 | 周宏志 | Partitioned photocuring 3D printing forming method, system and device based on DLP |
| CN105881904A (en) * | 2016-04-28 | 2016-08-24 | 四川九鼎智远知识产权运营有限公司 | Portable 3D printing device, system and method based on light-curing principle |
| WO2018103529A1 (en) * | 2016-12-05 | 2018-06-14 | 珠海天威飞马打印耗材有限公司 | Metal three-dimensional printing device and printing method therefor |
| CN106827510A (en) * | 2017-01-24 | 2017-06-13 | 四川大学 | Light-sensitive material supply method and the 3D printer system based on DLP principles |
| CN106827510B (en) * | 2017-01-24 | 2019-10-29 | 四川大学 | Light-sensitive material supply method and 3D printer system based on DLP principle |
| CN107571498A (en) * | 2017-09-29 | 2018-01-12 | 深圳晗竣雅科技有限公司 | DLP photocureable rapid shaping systems |
| CN110181815A (en) * | 2019-06-06 | 2019-08-30 | 苏州永沁泉智能设备有限公司 | A kind of 3D printing equipment |
| CN111483141A (en) * | 2020-03-05 | 2020-08-04 | 上海莘临科技发展有限公司 | Self-adaptive adjustment coating system and method in 3D printing technology |
| CN114536507A (en) * | 2022-03-15 | 2022-05-27 | 南京工业大学 | Photocuring jet forming device based on ceramic material and printing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20160608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |