CN104527070A - Rapid photocuring forming device capable of simultaneously printing various materials - Google Patents
Rapid photocuring forming device capable of simultaneously printing various materials Download PDFInfo
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- CN104527070A CN104527070A CN201410837041.6A CN201410837041A CN104527070A CN 104527070 A CN104527070 A CN 104527070A CN 201410837041 A CN201410837041 A CN 201410837041A CN 104527070 A CN104527070 A CN 104527070A
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- 239000000463 material Substances 0.000 title claims abstract description 35
- 238000007639 printing Methods 0.000 title claims abstract description 33
- 238000000016 photochemical curing Methods 0.000 title abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 75
- 229920005989 resin Polymers 0.000 claims abstract description 75
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims description 41
- 230000003028 elevating effect Effects 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010146 3D printing Methods 0.000 abstract 2
- 230000008859 change Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000001723 curing Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention provides a rapid photocuring forming device capable of simultaneously printing various materials. The rapid photocuring forming device comprises a resin tank, a coating mechanism and an optical system, wherein the inside of the resin tank is divided into at least two independent sub-cavities; a three-dimensional printing platform and a balancing block and a liquid level sensor capable of adjusting up and down are arranged in each sub-cavity; all three-dimensional printing platforms are connected with a Z-axis lifting mechanism; the coating mechanism is arranged on the resin tank and comprises guide rails and coating scrapers; the guide rails are arranged on two sides of the resin tank; two ends of the coating scrapers are arranged on the guide rails; the coating scrapers slide along the guide rails and stretch over all sub-cavities; an independent coating cavity is formed in each corresponding sub-cavity; each coating cavity is connected with a vacuum pump; the optical system is arranged above the resin tank and comprises a laser device and a scanning head capable of scanning and printing the overall resin tank. According to the rapid photocuring forming device, various materials can be simultaneously printed, so that the production efficiency is improved; and the production cost is reduced.
Description
Technical field
The present invention relates to photocureable rapid shaping field, particularly relate to a kind of light solidifying quick forming device that simultaneously can print multiple material.
Background technology
In photocureable rapid shaping (stereolithography) field, namely the SLA be commonly called as, the mechanism of photocuring laser fast shaping utilizes liquid photosensitive resin to absorb luminous energy under the irradiation of Ultra-Violet Laser, then photopolymerization reaction and forming part occurs.Laser successively scans curing molding under control of the computer, its basic process is as follows: first, the 3 D-printing platform being controlled by Z-axis lifting mechanism is positioned at resin liquid level with next fixed position place, laser solidifies at upper Surface scan and ground floor, then, 3 D-printing platform declines one deck, and the liquid level of resin remains unchanged; Coating unit can coat skim resin on one deck of just solidification; Laser solidifies at upper Surface scan and the second layer, and is bonded together with last layer, solidifies each cross section model so successively, until produce whole model.
Resin storage tank is used for holding resin consumptive material, and the size of resin storage tank directly determines the size of profiled member.And the resin in whole resin storage tank must be same material.So all parts printed all have identical physical characteristic, as color, transparency, mechanical property etc.If need to use another material, so the resin in groove must be taken out, with alcohol or other cleaning fluid, whole groove and coating unit and balance weight are cleaned up, just can put into another resin; Or resin storage tank adopts in an alternative manner, during as needs replacing resin, can be extracted out resin storage tank, then be pushed in equipment by the resin storage tank filling another kind of resin material.
Chinese patent 201010168327 discloses a kind of replaceable resin groove system of photosensitive curing quick-shaping machine, wherein refer to the SLA equipment of replaceable resin groove.This system resin storage tank, with running gear, can make whole resin storage tank move on the ground, realizes the pull-out of resin storage tank and push, thus changing resin material.But although it can realize the replacing of resin material, implementation is more coarse, first, workload, cannot automation mainly or by manual work; Secondly, do not locate accurately, can not high reliability be ensured; In addition, when changing resin storage tank, be easy to cause collision or impact to whole set equipment; Finally, the time of whole replacing resin storage tank is long, convenient not.
Therefore, a kind of SLA equipment that simultaneously can print multiple material is needed.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of light solidifying quick forming device that simultaneously can print multiple material, changing resin material difficulty for solving in prior art, cannot print the problem of multiple material simultaneously.
For achieving the above object and other relevant objects, the invention provides a kind of light solidifying quick forming device that simultaneously can print multiple material, it comprises: a resin storage tank, at least two independently sub-chambeies are separated in described resin storage tank, arrange in every sub-chamber a 3 D-printing platform, one can the balance weight of up-down adjustment and a liquid level sensor, all 3 D-printing platforms are all connected with Z-axis lifting mechanism; Be placed in the coating mechanism on described resin storage tank, described coating mechanism comprises the guide rail being arranged on described resin storage tank both sides, and two ends are arranged on the coating blade along described slide on described guide rail, described coating blade is across above all sub-chambeies, and corresponding every sub-chamber arranges one, and independently application chamber is so that independent coating every sub-chamber, each application chamber connects a vavuum pump; And the optical system be placed in above described resin storage tank.
Preferably, at least two group elevating levers that described Z-axis lifting mechanism comprises a Z axis motor and is connected with described Z axis motor, often organize elevating lever correspondence and connect a described 3 D-printing platform.
Preferably, described Z-axis lifting mechanism comprises at least two Z axis motors, and each Z axis motor connects one group of elevating lever, and described elevating lever is connected with a described 3 D-printing platform.
Preferably, each described application chamber is equipped with an observation window.
Preferably, described optical system comprises the probe of at least one laser instrument and the whole resin storage tank of at least one energy scanning and printing.
Preferably, described coating blade is monolithic construction, and all application chamber are arranged on same coating rack.
Preferably, described coating blade is split-type structural, and each described application chamber correspondence arranges a coating rack.
As mentioned above, the light solidifying quick forming device that simultaneously can print multiple material of the present invention, there is following beneficial effect: the present invention adopts the resin storage tank with multiple sub-chamber to realize holding various kinds of resin material, by a configuration 3 D-printing platform and a balance weight in every sub-chamber, realize without the need to changing resin or resin storage tank, both can print multiple material simultaneously, improve production efficiency, also save production cost.
Accompanying drawing explanation
Fig. 1 is shown as the isometric front view that simultaneously can print the light solidifying quick forming device of multiple material of the present invention.
Fig. 2 is shown as the end perspective view that simultaneously can print the light solidifying quick forming device of multiple material of the present invention.
Fig. 3 is shown as the concrete structure figure of coating blade of the present invention.
Fig. 4 is shown as the rearview of Fig. 3.
Element numbers explanation
1 resin storage tank
11,12 sub-chambeies
21 coating blades
211 application chamber
213 vacuum pumping holes
212 observation windows
214 coating racks
22 steps
23 guide rails
24 slide blocks
33 D-printing platforms
41 elevating levers
42 lifting sliders
43 Z axis modules
44 Z axis motors
51 probes
52 focus lamps
53 laser instruments
61 balance motors
62 connecting rods
7 liquid level sensors
8 balance weights
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 4.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 and 2, the invention provides a kind of light solidifying quick forming device that simultaneously can print multiple material, it comprises: a resin storage tank 1, at least two independently sub-chambeies 11,12 are separated in resin storage tank, arranging 3, one, a 3 D-printing platform in every sub-chamber 11,12 can the balance weight 8 of up-down adjustment and a liquid level sensor 7, and all 3 D-printing platforms 3 are all connected with Z-axis lifting mechanism; Be placed in the coating mechanism on resin storage tank 1, coating mechanism comprises the guide rail 23 being arranged on resin storage tank both sides, and two ends are arranged on guide rail 23 along the coating blade 21 that guide rail 23 slides by slide block 24, coating blade 21 is across above all sub-chambeies 11,12, and corresponding every sub-chamber 11,12 arranges one, and independently application chamber 211 is so that independent coating every sub-chamber, each application chamber 211 all connects a vavuum pump; Be placed in the optical system above resin storage tank 1.The present invention adopts the resin storage tank with the sub-chamber of multiple independence to hold various kinds of resin material, and configure a 3 D-printing platform and balance weight, a liquid level sensor in every sub-chamber, realize without the need to changing resin or resin storage tank, both can print multiple material simultaneously, improve production efficiency, also save production cost.
For ease of illustrating, the present embodiment adopts and is provided with two sub-chambeies of independence in resin storage tank is example, and resin storage tank 1 is divided into two independently sub-chambeies by left and right as shown in Figures 1 and 2, and namely sub-chamber 11,12, two, sub-chamber can hold different resin materials in sub-chamber 11,12.Three-dimensional workbench 3 in two sub-chambeies drives it to be elevated by Z-axis lifting mechanism, the lifting slider 42 that in the present embodiment, this Z-axis lifting mechanism is comprised a Z axis motor 44 and is connected with Z axis motor 44 by Z axis module 43, the two ends of lifting slider 42 connect one group of elevating lever 41 respectively, often organize elevating lever 41 correspondence and connect a 3 D-printing platform 3.
The present embodiment adopts a Z axis motor and one group of Z axis module to drive all 3 D-printing platforms, and it can make all 3 D-printing platforms print simultaneously, and the product lift height printed like this is consistent, also saves number of motors.But to produce the different product of lift height, above-mentioned Z-axis lifting mechanism also can comprise two Z axis motors, each Z axis motor all connects one group of elevating lever by a Z axis module, elevating lever is connected with a 3 D-printing platform, namely Z axis motor and 3 D-printing mesa-shaped in a pair one relation, each 3 D-printing platform controls separately, so both can realize the processing of different lift height, can be not exclusively synchronous.Above-mentioned Z axis module 43 can be screw body, also can be guide-rail sliding mechanism, also can be able to realize electric machine rotation being converted to the mechanism moved up and down for other.
The concrete structure of above-mentioned applying mechanism as shown in Figure 1, the coating blade 21 that the present embodiment provides is monolithic construction, namely all application chamber 211 are arranged on (see Fig. 3 and Fig. 4 Suo Shi) on same coating rack 214, above-mentioned guide rail 23 is arranged on the both sides of resin storage tank 1 and prolongs the extension of resin storage tank fore-and-aft direction, the setting direction of guide rail should be vertical with the segmentation direction in all sub-chambeies, coating blade 21 can be made like this across above all sub-chambeies 11,12, to realize coating every sub-chamber.Coating blade 21 coating motor 22 drive under along guide rail 23 slide anteroposterior, for realizing the independent coating to every sub-chamber, this coating blade 21 is provided with the independent application chamber equal with sub-chamber number, namely this coating blade is monolithic construction, and the present embodiment neutron chamber is two, the sub-chamber 11 namely in Fig. 1, sub-chamber 12, then application chamber 211 is also two, as shown in Figure 3, each application chamber 211 is equipped with the vacuum pumping hole 213 connecting vavuum pump, for polymeric adsorbent.Vavuum pump is communicated with application chamber 211 by the tracheae be located in this vacuum pumping hole 213, controls pressure in application chamber, thus determine amount of resin in application chamber by pressure regulator valve.In application chamber, the liquid level of resin is generally at 1/2 to 3/4 place.For ease of observing, in the present embodiment, each application chamber 211 is all with observation window 212, as shown in Figure 4.Because coating blade 21 is provided with multiple application chamber, therefore in workpiece process, it runs stroke must be greater than in all sub-chambeies the largest contours printed in part.
Above-mentioned coating blade also can be split-type structural, namely each application chamber correspondence arranges a coating rack, that is coating blade is made up of multiple independently little coating blade, little coating blade and sub-chamber number one_to_one corresponding, split type coating blade its multiple coating motor can be adopted to control separately, can realize like this applying separately for every sub-chamber, all work without the need to all sub-chambeies, be easy to operation.
Above-mentioned each balance weight 8 connects all separately one group of balance lifting mechanism, and as shown in Figure 2, this balance lifting mechanism drives connecting rod 62 to move up and down by balance motor 61, and the end of connecting rod 62 connects balance weight, realizes the adjustable up and down of balance weight 8.For ease of controlling, on above-mentioned resin storage tank 1, corresponding every sub-chamber 11,12 all arranges a liquid level sensor 7, as shown in Figure 2, adopts independent liquid level sensor to detect the liquid resin liquid level in corresponding sub-chamber, is convenient to the resin material changed in time in sub-chamber.The liquid level of resin need remain unchanged always, and due to the problem such as submergence and resin shrinkage of elevating lever, liquid level can change, liquid level sensor 7 detects resin level in sub-chamber in real time, by program, according to detection level value output control, it declines or rises balance weight 8 automatically, to work the level fluctuation caused to balance 3 D-printing platform 3, formative dynamics stable equilibrium, thus keep the stable of liquid level.
Optical system in the present embodiment can comprise the probe 51 of a laser instrument 53 and a whole resin storage tank 1 of energy scanning and printing, the outlet laser of laser instrument 53, enter in the entrance of focus lamp 52 after speculum reflection, scan whole resin storage tank 1 finally by probe 51, complete the printing of 3 D-printing platform in all sub-chambeies.Optical system also can comprise a laser instrument and multiple probe, and namely probe can scan separately a sub-chamber; Also can be the multiple probe of multiple laser instrument, namely laser instrument and probe one_to_one corresponding scan an independent sub-chamber, and the structure of optical system is not described further at this, as long as can scan all sub-chamber in resin storage tank, complete 3 D-printing.
The present embodiment is for two sub-chambeies of independence, it also can be greater than two, as three, four etc., during sub-chamber increased number, also following structure to be increased accordingly: the corresponding sub-chamber of the application chamber on coating blade will be arranged one by one, and balance weight, 3 D-printing platform, liquid level sensor need with sub-chamber one_to_one corresponding, and the Z-axis lifting mechanism of 3 D-printing platform can be driven jointly by a motor, also can be driven separately by multiple motor one_to_one corresponding, the lifting of all balance weights then needs independent driving.
In sum, the light solidifying quick forming device that simultaneously can print multiple material of the present invention, processes while it can realize the part of various kinds of resin material, improves working (machining) efficiency.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (7)
1. can print a light solidifying quick forming device for multiple material simultaneously, it is characterized in that, comprising:
A resin storage tank (1), at least two independently sub-chambeies are separated in described resin storage tank (1), arrange in every sub-chamber a 3 D-printing platform (3), one can the balance weight (8) of up-down adjustment and a liquid level sensor (7), all 3 D-printing platforms (3) are all connected with Z-axis lifting mechanism;
Be placed in the coating mechanism on described resin storage tank, described coating mechanism comprises the guide rail (23) being arranged on described resin storage tank both sides, and two ends are arranged on the coating blade (21) along described slide on described guide rail (23), described coating blade (21) is across above all sub-chambeies, and corresponding every sub-chamber arranges one, and independently application chamber (211) is so that independent coating every sub-chamber, each application chamber (211) connects a vavuum pump;
And be placed in the optical system of described resin storage tank (1) top.
2. the light solidifying quick forming device that simultaneously can print multiple material according to claim 1, it is characterized in that: at least two group elevating levers (41) that described Z-axis lifting mechanism comprises a Z axis motor (44) and is connected with described Z axis motor (44), often organize elevating lever (41) correspondence and connect a described 3 D-printing platform (3).
3. the light solidifying quick forming device that simultaneously can print multiple material according to claim 1, it is characterized in that: described Z-axis lifting mechanism comprises at least two Z axis motors, each Z axis motor connects one group of elevating lever, and described elevating lever is connected with a described 3 D-printing platform.
4. the light solidifying quick forming device that simultaneously can print multiple material according to claim 1, is characterized in that: each described application chamber (21) is equipped with an observation window (212).
5. the light solidifying quick forming device that simultaneously can print multiple material according to claim 1, is characterized in that: described optical system comprises the probe (51) of at least one laser instrument (53) and the whole resin storage tank of at least one energy scanning and printing.
6. the light solidifying quick forming device that simultaneously can print multiple material according to claim 1, is characterized in that: described coating blade is monolithic construction, and all application chamber are arranged on same coating rack.
7. the light solidifying quick forming device that simultaneously can print multiple material according to claim 1, is characterized in that: described coating blade is split-type structural, each described application chamber correspondence arranges a coating rack.
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| CN201410837041.6A CN104527070B (en) | 2014-12-24 | 2014-12-24 | The light solidifying quick forming device of multiple material can be printed simultaneously |
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| CN201410837041.6A CN104527070B (en) | 2014-12-24 | 2014-12-24 | The light solidifying quick forming device of multiple material can be printed simultaneously |
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| CN104527070A true CN104527070A (en) | 2015-04-22 |
| CN104527070B CN104527070B (en) | 2018-02-06 |
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| CN105965890A (en) * | 2016-05-16 | 2016-09-28 | 中国科学院兰州化学物理研究所 | Double-material molding workbench assembly used for digital light processing (DLP) photocuring 3D printing |
| CN106926451A (en) * | 2017-05-21 | 2017-07-07 | 浙江盛泰防务科技有限公司 | A kind of photocuring 3D printer |
| CN106950804A (en) * | 2017-05-19 | 2017-07-14 | 深圳市斯普莱特激光科技有限公司 | A kind of novel high-precision three-dimensional laser exposure curing equipment |
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| CN107443730A (en) * | 2017-08-18 | 2017-12-08 | 佛山吗卡工程技术有限公司 | A kind of SLA 3D printers |
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| CN108136672A (en) * | 2015-10-15 | 2018-06-08 | 阿卡姆股份公司 | For manufacturing the method and apparatus of three-dimensional article |
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| CN108136672B (en) * | 2015-10-15 | 2021-09-24 | 阿卡姆股份公司 | Method and apparatus for manufacturing three-dimensional articles |
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| CN105965890A (en) * | 2016-05-16 | 2016-09-28 | 中国科学院兰州化学物理研究所 | Double-material molding workbench assembly used for digital light processing (DLP) photocuring 3D printing |
| CN105965890B (en) * | 2016-05-16 | 2019-02-01 | 中国科学院兰州化学物理研究所 | A kind of extra quality forming worktable component of DLP photocuring 3D printing |
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| CN110267795A (en) * | 2016-12-07 | 2019-09-20 | Dws有限公司 | Stereo lithography machine with improved optics group |
| CN108943714A (en) * | 2017-05-18 | 2018-12-07 | 北京十维科技有限责任公司 | Storage device and photocuring printer for photocuring printer |
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| CN107283825A (en) * | 2017-06-23 | 2017-10-24 | 壹千零壹号泰州自动化科技有限公司 | A kind of quick 3D printing method of large format based on DLP photocurings and printing device |
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| CN112437719A (en) * | 2018-07-20 | 2021-03-02 | 3M创新有限公司 | Method for hierarchically building objects and 3D printing device for performing such a method |
| CN112437719B (en) * | 2018-07-20 | 2022-10-25 | 3M创新有限公司 | Method for hierarchically constructing objects and 3D printing device for performing such a method |
| US11559938B2 (en) | 2018-07-20 | 2023-01-24 | 3M Innovative Properties Company | Method of layerwise building up an object and a 3D printing device for performing such a method |
| CN112537026A (en) * | 2019-09-20 | 2021-03-23 | 西北工业大学 | Functional gradient composite material photocuring 3D printer and mixing system thereof |
| WO2023283874A1 (en) * | 2021-07-15 | 2023-01-19 | 深圳摩方新材科技有限公司 | Apparatus for maintaining constant 3d printing liquid level height, and method |
| CN114986894A (en) * | 2022-06-22 | 2022-09-02 | 温州麦捷斯智能科技有限公司 | Photocuring 3D printer of ability even covering resin |
| CN116198112A (en) * | 2022-12-22 | 2023-06-02 | 深圳市纵维立方科技有限公司 | Three-dimensional forming equipment |
| CN115946342A (en) * | 2022-12-27 | 2023-04-11 | 深圳市纵维立方科技有限公司 | Three-dimensional forming equipment and forming control method |
| CN115946342B (en) * | 2022-12-27 | 2023-10-24 | 深圳市纵维立方科技有限公司 | Three-dimensional forming equipment and forming control method |
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