CN103935037B - The colored 3D printer of a kind of integrated form powder - Google Patents
The colored 3D printer of a kind of integrated form powder Download PDFInfo
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- CN103935037B CN103935037B CN201410140666.7A CN201410140666A CN103935037B CN 103935037 B CN103935037 B CN 103935037B CN 201410140666 A CN201410140666 A CN 201410140666A CN 103935037 B CN103935037 B CN 103935037B
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Abstract
The colored 3D printer of a kind of integrated form powder, comprise frame, frame top is storage powder groove and outer confession binding agent case, storage powder groove is connected working chamber with the outer bottom for binding agent case, the bottom of working chamber connects sealing post processing chamber by dividing plate, the bottom in sealing post processing chamber is provided with screen cloth and Powder Recovery case, lowering or hoisting gear is connected in the frame at sealing post processing chamber place, lowering or hoisting gear is connected with negative pressure of vacuum saddle, negative pressure of vacuum saddle is by upper web plate, sealing felt, lower web plate, airstrainer and end cavity composition, this invention ensures that sealing and extensible property, be convenient to the safe transfer of part, meanwhile, it is in the machine integrated that this powder 3D printer will seal post-processing station, can be convenient to the cleaning of powder, reduce workload and the environmental pollution of people, add the integration of machine and reduce cost.
Description
Technical field
The present invention relates to powder 3D printer field, be specifically related to the colored 3D printer of a kind of integrated form powder.
Background technology
It is a kind of 3D Method of printing utilizing droplet ejection, powder bonding technology that powder 3D prints (3DP).Under the control of the computer, according to the information in current hierarchical cross section, on one deck dusty material completed in advance, jet binder selectively, makes amount of powder bond to shower nozzle, forms one deck cross section thin layers; After one deck has been shaped, workbench declines a thickness, carries out the paving powder of lower one deck, then constituency jet binder, and shaping thin layer also can stick to one with formation of parts simultaneously; This process of continuous circulation, till part processes; Usually part formed thereby also needs certain post processing, as drying, sintering etc., thus obtains last part.But existing powder 3D printer also exists following problem:
One, after the printed complete part of powder 3D printer, usually need to adopt dust catcher and brush to be cleared up by unfashioned powder, thus taking-up part is positioned in other post-processing station, and the piece surface that reply is taken out is cleared up again, but so clear powder process not easily and effectively and powder generally can be caused for the pollution of surrounding environment, and post-processing station and 3D printer do not integrate, can cause wholely taking up room huge, operating process is lengthy and jumbled.
Two, existing powder 3D printer mainly contains two kinds for powder mode, and a kind of is that powder-laying roller or scraper plate will be pushed in moulding cylinder for the powder in powder cylinder, and another kind is that powder funnel back and forth spreads powder.A kind of front method needs multiple cylinder body, and equipment volume can be caused comparatively large, although a kind of rear method can save machine space significantly, needs timing to funnel for powder supply, action required and control procedure numerous and diverse.
Three, for powder 3D printer, its paving powder density of applying out greatly can affect the shrinkage factor of intensity and the rear sintering making part, having there is existing machine provides negative pressure of vacuum chamber with absorption powder, but its structure is simple, non-dismountable, is unfavorable for the subsequent operation of part.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide the colored 3D printer of a kind of integrated form powder, powder can be supplied continuously for power spreading device, the density of powder can be increased, be convenient to again the cleaning of excessive powder, drastically increase the integration of equipment simultaneously.
In order to achieve the above object, the present invention adopts following technical scheme:
The colored 3D printer of a kind of integrated form powder, comprise frame 10, frame 10 top is that storage powder groove 1 supplies binding agent case 2 with outer, storage powder groove 1 is connected working chamber 3 with the outer bottom for binding agent case 2, the bottom of working chamber 3 connects sealing post processing chamber 7 by dividing plate 6, the bottom in sealing post processing chamber 7 is provided with screen cloth 8 and Powder Recovery case 9, lowering or hoisting gear 22 is connected in the frame 10 at sealing post processing chamber 7 place, lowering or hoisting gear 22 is connected with negative pressure of vacuum saddle 4, and negative pressure of vacuum saddle 4 is followed in the powder case 5 of lowering or hoisting gear 22 after sealing in process chamber 7 and working chamber 3 and moved up and down.
Two-dimension moving platform 15 and the light source that ultraviolet light 16 is provided is connected with in described working chamber 3, two-dimension moving platform 15 connects jet-printing head 14 and integrated scraper plate 12, the powder of storage powder groove 1 continues for powder to integrated scraper plate 12 through gaseous carrier fluid powder feeding pump 11, the photosensitive sol adhesive of the outer blueness for binding agent case 2, fuchsin, yellow, black gives jet-printing head 14 supply binding agent by pump 13, and the combination of the photosensitive sol adhesive of different colours can realize colored 3D and print.
Described negative pressure of vacuum saddle 4 is made up of upper web plate 17, sealing felt 18, lower web plate 19, airstrainer 20 and end cavity 21, upper web plate 17, sealing felt 18, airstrainer 20, compact siro spinning technology is together successively for lower web plate 19, this part is made to pass through gas, and not by powder, lower web plate 19 is locked by hasp structure with end cavity 21, end cavity 21 is connected on lowering or hoisting gear 22, and along with lowering or hoisting gear 22 moves up and down, the device extracting negative pressure is vavuum pump or dust catcher.
The present invention adopts gaseous carrier fluid powder feeding pump, supplies powder continuously can to powder 3D printer, meets the lasting paving powder motion of power spreading device, eliminates an operation and controlling that cut-off powder is numerous and diverse; Present invention also offers negative pressure of vacuum saddle 4, upper web plate 17, lower web plate 19, sealing felt 18, airstrainer 20 compact siro spinning technology are together, this part is made to pass through gas, and not by powder, can realize, to the effect of powder under vacuum absorption, adding the density of powder, lower web plate 19 is locked by hasp structure with end cavity 21, ensure that sealing and extensible property, be convenient to the safe transfer of part; Meanwhile, it is in the machine integrated that this powder 3D printer will seal post-processing station, can be convenient to the cleaning of powder, reduce workload and the environmental pollution of people, add the integration of machine and reduce cost.
Accompanying drawing explanation
Fig. 1 is that the present invention removes device structure schematic diagram after outside plate.
Fig. 2 is working chamber structural representation of the present invention.
Fig. 3 is negative pressure of vacuum gantry structure schematic diagram of the present invention.
Fig. 4 is that part of the present invention enters sealing post processing chamber schematic diagram with negative pressure of vacuum saddle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to Fig. 1 and Fig. 4, the colored 3D printer of a kind of integrated form powder, comprise frame 10, frame 10 top is that storage powder groove 1 supplies binding agent case 2 with outer, storage powder groove 1 is connected working chamber 3 with the outer bottom for binding agent case 2, the bottom of working chamber 3 connects sealing post processing chamber 7 by dividing plate 6, the bottom in sealing post processing chamber 7 is provided with screen cloth 8 and Powder Recovery case 9, lowering or hoisting gear 22 is connected in the frame 10 at sealing post processing chamber 7 place, lowering or hoisting gear 22 is connected with negative pressure of vacuum saddle 4, negative pressure of vacuum saddle 4 is followed in the powder case 5 of lowering or hoisting gear 22 after sealing in process chamber 7 and working chamber 3 and is moved up and down.
With reference to Fig. 2, two-dimension moving platform 15 and the light source that ultraviolet light 16 is provided is connected with in described working chamber 3, two-dimension moving platform 15 connects jet-printing head 14 and integrated scraper plate 12, the powder of storage powder groove 1 continues for powder to integrated scraper plate 12 through gaseous carrier fluid powder feeding pump 11, the photosensitive sol adhesive of the outer blueness for binding agent case 2, fuchsin, yellow, black gives jet-printing head 14 supply binding agent by pump 13, and the combination of the photosensitive sol adhesive of different colours can realize colored 3D and print.
With reference to Fig. 3, described negative pressure of vacuum saddle 4 is made up of upper web plate 17, sealing felt 18, lower web plate 19, airstrainer 20 and end cavity 21, upper web plate 17, sealing felt 18, airstrainer 20, compact siro spinning technology is together successively for lower web plate 19, this part is made to pass through gas, and not by powder, lower web plate 19 is locked by hasp structure with end cavity 21, end cavity 21 is connected on lowering or hoisting gear 22, along with lowering or hoisting gear 22 moves up and down, the device extracting negative pressure is vavuum pump or dust catcher.
Operation principle of the present invention is:
Set up threedimensional model in a computer, and layering and data processing are carried out to this model, last synusia data are imported in this powder 3D printer; 3D printer reads in the process data of current layer, by controlling two-dimension moving platform 15, drives jet-printing head 14 and integrated scraper plate 12 to move; Layer overlay powder equably to be given on negative pressure of vacuum saddle 4 by integrated scraper plate 12 in powder case 5, jet-printing head 14 is according to the information in current hierarchical cross section, on one deck dusty material completed, spray photosensitive sol adhesive selectively, be coated on amount of powder, ultraviolet light 16 be incident upon in powder plane meanwhile, make the photosensitive sol adhesive rapid solidification bonding being coated in powder surface, form one deck cross section thin layers; After completing the bonding of current layer, two-dimension moving platform 15 drives jet-printing head 14 to get back to machine original position, and the negative pressure of vacuum saddle 4 in powder case 5 to decline a thickness with the part be shaped along with lowering or hoisting gear 22; Repeat the above process manufactured layer by layer, until part completes; After part completes, negative pressure of vacuum saddle 4 continues slowly to drop to formation of parts and unfashioned residual powder to seal post processing chamber 7, when negative pressure of vacuum saddle 4 leaves powder case 5 gradually, unnecessary powder flows out from side automatically, decrease the workload of powder clearly, unnecessary powder enters into Powder Recovery case 9 through screen cloth 8, and the powder that Powder Recovery case 9 is collected, without the need to through follow-up sieve powder work, just can be poured in storage powder groove 1; After having cleared up, upper web plate 17, lower web plate 19, sealing felt 18 are shifted out together with part, to carry out subsequent operation with the upper cavity of the negative pressure of vacuum saddle 4 that airstrainer 20 forms.
Claims (2)
1. the colored 3D printer of integrated form powder, comprise frame (10), it is characterized in that: frame (10) top is that storage powder groove (1) supplies binding agent case (2) with outer, storage powder groove (1) is connected working chamber (3) with the outer bottom for binding agent case (2), the bottom of working chamber (3) connects sealing post processing chamber (7) by dividing plate (6), the bottom of sealing post processing chamber (7) is provided with screen cloth (8) and Powder Recovery case (9), lowering or hoisting gear (22) is connected in the frame (10) at sealing post processing chamber (7) place, lowering or hoisting gear (22) is connected with negative pressure of vacuum saddle (4), negative pressure of vacuum saddle (4) is followed in the powder case (5) of lowering or hoisting gear (22) after sealing in process chamber (7) and working chamber (3) and is moved up and down,
Described negative pressure of vacuum saddle (4) is by upper web plate (17), sealing felt (18), lower web plate (19), airstrainer (20) and end cavity (21) composition, upper web plate (17), sealing felt (18), airstrainer (20), compact siro spinning technology is together successively for lower web plate (19), this part is made to pass through gas, and not by powder, lower web plate (19) and end cavity (21) are locked by hasp structure, end cavity (21) is connected on lowering or hoisting gear (22), along with lowering or hoisting gear (22) moves up and down, the device extracting negative pressure is vavuum pump or dust catcher.
2. the colored 3D printer of a kind of integrated form powder according to claim 1, it is characterized in that: be connected with two-dimension moving platform (15) in described working chamber (3) and the light source of ultraviolet light (16) is provided, two-dimension moving platform (15) connects jet-printing head (14) and integrated scraper plate (12), the powder of storage powder groove (1) continues for powder through gaseous carrier fluid powder feeding pump (11) to integrated scraper plate (12), the outer blueness for binding agent case (2), fuchsin, yellow, the photosensitive sol adhesive of black passes through pump (13) to jet-printing head (14) supply binding agent, the combination of the photosensitive sol adhesive of different colours can realize colored 3D and print.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410140666.7A CN103935037B (en) | 2014-04-09 | 2014-04-09 | The colored 3D printer of a kind of integrated form powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410140666.7A CN103935037B (en) | 2014-04-09 | 2014-04-09 | The colored 3D printer of a kind of integrated form powder |
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| CN103935037A CN103935037A (en) | 2014-07-23 |
| CN103935037B true CN103935037B (en) | 2016-01-20 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741611A (en) * | 2015-04-02 | 2015-07-01 | 共享装备有限公司 | Work box of 3D printing equipment |
| CN105750270B (en) * | 2015-06-29 | 2017-05-24 | 宁夏共享模具有限公司 | System for removing and recovering loose sand in working box of 3D (three-dimensional) printing equipment |
| CN107107460B (en) * | 2015-09-24 | 2019-06-21 | 北京大学口腔医学院 | Three-dimensional printer, 3 D-printing method and device |
| CN105346090B (en) * | 2015-12-10 | 2018-03-02 | 合肥西锐三维打印科技有限公司 | A kind of shaped platform with sealing device |
| FR3046095B1 (en) * | 2015-12-23 | 2018-01-26 | Addup | ADDITIVE MANUFACTURING MACHINE AND ADDITIVE MANUFACTURING METHOD USING SUCH A MACHINE |
| CN105665632B (en) * | 2016-01-26 | 2018-01-05 | 机械科学研究总院先进制造技术研究中心 | A kind of adaptive sand mold 3D printing manufacturing process and device |
| CN105459408B (en) * | 2016-01-29 | 2017-06-27 | 芜湖市爱三迪电子科技有限公司 | A kind of 3D printer for automatically stripping model and continuous printing |
| EP3390010A4 (en) * | 2016-05-12 | 2019-09-04 | Hewlett-Packard Development Company, L.P. | Contaminant barrier |
| CN108000870B (en) * | 2017-12-01 | 2019-10-11 | 西安交通大学 | A kind of 3DP technological forming system and its operating method |
| CN108162135A (en) * | 2017-12-28 | 2018-06-15 | 宁波高新区方元三维科技有限公司 | One kind can carry high-precision equipment box |
| CN109663919B (en) * | 2019-02-28 | 2023-08-15 | 韶关学院 | Multi-material part 3D printer and printing method thereof |
| CN114506072B (en) * | 2022-01-20 | 2022-09-30 | 合肥学院 | Intelligent 3D printing device for industrial manufacturing |
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| CN103042019A (en) * | 2011-10-11 | 2013-04-17 | 研能科技股份有限公司 | Powder filtering system and self cleaning assembly thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0784033B2 (en) * | 1992-02-20 | 1995-09-13 | 帝人製機株式会社 | Stereolithography apparatus and stereolithography method |
| US8342833B2 (en) * | 2009-03-31 | 2013-01-01 | Microjet Technology Co., Ltd. | Three-dimensional object forming apparatus |
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- 2014-04-09 CN CN201410140666.7A patent/CN103935037B/en active Active
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|---|---|---|---|---|
| CN1911635A (en) * | 2005-08-08 | 2007-02-14 | 赖维祥 | Fast shaping device for making body from image of computer and with printing machine |
| CN102049162A (en) * | 2009-11-04 | 2011-05-11 | 研能科技股份有限公司 | Filtering system |
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