Full-color 3D printerTechnical field
The present invention relates to 3D printing technique field, more particularly to a kind of full-color 3D printer.
Background technology
3D printer is also known as three-dimensional printer (3DP), is a kind of a kind of machine of accumulation manufacturing technology, i.e. RP techniqueDevice.The operation principle of 3D printer is essentially identical with normal printer, is to be controlled by computer " printed material " in layerGround is stacked up, and the blueprint on computer is finally become in kind.This technology is usually in fields such as Making mold, industrial designsIt is used for modeling or the direct manufacture for some products.It presently, there are a variety of 3D printing techniques, conventional technology bagInclude binding material 3 D-printing, photocuring 3 D-printing and melted material 3 D-printing etc..In the skill that 3D printing field usesArt, either SLS, SLA, FDM or other technology, almost all of 3D printer are monochromatic printings, can not implementation modelReal color appearance, and then meet user Geng Gao requirement.
With the development of 3D printing technique, continuous ripe will promote of 3D printing technique includes new material technology, intelligence systemMake technology and accumulation manufacturing technology realizes big leap.In the prior art, the patent on 3D printing and its correlation technique hasA lot, such as, Authorization Notice No. CN 103770334B Chinese patent discloses a kind of multicolour 3D printer, is beaten in the 3DMultiple shower nozzles are added on print machine, each shower nozzle corresponds to a kind of printed material of color, and multiple sprays can be realized by color replacing mechanismThe conversion of head, and then realize the 3D printing of multiple color.Heating module and shower nozzle separation, multiple shower nozzles in the patent share oneIndividual heating module, the energy can be saved.But shower nozzle quantity is more, production and use cost are undoubtedly added.For another example, authorize publicAccuse and number disclose a kind of 3D printer, including frame for a CN 103231514B Chinese patent, the fluid reservoir of upper end open, ifIn the first resin cartridge in frame, the second resin cartridge, hoistable platform, strands extrusion device and ultraviolet spot light；First resinThe liquid ultraviolet photo-curing resin that fills in cylinder, the paste ultraviolet photo-curing resin filled in the second resin cartridge；Paste is purpleOutside line light-cured resin is after shower nozzle extrusion, under the irradiation of ultraviolet spot light, forms solidification housing, liquid UV-light photocuringChange resin to be then filled enclosure interior.The 3D printer has printing effect height, and while printing effect is ensured,It can ensure that printed object density is high, the characteristics of being hardly damaged.But the material printed is single tone, if the later stageDyeing, the obvious time and effort consuming of full-color dyeing.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of full-color 3D printer.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of full-color 3D printer, it is characterised in thatIt is solid including support platform, X-axis guide rail, Y-axis guide rail, Z axis guide rail, print platform, hoistable platform, drive screw, printing head, lightMakeup put, supporting plate, the first hopper, the second hopper, the 3rd hopper, the 4th hopper, feed conduit, UV lamp, light amount control apparatus,Several minitype nozzles, several longitudinal baffles, transverse baffle, the X-axis guide rail, Y-axis guide rail, Z axis guide rail are respectively positioned on supportOn platform, the X-axis guide rail, Y-axis guide rail intersect in horizontal plane, and the print platform is located at X-axis guide rail, Y-axis guide rail institutePlane on, the print platform can move reciprocatingly along X-axis guide rail, Y-axis guide rail, and the hoistable platform is located at Z axis guide railOn, the hoistable platform can move reciprocatingly along Z axis guide rail, and the hoistable platform is connected with drive screw, the printing headOn hoistable platform, the printing head is internally provided with several minitype nozzles, and the light curring unit sprays positioned at printingThe both sides of head, the supporting plate are located above Z axis guide rail, and first hopper, the second hopper, the 3rd hopper, the 4th hopper are equalIn supporting plate, first hopper, the second hopper, the 3rd hopper, the 4th hopper are used to hold photosensitive resin liquid, describedFirst hopper, the second hopper, the 3rd hopper, the 4th hopper are connected by feed conduit with printing head, the photosensitive resin liquidSeveral minitype nozzles that body is entered inside printing head by feed conduit.
Further, the light curring unit mainly includes UV lamp, light amount control apparatus, and the UV lamp is led to light curring unitCross support to be connected, the angle adjustable of the UV lamp irradiation, the distance between the UV lamp and printing head must not be too far away, otherwiseCan not be by the photosensitive resin liquid rapid curing of ejection；Distance can not be too near, and otherwise the ultraviolet light of UV lamp may can causeThe solidification of photosensitive resin liquid at the nozzle of printing head so that shower nozzle blocks, and the light amount control apparatus is by changing UV lampThe luminous intensity for the ultraviolet launched changes the light quantity for the photosensitive resin liquid ultraviolet being irradiated to.
Further, the printing head carries out ink-jet by piezo electrics.
Further, the drive screw is driven by stepper motor.
Further, the quantity of several minitype nozzles is four.
Further, the quantity of several longitudinal baffles is two, and several described longitudinal baffles are longitudinally perpendicular intersecting,Printing head lower end is divided into four independent chambers, the corresponding minitype nozzle of one of chamber by the longitudinal baffle.
Further, the transverse baffle, which corresponds at each minitype nozzle, offers the catch that can be opened or close,When catch is opened, corresponding minitype nozzle carries out inkjet printing.
Further, the longitudinal baffle can be moved up and down, and when carrying out monochromatic printing, longitudinal baffle can be moved to printingAt spray nozzle, it is necessary to when colour mixture prints, you can move up longitudinal baffle, the different colours sprayed from different minitype nozzlesPhotosensitive resin liquid mixed in printing head front end after sprayed by nozzle.
Wherein, the X-axis guide rail, Y-axis guide rail, Z axis guide rail, print platform, hoistable platform, drive screw, printing head,The control of light curring unit can be connected and then realized with computer by circuit, wherein involved circuit engineering is existing skillArt, here is omitted.
The advantage of the invention is that：
(1) by the way that several minitype nozzles, each minitype nozzle and conveying different color will be provided with inside printing headThe feed conduit of photosensitive resin liquid is connected, and can carry out multicolour 3D printing；
(2) different colors can be changed according to the needs of printing, two kinds of different color mixtures can also be configuredMore colors are to meet the needs of user, to realize full-color 3D printing.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior artThe required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing belowAccompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paidPut, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the longitdinal cross-section diagram of printing head；
Fig. 3 is sectional view of the printing head in A-A directions.
Wherein：
1. support platform 2.X axis rail 3.Y axis rail 4.Z axis rails
5. the printing head of 6. hoistable platform of print platform, 7. drive screw 8.
9. the hopper of 10. supporting plate of light curring unit, 11. first hopper 12. second
13. the feed conduit 16.UV lamps of the 3rd the 4th hopper of hopper 14. 15.
17. the transverse baffle of 18. minitype nozzle of light amount control apparatus, 19. longitudinal baffle 20.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementationExample is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skillThe every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely toBe easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second "," the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
As shown in Figure 1,2 and 3, a kind of full-color 3D printer, it is characterised in that including support platform 1, X-axis guide rail 2, Y-axisGuide rail 3, Z axis guide rail 4, print platform 5, hoistable platform 6, drive screw 7, printing head 8, light curring unit 9, supporting plate 10,First hopper 11, the second hopper 12, the 3rd hopper 13, the 4th hopper 14, feed conduit 15, UV lamp 16, light amount control apparatus 17,Several minitype nozzles 18, longitudinal baffle 19, transverse baffle 20, the X-axis guide rail 2, Y-axis guide rail 3, Z axis guide rail 4 are respectively positioned on branchSupport on platform 1, in being intersected vertically on horizontal plane, the print platform 5 is located at X-axis guide rail 2, Y for the X-axis guide rail 2, Y-axis guide rail 3On horizontal plane where axis rail 3, the print platform 5 can move reciprocatingly along X-axis guide rail 2, Y-axis guide rail 3, the liftingPlatform 6 is located in Z axis guide rail 4, and the hoistable platform 6 can move reciprocatingly along Z axis guide rail 4, the hoistable platform 6 and driving silkBar 7 is connected, and the motion in Z-direction drives hoistable platform 6 to realize by stepper motor by drive screw 7, the printing head 8On hoistable platform 6, the printing head 8 is internally provided with several minitype nozzles 18, longitudinal baffle 19, transverse baffle20, the light curring unit 9 is located at the both sides of printing head 8, and the supporting plate 10 is located at the top of Z axis guide rail 4, first materialGroove 11, the second hopper 12, the 3rd hopper 13, the 4th hopper 14 are respectively positioned in supporting plate 10, first hopper 11, the second hopper12nd, the 3rd hopper 13, the 4th hopper 14 are used to hold photosensitive resin liquid, first hopper 11, the second hopper 12, the 3rd materialGroove 13, the 4th hopper 14 are connected by feed conduit 15 with printing head 8, and the photosensitive resin liquid is entered by feed conduit 15Enter several minitype nozzles 18 inside printing head.
Further, the light curring unit 9 mainly includes UV lamp 16, light amount control apparatus 17, the light amount control apparatusThe luminous intensities of 17 ultraviolets launched by changing UV lamp 16 changes the light quantity for the photosensitive resin liquid ultraviolet being irradiated to.
Further, the printing head 8 carries out inkjet printing by piezo electrics, and the printing head 8 can be along X-directionMotion, but the fine movement of X-direction is then realized by print platform 5 in print procedure.
Further, the drive screw 7 is driven by stepper motor.
Further, the quantity of several minitype nozzles 18 is four.
Further, the quantity of several longitudinal baffles 19 is two, and several described longitudinal baffles 19 are longitudinally perpendicularIntersecting, printing head lower end is divided into four independent chambers by the longitudinal baffle 19, and corresponding one of one of chamber is micro-Type shower nozzle.
Further, the transverse baffle 20, which corresponds at each minitype nozzle, offers the gear that can be opened or closePiece, when catch is opened, corresponding minitype nozzle 18 carries out inkjet printing.
Further, the longitudinal baffle 19 can move up and down, and when carrying out monochromatic printing, can be moved to longitudinal baffle 19At printing head nozzle, it is necessary to when colour mixture prints, you can move up longitudinal baffle 19, sprayed from different minitype nozzles 18The photosensitive resin liquid of different colours is sprayed after being mixed in the front end of printing head 8 by nozzle.
Working method:Using the present invention carry out 3D printing it is specifically in kind when, gone out by Computer Design needs to print firstThe in kind three-dimensional model of threedimensional solid, it is and real to threedimensional solid along computer-internal direction corresponding with actual verticalThe three-dimensional model slicing delamination of thing, obtains every layer of forming data.Afterwards, computer control printing head moves and with printingRegion corresponding to platform sprays photosensitive resin liquid, solidifies under the irradiation of UV lamp, and then threedimensional solid reality is obtained in printingThe bottom of thing, printing head move up, and then successively print, and finally print threedimensional solid material object.
Each minitype nozzle corresponds to a kind of photosensitive resin liquid of different color, according to the needs of printing, replaceable differenceColor, can also be by two kinds of different color mixtures to configure more colors to meet the needs of user, so as to realizeThe full-color printings of 3D.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extentThe present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according toThe technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are enteredRow equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technologyThe scope of scheme.