CN203945694U - Three-dimensional printer - Google Patents
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- CN203945694U CN203945694U CN201420347447.1U CN201420347447U CN203945694U CN 203945694 U CN203945694 U CN 203945694U CN 201420347447 U CN201420347447 U CN 201420347447U CN 203945694 U CN203945694 U CN 203945694U
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Abstract
The utility model provides a kind of three-dimensional printer, comprise print cartridge, print cartridge installing rack, movable frame and driving head assembly, in print cartridge, accommodate consumptive material, print cartridge installing rack is used for installing print cartridge, carriage assembly is installed on movable frame, and driving head assembly is arranged on carriage assembly, wherein, three-dimensional printer also comprises that printhead and ink gun are arranged on driving head assembly for the printhead of solid imaging with for the ink gun of color imaging.By carry out color imaging on each hierarchical mode, finally realize the colour print of whole 3D solid, then simplify the structure of three-dimensional printer, also make it there is imaging cost lower, the features such as color rendition precision is high, and pattern resolution ratio is high, formation method is simple.
Description
Technical field
The utility model relates to printing field, relates in particular to a kind of three-dimensional printer.
Background technology
3D printer claims again three-dimensional printer, is a kind of machine that utilizes rapid shaping technique, take mathematical model file as basis, adopts moulding material, by the mode of accumulation moulding, constructs three-dimensional entity.Before printing, need to utilize microcomputer modelling software modeling, then the threedimensional model building up " subregion " is become to cross section successively, slicing delamination, successively prints thereby control 3D printer.
At present conventional layered approach can be divided into three kinds.Be to wait a floor height layered approach, this method is generally being used on most three-dimensional printer; Be the adaptive layered method for STL model, this method is to carry out layering according to the information such as normal vector of dough sheet in STL model; Last a kind of is directly for CAD physical model, to carry out adaptive layered, with threedimensional model accurately, carry out adaptive layered, so also can accurately to physical model, carry out imaging.Such as Wang Weichen etc., be published in << machine science and the article < < of the 29th the 5th phase of volume of technology >>2010 and to the adaptive layered method > > of indicatrix, propose a kind of quick self-adapted hierarchical algorithm based on model surface many places interest characteristics based on 3D CAD model surface Z, this algorithm utilizes Z to indicatrix, to extract the interest characteristics of CAD model surface, by indicatrix geometric properties, to the direct mapping relations of bed thickness, determine fast the adaptability bed thickness at demixing point place, there is not redundant computation in whole bed thickness computational process.
Existing conventional layering error calculating standard has following several: the one, and pinnacle height criterion; according to the topology information of model and the maximum pinnacle high computational that allows, obtain bed thickness; this criterion is generally used, but will lose efficacy when modelling vector approaches vertical direction; The 2nd, area difference ratio criterion, judges that according to the area difference of adjacent two layers profile whether layer height is suitable, just reduces layer height when area difference is very large, otherwise increases layer height, and this method has larger advantage at the simple model of processing.User can select to adopt a kind of in above-mentioned three kinds of methods to carry out 3D solid imaging for the shape and size of different models.
And when three-dimensional entity model is carried out to colour imaging, generally in printhead, silk material to be carried out after blend of colors, from printhead, spraying, thereby form colored three-dimensional entity model, yet, owing to carrying out the colour mixture of different colours in printhead, caused this printhead more complicated than other monochromatic printheads, so the cost of this color three dimension printer is high, print cost also higher.Meanwhile, because this printhead cannot mix more color, the color that has caused three-dimensional entity model is also comparatively complicated, has also caused that color rendition degree is low, image resolution ratio is low, makes troubles like this to user.
Summary of the invention
The purpose of this utility model is to provide the three-dimensional printer of a kind of low imaging cost and manufacture color three dimension physical model simple in structure.
In order to realize the purpose of this utility model, the utility model provides a kind of three-dimensional printer, comprise print cartridge, print cartridge installing rack, movable frame and driving head assembly, in print cartridge, accommodate consumptive material, print cartridge installing rack is used for installing print cartridge, and carriage assembly is installed on movable frame, driving head assembly is arranged on carriage assembly, wherein, three-dimensional printer also comprises that printhead and ink gun are arranged on driving head assembly for the printhead of solid imaging with for the ink gun of color imaging.
From such scheme, by being provided with on three-dimensional printer for the printhead of solid imaging with for the ink gun of color imaging, and by printhead after completing the solid imaging of a hierarchical mode, ink gun just carries out color imaging on this hierarchical mode, because the ink of ink gun ejection can be fused mutually with three-dimensionally shaped material, make at this layer of hierarchical mode for the whole colored hierarchical mode with color pattern, after a plurality of colored hierarchical modes stack, just to complete the imaging of colorful three-dimensional model.Visible, by carry out color imaging on hierarchical mode, be conducive to simplify print head structure, then simplify the structure of three-dimensional printer, be also conducive to reduce the cost of color three dimension imaging.
Further scheme is, carriage assembly comprises the first balladeur train and the second balladeur train, driving head assembly comprises the first driving head and the second driving head, the first driving head is arranged on the first balladeur train, the second driving head is arranged on the second balladeur train, printhead is arranged on the first driving head, and ink gun is arranged on the second driving head.
Therefore printhead and ink gun both can be arranged on same driving head, also can divide and be arranged, while minute being arranged, because printhead and ink gun can carry out work simultaneously, be conducive to improve image taking speed.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model three-dimensional printer embodiment.
Fig. 2 is printhead in the utility model three-dimensional printer embodiment and the structure chart of ink gun.
Fig. 3 is the flow chart of the utility model three-dimensional printer Method of printing the first embodiment.
Fig. 4 is the target entity model structure figure in the utility model three-dimensional printer Method of printing the first embodiment.
Fig. 5 is the cutaway view at A-A place in Fig. 4.
Fig. 6 is the flow chart of the image-forming step in the utility model three-dimensional printer Method of printing the first embodiment.
Fig. 7 is the flow chart of the image-forming step in the utility model three-dimensional printer Method of printing the second embodiment.
Fig. 8 is the flow chart of the image-forming step in the utility model three-dimensional printer Method of printing the 3rd embodiment.
Fig. 9 is the system block diagram of the utility model three-dimensional printer printing equipment embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The specific embodiment
Three-dimensional printer embodiment:
See figures.1.and.2, Fig. 1 is the structure chart of three-dimensional printer 1, and Fig. 2 is the structure chart of printhead 2 and ink gun 3.Three-dimensional printer 1 comprises print cartridge installing rack 17, and print cartridge 18 is installed in print cartridge installing rack 17, the consumptive material 191 that print cartridge 18 holds within it, and this consumptive material 191 is solid-state thread consumptive material.
Three-dimensional printer 1 also comprises base plate 11, four screw rods 12, molding seat 13, movable frame 14, balladeur train 15 and balladeur trains 16, molding seat 13 is installed on base plate 11, four screw rods 12 are set on base plate 11, movable frame 14 is arranged on four screw rods 12, movable frame 14 can move up and down along screw rod 12, balladeur train 15 and balladeur train 16 are installed on movable frame 14, and balladeur train 15 and balladeur train 16 can move forward and backward in the definite plane of movable frame 14.
Driving head 21 is installed on balladeur train 15, driving head 21 can move left and right along balladeur train 15, printhead 2 is installed on driving head 21, and printhead 2 comprises at the feed end 24 of printhead 2 upper ends, in discharge end 23 and the main body 22 between feed end 24 and discharge end 23 of printhead 2 lower ends.Consumptive material 191 is input in the consumptive material cavity being surrounded by main body 22 by feed end 24.Discharge end 23 be formed with bottom a discharging opening, discharging opening, for by the consumptive material ejection in consumptive material cavity, carries out solid imaging to 3D solid 19 then on molding seat 13.
Driving head 31 is installed on balladeur train 16, driving head 31 can move left and right along balladeur train 16, ink gun 3 is installed on driving head 31, in ink gun 3, be provided with a plurality of print cartridges and in the lower end of ink gun 3, be provided with ink outlet port (not indicating), ink for color imaging is installed in print cartridge, and consumptive material 191 is input in the consumptive material cavity being surrounded by main body 22 by feed end 24.Discharge end 23 be formed with bottom a discharging opening, discharging opening, for mixed ink being ejected into the consumptive material of 3D solid 19, merges by ink and with consumptive material, then realizes the color imaging of three-dimensional entity model 19.
Method of printing first embodiment of three-dimensional printer:
With reference to Fig. 3, Fig. 3 is the Method of printing flow chart of three-dimensional printer.When three-dimensional entity model 19 is carried out to colored solid imaging, first perform step S1, start three-dimensional printer 1.Then perform step S2, the model file to the memory input of three-dimensional printer 1 with three-dimensional entity model 19 data, perform step subsequently S3, the processor of three-dimensional printer carries out slicing delamination according to three-dimensional entity model 19 as shown in Figure 4, three-dimensional entity model 19 is a cone, and offer through hole along the axis Z of three-dimensional entity model 19, by processor through three-dimensional entity model 19 is carried out after slicing delamination along axis Z, processing draws N the data with the hierarchical mode of different-diameter, one of them hierarchical mode hierarchical mode 192 as shown in Figure 5.Perform step subsequently S4, processor marks out colored region and monochromatic areas by each hierarchical mode, hierarchical mode 192 with Fig. 5 is illustrated, the marginal portion of processor hierarchical mode 192 outermost sides is set to colored region 193, the marginal portion of processor hierarchical mode 192 innermost sides is set to colored region 195, colored region 193 and colored region 195 all distribute in the form of a ring, and processor is monochromatic areas 194 by the region division between colored region 193 and colored region 195.
Colored region and monochromatic areas are completed after division, perform step subsequently S5, printhead 2 and ink gun 3 carry out colored solid imaging according to colored region and monochromatic areas, and particularly, with reference to Fig. 6, Fig. 6 is the flow chart of printhead 2 and ink gun 3 image-forming steps.During execution step S5, first perform step S51, first printhead 2 carries out solid imaging according to the silk material under monochromatic areas 194 ejection molten conditions, after completing the solid imaging of monochromatic areas 194 for to be printed 2, perform step S52, printhead 2 carries out solid imaging according to the silk material under colored region 193 and colored region 195 ejection molten conditions, subsequently, execution step S53, ink gun 3 sprays ink according to colored region 193 and colored region 195 on hierarchical mode 192.Because the material of silk material is generally ABS plastic, the silk material under molten condition can mix with the ink of ejection, thereby realize, hierarchical mode is carried out to color imaging.Certainly, if the material of silk material is polyvinyl chloride (PVA), ink can adopt water-base ink, because water-base ink and PVA mix, also can realize hierarchical mode is carried out to color imaging.
In addition, ink gun 3 in the above embodiments is after printhead 2 completes the solid imaging of colored region 193 and colored region 195, to carry out work again, and ink gun 3 can also be worked with printhead 2 simultaneously, it is the movement locus that ink gun 3 is followed printhead 2, the silk material of 3 pairs of printheads of ink gun, 2 firm extrusion moldings carries out color imaging, it is conducive to the more evenly while of color blend, has also improved image taking speed.
Printhead 2 and ink gun 3 complete after the colored solid imaging of hierarchical mode of one deck, processor execution step S6, by imaging number of times M cumulative, carry out subsequently determining step S7, judge whether imaging number of times M equals hierarchical mode quantity N, if M is less than N, presentation-entity model 19 does not complete imaging, by returning to step S5, continues the hierarchical mode of next layering to carry out colored solid imaging.Until physical model 19 completes whole colored solid imagings, imaging number of times M equals hierarchical mode quantity N, performs step subsequently S8, waits for after physical model 19 cooling curings, from three-dimensional printer, takes out, and then completes the colour imaging to three-dimensional entity model.
Therefore, because color imaging has all been carried out in the marginal portion of the hierarchical mode of each layering, so after each hierarchical mode with color is stacked, realized color three dimension solid imaging.Certain above-mentioned hierarchical mode 192 just goes one deck hierarchical mode in physical model 19 to be illustrated, and actual hierarchical mode both can be set to colored region to its Zone Full, also can be set to monochromatic areas to its Zone Full, and the accounting of colored region and monochromatic areas can also be to adjust according to user's actual demand.
Method of printing second embodiment of three-dimensional printer:
On the basis of Method of printing first embodiment of above-mentioned three-dimensional printer, the image-forming step S5 of its printhead 2 and ink gun 3 can also adopt step order as described in Figure 7, particularly, during execution step S5, first perform step S54, printhead 2 carries out solid imaging according to the silk material under colored region 193 and colored region 195 ejection molten conditions, subsequently, execution step S55, ink gun 3 sprays ink according to colored region 193 and colored region 195 on hierarchical mode 192, to be printed 2 and ink gun 3 complete after the imaging of colored region, execution step S56, first printhead 2 carries out solid imaging according to the silk material under monochromatic areas 194 ejection molten conditions.Certainly, ink gun 3 equally also can be worked with printhead 2 simultaneously, and ink gun 3 is followed the movement locus of printhead 2, and the silk material of 3 pairs of printheads of ink gun, 2 firm extrusion moldings carries out color imaging.Step in image-forming step S5 is carried out to order adjustment, and when can realizing colour imaging equally, being also conducive to user can adjust the sequencing of actual imaging according to different entities model, be conducive to improve the quality of threedimensional model.
The Method of printing of three-dimensional printer the 3rd embodiment:
On the basis of Method of printing first embodiment of above-mentioned three-dimensional printer, the image-forming step S5 of its printhead 2 and ink gun 3 can also adopt step order as described in Figure 8, particularly, during execution step S5, first perform step S57, printhead 2 carries out hierarchical mode 192 solid imagings according to the laminated solid body model data of individual layer, until hierarchical mode 192, complete after imaging, perform step again S58, ink gun 3 sprays ink according to colored region 193 and colored region 195 on hierarchical mode 192, use the method can realize color three dimension entity shaping equally, the printhead 2 of the method and ink gun 3 are the separately different periods to carry out work, it each other can phase mutual interference, so this Method of printing is comparatively simple.
The printing equipment embodiment of three-dimensional printer:
With reference to Fig. 9, Fig. 9 is the system block diagram of the printing equipment of three-dimensional printer.This printing equipment comprises start unit 91, memory cell 92, processing unit 93, color imaging unit 95 and solid imaging unit 94, and wherein, processing unit 93 comprises that colored region is divided module 96 and monochromatic areas is divided module 97.Three-dimensional printer comprises for the printhead 2 of solid imaging with for the ink gun 3 of color imaging.Start unit 91 is for starting three-dimensional printer, and after three-dimensional printer starts, memory cell 92 can receive the model file of outside input, and memory cell 92 stores the model file with physical model 19 (seeing Fig. 4) data.
Processing unit 19 carries out slicing delamination according to physical model 19 along axis Z, and processing draws a plurality of hierarchical mode data, colored region is divided module 96 and is marked off colored region according to each hierarchical mode data, monochromatic areas is divided module 97 for marking off monochromatic areas according to each hierarchical mode data, particularly, with reference to Fig. 5, hierarchical mode 192 is one of them of a plurality of hierarchical modes, with hierarchical mode 192, be illustrated, the marginal portion that colored region is divided module 96 hierarchical mode 192 outermost sides is set to colored region 193, the marginal portion that module 96 hierarchical mode 192 innermost sides are divided in single color region is set to colored region 195, colored region 193 and colored region 195 all distribute in the form of a ring, it is monochromatic areas 194 by the region division between colored region 193 and colored region 195 that monochromatic areas is divided module 97.
Solid imaging unit 94 drives printhead 2 to carry out solid imaging according to colored region 193,195 and monochromatic areas 194, and color imaging unit 95 drives ink gun 3 to carry out color imaging according to colored region 193,195.Solid imaging unit 94 and color imaging unit 95 complete after the colored solid imaging of one deck hierarchical mode, according to the hierarchical mode data of lower one deck, continue imaging.
From such scheme, by Method of printing, the printing equipment of above-mentioned three-dimensional printer, three-dimensional printer, all can realize the imaging of color three dimension entity.By being provided with for the printhead of solid imaging with for the ink gun of color imaging, and by printhead after completing the solid imaging of a hierarchical mode, ink gun just carries out color imaging on this hierarchical mode, because the ink of ink gun ejection can be fused mutually with three-dimensionally shaped material, make to be the whole colored hierarchical mode with color pattern at this layer of hierarchical mode, printhead continues next hierarchical mode to carry out solid imaging on this colour hierarchical mode subsequently, ink gun continues to carry out color imaging on this Next hierarchical mode, by that analogy, the most whole target entity model is printed as colored target entity model.Visible, by carry out color imaging on hierarchical mode, be conducive to simplify print head structure, then simplify the structure of three-dimensional printer, also make it there is imaging cost lower, the feature such as color rendition precision is high, and pattern resolution ratio is high, formation method is simple.
Yet, above-described embodiment is the utility model preferred embodiment, embodiment of the present utility model can also be following several modes, in the Method of printing embodiment at three-dimensional printer, its memory and processor can also be arranged on the computer away from three-dimensional printer, by independent computer, data being processed to and driven by data wire printhead and the ink gun of three-dimensional printer, is to realize the purpose of this utility model equally.
Again for example at the printing equipment embodiment of three-dimensional printer; memory cell, processing unit, color imaging unit and solid imaging unit all can be arranged on the computer away from three-dimensional printer; utilize same principle can realize the purpose of this utility model; so the utility model memory device and processing apparatus can be arranged on three-dimensional printer; also can be arranged on the computer away from three-dimensional printer; under different deposit positions, all can realize the purpose of this utility model, it should be all within protection domain of the present utility model.
For example the ink gun in above-described embodiment carries out color imaging by ink again, yet, ink gun can also carry out color imaging by spraying different toners, is because toner can fuse with the silk material under molten condition, can realize the purpose of this utility model equally.And ink gun employing is the mode of external ink supply; be that ink gun is connected with outside ink-feeding device by conduit; also can realize the ink-jet of ink gun, also can realize the purpose of this utility model, above-mentioned these change also should be in protection domain of the present utility model.
Claims (4)
1. three-dimensional printer, comprises
Print cartridge, accommodates consumptive material in described print cartridge;
Print cartridge installing rack, for installing described print cartridge;
Movable frame, is provided with carriage assembly on described movable frame;
Driving head assembly, described driving head assembly is arranged on described carriage assembly;
It is characterized in that:
Described three-dimensional printer also comprises that described printhead and described ink gun are arranged on described driving head assembly for the printhead of solid imaging with for the ink gun of color imaging.
2. three-dimensional printer according to claim 1, is characterized in that:
Described carriage assembly comprises the first balladeur train and the second balladeur train, and described driving head assembly comprises the first driving head and the second driving head, and described the first driving head is arranged on described the first balladeur train, and described the second driving head is arranged on described the second balladeur train;
Described printhead is arranged on described the first driving head, and described ink gun is arranged on described the second driving head.
3. three-dimensional printer according to claim 2, is characterized in that:
In described ink gun, be provided with a plurality of print cartridges, the lower end of described ink gun is provided with ink outlet port.
4. three-dimensional printer according to claim 3, is characterized in that:
Described three-dimensional printer also comprises base plate, screw rod and molding seat, and described molding seat is installed on described base plate, and described screw rod is arranged on described base plate, and described movable frame is arranged on described screw rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420347447.1U CN203945694U (en) | 2014-06-26 | 2014-06-26 | Three-dimensional printer |
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| CN201420347447.1U CN203945694U (en) | 2014-06-26 | 2014-06-26 | Three-dimensional printer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085107A (en) * | 2014-06-26 | 2014-10-08 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer, printing method of three-dimensional printer and printing device of printing method |
| CN104985942A (en) * | 2015-07-02 | 2015-10-21 | 中山火炬职业技术学院 | Method for printing digital map |
| WO2018099307A1 (en) * | 2016-11-30 | 2018-06-07 | 深圳市七号科技有限公司 | Full-color 3d printing device and method |
-
2014
- 2014-06-26 CN CN201420347447.1U patent/CN203945694U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085107A (en) * | 2014-06-26 | 2014-10-08 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer, printing method of three-dimensional printer and printing device of printing method |
| WO2015196904A1 (en) * | 2014-06-26 | 2015-12-30 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer, printing method of three-dimensional printer, and printing device therefor |
| CN104985942A (en) * | 2015-07-02 | 2015-10-21 | 中山火炬职业技术学院 | Method for printing digital map |
| WO2018099307A1 (en) * | 2016-11-30 | 2018-06-07 | 深圳市七号科技有限公司 | Full-color 3d printing device and method |
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Effective date of registration: 20220909 Address after: Room 103-036, 1st Floor, Building 1, No. 18, Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 (centralized office area) Patentee after: Zhuhai Tianwei Additives Co.,Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: PRINT RITE UNICORN IMAGE PRODUCTS Co.,Ltd. OF ZHUHAI |