CN106042378A - Control device for color generation particle size dimension of 3D printer product structure - Google Patents
Control device for color generation particle size dimension of 3D printer product structure Download PDFInfo
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- CN106042378A CN106042378A CN201610392940.9A CN201610392940A CN106042378A CN 106042378 A CN106042378 A CN 106042378A CN 201610392940 A CN201610392940 A CN 201610392940A CN 106042378 A CN106042378 A CN 106042378A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
The invention provides a control device for the color generation particle size dimension of a 3D printer product structure. The control device comprises a 3D printing image processing module, a sprayer dimension control module, a sprayer motion speed control module, a sprayer motion path planning module and a material environment parameter control module. The control device has the main beneficial effects that the relation between a product material structure and particle size and distance adjustment control can be analyzed and calculated, the dimension of a sprayer can be adjusted, and the sprayer can be moved according to the material growing path; and by means of the device, physical dynamic color generation printing of the 3D product structure is achieved, and the problem about color generation of a 3D product can be effectively solved.
Description
Technical field
The invention belongs to material microstructure colour generation studying technological domain, fall within 3D printer arrangement colour generation field, especially
Relate to a kind of 3D printer product structure colour generation particle diameter yardstick and control device.
Background technology
General 3D colour print is all to be bonded in body surface by colored plastic silk, or by air brushing color agent at thing
Surface, the time-write interval is long, and precision is inadequate, and color constitutes uneven, also easily distortion.For forming Natural color, reduce dyeing dirt
Dye, improves 3D product color naturalness, proposes 3D print structure color colour generation theoretical research, wherein relates to 3D and prints material particles
Dimension calculation and shower nozzle yardstick control etc..
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of 3D printer product structure in
Color tablets footpath yardstick controls device, utilizes 3D printing technique, image processing techniques and computer technology, it is achieved 3D colour print function
Realize dynamically colouring according to Material Physics schemochrome colour generation theory, can effectively solve the problem that printed product colouring problem.
To achieve these goals, the technical solution used in the present invention is:
A kind of 3D printer product structure colour generation particle diameter yardstick controls device, including:
3D print image processing module, for nucleus module, is connected with other module by interface, has co-operated
Product yardstick controls；According to the SEM material surface provided or layered image, analyze and calculate product material parameter information, and
Pathway figure is generated by Material growth change direction；
Shower nozzle yardstick control module, regulates jet diameters size according to image result of calculation, with in regulation and control product
Portion's structure particles size；
Shower nozzle translational speed control module, regulates shower nozzle translational speed according to image result of calculation, produces with regulation and control
Product internal structure grain spacing；
Shower nozzle mobile route planning module, according to the pathway figure generated, calculates the optimal path of the direction of growth, controls many sprays
Head work process, moving direction and speed；
Material environment parameter control module, comprises temperature regulation and concentration adjusting device, regulates temperature according to result of calculation
And concentration parameter, and then change material state and attribute.
Described product material parameter information includes color and material structure, material granule size and material granule spacing.
According to product SEM images of materials, analyze its material granule SEM gray level image Pixel Information, then calculate image slices
Element circularityWherein C is circularity, and A is granule area, is expressed as particle image interior pixels number sum, and P is
Particle circumference, is expressed as granule one and encloses edge pixel number sum, if circular, C is 1, and then calculates material granule radius:
R=2A/P, r are also number of pixels simultaneously, obtain the coordinate information of each pixel of granule according to SEM gray level image, in grain edges
Upper arbitrarily selection two point a and b, the pixel coordinate information a (x of the two pointa, ya) and b (xb, yb) it is known that a Yu b is in granule
The distance of the heart is all r,Then can obtain in a and granule
The line of the heart is with the line intersection point O of b Yu granular center1(x1,y1) i.e. the pixel coordinate information of granular center, grain spacing i.e. phase
The center distance of adjacent granule, realizes grain spacing control by control and regulation shower nozzle translational speed.
The optimal path of the described direction of growth obtains by the following method:
According to product material cross section growth SEM figure, analyze each Parameter Variation, and draw change curve, from numerous ginsengs
Number change curve looks for an optimal curve, is optimal path.
Compared with prior art, the invention has the beneficial effects as follows:
Existing 3D product colouring printing technique is typically painted by chemistry, has the time-write interval long, and precision is inadequate, color structure
Become uneven, also the easy problem such as distortion, it is often more important that easily environmental pollution.And the 3D printer particle diameter chi of present invention design
Degree controls device, and 3D colour print function can be allowed to realize dynamically colouring according to Material Physics schemochrome colour generation theory.
Accompanying drawing explanation
Fig. 1 is present configuration module map.
Fig. 2 is material surface SEM figure in the embodiment of the present invention.
Fig. 3 is SEM figure gray-scale map after threshold process in the embodiment of the present invention.
Fig. 4 is the binary map after gray-scale map carries out in the embodiment of the present invention edge calculations process.
Detailed description of the invention
Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings with embodiment.
A kind of 3D printer product structure colour generation particle diameter yardstick that the present invention proposes controls device, as shown in Figure 1, controls
Device includes 3D print image processing module, shower nozzle yardstick control module, shower nozzle translational speed control module, shower nozzle mobile route
Planning module and material environment parameter control module etc..
This device workflow is: according to color of image, seeks particle scale size and the spacing of correspondence, then control and
Regulation material ambient parameter (such as temperature and concentration), changes material particles size, and regulation shower nozzle scale size and shower nozzle accordingly
Translational speed, control grain spacing, the qualified granule of relief from shower nozzle spray, shower nozzle under the control of the computer, by setting
The optimal path reserved moves, the most in layer packed particle, is then glued mutually by each layer granule, completes model system
Make.
1. described in, 3D print image processing module is the core of engagement positions, and this module is connected with other module by interface,
Each module is according to control instruction collaborative work.Can analyze according to the SEM material surface provided or layered image and calculate product
Material color and material structure, material granule size, the parameter information such as material granule spacing, and press generation road, Material growth direction
Footpath figure.Detailed process is: analyze product SEM material section structure chart, obtain the temperature of each granule of material, concentration, grain shape,
The parameter information such as radius and spacing, and draw these Parameter Variation figures, the most therefrom select an optimal curve, be material
The pathway figure of the material direction of growth.
2. material environment parameter control module described in, the inside comprises temperature regulation and concentration adjusting device, at image
Reason result of calculation regulation temperature and concentration parameter, change material state and attribute.
3. shower nozzle yardstick control module described in and shower nozzle translational speed control module, this device comprises multiple shower nozzle, permissible
Concurrent working, can regulate according to image result of calculation parameter regulation jet diameters size and shower nozzle translational speed speed and control
Interiors of products structure particles size processed and spacing.
Specifically: according to product SEM images of materials, analyze its material granule SEM gray level image Pixel Information, then calculate
Image pixel circularityWherein C is circularity, and A is granule area, be expressed as particle image interior pixels number it
With, P is particle circumference, is expressed as granule one and encloses edge pixel number sum, if circular, C is 1, and then calculates material
Grain radius: r=2A/P, r also be simultaneously number of pixels, according to the coordinate information of the SEM gray level image acquisition each pixel of granule,
Two point a and b, the pixel coordinate information a (x of the two point are arbitrarily selected on grain edgea, ya) and b (xb, yb) it is known that a with b arrives
The distance of granular center is all r, Then can obtain a with
The line of granular center is with the line intersection point O of b Yu granular center1(x1,y1) i.e. the pixel coordinate information of granular center, between granule
Away from the center distance of i.e. adjacent particle, according to two granular center pixel coordinate O1(x1,y1),O2(x2,y2), grain spacingGrain spacing control is realized by control and regulation shower nozzle translational speed.Finally obtain parameter
Value all represents by number of pixels, the actual yardstick that it is also contemplated that image and amplification, is converted into effective unit value.Also may be used
MATLAB Hough transformation is utilized to ask round radius and central coordinate of circle.
4. shower nozzle mobile route planning module described in, major function has: 1) calculate Material growth according to processing result image
The optimal path in direction, 2) control many shower nozzles work process, moving direction and speed etc..Many shower nozzles can be made along the optimum of design
Path moves, and can realize Collaborative Control, work simultaneously between many shower nozzles.
The following is a specific embodiment, processing step is:
Step 1, according to product, carries out SEM scanning to each cross-sections surfaces of material, and is analyzed each SEM image, figure
2 scheme for material surface SEM.
Step 2, analyzes and processes SEM image, first carries out threshold value and chooses and become gray level image, and Fig. 3 is that SEM figure is at threshold value
Gray-scale map after reason, then carry out edge treated and become bianry image, next step obtains the granule center of circle and radius, and Fig. 4 is to gray-scale map
Carry out binary map after edge calculations process, conveniently ask the center of circle and radius.
Step 3, obtains each granule center of circle and pitch information parameter in SEM image, temperature in bond material forming process,
The ambient parameter information such as concentration are also given, and are to calculate central coordinate of circle and the process of radius and result with MATLAB below.
>>yuan1
Cender 926 440
Cender 758 1116
Cender 226 1179
Cender 507 136
Cender 508 136
Cender 811 1140
Cender 97 54
Cender 763 318
Cender 836 541
Cender 656 725
Cender 134 799
Cender 685 957
Cender 845 1041
Cender 343 1227
Cender 649 22
Cender 565 39
Cender 789 67
Cender 513 72
Cender 513 73
Cender 399 81
Cender 140 92
Cender 673 92
Cender 207 122
Cender 461 164
Cender 194 186
Cender 48 294
Cender 825 365
Cender 645 376
Cender 759 384
Cender 807 430
Cender 808 430
Cender 751 450
Cender 751 451
Cender 854 476
Cender 361 494
Cender 798 501
Cender 574 578
Cender 835 601
Cender 661 660
Cender 228 674
Cender 708 693
Cender 349 744
Cender 281 777
Cender 233 862
Cender 372 865
Cender 120 923
Cender 387 949
Cender 839 975
Cender 839 976
Cender 213 1000
Cender 219 1119
Cender 388 1181
Cender 286 1200
Cender 485 1236
Cender 867 54
Num=1
Cender 926 440 radius 9
sum 758 1116 radius 25
Num=1
Cender 758 1116 radius 25
sum 226 1179 radius 25
Num=1
Cender 226 1179 radius 25
sum 1015 272 radius 50
Num=2
Cender 508 136 radius 26
sum 811 1140 radius 26
Num=1
Cender 811 1140 radius 26
sum 97 54 radius 27
Num=1
Cender 97 54 radius 27
sum 763 318 radius 27
Num=1
Cender 763 318 radius 27
sum 836 541 radius 27
Num=1
Cender 836 541 radius 27
sum 656 725 radius 27
Num=1
Cender 656 725 radius 27
sum 134 799 radius 27
Num=1
Cender 134 799 radius 27
sum 685 957 radius 27
Num=1
Cender 685 957 radius 27
sum 845 1041 radius 27
Num=1
Cender 845 1041 radius 27
sum 343 1227 radius 27
Num=1
Cender 343 1227 radius 27
sum 649 22 radius 28
Num=1
Cender 649 22 radius 28
sum 565 39 radius 28
Num=1
Cender 565 39 radius 28
sum 789 67 radius 28
Num=1
Cender 789 67 radius 28
sum 1026 145 radius 54
Num=2
Cender 513 73 radius 28
sum 399 81 radius 28
Num=1
Cender 399 81 radius 28
sum 140 92 radius 28
Num=1
Cender 140 92 radius 28
sum 673 92 radius 28
Num=1
Cender 673 92 radius 28
sum 207 122 radius 28
Num=1
Cender 207 122 radius 28
sum 461 164 radius 28
Num=1
Cender 461 164 radius 28
sum 194 186 radius 28
Num=1
Cender 194 186 radius 28
sum 48 294 radius 28
Num=1
Cender 48 294 radius 28
sum 825 365 radius 28
Num=1
Cender 825 365 radius 28
sum 645 376 radius 28
Num=1
Cender 645 376 radius 28
sum 759 384 radius 28
Num=1
Cender 759 384 radius 28
sum 1615 860 radius 54
Num=2
Cender 808 430 radius 28
sum 1502 901 radius 54
Num=2
Cender 751 451 radius 28
sum 854 476 radius 28
Num=1
Cender 854 476 radius 28
sum 361 494 radius 28
Num=1
Cender 361 494 radius 28
sum 798 501 radius 28
Num=1
Cender 798 501 radius 28
sum 574 578 radius 28
Num=1
Cender 574 578 radius 28
sum 835 601 radius 28
Num=1
Cender 835 601 radius 28
sum 661 660 radius 28
Num=1
Cender 661 660 radius 28
sum 228 674 radius 28
Num=1
Cender 228 674 radius 28
sum 708 693 radius 28
Num=1
Cender 708 693 radius 28
sum 349 744 radius 28
Num=1
Cender 349 744 radius 28
sum 281 777 radius 28
Num=1
Cender 281 777 radius 28
sum 233 862 radius 28
Num=1
Cender 233 862 radius 28
sum 372 865 radius 28
Num=1
Cender 372 865 radius 28
sum 120 923 radius 28
Num=1
Cender 120 923 radius 28
sum 387 949radius 28
Num=1
Cender 387 949radius 28
sum 1678 1951radius 54
Num=2
Cender 839 976radius 28
sum 213 1000radius 28
Num=1
Cender 213 1000radius 28
sum 219 1119radius 28
Num=1
Cender 219 1119radius 28
sum 388 1181radius 28
Num=1
Cender 388 1181radius 28
sum 286 1200radius 28
Num=1
Cender 286 1200radius 28
sum 485 1236radius 28
Num=1
Cender 485 1236radius 28
sum 867 54radius 29
Num=1
Cender 867 54radius 29
>>
The final particle size information obtained after considering the various factors such as amplification is as follows:
| Average diameter 1 | Diameter 2 | Diameter 3 |
| 2.37 μm/22k=0.1077nm | 2.5 μm/22k=0.1136nm | 2.3 μm/22k=0.1045nm |
Average diameter 1 is the average diameter of numerous microsphere particles in SEM image, diameter 2, and diameter 3 represents SEM image successively
In most two kinds of particle diameter parameters.
Step 4, schemes according to product different cross section SEM, seeks information parameter, and draw change curve, seek a change
Optimal figure, is material product growth crack figure.
Step 5, after obtaining particle radius and pitch information, just according to these information datas, by interface and bus marco
Road is moved with regulation material environment parameter control module, shower nozzle yardstick control module and shower nozzle translational speed control module and shower nozzle
Footpath planning module, by controlling the parameters such as material ambient parameter, the diameter parameters of shower nozzle, translational speed, it is achieved 3D schemochrome is produced
Product progressively print.
Claims (4)
1. a 3D printer product structure colour generation particle diameter yardstick controls device, it is characterised in that including:
3D print image processing module, for nucleus module, is connected with other module by interface, and co-operated product
Yardstick controls；According to the SEM material surface provided or layered image, analyze and calculate product material parameter information, and press material
Material growth change direction generates pathway figure；
Shower nozzle yardstick control module, regulates jet diameters size according to image result of calculation, with regulation and control interiors of products knot
Structure granular size；
Shower nozzle translational speed control module, regulates shower nozzle translational speed according to image result of calculation, with in regulation and control product
Portion's structure particles spacing；
Shower nozzle mobile route planning module, according to the pathway figure generated, calculates the optimal path of the direction of growth, controls many shower nozzles work
Make process, moving direction and speed；
Material environment parameter control module, comprises temperature regulation and concentration adjusting device, according to result of calculation regulation temperature and dense
Degree parameter, and then change material state and attribute.
The most according to claim 1,3D printer product structure colour generation particle diameter yardstick controls device, it is characterised in that described product
Product material parameter information includes color and material structure, material granule size and material granule spacing.
The most according to claim 1,3D printer product structure colour generation particle diameter yardstick controls device, it is characterised in that according to product
Product SEM images of materials, analyzes its material granule SEM gray level image Pixel Information, then calculates image pixel circularityWherein C is circularity, and A is granule area, is expressed as particle image interior pixels number sum, and P is granule week
Long, it is expressed as granule one and encloses edge pixel number sum, if circular, C is 1, and then calculates material granule radius: r=2A/
P, r are also number of pixels simultaneously, obtain the coordinate information of each pixel of granule according to SEM gray level image, in grain edges arbitrarily
Select two point a and b, the pixel coordinate information a (x of the two pointa, ya) and b (xb, yb) it is known that a Yu b to granular center away from
From being all r, Then can obtain the company of a and granular center
Line is with the line intersection point O of b Yu granular center1(x1,y1) i.e. the pixel coordinate information of granular center, grain spacing i.e. adjacent particle
Center distance, by control and regulation shower nozzle translational speed realize grain spacing control.
The most according to claim 1,3D printer product structure colour generation particle diameter yardstick controls device, it is characterised in that described life
The optimal path of length direction obtains by the following method:
According to product material cross section growth SEM figure, analyzing each Parameter Variation, and draw change curve, multiparameter of comforming becomes
Change in curve and look for an optimal curve, be optimal path.
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| CN201610392940.9A CN106042378B (en) | 2016-06-03 | 2016-06-03 | 3D printer product structure colour generation particle diameter yardstick control device |
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|---|---|---|---|
| CN201610392940.9A CN106042378B (en) | 2016-06-03 | 2016-06-03 | 3D printer product structure colour generation particle diameter yardstick control device |
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| CN106042378A true CN106042378A (en) | 2016-10-26 |
| CN106042378B CN106042378B (en) | 2018-04-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000238344A (en) * | 1999-02-24 | 2000-09-05 | Nec Corp | Emboss printing apparatus utilizing ink jet system |
| US20030068178A1 (en) * | 2001-10-01 | 2003-04-10 | Canon Kabushiki Kaisha | Developing assembly and image-forming apparatus |
| CN103802315A (en) * | 2013-12-31 | 2014-05-21 | 中国科学院深圳先进技术研究院 | Method for preparing photonic crystals through 3D (Three-Dimensional) printing |
| CN104558662A (en) * | 2014-12-31 | 2015-04-29 | 中国科学院深圳先进技术研究院 | Photonic crystal paper and preparation method thereof |
| CN104718062A (en) * | 2012-10-12 | 2015-06-17 | 沃克斯艾捷特股份有限公司 | 3D multi-stage method |
-
2016
- 2016-06-03 CN CN201610392940.9A patent/CN106042378B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000238344A (en) * | 1999-02-24 | 2000-09-05 | Nec Corp | Emboss printing apparatus utilizing ink jet system |
| US20030068178A1 (en) * | 2001-10-01 | 2003-04-10 | Canon Kabushiki Kaisha | Developing assembly and image-forming apparatus |
| CN104718062A (en) * | 2012-10-12 | 2015-06-17 | 沃克斯艾捷特股份有限公司 | 3D multi-stage method |
| CN103802315A (en) * | 2013-12-31 | 2014-05-21 | 中国科学院深圳先进技术研究院 | Method for preparing photonic crystals through 3D (Three-Dimensional) printing |
| CN104558662A (en) * | 2014-12-31 | 2015-04-29 | 中国科学院深圳先进技术研究院 | Photonic crystal paper and preparation method thereof |
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