CN205238580U - Face exposure 3D prints concatenation forming system based on DLP projection technology - Google Patents
Face exposure 3D prints concatenation forming system based on DLP projection technology Download PDFInfo
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- CN205238580U CN205238580U CN201520983708.3U CN201520983708U CN205238580U CN 205238580 U CN205238580 U CN 205238580U CN 201520983708 U CN201520983708 U CN 201520983708U CN 205238580 U CN205238580 U CN 205238580U
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Abstract
The utility model relates to a face exposure 3D prints concatenation forming system based on DLP projection technology, by the PC host computer, the image segmentation ware, the DVI interface, the edge blending treater, DLP projecting system, portion such as lift type resin storage tank constitutes, the image segmentation ware is cut apart the product section image information of PC host computer output merotomize unit information and is carried to the DVI interface of edge blending treater, DLP projecting system comprises the DLP projecting apparatus that a plurality of next -door neighbours set up, the edge blending treater has carried out the synthetic integration of stack to the projected overlap area image signal of each DLP projecting apparatus and has handled the back, carry out the layering concatenation preparation that takes shape by the photosensitive resin of each DLP projecting apparatus output light signal in to the resin storage tank again. The utility model discloses the system is through the exposure area of concatenation mode increase resin storage tank to adjust solidification area scope in a flexible way according to industrial production's actual demand, can satisfy the shaping requirement of the three -dimensional photoetching of large tracts of land product, effectively improved resin curing's quality.
Description
Technical field
The utility model belongs to increasing material manufacturing installation technical field, relates to a kind of exposure of the face based on DLP shadow casting technique 3D and prints splicing formation system.
Background technology
Stereolithography technique based on DLP shadow casting technique is a kind of taking liquid photosensitive resin as raw material, the polymerisation of utilizing photosensitive resin to cause under the irradiation of light, a kind of quick shaping process method that completes curing mechanism and form, owing to having, forming process automaticity is high, process velocity is fast, with short production cycle, making prototype surface quality is good, dimensional accuracy is high and can realize the features such as meticulousr size moulding, has been widely used in recent years multiple manufacture field. Current known DLP face exposure 3D printer,, first the digital processing of signal of video signal process and then is projected to light to be equipped with on photosensitive resin as main crucial treatment element by digital micro-mirror (DMD). Owing to being subject to the critical exposure quantitative limitation of light path system and light-sensitive material, above-mentioned known 3D printer only can solidify area and be 130 × 130mm to the maximum2The product of scope, can not meet the demand that industrialization is manufactured far away, just need to adopt projection splicing for having the more product of large area scope. But adopt traditional projection splicing, have following distinct disadvantage: (one), the not eliminable screen physics piece of existence; (2), there is not eliminable projection optics piece; (3), solar effect is comparatively obvious; (4), there is comparatively serious aberration.
Utility model content
The purpose of this utility model is the problem of prior art existence to solve, provide a kind of exposure of the face based on DLP shadow casting technique 3D to print splicing formation system, this system increases the exposure area of resin storage tank by connecting method, and curing areal extent is adjusted in the actual demand of manufacturing according to industry flexibly, can meet the requirement of large area product stereolithography, effectively improve the quality of resin solidification.
For achieving the above object and the technical solution adopting is that Fusion Edges shadow casting technique is added in traditional connecting method, and then the face exposure 3D having formed based on DLP shadow casting technique prints splicing formation system, this face exposure 3D prints splicing formation system and comprises PC main frame, DLP optical projection system, lifting type resin storage tank and be arranged on the bracing frame in resin storage tank, working face is housed on bracing frame, in system, also comprise image segmentating device and the Fusion Edges processor with DVI interface, image segmentating device is divided into a few part unit informations by the product sectioning image information of PC main frame output and is delivered to the DVI interface of Fusion Edges processor, the DLP projecting apparatus that DLP optical projection system is arranged by some next-door neighbours forms, each DLP projecting apparatus forms the overlapped district at cutting unit information edge to the intersection region of resin storage tank projection image, Fusion Edges processor has carried out superposeing after synthetic fusion treatment to each overlay region picture signal, the general image information of product is divided by cutting unit in the DLP projecting apparatus of each correspondence of delivering to DLP optical projection system, by each DLP projecting apparatus output optical signal, the liquid photosensitive resin in resin storage tank being carried out to layered splicing shaping makes.
The above-mentioned exposure of the face based on DLP shadow casting technique 3D prints in splicing formation system, and image segmentating device adopts the 4 hybrid 1080p image splitters in road that model is DS-HD401S. This image segmentating device can show the image of PC main frame transmission with full frame or multiwindow pattern simultaneously, and its I/O is defaulted as DVI form, and output resolution ratio is supported 1920*1080,1366*768, and 1280*720,1024*768, convenient and swift.
The above-mentioned exposure of the face based on DLP shadow casting technique 3D prints in splicing formation system, the device that Fusion Edges processor adopting model is CK4MXXYY. This Fusion Edges processor adopting is integrated splicing and is controlled and windows controlling technique, thereby obtain more large scale and more high-resolution image by merging the shadow machine image of many DLP projecting apparatus, the image input Fusion Edges processor in multichannel region, produce the overlapping region between image, by Fusion Edges and the geometric correction of system, by the image of Fusion Edges processor output multichannel Non-overlapping Domain, make it to become a seamless spliced entirety, produce a secondary complete image.
The course of work of the present utility model is roughly: after PC main frame receives threedimensional model, it is carried out to the slicing treatment of STLization, and a two-dimensional section information after treatment is converted into the corresponding signal of telecommunication is delivered to image segmentating device; The image of section to be shown is divided into several parts by image segmentating device, and it is overlapping that these parts only select the pixel of some row to be used at each border area, is referred to as overlay region; The pixel columns of overlay region, is comprehensively determined by the resolution ratio of separate unit DLP projecting apparatus and the resolution ratio of the rear image of splicing; Data signal after afterwards image segmentating device having been cut apart is input to DVI interface, DVI interface exports signal to Fusion Edges processor again, then by Fusion Edges processor by the picture signal of input by the edge synthetic requirement that superposes, the picture signal of each overlay region is carried out respectively to Fusion Edges processing; After treatmently be transported to again each DLP projecting apparatus, each DLP projecting apparatus is then converted into the data signal of input on optical signals projection lens and is projected on the working face in resin storage tank, according to the shape of pattern, photosensitive resin is carried out after exposure curing, solidify one deck and specifically splice figure (place not being irradiated to is still liquid state); When the photosensitive resin in resin storage tank complete a bed thickness splicing solidify after, make resin storage tank decline a bed thickness, thereby the splicing cure stage that enters lower one deck, so repeatedly, complete whole splicings 3-D graphic solidify, whole product manufacture finishes.
Technical scheme described in the utility model is that the most of optical projection systems without embedded splicing functional unit of DLP of printing for current 3D design, and is undertaken can realizing seamless display after tiled display by external above-mentioned seamless splicing structure (image segmentating device+Fusion Edges processor+many DLP projecting apparatus). The utility model system, without existing splicing controller and optical projection system are changed, is a separate payment being independent of outside former optical projection system, has modular structure, easy to use; Realize simultaneously native system main devices adopt be high performance digital device, can reduce the complexity of circuit design, improve the stability of designed circuit, realize cost also lower, in addition by the sectioning image of three-dimensional digital-to-analogue by Duo Tai DLP projector image Overlapping display to the cumulative datum level of resin storage tank, increased the exposure area of resin storage tank. In the utility model system architecture, the use of Fusion Edges processor has been eliminated and has been spliced the physical-gap between the screen existing, thereby make the image view picture that resin storage tank shows keep complete in Fusion Edges splicing system, all images all pass through Fusion Edges processor and proofread and correct and unify, owing in processor, Projection Display image being processed, can adjust the aberration between different projection signals, bright poor, the uniformity, this picture quality that also makes this system show is more perfect. In practical application, design of the present utility model both can be used for the end sweeps in formula 3D print system, also can be used for top and sweeps in formula 3D print system.
Brief description of the drawings
Fig. 1 is the structural representation of a specific embodiment of the utility model.
Fig. 2 is face exposure curing principle schematic.
In accompanying drawing, the title of each number designation respectively: 1-PC main frame, 2-image segmentating device, 3-DVI interface, 4-Fusion Edges processor, 5-DLP projecting apparatus, 6-overlay region, 7-resin storage tank, 8-working face, 9-bracing frame, 10-product, 10a-solidifies ground floor, 10b-solidifies the second layer, and 10c-solidifies last one deck.
Detailed description of the invention
Below with reference to drawings and Examples, the utility model content is described further, but practical application form of the present utility model is not limited in illustrated embodiment.
Referring to Fig. 1, the exposure of the face based on DLP shadow casting technique 3D described in the utility model prints splicing formation system and is made up of parts such as PC main frame 1, image segmentating device 2, DVI interface 3, Fusion Edges processor 4, DLP optical projection system, lifting type resin storage tank 7 and bracing frames 9. PC main frame 1 divides layer cross section information to be converted into corresponding sectioning image information conveyance to image segmentating device 2 product after treatment. The product sectioning image information that image segmentating device 2 is exported PC main frame 1 is divided into two parts unit information and is delivered to DVI interface 3, and DVI interface 3 exports signal to Fusion Edges processor 4. DLP optical projection system is made up of the DLP projecting apparatus 5 of two adjacent settings, and the intersection region that each DLP projecting apparatus 5 projects image to resin storage tank 7 has formed the overlapped district 6 at cutting unit information edge. The pixel columns of overlay region 6, is comprehensively determined by the resolution ratio of separate unit DLP projecting apparatus 5 and the resolution ratio of the rear image of splicing. When work by Fusion Edges processor 4 by the picture signal of input by the edge synthetic requirement that superposes, the picture signal of overlay region 6 is carried out respectively to Fusion Edges processing, then by image signal transmission to two DLP projecting apparatus 5 after treatment. Two DLP projecting apparatus 5 are converted into optical signals projection lens by the data signal of input and are projected on the working face 8 in resin storage tank 7, working face 8 is equipped with on the resin storage tank 7 of photosensitive resin in being fixed on by bracing frame 9, the photosensitive resin being equipped with in resin storage tank 7 after exposure curing, solidifies ground floor (10a) and specifically splice figure on working face 8; Afterwards resin storage tank 7 is moved down to a bed thickness (0.01mm), two DLP projecting apparatus 5 splice curing projection to the second layer section of 3-D graphic again, photocuring is implemented principle as shown in Figure 2, splicing figure after the second layer (10b) solidifies is bonded on the curing product of ground floor, in like manner, the 3-D graphic of utilizing above-mentioned principle to complete whole splicing is solidified, until last one deck (10c) has solidified, the manufacture of whole product 10 is finished. Because DLP projecting apparatus has digital advantage, the input that the fusion treatment control system therefore studied is selected, the interface circuit that output signal is all designed to data signal. The utility model is chosen resolution ratio in 3 D-printing process, and to be that 1024 × 768 display screen carries out horizontally-spliced, 128 pixels of every row splicing. Two screens are horizontally-spliced, just can on resin storage tank 7, form the view picture screen of 1920 × 768.
Claims (3)
1. the exposure of the face based on a DLP shadow casting technique 3D prints splicing formation system, comprise PC main frame (1), DLP optical projection system, resin storage tank (7) and be arranged on the bracing frame (9) in lifting type resin storage tank (7), working face (8) is housed on bracing frame (9), it is characterized in that: in system, also comprise image segmentating device (2) and there is the Fusion Edges processor (4) of DVI interface (3), image segmentating device (2) is divided into a few part unit informations by the product sectioning image information of PC main frame (1) output and is delivered to the DVI interface (3) of Fusion Edges processor (4), the DLP projecting apparatus (5) that DLP optical projection system is arranged by some next-door neighbours forms, each DLP projecting apparatus (5) forms the overlapped district (6) at cutting unit information edge to the intersection region of resin storage tank (7) projection image, Fusion Edges processor (4) has carried out superposeing after synthetic fusion treatment to each overlay region (6) picture signal, the general image information of product is divided by cutting unit in the DLP projecting apparatus (5) of each correspondence of delivering to DLP optical projection system, by each DLP projecting apparatus (5) output optical signal, the liquid photosensitive resin in resin storage tank (7) being carried out to layered splicing shaping makes.
2. the exposure of the face based on DLP shadow casting technique 3D according to claim 1 prints splicing formation system, it is characterized in that: described image segmentating device (2) adopts the 4 hybrid 1080p image splitters in road that model is DS-HD401S.
3. the exposure of the face based on DLP shadow casting technique 3D according to claim 1 prints splicing formation system, it is characterized in that: described Fusion Edges processor (4) adopts the device that model is CK4MXXYY.
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| CN201520983708.3U CN205238580U (en) | 2015-12-01 | 2015-12-01 | Face exposure 3D prints concatenation forming system based on DLP projection technology |
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| CN201520983708.3U CN205238580U (en) | 2015-12-01 | 2015-12-01 | Face exposure 3D prints concatenation forming system based on DLP projection technology |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881916A (en) * | 2016-06-24 | 2016-08-24 | 吴建中 | 3D (three-dimensional) quick forming and splicing method and 3D quick forming and splicing device on basis of large layout |
| CN106042387A (en) * | 2016-07-19 | 2016-10-26 | 彭爽 | Photosensitive curing 3D printing machine |
| CN106042390A (en) * | 2016-07-28 | 2016-10-26 | 北京工业大学 | Multi-source large-scale face exposure 3D printing method |
| CN107121088A (en) * | 2017-04-27 | 2017-09-01 | 北京工业大学 | A kind of 3-D scanning method and apparatus that DLP3D printings are exposed for face |
| CN108274745A (en) * | 2017-12-29 | 2018-07-13 | 深圳摩方新材科技有限公司 | A kind of stepping splicing 3D printing system and Method of printing |
| CN110722799A (en) * | 2019-11-09 | 2020-01-24 | 苏州大学 | Large-format DLP type 3D printer dislocation shared seam eliminating method and system |
| CN111002582A (en) * | 2019-09-17 | 2020-04-14 | 上海联泰科技股份有限公司 | 3D printing apparatus and control method thereof |
| CN111483140A (en) * | 2020-03-05 | 2020-08-04 | 上海莘临科技发展有限公司 | Method for placing parts in spliced surface exposure 3D printer |
| CN112533748A (en) * | 2018-07-30 | 2021-03-19 | 无畏自动化 | Multi-image projection system for additive manufacturing |
| CN112519203A (en) * | 2020-12-02 | 2021-03-19 | 哈尔滨工业大学 | Efficient nondestructive supporting method for surface projection photocuring 3D printing based on gray level exposure |
| WO2023007405A1 (en) * | 2021-07-29 | 2023-02-02 | Intrepid Automation | Calibration systems and methods for additive manufacturing systems with multiple image projection |
| CN115837747A (en) * | 2021-09-18 | 2023-03-24 | 广州黑格智造信息科技有限公司 | Calibration method, projection method and 3D printing method for splicing light source modules |
| CN116152283A (en) * | 2023-04-18 | 2023-05-23 | 天津宜科自动化股份有限公司 | Processing method for grouping exposure of multiple line laser sensors |
| CN116766599A (en) * | 2023-07-07 | 2023-09-19 | 上海纬而视科技股份有限公司 | 3D printing light source control method and system |
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2015
- 2015-12-01 CN CN201520983708.3U patent/CN205238580U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881916A (en) * | 2016-06-24 | 2016-08-24 | 吴建中 | 3D (three-dimensional) quick forming and splicing method and 3D quick forming and splicing device on basis of large layout |
| CN106042387A (en) * | 2016-07-19 | 2016-10-26 | 彭爽 | Photosensitive curing 3D printing machine |
| CN106042390A (en) * | 2016-07-28 | 2016-10-26 | 北京工业大学 | Multi-source large-scale face exposure 3D printing method |
| CN107121088A (en) * | 2017-04-27 | 2017-09-01 | 北京工业大学 | A kind of 3-D scanning method and apparatus that DLP3D printings are exposed for face |
| CN108274745B (en) * | 2017-12-29 | 2021-02-12 | 深圳摩方新材科技有限公司 | Stepping splicing 3D printing system and printing method |
| CN108274745A (en) * | 2017-12-29 | 2018-07-13 | 深圳摩方新材科技有限公司 | A kind of stepping splicing 3D printing system and Method of printing |
| CN112533748A (en) * | 2018-07-30 | 2021-03-19 | 无畏自动化 | Multi-image projection system for additive manufacturing |
| CN112533748B (en) * | 2018-07-30 | 2023-04-18 | 无畏自动化 | Multi-image projection system for additive manufacturing |
| US11897196B2 (en) | 2018-07-30 | 2024-02-13 | Intrepid Automation | Multiple image projection system and method for additive manufacturing |
| CN111002582A (en) * | 2019-09-17 | 2020-04-14 | 上海联泰科技股份有限公司 | 3D printing apparatus and control method thereof |
| CN110722799A (en) * | 2019-11-09 | 2020-01-24 | 苏州大学 | Large-format DLP type 3D printer dislocation shared seam eliminating method and system |
| CN110722799B (en) * | 2019-11-09 | 2021-12-10 | 苏州大学 | Large-format DLP type 3D printer dislocation shared seam eliminating method and system |
| CN111483140A (en) * | 2020-03-05 | 2020-08-04 | 上海莘临科技发展有限公司 | Method for placing parts in spliced surface exposure 3D printer |
| CN112519203A (en) * | 2020-12-02 | 2021-03-19 | 哈尔滨工业大学 | Efficient nondestructive supporting method for surface projection photocuring 3D printing based on gray level exposure |
| WO2023007405A1 (en) * | 2021-07-29 | 2023-02-02 | Intrepid Automation | Calibration systems and methods for additive manufacturing systems with multiple image projection |
| CN115837747A (en) * | 2021-09-18 | 2023-03-24 | 广州黑格智造信息科技有限公司 | Calibration method, projection method and 3D printing method for splicing light source modules |
| CN115837747B (en) * | 2021-09-18 | 2024-03-01 | 广州黑格智造信息科技有限公司 | Calibration method, projection method and 3D printing method for splicing light source modules |
| CN116152283A (en) * | 2023-04-18 | 2023-05-23 | 天津宜科自动化股份有限公司 | Processing method for grouping exposure of multiple line laser sensors |
| CN116152283B (en) * | 2023-04-18 | 2023-07-28 | 天津宜科自动化股份有限公司 | Processing method for grouping exposure of multiple line laser sensors |
| CN116766599A (en) * | 2023-07-07 | 2023-09-19 | 上海纬而视科技股份有限公司 | 3D printing light source control method and system |
| CN116766599B (en) * | 2023-07-07 | 2024-01-23 | 上海纬而视科技股份有限公司 | 3D printing light source control method and system |
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| CF01 | Termination of patent right due to non-payment of annual fee |