CN104015363A - DLP (digital light procession) rapid molding system and DLP rapid molding method for large-sized object - Google Patents
DLP (digital light procession) rapid molding system and DLP rapid molding method for large-sized object Download PDFInfo
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- CN104015363A CN104015363A CN201410281053.5A CN201410281053A CN104015363A CN 104015363 A CN104015363 A CN 104015363A CN 201410281053 A CN201410281053 A CN 201410281053A CN 104015363 A CN104015363 A CN 104015363A
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Abstract
The invention discloses a DLP (digital light procession) rapid molding system and a DLP rapid molding method for a large-sized object. The system comprises four pieces of DLP projection equipment which are arranged on the same platform, and a large-sized resin liquid tank; each piece of DLP projection equipment comprises a fine-tuning unit; a cross-shaped target formed by two orthogonal straight lines is arranged in the center of the bottom of the large-sized resin liquid tank; the four pieces of DLP projection equipment are respectively first DLP projection equipment, second DLP projection equipment, third DLP projection equipment and fourth DLP projection equipment; the cross section of the large-sized resin liquid tank is divided into four sub-regions of I, II, III and IV; large-sized projection area is obtained by splicing the four pieces of the DLP projection equipment. According to the technical scheme, the molding precision is high, the molding speed is high, and a lager molding size can be obtained by extending a plurality of pieces of DLP projection equipment.
Description
Technical field
The present invention relates to rapid shaping field, relate in particular to a kind of DLP (Digital Light Procession, digital light is processed) rapid prototyping system and method for large scale object.
Background technology
At present, the rapid shaping technique of light-cured resin mainly contains SLA (Stereo Lithography Apparatus, stereo lithography apparatus) and two kinds of modes of DLP, not only equipment is simple for the mode of employing DLP, and shaping speed is more a lot of soon than adopting the mode of SLA, so DLP rapid shaping technique is favored by more in market.But the size of DLP moulding is at present smaller, therefore more the DLP rapid shaping of large scale object is the problem that needs solution.
Summary of the invention
The technical problem to be solved in the present invention is, cannot realize the defect of the DLP rapid shaping of large scale object for prior art, and a kind of DLP rapid prototyping system and method for large scale object is provided, and this technical scheme formed precision is high and shaping speed is fast.
The technical solution adopted for the present invention to solve the technical problems is: the DLP rapid prototyping system that the invention provides a kind of large scale object, it comprises and is installed on 4 DLP projector equipments of identical platform and is placed in 4 large scale resin liquid baths directly over DLP projector equipment, every DLP projector equipment includes a fine-adjusting unit, the bottom centre of described large scale resin liquid bath arranges the cross target by the rectilinear(-al) of two quadratures, 4 DLP projector equipments are respectively a DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment, the cross section of described large scale resin liquid bath is divided into I, II, tetra-subregions of III and IV, wherein:
A described DLP projector equipment, for the first L-type pattern of projection I subregion, and proofreaies and correct;
Described the 2nd DLP projector equipment, for the second L-type pattern of projection II subregion, and proofreaies and correct;
Described the 3rd DLP projector equipment, for the 3rd L-type pattern of projection III subregion, and proofreaies and correct;
Described the 4th DLP projector equipment, for the 4th L-type pattern of projection IV subregion, and proofreaies and correct;
Described fine-adjusting unit, for controlling described the first L-type pattern, described the second L-type pattern, described the 3rd L-type pattern and described the 4th L-type pattern are overlapped with described cross target respectively, to complete correction;
A described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment also for respectively to I, II, III and tetra-regional exposures of IV with solidify, with rapid shaping.
In the DLP of large scale object of the present invention rapid prototyping system, 4 DLP projector equipments are installed on to identical platform and are specially relative center quadrature and the symmetry between every DLP projector equipment.
In the DLP rapid prototyping system that utilizes large scale object of the present invention, the connection sideline of described four subregions is two orthogonal straight lines of described cross target.
The present invention also provides a kind of DLP quick molding method of large scale object, described large scale resin liquid bath be placed in 4 DLP projector equipments directly over, the bottom centre of described large scale resin liquid bath arranges the cross target by the rectilinear(-al) of two quadratures, and 4 DLP projector equipments are respectively a DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment; Described method comprises:
The one DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment are arranged in identical platform;
The cross section of large scale resin liquid bath is divided into I, II, III and tetra-subregions of IV;
At calibration phase, a described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment be the first L-type pattern, the second L-type pattern of II subregion, the 3rd L-type pattern of III subregion and the 4th L-type pattern of IV subregion of projection I subregion respectively;
Respectively described the first L-type pattern, described the second L-type pattern, described the 3rd L-type pattern and described the 4th L-type pattern are overlapped with cross target, to complete correction;
A described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment are respectively to I, II, III and tetra-regional exposures of IV and curing, with rapid shaping.
In the DLP of large scale object of the present invention quick molding method, 4 DLP projector equipments are installed on to identical platform and are specially relative center quadrature and the symmetry between every DLP projector equipment.
In the DLP of large scale object of the present invention quick molding method, the connection sideline of described four subregions is two orthogonal straight lines of described cross target.
Implement technical scheme of the present invention, there is following beneficial effect: utilize 4 DLP projector equipment splicings to obtain large-sized projected area, this technical scheme formed precision is high and shaping speed is fast, and can expand many larger compact dimensions of DLP projector equipments acquisition.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the DLP rapid prototyping system of large scale object of the present invention;
The structural representation in cross section when Fig. 2 is the DLP rapid prototyping system projection of large scale object of the present invention;
Fig. 3 is the schematic diagram that four L-type patterns of the present invention overlap with cross target;
Fig. 4 is the effect schematic diagram of the DLP quick molding method application of large scale object of the present invention.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the structural representation of the DLP rapid prototyping system of large scale object of the present invention, as shown in Figure 1, the DLP rapid prototyping system of this large scale object comprises and is installed on 4 DLP projector equipments of identical platform and is placed in 4 large scale resin liquid baths directly over DLP projector equipment, in the present embodiment, 4 DLP projector equipments are installed on to identical platform and are specially relative center quadrature and the symmetry between every DLP projector equipment; It should be noted that in other embodiments, can expand many DLP projector equipments, thereby obtain larger compact dimensions.
Every DLP projector equipment includes a fine-adjusting unit (not shown), the bottom centre of described large scale resin liquid bath arranges the cross target by the rectilinear(-al) of two quadratures, as shown in Figure 2, article two, the straight line of quadrature is respectively straight line h and straight line v, 4 DLP projector equipments are respectively a DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment, the cross section of described large scale resin liquid bath is divided into I, II, III, tetra-subregions of IV, in the present embodiment, the connection sideline of described four subregions is two orthogonal straight lines of described cross target.Introduce the effect of various piece below:
A described DLP projector equipment, for the first L-type pattern of projection I subregion, and proofreaies and correct, and in Fig. 2, the first L-type pattern is denoted as 1.
Described the 2nd DLP projector equipment, for the second L-type pattern of projection II subregion, and proofreaies and correct, and in Fig. 2, the second L-type pattern is denoted as 2.
Described the 3rd DLP projector equipment, for the 3rd L-type pattern of projection III subregion, and proofreaies and correct, and in Fig. 2, the 3rd L-type pattern is denoted as 3.
Described the 4th DLP projector equipment, for the 4th L-type pattern of projection IV subregion, in Fig. 2, the 4th L-type pattern is denoted as 4.
A described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment also for respectively to I, II, III and tetra-regional exposures of IV with solidify, with rapid shaping.
Described fine-adjusting unit, for controlling described the first L-type pattern, described the second L-type pattern, described the 3rd L-type pattern and described the 4th L-type pattern overlapped with described cross target respectively, as shown in Figure 3, in the present embodiment, while overlapping, the sideline of splicing will strictly overlap, and conventionally requires to reach micron-sized registration.It should be noted that the fine-adjusting unit here mainly adopts the method for software to realize, thereby reduced cost.
In this scheme, the DLP quick molding method of this large scale object comprises:
The one DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment are arranged in identical platform;
The cross section of large scale resin liquid bath is divided into I, II, III, tetra-subregions of IV;
At calibration phase, a described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment be the first L-type pattern, the second L-type pattern of II subregion, the 3rd L-type pattern of III subregion and the 4th L-type pattern of IV subregion of projection I subregion respectively;
Respectively described the first L-type pattern, described the second L-type pattern, described the 3rd L-type pattern and described the 4th L-type pattern are overlapped with cross target, to complete correction;
A described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment be respectively to I, II, and III, tetra-regional exposures of IV and solidifying, with rapid shaping.
Incorporated by reference to consulting Fig. 4, Fig. 4 is the effect schematic diagram of the DLP quick molding method application of large scale object of the present invention, as shown in Figure 4, utilizes the DLP quick molding method of above-mentioned large scale object, not only realize the DLP of large scale object, and Rapid Prototyping Manufacturing Precision is high and shaping speed is fast.
Compared to prior art, utilize 4 DLP projector equipment splicings to obtain large-sized projected area, realize the DLP rapid shaping of large scale object, this technical scheme formed precision is high and shaping speed is fast, and can expand many larger compact dimensions of DLP projector equipments acquisition.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present invention.
Claims (6)
1. the DLP rapid prototyping system of a large scale object, it is characterized in that, it comprises and is installed on 4 DLP projector equipments of identical platform and is placed in 4 large scale resin liquid baths directly over DLP projector equipment, every DLP projector equipment includes a fine-adjusting unit, the bottom centre of described large scale resin liquid bath arranges the cross target by the rectilinear(-al) of two quadratures, 4 DLP projector equipments are respectively a DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment, the cross section of described large scale resin liquid bath is divided into I, II, tetra-subregions of III and IV, wherein:
A described DLP projector equipment, for the first L-type pattern of projection I subregion, and proofreaies and correct;
Described the 2nd DLP projector equipment, for the second L-type pattern of projection II subregion, and proofreaies and correct;
Described the 3rd DLP projector equipment, for the 3rd L-type pattern of projection III subregion, and proofreaies and correct;
Described the 4th DLP projector equipment, for the 4th L-type pattern of projection IV subregion, and proofreaies and correct;
Described fine-adjusting unit, for controlling described the first L-type pattern, described the second L-type pattern, described the 3rd L-type pattern and described the 4th L-type pattern are overlapped with described cross target respectively, to complete correction;
A described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment also for respectively to I, II, III and tetra-regional exposures of IV with solidify, with rapid shaping.
2. the DLP rapid prototyping system of large scale object according to claim 1, is characterized in that, 4 DLP projector equipments is installed on to identical platform and is specially relative center quadrature and the symmetry between every DLP projector equipment.
3. the DLP rapid prototyping system that utilizes large scale object according to claim 1, is characterized in that, the connection sideline of described four subregions is two orthogonal straight lines of described cross target.
4. the DLP quick molding method of a large scale object, it is characterized in that, described large scale resin liquid bath be placed in 4 DLP projector equipments directly over, the bottom centre of described large scale resin liquid bath arranges the cross target by the rectilinear(-al) of two quadratures, and 4 DLP projector equipments are respectively a DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment; Described method comprises:
The one DLP projector equipment, the 2nd DLP projector equipment, the 3rd DLP projector equipment and the 4th DLP projector equipment are arranged in identical platform;
The cross section of large scale resin liquid bath is divided into I, II, III and tetra-subregions of IV;
At calibration phase, a described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment be the first L-type pattern, the second L-type pattern of II subregion, the 3rd L-type pattern of III subregion and the 4th L-type pattern of IV subregion of projection I subregion respectively;
Respectively described the first L-type pattern, described the second L-type pattern, described the 3rd L-type pattern and described the 4th L-type pattern are overlapped with cross target, to complete correction;
A described DLP projector equipment, described the 2nd DLP projector equipment, described the 3rd DLP projector equipment and described the 4th DLP projector equipment are respectively to I, II, III and tetra-regional exposures of IV and curing, with rapid shaping.
5. the DLP quick molding method of large scale object according to claim 4, is characterized in that, 4 DLP projector equipments is installed on to identical platform and is specially relative center quadrature and the symmetry between every DLP projector equipment.
6. the DLP quick molding method of large scale object according to claim 4, is characterized in that, the connection sideline of described four subregions is two orthogonal straight lines of described cross target.
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| CN106042390A (en) * | 2016-07-28 | 2016-10-26 | 北京工业大学 | Multi-source large-scale face exposure 3D printing method |
| CN106696259A (en) * | 2017-02-22 | 2017-05-24 | 无锡金谷三维科技有限公司 | Polar coordinate type 3D printer and printing method thereof |
| CN108608642A (en) * | 2018-04-26 | 2018-10-02 | 珠海天威飞马打印耗材有限公司 | Photocuring three-dimensional printer and its Method of printing |
| CN109693371A (en) * | 2017-10-20 | 2019-04-30 | 扬明光学股份有限公司 | Three-dimensional printing system and its manufacturing method |
| CN109968663A (en) * | 2019-04-23 | 2019-07-05 | 上海幻嘉信息科技有限公司 | A kind of projection split type 3D printing method and 3D printing device |
| WO2020028122A1 (en) | 2018-07-30 | 2020-02-06 | Intrepid Automation | Multiple image projection system for additive manufacturing |
| US10953597B2 (en) | 2017-07-21 | 2021-03-23 | Saint-Gobain Performance Plastics Corporation | Method of forming a three-dimensional body |
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