CN116533511A - High-precision three-dimensional printing method - Google Patents
High-precision three-dimensional printing method Download PDFInfo
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- CN116533511A CN116533511A CN202310473399.4A CN202310473399A CN116533511A CN 116533511 A CN116533511 A CN 116533511A CN 202310473399 A CN202310473399 A CN 202310473399A CN 116533511 A CN116533511 A CN 116533511A
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- dimensional printing
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- 238000010146 3D printing Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 72
- 229920005989 resin Polymers 0.000 claims abstract description 72
- 238000000016 photochemical curing Methods 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 claims abstract description 15
- 238000003384 imaging method Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 abstract description 14
- 238000007726 management method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/264—Arrangements for irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to the technical field of three-dimensional printing, and discloses a high-precision three-dimensional printing method, which comprises the following steps of S1, three-dimensional modeling: designing and establishing a three-dimensional model of the micro-architecture by using three-dimensional modeling software; s2, multi-view imaging: capturing images of the three-dimensional model of the micro-architecture from multiple angles using a multi-view imaging technique; s3, slicing: inputting multi-view model data into slicing software, and slicing the model into a plurality of layers; s4, three-dimensional printing: using a high-precision miniaturized three-dimensional printing device; the invention adopts the multi-view imaging technology and the high-precision miniaturized three-dimensional printing equipment such as the photo-curing 3D printer, can obtain model data with higher precision, and improves the printing precision and quality; and the rear end of the resin tank is provided with an adjusting mechanism, so that full-automatic management is realized, manual operation is not needed, the resin tank is detachably arranged on the machine body, and when production is not carried out, the resin tank can be detached to recycle the resin solution inside.
Description
Technical Field
The invention relates to the technical field of three-dimensional printing, in particular to a high-precision three-dimensional printing method.
Background
Three-dimensional printing is a novel rapid prototyping manufacturing technology, a product is manufactured by a multilayer superposition growth principle, special structural barriers which cannot be realized by traditional machining can be overcome, simplified production of any complex structural component can be realized, and the existing 3D printing technology is divided into a hot melt plastic basic technology FDM, a laser sintering molding technology and a photocuring liquid resin molding technology; the traditional photocuring 3D printer is inconvenient when adding the photocuring liquid resin, and the height adjustment range of the printed device is small.
The Chinese patent discloses a photocuring 3D printing method (publication No. CN 108688152A), the technology of the patent is provided with a storage mechanism, the storage mechanism is convenient for storing the photocuring liquid resin in the printing structure, the photocuring liquid resin is convenient to be added into the printing structure when the equipment works, the operation flexibility is greatly improved, and meanwhile, the storage structure is arranged on the guide structure, so that the storage structure on the guide structure is convenient to adjust, and the photocuring liquid resin is more convenient to store; however, when the photo-curing liquid resin is added, the manual repeated operation is needed, the height of the storage mechanism is adjusted up and down by unscrewing the limit column, or the driving rod is driven, so that a great amount of time is needed for adjustment, and the photo-curing liquid resin is not simple and convenient enough. Accordingly, a high-precision three-dimensional printing method is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to provide a high-precision three-dimensional printing method for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a high precision three-dimensional printing method, comprising the steps of:
s1, three-dimensional modeling: designing and establishing a three-dimensional model of the micro-architecture by using three-dimensional modeling software;
s2, multi-view imaging: capturing images of the micro-building three-dimensional model from multiple angles by adopting a multi-view imaging technology, and obtaining high-precision model data;
s3, slicing: inputting multi-view model data into slicing software, and slicing the model into a plurality of layers;
s4, three-dimensional printing: and (3) using high-precision miniaturized three-dimensional printing equipment to print layer by layer according to the sliced data, and finishing the manufacturing of the micro-architecture.
As still further aspects of the invention: the three-dimensional modeling software in the S1 comprises AutoCAD, sketchUp, solidworks, maya, and the micro-architecture in the S1 comprises micro-architecture, micro-landscapes and micro-artwork.
As still further aspects of the invention: the multiple view angle in S2 includes a front, side, top view, and bottom view of the micro-building.
As still further aspects of the invention: the slicing software in the S3 comprises Cure and S3d, makerware, repetierHost.
As still further aspects of the invention: the high-precision miniaturized three-dimensional printing equipment in the step S4 is a photocuring 3D printer; the light-cured 3D printer comprises a machine body, the upper surface mounting of organism has the resin groove, the lower surface of resin groove is located the inside of organism and is provided with illumination mechanism, the inside of organism is located the right side of resin groove and installs the backup pad, the lower extreme left side surface mounting of backup pad has lower supporting shoe, the lower surface mounting of lower supporting shoe has the motor, the threaded rod is installed to the upper end of motor, the external screw thread of threaded rod is connected with the supporting seat, the equal swing joint in four corners of supporting seat has the bracing piece, and the left end of supporting seat installs the template seat, the template board is installed to the lower sheet of template seat, the left side surface upper end of backup pad is installed the supporting shoe, the front surface mounting of organism has the bottom plate, the upper surface mounting of bottom plate has the resin jar, the upper surface mounting of resin jar has the delivery pump, the rear end of delivery pump is connected with the conveyer pipe, the rear surface of resin groove is provided with adjustment mechanism.
As still further aspects of the invention: the illumination mechanism comprises a fixing seat, an exposure module is arranged on the lower surface of the inside of the fixing seat, a focusing lens is arranged above the exposure module, a threaded lens is arranged above the focusing lens in the inside of the fixing seat, a polarizing film is arranged above the threaded lens in the inside of the fixing seat, and a liquid crystal panel is arranged above the polarizing film in the inside of the fixing seat.
As still further aspects of the invention: the adjusting mechanism comprises an installation seat, the front end externally mounted of the installation seat is provided with an installation plate, the inside of the installation seat is provided with a sliding rod, the outside of the sliding rod is slidably connected with a sliding sleeve, the outside of the sliding sleeve is provided with a buoyancy plate, the rear end of the upper surface of the buoyancy plate is provided with an installation vertical rod, the upper end of the installation vertical rod is provided with an installation cross rod, the surfaces of the upper and lower sides of the front and rear ends of the installation cross rod are provided with induction plates, the upper surface of the installation seat is provided with an adjusting seat, the front and rear ends of the surfaces of the upper and lower sides of the inside of the adjusting seat are provided with installation blocks, one side surface of the installation blocks is provided with a proximity switch, the outside of the installation seat is provided with a sealing gasket, and four corners of the installation plate are movably connected with installation bolts in a penetrating manner.
As still further aspects of the invention: the mold plate is right to the central point of resin groove, the upper end of threaded rod rotates and connects in the lower surface of last supporting shoe, the upper end of bracing piece is installed on the lower surface of last supporting shoe, the rear end through connection of conveyer pipe is in the front surface lower extreme position department of resin groove.
As still further aspects of the invention: the fixing seat is arranged on the lower surface of the resin tank.
As still further aspects of the invention: the mounting seat is connected to the rear surface of the resin tank in a penetrating mode, the density of the buoyancy plate is smaller than that of the resin solution, the mounting vertical rods are connected to the upper surface of the mounting seat and the lower surface of the adjusting seat in a penetrating mode, the sealing gasket is attached to the rear surface of the resin tank in a penetrating mode, the mounting bolts movably penetrate through the sealing gasket, and the rear ends of the mounting bolts are connected to the inside of the resin tank in a threaded mode.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts the multi-view imaging technology and the high-precision miniaturized three-dimensional printing equipment such as the photo-curing 3D printer, can obtain model data with higher precision, and improves the printing precision and quality; and still set up adjustment mechanism at the rear end of resin tank, when the resin solution liquid level in the resin tank is less than certain degree, the below is responded to and is pasted to below proximity switch to open the delivery pump and carry the resin solution voluntarily through external control system, when the resin solution of carrying is enough, the top is responded to and is pasted to above proximity switch, thereby close the delivery pump through external control system, and then realized full automatization management, need not manual operation, and the resin tank is detachably installs on the organism, when not carrying out production, can dismantle it and retrieve inside resin solution.
Drawings
FIG. 1 is a flow diagram of a high-precision three-dimensional printing method;
FIG. 2 is a schematic diagram of a high-precision miniaturized three-dimensional printing apparatus in a high-precision three-dimensional printing method;
FIG. 3 is a partial cross-sectional view of a high-precision miniaturized three-dimensional printing apparatus in a high-precision three-dimensional printing method;
FIG. 4 is a schematic diagram of the structure of an illumination mechanism in a high-precision three-dimensional printing method;
FIG. 5 is a schematic diagram of the structure of an adjustment mechanism in a high-precision three-dimensional printing method;
fig. 6 is a cross-sectional view of an adjustment mechanism in a high-precision three-dimensional printing method.
In the figure: 1. a body; 2. a resin tank; 3. an illumination mechanism; 4. a support plate; 5. a lower support block; 6. a motor; 7. a threaded rod; 8. a support base; 9. a support rod; 10. a template seat; 11. a pattern plate; 12. an upper support block; 13. a bottom plate; 14. a resin tank; 15. a transfer pump; 16. a delivery tube; 17. an adjusting mechanism; 18. a fixing seat; 19. an exposure module; 20. a focusing lens; 21. a threaded lens; 22. a polarizing film; 23. a liquid crystal panel; 24. a mounting base; 25. a mounting plate; 26. a slide bar; 27. a sliding sleeve; 28. a buoyancy plate; 29. mounting a vertical rod; 30. mounting a cross bar; 31. an induction piece; 32. an adjusting seat; 33. a mounting block; 34. a proximity switch; 35. a sealing gasket; 36. and (5) installing a bolt.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, a high-precision three-dimensional printing method includes the following steps:
s1, three-dimensional modeling: designing and establishing a three-dimensional model of the micro-architecture by using three-dimensional modeling software; the three-dimensional modeling software comprises AutoCAD, sketchUp, solidworks, maya, and the micro-architecture comprises a micro-building, a micro-landscape and a micro-artwork; parameters such as size, proportion, material and the like of the model can be adjusted according to actual requirements and scenes, the details and quality of the model need to be paid attention to, and the accuracy and the integrity of the model are ensured;
s2, multi-view imaging: capturing images of the micro-building three-dimensional model from multiple angles by adopting a multi-view imaging technology, and obtaining high-precision model data; the multi-view angle comprises front, side, overlook and look-up view angles of the micro-architecture, the multi-view angle imaging technology can improve the precision and the integrity of a three-dimensional model of the micro-architecture, so that the precision and the quality of three-dimensional printing are improved, meanwhile, the multi-view angle imaging technology can provide more references and inspiration for the design and the manufacture of the micro-architecture, model data with higher precision can be obtained through images of the view angles, the precision and the quality of three-dimensional printing are improved, and imaging equipment can comprise equipment such as a camera or a laser scanner;
s3, slicing: inputting the multi-view model data into slicing software, and slicing the model into a plurality of layers, wherein the step is to decompose the three-dimensional model into a layer-by-layer printing mode, the slicing software can generate corresponding slicing data according to set printing parameters (such as layer height, filling rate, supporting structure and the like), and in addition, the slicing software can optimize a printing path and improve printing speed and efficiency; slicing software comprises Cure and S3d, makerware, repetierHost;
s4, three-dimensional printing: printing layer by layer according to the sliced data by using high-precision miniaturized three-dimensional printing equipment to finish the manufacturing of the micro-architecture; in the printing process, the high-precision miniaturized three-dimensional printing equipment can automatically adjust conditions such as printing speed, temperature and the like according to set parameters, so that printing quality is ensured, meanwhile, a finer printing effect can be realized by the high-precision miniaturized three-dimensional printing technology, and the surface quality and detail expression of the micro-architecture are improved; after printing is completed, post-processing is required to ensure the quality and integrity of the micro-architecture, with specific post-processing procedures including removal of support structures, trimming, polishing, etc.
Preferably, the high-precision miniaturized three-dimensional printing equipment in the step S4 is a photocuring 3D printer; the photo-curing 3D printer comprises a machine body 1, wherein a resin groove 2 is arranged on the upper surface of the machine body 1, an illumination mechanism 3 is arranged in the machine body 1 on the lower surface of the resin groove 2, a transparent plate is arranged at the lower end of the interior of the resin groove 2 and used for matching with the illumination mechanism 3, the resin groove 2 is detachably arranged on the upper surface of the machine body 1, a supporting plate 4 is arranged on the right side of the resin groove 2 in the interior of the machine body 1, a lower supporting block 5 is arranged on the left surface of the lower end of the supporting plate 4, a motor 6 is arranged on the lower surface of the lower supporting block 5, a threaded rod 7 is arranged at the upper end of the motor 6, a supporting seat 8 is connected with external threads of the threaded rod 7, supporting rods 9 are movably connected with four corners of the supporting seat 8 in a penetrating manner, a template seat 10 is arranged at the left end of the supporting seat 8, the lower sheet of the template seat 10 is provided with a template plate 11, the template plate 11 is opposite to the center position of the resin tank 2, the upper end of the left side surface of the supporting plate 4 is provided with an upper supporting block 12, the upper end of the threaded rod 7 is rotationally connected with the lower surface of the upper supporting block 12, the upper end of the supporting rod 9 is arranged on the lower surface of the upper supporting block 12, the front surface of the machine body 1 is provided with a bottom plate 13, the upper surface of the bottom plate 13 is provided with a resin tank 14, a resin solution is arranged in the resin tank 14, the upper surface of the resin tank 14 is provided with a conveying pump 15, the rear end of the conveying pump 15 is connected with a conveying pipe 16, the rear end of the conveying pipe 16 is connected with the lower end position of the front surface of the resin tank 2 in a penetrating way, and the rear surface of the resin tank 2 is provided with an adjusting mechanism 17;
the motor 6 drives the threaded rod 7 to rotate so that the supporting seat 8 can be lifted, the conveying pump 15 conveys resin solution in the resin tank 14 into the resin tank 2, the motor 6 drives the supporting seat 8 to descend so as to drive the pattern plate 11 to descend and be immersed in the resin tank 2, the illumination mechanism 3 is started, the motor 6 drives the pattern plate 11 to ascend again, 3D printing is carried out on one side, the printed pattern is adhered to the lower surface of the pattern plate 11, and the motor 6, the illumination mechanism 3 and the conveying pump 15 are all automatically controlled by an external control system;
the illumination mechanism 3 comprises a fixed seat 18, wherein the fixed seat 18 is arranged on the lower surface of the resin tank 2, an exposure module 19 is arranged on the lower surface of the inside of the fixed seat 18, a focusing lens 20 is arranged above the exposure module 19 in the inside of the fixed seat 18, a threaded lens 21 is arranged above the focusing lens 20 in the inside of the fixed seat 18, a polarizing film 22 is arranged above the threaded lens 21 in the inside of the fixed seat 18, and a liquid crystal panel 23 is arranged above the polarizing film 22 in the inside of the fixed seat 18;
the adjusting mechanism 17 comprises an installing seat 24, the installing seat 24 is connected with the rear surface of the resin tank 2 in a penetrating way, an installing plate 25 is arranged outside the front end of the installing seat 24, a sliding rod 26 is arranged inside the installing seat 24, a sliding sleeve 27 is connected to the outside of the sliding rod 26 in a sliding way, a buoyancy plate 28 is arranged outside the sliding sleeve 27, the density of the buoyancy plate 28 is smaller than that of resin solution, an installing vertical rod 29 is arranged at the rear end of the upper surface of the buoyancy plate 28, an installing cross rod 30 is arranged at the upper end of the installing vertical rod 29, sensing pieces 31 are arranged on the upper and lower surfaces of the front end and the rear end of the installing cross rod 30, the weight of the installing vertical rod 29, the installing cross rod 30 and the sensing pieces 31 is extremely light, the floating of the buoyancy plate 28 is not influenced, an adjusting seat 32 is arranged on the upper surface of the installing seat 24, the installing vertical rod 29 penetrates and slides on the upper surface of the installing seat 24 and the lower surface of the adjusting seat 32, an installing block 33 is arranged on the front and the rear end of the inner surface of the adjusting seat 32, a proximity switch 34 is arranged on one side surface of the installing block 33, when the installing cross rod 30 is positioned at the lowest point, the lower sensing piece 31 is opposite to the proximity switch 34, the sensing piece 31 is positioned at the lower proximity switch 34, the front end is positioned at the right above the highest point, the sensing piece 30 is positioned at the front end and the rear end of the sealing seat 35 is positioned at the front end of the sealing seat 35 and is positioned at the front end of the sealing seat 35 and is connected with the front end of the sealing seat 35 and the sealing seat 2 and the front end of the sealing seat 2;
when the resin solution in the resin tank 2 is less and less, the buoyancy plate 28 will descend due to the fact that the density of the buoyancy plate 28 is smaller than that of the resin solution, when the buoyancy plate 28 descends to the lowest point, the lower two sensing plates 31 are just right opposite to the lower two proximity switches 34, at the moment, the external control system starts the conveying pump 15 to convey the resin solution into the resin tank 2, when the resin solution in the resin tank 2 is more and more, the buoyancy plate 28 will ascend, when the buoyancy plate 28 is at the highest point, the upper two sensing plates 31 are just right opposite to the upper two proximity switches 34, and the external control system turns off the conveying pump 15, so that the automatic addition of the resin solution in the resin tank 2 is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The high-precision three-dimensional printing method is characterized by comprising the following steps of:
s1, three-dimensional modeling: designing and establishing a three-dimensional model of the micro-architecture by using three-dimensional modeling software;
s2, multi-view imaging: capturing images of the micro-building three-dimensional model from multiple angles by adopting a multi-view imaging technology, and obtaining high-precision model data;
s3, slicing: inputting multi-view model data into slicing software, and slicing the model into a plurality of layers;
s4, three-dimensional printing: and (3) using high-precision miniaturized three-dimensional printing equipment to print layer by layer according to the sliced data, and finishing the manufacturing of the micro-architecture.
2. The high-precision three-dimensional printing method according to claim 1, wherein the three-dimensional modeling software in the step S1 comprises AutoCAD, sketchUp, solidworks, maya, and the micro-architecture in the step S1 comprises micro-architecture, micro-landscapes and micro-artwork.
3. The method according to claim 1, wherein the multiple viewing angles in S2 include front, side, top, bottom viewing angles of the micro-architecture.
4. The method according to claim 1, wherein the slicing software in S3 includes Cure and S3d, makerware, repetierHost.
5. The high-precision three-dimensional printing method according to claim 1, wherein the high-precision miniaturized three-dimensional printing equipment in the step S4 is a photo-curing 3D printer; the photocuring 3D printer comprises a machine body (1), a resin groove (2) is arranged on the upper surface of the machine body (1), an illumination mechanism (3) is arranged in the machine body (1) and is positioned on the lower surface of the resin groove (2), a supporting plate (4) is arranged on the right side of the resin groove (2) and is positioned in the machine body (1), a lower supporting block (5) is arranged on the left surface of the lower end of the supporting plate (4), a motor (6) is arranged on the lower surface of the lower supporting block (5), a threaded rod (7) is arranged at the upper end of the motor (6), a supporting seat (8) is connected with external threads of the threaded rod (7), supporting rods (9) are movably connected at four corners of the supporting seat (8), a template seat (10) is arranged at the left end of the supporting seat (8), a template seat (11) is arranged on the lower part of the template seat (10), an upper supporting block (12) is arranged on the left surface of the supporting plate (4), a bottom plate (13) is arranged on the front surface of the machine body (1), a bottom plate (13) is arranged on the upper surface of the machine body (1), a pump (14) is arranged on the surface of the conveying tank (14), a conveying pipe (14) is arranged on the surface of the conveying tank (14), the rear surface of the resin tank (2) is provided with an adjusting mechanism (17).
6. The high-precision three-dimensional printing method according to claim 5, wherein the illumination mechanism (3) comprises a fixed seat (18), an exposure module (19) is mounted on the inner lower surface of the fixed seat (18), a focusing lens (20) is mounted above the exposure module (19) in the inner position of the fixed seat (18), a threaded lens (21) is mounted above the focusing lens (20) in the inner position of the fixed seat (18), a polarizing film (22) is mounted above the threaded lens (21) in the inner position of the fixed seat (18), and a liquid crystal panel (23) is mounted above the polarizing film (22) in the inner position of the fixed seat (18).
7. The high-precision three-dimensional printing method according to claim 5, wherein the adjusting mechanism (17) comprises a mounting seat (24), a mounting plate (25) is externally mounted at the front end of the mounting seat (24), a sliding rod (26) is internally mounted at the front end and the rear end of the mounting seat (24), a sliding sleeve (27) is connected with the outer sliding of the sliding rod (26), a buoyancy plate (28) is externally mounted at the sliding sleeve (27), a mounting vertical rod (29) is mounted at the rear end of the upper surface of the buoyancy plate (28), a mounting cross rod (30) is mounted at the upper end of the mounting vertical rod (29), sensing pieces (31) are mounted on the upper surface and the lower surface of the front end and the rear end of the mounting cross rod (30), an adjusting seat (32) is mounted on the upper surface of the mounting seat (24), a mounting block (33) is mounted on the front surface and the lower surface of the front end and the rear end of the inner side of the adjusting seat (32), a proximity switch (34) is mounted on one side surface of the mounting block (33), a sealing pad (35) is mounted at the rear end of the buoyancy plate (28), and four corners (36) of the mounting plate (25) are movably connected with each other.
8. The high-precision three-dimensional printing method according to claim 5, wherein the molding plate (11) is opposite to the center position of the resin tank (2), the upper end of the threaded rod (7) is rotatably connected to the lower surface of the upper supporting block (12), the upper end of the supporting rod (9) is mounted on the lower surface of the upper supporting block (12), and the rear end of the conveying pipe (16) is connected to the lower end position of the front surface of the resin tank (2) in a penetrating manner.
9. A high-precision three-dimensional printing method according to claim 6, wherein the fixing base (18) is mounted on the lower surface of the resin tank (2).
10. The high-precision three-dimensional printing method according to claim 7, wherein the mounting seat (24) is connected to the rear surface of the resin tank (2) in a penetrating manner, the density of the buoyancy plate (28) is smaller than that of the resin solution, the mounting vertical rod (29) is connected to the upper surface of the mounting seat (24) and the lower surface of the adjusting seat (32) in a penetrating manner, the sealing gasket (35) is attached to the rear surface of the resin tank (2), the mounting bolt (36) is movably connected to the sealing gasket (35) in a penetrating manner, and the rear end of the mounting bolt (36) is connected to the inside of the resin tank (2) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310473399.4A CN116533511A (en) | 2023-04-28 | 2023-04-28 | High-precision three-dimensional printing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310473399.4A CN116533511A (en) | 2023-04-28 | 2023-04-28 | High-precision three-dimensional printing method |
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| CN116533511A true CN116533511A (en) | 2023-08-04 |
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| CN202310473399.4A Pending CN116533511A (en) | 2023-04-28 | 2023-04-28 | High-precision three-dimensional printing method |
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| Country | Link |
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| CN (1) | CN116533511A (en) |
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