CN111421805B - Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing - Google Patents
Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing Download PDFInfo
- Publication number
- CN111421805B CN111421805B CN202010131781.3A CN202010131781A CN111421805B CN 111421805 B CN111421805 B CN 111421805B CN 202010131781 A CN202010131781 A CN 202010131781A CN 111421805 B CN111421805 B CN 111421805B
- Authority
- CN
- China
- Prior art keywords
- shaft
- axis
- rotating
- servo motor
- photosensitive resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B29C64/277—Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The invention discloses a multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and a method capable of realizing synchronous printing. Four material troughs are dispersedly arranged on the periphery of the rotating disc. The four working tables are dispersedly arranged around the rotating upright post. The invention is provided with 4 fixed light sources corresponding to 4 fixed printing grooves and 4 printing worktable mechanisms which can be rotationally switched, thereby realizing multi-material printing, enhancing the mechanical properties and the like of printed products and greatly improving the printing efficiency.
Description
Technical Field
The invention belongs to the technical field of 3D micro-nano processing, and particularly relates to a multi-axis multi-material multi-light-source photocuring 3D rapid printing device and method capable of realizing synchronous printing.
Background
With the rapid development of 3D printing and micro-nano technology, in order to meet the requirements of different fields and industries, researchers at home and abroad have developed various micro-nano scale 3D printing processes and printing materials in recent years, and the printing materials are applied to various fields and industries. The 3D printing (RP) technology is an additive manufacturing technology based on a discrete accumulation thought, and is a material accumulation manufacturing method from bottom to top, wherein materials are connected and accumulated layer by layer according to a three-dimensional digital model of a part through a computer technology, so that a solid part is manufactured.
The technology uses photosensitive resin liquid as a raw material, and the photosensitive property of the resin enables the material to be subjected to polymerization reaction and cured after being irradiated by light (mostly ultraviolet wave bands) with special wave bands.
At present, the photocuring 3D micro-nano printing at home and abroad basically adopts an axial movement and layer-by-layer exposure printing, and for the gradient error defect existing in inclined plane printing, the photocuring 3D printing device disclosed by the invention can better solve the gradient problem existing in printing by adopting multi-axis linkage, can be better matched with a mask for use, and improves the printing size precision.
The present major light-cured 3D printing apparatus adopts a light-cured Digital Micromirror Device (DMD) chip, the technical advantage is that the change of the printed pattern can be simply realized by modifying the parameters, the disadvantage is that the manufacturing cost is high, the resolution ratio is low, the pixel of the present technique can only reach um level (about 5.4 um), so that the printing precision is low, the resolution ratio can be further improved by the zoom lens, but the printing area is reduced, the technical scheme of the present invention is that: the mask is adopted for imaging according to the specific product requirements, the technology has low manufacturing cost, and the conventional mask is high in accuracy (about 1 um), so that large-area scanning and printing can be realized while the accuracy is ensured.
Most of the current multi-light curing 3D printing apparatuses are only used for single liquid photosensitive resin molding, such as single photosensitive resin material adopted in patent nos. CN201811544607.0 and CN 201610945088.3; the patent 201610321716.0 of the invention divides a transparent trough into two parts, realizes the compound molding of double-material liquid photosensitive resin and embodies the advantages of photocuring 3D printing in the aspect of material combination design, but the single light source exposure adopted by the invention does not realize that different materials correspond to different initiation factors, namely light waves, so as to achieve the optimal exposure effect and improve the printing speed and quality; the invention is provided with 4 fixed light source loading mechanisms corresponding to 4 fixed printing grooves and 4 printing worktable mechanisms which can be rotationally switched, thereby realizing multi-material printing and enhancing the mechanical properties and the like of printed products. And the device can print 4 products synchronously, has improved printing efficiency greatly.
Disclosure of Invention
The invention aims to provide 3D micro-nano processing equipment and a method which are stable and flexible in structure and suitable for a space structure.
The technical scheme adopted by the invention is as follows: the utility model provides a can realize quick printing device of multi-axis multi-material multi-light source photocuring 3D of synchronous printing, including axle bed (1), Z axle guide rail (2), Z axle linear electric motor (3), cantilever (4), workstation (5), rotary disk (7), silo (9), silo support (8), rotatory stand (6), B axle servo motor (22), B shaft coupling (21), B axle support (13), lens (25), A axle servo motor (12), A shaft coupling (11), A axle support (14), Y axle linear electric motor (15), Y axle guide rail (17), revolving stage (16), revolving stage shaft coupling (23), rotatory servo motor of second (18) and fuselage base (19).
Four shaft seats (1) distributed along the circumferential direction of the rotating upright post (6) are fastened by screws, and a Z-axis guide rail (2) on each shaft seat (1) is parallel to the vertical direction of the rotating upright post (6), is superposed and is fastened and connected by screws; a Z-axis linear motor (3) is fixed on each shaft seat (1), and a Z-axis linear motor primary (26) is in clearance fit with a Z-axis guide rail for guiding; the length direction of the cantilever (4) is vertical to the moving direction of the Z-axis linear motor (3), and one end of the cantilever (4) is superposed with the Z-axis linear motor primarily and is fastened and connected through a screw; the cantilever (4) is fastened and connected with the workbench (5) through screws, the trough groove support (8) is perpendicular to the rotating upright post (6) and fastened and connected through screws, the trough (9) is in clearance fit with the trough groove support (8) and can be taken out, and the workbench (5) can move on the Z axis by controlling the working state of the Z axis linear motor (3); a rotating disc (7) is arranged between the rotating upright post (6) and the upright post (10). The number of the material grooves (9) is four, and the four material grooves (9) are dispersedly arranged on the periphery of the rotating disc (7). The four work tables (5) are dispersedly arranged around the rotating upright post (6).
The center hole of the rotating disc (7) and the output shaft of the first rotary servo motor (29) are on the same straight line, and the body of the servo motor (29) is embedded into the inner groove of the rotating disc (7) to fix the rotating disc (7); a motor shaft of a first rotary servo motor (29) is connected with the upright post (10) and is tightly connected and driven by a rotary table coupling (23); the first rotary servo motor (29) and the upright post (10) are fixedly connected at a reserved position through screws, the four work tables (5) rotate on the horizontal plane by controlling the working state of the first rotary servo motor (29), the work tables rotate to the upper part of the first trough (9), and the limiting shaft of the push-pull electromagnet (28) enters the limiting hole of the rotating disc (7);
the first material tank (9) is filled with liquid photosensitive resin A, and the optimal wavelength of the first optical machine (25) below is adjusted according to the liquid photosensitive resin A; the second trough (9) is filled with liquid photosensitive resin B, and the optimal wavelength of a second optical machine (25) below is adjusted according to the liquid photosensitive resin B; the third trough (9) is filled with liquid photosensitive resin C, and the optimal wavelength of a third optical machine (25) below is adjusted according to the liquid photosensitive resin C; the fourth trough (9) is filled with liquid photosensitive resin D, and the optimal wavelength of the fourth optical machine (25) below is adjusted according to the liquid photosensitive resin D; four work tables (5) driven by a Z-axis linear motor of the 3D printer respectively enter each material groove (9) with transparent bottom ends until the bottom surface of each work table and the bottom surface of each material groove keep a vertical gap of 25-100 mu m (determined by the thickness of a slice layer during printing), and projection light of the projector is contacted with liquid photosensitive resin after penetrating through the bottom of each transparent material groove. At this time, the liquid photosensitive resin in contact with light is instantaneously polymerized and cured, and the liquid photosensitive resin not in contact with light is still kept in a liquid state, so that one-layer molding of the liquid photosensitive resin is realized. Then a Z-axis linear motor (3) drives the workbench to move upwards by 25-100 mu m (determined by the thickness of the slice layer during printing) to form the next layer, or the Z-axis linear motor (3) drives the workbench to move upwards above the material groove opening, a first rotary servo motor (29) works to realize that each workbench (5) rotates 90 degrees on the horizontal plane, at the moment, a limit shaft of a push-pull electromagnet (28) enters a limit hole of a rotating disc (7) to limit, the workbench (5) driven by the Z-axis linear motor of the 3D printer respectively enters a second material groove (9) with a transparent bottom end, a third material groove (9), a fourth material groove (9) and the first material groove (9) until the bottom surface and the groove bottom surface keep a vertical gap of 25-100 mu m (determined by the thickness of the slice layer during printing), and the projection light of the projector contacts with the liquid photosensitive resin after penetrating through the bottom of the transparent material groove, the light curing 3D printing multi-material forming is realized by alternately repeating the steps, and the material is ensured to correspond to the light wave with the optimal specific wavelength and energy.
The rotating shafts of the four optical machines (25) are in clearance fit with the shaft holes of the B-shaft bracket (13), the shaft of the B-shaft servo motor (22) and the rotating shaft of the lens are on the same circumference and are fixedly connected and transmitted by a B-shaft coupling (21), the B-shaft servo motor and the B-shaft bracket are fixedly connected by bolts, and the rotation of a light source emitted by the lens on the B shaft is realized by controlling the working state of the B-shaft servo motor (22);
the rotating shaft of the B-shaft bracket (13) is in clearance fit with the shaft hole of the A-shaft bracket (14), the shaft of the A-shaft servo motor (12) and the rotating shaft of the B-shaft bracket (13) are on the same axis and are in fastening connection transmission by the A-shaft coupling (11), the A-shaft servo motor and the A-shaft bracket are in fastening connection by bolts, and the rotation of the lens on the A-shaft is realized by controlling the working state of the A-shaft servo motor (12);
the A-axis support (14) is fixedly connected with a primary shaft of a Y-axis linear motor (15) through screws, two ends of a secondary shaft of the Y-axis linear motor are fixed on a shaft seat, the axis of the secondary shaft is superposed with the symmetry line of a rotating table, the shaft seat is fixed on the rotating table (16) through screws, Y-axis guide rails (17) are symmetrically arranged on two sides of the axis of the rotating table and are fixedly connected through screws, and the movement of a lens on the Y axis is realized by controlling the working state of the Y-axis linear motor (15);
the shaft of the rotating platform (16) and the shaft of the rotary servo motor are on the same straight line and are in fastening connection transmission by a rotating shaft coupler, a second rotary servo motor (18) and a machine body base (19) are in fastening connection at a reserved position by screws, and the rotation of the lens on a horizontal plane is realized by controlling the working state of the second rotary servo motor (18);
the linear motor has high transmission precision and can achieve micron-scale control; the solution tank is made of transparent resin material; the shaft guide rail is of a T-shaped structure; the servo motor only rotates within 0 to 360 degrees; the structure of the linear motor is shown in figure 4;
the device is formed by sequentially connecting a shaft seat, a Z-axis guide rail, a Z-axis linear motor, a cantilever, a workbench, a solution tank support, an upright post, a rotary servo motor, a B-axis coupler, a B-axis support, a lens, an A-axis servo motor, an A-axis coupler, an A-axis support, a Y-axis servo motor, a Y-axis guide rail, a rotary table, a rotary shaft coupler, a rotary servo motor and a machine body base from top to bottom into a whole.
Compare current photocuring 3D printing device, the main technical advantage of this device has following several:
1. because the optical machine has a plurality of degrees of freedom and can realize the printing of the inclined body with higher precision,
2. according to the shutdown composition flow of the invention, aiming at specific printing products, the imaging adopts a mask plate to replace a Digital Micromirror Device (DMD), and the cost is reduced, the printing precision is improved and large-area scanning can be realized by driving the rotating motion of the optical machine
3. The invention is provided with 4 fixed light sources corresponding to 4 fixed printing grooves and 4 printing worktable mechanisms which can be rotationally switched, and can realize multi-material printing so as to enhance the mechanical properties and the like of printed products. And 4 products can be printed synchronously, thereby greatly improving the printing efficiency
Drawings
FIG. 1 is a block diagram of the apparatus of the present invention.
Fig. 2 is a front view of the device of the present invention.
Fig. 3 is a partial assembly view of the device of the present invention.
Fig. 4 is a structural view of the linear motor.
FIG. 5 is a flow chart of the process of the present invention.
Detailed Description
The invention is further described with reference to the above figures.
The utility model provides a can realize quick printing device of multi-axis multi-material multi-light source photocuring 3D of synchronous printing, including axle bed (1), Z axle guide rail (2), Z axle linear electric motor (3), cantilever (4), workstation (5), rotary disk (7), silo (9), silo support (8), rotatory stand (6), B axle servo motor (22), B shaft coupling (21), B axle support (13), lens (25), A axle servo motor (12), A shaft coupling (11), A axle support (14), Y axle linear electric motor (15), Y axle guide rail (17), revolving stage (16), revolving stage shaft coupling (23), rotatory servo motor of second (18) and fuselage base (19).
The shaft seat (1) is tightly connected with the rotating upright post (6) through screws, and the Z-axis guide rail (2) is parallel to and overlapped with the vertical direction of the rotating upright post (6) and is tightly connected with the rotating upright post through screws; two ends of a Z-axis linear motor (3) are fixed on the shaft seat (1), and a Z-axis linear motor primary (26) is in clearance fit with a Z-axis guide rail for guiding; the length direction of the cantilever (4) is vertical to the moving direction of the Z-axis linear motor (3), and one end of the cantilever (4) is superposed with the Z-axis linear motor primarily and is fastened and connected through a screw; the cantilever (4) is fixedly connected with the workbench (5) through screws, the solution tank support (8) is perpendicular to the rotary upright post (6) and is fixedly connected with the screws, the trough (9) is in clearance fit with the trough tank support (8) and can be taken out, and the workbench (5) can move on the Z axis by controlling the working state of the Z axis linear motor (3);
the center hole (7) of the rotating disc (7) and the output shaft of the first rotary servo motor (29) are on the same straight line, and the body of the servo motor (29) is embedded into the inner groove (7) of the rotating disc (7) to fix the rotating disc (7); a motor shaft of a first rotary servo motor (29) is connected with the upright post (10) and is tightly connected and driven by a rotary table coupling (23); the first rotary servo motor (29) and the upright post (10) are fixedly connected at a reserved position through screws, the four work tables (5) rotate on the horizontal plane by controlling the working state of the first rotary servo motor (29), the work tables rotate to the position above the material groove (9), and the limiting shaft of the push-pull electromagnet (28) enters the limiting hole of the rotating disc (7);
the first material tank (9) is filled with liquid photosensitive resin A, and the optimal wavelength of the first optical machine (25) below is adjusted according to the liquid photosensitive resin A; the second trough (9) is filled with liquid photosensitive resin B, and the optimal wavelength of a second optical machine (25) below is adjusted according to the liquid photosensitive resin B; the third trough (9) is filled with liquid photosensitive resin C, and the optimal wavelength of a third optical machine (25) below is adjusted according to the liquid photosensitive resin C; the fourth trough (9) is filled with liquid photosensitive resin D, and the optimal wavelength of the fourth optical machine (25) below is adjusted according to the liquid photosensitive resin D; four work tables (5) driven by a Z-axis linear motor of the 3D printer respectively enter each material groove (9) with transparent bottom ends until the bottom surface of each work table and the bottom surface of each material groove keep a vertical gap of 25-100 mu m (determined by the thickness of a slice layer during printing), and projection light of the projector is contacted with liquid photosensitive resin after penetrating through the bottom of each transparent material groove. At this time, the liquid photosensitive resin in contact with light is instantaneously polymerized and cured, and the liquid photosensitive resin not in contact with light is still kept in a liquid state, so that one-layer molding of the liquid photosensitive resin is realized. Then a Z-axis linear motor (3) drives the workbench to move upwards by 25-100 mu m (determined by the thickness of the slice layer during printing) to form the next layer, or the Z-axis linear motor (3) drives the workbench to move upwards above the material groove opening, a first rotary servo motor (29) works to realize that each workbench (5) rotates 90 degrees on the horizontal plane, at the moment, a limit shaft of a push-pull electromagnet (28) enters a limit hole of a rotating disc (7) to limit, the workbench (5) driven by the Z-axis linear motor of the 3D printer respectively enters a second material groove (9) with a transparent bottom end, a third material groove (9), a fourth material groove (9) and the first material groove (9) until the bottom surface and the groove bottom surface keep a vertical gap of 25-100 mu m (determined by the thickness of the slice layer during printing), and the projection light of the projector contacts with the liquid photosensitive resin after penetrating through the bottom of the transparent material groove, the light curing 3D printing multi-material forming can be realized by alternately repeating the steps, and the material is ensured to correspond to the light wave with the optimal specific wavelength and energy.
The rotating shafts of the four optical machines (25) are in clearance fit with the shaft holes of the B-shaft bracket (13), the shaft of the B-shaft servo motor (22) and the rotating shaft of the lens are on the same circumference and are fixedly connected and transmitted by a B-shaft coupling (21), the B-shaft servo motor and the B-shaft bracket are fixedly connected by bolts, and the rotation of a light source emitted by the lens on the B shaft is realized by controlling the working state of the B-shaft servo motor (22);
the rotating shaft of the B-shaft bracket (13) is in clearance fit with the shaft hole of the A-shaft bracket (14), the shaft of the A-shaft servo motor (12) and the rotating shaft of the B-shaft bracket (13) are on the same axis and are in fastening connection transmission by the A-shaft coupling (11), the A-shaft servo motor and the A-shaft bracket are in fastening connection by bolts, and the rotation of the lens on the A-shaft is realized by controlling the working state of the A-shaft servo motor (12);
the A-axis support (14) is fixedly connected with a primary shaft of a Y-axis linear motor (15) through screws, two ends of a secondary shaft of the Y-axis linear motor are fixed on a shaft seat, the axis of the secondary shaft is superposed with the symmetry line of a rotating table, the shaft seat is fixed on the rotating table (16) through screws, Y-axis guide rails (17) are symmetrically arranged on two sides of the axis of the rotating table and are fixedly connected through screws, and the movement of a lens on the Y axis is realized by controlling the working state of the Y-axis linear motor (15);
the shaft of the rotating platform (16) and the shaft of the rotary servo motor are on the same straight line and are in fastening connection transmission by a rotating shaft coupler, a second rotary servo motor (18) and a machine body base (19) are in fastening connection at a reserved position by screws, and the rotation of the lens on a horizontal plane is realized by controlling the working state of the second rotary servo motor (18);
the linear motor has high transmission precision and can achieve micron-scale control; the solution tank is made of transparent resin material; the shaft guide rail is of a T-shaped structure; the servo motor only rotates within 0 to 360 degrees; the structure of the linear motor is shown in figure 4;
the device is formed by sequentially connecting a shaft seat, a Z-axis guide rail, a Z-axis linear motor, a cantilever, a workbench, a solution tank support, an upright post, a rotary servo motor, a B-axis coupler, a B-axis support, a lens, an A-axis servo motor, an A-axis coupler, an A-axis support, a Y-axis servo motor, a Y-axis guide rail, a rotary table, a rotary shaft coupler, a rotary servo motor and a machine body base from top to bottom into a whole.
The optical machine (25) of the device is composed and a flow chart, as shown in fig. 5, the main functions of each part are as follows:
firstly, selecting a proper liquid material according to the performance of a designed part, and pouring the selected resin liquid material into a solution tank; the designed parameters and the sliced three-dimensional model are guided into a machine, the model required by the machine is selected, the machine is started by pressing, the Y axis, the Z axis, the A axis and the B axis of the machine return to the origin of reference coordinates, a processor in the machine processes according to the set model, light is emitted by a lens, the illuminated material is rapidly solidified, the material in the non-illuminated place is still in the original state, the machine can move the part in the Y axis and the Z axis and the light emitted by the lens rotates around the A axis and the B axis according to the requirement of the three-dimensional model processing of a product, so that multi-axis linkage is realized, the four work tables and the four liquid tanks can select proper liquid materials according to the performance of the part, and the work tables can enter different liquid tanks through rotating of rotating stand columns. When the next layer is processed, the workbench automatically ascends one layer according to the parameters to process the next layer, the machine stops working after the last layer is processed, the part is finished at the moment, the part stops on the liquid material, the worker can take down the part at the moment, and when the next part is printed, the worker only needs to press the start key.
Note that: the origin of the reference coordinate of the machine is Z, Y, A, B axes, so that the lens is opposite to the center right below the solution tank and the workbench is coincided with the bottom of the solution tank.
Claims (4)
1. The utility model provides a can realize quick printing device of many materials of multiaxis polycondensation light source photocuring 3D that prints in step which characterized in that: four shaft seats (1) distributed along the circumferential direction of the rotating upright post (6) are fastened by screws, and a Z-axis guide rail (2) on each shaft seat (1) is parallel to the vertical direction of the rotating upright post (6), is superposed and is fastened and connected by screws; a Z-axis linear motor (3) is fixed on each shaft seat (1), and a Z-axis linear motor primary (26) is in clearance fit with a Z-axis guide rail for guiding; the length direction of the cantilever (4) is vertical to the moving direction of the Z-axis linear motor (3), and one end of the cantilever (4) is superposed with the Z-axis linear motor primarily and is fastened and connected through a screw; the cantilever (4) is fixedly connected with the workbench (5) through screws, the trough bracket (8) is vertical to the rotating upright post (6) and is fixedly connected with the screws, the trough (9) is in clearance fit with the trough bracket (8), and the workbench (5) can move on the Z axis by controlling the working state of the Z axis linear motor (3); a rotating disc (7) is arranged between the rotating upright post (6) and the upright post (10); the number of the material troughs (9) is four, and the four material troughs (9) are dispersedly arranged on the periphery of the rotating disc (7); the four working tables (5) are dispersedly arranged around the rotating upright post (6);
the center hole of the rotating disc (7) and the output shaft of the first rotating servo motor (29) are on the same straight line, and the body of the first rotating servo motor (29) is embedded into the inner groove of the rotating disc (7) to fix the rotating disc (7); a motor shaft of a first rotary servo motor (29) is connected with the upright post (10) and is tightly connected and driven by a rotary table coupling (23); the first rotary servo motor (29) and the upright post (10) are fixedly connected at a reserved position through screws, the four work tables (5) rotate on the horizontal plane by controlling the working state of the first rotary servo motor (29), the work tables rotate to the upper part of the first trough (9), and the limiting shaft of the push-pull electromagnet (28) enters the limiting hole of the rotating disc (7); the rotating shafts of the four optical machines (25) are in clearance fit with the shaft holes of the B-shaft bracket (13), the shaft of the B-shaft servo motor (22) and the rotating shaft of the lens are on the same circumference and are fixedly connected and transmitted by a B-shaft coupling (21), the B-shaft servo motor and the B-shaft bracket are fixedly connected by bolts, and the rotation of a light source emitted by the lens on the B shaft is realized by controlling the working state of the B-shaft servo motor (22); the rotating shaft of the B-shaft bracket (13) is in clearance fit with the shaft hole of the A-shaft bracket (14), the shaft of the A-shaft servo motor (12) and the rotating shaft of the B-shaft bracket (13) are on the same axis and are in fastening connection transmission by the A-shaft coupling (11), the A-shaft servo motor and the A-shaft bracket are in fastening connection by bolts, and the rotation of the lens on the A-shaft is realized by controlling the working state of the A-shaft servo motor (12);
the A-axis support (14) is tightly connected with a primary axis of a Y-axis linear motor (15) through screws, two secondary ends of the Y-axis linear motor are fixed on an axis seat, the axis of the secondary axis of the Y-axis linear motor is overlapped with the symmetry line of the rotating table, the axis seat is fixed on the rotating table (16) through screws, Y-axis guide rails (17) are symmetrically arranged on two sides of the axis of the rotating table and are tightly connected through screws, and the movement of the lens on the Y axis is realized by controlling the working state of the Y-axis linear motor (15).
2. The multi-axis multi-material multi-light-source photocuring 3D rapid printing device capable of realizing synchronous printing according to claim 1, wherein: the first material tank (9) is filled with liquid photosensitive resin A, and the wavelength of a first optical machine (25) below is adjusted according to the liquid photosensitive resin A; the second trough (9) is filled with liquid photosensitive resin B, and the wavelength of a second optical machine (25) below is adjusted according to the liquid photosensitive resin B; the third trough (9) is filled with liquid photosensitive resin C, and the wavelength of a third optical machine (25) below is adjusted according to the liquid photosensitive resin C; the fourth trough (9) is filled with liquid photosensitive resin D, and the wavelength of the fourth optical machine (25) below is adjusted according to the liquid photosensitive resin D; four work tables (5) driven by a Z-axis linear motor of the 3D printer respectively enter each material groove (9) with transparent bottom ends until the bottom surface of each work table keeps a vertical gap of 25-100 mu m with the bottom surface of the material groove, and projection light of a projector is contacted with liquid photosensitive resin after penetrating through the bottom of the transparent material groove; at the moment, the liquid photosensitive resin in optical contact is instantly polymerized and cured, and the liquid photosensitive resin not in optical contact is still kept in a liquid state, so that one layer of the liquid photosensitive resin is formed; then a Z-axis linear motor (3) drives the worktable to move upwards for 25-100 mu m to form the next layer, or Z axle linear electric motor (3) drive workstation rebound to silo mouth top, the work of first rotatory servo motor (29) realizes that each workstation (5) is rotatory 90 on the horizontal plane, the spacing axle of push-pull electro-magnet (28) gets into the spacing hole of rotary disk (7) spacing this moment, 3D printer Z axle linear electric motor driven workstation (5) get into bottom transparent second silo (9) respectively, third silo (9), fourth silo (9), it keeps 25~100 mu m's vertical gap to its bottom surface and tank bottom surface in first silo (9), the projection light of projecting apparatus contacts with liquid photosensitive resin after seeing through transparent silo bottom, it goes on repeatedly in turn, then realize photocuring 3D and print many material shaping.
3. The multi-axis multi-material multi-light-source photocuring 3D rapid printing device capable of realizing synchronous printing according to claim 1, wherein: the shaft of the rotating platform (16) and the shaft of the second rotary servo motor are on the same straight line and are in fastening connection transmission through a rotating shaft coupler, the second rotary servo motor (18) and the machine body base (19) are in fastening connection at a reserved position through screws, and the rotation of the lens on the horizontal plane is realized by controlling the working state of the second rotary servo motor (18).
4. The multi-axis multi-material multi-light-source photocuring 3D rapid printing method capable of realizing synchronous printing by using the device as claimed in claim 1 is characterized in that: firstly, selecting a proper liquid material according to the performance of a designed part, and pouring the selected resin liquid material into a solution tank; the method comprises the steps that a designed parameter and a sliced three-dimensional model are guided into a device, a needed model is selected and started by pressing, the Y axis, the Z axis, the A axis and the B axis of the device return to the origin of a reference coordinate, a processor in the device processes according to the set model, light is emitted by a lens, the illuminated material is rapidly solidified, the non-illuminated material is still in the original state, and according to the requirement of product three-dimensional model processing, the movement of parts on the Y axis and the Z axis and the rotation of the light emitted by the lens around the A axis and the B axis are realized, so that multi-axis linkage is realized, and proper liquid materials are selected by four workbenches and four material troughs according to the performance of the parts, and the workbenches can enter different material troughs through rotating a rotating upright post; when the machining of one layer is finished, the workbench automatically ascends one layer according to the parameters to machine the next layer, and when the machining of the last layer is finished, the device stops working, the part is finished, the part stops on the liquid material, and the part is taken down; when printing the next part, only the start key needs to be pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131781.3A CN111421805B (en) | 2020-02-29 | 2020-02-29 | Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131781.3A CN111421805B (en) | 2020-02-29 | 2020-02-29 | Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111421805A CN111421805A (en) | 2020-07-17 |
| CN111421805B true CN111421805B (en) | 2022-02-01 |
Family
ID=71547285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010131781.3A Active CN111421805B (en) | 2020-02-29 | 2020-02-29 | Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111421805B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681900B (en) * | 2021-08-31 | 2023-06-16 | 安徽创融增材制造技术有限公司 | Personalized automobile grille customization system and device based on 3D printing technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7959847B2 (en) * | 2004-07-30 | 2011-06-14 | The Board Of Regents Of The University Of Texas System | Methods for multi-material stereolithography |
| CN204622619U (en) * | 2015-03-23 | 2015-09-09 | 大族激光科技产业集团股份有限公司 | A kind of four-axle linked platform |
| CN206273586U (en) * | 2016-12-16 | 2017-06-23 | 深圳晗竣雅科技有限公司 | A kind of polychrome photocuring 3D printer |
| CN107856304A (en) * | 2017-12-14 | 2018-03-30 | 广州国光仪器有限公司 | A kind of 3D printing device |
| CN109795114A (en) * | 2019-03-01 | 2019-05-24 | 浙江大学 | Rotary more material photocuring 3D printing equipment |
| CN209869402U (en) * | 2019-04-23 | 2019-12-31 | 厦门光服科技有限公司 | 3D printing apparatus based on photocuring shaping |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005065430A2 (en) * | 2003-12-31 | 2005-07-21 | Microfabrica Inc. | Electrochemical fabrication methods for producing multilayer structures including the use of diamond machining in the planarization of deposits of material |
-
2020
- 2020-02-29 CN CN202010131781.3A patent/CN111421805B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7959847B2 (en) * | 2004-07-30 | 2011-06-14 | The Board Of Regents Of The University Of Texas System | Methods for multi-material stereolithography |
| CN204622619U (en) * | 2015-03-23 | 2015-09-09 | 大族激光科技产业集团股份有限公司 | A kind of four-axle linked platform |
| CN206273586U (en) * | 2016-12-16 | 2017-06-23 | 深圳晗竣雅科技有限公司 | A kind of polychrome photocuring 3D printer |
| CN107856304A (en) * | 2017-12-14 | 2018-03-30 | 广州国光仪器有限公司 | A kind of 3D printing device |
| CN109795114A (en) * | 2019-03-01 | 2019-05-24 | 浙江大学 | Rotary more material photocuring 3D printing equipment |
| CN209869402U (en) * | 2019-04-23 | 2019-12-31 | 厦门光服科技有限公司 | 3D printing apparatus based on photocuring shaping |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111421805A (en) | 2020-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111531876B (en) | Multi-axis photocuring 3D printing device and method capable of achieving mixed material use | |
| CN108312518B (en) | Internal three-dimensional direct photo-curing forming 3D printing equipment and control method thereof | |
| CN101293419B (en) | Digital full-automatic register system for glass screen painting | |
| CN112170838B (en) | Material increasing and decreasing manufacturing device and material increasing and decreasing composite manufacturing method thereof | |
| CN1701944A (en) | Compound rapid forming method and device by integration of light solidification and fusion sediment | |
| CN105081924B (en) | A kind of optical zoom CNC grinding machines and control system and control method | |
| CN210548098U (en) | Powder spreader mechanism and metal additive manufacturing device capable of detecting quality on line | |
| CN111421805B (en) | Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing | |
| CN111421815B (en) | DLP 3D bioprinter | |
| CN1769032A (en) | Quick forming method by adoption of projection technique | |
| CN111572020A (en) | DLP (digital light processing) type 3D printer and batch workpiece printing method | |
| CN108248020A (en) | A kind of horizontal DLP shadow casting techniques face exposure molding machine and method | |
| CN111531875B (en) | High-precision large-area rapid 3D printing device and method capable of adjusting light source wavelength | |
| CN201227883Y (en) | Digital full-automatic register system of glass screen printing | |
| CN1060698C (en) | Multifunctional equipment capable of fast completing various model making technique | |
| CN206011737U (en) | A kind of laser 3D printing machine based on LDI technology | |
| CN111421816B (en) | Multi-axis photocuring 3D micro-nano processing equipment and method for matching resin material with corresponding light source | |
| CN111421813B (en) | Multi-material photocuring 3D printing device and method | |
| CN207128271U (en) | A kind of photocuring 3D printer based on FDM printing techniques | |
| CN111421817B (en) | Multi-axis photocuring 3D micro-nano machining equipment and method | |
| CN111497241B (en) | DLP type 3D printing system | |
| CN108501362A (en) | A kind of mechanism system and method for face exposure rapid shaping | |
| CN215473101U (en) | Formula of sinking DLP type 3D printer | |
| CN210879960U (en) | Numerical control rapid prototyping composite process equipment for non-metallic materials | |
| CN2555148Y (en) | Electrostatic adsorbing fast make-up machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |