CN113927900A - Photocuring 3D printer of prevention of liquid leakage - Google Patents
Photocuring 3D printer of prevention of liquid leakage Download PDFInfo
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- CN113927900A CN113927900A CN202110884518.6A CN202110884518A CN113927900A CN 113927900 A CN113927900 A CN 113927900A CN 202110884518 A CN202110884518 A CN 202110884518A CN 113927900 A CN113927900 A CN 113927900A
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- groove
- printer
- extrusion
- storage hole
- photocuring
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/245—Platforms or substrates
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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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/255—Enclosures for the building material, e.g. powder containers
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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
- B29C64/30—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The utility model relates to a liquid leakage prevention photocuring 3D printer which comprises a printer body, a printer frame, a mounting groove, a display screen, an extrusion groove, a compression part and a glue storage hole, wherein the printer frame is mounted at the top of the printer body, the mounting groove is formed in the top of the printer body, the display screen is mounted in the mounting groove, the extrusion groove is formed in the inner side wall of the mounting groove, the compression part is arranged at the bottom of the extrusion groove, and the glue storage hole is formed in the top of the extrusion groove. According to the utility model, the whole mounting groove is filled by the extrusion plate, the extrusion plate can move left and right in the extrusion groove, when the extrusion plate moves towards the inside of the groove, the extrusion plate can generate stronger external reverse force, so that the extrusion plate extrudes the side edge of the display screen, the display screen can be fixed and limited, when the extrusion plate moves towards the inside, the piston rod extrudes the colloid in the colloid storage hole to be discharged from the other end of the colloid storage hole, and the colloid can be more fully adhered to the mounting groove through continuous discharge of the colloid.
Description
Technical Field
The utility model relates to the field of 3D printing, in particular to a liquid leakage prevention photocuring 3D printer.
Background
In chinese patent application 201922061799.6, a photocuring 3D printer is disclosed, wherein the photocuring 3D printer includes a base, a lifting mechanism, a tray and a locking member, the tray is mounted on a bottom plate, the tray has a first side wall facing the lifting mechanism and a second side wall opposite to the first side wall, the first side wall and the second side wall both partially extend downward and protrude from a clamping member of a bottom surface of the tray, the clamping member includes a clamping portion protruding toward an outer side of the tray, one of the clamping members extends into a clamping hole, and the clamping portion of the clamping member is fastened to a lower surface of the bottom plate; the other clamping piece extends into the bayonet; the retaining member includes a separation blade slidably mounted on the base, and a handle connected to the separation blade for driving the separation blade to slide in the bayonet and lock-joint the clamping portion of another clamping member. The technical scheme of the utility model solves the problem of inconvenient disassembly and assembly of the material tray.
This printer has the following disadvantages:
when printing the printed matter, the inside photocuring of reservoir prints liquid and flows out through the reservoir top easily, and the liquid that flows out passes through the machine inside that the mounting groove of display screen is deep deeply easily for influence the normal practicality of machine, cause the damage to the machine.
Disclosure of Invention
The utility model aims to provide a liquid leakage prevention photocuring 3D printer.
In order to solve the technical problem, the utility model provides a liquid leakage prevention photocuring 3D printer which comprises a printer body, a printer frame, a mounting groove, a display screen, an extrusion groove, a compression part and a glue storage hole, wherein the printer frame is mounted at the top of the printer body; the extrusion groove is internally provided with an extrusion plate, one side of the extrusion plate is contacted with the compression part, and the extrusion plate can move left and right in the extrusion groove; one side of the compression part is hinged with a piston rod, the piston rod is installed in the glue storage hole, and when the extrusion plate extrudes the compression part along the extrusion groove, the piston rod extrudes the glue in the glue storage hole and is discharged from the other end of the glue storage hole.
Furthermore, the compression part comprises a telescopic spring fixed at the bottom of the extrusion groove and a linkage plate fixed at one telescopic side, and a folding angle is arranged in the middle of the linkage plate; one end of the piston rod is hinged to one side of the linkage plate, the piston rod is in a cylindrical shape, a piston head is fixed to one side of the piston rod and is arranged in a rubber mode, one end of the rubber storage hole is sealed by the piston head, and when the extrusion plate extrudes the linkage plate, the rubber is discharged from the other end of the rubber storage hole, and the mounting groove and the display screen are sealed.
Further, store up the gluey hole and be a cylindrical cavity, the one end of storing up the gluey hole is provided with out gluey hole, and the internal diameter that goes out gluey hole is less than store up the internal diameter in gluey hole, it establishes to go out gluey hole store up the top of gluey hole one end.
Furthermore, the extrusion groove is provided with a vertical groove communicated with each other, and the telescopic spring is fixed on the inner bottom wall of the vertical groove; the whole extrusion groove is arranged in an inclined L shape.
Furthermore, a supporting frame is fixed on the inner side wall of the mounting groove and is arranged in a shape of a square, and the bottom of the display screen is placed at the top of the supporting frame.
Further, a round groove is formed at a corner of the mounting groove, wherein the round groove is suitable for taking out the display screen from the supporting frame.
Furthermore, the two sides of the mounting groove are provided with fixing pieces, and the fixing pieces are arranged on the two sides of the mounting groove in a mirror image mode.
Further, a resin tank is mounted at the top of the mounting groove, and fixing rings are fixed on two sides of the resin tank; the fixing ring is sleeved on the fixing piece, so that the resin groove is fixed to the top of the display screen.
Furthermore, a forming platform is fixed on the top of the printer frame.
The utility model has the advantages that the anti-leakage photocuring 3D printer fills the whole installation groove by the extrusion plate arranged in the extrusion groove, and the extrusion plate can move left and right in the extrusion groove, when the extrusion plate is at the initial position, one side of the extrusion plate in the extrusion groove is protruded out of the opening end of the extrusion groove, so that when the pressing plate moves towards the inner part of the groove, the pressing plate can generate stronger reverse force towards the outside, so that the pressing plate presses the side edge of the display screen, the display screen can be fixed and limited, when the extrusion plate moves inwards, the extrusion plate pushes the linkage plate on the compression part to rotate clockwise around the central point of the extrusion plate, the piston rod extrudes the colloid in the colloid storage hole to be discharged from the other end of the colloid storage hole, through the continuous discharge of colloid for the colloid can be more abundant with better adhesion between display screen and the mounting groove.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of a preferred embodiment of a liquid-tight, light-curing 3D printer of the present invention;
FIG. 2 is a perspective view of a preferred embodiment of the display screen and mounting slot of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a top view of a preferred embodiment of the mounting slot of the present invention;
FIG. 5 is a schematic side sectional view of a preferred embodiment of the extrusion slot of the present invention;
fig. 6 is a side sectional view of a preferred embodiment of the extrusion slot of the present invention.
In the figure:
1. a printer body; 11. a printer frame; 12. a resin tank; 13. a fixing ring; 14. a forming platform;
2. mounting grooves; 21. a support frame; 22. a circular groove; 23. a fixing member;
3. a display screen;
4. extruding a groove; 41. a pressing plate;
5. a compression section; 51. a piston rod; 52. a tension spring; 53. a linkage plate; 54. a piston head;
6. glue storage holes; 61. and (6) glue outlet.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-6, the liquid leakage prevention photocuring 3D printer of the present invention includes a printer body 1 and a printer frame 11 installed on the top of the printer body 1, the forming platform 14 can be supported and fixed by the printer frame, when printing is performed, the forming platform 14 moves to form a printed object on the bottom of the forming platform 14, and an installation groove 2 installed on the top of the printer body 1 and a display screen 3 installed inside the installation groove 2, the installation groove 2 is opened on the top of the printer body 1, the display screen 3 can be supported and installed by the installation groove 2, so that the display screen 3 is located at the same horizontal line position as the top of the printed basic body, the liquid leakage prevention photocuring 3D printer further includes a pressing groove 4 opened on the inner side wall of the installation groove 2 and a compression part 5 installed on the bottom of the pressing groove 4, and a glue storage hole 6 arranged at the top of the extrusion groove 4;
a pressing plate 41 is installed inside the pressing groove 4, one side of the pressing plate 41 is in contact with the compression part 5, and the pressing plate 41 can move left and right inside the pressing groove 4;
one side of the compression part 5 is hinged with a piston rod 51, the piston rod 51 is installed in the glue storage hole 6, wherein when the extrusion plate 41 extrudes the compression part 5 along the extrusion groove 4, the piston rod 51 extrudes the glue in the glue storage hole 6 and discharges from the other end thereof. The above components are described in detail below.
The top at printer body 1 is seted up to mounting groove 2, and the inside wall of mounting groove 2 is fixed with a braced frame 21 for mounting groove 2 sets up with the whole echelonment of braced frame 21, is braced frame 21 is for returning the shape setting.
Compression part 5
The compression part 5 is integrally positioned inside the extrusion groove 4, the extrusion groove 4 is integrally installed in a vertical groove inside the extrusion groove 4, the compression part 5 comprises a telescopic spring 52 fixed at the bottom of the extrusion groove 4 and a linkage plate 53 fixed at one telescopic side, and a folding angle is arranged in the middle of the linkage plate 53; one end of the piston rod 51 is hinged to one side of the linkage plate 53, the piston rod 51 is arranged in a cylindrical shape, a piston head 54 is fixed to one side of the piston rod 51, and the piston head 54 is arranged in a rubber shape.
Store up gluey hole 6 and wholly be located the top of extrusion groove 4, should store up gluey hole 6 and be a cylindrical cavity, should store up the one end of gluey hole 6 and be provided with out gluey hole 61 to and the internal diameter of storing up gluey hole 6 is less than store up the internal diameter of gluey hole 6, it sets up to go out gluey hole 61 store up the top of gluey hole 6 one end.
After the extrusion slot 4 is opened in the installation slot 2, the extrusion plate 41 is installed in the extrusion slot 4, the extrusion plate 41 fills the whole installation slot 2, and the extrusion plate 41 can move left and right in the extrusion slot 4, when the extrusion plate 41 is at the initial position, one side of the extrusion plate 41 in the extrusion slot 4 is protruded out of the opening end of the extrusion slot 4, so that when the extrusion plate 41 moves to the inside of the slot, the extrusion plate 41 can generate stronger reverse force to the outside.
Then, fixing pieces 23 are arranged on two sides of the mounting groove 2, the fixing pieces 23 are arranged on two sides of the mounting groove 2 in a mirror image mode, a resin groove 12 is arranged at the top of the mounting groove 2, and fixing rings 13 are fixed on two sides of the resin groove 12; the fixing ring 13 is sleeved on the fixing piece 23, so that the resin tank 12 is fixed on the top of the display screen 3, and the resin tank 12 is an indispensable part of the photocuring 3D printer as a main part for containing liquid resin of the photocuring 3D printer.
When one side of the extrusion plate 41 is contacted with the compression part 5, when the extrusion plate 41 moves inwards, the extrusion plate 41 and the linkage plate 53 of the compression part 5 are always in a contact state, at the moment, the extrusion plate 41 pushes the linkage plate 53 on the compression part 5 to rotate clockwise around the central point of the linkage plate, when the linkage plate 53 is formed by welding two groups of bent plates,
when the linkage plate 53 is in an initial state, the bottom of the linkage plate 53 is in contact with the bottom of the extrusion plate 41, and after the linkage plate 53 rotates to a maximum angle, the linkage plate 53 is directly abutted against the bending part of the extrusion groove 4, so that the linkage plate 53 and the extrusion plate 41 are more stably kept in an extrusion state, and more stable outward thrust is generated on the extrusion plate 41.
One side of linkage plate 53 is fixed with expanding spring 52, and expanding spring 52's the other end is fixed in the inside perpendicular inslot diapire of extrusion groove 4, through setting up expanding spring 52 for after extrusion plate 41 rotates around self central point at extrusion linkage plate 53, accessible expanding spring 52 makes linkage plate 53 reset, and promote the terminal surface of extrusion plate 41 outstanding with extrusion groove 4.
When the compression part 5 is connected with the glue storage hole 6, the top of one side of the linkage plate 53 is hinged with a piston rod 51, one end of the piston rod 51 is hinged to one side of the linkage plate 53, the piston rod 51 is in a cylindrical shape, a piston head 54 is fixed to one side of the piston rod 51, the piston head 54 is in a rubber shape, the piston rod 51 is inserted into the glue storage hole 6, the piston head 54 integrally fills one end of the glue storage hole 6, the glue storage hole 6 can be sealed, the piston can move left and right along the inner cavity of the glue storage hole 6, when the extrusion plate 41 extrudes the linkage plate 53 along the extrusion groove 4, the piston rod 51 extrudes glue in the glue storage hole 6 to be discharged from the other end of the glue storage hole 6, and the glue can be more fully adhered between the display screen 3 and the mounting groove 2 through continuous discharge of the glue, so that the sealing effect between the display screen 3 and the mounting groove 2 is better.
Store up the one end of gluing hole 6 simultaneously and be provided with out gluey hole 61, it is a round hole equally to go out gluey hole 61, and the internal diameter that goes out gluey hole 61 is less than the internal diameter that stores up gluey hole 6, it sets up at the top that stores up gluey hole 6 one end to go out gluey hole 61, set up out gluey hole 61 through the top that stores up gluey hole 6 one end, make the cavity inside that stores up gluey hole 6 have one store up gluey recess, when the piston does not promote inside colloid and discharges through going out gluey hole 61, inside colloid can not oneself discharge along going out gluey hole 61, make and store inside colloid
The working process of the liquid leakage prevention photocuring 3D printer comprises the following steps: through the stripper plate 41 of 4 internally mounted of extrusion groove, the stripper plate 41 is filled whole mounting groove 2, and the stripper plate 41 can move about in the inside of extrusion groove 4, when the stripper plate 41 is in initial position, one side of the stripper plate 41 of 4 insides of extrusion groove is outstanding in the open end of extrusion groove 4, make when the stripper plate 41 is moving to the inside of groove, the stripper plate 41 can produce stronger outside counter force, when this stripper plate 41 is moving to inside, the stripper plate 41 promotes linkage plate 53 on the compression portion 5 to carry out clockwise rotation around self central point this moment, the colloid is discharged from its other end in the glue storage hole 6 is extruded to piston rod 51 this moment, through the continuous discharge of colloid, make the colloid can be more abundant with the adhesion between display screen 3 and the mounting groove 2.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The photocuring 3D printer capable of preventing liquid leakage comprises a printer body (1), a printer frame (11) arranged at the top of the printer body (1), a mounting groove (2) arranged at the top of the printer body (1) and a display screen (3) arranged in the mounting groove (2), and is characterized in that the photocuring 3D printer capable of preventing liquid leakage further comprises an extrusion groove (4) formed in the inner side wall of the mounting groove (2), a compression part (5) arranged at the bottom of the extrusion groove (4), and a glue storage hole (6) formed at the top of the extrusion groove (4);
a squeezing plate (41) is arranged in the squeezing groove (4), one side of the squeezing plate (41) is in contact with the compression part (5), and the squeezing plate (41) can move left and right in the squeezing groove (4);
one side of the compression part (5) is hinged with a piston rod (51), the piston rod (51) is arranged in the glue storage hole (6), wherein
When the extrusion plate (41) extrudes the compression part (5) along the extrusion groove (4), the piston rod (51) extrudes the colloid in the colloid storage hole (6) and the colloid is discharged from the other end of the colloid storage hole.
2. The liquid-leakage-proof photocuring 3D printer of claim 1,
the compression part (5) comprises a telescopic spring (52) fixed at the bottom of the extrusion groove (4) and a linkage plate (53) fixed at one telescopic side, and a folding angle is arranged in the middle of the linkage plate (53);
one end of the piston rod (51) is hinged to one side of the linkage plate (53), the piston rod (51) is arranged in a cylindrical mode, a piston head (54) is fixed to one side of the piston rod (51), the piston head (54) is arranged in a rubber mode, one end of the rubber storage hole (6) is sealed by the piston head (54), and the rubber storage hole is formed in the rubber sealing mode, wherein the rubber storage hole is formed in the rubber sealing mode
When the extrusion plate (41) extrudes the linkage plate (53), the colloid is discharged from the other end of the colloid storage hole (6), and the installation groove (2) and the display screen (3) are sealed.
3. The liquid-leakage-proof photocuring 3D printer of claim 2,
the glue storage hole (6) is a cylindrical cavity, one end of the glue storage hole (6) is provided with a glue outlet hole (61), and
the inner diameter of the glue outlet hole (61) is smaller than that of the glue storage hole (6), and the glue outlet hole (61) is formed in the top of one end of the glue storage hole (6).
4. The liquid-leakage-proof photocuring 3D printer of claim 3,
the extrusion groove (4) is provided with a vertical groove communicated with each other, and the telescopic spring (52) is fixed on the inner bottom wall of the vertical groove;
the whole extrusion groove (4) is arranged in an inclined L shape.
5. The liquid-leakage-proof photocuring 3D printer of claim 4,
the inside wall of mounting groove (2) is fixed with a braced frame (21), braced frame (21) are the setting of returning the shape, wherein
The bottom of the display screen (3) is placed on the top of the support frame (21).
6. The liquid-leakage-proof photocuring 3D printer of claim 5,
a round groove (22) is arranged at the corner of the mounting groove (2), wherein
The circular groove (22) is adapted to remove the display screen (3) from the support frame (21).
7. The liquid-leakage-proof photocuring 3D printer of claim 6,
the mounting groove is characterized in that fixing pieces (23) are arranged on two sides of the mounting groove (2), and the fixing pieces (23) are arranged on two sides of the mounting groove (2) in a mirror image mode.
8. The liquid-leakage-preventing photocuring 3D printer of claim 7,
a resin groove (12) is installed at the top of the installation groove (2), and fixing rings (13) are fixed on two sides of the resin groove (12);
the fixing ring (13) is sleeved on the fixing piece (23) so that the resin groove (12) is fixed to the top of the display screen (3).
9. The liquid-leakage-proof photocuring 3D printer of claim 8,
and a forming platform (14) is fixed at the top of the printer frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110884518.6A CN113927900B (en) | 2021-08-03 | 2021-08-03 | Photocuring 3D printer of leak protection liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110884518.6A CN113927900B (en) | 2021-08-03 | 2021-08-03 | Photocuring 3D printer of leak protection liquid |
Publications (2)
| Publication Number | Publication Date |
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| CN113927900A true CN113927900A (en) | 2022-01-14 |
| CN113927900B CN113927900B (en) | 2023-10-13 |
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| CN202110884518.6A Active CN113927900B (en) | 2021-08-03 | 2021-08-03 | Photocuring 3D printer of leak protection liquid |
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Cited By (1)
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| CN114701163A (en) * | 2022-04-01 | 2022-07-05 | 深圳市智能派科技有限公司 | Photocuring 3D printer of prevention of liquid leakage |
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| Publication number | Publication date |
|---|---|
| CN113927900B (en) | 2023-10-13 |
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