CN220198007U - Ceramic photocuring 3D prints coating scraper device - Google Patents
Ceramic photocuring 3D prints coating scraper device Download PDFInfo
- Publication number
- CN220198007U CN220198007U CN202321572789.9U CN202321572789U CN220198007U CN 220198007 U CN220198007 U CN 220198007U CN 202321572789 U CN202321572789 U CN 202321572789U CN 220198007 U CN220198007 U CN 220198007U
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- Prior art keywords
- scraper
- main body
- cross beam
- curing
- ceramic
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- 239000000919 ceramic Substances 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 238000000576 coating method Methods 0.000 title claims abstract description 45
- 238000000016 photochemical curing Methods 0.000 title claims abstract description 18
- 238000010146 3D printing Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 10
- 238000010009 beating Methods 0.000 claims description 4
- 238000001723 curing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 33
- 238000007639 printing Methods 0.000 abstract description 8
- 230000007480 spreading Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The utility model discloses a ceramic photocuring 3D printing and coating scraper device, which comprises a fixed platform; the cross beam is arranged on the fixed platform in a sliding manner; the scraper main body is fixedly arranged on the cross beam, is of a hollow structure and is open at one end far away from the cross beam; the coating roller is positioned in the scraper main body, and two ends of the coating roller are respectively and rotatably connected with the inner side wall of the scraper main body; the liquid level observation window is arranged on the side wall of the scraper main body; the feeding amount of the ceramic slurry can be controlled by controlling the working time of the peristaltic pump; the uniform spreading in the printing plane can be performed by utilizing the movement of the scraper, and the coating roller assists the spreading; the size of the gap between the scraper body and the coating roller can be adjusted, and the outflow of ceramic slurry in the scraper body can be controlled.
Description
Technical Field
The utility model belongs to the technical field of photo-curing molding, and particularly relates to a ceramic photo-curing 3D printing coating scraper device.
Background
The photocuring ceramic 3D printing technology is characterized in that ceramic slurry with high solid phase content is used as a raw material, ultraviolet laser is controlled to scan on the surface of pasty ceramic slurry according to the layered cross-section shape of a part model, the scanned ceramic slurry is cured by photopolymerization reaction due to the fact that photosensitive resin is contained, a thin layer is formed, after one layer of curing is completed, a printing platform can be lowered by one layer of thickness, a new layer of ceramic slurry needs to be coated on the surface of the cured ceramic slurry, and the ceramic slurry is overlapped layer by layer until the part is formed. In order to ensure the flatness and uniformity of the laying liquid surface, most ceramic photo-curing forming machines are provided with a scraper, and the scraper is required to scrape the liquid surface.
However, in the current ceramic slurry coating process, it is difficult to determine the slurry amount which fills the whole printing surface, and when the ceramic slurry amount pumped into the printing platform is insufficient, the ceramic slurry in the paving layer is easily unevenly distributed, so that the precision of photocuring forming is affected. When the amount of ceramic slurry pumped into the printing platform is excessive, a long enough loading time is required, thereby affecting the photocuring forming efficiency.
Disclosure of Invention
In order to solve the above problems in the prior art, the present utility model aims to provide a ceramic photo-curing 3D printing coating scraper device.
The technical scheme adopted by the utility model is as follows:
a ceramic photo-curing 3D printing coating scraper device comprises
A fixed platform;
the cross beam is arranged on the fixed platform in a sliding manner;
the scraper main body is fixedly arranged on the cross beam, is of a hollow structure and is open at one end far away from the cross beam;
the coating roller is positioned in the scraper main body, and two ends of the coating roller are respectively and rotatably connected with the inner side wall of the scraper main body;
the liquid level observation window is arranged on the side wall of the scraper main body.
Preferably, a linear guide rail is fixedly arranged on one side of the fixed platform, and the cross beam is positioned between the linear guide rail and the fixed platform.
Preferably, the scraper body is connected with the cross beam through a fixing plate, and a plurality of flat head screws are arranged on the fixing plate.
In the utility model, a waist-shaped groove is formed in the scraper main body, a plugging screw is detachably arranged in the waist-shaped groove, and the coating roller is connected with the scraper main body through the plugging screw.
As the preferable mode of the utility model, the scraper comprises a scraper body, a feeding pipe is connected to one side of the scraper body, a peristaltic pump is arranged on the feeding pipe, a tee joint is arranged at one end of the feeding pipe, which is far away from the scraper body, one opening of the tee joint is fixedly connected with the feeding pipe, a shunt pipe is respectively and fixedly arranged at the other two openings of the tee joint, and one ends of the two shunt pipes, which are far away from the tee joint, respectively penetrate through the cross beam and are communicated with the scraper body.
Preferably, a sealing interface is arranged at the joint of the shunt tube and the cross beam, and the sealing interface is fixedly connected with the cross beam.
Preferably, the fixing platform is fixedly provided with a first overflow groove and a second overflow groove, and the first overflow groove and the second overflow groove are respectively positioned at two sides of the cross beam.
The beneficial effects of the utility model are as follows:
1. the utility model can control the feeding amount of the ceramic slurry by controlling the working time of the peristaltic pump.
2. The utility model can utilize the movement of the scraper to uniformly spread the material in the printing plane, and the coating roller assists the spreading.
3. According to the utility model, the waist-shaped grooves are formed in the two ends of the scraper main body, the coating roller is arranged in the scraper main body, the stopper screw is arranged at the two ends of the coating roller, the coating roller is fixedly connected with the scraper main body through the stopper screw, the gap between the scraper main body and the coating roller can be adjusted, and the outflow of ceramic slurry in the scraper main body is controlled.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the scraper body and peristaltic pump of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the open side structure of the doctor blade body of FIG. 1 in accordance with the present utility model;
fig. 4 is a schematic side view of the doctor blade body of fig. 1 in accordance with the utility model.
Fig. 5 is a schematic longitudinal sectional view of the doctor blade body and cross beam of fig. 1 according to the present utility model.
Fig. 6 is a schematic view of the structure of the coating drum of fig. 1 according to the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
The following describes embodiments of the present utility model with reference to FIGS. 1-6, a ceramic photo-curing 3D printing coating doctor apparatus, comprising
A fixed platform 15;
the cross beam 3 is arranged on the fixed platform 15 in a sliding manner;
the scraper main body 1 is fixedly arranged on the cross beam 3, is of a hollow structure and is open at one end far away from the cross beam 3;
the coating roller 13 is positioned inside the scraper body 1, and two ends of the coating roller are respectively and rotatably connected with the inner side wall of the scraper body 1; the gap between the coating cylinder 13 and the doctor blade body 1 can be controlled by changing coating cylinders of different diameter sizes, thereby controlling the flow rate of the ceramic slurry.
A liquid level observation window 12 is arranged on the side wall of the scraper body 1. The content of the ceramic slurry in the scraper main body 1 can be observed in real time through the liquid level observation window.
Advantageously, a linear guide 16 is fixedly provided on one side of the fixed platform 15, and the cross beam 3 is located between the linear guide 16 and the fixed platform 15. The horizontal movement of the cross beam 3 in the linear guide rail 16 drives the scraper body to realize the actions of coating ceramic slurry and scraping the ceramic slurry.
Advantageously, the doctor body 1 is connected to the cross beam 3 by means of a fixing plate 2, said fixing plate 2 being provided with a plurality of grub screws 11.
Advantageously, the doctor main body 1 is provided with a waist-shaped groove 14, a beating screw 10 is detachably installed in the waist-shaped groove 14, and the coating roller 13 is connected with the doctor main body 1 through the beating screw 10. By the cooperation of the kidney-shaped groove 14 and the stopper screw 10, the coating roller 13 can roll when contacting with the pre-curing layer, thereby being more convenient for coating ceramic slurry.
The novel scraper comprises a scraper body 1, a scraper body 3 and a scraper sleeve, and is characterized by further comprising a slurry barrel 8, wherein one side of the slurry barrel 8 is connected with the feeding pipe 6, a peristaltic pump 7 is arranged on the feeding pipe 6, one end, far away from the slurry barrel 8, of the feeding pipe 6 is provided with a tee joint 5, one opening of the tee joint 5 is fixedly connected with the feeding pipe 6, two other openings of the tee joint 5 are respectively fixedly provided with a shunt pipe 4, and one ends, far away from the tee joint 5, of the shunt pipes 4 respectively penetrate through the cross beam 3 and are communicated with the scraper body 1.
Advantageously, a sealing interface 9 is provided at the junction of the shunt tube 4 and the cross beam 3, and the sealing interface 9 is fixedly connected with the cross beam 3.
Advantageously, the fixed platform 15 is fixedly provided with a first overflow trough 19 and a second overflow trough 18, and the first overflow trough 19 and the second overflow trough 18 are respectively located at two sides of the beam 3. Is convenient for recycling the redundant ceramic slurry.
The working principle of the utility model is as follows:
during primary printing, the peristaltic pump 7 pumps ceramic slurry out of the slurry barrel 8 through the feed pipe 6, the ceramic slurry in the feed pipe 6 is shunted through the tee joint 5, then the ceramic slurry enters the scraper main body 1 through the shunt pipe 4 through the sealing interface 9, whether the ceramic slurry in the scraper main body 1 fills the inner cavity or not is observed through the liquid level observation window 12, when one layer of solidification is finished and the next layer of solidification is started, the horizontal movement of the cross beam 3 in the linear guide rail drives the scraper main body 1 to carry out coating operation, the peristaltic pump 7 starts to work to carry out feeding when the scraper main body 1 carries out coating, and as a certain gap exists between the coating roller 13 and the scraper main body 1, the ceramic slurry supplemented by the peristaltic pump 7 flows out from the gap, in addition, the coating roller 13 starts to roll when contacting the solidified layer in the moving process of following the scraper main body 1, the ceramic slurry in the scraper main body 1 is accelerated, the viscosity difference of the ceramic slurry in the scraper main body 1 is large, and coating rollers with different diameters are required to be selected according to the ceramic slurries with different viscosities. After the coating operation is completed, the peristaltic pump 7 stops feeding, the scraper main body 1 performs a scraping operation in the opposite direction of the coating operation, and the excessive ceramic slurry is recycled through the first overflow grooves 19 and the second overflow grooves 18 on the two sides of the printing platform 17.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. Ceramic light curing 3D prints coating scraper device, its characterized in that: comprising
A fixed platform (15);
the cross beam (3) is arranged on the fixed platform (15) in a sliding manner;
the scraper main body (1) is fixedly arranged on the cross beam (3), is of a hollow structure and is open at one end far away from the cross beam (3);
the coating roller (13) is positioned inside the scraper main body (1), and two ends of the coating roller are respectively and rotatably connected with the inner side wall of the scraper main body (1);
and the liquid level observation window (12) is arranged on the side wall of the scraper main body (1).
2. A ceramic photo-curing 3D printing coating doctor apparatus according to claim 1, characterized in that: one side of the fixed platform (15) is fixedly provided with a linear guide rail (16), and the cross beam (3) is positioned between the linear guide rail (16) and the fixed platform (15).
3. A ceramic photo-curing 3D printing coating doctor apparatus according to claim 1, characterized in that: the scraper main body (1) is connected with the cross beam (3) through the fixing plate (2), and a plurality of flat head screws (11) are arranged on the fixing plate (2).
4. A ceramic photo-curing 3D printing coating doctor apparatus according to claim 1, characterized in that: the scraper body (1) is provided with a waist-shaped groove (14), a stopper beating screw (10) is detachably arranged in the waist-shaped groove (14), and the coating roller (13) is connected with the scraper body (1) through the stopper beating screw (10).
5. A ceramic photo-curing 3D printing coating doctor apparatus according to claim 1, characterized in that: still include thick liquids bucket (8), inlet pipe (6) are connected to one side of thick liquids bucket (8), be equipped with peristaltic pump (7) on inlet pipe (6), inlet pipe (6) are kept away from the one end of thick liquids bucket (8) is equipped with tee bend (5), one of them opening of tee bend (5) with inlet pipe (6) fixed connection, two other openings of tee bend (5) are fixed respectively and are equipped with one shunt tubes (4), two shunt tubes (4) are kept away from the one end of tee bend (5) runs through respectively crossbeam (3) with scraper main part (1) intercommunication.
6. The ceramic photo-curing 3D printing coating doctor apparatus according to claim 5, wherein: the junction of shunt tubes (4) with crossbeam (3) is equipped with sealed interface (9), sealed interface (9) with crossbeam (3) fixed connection.
7. A ceramic photo-curing 3D printing coating doctor apparatus according to claim 2, characterized in that: the fixed platform (15) is fixedly provided with a first overflow groove (19) and a second overflow groove (18), and the first overflow groove (19) and the second overflow groove (18) are respectively positioned on two sides of the cross beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572789.9U CN220198007U (en) | 2023-06-20 | 2023-06-20 | Ceramic photocuring 3D prints coating scraper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572789.9U CN220198007U (en) | 2023-06-20 | 2023-06-20 | Ceramic photocuring 3D prints coating scraper device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220198007U true CN220198007U (en) | 2023-12-19 |
Family
ID=89142802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321572789.9U Active CN220198007U (en) | 2023-06-20 | 2023-06-20 | Ceramic photocuring 3D prints coating scraper device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220198007U (en) |
-
2023
- 2023-06-20 CN CN202321572789.9U patent/CN220198007U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |