Ceramic 3D printer forming platform with precision doctor blade

Abstract

The application discloses a ceramic 3D printer forming platform with a precision scraper, and belongs to the technical field of ceramic 3D printing equipment, which comprises a scraper module and a forming platform module. The scraper module is arranged above the forming platform module and can slide left and right, the bottom of the scraper module is provided with first and second scrapers in parallel left and right, the front and rear ends of the first scraper are respectively provided with a first precision motor, a first displacement sensor and a second precision motor, a second displacement sensor, the front and rear ends of the second scraper are respectively provided with a third precision motor, a third displacement sensor and a fourth precision motor, a fourth displacement sensor, the four motors cooperatively control the lifting and tilting of the two scrapers, and the four displacement sensors form a closed loop control by feeding back positions in real time, so that the two scrapers can be adjusted to the same horizontal height and the slurry can be flattened in single one-way motion. The application can significantly improve printing efficiency, precision and maintenance convenience.

Description

Technical Field

[0001] This invention relates to the field of ceramic 3D printing equipment technology, specifically to a ceramic 3D printer forming platform with a precision scraper, suitable for sunken DLP ceramic 3D printers. Background Technology

[0002] Submerged DLP ceramic 3D printing equipment typically uses a pneumatic lifting squeegee for reciprocating slurry coating. The pneumatic squeegee relies on an air valve to operate, using compressed air to raise and lower the squeegee. This movement generates significant instantaneous impact, easily causing noticeable vibrations and affecting coating stability. To adjust the squeegee's posture, some equipment includes a manual differential adjustment device to control its tilt and height. However, manual adjustment has limited precision, making it difficult to accurately control the squeegee's absolute level and its height relative to the forming platform. This results in uneven initial layer thickness, greatly increasing the risk of printing failures.

[0003] With a dual-scraper configuration, the existing pneumatic + manual adjustment solution cannot precisely adjust the left and right scrapers to the same horizontal height. Therefore, only a reciprocating scraping method can be used during the printing process, which seriously reduces printing efficiency. Furthermore, the inconsistent scraping posture each time further aggravates uneven layer thickness.

[0004] Furthermore, existing squeegee modules typically only have a single squeegee. When applying high-viscosity non-Newtonian fluid slurries (such as ceramic slurries), the surface tension imbalance and thixotropic rebound effect of the slurry after squeegee application will cause obvious liquid surface bulges at the squeegee-applied locations, resulting in delamination defects at the edges of the printed preform and severely affecting the molding quality.

[0005] On the other hand, most existing molding platforms and molding cylinders use piston seals or shaft seals, which cannot completely detach the molding platform from the molding cylinder, making it difficult to clean and maintain the platform sidewalls and sealing rings. After long-term use, slurry settling and slag deposition cause the molding platform to move obstructed, resulting in jamming or even complete seizure. Summary of the Invention

[0006] This invention provides a ceramic 3D printer forming platform with a precision scraper to solve the problems of low scraper adjustment precision, inability to achieve unidirectional scraping, difficulty in maintaining the forming platform, and uneven scraping of high-viscosity slurry in the prior art.

[0007] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0008] A ceramic 3D printer forming platform with precision scrapers includes: a scraper module and a forming platform module. The scraper module is positioned above the forming platform module and can slide left and right relative to it. The bottom of the scraper module has a first scraper and a second scraper that are parallel to each other. The front end of the first scraper is equipped with a first precision motor and a first displacement sensor, and the rear end is equipped with a second precision motor and a second displacement sensor. The front end of the second scraper is equipped with a third precision motor and a third displacement sensor, and the rear end is equipped with a fourth precision motor and a fourth displacement sensor. The first and second precision motors can respectively drive the two ends of the first scraper to rise and fall, thereby coordinating the control of the first scraper's rise, fall, and tilt. The third and fourth precision motors can respectively drive the two ends of the second scraper to rise and fall, thereby coordinating the control of the second scraper's rise, fall, and tilt. The first, second, third, and fourth displacement sensors respectively provide real-time feedback on the position of the corresponding scraper ends to an external controller. The first and second scrapers can be adjusted to the same horizontal height, completing the leveling of the ceramic slurry on the upper surface of the forming platform module in a single unidirectional movement.

[0009] To optimize the above technical solution, the specific measures also include:

[0010] The molding platform module includes a molding cylinder, a molding platform, and a servo electric cylinder. The molding cylinder is a cylindrical structure with openings at the top and bottom. The molding platform is installed inside the molding cylinder with a piston-type seal. Ceramic slurry can be laid on the upper surface of the molding platform. The servo electric cylinder is used to drive the molding platform to move up and down inside the molding cylinder.

[0011] The forming platform module also includes a support platform. The upper edge of the forming cylinder is fixed on the support platform. The upper surface of the support platform has a slide rail on each of the front and rear sides of the forming cylinder. The two slide rails are arranged in parallel. The front and rear ends of the scraper module are slidably mounted on the slide rails. A drive motor is also installed on the slide rail. The drive motor is connected to the scraper module and is used to drive the scraper module to slide left and right on the slide rail.

[0012] An anti-overflow ring is provided on the upper surface of the support platform, and the upper end of the molding cylinder is located inside the anti-overflow ring. The anti-overflow ring is used to prevent ceramic slurry from overflowing from the edge of the support platform.

[0013] The bottom of the molding cylinder is fixedly connected to the fixing plate via a maintenance space fixing column. The cylinder body of the servo electric cylinder is fixed below the fixing plate. The drive end of the servo electric cylinder passes through the fixing plate and is used to drive the molding platform. When the servo electric cylinder drives the molding platform to move down, it can make the molding platform detach from the bottom of the molding cylinder and move between the molding cylinder and the fixing plate.

[0014] The molding platform module also includes a leveling mechanism, which includes a leveling mounting plate, a ball head device, and at least three leveling precision motors. The leveling mounting plate is located below the molding platform. The lower surface of the molding platform is provided with a ball head seat that cooperates with the ball head device. The ball head device is fixedly mounted on the upper surface of the leveling mounting plate. The ball head of the ball head device is locked in the ball head seat. The motor housings of the three leveling precision motors are all fixed on the leveling mounting plate, and the drive ends are all fixedly connected to the lower surface of the molding platform. The three leveling precision motors are arranged in a triangular pattern. The drive end of the servo electric cylinder is fixedly connected to the center of the leveling mounting plate.

[0015] A sealing ring is fixed between the outer edge of the leveling mounting plate and the outer edge of the lower surface of the forming platform. The sealing ring is used to seal the gap between the forming platform and the inner wall of the forming cylinder.

[0016] A combined scraper unit is detachably mounted on the first scraper and / or the second scraper; the combined scraper unit consists of one or more scraper blades arranged side by side, the scraper blades being used to scrape and coat high-viscosity non-Newtonian fluid slurry.

[0017] The blade angle of the combined scraper unit is between 30° and 90°.

[0018] The first precision motor, the second precision motor, the third precision motor, and the fourth precision motor can be installed vertically or horizontally.

[0019] The present invention has the following beneficial effects:

[0020] 1. This invention uses closed-loop control of four precision motors and four displacement sensors to achieve independent lifting and tilting adjustment of the first and second scrapers, and precisely adjusts the two scrapers to the same horizontal height, thereby completing the slurry leveling in a single unidirectional movement and greatly improving printing efficiency.

[0021] 2. The molding platform of the present invention can be completely detached from the bottom of the molding cylinder, which facilitates cleaning and maintenance and effectively solves the problems of slurry settling and material jamming.

[0022] 3. The leveling mechanism of the present invention achieves precise positioning during reassembly through the ball head device. With the help of three leveling precision motors distributed in a triangle, the level of the molding platform can be automatically restored after each reassembly without the need for manual calibration.

[0023] 4. The combined scraper unit of the present invention can use multiple scraper blades with different cutting angles arranged side by side, which can achieve multi-stage scraping for high-viscosity non-Newtonian fluid slurries, significantly reduce the phenomenon of liquid surface bulging, and avoid delamination defects. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a ceramic 3D printer molding platform with a precision scraper according to the present invention. Figure 1 ;

[0025] Figure 2 This is a schematic diagram of the structure of a ceramic 3D printer molding platform with a precision scraper according to the present invention. Figure 2 ;

[0026] Figure 3 This is a schematic diagram of the combined scraper unit of the present invention;

[0027] Figure 4 This is a schematic diagram of the scraper structure in Embodiment 1 of the present invention;

[0028] Figure 5 This is a schematic diagram of the scraper structure in Embodiment 2 of the present invention;

[0029] Figure 6 This is a schematic diagram of the molding platform of the present invention detached from the bottom of the molding cylinder;

[0030] Figure 7 This is a schematic diagram of the external structure of the molding platform of the present invention;

[0031] Figure 8 This is a schematic diagram of the leveling mechanism of the present invention.

[0032] The attached figures are labeled as follows: 1. Scraper module; 11. First scraper; 11a. First precision motor; 11b. First displacement sensor; 11c. Second precision motor; 11d. Second displacement sensor; 12. Second scraper; 12a. Third precision motor; 12b. Third displacement sensor; 12c. Fourth precision motor; 12d. Fourth displacement sensor; 13. Combined scraper unit; 2. Forming platform module; 21. Forming cylinder; 21a. Maintenance space fixing column; 21b. Fixing plate; 22. Forming platform; 23. Servo electric cylinder; 24. Supporting platform; 24a. Slide rail; 24b. Anti-overflow ring; 25. Leveling mechanism; 25a. Leveling mounting plate; 25b. Ball head device; 25c. Leveling precision motor; 25d. Sealing ring. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this application clearer, the application is described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application. All other embodiments obtained by those skilled in the art based on the embodiments provided in this application without inventive effort are within the scope of protection of this application.

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that the following embodiments are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0035] Example 1

[0036] A ceramic 3D printer forming platform with a precision scraper includes a scraper module 1 and a forming platform module 2.

[0037] like Figure 1 , Figure 3 As shown, the scraper module 1 is positioned above the forming platform module 2 and can slide left and right relative to the forming platform module 2. The bottom of the scraper module 1 is provided with a first scraper 11 and a second scraper 12 that are parallel to each other.

[0038] The first scraper 11 has a first precision motor 11a and a first displacement sensor 11b at its front end, and a second precision motor 11c and a second displacement sensor 11d at its rear end. The second scraper 12 has a third precision motor 12a and a third displacement sensor 12b at its front end, and a fourth precision motor 12c and a fourth displacement sensor 12d at its rear end.

[0039] The first precision motor 11a and the second precision motor 11c can respectively drive the two ends of the first scraper 11 to rise and fall, thereby coordinating the raising, lowering and tilting of the first scraper 11. The third precision motor 12a and the fourth precision motor 12c can respectively drive the two ends of the second scraper 12 to rise and fall, thereby coordinating the raising, lowering and tilting of the second scraper 12.

[0040] The first displacement sensor 11b, the second displacement sensor 11d, the third displacement sensor 12b, and the fourth displacement sensor 12d respectively provide real-time feedback of the position of the corresponding scraper end to the external controller, forming a closed-loop control.

[0041] With an external controller, the first scraper 11 and the second scraper 12 can be precisely adjusted to the same horizontal height. During the scraping operation, the height of the two scrapers is adjusted according to the direction of movement to make them the same height. Since the left and right scrapers are at the same height, the scraper module 1 can complete the smoothing of the ceramic slurry on the upper surface of the forming platform module 2 in a single unidirectional movement, without the need for reciprocating scraping.

[0042] like Figure 6 , Figure 7 , Figure 8 As shown, the molding platform module 2 includes a molding cylinder 21, a molding platform 22, a servo electric cylinder 23, a support platform 24, and a leveling mechanism 25.

[0043] The forming cylinder 21 is a cylindrical structure with openings at the top and bottom. The forming platform 22 is piston-sealed and installed inside the forming cylinder 21, and the upper surface of the forming platform 22 is used to lay ceramic slurry. The servo electric cylinder 23 is used to drive the forming platform 22 to move up and down inside the forming cylinder 21.

[0044] A support platform 24 is positioned above the forming cylinder 21. The upper edge of the forming cylinder 21 is fixedly connected to the lower surface of the support platform 24. The support platform 24 has an opening corresponding to the position of the forming cylinder 21. A slide rail 24a is provided on each side of the opening on the upper surface of the support platform 24, with the two slide rails 24a arranged parallel to each other. The front and rear ends of the scraper module 1 are slidably mounted on the slide rails 24a. A drive motor is also mounted on the slide rail 24a, and the drive motor is connected to the scraper module 1 to drive the scraper module 1 to slide left and right on the slide rail 24a.

[0045] An anti-overflow ring 24b is provided on the upper surface of the support platform 24, and the upper end of the molding cylinder 21 is located inside the anti-overflow ring 24b. When the scraper module 1 slides and scrapes on the support platform 24, a small amount of slurry may be carried out to the upper surface of the support platform 24. The anti-overflow ring 24b can prevent the ceramic slurry from overflowing from the edge of the support platform 24. The slurry that cannot overflow will eventually flow back into the molding cylinder 21.

[0046] like Figure 6 As shown, the bottom of the forming cylinder 21 is fixedly connected to the fixing plate 21b via a maintenance space fixing column 21a. The cylinder body of the servo electric cylinder 23 is fixed below the fixing plate 21b, and the drive end of the servo electric cylinder 23 passes through the fixing plate 21b to drive the forming platform 22.

[0047] When cleaning and maintenance are required, the servo cylinder 23 moves the molding platform 22 downwards, causing it to completely detach from the bottom of the molding cylinder 21 and enter the maintenance space between the molding cylinder 21 and the fixing plate 21b. At this time, the side walls of the molding platform 22, the sealing ring 25d, and the inner wall of the molding cylinder 21 are exposed, facilitating thorough cleaning by the operator. After maintenance is completed, the servo cylinder 23 pushes the molding platform 22 back into the molding cylinder 21 from the bottom.

[0048] like Figure 7 , Figure 8 As shown, the molding platform module 2 also includes a leveling mechanism 25. The leveling mechanism 25 includes a leveling mounting plate 25a, a ball head device 25b, and three leveling precision motors 25c.

[0049] The leveling mounting plate 25a is located below the forming platform 22, and the drive end of the servo electric cylinder 23 is fixedly connected to the center of the leveling mounting plate 25a. A ball head seat is provided on the lower surface of the forming platform 22 to cooperate with the ball head device 25b. The ball head device 25b is fixedly mounted on the upper surface of the leveling mounting plate 25a, and the ball head of the ball head device 25b can be locked in the ball head seat to form a positioning reference.

[0050] The motor housings of the three leveling precision motors 25c are all fixed on the leveling mounting plate 25a, and the drive ends are all fixedly connected to the lower surface of the forming platform 22. The three leveling precision motors 25c are arranged in a triangular pattern.

[0051] During reassembly, the ball head device 25b first contacts the ball head seat and automatically slides towards the center under the guidance of the conical surface, achieving repeated positioning of the forming platform 22 in the X, Y, and Z directions. Based on this, the three leveling precision motors 25c lift the forming platform 22 to different positions according to the level detection signal, adjusting the overall levelness of the forming platform 22 with the ball head as the fulcrum, so that the upper surface of the forming platform 22 reaches absolute level.

[0052] like Figure 7 As shown, a sealing ring 25d is fixed between the outer edge of the leveling mounting plate 25a and the outer edge of the lower surface of the forming platform 22. This sealing ring 25d is preferably a spring-energy-storing sealing ring, which has a spring element inside and can provide a continuous radial clamping force on the sealing lip.

[0053] The sealing ring 25d is used to seal the gap between the molding platform 22 and the inner wall of the molding cylinder 21, preventing ceramic slurry from leaking downwards. At the same time, the sealing ring 25d can effectively reduce the sliding friction resistance during the lifting and lowering movement of the molding platform 22, and is directional, allowing the molding platform 22 to be pushed in only from below, which matches the design scheme of removing the bottom for maintenance.

[0054] like Figure 3 As shown, when it is necessary to apply a high-viscosity non-Newtonian fluid slurry (such as a ceramic slurry), a combined scraper unit 13 can be detachably installed on the first scraper 11 and / or the second scraper 12. The combined scraper unit 13 is composed of one or more scraper blades arranged side by side, and the cutting angle of the scraper blades is selected between 30° and 90° according to the rheological properties of the ceramic slurry.

[0055] In this embodiment, the combined scraper unit 13 adopts a three-piece structure, including a first scraper blade, a second scraper blade, and a third scraper blade arranged side by side. The first scraper blade has a cutting angle of 30° to 45° and is used for initial scraping to quickly smooth out excess slurry and establish a basic thickness. The second scraper blade has a cutting angle of 60° to 75° and is used to remove slurry protrusions generated after the initial scraping, suppressing large fluctuations in the slurry. The third scraper blade has a cutting angle of 90° or a chamfered flat edge and is used for fine scraping and smoothing, utilizing the large flat surface to press against surface tension rebound, forming a smooth, protrusion-free thin layer.

[0056] The synergistic effect of the three-stage scraper can significantly reduce the phenomenon of liquid surface bulging, and avoid the backflow of bulging slurry, which can cause the thickness of the slurry at the edge of the printing area to increase and the blank to crack.

[0057] It should be noted that the number of blades installed on the first scraper 11 and the second scraper 12 can be the same or different. For example, depending on the characteristics of the slurry, two blades can be installed on the first scraper 11 and three blades can be installed on the second scraper 12 to meet the scraping requirements in different directions.

[0058] Example 2

[0059] This embodiment is basically the same as Embodiment 1, except that the installation method of the precision motor is different. For example... Figure 5 As shown, the first precision motor 11a, the second precision motor 11c, the third precision motor 12a, and the fourth precision motor 12c are vertically mounted to accommodate different equipment space layout requirements. In another embodiment, the above motors can also be horizontally mounted (e.g., Figure 4 (As shown).

[0060] Workflow

[0061] The workflow of this invention is as follows:

[0062] The servo electric cylinder 23 drives the molding platform 22 to descend by a single layer height (usually 30-50μm).

[0063] An automatic feeding system supplies ceramic slurry into the molding cylinder 21.

[0064] The drive motor moves the scraper module 1 horizontally along the slide rail 24a. Depending on the direction of movement, one scraper lowers (the blade is one layer thick below the upper surface of the molding platform), while the other scraper rises. Since the left and right scrapers are precisely adjusted to the same horizontal height, the scraper module 1 can evenly spread the ceramic slurry on the upper surface of the molding platform 22 or on the cured layer in a single unidirectional movement.

[0065] The DLP optical engine exposes the ceramic paste according to the preset pattern, cures it, and completes single-layer printing.

[0066] Repeat the above steps until printing is complete.

[0067] When cleaning and maintenance are required, the servo cylinder 23 moves the forming platform 22 downwards, completely disengaging it from the bottom of the forming cylinder 21. After cleaning, the servo cylinder 23 pushes the forming platform 22 upwards, the ball head device 25b automatically positions itself, and the leveling precision motor 25c automatically restores the horizontal level, allowing printing to continue.

[0068] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A ceramic 3D printer molding platform with a precision scraper, comprising: The scraper module (1) and the forming platform module (2) are characterized in that the scraper module (1) is disposed above the forming platform module (2) and can slide left and right relative to the forming platform module (2). The bottom of the scraper module (1) is provided with a first scraper (11) and a second scraper (12) that are parallel to each other. The front end of the first scraper (11) is provided with a first precision motor (11a) and a first displacement sensor (11b), and the rear end is provided with a second precision motor (11c) and a second displacement sensor (11d). The front end of the second scraper (12) is provided with a third precision motor (12a) and a third displacement sensor (12b), and the rear end is provided with a fourth precision motor (12c) and a fourth displacement sensor (12d). The first precision motor (11a) and the second scraper (12) are provided with a third precision motor (12a) and a third displacement sensor (12b), and the rear end is provided with a fourth precision motor (12c) and a fourth displacement sensor (12d). The second precision motor (11c) can drive the two ends of the first scraper (11) to rise and fall respectively, thereby coordinating the control of the rise and fall and tilt of the first scraper (11). The third precision motor (12a) and the fourth precision motor (12c) can drive the two ends of the second scraper (12) to rise and fall respectively, thereby coordinating the control of the rise and fall and tilt of the second scraper (12). The first displacement sensor (11b), the second displacement sensor (11d), the third displacement sensor (12b), and the fourth displacement sensor (12d) respectively provide real-time feedback of the position of the corresponding scraper end to the external controller. The first scraper (11) and the second scraper (12) can be adjusted to the same horizontal height, and the ceramic slurry on the upper surface of the molding platform module (2) is leveled in a single unidirectional movement. The molding platform module (2) also includes a leveling mechanism (25), which includes: a leveling mounting plate (25a), a ball head device (25b), and at least three leveling precision motors (25c). The leveling mounting plate (25a) is located below the molding platform (22). The lower surface of the molding platform (22) is provided with a ball head seat that cooperates with the ball head device (25b). The ball head device (25b) is fixedly installed on the upper surface of the leveling mounting plate (25a). The ball head of the ball head device (25b) can be locked in the ball head seat. The motor housings of the three leveling precision motors (25c) are all fixed on the leveling mounting plate (25a). The drive ends are all fixedly connected to the lower surface of the molding platform (22). The three leveling precision motors (25c) are arranged in a triangular distribution. The drive end of the servo electric cylinder (23) is fixedly connected to the center of the leveling mounting plate (25a).

2. The ceramic 3D printer molding platform with a precision scraper according to claim 1, characterized in that, The molding platform module (2) includes a molding cylinder (21), a molding platform (22), and a servo electric cylinder (23). The molding cylinder (21) is a cylindrical structure with openings at the top and bottom. The molding platform (22) is installed inside the molding cylinder (21) with a piston-type seal. Ceramic slurry can be laid on the upper surface of the molding platform (22). The servo electric cylinder (23) is used to drive the molding platform (22) to rise and fall inside the molding cylinder (21).

3. The ceramic 3D printer molding platform with a precision scraper according to claim 1, characterized in that, The forming platform module (2) further includes a support platform (24). The upper edge of the forming cylinder (21) is fixed on the support platform (24). A slide rail (24a) is provided on the upper surface of the support platform (24) on both the front and rear sides of the forming cylinder (21). The two slide rails (24a) are arranged in parallel. The front and rear ends of the scraper module (1) are slidably installed on the slide rails (24a). A drive motor is also installed on the slide rails (24a). The drive motor is connected to the scraper module (1) and is used to drive the scraper module (1) to slide left and right on the slide rails (24a).

4. A ceramic 3D printer molding platform with a precision scraper according to claim 3, characterized in that, The upper surface of the support platform (24) is provided with an anti-overflow ring (24b), and the upper end of the molding cylinder (21) is located inside the anti-overflow ring (24b). The anti-overflow ring (24b) is used to prevent ceramic slurry from overflowing from the edge of the support platform (24).

5. A ceramic 3D printer forming platform with a precision scraper according to claim 2, characterized in that, The bottom of the forming cylinder (21) is fixedly connected to the fixing plate (21b) through the maintenance space fixing column (21a). The cylinder body of the servo electric cylinder (23) is fixed below the fixing plate (21b). The driving end of the servo electric cylinder (23) passes through the fixing plate (21b) and is used to drive the forming platform (22). When the servo electric cylinder (23) drives the forming platform (22) to move down, the forming platform (22) can be dislodged from the bottom of the forming cylinder (21) and placed between the forming cylinder (21) and the fixing plate (21b).

6. A ceramic 3D printer forming platform with a precision scraper according to claim 1, characterized in that, A sealing ring (25d) is fixed between the outer edge of the leveling mounting plate (25a) and the outer edge of the lower surface of the forming platform (22). The sealing ring (25d) is used to seal the gap between the forming platform (22) and the inner wall of the forming cylinder (21).

7. A ceramic 3D printer forming platform with a precision scraper according to claim 1, characterized in that, A combined scraper unit (13) is detachably mounted on the first scraper (11) and / or the second scraper (12); the combined scraper unit (13) is composed of one or more scraper blades arranged side by side, and the scraper blades are used to scrape and coat high-viscosity non-Newtonian fluid slurry.

8. A ceramic 3D printer forming platform with a precision scraper according to claim 7, characterized in that, The blade angle of the combined scraper unit (13) is between 30° and 90°.

9. A ceramic 3D printer forming platform with a precision scraper according to claim 1, characterized in that, The first precision motor (11a), the second precision motor (11c), the third precision motor (12a), and the fourth precision motor (12c) are installed vertically or horizontally.

Images