CN219235601U

CN219235601U - Pottery 3D printing apparatus

Info

Publication number: CN219235601U
Application number: CN202222588000.0U
Authority: CN
Inventors: 朱朋飞; 王�锋; 李勃
Original assignee: Shenzhen Adventure Technology Co ltd
Current assignee: Shenzhen Adventure Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-23
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses ceramic 3D printing equipment which comprises a frame, and a surface projection assembly, a scraper assembly, a feeding assembly, a forming assembly, a conveying assembly and a driving mechanism which are arranged in the frame, wherein the surface projection assembly and the scraper assembly are arranged above the forming assembly; the scraper component comprises a fixing frame and a scraper, and the fixing frame is connected with the scraper; the molding assembly comprises a base, a material tray connected with the base and a molding cylinder, wherein the molding cylinder is connected with the material tray through the base; the feeding assembly comprises a feeding cylinder for providing and storing slurry and a peristaltic mechanism for conveying the slurry in the feeding cylinder to the tray, wherein the peristaltic mechanism adopts a peristaltic pump to convey the slurry in the feeding cylinder to the tray; the surface projection assembly can scan and solidify the sizing agent on the forming cylinder according to a preset pattern; the driving mechanism drives the conveying assembly to drive the scraper assembly to move back and forth on the forming cylinder. According to the utility model, through peristaltic circulation feeding, the printing speed is effectively improved, and the printing efficiency is further improved.

Description

Pottery 3D printing apparatus

Technical Field

The utility model relates to the technical field of 3D printing equipment, in particular to ceramic 3D printing equipment.

Background

3D printing (3 DP), a type of rapid prototyping technology, also known as additive manufacturing, is implemented in digital 3D printing, typically using a 3D printer. Often in the fields of mould manufacture, industrial design, etc., are used to manufacture models, and later gradually in the direct manufacture of some products, parts have been printed using this technique. The technology has application in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

The existing 3D printing equipment comprises a material tray, a material feeding cylinder, a forming cylinder, a scraper and a surface projection assembly, wherein the material tray is fed by the material feeding cylinder, the scraper scrapes the slurry on the material tray to the forming cylinder, the surface projection scans the slurry for curing and forming, and then the steps are repeated until printing is completed; the defects are that: after one layer of slurry is printed, the scraper needs to wait for the feeding cylinder to provide the slurry to the tray, and the scraper begins to scrape the slurry, so that the printing speed is reduced, and the printing efficiency is low.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the ceramic 3D printing equipment, which can effectively improve the printing speed and further improve the printing efficiency by peristaltic circulation feeding.

In order to solve the technical problems, the utility model provides ceramic 3D printing equipment, which comprises a frame, and a surface projection assembly, a scraper assembly, a feeding assembly, a forming assembly, a conveying assembly and a driving mechanism which are arranged in the frame, wherein the surface projection assembly and the scraper assembly are arranged above the forming assembly;

the scraper component comprises a fixing frame and a scraper, and the fixing frame is connected with the scraper;

the molding assembly comprises a base, a material tray connected with the base and a molding cylinder, wherein the molding cylinder is connected with the material tray through the base;

the feeding assembly comprises a feeding cylinder for providing and storing slurry and a peristaltic mechanism for conveying the slurry in the feeding cylinder to the tray, wherein the peristaltic mechanism adopts a peristaltic pump to convey the slurry in the feeding cylinder to the tray;

the surface projection assembly can scan and solidify the sizing agent on the forming cylinder according to a preset pattern;

the driving mechanism drives the conveying assembly to drive the scraper assembly to move back and forth on the forming cylinder.

As an improvement of the above scheme, the peristaltic mechanism comprises a conveying pipe, a peristaltic pump for controlling the conveying speed of the slurry in the conveying pipe, and a driving piece for driving the peristaltic pump;

the conveying pipe is used for conveying the slurry in the feeding cylinder into the tray.

As an improvement of the above scheme, the feeding assembly further comprises an adapter connected with the conveying pipe, and the adapter is arranged on one side of the material tray.

As an improvement of the scheme, the adaptor is provided with an adaptor port connected with the conveying pipe.

As an improvement of the scheme, the base is further provided with a buffer tank for storing the slurry conveyed by the conveying pipe, and the buffer tank is arranged below the adapter.

As an improvement of the scheme, the tray is provided with overflow holes for overflowing the surplus slurry, and the overflow holes are arranged above the feeding cylinder.

As an improvement of the scheme, the device further comprises a connecting piece, wherein the connecting piece comprises a adapter seat and a fixed seat which are connected in sequence;

the adapter is connected with the fixing frame;

the fixing seat is connected with the conveying assembly.

As an improvement of the scheme, the driving mechanism comprises a motor, a bearing bracket and a driving shaft, wherein the motor is arranged on the back surface of the base, the driving shaft is transversely and penetratingly connected with the bearing bracket, and two ends of the driving shaft are respectively connected with the conveying assembly;

the conveying assembly comprises a driven wheel, a synchronous belt, a guide rail, a sliding block in sliding connection with the guide rail and a synchronous belt locker which are arranged on the back surface of the base; the driven wheel is sleeved on the driving shaft;

the sliding block is connected with the fixed seat, and the fixed seat is connected with the synchronous belt.

As an improvement of the above, the scraper assembly further comprises an elastic member and an adjusting mechanism;

the scraper is provided with a clamping groove matched with the elastic piece, and is connected with the fixing frame through the elastic piece;

the adjusting mechanism is used for adjusting the vertical displacement of the scraper.

As an improvement of the scheme, a liftable forming platform is arranged in the forming cylinder;

the molding assembly further includes a lifting mechanism for lifting the molding platform.

The implementation of the utility model has the following beneficial effects:

the ceramic 3D printing equipment comprises a frame, and a surface projection assembly, a scraper assembly, a feeding assembly, a forming assembly, a conveying assembly and a driving mechanism which are arranged in the frame, wherein the feeding assembly comprises a peristaltic mechanism, and printing speed is effectively improved through peristaltic circulation feeding, so that printing efficiency is improved.

According to the ceramic 3D printing equipment, the scraper component is matched with the elastic piece and the adjusting mechanism, so that the vertical displacement of the scraper can be effectively adjusted, the distance between the scraper and the slurry when the slurry is scraped can be effectively adjusted, and the requirements of different 3D printers are met; in addition, the special scraper structure is adopted, so that the surface tension of the slurry can be broken through for high-viscosity slurry, the slurry can be effectively and uniformly scraped, the uniformity of each layer of slurry is ensured, and the printing precision is further effectively improved.

According to the ceramic 3D printing equipment, the peristaltic mechanism, the overflow hole and the adapter are matched, so that circulating peristaltic motion of the slurry can be guaranteed, the slurry conveying stability is high, the printing speed is effectively improved, the printing efficiency is further improved, and the ceramic 3D printing equipment is suitable for printing industrial large-size samples.

Drawings

Fig. 1 is a schematic structural view of a ceramic 3D printing apparatus of the present utility model;

FIG. 2 is a cross-sectional view of a ceramic 3D printing device of the present utility model;

FIG. 3 is a left side view of the ceramic 3D printing device of the present utility model;

FIG. 4 is a rear view of the ceramic 3D printing device of the present utility model;

FIG. 5 is a schematic view of the doctor blade of the utility model;

FIG. 6 is a right side view of the doctor blade of the utility model;

FIG. 7 is a cross-sectional view of the forming assembly and transfer assembly of the present utility model;

fig. 8 is a partially enlarged schematic view at a of fig. 7.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1-4, an embodiment of the present utility model provides a ceramic 3D printing apparatus, which includes a frame 100, and a surface projection assembly 1, a doctor assembly 2, a feeding assembly 3, a forming assembly 4, a conveying assembly 5, and a driving mechanism 6 which are disposed in the frame 100, wherein the surface projection assembly 1 is disposed above the forming assembly 4.

The scraper assembly 2 comprises a holder 21 and a scraper 22, the holder 21 being connected to the scraper 22.

The molding assembly 4 includes a base 41, a tray 42 connected to the base 41, and a molding cylinder 43, where the molding cylinder 43 is connected to the tray 42 through the base 41, specifically, in this embodiment, a first slot (not shown in the figure) matching with the molding cylinder 43 is provided on the base 41, and the tray 42 is also provided with a second slot 421 matching with the molding cylinder 43, and the molding cylinder 43 is connected to the tray 42 through the first slot; and the second slotted hole 421 and the shaping jar 43 seamless connection effectively prevent that thick liquids from leaking into in the frame 100 through the gap, simultaneously, shaping jar 43 is fixed in base 41 through installed part (not shown in the figure), installed part and shaping jar 43 looks adaptation, can fix shaping jar 43 like this effectively, guarantees the stability in the operation in-process.

The feeding assembly 3 comprises a feeding cylinder 31 for providing and storing slurry, and a peristaltic mechanism 32 for conveying the slurry in the feeding cylinder 31 to the tray 42, wherein the peristaltic mechanism 32 adopts a peristaltic pump 322 to convey the slurry in the feeding cylinder 31 to the tray 42, and the slurry in the feeding cylinder 31 can be effectively supplied to the tray 42 as required through the peristaltic mechanism 32, so that a foundation is laid for a follow-up scraper 22 to scrape the slurry on the tray 42 into a forming cylinder 43.

The surface projection assembly 1 can scan and solidify the slurry on the forming cylinder 43 according to a preset pattern, that is, the doctor 22 scrapes the slurry on the tray 42 on the forming cylinder 43 to obtain a layer of slurry, and the surface projection assembly 1 scans the layer of slurry according to the preset pattern and solidifies the slurry. Specifically, in the present embodiment, the surface projection assembly 1 is fixed on the frame 100 by a screw, a space for moving the screw is reserved on the surface projection assembly 1, and the vertical displacement of the surface projection assembly 1 is adjusted by tightening the screw, which is not limited thereto, and in another embodiment of the present utility model, the surface projection assembly 1 is driven to vertically displace by a lifting driving mechanism.

The driving mechanism 6 drives the conveying assembly 5 to drive the scraper assembly 2 to move back and forth on the forming cylinder 43.

Therefore, the ceramic 3D printing equipment comprises a frame 100, and a surface projection assembly 1, a scraper assembly 2, a feeding assembly 3, a forming assembly 4, a conveying assembly 5 and a driving mechanism 6 which are arranged in the frame 100, wherein the feeding assembly 3 comprises a peristaltic mechanism 32, and printing speed is effectively improved through peristaltic circulation feeding, so that printing efficiency is improved.

It should be noted that the present utility model further includes the structures of the prior art, such as the chassis and the support rod, and the description thereof is omitted herein.

Referring specifically to fig. 5-6, in this embodiment, the doctor blade 22 includes a doctor blade body 221 and a cutter head 222, where the doctor blade body 221 is connected to the holder 21; the cutter head 222 comprises a first inclined surface 223 for bearing slurry, a cutter tip 224 connected with the first inclined surface 223 and used for scraping slurry, and a second inclined surface 225 connected with the cutter tip 224, wherein the cutter tip 224 is a plane or inclined surface, and the first inclined surface 223 is arranged at an included angle alpha with the horizontal surface of the bottom of the scraper body 221. According to the utility model, through a specific scraper structure design, the problem that the slurry falls back when the existing scraper 22 scrapes is overcome, and the slurry can be effectively scraped, namely, the slurry can be uniformly pushed to the first inclined surface 223 of the scraper 22 in the scraping process of the scraper 22, and the slurry cannot be excessively accumulated, so that the thickness uniformity of each layer of slurry is ensured, the printing precision is improved, and the printing efficiency is improved.

By arranging the first inclined surface 223 and the second inclined surface 225 of the scraper 22, the contact area with air can be increased, the resistance of air in the moving process can be effectively reduced, and the smoothness of the scraper structure when scraping the slurry can be improved.

Specifically, the angle α between the first inclined surface 223 and the horizontal plane at the bottom of the doctor blade body 221 is less than 90 °, and further, the angle α between the first inclined surface 223 and the horizontal plane at the bottom of the doctor blade body 221 is less than 70 °. This can further prevent the problem of the scraper 22 scraping the slurry back down, make the scraping of the slurry more uniform, and provide more contact area for the scraper 22 scraping the slurry.

Specifically, in this embodiment, the tip 224 is an inclined plane, the width of the inclined plane is 0.01-2 mm, the included angle between the inclined plane and the horizontal plane is less than or equal to 10 °, which is not limited thereto, and in another embodiment of the present utility model, the tip 224 is a plane, and the width of the plane is 0.01-2 mm; the vertical height of the cutter head 222 is 1-30 mm. Further, the width of the cutter point is 0.01-1 mm; the height of the cutter head 222 is 1-20 mm.

The scraper 22 based on the technical characteristics can further prevent the problem that the scraper 22 scrapes the slurry from falling back, and meanwhile, the surface tension of the slurry can be broken through for the high-viscosity slurry, the slurry can be effectively and uniformly scraped, the uniformity of each layer of slurry is ensured, and the printing precision is further effectively improved.

Further, a concave cavity 226 is formed between the second inclined plane 225 and the scraper body 221, and after the scraper tip 224 scrapes the slurry, the cavity 226 can play a buffering role in the moving process of the scraper tip 224 towards the feeding cylinder 31, and meanwhile, the slurry with a part higher than the scraper tip 224 can be scraped back to the feeding cylinder 31, so that an auxiliary back scraping function is achieved, and the utilization rate of the slurry is further improved.

The doctor assembly 2 further comprises an elastic member (not shown) and an adjustment mechanism 23. The scraper 22 is provided with a clamping groove 227 matched with the elastic element, the scraper 22 is connected with the fixing frame 21 through the elastic element, specifically, in this embodiment, the elastic element is a tension spring, a fixing groove (not shown in the figure) matched with the tension spring is formed in the fixing frame 21, the tension spring is arranged in the clamping groove 227, a connecting portion 228 is arranged in the clamping groove 227, one end of the tension spring is connected with the connecting portion 228 through a screw, and the other end of the tension spring is connected with the fixing groove through a screw, which is not limited to this. The scraper component 2 is connected with the scraper 22 by adopting an elastic piece, lays a foundation for the subsequent vertical displacement of the scraper 22 regulated by the regulating mechanism 23, effectively improves the regulating smoothness and is beneficial to improving the printing efficiency.

The adjusting mechanism 23 is used for adjusting the vertical displacement of the scraper 22, so that the distance between the scraper 22 and the slurry can be effectively adjusted, the requirements of different 3D printers can be met, the thickness of each layer of printing slurry can be adjusted, and the printing precision can be further effectively improved. Specifically, in this embodiment, the two adjusting mechanisms 23 are micrometer, and two through holes (shown in the figure) matched with the micrometer are provided on the fixing frame 21, the micrometer passes through the through holes and is in butt joint with the top of the scraper 22, and the vertical displacement of the scraper 22 can be adjusted by adjusting the micrometer, so that the distance between the scraper 22 and the slurry can be effectively adjusted, so as to achieve the thickness of each layer of printing slurry required, and the printing precision can be effectively improved.

Based on the ceramic 3D printing equipment with the technical characteristics, the scraper component 2 can effectively adjust the vertical displacement of the scraper 22 through the cooperation of the elastic piece and the adjusting mechanism 23, and effectively adjust the distance between the scraper 22 and the slurry when the slurry is scraped, so that the requirements of different 3D printers are met.

As shown in fig. 7-8, the utility model further comprises a connecting piece 7, wherein the connecting piece 7 comprises an adapter 71 and a fixed seat 72 which are connected in sequence; the adapter 71 is connected with the fixing frame 21, and the fixing seat 72 is connected with the conveying assembly 4.

The driving mechanism 6 comprises a motor 61 arranged on the back surface of the base 41, a bearing bracket 62, and a driving shaft 63 which transversely penetrates through the bearing bracket 62 and is respectively connected with the conveying assembly 5 at two ends.

The conveying assembly 5 comprises a driven wheel 51, a synchronous belt 52, a guide rail 53, a sliding block 54 which is in sliding connection with the guide rail 53 and a synchronous belt locker 55 which are arranged on the back surface of the base 41; the driven wheel 51 is sleeved on the driving shaft 63, the sliding block 54 is connected with the fixed seat 72, and the fixed seat 72 is connected with the synchronous belt 52. The synchronous belt locker 55 is used for locking the synchronous belt 52, so that the movement of the synchronous belt 52 is effectively and accurately controlled, and the movement precision is improved. Specifically, in the present embodiment, one end of the fixed seat 72 passes through the movable slot 411 to be connected with the connection seat 71, and the other end is connected with the slider 54, while the middle part of the fixed seat 72 is connected with the synchronous belt 52 through the fixing member 74, so as to lay a foundation for the synchronous belt 52 to move to drive the fixed seat 72 to move on the guide rail 53. The motor 61 drives the driving shaft 63 to rotate, drives the driven wheel 51 to rotate, so that the synchronous belt 52 moves, and further drives the fixing seat 72 to move back and forth on the guide rail 53, so as to drive the scraper assembly 2 to move.

In order to more effectively support the scraper assembly 2, in this embodiment, the connection seat 71 is connected with the support drag chain 8 through the connection rod 73, one can effectively support the scraper assembly 2, the stability and smoothness of the scraper assembly 2 in the operation process can be improved, and the three can effectively collect wires, transmission lines and other lines, so that the attractive appearance of the product is improved.

The base 41 is provided with a movable slot 411, the fixed seat 72 is connected with the adapter 71 by passing through the movable slot 411, and the movable slot 411 is pre-provided with a space for moving the fixed seat 72.

Specifically, a liftable forming platform 44 is arranged in the forming cylinder 43; the molding assembly 4 further comprises a lifting mechanism (not shown in the figure) for lifting the molding platform 44, and the molding platform 44 can be driven to move up and down by the lifting mechanism, so that smooth printing is ensured. Further, in the present embodiment, the lifting mechanism is an air cylinder, and not limited thereto, and in another embodiment of the present utility model, the lifting mechanism includes a guide rail, a slider, a push rod and a driving motor, the push rod is connected with the slider, and the driving motor drives the slider to move on the guide rail to drive the push rod to move, so that the forming platform 44 moves up and down.

Specifically, the peristaltic mechanism 32 includes a conveying pipe 321, a peristaltic pump 322 for controlling the conveying speed of the slurry in the conveying pipe 321, and a driving member 323 for driving the peristaltic pump 322, where the conveying pipe 321 is used to convey the slurry in the feeding cylinder 31 to the tray 42, and the driving member 323 is used to drive the peristaltic pump 322 to effectively control the conveying speed of the slurry in the conveying pipe 321, so that the slurry in the feeding cylinder 31 can be effectively conveyed to the tray 42 through the conveying pipe 321, and the circulation feeding is ensured, the conveying stability is high, the printing speed is faster, the printing efficiency is higher, and the peristaltic pump is suitable for printing industrial large-size samples.

Further, the feeding assembly 3 further includes a adaptor 33 connected to the conveying pipe 321, a adaptor 331 connected to the conveying pipe 321 is disposed on the adaptor 33, slurry in the feeding cylinder 31 sequentially passes through the conveying pipe 321, the adaptor 331 and the adaptor 33 and enters the tray 42, and the adaptor 33 is disposed on one side of the tray 42. Specifically, in this embodiment, the tray 42 is provided with a peripheral edge 422, and the peripheral edge 422 is used for accommodating the slurry overflowing from the feeding cylinder 31 and the forming cylinder 43, so that the slurry leakage can be effectively prevented, and the utilization rate of the slurry is further improved. Meanwhile, lugs (not shown in the figure) are arranged on two sides of the adapter piece 33, and the adapter piece 33 is fixedly connected with the surrounding edge 422 through the lugs, so that stability in the conveying process of the conveying pipe 321 can be effectively guaranteed, and conveying precision is guaranteed. In this embodiment, the base 41 is provided with a through hole, one end of the conveying pipe 321 extends into the feeding cylinder 31 through the through hole, the other end is connected with the adaptor 33 through the adaptor 331, and not limited thereto, in another embodiment of the present utility model, one end of the conveying pipe 321 is connected with a slurry output port provided at the bottom of the feeding cylinder 31, and the other end is connected with a slurry input port provided on the tray 42.

The tray 42 is equipped with the overflow hole 423 that is used for overflow unnecessary thick liquids, and one side of keeping away from the adaptor 33 is located to overflow hole 423, overflow hole 423 is located the below of feed cylinder 31, when scraper 22 moves the thick liquids of adaptor 33 inflow tray 42 to shaping jar 43 to after will need the thick liquids strickle to shaping jar 43, scraper 22 keeps the same direction of motion to keep moving through overflow hole 423, can carry out the backward flow to the feed cylinder 31 through overflow hole 423 to unnecessary thick liquids effectively, and then effectively improves the cyclic utilization of thick liquids. Preferably, the overflow holes 423 are provided with a filter screen, so that the fineness of the recycled slurry can be ensured to meet the requirement, and meanwhile, particles generated by mistakenly scraping the sample molded in the molding cylinder 43 by the scraper 22 are prevented from affecting the slurry, so that the printing quality is improved.

Ceramic 3D printing equipment based on above-mentioned technical characteristics adopts peristaltic mechanism 32, overflow aperture 423 and the cooperation of adaptor 33, and one can guarantee the circulation peristaltic motion of thick liquids, and the stability can be high in the thick liquids transportation, and both effectively improve the printing speed, and then further improve printing efficiency, is applicable to the printing of industrial-grade jumbo size sample.

In order to improve the smoothness of printing, the base 41 is further provided with a buffer tank 412 for storing the slurry conveyed by the conveying pipe 321, the buffer tank 412 is arranged below the adapter 33, correspondingly, the corresponding part of the material tray 42 and the buffer tank 412 is hollowed, the buffer tank 412 can effectively accommodate a certain amount of slurry, the conveying speed of the slurry is controlled through the peristaltic mechanism 32, the circulating feeding of the equipment can be effectively ensured, the feeding precision of the slurry is effectively improved, and the printing precision and the printing quality are further improved.

It should be noted that, the surface projection assembly 1 is a projection optical machine, the optical precision can reach 25 μm, and the model is not limited to the texas instrument TI-4K, and in another embodiment of the present utility model, the model of the projection optical machine is texas instrument TI-1080P. The first lifting mechanism 7 is controlled by the control module to realize the up-and-down movement of the projection optical machine, namely the utility model has the precision adjustability and can realize the multi-precision printing of the same equipment.

In this embodiment, the printing apparatus further includes a control module, which is electrically connected to the surface projection assembly 1, the doctor assembly 2, the feeding assembly 3, the forming assembly 4, the conveying assembly 5, the driving mechanism 6, and the lifting mechanism 45, respectively, so as to improve the printing accuracy and the printing efficiency. Specifically, the control module is preferably a single-chip microcomputer, and the model of the single-chip microcomputer is such as STM32F103C8T6, not limited to the single-chip microcomputer.

According to the ceramic 3D printing equipment, the control module and the components are matched, the thickness resolution of the printed layer is 0.1-150 mu m, and particularly, the thickness resolution of the printed layer is 1-150 mu m, so that the printing precision of each layer can be effectively improved, and the printing efficiency and the printing quality are further improved.

The working principle of the utility model is as follows:

when printing, the needed slurry is added to the feeding cylinder 31, the control module controls the driving piece 323 to drive the peristaltic pump 322 to operate, and the slurry in the feeding cylinder 31 is conveyed to the adapter 33 through the conveying pipe 321 under the action of the peristaltic mechanism 32 and enters the tray 42 through the adapter 331. At this time, the control module drives the lifting mechanism to move upwards, so that the forming platform 44 is lifted to a preset position; and simultaneously, the motor 61 drives the driving shaft 63 to rotate, drives the driven wheel 51 to rotate, so that the synchronous belt 52 moves, and further drives the fixed seat 72 to move back and forth on the guide rail 53, so as to realize that the slurry on the material tray 42 is scraped onto the forming platform 44 by the driving scraper 22, and the layer of slurry on the forming platform 44 is scanned and solidified according to a preset pattern under the action of the surface projection assembly 1, so that the printing of the layer is completed. Repeating the steps to finish printing.

The above disclosure is only a preferred embodiment of the present utility model, and it is needless to say that the scope of the utility model is not limited thereto, and therefore, the equivalent changes according to the claims of the present utility model still fall within the scope of the present utility model.

Claims

1. The ceramic 3D printing equipment is characterized by comprising a frame, and a surface projection assembly, a scraper assembly, a feeding assembly, a forming assembly, a conveying assembly and a driving mechanism which are arranged in the frame, wherein the surface projection assembly and the scraper assembly are arranged above the forming assembly;

2. The ceramic 3D printing device of claim 1, wherein the peristaltic mechanism comprises a delivery tube, a peristaltic pump for controlling a delivery rate of the slurry within the delivery tube, and a drive for driving the peristaltic pump;

3. The ceramic 3D printing apparatus of claim 2, wherein the feed assembly further comprises an adapter connected to the delivery tube, the adapter being provided on one side of the tray.

4. A ceramic 3D printing device according to claim 3, wherein the adaptor is provided with an adaptor opening for connection with the delivery tube.

5. A ceramic 3D printing device according to claim 3, wherein the base is further provided with a buffer tank for storing the slurry transported by the transport tube, the buffer tank being provided below the adapter.

6. The ceramic 3D printing device according to claim 1, wherein the tray is provided with overflow holes for overflow of excess slurry, the overflow holes being provided above the feed cylinder.

7. The ceramic 3D printing device of claim 1, further comprising a connector comprising a adaptor and a holder connected in sequence;

the adapter is connected with the fixing frame;

the fixing seat is connected with the conveying assembly.

8. The ceramic 3D printing apparatus of claim 7, wherein the driving mechanism comprises a motor provided on the back surface of the base, a bearing bracket, a driving shaft transversely penetrating through the bearing bracket and having both ends respectively connected with the conveying assembly;

9. The ceramic 3D printing apparatus of claim 1, wherein the doctor blade assembly further comprises a resilient member and an adjustment mechanism;

10. Ceramic 3D printing equipment according to any of claims 1-9, characterized in that a liftable forming platform is arranged in the forming cylinder;