Photocuring 3D printing slurry supply device

Abstract

The utility model relates to the field of slurry supply devices, in particular to a photocuring 3D printing slurry supply device which comprises a supporting assembly. The device further comprises a bearing assembly, a stirring assembly, a feeding assembly, an air exhaust assembly and an air outlet assembly. The stirring assembly is started to stir the interior of the containing assembly, the feeding assembly is started to output stirred materials through the feeding assembly, and before conveying, the air exhaust assembly is started to exhaust air in the containing assembly, so that feeding and stirring of the materials are facilitated; the problems that for a lot of metal or ceramic powder, an existing photocuring 3D printing slurry supply device cannot ensure that precipitation is not generated after a dispersing agent is added, and slurry precipitation cannot be solved through stirring are solved.

Description

Technical Field

[0001] The utility model belongs to the field of slurry supply devices, and in particular relates to a photocuring 3D printing slurry supply device. Background Art

[0002] At present, the application prospects of metal and ceramic photocuring additive manufacturing technology are very broad. The stability of consumables of this type of technology has always been one of the key technologies for the engineering application of this technology. The mixed slurry of metal and ceramic powder particles and photocuring resin system is more prone to precipitation, which affects the quality of printing, especially for large-format and long-term photocuring printing needs. The current main solution is to optimize and modify the slurry by adding dispersants, etc., to improve its stability and reduce its precipitation ability. However, for many metal or ceramic powders, it cannot be guaranteed that precipitation will not occur after adding dispersants, and the problem of slurry precipitation cannot be solved by stirring. Utility Model Content

[0003] In order to overcome the problem that the existing light-curing 3D printing slurry supply device cannot guarantee that no precipitation will occur after adding the dispersant for many metal or ceramic powders, and the slurry precipitation problem cannot be solved by stirring.

[0004] The technical scheme of the utility model is: a photocuring 3D printing slurry supply device, including a supporting assembly; also including a containing assembly, a stirring assembly, a feeding assembly, an exhaust assembly and an exhaust assembly; the upper end of the supporting assembly is provided with a containing assembly for containing materials; the containing assembly is provided with a stirring assembly for stirring; the lower end of the containing assembly is provided with a feeding assembly for feeding; the upper end of the supporting assembly is provided with an exhaust assembly for exhausting air and an exhaust assembly for exhausting air, the supporting assembly includes a supporting plate and a through hole; through holes are provided in the center of the upper and lower ends of the supporting plate, and the setting of the supporting plate facilitates the movement of the device, the containing assembly includes a containing tank, a first discharge pipe, a mounting tube, a first solid The fixing cylinder, the injection pipe, the first electric valve, the injection hopper, the fixed pipe and the second electric valve; the upper center of the support plate is fixedly connected with a holding tank; the lower end of the holding tank is fixedly connected with a first discharge pipe; the first discharge pipe is located inside the through hole; the upper inner wall of the holding tank is threadedly mounted with a mounting cylinder; the upper center of the mounting cylinder is fixedly connected with a first fixed cylinder; the upper end of the mounting cylinder is through-fixed with an injection pipe and a fixed pipe symmetrical to the first fixed cylinder; the injection pipe is provided with a first electric valve; the fixed pipe is provided with a second electric valve; the upper end of the injection pipe is fixedly connected with an injection hopper, through which materials can be fed into the injection pipe, and materials such as metal or ceramic powder can be quickly put into the holding tank for stirring, and the stirring assembly includes a fixed plate, a motor, A rotating column, a second fixed cylinder and a stirring block; a fixed disk is fixedly connected to the inner wall of the first fixed cylinder; a motor is fixedly connected to the upper end of the fixed disk; the lower end of the output shaft of the motor passes through the fixed disk and is fixedly connected to the rotating column; a plurality of second fixed cylinders are fixedly connected to the lower part of the outer wall of the rotating column; the outer wall of the second fixed cylinder is fixedly connected to evenly distributed stirring blocks, and the motor is turned on to rotate the rotating column, the rotating column drives the second fixed cylinder to rotate, and the second fixed cylinder drives the stirring block to rotate, so that the inside of the holding tank can be stirred, and the feeding assembly includes a feeding tank, an air inlet groove, a second discharge pipe, a third electric valve, a third fixed cylinder, a first arc block, a second arc block, a fourth fixed cylinder, a connecting block and a spiral leaf; the lower end of the support plate is fixedly connected to the feeding tank; the feeding An air inlet groove is provided through the upper end of the tank; the inner wall of the air inlet groove is fixedly connected to the outer wall of the first discharge pipe; the lower end of the feeding tank is fixedly connected to the second discharge pipe; the second discharge pipe is provided with a third electric valve; the lower end of the rotating column extends to the interior of the feeding tank; the lower part of the outer wall of the rotating column is fixedly connected to the third fixed cylinder; the outer wall of the third fixed cylinder is fixedly connected to the first arc block; the inner wall of the feeding tank is fixedly connected to the second arc block; the first arc block is one-half of the circular ring; the second arc block is two-thirds of the circular ring; the lower end of the first arc block and the upper end of the second arc block fit together; two connecting blocks are fixedly connected to the inner wall of the feeding tank; the fourth fixed cylinder is fixedly connected to one end of the two connecting blocks close to the rotating column; the inner wall of the fourth fixed cylinder fits together with the outer wall of the rotating column;The lower part of the outer wall of the rotating column is fixed with a spiral blade. When the rotating column rotates, it will drive the first arc block to rotate. When the first arc block rotates, the mixed material will fall downward through the gap between the first arc block and the second arc block when the first arc block rotates. Otherwise, it will accumulate at the upper ends of the first arc block and the second arc block. When the rotating column rotates, it will also drive the spiral blade to rotate, which can facilitate the slurry to be sent downward. ;

[0005] Preferably, the material is put into the containing component through the containing component, and then the stirring component is turned on to stir the inside of the containing component. The feeding component can be turned on to output the stirred material through the feeding component. Before transportation, the exhaust component can be turned on to exhaust the air in the containing component, which is beneficial to the feeding and stirring of the material. After the feeding is completed, the air outlet component is turned on to inject air pressure into the containing component, and the material in the containing component can be pressed downward, thereby solving the problem that the existing light-curing 3D printing slurry supply device cannot guarantee that no precipitation will occur after the dispersant is added for many metal or ceramic powders, and the slurry precipitation problem cannot be solved by stirring.

[0006] Preferably, the vacuum assembly includes a vacuum pump and a first connecting pipe; the upper end of the support plate is fixedly connected to the vacuum pump; the first connecting pipe is fixedly connected to the vacuum port of the vacuum pump; the outer wall of the other end of the first connecting pipe is fixedly connected to the inner wall of the fixed pipe, and when it is necessary to extract gas into the interior of the container, the vacuum pump can be turned on to extract the gas in the container.

[0007] Preferably, the gas outlet assembly includes an air injection pump and a second connecting pipe; the upper end of the support plate is fixedly connected to the air injection pump; the second connecting pipe is fixedly connected to the air outlet port of the air injection pump; the outer wall of the other end of the second connecting pipe is fixedly connected to the inner wall of another fixed pipe. When it is necessary to inject gas into the interior of the container, the air injection pump is turned on to allow the gas to be injected into the container, which can squeeze the material in the container and help to press the material in the container downward.

[0008] Beneficial effects of the utility model:

[0009] 1. Materials can be fed into the injection tube through the injection hopper, and materials such as metal or ceramic powder can be quickly put into the holding tank for stirring. The motor is turned on to rotate the rotating column, and the rotating column drives the second fixed cylinder to rotate. The second fixed cylinder drives the stirring block to rotate, and the inside of the holding tank can be stirred. When the rotating column rotates, it will drive the first arc block to rotate. When the first arc block rotates, the mixture will fall downward through the gap generated by the first arc block and the second arc block when the first arc block rotates. Otherwise, it will accumulate at the upper ends of the first arc block and the second arc block. When the rotating column rotates, it will also drive the spiral blade to rotate, which can facilitate the slurry to be sent downward, solving the problem that the existing light-curing 3D printing slurry supply device cannot guarantee that no precipitation will occur after adding the dispersant for many metal or ceramic powders, and the slurry precipitation cannot be solved by stirring;

[0010] 2. When it is necessary to extract gas from the inside of the tank, the vacuum pump can be turned on to extract the gas in the tank, which can avoid excessive air inside the tank. By setting up multiple electric valves, it is convenient to seal and discharge the material;

[0011] 3. When it is necessary to inject gas into the container, turn on the gas injection pump to inject gas into the container, which can squeeze the material in the container and help press the material in the container downward, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 What is shown is a three-dimensional structural schematic diagram of a light-curing 3D printing slurry supply device of the utility model;

[0013] Figure 2 The three-dimensional structure diagram of the support component, the air extraction component and the air outlet component of a light-curing 3D printing slurry supply device of the utility model is shown;

[0014] Figure 3 What is shown is a three-dimensional structural schematic diagram of a receiving component of a light-curing 3D printing slurry supply device of the utility model;

[0015] Figure 4 The present invention shows a three-dimensional structure schematic diagram of a stirring assembly of a light-curing 3D printing slurry supply device;

[0016] Figure 5 What is shown is a three-dimensional structural schematic diagram of a feeding component of a photocuring 3D printing slurry feeding device of the utility model;

[0017] Figure 6 What is shown is a schematic diagram of the internal three-dimensional structure of a feeding component of a photocuring 3D printing slurry supply device of the present invention.

[0018] The markings in the accompanying drawings are: 1-support assembly, 101-support plate, 102-through hole, 2-carrying assembly, 201-carrying tank, 202-first discharge pipe, 203-installation cylinder, 204-first fixed cylinder, 205-injection pipe, 206-first electric valve, 207-injection hopper, 208-fixed pipe, 209-second electric valve, 3-stirring assembly, 301-fixed plate, 302-motor, 303-rotating column, 304-second fixed cylinder, 305-stirring block, 4-feeding assembly, 401-feeding tank, 402-air inlet groove, 403-second discharge pipe, 404-third electric valve, 405-third fixed cylinder, 406-first arc block, 407-second arc block, 408-fourth fixed cylinder, 409-connecting block, 410-spiral blade, 5-vacuum assembly, 501-vacuum pump, 502-first connecting pipe, 6-air outlet assembly, 601-air injection pump, 602-second connecting pipe. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1-Figure 6 The utility model provides an embodiment: a photocuring 3D printing slurry supply device, including a supporting component 1; also including a containing component 2, a stirring component 3, a feeding component 4, an exhaust component 5 and an exhaust component 6; the upper end of the supporting component 1 is provided with a containing component 2 for containing materials; the containing component 2 is provided with a stirring component 3 for stirring; the lower end of the containing component 2 is provided with a feeding component 4 for feeding; the upper end of the supporting component 1 is provided with an exhaust component 5 for exhausting air and an exhaust component 6 for exhausting air.

[0021] See also Figure 2 In this embodiment, the support assembly 1 includes a support plate 101 and a through hole 102 ; the through hole 102 is formed through the center of the upper and lower ends of the support plate 101 .

[0022] See also Figure 3In this embodiment, the container assembly 2 includes a container 201, a first discharge pipe 202, a mounting cylinder 203, a first fixed cylinder 204, a filling pipe 205, a first electric valve 206, a filling hopper 207, a fixed pipe 208 and a second electric valve 209; the container 201 is fixedly connected to the center of the upper end of the support plate 101; the first discharge pipe 202 is fixedly connected to the lower end of the container 201; the first discharge pipe 202 is located inside the through hole 102. The inner wall of the upper end of the containing tank 201 is threadedly mounted with a mounting cylinder 203; the center of the upper end of the mounting cylinder 203 is fixedly connected with a first fixed cylinder 204; the upper end of the mounting cylinder 203 is through-fixed with an injection pipe 205 and a fixed pipe 208 symmetrical with respect to the first fixed cylinder 204; the injection pipe 205 is provided with a first electric valve 206; the fixed pipe 208 is provided with a second electric valve 209; the upper end of the injection pipe 205 is fixedly connected with an injection hopper 207.

[0023] See also Figure 4 In this embodiment, the stirring assembly 3 includes a fixed disk 301, a motor 302, a rotating column 303, a second fixed cylinder 304 and a stirring block 305; the inner wall of the first fixed cylinder 204 is fixedly connected to the fixed disk 301; the upper end of the fixed disk 301 is fixedly connected to the motor 302; the lower end of the output shaft of the motor 302 passes through the fixed disk 301 and is fixedly connected to the rotating column 303; a plurality of second fixed cylinders 304 are fixedly connected to the lower part of the outer wall of the rotating column 303; the outer wall of the second fixed cylinder 304 is fixedly connected to the stirring blocks 305 distributed evenly.

[0024] See also Figure 5 and Figure 6In this embodiment, the feeding assembly 4 includes a feeding tank 401, an air inlet groove 402, a second discharge pipe 403, a third electric valve 404, a third fixed cylinder 405, a first arc block 406, a second arc block 407, a fourth fixed cylinder 408, a connecting block 409 and a spiral leaf 410; the lower end of the support plate 101 is fixedly connected with the feeding tank 401; the upper end of the feeding tank 401 is penetrated by an air inlet groove 402; the inner wall of the air inlet groove 402 is fixedly connected to the outer wall of the first discharge pipe 202; the lower end of the feeding tank 401 is fixedly connected with the second discharge pipe 403; the second discharge pipe 403 is provided with a third electric valve 404; the lower end of the rotating column 303 extends to the inside of the feeding tank 401 ; A third fixed cylinder 405 is fixedly connected to the lower part of the outer wall of the rotating column 303; a first arc block 406 is fixedly connected to the outer wall of the third fixed cylinder 405; a second arc block 407 is fixedly connected to the inner wall of the feeding tank 401; the first arc block 406 is one-half of a circular ring; the second arc block 407 is two-thirds of a circular ring; the lower end of the first arc block 406 and the upper end of the second arc block 407 fit together; two connecting blocks 409 are fixedly connected to the inner wall of the feeding tank 401; the fourth fixed cylinder 408 is fixedly connected to one end of the two connecting blocks 409 close to the rotating column 303; the inner wall of the fourth fixed cylinder 408 fits together with the outer wall of the rotating column 303; a spiral leaf 410 is fixedly connected to the lower part of the outer wall of the rotating column 303.

[0025] See also Figure 2 In this embodiment, the vacuum component 5 includes a vacuum pump 501 and a first connecting pipe 502; the vacuum pump 501 is fixedly connected to the upper end of the support plate 101; the first connecting pipe 502 is fixedly connected to the vacuum port of the vacuum pump 501; the outer wall of the other end of the first connecting pipe 502 is fixedly connected to the inner wall of the fixed pipe 208, and the gas outlet component 6 includes an injection pump 601 and a second connecting pipe 602; the vacuum pump 601 is fixedly connected to the upper end of the support plate 101; the second connecting pipe 602 is fixedly connected to the gas outlet port of the injection pump 601; the outer wall of the other end of the second connecting pipe 602 is fixedly connected to the inner wall of another fixed pipe 208.

[0026] When working, first, materials can be fed into the injection pipe 205 through the injection hopper 207, and materials such as metal or ceramic powder can be quickly put into the holding tank 201 for stirring;

[0027] Next, the motor 302 is turned on to rotate the rotating column 303, and the rotating column 303 drives the second fixed cylinder 304 to rotate, and the second fixed cylinder 304 drives the stirring block 305 to rotate, so that the inside of the container 201 can be stirred. When the rotating column 303 rotates, it will drive the first arc block 406 to rotate. When the first arc block 406 rotates, the mixed material will fall downward through the gap generated by the first arc block 406 and the second arc block 407 when the first arc block 406 rotates. Otherwise, it will accumulate at the upper ends of the first arc block 406 and the second arc block 407. When the rotating column 303 rotates, it will also drive the spiral blade 410 to rotate, so that the slurry can be easily sent downward;

[0028] When it is necessary to extract gas from the interior of the container 201, the vacuum pump 501 can be turned on to extract the gas from the container 201. When it is necessary to inject gas into the interior of the container 201, the injection pump 601 is turned on to inject gas into the container 201, which can squeeze the material in the container 201 and help press the material in the container 201 downward.

[0029] Through the above steps, the material is put into the containing component 2 through the containing component 2, and then the stirring component 3 is turned on to stir the containing component 2. The feeding component 4 can be turned on to output the stirred material through the feeding component 4. Before transportation, the exhaust component 5 can be turned on to exhaust the air in the containing component 2, which is conducive to the feeding and stirring of the material. After the feeding is completed, the air outlet component 6 is turned on to inject air pressure into the containing component 2, and the material in the containing component 2 can be pressed downward, thereby solving the problem that the existing light-curing 3D printing slurry supply device cannot guarantee that no precipitation will occur after the dispersant is added for many metal or ceramic powders, and the slurry precipitation problem cannot be solved by stirring.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A photocuring 3D printing slurry supply device, comprising a support assembly (1); characterized in that: The invention also comprises a receiving assembly (2), a stirring assembly (3), a feeding assembly (4), an exhaust assembly (5) and an exhaust assembly (6); the upper end of the supporting assembly (1) is provided with a receiving assembly (2) for receiving materials; the receiving assembly (2) is provided with a stirring assembly (3) for stirring; the lower end of the receiving assembly (2) is provided with a feeding assembly (4) for feeding materials; the upper end of the supporting assembly (1) is provided with an exhaust assembly (5) for exhausting air and an exhaust assembly (6) for exhausting air; the supporting assembly (1) comprises a supporting plate (101) and a through hole (102); the through hole (102) is provided through the center of the upper and lower ends of the supporting plate (101); the receiving assembly (2) comprises a receiving tank (201), a first exhaust pipe (202), a mounting tube (203), and a first exhaust pipe (204). (203), a first fixed cylinder (204), an injection pipe (205), a first electric valve (206), an injection hopper (207), a fixed pipe (208) and a second electric valve (209); a holding tank (201) is fixedly connected to the center of the upper end of the support plate (101); a first discharge pipe (202) is fixedly connected to the lower end of the holding tank (201); the first discharge pipe (202) is located inside the through hole (102); a mounting cylinder (203) is threadedly mounted on the inner wall of the upper end of the holding tank (201); a first fixed cylinder (204) is fixedly connected to the center of the upper end of the mounting cylinder (203); an injection pipe (205) and a fixed pipe (208) symmetrical with respect to the first fixed cylinder (204) are fixedly connected to the upper end of the mounting cylinder (203); the injection pipe (205) and the fixed pipe (208) are through-type fixedly connected to the upper end of the mounting cylinder (203); 5) is provided with a first electric valve (206); a second electric valve (209) is provided on the fixed pipe (208); the upper end of the injection pipe (205) is fixedly connected to the injection hopper (207), and the stirring assembly (3) includes a fixed disk (301), a motor (302), a rotating column (303), a second fixed cylinder (304) and a stirring block (305); the inner wall of the first fixed cylinder (204) is fixedly connected to the fixed disk (301); the upper end of the fixed disk (301) is fixedly connected to the motor (302); the lower end of the output shaft of the motor (302) passes through the fixed disk (301) and is fixedly connected to the rotating column (303); a plurality of second fixed cylinders (304) are fixedly connected to the lower part of the outer wall of the rotating column (303); the outer wall of the second fixed cylinder (304) is fixedly connected to a uniform The stirring blocks (305) are distributed, and the feeding assembly (4) includes a feeding tank (401), an air inlet groove (402), a second discharge pipe (403), a third electric valve (404), a third fixed cylinder (405), a first arc block (406), a second arc block (407), a fourth fixed cylinder (408), a connecting block (409) and a spiral blade (410); the lower end of the support plate (101) is fixedly connected to the feeding tank (401); the upper end of the feeding tank (401) is penetrated by an air inlet groove (402); the inner wall of the air inlet groove (402) is fixedly connected to the outer wall of the first discharge pipe (202); the lower end of the feeding tank (401) is fixedly connected to the second discharge pipe (403); the second discharge pipe (403) is provided with a third electric valve (404);The lower end of the rotating column (303) extends to the interior of the feeding tank (401); a third fixed cylinder (405) is fixedly connected to the lower part of the outer wall of the rotating column (303); a first arc block (406) is fixedly connected to the outer wall of the third fixed cylinder (405); a second arc block (407) is fixedly connected to the inner wall of the feeding tank (401); the first arc block (406) is one-half of a circular ring; the second arc block (407) is two-thirds of a circular ring; The lower end of an arc block (406) fits with the upper end of a second arc block (407); two connecting blocks (409) are fixedly connected to the inner wall of the feeding tank (401); a fourth fixed cylinder (408) is fixedly connected to one end of the two connecting blocks (409) close to the rotating column (303); the inner wall of the fourth fixed cylinder (408) fits with the outer wall of the rotating column (303); a spiral blade (410) is fixedly connected to the lower part of the outer wall of the rotating column (303).

2. A photocurable 3D printing slurry supply device according to claim 1, characterized in that: The air extraction component (5) comprises an air extraction pump (501) and a first connecting pipe (502); the upper end of the support plate (101) is fixedly connected to the air extraction pump (501); the first connecting pipe (502) is fixedly connected to the air extraction port of the air extraction pump (501); The outer wall of the other end of the first connecting tube (502) is fixedly connected to the inner wall of the fixed tube (208).

3. A photocurable 3D printing slurry supply device according to claim 1, characterized in that: The gas outlet assembly (6) comprises a gas injection pump (601) and a second connecting pipe (602); the gas injection pump (601) is fixedly connected to the upper end of the support plate (101); the second connecting pipe (602) is fixedly connected to the gas outlet port of the gas injection pump (601); The outer wall of the other end of the second connecting tube (602) is fixedly connected to the inner wall of another fixed tube (208).

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