CN116945323A - Extrusion mechanism for concrete 3D printer - Google Patents
Extrusion mechanism for concrete 3D printer Download PDFInfo
- Publication number
- CN116945323A CN116945323A CN202311114743.7A CN202311114743A CN116945323A CN 116945323 A CN116945323 A CN 116945323A CN 202311114743 A CN202311114743 A CN 202311114743A CN 116945323 A CN116945323 A CN 116945323A
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- wall
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- fixedly connected
- printer
- water storage
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- 238000001125 extrusion Methods 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000003756 stirring Methods 0.000 claims description 28
- 238000007605 air drying Methods 0.000 claims description 15
- 230000005389 magnetism Effects 0.000 claims description 15
- 238000000746 purification Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims 2
- 238000007639 printing Methods 0.000 abstract description 15
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 76
- 239000000428 dust Substances 0.000 description 19
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000010146 3D printing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/04—Exhausting or laying dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention discloses an extrusion mechanism for a concrete 3D printer, which comprises a numerical control frame, wherein a 3D printer is arranged on the outer wall of the numerical control frame, a connecting column is fixedly connected to the bottom of the 3D printer, an extrusion groove is formed in the inner wall of the connecting column, a lifting push rod is arranged at the bottom of the 3D printer, a purifying mechanism is arranged at the bottom of the 3D printer, the printing technical field is related, the purifying mechanism is arranged in the water storage frame, air entering the water storage frame is filtered and purified through water filled in advance, so that the air extruded into the water storage frame from the sliding sleeve is cleaner and dustless, after entering the water storage frame, the air is sprayed out through an air spraying pipe and a unidirectional air spraying head communicated with the inner wall of the water storage frame, the extrusion liquid for extrusion printing is blown away in real time, and the problem of the accuracy of the whole printing form is reduced due to the fact that more water after extrusion is collapsed is prevented.
Description
Technical Field
The invention relates to the technical field of printing, in particular to an extrusion mechanism for a concrete 3D printer.
Background
The 3D concrete printing technology is a new technology developed on the basis of the 3D printing technology and applied to concrete construction, and the main working principle of the technology is that the prepared concrete slurry passes through a foundation device, is extruded by a nozzle to print under the control of three-dimensional software according to a preset printing program, and finally the designed concrete member is obtained;
a 3D concrete printing nozzle device described in the patent application with reference to publication number CN216831445U, in particular to a 3D concrete printing nozzle device, which comprises a main body sleeve and a buckle device on the side wall of the main body sleeve; the auxiliary device is connected with the main body sleeve through the clamping device, and the nozzle is positioned at the lower end of the main body sleeve and communicated with the main body sleeve; the top of the main body sleeve is provided with a motor, the inner cavity is provided with a spiral stirring shaft, the upper end of the spiral stirring shaft is connected with a rotor of the motor in an embedded manner, a feeding cylinder communicated with the main body sleeve is arranged in the inner cavity, and the inner cavity is also provided with a stirring screw, and the upper end of the stirring screw is in embedded connection with the lower end of the spiral stirring shaft; the nozzle is connected with the lower end of the sleeve outer ring through threads; the spiral stirring shaft in the inner cavity of the main body sleeve is of a double-spiral structure;
when concrete is subjected to fine 3D printing, the operation process is slower when the concrete is extruded from the point to point usually, when the first layer is not fully spotted yet easily, a large amount of residues in factory air can fly on the concrete, so that the 3D printing precision of the concrete is influenced, and when the wet concrete is subjected to 3D printing construction, the precision of the integral deformation of the model during 3D printing can be further influenced along with downward collapse of gravity.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an extrusion mechanism for a concrete 3D printer, which achieves the aim of solving the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the extrusion mechanism for the concrete 3D printer comprises a numerical control frame, wherein a 3D printer is arranged on the outer wall of the numerical control frame, a connecting column is fixedly connected to the bottom of the 3D printer, an extrusion groove is formed in the inner wall of the connecting column, a lifting push rod is arranged at the bottom of the 3D printer, and a purifying mechanism is arranged at the bottom of the 3D printer;
the purification mechanism includes:
the plane bearing A is of a circular annular structure, the top of the plane bearing A is fixedly connected with the bottom of the connecting column, the bottom of the plane bearing A is rotationally connected with an internal thread ring, the bottom of the internal thread ring is rotationally connected with a plane bearing B, the bottom of the plane bearing B is rotationally connected with a water storage frame, the bottom of the plane bearing B is fixedly connected with another connecting column, the bottom of the other connecting column is fixedly connected with an extrusion head, the bottom of the extrusion head is fixedly connected with an extrusion nozzle, and the plane bearing A is used for connecting the connecting column with the internal thread ring;
the spliced pole, the spliced pole is rectangular round bar, spliced pole one end and internal thread ring bottom fixed connection, spliced pole bottom fixedly connected with magnetic path A, water storage frame bottom fixedly connected with dead lever, the spliced pole is used for playing the effect of connecting the internal thread ring to stir the water of water storage frame inner wall and mix.
Preferably, the dead lever outer wall sliding connection has the slip cap, slip cap outer wall fixedly connected with magnetic path B, magnetic path B top fixedly connected with spring, spring one end and water storage frame bottom fixed connection to make and fix the spring.
Preferably, the outer wall of the water storage frame is fixedly connected with an air jet pipe, and one end of the air jet pipe is fixedly connected with a unidirectional air jet head, so that air drying and dust prevention are realized through air jet of the air jet head.
Preferably, the air suction hole is formed in the bottom of the sliding sleeve, the one-way valve is fixedly connected to the inner wall of the air suction hole, the inner wall of the air suction hole is communicated with the inner wall of the sliding sleeve, the air hole is formed in the bottom of the water storage frame, and the air drying mechanism is arranged on the inner wall of the water storage frame.
Preferably, the plane bearing a and the plane bearing B have magnetism, the magnetism on the opposite side of the plane bearing a and the plane bearing B is the magnetism of opposite poles attraction, and the magnetism on the opposite side of the magnetic block a and the magnetic block B is the magnetism of opposite poles attraction, so that the two magnets are mutually close through the magnetism of opposite poles attraction.
Preferably, the inner wall of the fixing rod is provided with a flow hole, and the inner wall of the flow hole is communicated with the inner wall of the air hole, so that air is communicated.
Preferably, the air drying mechanism comprises fan blades, the outer wall of the fan blades is fixedly connected with the outer wall of the inner threaded ring, the connecting column outer wall is fixedly connected with a stirring plate, a square groove is formed in the inner wall of the stirring plate, a hollow groove is formed in the inner wall of the water storage frame, the inner wall of the hollow groove is fixedly connected with a glass frame, the inner wall of the hollow groove is sealed through the glass frame, and the turbidity degree of water can be observed outside to determine whether replacement is needed.
Preferably, the air inlet end of the one-way valve is communicated with the outside of the sliding sleeve, the air outlet end of the one-way valve is communicated with the inner wall of the sliding sleeve, the air inlet end of the inner wall of the one-way jet head is communicated with the inner wall of the jet pipe, and the air outlet end of the one-way jet head is communicated with the outside of the one-way jet head, so that air is communicated and circulation of the air carries out one-way flow.
The invention provides an extrusion mechanism for a concrete 3D printer. The beneficial effects are as follows:
1. according to the invention, through the arrangement of the purification mechanism, air enters the air holes on the inner wall of the water storage frame through the circulation holes formed in the inner wall of the fixed rod and enters the water storage frame through the air holes, and the air entering the water storage frame is filtered and purified through the water filled in advance in the water storage frame, so that the air extruded into the water storage frame from the sliding sleeve is cleaner and cleaner, after entering the water storage frame, the air is sprayed out of the unidirectional air spraying head through the air spraying pipe communicated with the inner wall of the water storage frame, the extrusion liquid for extrusion printing is blown out in real time, redundant moisture in the extrusion liquid is blown away, and the problem of overall printing form accuracy reduction caused by collapse deformation of more moisture after extrusion is prevented.
2. According to the invention, the purification mechanism is arranged, when the magnetic block B is separated from the magnetic attraction of the magnetic block A, the magnetic block B is pushed to descend by the elasticity of the spring, so that the magnetic block B is pumped into the sliding sleeve through the one-way valve in the air suction hole formed in the bottom of the sliding sleeve, the sliding sleeve is continuously pumped outwards and then is subjected to air injection work through the one-way air injection head, dust purification after surrounding air is pumped is realized through water circulation entering the water storage frame, a large amount of dust and residues in a factory are prevented from floating in the air and are pumped into extrusion liquid through the one-way air injection head, the problem of turbidity of the extrusion liquid is caused, and the printing quality and the printing stability of three-dimensional printing are further improved.
3. According to the invention, the air drying mechanism is arranged, when the magnetic block A is driven to rotate through the connecting column, water in the water storage frame is stirred synchronously through the connecting column, and the water is fully stirred, so that dust in the water is fully and uniformly mixed everywhere in the water, the stability of purifying the air dust by the water for a long time is improved, and the wrapping and purifying effects on the dust are further improved through the movement of the water in the water storage frame.
4. According to the invention, the air drying mechanism is arranged, when the connecting column stirs water in the water storage frame, the stirring plate on the outer wall is driven to synchronously rotate to stir, the stirring area and stirring range of the water are improved, meanwhile, when the water is stirred, the water is continuously split through the square groove formed in the inner wall of the stirring plate, the dust area in the water is sufficiently separated and scattered, the mixing uniformity efficiency and speed of the water in the water storage frame are further improved, and bubbles rising in the water can be stirred through the square groove to form more small bubbles, so that the contact area of dust air and the water is improved, and the filtering efficiency of the air containing dust is further improved.
5. According to the invention, the air drying mechanism is arranged, the fan blades on the outer wall are synchronously driven to rotate when the inner thread ring rotates, the whole concrete is air-dried, and after the freshly extruded concrete is sprayed by the unidirectional air jet head to be air-dried rapidly, when the freshly extruded concrete is slowly air-dried by the fan blades, the cement can be kept to be continuously and slowly air-dried, and meanwhile, dust in the air cannot be adhered to the extruded cement, so that the whole air-drying effect of the concrete is further improved, the possibility of deformation is reduced, and the quality and stability of products are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a purifying mechanism according to the present invention;
FIG. 3 is a schematic diagram of a purifying mechanism according to the present invention;
FIG. 4 is an enlarged view of the invention at A of FIG. 1;
FIG. 5 is an enlarged view of the invention at B of FIG. 3;
FIG. 6 is a schematic diagram of a purification mechanism of the present invention;
FIG. 7 is a schematic view of a disassembled structure of the purifying mechanism of the present invention;
FIG. 8 is a schematic diagram of the air drying mechanism according to the present invention;
FIG. 9 is an enlarged view of FIG. 3 at C in accordance with the present invention;
FIG. 10 is a perspective conversion view of the purification mechanism of the present invention;
FIG. 11 is a perspective transformation diagram of an air drying mechanism according to the present invention.
In the figure: the device comprises a 1 extrusion head, a 2 connecting column, a3 purifying mechanism, a301 plane bearing A, a 302 internal thread ring, a 303 plane bearing B, a 304 water storage frame, a 305 spring, a 307 connecting column, a308 magnetic block A, a309 fixed rod, a 310 sliding sleeve, a 311 magnetic block B, a 312 air jet pipe, a 313 unidirectional air jet head, a 314 air suction hole, a 315 unidirectional valve, a 316 air hole, a 4 air drying mechanism, 401 fan blades, 402 stirring plates, 403 square grooves, 404 empty grooves, 5 extrusion nozzles, 6 lifting push rods, 7 extrusion grooves, 83D printers and 9 numerical control frames.
Detailed Description
Embodiment one:
referring to fig. 1-7, the present invention provides a technical solution: the extrusion mechanism for the concrete 3D printer comprises a numerical control frame 9, wherein the outer wall of the numerical control frame 9 is provided with a 3D printer 8,3D, the bottom of the printer 8 is fixedly connected with a connecting column 2, an extrusion groove 7 is formed in the inner wall of the connecting column 2, the bottom of the 3D printer 8 is provided with a lifting push rod 6, and the bottom of the 3D printer 8 is provided with a purifying mechanism 3;
the purifying mechanism 3 includes:
the plane bearing A301 is of a circular annular structure, the top of the plane bearing A301 is fixedly connected with the bottom of the connecting column 2, the bottom of the plane bearing A301 is rotationally connected with the inner threaded ring 302, the bottom of the inner threaded ring 302 is rotationally connected with the plane bearing B303, the bottom of the plane bearing B303 is rotationally connected with the water storage frame 304, the bottom of the plane bearing B303 is fixedly connected with the other connecting column 2, the bottom of the other connecting column 2 is fixedly connected with the extrusion head 2, the bottom of the extrusion head 2 is fixedly connected with the extrusion nozzle 5, and the plane bearing A301 is used for connecting the connecting column 2 with the inner threaded ring 302;
the connecting column 307 is a strip round rod, one end of the connecting column 307 is fixedly connected with the bottom of the internal thread ring 302, the bottom of the connecting column 307 is fixedly connected with the magnetic block A308, the bottom of the water storage frame 304 is fixedly connected with the fixing rod 309, and the connecting column 307 is used for connecting the internal thread ring 302 to stir and mix water on the inner wall of the water storage frame 304;
when the 3D printer 8 moves on the numerical control frame 9 to perform three-dimensional printing, the 3D printer 8 drives the lifting push rod 6 in the extrusion groove 7 on the inner wall of the connecting column 2 to continuously move up and down, extrusion liquid which is externally fed into the extrusion groove 7 is fed into the connecting column 2, and then extrusion is performed through the extrusion nozzle 5 on the extrusion head 1 at the bottom of the connecting column 2, so that continuous extrusion in a point-to-point manner is realized;
when the lifting push rod 6 is continuously controlled to lift and extrude, the lifting push rod 6 is pushed by the threads of the outer wall and the inner thread ring 302 of the inner wall of the connecting column 2 to enable the inner thread ring 302 to be pushed to rotate back and forth, meanwhile, when the lifting push rod 6 lifts and lowers, the friction force for pushing the inner thread ring 302 to rotate is small, so that the inner thread ring 302 can be rapidly rotated back and forth, and when the inner thread ring 302 rotates, the sealing of the inner wall of the connecting column 2 is kept by the plane bearing A301 and the plane bearing B303 at the top and the bottom, the continuous extrusion of the inner thread ring 302 and the inner thread ring 302 of the connecting column 2 can still be kept under the condition that the inner thread ring 302 is connected with the lifting push rod 6 in the connecting column 2, and the plane bearing A301 and the plane bearing B303 are magnetically attracted, so that when the plane bearing A301 and the plane bearing B303 enable the inner thread ring 302 to rotate, the plane bearing A301 and the plane bearing B303 are kept static, and the plane bearing B301 is fixed by the connecting column 2, and the connecting column 2 at the bottom of the plane bearing B is kept not to rotate;
embodiment two:
referring to fig. 1-7, the present invention provides a technical solution based on the first embodiment: the outer wall of the fixed rod 309 is slidably connected with a sliding sleeve 310, the outer wall of the sliding sleeve 310 is fixedly connected with a magnetic block B311, the top of the magnetic block B311 is fixedly connected with a spring 305, and one end of the spring 305 is fixedly connected with the bottom of the water storage frame 304.
The outer wall of the water storage frame 304 is fixedly connected with an air jet pipe 312, and one end of the air jet pipe 312 is fixedly connected with a unidirectional air jet head 313.
The bottom of the sliding sleeve 310 is provided with an air suction hole 314, the inner wall of the air suction hole 314 is fixedly connected with a one-way valve 315, the inner wall of the air suction hole 314 is communicated with the inner wall of the sliding sleeve 310, the bottom of the water storage frame 304 is provided with an air hole 316, and the inner wall of the water storage frame 304 is provided with an air drying mechanism 4.
The plane bearing a301 and the plane bearing B303 have magnetism, and the magnetism of the opposite side of the plane bearing a301 and the plane bearing B303 is the magnetism of the opposite side of the magnetic block a309 and the magnetic block B311 is the magnetism of the opposite side.
The inner wall of the fixed rod 309 is provided with a flow hole, and the inner wall of the flow hole is communicated with the inner wall of the air hole 316;
when the internal thread ring 302 rotates, the connecting column 307 is driven to rotate synchronously, when the connecting column 307 rotates synchronously with the magnetic block A308, the magnetic block B311 is driven to rise by the magnetic attraction of the opposite poles of the magnetic block A308 and the magnetic block B311, the magnetic block B311 pulls the sliding sleeve 310 to synchronously slide and rise on the outer wall of the fixed rod 309, thereby extruding the air on the inner wall of the sliding sleeve 310, so that the air enters the air holes 316 on the inner wall of the water storage frame 304 through the circulation holes formed on the inner wall of the fixed rod 309, and enters the water storage frame 304 through the air holes 316, and half-height water is filled in the water storage frame 304 in advance, the air entering the water storage frame 304 is filtered and purified, so that the air extruded into the water storage frame 304 from the inside of the sliding sleeve 310 is cleaner and dustless, after entering the water storage frame 304, the air floats to the air injection pipe 312 through the buoyancy of the air, and the air on the half height of the water inside the water storage frame 304 is extruded, so that the air is injected out of the unidirectional air injection head 313 through the air injection pipe 312 communicated with the inner wall of the water storage frame 304, the extrusion liquid for extrusion printing of the extrusion nozzle 5 is blown in real time, redundant moisture in the extrusion liquid is blown away, and the problem that the accuracy of the whole printing form is reduced due to collapse deformation of more moisture after extrusion is prevented;
when the magnetic block B311 is separated from the magnetic attraction of the magnetic block A308, the magnetic block B311 is pushed to descend by the elasticity of the spring 305, so that the magnetic block B311 is pumped into the sliding sleeve 310 through the one-way valve 315 in the air suction hole 314 formed in the bottom of the sliding sleeve 310, the sliding sleeve 310 is continuously pumped outwards and then is subjected to air injection through the one-way air injection head 313, dust purification after the pumping of ambient air is realized through water circulation in the water storage frame 304, a large amount of dust and residues in a factory are prevented from floating in the air and being pumped into extrusion liquid through the one-way air injection head 313, and the problem of turbidity of the extrusion liquid is further improved, and the printing quality and the printing stability of three-dimensional printing are further improved;
when the magnetic block A308 is driven to rotate through the connecting column 307, water in the water storage frame 304 is stirred through the connecting column 307 at the same time, and the water is fully stirred, so that dust fused into the water is fully and uniformly mixed in all parts of the water, the stability of purifying air dust by long-time water is improved, and the wrapping and purifying effects on the dust are further improved through the movement of the water in the water storage frame 304;
embodiment III:
referring to fig. 1-7, the present invention provides a technical solution based on the first embodiment and the second embodiment: the air drying mechanism 4 comprises fan blades 401, the outer wall of each fan blade 401 is fixedly connected with the outer wall of the inner threaded ring 302, a stirring plate 402 is fixedly connected with the outer wall of the connecting column 307, a square groove 403 is formed in the inner wall of the stirring plate 402, a hollow groove 404 is formed in the inner wall of the water storage frame 304, and a glass frame is fixedly connected to the inner wall of the hollow groove 404.
The air inlet end of the one-way valve 315 is communicated with the outside of the sliding sleeve 310, the air outlet end of the one-way valve 315 is communicated with the inner wall of the sliding sleeve 310, the air inlet end of the inner wall of the one-way jet head 313 is communicated with the inner wall of the jet pipe 312, and the air outlet end of the one-way jet head 313 is communicated with the outside of the one-way jet head 313.
Meanwhile, when the connecting column 307 stirs the water in the water storage frame 304, the stirring plate 402 on the outer wall is driven to synchronously rotate and stir, the stirring area and stirring range of the water are improved, and when the water is stirred, the water is continuously split through the square groove 403 formed in the inner wall of the stirring plate 402, so that the dust area in the water is sufficiently separated and scattered, the mixing efficiency and speed of the water in the water storage frame 304 are further improved, and bubbles rising in the water can be stirred and scattered through the square groove 403 to form more small bubbles, the contact area of dust air and the water is improved, and the filtering efficiency of the air containing dust is further improved;
and the inner thread ring 302 also synchronously drives the fan blade 401 on the outer wall to rotate when rotating, and the whole air-dries, and after the freshly extruded concrete is sprayed by the unidirectional air jet head 313 to be quickly air-dried, when the freshly extruded concrete is slowly air-dried by the fan blade 401, the cement can keep continuous slow air-drying, and meanwhile, dust in the air is not adhered to the extruded cement, so that the whole air-drying effect of the concrete is further improved, the possibility of deformation is reduced, and the product quality and stability are improved.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an extrusion mechanism for concrete 3D printer, includes numerical control frame (9), numerical control frame (9) outer wall is provided with 3D printer (8), 3D printer (8) bottom fixedly connected with spliced pole (2), its characterized in that: an extrusion groove (7) is formed in the inner wall of the connecting column (2), a lifting push rod (6) is arranged at the bottom of the 3D printer (8), and a purifying mechanism (3) is arranged at the bottom of the 3D printer (8);
the purification mechanism (3) comprises:
the plane bearing A (301), the plane bearing A (301) is of a circular annular structure, the top of the plane bearing A (301) is fixedly connected with the bottom of the connecting column (2), the bottom of the plane bearing A (301) is rotationally connected with an inner threaded ring (302), the bottom of the inner threaded ring (302) is rotationally connected with a plane bearing B (303), the bottom of the plane bearing B (303) is rotationally connected with a water storage frame (304), the bottom of the plane bearing B (303) is fixedly connected with another connecting column (2), the bottom of the other connecting column (2) is fixedly connected with an extrusion head (2), the bottom of the extrusion head (2) is fixedly connected with an extrusion nozzle (5), and the plane bearing A (301) is used for playing a role of connecting the connecting column (2) with the inner threaded ring (302).
The connecting column (307), connecting column (307) is rectangular circular pole, connecting column (307) one end and internal thread ring (302) bottom fixed connection, connecting column (307) bottom fixedly connected with magnetic path A (308), water storage frame (304) bottom fixedly connected with dead lever (309), connecting column (307) are used for playing the effect of connecting internal thread ring (302) to stir the mixed to the water of water storage frame (304) inner wall.
2. An extrusion mechanism for a concrete 3D printer according to claim 1, wherein: the utility model discloses a water storage frame, including dead lever (309), fixed lever (309) outer wall sliding connection has slip cap (310), slip cap (310) outer wall fixedly connected with magnetic path B (311), magnetic path B (311) top fixedly connected with spring (305), spring (305) one end and water storage frame (304) bottom fixed connection.
3. An extrusion mechanism for a concrete 3D printer according to claim 2, wherein: the outer wall of the water storage frame (304) is fixedly connected with an air jet pipe (312), and one end of the air jet pipe (312) is fixedly connected with a unidirectional air jet head (313).
4. An extrusion mechanism for a concrete 3D printer according to claim 3, wherein: the utility model discloses a water storage device, including slip cap (310), air inlet (314) have been seted up to slip cap (310) bottom, air inlet (314) inner wall fixedly connected with check valve (315), air inlet (314) inner wall and slip cap (310) inner wall intercommunication, gas pocket (316) have been seted up to storage Shui Kuang (304) bottom, water storage frame (304) inner wall is provided with air-drying mechanism (4).
5. An extrusion mechanism for a concrete 3D printer as recited in claim 4, wherein: the plane bearing A (301) and the plane bearing B (303) have magnetism, the magnetism of the opposite side of the plane bearing A (301) and the plane bearing B (303) is the magnetism of opposite poles, and the magnetism of the opposite side of the magnetic block A (309) and the magnetic block B (311) is the magnetism of opposite poles.
6. An extrusion mechanism for a concrete 3D printer as recited in claim 5, wherein: the inner wall of the fixed rod (309) is provided with a flow hole, and the inner wall of the flow hole is communicated with the inner wall of the air hole (316).
7. An extrusion mechanism for a concrete 3D printer as recited in claim 6, wherein: air-dry mechanism (4) including flabellum (401), flabellum (401) outer wall and internal thread ring (302) outer wall fixed connection, spliced pole (307) outer wall fixedly connected with stir board (402), stir board (402) inner wall and seted up square groove (403), water storage frame (304) inner wall has seted up empty slot (404), empty slot (404) inner wall fixedly connected with glass frame.
8. An extrusion mechanism for a concrete 3D printer as recited in claim 7, wherein: the air inlet end of the one-way valve (315) is communicated with the outside of the sliding sleeve (310), the air outlet end of the one-way valve (315) is communicated with the inner wall of the sliding sleeve (310), the air inlet end of the inner wall of the one-way air jet head (313) is communicated with the inner wall of the air jet pipe (312), and the air outlet end of the one-way air jet head (313) is communicated with the outside of the one-way air jet head (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311114743.7A CN116945323B (en) | 2023-08-31 | Extrusion mechanism for concrete 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311114743.7A CN116945323B (en) | 2023-08-31 | Extrusion mechanism for concrete 3D printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116945323A true CN116945323A (en) | 2023-10-27 |
| CN116945323B CN116945323B (en) | 2024-04-26 |
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| KR20210023941A (en) * | 2021-02-23 | 2021-03-04 | 정하익 | Material, manufacture, construction, cleaning, equipment, facility |
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