CN110561584A - device and method for 3D printing of coral reef - Google Patents
device and method for 3D printing of coral reef Download PDFInfo
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- CN110561584A CN110561584A CN201910934314.1A CN201910934314A CN110561584A CN 110561584 A CN110561584 A CN 110561584A CN 201910934314 A CN201910934314 A CN 201910934314A CN 110561584 A CN110561584 A CN 110561584A
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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
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- 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
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Abstract
The invention provides a device and a method for 3D printing of a coral reef. The 3D coral reef printing device and the method comprise a shell, a printing table, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism, a nozzle and a powder storage box b, wherein the printing table is fixedly installed in the shell, a space with the height of 8-12cm is reserved between the lower surface of the printing table and the inner bottom wall of the shell, a powder recovery box connected in a sliding mode is inserted in the shell below the printing table, an exhaust fan is fixedly installed on one side wall of the shell, the exhaust fan blows scattered sand powder on a platform and scattered sand powder on a model down to the powder recovery box, the powder which is not bonded is recovered, the powder on the surface of the model is blown down, the cleanness of the model is improved, and the recycling of the sand powder is enhanced. The device and the method for 3D printing of the coral reef have the advantages of high precision, difficulty in damage and better simulation of the natural form of the coral reef.
Description
Technical Field
the invention relates to the technical field of 3D, in particular to a device and a method for 3D printing of a coral reef.
Background
Coral reefs are the most colorful part of the ocean and are also an important source of the earth's diverse ecosystem, occupying less than 1% of the ocean floor area, but they support 25% of the world's marine life, not only algae and zooplankton, but also countless species in the food chain, from crabs to turtles to humans. Coral reefs support the fishery and tourism industries and prevent coastal erosion. Billions of people worldwide rely on coral reefs to obtain food or income. However, as climate changes continue to drive the deadly heat waves underwater, these calcium carbonate structures quickly disappear with countless species. Since the 80's of the 20 th century, approximately half of the earth's coral reefs have died, and this figure is steadily rising.
now, the temperature rise is devastating to the coral reef. Even if carbon pollution is greatly reduced, the effect of slowing down death of the plants is very little. Warming to only 1.5 ℃ would make 90% of coral reefs dangerous. For many years, mankind has created artificial coral reefs by sinking ships or throwing concrete blocks in shallow water. The artificial coral reefs are mainly prepared by pouring concrete into a mold, the bionic structure is difficult to manufacture, and the artificial coral reefs do not have the complexity of holes and connecting tunnels appearing in natural coral reefs. Meanwhile, the traditional concrete mold is difficult to adjust and optimize the structure of the coral reef in time according to different sea areas and different species.
in view of these problems, the 3D printing technology can provide a solution, and 3D printing creates an artificial coral reef, which is expected to better promote the development of coral reef ecosystem to recover the biodiversity of the ocean, and therefore, it is necessary to provide a device and a method for 3D printing a coral reef to solve the above technical problems.
disclosure of Invention
in order to solve the technical problems, the invention provides the device and the method for 3D printing of the coral reef, which have the advantages of high precision, difficulty in damage and better simulation of the natural form of the coral reef.
The device and the method for 3D printing of the coral reef provided by the invention comprise the following steps: the printing table is fixedly arranged in the shell, and a space with the height of 8-12cm is reserved between the lower surface of the printing table and the inner bottom wall of the shell; the two X-axis moving mechanisms are arranged on two side walls of the shell close to the top; the Y-axis moving mechanism is arranged on the X-axis moving mechanism; the Z-axis moving mechanism is arranged on the Y-axis moving mechanism; the two nozzles are used for performing adjustment printing in the front-back direction, the left-right direction and the up-down direction through an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism which are arranged in the shell; and the glue storage box and the sand storage box in the powder storage box are respectively connected with the two nozzles through pipes.
Preferably, the X-axis moving mechanism includes a first threaded rod and a first slider, the two threaded rods with the same specification are respectively rotatably installed in the chutes formed in the two side walls of the housing, the two first threaded rods are respectively sleeved with the first slider in threaded connection, the side walls of the first sliders are respectively connected with the inner wall of the chute in a sliding manner, the two first threaded rods of the X-axis moving mechanism are driven by two identical motors, and the two motors are controlled by a synchronizing shaft.
Preferably, Y axle moving mechanism is including rotating motor, second threaded rod, second slider and gag lever post, rotate motor fixed mounting on the lateral wall of arbitrary one first slider, and the output of rotating the motor passes through the one end fixed connection of shaft coupling and second threaded rod, the other end of second threaded rod rotates with the lateral wall of another first slider to be connected, the second slider cup joints on the second threaded rod and with second threaded rod threaded connection, gag lever post fixed mounting passes the through-hole that the second slider was seted up between two first sliders.
preferably, Z axle moving mechanism includes cylinder and mounting bracket, cylinder fixed mounting is in the bottom of second slider, and the output fixed mounting of cylinder has the mounting bracket, fixed mounting has two decurrent nozzles of shower nozzle on the mounting bracket.
The specific moving operation process of the device three-coordinate system comprises the following steps:
x-axis movement: the two motors arranged at the end parts of the first threaded rods 51 are controlled to drive the first threaded rods 51 through a control command, and the purpose is to synchronously control the first threaded rods 51 on the two X-axis moving mechanisms 5 to synchronously rotate, so that the first sliding blocks 52 drive the second threaded rods 62 to horizontally move along the X-axis direction, and the X-axis movement is realized.
y-axis movement: the rotating motor 61 is controlled by a control command to drive the second threaded rod 62 to rotate, and the second sliding block 63 slides along the Y-axis direction due to the limitation of the limiting rod 64, so that the Y-axis movement is realized.
z-axis movement: the cylinder 71 is controlled to perform telescopic motion along the Z-axis direction through a control command, and then the mounting frame 72 fixed at the output end of the cylinder 71 is driven to perform telescopic motion along the Z-axis direction.
Preferably, be equipped with in the powder storage tank and be used for storing the box and the grit storage tank that store three kinds of colours glue, each stores the box and is connected with rabbling mechanism through the conveying pipe respectively, and rabbling mechanism's pay-off mouth passes through the pipe and is connected with a nozzle.
Preferably, the stirring mechanism comprises a fusion cylinder, a driving motor and a stirring rod, wherein four connectors a1, a2, a3 and a4 are sequentially arranged at the position, close to the inner bottom wall, of the fusion cylinder, the three connectors a1, a2 and a3 are respectively connected with storage boxes for three colors of glue through feeding pipes, control valves are respectively arranged on the three feeding pipes, the driving motor is fixedly arranged on the bottom wall of the fusion cylinder, the output end of the driving motor extends into the fusion cylinder and is fixedly provided with the stirring rod, and the a4 is connected with a nozzle through a guide pipe.
preferably, a powder recycling box connected in a sliding manner is inserted into the shell below the printing table, and an exhaust fan is fixedly mounted on one side wall of the shell.
the use method of the device for 3D printing of the coral reef is characterized by comprising the following specific steps:
step one, designing a coral reef three-dimensional graph which accords with a coral reef throwing sea area in a computer inner model;
step two, modeling and slicing the coral reef by using computer software;
step three, according to the two-dimensional section pattern of every coral reef, bond layer upon layer the grit and print, its printing step as follows:
a) Storing glue with different colors into a storage box, driving two nozzles through three moving mechanisms of an X axis, a Y axis and a Z axis, and utilizing the nozzles communicated with the sand to spray sand and stone patterns which accord with coral reef patterns on the printing table;
b) the computer system mixes colored glue according to the color of the three-dimensional model, the nozzle communicated with the glue mixes the glue with three colors through the fusion cylinder according to the color to be printed by the coral reef, control valves on three connectors with corresponding colors of a1, a2 and a3 are opened, the driving motor is utilized to drive the stirring rod to enhance the mixing of the glue, the glue is selectively sprayed on the plane of the sand powder, and the sand powder is bonded into an entity after encountering the glue;
c) After the bonding of one layer is finished, the two nozzles are lifted by using the Z-axis moving mechanism, then the bonding of a new layer is started, and the printing is repeated layer by layer until the bonding of the whole model is finished;
d) After printing is finished, starting an exhaust fan to blow the sand powder scattered on the platform and the scattered sand powder on the model down into a powder recovery box, recovering the powder which is not bonded, and blowing off the powder on the surface of the model;
e) the mold was again soaked with clear glue.
compared with the related art, the device and the method for 3D printing of the coral reef have the following beneficial effects:
1. The coral reef with the bionic structure is made by adopting the sand-rock powder as a main raw material, can better simulate the natural form, can realize the bionic design, is even the same as the natural coral reef, and uses sand-rock which is closer to the chemical composition of natural coral compared with concrete, meanwhile, the neutral pH value of the sand-rock enables the artificial coral reef to become an attractive place for coral larva, the artificial coral can be used as a buffering agent for resisting ocean acidification, and the sand-rock can timely adjust the structure of the coral reef according to the ecological environments of different sea areas and different species;
2. the sprayer mixes the liquid in the three glue storage boxes according to the color to be printed, so that full-color three-dimensional printing can be realized, the printing efficiency is high, cutting tools and dies are not needed, the precision and surface precision of the printed three-dimensional model are high, and the printed three-dimensional model is not easy to damage;
3. After printing is finished, the powder which is not bonded is recycled, the powder on the surface of the model is blown to be clean, the resource waste is reduced, and the formed mould is soaked by the transparent glue again, so that the model has certain strength.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an apparatus and a method for 3D printing a coral reef provided in the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is a schematic structural view of the Y-axis moving mechanism shown in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 1;
Fig. 5 is a schematic cross-sectional structure shown in fig. 4.
reference numbers in the figures: 1. the printing device comprises a shell, 2, a printing table, 3, a nozzle, 4, a sliding groove, 5, an X-axis moving mechanism, 51, a first threaded rod, 52, a first sliding block, 6, a Y-axis moving mechanism, 61, a rotating motor, 62, a second threaded rod, 63, a second sliding block, 64, a limiting rod, 7, a Z-axis moving mechanism, 71, a cylinder, 72, a mounting frame, 8, a stirring mechanism, 81, a fusion cylinder, 82, a driving motor, 83, a stirring rod, 9, a powder recovery box, 9a, an exhaust fan, 9b, a powder storage box, 9c and a control valve.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an apparatus and a method for 3D printing a coral reef according to the present invention; FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1; FIG. 3 is a schematic structural view of the Y-axis moving mechanism shown in FIG. 2; FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 1; fig. 5 is a schematic cross-sectional structure shown in fig. 4. The device of 3D printing coral reef includes: a housing 1, a print table 2, an X-axis moving mechanism 5, a Y-axis moving mechanism 6, a Z-axis moving mechanism 7, a nozzle 3, and a powder storage box 9 b.
in the specific implementation process, as shown in fig. 1, printing table 2 fixed mounting is in casing 1, and the lower surface of printing table 2 and the interior diapire reservation of casing 1 have highly be 8-12 cm's interval, the powder collection box 9 of sliding connection is inserted in casing 1 of printing table 2 below, and a lateral wall fixed mounting of casing 1 has exhaust fan 9a, utilizes exhaust fan 9a to blow off the sand powder scattered on the platform and the sand powder scattered on the model to the powder collection box 9 in, retrieves the powder that does not bond, blows off the powder on model surface, has improved the cleanliness factor of model and, has strengthened the recycle to the sand powder.
Referring to fig. 1 and 2, two X-axis moving mechanisms 5 are installed on both sidewalls of the housing 1 near the top, the X-axis moving mechanism 5 comprises a first threaded rod 51 and a first sliding block 52, the two first threaded rods 51 with the same specification are respectively and rotatably arranged in sliding grooves 4 formed in two side walls of the shell 1, and the two first threaded rods 51 are sleeved with first sliding blocks 52 in threaded connection, the side walls of the two first sliding blocks 52 are in sliding connection with the inner wall of the sliding chute 4, the first threaded rods 51 of the two X-axis moving mechanisms 5 are driven by two same motors, the two motors are respectively arranged at two opposite ends of the first threaded rod 51, the specific motors are fixed in the shell 1, and the two motors are controlled by a synchronous shaft, and the motors drive the two first threaded rods 51 to synchronously rotate, so that the first sliding block 52 drives the second threaded rod 62 to horizontally move along the X-axis direction.
Referring to fig. 2 and 3, the Y-axis moving mechanism 6 is mounted on the X-axis moving mechanism 5, the Y-axis moving mechanism 6 comprises a rotating motor 61, a second threaded rod 62, a second sliding block 63 and a limiting rod 64, wherein the rotating motor 61 is fixedly arranged on the outer side wall of any one first sliding block 52, and the output end of the rotating motor 61 is fixedly connected with one end of the second threaded rod 62 through a coupling, the other end of the second threaded rod 62 is rotatably connected with the outer side wall of the other first slide block 52, the second sliding block 63 is sleeved on the second threaded rod 62 and is in threaded connection with the second threaded rod 62, the limiting rod 64 is fixedly arranged between the two first sliding blocks 52 and penetrates through a through hole formed in the second sliding block 63, the rotating motor 61 is started to drive the second threaded rod 62 to rotate, and the second slider 63 is restricted by the stopper rod 64 so that the second slider 63 slides in the Y-axis direction.
Referring to fig. 2, the Z-axis moving mechanism 7 is mounted on the Y-axis moving mechanism 6, the Z-axis moving mechanism 7 includes an air cylinder 71 and a mounting bracket 72, the air cylinder 71 is fixedly mounted at the bottom of the second slider 63, the mounting bracket 72 is fixedly mounted at the output end of the air cylinder 71, two nozzles 3 with downward nozzles are fixedly mounted on the mounting bracket 72, and the air cylinder 71 used in the present invention is a telescopic air cylinder.
referring to fig. 2 and 3, the specific moving operation process of the device coordinate system of the present invention is as follows:
X-axis movement: the two motors arranged at the end parts of the first threaded rods 51 are controlled to drive the first threaded rods 51 through a control command, and the purpose is to synchronously control the first threaded rods 51 on the two X-axis moving mechanisms 5 to synchronously rotate, so that the first sliding blocks 52 drive the second threaded rods 62 to horizontally move along the X-axis direction, and the X-axis movement is realized.
Y-axis movement: the rotating motor 61 is controlled by a control command to drive the second threaded rod 62 to rotate, and the second sliding block 63 slides along the Y-axis direction due to the limitation of the limiting rod 64, so that the Y-axis movement is realized.
Z-axis movement: the cylinder 71 is controlled to perform telescopic motion along the Z-axis direction through a control command, and then the mounting frame 72 fixed at the output end of the cylinder 71 is driven to perform telescopic motion along the Z-axis direction.
referring to fig. 2, two of the nozzles 3 perform adjustment printing in the front-rear, left-right, and up-down directions by an X-axis moving mechanism 5, a Y-axis moving mechanism 6, and a Z-axis moving mechanism 7 installed inside the housing 1.
referring to fig. 1 and 5, a glue storage box and a gravel storage box in the powder storage box 9b are respectively connected with two nozzles 3 through guide pipes, a storage box and a gravel storage box for storing three colors of glue are arranged in the powder storage box 9b, each storage box is respectively connected with a stirring mechanism 8 through a feeding pipe, a feeding port of the stirring mechanism 8 is connected with one nozzle 3 through a guide pipe, the stirring mechanism 8 comprises a fusion cylinder 81, a driving motor 82 and a stirring rod 83, four connecting ports a1, a2, a3 and a4 are sequentially arranged on the fusion cylinder 81 near the inner bottom wall, three connecting ports a1, a2 and a3 are respectively connected with the storage boxes for three colors of glue through feeding pipes, control valves 9c are respectively arranged on the three feeding pipes, the driving motor 82 is fixedly arranged on the bottom wall of the fusion cylinder 81, an output end of the driving motor 82 extends into the fusion cylinder 81 and is fixedly arranged with the stirring rod 83, a4 is connected to nozzle 3 by a conduit.
It should be noted that: the coral reef with the bionic structure, which is manufactured by taking the sand powder as the main raw material, can better simulate the natural form, realize the bionic design, even is the same as the natural coral reef, and the used sand is closer to the chemical composition of natural coral compared with concrete, meanwhile, the artificial coral reef becomes an attractive place for coral larva due to the neutral pH value of sandstone, the artificial coral can be used as a buffering agent for resisting ocean acidification, the sandstone can also adjust the structure of the coral reef in time according to the ecological environments of different sea areas and different species, and the spray head mixes the liquid in the three glue storage boxes according to the color to be printed, can realize full-color three-dimensional printing, print efficiently, need not cutting tool and mould, the accurate surface precision of the three-dimensional model who prints is high, and the three-dimensional model who prints is not fragile.
A use method of a device for 3D printing of a coral reef comprises the following specific steps:
Step one, designing a coral reef three-dimensional graph which accords with a coral reef throwing sea area in a computer inner model;
Step two, modeling and slicing the coral reef by using computer software;
Step three, according to the two-dimensional section pattern of every coral reef, bond layer upon layer the grit and print, its printing step as follows:
a) storing glue with different colors into a storage box, driving two nozzles through three moving mechanisms of an X axis, a Y axis and a Z axis, and utilizing the nozzles communicated with the sand to spray sand and stone patterns which accord with coral reef patterns on the printing table;
b) The computer system mixes colored glue according to the color of the three-dimensional model, the nozzle communicated with the glue mixes the glue with three colors through the fusion cylinder according to the color to be printed by the coral reef, control valves on three connectors with corresponding colors of a1, a2 and a3 are opened, the driving motor is utilized to drive the stirring rod to enhance the mixing of the glue, the glue is selectively sprayed on the plane of the sand powder, and the sand powder is bonded into an entity after encountering the glue;
c) after the bonding of one layer is finished, the two nozzles are lifted by using the Z-axis moving mechanism, then the bonding of a new layer is started, and the printing is repeated layer by layer until the bonding of the whole model is finished;
d) after printing is finished, starting an exhaust fan to blow the sand powder scattered on the platform and the scattered sand powder on the model down into a powder recovery box, recovering the powder which is not bonded, and blowing off the powder on the surface of the model;
e) And soaking the model with transparent glue again, wherein the model after being soaked with the transparent glue has certain strength.
the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a device of 3D printing coral reef which characterized in that includes:
A shell body (1) is arranged in the shell body,
The printing table (2) is fixedly arranged in the shell (1), and a space with the height of 8-12cm is reserved between the lower surface of the printing table (2) and the inner bottom wall of the shell (1);
The X-axis moving mechanisms (5), the two X-axis moving mechanisms (5) are arranged on two side walls of the shell (1) close to the top;
The Y-axis moving mechanism (6), the Y-axis moving mechanism (6) is installed on the X-axis moving mechanism (5);
The Z-axis moving mechanism (7), the Z-axis moving mechanism (7) is installed on the Y-axis moving mechanism (6);
the two nozzles (3) are used for performing adjustment printing in the front-back direction, the left-right direction and the up-down direction through an X-axis moving mechanism (5), a Y-axis moving mechanism (6) and a Z-axis moving mechanism (7) which are arranged in the shell (1);
The glue storage box and the gravel storage box in the powder storage box (9 b) are respectively connected with the two nozzles (3) through pipes.
2. the 3D prints device of coral reef according to claim 1, characterized in that X axle moving mechanism (5) includes first threaded rod (51), first slider (52), and two specifications are the same first threaded rod (51) rotates respectively and installs in spout (4) that casing (1) both sides wall was seted up, and all overlaps on two first threaded rods (51) and is equipped with threaded connection's first slider (52), two the lateral wall of first slider (52) all with spout (4) inner wall sliding connection, two first threaded rod (51) of X axle moving mechanism (5) drives through two the same motors, and two motors adopt synchronous shaft control.
3. The 3D coral reef printing device according to claim 1, wherein the Y-axis moving mechanism (6) comprises a rotating motor (61), a second threaded rod (62), a second slider (63) and a limiting rod (64), the rotating motor (61) is fixedly installed on the outer side wall of any one first slider (52), the output end of the rotating motor (61) is fixedly connected with one end of the second threaded rod (62) through a coupler, the other end of the second threaded rod (62) is rotatably connected with the outer side wall of the other first slider (52), the second slider (63) is sleeved on the second threaded rod (62) and is in threaded connection with the second threaded rod (62), and the limiting rod (64) is fixedly installed between the two first sliders (52) and penetrates through a through hole formed in the second slider (63).
4. the 3D coral reef printing apparatus according to claim 1, wherein the Z-axis moving mechanism (7) comprises an air cylinder (71) and a mounting frame (72), the air cylinder (71) is fixedly mounted at the bottom of the second slider (63), the mounting frame (72) is fixedly mounted at the output end of the air cylinder (71), and two nozzles (3) with downward spray heads are fixedly mounted on the mounting frame (72).
5. The 3D coral reef printing device according to claim 1, wherein the powder storage box (9 b) is internally provided with a storage box for storing glue of three colors and a sand storage box, each storage box is respectively connected with the stirring mechanism (8) through a feeding pipe, and a feeding port of the stirring mechanism (8) is connected with one nozzle (3) through a guide pipe.
6. The 3D coral reef printing device according to claim 5, wherein the stirring mechanism (8) comprises a fusion cylinder (81), a driving motor (82) and a stirring rod (83), four connectors a1, a2, a3 and a4 are sequentially arranged on the fusion cylinder (81) close to the inner bottom wall, the three connectors a1, a2 and a3 are respectively connected with three glue color storage boxes through feeding pipes, a control valve (9 c) is arranged on each of the three feeding pipes, the driving motor (82) is fixedly arranged on the bottom wall of the fusion cylinder (81), the output end of the driving motor (82) extends into the fusion cylinder (81) and is fixedly provided with the stirring rod (83), and the a4 is connected with the nozzle (3) through a guide pipe.
7. the 3D coral reef printing device according to claim 1, wherein a powder recovery box (9) in sliding connection is inserted into the casing (1) below the printing table (2), and an exhaust fan (9 a) is fixedly mounted on one side wall of the casing (1).
8. use method of the apparatus for 3D printing coral reef according to any one of the claims 1 to 7 wherein the specific method is as follows:
Step one, designing a coral reef three-dimensional graph which accords with a coral reef throwing sea area in a computer inner model;
Step two, modeling and slicing the coral reef by using computer software;
step three, according to the two-dimensional section pattern of every coral reef, bond layer upon layer the grit and print, its printing step as follows:
a) storing glue with different colors into a storage box, driving two nozzles through three moving mechanisms of an X axis, a Y axis and a Z axis, and utilizing the nozzles communicated with the sand to spray sand and stone patterns which accord with coral reef patterns on the printing table;
b) The computer system mixes colored glue according to the color of the three-dimensional model, the nozzle communicated with the glue mixes the glue with three colors through the fusion cylinder according to the color to be printed by the coral reef, control valves on three connectors with corresponding colors of a1, a2 and a3 are opened, the driving motor is utilized to drive the stirring rod to enhance the mixing of the glue, the glue is selectively sprayed on the plane of the sand powder, and the sand powder is bonded into an entity after encountering the glue;
c) after the bonding of one layer is finished, the two nozzles are lifted by using the Z-axis moving mechanism, then the bonding of a new layer is started, and the printing is repeated layer by layer until the bonding of the whole model is finished;
d) after printing is finished, starting an exhaust fan to blow the sand powder scattered on the platform and the scattered sand powder on the model down into a powder recovery box, recovering the powder which is not bonded, and blowing off the powder on the surface of the model;
e) the mold was again soaked with clear glue.
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| CN113021901A (en) * | 2021-04-29 | 2021-06-25 | 渭南职业技术学院 | Safe and reliable type 3D printer with wireless transmission function |
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| CN207901672U (en) * | 2017-12-25 | 2018-09-25 | 中贵银丰（北京）科技有限公司 | A kind of rotary 3D printer |
| CN208469074U (en) * | 2018-05-30 | 2019-02-05 | 湖北民族学院 | Based on the mobile 3D printing device of ball screw |
| CN108819239A (en) * | 2018-06-15 | 2018-11-16 | 张雪燕 | Engineering model 3D printing equipment |
| CN109109308A (en) * | 2018-08-01 | 2019-01-01 | 苏州巨石智能科技有限公司 | A kind of 3D printer slicing delamination balance regulator |
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| CN209077790U (en) * | 2018-08-30 | 2019-07-09 | 深圳市宝瑞莱珠宝首饰有限公司 | A kind of gold earrings welding 3D printing device |
| CN208825555U (en) * | 2018-09-26 | 2019-05-07 | 中北大学 | Metal powder SLM forming process dynamic recycling repair system |
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