CN209886602U - Tectorial membrane sand production facility of 3D printing usefulness - Google Patents
Tectorial membrane sand production facility of 3D printing usefulness Download PDFInfo
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- CN209886602U CN209886602U CN201920599502.9U CN201920599502U CN209886602U CN 209886602 U CN209886602 U CN 209886602U CN 201920599502 U CN201920599502 U CN 201920599502U CN 209886602 U CN209886602 U CN 209886602U
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- 239000004576 sand Substances 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000010146 3D printing Methods 0.000 title claims abstract description 18
- 210000002489 tectorial membrane Anatomy 0.000 title abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 98
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 239000002994 raw material Substances 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007790 scraping Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012856 weighed raw material Substances 0.000 description 1
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Abstract
A precoated sand production device for 3D printing comprises a mixing box, a scraper, a rotating shaft, a first air extractor, a box cover and a first driving device; a support column is arranged at the lower end of the mixing box, and a discharge pipe is arranged in a discharge port on the lower end surface of the mixing box; a first air outlet hole is formed in the mixing box, and a box cover is arranged at an opening at the upper end of the mixing box; a first feed hopper is arranged in a first feed inlet on the box cover; the air inlet end of the first air extractor is connected with the first air outlet; the rotating shaft is connected with the first driving device, extends into the mixing box and is connected with the first stirring rod and the second stirring rod; the first stirring rods are respectively arranged in parallel with the bottom surface of the mixing box; the scraping plates are respectively connected with the first stirring rods; an elastic pad is arranged in a gap between the scraper and the inner wall of the mixing box; one end of the elastic cushion is respectively connected with the scraper, and the other end of the elastic cushion is respectively pressed on the inner wall of the mixing box. The utility model provides a tectorial membrane sand production facility enables the abundant homogeneous mixing of sand for the tectorial membrane is complete more and the mulling is efficient.
Description
Technical Field
The utility model relates to a tectorial membrane sand production technical field especially relates to a tectorial membrane sand production facility of 3D printing usefulness.
Background
3D printing is one of the rapid prototyping technologies, which is a technology for constructing an object by using a bondable material such as powdered metal or plastic and the like in a layer-by-layer printing mode on the basis of a digital model file; the product needs to be printed by using precoated sand in 3D printing; in the preparation process of the precoated sand, uniformly mixing the ingredients is a very important process; however, the existing mixing tank is only a simple tank body, and can only mix and store the weighed raw materials together, but cannot ensure the mixing uniformity and the mixing efficiency; the tectorial membrane sand often can remain at the inner wall of jar body after the mixture, because the effect of mixing is poor in addition for the tectorial membrane sand product after the mixture can't satisfy the needs that 3D printed.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a tectorial membrane sand production facility that 3D printed usefulness, the utility model provides a tectorial membrane sand production facility can scrape down remaining sand raw materials on the box inner wall to can produce the tectorial membrane sand of misce bene.
(II) technical scheme
In order to solve the problems, the utility model provides a precoated sand production device for 3D printing, which comprises a mixing box, a support column, a first stirring rod, a scraper blade, an elastic pad, a second stirring rod, a rotating shaft, a first air extractor, a box cover and a first driving device;
the lower end of the mixing box is provided with a support column, and the lower end surface of the mixing box is provided with a discharge port; a discharge pipe is arranged in the discharge port; a control valve is arranged on the discharge pipe; a first air outlet hole is formed in the mixing box, an opening is formed in the upper end of the mixing box, and a box cover is arranged at the opening of the mixing box; the box cover is provided with a mounting hole and a first feed inlet, and a first feed hopper used for adding raw materials to be mixed into the mixing box is arranged in the first feed inlet; the air inlet end of the first air extractor is connected with the first air outlet; a first filter screen is arranged in the first air outlet hole;
one end of the rotating shaft is connected with a first driving device arranged on the box cover, the other end of the rotating shaft penetrates through the mounting hole and extends into the mixing box, and the rotating shaft is rotatably connected with the box cover; the other end of the rotating shaft is connected with a first stirring rod; the first stirring rods are uniformly arranged in a circumferential manner by taking the rotating shaft as the center, and are respectively arranged in parallel with the bottom surface of the mixing box; the scraping plates are respectively connected with the first stirring rods and are respectively arranged perpendicular to the rotating shaft; gaps are reserved between the scraping plates and the inner wall of the mixing box; the elastic pads are respectively arranged at the gaps, one ends of the elastic pads are respectively connected with the scraping plates, and the other ends of the elastic pads are respectively pressed against the inner wall of the mixing box; the second stirring rods are uniformly arranged on the outer peripheral surface of the rotating shaft.
Preferably, the bottom surface of the mixing box is arranged in an inverted cone shape.
Preferably, the mixing box is internally provided with a mounting rod; the installation pole sets up perpendicularly respectively in the upper end of scraper blade, and the perpendicular distance of the terminal surface of installation pole orientation rotation axis apart from the mixing box inner wall is not less than the perpendicular distance of first feeder hopper apart from the mixing box inner wall.
Preferably, a first air filter is arranged on the mixing box; the air inlet end of the first air filter is connected with the first air outlet hole, and the air outlet end of the first air filter is connected with the air inlet end of the first air extraction device.
Preferably, a feeding box is arranged on the mixing box; a partition plate is arranged in the feeding box; the inner part of the feeding box is divided into a feeding bin and a heating bin by a partition plate; the partition board is provided with a first through hole for communicating the feeding bin with the heating bin;
the feeding bin is provided with a second feeding hole; a second feed hopper is arranged in the second feed inlet; an inclined plate is arranged in the feeding bin; the upper end surface of the inclined plate is a curved surface, and the lower end of the inclined plate is positioned at the first through hole; raw materials are added from a second feed hopper and enter the first through hole along the inclined plate;
a heating device is arranged in the heating bin, and a second through hole is formed in the heating bin; a spiral conveying cylinder is arranged in the second through hole; a third feed port and a discharge port are arranged on the spiral conveying cylinder, and a spiral conveying shaft is arranged in the spiral conveying cylinder; the lower end of the spiral conveying cylinder is connected with the bottom surface of the heating bin; the spiral conveying shaft is in transmission connection with a second driving device arranged on the feeding box; a third feeding hopper is arranged in the third feeding port; the feeding end of the third feeding hopper is connected with the first through hole; a discharge hopper is arranged in the discharge opening; the discharge end of the discharge hopper is connected with the feed end of the first feed hopper; the heating devices are respectively arranged on the spiral conveying cylinders.
Preferably, a sealing cover is arranged on the second feeding hopper.
Preferably, an inclined baffle is arranged in the feeding bin; the inclined baffles are arranged in a staggered manner from top to bottom and form a feeding channel in the feeding bin.
Preferably, a second air outlet hole is formed in the feeding bin; the second air outlet hole is communicated with the feeding channel, and a second filter screen is arranged in the second air outlet hole; the second air outlet hole is connected with the air inlet end of the second air exhaust device; the second air extractor is arranged on the feeding box.
Preferably, a second air filter is arranged on the feeding box; the air inlet end of the second air filter is connected with the second air outlet hole, and the air outlet end of the second air filter is connected with the air inlet end of the second air extractor.
Preferably, a speed reducer is arranged on the box cover; the input shaft of speed reducer connects the output shaft of the first drive unit, and the output shaft of speed reducer connects the rotation axis.
The above technical scheme of the utility model has following profitable technological effect:
adding raw materials to be mixed into a mixing box from a first feed hopper; the first driving device is electrified to operate to drive the rotating shaft to rotate; the first stirring rod and the second stirring rod arranged on the rotating shaft fully stir the sand in the mixing box, so that the sand surface is coated with a film more completely; the first stirring rod drives the scraper to rotate when rotating; the elastic pad rotates along with the scraper, and scrapes off the raw materials on the inner wall of the mixing box, so that the situation that the sand raw materials attached to the inner wall of the mixing box cannot be coated is avoided; thereby ensuring the quality of the mixed precoated sand; when mixing, the first air extractor is electrified to operate, and air in the mixing box is discharged, so that the air flow in the mixing box is promoted, and the situation that dust raised during mixing is scattered into the air to cause environmental pollution and waste of raw materials is avoided;
in addition, the utility model is also provided with a feeding box; when the device is used, the raw materials to be mixed are added into the feeding bin from the second feeding hopper, and the raw materials to be mixed sequentially slide down the inclined plate from the inclined baffle plate; the primary mixing of the raw materials is realized when the sand-mixing raw materials slide down from the inclined baffle; the sand to be mixed enters a third feeding hopper from the first through hole; the second driving device is electrified to operate to drive the spiral conveying shaft to rotate so as to convey the sand raw material to be mixed from the discharge hopper to the first feed hopper; when the spiral conveying shaft conveys the sand, a heating device arranged on the spiral conveying cylinder preheats the sand to be mixed in the spiral conveying cylinder; the sand mixing raw materials are subjected to primary mixing and preheating, so that the sand mixing efficiency is improved, and the production efficiency is improved.
Drawings
Fig. 1 is the utility model provides a 3D prints structural schematic of tectorial membrane sand production facility of usefulness.
Reference numerals: 1. a mixing box; 2. a support pillar; 3. a discharge pipe; 4. a control valve; 5. a first stirring rod; 6. a squeegee; 7. an elastic pad; 8. a second stirring rod; 9. a rotating shaft; 10. a first air extraction device; 11. a first air outlet; 12. a box cover; 13. mounting a rod; 14. a speed reducer; 15. a first driving device; 16. a first feed hopper; 17. a screw conveying cylinder; 18. a second feed hopper; 19. a feeding box; 20. a second air outlet hole; 21. a second air extraction device; 22. an inclined baffle plate; 23. an inclined plate; 24. a feeding bin; 25. a first through hole; 26. a partition plate; 27. a third feeding hopper; 28. a heating chamber; 29. a second driving device; 30. a heating device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the precoated sand production equipment for 3D printing provided by the present invention comprises a mixing box 1, a support column 2, a first stirring rod 5, a scraper 6, an elastic pad 7, a second stirring rod 8, a rotation shaft 9, a first air extractor 10, a box cover 12 and a first driving device 15;
the lower end of the mixing box 1 is provided with a support column 2, and the lower end surface of the mixing box 1 is provided with a discharge port; a discharge pipe 3 is arranged in the discharge port; a control valve 4 is arranged on the discharge pipe 3; a first air outlet hole 11 is formed in the mixing box 1, an opening is formed in the upper end of the mixing box 1, and a box cover 12 is arranged at the opening of the mixing box 1; the box cover 12 is provided with a mounting hole and a first feeding hole, and a first feeding hopper 16 used for adding raw materials to be mixed into the mixing box 1 is arranged in the first feeding hole; the air inlet end of the first air extractor 10 is connected with a first air outlet 11; a first filter screen is arranged in the first air outlet hole 11; the arrangement of the first filter screen avoids the waste of the raw materials caused by the discharge of the raw materials in the mixing box 1 by the first air exhaust device 10;
further, the first air extractor 10 is an exhaust fan;
one end of the rotating shaft 9 is connected with a first driving device 15; the first driving device 15 is arranged on the box cover 12; the first driving device 15 adopts a variable frequency motor; the other end of the rotating shaft 9 penetrates through the mounting hole and extends into the mixing box 1, and the rotating shaft 9 is rotatably connected with a box cover 12 through a sealing bearing; the other end of the rotating shaft 9 is connected with the first stirring rod 5; the first stirring rods 5 are uniformly arranged in a circumference manner by taking the rotating shaft 9 as a center, and the first stirring rods 5 are respectively arranged in parallel with the bottom surface of the mixing box 1; the scrapers 6 are respectively connected with the first stirring rods 5, and the scrapers 6 are respectively arranged perpendicular to the rotating shaft 9; gaps are reserved between the scraping plates 6 and the inner wall of the mixing box 1; the elastic pads 7 are respectively arranged at the gaps, one ends of the elastic pads 7 are respectively connected with the scrapers 6, and the other ends of the elastic pads 7 are respectively pressed on the inner wall of the mixing box 1; the elastic cushion 7 is made of rubber; the second agitating bars 8 are uniformly provided on the outer circumferential surface of the rotating shaft 9.
In the utility model, the raw materials to be mixed are added into the mixing box 1 from the first feed hopper 16; the first driving device 15 is electrified to operate to drive the rotating shaft 9 to rotate; the first stirring rod 5 and the second stirring rod 8 arranged on the rotating shaft 9 fully stir the sand in the mixing box, so that the sand surface is coated more completely; the first stirring rod 5 drives the scraper 6 to rotate when rotating; the elastic pad 7 rotates along with the scraper 6, and the elastic pad 7 scrapes off the raw materials on the inner wall of the mixing box 1, so that the situation that the sand raw materials attached to the inner wall of the mixing box 1 cannot be coated is avoided; thereby ensuring the quality of the mixed precoated sand; during the mixing, the operation of first air exhaust device 10 circular telegram with the air escape in the mixing box 1 to promote the inside gas flow of mixing box 1, the dust of raising when avoiding mixing is wafted and is dispersed to the air, causes the waste of environmental pollution and raw materials.
In an alternative embodiment, the bottom surface of the mixing box 1 is arranged in an inverted cone shape;
further, a second gap is reserved between the first stirring rod 5 and the inclined bottom surface of the mixing box 1; a second elastic pad is arranged in the second gap; one end of the second elastic cushion is respectively connected with the first stirring rod 5, and the other end of the second elastic cushion is respectively pressed on the bottom surface of the mixing box 1.
It should be noted that the bottom surface of the mixing box 1 is in an inverted cone shape, so that discharging is facilitated.
In an alternative embodiment, a mounting rod 13 is provided inside the mixing box 1; the mounting rods 13 are respectively vertically arranged at the upper ends of the scrapers 6, and the vertical distance from the end surface of the mounting rod 13 facing the rotating shaft 9 to the inner wall of the mixing box 1 is not less than that from the first feed hopper 16 to the inner wall of the mixing box 1, namely, the mounting rod 13 can be positioned below the discharge end of the first feed hopper 16 when rotating.
It should be noted that the rotating mounting rod 13 can scatter the raw material dropped from the first hopper 16 to some extent, so as to improve the efficiency of the precoating and mixing of the raw material sand.
In an alternative embodiment, the mixing box 1 is provided with a first air filter; the air inlet end of the first air filter is connected with the first air outlet hole 11, and the air outlet end of the first air filter is connected with the air inlet end of the first air extractor 10;
further, an air inlet hole is formed in the mixing box 1; a dustproof filter screen is arranged in the air inlet hole.
In an alternative embodiment, the mixing box 1 is provided with a feed box 19; a partition plate 26 is arranged in the feeding box 19; the partition 26 divides the interior of the feeding box 19 into a feeding bin 24 and a heating bin 28; the partition 26 is provided with a first through hole 25 for communicating the feeding bin 24 with the heating bin 28;
a second feed inlet is arranged on the feed bin 24; a second feed hopper 18 is arranged in the second feed inlet; an inclined plate 23 is arranged in the feeding bin 24; the upper end surface of the inclined plate 23 is a curved surface, and the lower end of the inclined plate 23 is positioned at the first through hole 25; the raw material is added from the second feed hopper 18 and enters the first through hole 25 along the inclined plate 23;
a heating device 30 is arranged in the heating bin 28, and a second through hole is formed in the heating bin 28; a spiral conveying cylinder 17 is arranged in the second through hole; a third feeding port and a discharging port are arranged on the spiral conveying cylinder 17, and a spiral conveying shaft is arranged in the spiral conveying cylinder 17; the lower end of the spiral conveying cylinder 17 is connected with the bottom surface of the heating bin 28; the screw conveying shaft is in transmission connection with a second driving device 29 arranged on the feeding box 19; a third feeding hopper 27 is arranged in the third feeding port; the feeding end of the third feeding hopper 27 is connected with the first through hole; a discharge hopper is arranged in the discharge opening; the discharge end of the discharge hopper is connected with the feed end of the first feed hopper 16; the heating devices 30 are respectively provided on the screw conveyors 17.
Further, the second driving device 29 is a variable frequency motor.
Further, the heating device 30 is an electric heating tube or a PTC heater.
In an alternative embodiment, a sealing cap is provided on the second hopper 18.
In an alternative embodiment, the feed bin 24 is provided with an inclined baffle 22; the inclined baffles 22 are staggered from top to bottom and form a feed channel within the feed bin 24.
In an alternative embodiment, the feeding bin 24 is provided with a second air outlet 20; the second air outlet hole 20 is communicated with the feeding channel, and a second filter screen is arranged in the second air outlet hole 20; the second air outlet hole 20 is connected with the air inlet end of a second air extractor 21; a second suction device 21 is arranged on the feed box 19.
In an alternative embodiment, the feed box 19 is provided with a second air filter; the air inlet end of the second air filter is connected with the second air outlet hole 20, and the air outlet end of the second air filter is connected with the air inlet end of the second air extractor 21.
It should be noted that, the raw materials to be mixed are added into the feeding bin 24 from the second feeding hopper 18, and the raw materials to be mixed sequentially slide down from the inclined baffle 22 onto the inclined plate 23; the primary mixing of the raw materials is realized when the sand-mixed raw materials slide down from the inclined baffle 22; the raw material to be mixed enters the third feeding hopper 27 from the first through hole; the second driving device 29 is electrified to operate to drive the spiral conveying shaft to rotate so as to convey the sand raw material to be mixed from the discharge hopper to the first feed hopper 16; when the spiral conveying shaft conveys the sand, the heating device 30 arranged on the spiral conveying cylinder 17 preheats the sand raw material to be mixed in the spiral conveying cylinder 17; the sand mixing raw materials are subjected to primary mixing and preheating, so that the sand mixing efficiency is improved, and the production efficiency is improved.
In an alternative embodiment, the box cover 12 is provided with a speed reducer 14; an input shaft of the reduction gear 14 is connected to an output shaft of the first drive device 15, and an output shaft of the reduction gear 14 is connected to the rotary shaft 9.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The precoated sand production equipment for 3D printing is characterized by comprising a mixing box (1), a support column (2), a first stirring rod (5), a scraper (6), an elastic pad (7), a second stirring rod (8), a rotating shaft (9), a first air extractor (10), a box cover (12) and a first driving device (15);
the lower end of the mixing box (1) is provided with a support column (2), and the lower end surface of the mixing box (1) is provided with a discharge hole; a discharge pipe (3) is arranged in the discharge hole; a control valve (4) is arranged on the discharge pipe (3); a first air outlet hole (11) is formed in the mixing box (1), an opening is formed in the upper end of the mixing box (1), and a box cover (12) is arranged at the opening of the mixing box (1); the box cover (12) is provided with a mounting hole and a first feeding hole, and a first feeding hopper (16) used for adding raw materials to be mixed into the mixing box (1) is arranged in the first feeding hole; the air inlet end of the first air extraction device (10) is connected with a first air outlet hole (11); a first filter screen is arranged in the first air outlet hole (11);
one end of the rotating shaft (9) is connected with a first driving device (15) arranged on the box cover (12), the other end of the rotating shaft (9) penetrates through the mounting hole and extends into the mixing box (1), and the rotating shaft (9) is rotatably connected with the box cover (12); the other end of the rotating shaft (9) is connected with a first stirring rod (5); the first stirring rods (5) are uniformly arranged in a circumferential manner by taking the rotating shaft (9) as the center, and the first stirring rods (5) are respectively arranged in parallel with the bottom surface of the mixing box (1); the scrapers (6) are respectively connected with the first stirring rods (5), and the scrapers (6) are respectively arranged vertically to the rotating shaft (9); gaps are reserved between the scraper (6) and the inner wall of the mixing box (1); the elastic pads (7) are respectively arranged at the gaps, one ends of the elastic pads (7) are respectively connected with the scrapers (6), and the other ends of the elastic pads (7) are respectively pressed on the inner wall of the mixing box (1); the second stirring rods (8) are uniformly arranged on the outer peripheral surface of the rotating shaft (9).
2. The precoated sand production apparatus for 3D printing according to claim 1, wherein the bottom surface of the mixing tank (1) is arranged in an inverted cone shape.
3. The precoated sand production apparatus for 3D printing according to claim 1, wherein a mounting rod (13) is provided in the mixing tank (1); the mounting rods (13) are respectively and vertically arranged at the upper ends of the scrapers (6), and the vertical distance from the end face of the mounting rod (13) facing the rotating shaft (9) to the inner wall of the mixing box (1) is not less than the vertical distance from the first feed hopper (16) to the inner wall of the mixing box (1).
4. The precoated sand production apparatus for 3D printing according to claim 1, wherein the mixing tank (1) is provided with a first air filter; the air inlet end of the first air filter is connected with the first air outlet hole (11), and the air outlet end of the first air filter is connected with the air inlet end of the first air extraction device (10).
5. The precoated sand production apparatus for 3D printing according to claim 1, wherein a feed tank (19) is provided on the mixing tank (1); a partition plate (26) is arranged in the feeding box (19); the partition plate (26) divides the interior of the feeding box (19) into a feeding bin (24) and a heating bin (28); the partition plate (26) is provided with a first through hole (25) for communicating the feeding bin (24) with the heating bin (28);
a second feeding hole is formed in the feeding bin (24); a second feed hopper (18) is arranged in the second feed inlet; an inclined plate (23) is arranged in the feeding bin (24); the upper end surface of the inclined plate (23) is a curved surface, and the lower end of the inclined plate (23) is positioned at the first through hole (25); the raw materials are added from a second feed hopper (18) and enter a first through hole (25) along an inclined plate (23);
a heating device (30) is arranged in the heating bin (28), and a second through hole is formed in the heating bin (28); a spiral conveying cylinder (17) is arranged in the second through hole; a third feeding port and a discharging port are arranged on the spiral conveying cylinder (17), and a spiral conveying shaft is arranged in the spiral conveying cylinder (17); the lower end of the spiral conveying cylinder (17) is connected with the bottom surface of the heating bin (28); the screw conveying shaft is in transmission connection with a second driving device (29) arranged on the feeding box (19); a third feeding hopper (27) is arranged in the third feeding port; the feeding end of the third feeding hopper (27) is connected with the first through hole; a discharge hopper is arranged in the discharge opening; the discharge end of the discharge hopper is connected with the feed end of the first feed hopper (16); the heating devices (30) are respectively arranged on the spiral conveying cylinders (17).
6. A precoated sand production apparatus for 3D printing according to claim 5, characterized in that a sealing cover is provided on the second feed hopper (18).
7. The precoated sand production apparatus for 3D printing according to claim 5, wherein an inclined baffle (22) is provided in the feed bin (24); the inclined baffles (22) are arranged in a staggered way from top to bottom and form a feeding channel in the feeding bin (24).
8. The precoated sand production apparatus for 3D printing according to claim 7, wherein the feed bin (24) is provided with a second air outlet (20); the second air outlet hole (20) is communicated with the feeding channel, and a second filter screen is arranged in the second air outlet hole (20); the second air outlet hole (20) is connected with the air inlet end of the second air extraction device (21); the second air extractor (21) is arranged on the feeding box (19).
9. The precoated sand production apparatus for 3D printing according to claim 8, wherein the feed tank (19) is provided with a second air filter; the air inlet end of the second air filter is connected with the second air outlet hole (20), and the air outlet end of the second air filter is connected with the air inlet end of the second air extraction device (21).
10. The precoated sand production equipment for 3D printing according to claim 1, wherein a speed reducer (14) is arranged on the box cover (12); an input shaft of the speed reducer (14) is connected with an output shaft of the first driving device (15), and an output shaft of the speed reducer (14) is connected with the rotating shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599502.9U CN209886602U (en) | 2019-04-28 | 2019-04-28 | Tectorial membrane sand production facility of 3D printing usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599502.9U CN209886602U (en) | 2019-04-28 | 2019-04-28 | Tectorial membrane sand production facility of 3D printing usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209886602U true CN209886602U (en) | 2020-01-03 |
Family
ID=69020071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920599502.9U Expired - Fee Related CN209886602U (en) | 2019-04-28 | 2019-04-28 | Tectorial membrane sand production facility of 3D printing usefulness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209886602U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318639A (en) * | 2020-04-11 | 2020-06-23 | 罗厚镇 | Casting system with noise reduction function |
| CN111495255A (en) * | 2020-04-14 | 2020-08-07 | 广东蔚莱生物科技有限公司 | Production equipment and method for improving quality of vitamin premixed feed |
| CN111624936A (en) * | 2020-05-26 | 2020-09-04 | 柳晶科技集团(常州)股份有限公司 | Coated sand preparation control method and system |
| CN112247067A (en) * | 2020-09-26 | 2021-01-22 | 共享智能铸造产业创新中心有限公司 | Sand mixing mechanism and 3D printer |
| CN112721256A (en) * | 2020-12-17 | 2021-04-30 | 尤晨曦 | HDPE geomembrane preparation and forming process |
-
2019
- 2019-04-28 CN CN201920599502.9U patent/CN209886602U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318639A (en) * | 2020-04-11 | 2020-06-23 | 罗厚镇 | Casting system with noise reduction function |
| CN111318639B (en) * | 2020-04-11 | 2021-07-02 | 青岛邦和压铸有限公司 | Casting system with noise reduction function |
| CN111495255A (en) * | 2020-04-14 | 2020-08-07 | 广东蔚莱生物科技有限公司 | Production equipment and method for improving quality of vitamin premixed feed |
| CN111624936A (en) * | 2020-05-26 | 2020-09-04 | 柳晶科技集团(常州)股份有限公司 | Coated sand preparation control method and system |
| CN112247067A (en) * | 2020-09-26 | 2021-01-22 | 共享智能铸造产业创新中心有限公司 | Sand mixing mechanism and 3D printer |
| CN112721256A (en) * | 2020-12-17 | 2021-04-30 | 尤晨曦 | HDPE geomembrane preparation and forming process |
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