CN110947966A - Gas circulation device for avoiding oxidation of 3D metal printer - Google Patents
Gas circulation device for avoiding oxidation of 3D metal printer Download PDFInfo
- Publication number
- CN110947966A CN110947966A CN201911332636.5A CN201911332636A CN110947966A CN 110947966 A CN110947966 A CN 110947966A CN 201911332636 A CN201911332636 A CN 201911332636A CN 110947966 A CN110947966 A CN 110947966A
- Authority
- CN
- China
- Prior art keywords
- printer
- air suction
- case
- suction box
- gas circulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/20—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/77—Recycling of gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a gas circulating device for avoiding oxidation of a 3D metal printer, which comprises a printer case, wherein an air suction box is fixedly arranged in the printer case, an air suction opening is fixedly arranged at the top of the air suction box, two sets of dust adsorption components are arranged in the air suction box, each dust adsorption component comprises two sets of electrostatic dust removal rods, gears and rollers are respectively and rotatably arranged at two ends of each electrostatic dust removal rod, racks and guide rails are respectively arranged at the bottoms of the gears and the rollers, a connecting main shaft penetrates through the gears and the rollers, a motor is fixedly arranged at one end of the connecting main shaft, the gears are meshed with the racks, the rollers are in sliding connection with the guide rails, axial flow fans are respectively and fixedly arranged at two sides of the air suction box, air pipes are respectively and fixedly arranged at air outlets of the axial flow fans, cooling water pipes are, improve printing quality, prevent the oxidation of components and parts in the printer.
Description
Technical Field
The invention belongs to the technical field of 3D printers, and particularly relates to a gas circulation device for avoiding oxidation of a 3D metal printer.
Background
In recent years, the 3D printing technology has been applied to the fields of industry, clothing, architecture, automobiles, aviation, medical treatment and the like due to the extra fire and heat. The selective laser melting molding technology is the most common technology in the current metal 3D printing, firstly, professional software is utilized to scan, slice and divide a three-dimensional digital model of a part to be printed, after data is obtained, high-energy laser beams or electron current are used for selectively melting metal powder layer by layer on the obtained contour data, and then required metal powder is paved layer by layer to manufacture a three-dimensional solid part.
The metal powder used by the powder bed laser melting metal 3D printer has the particle size of 10-70 mu m. The smoke is generated in the process of sintering the powder, the smoke not only has the risk of causing fire or explosion, but also oxidizes components in the printer along with floating particles, and the smoke can also block the transmission of laser or electrons, so that the local sintering is incomplete, and the printing quality is reduced.
Therefore, the 3D metal printer is provided with a gas circulation device for avoiding oxidation, so that the problems in the prior art are solved, the suction box is arranged below the printing platform in the 3D printer, the drawn air is circularly discharged into the printer through the cooling assembly, the air in the case is driven to flow, the phenomenon that the air blocks the transmission of laser or electrons, the partial sintering is incomplete is prevented, the printing quality is improved, and the oxidation of components in the printer is prevented; set up two sets of static dust excluding bars that remove in the case that induced drafts, adsorb the particulate matter in the smog to discharge to the dust collection box after certain cycle in, avoid the granule in the smog to persist in the printer, prevent to cause risks such as conflagration or explosion.
Disclosure of Invention
The invention aims to provide a gas circulation device for avoiding oxidation of a 3D metal printer, and aims to solve the problems that smoke is generated in the process of sintering powder in the prior art, the smoke has the risk of causing fire or explosion, floating particles can oxidize components in the printer, the smoke can obstruct the transmission of laser or electrons, partial sintering is incomplete, and the printing quality is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme: a gas circulation device for avoiding oxidation of a 3D metal printer comprises a printer case, wherein an air suction box is fixedly installed in the printer case, an air suction opening is fixedly installed at the top of the air suction box, and two groups of dust adsorption assemblies are arranged in the air suction box;
the dust adsorption assembly comprises two groups of electrostatic dust removal rods, gears and idler wheels are rotatably mounted at two ends of each electrostatic dust removal rod respectively, racks and guide rails are arranged at the bottoms of the gears and the idler wheels respectively, a connecting main shaft penetrates through the gears and the idler wheels, a motor is fixedly mounted at one end of the connecting main shaft, the gears are meshed with the racks, and the idler wheels are in sliding connection with the guide rails;
axial flow fans are fixedly mounted on two sides of the air suction box, air outlets of the axial flow fans are fixedly mounted with air pipes, cooling water pipes are annularly arranged on the surfaces of the air pipes, and one ends of the air pipes, far away from the axial flow fans, penetrate through the top of the printer case and extend into the printer case;
the printer is characterized in that a dust collection box is arranged below the air suction box in the printer case, the dust collection box comprises a box body, pulleys are fixedly mounted at four corners of the bottom of the box body, and a through hole is formed in the top of the box body.
Preferably, the top of the air suction opening is provided with a hopper, and the top of the hopper is fixedly provided with a sieve plate.
Preferably, the connecting columns are symmetrically arranged on two sides of the outer wall of the air suction box and are fixedly connected with the inner wall of the printer case.
Preferably, the air suction box is internally and fixedly provided with two groups of guide rods, two groups of vertical plates are arranged at two ends of the electrostatic dust removal rod, two ends of the electrostatic dust removal rod are rotatably arranged in the vertical plates through bearings, the guide rods penetrate through the vertical plates, and linear bearings are fixedly arranged in the vertical plates at the penetrating positions of the guide rods.
Preferably, the top of the guide rail is provided with a sliding groove, the roller is in clearance fit with the sliding groove, and the roller and the gear are fixedly arranged at two ends of the connecting main shaft through bearings.
Preferably, the bottom of the air suction box is provided with a feed opening, the bottom of the feed opening is fixedly provided with a material pipe, the top of the through hole is also fixedly provided with a material pipe, and a cloth bag is fixedly arranged between the two material pipes through a hoop.
Preferably, one side of the cooling water pipe is fixedly connected with a water pump, and a water inlet of the water pump is fixedly connected with a cold water tank.
Preferably, a notch is formed in one side of the printer case, a case door is hinged to the outer side of the notch, and the length and the width of the notch are both larger than the width and the height of the dust collection case.
Preferably, be provided with print platform in the printer machine case, the sieve is located print platform under, and sieve fixed mounting passes through the sealed setting of rubber slab in printer machine incasement wall in and printer machine incasement wall.
The invention has the technical effects and advantages that: compared with the prior art, the gas circulation device for avoiding oxidation of the 3D metal printer has the following advantages:
1. an air suction box is arranged below the printing platform in the 3D printer, and extracted air is circularly discharged into the printer through a cooling assembly to drive air in the case to flow, so that the situation that the air in the case obstructs the transmission of laser or electrons to cause incomplete local sintering is prevented, the printing quality is improved, and the oxidation of components in the printer is prevented;
2. set up two sets of static dust excluding bars that remove in the case that induced drafts, adsorb the particulate matter in the smog to discharge to the dust collection box after certain cycle in, avoid the granule in the smog to persist in the printer, prevent to cause risks such as conflagration or explosion.
Drawings
FIG. 1 is a schematic front view of a gas circulation device for preventing oxidation of a 3D metal printer according to the present invention;
FIG. 2 is a schematic side view of a gas circulation device for preventing oxidation in a 3D metal printer according to the present invention;
FIG. 3 is a schematic side view of a cross-sectional structure of an air suction box of a gas circulation device for avoiding oxidation in a 3D metal printer according to the present invention;
FIG. 4 is a schematic diagram of a top view of a sieve plate of a gas circulation device for preventing oxidation in a 3D metal printer according to the present invention;
FIG. 5 is an enlarged schematic view of a portion A of FIG. 3 of a gas circulation device for avoiding oxidation in a 3D metal printer according to the present invention.
In the figure: 1. a printer chassis; 101. a notch; 102. a box door; 103. a printing platform; 104. a rubber plate; 2. an air suction box; 201. an air suction opening; 202. a hopper; 203. a sieve plate; 204. connecting columns; 205. a guide bar; 206. a vertical plate; 207. a feeding port; 208. a material pipe; 209. clamping a hoop; 210. a cloth bag; 3. a dust adsorption component; 301. an electrostatic precipitation bar; 302. a gear; 303. a roller; 304. a rack; 305. a guide rail; 306. connecting the main shaft; 307. a motor; 308. a chute; 4. an axial flow fan; 5. an air duct; 6. a cooling water pipe; 7. a dust collection box; 701. a box body; 702. a pulley; 703. a through hole; 8. a water pump; 9. a cold water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a gas circulation device for preventing oxidation of a 3D metal printer, which is shown in figures 1-5 and comprises a printer case 1, wherein an air suction box 2 is fixedly arranged in the printer case 1, connecting columns 204 are symmetrically arranged on two sides of the outer wall of the air suction box 2, the connecting columns 204 are fixedly connected with the inner wall of the printer case 1, an air suction opening 201 is fixedly arranged at the top of the air suction box 2, a hopper 202 is arranged at the top of the air suction opening 201, a sieve plate 203 is fixedly arranged at the top of the hopper 202, a feed opening 207 is arranged at the bottom of the air suction box 2, a material pipe 208 is fixedly arranged at the bottom of the feed opening 207, a material pipe 208 is also fixedly arranged at the.
Two groups of dust adsorption components 3 are arranged in the air suction box 2, each dust adsorption component 3 comprises two groups of electrostatic dust removal rods 301, two ends of each electrostatic dust removal rod 301 are respectively rotatably provided with a gear 302 and a roller 303, the bottoms of the gear 302 and the roller 303 are respectively provided with a rack 304 and a guide rail 305, a connecting main shaft 306 is arranged between the gear 302 and the roller 303 in a penetrating way, one end of the connecting main shaft 306 is fixedly provided with a motor 307, the gear 302 is meshed with the rack 304, the roller 303 is slidably connected with the guide rail 305, the top of the guide rail 305 is provided with a chute 308, the roller 303 is in clearance fit with the chute 308, the roller 303 and the gear 302 are fixedly arranged at two ends of the connecting main shaft 306 through bearings, two groups of guide rods 205 are fixedly arranged in the air suction box 2, two ends of the two groups of electrostatic dust removal rods 301 are provided, a linear bearing is fixedly arranged in the vertical plate 206 at the penetrating position of the guide rod 205, a printing platform 103 is arranged in the printer case 1, the screen plate 203 is positioned under the printing platform 103, and the screen plate 203 is fixedly arranged on the inner wall of the printer case 1 and is sealed with the inner wall of the printer case 1 through a rubber plate 104.
The equal fixed mounting in 2 both sides of case that induced drafts has axial fan 4, and the equal fixed mounting in air outlet of axial fan 4 has tuber pipe 5, and 5 surperficial rings of tuber pipe are provided with condenser tube 6, and 4 one ends of axial fan are kept away from to tuber pipe 5 runs through in printer machine case 1 top and extend to printer machine case 1, 6 one side fixedly connected with water pumps 8 of condenser tube, water pump 8's water inlet fixedly connected with cold water storage cistern 9.
The dust collection box 7 is arranged below the air suction box 2 in the printer case 1, the dust collection box 7 comprises a case body 701, pulleys 702 are fixedly mounted at four corners of the bottom of the case body 701, a through hole 703 is formed in the top of the case body 701, a notch 101 is formed in one side of the printer case 1, a case door 102 is hinged to the outer side of the notch 101, and the length and the width of the notch 101 are larger than the width and the height of the dust collection box 7.
The structure principle is as follows: an air suction box 2 is arranged below a printing platform 103 in a 3D printer case 1, air in an air pipe 5 is cooled through a cooling water pipe 6 and is circularly discharged into the printer to drive air in the case to flow, partial incomplete sintering caused by blocking of laser or electron transmission by the air is prevented, printing quality is improved, and oxidation of components in the printer is prevented;
set up the electrostatic precipitator stick 301 of two sets of removals in case 2 induced drafts, during the use, starter motor 307 and electrostatic precipitator stick 301 simultaneously utilize gear 302 to drive electrostatic precipitator stick 301 and remove in case 2 induced drafts, increase the adsorption area, in time adsorb the particulate matter in the smog to discharge to dust collection box 7 after certain period in, avoid the granule in the smog to stay in printer machine case 1, prevent to cause risks such as conflagration or explosion.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a 3D metal printer avoids gas circulating device for oxidation, includes printer machine case (1), its characterized in that: an air suction box (2) is fixedly arranged in the printer case (1), an air suction opening (201) is fixedly arranged at the top of the air suction box (2), and two groups of dust adsorption components (3) are arranged in the air suction box (2);
the dust adsorption component (3) comprises two groups of electrostatic dust removal rods (301), two ends of each electrostatic dust removal rod (301) are respectively rotatably provided with a gear (302) and a roller (303), the bottoms of the gears (302) and the rollers (303) are respectively provided with a rack (304) and a guide rail (305), a connecting main shaft (306) penetrates through the gears (302) and the rollers (303), one end of the connecting main shaft (306) is fixedly provided with a motor (307), the gears (302) are meshed with the racks (304), and the rollers (303) are slidably connected with the guide rails (305);
axial flow fans (4) are fixedly mounted on two sides of the air suction box (2), air outlets of the axial flow fans (4) are fixedly mounted with air pipes (5), cooling water pipes (6) are annularly arranged on the surfaces of the air pipes (5), and one ends, far away from the axial flow fans (4), of the air pipes (5) penetrate through the top of the printer case (1) and extend into the printer case (1);
be located air suction box (2) below in printer machine case (1) and be provided with dust collection box (7), dust collection box (7) include box (701), the equal fixed mounting in box (701) bottom four corners has pulley (702), and box (701) top has seted up through-hole (703).
2. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: the top of the air suction opening (201) is provided with a hopper (202), and the top of the hopper (202) is fixedly provided with a sieve plate (203).
3. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: connecting columns (204) are symmetrically arranged on two sides of the outer wall of the air suction box (2), and the connecting columns (204) are fixedly connected with the inner wall of the printer case (1).
4. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: it has two sets of guide bars (205), two sets of to inhale fixed mounting in case (2) electrostatic precipitator stick (301) both ends are provided with riser (206), and electrostatic precipitator stick (301) both ends rotate through the bearing and install in riser (206), guide bar (205) run through in riser (206), it has linear bearing to lie in guide bar (205) run through position fixed mounting in riser (206).
5. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: the top of the guide rail (305) is provided with a sliding groove (308), the roller (303) is in clearance fit with the sliding groove (308), and the roller (303) and the gear (302) are fixedly arranged at two ends of the connecting main shaft (306) through bearings.
6. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: the air suction box is characterized in that a feed opening (207) is formed in the bottom of the air suction box (2), a material pipe (208) is fixedly mounted at the bottom of the feed opening (207), the material pipe (208) is also fixedly mounted at the top of the through hole (703), and a cloth bag (210) is fixedly mounted between the two material pipes (208) through a hoop (209).
7. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: and a water pump (8) is fixedly connected to one side of the cooling water pipe (6), and a cold water tank (9) is fixedly connected to a water inlet of the water pump (8).
8. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: a notch (101) is formed in one side of the printer case (1), a case door (102) is hinged to the outer side of the notch (101), and the length and the width of the notch (101) are both larger than those of the dust collection case (7).
9. The 3D metal printer oxidation avoidance gas circulation apparatus of claim 1, wherein: be provided with in printer machine case (1) and print platform (103), sieve (203) are located under printing platform (103), and sieve (203) fixed mounting in printer machine case (1) inner wall, and pass through rubber slab (104) with printer machine case (1) inner wall and seal the setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332636.5A CN110947966A (en) | 2019-12-22 | 2019-12-22 | Gas circulation device for avoiding oxidation of 3D metal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332636.5A CN110947966A (en) | 2019-12-22 | 2019-12-22 | Gas circulation device for avoiding oxidation of 3D metal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110947966A true CN110947966A (en) | 2020-04-03 |
Family
ID=69983415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332636.5A Pending CN110947966A (en) | 2019-12-22 | 2019-12-22 | Gas circulation device for avoiding oxidation of 3D metal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110947966A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191066A (en) * | 2020-10-16 | 2021-01-08 | 孙国花 | Haze fine particle purifying equipment |
| CN112453430A (en) * | 2020-11-23 | 2021-03-09 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | 3D prints and prevents static storage box with metal powder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207256902U (en) * | 2017-08-11 | 2018-04-20 | 新昌县达科机电产品设计有限公司 | A kind of 3D printing fast dust-removing device |
| US20180126649A1 (en) * | 2016-11-07 | 2018-05-10 | Velo3D, Inc. | Gas flow in three-dimensional printing |
| CN108515697A (en) * | 2018-05-04 | 2018-09-11 | 芜湖众梦电子科技有限公司 | A kind of cooling back installation for 3D printer |
| CN208006272U (en) * | 2018-01-23 | 2018-10-26 | 河南鼎运实业有限公司 | A kind of dedusting mechanism for 3D printer |
| CN109277566A (en) * | 2017-07-21 | 2019-01-29 | Cl产权管理有限公司 | Manufacture to adding type the equipment of three-dimension object |
| CN109848416A (en) * | 2019-04-12 | 2019-06-07 | 上海应用技术大学 | A kind of filtrating smoke dust and powder recovering device of metal precinct laser fusion |
| CN110162150A (en) * | 2018-04-17 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of computer host box with high-effective dust-removing function |
-
2019
- 2019-12-22 CN CN201911332636.5A patent/CN110947966A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180126649A1 (en) * | 2016-11-07 | 2018-05-10 | Velo3D, Inc. | Gas flow in three-dimensional printing |
| CN109277566A (en) * | 2017-07-21 | 2019-01-29 | Cl产权管理有限公司 | Manufacture to adding type the equipment of three-dimension object |
| CN207256902U (en) * | 2017-08-11 | 2018-04-20 | 新昌县达科机电产品设计有限公司 | A kind of 3D printing fast dust-removing device |
| CN208006272U (en) * | 2018-01-23 | 2018-10-26 | 河南鼎运实业有限公司 | A kind of dedusting mechanism for 3D printer |
| CN110162150A (en) * | 2018-04-17 | 2019-08-23 | 苏州晨霞美合智能科技有限公司 | A kind of computer host box with high-effective dust-removing function |
| CN108515697A (en) * | 2018-05-04 | 2018-09-11 | 芜湖众梦电子科技有限公司 | A kind of cooling back installation for 3D printer |
| CN109848416A (en) * | 2019-04-12 | 2019-06-07 | 上海应用技术大学 | A kind of filtrating smoke dust and powder recovering device of metal precinct laser fusion |
Non-Patent Citations (1)
| Title |
|---|
| 姜成春: "《大气污染控制技术》", 30 June 2016, 中国环境出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191066A (en) * | 2020-10-16 | 2021-01-08 | 孙国花 | Haze fine particle purifying equipment |
| CN112453430A (en) * | 2020-11-23 | 2021-03-09 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | 3D prints and prevents static storage box with metal powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210846539U (en) | Environmental protection equipment with dust removal function | |
| CN110947966A (en) | Gas circulation device for avoiding oxidation of 3D metal printer | |
| CN207088448U (en) | A kind of cable processes highly efficient cooling device | |
| CN103505950A (en) | Dust collecting device for UV coating dust | |
| CN207509343U (en) | A kind of plate cutting dust guard | |
| CN212242608U (en) | Printing ink drying device for printing | |
| DE2223004A1 (en) | Device for removing material to be conveyed from a pneumatic conveying device | |
| CN209549708U (en) | A kind of grain processing dust-extraction unit convenient for dust | |
| CN114468598A (en) | Intelligent file cabinet with good moisture-proof effect | |
| CN206170228U (en) | Automatic retrieve wood strip machine of sweeps | |
| CN112060578A (en) | 3D printing apparatus cooling device | |
| CN209334853U (en) | A kind of aluminium alloy extrusions cutting equipment | |
| CN107166467A (en) | A kind of efficient kitchen ventilator of residential use | |
| CN206655833U (en) | A kind of wet curtain fan device | |
| DE60020525T2 (en) | METHOD FOR PRODUCING A VENTILATION DEVICE AND VENTILATION DEVICE | |
| CN214701085U (en) | Air circulation elevator with direction adjusting function | |
| CN115229213A (en) | Additive manufacturing's shaping storehouse cooling device | |
| EP3939853A1 (en) | Ventilator for railroad vehicle | |
| CN209100073U (en) | A kind of Tunnel Engineering air circulating device | |
| CN209335241U (en) | A kind of dust-extraction unit on aluminium alloy process equipment | |
| CN106871321A (en) | Fresh air purifier and its course of work | |
| CN113832345A (en) | Municipal administration environmental protection is with aluminium product rubbish recovery founding equipment | |
| CN206593263U (en) | Fresh air purifier | |
| CN111232601A (en) | Raw material conveyor is used in production of environment-friendly sepiolite | |
| CN213079373U (en) | Graphite dust recovery device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200403 |