CN105904731A - Gas duct system and printer with same - Google Patents
Gas duct system and printer with same Download PDFInfo
- Publication number
- CN105904731A CN105904731A CN201610263145.XA CN201610263145A CN105904731A CN 105904731 A CN105904731 A CN 105904731A CN 201610263145 A CN201610263145 A CN 201610263145A CN 105904731 A CN105904731 A CN 105904731A
- Authority
- CN
- China
- Prior art keywords
- inlet pipe
- diversion division
- ducting system
- air inlet
- flow
- 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.)
- Granted
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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
-
- 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
- B22F12/38—Housings, e.g. machine housings
-
- 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
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
- B22F10/322—Process control of the atmosphere, e.g. composition or pressure in a building chamber of the gas flow, e.g. rate or direction
-
- 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
-
- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A gas duct system comprises a forming chamber, a gas inlet pipe used for introducing protective gas into the forming chamber, and a gas outlet pipe used for pumping the gas out of the forming chamber. A first flow guide part connected with the gas inlet pipe and a second flow guide part connected with the gas outlet pipe are arranged in the forming chamber. The first flow guide part comprises a plurality of flow guide passages arranged at intervals. The gas inlet pipe is provided with at least one gas inlet pipe branch, and each gas inlet pipe branch abuts against the corresponding flow guide passage of the first flow guide part. The invention further provides a printer with the gas duct system. According to the gas duct system and the printer with the same, the gas inlet pipe is divided into the multiple gas inlet pipe branches, and the buffering purpose is realized through the corresponding flow guide passages in the first flow guide part, so that the dust generated in the forming chamber possibly due to a too high flow speed of the protective gas is avoided, and the printing quality is improved.
Description
Technical field
The present invention relates to a kind of ducting system and there is the printer of this ducting system, particularly relating to a kind of 3D(three-dimensional with this ducting system, three-dimensional) printer.
Background technology
3D printer is also known as three-dimensional printer, it is that one utilizes Rapid Prototyping technique, based on mathematical model file, use the powder to be formed that metal or nonmetallic materials are made, successively being melted/melt by the powder to be formed tiled, then the printing device that molding constructs the entity of three-dimensional is piled up in solidification.General 3D printer includes a forming room, when carrying out 3D and printing, for preventing the higher and to be formed powder of content oxygen amount in forming room and oxygen reaction, typically can be filled with noble gas in forming room by ducting system.But, when being filled with noble gas, if the speed of insufflation gas is inappropriate, then may blow afloat powder to be formed, cause ducting system occurs flue dust, so affect the transmitance of print quality, laser, so be also possible to as burning out laser transmission eyeglass.
Summary of the invention
In view of the foregoing, it is necessary to a kind of ducting system improving print quality is provided and there is the printer of this ducting system.
A kind of ducting system; including a forming room, an air inlet pipe and escape pipe of gas bleeding in this forming room being filled with protective gas in this forming room; the first diversion division and one being wherein provided with this air inlet pipe of connection in this forming room connects the second diversion division of this escape pipe; this first diversion division comprises some spaced flow-guiding channels; this air inlet pipe has an at least one air inlet pipe branch, each air inlet pipe branch with to should the flow-guiding channel of the first diversion division inconsistent.
A kind of printer, including a ducting system and a laser instrument, this laser instrument is used for Output of laser to be sintered the powder to be formed in this forming room, this ducting system includes a forming room, one air inlet pipe being filled with protective gas in this forming room and one escape pipe of gas bleeding in this forming room, the first diversion division and one being wherein provided with this air inlet pipe of connection in this forming room connects the second diversion division of this escape pipe, this first diversion division comprises some spaced flow-guiding channels, this air inlet pipe has at least one air inlet pipe branch, each air inlet pipe branch with to should the flow-guiding channel of the first diversion division inconsistent.
Compared to prior art; ducting system of the present invention and there is the printer of this ducting system by air inlet pipe being divided into some air inlet pipe branches; and the purpose of buffering is reached by flow-guiding channel corresponding in the first diversion division; avoid the dust occurred may cause this forming room because the flow velocity of protective gas is too fast in, improve print quality.
Accompanying drawing explanation
Fig. 1 is the block diagram of the better embodiment of ducting system of the present invention.
Fig. 2 is the schematic perspective view of the better embodiment of ducting system of the present invention.
Fig. 3 is the schematic diagram of the better embodiment of the position of splitter in ducting system of the present invention.
Fig. 4 is the schematic diagram of the better embodiment of the diverter in ducting system of the present invention.
Fig. 5 is the schematic diagram of the better embodiment of the kuppe in ducting system of the present invention.
Main element symbol description
| Forming room | 10 |
| First diversion division | 30 |
| Second diversion division | 20 |
| Escape pipe | 40 |
| Air inlet pipe | 50 |
| Position of splitter | 80 |
| Air inlet pipe branch | 501 |
| Escape pipe branch | 401 |
| Flow-guiding channel | 201、301 |
| Ducting system | 90 |
| Diverter | 60 |
| First diffluence pass | 603 |
| Transition part | 607 |
| Kink | 609 |
| Second diffluence pass | 605 |
| Ventilation inner tube | 601 |
| Kuppe | 70 |
| Dividing plate | 701 |
| Shunting post | 703 |
| Passageway | 705 |
| Receiving space | 715 |
| Air vent | 707 |
| Connecting portion | 709 |
| Convergence part | 711 |
| Laser instrument | 906 |
| Opening | 801 |
| Body | 713 |
| Interior flanging | 611 |
| Outer flanging | 613 |
| Circulating pump | 903 |
| Deaerating plant | 905 |
| Bottom surface | 101 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1; the better embodiment of ducting system of the present invention includes that a forming room 10, is filled with an air inlet pipe 50 and escape pipe 40 of gas bleeding in this forming room 10 of protective gas in this forming room 10, and the first diversion division 30 and being wherein provided with this air inlet pipe 50 of a connection in this forming room 10 connects the second diversion division 20 of this escape pipe 40.In present embodiment, being equipped with powder to be formed in this forming room 10, this powder to be formed is used for being sintered action.This protective gas can be noble gas, will not react with this powder to be formed.In present embodiment; protective gas can be filled with in this forming room 10 by a circulating pump 903; the gas that this escape pipe 40 is extracted out can comprise protective gas and oxygen that may be present; for recycling protective gas; the gas released by this escape pipe 40 can be passed through a deaerating plant 905; remove with oxygen present in gas; afterwards by filtration, drying and other steps; and under the effect of middle circulating pump 903, remaining protective gas is filled with in this forming room 10 again through air inlet pipe 50; so reach to economize on the purpose of gas, advantageously reduce cost during printing.
Refer to Fig. 2; this first diversion division 30 is oppositely arranged with this second diversion division 20; this first diversion division 30 comprises spaced some flow-guiding channels 301; this air inlet pipe 50 has at least one air inlet pipe branch 501; each air inlet pipe branch 501 with to should the flow-guiding channel 301 of the first diversion division 30 inconsistent, so that protective gas is inputted to this forming room 10 by corresponding flow-guiding channel 301.This second diversion division 20 also comprises spaced some flow-guiding channels 201, this escape pipe 40 has at least one escape pipe branch 401, each escape pipe branch 401 with to should the flow-guiding channel 201 of the second diversion division 20 inconsistent, gas is drawn in this forming room 10, and then keep the oxygen concentration in forming room 10 to maintain in certain scope, it is ensured that safety during printing.In present embodiment, this flow-guiding channel 201 and 301 is generally cylindrical, and these flow-guiding channel 201 and 301 equalizations are arranged in the diversion division of correspondence, and the sidewall of this forming room 10 can be offered the corresponding seal accessed for air inlet pipe 50 and escape pipe 40.In other embodiments, these flow-guiding channels 201 and 301 also can be other shape, also can unequal be arranged in the diversion division of correspondence.
In present embodiment, this air inlet pipe 50 is generally cylindrical, and the big I of each air inlet pipe branch 501 is identical, during such as a diameter of 60 millimeters of the cross section when this air inlet pipe 50, if there is 6 air inlet pipe branches 501, the diameter in the cross section of each air inlet pipe branch 501 can be 10 millimeters.By an air inlet pipe 50 is divided into some branches, advantageously reduce the speed of air-flow when protective gas is filled with, the speed being likely to be due to insufflation gas so can be avoided inappropriate and blow afloat the deficiency of powder to be formed.In other embodiments, the formation of this air inlet pipe 50, size are also not limited to this.
In present embodiment, the end face of this forming room 10 being provided with a laser instrument 906, this laser instrument 906 is for being sintered the powder to be formed being layed on this forming room 10 bottom surface 101 in this forming room 10, to carry out 3 D-printing.
Refer to Fig. 3; in present embodiment; can arrange a position of splitter 80 outside the side that this first diversion division 30 is relative with this second diversion division 20, this position of splitter 80 has some openings 801, carries out buffered with the protective gas flowing out the flow-guiding channel 301 through this first diversion division 30.The shape of this opening 801 can be square, circular or other kinds of shape.When the switch of this opening 801 is square, the size of this opening 801 can be 2*2 millimeter or the size of 5*6 millimeter, but be also not necessarily limited to these sizes, and it reaches the purpose of buffering with the flow-guiding channel 301 of this first diversion division 30 when need to coordinate.
Referring to Fig. 4, the escape pipe branch 401 of this escape pipe 40 can be accessed by a diverter 60 in the flow-guiding channel 201 of this second diversion division 20.This diverter 60 includes being connected to the first diffluence pass 603 of flow-guiding channel 201 in this second diversion division 20, the second diffluence pass 605 being connected to escape pipe branch 401 in this escape pipe 40 and the ventilation inner tube 601 of some regulation gas flow rates.In present embodiment, this diverter 60 is general " l " shape, and this escape pipe branch 401 is sheathed on outside this second diffluence pass 605.
In present embodiment, each ventilation inner tube 601 includes kink 609 and a transition part 607, and this kink 609 is folded upward at an angle from the length direction of this transition part 607 and is formed.This diverter 60 include one in flanging 611 and an outer flanging 613, the proportional relation of distance of the space of each ventilation inner tube 601 and this ventilation inner tube 601 to this interior flanging 611.In present embodiment, the cross-sectional sizes (space) that each ventilation inner tube 601 is in the kink 609 at the first diffluence pass 603 is roughly the same, and the cross-sectional sizes (space) that each ventilation inner tube 601 is in transition part 607 at the second diffluence pass 605 differs, during away from this interior flanging 611, the cross section of the kink 609 of this ventilation inner tube 601 is the biggest, during with this interior flanging 611 close together, the cross section of the kink 609 of this ventilation inner tube 601 is the least.Due to the length of each ventilation inner tube 601 differs (can be according to the length of each ventilation inner tube 601 center line as comparing, other embodiment is not limited to this), when gas is drawn out of, for avoiding the unstable gas extracted out, by the space of the kink 609 from this interior flanging 611 ventilation inner tube 601 farther out being more than the space of the kink 609 of the ventilation inner tube 601 close to this interior flanging 611, so that the time at the second diffluence pass 605 of the ventilation inner tube 601 shorter with reaching length at the second diffluence pass 605 reaching the longer ventilation inner tube 601 of length of gas is roughly the same, in so also can avoiding causing forming room 10 due to differing of gas flow rate in certain degree, dust produces.In other embodiments, each ventilation inner tube 601 is in the cross-sectional sizes (space) of the kink 609 at the first diffluence pass 603 and also there is certain difference, and its need are arranged on each ventilation inner tube 601 space at the second diffluence pass 605 and also can reach identical effect.
Referring to Fig. 5, the air inlet pipe branch 501 of this air inlet pipe 50 can be connected with the flow-guiding channel 301 of this first diversion division 30 by a kuppe 70.
In present embodiment, this kuppe 70 includes that a body 713, is positioned at the convergence part 711 of this body 713 first end, some shunting posts 703 and one and is arranged at the connecting portion 709 of this body 713 second end.This connecting portion 709 is connected with the flow-guiding channel 301 of this first diversion division 30, and this connecting portion 709 includes a dividing plate 701, and this dividing plate 701 is provided with some openings 801 for being filled with protective gas in this forming room 10.This body 713 has a receiving space 715, and these shunting posts 703 are arranged at intervals in the receiving space 715 of this body 713.First end of each shunting post 703 is connected on this dividing plate 701, and the second end of each shunting post 703 upwardly extends from this dividing plate 701.
In present embodiment, a passageway 705 is formed between adjacent shunting post 703, first end in this passageway 705 is formed between adjacent shunting post 703 first end, forming second end in this passageway 705 between adjacent shunting post 703 second end, the space between this passageway 705 first end is more than the space of this passageway 705 second end.
In present embodiment, this air inlet pipe 50 can be divided into some air inlet pipe branches 501, each air inlet pipe branch 501 also can be divided into some sub-air inlet pipe branches.Owing to the size of this air inlet pipe branch 501 may be less than the flow-guiding channel 301 of this first diversion division 30, thus by this kuppe 70 being located at outside this air inlet pipe branch 501 to further ensure the stability of air-flow.
Above-mentioned ducting system and there is the printer of this ducting system by air inlet pipe 50 being divided into some air inlet pipe branches 501; and the purpose of buffering is reached by flow-guiding channel 301 corresponding in the first diversion division 30; avoid the dust occurred may cause this forming room 10 because the flow velocity of protective gas is too fast in, improve print quality.It addition, by arranging kuppe 70 in air inlet pipe branch 501 and/or arranging diverter 60 in escape pipe branch 401, thus further up to the purpose of coutroi velocity.
Those skilled in the art will be appreciated that; above embodiment is intended merely to the present invention is described; and it is not used as limitation of the invention; as long as within the spirit of the present invention, made above example suitably change and change all to fall is asked within the scope of protection in the present invention.
Claims (10)
1. a ducting system; including a forming room, an air inlet pipe and escape pipe of gas bleeding in this forming room being filled with protective gas in this forming room; the first diversion division and one being wherein provided with this air inlet pipe of connection in this forming room connects the second diversion division of this escape pipe; it is characterized in that: this first diversion division comprises some spaced flow-guiding channels; this air inlet pipe has an at least one air inlet pipe branch, each air inlet pipe branch with to should the flow-guiding channel of the first diversion division inconsistent.
2. ducting system as claimed in claim 1, it is characterised in that: this second diversion division comprises some spaced flow-guiding channels, and this escape pipe has an at least one escape pipe branch, each escape pipe branch with to should the flow-guiding channel of the second diversion division inconsistent.
3. ducting system as claimed in claim 2, it is characterized in that: this ducting system also includes a diverter, this diverter includes being connected to the first diffluence pass of flow-guiding channel in this second diversion division, the second diffluence pass being connected to escape pipe branch in this escape pipe and the ventilation inner tube of some regulation gas flow rates.
4. ducting system as claimed in claim 3, it is characterised in that: each ventilation inner tube includes a kink and a transition part, and this kink is folded upward at an angle from the length direction of this transition part and is formed.
5. ducting system as claimed in claim 4, it is characterised in that: this diverter include one in flanging and an outer flanging, the proportional relation of distance of the space of each ventilation inner tube and this ventilation inner tube to this interior flanging.
6. ducting system as claimed in claim 2, it is characterized in that: this ducting system also includes a kuppe being connected with the air inlet pipe branch of this air inlet pipe, this kuppe includes a body, one convergence part being positioned at this body first end, some shunting posts and one are arranged at the connecting portion of this body the second end, this connecting portion is connected with the flow-guiding channel of this first diversion division, this connecting portion includes a dividing plate, some openings for being filled with protective gas in this forming room it are provided with on this dividing plate, this body has a receiving space, these shunting posts are arranged at intervals in the receiving space of this body.
7. ducting system as claimed in claim 6, it is characterised in that: the first end of each shunting post is connected on this dividing plate, and the second end of each shunting post upwardly extends from this dividing plate.
8. ducting system as claimed in claim 7, it is characterized in that: between adjacent shunting post, form a passageway, first end in this passageway is formed between adjacent shunting post the first end, forming second end in this passageway between adjacent shunting post the second end, the space between this passageway first end is more than the space of this passageway the second end.
9. the ducting system as described in any one in claim 1-8; it is characterized in that: this first diversion division is oppositely arranged with this second diversion division; the side that this first diversion division is relative with this second diversion division is outside equipped with a position of splitter; this position of splitter has some openings, carries out buffered with the protective gas flowing out the flow-guiding channel through this first diversion division.
10. a printer, including a laser instrument and the ducting system as described in claim 1-9 any one, this laser instrument is used for Output of laser to be sintered the powder to be formed in this forming room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610263145.XA CN105904731B (en) | 2016-04-26 | 2016-04-26 | Ducting system and the printer with the ducting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610263145.XA CN105904731B (en) | 2016-04-26 | 2016-04-26 | Ducting system and the printer with the ducting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105904731A true CN105904731A (en) | 2016-08-31 |
| CN105904731B CN105904731B (en) | 2018-01-19 |
Family
ID=56751949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610263145.XA Active CN105904731B (en) | 2016-04-26 | 2016-04-26 | Ducting system and the printer with the ducting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105904731B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407292A (en) * | 2018-05-11 | 2018-08-17 | 上海联泰科技股份有限公司 | 3D printing equipment and its gas-recycling plant |
| CN108556344A (en) * | 2018-05-09 | 2018-09-21 | 苏州倍丰激光科技有限公司 | Guiding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140128718A (en) * | 2013-04-29 | 2014-11-06 | 픽스테아주식회사 | Cure unit and apparatus for manufacturing printend electronics adopting the same |
| CN104353832A (en) * | 2014-10-24 | 2015-02-18 | 华南理工大学 | Method and equipment of sealed chamber atmosphere deoxygenization and circulating purification for metal 3D printer |
| CN204308193U (en) * | 2014-11-26 | 2015-05-06 | 广州瑞通激光科技有限公司 | A kind of increasing material manufacturing equipment protective gas feeding mechanism |
| CN105034378A (en) * | 2015-08-27 | 2015-11-11 | 中国科学院广州能源研究所 | Gas atmosphere-type 3D (Three Dimensional) printing box |
| CN105252004A (en) * | 2015-10-19 | 2016-01-20 | 华南理工大学 | Smoke dust detection and purifying method and device applied in 3D printing sealed cabin |
-
2016
- 2016-04-26 CN CN201610263145.XA patent/CN105904731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140128718A (en) * | 2013-04-29 | 2014-11-06 | 픽스테아주식회사 | Cure unit and apparatus for manufacturing printend electronics adopting the same |
| CN104353832A (en) * | 2014-10-24 | 2015-02-18 | 华南理工大学 | Method and equipment of sealed chamber atmosphere deoxygenization and circulating purification for metal 3D printer |
| CN204308193U (en) * | 2014-11-26 | 2015-05-06 | 广州瑞通激光科技有限公司 | A kind of increasing material manufacturing equipment protective gas feeding mechanism |
| CN105034378A (en) * | 2015-08-27 | 2015-11-11 | 中国科学院广州能源研究所 | Gas atmosphere-type 3D (Three Dimensional) printing box |
| CN105252004A (en) * | 2015-10-19 | 2016-01-20 | 华南理工大学 | Smoke dust detection and purifying method and device applied in 3D printing sealed cabin |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556344A (en) * | 2018-05-09 | 2018-09-21 | 苏州倍丰激光科技有限公司 | Guiding device |
| CN108556344B (en) * | 2018-05-09 | 2024-03-08 | 苏州倍丰智能科技有限公司 | Flow guiding device |
| CN108407292A (en) * | 2018-05-11 | 2018-08-17 | 上海联泰科技股份有限公司 | 3D printing equipment and its gas-recycling plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105904731B (en) | 2018-01-19 |
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Effective date of registration: 20180725 Address after: 528400 No. 23 Tongji Road, Nantou Town, Zhongshan City, Guangdong province (the first and second tier 1 of the first phase of Acer industrial city) Co-patentee after: Shanghai Han state Lian hang Laser Technology Co., Ltd. Patentee after: GUANGDONG HANBANG 3D TECHNOLOGY CO., LTD. Address before: 528400, six floor A area, No. 8 factory building, Torch Road Development Zone, Zhongshan, Guangdong. Co-patentee before: Liu Jianye Patentee before: GUANGDONG HANBANG 3D TECHNOLOGY CO., LTD. |