CN106003468B - Powder recovery system and method - Google Patents
Powder recovery system and method Download PDFInfo
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- CN106003468B CN106003468B CN201610295718.7A CN201610295718A CN106003468B CN 106003468 B CN106003468 B CN 106003468B CN 201610295718 A CN201610295718 A CN 201610295718A CN 106003468 B CN106003468 B CN 106003468B
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- Prior art keywords
- powder
- filter
- storing machine
- connecting portion
- circulating pump
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
-
- 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
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
Abstract
A kind of powder recovery system includes a powder-storing machine, a filter, a powder collector and a circulating pump.The powder-storing machine receives several powder to be formed by first interconnecting part.The filter is connected to the powder-storing machine by a tracheae.The powder collector is connected to the filter, which includes a filter screen.The circulating pump is connected between the powder-storing machine and the filter.When the circulating pump is in the first working condition, powder to be formed in the powder-storing machine is transmitted to by the powder-storing machine in the filter chamber of the filter, and it is transmitted to the filter screen in the powder collector, operation is filtered to the powder to be formed by the filter screen, which exports filtered powder to be formed by the delivery outlet.The present invention also provides a kind of Powder Recovery methods.Powder recovery system of the present invention and method carry out recycling by the powder to be formed outside to shaping area, improve the utilization rate of powder to be formed.
Description
Technical field
The present invention relates to a kind of powder recovery system and methods, particularly relate to a kind of 3D（Three-dimensional, three
Dimension）The powder recovery system and method for printer.
Background technology
3D printer is also known as three-dimensional printer, is a kind of to be adopted based on digital model file using rapid prototyping technology
Then the powder to be formed made of metal or nonmetallic materials cures the successively fusing/thawing of tiled powder to be formed
Accumulation molding constructs the printing device of three-dimensional entity.General 3D printer includes a confession for loading powder to be formed
Powder cylinder is located at being sintered one layer in shaping area after powder to be formed, by a powder supply vehicle in shaping area when carrying out 3D printing
Powdering is carried out, the sintering to carry out new one layer of powder to be formed again acts.However, for powder to be formed to be layered in shaping area,
General powder supply vehicle can spread more powder to be formed in shaping area, have the region that more powder to be formed is laid past
It is past to exceed shaping area, and then the waste of powder to be formed can be caused, reduce the utilization rate of powder to be formed.
Invention content
In view of the foregoing, it is necessary to which a kind of powder recovery system that powder using efficiency to be formed can be improved and side are provided
Method.
A kind of powder recovery system, including：
One powder-storing machine, for receiving several powder to be formed, which includes one first interconnecting part, one second interconnecting part
And a third connecting portion, the wherein powder-storing machine pass through first interconnecting part and receive several powder to be formed；
One filter, including a first connecting portion, a second connecting portion and a third interconnecting piece, the first of the filter connects
Socket part is connected to the third interconnecting piece of the powder-storing machine by a tracheae；
One powder collector, is connected to the third interconnecting piece of the filter, which includes a filter screen and a delivery outlet；And
One circulating pump is connected between the second interconnecting part of the powder-storing machine and the second connecting portion of the filter, the cycle
Pump has one first working condition and one second working condition；
When the circulating pump is in the first working condition, the powder to be formed in the powder-storing machine is connected by the third of the powder-storing machine
The third that the first connecting portion in logical portion, tracheae and the filter is transmitted in the filter chamber of the filter, and passes through the filter
Interconnecting piece is transmitted to the filter screen in the powder collector, is filtered operation to the powder to be formed by the filter screen, the powder collector
Filtered powder to be formed is exported by the delivery outlet.
A kind of Powder Recovery method, including：
A solenoid valve is controlled to be closed；
A switching device is controlled to be closed；
It controls a circulating pump and works in one first working condition；
The gas controlled in a filter flows to a powder-storing machine by the filter；
The powder to be formed controlled in the powder-storing machine is transmitted to through a tracheae in the filter chamber of the filter by the powder-storing machine；
It controls the circulating pump and works in one second working condition；
It controls on the filter screen that the indoor powder to be formed of the filtering drops down onto in the powder collector；
Powder for molding, which is treated, by the filter screen is filtered operation；
Control drops down onto powder to be formed after filtering on the switching device；
It is in the open state to control the switching device；And
The powder to be formed of control after filtering by the delivery outlet by being exported to a powder supply cylinder.
Above-mentioned powder recovery system and method carry out recycling by the powder to be formed outside to shaping area, improve
The utilization rate of powder to be formed.
Description of the drawings
Fig. 1 is the schematic diagram of the first better embodiment of powder recovery system of the present invention.
Fig. 2 is the schematic diagram of the second better embodiment of powder recovery system of the present invention.
Fig. 3 is the flow chart of the better embodiment of Powder Recovery method of the present invention.
Main element symbol description
| Leak powder tank | 10 |
| Solenoid valve | 20 |
| Powder-storing machine | 30 |
| Controller | 40 |
| Circulating pump | 50 |
| Filter | 60 |
| Powder collector | 70 |
| Switching device | 700 |
| Filter screen | 702 |
| Filtration members | 600 |
| Powder supply cylinder | 80 |
| Laser | 90 |
| Molding room | 100 |
| First interconnecting part | 300 |
| Second interconnecting part | 302 |
| Third connecting portion | 304 |
| Filter chamber | 602 |
| Delivery outlet | 704 |
| First connecting portion | 612 |
| Second connecting portion | 610 |
| Third interconnecting piece | 614 |
| Vibrating device | 710 |
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
Referring to Fig. 1, the first better embodiment of powder recovery system of the present invention, which includes a leakage powder tank 10, one, passes through one
The powder-storing machine 30, one that solenoid valve 20 is connected to the leakage powder tank 10 is connected to the filter 60, one of the powder-storing machine 30 and is connected to the storage
The powder collector 70 and one that circulating pump 50, one between powder device 30 and the filter 60 is connected to the filter 60 is connected to the collection powder
The powder supply cylinder 80 of device 70.In present embodiment, the action of the solenoid valve 20 and circulating pump 50 can be controlled by the controller 40.
The switch of the solenoid valve 20 is such as controlled by the controller 40, controls the state of the circulating pump 50.
In present embodiment, which is mounted with several powder to be formed, the powder to be formed in the powder supply cylinder 80
The powder to be formed can be laid on a molding room 100 by a powder supply vehicle（As shown in Figure 2）In interior shaping area.The leakage powder tank
10 for collecting the powder to be formed beyond shaping area when being laid with powder to be formed.
The powder-storing machine 30 includes one first interconnecting part 300, one second interconnecting part 302 and a third connecting portion 304, wherein should
Powder-storing machine 30 is connected to the leakage powder tank 10 by first interconnecting part 300 by the solenoid valve 20, to receive several powder to be formed
End.In present embodiment, which is set to the top of the powder-storing machine 30, which is set to this
On the side wall of powder-storing machine 30, which is set to the lower part of the powder-storing machine 30.Powder to be formed in the leakage powder tank 10
End can be collected in by first interconnecting part 300 in the powder-storing machine 30 under the effect of gravity.In other embodiments, the leakage powder
Powder to be formed in slot 10 can be transferred to by other means in the powder-storing machine 30.
The filter 60 includes a first connecting portion 612, a second connecting portion 610, a third interconnecting piece 614 and is set to
Filtration members 600 in the filter 60.In present embodiment, which is set on the side wall of the filter 60,
The second connecting portion 610 is set to the top of the filter 60, which is set to the lower part of the filter 60.
The first connecting portion 612 of the filter 60 is connected to the third connecting portion 304 of the powder-storing machine 30, the filtering by a tracheae 400
Part 600 is arranged at the second connecting portion 610.In present embodiment, which includes the ventilation hole in several apertures,
The bore of each ventilation hole is less than the diameter of powder to be formed.
The powder collector 70 is connected to the third interconnecting piece 614 of the filter 60.The powder collector 70 include a filter screen 702,
One switching device 700 and a delivery outlet 704.The switching device 700 is set between the filter screen 702 and the delivery outlet 704, should
Filter screen 702 is arranged close to the third interconnecting piece 614.The delivery outlet 704 of the powder collector 70 is connected to the powder supply by tracheae 400
Cylinder 80.In present embodiment, which includes several openings, and the bore of each opening can be more than the powder to be formed
Diameter, so that powder to be formed passes through the filter screen 702.In addition, the bore of the opening in the filter screen 702 is smaller than this and waits for into
Impurity in type powder（Particle when such as printing）, so by the filter screen 702 can to the impurity in the powder to be formed into
Row filtering.
The circulating pump 50 is connected to the second connecting portion 610 of the second interconnecting part 302 and the filter 60 of the powder-storing machine 30
Between, which has one first working condition（Such as open state）And one second working condition（Such as closed state）.This
In embodiment, the working method of the circulating pump 50 is pulsed, such as when the circulating pump 50 works under first working condition
Enter second working condition after one preset time.
When the circulating pump 50 is in the first working condition, which is closed, at the switching device 700
Second interconnecting part 302 is flowed to by the second connecting portion 610 in the gas in closed state, the filter chamber 602 of the filter 60,
Powder to be formed in the powder-storing machine 30 by the third connecting portion 304 of the powder-storing machine 30, tracheae 400 and the filter 60 first
Interconnecting piece 612 is transmitted in the filter chamber 602 of the filter 60.Later, the circulating pump 50 is under the control of the controller 40
In the second working condition, which stops extracting out the gas in the filter chamber 602, at this point, being waited in the filter chamber 602
Powder for molding drops down onto the filter screen in the powder collector 70 by the third interconnecting piece 614 of the filter 60 under gravity
On 702.By the filtration of the filter 60, powder to be formed after filtering is dropped down onto on the switching device 700.It
Afterwards, which controls the switching device 700 and opens so that powder to be formed after filtering is by passing through the delivery outlet 704
It exports to the powder supply cylinder 80.In other embodiments, a vibrating device 710 is also set up on the filter screen 702, to wait for into this
Type powder carries out sufficient filter operation.In other embodiments, which also may be disposed at the powder collector 70
Other positions.
In present embodiment, the bore of 702 split shed of filter screen is not less than the bore of the ventilation hole of the filtration members 600.
Referring to Fig. 2, the schematic diagram of the second better embodiment for powder recovery system of the present invention.With the of the present invention
One better embodiment is compared, which includes the molding room 100, which is provided with a laser
Device 90.The laser 90 is sintered action for exporting laser to the powder to be formed on shaping area in the molding room 100, with
Complete 3D printing.
Referring to Fig. 3, the better embodiment of Powder Recovery method of the present invention includes the following steps：
Step S300, one solenoid valve 20 of control are closed.
Step S302, one switching device 700 of control are closed.
Step S304, one circulating pump 50 of control work in one first working condition.
Step S306, the gas controlled in a filter 60 flow to a powder-storing machine 30 by the filter 60.
Step S308, the powder to be formed controlled in the powder-storing machine 30 are transmitted to this by the powder-storing machine 30 through a tracheae 400
In the filter chamber 602 of filter 60.
Step S310 controls the circulating pump 50 and works in one second working condition.
Step S312 is controlled on the filter screen 702 that the powder to be formed in the filter chamber 602 drops down onto in the powder collector 70.
Step S314 treats powder for molding by the filter screen 702 and is filtered operation.
Step S316, control drop down onto powder to be formed after filtering on the switching device 700.
It is in the open state to control the switching device 700 by step S318.
Step S320 controls powder to be formed after filtering by by the delivery outlet 704 output to a powder supply cylinder 80.
Above-mentioned powder recovery system and method carry out recycling by the powder to be formed outside to shaping area, improve
The utilization rate of powder to be formed.
Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as within the spirit of the present invention, made by above example
Appropriate change and variation is all fallen within the scope of the present invention asks protection.
Claims (9)
1. a kind of powder recovery system, including：
One powder-storing machine, for receiving several powder to be formed, which includes one first interconnecting part, one second interconnecting part and one
Third connecting portion, the wherein powder-storing machine receive several powder to be formed by first interconnecting part；
One filter, including a first connecting portion, a second connecting portion and a third interconnecting piece, the first connecting portion of the filter
The third connecting portion of the powder-storing machine is connected to by a tracheae；
One powder collector, is connected to the third interconnecting piece of the filter, which includes a filter screen and a delivery outlet；
One solenoid valve is set between first interconnecting part and a leakage powder tank；
One switching device, the switching device are set between the filter screen and delivery outlet；And
One circulating pump is connected between the second interconnecting part of the powder-storing machine and the second connecting portion of the filter, circulating pump tool
There are one first working condition and one second working condition；
When the circulating pump is in the first working condition, which is closed, which is closed,
Powder to be formed in the powder-storing machine is transmitted to by the first connecting portion of the third connecting portion of the powder-storing machine, tracheae and the filter
In the filter chamber of the filter；When the circulating pump is in the second working condition, third that powder to be formed passes through the filter
Interconnecting piece is transmitted to the filter screen in the powder collector, controls this after being filtered operation to the powder to be formed by the filter screen and opens
Pass device is in the open state, which exports filtered powder to be formed by the delivery outlet.
2. powder recovery system as described in claim 1, it is characterised in that：A filtering is additionally provided in the filter chamber of the filter
Part, the filtration members when the circulating pump is in the first working condition for preventing powder to be formed from entering the circulating pump.
3. powder recovery system as claimed in claim 2, it is characterised in that：When the solenoid valve in the open state, the storage
Powder device receives several powder to be formed by first interconnecting part.
4. powder recovery system as claimed in claim 2 or claim 3, it is characterised in that：The circulating pump works in the first working condition
It is converted to after one preset time and works in the second working condition.
5. powder recovery system as claimed in claim 4, it is characterised in that：The powder recovery system further includes vibration dress
It sets, which is connected to the vibrating device.
6. powder recovery system as claimed in claim 5, it is characterised in that：The bore of the filter screen split shed is not less than the mistake
Filter the bore of the ventilation hole in part.
7. powder recovery system as claimed in claim 6, it is characterised in that：The bore of the filter screen split shed is waited for into less than this
The diameter of impurity in type powder.
8. a kind of Powder Recovery method, including：
A solenoid valve is controlled to be closed；
A switching device is controlled to be closed；
It controls a circulating pump and works in one first working condition；
The gas controlled in a filter flows to a powder-storing machine by the filter；
The powder to be formed controlled in the powder-storing machine is transmitted to through a tracheae in the filter chamber of the filter by the powder-storing machine；
It controls the circulating pump and works in one second working condition；
It controls on the filter screen that the indoor powder to be formed of the filtering drops down onto in a powder collector；
Powder for molding, which is treated, by the filter screen is filtered operation；
Control drops down onto powder to be formed after filtering on the switching device；
It is in the open state to control the switching device；And
The powder to be formed of control after filtering is exported by the delivery outlet by the powder collector to a powder supply cylinder；The wherein powder-storing machine
Including one first interconnecting part, one second interconnecting part and a third connecting portion, which includes a first connecting portion, one second company
Socket part and a third interconnecting piece, the first connecting portion of the filter are connected to the third connecting portion of the powder-storing machine by a tracheae,
The powder collector is connected to the third interconnecting piece of the filter, which is set between first interconnecting part and a leakage powder tank,
The circulating pump is connected to the second connecting portion of the second interconnecting part and the filter of the powder-storing machine.
9. Powder Recovery method as claimed in claim 8, it is characterised in that：
The circulating pump, which works in after one preset time of the first working condition to be converted to, works in the second working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295718.7A CN106003468B (en) | 2016-05-06 | 2016-05-06 | Powder recovery system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295718.7A CN106003468B (en) | 2016-05-06 | 2016-05-06 | Powder recovery system and method |
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| Publication Number | Publication Date |
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| CN106003468A CN106003468A (en) | 2016-10-12 |
| CN106003468B true CN106003468B (en) | 2018-11-13 |
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| CN110691685B (en) * | 2017-07-20 | 2022-03-18 | 惠普发展公司，有限责任合伙企业 | Building material regeneration device of three-dimensional (3D) printer |
| CN110891767A (en) * | 2017-07-28 | 2020-03-17 | 惠普发展公司，有限责任合伙企业 | Three-dimensional printer with conveying tool |
| CN107695355A (en) * | 2017-11-24 | 2018-02-16 | 安徽科元三维技术有限公司 | Power spreading device for SLS printers |
| EP3723965A4 (en) * | 2018-04-27 | 2021-07-21 | Hewlett-Packard Development Company, L.P. | Removing build material |
| CN109774148A (en) * | 2019-02-28 | 2019-05-21 | 共享智能铸造产业创新中心有限公司 | A kind of additive manufacturing powder integrated processing device and powder processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7971991B2 (en) * | 2006-05-26 | 2011-07-05 | Z Corporation | Apparatus and methods for handling materials in a 3-D printer |
| CN103213279B (en) * | 2012-01-19 | 2015-11-18 | 研能科技股份有限公司 | Automatic powder recycling system |
| CN204122757U (en) * | 2014-10-27 | 2015-01-28 | 湖北工业大学 | A kind of powder automatic circulating system of laser 3D printer |
| TWI590877B (en) * | 2014-10-29 | 2017-07-11 | 研能科技股份有限公司 | Closed?powder recycling?post-treatment system |
| CN205032733U (en) * | 2015-10-14 | 2016-02-17 | 西北有色金属研究院 | Negative pressure deposition apparatus |
| CN205704844U (en) * | 2016-05-06 | 2016-11-23 | 广东汉邦激光科技有限公司 | Powder recovery system and printer with the powder recovery system |
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Address after: 528400, six floor A area, No. 8 factory building, Torch Road Development Zone, Zhongshan, Guangdong. Applicant after: GUANGDONG HANBANG3D TECHNOLOGY Co.,Ltd. Applicant after: GUANGDONG HUAKUAI PHOTON TECHNOLOGY CO.,LTD. Applicant after: Liu Jianye Address before: 528400, six floor A area, No. 8 factory building, Torch Road Development Zone, Zhongshan, Guangdong. Applicant before: GUANGDONG HANBANG3D TECHNOLOGY Co.,Ltd. Applicant before: Guangdong Hantang Quantum Optoelectronics Technology Co.,Ltd. Applicant before: Liu Jianye |
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Effective date of registration: 20180913 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) Applicant after: GUANGDONG HANBANG3D TECHNOLOGY Co.,Ltd. Address before: 528400, six floor A area, No. 8 factory building, Torch Road Development Zone, Zhongshan, Guangdong. Applicant before: GUANGDONG HANBANG3D TECHNOLOGY Co.,Ltd. Applicant before: GUANGDONG HUAKUAI PHOTON TECHNOLOGY CO.,LTD. Applicant before: Liu Jianye |
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