CN106003468A - Powder recycling system and method - Google Patents
Powder recycling system and method Download PDFInfo
- Publication number
- CN106003468A CN106003468A CN201610295718.7A CN201610295718A CN106003468A CN 106003468 A CN106003468 A CN 106003468A CN 201610295718 A CN201610295718 A CN 201610295718A CN 106003468 A CN106003468 A CN 106003468A
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- China
- Prior art keywords
- powder
- filter
- connecting portion
- circulating pump
- duty
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- 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.)
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Classifications
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- 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
The invention provides a powder recycling system. The powder recycling system comprises a powder storing device, a filter, a powder collector and a circulating pump. The powder storing device receives some to-be-formed powder through a first communicating part. The filter is connected to the powder storing device through an air pipe. The powder collector is connected to the filter and comprises a filter screen. The circulating pump is connected between the powder storing device and the filter. When the circulating pump is located in a first working state, the to-be-formed powder in the powder storing device is conveyed to a filter chamber of the filter through the powder storing device, conveyed to the filter screen in the powder collector and filtered through the filter screen, and the powder collector outputs the filtered to-be-formed powder through an output port. The invention further provides a powder recycling method. According to the powder recycling system and method, the to-be-formed powder outside a forming area is recycled and reused, so that the utilization ratio of the to-be-formed powder is increased.
Description
Technical field
The present invention relates to a kind of powder recovery system and method, particularly relate to a kind of 3D(three-dimensional, three-dimensional) powder recovery system of printer and method.
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 one for loading the confession powder cylinder of powder to be formed, when carrying out 3D and printing, sintered one layer be positioned at shaping area powder to be formed after, by one for powder car carry out in shaping area spread powder, to carry out the sintering action of new one layer of powder to be formed again.But, for being layered in shaping area by powder to be formed, general can spread more powder to be formed for powder car in shaping area, has the region that more powder to be formed is laid often beyond shaping area, and then the waste of powder to be formed can be caused, reduce the utilization rate of powder to be formed.
Summary of the invention
In view of the foregoing, it is necessary to a kind of powder recovery system improving powder using efficiency to be formed and method are provided.
A kind of powder recovery system, including:
One powder-storing machine, is used for receiving some powder to be formed, and this powder-storing machine includes one first interconnecting part, one second interconnecting part and a third connecting portion, and wherein this powder-storing machine receives some powder to be formed by this first interconnecting part；
One filter, including one first connecting portion, one second connecting portion and one the 3rd connecting portion, the first connecting portion of this filter is connected to the 3rd connecting portion of this powder-storing machine by a trachea；
One powder collector, is connected to the 3rd connecting portion of this filter, and this powder collector includes a drainage screen and a delivery outlet；And
One circulating pump, is connected between the second interconnecting part of this powder-storing machine and the second connecting portion of this filter, and this circulating pump has one first duty and one second duty；
When this circulating pump is in the first duty, powder to be formed in this powder-storing machine is by the first connecting portion transmission of third connecting portion, trachea and this filter of this powder-storing machine to the filter chamber of this filter, and by the drainage screen in the 3rd connecting portion transmission of this filter to this powder collector, by this drainage screen, this powder to be formed being carried out filter operation, the powder to be formed after this powder collector will filter is exported by this delivery outlet.
A kind of Powder Recovery method, including:
Control an electromagnetic valve to be closed；
Control a switching device to be closed；
Control a circulating pump and work in one first duty；
The gas controlled in a filter is flowed to a powder-storing machine by this filter；
The powder to be formed controlled in this powder-storing machine is transmitted to the filter chamber of this filter through a trachea by this powder-storing machine；
Control this circulating pump and work in one second duty；
The powder to be formed controlled in this filter chamber drops down onto on the drainage screen in this powder collector；
Treat powder for molding by this drainage screen and carry out filter operation；
Control to drop down onto on this switching device powder to be formed after filtering；
Control this switching device and be in open mode；And
Control powder to be formed after filtering and supplied powder cylinder by by the output of this delivery outlet to one.
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.
Accompanying drawing explanation
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
| Leakage powder groove | 10 |
| Electromagnetic valve | 20 |
| Powder-storing machine | 30 |
| Controller | 40 |
| Circulating pump | 50 |
| Filter | 60 |
| Powder collector | 70 |
| Switching device | 700 |
| Drainage screen | 702 |
| Filtration members | 600 |
| For powder cylinder | 80 |
| Laser instrument | 90 |
| Forming 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 |
| 3rd connecting portion | 614 |
| Vibrating device | 710 |
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 first better embodiment of powder recovery system of the present invention include a leakage powder groove 10, by an electromagnetic valve 20 be connected to the powder-storing machine 30, of this leakage powder groove 10 be connected to the circulating pump 50, that the filter 60, of this powder-storing machine 30 is connected between this powder-storing machine 30 and this filter 60 be connected to the powder collector 70 and of this filter 60 be connected to this powder collector 70 for powder cylinder 80.In present embodiment, the action of this electromagnetic valve 20 and circulating pump 50 can be controlled by this controller 40.As controlled the switch of this electromagnetic valve 20 by this controller 40, controlling the state of this circulating pump 50.
In present embodiment, this confession powder cylinder 80 is mounted with some powder to be formed, and this powder to be formed can be laid on a forming room 100(as shown in Figure 2 by one for powder car by the powder to be formed in this confession powder cylinder 80) in shaping area in.Beyond the powder to be formed of shaping area when this leakage powder groove 10 lays powder to be formed for being collected in.
This powder-storing machine 30 includes one first interconnecting part 300,1 second interconnecting part 302 and a third connecting portion 304, and wherein this powder-storing machine 30 is connected to this leakage powder groove 10 by this first interconnecting part 300 by this electromagnetic valve 20, to receive some powder to be formed.In present embodiment, this first interconnecting part 300 is arranged at the top of this powder-storing machine 30, and this second interconnecting part 302 is arranged on the sidewall of this powder-storing machine 30, and this third connecting portion 304 is arranged at the bottom of this powder-storing machine 30.Powder to be formed in this leakage powder groove 10 can be collected in this powder-storing machine 30 by this first interconnecting part 300 under gravity.In other embodiments, the powder to be formed in this leakage powder groove 10 can be transferred in this powder-storing machine 30 by other means.
This filter 60 includes one first connecting portion 612,1 second connecting portion 610, the 3rd connecting portion 614 and is arranged at the filtration members 600 in this filter 60.In present embodiment, this first connecting portion 612 is arranged on the sidewall of this filter 60, and this second connecting portion 610 is arranged at the top of this filter 60, and the 3rd connecting portion 614 is arranged at the bottom of this filter 60.First connecting portion 612 of this filter 60 is connected to the third connecting portion 304 of this powder-storing machine 30 by a trachea 400, and this filtration members 600 is arranged at this second connecting portion 610.In present embodiment, this filtration members 600 comprises the air vent in some apertures, and the bore of each air vent is less than the diameter of powder to be formed.
This powder collector 70 is connected to the 3rd connecting portion 614 of this filter 60.This powder collector 70 includes drainage screen 702, switching device 700 and a delivery outlet 704.This switching device 700 is arranged between this drainage screen 702 and this delivery outlet 704, and this drainage screen 702 is arranged near the 3rd connecting portion 614.The delivery outlet 704 of this powder collector 70 is connected to this confession powder cylinder 80 by trachea 400.In present embodiment, this drainage screen 702 comprises some openings, and the bore of each opening can be more than the diameter of this powder to be formed, in order to powder to be formed is by this drainage screen 702.It addition, the impurity that the bore of the opening in this drainage screen 702 is smaller than in this powder to be formed (granule during as printed), the impurity in this powder to be formed can be filtered thus by this drainage screen 702.
This circulating pump 50 is connected between the second interconnecting part 302 of this powder-storing machine 30 and the second connecting portion 610 of this filter 60, and this circulating pump 50 has one first duty (such as opening) and one second duty (such as closed mode).In present embodiment, the working method of this circulating pump 50 is pulsed, as entered this second duty after this circulating pump 50 works in this next Preset Time of the first duty.
When this circulating pump 50 is in the first duty, this electromagnetic valve 20 is closed, this switching device 700 is closed, gas in the filter chamber 602 of this filter 60 is flowed to this second interconnecting part 302 by this second connecting portion 610, and the powder to be formed in this powder-storing machine 30 is transmitted to the filter chamber 602 of this filter 60 by the first connecting portion 612 of the third connecting portion 304 of this powder-storing machine 30, trachea 400 and this filter 60.Afterwards, this circulating pump 50 is in the second duty under the control of this controller 40, this circulating pump 50 stops extracting the gas in this filter chamber 602 out, now, the powder to be formed in this filter chamber 602 is dropped down onto on the drainage screen 702 in this powder collector 70 by the 3rd connecting portion 614 of this filter 60 under gravity.By the filtration of this filter 60, powder to be formed after filtering is dropped down onto on this switching device 700.Afterwards, this controller 40 controls this switching device 700 and opens so that powder to be formed after filtering is exported to this confession powder cylinder 80 by by this delivery outlet 704.In other embodiments, this drainage screen 702 also sets up a vibrating device 710, so that this powder to be formed is carried out sufficient filter operation.In other embodiments, this vibrating device 710 also may be disposed at other positions of this powder collector 70.
In present embodiment, the bore of this drainage screen 702 split shed is not less than the bore of the air vent of this filtration members 600.
Refer to Fig. 2, for the schematic diagram of the second better embodiment of powder recovery system of the present invention.Compared with first better embodiment of the present invention, this second better embodiment includes this forming room 100, and this forming room 100 is provided with a laser instrument 90.This laser instrument 90 is sintered action for Output of laser to the powder to be formed on shaping area in this forming room 100, to complete 3D printing.
Referring to Fig. 3, the better embodiment of Powder Recovery method of the present invention comprises the steps:
Step S300, controls an electromagnetic valve 20 and is closed.
Step S302, controls a switching device 700 and is closed.
Step S304, controls a circulating pump 50 and works in one first duty.
Step S306, the gas controlled in a filter 60 is flowed to a powder-storing machine 30 by this filter 60.
Step S308, the powder to be formed controlled in this powder-storing machine 30 is transmitted to the filter chamber 602 of this filter 60 through a trachea 400 by this powder-storing machine 30.
Step S310, controls this circulating pump 50 and works in one second duty.
Step S312, controls on the drainage screen 702 that the powder to be formed in this filter chamber 602 drops down onto in this powder collector 70.
Step S314, treats powder for molding by this drainage screen 702 and carries out filter operation.
Step S316, controls to drop down onto on this switching device 700 powder to be formed after filtering.
Step S318, controls this switching device 700 and is in open mode.
Step S320, controls powder to be formed after filtering and is exported to one for powder cylinder 80 by by this delivery outlet 704.
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 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 powder recovery system, including:
One powder-storing machine, is used for receiving some powder to be formed, and this powder-storing machine includes one first interconnecting part, one second interconnecting part and a third connecting portion, and wherein this powder-storing machine receives some powder to be formed by this first interconnecting part；
One filter, including one first connecting portion, one second connecting portion and one the 3rd connecting portion, the first connecting portion of this filter is connected to the 3rd connecting portion of this powder-storing machine by a trachea；
One powder collector, is connected to the 3rd connecting portion of this filter, and this powder collector includes a drainage screen and a delivery outlet；And
One circulating pump, is connected between the second interconnecting part of this powder-storing machine and the second connecting portion of this filter, and this circulating pump has one first duty and one second duty；
When this circulating pump is in the first duty, powder to be formed in this powder-storing machine is by the first connecting portion transmission of third connecting portion, trachea and this filter of this powder-storing machine to the filter chamber of this filter, and by the drainage screen in the 3rd connecting portion transmission of this filter to this powder collector, by this drainage screen, this powder to be formed being carried out filter operation, the powder to be formed after this powder collector will filter is exported by this delivery outlet.
2. powder recovery system as claimed in claim 1, it is characterised in that: being additionally provided with a filtration members in the filter chamber of this filter, this filtration members for preventing powder to be formed from entering this circulating pump when this circulating pump is in the first duty.
3. powder recovery system as claimed in claim 2, it is characterised in that: this powder collector also includes a switching device, and this switching device is arranged between this drainage screen and delivery outlet；When this circulating pump is in the first duty, this switching device is closed；When this circulating pump is in the second duty, this switching device is in open mode.
4. powder recovery system as claimed in claim 3, it is characterised in that: this powder recovery system also includes an electromagnetic valve, and when this electromagnetic valve is in open mode, this powder-storing machine receives some powder to be formed by this first interconnecting part.
5. the powder recovery system as described in any one in claim 2-4 item, it is characterised in that: this circulating pump is converted to work in the second duty after working in the first duty one Preset Time.
6. powder recovery system as claimed in claim 5, it is characterised in that: this powder recovery system also includes a vibrating device, and this drainage screen is connected to this vibrating device.
7. powder recovery system as claimed in claim 6, it is characterised in that: the bore of this drainage screen split shed is not less than the bore of the air vent in this filtration members.
8. powder recovery system as claimed in claim 7, it is characterised in that: the bore of this drainage screen split shed is less than the diameter of impurity in this powder to be formed.
9. a Powder Recovery method, including:
Control an electromagnetic valve to be closed；
Control a switching device to be closed；
Control a circulating pump and work in one first duty；
The gas controlled in a filter is flowed to a powder-storing machine by this filter；
The powder to be formed controlled in this powder-storing machine is transmitted to the filter chamber of this filter through a trachea by this powder-storing machine；
Control this circulating pump and work in one second duty；
The powder to be formed controlled in this filter chamber drops down onto on the drainage screen in this powder collector；
Treat powder for molding by this drainage screen and carry out filter operation；
Control to drop down onto on this switching device powder to be formed after filtering；
Control this switching device and be in open mode；And
Control powder to be formed after filtering and supplied powder cylinder by by the output of this delivery outlet to one.
10. Powder Recovery method as claimed in claim 9, it is characterised in that:
This circulating pump is converted to work in the second duty after working in the first duty one Preset Time.
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 true CN106003468A (en) | 2016-10-12 |
| CN106003468B CN106003468B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610295718.7A Active CN106003468B (en) | 2016-05-06 | 2016-05-06 | Powder recovery system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 increasing material manufacturing powder integrated treating device and powder processing method |
| CN110691685A (en) * | 2017-07-20 | 2020-01-14 | 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 |
| CN111615448A (en) * | 2018-04-27 | 2020-09-01 | 惠普发展公司，有限责任合伙企业 | Removing build material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110691685A (en) * | 2017-07-20 | 2020-01-14 | 惠普发展公司，有限责任合伙企业 | Building material regeneration device of three-dimensional (3D) printer |
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| 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 increasing material manufacturing powder integrated treating device and powder processing method |
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| Publication number | Publication date |
|---|---|
| CN106003468B (en) | 2018-11-13 |
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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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