CN107932901B - Automatic raw material recycling device for SLS printer - Google Patents
Automatic raw material recycling device for SLS printer Download PDFInfo
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- CN107932901B CN107932901B CN201711193555.2A CN201711193555A CN107932901B CN 107932901 B CN107932901 B CN 107932901B CN 201711193555 A CN201711193555 A CN 201711193555A CN 107932901 B CN107932901 B CN 107932901B
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- 239000002994 raw material Substances 0.000 title claims abstract description 70
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 75
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000007480 spreading Effects 0.000 claims description 7
- 238000003892 spreading Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 241000951498 Brachypteraciidae Species 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- 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
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- 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]
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- 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
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- 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
- B22F12/30—Platforms or substrates
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- 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
- B22F12/60—Planarisation devices; Compression devices
- B22F12/63—Rollers
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- 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
- B22F12/90—Means for process control, e.g. cameras or sensors
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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- 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)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses an automatic raw material recycling device for an SLS printer, which comprises: the device comprises a workbench, a supporting table, a powder supply box, a cleaning plate and a raw material collecting box; the support table is arranged on the upper surface of the workbench, a gap is formed between the support table and the workbench, at least two powder supply boxes are arranged on the upper surface of the support table at intervals, and the powder supply boxes can supply powder to the upper surface of the workbench at regular time; the lower surface of the workbench is at least provided with two raw material collecting boxes, the workbench is provided with a residual material collecting port communicated with the raw material collecting boxes, the raw material collecting boxes are communicated with the powder supply box through guide pipes, and the guide pipes are also provided with powder suction pumps. The automatic raw material recycling device overcomes the defects that an SLS printer in the prior art is not provided with a cleaning device, needs manual cleaning, is time-consuming and labor-consuming, and has low working efficiency; and the raw materials can not be added automatically, and the raw materials also need to be added manually, so that the working efficiency is low.
Description
Technical Field
The invention relates to the field of SLS printers, in particular to an automatic raw material recycling device for an SLS printer.
Background
Selective laser sintering (SLS for short) is a widely used rapid prototyping technology, which uses solid powder material as raw material, and adopts laser to scan the cross section of a three-dimensional entity layer by layer to complete prototype manufacture, and is not limited by the complexity of the shape of a part, does not need any tooling die, and has wide application range. Utilize the model that SLS rapid prototyping technique can print out the 3D effect, consequently, have one type of 3D printer on the market to be SLS type 3D printer, can print out simple 3D model fast.
However, the SLS printer in the prior art is not provided with a cleaning device, needs manual cleaning, is time-consuming and labor-consuming, and has low working efficiency; and the raw materials can not be added automatically, and the raw materials also need to be added manually, so that the working efficiency is low.
Therefore, the invention provides an automatic raw material recycling device for an SLS printer, which can quickly and effectively clean a printed workbench in the using process and automatically add the cleaned and recovered raw materials into a powder supply box so as to improve the working efficiency.
Disclosure of Invention
Aiming at the technical problems, the invention aims to overcome the defects that the SLS printer in the prior art is not provided with a cleaning device, needs manual cleaning, is time-consuming and labor-consuming, and has low working efficiency; and also can not add the raw materials automatically, need the manual work to add equally, problem that work efficiency is low to provide one kind and can clear up the workstation after accomplishing to print fast effectively in the use, can add the raw materials automatic that the clearance was retrieved to the confession powder case moreover, thereby improve work efficiency's the automatic cyclic utilization device of raw materials that is used for the SLS printer.
In order to achieve the above object, the present invention provides an automatic recycling apparatus for a raw material for an SLS printer, the automatic recycling apparatus comprising: the device comprises a workbench, a supporting table, a powder supply box, a cleaning plate and a raw material collecting box; the support table is arranged on the upper surface of the workbench, a gap is formed between the support table and the workbench, at least two powder supply boxes are arranged on the upper surface of the support table at intervals, and the powder supply boxes can supply powder to the upper surface of the workbench at regular time; the lower surface of the workbench is provided with at least two raw material collecting boxes, the workbench is provided with a residual material collecting port communicated with the raw material collecting boxes, the raw material collecting boxes are communicated with the powder supply box through guide pipes, and the guide pipes are also provided with powder suction pumps; wherein, the upper surface part of workstation inwards caves in and forms the recess, one side of cleaning plate is passed through the articulated setting of articulated elements and is in the recess is close to one side of clout collection mouth, just the cleaning plate can use the articulated elements is rotatory from top to bottom as the axle.
Preferably, the lower surface of workstation is provided with the driving pump, the last piston rod vertical setting of driving pump, the lower surface of clearance board is provided with the connecting piece, the upper end of piston rod pass the workstation and with the connecting piece is articulated mutually.
Preferably, the raw material collecting box is internally provided with a filter plate, and the filter plate divides the interior of the raw material collecting box into an upper cavity and a lower cavity.
Preferably, the lower chamber is funnel-shaped.
Preferably, raw materials automatic cycle utilizes device still includes spreads the powder roller, spread the both ends of powder roller and set up through slide bar slidable respectively the side of workstation, just supply powder case to supply the powder the cycle with spread the motion cycle of powder roller and be matched with.
Preferably, the outlet end of the powder supply box is provided with an electric valve, and the powder supply box is further provided with a timer electrically connected with the electric valve.
Preferably, the upper surface of electrovalve is provided with pressure sensor, the lateral surface of confession powder case be provided with pressure sensor electric connection's display.
According to the technical scheme, when the automatic raw material recycling device for the SLS printer is used, the powder supply box on the support table can supply powder to the upper surface of the workbench at regular time, after printing is completed, redundant raw materials left on the upper surface of the workbench need to be cleaned, the cleaning plate is adjusted to rotate towards the direction far away from the workbench, then the raw materials of the workbench enter the raw material collection box through the excess material collection port under the action of gravity, and the collected raw materials are recovered to the powder supply box through the guide pipe under the action of the powder suction pump. The automatic raw material recycling device for the SLS printer overcomes the defects that the SLS printer in the prior art is not provided with a cleaning device, needs manual cleaning, is time-consuming and labor-consuming, and is low in working efficiency; and the raw materials can not be added automatically, and the raw materials also need to be added manually, so that the working efficiency is low.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an automatic recycling device for raw materials for an SLS printer according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a using device of an automatic raw material recycling device for an SLS printer according to a preferred embodiment of the present invention.
Description of the reference numerals
1 workbench and 2 powder laying rollers
3 display 4 powder supply box
5 conduit 6 drive pump
7 supporting table 8 excess material collecting port
9 raw material collecting box 10 filter plates
11 cleaning plate 12 connecting piece
13 piston rod 14 groove
15 driving pump
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, inner, outer" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1 and 2, the present invention provides an automatic recycling apparatus for raw materials for an SLS printer, the automatic recycling apparatus for raw materials comprising: the device comprises a workbench 1, a support table 7, a powder supply box 4, a cleaning plate 11 and a raw material collecting box 9; the support table 7 is arranged on the upper surface of the workbench 1, a gap is formed between the support table and the workbench 1, at least two powder supply boxes 4 are arranged on the upper surface of the support table 7 at intervals, and the powder supply boxes 4 can supply powder to the upper surface of the workbench 1 at regular time; the lower surface of the workbench 1 is at least provided with two raw material collecting boxes 9, the workbench 1 is provided with a residual material collecting port 8 communicated with the raw material collecting boxes 9, the raw material collecting boxes 9 are communicated with the powder supply box 4 through a guide pipe 5, and the guide pipe 5 is also provided with a powder suction pump 6; wherein, the upper surface part of workstation 1 is inwards sunken to form recess 14, one side of cleaning plate 11 is passed through the articulated setting of articulated elements and is in recess 14 is close to one side of clout collection mouth 8, just cleaning plate 11 can with the articulated elements is rotatory from top to bottom as the axle.
According to the technical scheme, when the automatic raw material recycling device for the SLS printer is used, the powder supply box 4 on the support table 7 can supply powder to the upper surface of the workbench 1 at regular time, after printing is completed, redundant raw materials left on the upper surface of the workbench 1 need to be cleaned, the cleaning plate 11 is adjusted to rotate towards the direction far away from the workbench 1, then the raw materials of the workbench 1 enter the raw material collection box 9 through the excess material collection port 8 under the action of gravity, and the collected raw materials are recovered to the powder supply box 4 through the guide pipe 5 under the action of the powder suction pump 6. The automatic raw material recycling device for the SLS printer overcomes the defects that the SLS printer in the prior art is not provided with a cleaning device, needs manual cleaning, is time-consuming and labor-consuming, and is low in working efficiency; and the raw materials can not be added automatically, and the raw materials also need to be added manually, so that the working efficiency is low.
In a preferred embodiment of the present invention, a driving pump 15 is disposed on a lower surface of the working platform 1, a piston rod 13 on the driving pump 15 is vertically disposed, a connecting member 12 is disposed on a lower surface of the cleaning plate 11, an upper end of the piston rod 13 passes through the working platform 1 and is hinged to the connecting member 12, when the driving pump 15 is adjusted, the piston rod 13 extends and retracts to drive the cleaning plate 11 to rotate, and the connecting member 12 enables the cleaning plate 11 to rotate more smoothly.
In a preferred embodiment of the present invention, a filter plate 10 is further disposed inside the raw material collection box 9, the filter plate 10 divides the inside of the raw material collection box 9 into an upper chamber and a lower chamber, and the filter plate 10 can effectively filter the collected raw material powder, thereby improving the quality of the collected raw material.
In a preferred embodiment of the invention, the lower chamber is funnel-shaped, which facilitates the transfer of raw powder from the raw material collection tank 9 to the powder supply tank 4, and which is less prone to clogging problems.
In a preferred embodiment of the present invention, the automatic raw material recycling device further includes a powder spreading roller 2, two ends of the powder spreading roller 2 are slidably disposed on a side surface of the workbench 1 through slide rods, and a powder supply period of the powder supply tank 4 is matched with a movement period of the powder spreading roller 2, where matching means that after the powder spreading roller 2 completes one-time laying, the powder supply tank 4 close to the powder spreading roller 2 performs one-time powder supply operation.
In a preferred embodiment of the present invention, an electric valve is disposed at an outlet end of the powder supply box 4, and a timer electrically connected to the electric valve is further disposed on the powder supply box 4, the electric valve is configured to control on/off of the outlet of the powder supply box 4, so as to indirectly control powder supply, and the timer is configured to implement timing powder supply of the powder supply box 4.
In a preferred embodiment of the present invention, a pressure sensor is disposed on an upper surface of the electric valve, a display 3 electrically connected to the pressure sensor is disposed on an outer side surface of the powder supply box 4, the pressure sensor is configured to detect a weight of the raw material powder in the powder supply box 4, and a detected result is reflected by the display 3, so that a worker can conveniently check the detected result.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (4)
1. The utility model provides an automatic cyclic utilization device of raw materials for SLS printer which characterized in that, the automatic cyclic utilization device of raw materials includes: the powder feeding device comprises a workbench (1), a supporting table (7), a powder feeding box (4), a cleaning plate (11) and a raw material collecting box (9); the supporting table (7) is arranged on the upper surface of the workbench (1), a gap is formed between the supporting table and the workbench (1), at least two powder supply boxes (4) are arranged on the upper surface of the supporting table (7) at intervals, and the powder supply boxes (4) can supply powder to the upper surface of the workbench (1) at regular time; the lower surface of the workbench (1) is at least provided with two raw material collecting boxes (9), the workbench (1) is provided with a residual material collecting port (8) communicated with the raw material collecting boxes (9), the raw material collecting boxes (9) are communicated with the powder supply box (4) through a guide pipe (5), and the guide pipe (5) is also provided with a powder suction pump (6); wherein,
the upper surface part of the workbench (1) is inwards recessed to form a groove (14), one side of the cleaning plate (11) is hinged to one side, close to the excess material collecting port (8), of the groove (14) through a hinge piece, and the cleaning plate (11) can rotate up and down by taking the hinge piece as a shaft;
a driving pump (15) is arranged on the lower surface of the workbench (1), a piston rod (13) on the driving pump (15) is vertically arranged, a connecting piece (12) is arranged on the lower surface of the cleaning plate (11), and the upper end of the piston rod (13) penetrates through the workbench (1) and is hinged to the connecting piece (12); the raw material collecting box (9) is internally provided with a filter plate (10), and the filter plate (10) divides the interior of the raw material collecting box (9) into an upper cavity and a lower cavity; raw materials automatic cycle utilizes device still sets up through slide bar slidable ground roller (2) including spreading powder roller (2) the both ends of spreading powder roller (2) are in respectively the side of workstation (1), just supply powder case (4) to supply the powder the cycle with spread the motion cycle of powder roller (2) and be matched with.
2. The automated feedstock recycling apparatus for an SLS printer of claim 1, wherein the lower chamber is funnel shaped.
3. The automatic raw material recycling device for the SLS printer according to claim 1, wherein an electric valve is arranged at the outlet end of the powder supply box (4), and a timer electrically connected with the electric valve is further arranged on the powder supply box (4).
4. The automatic raw material recycling device for the SLS printer according to claim 3, wherein the upper surface of the electric valve is provided with a pressure sensor, and the outer side surface of the powder supply box (4) is provided with a display (3) electrically connected with the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193555.2A CN107932901B (en) | 2017-11-24 | 2017-11-24 | Automatic raw material recycling device for SLS printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193555.2A CN107932901B (en) | 2017-11-24 | 2017-11-24 | Automatic raw material recycling device for SLS printer |
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| Publication Number | Publication Date |
|---|---|
| CN107932901A CN107932901A (en) | 2018-04-20 |
| CN107932901B true CN107932901B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711193555.2A Active CN107932901B (en) | 2017-11-24 | 2017-11-24 | Automatic raw material recycling device for SLS printer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941554B (en) * | 2018-06-18 | 2020-08-28 | 安徽太极计算机有限公司 | Laser melting forming machine with excess material recovery function |
| CN108788149B (en) * | 2018-06-18 | 2020-08-18 | 安徽太极计算机有限公司 | Bidirectional paving laser processing system |
| CN109604597B (en) * | 2018-12-26 | 2024-03-29 | 西安铂力特增材技术股份有限公司 | Powder recovery device in printing process of SLM (selective laser deposition) part |
| CN113102780A (en) * | 2021-04-13 | 2021-07-13 | 北京科技大学 | Selective laser melting forming system and using method |
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| CN202028770U (en) * | 2010-12-21 | 2011-11-09 | 湖南美纳科技有限公司 | Selective laser sintering single-face powder-feeding apparatus realized by using powder-returning groove |
| CN204701159U (en) * | 2015-06-09 | 2015-10-14 | 西安科技大学 | A kind of large-scale SLS forming machine automatic powder reclaiming device |
| CN105772720A (en) * | 2016-01-29 | 2016-07-20 | 吉林大学 | Gradient 3D laying method of powder materials and adopted laying device |
| CN206140933U (en) * | 2016-09-29 | 2017-05-03 | 天津大格科技有限公司 | Cleaning device for base of 3D printer |
| CN206200125U (en) * | 2016-09-29 | 2017-05-31 | 天津大格科技有限公司 | A kind of micro metal powder 3D printer power spreading device |
| CN106984817A (en) * | 2017-05-28 | 2017-07-28 | 安徽科元三维技术有限公司 | Power spreading device for 3D printer |
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2017
- 2017-11-24 CN CN201711193555.2A patent/CN107932901B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| CN202028770U (en) * | 2010-12-21 | 2011-11-09 | 湖南美纳科技有限公司 | Selective laser sintering single-face powder-feeding apparatus realized by using powder-returning groove |
| CN204701159U (en) * | 2015-06-09 | 2015-10-14 | 西安科技大学 | A kind of large-scale SLS forming machine automatic powder reclaiming device |
| CN105772720A (en) * | 2016-01-29 | 2016-07-20 | 吉林大学 | Gradient 3D laying method of powder materials and adopted laying device |
| CN206140933U (en) * | 2016-09-29 | 2017-05-03 | 天津大格科技有限公司 | Cleaning device for base of 3D printer |
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| CN106984817A (en) * | 2017-05-28 | 2017-07-28 | 安徽科元三维技术有限公司 | Power spreading device for 3D printer |
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Effective date of registration: 20200224 Address after: 415137 No. 99, Yingfeng North Road, Shahe neighborhood committee, Zhufeng Town, Xidongting Management District, Changde City, Hunan Province Applicant after: Hunan Taili Hengyou Technology Development Co. Ltd. Address before: 241200 Anhui city of Wuhu province Fanchang County Economic Development Zone Applicant before: Anhui Keyuan three-dimensional technology Co., Ltd. |
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