CN107695355A - Power spreading device for SLS printers - Google Patents
Power spreading device for SLS printers Download PDFInfo
- Publication number
- CN107695355A CN107695355A CN201711194709.XA CN201711194709A CN107695355A CN 107695355 A CN107695355 A CN 107695355A CN 201711194709 A CN201711194709 A CN 201711194709A CN 107695355 A CN107695355 A CN 107695355A
- Authority
- CN
- China
- Prior art keywords
- powder
- workbench
- case
- spreading device
- power spreading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
- 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
-
- 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
-
- 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
Abstract
The invention discloses a kind of power spreading device for SLS printers, including：Workbench, supporting table, for powder case, powder-laying roller and material collection case；Supporting table is arranged on worktable upper surface, and formed with interval between workbench, powder-laying roller is slidably disposed on the side of workbench by slide bar, at least two are disposed on the upper surface of supporting table for powder case, can be regularly for powder to the upper surface of workbench for powder case, and be engaged for cycle of the powder case for powder with the period of motion of powder-laying roller；The lower surface of workbench is provided with the clout collection port being connected with material collection case, material collection case is connected by conduit with for powder case, and transfer tube is additionally provided with conduit at least provided with two material collection casees on workbench.The power spreading device overcomes the problem of power spreading device of the prior art can not be carried out automatically plus powder operation is, it is necessary to manually be operated, and operating efficiency is low.
Description
Technical field
The present invention relates to SLS printers field, in particular it relates to a kind of power spreading device for SLS printers.
Background technology
Selective laser sintering (abbreviation SLS) is a kind of rapid shaping technique being widely used, and it is with solid powder material
Expect for raw material, carrying out successively scanning to the section of 3D solid using laser completes raw basin, not by part shape complexity journey
The limitation of degree, it is not necessary to any moulds of industrial equipment, have a wide range of application.3D effect can be printed using SLS rapid shaping techniques
Model, therefore, it is SLS type 3D printers that in the market, which has a kind of 3D printers, and simple 3D models can be gone out with printing speed.
In SLS type 3D printers, powder feeding or lower dust feeder are the powder material needed for SLS shaping supplies in generally use
Material.Lower powder feeding is existing most traditional SLS automatic powder feeding systems, but lower dust feeder is complicated, and the cost of manufacture of machine is high.On give
Powder device is will to be placed in shaping work cylinder top for powder chamber, can effectively utilize upper space so as to reduce device length size,
In the equipment course of work, the confession powder chamber that we can be opposite to top as needed adds new powder, so as to further subtract
Volume size for powder chamber, reduction SLS type 3D printers overall dimensions, reduction machine manufacturing cost less.But in the prior art
Power spreading device can not carry out automatically plus powder operate, it is necessary to manually be operated, operating efficiency is low.
Therefore it provides a kind of in use can equably tile dusty material onto workbench, and can be with
Benefit powder automatically is carried out for device, so that print job is carried out in order, improves the paving for SLS printers of production efficiency
The problem of powder device is urgent need to resolve of the present invention.
The content of the invention
For above-mentioned technical problem, the purpose of the present invention is to overcome power spreading device of the prior art to be added automatically
Powder is operated, it is necessary to manually be operated, the problem of operating efficiency is low, so as to provide it is a kind of in use can be by powder
Material equably tiles onto workbench, and automatically can carry out benefit powder for device, so that print job enters in order
OK, the power spreading device for SLS printers of production efficiency is improved.
To achieve these goals, it is described to be used for SLS the invention provides a kind of power spreading device for SLS printers
The power spreading device of printer includes：Workbench, supporting table, for powder case, powder-laying roller and material collection case；The supporting table is arranged on
The worktable upper surface, and be mounted slidably between the workbench formed with interval, the powder-laying roller by slide bar
In the side of the workbench, at least two upper surfaces that the supporting table is disposed on for powder case are described to supply powder case
Can regularly for powder to the upper surface of the workbench, and it is described for powder case for the cycle of powder and the period of motion of the powder-laying roller
It is engaged；The lower surface of the workbench at least provided with two material collection casees, be provided with the workbench with
The clout collection port that the material collection case is connected, the material collection case are connected by conduit with described for powder case, and
Transfer tube is additionally provided with the conduit.
Preferably, the material collection case is in funnel-form.
Preferably, the supporting table be additionally provided with the passage being connected for powder case, be provided with electricity in the passage
Valve, the timer being electrically connected with the electric valve is provided with the supporting table.
Preferably, the upper surface of electric valve is provided with pressure sensor, the lateral surface for powder case be provided with it is described
The display that pressure sensor is electrically connected with.
Preferably, the port of export of the passage is additionally provided with flour extraction pipe.
Preferably, it is described to be internally provided with stirring rod for powder case.
Preferably, the lateral surface for the powder case port of export is additionally provided with vibrator.
Preferably, the lower surface of the workbench is additionally provided with shaping box.
According to above-mentioned technical proposal, provided by the present invention for SLS printers power spreading device when in use, positioned at described
Regularly can be laid for powder case for powder to the upper surface of the workbench, the powder-laying roller to material powder in supporting table
Processing, the workbench are additionally provided with clout collection port, and unnecessary raw material passes through the clout in the presence of the powder-laying roller
Collection port is entered in the material collection case, and the material powder of collection in the presence of the transfer tube by passing through the conduit
It is recovered in the confession powder case, so as to realize the purpose of auto feed.Provided by the present invention for the power spreading device of SLS printers
Overcome that power spreading device of the prior art can not be carried out automatically plus powder operation is, it is necessary to manually operated, operating efficiency is low
Problem.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure of the power spreading device for SLS printers provided under a kind of preferred embodiment of the present invention
Schematic diagram；
Fig. 2 is to supply powder in the power spreading device for SLS printers provided under a kind of preferred embodiment of the present invention
The internal structure schematic diagram of case.
Description of reference numerals
The powder-laying roller of 1 workbench 2
3 shaping boxs 4 supply powder case
The transfer tube of 5 conduit 6
The clout collection port of 7 supporting table 8
The vibrator of 9 material collection case 10
The passage of 11 flour extraction pipe 12
The timer of 13 electric valve 14
The display of 15 stirring rod 16
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, " upper and lower, inside and outside " etc. is included in the noun of locality in term
Only represent orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, and be not construed as pair
The limitation of the term.
As depicted in figs. 1 and 2, it is described to be beaten for SLS the invention provides a kind of power spreading device for SLS printers
The power spreading device of print machine includes：Workbench 1, supporting table 7, for powder case 4, powder-laying roller 2 and material collection case 9；The supporting table 7 is set
Put in the upper surface of workbench 1, and formed with interval between the workbench 1, the powder-laying roller 2 by slide bar slidably
Ground is arranged on the side of the workbench 1, at least two upper surfaces that the supporting table 7 is disposed on for powder case 4, institute
Stating can be and described for cycle of the powder case 4 for powder and the powdering regularly for powder to the upper surface of the workbench 1 for powder case 4
The period of motion of roller 2 is engaged；The lower surface of the workbench 1 is at least provided with two material collection casees 9, the work
Make to be provided with the clout collection port 8 being connected with the material collection case 9 on platform 1, the material collection case 9 by conduit 5 with
It is described to be connected for powder case 4, and transfer tube 6 is additionally provided with the conduit 5.
According to above-mentioned technical proposal, provided by the present invention for SLS printers power spreading device when in use, positioned at described
Regularly material powder can be carried out for powder to the upper surface of the workbench 1, the powder-laying roller 2 for powder case 4 in supporting table 7
Laying is handled, and the workbench 1 is additionally provided with clout collection port 8, and unnecessary raw material passes through in the presence of the powder-laying roller 2
The clout collection port 8 is entered in the material collection case 9, and the material powder of collection is by the presence of the transfer tube 6
It is recovered to by the conduit 5 in the confession powder case 4, so as to realize the purpose of auto feed.Provided by the present invention for SLS
The power spreading device of printer overcomes power spreading device of the prior art to carry out adding powder operation automatically, it is necessary to manually be grasped
Make, the problem of operating efficiency is low.
In a kind of preferred embodiment of the present invention, the material collection case 9 is in funnel-form, and the shape is easy to raw material
Powder is transported in the confession powder case 4 from the material collection case 9, and the shape does not easily cause obstructing problem.
In a kind of preferred embodiment of the present invention, the supporting table 7 is additionally provided with to be connected with described for powder case 4
Passage 12, be provided with electric valve 13 in the passage 12, be provided with the supporting table 7 and be electrically connected with the electric valve 13
Timer 14, the electric valve 13 is used to control the break-make of the passage 12, supplies powder to work so as to be indirectly controlled, described fixed
When device 14 then be used for realize the timing for powder case 4 for powder work.
In a kind of preferred embodiment of the present invention, the upper surface of electric valve 13 is provided with pressure sensor, described
The lateral surface of powder case 4 is provided with the display 16 being electrically connected with the pressure sensor, the pressure sensor is used to examine
The weight for material powder in powder case 4 is surveyed, the result of detection is reflected by the display 16, so as to convenient work
Personnel check.
In a kind of preferred embodiment of the present invention, the port of export of the passage 12 is additionally provided with flour extraction pipe 11, institute
State flour extraction pipe 11 and be easy to the upper surface that material powder is launched to the workbench 1 exactly for powder case 4.
It is described to be internally provided with stirring rod 15 for powder case 4 in a kind of preferred embodiment of the present invention, it is described
Stirring rod 15 is used to be stirred the material powder for inside powder case 4, prevents the material powder conglomeration or generation
Obstructing problem.
In a kind of preferred embodiment of the present invention, the lateral surface for the port of export of powder case 4 is additionally provided with vibration
Device 10, the vibrator 10 can further prevent the material powder from producing obstruction in the exit for powder case 4 and asking
Topic.
In a kind of preferred embodiment of the present invention, the lower surface of the workbench 1 is additionally provided with shaping box 3, institute
State shaping box 3 be used for store formed printed product, complete printing after product taken out from the shaping box 3 and carry out clearly
Reason.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (8)
1. a kind of power spreading device for SLS printers, it is characterised in that the power spreading device for SLS printers includes：
Workbench (1), supporting table (7), for powder case (4), powder-laying roller (2) and material collection case (9)；The supporting table (7) is arranged on institute
State workbench (1) upper surface, and formed with interval between the workbench (1), the powder-laying roller (2) by slide bar slidably
Ground is arranged on the side of the workbench (1), and at least two confession powder casees (4) are disposed on the upper of the supporting table (7)
Surface, the confession powder case (4) can be regularly for the upper surfaces of powder to the workbench (1), and the confession powder case (4) supplies the week of powder
Phase is engaged with the period of motion of the powder-laying roller (2)；The lower surface of the workbench (1) is at least provided with two originals
Expect collecting box (9), the clout collection port (8) being connected with the material collection case (9), institute are provided with the workbench (1)
State material collection case (9) by conduit (5) with described for powder case (4) to be connected, and transfer tube is additionally provided with the conduit (5)
(6)。
2. the power spreading device according to claim 1 for SLS printers, it is characterised in that the material collection case (9)
In funnel-form.
3. the power spreading device according to claim 1 for SLS printers, it is characterised in that the supporting table (7) also sets
The passage (12) being connected with the confession powder case (4) is equipped with, electric valve (13), the supporting table are provided with the passage (12)
(7) timer (14) being electrically connected with the electric valve (13) is provided with.
4. the power spreading device according to claim 3 for SLS printers, it is characterised in that the upper table of electric valve (13)
Face is provided with pressure sensor, and the lateral surface for powder case (4) is provided with the display being electrically connected with the pressure sensor
Device (16).
5. the power spreading device for SLS printers according to claim 3 or 4, it is characterised in that the passage (12)
The port of export is additionally provided with flour extraction pipe (11).
6. the power spreading device according to claim 1 for SLS printers, it is characterised in that described for the interior of powder case (4)
Portion is provided with stirring rod (15).
7. the power spreading device according to claim 6 for SLS printers, it is characterised in that described for powder case (4) outlet
The lateral surface at end is additionally provided with vibrator (10).
8. the power spreading device according to claim 1 for SLS printers, it is characterised in that under the workbench (1)
Surface is additionally provided with shaping box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194709.XA CN107695355A (en) | 2017-11-24 | 2017-11-24 | Power spreading device for SLS printers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194709.XA CN107695355A (en) | 2017-11-24 | 2017-11-24 | Power spreading device for SLS printers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107695355A true CN107695355A (en) | 2018-02-16 |
Family
ID=61181002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711194709.XA Pending CN107695355A (en) | 2017-11-24 | 2017-11-24 | Power spreading device for SLS printers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107695355A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943730A (en) * | 2018-08-27 | 2018-12-07 | 四川大学 | A kind of SLS type 3D printing system that density is controllable |
| CN109263043A (en) * | 2018-11-26 | 2019-01-25 | 徐工集团工程机械有限公司 | The power spreading device and 3D printer of 3D printer |
| US11932494B2 (en) | 2021-05-25 | 2024-03-19 | Arcam Ab | Raw material delivery devices and methods of operating the same |
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|---|---|---|---|---|
| CN1283578A (en) * | 2000-07-03 | 2001-02-14 | 华中科技大学 | Automatic powder feeding system for quickly shaping |
| CN202317020U (en) * | 2011-12-05 | 2012-07-11 | 湖南华曙高科技有限责任公司 | Selective laser sintering powder loading/feeding device |
| CN105033265A (en) * | 2015-08-26 | 2015-11-11 | 硕威三维打印科技（上海）有限公司 | System and method for recycling and reusing laser forming old powder |
| CN105195741A (en) * | 2015-10-27 | 2015-12-30 | 上海航天精密机械研究所 | Automatic powder drying-screening-recycling device and method of material increase manufacture equipment |
| CN106003468A (en) * | 2016-05-06 | 2016-10-12 | 广东汉邦激光科技有限公司 | Powder recycling system and method |
| CN106141186A (en) * | 2016-08-18 | 2016-11-23 | 广东汉邦激光科技有限公司 | Power spreading device and there is the printer of this power spreading device |
| CN205763700U (en) * | 2016-07-14 | 2016-12-07 | 辽宁森远增材制造科技有限公司 | Sand mold makes of the Material collecting box for harvesting of laser 3D print platform |
| 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 |
-
2017
- 2017-11-24 CN CN201711194709.XA patent/CN107695355A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283578A (en) * | 2000-07-03 | 2001-02-14 | 华中科技大学 | Automatic powder feeding system for quickly shaping |
| CN202317020U (en) * | 2011-12-05 | 2012-07-11 | 湖南华曙高科技有限责任公司 | Selective laser sintering powder loading/feeding device |
| CN105033265A (en) * | 2015-08-26 | 2015-11-11 | 硕威三维打印科技（上海）有限公司 | System and method for recycling and reusing laser forming old powder |
| CN105195741A (en) * | 2015-10-27 | 2015-12-30 | 上海航天精密机械研究所 | Automatic powder drying-screening-recycling device and method of material increase manufacture equipment |
| CN106003468A (en) * | 2016-05-06 | 2016-10-12 | 广东汉邦激光科技有限公司 | Powder recycling system and method |
| CN205763700U (en) * | 2016-07-14 | 2016-12-07 | 辽宁森远增材制造科技有限公司 | Sand mold makes of the Material collecting box for harvesting of laser 3D print platform |
| CN106141186A (en) * | 2016-08-18 | 2016-11-23 | 广东汉邦激光科技有限公司 | Power spreading device and there is the printer of this power spreading device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943730A (en) * | 2018-08-27 | 2018-12-07 | 四川大学 | A kind of SLS type 3D printing system that density is controllable |
| CN108943730B (en) * | 2018-08-27 | 2021-03-30 | 四川大学 | Controllable SLS type 3D printing system of density |
| CN109263043A (en) * | 2018-11-26 | 2019-01-25 | 徐工集团工程机械有限公司 | The power spreading device and 3D printer of 3D printer |
| US11932494B2 (en) | 2021-05-25 | 2024-03-19 | Arcam Ab | Raw material delivery devices and methods of operating the same |
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Application publication date: 20180216 |