CN206065412U - The powder feeder unit of the laser sintered equipment of new selective - Google Patents
The powder feeder unit of the laser sintered equipment of new selective Download PDFInfo
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- CN206065412U CN206065412U CN201621028422.0U CN201621028422U CN206065412U CN 206065412 U CN206065412 U CN 206065412U CN 201621028422 U CN201621028422 U CN 201621028422U CN 206065412 U CN206065412 U CN 206065412U
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- powder
- leakage
- portable plate
- tube cell
- feeder unit
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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
Abstract
This utility model discloses a kind of powder feeder unit of the laser sintered equipment of new selective, leakage tube cell is provided with above the workbench of device, the leakage tube cell top is connected with feed hopper, bottom is provided with portable plate, the portable plate with fixed by horizontal gliding movement targeting structure, Lou powder seat is fixed with the portable plate, the leakage powder seat is provided with Lou powder slotted eye, the portable plate is provided with return spring, this utility model powder discharger is slided between leakage tube cell and base plate using powder-leakage plate, by the slip of powder-leakage plate, realize powder leakage hole and leak powder passage or leak docking for powder groove, complete powder from leakage powder pipeline to be transported at Lou powder groove and fall, realize the quantitatively supplying powder of powder, and powder funnel can supply bag etc. with powder and be joined directly together, substitute artificial benefit powder；Drive powder-leakage plate to move using the drive block of driving powder-laying roller, realize the function automatically for powder powdering.
Description
Technical field
This utility model is related to selective laser sintering and moulding technology field, more particularly to a kind of selective laser sintering
Powder discharger and powder feeder unit of the one side for powder.
Background technology
At present, 3D printer is occurred gradually in the visual field of people, and the 3D printing of selective laser sintering (abbreviation SLS)
Machine also increasingly embodies considerable effect as a kind of important means of industrial processes.The technology is with pressed powder as original
CAD model is converted into entity by material.According to factors such as material character, product structure and technological requirements, SLS3D is printed and is set
Standby power spreading device sintering of the very thin powder of uniform layer overlay for a layer cross section shape, thickness of powder bed on work platformses
Degree, density, uniformity etc. all directly affect sintering quality.
Being coated with for powder is the critical process for affecting 3D printing Forming Quality, shaping speed and reliability, and it includes powder
Supply and roller compaction two parts, in traditional powder sintered quick shaping, adopt multiple working cylinders more selective laser sintering
For powder mode, that is, the working cylinder being arranged in parallel and moulding cylinder is supplied, in the course of the work, after the completion of one layer of powder forming, working cylinder
In working face decline one layer, rise one layer for the piston in moulding cylinder, release a certain amount of powder, by powder-laying roller or scraper plate
Powder is layered on working face, unnecessary powder is unloaded into powder cylinder excessive to both sides after completing powdering.As during powdering, powder is completely sudden and violent
In the work environment, the centrifugal force that powder-laying roller motion is produced sheds in the powder bed and work completed powder with outskirt to dew
Domain, affects powdering quality, and the working environment to equipment to pollute.
In order to further improve powdering efficiency, improve powdering quality.People are further changed for powder power spreading device to SLS
It is kind.Such as the powder-supply system that Tongji University's university research goes out, which adopts confession powder mode, i.e., carry out quantitatively supplying powder above work platformses,
And integrated, the independent power spreading device module of formation is moved with powder-laying roller；Setting for 3D printing has been saved in the design in original degree
Standby space, for powder process is also more accurate, cleaning, but the equipment needs precise control to leaking powder process, such as leak powder amount with
Leak powder speed and with the quantitative relationship between power spreading device translational speed, this is especially high to control system requirement, additionally, should
The powder discharger of mode on the table repeatedly lay layer dusty material after, it is sometimes desirable to manually carry out feed supplement, to operator with
It is inconvenient to come, and affects forming efficiency.
Chinese patent CN 203409251 proposes one kind for Selective Laser Sintering automatic feeding powder feeder unit,
The device is provided with material storing box, and when the multiple powdering of powder-laying roller, the set point number on computer touches postive stop baffle by powder-laying roller
Number of times counting, the data of record are passed to discharge controller by enumerator, control powder in material storing box by discharge controller
Flow out.Although the device solves the problems, such as the artificial feed supplement that said apparatus are likely to occur, but is the increase in 3D printing equipment
Space, and complex structure, need more transmissions and control device, are unfavorable for the control of technique and ensure equipment dependability.
Utility model content
Technical problem to be solved in the utility model is to realize one kind for Selective Laser Sintering, Neng Goujing
The accurate one side powder discharger for powder.
To achieve these goals, the technical solution adopted in the utility model is：The laser sintered equipment of new selective
Leakage tube cell is provided with above the workbench of powder feeder unit, the leakage tube cell top is connected with feed hopper, and bottom is provided with portable plate, described
Portable plate is fixed by horizontal gliding movement targeting structure, and Lou powder seat is fixed with the portable plate, and the leakage powder seat is provided with Lou
Powder slotted eye, the portable plate are provided with return spring, when leak powder seat horizontal direction do not stress when, the leakage powder slotted eye with leakage tube cell
In non-leakage powdery state, when powder seat horizontal direction force is leaked, the leakage powder slotted eye is with the para-position of leakage tube cell in leakage powdery for dislocation
State；
The leakage powder seat bottom surface of the leakage powder groove side is protruding with contact block, and the leakage powder groove opposite side is provided with drive block, institute
State, be fixed on above the drive block and supported on conveyer belt, above the powder-laying roller by guide wheel
Drive block be horizontally fixed with powder feeding belt, the powder feeding belt is protruding with the dividing plate vertical with its transmission direction, when described
With during drive block horizontal direction displacement, the dividing plate is contacted powder feeding belt with contact block.
The return spring connection portable plate and leakage tube cell.
The guide wheel is all provided with the limited block of restricted drive block displacement range by Motor drive by two guide wheels.
Damping mechanism is provided with the roller for supporting the powder feeding belt.
The two ends of the workbench are provided with excessive powder hole, and the upper surface of the upper surface in the excessive powder hole and the work platformses
Concordantly.
The guide wheel is fixed on elevating mechanism, and the guide wheel is provided with the range finder of measurement guide wheel and workbench spacing
Structure.
The feed hopper is joined directly together with powder supply bag.
This utility model powder discharger is slided between leakage tube cell and base plate, by the cunning of powder-leakage plate using powder-leakage plate
It is dynamic, docking for powder leakage hole and leakage powder passage or leakage powder groove is realized, powder is completed and is fallen from leaking to be transported at Lou powder groove in powder pipeline,
The quantitatively supplying powder of powder is realized, and powder funnel can supply bag etc. with powder and be joined directly together, and substitute artificial benefit powder；Using driving
The drive block of powder-laying roller realizes the function automatically for powder powdering driving powder-leakage plate to move.
Description of the drawings
Below the labelling in the content and figure of every width accompanying drawing expression in this utility model description is briefly described：
Powder feeder unit structural representations of the Fig. 1 for Selective Laser Sintering；
Fig. 2 is powder feeding belt composition schematic diagram in Fig. 1；
Labelling in above-mentioned figure is：1st, feed hopper；2nd, guide wheel；3rd, portable plate；4th, leak powder seat；5th, contact block；6th, powdering
Roller；7th, powder feeding belt；8th, return spring；9th, excessive powder hole；10th, limited block；11st, leak tube cell；12nd, drive block；13rd, workbench.
Specific embodiment
As shown in figure 1, powder feeder unit is provided with vertical fixed leakage tube cell 11,11 top of leakage tube cell is connected with feed hopper 1, is entered
Hopper 1 can supply bag etc. with powder and be joined directly together, and substitute artificial benefit powder.11 bottom of leakage tube cell is provided with portable plate 3, portable plate 3
Fixed by the gliding movement targeting structure of level, then portable plate 3 relative can leak 11 horizontal direction of tube cell and slidably reciprocate, in order to limit
Portable plate 3 and the relative position of leakage tube cell 11, are provided with return spring 8, the drawing of return spring 8 between portable plate 3 and leakage tube cell 11
Stretch direction identical with the glide direction of portable plate 3, then, when portable plate 3 does not laterally stress, work ensure that by return spring 8
Dynamic plate 3 is with leakage tube cell 11 in a more fixed relative position.
Lou powder seat 4 is fixed with portable plate 3, leakage powder seat 4 is provided with Lou powder slotted eye, can spill downwards by leaking powder slotted eye
Blanking powder, when 4 horizontal direction of leakage powder seat does not stress, leakage powder slotted eye is in non-leakage powdery state with the leakage dislocation of tube cell 11, that is, leak powder
Pipe 11 is not connected with leakage powder slotted eye, and the state in being plugged, feed powder cannot be trickled down, and when powder 4 horizontal direction force of seat is leaked, is returned
Position spring 8 can be stretched or extrude, and portable plate 3 can change with the relative position of leakage tube cell 11, that is, leak powder slotted eye with leakage powder
11 para-position of pipe is in leakage powdery state；Leakage tube cell 11 is connected with leakage powder slotted eye, and feed powder is then trickled down by leaking powder slotted eye.
4 bottom surface of leakage powder seat of leakage powder groove side is protruding with contact block 5, and leakage powder groove opposite side is provided with drive block 12, drive block
Fix on a moving belt above in the of 12, conveyer belt is supported by guide wheel 2, and guide wheel 2 is all provided with by two guide wheels 2 restricted by Motor drive
The limited block 10 of 12 displacement range of drive block, the direction of motion of conveyer belt are identical with the direction of motion of portable plate 3, under drive block 12
Side is provided with powder-laying roller 6, is workbench 13 below leakage powder slotted eye and powder-laying roller 6, and powder-laying roller 6 is used to pave to trickle down in workbench 13
Feed powder.
Powder feeding belt 7 is horizontally fixed with drive block 12 above powder-laying roller 6, as shown in Fig. 2 powder feeding belt 7 is by two
Roller supporting, the direction of motion of powder feeding belt 7 are identical with the direction of motion of conveyer belt, and powder feeding belt 7 is protruding with and powder feeding skin
With the dividing plate that 7 transmission directions are vertical, the gap between dividing plate is used to deposit powder, when powder feeding belt 7 is with 12 level side of drive block
When displacement, dividing plate is contacted with contact block 5.So when belt-driven drive block 12 is moved to contact block 5, powder feeding belt 7
Dividing plate can promote contact block 5 drive 3 shifted laterally of portable plate so that leakage powder slotted eye with leakage tube cell 11 connect be in leak powdery
State, powder by powder slotted eye whereabouts is leaked, while contact block 5 also can reversely promote powder feeding belt 7 to rotate, in order to ensure between the two
With the power for interacting enough, in the roller for supporting powder feeding belt 7, damping mechanism is provided with.When powder feeding belt 7 collects feed powder foot
After enough, drive block 12 can be moved backward, and contact block 5 can still be dialed powder feeding belt 7 and rotate, and the feed powder of its surface collection is rotated and is dissipated
Fall on workbench 13, while movable block is in the presence of return spring 8, can also reset, that is, leak powder slotted eye and leak tube cell 11 times
To misaligned state, in non-leakage powdery state, leakage tube cell 11 is not connected with leakage powder slotted eye, and leakage tube cell 11 is plugged, and feed powder cannot be spilt
Fall.
The powder trickled down on workbench 13 is uniformly paved by powder-laying roller 6, and the two ends of workbench 13 are provided with excessive powder hole 9, and
The upper surface in excessive powder hole 9 is concordant with the upper surface of work platformses, can discharge unnecessary powder, additionally, guide wheel 2 is fixed on liter
On descending mechanism, guide wheel 2 is provided with the ranging mechanism of measurement guide wheel 2 and 13 spacing of workbench, can precisely adjust powder-laying roller 6 and work
Make the gap of platform 13, so as to adjust the thickness of powdering.
This utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that this utility model is implemented not to be received
The restriction of aforesaid way, as long as employing changing for the various unsubstantialities that method design of the present utility model and technical scheme are carried out
Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in this utility model
Protection domain within.
Claims (7)
1. the powder feeder unit of the laser sintered equipment of new selective, it is characterised in that：
Leakage tube cell is provided with above the workbench of device, the leakage tube cell top is connected with feed hopper, and bottom is provided with portable plate, described
Portable plate is fixed by horizontal gliding movement targeting structure, and Lou powder seat is fixed with the portable plate, and the leakage powder seat is provided with Lou
Powder slotted eye, the portable plate are provided with return spring, when leak powder seat horizontal direction do not stress when, the leakage powder slotted eye with leakage tube cell
In non-leakage powdery state, when powder seat horizontal direction force is leaked, the leakage powder slotted eye is with the para-position of leakage tube cell in leakage powdery for dislocation
State；
The leakage powder seat bottom surface of the leakage powder groove side is protruding with contact block, and the leakage powder groove opposite side is provided with drive block, the biography
Powder-laying roller is provided with below motion block, is fixed on above the drive block and is supported on conveyer belt by guide wheel, the biography above the powder-laying roller
Motion block is horizontally fixed with powder feeding belt, and the powder feeding belt is protruding with the dividing plate vertical with its transmission direction, when the powder feeding
With during drive block horizontal direction displacement, the dividing plate is contacted belt with contact block.
2. the powder feeder unit of the laser sintered equipment of new selective according to claim 1, it is characterised in that：The return
Spring connects portable plate and leakage tube cell.
3. the powder feeder unit of the laser sintered equipment of new selective according to claim 1 and 2, it is characterised in that：It is described
Guide wheel is all provided with the limited block of restricted drive block displacement range by Motor drive by two guide wheels.
4. the powder feeder unit of the laser sintered equipment of new selective according to claim 3, it is characterised in that：Support described
Damping mechanism is provided with the roller of powder feeding belt.
5. the powder feeder unit of the laser sintered equipment of new selective according to claim 1,2 or 4, it is characterised in that：Institute
The two ends for stating workbench are provided with excessive powder hole, and the upper surface in the excessive powder hole is concordant with the upper surface of the work platformses.
6. the powder feeder unit of the laser sintered equipment of new selective according to claim 5, it is characterised in that：The guide wheel
It is fixed on elevating mechanism, the guide wheel is provided with the ranging mechanism of measurement guide wheel and workbench spacing.
7. the powder feeder unit of the laser sintered equipment of new selective according to claim 1, it is characterised in that：The charging
Bucket is joined directly together with powder supply bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028422.0U CN206065412U (en) | 2016-08-31 | 2016-08-31 | The powder feeder unit of the laser sintered equipment of new selective |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621028422.0U CN206065412U (en) | 2016-08-31 | 2016-08-31 | The powder feeder unit of the laser sintered equipment of new selective |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206065412U true CN206065412U (en) | 2017-04-05 |
Family
ID=58435836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621028422.0U Active CN206065412U (en) | 2016-08-31 | 2016-08-31 | The powder feeder unit of the laser sintered equipment of new selective |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206065412U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180716A (en) * | 2016-08-31 | 2016-12-07 | 安徽拓宝增材制造科技有限公司 | The powder feeder unit of Selective Laser Sintering |
| CN107696483A (en) * | 2017-11-24 | 2018-02-16 | 安徽科元三维技术有限公司 | SLS printing machine worktables with cleaning mechanism |
| CN107891597A (en) * | 2017-09-26 | 2018-04-10 | 芜湖天梦信息科技有限公司 | A kind of reciprocating power spreading device |
| CN108000869A (en) * | 2017-12-13 | 2018-05-08 | 华侨大学 | A kind of power spreading device suitable for selective laser sintering and moulding |
| CN108057887A (en) * | 2017-11-27 | 2018-05-22 | 安徽拓宝增材制造科技有限公司 | A kind of feeding device for 3D printing |
| CN109500395A (en) * | 2018-12-28 | 2019-03-22 | 江苏永年激光成形技术有限公司 | The metal laser melting external powder feeding mechanism of equipment side wall of 3D printing |
| CN112092364A (en) * | 2020-09-02 | 2020-12-18 | 杭州德迪智能科技有限公司 | Powder bed 3D printing apparatus and powder paving device thereof |
-
2016
- 2016-08-31 CN CN201621028422.0U patent/CN206065412U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180716A (en) * | 2016-08-31 | 2016-12-07 | 安徽拓宝增材制造科技有限公司 | The powder feeder unit of Selective Laser Sintering |
| CN107891597A (en) * | 2017-09-26 | 2018-04-10 | 芜湖天梦信息科技有限公司 | A kind of reciprocating power spreading device |
| CN107696483A (en) * | 2017-11-24 | 2018-02-16 | 安徽科元三维技术有限公司 | SLS printing machine worktables with cleaning mechanism |
| CN108057887A (en) * | 2017-11-27 | 2018-05-22 | 安徽拓宝增材制造科技有限公司 | A kind of feeding device for 3D printing |
| CN108000869A (en) * | 2017-12-13 | 2018-05-08 | 华侨大学 | A kind of power spreading device suitable for selective laser sintering and moulding |
| CN109500395A (en) * | 2018-12-28 | 2019-03-22 | 江苏永年激光成形技术有限公司 | The metal laser melting external powder feeding mechanism of equipment side wall of 3D printing |
| CN112092364A (en) * | 2020-09-02 | 2020-12-18 | 杭州德迪智能科技有限公司 | Powder bed 3D printing apparatus and powder paving device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Liang Inventor after: Zhou Bingbing Inventor after: Zhao Fangzhen Inventor after: Huang Wentao Inventor after: Zong Jin Inventor before: Wang Liang Inventor before: Liang Haige Inventor before: Tang Jianning Inventor before: Zhu Jun Inventor before: Wang Yanling |