CN207787703U - Laser sintering rapid forming machine - Google Patents
Laser sintering rapid forming machine Download PDFInfo
- Publication number
- CN207787703U CN207787703U CN201721752282.6U CN201721752282U CN207787703U CN 207787703 U CN207787703 U CN 207787703U CN 201721752282 U CN201721752282 U CN 201721752282U CN 207787703 U CN207787703 U CN 207787703U
- Authority
- CN
- China
- Prior art keywords
- laser
- moulding cylinder
- forming machine
- supply mechanism
- rapid forming
- 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.)
- Expired - Fee Related
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Classifications
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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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- Powder Metallurgy (AREA)
Abstract
The utility model is related to a kind of laser sintering rapid forming machines, including babinet, the babinet internal upper part is equipped with laser emitter, the emission part of the laser emitter is arranged right below laser beam expanding lens, it is provided with reflective mirror below the laser beam expanding lens, the side of the reflective mirror is disposed with Three-Dimensional Dynamic concentrator, galvanometer device and air filter, it is provided with preheating table below the dynamic concentrator and galvanometer device, it is provided with powder supply mechanism below the preheating table, the powder supply mechanism is mounted on ball screw, the lower section of the ball screw is moulding cylinder, the side of the moulding cylinder, the lower section of laser emitter is equipped with feeder.The utility model can be processed metal powder under big sintering area, can highly-efficient processing go out high-precision product of metal material, can be widely applied to major industrial circle such as machinery, shipbuilding, aerospace, market prospects and be worth very huge.
Description
Technical field
The utility model is related to a kind of electromechanical equipments, and in particular to a kind of laser sintering rapid forming machine.
Background technology
RP technique is comprehensive utilization of C AD technologies, Numeric Control Technology, material science, mechanical engineering, electronic technology
And the Integration ofTechnology of laser technology is to realize from Element Design to the integrated device technique of 3D solid raw basin.The technology
It is successively to be superimposed material, and build to form 3 D workpiece by melting layer by layer, which can manufacture some traditional handicrafts
It is difficult to the 3 D workpiece of complicated shape completed.It is divided into four major class：Stereolithography technology (SLA), laminated solid mass manufacture skill
Art (LOM), Fused Deposition Modeling technology (FDM) and Selective Laser Sintering (SLS), selective laser sintering (SLS)
It is referred to alternatively as precinct laser sintering, using laser emitter as manufactured energy, laser beam is controlled to processing material using computer
(including high molecular material, metal powder, prealloy powder powder material and nano material etc.) is expected by the speed of setting and is adjusted properly
Laser energy density and be sintered according to the 2-D data information of serial section profile, layer upon layer, all be sintered after
Part can be obtained by a series of post-processing operations such as removing powder extra around, then polished sintered part, dried.It should
Technology integrates cad technique, Computerized Numerical Control processing technology, laser technology and material science and technology etc., shortens design and manufacture production
The period of product, thus reduce development cost and improve the competitiveness of new product.
Although domestic each colleges and universities and research unit achieve very big achievement in the laser sintered projects of SLS in recent years,
Shortcoming is also compared in the research in terms of metal powder for processing large area.
Utility model content
Technical problem to be solved in the utility model is：There is provided it is a kind of under big sintering area, to metal powder into
The laser sintering rapid forming machine of row processing.
Technical solution adopted by the utility model to solve its technical problems is：A kind of laser sintering rapid forming machine, packet
Babinet is included, the babinet internal upper part is equipped with laser emitter, and the emission part of the laser emitter is arranged right below laser expansion
Shu Jing is provided with reflective mirror below the laser beam expanding lens, and the side of the reflective mirror is disposed with Three-Dimensional Dynamic optically focused
Device, galvanometer device and air filter are provided with preheating table below the dynamic concentrator and galvanometer device, the preheating table
Lower section is provided with powder supply mechanism, and the powder supply mechanism is mounted on ball screw, and the lower section of the ball screw is moulding cylinder, institute
The lower section of the side, laser emitter of stating moulding cylinder is equipped with feeder.
Further limiting, the powder supply mechanism includes mounting plate, decelerating motor and funnel above mounting plate, with
And the powdering roller below mounting plate, driving pulley, the powdering roller are installed on the output shaft of the decelerating motor
One end is equipped with driven pulley, and the driven pulley passes through synchronous band connection with driving pulley.
It further limits, feed screw nut's seat is fixed with below the mounting plate, is installed on feed screw nut's seat
There is the feed screw nut slided on needle roller lead screw.
It further limits, the moulding cylinder includes the moulding cylinder inner cavity of upper opening and positioned at moulding cylinder inner cavity both sides
Clout cylinder is provided with forming worktable in the moulding cylinder lumen openings, and the forming worktable both sides are provided with sealing device,
The second feed screw nut slid back and forth on the second lead screw being vertically arranged is fixed on the sealing device.
The utility model has the beneficial effects that：The utility model can carry out metal powder under big sintering area
Processing, can highly-efficient processing go out high-precision product of metal material, can be widely applied to major work such as machinery, shipbuilding, aerospace
Industry field, market prospects and value are very huge.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments；
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is sectional views of the Fig. 1 on the directions A-A.
Fig. 3 is the structural schematic diagram of powder supply mechanism in the utility model.
Fig. 4 is the structural schematic diagrams of Fig. 3 in directionb.
In figure, 1. babinets, 2. laser emitters, 3. laser beam expanding lens, 4. reflective mirrors, 5. Three-Dimensional Dynamic concentrators, 6. shake
Mirror device, 7. air filters, 8. preheating tables, 9. ball screws, 10. feeders, 11. moulding cylinder inner cavities, 12. clout cylinders, 13.
Forming worktable, 14. sealing devices, 15. second lead screws, 16. second feed screw nuts, 17. mounting plates, 18. decelerating motors, 19.
Funnel, 20. powdering rollers, 21. driving pulleys, 22. driven pulleys, 23. feed screw nuts seat.
Specific implementation mode
The utility model is further described presently in connection with attached drawing.These attached drawings are simplified schematic diagram only to show
Meaning mode illustrates the basic structure of the utility model, therefore it only shows composition related with the utility model.
As shown in Figure 1 and Figure 2, a kind of laser sintering rapid forming machine, including babinet 1,1 internal upper part of babinet are equipped with laser
Transmitter 2, the emission part of laser emitter 2 are arranged right below laser beam expanding lens 3, and the lower sections of laser beam expanding lens 3 is provided with reflective
The side of mirror 4, reflective mirror 4 is disposed with Three-Dimensional Dynamic concentrator 5, galvanometer device 6 and air filter 7, dynamic concentrator 5
The lower section of galvanometer device 6 is provided with preheating table 8, the lower section of preheating table 8 is provided with powder supply mechanism, and powder supply mechanism is mounted on ball wire
On bar 9, the lower section of ball screw 9 is moulding cylinder, and the side of moulding cylinder, the lower section of laser emitter 2 are equipped with feeder 10.Molding
Cylinder includes the moulding cylinder inner cavity 11 of upper opening and the clout cylinder 12 positioned at 11 both sides of moulding cylinder inner cavity, and moulding cylinder inner cavity 11 is open
On be provided with forming worktable 13,13 both sides of forming worktable are provided with sealing device 14, are fixed on sealing device 14 perpendicular
The second feed screw nut 16 slid back and forth on the second lead screw 15 being directly arranged.
As shown in Figure 3 and Figure 4, powder supply mechanism includes mounting plate 17, the decelerating motor 18 above mounting plate 17 and leakage
Struggle against 19, and the powdering roller 20 positioned at 17 lower section of mounting plate, is equipped with driving pulley 21 on the output shaft of decelerating motor 18, spreads
20 one end of powder roller is equipped with driven pulley 22, and driven pulley 22 passes through synchronous band connection with driving pulley 21.Mounting plate 17
Lower section is fixed with feed screw nut's seat 23, and the feed screw nut slided on needle roller lead screw 9 is equipped on feed screw nut's seat 23.
Laser emitter 2 launches laser, and by the refraction of laser beam expander 3 and reflective mirror 4, it is poly- to enter Three-Dimensional Dynamic
In burnt system 5, in the reflection by galvanometer device 6, to reach the requirement to being sintered flat scanning.When processing starts, it is molded work
Make 13 position of platform and be located at 11 the top of moulding cylinder inner cavity, funnel 19 is under the drive of ball-screw 9, in moulding cylinder upper direction one
A stroke completes a powdering movement, and while 19 powdering of funnel, the powdering roller 20 of 19 meal outlet both sides of funnel is slowing down
Under the driving of motor 18, the spinning motion that negative direction is carried out by the drive of synchronous belt is compacted powder, thus can be with
So that powder uniform ground be layered on sintered surface.
After powdering, so that it may to be sintered processing, after being sintered this layer of powder as requested, under the second lead screw 15
One thickness drops, and funnel 19 repeats the powdering operation before carrying out, carries out next layer powder sintered again later, so past
It is multiple, until completing entire sintering process；After completing entire sintering process, funnel 19 restores zero-bit, and forming worktable 13 is by second
The drive of lead screw 15 moves upwards, and the sintered part and excessive powder in moulding cylinder inner cavity 11 are held out moulding cylinder inner cavity 11 together, are blown
Extra un-sintered powder is walked, by subsequent working process, has just obtained desired sintered products.And unsintered powder can
To be recycled, sintering process next time is carried out, entire sintering process is high to the utilization rate of material, almost
100%.
The above embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this skill
The personage of art can understand the content of the utility model and be implemented, and the protection model of the utility model can not be limited with this
It encloses, it is all according to equivalent change or modification made by the spirit of the present invention essence, it should all cover the protection model in the utility model
In enclosing.
Claims (4)
1. a kind of laser sintering rapid forming machine, including babinet, it is characterised in that：The babinet internal upper part is equipped with Laser emission
The emission part of device, the laser emitter is arranged right below laser beam expanding lens, is provided with below the laser beam expanding lens reflective
The side of mirror, the reflective mirror is disposed with Three-Dimensional Dynamic concentrator, galvanometer device and air filter, the dynamic optically focused
It is provided with preheating table below device and galvanometer device, powder supply mechanism, the powder supply mechanism installation are provided with below the preheating table
On ball screw, the lower section of the ball screw is moulding cylinder, and the side of the moulding cylinder, the lower section of laser emitter are equipped with
Feeder.
2. laser sintering rapid forming machine according to claim 1, it is characterised in that：The powder supply mechanism includes installation
Plate, decelerating motor and funnel above mounting plate, and the powdering roller below mounting plate, the decelerating motor
Driving pulley is installed, powdering roller one end is equipped with driven pulley, the driven pulley and driving pulley on output shaft
Pass through synchronous band connection.
3. laser sintering rapid forming machine according to claim 2, it is characterised in that：It is fixed with below the mounting plate
Feed screw nut's seat, is equipped with the feed screw nut slided on needle roller lead screw on feed screw nut's seat.
4. laser sintering rapid forming machine according to claim 1, it is characterised in that：The moulding cylinder includes upper opening
Moulding cylinder inner cavity and clout cylinder positioned at moulding cylinder inner cavity both sides, be provided with shaping work in the moulding cylinder lumen openings
Platform, the forming worktable both sides are provided with sealing device, are fixed on the sealing device in the second lead screw being vertically arranged
On the second feed screw nut for sliding back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721752282.6U CN207787703U (en) | 2017-12-14 | 2017-12-14 | Laser sintering rapid forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721752282.6U CN207787703U (en) | 2017-12-14 | 2017-12-14 | Laser sintering rapid forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207787703U true CN207787703U (en) | 2018-08-31 |
Family
ID=63284556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721752282.6U Expired - Fee Related CN207787703U (en) | 2017-12-14 | 2017-12-14 | Laser sintering rapid forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207787703U (en) |
-
2017
- 2017-12-14 CN CN201721752282.6U patent/CN207787703U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |