CN205888083U - Selective laser melting SLM directional heating device that takes shape - Google Patents
Selective laser melting SLM directional heating device that takes shape Download PDFInfo
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- CN205888083U CN205888083U CN201620843035.6U CN201620843035U CN205888083U CN 205888083 U CN205888083 U CN 205888083U CN 201620843035 U CN201620843035 U CN 201620843035U CN 205888083 U CN205888083 U CN 205888083U
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- laser
- heating device
- laser melting
- directional heating
- infrared thermal
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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
The utility model relates to a selective laser melting SLM directional heating device that takes shape, belong to the laser melting SLM forming technology field, which has the advantages of simple structure, high durability and convenient use, can guarantee temperature evenly distributed, prevent that the forming parts song that arouses owing to the distribution of temperature inequality from sticking up the selective laser melting SLM directional heating device that takes shape of deformation among the forming process, the technical scheme who adopts is provided with infrared thermal imager far away for the top that becomes the die cavity, shaping laser system of sintering and directional heating laser instrument, the lateral part that becomes the die cavity is provided with major control system, infrared thermal imager far away, the shaping laser system of sintering and directional heating laser instrument all are connected with major control system, the utility model discloses the orientation that extensively is used for SLM to take shape heats.
Description
Technical field
This utility model is related to a kind of selective laser melting slm and shapes directional heating device, belongs to laser fusion slm
Shape technical field.
Background technology
3d prints and is also referred to as " increasing material manufacturing ", and it is a kind of emerging rapid shaping technique.Manufacture work with traditional material that subtracts
Skill is different, and it is based on design data file that 3d prints, by material layer by layer deposition or bonding to be configured to the skill of three-dimensional body
Art, collects cad, and the technology such as mechanical automation is in one.Compared with traditional manufacture, 3d prints and eliminates mold, casting or forging
Make, cut, the complicated process such as part assembling, can be once-forming, there is the features such as rapidity, high flexibility, high efficiency, it should
Wide with field, comprising: Aero-Space, weaponry, industrial design and manufacture, mould, medical treatment and fashionable dress, film, building,
Creative design etc..
According to the difference of the material forms adopting and process implementation method, it is widely used at present and more ripe typical case's increasing
Material manufacturing technology specifically includes that optical soliton interaction (sla), selective laser sintering (sls), selective laser fusing (slm), melting
Deposit manufacture (fdm), electron-beam melting (ebm) etc..Slm forming technique is that a kind of more 3d is applied in high-end manufacture field at present
Printing technique.Slm forming technique is to be scanned using high energy density laser bundle under control of a computer program, will in advance
The metal powder layer laying carry out selective melting and with matrix metallurgical binding, then continuous successively powdering scanning, finally
Complete the manufacture process of 3-dimensional metal parts.This equipment can manufacture the metal parts of complicated shape, its profiled member mechanical property
Good, high precision, all has important application, the manufacture of such as medical implant, boat in fields such as medical treatment, Aero-Space, research and development of productss
The particular component manufacture of empty electromotor, the Making mold with cooling duct etc., particularly in aerospace field, by special knot
The design of structure, the particular/special requirement such as achievable lightweight.
In slm forming process, because size of formed part is different, larger or the cooling of heavy wall position is relatively slow in size, but
Size is less or thin-walled portion cooling is fast, and therefore drip molding interior temperature distribution is uneven, easily causes drip molding buckling deformation, fall
Low product propertiess, or even become useless part.When especially shaping thin-wall complicated part, due to temperature distributing disproportionation in drip molding, easily
Cause drip molding warping deformation, reduce yield rate.
Utility model content
For solving the technical problem that prior art exists, this utility model provides a kind of structure simply, easy to use, energy
Enough ensure that temperature is uniformly distributed, prevent the selectivity of drip molding warping deformation causing due to temperature distributing disproportionation in forming process
Laser fusion slm shapes directional heating device.
For achieving the above object, the technical scheme that this utility model is adopted is that a kind of selective laser melting slm shapes
Directional heating device, comprising: forming cavity, the top of described forming cavity is provided with far infrared thermal imaging system, thermal sintering laser system
System and orientation heating laser, the sidepiece of forming cavity is provided with master control system, described far infrared thermal imaging system, thermal sintering laser
System is all connected with master control system with orientation heating laser.
Preferably, described orientation heating laser includes l type oriented tube, laser instrument, and described l type oriented tube is arranged on molding
The top in chamber, and one end of l type oriented tube is provided with focus lamp, the other end is provided with beam expanding lens and laser instrument, described l type orientation
It is additionally provided with scanning galvanometer in pipe.
Preferably, the top of described forming cavity is provided with transparent sealing plate, and described far infrared thermal imaging system passes through elevator
Structure is arranged on the top of forming cavity, and is located at the top of transparent sealing plate.
Preferably, described elevating mechanism includes slide rail, base plate, leading screw and motor, and described slide rail is vertically installed at into
Die cavity top, described slide rail top is provided with crossbeam, and described base plate is slidably mounted on slide rail, and described crossbeam is provided with stepping
Motor, described base plate is provided with screw, is provided with leading screw in described screw, and described leading screw is connected with motor, described
Far infrared thermal imaging system is arranged on the bottom of base plate, and the top of base plate is provided with alarm, and described motor and alarm are equal
It is connected with master control system.
Preferably, the outside of described far infrared thermal imaging system is covered with protecting crust, and described protecting crust is stamped thermostable transparent
Lucite, described protecting crust is additionally provided with infrared distance measuring device, and described infrared distance measuring device is connected with master control system
Connect.
Preferably, described protecting crust is additionally provided with blower duct, described blower duct is located at the organic glass of thermostable transparent
The lower section of glass, described blower duct is provided with air inlet pipe.
Compared with prior art, this utility model has following technical effect that this utility model can measure forming process
In every layer of drip molding diverse location Temperature Distribution, analysis drip molding interior temperature distribution whether uniformly, then according to drip molding
Internal temperature situation starts directional heating device, and to cooldown rate, position is oriented heating faster, realizes drip molding different
Spot temperature is uniformly distributed, and prevents the drip molding warping deformation causing in forming process due to temperature distributing disproportionation, improves and shapes
Quality of item.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of elevating mechanism in this utility model.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect become more apparent, with
Lower combination drawings and Examples, are further elaborated to this utility model.It should be appreciated that concrete reality described herein
Apply example only in order to explain this utility model, be not used to limit this utility model.
As shown in figure 1, a kind of selective laser melting slm shapes directional heating device, comprising: forming cavity 1, forming cavity 1
Top be provided with far infrared thermal imaging system 25, thermal sintering laser system 13 and orientation heating laser, the sidepiece of forming cavity 1
It is provided with master control system 23, far infrared thermal imaging system 25, thermal sintering laser system 13 and orientation heating laser are all and master control
System 23 is connected.
Wherein, orientation heating laser includes l type oriented tube 14, laser instrument 17, and l type oriented tube 14 is arranged on forming cavity 1
Top, and one end of l type oriented tube 14 is provided with focus lamp 19, and the other end is provided with beam expanding lens 16 and laser instrument 17, and l type is fixed
It is additionally provided with scanning galvanometer 15 into pipe 14.Laser instrument mainly adopts long-pulse laser, long-pulse laser and beam expanding lens 16
Between connected by optical fiber 18, scanning galvanometer 15 is arranged on above focus lamp 19, can be accurately located at pulsed laser spot
Any position of machined surface, focus lamp 19 is installed in scanning galvanometer 15 lower section.Long-pulse laser and scanning galvanometer 15 all with control
System 23 is connected, thus realizing the orientation heating to part section profile.Long-pulse laser in orientation heating laser system
Power is less than the laser instrument in thermal sintering laser system, and the long-pulse laser in orientation heating laser system is mainly right
Drip molding section carries out heat treated it is impossible to make formed powder or drip molding be melted.
The top of forming cavity 1 is provided with transparent sealing plate 21, and far infrared thermal imaging system 25 is arranged on into by elevating mechanism
The top of die cavity 1, and it is located at the top of transparent sealing plate 21.Elevating mechanism includes slide rail 5, base plate 6, leading screw 8 and motor
9, slide rail 5 is vertically installed at forming cavity 1 top, and slide rail 5 top is provided with crossbeam 10, and base plate 6 is slidably mounted on slide rail 5, horizontal
Motor 9 is provided with beam 10, base plate 6 is provided with screw 7, in screw 7, be provided with leading screw 8, leading screw 8 and motor 9
It is connected, far infrared thermal imaging system 25 is arranged on the bottom of base plate 6, the top of base plate 6 is provided with alarm 12, motor 9
All it is connected with master control system 23 with alarm 12.The outside of far infrared thermal imaging system 25 is covered with protecting crust 24, on protecting crust 24
It is stamped thermostable transparent lucite 22, protecting crust 24 is additionally provided with infrared distance measuring device 11, infrared distance measuring device 11
It is connected with master control system 23.Blower duct 3 is additionally provided with protecting crust 24, blower duct 3 is located at the organic glass of thermostable transparent
The lower section of glass 22, blower duct 3 is provided with air inlet pipe 4.
Far infrared thermal imaging system 25 is arranged on the base plate 6 of motion, and base plate 6 both sides are respectively mounted two and vertically place
Slide rail 5 and a leading screw 8, slide rail 5 and leading screw 8 upper end have crossbeam 10 fixing.Motor 9 is installed on leading screw 8 top, for driving
Far infrared thermal imaging system 25 on dynamic base plate 6 and base plate 6 moves up and down.Alarm 12 is simultaneously installed with base plate 6, when far red
Outer thermal imaging system 25 record the part different parts temperature difference larger when, alarm 12 will be actuated for report to the police, thus reminding operation
Person's adjusting process parameter.Base plate 6 material is aluminium alloy, for mitigating the weight of whole device.The slide rail 5 of base plate both sides and leading screw
8 is rustless steel, and nut 7 material with leading screw cooperation is copper alloy.
Protecting crust 24 is installed outside far infrared thermal imaging system, this housing is square aluminium alloy structure, whole for protecting
Far infrared thermal imaging system.Protecting crust 24 side wall is provided with infrared distance measuring device 11, for measuring far infrared thermal imaging
The distance between instrument 25 and drip molding, when apart from improper when, control system 23 passes through the motor 9 on adjusting screw top,
Far infrared thermal imaging system 25 is made to move up and down, thus reaching the temperature measuring and imaging distance of optimum.Protecting crust 24 is installed high temperature resistant
Transparent organic glass 22, is provided with blower duct 3 before protecting crust, blower duct is fixed on protecting crust 24 side wall by bolt 26
On, blower duct 3 is connected with air supply system by blast pipe 4.Blower duct 3 end is horizontal direction, and after ventilation, wind direction is
Horizontal direction is blown over before protective glass 22, prevents having dust to fall above in forming process.In thermostable transparent lucite 22
Sealing plate 21 is installed in lower section (shaping cavity wall top), is fixed on forming cavity 1 top wall 2 with bolt 20, its material is also
Thermostable transparent lucite, for seal molding chamber 1.
Far infrared thermal imaging system 25 can be continuously shot 270 width images, and at 0 ~ 1500 DEG C, temperature measurement error controls temperature-measuring range
In the range of ± 5 DEG C, drip molding section temperature distribution situation can be monitored in real time, and temperature-measuring results Real-time Feedback is given
Master control system.
Far infrared thermal imaging system, thermal sintering laser system 13 and orientation heating laser system all with master control system 23 phase
Connect, according to the power of drip molding cross sectional shape and Temperature Distribution adjust automatically orientation heating laser 17, light beam and can sweep
Face area, heats to drip molding local.
Far infrared thermal imaging system, thermal sintering laser system 13 and orientation heating laser system all with master control system 23 phase
Even.In forming process, far infrared thermal imaging system 25 measures to every layer of shaped cross-section temperature, and section temperature is fed back to master
Control system 23, master control system 23 according to the drip molding section temperature regularity of distribution, adjustment orientation heating laser 17 power, light beam and
Movement locus, carry out the laser scanning of different capacity and light beam, make inside molded article to the position of molded article different temperatures
Temperature Distribution tends to uniform, thus avoiding the buckling deformation causing in forming process due to drip molding interior temperature distribution inequality.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., all should wrap in this utility model model
In enclosing.
Claims (6)
1. a kind of selective laser melting slm shapes directional heating device, comprising: forming cavity it is characterised in that: described forming cavity
Top be provided with far infrared thermal imaging system, thermal sintering laser system and orientation heating laser, forming cavity sidepiece setting
Have master control system, described far infrared thermal imaging system, thermal sintering laser system and orientation heating laser all with master control system phase
Connect.
2. a kind of selective laser melting slm according to claim 1 shape directional heating device it is characterised in that: institute
State orientation heating laser and include l type oriented tube, laser instrument, described l type oriented tube is arranged on the top of forming cavity, and l type is fixed
One end of pipe is provided with focus lamp, the other end is provided with beam expanding lens and laser instrument, is additionally provided with scanning in described l type oriented tube
Galvanometer.
3. a kind of selective laser melting slm according to claim 1 and 2 shape directional heating device it is characterised in that:
The top of described forming cavity is provided with transparent sealing plate, and described far infrared thermal imaging system is arranged on forming cavity by elevating mechanism
Top, and it is located at the top of transparent sealing plate.
4. a kind of selective laser melting slm according to claim 3 shape directional heating device it is characterised in that: institute
State elevating mechanism and include slide rail, base plate, leading screw and motor, described slide rail is vertically installed at molding top of chamber, described slide rail
Top is provided with crossbeam, and described base plate is slidably mounted on slide rail, and described crossbeam is provided with motor, and described base plate sets
It is equipped with screw, in described screw, is provided with leading screw, described leading screw is connected with motor, described far infrared thermal imaging system is installed
In the bottom of base plate, the top of base plate is provided with alarm, and described motor is all connected with master control system with alarm.
5. a kind of selective laser melting slm according to claim 4 shape directional heating device it is characterised in that: institute
The outside stating far infrared thermal imaging system is covered with protecting crust, and described protecting crust is stamped thermostable transparent lucite, described protection
It is additionally provided with infrared distance measuring device, described infrared distance measuring device is connected with master control system on shell.
6. a kind of selective laser melting slm according to claim 5 shape directional heating device it is characterised in that: institute
State and blower duct is additionally provided with protecting crust, described blower duct is located at the lower section of thermostable transparent lucite, described blowing
Air inlet pipe is provided with pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843035.6U CN205888083U (en) | 2016-11-22 | 2016-11-22 | Selective laser melting SLM directional heating device that takes shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843035.6U CN205888083U (en) | 2016-11-22 | 2016-11-22 | Selective laser melting SLM directional heating device that takes shape |
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| Publication Number | Publication Date |
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| CN205888083U true CN205888083U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620843035.6U Active CN205888083U (en) | 2016-11-22 | 2016-11-22 | Selective laser melting SLM directional heating device that takes shape |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424724A (en) * | 2016-11-22 | 2017-02-22 | 中北大学 | Selective laser melting (SLM) formation oriented heating device |
| CN113084168A (en) * | 2021-04-06 | 2021-07-09 | 哈尔滨工业大学 | Laser melting deposition forming ultrasonic workbench |
| CN113922031A (en) * | 2021-09-10 | 2022-01-11 | 华中科技大学 | Multipath millimeter wave power synthesizer |
| TWI774739B (en) * | 2017-03-15 | 2022-08-21 | 美商應用材料股份有限公司 | Additive manufacturing system |
-
2016
- 2016-11-22 CN CN201620843035.6U patent/CN205888083U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424724A (en) * | 2016-11-22 | 2017-02-22 | 中北大学 | Selective laser melting (SLM) formation oriented heating device |
| TWI774739B (en) * | 2017-03-15 | 2022-08-21 | 美商應用材料股份有限公司 | Additive manufacturing system |
| CN113084168A (en) * | 2021-04-06 | 2021-07-09 | 哈尔滨工业大学 | Laser melting deposition forming ultrasonic workbench |
| CN113922031A (en) * | 2021-09-10 | 2022-01-11 | 华中科技大学 | Multipath millimeter wave power synthesizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: 030006 Taiyuan Comprehensive Reform Demonstration Zone, Taiyuan Xuefu Park, Shanxi Province, 529 South Central Street, Block D, 21 Floor 02, Cleaning and Control Innovation Base Patentee after: Shanxi Yangchen Zhongbei Technology Co.,Ltd. Address before: 030051 Room 6319, 182 Building, College Road, Jiancao District, Taiyuan City, Shanxi Province Patentee before: Shanxi Zhongbei Science Park Co.,Ltd. Effective date of registration: 20190128 Address after: 030051 Room 6319, 182 Building, College Road, Jiancao District, Taiyuan City, Shanxi Province Patentee after: Shanxi Zhongbei Science Park Co.,Ltd. Address before: 030051 Xueyuan Road 3, pointed lawn area, Taiyuan, Shanxi Patentee before: NORTH University OF CHINA |
|
| TR01 | Transfer of patent right |