CN205888085U - Shaping jar of selective laser melting SLM under high -intensity magnetic field - Google Patents
Shaping jar of selective laser melting SLM under high -intensity magnetic field Download PDFInfo
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- CN205888085U CN205888085U CN201620873222.9U CN201620873222U CN205888085U CN 205888085 U CN205888085 U CN 205888085U CN 201620873222 U CN201620873222 U CN 201620873222U CN 205888085 U CN205888085 U CN 205888085U
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- magnetic field
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- selective laser
- laser melting
- cylinder
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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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Abstract
The utility model relates to a shaping jar of selective laser melting SLM under high -intensity magnetic field, it prints vibration material disk technical field to belong to 3D, the utility model provides a can heat part and the powder in the jar that takes shape, prevent the cooling of part thin wall part at the excessive speed, make part internal temperature distribution tend to even shaping jar of selective laser melting SLM under high -intensity magnetic field, the technical scheme who adopts is for being provided with the pneumatic cylinder in the cylinder body, be provided with the bottom plate on the piston rod of pneumatic cylinder, the wall body of cylinder body embeds has heating pipe and first temperature measurement galvanic couple, the cylinder body outside is provided with the heat preservation, the upper portion of cylinder body is provided with electromagnetism inductor and magnetic field measuring apparatus, electromagnetism inductor embeds excitation coil, the last intermediate frequency power supply that is connected with of electromagnetism inductor, the top of cylinder body is provided with the shield cover, the heating pipe, electromagnetism inductor, intermediate frequency power supply and magnetic field measuring apparatus all are connected with major control system, the utility model discloses extensively be used for selective laser melting SLM technology.
Description
Technical field
This utility model is related to selective laser melting slm formation cylinder under a kind of high-intensity magnetic field, belongs to 3d and prints increasing material manufacturing
Technical field.
Background technology
It is to manufacture entity by cad design data using the method that material successively adds up that 3d prints (increasing material manufacturing) technology
The technology of part, with respect to traditional machining, is a kind of manufacture method of " from bottom to top " material addition.Increasing material manufacturing skill
Art does not need traditional cutter, fixture and multi-step process, can be quickly smart on an equipment using three-dimensional design data
Really producing the part of arbitrarily complicated shape, thus realizing " freely manufacturing ", solving the complicated knot of many difficult to manufactures in the past
The shaping of structure part, and greatly reduce manufacturing procedure, decrease the process-cycle.And the product of labyrinth, its system
The speed effect made is more notable.In recent years, increases material manufacturing technology achieves quick development, medical treatment, Aero-Space, automobile,
The industries such as military project, mould, electronic apparatus, shipbuilding obtain application, have promoted the development of China's manufacturing technology.
Typical 3d printing technique mainly has at present: selective laser sintering (sls), selective laser melting (slm), light
Solidification solid forming (sla), Fused Deposition Modeling (fdm) etc..Before metal parts slm is configured in whole 3d printing system the most
Edge and most potential technology, are the important development directions of advanced manufacturing technology.First zero is designed on computers when slm shapes
The threedimensional model of part, then carries out slicing delamination to this threedimensional model, obtains the two-dimensional silhouette data in each section, by these data
Import in quickly shaping device computer, computer, according to the scan mode type of setting, drives formation system to be scanned into
Shape.Before laser beam starts scanning, powder feeding cylinder first rises certain altitude, and powder is taped against on substrate scraper, forms one and uniformly puts down
Whole bisque.Then computer controls laser beam is optionally melted the powder on substrate by the two-dimensional silhouette data of current layer.
After this layer of profile scan finishes, repeat the above steps carry out the laser sintering (SLS) of next aspect, until the processing of whole part
Finish into 3-dimensional metal part.
In slm forming process, inside parts tissue is difficult to control to, and often there is the defects such as the thick, component segregation of dendrite, from
And reduce the mechanical property of product.Formation of parts interior temperature distribution is uneven simultaneously, is susceptible to buckling deformation, thus affecting
Product quality.
Utility model content
For solve prior art exist technical problem, this utility model provide a kind of can be to the part in formation cylinder
And powder is heated, prevent the cooling of part thin-walled portion too fast, so that inside parts Temperature Distribution is tended under uniform high-intensity magnetic field
Selective laser melting slm formation cylinder.
For achieving the above object, the technical scheme that this utility model is adopted is selective laser melting under a kind of high-intensity magnetic field
Slm formation cylinder, comprising: cylinder body, is provided with hydraulic cylinder in described cylinder body, the piston rod of described hydraulic cylinder is provided with base plate, institute
The wall body stating cylinder body is built-in with heating tube and the first thermometric galvanic couple, is provided with heat-insulation layer, the top of described cylinder body sets outside cylinder body
It is equipped with electromagnetic inductor and magnetic field measuring apparatus, described electromagnetic inductor and magnetic field measuring apparatus are positioned at the outside of heat-insulation layer, described electricity
The built-in magnet exciting coil of magnetic inductor, electromagnetic inductor is connected with intermediate frequency power supply, and the top of cylinder body is provided with radome, described plus
Heat pipe, electromagnetic inductor, intermediate frequency power supply are all connected with master control system with magnetic field measuring apparatus.
Preferably, described heating tube is in continuous u-shaped structure arrangement.
Preferably, described base plate is provided with warming plate, described warming plate is provided with heating substrate, described heating substrate
On be provided with multiple heating tanks, be provided with heater strip and the second thermometric galvanic couple in described heating tank, described heater strip and the second survey
Warm galvanic couple is all connected with master control system.
Preferably, the bottom of described base plate is provided with infrared distance measuring device.
Preferably, described cylinder body and heating substrate are made by casting aluminium material, and the sidewall thickness of cylinder body is 10-20mm,
The thickness of heating substrate is 30-40mm.
Preferably, described heat-insulation layer is high temperature resistant aluminium silicate felt, and the thickness of heat-insulation layer is 20-30mm.
Preferably, the side wall outside of described cylinder body is provided with ear mount, described ear mount is fixed on side wall by fixing bolt
On support.
Compared with prior art, this utility model has following technical effect that cylinder body and heating substrate in this utility model
All made using cast aluminium heating plate, the part in formation cylinder and powder can be heated, prevent part thin-walled portion from cooling down
Too fast, make inside parts Temperature Distribution tend to uniform, prevent buckling deformation from occurring.In slm forming process, this device can produce
Raw electromagnetic field carries out electromagnetic agitation to the melt of laser fusion, makes to produce disturbance inside melt, so that becoming branch and temperature field
Distribution tends to uniform, reduces component segregation, thinning solidification structure, improves the mechanical property of product.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is formation cylinder interior structural representation in this utility model.
Fig. 3 is the structural representation heating substrate 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, selective laser melting slm formation cylinder under a kind of high-intensity magnetic field, comprising: cylinder body 1, setting in cylinder body 1
There is hydraulic cylinder 17, the piston rod of hydraulic cylinder 17 is provided with base plate 10, the wall body of cylinder body 1 is built-in with heating tube 19 and the first thermometric
Galvanic couple 20, heating tube 19 is in continuous u-shaped structure arrangement.It is provided with heat-insulation layer 11, the top of cylinder body 1 is provided with electricity outside cylinder body 1
Magnetic inductor 3 and magnetic field measuring apparatus 13, electromagnetic inductor 3 and magnetic field measuring apparatus 13 are located at the outside of heat-insulation layer 11, electromagnetic induction
The built-in magnet exciting coil 4 of device 3, electromagnetic inductor 3 is connected with intermediate frequency power supply 12, and the top of cylinder body 1 is provided with radome 2, heating
Pipe 19, electromagnetic inductor 3, intermediate frequency power supply 12 are all connected with master control system 18 with magnetic field measuring apparatus 13.
Wherein, base plate 10 is provided with warming plate 9, warming plate 9 is provided with heating substrate 8, heating substrate 8 is provided with
Multiple heating tanks 21, are provided with heater strip 15 and the second thermometric galvanic couple 16, heater strip 15 and the second thermometric galvanic couple in heating tank 21
16 are all connected with master control system 18, and the bottom of base plate 10 is additionally provided with infrared distance measuring device 14.
Cylinder body 1 is cast aluminium heating plate, using aluminium alloy castable, subsequently carries out polish, cylinder body 1 sidewall thickness is
10-20mm.As shown in Fig. 2 interior installs heating tube, heating tube 19 is in continuous u-shaped structure distribution in interior, side wall
Using temperature range 0-400 DEG C.Interior is simultaneously installed with the first thermometric galvanic couple 20, for measuring the temperature of side wall.Heating
Pipe 19 is connected with master control system 18 with the first thermometric galvanic couple 20, and temperature measurement signal is fed back to master control system by the first thermometric galvanic couple 20
18, master control system 18 adjusts heating tube 19 temperature according to the temperature signal of feedback and setting value, so that part temperature in formation cylinder
Degree distribution tends to uniform.Ear mount 6 is machined with cylinder side wall, side wall 16 is fixed on sidewall support by fixing bolt 5 by ear mount 6
On 7.
As shown in figure 3, heating substrate 8 is cast aluminium heating plate, heating substrate 8 thickness is 30-40mm.Set on heating substrate 8
Be equipped with multiple heating tanks 21, independent heater strip 15 and the second temperature thermocouple 16 be installed inside heating tank 21, and with master
Control system 18 is connected.Master control system 18 according to actual needs and the second thermometric galvanic couple 16 feedack, adjusts independent heating system
Heating substrate 8 different parts are carried out partition heating, it is achieved thereby that carrying out the pre- of different temperatures to part different parts by system
Heat, makes inside parts Temperature Distribution tend to uniform.Warming plate 9 is installed below in heating substrate 8, for carrying out to heating substrate 8
Insulation.Base plate 10 is installed below in warming plate 9, heating substrate 8 is played a supportive role.10 times installation infrared distance measuring devices of base plate
14, for measuring in forming process, heating substrate 8 moves down speed and moves down distance, thus real-time monitoring prints thickness and printing
The height of product, if there is exception, reminds operator in time, and adjusting process parameter is it is ensured that printing precision.Base plate 10 lower end with
The piston rod of hydraulic cylinder connects, and realizes the device liters such as the heating substrate 8 on base plate 10 and base plate 10 by adjusting hydraulic cylinder 17
Fall.
In cylinder body 1 outside, heat-insulation layer 11 is installed, cylinder body 1 and its powder inside and part is incubated, heat-insulation layer 11 material
Expect for high temperature resistant aluminium silicate felt, insulation layer thickness is 20-30mm.
In formation cylinder heat-insulation layer 11 outside, electromagnetic inductor 3 is installed, electromagnetic inductor 3 is mainly made up of magnet exciting coil 4, with
Intermediate frequency power supply 12 connects.When magnet exciting coil 4 inside is by alternating current, it will produce alternating magnetic field, thus acting on laser
Molten metal drop.Between electromagnetic inductor 3 and cylinder body 1, magnetic field measuring apparatus 13 is installed, for measuring magnetic field intensity.Electromagnetism
Induction apparatuss 3, magnetic field measuring apparatus 13 are connected with master control system 18.After magnetic field measuring apparatus 13 measures magnetic field intensity, feed back to master control system
System 18, master control system 18 adjusts electromagnetic inductor 3 internal current size according to setting value, thus adjusting optimal magnetic field intensity.
Radome 2 is installed above electromagnetic inductor 3, interferes for reducing the magnetic field to other electronic machines, radome 2 is by rustless steel
Thin plate is made.Radome metal 2 produces the vortex reverse with inductor current under the action of a magnetic field, and vortex is mutual with alternating magnetic field
Effect, partial offset alternating magnetic field.
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 (7)
1. a kind of selective laser melting slm formation cylinder under high-intensity magnetic field, comprising: cylinder body, is provided with hydraulic cylinder, institute in described cylinder body
State and base plate is provided with the piston rod of hydraulic cylinder, the wall body of described cylinder body is built-in with heating tube and the first thermometric galvanic couple, outside cylinder body
Portion is provided with heat-insulation layer, and the top of described cylinder body is provided with electromagnetic inductor and magnetic field measuring apparatus, described electromagnetic inductor and magnetic
Field measurement instrument is located at the outside of heat-insulation layer, the built-in magnet exciting coil of described electromagnetic inductor, and electromagnetic inductor is connected with medium frequency electric
Source, the top of cylinder body is provided with radome, and described heating tube, electromagnetic inductor, intermediate frequency power supply and magnetic field measuring apparatus are all and master control
System is connected.
2. under a kind of high-intensity magnetic field according to claim 1 selective laser melting slm formation cylinder it is characterised in that: described
Heating tube is in continuous u-shaped structure arrangement.
3. under a kind of high-intensity magnetic field according to claim 1 selective laser melting slm formation cylinder it is characterised in that: described
It is provided with warming plate on base plate, described warming plate is provided with heating substrate, described heating substrate is provided with multiple heating tanks,
Be provided with heater strip and the second thermometric galvanic couple in described heating tank, described heater strip and the second thermometric galvanic couple all with master control system phase
Connect.
4. under a kind of high-intensity magnetic field according to claim 1 selective laser melting slm formation cylinder it is characterised in that: described
The bottom of base plate is provided with infrared distance measuring device.
5. under a kind of high-intensity magnetic field according to claim 3 selective laser melting slm formation cylinder it is characterised in that: described
Cylinder body and heating substrate are made by casting aluminium material, and the sidewall thickness of cylinder body is 10-20mm, and the thickness of heating substrate is 30-
40mm.
6. under a kind of high-intensity magnetic field according to claim 1 selective laser melting slm formation cylinder it is characterised in that: described
Heat-insulation layer is high temperature resistant aluminium silicate felt, and the thickness of heat-insulation layer is 20-30mm.
7. under a kind of high-intensity magnetic field according to claim 1 selective laser melting slm formation cylinder it is characterised in that: described
It is provided with ear mount, described ear mount is fixed on sidewall support by fixing bolt on the side wall outside of cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620873222.9U CN205888085U (en) | 2016-08-13 | 2016-08-13 | Shaping jar of selective laser melting SLM under high -intensity magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620873222.9U CN205888085U (en) | 2016-08-13 | 2016-08-13 | Shaping jar of selective laser melting SLM under high -intensity magnetic field |
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| Publication Number | Publication Date |
|---|---|
| CN205888085U true CN205888085U (en) | 2017-01-18 |
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|---|---|---|---|
| CN201620873222.9U Active CN205888085U (en) | 2016-08-13 | 2016-08-13 | Shaping jar of selective laser melting SLM under high -intensity magnetic field |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141185A (en) * | 2016-08-13 | 2016-11-23 | 中北大学 | Selective laser melting SLM formation cylinder under high-intensity magnetic field |
| CN106891005A (en) * | 2017-03-31 | 2017-06-27 | 杨沛恩 | A kind of 3D printing device |
| CN106956060A (en) * | 2017-03-23 | 2017-07-18 | 湘潭大学 | The method of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature |
| CN111230105A (en) * | 2019-07-09 | 2020-06-05 | 浙江万丰科技开发股份有限公司 | High-temperature metal 3D printer |
| CN111299582A (en) * | 2020-04-01 | 2020-06-19 | 华中科技大学 | Metal powder selective laser melting defect suppression device |
-
2016
- 2016-08-13 CN CN201620873222.9U patent/CN205888085U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141185A (en) * | 2016-08-13 | 2016-11-23 | 中北大学 | Selective laser melting SLM formation cylinder under high-intensity magnetic field |
| CN106956060A (en) * | 2017-03-23 | 2017-07-18 | 湘潭大学 | The method of electromagnetic induction heating active control electric arc increasing material manufacturing interlayer temperature |
| CN106891005A (en) * | 2017-03-31 | 2017-06-27 | 杨沛恩 | A kind of 3D printing device |
| CN106891005B (en) * | 2017-03-31 | 2018-10-30 | 杨沛恩 | A kind of 3D printing device |
| CN111230105A (en) * | 2019-07-09 | 2020-06-05 | 浙江万丰科技开发股份有限公司 | High-temperature metal 3D printer |
| CN111299582A (en) * | 2020-04-01 | 2020-06-19 | 华中科技大学 | Metal powder selective laser melting defect suppression device |
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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: 20190130 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: 20190130 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 |