CN108526465A - A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials - Google Patents
A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials Download PDFInfo
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- CN108526465A CN108526465A CN201810515956.3A CN201810515956A CN108526465A CN 108526465 A CN108526465 A CN 108526465A CN 201810515956 A CN201810515956 A CN 201810515956A CN 108526465 A CN108526465 A CN 108526465A
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- 239000000843 powder Substances 0.000 title claims abstract description 236
- 239000000463 material Substances 0.000 title claims abstract description 65
- 230000004927 fusion Effects 0.000 title claims abstract description 25
- 238000002716 delivery method Methods 0.000 title claims abstract description 14
- 238000007790 scraping Methods 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- 239000004615 ingredient Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract 1
- 230000035611 feeding Effects 0.000 description 65
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- 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
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/58—Means for feeding of material, e.g. heads for changing the material composition, e.g. by mixing
-
- 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
- B22F12/22—Driving means
- B22F12/226—Driving means for rotary motion
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention discloses a kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials, belongs to metal material increasing field.The method is realized by having the function of branch powder feeding and multiple powder feeders with double-spiral structure feature；According to the powder feeding storehouse that the composition selection of material requested need to only use, finally obtain by the compound obtained part of multiple layers of different materials.Described device includes powder-scraping device step, workbench step, powder feeding mouth, point-touch switch, round powder feeding mouth, powder delivery groove, double helix powder feeder, servo motor, external powder-storage bin, rectangular powder spout；The powder delivery method has many advantages, such as that the saving powder feeding time, powder sending quantity is accurate, can arbitrarily convey two or more dusty material.
Description
Technical field
The present invention relates to a kind of spiral powder delivery methods and device shaping dissimilar materials for precinct laser fusion, belong to
Metal increases material manufacturing technology field.
Background technology
As selective laser melting process in recent years is in the further of the fields such as aerospace, medical instrument, automobile ship
Extensive use proposes increasingly higher demands to the flexibility of precinct laser fusion forming efficiency and forming technology.Tradition choosing
Area's laser fusion forming technology is only capable of forming homogeneous material, and this is insufficient, makes the technology in the case where needing to shape dissimilar materials
It is difficult to meet the requirements.Therefore, precinct laser fusion shapes dissimilar materials technology by extensive concern both domestic and external.Swash as constituency
The key component of light fusing forming dissimilar materials, powder feed system play a crucial role the forming of dissimilar materials.
Existing precinct laser fusion technique is generally using the powder delivery method of the vertical powder falling of gravity；The vertical powder falling side of gravity
Method the defects of there are powder spout limited amounts, it is empty that forming larger inside equipment can be not only occupied when shaping dissimilar materials
Between, it is low that equipment is difficult to Highgrade integration production, powder feeding efficiency and synchronization extent.And easily cause different dusty materials because replacing powder
Easily there is the problems such as blocking up powder when ingredient pollution, powder flowbility difference.And when precinct laser fusion forming dissimilar materials, it often requires that
Powder feed system has the function of the real-time powder feeding of multichannel.Therefore, research and development have the function of Multi-path synchronous powder feeding, can accurately control powder feeding in real time
The powder feed system of rate, the quality that dissimilar materials is shaped to improving precinct laser fusion are of great significance.
It is found through retrieval, at present the publication about dissimilar materials precinct laser fusion manufacturing process：Patent CN
105234409 A disclose a kind of integrally formed powder delivery method of more material laser selective meltings and device, patent
CN105386037A discloses a kind of method shaping functionally gradient part using precinct laser fusion forming technique.It is above-mentioned
Although method may be used precinct laser fusion technique and prepare the dissimilar materials part such as more material parts and functionally gradient part, but
Used powder delivery method is the vertical powder falling method of gravity, and this powder delivery method or presence are difficult to accurately control powder sending quantity or deposit
The shortcomings of powder sort is limited is being conveyed, is applying and has some limitations in precinct laser fusion industrialized production.
Invention content
It, should present invention aims at a kind of spiral powder delivery method shaping dissimilar materials for precinct laser fusion is provided
Powder delivery method has many advantages, such as that the saving powder feeding time, powder sending quantity is accurate, can arbitrarily convey two or more dusty material.
The invention is realized by the following technical scheme, a kind of spiral sending for precinct laser fusion forming dissimilar materials
Powder method, specifically includes following steps：
1. being packed into different types of metal or ceramic powder end in the different powder cabins of external powder-storage bin 9；
2. precinct laser fusion former is opened, it is mobile according to the type and ingredient of dusty material needed for forming dissimilar materials
External powder-storage bin 9 keeps the round powder feeding mouth 11 of 11 corresponding double helix powder feeder 7 of the first powder feeding storehouse and 6 one end of powder delivery groove seamless
Connection, and 7 corresponding servo motor 8 of double helix powder feeder is made to be connected to power supply；
3. opening powder-scraping device 1, so that powder-scraping device 1 is slidably reciprocated in working cylinder platform 2 and scrape powder, be moved in powder-scraping device 1
Triggering is located at the point-touch switch 4 on working cylinder platform 2 when end, makes one step units of work of servo motor 8, servo motor
8 driving double helix powder feeding axis 7 rotate, and then shift the powder in the first powder feeding storehouse 11 in powder delivery groove 6 onto, by powder delivery groove 6
Rectangular powder spout 10, so that powder is deposited at powder feeding mouth 3, then sprawl powder via powder-scraping device 1；According to zero
Part profile carries out selective laser melting, is successively superimposed, finally shapes the material layer A of certain altitude；
4. according to the type and ingredient of dusty material needed for forming dissimilar materials, mobile external powder-storage bin 9 makes the second powder feeding storehouse 12
The round powder feeding mouth 11 of corresponding double helix powder feeder 7 is seamlessly connected with 6 one end of powder delivery groove, and double helix powder feeder 7 is made to correspond to
Servo motor 8 be connected to power supply, and repeat the above steps 3., the material layer B of certain altitude shaped on material layer A；
5. according to the type and ingredient of dusty material needed for forming dissimilar materials, mobile external powder-storage bin 9 makes third powder feeding storehouse 13
The round powder feeding mouth 11 of corresponding double helix powder feeder 7 is seamlessly connected with 6 one end of powder delivery groove, and double helix powder feeder 7 is made to correspond to
Servo motor 8 be connected to power supply, and repeat the above steps 3., the material layer C of certain altitude shaped on material layer B, most
It is obtained eventually by the compound obtained part of multiple layers of different materials；
If material requested there are two types of need to only use two powder feeding storehouses if powder constituent, step need not be carried out 5., if by more
Kind powder constituent then accordingly increases the quantity in powder feeding storehouse and increases corresponding step.
Another object of the present invention is to provide all devices of the method, described device includes powder-scraping device 1, work
Platform 2, powder feeding mouth 3, point-touch switch 4, round powder feeding mouth 5, powder delivery groove 6, double helix powder feeder 7, servo motor 8, external storage
Powder cabin 9, rectangular powder spout 10；External powder-storage bin 9 is divided into multiple powder feeding storehouses, and one pair is correspondingly provided with below each powder feeding storehouse
The rotation axis of packing auger 7, double helix powder feeder 7 is connect with servo motor 8；The side of double helix powder feeder 7 is equipped with circle
Powder feeding mouth 5, double helix powder feeder 7 are seamlessly connected by round powder feeding mouth 5 and powder delivery groove 6；Powder delivery groove 6 is internally provided with multiple rectangular
Powder spout 10, rectangular powder spout 10 are seamlessly connected with the powder feeding mouth 3 on workbench 2；Workbench 2, which is equipped with, scrapes powder dress
1 is set, powder-scraping device 1 can move back and forth on workbench 2 scrapes powder, and workbench 2 is equipped with point-touch switch 4, and point contact type is opened
It closes 4 and is located at 1 motion path end of powder-scraping device, and connect with multiple servo motors 8；9 side of external powder-storage bin is equipped with guide-track groove,
External powder-storage bin 9 is hung on by guide-track groove in fixed link 14, and external powder-storage bin 9 can horizontally slip along fixed link 14.
Preferably, the powder feeding axis of double helix powder feeder 7 of the present invention has double-spiral structure feature by least three
Spiral powder feeding axis forms, and the flight pitch of double helix is 5 ~ 20mm.
Preferably, the spiral powder feeding shaft length of the double helix powder feeder 7 of the present invention is 100mm ~ 300mm, spiral
Outer diameter is 50 ~ 100mm, and spiral internal diameter size is 20 ~ 30mm.
The advantageous effects of invention are：The present invention by arc inclined-plane by the dusty material of external powder-storage bin by introducing powder feeding
Slot, then drive powder delivery groove that powder is pushed into powder feeder by motor and enter workbench, to achieve the purpose that continuous powder feeding, simultaneously
The Chu Fenliang of external powder-storage bin can be supplemented at any time；The powder delivery method have save powder feeding time, powder sending quantity it is accurate, can be arbitrary defeated
The advantages that giving two or more dusty material.In addition, the present invention uses there is double-stranded powder feeding axis to convey powder,
The powder feeding axis of single coil configuration can be overcome to convey the defect that powder easily dissipates and powder feeding is unstable.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the diagrammatic cross-section of the present invention；
Fig. 3 is the dimensional structure diagram of the present invention；
Fig. 4 is the structural schematic diagram of powder delivery groove of the present invention；
Fig. 5 is of the present invention three spiral branch powder feeding schematic diagrames；
Fig. 6 is double helix powder feeder schematic diagram of the present invention.
In figure：1- powder-scraping devices；2- workbenches；3- powder feeding mouths；4- point-touch switch；5- circle powder feeding mouths；6- powder feedings
Slot；7- double helix powder feeders；8- servo motors；The external powder-storage bins of 9-；The rectangular powder spouts of 10-；The first powder feedings of 11- storehouse；12-
Two powder feeding storehouses；13- third powder feedings storehouse；14- fixed links.
Specific implementation mode
Invention is further described in detail in the following with reference to the drawings and specific embodiments, but protection scope of the present invention is simultaneously
It is not limited to the content.
The method of the invention equipment therefor, it is a kind of to shape dissimilar materials for precinct laser fusion as shown in Fig. 1 ~ 5
Spiral powder feeding, described device include powder-scraping device 1, workbench 2, powder feeding mouth 3, point-touch switch 4, round powder feeding mouth 5, send
Powder tank 6, double helix powder feeder 7, servo motor 8, external powder-storage bin 9, rectangular powder spout 10；External powder-storage bin 9 is divided into more
A powder feeding storehouse is correspondingly provided with a double helix powder feeder 7, the rotation axis and servo of double helix powder feeder 7 below each powder feeding storehouse
Motor 8 connects；The side of double helix powder feeder 7 is equipped with round powder feeding mouth 5, double helix powder feeder 7 by round powder feeding mouth 5 with give
Powder tank 6 is seamlessly connected；Powder delivery groove 6 is internally provided with multiple rectangular powder spouts 10, rectangular powder spout 10 on workbench 2
Powder feeding mouth 3 is seamlessly connected；Workbench 2 is equipped with powder-scraping device 1, and powder-scraping device 1 can move back and forth on workbench 2 to be scraped
Powder, workbench 2 are equipped with point-touch switch 4, and point-touch switch 4 is located at 1 motion path end of powder-scraping device, and is watched with multiple
Take the connection of motor 8；9 side of external powder-storage bin is equipped with guide-track groove, and external powder-storage bin 9 is hung on by guide-track groove in fixed link 14,
External powder-storage bin 9 can horizontally slip along fixed link 14.
The powder feeding axis of double helix powder feeder described in the embodiment of the present invention 7 is by three spirals with double-spiral structure feature
Powder feeding axis forms, and the flight pitch of double helix is 5 ~ 20mm.
The spiral powder feeding shaft length of double helix powder feeder described in the embodiment of the present invention 7 is 200m, and spiral outer diameter is
80 mm, spiral internal diameter size are 25mm.
Embodiment 1
A kind of spiral powder delivery method for precinct laser fusion forming dissimilar materials specifically includes following steps
1. it is stainless to be respectively charged into 316L in the first powder feeding storehouse 11, the second powder feeding storehouse 12, third powder feeding storehouse 13 of external powder-storage bin 9
Powdered steel, TC4 titanium alloys, Zirconium oxide powder；
2. precinct laser fusion former is opened, it is mobile according to the type and ingredient of dusty material needed for forming dissimilar materials
External powder-storage bin 9 keeps the round powder feeding mouth 11 of 11 corresponding double helix powder feeder 7 of the first powder feeding storehouse and 6 one end of powder delivery groove seamless
Connection, and 7 corresponding servo motor 8 of double helix powder feeder is made to be connected to power supply；
3. opening powder-scraping device 1, so that powder-scraping device 1 is slidably reciprocated in working cylinder platform 2 and scrape powder, be moved in powder-scraping device 1
Triggering is located at the point-touch switch 4 on working cylinder platform 2 when end, makes one step units of work of servo motor 8, servo motor
8 driving double helix powder feeding axis 7 rotate, and then shift the powder in the first powder feeding storehouse 11 in powder delivery groove 6 onto, by powder delivery groove 6
Rectangular powder spout 10, so that powder is deposited at powder feeding mouth 3, then sprawl powder via powder-scraping device 1；According to zero
Part profile carries out selective laser melting, is successively superimposed, finally shapes the 316L stainless steel layers of 10mm height；
4. according to the type and ingredient of dusty material needed for forming dissimilar materials, mobile external powder-storage bin 9 makes the second powder feeding storehouse 12
The round powder feeding mouth 11 of corresponding double helix powder feeder 7 is seamlessly connected with 6 one end of powder delivery groove, and double helix powder feeder 7 is made to correspond to
Servo motor 8 be connected to power supply, and repeat the above steps 3., form the TC4 titanium alloys of 10mm on 316L stainless steel A parts
Layer；
5. according to the type and ingredient of dusty material needed for forming dissimilar materials, mobile external powder-storage bin 9 makes third powder feeding storehouse 13
The round powder feeding mouth 11 of corresponding double helix powder feeder 7 is seamlessly connected with 6 one end of powder delivery groove, and double helix powder feeder 7 is made to correspond to
Servo motor 8 be connected to power supply, and repeat the above steps 3., form the ceramic layer of 10mm on TC4 titanium alloy layers, it is final
To the composite part being made of stainless steel layer, titanium alloy layer, ceramic layer.
Those skilled in the art can design the quantity in powder feeding storehouse according to actual needs, if there are two types of powder for material requested
Composition then need to only use two powder feeding storehouses, need not carry out step 5., if be made of various powders, accordingly increase powder feeding
The quantity and increase corresponding step in storehouse.
Claims (4)
1. it is a kind of for precinct laser fusion forming dissimilar materials spiral powder delivery method, which is characterized in that specifically include with
Lower step：
1. in external powder-storage bin（9）Different powder cabins in be packed into different types of metal or ceramic powder end；
2. precinct laser fusion former is opened, it is mobile according to the type and ingredient of dusty material needed for forming dissimilar materials
External powder-storage bin（9）, make the first powder feeding storehouse（11）Corresponding double helix powder feeder（7）Round powder feeding mouth（11）With powder delivery groove
（6）One end is seamlessly connected, and makes double helix powder feeder（7）Corresponding servo motor（8）It is connected to power supply；
3. opening powder-scraping device（1）, make powder-scraping device（1）In working cylinder platform（2）It inside slidably reciprocates and scrapes powder, in powder-scraping device
（1）Triggering is located at working cylinder platform when being moved to end（2）On point-touch switch（4）, make servo motor（8）One step of work
Into unit, servo motor（8）Drive double helix powder feeding axis（7）Rotation, then by the first powder feeding storehouse（11）In powder shift onto and give
Powder tank（6）It is interior, by powder delivery groove（6）In rectangular powder spout（10）, powder is finally made to be deposited in powder feeding mouth（3）Place, then
Via powder-scraping device（1）Powder is sprawled；Selective laser melting is carried out according to parts profile, is successively superimposed, finally shapes
The material layer A of certain altitude；
4. according to the type and ingredient of dusty material needed for forming dissimilar materials, mobile external powder-storage bin（9）, make the second powder feeding storehouse
（12）Corresponding double helix powder feeder（7）Round powder feeding mouth（11）With powder delivery groove（6）One end is seamlessly connected, and double helix is made to send
Powder device（7）Corresponding servo motor（8）It is connected to, and is repeated the above steps 3. with power supply, certain altitude is shaped on material layer A
Material layer B；
5. according to the type and ingredient of dusty material needed for forming dissimilar materials, mobile external powder-storage bin（9）, make third powder feeding storehouse
（13）Corresponding double helix powder feeder（7）Round powder feeding mouth（11）With powder delivery groove（6）One end is seamlessly connected, and double helix is made to send
Powder device（7）Corresponding servo motor（8）It is connected to, and is repeated the above steps 3. with power supply, certain altitude is shaped on material layer B
Material layer C, finally obtain by the compound obtained part of multiple layers of different materials；
If material requested there are two types of need to only use two powder feeding storehouses if powder constituent, step need not be carried out 5., if by more
Kind powder constituent then accordingly increases the quantity in powder feeding storehouse and increases corresponding step.
2. a kind of spiral dust feeder for precinct laser fusion forming dissimilar materials, it is characterised in that：Described device packet
Include powder-scraping device（1）, workbench（2）, powder feeding mouth（3）, point-touch switch（4）, round powder feeding mouth（5）, powder delivery groove（6）, it is double
Packing auger（7）, servo motor（8）, external powder-storage bin（9）, rectangular powder spout（10）；External powder-storage bin（9）It is divided into
Multiple powder feeding storehouses are correspondingly provided with a double helix powder feeder below each powder feeding storehouse（7）, double helix powder feeder（7）Rotation axis
With servo motor（8）Connection；Double helix powder feeder（7）Side be equipped with round powder feeding mouth（5）, double helix powder feeder（7）Pass through
Round powder feeding mouth（5）With powder delivery groove（6）It is seamlessly connected；Powder delivery groove（6）It is internally provided with multiple rectangular powder spouts（10）, it is rectangular go out
Powder channel（10）With workbench（2）On powder feeding mouth（3）It is seamlessly connected；Workbench（2）It is equipped with powder-scraping device（1）, scrape
Powder device（1）It can be in workbench（2）On move back and forth and scrape powder, workbench（2）It is equipped with point-touch switch（4）, point contact type
Switch（4）Positioned at powder-scraping device（1）Motion path end, and with multiple servo motors（8）Connection；External powder-storage bin（9）Side
Equipped with guide-track groove, external powder-storage bin（9）Fixed link is hung on by guide-track groove（14）On, external powder-storage bin（9）It can be along fixed link
（14）It horizontally slips.
3. the spiral dust feeder according to claim 2 for precinct laser fusion forming dissimilar materials, feature
It is：Double helix powder feeder（7）Powder feeding axis formed with the spiral powder feeding axis of double-spiral structure feature by least three, double spiral shells
The flight pitch of rotation is 5 ~ 20mm.
4. the spiral dust feeder according to claim 3 for precinct laser fusion forming dissimilar materials, feature
It is：The double helix powder feeder（7）Spiral powder feeding shaft length be 100mm ~ 300mm, spiral outer diameter be 50 ~ 100mm,
Spiral internal diameter size is 20 ~ 30mm.
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| CN201810515956.3A CN108526465B (en) | 2018-05-25 | 2018-05-25 | A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials |
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| CN201810515956.3A CN108526465B (en) | 2018-05-25 | 2018-05-25 | A kind of spiral powder delivery method and device for precinct laser fusion forming dissimilar materials |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110592581A (en) * | 2019-10-24 | 2019-12-20 | 江苏点金激光科技有限公司 | Powder feeding device suitable for laser cladding |
| CN111014676A (en) * | 2019-12-31 | 2020-04-17 | 西安赛隆金属材料有限责任公司 | Powder feeding device |
| CN112620650A (en) * | 2020-12-14 | 2021-04-09 | 太原理工大学 | Component-adjustable metal laser selective melting preparation device and preparation method |
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| JP5642290B2 (en) * | 2011-10-04 | 2014-12-17 | 株式会社三和化学研究所 | Powder filling device with excess powder recovery mechanism and rotary compression molding machine |
| CN102560474A (en) * | 2011-12-09 | 2012-07-11 | 昆明理工大学 | Laser cladding multi-path synchronous powder feeder |
| CN105234409A (en) * | 2015-10-27 | 2016-01-13 | 上海航天精密机械研究所 | Powder feeding method and device for multi-material selective laser melting integral forming |
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| CN112620650A (en) * | 2020-12-14 | 2021-04-09 | 太原理工大学 | Component-adjustable metal laser selective melting preparation device and preparation method |
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