CN107138728A - The increasing material manufacturing method and increasing material manufacturing system of a kind of labyrinth - Google Patents
The increasing material manufacturing method and increasing material manufacturing system of a kind of labyrinth Download PDFInfo
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- CN107138728A CN107138728A CN201710392741.2A CN201710392741A CN107138728A CN 107138728 A CN107138728 A CN 107138728A CN 201710392741 A CN201710392741 A CN 201710392741A CN 107138728 A CN107138728 A CN 107138728A
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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
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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
- 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
- B22F12/40—Radiation means
- B22F12/46—Radiation means with translatory movement
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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
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
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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
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
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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
- B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
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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
- 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
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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
- 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
- B22F12/53—Nozzles
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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
- 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
- B22F12/90—Means for process control, e.g. cameras or sensors
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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- 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
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- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
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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
Device and master control device are forged the invention discloses a kind of increasing material manufacturing system of labyrinth, including workbench, 3D printing device, laser；3D printing device includes powder-supplying spray head, the continuous laser generator for driving powder-supplying spray head to be connected with respect to the 3D printing mechanical arm of movable workbench, with powder-supplying spray head；Laser forges pulse laser generator of the device including shot blasting nozzle, for driving shot blasting nozzle to be connected with respect to the laser peening mechanical arm of movable workbench, with shot blasting nozzle；Master control device forges device with 3D printing device and laser respectively and electrically connects to control the movement of 3D printing mechanical arm and laser peening mechanical arm.The invention also discloses a kind of increasing material manufacturing method of labyrinth.The increasing material manufacturing system and method provided using the present invention, the part machinery intensity that double excitation printing is forged is greatly improved, and mechanical integrated performance is improved.Therefore the further optimization of design of part can be improved structure, reduce size, finally realizes loss of weight lightweight.
Description
Technical field
The present invention relates to manufacturing technology field, more specifically to a kind of increasing material manufacturing method of labyrinth, also relate to
And a kind of increasing material manufacturing system of labyrinth.
Background technology
Three types can be divided into by manufacturing, and material manufacture is waited based on casting smithwelding, dug with turnning and milling and subtracted material manufacture based on grinding, 3D is beaten
Increasing material manufacturing based on print.And the principle of 3D printing is the threedimensional model for Computer Design resolves into some layer planes and cut
Piece, is then successively superimposed printed material by section figure layer by 3D printer, is finally piled into complete object.3D printing technique
There is photocuring to print (SLA), laser sintered printing (SLS), fusion sediment printing (FDM) etc., wherein laser sintered printing is used
High-power laser, part is formed powder sintered together.
In modern project field, there is the part of very many labyrinths, such as the large-scale pump housing, Steam Turbine housing,
Crank axle for vessel, aero-engine housing and blade, automobile engine cylinder-body and cylinder cap etc..Nowadays most of complicated parts are all
Using casting or assembling, the method production of welding.With continuing to develop and ripe for 3D printing, this technology turns into complicated and tied
One important new technology of structure part production.The structural member that conventional machining process is difficult to manufacture can be processed, is particularly used
In the parts of Aero-Space.Because aerospace field requires high to the proportion of parts, therefore, the loss of weight of complex parts is light
Quantization is also the key subjects that 3D printing needs to solve.
However, 3D printing product is due to using superposition manufacturing process, existing, compactness is poor, and residual stress is much, antifatigue
Performance is not enough, is easily deformed, and for the 3D printing of labyrinth, the post processing to part is difficult, but also can produce stomata etc.
Defect, the shortcomings of comprehensive mechanical performance does not reach requirement.
In summary, parts with complex structures processing difficulties how to be efficiently solved and production cycle length, 3D printing product are caused
The problems such as close property is poor, residual stress big, comprehensive mechanical performance does not reach requirement, is that current those skilled in the art are badly in need of solving
Problem.
The content of the invention
In view of this, first purpose of the invention is the increasing material manufacturing system for providing a kind of labyrinth, the increasing material
The structure design of manufacture system can efficiently solve parts with complex structures processing difficulties and production cycle length, 3D printing product are caused
The problem of close property is poor, residual stress big, comprehensive mechanical performance does not reach requirement, second object of the present invention is to provide a kind of multiple
The increasing material manufacturing method of miscellaneous structure.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme：
A kind of increasing material manufacturing system of labyrinth, including workbench, 3D printing device, laser forge device and master control
Device；
The 3D printing device includes powder-supplying spray head, the 3D for driving the relatively described movable workbench of the powder-supplying spray head
Print machinery arm, the continuous laser generator being connected with the powder-supplying spray head；
The laser forges device including shot blasting nozzle, for driving the relatively described movable workbench of the shot blasting nozzle
Laser peening mechanical arm, the pulse laser generator being connected with the shot blasting nozzle；
The master control device forged respectively with the 3D printing device and the laser device electrically connect it is described to control
The movement of 3D printing mechanical arm and the laser peening mechanical arm.
Preferably, in above-mentioned increasing material manufacturing system, the 3D printing device includes 3D printing controller, and the laser is forged
Device forges controller including laser, and the 3D printing controller and the laser forge controller and filled respectively with the master control
Put electrical connection.
Preferably, in above-mentioned increasing material manufacturing system, the 3D printing device also includes storage tank, and the storage tank passes through pipe
Road is connected with the powder-supplying spray head, the pulsometer being provided with for providing inert gas with the pipeline connection, and the pipe
The powder amount controller for controlling powder sending quantity is provided with road, the powder amount controller and the pulsometer control to fill with gas powder
Electrical connection is put, the gas powder control device is electrically connected with the master control device.
Preferably, in above-mentioned increasing material manufacturing system, the 3D printing mechanical arm and the laser peening mechanical arm are many
Axle interlocking mechanism arm.
Preferably, in above-mentioned increasing material manufacturing system, in addition to for monitoring the three-dimensional of the 3D printing device print procedure
Optical scanner detector and the data collection and transmission being electrically connected with the three-dimensional optical scanning detector, the data
Collection is used for the stress distribution of the data acquisition printable layer according to three-dimensional optical scanning detector feedback with analysis system, and
The data collection and transmission is electrically connected with the master control device.
The increasing material manufacturing system for the labyrinth that the present invention is provided, including workbench, 3D printing device, laser forge device
And master control device.3D printing device includes powder-supplying spray head, for driving powder-supplying spray head with respect to the 3D printer of movable workbench
Tool arm, the continuous laser generator being connected with powder-supplying spray head；Laser forges device including shot blasting nozzle, for driving shot blasting nozzle
Laser peening mechanical arm with respect to movable workbench, the pulse laser generator being connected with shot blasting nozzle；Master control device is distinguished
Device is forged with 3D printing device and laser to electrically connect to control the movement of 3D printing mechanical arm and laser peening mechanical arm.
The increasing material manufacturing system provided using the present invention, is forged by laser, reduces the influence of residual stress, part
Buckling deformation is controlled, while stomata is eliminated, the defect such as shrinkage porosite.The mechanical strength for the part that double excitation printing is forged is significantly
Improve, mechanical integrated performance is improved.So can further be optimized to design of part, improve structure, reduce size,
The final loss of weight lightweight for realizing part.3D printing shower nozzle and laser peening shower nozzle are driven respectively using two mechanical arms.Machinery
The multifreedom motion of arm, it is easier to which the complicated structure of printing is without supporting, such as cantilever and engraved structure；It is more convenient to multiple
Miscellaneous structure carries out laser and forged, and eliminates internal stress.After laser 3D printing, temperature is especially suitable for forging at 600-700 DEG C
Beat, forged in such circumstances, be more beneficial for the raising of part combination property.
In order to reach above-mentioned second purpose, the present invention provides following technical scheme：
A kind of increasing material manufacturing method of labyrinth, comprises the following steps：
Threedimensional model is set up according to part shape；
Subdivision and hierarchy slicing are carried out to the threedimensional model of foundation, and obtain the motion of laser printing powder-supplying spray head
Path；
The powder-supplying spray head movement is controlled according to the motion path, laser printing is successively carried out, and to current printable layer
Holostrome laser is carried out to forge.
Preferably, in above-mentioned increasing material manufacturing method, it is described and to current printable layer carry out laser forge, specifically include：
The stress distribution of current printable layer is obtained, holostrome laser forging is carried out according to the frequency that the stress distribution adjusts laser
Beat.
Preferably, in above-mentioned increasing material manufacturing method, in addition to：
The stress distribution of the diverse location of printable layer is obtained, and when local stress is more than default stress value, is carried out local
Laser is forged.
Preferably, it is described that current printable layer progress holostrome laser is forged in above-mentioned increasing material manufacturing method, specifically include：
The continuous laser beam of 3D printing works simultaneously with the pulse laser beam that impact is forged, and pulse laser beam follows closely continuous sharp
After light beam, the current printable layer progress laser-impact just shaped is forged in optimum temperature region and size range.
The increasing material manufacturing method provided using the present invention, after laser 3D printing, temperature is at 600-700 DEG C, very
It is adapted to forge, is forged in such circumstances, is more beneficial for the raising of part combination property.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the increasing material manufacturing system of the labyrinth of a specific embodiment of the invention；
Fig. 2 is the machining sketch chart of the increasing material manufacturing system of labyrinth；
Fig. 3 is the schematic flow sheet of the increasing material manufacturing method of the labyrinth of a specific embodiment of the invention.
Marked in accompanying drawing as follows：
Powder-supplying spray head 1, supply gas/powder flexible pipe 2, workbench 3, support 4, powder amount controller 5, pulsometer 6, storage tank 7, motor
8th, 3D printing mechanical arm 9, three-dimensional optical sweep chanalyst 10, optical fiber 11, shot blasting nozzle 12, laser peening mechanical arm 13, gas powder
Control device 14,3D printing controller 15, data collection and transmission 16, continuous laser generator 17, pulse laser occur
Device 18, laser forge controller 19, workstation control system 20,21 interface bus, master control device 22, workpiece 23, fusing gold
Category 24, metal dust and inert gas 25,3D printing laser beam 26, laser peening laser beam 27, shock wave 28.
Embodiment
The embodiment of the invention discloses a kind of increasing material manufacturing system of labyrinth, in order to processed complex constitutional detail,
Shorten the production cycle.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-Fig. 2 is referred to, Fig. 1 is the structure of the increasing material manufacturing system of the labyrinth of a specific embodiment of the invention
Schematic diagram；Fig. 2 is the machining sketch chart of the increasing material manufacturing system of labyrinth.
In a specific embodiment, the increasing material manufacturing system for the labyrinth that the present invention is provided, including workbench 3,3D
Printing equipment, laser forge device and master control device 22.
Wherein, 3D printing device includes powder-supplying spray head 1,3D printing mechanical arm 9 and continuous laser generator 17.3D printer
Tool arm 9 is used to drive powder-supplying spray head 1 to move relative to workbench 3, and continuous laser generator 17 is connected with powder-supplying spray head 1.Specifically,
It can carry out realizing 3D printing using coaxial powder-feeding shower nozzle 1, metal powder and laser are sent to shower nozzle, laser fusion by different devices
Metal dust, realizes printing.Coaxial powder-feeding shower nozzle 1 is driven by 3D printing mechanical arm 9.It is preferred that, the 3D printing mechanical arm 9 with
The laser peening mechanical arm 13 is multi-shaft interlocked mechanical arm.Multi-shaft interlocked mechanical arm is beneficial to the 3D printing of labyrinth.
3D printing mechanical arm 9 can be suspended on lathe upper beam, slided on guide rail that specifically can be on beam, and by 3D printing mechanical arm 9
Control system controls it to move.Specific powder-supplying spray head 1 and the structure and working principle of the grade of continuous laser generator 17 refer to existing
There is technology, here is omitted.
Laser, which forges device, includes shot blasting nozzle 12, laser peening mechanical arm 13 and pulse laser generator 18.Wherein, swash
Light blasting machinery arm 13 is used to drive shot blasting nozzle 12 to move relative to workbench 3, pulse laser generator 18 and shot blasting nozzle 12
Connection.Shot blasting nozzle 12 is driven by laser peening mechanical arm 13, the multi-shaft interlocked mechanical arm of preferred use, and then can be very
Easily regional is forged.By after every printing layer of material, forging, eliminating to the layer just printed
Very big residual stress.Simultaneously for the parts of labyrinth, because the layer of rear printing is inherently produced to layer above
Influence, finally resulting in part can integrally produce than larger stress.So, in addition to successively forging, it can also be carried out
The part of selectivity is forged.Thus just seem very convenient using laser peening mechanical arm 13.The knot of specific shot blasting nozzle 12
Structure, structure of pulse laser generator 18 etc. also refer to prior art.
Specifically, laser forges the shot-peening of device and the laser of 3D printing device respectively by continuous laser generator 17 and arteries and veins
Impulse optical generator 18 is provided, and is transported to shower nozzle by optical fiber 11.According to laser is adjusted the need for difference, can obtain without
The laser of parameter.
Master control device 22 forged respectively with 3D printing device and laser device electrically connect with control 3D printing mechanical arm 9 and
The movement of laser peening mechanical arm 13.Complete 3D printing and forge processing accordingly.Workbench 33 is specifically as follows multiaxis connection
Dynamic workbench 3.
The increasing material manufacturing system provided using the present invention, is forged by laser, reduces the influence of residual stress, part
Buckling deformation is controlled, while stomata is eliminated, the defect such as shrinkage porosite.The mechanical strength for the part that double excitation printing is forged is significantly
Improve, mechanical integrated performance is improved.So can further be optimized to design of part, improve structure, reduce size,
The final loss of weight lightweight for realizing part.3D printing shower nozzle and laser peening shower nozzle are driven respectively using two mechanical arms.Machinery
The multifreedom motion of arm, it is easier to which the complicated structure of printing is without supporting, such as cantilever and engraved structure；It is more convenient to multiple
Miscellaneous structure carries out laser and forged, and eliminates internal stress.After laser 3D printing, temperature is especially suitable for forging at 600-700 DEG C
Beat, forged in such circumstances, be more beneficial for the raising of part combination property.
Specifically, 3D printing device includes 3D printing controller 15, laser forges device and forges controller 19 including laser,
3D printing controller 15 and laser forge controller 19 and electrically connected respectively with master control device 22.By setting correspondence 3D to beat respectively
The controller that print and laser are forged, in order to which the 3D printing mechanical arm 9 of accurate quick control 3D printing device is moved, laser is forged
The laser peening mechanical arm 13 of device is moved simultaneously.As needed, can also be by setting 3D to beat respectively in master control device 22
Print control module and laser forge control module and are controlled.
Further, 3D printing device also includes storage tank 7, and storage tank 7 is connected by pipeline with powder-supplying spray head 1, with pipe
What road was connected is additionally provided with for providing the pulsometer 6 of inert gas, and the powder amount for controlling powder sending quantity is provided with pipeline
Controller 5, powder amount controller 5 and pulsometer 6 are electrically connected with gas powder control device 14, and gas powder control device 14 is filled with master control
Put 22 electrical connections.Namely the gas powder control device 14 of increasing material manufacturing system can include storage tank 7, pulsometer 6, the control of powder amount
Device 5, gas powder control device 14.Above-mentioned pipeline is specifically as follows/powder flexible pipe 2 of supplying gas, and using with flexible flexible pipe, makes itself and machine
The motion of tool arm is adapted.Powder amount controller 5 can accurate control pipeline powder sending quantity, specifically can pass through electricity with motor connection
Machine 8 controls powder sending quantity.Pulsometer 6 provides inert gas, on the one hand can shield, on the other hand can form a level pressure
Power, is easy to the conveying of metal dust.Storage tank 7 can be preheated to metal dust, it is melted faster.
Scanned on the basis of the various embodiments described above, in addition to for the three-dimensional optical for monitoring 3D printing device print procedure
Detector and the data collection and transmission 16 being electrically connected with three-dimensional optical scanning detector, data collection and transmission
16 are used for the stress distribution of the data acquisition printable layer according to three-dimensional optical scanning detector feedback, and data collection and analysis system
System 16 is electrically connected with master control device 22.Three-dimensional optical sweep chanalyst 10 can be monitored to process, collection processing
Each stage data, and send to data collection and transmission 16, data collection and transmission 16 is according to reception
Data analysis obtains the stress distribution cloud atlas and macro geometry figure of part, and then feeds back to general control system, forms closed-loop system.
Instruct laser peening to forge operation simultaneously, improve mechanical performance.The structure of specific three-dimensional optical scanning detector, operation principle and
The operation principle of data collection and analysis refer to prior art, and here is omitted.
Above-mentioned gas powder controller, 3D printing controller 15, data collection and transmission 16, continuous laser generator 17,
Pulse laser generator 18, laser forge controller 19 and for controlling the controller 20 of workbench 3 of workbench 3 all by master control
Device 22 processed, such as computer control system control, and to its feedback data, it is collectively forming an intelligent manufacturing system.
The invention also discloses a kind of increasing material manufacturing method of labyrinth, in a specific embodiment, the present invention is carried
The increasing material manufacturing method of the labyrinth of confession, comprises the following steps：
S1：Threedimensional model is set up according to part shape；
S2：Subdivision and hierarchy slicing are carried out to the threedimensional model of foundation, and obtain the motion of laser printing powder-supplying spray head 1
Path；
Set up mode, subdivision, principle of hierarchy slicing etc. of specific threedimensional model refer to prior art, herein no longer
Repeat.
S3：Control powder-supplying spray head 1 to move according to motion path, successively carry out laser printing, and current printable layer is carried out
Holostrome laser is forged.
Namely in successively print procedure, holostrome laser is carried out to current printable layer respectively and forged.Pass through every printing one
After layer material, the i.e. current printable layer of layer just printed is forged, very big residual stress is eliminated.It can specifically pass through
Laser in above-mentioned increasing material manufacturing system forges device progress laser and forged.
Further, in above-mentioned steps S3 and to current printable layer carry out laser forge, specifically include：
The stress distribution of current printable layer is obtained, the frequency for adjusting laser according to stress distribution carries out holostrome laser and forged.
The frequency for namely adjusting laser accordingly according to the stress distribution of the layer just printed is forged, with pointedly, more
Effectively to eliminate residual stress.The three-dimensional optical scanning detector in above-mentioned increasing material manufacturing system and data can specifically be passed through
Collection obtains the stress distribution of current printable layer with analysis, according to stress distribution situation and the thickness of diverse location, it is determined that not
With the laser intensity needed for position.Then control machinery arm drives laser peening head to forge part, passes through swashing for change
The frequency of light, realizes the shock strength that diverse location is forged, and internal stress is reduced or eliminated, and eliminates stomata, the defect of shrinkage porosite.
Further, the above method also includes step：
S4：The stress distribution of the diverse location of printable layer is obtained, and when local stress is more than default stress value, progress office
Portion's laser is forged.
With ATO three-dimensional opticals sweep chanalyst 10, the stress distribution at each position of each can be obtained in stage.Now, exist
Printing each stage, launched according to demand by pulse laser generator 18 different frequency laser passed to by optical fiber 11 it is sharp
Light shot-peening shower nozzle, laser forge controller 19 control multi-shaft interlocked laser peening mechanical arm 13, it is flexible excessive to stress
Position carries out local forge.The mechanical integrated performance of final optimization pass, reaches forging performance.
Holostrome laser is carried out to current printable layer to forge, specifically include on the basis of the various embodiments described above, in step S3：
The continuous laser beam of 3D printing works simultaneously with the pulse laser beam that impact is forged, and pulse laser beam follows closely continuous sharp
After light beam, the current printable layer progress laser-impact just shaped is forged in optimum temperature region and size range.Also
It is that two beam laser are processed while coupling during holostrome is forged, it is high in machining efficiency.Continuous laser beam carries out laser 3D and beaten
After print, temperature is especially suitable for forging at 600-700 DEG C, and progress laser-impact is forged in holostrome size range, favorably
In the raising of part combination property.
Below by one preferred embodiment exemplified by, illustrate the increasing material manufacturing device of labyrinth that the present invention provides and
Method.
Referring to Fig. 3, Fig. 3 is the flow signal of the increasing material manufacturing method of the labyrinth of a specific embodiment of the invention
Figure.It specifically includes following steps：
1. modeling.The three-dimensional mould of part is set up using the Computerized three-dimensional software such as UG, SolidWorks, Pro/E, CATIA
Type
2. subdivision and section.The model for treating processed complex part using computer control system carries out subdivision and divided
Layer section, while obtaining the motion path of laser printing shower nozzle, instructs printer layering printing.
3. file format is changed.Design software file is converted to the normative document stl file cooperated between printer
Form.
4. equipment prepares.It is ready to process powder, is added in storage tank 7 and is preheated.Select continuous laser generator
17 suitable parameter (temperature, frequency) carries out stack shaping so as to more preferable seasoning metal powder.
5. nozzle is printed by track.3D printing mechanical arm 9 drives coaxial powder-feeding shower nozzle 1 to be moved according to predetermined track, gold
Category powder is sent to coaxial powder feeding device with inert gas after the pressurization of pulsometer 6 by flexible pipe, and continuous laser generator 17 is launched
Laser is sent to after coaxial powder feeding device fusing metal, laser fusion metal by optical fiber 11 and carries out stacking shaping to material.
6. detecting instrument is to printing process monitoring.Process is carried out using monitor is scanned from ATO three-dimensional opticals
Monitoring, and measure the macroshape and stress distribution of part.Monitoring information is fed back into computer control system simultaneously, formation is closed
Ring is controlled.
7. printable layer laser holostrome is forged.Overall forge is carried out to the layer printed.Data collection and transmission
The data that 16 pairs of ATO three-dimensional opticals scanning monitors are fed back are analyzed and processed, and the stress distribution for obtaining printable layer is transmitted to
Computer control system.Computer control system is according to the thickness of stress distribution situation and diverse location and the zone machines
The requirement of energy, determines the laser intensity needed for diverse location.Then laser is instructed to forge controller 19 to control laser peening machine
Tool arm 13 drives laser peening head to forge part, the frequency of the laser changed by pulse laser generator 18, realizes
The shock strength that diverse location is forged, is reduced or eliminated internal stress, eliminates stomata, the defect of shrinkage porosite.
8. successively 3D printing.Scan to form part slicing layer according to desired trajectory path.Successively accumulate, finally complete complexity
The laser printing of the monnolithic case of part.
9. successively laser-impact is forged.Successively printed according to step 5, successively while 3D printing, laser-impact forging
Beat followed by shower nozzle, forged by step 6,7 progress laser, improve the combination property of part.
10. local laser is forged.With ATO three-dimensional opticals sweep chanalyst 10, each position of each can be obtained in stage
Stress distribution.Now, in each stage of printing, the laser of different frequency is launched according to demand by pulse laser generator 18
Laser peening shower nozzle is passed to by optical fiber 11, laser forges controller 19 and controls multi-shaft interlocked laser peening mechanical arm 13 flexible
The position excessive to stress carry out local forge.The mechanical integrated performance of final optimization pass, reaches forging performance.
11. technological process terminates.
The increasing material manufacturing system and method for above-mentioned labyrinth, forges labyrinth using double light beam laser impact and realizes
Increasing material manufacturing loss of weight lightweight, it is a major advantage that：
1. laser reduces the influence of residual stress after forging, the buckling deformation of part is controlled, while eliminating gas
Hole, the defect such as shrinkage porosite.The mechanical strength for the part that double excitation printing is forged is greatly improved, and mechanical integrated performance is improved.Institute
Can improve structure to further being optimized to design of part, reduce size, finally realize the loss of weight lightweight of part.
2. 3D printing shower nozzle and laser peening shower nozzle are driven respectively using two multi-shaft interlocked mechanical arms.Mechanical arm it is many from
By degree motion, it is easier to which the complicated structure of printing is without supporting, such as cantilever and engraved structure；The more convenient structure to complexity
Carry out laser to forge, eliminate internal stress.
3. after laser 3D printing, temperature is especially suitable for forging, forged in such circumstances at 600-700 DEG C,
It is more beneficial for the raising of part combination property.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. the increasing material manufacturing system of a kind of labyrinth, it is characterised in that forge dress including workbench, 3D printing device, laser
Put and master control device；
The 3D printing device includes powder-supplying spray head, the 3D printing for driving the relatively described movable workbench of the powder-supplying spray head
Mechanical arm, the continuous laser generator being connected with the powder-supplying spray head；
The laser, which forges device, includes shot blasting nozzle, the laser for driving the relatively described movable workbench of the shot blasting nozzle
Blasting machinery arm, the pulse laser generator being connected with the shot blasting nozzle；
The master control device forges device with the 3D printing device and the laser respectively and electrically connected to control the 3D to beat
Print the movement of mechanical arm and the laser peening mechanical arm.
2. increasing material manufacturing system according to claim 1, it is characterised in that the 3D printing device is controlled including 3D printing
Device, the laser forges device and forges controller including laser, and the 3D printing controller and the laser forge controller point
Do not electrically connected with the master control device.
3. increasing material manufacturing system according to claim 1, it is characterised in that the 3D printing device also includes storage tank,
The storage tank is connected by pipeline with the powder-supplying spray head, with being provided with for providing inert gas for the pipeline connection
The powder amount controller for controlling powder sending quantity, the powder amount controller and the air pressure are provided with pulsometer, and the pipeline
Pump is electrically connected with gas powder control device, and the gas powder control device is electrically connected with the master control device.
4. increasing material manufacturing system according to claim 1, it is characterised in that the 3D printing mechanical arm sprays with the laser
Ball mechanical arm is multi-shaft interlocked mechanical arm.
5. the increasing material manufacturing system according to claim any one of 1-4, it is characterised in that also including for monitoring the 3D
The three-dimensional optical scanning detector of printing equipment print procedure and the data being electrically connected with the three-dimensional optical scanning detector
Collection and analysis system, the data collection and transmission are used for the data fed back according to the three-dimensional optical scanning detector
The stress distribution of printable layer is obtained, and the data collection and transmission is electrically connected with the master control device.
6. a kind of increasing material manufacturing method of labyrinth, it is characterised in that comprise the following steps：
Threedimensional model is set up according to part shape；
Subdivision and hierarchy slicing are carried out to the threedimensional model of foundation, and obtain the motion road of laser printing powder-supplying spray head
Footpath；
The powder-supplying spray head movement is controlled according to the motion path, laser printing is successively carried out, and current printable layer is carried out
Holostrome laser is forged.
7. increasing material manufacturing method according to claim 6, it is characterised in that described and carry out laser forging to current printable layer
Beat, specifically include：
The stress distribution of current printable layer is obtained, the frequency for adjusting laser according to the stress distribution carries out holostrome laser and forged.
8. increasing material manufacturing method according to claim 7, it is characterised in that also include：
The stress distribution of the diverse location of printable layer is obtained, and when local stress is more than default stress value, carries out local laser
Forge.
9. the increasing material manufacturing method according to claim any one of 1-6, it is characterised in that described to be carried out to current printable layer
Holostrome laser is forged, and is specifically included：
The continuous laser beam of 3D printing works simultaneously with the pulse laser beam that impact is forged, and pulse laser beam follows continuous laser beam closely
Afterwards, laser-impact is carried out to the current printable layer just shaped in optimum temperature region and size range to forge.
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Application publication date: 20170908 |