CN107199340A - A kind of shaping of metal powders device head - Google Patents
A kind of shaping of metal powders device head Download PDFInfo
- Publication number
- CN107199340A CN107199340A CN201710652885.7A CN201710652885A CN107199340A CN 107199340 A CN107199340 A CN 107199340A CN 201710652885 A CN201710652885 A CN 201710652885A CN 107199340 A CN107199340 A CN 107199340A
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- Prior art keywords
- light extraction
- shaping
- metal powders
- device head
- extraction cylinder
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- 239000000843 powder Substances 0.000 title claims abstract description 83
- 238000007493 shaping process Methods 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
-
- 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]
-
- 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
- B22F12/20—Cooling means
-
- 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
- B22F12/44—Radiation means characterised by the configuration of the radiation means
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
- B22F12/55—Two or more means for feeding material
-
- 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
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of shaping of metal powders device head, include the angle adjusting mechanism of light extraction mechanism, powder feeding mechanism, the connection light extraction mechanism and powder feeding mechanism, light extraction mechanism includes light extraction cylinder and the outer sleeve being arranged on its periphery wall, and light extraction cylinder is used to be fixedly connected with laser main shaft；Powder feeding mechanism include it is multiple be distributed in the circumferential tube cells of light extraction cylinder, the axis of the powder convergent points of multiple tube cells just with laser main shaft is overlapped；Angle adjusting mechanism includes connecting rod and anglec of rotation block, realized and be fastenedly connected with outer sleeve and tube cell by anglec of rotation block and bolt respectively in the two ends of connecting rod, the angle angular adjustment of connecting rod and tube cell is realized by restraint location of the regulating bolt on anglec of rotation block, and then realizes the powder convergence dot density of the multiple tube cells of regulation.The present invention realizes that powder converges the regulation of dot density by angle adjusting mechanism, is also moved up and down by outer sleeve relative to light extraction cylinder, realizes moving up and down for tube cell convergent point and laser cross-over.
Description
Technical field
The present invention relates to metal powder laser processing technique field, more particularly to a kind of shaping of metal powders device head.
Background technology
Coaxial-type laser forming technique is that alloy material powder is passed through into load in laser forming process using powder feed system
Powder air-flow is sent directly into laser action area, it is melted simultaneously with matrix material, cooled and solidified formation metallurgical binding.Synchronous powder feeding system
Forming process advantageously reduces shaping layer thickness, realizes the controllability in terms of material, tissue and part shape, is current apply most
Extensive laser gain material manufacturing technology.
Feeding head employed in coaxial laser forming technique, its structure may insure the axis and laser axis of powder stream
Intersecting, powder stream has preferable symmetry relative to laser beam, and then ensures process quality, it may be achieved complicated surface sweeping track
Under shaping.
Laser coaxial shape when, according to different matrixes, dusty material and technological parameter, need regulation powder convergent point and
The relative position and powder convergent point Density Distribution of laser spot.Existing coaxial powder feeding head is often through threaded connector with containing
The laser head for having laser focusing lens is connected, and it is adjusted the distance between with lens by rotating feeding head, so as to change powder
The position relationship of last convergent point and laser spot.But in real work, powder, gas and water are often distributed with coaxial powder feeding head
Etc. various pipelines, need to dismantle when being rotated each road pipeline it is to be regulated after the completion of, reinstall, it is cumbersome.Next, by
Fixed in the powder feeding passage of traditional coaxial powder feeding head, when carrying powder air-flow and the timing of powder sending quantity one, the concentration distribution of its powder is true
It is fixed, it cannot be adjusted.Further, existing chopping mechanism is fixed or scope of compromise is limited, it is limited in commercial Application
System.
As can be seen here, existing coaxial laser forming technique is in structure, method and using upper, it is clear that still suffered from inconvenience with
Defect, and be urgently further improved.How to found a kind of new can change laser convergent point and powder convergent point is close
Spend one of the shaping of metal powders device head of distribution, the real current important research and development problem of category.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of shaping of metal powders device head, it is set to change laser remittance
Accumulation and powder convergent point Density Distribution, so as to overcome the shortcomings of existing coaxial laser forming technique.
In order to solve the above technical problems, the present invention provides a kind of shaping of metal powders device head, including light extraction mechanism, powder feeding
The angle adjusting mechanism of mechanism, the connection light extraction mechanism and powder feeding mechanism,
The light extraction mechanism includes light extraction cylinder and the outer sleeve being arranged on its periphery wall, and the light extraction cylinder is used for
It is fixedly connected with laser main shaft；
The powder feeding mechanism includes multiple tube cells for being distributed in the light extraction cylinder circumference, and the powder of the multiple tube cell converges
Axis of the accumulation just with the laser main shaft is overlapped；
The angle adjusting mechanism includes connecting rod and anglec of rotation block, and the two ends of the connecting rod pass through the anglec of rotation respectively
Degree block and bolt are realized to be fastenedly connected with the outer sleeve and tube cell, by adjusting the bolt on the anglec of rotation block
Restraint location realize the angle angular adjustment of the connecting rod and tube cell, and then realize the powder convergence of the multiple tube cell of regulation
Dot density.
As a modification of the present invention, regulating tank is offered on the anglec of rotation block, is existed by adjusting the bolt
Restraint location in the regulating tank realizes the angle angular adjustment of the connecting rod and tube cell.
Further improve, the powder feeding mechanism includes 6 and is uniformly and symmetrically distributed in the circumferential tube cell of the light extraction cylinder.
Further improve, the outer sleeve is rotatably arranged on the periphery of the light extraction cylinder.
Further improve, be threadedly rotatably connected between the outer sleeve and light extraction cylinder.
Further improve, the shaping of metal powders device head also includes chopping mechanism, the chopping mechanism includes two layers
The first light shield layer and the second light shield layer that is distributed and can rotate against up and down；
First light shield layer includes the quantity anti-dazzling screen equal with the tube cell number, and is slidably arranged in the light extraction
The rotating ring of cylinder periphery bottom, the anti-dazzling screen is sector structure, and the fan-shaped short side of the sector structure is fixedly connected on
On the rotating ring, an anti-dazzling screen is respectively set between the adjacent tube cell two-by-two；
Second light shield layer is identical with first light shield layer structure, the anti-dazzling screen in second light shield layer with it is described
Anti-dazzling screen in first light shield layer is mutually lapped cooperation, passes through the rotating ring in second light shield layer and first light shield layer
In the slip of rotating ring and the light extraction cylinder body outer wall rotate, realize the regulation of shading-area.
Further improve, the shaping of metal powders device head also includes protection eyeglass, the protection eyeglass passes through protection
Mirror mounting bracket is arranged on the inwall of the light extraction cylinder.
Further improve, the shaping of metal powders device head is also cold including being arranged on the first of the light extraction tube external week
But water route.
Further improve, the shaping of metal powders device head also includes the second cooling water for being arranged on the tube cell periphery
Road.
Further improve, the top of the light extraction cylinder is fixedly connected by flange with the laser main shaft, the laser
Condenser lens is set on the inwall of main shaft.
After such design, the present invention at least has advantages below：
1st, it is an advantage of the invention that because outer sleeve is connected through a screw thread with the light extraction cylinder, when rotating up and down not by
The influence of the various assemblies such as powder, gas and water, can be in the case where not dismantling various assemblies, by outer sleeve relative to light extraction tube
Body downwards or is rotated up so that tube cell down or is up moved, so make tube cell mill diagram and laser cross-over down or
Person up moves, while the angle angle of tube cell and light extraction cylinder is adjusted by lever regulated mechanism, so as to reach that change swashs
The purpose of light convergent point and powder convergent point Density Distribution.
2nd, the present invention, can be according to actual conditions come any regulation shading gross area by setting adjustable shading mechanism
Size, reaches the purpose for the laser for blocking reflection, and then avoids the component heat damage on chopping mechanism, increases the life-span.
3rd, the present invention can both prevent from being excited by setting protection eyeglass and cooling water channel on the inwall of the light extraction cylinder
The powder of light heating flies up damage laser head, can prevent light extraction cylinder lower end is heated to damage and protection eyeglass is heated bursting again, carry
The security reliability of the high device.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, below
With reference to accompanying drawing, the present invention is described in further detail with embodiment.
Fig. 1 is the structural profile schematic diagram of shaping of metal powders device head of the present invention.
Fig. 2 is the upward view of shaping of metal powders device head of the present invention.
Fig. 3 is the schematic diagram of light shield layer shading angle change in Fig. 2.
Fig. 4 is the structural representation of angle adjustment mechanism change in Fig. 1.
Structural representation when Fig. 5 moves down for outer sleeve in Fig. 4.
Embodiment
Referring to the drawings shown in 1~3, shaping of metal powders device head of the present invention includes light extraction mechanism, powder feeding mechanism, connected out
The angle adjusting mechanism of ray machine structure and powder feeding mechanism, and chopping mechanism.
The light extraction mechanism includes light extraction cylinder 3 and the outer sleeve 13 being arranged on its periphery wall.The top of the light extraction cylinder 3
It is fixedly connected by flange with laser main shaft, and the central axis of light extraction cylinder 3 is overlapped with the axis of laser main shaft.Laser master
Axle includes condenser lens 17 and Lens mounting carrier 18, and condenser lens 17 is used to be focused the laser beam passed through.
The powder feeding mechanism is distributed in the circumferential tube cell of light extraction cylinder 3 including multiple, and intersects the axial direction of the plurality of tube cell
Point, i.e. powder convergent point, are just overlapped with laser axis.The present embodiment is uniformly and symmetrically distributed circumferential in light extraction cylinder using 6
Tube cell 5, the tube cell 5 from carry powder air flow inlet 16 enter powder, export out powder from tip.Certain tube cell number can be adopted as needed
With >=6 positive integer.
The angle adjusting mechanism includes anglec of rotation block 20 and connecting rod 10, and the two ends of the connecting rod 10 pass through the anglec of rotation respectively
Block 20 and bolt are fastenedly connected with outer sleeve 13 and tube cell 5.Regulating tank, preferably arc regulating tank are provided with anglec of rotation block 20.
By the angle of angle 21 of restraint location adjustable link 10 of the regulating bolt in regulating tank and tube cell 5, so as to realize regulation
The powder convergence dot density of multiple tube cells, tube cell 5 is exported to the distance increasing of laser convergent point 1 during such as angle of increase angle 21
Greatly, cause powder to converge dot density to reduce；When reducing the angle of angle 21, tube cell 5 is exported to the distance of laser convergent point 1 and subtracted
It is small, cause powder to converge dot density increase.
The outer sleeve of this in the present embodiment 13 is rotatably arranged on the periphery of light extraction cylinder 3, such as threadedly rotates
Connection, such tube cell 5 is by connecting rod 10, anglec of rotation block 20 and outer sleeve 13 formation link gear, when outer sleeve 13 is to moving down
Anglec of rotation block 20, connecting rod 10, tube cell 5 can also be moved down simultaneously when dynamic, the anglec of rotation block when outer sleeve 13 is moved up
20th, connecting rod 10, tube cell 5 can also be moved up simultaneously, as shown in figs. 4 and 5.Certain outer sleeve 13 can also use other manner
It is connected, is such as slidably connected by way of guide rail with the periphery of light extraction cylinder 3.
Chopping mechanism includes about two layers distribution and the first light shield layer that can be rotated against and the second shading in the present embodiment
Layer.
First light shield layer includes the quantity anti-dazzling screen 7 equal with tube cell number, and is slidably arranged in the periphery of light extraction cylinder 3
The rotating ring 4 of bottom.Each anti-dazzling screen 7 is sector structure, is separately positioned between tube cell adjacent two-by-two, the sector structure
Fan-shaped short side be fixed on by screw connection manner on rotating ring 4, then anti-dazzling screen 7 can be achieved with light extraction by the rotation of rotating ring 4
The axis of cylinder 3 is that shaft center line or so is rotated freely.Second light shield layer is arranged on the top of the first light shield layer, and its is specific
Structure is identical with the first light shield layer, including the quantity anti-dazzling screen 8 equal with tube cell number, and is fixedly installed on outside light extraction cylinder 3
The rotating ring 6 of all bottoms.Wherein the anti-dazzling screen 7 is mutually lapped cooperation with anti-dazzling screen 8, passes through rotating ring 4, rotating ring 6 and light extraction
The slip rotation of the outer wall of cylinder 3, can be achieved the regulation of shading-area.In such as accompanying drawing 2, the rotating ring 6 when the position of rotating ring 4 is motionless
On the basis of light extraction tubular axis 2 to the left rotate counterclockwise when, obtain the irregular fan-shaped lightproof area gross area shown in accompanying drawing 3
Become big situation, otherwise can diminish, so that the chopping mechanism can be according to actual conditions come the size of any regulation shading gross area.
Chopping mechanism of the present invention can block the laser of reflection and then avoid component heat damage on chopping mechanism.
Shaping of metal powders device head of the present invention also includes protection eyeglass 12, and the protection eyeglass 12 installs branch by protective glass
Frame 19 is arranged on the inwall of light extraction cylinder 3.The powder that the protection eyeglass 12 is used to prevent Stimulated Light from heating flies up and damages sharp
Shaven head.
In order to further protect the shaping of metal powders device head, the device head is also cold including the first cooling water channel and second
But water route.
The cooling water that first cooling water channel is arranged on first cooling water channel in the periphery of light extraction cylinder 3, such as accompanying drawing 1 enters
Mouth 9 and coolant outlet 11, the lower end of light extraction cylinder 3 and the protection environment temperature of eyeglass 12 can be reduced by first cooling water channel,
Prevent its lower end of light extraction cylinder 3 is heated from damaging and protecting eyeglass 12 by thermal breakage.
Second cooling water channel is arranged on the cooling water inlet 14 of second cooling water channel in the periphery of tube cell 5, such as accompanying drawing 1
With coolant outlet 15, the heated breaking-up of tube cell 5 can be prevented by second cooling water channel.
Outer sleeve 13 of the present invention is connected through a screw thread with light extraction cylinder 3, is not pollinated when rotating up and down, various groups of gas and water etc.
The influence of part, can be downwards or upward relative to light extraction cylinder 3 by outer sleeve 13 in the case where not dismantling various assemblies
Rotation so that tube cell down or is up moved, and then makes tube cell mill diagram down or up be moved with laser cross-over, simultaneously
The angle angle of tube cell 5 and connecting rod 10 is adjusted by angle adjusting mechanism, so as to reach that change laser convergent point and powder converge
The purpose of accumulation Density Distribution.
The polylith anti-dazzling screen of the present invention is connected to form rotatable light shield layer by rotating ring with light extraction tube body phase, and due to
Two layers of light shield layer is set, in the same direction or reversely rotates along light extraction tubular axis by two layers of light shield layer and is decreased or increased the total face of shading
Product, forms the chopping mechanism of the adjustable shading gross area.Certainly, the light shield layer of more layers can be also set according to actual needs.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, this
Art personnel make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all fall within this hair
In bright protection domain.
Claims (10)
1. a kind of shaping of metal powders device head, it is characterised in that including going out ray machine described in light extraction mechanism, powder feeding mechanism, connection
The angle adjusting mechanism of structure and powder feeding mechanism,
The light extraction mechanism includes light extraction cylinder and the outer sleeve being arranged on its periphery wall, the light extraction cylinder, for swashing
Light main shaft is fixedly connected；
The powder feeding mechanism includes multiple tube cells for being distributed in the light extraction cylinder circumference, the powder convergent point of the multiple tube cell
Just the axis with the laser main shaft is overlapped；
The angle adjusting mechanism includes connecting rod and anglec of rotation block, and the two ends of the connecting rod pass through the anglec of rotation block respectively
Realize and be fastenedly connected with the outer sleeve and tube cell with bolt, it is tight on the anglec of rotation block by adjusting the bolt
Maintenance puts the angle angular adjustment for realizing the connecting rod and tube cell, and then realizes that the powder convergent point of the multiple tube cell of regulation is close
Degree.
2. shaping of metal powders device head according to claim 1, it is characterised in that offered on the anglec of rotation block
Regulating tank, realizes that the angle angle of the connecting rod and tube cell is adjusted by adjusting restraint location of the bolt in the regulating tank
Section.
3. shaping of metal powders device head according to claim 1, it is characterised in that the powder feeding mechanism includes 6
It is even to be symmetrically distributed in the circumferential tube cell of the light extraction cylinder.
4. shaping of metal powders device head according to claim 1, it is characterised in that the outer sleeve is rotatable to be set
In the periphery of the light extraction cylinder.
5. shaping of metal powders device head according to claim 4, it is characterised in that the outer sleeve and light extraction cylinder it
Between be threadedly rotatably connected.
6. shaping of metal powders device head according to claim 1, it is characterised in that the shaping of metal powders device head
Also include chopping mechanism, the chopping mechanism includes about two layers distribution and the first light shield layer that can be rotated against and the second shading
Layer；
First light shield layer includes the quantity anti-dazzling screen equal with the tube cell number, and is slidably arranged in the light extraction cylinder
The rotating ring of periphery bottom, the anti-dazzling screen is sector structure, and the fan-shaped short side of the sector structure is fixedly connected on described
On rotating ring, an anti-dazzling screen is respectively set between the adjacent tube cell two-by-two；
Second light shield layer is identical with first light shield layer structure, the anti-dazzling screen in second light shield layer and described first
Anti-dazzling screen in light shield layer is mutually lapped cooperation, by the rotating ring in second light shield layer and first light shield layer
The slip of rotating ring and the light extraction cylinder body outer wall rotates, and realizes the regulation of shading-area.
7. shaping of metal powders device head according to claim 1, it is characterised in that the shaping of metal powders device head
Also include protection eyeglass, the protection eyeglass is arranged on by protective glass mounting bracket on the inwall of the light extraction cylinder.
8. shaping of metal powders device head according to claim 1, it is characterised in that the shaping of metal powders device head
Also include the first cooling water channel for being arranged on the light extraction tube external week.
9. shaping of metal powders device head according to claim 8, it is characterised in that the shaping of metal powders device head
Also include the second cooling water channel for being arranged on the tube cell periphery.
10. shaping of metal powders device head according to claim 1, it is characterised in that the top of the light extraction cylinder leads to
Cross flange to be fixedly connected with the laser main shaft, condenser lens is set on the inwall of the laser main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652885.7A CN107199340B (en) | 2017-08-02 | 2017-08-02 | Metal powder forming device head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652885.7A CN107199340B (en) | 2017-08-02 | 2017-08-02 | Metal powder forming device head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107199340A true CN107199340A (en) | 2017-09-26 |
| CN107199340B CN107199340B (en) | 2023-06-06 |
Family
ID=59911470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652885.7A Active CN107199340B (en) | 2017-08-02 | 2017-08-02 | Metal powder forming device head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107199340B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838422A (en) * | 2017-10-17 | 2018-03-27 | 安徽工程大学 | A kind of method and device that alloy components are obtained using laser 3D printing |
| CN109604594A (en) * | 2018-12-11 | 2019-04-12 | 西安航天发动机有限公司 | A kind of shell class casting laser repairing coaxial powder feeding head device |
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| CN106801226A (en) * | 2017-03-10 | 2017-06-06 | 浙江工业大学 | A kind of adjustable hinge slider formula laser coaxial powder feeding nozzle of powder focus |
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| CN107199340B (en) | 2023-06-06 |
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