CN109338359A - The accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser - Google Patents
The accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser Download PDFInfo
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- CN109338359A CN109338359A CN201811535012.9A CN201811535012A CN109338359A CN 109338359 A CN109338359 A CN 109338359A CN 201811535012 A CN201811535012 A CN 201811535012A CN 109338359 A CN109338359 A CN 109338359A
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- axis
- head
- metal powder
- fixing seat
- column fixing
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- 239000000843 powder Substances 0.000 title claims abstract description 61
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000004372 laser cladding Methods 0.000 title claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 26
- 230000001154 acute effect Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005253 cladding Methods 0.000 abstract description 32
- 230000015572 biosynthetic process Effects 0.000 abstract description 17
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of high-rate laser cladding heads, cause metal powder utilization rate to be difficult to improve for the cladding head of existing I class formation；And during using existing I class formation cladding head, metal powder burning and the problem of severe oxidation phenomenon frequent occurrence provides a kind of multi beam metal powder stream and multiple laser precisely matched high-rate laser cladding head.Cladding head includes column fixing seat, transition connector sleeve and taper feeding head；At least two protection stomata of transition connector sleeve one end setting；Through-hole is lost around column fixing seat axis setting at least two in column fixing seat；The axis for each losing through-hole intersects at same point A with column fixing seat axis；The big end of taper feeding head is located above small end, and middle part is equipped with the bellmouth of perforation；At least two conveying through-holes are set around taper feeding head axis on taper feeding head；The axis of each conveying through-hole intersects at same point B with taper feeding head axis；Intersection points B is located above intersection point A.
Description
Technical field
The invention belongs to high-rate laser cladding and laser gain material manufacturing fields, are related to a kind of high-rate laser cladding head, specifically
It is related to a kind of multi beam metal powder stream and multiple laser precisely matched high-rate laser cladding head.
Background technique
High-rate laser cladding belongs to a kind of metal surface treatment process of novel green.The technique is by laser in matrix
On act on metal powder, will fusing or semi-molten powder stream quickly solidified into molten bath the surface to form metallurgical bonding painting
Layer.Laser melting coating head belongs to the important component in laser cladding equipment, and effect is by laser, metal powder and protective gas edge
Setting path carries out integration output.
According to the relative tertiary location of metal powder stream and laser beam, it is laser that traditional laser melting coating head, which can be divided into center,
Beam (I class formation) and center are powder stream (II class formation) two kinds of structures.
When I class formation laser melting coating head works, laser beam runs through cladding head along cladding head central axis, and powder stream is with laser beam
Centered on, cyclic annular or equidistant pencil is distributed in around laser beam, runs through cladding head.
II class formation center powder feeding annular beam structure cladding head, powder stream run through cladding head along cladding head central axis, swash
Light light beam annular distribution is around powder stream.It needs for single beam laser to be shaped as inner hollow ring light inside II class formation cladding head
Beam, technique realize that difficulty is big, and technical requirements are high, and market is using less.
Compared to II class formation laser melting coating head, the market application of I class formation laser melting coating head is more universal.But it is existing
There is the cladding head of I class formation to determine that the angle of metal powder stream and laser beam can not further decrease, and then laser beam and powder stream
Overlapping area can not further increase, cause metal powder utilization rate to be difficult to improve；And using existing I class formation cladding head
When, metal powder burning and severe oxidation phenomenon frequent occurrence.
Summary of the invention
The purpose of the present invention is overcome the cladding head of existing I class formation to cause the angle of metal powder stream and laser beam can not be into
One step reduces, and metal powder utilization rate is caused to be difficult to improve；And during using existing I class formation cladding head, often send out
The deficiency of raw metal powder burning and severe oxidation phenomenon, and a kind of multi beam metal powder stream and multiple laser precisely matched height are provided
Fast laser melting coating head.The present invention transform the structure type of former I class formation cladding head single beam laser, multi beam powder stream as multi beam powder stream
With the accurate matched structure type of multiple laser, correspond metal powder stream and laser beam, it is possible to prevente effectively from background technique
In technical problem present in the I class formation cladding head mentioned, and metal powder high with S. E. A. of the metal powder to laser
The advantages of being not easy burning.
To achieve the above object, present invention provide the technical scheme that a kind of multi beam metal powder stream and multiple laser are accurate
Matched high-rate laser cladding head, is characterized in that, including the coaxial column fixing seat set gradually up and down, transition connection
Set and taper feeding head；The both ends of transition connector sleeve are connected with column fixing seat and taper feeding head respectively；Transition connector sleeve connects
The circumference setting at least two of column fixing seat one end is connect for being passed through the protection stomata of protective gas；In column fixing seat around
Column fixing seat axis setting at least two loses through-hole for what laser passed through, loses the axis and column fixing seat axis of through-hole
Wire clamp angle is at an acute angle；The axis for each losing through-hole intersects at same point A with column fixing seat axis；Taper feeding head it is big
End is located above small end, and middle part is equipped with the bellmouth of perforation；On taper feeding head at least around the setting of taper feeding head axis
Two are used to convey the conveying through-hole of metal powder material, and the axis and taper feeding head axis angle of conveying through-hole are at an acute angle；Each
The axis of conveying through-hole intersects at same point B with taper feeding head axis；Intersection point A and intersection points B be respectively positioned on taper feeding head it
Outside, and intersection points B is located above intersection point A；Conveying through-hole is corresponded with through-hole is lost, the axis of the two axis and column fixing seat
Three lines are coplanar.
Further, the distance between above-mentioned intersection point A and intersection points B are 1cm~10cm.
Further, to make full use of space structure, while act on laser beam sufficiently with metal powder, it is above-mentioned to lose
Through-hole is uniformly distributed around column fixing seat axis；The conveying through-hole is uniformly distributed around taper feeding head axis.
Further, to guarantee that protective gas even exports in cladding head, above-mentioned protection stomata was evenly distributed on
Cross the circumference of connector sleeve.
Further, the corresponding through-hole of each losing in the upper surface of above-mentioned column fixing seat is arranged one to be easily installed laser defeated
The inclined-plane or groove lifted one's head.
Further, in order to save the material of installation space and transition connector sleeve, the cross section of above-mentioned transition connector sleeve from
Top to bottm linearly reduces.
Further, above-mentioned column fixing seat and the integrated molding of transition connector sleeve or the transition connector sleeve and taper
Feeding head is integrally formed.
Further, above-mentioned transition connector sleeve and column fixing seat are connected by flange.
Further, to be easily installed powder inlet pipe, the upper end of above-mentioned taper feeding head is shaped hollow round table.
Further, above-mentioned taper feeding head is connected through a screw thread with transition connector sleeve.
Compared with existing I class formation cladding head, the invention has the advantages that
1, cladding head provided by the invention can realize that multiple laser, multi beam metal powder stream correspond, and realize multiple laser
It is accurately matched with multi beam metal powder stream；Using the high-rate laser cladding head of the structure, work efficiency is high for cladding, metal powder utilization rate
It is high.
2, each of cladding head of the present invention lose through-hole tilted to corresponding conveying through-hole, it can be achieved that metal powder stream with
The smaller angle of laser beam increases the overlapping area of laser beam and powder stream, absorbs laser energy convenient for metal powder, improves powder
Utilization rate.
3, cladding head of the present invention has dispersed laser energy due to losing through-hole using multiple；Thus effectively prevent using
Single beam high power density laser beam carries out the phenomenon that cladding easily causes metal powder burning and severe oxidation generation.
4, multiple through-holes of losing of cladding head setting of the present invention are by power dissipation, so that being mounted on the laser on cladding head
General power can be higher.It is generally 2000-3000 watts using the laser power of existing I class formation cladding head, and uses this hair
The laser general power of bright high speed cladding head can be promoted to 4000-6000 watts, thus cladding processing efficiency greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cladding head one embodiment of the present invention；.
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the enlarged diagram of part I in Fig. 1；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 5 is the operation schematic diagram of cladding head installation laser export head of the present invention.
Each label is described as follows in figure:
01-laser beam, 02-metal powder；
Through-hole, 12-inclined-planes are lost in 1-column fixing seat, 11-；
2-transition connector sleeves, 21-protection stomatas, 22-flanges, 23-connector sleeve sleeves；
3-taper feeding heads, 31-conveying through-holes, 32-feeding head sleeves；
4-laser export heads；5-matrixes.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the present embodiment provides a kind of multi beam metal powder stream and multiple laser, precisely matched high-rate laser is molten
Head is covered, including coaxial column fixing seat 1, transition connector sleeve 2 and the taper feeding head 3 set gradually up and down.
The cross section of transition connector sleeve 2 linearly reduces from top to bottom, and the upper end is equipped with flange 22, is threaded through method by bolt
Transition connector sleeve 2 is connect with column fixing seat 1 on orchid 22；And the upper end of transition connector sleeve 2 is circumferentially arranged two for leading to
Enter the protection stomata 21 of protective gas；By being passed through protective gas in protection stomata 21, positive pressure is applied to powder, plays drainage
Effect.Protective gas generallys use the inert gases such as nitrogen, argon gas, forms inert gas shielding area in laser powder active region,
Prevent powder from aoxidizing.
The upper end of taper feeding head 3 is shaped hollow round table, and the upper end end face upwardly extends to form feeding head sleeve 32, powder feeding
Headgear cylinder 32 is equipped with internal screw thread；The lower end surface of transition connector sleeve 2 is downwardly extending connector sleeve sleeve 23, connector sleeve sleeve 23
Equipped with external screw thread；The feeding head sleeve 32 of taper feeding head 3 passes through thread set in the connector sleeve sleeve 23 of transition connector sleeve 2
On.
As shown in Figure 1 and Figure 2, three are uniformly arranged around 1 axis of column fixing seat in column fixing seat 1 to lead to for laser
That crosses loses through-hole 11, and axis and 1 axis angle of column fixing seat for losing through-hole 11 are at an acute angle；Each lose the axis of through-hole 11
Line intersects at same point A with 1 axis of column fixing seat (referring to Fig. 3).The upper surface correspondence of column fixing seat 1 is each lost logical
The inclined-plane 12 (referring to fig. 2) for being easily installed laser export head is arranged in hole 11.
The big end of taper feeding head 3 is located above small end, and middle part is equipped with the bellmouth of perforation.On taper feeding head 3
Three are uniformly arranged for conveying the conveying through-hole 31 (referring to Fig. 1, Fig. 4) of metal powder material around 3 axis of taper feeding head, and conveying is logical
The axis in hole 31 and 3 axis angle of taper feeding head are at an acute angle；The axis of each conveying through-hole 31 with 3 axis of taper feeding head
Intersect at same point B (referring to Fig. 3).
As shown in Figure 1, Figure 3, conveying through-hole 31 and the one-to-one correspondence of through-hole 11 is lost, corresponding conveying through-hole 31 and lost
The axis of through-hole 11 is coplanar with three line of axis of column fixing seat 1.Intersection point A and intersection points B are respectively positioned on except taper feeding head 3, and
Intersection points B is located above intersection point A, and the distance between intersection point A and intersection points B are 3cm.
The specific work process of the present embodiment cladding head is as follows:
Referring to Fig. 5,3 laser export heads 4 being fixed in cladding head column fixing seat 1 respectively with lose through-hole 11 one by one
Corresponding (a laser export head 4 is only shown in figure).
Laser beam 01 is respectively along the central axial direction transmission for losing through-hole 11, and metal powder 02 is along 31 central axis of conveying through-hole
The output of line direction.
Metal powder 02 meets on molten bath with corresponding laser beam 01, and three beams metal powder 02 fully absorbs laser energy simultaneously
The metal powder stream of fusing or semi-molten, fusing or semi-molten is under the protection gas effect that self weight, inertia and protection stomata 21 are passed through
It is sent into 5 surface molten bath of matrix, is quickly solidified the surface covering to form metallurgical bonding.
The above is only the preferred embodiment of the present invention is described, technical solution of the present invention is not limited to
This, those skilled in the art's made any known deformation on the basis of major technique design of the invention belongs to the present invention
Claimed technology scope.
Claims (10)
1. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser, it is characterised in that: including coaxial
Column fixing seat (1), transition connector sleeve (2) and the taper feeding head (3) set gradually up and down；
The both ends of transition connector sleeve (2) are connected with column fixing seat (1) and taper feeding head (3) respectively；Transition connector sleeve (2) is even
Connect at least two protection stomata (21) of circumference setting of column fixing seat (1) one end；It is fixed on column fixing seat (1) around column
Through-hole (11) are lost in seat (1) axis setting at least two, and the axis and column fixing seat (1) axis angle for losing through-hole (11) are in
Acute angle；The axis for each losing through-hole (11) intersects at same point A with column fixing seat (1) axis；
The big end of taper feeding head (3) is located above small end, and middle part is equipped with the bellmouth of perforation；
At least two conveying through-holes (31), conveying through-hole (31) are set around taper feeding head (3) axis on taper feeding head (3)
Axis and taper feeding head (3) axis angle it is at an acute angle；The axis of each conveying through-hole (31) with taper feeding head (3) axis
Line intersects at same point B；
Intersection point A and intersection points B are respectively positioned on except taper feeding head (3), and intersection points B is located above intersection point A；Conveying through-hole (31) with it is defeated
Light through-hole (11) corresponds, and the two axis is coplanar with three line of axis of column fixing seat (1).
2. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 1,
Be characterized in that: the distance between the intersection point A and intersection points B are 1cm~10cm.
3. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 2,
Be characterized in that: the through-hole (11) of losing is uniformly distributed around column fixing seat (1) axis；The conveying through-hole (31) is sent around taper
Prostitute (3) axis is uniformly distributed.
4. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 3,
Be characterized in that: protection stomata (21) is evenly distributed on the circumference of transition connector sleeve (2).
5. to a kind of 4 any multi beam metal powder streams and multiple laser, precisely matched high-rate laser is molten according to claim 1
Cover head, it is characterised in that: an inclined-plane (12) is arranged in corresponding each lose through-hole (11) in the upper surface of the column fixing seat (1)
Or groove.
6. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 5,
Be characterized in that: the cross section of the transition connector sleeve (2) linearly reduces from top to bottom.
7. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 6,
It is characterized in that: the column fixing seat (1) and transition connector sleeve (2) integrated molding or the transition connector sleeve (2) and taper
Feeding head (3) is integrally formed.
8. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 6,
Be characterized in that: the transition connector sleeve (2) and column fixing seat (1) are connected by flange (22).
9. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 8,
Be characterized in that: the upper end of the taper feeding head (3) is shaped hollow round table.
10. the accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser according to claim 9,
Be characterized in that: the taper feeding head (3) is connected through a screw thread with transition connector sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535012.9A CN109338359A (en) | 2018-12-14 | 2018-12-14 | The accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535012.9A CN109338359A (en) | 2018-12-14 | 2018-12-14 | The accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109338359A true CN109338359A (en) | 2019-02-15 |
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ID=65304193
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811535012.9A Pending CN109338359A (en) | 2018-12-14 | 2018-12-14 | The accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser |
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| Country | Link |
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| CN (1) | CN109338359A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359041A (en) * | 2019-08-08 | 2019-10-22 | 苏州中科中美激光科技有限公司 | A kind of multiple beam center powder feeding inner hole cladding head |
| WO2021001054A1 (en) | 2019-07-03 | 2021-01-07 | Directedmetal 3D Sl | Multi-mode laser device for metal manufacturing applications |
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| CN104694923A (en) * | 2015-03-30 | 2015-06-10 | 湖南大学 | Four-tube type coaxial powder feeding nozzle with adjustable convergence focal length |
| CN107723705A (en) * | 2017-11-23 | 2018-02-23 | 西安中科中美激光科技有限公司 | A kind of expansible multiple laser cladding head of center powder feeding and its application |
| US20180318929A1 (en) * | 2017-05-02 | 2018-11-08 | Additec Additive Technologies, LLC | Smart additive manufacturing device |
| CN209276639U (en) * | 2018-12-14 | 2019-08-20 | 西安中科中美激光科技有限公司 | The accurate matched high-rate laser cladding head of a kind of multi beam metal powder stream and multiple laser |
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2018
- 2018-12-14 CN CN201811535012.9A patent/CN109338359A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| CN101643900A (en) * | 2008-08-06 | 2010-02-10 | 沈阳新松机器人自动化股份有限公司 | Air curtain type three-dimensional coaxial laser feeding head |
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| US20180318929A1 (en) * | 2017-05-02 | 2018-11-08 | Additec Additive Technologies, LLC | Smart additive manufacturing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021001054A1 (en) | 2019-07-03 | 2021-01-07 | Directedmetal 3D Sl | Multi-mode laser device for metal manufacturing applications |
| US11219951B2 (en) | 2019-07-03 | 2022-01-11 | Directed Metal 3D, S.L. | Multi-mode laser device for metal manufacturing applications |
| EP4183513A1 (en) | 2019-07-03 | 2023-05-24 | Directedmetal 3D SL | Multi-mode laser device for metal manufacturing applications |
| CN110359041A (en) * | 2019-08-08 | 2019-10-22 | 苏州中科中美激光科技有限公司 | A kind of multiple beam center powder feeding inner hole cladding head |
| CN110359041B (en) * | 2019-08-08 | 2024-02-23 | 苏州中科中美激光科技有限公司 | Multi-beam center powder feeding inner hole cladding head |
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Effective date of registration: 20200509 Address after: 272000 Chengxiang Avenue and Jiamei Road Intersection of Jining Economic Development Zone, Shandong Province, Lunan New Energy Automobile Industrial Park Applicant after: Shandong Zhongke Meimei Laser Technology Co., Ltd Address before: 710119 No. 26 Development Avenue, Chang'an District, Xi'an City, Shaanxi Province Applicant before: XI'AN ZHONGKE ZHONGMEI LASER TECHNOLOGY Co.,Ltd. |
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