CN206335246U - One kind becomes spot laser cladding apparatus - Google Patents
One kind becomes spot laser cladding apparatus Download PDFInfo
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- CN206335246U CN206335246U CN201621436080.6U CN201621436080U CN206335246U CN 206335246 U CN206335246 U CN 206335246U CN 201621436080 U CN201621436080 U CN 201621436080U CN 206335246 U CN206335246 U CN 206335246U
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- Prior art keywords
- spot
- laser
- amyloid plaque
- self
- cladding apparatus
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Abstract
Become spot laser cladding apparatus, including adjustable change hot spot microscope group and can modulation amyloid plaque laser printhead the utility model discloses one kind；Its is adjustable, which to become hot spot microscope group, includes self-adapting reflection mirror and focus lamp；Wherein self-adapting reflection mirror can continuously change surface curvature to change output facula size, can the modulation amyloid plaque laser printhead spot size that is then used to coordinate self-adapting reflection mirror to export powder conveying is carried out with the output channel of different radii, so as to realize adjustable spot coating；This change spot laser cladding apparatus that the utility model is provided is simple in construction, and easy to operate, hot spot excursion is big, degree of regulation is high, and response is fast, can export different size of amyloid plaque, light powder coupling efficiency is high, effectively reduces powder and wastes, available for the processing of a variety of laser melting coatings.
Description
Technical field
The utility model belongs to laser melting and coating process and equipment technical field, and becoming spot laser more particularly, to one kind melts
Coating device.
Background technology
Laser fusing-covering forming technique combines the advantage of laser melting and coating technique and rapid shaping technique, by laser beam focus light
Spot is radiated at workpiece surface, and cladding material is delivered in hot spot in amyloid plaque form, to realize cladding process.Add in this dynamic
During work, it is to reduce the key of processing cost with accurate couple of Laser Focusing hot spot to realize cladding material amyloid plaque, and in good time
It is the important means for improving cladding efficiency to change Laser Focusing spot size.
Existing light spot laser cladding forming system does not change spot size in cladding process, uses region multiple tracks
Accumulation molding scheme is overlapped, this method has overlap joint defect in Rong Dao lap-joints, mainly included：Overlapping rate is unreasonable to be influenceed into
Type surface accuracy, cladding layer inhomogeneous cooling be even to cause cladding layer cracking, planning parameters of scanning paths is unreasonable causes inefficiency, inside
Thermal stress distribution inequality directly affects the microstructure and mechanical property of cladding layer.
The grade hot spot cladding mode for the above that compares, in recent years, occurs in that a kind of change hot spot laser cladding forming both at home and abroad
System, realizes change spot, it is necessary to which motor control eyeglass is moved, hot spot excursion is smaller, behaviour using mobile collimating mirror zoom mode
Make difficulty big, degree of regulation is low, and the response time is long, can not be realized for the disposal molding of complicated irregular not uniform thickness wall member
High-quality, high-precision laser melting coating；Other this method is collimated using lens type, it has not been convenient to load water-cooling system, and laser
A plane can not be fixed on by becoming spot scope, be unfavorable for the coupling of light powder.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of spot laser melting coating that becomes and filled
Put, becoming spot mode its object is to solving existing mobile collimating mirror needs that additional motor control, hot spot excursion are small to ask
Topic.
To achieve the above object, spot laser cladding apparatus, bag are become there is provided one kind according to one side of the present utility model
Include adjustable change hot spot microscope group and can modulation amyloid plaque laser printhead；
Wherein, adjustable change hot spot microscope group includes self-adapting reflection mirror and focus lamp, the surface curvature of its self-adapting reflection mirror
Radius can consecutive variations；During being converged to incoming parallel beam, by the consecutive variations of this radius of curvature to change
Become the spot size of output, realize adjustable change hot spot；
The adjustable hot spot plane for becoming the output of hot spot microscope group with can the amyloid plaque plane of modulation amyloid plaque laser printhead output fix
In working face that can be below modulation amyloid plaque laser printhead, and powder only enters hot spot and spot coupling on working face.
It is preferred that, above-mentioned change spot laser cladding apparatus, its self-adapting reflection mirror has pneumatic type adjustability, by changing
Become atmospheric pressure value, make self-adapting reflection mirror surface curvature radius consecutive variations.
It is preferred that, above-mentioned change spot laser cladding apparatus, self-adapting reflection mirror is water-cooled self-adapting reflection mirror, including the first water
Device for cooling, the second water cooling plant, mirror surface and air chamber；First water cooling plant and the second water cooling plant are scattered located at air chamber
The both sides of cavity, mirror surface is covered on air chamber；Change the anti-of mirror surface by controlling in air chamber air pressure change
The focal length in face is penetrated, so as to be converged to incoming parallel beam, to change final output spot size.
It is preferred that, above-mentioned change spot laser cladding apparatus, its can modulation amyloid plaque laser printhead be coaxial-type become amyloid plaque light send outside
Powder shower nozzle.
It is preferred that, above-mentioned change spot laser cladding apparatus, coaxial-type becomes the outer powder-supplying spray head of amyloid plaque light and sent by multiple annular concentrics
Powder nozzle is constituted, or is made up of the powder feeding jet pipe of multiple annular spreads, can be selected different circuits to enter according to spot size
Row combination；Powder-supplying spray head use above-mentioned a variety of different powder feeding pipes combinations realize can modulation amyloid plaque to strengthen the coupling of light powder
Effect.
It is preferred that, above-mentioned change spot laser cladding apparatus, focus lamp is water-cooled reflective off-axis parabolic.
It is preferred that, above-mentioned change spot laser cladding apparatus, also including collimating mirror, collimating mirror be arranged on self-adapting reflection mirror it
Before, the laser beam for being exported to external laser is re-fed into self-adapting reflection mirror after carrying out collimation processing.
In general, by the contemplated above technical scheme of the utility model compared with prior art, it can obtain down
Row beneficial effect：
(1) this change spot laser cladding apparatus that the utility model is provided, can carry out spot coating, solve complexity and do not advise
The technical barrier of disposal molding during then uniform thickness wall member laser gain material is not manufactured, improves laser gain material manufacture component quality and essence
Degree；
(2) this change spot laser cladding apparatus that the utility model is provided, becomes spot mode using self adaptation mirror zoom, compares
Mobile collimating mirror zoom becomes spot method, and hot spot excursion is bigger, and degree of regulation is higher, and response is fast；Solve existing mobile accurate
The problem of directly the hot spot excursion of mirror change spot mode is small, operation difficulty is big, degree of regulation is low, the response time is long；
(3) this change spot laser cladding apparatus that the utility model is provided, realizes that zoom becomes spot using speculum, is more convenient
Water cooling is carried out to mirror body, reduced because the eyeglass that high temperature is caused damages risk；
(4) this change spot laser cladding apparatus that the utility model is provided, will become spot scope is fixed on working face one
In individual plane, be conducive to amyloid plaque and coupling of the hot spot on working face；
(5) this change spot laser cladding apparatus that the utility model is provided, it is not necessary to which motor control eyeglass is moved, saves and adds
Work cost, reduces operation difficulty, and control more facilitates, and solving existing mobile collimating mirror change spot mode needs additional motor control
Processed the problem of；
(6) this change spot laser cladding apparatus that the utility model is provided, for the powder wasting phenomenon in process,
Amyloid plaque powder-supplying spray head is become using one kind, different output facula radiuses can be coordinated to select different size of amyloid plaque conveying, further
Light powder coupling efficiency is improved, class effectively reduces powder waste.
Brief description of the drawings
Fig. 1 is the schematic diagram that the utility model becomes spot laser cladding apparatus embodiment 1；
Fig. 2 is the self-adapting reflection mirror structural representation of embodiment 1；
Fig. 3 is the structural representation of the focus lamp of embodiment 1；
Fig. 4 be embodiment 1 can modulation amyloid plaque laser printhead schematic diagram；
Fig. 5 be embodiment 1 can modulation amyloid plaque laser printhead powder feeding jet pipe combination pattern；
Fig. 6 is that the utility model becomes the schematic diagram of spot laser cladding apparatus embodiment 2；
Fig. 7 be embodiment 2 can modulation amyloid plaque laser printhead schematic diagram；
Fig. 8 be embodiment 2 can modulation amyloid plaque laser printhead output amyloid plaque combination diagram；
Fig. 9 is the schematic diagram that the utility model becomes spot laser cladding apparatus embodiment 3；
Figure 10 is the structural representation that the utility model becomes collimating mirror 5 in spot laser cladding apparatus；
Figure 11 is the schematic diagram that the utility model becomes spot laser cladding apparatus embodiment 4；
In all of the figs, identical reference is used for representing identical element or structure, wherein：
1- self-adapting reflection mirrors, 2- focus lamps, 3- embodiments 1 can modulation amyloid plaque laser printhead, 4- embodiments 2 it is adjustable
Become amyloid plaque laser printhead, 5- collimating mirrors, the water cooling plants of 11- first, 12- mirror surfaces, 13- air chambers, the water-cooleds of 14- second dress
Put, 21- reflector bodies, the water cooling plants of 22- the 3rd, 31- the first powder feeding jet pipes group, 32- the second powder feeding jet pipes group, 33- the 3rd are sent
Powder jet pipe group, 34- first control devices, 35- beam channels, 36- second control devices, the combination of the jet pipes of 3a- first, 3b- second
Jet pipe combination, the combination of the jet pipes of 3c- the 3rd, the first powder feedings of 41- passage, the second powder feedings of 42- passage, the powder feeding passages of 43- the 3rd, 45,
44th, 46,4a- light beam output faculas position, the first powder feedings of 4b- circuit, the second powder feedings of 4c- circuit, the powder feeding circuits of 4d- the 3rd, 51-
Reflector body, the water cooling plants of 52- the 4th.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not constitute conflict and can be just mutually combined each other.
Use self adaptation mirror zoom mode of the present utility model realizes spot size continuously adjustabe, mobile accurate compared to existing
Straight mirror becomes spot method, more facilitates with operation, degree of regulation is higher, advantage high in machining efficiency；And using can modulation amyloid plaque swash
Light shower nozzle reduces powder further to improve light powder coupling efficiency, effectively and wasted.Further have with accompanying drawing with reference to embodiments
Body illustrates the utility model.
The structure for the change spot laser cladding apparatus that embodiment 1 is provided as schematically shown in Figure 1, including adjustable change hot spot microscope group and
Can modulation amyloid plaque laser printhead；Wherein, adjustable change hot spot microscope group includes self-adapting reflection mirror 1 and focus lamp 2；Incoming parallel beam
Retrodeviated and turn 90 degrees by self-adapting reflection mirror 1, then focused on via focus lamp 2, after turning 90 degrees partially again, output size meets default
It is required that and can the hot spot of continuous transformation be radiated on the working face of workpiece.
In embodiment 1, the structure of self-adapting reflection mirror 1 including the first water cooling plant 11, the second water-cooled as shown in Fig. 2 fill
Put 14, mirror surface 12 and air chamber 13；First water cooling plant 11 and the second water cooling plant 14 are respectively arranged on the chamber of air chamber 13
On body, mirror surface 12 is covered on air chamber 13；Change the anti-of mirror surface 12 by controlling air pressure change in air chamber 13
The focal length in face is penetrated, so as to be converged to incoming parallel beam, to change final output spot size.
Focus lamp 2 is placed on the outgoing beam direction of self adaptation mirror 1 for reflective off-axis parabolic, for light beam to be gathered
Jiao, and by can modulation amyloid plaque laser printhead 3 export；Its structure is as shown in figure 3, include reflector body 21, the 3rd water cooling plant
22, the 3rd water cooling plant 22 is in reflector body 21；3rd water cooling plant 22 is used to cool down the heat produced by light beam is focused on.
Can modulation amyloid plaque laser printhead 3 be coaxial powder-feeding shower nozzle, its sectional view is as shown in figure 4, including first control device
34th, second control device 36 and the powder feeding jet pipe group of three groups of coaxial annular distributions：First powder feeding jet pipe group 31, the second powder feeding jet pipe
The 32, the 3rd powder feeding jet pipe group 33 of group；The upper end of three groups of powder feeding jet pipe groups respectively with first control device 34 and second control device
36 are connected；In figure 35 marks for beam channel, send beam channel to enter by first control device 34, the control of second control device 36
The switch of mouth, selects different powder feeding jet pipe groups to be matched according to spot size.
Can modulation amyloid plaque laser printhead 3 powder feeding jet pipe combination pattern as shown in figure 5,3a, 3b, 3c represent three groups of different sprays
Pipe is combined, and wherein 3a, 3b are made up of 4 shower nozzles, and 3c is made up of 8 shower nozzles；All shower nozzle delivery outlets at grade, often
Group shower nozzle is all distributed in using output facula center as the center of circle, on the different circle of radius, and shower nozzle is equidistant each other in group；According to distribution
Radius is different, and every group of shower nozzle output amyloid plaque size is also different, according to 3a, 3b, 3c is followed successively by from small to large, for matched size not
Same output facula, it is cost-effective to improve light powder coupling efficiency.
The structure for the change spot laser cladding apparatus that embodiment 2 is provided including adjustable as shown in fig. 6, become hot spot microscope group and adjustable
Become amyloid plaque laser printhead；Its is adjustable, and change hot spot microscope group includes self-adapting reflection mirror 1 and focus lamp 2；It can the spray of modulation amyloid plaque laser
First 4 structure is different from embodiment 1, specifically as schematically shown in Figure 7, and powder feeding part includes three concentric annular conical surface powder feeding passages：
In first powder feeding passage 41, the second powder feeding passage 42, the 3rd powder feeding passage 43, figure 45 marks for beam channel, by the first control
Device 44 processed, second control device 46 control the switch of beam channel import, according to spot size, select the powder feeding of different radii
Circuit is matched.
Can modulation amyloid plaque laser printhead powder feeding circuit combination output amyloid plaque combine as shown in figure 8, wherein, 4a represents light
Beam output facula position, 4b, 4c, 4d represent three layers of different powder feeding circuit of radius；All circuit output ports are same flat
On face, constitute using output facula center as the center of circle, three groups of different annulus of radius；It is different according to annular radii, it is defeated per Tiao Fen roads
Go out amyloid plaque size also different, according to being followed successively by 4b, 4c, 4d from small to large, the output facula different for matched size, to improve
Light powder coupling efficiency, it is cost-effective.
The structure for the change spot laser cladding apparatus that embodiment 3 is provided is as shown in figure 9, including adjustable change hot spot microscope group and powder feeding
Laser printhead；What the present embodiment was provided becomes the diffused light beam that spot laser cladding apparatus is directed to optical fiber laser output, by preceding
A collimating mirror is put to obtain collimated light beam；Its is adjustable, and change hot spot microscope group includes collimating mirror 5, self-adapting reflection mirror 1 and focus lamp
2；Collimating mirror 5 is placed on laser emitting direction, and output beam is collimated and turn 90 degrees partially, self-adapting reflection mirror 1 is pointed into；This reality
Apply in example, the collimating mirror 5 used is reflective off-axis parabolic, and structure as shown in Figure 10, includes reflector body 51, the 4th water
Device for cooling 52；The present embodiment use can modulation amyloid plaque laser printhead and embodiment 2 use can modulation amyloid plaque laser printhead phase
Together.
The structure for the change spot laser cladding apparatus that embodiment 4 is provided as shown in figure 11, including hot spot microscope group and send by adjustable change
Powder laser printhead；Its is adjustable, and change hot spot microscope group includes collimating mirror 5, self-adapting reflection mirror 1 and focus lamp 2；What the present embodiment was used
Can modulation amyloid plaque laser printhead and embodiment 1 use can modulation amyloid plaque laser printhead it is identical.
As it will be easily appreciated by one skilled in the art that the foregoing is only preferred embodiment of the present utility model, not
To limit the utility model, all any modifications made within spirit of the present utility model and principle, equivalent and change
Enter, should be included within protection domain of the present utility model.
Claims (7)
1. one kind becomes spot laser cladding apparatus, it is characterised in that including adjustable change hot spot microscope group and can modulation amyloid plaque laser printhead；
The adjustable hot spot plane for becoming the output of hot spot microscope group with can the amyloid plaque plane of modulation amyloid plaque laser printhead output fix
In working face that can be below modulation amyloid plaque laser printhead, and powder only enters hot spot and spot coupling on working face；
The adjustable change hot spot microscope group includes self-adapting reflection mirror and focus lamp, and the focus lamp goes out located at self-adapting reflection mirror
Penetrate on light direction；The surface curvature radius of the self-adapting reflection mirror can consecutive variations.
2. become spot laser cladding apparatus as claimed in claim 1, it is characterised in that the self-adapting reflection mirror has pneumatic type
Adjustability, including air chamber and the mirror surface being covered on air chamber；Made by the atmospheric pressure value for changing the air chamber
The self-adapting reflection mirror surface curvature radius consecutive variations.
3. become spot laser cladding apparatus as claimed in claim 2, it is characterised in that the self-adapting reflection mirror is that water-cooled is adaptive
Answer speculum, including the first water cooling plant, the second water cooling plant, mirror surface and air chamber；First water cooling plant and
Two water cooling plants are respectively arranged on the both sides of air chamber cavity, and the mirror surface is covered on air chamber；By controlling the sky
Air pressure change changes the focal length of the reflecting surface of mirror surface in air cavity, so as to be converged to incoming parallel beam, to change
Final output spot size.
4. as claimed in claim 1 or 2 become spot laser cladding apparatus, it is characterised in that it is described can modulation amyloid plaque laser printhead
Become powder-supplying spray head outside amyloid plaque light for coaxial-type.
5. become spot laser cladding apparatus as claimed in claim 4, it is characterised in that the coaxial-type becomes the outer powder feeding spray of amyloid plaque light
Head is made up of multiple annular concentric powder-feeding nozzles, or is made up of the powder feeding jet pipe of multiple annular spreads；It is required according to application
Spot size is combined to select different circuits.
6. become spot laser cladding apparatus as claimed in claim 1 or 2, it is characterised in that the focus lamp is that water-cooled is reflective
Off-axis paraboloidal mirror.
7. become spot laser cladding apparatus as claimed in claim 1, it is characterised in that also including collimating mirror, collimating mirror is arranged on
Before self-adapting reflection mirror, the laser beam for being exported to external laser carries out being re-fed into self adaptation reflection after collimation processing
Mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436080.6U CN206335246U (en) | 2016-12-26 | 2016-12-26 | One kind becomes spot laser cladding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621436080.6U CN206335246U (en) | 2016-12-26 | 2016-12-26 | One kind becomes spot laser cladding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206335246U true CN206335246U (en) | 2017-07-18 |
Family
ID=59302385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621436080.6U Withdrawn - After Issue CN206335246U (en) | 2016-12-26 | 2016-12-26 | One kind becomes spot laser cladding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206335246U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513987A (en) * | 2016-12-26 | 2017-03-22 | 华中科技大学 | Variable spot laser cladding device |
| CN109759723A (en) * | 2019-03-05 | 2019-05-17 | 奔腾激光(温州)有限公司 | A kind of laser cutting head |
| CN114460741A (en) * | 2022-01-21 | 2022-05-10 | 华中科技大学 | Annular facula optical system of free-form surface mirror |
-
2016
- 2016-12-26 CN CN201621436080.6U patent/CN206335246U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513987A (en) * | 2016-12-26 | 2017-03-22 | 华中科技大学 | Variable spot laser cladding device |
| CN106513987B (en) * | 2016-12-26 | 2018-08-17 | 华中科技大学 | A kind of change spot laser cladding apparatus |
| CN109759723A (en) * | 2019-03-05 | 2019-05-17 | 奔腾激光(温州)有限公司 | A kind of laser cutting head |
| CN114460741A (en) * | 2022-01-21 | 2022-05-10 | 华中科技大学 | Annular facula optical system of free-form surface mirror |
| CN114460741B (en) * | 2022-01-21 | 2023-03-31 | 华中科技大学 | Annular facula optical system of free-form surface mirror |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170718 Effective date of abandoning: 20180817 |
|
| AV01 | Patent right actively abandoned |