CN206869307U - Multi-angle can preheat reversal-flame type laser melting coating head - Google Patents
Multi-angle can preheat reversal-flame type laser melting coating head Download PDFInfo
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- CN206869307U CN206869307U CN201720388183.8U CN201720388183U CN206869307U CN 206869307 U CN206869307 U CN 206869307U CN 201720388183 U CN201720388183 U CN 201720388183U CN 206869307 U CN206869307 U CN 206869307U
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- melting coating
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Abstract
The utility model discloses a kind of multi-angle can preheat reversal-flame type laser melting coating head, including：Beam splitting mechanism, beam splitting zoom mechanism, laser scanning follower and laser melting coating mechanism.The beam splitting mechanism includes：Beam splitting cavity, spectroscope, spectroscope glass support plate, gusseted block, curved mirror and rotation pivot flange；Beam splitting cavity top in the beam splitting mechanism is provided with rotation pivot flange, and six circular holes for being used to install curved mirror are provided with the lower anchor ring of the rotation pivot flange；The beam splitting cavity includes the tapered portion on top and the cylindrical part of bottom；The outer wall inclined plane circumferencial direction of the beam splitting cavity tapered portion is evenly equipped with six circle convex platforms；Multi-angle described in the utility model can preheat reversal-flame type laser melting coating head, it can be arranged on industrial robot A6 axles, or on the main shaft of the Digit Control Machine Tool of transformation, multi-faceted base material can be preheated, cladding layer is tempered, thermograde is considerably reduced, effectively reduces the influence of the residual stress, crack-sensitivity, tissue odds caused by single laser beam soon hot rapid cooling.
Description
Technical field
The utility model is related to base material is preheated before a kind of laser melting coating, swashing of being tempered after cladding to cladding layer
Light cladding head.
Background technology
At present, laser melting coating is a kind of advanced process for modifying surface, by adding cladding material in substrate surface, is utilized
The method that the laser beam of high-energy-density is allowed to the consolidation together with base material thin layer, it is the molten of metallurgical binding to be formed in substrate surface with it
Coating.The part of labyrinth can either be produced, and can is repaired to damaged part, has been widely used in manufacturing
Each field.
Laser beam directly irradiation makes its fusing in material surface, then makes its quick cooled and solidified by heat transfer, so as to
Formed in material surface and mutually melted with matrix.The characteristics of quick heating and quick cooling, causes excessive thermograde, easily causes
Larger residual stress in cladding layer be present, there is higher cracking sensitivity.In addition, structural homogenity is also poor, and exist
A number of stomata.This is one of the reason for laser melting coating is restricted in commercial Application.
The content of the invention
According to technical problem set forth above, and reversal-flame type laser melting coating head can be preheated by providing a kind of multi-angle, Neng Gouan
On industrial robot A6 axles, or on the main shaft of transformation Digit Control Machine Tool, for manufacturing or repairing machine components, it is used for
Solves existing laser melting coating, quick heating and quick the characteristics of cooling down cause excessive thermograde, easily cause cladding layer
It is middle larger residual stress to be present, there is higher cracking sensitivity, and structural homogenity is also poor, and certain amount be present
Stomata the shortcomings that.The technological means that the utility model uses is as follows：
A kind of multi-angle can preheat reversal-flame type laser melting coating head, including：Beam splitting mechanism, beam splitting zoom mechanism, laser scanning
Follower and laser melting coating mechanism.
The beam splitting mechanism includes：Beam splitting cavity, spectroscope, spectroscope glass support plate, gusseted block, curved mirror and
Rotate pivot flange；Beam splitting cavity top in the beam splitting mechanism is provided with rotation pivot flange, the rotation pivot flange
Lower anchor ring on be provided with six and be used to the circular holes of curved mirror are installed；The beam splitting cavity includes tapered portion and the bottom on top
Cylindrical part；The outer wall inclined plane circumferencial direction of the beam splitting cavity tapered portion is evenly equipped with six circle convex platforms；Described light splitting
Looking glass supporting plate is arranged at the top of beam splitting cavity cylindrical part；The spectroscope glass support plate upper surface passes through gusseted
Block is provided with spectroscope.
The laser scanning follower includes：Gear wheel, little gear, stepper motor, rotation pivot flange, light beam connection
Sleeve, taper roll bearing, bearings plate and electric machine support；On light beam branch sleeve in the laser scanning follower
Portion is provided with stepper motor by electric machine support, and rotation pivot flange upper end outer wall is provided with gear wheel, the gear wheel
It is connected by little gear with stepper motor；The light beam branch sleeve bottom outer wall with rotation pivot flange bearing hole it
Between be provided with taper roll bearing, the light beam branch sleeve bottom is provided with the bearing for carrying spacing taper roll bearing
Supporting plate.
Described beam splitting zoom mechanism is arranged at the circle convex platform end of beam splitting cavity；Described laser melting coating mechanism is set
In the beam splitting cavity cylindrical part bottom；When driving stepper motor rotation pivot flange, and the rotation of beam splitting cavity, can adjust
Spectroscopical light splitting angle, and then adjust the angle that beam splitting zoom mechanism is refracted into by curved mirror.
Include as the preferred beam splitting zoom mechanism：Beam splitting concavees lens, camera lens connection ring, lens focusing ring, beam splitter
Head and beam splitting convex lens；Beam splitting concavees lens in the beam splitting zoom mechanism are arranged at the circle convex platform endoporus of beam splitting cavity, institute
State beam splitting cavity circle convex platform end and lens focusing ring is provided with by camera lens connection ring, the lens focusing ring connects with camera lens
Ring is threadedly coupled；The lens focusing ring end is provided with beam splitting camera lens, and the beam splitting camera lens endoporus is provided with beam splitting convex lens.
Include as the preferred laser melting coating mechanism：Melting-painting nozzle, cooling water connector, water inlet, delivery port, powder
Guide sleeve, taper laser set, terminal pad, baffle vane, protection gas are passed through mouth and powder inlet ports；The laser melting coating mechanism melts
Painting nozzle is connected with the bottom of beam splitting cavity cylindrical part.
Distance d as the center of circle to the center of circle for rotating pivot flange of preferably six curved mirrors is differed.
Circle convex platform as preferred beam splitting cavity tapered portion is uniformly distributed in radial cross-section, and forms one group two-by-two,
Longitudinal section circle convex platform axis and horizontal direction angle, θ2It is different.
As the preferred gusseted block angle, θ1It is different.
Compared with prior art, multi-angle described in the utility model can preheat reversal-flame type laser melting coating head, have with
Lower advantage：
1st, multi-angle described in the utility model can preheat reversal-flame type laser melting coating head, be supported when driving stepper motor rotates
Flange, and beam splitting cavity rotate, and can adjust spectroscopical light splitting angle, and then adjust and be refracted into beam splitting change by curved mirror
The angle of focusing mechanism, make to inject beam splitting zoom mechanism by spectroscope, curved mirror, the collimated light beam in beam splitting cavity largely passes through
Main beam convex lens are used for laser melting coating, and remainder is injected beam splitting zoom mechanism, and melted in laser by spectroscope, curved mirror
The direction of advance for covering head is preheated, and direction of retreat is tempered, and is effectively reduced residual caused by single laser beam soon hot rapid cooling
The influence of residue stress, crack-sensitivity, tissue odds；Multi-faceted base material can be preheated, cladding layer is tempered, significantly
Ground reduces thermograde.
2nd, multi-angle described in the utility model can preheat reversal-flame type laser melting coating head, spectroscope, curved mirror and beam splitting
Zoom mechanism is provided with six, is divided into three pairs, is provided with three pairs of preheatings, tempering laser head supplies under different technical parameters to select
Select, while lens focusing ring can also be adjusted to change laser facula size, easy to adjust, feasibility is high.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model beam splitting laser head arrangement front view.
Fig. 3 is the utility model beam splitting laser head arrangement top view.
Fig. 4 is the utility model laser beam splitter index path.
Fig. 5 is the utility model θ1、θ2, d, D relation schematic diagram.
Fig. 6 is the utility model laser scanning follower schematic diagram.
Fig. 7 is the utility model track flow chart.
Fig. 8 is using renderings of the present utility model.
Wherein：1st, light beam branch sleeve, 2, gear wheel, 3, taper roll bearing, 4, rotation pivot flange, 5, beam splitting chamber
Body, 6, beam splitting concavees lens, 7, camera lens connection ring, 8, lens focusing ring, 9, beam splitting convex lens, 10, beam splitting camera lens, 11, cladding spray
Mouth, 12, cooling water connector, 12-1, water inlet, 12-2, delivery port, 13, powder guide sleeve, 14, taper laser set, 15, even
Connect disk, 16, baffle vane, 17, main beam convex lens, 18, spectroscope supporting glass plate, 19, gusseted block, 20, spectroscope,
21st, bearings plate, 22, curved mirror, 23, little gear, 24, stepper motor, 25, electric machine support, 26, protection gas be passed through mouth, 27,
Powder inlet ports；
A, main beam cladding head, b, preheating laser head, c, tempering laser head, d, light beam joint, e, main beam, f, preheating light
Beam, g, tempering light beam.
Embodiment
As shown in Fig. 1 to Fig. 8, a kind of multi-angle can preheat reversal-flame type laser melting coating head, including：Beam splitting mechanism, beam splitting become
Focusing mechanism, laser scanning follower and laser melting coating mechanism.
The beam splitting mechanism includes：Beam splitting cavity 5, spectroscope 20, spectroscope glass support plate 18, gusseted block 19,
Curved mirror 22 and rotation pivot flange 4；The top of beam splitting cavity 5 in the beam splitting mechanism is provided with rotation pivot flange 4, described
Beam splitting cavity 5 fixed with rotation pivot flange 4 with mode connects for screw, and connection angle is unique, rotates 4 times anchor rings of pivot flange
The circle convex platform of circular hole and the tapered portion of beam splitting cavity 5 correspond, i.e. d and θ2Correspond, the rotation pivot flange 4
Six circular holes for being used to install curved mirror 22 are provided with lower anchor ring；On lower anchor ring averagely be provided with 6 diameters it is identical, away from rotation
Turn the different circular holes of pivot flange circle center distance d, to be embedded in curved mirror 22.Rotate 6 on the lower surface of pivot flange 4
Circular hole is interference fitted with curved mirror 22.
The beam splitting cavity 5 includes the tapered portion on top and the cylindrical part of bottom；The outer wall of the tapered portion of beam splitting cavity 5
Inclined plane circumferencial direction is evenly equipped with six circle convex platforms；Described spectroscope glass support plate 18 is arranged at the tubular of beam splitting cavity 5
The top in portion；Described spectroscope supporting glass plate 18 is with beam splitting cavity 5 using key positioning, interference fit.
The upper surface of spectroscope glass support plate 18 is provided with spectroscope 20 by gusseted block 19；The spectroscope
It is bonded between supporting plate 18, gusseted block 19, the three of spectroscope 20 by glue special by certain position.
The laser scanning follower includes：Gear wheel 2, little gear 23, stepper motor 24, rotation pivot flange 4, light
Beam branch sleeve 1, taper roll bearing 3, bearings plate 21 and electric machine support 25；Described light beam branch sleeve 1 and laser
The input adapter screw of system is connected, and the top of light beam branch sleeve 1 in the laser scanning follower passes through motor branch
Frame 25 is provided with stepper motor 24, the described square top and round bottom of light beam branch sleeve 1, described electric machine support 25 and light beam adapter sleeve
Mode connects for screw is used in the plane of cylinder 1 upper end one；Described electric machine support 25 is connected by screw bolts with stepper motor 24；The rotation branch
Staying 4 upper end outer walls of orchid are provided with gear wheel 2, and the gear wheel 2 is connected by little gear 23 with stepper motor 24.
Described little gear 23 transmits torque, the described end face of little gear 23 and stepping electricity with stepper motor 24 by key
The shaft shoulder of machine 24 is contacted, and other end is axially tightened with nut；Described little gear 23 passes through gear drive with gear wheel 2；It is described
Gear wheel 2 be interference fitted with rotation pivot flange 4 periphery, realized and be driven by key connection, the end face of gear wheel 2 and rotation
The shaft shoulder of pivot flange 4 contacts；The bottom outer wall of light beam branch sleeve 1 is provided between the bearing hole with rotation pivot flange 4
Taper roll bearing 3, the bottom of light beam branch sleeve 1 are provided with the bearings for carrying spacing taper roll bearing 3
Plate 21.
The lower bearing aperture of described rotation pivot flange 4 has the outer ring of taper roll bearing 3 interference fit, rotates pivot flange
4 bearing hole end surface contacts with the cycle surface of taper roll bearing 3；The described endoporus of taper roll bearing 3 and light beam adapter sleeve
1 time external cylindrical surface interference fit of cylinder；Gravity is leaned in the described inner ring lower surface of taper roll bearing 3 with the upper surface of bearings plate 21
It is in close contact；Described bearings plate 21 uses mode connects for screw with 1 time anchor ring of light beam branch sleeve.
The beam splitting laser head that described beam splitting zoom mechanism is installed as beam splitting cavity 5, it is as shown in Figures 2 and 3, described
Beam splitting zoom mechanism is arranged at the circle convex platform end of beam splitting cavity 5；The beam splitting zoom mechanism includes：Beam splitting concavees lens 6, mirror
Head connection ring 7, lens focusing ring 8, beam splitting camera lens 10 and beam splitting convex lens 9；The beam splitting zoom mechanism is used for each shunt excitation light
Shu Jinhang focuses, and changes focus spot size.
The laser scanning follower by stepper motor 24 drive real-time tracking, realize three focuses (preheating laser beam,
Main beam, tempering laser beam) where plane overlapped with scanning direction, ensure effectively reduce thermograde in a scanning direction, such as
Shown in Fig. 6.
Beam splitting concavees lens 6 in the beam splitting zoom mechanism are arranged at the circle convex platform endoporus of beam splitting cavity 5, described point
Each circle convex platform endoporus of beam concavees lens 6 and beam splitting cavity 5 is interference fitted；The circle convex platform end of beam splitting cavity 5 passes through mirror
Head connection ring 7 is provided with lens focusing ring 8, and described camera lens connection ring 7 and each circle convex platform endoporus of beam splitting cavity 5 use spiral shell
Line closely connects.
The lens focusing ring 8 is threadedly coupled with camera lens connection ring 7；Lens focusing ring 8 uses with the endoporus of camera lens connection ring 7
Threaded connection, reach is longer, can be adjusted；Rotating lens focusing ring 8 can change beam splitting in beam splitting zoom mechanism
The distance between convex lens 9 and beam splitting concavees lens 6, reach the purpose for the size for changing focus spot, so as to change preheating, tempering
The influence area of light beam and energy density.
The end of lens focusing ring 8 is provided with beam splitting camera lens 10, described beam splitting camera lens 10 and the endoporus of lens focusing ring 8
Closely connected using screw thread；The endoporus of beam splitting camera lens 10 is provided with beam splitting convex lens 9, described beam splitting convex lens 9 and beam splitting
The endoporus of camera lens 10 is using interference fit.
The beam splitting zoom mechanism is changed between beam splitting convex lens 9 and beam splitting concavees lens 6 by rotating lens focusing ring 8
Distance, each shunt excitation light beam is focused, changes spot diameter size of the light beam on base material and cladding layer, it is pre- so as to change
The influence area and energy density of heat and tempering light beam.
Described laser melting coating mechanism is arranged at the cylindrical part bottom of beam splitting cavity 5；The laser melting coating mechanism includes：
Melting-painting nozzle 11, cooling water connector 12, water inlet 12-1, delivery port 12-2, powder guide sleeve 13, taper laser cover 14, connected
Connect disk 15, baffle vane 16, protection gas and be passed through mouth 26 and powder inlet ports 27；Same point of the melting-painting nozzle 11 of the laser melting coating mechanism
The bottom of the cylindrical part of beam cavity 5 is connected, and the described lower end of beam splitting cavity 5 is connected with melting-painting nozzle 11 using screw.
When stepper motor 24 rotates according to scanning Track fusion rotation pivot flange 4, beam splitting cavity 5, adjustment is spectroscopical
Angle is divided, and then adjusts the angle that beam splitting zoom mechanism is refracted into by curved mirror, it is ensured that preheating, tempering angle on scanning track
The uniformity of degree.
The distance d in the center of circle of six curved mirrors 22 to the center of circle for rotating pivot flange 4 is identical.Six beam splitting chambers
The circle convex platform of the tapered portion of body 5 is uniformly distributed in radial cross-section, and forms one group two-by-two, longitudinal section circle convex platform axis and water
Square to angle, θ2It is different, to be connected with beam splitting zoom mechanism, form 3 pairs of preheatings, tempering beam splitting camera lens.Described three
The angle, θ of corner supporting block 191It is different.
The tiltangleθ of gusseted block 191, the longitudinal section circle convex platform axis of beam splitting cavity 5 and horizontal direction angle, θ2, rotation
The center of circle d three of 4 lower surface circular distance curved mirror of pivot flange 22 corresponds, and ultimately forming different D, (D is preheating and returns
Fiery laser beam foucing and primary-beam focus distance in the horizontal plane) so as to influenceing to preheat and be tempered between the time between cladding
Every, therefore set three pairs to be selected for user according to different technical parameters, one group, two groups or three groups can be arranged into, such as Fig. 5
Show.
Cladding track program is generated by robot (lathe) programming software according to target trajectory, is loaded into robot (lathe) control
System processed, and instruction is produced to each axle servomotor, so as to realize cladding.Meanwhile generated and tracked by algorithm according to target trajectory
Track program, step motor control system is loaded into, and produces pulse signal to stepper motor 24, it is real so as to realize scan tracing
Preheating on track, the uniformity of tempering angle are now scanned, track flow chart is as shown in Figure 7.
During work, as shown in Figures 2 and 3, light splitting cavity 5 is applied in combination with 6 beam splitting camera lenses 10, and beam splitting mechanism is to parallel
Light beam is divided into the side beam of a master two, and laser beam joint d collimated light beam is most vertically to pass through spectroscope glass support plate 18, then
Focused on through main beam convex lens 17 and form main beam cladding powder, a small number of directional lights inject spectroscope 20 and form two through curved mirror 22
Side beam, two side beams include the preheating light beam f of pre- hot substrate light beam and the tempering light beam g to cladding layer temper, secondary light
Beam is provided with 3 pairs of preheatings and tempering laser beam, can realize 3 pairs of composition, or selection uses a pair, two pairs or three as needed
It is right.
Main beam e projects from main beam cladding head a, and preheating light beam f projects from preheating laser head b, is tempered light beam from tempering
Laser head c is projected.
Multi-angle described in the utility model can preheat reversal-flame type laser melting coating head, and beam splitting cavity is embedded with 6 small light splitting
Mirror, different angle beam splitting is carried out to the sub-fraction in collimated light beam, beam splitting mechanism upper end is connected to by taper roll bearing
Laser scanning follower, laser scanning follower can be in real-time tracking scanning directions under driving stepper motor.Beam splitting chamber
6 circle convex platforms of body are connected to 6 beam splitting zoom mechanisms, can be convex by rotating focusing ring change beam splitting concavees lens and beam splitting
The distance between lens, so as to change spot size of the shunt excitation light beam on base material and cladding layer.Do not increasing a whole set of laser
Realized in the case of equipment it is multi-faceted base material is preheated, cladding layer is tempered, considerably reduces thermograde, is had
Effect reduces the influence of the residual stress, crack-sensitivity, tissue odds caused by single laser beam soon hot rapid cooling, solves by more
The shortcomings that individual laser head is too high to realize preheating and tempering cost, and space is also limited.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of multi-angle can preheat reversal-flame type laser melting coating head, it is characterised in that including：Beam splitting mechanism, beam splitting zoom mechanism,
Laser scanning follower and laser melting coating mechanism；
Beam splitting cavity top in the beam splitting mechanism is provided with rotation pivot flange, the lower anchor ring of the rotation pivot flange
On be provided with six and be used to the circular holes of curved mirror are installed；
The beam splitting cavity includes the tapered portion on top and the cylindrical part of bottom；The outer wall inclined plane of the beam splitting cavity tapered portion
Circumferencial direction is evenly equipped with six circle convex platforms；Spectroscope glass support plate is arranged at the top of beam splitting cavity cylindrical part；
The spectroscope glass support plate upper surface is provided with spectroscope by gusseted block；
Light beam branch sleeve top in the laser scanning follower is provided with stepper motor, the rotation by electric machine support
Turn pivot flange upper end outer wall and be provided with gear wheel, the gear wheel is connected by little gear with stepper motor；
The light beam branch sleeve bottom outer wall is provided with taper roll bearing between the bearing hole with rotation pivot flange, described
Light beam branch sleeve bottom is provided with the bearings plate for carrying spacing taper roll bearing；
Described beam splitting zoom mechanism is arranged at the circle convex platform end of beam splitting cavity；Described laser melting coating mechanism is arranged at institute
State beam splitting cavity cylindrical part bottom；
When driving stepper motor rotation pivot flange, and the rotation of beam splitting cavity, spectroscopical light splitting angle can be adjusted, and then
Regulation is refracted into the angle of beam splitting zoom mechanism by curved mirror.
2. multi-angle according to claim 1 can preheat reversal-flame type laser melting coating head, it is characterised in that：
Beam splitting concavees lens in the beam splitting zoom mechanism are arranged at the circle convex platform endoporus of beam splitting cavity, the beam splitting cavity circle
Ring convex platform end is provided with lens focusing ring by camera lens connection ring, and the lens focusing ring is threadedly coupled with camera lens connection ring；
The lens focusing ring end is provided with beam splitting camera lens, and the beam splitting camera lens endoporus is provided with beam splitting convex lens.
3. multi-angle according to claim 1 or 2 can preheat reversal-flame type laser melting coating head, it is characterised in that：
The melting-painting nozzle of the laser melting coating mechanism is connected with the bottom of beam splitting cavity cylindrical part.
4. multi-angle according to claim 3 can preheat reversal-flame type laser melting coating head, it is characterised in that：
The distance d in the center of circle of six curved mirrors to the center of circle for rotating pivot flange is differed.
5. multi-angle according to claim 3 can preheat reversal-flame type laser melting coating head, it is characterised in that：
The circle convex platform of six beam splitting cavity tapered portion is uniformly distributed in radial cross-section, and forms one group two-by-two, is indulged and is cut
Face circle convex platform axis and horizontal direction angle, θ2It is different.
6. multi-angle according to claim 3 can preheat reversal-flame type laser melting coating head, it is characterised in that：
The gusseted block angle, θ1It is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388183.8U CN206869307U (en) | 2017-04-13 | 2017-04-13 | Multi-angle can preheat reversal-flame type laser melting coating head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388183.8U CN206869307U (en) | 2017-04-13 | 2017-04-13 | Multi-angle can preheat reversal-flame type laser melting coating head |
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| Publication Number | Publication Date |
|---|---|
| CN206869307U true CN206869307U (en) | 2018-01-12 |
Family
ID=61342762
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720388183.8U Withdrawn - After Issue CN206869307U (en) | 2017-04-13 | 2017-04-13 | Multi-angle can preheat reversal-flame type laser melting coating head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862756A (en) * | 2017-04-13 | 2017-06-20 | 东北大学 | Multi-angle can preheat reversal-flame type laser melting coating head |
| CN110528002A (en) * | 2019-10-07 | 2019-12-03 | 南京理工大学北方研究院 | A kind of laser melting coating system and method increasing material processing for cylindrical body |
| CN113857668A (en) * | 2021-10-19 | 2021-12-31 | 铭镭激光智能装备（河源）有限公司 | Laser multi-beam composite temperature field welding device |
-
2017
- 2017-04-13 CN CN201720388183.8U patent/CN206869307U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862756A (en) * | 2017-04-13 | 2017-06-20 | 东北大学 | Multi-angle can preheat reversal-flame type laser melting coating head |
| CN106862756B (en) * | 2017-04-13 | 2018-09-14 | 东北大学 | Multi-angle can preheat reversal-flame type laser melting coating head |
| CN110528002A (en) * | 2019-10-07 | 2019-12-03 | 南京理工大学北方研究院 | A kind of laser melting coating system and method increasing material processing for cylindrical body |
| CN113857668A (en) * | 2021-10-19 | 2021-12-31 | 铭镭激光智能装备（河源）有限公司 | Laser multi-beam composite temperature field welding device |
| CN113857668B (en) * | 2021-10-19 | 2022-04-15 | 铭镭激光智能装备（河源）有限公司 | Laser multi-beam composite temperature field welding device |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20180914 |