CN110117790A - Laser cladding apparatus - Google Patents
Laser cladding apparatus Download PDFInfo
- Publication number
- CN110117790A CN110117790A CN201910565379.3A CN201910565379A CN110117790A CN 110117790 A CN110117790 A CN 110117790A CN 201910565379 A CN201910565379 A CN 201910565379A CN 110117790 A CN110117790 A CN 110117790A
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- Prior art keywords
- permanent magnet
- sliding block
- ultrasonic wave
- wheel disc
- laser
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 26
- 238000005253 cladding Methods 0.000 claims abstract description 46
- 230000000007 visual effect Effects 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 30
- 230000005389 magnetism Effects 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 13
- 238000000576 coating method Methods 0.000 abstract description 13
- 238000002844 melting Methods 0.000 abstract description 11
- 230000008018 melting Effects 0.000 abstract description 11
- 239000013078 crystal Substances 0.000 abstract description 8
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 7
- 230000005672 electromagnetic field Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- 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 laser cladding apparatus.Mainly solve the problems, such as that existing laser cladding apparatus quality of cladding layer is unstable, use scope is narrow and electromagnetic field be arranged it is unreasonable.The present invention includes cladding head (1), ultrasonic vibration apparatus (2), steady magnetic field generating device (3) and work holder (4), it further include visual sensor (12) and servo-control system (13), workpiece is passed through direct current electric forming steady-state field.The present invention is processed using the compound action auxiliary laser cladding of steady-state field, steady magnetic field and ultrasonic vibration field, achieve the purpose that refine crystal grain, reduces residual stress, reduces stomata and crackle, pass through the position in visual identifying system real-time capture laser melting coating area, and it controls ultrasonic wave emitting head, the first permanent magnet and the second permanent magnet and follows the movement of laser melting coating area closely, improve the stability of quality of cladding layer, the position of ultrasonic wave emitting head can be adjusted in real time to reach optimal distance and direction, use scope is wide, is not limited by workpiece size.
Description
Technical field
The present invention relates to a kind of surface modification devices, and in particular to a kind of laser cladding apparatus.
Background technique
Surface is modified just to be referred under the premise of keeping material or product originality energy, assigns its surface new performance.Surface
Modification technology is then to use the chemical component or institutional framework of chemistry, the method change material of physics or workpiece surface to improve
A kind of heat treatment technics of machine parts or material property.Laser melting and coating technique is the 1970s with high power laser
Development and the new process for modifying surface of one kind that rises, laser melting and coating technique refer in a manner of different fillers in coated base
The coating material that selection is placed on body surface face is allowed to and matrix surface a thin layer while melting through laser irradiation, and quickly solidifies
Afterwards formed dilution it is extremely low and with basis material at the surface covering of metallurgical bonding, to significantly improve the resistance to of substrate material surface
The processes such as mill, corrosion-resistant, heat-resisting, the anti-oxidant and opering characteristic of electric apparatus.The superiority and inferiority for evaluating laser cladding layer quality, mainly from two
A aspect considers.First is that macroscopically, investigating cladding road shape, surface irregularity, crackle, stomata and dilution rate etc.；Second is that micro-
In sight, investigate whether form good tissue, required performance can be provided.There are following skills for existing laser cladding apparatus
Art defect: in 1. laser cladding processes, due to the hot physical performance adjustable parameter window narrows of basis material and dusty material, heating and
Cooling speed is exceedingly fast, and the temperature gradient and thermal expansion coefficient of cladding layer and basis material have differences, and cladding layer crystal grain occurs
It is coarse, be also easy to produce the number of drawbacks such as bubble, crackle, deformation and surface irregularity, quality of cladding layer is very unstable.Currently, domestic
Although there is some laser cladding apparatus to use ultrasonic technology, electromagnetic field technology, due to its reasons in structure, cladding layer is still
There are flaws, and quality of cladding layer is unstable, not ideal enough.2. ultrasonic wave emitting head and cladding head are servo-actuated, usually by ultrasonic wave
Emitting head is fixedly connected with cladding head, guarantees moving synchronously for cladding process, and ultrasonic wave is directly acted on cladding layer, to reach
For ultrasonic wave every the purpose in empty effect molten bath, ultrasonic wave emitting head is at a distance from cladding layer and direction is unable to adjust, and can only apply
In fixed basis material and dusty material, use scope is narrow.3. electromagnetic field is usually fixed setting, electromagnetic field is arranged not
Rationally, it cannot be moved synchronously in company with cladding head, be restricted processed workpiece size, if workpiece is larger, electromagnetism
Place the space occupied is just huger, higher cost, is unfavorable for promoting the use of.
Summary of the invention
In order to solve, existing laser cladding apparatus quality of cladding layer is unstable, use scope is narrow and electromagnetic field is arranged not
Reasonable problem, the present invention provide a kind of laser cladding apparatus, and the laser cladding apparatus is using steady-state field, steady magnetic field and surpasses
The compound action auxiliary laser cladding of acoustic vibration field is processed, and is reached refinement crystal grain, is reduced residual stress, reduction stomata and crackle
Purpose controls numerical control transfer by the position in visual identifying system real-time capture laser melting coating area, and by servo-control system
Device and numerical control slide arrangement for deflecting, and then it is molten to drive ultrasonic wave emitting head, the first permanent magnet and the second permanent magnet to follow laser closely
It is mobile to cover area, improves the stability of quality of cladding layer, the position of ultrasonic wave emitting head can be adjusted in real time to reach optimal
Distance and direction, use scope is wide, is not limited by workpiece size.
The technical scheme is that the laser cladding apparatus includes cladding head, ultrasonic vibration apparatus, steady magnetic field hair
Generating apparatus and work holder, ultrasonic vibration apparatus include sequentially connected supersonic generator and ultrasonic wave emitting head,
The cladding head includes laser head and coaxial powder feeding apparatus, and cladding head passes sequentially through articulated manner connection arm, linking arm and bottom
Seat sliding block, the pedestal sliding block are mounted on the base and can slide with respect to pedestal；The ultrasonic wave emitting head is mounted on transmitting
On head slider, emit and be also equipped with visual sensor on head slider, visual sensor connects servo-control system, visual sensor
The laser bright spot on workpiece can be captured and deliver it to servo-control system, the ultrasonic wave transmitting head slider installation
On numerical control transfer device, the servo-control system can be by control numerical control transfer after receiving the signal of visual sensor
Device make ultrasonic wave transmitting head slider along longitudinal direction, transverse direction and move up and down, so that ultrasonic wave emitting head is tracked laser bright spot simultaneously
It maintains a certain distance；The steady magnetic field generating device includes corresponding first permanent magnet and the second permanent magnet, and first forever
Magnet and the second permanent magnet be mounted on numerical control sliding arrangement for deflecting on, the distance between the first permanent magnet and the second permanent magnet and
The angle of the two line and horizontal plane can be adjusted, and numerical control, which slides arrangement for deflecting, can make first by servo-control system control
Permanent magnet and the second permanent magnetism volume tracing laser bright spot and the two sides for being maintained at workpiece at laser bright spot；Workpiece is passed through direct current.
The numerical control transfer device includes longitudinal pedestal sliding block and horizontal sliding bracket, and longitudinal pedestal sliding block is by longitudinal leadscrew
It moves longitudinally with servo longitudinal motor driven, horizontal sliding bracket is mounted on longitudinal pedestal sliding block by the first horizontal leading screw
Side, horizontal sliding bracket is laterally moved by the first lateral servo motor and the driving of the first horizontal leading screw, on horizontal sliding bracket
Second horizontal leading screw and feed rod are installed, ultrasonic wave emitting head slider bracket, ultrasonic wave are installed in the second horizontal leading screw and feed rod
Emitting head slider bracket is laterally moved by the second horizontal leading screw and the second lateral servo motor driving, and ultrasonic wave emits head slider
Vertical lead screw is installed on bracket, the ultrasonic wave transmitting head slider is mounted on vertical lead screw, ultrasonic wave emit head slider by
Vertical lead screw and vertical servo motor drives edge are vertically movable.
Numerical control sliding arrangement for deflecting includes the first permanent magnet sliding block and the second permanent magnet sliding block, the first permanent magnet and the
Two permanent magnets are separately fixed on the first permanent magnet sliding block and the second permanent magnet sliding block, the first permanent magnet sliding block and the second permanent magnet
Sliding block is connected with the first adjusting screw and the second adjusting screw respectively, and the first adjusting screw and the second adjusting screw are respectively by first
It adjusts motor and second and adjusts motor driven, the first adjusting screw, the second adjusting screw, first adjust motor and second and adjust electricity
Machine is installed on permanent magnetism body support frame, and permanent magnetism body support frame is fixed on bracket teeth wheel disc along flat-cut direction, outside bracket teeth wheel disc
Edge is toothed around, and bracket teeth wheel disc is mounted on wheel disc support slipper, and wheel disc deflection motor is equipped on wheel disc support slipper, wheel
Pinion gear is installed, pinion gear is meshed with bracket teeth wheel disc on the output shaft of disk deflection motor；The wheel disc support slipper by
Wheel disc support slipper slides motor and the sliding lead screw driving linear movement of wheel disc support slipper.
Two parallel vertical otic placodes are fixed on the wheel disc support slipper, are fixed with pin shaft between two vertical otic placodes,
Bracket teeth wheel disc is equipped with arc groove, and pin shaft is located in arc groove.
The pin shaft is two and is arranged above and below that arc groove is also two and is adapted respectively with two pin shafts.
The work holder includes chuck, chuck back seat and Finial device, is equipped on Finial device and chuck absolutely
The two poles of the earth of edge head, direct current are linked into workpiece from Finial device and chuck respectively.
Slider-actuated lead screw and sliding block support feed rod are installed, pedestal sliding block is mounted on slider-actuated lead screw on the pedestal
On sliding block support feed rod, slider-actuated lead screw is connected with slider-actuated servo motor.
The invention has the following beneficial effects: due to taking above-mentioned technical proposal, the present invention uses steady-state field, stable state magnetic
And ultrasonic vibration field compound action auxiliary laser cladding process, reach refinement crystal grain, reduce residual stress, reduce stomata and
The purpose of crackle by the position in visual identifying system real-time capture laser melting coating area, and controls number by servo-control system
It controls transfer device and numerical control slides arrangement for deflecting, and then ultrasonic wave emitting head, the first permanent magnet and the second permanent magnet is driven to follow closely
Laser melting coating area is mobile, improves the stability of quality of cladding layer, the position of ultrasonic wave emitting head can be adjusted in real time to reach
Optimal distance and direction, use scope is wide, is not limited by workpiece size.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention.
Attached drawing 2 is the structural schematic diagram of numerical control transfer device 14 in the present invention.
Attached drawing 3 is the structural schematic diagram of numerical control sliding arrangement for deflecting 17 in invention.
Attached drawing 4 is the mounting structure schematic diagram of the first permanent magnet 15 and the second permanent magnet 16 in invention.
Attached drawing 5 is the structural schematic diagram of work holder 4 in invention.
Attached drawing 6 is the mounting structure schematic diagram of pedestal sliding block 9 in invention.
1- cladding head in figure, 2- ultrasonic vibration apparatus, 3- steady magnetic field generating device, 4- work holder, 5- are super
Sonic generator, 6- ultrasonic wave emitting head, 7- arm, 8- linking arm, 9- pedestal sliding block, 10- pedestal, 11- emit head slider,
12- visual sensor, 13- servo-control system, 14- numerical control transfer device, the first permanent magnet of 15-, the second permanent magnet of 16-, 17-
Numerical control sliding arrangement for deflecting, the longitudinal direction 18- pedestal sliding block, 19- horizontal sliding bracket, 20- longitudinal leadscrew, 21- servo longitudinal motor,
The first horizontal leading screw of 22-, the lateral servo motor of 23- first, the second horizontal leading screw of 24-, 25- feed rod, 26- ultrasonic wave emitting head are sliding
Block bracket, the lateral servo motor of 27- second, the vertical lead screw of 28-, the vertical servo motor of 29-, 30- the first permanent magnet sliding block, 31-
Second permanent magnet sliding block, the first adjusting screw of 32-, the second adjusting screw of 33-, 34- first adjust motor, and 35- second adjusts electricity
Machine, 36- permanent magnetism body support frame, 37- bracket teeth wheel disc, 38- wheel disc support slipper, 39- wheel disc deflection motor, 40- pinion gear, 41-
Vertical otic placode, 42- pin shaft, 43- arc groove, 44- chuck, 45- chuck back seat, 46- Finial device, 47- insulative head, 48- sliding block
Lead screw is driven, 49- sliding block supports feed rod, 50- slider-actuated servo motor, and 51- wheel disc support slipper slides motor, 52- wheel disc
Support slipper slides lead screw.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in FIG. 1 to FIG. 6, the laser cladding apparatus, a kind of laser cladding apparatus, including cladding head 1, ultrasonic vibration apparatus
2, steady magnetic field generating device 3 and work holder 4, ultrasonic vibration apparatus 2 include sequentially connected supersonic generator 5
With ultrasonic wave emitting head 6, the cladding head 1 includes laser head and coaxial powder feeding apparatus, and cladding head 1 passes sequentially through articulated manner company
Catcher arm 7, linking arm 8 and pedestal sliding block 9, the pedestal sliding block 9 are mounted on pedestal 10 and can slide with respect to pedestal 10；Institute
It states ultrasonic wave emitting head 6 to be mounted on transmitting head slider 11, emits and be also equipped with visual sensor 12 on head slider 11, vision passes
Sensor 12 connects servo-control system 13, and visual sensor 12 can capture the laser bright spot on workpiece and deliver it to
Servo-control system 13, the ultrasonic wave transmitting head slider 11 are mounted on numerical control transfer device 14, the servo-control system
13 receive and ultrasonic wave can be made to emit 11 edge of head slider by controlling numerical control transfer device 14 after the signal of visual sensor 12
It longitudinally, laterally and moves up and down, ultrasonic wave emitting head 6 is enable to track laser bright spot and maintains a certain distance；The stable state
Field generator for magnetic 3 includes corresponding first permanent magnet 15 and the second permanent magnet 16, the first permanent magnet 15 and the second permanent magnet
16 are mounted on numerical control sliding arrangement for deflecting 17, and the corresponding surface pole of the first permanent magnet 15 and the second permanent magnet 16 is on the contrary, first
The angle of the distance between permanent magnet 15 and the second permanent magnet 16 and the two line can be adjusted, and numerical control slides arrangement for deflecting 17
The first permanent magnet 15 and the second permanent magnet 16 can be made to track laser bright spot by the control of servo-control system 13 and be maintained at sharp
The two sides of workpiece at bright point；Workpiece is passed through direct current.Due to taking above-mentioned technical proposal, workpiece is powered when cladding, on workpiece
Between the first permanent magnet 15 and the second permanent magnet 16, the laser head on cladding head 1 issues laser beam and is irradiated to work for cladding area
Part surface, while the coaxial powder feeding apparatus on cladding head 1 is to spraying coating material powder, coating at the laser irradiation of workpiece surface
Material powder and workpiece surface a thin layer instant melting simultaneously, the laser head on cladding head 1 issue laser and generate in workpiece surface
Molten bath, coating material powder are attached on molten bath, and the cladding area of the alignment of ultrasonic wave emitting head 6 at the same time issues frequency and is
The ultrasonic wave of 20000Hz, crystal grain in cladding area is shatter, temperature gradient is reduced, residual stress is reduced, to reduce the production of crackle
It is raw.The laser bright spot position that the laser head on cladding head 1 issues is captured by visual sensor 12, which refers to laser
It is irradiated to the bright spot generated on workpiece surface, i.e. cladding zone position, servo-control system 13 receives swashing for visual sensor 12
Light point position signal, and issuing instruction acts numerical control transfer device 14, and then 6 real-time tracking of ultrasonic wave emitting head is driven to swash
Bright point (cladding zone position) simultaneously maintains a certain distance, and workpiece leads to direct current and generates steady-state field, the first permanent magnet 15 and the
Steady magnetic field is formed between two permanent magnets 16, generation size is the magnetic field 2t, and molten bath is compressed downwardly by Lorentz force, in molten bath
Gas be extruded discharge, reduce the generation of bubble, servo-control system 13 receives the laser bright spot position of visual sensor 12
Confidence number, and issuing instruction acts numerical control sliding arrangement for deflecting 17, and then drives the first permanent magnet 15 and the second permanent magnet 16
Real-time tracking laser bright spot (cladding zone position), makes the cladding area on workpiece be always positioned at the first permanent magnet 15 and the second permanent magnet
Between 16.Due to can also generate heat while generating electric current in workpiece, crystal grain aggregation in cladding area can be made to become larger, and pass through ultrasound
The ultrasonic wave that wave emitting head 6 issues can be shatter by crystal grain, is formed with the effect that steady-state field and steady magnetic field generate complementary.This
Invention using steady-state field, steady magnetic field and ultrasonic vibration field compound action auxiliary laser cladding process, reach refinement crystal grain,
The purpose for reducing residual stress, reducing stomata and crackle, by the position in visual identifying system real-time capture laser melting coating area, and
Numerical control transfer device 14 is controlled by servo-control system 13 and numerical control slides arrangement for deflecting 17, and then drives ultrasonic wave emitting head
6, the first permanent magnet 15 and the second permanent magnet 16 follow the movement of laser melting coating area closely, improve the stability of quality of cladding layer, ultrasound
The position of wave emitting head 6 can adjust in real time to reach optimal distance and direction, and use scope is wide, is not limited by workpiece size
System.
The numerical control transfer device 14 includes longitudinal pedestal sliding block 18 and horizontal sliding bracket 19, longitudinal pedestal sliding block 18 by
Longitudinal leadscrew 20 and the driving of servo longitudinal motor 21 move longitudinally, and horizontal sliding bracket 19 is installed by the first horizontal leading screw 22
Above longitudinal pedestal sliding block 18, horizontal sliding bracket 19 is by the first lateral servo motor 23 and 22 drives edge of the first horizontal leading screw
Transverse shifting, installs the second horizontal leading screw 24 and feed rod 25 on horizontal sliding bracket 19, in the second horizontal leading screw 24 and feed rod 25
Ultrasonic wave emitting head slider bracket 26 is installed, ultrasonic wave emitting head slider bracket 26 is lateral by the second horizontal leading screw 24 and second
The driving of servo motor 27 laterally moves, and vertical lead screw 28, the ultrasonic wave are equipped on ultrasonic wave emitting head slider bracket 26
Transmitting head slider 11 is mounted on vertical lead screw 28, and ultrasonic wave emits head slider 11 by vertical lead screw 28 and vertical servo motor 29
Drives edge is vertically movable.Above-mentioned " longitudinal direction " refer to the consistent direction of 1 moving direction of cladding head, " transverse direction " refers to and cladding head
The perpendicular direction of 1 moving direction, the effect of the second horizontal leading screw 24 are accurately can to control and adjust ultrasonic wave emitting head to slide
The feeding distance of block bracket 26, so as to reach optimum distance between ultrasonic wave emitting head 6 and cladding area, being debugged repeatedly can be obtained
To the optimum distance.
The numerical control sliding arrangement for deflecting 17 includes the first permanent magnet sliding block 30 and the second permanent magnet sliding block 31, the first permanent magnetism
Body 15 and the second permanent magnet 16 are separately fixed on the first permanent magnet sliding block 30 and the second permanent magnet sliding block 31, and the first permanent magnet is sliding
Block 30 and the second permanent magnet sliding block 31 are connected with the first adjusting screw 32 and the second adjusting screw 33 respectively, the first adjusting screw 32
It is driven respectively by the first adjusting motor 34 and the second adjusting motor 35 with the second adjusting screw 33, the first adjusting screw 32, second
Adjusting screw 33, first adjusts motor 34 and the second adjusting motor 35 is installed on permanent magnetism body support frame 36, permanent magnetism body support frame 36
It is fixed on bracket teeth wheel disc 37 along flat-cut direction, the outer rim of bracket teeth wheel disc 37 is toothed around, and bracket teeth wheel disc 37 is mounted on
On wheel disc support slipper 38, wheel disc deflection motor 39, the output shaft of wheel disc deflection motor 39 are installed on wheel disc support slipper 38
On pinion gear 40 is installed, pinion gear 40 is meshed with bracket teeth wheel disc 37；The wheel disc support slipper 38 is supported by wheel disc and is slided
Block slides motor 51 and the sliding driving linear movement of lead screw 52 of wheel disc support slipper.For different workpiece, deflected by wheel disc
The deflection of 39 driving arm toothed disc 37 of motor, debugs the deflection angle of line between the first permanent magnet 15 and the second permanent magnet 16 repeatedly
Degree, can obtain best angle.
Two parallel vertical otic placodes 41 are fixed on the wheel disc support slipper 38, are fixed between two vertical otic placodes 41
Pin shaft 42, bracket teeth wheel disc 37 are equipped with arc groove 43, and pin shaft 42 is located in arc groove 43.Bracket teeth wheel disc 37 can be along pin shaft
42 deflections, pin shaft 42 also function to the effect of positioning and limit.
The pin shaft 42 is two and is arranged above and below that arc groove 43 is also adapted for two and with two pin shafts 42 respectively.
Pin shaft 42 and arc groove 43 are all made of two, keep the positioning of wheel disc support slipper 38 more stable.
Workpiece in the present embodiment is hydraulic prop, and the work holder 4 includes chuck 44, chuck back seat 45 and top
Insulative head 47 is equipped on sharp device 46, Finial device 46 and chuck 44, the two poles of the earth of direct current are respectively from Finial device 46 and card
Disk 44 is linked into workpiece.By chuck 44 by hydraulic prop clamping, and hydraulic prop rotation is driven by chuck 44, makes hydraulic branch
Column can be by comprehensive cladding.Insulative head 47 plays insulating effect, arrives stable state to ensure the stability of electric current in hydraulic prop
Electric field.
Slider-actuated lead screw 48 and sliding block support feed rod 49 are installed, pedestal sliding block 9 is mounted on sliding block on the pedestal 10
It drives on lead screw 48 and sliding block support feed rod 49, slider-actuated lead screw 48 is connected with slider-actuated servo motor 50.Slider-actuated
The work of servo motor 50 can make pedestal sliding block 9 along feed rod straight reciprocating.
Claims (7)
1. a kind of laser cladding apparatus, including cladding head (1), ultrasonic vibration apparatus (2), steady magnetic field generating device (3) and
Work holder (4), ultrasonic vibration apparatus (2) include sequentially connected supersonic generator (5) and ultrasonic wave emitting head
(6), it is characterised in that: the cladding head (1) includes laser head and coaxial powder feeding apparatus, and cladding head (1) passes sequentially through hinged side
Formula connection arm (7), linking arm (8) and pedestal sliding block (9), the pedestal sliding block (9) are mounted on pedestal (10) and being capable of phases
Pedestal (10) are slided；The ultrasonic wave emitting head (6) is mounted in transmitting head slider (11), also pacifies in transmitting head slider (11)
Equipped with visual sensor (12), visual sensor (12) connects servo-control system (13), and visual sensor (12) can capture
Laser bright spot on workpiece simultaneously delivers it to servo-control system (13), ultrasonic wave transmitting head slider (11) installation
On numerical control transfer device (14), the servo-control system (13) can pass through after receiving the signals of visual sensor (12)
Control numerical control transfer device (14) make ultrasonic wave transmitting head slider (11) along longitudinal direction, transverse direction and move up and down, emit ultrasonic wave
Head (6) can track laser bright spot and maintain a certain distance；The steady magnetic field generating device (3) includes corresponding first
Permanent magnet (15) and the second permanent magnet (16), the first permanent magnet (15) and the second permanent magnet (16) are mounted on numerical control sliding deflection dress
It sets on (17), the angle energy of the distance between the first permanent magnet (15) and the second permanent magnet (16) and the two line and horizontal plane
Enough to adjust, numerical control sliding arrangement for deflecting (17) can make the first permanent magnet (15) and second by servo-control system (13) control
Permanent magnet (16) tracking laser bright spot and the two sides for being maintained at workpiece at laser bright spot；Workpiece is passed through direct current.
2. laser cladding apparatus according to claim 1, it is characterised in that: the numerical control transfer device (14) includes longitudinal
Pedestal sliding block (18) and horizontal sliding bracket (19), longitudinal pedestal sliding block (18) is by longitudinal leadscrew (20) and servo longitudinal motor
(21) driving moves longitudinally, and horizontal sliding bracket (19) is mounted on longitudinal pedestal sliding block (18) by the first horizontal leading screw (22)
Top, horizontal sliding bracket (19) are laterally moved by the first lateral servo motor (23) and the first horizontal leading screw (22) driving,
Second horizontal leading screw (24) and feed rod (25) be installed, in the second horizontal leading screw (24) and feed rod (25) on horizontal sliding bracket (19)
Ultrasonic wave emitting head slider bracket (26) is installed, ultrasonic wave emitting head slider bracket (26) is by the second horizontal leading screw (24) and
Two lateral servo motors (27), which drive, to be laterally moved, and is equipped with vertical lead screw on ultrasonic wave emitting head slider bracket (26)
(28), ultrasonic wave transmitting head slider (11) is mounted on vertical lead screw (28), and ultrasonic wave emits head slider (11) by vertical
Lead screw (28) and vertical servo motor (29) drives edge are vertically movable.
3. laser cladding apparatus according to claim 1, it is characterised in that: the numerical control slides arrangement for deflecting (17) and includes
First permanent magnet sliding block (30) and the second permanent magnet sliding block (31), the first permanent magnet (15) and the second permanent magnet (16) are fixed respectively
On the first permanent magnet sliding block (30) and the second permanent magnet sliding block (31), the first permanent magnet sliding block (30) and the second permanent magnet sliding block
(31) it is connected respectively with the first adjusting screw (32) and the second adjusting screw (33), the first adjusting screw (32) and second adjusts silk
Thick stick (33) adjusts motor (34) and second by first respectively and adjusts motor (35) driving, and the first adjusting screw (32), second are adjusted
Lead screw (33), the first adjusting motor (34) and second adjust motor (35) and are installed on permanent magnetism body support frame (36), permanent magnet branch
Frame (36) is fixed on bracket teeth wheel disc (37) along flat-cut direction, and the outer rim of bracket teeth wheel disc (37) is toothed around, support gear
Disk (37) is mounted on wheel disc support slipper (38), and wheel disc deflection motor (39), wheel disc are equipped on wheel disc support slipper (38)
It is equipped on the output shaft of deflection motor (39) pinion gear (40), pinion gear (40) is meshed with bracket teeth wheel disc (37)；It is described
Wheel disc support slipper (38) drives straight line by wheel disc support slipper sliding motor (51) and wheel disc support slipper sliding lead screw (52)
It is mobile.
4. laser cladding apparatus according to claim 3, it is characterised in that: fix two on the wheel disc support slipper (38)
A parallel vertical otic placode (41) is fixed with pin shaft (42) between two vertical otic placodes (41), and bracket teeth wheel disc (37) is equipped with
Arc groove (43), pin shaft (42) are located in arc groove (43).
5. laser cladding apparatus according to claim 4, it is characterised in that: the pin shaft (42) is two and arranges up and down
Column, arc groove (43) are also adapted for two and with two pin shafts (42) respectively.
6. according to claim 1 to laser cladding apparatus described in 5 any one, it is characterised in that: the work holder
(4) include chuck (44), chuck back seat (45) and Finial device (46), be equipped with insulation on Finial device (46) and chuck (44)
Head (47), the two poles of the earth of direct current are linked into workpiece from Finial device (46) and chuck (44) respectively.
7. according to claim 1 to laser cladding apparatus described in 5 any one, it is characterised in that: pacify on the pedestal (10)
Equipped with slider-actuated lead screw (48) and sliding block support feed rod (49), pedestal sliding block (9) is mounted on slider-actuated lead screw (48) and slides
Block supports on feed rod (49), and slider-actuated lead screw (48) is connected with slider-actuated servo motor (50).
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| CN201910565379.3A CN110117790B (en) | 2019-06-27 | 2019-06-27 | Laser cladding device |
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| CN110117790B CN110117790B (en) | 2024-01-30 |
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| CN111118497A (en) * | 2020-02-18 | 2020-05-08 | 浙江工业大学 | Split magnetic field auxiliary coaxial laser cladding device with adjustable field intensity distribution |
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| CN112267112A (en) * | 2020-10-23 | 2021-01-26 | 南京工程学院 | Device and method suitable for preparing double-sided iron-based amorphous composite coated plate |
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| CN113061887A (en) * | 2021-04-01 | 2021-07-02 | 西安热工研究院有限公司 | Laser cladding device for protective coating on surface of water turbine and working method of laser cladding device |
| CN113586384A (en) * | 2021-07-27 | 2021-11-02 | 中联重科股份有限公司 | Method for manufacturing glasses plate, glasses plate and manufacturing system |
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| CN116748667B (en) * | 2023-08-14 | 2023-11-03 | 东北大学 | High-precision machine tool special for laser machining of crankshafts |
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