CN107675172A - One kind is based on the laser cladding apparatus and method of ultrasound-Lorentz force complex vibration - Google Patents
One kind is based on the laser cladding apparatus and method of ultrasound-Lorentz force complex vibration Download PDFInfo
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- CN107675172A CN107675172A CN201711070821.2A CN201711070821A CN107675172A CN 107675172 A CN107675172 A CN 107675172A CN 201711070821 A CN201711070821 A CN 201711070821A CN 107675172 A CN107675172 A CN 107675172A
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- cladding
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- ultrasound
- lorentz force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
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- 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
Abstract
The invention discloses a kind of laser cladding apparatus and method for being based on ultrasound-Lorentz force complex vibration, it solves the problems, such as that vibration ability deficiency, cladding layer bubble are more in the prior art, reach and effectively re-melt deposit welding, bubble are suppressed and the effect of reduction, its scheme are as follows：Chucks, for supporting cladding matrix；First conductive head, oppose and set with chucks, for applying current field to cladding matrix from end；Second conductive head, located at bed piece, for applying current field to cladding matrix from below；Laser head, above bed piece, for carrying out cladding to cladding matrix from top；Ribbon core hot-wire coil, including two conducting magnet cores, are respectively arranged on laser head both sides, and each conducting magnet core is wound with spiral winding；A kind of supersonic generator adjustment angle mechanism；Supersonic generator, by a kind of supersonic generator adjustment angle mechanism supports, for applying ultrasound field to cladding matrix with set angle.
Description
Technical field
The present invention relates to cladding layer capability raising, more particularly to a kind of swashing based on ultrasound-Lorentz force complex vibration
Light cladding apparatus and method.
Background technology
Laser melting coating is cladding material is had metallurgical junction with being formed after matrix skin consolidation using high-energy-density laser beam
A kind of advanced process for modifying surface of feature cladding layer is closed, is along vertically or closely perpendicular to base material horizontal plane direction spoke by laser beam
According to the cladding material and substrate surface microbedding for making to move with certain speed are heated rapidly fusing, and formed has completely with matrix
The rapid solidification of different components and property alloy layer, the purpose is to improve the wear-resisting, anti-corrosion, heat-resisting of matrix, endurance and
Antioxygenic property and electrical characteristic, so that engineering material surface obtains good combination property, it is a kind of economical and practical table
Surface strengthening means, have a wide range of applications.
But because matrix with the thermal coefficient of expansion of cladding material differs larger, with the reduction of solidification processing temperature, melt
Coating is shunk, and the reasons such as surrounding liquid can not be supplemented effectively, causes cladding layer cracked；At the same time, due to
The different solubility of the opposing gas of solid-liquid two, the bubble for being formed and being gathered in coating is reacted during laser rapid solidification,
Gas hole defect will be produced in cladding layer, influences coating quality.
Cladding layer is directed in the prior art, applies ultrasonic field and electromagnetic field simultaneously during laser melting coating, and adjustment is molten
Tissue morphology in pond, although the stirring for having electromagnetic field aids in, ultrasonic wave introduces molten bath, and single ultrasonic wave by matrix
Vibration ability it is still weaker, to homogenize molten bath internal stress effect it is limited.
Also have and all matrix is heat-treated before and after cladding, preferable performance cladding layer can be obtained, but this method walks
It is rapid too many, excessively very complicated, and being all heat-treated before and after cladding to matrix, cladding layer coarse grains can be caused, influence to melt
The performance of coating.
Ultrasonic activation timeliness is also introduced directly into molten bath microcell, realizes the purpose of crystal grain thinning, single ultrasound
Although ripple oscillator field can cause molten bath convection flow, effect or not good enough, the reduction to re-melt deposit welding can't reach
Satisfied effect.
In summary, the difference such as application order, species, mode because respectively aiding in field in the prior art, and each structure
Position sets limited, it is impossible to electric field, magnetic field or ultrasound field are made full use of to effect caused by cladding matrix, it is molten so as to have influence on
The performance of coating, cause the inhibition of crackle and stomata undesirable.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of supersonic generator adjustment angle mechanism, makes to surpass
For sound wave apart from adjustable, angle is controllable, including：
Height adjusting part, bottom are located at support baseboard, including leading screw, optical axis and regulating block, and leading screw is located between two optical axises,
Regulating block is set through leading screw and optical axis, and regulating block side is provided for the support slipper of clamping ultrasonic generator；
Support adjusting rod, the scalable setting of length, one end are fixed with support baseboard, and the other end sets supersonic generator branch
Seat is supportted, and support adjusting rod is coordinated to ultrasound on the inside of height adjustment mechanism by support adjusting rod and height adjustment mechanism
The angle of wave producer is adjusted, so can rotating threaded shaft, and then realize the adjustment of regulation tile height, leading screw light according to demand
Transverse slat is set at the top of axle, and leading screw sets handwheel to facilitate the adjustment of leading screw, support adjusting rod bottom and support baseboard through transverse slat
Be hinged to fix, support adjusting rod includes more piece joint, and adjacent joint is fastened by fastener.
Further, the support slipper includes two grip blocks, and grip block side is fixed with regulating block, and opposite side is half
Annular, two grip blocks are oppositely arranged with clamping ultrasonic generator, and during fastening, two grip blocks can pass through fastener such as spiral shell
Bolt nut is fastened.
Further, the support base is annular or semi-circular, and setpoint distance is spaced between support base and support slipper.
For overcome the deficiencies in the prior art, present invention also offers one kind to be based on ultrasound-Lorentz force complex vibration
Laser cladding apparatus, make high energy vibration field caused by ultrasonic wave, electric field and the fine oscillator field of Lorentz force caused by magnetic field direct
Compound action, wherein ultrasonic distance adjustable angle, Lorentz force size is controllable, effectively suppresses the production of re-melt deposit welding and stomata
It is raw.
One kind is based on the laser cladding apparatus of ultrasound-Lorentz force complex vibration, including：
Chucks, for supporting cladding matrix；
First conductive head, oppose and set with chucks, for applying electric current to cladding matrix from end；
Second conductive head, located at bed piece, for applying electric current to cladding matrix from below；
Laser head, above bed piece, for carrying out cladding to cladding matrix from top；
Band conducting magnet core hot-wire coil, including two conducting magnet cores, are respectively arranged on laser head both sides, each conducting magnet core twines
Spiral winding is wound with, for producing magnetic field around matrix cladding position；
A kind of described supersonic generator adjustment angle mechanism, ultrasound can be selected according to cladding matrix cladding position
The position of wave producer, ensure the accuracy of ul-trasonic irradiation, give full play to the action effect of ultrasonic wave；
Supersonic generator, by a kind of supersonic generator adjustment angle mechanism supports, for set angle pair
Cladding matrix applies ultrasound field.
By conductive head and cladding substrate contact, while rotation, conductive head is permanently connected in matrix surface matrix, is allowed
Matrix is passed through sinusoidal electricity, and then by ribbon core hot-wire coil, magnetic field is produced around matrix cladding position, so as to according to left hand
Rule realizes the purpose that Lorentz vibration force is produced in matrix cladding portion faces, and Lorentz vibration force continuingly acts on matrix and melted
Pond, the respectively lasting synchronous effect in auxiliary field in laser cladding process is ensure that, substantially increase the stability of quality of cladding layer.
Three-jaw chucks are used in said apparatus, chucks are fixed with rotating shaft, and rotating shaft is connected with motor, and electronic
Machine is connected with speed regulator, to adjust the rotating speed of rotating shaft.
First conductive head includes anterior adjustable column, and anterior adjustable column is anterior to set anterior brush, under the second conductive head includes
Portion's adjustable column, sets bottom brush at the top of the adjustable column of bottom, bottom adjustable column it is Height Adjustable, anterior adjustable column it is front and rear away from
From can adjust, conductive head is provided with two, with contact energization principle, brush is directly touched in matrix surface, realizes that matrix is powered,
The purpose of current field is produced in intrinsic silicon；Conducting magnet core i.e. magnetic field components are arranged on laser cephalic region, are put down with laser head
Row is set, and matrix cladding position is located at laser head bottom and among the magnetic pole of two conducting magnet cores, spiral winding is wrapped in magnetic conduction
On iron core, with electromagnetic induction principle, the purpose that magnetic field is produced around matrix cladding position is realized, in addition, conductive head produces
Electric current can to cladding matrix produce heating effect；
So as to realize the purpose that the fine oscillator field of Lorentz force is produced in matrix cladding portion faces according to left hand rule, this
Sample can refine, uniform laser microstructure of surface cladding layer and reduce the thermograde in molten bath, be risen to reducing re-melt deposit welding and stomata
Booster action.
The setting of supersonic generator, the relative position relation of adjustable ultrasonic generator and cladding matrix, realize super
Sound wave distance, angle are controllable, caused ultrasonic wave, and the thick crystalline substance of primary growth in the cooling procedure of molten bath is smashed by dither
Branch, the bubble in molten bath is crushed by cavitation, is helped out to reducing re-melt deposit welding and stomata；
Further, in order to ensure the reasonability of structure setting, compact-sized setting is ensured, a kind of supersonic generator is used
Adjustment angle mechanism is located at the opposite of the chucks.
Further, the support baseboard is set higher than bed piece, and first conductive head is located at support baseboard, and first
Conductive head is fixed by riser, and the first conductive head is connected with the electrified wire of the second conductive head with electric field power supply, electric field electricity
Source is located at support baseboard bottom, and ultrasonic wave occurs power supply and is equally located at support baseboard lower surface.First conductive head and
Two conductive heads include brush and adjustable column, and brush is located at adjustable column side.
Further, the laser head is located at the bottom of support arm, is commonly connected at the top of the conducting magnet core described in two
One support ring, support ring include the two halves of docking, and the relative position of electromagnetic field and laser head can be so adjusted by fixing screws.
Further, second conductive head is less than second the first conductive head of conductive head distance apart from the distance of chucks
Distance.
Further, the laser head is connected with synchronous powder feeder, and arc, support are set in bed piece side
The external stability connection of plate and arc.
One kind is based on the laser melting coating householder method of ultrasound-Lorentz force complex vibration, is based on using described one kind super
The laser cladding apparatus of sound-Lorentz force complex vibration, concrete operation step are as follows：
1) laser head melts to cladding matrix, produces molten bath；
2) ultrasonic wave directly acts on molten bath by air, and primary growth in the cooling procedure of molten bath is smashed by dither
Thick dendrite arm, the bubble in molten bath is crushed by cavitation；
3) the first conductive head, the second conductive head are each powered, and electric current, ribbon core spiral winding are produced in cladding intrinsic silicon
Be powered, by electromagnetic induction principle, magnetic field produced around matrix cladding position, according to left hand rule at matrix cladding position and
Bath can produce the fine vibration force of the controllable Lorentz of size, promote to refine uniform microstructure of surface cladding layer and reduce in molten bath
Thermograde；
4) ultrasonic wave high energy vibration field and the fine oscillator field coupled in common of Lorentz force, are acted to cladding matrix.
Compared with prior art, the beneficial effects of the invention are as follows：
1) principle and effect of the present invention based on high energy vibration and fine vibration, by ultrasonic wave high energy vibration field and Lorentz
The fine oscillator field coupled in common of power together, realizes being overlapped mutually, be complementary to one another, intercoupling for different oscillator fields, effectively
Solving that thick dendrite arm breaking capacity existing for single vibration field is weak, molten bath residual bubbles are excessive and crystal grain thinning is insufficient etc. asks
Topic, effectively re-melt deposit welding, bubble are suppressed and the effect of reduction so as to reach.
2) invention device directly acts on molten bath using ultrasonic wave high energy vibration field by air, uses synchronous Lorentz force
Fine oscillator field directly acts on molten bath by matrix, ensure that the respectively lasting synchronous effect in auxiliary field in laser cladding process,
Substantially increase the stability of quality of cladding layer, avoid because auxiliary field action discontinuously caused by quality of cladding layer it is uneven,
Situations such as being interrupted.
3) invention device uses local cladding control method, efficiently solves limitation of the magnetic field range to cladding matrix, only
Magnetic field and Lorentz force are produced around matrix cladding position, by the movement to matrix, is avoided because magnetic field range limits,
Cause some heavy parts not process, also effectively prevent due to the overall band Lorentz force of matrix and caused by minor shifts,
And then mismachining tolerance occurred etc..
4) invention device operation is flexible, not only can be with cladding common parts, the axial workpiece that can be rotated with cladding, and can
Tonality can be high, and to cladding matrix rotating speed, Lorentz vibration force size, ultrasonic power is all adjustable, can meet different use need
Ask, the characteristics of adaptable wide, flexible adjustment, strong control ability.
5) position of supersonic generator can adjust according to the size of cladding matrix in invention, ensure that point position occurs
Accuracy, give full play to the action effect of ultrasonic wave.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the overall structure figure of apparatus of the present invention；
Fig. 2 is the clamping machine tool structure figure of apparatus of the present invention；
Fig. 3 is the Lorentz force part body structure chart one of apparatus of the present invention；
Fig. 4 is the Lorentz force part body structure chart two of apparatus of the present invention；
Fig. 5 is the ultrasonic generator structure chart of apparatus of the present invention；
In figure, 10. powder feeding pipes；20. synchronous powder feeder；30. speed regulator；40. motor；50. chucks；60.
Lathe fuselage；70. cladding matrix；80. the second conductive head；90. magnetic field components；100. the first conductive head；110. electrified wire；
120. power supply one occurs for Lorentz force；130. power supply occurs for ultrasonic wave；140. support baseboard；150. wire；160. Lorentz force
Generation power supply two；170. supersonic generator；180. adjustment angle mechanisms；190. laser head；200. electrified wire；210. support
Arm；220. airway tube；
62. arc；63. cabinet；111. bottom conductive head electrified wire；112. front conductive head electrified wire；
51. rotating shaft；52. chucks；81. bottom brush；82. bottom adjustable column；101. anterior adjustable column；It is 102. anterior
Brush；111. bottom conductive head electrified wire；112. front conductive head electrified wire；
91. fixing screws；92. spiral winding；93. conducting magnet core；142. support adjusting rod；181. optical axis；182. leading screw；
183. support slipper.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of laser cladding apparatus and method for being based on ultrasound-Lorentz force complex vibration.
In a kind of typical embodiment of the application, as depicted in figs. 1 and 2, one kind is multiple based on ultrasound-Lorentz force
Close the laser cladding apparatus of vibration, including laser module, clamping module, Lorentz force module, ultrasonic wave module.
Laser module includes laser generator, support arm 210, synchronous powder feeder 20, and synchronous powder feeder 20 passes through powder feeding pipe
10 are connected with laser head 190, and laser head 190 is connected by airway tube 220 with protective gas device.
Clamping module is located at the lower section of laser head 190, and three-jaw chucks 52 are connected with rotating shaft 51, are installed along with cabinet
On, it is connected by the speed regulator 30 in cabinet with motor 40, arc 62 and support baseboard 140 are arranged on bed piece
On 60, bed piece 60 is connected with cabinet；
Lorentz force module includes electric field component and magnetic field components, and electric field component is integrated in clamping module, such as Fig. 2 and figure
Shown in 3, the second conductive head 80 is located at the lower section of cladding matrix 70, and the first conductive head 100 is arranged on support baseboard 140, is located at
The front end of cladding matrix, the conductive head at electric field component both ends are moved by bottom brush 81, anterior brush 102 and cladding matrix respectively
State is contacted, and the adjustable column of insulation crust is housed behind brush, and for adjusting the contact area of brush and cladding matrix, bottom is conductive
Head electrified wire 111, the one end of front conductive head electrified wire 112 are each connected with bottom adjustable column 82, anterior adjustable column 101,
The other end occurs power supply 1 with Lorentz force and is connected；
Magnetic field components are arranged on the both sides of laser head 190, conducting magnet core 93 be door type structure to avoid spiral winding 92 from coming off,
Insulated paint is scribbled on conducting magnet core 93, spiral winding 92 is wrapped on conducting magnet core 93, is sent out by electrified wire and Lorentz force
Raw power supply 2 160 is connected, as shown in figure 4, the top of conducting magnet core 93 described in two is commonly connected to a support ring, support ring bag
The two halves of docking are included, the relative position of conducting magnet core and laser head 190, and magnetic conduction iron can be so adjusted by fixing screws 91
Core 93 is connected to the top of laser head 190 by fixing screws；
Ultrasonic wave module is integrated in clamping module, as shown in figure 5, supersonic generator 170 passes through wire 150 and ultrasound
Ripple occurs power supply 130 and is connected, and its adjustment angle mechanism 180 being made up of leading screw 182, support adjusting rod 142 adjusts super jointly
Position of the sonic generator on cladding matrix, slide rail 181 and support adjusting rod 142 are arranged on support baseboard 140, support bottom
Plate 140 is connected with bed piece, and is set higher than bed piece.
One kind is based on the laser melting coating householder method of ultrasound-Lorentz force complex vibration, is based on using described one kind super
The laser cladding apparatus of sound-Lorentz force complex vibration, concrete operation step are as follows：
1) laser head melts to cladding matrix, produces molten bath；
2) ultrasonic wave directly acts on molten bath by air, and primary growth in the cooling procedure of molten bath is smashed by dither
Thick dendrite arm, the bubble in molten bath is crushed by cavitation；
3) the first conductive head, the second conductive head are each powered, and electric current, ribbon core spiral winding are produced in cladding intrinsic silicon
Be powered, by electromagnetic induction principle, magnetic field produced around matrix cladding position, according to left hand rule at matrix cladding position and
Bath can produce the fine vibration force of the controllable Lorentz of size, promote to refine uniform microstructure of surface cladding layer and reduce in molten bath
Thermograde；
4) ultrasonic wave high energy vibration field, the coupled in common of the fine oscillator field of Lorentz force finally, are realized.
In the present embodiment so that this is using Φ 50mm × 150mm No. 45 steel of cylinder as cladding matrix as an example, but simultaneously
It is not limited to this example；
First, with 500# abrasive paper for metallograph polishing matrix surface, matrix surface oxide is removed, dipping acetone with absorbent cotton wipes
Matrix surface is wiped, degrease and polish chip etc., dries matrix specimen surface with air-heater, will be put into drying box and dry 6h
Ni bases fore-put powder afterwards takes out, and is put into synchronous powder feeder.
Then, after cylinder cladding matrix is fixed to clamp using chucks, electric field component brush is adjusted by adjustable column
In the position of matrix, brush is set to be in close contact with matrix, by the position of mobile laser head, regulation magnetic field components are relative to matrix
The position at cladding position, make magnetic field around molten bath, by threaded adjusting mechanism, adjust the relative of supersonic generator and matrix
Position, make ultrasonic wave face matrix molten bath；
Next, lathe is opened successively, power supply occurs for ultrasonic wave, power supply one occurs for Lorentz force, electricity occurs for Lorentz force
Source two, clamping lathe rotating speed are 3r/min, and ultrasonic power is adjusted to middle-grade, and it is 10A that power supply two, which occurs, for Lorentz, Lorentz force
Generation power supply one is 6A；
Afterwards, cladding is started after adjusting laser parameter, laser power 1800W, spot diameter 4mm, protective gas are nitrogen
Gas；
Finally, after completing cladding, laser, ultrasonic power, Lorentz force are closed successively power supply one, Lorentz force occurs
Generation power supply two, clamping lathe, chucks are unclamped, cladding matrix is taken out.
In addition, present invention also offers a kind of supersonic generator adjustment angle mechanism, including：
Height adjusting part, bottom are located at support baseboard, including leading screw, optical axis and regulating block, and leading screw is located between two optical axises,
Regulating block is set through leading screw and optical axis, and regulating block side is provided for the support slipper of clamping ultrasonic generator；
Support adjusting rod, the scalable setting of length, one end are fixed with support baseboard, and the other end sets supersonic generator branch
Seat is supportted, and support adjusting rod is coordinated to ultrasound on the inside of height adjustment mechanism by support adjusting rod and height adjustment mechanism
The angle of wave producer is adjusted, so can rotating threaded shaft, and then realize the adjustment of regulation tile height, leading screw light according to demand
Transverse slat is set at the top of axle, and leading screw sets handwheel to facilitate the adjustment of leading screw, support adjusting rod bottom and support baseboard through transverse slat
Be hinged to fix, support adjusting rod includes more piece joint, and adjacent joint is fastened by fastener.
The support slipper includes two grip blocks, and grip block side is fixed with regulating block, and opposite side is semi-circular shape, and two
Individual grip block is oppositely arranged with clamping ultrasonic generator, and during fastening, two grip blocks can be entered by fastener such as bolt and nut
Row fastening.
The support base is annular or semi-circular, and setpoint distance is spaced between support base and support slipper.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
- A kind of 1. supersonic generator adjustment angle mechanism, it is characterised in that including：Height adjusting part, bottom are located at support baseboard, including leading screw, optical axis and regulating block, and leading screw is located between two optical axises, regulation Block is set through leading screw and optical axis, and regulating block side is provided for the support slipper of clamping ultrasonic generator；Support adjusting rod, the scalable setting of length, one end are fixed with support baseboard, and the other end sets supersonic generator to support Seat, and support adjusting rod is coordinated to ultrasonic wave on the inside of height adjustment mechanism by support adjusting rod and height adjustment mechanism The angle of generator is adjusted.
- 2. a kind of supersonic generator adjustment angle mechanism according to claim 1, it is characterised in that the support is slided Block includes two grip blocks, and grip block side is fixed with regulating block, and opposite side is semi-circular shape, two grip blocks be oppositely arranged with Clamping ultrasonic generator.
- A kind of 3. supersonic generator adjustment angle mechanism according to claim 1, it is characterised in that the support base For annular or semi-circular.
- 4. one kind is based on the laser cladding apparatus of ultrasound-Lorentz force complex vibration, it is characterised in that including：Chucks, for supporting cladding matrix；First conductive head, oppose and set with chucks, for applying electric current to cladding matrix from end；Second conductive head, located at bed piece, for applying electric current to cladding matrix from below；Laser head, above bed piece, for carrying out cladding to cladding matrix from top；Ribbon core hot-wire coil, including two conducting magnet cores, are respectively arranged on laser head both sides, and each conducting magnet core is wound with spiral Coil；A kind of supersonic generator adjustment angle mechanism according to any one of claim 1-3；Supersonic generator, by a kind of supersonic generator adjustment angle mechanism supports, for set angle to cladding Matrix applies ultrasound field.
- 5. a kind of laser cladding apparatus for being based on ultrasound-Lorentz force complex vibration according to claim 4, its feature It is, a kind of supersonic generator is located at the opposite of the chucks with adjustment angle mechanism.
- 6. a kind of laser cladding apparatus for being based on ultrasound-Lorentz force complex vibration according to claim 4, its feature It is, the support baseboard is set higher than bed piece, and first conductive head is located at support baseboard.
- 7. a kind of laser cladding apparatus for being based on ultrasound-Lorentz force complex vibration according to claim 4, its feature It is, the laser head is located at the bottom of support arm, and a support ring is commonly connected at the top of the conducting magnet core described in two.
- 8. a kind of laser cladding apparatus for being based on ultrasound-Lorentz force complex vibration according to claim 4, its feature It is, second conductive head is less than the distance of second the first conductive head of conductive head distance apart from the distance of chucks.
- 9. a kind of laser cladding apparatus for being based on ultrasound-Lorentz force complex vibration according to claim 4, its feature It is, first conductive head and the second conductive head include brush and adjustable column, and brush is located at adjustable column side.
- 10. one kind is based on the laser melting coating householder method of ultrasound-Lorentz force complex vibration, it is characterised in that using according to power Profit requires that one kind any one of 4-9 is based on the laser cladding apparatus of ultrasound-Lorentz force complex vibration, concrete operations Step is as follows：1) laser head melts to cladding matrix, produces molten bath；2) ultrasonic wave directly acts on molten bath by air, and the thick of primary growth in the cooling procedure of molten bath is smashed by dither Big dendrite arm, the bubble in molten bath is crushed by cavitation；3) the first conductive head, the second conductive head are each powered, and produce electric current in cladding intrinsic silicon, ribbon core spiral winding leads to Electricity, by electromagnetic induction principle, magnetic field is produced around matrix cladding position, at matrix cladding position and melted according to left hand rule The fine vibration force of the controllable Lorentz of size can be produced inside pond, promotes to refine uniform microstructure of surface cladding layer and reduces the temperature in molten bath Spend gradient；4) ultrasonic wave high energy vibration field and the fine oscillator field coupled in common of Lorentz force, are acted to cladding matrix.
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| CN108588709A (en) * | 2018-05-10 | 2018-09-28 | 福建工程学院 | A kind of ultrasound of composite coating involves the laser cladding apparatus and method of annealing auxiliary |
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