CN109972135A - A kind of laser cladding device and its laser head for laser cladding device - Google Patents
A kind of laser cladding device and its laser head for laser cladding device Download PDFInfo
- Publication number
- CN109972135A CN109972135A CN201910412195.3A CN201910412195A CN109972135A CN 109972135 A CN109972135 A CN 109972135A CN 201910412195 A CN201910412195 A CN 201910412195A CN 109972135 A CN109972135 A CN 109972135A
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- CN
- China
- Prior art keywords
- laser
- laser head
- head ontology
- cladding
- electromagnet
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Classifications
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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 proposes a kind of laser heads for laser cladding device, including laser head ontology, the laser head ontology is equipped with DC electromagnet, the DC electromagnet is U-shaped and both ends are oppositely arranged, the both ends of the DC electromagnet are located at the left and right sides of laser head ontology lower end, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact, prevent from causing matrix the technical issues of hollow phenomenon occur because of laser melting to solve.
Description
Technical field
The present invention relates to a kind of laser cladding device and its for the laser head of laser cladding device.
Background technique
Laser melting and coating technique is special with the controllable and quick solidification of its heat source and with bond strength height and structure refinement etc.
Point is widely used in industries such as aerospace, chemical industry, mold, machinery, steels.Laser melting and coating technique refers to use
The adding method of different solute element or hard phase makes cladding after laser irradiation in matrix surface addition cladding material
Material and matrix surface melt simultaneously generates molten bath, by quickly solidifying the table to form low dilution rate and with matrix be in metallurgical bonding
Face coating.Laser melting and coating technique is also the basis of laser in combination increasing material manufacturing and laser 3D printing technique simultaneously.Laser melting coating tool
Some is mainly characterized by: heat input and workpiece deformation are smaller；Cladding layer and matrix are in metallurgical bonding；Cladding material consumption is few, tool
There is preferable cost performance；The advantages that cladding process automation easy to accomplish.
However under the effect of irradiation of laser high energy beam, molten bath occurs consumingly to stir as boiling magma, makes molten bath
It is formed after the cooling period and is similar to the same hollow of Lunar CRater, the phenomenon is particularly evident under the microscope in amplification.
The method that a kind of entitled ultrasonic vibration auxiliary laser cladding prepares flawless cladding layer is disclosed in the prior art
With device, the patent of invention that application publication number is CN106350817A, ultrasonic vibration timeliness is introduced directly into molten bath microcell,
But it can not constrain the matrix that state is melted in molten bath in vertical direction, although therefore it inhibits molten to a certain extent
The boiling phenomenon of the matrix of state is melted in pond, but effect is poor.In addition it is to keep molten bath micro- in such a way that single-point vibrates
Area's vibration, direction of vibration is single, and the matrix for melting state in molten bath is be easy to cause to occur corrugated protrusion after the cooling period.
Summary of the invention
The present invention proposes a kind of laser cladding device and its laser head for laser cladding device, to solve to prevent because swashing
Light melting causes matrix the technical issues of hollow phenomenon occur.
The technical scheme of the present invention is realized as follows: a kind of laser head for laser cladding device, including laser head
Ontology, the laser head ontology are equipped with DC electromagnet, and the DC electromagnet is U-shaped and both ends are oppositely arranged, the direct current
The both ends of electromagnet are located at the left and right sides of laser head ontology lower end, laser head ontology front and rear sides be equipped with for
Conducting probe to cladding substrate contact.
Further, at least two are equipped with the laser head ontology week for making the ultrasonic wave transmitting vibrated to cladding matrix
Head.
Further, the laser head ontology is equipped with fixed disk, and the ultrasonic wave emitting head is fixed on fixed disk and around sharp
Bare headed ontology is uniformly distributed.
Further, the ultrasonic wave emitting head includes the energy converter being sequentially connected, amplitude transformer and oscillator, the ultrasonic wave
Generator is connect by cable with energy converter, is increased amplitude by amplitude transformer, is emitted ultrasonic wave finally by oscillator.
A kind of laser cladding device, including laser head ontology, the laser head ontology are equipped with DC electromagnet, the direct current
Electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of the DC electromagnet are located at the left and right two of laser head ontology lower end
Side, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact.
Further, at least two are equipped with the laser head ontology week for making the ultrasonic wave transmitting vibrated to cladding matrix
Head.
Further, the laser head ontology is equipped with fixed disk, and the ultrasonic wave emitting head is fixed on fixed disk and around sharp
Bare headed ontology is uniformly distributed.
Further, the ultrasonic wave emitting head includes the energy converter being sequentially connected, amplitude transformer and oscillator, the ultrasonic wave
Generator is connect by cable with energy converter, is increased amplitude by amplitude transformer, is emitted ultrasonic wave finally by oscillator.
Using above-mentioned technical proposal, the invention has the benefit that the laser head sheet of laser cladding device of the invention
Body front and rear sides are equipped with conducting probe, and when carrying out laser melting coating to matrix, a conduction is formed between conducting probe and matrix
Access, has electric current on the matrix between two conducting probes of laser head ontology front and rear sides, and the both ends of DC electromagnet
It is located at the left and right sides of laser head ontology lower end, when carrying out laser melting coating to matrix, the both ends difference of DC electromagnet
So that the electric current cutting magnetic induction line to circulate on matrix at left and right sides of the matrix, then changing according to left hand rule theorem adaptability
Become matrix on current direction make the Lorentz force of matrix straight down by direction, at this time on matrix by laser melting equally by
Matrix to the Lorentz force of direction straight down, Gu Rongrongzhuantaichu can restore rapidly smooth under Lorentz force effect, prevent
Only because laser melting causes matrix hollow phenomenon occur, therefore laser cladding device of the invention plays when improving matrix cladding
The effect of flatness.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of laser cladding device of the present invention；
Fig. 2 is structural schematic diagram of the present invention for the laser head of laser cladding device；
Fig. 3 is front view of the present invention for the laser head of laser cladding device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is that a kind of entitled ultrasonic vibration auxiliary laser cladding prepares the method and apparatus of flawless cladding layer, application
Publication No. is the attached drawing 1 of the patent of invention of CN106350817A, and the present invention only improves its laser head, therefore other parts are not
It is repeated again.
A kind of laser cladding Installation practice 1, as shown in Figure 1-3, including laser head ontology 1, laser head ontology is equipped with straight
Galvanic electricity magnet 2, DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located under laser head ontology
The left and right sides at end, laser head ontology front and rear sides are equipped with the conducting probe 3 for contacting with to cladding matrix 11.Of the invention
The laser head ontology front and rear sides of laser cladding device are equipped with conducting probe, when carrying out laser melting coating to matrix, conducting probe
A conductive path is formed between matrix, and there is electricity on the matrix between two conducting probes of laser head ontology front and rear sides
Stream, and the both ends of DC electromagnet are located at the left and right sides of laser head ontology lower end, when carrying out laser melting coating to matrix,
The both ends of DC electromagnet are located at left and right sides of matrix so that the electric current cutting magnetic induction line to circulate on matrix, then according to a left side
Current direction makes the Lorentz force of matrix straight down by direction on the change matrix of hand rule theorem adaptability, at this time matrix
On the Lorentz force of direction straight down is similarly subjected at laser melting, the matrix of Gu Rongrongzhuantaichu can be in Lorentz masterpiece
Restore smooth rapidly with lower, prevents from that matrix is caused hollow phenomenon occur because of laser melting, therefore laser cladding device of the invention rises
Flatness effect when improving matrix cladding is arrived.
A kind of laser cladding Installation practice 2, as shown in Figure 1-3, including laser head ontology 1, laser head ontology is equipped with straight
Galvanic electricity magnet 2, DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located under laser head ontology
The left and right sides at end, laser head ontology front and rear sides be equipped with for the conducting probe 3 to cladding substrate contact, laser head ontology
It is equipped at least two ultrasonic wave emitting heads 4 for making to vibrate to cladding matrix week.Laser is when melting matrix, because of laser energy
Amount is concentrated very much, is caused the matrix place of being melted nest hole phenomenon occur, is formed after the matrix place of being melted is cooling and fallen from the sky or outer space similar to the moon
The hollow of stone pit, ultrasonic wave emitting head are multiple and are arranged around laser head ontology that ultrasonic wave emitting head is equivalent to a vibration point,
That is, laser head ontology is around multiple vibration points are arranged, under the effect of ultrasonic wave emitting head, the vibration of many places vibration point is in laser
Overlapping is pointed out in the melting of head ontology transmitting laser, is cheated the nest at laser melting and is quickly smoothed before cooling, matrix is avoided to melt
There is nest hole in place, therefore flatness when laser cladding device of the invention plays the role of improving matrix cladding.
A kind of laser cladding Installation practice 3, as shown in Figure 1-3, including laser head ontology 1, laser head ontology is equipped with straight
Galvanic electricity magnet 2, DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located under laser head ontology
The left and right sides at end, laser head ontology front and rear sides be equipped with for the conducting probe 3 to cladding substrate contact, laser head ontology
It is equipped at least two ultrasonic wave emitting heads 4 for making to vibrate to cladding matrix week, laser head ontology is equipped with fixed disk 5, ultrasound
Wave emitting head is fixed on fixed disk and is uniformly distributed around laser head ontology.
A kind of laser cladding Installation practice 4, as shown in Figure 1-3, including laser head ontology 1, laser head ontology is equipped with straight
Galvanic electricity magnet 2, DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located under laser head ontology
The left and right sides at end, laser head ontology front and rear sides be equipped with for the conducting probe 3 to cladding substrate contact, laser head ontology
It is equipped at least two ultrasonic wave emitting heads 4 for making to vibrate to cladding matrix week, laser head ontology is equipped with fixed disk 5, ultrasound
Wave emitting head is fixed on fixed disk and is uniformly distributed around laser head ontology, ultrasonic wave emitting head include the energy converter 6 being sequentially connected,
Amplitude transformer 7 and oscillator 8, supersonic generator are connect by cable with energy converter, increase amplitude by amplitude transformer, finally by
Oscillator emits ultrasonic wave.
A kind of laser head embodiment 1 for laser cladding device, as Figure 2-3, including laser head ontology 1, laser
Head ontology is equipped with DC electromagnet 2, and DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located at
The left and right sides of laser head ontology lower end, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact
3。
A kind of laser head embodiment 2 for laser cladding device, as Figure 2-3, including laser head ontology 1, laser
Head ontology is equipped with DC electromagnet 2, and DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located at
The left and right sides of laser head ontology lower end, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact
3, it is equipped at least two ultrasonic wave emitting heads 4 for making to vibrate to cladding matrix laser head ontology week.
A kind of laser head embodiment 3 for laser cladding device, as Figure 2-3, including laser head ontology 1, laser
Head ontology is equipped with DC electromagnet 2, and DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located at
The left and right sides of laser head ontology lower end, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact
3, it is equipped at least two ultrasonic wave emitting heads 4 for making to vibrate to cladding matrix laser head ontology week, laser head ontology is equipped with
Fixed disk 5, ultrasonic wave emitting head are fixed on fixed disk and are uniformly distributed around laser head ontology.
A kind of laser head embodiment 4 for laser cladding device, as Figure 2-3, including laser head ontology 1, laser
Head ontology is equipped with DC electromagnet 2, and DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of DC electromagnet are located at
The left and right sides of laser head ontology lower end, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact
3, it is equipped at least two ultrasonic wave emitting heads 4 for making to vibrate to cladding matrix laser head ontology week, laser head ontology is equipped with
Fixed disk 5, ultrasonic wave emitting head are fixed on fixed disk and are uniformly distributed around laser head ontology, and ultrasonic wave emitting head includes successively phase
Energy converter 6, amplitude transformer 7 and oscillator 8 even, supersonic generator are connect with energy converter by cable, are increased by amplitude transformer
Amplitude emits ultrasonic wave finally by oscillator.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of laser head for laser cladding device, including laser head ontology, which is characterized in that the laser head ontology is set
There is DC electromagnet, the DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of the DC electromagnet are located at sharp
The left and right sides of bare headed ontology lower end, laser head ontology front and rear sides are equipped with for visiting with the conduction to cladding substrate contact
Needle.
2. the laser head according to claim 1 for laser cladding device, which is characterized in that the laser head ontology week
Ultrasonic wave emitting head equipped at least two for making to vibrate to cladding matrix.
3. the laser head according to claim 2 for laser cladding device, which is characterized in that the laser head ontology is set
There is fixed disk, the ultrasonic wave emitting head is fixed on fixed disk and is uniformly distributed around laser head ontology.
4. the laser head according to claim 3 for laser cladding device, which is characterized in that the ultrasonic wave emitting head
Including energy converter, amplitude transformer and the oscillator being sequentially connected.
5. a kind of laser cladding device, including laser head ontology, which is characterized in that the laser head ontology is equipped with direct solenoid
Iron, the DC electromagnet is U-shaped and both ends are oppositely arranged, and the both ends of the DC electromagnet are located under laser head ontology
The left and right sides at end, laser head ontology front and rear sides be equipped with for the conducting probe to cladding substrate contact.
6. laser cladding device according to claim 5, which is characterized in that the laser head ontology week is equipped at least two
Ultrasonic wave emitting head for making to vibrate to cladding matrix.
7. laser cladding device according to claim 6, which is characterized in that the laser head ontology is equipped with fixed disk, institute
Ultrasonic wave emitting head is stated to be fixed on fixed disk and be uniformly distributed around laser head ontology.
8. laser cladding device according to claim 7, which is characterized in that the ultrasonic wave emitting head includes being sequentially connected
Energy converter, amplitude transformer and oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412195.3A CN109972135A (en) | 2019-05-17 | 2019-05-17 | A kind of laser cladding device and its laser head for laser cladding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412195.3A CN109972135A (en) | 2019-05-17 | 2019-05-17 | A kind of laser cladding device and its laser head for laser cladding device |
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| Publication Number | Publication Date |
|---|---|
| CN109972135A true CN109972135A (en) | 2019-07-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412195.3A Pending CN109972135A (en) | 2019-05-17 | 2019-05-17 | A kind of laser cladding device and its laser head for laser cladding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484914A (en) * | 2019-09-03 | 2019-11-22 | 大连理工大学 | A kind of device and method of servo-actuated ultrasonic wave added Direct Laser deposition Ceramic Reinforced MMCs |
| WO2022179413A1 (en) * | 2021-02-25 | 2022-09-01 | 苏州大学 | Variable-attitude laser cladding processing method and processing apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204022940U (en) * | 2014-08-11 | 2014-12-17 | 浙江工业大学 | The collaborative laser cladding apparatus of a kind of electricity-magnetic Composite Field |
| CN106350817A (en) * | 2016-11-11 | 2017-01-25 | 青岛理工大学 | Method and device for preparing crack-free cladding layer through ultrasonic vibration-assisted laser cladding |
| CN107502890A (en) * | 2017-09-12 | 2017-12-22 | 大连理工大学 | A kind of method for reducing laser cladding forming parts gas hole defect |
| CN107675172A (en) * | 2017-11-03 | 2018-02-09 | 青岛理工大学 | One kind is based on the laser cladding apparatus and method of ultrasound-Lorentz force complex vibration |
-
2019
- 2019-05-17 CN CN201910412195.3A patent/CN109972135A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204022940U (en) * | 2014-08-11 | 2014-12-17 | 浙江工业大学 | The collaborative laser cladding apparatus of a kind of electricity-magnetic Composite Field |
| CN106350817A (en) * | 2016-11-11 | 2017-01-25 | 青岛理工大学 | Method and device for preparing crack-free cladding layer through ultrasonic vibration-assisted laser cladding |
| CN107502890A (en) * | 2017-09-12 | 2017-12-22 | 大连理工大学 | A kind of method for reducing laser cladding forming parts gas hole defect |
| CN107675172A (en) * | 2017-11-03 | 2018-02-09 | 青岛理工大学 | One kind is based on the laser cladding apparatus and method of ultrasound-Lorentz force complex vibration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484914A (en) * | 2019-09-03 | 2019-11-22 | 大连理工大学 | A kind of device and method of servo-actuated ultrasonic wave added Direct Laser deposition Ceramic Reinforced MMCs |
| WO2022179413A1 (en) * | 2021-02-25 | 2022-09-01 | 苏州大学 | Variable-attitude laser cladding processing method and processing apparatus |
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Application publication date: 20190705 |
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