CN106757014A - Laser multiple beam feeding cladding and preheating device - Google Patents
Laser multiple beam feeding cladding and preheating device Download PDFInfo
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- CN106757014A CN106757014A CN201710059671.9A CN201710059671A CN106757014A CN 106757014 A CN106757014 A CN 106757014A CN 201710059671 A CN201710059671 A CN 201710059671A CN 106757014 A CN106757014 A CN 106757014A
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- cladding
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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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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Abstract
The present invention relates to a kind of laser multiple beam feeding cladding and preheating device, it is used to incident beam conversion with the cladding on base material by cladding material, laser multiple beam feeding cladding and preheating device include support frame and the spectroscope and reflection focus pack that are arranged on support frame, the incident beam mirror that is split is converted into the reflected beams, the reflected beams reflect along the circumference of spectroscopical axis, reflection focus pack includes reflection focusing surface and reflecting surface, and reflection focusing surface and reflecting surface are towards spectroscope;The reflected beams reflection focusing in part is formed cladding light beam by reflection focusing surface, and cladding light beam carries out cladding to form molten bath to spraying to base material by cladding material;Part the reflected beams are reflected to form preheating light beam by reflecting surface, and preheating light beam is pointed to being preheated to base material and slow cooling by cladding material preheater, and/or preheating light beam above base material;Support frame and cladding light beam, preheating light beam stagger setting.
Description
Technical field
The present invention relates to a kind of laser multiple beam feeding cladding and preheating device, belong to laser gain material manufacture field.
Background technology
In advanced laser machining forming manufacturing technology, there is a key technology, will laser and be melt synchronous material biography
Transport to and shape position, and metal material continuously, accurately, is equably put on machined surface and make scanning fortune by desired trajectory
In dynamic focal beam spot, realize that light material is accurately coupled.Material carries out the conversion of luminous energy and heat energy, instant melting and shape in light beam
Into molten bath, the metallurgical process of the rapid melting solidification of material is completed.
Conventionally, as the suddenly cold and hot effect of laser melting coating can make rapidoprint produce big overheat and supercooling
Degree, easily causes the cracking of crucible zone.In order to solve the above problems, the cold slow technology of preheating is introduced, delayed after the preheating and cladding of matrix
It is cold effectively to reduce thermograde, discharge residual thermal stress.The more use electromagnetic induction of existing preheating technology, resistance heating etc. are outside
The method of thermal source, overall heating is carried out to workpiece matrix, and heating-up temperature is generally 200-600 DEG C, and overall heating has certain
Effect, but when the reparation of big part or 3D shape, the change in location of processing stand can cause the distance change from heating zone, so that band
Carry out the change of preheating temperature, another attachment device also shows burden.In order to avoid above-mentioned influence, one of method is directly to use low-density
Laser beam carries out local servo-actuated preheating and slow cooling in molten bath front and back, and the method is not required to using other thermals source and device.Such as,
U.S. Patent Application No. US2009/0283501A1 is proposed to be carried out using a laser input high density roundlet shaped light beam
Cladding, another laser is input into coaxial low-density great circle shaped light beam to be carried out to being preheated by cladding material;Chinese patent
Apply for that No. CN201380036006.8 proposes and carry out cladding and preheating to silk material, the Chinese patent application is disclosed in following
Appearance system include high intensity energy source and feeder system, the high intensity energy source be configured to heating at least one workpiece with
Molten bath is created, the feeder system includes being configured to be fed to running stores the wire feeder in molten bath.System also includes
Induction system, the induction system receives consumption and the sensing heating part consumption before one section of running stores enters molten bath
Product.Methods described includes at least one workpiece of heating to create molten bath and running stores are fed into molten bath.Methods described is also wrapped
Include the sensing heating part running stores before one section of entrance molten bath of running stores.
The above-mentioned content for carrying out servo-actuated preheating and slow cooling using main and auxiliary multiple beam mostly reports light path and principle, has
Compliance test result has been carried out using emulation mode, it is some to have carried out cladding with precoating coating method.But in the prior art, using cladding and
There are the following problems in the Patents that preheating technology is combined:It is interior disclosed in U.S. Patent Application No. US2009/0283501A1
Hold, workpiece is preheated using independent laser, there are the following problems for meeting:1st, nozzle structure is extremely complex, high cost;2、
Shower nozzle volume can be very big, it is impossible to launches some claddings work into small space.
Chinese patent application CN201380036006.8 disclosures, are entered using inductance device by cladding material
Row preheating, and cladding work is completely independent, and there are the following problems for meeting:1st, nozzle structure is extremely complex, high cost;2nd, shower nozzle volume
Can be very big, it is impossible to launch some claddings work into small space;3rd, silk material is to carry out inductive heating in the channel, logical leaving
This section of process that road enters in molten bath, silk material just loses heating source, and the temperature in silk material can change, it is easy to cause silk material
Positional precision changes, it is easy to produce influence to clad layer surface quality and precision, even resulting in cannot carry out cladding work
Make;4th, inductive heating is only heated to silk material, and matrix is not heated, and is only to improve cladding efficiency, is not had
It is real to play the function of reducing crucible zone thermal stress and reduce the defects such as fire check.
In addition, in addition to the implementation, in existing other internal powder conveyings or wire feeding cladding feed device, going back generally existing
Following problem:Cladding light beam can intersect with support frame, so as to cause capacity loss, and because cladding light beam is radiated at support frame
On, so, the strain of support frame is accelerated, also, generally needing to be applied on the side to light of support frame in the prior art to be coated with extinction
Material, but if technology stability is bad, still has light and reflexes to condenser, easily causes that it crosses cause thermal damage, so, to applying
The technology difficulty requirement of plating light absorbent is higher.
The content of the invention
It is an object of the invention to provide a kind of laser multiple beam feeding cladding and preheating device, it can realize cladding simultaneously
With two kinds of techniques of preheating, wherein in preheating, its can pre- hot substrate and by cladding material, so as to can not only improve cladding effect
Rate, but also the technique heat treatment requirements of different materials and structure can be met, reduce crucible zone thermal stress and reduce fire check etc.
Defect generation probability;The device can reduce the energy loss of light path again, improve capacity usage ratio.
To reach above-mentioned purpose, the present invention provides following technical scheme:A kind of laser multiple beam feeding cladding and pre- hot charging
Put, be used to incident beam conversion with the cladding on base material by cladding material, the laser multiple beam feeding cladding and preheating
Device includes support frame and the spectroscope and reflection focus pack that are arranged on support frame as described above, and the incident beam is by described point
Light microscopic is converted into the reflected beams, and the reflected beams reflect along the circumference of spectroscopical axis, the reflection focusing group
Part includes reflection focusing surface and reflecting surface, and the reflection focusing surface and reflecting surface are towards spectroscope;The reflection focusing surface will
The part the reflected beams reflection focusing forms cladding light beam, and the cladding light beam is to spraying being entered by cladding material to base material
Row cladding is forming molten bath;The part the reflected beams are reflected to form preheating light beam, the preheating light beam pair by the reflecting surface
Being preheated to the base material and slow cooling by cladding material preheater, and/or the preheating light beam above the base material;Institute
Support frame and cladding light beam, preheating light beam is stated to stagger setting.
Further:The hollow bulb passed through for cladding light beam, preheating light beam is formed with support frame as described above.
Further:Support frame as described above includes lower bracing frame and the upper support frame being fixed in the lower bracing frame, described
Lower bracing frame include in a ring the upper support frame installation portion of structure, in be formed anti-is protruded out on the upper support frame installation portion upwards
Penetrate focus pack installation portion, hollow interior fixture and connection fixture and upper support frame positioned at the upper support frame installation portion
The bearing rib of installation portion, in a ring, the outside diameter of the upper support frame installation portion is big for the reflection focus pack installation portion
In the outside diameter of reflection focus pack installation portion, the upper support frame is arranged on the upper support frame installation portion, described anti-
Penetrate focus pack to be arranged on the reflection focus pack installation portion, the spectroscope is fixed on fixture, the fixture
Do not connect with upper support frame installation portion, and be formed between the two for the cladding light beam, preheating light beam pass through it is described hollow
Portion, the projection of the bearing rib is located in the hollow bulb, and the bearing rib staggers with cladding light beam, preheating light beam.
Further:The reflection focusing surface is arranged along the circumferencial direction of spectroscopical axis, the reflection
Face is arranged along the circumferencial direction of spectroscopical axis, reflection focusing surface projection positive throwing on the substrate
Shadow, reflecting surface projection orthographic projection and bearing rib projection on the substrate orthographic projection on the substrate are staggered.
Further:The reflection focusing surface is equidistantly uniform point along the circumferencial direction of spectroscopical axis
Cloth, the reflecting surface is equidistantly uniformly distributed on the circumferencial direction along spectroscopical axis.
Further:The reflection focusing surface, reflecting surface interval setting;Or the reflection focusing surface, reflecting surface are upper and lower
Arrangement.
Further:The reflection focusing surface, the reflecting surface are even number.
Further:The spectroscope includes the first minute surface arranged along the circumferencial direction of spectroscopical axis
Portion and the second minute surface portion;First minute surface portion projection orthographic projection on the substrate, the second minute surface portion are incident upon the base
The orthographic projection that orthographic projection on plate is projected on the substrate with bearing rib is staggered;The first minute surface portion acceptance division is divided into
Irradiating light beam is simultaneously reflected to form the first the reflected beams the portions incident light beam, and first the reflected beams are incident upon the reflection
The cladding light beam is formed with conversion on focusing surface;The second minute surface portion receiving portion incident beam and by the portion of incident light
To form the second the reflected beams, second the reflected beams are incident upon on the reflecting surface and form the preheating with conversion for beam reflection
Light beam.
Further:The spectroscope have the first minute surface portion, the first minute surface portion simultaneously towards reflection focusing surface and
Reflecting surface, the first minute surface portion can receive incident beam and form the reflected beams, and the reflected beams are focused on by reflecting
Face, reflecting surface are changed to form cladding light beam, preheating light beam respectively.
Further:The cladding light beam, preheating light beam are at least two beams, and light beam and the light splitting are preheated per Shu Suoshu
The distance of the axis of mirror is identical, and identical with the corner dimension that spectroscopical axis is formed;Per Shu Suoshu claddings
Light beam is identical with the distance of spectroscopical axis, and the corner dimension phase formed with spectroscopical axis
Together.
Further:The area of the area more than reflecting surface of the reflection focusing surface.
The beneficial effects of the present invention are:Laser multiple beam feeding cladding of the invention and preheating device have following excellent
Point:
1st, by reflect focus lamp, speculum by the reflected beams be converted into cladding by the cladding light beam of cladding material,
It is used to preheat the preheating light beam by cladding material and/or base material, so that two kinds of techniques of cladding simultaneously and preheating are realized, wherein, lead to
Preheating is crossed by cladding material to improve cladding efficiency, by pre- hot substrate reducing crucible zone thermal stress and reduce the defect such as fire check
Generation probability;
2nd, an incident beam is changed into cladding light beam, preheating light beam simultaneously, so as to reduce overall dimensions, makes entirety
Simple structure, contributes to reduces cost;
3rd, by reflecting the setting of focus lamp, speculum, can help to correct the reflection angle of the reflected beams, so, phase
For, even if deviation occur in the reflected beams, the position realization correction of focus lamp, speculum, institute can be also reflected by adjusting
So that it has a larger range comprehension for spectroscopical error in mounting position value;
4th, when the laser multiple beam feeding cladding and preheating device run, due to preheating light beam, by cladding material and molten
Position dimension will not change between covering light beam, and it is synchronized with the movement with nozzle, so as to ensure that melting and coating process stabilization, have
Help improve clad layer surface quality and precision;
5th, because support frame and incident beam, the reflected beams, cladding light beam, preheating light beam stagger setting, can cause
The support frame is not interfered with incident beam, the reflected beams, cladding light beam, preheating light beam, reduces the energy loss of light path, is improved
Capacity usage ratio.
Described above is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the laser multiple beam feeding cladding shown in one embodiment of the invention and the sectional view of preheating device;
Fig. 2 is the laser melting coating feed device shown in Fig. 1 in the sectional view on other direction;
Fig. 3 is part-structure figure in Fig. 1;
Fig. 4 is Fig. 3 in the structure chart on other direction;
Fig. 5 is the structural representation of support frame in Fig. 1;
Fig. 6 be Fig. 1 in support frame in the structural representation on other direction;
Fig. 7 is spectroscopical structural representation in Fig. 1;
Fig. 8 is another spectroscopical structural representation;
Fig. 9 is another spectroscopical structural representation;
Figure 10 is another spectroscopical structural representation.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
Fig. 1 to Fig. 4 is referred to, the laser multiple beam feeding cladding and preheating device shown in a preferred embodiment of the present invention are used
Changed with cladding on the substrate 30 by cladding material (not shown) with by the incident beam 10, in the present embodiment, this is by cladding material
Expect to be silk material.The laser multiple beam feeding cladding and preheating device include support frame 1, are arranged on dividing on support frame as described above 1
Light microscopic 2 and reflection focus pack 3 and the nozzle 5 positioned at the lower section of reflection focus pack 3.The spectroscope 2 is by incident beam
10 are converted into the reflected beams, and the reflected beams reflect along the circumference of the axis of the spectroscope 2, the reflection focus pack
3 include reflection focusing surface 311 and reflecting surface 321, and the reflection focusing surface 311 and reflecting surface 321 are towards spectroscope 2;It is described
The part the reflected beams reflection focusing is formed cladding light beam 201,201 pairs of injections of the cladding light beam by reflection focusing surface 311
Carry out cladding to form molten bath by cladding material on to base material 30;The reflecting surface 321 reflects the part the reflected beams
Preheating light beam 202 is formed, the preheating light beam 202 is pointed to being preheated by cladding material for the top of the base material 30;It is described
Support frame 1 and incident beam 10, the reflected beams, cladding light beam 201, preheating light beam 202 stagger setting.The preheating light beam 202
During to by cladding material preheater, by by cladding material blocks, another part is not blocked for the part of preheating light beam 202, this not by
The part preheating light beam 202 for blocking is projected to the base material 30 to form hot spot, so as to be preheated to base material 30 and slow cooling.It is right
Cladding path determines when preheating, the slow cooling of base material 30 are by cladding.Certainly, in other embodiments, when by cladding material be powder
When, it only can be preheated and slow cooling to base material.
Fig. 1 to Fig. 6 is referred to, support frame as described above 1 includes lower bracing frame 11 and is fixed on upper in the lower bracing frame 11
Support frame 12, the lower bracing frame 11 is including the upper support frame installation portion 111 of structure in a ring, in the upper support frame installation portion
Protruded out upwards on 111 to be formed reflection focus pack installation portion 112, positioned at the upper support frame installation portion 111 it is hollow in
The bearing rib 114 of fixture 113 and connection fixture 113 and upper support frame installation portion 111, the reflection focus pack is installed
In a ring, the outside diameter of the upper support frame installation portion 111 is cylindrical straight more than reflection focus pack installation portion 112 in portion 112
Footpath.The upper support frame 12 is arranged on the upper support frame installation portion 111, and the reflection focus pack 3 is arranged on described anti-
Penetrate on focus pack installation portion 112, the fixture 113 includes the spectroscope mounting surface 1131 and jackshaft that are disposed opposite to each other up and down
Mounting surface (non-label), the spectroscope 2 is fixed on spectroscope mounting surface 1131.One is fixed with the jackshaft mounting surface
Jackshaft 13, the jackshaft 13 is located at the lower section of spectroscope 2, and the nozzle 5 is arranged on the jackshaft 13.The fixture 113
Do not connect with upper support frame installation portion 111.In the present embodiment, the cladding light beam 201 and preheating light beam 202 enclose to set and are formed with
Hollow no light zone 50, the nozzle 5 is located in hollow no light zone 50, in the present embodiment, because nozzle 5 is arranged on jackshaft 13
On, and in hollow no light zone 50, so, the laser multiple beam feeding cladding of the present embodiment and preheating device in light using sending
Material.The upper support frame 12 and lower bracing frame 11 are enclosed and set to form a cavity 14, and the reflection focus pack 3, spectroscope 2 are located at institute
State in cavity 14, the top of the upper support frame 12 is provided with incident beam opening 121.The fixture 113 and upper support frame
The annular hollow portion 115 passed through for preheating light beam 202 is formed between installation portion 111.The projection of the bearing rib 114 is located at
In the annular hollow portion 115, the bearing rib 2117 staggers with cladding light beam 201, preheating light beam 202.In the present embodiment
In, the bearing rib 114 is located in annular hollow portion 115, and the quantity of the bearing rib 114 is four, four bearing ribs 114
Annular hollow portion 115 is divided into four arcuate segments 1151, cladding light beam 201, preheating light beam 202 are each passed through four arcuate segments
1151.Because cladding light beam 201, preheating light beam 202 are each passed through four arcuate segments 1151, so, it is the cladding light beam 201, pre-
Hot light beam 202 does not intersect with support frame 1, therefore can prevent light loss.In other embodiments, the arcuate segments 1151 can be with root
According to demand, quantity is set.
Fig. 1 to Fig. 3 is referred to, in the present embodiment, the reflection focus pack 3 includes reflection focus lamp 31 and speculum
32, the reflection focusing surface 311 is formed on reflection focus lamp 31, and reflecting surface 321 is formed on speculum 32.The reflection is focused on
Area of the area in face 311 more than reflecting surface 321.In the present embodiment, the reflection relatively described spectroscope 2 of focusing surface 311
Axis (axis of the spectroscope 2 is coaxial with the axis of laser multiple beam feeding cladding and preheating device) inclination angle
The angle of inclination of the axis of the degree spectroscope 2 relative with the reflecting surface 321 is unequal.The reflection focus lamp 31 and anti-
Mirror 32 is penetrated to be arranged along the circumferencial direction of the axis of the spectroscope 2.The reflection focusing surface 311 of the reflection focus lamp 31 is thrown
The orthographic projection that the orthographic projection penetrated on the substrate 30, the reflecting surface 321 of speculum 32 are incident upon on the substrate 30 and support
The orthographic projection that gusset 114 is incident upon on the substrate 30 is staggered, and is set so as to realize cladding light beam 201, preheating by this kind of
Light beam 202 is shifted to install with bearing rib 114, and then cladding light beam 201, preheating light beam 202 are with bearing rib 114 mutually not
Interference.The reflection focus lamp 31 and speculum 32 are arranged circumferentially in the outside of the spectroscope 2.In the present embodiment, it is described
Focus lamp 31, the quantity of speculum 32 are two, and interval setting.Due to set focus lamp 31, the number of speculum 32
Amount is two, so, the cladding light beam 201 that is ultimately formed, preheating light beam 202 are two beams.In other embodiments,
The reflection focus lamp 31, speculum 32 can according to the actual requirements set other quantity.In order that obtain cladding, preheating uniformly, often
Described in bar preheat light beam 202 it is identical with the distance of the axis of the spectroscope 2, and with the axis institute shape of the spectroscope 2
Into corner dimension it is identical;Every the cladding light beam 201 is identical with the distance of the axis of the spectroscope 2, and with it is described
The corner dimension that the axis of spectroscope 2 is formed is identical.The circle of axis of the reflection focus lamp 31 along the spectroscope 2
Equidistantly it is uniformly distributed in circumferential direction, the speculum 32 is equidistantly equal along the circumferencial direction of the axis of the spectroscope 2
Even distribution.In the present embodiment, the reflection focus lamp 31 and speculum 32 prolong circumferencial direction of axis of the spectroscope 2 etc.
Spacing arranged for interval.For the ease of installing and safeguarding, the reflection focus lamp 31 and speculum 32 are respectively independent part.At this
In embodiment, the reflection focusing surface 311 is arcwall face, and the reflecting surface 321 is plane.Because reflection focusing surface 311 is arc
Shape face, so, part the reflected beams are by the light beam that the arcwall face 311 is reflected to form can be with cladding by the cladding of cladding material
Light beam 201, therefore can be to carrying out cladding by cladding material on base material 30;Because reflecting surface 321 is plane, therefore part reflected light
Beam is collimated light beam (preheating light beam 202) by the light beam that the plane 321 is reflected to form, and it does not have cladding effect, but its
Preheating can be played a part of, so it can be preheated to base material 30, by cladding material.
1, Fig. 2 and Fig. 7 is referred to, in the present embodiment, the spectroscope 2 is included along the axis of the spectroscope 2
The the first minute surface portion 21 and the second minute surface portion 22 arranged on circumferencial direction;The first minute surface portion 21 is incident upon on the substrate 30
Orthographic projection, the second minute surface portion 22 be incident upon orthographic projection on the substrate 30 and bearing rib projection on the substrate just
Projection is staggered.The receiving portion incident beam 10 of the first minute surface portion 21 simultaneously reflects the portions incident light beam 10 to form
One the reflected beams 401, first the reflected beams 401 are incident upon on the reflection focusing surface 311 and form the cladding with conversion
Light beam 201;The portions incident light beam 10 simultaneously is reflected to form second by the receiving portion incident beam 10 of the second minute surface portion 22
The reflected beams 402, second the reflected beams 402 are incident upon on the reflecting surface 321 and form the preheating light beam with conversion
201.The quantity in the first minute surface portion 21 is two, and the quantity in the second minute surface portion 22 is two.Two first mirrors
Face 21 and two the second minute surface portions 22 are formed on one piece of spectroscope (i.e. integral structure).Really, the first minute surface portion
21st, the second minute surface portion 22 can be respectively independent part.Unitary design can make the more compact structure of spectroscope 2, also allow for
Install;And Split type structure then contributes to follow-up maintenance, the cost changed and safeguard is saved.Really, such as Fig. 9, the spectroscope 2 " also
Can have the first minute surface portion 21 " and the first minute surface portion 22 ", the first minute surface portion 21 " simultaneously towards reflection focusing surface and reflection
Face.The angle of inclination of the axis of the first minute surface portion 21 " and spectroscope 2 " is more than 0 and less than 90 °, so, the first minute surface portion
21 " incident beam 10 can be received " and the reflected beams are formed, and then, the reflected beams are by reflecting focusing surface, reflective surface shape
Into cladding light beam and preheating light beam.Due to the second minute surface portion 22 " with spectroscope 2 " axis angle of inclination be 0, institute
So that it cannot receive incident beam 10 " and formed cannot the reflected beams, due to the second minute surface portion 22 " do not have an effect, institute
With, it is also possible to it is not provided with the second minute surface portion 22 ", and only set the first minute surface portion 21 ".Or, such as Figure 10, the spectroscope (non-label)
Can be a conical device, the first minute surface portion (non-label) is taper surface.
In the present embodiment, the circumference side of the axis of the reflection focus lamp 31 and speculum 32 along the spectroscope 2
Equidistantly it is intervally arranged upwards.Certainly, in other embodiments, the reflection focus lamp 31 and speculum 32 are along the spectroscope
Arranged on the circumferencial direction of 2 axis and reflected and arranged up and down in the short transverse of focus lamp 31 and speculum 32 along spectroscope 2
Cloth;During this kind of setting, corresponding spectroscopical first minute surface and the second minute surface can also along spectroscopical short transverse (this highly
Direction is direction shown in arrow a in Fig. 8, the short transverse of the short transverse and the laser melting coating feed device that can reduce light loss
Arranged up and down on unanimously), such as Fig. 8.In addition, in addition to the present embodiment, can be only wrong by the first minute surface, the second minute surface and bearing rib
Position is set, i.e.,:First minute surface portion projection orthographic projection, the projection of the second minute surface portion on the substrate is on the substrate
The orthographic projection that orthographic projection is projected on the substrate with bearing rib is staggered.In this kind of structure, reflection focusing surface, reflecting surface
Can be using the setting in the present embodiment, or reflection focusing surface, reflecting surface are annular horn-like structure.
Fig. 2 is referred to, cooling but medium circulation stream can be formed with the laser multiple beam feeding cladding and preheating device
The dynamic light line cooling system to lower the temperature to support frame as described above 1, spectroscope 2, reflection focus pack 3, so as to extend support frame 1, divide
The service life of light microscopic 2, reflection focus pack 3.
In sum:In sum, above-mentioned laser multiple beam feeding cladding and preheating device have the following advantages that:
1st, the reflected beams are converted into cladding by the cladding light of cladding material by reflecting focus lamp 31, speculum 32
Beam 201, it is used to preheat preheating light beam 202 by cladding material and/or base material 30, so as to realize two kinds of works of cladding simultaneously and preheating
Skill, wherein, by preheating by cladding material to improve cladding efficiency, by pre- hot substrate 30 reducing crucible zone thermal stress and reduction
The defect generation probability such as fire check;
2nd, an incident beam 10 is changed into cladding light beam 201, preheating light beam 202 simultaneously, so as to reduce overall chi
It is very little, make overall structure simple, contribute to reduces cost;
3rd, by reflecting the setting of focus lamp 31, speculum 32, can help to correct the reflection angle of the reflected beams, institute
Comparatively, even if deviation occur in the reflected beams, the position reality of focus lamp 31, speculum 32 can be also reflected by adjusting
Now correct, so, it has a larger range comprehension for the error in mounting position value of spectroscope 2;
4th, when the laser multiple beam feeding cladding and preheating device run, due to preheating light beam 202, by cladding material and
Position dimension will not change between cladding light beam 201, and it is synchronized with the movement with nozzle 5, so as to ensure that melting and coating process
Stabilization, is favorably improved clad layer surface quality and precision;
5th, because support frame 1 and incident beam 10, the reflected beams, cladding light beam 201, preheating light beam 202 stagger setting,
Can cause that the support frame 1 is not interfered with incident beam 10, the reflected beams, cladding light beam 201, preheating light beam 202, reduce light
The energy loss on road, improves capacity usage ratio.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of laser multiple beam feeding cladding and preheating device, are used to be melt incident beam conversion with the cladding on base material
Material is covered, the laser multiple beam feeding cladding and preheating device include support frame and the spectroscope being arranged on support frame as described above
With reflection focus pack, it is characterised in that the incident beam is converted into the reflected beams, the reflected beams by the spectroscope
Along the circumference reflection of spectroscopical axis, the reflection focus pack includes reflection focusing surface and reflecting surface, described anti-
Focusing surface and reflecting surface are penetrated towards spectroscope;The part the reflected beams reflection focusing is formed cladding by the reflection focusing surface
Light beam, the cladding light beam carries out cladding to form molten bath to spraying to base material by cladding material;The reflecting surface is by portion
The reflected beams are divided to reflect to form preheating light beam, the preheating light beam is pointed to pre- by cladding material above the base material
Heat, and/or the preheating light beam is preheated and slow cooling to the base material;Support frame as described above is equal with cladding light beam, preheating light beam
Stagger setting.
2. laser multiple beam feeding cladding as claimed in claim 1 and preheating device, it is characterised in that shape on support frame as described above
Into having for cladding light beam, the preheating hollow bulb that passes through of light beam.
3. laser multiple beam feeding cladding as claimed in claim 2 and preheating device, it is characterised in that support frame as described above includes
Lower bracing frame and the upper support frame being fixed in the lower bracing frame, the lower bracing frame include the upper support frame of structure in a ring
Installation portion, on the upper support frame installation portion upwards protrude out to be formed reflection focus pack installation portion, positioned at the upper support
The hollow interior fixture and the bearing rib of connection fixture and upper support frame installation portion of frame installation portion, the reflection focusing group
In a ring, the outside diameter of the upper support frame installation portion is more than the outside diameter of reflection focus pack installation portion to part installation portion,
The upper support frame is arranged on the upper support frame installation portion, and the reflection focus pack is arranged on the reflection focus pack
On installation portion, the spectroscope is fixed on fixture, and the fixture does not connect with upper support frame installation portion, and between the two
The hollow bulb passed through for the cladding light beam, preheating light beam is formed with, the projection of the bearing rib is positioned at described hollow
In portion, the bearing rib staggers with cladding light beam, preheating light beam.
4. laser multiple beam feeding cladding as claimed in claim 3 and preheating device, it is characterised in that the reflection focusing surface
Along the circumferencial direction of spectroscopical axis arrange, the reflecting surface along spectroscopical axis circumferencial direction
Upper arrangement, reflection focusing surface projection orthographic projection, reflecting surface projection orthographic projection on the substrate on the substrate
Stagger with bearing rib projection orthographic projection on the substrate.
5. laser multiple beam feeding cladding as claimed in claim 4 and preheating device, it is characterised in that the reflection focusing surface
Equidistantly it is uniformly distributed on circumferencial direction along spectroscopical axis, the reflecting surface is along spectroscopical axis
Circumferencial direction on be equidistantly uniformly distributed.
6. the laser multiple beam feeding cladding as described in claim 4 or 5 and preheating device, it is characterised in that the reflection gathers
Focal plane, reflecting surface interval setting;Or the reflection focusing surface, reflecting surface are arranged up and down.
7. the laser multiple beam feeding cladding as described in claim 4 or 5 and preheating device, it is characterised in that the reflection gathers
Focal plane, the reflecting surface are even number.
8. the laser multiple beam feeding cladding as described in claim 3 or 4 and preheating device, it is characterised in that the spectroscope
Including the first minute surface portion and the second minute surface portion that are arranged on the circumferencial direction along spectroscopical axis;First minute surface
Portion's projection orthographic projection on the substrate, the projection of the second minute surface portion orthographic projection on the substrate and bearing rib are incident upon
Orthographic projection on the substrate is staggered;The first minute surface portion receiving portion incident beam simultaneously reflects the portions incident light beam
To form the first the reflected beams, first the reflected beams are incident upon on the reflection focusing surface and form the cladding light with conversion
Beam;The portions incident light beam simultaneously is reflected to form the second the reflected beams, institute by the second minute surface portion receiving portion incident beam
State the second the reflected beams be incident upon on the reflecting surface with change form the preheating light beam.
9. laser multiple beam feeding cladding as claimed in claim 4 and preheating device, it is characterised in that the spectroscope has
First minute surface portion, the first minute surface portion simultaneously towards reflection focusing surface and reflecting surface, the first minute surface portion can receive into
Irradiating light beam simultaneously forms the reflected beams, and the reflected beams are changed to form cladding light beam, pre- respectively by reflecting focusing surface, reflecting surface
Hot light beam.
10. laser multiple beam feeding cladding as claimed in claim 1 and preheating device, it is characterised in that the reflection is focused on
Area of the area in face more than reflecting surface.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108070854A (en) * | 2017-12-12 | 2018-05-25 | 沈阳农业大学 | A kind of agricultural soil-engaging component plasma melting coating process easy to wear |
CN110405203A (en) * | 2018-04-17 | 2019-11-05 | 长沙嘉程机械制造有限公司 | Coaxial compound multiple laser+electric heating silk material deposition method |
CN111058029A (en) * | 2019-12-20 | 2020-04-24 | 东南大学 | Laser cladding head capable of simultaneously performing preheating tempering and laser cladding method thereof |
CN113770468A (en) * | 2021-08-27 | 2021-12-10 | 武汉锐科光纤激光技术股份有限公司 | Light beam welding apparatus, method, device, storage medium, and electronic device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108070854A (en) * | 2017-12-12 | 2018-05-25 | 沈阳农业大学 | A kind of agricultural soil-engaging component plasma melting coating process easy to wear |
CN110405203A (en) * | 2018-04-17 | 2019-11-05 | 长沙嘉程机械制造有限公司 | Coaxial compound multiple laser+electric heating silk material deposition method |
CN111058029A (en) * | 2019-12-20 | 2020-04-24 | 东南大学 | Laser cladding head capable of simultaneously performing preheating tempering and laser cladding method thereof |
CN113770468A (en) * | 2021-08-27 | 2021-12-10 | 武汉锐科光纤激光技术股份有限公司 | Light beam welding apparatus, method, device, storage medium, and electronic device |
CN113770468B (en) * | 2021-08-27 | 2022-05-27 | 武汉锐科光纤激光技术股份有限公司 | Light beam welding apparatus, method, device, storage medium, and electronic device |
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