CN107675162A - Freely-configured universal electric and magnetic composite field laser cladding auxiliary device and method - Google Patents
Freely-configured universal electric and magnetic composite field laser cladding auxiliary device and method Download PDFInfo
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- CN107675162A CN107675162A CN201711070111.XA CN201711070111A CN107675162A CN 107675162 A CN107675162 A CN 107675162A CN 201711070111 A CN201711070111 A CN 201711070111A CN 107675162 A CN107675162 A CN 107675162A
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- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004372 laser cladding Methods 0.000 title claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 68
- 230000005684 electric field Effects 0.000 claims abstract description 52
- 238000005253 cladding Methods 0.000 claims abstract description 50
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000000576 coating method Methods 0.000 claims description 28
- 238000009413 insulation Methods 0.000 claims description 28
- 238000002844 melting Methods 0.000 claims description 28
- 230000008018 melting Effects 0.000 claims description 28
- 239000011248 coating agent Substances 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 26
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- 230000008859 change Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000005612 types of electricity Effects 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 18
- 230000001413 cellular effect Effects 0.000 description 15
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- 239000000919 ceramic Substances 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 6
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- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011162 core material Substances 0.000 description 4
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- 239000000843 powder Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000960 laser cooling Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 229910045601 alloy Inorganic materials 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
-
- 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
-
- 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
-
- 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
-
- 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
- C23C24/106—Coating with metal alloys or metal elements only
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a freely-configured universal electric and magnetic composite field laser cladding auxiliary device and a method, wherein a clamping component and an electric field generating component are integrated into a whole, a magnetic field generating device based on an electromagnet is adopted, not only can the clamping and fixing of various parts be realized, but also the position of a cladding matrix in a magnetic field can be adjusted, an integrated constant-current power supply is used for supplying power to the electric field and the magnetic field generating device of the device, the accurate control of the size of an electric and magnetic composite field is realized, not only can various single magnetic fields/electric fields be generated, but also composite fields which are mutually coupled between various electromagnetic fields such as a stable magnetic field, an alternating magnetic field, a pulse magnetic field and the like and various current fields such as a direct current electric field, an alternating electric field, a pulse electric field and the like can be generated, different Lorentz forces such as the constant, the alternating, the pulse and the like can be generated, effectively controls the convection condition of metal fluid in the cladding layer and provides conditions for preparing excellent cladding layer in laser cladding.
Description
Technical field
The present invention relates to a kind of general electricity, magnetic Composite Field laser melting coating servicing unit and method freely configured.
Background technology
Laser melting and coating technique is to place selection in matrix surface with the adding material mode such as synchronous powder feeding system method or fore-put powder method
Cladding layer material, after laser irradiates, the luminous energy that material absorbs is converted to heat energy, makes cladding layer melt material, in workpiece table
Face produces molten bath, and quick cooled and solidified forms the face coat with matrix material in metallurgical binding, so as to significantly improve matrix
The process of surface property.
However, laser melting coating is quick heating, a process for quick cooled and solidified, the heat of cladding material and matrix material
It is poor that physical difference causes to form very big thermograde between cladding material and base material so that is easily formed and split in cladding layer
The bad defect such as line, stomata.Existing document shows that electricity, magnetic servicing unit are advantageous to refinement and uniform laser microstructure of surface cladding layer, energy
The stress concentration phenomenon in laser cladding process is reduced, strengthens the bond strength of binding material and cladding material, to a certain degree
The defects of crackle in upper improvement laser cladding layer, stomata.
But it is existing electricity, often function is single for magnetic laser melting coating servicing unit, performance-adjustable is poor, can only produce specific
Electricity, magnetic Composite Field, or single electric field/magnetic field can only be produced, and poor universality, no clamping device, or can only be to specific
Cladding part carry out simply fixed, so considerably increase cost and the time of experiment and production, influence to test and produce
Progress.
The A of Patent No. CN 104195541 Chinese invention patent discloses a kind of compound field coordination laser of electricity-magnetic and melted
The method and apparatus covered, the device provides magnetic field using both sides for magnetic, low-voltage, high-current provides electric field, but the device magnetic field,
Electric field generation device is too simple, can only produce specific electricity-magnetic Composite Field, and caused electricity-magnetic Composite Field can adjust
Poor performance, no clamping device, part can not be fixed, no lifting and moving device, it is compound in electricity-magnetic that part can not be adjusted
The position of field.
It is compound for electricity-magnetic of magnetic that the A of Patent No. CN 106567072 Chinese invention patent discloses a kind of permanent magnet
Field coordination laser cladding apparatus, the device provide magnetic field using permanent magnet, and the direction of adjustable magnetic fields and size, matrix can be realized
The conversion of mobile and multi-angle, but the device, due to supplying magnetic using permanent magnet, magnetic field size is unable to accurate adjustment, produces magnetic field class
Type is single, and due to providing electric field using single power supply, generation type of electric field is relatively single, and both ends thin-wall part with holes can only be entered
Row is simple fixed, no clamping device, it is impossible to realizes the fixation to various parts.
It is compound that the A of Patent No. CN 105714284 Chinese invention patent discloses a kind of ultrasonic vibration-electromagnetic agitation
The method and apparatus of energy field auxiliary laser cladding, the device are provided magnetic field using electromagnet, controlled using single-chip microcomputer, magnetic field can
Realize more accurate regulation, but the electromagnet uses two cuboid-type iron cores, is separated from each other between iron core, the magnetic line of force without
Method is complementary to one another, and causes magnetic field intensity to lose, and the fixed form of the apparatus parts is screwed for feature bottom, is needed before cladding
Extra process is carried out to cladding part, adds time and cost.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of general electricity, the magnetic Composite Field laser melting coating that freely configure are auxiliary
Device and method is helped, hold assembly and electric field generation part are integrated in one by the present invention, are sent out using the magnetic field based on electromagnet
Generating apparatus, it can not only realize and multiple types part is gripped, moreover it is possible to adjust position of the cladding matrix in magnetic field, and with
Integrated constant-current supply pairing device electric field and field generator for magnetic power supply, realizes the accurate control to electricity, magnetic Composite Field size, no
A variety of single magnetic/electric fields can only be produced, additionally it is possible to produce the multiple types such as steady magnetic field, alternating magnetic field, pulsed magnetic field electricity
The Composite Field to be intercoupled between the multiple types current field such as magnetic field and DC electric field, alternating electric field, impulse electric field, and perseverance can be generated
Different types of Lorentz forces such as fixed, alternation, pulse, realize a tractor serves several purposes, have largely saved cost and time, so as to
A variety of feasible methods are provided, efficiently control the convection current situation of metal fluid in cladding layer, to be prepared in laser melting coating
Excellent cladding layer provides condition.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured, including magnetic field generation part, energization folder
Part, lifting moving part and integrated constant-current supply group are held, the integrated constant-current supply group includes DC constant flowing power, exchange perseverance
Stream power supply and pulse constant current power supply, the lifting moving part are moved along x, y and z direction, drive cladding substrate motion to arrive
Specified location, the energization hold assembly grip in laser cladding process to cladding matrix, by integrating Constant Electric Current
Source group provides electric energy, applies direct current, exchange or/and impulse electric field to specified location, the magnetic field generation part is in laser melting coating
Process, the electric energy that integrated constant-current supply group provides is converted into magnetic field energy, applies steady magnetic field, alternating magnetic field to specified location
Or/and pulsed magnetic field, realize freely the configuring of the electric field in laser cladding process and magnetic field, be compound with control.
The blessing part that is powered includes two clamping parts, matrix base, locking member and movable guiding rail, described matrix base
It is arranged between two clamping parts, matrix base upper end is provided with insulating barrier, and the clamping part can be moved along movable guiding rail, changed
Become the relative position with matrix base, the relative distance fixed by locking member between two clamping parts, set with firm clamping
In the cladding matrix on matrix base.
Further, clamping part is energization head, and conducting strip, ceramics are disposed with from outside to inside inside each clamping part
Piece, heat shield, epoxy plate and earthenware, each integrated constant-current supply group of conducting strip connection.
Certainly, clamping part can be replaced with other by those skilled in the art under the enlightenment of the operation principle of the present invention
Setting inside material or change clamping part, such as removes thermal insulation board, or potsherd is replaced with into silicon carbide plate etc., and these are equal
It is to carry out the conventional of technical scheme under the enlightenment of the present invention to replace or change bad or improve, the protection model of the present invention ought to be belonged to
Enclose.
Further, the insulating barrier includes potsherd, heat shield and the epoxy plate laid successively from top to bottom.
Certainly, insulating barrier can be replaced with other by those skilled in the art under the enlightenment of the operation principle of the present invention
Material or the quantity of increase/reduction/change insulating barrier and order, such as replace with rubber blanket, or two layers of epoxy plate of increase or ceramics
Piece, preferably to play insulating effect, these belong to the conventional substitute mode of this area, ought to belong to the protection model of the present invention
Enclose.
Further, the locking member includes fixing nut and rotating threaded shaft, and the rotating threaded shaft drives and is fixed on difference
Clamping part on sliding bearing is moved, and changes the distance of two clamping parts, fixing nut acts on rotating threaded shaft, with fixation
The relative position of two clamping parts, realize and stable clamping force is formed between two clamping parts.
Certainly, those skilled in the art can be under the enlightenment of the operation principle of the present invention, using other retaining mechanisms, such as
Linkage, pin framework, ratchet mechanism etc., as long as the relative position for changing two clamping parts can be realized, and specifying
Two clamping parts are locked during position, the conventional replacement of this area is belonged to, can also reach the effect of the present invention, therefore, ought to
Belong to protection scope of the present invention.
Module, which occurs, for the magnetic field includes matrix integral type iron core, is coated with insulating materials on iron core, is stained with iron core head
Insulating trip, bottom are lined with thermal insulation board, and the both sides of matrix integral type iron core are wound with electromagnetic field generating coil, and coil both ends are all accessed
Line terminals, to connect integrated constant-current supply group.
Further, the iron core is magnetic conductive material, and the bottom of iron core connects, and forms line of magnetic induction loop.
Further, the electromagnetic field generating coil is spiral wound mode.
Further, the core ends are stained with insulating trip, and bottom is lined with thermal insulation board.
A kind of general electricity freely configured, magnetic Composite Field laser melting coating system, including laser melting coating part and above-mentioned auxiliary
Device, the servicing unit are arranged at the lower end of the laser head of laser melting coating part, carry out electric field and magnetic in laser cladding process
Freely configuring, being compound with controlling for field, realizes matrix surface performance boost.
Method of work based on said apparatus, comprises the following steps：
Cladding matrix is put into energization hold assembly and gripped, position of the regulation cladding matrix in magnetic field,
Select magnetic field to occur that constant-current supply occurs with electric field, determine different types of electricity, magnetic Composite Field or single electric field according to demand
Or/and magnetic field, regulation power supply size, start cladding after adjusting laser parameter, integrated Constant Electric Current is closed successively after completing cladding
After the group power supply of source, energization hold assembly is unclamped, cladding matrix is taken out.
Compared with prior art, beneficial effects of the present invention are：
(1) aluminium alloy screw thread hold assembly and electric field generation part are integrated in one by energization hold assembly of the invention,
The clamping to various shapes part can not only be realized, enhances the versatility of device, when reducing experiment and the clamping to work
Between, moreover it is possible to realize electric field region control within the specific limits, enhance electric-field intensity, avoid caused by current spread
The situation that electric-field intensity declines；
(2) the magnetic field generation part based on electromagnet principle uses matrix integral type iron core, mandrel bottom connection, forms magnetic
Sense line loop, caused magnetic field intensity is multiplied, moreover it is possible to which magnetic field caused by making is accurately adjustable, improves device
Tunable performance, greatly enhance its performance；
(3) lifting moving part is separated from each other with magnetic field generation part, can adjust cladding by mobile energization hold assembly
Position of the matrix in magnetic field, so as to probe into the influence different to cladding matrix of different magnetic field position, to meet different demands
Experiment, add the universal performance of device；
(4) integrated constant-current supply group parts are used to enable devices to produce multiple types list for current field and power supplying of electromagnetic field
One electric field/magnetic field, and multiple types electricity, magnetic Composite Field, many of class electricity, magnetic Composite Field can also produce different types of long-range navigation
Hereby power, such as constant Lorentz force, alternation Lorentz force, pulse Lorentz force, enables devices to reach a tractor serves several purposes, improves it
The scope of application.
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 device overall structure figure of the present invention；
Fig. 2 is the energization hold assembly structure chart of the present invention；
Fig. 3 is the multi-layer combined safe energization header structure figure of the present invention；
Fig. 4 is the lifting moving part structure diagram of the present invention；
Fig. 5 is the three-layer combined mobile panel structure figure of drum of the present invention；
Fig. 6 is the magnetic field generation part structure chart of the present invention；
Wherein：100. laser head；200. optical fiber；300. laser cooling devices；400. airway tube；500. laser generator；
600. protective gas devices；700. aluminium alloy screw thread hold assemblies；Wire occurs for 800. electric fields；900. top supporting frame；1000.
Bottom bracket upper end insulation board；1100. bottom bracket lower end insulation boards；1200. bottom bracket；1300. small-sized screw thread lifting platforms；
The three-layer combined mobile insulation board of 1400. drum；1500. flexible guide rod；1600. insulate fixed block；Line occurs for 1700. magnetic fields
Circle；1800. wire；1900. exchange constant-current supply；2000. DC constant flowing power；2100. pulse constant current power supply；2200. wiring
Terminal；2300. matrix integral type iron cores；2400.T mold base insulator foot；2500. cladding matrix；2600. multi-layer combined peace
All-pass dateline；
701. anterior cellular type fuselages；702. cylindrical guide；703. middle part cellular type fuselages；704. rear portion cellular type fuselages；705.
Fixing nut；706. rotating threaded shaft；707. screwed hole；708. sliding bearing；2401. three-layer combined felt pad；2402.T type
Matrix base；2403. aluminium oxide ceramics bolt；Wire occurs for 800. electric fields；
2601. conductive copper sheet；2602. band centre bore potsherds；2603. band centre bore heat shields；2604. with centre bore
FR-4 epoxy plates；2605. hollow ceramic pipe；2606. conductive copper sheet bolt fixing hole；2607. 3-layer composite material bolts are fixed
Hole；
901. top supporting frame fixing screws；902. top supporting frame skeletons；1301. small-sized screw thread lifting platforms fix spiral shell
Nail；1302. small-sized screw thread lifting platform bottoms；The three-layer combined mobile insulation board of 1400. drum；1501. flexible guide rod bottoms
Fixed seat；1502. flexible guide rod slippers；1503. flexible guide rod top fixed seats；
1401.FR-4 epoxy plate；1402. heat shield；1403. potsherd；The ellipse of 1404. hold assemblies slides
Groove；1405. 3-layer composite material bolt fixing hole；The ellipse of 1406.T mold base insulator foots slides chute；
1000. bottom bracket upper end insulation boards；1100. bottom bracket lower end insulation boards；1200. bottom bracket；1700. magnetic
Coil occurs for field；1800. wire；2200. binding post；2301. core insulation fixed block；2302. insulation fixed blocks fix spiral shell
Bolt；2303. thermal insulation board；2304. matrix integral type iron cores；2305. insulating trip.
Embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
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.
In the present invention, term as " on ", " under ", "left", "right", "front", "rear", " vertical ", " level ", " side ",
The orientation or position relationship of instructions such as " bottoms " are based on orientation shown in the drawings or position relationship, only to facilitate describing this hair
Bright each part or component structure relation and the relative determined, not refer in particular to either component or element in the present invention, it is impossible to understand
For limitation of the present invention.
In the present invention, term such as " affixed ", " connected ", " connection " should be interpreted broadly, and expression can be fixedly connected,
Can also be integrally connected or be detachably connected；Can be joined directly together, can also be indirectly connected by intermediary.For
The related scientific research of this area or technical staff, the concrete meaning of above-mentioned term in the present invention can be determined as the case may be,
It is not considered as limiting the invention.
As background technology is introduced, electricity in the prior art be present, often function is single for magnetic laser melting coating servicing unit,
Performance-adjustable is poor, can only produce specific electricity, magnetic Composite Field, or can only produce single electric field/magnetic field, and poor universality,
Without clamping device, or specific cladding part can only be carried out simply fixing, add cost and the time of experiment and production,
The deficiency of the progress of experiment and production is influenceed, in order to solve technical problem as above, present applicant proposes one kind based on the folder that is powered
Hold power supply and the electromagnet general electricity of polymorphic type, magnetic Composite Field laser melting coating servicing unit for magnetic.
In a kind of typical embodiment of the application, as shown in figure 1, including magnetic field generation part, energization hold assembly,
Lifting moving part and integrated constant-current supply group parts.Magnetic field generation part includes matrix integral type iron core, thermal insulation board, insulation
Piece, core insulation fixed block, insulation board, bottom bracket, electromagnetic field generating coil, wire, binding post etc.；Energization hold assembly bag
Aluminium alloy screw thread hold assembly and electric field generation part are included, aluminium alloy screw thread hold assembly includes cellular type fuselage, cylindrical guide, cunning
Dynamic bearing, feed screw nut, T-shaped matrix base, three-layer combined felt pad etc., electric field generation part include multi-layer combined safety
Wire, binding post etc. occur for energization head, electric field；Lifting moving part includes the three-layer combined mobile insulation board of drum, top
Support frame, small-sized screw thread lifting platform, flexible guide rod etc.；Integrated constant-current supply group parts include wire, DC constant flowing power, friendship
Flow constant-current supply, pulse constant current power supply and other power supplys etc..
It is used in conjunction with each other with laser melting coating part.Wherein laser melting coating part includes laser cooling device, laser occurs
Device, protective gas device, laser head, optical fiber, airway tube etc., use existing laser melting coating part.
As shown in fig. 6, magnetic field generation part is located at the underface of laser head, matrix integral type iron core is ingot iron/silicon
Steel disc or other permeability magnetic materials, insulated paint is coated with iron core, insulating trip is stained with iron core head, bottom is lined with thermal insulation board, by iron
Core insulation fixed block is bolted on bottom bracket by aluminium oxide ceramics, and bottom bracket both sides are equipped with insulation board, by screw
It is fixed on bottom bracket, electromagnetic field generating coil is spiral enamel covered wire, is wrapped in the both sides of matrix integral type iron core,
Binding post is all accessed at enamel covered wire both ends；
As shown in Fig. 2 energization hold assembly is located at the underface of laser head and the middle part of magnetic field generation part, aluminium alloy spiral shell
Three aluminium alloy cellular type fuselages of line hold assembly are fixed together by two cylindrical guides by trip bolt, and feed screw nut leads to
Cross screw to be connected with middle part cellular type fuselage and rear portion cellular type fuselage, T-shaped matrix base is located at anterior cellular type fuselage and middle part cellular type
Between fuselage, upper end face is fixed with three-layer combined felt pad by aluminium oxide ceramics bolt, three-layer combined felt pad by
The material of top to bottm is followed successively by potsherd, heat shield, FR-4 epoxy plates, and electric field generation part is integrated in the front hole of hold assembly
On formula fuselage and middle part cellular type fuselage, as shown in figure 3, multi-layer combined safe energization head be followed successively by from outside to inside conductive copper sheet,
Band centre bore potsherd, band centre bore heat shield, band centre bore FR-4 epoxy plates, hollow ceramic pipe, pass through aluminium oxide ceramics spiral shell
Bolt and trip bolt are fixed on anterior cellular type fuselage and middle part cellular type fuselage, and one end of copper conductor is welded on multi-layer combined peace
On the conductive copper sheet of all-pass dateline, the other end accesses binding post after passing through the centre bore in multi-layer combined safe energization head；
As shown in figure 4, lifting moving part is located at below energization hold assembly, band ellipse is housed sliding in top supporting frame
The three-layer combined mobile insulation board of drum of groove, material is consistent with three-layer combined insulation cushion material, passes through aluminium oxide ceramics spiral shell
Bolt is connected with energization hold assembly, and aluminium oxide ceramics bolt can be in the oval chute in the three-layer combined mobile insulation board of drum
Middle slip, energization hold assembly is moved adjustment in fore-and-aft direction, two small-sized spiral shells are housed among lifting moving part
Line lifting platform, upper end are connected by screw with top supporting frame, the bottom bracket phase that lower end passes through screw and magnetic field generation part
Even, surrounding is used to be oriented to fixation equipped with four flexible guide rods, and flexible guide rod upper end is connected by screw with top supporting frame,
Lower end is connected by screw with the bottom bracket of magnetic field generation part, by rotating two small-sized screw thread lifting platforms, is led flexible
To under the guiding of bar, energization hold assembly is set to move adjustment in above-below direction, so as to by adjusting the clamping that is powered
Part it is front and rear, move up and down, effectively adjust position of the cladding matrix in magnetic field.
Another embodiment of the invention, lifting moving part can select existing xyz three-dimensional movement platforms.
Integrated constant-current supply group parts are located at the side of device, and inside is placed with multiple different types of constant-current sources, and more are led
One end of line connects different constant-current sources respectively, and the other end is respectively connected to electric field in magnetic field generation part and energization hold assembly and occurred
The binding post of part, so as to provide polytype generation power supply for device, produce polymorphic type electricity, magnetic Composite Field and polymorphic type
Lorentz force, effectively controls the convection current situation of metal fluid in cladding layer, and the cladding layer to prepare excellent provides condition.
Electric field is provided using energization hold assembly, according to energization principle, aluminium alloy screw thread hold assembly and electric field are occurred
Part is integrated in one, due to being equipped with three-layer combined felt pad on the T-shaped matrix base of energization hold assembly, cellular type fuselage it
Between multi-layer combined safe energization head is housed, so to matrix apply electric field while, can by field regime control certain
Region, overall energization hold assembly will not be made powered, avoid the situation for causing electric-field intensity to decline because of current spread, while root
According to screw thread self-locking principle, aluminium alloy screw thread hold assembly can realize the clamping to most cladding parts, so device is optional
By the use of the part of most of shape as cladding matrix, such as cylindrical type, triangle, trapezoidal, without being limited by part shape, and
Without carrying out extra processing, due to energization hold assembly being integrated in one, so by changing input power, electric field is produced
Size and species it is all accurate adjustable, the size of input power is adjustable in 0-10A, and producing the species of electric field has DC electric field, hands over
Flow electric field, impulse electric field etc.；
The present invention provides magnetic field using electromagnet generation part, according to electromagnetic induction principle, using matrix integral type iron core,
Core material selects ingot iron/silicon steel sheet or other permeability magnetic materials, mandrel bottom connection, forms line of magnetic induction loop, makes production
Raw magnetic field intensity is multiplied, and because magnetic field generation part is based on electromagnet principle, so by changing input power, produces
The size and species in magnetic field are all accurate adjustable, and the size of input power is adjustable in 0-10A, and the size for producing magnetic field intensity exists
0.01T -1T is adjustable, and producing magnetic field species has steady magnetic field, alternating magnetic field, pulsed magnetic field etc.；
Position of the device using lifting moving part regulation cladding matrix in magnetic field, because magnetic field generation part is fixed on
On bottom bracket, matrix is fixed on energization hold assembly, then can be three-layer combined in drum by sliding energization hold assembly
Front and back position on mobile insulation board ellipse chute, front and back position of the regulation matrix in magnetic field, front and rear adjustable range are
0mm -50mm, under the guiding of flexible guide rod, it can be made whole by the small-sized screw thread lifting platform in rotation and lifting moving parts
Individual energization hold assembly moves up and down, upper-lower position of the accurate adjustment matrix in magnetic field, upper and lower adjustable range be 0mm-
30mm, thus by before and after adjusting energization hold assembly, move up and down, position of the cladding matrix in magnetic field can be efficiently controlled
Put.
Device uses integrated constant-current supply group parts to provide constant-current supply for current field and electromagnetic field, includes a variety of constant currents
Source, for constant-current source using the control of the circuits such as single-chip microcomputer, every kind of specification is 60V, 10A, by rotary knob, can adjust DC constant current power supply
Voltage, electric current etc., the voltage of AC constant-current source, electric current, frequency etc., the voltage of pulsed constant current supply, electric current, dutycycle etc., lead to
Cross and be integrated in one, so as to realize the coupling between multiple types current field and multiple types electromagnetic field, and form polytype Lip river
Lun Zili, such as constant Lorentz force, alternation Lorentz force, pulse Lorentz force, the versatility of device is improved, reduces experiment
The time of production and cost.
Concrete operation method is：
First select cladding matrix, this using 40mm × 70mm × 40mm No. 45 steel of cuboid as cladding matrix as
Example, but 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 take out, after cooling using self-control powdering frame and absolute ethyl alcohol Ni base alloy powders are preset in matrix table
Face, pre-set thickness 1mm；
Then, on T-shaped insulating body base matrix being put into energization hold assembly after absolute ethyl alcohol volatilization, rotation
The leading screw of aluminium alloy screw thread hold assembly, enable aluminum alloy to cellular type fuselage in the middle part of anterior cellular type fuselage and aluminium alloy and closed with cladding matrix
Hold together, matrix is fixed on energization hold assembly；
Next, position of the regulation cladding matrix in magnetic field, compound in three layers of drum by sliding energization hold assembly
Front and back position on formula movement insulation board ellipse chute, front and back position of the regulation matrix in magnetic field, is moved by rotation and lifting
Small-sized screw thread lifting platform in dynamic component, upper-lower position of the regulation matrix in magnetic field；
Afterwards, select magnetic field to occur that constant-current supply occurs with electric field, determine different types of electricity, magnetic Composite Field according to demand
Or single electric field/magnetic field, because device is integrated with multiple constant-current supplies, by selecting in integrated constant-current supply group parts not
Same wire, after being respectively connected to the binding post of magnetic field and electric field, open switch, regulation power supply size；
Finally, cladding is started after adjusting laser parameter, laser power 1800W, sweep speed 360mm/min, hot spot are straight
Footpath 4mm, protective gas are nitrogen, and laser generator, protective gas device, integrated constant-current supply group are closed successively after completing cladding
After power supply, energization hold assembly is unclamped, cladding matrix is taken out.
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.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured, it is characterized in that：Including magnetic field generating unit
Part, energization hold assembly, lifting moving part and integrated constant-current supply group, the integrated constant-current supply group include direct current Constant Electric Current
Source, exchange constant-current supply and pulse constant current power supply, the lifting moving part are moved along x, y and z direction, drive cladding base
Body moves to specified location, and the energization hold assembly grips, by collecting in laser cladding process to cladding matrix
Electric energy is provided into constant-current supply group, applying direct current, exchange or/and impulse electric field, the magnetic field generation part to specified location exists
Laser cladding process, the electric energy that integrated constant-current supply group provides is converted into magnetic field energy, applies steady magnetic field to specified location, hand over
Varying magnetic field or/and pulsed magnetic field, realize freely the configuring of the electric field in laser cladding process and magnetic field, be compound with control.
2. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 1, its feature
It is：The blessing part that is powered includes two clamping parts, matrix base, locking member and movable guiding rail, and described matrix base is set
Between two clamping parts, matrix base upper end is provided with insulating barrier, and the clamping part can move along movable guiding rail, change with
The relative position of matrix base, the relative distance fixed by locking member between two clamping parts, base is arranged at firm clamping
Cladding matrix on body base.
3. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 2, its feature
It is：Clamping part is energization head, and conducting strip, potsherd, heat shield, epoxy plate are disposed with from outside to inside inside each clamping part
And earthenware, each integrated constant-current supply group of conducting strip connection.
4. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 2, its feature
It is：The insulating barrier includes potsherd, heat shield and the epoxy plate laid successively from top to bottom.
5. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 2, its feature
It is：The locking member includes fixing nut and rotating threaded shaft, and the rotating threaded shaft drives the folder being fixed on different sliding bearings
The portion of holding is moved, and changes the distance of two clamping parts, fixing nut acts on rotating threaded shaft, to fix the phase of two clamping parts
To position, realize and form stable clamping force between two clamping parts.
6. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 1, its feature
It is：
Module, which occurs, for the magnetic field includes matrix integral type iron core, is coated with insulating materials on iron core, insulation is stained with iron core head
Piece, bottom are lined with thermal insulation board, and the both sides of matrix integral type iron core are wound with electromagnetic field generating coil, and terminals are all accessed at coil both ends
Son, to connect integrated constant-current supply group.
7. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 6, its feature
It is：The iron core is magnetic conductive material, and the bottom of iron core connects, and forms line of magnetic induction loop；
The electromagnetic field generating coil is spiral wound mode.
8. a kind of general electricity, magnetic Composite Field laser melting coating servicing unit freely configured as claimed in claim 1, its feature
It is：The core ends are stained with insulating trip, and bottom is lined with thermal insulation board.
9. a kind of general electricity freely configured, magnetic Composite Field laser melting coating system, it is characterized in that：Including laser melting coating part and such as
Servicing unit any one of claim 1-8, the servicing unit are arranged under the laser head of laser melting coating part
End, freely the configure of electric field and magnetic field in laser cladding process, compound and control is carried out, realizes matrix surface performance boost.
10. based on the method for work of system as claimed in claim 9, it is characterized in that：Comprise the following steps：
Cladding matrix is put into energization hold assembly and gripped, position of the regulation cladding matrix in magnetic field, selection
Magnetic field occurs and constant-current supply occurs for electric field, determine according to demand different types of electricity, magnetic Composite Field or single electric field or/and
Magnetic field, regulation power supply size, start cladding after adjusting laser parameter, integrated constant-current supply group electricity is closed successively after completing cladding
Behind source, energization hold assembly is unclamped, cladding matrix is taken out.
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|---|---|---|---|
| CN201711070111.XA CN107675162A (en) | 2017-11-03 | 2017-11-03 | Freely-configured universal electric and magnetic composite field laser cladding auxiliary device and method |
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|---|---|---|---|
| CN201711070111.XA CN107675162A (en) | 2017-11-03 | 2017-11-03 | Freely-configured universal electric and magnetic composite field laser cladding auxiliary device and method |
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| CN111501039A (en) * | 2020-05-21 | 2020-08-07 | 湘潭大学 | Multi-physical-field auxiliary laser cladding device |
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