CN107052597A - A kind of method for laser welding and device for making up dissimilar metal welding line bath temperature difference - Google Patents
A kind of method for laser welding and device for making up dissimilar metal welding line bath temperature difference Download PDFInfo
- Publication number
- CN107052597A CN107052597A CN201611187233.2A CN201611187233A CN107052597A CN 107052597 A CN107052597 A CN 107052597A CN 201611187233 A CN201611187233 A CN 201611187233A CN 107052597 A CN107052597 A CN 107052597A
- Authority
- CN
- China
- Prior art keywords
- temperature
- welding
- heat
- module
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
Abstract
The invention discloses a kind of dissimilar metal welding line tissue controllable method for laser welding and device, belong to laser welding field.The present invention realizes the compensation to bath temperature difference using the heat-conducting padding plate that a temperature adjustable is respectively installed under dissimilar metal workpiece.Apparatus of the present invention include：Laser welding module, protective gas module, three-dimensional motion control platform, intelligent temperature control frock module, real-time monitoring of computer module.The heat-conducting padding plate of intelligent temperature control frock module is arranged in three-dimensional motion control platform, and laser welding module is used for workpiece welding and provides thermal source.Protective gas is used to provide gas shield when welding, and the heat-conducting padding plate of described intelligent temperature control frock module is arranged in three-dimensional motion control platform, and temperature and speed for fusing and the solidification of weld metal zone material in welding process are controlled.For the physico-chemical property of material, fusing and solidification in welding process for foreign material provide the temperature-compensating of differentiation, and then obtain the tissue of excellent performance.
Description
Technical field
The present invention relates to laser welding field, more specifically to making up, dissimilar metal welding line bath temperature is poor to swash
Photocoagulation method and apparatus.
Background technology
Welding technique is the important way of material connection.The technique of welding is numerous, existing traditional electric resistance welding and arc welding
Connect, also there is new electron beam weldering, friction welding (FW) stirring weldering and Laser Welding.Laser welding have technological parameter controllability it is good, welding
The advantages of joint depth-to-width ratio is big, weld heat-affected zone is small, processing flexibility is high.Therefore, in recent years in microelectronics, auto industry, boat
The industries such as empty aerospace industry are progressively applied.
Along with the development of engineering technology, the requirement more and more higher to the material with particular functionality, foreign material connects
Connect and progress into engineer applied field.During different-metal material welding, because the physico-chemical property difference of metal is big, tend to form crisp
The metallic compound phase of property, if the species and thickness of this brittlement phase can not be well controlled, intermetallic compounds layer meeting
Seriously undermine the mechanical property of welding point, it is difficult to form the reliable welding point of high-quality.Patent No.
The method of brittlement phase in a kind of regulation and control titanium/aluminum dissimilar metal friction stir weldings of CN201510241538.6, its principle is logical
Cross addition zinc-base intermediate layer and introduce the third alloying element, obstruct the direct contact of titanium/aluminium atom, and then disturb Ti-Al systems crisp
The generation of property phase.During agitating friction weldering it is difficult to ensure that titanium/aluminium atom does not contact generation brittlement phase all the time, transition elements is drawn
Membership causes the decay resistance of weld seam to decline.The flash welding welding side of Patent No. CN201310694426.7 dissimilar metals
Method, it uses flash welding welding procedure to weld dissimilar metal, needs to melt part by reducing refractory metal
Quality and size carry out welding preceding preheating to refractory metal, so that heat is averagely allocated to be welded when carrying out flash welding
The dissimilar metal connect can also make dissimilar metal synchronously reach melting temperature.By controlling the quality and size of refractory metal often
Limited by joint form, cost of implementation is higher；Common fusing is realized by the method for preheating, it is higher to technological requirement.
During the welding of the different metal materials of high-melting-point difference, when there is welding temperature and reaching a kind of boiling point of material, and
Another material is also unfused, often results in low melting material loss seriously, the defects such as Welding bead subsidence and stomata occurs.High-melting-point
The welding of the different metal materials of difference is a big technical barrier.Want to obtain the reliable different-metal material welding joint of high-quality, just
Excellent seam organization and suitable intermetallic compound is needed, the mechanical property of welding point is just can guarantee that.Control weld seam group
One of important way with intermetallic compound is knitted, when being exactly control welding, heat input, weld seam temperature and the cooling speed of weld seam
Degree.But the physico-chemical property difference of dissimilar metal is big, it is difficult to realize two kinds of materials while melting and solidifying at a suitable temperature,
Therefore the weld seam bath temperature difference required for different materials carries out temperature-compensating, fusing and solidification to weld metal zone metal
Process is intervened, and obtains the welding point of function admirable.
The content of the invention
The purpose of the present invention is directed to during different-metal material welding, single due to the physical characteristic difference of dissimilar metal
Thermal source is inputted and cooler environment make it that the seam organization of dissimilar metal is uneven, and the species and thickness of metal gold compound are difficult to control
The deficiency of system, devises the laser welding system for making up dissimilar metal welding line bath temperature difference, each during according to different-metal material welding
Required from the heat of required input is different with cooler environment, the cooling backing plate of dissimilar metal bottom in accurate control welding process
Temperature, and then intervene the temperature and speed of fusing and the solidification of weld metal zone material, the final welding point for obtaining function admirable.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of laser soldering device for making up dissimilar metal welding line bath temperature difference, including laser welding module, protection gas
Module, three-dimensional motion control platform, it is characterised in that：Also include intelligent temperature control frock module, real-time monitoring of computer module,
Described laser welding module is used for workpiece welding and provides thermal source, and described protective gas module provides gas when being used to weld and protected
Shield, described intelligent temperature control frock module is by two cooling back installations, and the cooling back installation includes high heat conduction backing plate, led
Thermal medium storage tank, compression pump, electromagnetic flow valve, the first electronic flowmeter, pressure gauge, the first temperature sensor, second temperature are passed
Sensor, the second electronic flowmeter；It is provided with the runner of serpentine bend in the high heat conduction backing plate, the inlet of the runner and goes out
Liquid mouth passes through pipeline communication formation circulation loop, the heat-conducting medium storage with the liquid outlet and inlet of heat-conducting medium storage tank respectively
It is equipped with tank on the pipeline between heat-conducting medium, the inlet of the heat-conducting medium storage tank liquid outlet and runner and is disposed with pressure
Power pump, electromagnetic flow valve, the first electronic flowmeter, pressure gauge, the first temperature sensor, liquid outlet and the heat conduction of the runner are situated between
Second temperature sensor, the second electronic flowmeter are disposed with pipeline between matter storage tank inlet；
Real-time monitoring of computer module includes industrial computer and the infrared temperature sensor being connected with industrial computer, compression pump, electricity
Magnetic flow valve, the first electronic flowmeter, pressure gauge, the first temperature sensor, second temperature sensor, the second electronic flowmeter are equal
It is connected with the industrial computer, the industrial computer is used to control laser welding module, protective gas module, three-dimensional motion control platform
Operation and the temperature of the weld gathered according to infrared temperature sensor, two cooling back installations in the first TEMP
The temperature for the heat-conducting medium that device and second temperature sensor are gathered, the first electronic flowmeter, the second electronic flowmeter, pressure gauge
The flow meter pressure value of detection, by compression pump and electromagnetic flow valve be independently monitored and controlled weld metal zone both sides metal fusing and
The temperature of solidification.
Further, it is additionally provided with filtering on the pipeline between the liquid outlet of the runner and heat-conducting medium storage tank inlet
Device.
Further, the laser welding module includes laser and laser welding head, and the laser weld joint is located at
Above three-dimensional motion control platform；
The protective gas module includes protective gas gas cylinder, choke valve, flowmeter, the nozzle being sequentially connected, the spray
Mouth is located above three-dimensional motion control platform, the side of laser weld joint.
The method for laser welding of the described laser soldering device for making up dissimilar metal welding line bath temperature difference, its feature exists
In comprising the following steps：
1) workpiece surface to be welded is cleaned up using organic solvent or cleaning agent, mechanical removal surface layer oxide film will be located
The workpiece alcohol washes managed simultaneously are dried up, it is ensured that dry tack free；
2) exemplar handled well is individually positioned on respective welding heat-conducting padding plate and clamped using tool locating, protected
Demonstrate,prove exemplar position corresponding with backing plate position；
3) after workpiece is installed, sensor information capture program in industrial computer control system is started, while Opening pressure
Pump, electromagnetic flow valve cause heat-conducting medium to be flowed in welding heat-conducting padding plate；When backing plate temperature is adjusted to target temperature, Xiang Gong
Control machine control system sends feedback signal；
4) receive after feedback information, laser, laser welding head, three-dimensional workbench coordination, Laser Welding are taken over
Monitor weld seam both sides temperature in journey in real time by infrared temperature sensor, industrial computer will monitor weld seam temperature and default in real time
Temperature is matched and generates temperature adjusting instruction,
5) industrial computer sends instructions control electromagnetic flow valve, respectively in real time regulation heat-conducting medium in back of weld heat-conducting padding plate
The flow and flow velocity of portion's flowing, realize the temperature-compensating of back of weld heat-conducting padding plate, so that control is independently monitored and controlled
Temperature and speed when the fusing and solidification of weld seam, realize that dissimilar metal melts and solidified under each more excellent temperature environment, most
Realize eventually and obtain the reliable welding point of performance.
Further, the material of described composition backing is that thermal conductivity factor is more than 100W/ (mk) and fusing point is more than 1000
DEG C material.
Further, described heat-conducting medium is the fluid that thermal conductivity factor is more than 0.5W/ (mk).
Beneficial effect of the present invention
1st, temperature-compensating is carried out to dissimilar metal welding line bath temperature difference so that different metal materials can realize accurate temperature
Degree welding, greatly enhances technology stability.
2nd, described intelligent temperature control frock module, is adopted as dual channel, and flow channel entry point and exit are mounted on temperature biography
Sensor, the flow in two loops, temperature are independently monitored and controlled, and realize the temperature of different metal materials welding fusing and process of setting
Degree is controllable, and the control to seam organization and intermetallic compound is significant.
3rd, plant automation degree of the invention is high, it is adaptable to extensive welding experiment and commercial Application.
Brief description of the drawings
Fig. 1 is the controllable laser soldering device structural representation of dissimilar metal welding line tissue of the present invention.
Fig. 2 is heat-conducting padding plate structural representation.
Fig. 3 is workpiece scheme of installation.
In figure：
1- laser welding heads, 2- nozzles, 3- flowmeters, 4- choke valves, 5- protective gas, 6- temperature sensors, 7- pressure
Meter, 8- electronic flowmeters, 9- electromagnetic flow valves, 10- compression pumps, 11- heat-conducting medium storage tanks, 12- heat-conducting mediums, 13- filters,
14- electronic flowmeters, 15- high heat conduction backing plates, 16- temperature sensors, 17- workpiece, 18- three-dimensional working platforms, 19- high heat conduction pads
Plate, 20- temperature sensors, 21- electronic flowmeters, 22- filters, 23- heat-conducting medium storage tanks, 24- heat-conducting mediums, 25- pressure
Pump, 26- electromagnetic flow valves, 27- deconcentrators, 28- lasers, 29- deconcentrators, 30- electronic flowmeters, 31- pressure gauges, 32- works
Control machine, 33- temperature sensors, 34- infrared temperature sensors, 35- workpiece.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
As shown in figure 1, the laser soldering device of the present invention for making up dissimilar metal welding line bath temperature difference, including swash
Flush weld connection module, protective gas module, three-dimensional motion control platform, intelligent temperature control frock module, real-time monitoring of computer module,
Described laser welding module is used for workpiece welding and provides thermal source, and described protective gas module provides gas when being used to weld and protected
Shield.Protect air-blowing from plasma, improve laser percent of pass, while forming protective atmosphere in weld metal zone, it is to avoid produced during welding
Oxide.The laser welding module includes laser and laser welding head, and the optically focused welding point is located at three-dimensional motion control
Above platform processed.The protective gas module includes protective gas gas cylinder, choke valve, flowmeter, the nozzle being sequentially connected, described
Nozzle is located above three-dimensional motion control platform, the side of optically focused welding point.Described intelligent temperature control frock module is by two
Cooling back installation, is the temperature circulatory system with dual channel, the cooling back installation include high heat conduction backing plate 15,19,
Heat-conducting medium storage tank 11,23, compression pump 10,25, the 9,26, first electronic flowmeter of electromagnetic flow valve 8,21, pressure gauge 7,31,
One temperature sensor 6,33, the 16,20, second electronic flowmeter of second temperature sensor 14,31；As shown in Fig. 2 the high heat conduction
Be provided with the runner of serpentine bend in backing plate 15,19, the inlet and liquid outlet of the runner respectively with heat-conducting medium storage tank 11,
23 liquid outlet and inlet is formed in circulation loop, the heat-conducting medium storage tank 11,23 equipped with heat conduction Jie by pipeline communication
Compression pump is disposed with pipeline between matter 12,14, the inlet of the heat-conducting medium storage tank 11,23 liquid outlets and runner
10th, 25, the 9,26, first electronic flowmeter of electromagnetic flow valve 8,21, the 7,31, first temperature sensor of pressure gauge 6,33, the stream
Be disposed with pipeline between the liquid outlet and heat-conducting medium storage tank 11,23 inlets in road second temperature sensor 16,20,
Second electronic flowmeter 14,31；Also set on pipeline between the liquid outlet and heat-conducting medium storage tank 11,23 inlets of the runner
It is equipped with filter 13,22.
Real-time monitoring of computer module includes industrial computer and the infrared temperature sensor 34 being connected with industrial computer 32, compression pump
10th, 25, the 9,26, first electronic flowmeter of electromagnetic flow valve 8,21, the temperature of the 7,31, first temperature sensor of pressure gauge 6,33, second
The 16,20, second electronic flowmeter of degree sensor 14,31 is connected with the industrial computer 32, and the industrial computer 32 is used to control to swash
Flush weld connection module, protective gas module, the operation of three-dimensional motion control platform and according to infrared temperature sensor 34 gather
The first temperature sensor 6,33 and second temperature sensor 16,20 are gathered in the temperature of weld, two cooling back installations
The temperature of heat-conducting medium 12,14, first the 8,21, second electronic flowmeter of electronic flowmeter 14,31, pressure gauge 7,31 detects
Flow meter pressure value, the molten of weld metal zone both sides metal is monitored and controlled by the way that compression pump 10,25 and electromagnetic flow valve 9,26 are independent
The temperature changed and solidified.
Heat-conducting padding plate 15 is arranged in three-dimensional motion control platform, the fusing for controlling weld metal zone metal in welding process
With the temperature and speed of solidification.Heat-conducting medium 12 in storage tank sequentially passes through electromagnetism in the presence of compression pump 10 by pipeline
Flow valve 9, electronic flowmeter 8, pressure gauge 7, the gathered data of temperature sensor 6, heat-conducting medium 12 flow through high heat conduction backing plate 15 with
It is carried out after heat exchange, the outflow high heat conduction of heat-conducting medium 12 backing plate 15 respectively through temperature sensor 16, the and of electronic flowmeter 14
Filter 13, finally flows back to heat-conducting medium storage tank 11.Leading for heat transfer medium flows 12 is provided with described high heat conduction backing plate 15
Hot flow path, flow channel entry point is provided with temperature sensor 6 and exit is provided with temperature sensor 16, and heat-conducting medium 12 is monitored respectively
Temperature.It is the description of single circuit system above, the temperature control loop of the system is the double loop with identical 26S Proteasome Structure and Function
And the flow in two loops, temperature are independently monitored and controlled.
The method for laser welding of dissimilar metal welding line bath temperature difference is made up, is comprised the following steps：
(1) using has acetone to treat that the impurity such as 2024 aluminium alloy plates 17 and the surface and oil contaminant of 304 stainless steel plate 35 is cleaned up,
Sand paper polishing removes surface layer oxide film, by the workpiece alcohol washes handled well and dries up, it is ensured that dry tack free.
(2) aluminium alloy plate 17 handled well and stainless steel plate 35 are individually positioned in high heat conduction backing plate 15 and high heat conduction backing plate
Clamped on 19 and using tool locating, as shown in Figure 3, it is ensured that aluminium alloy plate 17 and stainless steel plate 35 are in the same of same level
When, also to ensure aluminium alloy plate 17 and high heat conduction backing plate 15, stainless steel plate 35 and the in the vertical direction position of high heat conduction backing plate 19
Correspond.
(3) after workpiece is installed, sensor collection information programme in industrial computer 32 is started, while Opening pressure pump 10,
Compression pump 25, electromagnetic flow valve 9, electromagnetic flow valve 26 cause 150 DEG C of oil 24 of 25 DEG C of water 12 of heat-conducting medium and heat-conducting medium to distinguish
Flow through high heat conduction backing plate 15 and high heat conduction backing plate 19.When backing plate temperature is adjusted to target temperature, feedback is sent to industrial computer 32
Signal.
(4) receive after feedback information, laser 28, laser welding head 1, the co-operating of three-dimensional working platform 18, Laser Welding
Monitor weld seam both sides temperature in termination process in real time by infrared temperature sensor 34, computer real-time will monitor weld seam temperature with being
System design temperature is matched and generates temperature adjusting instruction.
(5) industrial computer, which sends instructions, controls electromagnetic flow valve 9 and electromagnetic flow valve 26, in real time regulation 25 DEG C of water 12 of heat-conducting medium
With the flow and flow velocity of 150 DEG C of oil 24 of heat-conducting medium, with increasing or reducing exchanging for heat, back of weld high heat conduction pad is realized
The temperature adjustment of plate 15 and high heat conduction backing plate 19, so that temperature and speed when controlling the fusing and solidification of weld seam, realize xenogenesis
Metal melts and solidified under each more excellent temperature environment, finally realizes the purpose of the regulation and control of seam organization.
The material selection brass that high heat conduction backing plate 15,19 is specifically welded in embodiment makes.Workpiece aluminium alloy to be welded
2024 aluminium alloy plates 17 and 304 stainless steel plates 35 are using linear cutter into 60mm × 30mm × 1.5mm sizes, and welding is preceding by aluminium
Alloy side preset temperature is 25 DEG C, and stainless steel side preset temperature is 100 DEG C；500 DEG C of aluminum alloy side preset temperature in welding process,
Stainless steel side preset temperature is 700 DEG C.Using spot diameter 1.5mm, laser power 2KW, sweep speed 3m/min.Protective gas
For the side-blown mode of Ar gas, flow is set to 1.2L/min.
The defects such as the welding point obtained using the above method is without collapsing, crackle, stomata, welding point progress cutting is taken
Sample, is observed seam organization under 500 times of light microscope, seam organization fine uniform.Aluminium-steel interface is seen
Examine intermetallic compound thickness be improved significantly, therefore using this method carry out laser welding result in reliable high-quality
Welding point.
For the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment to the embodiment, not
In the case of the substantive content of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (6)
1. a kind of laser soldering device for making up dissimilar metal welding line bath temperature difference, including laser welding module, protective gas
Module, three-dimensional motion control platform, it is characterised in that：Also include intelligent temperature control frock module, real-time monitoring of computer module, institute
The laser welding module stated is used for workpiece welding and provides thermal source, and described protective gas module provides gas when being used to weld and protected
Shield, described intelligent temperature control frock module is by two cooling back installations, and the cooling back installation includes high heat conduction backing plate
(15,19), heat-conducting medium storage tank (11,23), compression pump (10,25), electromagnetic flow valve (9,26), the first electronic flowmeter (8,
21), pressure gauge (7,31), the first temperature sensor (6,33), second temperature sensor (16,20), the second electronic flowmeter
(14、31)；The runner of serpentine bend, the inlet and liquid outlet of the runner are provided with the high heat conduction backing plate (15,19)
The liquid outlet and inlet with heat-conducting medium storage tank (11,23) are by pipeline communication formation circulation loop respectively, and the heat conduction is situated between
Heat-conducting medium (12,14), the feed liquor of heat-conducting medium storage tank (the 11,23) liquid outlet and runner are housed in matter storage tank (11,23)
Mouthful between pipeline on be disposed with compression pump (10,25), electromagnetic flow valve (9,26), the first electronic flowmeter (8,21),
Pressure gauge (7,31), the first temperature sensor (6,33), liquid outlet and heat-conducting medium storage tank (11,23) inlet of the runner
Between pipeline on be disposed with second temperature sensor (16,20), the second electronic flowmeter (14,31)；
Real-time monitoring of computer module includes industrial computer and the infrared temperature sensor (34) being connected with industrial computer (32), compression pump
(10,25), electromagnetic flow valve (9,26), the first electronic flowmeter (8,21), pressure gauge (7,31), the first temperature sensor (6,
33), second temperature sensor (16,20), the second electronic flowmeter (14,31) are connected with the industrial computer (32), the work
Control machine (32) is used to control laser welding module, protective gas module, the operation of three-dimensional motion control platform and according to infrared
First temperature sensor (6,33) and second in the temperature of weld of temperature sensor (34) collection, two cooling back installations
The temperature for the heat-conducting medium (12,14) that temperature sensor (16,20) is gathered, the first electronic flowmeter (8,21), the second electronics
Flowmeter (14,31), the flow meter pressure value of pressure gauge (7,31) detection, by compression pump (10,25) and electromagnetic flow valve (9,
26) temperature of independent fusing and the solidification that weld metal zone both sides metal is monitored and controlled.
2. the laser soldering device according to claim 1 for making up dissimilar metal welding line bath temperature difference, it is characterised in that：
Filter (13,22) is additionally provided with pipeline between liquid outlet and heat-conducting medium storage tank (11,23) inlet of the runner.
3. the laser soldering device according to claim 1 for making up dissimilar metal welding line bath temperature difference, it is characterised in that：
The laser welding module includes laser and laser welding head, and the laser weld joint is located in three-dimensional motion control platform
Side；The protective gas module includes protective gas gas cylinder, choke valve, flowmeter, the nozzle being sequentially connected, and the nozzle is located at
Three-dimensional motion control platform top, the side of laser weld joint.
4. the laser welding side of the laser soldering device according to claim 1 for making up dissimilar metal welding line bath temperature difference
Method, it is characterised in that comprise the following steps：
1) use organic solvent or cleaning agent that workpiece to be welded (17,35) surface clean is clean, mechanical removal surface layer oxide film will
The workpiece alcohol washes handled well are simultaneously dried up, it is ensured that dry tack free；
2) exemplar handled well (17,35) is individually positioned on respective welding heat-conducting padding plate (15,19) and uses frock
Positioning is clamped, it is ensured that exemplar position is corresponding with backing plate position；
3) after workpiece is installed, sensor information capture program in industrial computer (32) control system is started, while Opening pressure
Pump (10,25), electromagnetic flow valve (9,26) cause heat-conducting medium (12,24) to be flowed in welding heat-conducting padding plate (15,19)；Wait to pad
When plate temperature is adjusted to target temperature, feedback signal is sent to industrial computer (32) control system；
4) receive after feedback information, laser (28), laser welding head (1), three-dimensional workbench (18) coordination, laser
Monitor weld seam both sides temperature in welding process in real time by infrared temperature sensor (34), industrial computer (32) will monitor weld seam in real time
Temperature is matched with system set point temperature and generates temperature adjusting instruction,
5) industrial computer (32), which sends instructions, controls electromagnetic flow valve (9,26), adjusts heat-conducting medium (12,24) in real time respectively in weld seam
The flow and flow velocity of back side heat-conducting padding plate (15,19) internal flow, realize that the temperature of back of weld heat-conducting padding plate (15,19) is mended
Repay, so that temperature and speed when the fusing and solidification of control weld seam is independently monitored and controlled, realize dissimilar metal each
Melt and solidify under more excellent temperature environment, final realize obtains the reliable welding point of performance.
5. method for laser welding according to claim 4, it is characterised in that described welding heat-conducting padding plate (15,19)
Material is that thermal conductivity factor is more than 150W/ (mk) and material of the fusing point more than 1000 DEG C.
6. method for laser welding according to claim 4, it is characterised in that described heat-conducting medium (12,24) is heat conduction
Coefficient is more than 0.5W/ (mk) fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187233.2A CN107052597B (en) | 2016-12-20 | 2016-12-20 | A kind of method for laser welding and device making up dissimilar metal welding line bath temperature difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187233.2A CN107052597B (en) | 2016-12-20 | 2016-12-20 | A kind of method for laser welding and device making up dissimilar metal welding line bath temperature difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052597A true CN107052597A (en) | 2017-08-18 |
| CN107052597B CN107052597B (en) | 2018-11-09 |
Family
ID=59619121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611187233.2A Active CN107052597B (en) | 2016-12-20 | 2016-12-20 | A kind of method for laser welding and device making up dissimilar metal welding line bath temperature difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052597B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671433A (en) * | 2017-09-27 | 2018-02-09 | 罗厚镇 | A kind of laser cutting machine for possessing waste material collection device |
| CN108819292A (en) * | 2018-07-10 | 2018-11-16 | 长春理工大学 | Thermoplastic composite automatic placement device and method |
| CN109465577A (en) * | 2019-01-11 | 2019-03-15 | 河北工业大学 | A kind of ultra-thin alloy welding deposit repairs cooling system and cooling means |
| CN109500482A (en) * | 2018-11-22 | 2019-03-22 | 杨佳意 | A kind of row's soldering equipment of fence |
| CN109514146A (en) * | 2019-01-11 | 2019-03-26 | 中国民航大学 | Blade of aviation engine REPAIR WELDING flexibility runner cooling system |
| CN109514145A (en) * | 2019-01-11 | 2019-03-26 | 中国民航大学 | Blade of aviation engine Bead weld repair cooling system and cooling means |
| CN109676287A (en) * | 2019-01-11 | 2019-04-26 | 河北工业大学 | A kind of adjustable welding cooling system of flexibility runner |
| CN109759711A (en) * | 2017-11-09 | 2019-05-17 | 香港理工大学 | A kind of laser polishing method |
| CN113547214A (en) * | 2021-08-10 | 2021-10-26 | 湖南汽车工程职业学院 | New energy automobile lightweight aluminum alloy laser welding process |
| CN117464216A (en) * | 2023-12-28 | 2024-01-30 | 江苏函杰机床有限公司 | Welding quality control method and device based on real-time measurement of laser welding temperature field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030054084A (en) * | 2001-12-24 | 2003-07-02 | 한국전기연구원 | Method of laser-induced plasma atomic emission spectroscopy and apparatus thereof |
| CN102601502A (en) * | 2012-04-01 | 2012-07-25 | 哈尔滨工业大学 | Re-nanocrystallization welding device for nanometer bainite steel and method |
| CN103212779A (en) * | 2013-04-19 | 2013-07-24 | 西安建筑科技大学 | Mixing friction welding device of cooling protective mixing head and welded workpiece |
| CN103528703A (en) * | 2013-10-25 | 2014-01-22 | 天津大学 | Passive electric detection device and method for laser plasma |
| CN104002044A (en) * | 2014-06-03 | 2014-08-27 | 湖南大学 | Non-penetration laser welding apparatus and non-penetration laser welding method |
-
2016
- 2016-12-20 CN CN201611187233.2A patent/CN107052597B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030054084A (en) * | 2001-12-24 | 2003-07-02 | 한국전기연구원 | Method of laser-induced plasma atomic emission spectroscopy and apparatus thereof |
| CN102601502A (en) * | 2012-04-01 | 2012-07-25 | 哈尔滨工业大学 | Re-nanocrystallization welding device for nanometer bainite steel and method |
| CN103212779A (en) * | 2013-04-19 | 2013-07-24 | 西安建筑科技大学 | Mixing friction welding device of cooling protective mixing head and welded workpiece |
| CN103528703A (en) * | 2013-10-25 | 2014-01-22 | 天津大学 | Passive electric detection device and method for laser plasma |
| CN104002044A (en) * | 2014-06-03 | 2014-08-27 | 湖南大学 | Non-penetration laser welding apparatus and non-penetration laser welding method |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671433A (en) * | 2017-09-27 | 2018-02-09 | 罗厚镇 | A kind of laser cutting machine for possessing waste material collection device |
| CN107671433B (en) * | 2017-09-27 | 2019-08-23 | 济南邦德激光股份有限公司 | A kind of laser cutting machine having waste material collection device |
| CN109759711A (en) * | 2017-11-09 | 2019-05-17 | 香港理工大学 | A kind of laser polishing method |
| CN109759711B (en) * | 2017-11-09 | 2021-09-14 | 香港理工大学 | Laser polishing method |
| CN108819292A (en) * | 2018-07-10 | 2018-11-16 | 长春理工大学 | Thermoplastic composite automatic placement device and method |
| CN108819292B (en) * | 2018-07-10 | 2020-09-04 | 长春理工大学 | Automatic laying device and method for thermoplastic composite material |
| CN109500482A (en) * | 2018-11-22 | 2019-03-22 | 杨佳意 | A kind of row's soldering equipment of fence |
| CN109676287A (en) * | 2019-01-11 | 2019-04-26 | 河北工业大学 | A kind of adjustable welding cooling system of flexibility runner |
| CN109514145A (en) * | 2019-01-11 | 2019-03-26 | 中国民航大学 | Blade of aviation engine Bead weld repair cooling system and cooling means |
| CN109514146A (en) * | 2019-01-11 | 2019-03-26 | 中国民航大学 | Blade of aviation engine REPAIR WELDING flexibility runner cooling system |
| CN109465577B (en) * | 2019-01-11 | 2021-02-09 | 河北工业大学 | Ultra-thin alloy surfacing repair cooling system and cooling method |
| CN109514145B (en) * | 2019-01-11 | 2021-05-25 | 中国民航大学 | Aeroengine blade surfacing repair cooling system and cooling method |
| CN109465577A (en) * | 2019-01-11 | 2019-03-15 | 河北工业大学 | A kind of ultra-thin alloy welding deposit repairs cooling system and cooling means |
| CN113547214A (en) * | 2021-08-10 | 2021-10-26 | 湖南汽车工程职业学院 | New energy automobile lightweight aluminum alloy laser welding process |
| CN117464216A (en) * | 2023-12-28 | 2024-01-30 | 江苏函杰机床有限公司 | Welding quality control method and device based on real-time measurement of laser welding temperature field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107052597B (en) | 2018-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107052597B (en) | A kind of method for laser welding and device making up dissimilar metal welding line bath temperature difference | |
| JP7002142B2 (en) | How to control the deformation and accuracy of parts in parallel during the additive manufacturing process | |
| CN106794538B (en) | High productivity hybrid induction heating/welding assembly | |
| CA2965545C (en) | Method and apparatus for cladding a surface of an article | |
| CN102383126B (en) | Method with functions of preheating and postheating for forming crack-free coating with high efficiency by three-light-beam laser-cladding technique | |
| CN103180084B (en) | Vertical laser cladding system | |
| US20080099533A1 (en) | Method for controlling microstructure via thermally managed solid state joining | |
| CN110802304B (en) | Electromagnetic auxiliary arc additive manufacturing and forming device and method | |
| Silwal et al. | Hot-wire GTAW cladding: inconel 625 on 347 stainless steel | |
| CN105081590B (en) | The cold drawing and manufacture method of a kind of braze-welded structure | |
| US6069334A (en) | Electroslag strip overlay method | |
| CN109175562B (en) | TIG brazing process for copper-aluminum dissimilar metal | |
| CN115055699A (en) | Particle reinforced aluminum-based composite material molten drop composite electric arc additive manufacturing device and method | |
| CN109604927A (en) | The build-up welding repair method of continuous cast mold short side copper sheet side | |
| US5705786A (en) | Underwater welding | |
| CN104046983A (en) | Titanium alloy thin-wall blade laser-cladding low-stress local orientation cooling restoration method | |
| CN108237278B (en) | welding method of copper-molybdenum electrode | |
| CN102500957A (en) | Preparation method of Al-Si-Zn rapidly-cooled solder for aluminum alloy/stainless steel brazing | |
| CN105215541A (en) | A kind of with the method for high rigidity metal friction built-up welding soft metal | |
| TIAN et al. | Study of the reaction layer of Ti and Al dissimilar alloys by wire and arc additive manufacturing | |
| CN212329983U (en) | Spot welding working water gas station | |
| CN113102863B (en) | High-efficiency roller gear tooth hard alloy surfacing system and surfacing method | |
| CN117364076A (en) | High-speed laser cladding system with forced water cooling system and cladding method | |
| 李志永 et al. | Analysis of surface tension driven flow and solidification behavior in laser linear welding of stainless steel | |
| Liu et al. | Study on the coupling characteristics of laser-TIG hybrid heat source with different offsets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |