CN106001919B - A kind of laser welding process, device and equipment - Google Patents
A kind of laser welding process, device and equipment Download PDFInfo
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- CN106001919B CN106001919B CN201610422343.6A CN201610422343A CN106001919B CN 106001919 B CN106001919 B CN 106001919B CN 201610422343 A CN201610422343 A CN 201610422343A CN 106001919 B CN106001919 B CN 106001919B
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- 238000003466 welding Methods 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 52
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- 230000001681 protective effect Effects 0.000 claims description 24
- 230000033001 locomotion Effects 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 18
- 229910000679 solder Inorganic materials 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000005476 soldering Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
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- 235000008434 ginseng Nutrition 0.000 description 2
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
- B23K26/0673—Dividing the beam into multiple beams, e.g. multifocusing into independently operating sub-beams, e.g. beam multiplexing to provide laser beams for several stations
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/073—Shaping the laser spot
- B23K26/0736—Shaping the laser spot into an oval shape, e.g. elliptic shape
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The embodiment of the present application provides a kind of laser welding process, wherein, welded using laser and plumb joint, the plumb joint is provided with dual-beam eyeglass, and the dual-beam eyeglass is used to single beam being split up into dual-beam, and methods described includes：Measure the light splitting mass parameter that the output laser of the laser passes through after the plumb joint；Target Weld position is determined according to the light splitting mass parameter；In the Target Weld position, fixed welding material；The laser is opened to weld the welding material.In the embodiment of the present application, by setting dual-beam eyeglass in plumb joint so that laser forms double light beam laser after plumb joint, and welding material is welded using double light beam laser in Target Weld position, so that the weld shape of welding material is U-shaped, meet magnetic valve welding process requirement.
Description
Technical field
The application is related to laser welding technology field, is hinged with more particularly to a kind of laser welding process, a kind of Laser Welding
Put and a kind of laser welding apparatus.
Background technology
With the development that metal welds, current ripe welding manner has：Electric resistance welding, argon arc welding, electron beam weldering, plasma arc
Weldering, Laser Welding etc..
Laser welding has also divided a variety of LASER Light Sources, there is CO2 laser weldings, there is YAG laser weldings, optical-fiber laser welding.
Welding is at most applied to auto industry and electronics industry, wherein many electronic devices are all welded using optical-fiber laser, welding
Technique is also varied.
Welding be the hermetically sealed device of metal (such as：Magnetic valve, air pressure valve) production in one of important procedure, to realize electricity
Magnet valve metal parts it is firm, permanently connected.Laser welding has heat affected area as accurate, efficient, high-quality welding procedure
Small, the advantages that weld strength is high, weld seam is attractive in appearance, it is the ideal technology of magnetic valve welding production.
Current laser welding process, there is no particular/special requirement to weld shape, it is difficult to ensure that magnetic valve welding process requirement.
The content of the invention
In view of the above problems, it is proposed that the embodiment of the present application overcomes above mentioned problem or at least in part to provide one kind
A kind of laser welding process, a kind of laser soldering device and a kind of laser welding apparatus to solve the above problems.
In order to solve the above problems, the embodiment of the present application discloses a kind of laser welding process, wherein, using laser and
Plumb joint is welded, and the plumb joint is provided with dual-beam eyeglass, and the dual-beam eyeglass is double for single beam to be split up into
Light beam, methods described include：
Measure the light splitting mass parameter that the output laser of the laser passes through after the plumb joint；
Target Weld position is determined according to the light splitting mass parameter；
In the Target Weld position, fixed welding material；
The laser is opened to weld the welding material.
Preferably, the output laser of the measurement laser is by the light splitting mass parameter after the plumb joint
Step includes：
Adjust the focal position of the plumb joint；
After the completion of being adjusted in focal position, focus and its light splitting mass parameter of the position in front and rear preset range are measured.
Preferably, it is provided with visible light illuminator in the laser；Visible ray that the visible light illuminator is sent with
The space optical path for the laser that the laser is sent overlaps；
The step of focal position of the regulation plumb joint, includes：
Open the visible light illuminator and send visible ray；
By detecting the spot size of the visible ray, the focal position of the plumb joint is adjusted.
Preferably, the light splitting mass parameter includes：Energy distribution and hot spot ovality；
Described the step of determining Target Weld position according to the light splitting mass parameter, includes：
The Energy distribution of the hot spot of dual-beam is met into Gaussian Profile, and the hot spot ovality of dual-beam meets default want
Position where the hot spot for the dual-beam asked, it is defined as Target Weld position.
Preferably, the step of fixed welding material includes：
The solder side face of welding material is fixed, and the gap between solder side is less than preset length.
Preferably, in addition to：
In welding process, protective gas is blowed to the welding material.
Preferably, the step of unlatching laser welds to the welding material includes：
The laser is opened by default power output laser；
The welding material is moved by default translational speed, and the welding material is rotated by default velocity of rotation
Material.
Meanwhile the embodiment of the present application also discloses a kind of laser soldering device, wherein, carried out using laser and plumb joint
Welding, the plumb joint are provided with dual-beam eyeglass, and the dual-beam eyeglass is used to single beam being split up into dual-beam, the dress
Put including：
Mass parameter measurement module is divided, the output laser for measuring the laser passes through after the plumb joint
It is divided mass parameter；
Target Weld position determination module, for determining Target Weld position according to the light splitting mass parameter；
Stuck-module, in the Target Weld position, fixed welding material；
Welding module, the welding material is welded for opening the laser.
Preferably, the light splitting mass parameter measurement module includes：
Focal adjustments submodule, for adjusting the focal position of the plumb joint；
Scope measures submodule, after the completion of being adjusted in focal position, measures in focus and its front and rear preset range
The light splitting mass parameter of position.
Preferably, it is provided with visible light illuminator in the laser；Visible ray that the visible light illuminator is sent with
The space optical path for the laser that the laser is sent overlaps；
The focal adjustments submodule further comprises：
Visible ray sends submodule, and visible ray is sent for opening the visible light illuminator；
Spot detection adjusts submodule, for the spot size by detecting the visible ray, adjusts the plumb joint
Focal position.
Preferably, the light splitting mass parameter includes：Energy distribution and hot spot ovality；
The Target Weld position determination module includes：
Condition position determination sub-module, for the Energy distribution of the hot spot of dual-beam to be met into Gaussian Profile, and double light
The hot spot ovality of beam meets the position where the hot spot of the dual-beam of preset requirement, is defined as Target Weld position.
Preferably, the stuck-module includes：
Face fixes submodule, for the solder side face of welding material to be fixed, and makes the gap between solder side small
In preset length.
Preferably, in addition to：
Blow off module, in welding process, protective gas to be blowed to the welding material.
Preferably, the welding module includes：
Laser opens submodule, for opening the laser by default power output laser；
Submodule is moved, for moving the welding material by default translational speed, and by default velocity of rotation
Rotate the welding material.
Meanwhile the embodiment of the present application also discloses a kind of laser welding apparatus, including：Laser, plumb joint；The welding
Head includes：Collimating mirror, focus lamp, dual-beam eyeglass, protective glass；
The laser that the laser is sent forms directional light by the collimating mirror；
The directional light of the collimating mirror output forms by the focus lamp and focuses on light；
The focusing light of the focus lamp output forms two beam laser by the dual-beam eyeglass；
After two beam laser of the dual-beam eyeglass output are by protecting eyeglass, outside is output to.
Preferably, in addition to：Motion Control Platform, the control platform are used to control welding material mobile and rotated.
Preferably, the Motion Control Platform includes：Rolling clamp,
The rolling clamp is used to clamp welding material.
Preferably, in addition to：Protective gas air blowing equipment, the protective gas air blowing equipment are used to blow to welding material
Protective gas.
Preferably, the protective gas air blowing equipment includes：Nozzle, the nozzle are arranged on the output of the protection eyeglass
End.
Preferably, visible light illuminator is provided with the laser, the visible light illuminator is used to send visible ray,
For observing the focal position of plumb joint.
The embodiment of the present application includes advantages below：
In the embodiment of the present application, by setting dual-beam eyeglass in plumb joint so that laser is formed after plumb joint
Double light beam laser, welding material is welded using double light beam laser in Target Weld position so that the weld seam of welding material
U-shaped is shaped as, meets magnetic valve welding process requirement.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of laser welding process embodiment 1 of the application；
Fig. 2 is the schematic diagram of measuring beam mass parameter in the embodiment of the present application；
Fig. 3 is a kind of step flow chart of laser welding process embodiment 2 of the application；
Fig. 4 is a kind of step flow chart for adjusting plumb joint focal position in the embodiment of the present application 2；
Fig. 5 is a kind of step flow chart that Target Weld position is determined according to light splitting mass parameter in the embodiment of the present application；
Fig. 6 is a kind of step flow chart of fixed welding material in the embodiment of the present application；
Fig. 7 is a kind of step flow chart welded to welding material in the embodiment of the present application；
Fig. 8 is a kind of structured flowchart of laser soldering device embodiment of the application；
Fig. 9 is a kind of structured flowchart of laser welding apparatus embodiment of the application.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above-mentioned purpose of the application, feature and advantage more obvious understandable
Mode is applied to be described in further detail the application.
One of core idea of the embodiment of the present application is, by setting dual-beam eyeglass in plumb joint so that laser
Double light beam laser is formed after plumb joint, welding material is welded using double light beam laser in Target Weld position.
Reference picture 1, a kind of step flow chart of laser welding process embodiment 1 of the application is shown, wherein, using sharp
Light device and plumb joint are welded, and the plumb joint is provided with dual-beam eyeglass, and the dual-beam eyeglass is used for single beam point
Open and specifically may include steps of for dual-beam, methods described：
Step 101, the light splitting mass parameter that the output laser of the laser passes through after the plumb joint is measured；
Plumb joint can focus the laser beam to suitable spot size, and can adjust the focus position of laser beam
Put.
In the embodiment of the present application, dual-beam eyeglass is provided with plumb joint, dual-beam eyeglass is the special mirror of plated film
Piece, can be the intermediate region energy transfer of light beam, and uniformly separated beam energy, allows energy to be dispersed into from a big light beam
2 light beams.In fact, by the laser or beam of laser of dual-beam eyeglass, simply in the position energy density of focus annex
It is not by Gaussian shaped profile, and is divided into two light beams.
It can specifically be tested out using beam quality measuring instrument after light splitting, the beam energy of focus front and back position
Distribution map, it is defined by focus, toward the front/rear skew of focus, the distribution of hot spot becomes closer to a hot spot, and spectrophotometric result is increasingly
Unobvious.
It is the schematic diagram of measuring beam mass parameter in the embodiment of the present application shown in reference picture 2.Wherein, laser 21 will
Laser is output to plumb joint 22, and plumb joint 22 exports Laser Focusing, near focal point, using the spy of beam quality measuring instrument 23
First 2301, the light splitting mass parameter that the laser that measurement laser 21 exports passes through after plumb joint 22.
Step 102, Target Weld position is determined according to the light splitting mass parameter；
Specifically, the light splitting mass parameter of the position of focus and its front and rear certain distance can be measured, by light splitting quality ginseng
The best position of number, as Target Weld position.
Step 103, in the Target Weld position, fixed welding material；
The material for needing to weld is fixed on Target Weld position.
Step 104, the laser is opened to weld the welding material.
Laser output laser is opened to weld welding material.
After the completion of welding, wire cutting mode can be used, the weld seam for the welding material being welded is splitted.To split makes
Polished with fine sand paper, until weld seam can clearly be seen, then using alcohol clean welds surface.See under an electron microscope
Examine weld shape.Weld seam size, the software of electron microscope can be used, opens picture, is come using the survey tool in software
Measure weld width and depth.
If not welded using double light beam laser, weld shape generally is tee T and nipple type.The application is real
Apply in example, by setting dual-beam eyeglass in plumb joint so that laser forms double light beam laser after plumb joint, in target
Welding material is welded using double light beam laser welding position so that the weld shape of welding material is U-shaped, meets electricity
Magnet valve welding process requirement.
Reference picture 3, a kind of step flow chart of laser welding process embodiment 2 of the application is shown, wherein, using sharp
Light device and plumb joint are welded, and the plumb joint is provided with dual-beam eyeglass, and the dual-beam eyeglass is used for single beam point
Open and specifically may include steps of for dual-beam, methods described：
Step 301, the focal position of the plumb joint is adjusted；
In laser welding, generally welding material is fixed on Motion Control Platform.Therefore, it is necessary to Jiao by plumb joint
Point is substantially adjusted on Motion Control Platform.Motion Control Platform includes X, Y, Z kinematic axis, and X, Y, Z kinematic axis pass through servo electricity
Machine controls.Welding material is fixed on Motion Control Platform, Motion Control Platform can control welding material in welding process
Material is moved and rotated on X, Y, Z kinematic axis.Further, Motion Control Platform also has rolling clamp, passes through rolling clamp
It can be welded with clamping circular work pieces.
It is a kind of step flow chart for adjusting plumb joint focal position, at this in the embodiment of the present application shown in reference picture 4
In a kind of preferred exemplary for applying for embodiment, visible light illuminator is provided with the laser；The visible light illuminator hair
The space optical path for the laser that the visible ray gone out is sent with the laser overlaps；
The step 301 can specifically include following sub-step：
Sub-step S11, open the visible light illuminator and send visible ray；
In the embodiment of the present application, visible light illuminator (for example, red laser) is provided with the laser, it is seen that light
The output light path of photophore overlaps with the output light path of the laser for welding.
Sub-step S12, by detecting the spot size of the visible ray, adjust the focal position of the plumb joint.
Open visible light illuminator and send visible ray, detection radiation of visible light is to specified location (for example, motion control is put down
Platform) hot spot size.In focal point, the size of hot spot be it is minimum, can be by adjusting the focal length of plumb joint repeatedly so that
The hot spot minimum of Motion Control Platform is irradiated to, that is, the focus of the plumb joint caused is on Motion Control Platform.
Step 302, after the completion of being adjusted in focal position, focus and its light splitting matter of the position in front and rear preset range are measured
Measure parameter；
Specifically, after focus is irradiated into Motion Control Platform, Motion Control Platform can be removed, and measure in focus
With the light splitting mass parameter of the position before and after focus in preset range.
Step 303, Target Weld position is determined according to the light splitting mass parameter；
It is a kind of step that Target Weld position is determined according to light splitting mass parameter in the embodiment of the present application shown in reference picture 5
Rapid flow chart.In a kind of preferred exemplary of the embodiment of the present application, the light splitting mass parameter includes：Energy distribution and hot spot are ellipse
Circularity；
The step 303, which can specifically include following sub-step, to be included：
Sub-step S21, the Energy distribution of the hot spot of dual-beam is met into Gaussian Profile, and the hot spot ovality of dual-beam
Meet the position where the hot spot of the dual-beam of preset requirement, be defined as Target Weld position.
The a range of position before and after focus and focus, single beam are classified into dual-beam, more off-focal, light beam light splitting
Effect is poorer.
In the embodiment of the present application, the light splitting quality ginseng of the hot spot of focus and its position in front and rear preset range is measured
Number, light splitting mass parameter include：Energy distribution and hot spot ovality.
The Energy distribution of the hot spot of dual-beam is met into Gaussian Profile, and the hot spot ovality of dual-beam meets default want
Position where the hot spot for the dual-beam asked, it is defined as Target Weld position.
The dual-beam of the position of certain limit (for example, -4-4mm of focus scope) typically before and after focus and focus
Gaussian Profile and the requirement of hot spot ovality can be met.In actual welding, can attempt one by one before focus and focus
Certain limit is welded afterwards, according to the shape of actual welds, further selects welding position.
Step 304, in the Target Weld position, fixed welding material；
Specifically, welding material can be fixed on by Target Weld position by Motion Control Platform.
Shown in reference picture 6, it is a kind of step flow chart of fixed welding material in the embodiment of the present application, implements in the application
In a kind of preferred exemplary of example, the step 304 can specifically include following sub-step：
Sub-step S31, the solder side face of welding material is fixed, and the gap between solder side is less than default length
Degree.
Specifically, being provided with fixture on Motion Control Platform, the solder side face of welding material is fixed using fixture,
The gap between solder side is less than certain length, and ensure the smooth of solder side.
Step 305, the laser is opened to weld the welding material；
After welding material is fixed into Target Weld position, opens laser and welding material is welded.
It is a kind of step flow chart welded to welding material in the embodiment of the present application, in this Shen shown in reference picture 7
Please be in a kind of preferred exemplary of embodiment, the step 305 can specifically include following sub-step：
Sub-step S41, the laser is opened by default power output laser；
Specifically, welding different materials needs different laser powers, suitable laser power ability only have chosen
Ensure welding effect.
Sub-step S42, the welding material is moved by default translational speed, and institute is rotated by default velocity of rotation
State welding material.
Specifically, welding material can be fixed on into Motion Control Platform, control mobile by Motion Control Platform and turn
Dynamic welding material, is welded with all directions to solder side.
Step 306, in welding process, protective gas is blowed to the welding material.
Protective gas, for protecting metal drop, molten bath and weld metal zone from the infringement of ambient atmos in welding process.
For example, in soldering stainless steel, argon gas can be used as protective gas.
Nozzle for blowing protective gas can be arranged on the output end of plumb joint, directly to blow guarantor to welding material
Protect gas.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group
Close, but those skilled in the art should know, the embodiment of the present application is not limited by described sequence of movement, because according to
According to the embodiment of the present application, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, and involved action not necessarily the application is implemented
Necessary to example.
Reference picture 8, a kind of structured flowchart of laser soldering device embodiment of the application is shown, in the embodiment of the present application
In, welded using laser and plumb joint, the plumb joint is provided with dual-beam eyeglass, and the dual-beam eyeglass is used for will
Single beam is split up into dual-beam, and described device can specifically include following module：
Mass parameter measurement module 41 is divided, the output laser for measuring the laser passes through after the plumb joint
Light splitting mass parameter；
Target Weld position determination module 42, for determining Target Weld position according to the light splitting mass parameter；
Stuck-module 43, in the Target Weld position, fixed welding material；
Welding module 44, the welding material is welded for opening the laser.
As a kind of preferred exemplary of the embodiment of the present application, the light splitting mass parameter measurement module 41 can include：
Focal adjustments submodule, for adjusting the focal position of the plumb joint；
Scope measures submodule, after the completion of being adjusted in focal position, measures in focus and its front and rear preset range
The light splitting mass parameter of position；
As a kind of preferred exemplary of the embodiment of the present application, visible light illuminator is provided with the laser；It is described can
See that the space optical path for the laser that the visible ray that light photophore is sent is sent with the laser overlaps；
The focal adjustments submodule further comprises：
Visible ray sends submodule, and visible ray is sent for opening the visible light illuminator；
Spot detection adjusts submodule, for the spot size by detecting the visible ray, adjusts the plumb joint
Focal position.
As a kind of preferred exemplary of the embodiment of the present application, the light splitting mass parameter includes：Energy distribution and hot spot are ellipse
Circularity；
The Target Weld position determination module 42 can include：
Condition position determination sub-module, for the Energy distribution of the hot spot of dual-beam to be met into Gaussian Profile, and double light
The hot spot ovality of beam meets the position where the hot spot of the dual-beam of preset requirement, is defined as Target Weld position.
As a kind of preferred exemplary of the embodiment of the present application, the stuck-module 43 can include：
Face fixes submodule, for the solder side face of welding material to be fixed, and makes the gap between solder side small
In preset length.
As a kind of preferred exemplary of the embodiment of the present application, can also include：
Blow off module, in welding process, protective gas to be blowed to the welding material.
As a kind of preferred exemplary of the embodiment of the present application, the welding module 44 can include：
Laser opens submodule, for opening the laser by default power output laser；
Submodule is moved, for moving the welding material by default translational speed, and by default velocity of rotation
Rotate the welding material.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Reference picture 9, a kind of structured flowchart of laser welding apparatus embodiment of the application is shown, can specifically be included：
Laser 51, plumb joint 52；The plumb joint 52 includes：Collimating mirror 5201, focus lamp 5202, dual-beam mirror 5203, protective glass
5204；
The laser that the laser 51 is sent forms directional light by the collimating mirror 5201；
The directional light that the collimating mirror 5201 exports forms by the focus lamp 5202 and focuses on light；
The focusing light that the focus lamp 5202 exports forms two beam laser by the dual-beam mirror 5203；
After the two beam laser that the dual-beam mirror 5203 exports are by protecting eyeglass 5204, outside is output to.
As a kind of preferred exemplary of the embodiment of the present application, in addition to：Motion Control Platform (not shown), the control
Platform processed is used to control welding material 53 to move and rotate.
As a kind of preferred exemplary of the embodiment of the present application, the Motion Control Platform includes：Rolling clamp,
The rolling clamp is used to clamp welding material.
As a kind of preferred exemplary of the embodiment of the present application, in addition to：Protective gas air blowing equipment (not shown), institute
Protective gas air blowing equipment is stated to be used to blow protective gas to welding material.
As a kind of preferred exemplary of the embodiment of the present application, the protective gas air blowing equipment includes：Nozzle 53, the spray
Mouth is arranged on the output end of the protection eyeglass.
As a kind of preferred exemplary of the embodiment of the present application, be provided with visible light illuminator in the laser, it is described can
See that light photophore is used to send visible ray, for observing the focal position of plumb joint.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present application can be provided as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present application can use complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present application can use one or more wherein include computer can
With in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present application is with reference to according to the method for the embodiment of the present application, terminal device (system) and computer program
The flow chart and/or block diagram of product describes.It should be understood that can be by computer program instructions implementation process figure and/or block diagram
In each flow and/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions are set to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that is held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory to work in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present application, those skilled in the art once know base
This creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for the embodiment of the present application scope.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of elements are not only wrapped
Those key elements, but also the other element including being not expressly set out are included, or is also included for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, wanted by what sentence "including a ..." limited
Element, it is not excluded that other identical element in the process including the key element, method, article or terminal device also be present.
A kind of laser welding process provided herein, a kind of laser soldering device and a kind of laser welding are set above
It is standby, it is described in detail, specific case used herein is set forth to the principle and embodiment of the application, the above
The explanation of embodiment is only intended to help and understands the present processes and its core concept；Meanwhile for the general skill of this area
Art personnel, according to the thought of the application, there will be changes in specific embodiments and applications, in summary, this
Description should not be construed as the limitation to the application.
Claims (20)
1. a kind of laser welding process, it is characterised in that welded using laser and plumb joint, the plumb joint is provided with
Dual-beam eyeglass, the dual-beam eyeglass are used to by way of shifting light beam intermediate region energy single beam being split up into double light
Beam；After single beam is by the dual-beam eyeglass, intermediate region energy is transferred, in the near focal point point of the dual-beam eyeglass
Open form is into dual-beam, and the whole Shu Guang that dual-beam is formed is discontented with the Energy distribution of the near focal point of the dual-beam eyeglass
Sufficient Gaussian shaped profile, the technique include：
Measure the light splitting mass parameter that the output laser of the laser passes through after the plumb joint；
Target Weld position is determined according to the light splitting mass parameter；
In the Target Weld position, fixed welding material；
The laser is opened to weld the welding material.
2. technique according to claim 1, it is characterised in that described in the output laser of the measurement laser passes through
The step of light splitting mass parameter after plumb joint, includes：
Adjust the focal position of the plumb joint；
After the completion of being adjusted in focal position, focus and its light splitting mass parameter of the position in front and rear preset range are measured.
3. technique according to claim 2, it is characterised in that be provided with visible light illuminator in the laser；It is described
The space optical path for the laser that the visible ray that visible light illuminator is sent is sent with the laser overlaps；
The step of focal position of the regulation plumb joint, includes：
Open the visible light illuminator and send visible ray；
By detecting the spot size of the visible ray, the focal position of the plumb joint is adjusted.
4. according to the technique described in claim 1 or 2 or 3, it is characterised in that the light splitting mass parameter includes：Energy distribution
With hot spot ovality；
Described the step of determining Target Weld position according to the light splitting mass parameter, includes：
The Energy distribution of the hot spot of every light beam of dual-beam is met into Gaussian Profile, and the hot spot ovality of dual-beam meets
Position where the hot spot of the dual-beam of preset requirement, it is defined as Target Weld position.
5. according to the technique described in claim 1 or 2 or 3, it is characterised in that include the step of the fixed welding material：
The solder side face of welding material is fixed, and the gap between solder side is less than preset length.
6. according to the technique described in claim 1 or 2 or 3, it is characterised in that also include：
In welding process, protective gas is blowed to the welding material.
7. according to the technique described in claim 1 or 2 or 3, it is characterised in that described to open the laser to the welding material
The step of material is welded includes：
The laser is opened by default power output laser；
The welding material is moved by default translational speed, and the welding material is rotated by default velocity of rotation.
8. a kind of laser soldering device, it is characterised in that welded using laser and plumb joint, the plumb joint is provided with
Dual-beam eyeglass, the dual-beam eyeglass are used to by way of shifting light beam intermediate region energy single beam being split up into double light
Beam；After single beam is by the dual-beam eyeglass, intermediate region energy is transferred, in the near focal point point of the dual-beam eyeglass
Open form is into dual-beam, and the whole Shu Guang that dual-beam is formed is discontented with the Energy distribution of the near focal point of the dual-beam eyeglass
Sufficient Gaussian shaped profile, described device include：
Mass parameter measurement module is divided, the light splitting that the output laser for measuring the laser passes through after the plumb joint
Mass parameter；
Target Weld position determination module, for determining Target Weld position according to the light splitting mass parameter；
Stuck-module, in the Target Weld position, fixed welding material；
Welding module, the welding material is welded for opening the laser.
9. device according to claim 8, it is characterised in that the light splitting mass parameter measurement module includes：
Focal adjustments submodule, for adjusting the focal position of the plumb joint；
Scope measures submodule, after the completion of being adjusted in focal position, measures the position in focus and its front and rear preset range
Light splitting mass parameter.
10. device according to claim 9, it is characterised in that be provided with visible light illuminator in the laser；It is described
The space optical path for the laser that the visible ray that visible light illuminator is sent is sent with the laser overlaps；
The focal adjustments submodule further comprises：
Visible ray sends submodule, and visible ray is sent for opening the visible light illuminator；
Spot detection adjusts submodule, for the spot size by detecting the visible ray, adjusts the focus of the plumb joint
Position.
11. according to the device described in claim 8 or 9 or 10, it is characterised in that the light splitting mass parameter includes：Energy point
Cloth and hot spot ovality；
The Target Weld position determination module includes：
Condition position determination sub-module, for the Energy distribution of the hot spot of every light beam of dual-beam to be met into Gaussian Profile, and
And the hot spot ovality of dual-beam meets the position where the hot spot of the dual-beam of preset requirement, is defined as Target Weld position.
12. according to the device described in claim 8 or 9 or 10, it is characterised in that the stuck-module includes：
Face fixes submodule, and for the solder side face of welding material to be fixed, and it is pre- to be less than the gap between solder side
If length.
13. according to the device described in claim 8 or 9 or 10, it is characterised in that also include：
Blow off module, in welding process, protective gas to be blowed to the welding material.
14. according to the device described in claim 8 or 9 or 10, it is characterised in that the welding module includes：
Laser opens submodule, for opening the laser by default power output laser；
Submodule is moved, for moving the welding material by default translational speed, and is rotated by default velocity of rotation
The welding material.
A kind of 15. laser welding apparatus, it is characterised in that including：Laser, plumb joint；The plumb joint includes：Collimating mirror,
Focus lamp, dual-beam eyeglass, protective glass；
The laser that the laser is sent forms directional light by the collimating mirror；
The directional light of the collimating mirror output forms by the focus lamp and focuses on light；
The focusing light of the focus lamp output forms two beam laser by the dual-beam eyeglass；The dual-beam eyeglass is used for
Single beam is split up into dual-beam by way of shifting light beam intermediate region energy；Single beam passes through the dual-beam eyeglass
Afterwards, intermediate region energy is transferred, and is formed separately dual-beam in the near focal point of the dual-beam eyeglass, and dual-beam is formed
A whole Shu Guang be unsatisfactory for Gaussian shaped profile in the Energy distribution of the near focal point of the dual-beam eyeglass；
After two beam laser of the dual-beam eyeglass output are by protecting eyeglass, outside is output to.
16. laser welding apparatus according to claim 15, it is characterised in that also include：Motion Control Platform, the control
Platform processed is used to control welding material mobile and rotated.
17. laser welding apparatus according to claim 16, it is characterised in that the Motion Control Platform includes：Rotation
Fixture,
The rolling clamp is used to clamp welding material.
18. according to the laser welding apparatus described in claim 15 or 16 or 17, it is characterised in that also include：Protective gas blows
Equipment is sent, the protective gas air blowing equipment is used to blow protective gas to welding material.
19. laser welding apparatus according to claim 18, it is characterised in that the protective gas air blowing equipment includes：
Nozzle, the nozzle are arranged on the output end of the protection eyeglass.
20. according to the laser welding apparatus described in claim 15 or 16 or 17, it is characterised in that be provided with the laser
Visible light illuminator, the visible light illuminator are used to send visible ray, for observing the focal position of plumb joint.
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