CN209349695U - Laser soldering device and welding equipment - Google Patents
Laser soldering device and welding equipment Download PDFInfo
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- CN209349695U CN209349695U CN201822040056.6U CN201822040056U CN209349695U CN 209349695 U CN209349695 U CN 209349695U CN 201822040056 U CN201822040056 U CN 201822040056U CN 209349695 U CN209349695 U CN 209349695U
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Abstract
The utility model discloses laser soldering device and welding equipments, are related to technical field of laser welding.Laser soldering device provided by the utility model includes lathe, laser emitter, laser optical path component and control module, and control module and laser emitter are all set in lathe, and lathe is for placing welded workpiece.The quality factor of the light beam of laser transmitter projects is less than 1.8.Laser optical path component includes collimating mirror, galvanometer and F-Theta field lens, and collimating mirror is connect with laser emitter by optical fiber, and collimating mirror is connect with galvanometer, and galvanometer is flexibly connected with lathe, and galvanometer is connect with F-Theta field lens.The utility model additionally provides a kind of welding equipment including laser soldering device.Laser soldering device and welding equipment provided by the utility model, can accurately control spot size, and not only weld strength is high and weld appearance is met the requirements.
Description
Technical field
The utility model relates to technical field of laser welding, in particular to laser soldering device and welding equipment.
Background technique
Currently, laser welding application field is extensive, and welds and increasingly develops to ultra-thin and fine direction, especially IT
Product, to precision welding, more stringent requirements are proposed for the welding of minor items, needs accurately to control laser welding system
It can be only achieved.Welding for some microstructure parts, it usually needs for 0.2mm metal material below, especially copper or
The contour anti-material of copper alloy is welded, and the welding procedure effect of these microstructure parts then needs: solder joint is small, intensity is high and becomes
Shape amount is small.It needs that molten bath is made to reach higher temperature in a very short period of time when welding, material is allowed to realize effectively connection, and heat
Amount input is smaller to guarantee that deflection is small.
And currently used laser welding system otherwise can not accomplish lesser solder joint or easily puncture light sheet material,
Or intensity when welding anti-material of height is lower, appearance is poor, and welding requirements is not achieved.
Utility model content
The purpose of this utility model is to provide a kind of laser soldering devices, can accurately control spot size, not only
Weld strength is high and weld appearance is met the requirements.
The utility model provides a kind of technical solution about laser soldering device:
A kind of laser soldering device, for welding to welded workpiece, laser soldering device includes lathe, laser hair
Emitter, laser optical path component and control module, control module and laser emitter are all set in lathe, lathe for place to
Welding workpiece.The quality factor of the light beam of laser transmitter projects is less than 1.8.Laser optical path component include collimating mirror, galvanometer and
F-Theta field lens, collimating mirror are connect with laser emitter by optical fiber, and collimating mirror is connect with galvanometer, and galvanometer and lathe activity connect
It connects, galvanometer is connect with F-Theta field lens.Light beam is transmitted through the fiber to collimating mirror, collimating mirror by beam collimation at collimated light beam,
Collimated light beam is deflected to F-Theta field lens by galvanometer, and collimated light beam is focused to welded workpiece surface and carried out by F-Theta field lens
Welding.
Further, above-mentioned laser optical path component further includes connector and reflecting mirror, and reflecting mirror is set to connector, collimation
Mirror is connect with galvanometer by connector.
Further, above-mentioned lathe includes cabinet, workbench and upright bar, and workbench is connect with cabinet, upright bar and workbench
Connection, control module and laser emitter are all set in cabinet, and galvanometer is set to upright bar, and galvanometer can be close to or far from work
Platform.
Further, above-mentioned upright bar is liftably connect with workbench.
Further, above-mentioned galvanometer is slidably connected with upright bar.
Further, above-mentioned lathe further includes installation part, and installation part is slidably connected with upright bar, installation part and the fixed company of galvanometer
It connects.
Further, above-mentioned control module includes industrial personal computer, control card and display, control card and industry control mechatronics,
Galvanometer and laser emitter are electrically connected with control card respectively, and control card and industrial personal computer are respectively positioned in lathe, are provided in industrial personal computer
External control software, external control software is for drawing weld pattern and adjusting laser emitter parameter.
Further, above-mentioned weld pattern is helix pattern.
Further, above-mentioned laser emitter is NS laser or QCW single-mode laser.
The another object of the utility model is to provide a kind of welding equipment, can accurately control spot size, not only
Weld strength is high and weld appearance is met the requirements.
The utility model also provides a kind of technical solution about welding equipment:
A kind of welding equipment, welding equipment include CCD photographing module and the laser soldering device such as above-mentioned any one, are swashed
Flush weld connection device includes lathe, laser emitter, laser optical path component and control module, and control module and laser emitter are all provided with
It is placed in lathe, lathe is for placing welded workpiece.The quality factor of the light beam of laser transmitter projects is less than 1.8.Laser
Optical path component includes collimating mirror, galvanometer and F-Theta field lens, and collimating mirror is connect with laser emitter by optical fiber, collimating mirror with
Galvanometer connection, galvanometer are flexibly connected with lathe, and galvanometer is connect with F-Theta field lens.Light beam is transmitted through the fiber to collimating mirror, quasi-
For straight mirror by beam collimation at collimated light beam, collimated light beam is deflected to F-Theta field lens by galvanometer, and F-Theta field lens is by directional light
Beam focuses to welded workpiece surface and is welded.CCD photographing module is electrically connected with control module.
Compared with prior art, the beneficial effect of laser soldering device and welding equipment provided by the utility model is:
Laser soldering device and welding equipment provided by the utility model, the beam quality M of laser transmitter projects2<
1.8, the anti-material of height that light beam can penetrate is thicker.It is quasi- by optical fiber by the beam Propagation of laser transmitter projects to collimating mirror
For straight mirror by beam collimation at collimated light beam, collimated light beam is deflected to F-Theta field lens by galvanometer, and F-Theta field lens is by directional light
Beam focuses to welded workpiece surface and is welded.Collimating mirror, galvanometer and F-Theta field lens light beam is accurately controlled be transmitted to
The surface of welding workpiece, quasi- for the control of spot size accurate, weld strength is high, while weld appearance is good, meets to welding
The requirement of appearance.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the laser soldering device that the embodiments of the present invention provide；
Fig. 2 is enlarged structure schematic diagram at II in Fig. 1；
Fig. 3 is the helix schematic diagram from inside to outside that the embodiments of the present invention provide；
Fig. 4 is the ecto-entad helix schematic diagram that the embodiments of the present invention provide.
Icon: 10- laser soldering device；100- lathe；200- laser emitter；300- laser optical path component；400- control
Molding block；500- welded workpiece；110- cabinet；120- workbench；130- upright bar；140- installation part；310- collimating mirror；320-
Galvanometer；330-F-Theta field lens；340- optical fiber；350- connector；360- reflecting mirror；410- industrial personal computer；420- control card；
430- display.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural representation for the laser soldering device 10 that the embodiments of the present invention provide
Figure, Fig. 2 are enlarged structure schematic diagram at II in Fig. 1.A kind of laser soldering device 10 is present embodiments provided, can accurately be controlled
Spot size processed, not only weld strength is high and weld appearance is met the requirements.
Laser soldering device 10 provided in this embodiment can be used for carrying out precision welding to metal material, especially
It is good can accurately to control spot size, weld strength height and appearance for 0.2mm metal material below.Also it can be applied to 3C
(computer, Computer, communication, Communication and consumption electronic product, Consumer Electronic) electronics produces
Internal or external some microstructure parts of product can also be applied to some fine structure devices such as medicine, energy saving battery.
Laser soldering device 10 provided in this embodiment includes lathe 100, laser emitter 200, laser optical path component 300
With control module 400, control module 400 and laser emitter 200 are arranged in lathe 100, and lathe 100 is to be welded for placing
Workpiece 500 is connect, and to provide workbench when workpiece welding.Laser emitter 200 is for emitting light beam, the beam quality of transmitting
Factor M2<1.8.Beam quality factor: M2Equal to the waist width of actual light beam and the product of far field diverging friendship divided by ideal beam
Waist width and far field diverging hand over product.For beam quality factor closer to 1, beam quality is better.
Laser optical path component 300 includes collimating mirror 310, galvanometer 320 and F-Theta field lens 330.F-Theta field lens 330:
The lens near object lens focal plane that work are known as field lens, also referred to as F-Theta field lens 330.It is not change optical system light
Under the premise of learning characteristic, change the position of imaging beam.Collimating mirror 310 is connect with laser emitter 200 by optical fiber 340, quasi-
Straight mirror 310 is connect with galvanometer 320, and galvanometer 320 is flexibly connected with lathe 100, and galvanometer 320 is connect with F-Theta field lens 330.Light
Beam is transmitted to collimating mirror 310 by optical fiber 340, and collimating mirror 310 is by beam collimation at collimated light beam, and galvanometer 320 is by collimated light beam
F-Theta field lens 330 is deflected to, collimated light beam is focused to 500 surface of welded workpiece and welded by F-Theta field lens 330.
It should be noted that being flexibly connected between galvanometer 320 and lathe 100 can be close to or far from machine for galvanometer 320
Bed 100, in order to close to or far from the welded workpiece 500 on lathe 100, according between galvanometer 320 and welded workpiece 500
Distance carry out butt welding and connect to be adjusted.It should be noted simultaneously that the laser beam emitted from laser emitter 200 is hair
Spreading beam, divergent beams are transmitted to collimating mirror 310 by optical fiber 340, and divergent beams collimation is become directional light by collimating mirror 310
Beam, loss of collimated light beam during subsequent transmission is controllable, in order to focus to light beam for subsequent F-Theta field lens 330
500 surface of welded workpiece provides the light beam of more high quality, to obtain higher weld strength and preferable weld appearance.
Optionally, laser optical path component 300 further includes connector 350 and reflecting mirror 360, and reflecting mirror 360 is mounted on connection
On part 350.Collimating mirror 310 and galvanometer 320 are connected by connector 350, are in 45 degree of angles between reflecting mirror 360 and collimating mirror 310
Setting, between reflecting mirror 360 and galvanometer 320 also in 45 degree setting, with by reflecting mirror 360 will collimating mirror 310 collimate after put down
Row beam Propagation is to galvanometer 320.
Optionally, lathe 100 includes cabinet 110, workbench 120 and upright bar 130, and workbench 120 is arranged on cabinet 110
Surface, the position of F-Theta field lens 330 is in the top of workbench 120, in order to which F-Theta field lens 330 can focus to light beam
Welded workpiece 500 is welded on workbench 120.Upright bar 130 is connect with workbench 120, control module 400 and laser hair
Emitter 200 is arranged in cabinet 110, and galvanometer 320 is connect with upright bar 130, and galvanometer 320 can be close or remote by upright bar 130
From workbench 120.
It should be noted that between galvanometer 320 and workbench 120 close to or far from can pass through upright bar 130 and work
The liftable connection of platform 120 is to realize, at this point, between galvanometer 320 and upright bar 130 by the way of being fixedly connected；It can also lead to
The mode that is slidably connected between galvanometer 320 and upright bar 130 is crossed to realize.
It is understood that galvanometer 320 can be hand close to or far from the control mode of workbench 120 by upright bar 130
Dynamic control, or automatically control.
Optionally, for the ease of between galvanometer 320 and workbench 120 close to or far from lathe 100 further includes installation part
140, installation part 140 is slidably connected with upright bar 130, and galvanometer 320 is fixedly connected with installation part 140.Pass through installation part 140 and upright bar
It is close to each other or separate between galvanometer 320 and workbench 120 that sliding between 130 drives the movement of galvanometer 320 to realize.
Optionally, control module 400 includes industrial personal computer 410, control card 420 and display 430, control card 420 and industry control
Machine 410 is electrically connected, and galvanometer 320 and laser emitter 200 are electrically connected with control card 420 respectively, control card 420 and industrial personal computer 410
It is respectively positioned in lathe 100, external control software is provided in industrial personal computer 410, external control software is for drawing weld pattern and adjusting laser
200 parameter of transmitter.The shape of the weld pattern of external control Software on Drawing is helix shape, and the trend of helix can be interior spiral shell
Rotation or external spiral.External control Software on Drawing weld pattern and the welding parameter for adjusting laser emitter 200, pass through industrial personal computer 410
It is handed down to control card 420, then is emitted signal in laser emitter 200 by control card 420, is realized to welded workpiece 500
Welding.
It should be noted that VGA (Video Graphics can be used between display 430 and industrial personal computer 410
Array, Video Graphics Array) or HDMI (high-definition multimedia interface, High DeFinition Multimedia
) etc. InterFace data lines are attached.It can be carried out by USB data line between industrial personal computer 410 and control card 420
Connection.It is connected between galvanometer 320 and control card 420 by control line, equally, between laser emitter 200 and control card 420
It can be connected by control line.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the helix schematic diagram from inside to outside that the embodiments of the present invention provide, Fig. 4
The ecto-entad helix schematic diagram provided for the embodiments of the present invention.Laser emitter 200 provided in this embodiment can
Think that (beam quality factor is about for NS (nanosecond, pulse is in nanosecond rank) laser or QCW (quasi-continuous) single-mode laser
1.1).For when being welded to welded workpiece 500 by the way of stitch welding: by the first material and the second material to be welded
Material heap stacks, wherein the first material is metal or alloy material, the second material is metal or alloy material.Weld pattern is
The helix pattern of Software on Drawing is controlled, the characteristic size of weld pattern is in 0.1-5mm.Use Energy distribution for Gaussian Profile
Laser, the beam quality M of laser2< 1.8, better beam quality can penetrate the thicker anti-material of height, increase Gao Fancai
Expect the absorptivity for laser, forms U-shaped molten bath in upper and lower level welding material, obtain higher weld strength.Meanwhile it can be with
It is welded, can preferably protection materials appearance and reduction be splashed, it might even be possible to reach no splashing using CW (continuous) mode
Effect, finally meet weld strength and weld appearance requirement.
Specifically, by taking the phosphor bronze stitch welding with a thickness of 0.2mm thickness as an example, it is desirable that within 0.6mm, fusion penetration reaches spot size
To 1/3 thickness of subsurface material, weld strength with higher and preferable appearance.Using QCW single-mode laser (M2About
1.1), the F-Theta field lens 330 of the collimating mirror 310 of F100, the galvanometer 320 of Φ 14mm and F160 is straight using external control Software on Drawing
Diameter is the helix of 0.5mm, and welding direction from inside to outside, and is arranged CW mode, 5 points is welded, between dot center and dot center
Away from 1mm.Using, without splashing, surfacing, fusion penetration can reach the 0.085mm of subsurface material, under being more than after the welding of CW mode
The 1/3 of layer material, solder joint is reliable, and the intensity after welding can reach 148.7N, meets weld strength and weld appearance requirement.
Further, by taking the 301 stainless steel stitch welding with a thickness of thick 301 stainless steels of 0.1mm and 0.15mm thickness as an example, it is desirable that weldering
Point size cannot penetrate subsurface material within 0.4mm, and fusion penetration reaches 1/2 thickness of subsurface material, and welding breadth reaches
150mm × 150mm, and weld strength with higher and preferable appearance.Using QCW single-mode laser (M2About 1.1),
The F-Theta field lens 330 of the collimating mirror 310 of F150, the galvanometer 320 of Φ 20mm and F330 is using external control Software on Drawing diameter
From inside to outside, and CW mode is arranged in the helix of 0.35mm, welding direction, welds 3 points, and the spacing of dot center and dot center exists
0.8mm.Using without splashing, surfacing, fusion penetration can reach the 0.07mm of subsurface material, about subsurface material after the welding of CW mode
1/2, solder joint is reliable, and the F-Theta field lens 330 of F330, which can make to weld breadth, reaches 150mm × 150mm, and after welding
Single-point intensity can reach 30N, meet weld strength and weld appearance requirement.
The present embodiment also provides a kind of welding equipment, and welding equipment includes CCD (Charge-coupled Device charge
Coupling element) photographing module and laser soldering device 10, CCD photographing module be electrically connected with control module 400.It is imaged by CCD
Module can show the workpiece surface weld appearance after welding, convenient for observation.
Laser soldering device 10 and welding equipment provided in this embodiment the utility model has the advantages that
Laser soldering device 10 and welding equipment provided in this embodiment, the beam quality M that laser emitter 200 emits2<
1.8, the anti-material of height that light beam can penetrate is thicker.The beam Propagation for being emitted laser emitter 200 by optical fiber 340 extremely collimates
Mirror 310, for collimating mirror 310 by beam collimation at collimated light beam, collimated light beam is deflected to F-Theta field lens 330, F- by galvanometer 320
Collimated light beam is focused to 500 surface of welded workpiece and welded by Theta field lens 330.Collimating mirror 310, galvanometer 320 and F-
Light beam is accurately controlled the surface for being transmitted to welded workpiece 500 by Theta field lens 330, quasi- for the control of spot size accurate,
Weld strength is high, while weld appearance is good, meets the requirement to weld appearance.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of laser soldering device, for being welded to welded workpiece, which is characterized in that the laser soldering device packet
Lathe, laser emitter, laser optical path component and control module are included, the control module and the laser emitter are all set in
In the lathe, the lathe is for placing the welded workpiece；
The quality factor of the light beam of the laser transmitter projects is less than 1.8；
The laser optical path component includes collimating mirror, galvanometer and F-Theta field lens, and the collimating mirror and the laser emitter are logical
Cross optical fiber connection, the collimating mirror connect with the galvanometer, and the galvanometer is flexibly connected with the lathe, the galvanometer with it is described
The connection of F-Theta field lens；
The light beam is transmitted to the collimating mirror by the optical fiber, the collimating mirror by the beam collimation at collimated light beam,
The collimated light beam is deflected to the F-Theta field lens by the galvanometer, and the F-Theta field lens focuses the collimated light beam
It is welded to the welded workpiece surface.
2. laser soldering device according to claim 1, which is characterized in that the laser optical path component further includes connector
And reflecting mirror, the reflecting mirror are set to the connector, the collimating mirror is connect with the galvanometer by the connector.
3. laser soldering device according to claim 1, which is characterized in that the lathe includes cabinet, workbench and stands
Bar, the workbench are connect with the cabinet, and the upright bar is connect with the workbench, the control module and laser hair
Emitter is all set in the cabinet, and the galvanometer is set to the upright bar, and the galvanometer can be close to or far from the workbench.
4. laser soldering device according to claim 3, which is characterized in that the upright bar liftably with the workbench
Connection.
5. laser soldering device according to claim 3, which is characterized in that the galvanometer is slidably connected with the upright bar.
6. laser soldering device according to claim 3, which is characterized in that the lathe further includes installation part, the peace
Piece installing is slidably connected with the upright bar, and the installation part is fixedly connected with the galvanometer.
7. laser soldering device according to claim 1, which is characterized in that the control module includes industrial personal computer, control
Card and display, the control card and the industry control mechatronics, the galvanometer and the laser emitter respectively with the control
Fabrication electrical connection, the control card and the industrial personal computer are respectively positioned in the lathe, and external control software is provided in the industrial personal computer,
The external control software is for drawing weld pattern and adjusting the laser emitter parameter.
8. laser soldering device according to claim 7, which is characterized in that the weld pattern is helix pattern.
9. laser soldering device according to claim 1, which is characterized in that the laser emitter be NS laser or
QCW single-mode laser.
10. a kind of welding equipment, which is characterized in that the welding equipment includes appointing in CCD photographing module and such as claim 1-9
Laser soldering device described in meaning one, the CCD photographing module are electrically connected with the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040056.6U CN209349695U (en) | 2018-12-05 | 2018-12-05 | Laser soldering device and welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040056.6U CN209349695U (en) | 2018-12-05 | 2018-12-05 | Laser soldering device and welding equipment |
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| Publication Number | Publication Date |
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| CN209349695U true CN209349695U (en) | 2019-09-06 |
Family
ID=67798492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822040056.6U Active CN209349695U (en) | 2018-12-05 | 2018-12-05 | Laser soldering device and welding equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230300A (en) * | 2020-03-16 | 2020-06-05 | 苏州光韵达光电科技有限公司 | SMT (surface Mount technology) stepped template welding method and device |
| US20220347875A1 (en) * | 2021-05-03 | 2022-11-03 | The Gillette Company Llc | Methods of forming a razor blade assembly |
-
2018
- 2018-12-05 CN CN201822040056.6U patent/CN209349695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230300A (en) * | 2020-03-16 | 2020-06-05 | 苏州光韵达光电科技有限公司 | SMT (surface Mount technology) stepped template welding method and device |
| US20220347875A1 (en) * | 2021-05-03 | 2022-11-03 | The Gillette Company Llc | Methods of forming a razor blade assembly |
| US11945130B2 (en) * | 2021-05-03 | 2024-04-02 | The Gillette Company Llc | Methods of forming a razor blade assembly |
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