CN208800897U - A kind of slab laser soldering device of allowable clearance - Google Patents
A kind of slab laser soldering device of allowable clearance Download PDFInfo
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- CN208800897U CN208800897U CN201820503441.7U CN201820503441U CN208800897U CN 208800897 U CN208800897 U CN 208800897U CN 201820503441 U CN201820503441 U CN 201820503441U CN 208800897 U CN208800897 U CN 208800897U
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- laser
- laser spot
- lens
- vertical vibration
- soldering device
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Abstract
A kind of slab laser soldering device of allowable clearance, change the laser spot horizontal swing mechanism and laser spot vertical vibration mechanism of laser geometric shape including lens and for controlling lens movement, the lens are fixed in laser spot horizontal swing mechanism, the laser spot horizontal swing mechanism is rotatably connected on a bracket, and the bracket is fixed in laser spot vertical vibration mechanism.The utility model makes laser spot that can either make transverse movement in welding direction, it can be vertically moved again in welding direction, weld width can be increased by the horizontal swing of laser spot to be welded with the metal parts in gap, allow to carry out butt welding to the test plate (panel) of band gap, rather than just for corner connection and lap joint form, to improve the industrial feasibility of laser welding, depth of penetration can be increased in the case where not increasing laser power by the vertical vibration of laser spot simultaneously, reduce laser cost, improves welding efficiency.
Description
Technical field
The utility model relates to a kind of slab laser soldering devices of allowable clearance, and being specifically related to one kind can be applied to greatly
The laser soldering device in the fields such as thickness pipeline, passenger train, marine ships.
Background technique
Laser welding technology is widely used in the retrofits such as automobile, electronics due to the technical characterstics such as efficient, accurate, high-quality
Field.But since laser has the small characteristic of hot spot, cause it is high to assemble welding precision, between welding workpiece gap very little or
Even there cannot be gap, so that laser welding technology is restricted in industrial application, along with laser is at high cost, cause
Precision Machining of the existing laser welding just for small thickness workpiece.
Patent No. USA WO 2016118555 patent of invention [2016118555 A1 of Patent USA No.WO:
Oscillating remote laser welding on a fillet lap joint.Авторы:F.
Hanschmann,J.M.Clayton,S.Garner.Magna International Inc.B23K26/242, B23K26/
082.28.07.2016. it] discloses and a kind of welds fillet weld and overlap welding in such a way that the figure of eight is repeated in laser head
Seam increases the arc width of angle joint by the cephalomotor mode of laser to the gap between two parts of compensation, fillet
Width depends on the cephalomotor amplitude of laser.But the disadvantages of the method are as follows molten bath increases and required laser function when laser rotation
Rate increases, and this method is only applicable to corner connection and overlap joint, is not suitable for docking, the especially docking of slab.
Utility model patent [the PatentUA 2413265C2:Deviceforfocus of Patent No. UA2413265C2
inglaserradiation.Authors:SirotkinO.S.,BlinkovV.V., KondratyukD.I.Ministryof
EducationandScienceoftheRussianFederation,VAT "NationalInstituteofAviationTe
Chnologies " .G02B27/16.27.02.2011.] a kind of change laser spot device is disclosed, by controlling laser spot
The thick plates cutting that low-power (2-3kW) carries out high quality can be used in vertical movement direction.The shortcomings that equipment be need using
A large amount of annular piezoelectric element controls vertically moving position (about ± 5mm) for condenser lens, and the equipment can only be by swashing
Light can not be laterally moved in the movement of vertical direction.
Summary of the invention
The purpose of this utility model is that for problem and shortage existing for the big thickness workpiece technology of laser welding band gap,
A kind of slab laser soldering device of allowable clearance is provided, can reduce assembly precision requirement when welding, with minimum laser
Power cost obtains satisfied connector.
The technical solution of the utility model is achieved in that
The slab laser soldering device of allowable clearance described in the utility model, its main feature is that: including lens and for controlling
Lens movement swings laterally mechanism and laser spot vertical vibration mechanism with the laser spot for changing laser geometric shape, wherein institute
It states lens to be fixed in laser spot horizontal swing mechanism, the laser spot horizontal swing mechanism is rotatably connected to one
On frame, the bracket is connected on welding torch casing by laser spot vertical vibration mechanism.
Wherein, the laser spot horizontal swing mechanism includes the shell being rotatably connected with bracket by shaft, setting
Linking arm on shell and the oscillating control device for being drivingly connected arm up and down motion, the shaft and linking arm are located at shell
At the different location of body, the lens are immobilized in the shell, the shell under the drive of the linking arm of up and down motion around the shaft
Positive and negative to transfer to make lens rotary oscillation, when laser beam passes through the lens of rotary oscillation, laser spot is made horizontal with the rotation of lens
To swing.Moreover, it is provided with rubber pad brake A on the bracket in order to guarantee that swing position is accurate and the smoothness of vibration,
The connecting rod protruded into rubber pad brake A is provided on the shell.
The oscillating control device includes the armature A with the solenoid A and controller A being connected with solenoid A, the electricity
Pivot A is located at the outside of shell and is provided with the opening protruded into for linking arm, and the armature A is moved up and down by controller A control
And linking arm is driven to move up and down.
Laser spot vertical vibration mechanism includes fixing seat, sliding seat and is arranged between fixing seat and sliding seat
For driving the vertical vibration control device of the relatively fixed seat vertical up-or-down movement of sliding seat, the fixing seat and welding torch casing connect
Fixation is connect, the bracket is fixed in sliding seat and so that vertical lens is shaken by the band movement vertical up-or-down movement of sliding seat
Dynamic, when laser beam passes through the lens of vertical vibration, laser spot makees vertical vibration with lens.Moreover, in order to guarantee to vibrate position
Accurate and vibration smoothness is set, the upper and lower ends of the armature B are provided with rubber pad brake B.
The vertical vibration control device includes the armature B with solenoid B and the controller B that is connected with solenoid B, institute
It states solenoid B to be mounted in fixing seat, the armature B is mounted in sliding seat, and the armature B is controlled up and down by controller B
It moves and sliding seat is driven to make vertical up-or-down movement.
The hunting frequency of laser spot horizontal swing mechanism is 10~500Hz, and amplitude of fluctuation is 0.5~10mm.
The vibration frequency of laser spot vertical vibration mechanism is 10~500Hz, and amplitude is 0.5~10mm.
The utility model compared with prior art, has the advantage that
The utility model swings laterally mechanism by laser spot and laser spot vertical vibration mechanism forms due to using
The structure of laser soldering device, laser spot can either make transverse movement in welding direction when welding, and can be in welding direction
It is vertically moved, weld width can be increased by the horizontal swing of laser spot to be welded with the metal parts in gap, allowed
Butt welding is carried out to the test plate (panel) of band gap, rather than just corner connection and lap joint form is directed to, to improve laser welding
Industrial feasibility, while penetration depth can be increased in the case where not increasing laser power by the vertical vibration of laser spot
Degree, improves welding efficiency.The utility model can weld big thickness (being less than 20mm) metal parts of band gap, reduce simultaneously
Laser cost.
The utility model will be further described below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model.
Fig. 2 is the present invention looks up structural representation of the utility model.
Fig. 3 is the schematic view of the front view that laser spot described in the utility model swings laterally mechanism.
Specific embodiment
As shown in Figure 1-Figure 3, the slab laser soldering device of allowable clearance described in the utility model, including lens 1 and use
Change the laser spot horizontal swing mechanism 2 and laser spot Vertical Vibrating motivation of laser geometric shape in the movement of control lens 1
Structure 3.Movement while in order to effectively realize lens 1 in different directions, lens 1 are fixed on laser spot horizontal swing mechanism 2
On, laser spot horizontal swing mechanism 2 is rotatably connected on a bracket 4, which passes through laser spot Vertical Vibrating motivation
Structure 3 is connected on welding torch casing (being not drawn into figure).Moreover, different structures can be set into bracket 4, in present embodiment
In, bracket 4 is tube-in-tube structure.
In order to effectively realize the horizontal swing of lens 1, it includes passing through shaft with bracket 4 that laser spot, which swings laterally mechanism 2,
22 shells 21 being rotatably connected, the linking arm 23 being arranged on shell 21 and the pendulum to move up and down for being drivingly connected arm 23
Dynamic control device.Wherein, shaft 22 and linking arm 23 are located at the different location of shell 21, in the present embodiment, shaft 22
Two are symmetrically arranged with by symmetric points of the center of shell 21, at 90 degree between the axial line and linking arm 23 of two shafts 22
Angle.Lens 1 are fixed in shell 21, shell 21 under the drive of the linking arm 23 of up and down motion around the shaft 22 it is positive and negative then realize
The horizontal swing of lens 1, i.e., when laser beam 5 passes through the lens 1 of rotary oscillation, laser spot is rotated with lens 1 makees laterally pendulum
It is dynamic.Moreover, swinging laterally mechanism 2 to control the hunting frequency of lens 1 by laser spot is 10~500Hz, amplitude of fluctuation 0.5
~10mm.Meanwhile in the present embodiment, oscillating control device include the armature A25 with solenoid A24 and with solenoid A24
The controller A26 being connected, armature A25 are located at the outside of shell 21 and are provided with the opening protruded into for linking arm 23, armature A25
Being moved up and down by controller A26 control drives linking arm 23 to move up and down.Wherein, controller A26 is by pulse locator
It is formed with telecommunication signal amplifier.It, can be in addition, other than realizing the up and down motion of linking arm 23 using armature A25
The up and down motion of linking arm 23 is realized using gear and rack teeth mechanism, offers on rack gear open for what linking arm 23 protruded at this time
Mouthful；Alternatively, being drivingly connected the up and down motion of arm 23 using cylinder.In order to guarantee that swing position is accurate and the smoothness of vibration,
It is provided with rubber pad brake A27 on bracket 4, while being provided with the company protruded into rubber pad brake A27 on shell 21
Bar 28, and the rubber pad brake A27 is opposite with the position of armature A25, the position opening of respective link 28.
In order to effectively realize the vertical vibration of lens 1, laser spot vertical vibration mechanism 3 includes fixing seat 31, sliding seat
32 and be arranged between fixing seat 31 and sliding seat 32 for driving relatively fixed 31 vertical up-or-down movement of seat of sliding seat 32
Vertical vibration control device.Wherein, fixing seat 31 is connected and fixed with welding torch casing, and bracket 4 is fixed on sliding seat 32 by anchor pole
The vertical vibration upper and by sliding seat 32 that lens 1 are realized with movement vertical up-or-down movement, i.e., when laser beam 5 passes through vibration
Vertical vibration is done when dynamic 1 focal plane position of lens.Moreover, controlling the vibration of lens 1 by laser spot vertical vibration mechanism 3
Dynamic frequency is 10~500Hz, and amplitude is 0.5~10mm.In the present embodiment, fixing seat 31 and sliding seat 32 are with shell 21
Center be symmetric points be symmetrically arranged two, be respectively equipped between the fixing seat 31 and sliding seat 32 of phase the same side
Vertical vibration control device, the vertical vibration control device include the armature B34 with solenoid B33 and are connected with solenoid B33
The controller B35 connect.Wherein, controller B35 is made of pulse locator and telecommunication signal amplifier, and solenoid B33 is mounted on
In fixing seat 31, armature B34 is mounted in sliding seat 32, and armature B34 controls the drive activity that moves up and down by controller B35
Seat 32 makees vertical up-or-down movement.In addition it is also possible to substitute armature B34 using cylinder, the piston rod and sliding seat of cylinder at this time
32 are connected, and the cylinder body of cylinder is connected with fixing seat 31, and sliding seat 32 is driven by the stretching motion of the piston rod of cylinder
Make vertical up-or-down movement.It is, of course, also possible to realize the up and down motion of sliding seat 32 by other structures form.In order to guarantee to shake
Dynamic position is accurately and the smoothness of vibration, the upper and lower ends of armature B34 are provided with rubber pad brake B36.
The utility model it is applied widely, lens 1 can be made in the transverse direction of welding direction according to actual service condition
The movement of one of direction or both direction with vertical direction move simultaneously, so that the corner connection of slab both may be implemented and taken
It connects, the butt welding of slab allowable clearance also may be implemented.
It is further described below by using effect of the specific embodiment to the utility model.
Embodiment 1:
It is tested using Nd:YAG laser, the SM41B alloy of 5mm is welded under identical laser power and speed
Steel obtains laser weld joint cross-sectional view.Laser spot is in welding process with hunting frequency f=30Hz, amplitude of fluctuation A=
3mm is swung laterally, the laser weld joint cross-sectional view of acquisition, workpiece gap 1.0mm.In welding process laser spot without
The laser weld joint cross-sectional view obtained in the case of swing, workpiece gap 0.4mm.Experiments have shown that laser spot horizontal swing increases
The weld width of welding point is added, has further illustrated that laser spot horizontal swing reduces in laser beam welding between workpiece
The requirement of gap improves the applicability of laser welding.
Embodiment 2:
It is tested using Nd:YAG laser, the stainless steel of 6mm is welded under identical laser power and speed, obtained
Laser weld joint cross-sectional view.The laser weld joint cross section obtained in laser spot situation without friction in welding process
Scheme, laser spot carries out vertical vibration, the Laser Welding of acquisition with vibration frequency f=500Hz, amplitude A=1.5mm in welding process
Connector cross-sectional view.Experiments have shown that laser spot vertical vibration increases the depth of penetration of welding point.Illustrate vertical vibration
Increase absorption of the steel to laser energy, is increased using the plate thickness that same laser power can weld, efficiency improves, simultaneously
Laser cost is saved.
Embodiment 3:
It is tested using Nd:YAG laser, the TC4 titanium alloy of 8mm is welded under identical laser power and speed,
Obtain laser weld joint cross-sectional view.The laser weld joint obtained in laser spot situation without friction in welding process is transversal
Face figure, laser spot carries out vertical vibration with vibration frequency f=500Hz, amplitude A=1.5mm in welding process, while to swing
Frequency f=30Hz, amplitude of fluctuation A=2mm are swung laterally, the laser weld joint cross-sectional view of acquisition.Experiments have shown that swashing
Optical focus vertical vibration and horizontal swing had not only increased the depth of penetration of welding point but also had increased weld width.Illustrate Vertical Vibrating
Dynamic and horizontal swing increases absorption of the steel to laser energy, while reducing the requirement to workpiece gap, using the Laser Welding
The slab material that connection device is capable of welded bands certain interval (increases, increased thickness is by vibration condition than original thickness that can be welded
It determines).
The utility model is to be described by embodiment, but be not construed as limiting to the utility model, practical referring to this
Novel description, other variations of the disclosed embodiments, is such as readily apparent that the professional person of this field, such
Variation should belong within the scope of the utility model claims restriction.
Claims (9)
1. a kind of slab laser soldering device of allowable clearance, it is characterised in that: including lens (1) and for controlling lens (1)
Movement swings laterally mechanism (2) and laser spot vertical vibration mechanism (3) with the laser spot for changing laser geometric shape, wherein
The lens (1) are fixed in laser spot horizontal swing mechanism (2), and laser spot horizontal swing mechanism (2) can be rotated
Ground is connected on a bracket (4), and the bracket (4) is connected on welding torch casing by laser spot vertical vibration mechanism (3).
2. the slab laser soldering device of allowable clearance according to claim 1, it is characterised in that: the laser spot is lateral
Swing mechanism (2) includes the company of the shell (21) being rotatably connected with bracket (4) by shaft (22), setting on shell (21)
Connect arm (23) and the oscillating control device for being drivingly connected arm (23) up and down motion, the shaft (22) and linking arm (23) position
At the different location of shell (21), the lens (1) are fixed in shell (21), company of the shell (21) in up and down motion
It connects under the drive of arm (23) positive and negative around the shaft (22) then makes lens (1) rotary oscillation, when laser beam (5) pass through rotary oscillation
When lens (1), laser spot is swung laterally with the rotation of lens (1).
3. the slab laser soldering device of allowable clearance according to claim 2, it is characterised in that: the oscillating control device
Including the armature A(25 with solenoid A(24)) and the controller A(26 that is connected with solenoid A(24)), the armature A(25)
Positioned at shell (21) outside and be provided with the opening protruded into for linking arm (23), the armature A(25) by controller A(26)
Control moves up and down and linking arm (23) is driven to move up and down.
4. the slab laser soldering device of allowable clearance according to claim 2, it is characterised in that: set on the bracket (4)
Be equipped with rubber pad brake A(27), be provided on the shell (21) and protrude into rubber pad brake A(27) in connecting rod
(28).
5. the slab laser soldering device of allowable clearance according to claim 1, it is characterised in that: the laser spot is vertical
Vibrating mechanism (3) includes that fixing seat (31), sliding seat (32) and setting are used between fixing seat (31) and sliding seat (32)
Drive the vertical vibration control device of sliding seat (32) relatively fixed seat (31) vertical up-or-down movement, the fixing seat (31) and weldering
Rifle cage connection is fixed, and the bracket (4) is fixed on sliding seat (32) and is acted vertically by the band of sliding seat (32)
It moves and makes lens (1) vertical vibration, when lens (1) of the laser beam (5) by vertical vibration, laser spot is with lens (1)
Make vertical vibration.
6. the slab laser soldering device of allowable clearance according to claim 5, it is characterised in that: the vertical vibration control
Device includes the armature B(34 with solenoid B(33)) and the controller B(35 that is connected with solenoid B(33)), the solenoid
B(33) it is mounted on fixing seat (31), the armature B(34) be mounted on sliding seat (32), the armature B(34) pass through control
Device B(35) it controls up and down motion and sliding seat (32) is driven to make vertical up-or-down movement.
7. the slab laser soldering device of allowable clearance according to claim 6, it is characterised in that: the armature B(34)
Upper and lower ends are provided with rubber pad brake B(36).
8. the slab laser soldering device of allowable clearance according to claim 1, it is characterised in that: the laser spot is lateral
The hunting frequency of swing mechanism (2) is 10~500Hz, and amplitude of fluctuation is 0.5~10mm.
9. the slab laser soldering device of allowable clearance according to claim 1, it is characterised in that: the laser spot is vertical
The vibration frequency of vibrating mechanism (3) is 10~500Hz, and amplitude is 0.5~10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820503441.7U CN208800897U (en) | 2018-04-10 | 2018-04-10 | A kind of slab laser soldering device of allowable clearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820503441.7U CN208800897U (en) | 2018-04-10 | 2018-04-10 | A kind of slab laser soldering device of allowable clearance |
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| CN208800897U true CN208800897U (en) | 2019-04-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439996A (en) * | 2020-10-20 | 2021-03-05 | 广东省科学院中乌焊接研究所 | Laser-arc hybrid welding method |
| CN115106655A (en) * | 2022-06-14 | 2022-09-27 | 中国科学院上海光学精密机械研究所 | Laser welding method for medium plate |
-
2018
- 2018-04-10 CN CN201820503441.7U patent/CN208800897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439996A (en) * | 2020-10-20 | 2021-03-05 | 广东省科学院中乌焊接研究所 | Laser-arc hybrid welding method |
| CN115106655A (en) * | 2022-06-14 | 2022-09-27 | 中国科学院上海光学精密机械研究所 | Laser welding method for medium plate |
| CN115106655B (en) * | 2022-06-14 | 2024-04-12 | 中国科学院上海光学精密机械研究所 | Laser welding method for medium plate |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 510000 363 Changxin Road, Tianhe District, Guangzhou, Guangdong. Patentee after: China Uzbekistan Welding Research Institute Guangdong Academy of Sciences Address before: 510651 No. 363, Changxin Road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangdong Welding Institute (China-Ukraine E.O. Paton Institute of Welding) |