CN110434467A - Welding battery equipment and its welding method - Google Patents
Welding battery equipment and its welding method Download PDFInfo
- Publication number
- CN110434467A CN110434467A CN201910598810.4A CN201910598810A CN110434467A CN 110434467 A CN110434467 A CN 110434467A CN 201910598810 A CN201910598810 A CN 201910598810A CN 110434467 A CN110434467 A CN 110434467A
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- welding
- battery
- welded
- linear motion
- laser
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Classifications
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- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The embodiment of the invention discloses a kind of welding battery equipment and its welding method, a kind of welding battery equipment includes: fixed station, including pedestal and fixed bracket；First linear motion device, the first linear motion device are able to drive battery opposite base and carry out linear reciprocal movement；Second linear motion device；Rotating device is connect with the second linear motion device, and rotating device can be driven by the second linear motion device carries out linear reciprocal movement with relatively fixed bracket, and the direction of motion of rotating device is vertical with the direction of motion of battery to be welded；Laser soldering device, under the cooperation of the first linear motion device, the second linear unit and rotating device, laser soldering device can be mobile relative to the side wall of battery to be welded, and the laser direction of laser soldering device is vertical with side wall always.The embodiment of the present invention improves the efficiency of welding, while can guarantee speed of welding stable and consistent, improves the welding quality of battery fillet part.
Description
Technical field
The present invention relates to welding jig technical field more particularly to a kind of welding battery equipment and its welding method.
Background technique
With flourishing for new energy market, the energy density of lithium ion battery is continuously improved, while the volume of battery
Also it is continuously increased.Common rectangular battery generally includes the shell being connected and top cover, and is placed in the multiple of enclosure interior
Single battery, wherein shell and top cover are generally made of metal material, so that battery has stronger non-deformability, Jin Erti
Rise its safety.Shell and top cover can be attached by welding, be welded frequently with laser, this welding side
The welding effect of formula is good, is suitble to the precision welding of seam.
One of the welding manner of common rectangular battery welds for latasuture.During latasuture weldering, need in battery case
Side wall welded.When being welded, four straight flanges of the latasuture on side wall are respectively welded using laser, wherein every completion
A straight flange is welded, needs to rotate 90 ° of battery, to weld next straight flange.When being welded using this kind of mode, pass through extension
The welding track of straight flange could complete the welding of fillet to cover the fillet part of battery case, so, battery fillet part
Welding quality is not high.In addition, the welding for completing a product needs laser machine switch four when being welded using aforesaid way
It is secondary, while battery being needed to rotate four times, it is clear that the efficiency of welding battery is lower.
In view of this, the purpose of the present invention is to provide a kind of new technical solutions to solve existing technological deficiency.
Summary of the invention
For this purpose, an object of the present invention is to provide a kind of welding battery equipment, to solve the circle of existing battery
Angle part welding quality is not high, the lower technical problem of welding efficiency.
The technical proposal adopted by the invention to solve the above technical problems is that:
A kind of welding battery equipment, comprising:
Fixed station, including pedestal and fixed bracket, the fixed bracket are arranged on the pedestal；
First linear motion device is arranged on the pedestal, and first linear motion device is able to drive electricity to be welded
The relatively described pedestal in pond carries out linear reciprocal movement；
Second linear motion device is arranged on the fixed bracket；
Rotating device is connect with second linear motion device, and the rotating device can be by the described second linear fortune
Dynamic device, which drives, carries out linear reciprocal movement with the relatively described fixed bracket, the direction of motion of the rotating device with it is described to be welded
The direction of motion of battery is vertical；
Laser soldering device is connect with the rotating device, drive of the laser soldering device in the rotating device
Under can be rotated relative to the battery to be welded, and in first linear motion device, second linear unit and institute
Under the cooperation for stating rotating device, the laser soldering device can be mobile relative to the side wall of the battery to be welded, and the laser
The laser direction of welder is vertical with the side wall of the battery to be welded always.
In a preferred embodiment, first linear motion device includes: first straight line guide rail, welding battery
Platform and first driving device, wherein the first straight line guide rail and the first driving device are connected with the pedestal, institute
It states welding battery platform to be connected with the first straight line guide rail and the first driving device, the first driving device being capable of band
The welding battery platform is moved to move along the first straight line guide rail.
In a preferred embodiment, the first driving device includes the first screw component and first motor, institute
It states the first screw component to be connected with the welding battery platform, the first motor drives described in the first screw component drive
The movement of welding battery platform.
In a preferred embodiment, the welding battery equipment further includes stationary fixture, and the stationary fixture is set
It sets on the welding battery platform, the battery to be welded can be fixed on the welding battery platform by the stationary fixture
On, and make a planar wall of the side wall of the battery to be welded parallel with the direction of motion of the battery to be welded.
In a preferred embodiment, the stationary fixture include: support frame, the first positionable wall, the second positionable wall,
First locating piece and the second locating piece, wherein support frame as described above is arranged on the welding battery platform and has stationary plane,
The stationary plane is opposite with the welding battery platform and interval is arranged and is provided with opening portion；First positionable wall and described
Second positionable wall, which is arranged, on the stationary plane and to be mutually perpendicular to, first positionable wall or second positionable wall described
Extending direction on stationary plane is parallel with the direction of motion of the battery；First locating piece is opposite with first positionable wall
And interval is arranged and can change the distance between described first positionable wall, second locating piece and the first positionable wall phase
Pair and interval be arranged and can change the distance between described second positionable wall；The battery is capable of fixing in first positioning
In the region that block, the second locating piece, the first positionable wall and the second positionable wall surround, and it is located inside the opening portion.
In a preferred embodiment, second linear motion device include: second straight line guide rail, sliding shoe with
And second driving device, wherein the second straight line guide rail and second driving device are connected with the fixed bracket, it is described
Sliding shoe is connected with the second straight line guide rail and second driving device, and second driving device is able to drive the cunning
Motion block is moved along the second straight line guide rail.
In a preferred embodiment, second driving device includes the second motor and the second screw component, institute
It states sliding shoe to be connected with second screw component, the second screw component described in second motor driven drives the sliding shoe
Movement.
In a preferred embodiment, the rotating device includes connector and rotation axis, wherein the connector
It is connected with the rotation axis and the laser soldering device, in the laser direction of the laser soldering device and the rotation axis
Heart axis direction is vertical, and can be around the center axis thereof.
In a preferred embodiment, the rotating device includes rotation axis and connector, wherein the connector
It is connected with the rotation axis, the laser soldering device is connected with the connector, the laser direction and the rotation axis
Central axial direction is vertical, and can be around the center axis thereof.
It is another object of the present invention to propose that a kind of cell welding process, the cell welding process are a kind of welding
The method that equipment implements welding to battery to be welded, the welding equipment include: the first linear motion device, the second linear movement dress
It sets, rotating device and laser soldering device, first linear motion device are connected with the battery to be welded, linear first
Under the drive of telecontrol equipment, the battery to be welded is able to carry out linear reciprocal movement；Second linear motion device with it is described
Rotating device connection, second linear motion device is able to drive the rotating device and carries out linear reciprocal movement, described to swash
Flush weld connection device is connect with the rotating device, and the laser soldering device being capable of opposite institute under the drive of the rotating device
State battery rotation to be welded, wherein the cell welding process includes the following steps:
Indicate the laser spot of the laser soldering device；
The central axis for adjusting the laser soldering device rotation is overlapped it with the laser spot；
According to the profile of the side wall of battery to be welded, welding track is imported；
In the whole welding process, adjusting the laser spot is overlapped it with the welding track, and makes the laser
Welder all welds in the laser spot, until welding finishes.
In a preferred embodiment, in the welding process, speed of welding V, the side wall of the battery to be welded
The radius of fillet part is R, rotation speed ω=V/4R of the laser soldering device.
Implement the embodiment of the present invention, will have the following beneficial effects:
After above-mentioned first linear motion device, the second linear motion device and rotating device, battery can
It is moved on the first linear motion device, rotating device can move on the second linear motion device, laser soldering device energy
It is enough to be rotated under the drive of rotating device around battery.Therefore when being welded, in the first linear motion device, the second linear fortune
So that laser soldering device is moved along the side wall of battery and vertical battery always under the linkage of dynamic device and laser soldering device
Side wall welded, realize laser welding assembling device and be once switched on, so that it may complete the gap on the side wall of entire battery
Welding.The efficiency of welding is improved thus, and can guarantee speed of welding stable and consistent, improves the welding matter of battery fillet part
Amount.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Wherein:
Fig. 1 is the schematic perspective view of welding battery equipment in one embodiment of the invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the schematic perspective view of stationary fixture in Fig. 1；
Fig. 4 is the welding timing diagram of welding battery equipment in one embodiment of the invention；
Fig. 5 is the flow chart of welding method in one embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the welding battery equipment can be used for the welding of rectangular lithium battery, it can also be used in other conjunctions certainly
The welding of the battery of conformal shape；In addition, the welding battery equipment is mainly used for latasuture weldering, certainly, it may also be used for other suitable
Welding manner.
Fig. 1 shows the structure composition schematic diagram of one embodiment of the invention, referring to Fig.1 in the present embodiment, the battery
Welding equipment mainly includes fixed station 100, the first linear motion device 200, the second linear motion device 300, rotating device 400
And laser soldering device 500.As shown in Figure 1, fixed station 100 includes pedestal 110 and fixed bracket 120, wherein fixed bracket
120 are arranged on pedestal 110, can be fixed on pedestal 110 by welding or threaded fastener.Fixed bracket 120 includes support
Leg 121 and fixed part 122, wherein fixed part 122 is fixed on the top for the leg-supporting 121 that two are placed in parallel.For another example Fig. 1
Shown, the first linear motion device 200 is arranged on pedestal 110, and the setting of the second linear motion device 300 is in fixed bracket 120
On, rotating device 400 is connected with the second linear motion device 300, and laser soldering device 500 is connected with rotating device 400.
As shown in Figure 1, the first linear motion device 200 mainly includes first straight line guide rail 210, first driving device 220
And welding battery platform 230.First straight line guide rail 210 is arranged on pedestal 110, in the present embodiment, first straight line guide rail
210 are arranged in parallel and at interval metal guide rail including two.Welding battery platform 230 is placed on first straight line guide rail 210 and phase
Mutually cooperation.First driving device 220 is arranged on pedestal 110, and first driving device 220 includes first motor 221 and first
Bar assembly 222, wherein first motor 221 can be direct current generator, stepper motor or servo motor.First screw component 222 with
First motor 221 is connected, and the first screw component 222 is connected with welding battery platform 230.First motor 221 can drive first
Screw component 222 rotates, and then drives welding battery platform 230 and the battery to be welded 600 being fixed thereon in first straight line
Straight reciprocating motion is carried out on guide rail 210.As shown in Figure 1, wherein for the convenience of description, orthogonal three on definition space
Reference axis is respectively that X-axis, Y-axis and Z axis, wherein X-axis and Y-axis are orthogonal two reference axis of same level, and Z axis is perpendicular
Histogram to reference axis.The direction of motion of welding battery platform 230 and battery to be welded 600 is identical as X-axis extending direction.At other
In embodiment, the mode that synchronous pulley can also be used replaces the first screw component 222 that battery 600 to be welded is driven to lead in first straight line
It is moved on rail 210.
As shown in Figure 1 to Figure 3, in the present embodiment, the first linear motion device 200 further includes stationary fixture 240, fixed
Fixture 240 is arranged on welding battery platform 230.In the present embodiment, stationary fixture 240 is positioned including support frame 241, first
Block 243, the second locating piece 244, the first positionable wall 245 and the second positionable wall 246.Support frame 241 passes through fixed device and electricity
Pond welding platform 230 be connected and have stationary plane 242, stationary plane 242 it is opposite with the top of welding battery platform 230 and interval
Setting.First positionable wall 245 and the second positionable wall 246 are arranged in a mutually vertical manner on stationary plane 242, wherein the first positionable wall 245
Or second extending direction of the positionable wall 246 on stationary plane 242 it is parallel with the direction of motion of battery 600 to be welded.
I.e. in the present embodiment, correspondingly, the first positionable wall 245 and the second positionable wall 246 prolong X-axis and Y-axis setting respectively.
First locating piece 243 and the first positionable wall 245 is opposite and interval is arranged, and the first locating piece 243 can change itself and first
The distance between positionable wall 245.In the present embodiment, the first locating piece 243 is provided with the head connecting with threaded rod, leads to
It crosses and screws corresponding threaded rod, control the distance between the first locating piece 243 and the first positionable wall 245.In addition, in stationary plane
The second locating piece 244 is additionally provided on 242, wherein the second locating piece 244 and the second positionable wall 246 is opposite and interval is arranged, the
The structure of two locating pieces 244 is similar with the structure of the first locating piece 243, can equally change it between the second positionable wall 246
Distance.
In use, the two-phase vertical planes wall of 600 side wall of battery to be welded is determined with the first positionable wall 245 and second
Position wall 246 offsets, while adjusting the first locating piece 243 and the second locating piece 244, so that the two is respectively to the first positionable wall
245 and second position the movement of 246 walls, to clamp up battery 600 to be welded in the direction of X-axis and the side of Y-axis, by battery to be welded
600, which are fixed on the first locating piece 243, the second locating piece 244, the first positionable wall 245 and the second positionable wall 246, is formed by region
In.Since battery 600 to be welded has certain height, it is not easy to grip.Therefore, opening is provided on stationary plane 242
Portion 247, battery 600 to be welded can be partially placed in opening portion 247 when fixed, and can be supported with welding battery platform 230, into
And realize the limit in Z-direction, while saving space.
As illustrated in fig. 1 and 2, the second linear motion device 300 is similar to the first linear motion device 200, specifically includes that
Two linear guides 310, the second driving device 320 and sliding shoe 330.Second straight line guide rail 310 and the second driving mounted box are all
It is arranged on fixed part 122.First straight line guide rail 210 is arranged in parallel and at interval metal guide rail including two, and sliding shoe 330 is placed
On second straight line guide rail 310 and cooperate.In the present embodiment, the second driving device 320 includes the second motor 321 and the
Two screw components 322, inner connecting way and building composition can refer to aforementioned first driving device 220.Second motor, 321 energy
It enough drives the second screw component 322 to rotate, and then sliding shoe 330 is driven to carry out linear reciprocation fortune on second straight line guide rail 310
It is dynamic.
As illustrated in fig. 1 and 2, rotating device 400 is arranged on sliding shoe 330, in the drive of the second linear motion device 300
Under, it can be moved along Y-axis.Rotating device 400 can be made of motor and retarder inside it, extended outward rotation axis
410.Rotation axis 410 extends along Z-direction, and can turn about the Z axis.In the present embodiment, rotating device 400 includes connector
420 and rotation axis 410, wherein connector 420 is connected with rotation axis 410, and opposite Z-direction is vertical.Laser soldering device
500 are connected with connector 420, under the drive of rotating device 400, can turn about the Z axis.In the present embodiment, Laser Welding is hinged with
500 are set as laser welding head, and is configured with protective gas device, wherein protective gas device can be passed through the protection gas such as carbon dioxide
Body.
As shown in Figures 1 to 4, in the welding process, first that battery 600 to be welded is fixed on X/Y plane, according to required weldering
Corresponding welding track 700 is arranged in the exterior contour of the battery to be welded 600 connect, in the present embodiment, first from from battery 600 to be welded
The end A on side wall is welded, and completes welding clockwise.As shown in figure 4, welding speed V in the whole processHKeep one
It causes, and the laser direction of laser soldering device 500 is vertical with the seam on the side wall of battery 600 to be welded always.It is welded
When, first guarantee that laser direction is parallel with Y direction, the first linear motion device 200 drives battery 600 to be welded in X direction at this time
With speed VXThe welding at the end A to the end B is completed in movement.Further, the first linear motion device 200 and the second linear movement dress
It sets 300 to move together, while laser soldering device 500 is about the z axis with certain angular velocity omegaZRotation, so that swashing in the welding process
Light direction is vertical with the fillet part BC of side wall of battery 600 to be welded always.Further, laser direction is parallel with X-axis, and second
Linear motion device 300 drives laser soldering device 500 along Y-axis with speed VYThe welding of C-terminal to the end D is completed in movement.Carry out
Weld cycle is stated, completes the welding of remaining welding track 700, it will not be described here for detailed process.
In conclusion as shown in figure 5, in one embodiment, using the welding equipment in above embodiments to battery to be welded
The method welded includes the following steps:
S1: the laser spot of mark laser soldering device 500；
S2: adjusting the central axis that laser soldering device 500 rotates is overlapped it with laser spot；
S3: according to the profile of the side wall of battery 600 to be welded, welding track 700 is imported；
S4: in the whole welding process, adjusting laser spot is overlapped it with welding track 700, and is hinged with Laser Welding
It sets 500 all to weld in laser spot, until welding finishes.
Openable protection device of air completes welding to be passed through protection gas during the welding process.In the present embodiment, according to
Welding track 700, under the cooperation of the first linear motion device 200, the second linear unit 300 and rotating device 400, Laser Welding
Connection device 500 can be mobile relative to the side wall of battery 600 to be welded, and the laser direction of laser soldering device 500 always with side
Wall is vertical.
Wherein in the welding process, speed of welding V, the radius of corner of battery 600 to be welded are R, laser soldering device 500
Rotation speed ω=V/4R.
According to above it is to be appreciated that when carrying out welding battery using the above welding equipment and welding method, especially
It is when carrying out the welding of rectangular battery, laser soldering device 500 need primary booting, the welding of entire latasuture can be completed,
Improve the efficiency of welding.Simultaneously by the control of motor, speed of welding can be kept consistent, realize higher welding quality.In
When being welded to the fillet part of the side wall of battery to be welded, it is ensured that laser direction is vertical with side wall always, is conducive to improve
The welding quality of fillet part, avoids that defocus, there are the generations of the bad phenomenons such as weld seam lap joint.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of welding battery equipment characterized by comprising
Fixed station, including pedestal and fixed bracket, the fixed bracket are arranged on the pedestal；
First linear motion device is arranged on the pedestal, and first linear motion device is able to drive battery phase to be welded
Linear reciprocal movement is carried out to the pedestal；
Second linear motion device is arranged on the fixed bracket；
Rotating device is connect with second linear motion device, and the rotating device can be filled by second linear movement
It sets drive and linear reciprocal movement, the direction of motion of the rotating device and the battery to be welded is carried out with the relatively described fixed bracket
The direction of motion it is vertical；
Laser soldering device is connect with the rotating device, laser soldering device energy under the drive of the rotating device
It is enough to be rotated relative to the battery to be welded, and in first linear motion device, second linear unit and described turn
Under the cooperation of dynamic device, the laser soldering device can be mobile relative to the side wall of the battery to be welded, and the laser welding
The laser direction of device is vertical with the side wall of the battery to be welded always.
2. welding battery equipment according to claim 1, which is characterized in that first linear motion device includes:
One linear guide, welding battery platform and first driving device, wherein the first straight line guide rail and the first driving dress
It sets and is connected with the pedestal, the welding battery platform is connected with the first straight line guide rail and the first driving device, institute
It states first driving device and is able to drive the welding battery platform and moved along the first straight line guide rail.
3. welding battery equipment according to claim 2, which is characterized in that the first driving device includes the first screw rod
Component and first motor, first screw component are connected with the welding battery platform, first motor driving described the
One screw component drives the welding battery platform movement.
4. welding battery equipment according to claim 2, which is characterized in that the welding battery equipment further includes fixing clamp
Tool, the stationary fixture are arranged on the welding battery platform, and the battery to be welded can be fixed on by the stationary fixture
On the welding battery platform, and make a planar wall of the side wall of the battery to be welded and the movement side of the battery to be welded
To parallel.
5. welding battery equipment according to claim 4, which is characterized in that the stationary fixture includes: support frame, first
Positionable wall, the second positionable wall, the first locating piece and the second locating piece, wherein support frame as described above setting is flat in the welding battery
On platform and there is stationary plane, the stationary plane is opposite with the welding battery platform and interval is arranged and is provided with opening portion；Institute
It states the first positionable wall and second positionable wall is arranged on the stationary plane and is mutually perpendicular to, first positionable wall or described
The extending direction on the stationary plane of second positionable wall is parallel with the direction of motion of the battery；First locating piece with
First positionable wall is opposite and interval is arranged and can change the distance between described first positionable wall, second locating piece
And interval opposite with first positionable wall is arranged and can change the distance between described second positionable wall；The battery can
It is fixed in the region that first locating piece, the second locating piece, the first positionable wall and the second positionable wall surround, and is located at institute
It states inside opening portion.
6. welding battery equipment according to claim 1, which is characterized in that second linear motion device includes:
Two linear guides, sliding shoe and the second driving device, wherein the second straight line guide rail and second driving device and institute
It states fixed bracket to be connected, the sliding shoe is connected with the second straight line guide rail and second driving device, and described second drives
Dynamic device is able to drive the sliding shoe and moves along the second straight line guide rail.
7. welding battery equipment according to claim 6, which is characterized in that second driving device includes the second motor
With the second screw component, the sliding shoe is connected with second screw component, the second screw rod described in second motor driven
Component drives the sliding shoe movement.
8. welding battery equipment according to any one of claim 1 to 7, which is characterized in that the rotating device includes
Connector and rotation axis, wherein the connector is connected with the rotation axis and the laser soldering device, the laser welding
The laser direction of device is vertical with the central axial direction of the rotation axis, and can be around the center axis thereof.
9. a kind of cell welding process, which is characterized in that the cell welding process is that a kind of welding equipment is real to battery to be welded
The method that welding connects, the welding equipment include: the first linear motion device, the second linear motion device, rotating device and
Laser soldering device, first linear motion device is connected with the battery to be welded, in the drive of the first linear motion device
Under, the battery to be welded is able to carry out linear reciprocal movement；Second linear motion device is connect with the rotating device, institute
State the second linear motion device and be able to drive the rotating device and carry out linear reciprocal movement, the laser soldering device with it is described
Rotating device connection, the laser soldering device can rotate under the drive of the rotating device relative to the battery to be welded,
Wherein, the cell welding process includes the following steps:
Indicate the laser spot of the laser soldering device；
The central axis for adjusting the laser soldering device rotation is overlapped it with the laser spot；
According to the profile of the side wall of battery to be welded, welding track is imported；
In the whole welding process, adjusting the laser spot is overlapped it with the welding track, and makes the laser welding
Device all welds in the laser spot, until welding finishes.
10. a kind of cell welding process according to claim 9, which is characterized in that in the welding process, speed of welding is
V, the radius of the fillet part of the side wall of the battery to be welded are R, rotation speed ω=V/4R of the laser soldering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598810.4A CN110434467B (en) | 2019-07-04 | 2019-07-04 | Battery welding equipment and welding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598810.4A CN110434467B (en) | 2019-07-04 | 2019-07-04 | Battery welding equipment and welding method thereof |
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| CN110434467A true CN110434467A (en) | 2019-11-12 |
| CN110434467B CN110434467B (en) | 2022-01-07 |
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| CN110434467B (en) | 2022-01-07 |
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Effective date of registration: 20220901 Address after: 518000 workshop 501, building 3, intelligent manufacturing center park, No. 12, Chongqing Road, Heping community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's lithium battery intelligent equipment Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |