CN106312313B - A kind of power battery pack laser automatic welding control method - Google Patents
A kind of power battery pack laser automatic welding control method Download PDFInfo
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- CN106312313B CN106312313B CN201610969431.8A CN201610969431A CN106312313B CN 106312313 B CN106312313 B CN 106312313B CN 201610969431 A CN201610969431 A CN 201610969431A CN 106312313 B CN106312313 B CN 106312313B
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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
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Abstract
The present invention proposes a kind of power battery pack laser automatic welding control method, Full-automatic welding can be realized by simple parameter input, double excitation welding equipment can be used to work by turns, greatly improve working efficiency, when needing to switch the model of battery pack, it is only necessary to carry out adjustment mechanically, then the modification switching battery pack model on PLC control touch screens, it is easy to operate, safeguard that modification is convenient；The good compatibility of product, a production line can cope with the laser welding of most soft-package battery group in the market, cost-effective；The controllability of welding precision is good；Use environment good compatibility, has a wide range of application.
Description
Technical field
The present invention relates to technical field of automatic control more particularly to a kind of power battery pack laser automation welding control system sides
Method.
Background technology
It is very universal to the technique of soft package lithium battery group welding using laser welding at present, it is essentially all by each
The nickel strap of two lugs of soft-package battery carries out Laser Welding with the substrate of copper nickel plating, and has different characteristics according to different polarity
Metal Material Welding.Currently, for the shape and size of lithium battery, the not stringent regulation of national standard, therefore with lithium battery
Application it is more and more extensive, the soft package lithium battery specification type of each producer is different, and the points of welding differ, especially swash
Light automatic welding production line is only to one or two kind of soft-package battery group welding, all to its technology application, marketing, cost price
There is no small limitation.
Since lithium battery group laser welding process needs, existing welding manner mostly uses the weldering of artificial loading board single machine
It connects, single product automatic welding production line carrys out completing technology requirement.
At least there is the deficiency of following aspect in the prior art：
1, traditional single product soft package lithium battery group laser automatic welding production line carries out whole control using high performance PLC
System, although tooling is simple, is well positioned to meet polytechnic requirement, the typing and analysis of continuity, data, can only expire
The technique of the battery group welding of the single model of foot, if switching model the debugging of laser welding production line can be caused it is bigger
It influences, and since debug time can influence to produce, complicated structure, expensive price, harsh technical maintenance requirement makes this
It plants automatic welding production line and excessive burden is brought to general welding user, so can not be used for well using processing and reality
In the production of border；
2, artificial loading board single machine is welded since the track of welding can be inputted by DXF files, switches the type of battery
It is number fairly simple, but stability is too poor, whole technological process compares too many levels, keeps its working efficiency extremely low, both can not be large quantities of
The carry out welding production of amount, and can not be continuously to battery pack others Function detection, installation and measurement, therefore it is complete to be welded into power
It can not ensure, the analysis and typing of data can not be carried out to the battery pack of entire technical process, this can be to the requirement of operating personnel
It is extremely harsh.
Invention content
In view of this, the present invention proposes the high power battery pack laser automatic welding of a kind of good compatibility, welding precision
Control method.
The technical proposal of the invention is realized in this way：A kind of power battery pack laser automatic welding control method, including
Following steps,
S1, PLC control system after the power is turned on, are initialized first, i.e. X-axis servo module, Y-axis servo module back to zero, and
Initial value is assigned to index variable, variable 1, variable 2, variable 3, variable 4, variable 5, variable 6, variable 7, variable 8, variable 9；
S2 is manually entered the lug number of each row of battery pack to be welded, each row of the number of rows of lug, each lug
Solder joint number, the adjacent welds spacing of each row of each lug, row's spacing of each row of each lug and each
The beginning point coordinate data of a lug；
The coordinate data storage of first lug to first address is added index, index amount initial value to be 0 by S3, according to index amount,
X-axis servo module, Y-axis servo module driving laser run to the starting point position of first lug；
S4, the relay control laser for executing light extraction beat next solder joint；
S5,1 initial value of variable are 0, and when going to this step, count is incremented, if variable 1 is less than the every of each lug
As soon as the solder joint number of row, the addition of variable 1 on the basis of the X axis coordinate data of the lug starting point, multiplied by with each lug
The adjacent welds spacing of each row then proceedes to execute step S3, until variable 1 is equal to the solder joint of each row of each lug
Number, starts to execute next step；
S6,2 initial value of variable are 0, and when going to this step, count is incremented, if variable 2 is less than the lug number of each row
When, then index amount adds 2, and variable 1 is reset, and is jumped to step S3 and is repeated, and when variable 2 is equal to the lug number of each row, opens
Beginning executes next step；
The lug number of each row of battery pack is first subtracted 1 by S7, and obtained result is multiplied by 2, gives last result to variable 3,
Then the index amount of X-axis and Y-axis all subtracts variable 3, and to obtain single initial index amount, 4 initial value of variable is 0, is executed
When to this step, count is incremented, first lug start on the basis of the Y axis coordinate data of point coordinates plus each lug it is every
Row's spacing of one row, the then clearing of variable 1, variable 2 reset, start to execute next step；
S8 then jumps to step S3 and repeats when variable 4 is less than 2, if variable 4 is equal to 2, starts to execute next
Step；
S9,5 initial value of variable are 0, and when going to this step, count is incremented, and laser only welds the odd row of battery pack,
When i.e. the number of rows of the lug of battery pack is 2 row, then variable 6, variable 7, variable 8, variable 9 are 0, only weld the 1st row；If battery
When the number of rows of the lug of group is 4 row, then variable 6 is 1, and variable 7, variable 8, variable 9 are 0, only weld the 1st row and the 3rd row；If
When the number of rows of the lug of battery pack is 6 row, then variable 6, variable 7 are 1, and variable 8, variable 9 are 0, only weld the 1st row, the 3rd row
With the 5th row；If the number of rows of the lug of battery pack is 8 row, variable 6, variable 7, variable 8 are 1, and variable 9 is 0, is only welded
1st row, the 3rd row, the 5th row and the 7th row；If the number of rows of the lug of battery pack be 10 row, variable 6, variable 7, variable 8,
Variable 9 is 1, only welds the 1st row, the 3rd row, the 5th row, the 7th row and the 9th row；Variable 6 is first looked at, if variable 6 is 1,
The lug number of each row of battery pack is multiplied by 4, and obtained result sends index amount to, then checks variable 7, if variable 7, variable
8, it when variable 9 is 0, then jumps in next step, if variable 7 is 1, the lug number of each row of battery pack is multiplied by 8, obtains
As a result it sends index amount to, then checks variable 8, if variable 8, variable 9 are 0, jump in next step, if variable 8
It is 1, then the lug number of each row is multiplied by 12, and obtained result sends index amount to, finally checks variable 9, if variable 9 is 0
When, then it jumps in next step, if variable 9 is 1, the lug number of each row of battery pack is multiplied by 16, obtained result transmission
Index amount is given, then is jumped in next step；
S10, if variable 5 is less than a half value of the number of rows of lug, variable 1, variable 2 and variable 4 are all reset, and are then weighed
It is multiple to start to execute step S3, when variable 5 is equal to a half value of the number of rows of lug, then execute next step；
S11, index amount are reset, X-axis servo module, Y-axis servo module back to zero, prepare the welding for starting next battery pack
Program.
The power battery pack laser automatic welding control method of the present invention has the advantages that compared with the existing technology：
(1) when needing to switch the model of battery pack, it is only necessary to carry out adjustment mechanically, then control touch screen in PLC
Upper modification switches battery pack model, easy to operate, safeguards that modification is convenient；
(2) good compatibility of product, a production line can cope with the Laser Welding of most soft-package battery group in the market
It connects, it is cost-effective；
(3) controllability of welding precision is good；
(4) use environment good compatibility has a wide range of application.
Description of the drawings
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 technology 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
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the welding schematic diagram of power battery pack laser automatic welding control method of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only some embodiments of the invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1, power battery pack laser automatic welding control method of the invention, can be used existing laser welding and sets
It is standby comprising Y-axis servo motor 1, X-axis servo motor 2, Y-axis servo module 3, relay 4, the X-axis servo module for executing light extraction
5, laser 6, wherein X-axis servo module 5, driving laser 6 are moved along X-direction；Y-axis servo module 3 drives laser 6
It is moved along Y direction；Y-axis servo motor 1 and X-axis servo motor 2 are driven with Y-axis servo module 3 and X-axis servo module 5 respectively
Connection provides the power of its advance；The relay 4 for executing light extraction is connect with 6 signal of laser；PLC control system (is not marked in figure
Show) it is connect respectively with 4 signal of relay of Y-axis servo motor 1, X-axis servo motor 2 and execution light extraction, to control laser 6
It is moved along X-axis, Y-axis, and lays solder joint 9 on the lug of battery pack 8.It should be noted that in order to improve working efficiency, this hair
Bright power battery pack laser automatic welding control method carries out flowing water welding using two laser welding apparatus to battery pack 8
(other one of position mark in figure), wherein a laser welding apparatus welds odd row lug, another laser welding apparatus weldering
Even rows lug is connect, in this way, working efficiency can be increased substantially.
Specifically, the power battery pack laser automatic welding control method of the present invention includes the following steps,
S1, initialization.PLC control system after the power is turned on, is initialized first, i.e. X-axis servo module 5, Y-axis servo module
3 back to zeros, and assigned to index variable, variable 1, variable 2, variable 3, variable 4, variable 5, variable 6, variable 7, variable 8, variable 9
Initial value.
S2 inputs setup parameter value.It is manually entered the lug number of each row of the battery pack 8 to be welded, number of rows of lug, every
Each row of the solder joint number of each row of one lug, the adjacent welds spacing of each row of each lug, each lug
Row's spacing and each lug beginning point coordinate data.
S3, control laser 6 navigate to position to be welded.The coordinate data of first lug is stored to first address and adds change
Location, index amount initial value is 0, and according to index amount, X-axis servo module 5, Y-axis servo module 3 drive laser 6 to run to first
The starting point position of lug；
S4 lays solder joint.The control laser 6 of relay 4 for executing light extraction beats next solder joint 9；
S5 lays corresponding solder joint according to the setting of the solder joint number of each row of each lug.1 initial value of variable is 0,
When going to this step, count is incremented, if variable 1 is less than the solder joint number of each row of each lug, just starts in the lug
The addition of variable 1 on the basis of the X axis coordinate data of point, multiplied by with the adjacent welds spacing of each row of each lug, then after
It is continuous to execute step S3, until solder joint number of the variable 1 equal to each row of each lug, start to execute next step；
S6, the positioning laser 6 between the adjacent lug of same row, and lay single all solder joints.2 initial value of variable is
0, when going to this step, count is incremented, if variable 2 is less than the lug number of each row, index amount adds 2, and variable 1 is reset,
It jumps to step S3 to repeat, when variable 2 is equal to the lug number of each row, starts to execute next step；
Laser 6 is navigated to next row bond pad locations by S7 according to row's spacing of each row of each lug of setting,
And lay all solder joints of next row.First the lug number of each row of battery pack is subtracted 1, obtained result is multiplied by 2, by last result
Variable 3 is given, then the index amount of X-axis and Y-axis all subtracts variable 3, and to obtain single initial index amount, variable 4 is initial
Value is 0, and when going to this step, count is incremented, and first lug starts on the basis of the Y axis coordinate data of point coordinates plus each
Row's spacing of each row of a lug, the then clearing of variable 1, variable 2 reset, start to execute next step；
S8 then jumps to step S3 and repeats when variable 4 is less than 2, if variable 4 is equal to 2, starts to execute next
Step；
Finally, in order to improve working efficiency, alternately welding is carried out using double excitation welding equipment, improves working efficiency.
S9,5 initial value of variable are 0, and when going to this step, count is incremented, the odd row of 6 welding battery packs of laser,
When i.e. the number of rows of the lug of battery pack is 2 row, then variable 6, variable 7, variable 8, variable 9 are 0, only weld the 1st row；If battery
When the number of rows of the lug of group is 4 row, then variable 6 is 1, and variable 7, variable 8, variable 9 are 0, only weld the 1st row and the 3rd row；If
When the number of rows of the lug of battery pack is 6 row, then variable 6, variable 7 are 1, and variable 8, variable 9 are 0, only weld the 1st row, the 3rd row
With the 5th row；If the number of rows of the lug of battery pack is 8 row, variable 6, variable 7, variable 8 are 1, and variable 9 is 0, is only welded
1st row, the 3rd row, the 5th row and the 7th row；If the number of rows of the lug of battery pack be 10 row, variable 6, variable 7, variable 8,
Variable 9 is 1, only welds the 1st row, the 3rd row, the 5th row, the 7th row and the 9th row；Variable 6 is first looked at, if variable 6 is 1,
The lug number of each row of battery pack is multiplied by 4, and obtained result sends index amount to, then checks variable 7, if variable 7, variable
8, it when variable 9 is 0, then jumps in next step, if variable 7 is 1, the lug number of each row of battery pack is multiplied by 8, obtains
As a result it sends index amount to, then checks variable 8, if variable 8, variable 9 are 0, jump in next step, if variable 8
It is 1, then the lug number of each row is multiplied by 12, and obtained result sends index amount to, finally checks variable 9, if variable 9 is 0
When, then it jumps in next step, if variable 9 is 1, the lug number of each row of battery pack is multiplied by 16, obtained result transmission
Index amount is given, then is jumped in next step；
S10, if variable 5 is less than a half value of the number of rows of lug, variable 1, variable 2 and variable 4 are all reset, and are then weighed
It is multiple to start to execute step S3, when variable 5 is equal to a half value of the number of rows of lug, then execute next step；
S11, index amount are reset, X-axis servo module 5,3 back to zero of Y-axis servo module, prepare the weldering for starting next battery pack
Connect program.
The foregoing is merely the better embodiments of the present invention, are not intended to limit the invention, all the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (1)
1. a kind of power battery pack laser automatic welding control method, it is characterised in that：Include the following steps,
S1, PLC control system after the power is turned on, are initialized first, i.e. X-axis servo module 5,3 back to zero of Y-axis servo module, and are given
Index variable, variable 1, variable 2, variable 3, variable 4, variable 5, variable 6, variable 7, variable 8, variable 9 assign initial value；
S2 is manually entered each row of the lug number of each row of battery pack 8 to be welded, the number of rows of lug, each lug
The adjacent welds spacing of each row of solder joint number, each lug, row's spacing of each row of each lug and each
The beginning point coordinate data of lug；
The coordinate data storage of first lug is added index by S3 to first address, and index amount initial value is 0, according to index amount, X-axis
Servo module 5, the driving laser 6 of Y-axis servo module 3 run to the starting point position of first lug；
S4, the control laser 6 of relay 4 for executing light extraction beat next solder joint 9；
S5,1 initial value of variable are 0, and when going to this step, count is incremented, if variable 1 is less than each row of each lug
Solder joint number, the just addition of variable 1 on the basis of the X axis coordinate data of the lug starting point, multiplied by with each of each lug
The adjacent welds spacing of row, then proceed to execute step S3, until variable 1 be equal to each lug each row solder joint number,
Start to execute next step；
S6,2 initial value of variable are 0, and when going to this step, count is incremented, if variable 2 is less than the lug number of each row,
Index amount adds 2, and variable 1 is reset, and is jumped to step S3 and is repeated, and when variable 2 is equal to the lug number of each row, starts to execute
In next step；
The lug number of each row of battery pack is first subtracted 1 by S7, and obtained result is multiplied by 2, gives last result to variable 3, then
The index amount of X-axis and Y-axis all subtracts variable 3, and to obtain single initial index amount, 4 initial value of variable is 0, goes to this
When one step, count is incremented, and first lug starts on the basis of the Y axis coordinate data of point coordinates plus each row of each lug
Row's spacing, then variable 1 reset, variable 2 reset, start to execute next step；
S8 then jumps to step S3 and repeats when variable 4 is less than 2, if variable 4 is equal to 2, starts to execute next step；
S9,5 initial value of variable are 0, and when going to this step, count is incremented, the odd row of 6 welding battery packs of laser, i.e., electric
When the number of rows of the lug of pond group is 2 row, then variable 6, variable 7, variable 8, variable 9 are 0, only weld the 1st row；If battery pack
When the number of rows of lug is 4 row, then variable 6 is 1, and variable 7, variable 8, variable 9 are 0, only weld the 1st row and the 3rd row；If battery
When the number of rows of the lug of group is 6 row, then variable 6, variable 7 are 1, and variable 8, variable 9 are 0, only weld the 1st row, the 3rd row and the 5th
Row；If the number of rows of the lug of battery pack is 8 row, variable 6, variable 7, variable 8 are 1, and variable 9 is 0, the 1st row of welding,
3rd row, the 5th row and the 7th row；If the number of rows of the lug of battery pack is 10 row, variable 6, variable 7, variable 8, variable 9 are
1, only weld the 1st row, the 3rd row, the 5th row, the 7th row and the 9th row；Variable 6 is first looked at, if variable 6 is 1, battery pack
The lug number of each row be multiplied by 4, obtained result sends index amount to, then checks variable 7, if variable 7, variable 8, variable
9 when being 0, then jumps in next step, if variable 7 is 1, the lug number of each row of battery pack is multiplied by 8, and obtained result passes
Index amount is given, then checks variable 8, if variable 8, variable 9 are 0, is jumped in next step, if variable 8 is 1,
The lug number of each row is multiplied by 12, and obtained result sends index amount to, finally checks variable 9, if variable 9 is 0, jumps
It goes in next step, if variable 9 is 1, the lug number of each row of battery pack is multiplied by 16, and obtained result sends index to
Amount, then jump in next step；
S10, if variable 5 is less than a half value of the number of rows of lug, variable 1, variable 2 and variable 4 are all reset, and are then repeated out
Begin to execute step S3, when variable 5 is equal to a half value of the number of rows of lug, then executes next step；
S11, index amount are reset, X-axis servo module 5,3 back to zero of Y-axis servo module, prepare the welding journey for starting next battery pack
Sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610969431.8A CN106312313B (en) | 2016-10-28 | 2016-10-28 | A kind of power battery pack laser automatic welding control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610969431.8A CN106312313B (en) | 2016-10-28 | 2016-10-28 | A kind of power battery pack laser automatic welding control method |
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| CN106312313B true CN106312313B (en) | 2018-07-13 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106670647A (en) * | 2017-02-27 | 2017-05-17 | 成都蒲江珂贤科技有限公司 | Production line equipment for circuit board surface device welding |
| CN107186403A (en) * | 2017-06-28 | 2017-09-22 | 华霆（合肥）动力技术有限公司 | A kind of tab welding system and method |
| CN111722588A (en) * | 2019-03-18 | 2020-09-29 | 青海凯之成智能装备有限公司 | Program design method based on power battery welding machine |
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| US4346282A (en) * | 1977-04-26 | 1982-08-24 | General Battery Corporation | Method of extrusion-fusion welding of lead parts through an aperture in a battery case |
| CN103753019A (en) * | 2014-01-03 | 2014-04-30 | 中达电通股份有限公司 | Control method and control system both used for battery laser welding |
| CN104722918A (en) * | 2015-02-16 | 2015-06-24 | 徐象华 | Nickel-base high energy battery electrode tab welding process |
| CN105215543A (en) * | 2015-11-20 | 2016-01-06 | 武汉逸飞激光设备有限公司 | A kind of five dimension control device and methods for battery modules welding |
| CN105364296A (en) * | 2015-11-18 | 2016-03-02 | 宁波金橙新能源有限公司 | Welding method and device of lithium battery electrode lug |
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2016
- 2016-10-28 CN CN201610969431.8A patent/CN106312313B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4346282A (en) * | 1977-04-26 | 1982-08-24 | General Battery Corporation | Method of extrusion-fusion welding of lead parts through an aperture in a battery case |
| CN103753019A (en) * | 2014-01-03 | 2014-04-30 | 中达电通股份有限公司 | Control method and control system both used for battery laser welding |
| CN104722918A (en) * | 2015-02-16 | 2015-06-24 | 徐象华 | Nickel-base high energy battery electrode tab welding process |
| CN105364296A (en) * | 2015-11-18 | 2016-03-02 | 宁波金橙新能源有限公司 | Welding method and device of lithium battery electrode lug |
| CN105215543A (en) * | 2015-11-20 | 2016-01-06 | 武汉逸飞激光设备有限公司 | A kind of five dimension control device and methods for battery modules welding |
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