CN105921868A - Automatic spot welding method for battery electrodes - Google Patents
Automatic spot welding method for battery electrodes Download PDFInfo
- Publication number
- CN105921868A CN105921868A CN201610504586.4A CN201610504586A CN105921868A CN 105921868 A CN105921868 A CN 105921868A CN 201610504586 A CN201610504586 A CN 201610504586A CN 105921868 A CN105921868 A CN 105921868A
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- Prior art keywords
- battery
- welding
- fixing mechanism
- battery fixing
- electrode
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot 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
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses an automatic spot welding method for battery electrodes. The automatic spot welding method of the battery electrodes comprises the steps that (a) a plurality of batteries are vertically fixed to battery fixing mechanisms, the to-be-welded electrode of the batteries are arranged upwards and exposed out from clamping holes of upper clamping blocks, and the multiple battery fixing mechanisms are sequentially placed on a conveying belt; (b) a system controls the conveying belt to drive the first battery fixing mechanism to a station below a pressing plate, and the two clamping blocks are driven by clamping air cylinders on the two sides to be ejected and clamp the two ends of the first battery fixing mechanism correspondingly; and (c) piston rods of two pressing air cylinders are ejected to drive the pressing plate to press, a plurality of sets of welding needles make contact with the to-be-welded electrodes of the batteries in a one-to-one corresponding mode, and the system conducts discharging welding on the to-be-welded electrodes of the battery below all the sets of welding needles in sequence. The automatic spot welding method for the battery electrodes has the following advantages that spot welding is conducted on the to-be-welded electrodes of the multiple batteries at the same time, welding is accurate, mistaken welding or welding damage is avoided, and the welding efficiency is greatly improved.
Description
Technical field
The present invention relates to cell art, particularly to the automatic spot welding method of a kind of battery electrode.
Background technology
Traditional manual mash welder, is mobile battery to be welded on fixing welding chassis, and capillary fixed above presses to
Electric discharge welding after battery, full-automatic spot welding machine divides two classes, and one is that set of cells is fixed on welding table top, the capillary device of top
Having moving track all around, microcomputerized control shift position lower pressure welding connect, another kind is that capillary position is fixed, with machine
Tool hand control set of cells moves on the rum point of capillary, by collision time and the displacement of mechanical hand of microcomputerized control capillary
Amount, coordinates and welds.
Manual welder inefficiency, the requirement to welding employee is high, and the concordance of product is poor, and no matter automatic welder(welding machine) is weldering
Pin moves or battery moves, and all there are 2 obvious defects, one be the deviation of displacement unavoidably, and solder side is very
Little, wrong weldering or the problem such as weldering is bad easily occur, two be still that during welding one by one remove to weld battery, welding every time
Time interval be exactly remove on capillary or the traveling time of battery and capillary point move the time, although greatly reduce artificial
Degree of participation but the efficiency that do not increases significantly.
Summary of the invention
The technical problem to be solved is, for the deficiencies in the prior art, it is provided that one is simultaneously to multiple batteries
Treat welding electrode carry out spot welding, welding precisely, the battery electrode of avoiding wrong weldering or problem, the welding efficiency such as weldering is bad to be greatly improved from
Dynamic spot welding method.
For solving above-mentioned technical problem, the technical scheme is that the automatic spot welding method of a kind of battery electrode, described
Stitch welding machine include workbench, battery fixing mechanism, spot-welding mechanism, positioning and clamping mechanism, described positioning and clamping mechanism
Including two telescoping clamping blocks being oppositely arranged, two grip blocks are driven flexible respectively by two gripper cylinders, described electricity
Pond fixed mechanism is arranged between two grip blocks；The battery of multiple setting, battery it is fixed with on described battery fixing mechanism
Treat that welding electrode sets up；Many assembly weldings pin that described spot-welding mechanism includes lower platen, is arranged on lower platen, described many groups
Capillary and multiple battery one_to_one corresponding, and often assembly welding pin is arranged on above the battery of correspondence, described lower platen is contracted by lower pressure stretch
Mechanism presses under driving, in lower platen pressed status, and capillary electrode contact to be welded with the battery of corresponding battery, described lower pressure stretch contracting
Mechanism includes two briquettings that two lower air cylinders, respectively piston rod with two lower air cylinders are connected, two described briquettings
Being connected with lower platen two ends respectively, described grip block side is towards battery fixing mechanism, the opposite side of grip block and clamping gas
The piston rod of cylinder connects, and described workbench is provided with bracing frame, and described lower air cylinder is connected to the upper end transverse arm of bracing frame
On.Described battery fixing mechanism includes that fixture block, lower fixture block, described lower fixture block are provided with multiple lower clamping hole, described
Upper fixture block is provided with multiple upper clamping hole, and described multiple upper clamping hole is arranged with multiple lower clamping holes one_to_one corresponding；Described
Being extended with the lower limit bit slice being arranged in lower clamping hole on lower fixture block, described lower limit bit slice is four, angular distribution in four；Described
Upper fixture block on be extended with the upper limit bit slice being arranged in clamping hole, described upper limit bit slice is four, angular distribution in four, four
Being provided with gap between individual upper limit bit slice, described battery fixing mechanism is arranged on a moving belt, and described conveyer belt is by controller
Control to transmit, below the spot welding station of workbench, be provided with pressure transducer,
It is characterized in that: described method comprises the following steps:
A) setting of multiple batteries being fixed on battery fixing mechanism, battery treats that welding electrode sets up and by upper fixture block
Clamping hole is exposed, and is sequentially placed on a moving belt by multiple battery fixing mechanisms；
B) system control conveyer belt drive first battery fixing mechanism to the station below lower platen, pressure transducer
Collecting battery fixing mechanism signal and send controller to, controller controls gripper cylinder action, and sandwich cylinder drives
Two grip blocks eject, and are clamped in the two ends of battery fixing mechanism respectively；
C) two lower air cylinder piston rods eject, and drive and press under lower platen, many assembly weldings pin one_to_one corresponding and battery electricity to be welded
Pole contacts；Battery under every assembly welding pin is treated that welding electrode carries out electric discharge welding by system successively；
D) battery on battery fixing mechanism all being put postwelding, lower platen rises, and conveyer belt drives battery fixing mechanism
Transmitting, first battery fixing mechanism is removed, and system repeats above-mentioned action, the battery spot welding to second battery fixing mechanism.
In described step c, system, in the way of constantly repeating discharge and recharge, is controlled successively to every assembly welding by multiplexer channel
Battery under pin treats that welding electrode carries out electric discharge welding.
In described step c, the time of electrode discharge to be welded to battery welding was less than 0.2 second every time.
The present invention uses said method, has the advantage that 1, changes into single capillary arranging with battery module to be welded
Consistent capillary group, disposably clicks all batteries to be welded and treats on welding electrode during pressure under capillary, no longer have offset deviation,
Capillary is repeatedly clicked on battery and is treated the problems such as welding electrode.2, gripper cylinder drives grip block to grip battery fixing mechanism, almost
Not having any operation easier and deviation, artificial participation is the lowest and simple does not has diversity, it is to avoid wrong weldering or weldering is bad etc. asks
Topic.3, after starting welding, system, in the way of constantly repeating discharge and recharge, is controlled successively under every assembly welding pin by multiplexer channel
Battery treats that welding electrode carries out electric discharge welding, and the deficiency of time needed for electric discharge welding 0.2 second, removes charging interval and response every time
Speed etc. affect, and each weld interval is typically set to 0.3 second i.e. complete 3 batteries in one second and treats the spot welding of welding electrode,
Compared with tradition automatic welder(welding machine) several seconds welding speed once, efficiency is greatly improved.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings；
Fig. 1 is the structural representation of stitch welding machine in the present invention；
Fig. 2 is the structure chart of another angle of stitch welding machine in the present invention；
Fig. 3 is the structural representation of battery fixing mechanism in the present invention；
In Fig. 1, Fig. 3,1, workbench；2, battery fixing mechanism；3, grip block；4, gripper cylinder；5, battery；6, press down
Plate；7, capillary；8, lower air cylinder；9, briquetting；10, bracing frame；11, upper fixture block；12, lower fixture block；13, lower limit bit slice；15, the upper limit
Bit slice；16, conveyer belt.
Detailed description of the invention
The automatic spot welding method of a kind of battery electrode, stitch welding machine includes that workbench 1, battery are solid
Determining mechanism 2, spot-welding mechanism, positioning and clamping mechanism, positioning and clamping mechanism includes two telescoping clamping blocks 3 being oppositely arranged, two
Individual grip block 3 is driven flexible by two gripper cylinders 4 respectively, and battery fixing mechanism 2 is arranged between two grip blocks 3；
Being fixed with the battery 5 of multiple setting on battery fixing mechanism 2, battery treats that welding electrode sets up；Spot-welding mechanism bag
The many assembly weldings pin 7 include lower platen 6, being arranged on lower platen 6, many assembly weldings pin 7 and multiple battery 5 one_to_one corresponding, and every assembly welding pin 7
Being arranged on above the battery 5 of correspondence, lower platen 6 is pressed telescoping mechanism to press under driving by down.In lower platen 6 pressed status, capillary 7 with
The battery electrode contact to be welded of corresponding battery 5.Every assembly welding pin 7 is two root bead pins, two root bead pins treating battery 5 simultaneously during work
Welding electrode carries out spot welding.
Lower pressure telescoping mechanism includes two pressures that two lower air cylinders 8, respectively piston rod with two lower air cylinders 8 are connected
Block 9, two briquettings 9 are connected with lower platen 6 two ends respectively, and such structure ensure that lower platen 6 is steady during pressure down.Electricity
Pond 5 number is the multiple of 8, such as 8,16,24 ....Described capillary 7 number and battery 5 number one_to_one corresponding, rectangular shape
Shape arranges.
Piston rod at two gripper cylinders 4 stretches out state, and two grip blocks 3 withstand on battery fixing mechanism two ends respectively.
Grip block 3 side is connected towards battery fixing mechanism, the opposite side of grip block 3 with the piston rod of gripper cylinder 4.On workbench 1
Being provided with bracing frame 10, lower air cylinder is connected on the upper end transverse arm of bracing frame.
Battery fixing mechanism includes that fixture block 11, lower fixture block 12, lower fixture block 12 are provided with multiple lower clamping hole, upper fixture block 11
Being provided with multiple upper clamping hole, multiple upper clamping holes are arranged with multiple lower clamping holes one_to_one corresponding；It is extended with on lower fixture block 12 and sets
Putting the lower limit bit slice 13 in lower clamping hole, lower limit bit slice 13 is four, angular distribution in four, is provided with between four lower limit bit slices 13
Gap；Four lower limit bit slices 13 are spacing to battery 5 lower end, it is ensured that the mounting stability of battery 5 lower end.
Being extended with the upper limit bit slice 15 being arranged in clamping hole on upper fixture block 11, upper limit bit slice is four, divides in corner
Cloth, is provided with gap between four upper limit bit slices 15.Upper limit bit slice 15 is spacing to battery 5 upper end, it is ensured that battery 5 upper end is installed steady
Qualitative, the gap between four upper limit bit slices 15 facilitates capillary electrode to be welded to battery spot welding, and battery fixing mechanism 2 is arranged on biography
Sending on band 16, conveyer belt 16 is controlled to transmit by controller.Gripper cylinder, lower air cylinder are by controller control, and controller is PLC
Controller.Pressure transducer it is provided with below station, when battery fixing mechanism is transported to the station below lower platen by conveyer belt, pressure
Force transducer collects battery fixing mechanism signal and sends controller to, and controller controls gripper cylinder action.
The automatic spot welding method of battery electrode comprises the following steps:
A) setting of multiple batteries 5 being fixed on battery fixing mechanism, battery treats that welding electrode sets up and by upper fixture block
The clamping hole of 11 is exposed, and is sequentially placed on a moving belt by multiple battery fixing mechanisms 2；
B) system control conveyer belt 16 drives on the station below first battery fixing mechanism 2 to lower platen 6, and both sides press from both sides
Holding cylinder 4 drives two grip blocks 3 to eject, and is clamped in the two ends of battery fixing mechanism 2 respectively；
C) two lower air cylinder piston rods eject, and drive lower platen to press for 6 times, and many assembly weldings pin 7 one_to_one corresponding is to be welded with battery
Contact electrode；System, in the way of constantly repeating discharge and recharge, is controlled successively to the battery under every assembly welding pin by multiplexer channel
Treating that welding electrode carries out electric discharge welding, the time of electrode discharge to be welded to battery welding was less than 0.2 second every time；
D) battery on battery fixing mechanism all being put postwelding, lower platen rises, and conveyer belt drives battery fixing mechanism
Transmitting, first battery fixing mechanism is removed, and system repeats above-mentioned action, the battery spot welding to second battery fixing mechanism.
Single capillary is changed into the capillary group consistent with battery module to be welded arrangement, disposably clicks on during pressure under capillary
Treat on welding electrode to all batteries to be welded, no longer have offset deviation, capillary repeatedly to click on battery and treat the problems such as welding electrode.Clamping
Cylinder drives grip block to grip battery fixing mechanism, and almost without any operation easier and deviation, artificial participation is the lowest
And simple there is no diversity, it is to avoid wrong weldering or the problem such as weldering is bad.After starting welding, system is constantly to repeat the side of discharge and recharge
Formula, controls the battery under every assembly welding pin being treated, welding electrode carries out electric discharge welding, every time electric discharge welding institute successively by multiplexer channel
The deficiency of time centisecond needed, i.e. leads to super-high-current and each battery being treated, welding electrode carries out spot welding the most in turn, single successively
Individual electrode spot welding to be welded to battery ensure that effect that single welds, and the time of single welding is the shortest, treats 20 batteries
Total time used by welding electrode spot welding is the shortest.Remove the impact such as charging interval and response speed, typically by each welding
It is set to i.e. complete 3 batteries in one second 0.3 second and treats the spot welding of welding electrode, weld once with the tradition automatic welder(welding machine) several seconds
Speed is compared, and efficiency is greatly improved.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way
Restriction, as long as have employed the various improvement that technical scheme is carried out, or the most improved directly apply to other occasion
, all within protection scope of the present invention.
Claims (2)
1. an automatic spot welding method for battery electrode, described stitch welding machine includes workbench, battery fixing mechanism, spot welding
Mechanism, positioning and clamping mechanism, described positioning and clamping mechanism includes two telescoping clamping blocks being oppositely arranged, two grip blocks
Driven flexible respectively by two gripper cylinders, described battery fixing mechanism is arranged between two grip blocks；Described battery
Being fixed with the battery of multiple setting on fixed mechanism, battery treats that welding electrode sets up；Described spot-welding mechanism include lower platen,
It is right that the many assembly weldings pin being arranged on lower platen, described many assembly weldings pin and multiple battery one_to_one corresponding, and every assembly welding pin are arranged on
Above the battery answered, described lower platen is pressed telescoping mechanism to press under driving by down, at lower platen pressed status, capillary and corresponding electricity
The battery electrode contact to be welded in pond, the described telescoping mechanism of pressure down include two lower air cylinders, respectively with two lower air cylinders
Piston rod connect two briquettings, two described briquettings are connected with lower platen two ends respectively, described grip block side towards
Battery fixing mechanism, the opposite side of grip block is connected with the piston rod of gripper cylinder, and described workbench is provided with bracing frame, institute
The lower air cylinder stated is connected on the upper end transverse arm of bracing frame.Described battery fixing mechanism includes fixture block, lower fixture block, described
Lower fixture block be provided with multiple lower clamping hole, described upper fixture block is provided with multiple upper clamping hole, described multiple upper clamping hole
Arrange with multiple lower clamping holes one_to_one corresponding；The lower limit bit slice being arranged in lower clamping hole, institute it is extended with on described lower fixture block
The lower limit bit slice stated is four, angular distribution in four；The upper limit bit slice being arranged in clamping hole it is extended with on described upper fixture block,
Described upper limit bit slice is four, angular distribution in four, is provided with gap between four upper limit bit slices, and described battery fixing mechanism sets
Putting on a moving belt, described conveyer belt is controlled to transmit by controller, is provided with pressure transducer below the spot welding station of workbench,
It is characterized in that: described method comprises the following steps:
A) setting of multiple batteries being fixed on battery fixing mechanism, battery treats that welding electrode sets up and by the clamping of upper fixture block
Hole is exposed, and is sequentially placed on a moving belt by multiple battery fixing mechanisms；
B) system control conveyer belt drive first battery fixing mechanism to the station below lower platen, pressure transducer collection
To battery fixing mechanism signal and send controller to, controller controls gripper cylinder action, and sandwich cylinder drives two
Grip block ejects, and is clamped in the two ends of battery fixing mechanism respectively；
C) two lower air cylinder piston rods eject, and drive and press under lower platen, and many assembly weldings pin one_to_one corresponding treats welding electrode phase with battery
Contact；Battery under every assembly welding pin is treated that welding electrode carries out electric discharge welding by system successively；Electrode discharge to be welded to battery weldering every time
The time connect is less than 0.2 second；
D) battery on battery fixing mechanism all being put postwelding, lower platen rises, and conveyer belt drives battery fixing mechanism transmission,
First battery fixing mechanism is removed, and system repeats above-mentioned action, the battery spot welding to second battery fixing mechanism.
The automatic spot welding method of battery electrode the most according to claim 1, it is characterised in that: in described step c, system
In the way of constantly repeating discharge and recharge, control successively the battery under every assembly welding pin to be treated, welding electrode discharges by multiplexer channel
Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504586.4A CN105921868A (en) | 2016-06-30 | 2016-06-30 | Automatic spot welding method for battery electrodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504586.4A CN105921868A (en) | 2016-06-30 | 2016-06-30 | Automatic spot welding method for battery electrodes |
Publications (1)
| Publication Number | Publication Date |
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| CN105921868A true CN105921868A (en) | 2016-09-07 |
Family
ID=56829553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610504586.4A Pending CN105921868A (en) | 2016-06-30 | 2016-06-30 | Automatic spot welding method for battery electrodes |
Country Status (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999944A (en) * | 2017-11-29 | 2018-05-08 | 苏州酉立精工科技有限公司 | The flat upset butt welding method prepared for solar bracket |
| CN108213790A (en) * | 2018-02-27 | 2018-06-29 | 安吉县大志家具制造有限公司 | A kind of spot welding device of back connector |
| CN108470936A (en) * | 2018-06-21 | 2018-08-31 | 温岭市玖鑫物联科技有限公司 | A kind of battery modules assembly welding machine |
| CN109648219A (en) * | 2018-12-20 | 2019-04-19 | 谷向荣 | A kind of automatic battery production line with anti-leak heat sinking function |
| CN110303260A (en) * | 2019-06-17 | 2019-10-08 | 新昌县三元机械有限公司 | A kind of refrigeration accessory copper aluminium welding auxiliary device and its technique |
| CN110449776A (en) * | 2019-06-28 | 2019-11-15 | 郑六军 | A kind of transmission positioning device for lithium dynamical battery welding |
| CN111482725A (en) * | 2020-05-07 | 2020-08-04 | 安徽绪稻康建筑工程咨询有限公司 | Welding equipment applied to series connection of lithium battery anodes |
| CN117161525A (en) * | 2023-11-02 | 2023-12-05 | 上海北开科技发展有限公司 | Welding device for tab and cover plate of lithium ion battery |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999944A (en) * | 2017-11-29 | 2018-05-08 | 苏州酉立精工科技有限公司 | The flat upset butt welding method prepared for solar bracket |
| CN107999944B (en) * | 2017-11-29 | 2020-06-19 | 江苏酉立智能装备有限公司 | Flat plate type resistance butt welding method for preparing solar bracket |
| CN108213790A (en) * | 2018-02-27 | 2018-06-29 | 安吉县大志家具制造有限公司 | A kind of spot welding device of back connector |
| CN108470936A (en) * | 2018-06-21 | 2018-08-31 | 温岭市玖鑫物联科技有限公司 | A kind of battery modules assembly welding machine |
| CN109648219A (en) * | 2018-12-20 | 2019-04-19 | 谷向荣 | A kind of automatic battery production line with anti-leak heat sinking function |
| CN110303260A (en) * | 2019-06-17 | 2019-10-08 | 新昌县三元机械有限公司 | A kind of refrigeration accessory copper aluminium welding auxiliary device and its technique |
| CN110303260B (en) * | 2019-06-17 | 2021-07-13 | 新昌县三元机械有限公司 | Auxiliary device for copper-aluminum welding of refrigeration fittings and process thereof |
| CN110449776A (en) * | 2019-06-28 | 2019-11-15 | 郑六军 | A kind of transmission positioning device for lithium dynamical battery welding |
| CN111482725A (en) * | 2020-05-07 | 2020-08-04 | 安徽绪稻康建筑工程咨询有限公司 | Welding equipment applied to series connection of lithium battery anodes |
| CN117161525A (en) * | 2023-11-02 | 2023-12-05 | 上海北开科技发展有限公司 | Welding device for tab and cover plate of lithium ion battery |
| CN117161525B (en) * | 2023-11-02 | 2024-01-26 | 上海北开科技发展有限公司 | Welding device for tab and cover plate of lithium ion battery |
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Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |