CN102328175A - Laser welding fixture for square battery module - Google Patents
Laser welding fixture for square battery module Download PDFInfo
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- CN102328175A CN102328175A CN201110214043A CN201110214043A CN102328175A CN 102328175 A CN102328175 A CN 102328175A CN 201110214043 A CN201110214043 A CN 201110214043A CN 201110214043 A CN201110214043 A CN 201110214043A CN 102328175 A CN102328175 A CN 102328175A
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- laser welding
- battery module
- type gantry
- laser
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Abstract
The invention relates to a laser welding fixture for a square battery module. The laser welding fixture comprises a worktable, a pressing mechanism and a supporting mechanism, wherein, the pressing mechanism is fixed on an 'H'-shaped gantry support structure and comprises a pressing frame and a cylinder drive unit; the 'H'-shaped gantry support structure is fixed at two sides of the worktable and comprises an 'H'-shaped gantry support frame and a laser head drive unit; and the worktable comprises an X-Y axis drive unit and a supporting platform. By adopting the structure, the laser welding fixture has the beneficial effects that a connection piece can be tightly contacted with a battery cover plate during the welding process, thus achieving high welding success rate; and in addition, by means of movable arrangement of the worktable, the whole battery module can be completely welded only by one-time setup, thus being simple, convenient and fast in operation.
Description
Technical field
The present invention relates to a kind of anchor clamps, relate in particular to a kind of square battery module fixture for laser welding.
Background technology
Assemble in the lithium ion battery process in groups in present non-riveted joint mode, need to use crosspointer spot welding that copper nickel composite board welding is received on the stainless steel platen of battery cover board.Though existing crosspointer spot-welding equipment input cost is low, simple to operate, welding quality is general, fusion penetration is little, speed is slow, and caloric value is big.In addition, along with the raising of electrokinetic cell high rate performance, the discharge current of requirement is big, and traditional copper nickel composite plate can't satisfy the needs that the big electric current of load passes through, and must use copper plate instead, and the crosspointer spot-welding equipment is poor to the welding effect of copper plate.The quality of laser weld is good, and speed is fast, and fusion penetration is big, and automaticity is high, still, can only adopt manual operations when adopting laser weld battery modules and copper connecting plate at present, low, batch poor stability of efficient.Be badly in need of the fixture for laser welding of developing special to battery modules.
Summary of the invention
The object of the present invention is to provide a kind of anchor clamps that are used for lithium ion battery module and brace welding.It comprises workbench, hold-down mechanism and " H " type gantry supporting construction.Described hold-down mechanism is positioned on the supporting construction of " H " type gantry, and it comprises and is used for brace is pressed on clamping frame and cylinder driver on the pressing plate of battery cover board.Described " H " type gantry supporting construction is fixed on the workbench both sides, and it comprises " H " type gantry bracing frame and and slide rail.Described workbench comprises X, Y axial brake device and battery modules fixed platform.
Technical solution problem of the present invention provides following scheme:
A kind of square battery module fixture for laser welding; Comprise workbench, hold-down mechanism and " H " type gantry supporting construction; Said hold-down mechanism is positioned on the supporting construction of " H " type gantry; It comprises a clamping frame and cylinder driver and cylinder driver fixed platform, and said hold-down mechanism is positioned on the supporting construction of " H " type gantry, and it has the clamping frame that has slit that closely contacts with brace.
Said hold-down mechanism also comprises cylinder driver, and described cylinder driver can drive clamping frame and be pressed on the battery modules top.
Said " H " type gantry supporting construction is provided with slide rail and limited block.
Said " H " type gantry bracing frame 3 is fixed on the both sides of workbench, and it comprises " H " type gantry bracing frame and laser head drive unit.
Said " H " type gantry supporting construction comprises two sections gantry bracing frames that weld together through support member
Compared with prior art, anchor clamps of the present invention have adopted hold-down mechanism, can guarantee well during welding that brace closely contacts with battery cover board, are welded into the power height.In addition, through the activity setting of workbench, battery modules only needs once to set, and can accomplish the welding of entire module, and is simple and efficient to handle.
Description of drawings
Fig. 1 is the sketch map of the present invention's one preferred embodiment.
Fig. 2 is the enlarged drawing of clamping frame among Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the sketch map of Fig. 1 when loading battery.
Fig. 5 is the sketch map of the embodiment of the invention two.
Fig. 6 a is the enlarged drawing of clamping frame among Fig. 5.
Fig. 6 b is the enlarged drawing of Fig. 6 a.
Fig. 7 is the vertical view of Fig. 5 when loading battery.
The specific embodiment
Embodiment one
Seeing also Fig. 1, is a preferred embodiment of the present invention, is applicable to optical fiber output type laser instrument.The anchor clamps of this battery pack and brace welding mainly comprise workbench 1, hold-down mechanism 2 and " H " type gantry supporting construction 3.
Said hold-down mechanism is fixed on " H " type gantry supporting construction 3, and it comprises a clamping frame 4 and cylinder driver 5.Clamping frame 4 is for there being the steel design (seeing also Fig. 2) of slit 6.The two ends of clamping frame 4 are connected with the piston rod 17 of cylinder driver 5 respectively.There is the block rubber 7 (seeing also Fig. 2) that contains slit 6 clamping frame 4 bottom surfaces.
Said " H " type gantry bracing frame 3 is fixed on the both sides of workbench 1, and it comprises " H " type gantry bracing frame 8 and laser head drive unit 9, and drive unit 9 is made up of drive motors 10 and screw rod 11.Drive motors 10 makes screw rod 11 rotations, is used for driving laser head 13 and moves (seeing also Fig. 3,4).
Said workbench comprises X, Y axial brake device 18 and support platform 14.Making screw rod 20 rotations be used to drive support platform 14 by drive motors 19 moves.
See also Fig. 4, when carrying out the laser weld of lithium ion battery module 15 and brace 16, at first, start X, Y axial brake device 18 drive support platforms 14, make battery modules 15 and brace 16 move to the relevant position; Next, start cylinder 5, promote piston rod 17 drive clamping frames 4 brace 16 is pressed on battery 15 tops; Start laser, make laser pass slit 6 and penetrate, meanwhile, start laser head drive unit 9 driving laser heads 13 and move at brace 16, make laser along the direction of slit 6 move to subscribe the position after, stop laser.Stop cylinder 5 work; Make piston rod 17 drive clamping frame 4 and break away from brace 16, restart X, Y axial brake device 18 drive support platforms 14, make battery modules 15 and brace 16 move to the relevant position; Beginning is welding next time; This time during laser weld, laser head drive unit 9 driving laser heads 13 along with last time rightabout move, drive laser head 13 and get back to initial position.
Embodiment two
See also Fig. 5-7, present embodiment is applicable to fixed light path output type laser instrument.The anchor clamps of this battery pack and brace welding mainly comprise workbench 1, hold-down mechanism 2 and " H " type gantry supporting construction 3.
Said hold-down mechanism is fixed on " H " type gantry supporting construction 3, and it comprises a clamping frame 30 (seeing also Fig. 6) and cylinder driver 5.Clamping frame 30 is for there being the steel design of slit 6.The two ends of clamping frame 30 are connected with the piston rod 17 of cylinder driver 5 respectively.There is the block rubber 7 that contains slit 6 clamping frame 30 bottom surfaces.
Said " H " type gantry bracing frame is fixed on the both sides of workbench 1, and it comprises " H " type gantry bracing frame 21 and hold-down mechanism slide rail 22.Be fixed with limited block 23 on " H " type gantry bracing frame 21, be used to limit the sliding scale of hold-down mechanism slide rail 22.Hold-down mechanism slide rail 22 comprises " L " cylinder support 24 and slide rail 25.
Said workbench comprises X, Y axial brake device 18 and support platform 14.Making screw rod 20 rotations be used to drive support platform 14 by drive motors 19 moves.
When carrying out the laser weld of lithium ion battery module 15 and brace 16, at first, start X, Y axial brake device 18 drive support platforms 14, make battery modules 15 and brace 16 move to the relevant position; Next, start cylinder 5, promote piston rod 17 drive clamping frames 30 brace 16 is pressed on battery 15 tops; Start laser, make laser pass slit 6 and penetrate at brace 16, meanwhile; Start workbench X axial brake device 18 and drive support platform 14, battery modules 15, brace 16 motions, receive function of friction simultaneously, battery modules 15, brace 16 are driving hold-down mechanism 2, " L " cylinder support 24 moves along slide rail 25; After making laser arrive the reservation position, stop laser, hold-down mechanism 2, the 24 also stop motions of " L " cylinder support along slit 6.Stop cylinder 5 work; Make piston rod 17 drive clamping frame 4 and break away from brace 16, restart X, Y axial brake device 18 drive support platforms 14, make battery modules 15 and brace 16 move to the relevant position; Beginning is welding next time; This time during laser weld, workbench X axial brake device 18 drive support platforms 14, battery modules 15, brace 16 and hold-down mechanism 2, " L " cylinder support 24 along slide rail 25 and with opposite-oriented movement last time, drive hold-down mechanism 2 and get back to initial position.
Because anchor clamps of the present invention have adopted compressing structure, have guaranteed that brace and the tight of battery modules contact, thereby have guaranteed the effect of laser weld.In conjunction with the automation control program of laser instrument, the welding of each battery modules only need be controlled initial position, once sets, and can accomplish the welding of whole pack module, the time-saving and efficiency.
Claims (5)
1. square battery module fixture for laser welding; Comprise workbench, hold-down mechanism and " H " type gantry supporting construction; Said hold-down mechanism is positioned on the supporting construction of " H " type gantry; It comprises a clamping frame and cylinder driver and cylinder driver fixed platform, it is characterized in that: said hold-down mechanism is positioned on the supporting construction of " H " type gantry, and it has the clamping frame that has slit that closely contacts with brace.
2. square battery module fixture for laser welding according to claim 1, it is characterized in that: said hold-down mechanism also comprises cylinder driver, described cylinder driver can drive clamping frame and be pressed on the battery modules top.
3. square battery module fixture for laser welding according to claim 1 is characterized in that: said " H " type gantry supporting construction is provided with slide rail and limited block.
4. square battery module fixture for laser welding according to claim 1 is characterized in that: said " H " type gantry bracing frame 3 is fixed on the both sides of workbench, and it comprises " H " type gantry bracing frame and laser head drive unit.
5. square battery module fixture for laser welding according to claim 1 is characterized in that: said " H " type gantry supporting construction comprises two sections gantry bracing frames that weld together through support member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110214043.6A CN102328175B (en) | 2011-07-28 | 2011-07-28 | Laser welding fixture for square battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110214043.6A CN102328175B (en) | 2011-07-28 | 2011-07-28 | Laser welding fixture for square battery module |
Publications (2)
| Publication Number | Publication Date |
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| CN102328175A true CN102328175A (en) | 2012-01-25 |
| CN102328175B CN102328175B (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110214043.6A Active CN102328175B (en) | 2011-07-28 | 2011-07-28 | Laser welding fixture for square battery module |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722293B (en) * | 2012-10-12 | 2015-08-05 | 东莞成电精工自动化技术有限公司 | A kind of jig of laser accurate welding |
| CN106181033A (en) * | 2016-08-24 | 2016-12-07 | 江苏中科大港激光科技有限公司 | V-type silk laser welding plain net compaction welding set |
| CN106392404A (en) * | 2016-11-24 | 2017-02-15 | 东软集团股份有限公司 | Battery module welding clamp and battery module welding device |
| CN106984909A (en) * | 2017-04-14 | 2017-07-28 | 重庆创元新能源科技有限责任公司 | A kind of press device of nanosecond laser welding |
| CN107123765A (en) * | 2017-07-07 | 2017-09-01 | 深圳市拓科智能科技有限公司 | A kind of semi-automatic battery modules nut locking device |
| CN107127517A (en) * | 2017-07-14 | 2017-09-05 | 深圳阿李智能装备有限公司 | A kind of hold-down mechanism |
| CN108057956A (en) * | 2017-12-31 | 2018-05-22 | 董艺 | The welder of battery modules |
| 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 |
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| CN101890576A (en) * | 2010-08-19 | 2010-11-24 | 上海市激光技术研究所 | Stainless steel or nickel sheet laser tailor-welding alignment clamping device and method |
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2011
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| US4000392A (en) * | 1974-07-01 | 1976-12-28 | United Technologies Corporation | Fusion zone purification by controlled laser welding |
| US5674420A (en) * | 1995-06-12 | 1997-10-07 | Worthington Industries Incorporated | Clamping device for welding machine |
| JP2004001081A (en) * | 2002-03-27 | 2004-01-08 | Sumikin Plant Ltd | Butt welding method and equipment for metal sheets |
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| CN2915349Y (en) * | 2006-04-29 | 2007-06-27 | 中国国际海运集装箱(集团)股份有限公司 | Centering mechanism for straight welding line automatic welding and its automatic welding device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722293B (en) * | 2012-10-12 | 2015-08-05 | 东莞成电精工自动化技术有限公司 | A kind of jig of laser accurate welding |
| CN106181033A (en) * | 2016-08-24 | 2016-12-07 | 江苏中科大港激光科技有限公司 | V-type silk laser welding plain net compaction welding set |
| CN106392404A (en) * | 2016-11-24 | 2017-02-15 | 东软集团股份有限公司 | Battery module welding clamp and battery module welding device |
| CN106392404B (en) * | 2016-11-24 | 2018-06-22 | 东软集团股份有限公司 | Battery modules welding fixture and battery modules welder |
| CN106984909A (en) * | 2017-04-14 | 2017-07-28 | 重庆创元新能源科技有限责任公司 | A kind of press device of nanosecond laser welding |
| CN106984909B (en) * | 2017-04-14 | 2018-09-18 | 重庆创元新能源科技有限责任公司 | A kind of press device of nanosecond laser welding |
| CN107123765A (en) * | 2017-07-07 | 2017-09-01 | 深圳市拓科智能科技有限公司 | A kind of semi-automatic battery modules nut locking device |
| CN107127517A (en) * | 2017-07-14 | 2017-09-05 | 深圳阿李智能装备有限公司 | A kind of hold-down mechanism |
| CN108057956A (en) * | 2017-12-31 | 2018-05-22 | 董艺 | The welder of battery modules |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102328175B (en) | 2015-02-11 |
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Address after: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Applicant after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Applicant before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI GUOXUAN HIGH-TECH POWER ENERGY CO., LTD. TO: HEFEI GUOXUAN HIGH-TECH POWER ENERGY CO., LTD. |
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Address after: 230000 Yaohai Industrial Zone, Hefei New District, Anhui, No. D weft Road, No. 7 Patentee after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Patentee before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |