CN113560726A - Lithium battery module laser welding equipment - Google Patents
Lithium battery module laser welding equipment Download PDFInfo
- Publication number
- CN113560726A CN113560726A CN202110951517.9A CN202110951517A CN113560726A CN 113560726 A CN113560726 A CN 113560726A CN 202110951517 A CN202110951517 A CN 202110951517A CN 113560726 A CN113560726 A CN 113560726A
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- lithium battery
- daughter board
- battery module
- laser welding
- fixed
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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
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
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Abstract
The application relates to the technical field of lithium battery module laser welding equipment, in particular to lithium battery module laser welding equipment which comprises a carrying platform, wherein a positioning mechanism is arranged on the carrying platform, the positioning mechanism comprises a positioning plate, the positioning plate comprises a fixed daughter board and a movable daughter board, the fixed daughter board is clamped with the movable daughter board, the fixed daughter board is fixedly connected with the carrying platform, the movable daughter board is connected with the carrying platform in a sliding manner, and the movable daughter board is connected with a driving assembly; the positioning plate is provided with an adsorption component and an air guide component which are used for preventing the lithium battery module from sliding. This application carries out the monolithic stationary to the lithium battery module earlier through the locating plate, and further fix a position the lithium battery module by the absorption subassembly after the monolithic stationary, prevent that the lithium battery module from taking place to slide to improve the location effect to the lithium battery module.
Description
Technical Field
The application relates to the technical field of lithium battery module laser welding equipment, in particular to lithium battery module laser welding equipment.
Background
The lithium ion battery has the advantages of high energy, long cycle life, small self-discharge, no memory effect, no pollution and the like, and is widely applied to various electronic devices (such as mobile phones, notebook computers, PDAs, digital cameras, digital video cameras and the like). The lithium battery module is a combination of lithium ion batteries which are combined in a series-parallel connection mode and are externally provided with a protective circuit shell.
Welding is an important manufacturing process from the manufacturing of lithium battery cores to the grouping of batteries PACK. The structure of lithium batteries typically comprises a variety of materials, such as steel, aluminum, copper, nickel, etc., which may be formed into electrodes, leads, or housings. The battery cores are connected in series and in parallel in a welding mode to form a group, and the method is a key step for producing the battery module. At present, resistance welding, laser welding and ultrasonic welding are mainly adopted, and compared with welding modes such as arc welding and the like which are commonly used in industry, the laser welding process has the advantages that the materials which can be welded are wide in variety, and welding among different materials can be realized. The laser welding has high energy density, small focused light spot, small welding deformation and small heat affected zone, can effectively improve the precision of the product, and does not easily suffer from the problem of meltback like arc welding when used for thin plates or small-diameter wires.
Before laser welding, the lithium battery module needs to be adjusted and aligned and then fixed. At present, a baffle plate structure is generally arranged on an operation table, and the lithium battery module is fixed through the baffle plate structure.
In view of the above-mentioned related art, the inventor found that the case of the lithium battery module has a high smoothness, may slide after contacting with the baffle structure, has a general positioning effect, and may cause defective products due to errors.
Disclosure of Invention
In order to improve the location effect to lithium battery module, this application provides a lithium battery module laser welding equipment.
The application provides a pair of lithium battery module laser welding equipment adopts following technical scheme:
the laser welding equipment for the lithium battery module comprises a loading platform, wherein a positioning mechanism is arranged on the loading platform and comprises a positioning plate, the positioning plate comprises a fixed daughter board and a movable daughter board, the fixed daughter board is clamped with the movable daughter board, the fixed daughter board is fixedly connected with the loading platform, the movable daughter board is connected with the loading platform in a sliding manner, and the movable daughter board is connected with a driving assembly; the positioning plate is provided with an adsorption component and an air guide component which are used for preventing the lithium battery module from sliding.
Through adopting above-mentioned technical scheme, the microscope carrier is used for settling the locating plate, plays main fixed stay effect. The fixed sub-board is fixedly connected to the carrying platform and is used for being matched with the movable sub-board to position the lithium battery module, the driving assembly is used for driving the movable sub-board to move, the movable sub-board can slide along the carrying platform under the action of the driving assembly, and therefore the lithium battery module fixed to the inner side of the positioning plate can be conveniently moved away. The adsorption component is used for sucking the side wall of the lithium battery module, and further positioning the lithium battery module to prevent the lithium battery module from moving. The gas guide assembly is used for introducing protective gas to a welding position, protecting a workpiece from being oxidized in the welding process, cooling the workpiece and reducing a heat affected zone. This application carries out the monolithic stationary to the lithium battery module earlier through the locating plate, and further fix a position the lithium battery module by the absorption subassembly after the monolithic stationary, prevent that the lithium battery module from taking place to slide to improve the location effect to the lithium battery module.
Preferably, the fixed daughter board is connected with a fixed block, and the fixed block is fixedly connected with the carrier.
Through adopting above-mentioned technical scheme, fixed block one end laminating microscope carrier and microscope carrier fixed connection, fixed block other end laminating fixed daughter board and fixed daughter board fixed connection to make the fixed block strengthen the fixed effect between fixed daughter board and microscope carrier.
Preferably, the driving assembly comprises a hydraulic rod, the hydraulic rod is fixed on the carrier, and a piston rod of the hydraulic rod is fixedly connected with the movable daughter board.
By adopting the technical scheme, the hydraulic rod is used as a power source and used for providing power, and the piston rod of the hydraulic rod pushes the movable sub-plate to move towards the center of the loading platform, so that the lithium battery module is integrally positioned; the piston rod pulling of hydraulic stem moves the daughter board and keeps away from microscope carrier central authorities and removes to be convenient for take away lithium cell module.
Preferably, a sliding channel is formed in the carrying platform, the movable daughter board is connected with a sliding block, and the sliding block is embedded in the sliding channel.
By adopting the technical scheme, the movable sub-board moves along the sliding channel through the sliding block, the moving track of the movable sub-board is further limited, and the deviation of the movable sub-board in the moving process is reduced.
Preferably, the carrying platform is fixedly connected with a plurality of carrying blocks for supporting the lithium battery module, and the carrying blocks are distributed at intervals.
Through adopting above-mentioned technical scheme, the carrier block is used for having filled up lithium battery module, avoids lithium battery module direct and microscope carrier contact, forms the air chamber between lithium battery module and the microscope carrier, is convenient for dispel the heat at the laser welding in-process.
Preferably, the bearing block is provided with a non-slip mat.
Through adopting above-mentioned technical scheme, the slipmat helps increasing the frictional resistance between carrier block and the lithium battery module to further prevent that the lithium battery module from taking place to slide.
Preferably, the adsorption component comprises a sucker, the sucker is embedded in the surface of the positioning plate, the sucker is communicated with an air pipe, and the air pipe is communicated with an air suction pump.
Through adopting above-mentioned technical scheme, start the aspiration pump, the air in the sucking disc is taken away along the trachea, and the atmospheric pressure is low in the sucking disc to the sucking disc is inhaled lithium battery module, carries out careful location to lithium battery module. After the connection with the air pump is disconnected, air enters the sucker along the air pipe, the air pressure inside and outside the sucker is balanced, and the sucker is loosened, so that the lithium battery module is convenient to move.
Preferably, the movable sub-plate is provided with an air guide port, the air guide assembly comprises an exhaust fan, the exhaust fan is embedded in the air guide port, and the air guide port is connected with an air guide pipe.
Through adopting above-mentioned technical scheme, the air duct intercommunication protective gas source, protective gas can adopt argon gas, helium or nitrogen gas, and under the effect of air discharge fan, protective gas is carried to laser welding department by the air guide mouth to the protection work piece avoids the oxidation in welding process, and can also cool off the work piece, reduces the heat affected zone.
Preferably, stepped interfaces are arranged at two ends of the fixed sub-board and the movable sub-board.
Through adopting above-mentioned technical scheme, echelonment interface is convenient for fixed daughter board and removal daughter board carry out accurate joint to fix a position lithium cell module.
In summary, the present application includes at least one of the following beneficial technical effects:
1. this application carries out the monolithic stationary to the lithium battery module earlier through the locating plate, and further fix a position the lithium battery module by the absorption subassembly after the monolithic stationary, prevent that the lithium battery module from taking place to slide to improve the location effect to the lithium battery module.
2. Be provided with the air guide subassembly in this application, after starting the air discharge fan, protective gas is carried to laser welding department by the air guide mouth to the protection work piece avoids the oxidation in welding process, and the protection focusing lens avoids the sputtering of metal vapor pollution and liquid molten drop, and the work piece is cooled off simultaneously, reduces the heat affected zone.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is an exploded schematic view of an embodiment of the present application.
Description of reference numerals: 1. a stage; 11. a bearing block; 12. a sliding channel; 2. positioning a plate; 21. a fixed daughter board; 211. a fixed block; 22. moving the daughter board; 221. a slider; 3. a drive assembly; 31. a hydraulic lever; 4. an adsorption component; 41. a suction cup; 42. an air tube; 43. an air pump; 44. a bronchus; 5. an air guide assembly; 51. an air guide port; 52. an exhaust fan; 53. an air duct.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses lithium battery module laser welding equipment. Referring to fig. 1 and 2, the lithium battery module laser welding apparatus includes a stage 1, the stage 1 is rectangular plate-shaped, and a positioning mechanism for positioning the lithium battery module is provided on the stage 1.
Referring to fig. 1 and 2, the positioning mechanism includes a positioning plate 2, and the positioning plate 2 includes a fixed daughter board 21 and a movable daughter board 22, in the embodiment of the present application, the fixed daughter board 21 is provided with one, the movable daughter board 22 is provided with three, the fixed daughter board 21 and the movable daughter board 22 are both vertically arranged, and the fixed daughter board 21 and the movable daughter board 22 enclose a square barrel shape at the central position of the carrier 1.
Referring to fig. 1 and 2, the fixed daughter board 21 is fixedly connected with the carrier 1 through the fixed block 211, the fixed block 211 is in a triangular prism shape, the upper bottom surface and the lower bottom surface of the fixed block 211 are isosceles right triangle, the side surface of the fixed block 211 where one right-angle side is attached to the fixed daughter board 21 is fixedly connected through a bolt, and the side surface of the fixed block 211 where the other right-angle side is attached to the carrier 1 is fixedly connected through a bolt. In the embodiment of the present application, two fixing blocks 211 are provided, and the two fixing blocks 211 are respectively provided on the left and right sides of the fixed daughter board 21, so that the fixing effect of the fixed daughter board 21 and the stage 1 is enhanced.
Referring to fig. 1 and 2, in order to facilitate driving the movable daughter board 22 to move, the driving assembly 3 is provided in the present application, the driving assembly 3 includes a hydraulic rod 31, a base of the hydraulic rod 31 is fixedly connected to the carrier 1, and a piston rod of the hydraulic rod 31 is fixedly connected to the movable daughter board 22.
Referring to fig. 1 and 2, in order to control the moving track of the moving sub-board 22 and reduce the deviation of the moving sub-board 22 generated in the sliding process, a sliding block 221 is welded at the lower end of the moving sub-board 22, and the sliding block 221 is in an inverted T shape. The carrier 1 is provided with a sliding channel 12, the sliding channel 12 is arranged in parallel with the hydraulic rod 31, the slider 221 is embedded in the sliding channel 12, the piston rod of the hydraulic rod 31 pushes the movable daughter board 22 under the driving of the hydraulic rod 31, and the movable daughter board 22 moves towards the center of the carrier 1 along the sliding channel 12 along with the slider 221.
Referring to fig. 1 and 2, the two ends of the fixed sub-board 21 are stepped interfaces, and the two ends of the movable sub-board 22 are also stepped interfaces, so that the fixed sub-board 21 and the movable sub-board 22 can be accurately clamped. Under the action of the hydraulic rod 31, the movable sub-plate 22 and the fixed sub-plate 21 are converged and clamped, so that the lithium battery is integrally positioned. The piston rod of hydraulic stem 31 pulls and moves daughter board 22, moves daughter board 22 and accompanies slider 221 and moves along slide channel 12 and deviate from microscope carrier 1 central authorities, moves daughter board 22 and fixed daughter board 21 and scatters to be convenient for take away lithium battery module.
Referring to fig. 1 and 2, in order to accelerate heat dissipation and reduce a heat affected zone in a laser welding process, a bearing block 11 is arranged in the laser welding process, the bearing block 11 is rectangular, and the bearing block 11 is fixedly connected to the center of a carrier 1 and is located in a square barrel formed by converging and clamping a fixed daughter board 21 and a movable daughter board 22. The arrangement direction of the bearing blocks 11 is parallel to the direction of the fixed daughter board 21, in the embodiment of the present application, five bearing blocks 11 are arranged, and the five bearing blocks 11 are arranged at equal intervals. The non-slip mat is pasted to the upper end of carrier block 11, and the non-slip mat helps increasing the frictional resistance between carrier block 11 and the lithium battery module to further prevent that the lithium battery module from taking place to slide.
Referring to fig. 1 and 2, in order to further fix the lithium battery module, an adsorption assembly 4 is provided in the application, the adsorption assembly 4 includes a suction cup 41, an air pipe 42 and an air pump 43, a placing hole is provided on one side of the fixed sub-plate 21 close to the bearing block 11, a placing hole is also provided on one side of the movable sub-plate 22 opposite to the fixed sub-plate 21 close to the bearing block 11, and the suction cup 41 is inserted into the placing hole. Six suckers 41 are uniformly arranged on the fixed sub-plate 21 at intervals, the suckers 41 are communicated with a bronchus 44, the bronchus 44 is communicated with an air pipe 42, and the air pipe 42 is communicated with an air suction pump 43 through a quick connector. The moving sub-plate 22 opposite to the fixed sub-plate 21 is symmetrically provided with the adsorption assemblies 4. After the air pump 43 is started, the air in the suction cup 41 is pumped away, and the air pressure in the suction cup 41 is reduced, so that the suction cup 41 sucks the lithium battery module, and the lithium battery module is carefully positioned. And (3) disconnecting the quick connector, enabling air to enter the suction cup 41 along the air pipe 42 through the branch air pipe 44, enabling the air pressure inside and outside the suction cup 41 to be balanced, and loosening the suction cup 41, so that the lithium battery module can be conveniently removed.
Referring to fig. 1 and 2, in order to optimize the problem that the workpiece is easily oxidized during the laser welding process, the gas guide assembly 5 is provided in the present application, and the gas guide assembly 5 includes an exhaust fan 52 and a gas guide tube 53. The air guide ports 51 are formed in the two movable sub-plates 22 adjacent to the fixed sub-plate 21, and the four air guide ports 51 are arranged in the two movable sub-plates 22 adjacent to the fixed sub-plate 21. The two air guide ports 51 are located at the upper end of the movable sub-board 22, the two air guide ports 51 are located at the lower end of the movable sub-board 22, and the air guide ports 51 located at the lower end of the movable sub-board 22 communicate with the gap between the bearing block 11.
Referring to fig. 1 and 2, an exhaust fan 52 is fixedly connected in the air guide opening 51, the air guide opening 51 at the upper end is communicated with an air guide pipe 53, the air guide pipe 53 is used for communicating with a shielding gas source, and the shielding gas can be argon, helium or nitrogen. After the exhaust fan 52 is started, the protective gas is delivered to the laser welding position through the gas guide port 51, so that the workpiece is protected from being oxidized in the welding process, the laser welding head is protected from being polluted by metal vapor and splashed by liquid molten drops, meanwhile, the workpiece is cooled, and the heat affected zone is reduced. To the air guide port 51 of lower extreme, after starting air discharge fan 52, air discharge fan 52 on a removal daughter board 22 is by the space blast between the external world to carrier block 11, and air discharge fan 52 on another removal daughter board 22 is by the space between carrier block 11 to external convulsions, accomplishes gas exchange to be convenient for carry out the forced air cooling heat dissipation cooling to the lithium cell module.
The implementation principle of lithium battery module laser welding equipment of the embodiment of the application is as follows: the hydraulic rod 31 is started, the piston rod of the hydraulic rod 31 pulls the movable sub-board 22 in the direction away from the center of the carrying platform 1, and then the lithium battery module is placed on the bearing block 11 and the position of the lithium battery module is adjusted. The hydraulic rod 31 is started again, the piston rod of the hydraulic rod 31 pushes the movable sub-plate 22 along the direction towards the center of the carrier 1, and the movable sub-plate 22 is gathered to the center of the carrier 1 and is clamped with the fixed sub-plate 21, so that the lithium battery module is integrally positioned.
Sucking disc 41 and the laminating of lithium cell module start aspiration pump 43, and air in sucking disc 41 is taken away along trachea 42 to aspiration pump 43, and the atmospheric pressure reduces in the sucking disc 41 to sucking disc 41 holds lithium cell module, carries out careful location to lithium cell module. After the quick connector is disconnected, air enters the suction cup 41 along the air pipe 42 through the branch air pipe 44, the air pressure inside and outside the suction cup 41 is balanced, and the suction cup 41 is loosened, so that the lithium battery module is convenient to remove.
The above examples are only used to illustrate the technical solutions of the present application, and do not limit the scope of the present application. It is to be understood that the embodiments described are only some of the embodiments of the present application and not all of them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present application without conflict, and thus, different technical solutions that do not substantially depart from the spirit of the present application may be obtained.
Claims (9)
1. The utility model provides a lithium cell module laser welding equipment which characterized in that: the positioning mechanism comprises a carrying platform (1), the carrying platform (1) is provided with a positioning mechanism, the positioning mechanism comprises a positioning plate (2), the positioning plate (2) comprises a fixed daughter board (21) and a movable daughter board (22), the fixed daughter board (21) is clamped with the movable daughter board (22), the fixed daughter board (21) is fixedly connected with the carrying platform (1), the movable daughter board (22) is connected with the carrying platform (1) in a sliding manner, and the movable daughter board (22) is connected with a driving component (3); the positioning plate (2) is provided with an adsorption component (4) and an air guide component (5) which are used for preventing the lithium battery module from sliding.
2. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: the fixed daughter board (21) is connected with a fixed block (211), and the fixed block (211) is fixedly connected with the carrier (1).
3. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: the driving assembly (3) comprises a hydraulic rod (31), the hydraulic rod (31) is fixed on the carrier (1), and a piston rod of the hydraulic rod (31) is fixedly connected with the movable sub-plate (22).
4. The lithium battery module laser welding equipment of claim 3, characterized in that: a sliding channel (12) is formed in the carrying platform (1), the movable sub-board (22) is connected with a sliding block (221), and the sliding block (221) is embedded in the sliding channel (12).
5. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: the carrying platform (1) is fixedly connected with a plurality of carrying blocks (11) used for supporting the lithium battery module, and the carrying blocks (11) are distributed at intervals.
6. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: and the bearing block (11) is provided with an anti-skid pad.
7. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: adsorption component (4) include sucking disc (41), sucking disc (41) inlay and locate locating plate (2) surface, sucking disc (41) intercommunication has trachea (42), trachea (42) intercommunication has aspiration pump (43).
8. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: air guide port (51) has been seted up on removal daughter board (22), air guide subassembly (5) are including air discharge fan (52), air discharge fan (52) are inlayed and are located in air guide port (51), air guide port (51) are connected with air duct (53).
9. The laser welding equipment for lithium battery modules as claimed in claim 1, wherein: stepped interfaces are arranged at two ends of the fixed sub-board (21) and the movable sub-board (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110951517.9A CN113560726A (en) | 2021-08-19 | 2021-08-19 | Lithium battery module laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110951517.9A CN113560726A (en) | 2021-08-19 | 2021-08-19 | Lithium battery module laser welding equipment |
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| Publication Number | Publication Date |
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| CN113560726A true CN113560726A (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110951517.9A Pending CN113560726A (en) | 2021-08-19 | 2021-08-19 | Lithium battery module laser welding equipment |
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| CN (1) | CN113560726A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010137271A (en) * | 2008-12-15 | 2010-06-24 | Pulstec Industrial Co Ltd | Laser processing device and balance adjusting method of fixture in laser processing device |
| CN107262999A (en) * | 2017-06-29 | 2017-10-20 | 湖州奥盛电梯配件有限公司 | A kind of lift car plate weld positioning tool |
| CN208706788U (en) * | 2018-05-07 | 2019-04-05 | 江苏百福能源科技有限公司 | Lithium battery pole slice fast-positioning device |
| CN209407998U (en) * | 2018-10-26 | 2019-09-20 | 大族激光科技产业集团股份有限公司 | A kind of absorption localization tool |
| CN213543470U (en) * | 2020-11-10 | 2021-06-25 | 南京哈维斯特精密机械有限公司 | Wind-powered electricity generation module raw and other materials size detection equipment |
-
2021
- 2021-08-19 CN CN202110951517.9A patent/CN113560726A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010137271A (en) * | 2008-12-15 | 2010-06-24 | Pulstec Industrial Co Ltd | Laser processing device and balance adjusting method of fixture in laser processing device |
| CN107262999A (en) * | 2017-06-29 | 2017-10-20 | 湖州奥盛电梯配件有限公司 | A kind of lift car plate weld positioning tool |
| CN208706788U (en) * | 2018-05-07 | 2019-04-05 | 江苏百福能源科技有限公司 | Lithium battery pole slice fast-positioning device |
| CN209407998U (en) * | 2018-10-26 | 2019-09-20 | 大族激光科技产业集团股份有限公司 | A kind of absorption localization tool |
| CN213543470U (en) * | 2020-11-10 | 2021-06-25 | 南京哈维斯特精密机械有限公司 | Wind-powered electricity generation module raw and other materials size detection equipment |
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Application publication date: 20211029 |
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