CN113752037A - Lithium battery pack welding system - Google Patents
Lithium battery pack welding system Download PDFInfo
- Publication number
- CN113752037A CN113752037A CN202111117773.4A CN202111117773A CN113752037A CN 113752037 A CN113752037 A CN 113752037A CN 202111117773 A CN202111117773 A CN 202111117773A CN 113752037 A CN113752037 A CN 113752037A
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- China
- Prior art keywords
- sliding
- fixed
- fixedly arranged
- spot welding
- nickel strap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 101
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 59
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 58
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 156
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 78
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000010008 shearing Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/04—Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to the technical field of lithium battery production welding, and relates to a lithium battery pack welding system which comprises a shell, wherein a backing plate is fixedly arranged on the front side wall of the shell, a nickel strip conveying device is fixedly arranged on the backing plate, a nickel strip cutting device is arranged on the backing plate, a fixing plate is fixedly arranged on the backing plate, a cushion block pushing device is arranged on the fixing plate, a nickel strip spot welding device is arranged at the right end of the shell, and a lithium battery equidistant moving device is arranged at the lower end of the shell. The invention can carry out shearing treatment with specific shape and equal length on the nickel strap, can carry out rapid positioning and spot welding treatment on the lithium battery pack, reduces the preparation work before welding the nickel strap, solves the problem that welding spot calibration needs to be carried out for many times when the nickel strap spot welding is carried out on the lithium battery pack, and obviously improves the working efficiency and the integral welding quality of the nickel strap spot welding.
Description
Technical Field
The invention belongs to the technical field of lithium battery production and welding, and particularly relates to a lithium battery pack welding system.
Background
As is well known, lithium batteries are a type of batteries which use lithium metal or lithium alloy as a negative electrode material and use non-aqueous electrolyte solution, along with the development of science and technology, the lithium batteries become mainstream at present, a plurality of daily electric appliances can see the shadow of the lithium batteries, the power required by the electric appliances in normal operation is different, the lithium batteries are connected in series or in parallel to form a lithium battery pack so as to obtain corresponding electric quantity or output voltage, and the manual welding point calibration is required for a plurality of times when the conventional spot welding device of the lithium batteries is used for carrying out nickel strip spot welding on the lithium battery pack, so that the lithium batteries are easy to deviate during spot welding, the spot welding position is wrong, the processing efficiency of the lithium batteries is greatly influenced, and the finished product quality of the lithium batteries is reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a lithium battery pack welding system which can perform shearing treatment on a nickel strap in a specific shape and with equal length, and can perform rapid positioning and spot welding treatment on a lithium battery pack.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a lithium cell group welding system, includes the casing, the fixed backing plate that is equipped with on the preceding lateral wall of casing, the fixed nickel strap conveyer that is equipped with on the backing plate, be equipped with nickel strap cutting device on the backing plate, nickel strap cutting device is used for length such as to cut out special setting form to the nickel strap, the fixed plate that is equipped with on the backing plate, be equipped with cushion thrust unit on the fixed plate, the casing right end is equipped with nickel strap spot welding device, the casing lower extreme is equipped with lithium cell equidistance mobile device, lithium cell equidistance mobile device is used for equidistance when spot welding and promotes convenient spot welding of lithium cell group.
Preferably, nickel strap conveyer is including fixed setting up nickel strap fixed axle on the backing plate, it is equipped with the nickel strap to rotate on the nickel strap fixed axle, it is equipped with four gyro wheel axles, every to rotate on the backing plate the last fixed gyro wheel that is equipped with of gyro wheel axle, one of them the last fixed gyro wheel sprocket that is equipped with of gyro wheel axle, be equipped with two conveyer belt wheels on the backing plate, two the cover is equipped with the conveyer belt between the conveyer belt wheel, the equidistance distributes and is equipped with three conveyer belt boss on the conveyer belt.
Preferably, nickel strap cutting device is including fixing the inside fixed case of motor of casing, the fixed incasement of motor is fixed and is equipped with the motor, be equipped with the motor shaft on the output of motor, the fixed motor sprocket that is equipped with on the motor shaft, motor sprocket with the gyro wheel sprocket is gone up the cover and is equipped with the short chain, the fixed slider that is equipped with on the motor sprocket, the fixed slip wall that is equipped with on the backing plate, it is equipped with the tup to slide on the slip wall, the slider with the tup slides and rotates and connect, the fixed tool bit fixed station that is equipped with on the backing plate, it is equipped with the cutting edge to slide on the tool bit fixed station, go up the cutting edge with be connected with the spring that resets between the tool bit fixed station, the fixed cutting edge that is equipped with of right-hand member of tool bit fixed station.
Preferably, cushion thrust unit is including fixed setting up compression rod on the fixed plate right side wall, the left end of compression rod is fixed and is equipped with the hinge, the hinge with be connected with the spring between the compression rod, the fixed pivot that is equipped with on the fixed plate, it is equipped with articulated promotion piece to rotate in the pivot, articulated promotion piece with the hinge is articulated, articulated promotion piece upper end is articulated to be equipped with the slide bar, the fixed slip post that is equipped with in slide bar left end, the slip post with fixed plate sliding connection, the fixed plate left end is fixed and is equipped with the fixed block, it is equipped with the cushion to slide and rotate on the fixed block, the cushion with be connected with torsion compression spring between the fixed block.
Preferably, nickel strap spot welding device is including fixed setting L type fixed plate on the lateral wall on the casing, it is equipped with straight gear shaft to rotate on the L type fixed plate, the fixed little sprocket that is equipped with in rear end of straight gear shaft, the fixed straight-teeth gear that is equipped with on the straight gear shaft, the fixed slip table that is equipped with of right-hand member of casing, the slip is equipped with spot welding head fixed block in the slip table, the fixed slip gag lever post that is equipped with on the spot welding head fixed block, the fixed rack that is equipped with in left end of slip gag lever post, the fixed slide bar that is equipped with in two sets of slip gag lever posts of slip gag lever post longitudinal symmetry, interior slide bar with the inside spout sliding connection of slip table, the fixed spot welding head that is equipped with in slip table right side, spot welding head longitudinal symmetry is equipped with two handles, the fixed spot welding needle that is equipped with of spot welding head lower extreme.
Preferably, lithium cell equidistance mobile device is in including fixed setting the support frame of casing lower extreme, the inside rotation of support frame is equipped with the transmission shaft, the transmission shaft with the cover is equipped with long chain on the little sprocket, the front end of transmission shaft is fixed and is equipped with the transmission straight-teeth gear, the support frame lower extreme slides and is equipped with long rack, long rack with the meshing of transmission straight-teeth gear, the fixed push pedal that is equipped with of long rack right-hand member, it is equipped with slide jig to slide on the support frame, the inside fixed lithium cell group that is equipped with of slide jig.
When the nickel strap needs to be cut, the nickel strap penetrates through a gap between the two groups of rollers, so that the bent nickel strap is flattened, then the motor is started, the motor shaft drives the motor chain wheel to rotate, the roller chain wheel is driven to rotate through the short chain sleeved on the motor chain wheel and the roller chain wheel, so that the nickel strap continuously moves forwards, the motor chain wheel rotates to drive the sliding block to slide and rotate in the sliding groove on the hammer head, so that the hammer head continuously slides up and down on the sliding wall, when the nickel strap touches the lower end of the hinged pushing block through the platform of the cutter head fixing table, the hinged pushing block is pushed to enable the hinged pushing block to rotate around the rotating shaft, further the sliding column fixed on the sliding rod is pushed to move forwards in the sliding groove of the fixing plate until the sliding rod pushes the cushion block, so that the nickel strap rotates on the fixing block, and the front end of the cushion block is positioned above the upper cutting edge, the cushion is beaten to continuous gliding tup from top to bottom this moment, cutting edge downstream in the drive, make go up the cutting edge respectively with the extension of tool bit fixed station and the cutting edge meshing realize the shearing to the nickel strap down, the nickel strap after the shearing falls to the conveyer belt top and outwards carries through the conveyer belt boss, and simultaneously, promote the piece around pivot pivoted hinge joint, the articulated joint of promotion that resets through the spring, make articulated promotion piece reset, can cut out the nickel strap of specific shape, and can take at any time, the preparation work before the nickel strap welding has been reduced, show improvement work efficiency, and the holistic welding quality of nickel strap.
When the lithium battery pack needs to be subjected to spot welding of the nickel strap, the cut nickel strap is placed on a corresponding position of the lithium battery pack, then the sliding fixture is pushed to enable the first row position of the lithium battery pack to be located below a spot welding needle, the spot welding head is started to work, then the handles are held by two hands to lift the spot welding head upwards, the spot welding head is enabled to drive a spot welding head fixing block, an inner sliding rod fixed with the spot welding head fixing block moves in a sliding groove in a sliding table, after the spot welding head moves to the top point, the spot welding head moves downwards to enable the inner sliding rod to move downwards in the sliding groove in the sliding table until a rack fixed at the bottom of a sliding limiting rod is meshed with a straight gear, when the rack moves downwards, a straight gear fixed on a straight gear shaft is driven to rotate, a small chain wheel drives a large transmission chain wheel to rotate through a long chain, and further drives a transmission straight gear fixed with a transmission shaft to rotate, make the long rack with transmission straight-teeth gear meshing move forward, through push pedal equidistance promotion slip fixture, the nickel strap spot welding to lithium cell group is realized to repeated round trip movement point bonding tool, and the spot welding mode is simple easy to operate, and only needs to aim at a solder joint when carrying out nickel strap spot welding to lithium cell group, later can promote the welding that the equidistant removal of group battery realized the group battery by oneself.
Compared with the prior art, the lithium battery pack welding system has the following advantages:
the nickel strap welding machine can cut a nickel strap with a specific shape and can be used at any time, preparation work before welding of the nickel strap is reduced, and work efficiency and overall welding quality of the nickel strap are remarkably improved.
2. The spot welding mode is simple and easy to operate, and only one welding point needs to be aligned when the nickel strip spot welding is carried out on the lithium battery pack, and then the battery pack can be automatically pushed to move equidistantly to realize the welding of the battery pack.
Drawings
Fig. 1 is a schematic diagram of a lithium battery pack welding system.
Fig. 2 is a sectional view taken along a line a-a in fig. 1.
Fig. 3 is an enlarged sectional view at B in fig. 2.
Fig. 4 is a sectional view taken along line C-C in fig. 3.
Fig. 5 is a partial sectional view at D in fig. 1.
Fig. 6 is a schematic view of the shearing apparatus of fig. 1.
In the figure, 10, the housing; 11. a roller; 12. a roller shaft; 13. a short chain; 14. a hammer head; 15. cushion blocks; 16. A sliding post; 17. a slide bar; 18. a fixing plate; 19. an L-shaped fixing plate; 20. a spur gear; 21. sliding the limiting rod; 22. a sliding table; 23. a spot welding head; 24. a grip; 25. spot welding pins; 26. a compression rod; 27. a spring; 28. a hinge joint; 29. a conveyor belt wheel; 30. a conveyor belt; 31. a conveyor belt boss; 32. a fixed block; 33. A torsion compression spring; 34. a tool bit fixing table; 35. a support frame; 36. a nickel strap fixing shaft; 37. a nickel strap; 38. A base plate; 39. a drive shaft; 40. a large drive sprocket; 41. a long chain; 42. a motor fixing box; 43. a motor; 44. a motor shaft; 45. a lower cutting edge; 46. a roller sprocket; 47. a sliding wall; 48. a motor sprocket; 49. A slider; 50. a hinged pushing block; 51. a lithium battery pack; 52. a sliding jig; 53. a return spring; 54. a small sprocket; 55. a rack; 56. an upper cutting edge; 57. an inner slide bar; 58. fixing blocks of the spot welding heads; 59. a transmission spur gear; 60. a long rack; 61. pushing the plate; 62. a rotating shaft; 63. straight gear shaft.
Detailed Description
The following are specific embodiments of the present invention and further description of the technical solutions of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, a lithium battery pack welding system, including casing 10, the fixed backing plate 38 that is equipped with on the preceding lateral wall of casing 10, the fixed nickel strap conveyer that is equipped with on the backing plate 38, be equipped with nickel strap cutting device on the backing plate 38, nickel strap cutting device is used for length such as equal to cut out specific shape to the nickel strap, the fixed mounting plate 18 that is equipped with on the backing plate 38, be equipped with cushion thrust unit on the mounting plate 18, casing 10 right-hand member is equipped with nickel strap spot welding device, casing 10 lower extreme is equipped with lithium cell equidistance mobile device, lithium cell equidistance mobile device is used for equidistance when the spot welding and pushes away lithium battery group and makes things convenient for spot welding.
As shown in fig. 1 and 2, the nickel belt conveying device includes a nickel belt fixing shaft 36 fixedly disposed on a backing plate 38, a nickel belt 37 is rotatably disposed on the nickel belt fixing shaft 36, four roller shafts 12 are rotatably disposed on the backing plate 38, a roller 11 is fixedly disposed on each roller shaft 12, a roller sprocket 46 is fixedly disposed on one roller shaft 12, two conveying pulleys 29 are disposed on the backing plate 38, a conveying belt 30 is sleeved between the two conveying pulleys 29, and three conveying belt bosses 31 are equidistantly disposed on the conveying belt 30.
As shown in fig. 1, 2 and 6, the nickel strip cutting device includes a motor fixing box 42 fixed inside the housing 10, a motor 43 is fixedly disposed in the motor fixing box 42, an output end of the motor 43 is provided with a motor shaft 44, a motor sprocket 48 is fixedly disposed on the motor shaft 44, a short chain 13 is sleeved on the motor sprocket 48 and the roller sprocket 46, a slider 49 is fixedly disposed on the motor sprocket 48, a sliding wall 47 is fixedly disposed on the backing plate 38, a hammer 14 is slidably disposed on the sliding wall 47, the slider 49 is slidably and rotatably connected with the hammer 14, a cutter head fixing table 34 is fixedly disposed on the backing plate 38, an upper cutting edge 56 is slidably disposed on the cutter head fixing table 34, a return spring 53 is connected between the upper cutting edge 56 and the cutter head fixing table 34, and a lower cutting edge 45 is fixedly disposed at a right end of the cutter head fixing table 34.
As shown in fig. 1 and 2, the cushion block pushing device includes a compression rod 26 fixedly disposed on the right side wall of the fixing plate 18, a hinge 28 is fixedly disposed at the left end of the compression rod 26, a spring 27 is connected between the hinge 28 and the compression rod 26, a rotating shaft 62 is fixedly disposed on the fixing plate 18, a hinge pushing block 50 is rotatably disposed on the rotating shaft 62, the hinge pushing block 50 is hinged to the hinge 28, a sliding rod 17 is hinged to the upper end of the hinge pushing block 50, a sliding column 16 is fixedly disposed at the left end of the sliding rod 17, the sliding column 16 is slidably connected with the fixing plate 18, a fixing block 32 is fixedly disposed at the left end of the fixing plate 18, a cushion block 15 is slidably and rotatably disposed on the fixing block 32, and a torsion compression spring 33 is connected between the cushion block 15 and the fixing block 32.
As shown in fig. 1, 2, 3 and 4, the nickel strip spot welding device includes an L-shaped fixing plate 19 fixedly disposed on the upper side wall of the housing 10, a spur gear shaft 63 is rotatably disposed on the L-shaped fixing plate 19, a small chain wheel 54 is fixedly disposed at the rear end of the spur gear shaft 63, a spur gear 20 is fixedly disposed on the spur gear shaft 63, a sliding table 22 is fixedly disposed at the right end of the housing 10, a spot welding head fixing block 58 is slidably disposed in the sliding table 22, a sliding limiting rod 21 is fixedly disposed on the spot welding head fixing block 58, a rack 55 is fixedly disposed at the left end of the sliding limiting rod 21, two sets of inner sliding rods 57 are vertically and symmetrically and fixedly disposed on the sliding limiting rod 21, the inner sliding rods 57 are slidably connected with an inner sliding groove of the sliding table 22, a spot welding head 23 is fixedly disposed at the right side of the sliding table 22, two handles 24 are symmetrically disposed at the front and rear of the spot welding head 23, and a spot welding needle 25 is fixedly disposed at the lower end of the spot welding head 23.
As shown in fig. 2 and 5, the equidistant moving device of the lithium battery comprises a support frame 35 fixedly arranged at the lower end of the shell 10, a transmission shaft 39 is rotatably arranged inside the support frame 35, a long chain 41 is sleeved on the transmission shaft 39 and a small chain wheel 54, a straight transmission gear 59 is fixedly arranged at the front end of the transmission shaft 39, a long rack 60 is slidably arranged at the lower end of the support frame 35, the long rack 60 is meshed with the straight transmission gear 59, a push plate 61 is fixedly arranged at the right end of the long rack 60, a sliding clamp 52 is slidably arranged on the support frame 35, and a lithium battery pack 51 is fixedly arranged inside the sliding clamp 52.
When the nickel strap needs to be cut, the nickel strap passes through the gap between the two sets of rollers 11, so that the bent nickel strap is flattened, then the motor 43 is started, the motor shaft 44 drives the motor chain wheel 48 to rotate, the roller chain wheel 46 is driven to rotate through the short chain 13 sleeved on the motor chain wheel 48 and the roller chain wheel 46, so that the nickel strap continuously moves forwards, meanwhile, the motor chain wheel 48 rotates to drive the sliding block 49 to slide and rotate in the sliding groove on the hammer head 14, so that the hammer head 14 continuously slides up and down on the sliding wall 47, when the nickel strap touches the lower end of the hinged pushing block 50 through the platform of the cutter head fixing table 34, the hinged pushing block 50 is pushed to enable the hinged pushing block 50 to rotate around the rotating shaft 62, so as to push the sliding column 16 fixed on the sliding rod 17 to move forwards in the sliding groove of the fixing plate 18, until the sliding rod 17 pushes the cushion block 15, so that the cushion block 15 rotates on the fixing block 32, make the front end of cushion 15 be located the top of last cutting edge 56, cushion 15 is beaten to the tup 14 of constantly sliding from top to bottom this moment, drive last cutting edge 56 and move down, make it respectively with the extension of tool bit fixed station 34 and lower cutting edge 45 mesh realize the shearing to the nickel strap to go up cutting edge 56, the nickel strap after the shearing falls to conveyer belt 30 top and outwards carries through conveyer belt boss 31, and simultaneously, around pivot 62 pivoted articulated promotion piece 50, through articulated joint 28 of the reposition promotion of spring 27, make articulated promotion piece 50 reset, can cut out the nickel strap of specific shape, and can take at any time, reduced the preparation work before the nickel strap welding, show improvement work efficiency, and the holistic welding quality of nickel strap.
When the lithium battery pack needs to be subjected to spot welding of the nickel strap, the cut nickel strap is placed at a corresponding position of the lithium battery pack, then the sliding fixture 52 is pushed to enable the first row of the lithium battery pack 51 to be located below the spot welding needle 25, the spot welding head 23 is started to enable the spot welding needle 25 to work, then the handle 24 is held by two hands to lift the spot welding head 23 upwards, the spot welding head 23 drives the spot welding head fixing block 58, the inner sliding rod 57 fixed with the spot welding head fixing block 58 moves in a sliding groove in the sliding table 22, after the spot welding head 23 moves to the top point, the spot welding head 23 is moved downwards to enable the inner sliding rod 57 to move downwards in the sliding groove in the sliding table 22 until the rack 55 fixed at the bottom of the sliding limiting rod 21 is meshed with the straight gear 20, when the rack 55 moves downwards, the straight gear 20 fixed on the straight gear shaft 63 is driven to rotate, and the small chain wheel 54 drives the large transmission chain wheel 40 to rotate through the long chain 41, and then drive the transmission straight gear 59 that is fixed with transmission shaft 39 and rotate for the long rack 60 with transmission straight gear 59 meshing moves forward, promotes slide fixture 52 through push pedal 61 equidistance, and the repeated come and go back to move point bonding tool 23 and realize the nickel strap spot welding to lithium cell group, and the spot welding mode is simple easy to operate, and only need aim at a solder joint when carrying out nickel strap spot welding to lithium cell group, later can promote the equidistant removal of group battery by oneself and realize the welding to the group battery.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a lithium cell group welding system, includes casing (10), its characterized in that, fixed backing plate (38) that is equipped with on the preceding lateral wall of casing (10), the fixed nickel strap conveyer that is equipped with on backing plate (38), be equipped with nickel strap cutting device on backing plate (38), nickel strap cutting device is used for length such as being used for shearing out specific shape to the nickel strap, fixed plate (18) that are equipped with on backing plate (38), be equipped with cushion thrust unit on fixed plate (18), casing (10) right-hand member is equipped with nickel strap spot welding device, casing (10) lower extreme is equipped with lithium cell equidistance mobile device, lithium cell equidistance mobile device is used for promoting the convenient spot welding of lithium cell group when the spot welding.
2. The lithium battery pack welding system of claim 1, wherein: nickel strap conveyer is including fixed setting up nickel strap fixed axle (36) on backing plate (38), it is equipped with nickel strap (37) to rotate on nickel strap fixed axle (36), it is equipped with four gyro wheel axles (12) to rotate on backing plate (38), every fixed gyro wheel (11) that are equipped with on gyro wheel axle (12), one of them the fixed gyro wheel sprocket (46) that are equipped with on gyro wheel axle (12), be equipped with two conveyer belt wheels (29) on backing plate (38), two the cover is equipped with conveyer belt (30) between conveyer belt wheel (29), equidistant distribution is equipped with three conveyer belt boss (31) on conveyer belt (30).
3. The lithium battery pack welding system of claim 2, wherein: the nickel strap cutting device comprises a motor fixing box (42) fixed inside a shell (10), a motor (43) is fixedly arranged in the motor fixing box (42), a motor shaft (44) is arranged at the output end of the motor (43), a motor chain wheel (48) is fixedly arranged on the motor shaft (44), a short chain (13) is sleeved on the motor chain wheel (48) and the roller chain wheel (46), a sliding block (49) is fixedly arranged on the motor chain wheel (48), a sliding wall (47) is fixedly arranged on a backing plate (38), a hammer head (14) is arranged on the sliding wall (47) in a sliding manner, the sliding block (49) is connected with the hammer head (14) in a sliding manner and in a rotating manner, a tool bit fixing table (34) is fixedly arranged on the backing plate (38), an upper cutting edge (56) is arranged on the tool bit fixing table (34), and a reset spring (53) is connected between the upper cutting edge (56) and the tool bit fixing table (34), the right end of the tool bit fixing table (34) is fixedly provided with a lower cutting edge (45).
4. A lithium battery pack welding system according to claim 3, characterized in that: the cushion block pushing device comprises a compression rod (26) fixedly arranged on the right side wall of the fixed plate (18), a hinged joint (28) is fixedly arranged at the left end of the compression rod (26), a spring (27) is connected between the hinged joint (28) and the compression rod (26), a rotating shaft (62) is fixedly arranged on the fixed plate (18), a hinged pushing block (50) is rotatably arranged on the rotating shaft (62), the hinged pushing block (50) is hinged with the hinged head (28), the upper end of the hinged pushing block (50) is hinged with a sliding rod (17), a sliding column (16) is fixedly arranged at the left end of the sliding rod (17), the sliding column (16) is connected with the fixed plate (18) in a sliding way, a fixed block (32) is fixedly arranged at the left end of the fixed plate (18), a cushion block (15) is arranged on the fixed block (32) in a sliding and rotating manner, and a torsion compression spring (33) is connected between the cushion block (15) and the fixed block (32).
5. The lithium battery pack welding system of claim 4, wherein: the nickel strap spot welding device comprises an L-shaped fixing plate (19) fixedly arranged on the side wall of a shell (10), a straight gear shaft (63) is arranged on the L-shaped fixing plate (19) in a rotating mode, a small chain wheel (54) is fixedly arranged at the rear end of the straight gear shaft (63), a straight gear (20) is fixedly arranged on the straight gear shaft (63), a sliding table (22) is fixedly arranged at the right end of the shell (10), a spot welding head fixing block (58) is arranged in the sliding table (22) in a sliding mode, a sliding limiting rod (21) is fixedly arranged on the spot welding head fixing block (58), a rack (55) is fixedly arranged at the left end of the sliding limiting rod (21), two groups of inner sliding rods (57) are fixedly arranged on the sliding limiting rod (21) in an up-down symmetrical mode, the inner sliding rods (57) are connected with the sliding groove in the sliding table (22) in a sliding mode, a spot welding head (23) is fixedly arranged on the right side of the sliding table (22), the spot welding head (23) is symmetrically provided with two grips (24) in front and back, and the lower end of the spot welding head (23) is fixedly provided with a spot welding needle (25).
6. The lithium battery pack welding system of claim 5, wherein: lithium cell equidistance mobile device is in including fixed setting support frame (35) of casing (10) lower extreme, support frame (35) inside rotation is equipped with transmission shaft (39), transmission shaft (39) with the cover is equipped with long chain (41) on little sprocket (54), the front end of transmission shaft (39) is fixed and is equipped with transmission straight-teeth gear (59), support frame (35) lower extreme slides and is equipped with long rack (60), long rack (60) with transmission straight-teeth gear (59) meshing, long rack (60) right-hand member is fixed and is equipped with push pedal (61), it is equipped with slide jig (52) to slide on support frame (35), slide jig (52) inside fixed lithium cell group (51) that is equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117773.4A CN113752037B (en) | 2021-09-24 | 2021-09-24 | Lithium battery pack welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2203490A1 (en) * | 1997-04-23 | 1998-10-23 | Hydro-Quebec | Ultra-thin solid lithium batteries and manufacturing process |
| CN201632756U (en) * | 2010-03-29 | 2010-11-17 | 刘辉国 | Automatic nickel sheet welding device for battery protection boards |
| CN105772918A (en) * | 2016-04-22 | 2016-07-20 | 东莞博力威新能源有限公司 | Automatic welding equipment for nickel sheet of lithium-ion battery and welding technology |
| CN109225913A (en) * | 2018-10-07 | 2019-01-18 | 苏州博鲁克机器人系统工程有限公司 | Lithium battery sorting detection welder |
| CN212531701U (en) * | 2020-04-30 | 2021-02-12 | 东莞市合力激光设备有限公司 | Nickel strap material loading cutting device |
-
2021
- 2021-09-24 CN CN202111117773.4A patent/CN113752037B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2203490A1 (en) * | 1997-04-23 | 1998-10-23 | Hydro-Quebec | Ultra-thin solid lithium batteries and manufacturing process |
| CN201632756U (en) * | 2010-03-29 | 2010-11-17 | 刘辉国 | Automatic nickel sheet welding device for battery protection boards |
| CN105772918A (en) * | 2016-04-22 | 2016-07-20 | 东莞博力威新能源有限公司 | Automatic welding equipment for nickel sheet of lithium-ion battery and welding technology |
| CN109225913A (en) * | 2018-10-07 | 2019-01-18 | 苏州博鲁克机器人系统工程有限公司 | Lithium battery sorting detection welder |
| CN212531701U (en) * | 2020-04-30 | 2021-02-12 | 东莞市合力激光设备有限公司 | Nickel strap material loading cutting device |
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| CN113752037B (en) | 2023-12-05 |
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