CN117697250B - Welding device - Google Patents
Welding device Download PDFInfo
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- CN117697250B CN117697250B CN202311853675.6A CN202311853675A CN117697250B CN 117697250 B CN117697250 B CN 117697250B CN 202311853675 A CN202311853675 A CN 202311853675A CN 117697250 B CN117697250 B CN 117697250B
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- welding
- driving
- positioning
- nickel
- buffer
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- 238000003466 welding Methods 0.000 title claims abstract description 262
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 167
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 82
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims description 23
- 230000000007 visual effect Effects 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 239000004411 aluminium Substances 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention provides a welding device which is used for welding a nickel sheet and an aluminum sheet, wherein the aluminum sheet is arranged on a piece to be connected, and the nickel sheet is arranged on the aluminum sheet; the welding device comprises: the welding mechanism and the auxiliary welding structure comprise a main body part and a welding nozzle which are connected with each other, the main body part is fixedly arranged, and the welding part of the welding mechanism is arranged towards the welding nozzle; the positioning structure is used for positioning and matching with the aluminum sheet and/or the connecting piece to be connected, and the positioning structure is movably arranged. By the technical scheme provided by the invention, the problem of low welding efficiency of the integrated busbar of the energy storage product in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of intelligent manufacturing of energy storage products, in particular to a welding device.
Background
At present, the integrated busbar of the battery cell module needs to connect the whole array of battery cells in series by welding nickel sheets.
However, in the prior art, a single aluminum plate is welded with an integrated busbar, and then assembled with an injection molding piece of the integrated busbar after welding. Like this, overall efficiency is comparatively low to adopt the manual work to weld one by one, often can't guarantee welding quality, the inconsistent scheduling problem of rosin joint and penetration appears easily, and then lead to welding efficiency lower.
Disclosure of Invention
The invention mainly aims to provide a welding device for solving the problem of low welding efficiency of an integrated busbar of an energy storage product in the prior art.
In order to achieve the above object, the present invention provides a welding device for welding a nickel sheet and an aluminum sheet, the aluminum sheet being mounted on a member to be joined, the nickel sheet being mounted on the aluminum sheet; the welding device comprises:
the welding mechanism and the auxiliary welding structure comprise a main body part and a welding nozzle which are connected with each other, the main body part is fixedly arranged, and the welding part of the welding mechanism is arranged towards the welding nozzle;
the positioning structure is arranged on the connecting piece, the positioning part of the positioning structure is used for being matched with the aluminum sheet and/or the connecting piece in a positioning way, and the positioning structure is movably arranged;
The positioning structure is provided with a welding position and a separating position; when the positioning structure is positioned at the welding position, the positioning structure drives the aluminum sheet and/or the nickel sheet to move to the position where the aluminum sheet and/or the nickel sheet is in butt joint with the welding nozzle, and welding operation is carried out through a welding part of the welding mechanism; when the positioning structure is at the separating position, the positioning structure drives the aluminum sheet and/or the nickel sheet to move to the position separated from the welding nozzle.
Further, the welding device further includes:
The driving structure is in driving connection with the positioning structure to drive the positioning structure to move to a welding position or a separating position.
Further, the positioning structure is arranged below the auxiliary welding structure; the driving structure comprises a driving support piece, the driving support piece is movably arranged, the positioning structure is supported on the driving support piece, a first positioning part is arranged on the positioning structure, a second positioning part matched with the first positioning part is arranged on the driving support piece, and the positioning structure is positioned through the cooperation of the first positioning part and the second positioning part.
Further, the driving structure further includes:
The driving part of the first driving assembly is arranged in a lifting manner and is in driving connection with the driving support piece;
The driving part of the second driving assembly is movably arranged along the horizontal direction and is in driving connection with the first driving assembly, so that the second driving assembly drives the positioning structure to move to a position opposite to the auxiliary welding structure or to a position staggered from the auxiliary welding structure through the first driving assembly.
Further, the welding device further includes:
the driving part of the second driving assembly is in driving connection with the first mounting seat, the first driving assembly is arranged on the first mounting seat, a first guide structure is arranged on the first mounting seat, a second guide structure matched with the first guide structure is arranged on the driving support piece, and at least one of the first guide structure and the second guide structure extends along the lifting direction of the driving part of the first driving assembly;
The second driving assembly is arranged on the second mounting seat, a third guide structure is arranged on the first mounting seat, a fourth guide structure matched with the third guide structure is arranged on the second mounting seat, and at least one of the third guide structure and the fourth guide structure extends along the moving direction of the driving part of the second driving assembly.
Further, a communicating hole is formed in the main body part, and the welding nozzle is arranged at the communicating hole or opposite to the communicating hole; the welding device further includes:
The visual detection structure is arranged towards the communication hole, and the visual detection structure and the welding mechanism are connected with the control mechanism;
Before the welding mechanism welds, when the positioning structure is positioned at the welding position, the visual detection structure is used for detecting the position of the nickel sheet, and the control mechanism adjusts the welding position of the welding part according to the condition detected by the visual detection structure; after the welding mechanism finishes welding, when the positioning structure is at the welding position, the visual detection structure is used for detecting the welding condition of the nickel sheet, and the control mechanism carries out repair welding operation on the welding mechanism or enables the positioning structure to move from the welding position to the separation position according to the welding condition detected by the visual detection structure.
Further, a plurality of aluminum sheets are arranged on the to-be-connected piece, the plurality of aluminum sheets are arranged on the to-be-connected piece at intervals, and each aluminum sheet is provided with a nickel sheet; the welding nozzles are a plurality of, and a plurality of welding nozzles and a plurality of aluminum sheets set up in a one-to-one correspondence, and each welding nozzle sets up with corresponding aluminum sheet relatively.
Further, at least two nickel sheets are arranged on each aluminum sheet; the plurality of welding nozzles includes:
The middle welding nozzle is located the middle part of a plurality of welding nozzles, the middle welding nozzle includes first buffer portion, second buffer portion and first play mouth, first buffer portion and second buffer portion set up along the direction interval of arranging of two at least nickel pieces, first buffer portion and second buffer portion set up respectively in the both sides of first play mouth, the one end that first play mouth was kept away from to first buffer portion is connected with main part, the one end that first play mouth was kept away from to second buffer portion is connected with main part, the play mouth end of first play mouth sets up towards two at least nickel pieces, the play mouth end of first play mouth is used for the butt on two at least nickel pieces.
Further, at least two nickel sheets are arranged on each aluminum sheet; the plurality of welding nozzles includes:
The end welding nozzles are positioned at the ends of the plurality of welding nozzles and comprise at least two second outlet parts and at least two buffer parts, the at least two second outlet parts are arranged in one-to-one correspondence with the at least two nickel sheets, and each second outlet part is arranged towards the corresponding nickel sheet; the at least two buffer parts are arranged in one-to-one correspondence with the at least two second outlet parts, and each buffer part is arranged between the corresponding second outlet part and the main body part;
Wherein the cushioning force of one of the at least two cushioning members proximate the end portion is less than the cushioning force of one of the at least two cushioning members distal the end portion.
Further, the buffer part comprises a first buffer piece and a second buffer piece which are arranged at intervals, the first buffer piece and the second buffer piece are arranged at intervals along the extending direction of the nickel sheet, and the first buffer piece and the second buffer piece are respectively positioned at two sides of the second outlet part; the spacing between the first bumper and the second bumper of one of the at least two bumper members proximate the end is greater than the spacing between the first bumper and the second bumper of one of the at least two bumper members distal the end.
Further, the second outlet portion has a welding channel;
the second outlet part comprises a main body section and a supporting section which are connected with each other, the main body section protrudes below the supporting section, the supporting section extends along the extending direction of the nickel sheet, the first buffer piece and the second buffer piece are respectively arranged at two ends of the supporting section along the extending direction of the nickel sheet, and the welding channel penetrates through the main body section and the supporting section; and/or the number of the groups of groups,
The end welding nozzle further comprises a connecting piece, at least two buffer parts are connected with the connecting piece, an avoidance through hole is formed in the connecting piece, and welding channels of the at least two second outlet parts are arranged opposite to the avoidance through hole.
By applying the technical scheme of the invention, when the positioning structure is in the separation position, the nickel sheet, the aluminum sheet and the to-be-connected piece can be assembled and then placed on the positioning structure, and then the positioning structure is controlled to move to the welding position, so that the welding operation of the welding mechanism is realized, the synchronous welding of the whole integrated busbar is further realized automatically, and the consistency of the welding quality of products is ensured; after the welding is finished, the positioning structure is controlled to return to the separation position so as to realize the blanking operation of the product, and the welding efficiency is further improved through the arrangement. Therefore, through the welding device that this embodiment provided, can solve the welding efficiency lower problem of the integrated busbar of energy storage product among the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
fig. 1 is a schematic view showing the overall structure of a welding apparatus according to an embodiment of the present invention;
FIG. 2 illustrates a schematic view of an angle configuration of a welding device provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates another angular schematic view of a welding apparatus provided in accordance with an embodiment of the present invention;
FIG. 4 shows a schematic view of a further angle of a welding apparatus provided in accordance with an embodiment of the present invention;
FIG. 5 shows an enlarged schematic view of the nickel plate, aluminum sheet, and to-be-joined member of FIG. 4;
Fig. 6 is an enlarged schematic view showing the structure of a welding nozzle of a welding device according to an embodiment of the present invention;
Fig. 7 is a schematic structural view showing a positioning structure of a welding device according to an embodiment of the present invention;
Fig. 8 is a schematic structural view showing a driving structure of a welding device according to an embodiment of the present invention.
Wherein the above figures include the following reference numerals:
10. nickel flakes;
20. An aluminum sheet;
30. A member to be connected;
40. An auxiliary welding structure; 41. a main body portion; 411. a communication hole; 42. a welding nozzle; 421. a middle welding nozzle; 4211. a first buffer section; 4212. a second buffer section; 4213. a first outlet portion; 422. an end welding nozzle; 4221. a second outlet portion; 42211. a main body section; 42212. a support section; 4222. a buffer member; 42221. a first buffer member; 42222. a second buffer member; 4223. a connecting piece;
50. a positioning structure; 51. a first positioning portion;
60. a driving structure; 61. a driving support; 611. a second positioning portion; 612. a second guide structure; 62. a first drive assembly; 63. a second drive assembly;
71. a first mount; 711. a first guide structure; 712. a third guide structure; 72. a second mounting base; 721. and a fourth guiding structure.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 8, the embodiment of the present invention provides a welding apparatus for welding a nickel sheet 10 and an aluminum sheet 20, the aluminum sheet 20 being mounted on a member to be connected 30, the nickel sheet 10 being mounted on the aluminum sheet 20. The welding device includes a welding mechanism and an auxiliary welding structure 40, the auxiliary welding structure 40 includes a main body portion 41 and a welding nozzle 42 connected to each other, the main body portion 41 is fixedly provided, and a welding portion of the welding mechanism is provided toward the welding nozzle 42. The welding device further comprises a positioning structure 50, the to-be-connected piece 30 is arranged on the positioning structure 50, the positioning part of the positioning structure 50 is used for being in positioning fit with the aluminum sheet 20 and/or the to-be-connected piece 30, and the positioning structure 50 is movably arranged. The positioning structure 50 has a welding position and a separating position, and when the positioning structure 50 is at the welding position, the positioning structure drives the aluminum sheet 20 and/or the nickel sheet 10 to move to a position abutting against the welding nozzle 42, and performs welding operation through a welding part of the welding mechanism; when the positioning structure 50 is in the separated position, the positioning structure 50 moves the aluminum sheet 20 and/or the nickel sheet 10 to a position separated from the welding tip 42.
By adopting the welding device in the embodiment, the welding, taking and discharging of products can be automatically realized conveniently by controlling the position of the positioning structure 50. When the positioning structure 50 is at the separation position, the nickel sheet 10, the aluminum sheet 20 and the to-be-connected piece 30 can be assembled and then placed on the positioning structure 50, and then the positioning structure 50 is controlled to move to the welding position, so that the welding operation of the welding mechanism is realized, the synchronous welding of the whole integrated busbar is further automatically realized, and the consistency of the welding quality of products is ensured; after the welding is finished, the positioning structure 50 is controlled to return to the separation position so as to realize the blanking operation of products, the whole set of integrated busbar is welded once through the structure, the problem of low efficiency caused by step operation is avoided, and the welding efficiency is further improved.
For better positioning, the positioning portion of the positioning structure 50 may be made to perform positioning engagement with the aluminum sheet 20 and the to-be-connected member 30.
For better welding, when the positioning structure 50 is at the welding position, the positioning structure drives the nickel plate 10 and the aluminum plate 20 to move to the position abutting against the welding nozzle 42, and the welding operation is performed through the welding part of the welding mechanism. To better ensure separation, when the positioning structure 50 is in the separated position, the positioning structure 50 moves the nickel sheet 10 and the aluminum sheet 20 to a position separated from the welding nozzle 42.
Specifically, the positioning portion of the positioning structure 50 is in positioning fit with the to-be-connected member 30 by a positioning pin.
Specifically, the welding mechanism employs a galvanometer laser welding system.
Specifically, the to-be-connected piece 30 is an integrated busbar injection molding piece.
Specifically, the welding nozzle 42 is made of brass material, and the heat dissipation effect is good.
Specifically, the welding device further includes a driving structure 60, where the driving structure 60 is in driving connection with the positioning structure 50 to drive the positioning structure 50 to move to the welding position or the separating position. By adopting the structure, the stable driving of the positioning structure 50 can be realized through the driving structure 60, the automatic operation degree of the welding device is improved, the manual participation is reduced, and the production efficiency is further improved.
Specifically, the positioning structure 50 is disposed below the auxiliary welding structure 40. The driving structure 60 includes a driving support member 61, the driving support member 61 is movably disposed, the positioning structure 50 is supported on the driving support member 61, the positioning structure 50 is provided with a first positioning portion 51, and the driving support member 61 is provided with a second positioning portion 611 matching with the first positioning portion 51, so as to position the positioning structure 50 by matching the first positioning portion 51 and the second positioning portion 611. By adopting such a structural arrangement, through the arrangement of the first positioning part 51 and the second positioning part 611, the accurate positioning of the positioning structure 50 on the driving support piece 61 is realized, the accuracy of the subsequent welding position is ensured, the position is not required to be adjusted manually, and the welding efficiency is further improved.
Specifically, the driving structure 60 further includes a first driving component 62 and a second driving component 63, where a driving portion of the first driving component 62 is disposed in a liftable manner, a driving portion of the first driving component 62 is connected with the driving support 61 in a driving manner, and a driving portion of the second driving component 63 is disposed in a movable manner along a horizontal direction, and a driving portion of the second driving component 63 is connected with the first driving component 62 in a driving manner, so that the second driving component 63 drives, through the first driving component 62, the positioning structure 50 to move to a position opposite to the auxiliary welding structure 40 or to move to a position staggered from the auxiliary welding structure 40. By adopting such a structural arrangement, the switching of the positioning structure 50 between the welding position and the separating position is realized by the arrangement of the first driving assembly 62 and the second driving assembly 63, and the automatic control of the welding operation is realized, thereby further improving the production efficiency.
Specifically, the power source of the first drive assembly 62 is a dual cylinder mechanism, which effectively makes the lift force more uniform.
Specifically, the second driving component 63 is a screw and nut matching structure.
In this embodiment, the welding apparatus further includes a first mounting seat 71 and a second mounting seat 72, the driving portion of the second driving assembly 63 is in driving connection with the first mounting seat 71, the first driving assembly 62 is mounted on the first mounting seat 71, a first guiding structure 711 is provided on the first mounting seat 71, a second guiding structure 612 adapted to the first guiding structure 711 is provided on the driving support 61, and at least one of the first guiding structure 711 and the second guiding structure 612 extends along the lifting direction of the driving portion of the first driving assembly 62. By adopting the structure, the lifting direction of the driving part of the first driving component 62 can be ensured not to deviate, and the inaccuracy of the welding position caused by the deviation of the path in the lifting process is avoided, thereby ensuring the welding precision and further improving the welding efficiency.
The second driving assembly 63 is mounted on the second mounting seat 72, the first mounting seat 71 is provided with a third guiding structure 712, the second mounting seat 72 is provided with a fourth guiding structure 721 matched with the third guiding structure 712, and at least one of the third guiding structure 712 and the fourth guiding structure 721 extends along the moving direction of the driving part of the second driving assembly 63. By adopting the structure, the fixed moving direction of the driving part of the second driving assembly 63 can be ensured, and the inaccurate welding position caused by path deviation in the moving process is avoided, so that the welding precision is ensured, and the welding efficiency is further improved. In addition, the to-be-connected piece 30 is also convenient to be transferred to the position which is misplaced with the positioning structure 50, so that the to-be-connected piece 30 which is welded is convenient to be discharged, and the to-be-welded to-be-connected piece 30 is again fed.
In the present embodiment, the main body portion 41 is provided with a communication hole 411, and the welding tip 42 is provided at the communication hole 411 or opposite to the communication hole 411. The welding device further comprises a visual detection structure and a control mechanism, wherein the visual detection structure is arranged towards the communication hole 411, and the visual detection structure and the welding mechanism are connected with the control mechanism.
Before the welding mechanism welds, when the positioning structure 50 is at the welding position, the vision detection structure is used for detecting the position of the nickel sheet 10, and the control mechanism adjusts the welding position of the welding part according to the condition detected by the vision detection structure; after the welding mechanism finishes welding, when the positioning structure 50 is at the welding position, the visual detection structure is used for detecting the welding condition of the nickel sheet 10, and the control mechanism performs repair welding operation on the welding mechanism or enables the positioning structure 50 to move from the welding position to the separating position according to the welding condition detected by the visual detection structure. By adopting the structure, the welding condition can be conveniently detected through the visual detection structure, the problems of inaccurate welding position, false welding and the like are avoided, the welding quality and accuracy are ensured, the welding condition can be automatically detected through the visual detection structure, and the welding efficiency is further improved.
In the present embodiment, a plurality of aluminum sheets 20 are disposed on the member to be connected 30, the plurality of aluminum sheets 20 are disposed on the member to be connected 30 at intervals, and each aluminum sheet 20 is provided with a nickel sheet 10; the plurality of welding nozzles 42 are provided, and the plurality of welding nozzles 42 are disposed in one-to-one correspondence with the plurality of aluminum sheets 20, and each welding nozzle 42 is disposed opposite to the corresponding aluminum sheet 20. With such a structural arrangement, a plurality of aluminum sheets 20 and nickel sheets 10 on the member to be joined 30 can be welded simultaneously without the need for step-by-step operation, thereby further improving the welding efficiency.
Specifically, at least two nickel plates 10 are mounted on each aluminum plate 20. The plurality of welding nozzles 42 include an intermediate welding nozzle 421, the intermediate welding nozzle 421 is located in the middle of the plurality of welding nozzles 42, the intermediate welding nozzle 421 includes a first buffer portion 4211, a second buffer portion 4212 and a first outlet portion 4213, the first buffer portion 4211 and the second buffer portion 4212 are arranged at intervals along the arrangement direction of the at least two nickel sheets 10, the first buffer portion 4211 and the second buffer portion 4212 are respectively arranged at two sides of the first outlet portion 4213, one end of the first buffer portion 4211 away from the first outlet portion 4213 is connected with the main body portion 41, one end of the second buffer portion 4212 away from the first outlet portion 4213 is connected with the main body portion 41, an outlet end of the first outlet portion 4213 is arranged towards the at least two nickel sheets 10, and an outlet end of the first outlet portion 4213 is used for being abutted on the at least two nickel sheets 10. By adopting the structural arrangement, the impact of the welding mechanism on the nickel sheet 10 can be buffered through the arrangement of the first buffer part 4211 and the second buffer part 4212, and meanwhile, the nickel sheet 10 can be further compressed on the premise of not damaging the nickel sheet 10, so that the nickel sheet 10 is uniformly compressed on an aluminum sheet, the damage to the nickel sheet 10 is avoided, and the problems of cold welding and the like caused by incomplete compression of the nickel sheet 10 are avoided, so that the welding efficiency and quality are effectively improved.
Specifically, the plurality of welding nozzles 42 further includes an end welding nozzle 422, the end welding nozzle 422 is located at an end of the plurality of welding nozzles 42, the end welding nozzle 422 includes at least two second outlet portions 4221 and at least two buffer members 4222, the at least two second outlet portions 4221 are disposed in one-to-one correspondence with the at least two nickel sheets 10, and each second outlet portion 4221 is configured to be disposed toward a corresponding nickel sheet 10; at least two buffer members 4222 are provided in one-to-one correspondence with at least two second outlet portions 4221, and each buffer member 4222 is provided between the corresponding second outlet portion 4221 and the main body portion 41. By adopting the structural arrangement, the impact of the buffer welding mechanism on the at least two nickel sheets 10 at the end part can be respectively and independently corresponding through the arrangement of the at least two buffer parts 4222, the buffer effect on the at least two nickel sheets 10 at the end part is further enhanced, meanwhile, the nickel sheets 10 can be further compressed on the premise of not damaging the nickel sheets 10, so that the nickel sheets 10 are uniformly compressed on aluminum sheets, the damage to the nickel sheets 10 is avoided, and the problems of cold welding and the like caused by incomplete compression of the nickel sheets 10 are avoided, so that the welding efficiency and quality are effectively improved.
Specifically, the cushioning force of one cushioning member 4222 of the at least two cushioning members 4222 near the end is less than the cushioning force of one cushioning member 4222 of the at least two cushioning members 4222 away from the end. This is due to the difference in the magnitude of the elastic potential between the one cushioning member 4222 near the end and the one cushioning member 4222 far from the end, and the arrangement is such that the nickel plate 10 near the end is supported with weaker supporting force, so that the impact on the nickel plate 10 near the end can be further reduced, and the damage to the nickel plate 10 near the end can be avoided.
Specifically, the cushioning member 4222 includes first and second cushioning members 42221 and 42222 disposed at intervals, the first and second cushioning members 42221 and 42222 being disposed at intervals along the extending direction of the nickel sheet 10, the first and second cushioning members 42221 and 42222 being located on both sides of the second outlet portion 4221, respectively; the spacing between the first bumper 42221 and the second bumper 42222 of one of the at least two bumper members 4222 proximate the end is greater than the spacing between the first bumper 42221 and the second bumper 42222 of the one of the at least two bumper members 4222 distal the end of the one bumper member 4222. By adopting the structure, one buffer part 4222 close to the end part and one buffer part 4222 far away from the end part in at least two buffer parts 4222 can be conveniently arranged in a staggered mode, so that the buffer parts are mutually avoided, the buffer effect is prevented from being influenced by mutual extrusion collision during buffering, and the buffer protection effect on the nickel sheet 10 is further ensured.
Specifically, the second outlet portion 4221 has a welding passage. The second outlet portion 4221 comprises a main body section 42211 and a support section 42212 which are connected to each other, the main body section 42211 protrudes below the support section 42212, the support section 42212 extends along the extending direction of the nickel sheet 10, the first buffer member 42221 and the second buffer member 42222 are respectively arranged at two ends of the support section 42212 along the extending direction of the nickel sheet 10, and the welding channel penetrates through the main body section 42211 and the support section 42212. By adopting the structural arrangement, the impact on the nickel sheet 10 can be reduced by arranging the support sections 42212 and matching with the interval arrangement of the buffer parts, and meanwhile, the smoothness of a welding channel is ensured.
Specifically, the end welding nozzle 422 further includes a connecting member 4223, at least two buffer members 4222 are connected to the connecting member 4223, an avoidance through hole is formed in the connecting member 4223, and welding channels of at least two second outlet portions 4221 are disposed opposite to the avoidance through hole. By adopting such a structural arrangement, the buffer member 4222 can be stably connected by the connecting member 4223, and the influence of the through hole on welding can be avoided by arranging the avoiding through hole, so that the realization of the welding operation can be ensured.
In the welding device provided by the embodiment of the invention, in the use process, after an operator puts the whole set of integrated busbar assembly into the positioning structure 50, the driving structure 60 of the equipment moves the integrated busbar jig to a position aligned with the welding nozzle 42, the first driving assembly 62 jacks up the jig, nickel sheets arranged on the integrated busbar are contacted with the copper nozzle, and the compression springs in the copper nozzle shrink to play a role of buffering and compressing the nickel sheets, wherein the nickel sheets close to the center of the integrated busbar are in a design of compressing two sheets by using one copper nozzle, and the nickel sheets close to two ends are in a design of independently compressing the copper nozzle, so that 28 nickel sheets are uniformly compressed on an aluminum sheet; the vision detection system of the equipment shoots and positions each nickel sheet, after correcting position data, the vibrating mirror laser welding system sends high-energy laser to weld, then the vision detection system shoots and detects each welding position, and the integrated busbar assembly after welding is moved to a blanking position by the driving structure 60.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: through setting up location structure and supplementary welded structure, realized the synchronous automation of whole integrated busbar and welded to location structure's movable setting is also convenient for realize getting the automatic switching of blowing and welded, thereby has improved welding efficiency, has effectively solved the lower problem of the welding efficiency of the integrated busbar of energy storage product among the prior art.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A welding device, characterized in that the welding device is used for welding a nickel sheet (10) and an aluminum sheet (20), the aluminum sheet (20) is mounted on a piece (30) to be connected, and the nickel sheet (10) is mounted on the aluminum sheet (20);
the welding device includes:
A welding mechanism and an auxiliary welding structure (40), wherein the auxiliary welding structure (40) comprises a main body part (41) and a welding nozzle (42) which are connected with each other, the main body part (41) is fixedly arranged, and the welding part of the welding mechanism is arranged towards the welding nozzle (42);
The positioning structure (50), the piece (30) to be connected is arranged on the positioning structure (50), the positioning part of the positioning structure (50) is used for being matched with the aluminum sheet (20) and/or the piece (30) to be connected in a positioning way, and the positioning structure (50) is movably arranged;
Wherein the positioning structure (50) has a welding position and a separation position; when the positioning structure (50) is positioned at the welding position, the positioning structure drives the aluminum sheet (20) and/or the nickel sheet (10) to move to a position abutting against the welding nozzle (42), and welding operation is carried out through a welding part of the welding mechanism; when the positioning structure (50) is at the separation position, the positioning structure (50) drives the aluminum sheet (20) and/or the nickel sheet (10) to move to a position separated from the welding nozzle (42);
A plurality of aluminum sheets (20) are arranged on the to-be-connected piece (30), the plurality of aluminum sheets (20) are arranged on the to-be-connected piece (30) at intervals, and each aluminum sheet (20) is provided with a nickel sheet (10); the number of the welding nozzles (42) is multiple, the welding nozzles (42) are arranged in one-to-one correspondence with the aluminum sheets (20), and each welding nozzle (42) is arranged opposite to the corresponding aluminum sheet (20);
at least two nickel sheets (10) are arranged on each aluminum sheet (20); a plurality of the welding tips (42) includes:
An end welding nozzle (422), wherein the end welding nozzle (422) is positioned at the end parts of a plurality of welding nozzles (42), the end welding nozzle (422) comprises at least two second outlet parts (4221) and at least two buffer parts (4222), the at least two second outlet parts (4221) are arranged in one-to-one correspondence with the at least two nickel sheets (10), and each second outlet part (4221) is used for being arranged towards the corresponding nickel sheet (10); the at least two buffer members (4222) are arranged in one-to-one correspondence with the at least two second outlet portions (4221), and each buffer member (4222) is arranged between the corresponding second outlet portion (4221) and the main body portion (41);
Wherein the cushioning force of one of the at least two cushioning members (4222) near the end is less than the cushioning force of one of the at least two cushioning members (4222) away from the end (4222).
2. The welding device of claim 1, wherein the welding device further comprises:
and the driving structure (60) is in driving connection with the positioning structure (50) so as to drive the positioning structure (50) to move to the welding position or the separating position.
3. Welding device according to claim 2, characterized in that the positioning structure (50) is arranged below the auxiliary welding structure (40); the driving structure (60) comprises a driving support piece (61), the driving support piece (61) is movably arranged, the positioning structure (50) is supported on the driving support piece (61), a first positioning part (51) is arranged on the positioning structure (50), and a second positioning part (611) matched with the first positioning part (51) is arranged on the driving support piece (61) so as to position the positioning structure (50) through the matching of the first positioning part (51) and the second positioning part (611).
4. A welding device according to claim 3, wherein the drive structure (60) further comprises:
a first drive assembly (62), wherein a drive part of the first drive assembly (62) is arranged in a lifting manner, and the drive part of the first drive assembly (62) is in drive connection with the drive support (61);
The driving part of the second driving assembly (63) is movably arranged along the horizontal direction, and the driving part of the second driving assembly (63) is in driving connection with the first driving assembly (62), so that the second driving assembly (63) drives the positioning structure (50) to move to a position opposite to the auxiliary welding structure (40) or to a position staggered from the auxiliary welding structure (40) through the first driving assembly (62).
5. The welding device of claim 4, further comprising:
The driving device comprises a first mounting seat (71), a driving part of a second driving assembly (63) is in driving connection with the first mounting seat (71), a first driving assembly (62) is mounted on the first mounting seat (71), a first guiding structure (711) is arranged on the first mounting seat (71), a second guiding structure (612) matched with the first guiding structure (711) is arranged on a driving support (61), and at least one of the first guiding structure (711) and the second guiding structure (612) extends along the lifting direction of the driving part of the first driving assembly (62);
The second driving assembly (63) is installed on the second installation seat (72), a third guiding structure (712) is arranged on the first installation seat (71), a fourth guiding structure (721) matched with the third guiding structure (712) is arranged on the second installation seat (72), and at least one of the third guiding structure (712) and the fourth guiding structure (721) extends along the moving direction of the driving part of the second driving assembly (63).
6. Welding device according to claim 1, characterized in that the main body part (41) is provided with a communication hole (411), the welding tip (42) being provided at the communication hole (411) or opposite to the communication hole (411); the welding device further includes:
the visual detection structure is arranged towards the communication hole (411), and the visual detection structure and the welding mechanism are connected with the control mechanism;
wherein, before the welding mechanism welds, when the positioning structure (50) is at the welding position, the vision detection structure is used for detecting the position of the nickel sheet (10), and the control mechanism adjusts the welding position of the welding part according to the condition detected by the vision detection structure; after the welding mechanism finishes welding, when the positioning structure (50) is positioned at the welding position, the visual detection structure is used for detecting the welding condition of the nickel sheet (10), and the control mechanism performs repair welding operation on the welding mechanism or enables the positioning structure (50) to move from the welding position to the separation position according to the welding condition detected by the visual detection structure.
7. Welding device according to claim 1, characterized in that each of said aluminium sheets (20) is fitted with at least two of said nickel sheets (10); a plurality of the welding tips (42) includes:
The middle welding nozzle (421), middle welding nozzle (421) are located a plurality of middle parts of welding nozzle (42), middle welding nozzle (421) include first buffer portion (4211), second buffer portion (4212) and first play mouth (4213), first buffer portion (4211) with second buffer portion (4212) are along at least two nickel piece (10) the direction interval sets up of arranging, first buffer portion (4211) with second buffer portion (4212) set up respectively in the both sides of first play mouth (4213), the one end that first buffer portion (4211) kept away from first play mouth (4213) with main part (41) are connected, the one end that second buffer portion (4212) kept away from first play mouth (4213) with main part (41) are connected, the play mouth end of first play mouth (4213) is towards two at least nickel piece (10) sets up, first play mouth (4213) are used for two play mouths at least on the nickel piece (10).
8. The welding device according to claim 1, wherein the buffer member (4222) comprises a first buffer member (42221) and a second buffer member (42222) which are arranged at intervals, the first buffer member (42221) and the second buffer member (42222) being arranged at intervals along the extending direction of the nickel sheet (10), the first buffer member (42221) and the second buffer member (42222) being located on both sides of the second outlet portion (4221), respectively; the second outlet portion (4221) has a welding channel;
Wherein a spacing between a first bumper (42221) and the second bumper (42222) of one of the at least two bumper members (4222) near an end is greater than a spacing between a first bumper (42221) and the second bumper (42222) of one of the at least two bumper members (4222) away from the end; and/or the number of the groups of groups,
The second outlet part (4221) comprises a main body section (42211) and a supporting section (42212) which are connected with each other, the main body section (42211) protrudes below the supporting section (42212), the supporting section (42212) extends along the extending direction of the nickel sheet (10), the first buffer part (42221) and the second buffer part (42222) are respectively arranged at two ends of the supporting section (42212) along the extending direction of the nickel sheet (10), and the welding channel penetrates through the main body section (42211) and the supporting section (42212); and/or the number of the groups of groups,
The end welding nozzle (422) further comprises a connecting piece (4223), at least two buffering parts (4222) are connected with the connecting piece (4223), an avoidance through hole is formed in the connecting piece (4223), and the welding channels of the at least two second outlet parts (4221) are opposite to the avoidance through hole.
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CN219945126U (en) * | 2023-06-16 | 2023-11-03 | 因湃电池科技有限公司 | Welding copper mouth mechanism and battery assembly equipment |
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KR100890715B1 (en) * | 2000-11-01 | 2009-03-27 | 소니 가부시끼 가이샤 | Cell, cell production method, welded article production method and pedestal |
KR102599068B1 (en) * | 2021-08-04 | 2023-11-07 | 주식회사 세종이브이 | Welding device of metal bipolar plate |
CN113560728B (en) * | 2021-09-01 | 2024-08-27 | 桃子机器人(深圳)有限公司 | Automatic welding machine for aluminum sheet nickel sheet tab |
CN216607624U (en) * | 2021-11-23 | 2022-05-27 | 速博达(深圳)自动化有限公司 | Welding nozzle, welding fixture and welding machine table |
CN217412962U (en) * | 2022-04-01 | 2022-09-13 | 无锡先导智能装备股份有限公司 | Positioning mechanism and welding positioning device |
CN115255734A (en) * | 2022-08-20 | 2022-11-01 | 李芳芳 | Be used for lithium cell group welded automatic spot welder |
CN218612589U (en) * | 2022-11-23 | 2023-03-14 | 江苏派能能源科技有限公司 | Novel utmost point post aluminium bar welding copper nozzle hold-down mechanism |
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CN208513969U (en) * | 2018-07-27 | 2019-02-19 | 宁德时代新能源科技股份有限公司 | Apparatus for welding and positioning |
CN219945126U (en) * | 2023-06-16 | 2023-11-03 | 因湃电池科技有限公司 | Welding copper mouth mechanism and battery assembly equipment |
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