CN216780715U - Tool for batch welding of single batteries - Google Patents
Tool for batch welding of single batteries Download PDFInfo
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- CN216780715U CN216780715U CN202123260721.0U CN202123260721U CN216780715U CN 216780715 U CN216780715 U CN 216780715U CN 202123260721 U CN202123260721 U CN 202123260721U CN 216780715 U CN216780715 U CN 216780715U
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- confluence
- single batteries
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- bus bar
- limiting
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 238000005192 partition Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a tool for batch welding of single batteries, which comprises a placing platform and a confluence sheet limiting plate, wherein a plurality of confluence sheet limiting holes are formed in the confluence sheet limiting plate, and a plurality of single batteries are fixed on the placing platform side by side with the polar columns upward to form a combined battery core; the confluence piece limiting plate is placed at the top of the combined battery core, the confluence pieces are placed on the surfaces of the confluence piece limiting plates, the confluence piece limiting holes correspond to the positions of the poles, the poles are exposed through the confluence piece limiting holes, the confluence pieces are welded with the poles, and the series connection or the parallel connection of the single batteries is realized. The tool provided by the utility model is mainly used for batch welding of single batteries, the main body of the tool comprises the placing platform and the confluence piece limiting plate which are used in a matched mode, the single batteries can be welded in batches through the matching of the placing platform and the confluence piece limiting plate, the welding efficiency is high, and the yield is high.
Description
Technical Field
The utility model belongs to the technical field of battery module welding, and relates to a tool for batch welding of single batteries.
Background
With the rapid development of new energy technology, the demand of batteries is increasing, and the batteries are used as main energy storage components of vehicles or equipment, so that the energy density is high, the safety requirement is high, and the requirement on the manufacturing quality is high. The power battery module is used as a core component of the electric automobile, and the stability and reliability of the structure of the power battery module directly influence the performance and the service life of the whole battery system.
At present, the manufacturing of the battery module is that the single batteries of a certain quantity are often fixedly placed in the battery box according to a certain arrangement sequence, then the confluence piece is placed at the upper end of the single batteries in a positioning mode, and the confluence piece is welded with the pole columns of the single batteries through laser welding, so that the series-parallel connection of a plurality of single batteries is realized, after the wiring is led out, the battery box cover plate is fixedly connected to the upper opening of the battery box, and the sealing of the battery box is realized.
In the manufacturing process, one more critical process is welding connection of the confluence sheet and the pole. At present when realizing the welding of converging piece and utmost point post, often be after the utmost point post is placed to the converging piece, compress tightly supplementary welding set through the location of one set of system and compress tightly the converging piece location on utmost point post, then weld.
CN209503357U discloses a quick welding frock of square electric core, be equipped with positive/negative pole post on the square electric core, weld the double-screw bolt on the positive/negative pole post, the double-screw bolt includes pole piece and the screw rod of setting on the pole piece, including clamp plate and the bottom plate of placing square electric core upper and lower place respectively in, be equipped with two backup pads between clamp plate and the bottom plate, the both ends of clamp plate and bottom plate are arranged in to the backup pad, it has N to be listed as the draw-in groove of card electricity core to put along the length direction equipartition on the bottom plate, be provided with N2 echelonment positioning weld hole that is used for back-off to compress tightly double-screw bolt and positive/negative pole post on the clamp plate, positioning weld hole includes locating hole and welding hole, the locating hole sets up in the below of welding hole, the shape in locating hole and welding hole is unanimous with positive/negative pole post.
CN215034328U discloses a battery module welding compresses tightly frock, includes: the device comprises a pressing plate, a positioning accommodating groove arranged on the pressing plate, a welding hole and a positioning structure; the pressing plate is placed at the opening of the battery box and on the upper side of the single battery; the positioning accommodating groove is arranged on the lower side plate surface of the pressing plate and used for accommodating and placing the confluence plate and positioning the confluence plate through the groove wall; the welding hole is formed in the bottom of the positioning accommodating groove, corresponds to the pole of the single battery and penetrates through the pressing plate; the positioning structure is arranged at the edge position of the pressing plate, and the horizontal positioning of the pressing plate and the battery box is realized through the positioning matching of the connecting flanging at the opening of the battery box.
CN113210975A discloses a lithium battery module welding tool, which comprises a base plate, wherein a bottom positioning structure is arranged on the base plate; a top positioning plate is arranged above the base, and a top positioning groove matched with the shape of the top of the group of lithium batteries is arranged on the bottom surface of the top positioning plate; the top positioning plate is provided with a conductive bar placing groove which is communicated up and down, the top positioning plate is provided with a conductive bar positioning structure, and the conductive bar positioning structure is used for positioning the conductive bars so that the conductive bars and the poles of the grouped lithium batteries are arranged in a vertically opposite mode; the welding tool further comprises a conductive bar pressing plate assembly and a pressing structure, wherein the conductive bar pressing plate assembly comprises a conductive bar pressing block which is positioned at the bottom and used for pressing the conductive bar, a welding channel which corresponds to each pole column and the conductive bar positioning groove up and down in use is arranged on the conductive bar pressing plate assembly, and a laser or laser welding head penetrates through the welding channel; the pressing structure is used for pressing the conducting bar pressing plate component on the conducting bar.
The structure of the auxiliary welding tool for positioning and pressing at present is complex, the number of matched parts is large, the structure of the pressing part is different for different battery modules, and the use cost is high. Particularly, it is not practical in the case of producing battery modules of different specifications in small quantities.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a tool for batch welding of single batteries, the tool provided by the utility model is mainly used for batch welding of the single batteries, the main body of the tool comprises a placing platform and a confluence piece limiting plate which are matched for use, the placing platform is mainly used for positioning each single battery to prevent the single batteries from moving in the welding process, a confluence piece limiting plate is provided with a confluence piece limiting hole, the confluence piece limiting hole is similar to the shape of a pole, the pole can be limited, the confluence piece can be limited through the confluence piece limiting plate, the single batteries can be welded in batches through matching of the placing platform and the confluence piece limiting plate, the welding efficiency is high, and the yield is high.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a tool for batch welding of single batteries, which comprises a placing platform and a confluence sheet limiting plate, wherein a plurality of confluence sheet limiting holes are formed in the confluence sheet limiting plate, and a plurality of single batteries are fixed on the placing platform side by side with the polar columns upward to form a combined battery core; the confluence piece limiting plate is placed at the top of the combined battery core, the confluence pieces are placed on the surfaces of the confluence piece limiting plates, the confluence piece limiting holes correspond to the positions of the poles, the poles are exposed through the confluence piece limiting holes, the confluence pieces are welded with the poles, and the series connection or the parallel connection of the single batteries is realized.
The tool provided by the utility model is mainly used for welding single batteries in batches, the main body of the tool comprises a placing platform and a confluence piece limiting plate which are matched for use, the placing platform is mainly used for positioning each single battery and preventing the single batteries from moving in the welding process, a confluence piece limiting plate is provided with a confluence piece limiting hole, the confluence piece limiting hole is similar to the shape of a pole, the pole can be limited, the confluence piece is limited through the confluence piece limiting plate, the single batteries can be welded in batches through the matching of the placing platform and the confluence piece limiting plate, the welding efficiency is high, and the yield is high.
As a preferred technical scheme of the present invention, two terminal posts are disposed at one end of each of the single batteries, the single batteries are arranged in an equidistant and aligned manner to form a combined battery cell, and two rows of terminal posts are formed at one end of the combined battery cell.
As a preferable technical scheme, the surface of the bus bar limiting plate is provided with a groove matched with the shape of the bus bar, and the bus bar is placed in the groove.
According to the utility model, the groove is formed in the surface of the bus bar limiting plate, and the bus bar is embedded into the groove, so that the limiting function of the bus bar is realized.
Two rows of confluence sheet limiting holes are formed in the confluence sheet limiting plate, and each row of confluence sheet limiting hole corresponds to one row of pole.
As a preferred technical scheme of the utility model, the tool further comprises a confluence plate supporting plate matched with the confluence plate limiting plate for use, wherein strip-shaped through grooves communicated with the confluence plate limiting holes are formed in two sides of the confluence plate limiting plate, and the confluence plate supporting plate is inserted into the confluence plate limiting plate through the strip-shaped through grooves and supports the confluence plates, so that the distance between the pole and the confluence plates is fixed.
According to the utility model, the bus bar piece supporting plate is designed on the basis of the bus bar piece limiting plate, the bus bar piece supporting plate needs to be matched with the bus bar piece limiting plate for use, the groove formed in the bus bar piece limiting plate limits the position change of the bus bar piece in the horizontal direction, the bus bar piece supporting plate is mainly used for limiting the position change of the bus bar piece in the vertical direction, the bus bar piece supporting plate is inserted into the bus bar piece limiting plate through the through groove, the bus bar piece is supported from the lower part of the bus bar piece, the relative position of the polar pole and the bus bar piece in the vertical direction is fixed, the relative position between the polar pole and the bus bar piece is stable, and the improvement of welding firmness is facilitated.
As a preferred technical solution of the present invention, the bus bar supporting plate includes a main rod and a plurality of limiting pieces disposed on the main rod, the limiting pieces correspond to a row of poles, and the limiting pieces extend into the bus bar limiting holes from the through grooves and are inserted into the lower portions of the bus bars, so as to support the bus bars.
As a preferred technical scheme of the present invention, the two terminals at one end of the single battery are respectively a positive terminal and a negative terminal.
As a preferred technical solution of the present invention, two rows of terminal posts formed at one end of the combined electrical core are respectively a positive terminal post and a negative terminal post, the positive terminal posts arranged in a row are sequentially welded by a positive bus bar, and the negative terminal posts arranged in a row are sequentially welded by a negative bus bar, so as to implement parallel connection of the single batteries.
As a preferred technical scheme of the present invention, in two rows of poles formed at one end of the combined electrical core, the positive poles and the negative poles are alternately distributed, and the positive poles and the negative poles of adjacent single batteries are welded to realize the series connection of the single batteries.
As a preferred technical solution of the present invention, the placing platform includes a welding bottom plate and battery cell separators disposed on the welding bottom plate, the battery cell separators are equidistantly distributed on the placing platform, and the single battery is fixed between two adjacent battery cell separators.
As a preferable technical solution of the present invention, the shape of the bus bar limiting hole is the same as the shape of the outer contour of the pole.
Compared with the prior art, the utility model has the beneficial effects that:
the tool provided by the utility model is mainly used for welding single batteries in batches, the main body of the tool comprises a placing platform and a confluence piece limiting plate which are matched for use, the placing platform is mainly used for positioning each single battery and preventing the single batteries from moving in the welding process, a confluence piece limiting plate is provided with a confluence piece limiting hole, the confluence piece limiting hole is similar to the shape of a pole, the pole can be limited, the confluence piece is limited through the confluence piece limiting plate, the single batteries can be welded in batches through the matching of the placing platform and the confluence piece limiting plate, the welding efficiency is high, and the yield is high.
Drawings
Fig. 1 is a schematic structural diagram of a tool for batch welding of individual battery cells according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a tool for batch welding of individual battery cells according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a tool for batch welding of individual battery cells according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a tool for batch welding of individual battery cells according to an embodiment of the present invention.
Wherein, 1-a placement platform; 2-cell partition board; 3-a single cell; 4-a busbar pallet; 5-a confluence sheet limit plate; 6-confluence piece; 7-through grooves; 8-bus bar limiting hole.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
In a specific embodiment, the utility model provides a tool for batch welding of single batteries 3, which is shown in fig. 1, fig. 2, fig. 3 and fig. 4, and includes a placement platform 1 and a bus bar limiting plate 5, wherein the bus bar limiting plate 5 is provided with a plurality of bus bar limiting holes 8, and a plurality of single batteries 3 are fixed on the placement platform 1 side by side with their poles facing upward to form a combined battery cell; the bus-bar sheet limiting plate 5 is placed at the top of the combined battery core (as shown in fig. 3), the bus-bar sheet 6 is placed on the surface of the bus-bar sheet limiting plate 5, the bus-bar sheet limiting hole 8 corresponds to the position of the pole, the pole is exposed through the bus-bar sheet limiting hole 8, the bus-bar sheet 6 is welded with each pole, and the series connection or the parallel connection of the single batteries 3 is realized.
The tool provided by the utility model is mainly used for batch welding of single batteries 3, the main body of the tool comprises a placement platform 1 and a confluence piece limiting plate 5 which are used in a matched mode, the placement platform 1 is mainly used for positioning each single battery 3 and preventing the single batteries 3 from moving in the welding process, a confluence piece limiting hole 8 is formed in the confluence piece limiting plate 5, the confluence piece limiting hole 8 is similar to the shape of a pole, the pole can be limited, the confluence piece limiting plate 5 is used for limiting the confluence piece 6, the single batteries 3 can be welded in batches through the matching of the placement platform 1 and the confluence piece limiting plate 5, the welding efficiency is high, and the yield is high.
Further, one end of the single battery 3 is provided with two poles, the single batteries 3 are arranged in an equidistant and aligned manner to form a combined battery cell, and one end of the combined battery cell forms two rows of poles.
Furthermore, a groove matched with the shape of the bus bar 6 is formed in the surface of the bus bar limiting plate 5, and the bus bar 6 is placed in the groove.
In the utility model, the surface of the confluence sheet limiting plate 5 is provided with the groove, and the confluence sheet 6 is embedded into the groove, so that the limiting function of the confluence sheet 6 is realized.
Two rows of busbar limiting holes 8 are formed in the busbar limiting plate 5, and each row of busbar limiting holes 8 corresponds to one row of polar columns.
Further, the tool further comprises a confluence sheet supporting plate 4 matched with the confluence sheet limiting plate 5 for use, strip-shaped through grooves 7 (shown in fig. 4) communicated with the confluence sheet limiting holes 8 are formed in two sides of the confluence sheet limiting plate 5, and the confluence sheet supporting plate 4 is inserted into the confluence sheet limiting plate 5 through the strip-shaped through grooves 7 and supports the confluence sheets 6 (shown in fig. 2), so that the distance between each fixed pole and the confluence sheet 6 is shortened.
According to the utility model, the bus bar piece supporting plate 4 is designed on the basis of the bus bar piece limiting plate 5, the bus bar piece supporting plate 4 needs to be matched with the bus bar piece limiting plate 5 for use, the groove formed in the bus bar piece limiting plate 5 limits the position change of the bus bar piece 6 in the horizontal direction, the bus bar piece supporting plate 4 is mainly used for limiting the position change of the bus bar piece 6 in the vertical direction, the bus bar piece supporting plate 4 is inserted into the bus bar piece limiting plate 5 through the through groove 7, the bus bar piece 6 is supported from the lower side of the bus bar piece 6, and the relative position of the pole and the bus bar piece 6 in the vertical direction is fixed, so that the relative position between the pole and the bus bar piece 6 is stable, and the welding firmness is improved.
Further, the confluence piece supporting plate 4 comprises a main rod and a plurality of limiting pieces arranged on the main rod, the limiting pieces correspond to one row of polar columns, and the limiting pieces extend into the limiting holes 8 of the confluence pieces through the through grooves 7 and are inserted into the lower portions of the confluence pieces 6, so that the confluence pieces 6 are supported.
Further, the two poles at one end of the single battery 3 are respectively a positive pole and a negative pole.
Further, among two rows of terminal posts formed at one end of the combined battery core, one row is a positive terminal post, the other row is a negative terminal post, the positive terminal posts arranged in rows are sequentially welded through the positive bus sheet 6, and the negative terminal posts arranged in rows are sequentially welded through the negative bus sheet 6, so that the parallel connection of the single batteries 3 is realized.
Furthermore, in the two rows of poles formed at one end of the combined battery cell, the positive poles and the negative poles are alternately distributed, and the positive poles and the negative poles of the adjacent single batteries 3 are welded to realize the series connection of the single batteries 3.
Further, the placing platform 1 includes a welding bottom plate and battery cell partition plates 2 disposed on the welding bottom plate, the battery cell partition plates 2 are equidistantly distributed on the placing platform 1, and the battery cells 3 are fixed between two adjacent battery cell partition plates 2 (as shown in fig. 1).
Further, the shape of the confluence plate limiting hole 8 is the same as the shape of the outline of the pole.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein fall within the scope and disclosure of the present invention.
Claims (10)
1. The tool for batch welding of the single batteries is characterized by comprising a placing platform and a confluence sheet limiting plate, wherein a plurality of confluence sheet limiting holes are formed in the confluence sheet limiting plate, and a plurality of single batteries are fixed on the placing platform side by side with the pole columns upward to form a combined battery core; the confluence piece limiting plate is placed at the top of the combined battery core, the confluence pieces are placed on the surfaces of the confluence piece limiting plates, the confluence piece limiting holes correspond to the positions of the poles, the poles are exposed through the confluence piece limiting holes, the confluence pieces are welded with the poles, and the series connection or the parallel connection of the single batteries is realized.
2. The tool for batch welding of single batteries according to claim 1, wherein two poles are arranged at one end of each single battery, the single batteries are arranged in an equidistant and aligned manner to form a combined battery cell, and two rows of poles are formed at one end of the combined battery cell.
3. The tool for batch welding of the single batteries according to claim 2, wherein a groove matched with the shape of the bus bar is formed in the surface of the bus bar limiting plate, and the bus bar is placed in the groove;
two rows of confluence sheet limiting holes are formed in the confluence sheet limiting plate, and each row of confluence sheet limiting hole corresponds to one row of pole.
4. The tool for batch welding of single batteries according to claim 1, further comprising a bus bar support plate used in cooperation with the bus bar limiting plate, wherein strip-shaped through grooves communicated with the bus bar limiting holes are formed in two sides of the bus bar limiting plate, and the bus bar support plate is inserted into the bus bar limiting plate through the strip-shaped through grooves and supports the bus bar, so that the distance between the pole and the bus bar is fixed.
5. The tooling for batch welding of single batteries according to claim 4, wherein the bus bar supporting plate comprises a main rod and a plurality of limiting pieces arranged on the main rod, the limiting pieces correspond to a row of poles, and the limiting pieces extend into the bus bar limiting holes through the through grooves and are inserted into the lower parts of the bus bars, so as to support the bus bars.
6. The tool for batch welding of single batteries according to claim 1, wherein the two poles at one end of each single battery are respectively a positive pole and a negative pole.
7. The tool for batch welding of single batteries according to claim 6, wherein one of the two rows of poles formed at one end of the combined battery core is a positive pole, the other row is a negative pole, the positive poles arranged in rows are sequentially welded through a positive bus sheet, the negative poles arranged in rows are sequentially welded through a negative bus sheet, and the parallel connection of the single batteries is realized.
8. The tool for batch welding of the single batteries according to claim 6, wherein the positive poles and the negative poles are alternately distributed in two rows of poles formed at one end of the combined battery core, and the positive poles and the negative poles of adjacent single batteries are welded to realize series connection of the single batteries.
9. The tool for batch welding of single batteries according to claim 1, wherein the placing platform comprises a welding bottom plate and battery cell partition plates arranged on the welding bottom plate, the battery cell partition plates are equidistantly distributed on the placing platform, and the single batteries are fixed between two adjacent battery cell partition plates.
10. The tooling for batch welding of the single batteries according to claim 1, wherein the shape of the limiting hole of the bus bar is the same as the shape of the outer contour of the pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260721.0U CN216780715U (en) | 2021-12-23 | 2021-12-23 | Tool for batch welding of single batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260721.0U CN216780715U (en) | 2021-12-23 | 2021-12-23 | Tool for batch welding of single batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216780715U true CN216780715U (en) | 2022-06-21 |
Family
ID=82008326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123260721.0U Active CN216780715U (en) | 2021-12-23 | 2021-12-23 | Tool for batch welding of single batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216780715U (en) |
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2021
- 2021-12-23 CN CN202123260721.0U patent/CN216780715U/en active Active
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Address after: 325000 room A205, building C, 205 Binhai 6th Road, Jinhai 2nd Road, Airport New District, Longwan District, Wenzhou City, Zhejiang Province Patentee after: REPT BATTERO Energy Co., Ltd. Patentee after: SHANGHAI RUIPU ENERGY Co.,Ltd. Address before: 325000 room A205, building C, 205 Binhai 6th Road, Jinhai 2nd Road, Airport New District, Longwan District, Wenzhou City, Zhejiang Province Patentee before: RUIPU ENERGY Co.,Ltd. Patentee before: SHANGHAI RUIPU ENERGY Co.,Ltd. |