CN217522079U - Battery module aluminium bar welding frock - Google Patents
Battery module aluminium bar welding frock Download PDFInfo
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- CN217522079U CN217522079U CN202221062307.0U CN202221062307U CN217522079U CN 217522079 U CN217522079 U CN 217522079U CN 202221062307 U CN202221062307 U CN 202221062307U CN 217522079 U CN217522079 U CN 217522079U
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Abstract
The utility model provides a battery module aluminium bar welding frock, including the battery module, the battery module is arranged along its length direction has a plurality of electric cores, be provided with between two adjacent electric cores and be used for carrying out welded aluminium bar to electric core utmost point post, still include the frock tool, the frock tool includes frock board and limiting plate, frock board demountable installation is at battery module top surface, set up a plurality of mounting holes that correspond with aluminium bar position on the frock board, the mounting hole link up the frock board, the mounting groove has been seted up to the mounting hole top surface, the limiting plate level sets up in the mounting groove, be provided with the spacing hole that is used for cup jointing aluminium bar on the limiting plate, mounting groove and limiting plate clearance fit, the limiting plate can drive aluminium bar for frock board horizontal migration in the mounting hole, so that aluminium bar welding hole aligns with electric core utmost point post hole. The utility model discloses a frock tool can adjust the counterpoint precision in aluminium ba welding hole and electric core post hole to compensate the busbar and the electric core post welding skew problem that leads to because of clearance error between the electric core.
Description
Technical Field
The utility model relates to a battery processing technology field especially relates to a battery module aluminium bar welding frock.
Background
The battery module shaping needs to be in the same place aluminium bar (busbar) and square electric core welding through the laser welding mode, and the laser welding of square electric core utmost point post and aluminium bar (busbar) is the fashioned key process of battery module. In present battery module and pack design process, require highly integrated and spare part to subtract heavy, require module and pack design lightweight. In the conventional module design process, the busbar, the electrical isolation plate, the sampling line or the FPC are designed in an assembly integrated mode, so that more parts and limited space are required above the battery cell pole. In addition, a square battery module is formed by a plurality of square electric core permutation and combination, very much to super long module, can lead to the inhomogeneous inconsistent of interval between electric core and the electric core, and integrated form design can lead to the busbar welding to connect the inaccurate problem in hole and utmost point post hole counterpoint, causes the assembly deviation to lead to the busbar welding skew or unusual in manufacturing process.
If only one positive/negative electrode of one battery cell in one module has insufficient solder or solder void, the whole module is scrapped; if the welding defective products flow into the client, safety accidents can be caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a battery module aluminium bar welding frock solves the integrated form busbar and electric core utmost point post welding process who exists among the prior art, appears skew, rosin joint problem easily.
The technical scheme of the utility model is realized like this:
the utility model provides a battery module aluminum bar welding tool, which comprises a battery module, wherein the battery module is arranged with a plurality of electric cores along the length direction, an aluminum bar for welding the polar columns of the electric cores is arranged between two adjacent electric cores, the tool also comprises a tool for positioning a plurality of aluminum bars, the tool jig comprises a tool plate and a limiting plate, the tool plate is horizontally and detachably arranged on the top surface of the battery module, a plurality of mounting holes corresponding to the aluminum bars are formed in the tool plate, the mounting hole penetrates through the tooling plate, a mounting groove is formed in the top surface of the mounting hole, the limiting plate is horizontally arranged in the mounting groove, a limiting hole for sleeving the aluminum bar is formed in the limiting plate, mounting groove and limiting plate clearance fit, the limiting plate can drive aluminium bar for frock board horizontal migration in the mounting hole to make aluminium bar welding hole counterpoint with electric core utmost point post hole.
On the basis of the technical scheme, preferably, at least one first magnetic piece is fixedly arranged on the inner top surface of the periphery of the mounting groove, and a second magnetic piece which is adsorbed to the first magnetic piece is fixedly arranged on the bottom surface of the limiting plate.
Further, preferably, the length of the second magnetic member is smaller than the length of the first magnetic member.
On the basis of the above technical solution, preferably, the opening area of the mounting hole is larger than the area of the aluminum bar.
Further, preferably, the depth of the mounting hole is not greater than the height of the cell pole.
Furthermore, preferably, the horizontal clearance between the limiting plate and the mounting groove is 5-10 mm, and the horizontal clearance between the limiting hole and the aluminum bar is 0-0.2 mm.
On the basis of the above technical scheme, preferably, the top surface of the mounting groove is fixedly provided with a limiting member for limiting the limiting plate to be disengaged from the mounting groove.
Further, preferably, the two ends of the tooling plate are respectively provided with a positioning pin for connecting with an end plate at the end part of the battery module.
The utility model discloses following beneficial effect has for prior art:
(1) the utility model discloses a battery module aluminium bar welding frock, through can dismantling the setting tool plate at battery module top surface level, and set up the mounting hole that corresponds with the aluminium bar on the tool plate, when carrying out aluminium bar and electric core utmost point post welding position, establish the mounting hole cover of tool plate on the aluminium bar, make the aluminium bar cover establish in the spacing hole of limiting plate simultaneously, set up in the mounting groove of tool plate through the limiting plate level, can play and carry out horizontal fixed to the aluminium bar, through making the limiting plate horizontal migration in the mounting groove, can drive the aluminium bar in XY direction translation, and then adjust the counterpoint precision of aluminium bar welding hole and electric core utmost point post hole, thereby compensate busbar and electric core utmost point post welding skew problem that leads to because of clearance error between the electric core;
(2) the first magnetic piece is fixedly arranged on the inner top surface of the periphery of the mounting groove, the second magnetic piece adsorbed with the second magnetic piece is arranged on the bottom surface of the limiting plate, and the limiting plate can be quickly and conveniently positioned in the alignment process of the aluminum bar welding hole and the electric core pole hole by the magnetic attraction principle, so that the cost is low and the applicability is strong;
(3) by arranging the limiting piece, the limiting piece can be prevented from being separated from the mounting groove on the tooling plate, so that the whole tooling jig can form an independent assembly, the loss of parts is avoided, and the battery modules with the same model can be flexibly shared;
(4) be provided with the locating pin that is used for being connected with the end plate of battery module tip through frock board both ends respectively, make things convenient for the nimble installation of dismantling on battery module of whole frock tool.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a three-dimensional assembly structure of a tooling fixture and a battery module disclosed by the utility model;
fig. 2 is an exploded view of the tooling fixture and the battery module according to the present invention;
fig. 3 is a schematic structural view of the tooling jig disclosed by the present invention;
fig. 4 is a schematic view of a planar assembly structure of a tooling fixture and a battery module according to the present invention;
the attached drawings are as follows:
1. a battery module; 2. an electric core; 21. a pole column; 3. aluminum bars; 4. tooling a fixture; 41. assembling a plate; 42. a limiting plate; 411. mounting holes; 412. mounting grooves; 421. a limiting hole; 43. a first magnetic member; 44. a second magnetic member; 45. a limiting member; 46. positioning pins; 11. and an end plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, combine fig. 2-4, the embodiment of the utility model discloses a battery module aluminium bar welding frock, including battery module 1, battery module 1 has a plurality of electric cores 2 along its length direction range, is provided with between two adjacent electric cores 2 to be used for carrying out welded aluminium bar 3 to utmost point post 21 on electric core 2, and for traditional integrated form busbar structure, this embodiment sets up aluminium bar 3 through two liang of electric cores 2 between, realizes aluminium bar 3 and the utmost point post 21 welding on electric core 2, can significantly reduce the inhomogeneous error that brings of interval between electric core 2 and the electric core 2.
Because independent aluminium bar 3 is when implementing the welding between electric core 2 and electric core 2, is the level and places 2 utmost point post 21 top surfaces in two electric cores, and because aluminium bar 3 belongs to thin slice metal stamping workpiece, area of contact is less when 2 utmost point post 21 of electric core and aluminium bar 3 weld, needs the manual work to counterpoint aluminium bar 3 welding hole and 2 utmost point post holes of electric core, at the in-process of counterpointing, can have artifical counterpoint error problem, causes aluminium bar 3 welding hole and 2 utmost point post holes of electric core to counterpoint the deviation.
Therefore, the present embodiment discloses a tooling fixture 4 for positioning a plurality of aluminum bars 3 on a battery module 1, and specifically, the tooling fixture 4 of the present embodiment includes a tooling plate 41 and a limiting plate 42. The tooling plate 41 has a rectangular plate-like structure, and the length thereof corresponds to the length of the battery module 1. Tool plate 41 can level demountable installation at battery module 1's top surface when using, set up a plurality of mounting holes 411 that correspond with aluminium bar 3 position on the tool plate 41, this mounting hole 411 link up tool plate 41, the aperture of mounting hole 411 is greater than the utmost point post 21 sum on two electric cores 2, the aperture of mounting hole 411 is greater than 3 areas of aluminium bar with two electric cores 2 utmost point posts 21 looks welded simultaneously, from this one, in carrying out aluminium bar 3 welding process, at first place between two electric cores 2 utmost point posts 21 with aluminium bar 3 level, again with tool plate 41 horizontal installation at battery module 1 top surface, at this moment, aluminium bar 3 and battery utmost point post 21 pass mounting hole 411 respectively.
In order to realize fixing a position aluminium bar 3, this embodiment is located mounting hole 411 at frock board 41 top surface and has seted up mounting groove 412, limiting plate 42 level sets up in mounting groove 412, be provided with the spacing hole 421 that is used for cup jointing aluminium bar 3 on the limiting plate 42, from this, after aluminium bar 3 passed mounting hole 411, can peg graft in spacing hole 421, limiting plate 42 can carry out horizontal restraint to aluminium bar 3, mounting groove 412 and limiting plate 42 clearance fit simultaneously, so, through horizontal sliding limiting plate 42 in mounting groove 412, can drive aluminium bar 3 for frock board 41 horizontal translation in mounting hole 411, adjust aluminium bar 3 at XY direction translation, and then adjust the counterpoint precision in aluminium bar 3 welding hole and electric core 2 utmost point post hole, thereby compensate busbar and electric core 2 utmost point post 21 welding skew problem that leads to because of clearance error between electric core 2.
This embodiment is through setting up tool equipment 4, can accomplish a plurality of aluminium bars 3 location and welding jobs on battery module 1 in proper order, and though will hang down than integrated form busbar packaging efficiency on battery module 1, but the position accuracy in aluminium bar 3 welding hole and 2 utmost point post holes of electricity core can be floated to the tool equipment 4 that single aluminium bar 3 set up through this embodiment to guarantee aluminium bar 3 and 2 welding accuracy of electricity core.
As some preferred embodiments, when the limiting plate 42 horizontally restrains the aluminum bar 3, in the process of manually adjusting the limiting plate 42 to horizontally move in the mounting groove 412, after the aluminum bar 3 is aligned with the battery cell 2 pole 21, and in the process of avoiding subsequent welding, the aluminum bar 3 slides to cause deviation, in this embodiment, at least one first magnetic member 43 is fixedly arranged on the inner top surface around the mounting groove 412, and the second magnetic member 44 adsorbed to the first magnetic member 43 is fixedly arranged on the bottom surface of the limiting plate 42.
From this setting, the artifical limiting plate 42 that slides carries out XY direction translation in mounting groove 412, and limiting plate 42 drives aluminium bar 3 and carries out the translation, and after welding hole on aluminium bar 3 and 2 utmost point post pore pair of electric core were accurate, through magnetism suction principle mutually, realize limiting plate 42 adjusting aluminium bar 3 welding hole and 2 utmost point post pore pair of electric core position in-process quick convenient location, with low costs, the suitability is strong.
As some preferred embodiments, the length of the second magnetic member 44 is smaller than that of the first magnetic member 43, so that the fluctuation limiting block can easily move in the installation groove 412, and the problem that the magnetic attraction force of the two magnetic members is too strong to cause difficulty in operation is avoided.
In the present embodiment, the opening area of the mounting hole 411 is larger than the area of the aluminum bar 3. On the one hand, can make things convenient for frock board 41 when installing on battery module 1, aluminium bar 3 can be smooth pass mounting hole 411, and on the other hand when adjusting aluminium bar 3 and electric core 2 utmost point post 21 counterpoint, makes things convenient for aluminium bar 3 horizontal migration in mounting hole 411 for aluminium bar 3 can have sufficient removal space.
For some embodiments, the depth of the mounting hole 411 is not greater than the height of the pole 21 of the cell 2. From this setting, can avoid because of the mounting hole 411 degree of depth surpasss 2 utmost point posts 21 height of electric core after, frock board 41 establishes back on 2 utmost point posts 21 of electric core and aluminium bar 3 through mounting hole 411 cover, and 3 level of aluminium bar are in mounting hole 411, can't be retrained by limiting plate 42 to can't adjust aluminium bar 3 through limiting plate 42.
In this embodiment, the horizontal clearance between limiting plate 42 and the mounting groove 412 is 5 ~ 10mm, from this setting, can make aluminium bar 3 possess certain accommodation space, and the horizontal clearance between spacing hole 421 and the aluminium bar 3 is 0 ~ 0.2mm, drives aluminium bar 3 location when reaching spacing and moving.
In the present embodiment, a limiting member 45 for limiting the limiting plate 42 to be disengaged from the mounting groove 412 is fixedly disposed on the top surface of the mounting groove 412. Therefore, the limiting plate 42 can be prevented from being separated from the mounting groove 412 on the tooling plate 41, so that the whole tooling jig 4 can form an independent component, the loss of parts is avoided, and the battery modules 1 with the same model can be flexibly shared conveniently.
In the present embodiment, the tooling plate 41 is provided at both ends thereof with positioning pins 46 for connection with the end plates 11 at the ends of the battery module 1, respectively. Can realize through locating pin 46 that frock board 41 both ends and the end plate 11 at battery module 1 both ends can dismantle the connection, make things convenient for the nimble dismantlement installation on battery module 1 of whole frock tool 4. After the aluminum bar 3 positioning welding is completed, the whole tooling jig 4 can be taken down from the battery module 1 by disassembling the positioning pin 46, so that the next step of the process operation of the battery module 1 is facilitated.
The utility model discloses a theory of operation is:
the aluminum bar 3 is horizontally arranged on the pole 21 between two adjacent electric cores 2 on the battery module 1, the tooling plate 41 is horizontally arranged at the top end of the battery module 1, and the pole 21 of the electric core 2 and the aluminum bar 3 pass through the mounting hole 411, meanwhile, the aluminum bar 3 is inserted into the limiting hole 421 of the limiting plate 42, the tooling plate 41 and the end plate 11 at the end of the battery module 1 are fixed by the positioning pin 46, the whole tooling jig 4 is connected with the top surface of the battery module 1, and the limiting plate 42 moves horizontally in the mounting groove 412, can drive the aluminum bar 3 to translate in the XY direction, when the welding hole on the aluminum bar 3 is aligned with the pole hole of the electric core 2, through magnetism principle of inhaling mutually, realize limiting plate 42 adjusting aluminium bar 3 welding hole and 2 utmost point post hole of electricity core counterpoint in-process quick convenient location, and then adjust the counterpoint precision in aluminium bar 3 welding hole and 2 utmost point post holes of electricity core. After the aluminum bar 3 positioning welding is completed, the whole tooling jig 4 can be taken down from the battery module 1 by disassembling the positioning pin 46, so that the next step of the process operation of the battery module 1 is facilitated.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, 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. The utility model provides a battery module aluminium bar welding frock, its includes battery module (1), and battery module (1) is arranged along its length direction has a plurality of electric cores (2), is provided with between two adjacent electric cores (2) to be used for carrying out welded aluminium bar (3) to utmost point post (21) on electric core (2), its characterized in that: the aluminum bar positioning fixture comprises a fixture (4) used for positioning a plurality of aluminum bars (3), wherein the fixture (4) comprises a fixture plate (41) and a limiting plate (42), the tooling plate (41) is horizontally and detachably arranged on the top surface of the battery module (1), a plurality of mounting holes (411) corresponding to the aluminum bars (3) are arranged on the tooling plate (41), the mounting hole (411) penetrates through the tool plate (41), a mounting groove (412) is formed in the top surface of the mounting hole (411), the limit plate (42) is horizontally arranged in the mounting groove (412), a limit hole (421) for sleeving the aluminum bar (3) is arranged on the limit plate (42), the mounting groove (412) is in clearance fit with the limiting plate (42), the limiting plate (42) can drive the aluminum bar (3) to horizontally move in the mounting hole (411) relative to the tooling plate (41), so that the welding hole of the aluminum bar (3) is aligned with the pole hole on the battery core (2).
2. The battery module aluminum bar welding tool of claim 1, characterized in that: at least one first magnetic part (43) is fixedly arranged on the inner top surface of the periphery of the mounting groove (412), and a second magnetic part (44) adsorbed with the first magnetic part (43) is fixedly arranged on the bottom surface of the limiting plate (42).
3. The battery module aluminum bar welding tool of claim 2, characterized in that: the length of the second magnetic part (44) is smaller than that of the first magnetic part (43).
4. The battery module aluminum bar welding tool of claim 1, characterized in that: the opening area of the mounting hole (411) is larger than the area of the aluminum bar (3).
5. The battery module aluminum bar welding tool of claim 4, characterized in that: the depth of the mounting hole (411) is not more than the height of the pole (21) of the battery cell (2).
6. The battery module aluminum bar welding tool of claim 2, characterized in that: the horizontal clearance between the limiting plate (42) and the mounting groove (412) is 5-10 mm, and the horizontal clearance between the limiting hole (421) and the aluminum bar (3) is 0-0.2 mm.
7. The battery module aluminum bar welding tool of claim 1, characterized in that: the top surface of the mounting groove (412) is fixedly provided with a limiting piece (45) used for limiting the limiting plate (42) to be separated from the mounting groove (412).
8. The battery module aluminum bar welding tool of claim 1, characterized in that: and positioning pins (46) used for being connected with end plates (11) at the end parts of the battery modules (1) are respectively arranged at two ends of the tooling plate (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221062307.0U CN217522079U (en) | 2022-05-06 | 2022-05-06 | Battery module aluminium bar welding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221062307.0U CN217522079U (en) | 2022-05-06 | 2022-05-06 | Battery module aluminium bar welding frock |
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| Publication Number | Publication Date |
|---|---|
| CN217522079U true CN217522079U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221062307.0U Active CN217522079U (en) | 2022-05-06 | 2022-05-06 | Battery module aluminium bar welding frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798597A (en) * | 2024-03-01 | 2024-04-02 | 江苏众钠能源科技有限公司 | Battery module repair equipment |
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2022
- 2022-05-06 CN CN202221062307.0U patent/CN217522079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798597A (en) * | 2024-03-01 | 2024-04-02 | 江苏众钠能源科技有限公司 | Battery module repair equipment |
| CN117798597B (en) * | 2024-03-01 | 2024-05-24 | 江苏众钠能源科技有限公司 | Battery module repair equipment |
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