CN221454716U - Laser welding verification device for battery module production - Google Patents
Laser welding verification device for battery module production Download PDFInfo
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- CN221454716U CN221454716U CN202323242674.6U CN202323242674U CN221454716U CN 221454716 U CN221454716 U CN 221454716U CN 202323242674 U CN202323242674 U CN 202323242674U CN 221454716 U CN221454716 U CN 221454716U
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- laser welding
- pressure head
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- 238000003466 welding Methods 0.000 title claims abstract description 73
- 238000012795 verification Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims description 52
- 238000005452 bending Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 description 12
- 230000000670 limiting effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a laser welding verification device for battery module production, which relates to the technical field of battery module production equipment and comprises a bottom plate and a positioning assembly, wherein the positioning assembly comprises a first positioning block and a second positioning block, the number of the first positioning block is two, a first positioning groove is formed in the top surface of the first positioning block, and the first positioning groove penetrates through one side, close to each other, of the first positioning block; the second positioning block is in a step shape, the second positioning block comprises a first step surface and a second step surface, the first step surface is positioned between the two first positioning grooves, and the second step surface is provided with a second positioning groove. According to the utility model, before welding operation, the welding parameters can be adjusted through the welding effect of the module cell cover plate and the aluminum row, so that the cost of verification by using the original module is greatly saved, the operation is extremely convenient, the good welding effect can be ensured, the follow-up laser welding equipment is ensured to be in a stable state, and then batch welding operation is performed.
Description
Technical Field
The utility model relates to the technical field of battery module production equipment, in particular to a laser welding verification device for battery module production.
Background
The power battery pack is used as a core component of new energy, and in recent years, the production of the power battery pack has been receiving more and more attention. The power battery pack mainly comprises a module, a battery management system and other electrical and mechanical devices. The battery module needs to be subjected to laser welding in the production process, the laser welding is used as the most important ring in module production and manufacture, the important ring needs to be controlled, in the laser welding process, the welding effect of the final module is also influenced by factors such as material purity of a welding base metal, laser stability, flow of protective gas, stability of a dust removing mechanism and the like, and in order to ensure consistency of the welding effect of the module, welding laser equipment needs to be verified before production, so that a welding verification device needs to be designed for ensuring stability and correctness of the laser welding equipment before production. As shown in fig. 1, during welding verification, the module cell cover plate 910 and the aluminum row 920 are required to be welded together, the module cell cover plate 910 is a long strip plate, the aluminum row 920 is also long strip-shaped, the middle part of the aluminum row is provided with an arc-shaped bending part, and both sides of the aluminum row are provided with round holes. By means of the welding effect of the module cell cover plate 910 and the aluminum row 920, whether the welding state of the laser welding equipment is normal or not is determined.
Disclosure of utility model
In order to solve the technical problems in the background art, the utility model provides a laser welding verification device for producing a battery module.
The utility model provides a laser welding verification device for producing a battery module, which comprises the following components:
A bottom plate;
The positioning assembly comprises two first positioning blocks and a second positioning block, wherein the two first positioning blocks are oppositely arranged, first positioning grooves are formed in the top surfaces of the two first positioning blocks, the first positioning grooves penetrate through one sides, close to each other, of the first positioning blocks, the width of each first positioning groove is identical to that of the module cell cover plate, and the farthest distances of the two first positioning grooves are identical to that of the module cell cover plate; the second locating piece is the step form, the second locating piece includes first step face and second step face, first step face is located between two first constant head tanks, just the tank bottom of first step face and first constant head tank is in same horizontal plane, the second step face is located first step face one side, be provided with the second constant head tank on the second step face, the second constant head tank runs through one side that the second step face is close to first step face, after the module electricity core apron was placed on first step face, its top end face and the tank bottom of second constant head tank were in same horizontal plane, the width of second constant head tank and the width of aluminium row are the same.
As the improvement of the technical scheme, the laser welding verification device for the production of the battery module is characterized in that a transition groove for accommodating the arc-shaped bending part of the aluminum row is arranged between the first step surface and the second step surface.
As the improvement of the technical scheme, the laser welding verification device for the production of the battery module is characterized in that the locating pin is arranged on the second step surface and is located in the second locating groove, and when one side of the aluminum row is placed in the second locating groove, the locating pin penetrates through the round hole of the aluminum row.
As the improvement of the technical scheme, the laser welding verification device for the production of the battery module is characterized in that round grooves are formed in the inner corners of the first positioning groove and the second positioning groove.
As an improvement of the technical scheme, the laser welding verification device for producing the battery module further comprises a pressing assembly, wherein the pressing assembly comprises a pressing clamp, an adapter plate and a pressing head assembly; the pressing pliers are fixed on the bottom plate, the adapter plate is arranged between the pressing pliers and the pressing head assembly and used for connecting the pressing pliers and the pressing head assembly, the pressing pliers drive the pressing head assembly to move up and down, the pressing head assembly is arranged on the right upper portion of the first step surface, and the module cell cover plate and the aluminum row are pressed during welding.
As an improvement of the above technical scheme, the pressure head assembly comprises an upper pressure head and a lower pressure head, the adapter plate is provided with a positioning hole, the top end of the upper pressure head stretches into the positioning hole, the side wall of the upper pressure head is attached to the side wall of the positioning hole, the lower end of the upper pressure head extends outwards to form a connecting part, a screw is arranged between the adapter plate and the connecting part, the screw passes through the adapter plate and is fixed on the connecting part through threaded connection, the screw can move up and down relative to the adapter plate, and a part of the screw between the adapter plate and the connecting part is sleeved with a spring; the lower pressure head is fixed at the lower end of the upper pressure head.
As the improvement of the technical scheme, the laser welding verification device for the production of the battery module is characterized in that square holes are formed in the lower end face of the lower pressure head, and two sides of each square hole penetrate through the side wall of the lower pressure head.
The beneficial effects are that: according to the utility model, before welding operation, the welding parameters can be adjusted through the welding effect of the module cell cover plate and the aluminum row, so that the cost of verification by using the original module is greatly saved, the operation is extremely convenient, the good welding effect can be ensured, the follow-up laser welding equipment is ensured to be in a stable state, and then batch welding operation is performed.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic view of the relative positions of a module cell cover and an aluminum row for welding.
Fig. 2 is a schematic structural view of a laser welding verification device for battery module production according to the present utility model.
Fig. 3 is a schematic structural view of the positioning assembly of the present utility model.
Fig. 4 is a schematic structural view of the compressing assembly of the present utility model.
FIG. 5 is a schematic view of the ram assembly of the present utility model.
In the figure: a bottom plate-100; the positioning assembly-200, the first positioning block-210, the first positioning groove-211, the second positioning block-220, the first step surface-221, the second step surface-222, the second positioning groove-2221, the positioning pin-2222, the transition groove-223 and the circular groove-2012; the die set comprises a pressing component-300, a pressing clamp-310, an adapter plate-320, a positioning hole-321, a screw-322, a spring-3221, a pressing head component-330, an upper pressing head-331, a lower pressing head-332, a square hole-3321, a die set cell cover plate-910 and an aluminum row-920.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
A laser welding verification device for battery module production, as shown in fig. 2 and 3, comprising:
a base plate 100;
The positioning assembly 200, which includes a first positioning block 210 and a second positioning block 220, where the first positioning blocks 210 are two and are oppositely disposed, the top surfaces of the two first positioning blocks 210 are both provided with a first positioning slot 211, the first positioning slot 211 penetrates through one side of the first positioning block 210 where the first positioning slot 211 is close to each other, the width of the first positioning slot 211 is the same as the width of the module cell cover plate 910, and the farthest distances of the two first positioning slots 211 are the same as the length of the module cell cover plate 910; the second positioning block 220 is in a step shape, the second positioning block 220 comprises a first step surface 221 and a second step surface 222, the first step surface 221 is located between two first positioning grooves 211, the bottoms of the first step surface 221 and the first positioning grooves 211 are located on the same horizontal plane, the second step surface 222 is located on one side of the first step surface 221, a second positioning groove 2221 is arranged on the second step surface 222, the second positioning groove 2221 penetrates through one side, close to the first step surface 221, of the second step surface 222, after the module cell cover plate 910 is placed on the first step surface 221, the top end surface of the module cell cover plate is located on the same horizontal plane as the bottom of the second positioning groove 2221, and the width of the second positioning groove 2221 is the same as the width of the aluminum row 920.
During welding, two ends of the module cell cover plate 910 are respectively placed in the two first positioning grooves 211, the module cell cover plate 910 is positioned through the first positioning grooves 211, the middle part of the module cell cover plate 910 is supported by the first step surface 221, one side of the aluminum row 920 is placed in the second positioning groove 2221, the aluminum row 920 is positioned through the second positioning groove 2221, the other side of the aluminum row 920 is positioned at the upper part of the module cell cover plate 910 and is in contact with the top surface of the module cell cover plate 910, and the welding position is formed at the position.
As an improvement of the above technical solution, as shown in fig. 3, a transition groove 223 for accommodating the arc-shaped bending part of the aluminum row is disposed between the first step surface 221 and the second step surface 222.
The transition groove 223 is arranged between the first step surface 221 and the second step surface 222, the structural characteristics of the aluminum row 920 are met, the arc-shaped bending part of the aluminum row 920 is contained, meanwhile, the arc-shaped bending part of the aluminum row 920 is placed in the transition groove 223, a certain limiting effect is achieved, and the aluminum row 920 is limited to move along the length direction.
As an improvement of the above technical solution, as shown in fig. 3, the second step surface 222 is provided with a positioning pin 2222, the positioning pin 2222 is located in the second positioning groove 2221, and when one side of the aluminum row 920 is placed in the second positioning groove 2221, the positioning pin 2222 is inserted into the circular hole of the aluminum row 920.
According to the structural characteristics of the aluminum row 920, the positioning pins 2222 are designed to be matched with round holes on the aluminum row 920, so that the aluminum row is prevented from shaking after being placed, and specifically, the diameter of the positioning pins 2222 is equal to or slightly smaller than that of the round holes of the aluminum row 920, namely, the assembly states of the positioning pins 2222 and the round holes of the aluminum row 920 are clearance fit.
As an improvement of the above technical solution, as shown in fig. 3, circular grooves 2012 are disposed at the inner corners of the first positioning groove 211 and the second positioning groove 2221.
And a round groove 2012 is formed at the corner of the positioning groove and used for preventing the module cell cover plate 910 and the aluminum row 920 from being blocked in the first positioning groove 211 and the second positioning groove 2221 after welding is completed, so that the module cell cover plate is convenient to take out and verify after welding.
As an improvement of the above technical solution, as shown in fig. 2 and 4, the pressing assembly 300 further includes a pressing clamp 310, an adapter plate 320, and a pressing head assembly 330; the pressing pliers 310 are fixed on the bottom plate 100, the adapter plate 320 is arranged between the pressing pliers 310 and the pressing head assembly 330 and is used for connecting the pressing pliers 310 and the pressing head assembly 330, so that the pressing pliers 310 drive the pressing head assembly 330 to move up and down, the pressing head assembly 330 is arranged on the right upper portion of the first step surface 221, and the module cell cover plate 910 and the aluminum row 920 are pressed during welding.
The pressing assembly 300 is used for pressing the module cell cover plate 910 and the aluminum row 920 during welding, so as to ensure the welding effect. Wherein, the pressing clamp 310 is a standard part horizontal compression type quick pressing clamp in the prior art; the adapter plate 320 is used for connecting the pressing clamp 310 and the pressing head assembly 330, so that the pressing clamp 310 can drive the pressing head assembly 330 to move up and down, and in particular, the adapter plate 320 is fixedly connected with the non-handle end of the pressing clamp 310 through a bolt.
As an improvement of the above technical solution, as shown in fig. 5, the ram assembly 330 includes an upper ram 331 and a lower ram 332, a positioning hole 321 is provided on the adapter plate 320, a top end of the upper ram 331 extends into the positioning hole 321, a side wall of the upper ram 331 is attached to a side wall of the positioning hole 321, a lower end of the upper ram 331 extends outwards to form a connection portion, a screw 322 is provided between the adapter plate 320 and the connection portion, the screw 322 passes through the adapter plate 320 and is fixed on the connection portion through threaded connection, the screw 322 can move up and down relative to the adapter plate 320, and a portion of the screw 322 between the adapter plate 320 and the connection portion is sleeved with a spring 3221; the lower ram 332 is fixed to the lower end of the upper ram 331.
The ram assembly 330 includes an upper ram 331 and a lower ram 332, the upper ram 331 is configured to couple to the adapter plate 320, and the lower ram 332 is configured to compress the module cell cover plate 910 and the aluminum row 920. The connection of the upper pressure head 331 and the adapter plate 320 is realized through the screw 322, specifically, the lower end of the screw 322 is fixed on the connection part of the upper pressure head 331 through threaded connection, the upper end passes through the adapter plate 320 and can move up and down relative to the adapter plate 320, the spring 3221 is sleeved outside the screw 322, the lower pressure of the pressure head assembly 330 is buffered by the elasticity of the spring 3221, the pressure head assembly 330 is prevented from crushing the module cell cover plate 910 and the aluminum row 920, the top end of the upper pressure head 331 extends into the positioning hole 321, the upper and lower movement of the pressure head assembly 330 relative to the adapter plate 320 is guided, and the offset is avoided.
As an improvement of the above technical solution, as shown in fig. 5, a square hole 3321 is provided on the lower end surface of the lower pressing head 332, and two sides of the square hole 3321 penetrate through the sidewall of the lower pressing head 332.
The square holes 3321 are convenient for removing impurities during welding.
The first positioning block 210, the second positioning block 220, and the pressing jaw 310 are all fixed to the base plate by bolts.
According to the utility model, by arranging the welding verification device, before welding operation, whether the welding state of the laser welding equipment is normal or not is verified by the welding verification device, and the correctness and stability of subsequent batch welding are ensured.
The positioning assembly has good positioning effect on the module cell cover plate and the aluminum plate, is not easy to shift in the welding process, reduces the influence of the positioning problem of the module cell cover plate and the aluminum plate on the welding effect, and improves the accuracy of the verification result.
The whole welding verification device is fixed by the bottom plate, and the bottom plate is detachable, so that the welding verification device is applicable to laser welding equipment under different working environments.
According to the utility model, before welding operation, the welding parameters can be adjusted through the welding effect of the module cell cover plate and the aluminum row, so that the cost of verification by using the original module is greatly saved, the operation is extremely convenient, the good welding effect can be ensured, the follow-up laser welding equipment is ensured to be in a stable state, and then batch welding operation is performed.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. Laser welding verifying device is used in battery module production, characterized in that includes:
A bottom plate (100);
The positioning assembly (200) comprises a first positioning block (210) and a second positioning block (220), wherein the first positioning blocks (210) are arranged in two opposite directions, first positioning grooves (211) are formed in the top surfaces of the two first positioning blocks (210), the first positioning grooves (211) penetrate through one sides, close to each other, of the first positioning blocks (210), the width of the first positioning grooves (211) is identical to the width of the module cell cover plate (910), and the farthest distances of the two first positioning grooves (211) are identical to the length of the module cell cover plate (910); the second positioning block (220) is in a step shape, the second positioning block (220) comprises a first step surface (221) and a second step surface (222), the first step surface (221) is located between two first positioning grooves (211), the bottoms of the first step surface (221) and the first positioning grooves (211) are located on the same horizontal plane, the second step surface (222) is located on one side of the first step surface (221), a second positioning groove (2221) is formed in the second step surface (222), the second positioning groove (2221) penetrates through one side, close to the first step surface (221), of the second step surface (222), and after the module cell cover plate (910) is placed on the first step surface (221), the top end surface of the module cell cover plate is located on the same horizontal plane as the bottom of the second positioning groove (2221), and the width of the second positioning groove (2221) is the same as the width of the aluminum row (920).
2. The laser welding verification device for producing a battery module according to claim 1, wherein: a transition groove (223) for accommodating the arc-shaped bending part of the aluminum row is arranged between the first step surface (221) and the second step surface (222).
3. The laser welding verification device for producing a battery module according to claim 1, wherein: the locating pin (2222) is arranged on the second step surface (222), the locating pin (2222) is located in the second locating groove (2221), and when one side of the aluminum row (920) is placed in the second locating groove (2221), the locating pin (2222) is arranged in a circular hole of the aluminum row (920) in a penetrating mode.
4. The laser welding verification device for producing a battery module according to claim 1, wherein: the inner corners of the first positioning groove (211) and the second positioning groove (2221) are provided with round grooves (2012).
5. The laser welding verification device for producing a battery module according to claim 1, wherein: the device further comprises a pressing assembly (300), wherein the pressing assembly (300) comprises a pressing clamp (310), an adapter plate (320) and a pressing head assembly (330); the pressing clamp (310) is fixed on the bottom plate (100), the adapter plate (320) is arranged between the pressing clamp (310) and the pressing head assembly (330) and used for connecting the pressing clamp (310) and the pressing head assembly (330), the pressing clamp (310) drives the pressing head assembly (330) to move up and down, the pressing head assembly (330) is arranged on the right upper portion of the first step surface (221), and the module cell cover plate (910) and the aluminum row (920) are pressed during welding.
6. The laser welding verification device for producing a battery module according to claim 5, wherein: the pressure head assembly (330) comprises an upper pressure head (331) and a lower pressure head (332), a positioning hole (321) is formed in the adapter plate (320), the top end of the upper pressure head (331) stretches into the positioning hole (321), the side wall of the upper pressure head (331) is attached to the side wall of the positioning hole (321), the lower end of the upper pressure head (331) extends outwards to form a connecting part, a screw (322) is arranged between the adapter plate (320) and the connecting part, the screw (322) passes through the adapter plate (320) and is fixed on the connecting part through threaded connection, the screw (322) can move up and down relative to the adapter plate (320), and a spring (3221) is sleeved on the part of the screw (322) between the adapter plate (320) and the connecting part; the lower pressure head (332) is fixed at the lower end of the upper pressure head (331).
7. The laser welding verification device for producing a battery module according to claim 6, wherein: the lower end face of the lower pressure head (332) is provided with a square hole (3321), and two sides of the square hole (3321) penetrate through the side wall of the lower pressure head (332).
Priority Applications (1)
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CN202323242674.6U CN221454716U (en) | 2023-11-30 | 2023-11-30 | Laser welding verification device for battery module production |
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CN202323242674.6U CN221454716U (en) | 2023-11-30 | 2023-11-30 | Laser welding verification device for battery module production |
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CN221454716U true CN221454716U (en) | 2024-08-02 |
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- 2023-11-30 CN CN202323242674.6U patent/CN221454716U/en active Active
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