CN221289961U - Laser welding tool structure for multi-serial-parallel soft package battery pack - Google Patents
Laser welding tool structure for multi-serial-parallel soft package battery pack Download PDFInfo
- Publication number
- CN221289961U CN221289961U CN202323317570.7U CN202323317570U CN221289961U CN 221289961 U CN221289961 U CN 221289961U CN 202323317570 U CN202323317570 U CN 202323317570U CN 221289961 U CN221289961 U CN 221289961U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- block
- end plate
- assembly
- laser welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 49
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 description 5
- 238000005056 compaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of lithium ion battery manufacturing, and particularly relates to a multi-serial-parallel soft package battery pack laser welding tool structure which comprises a base assembly, a guiding limiting assembly, a battery pack end plate fixing assembly and a tab compressing assembly; the guide limiting assembly is fixed on the rear side of the base assembly and used for limiting the rear side and two sides of the battery pack, the battery pack end plate fixing assembly is used for compressing the upper portion of the battery pack, and the tab compressing assembly is fixed on the front portion of the base assembly and used for compressing a tab welding area of the battery pack. The laser welding tool has strong universality, only parts of the battery end plate fixing assembly and the lug pressing assembly are required to be changed during the change of the die, and the tool cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery manufacturing, and particularly relates to a multi-serial-parallel soft package battery pack laser welding tool structure.
Background
At present, due to the advantages of large capacity, good safety performance, small volume, flexible size design and the like, the soft package battery is increasingly used in the field of portable mobile equipment, and a large-capacity battery pack or module is formed by combining a plurality of small-capacity single batteries in a multi-serial multi-parallel mode. At present, when a large-sized soft package battery pack is connected in series and parallel, the welding between the electrode lugs is fixedly connected through laser welding, when the electrode lugs are pressed by laser welding, the pressing is realized through impulse of the air cylinder, the impulse is large, the battery pack is easy to damage, and the air cylinder is used, so that the cost of the laser welding tool is increased.
Disclosure of utility model
The utility model aims to provide a multi-serial-parallel soft package battery pack laser welding tool structure so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-serial-parallel soft package battery pack laser welding tool structure comprises a base assembly, a guiding limiting assembly, a battery pack end plate fixing assembly and a pole lug compressing assembly; the guide limiting assembly is fixed on the rear side of the base assembly and used for limiting the rear side and two sides of the battery pack, the battery pack end plate fixing assembly is used for compressing the upper portion of the battery pack, and the tab compressing assembly is fixed on the front portion of the base assembly and used for compressing a tab welding area of the battery pack.
Preferably, the guiding limiting assembly comprises a left guiding limiting block, a right guiding limiting block, a bottom guiding limiting block and a guiding limiting bottom plate, wherein the left guiding limiting block and the right guiding limiting block are respectively fixed on two sides of the guiding limiting bottom plate, the bottom guiding limiting block is fixed on one side of the guiding limiting bottom plate, and the guiding limiting bottom plate is fixed on the base assembly.
Preferably, the battery pack end plate fixing assembly comprises a bottom positioning stop block, an end plate bottom outer side positioning stop block, an end plate bottom inner side positioning stop block, a top positioning stop block, an end plate top outer side positioning stop block, an end plate top inner side positioning stop block, a rotary pressing block and a supporting column; the bottom positioning check block is connected with the front side of the guiding limit bottom plate, the inner side interval on the upper part of the bottom positioning check block is provided with the inner side positioning check block on the bottom of the end plate, the outer side interval on the upper part of the bottom positioning check block is provided with the outer side positioning check block on the bottom of the end plate, the two sides of the bottom positioning check block are respectively provided with a supporting column, the bottom of the supporting column is fixed on the base assembly, the top of the supporting column is connected with the rotating press block through a pin shaft, the two ends of the top positioning check block are pressed by the rotating press block, and the two sides of the lower part of the top positioning check block are respectively provided with the inner side positioning check block on the top of the end plate and the outer side positioning check block on the top of the end plate.
Preferably, the tab compression assembly comprises a hollowed-out pressing block, an elbow clamp, a connecting plate, a guide shaft, a guide sleeve and a support seat; the support seat is fixed on the base assembly, the support plates are vertically fixed at the two ends of the support seat respectively, one elbow clamp is installed on the side portion of each support plate, one end of each elbow clamp penetrates through the support plate and is fixedly connected with the connecting plate, one guide sleeve is installed on each support plate, one guide shaft is connected in a sliding mode in each guide sleeve, one end of each guide shaft is fixedly connected with the connecting plate, and a plurality of hollowed-out pressing blocks are installed on the outer side of each connecting plate.
Preferably, the top of support column is equipped with rotatory briquetting constant head tank, and rotatory briquetting both ends are arranged in the rotatory briquetting constant head tank, rotatory briquetting's the other end has the clamp groove, and rotatory briquetting's one end is connected with the support column through the round pin axle, and the clamp groove of the other end is pegged graft the cooperation with the bolt of fixing on the support column.
Preferably, the middle part of fretwork briquetting is equipped with two fretwork areas, the both ends of fretwork briquetting pass through the screw rod with the connecting plate is connected, fretwork briquetting and screw rod sliding fit, and the cover has the spring on the screw rod, and spring one end is connected with the fretwork briquetting, and the other end is connected with the connecting plate.
Preferably, the base assembly comprises a base and handles, and the handles are fixed on two sides of the base.
Preferably, the connecting plate corresponding to the hollowed-out area is provided with a corresponding bar-shaped hole.
Preferably, the top outer positioning block and the bottom outer positioning block of the end plate are fixed on the top positioning block and the bottom positioning block respectively through bolts.
Preferably, the top inner side positioning block and the bottom inner side positioning block of the end plate are respectively formed integrally with the top positioning block and the bottom positioning block.
The beneficial effects of the utility model are as follows:
1. The upper end and the lower end of the inner side and the upper end and the lower end of the outer side of the end plate are fixed, so that the end plate is ensured to be flat, and the end plate is prevented from damaging the battery pack when the welding area is compacted;
2. The laser welding tool has strong universality, only parts of the battery end plate fixing assembly and the lug pressing assembly need to be changed during the mold changing, and the tool cost is reduced to a limited extent;
3. When the tab pressing assembly works, the compaction degree of the welding area is controlled by operating the elbow clamp, the impulse is small, the end plate can be effectively prevented from damaging the battery pack, the compaction degree of the welding area can be visually observed, meanwhile, the elbow clamp cost is low, and the tooling cost is effectively reduced.
Drawings
FIG. 1 is a schematic perspective view of a laser welding tool structure for a multi-serial-parallel soft package battery pack;
FIG. 2 is an exploded perspective view of a laser welding tool for multi-serial-parallel soft battery packs according to the present utility model;
FIG. 3 is a schematic perspective view of a base assembly according to the present utility model;
FIG. 4 is a schematic perspective view of a guiding and limiting assembly according to the present utility model;
fig. 5A and 5B are schematic perspective views of a battery pack according to the present utility model;
FIG. 6 is a schematic perspective view of a battery pack end plate fixing assembly according to the present utility model;
fig. 7A, 7B and 7C are schematic perspective views of a tab compressing assembly according to the present utility model;
FIG. 8 is a schematic perspective view of the relative positions of a battery pack and tab compression assembly according to the present utility model;
FIG. 9 is a schematic perspective view showing the relative positions of the components of the laser welding tool prior to placement of the battery pack in accordance with the present utility model;
FIG. 10 is a schematic perspective view of the relative positions of the components of the laser welding tool after the battery pack is placed and before the top positioning stop of the end plate fixing component is not placed;
FIG. 11 is a schematic perspective view showing the relative positions of the components of the laser welding tool after the placement of the top positioning stop of the end plate fixing component after the placement of the battery pack;
Fig. 12 is a schematic perspective view of the relative positions of the components of the laser welding tool after the tab pressing assembly is pressed after the battery pack is placed in the present utility model.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 12, a multi-serial-parallel soft package battery pack laser welding tool structure comprises a base assembly 10, a guiding and limiting assembly 20, a battery pack end plate fixing assembly 40 and a tab pressing assembly 50;
Wherein the base assembly 10 comprises a base 101 and a handle 102; the handles are fixed on two sides of the base.
The guiding and limiting assembly 20 comprises a left guiding and limiting block 201, a right guiding and limiting block 202, a bottom guiding and limiting block 203 and a guiding and limiting bottom plate 204; the left side guide limiting block and the right side guide limiting block are respectively fixed on two sides of the guide limiting bottom plate, the bottom guide limiting block is fixed on one side of the guide limiting bottom plate, and the guide limiting bottom plate is fixed on the base assembly.
The battery pack 30 is composed of a left side 301 of the battery pack, a right side 302 of the battery pack, a bottom 303 of the battery pack, an end plate 304 of the battery pack and a tab welding area 305; wherein, the material of the battery pack end plate 304 is an insulating material, and ABS is recommended.
The battery pack end plate fixing assembly 40 includes an end plate bottom outside positioning block 401, an end plate bottom inside positioning block 402, an end plate top outside positioning block 403, an end plate top inside positioning block 404, a rotary press block 405, a bottom positioning block 406, a top positioning block 407, and a support column 408. The bottom positioning check block is connected with the front side of the guiding limit bottom plate, the inner side interval on the upper part of the bottom positioning check block is provided with the inner side positioning check block on the bottom of the end plate, the outer side interval on the upper part of the bottom positioning check block is provided with the outer side positioning check block on the bottom of the end plate, the two sides of the bottom positioning check block are respectively provided with a supporting column, the bottom of the supporting column is fixed on the base assembly, the top of the supporting column is connected with the rotating press block through a pin shaft, the two ends of the top positioning check block are pressed by the rotating press block, and the two sides of the lower part of the top positioning check block are respectively provided with the inner side positioning check block on the top of the end plate and the outer side positioning check block on the top of the end plate. The top of support column is equipped with rotatory briquetting constant head tank 409, and rotatory briquetting both ends are arranged in the rotatory briquetting constant head tank, rotatory briquetting's the other end has double-layered groove 410, and rotatory briquetting's one end is connected with the support column through the round pin axle, and the double-layered groove of the other end is pegged graft the cooperation with the bolt of fixing on the support column.
The tab pressing assembly 50 comprises a hollowed-out pressing block 501, an elbow clamp 502, a connecting plate 503, a guide shaft 504, a guide sleeve 505 and a supporting seat 506. The support seat is fixed on the base assembly, the support plates 507 are vertically fixed at the two ends of the support seat respectively, one elbow clamp is installed on the side portion of each support plate, one end of each elbow clamp penetrates through the support plate and is fixedly connected with the connecting plate, one guide sleeve is installed on each support plate, one guide shaft is connected in a sliding mode in each guide sleeve, one end of each guide shaft is fixedly connected with the connecting plate, and a plurality of hollowed-out pressing blocks are installed on the outer side of each connecting plate. The middle part of fretwork briquetting is equipped with two fretwork areas 508, the both ends of fretwork briquetting pass through screw rod 509 with the connecting plate is connected, fretwork briquetting and screw rod sliding fit, and the cover has spring 510 on the screw rod, and spring one end is connected with the fretwork briquetting, and the other end is connected with the connecting plate.
Referring to fig. 3, in the base assembly 10, a base 101 is a working platform for welding a battery pack, and is made of an insulating material, and bakelite is recommended; there are 4 handles 102 in the base assembly 10, which are convenient for placing the laser welding tool in the working area, and the materials are insulating materials, and POM is recommended.
Referring to fig. 4, 5A and 5B, the left side 301 of the battery pack is guided and limited by the left side guide limiting block 201; the right side 302 of the battery pack is guided and limited by the right side guiding limiting block 202; the bottom 303 of the battery pack is guided and limited by a bottom guiding limiting block 203; wherein all the components of the guiding and limiting assembly 20 are made of insulating materials.
Referring to fig. 6, end plate bottom outside positioning stoppers 401 and end plate top outside positioning stoppers 403 limit the outside of the fixed battery pack end plate 304; an end plate bottom inside locating stop 402 and an end plate top inside locating stop 404 limit fix the inside of the battery end plate 304.
Referring to fig. 5A, 7B and 8, the hollow-out press block 501 is controlled to press the tab welding area 305 of the battery pack 30 by controlling the toggle clamp 502; FIG. 8 is a state diagram of a tab compression assembly compressing a tab weld area; wherein the hollow pressing block 501 is made of metal material, and brass is recommended; the toggle clamp 502 is made of an insulating material.
The specific operation is as follows:
Firstly, before the battery pack 30 is placed, the positions of the bottom guide limiting block 203 in the guide limiting assembly 20 and the positions of the outer side positioning block 401 and the inner side positioning block 402 of the bottom of the end plate in the battery pack end plate fixing assembly 40 need to be adjusted, as shown in fig. 9;
Then, the battery pack 30 is placed in the laser welding fixture from top to bottom so that the inner side and the outer side of the bottom of the battery pack end plate 304 are exactly fixed by the end plate bottom outer side positioning block 401 and the end plate bottom inner side positioning block 402, as shown in fig. 10;
Next, installing an end plate top outer side positioning stop block 403 and an end plate top inner side positioning stop block 404, and then compacting the end plate top outer side positioning stop block 403 and the end plate top inner side positioning stop block 404 through a rotary pressing block 405, so that the inner side and the outer side of the top of the battery pack end plate 304 are just fixed by the top outer side positioning stop block 403 and the end plate top inner side positioning stop block 404, the end plate 304 is ensured to be smooth, and each tab to be welded of the battery pack 30 can be compacted by a subsequent tab compacting assembly 50, as shown in fig. 11;
Finally, the hollow pressing block 501 is controlled to press the tab welding area 305 of the battery pack 30 by controlling the elbow clamp 502, and meanwhile, the battery pack 30 is not damaged, as shown in fig. 12;
To this end, the auxiliary operation of laser welding is completed, and then a welding operation can be performed by means of a laser welding apparatus.
In the utility model, during actual laser welding, the upper and lower ends of the inner side and the upper and lower ends of the outer side of the end plate are fixed, so that the flatness of the end plate is ensured; when the tab pressing assembly works, the elbow clamp is operated to ensure the compaction of the welding area, so that the end plate can be prevented from damaging the battery pack while the tab welding area is easy to compact, the welding quality is improved, and the safety of the battery pack is also ensured; the laser welding tool has strong universality, only parts of the battery end plate fixing assembly and the lug pressing assembly are required to be changed during the change of the die, and the tool cost is reduced.
It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A multi-serial-parallel soft package battery pack laser welding tool structure is characterized in that: the battery pack comprises a base assembly, a guiding and limiting assembly, a battery pack end plate fixing assembly and a pole lug compressing assembly; the guide limiting assembly is fixed on the rear side of the base assembly and used for limiting the rear side and two sides of the battery pack, the battery pack end plate fixing assembly is used for compressing the upper portion of the battery pack, and the tab compressing assembly is fixed on the front portion of the base assembly and used for compressing a tab welding area of the battery pack.
2. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 1, wherein: the guide limiting assembly comprises a left guide limiting block, a right guide limiting block, a bottom guide limiting block and a guide limiting bottom plate, wherein the left guide limiting block and the right guide limiting block are respectively fixed on two sides of the guide limiting bottom plate, the bottom guide limiting block is fixed on one side of the guide limiting bottom plate, and the guide limiting bottom plate is fixed on the base assembly.
3. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 2, wherein: the battery pack end plate fixing assembly comprises a bottom positioning stop block, an end plate bottom outer side positioning stop block, an end plate bottom inner side positioning stop block, a top positioning stop block, an end plate top outer side positioning stop block, an end plate top inner side positioning stop block, a rotary press block and a support column; the bottom positioning check block is connected with the front side of the guiding limit bottom plate, the inner side interval on the upper part of the bottom positioning check block is provided with the inner side positioning check block on the bottom of the end plate, the outer side interval on the upper part of the bottom positioning check block is provided with the outer side positioning check block on the bottom of the end plate, the two sides of the bottom positioning check block are respectively provided with a supporting column, the bottom of the supporting column is fixed on the base assembly, the top of the supporting column is connected with the rotating press block through a pin shaft, the two ends of the top positioning check block are pressed by the rotating press block, and the two sides of the lower part of the top positioning check block are respectively provided with the inner side positioning check block on the top of the end plate and the outer side positioning check block on the top of the end plate.
4. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 3, wherein: the tab compression assembly comprises a hollowed-out pressing block, an elbow clamp, a connecting plate, a guide shaft, a guide sleeve and a supporting seat; the support seat is fixed on the base assembly, the support plates are vertically fixed at the two ends of the support seat respectively, one elbow clamp is installed on the side portion of each support plate, one end of each elbow clamp penetrates through the support plate and is fixedly connected with the connecting plate, one guide sleeve is installed on each support plate, one guide shaft is connected in a sliding mode in each guide sleeve, one end of each guide shaft is fixedly connected with the connecting plate, and a plurality of hollowed-out pressing blocks are installed on the outer side of each connecting plate.
5. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 3, wherein: the top of support column is equipped with rotatory briquetting constant head tank, and rotatory briquetting both ends are arranged in the rotatory briquetting constant head tank, rotatory briquetting's the other end has the clamp groove, and rotatory briquetting's one end is connected with the support column through the round pin axle, and the clamp groove of the other end is pegged graft the cooperation with the bolt of fixing on the support column.
6. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 4, wherein: the middle part of fretwork briquetting is equipped with two fretwork areas, the both ends of fretwork briquetting pass through the screw rod with the connecting plate is connected, fretwork briquetting and screw rod sliding fit, the cover has the spring on the screw rod, and spring one end is connected with the fretwork briquetting, and the other end is connected with the connecting plate.
7. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 1, wherein: the base assembly comprises a base and handles, and the handles are fixed on two sides of the base.
8. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 6, wherein: corresponding strip-shaped holes are formed in the connecting plates corresponding to the hollowed-out areas.
9. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 3, wherein: the top outer side positioning stop block and the bottom outer side positioning stop block of the end plate are respectively fixed on the top positioning stop block and the bottom positioning stop block through bolts.
10. The multi-serial-parallel soft pack battery pack laser welding tool structure according to claim 3, wherein: the top inner side positioning stop block and the bottom inner side positioning stop block of the end plate are respectively integrally formed with the top positioning stop block and the bottom positioning stop block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323317570.7U CN221289961U (en) | 2023-12-06 | 2023-12-06 | Laser welding tool structure for multi-serial-parallel soft package battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323317570.7U CN221289961U (en) | 2023-12-06 | 2023-12-06 | Laser welding tool structure for multi-serial-parallel soft package battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221289961U true CN221289961U (en) | 2024-07-09 |
Family
ID=91737457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323317570.7U Active CN221289961U (en) | 2023-12-06 | 2023-12-06 | Laser welding tool structure for multi-serial-parallel soft package battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221289961U (en) |
-
2023
- 2023-12-06 CN CN202323317570.7U patent/CN221289961U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212169436U (en) | Electric automobile battery case welding frock | |
| CN212858184U (en) | Blade battery welding device | |
| CN221289961U (en) | Laser welding tool structure for multi-serial-parallel soft package battery pack | |
| CN117532186A (en) | Laser welding tool structure for multi-serial-parallel soft package battery pack | |
| CN219684416U (en) | Welding fixture for battery cell tab | |
| CN217224135U (en) | Laser welding tool is used in lithium cell production | |
| CN213531198U (en) | Nickel-hydrogen battery explosion-proof cover pressure welding device | |
| CN112872586B (en) | Laser welding positioning and pressing device for positive electrode and negative electrode of power battery | |
| CN110640342A (en) | Welding fixture | |
| CN214641353U (en) | Lithium battery welding clamp | |
| CN213425029U (en) | Shell device is gone into to electricity core | |
| CN210755941U (en) | Welding fixture | |
| CN218396682U (en) | Frock clamp is used in welding of lithium cell multilayer foil utmost point ear | |
| CN219684430U (en) | Automatic electric welding machine for serial-parallel connection of single lithium batteries | |
| CN217071304U (en) | Welding tool for end plate and side plate of battery module | |
| CN221110492U (en) | Lug welding fixture applied to blade battery | |
| CN219504014U (en) | Automatic compaction traceless tool clamp for assembling flexible connecting sheet | |
| CN219310322U (en) | Pin welding compaction tool | |
| CN220138401U (en) | Negative pressure formation device for power battery | |
| CN218612619U (en) | Battery production welding press device | |
| CN110605469A (en) | Automatic spot welding machine for battery cell | |
| CN219212084U (en) | Welding positioning jig for full-lug battery cell current collecting disc | |
| CN211804381U (en) | Battery cover and full utmost point ear battery utmost point group ultrasonic welding positioning frock | |
| CN215432032U (en) | Lithium cell positive plate optic fibre laser galvanometer welding mechanism | |
| CN220515805U (en) | Spot welding device for connecting battery tab with lead |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |