CN219986670U - Welding tool for battery cell tab and switching piece - Google Patents
Welding tool for battery cell tab and switching piece Download PDFInfo
- Publication number
- CN219986670U CN219986670U CN202321188903.8U CN202321188903U CN219986670U CN 219986670 U CN219986670 U CN 219986670U CN 202321188903 U CN202321188903 U CN 202321188903U CN 219986670 U CN219986670 U CN 219986670U
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- battery cell
- positioning
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- tab
- switching piece
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- 238000003466 welding Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000005192 partition Methods 0.000 claims abstract description 47
- 238000007493 shaping process Methods 0.000 claims abstract description 23
- 230000006872 improvement Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a welding fixture for a battery cell tab and a transfer sheet, which comprises a fixture base, a battery cell clamping mechanism, a baffle mechanism, a transfer sheet positioning mechanism, a tab inserting plate mechanism and a tab shaping mechanism; the partition plate mechanism is provided with a vertical partition plate which can move towards the direction of the battery cells, and the vertical partition plate is inserted between two adjacent battery cells for one-time positioning; the battery cell clamping mechanism is used for clamping the battery cell and realizing secondary positioning of the battery cell; the transfer sheet positioning mechanism is provided with a positioning profiling block capable of moving towards the direction of the battery cell, and a limiting groove is formed when the positioning profiling block moves towards the direction of the battery cell to position the transfer sheet; the lug shaping mechanism is provided with a lug pressing block capable of moving towards the direction of the battery cell, and the lug pressing block presses the battery cell lug bent on the connecting sheet when moving towards the direction of the battery cell. The utility model can realize the accurate positioning of the battery core and the switching piece and improve the welding quality.
Description
Technical Field
The utility model relates to the technical field of battery manufacturing, in particular to a welding tool for a battery cell tab and a switching piece.
Background
The battery is provided with electric core, utmost point ear, change piece and shell generally, and the electric core sets up in the shell, and the utmost point ear is connected on the electric core, and the utmost point ear passes through the terminal of change piece connection on the shell end cover to realize the electricity between utmost point ear and the terminal and be connected.
Among the prior art, the patent of publication number CN207840520U discloses a welding positioning fixture, including grip block, first fixture, second fixture, go up a mechanism and go up positioning mechanism, the grip block first fixture the second fixture with go up a mechanism and enclose to establish and form the clamping position, wherein, go up positioning mechanism include location clamp plate, supporting seat and connect in the promotion subassembly of location clamp plate, promote the subassembly including promote cylinder, slider and connect in the guide of slider.
If when this anchor clamps were used for novel two side to go out naked electric core of utmost point ear and assemble into unilateral utmost point post finished product battery product, because the switching piece of this type product utmost point ear is integrated to square aluminum shell battery top cap, it also can appear switching piece and the unable effectual laminating of utmost point ear, produces welding failure, problem that the product qualification rate is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the welding fixture for the battery cell tab and the switching piece, which can realize the accurate positioning of the battery cell and the switching piece, protect the battery cell from being stressed and improve the welding quality.
The technical scheme adopted for solving the technical problems is as follows:
welding fixture for battery cell tab and transfer piece, comprising:
a jig base;
the partition plate mechanism is provided with a vertical partition plate which can move towards the direction of the battery cells, and the vertical partition plate is inserted between two adjacent battery cells to realize secondary positioning of the battery cells;
the battery cell clamping mechanism is used for clamping the battery cell and realizing one-time positioning of the battery cell;
the switching piece positioning mechanism is provided with a positioning profiling block capable of moving towards the direction of the battery cell, and the positioning profiling block positions the switching piece when moving towards the direction of the battery cell;
the lug shaping mechanism is provided with a lug pressing block capable of moving towards the direction of the battery cell, and the lug pressing block moves towards the direction of the battery cell and presses the lug bent on the connecting sheet.
As a further improvement of the technical scheme, the electric core clamping mechanism comprises two electric core clamping blocks and clamping jaw cylinders for driving the two electric core clamping blocks to be close to or far away from each other, and the electric core clamping blocks clamp the electric core and realize secondary positioning of the electric core when being close to each other.
As a further improvement of the above technical solution, the partition plate mechanisms have two, and the two partition plate mechanisms are symmetrically mounted on the jig base.
As a further improvement of the technical scheme, the vertical partition plate is connected with a floating assembly, the bottom of the vertical partition plate is provided with a first power assembly which is connected to the jig base in a sliding manner through a guide rail module, and the jig base is provided with a first power assembly which drives the vertical partition plate to reciprocate on the guide rail mechanism.
As a further improvement of the technical scheme, the top of the vertical partition plate is provided with a diaphragm plate, and the diaphragm plate is positioned above the battery cells when the vertical partition plate is inserted between two adjacent battery cells and is used for supporting the switching sheet.
As a further improvement of the technical scheme, the two transfer sheet positioning mechanisms are symmetrically arranged on the jig base, the two transfer sheet positioning mechanisms are used for positioning the transfer sheet when the positioning profiling blocks in the transfer sheet positioning mechanisms move towards the direction of the battery cell, and the two positioning profiling blocks and the two transverse partition plates form limiting grooves for positioning and placing the transfer sheet.
As a further improvement of the technical scheme, the transfer sheet positioning mechanism further comprises a transfer sheet positioning plate and a mounting bracket, wherein the mounting bracket is fixedly connected to the jig base, the transfer sheet positioning plate is slidably connected to the mounting bracket through a guide rail module, a second power assembly for driving the transfer sheet positioning plate to move based on the mounting bracket is arranged on the mounting bracket, and the positioning profiling block is arranged on the transfer sheet positioning plate.
As a further improvement of the technical scheme, the two lug shaping mechanisms are symmetrically arranged on the switching piece positioning mechanism, and lug pressing blocks in the two lug shaping mechanisms respectively press lugs bent on the switching piece.
As a further improvement of the technical scheme, the lug shaping mechanism further comprises a pressing block fixing plate, the lug pressing block is arranged on the pressing block fixing plate, the pressing block fixing plate is located above the transfer plate positioning plate, and the transfer plate positioning plate is provided with a third power assembly for driving the pressing block fixing plate to horizontally move and a fourth power assembly for driving the pressing plate fixing plate to vertically move.
As a further improvement of the technical scheme, the jig base is provided with two symmetrical lug inserting plate mechanisms, each lug inserting plate mechanism further comprises a lug inserting plate and a supporting plate, and a fifth power assembly for driving the lug inserting plate to horizontally move towards the battery cell direction and a sixth power assembly for driving the lug inserting plate to move in the vertical direction are arranged on the supporting plate.
The beneficial effects of the utility model are as follows: a plurality of single electric cores are placed in an electric core clamping mechanism, the electric cores are positioned once by inserting a vertical partition plate between two adjacent electric cores, and then the electric cores are clamped by two electric core clamping blocks to realize secondary positioning of the electric cores, so that the electric cores are positioned more accurately; when the lug inserting plate mechanism moves towards the battery core, the lug inserting plate is inserted into the root of the lug of the battery core, then the lug inserting plate moves along the vertical direction, the inclined posture of the lug of the battery core is corrected into the vertical posture, so that the lug of the battery core passes through the through hole on the switching piece, then the switching piece is placed on the limit groove formed by the positioning profiling block and the transverse partition plate, the positioning of the switching piece is realized, the lug of the battery core is bent on the connecting piece by the external mechanism, and the lug of the battery core is pressed on the connecting piece by the lug shaping mechanism, so that the welding work is facilitated, and the welding quality is improved.
In addition, the diaphragm plate plays a supporting role on the switching piece simultaneously, so that the diaphragm plate bears welding pressure during welding, and adverse conditions such as damage caused by stress of the battery cell are avoided.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a welding tool of the present utility model;
FIG. 2 is a structural exploded view of the welding tool of the present utility model;
FIG. 3 is a schematic view of a cell clamping mechanism according to the present utility model;
FIG. 4 is a schematic view of the structure of the baffle mechanism of the present utility model;
FIG. 5 is a schematic view of a tab shaping mechanism and a tab positioning mechanism according to a first view angle of the present utility model;
FIG. 6 is a schematic view of a second view angle of the lug shaping mechanism and the adaptor positioning mechanism according to the present utility model;
fig. 7 is a schematic structural view of a tab plug board mechanism in the present utility model.
Reference numerals:
1. a jig base; 2. the battery core clamping mechanism; 21. the first battery cell clamping block; 22. the second cell clamping block; 23. a clamping jaw cylinder; 3. a partition plate mechanism; 31. a partition plate positioning cylinder; 32. a first guide rail; 33. a first slider; 34. a first support plate; 35. a vertical partition board; 36. a diaphragm; 4. a lug plugboard mechanism; 41. a second support plate; 42. a lifting cylinder; 43. a connecting plate; 44. a horizontal front air inlet cylinder; 45. a lug plugboard; 46. shaping the hole; 5. a transfer sheet positioning mechanism; 51. a mounting bracket; 52. a second guide rail; 53. a second slider; 54. a transfer sheet positioning plate; 55. positioning a profiling block; 56. a transfer sheet positioning cylinder; 6. a tab shaping mechanism; 61. pressing a lug; 62. pressing a block fixing plate; 63. a fourth power assembly; 64. a third power assembly; 65. and (3) mounting a plate.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1 and 2, a welding fixture for battery cell tabs and a transfer sheet comprises a fixture base 1, a battery cell clamping mechanism 2, a partition plate mechanism 3, a transfer sheet positioning mechanism 5, a tab shaping mechanism 6 and a tab inserting plate mechanism 4, wherein the battery cell clamping mechanism 2, the partition plate mechanism 3, the transfer sheet positioning mechanism 5 and the tab inserting plate mechanism 4 are all installed on the fixture base 1, the tab shaping mechanism 6 is installed on the transfer sheet positioning mechanism 5, and accurate positioning of the battery cell and a connecting sheet is realized through linkage of the mechanisms, so that welding quality is improved.
In this embodiment, referring to fig. 4, the partition mechanism 3 includes a first supporting plate 34, a vertical partition 35, a transverse partition 36 and a first power component, where the vertical partition 35 is fixedly installed on the first supporting plate 34, and the first supporting plate 34 is slidably connected to the jig base 1 through a rail module, where the rail module includes a first rail 32 and a first slider 33, specifically, the first slider 33 includes a slide plate fixedly installed at the bottom of the first supporting plate 34 and a rail slider fixedly installed at the bottom of the slide plate, the rail slider is slidably connected to the first rail 32, the first rail 32 is fixedly installed on the jig base 1, in this embodiment, the first power component adopts a cylinder and is named as a partition positioning cylinder 31, in other embodiments, the first power component can adopt linear reciprocating motion parts such as an oil cylinder and an electric cylinder, the partition positioning cylinder 31 is installed on the jig base 1, and the end of the partition positioning cylinder 31 abuts against the first slider 33, so that when the partition positioning cylinder 31 stretches, the first slider 33 is pushed to slide on the first rail, thereby driving the first supporting plate 34 and the vertical partition 35 to move, and the electric core is inserted between two adjacent electric cores to realize accurate positioning.
In this embodiment, referring to fig. 3, the cell clamping mechanism 2 includes a first cell clamping block 21, a second cell clamping block 22 and a clamping jaw cylinder 23, where the clamping jaw cylinder 23 drives the first cell clamping block 21 and the second cell clamping block 22 to approach or separate from each other when telescoping, and the first cell clamping block 21 and the second cell clamping block 22 clamp the cell and realize secondary positioning of the cell when approaching to each other.
In this embodiment, referring to fig. 4, a diaphragm 36 is disposed on the top of the vertical partition 35, and when the vertical partition 35 is inserted between two adjacent cells, the diaphragm 36 is located above the cells to support the switching piece, so that the welding pressure is borne by the diaphragm 36 during welding, and adverse conditions such as damage caused by stress of the cells are avoided.
Preferably, referring to fig. 1 and 4, the two partition mechanisms 3 are provided, and the two partition mechanisms 3 are symmetrically installed on the jig base 1, and the transverse partition 36 and the vertical partition 35 in the two partition mechanisms 3 respectively position and support two sides of the battery cell at the same time, so that the structural stability is improved.
In this embodiment, referring to fig. 1 and 2, the two adaptor positioning mechanisms 5 are symmetrically installed on the jig base 1, specifically referring to fig. 5 and 6, the adaptor positioning mechanism 5 includes a positioning profiling block 55, an adaptor positioning plate 54 and a mounting bracket 51, the positioning profiling block 55 is disposed on the adaptor positioning plate 54, the mounting bracket 51 is fixedly connected on the jig base 1, the adaptor positioning plate 54 is slidably connected on the mounting bracket 51 through a rail module, the rail mechanism includes a second rail 52 fixedly installed on the mounting bracket 51 and a second slider 53 fixedly installed at the bottom of the adaptor, the second slider 53 is slidably connected with the second rail 52, the mounting bracket 51 is provided with a second power component for driving the adaptor positioning plate 54 to move based on the mounting bracket 51, in this embodiment, the second power component adopts an air cylinder and is named as an adaptor positioning air cylinder 56, and in other embodiments, the second power component can adopt a linear reciprocating mechanism such as an air cylinder and an electric cylinder.
When the transfer sheet positioning cylinder 56 stretches, the transfer sheet positioning plate 54 is driven to slide towards the direction of the battery cell, the positioning profiling blocks 55 in the two transfer sheet positioning mechanisms 5 move to the upper side of the battery cell from two directions, and form a limiting groove for positioning and placing the transfer sheet together with the two transverse partition plates 36 moving to the upper side of the battery cell, so that the accuracy of the positioning of the transfer sheet is improved through the positioning of the limiting groove.
In this embodiment, referring to fig. 1 and 2, the tab shaping mechanism 6 has two tab shaping mechanisms and is symmetrically arranged based on the welding position of the electric core, the two tab shaping mechanisms 6 are respectively installed on one of the adapting piece positioning mechanisms 5, specifically referring to fig. 5 and 6, the tab shaping mechanism 6 includes a plurality of tab press blocks 61, a press block fixing plate 62, a mounting plate 65, a third power assembly 64 and a fourth power assembly 63, the tab press blocks 61 are arranged on the press block fixing plate 62, the third power assembly 64 is installed on the lower surface of the adapting piece positioning plate 54, the movable end of the third power assembly 64 is fixedly connected with the mounting plate 65, the fourth power assembly 63 is arranged on the mounting plate 56, the press block fixing plate 62 is fixedly installed on the movable end of the fourth power assembly 63, the press block fixing plate 62 is located above the adapting piece positioning plate 54, the mounting plate 65 and the fourth power assembly 63, the press block fixing plate 62 and the tab press block 61 are driven to move horizontally towards the electric core direction by the third power assembly 64, and the fourth power assembly 63 drives the press block fixing plate 62 and the tab press block 61 to move vertically downwards to press the bent tab press block 61 onto the adapting piece. In this embodiment, the third power assembly 64 and the fourth power assembly 63 each use an air cylinder, and in other embodiments, the third power assembly 64 and the fourth power assembly 63 may use linear reciprocating motion devices such as an oil cylinder and an electric cylinder.
In this embodiment, referring to fig. 1 and 2, the tab inserting plate mechanism 4 has two tab inserting plate mechanisms, and the two tab inserting plate mechanisms 4 are symmetrically installed on the jig base 1, specifically referring to fig. 7, the tab inserting plate mechanism 4 further includes a second supporting plate 41 fixedly connected to the jig base 1, a connecting plate 43 and a tab inserting plate 45, a fifth power component that the connecting plate 43 moves up and down is provided on the second supporting plate 41, in this embodiment, the fifth power component adopts a cylinder and is named as a lifting cylinder 42, in other embodiments, the fifth power component may adopt a linear reciprocating motion mechanism such as an oil cylinder and an electric cylinder, the lifting cylinder 42 is installed on the second supporting plate 41, a movable end of the lifting cylinder 42 is connected with the connecting plate 43, a sixth power component that drives the tab inserting plate 45 to move horizontally in the direction of the electric core is provided on the connecting plate 43, in this embodiment, the sixth power component adopts a cylinder and is named as a horizontal front inserting plate 44, in other embodiments, the sixth power component may adopt a linear reciprocating motion mechanism such as an oil cylinder and an electric cylinder, the horizontal front inserting plate 44 is installed on the lower surface of the connecting plate 43, and the lifting cylinder 44 is installed on the movable end of the front lug inserting plate 45. The lug inserting plate 45 is provided with a plurality of strip-shaped shaping holes 46, the lug inserting plate 45 is driven by the horizontal front air inlet cylinder 44 to move to the position where the shaping holes 46 are inserted into the root parts of the battery cell lugs, and then the lifting air cylinder 42 drives the lug inserting plate 45 to move upwards so that the battery cell lugs are corrected from an inclined posture to a vertical posture, so that the battery cell lugs pass through the holes on the switching plates.
While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and the equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. Welding fixture for battery cell tab and switching piece, which is characterized by comprising:
a jig base;
the partition plate mechanism is provided with a vertical partition plate which can move towards the direction of the battery cells, and the vertical partition plate is inserted between two adjacent battery cells to realize one-time positioning of the battery cells;
the battery cell clamping mechanism is used for clamping the battery cell and realizing secondary positioning of the battery cell;
the switching piece positioning mechanism is provided with a positioning profiling block capable of moving towards the direction of the battery cell, and the positioning profiling block positions the switching piece when moving towards the direction of the battery cell;
the lug shaping mechanism is provided with a lug pressing block capable of moving towards the direction of the battery cell, and the lug pressing block moves towards the direction of the battery cell and presses the lug bent on the connecting sheet.
2. The welding fixture for the battery cell tab and the adapter plate according to claim 1, wherein the battery cell clamping mechanism comprises two battery cell clamping blocks and a clamping jaw cylinder for driving the two battery cell clamping blocks to be close to or far away from each other, and the two battery cell clamping blocks clamp the battery cell and realize secondary positioning of the battery cell when being close to each other.
3. The welding fixture for the battery lugs and the adapter plate according to claim 1, wherein two baffle mechanisms are arranged symmetrically on the fixture base.
4. The welding fixture for the battery cell tab and the adapter plate according to claim 3, wherein the bottom of the vertical partition plate is provided with a first power assembly which is slidably connected to the fixture base through a guide rail module, and the fixture base is provided with a second power assembly which drives the vertical partition plate to reciprocate on the guide rail mechanism.
5. The welding fixture for the battery cell tabs and the switching pieces according to claim 4, wherein a transverse partition plate is arranged at the top of the vertical partition plate, and the transverse partition plate is positioned above the battery cells when the vertical partition plate is inserted between two adjacent battery cells and is used for supporting the switching pieces.
6. The welding fixture for the battery cell tab and the transfer sheet according to claim 5, wherein two transfer sheet positioning mechanisms are arranged, the two transfer sheet positioning mechanisms are symmetrically arranged on the fixture base, the transfer sheet is positioned when positioning profiling blocks in the two transfer sheet positioning mechanisms move towards the battery cell direction, and limiting grooves for positioning and placing the transfer sheet are formed by the two positioning profiling blocks and the two transverse diaphragms.
7. The welding fixture for the battery cell tab and the switching piece according to claim 6, wherein the switching piece positioning mechanism further comprises a switching piece positioning plate and a mounting bracket, the mounting bracket is fixedly connected to the fixture base, the switching piece positioning plate is slidably connected to the mounting bracket through a guide rail module, a second power assembly for driving the switching piece positioning plate to move based on the mounting bracket is arranged on the mounting bracket, and the positioning profiling block is arranged on the switching piece positioning plate.
8. The welding fixture for the battery cell tabs and the switching pieces according to claim 7, wherein two tab shaping mechanisms are arranged and symmetrically mounted on the switching piece positioning mechanism, and tab pressing blocks in the two tab shaping mechanisms respectively press tabs bent on the switching pieces.
9. The welding fixture for the battery cell tab and the adapter plate according to claim 8, wherein the tab shaping mechanism further comprises a pressing block fixing plate, the tab pressing block is arranged on the pressing block fixing plate, the pressing block fixing plate is located above the adapter plate positioning plate, and the adapter plate positioning plate is provided with a third power assembly for driving the pressing block fixing plate to horizontally move and a fourth power assembly for driving the pressing plate fixing plate to vertically move.
10. The welding fixture for the battery cell electrode lug and the switching piece according to claim 1, wherein the fixture base is provided with two symmetrical electrode lug inserting plate mechanisms, the electrode lug inserting plate mechanisms further comprise an electrode lug inserting plate and a supporting plate, and a fifth power assembly for driving the electrode lug inserting plate to horizontally move towards the battery cell direction and a sixth power assembly for driving the electrode lug inserting plate to vertically move are arranged on the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188903.8U CN219986670U (en) | 2023-05-17 | 2023-05-17 | Welding tool for battery cell tab and switching piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188903.8U CN219986670U (en) | 2023-05-17 | 2023-05-17 | Welding tool for battery cell tab and switching piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219986670U true CN219986670U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321188903.8U Active CN219986670U (en) | 2023-05-17 | 2023-05-17 | Welding tool for battery cell tab and switching piece |
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| CN (1) | CN219986670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644352A (en) * | 2024-01-30 | 2024-03-05 | 宁德时代新能源科技股份有限公司 | Welding positioning device, battery production line and welding method |
-
2023
- 2023-05-17 CN CN202321188903.8U patent/CN219986670U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117644352A (en) * | 2024-01-30 | 2024-03-05 | 宁德时代新能源科技股份有限公司 | Welding positioning device, battery production line and welding method |
| CN117644352B (en) * | 2024-01-30 | 2024-05-28 | 宁德时代新能源科技股份有限公司 | Welding positioning device, battery production line and welding method |
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