CN219684391U - Welding tool for manufacturing lithium battery module - Google Patents
Welding tool for manufacturing lithium battery module Download PDFInfo
- Publication number
- CN219684391U CN219684391U CN202320391155.7U CN202320391155U CN219684391U CN 219684391 U CN219684391 U CN 219684391U CN 202320391155 U CN202320391155 U CN 202320391155U CN 219684391 U CN219684391 U CN 219684391U
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- China
- Prior art keywords
- plate
- battery module
- lithium battery
- hole
- extrusion plate
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- 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.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 48
- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229920001342 Bakelite® Polymers 0.000 claims description 7
- 239000004637 bakelite Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a welding tool for manufacturing a lithium battery module, which comprises four battery positioning plates arranged around the lithium battery module, a conductive bar positioning plate above the lithium battery module and an extrusion plate; the four battery positioning plates are detachably connected in pairs to form a rectangle matched with the lithium battery module; the extrusion plate is detachably connected with the battery positioning plate; a plurality of positioning grooves matched with the conducting bars on the lithium battery module are formed in the conducting bar positioning plate; the extrusion plate is provided with a plurality of through holes which are arranged corresponding to the battery poles of the lithium battery module; the through hole is used for passing through by laser or a laser welding head; and a compression assembly used for compressing the conductive bars and the battery poles is arranged between the extrusion plate and the conductive bar positioning plate. The pressing component is additionally arranged, the spring pushes the limiting plate to move downwards, and then the sleeve is driven to move downwards, so that the sleeve is pressed on the lower conductive bar, the conductive bar is effectively prevented from being deviated during welding, and the situations of cold joint and missing welding are prevented.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment for manufacturing and processing lithium battery modules, in particular to a welding tool for manufacturing lithium battery modules.
Background
Along with the continuous development of science and technology, the power battery is widely applied in daily production and life. The lithium battery module is manufactured by combining one or more electric cores in a serial or parallel connection mode through conductive bars so as to achieve ideal battery voltage and battery capacity. In the manufacturing process of the lithium battery module, the conducting bar is required to be placed on the battery pole, and the conducting bar and the battery pole are welded together by matching with a full-automatic laser welding machine.
When the conducting bars are welded in the prior art, the conducting bar locating plate is placed on the electric core, the conducting bar locating groove is formed in the conducting bar locating plate, the conducting bars are located in the locating groove, then the pressing plate is placed on the conducting bar locating plate, the welding holes are formed in the pressing plate, and the conducting bars are welded through the welding holes. However, when the press plate is fixed above the battery cell by using the lock catch, the press plate sometimes cannot compress the conductive bars due to the problems of different material thicknesses of the conductive bars or operation of workers, and offset between the conductive bars and the battery poles can occur during welding, so that the situation of cold joint and missing welding occurs during welding. In addition, the clamp plate adopts the material of insulating bakelite board, and direct mount hasp on the side of clamp plate, and the repeated lock of hasp or opening can lead to the position of insulating bakelite board installation hasp to appear damaging, leads to whole clamp plate unable use. Therefore, there is a need to design a welding tool for manufacturing a lithium battery module to solve the above problems.
Disclosure of Invention
The utility model aims to provide a welding tool for manufacturing a lithium battery module, which can effectively solve the problem of cold joint leakage caused by the deviation between a conductive bar and a battery pole, and can prolong the service life of welding work. In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the welding tool for manufacturing the lithium battery module comprises four battery positioning plates arranged around the lithium battery module, a conductive bar positioning plate arranged above the lithium battery module and an extrusion plate arranged above the conductive bar positioning plate; the four battery positioning plates are detachably connected in pairs to form a rectangle matched with the lithium battery module; the extrusion plate is detachably connected with the battery positioning plate; the conducting bar positioning plate is provided with a plurality of positioning grooves matched with the conducting bars on the lithium battery module; the extrusion plate is provided with a plurality of through holes which are arranged corresponding to battery poles of the lithium battery module; the through hole is used for passing through by laser or a laser welding head; and a compression assembly used for compressing the conductive bars and the battery poles is arranged between the extrusion plate and the conductive bar positioning plate.
Further, the compression assembly includes at least two mounting holes on the compression plate disposed about the through hole, and a sleeve disposed within the through hole; the through holes and the mounting holes are all stepped holes, the small hole ends of the through holes are upward arranged and positioned on the upper surface of the extrusion plate, and the small hole ends of the mounting holes are downward arranged and communicated with the large hole ends of the through holes; a limiting plate is sleeved on the outer wall of the sleeve; a fixing cap is arranged in the mounting hole, and the head of the fixing cap is matched with the large hole end of the mounting hole in a stop way; the limiting plate is provided with a countersunk hole corresponding to the fixing cap, and countersunk screws are arranged in the countersunk hole in a penetrating manner; the tail part of the countersunk head screw extends upwards and is in threaded connection with the fixing cap; the countersunk head screw with the outer cover of fixed cap is equipped with the spring, the spring is located the macropore of through-hole, and its upper and lower both ends respectively with the stripper plate with backstop cooperation between the limiting plate makes sheathed tube lower extreme pressure is in the upper surface of conducting bar.
Further, the number of the mounting holes is four, and the mounting holes are uniformly distributed on two sides of the sleeve.
Further, a plurality of notches are formed in two sides of the extrusion plate, a boss is arranged in each notch, and the height of the upper surface of each boss is lower than that of the extrusion plate; a connecting piece matched with the boss and the notch in shape is arranged in the notch, and the connecting piece is connected with the boss through a screw; a lock catch is arranged on the outer wall of the connecting piece, and a locking piece matched with the lock catch is arranged on the battery positioning plate; the locking piece is matched with the lock catch, and the extrusion plate is fixed on the lithium battery module.
Further, two symmetrical battery positioning plates are connected with a horizontal positioning plate through screws; the horizontal positioning plate is provided with a connecting hole for connecting with the welding platform.
Further, a plurality of arc grooves are formed in the lower surface of the conducting bar locating plate around the locating groove, and the arc grooves are matched with battery poles of the lithium battery module.
Further, the connecting piece is made of aluminum or iron materials; the extrusion plate is an insulating bakelite plate.
The utility model has the beneficial effects that: the compression assembly is additionally arranged, the spring pushes the limiting plate to move downwards, and then the sleeve is driven to move downwards, so that the sleeve is compressed on the lower conductive bar, the conductive bar is effectively prevented from being deviated during welding, and the situations of cold joint and missing welding are prevented; according to the utility model, the boss and the notch are arranged on the extrusion plate, the aluminum or iron connecting piece is matched and installed in the boss and the notch, and the lock catch is arranged on the connecting piece, so that the lock catch is prevented from being directly arranged on the extrusion plate made of the insulating bakelite plate material, and the service life of the welding tool is prolonged.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic view of the A-A structure of the present utility model;
FIG. 5 is a schematic view of the B-B direction structure of the present utility model;
FIG. 6 is an enlarged view of a portion of the utility model at A;
FIG. 7 is a schematic view of a sleeve structure according to the present utility model;
FIG. 8 is a schematic view of the squeeze plate of the present utility model;
FIG. 9 is a schematic view of a structure of a conductive bar positioning plate according to the present utility model;
reference numerals:
1. a battery positioning plate; 2. a conductive bar positioning plate; 3. an extrusion plate; 4. a horizontal positioning plate; 5. a connecting piece; 6. a sleeve; 7. a conductive bar; 8. locking; 9. a locking member; 10. a through hole; 11. a mounting hole; 12. a lithium battery module; 13. a spring; 14. a limiting plate; 15. a fixing cap; 16. countersunk head screws; 17. a positioning groove; 18. an arc-shaped groove; 19. a boss; 20. and (5) a notch.
Detailed Description
The technical solution of the present utility model will be further described with reference to fig. 1 to 9 and examples, so that those skilled in the art can more clearly understand the content of the technical solution.
Example 1:
the welding fixture for manufacturing the lithium battery module comprises four battery positioning plates 1 arranged around the lithium battery module 12, a conductive bar positioning plate 2 arranged above the lithium battery module 12 and an extrusion plate 3 arranged above the conductive bar positioning plate 2; the four battery positioning plates 1 are detachably connected in pairs to form a rectangular space matched with the lithium battery module 12; the extrusion plate 3 is detachably connected with the battery positioning plate 1; in this embodiment, the lock catch is arranged on the extrusion plate, and the locking component is arranged on the battery positioning plate, so as to realize detachable connection between the two. The latch and lock assembly of this embodiment may employ a prior art latch type strike. Two symmetrical battery positioning plates 1 are connected with a horizontal positioning plate 4 through screws; the horizontal positioning plate 4 is provided with a connecting hole for connecting with a welding platform.
The conducting bar positioning plate 2 is provided with a plurality of positioning grooves 17 matched with the conducting bars 7 on the lithium battery module 12; the lower surface of the conducting bar locating plate 2 is provided with a plurality of arc-shaped grooves 18 around the locating groove 17, and the arc-shaped grooves 18 are matched with battery poles of the lithium battery module 12, so that when the extruding plate is placed on the battery module, the conducting bar locating plate can effectively play a locating role, and the conducting bar is located in the locating groove at the moment. The extrusion plate 3 is provided with a plurality of through holes 10 which are arranged corresponding to battery poles of the lithium battery module 12; the through hole 10 is used for passing through by laser or a laser welding head; and a pressing component for pressing the conductive bars 7 and the battery poles is arranged between the pressing plate 3 and the conductive bar positioning plate 2.
The compression assembly comprises four mounting holes 11 located on the compression plate 3 around the through hole 10, and a sleeve 6 disposed within the through hole 10; as shown in fig. 8, the mounting holes in the present embodiment are symmetrically arranged on both sides of the through hole. The through holes 10 and the mounting holes 11 are stepped holes, the small hole ends of the through holes 10 are upward arranged and positioned on the upper surface of the extrusion plate 3, and the small hole ends of the mounting holes 11 are downward arranged and communicated with the large hole ends of the through holes 10; the diameter of the sleeve in this embodiment is smaller than or equal to the diameter of the small hole end of the through hole, the outer wall of the sleeve 6 is sleeved with a limiting plate 14, and the limiting plate is located in the large hole of the through hole and forms stop fit with the through hole.
A fixing cap 15 is arranged in the mounting hole 11, and the head of the fixing cap 15 is in stop fit with the large hole end of the mounting hole 11; the tail part of the fixing cap penetrates through the small hole of the mounting hole and extends into the through hole below. The limiting plate 14 is provided with a countersunk hole corresponding to the fixing cap 15, and countersunk screws 16 are arranged in the countersunk hole in a penetrating manner; the tail of the countersunk head screw 16 extends upwards and is in threaded connection with the fixing cap 15; in the embodiment, the superposition length between the countersunk head screw and the fixed cap can be adjusted. The countersunk head screw 16 with the outside cover of fixed cap 15 is equipped with spring 13, spring 13 is located the macropore of through-hole 10, and its upper and lower both ends respectively with the cooperation of backstop between stripper plate 3 and the limiting plate 14, make the lower extreme of sleeve pipe 6 is pressed the upper surface of conducting bar 7. In this embodiment, be provided with the sleeve above the conducting bar to utilize the spring, apply decurrent pressure to the limiting plate, and then make the sleeve compress tightly at the upper surface of conducting bar, prevent that the conducting bar from appearing the skew phenomenon, consequently compare with prior art, be difficult for appearing the rosin joint and leak the phenomenon of welding.
When the welding device is specifically used, the four battery locating plates are connected with each other to form a rectangle matched with the battery module, and then the rectangle is fixed on a welding platform by utilizing the horizontal locating plates. During welding, the lithium battery module is directly placed in a rectangular space formed by the lithium battery module, and then the conductive bar positioning plate is placed on the battery module, so that the conductive bar is positioned in the positioning groove, and then the extrusion plate is placed above the conductive bar positioning plate, and meanwhile, the conductive bar is locked by utilizing the lock catch. At this time, the conductive bar is pressed on the battery pole under the cooperation of the spring and the sleeve.
Example 2:
this embodiment differs from embodiment 1 in that: in this embodiment, a plurality of notches 20 are provided on two sides of the extrusion plate 3, a boss 19 is provided in the notch 20, and the height of the upper surface of the boss 19 is lower than that of the extrusion plate 3; an L-shaped connecting piece is arranged in the notch 20, is matched with the boss 19 and the notch 20 in shape, is placed on the boss, and enables the connecting piece 5 to be connected with the boss 19 through a screw; the connecting piece 5 is made of aluminum or iron material; the squeeze plate 3 is an insulating bakelite plate. A lock catch 8 is arranged on the outer wall of the connecting piece 5, and a locking piece 9 matched with the lock catch 8 is arranged on the battery positioning plate 1; the locking piece 9 is matched with the lock catch 8 to fix the extrusion plate 3 on the lithium battery module 12. The connecting piece has been add in this embodiment, has avoided directly setting up the hasp on the stripper plate, because direct trompil sets up the hasp on the insulating bakelite board, through locking repeatedly, appears the condition that the stripper plate damaged very easily. In this embodiment, the lock catch is disposed on the side surface of the connecting piece, so that the situation of damage is not easy to occur when the lock catch is repeatedly locked. The lifetime of the device is increased.
It should be noted that the above description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. Welding frock is used in lithium cell module manufacturing, its characterized in that: the lithium battery module comprises four battery positioning plates (1) arranged around the lithium battery module (12), a conductive bar positioning plate (2) arranged above the lithium battery module (12) and an extrusion plate (3) arranged above the conductive bar positioning plate (2); the four battery positioning plates (1) are detachably connected in pairs to form a rectangle matched with the lithium battery module (12); the extrusion plate (3) is detachably connected with the battery positioning plate (1); a plurality of positioning grooves (17) matched with the conductive bars (7) on the lithium battery module (12) are formed in the conductive bar positioning plate (2); the extrusion plate (3) is provided with a plurality of through holes (10) which are arranged corresponding to battery poles of the lithium battery module (12); the through hole (10) is used for passing through by laser or a laser welding head; and a pressing component used for pressing the conductive bars (7) and the battery poles is arranged between the pressing plate (3) and the conductive bar positioning plate (2).
2. The welding fixture for manufacturing a lithium battery module according to claim 1, wherein: the compression assembly comprises at least two mounting holes (11) arranged around the through hole (10) on the extrusion plate (3), and a sleeve (6) arranged in the through hole (10); the through holes (10) and the mounting holes (11) are stepped holes, small hole ends of the through holes (10) are upward and positioned on the upper surface of the extrusion plate (3), and small hole ends of the mounting holes (11) are downward and communicated with large hole ends of the through holes (10); a limiting plate (14) is sleeved on the outer wall of the sleeve (6); a fixing cap (15) is arranged in the mounting hole (11), and the head of the fixing cap (15) is matched with the large hole end of the mounting hole (11) in a stop way; the limiting plate (14) is provided with a countersunk hole corresponding to the fixing cap (15), and countersunk screws (16) are arranged in the countersunk hole in a penetrating mode; the tail part of the countersunk head screw (16) extends upwards and is in threaded connection with the fixing cap (15); the countersunk head screw (16) with fixed cap (15) outside cover is equipped with spring (13), spring (13) are located the macropore of through-hole (10), and its upper and lower both ends respectively with the stripper plate (3) with backstop cooperation between limiting plate (14) makes the lower extreme of sleeve pipe (6) is pressed in the upper surface of conducting bar (7).
3. The welding fixture for manufacturing a lithium battery module according to claim 2, wherein: the four mounting holes (11) are uniformly distributed on two sides of the sleeve (6).
4. The welding fixture for manufacturing a lithium battery module according to claim 1, wherein: a plurality of notches (20) are formed in two sides of the extrusion plate (3), bosses (19) are arranged in the notches (20), and the upper surface of each boss (19) is lower than the extrusion plate (3); a connecting piece (5) matched with the boss (19) and the notch (20) in shape is arranged in the notch (20), and the connecting piece (5) is connected with the boss (19) through a screw; a lock catch (8) is arranged on the outer wall of the connecting piece (5), and a locking piece (9) matched with the lock catch (8) is arranged on the battery positioning plate (1); the locking piece (9) is matched with the lock catch (8) to fix the extrusion plate (3) on the lithium battery module (12).
5. The welding fixture for manufacturing a lithium battery module according to claim 1, wherein: two symmetrical battery positioning plates (1) are connected with a horizontal positioning plate (4) through screws; the horizontal positioning plate (4) is provided with a connecting hole for connecting with the welding platform.
6. The welding fixture for manufacturing a lithium battery module according to claim 1, wherein: the lower surface of the conducting bar locating plate (2) surrounds the locating groove (17) and is provided with a plurality of arc-shaped grooves (18), and the arc-shaped grooves (18) are matched with battery poles of the lithium battery module (12).
7. The welding fixture for manufacturing a lithium battery module according to claim 4, wherein: the connecting piece (5) is made of aluminum or iron material; the extrusion plate (3) is an insulating bakelite plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391155.7U CN219684391U (en) | 2023-03-06 | 2023-03-06 | Welding tool for manufacturing lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391155.7U CN219684391U (en) | 2023-03-06 | 2023-03-06 | Welding tool for manufacturing lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684391U true CN219684391U (en) | 2023-09-15 |
Family
ID=87967494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320391155.7U Active CN219684391U (en) | 2023-03-06 | 2023-03-06 | Welding tool for manufacturing lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684391U (en) |
-
2023
- 2023-03-06 CN CN202320391155.7U patent/CN219684391U/en active Active
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