CN209754314U - Battery module busbar welding clamping device - Google Patents
Battery module busbar welding clamping device Download PDFInfo
- Publication number
- CN209754314U CN209754314U CN201920381023.XU CN201920381023U CN209754314U CN 209754314 U CN209754314 U CN 209754314U CN 201920381023 U CN201920381023 U CN 201920381023U CN 209754314 U CN209754314 U CN 209754314U
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- CN
- China
- Prior art keywords
- battery module
- clamp plate
- pressing plate
- tongue
- pressing
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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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 238000003825 pressing Methods 0.000 claims description 75
- 238000009434 installation Methods 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery module busbar welding clamping device belongs to the frock clamp field. The utility model discloses a battery module busbar welding clamping device, including base, bracing piece, pressure spring, clamp plate, nut seat and clamp plate canceling release mechanical system, the bracing piece is vertical to be fixed on the base, and the clamp plate front portion is equipped with the bar spout, and the upper end of bracing piece is passed behind the bar spout with nut seat threaded connection, and the pressure spring cover is located on the bracing piece, and presss from both sides between base and clamp plate, has outside convex pressure tongue on the nut seat, and the middle part of clamp plate is equipped with foretell pressure tongue matched with boss, and clamp plate canceling release mechanical system locates between clamp plate and the base. The utility model discloses utilize the nut seat on the bracing piece to rotate and come the clamp plate that compresses down, utilize the tongue depressor on the nut seat to exert the effort that compresses tightly to the clamp plate, make the busbar clamp firm reliable to the rotatory push clamp plate backset of tongue depressor when utilizing to loosen, the clamp plate can move back from battery module top, the installation operation of the busbar of being convenient for when making to loosen.
Description
Technical Field
the utility model relates to a frock clamp, more specifically say, relate to a battery module busbar welding clamping device.
background
The lithium battery is an indispensable power supply in the field of green energy application at present, is widely applied to the application fields of wireless communication, traffic, aviation, electric power energy storage and the like, and brings great convenience to the life of people. The energy of the new energy electric automobile is a battery pack formed by connecting a large number of lithium batteries in series and parallel, according to different capacities of the battery pack, in order to realize series and parallel connection of a plurality of lithium batteries, a bus bar is generally adopted to laser weld the electrodes of the battery cells of each single lithium battery, and because the number of welding spots of the bus bar and the electrodes is large, the welding spot quality is reduced due to the position deviation of the bus bar in the welding process, and the welding efficiency is reduced.
for this reason, a special jig is required to fix the position of the bus bar on the battery module during the welding of the lithium battery pack. For example, the Chinese patent number ZL201510372654.1, the granted announcement date is 2015, 11 and 25, and the invention creation name is as follows: battery package busbar laser welding multiple spot welding clamping device, this application include bottom plate, punch holder and lower plate, and the side all is equipped with a perpendicular cylinder and a backup pad about the bottom plate, and the backup pad is located the inboard of perpendicular cylinder, and the side is installed respectively in two backup pads about the lower plate, and the side is installed respectively on two perpendicular cylinders about the punch holder, and the punch holder welds the punch holder for the laser that can pass through nitrogen gas. The lower plate is a tray, the left side and the right side of the tray are provided with upward surrounding edges, the front edge of the tray is provided with a notch, the left side and the right side below the tray are respectively provided with a horizontal cylinder, the horizontal cylinder is connected with a baffle plate which is vertically arranged, and the baffle plate is higher than the tray. This application has solved the tight problem of battery module busbar welding clamp to a certain extent, but its structural design is complicated, needs perpendicular cylinder and horizontal cylinder cooperation action to realize the fixed of busbar and battery module, has increased the preparation degree of difficulty and the operation degree of difficulty of anchor clamps, also has higher requirement to the structure precision of clamping device itself.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome the defects of complex structure, inconvenient operation and the like of the existing battery pack bus bar welding and clamping device, and provides a battery module bus bar welding and clamping device, which adopts the technical scheme of the utility model, a pressing plate is pressed down by utilizing the rotation of a nut seat on a support rod, a pressing force is exerted on the pressing plate by utilizing a pressing tongue on the nut seat, so that the bus bar is clamped firmly and reliably, and the pressing tongue rotates to push the pressing plate to move backwards when loosened, so that the pressing plate can move back from the upper part of the battery module when loosened, thereby facilitating the installation and operation of the bus bar; has the advantages of simple structure, flexible and convenient operation, etc.
2. technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
The utility model discloses a battery module busbar welding clamping device, including the base and locate the limit baffle of base one side, still include bracing piece, pressure spring, clamp plate, nut seat and clamp plate canceling release mechanical system, the bracing piece vertically fix on the base, the clamp plate front portion be equipped with the bar spout, the upper end of bracing piece pass behind the bar spout with nut seat threaded connection, the pressure spring cover locate on the bracing piece, and clamp between base and clamp plate, the nut seat on have outside convex pressure tongue, the middle part of clamp plate be equipped with the above-mentioned boss that matches of pressure tongue, clamp plate canceling release mechanical system locate between clamp plate and the base;
When in a pressing state, the pressing tongue is positioned at the front part of the pressing plate and presses the pressing plate; when the pressing plate is loosened, the nut seat drives the pressing tongue to rotate 180 degrees, and the pressing tongue moves upwards and pushes the boss to enable the pressing plate to move backwards.
Furthermore, the front part of the pressure tongue is arc-shaped, and one side of the front end surface of the boss matched with the pressure tongue is provided with a sliding guide arc surface convenient for pushing the pressure plate backwards.
Furthermore, the front end surface of the boss is also provided with a limit groove which is matched with the pressing tongue in a positioning way.
Furthermore, a gasket is arranged between the pressure spring and the pressure plate.
Furthermore, the nut seat is also provided with a handle which is convenient for rotating operation.
Furthermore, the pressure plate resetting mechanism comprises a guide rod and a tension spring, the guide rod is vertically fixed at the rear end of the pressure plate, the lower end of the guide rod is matched with the guide groove on the base, and the tension spring is arranged between the base and the guide rod; the groove direction of the guide groove is vertical to the limit baffle.
furthermore, the tension of the tension spring is smaller than the elastic force of the compression spring.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a battery module busbar welding clamping device, it utilizes the nut seat on the bracing piece to rotate and pushes down the clamp plate, utilizes the tongue depressor on the nut seat to exert the pressure application force to the clamp plate, makes the busbar clamp firm and reliable, and utilizes the tongue depressor rotation to promote the clamp plate to move back when loosening, makes the clamp plate can move back from the battery module top when loosening, the installation operation of the busbar of being convenient for; has the advantages of simple structure, flexible and convenient operation, and the like;
(2) The utility model discloses a battery module busbar welding clamping device, the front portion of its spatula is the arc, and the front end face of boss and spatula complex one side are equipped with the smooth cambered surface of leading of being convenient for push away the clamp plate backward, are convenient for the spatula to smoothly slide to the front end face of boss and promote the clamp plate to move backward, and the operation is light convenient; in addition, the front end face of the boss is also provided with a limiting groove which is matched with the pressing tongue in a positioning way, so that the pressing tongue is effectively prevented from being loosened when matched with the boss, and the matching stability of the pressing tongue and the boss is improved;
(3) the utility model discloses a battery module busbar welding clamping device, still be equipped with the gasket between its pressure spring and the clamp plate, reduced the direct friction between pressure spring and the clamp plate, improved the smooth and easy nature of clamp plate concertina movement;
(4) The utility model discloses a battery module busbar welding clamping device, still be equipped with the handle of the operation of being convenient for to rotate on its nut seat, the operation of the clamping device of being convenient for has improved the convenience of busbar clamping operation, and the operation is lighter convenient;
(5) The utility model discloses a battery module busbar welding clamping device, its clamp plate canceling release mechanical system include guide bar and extension spring, utilize extension spring pulling guide bar to realize the clamp plate and push down the time resetting, and the structure sets up simply, and the action reliability and stability that resets is high.
Drawings
fig. 1 is a schematic perspective view of a battery module bus welding clamping device according to the present invention;
Fig. 2 is a schematic side view of a battery module bus welding clamping device according to the present invention;
Fig. 3 is a schematic view of a pressing state of a battery module bus bar welding and clamping device according to the present invention;
Fig. 4 is a schematic diagram illustrating a loosening state of the welding clamping device for the battery module bus bar according to the present invention.
The reference numerals in the schematic drawings illustrate:
1. A base; 1-1, a limit baffle; 1-2, a guide groove; 2. a support bar; 3. a pressure spring; 4. pressing a plate; 4-1, boss; 4-2, a sliding guide arc surface; 4-3, a limiting groove; 4-4, a strip-shaped chute; 4-5, a gasket; 5. a guide bar; 6. a tension spring; 7. a nut seat; 7-1, pressing the tongue; 7-2, a handle; 8. a battery module; 9. a bus bar.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
Referring to fig. 1 to 4, the battery module bus bar welding and clamping device of the present embodiment includes a base 1, a support rod 2, a pressure spring 3, a pressure plate 4, a nut seat 7, and a pressure plate resetting mechanism, wherein one side of the base 1 is provided with a limit baffle 1-1, the base 1 is used for placing a battery module 8, and the limit baffle 1-1 is used for positioning the battery module 8; the supporting rod 2 is vertically fixed on the base 1, the strip-shaped sliding groove 4-4 is arranged in front of the pressing plate 4, the upper end of the supporting rod 2 penetrates through the strip-shaped sliding groove 4-4 and then is in threaded connection with the nut seat 7, the pressure spring 3 is sleeved on the supporting rod 2 and clamped between the base 1 and the pressing plate 4, the nut seat 7 can move up and down on the supporting rod 2 while rotating on the supporting rod 2, so that the pressing plate 4 is driven to press down or lift up, the nut seat 7 is in large-pitch threaded fit with the supporting rod 2, and the nut seat 7 can rotate by a small angle and has a large lifting height; the nut seat 7 is provided with a pressing tongue 7-1 which protrudes outwards, the middle part of the pressing plate 4 is provided with a boss 4-1 which is matched with the pressing tongue 7-1, and the pressing plate resetting mechanism is arranged between the pressing plate 4 and the base 1. When the pressing device is used and in a pressing state, the pressing tongue 7-1 is positioned at the front part of the pressing plate 4 and presses the pressing plate 4 downwards, the nut seat 7 and the pressing tongue 7-1 thereon provide downward pressure for the pressing plate 4 to press the bus bar 9 on the battery module 8, and the pressing is firm and stable; when the battery module 8 is loosened, the nut seat 7 drives the pressing tongue 7-1 to rotate 180 degrees, the nut seat 7 is lifted upwards when rotating clockwise in the figure, the pressing plate 4 is lifted upwards under the action of the pressure spring 3, the pressing tongue 7-1 pushes the boss 4-1 to enable the pressing plate 4 to move backwards when moving upwards, and therefore the front end of the pressing plate 4 can be separated from the upper part of the battery module 8 when the battery module 8 is loosened, and the installation operation of the bus bar 9 on the battery module 8 is facilitated.
as shown in figures 1 and 3, in this embodiment, in order to ensure the stable fit of the pressure tongue 7-1 and the boss 4-1, the front part of the pressure tongue 7-1 is preferably designed to be arc-shaped, a sliding guide arc surface 4-2 for pushing the pressure plate 4 backwards is arranged on the side where the front end surface of the boss 4-1 is matched with the pressure tongue 7-1, and the pressure tongue 7-1 can smoothly slide onto the front end surface of the boss 4-1 by using the sliding guide arc surface 4-2 to push the pressure plate 4 backwards, so that the operation is easy and convenient. In addition, the front end face of the boss 4-1 is also provided with a limiting groove 4-3 which is matched with the pressure tongue 7-1 in a positioning way, so that the pressure tongue 7-1 is effectively prevented from being loosened when matched with the boss 4-1, and the matching stability of the pressure tongue 7-1 and the boss 4-1 is improved. As shown in fig. 2, in this embodiment, a spacer 4-5 is further disposed between the compression spring 3 and the pressing plate 4, so that direct friction between the compression spring 3 and the pressing plate 4 is reduced, and smoothness of the stretching movement of the pressing plate 4 is improved. In order to facilitate the operation, the nut seat 7 is also provided with a handle 7-2 which is convenient for rotating operation, so that the convenience of the clamping operation of the bus bar is improved, and the operation is easier and more convenient. In addition, as shown in fig. 1, 3 and 4, in this embodiment, the pressing plate resetting mechanism includes a guide rod 5 and a tension spring 6, the guide rod 5 is vertically fixed at the rear end of the pressing plate 4, the lower end of the guide rod 5 is matched with a guide groove 1-2 on the base 1, the groove direction of the guide groove 1-2 is perpendicular to the limiting baffle 1-1, the guide rod 5 can slide in the guide groove 1-2 and can move up and down, and the tension spring 6 is installed between the base 1 and the guide rod 5, so as to facilitate forward resetting when the pressing plate 4 is driven to compress. By adopting the pressure plate resetting mechanism, the tension spring 6 is utilized to pull the guide rod 5 to reset when the pressure plate 4 is pressed down, the structure is simple to set, and the resetting action is stable and reliable. In addition, in this embodiment, the tension of the tension spring 6 is preferably smaller than the elastic force of the pressure spring 3, the acting force of the tension spring 6 only needs to ensure that the pressure plate 4 can reset forwards, and the tension spring 6 with small tension also reduces the instability of the pressure plate 4 during the forward and backward movement.
In order to further understand the technical solution of the present invention, it is right to combine fig. 3 and fig. 4 now that the working process of a battery module busbar welding clamping device of the present invention is further illustrated.
As shown in fig. 3, in the pressed state, the pressing tongue 7-1 faces forward and presses the front end of the pressing plate 4, at this time, due to the action of the tension spring 6, the pressing plate 4 is in a forward extended state and presses on the bus bar 9 of the battery module 8, so that the bus bar 9 is firmly fixed, and the subsequent laser welding is facilitated. As shown in figure 4, when loosening, the operating handle 7-2 rotates clockwise by 180 degrees, at the moment, the nut seat 7 moves upwards while rotating, the pressing plate 4 is lifted upwards under the action of the pressure spring 3, the bus bar 9 is loosened, meanwhile, the pressing tongue 7-1 rotates to the rear part and is matched with the front end surface of the boss 4-1 on the pressing plate 4, the pressing plate 4 is pushed to move backwards for a certain distance, and loosening action is completed.
the utility model discloses a battery module busbar welding clamping device, utilize the nut seat on the bracing piece to rotate and push down the clamp plate, utilize the tongue depressor on the nut seat to exert the pressure on the clamp plate and compress tightly the effort, make the busbar clamp firm and reliable, and utilize the tongue depressor to rotate and promote the clamp plate to move back when loosening, make the clamp plate can move back from the battery module top when loosening, the installation operation of the busbar of being convenient for; has the advantages of simple structure, flexible and convenient operation, etc.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a battery module busbar welding clamping device, includes base (1) and locating limit baffle (1-1) of base (1) one side, its characterized in that: the pressing device is characterized by further comprising a supporting rod (2), a pressure spring (3), a pressing plate (4), a nut seat (7) and a pressing plate resetting mechanism, wherein the supporting rod (2) is vertically fixed on the base (1), a strip-shaped sliding groove (4-4) is formed in the front of the pressing plate (4), the upper end of the supporting rod (2) penetrates through the strip-shaped sliding groove (4-4) and then is in threaded connection with the nut seat (7), the pressure spring (3) is sleeved on the supporting rod (2) and clamped between the base (1) and the pressing plate (4), an outward convex pressing tongue (7-1) is arranged on the nut seat (7), a boss (4-1) matched with the pressing tongue (7-1) is arranged in the middle of the pressing plate (4), and the pressing plate resetting mechanism is arranged between the pressing plate (4) and the base (1);
When in a pressing state, the pressing tongue (7-1) is positioned at the front part of the pressing plate (4) and presses the pressing plate (4) downwards; when the clamping device is loosened, the nut seat (7) drives the pressing tongue (7-1) to rotate 180 degrees, and the pressing tongue (7-1) moves upwards and pushes the boss (4-1) to enable the pressing plate (4) to move backwards.
2. The battery module bus bar welding and clamping device of claim 1, wherein: the front part of the pressure tongue (7-1) is arc-shaped, and one side of the front end surface of the boss (4-1) matched with the pressure tongue (7-1) is provided with a sliding guide arc surface (4-2) convenient for pushing the pressure plate (4) backwards.
3. The battery module bus bar welding and clamping device of claim 2, wherein: the front end surface of the boss (4-1) is also provided with a limit groove (4-3) which is matched with the pressure tongue (7-1) in a positioning way.
4. the battery module bus bar welding and clamping device of claim 3, wherein: and a gasket (4-5) is also arranged between the pressure spring (3) and the pressure plate (4).
5. The battery module bus bar welding and clamping device of claim 4, wherein: the nut seat (7) is also provided with a handle (7-2) which is convenient for rotating operation.
6. The battery module bus bar welding jig device according to any one of claims 1 to 4, wherein: the pressing plate resetting mechanism comprises a guide rod (5) and a tension spring (6), the guide rod (5) is vertically fixed at the rear end of the pressing plate (4), the lower end of the guide rod (5) is matched with a guide groove (1-2) on the base (1), and the tension spring (6) is installed between the base (1) and the guide rod (5); the groove direction of the guide groove (1-2) is vertical to the limiting baffle (1-1).
7. The battery module bus bar welding and clamping device of claim 6, wherein: the tension of the tension spring (6) is smaller than the elasticity of the pressure spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381023.XU CN209754314U (en) | 2019-03-25 | 2019-03-25 | Battery module busbar welding clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381023.XU CN209754314U (en) | 2019-03-25 | 2019-03-25 | Battery module busbar welding clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754314U true CN209754314U (en) | 2019-12-10 |
Family
ID=68756094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920381023.XU Expired - Fee Related CN209754314U (en) | 2019-03-25 | 2019-03-25 | Battery module busbar welding clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209754314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113965A (en) * | 2021-11-25 | 2022-03-01 | 扬州扬杰电子科技股份有限公司 | High-efficient testing arrangement of many specifications electronic packaging product |
-
2019
- 2019-03-25 CN CN201920381023.XU patent/CN209754314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113965A (en) * | 2021-11-25 | 2022-03-01 | 扬州扬杰电子科技股份有限公司 | High-efficient testing arrangement of many specifications electronic packaging product |
| CN114113965B (en) * | 2021-11-25 | 2024-05-24 | 扬州扬杰电子科技股份有限公司 | High-efficiency testing device for multi-specification electronic packaging products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |