CN218904105U - Compressing tool and compressing equipment for welding battery pole piece - Google Patents
Compressing tool and compressing equipment for welding battery pole piece Download PDFInfo
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- CN218904105U CN218904105U CN202222263105.9U CN202222263105U CN218904105U CN 218904105 U CN218904105 U CN 218904105U CN 202222263105 U CN202222263105 U CN 202222263105U CN 218904105 U CN218904105 U CN 218904105U
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- copper sleeve
- sleeve
- battery pole
- compaction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of battery production equipment, in particular to a compression tool and compression equipment for welding battery pole pieces, and aims to solve the problems that short circuits are easy to occur and cleaning and maintenance are not easy to carry out when a bar piece is welded by the existing compression tool. For this purpose, the compressing tool comprises a stroke mechanism and a compressing mechanism, wherein the stroke mechanism is connected with the compressing mechanism and can drive the compressing mechanism to move along the vertical direction, the compressing mechanism comprises an insulating component and a copper sleeve component, the insulating component is fixed to the bottom of the stroke mechanism, and the copper sleeve component is arranged in the insulating component; the copper sleeve assembly comprises an upper copper sleeve and a lower copper sleeve, and the upper copper sleeve is detachably connected with the lower copper sleeve through a plug structure. In the compaction tool disclosed by the utility model, the insulation component plays a role in insulation protection, so that the occurrence of short circuit of a battery cell is avoided; the lower copper sleeve and the upper copper sleeve can be disassembled, so that the lower copper sleeve can be conveniently disassembled, cleaned and replaced.
Description
Technical Field
The utility model relates to the technical field of battery production equipment, and particularly provides a compression tool and compression equipment for welding battery pole pieces.
Background
At present, in the battery production process, before the tab is welded with the pole of the battery core, the tab and the pole need to be compressed to ensure the welding effect.
In the prior art, after a large cylindrical battery is assembled into a battery pack, the height difference of the positive electrode and the negative electrode of the battery core is large, in order to ensure the welding yield, the tabs are fully pressed by a welding tool, the distance between adjacent cylindrical batteries is smaller, and the risk of short circuit is easy to occur. Moreover, the welding tool is easy to splash by laser welding during welding, pollution is caused, cleaning and maintenance are not easy to realize, modularization is not easy to form when the welding tool is used alone, and welding efficiency is low.
Therefore, how to provide a pressing tool or pressing device for welding a battery pole piece to improve welding efficiency is a problem to be solved.
Disclosure of Invention
The utility model aims to solve the technical problems that short circuit is easy to occur and cleaning and maintenance are not easy to perform when the existing compaction tool is used for welding the tabs.
The utility model provides a compressing tool for welding battery pole pieces, which comprises a travel mechanism and a compressing mechanism, wherein the travel mechanism is connected with the compressing mechanism and can drive the compressing mechanism to move in the vertical direction, the compressing mechanism comprises an insulating assembly and a copper sleeve assembly, the insulating assembly is fixed to the bottom of the travel mechanism, and the copper sleeve assembly is arranged in the insulating assembly; the copper sleeve assembly comprises an upper copper sleeve and a lower copper sleeve, and the upper copper sleeve is detachably connected with the lower copper sleeve through a plug structure.
Under the condition of adopting the technical scheme, the insulating component plays a role in insulating protection, so that the problem of short circuit of the battery core is avoided; the lower copper bush can be quickly plugged and pulled out, and the lower copper bush is convenient to detach, clean and replace.
In the specific implementation mode of the pressing tool for welding the battery pole piece, the plug structure comprises a fixed connecting piece and an opening arranged on the upper copper sleeve and the lower copper sleeve, and the fixed connecting piece penetrates through the opening to fix the upper copper sleeve and the lower copper sleeve.
Under the condition of adopting the technical scheme, the upper copper sleeve and the lower copper sleeve can be conveniently and rapidly installed or detached through the insertion or the extraction of the fixed connecting piece.
In the specific embodiment of the pressing tool for welding the battery pole piece, the plugging structure further comprises a through hole arranged on the insulating assembly and used for the fixed connecting piece to pass through, so that the lower copper sleeve can be detached without detaching the insulating assembly.
Under the condition of adopting the technical scheme, the through hole is arranged on the insulating component and is used for the fixed connecting piece to pass through, so that the subsequent disassembly and installation of the lower copper sleeve are convenient.
In the specific embodiment of the pressing tool for welding the battery pole piece, the travel mechanism comprises a driving device and a connecting frame, wherein the driving device is fixed with the connecting frame, and the insulating assembly is fixed to the bottom of the connecting frame.
Under the condition of adopting the technical scheme, the insulating component can be arranged at any place at the bottom of the connecting frame, so that the compaction work of the adaptive battery is facilitated.
In the specific embodiment of the pressing tool for welding the battery pole piece, the insulating assembly comprises a guide insulating sleeve and an insulating plate, wherein the guide insulating sleeve and the insulating plate are connected with each other or are integrally formed, the guide insulating sleeve is sleeved outside the copper sleeve assembly, and the insulating plate is fixed to the bottom of the connecting frame.
Under the condition of adopting the technical scheme, the guide insulation sleeve insulates the side face of the copper sleeve assembly, the insulation plate insulates the upper part of the copper sleeve assembly, the insulation area coverage rate is sufficient, the insulation effect is good, and the short circuit of the battery cell is avoided to the greatest extent.
In the specific implementation mode of the pressing tool for welding the battery pole piece, an elastic telescopic piece is arranged between the copper sleeve component and the insulating plate, and the copper sleeve component is arranged in the guide insulating sleeve in a vertically floating mode through the elastic telescopic piece.
Under the condition of adopting the technical scheme, the copper sleeve assembly can float up and down through the elastic telescopic piece, so that the bar can be better pressed, and the welding yield is improved.
In the specific implementation mode of the pressing tool for welding the battery pole piece, the elastic telescopic piece comprises a shaft sleeve and a spring, the shaft sleeve is fixed with the insulating plate, the spring is sleeved outside the shaft sleeve, the top end of the spring is fixed with the shaft sleeve, and the bottom end of the spring is fixed with the upper copper sleeve.
Under the condition of adopting the technical scheme, the copper bush assembly can float up and down along the shaft sleeve, the shaft sleeve provides a guiding effect of floating up and down along the vertical direction, simultaneously, the top of the spring is fixed with the shaft sleeve, the bottom of the spring is fixed with the upper copper bush, the limit of the top and the bottom of the elastic piece is realized, the lateral support is sufficient, and the elastic telescopic effect is good.
In the specific implementation mode of the pressing tool for welding the battery pole piece, the stroke mechanism further comprises a stroke adjusting device, the stroke adjusting device comprises a stroke rod support, a stroke adjusting rod and a limiting plate, the stroke adjusting rod penetrates through the stroke rod support to be connected with the connecting frame, and the limiting plate is arranged above the stroke rod support.
Under the condition of adopting the technical scheme, the travel adjusting rod is matched with the limiting plate to be used, the travel of the sliding rail cylinder is adjusted, the pressing mechanism is ensured to move in the vertical direction and move in a controllable range, and the welding of the battery cells and the tabs at different heights is compatible.
In the specific implementation mode of the pressing tool for welding the battery pole piece, the driving device is a sliding rail cylinder.
Under the condition of adopting the technical scheme, the vertical direction movement is realized by arranging mechanical structures such as the sliding rail, the sliding groove, the linear bearing, the motor and the like relatively, and the structure of the sliding rail cylinder is simple and simpler to directly use.
In another aspect, the utility model provides a compression device for welding battery pole pieces, which comprises an adapter plate and a plurality of compression tools arranged on the adapter plate side by side and used for welding the battery pole pieces.
Under the condition of adopting the technical scheme, the compaction of a plurality of battery core polar posts can be realized simultaneously through one set of equipment, so that the compaction times are reduced, and the welding efficiency is improved.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a compaction tool for welding battery pole pieces of the present utility model;
FIG. 2 is a schematic structural view of a travel mechanism of the compaction tool of the present utility model;
FIG. 3 is a schematic structural view of a pressing mechanism of the pressing tool of the present utility model;
FIG. 4 is a schematic view of the installation of the elastic telescoping member of the compaction tool of the present utility model;
fig. 5 is a schematic view of the state of use of the compacting apparatus of the utility model.
List of reference numerals:
1. a travel mechanism; 1-1, a sliding rail cylinder; 1-2, a travel bar support; 1-3, a stroke adjusting rod;
1-4, limiting plates;
2. a compressing mechanism; 2-1, guiding an insulating sleeve; 2-2, insulating board; 2-3, coating a copper sleeve;
2-4, lower copper sleeve; 2-5, introducing nitrogen into the channel;
3. a connecting frame; 3-1, connecting plates; 3-2, reinforcing plates; 3-3, a bottom plate;
4. an adapter plate;
5. an elastic expansion piece; 5-1, shaft sleeve; 5-2, a spring.
Detailed Description
Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings in conjunction with a cylindrical battery. However, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art will be able to adapt them to a particular application without departing from the principles of the present utility model. For example, although described in the specification with respect to cylindrical batteries, the utility model is obviously applicable to tab and battery anode-cathode welding, and thus may be applied to other types of batteries, such as prismatic batteries, etc.
It should be noted that, in the description of the present utility model, terms such as "below," "downward," "above," "bottom," "top," "bottom," and the like indicate directional or positional relationships, and are based on the directional or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the relevant devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
First, referring to fig. 1, the pressing tool for welding a battery pole piece of the present utility model includes a travel mechanism 1 and a pressing mechanism 2, where the travel mechanism 1 can drive the pressing mechanism 2 to move along a vertical direction.
Wherein, travel mechanism 1 includes drive arrangement and link 3, optimally, drive arrangement is slide rail cylinder 1-1, and slide rail cylinder 1-1 passes through link 3 and links to each other with hold-down mechanism 2.
It should be noted that although the slide cylinder 1-1 is described herein, this is not a limitation, and the driving device of the travel mechanism 1 may be other structures capable of moving in a vertical direction, such as a screw-nut mechanism, a slide block mechanism, etc., and such a specific form of adjustment of the driving device does not deviate from the basic principle of the present utility model, and therefore, it falls within the scope of the present utility model.
With continued reference to FIG. 1, the connecting frame 3 comprises a connecting plate 3-1, a reinforcing plate 3-2 and a bottom plate 3-3, wherein the connecting plate 3-1 is vertically arranged, the bottom plate 3-3 is horizontally arranged, the bottom plate 3-3 is arranged below the connecting plate 3-1, the reinforcing plate 3-2 is connected with the front side surface of the connecting plate 3-1 and the upper surface of the bottom plate 3-3, meanwhile, the rear side surface of the connecting plate 3-1 is connected with the output end of the sliding rail cylinder 1-1, and a pressing mechanism 2 is arranged at the bottom of the bottom plate 3-3. Correspondingly, when the slide rail cylinder 1-1 acts, the connecting frame 3 drives the pressing mechanism 2 to move up and down together.
It should be noted that, although the connection frame 3 is described herein as including the connection plate 3-1, the reinforcement plate 3-2 and the bottom plate 3-3, this is not limitative, but the connection frame 3 may be an integral structure provided with only the bottom plate 3-3 and the connection plate 3-1, or only the bottom plate 3-3, the bottom plate 3-3 being directly connected to the slide rail cylinder 1-1, as long as it can drive the pressing mechanism 2 to move up and down together under the action of the slide rail cylinder 1-1.
With continued reference to fig. 2, the travel mechanism 1 further includes a travel bar support 1-2, a travel adjusting bar 1-3, and a limiting plate 1-4, the travel bar support 1-2 is fixedly connected with a side wall of the slide rail cylinder 1-1, the limiting plate 1-4 is connected to the side wall of the slide rail cylinder 1-1 in a manner of being capable of moving up and down, the limiting plate 1-4 is arranged above the travel bar support 1-2, the travel adjusting bar 1-3 is arranged in the travel bar support 1-2 in a penetrating manner, and the travel adjusting bar 1-3 is connected with the connecting plate 3-1.
In the working process, the travel adjusting rod 1-3 moves up and down in the travel rod support 1-2, and the travel of the slide rail cylinder 1-1 can be adjusted by adjusting the height of the limiting plate 1-4 on the side wall of the slide rail cylinder 1-1, so that the cylindrical battery cells with different heights are compatible, and the welding of the cylindrical battery cells with different heights and the tabs is realized. It should be noted that the height of the limiting plate 1-4 on the side wall of the slide rail cylinder 1-1 can be adjusted in various ways, such as screw tightening, latch locking, etc., which the present utility model is not limited to.
With continued reference to fig. 3, the pressing mechanism 2 comprises an insulation assembly and a copper sleeve assembly, the insulation assembly comprises a guide insulation sleeve 2-1 and an insulation plate 2-2, the guide insulation sleeve 2-1 is sleeved outside the copper sleeve assembly, the guide insulation sleeve 2-1 is fixedly connected with the insulation plate 2-2 and is arranged below the insulation plate 2-2, and the top of the insulation plate 2-2 is fixed with the bottom surface of the bottom plate 3-3 of the connecting frame 3.
The copper sleeve assembly comprises an upper copper sleeve 2-3 and a lower copper sleeve 2-4, and the lower part of the upper copper sleeve 2-3 is connected with the lower copper sleeve 2-4 through a plug structure. The plug structure comprises openings (not shown) arranged on the upper copper bush 2-3 and the lower copper bush 2-4, and a fixed connecting piece (not shown) for matching plug fixation, wherein the fixed connecting piece can be a jackscrew or a locating pin.
In order to facilitate the disassembly of the lower copper bush 2-4, a through hole (not shown in the figure) may be formed in the guide insulating bush 2-1, and the through hole is used for the fixed connecting piece to pass through, so that the lower copper bush 2-4 can be assembled and disassembled without disassembling the guide insulating bush 2-1.
With continued reference to fig. 3, a nitrogen inlet channel 2-5 is also provided on the lower copper sleeve 2-4 for introducing nitrogen during subsequent welding operations.
With continued reference to fig. 3 and 4, the compressing tool for welding the battery pole piece of the utility model further comprises an elastic telescopic piece 5, wherein the elastic telescopic piece 5 comprises a shaft sleeve 5-1 and a spring 5-2, the shaft sleeve 5-1 is fixed with the bottom surface of the insulating plate 2-2, the spring 5-2 is sleeved outside the shaft sleeve 5-1, the top end of the spring 5-2 is fixed with the top end of the shaft sleeve 5-1, or the top end of the spring 5-2 is fixed with the bottom of the insulating plate 2-2, and the bottom end of the spring 5-2 is fixed with the upper copper sleeve 2-3.
When the welding device works, the lower copper bush 2-4 compresses the tabs and the positive and negative electrodes, the spring 5-2 is compressed, and at the moment, the spring 5-2 generates downward force, so that the lower copper bush 2-4 is tightly attached to the tabs and the positive and negative electrodes, and the welding yield is improved.
Referring to fig. 5, the present utility model also provides an integrated compaction apparatus including an adapter plate 4 and a plurality of compaction tools, which may be the compaction tools shown in fig. 1-4, fixed to the adapter plate 4. Correspondingly, the compaction equipment can simultaneously compact a plurality of battery core polar columns and weld, so that the compaction times are reduced, and the welding efficiency is improved.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. A compaction tool for welding a battery pole piece, which is characterized by comprising a travel mechanism (1) and a compaction mechanism (2), wherein the travel mechanism (1) is connected with the compaction mechanism (2) and can drive the compaction mechanism (2) to move in the vertical direction, the compaction mechanism (2) comprises an insulation component and a copper sleeve component, the insulation component is fixed to the bottom of the travel mechanism (1), and the copper sleeve component is arranged in the insulation component;
the copper sleeve assembly comprises an upper copper sleeve (2-3) and a lower copper sleeve (2-4), and the upper copper sleeve (2-3) is detachably connected with the lower copper sleeve (2-4) through a plug structure.
2. The pressing tool for welding battery pole pieces according to claim 1, wherein the plug structure comprises a fixed connecting piece and an opening arranged on the upper copper sleeve (2-3) and the lower copper sleeve (2-4), and the fixed connecting piece penetrates through the opening to fix the upper copper sleeve (2-3) and the lower copper sleeve (2-4).
3. The pressing tool for welding battery pole pieces according to claim 2, wherein the insertion and extraction structure further comprises a through hole provided on the insulating assembly for the fixed connecting piece to pass through, so that the lower copper sleeve (2-4) can be disassembled without disassembling the insulating assembly.
4. A compaction fixture for welding battery pole pieces according to any one of claims 1 to 3, wherein the travel mechanism comprises a drive means and a connection frame (3), the drive means being fixed to the connection frame (3), the insulation assembly being fixed to the bottom of the connection frame (3).
5. The pressing tool for welding battery pole pieces according to claim 4, wherein the insulating assembly comprises a guide insulating sleeve (2-1) and an insulating plate (2-2) which are connected with each other or integrally formed, the guide insulating sleeve (2-1) is sleeved outside the copper sleeve assembly, and the insulating plate (2-2) is fixed to the bottom of the connecting frame (3).
6. The pressing tool for welding battery pole pieces according to claim 5, wherein an elastic telescopic piece (5) is arranged between the copper sleeve component and the insulating plate (2-2), and the copper sleeve component is arranged in the guide insulating sleeve (2-1) in a vertically floating mode through the elastic telescopic piece (5).
7. The compression tool for welding the battery pole pieces according to claim 6, wherein the elastic telescopic piece comprises a shaft sleeve (5-1) and a spring (5-2), the shaft sleeve (5-1) is fixed with the insulating plate (2-2), the spring (5-2) is sleeved outside the shaft sleeve (5-1), the top end of the spring (5-2) is fixed with the shaft sleeve (5-1), and the bottom end of the spring (5-2) is fixed with the upper copper sleeve (2-3).
8. The pressing tool for welding battery pole pieces according to claim 4, wherein the stroke mechanism further comprises a stroke adjusting device, the stroke adjusting device comprises a stroke rod support (1-2), a stroke adjusting rod (1-3) and a limiting plate (1-4), the stroke adjusting rod (1-3) penetrates through the stroke rod support (1-2) to be connected with the connecting frame (3), and the limiting plate (1-4) is arranged above the stroke rod support (1-2).
9. The pressing tool for welding battery pole pieces according to claim 4, wherein the driving device is a slide rail cylinder (1-1).
10. A compaction apparatus for welding battery pole pieces, characterized in that the compaction apparatus comprises an adapter plate (4) and a plurality of compaction tools arranged side by side on the adapter plate (4), the compaction tools being the compaction tool according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222263105.9U CN218904105U (en) | 2022-08-26 | 2022-08-26 | Compressing tool and compressing equipment for welding battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222263105.9U CN218904105U (en) | 2022-08-26 | 2022-08-26 | Compressing tool and compressing equipment for welding battery pole piece |
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| Publication Number | Publication Date |
|---|---|
| CN218904105U true CN218904105U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222263105.9U Active CN218904105U (en) | 2022-08-26 | 2022-08-26 | Compressing tool and compressing equipment for welding battery pole piece |
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| CN (1) | CN218904105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493831A (en) * | 2023-06-28 | 2023-07-28 | 江苏时代新能源科技有限公司 | Pushing component, fixing structure, welding device and battery processing equipment |
-
2022
- 2022-08-26 CN CN202222263105.9U patent/CN218904105U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493831A (en) * | 2023-06-28 | 2023-07-28 | 江苏时代新能源科技有限公司 | Pushing component, fixing structure, welding device and battery processing equipment |
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