CN219739027U - Lamination device - Google Patents
Lamination device Download PDFInfo
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- CN219739027U CN219739027U CN202320970365.1U CN202320970365U CN219739027U CN 219739027 U CN219739027 U CN 219739027U CN 202320970365 U CN202320970365 U CN 202320970365U CN 219739027 U CN219739027 U CN 219739027U
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- lamination
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- pole piece
- positioning
- negative electrode
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- 238000003475 lamination Methods 0.000 title claims abstract description 186
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a lamination device which at least comprises a positioning table and a lamination table. The two positioning tables are respectively a first positioning table for positioning and bearing the negative pole piece and a second positioning table for positioning and bearing the positive pole piece. The two sides of the first positioning table are respectively provided with a first negative electrode station and a second negative electrode station, and the two sides of the second positioning table are respectively provided with a first positive electrode station and a second positive electrode station. The two lamination platforms are respectively a first lamination platform and a second lamination platform, and the two lamination platforms are arranged on two sides of the positioning platform in a staggered manner; the first lamination stage reciprocates between the first cathode station and the first anode station, and the second lamination stage reciprocates between the second anode station and the second cathode station. In the technical scheme provided by the utility model, the lamination device provided by the embodiment of the utility model comprises the first lamination table and the second lamination table which are arranged on the two sides of the positioning table in a staggered way, and the battery pole pieces are respectively laminated through the first lamination table and the second lamination table, so that the lamination efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of battery core lamination, in particular to a lamination device.
Background
Along with the rapid development of new energy electric vehicles, the demand of the automobile industry for lithium batteries is increasing, and in the manufacturing process of lithium batteries, a lamination device is generally adopted to stack a positive electrode plate, a diaphragm and a negative electrode plate at intervals to form a battery cell.
At present, the lamination device only has one lamination table, and lamination efficiency is low.
Disclosure of Invention
The utility model provides a lamination device which is used for solving the problem that the existing lamination device is low in lamination efficiency due to the fact that only one lamination table is included.
In one aspect of the present utility model, there is provided a lamination device including:
the positioning tables are two, the two positioning tables are a first positioning table and a second positioning table respectively, and the two positioning tables are arranged along a first direction;
the first positioning table is used for positioning and bearing the negative pole piece, and the second positioning table is used for positioning and bearing the positive pole piece; a first side of the first positioning table is provided with a first negative electrode station, and a second side of the first positioning table is provided with a second negative electrode station; the first side of the second positioning table is provided with a first positive electrode station, the second side of the second positioning table is provided with a second positive electrode station, and the first side and the second side are two sides of the positioning table which are oppositely arranged;
the lamination platforms are two, the two lamination platforms are a first lamination platform and a second lamination platform respectively, and the two lamination platforms are arranged on two sides of the positioning platform in a staggered manner; wherein the first lamination stage reciprocates between the first negative electrode station and the first positive electrode station, and the second lamination stage reciprocates between the second positive electrode station and the second negative electrode station; and when the first lamination stage is at the first negative electrode station, the second lamination stage is at the second positive electrode station; when the first lamination table is at the first positive electrode station, the second lamination table is at the second negative electrode station;
the manipulator is used for transferring the negative pole piece positioned and supported on the first positioning table and the positive pole piece positioned and supported on the second positioning table to the first lamination table and the second lamination table according to a preset program; and
and the diaphragm unreeling device is matched with the two lamination tables for use, so that the diaphragm is unreeled in the reciprocating movement process of the two lamination tables and is arranged between the adjacent stacked negative pole piece and positive pole piece.
In the technical scheme provided by the utility model, the lamination device comprises the first lamination table and the second lamination table which are arranged on two sides of the positioning table in a staggered manner, and the battery pole pieces are respectively laminated through the first lamination table and the second lamination table, so that the lamination efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a cell lamination structure according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a first state of a lamination device structure according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a second state of a lamination device structure according to an embodiment of the present utility model.
In the figure: 1. a positive electrode sheet; 2. a negative electrode plate; 3. a diaphragm; 41. a first positioning table; 411. a first negative electrode station; 412. a second negative electrode station; 42. a second positioning table; 421. a first positive electrode station; 422. a second positive electrode station; 51. a first lamination station; 52. a second lamination station; 71. a first diaphragm unreeling device; 72. a second diaphragm unreeling device; 81. a negative electrode unreeling device; 82. and the positive electrode unreeling device.
Detailed Description
The utility model is further described in detail below by means of the figures and examples. The features and advantages of the present utility model will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
In addition, the technical features described below in the different embodiments of the present utility model may be combined with each other as long as they do not collide with each other.
In order to facilitate understanding of the lamination device provided by the embodiment of the present utility model, first, an application scenario of the lamination device is described, as shown in fig. 1, the lamination device is used for stacking the positive electrode plate 1, the separator 3 and the negative electrode plate 2 to form a battery cell. The diaphragm 3 is positioned between the positive pole piece 1 and the negative pole piece 2 and is used for isolating the positive pole piece 1 and the negative pole piece 2. During manufacturing, the positive electrode plate 1, the negative electrode plate 2 and the diaphragm 3 are stacked through a lamination device to form a battery cell.
Lamination devices of the prior art generally include only one lamination station and are relatively slow in cell lamination efficiency. Therefore, the embodiment of the utility model provides a lamination device which is used for solving the problem that the existing lamination device is low in lamination efficiency due to the fact that only one lamination table is included.
Reference is made to fig. 2 and 3 together. Fig. 2 is a schematic structural diagram of a first state of a lamination device structure provided by an embodiment of the present utility model, and fig. 3 is a schematic structural diagram of a second state of the lamination device structure provided by the embodiment of the present utility model. The embodiment of the utility model provides a lamination device which comprises a positioning table, a lamination table, a mechanical arm and a diaphragm unreeling device.
Wherein, the positioning tables are two, the two positioning tables are a first positioning table 41 and a second positioning table 42 respectively, and the first positioning table 41 and the second positioning table 42 are arranged along the first direction. The first direction is any direction perpendicular to the height direction of the first positioning table 41, and the specific direction may be set by the actual scene.
As shown in fig. 2 and 3, a coordinate system is established for convenience of description. Wherein the first direction is the X-axis direction. In the embodiment of the present utility model, the first positioning stage 41 and the second positioning stage 42 are arranged in the X direction.
The first positioning table 41 is used for positioning and bearing the negative electrode pole piece 2, and the second positioning table 42 is used for positioning and bearing the positive electrode pole piece 1. In some alternative embodiments, the number of the first positioning tables 41 and the number of the second positioning tables 42 are respectively plural, and the plural first positioning tables 41 and the plural second positioning tables 42 are arranged along the X direction. The first positioning tables 41 can be used for positioning and bearing the negative pole pieces 2, the second positioning tables 42 can be used for positioning and bearing the positive pole pieces 1, and the number of the positive pole pieces 1 and the negative pole pieces 2 accommodated in the positioning tables can be increased by arranging the first positioning tables 41 and the second positioning tables 42.
In the embodiment of the utility model, the number of the first positioning tables 41 and the second positioning tables 42 is four, and a single first positioning table 41 is used for positioning and bearing a single negative electrode pole piece 2, and a single second positioning table 42 is used for positioning and bearing a single positive electrode pole piece 1.
The first side of the first positioner 41 has a first negative electrode station 411 and the second side of the first positioner 41 has a second negative electrode station 412. Wherein the first negative electrode station 411 and the second negative electrode station 412 are illustrated in fig. 2 and 3 by dashed frame lines, respectively. The first side of the second positioning stage 42 has a first positive electrode station 421 and the second side of the second positioning stage 42 has a second positive electrode station 422. The first positive electrode station 421 and the second positive electrode station 422 are illustrated with dashed frame lines in fig. 2 and 3, respectively. The first side and the second side are two opposite sides of the positioning table, namely, the first side and the second side are positioned on two opposite sides of the positioning table along the Y direction.
It should be understood that the positioning table is a common mechanism in the technical field of battery core lamination, the specific structure of the positioning table is not limited, and the positioning table can be used for positioning and bearing the positive pole piece 1 or the negative pole piece 2.
The number of lamination platforms is two, the two lamination platforms are respectively a first lamination platform 51 and a second lamination platform 52, and the two lamination platforms are arranged on two sides of the positioning platform in a staggered mode, namely the first lamination platform 51 and the second lamination platform 52 are arranged on two sides of the positioning platform in a staggered mode along the Y direction. Wherein the first lamination stage 51 reciprocates between the first negative electrode station 411 and the first positive electrode station 421 and the second lamination stage 52 reciprocates between the second positive electrode station 422 and the second negative electrode station 412.
The offset positioning of the first lamination stage 51 and the second lamination stage 52 offset in both sides of the positioning stage, it being understood that when the first lamination stage 51 is moved from the first negative electrode station 411 toward the first positive electrode station 421, the second lamination stage 52 is moved from the second positive electrode station 422 toward the first negative electrode station 411; as the first lamination stage 51 is moved by the first positive electrode station 421 toward the first negative electrode station 411, the second lamination stage 52 is moved by the second negative electrode station 412 toward the second positive electrode station 422.
Further, when the first lamination station 51 is in the first negative station 411, the second lamination station 52 is in the second positive station 422. At this point, the lamination device is in a first state as shown in fig. 2. When the first lamination station 51 is in the first positive station 421, the second lamination station 52 is in the second negative station 412. At this point, the lamination device is in a second state as shown in fig. 3.
It should be understood that the lamination stage is a common mechanism in the field of cell lamination, and the present utility model does not limit the specific structure of the lamination stage.
In the embodiment of the present utility model, the first lamination stage 51 linearly reciprocates between the first negative electrode station 411 and the first positive electrode station 421 in the X direction, and the second lamination stage 52 linearly reciprocates between the second positive electrode station 422 and the second negative electrode station 412 in the X direction.
In some alternative embodiments, the first lamination stage 51 has a first pole piece placement area thereon for carrying a plurality of battery pole pieces disposed side by side along the X-axis direction. The second lamination stage 52 has a second pole piece placement area thereon, where the second pole piece placement area is used for carrying a plurality of battery pole pieces, and the plurality of battery pole pieces are arranged side by side along the X-axis direction. Wherein the battery pole piece is a positive pole piece 1 or a negative pole piece 2. Through the plurality of battery pole pieces placed side by side in the first pole piece placement area and the plurality of battery pole pieces placed side by side in the second pole piece placement area, the first lamination table 51 and the second lamination table 52 can simultaneously laminate the plurality of battery pole pieces, and lamination efficiency is improved.
In the embodiment of the utility model, the first pole piece placement area can bear four battery pole pieces, and the four battery pole pieces are arranged side by side along the X-axis direction. The second pole piece placement area can bear four battery pole pieces, and the four battery pole pieces are arranged side by side along the X-axis direction.
The manipulator is used for transferring the negative electrode pole piece 2 positioned and loaded on the first positioning table 41 and the positive electrode pole piece 1 positioned and loaded on the second positioning table 42 to the first lamination table 51 and the second lamination table 52 according to a preset program.
It should be understood that the manipulator is a common mechanism in the technical field of battery core lamination, and the specific structure of the manipulator is not limited in the utility model, and the manipulator only needs to be capable of grabbing and positioning the negative electrode plate 2 supported on the first positioning table 41 and the positive electrode plate 1 supported on the second positioning table 42, and transferring the negative electrode plate 1 to the first lamination table 51 and the second lamination table 52 according to a preset program. In addition, the preset program is a common program, and in the embodiment of the present utility model, description will not be given.
In some alternative embodiments, the number of robots is two, the two robots being a first robot and a second robot, respectively. The first manipulator is used for transferring the negative electrode pole piece 2 positioned and loaded on the first positioning table 41 to a first lamination table 51 positioned at the first negative electrode station 411 and a second lamination table 52 positioned at the second negative electrode station 412. The second robot is used for transferring the positive electrode sheet 1 positioned and carried on the second positioning table 42 to the first lamination table 51 at the first positive electrode station 421 and the second lamination table 52 at the second positive electrode station 422. When specifically provided, a first manipulator may be disposed between the first negative electrode station 411 and the second negative electrode station 412, and a second manipulator may be disposed between the first positive electrode station 421 and the second positive electrode station 422. The first manipulator is specially responsible for transferring the negative pole piece 2, the second manipulator is specially responsible for transferring the positive pole piece 1, the transfer work of the manipulator can be orderly carried out, the transfer efficiency can be improved, and the lamination efficiency of the lamination device is further improved.
In some specific embodiments, the first robot transfers negative electrode sheet 2 to first lamination station 51 at first negative electrode station 411 and the second robot transfers positive electrode sheet 1 to second lamination station 52 at second positive electrode station 422. When the first manipulator transfers the negative electrode sheet 2 to the second lamination station 52 at the second negative electrode station 412, the second manipulator transfers the positive electrode sheet 1 to the first lamination station 51 at the first positive electrode station 421. At the same time, the first manipulator transfers the negative pole piece 2, and the second manipulator transfers the positive pole piece 1, so that the transfer efficiency is further improved, and the lamination efficiency of the lamination device is further improved.
The separator unreeling device is used in cooperation with the two lamination tables to unreel the separator and place the separator 3 between the adjacent stacked negative electrode sheet 2 and positive electrode sheet 1 in the reciprocating movement process of the two lamination tables.
It should be understood that the separator unreeling device is a common mechanism in the technical field of cell lamination, and can unreel the separator 3, and in the embodiment of the present utility model, the description is not repeated.
In some alternative embodiments, the number of diaphragm unwinds is two, the two diaphragm unwinds being a first diaphragm unwind 71 and a second diaphragm unwind 72, respectively. The first separator unreeling device 71 is used for being matched with the first lamination table 51, and unreels the separator 3 between the negative electrode pole piece 2 and the positive electrode pole piece 1 which are adjacently stacked on the first lamination table 51 in the reciprocating movement process of the first lamination table 51. The second separator unreeling device 72 is configured to cooperate with the second lamination stage 52, and unreel the separator 3 between the negative electrode tab 2 and the positive electrode tab 1 stacked adjacently on the second lamination stage 52 during the reciprocating movement of the second lamination stage 52. Specifically, the first diaphragm unreeling device 71 and the second diaphragm unreeling device 72 continuously unreel the diaphragm 3 in a Z shape, respectively. By arranging the two diaphragm unreeling devices, the unreeling efficiency of the diaphragm 3 of the laminating device can be improved, and the laminating efficiency of the laminating device is further improved.
In some specific embodiments, the first separator unreeling device 71 is disposed at the middle of the travelling track of the first lamination stage 51, and is used for covering the separator 3 above the positive electrode sheet 1 or above the negative electrode sheet 2 during the reciprocating movement of the first lamination stage 51. In addition, a second separator unreeling device 72 is disposed in the middle of the travelling track of the second lamination stage 52, for covering the separator 3 above the positive electrode sheet 1 or above the negative electrode sheet 2 during the reciprocating movement of the second lamination stage 52. The first diaphragm unreeling device 71 is located at the middle of the travelling track of the first lamination stage 51, which is beneficial for unreeling the diaphragm 3 when the first lamination stage 51 reciprocates between the first negative electrode station 411 and the first positive electrode station 421. The second separator unreeling device 72 is located in the middle of the travelling track of the second lamination stage 52, which is beneficial for unreeling the separator 3 when the second separator 3 steel coil device reciprocates between the second positive electrode station 422 and the second negative electrode station 412 on the second lamination stage 52.
In some alternative embodiments, the lamination device further includes a negative unwind device 81 and a positive unwind device 82. Wherein the negative electrode unreeling device 81 is used for providing the negative electrode pole piece 2 to the first positioning table 41, and the positive electrode unreeling device 82 is used for providing the positive electrode pole piece 1 to the second positioning table 42. It should be appreciated that the negative electrode unwind device 81 and the positive electrode unwind device 82 are common mechanisms in the cell lamination art and are not described in detail in the present embodiment.
In the above-mentioned technical solution, the lamination device provided in the embodiment of the present utility model includes the first lamination stage 51 and the second lamination stage 52 that are staggered and separated on two sides of the positioning stage, and lamination is performed on the battery pole pieces through the first lamination stage 51 and the second lamination stage 52, so that lamination efficiency is improved.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "left", "right", etc. are directions or positional relationships based on the operation state of the present utility model are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the utility model can be subjected to various substitutions and improvements, and all fall within the protection scope of the utility model.
Claims (8)
1. A lamination apparatus, comprising:
the positioning tables are two, the two positioning tables are a first positioning table and a second positioning table respectively, and the two positioning tables are arranged along a first direction; the first positioning table is used for positioning and bearing the negative pole piece, and the second positioning table is used for positioning and bearing the positive pole piece; a first side of the first positioning table is provided with a first negative electrode station, and a second side of the first positioning table is provided with a second negative electrode station; the first side of the second positioning table is provided with a first positive electrode station, the second side of the second positioning table is provided with a second positive electrode station, and the first side and the second side are two sides of the positioning table which are oppositely arranged;
the lamination platforms are two, the two lamination platforms are a first lamination platform and a second lamination platform respectively, and the two lamination platforms are arranged on two sides of the positioning platform in a staggered manner; wherein the first lamination stage reciprocates between the first negative electrode station and the first positive electrode station, and the second lamination stage reciprocates between the second positive electrode station and the second negative electrode station; when the first lamination table is at the first negative electrode station, the second lamination table is at the second positive electrode station; when the first lamination table is at the first positive electrode station, the second lamination table is at the second negative electrode station;
the manipulator is used for transferring the negative pole piece positioned and supported on the first positioning table and the positive pole piece positioned and supported on the second positioning table to the first lamination table and the second lamination table according to a preset program; and
and the diaphragm unreeling device is matched with the two lamination tables for use, so that the diaphragm is unreeled in the reciprocating movement process of the two lamination tables and is arranged between the adjacent stacked negative pole piece and positive pole piece.
2. The lamination device of claim 1, wherein the number of manipulators is two, the two manipulators being a first manipulator and a second manipulator, respectively; the first manipulator is used for transferring the negative electrode pole piece positioned and loaded on the first positioning table to the first lamination table positioned at the first negative electrode station and the second lamination table positioned at the second negative electrode station; the second manipulator is used for transferring the positive pole piece positioned and loaded on the second positioning table to the first lamination table positioned at the first positive pole station and the second lamination table positioned on the second positive pole station.
3. The lamination device of claim 2, wherein the second manipulator transfers the positive pole piece to the second lamination station at the second positive station while the first manipulator transfers the negative pole piece to the first lamination station at the first negative station;
when the first manipulator transfers the negative electrode plate to the second lamination table at the second negative electrode station, the second manipulator transfers the positive electrode plate to the first lamination table at the first positive electrode station.
4. The lamination device according to claim 1, wherein the number of the diaphragm unreeling devices is two, and the two diaphragm unreeling devices are a first diaphragm unreeling device and a second diaphragm unreeling device respectively; the first diaphragm unreeling device is used for being matched with the first lamination table, and unreels a diaphragm between the negative pole piece and the positive pole piece which are adjacently stacked on the first lamination table in the reciprocating movement process of the first lamination table; the second diaphragm unreeling device is used for being matched with the second lamination table, unreels the diaphragm between the negative pole piece and the positive pole piece which are adjacently stacked on the second lamination table in the reciprocating movement process of the second lamination table.
5. The lamination device of claim 4, wherein the first diaphragm unreeling device is disposed in a middle portion of a traveling track of the first lamination stage, and is configured to cover a diaphragm above the positive pole piece or above the negative pole piece during the reciprocating movement of the first lamination stage.
6. The lamination device according to claim 4, wherein the second separator unreeling device is disposed in a middle portion of a travelling track of the second lamination stage, and is configured to cover the separator above the positive electrode sheet or above the negative electrode sheet during the reciprocating movement of the second lamination stage.
7. The lamination device of claim 1, wherein the first lamination stage has a first pole piece placement area thereon for carrying a plurality of battery pole pieces, the plurality of battery pole pieces being disposed side-by-side;
the second lamination table is provided with a second pole piece placement area which is used for bearing a plurality of battery pole pieces, and the battery pole pieces are arranged side by side; wherein,,
the battery pole piece is the positive pole piece or the negative pole piece.
8. The lamination device of claim 1, further comprising a negative electrode unwind device and a positive electrode unwind device; wherein,,
the negative electrode unreeling device is used for providing the negative electrode pole piece for the first positioning table, and the positive electrode unreeling device is used for providing the positive electrode pole piece for the second positioning table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320970365.1U CN219739027U (en) | 2023-04-21 | 2023-04-21 | Lamination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320970365.1U CN219739027U (en) | 2023-04-21 | 2023-04-21 | Lamination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219739027U true CN219739027U (en) | 2023-09-22 |
Family
ID=88031863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320970365.1U Active CN219739027U (en) | 2023-04-21 | 2023-04-21 | Lamination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219739027U (en) |
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2023
- 2023-04-21 CN CN202320970365.1U patent/CN219739027U/en active Active
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