CN220464189U - Flat and regular opening type high-temperature cutting device for battery cell diaphragm and battery production line - Google Patents
Flat and regular opening type high-temperature cutting device for battery cell diaphragm and battery production line Download PDFInfo
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- CN220464189U CN220464189U CN202322053347.XU CN202322053347U CN220464189U CN 220464189 U CN220464189 U CN 220464189U CN 202322053347 U CN202322053347 U CN 202322053347U CN 220464189 U CN220464189 U CN 220464189U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 83
- 210000004027 cell Anatomy 0.000 claims description 24
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 11
- 210000000170 cell membrane Anatomy 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of battery production equipment, and particularly relates to a high-temperature cutting device for a flat and uniform-opening type battery cell diaphragm and a battery production line, wherein the high-temperature cutting device comprises a movable seat, a positioning assembly and a heating unit, and the movable seat is arranged at one side of a diaphragm hot cutting station; the positioning components are arranged on the movable seat, the number of the heating units is multiple, and all the heating units are arranged on the corresponding positioning components one by one along the respective edges; the positioning component is used for adjusting the position of the heating unit, and the movable seat is driven by the external linear module to move along the direction of the diaphragm, so that the heating unit in a high-temperature state cuts the diaphragm. After the movable seat is driven by the external linear module, the heating unit moves downwards, the temperature of the heating unit is controlled by the temperature control system to keep constant, and in the slow descending process of the heating unit, each layer of diaphragm can be cut off and simultaneously the fracture parts of every two adjacent layers of diaphragms can be adhered together rapidly; the multi-section synchronous cutting and forming of the multiple groups of battery cells is realized, so that the cutting efficiency is effectively improved, and the production efficiency of the battery is improved.
Description
Technical Field
The utility model belongs to the technical field of battery production equipment, and particularly relates to a high-temperature cutting device for a flat and uniform-opening type battery cell diaphragm and a battery production line.
Background
In the lamination process of battery production, the separator is usually cut after lamination is completed. For this operation, a heating sheet or a heating wire heated by a cylinder is generally used for cutting the diaphragm in the related industry.
For example, the application number is: CN202022812972.4, entitled membrane cutter mechanism, discloses a membrane cutter mechanism, comprising a cutter assembly for cutting a membrane, a dust removal assembly disposed at one side of the cutter assembly, and a driving assembly for driving the cutter assembly to move; the cutter assembly comprises a heating wire and an insulating support frame for fixing two ends of the heating wire and tensioning the heating wire; when the driving component drives the cutter component to move to a position close to the diaphragm, the heating wire heats and cuts the diaphragm, and the dust removing component adsorbs impurities in vacuum. The diaphragm cutter mechanism drives the cutter assembly to move through the diaphragm through the driving assembly so as to cut the diaphragm through the tensioned and firm heated heating wire, so that the diaphragm cutter mechanism has the advantages of low energy consumption, high cutting efficiency, high cutting alignment, less caused diaphragm powder and the like; and then, impurities such as dust on the diaphragm and the battery cell are removed through the dust removing assembly, so that the phenomenon of short circuit of the battery cell which is subsequently manufactured due to the impurities such as dust is avoided, and the yield and the safety performance of the battery cell are improved.
According to the above, most of conventional diaphragm hot cutting devices can only cut a single-layer diaphragm, and the single-layer diaphragm cutting is lack of temperature control on the resistance wire or the heating sheet, so that the temperature of the whole resistance wire or the heating sheet is not uniform during instantaneous pulse heating, and wire drawing or uneven cutting edges can occur during cutting, so that improvement is needed.
Disclosure of Invention
The utility model aims to provide a high-temperature cutting device for a flat and uniform-opening type battery cell diaphragm and a battery production line, and aims to solve the technical problems that a diaphragm cutting position structure does not meet market demands, market public praise of products is influenced and improvement of battery quality is not facilitated due to the fact that single diaphragm hot cutting operation is adopted in existing diaphragm cutting equipment.
In order to achieve the above purpose, the high-temperature cutting device for the flat and uniform-opening type battery cell diaphragm provided by the embodiment of the utility model comprises a movable seat, a positioning assembly and a heating unit, wherein the movable seat is arranged at one side of a diaphragm hot cutting station; the positioning assemblies are arranged on the movable seat, the number of the positioning assemblies is at least two, and all the positioning assemblies are arranged along the length direction of the movable seat; the number of the heating units is multiple, and all the heating units are arranged on the corresponding positioning assemblies one by one; the positioning component is used for adjusting the position of the heating unit, and the movable seat is driven by the external linear module to move along the direction of the diaphragm, so that the heating unit in a high-temperature state cuts the diaphragm.
Optionally, the movable seat comprises a connecting seat and an installing seat, and the connecting seat is fixedly connected with the output end of the external linear module; the mounting seat is arranged on the connecting seat; the number of connecting seats and mount pad is two sets of, two sets of connecting seats symmetric distribution is in the both sides of diaphragm hot cut station, two sets of the mount pad respectively one by one set up on the corresponding connecting seat, all locating component evenly distributed is on two sets of mount pad, the heating element is the heating wire, each group the both ends of heating element respectively one by one with two sets of locating component fixed connection of correspondence makes each heating element spanned on the diaphragm hot cut station.
Optionally, the high-temperature cutting device for the flat and uniform-opening type cell membrane further comprises a guide assembly, wherein the guide assembly is used for guiding the movable seat to stably move along a preset direction, and the guide assembly is fixedly connected with the mounting seat.
Optionally, the guiding component comprises a guide rail and a sliding block, and the extending direction of the guide rail is parallel to the driving direction of the external linear module; the sliding block is matched on the guide rail in a sliding way, and is fixedly connected with the connecting seat; the number of the guide rails and the number of the sliding blocks are two, the two groups of the guide rails are respectively arranged on two sides of a driving path of the external linear module, and the two groups of the sliding blocks are respectively matched on the corresponding guide rails in a one-to-one sliding manner.
Optionally, the mount pad is rectangular shape structure setting along the extending direction of diaphragm, the quantity of locating component is the multiunit, multiunit locating component is followed the length direction interval setting of mount pad.
Optionally, the positioning assembly comprises a fixed seat, an adjusting seat and a transmission unit, and the fixed seat is arranged on the movable seat; the adjusting seat is connected to the moving seat in a sliding manner; the two ends of the transmission unit are respectively connected with the adjusting seat and the fixing seat; the heating units are fixedly arranged on the adjusting seat, the transmission unit is used for driving the adjusting seat to move to a preset position relative to the fixed seat, and the interval distance between two adjacent groups of heating units is adjusted to a preset length.
Optionally, the transmission unit is a distance adjusting bolt, and the fixing seat and the adjusting seat are both provided with adjusting holes for rotationally connecting the transmission unit.
Optionally, a tensioning mechanism for adjusting the tightness degree of the heating unit is arranged on the adjusting seat.
Optionally, the tensioning mechanism comprises a driving source and a moving block, and the moving block is arranged at the output end of the driving source; the driving source is arranged on the adjusting seat, and the end part of the moving block is fixedly connected with the end part of the heating unit.
In order to achieve the above purpose, the embodiment of the utility model provides a battery production line, which comprises a pole piece diaphragm pressing device and the flat and regular-opening type battery cell diaphragm high-temperature cutting device, wherein a plurality of groups of diaphragms and pole pieces are stacked on a diaphragm hot cutting station, the pole piece diaphragm pressing device presses a plurality of layers of diaphragms and pole pieces until the diaphragms and the pole pieces are compacted, the flat and regular-opening type battery cell diaphragm high-temperature cutting device cuts the plurality of layers of diaphragms along a preset interval, and the battery production line further comprises a temperature control system for controlling the temperature of a heating unit.
The flat and regular mouth type high-temperature cutting device for the battery cell diaphragm and one or more of the technical schemes in the battery production line provided by the embodiment of the utility model have at least one of the following technical effects: when the diaphragm moves to the diaphragm hot cutting station, the pole piece diaphragm pressing device presses the pole piece and the diaphragm from a loose stacking state to a close fitting state; the movable seat is driven by the external linear module to drive the heating unit to move towards the direction of the diaphragms, so that the heating unit cuts the stacked diaphragms at high temperature, the heating unit moves downwards, the temperature of the heating unit is controlled by the temperature control system to keep constant temperature, each layer of diaphragms are cut off by the heating unit in the slow descending process, simultaneously the two adjacent layers of diaphragm fracture parts can be adhered together rapidly, and when the heating unit is separated from the lowest layer of diaphragms, the cell structure formed by the pole pieces and the diaphragms is completely cut off; the multi-section synchronous cutting and forming of the multiple groups of battery cells is realized, the cutting efficiency is effectively improved, and the production efficiency of the battery is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a flat and regular-opening type high-temperature cutting device for a battery cell diaphragm according to an embodiment of the utility model.
Fig. 2 is a top view of a flat and regular-opening type high-temperature cutting device for a battery cell diaphragm according to an embodiment of the utility model.
Fig. 3 is a side view of a flat and regular-opening type high-temperature cutting device for a battery cell diaphragm according to an embodiment of the utility model.
Fig. 4 is an enlarged view of a in fig. 1.
Wherein, each reference sign in the figure:
100-moving seat 200-positioning assembly 300-heating unit
110-connecting seat 120-mounting seat 400-guiding assembly
410-guide rail 420-slide block 210-fixing seat
220-adjusting seat 500-tensioning mechanism 510-driving source
520-moving block.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 4 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements 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.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In one embodiment of the present utility model, as shown in fig. 1 to 4, a battery production line is provided, which includes a pole piece diaphragm pressing device and a flat and regular-opening type battery cell diaphragm high-temperature cutting device, wherein a plurality of groups of diaphragms and pole pieces are stacked on a diaphragm hot-cutting station, the pole piece diaphragm pressing device presses the multi-layer diaphragms and the pole pieces until the multi-layer diaphragms and the pole pieces are compacted, the flat and regular-opening type battery cell diaphragm high-temperature cutting device cuts the multi-layer diaphragms along a preset interval, and the battery production line further includes a temperature control system for controlling the temperature of the heating unit 300.
The high-temperature cutting device for the flat and uniform-opening type battery cell diaphragm comprises a movable seat 100, a positioning assembly 200 and a heating unit 300, wherein the movable seat 100 is arranged on one side of a diaphragm hot cutting station; the positioning assemblies 200 are arranged on the movable seat 100, the number of the positioning assemblies 200 is at least two, and all the positioning assemblies 200 are arranged along the length direction of the movable seat 100; the number of the heating units 300 is multiple, and all the heating units 300 are arranged on the corresponding positioning assemblies 200 one by one; the positioning assembly 200 is used for adjusting the position of the heating unit 300, and the movable seat 100 is driven by an external linear module to move along the direction of the diaphragm, so that the heating unit 300 in a high temperature state cuts the diaphragm.
When the diaphragm moves to the diaphragm hot cutting station, the pole piece diaphragm pressing device presses the pole piece and the diaphragm from a loose stacking state to a close fitting state; after the movable seat 100 is driven by an external linear module, the heating unit 300 is driven to move towards the direction of the diaphragms, so that the heating unit 300 performs high-temperature cutting on the stacked diaphragms, the heating unit 300 moves downwards, the temperature of the heating unit 300 is controlled by a temperature control system to keep constant, the heating unit 300 cuts off each layer of diaphragms and simultaneously cuts off each two adjacent layers of diaphragms to be adhered together rapidly in the slow descending process, and when the heating unit 300 is separated from the lowest layer of diaphragms, the battery cell structure formed by the pole pieces and the diaphragms is completely cut off; the multi-section synchronous cutting and forming of the multiple groups of battery cells is realized, the cutting efficiency is effectively improved, and the production efficiency of the battery is further improved.
As shown in fig. 1 to 4, further, the movable base 100 includes a connection base 110 and an installation base 120, where the connection base 110 is fixedly connected with the output end of the external linear module; the mounting base 120 is disposed on the connecting base 110; the number of the connecting seats 110 and the number of the installing seats 120 are two, the two groups of the connecting seats 110 are symmetrically distributed on two sides of the diaphragm hot-cutting station, the two groups of the installing seats 120 are respectively arranged on the corresponding connecting seats 110 one by one, all the positioning assemblies 200 are uniformly distributed on the two groups of the installing seats 120, the heating units 300 are heating wires, and two ends of each group of the heating units 300 are respectively fixedly connected with the corresponding two groups of the positioning assemblies 200 one by one, so that each heating unit 300 spans across the diaphragm hot-cutting station; in this embodiment, the external linear module is a linear sliding table disposed along a vertical direction.
As shown in fig. 1 to 4, further, the flat and regular mouth type high-temperature cutting device for the battery cell diaphragm further comprises a guide assembly 400, the guide assembly 400 is used for guiding the movable seat 100 to stably move along a preset direction, the guide assembly 400 is fixedly connected with the mounting seat 120, the guide assembly 400 is adopted to facilitate improving the movement stability of the movable seat 100, the heating unit 300 is prevented from shaking in the cutting process, the cutting edge of the diaphragm is in a saw-tooth shape, and the thermal cutting stability is further improved.
As shown in fig. 1 to 4, further, the guide assembly 400 includes a guide rail 410 and a slider 420, and the extending direction of the guide rail 410 is parallel to the driving direction of the external linear module; the sliding block 420 is slidably fitted on the guide rail 410, and the sliding block 420 is fixedly connected with the connection seat 110; the number of the guide rails 410 and the number of the sliding blocks 420 are two, the two groups of the guide rails 410 are respectively arranged on two sides of a driving path of the external linear module, and the two groups of the sliding blocks 420 are respectively and slidably fit on the corresponding guide rails 410.
As shown in fig. 1 to 4, further, the mounting base 120 is disposed in a strip-shaped structure along the extending direction of the diaphragm, the number of the positioning assemblies 200 is multiple, and multiple groups of the positioning assemblies 200 are disposed at intervals along the length direction of the mounting base 120, in this embodiment, two ends of the mounting base 120 are respectively fixedly connected with two groups of the sliding blocks 420.
As shown in fig. 1 to 4, further, the positioning assembly 200 includes a fixed base 210, an adjusting base 220, and a transmission unit, and the fixed base 210 is disposed on the moving base 100; the adjusting seat 220 is slidably connected to the moving seat 100; the two ends of the transmission unit are respectively connected with the adjusting seat 220 and the fixing seat 210; the heating unit 300 is fixedly arranged on the adjusting seat 220, the transmission unit is used for driving the adjusting seat 220 to move to a preset position relative to the fixing seat 210, the interval distance between two adjacent heating units 300 is adjusted to a preset length, specifically, the adjusting seat 220 is arranged in a C-shaped structure, the end part of the mounting seat 120 is provided with a sliding rail, one end of the adjusting seat 220 is in sliding connection with the sliding rail, the other end of the adjusting seat 220 extends to the end part of the mounting seat 120, which is opposite to the sliding rail, the fixing seat 210 is arranged on one side of the adjusting seat 220, and the C-shaped cladding type mounting structure is adopted to facilitate the improvement of the stability of the positioning assembly 200.
As shown in fig. 1 to 4, further, the transmission unit is a distance adjusting bolt, the fixing base 210 and the adjusting base 220 are both provided with adjusting holes for rotationally connecting the transmission unit, when the distance between the heating units 300 needs to be adjusted, the distance adjusting bolt is rotated, the adjusting base 220 moves along the length direction of the distance adjusting bolt, and then the heating units 300 are driven to move to a preset position, so that the position adjustment of the heating units 300 is realized, the structure of the transmission unit is flexible, and in other embodiments, the transmission unit can also position a bolt.
As shown in fig. 1 to 4, further, the adjusting seat 220 is provided with a tensioning mechanism 500 for adjusting the tightness degree of the heating unit 300, so as to prevent the heating unit 300 from loosening and affecting the cutting effect.
As shown in fig. 1 to 4, further, the tensioning mechanism 500 includes a driving source 510 and a moving block 520, and the moving block 520 is disposed at an output end of the driving source 510; the driving source 510 is disposed on the adjusting seat 220, the end of the moving block 520 is fixedly connected with the end of the heating unit 300, specifically, the driving source 510 is an air cylinder, the body of the driving source 510 is disposed on the adjusting seat 220, the moving block 520 is disposed at a telescopic end of the driving source 510, in this embodiment, a group of heating seats for heating the heating unit 300 are disposed on the adjusting seat 220, one end of the heating unit 300 is connected with the heating seats, and the other end of the heating unit 300 is fixedly connected with the moving block 520.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a level and smooth quick-witted mouth formula electricity core diaphragm high temperature cutting device which characterized in that includes:
the movable seat is arranged on one side of the diaphragm hot cutting station;
the positioning assemblies are arranged on the movable seat, the number of the positioning assemblies is at least two, and all the positioning assemblies are arranged along the length direction of the movable seat;
the heating units are arranged in a plurality of groups, and all the heating units are arranged on the corresponding positioning assemblies one by one along the edges;
the positioning component is used for adjusting the position of the heating unit, and the movable seat is driven by the external linear module to move along the direction of the diaphragm, so that the heating unit in a high-temperature state cuts the diaphragm.
2. The flat, orderly-opening type cell membrane high-temperature cutting device according to claim 1, wherein: the movable seat comprises:
the connecting seat is fixedly connected with the output end of the external linear module;
the mounting seat is arranged on the connecting seat;
the number of connecting seats and mount pad is two sets of, two sets of connecting seats symmetric distribution is in the both sides of diaphragm hot cut station, two sets of the mount pad respectively one by one set up on the corresponding connecting seat, all locating component evenly distributed is on two sets of mount pad, the heating element is the heating wire, each group the both ends of heating element respectively one by one with two sets of locating component fixed connection of correspondence makes each heating element spanned on the diaphragm hot cut station.
3. The flat and flush type cell membrane high-temperature cutting device according to claim 2, wherein: the high-temperature cutting device for the flat and even-mouth type battery cell diaphragm further comprises a guide assembly, wherein the guide assembly is used for guiding the movable seat to stably move along a preset direction, and the guide assembly is fixedly connected with the mounting seat.
4. The flat and flush type cell membrane high-temperature cutting device according to claim 3, wherein: the guide assembly includes:
the extending direction of the guide rail is parallel to the driving direction of the external linear module;
the sliding block is matched on the guide rail in a sliding manner and is fixedly connected with the connecting seat;
the number of the guide rails and the number of the sliding blocks are two, the two groups of the guide rails are respectively arranged on two sides of a driving path of the external linear module, and the two groups of the sliding blocks are respectively matched on the corresponding guide rails in a one-to-one sliding manner.
5. The flat and flush type cell membrane high-temperature cutting device according to claim 2, wherein: the mounting seat is arranged in a strip-shaped structure along the extending direction of the diaphragm, the number of the positioning assemblies is multiple, and the positioning assemblies are arranged at intervals along the length direction of the mounting seat.
6. The flat and aligned high temperature cutting device for cell membranes according to any one of claims 2 to 5, wherein: the positioning assembly includes:
the fixed seat is arranged on the movable seat;
the adjusting seat is connected to the moving seat in a sliding manner;
the two ends of the transmission unit are respectively connected with the adjusting seat and the fixing seat;
the heating units are fixedly arranged on the adjusting seat, the transmission unit is used for driving the adjusting seat to move to a preset position relative to the fixed seat, and the interval distance between two adjacent groups of heating units is adjusted to a preset length.
7. The flat, orderly-opening type cell membrane high-temperature cutting device according to claim 6, wherein: the transmission unit is a distance adjusting bolt, and the fixed seat and the adjusting seat are respectively provided with an adjusting hole for rotationally connecting the transmission unit.
8. The flat, orderly-opening type cell membrane high-temperature cutting device according to claim 6, wherein: the adjusting seat is provided with a tensioning mechanism for adjusting the tightness degree of the heating unit.
9. The flat, orderly-opening type cell membrane high-temperature cutting device according to claim 8, wherein: the tensioning mechanism includes:
a driving source;
the moving block is arranged at the output end of the driving source;
the driving source is arranged on the adjusting seat, and the end part of the moving block is fixedly connected with the end part of the heating unit.
10. A battery production line, characterized in that: the battery production line comprises a pole piece diaphragm pressing device and the leveling and trimming type battery cell diaphragm high-temperature cutting device according to any one of claims 1-9, wherein a plurality of groups of diaphragms and pole pieces are stacked on a diaphragm hot cutting station, after the pole piece diaphragm pressing device presses the multi-layer diaphragms and the pole pieces to be compact, the leveling and trimming type battery cell diaphragm high-temperature cutting device cuts the multi-layer diaphragms along a preset interval, and the battery production line further comprises a temperature control system for controlling the temperature of a heating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053347.XU CN220464189U (en) | 2023-08-01 | 2023-08-01 | Flat and regular opening type high-temperature cutting device for battery cell diaphragm and battery production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053347.XU CN220464189U (en) | 2023-08-01 | 2023-08-01 | Flat and regular opening type high-temperature cutting device for battery cell diaphragm and battery production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464189U true CN220464189U (en) | 2024-02-09 |
Family
ID=89804093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322053347.XU Active CN220464189U (en) | 2023-08-01 | 2023-08-01 | Flat and regular opening type high-temperature cutting device for battery cell diaphragm and battery production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464189U (en) |
-
2023
- 2023-08-01 CN CN202322053347.XU patent/CN220464189U/en active Active
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