CN220427187U - Tab laser cutting device - Google Patents
Tab laser cutting device Download PDFInfo
- Publication number
- CN220427187U CN220427187U CN202321007353.5U CN202321007353U CN220427187U CN 220427187 U CN220427187 U CN 220427187U CN 202321007353 U CN202321007353 U CN 202321007353U CN 220427187 U CN220427187 U CN 220427187U
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- laser
- conveying
- negative pressure
- roller
- pole piece
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 238000001179 sorption measurement Methods 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a tab laser cutting device, relates to the field of battery manufacturing. The tab laser cutting device comprises a conveying roller, a negative pressure device, a negative pressure roller and a laser. The conveying rollers are used for conveying the pole pieces along the conveying path; the negative pressure device is arranged on the conveying path of the conveying roller and is used for adsorbing the pole piece; the negative pressure roller is arranged on the conveying path of the conveying roller and is used for adsorbing the waste; the laser is arranged on the conveying path of the conveying roller and is used for emitting laser to the pole piece. The negative pressure roller is used as a conveying mechanism of the waste material, can effectively adsorb and discharge the leftover materials generated during cutting, is convenient to maintain and not easy to consume parts compared with the existing conveying belt, and can effectively improve the cutting stability; therefore, the tab laser cutting device provided by the utility model effectively improves the stability of the tab laser cutting device during cutting, and obviously improves the cutting quality, the cutting precision and the productivity efficiency.
Description
Technical Field
The utility model relates to the field of battery manufacturing, in particular to a tab laser cutting device.
Background
At present, a traditional tab forming device generally adopts a split cavity structure and a belt conveying mode, the structure is generally complex, the assembly precision is poor, the stability of tab cutting is poor, and in the cutting process, the overall or partial fluctuation defocusing can occur, so that the cutting precision is further influenced.
Disclosure of Invention
The utility model aims to provide a pole lug laser cutting device which stably conveys pole pieces and cuts the pole pieces, so that the problem of low cutting precision caused by difficult maintenance of an integral structure and easy damage of a structural part is solved.
Embodiments of the present utility model are implemented as follows:
in a first aspect, the present utility model provides a tab laser cutting device, comprising:
a transfer roller for conveying the pole piece along a conveying path;
the negative pressure device is arranged on the conveying path of the conveying roller and is used for adsorbing the pole piece;
the negative pressure roller is arranged on the conveying path of the conveying roller and is used for adsorbing waste;
a laser provided on a conveying path of the conveying roller, the laser is used for emitting laser to the pole piece.
In an alternative embodiment, the tab laser cutting device further comprises a press roller mechanism for supporting the coating region of the pole piece.
In an alternative embodiment, the press roller mechanism includes a plurality of rollers, the rollers are used for being distributed on two sides of the pole piece, a circumferential line of one side of the rollers is used for being tangent to a plane of the pole piece, and a circumferential line of the other side of the rollers is used for being intersected with the plane of the pole piece.
In an alternative embodiment, the laser includes a first laser and a second laser, which are disposed in sequence along the conveying direction of the conveying roller.
In an alternative embodiment, the first laser and the second laser are disposed on the same side or different sides of the conveying path of the conveying roller.
In an optional embodiment, the tab laser cutting device further comprises an adsorption plate, the adsorption plate is arranged on the negative pressure device, and the negative pressure device adsorbs the pole piece through the adsorption plate.
In an alternative embodiment, the adsorption plate is provided with a cutting opening, and the cutting opening is used for allowing laser emitted by the laser to pass through.
In an optional embodiment, the tab laser cutting device further includes a transition plate, the transition plate is disposed on the negative pressure device, the transition plate and the adsorption plate are disposed at intervals to form a negative pressure cavity, and the negative pressure device is configured to provide negative pressure to the negative pressure cavity through the transition plate.
In an alternative embodiment, the negative pressure roller is operated at a speed greater than the conveying speed of the conveying roller.
In an alternative embodiment, the conveying rollers include a first conveying roller and a second conveying roller, the first conveying roller and the second conveying roller are sequentially arranged in a vertical direction, and the first conveying roller and the second conveying roller are used for conveying the pole piece along a vertical downward conveying direction.
The tab laser cutting device provided by the embodiment of the utility model has the beneficial effects that: the negative pressure roller is adopted as a conveying mechanism of the waste material, so that the leftover materials generated when the pole pieces are cut can be effectively adsorbed and discharged, compared with the existing conveying belt, the negative pressure roller is convenient to maintain, parts are not easy to consume, and the cutting stability can be effectively improved; therefore, the tab laser cutting device provided by the utility model effectively improves the stability of the tab laser cutting device during cutting, and obviously improves the cutting quality, the cutting precision and the productivity efficiency.
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 will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related 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 tab laser cutting device according to an embodiment of the present utility model.
Icon: 10-electrode lug laser cutting device; 100-conveying rollers; 110-a first transfer roller; 120-a second transfer roller; 200-negative pressure device; 300-negative pressure roller; 400-a laser; 410-a first laser; 420-a second laser; 500-a press roller mechanism; 510, a roller; 600-adsorption plate; 700-transition plate; 800-negative pressure cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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.
At present, a traditional tab forming device generally adopts a split cavity structure and a belt conveying mode. The lug forming device of the split cavity structure has the advantages that due to the fact that two independent cutting cavities corresponding to the lasers are more in transition parts, the installation references are inconsistent, assembly accuracy is difficult to guarantee, and control of lug cutting stability is not facilitated.
In order to facilitate waste discharge when the traditional laser tab cutting forming equipment is used for cutting, a belt is used as a transmission device for waste discharge after the cutting of a coating straight line edge is completed, the belt is used as a wearing part, the tension of the belt is reduced after the belt is operated in a severe environment with long-time high temperature and multiple dust, so that the phenomenon of swelling and defocusing of a pole piece can be caused, and the belt is broken when serious, so that the pole piece is sucked into a cavity to cause the pole piece to break; the belt requires removal of the assembly during replacement, which can negatively impact the accuracy and stability of the device. Therefore, the belt, as a plastic material and a wearing part, is liable to cause frequent disassembly thereof, and makes the uniformity of the apparatus poor, the operability difficult and the productivity inefficient.
Based on the problems, the utility model provides a tab laser cutting device without a belt scheme, which is applied to the field of battery manufacturing, solves the problems that the whole structure is difficult to maintain and a structural part is easy to damage, can timely remove cutting waste, effectively improves the stability of the device during cutting, and remarkably improves the cutting quality and the cutting precision.
Referring to fig. 1, the tab laser cutting device 10 includes a transfer roller 100, a negative pressure device 200, a negative pressure roller 300, a laser 400, a pressing roller mechanism 500, an adsorption plate 600, and a transition plate 700.
The conveying roller 100 is used for conveying the pole piece along a conveying path, the laser 400, the negative pressure device 200, the adsorption plate 600, the transition plate 700, the compression roller mechanism 500 and the negative pressure roller 300 are all arranged on the conveying path of the conveying roller 100, the negative pressure device 200 is used for adsorbing the pole piece, the compression roller mechanism 500 is used for supporting the pole piece, the negative pressure roller 300 is used for adsorbing waste, and the laser 400 is used for emitting laser to the pole piece so as to cut the pole piece and form a pole lug. The lug laser cutting device 10 provided by the utility model has a simple integral structure, and the lug laser cutting device 10 provided by the utility model adopts the negative pressure roller 300 as a conveying mechanism for waste materials generated when pole pieces are cut, can adsorb and discharge the leftover materials generated when the pole pieces are cut secondarily, is convenient to maintain and is not easy to wear compared with the existing conveying belt, and can effectively improve the cutting stability; therefore, the stability of the tab laser cutting device 10 during cutting is effectively improved, and the cutting quality, the cutting precision and the productivity efficiency are remarkably improved.
Further, the conveying roller 100 includes a first conveying roller 110 and a second conveying roller 120, where the first conveying roller 110 and the second conveying roller 120 are sequentially disposed in a vertical direction, and the first conveying roller 110 and the second conveying roller 120 are used together to convey the pole piece in a vertically downward conveying direction (a direction a shown in fig. 1).
In this embodiment, the pole piece is conveyed by the first conveying roller 110 and the second conveying roller 120 so that the pole piece moves from top to bottom in the vertical direction, so that the pole piece is cut by the laser emitted by the laser 400 to form the tab.
In detail, the laser 400 includes a first laser 410 and a second laser 420, and the first laser 410 and the second laser 420 are sequentially disposed along a conveying direction of the conveying roller 100 to sequentially cut the pole pieces and collectively form the shape of the tab.
Further, the first laser 410 and the second laser 420 are disposed on the same side or different sides of the conveying path of the conveying roller 100.
In this embodiment, the first laser 410 and the second laser 420 are arranged on different sides or on the same side, so that the structural compatibility of the tab laser cutting device 10 is better. Therefore, the problems of complex structure adjustment and poor assembly precision of the conventional laser cutting device are solved, so that the maintenance and observation space of the tab laser cutting device 10 is wide, and the operation efficiency of personnel is improved.
Further, the adsorption plate 600 is disposed at the negative pressure device 200, and the negative pressure device 200 adsorbs the pole piece through the adsorption plate 600.
It should be noted that, the laser 400 and the adsorption plate 600 are respectively disposed at two sides of the pole piece, and the laser emitted by the laser 400 passes through the cutting opening after cutting the pole piece, so that it is required to ensure that the laser path of the laser 400 is consistent with the cutting opening, so as to ensure that the laser emitted by the laser 400 can just pass through the cutting opening.
It will be appreciated that the suction plate 600 may also be disposed on the side of the pole piece adjacent to the laser 400, in which case the laser light emitted by the laser 400 passes through the cutting aperture before cutting the pole piece.
In this embodiment, the adsorption plate 600 is provided with a through hole (not shown), and the adsorption plate 600 can adsorb the pole piece under the action of the negative pressure device 200, so that the pole piece moves stably, and the pole piece between the laser cutting points can be effectively smoothed, so that the pole piece is ensured not to shake and defocus, and meanwhile, the negative pressure device 200 can also take away dust generated during cutting, so as to avoid influencing the cutting quality of the pole piece.
Further, the adsorption plate 600 is provided with two cutting openings sequentially arranged at intervals along the conveying direction of the conveying roller 100, and the two cutting openings are arranged in one-to-one correspondence with the first laser 410 and the second laser 420, so that the laser emitted by the first laser 410 and the laser emitted by the second laser 420 respectively face the two cutting openings.
Further, the transition plate 700 is disposed on the negative pressure device 200, and the transition plate 700 is spaced from the adsorption plate 600 to form a negative pressure chamber 800, and the negative pressure device 200 is configured to provide negative pressure to the negative pressure chamber 800 through the transition plate 700.
In the present embodiment, in order to avoid pressure leakage of the adsorption plate 600 at the cut, by providing the transition plate 700 to form the negative pressure chamber 800 between the transition plate 700 and the adsorption plate 600, and negative pressure of the negative pressure chamber 800 is provided through the negative pressure device 200, it is possible to ensure that negative pressure in the negative pressure chamber 800 is stable. It will be appreciated that a plurality of through holes (not shown) are formed in the adsorption plate 600 to ensure that the adsorption plate 600 can realize the adsorption of the pole pieces.
It should be noted that, the negative pressure device 200 provides negative pressure on one side of the adsorption plate 600 and the transition plate 700, and a dust blowing air knife is further disposed on one side of the pole piece away from the adsorption plate 600, so that dust generated in the cutting process of the pole piece can be timely taken away by the negative pressure provided by the negative pressure device 200, and the influence of the dust on the cutting quality is avoided.
Further, the press roller mechanism 500 is used to support the coating area of the pole piece.
In this embodiment, the coating area of the pole piece is slightly pressed by the pressing roller mechanism 500, so as to ensure the stability of the pole piece in the cutting process and reduce the influence caused by factors such as cutting span, shaking and the like.
Further, the press roller mechanism 500 includes a plurality of rollers 510, the rollers 510 are disposed on two sides of the pole piece, and a circumferential line of one side of the rollers 510 is tangential to a plane of the pole piece, and a circumferential line of the other side of the rollers 510 is intersected with the plane of the pole piece.
In this embodiment, the press roller mechanism 500 includes three rollers 510, wherein two rollers 510 on one side are fixedly disposed and tangent to a plane where the pole piece is located, and one roller 510 on the other side is disposed between the two rollers 510 and intersects the plane where the pole piece is located, so that the rollers 510 are slightly pressed into a coating area of the pole piece, thereby playing a certain supporting role on the pole piece, and finally achieving the purposes of reducing cutting span and reducing pole ear shake.
Further, the operation speed of the negative pressure roller 300 is greater than the conveying speed of the conveying roller 100.
In this embodiment, the negative pressure roller 300 is located below the cutting opening corresponding to the second laser 420, and the tangential position of the negative pressure roller 300 is parallel to the directions of the adsorption plate 600 and the pole piece. The movement speed of the negative pressure roller 300 is slightly greater than that of the pole piece, so as to be used as a transmission mechanism of the pole piece. Moreover, the negative pressure roller 300 can provide adsorption force, so that on one hand, the stability of the pole piece in the cutting process can be ensured, and on the other hand, the negative pressure roller 300 can adsorb and discharge the leftover materials generated when the pole lugs are cut.
In summary, the present utility model provides a tab laser cutting device 10, which uses a negative pressure roller 300 as a conveying mechanism for waste materials, and can effectively adsorb and discharge the leftover materials generated when cutting pole pieces, and compared with the existing conveyor belt, the tab laser cutting device is convenient to maintain and not easy to wear, and can effectively improve cutting stability; therefore, the stability of the tab laser cutting device 10 during cutting is effectively improved, and the cutting quality, the cutting precision and the productivity efficiency are remarkably improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a utmost point ear laser cutting device which characterized in that includes:
a transfer roller for conveying the pole piece along a conveying path;
the negative pressure device is arranged on the conveying path of the conveying roller and is used for adsorbing the pole piece;
the negative pressure roller is arranged on the conveying path of the conveying roller and is used for adsorbing waste;
the laser is arranged on the conveying path of the conveying roller and is used for emitting laser to the pole piece;
the tab laser cutting device further comprises a press roller mechanism, and the press roller mechanism is used for supporting the coating area of the pole piece.
2. The tab laser cutting device of claim 1, wherein the press roller mechanism comprises a plurality of rollers, the rollers are distributed on two sides of the pole piece, a circumferential line of one side of the rollers is tangential to a plane of the pole piece, and a circumferential line of the other side of the rollers is intersected with the plane of the pole piece.
3. The tab laser cutting device according to claim 1, wherein the laser includes a first laser and a second laser, the first laser and the second laser being disposed in order along a conveying direction of the conveying roller.
4. The tab laser cutting device according to claim 3, wherein the first laser and the second laser are disposed on the same side or different sides of the conveyance path of the conveyance roller.
5. The tab laser cutting device of claim 1, further comprising an adsorption plate, the adsorption plate being disposed in the negative pressure device, the negative pressure device adsorbing the pole piece through the adsorption plate.
6. The tab laser cutting device of claim 5, wherein the suction plate is provided with a cutting opening for passing laser light emitted from the laser.
7. The tab laser cutting device of claim 5, further comprising a transition plate disposed in the negative pressure vessel, the transition plate being spaced from the suction plate to form a negative pressure chamber, the negative pressure vessel being configured to provide negative pressure to the negative pressure chamber through the transition plate.
8. The tab laser cutting device of claim 1, wherein the negative pressure roller operates at a speed greater than the conveying speed of the transfer roller.
9. The tab laser cutting device of claim 1, wherein the transfer roller comprises a first transfer roller and a second transfer roller, the first transfer roller and the second transfer roller are disposed in sequence in a vertical direction, and the first transfer roller and the second transfer roller are used together to convey the pole piece in a vertically downward conveying direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007353.5U CN220427187U (en) | 2023-04-25 | 2023-04-25 | Tab laser cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007353.5U CN220427187U (en) | 2023-04-25 | 2023-04-25 | Tab laser cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220427187U true CN220427187U (en) | 2024-02-02 |
Family
ID=89696786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007353.5U Active CN220427187U (en) | 2023-04-25 | 2023-04-25 | Tab laser cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220427187U (en) |
-
2023
- 2023-04-25 CN CN202321007353.5U patent/CN220427187U/en active Active
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