CN215966938U - Lithium battery pole piece laser cutting clamp - Google Patents
Lithium battery pole piece laser cutting clamp Download PDFInfo
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- CN215966938U CN215966938U CN202122067149.XU CN202122067149U CN215966938U CN 215966938 U CN215966938 U CN 215966938U CN 202122067149 U CN202122067149 U CN 202122067149U CN 215966938 U CN215966938 U CN 215966938U
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- pole piece
- mounting groove
- laser cutting
- vacuum adsorption
- lithium battery
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Abstract
The utility model discloses a lithium battery pole piece laser cutting clamp which comprises a base, a vacuum adsorption cavity, a laser cutting head and a dust suction device, wherein an installation cavity penetrates through the middle part of the base, the vacuum adsorption cavity is installed in the installation cavity, a plurality of vacuum adsorption holes are formed in the top array of the vacuum adsorption cavity, a negative pressure fan connecting port is formed in the bottom of the vacuum adsorption cavity, the laser cutting head fixed on the base is arranged above the vacuum adsorption cavity, and the dust suction device is installed on one side of the laser cutting head. The lithium battery pole piece is fixed in a vacuum adsorption mode, the feeding and discharging are convenient, the pole piece is easy to take down, the pole piece can be prevented from being damaged, the operation time is saved, the production efficiency is improved, the dust adhered to the upper surface and the lower surface of the pole piece can be removed through the dust suction device and the negative pressure fan respectively while the pole piece is prevented from shaking in the laser cutting process, and the quality of the lithium battery pole piece cut by laser is improved.
Description
Technical Field
The utility model relates to the technical field of laser cutting, in particular to a laser cutting clamp for a lithium battery pole piece.
Background
With the rapid development of modern economy and scientific technology, the requirements on the cutting process of the lithium battery pole piece are higher and higher. At present, the cutting process of the lithium battery pole piece mainly adopts the following three modes:
1. and (3) cutting by using a circle shear, wherein the circle mainly comprises an upper circle disc cutter and a lower circle disc cutter, the upper circle disc cutter and the lower circle disc cutter are arranged on a cutter shaft of the cutting machine, and the positive and negative pole pieces of the lithium battery which are coiled and have the thickness of 0.01-0.1mm are cut by using a rolling shear principle.
2. And (2) die cutting, wherein the die cutting process of the lithium battery is divided into (1) wood plate die cutting, and the lithium battery pole piece is cut by a cutting edge arranged on a wood plate under the action of certain pressure. The process has the advantages of simple die and low cost, but the cutting quality is not easy to control; (2) and (4) punching by using a hardware die, and cutting the lithium battery pole piece by using a punch and a small clearance of a lower cutting die. In the punching process, coating particles of the pole piece are separated under the action of stress, metal foil in the pole piece generates plastic strain, cracks are generated after the metal foil reaches the breaking strength, and finally the cracks are diffused, so that the pole piece is cut off. The problems of cutter abrasion exist in disc slitting and die cutting, the process is easy to be unstable, the pole piece cutting quality is extremely poor, and the battery performance is reduced.
3. Laser cutting has the characteristics of high production efficiency and good process stability, and the pole piece is quickly melted, vaporized and burned or reaches a melting point to form a hole by irradiating the cut pole piece with a high-power-density laser beam; meanwhile, as the laser beam moves on the pole piece, the hole continuously forms a slit with a narrow width, and the pole piece is cut. However, when the lithium battery pole piece is cut by laser, a lot of dust can be generated on the upper surface and the lower surface of the pole piece, and the quality of the pole piece can be influenced by the dust. The dust on the upper surface and the lower surface of the pole piece is treated, and meanwhile, the pole piece is required to be ensured not to shake in the whole laser cutting process, and the pole piece cannot be cut off due to shaking, so that the production is influenced.
In prior art, a laser cutting machine for lithium cell is relatively poor in pole piece anti-shake control, and the cutting bed adopts metal material usually simultaneously, and when leading to laser cutting, the pole piece glues and is difficult for taking off on the cutting bed, still can cause the pole piece to damage when serious, greatly reduced laser cutting pole piece's quality and efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a lithium battery pole piece laser cutting clamp, wherein a lithium battery pole piece is fixed in a vacuum adsorption mode, the pole piece is easy to take down, the pole piece can be prevented from being damaged, dust adhered to the surface of the pole piece can be removed while the pole piece is not shaken in the laser cutting process, and the quality and the efficiency of laser cutting of the pole piece are greatly improved.
The technical scheme of the utility model is as follows:
the utility model provides a lithium battery pole piece laser cutting anchor clamps, includes base, vacuum adsorption cavity, laser cutting head and dust extraction, the middle part of base is run through there is the installation cavity, install the vacuum adsorption cavity in the installation cavity, the top array of vacuum adsorption cavity is equipped with a plurality of vacuum adsorption hole, the bottom of vacuum adsorption cavity is equipped with the negative-pressure air fan connector, the top of vacuum adsorption cavity is provided with the laser cutting head of fixing on the base, dust extraction is installed to one side of laser cutting head.
Further, the base adopts the marble base.
Furthermore, a plurality of photoelectric sensors are uniformly arranged on the periphery of the top of the vacuum adsorption cavity.
Furthermore, a negative pressure meter is installed on the side wall of the vacuum adsorption cavity.
Further, the vacuum adsorption cavity is enclosed by front side backup pad, back side backup pad, left side backup pad, right side backup pad, roof and bottom plate and establishes to form, the array is equipped with on the roof a plurality of vacuum adsorption hole, be equipped with on the bottom plate the negative-pressure air fan connector.
Further, a reinforcing plate is connected between the left supporting plate and the right supporting plate, a cushion block is installed on the reinforcing plate, a first installation groove is formed in the cushion block, a second installation groove and a third installation groove corresponding to the first installation groove are formed in the front supporting plate and the rear supporting plate respectively, the first installation groove, the second installation groove and the third installation groove are located on the same straight line, light source installation plates are installed on the first installation groove, the second installation groove and the third installation groove, a plurality of first light source installation grooves are formed in the light source installation plates at equal intervals, a second light source installation groove and a third light source installation groove corresponding to the first light source installation grooves are formed in the left supporting plate and the right supporting plate respectively, the first light source installation groove, the second light source installation groove and the third light source installation groove are located on the same straight line, the first light source installation groove, And the second light source mounting groove and the third light source mounting groove are provided with light sources, and the top plate is arranged on the light sources.
Furthermore, two cushion blocks are oppositely arranged on the reinforcing plate, and a light source mounting plate is arranged on each cushion block.
Furthermore, threaded holes are oppositely formed in two sides of the first mounting groove, and the cushion block is connected with the reinforcing plate through an adjusting screw.
Furthermore, the top of preceding collateral branch fagging, back collateral branch fagging, left side backup pad, right side backup pad all is provided with the clamp plate, pass through the fix with screw between clamp plate and the roof.
Furthermore, the front side supporting plate, the rear side supporting plate, the left side supporting plate and the right side supporting plate are connected with the bottom plate through pulling plates.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the marble base is adopted, the lithium battery pole piece is fixed in a vacuum adsorption mode, the feeding and discharging are convenient, the pole piece is easy to take down, the pole piece can be prevented from being damaged, the operation time is saved, the production efficiency is improved, dust adhered to the lower surface of the pole piece can be removed through the negative pressure fan while the pole piece is prevented from shaking in the laser cutting process, and the quality of the lithium battery pole piece cut by laser is improved;
(2) the dust collection device is arranged on one side of the laser cutting head, so that dust adhered to the upper surface of the lithium battery pole piece can be removed during laser cutting, and the quality of the lithium battery pole piece cut by laser can be improved;
(3) whether the lithium battery pole piece is arranged on the vacuum adsorption cavity or not can be automatically detected through the photoelectric sensor, whether the lithium battery pole piece is tightly adsorbed or not can be automatically detected, and the automation degree is high;
(4) the negative pressure gauge can automatically detect the negative pressure of the air flow of the vacuum adsorption cavity, automatically adjust the adsorption force of the vacuum adsorption cavity within a preset negative pressure value range, ensure the stable adsorption of the lithium battery pole piece, and be beneficial to improving the quality of laser cutting the lithium battery pole piece.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is one of schematic structural diagrams of a laser cutting fixture for a lithium battery pole piece according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a laser cutting fixture for a lithium battery pole piece according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a vacuum adsorption chamber according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Examples
Referring to fig. 1 and 2, an embodiment of the utility model provides a lithium battery pole piece laser cutting fixture, which includes a marble base 1, a vacuum adsorption cavity 2, a laser cutting head 3 and a dust suction device 4, wherein an installation chamber penetrates through the middle of the marble base 1, the vacuum adsorption cavity 2 is installed in the installation chamber, a plurality of vacuum adsorption holes 251 are arranged in the top array of the vacuum adsorption cavity 2, a negative pressure fan connector 261 is arranged at the bottom of the vacuum adsorption cavity 2 and connected with a negative pressure fan through the negative pressure fan connector 261, the laser cutting head 3 fixed on the marble base 1 is arranged above the vacuum adsorption cavity 2, and the dust suction device 4 is installed at one side of the laser cutting head 3. The structure principle is as follows: adopt optic fibre laser cutting, install dust extraction 4 through one side at laser cutting head 3, during laser cutting, can detach the dust of lithium-ion battery pole piece upper surface adhesion to adopt marble base 1, fix lithium-ion battery pole piece through vacuum adsorption's mode, guarantee that the pole piece can not shake in the laser cutting process and detach the dust of pole piece lower surface adhesion through negative-pressure air fan. The quality and the efficiency of the laser cutting pole piece are greatly improved.
Further, negative pressure gauge 5 is installed to the lateral wall of vacuum adsorption cavity 2, can feed back through the air current negative pressure that detects vacuum adsorption cavity 2, and the adsorption affinity size of automatically regulated vacuum adsorption cavity 2 in the negative pressure value scope of predetermineeing guarantees that lithium-ion battery pole piece adsorbs steadily. A plurality of photoelectric sensors 6 are uniformly installed on the periphery of the top of the vacuum adsorption cavity 2, and in the embodiment, four photoelectric sensors 6 are respectively arranged at four corners of the vacuum adsorption cavity 2; the photoelectric sensor 6 can automatically detect whether a lithium battery pole piece is arranged on the vacuum adsorption cavity 2, if so, the next processing procedure is carried out, otherwise, an alarm is sent out, in addition, the height between the lithium battery pole piece and the vacuum adsorption cavity 2 can also be detected, when the photoelectric sensor 6 detects that the height difference between the lithium battery pole piece and the vacuum adsorption cavity 2 is not within a preset tolerance range, the alarm is sent out, then the pole piece is automatically leveled through the negative pressure meter 5, otherwise, the OK is judged, and then the laser cutting head 3 carries out laser cutting on the pole piece. Whether the pole piece is absorbed flatly or not is automatically judged by detecting the height difference between the pole piece and the vacuum absorption cavity 2, and then laser cutting is carried out, so that the quality of the laser cutting pole piece is effectively improved.
Specifically, as shown in fig. 3, the vacuum adsorption cavity 2 is surrounded by a front support plate 21, a rear support plate 22, a left support plate 23, a right support plate 24, a top plate 25 and a bottom plate 26, a plurality of vacuum adsorption holes 251 are distributed on the top plate 25 in an array, a negative pressure fan connection port 261 is located on the bottom plate 26, a reinforcing plate 27 is connected between the left support plate 23 and the right support plate 24, two cushion blocks 7 are relatively mounted on the reinforcing plate 27, and a first mounting groove is formed in each cushion block 7; referring to fig. 4, four screw holes 71 are oppositely disposed at both sides of the first mounting groove, the cushion block 7 is connected to the reinforcement plate 27 by four adjusting screws, a second mounting groove and a third mounting groove corresponding to the first mounting groove are respectively disposed on the front side support plate 21 and the rear side support plate 22, the first mounting groove, the second mounting groove and the third mounting groove are located on the same straight line, the light source mounting plate 8 is mounted on the first mounting groove, the second mounting groove and the third mounting groove, the light source mounting plate 8 can be leveled by the tightness of the adjusting screws to ensure the mounting level, the light source mounting plate 8 is equidistantly provided with a plurality of first light source mounting grooves 81, the left side support plate 23 and the right side support plate 24 are respectively provided with a second light source mounting groove and a third light source mounting groove corresponding to the first light source mounting groove 81, the second light source mounting groove and the third light source mounting groove are located on the same straight line, the first light source mounting groove 81, the second light source mounting groove, and the third light source mounting groove are mounted with the light source 9, and the top plate 25 is disposed on the light source 9. In this embodiment, the first light source mounting groove 81, the second light source mounting groove, and the third light source mounting groove are all provided with 56 light sources 9, and therefore 56 light sources 9 can be mounted, and a gap is left between two adjacent light sources 9, so that the residues generated by laser cutting can be prevented from being accumulated in the vacuum absorption hole 251 of the top plate 25, and the service life of the laser cutting machine is prolonged.
Further, the top of the front support plate 21, the rear support plate 22, the left support plate 23 and the right support plate 24 are provided with a pressing plate 28, the pressing plate 28 and the top plate 25 are fixed by screws, and the front support plate 21, the rear support plate 22, the left support plate 23, the right support plate 24 and the bottom plate 26 are connected by a pulling plate 29.
When in use:
1) placing the lithium battery pole piece on the top plate 25, and vacuumizing by using a negative pressure fan;
2) the negative pressure meter 5 detects a negative pressure value, if an alarm occurs, the air pressure does not reach a preset value or the air leakage of the adsorption platform is serious, the abnormality is processed according to a set flow, and if the detection is normal, the next procedure is carried out;
3) the photoelectric sensor 6 detects the height between the lithium battery pole piece and the top plate 25, judges whether the pole piece meets the flatness requirement of laser cutting, if the detection is OK, the next procedure is carried out, otherwise, the vacuum adsorption cavity 2 automatically adjusts the adsorption force according to the feedback of the negative pressure meter 5, and automatically levels the pole piece;
4) cutting the pole piece by laser, and removing dust on the upper surface of the pole piece by a dust suction device 4;
5) and finishing cutting and manually blanking.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lithium battery pole piece laser cutting anchor clamps which characterized in that: including base, vacuum adsorption cavity, laser cutting head and dust extraction, the middle part of base is run through there is the installation cavity, install the vacuum adsorption cavity in the installation cavity, the top array of vacuum adsorption cavity is equipped with a plurality of vacuum adsorption hole, the bottom of vacuum adsorption cavity is equipped with the negative-pressure air fan connector, the top of vacuum adsorption cavity is provided with the laser cutting head of fixing on the base, dust extraction is installed to one side of laser cutting head.
2. The laser cutting clamp for the lithium battery pole piece according to claim 1, is characterized in that: the base adopts the marble base.
3. The laser cutting clamp for the lithium battery pole piece according to claim 1, is characterized in that: a plurality of photoelectric sensors are uniformly arranged on the periphery of the top of the vacuum adsorption cavity.
4. The laser cutting clamp for the lithium battery pole piece according to claim 1, is characterized in that: and a negative pressure meter is arranged on the side wall of the vacuum adsorption cavity.
5. The laser cutting clamp for the lithium battery pole piece according to claim 1, is characterized in that: the vacuum adsorption cavity is enclosed by front side backup pad, back side backup pad, left side backup pad, right side backup pad, roof and bottom plate and establishes and form, the array is equipped with on the roof a plurality of vacuum adsorption hole, be equipped with on the bottom plate the negative-pressure air fan connector.
6. The laser cutting clamp for the lithium battery pole piece according to claim 5, is characterized in that: be connected with the reinforcing plate between left side backup pad and the right side backup pad, install the cushion on the reinforcing plate, be equipped with first mounting groove on the cushion, be equipped with respectively on front side backup pad and the rear side backup pad with corresponding second mounting groove and the third mounting groove of first mounting groove, second mounting groove, third mounting groove are located same straight line, install the light source mounting panel on first mounting groove, second mounting groove, the third mounting groove, the equidistance is equipped with a plurality of first light source mounting groove on the light source mounting panel, be equipped with respectively on left side backup pad and the right side backup pad with corresponding second light source mounting groove and the third light source mounting groove of first light source mounting groove, second light source mounting groove, third light source mounting groove are located same straight line, first light source mounting groove, second light source mounting groove, And the second light source mounting groove and the third light source mounting groove are provided with light sources, and the top plate is arranged on the light sources.
7. The laser cutting clamp for the lithium battery pole piece according to claim 6, is characterized in that: two cushion blocks are oppositely arranged on the reinforcing plate, and a light source mounting plate is arranged on each cushion block.
8. The laser cutting clamp for the lithium battery pole piece according to claim 6 or 7, is characterized in that: threaded holes are oppositely formed in two sides of the first mounting groove, and the cushion block is connected with the reinforcing plate through adjusting screws.
9. The laser cutting clamp for the lithium battery pole piece according to claim 6, is characterized in that: the top of preceding collateral branch fagging, back collateral branch fagging, left side support plate, right side support plate all is provided with the clamp plate, pass through the fix with screw between clamp plate and the roof.
10. The laser cutting clamp for the lithium battery pole piece according to claim 5, is characterized in that: the front side supporting plate, the rear side supporting plate, the left side supporting plate, the right side supporting plate and the bottom plate are connected through pulling plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067149.XU CN215966938U (en) | 2021-08-30 | 2021-08-30 | Lithium battery pole piece laser cutting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067149.XU CN215966938U (en) | 2021-08-30 | 2021-08-30 | Lithium battery pole piece laser cutting clamp |
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| Publication Number | Publication Date |
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| CN215966938U true CN215966938U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122067149.XU Active CN215966938U (en) | 2021-08-30 | 2021-08-30 | Lithium battery pole piece laser cutting clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086502A (en) * | 2023-09-12 | 2023-11-21 | 广东科杰技术股份有限公司 | Vacuum adsorption mechanism and laser cutting equipment |
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2021
- 2021-08-30 CN CN202122067149.XU patent/CN215966938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086502A (en) * | 2023-09-12 | 2023-11-21 | 广东科杰技术股份有限公司 | Vacuum adsorption mechanism and laser cutting equipment |
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