CN217290965U - Full-size cutting equipment for battery pole piece - Google Patents
Full-size cutting equipment for battery pole piece Download PDFInfo
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- CN217290965U CN217290965U CN202221121435.8U CN202221121435U CN217290965U CN 217290965 U CN217290965 U CN 217290965U CN 202221121435 U CN202221121435 U CN 202221121435U CN 217290965 U CN217290965 U CN 217290965U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The application discloses battery pole piece full-size cutting equipment, battery pole piece preparation technical field, including equipment main part, cutting bed device and picosecond or femto second laser cutting device. The cutting table device is provided with a cutting station for supporting the sheets, and the cutting station is provided with a tab cutting groove; the picosecond or femtosecond laser cutting device comprises a picosecond or femtosecond laser cutter with the power of 250W-1000W and is used for cutting the sheet material on the cutting station to form the pole piece provided with the pole lug. The design scheme can well realize the cutting of the coating area of the positive pole piece, and has the advantages of small heat affected area, difficult generation of dust, less splashing of molten beads, good edge burr control effect and the like. Realize utmost point ear, the full laser cutting of coating district integral type of positive pole piece material, guaranteed cutting efficiency and cutting quality, satisfied the volume production demand, solved not enough that traditional hardware mould cutting mode exists.
Description
The priority of Chinese patent with application number of 202123084325.7 and application date of 2021-12-09
Technical Field
The application relates to the technical field of battery pole piece preparation, in particular to full-size cutting equipment for a battery pole piece.
Background
Lithium ion batteries have the advantages of high specific energy, high cycle times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers (consumer batteries), and are also widely applied to large and medium-sized electric equipment (power batteries) such as electric automobiles, electric bicycles, electric tools and the like, solar power generation equipment, wind power generation equipment and renewable energy sources stored energy sources (energy storage batteries).
The laminated battery is one of lithium batteries, has the advantages of high energy density, small internal resistance, good discharging platform, convenience for quick charging and discharging of large current, no dead angle and the like, and has a new development trend along with the release of a global head laminated battery application white paper 'Chinese vehicle-level power high-speed laminated battery development white paper'.
For the laminated battery, a plurality of pole pieces with the pole lugs need to be processed in advance, and the pole pieces are sequentially laminated to form the battery. The existing pole piece cutting procedures comprise pole lug cutting and coating area cutting. The electrode lug is usually cut by using a nanosecond laser cutting device, however, the coating area is complex in material composition, a hardware die cutting process is usually adopted for cutting, particularly for the anode piece, if the nanosecond laser cutting device is used for cutting, a molten bead is easily generated, the heat influence is large, the production requirement cannot be met, and therefore, only the hardware die cutting process can be used for cutting. And this also makes current positive pole piece cutting, can't realize utmost point ear, the full laser cutting of coating district integral type, leads to pole piece production efficiency to have a low problem, and hardware mould cuts and makes the pole piece produce the burr easily moreover, leads to the film-making bad, and long-term maintenance cost is high moreover.
SUMMERY OF THE UTILITY MODEL
In view of this, the purpose of this application is to provide a battery sheet full-size cutting equipment, can realize utmost point ear, the full laser cutting of coating district integral type of positive pole piece material, guarantee cutting efficiency and cutting quality, solved the not enough that traditional hardware mould cutting mode exists.
In order to achieve the above technical object, the present application provides a battery pole piece full-size cutting equipment, including:
an apparatus main body;
the cutting table device is arranged on the equipment main body and is provided with a cutting station for supporting sheets, and a lug cutting groove is formed in the cutting station;
the picosecond or femtosecond laser cutting device comprises a picosecond or femtosecond laser cutter with the power of 250W-1000W, and the picosecond or femtosecond laser cutter is used for cutting the sheet on the cutting station to form the pole piece configured with the pole lug.
Further, the picosecond or femtosecond laser cutter comprises:
the laser device comprises at least two picosecond or femtosecond laser units, wherein the at least two picosecond or femtosecond laser units are arranged according to a first preset array rule array.
Furthermore, a cutting groove is also arranged on the cutting station;
the picosecond or femtosecond laser cutter is used for cutting the sheet materials on the cutting station to form at least two pole pieces provided with the pole lugs.
Further, still include:
a dust hood;
the dust hood is covered on the top of the cutting station;
an avoidance notch for avoiding the cutting light of the picosecond or femtosecond laser cutter is arranged at the top of the dust removal cover;
a group of air knives are respectively arranged on the dust removing cover at the two sides of the cutting station;
the air outlets of the two groups of air knives are horizontally arranged in opposite directions;
and an air outlet is formed in the top of the dust hood.
Further, the dust hood comprises a first hood section and a second hood section;
the first cover section is arranged on the cutting station, the avoiding notch is formed in the top of the first cover section, and the two groups of air knives are arranged at the bottom of the first cover section;
the second cover section with first cover section is the angle and connects and sets up, the gas outlet is located second cover section top.
Further, the device also comprises a pre-positioning device;
the pre-positioning device is used for correcting the position of the sheet material.
Furthermore, the pre-positioning device comprises a first rotating device, and a first feeding station, a first positioning station, a first discharging station and a second positioning station which are sequentially distributed around the first rotating device at equal angles;
a first material transfer device and a second material transfer device are fixedly connected to a rotating shaft of the first rotating device;
the first material transfer device can rotate among the first feeding station, the first positioning station and the first discharging station;
the second material transfer device can rotate among the first feeding station, the second positioning station and the first blanking station;
the first positioning station and the second positioning station are respectively provided with a correcting device for correcting the position of the sheet;
the first blanking station is butted with the picosecond or femtosecond laser cutting device.
Further, the correcting device comprises a detection unit and a shifting unit which are distributed from top to bottom.
Furthermore, a connecting plate is fixedly connected to a rotating shaft of the first rotating device, and the first material transfer device and the second material transfer device are fixedly connected to the rotating shaft through the connecting plate.
Furthermore, the connecting plate is in a cross shape, two adjacent end parts of the connecting plate are respectively provided with the first material transfer device, and the other two adjacent end parts of the connecting plate are respectively provided with the second material transfer device.
Further, the first material transfer device and the second material transfer device both comprise sucker units mounted on the connecting plate.
Further, the cutting table device comprises a second rotating device, and a second feeding station, a CCD detection station, the cutting station and a second discharging station which are distributed around the second rotating device;
the second feeding station is in butt joint with the pre-positioning device, and a CCD detection device is arranged on the CCD detection station.
According to the technical scheme, the full-size cutting equipment for the battery pole piece comprises an equipment main body, a cutting table device and a picosecond or femtosecond laser cutting device. The cutting table device is provided with a cutting station for supporting the sheets, and the cutting station is provided with a tab cutting groove; the picosecond or femtosecond laser cutting device comprises a picosecond or femtosecond laser cutter with the power of 250W-1000W and is used for cutting the sheet material on the cutting station to form the pole piece provided with the pole lug. The power of the picosecond or femtosecond laser cutter is 250-1000W to cut the positive pole piece, so that the cutting of the coating area of the positive pole piece can be well realized, and the method has the advantages of small heat affected area, difficult dust generation, less molten bead splashing, good edge burr control effect and the like. This application this design has realized the utmost point ear of positive pole piece material, the full laser cutting of coating district integral type, guarantees cutting efficiency and cutting quality, satisfies the volume production demand, has solved not enough that traditional hardware mould cutting mode exists, has important promotion meaning to the further development of lamination battery.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a perspective view of a full-size cutting apparatus for battery pole pieces provided in the present application;
FIG. 2 is a partial top view of a pre-positioning device of a full-scale battery pole piece cutting apparatus provided herein;
fig. 3 is a perspective view of a pre-positioning device of a full-size cutting apparatus for battery pole pieces provided in the present application;
fig. 4 is a perspective view of a cutting table device of a full-size cutting device for battery pole pieces provided in the present application;
fig. 5 is a perspective view of a dust hood of a full-scale cutting apparatus for battery pole pieces provided in the present application;
FIG. 6 is a front view of a dust hood of a full-scale cutting apparatus for battery pole pieces provided herein;
fig. 7 is a schematic diagram illustrating dust removal simulation of a dust hood of a full-size cutting apparatus for a battery pole piece provided in the present application;
FIG. 8 is a schematic cut view of a sheet;
in the figure: 100. an apparatus main body;
200. a cutting table device; 211. a second rotating device; 221. a second feeding station; 222. a CCD detection station; 223. a cutting station; 224. a second blanking station; 231. a loading seat; 241. a CCD detection device;
300. a pre-positioning device; 311. a first feeding station; 312. a first positioning station; 313. a first blanking station; 314. a second positioning station; 32. a first rotating device; 33. a first material transfer device; 34. a second material transfer device; 35. a corrective device; 351. a detection unit; 352. a shift unit; 36. a connecting plate; 37. a suction cup unit;
1. picosecond or femtosecond laser cutters; 11. a picosecond or femtosecond laser unit; 02. a sheet material; 03. pole pieces; 031. a tab; 2. a dust hood; 21. a first shroud segment; 22. a second shroud segment; 23. an air knife; 24. avoiding the notch; 25. and an air outlet.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses battery pole piece full-size cutting equipment.
Referring to fig. 1, an embodiment of a full-size cutting apparatus for a battery pole piece provided in an embodiment of the present application includes:
an apparatus main body 100, a cutting table device 200, and a picosecond or femtosecond laser cutting device;
the cutting table device 200 is installed on the device main body 100, and is provided with a cutting station 223 for supporting the sheet 02, and the cutting station 223 is provided with a tab cutting groove.
The picosecond or femtosecond laser cutting device comprises a picosecond or femtosecond laser cutter 1 with the power of 250W-1000W, and the picosecond or femtosecond laser cutter 1 is used for cutting the sheet material 02 on the cutting station 223 to form the pole piece 03 provided with the pole lug 031. The power of the picosecond or femtosecond laser cutter 1 with the power of 250W-1000W is used for cutting the positive pole piece 03, so that the cutting of the coating area of the positive pole piece 03 can be well realized, and the method has the advantages of small heat affected area, difficulty in generating dust, less splashing of molten beads, good edge burr control effect and the like. This application this design has realized the full laser cutting of utmost point ear 031, the coating district integral type of positive pole piece material, guarantees cutting efficiency and cutting quality, satisfies the volume production demand, has solved not enough that traditional hardware mould cutting mode exists, has important promotion meaning to the further development of lamination battery.
The picosecond or femtosecond laser cutting device in the application is a galvanometer type picosecond or femtosecond laser cutting device.
The above is a first embodiment of a full-size cutting device for a battery pole piece provided in the embodiments of the present application, and the following is a second embodiment of a full-size cutting device for a battery pole piece provided in the embodiments of the present application, please refer to fig. 1 to 8 specifically.
The scheme based on the first embodiment is as follows:
further, as a specific range of the laser power, any two power end points of 250W, 300W, 350W, 400W, 450W, 500W, 550W, 600W, 650W, 700W, 750W, 800W, 850W, 900W, 950W, 1000W, for example, 300W to 500W, may be used.
Further, in order to realize the cutting of the sheet 02 with a larger width, for example, a pole piece material with a width of 250mm or more, the picosecond or femtosecond laser cutter 1 may be designed to include at least two picosecond or femtosecond laser units 11, and the at least two picosecond or femtosecond laser units 11 are arranged in a first preset array regular array. The picosecond or femtosecond laser unit comprises a scanning galvanometer and a laser, receives a laser beam emitted by the laser through the scanning galvanometer, and cuts the pole piece material according to a preset cutting path. Taking 590 battery pole pieces as an example, the actual length of 530mm (that is, the width of the pole piece material used for preparing 590 battery pole pieces is more than 530 mm), the cutting can be realized by splicing 270mm +270mm, so that the number of the vibrating mirrors is increased to further increase the coverage breadth of the vibrating mirrors.
Furthermore, a cutting groove is further formed in the cutting station 223, and the picosecond or femtosecond laser cutter 1 is used for cutting the sheet 02 on the cutting station 223 to form at least two pole pieces 03 provided with the pole lugs 031.
Taking two picosecond or femtosecond laser units 11 as an example, they may be adjacently disposed with respect to the length direction of the sheet 02. As shown in fig. 8, that is, for the sheet 02, one picosecond or femtosecond laser unit 11 is responsible for cutting and forming the tab 031, and the two pole pieces 03 are formed by jointly dividing the sheet 02 by the two picosecond or femtosecond laser units 11, that is, for the dividing line of the two pole pieces 03, the two picosecond or femtosecond laser units 11 are respectively cut from both ends.
Further, in order to reduce the influence of cutting dust on the cutting quality, a dust hood 2 is also designed.
The dust hood 2 is covered on the top of the cutting station 223, an avoiding notch 24 for avoiding cutting light of the picosecond or femtosecond laser cutter 1 is arranged on the top of the dust hood 2, and it should be noted that an avoiding opening for showing the sheet 02 on the cutting station 223 is correspondingly arranged on the bottom of the dust hood 2.
A set of air knives 23 are respectively arranged on the dust hood 2 at the two sides of the cutting station 223, air outlets of the two sets of air knives 23 are horizontally arranged in opposite directions, and an air outlet 25 is arranged at the top of the dust hood 2. Through the collocation of two sets of air knives 23 in front and back, can be through adjusting air velocity and pressure distribution, make the third dust excluding hood 2 form specific fluid direction to furthest takes away the dust. Two sets of air knives 23 specifically can locate the dodging open-ended left and right sides border position of dust excluding hood 2 bottom, during the use, the air velocity and the pressure design of the air knife 23 that is located the right side are less than the air velocity and the pressure of left air knife 23, can play the guide effect to the air current that left side air knife 23 came out, avoid the right side position in the dust excluding hood 2 to produce the vortex simultaneously, make the third dust excluding hood 2 in form like the specific fluid direction that figure 7 shows, thereby the dust is taken away to the at utmost. Compare in traditional left side air inlet, the mode of upper right corner dust absorption drainage has better dust removal effect.
Further, the dust hood 2 comprises a first hood section 21 and a second hood section 22, the first hood section 21 is arranged on the cutting station 223, the avoiding notch 24 is formed in the top of the first hood section 21, and the two groups of air knives 23 are arranged at the bottom of the first hood section 21; the second cover section 22 is connected with the first cover section 21 at an angle and arranged upwards, and the air outlet 25 is arranged at the top of the second cover section 22.
Further, a pre-positioning device 300 is included, the pre-positioning device 300 being used for correcting the position of the sheet 02. The pre-positioning device 300 is used for correcting the position of the sheet 02, so that the cutting precision of the sheet 02 can be further improved, and the quality of the pole piece 03 is improved.
The pre-positioning device 300 comprises a first rotating device 32, and a first feeding station 311, a first positioning station 312, a first discharging station 313 and a second positioning station 314 which are sequentially distributed around the first rotating device 32 at equal angles.
A first material transfer device 33 and a second material transfer device 34 are fixedly connected to a rotating shaft of the first rotating device 32; the first material transfer device 33 is rotatable between a first loading station 311, a first positioning station 312 and a first unloading station 313; the second material transfer device 34 is rotatable between a first loading station 311, a second positioning station 314 and a first unloading station 313; the first positioning station 312 and the second positioning station 314 are both provided with a correcting device 35 for correcting the position of the sheet material 02; the first loading station 311 is interfaced with a first picosecond or femtosecond laser cutting device and the first unloading station 313 is interfaced with the cutting table device 200.
The pre-positioning device 300 of this design still possesses the correction effect, and adopts the mode of dislocation correction to carry out the position correction respectively to the sheet 02 of continuous input, has the advantage that the correction is efficient.
For example, when there is a sheet 02 at the first loading station 311, the first material transfer device 33 moves to above the first loading station 311 by the first rotating device 32 to grab the sheet 02, and after the first material transfer device 33 grabs the sheet 02, the first rotating device 32 rotates, at which time, the first material transfer device 33 moves the sheet 02 to the first positioning station 312, and the second material transfer device 34 is located at the second positioning station 314 to grab the sheet 02 straightened by the straightening device 35 to the cutting station device 200.
After the first material transfer device 33 clamps the sheet 02, the first rotating device 32 rotates, at this time, the first material transfer device 33 moves the sheet 02 to the first positioning station 312, the correcting device 35 adjusts the position of the sheet 02, and the second material transfer device 34 is located at the second positioning station 314; after the straightening device 35 at the first positioning station 312 finishes straightening, the first material transfer device 33 moves the sheet 02 to the first unloading station 313, and at this time, the second material transfer device 34 is located at the first loading station 311 to clamp the next sheet 02.
Further, the straightening device 35 includes a detecting unit 351 and a shifting unit 352 distributed from top to bottom, and the first positioning station 312 and the second positioning station 314 are disposed between the detecting unit 351 and the shifting unit 352. Specifically, the material transferring device places the sheet 02 on the shifting unit 352, the detecting unit 351 acquires the position of the sheet 02, if the position of the sheet 02 is deviated, the shifting unit 352 moves the sheet 02 to a specified position, and when the detecting unit 351 detects that the position of the sheet 02 is correct, the sheet 02 can be clamped into the first blanking station 313 through the material transferring device; the detection unit 351 may be a CCD detection module, and specifically includes a camera capable of acquiring position information of the sheet 02 and a processing unit for determining whether the position of the sheet 02 is correct; the shifting unit 352 may be an xy θ positioning platform for bearing the sheet 02, and a structure such as a suction cup for fixing the sheet 02 is disposed on the positioning platform, and the positioning platform realizes movement control through a structure such as a ball screw module driven by a motor.
Further, a connecting plate 36 is fixedly connected to a rotating shaft of the first rotating device 32, and the first material transfer device 33 and the second material transfer device 34 are fixedly connected to the rotating shaft through the connecting plate 36.
Specifically, the connecting plate 36 is in a cross shape, two adjacent ends of the connecting plate 36 are respectively provided with a first material transfer device 33, and the other two adjacent ends of the connecting plate 36 are respectively provided with a second material transfer device 34. For example, for the path from the first loading station 311, the first positioning station 312 to the first unloading station 313, the first material transfer device 33 mounted on the connecting plate 36 can reciprocate between the first loading station 311 and the first positioning station 312 to clamp the sheet 02 to the first positioning station 312, and the second first material transfer device 33 can reciprocate between the first positioning station 312 and the first unloading station 313 to place the corrected sheet 02 to the first unloading station 313, which is equivalent to that the first rotating device 32 only needs to rotate for a reciprocating degree to complete the circulation of the sheet 02; similarly, the second material transferring device 34 is also located from the first loading station 311, the second positioning station 314 to the first unloading station 313.
Of course, the connecting plate 36 may also be designed into an "I" shape, and the first material transfer device 33 and the second material transfer device 34 are respectively installed at two ends of the connecting plate 36. The difference from the above embodiment is that the first rotating device 32 needs to rotate 180 degrees, and the circulation of the sheet 02 from the first loading station 311, the positioning station to the first unloading station 313 is completed through a material transferring device.
Further, the first material transfer device 33 and the second material transfer device 34 each include a suction cup unit 37 mounted on the connection plate 36. In the present embodiment, each first material transfer device 33 includes four suction cup units 37 mounted on the connecting plate 36, and each second material transfer device 34 includes four suction cup units 37 mounted on the connecting plate 36.
Further, the cutting table device 200 includes a second rotating device 211, and a second feeding station 221, a CCD detection station 222, a cutting station 223 and a second discharging station 224 which are distributed around the second rotating device 211; the second feeding station 221 is in butt joint with the pre-positioning device 300, and a CCD detection device 241 is arranged on the CCD detection station 222 (fine positioning station). The CCD detection device 41 is used for detecting the position information of the sheet on the CCD detection station 222 and feeding back the position information to the picosecond or femtosecond laser cutting device, so as to adjust the scanning path of the galvanometer in the picosecond or femtosecond laser cutting device according to the fed-back information, thereby realizing accurate cutting and playing a role in fine positioning.
Specifically, the rotating end of the second rotating device 211 is fixedly connected with four material loading seats 231, and the four material loading seats 231 are circumferentially distributed along the axis of the rotating end. After the first material transfer device 33 or the second material transfer device 34 places the corrected sheet 02 on the material loading seat 231, the second rotating device 211 drives the material loading seat 231 to sequentially pass through the CCD detection station 222, the cutting station 223 and the second blanking station 224, so as to complete positioning, cutting and blanking.
Further, this cutting equipment of this application can gain more excellent film-making efficiency, film-making quality when cutting application to nickel cobalt lithium manganate battery cathode material, lithium iron phosphate battery cathode material, cobalt acid lithium battery cathode material, lithium manganate manganese battery cathode material, nickel cobalt aluminic acid lithium battery cathode material, manganese phosphate lithium battery cathode material, manganese iron phosphate lithium battery cathode material or sodium ion battery cathode material.
While the present disclosure has been described in detail with reference to the drawings, it is to be understood that the same reference numerals are used to designate the same elements, components, and features of the present disclosure, which are not limited to the specific embodiments.
Claims (12)
1. The utility model provides a battery sheet full size cutting equipment which characterized in that includes:
an apparatus main body;
the cutting table device is arranged on the equipment main body and is provided with a cutting station for supporting sheets, and a lug cutting groove is formed in the cutting station;
the picosecond or femtosecond laser cutting device comprises a picosecond or femtosecond laser cutter with the power of 250W-1000W, and the picosecond or femtosecond laser cutter is used for cutting the sheet on the cutting station to form the pole piece configured with the pole lug.
2. The full-size cutting device for battery pole pieces, according to claim 1, characterized in that the picosecond or femtosecond laser cutter comprises:
the laser device comprises at least two picosecond or femtosecond laser units, wherein the at least two picosecond or femtosecond laser units are arranged according to a first preset array rule array.
3. The full-size cutting equipment for the battery pole piece according to claim 2, wherein a cutting groove is further formed in the cutting station;
the picosecond or femtosecond laser cutter is used for cutting the sheet materials on the cutting station to form at least two pole pieces provided with the pole lugs.
4. The full-size cutting device for battery pole pieces, according to claim 1, is characterized by further comprising:
a dust hood;
the dust hood is covered on the top of the cutting station;
an avoidance notch for avoiding the cutting light of the picosecond or femtosecond laser cutter is arranged at the top of the dust removal cover;
a group of air knives are respectively arranged on the dust removing cover at the two sides of the cutting station;
the air outlets of the two groups of air knives are horizontally arranged in opposite directions;
and an air outlet is formed in the top of the dust hood.
5. The full-size cutting equipment for the battery pole pieces, according to claim 4, is characterized in that the dust hood comprises a first hood section and a second hood section;
the first cover section is arranged on the cutting station, the avoiding notch is formed in the top of the first cover section, and the two groups of air knives are arranged at the bottom of the first cover section;
the second cover section with first cover section is the angle and connects and sets up, the gas outlet is located second cover section top.
6. The full-size cutting equipment for the battery pole piece according to claim 1, characterized by further comprising a pre-positioning device;
the pre-positioning device is used for correcting the position of the sheet material.
7. The full-size cutting equipment for the battery pole pieces, as claimed in claim 6, wherein the pre-positioning device comprises a first rotating device, and a first feeding station, a first positioning station, a first discharging station and a second positioning station which are sequentially distributed around the first rotating device at equal angles;
a first material transfer device and a second material transfer device are fixedly connected to a rotating shaft of the first rotating device;
the first material transfer device can rotate among the first feeding station, the first positioning station and the first discharging station;
the second material transfer device can rotate among the first feeding station, the second positioning station and the first blanking station;
the first positioning station and the second positioning station are respectively provided with a correcting device for correcting the position of the sheet;
the first blanking station is butted with the picosecond or femtosecond laser cutting device.
8. The full-size cutting equipment for the battery pole pieces, according to claim 7, is characterized in that the correction device comprises a detection unit and a displacement unit which are distributed from top to bottom.
9. The full-size cutting equipment for the battery pole pieces according to claim 7, wherein a connecting plate is fixedly connected to a rotating shaft of the first rotating device, and the first material transfer device and the second material transfer device are fixedly connected with the rotating shaft through the connecting plate.
10. The full-size cutting equipment for the battery pole pieces according to claim 9, wherein the connecting plate is in a cross shape, two adjacent ends of the connecting plate are respectively provided with the first material transfer device, and the other two adjacent ends of the connecting plate are respectively provided with the second material transfer device.
11. The full-size cutting equipment for the battery pole pieces according to claim 10, wherein the first material transfer device and the second material transfer device comprise sucking disc units which are arranged on the connecting plate.
12. The full-size cutting equipment for the battery pole pieces according to claim 11, wherein the cutting table device comprises a second rotating device, and a second feeding station, a CCD detection station, the cutting station and a second blanking station which are distributed around the second rotating device;
the second feeding station is in butt joint with the pre-positioning device, and a CCD detection device is arranged on the CCD detection station.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021230843257 | 2021-12-09 | ||
| CN202123084325 | 2021-12-09 |
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| CN217290965U true CN217290965U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221121428.8U Active CN217290964U (en) | 2021-12-09 | 2022-05-11 | Laser cutting device and positive pole piece production equipment |
| CN202221121435.8U Active CN217290965U (en) | 2021-12-09 | 2022-05-11 | Full-size cutting equipment for battery pole piece |
| CN202221123279.9U Active CN217290966U (en) | 2021-12-09 | 2022-05-11 | Battery pole piece cutting equipment |
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| CN202221121428.8U Active CN217290964U (en) | 2021-12-09 | 2022-05-11 | Laser cutting device and positive pole piece production equipment |
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| CN115635188A (en) * | 2022-12-23 | 2023-01-24 | 深圳市兴禾自动化股份有限公司 | Processing method of battery pole piece, battery pole piece and processing device of battery pole piece |
| CN117506172B (en) * | 2024-01-05 | 2024-04-23 | 江苏先进光源技术研究院有限公司 | High-quality lithium battery pole piece laser cutting device and method |
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