Laser etching and slitting all-in-one machine
By designing a laser etching striping machine, the automatic processing and slitting of lithium battery poles is solved, and the problem of continuous processing of the preamble of the battery poles in the prior art is solved, and the production efficiency and product quality are improved.
Patent Information
- Application Number
- CN202421735032.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing laser strippers cannot continuously process the preamble of the lithium battery pole, resulting in low production efficiency and quality.
A laser etching striping machine is designed to achieve precise processing and slitting of the battery pole sheet through automatic processing of unwinding, first etching, second etching, buffering, striping and winding. Laser etching technology is used to process trenches on the surface of the electrode sheet to improve the electrolyte wetting effect and lithium ion diffusion coefficient.
It realizes automatic production and processing of battery pole pieces, improves production efficiency and product quality, ensures processing accuracy and consistency of etching grooves, and reduces production costs and energy consumption.
Smart Images
Figure CN222896693U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pole piece processing, in particular to a laser etching and striping integrated machine. Background Art
[0002] With the rapid development of modern economy and science and technology, the requirements for automation of lithium-ion battery manufacturing equipment are getting higher and higher. In the development process of lithium-ion batteries, the substrate of lithium-ion batteries is getting thinner and thinner, and the battery capacity requirements are getting larger and larger. Therefore, the requirements for production are getting higher and higher. The slitting machine is a device that uses a slitting tool to cut the wide roll of material longitudinally when it is rewound to the required specifications, such as slitting the lithium battery electrode roll into positive electrode roll and negative electrode roll. The existing laser slitting machine cannot continuously process the front part of the battery electrode, so it is necessary to further improve the existing slitting equipment. Utility Model Content
[0003] To solve the above problems, the laser etching of the utility model processes grooves on the surface of the electrode by laser scribing, which can provide effective capillary transmission, increase the electrolyte infiltration effect and speed, reduce the pore tortuosity of the electrode, and improve the effective lithium ion diffusion coefficient of the laser etching and slitting machine.
[0004] The technical solution adopted by the utility model is: a laser etching and slitting integrated machine, including a base frame, a reeling mechanism, a first etching mechanism, a second etching mechanism, a cache mechanism, a slitting mechanism and a reeling mechanism arranged in sequence on the base frame, the reeling mechanism is used for reeling off a battery electrode and passing through the first etching mechanism, the second etching mechanism, the cache mechanism, the slitting mechanism and the reeling mechanism in sequence, the first etching mechanism is used for etching a first etching groove on one side of the battery electrode, the second etching mechanism is used for etching a second etching groove on the other side of the battery electrode, the cache mechanism is used for caching the etched battery electrode, the slitting mechanism is used for cutting the battery electrode into a first electrode and a second electrode, the reeling mechanism includes a first reeling assembly and a second reeling assembly, the first reeling assembly is used for reeling in the first electrode, and the second reeling assembly is used for reeling in the second electrode.
[0005] A further improvement to the above scheme is that the unwinding mechanism includes an unwinding adjustment module, an unwinding drive module and an unwinding guide module, the unwinding drive module is installed on the unwinding adjustment module, the unwinding adjustment module is used to adjust the position of the unwinding drive module to adapt to battery electrodes of different widths, and the unwinding guide module is used to guide the electrode toward the first etching mechanism.
[0006] A further improvement to the above scheme is that the first etching mechanism includes a first etching box, a first etching traction roller, a first correction module, a first etching drive module, a first etching guide roller, a first laser etching head and a first etching dust removal module, a first side plate is arranged in the first etching box, a plurality of first etching traction rollers are arranged, and a plurality of first etching traction rollers are arranged on the first side plate, the first correction module is used for correcting the battery pole piece, the first etching drive module is used for driving the first laser etching head to rise and fall, the first etching guide roller is used for guiding the battery pole piece, the first laser etching head faces the first etching guide roller, and the first etching dust removal module is located on one side of the first etching guide roller.
[0007] A further improvement to the above scheme is that the first etching drive module, the first etching guide roller, the first laser etching head and the first etching dust removal module are symmetrically arranged in two groups.
[0008] A further improvement to the above scheme is that the second etching mechanism includes a second etching box, a second etching traction roller, a second correction module, a second etching drive module, a second etching guide roller, a second laser etching head and a second etching dust removal module, a second side plate is arranged in the second etching box, a plurality of second etching traction rollers are arranged, and a plurality of second etching traction rollers are arranged on the second side plate, the second correction module is used for correcting the battery pole piece, the second etching drive module is used for driving the second laser etching head to rise and fall, the second etching guide roller is used for guiding the battery pole piece, the second laser etching head faces the second etching guide roller, and the second etching dust removal module is located on one side of the second etching guide roller.
[0009] A further improvement to the above scheme is that the second etching drive module, the second etching guide roller, the second laser etching head and the second etching dust removal module are symmetrically arranged in two groups.
[0010] A further improvement to the above scheme is that it also includes a line scan detection mechanism, which is located on the rear side of the second etching mechanism; the line scan detection mechanism includes a first detection module and a second detection module, the first detection module is used to detect the first etching groove, and the second detection module is used to detect the second etching groove.
[0011] A further improvement to the above scheme is that the cache mechanism includes a cache bracket, a fixed guide roller arranged on the cache bracket, a cache drive module and a cache guide roller installed on the cache drive module, and the cache drive module is used to drive the cache guide roller to rise and fall and slide to cache the battery poles.
[0012] A further improvement to the above scheme is that it also includes a 3D measuring mechanism, which is arranged on the cache mechanism. The 3D measuring mechanism is provided with two groups and is used to perform line scanning detection on the first etching groove and the second etching groove on the battery electrode.
[0013] A further improvement to the above solution is that the stripping mechanism includes a stripping introduction module, a stripping cutting module and a stripping exporting module, and the stripping introduction module is used to guide the battery pole pieces on the buffer mechanism toward the stripping cutting module.
[0014] A further improvement to the above scheme is that the stripping and cutting module includes a stripping bracket, a stripping guide roller installed on the stripping bracket, and a slitting knife arranged on the stripping guide roller, and the slitting is used to cut the battery pole piece to form a first pole piece and a second pole piece.
[0015] A further improvement to the above solution is that the strip lead-out module is used to roll up the first pole piece and the second pole piece toward the first winding assembly and the second winding assembly respectively.
[0016] The beneficial effects of the utility model are:
[0017] Compared with the existing battery pole piece processing, the utility model realizes the automated production and processing of the battery pole piece by using components such as unwinding mechanism, etching mechanism, buffer mechanism, stripping mechanism and winding mechanism. The entire production process from unwinding to winding can be completed automatically, which greatly reduces manual intervention and operation and improves production efficiency. The battery pole piece is etched by the first etching mechanism and the second etching mechanism, so that the two sides of the battery pole piece can be accurately processed. The setting of the buffer mechanism allows the etched battery pole piece to be fully processed and wait for a certain period of time, ensuring the processing quality and consistency. The application of the stripping mechanism further improves the production efficiency, and the battery pole piece is quickly and accurately cut into the first pole piece and the second pole piece. The application of laser etching technology makes the processing of the battery pole piece more accurate and high-quality. Laser technology can achieve micron-level processing accuracy. For the etching groove processing on the battery pole piece, it can ensure the consistency of processing depth and shape, and improve the production quality and performance stability of the battery pole piece. The overall design organically combines the links of unwinding, etching, stripping and winding to form an integrated production and processing line. This integrated design reduces the intermediate links and transfer links in the production process, reduces production costs and energy consumption, and improves the overall efficiency of the production line. Through the processing of the laser etching and slitting machine, the first and second pole pieces produced have high-quality surface etching grooves, ensuring the performance and stability of the battery pole pieces. At the same time, the automated production process reduces the impact of human factors on the quality of the finished product, ensuring the consistency and reliability of the product.
[0018] Laser etching processes grooves on the surface of the electrode through laser scribing, which can provide effective capillary transmission, increase the electrolyte infiltration effect and speed, reduce the pore tortuosity of the electrode, increase the effective lithium ion diffusion coefficient, and form grooves to store electrolyte, thereby improving the battery cycle retention rate and reducing the internal resistance of the battery, reducing lithium plating at the negative electrode. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional schematic diagram of the laser etching and slitting integrated machine of the utility model;
[0020] Figure 2 for Figure 1 A three-dimensional schematic diagram of the laser etching and slitting machine from another perspective;
[0021] Figure 3 for Figure 1 The main schematic diagram of the laser etching and slitting machine;
[0022] Figure 4 for Figure 3 Sectional view of AA in the middle;
[0023] Figure 5 for Figure 1 A schematic diagram of the structure of the unwinding mechanism of the laser etching and slitting machine;
[0024] Figure 6 for Figure 1 A schematic diagram of the structure of the first etching mechanism of the laser etching and striping machine;
[0025] Figure 7 for Figure 1 A schematic diagram of the structure of the second etching mechanism of the laser etching and slitting machine;
[0026] Figure 8 for Figure 1 A schematic diagram of the structure of the cache mechanism of the laser etching and striping machine;
[0027] Fig. 9 for Figure 1 Schematic diagram of the structure of the slitting mechanism of the laser etching and slitting machine.
[0028] Description of reference numerals: chassis 1, unwinding mechanism 2, unwinding adjustment module 21, unwinding driving module 22, unwinding guide module 23;
[0029] A first etching mechanism 3, a first etching box 31, a first side plate 311, a first etching traction roller 32, a first deviation correction module 33, a first etching drive module 34, a first etching guide roller 35, a first laser etching head 36, and a first etching dust removal module 37;
[0030] A second etching mechanism 4, a second etching box 41, a second side plate 411, a second etching traction roller 42, a second deviation correction module 43, a second etching drive module 44, a second etching guide roller 45, a second laser etching head 46, and a second etching dust removal module 47;
[0031] Cache mechanism 5, cache bracket 51, fixed guide roller 52, cache drive module 53, cache guide roller 54;
[0032] Slitting mechanism 6, slitting introduction module 61, slitting cutting module 62, slitting support 621, slitting guide roller 622, slitting knife 623, slitting export module 63;
[0033] Winding mechanism 7, first winding assembly 71, second winding assembly 72;
[0034] Line scanning detection mechanism 8, first detection module 81, second detection module 82, 3D measurement mechanism 9;
[0035] Battery pole piece 10 , first etching groove 101 , second etching groove 102 . DETAILED DESCRIPTION
[0036] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0037] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.
[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.
[0039] like Figures 1 to 9As shown, in one embodiment of the utility model, a laser etching and slitting integrated machine is involved, including a base frame 1, a reeling mechanism 2, a first etching mechanism 3, a second etching mechanism 4, a cache mechanism 5, a slitting mechanism 6 and a reeling mechanism 7 which are sequentially arranged on the base frame 1, the reeling mechanism 2 is used for reeling the battery electrode and passing through the first etching mechanism 3, the second etching mechanism 4, the cache mechanism 5, the slitting mechanism 6 and the reeling mechanism 7 in sequence, the first etching mechanism 3 is used for etching a first etching groove 101 on one side of the battery electrode 10, the second etching mechanism 4 is used for etching a second etching groove 102 on the other side of the battery electrode 10, the cache mechanism 5 is used for caching the etched battery electrode 10, the slitting mechanism 6 is used for cutting the battery electrode 10 into a first electrode and a second electrode, the reeling mechanism 7 includes a first reeling assembly 71 and a second reeling assembly 72, the first reeling assembly 71 is used for reeling the first electrode, and the second reeling assembly 72 is used for reeling the second electrode. This embodiment uses components such as an unwinding mechanism 2, an etching mechanism, a buffer mechanism 5, a stripping mechanism 6 and a winding mechanism 7 to realize the automated production and processing of the battery pole piece 10. The entire production process from unwinding to winding can be completed automatically, which greatly reduces manual intervention and operation and improves production efficiency. The battery pole piece 10 is etched by the first etching mechanism 3 and the second etching mechanism 4, so that the two sides of the battery pole piece 10 can be accurately processed. The setting of the buffer mechanism 5 allows the etched battery pole piece 10 to be fully processed and wait for a certain period of time, ensuring the processing quality and consistency. The application of the stripping mechanism 6 further improves the production efficiency, and quickly and accurately cuts the battery pole piece 10 into a first pole piece and a second pole piece. The application of laser etching technology makes the processing of the battery pole piece 10 more accurate and high-quality. Laser technology can achieve micron-level processing accuracy. For the etching groove processing on the battery pole piece 10, it can ensure the consistency of processing depth and shape, and improve the production quality and performance stability of the battery pole piece 10. The overall design organically combines the links of unwinding, etching, stripping and winding to form an integrated production and processing line. This integrated design reduces the intermediate links and transfer links in the production process, reduces production costs and energy consumption, and improves the overall efficiency of the production line. Through the processing of the laser etching and slitting machine, the first and second pole pieces produced have high-quality surface etching grooves, ensuring the performance and stability of the battery pole piece 10. At the same time, the automated production process reduces the impact of human factors on the quality of the finished product, ensuring the consistency and reliability of the product.
[0040] Laser etching processes grooves on the surface of the electrode through laser scribing, which can provide effective capillary transmission, increase the electrolyte infiltration effect and speed, reduce the pore tortuosity of the electrode, increase the effective lithium ion diffusion coefficient, and form grooves to store electrolyte, thereby improving the battery cycle retention rate and reducing the internal resistance of the battery, reducing lithium plating at the negative electrode.
[0041] See also Figure 5 As shown, the unwinding mechanism 2 includes an unwinding adjustment module 21, an unwinding drive module 22 and an unwinding guide module 23, wherein the unwinding drive module 22 is mounted on the unwinding adjustment module 21, and the unwinding adjustment module 21 is used to adjust the position of the unwinding drive module 22 to adapt to the battery pole pieces 10 of different widths, and the unwinding guide module 23 is used to guide the pole piece toward the first etching mechanism 3. In this embodiment, the design of the unwinding adjustment module 21 enables the unwinding drive module 22 to adjust the position according to the battery pole pieces 10 of different widths, so as to achieve flexible adaptation to battery pole pieces 10 of different specifications. This design ensures that the equipment can handle battery pole pieces 10 of different sizes and specifications, and improves the versatility and flexibility of the production line. The function of the unwinding guide module 23 is to accurately guide the pole piece toward the first etching mechanism 3, ensuring that the position of the battery pole piece 10 during the etching process is stable and accurate. Accurate guidance can ensure that the processing position of the etching groove is accurate, and improves the processing quality and product stability. The installation of the unwinding drive module 22 and the flexible adjustment of the unwinding adjustment module 21 enable the battery pole piece 10 to enter the processing area of the etching mechanism at a stable speed and posture, ensuring the efficient production process. This design can improve the production efficiency of the production line, reduce the need for downtime adjustment due to size changes of the battery pole piece 10, and reduce the idle time of the production line.
[0042] See also Figure 6As shown, the first etching mechanism 3 includes a first etching box 31, a first etching traction roller 32, a first deviation correction module 33, a first etching drive module 34, a first etching guide roller 35, a first laser etching head 36 and a first etching dust removal module 37. A first side plate 311 is provided in the first etching box 31. The first etching traction roller 32 is provided with multiple groups, and multiple groups of the first etching traction rollers 32 are provided on the first side plate 311. The first deviation correction module 33 is used for correcting the battery pole piece 10. The first etching drive module 34 is used to drive the first laser etching head 36 to rise and fall. The first etching guide roller 35 is used to guide the battery pole piece 10. The first laser etching head 36 faces the first etching guide roller 35. The first etching dust removal module 37 is located on one side of the first etching guide roller 35. Specifically, the first etching drive module 34, the first etching guide roller 35, the first laser etching head 36 and the first etching dust removal module 37 are symmetrically provided with two groups. In this embodiment, the design of the first correction module 33 enables the battery pole piece 10 to be corrected before entering the etching mechanism, ensuring that the position of the battery pole piece 10 during the etching process is stable and accurate. The function of the correction is to eliminate the deflection or dislocation that may occur in the battery pole piece 10 during transportation, thereby improving the processing accuracy and product quality. The function of the first etching drive module 34 is to drive the lifting and lowering of the first laser etching head 36 to ensure that the depth and position of the laser etching are accurate. This design can improve the accuracy and consistency of the etching process and ensure the stability and performance of the product. The setting of the first etching guide roller 35 enables the battery pole piece 10 to be stably guided during the etching process, ensuring that the processing position of the etching groove is accurate. Stable guidance can improve the processing quality and product consistency. The setting of the first etching dust removal module 37 cleans the dust and waste generated during the etching process, keeps the etching environment clean, avoids the impact of dust on equipment and products, and is also beneficial to the health and safety of employees.
[0043] See also Figure 7As shown, the second etching mechanism 4 includes a second etching box 41, a second etching traction roller 42, a second deviation correction module 43, a second etching drive module 44, a second etching guide roller 45, a second laser etching head 46 and a second etching dust removal module 47. A second side plate 411 is provided in the second etching box 41. The second etching traction roller 42 is provided with multiple groups, and multiple groups of the second etching traction rollers 42 are arranged on the second side plate 411. The second deviation correction module 43 is used for correcting the battery pole piece 10. The second etching drive module 44 is used to drive the second laser etching head 46 to rise and fall. The second etching guide roller 45 is used to guide the battery pole piece 10. The second laser etching head 46 faces the second etching guide roller 45. The second etching dust removal module 47 is located on one side of the second etching guide roller 45. Specifically, the second etching drive module 44, the second etching guide roller 45, the second laser etching head 46 and the second etching dust removal module 47 are symmetrically arranged in two groups. In this embodiment, the design of the second correction module 43 enables the battery pole piece 10 to be corrected before entering the etching mechanism, ensuring that the position of the battery pole piece 10 during the etching process is stable and accurate. The function of the correction is to eliminate the deflection or dislocation that may occur in the battery pole piece 10 during transportation, thereby improving the processing accuracy and product quality. The function of the second etching drive module 44 is to drive the lifting and lowering of the second laser etching head 46 to ensure that the depth and position of the laser etching are accurate. This design can improve the accuracy and consistency of the etching process and ensure the stability and performance of the product. The setting of the second etching guide roller 45 enables the battery pole piece 10 to be stably guided during the etching process, ensuring that the processing position of the etching groove is accurate. Stable guidance can improve the processing quality and product consistency. The setting of the second etching dust removal module 47 cleans the dust and waste generated during the etching process, keeps the etching environment clean, avoids the impact of dust on equipment and products, and is also beneficial to the health and safety of employees.
[0044] It also includes a line scanning detection mechanism 8, which is located at the rear side of the second etching mechanism 4; the line scanning detection mechanism 8 includes a first detection module 81 and a second detection module 82, the first detection module 81 is used to detect the first etching groove 101, and the second detection module 82 is used to detect the second etching groove 102. In this embodiment, the scanning detection mechanism 8 detects the first etching groove 101 and the second etching groove 102 through the first detection module 81 and the second detection module 82 respectively. This design can realize real-time monitoring of the processing quality of the etching groove to ensure that the shape, depth and consistency of the etching groove meet the requirements. Through the application of the line scanning detection mechanism 8, possible problems or defects in the processing of the etching groove, such as insufficient depth, irregular shape, etc., can be discovered in time, so as to adjust and correct the processing parameters in time to ensure the quality and stability of the product. The real-time detection function of the line scanning detection mechanism 8 helps to find problems and deal with them in time during the processing process, reduce the generation of defective and waste products, reduce production costs, and improve production efficiency. The line scanning detection mechanism 8 can record the processing data of the etching groove, including information such as depth, shape, position, etc., to provide data support for quality control and process optimization, and also provide a reliable basis for quality traceability.
[0045] See also Figure 8 As shown, the cache mechanism 5 includes a cache bracket 51, a fixed guide roller 52 arranged on the cache bracket 51, a cache drive module 53, and a cache guide roller 54 installed on the cache drive module 53, wherein the cache drive module 53 is used to drive the cache guide roller 54 to rise and fall and slide to cache the battery pole piece 10. In this embodiment, the cache mechanism 5 can realize the cache function of the battery pole piece 10 through the arrangement of the cache bracket 51, the fixed guide roller 52 and the cache guide roller 54, and the rise and fall sliding of the cache drive module 53. This design can realize temporary storage and buffering of the battery pole piece 10 during the processing process, which is conducive to the smooth operation of the production line and the improvement of production efficiency. By caching the battery pole piece 10 by the cache mechanism 5, the damage and waste of the battery pole piece 10 caused by the shutdown of the production line or abnormal conditions can be reduced. At the same time, the cache mechanism 5 also helps to avoid collision or other damage to the battery pole piece 10 during transportation. By temporarily storing the battery pole pieces 10 through the buffer mechanism 5 , the production line can maintain a stable feeding state during the production process, thereby avoiding production line shutdown or discontinuity of production rhythm caused by unstable feeding.
[0046] It also includes a 3D measuring mechanism 9, which is arranged on the cache mechanism 5. The 3D measuring mechanism 9 is provided with two groups and is used to perform line scanning detection on the first etching groove 101 and the second etching groove 102 on the battery pole piece 10. In this embodiment, the first etching groove 101 and the second etching groove 102 on the battery pole piece 10 are detected by the 3D measuring mechanism 9, so that high-precision three-dimensional scanning measurement of the etching groove can be achieved. This design can provide more comprehensive and accurate etching groove data, including information on shape, depth, size, etc. The application of the 3D measuring mechanism 9 can realize real-time monitoring of the processing quality of the etching groove, timely discover possible problems or defects, such as irregular shape, insufficient depth, etc., which helps to adjust the processing parameters in time to ensure the quality and stability of the product. The etching groove data obtained by the 3D measuring mechanism 9 can be deeply analyzed to provide a reliable basis for process optimization and quality control. At the same time, the data can also be fed back to the production line to achieve closed-loop control and further improve the accuracy and consistency of product processing. The efficient scanning capability and real-time monitoring function of the 3D measuring mechanism 9 help to reduce the time and cost of manual inspection and improve the efficiency and automation level of the production line.
[0047] See also Fig. 9 As shown, the stripping mechanism 6 includes a stripping introduction module 61, a stripping cutting module 62 and a stripping exporting module 63, wherein the stripping introduction module 61 is used to guide the battery pole piece 10 on the cache mechanism 5 toward the stripping cutting module 62. Specifically, the stripping cutting module 62 includes a stripping bracket 621, a stripping guide roller 622 installed on the stripping bracket 621, and a slitting knife 623 arranged on the stripping guide roller 622, wherein the stripping is used to cut the battery pole piece 10 to form a first pole piece and a second pole piece. The stripping exporting module 63 is used to reel the first pole piece and the second pole piece toward the first winding assembly 71 and the second winding assembly 72, respectively. In this embodiment, the automatic stripping and slitting of the battery pole piece 10 is realized through the synergistic effect of the stripping introduction module 61, the stripping cutting module 62 and the stripping exporting module 63. Such a design can improve the automation level of the production line, reduce the cost of manual operation, and also reduce the error caused by human factors. The striping bracket 621, striping guide roller 622 and slitting knife 623 provided in the striping and cutting module 62 can realize the precise cutting of the battery pole piece 10, ensuring that the first pole piece and the second pole piece formed are of precise size and neat edges, meeting the processing requirements of the product. The striping export module 63 rolls up the first pole piece and the second pole piece toward the first winding assembly 71 and the second winding assembly 72 respectively, realizing the efficient collection of the processed products and providing convenience for the subsequent processes. The integrated striping mechanism 6 can realize the automation and efficiency of the processing process of the battery pole piece 10, improve the overall efficiency of the production line, and reduce the time and cost of manual intervention.
[0048] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A laser etching and slitting machine, characterized in that: It includes a base frame, a reeling mechanism, a first etching mechanism, a second etching mechanism, a cache mechanism and a reeling mechanism which are sequentially arranged on the base frame. The reeling mechanism is used to reel the battery pole piece and sequentially pass through the first etching mechanism, the second etching mechanism, the cache mechanism and the reeling mechanism. The first etching mechanism is used to etch a first etching groove on one side of the battery pole piece, the second etching mechanism is used to etch a second etching groove on the other side of the battery pole piece, and the cache mechanism is used to cache the battery pole piece after etching.
2. The laser etching and striping integrated machine according to claim 1, characterized in that: The unwinding mechanism includes an unwinding adjustment module, an unwinding drive module and an unwinding guide module. The unwinding drive module is installed on the unwinding adjustment module. The unwinding adjustment module is used to adjust the position of the unwinding drive module to adapt to battery electrodes of different widths. The unwinding guide module is used to guide the electrode toward the first etching mechanism.
3. The laser etching and striping integrated machine according to claim 1, characterized in that: The first etching mechanism includes a first etching box, a first etching traction roller, a first correction module, a first etching drive module, a first etching guide roller, a first laser etching head and a first etching dust removal module. A first side plate is arranged in the first etching box. Multiple groups of the first etching traction rollers are arranged. Multiple groups of the first etching traction rollers are arranged on the first side plate. The first correction module is used for correcting the battery pole piece. The first etching drive module is used to drive the first laser etching head to rise and fall. The first etching guide roller is used for guiding the battery pole piece. The first laser etching head faces the first etching guide roller. The first etching dust removal module is located on one side of the first etching guide roller.
4. The laser etching and slitting integrated machine according to claim 3, characterized in that: The first etching drive module, the first etching guide roller, the first laser etching head and the first etching dust removal module are symmetrically arranged in two groups.
5. The laser etching and slitting integrated machine according to claim 1, characterized in that: The second etching mechanism includes a second etching box, a second etching traction roller, a second correction module, a second etching drive module, a second etching guide roller, a second laser etching head and a second etching dust removal module. A second side plate is arranged in the second etching box. A plurality of second etching traction rollers are arranged. The plurality of second etching traction rollers are arranged on the second side plate. The second correction module is used for correcting the battery pole piece. The second etching drive module is used for driving the second laser etching head to rise and fall. The second etching guide roller is used for guiding the battery pole piece. The second laser etching head faces the second etching guide roller. The second etching dust removal module is located on one side of the second etching guide roller.
6. The laser etching and slitting integrated machine according to claim 5, characterized in that: The second etching drive module, the second etching guide roller, the second laser etching head and the second etching dust removal module are symmetrically arranged in two groups.
7. The laser etching and slitting integrated machine according to claim 1, characterized in that: It also includes a line scan detection mechanism, which is located at the rear side of the second etching mechanism; the line scan detection mechanism includes a first detection module and a second detection module, the first detection module is used to detect the first etching groove, and the second detection module is used to detect the second etching groove.
8. The laser etching and slitting integrated machine according to claim 1, characterized in that: The cache mechanism includes a cache bracket, a fixed guide roller arranged on the cache bracket, a cache drive module and a cache guide roller installed on the cache drive module. The cache drive module is used to drive the cache guide roller to rise and fall and slide to cache the battery pole piece.
9. The laser etching and slitting integrated machine according to claim 1, characterized in that: It also includes a 3D measuring mechanism, which is arranged on the cache mechanism. The 3D measuring mechanism has two groups and is used to perform line scanning detection on the first etching groove and the second etching groove on the battery electrode sheet.
10. The laser etching and slitting machine according to claim 1, characterized in that: It also includes a slitting mechanism, the slitting mechanism is used to slit the battery electrode sheet into a first electrode sheet and a second electrode sheet, the winding mechanism includes a first winding assembly and a second winding assembly, the first winding assembly is used to wind up the first electrode sheet, and the second winding assembly is used to wind up the second electrode sheet; The stripping mechanism includes a stripping introduction module, a stripping cutting module and a stripping exporting module, wherein the stripping introduction module is used to guide the battery electrode on the buffer mechanism toward the stripping cutting module; The stripping and cutting module comprises a stripping support, a stripping guide roller mounted on the stripping support, and a slitting knife arranged on the stripping guide roller, and the slitting is used to cut the battery pole piece into a first pole piece and a second pole piece; The strip-leading module is used to roll up the first pole piece and the second pole piece toward the first winding assembly and the second winding assembly respectively.