Lyric Robot's EV battery winding machine optimizes and integrates the laser cutting and winding equipment for lithium battery electrode, simplifies the process, and effectively improves efficiency, precision, and yield. The need for extreme cost.

Five technical highlights are introduced

01

The industry's advanced composite cutting cavity forming technology eliminates the stubborn problems of "backboard cutting dust accumulation" and "suspended cutting high pole ear jitter"

The back plate cutting technology and the suspended cutting technology commonly used in the industry, the molten beads and dust generated when cutting the electrode are easy to accumulate on the back plate, which will easily cause the electrode to be damaged in the long run, affecting the yield rate; the suspended cutting technology is aimed at high pole ears and thin substrates , The jitter is large, which is easy to cause the laser to defocus, and the associated phenomenon occurs, which affects the machine utilization rate. Lyric Robot's innovative composite cutting cavity forming technology is compatible with scrap-free edge, lamination and small-pitch tab cutting, saving the cost of incoming materials; in terms of dust suppression, the cutting area can reach the 10,000-level cleanliness standard, and the equipment runs continuously and stably for 72H , there is no obvious dust accumulation in the cavity; in terms of pole ear jitter suppression, the cutting pole ear height is greater than or equal to 55mm, and when running at 60m/min, the electrodejitter is less than or equal to ±0.3mm, the pole ear jitter is small, and the dust removal efficiency is high. Eliminate the stubborn ailments of "dust accumulation on the back panel cutting" and "jittering with the pole ear of the high-hanging cutting".

02

The optimized control algorithm supports high-precision and high-speed cutting of tabs of various shapes and sizes

The fixed trajectory flying cutting control algorithm independently developed by Lyric Robot can realize tab cutting with high dimensional accuracy; the tab cutting trajectory can be flexibly customized to support the cutting of various shapes and sizes of tabs and Mark holes; the laser parameters can be divided into multiple sections High-speed real-time follow-up control, combined with optimized cutting station design and process parameters, can achieve high-quality tab cutting; the cutting control algorithm can balance the laser power required for cutting each material segment of the tab, thereby eliminating the speed bottleneck and improving production. The speed can reach 120m/min-150m/min.

03

Chase cutting electrode to improve efficiency and help efficient production capacity

Lyric Robot’s EV battery high-speed winding machine can achieve high-efficiency production of 6-meter-long electrode of 16PPM. After detecting the cutting signal, the cutter performs chase cutting and cutting off the electrode, and the electrode can be cut at a speed of 1000mm/s. , its cutting speed is at the forefront of the industry, increasing the line speed and saving time.

04

Unmanned operation and forward-looking variable diameter needle winding design

Realize non-stop loading and unloading, no manual intervention in the product production process, and use the industry-forward variable diameter rolling needle design, the circumference of the rolling needle can be adjusted ±1.5mm, and the upper and lower needles are independently controlled to achieve non-stop closed-loop, fundamentally It solves the industry problem that the dislocation of the pole ear requires manual intervention, and reduces the cost of manpower and material resources.

05

The application of visual technology greatly improves the alignment

According to the trend of the next level correction, the previous correction reference is automatically adjusted. Through the multi-level correction linkage, the CCD detects the SA/CA distance information, and automatically adjusts all correction reference values. The alignment can be within ±0.3mm, among which the electrode and the diaphragm In the process of winding, it is in a separated state and does not interfere with each other, which improves the precision of the equipment, prevents the tabs from turning over, and avoids the need to manually adjust the correction parameters when the electrode is badly supplied. Solve the gap between the material layers due to uneven trimming, and avoid inconsistent internal resistance of the battery.

Application of Lyric Robot's EV battery high-speed winding machine in 4680 large cylindrical battery

Lyric Robot's EV battery high-speed winding machine is now suitable for square shell/soft pack and 4680 cylindrical battery full-tab cutting and winding. Lyric Robot's EV battery winding machine machine is applied to the manufacturing process of 4680 large cylindrical battery cells with high-precision technology, which fully meets the manufacturing needs of 4680 large cylindrical batteries. In the laser die-cutting part, Lyric Robot uses the high-speed laser slit cutting technology to realize the electrodeless (full-pole) process of the 4680 large cylindrical battery, which solves the problems that the poles are easy to fold, and the battery loses energy quickly and easily heats up. In the winding part, Lyric Robot adopts the pre-bending technology of the tabs, and pre-bends the tabs on the premise of ensuring the high-speed running of the winding wire to ensure the smoothing effect in the later stage. In the flattening part of the tabs, an online vacuuming structure is configured to optimize the dust removal effect, effectively remove foreign metal objects, and prevent the battery from short-circuiting. The flattening accuracy is ±0.3mm through step-by-step variable angle flattening and rotary flattening, which can effectively prevent the tabs from turning back.

The application of Lyric Robot's EV battery high-speed winding machine means that Lyric Robot has mastered the core R&D technology and strong production capacity of the entire production process of lithium batteries. In the future, Lyric Robot will continue to uphold the tenet of establishing a business with technology and practicing hard internal skills, and be oriented to solve all customer problems, carry out forward-looking research and development, strengthen and refine intelligent equipment, and empower the extreme manufacturing of the technology industry!