The automatic welding machine of Li-ion pouch cell performs functions of ultrasonic welding of tab foil, collector and protection sheet, post-welding trimming, protection tape pasting on welded area and so forth.

1. Hi-pot test before welding; compatible with functions of weighing, hot press, etc.
2. Pre-welding cutters equipped with oiling and cleaning facilities to prevent cutter sticking;
3. Welding/cutting station equipped with upper and lower dust partition plates and negative pressure dust removal facilities with air velocity up to 20m/s at the air outlet;
4. Welding machine with a power monitoring system to monitor the welding quality;
5. Automatic tab loading mechanism with tab buffering amount not less than 2-hour usage required by machine. Flow jig can be dusted and cleaned automatically with brush plus negative pressure dust removal;
6. Tab loading is carried out in phase with welding and upper and lower taping is performed directly after taping mechanism picks the tape, resulting in high production efficiency;
7. Inline visual inspection of welding quality and real-time detection of untaped area;
8. Various layouts of single/double station of the welding machine such as turntable type, linear type, etc. compatible with cells with tabs on single side or on both sides.