Lithium ion battery positive tab ultrasonic welding positioning die and positioning method
The invention relates to a lithium ion battery positive tab ultrasonic welding positioning die and a positioning method; the positioning die comprises a die body, a spacing surface, a work surface, a welding head protection hole slot and a high temperature rubber pad; the positioning method comprises the following steps: 1, preparing the ultrasonic bonding positioning die; 2, idling a supersonic wave welding machine, and adjusting a supersonic wave welding mark to the center position of a battery cover plate in a width direction; 3, welding. The lithium ion battery positive tab ultrasonic welding positioning die and the positioning method are provided; compared with battery of other technology, the novel battery can improve positive tab welding consistency, thus improving battery performance consistency.