Full-automatic vacuum capping machine for square-type lithium battery

The utility model discloses a full-automatic vacuum capping machine for a square-type lithium battery, which comprises a bearing plate, as well as a battery on-line mechanism, a battery gumming paper hole pricking mechanism, a battery vacuum-pumping and steel ball pre-capping machine, a battery off-line mechanism, a battery capping and height correcting mechanism and a rotary dividing mechanism which are arranged on the bearing plate and connected with each other, wherein, the battery on-line mechanism comprises a belt conveying mechanism, and a battery on-line pushing plate used for pushing a to-be-capped battery of the belt conveying mechanism to be away from the belt conveying mechanism. The full-automatic vacuum capping machine has higher automation degree and production efficiency, extracts undesirable sundry in the battery, has good vacuum degree, ensures uniform battery thickness, avoids expansion of the battery in the thickness direction and greatly improves the battery quality.