A new type of soft package battery liquid injection machine

The new soft-pack battery liquid injection machine directly evacuates and injects liquid into the battery, solving the problems of high sealing requirements and high vacuum consumption in the existing technology, and improving production efficiency.

CN111446413BActive Publication Date: 2026-07-03SHENZHEN GREENSUN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN GREENSUN TECH CO LTD
Filing Date
2020-04-13
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing liquid injection methods for soft-pack batteries require high cavity sealing, consume a lot of vacuum, and have mediocre injection results, thus affecting production efficiency.

Method used

A new type of soft-pack battery liquid injection machine is adopted, including an injection module, a support module and a clamping module. The soft-pack battery is clamped by the clamping module, and the liquid injection module directly evacuates and injects liquid into the battery, avoiding the need to put the battery into a sealed cavity, thus reducing equipment costs and process steps.

Benefits of technology

This technology enables direct liquid injection into pouch batteries under vacuum conditions, reducing vacuum consumption and equipment costs while improving production efficiency.

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Abstract

This invention provides a novel liquid injection machine for soft-pack batteries, belonging to the field of soft-pack battery liquid injection technology. It includes an injection module, a support module, and several sets of clamping modules supported on the support module. The clamping modules are used to hold the soft-pack batteries. The support module drives the clamping modules to be positioned below the injection module, allowing the injection module to inject liquid into the soft-pack batteries. The clamping module includes an injection pipe for sealingly connecting the soft-pack batteries and the injection module. This invention solves the problems of existing vacuum liquid injection methods, which not only require high sealing performance of the cavity and consume a large amount of vacuum, but also result in poor absorption after liquid injection, requiring an additional settling time for battery absorption, thus affecting production efficiency.
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