Lithium Battery Pre Sealing Machine Overview
The Lithium Battery Pre Sealing Machine is used for pouch cell sealing applications in lithium-ion battery production.
During pouch cell assembly, pre-sealing is performed after electrolyte filling and before the formation process. The machine helps control sealing conditions, remove internal gas and prepare cells for subsequent aging and testing procedures.
It is commonly used in battery production lines, pilot-scale manufacturing and laboratory development.
- Core Functions and Purposes
- Temporarily seal to create an airtight environment
- Provide a venting channel for formation
- Prepare for final sealing
Battery Manufacturing Process Position
The pre-sealing process is carried out after electrolyte filling and before battery formation.
It is an important step in pouch cell production to prepare batteries for formation, aging and performance testing.
Pre Sealing Process in Pouch Cell Manufacturing
In pouch cell production, pre sealing is carried out after electrolyte filling.
The process removes excess gas generated during electrolyte wetting and provides initial sealing before formation. Stable sealing conditions help maintain pouch integrity and improve consistency during battery testing.
Equipment Operation Flow
Battery Feeding → Feeding → Pre-sealing → Unloading
Overall Structure (Image for reference, subject to the actual object)
Main Components List
|
No. |
Name |
Function |
QTY |
|
1 |
Feeding and Delivery Device |
The battery is manually placed into the feeding block, and the feeding block is manually pushed into the pre-sealing and clamping station. |
1 set |
|
2 |
Mold Clamping Mechanism |
The battery is automatically clamped and positioned tightly through the left and right mold clamping devices. |
1 set |
|
3 |
Pre-sealing Mechanism |
The upper mold mechanism automatically presses down to complete the pre-sealing of the steel shell. |
1 set |
|
4 |
Unloading Device |
Manual unloading of the material. |
1 set |
|
5 |
Electrical Control System |
Controlled by PLC and human-machine interface (HMI). |
1 set |
Main Components
|
No. |
Name |
Brand |
QTY |
|
1 |
Pneumatic Components |
AIRTAC |
1 PC |
|
2 |
PLC |
Mitsubishi/Panasonic |
1 SET |
|
3 |
Operator Interface |
Xinje OP320 |
1 SET |
|
4 |
Conveyor Motor |
Zhongda |
1 SET |
|
5 |
Relay |
Omron |
1 SET |
|
6 |
Switch Power Supply |
MeanWell |
1 SET |
Equipment Adaptability for Incoming Materials and Product Specifications
Cylindrical Battery: 18650/26700
Verification of Product Process Parameters
|
No. |
Item |
Specification |
|
1 |
Sealing Diameter |
±0.05mm |
|
2 |
Upper Edge Height |
±0.1mm |
Equipment Technical Parameters
Process Parameters:
|
No. |
Process Parameters |
|
|
1 |
Production Capacity |
≥15pcs/min |
|
2 |
Product Qualification Rate |
≥99% |
|
3 |
Compressed Air |
0.6～0.8MPa 20L/min |
|
4 |
Power Supply |
220V/500W |
|
5 |
Equipment Weight |
80Kg |
|
6 |
Equipment Noise |
≤80 db. |
|
7 |
Equipment Dimensions |
550mm(L)*480mm(W)*800mm(H) |
Application Cases
Partner Company
Frequently Asked Questions
What is a battery pre sealing machine used for?
+
-
A battery pre sealing machine is used to perform initial sealing of pouch cells after electrolyte filling and before the formation process.
Where is pre sealing used in lithium battery production?
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Pre sealing is mainly used in pouch cell manufacturing after electrolyte filling and before formation and aging tests.
What batteries can use a pre sealing machine?
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The machine is mainly used for lithium-ion pouch cells, especially during laboratory, pilot and production-scale battery manufacturing.