This machine is applied to automatic puncturing and secondary final vacuum sealing of pouch lithium batteries.
Key Features
- Brass sealing heads feature superior thermal conductivity, lower power consumption and higher efficiency than equivalent equipment
- Pressure of upper and lower sealing heads adjustable via pressure regulators to satisfy various process parameters
- Cylinder-driven sealing heads guided by dual linear bushings for smooth vertical travel and precise alignment to ensure seal edge parallelism
- Built-in automatic puncture function
- Cylinder-driven chamber lid guided by linear bushings for flexible vertical movement and reliable chamber sealing
- Adaptable to multiple cell specifications with simple adjustment
- PLC + HMI control for convenient operation and maintenance
- Aluminum alloy chamber with corrosion resistance and sturdy construction
Technical Specifications
| Ultimate Vacuum |
≤ -96 kPa (vacuum pump supplied by buyer) |
| Sealing Temperature |
RT ~ 250 °C, adjustable |
| Temperature Control Accuracy |
±1.5 °C |
| Adjustable Heat Sealing Pressure |
0–7 kg/cm² |
| Adjustable Sealing Time |
0–99 s |
| Standard Seal Width |
5 mm ±0.4 mm (customizable per customer request) |
| Max Seal Length |
200 mm |
| Seal Thickness Range |
60–500 μm |
| Seal Thickness Uniformity |
Deviation between any two points < 15 μm |
| Gas Consumption |
Approx. 0.2 L compressed gas per sealing cycle |
| Operating Cycle Rate |
≥180 cycles/h |
| Heating Configuration |
250 W heating tube; actual heating power approx. 0.5 kW |
| Control System |
PLC |
| Max Applicable Cell Size |
L250 mm × W190 mm (tab area excluded) |
| Pneumatic Supply |
0.5–0.7 MPa |
| Power Supply |
AC220 V / 50 Hz |
| Rated Power |
0.5 kW |
Applications
- Automatic puncturing and final secondary vacuum sealing of pouch cells for post-formation gas release
- Repeatable, low-operator-dependency degassing and sealing process via PLC + HMI control
- Shell closing step in lab-scale and pilot-line pouch battery production
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