This equipment is for vacuum pumping and pre-heat sealing of pouch lithium batteries after electrolyte filling and soaking. With precise control of the vacuum chamber and pneumatic heat-sealing assembly, it automatically completes vacuum heat sealing of battery aluminum-laminated film shells.

Key Features

Brass sealing heads with outstanding thermal conductivity, energy-saving and higher efficiency than comparable equipment
Pressure of upper and lower heads adjustable via pressure regulators to meet diverse process requirements
Cylinder-driven sealing heads guided by dual linear bushings for precise alignment to guarantee seal edge parallelism
Observation window enables real-time monitoring of internal chamber status
Cylinder-operated chamber lid guided by rotary bushings for smooth vertical movement and reliable chamber sealing
Supports multiple cell sizes with simple adjustment
Split layout of main unit and control cabinet, compatible with glove box and production line operation
PLC + touchscreen control for user-friendly operation
Aluminum alloy chamber with corrosion resistance and solid structure

Technical Specifications

Vacuum Level	Adjustable up to -95 kPa (vacuum pump supplied by buyer)
Control System	PLC
Sealing Temperature	RT ~ 250 °C, adjustable
Temperature Control Accuracy	±2 °C
Adjustable Heat Sealing Pressure	0–8 kg/cm²
Adjustable Sealing Time	0–99 s
Standard Seal Width	5 mm ±0.4 mm (custom widths available per request)
Max Seal Length	200 mm
Max Applicable Cell Size	L190 mm (including tabs) × W160 mm (including gas bag)
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 Element	300 W heating tube; actual heating power approx. 0.6 kW
Power Supply	AC220 V / 50 Hz
Pneumatic Supply	0.4–0.6 MPa (for glove box deployment, cylinder drive gas must match glove box working gas)
Working Unit Dimensions	L470 × W485 × H435 mm
Control Cabinet Dimensions	L420 × W325 × H225 mm
Net Weight	Main unit 33 kg, control cabinet 16 kg, total 49 kg

Applications

Vacuum pumping and pre-sealing of pouch cells after electrolyte filling and soaking, prior to formation
Degassing preparation step in pouch lithium-ion battery pilot-line and lab-scale production
Compatible with glove box integration for inert-atmosphere pouch cell assembly workflows

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