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Turntable 4-Station Top Side Sealing Machine Pouch Battery Heat Sealing Equipment for Top and Side Edges
This Turntable 4-Station Top & Side Sealing Machine is designed for top and side edge sealing of small to medium pouch batteries. Featuring a 4-station turntable driven by a high-precision cam roller indexer, the system automatically transfers batteries through loading, top sealing, side sealing, and unloading stations. Double-sided heating sealing heads with precision guide mechanisms apply heat and pressure to the aluminum laminated film, creating a reliable hermetic seal.
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4-Station Top Side Sealing Machine Product Overview
The Turntable 4-Station Top & Side Sealing Machine is a specialized heat sealing system for the top and side edge sealing of small to medium soft pack (pouch) lithium batteries. The machine utilizes a 4-station turntable with automatic clamp opening/closing, driven by a high-precision cam roller indexer for accurate and smooth indexing. At the sealing stations, double-sided heating sealing heads with precision guide mechanisms apply heat and pressure to the aluminum laminated film through thermal conduction, melting and bonding the film layers to create a hermetic seal around the battery cell.
Pouch battery top sealing machine Key Features & Advantages
| Feature | Benefit |
| 4-Station Turntable Design | Efficient batch processing with continuous operation; automatic clamp opening/closing |
| High-Precision Cam Indexer | Indexing accuracy ≤30″ for stable and accurate turntable positioning |
| Double-Sided Heating Sealing Heads | Uniform heat distribution from both sides for consistent seal quality |
| Precision Guide Mechanism | ±0.01mm sealing head parallelism for even pressure application |
| Precise Temperature Control | ±2°C accuracy ensures consistent melting and bonding of aluminum laminated film |
| Adjustable Parameters | Sealing temperature, time, and pressure easily set via HMI |
| Dual Cylinder Sizes Available | Standard (63mm) and Large (80mm) models for different battery sizes |
| Tool-Free Quick Changeover | Easy sealing head replacement for different battery models |
| No Vacuum Source Required | Simple installation and operation (atmospheric sealing) |
| Ergonomic Operation | Single loading/unloading station for easy operator access |
| Compact Footprint | Small floor space requirement (from 900×850mm) |
Sealing Process Details
Top Sealing: Seals the top edge of the pouch battery where the tabs exit. This is typically the final seal before the battery is considered complete.
Side Sealing: Seals the side edge of the pouch battery, which may have been previously cut after the formation process.
Double-Sided Heating: Both upper and lower sealing heads are heated to ensure even heat transfer through the aluminum laminated film.
Thermal Conduction Bonding: Heat and pressure are applied to melt the inner layers of the aluminum laminated film, creating a strong, hermetic seal.
Sealing Quality: Consistent seal thickness (0.14-0.3mm) and width (3-12mm depending on model) ensure reliable battery encapsulation.
Control System
PLC Control: The system is fully controlled by a PLC for reliable and repeatable sealing operations.
HMI Touchscreen: User-friendly interface for setting sealing temperature, time, and pressure parameters.
Temperature Monitoring: Real-time temperature display with alarm for abnormal temperature conditions.
Pressure Control: Sealing head pressure controlled by precision pneumatic cylinders with adjustable pressure regulators.
Interlock Protection: The turntable will not index unless the current station operation is completed.
Battery edge sealing machine Specifications
Parameter Model P-TAS200 P-TAS350 Applicable Battery Size Side seal ≤180mm, top seal ≤180mm (incl. gas bag), thickness 3-10mm Side seal ≤300mm, top seal ≤300mm (incl. gas bag), thickness 3-10mm Sealing Head Length 200mm 350mm Sealing Width 3-8mm (customer-specified upon order) 3-12mm (customer-specified upon order) Sealed Edge Thickness 0.14 – 0.3mm 0.14 – 0.3mm Top Sealing Cylinder Bore 63mm 80mm Side Sealing Cylinder Bore 63mm 80mm Sealing Temperature Room temp – 230°C adjustable, control accuracy ±2°C Room temp – 230°C adjustable, control accuracy ±2°C Sealing Head Parallelism ±0.01mm ±0.01mm Sealing Time 0 – 99.9 seconds adjustable 0 – 99.9 seconds adjustable Turntable Indexing Accuracy High-precision cam roller indexer, ≤30″ High-precision cam roller indexer, ≤30″ Mechanical Speed 5PPM (varies by operator skill and sealing time) 3.5PPM (varies by operator skill and sealing time) Air Source ≥0.5MPa, 80L/min ≥0.5MPa, 80L/min Power Supply AC220V, 3KW AC220V, 3KW Vacuum Source Not required Not required Machine Dimensions 900mm(L) × 850mm(W) × 1600mm(H) 1300mm(L) × 1100mm(W) × 1700mm(H) Machine Weight Approx. 1T Approx. 1T