Pouch Cell Secondary Vacuum Sealing Machine with Automatic Puncture

Product Overview

This system is designed for the automatic puncture and secondary vacuum end-sealing process used in pouch batteries. It combines vacuum evacuation, controlled heat sealing, adjustable pressure, and integrated puncture operation in one compact unit. The equipment supports repeatable pouch closure while helping operators maintain consistent sealing conditions across battery production and laboratory development workflows.

The unit is suitable for pouch cell research, pilot production, battery assembly laboratories, and advanced materials facilities working with different battery specifications. Its adjustable sealing parameters accommodate multiple product sizes and process requirements, while the compact footprint makes it practical for workbenches, production cells, and space-constrained research environments.

Built with corrosion-resistant aluminum alloy chamber construction, guided pneumatic movement, and copper sealing heads, the equipment is designed for stable operation under repeated use. Accurate linear guidance helps maintain parallel sealing, while adjustable temperature and pressure provide the process control needed for dependable pouch cell packaging.

Key Features

• Integrated Automatic Puncture: The system includes an automatic puncture function for the pouch battery secondary sealing process, reducing manual intervention and improving workflow consistency.

• Efficient Copper Sealing Heads: Copper construction provides effective heat transfer, helping reduce energy consumption and improve heating efficiency during repeated sealing cycles.

• Adjustable Sealing Temperature: The sealing heads operate from room temperature to 250°C, allowing users to select process conditions appropriate for different pouch materials and battery packaging requirements.

• Precise Temperature Regulation: Temperature control accuracy of ±1.5°C supports repeatable thermal sealing and helps reduce variation between production batches or laboratory samples.

• Regulated Sealing Pressure: Upper and lower head pressure can be adjusted through a pressure-regulating valve across a range of 0–7 kg/cm², allowing the process to be matched to different pouch structures and sealing conditions.

• Guided Pneumatic Motion: Pneumatic cylinders drive the upper and lower sealing heads through two linear guide sleeves. This arrangement provides smooth movement, accurate guidance, and improved parallelism after sealing.

• Reliable Chamber Movement: The chamber is pneumatically driven and guided by linear sleeves for stable vertical movement. Accurate guidance helps support sealing integrity and consistent vacuum enclosure performance.

• Flexible Product Compatibility: The sealing arrangement can accommodate different battery specifications, with simple and convenient adjustment for changing product dimensions.

• Compact Industrial Construction: The equipment combines an attractive, compact form with low weight, making it easier to install in battery laboratories, pilot lines, and small-scale production areas.

Applications

Technical Specifications

The following specifications apply to the supplied configurations. The two variants are differentiated by maximum sealing size and their corresponding listed dimensions.

The adjustable temperature range is suited to pouch sealing processes requiring controlled heat input, while the ±1.5°C control accuracy helps maintain stable thermal conditions during repeated operation. Sealing pressure and dwell time can be adjusted independently to support different packaging materials, pouch thicknesses, and process development requirements.

The vacuum specification is stated as ≤ -96 kPa, with the vacuum pump to be provided by the buyer. This arrangement allows the equipment to be integrated with the facility’s selected vacuum source and existing laboratory or pilot-line infrastructure. Buyers should confirm that the available pump and connections are appropriate for the specified vacuum requirement before installation.

The sealing thickness range of 60–300 μm and the stated difference of less than 15 μm between any two sealing points provide useful controls for pouch closure consistency. The 5 ± 0.4 mm sealing width is listed according to customer requirements, allowing the sealing configuration to be aligned with the intended battery design and packaging process.

Why Choose This Product

• Designed for a Complete Secondary Sealing Step: Automatic puncture and vacuum end sealing are integrated into one dedicated system, reducing handling between process stages and supporting a more consistent workflow.

• Precision-Oriented Mechanical Design: Pneumatic actuation with linear guide sleeves supports smooth movement, accurate alignment, and parallel sealing across repeated cycles.

• Efficient Heat Transfer: Copper sealing heads transfer heat effectively, helping improve heating response and reduce energy use compared with less conductive sealing materials.

• Flexible Process Control: Adjustable temperature, pressure, and sealing time allow the same equipment platform to support different pouch battery formats and development conditions.

• Practical Laboratory and Pilot-Line Format: Compact dimensions, low operating complexity, and compatibility with buyer-supplied vacuum infrastructure make the system suitable for battery R&D and small-scale production environments.

Contact us for a quotation, configuration guidance, or a sealing solution matched to your pouch cell dimensions and process requirements.

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