Automatic Tube Shoulder Injection, Foil Sealing & Capping System

Automatic Tube Shoulder Injection, Foil Sealing & Capping System

he Automatic Tube Shoulder Injection, Foil Sealing & Capping System is a fully integrated production solution designed for the manufacture and finishing of aluminum-plastic laminate and all-plastic tubes. Combining precision tube shoulder injection molding with automated aluminum foil sealing and cap tightening, the system delivers a continuous, high-speed production process for cosmetic, pharmaceutical, personal care, food, and chemical packaging applications.

The production line is controlled by an advanced PLC system with an intuitive touchscreen Human-Machine Interface (HMI), enabling easy operation, parameter adjustment, and real-time monitoring. From tube loading and shoulder injection to foil insertion, heat sealing, capping, and product discharge, each process is fully automated to ensure consistent quality, high production efficiency, and reduced labor requirements.

Designed for seamless integration into automated tube manufacturing lines, the system utilizes precision indexing technology, servo-driven mechanisms, and accurate plastic metering to produce tubes with excellent dimensional accuracy, reliable sealing performance, and aesthetically finished shoulders. Its robust construction, stable operation, and simple maintenance make it an ideal solution for manufacturers seeking increased productivity and dependable performance.

Specifications

Key Features

• Fully automatic production line for tube shoulder injection, foil sealing, and capping
• PLC-controlled system with user-friendly touchscreen HMI
• Suitable for aluminum-plastic laminate and all-plastic tubes
• Automatic tube loading, positioning, injection molding, cooling, demolding, sealing, capping, and unloading
• Precision tube indexing for accurate positioning throughout the production process
• Automatic aluminum foil insertion and punching
• Dual-stage heat sealing for reliable foil adhesion
• Double-head automatic cap feeding and tightening
• Servo-driven and variable frequency controlled mechanisms for precise and adjustable operation
• Accurate plastic injection for consistent shoulder formation
• Robot-assisted finished product handling
• Adjustable settings for different tube sizes and production requirements
• Stable, reliable operation with low maintenance requirements
• High-speed production with reduced labor costs
• Easy mold replacement and product changeover

Applications

This integrated system is ideal for manufacturing and finishing tubes used in:

• Cosmetics and skincare products
• Toothpaste
• Pharmaceutical products
• Personal care products
• Food packaging
• Chemical products
• Industrial packaging
• Adhesives and specialty products

Suitable for:

• Aluminum-plastic laminate tubes
• Plastic squeeze tubes
• Composite tubes

Production Process

1. Automatic tube loading
2. Precision tube positioning and indexing
3. Tube shoulder injection molding
4. Cooling and demolding
5. Automatic foil insertion
6. Aluminum foil punching
7. Primary heat sealing
8. Secondary heat sealing
9. Automatic cap feeding
10. Double-head cap tightening
11. Automatic finished product discharge

Benefits

• Combines multiple manufacturing processes into one efficient production line
• Increases production output while maintaining consistent product quality
• Minimizes manual handling and labor costs
• Delivers accurate tube shoulder molding and reliable foil sealing
• Produces secure, leak-resistant tube closures
• Flexible configuration for various tube sizes and product types
• Suitable for continuous, high-volume manufacturing
• Provides stable operation with excellent repeatability and production reliability

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