Plastic Jar Film Heat Sealing Machine

Inline Type Plastic Jar Film Heat Sealing Machine is an automatic packaging machine designed to seal plastic jars with heat-seal film in a continuous inline process, making it ideal for integration into production lines handling food, cosmetics, and chemical products. This machine is commonly used for products like yogurt, sauces, honey, jam, powders, and creams that require a tamper-evident, leak-proof inner seal before capping.

What It Does

The machine performs:

• Continuous jar conveying in a straight line

• Automatic film placement (pre-cut or roll film)

• Heat sealing onto jar mouth

• Optional trimming and discharge

⚙️ How It Works

1. Jar Infeed
   Filled plastic jars move along a conveyor into the sealing station.

2. Film Feeding

   • Pre-cut lids are picked and placed OR

   • Roll film is automatically fed and positioned

3. Heat Sealing Process

   • Heated sealing head presses film onto jar rim

   • Controlled temperature and pressure ensure strong adhesion

4. Cooling & Release

   • Sealed jars move forward without sticking or deformation

5. Discharge

   • Jars exit to capping machine or labeling line

Key Features

• Inline continuous operation for high efficiency

• Compatible with different jar sizes and diameters

• PID temperature control for consistent sealing quality

• PLC + touchscreen HMI control system

• No jar no seal safety function

• Food-grade stainless steel construction (SS304/316)

Typical Specifications

Applications

• Yogurt and dairy jars

• Sauce, jam, and honey jars

• Cosmetic creams and gels

• Powder or supplement jars

• Chemical containers

Advantages

• Tamper-evident sealing for product safety

• Prevents leakage and contamination

• Easy integration with filling and capping lines

• High-speed continuous production

• Flexible for multiple jar formats

Typical Line Integration

Jar Filling Machine → Inline Film Sealing Machine → Capping Machine → Labeling → Cartoning

Important Tips

• Ensure clean jar rims before sealing

• Match film material with jar type

• Adjust temperature and dwell time based on film thickness

• Use cooling station for better seal integrity at high speeds