Back Sealing Strip Packaging Machine Introduction
The Back Sealing Strip Packaging Machine is an automatic plastic film packaging solution engineered for stable, high-speed forming, filling, and sealing of small bags. Designed for composite packaging films and flexible production requirements, it supports customized configurations while maintaining reliable output. With a bag making range of 20–80 mm in width and up to 150 mm in length, it delivers consistent packaging quality for liquids, powders, and granules, making it a practical choice for modern manufacturing lines that demand efficiency and dependable sealing performance.
Product Advantages
Stable Output and Efficient Production
The machine operates at 20–40 bags per minute, supporting continuous production while maintaining consistent sealing and cutting performance. Its automatic workflow reduces manual intervention and improves overall line efficiency.
Reliable Sealing for Multiple Product Types
Back sealing width is adjustable within 5–10 mm and features a clean, pattern-free finish for a neat appearance. For horizontal sealing, the machine provides an 8–10 mm sealing width with optional diagonal mesh (1 mm spacing) or straight pattern (2 mm spacing) to enhance seal strength and visual consistency across different film types.
Enhanced Leak-Prevention for Liquid Packaging
For liquid applications, a 1 mm horizontal sealing leak-proof line is available to improve sealing integrity and reduce the risk of leakage during handling, transport, and storage.
Accurate Measuring and Consistent Bag Forming
Measurement accuracy is rated at ±1–10% depending on packaging materials and fill quantity, helping maintain stable dosing performance across diverse products. The bag pulling system uses a variable-frequency motor crank structure with heat-sealed bag pulling to support smooth film transport and repeatable bag length control.
Clean Control and Reliable Detection
PLC control provides stable operation, quick parameter setting, and repeatable production performance. A JULONG dual-color photoelectric eye supports accurate tracking for film alignment and cutting positions, improving consistency for printed films and registration marks.
Technical Specifications
| Item | Specification |
|---|---|
| Machine Name | Back Sealing Strip Packaging Machine |
| Type | Automatic |
| Bag Making Range | Bag Width: 20–80 mm; Bag Length: ≤150 mm |
| Speed | 20–40 bags/min |
| Measurement Accuracy | ±1–10% (depending on packaging materials and quantity) |
| Packaging Film | Composite packaging materials (plastic film compatible) |
| Back Sealing Width | 5–10 mm, no pattern |
| Horizontal Sealing Width | 8–10 mm; diagonal mesh pattern (1 mm spacing) or straight pattern (2 mm spacing) |
| Horizontal Sealing Leak-Proof Line | 1 mm (only applicable to liquid packaging) |
| Sealing Form | Twisted edge adhesive sealing |
| Bag Pulling Method | Variable frequency motor crank structure; heat-sealed bag pulling |
| Cutting Method | Flat cut or serrated cut (independent cutter); 3 mm spacing between cutters |
| Control System | PLC control |
| Optoelectronic Eye | JULONG dual-color photoelectric |
| Machine Material | Stainless steel |
| Weight | 350 kg |
| Size | Customized |
Application Areas
This machine is suitable for automated packaging of a broad range of products using composite plastic films. Typical applications include liquid pouch packaging requiring improved sealing integrity, as well as powder and granule packaging where consistent bag forming and stable cutting are important. It is commonly used in food and beverage, daily chemical, agricultural products, and general industrial packaging operations where compact bag sizes, clean back sealing, and dependable horizontal sealing performance are required.
