Back Sealing Strip Packaging Machine
The Back Sealing Strip Packaging Machine is a compact, stainless-steel vertical packaging solution designed to complete bag forming, dosing/filling, and back sealing in one continuous automated cycle. Controlled by a PLC and equipped with dual-color photoelectric tracking, it delivers stable daily output for liquids, powders, and granules while helping operators maintain consistent pouch dimensions, clean seals, and accurate film registration. With flexible settings within its specified bag range, selectable cutting styles, and hygiene-friendly construction, the machine supports reliable production for manufacturers seeking repeatable packaging quality and efficient operation.
Product Features
Integrated forming–filling–sealing in one streamlined process
The machine combines pouch making, product filling, and final sealing into a single workflow, reducing manual intervention and minimizing variation between batches. This integrated design improves throughput and helps standardize finished pouch appearance and sealing strength, making it suitable for continuous production where consistency and efficiency are essential.
Stable back sealing with controlled sealing width
Back sealing is engineered to produce neat, firm seams with a controlled sealing width, supporting dependable pouch integrity across a wide range of products. This structure helps ensure the finished bag maintains shape and strength during handling, packing, and transport, especially for small-format sachets and strip-style bags.
Enhanced sealing integrity for liquid packaging (optional leak-proof line)
For liquid applications, an optional horizontal sealing leak-proof line can be configured to strengthen seal security and reduce the likelihood of seepage. This is particularly valuable when packaging fluid materials where sealing cleanliness and edge integrity are critical to maintaining product safety and shelf stability.
Two cutting styles for presentation and usability
To match different market preferences and opening convenience, the machine supports both flat cut and serrated cut. The independent cutter design with 3 mm spacing between cutters helps deliver clean, consistent pouch separation while allowing manufacturers to tailor the final look and user experience to specific product positioning.
Accurate film tracking with dual-color photoelectric registration
A JULONG dual-color photoelectric eye supports precise tracking of printed film marks, improving alignment and helping reduce misregistration, rejects, and film waste. This tracking capability maintains stable bag length control and consistent label/graphic positioning across different packaging materials and print designs.
PLC control for stable running logic and efficient setup
The PLC control system enables clear parameter configuration and stable operation, supporting repeatable settings for speed, bag length, and sealing timing. This simplifies daily operation and changeovers within the supported specification range, helping teams maintain productivity with straightforward control and dependable running performance.
Stainless-steel construction for durability and easier cleaning
Built with stainless steel, the machine offers improved corrosion resistance and a surface that is easier to clean, making it a practical choice for production environments that prioritize hygiene, long service life, and mechanical stability. The robust frame supports stable operation during prolonged runs and helps maintain consistent packaging results.
Technical Specifications
| Item | Specification |
|---|---|
| Machine Name | Back Sealing Strip Packaging Machine |
| Material | Stainless Steel |
| Function | Bag Making, Filling, Packaging |
| Speed | 20–40 bags/min |
| Weight | 350 kg |
| Measurement Accuracy | ±1–10% (depending on packaging materials and quantity) |
| Bag Making Range | 20 mm ≤ Bag Width ≤ 80 mm; Bag Length ≤ 150 mm |
| Back Sealing Width | 5–10 mm, no pattern |
| Horizontal Sealing Width | 8–10 mm (diagonal mesh pattern spacing 1 mm or straight pattern spacing 2 mm) |
| Horizontal Sealing Leak-Proof Line | 1 mm (only applicable to liquid packaging) |
| Packaging Film Width | ≤180 mm (standard with 1 set of bag-making specifications) |
| Control System | PLC control |
| Photoelectric Tracking | JULONG dual-color photoelectric |
| Cutting Method | Flat cut or serrated cut (independent cutter), 3 mm spacing between cutters |
| Warranty | 1 year |
Application Fields
Food & beverage
Suitable for small sachets and strip packs of powders, granules, and compatible liquids, including flour-based ingredients, seasoning powders, drink concentrates, and liquid condiments. Stable sealing and accurate film tracking support consistent retail presentation and reliable pouch integrity.
Pharmaceutical & healthcare
Applicable for selected pharmaceutical and health-related powders or granules where repeatable bag forming and controlled sealing are required to support standardized downstream handling, batching, and distribution.
Chemical & daily-use products
Supports packaging of various powders, particles, and compatible liquids used in chemical or household product lines. Optional cutting styles help match different channel requirements, from industrial supply to consumer-ready packaging.
General manufacturing & contract packaging
Designed for flexible production environments that handle multiple SKUs and materials. The integrated automation cycle, adjustable bag specifications within the stated range, and PLC-based control help improve productivity and maintain consistent output quality across diverse packaging tasks.
