Automatic Liquid Pouch Filling and Sealing Machine with Accurate Dosing and Leak-Proof Sealing

High-precision automatic pouch machine for liquid sachets, integrating forming, dosing, sealing and cutting in one compact system. Stainless-steel, PLC-controlled, 20–40 bags/min, ±1–10% dosing accuracy, leak-proof seals and clean cut options for premium, consistent packaging with less labor.

Product Details

Product Introduction

Designed for modern, high-volume production environments, the Automatic Pouch Filling and Sealing Machine delivers rapid, stable, and precise liquid sachet packaging. Engineered with a robust stainless-steel frame and a sophisticated PLC control system, this machine seamlessly integrates film forming, accurate dosing, bag pulling, cutting, and sealing into a single, continuous, and highly efficient process. Its compact bag-making range enables the production of uniform, high-integrity pouches, empowering manufacturers to achieve standardized packaging quality while significantly boosting throughput and operational efficiency. The incorporation of a variable-frequency motor crank structure and heat-sealed bag pulling mechanism ensures exceptional motion control and smooth film handling, guaranteeing consistent, reliable sealing performance and uninterrupted operation across extended production shifts.

Product Advantages

This machine is engineered with a suite of advanced features designed to deliver superior performance, reliability, and packaging quality across diverse production scenarios.

Precision Dosing for Consistent Output

As a precision measurement packaging solution, the system achieves a dosing accuracy within a range of ±1% to 10%, depending on the specific packaging material and fill volume. This high level of control minimizes product overfill, drastically reduces material waste, and ensures exceptional batch-to-batch consistency for a wide variety of liquid products.

Leak-Proof Sealing for Liquid Integrity

Specifically tailored for liquid packaging, the machine features a specialized 1mm horizontal sealing leak-proof line, significantly enhancing seal integrity. This critical design element effectively mitigates the risk of leakage during handling, transportation, and retail display. The adoption of twisted-edge adhesive sealing further reinforces closure stability and contributes to a polished, professional pouch appearance.

Stable Film Tracking and Accurate Positioning

Equipped with a high-precision JULONG dual-color photoelectric eye, the system provides flawless mark detection for consistent and accurate bag positioning. This capability is essential for maintaining uniform pouch length and achieving clean, perfectly aligned seals, which is particularly vital when processing pre-printed films and brand-critical packaging materials.

Versatile Cutting and Professional Finishing

An independent cutting system offers the flexibility of either a clean flat cut or a consumer-friendly serrated cut, with a precise 3mm spacing between cutters to accommodate various market preferences and product types. A consistent back sealing width of 5–10mm (without pattern) ensures a neat seam, while the system’s controlled film pulling mechanism maintains optimal tension for a consistently professional pack presentation.

Robust Construction and Automated Efficiency

Constructed from durable stainless steel for longevity and hygiene, this fully automatic machine is built for demanding factory and workshop production lines. With an operational speed of 20 to 40 bags per minute, it delivers scalable output to meet growing production demands, all while minimizing manual intervention, reducing operator workload, and ensuring repeatable, high-quality performance.

Technical Specifications

Item Specification
Machine Type Automatic
Material Stainless Steel
Weight 350 kg
Speed 20–40 bags/min
Bag Making Range Bag Width: 20–80 mm; Bag Length: up to 150 mm
Control System PLC Control
Measurement Accuracy ±1–10% (depends on packaging materials and quantity)
Optoelectronic Eye JULONG Dual Color Photoelectric
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
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
Packaging Film Composite Packaging Material
Warranty 1 Year

Application Fields

This versatile and robust pouch packaging machine is ideally suited for the sachet packaging of liquid products where precision dosing and leak-proof sealing are paramount. It finds primary application in the daily chemical and personal care industries, expertly handling products such as shampoo, shower gel, liquid soap, and similar formulations. Furthermore, it is an excellent solution for any production line requiring standardized pouch dimensions, consistent high-quality seals, and a high degree of automation to increase output while reducing reliance on manual labor. The machine represents a cost-effective and reliable packaging solution for factories, workshops, and integrated packaging lines focused on efficient, small-pouch packaging operations.

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