8-Lane Back-Seal Liquid Stick Pack Machine

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This is an 8-lane liquid packaging machine, supporting 8-bag simultaneous production, automatically completing the bag making → filling → sealing → cutting off the whole process, with high efficiency, accurate measurement, easy to operate, suitable for food, daily chemical, pharmaceutical and other industries, liquid / semi-fluid small packages, to help enterprises achieve standardized, large-scale production.

Machine Overview and Functional Description

This8-lane Liquid Packaging Machine is a highly automated multi-column synchronized packaging equipment for liquid and semi-fluid materials. The frame is made of food-grade stainless steel, corrosion-resistant and easy to clean, in line with the hygiene standards of food and pharmaceutical industries. Equipped with 8 groups of independent filling heads, it can synchronize liquid metering and filling to improve production efficiency, and the piping design is suitable for watery and viscous materials with different fluidity. The right side of the integrated touch screen control system, support the filling volume, speed, sealing temperature and other parameters set, operation monitoring and fault warning; the front of the equipment is equipped with a transparent window, easy to observe the internal bag making, filling, sealing process and debugging. Universal casters and adjustable support feet at the bottom are convenient for equipment transportation and layout adjustment, and the support feet are locked to ensure stable operation. Packaging film folded and shaped by the molding agency for 8 independent bag cavity; 8 filling head synchronous start, through the metering pump, flowmeter to accurately control the amount of injection (error ±1% or less), suitable for 5 ~ 200ml specifications; bag body into the sealing area, the first longitudinal sealing to connect the two sides of the bag, and then transverse sealing closed the bag and cut off the separation of the 8 independent packages for continuous output.

Application Areas and Suitable Materials

Food stuffs: fruit juice, beverage; honey, salad dressing, vinaigrette;

Daily chemicals: shampoo, shower gel; hand cream, lotion;

Pharmaceuticals: oral liquid, disinfectant solution; Chinese medicine cream;

Agriculture / chemical: liquid fertilizer; chemical reagents, small dosage of chemical liquid.

Application Area of 8-column liquid packaging machine
Application Area of 8-lane liquid packaging machine

Technical Specifications

Packaging Machine Parameters
Mode.HD300BYHD600BYHD900BY
Columns2-6 Columns3-12 Columns4-18 Columns
Packaging speed25 – 40 cuts per minute/per column
Bag SizeL:50-180mm W:17-70mmL::50-180mm W:17-95mmL::50-180mm W:17-105mm
Film Width Film ThicknessMax:300mm,0.07–0.1mmMax:600mm,0.07–0.1mmMax:900mm,0.07–0.1mm
Measurement method1. Piston pumps; 2. Peristaltic pumps; 3. Ceramic pumps; 4. Rotor pumps
Seal formback coverback coverback cover
Form of incision1.Flat cut; 2.Serrated cut; 3.Fillet cut; 4.Shaped cut
Power Supply1N+PE/50HZ/AC220V/380V/3.5kw1N+PE/50HZ/AC220V/380V/5.5kw1N+PE/50HZ/AC220V/380V/7.5kw
Gas Consumption0.8 MPA 0.8m3/min0.8 MPA 0.8m3/min0.8 MPA 0.8m3/min
Dimensions1385*918*2005mm1685*1300*2005mm1700*1600*2500mm
Weight400kg600kg950kg

Structural Design and Working Principle

Drawing of 8-column liquid packaging machine
Drawing of 8-column liquid packaging machine

Schematic diagram of the whole machine

The 8-lane Liquid Packaging Machine can package a wide range of materials such as shampoo, oral liquid and seasoning sauce, helping enterprises to realize efficient production.

Touch screen in 12 languages

Human-machine interface, controlled by an intelligent system to adjust the entire machine’s parameters and operation, making parameter adjustment more convenient.

Hopper device

The hopper is used for temporary storage of liquid materials, often equipped with liquid level sensors, to control the feed and prevent overflow, to ensure the continuous supply of materials.

Film supply device

The automatic film frame correction device can automatically or manually correct the film frame to ensure that the packaging film remains stable during the bag making process.

On-Site Machine Images

Customer Applications and Delivery Cases

FAQs

Question 2: How to ensure the stability and consistency of the equipment during operation?

The equipment adopts food-grade stainless steel frame with stable structure; it relies on PLC control system to accurately regulate the filling and sealing processes and monitor the status in real time. The independent filling units of each column are designed in collaboration with the stable liquid supply system to ensure the consistency and stability of multi-column synchronized operation.

 

Question 3: When synchronized filling of multiple columns, how to ensure the uniform measurement of materials in each column?

The equipment is equipped with independent filling components for each column, relying on precise metering devices (e.g. metering pumps, flow meters) and coordinating the timing and dosage through the control system. Synchronized control algorithm and feedback mechanism, real-time correction of deviation, to ensure uniform filling volume of multiple columns.

 

Question 4: For materials with different viscosities, how can the equipment be adapted?

For watery, viscous and other different materials, the filling system can replace the pump body and adjust the piping design to fit. Components with easy to disassemble, easy to clean the characteristics of the material switch to facilitate the cleaning and maintenance, to avoid cross-contamination, to enhance the flexibility of production.

 

Question 5: What are the after-sales and technical support contents of the equipment?

Manufacturers provide installation and commissioning, operation training services; the establishment of a rapid after-sales response mechanism, timely handling of fault repair. At the same time, we supply wearing parts and provide regular maintenance guidance to help customers ensure the long-term stable operation of the equipment and reduce operation and maintenance costs.

Compliance and Certification Standards

At HONGDI Machine, we prioritize operational safety, electrical stability, and rigorous hygiene across all our custom industrial machinery. As a verified SGS-audited manufacturer, our equipment undergoes strict testing to meet and exceed global manufacturing regulations.

As demonstrated in the certification documents, our core product categories hold official CE Certifications, fully complying with the strict European Machinery Directives and Electromagnetic Compatibility (EMC) standards.

Key safety and quality guarantees include:

  • Certified Safe Operation: Advanced electrical and mechanical engineering that protects your facility’s personnel and ensures uninterrupted daily workflows.

  • Sanitary Stainless Steel Construction: Premium food-grade stainless steel contact parts designed for simplified washdowns, preventing cross-contamination and meeting strict food safety compliances.

  • Global Export Readiness: Dependable, customized equipment built to perform seamlessly in diverse international manufacturing environments.

Whether you are integrating a complete automated production line or a standalone unit, our CE-certified systems guarantee stable, continuous operation while protecting your product’s integrity.

Hongdi Machinery Made-in-China Certificate of Authentication
CE Certificate of Compliance for HONGDI automatic packaging machine
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