4-Lane Sachet Packing Machine with PLC Control and Vacuum Feeding

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This is a 4-lane 4-side-seal granule packaging machine, which can synchronize the production of 4 lanes of 4-side-seal bags, and automate the quantitative filling and sealing of granule materials (e.g., food powder, seasoning granules, pharmaceutical granules, etc.). Through accurate dosing, synchronized bag making and sealing, it greatly improves the efficiency of mass production, ensures sealing and moisture-proofing, and meets the needs of small-size packaging, helping enterprises to reduce costs and improve efficiency.

Machine Overview and Functional Description

The 4-lane 4-Side Seal Granule Packaging Machine delivers granular materials through the feeding system, the metering module (volumetric or weighing mode) synchronously allocates quantitative materials for the 4 lanes; the rolled film is formed into 4 lanes of bags simultaneously through the forming mechanism, and the heat sealing system accurately controls the temperature to realize 4-side sealing to ensure moisture-proof and leakage-proof. the PLC touch control system unifies the scheduling and supports the setting of parameters such as the bag length and the running speed, and the real-time monitoring of the 4-lane running status, with the abnormalities being automatically warned. Suitable for small-size batch packaging in food (instant coffee, sugar), medicine (granular powder), daily chemical (bath salt granules) and other industries. 4 parallel lanes break through the efficiency bottleneck, the modular design supports the change of the type to match the specifications of the material contact parts can be disassembled and cleaned, taking into account the efficiency of production and the convenience of maintenance.

Application Areas and Suitable Materials

Food processing: instant coffee, sugar, granular seasoning, crushed cereal, etc.

Pharmaceutical and health care: cold and flu preparations, Chinese medicine granules, vitamin granules, health care granules.

Daily care: bath salts particles, laundry to stay fragrant beads, solid aroma particles, cleaning particles, etc.

Agricultural farming: support for small seeds, slow-release fertilizer particles, pesticide particles and so on.

Chemical field: for desiccant particles, industrial auxiliary particles, resin particles, catalyst particles, etc.

Application Area of 4-lane Four-side Sealing Seasoning Packaging Machine
Application Area of 4-lane Four-side Sealing Seasoning Packaging Machine

Technical Specifications

Back row powder packaging machine parameters
Model NumberHD300BFHD600BFHD900BF
Number of Columns2-4 columns3-10columns4-16columns
Packaging Speed20-40 cuts per minute per column
Bag SizeL:50-180mm W:20-70mmL::50-180mm W:20-95mmL::50-180mm W:20-105mm
Film Width and ThicknessMAX: 300mm,0.07–0.1mmMAX: 600mm,0.07–0.1mmMAX: 900mm,0.07–0.1mm
Max.300mm,0.07–0.1mmMax.600mm,0.07–0.1mmMax.900mm,0.07–0.1mm
Measuring Method1. Long screw; 2. Short screw; 3. Short screw + discharge
Sealing TypeBack sealBack sealBack seal
Cut Type1. Flat cut; 2. Serrated cut; 3. Rounded corner cut; 4. Irregular shape cut
Power Consumption1N+PE/50HZ/AC220V/380V/3.5kw1N+PE/50HZ/AC220V/380V/5.5kw1N+PE/50HZ/AC220V/380V/7.5kw
Air Consumption0.8 MPA 0.8m3/min0.8 MPA 0.8m3/min0.8 MPA 0.8m3/min
Dimensions1385*918*2005mm1685*1300*2005mm1700*1600*2500mm
Total Weight400kg600kg950kg

Structural Design and Working Principle

Structural analysis of 4-lane Four-side Sealing Seasoning Packaging Machine
Structural analysis of 4-lane Four-side Sealing Seasoning Packaging Machine
  1. Overall diagram

The four-column four-side sealed granule packaging machine is suitable for packaging a variety of granular materials and has the advantages of fast packaging speed, high precision, and good stability.

 

  1. 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.

 

  1. Conveyor belt

Used to transport finished packaged materials, mostly made of PVC, PU and other materials, with wear-resistant and oil-resistant properties, driven by a motor to achieve smooth transportation.

 

  1. 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.

 

Question 5: Can the equipment be customized to add perforation, easy to tear line and other functions?

Customization is supported. By adjusting the bag-making mold or adding auxiliary modules (such as perforator, easy-tear line cutting device), we can realize the structure of hanging holes and easy-tear opening on the bags. Before customization, you need to communicate with the technical team about the specific needs (e.g., hole specifications, depth of the easy-tear line), the manufacturer will assess the feasibility of combining the packaging film material with the structure of the equipment, and optimize the parameters of the system to ensure the stability of the function through the design of the mold or to ensure the stability of the function, without affecting the original packaging efficiency, to meet the needs of the differentiated packaging.

On-Site Machine Images

Customer Applications and Delivery Cases

FAQs

Question 1: Do I need professional technicians to operate the equipment?

The equipment adopts touch screen human-computer interaction, parameter setting visualization, ordinary operators can be on duty after 4-8 hours of standardized training (including operating procedures, troubleshooting). Manufacturers provide graphic manuals and video tutorials, key steps are set to prevent misoperation prompts, complex functions (such as changeover debugging) by the after-sales remote guidance to reduce the threshold of operation, without the need for professional engineers on-site.

 

Question 2: What is the durability of the equipment for long-term operation?

Core components (such as servo motors, heat sealing controllers) are selected from industrial-grade brands, and the frame is welded with high-strength stainless steel, which has strong deformation resistance. The transmission system is designed with redundant load capacity, and overload protection devices are installed in key parts. Under normal maintenance (according to the cycle of lubrication, cleaning), it can meet the daily average of 10 hours of continuous production requirements, and the service life of the whole machine reaches 8-10 years (depending on the frequency of use floating).

 

Question 3: Can the packing speed match different order quantities?

The speed of the equipment supports stepless adjustment. High-speed mode is suitable for large-volume orders, while low-speed mode can be used for small-volume trial production or material debugging. When adjusting the speed, the measuring, bag making and sealing modules are synchronized to ensure that the packing accuracy and sealing quality are stable under different speeds, without stopping to switch, responding flexibly to fluctuations in orders, and taking into account the efficiency and flexibility.

 

Question 4: What are the requirements for plant installation?

The equipment needs to be installed smoothly on the horizontal ground (adjustable floor bolts for leveling), with 1-1.5 meters of maintenance space reserved around the periphery, the power supply needs to match the rated voltage of the equipment (three-phase five-wire system as standard), and the air source (if needed) needs to be dried and filtered. Manufacturers to provide installation layout drawings, send engineers on-site guidance debugging, to ensure that the water, electricity and gas access to meet the operational requirements of the equipment, without the need for special plant transformation.

 

Question 5: Can the equipment be customized to add perforation, easy to tear line and other functions?

Customization is supported. By adjusting the bag-making mold or adding auxiliary modules (such as perforator, easy-tear line cutting device), we can realize the structure of hanging holes and easy-tear opening on the bags. Before customization, you need to communicate with the technical team about the specific needs (e.g., hole specifications, depth of the easy-tear line), the manufacturer will assess the feasibility of combining the packaging film material with the structure of the equipment, and optimize the parameters of the system to ensure the stability of the function through the design of the mold or to ensure the stability of the function, without affecting the original packaging efficiency, to meet the needs of the differentiated packaging.

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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