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The feeding system of this series of electronic scales adopts a two-stroke cylinder system. First, the large vibration feeder feeds, and the large vibration feeder stops when 95% of the set weight is placed, and then the small feeder continues to feed, ensuring the measurement accuracy and speed. The weighing sensor and solenoid valve of this machine are sealed, and the whole machine is controlled by an instrument system.
The BCJ-Z25B Type Quantitative Packaging Machine is a cutting-edge net-weight electronic scale designed exclusively for weighing, measuring, and packaging granular materials. Engineered with the latest automation technology, this equipment balances precision, speed, and durability, making it a top choice for industries ranging from agriculture to food processing.
Control method: Hanging weighing scale
a) Display screen digital display weighing control instrument
b) Embedding method: soft membrane digital keyboard
Material name: Granular material;
Material properties: Granular materials such as seeds;
Packaging form: woven bags, plastic bags;
Packing weight: 5kg-25KG per bag;
Speed: 6-10 packs /min(non-vacuum), 3-4 packs /min(vacuum);
Packaging accuracy: ±2%;
Equipment power: 3KW;
Other requirements: The parts in contact with the material shall be made of 304 stainless steel, fully considering the characteristics of dust, explosion-proof, various properties of the material, corrosion, etc.
This double-bucket automatic weighing packaging machine adopts a hanging weighing scale structure, tailored to handle granular materials such as rice, corn, seeds, and other free-flowing particles. Its defining characteristic lies in the separation of coarse and fine feeding, ensuring both efficiency and accuracy—two critical demands for granular material packaging. The machine’s contact parts with materials are crafted from 304 mirror-finish stainless steel, meeting food safety and corrosion-resistant standards, while the sealed weighing sensor and solenoid valve enhance stability in dusty or humid environments.
Items | Parameters | Notes |
Device model | BCJ-Z25B series granule semi-automatic packaging scale | |
Operating Interface | 7 "LCD touch screen with Chinese/English interface | |
Control system | Instrument programmer | |
Working environment temperature | -10℃ to +50℃ | With low temperature protection device |
Bag type | One bag or M bag | |
Suitable for woven bags | 300-600mm | |
Package weight | 5Kg—25Kg | Calculate at 1.0g/cm³ |
Packaging speed | Granular non-vacuum 6-10 packs /min, vacuum 3-4 packs /min | Adjustable speed |
Device size | Length * width * height 1050*3268*1050mm | |
Total weight of equipment | 500Kg | |
Gas source pressure | 0.36 MPa | Air compressor |
Total power of equipment | ≦3KW | 380V,50HZ |
Equipment material | The core components in contact with materials are made of 304 mirror-finish stainless steel. Unless there are special requirements, the frame is made of carbon steel with plastic spraying. | |
The global granular material packaging equipment market is projected to grow at a CAGR of 5.2% from 2024 to 2029, driven by the expansion of agriculture, food processing, and chemical industries. Key market needs include:
High measurement accuracy to reduce material waste (a top pain point for 68% of manufacturers).
Fast packaging speed to meet large-scale production targets.
Durable, easy-to-maintain equipment that adapts to diverse working conditions.
The BCJ-Z25B directly addresses these needs, with its ±2% accuracy and 6-10 packs/min (non-vacuum) speed aligning with mid-to-large production volumes.
Workflow
a. Turn on the power switch and see if the power indicator light is on. If it is not on, check if the power is connected properly.
b. Manually point the parts to see if they work properly;
c. Set the recipe (the recipe can be done according to the user manual)
d Turn on Auto
e. Automatic material lifting - automatic metering, material filling - finished product conveying - vacuuming and sealing
f. The entire packaging process is completed.
Two-stroke cylinder feeding: 95% of the set weight is delivered by the large vibration feeder, followed by the small feeder for the remaining 5%, eliminating overshoot and ensuring accuracy.
Static weighing bucket: Fixed to a UB2/100kg high-precision sensor (0.02% accuracy class) with no external contact, minimizing interference.
7-inch LCD touch screen with Chinese/English interface, supporting both manual and automatic mode switching.
Programmable timer with automatic zero tracking, drop correction, and overshoot suppression—simplifying parameter setup for different materials.
304 stainless steel hopper and contact parts: Resists corrosion and dust, complying with food-grade and industrial standards.
Carbon steel frame with plastic spraying (customizable to stainless steel): Ensures structural stability with a total equipment weight of 500kg.
Weight range: 5kg-25kg per bag (calculated at 1.0g/cm³), covering most granular material packaging needs.
Speed adaptability: 6-10 packs/min (non-vacuum) and 3-4 packs/min (vacuum), adjustable based on production demands.
Environmental resilience: Operates in -10℃ to +50℃ with low-temperature protection, suitable for indoor and semi-outdoor use.
Power efficiency: Total power ≤3KW (380V, 50HZ), reducing energy consumption during long-term operation.
Storage bin customization: Standard 0.3 cubic meter bin, adjustable in size based on material storage requirements.
Frame material upgrade: Optional full stainless steel frame for high-corrosion or hygiene-sensitive industries.
Dust removal optimization: Customizable dust removal pipe lengths and configurations for specific workshop layouts.
Technical support: On-site installation guidance and user manual tailoring for unique production lines.
This machine is equipped with a digital display weighing control instrument system and operates on a liquid crystal display screen. It has the advantages of stable performance, fast weighing speed and high precision. It is suitable for weighing, measuring and packaging granular materials such as rice, rice and corn. The operation interface is in Chinese/English, and the system has good stability and corrosion resistance. Programmable timer for process time control, with automatic drop correction, automatic zero tracking, overshoot detection and suppression function, and automatic alarm function. The operation interface is used to set the working parameters, which can be operated manually or automatically, and the two modes can be switched at any time to control the automatic operation among the units of the entire equipment.
1.304 stainless steel storage bin:
It is used to temporarily store the materials lifted by the hoist, with a general volume of 0.3 cubic meters, and the specific size can be customized as needed. The storage bin is directly mounted above the packaging scale and connected to the transitional storage bin of the packaging scale; There is a stop-screw level switch on the storage bin to monitor the level. When the material in the bin exceeds the upper stop-screw level switch, the hoist will automatically stop lifting.
2. Metering mechanism
This series of electronic scale feeding system uses program automation control for coarse and fine feeding; The coarse feeding controls the packaging speed, the small feeding controls the packaging accuracy, and when the coarse feeding reaches 95%, the small feeding fills 5%. Therefore, this feeding method ensures both the packaging speed and the packaging accuracy.
3. Bag-clamping mechanism
With an outwardly open bag clamping mechanism, it is convenient and secure for bag clamping; Easy to operate and maintain; It is equipped with dust removal pipes to prevent dust backflow.
4. Weighing scale feeding mechanism:
The feeding mechanism supplies materials directly to the weighing hopper through coarse and fine feeding, effectively completing the measurement and packaging of materials. Fine design, small drop, high sealing, static weighing bucket, bucket body fixed to UB2/100kg sensor (sensor performance: Model: UB2/100kg type; Output sensitivity: 2mv/v Accuracy class :0.02 Repeatability :0.02%; Temperature compensation range :-10 ° C to 60 ° C; Operating temperature range -30 ° C to +65 ° C; Allow overload :150%), to make it have no direct contact with the outside for higher precision, cone transition hopper, no hygiene dead corners, complete discharge.
It works with most free-flowing granular materials, including rice, corn, seeds, beans, and small granular fertilizers. Avoid materials with high moisture content (over 15%) to prevent clogging.
The dual-feeding system (95% coarse + 5% fine) and high-precision UB2/100kg sensor eliminate weighing errors. Additionally, the automatic drop correction function adjusts for material flow differences.
The machine needs a 380V 50HZ power supply and an air source pressure of 0.36 MPa (an air compressor is required for operation).
Yes, the speed automatically adjusts—6-10 packs/min for non-vacuum (general packaging) and 3-4 packs/min for vacuum (extended shelf-life needs like food or seeds).
