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Domestic Project of 25kg Chemical Fertilizer Powder Semi Auto Horizontal Screw Bagging Packing Machine
Category: Products
Category: Industry application
Designed for 25kg chemical fertilizer powder, we offered horizontal auger weighing machine+semi-auto bag clamping and filling machine+sewing line.
Product Detail
Designed for 25kg chemical powder, we offered horizontal auger weighing machine+semi-auto bag clamping and filling machine+sewing line.
1. Speed 2-3bags/min.
2. Accuracy 99.5%
3. For woven bag, kraft bag and plastic bag
Semi Auto Horizontal Screw Bagging Packing Machine
A Semi Auto Horizontal Screw Bagging Packing Machine is a specialized semi-automated packaging device designed for filling powdery, granular, or small pellet materials into flexible bags (such as PE bags, PP woven bags, or paper composite bags). It combines a horizontal screw feeding system for precise material metering with manual bag handling steps, making it ideal for small-to-medium batch production scenarios, workshops with limited space, or businesses that handle multiple material types with frequent changeovers.
Core Working Principle & Operational Workflow
The machine operates in a horizontal layout, which distinguishes it from vertical bagging machines and allows for easier manual bag placement and alignment. The typical workflow is as follows:
- Manual Bag Preparation & PlacementOperators manually open empty bags and fix them onto the machine’s bag clamping fixture. The fixture secures the bag mouth tightly to prevent material spillage during filling. This manual step ensures flexibility— the machine can adapt to different bag sizes and materials without complex mechanical adjustments.
- Screw Feeding & MeteringThe machine’s core component is the horizontal screw auger, which is connected to a hopper storing the target material (e.g., flour, cement, animal feed, sugar granules). When activated, the screw rotates at a preset speed to convey material from the hopper to the bag mouth. The screw’s rotational speed and running time are precisely controlled by a PLC system, ensuring consistent filling weight accuracy (usually with an error margin of ±1–3%, depending on material properties). For materials with poor fluidity (e.g., fine powder prone to bridging), some models are equipped with hopper agitators to prevent material blockages.
- Manual Bag Removal & SealingOnce the preset filling weight is reached, the screw stops feeding automatically. Operators then manually release the clamping fixture, remove the filled bag, and transfer it to an external sealing station (e.g., a heat sealer for PE bags, a sewing machine for woven bags) to complete the sealing process. Some integrated models come with a simple built-in sealing unit, but the bag handling step remains manual.
Key Features & Advantages
- Precise Metering for Uniform FillingThe horizontal screw feeding system excels at handling materials with irregular particle sizes or poor fluidity, delivering stable and accurate filling results that are difficult to achieve with gravity-fed methods. It effectively avoids overfilling or underfilling issues common in manual packaging.
- Semi-Automated Operation Saves LaborCompared to fully manual packaging, the machine automates the most labor-intensive metering and feeding steps, reducing repetitive manual work and improving production efficiency by 2–3 times. Meanwhile, the manual bag handling steps keep the operation simple, requiring no professional technical training for operators.
- Flexible & Easy to AdaptThe machine can be quickly adjusted to handle different material types and bag sizes by changing the screw auger (for different material flow rates) and adjusting the clamping fixture’s width. It is suitable for multi-product small-batch production, eliminating the need for expensive and time-consuming equipment reconfiguration.
- Compact Structure & Low CostWith a horizontal design, the machine has a small footprint and can be placed in narrow workshop spaces. Its structure is simpler than fully automated horizontal bagging machines, resulting in lower initial investment, maintenance costs, and energy consumption— making it a cost-effective choice for small and medium-sized enterprises (SMEs).
Typical Application Scenarios
This machine is widely used in industries such as food processing (flour, sugar, starch, coffee powder), agriculture (fertilizer, seed, animal feed), building materials (cement, mortar, gypsum powder), and chemicals (powdered additives, resin pellets). It is particularly suitable for scenarios where fully automated lines are not economically feasible due to low production volumes or frequent product changes.
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