The open mouth bagging systems are designed for bagging free-flowing materials into open-mouth bags for applications between 5 and 50 kg per bag. The systems are ideal for bagging flakes and granules from the Food, Feed, Pet Food, Chemicals, and Minerals industries.
The open mouth bagging equipment features modular designs in three versions: compact open-mouth bagging system (FP-200 SERIES up to 200 bags per hour / FP-400 SERIES up to 400 bags per hour), high-speed open-mouth bagging system (FP-600 SERIES, up to 600 bags per hour) and high-speed open-mouth bagging system for PE bags (FP-600 FS SERIES, up to 600 bags per hour). Units can be supplied with either our gross or net weighing systems for optimum system performance.
Open Mouth Bagger Features
- Automatic adjustments for quick product and bag changeovers
- Total bag top control
- Optimised dust control
- PLC controlled with user-friendly human machine interfaces (HMI)
- Easy clean and easy maintenance configurations
- Compact design ideal for restricted packaging rooms
- Fully integrated gross or nett weighing system
Machine details
All common types of bag closing devices; Bag marking systems for empty or filled bags; Product de-aeration; Remote control panel; Bag turning; Closed bag (top or bottom first) ; Full stainless steel design
Open Mouth Bagging Machine Applications
Packing Sample
Applicable bags: paper bags, paper-plastic composite bags, PE bags, woven bags, aluminum foil bags, etc.
Technical Parameters
| Model Series | FP200/400/600 |
| Packable Products | granules/ powders/flake particles |
| Bag Type | PE bags/ aluminum foil bags/ woven bags/ paper bags/ paper-plastic composite bags etc. |
| Roll Film | Diameter of roll film≤1500mm, inner tube of roll film: 150mm (6 inches) |
| Empty Bag Size | L(500-750mm), W(320-420mm) |
| Packaging Weight | 20-50 kg/bag |
| Packaging Speed | 300~600 bags/h |
| Power | 3 kW |
| Air Consumption | 200 NL/min |
| Equipment Size (L*W*H) | 2904 * 2920 * 2190 |
Working Process
1. Pre-place Empty Bags
Place 2~3 stacks of empty bags at the same time to provide bags for the packaging machine.
2.Take an Empty bag
The bag sucking mechanism sucks the bottom of the bag with negative pressure, while the roller-up type bag transmission structure flattens the bag mouth and transmits it to the bag opening station.
3.Open Empty bag
The bag opening mechanism simultaneously sucks the positive and negative sides of the bag mouth with negative pressure. The negative pressure sucks the bag mouth and lifts it, and then the “insert knives” structure located on both sides of the material discharge port is inserted into the bag mouth by shaft rotation and spread to both sides .
4.Supply Empty bag
Transfer the empty bag to the bag clamping mechanism by lifting up the knife arm to complete the bag supplying operation. The bag clamping mechanism clamps both sides of the bag to prevent dust from overflowing.
5.Material Filling
The bag clamping detection device ensures the reliability of the bag supplying. After the detection is completed, the PLC will give a signal to the automatic weighing unit, then the material in the weighing unit will be discharged into the packaging bag. During the filling process, perform bottom vibration operation. At the same time, through the external dust removal interface, the dust formed by the material is pumped away in the discharge process.
6.Holding bag and Heat Sealing
After the material filling is completed, the bag mouth is clamped horizontally through the bag-holding conveying mechanism, then the bag is horizontally conveyed to the guide entry mechanism, and the bag is conveyed to the heat sealing station for automatic heat sealing.
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