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Gross weight open mouth bag filling systems from Accuweigh

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article image Gross weight open mouth bag filling system

A leading company within the food industry has two gross weight open mouth bag filling systems from Accuweigh installed in its Melbourne operations.

The twin screw fed baggers are fabricated in 316 stainless steel and custom designed to suit the client’s requirements.

Accuweigh’s bagging system weighs, fills and closes a range of powdered premixed food ingredients in 15kg to 25kg into open mouth bags at a rate of four (4) bags per minute with an accuracy of 100grams or better.

It is mounted under the mixer discharge and incorporates a draw magnet with two grids of magnets and a supply hopper fitted with a low level product probe. The supply hopper is designed to hold the entire contents discharged from the mixer.

Whilst the mixer commences another cycle the previous batch is weigh filled into bags.

Bag filling sequence:

The bag filling and closing operation simply requires the operator to place a empty bag onto the bag clamp assembly which automatically commences the filling cycle, feeding product into the bag via the variable speed twin screws with two or three stage feed control for optimum accuracy.

Once filled, the bag is released onto the bag closing conveyor and proceeds to the bag closing equipment. When clear of the bag clamp assembly, the operator places another empty bag to be filled.

Whilst the next bag is being filled the operator steps left to the previous filled bag and presents the bag to the automatic bag closing equipment, consisting of a height adjustable bag closing conveyor to suit various height bags and an automatic sewing machine with infeed device.

After the filled bag is closed a bag kicker kicks the bag in a bottom first configuration onto an inclined metal detector conveyor. Once the filled bag is clear of foreign particles it is palletised.

When the product in the supply hopper drops to low level and the current bag filling cycle has finished a flashing pilot light indicates to the operator the choice to either drop the next mixer contents of the same recipe into the hopper, or continue to bag off the remaining product prior to the mixer discharging the new recipe contents.

Access for ease to clean is provided via removable augers, removable shut valve and hinged access covers; all designed and fitted with safety interlock switches complying with Australian standards.

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