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Filling of small containers with integrated weighing device

AZO GmbH + Co. KG

Automatic systems for mixer feeding for decades

AZO has been supplying automatic systems for mixer feeding for decades. There is already

a plethora of solutions for this. The goal of developments in the field of filling and

packaging was to offer a flexible system for producers of speciality products in small to

medium batch sizes. Especially at a time when batches of products are becoming ever

smaller, fast and straightforward retooling from one receptacle to another is called for in

plants. The modular station exhibited at Powtech by AZO allows gravimetric filling of

products in small to medium-size batches. The focus here is on easy cleaning, a high

level of versatility and fast retooling to accommodate different small containers like tubs,

drums, boxes with inliners, bags and sacks.

The base station can be supplemented with a DA-type cyclone screener, which may be

used simultaneously for dosing, and/or with metal detectors for final inspection of the

product. Various modules for sealing sacks, for example bonding and sack sewing machines,

are also available. The filling heads for docking the most diverse receptacles without

generating dust range from inflatable rings to inflatable collars and foam ring seals.

AZO’s filling station enables our customers to switch over receptacles within two minutes.

The integrated weighing device can be calibrated, it has a weighing range of 50kg and

has a division of 10g increments. Actual dosing accuracy depends on the size of the dosing

unit and the flow properties of the bulk material in use. Typical values here are +/- 10

g to +/- 50 g. Capacity of the filling station: depending on the form and size of the receptacle

as well as on the number of operators, it is possible to fill and close the receptacle in

1-2 minutes. A standard throughput rate for the system is 1 receptacle per min. The roller

conveyor serves as a support surface and for horizontal transport of the receptacles to

the filling point, and from there onto the next module – on our exhibition stand, this is a

module for bonding sacks. It is also possible to implement partial automation of filling.

In introducing this system, we are responding to trends for ever smaller batches of products,

applications that can be calibrated, rapid changeover from one product to another

as well as from one type of receptacle to another.

If there is a requirement for contaminant-free solutions, the ingredients can also be metered

straight into a container on a mobile scales. The floor scales move fully automatically

to the specified dosing points. There is an additional option of adding micro quantities

with maximum accuracy by using AZODOS® negative weighing systems. Transfer of

raw materials takes place without contact and there is little generation of dust thanks to a

special gasket with aspiration in accordance with the raw material. As soon as the entire

batch is complete, a batch report is generated and the container is transferred to the discharge

point for further processing. The system works according to the accumulation

method. It is more economical to carry out consecutive weighing processes than to weigh

in parallel.

About AZO

The AZO Group is a German company, headquartered in Osterburken. AZO specialises

in the planning, manufacture and assembly of machines and facilities for automating

production processes in storage, discharge, screening, conveying, dosing and

weighing of bulk materials and powdered components well as for dispersing, mixing

and homogenizing of liquid and semisolid products.

With over 1,000 employees, the AZO Group has locations additional to its Osterburken

Headquarters in Neckarsulm, Hannover and Neuenburg am Rhein, as well as

being active worldwide with subsidiaries in Belgium, China, France, Russia, Thailand,

the USA and the United Kingdom.

AZO filling of small containers with integrated weighing device
AZO filling of small containers with integrated weighing device

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