Filling system for cartons with integrated scale

Details MTF Technik Hardy Schürfeld GmbH & Co. KG
Details MTF Technik Hardy Schürfeld GmbH & Co. KG

Task: Removal and packaging of injection-molded parts in boxes with quantity determination

Various technical parts with a large number of cavities are produced on a high-speed injection molding machine

In the first step, the components should be transported parallel to the machine axis

The products are to be packed in cartons after a certain cooling time, whereby the quantity is determined via a weighing process

The system should offer space for a maximum of four empty cartons and four filled cartons (plus one carton in the filling position)

Due to the space available on the machine, the system must be built narrow

Solution: Conveyor belt combination with container holders, scales and buffer roller conveyor

Outfeed of the parts by means of an angled conveyor belt type NL-Sonder with special feed hopper, raised side guide and transfer chute mounted at the outlet for parts transfer to the following belt

Straight conveyor belt type GL, controlled by a frequency converter to enable controlled cooling of the components and fine dosing at the belt outlet

The straight conveyor belt is mounted above a feed roller conveyor for empty cartons

The feed roller conveyor is equipped with pneumatic stop and separation cylinders to transfer the cartons individually to a weighing conveyor belt

Weighing conveyor belt for holding a carton in the filling position. Each carton is tared after reaching the filling position, and the filling process is started via the straight cooling conveyor belt.

Once a set percentage of total fill is reached, the cooling belt switches to a lower speed to allow for fine dosing. Once the target quantity is reached, the cooling belt stops and moves backward a short distance to prevent components from accidentally falling down.

The filled carton is then transported to the buffer roller conveyor for filled cartons

Above the roller conveyor with the filled boxes there is a holder for an on-site label printer

Details MTF Technik Hardy Schürfeld GmbH & Co. KG