Buffer system for larger plastic parts

Details MTF Technik Hardy Schürfeld GmbH & Co. KG

Task: Buffering of solid plastic parts in night shift

Plastic parts (automotive) are to be buffered for an unmanned night shift. This corresponds to 22 containers measuring 600 x 400 x 400 mm.

The available space is very limited. There is an area of approximately 6m x 2m between the injection molding machine and the wall.

The parts (covers in the engine compartment) are quite massive and must be softly caught after demoulding

Start-up parts and reject parts must be removed separately from the production process

The system must already be prepared for future expansions (supply and removal of containers to another room)

The parts are very warm after demoulding and should be cooled before being placed in the container

Solution: Stable lift station with reversible discharge belt

Reversible discharge belt with durable polyester cover under the tool. Good parts are transported to the buffer, while start-up parts and reject parts are ejected to the operator side of the machine.

A springy upper run support made of polyester is inserted under the belt of the discharge belt to cushion the impact of the parts

An angled conveyor belt is mounted parallel to the machine, which feeds the parts to the buffer station in a timed manner and fills the containers in the upper lift position

Extremely stable lift station with two independently operating pneumatic cylinders, each with a stroke of 550 mm, load capacity well over 100 kg, max. container change time approx. 22 seconds

Siemens S7 controller for controlling the lift, the conveyor belts and for communication with the injection molding machine

Example videos

Details MTF Technik Hardy Schürfeld GmbH & Co. KG