Sliding belt buffer with small conveyor belt

Details MTF Technik Hardy Schürfeld GmbH & Co. KG

Task: Buffering metal rings through a conveyor system

Up to 150 metal rings per minute are produced in a special mechanical press

The manufactured parts are blown out of the tool and “fly” out of the system

The parts must be taken over by the conveyor system and slowed down

At the interface to the buffer system, the ejection of the parts must be controlled (tool safety)

The produced parts should be fed into different containers

QA parts must be removed separately from each container

The system must be able to accommodate different container types and sizes

A control system should monitor the system status and document the parts distribution to the various containers

Solution: Small conveyor belt with blow-out channel and distribution switches

Stable welding frame with retractable option for four container holders

Docked closed blow-out channel made of stainless steel as interface to the press with integrated small conveyor belt

Flexible catch flaps are mounted in the blow-out duct to slow down the parts

At the transition to the press, a light grid is integrated for tool protection (presence control of the ejected parts)

Integrated opening flaps for maintenance and cleaning purposes on the exhaust duct

Linearly movable, reversible small conveyor belt type IL in the frame with pneumatic distributor switches on both sides

The pneumatic linear drive can be used to reach different discharge points in the respective containers in order to avoid cones of material as far as possible

QA parts are delivered at a defined position per container

Buffer frame covered on all sides with polycarbonate. Two hinged covers with gas spring support on the operator side for cleaning or maintenance purposes.

Entry aids on the buffer frame for simplified positioning of the container wagons

Presence control of containers using light barriers

At each container position, there is an operator terminal on which, for example, the item number, the target quantity, the actual quantity, and other system statuses can be displayed. The operator must confirm the container change on the terminal.

Electrical control Siemens S7-1500 with ProfiNet interface including integration of the emergency stop circuit

Details MTF Technik Hardy Schürfeld GmbH & Co. KG