The new filling and closing machine Millennium 120-2 for ATEX products and ultrasound sealing
In 2013, a well-known American supplier of veterinary products purchased a new version of the filling and closing machine Millennium 120 from Marchesini Group. The Mill120-2 was created from the standard single channel linear version. The new version adds innovative solutions to close PE tubes containing ATEX products. The machine is loaded with plastic tubes with conical caps that are filled with a liquid product at low doses (between 0.6 and 7ml), and at runs at a speed of 100 ppm.
The functioning of Mill 120-2 in 7 steps
1. Tubes loading on the machine
The printed PE tubes are loaded in bulk into a hopper of about 200 liters of capacity. A selection conveyor belt transports the tubes towards the Robovision unit, which is produced and patented by Marchesini Group. The robot is equipped with four axes of movement and a vision system, which guides the pick-up head to collect and correctly orient each tube, and then it places it on a specially sized plates that are fixed to the belt transport system.
The plates are fixed by means of a quick release system, and the correct positioning of the tubes are continuously controlled by precise sensors. The transport is equipped with a special reject station, pressurized air is used to remove the tubes that are not correctly placed or without cap. The tubes are then placed in a pair in their individual pucks by means of a tilter driven by a brushless motor, which then holds the tubes pneumatically until their complete insertion into the transport system.
The orienting group is equipped with two brushless motors provided to orient the tubes reading the marking, or recognizing a cavity formed on the upper circumference of the tube.
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