Device for controlling the movement of a movable element for a machine for manufacturing plastic receptacles
AssigneeSidel Participations
InventorsFranck Lhomme, Jocelyn Michel
Life of this patent
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Abstract
A plastic container manufacturing machine, comprising a chassis having a camway with a cam and a countercam and an element which is movable relative to the chassis, bearing a roller interacting with the camway so as to ensure the displacement of the movable element, wherein the machine also comprises a device for controlling the displacement of the movable element, wherein the countercam has at least one portion which is movable relative to the chassis, and wherein the control device incorporates a distance sensor that continuously measures the distance of a movable portion of the countercam relative to a fixed reference point on the chassis.
Claims16
A plastic container manufacturing machine, comprising:
- a chassis having a camway with a cam and a countercam;
- an element which is movable relative to the chassis, the element bearing a roller interacting with the camway so as to cause displacement of the movable element;
- and
- a device for controlling the displacement of the movable element,
- wherein the countercam has at least one portion which is movable relative to the chassis, the control device comprising a distance sensor that continuously measures the distance of the movable portion of the countercam relative to a fixed reference point on the chassis, and
- wherein the machine further comprises a computer unit coupled to the sensor, the computer unit being parametrized to identify, for each cycle of the machine, a variation in the displacement of the movable portion of the countercam relative to a predetermined displacement, to compare said variation to a range of predetermined authorized variations, and to generate a warning when said variation is outside of the range of authorized variations.
Dependencies are inferred from the claim text.