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. The machine also comprising a device for controlling the displacement of the movable element. The countercam has at least one portion which is movable relative to the chassis, and 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 (1), comprising:
- a chassis (2) having a camway (6) with a cam (61) and a countercam (62);
- an element (3) which is movable relative to the chassis (2), bearing a roller (7) interacting with the camway (6) so as to ensure the displacement of the movable element (3),
- a device (4) for controlling the displacement of the movable element (3),
- wherein the countercam (62) has at least one portion (63) which is movable relative to the chassis (2), the control device (4) incorporating a distance sensor (11) that continuously measures the distance of the movable portion (63) of the countercam (62) relative to a fixed reference point on the chassis (2), and
- wherein the machine (1) comprises a computer unit (5) coupled to the sensor (11), the computer unit (5) being parametrized to identify, for each cycle, a variation in the displacement of the movable portion (63) of the countercam (62) relative to a predetermined displacement, to compare said variation to a range of authorized variations, and to send a warning when said variation is outside of the range of authorized variations.
Dependencies are inferred from the claim text.