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US 10,632,659 B2Granted
Abnormality detection device
AssigneeFanuc Corporation
InventorsKoichi Nishimura, Toshiaki Ichihara
Life of this patent
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Abstract
An abnormality detection device for detecting an abnormality of a movable part provided in an injection molding machine includes: a through hole formed in the movable part or in an adjacent member arranged adjacent to the movable part; and a microphone installed inside the through hole to collect sound generated by the movement of the movable part.
Claims8
An abnormality detection device for detecting an abnormality of a movable part provided in an injection molding machine, comprising:
- a through hole formed in the movable part or in an adjacent member arranged adjacent to the movable part;
- and
- a microphone installed inside the through hole and configured to collect sound generated by movement of the movable part, wherein:
- in order to suppress collection of background noise with the microphone through the through hole, a sound insulator is provided inside the through hole opposite a sound generation position where sound is generated by the movement of the movable part, with respect to the microphone.
1 more element
Dependencies are inferred from the claim text.