| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibrating conveying apparatus capable of finding the weight of an article loaded thereon without using a weight sensor such as a load cell while reducing electric power consumption. SOLUTION: This vibrating conveying apparatus includes: a vibrating feeder 12 comprising a vibrator structured so as to make vibrating motion for vibrating an article loader through intermittent energization given to an electromagnet 24; a feeder main control means 191 for repeatedly impressing drive voltage pulses on the electromagnet 24 at a frequency equating with the characteristic frequency of the vibrating feeder 12 and controlling the pulse width of the voltage pulses so that the vibration amplitude of the article loader coincides with a target amplitude; an amplitude detection means 30 for detecting the vibration amplitude of the article loader; and a weight calculation means 191 for calculating the weight of an article on the article loader based on the pulse width of a drive voltage pulse impressed thereon immediately before the time when a detected vibration amplitude is the target amplitude. COPYRIGHT: (C)2011,JPO&INPIT |
