| 摘要 |
PURPOSE:To facilitate a work attaching and detaching work by providing a vacuum suction cup on the fitting base of a work and connecting it to a vacuum generating device via a vacuum change over valve as well. CONSTITUTION:A vacuum suction cup 31 is fitted upward by providing a pierced hole 22a at the center of the upper plate 22 of a work fitting base 20. An air cylinder 34, twoway change over valve 37 for vacuum, threeway change over valve 36 for compressed air and a vacuum generating device 39 are then arranged. A work 17 is placed on an upper plate 22 and provisionally fixed via a positioning stopper 25 and fixing device 24. The suction cup 31 is then ascended by the air cylinder 34 and adhered to the bottom face of the work 17, and sucked to the bottom face of the work 17 by changing over a change over valve 37. The fixation of the work 17 and the release of the fixation are thus performed only with the operation of the change over valve 37. Consequently, the attaching and detaching work of the work 17 is simplified.
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