Patent ID: 7954624
Filing Date: 2011-06-07
Classification: G01N

Abstract:
1. A shuttle-type conveying device comprising: at least one conveying path; a shuttle conveying portion provided with a conveying table portion that can be elevated up and down for reciprocating or circulating on the conveying path with an article to be conveyed on the conveying table portion; a receiving/delivery table arranged above the conveying path and provided with a bottom-face opening portion larger than the conveying table portion and smaller than the article to be conveyed; and a control portion for controlling the shuttle conveying portion so that the article to be conveyed which is placed on the receiving/delivery table is taken out, conveyed and placed on the receiving/delivery table at a conveying destination by movement on the conveying path of the shuttle conveying portion and an elevating operation of the conveying table portion; a take-out control portion that moves the shuttle conveying portion to below the receiving/delivery table with the conveying table portion lowered and raises the conveying table portion from below the receiving/delivery table and has it passed through the bottom-face opening portion, thereby to lift up the article to be conveyed placed on the receiving/delivery table; a conveying control portion for moving the conveying table portion with the article to be conveyed to the receiving/delivery table to be a conveying destination; and a receiving/delivery control portion that moves the shuttle conveying portion with the article to be conveyed to above the bottom-face opening portion of the receiving/delivery table to be the conveying destination and then, lowers the conveying table portion so that the article to be conveyed is placed on the receiving/delivery table of the conveying destination; a receiving/delivery control portion that moves the shuttle conveying portion with the article to be conveyed to above the bottom-face opening portion of receiving/delivery table to be the conveying destination and then, lowers the conveying table portion so that the article to be conveyed is placed on the receiving/delivery table of the conveying destination, and that moves the shuttle conveying portion to outside the receiving/delivery table after the article to be conveyed is lifted up by the taken-out control portion, and then, lowers the conveying table portion at a position lower than the receiving/delivery table, has the shuttle conveying portion with the article to be receiving/delivery table to be a conveying destination.