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    • 8. 发明专利
    • DEVICE FOR SUPPLYING AND EXTRACTING WORKING MATERIAL OF PRESS MACHINE OR THE LIKE
    • JPS56158230A
    • 1981-12-05
    • JP6170580
    • 1980-05-12
    • JAPAN STEEL WORKS LTD
    • HARADA NAOYUKIBANDOU HIDEOFUJIMURA HIROSHI
    • B21D43/18
    • PURPOSE:To make accurate supplying and extracting of material possible without stringent adjustment of the positions and heights of dies and feeders by making the storage of the positions of an arm with a sucker of unfixed moving distances always possible and performing the operation of the sucker and the position storage simultaneously. CONSTITUTION:When switches 30a-30d are turned off and a control device 24 is operated in the 1st step, no electricity is conducted to motors 11a-11d and vertical, swiveling, cross and rotary motions are free. Thereupon, the operator moves an arm 1 by hand until a sucker 3 contacts the work W of a feeder F and when he presses a switch 2, the material W is sucked to the sucker 3 by the operation of the device 24 and the arm positions are written into the places 23a1-23d1 of a storage device 23. Then, when he brings the arm 1 over dies and operates it in the same manner, the material W is left on the dies and the arm positions are written into the places 23a2-23d2. Hence, when the switches 30a-30d are turned on and the device 24 is operated in the 2nd step, electricity is supplied to the sucker 3 by set signals 27a-27d, and tha arm 1 makes a series of various operations mentioned above after descending and sucking.