Title:
SUPPLY DEVICE OF PROJECTION NUT
Document Type and Number:
Japanese Patent JP2023084632
Kind Code:
A
Abstract:
To make a safety structure to function in any spot of the entire advance/retreat stroke region of a supply rod set by an advance/retreat output type electric motor.SOLUTION: In a system which supplies a projection nut 1 to an electrode of electric resistance welding, a supply rod 7 is formed such that a guide rod 21 is inserted to a hollow main rod 20, an advance/retreat output type electric motor 33 which performs output in the same direction as the supply rod 7 and can set the advance stop position of the supply rod 7 in any spot is provided, an extension member 42 in the state of extending in the reverse direction to the advance direction of the main rod 20 is formed, a detection object member 48 detected by a sensor 51 is attached to the extension member 42, and the sensor 51 includes a fixation structure which can be fixed to any position of a long stationary member 53 arranged along the advance/retreat operation direction of the supply rod 7.SELECTED DRAWING: Figure 1
Inventors:
AOYAMA YOSHITAKA
AOYAMA SHOJI
AOYAMA SHOJI
Application Number:
JP2021209952A
Publication Date:
June 19, 2023
Filing Date:
December 07, 2021
Export Citation:
Assignee:
AOYAMA SHOJI
International Classes:
B23K11/14; B23K11/30; B23P19/06; B65G47/88