Burr & Brown, PLLC
Bolt caulking method and bolt caulking device
There are provided a bolt caulking method and a bolt caulking device which ensure supply and caulking of a bolt as a single operation. The method is a bolt caulking method including supplying a bolt into a nose piece having a vertical hole, and lowering a punch from above to drive the bolt into a metal plate. The bolt is supplied through a pipe connected to a side of the nose piece, and dropped into a vertical hole formed in the nose piece along an inclined hole formed at a tip end of the pipe with a head part of the bolt being located on the topside. Thereafter, the punch which ejects air from a central hole is lowered within the vertical hole to drive the bolt into a metal plate while holding the bolt at a lower part of the vertical hole by the ejecting air flow.
Aoyama Seisakusho Co., Ltd.
B F B B
B23P F16B B23P B23P
inventional inventional inventional inventional
Yukinori Toshiya Naoki
Fujimoto Mori Hoshino