US 12,304,060 B2
Nozzle replacement table unit
Hiroyoshi Sugita, Kariya (JP)
Assigned to FUJI CORPORATION, Chiryu (JP)
Appl. No. 17/614,443
Filed by FUJI CORPORATION, Chiryu (JP)
PCT Filed May 31, 2019, PCT No. PCT/JP2019/021744
§ 371(c)(1), (2) Date Nov. 26, 2021,
PCT Pub. No. WO2020/240828, PCT Pub. Date Dec. 3, 2020.
Prior Publication US 2022/0234217 A1, Jul. 28, 2022
Int. Cl. B25J 15/04 (2006.01); B25J 15/06 (2006.01)
CPC B25J 15/0433 (2013.01) [B25J 15/0616 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A nozzle replacement table unit comprising:
a nozzle container configured to accommodate multiple nozzles for replacement;
a pedestal to which the nozzle container is detachably attached;
a fixing mechanism configured to fix the nozzle container to the pedestal; and
an operation section configured to release fixing by the fixing mechanism, wherein
the operation section is provided in the nozzle container,
the fixing mechanism includes a connection cylinder provided at an end portion of the nozzle container in a longitudinal direction, and a receiving cylinder provided at a corresponding part of the pedestal and into which the connection cylinder is fitted,
the connection cylinder includes
a housing inserted into a hole penetrating through the end portion of the nozzle container,
a shaft inserted into the housing, an upper end portion of the shaft being the operation section, and a lower end portion of the shaft including, formed in order toward a lower end of the shaft, a small-diameter section, a tapered section, and a large-diameter section,
a coil spring which biases the shaft upward with respect to the housing, and
a ball disposed in a space defined by the lower end portion of the shaft and an opening provided in the housing,
the receiving cylinder has an inner diameter larger than an outer diameter at a lower end portion of the housing, and includes an annular ridge extending inside in a radial direction and formed on an inner peripheral surface of the receiving cylinder, and
when the connection cylinder is inserted into the receiving cylinder to fix the nozzle container to the pedestal, the ball is fitted into the ridge of the receiving cylinder.