Title:
WORKPIECE CLAMPING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/190176
Kind Code:
A1
Abstract:
A workpiece clamping device that enables a workpiece to be sent to the next step in an inverted state, the workpiece clamping device having a lower unit in which a lower-side clamping block that supports a workpiece from beneath is rotated by a drive motor, an upper unit in which an upper-side clamping block that presses the workpiece from the upper side thereof is freely rotatable by a rotating shaft that is coaxial with the lower-side clamping block, a lift mechanism that raises and lowers the upper unit along the rotating shaft, an actuator that moves the upper unit in the rotating shaft direction in a raising/lowering part of the lift mechanism, an upper/lower unit connecting mechanism that downwardly retracts a retracting rod on the rotating shaft that protrudes downward from the upper unit by grasping the retracting rod inside the lower unit, and a tapered arbor that is disposed in a state in which the retraction rod penetrates therethrough and that is fitted by the urging force of an urging member into a center hole of the workpiece attached to a taper.
Inventors:
YANAGISAKI JUN (JP)
Application Number:
PCT/JP2021/009045
Publication Date:
September 15, 2022
Filing Date:
March 08, 2021
Export Citation:
Assignee:
FUJI CORP (JP)
International Classes:
B23C3/12; B23B31/02; B23F23/06; B23Q3/06
Foreign References:
| JP2013202746A | 2013-10-07 | |||
| JP2005262354A | 2005-09-29 | |||
| JPH0563728U | 1993-08-24 | |||
| JP2001287111A | 2001-10-16 | |||
| JP2003175438A | 2003-06-24 |
Attorney, Agent or Firm:
HIROTA Akihiro (JP)
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