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Patent Searching and Data


Title:
TOOL CHANGING DEVICE
Document Type and Number:
Japanese Patent JP2008110429
Kind Code:
A
Abstract:

To surely lock a tool to a tool gripping part of a tool changing arm before drawing the tool from a spindle in tool changing, and release the tool from the tool gripping part after clamping the tool to the spindle.

The tool changing device is equipped with the tool changing arm 31 which has a tool gripping recessed part 37 and can be turn around a turning axis line P, a grip shaft 39 which can move to the vertical direction to the turning axis line P between a gripping position for gripping the tool T to the tool gripping recessed part 37 and a releasing position for releasing the gripping of the tool T, a locking pin 45 which extends to the parallel to the turning axis line P and has a cam groove, and a locking pin drive mechanism which drives the locking pin 45 in both direction along the axis line parallel to the turning axis line P. A grip shaft 39 is switched from an unlocking state to a locking state by removing the other end of the grip shaft 39 engaged with the locking pin 45 from the cam groove of the locking pin 45.


Inventors:
ICHIKAWA TOMOKI
Application Number:
JP2006294566A
Publication Date:
May 15, 2008
Filing Date:
October 30, 2006
Export Citation:
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Assignee:
MAKINO MILLING MACHINE
International Classes:
B23Q3/157
Domestic Patent References:
JPH1142526A1999-02-16
JP2000126966A2000-05-09
JP2002001628A2002-01-08
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki