Title:
PROCESSING DEVICE
Document Type and Number:
Japanese Patent JP2022038718
Kind Code:
A
Abstract:
To replace a processing tool wheel from a mount in a short time in a processing device.SOLUTION: A processing device 1 includes means 2 that attaches a processing tool wheel 25, with a processing tool 251 disposed on a lower surface of an annular base 250, to an attaching surface 240 of a mount 24 disposed at a tip of a spindle 20 and processes a workpiece. The processing tool wheel 25 extends from an inside surface of the annular base 250 toward a center thereof and includes at least two flange parts 254 disposed opposite to each other with respect to the center of the processing tool wheel 25. The mount 24 includes: a hooking portion 243 that catches the flange portions 254; a spring 244 that urges the hooking portion 243 upward in an axial direction of the spindle 20; and a support portion 245 that supports the hooking portion 243 so that the hooking portion is movable in the axial direction. A processing tool wheel 25 attached to the attaching surface 240 includes: a first projection 2402 formed on the attaching surface 240 of the mount 24, so as not to be rotated and moved on the attaching surface 240; and a first recess 2501 formed in an upper surface of the annular base 250 and into which the first projection 2402 can be fitted.SELECTED DRAWING: Figure 2
Inventors:
GENOEN JIRO
Application Number:
JP2020143353A
Publication Date:
March 10, 2022
Filing Date:
August 27, 2020
Export Citation:
Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B24B45/00; B23C5/26; B23D11/00; B23D13/00; B24B7/04; B24B37/10; H01L21/304
Attorney, Agent or Firm:
Patent Business Corporation Tokyo Alpa Patent Office