Deburring device

Patent metadata

Field	Value
Publication number	US-2021086305-A1
Application number	US-202017025231-A
Country	US
Kind code	A1
Filing date	Sep 18, 2020
Priority date	Sep 25, 2019
Publication date	Mar 25, 2021
Grant date	—

Abstract

An object is to provide a technology in which in debarring machining on a three-dimensionally shaped ridge line by laser application, a stable gas flow can be supplied and in which stable deburring machining can be performed. A deburring device for removing a burr which is present on a ridge line of a workpiece after being machined, includes: a laser device which includes a laser machining head that applies laser light to the ridge line; a transport device which transports the laser device and a gas jetting, device; and a controller which controls the laser device, the gas jetting device and the transport device and the controller controls the gas jetting device and the transport device such that a gas jetting nozzle is moved on a plane including the bisector of an apex angle of the ridge line and the ridge line and that in a side view parallel to the ridge line, an angle formed by the ridge line and the central axis line of the gas jetting, nozzle is an acute angle.

First claim

What claimed is:

1 . A deburring device for removing a burr which is present on a three-dimensionally shaped ridge line after being machined, the deburring device comprising:
a laser device which includes a laser machining head that applies laser light to the three-dimensionally shaped ridge line; a gas jetting device which includes a gas jetting nozzle that jets an assist gas; a transport device which transports the laser device and the gas jetting device; and a controller which controls the laser device, the gas jetting device and the transport device, wherein the controller controls the gas jetting device and the transport device such that the gas jetting nozzle is moved on a plane including, a bisector of an apex angle of the ridge line and the ridge line and that in a side view parallel to the ridge line, an angle formed by the ridge line and a central axis line of the gas nozzle is an acute angle.

2 . The deburring device according to claim 1 , wherein the controller controls the gas jetting device and the transport device such that in a side view parallel to the ridge line, the angle formed by the ridge line and the central axis line of the gas jetting nozzle is equal to or less than 22.5 degrees.

3 . A deburring device for removing a burr which is present on a three-dimensionally shaped ridge line after being machined, the deburring device comprising:
a laser device which includes a laser machining head that applies laser light to the three-dimensionally shaped ridge line; a gas jetting device which includes a pair of gas jetting nozzles that jet an assist gas; a transport device which transports the laser device and the gas jetting device; and a controller which controls the laser device, the gas jetting device and the transport device, wherein the controller controls the gas jetting device and the transport device such that the pair of gas jetting nozzles are moved while positions symmetrical to each other with respect to a plane including a bisector of an apex angle of the ridge line and the ridge line are being retained and that in a side view parallel to the ridge line, angles formed by the ridge line and central axis lines of the pair of gas jetting nozzles are acute angles.

4 . The deburring device according to claim 3 , wherein the controller controls the gas jetting device and the transport device such that in a side view parallel to the ridge line, the angles formed by the ridge line and the central axis lines of the pair of gas jetting nozzles are substantially zero degrees.

5 . The debarring device according to claim 3 , wherein the controller controls the gas jetting device and the transport device such that in a plan view parallel to the ridge line, angles formed by the ridge line and the central axis lines of the pair of gas jetting nozzles are equal to or less than 45 degrees.

6 . The debarring device according to claim 4 , wherein the controller controls the gas jetting device and the transport device such that in a plan view parallel to the ridge line, angles formed by the ridge line and the central axis lines of the pair of gas jetting nozzles are equal to or less than 45 degrees.

7 . The deburring device according to claim 3 , wherein the controller controls the gas jetting device and the transport device such that an intersection of the central axis lines of the pair of gas jetting nozzles is located within the three-dimensional shape.

8 . The deburring device according to claim 4 , wherein the controller controls the gas jetting device and the transport device such that an intersection of the central axis lines of the pair of gas jetting nozzles is located within the three-dimensional shape.

9 . The deburring device according to claim 5 , wherein the controller controls the gas jetting device and the transport device such that an intersection of the central axis lines of the pair of gas jetting nozzles is located within the three-dimensional shape.

10 . The deburring device according to claim 6 , wherein the controller controls the gas jetting device and the transport device such that an intersection of the central axis lines of the pair of gas jetting nozzles is located within the three-dimensional shape.

Assignees

• Fanuc Corp

Inventors

• Mori Atsushi

Classifications

• B23K26/14

  using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor (B23K26/12 takes precedence) · CPC title

• B23K26/0884

  in at least three axial directions, e.g. manipulators, robots · CPC title

• B23K26/0876

  in at least two axial directions · CPC title

• B23K26/0869

  Devices involving movement of the laser head in at least one axial direction · CPC title

• B23K26/702

  Auxiliary equipment · CPC title