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Laser processing apparatus

A technology of laser processing and laser processing head, which is applied in the direction of laser welding equipment, metal processing equipment, manufacturing tools, etc., to achieve the effect of improving processing efficiency and reducing product cost

Inactive Publication Date: 2006-03-01
FANUC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, no technology has been found in the published literature that simply solves the problem that the moving speed of the laser processing head is determined by the moving speed of the robot.

Method used

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  • Laser processing apparatus
  • Laser processing apparatus

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Embodiment Construction

[0016] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0017] In addition, in the following description, symbol #n represents the nth axis of the robot controlled by the robot control device through the servo control unit of each axis.

[0018] figure 1 It is a figure which shows the main part structure of the laser processing apparatus concerning 1 Embodiment of this invention. refer to figure 1 , the robot control device 10 works as a control unit of the whole system, and has a central processing unit (main CPU, hereinafter referred to as CPU). The CPU is connected via the bus: a memory consisting of RAM and ROM, an interface for the teaching operation panel connected to the teaching operation panel 11, an input / output interface for a laser device connected to the laser oscillator 20, and a control drive robot. A servo control unit for the servo motors of the axes #1 to #6 of 1, and a servo control unit for controlling...

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Abstract

A laser processing apparatus includes a six-axis robot operating by robot axes controlled by a robot control device and a processing tool mounted on the end of the arm of the robot. A processing head is provided on a horizontal movement mechanism provided on a horizontal movement mechanism support base, which is in turn supported by a carrier able to move on a vertical movement mechanism. The vertical movement mechanism and the horizontal movement mechanism are driven by additional axes controlled by the robot control device. In a non-processing section of the workpiece etc., only the additional axes are operated to move the processing head at a high speed and shorten the cycle time. When operating the additional axes to move, the data of the relative position of the control point (tool end point) with respect to a fixed point on the arm forward end is corrected each time.

Description

technical field [0001] The present invention relates to a laser processing device, and more specifically, to a laser processing device for performing laser processing by attaching a processing tool to the front end of an arm of a robot. Background technique [0002] In recent years, the technology of laser processing by installing a processing tool composed of a laser processing head (hereinafter also simply referred to as "processing head") on the front end of the robot arm has a tendency to expand the application field. For example, in the automotive industry Centered on the spot welding technology, it is attracting attention as a processing technology that replaces spot welding technology and the like. However, since a laser processing device is relatively expensive compared with a spot welder, etc., it is desired to improve processing efficiency by shortening cycle time in order to replace other conventional processing devices. [0003] An important factor for further s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/08B23K26/00B25J13/00B25J19/00
CPCB23K26/0884
Inventor 大塚和久古屋好丈
Owner FANUC LTD