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Laser cutting head displacement sensor with multi-point measurement function

A technology of laser cutting head and displacement sensor is applied in the field of laser cutting head displacement sensor with multi-point measurement function to achieve the effects of improving detection accuracy, easy attitude and easy adjustment

Inactive Publication Date: 2012-05-02
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0006] The solution of the present invention adopts a new multi-channel parallel sensing technology, which can improve the positioning accuracy of the focus position control system, and at the same time effectively solve the problem that the normal vector direction of the cutting head and the surface of the processed workpiece are consistent in three-dimensional laser cutting

Method used

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  • Laser cutting head displacement sensor with multi-point measurement function
  • Laser cutting head displacement sensor with multi-point measurement function
  • Laser cutting head displacement sensor with multi-point measurement function

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Embodiment Construction

[0022] The structure of the laser cutting head displacement sensor of the present invention mainly includes: a sensing line connector 1, a connecting seat 2, a split metal connecting sleeve 3, a fixed insulating sleeve 4, a fixed shielding cover 7, a movable shielding cover 8, a laser cutting head The nozzle 10 etc., wherein the split nozzle 10 and the induction plate 11 are the main design parts of the present invention. The connecting seat 2 is used to connect with the components on the sensor, the sensor line connector 1 is arranged on the side of the connecting seat 2, and is used to transmit the signal of the sensor to the control system, and the split metal connecting sleeve 3 is inside the connecting seat 2, and the The effect of the wire, because if the lead wire is used, it may cause the lead wire to move and rotate. In order to insulate the connecting sleeve 3 from other parts, a fixed insulating sleeve 4 is provided between the connecting sleeve 3 and the connecting...

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Abstract

The invention discloses a laser cutting head displacement sensor with a multi-point measurement function, comprising a sensor connector, a connection base, a split metal connection sleeve, a fixed insulating sleeve, a fixed shielding cover, a movable shielding cover and a laser cutting head spray nozzle. Due to the adoption of the laser cutting head displacement sensor with the structure, the normal vector of the surface of processed workpiece can be determined rapidly, and the posture of a laser cutting head can be adjusted easily. A position feedback mechanism of the laser cutting head and a workpiece normal vector measuring mechanism can be effectively combined to realize the high-precision high-efficiency laser cutting work.

Description

technical field [0001] The invention belongs to the technical field of laser focus position detection and surface method vector detection of processed materials in laser three-dimensional cutting, and in particular relates to a measurement method with multi-point measurement function and a laser cutting head displacement sensor with multi-point measurement function, which can quickly Automatic vertical positioning of the laser head and detection of the distance between the laser head and the workpiece. Background technique [0002] In the laser cutting process, in order to ensure the cutting quality, it is necessary to maximize the power density at the incision, which requires a certain gap between the nozzle of the cutting head and the surface to be processed, and the gap must be constant. The relative position between the laser beam focus point and the workpiece, that is, the defocus amount, is an important process parameter of laser cutting. During the cutting process, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/42B23K26/04B23K26/38
Inventor 张宏志杨立军王扬王长和宋志星
Owner HARBIN INST OF TECH
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