Automatic height adjusting device based on laser displacement sensor and control method thereof

A laser displacement and control method technology, applied in laser welding equipment, manufacturing tools, welding equipment, etc., can solve the problems of unsuitable application of precision cutting control, low precision of Z-axis dynamic adjustment, unusable contact sensors, etc., to achieve Improve operating efficiency, ensure cutting accuracy and effect, and effect of long detection distance
CN110202273APending Publication Date: 2019-09-06深圳市睿达科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
深圳市睿达科技有限公司
Publication Date
2019-09-06

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Abstract

The invention discloses an automatic height adjusting device based on a laser displacement sensor. The device comprises a Z-axis motor executing mechanism, a height adjusting controller and the laserdisplacement sensor. The automatic height-adjusting device is simple in structure. The laser displacement sensor examines the position of a workpiece and feeds back a distance signal, and the height adjusting controller then adjusts the height position of a laser cutting head according to a measurement feedback result. According to the device, the laser displacement sensor of Panasonic HG-C1100 model is adopted preferably, so that the detection precision is high. In addition, in the process of adjusting the height of the laser cutting head, the distances from positions of measuring spots of the laser displacement sensor to the cut workpiece are kept consistent, so that a purpose that a laser focusing point does not deviated from the cut workpiece. The invention also provides a control method of the automatic height adjusting device based on the laser displacement sensor. By collecting information of points in real time, the automatic height adjusting device carries out real-time control, so that the control precision is improved effectively and the operating efficiency of the whole system is improved.
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Description

technical field

[0001] The invention belongs to the field of laser processing, and in particular relates to an automatic height adjustment device of a laser cutting machine and a control system and method thereof. Background technique

[0002] Ordinary two-dimensional laser cutting processing is generally composed of a laser, a mirror and a focusing mirror. The laser focus is focused on a two-dimensional plane for cutting. But when encountering uneven or three-dimensional processing materials, ordinary two-dimensional cutting systems will not be able to meet the cutting requirements. Laser cutting technology has the characteristics of high cutting dimensional accuracy, no burr in the incision, no deformation in the slit, fast cutting speed and not limited by the processing shape. It has been more and more used in the field of mechanical processing.

[0003] When the cutting machine is in operation, in order to ensure that the distance between the cutting nozzle of the cutti...

Claims

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