Vision auxiliary sheet material excess material stock layout method

A technology for plates and surplus materials, applied in measuring devices, instruments, optical devices, etc., can solve problems such as misjudgment, inability to utilize plates, and low efficiency, so as to reduce waste of surplus materials and material costs, and strengthen management and utilization Effect

Inactive Publication Date: 2016-10-26
上海柏楚电子科技股份有限公司
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Problems solved by technology

The traditional method is that the workers adjust the position of the machine tool and re-cut the plate that can be used by relying on the naked eye and rough measurement methods. make full use of

Method used

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  • Vision auxiliary sheet material excess material stock layout method

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Embodiment Construction

[0020] The present invention will be further described below according to the accompanying drawings.

[0021] Such as figure 1 As shown, when the present invention is used, the light source is installed directly above the machine tool, and the 2D camera is fixedly installed on the upper left of the machine tool. After installation, the camera needs to be calibrated when it is used for the first time. The main purpose of calibration is to determine the image Each pixel value in corresponds to the distance of the actual machine tool, so as to determine the conversion relationship between the world coordinates of the plate plane and the pixel coordinates of the picture.

[0022] In the subsequent use, the camera collects images of the plate, and then transmits the photos to the computer, uses computer vision algorithms to process the image, extracts the shape and position information of the remaining material of the plate, and generates a visualized image window. In actual opera...

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Abstract

The present invention relates to the field of the laser cutting, especially to a vision auxiliary sheet material excess material stock layout method. The method comprises the following steps: (1) performing camera calibration; (2) collecting an image; (3) extracting the contour of an area having been cut; (4) selecting a cutting figure and setting parameters; (5) dragging a figure and mapping the figure to a visualization window; (6) determining a stock layout position; (7) finishing the stock layout; (8) determining whether there are excess materials for usage; and (9) finishing the stock layout of the sheet materials, and generating the processing position instruction of the cutting figure. Compared with the prior art, the vision auxiliary sheet material excess material stock layout method can realize automatic detection and accurate determination and enhance the management and the application of the sheet material excess material so as to greatly reduce the excess material waste and the material cost of the manufacturing enterprise, allow operators to easily move the parts to be processed and easily determine whether the area of the excess material can cut parts to be processed or not and provide an effective detection and determination method for full utilization of the excess materials.

Description

technical field [0001] The invention relates to the field of laser cutting, in particular to a visually assisted method for laying out remaining board materials. Background technique [0002] Laser cutting technology is widely used in industrial fields due to its narrow slit, small workpiece deformation, non-contact, wide adaptability and flexibility, and the whole process has no pollution to the environment. [0003] Generally, the complete plate is cut. In the absence of optimized layout, cutting of large parts or other various factors, after the cutting is completed, some usable cutting residue will be generated. The traditional method is that the workers adjust the position of the machine tool and re-cut the plate that can be used by relying on the naked eye and rough measurement methods. Make the most of it. Therefore, there is an urgent need for a more automated, efficient and convenient method to assist in the layout of the rest of the plate. Contents of the inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/24
CPCG01B11/00G01B11/24
Inventor 徐超代田田杨撷成
Owner 上海柏楚电子科技股份有限公司
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