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Blade automated detection device based on three-dimensional raster scanning and detection method thereof

An automatic detection and three-dimensional grating technology, applied in the field of non-contact three-dimensional optical detection, can solve problems such as difficult to achieve batch production, standardized detection, increased detection time, detection accuracy and effect are greatly affected by human factors, etc.

Inactive Publication Date: 2016-04-27
SICHUAN UNIV
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  • Application Information

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Problems solved by technology

This increases the detection time, and at the same time, the detection accuracy and effect of the same type of parts are greatly affected by human factors, and it is difficult to achieve batch and standardized detection requirements

Method used

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  • Blade automated detection device based on three-dimensional raster scanning and detection method thereof
  • Blade automated detection device based on three-dimensional raster scanning and detection method thereof
  • Blade automated detection device based on three-dimensional raster scanning and detection method thereof

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Embodiment Construction

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0017] refer to figure 1 and figure 2 The blade automatic detection device based on three-dimensional raster scanning and the detection method thereof include a motion control component, a scanner vertical motion component, a scanner rotary motion component, and a workpiece rotary motion component. Adopt PC-PCI based motion control card (23) to control each moving part to move according to the specified trajectory; the vertical moving part of the scanner is installed on the base (2), and the parts can slide along the vertical direction. The sliding plate (4) realizes the movement of the scanner in the vertical direction; the rotary moving part of the scanner is installed on the connecting plate (5) of the vertical moving part of the scanner, and a connecting rod ( 12); The electromagnetic chuck (18) for fixing the workpiece is arranged on the workpiece rot...

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Abstract

The present invention discloses a blade automated detection device based on three-dimensional raster scanning based on three-dimensional optics and a detection method thereof. The device comprises a motion control component, a scanner vertical motion component, a scanner rotation motion component, and a workpiece rotation motion component. A PC-PCI based motion control card is used to control each motion component to move according to a specified trajectory. The scanner vertical motion component is installed on a base and is provided with a sliding plate capable of sliding along a vertical direction, and the movement of a scanner in the vertical direction is realized. The scanner rotation motion component is installed to the connection plate of the scanner vertical motion component and is provided with a connection rod which drives the scanner to rotate. The workpiece rotation motion component is provided with an electromagnetic sucker for fixing the workpiece, the workpiece is driven to rotate, and thus complete workpiece three-dimensional model data can be scanned.

Description

technical field [0001] The invention relates to the field of non-contact three-dimensional optical detection, in particular to a blade automatic detection device and a detection method based on three-dimensional raster scanning. Background technique [0002] Three-dimensional raster scanning uses technologies such as photogrammetry, raster measurement, and digital image processing. During the scanning process, the measurement coordinate system is established according to the positioning punctuation points, and the three-dimensional model of the part is obtained by shooting multiple pictures. The collected 3D model data is compared and analyzed with the design model, so as to realize the part size detection. However, the shape of steam turbine blades is complex, and the detection of three-dimensional raster scanning can accurately and quickly realize the detection of the overall size of the blades. [0003] At present, there are the following problems in the detection of ste...

Claims

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Application Information

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IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 殷鸣陈俊宇向召伟邓珍波殷国富吴冰洁
Owner SICHUAN UNIV
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