A detection device and detection method for workpiece flatness based on vision system
A detection method and a technology of a vision system, applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as low efficiency, high cost, uncontrollable error rate, etc., and achieve the effect of reducing the cost of use
Active Publication Date: 2021-06-22
DONGGUAN POLYTECHNIC
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[0007] At present, two methods are usually used for flatness detection in the industry. One is to conduct high-precision detection manually, which requires the use of skilled workers with a high level of technology. The characteristic is that the detection accuracy is high, but the efficiency is low. And the error rate is uncontrollable; there is also a professional testing equipment for testing, which requires a special process for testing, which is characterized by high detection efficiency but high cost
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[0027] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0028] Such as Figure 1-2 The shown device for detecting the flatness of a workpiece based on a vision system includes a conveyor belt 1 for conveying the workpiece 100, at least one detection area located directly above the conveyor belt 1, and each detection area includes a plurality of The laser ranging sensor 2 irradiated by the conveyor belt 1 and the image collector 3 of the vision system located directly above the conveyor belt 1 and taking pictures towards the conveyor belt 1, the laser ranging sensor 2 is used to detect the distance between the laser ranging sensor 2 and the workpiece 100 , the vision system can obtain the real-time image of the workpiece through the image collector 3 and finally obtain the real-time coordinates of the workpiece.
[0029] The laser ranging sensor 2 ...
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The invention discloses a detection device and a detection method for workpiece flatness based on a vision system. The laser ranging sensor above and irradiating towards the conveyor belt and the image collector of the vision system located directly above the conveyor belt and taking pictures towards the conveyor belt. The laser ranging sensor is used to detect the distance between the laser ranging sensor and the workpiece. The vision system passes the image The collector can acquire the real-time image of the workpiece and finally the real-time coordinates of the workpiece, and the laser ranging sensors in each detection area are arranged along the width direction of the conveyor belt. The invention can more accurately determine the flatness of the workpiece.
Description
technical field [0001] The invention relates to the field of workpiece flatness detection, in particular to a detection device and detection method for workpiece flatness based on a vision system. Background technique [0002] With the advancement of science and technology, more and more industrial robots are being used in the production field to replace humans for repetitive production activities. [0003] An industrial robot is a multi-joint manipulator or a multi-degree-of-freedom machine device for the industrial field. It can perform work automatically and is a machine that realizes various functions by its own power and control capabilities. It can be commanded by humans or run according to pre-programmed programs. Modern industrial robots can also act according to the principles and programs formulated by artificial intelligence technology. [0004] In order to improve the degree of automation of industrial robots, industrial robots are required to be able to intelli...
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IPC IPC(8): G01B11/30
Inventor 陈永刚李国臣万松峰
Owner DONGGUAN POLYTECHNIC