Apparatus and method for plate shape detection
A sheet and shape technology, which is applied in the field of dynamic sheet shape detection devices, can solve the problems of the influence of shape detection accuracy and the inability to meet the requirements of metal sheet shape detection accuracy, etc.
Inactive Publication Date: 2016-02-17
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
[0002] At present, the method of testing the unevenness of the plate at home and abroad is to place the metal plate in a stable state to detect its shape, but in actual production, the online detection of the metal plate is carried out during the transportation of the conveying roller. In the state of motion, the inclination and fluctuation in the movement of the metal sheet have a great impact on the accuracy of the shape detection, so the existing static shape detection technology has been unable to meet the requirements for the accuracy of the shape detection of the metal sheet
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[0030] 1. If figure 1 As shown, the width D of the plate 5 is now 0.35m, and it is transported on the conveying roller table 4, and the frame 3 is installed across the conveying roller table 4. 1. The second and third rangefinders A, B and C. The distance T between the probes of the three rangefinders is 0.05m. The direction of the track below the upper beam 2 is perpendicular to the forward direction of the plate. The three range finders are controlled by stepping motors and can reciprocate in the track below the upper beam 2 according to the width D of the plate.
[0031] 2. When the plate with a width of 0.35m advances on the conveying roller table at a speed of 1m / s, the three rangefinders are controlled by a stepping motor to reciprocate directly above the plate at a speed of u=2DV / T=14m / s Movement, the stroke of one reciprocation is 0.7m. The range finder measures 20 points on the middle line of plate 5 (point X 1 ~X 20 ) is the vertical distance from the rangefinder...
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The invention discloses a device and method for detecting panel strip shapes, and belongs to the technical field of metal panel detection. The device is characterized in that as is shown in the picture 1, a machine frame (3) is installed above a transverse striding conveying roller way (4), a rail is arranged below an upper beam (2) of the machine frame (3), and a first distance measuring instrument (A), a second distance measuring instrument (B) and a third distance measuring instrument (C) which serve as a whole are installed inside the rail below the upper beam (2) side by side and can be driven by a stepping motor (1) to do reciprocating movement. The distance between probes of every two adjacent distance measuring instruments is T. The direction in which a panel (5) is conveyed on the conveying roller way (4) is perpendicular to the direction of the rail below the upper beam. The operating method comprises the steps that firstly, in the process of conveying the panel, the three distance measuring instruments do once stroke on the rail by double width value of the panel to measure the perpendicular distance between each point in the panel and the distance measuring instruments; secondly, the measured distance value is recorded; thirdly, the detected and recorded data of each point are corrected and calculated. The device for detecting the panel strip shapes has the advantages of being simple in structure, low in manufacturing cost and reliable in operation, the strip shapes can be detected under the dynamic situation, and high measuring precision can be achieved.
Description
technical field [0001] The invention belongs to the technical field of metal plate detection, and in particular relates to a device and method for dynamic plate shape detection. Background technique [0002] At present, the method of testing the unevenness of the plate at home and abroad is to place the metal plate in a stable state to detect its shape, but in actual production, the online detection of the metal plate is carried out during the transportation of the conveying roller. In the state of motion, the inclination and fluctuation in the movement of the metal sheet have a great impact on the accuracy of the shape detection, so the existing static shape detection technology has been unable to meet the requirements for the accuracy of the shape detection of the metal sheet. Contents of the invention [0003] The object of the present invention is to provide a device and method for detecting the shape of a plate under dynamic conditions, which can realize the requireme...
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IPC IPC(8): G01B21/20
Inventor 王效岗李乐毅黄庆学胡鹰王海澜
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY