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A New Contact Measuring Device for Plate Curvature

A contact measurement, a new type of plate technology, applied in the direction of measurement devices, instruments, etc., can solve the problems of backward measurement technology, achieve the effect of fast calculation speed, wide application, and improve processing speed and accuracy

Inactive Publication Date: 2018-09-18
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a new type of plate curvature contact measuring device, which is suitable for realizing the forming effect detection function of large-scale processing equipment such as plate rolling machines and hydraulic presses.

Method used

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  • A New Contact Measuring Device for Plate Curvature
  • A New Contact Measuring Device for Plate Curvature
  • A New Contact Measuring Device for Plate Curvature

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Embodiment Construction

[0029] The invention researches the measurement method of sheet curvature, and invents a new type of sheet curvature contact measuring device for the roll bending machine, that is, the three contacts of the measuring device are in contact with the sheet, and the measurement on both sides can be measured by the angle encoder The angle of the point relative to the middle point, where the distance between the measured points on both sides and the middle point is a fixed value, and the radius of curvature of the sheet metal forming can be obtained through the calculation of the trigonometric function.

[0030] In the following, the innovative specific implementation of the present invention will be further described with reference to the implementation examples and the drawings.

[0031] The new plate curvature contact measuring device (hereinafter referred to as the measuring device) provided by the present invention has a structure such as figure 1 with figure 2 As shown, it includes...

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Abstract

The invention discloses a novel plate curvature contact measuring device.Vertical motion of the device is interactively controlled by two servo motors, three cams of the measuring device make contact with a plate to be measured, the angles of measuring points on the two sides of the plate to be measured relative to a middle point of the plate are measured by an angle encoder, the distances between the two-side measuring points and the middle point are constant values, and the plate forming curvature radius is obtained through trigonometric function calculation.Compared with other plate curvature measuring devices, the novel plate curvature contact measuring device has the advantages of beings simple in structure, high in measuring speed and precision, capable of achieving plate processing automation and being not influenced by the plate surface condition and the processing environment and the like.

Description

Technical field [0001] The invention relates to a novel plate curvature contact measuring device, in particular to a three-point contact type plate curvature contact measuring device, which belongs to the field of plate bending processing automation. Background technique [0002] Sheet roll bending is a relatively common sheet forming processing method, which is widely used in various industries such as aviation, shipbuilding, boilers, and chemical industries. However, due to some problems in the automatic control process of the roll bending machine, the operation of the roll bending machine is still limited to manual-guided processing, and an automatic control processing mode has not been formed. Compared with other processing methods that have achieved automatic control, manual sample matching is not only inefficient and inaccurate, but also consumes a lot of materials and man-hours in the production of samples. At the same time, manual inspection also restricts the automatic c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/20
CPCG01B21/20
Inventor 郭荣杜洪文刘彬彭敏胡炳强
Owner WUHAN UNIV OF TECH
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