Detection apparatus and detection method for casing-shaped element
A detection device and detection method technology, applied in the direction of measuring devices, mechanical measuring devices, mechanical devices, etc., can solve the problems of complex structure of shell-shaped components, inconsistent application status of shell-shaped components, errors, etc.
Inactive Publication Date: 2016-12-07
MICRO MOTION INC
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[0003] However, usually the structure of the shell-like element is relatively complex, and the shape and / or size parameters that need to be detected include many parameters such as outer contour, length, height, arc, flatness, etc.
In the existing traditional detection method, these parameters of the shell-shaped component are detected by using a three-coordinate detection device. This detection process requires a lot of time, and especially in the case It is difficult to take points on the edge of shaped components, and it is easy to cause large errors
In addition, the entire detection process is carried out with the shell-shaped element in a natural state (without external force), which is inconsistent with the actual application state of the shell-shaped element, thus further introducing errors
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[0051] The invention will be described in detail below by means of exemplary embodiments with reference to the drawings. The following detailed description of the present invention is for the purpose of illustration only, and in no way limits the present invention and its application or use.
[0052] It should be noted that for the sake of clarity not all elements or parts have been described with reference numerals.
[0053] In this context, the term "standard size" refers to the theoretical size of the shell-like element at the time of design. The term "qualified size" refers to the size of the shell-shaped element that meets the requirements of practical applications, that is, the qualified size is the size of the shell-shaped element that is within the allowable dimensional tolerance range relative to the standard size. The term "actual application state" refers to the state of the shell element in actual application, such as a stressed state, a deformed state, and the li...
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The invention relates to a detection apparatus for a casing-shaped element. The detection apparatus comprises a substrate used for placing the casing-shaped element, wherein the substrate is provided with detection features of qualified dimensions for detecting one or more shape / dimension features of the casing-shaped element; and one or more positioning devices, wherein the positioning devices are arranged on the substrate and can move to clamping positions from loosening positions, and at the positioning positions, the positioning devices abut against the outer surface of the casing-shaped element so as to enable the casing-shaped element to be at a simulation actual application state. The invention also relates to a positioning method used for a casing-shaped element. The method comprises the following steps: placing the casing-shaped element on the substrate; clamping the casing-shaped element to the clamping positions so enable the casing-shaped element to be at the simulation actual application state; and detecting one or more shape / dimension features of the casing-shaped element.
Description
technical field [0001] The present invention relates to a detection device for shell-shaped elements and a detection method for shell-shaped elements. Background technique [0002] As we all know, the size of shell-shaped components, especially shell-shaped sheet metal parts, is easy to change due to manufacturing, transportation, storage or other reasons, and even exceeds the allowable dimensional tolerance. Therefore, the shape and / or size of the shell-shaped element need to be checked before actual application, such as assembling and welding, to ensure that it meets the requirements of actual application, that is, it is within the acceptable size. [0003] However, usually the structure of the shell-like element is relatively complex, and the shape and / or size parameters to be detected include outer contour, length, height, arc, flatness and many other parameters. In the existing traditional detection method, these parameters of the shell-shaped component are detected by...
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IPC IPC(8): G01B5/28G01B5/20G01B5/02G01B5/00
Inventor 刘照鸿徐扬高芝芹
Owner MICRO MOTION INC