A fixture for eccentricity measurement
An eccentric and fixture technology, applied in the direction of measuring devices, mechanical measuring devices, mechanical devices, etc., can solve the problems of difficult to fix the workpiece accurately, troublesome measurement, poor applicability, etc., and achieve good clamping positioning and centering operation Convenience, convenience improvement effect
Active Publication Date: 2021-01-01
CHANGCHUN UNIV OF SCI & TECH
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Problems solved by technology
[0002] At present, for workpieces with eccentric holes, it is generally troublesome to measure the eccentric distance. When measuring, it is generally necessary to use a special shaft that is the same size as the hole diameter to extend into the workpiece, and then rotate the workpiece. This method of measurement is cumbersome to operate, and it is necessary to design a shaft suitable for the hole. The accuracy of the shaft has a certain influence on the measurement result, which leads to the poor applicability of workpiece measurement. In addition, during operation, sometimes It is very difficult to rotate the workpiece and it is difficult to measure the workpiece accurately
[0003] More importantly, when measuring the eccentricity of the workpiece, it is often difficult to accurately fix the workpiece, so the measurement is very troublesome, and it is difficult to achieve convenient, fast and accurate measurement
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see Figure 1-4 , the present invention provides a technical solution: a fixture for eccentricity measurement, which includes a support base 1, a fixed outer disk 2, a fixed inner disk 3, an outer circle self-centering assembly 5, an inner hole self-centering assembly 7, a dial 14, and a horizontal benchmark 8 and vertical elevator 9, it is characterized in that,
[0029] The support base 1 is fixedly provided with the fixed outer disk 2, and the centr...
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The invention discloses a fixture for eccentricity measurement. When measuring eccentricity, the workpiece is first clamped and centered on the outer circle self-centering assembly, and then the inner hole self-centering assembly is moved and placed in the eccentric hole. The self-centering component in the inner hole is used for centering, the laser transmitter is turned on, and the eccentricity can be obtained through the indication of the laser transmitter on the dial. The present invention can quickly and accurately clamp and fix the workpiece when measuring the eccentric workpiece, and can quickly read the eccentric distance after clamping and centering, which can greatly improve the convenience of measuring the eccentric distance of the workpiece. The invention has better centering effect when fixing workpieces, is convenient for centering operation, and has better clamping and positioning effects.
Description
technical field [0001] The invention relates to a fixture for eccentricity measurement, belonging to the technical field of eccentricity measurement of eccentric workpieces. Background technique [0002] At present, for workpieces with eccentric holes, it is generally troublesome to measure the eccentric distance. When measuring, it is generally necessary to use a special shaft that is the same size as the hole diameter to extend into the workpiece, and then rotate the workpiece. This method of measurement is cumbersome to operate, and it is necessary to design a shaft suitable for the hole. The accuracy of the shaft has a certain influence on the measurement result, which leads to the poor applicability of workpiece measurement. In addition, during operation, sometimes It is very difficult to rotate the workpiece, and it is difficult to measure the workpiece accurately. [0003] More importantly, when measuring the eccentricity of the workpiece, it is often difficult to ac...
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IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 张心明李俊烨王茹范景峰熊家新邓春霞周化文修航
Owner CHANGCHUN UNIV OF SCI & TECH