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Magnetic adsorption type positioning and rotating mechanism and using method thereof

A rotary mechanism, magnetic adsorption technology, applied in the direction of using mechanical devices, mechanical measuring devices, measuring devices, etc., can solve the problems of many axial and radial testing items, high technical level requirements, and inability to adapt to batch testing, etc. Avoid the effects of low rotation accuracy, secondary deformation, and large load

Pending Publication Date: 2020-04-14
中核新科(天津)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The annular thin disk with a tapered surface is a thin-walled metal part. There are many axial and radial inspection items, including important geometric dimensions and shape tolerances such as thickness, wall thickness uniformity, and coaxiality. The three-coordinate measuring machine inspection method It is a typical precision testing method. Although it can achieve high measurement accuracy, the detection efficiency is low, and it requires high technical level of personnel, so it cannot meet the requirements of batch testing.

Method used

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  • Magnetic adsorption type positioning and rotating mechanism and using method thereof
  • Magnetic adsorption type positioning and rotating mechanism and using method thereof

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Effect test

Embodiment 1

[0035] A magnetic adsorption positioning and rotating mechanism, including a positioning mechanism and a rotating mechanism, the positioning mechanism and the rotating mechanism form a whole that can rotate synchronously, and rotate under the drive of the driving motor, thereby realizing the rotation detection of the annular thin disk with a tapered surface .

[0036] The positioning mechanism includes a positioning platform 10, and the top of the positioning platform 10 is provided with a powerful magnetic column 11 for absorbing the annular thin disk with a tapered surface;

[0037] The slewing mechanism is a precision slewing shaft system with a slewing accuracy of the order of 0.001 mm, including an upper thrust cover 1, a main shaft 7, a shaft sleeve 9, a lower thrust cover 3 and a nut 5; the upper thrust cover 1 is a rotating part, which can realize the axial positioning of the entire shaft system, and is used as a connecting part connecting the positioning mechanism and...

Embodiment 2

[0040] A magnetic adsorption type positioning and turning mechanism, including a positioning mechanism and a turning mechanism, the positioning mechanism and the turning mechanism are fixedly connected to form a whole that can rotate synchronously, and it turns under the drive of the driving motor, so as to realize the alignment of the annular thin disk with a tapered surface. rotation detection.

[0041] The positioning mechanism includes a positioning platform 10. The positioning platform 10 is vertically arranged and has a stepped shaft structure. From top to bottom, there are first shaft section 10-1, second shaft section 10-2, and third shaft section. Section 10-3 and the fourth shaft section 10-4, the axial height of the first shaft section 10-1 is 5mm, the shaft diameter is configured according to the central hole of the annular thin disk with a tapered surface, and the two have a clearance fit, The gap is 0.01 mm; the shaft diameter of the second shaft section 10-2 is ...

Embodiment 3

[0045] A magnetic adsorption type positioning and turning mechanism, including a positioning mechanism and a turning mechanism, the positioning mechanism and the turning mechanism are fixedly connected to form a whole that can rotate synchronously, and it turns under the drive of the driving motor, so as to realize the alignment of the annular thin disk with a tapered surface. rotation detection.

[0046] The positioning mechanism includes a positioning platform 10. The positioning platform 10 is vertically arranged and has a stepped shaft structure. From top to bottom, there are first shaft section 10-1, second shaft section 10-2, and third shaft section. Section 10-3 and the fourth shaft section 10-4, the axial height of the first shaft section 10-1 is 5mm, the shaft diameter is configured according to the central hole of the annular thin disk with a tapered surface, and the two have a clearance fit, The gap is 0.01 mm; the shaft diameter of the second shaft section 10-2 is ...

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Abstract

The invention discloses a magnetic adsorption type positioning and rotating mechanism and a using method thereof. The magnetic adsorption type positioning and rotating mechanism comprises a positioning mechanism and a rotating mechanism which are fixedly connected to form a synchronous rotating whole body. Rapid clamping and positioning of an annular thin disc with a conical surface can be achieved, a magnetic adsorption mode is adopted for axial positioning, and the adsorption force is adjusted by changing the axial position of a strong magnetic column in a guide hole, so that secondary deformation in the detection positioning process is avoided, and meanwhile, accurate detection of form and location tolerance parameters can be guaranteed; the rotating precision of the rotating mechanismreaches 0.003 mm, the precision error is within + / -0.001 mm at different rotating speeds, and the system error of a transmission system is reduced to the maximum extent; the integrated design of a rotary shaft system and a workpiece positioning table is realized, and the matching error between the transmission mechanism and the positioning mechanism is avoided; and the magnetic adsorption type positioning and rotating mechanism also has the remarkable advantages of small friction torque, large load, high reliability and the like, can effectively avoid system errors caused by low rotation precision of the rotary shaft system, and meets the point sampling requirement of rapid detection of the annular thin disc with the conical surface.

Description

technical field [0001] The invention relates to the technical field of precision detection of mechanical products, in particular to a magnetic adsorption positioning and turning mechanism and a method for using the same. Background technique [0002] The annular thin disk with a tapered surface is a thin-walled metal part. There are many axial and radial inspection items, including important geometric dimensions and shape tolerances such as thickness, wall thickness uniformity, and coaxiality. The three-coordinate measuring machine inspection method It is a typical precision testing method. Although it can achieve high measurement accuracy, the detection efficiency is low, and the technical level of personnel is high, so it cannot meet the requirements of batch testing. Therefore, it is necessary to develop an online detection method that can meet the requirements of batch manufacturing, and develop a special detection device that can achieve fast and accurate measurement. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/04G01B21/00
CPCG01B5/0002G01B21/00G01B21/047
Inventor 王斌齐铁城黄运忠李超张静辰殷红秋杨建华
Owner 中核新科(天津)科技有限公司
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