Reflector set clamp for precision detection of numerical control machine tool

A mirror group and precision detection technology, which is applied in the field of mechanical manufacturing design and detection instruments, can solve the problems of low adjustment efficiency and precision, unfavorable industrial automation, etc., and achieve the effect of reducing clamping errors and facilitating detection and identification

Active Publication Date: 2020-06-09
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Under normal circumstances, according to the different detection target axes, it is necessary to repeatedly adjust the reflector installed on the spindle head so that the incident laser light enters the effective range of the reflector to meet the detection requirements, such as detecting the linear trajectory of X, Y axis linkage, or Detecting straight lines in the vertical plane, such as the linear trajectory of XZ, YZ, and XYZ axis linkage, requires manual and repeated adjustment of the position of the clamping mirror on the main shaft, which has low adjustment efficiency and accuracy, which is not conducive to industrial automation

Method used

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  • Reflector set clamp for precision detection of numerical control machine tool
  • Reflector set clamp for precision detection of numerical control machine tool
  • Reflector set clamp for precision detection of numerical control machine tool

Examples

Experimental program
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Effect test

Embodiment 1

[0027] The present invention is realized through the following technical solutions, as Figure 1-Figure 6 As shown, a mirror group fixture 7 for precision testing of a CNC machine tool includes a machine bed 1, a moving unit 2 installed on the machine bed 1, a swing unit installed on the side of the moving unit 2 close to the machine bed 1, And the reflector 8 group unit installed on the side of the swing unit close to the machine bed 1; the reflector 8 group unit includes the reflector group fixture 7 connected with the swing unit, the reflector 8 installed on the reflector group fixture 7 .

[0028] It should be noted that, through the above improvements, the mobile unit 2 can move relative to the machine bed 1 in the X-axis direction, the Y-axis direction and the Z-axis direction; since the mobile unit 2 is connected to the 8 groups of mirrors through the swing unit, Therefore, by controlling the movement of the mobile unit 2, the movement of the 8 groups of mirrors is rea...

Embodiment 2

[0030] This embodiment is further optimized on the basis of the above embodiments, such as figure 2 As shown, further, in order to better realize the present invention, the mirror group fixture 7 includes a clamping rod 11 connected to the swing unit, a mounting plate 12 installed on the side of the clamping rod 11 away from the swing unit, and mounted on The mounting plate 12 is away from the side of the clamping rod 11 and is used for mounting the reflector 8 group mounting posts 13 of the reflector 8 .

[0031] Further, in order to better realize the present invention, Figure 4 As shown, the side of the 8 sets of mounting columns 13 of the reflecting mirrors is provided with a first mounting groove B1 on the side away from the mounting plate 12, and the surrounding sides of the 8 sets of mounting columns 13 of the reflecting mirrors are provided with a second mounting groove B2 and a third mounting groove B2. Groove B3; the bottom of the second mounting groove B2 is arra...

Embodiment 3

[0042] This embodiment is further optimized on the basis of the above embodiments, such as figure 1 As shown, further, in order to better realize the present invention, the number of mounting posts 13 of the reflector 8 group is four and are uniformly installed on the side of the mounting plate 12 away from the clamping rod 11 .

[0043] Further, in order to better realize the present invention, the moving unit 2 includes two X-axis moving support frames that are perpendicular to the side of the machine bed 1 close to the mirror 8 group unit and are slidably connected with the machine bed 1. The connecting rod 4 between the two X-axis movable support frames, and the Z-axis support frame slidingly installed on the connecting rod 4 and moving along the Y-axis direction; the two X-axis movable support frames are arranged in parallel.

[0044] Further, in order to better realize the present invention, the Z-axis support frame includes a slider 3 that is slidably installed on the c...

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Abstract

The invention discloses a reflector set clamp for precision detection of a numerical control machine tool. The reflector set clamp comprises a machine tool bed, a moving unit mounted on the machine tool bed, a swing unit mounted on the side, close to the machine tool bed, of the moving unit and a reflector set unit mounted on the side, close to the machine tool bed, of the swing unit. The reflector set unit comprises a reflector set clamp body connected with the swing unit and reflectors mounted on the reflector set clamp body. By means of the reflector set clamp, the operation that the reflector set is frequently replaced due to axis changes of a detected target in the geometric accuracy detection process of the translation axis of the machine tool can be effectively reduced, meanwhile, clamping errors generated by adjusting of the space posture of the reflector set are reduced, and convenience is provided for detection and recognition of the geometric accuracy of the translation axisof the multi-axis numerical control machine tool.

Description

technical field [0001] The invention relates to the field of mechanical manufacturing design and the technical field of testing instruments, in particular to a mirror group fixture for precision testing of numerically controlled machine tools. Background technique [0002] The main purpose of machine tool error detection and compensation is to improve the geometric accuracy of the machine tool. Reasonable use of error detection tools and error identification methods can effectively improve the geometric accuracy of the translation axis of multi-axis CNC machine tools. At present, laser interferometers are widely used as a tool for error detection. The entire detection system consists of a laser emitter, a reflector, an interference mirror, a mounting mirror handle, a magnetic base and a laser emitter tripod. Existing misidentification methods based on laser reflectometers at home and abroad, such as 9-line method, 12-line method, 14-line method, and 15-line method, except fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/24G01B9/02G01B11/00G01B11/02
CPCB23Q17/2452G01B9/02029G01B11/00G01B11/02
Inventor 陈云李杰胡金龙冯超钰郭瑞华
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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