CN212482405U - Workpiece diameter and radial runout tolerance measuring instrument - Google Patents
Workpiece diameter and radial runout tolerance measuring instrument Download PDFInfo
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- CN212482405U CN212482405U CN202021958897.6U CN202021958897U CN212482405U CN 212482405 U CN212482405 U CN 212482405U CN 202021958897 U CN202021958897 U CN 202021958897U CN 212482405 U CN212482405 U CN 212482405U
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Abstract
The utility model provides a work piece diameter and radial runout tolerance measuring apparatu belongs to the work piece and detects the measurement field, include: the device comprises a base, a workpiece rotating shaft, an upright post, a vertical movement device and a light curtain type high-precision CCD micrometer. Work piece rotation axis and vertical movement device are driven by servo motor, the during operation, are in with the work piece clamping the utility model discloses on the three-jaw chuck of work piece rotation axis, the work piece rotation axis is rotatory according to setting for the rotational speed, vertical movement device drives light curtain formula high accuracy CCD micrometer and is vertical motion, the scanning to the work piece is accomplished to light curtain formula high accuracy CCD micrometer to the diameter of each cross-section of output work piece and the measuring result of runout, the middle process is automatic to be accomplished, do not have artifical the participation, can ignore personnel's factor influence basically, measurement output result repeatability is high, measurement work efficiency is high.
Description
Technical Field
The utility model relates to a work piece detects measurement field, in particular to work piece diameter and radial runout tolerance measuring apparatu.
Background
The diameter of the rotator workpiece is measured by a vernier caliper or a spiral micrometer conventionally, and the radial run-out tolerance is measured by a dial indicator or a micrometer. Workpiece measurement errors can be mainly classified into three categories: systematic error, random error, and gross error. The reasons for the error can be summarized as the following aspects: measurement device errors, environmental errors, measurement method errors, and personnel errors. In the case of consistent measurement devices, measurement environments and measurement methods, due to personal factors (technical level, character, sleep, emotion and the like), the result of inconsistent measured diameter size or radial run-out tolerance of the same workpiece is generated, which is a personal error. Meanwhile, the working efficiency is not constant due to the influence of personal factors. That is, due to the influence of personal factors, the measurement result is inconsistent and the work efficiency is not constant. For step shaft type or curved surface body type rotating body workpieces, the diameter sizes and radial runout tolerances of a plurality of sections need to be measured, the dispersion of measurement results caused by a conventional measurement mode is large, and the difference of measurement completion time is also large.
Disclosure of Invention
An object of the utility model is to provide a work piece diameter and radial runout tolerance measuring apparatu, its main design thought lies in: the current mature light curtain type high-precision CCD micrometer is used for replacing a traditional vernier caliper and a dial indicator, and is matched with automatic devices for workpiece rotation, vertical movement and the like to scan the workpiece, so that the measurement of diameters and radial run-out tolerance of different sections of the workpiece is completed, and a result is output.
In order to achieve the above object, the utility model adopts the following technical scheme: a workpiece diameter and radial run-out measuring instrument is provided, which comprises:
the upper plane of the base is used for mounting a workpiece rotating shaft and an upright post;
the workpiece rotating shaft is arranged on the upper plane of the base and used for clamping a workpiece and enabling the workpiece to rotate at a set rotating speed;
the upright post is arranged on the base and used for installing the vertical movement device;
the vertical motion device is arranged on the upright post and drives the light curtain type high-precision CCD micrometer to do vertical motion;
the light curtain type high-precision CCD micrometer is fixedly connected with a slide block of a vertical movement device through a micrometer mounting plate and a slide block transition mounting plate, the vertical movement device drives the light curtain type high-precision CCD micrometer to do vertical movement, the light curtain type high-precision CCD micrometer scans a workpiece, and the diameters and radial run-out tolerance of different sections of the workpiece are measured;
furthermore, the base can be cast or welded, but the base is subjected to internal stress elimination treatment;
furthermore, the flatness and the roughness of the upper plane of the base can meet the national standard requirements of a first-level platform;
further, the upper plane of the base is subjected to rust prevention treatment;
further, a workpiece rotating shaft mounting hole is formed in the upper plane of the base;
furthermore, the upright post can be cast or welded, but the inner stress is eliminated;
further, the base mounting surface of the upright post and the vertical movement device mounting surface are vertical;
further, the base mounting surface of the upright post and the vertical movement device mounting surface are subjected to rust prevention treatment;
further, the workpiece rotating shaft is driven by a servo motor, and comprises:
the device comprises a servo motor, a flange output precise servo planetary reducer, a three-jaw chuck, a reducer mounting plate and a chuck transition mounting plate;
further, the vertical movement device is driven by a servo motor with a brake, and comprises:
the linear guide rail integrated machine frame, the ball screw, the slide block, the servo motor with a brake, the linear grating ruler, the slide block transition mounting plate, the light curtain type high-precision CCD micrometer mounting plate and the linear grating ruler reading head connecting plate;
further, the linear grating ruler is an absolute value linear grating ruler, and the motion position of the sliding block is detected and fed back.
The utility model provides a rotator class work piece diameter and runout tolerance measuring apparatu's beneficial effect is: the during operation is in with the work piece clamping the utility model discloses on the three-jaw chuck of work piece rotation axis, the work piece rotation axis is rotatory according to setting for the rotational speed, vertical motion device drives light curtain formula high accuracy CCD micrometer and is vertical motion, the scanning to the work piece is accomplished to light curtain formula high accuracy CCD micrometer to the diameter of each cross-section of output work piece and the measuring result of runout, the middle process is automatic to be accomplished, do not have artifical the participation, the measurement process can ignore personnel's factor influence basically, measurement output result repeatability is high, measurement work efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a diameter and radial run-out measuring instrument for a rotating body workpiece according to an embodiment of the present invention;
fig. 2 is a left side view of a diameter and radial run-out measuring instrument for a rotating body workpiece according to an embodiment of the present invention;
fig. 3 is a top view of a diameter and radial run-out measuring instrument for a rotating body workpiece according to an embodiment of the present invention;
in the figure: 1. a base; 2. a workpiece rotating shaft; 201. a servo motor; 202. a flange outputs a precise servo planetary reducer; 203. a speed reducer mounting plate, 204, a chuck mounting plate, 205 and a three-jaw chuck; 3. a column; 4. a vertical movement device; 401. a linear guide rail integrated frame; 402. a ball screw; 403. a slider; 404. a servo motor with brake; 405. a slider transition mounting plate; 406. a linear grating ruler; 407. a reading head connecting plate; 408. a micrometer mounting plate; 5. light curtain type high precision CCD micrometer.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is right now that the utility model provides a rotator class work piece diameter and radial runout tolerance measuring apparatu explain. Referring to fig. 1, 2 and 3, the tolerance measuring apparatus for diameter and radial runout of a rotating body workpiece includes a base 1, a workpiece rotating shaft 2, a vertical column 3, a vertical movement device 4, and a light curtain type high precision CCD micrometer 5.
The upper platform surface of the base 1 is used for installing a workpiece rotating shaft 2 and a vertical column 3, a vertical movement device 4 is installed on the vertical column 3, and a light curtain type high-precision CCD micrometer 5 is fixed on a slide block 403 of the vertical movement device 4 through a slide block transition installation plate 405 and a micrometer installation plate 408.
The base 1 can be cast or welded, but the internal stress is eliminated; the flatness and the roughness of the upper platform surface of the base 1 meet the national standard requirements of a primary platform, and the upper platform surface of the base 1 is subjected to rust prevention treatment, so that the utility model adopts chromium plating and polishing treatment; the upper platform surface of the base 1 is provided with a workpiece rotating shaft 2 mounting hole.
The workpiece rotating shaft 2 is fixed on the upper platform surface of the base 1 through the speed reducer mounting plate 202 by using bolts and cylindrical pins, and the workpiece rotating shaft 2 is ensured to be vertical to the upper plane of the base 1 after mounting.
The workpiece rotating shaft 2 is composed of a servo motor 201, a flange output servo precision planetary reducer 202, a reducer mounting plate 203, a chuck mounting plate 204 and a three-jaw chuck 205, and the workpiece rotating shaft 2 is used for clamping a workpiece and enabling the workpiece to rotate according to a set rotating speed.
The upright 3 is fixed on the base 1 by bolts and cylindrical pins, and the upright 3 is used for installing a vertical movement device 4.
The upright post 3 can be cast or welded, but the internal stress is eliminated; the base mounting surface of the upright post 3 is vertical to the mounting surface of the vertical movement device 4; the base mounting surface of the upright post 3 and the mounting surface of the vertical movement device are required to be subjected to rust prevention treatment, and the utility model discloses a chromium plating polishing treatment;
the vertical movement device 4 is fixed on the upright post 3 by bolts and cylindrical pins.
The utility model discloses a vertical movement device 4 comprises linear guide integration frame 401, ball 402, slider 403, area braking servo motor 404, slider transition mounting panel 405, linear grating chi 406, reading head connecting plate 407, micrometer mounting panel 408.
After the vertical movement device 4 is installed, the movement track of the sliding block 403 is ensured to be vertical to the upper plane of the base 1, namely, to be kept parallel to the axis of the rotating shaft of the workpiece.
The linear grating ruler 406 body is installed on the linear guide rail integrated rack 401, and the reading head of the linear grating ruler 406 is connected with the slider transition installation plate 405 through the reading head connection plate 407.
The utility model discloses a during the action of vertical motion device 4, it is rotatory to take braking servo motor 404, and drive ball 402 is rotatory, drives slider 403 along the linear guide up-and-down motion of linear guide integration frame 401, and slider 403 moves the reading head that drives linear grating chi 406 and removes thereupon, detects and feeds back the real-time position of slider 403 motion.
The utility model discloses a vertical movement device 4 adopts area braking servo motor 404, can guarantee that slider 403 stops at vertical stroke within range optional position.
The light curtain type high-precision CCD micrometer 5 is arranged on a slide block 403 of the single-shaft precision numerical control platform 4 through a micrometer mounting plate 408 and a slide block transition connecting plate 405, the light curtain type high-precision CCD micrometer 5 is composed of a green LED emitter and an HL-CCD receiver, the emitter emits green LED parallel light, a workpiece shields the light, a dark area is formed on the HL-CCD, the HL-CCD detects the edge between a bright area and a dark area, the diameter of the workpiece is obtained, when the workpiece rotates and generates radial runout, the HL-CCD detects the change of one side edge between the bright area and the dark area, and therefore the radial runout tolerance is obtained.
The utility model discloses a during operation, with the work piece clamping on the three-jaw chuck 205 of the work piece rotation axis 2 of measuring apparatu, work piece rotation axis 2 is rotatory according to setting for the rotational speed, and vertical motion device 4 drives light curtain formula high accuracy CCD micrometer 5 and is the vertical motion, and light curtain formula high accuracy CCD micrometer 5 accomplishes the scanning to the work piece to each cross-sectional diameter of output work piece and radial runout's measuring result.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a work piece diameter and radial run-out tolerance measuring apparatu which characterized in that: the workpiece diameter and radial run-out tolerance measuring instrument comprises
The upper plane of the base is used for mounting a workpiece rotating shaft and a detection sensor upright post;
the workpiece rotating shaft is arranged on the upper plane of the base and used for clamping a workpiece and enabling the workpiece to rotate at a set rotating speed;
the upright post is arranged on the base, and the upright post is provided with a vertical movement device;
the vertical motion device is arranged on the upright post and drives the light curtain type high-precision CCD micrometer to do vertical motion;
the light curtain type high-precision CCD micrometer is fixedly connected with a slide block of a vertical movement device through a micrometer mounting plate and a slide block transition mounting plate, the vertical movement device drives the light curtain type high-precision CCD micrometer to move vertically, and the light curtain type high-precision CCD micrometer scans a workpiece to measure the diameters and radial run-out tolerance of different sections of the workpiece.
2. The workpiece diameter and radial run-out tolerance measuring instrument of claim 1, wherein: the workpiece rotating shaft is driven by a servo motor and comprises a servo motor, a flange output precise servo planetary speed reducer, a three-jaw chuck, a speed reducer mounting plate and a chuck transition mounting plate.
3. The workpiece diameter and radial run-out tolerance measuring instrument of claim 1, wherein: the vertical motion device is driven by a servo motor with a brake, and comprises a linear guide rail integrated rack, a ball screw, a sliding block, a servo motor with a brake, a linear grating ruler, a sliding block transition mounting plate, a light curtain type high-precision CCD micrometer mounting plate and a linear grating ruler reading head connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021958897.6U CN212482405U (en) | 2020-09-09 | 2020-09-09 | Workpiece diameter and radial runout tolerance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021958897.6U CN212482405U (en) | 2020-09-09 | 2020-09-09 | Workpiece diameter and radial runout tolerance measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212482405U true CN212482405U (en) | 2021-02-05 |
Family
ID=74448611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021958897.6U Active CN212482405U (en) | 2020-09-09 | 2020-09-09 | Workpiece diameter and radial runout tolerance measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212482405U (en) |
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2020
- 2020-09-09 CN CN202021958897.6U patent/CN212482405U/en active Active
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