CN116481454A - Non-contact through hole cylindricity measuring device and method - Google Patents
Non-contact through hole cylindricity measuring device and method Download PDFInfo
- Publication number
- CN116481454A CN116481454A CN202310364817.6A CN202310364817A CN116481454A CN 116481454 A CN116481454 A CN 116481454A CN 202310364817 A CN202310364817 A CN 202310364817A CN 116481454 A CN116481454 A CN 116481454A
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- China
- Prior art keywords
- reflector
- measuring
- hole
- data
- cylindricity
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000007405 data analysis Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 14
- 238000010330 laser marking Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2408—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring roundness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention relates to a non-contact through hole cylindricity measuring device and method, and belongs to the technical field of aperture measuring equipment and methods. The technical scheme of the invention is as follows: the laser sensor (9) is arranged in the lower part of the part mounting base (1), and the laser position of the laser sensor (9) is matched with a measuring hole in the lower part of the part mounting base (1); the reflector (7) is arranged above the part installation base (1), and the position of the reflector (7) is matched with the measuring hole below the part installation base (1) and the inner wall of the measuring hole of the part (8) to be measured. The beneficial effects of the invention are as follows: the laser sensor is arranged on the part mounting base, the mirror reflection is utilized, the cylindricity of the measured hole is measured through the up-and-down rotary movement of the mirror surface of the reflector, the part cannot be damaged in a non-contact mode, the measuring efficiency and the measuring precision are improved, the circle center alignment step is realized in the part mounting, and the influence caused by vibration in the measuring process is reduced.
Description
Technical Field
The invention relates to a non-contact through hole cylindricity measuring device and method, and belongs to the technical field of aperture measuring equipment and methods.
Background
At present, the cylindricity measuring method for the aperture is mainly realized through contact type measurement, and the contact type measurement aperture can generate certain abrasion to the hole with very high precision requirement; there are also methods and techniques for non-contact aperture measurement, which mainly use optical or vision system acquisition, but the above methods have shallow depth for cylindricity measurement. Currently, most aperture measurement is realized through manual measurement, which is time-consuming and labor-consuming. There is also a mode that can stretch into the cylindricity of measuring aperture, but this mode seeks aperture centre of a circle position and is the difficulty to the measurement error probably is led to because of vibrations in the measurement process.
Disclosure of Invention
The invention aims to provide a non-contact through hole cylindricity measuring device and a non-contact through hole cylindricity measuring method, wherein a laser sensor is arranged on a part mounting base, the cylindricity of a measured hole is measured by up-and-down rotation and movement of a mirror surface of a reflector by utilizing mirror reflection, a non-contact mode does not damage the part, the measuring efficiency and the measuring precision are improved, a circle center aligning step is realized in the part mounting, the influence caused by vibration in the measuring process is reduced, and the problems in the background art are effectively solved.
The technical scheme of the invention is as follows: the non-contact through hole cylindricity measuring device comprises a part mounting base, a screw track, a sliding table, a screw servo motor, a rotating motor, a reflector bracket, a reflector, a laser sensor, a data acquisition system and a data analysis system, wherein the laser sensor is mounted inside the lower part of the part mounting base, and the laser marking position of the laser sensor is matched with a measuring hole of the part mounting base; the reflector is arranged above the part installation base, and the position of the reflector is matched with the measuring hole of the part installation base and the inner wall of the measured hole of the part to be measured; the reflector is arranged on the screw track and the reflector bracket, the screw track is connected with the screw servo motor, and the reflector bracket is connected with the rotating motor; the screw rod servo motor and the rotating motor are arranged above the sliding table, and the screw rod track and the reflector bracket are arranged between the sliding table and the part installation base; the laser sensor is connected with the data analysis system through the data acquisition system.
The screw track contains screw rod and smooth, and smooth has two, sets up in the both sides of screw rod.
The part installation base comprises a part fixing clamp, a sensor fixing clamp and a base platform, the screw track and the reflector bracket are fixed on the base platform through the part fixing clamp, and the laser sensor is fixedly installed inside the lower portion of the base platform through the sensor fixing clamp.
The data analysis system comprises a computer and a display screen, wherein the input end of the computer is connected with the data acquisition system, and the output end of the computer is connected with the display screen.
A non-contact through hole cylindricity measuring method comprises the following steps:
(1) Fixing the laser sensor to an internally fixed position below the component mounting base;
(2) The screw track and the reflector bracket are arranged between the slipway and the part installation base, and the reflector is arranged on the screw track and the reflector bracket;
(3) The starting system is used for enabling the reflector to move to the uppermost part of the reflector bracket, starting the laser sensor, enabling the laser sensor to upwards punch laser through a measuring hole below the part installation base, enabling the laser to be punched to the inner wall of a measured hole of the part to be measured through the reflector, starting to collect data, and enabling the reflector to rotate downwards under the drive of the screw servo motor and the rotating motor until the reflector moves to the bottommost part of the reflector bracket;
(4) After the reflector is rotated by a certain angle at the bottommost part of the reflector bracket, the reflector is rotated upwards to move to the uppermost part of the reflector bracket to finish the measuring process; the spiral lines of the upper and lower measurement are ensured to be misaligned, and the measurement accuracy is improved;
(5) Measuring hole wall data by using a laser sensor for measuring from bottom to top and utilizing mirror reflection of a reflector, and measuring cylindricity data of the hole by rotating the reflector to descend, wherein the data acquisition system transmits the data acquired in the whole process to the data analysis system for processing;
(6) The data analysis system calculates the measured aperture cylindricity data of the measured hole together with the laser sensor data according to the screw servo motor data which is in charge of up-down movement;
(7) And after the data processing is completed, displaying the judging result and cylindricity data.
In the step (4), after the reflector is rotated by 30 degrees at the bottom, the reflector is rotated upwards again to move.
The screw track contains screw rod and smooth, and smooth has two, sets up in the both sides of screw rod.
The part installation base comprises a part fixing clamp, a sensor fixing clamp and a base platform, the screw track and the reflector bracket are fixed on the base platform through the part fixing clamp, and the laser sensor is fixedly installed inside the lower portion of the base platform through the sensor fixing clamp.
The beneficial effects of the invention are as follows: the laser sensor is arranged on the part mounting base, the mirror reflection is utilized, the cylindricity of the measured hole is measured through the up-and-down rotary movement of the mirror surface of the reflector, the part cannot be damaged in a non-contact mode, the measuring efficiency and the measuring precision are improved, the circle center alignment step is realized in the part mounting, and the influence caused by vibration in the measuring process is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
in the figure: the device comprises a part mounting base 1, a screw track 2, a sliding table 3, a screw servo motor 4, a rotating motor 5, a reflector bracket 6, a reflector 7, a part to be tested 8 and a laser sensor 9.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are a small part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
The non-contact through hole cylindricity measuring device comprises a part mounting base 1, a screw track 2, a sliding table 3, a screw servo motor 4, a rotating motor 5, a reflector bracket 6, a reflector 7, a laser sensor 9, a data acquisition system and a data analysis system, wherein the laser sensor 9 is mounted in the lower part of the part mounting base 1, and the laser position of the laser sensor 9 is matched with a measuring hole of the part mounting base 1; the reflector 7 is arranged above the part mounting base 1, and the position of the reflector 7 is matched with the measuring hole of the part mounting base 1 and the inner wall of the measured hole of the part 8 to be measured; the reflector 7 is arranged on the screw track 2 and the reflector bracket 6, the screw track 2 is connected with the screw servo motor 4, and the reflector bracket 6 is connected with the rotating motor 5; the screw servo motor 4 and the rotating motor 5 are arranged above the sliding table 3, and the screw track 2 and the reflector bracket 6 are arranged between the sliding table 3 and the part installation base 1; the laser sensor 9 is connected to the data analysis system via a data acquisition system.
The screw track 2 comprises a screw and two bars, and the two bars are arranged on two sides of the screw.
The part mounting base 1 comprises a part fixing clamp, a sensor fixing clamp and a base platform, the screw track 2 and the reflector bracket 6 are fixed on the base platform through the part fixing clamp, and the laser sensor 9 is fixedly mounted inside the lower part of the base platform through the sensor fixing clamp.
The data analysis system comprises a computer and a display screen, wherein the input end of the computer is connected with the data acquisition system, and the output end of the computer is connected with the display screen.
A non-contact through hole cylindricity measuring method comprises the following steps:
(1) Fixing the laser sensor to an internally fixed position below the component mounting base;
(2) The screw track and the reflector bracket are arranged between the slipway and the part installation base, and the reflector is arranged on the screw track and the reflector bracket;
(3) The starting system is used for enabling the reflector to move to the uppermost part of the reflector bracket, starting the laser sensor, enabling the laser sensor to punch laser upwards through a measuring hole of the part installation base, punching the laser spot to the inner wall of a measured hole of the part to be measured through the reflector, starting to collect data, and enabling the reflector to rotate downwards under the drive of the screw servo motor and the rotating motor until the reflector moves to the bottommost part of the reflector bracket;
(4) After the reflector is rotated by a certain angle at the bottommost part of the reflector bracket, the reflector is rotated upwards to move to the uppermost part of the reflector bracket to finish the measuring process; the spiral lines of the upper and lower measurement are ensured to be misaligned, and the measurement accuracy is improved;
(5) Measuring hole wall data by using a laser sensor for measuring from bottom to top and utilizing mirror reflection of a reflector, and measuring cylindricity data of the hole by rotating the reflector to descend, wherein the data acquisition system transmits the data acquired in the whole process to the data analysis system for processing;
(6) The data analysis system calculates the measured aperture cylindricity data of the measured hole together with the laser sensor data according to the screw servo motor data which is in charge of up-down movement;
(7) And after the data processing is completed, displaying the judging result and cylindricity data.
In the step (4), after the reflector is rotated by 30 degrees at the bottom, the reflector is rotated upwards again to move.
The screw track contains screw rod and smooth, and smooth has two, sets up in the both sides of screw rod.
The part installation base comprises a part fixing clamp, a sensor fixing clamp and a base platform, the screw track and the reflector bracket are fixed on the base platform through the part fixing clamp, and the laser sensor is fixedly installed inside the lower portion of the base platform through the sensor fixing clamp.
According to the invention, through the laser sensor for measuring from bottom to top, the hole wall data is measured by utilizing specular reflection, and the cylindricity data of the measured hole is measured up and down through rotation of the reflector; the laser sensor is arranged at the bottom fixed position, and the screw rod servo motor, the screw rod track driven by the rotating motor and the reflector bracket are used for controlling the reflector lens to rotate up and down, so that the circle center positioning is avoided, and the influence caused by vibration in the moving process is reduced.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The utility model provides a non-contact through-hole cylindricity measuring device which characterized in that: the device comprises a part mounting base (1), a screw track (2), a sliding table (3), a screw servo motor (4), a rotating motor (5), a reflector bracket (6), a reflector (7), a laser sensor (9), a data acquisition system and a data analysis system, wherein the laser sensor (9) is mounted inside the lower part of the part mounting base (1), and the laser marking position of the laser sensor (9) is matched with a measuring hole of the part mounting base (1); the reflector (7) is arranged above the part mounting base (1), and the position of the reflector (7) is matched with the measuring hole of the part mounting base (1) and the inner wall of the measured hole of the part (8) to be measured; the reflector (7) is arranged on the screw track (2) and the reflector bracket (6), the screw track (2) is connected with the screw servo motor (4), and the reflector bracket (6) is connected with the rotating motor (5); the screw servo motor (4) and the rotating motor (5) are arranged above the sliding table (3), and the screw track (2) and the reflector bracket (6) are arranged between the sliding table (3) and the part installation base (1); the laser sensor (9) is connected with the data analysis system through the data acquisition system.
2. The non-contact through-hole cylindricity measuring apparatus of claim 1, wherein: the screw track (2) comprises screws and two smooth bars, and the two smooth bars are arranged on two sides of the screws.
3. The non-contact through-hole cylindricity measuring apparatus of claim 1, wherein: the part installation base (1) comprises a part fixing clamp, a sensor fixing clamp and a base platform, the screw track (2) and the reflector bracket (6) are fixed on the base platform through the part fixing clamp, and the laser sensor (9) is fixedly installed inside the lower part of the base platform through the sensor fixing clamp.
4. The non-contact through-hole cylindricity measuring apparatus of claim 1, wherein: the data analysis system comprises a computer and a display screen, wherein the input end of the computer is connected with the data acquisition system, and the output end of the computer is connected with the display screen.
5. The non-contact through hole cylindricity measuring method is characterized by comprising the following steps of:
(1) Fixing the laser sensor to an internally fixed position below the component mounting base;
(2) The screw track and the reflector bracket are arranged between the slipway and the part installation base, and the reflector is arranged on the screw track and the reflector bracket;
(3) The starting system is used for enabling the reflector to move to the uppermost part of the reflector bracket, starting the laser sensor, enabling the laser sensor to punch laser upwards through a measuring hole of the part installation base, punching the laser spot to the inner wall of a measured hole of the part to be measured through the reflector, starting to collect data, and enabling the reflector to rotate downwards under the drive of the screw servo motor and the rotating motor until the reflector moves to the bottommost part of the reflector bracket;
(4) After the reflector is rotated by a certain angle at the bottommost part of the reflector bracket, the reflector is rotated upwards to move to the uppermost part of the reflector bracket to finish the measuring process; the spiral lines of the upper and lower measurement are ensured to be misaligned, and the measurement accuracy is improved;
(5) Measuring hole wall data by using a laser sensor for measuring from bottom to top and utilizing mirror reflection of a reflector, measuring cylindricity data of the hole up and down by rotation of the reflector, and sending the data acquired in the whole process to a data analysis system for processing by a data acquisition system;
(6) The data analysis system calculates the measured aperture cylindricity data of the measured hole together with the laser sensor data according to the screw servo motor data which is in charge of up-down movement;
(7) And after the data processing is completed, displaying the judging result and cylindricity data.
6. The method for measuring cylindricity of a non-contact through hole according to claim 5, wherein: in the step (4), after the reflector is rotated by 30 degrees at the bottom, the reflector is rotated upwards again to move.
7. The method for measuring cylindricity of a non-contact through hole according to claim 5, wherein: the screw track contains screw rod and smooth, and smooth has two, sets up in the both sides of screw rod.
8. The method for measuring cylindricity of a non-contact through hole according to claim 5, wherein: the part installation base comprises a part fixing clamp, a sensor fixing clamp and a base platform, the screw track and the reflector bracket are fixed on the base platform through the part fixing clamp, and the laser sensor is fixedly installed inside the lower portion of the base platform through the sensor fixing clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310364817.6A CN116481454A (en) | 2023-04-07 | 2023-04-07 | Non-contact through hole cylindricity measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310364817.6A CN116481454A (en) | 2023-04-07 | 2023-04-07 | Non-contact through hole cylindricity measuring device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116481454A true CN116481454A (en) | 2023-07-25 |
Family
ID=87224333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310364817.6A Pending CN116481454A (en) | 2023-04-07 | 2023-04-07 | Non-contact through hole cylindricity measuring device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116481454A (en) |
-
2023
- 2023-04-07 CN CN202310364817.6A patent/CN116481454A/en active Pending
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