CN116576794A - Hand-held high-precision roller size measuring device - Google Patents
Hand-held high-precision roller size measuring device Download PDFInfo
- Publication number
- CN116576794A CN116576794A CN202310448327.4A CN202310448327A CN116576794A CN 116576794 A CN116576794 A CN 116576794A CN 202310448327 A CN202310448327 A CN 202310448327A CN 116576794 A CN116576794 A CN 116576794A
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- gun
- detection
- roller
- measuring device
- detected
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- 238000001514 detection method Methods 0.000 claims abstract description 99
- 230000000007 visual effect Effects 0.000 claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 26
- 238000003384 imaging method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
-
- 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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a handheld high-precision roller size measuring device, belonging to the field of detection mechanism design; the device comprises a detection gun, a display device, a depth detection mechanism and a visual detection mechanism; wherein the detection gun is horizontally arranged; the inner cavity of the detection gun is a hollow cavity, and the gun head of the detection gun is of an opening structure; the gun head of the detection gun is in butt joint with the outer wall of the roller to be detected; the bottom of the detection gun is provided with a handle for holding; the display device is arranged on the side wall of the detection gun; the depth detection mechanism and the visual detection mechanism are both arranged in the inner cavity of the detection gun; the invention has high detection efficiency and good stability, and reduces the production cost.
Description
Technical Field
The invention belongs to the field of detection mechanism design, and relates to a handheld high-precision roller size measuring device.
Background
The roller is a main part and tool for continuously and plastically deforming metal on the rolling mill, and mainly consists of a roller body, a roller neck and a shaft head, wherein the roller body is a middle part of the roller which actually directly participates in rolling metal, and when the roller body has defects, the roller body has great influence on a rolled product. In the prior art, the detection of the size of the roller is manually measured by using a micrometer, so that the degree of automation is low, the efficiency is low, and errors are easy to occur.
Disclosure of Invention
The invention solves the technical problems that: the defect of the prior art is overcome, the handheld high-precision roller size measuring device is provided, the detection efficiency is high, the stability is good, and the production cost is reduced.
The solution of the invention is as follows:
the handheld high-precision roller size measuring device comprises a detecting gun, a display device, a depth detecting mechanism and a visual detecting mechanism; wherein the detection gun is horizontally arranged; the inner cavity of the detection gun is a hollow cavity, and the gun head of the detection gun is of an opening structure; the gun head of the detection gun is in butt joint with the outer wall of the roller to be detected; the bottom of the detection gun is provided with a handle for holding; the display device is arranged on the side wall of the detection gun; the depth detection mechanism and the visual detection mechanism are both arranged in the inner cavity of the detection gun.
In the handheld high-precision roller size measuring device, the roller to be measured is of a cylinder structure; the side wall of the roller to be measured is provided with a groove with a trapezoid cross section along the circumferential direction; when the gun head of the detection gun is in butt joint with the outer wall of the roller to be detected, the roller to be detected is horizontally placed in the axial direction, and the axis of the roller to be detected is vertical to the detection gun.
In the handheld high-precision roller size measuring device, the gun head of the detecting gun is provided with an arc-shaped opening adapted to the outer wall of the roller to be detected.
In the handheld high-precision roller size measuring device, the depth detection mechanism comprises 2 laser displacement sensors; the 2 laser displacement sensors are horizontally arranged in the inner cavity of the detection gun at intervals; the laser displacement sensors are arranged at the center line position of the inner cavity of the detection gun, and are aligned to the middle part of the groove bottom of the roller groove to be detected; the other 1 laser displacement sensor is arranged on one side in the inner cavity of the detection gun, and the laser displacement sensor is aligned to the outer wall of the roller to be detected without a groove.
In the handheld high-precision roller size measuring device, the depth of the roller groove to be measured is obtained by making a difference between the distance values measured by the 2 laser displacement sensors.
In the above-mentioned handheld high-precision roll size measurement device, the visual detection mechanism includes a light source, a first refractive mirror, a second refractive mirror and an area array camera; the light source is arranged at the bottom of the inner cavity of the detection gun and horizontally points to the head end of the detection gun; the first refractor is arranged at the bottom of the inner wall of the gun head of the detection gun; the position corresponds to the light source; the second refractor is arranged at the top of the inner wall of the gun head of the detection gun, and the position of the second refractor corresponds to that of the first refractor; the area array camera is arranged at the top of the inner cavity of the detection gun, and the position of the area array camera corresponds to the second refraction mirror.
In the handheld high-precision roller size measuring device, under the non-shielding state, the light source horizontally emits light with a rectangular cross section, and the light is refracted by the first refractor and the second refractor and then enters the area array camera to be imaged.
In the handheld high-precision roller size measuring device, after the gun head of the detection gun is attached to the outer wall of the roller to be measured, the light source emits rectangular light, and the rectangular light is refracted by the first refractor and then is transmitted upwards; the upward transmitted light is partially shielded by the roller to be measured, and the residual light is continuously transmitted to the second refraction mirror and is refracted by the second refraction mirror to enter the area array camera.
In the handheld high-precision roller size measuring device, the area array camera receives the light partially shielded, and a trapezoid groove imaging image of the roller to be measured is obtained; and measuring the angles of the side walls of the trapezoidal grooves according to the imaging diagram.
In the handheld high-precision roller size measuring device, the measured depth of the groove or the measured angle of the side wall of the groove is displayed through the display device.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the laser displacement sensor and the area array camera are used for detecting together, so that the detection of the roller size is realized, the detection efficiency and the detection precision are improved, and the detection difficulty is reduced;
(2) The depth detection mechanism comprises 2 laser displacement sensors, wherein 1 laser displacement sensor is aligned to the middle part of the groove bottom of the roller groove to be detected; the other 1 laser displacement sensor is aligned with the outer wall of the roller to be measured, which is not provided with a groove; the depth of the groove of the roller to be measured is obtained by making a difference between the distance values measured by the 2 laser displacement sensors;
(3) The light source emits rectangular light, part of the rectangular light is blocked by the roller to be detected, and the residual light is continuously transmitted to the area array camera to obtain a trapezoid groove imaging diagram of the roller to be detected; and measuring the angles of the side walls of the trapezoidal grooves according to the imaging diagram.
Drawings
FIG. 1 is a side view of a roll sizing apparatus of the present invention;
FIG. 2 is a top view of the roll sizing apparatus of the present invention;
FIG. 3 is a schematic view of the image of the roll to be measured according to the present invention.
Detailed Description
The invention is further illustrated below with reference to examples.
The invention provides a handheld high-precision roller size measuring device, which realizes the detection of the roller size by jointly detecting a laser displacement sensor and an area array camera, improves the detection efficiency and the detection precision, and reduces the detection difficulty.
The handheld high-precision roller size measuring device, as shown in fig. 1, specifically comprises a detecting gun 1, a display device 2, a depth detecting mechanism and a visual detecting mechanism; wherein the detection gun 1 is horizontally arranged; the inner cavity of the detection gun 1 is a hollow cavity, and the gun head of the detection gun 1 is of an opening structure; the gun head of the detection gun 1 is in butt joint with the outer wall of the roller to be detected; the bottom of the detection gun 1 is provided with a handle for holding; the display device 2 is arranged on the side wall of the detection gun 1; the depth detection mechanism and the visual detection mechanism are both arranged in the inner cavity of the detection gun 1.
As shown in fig. 2, the roller to be measured has a cylinder structure; the side wall of the roller to be measured is provided with a groove with a trapezoid cross section along the circumferential direction; when the gun head of the detection gun 1 is in butt joint with the outer wall of the roller to be detected, the roller to be detected is horizontally placed in the axial direction, and the axis of the roller to be detected is vertical to the detection gun 1.
The gun head of the detection gun 1 is provided with an arc-shaped opening which is adapted to the outer wall of the roller to be detected.
As shown in fig. 2, the depth detection mechanism includes 2 laser displacement sensors 6; the 2 laser displacement sensors 6 are horizontally arranged in the inner cavity of the detection gun 1 at intervals; the laser displacement sensors 6 are arranged at the center line position of the inner cavity of the detection gun 1, and the laser displacement sensors 6 are aligned to the middle part of the groove bottom of the groove of the roller to be detected; the other 1 laser displacement sensor 6 is arranged on one side in the inner cavity of the detection gun 1, and the laser displacement sensor 6 is aligned with the outer wall of the roller to be detected without a groove. And obtaining the depth of the groove of the roller to be measured by making a difference between the distance values measured by the 2 laser displacement sensors 6.
As shown in fig. 1, the visual detection mechanism includes a light source 7, a first refractive mirror 8, a second refractive mirror 9, and an area camera 10; wherein, the light source 7 is arranged at the bottom of the inner cavity of the detection gun 1, and the light source 7 horizontally points to the head end of the detection gun 1; the first refractor 8 is arranged at the bottom of the inner wall of the gun head of the detection gun 1; the position corresponds to the light source 7; the second refraction mirror 9 is arranged at the top of the inner wall of the gun head of the detection gun 1, and the position of the second refraction mirror 9 corresponds to that of the first refraction mirror 8; the area array camera 10 is arranged at the top of the inner cavity of the detection gun 1, and the position of the area array camera 10 corresponds to the position of the second refraction mirror 9.
In the non-shielding state, the light source 7 horizontally emits light with a rectangular cross section, and the light is refracted by the first refractor 8 and the second refractor 9 in sequence and then enters the area array camera 10 for imaging.
After the gun head of the detection gun 1 is attached to the outer wall of the roller to be detected, the light source 7 emits rectangular light, and the rectangular light is refracted by the first refractor 8 and then is transmitted upwards; the upward light is partially blocked by the roller to be measured, and the rest light is continuously transmitted to the second refraction mirror 9 and refracted by the second refraction mirror 9 to enter the area array camera 10.
As shown in fig. 3, the area camera 10 receives the light partially blocked, and obtains a trapezoid groove imaging image of the roll to be measured; and measuring the angles of the side walls of the trapezoidal grooves according to the imaging diagram. The measured depth of the groove or groove sidewall angle is displayed by the display device 2.
In the invention, an area array camera 10 is arranged at the rear of the inner cavity of a device detection gun 1, and 2 refractors are arranged at the front of the inner cavity of the device detection gun 1.
The working principle of the invention is as follows: the handheld high-precision roller size measuring equipment is opposite to the roller to be measured, so that the gun head of the detecting gun 1 is completely attached to the roller to be measured, the roller body depth of the roller is automatically aligned to a radial detecting position, the roller body size and shape of the roller are detected through the depth detecting mechanism, the detecting data of the depth detecting mechanism and the visual detecting mechanism are synthesized, the roller size data is finally detected, and the detecting result is displayed on the display device 2.
Although the present invention has been described in terms of the preferred embodiments, it is not intended to be limited to the embodiments, and any person skilled in the art can make any possible variations and modifications to the technical solution of the present invention by using the methods and technical matters disclosed above without departing from the spirit and scope of the present invention, so any simple modifications, equivalent variations and modifications to the embodiments described above according to the technical matters of the present invention are within the scope of the technical matters of the present invention.
Claims (10)
1. Hand-held type high accuracy roll size measuring device, its characterized in that: comprises a detection gun (1), a display device (2), a depth detection mechanism and a visual detection mechanism; wherein the detection gun (1) is horizontally arranged; the inner cavity of the detection gun (1) is a hollow cavity, and the gun head of the detection gun (1) is of an opening structure; the gun head of the detection gun (1) is in butt joint with the outer wall of the roller to be detected; the bottom of the detection gun (1) is provided with a handle for holding; the display device (2) is arranged on the side wall of the detection gun (1); the depth detection mechanism and the visual detection mechanism are both arranged in the inner cavity of the detection gun (1).
2. The hand-held high precision roll size measuring device of claim 1, wherein: the roller to be tested is of a cylinder structure; the side wall of the roller to be measured is provided with a groove with a trapezoid cross section along the circumferential direction; when the gun head of the detection gun (1) is in butt joint with the outer wall of the roller to be detected, the roller to be detected is horizontally placed in the axial direction, and the axis of the roller to be detected is vertical to the detection gun (1).
3. The hand-held high precision roll size measuring device of claim 2, wherein: the gun head of the detection gun (1) is provided with an arc-shaped opening which is adaptive to the outer wall of the roller to be detected.
4. The hand-held high precision roll size measuring device of claim 2, wherein: the depth detection mechanism comprises 2 laser displacement sensors (6); the 2 laser displacement sensors (6) are horizontally arranged in the inner cavity of the detection gun (1) at intervals; the laser displacement sensors (6) are arranged at the center line position of the inner cavity of the detection gun (1), and the laser displacement sensors (6) are aligned to the middle part of the groove bottom of the groove of the roller to be detected; the other 1 laser displacement sensor (6) is arranged on one side in the inner cavity of the detection gun (1), and the laser displacement sensor (6) is aligned to the outer wall of the roller to be detected without a groove.
5. The hand-held high precision roll size measuring device of claim 4, wherein: and (3) making a difference between the distance values measured by the 2 laser displacement sensors (6) to obtain the depth of the groove of the roller to be measured.
6. The hand-held high precision roll size measuring device of claim 2, wherein: the visual detection mechanism comprises a light source (7), a first refractor (8), a second refractor (9) and an area array camera (10); the light source (7) is arranged at the bottom of the inner cavity of the detection gun (1), and the light source (7) horizontally points to the head end of the detection gun (1); the first refraction mirror (8) is arranged at the bottom of the inner wall of the gun head of the detection gun (1); the position corresponds to the light source (7); the second refraction mirror (9) is arranged at the top of the inner wall of the gun head of the detection gun (1), and the position of the second refraction mirror (9) corresponds to that of the first refraction mirror (8); the area array camera (10) is arranged at the top of the inner cavity of the detection gun (1), and the position of the area array camera (10) corresponds to the second refractive mirror (9).
7. The hand-held high precision roll size measuring device of claim 6, wherein: under the non-shielding state, the light source (7) horizontally emits light with a rectangular cross section, and the light is refracted by the first refractor (8) and the second refractor (9) in sequence and then enters the area array camera (10) for imaging.
8. The hand-held high precision roll size measuring device of claim 7, wherein: after the gun head of the detection gun (1) is attached to the outer wall of the roller to be detected, the light source (7) emits rectangular light, and the rectangular light is refracted by the first refractor (8) and then is transmitted upwards; the upward light part is blocked by the roller to be detected, and the residual light is continuously transmitted to the second refractor (9) and refracted by the second refractor (9) to enter the area array camera (10).
9. The hand-held high precision roll size measuring device of claim 8, wherein: the area array camera (10) receives the light which is partially shielded, and a trapezoid groove imaging image of the roller to be detected is obtained; and measuring the angles of the side walls of the trapezoidal grooves according to the imaging diagram.
10. The hand-held high precision roll size measuring device according to claim 5 or 9, characterized in that: the measured depth of the groove or groove sidewall angle is displayed by a display device (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310448327.4A CN116576794A (en) | 2023-04-24 | 2023-04-24 | Hand-held high-precision roller size measuring device |
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Application Number | Priority Date | Filing Date | Title |
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CN202310448327.4A CN116576794A (en) | 2023-04-24 | 2023-04-24 | Hand-held high-precision roller size measuring device |
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CN116576794A true CN116576794A (en) | 2023-08-11 |
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Application Number | Title | Priority Date | Filing Date |
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CN202310448327.4A Pending CN116576794A (en) | 2023-04-24 | 2023-04-24 | Hand-held high-precision roller size measuring device |
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CN (1) | CN116576794A (en) |
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2023
- 2023-04-24 CN CN202310448327.4A patent/CN116576794A/en active Pending
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