CN107991318A - A kind of high-precision detection device - Google Patents
A kind of high-precision detection device Download PDFInfo
- Publication number
- CN107991318A CN107991318A CN201711250617.9A CN201711250617A CN107991318A CN 107991318 A CN107991318 A CN 107991318A CN 201711250617 A CN201711250617 A CN 201711250617A CN 107991318 A CN107991318 A CN 107991318A
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- detection zone
- support plate
- rotating disk
- base
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of high-precision detection device, belongs to high precision components and detects auxiliary accessories field automatically.The rotating disk being fixed on including base and central shaft on base, is provided with motor on base, for driving rotating disk around central axis；Base includes bottom plate and side plate, and side plate side is provided with detection zone, industrial camera is fixed with base, for shot detection image；Lifting frame is installed on the bottom plate below detection zone, supporting item is fixed with lifting frame；Detection zone is additionally provided with Zheng Zi mechanisms, including positive appearance air-breathing part and negative pressure pump, positive appearance air-breathing part includes the first support plate of horizontal direction and the second support plate being connected with the first support plate of vertical direction, first support plate and the upper surface of the side plate of detection zone both sides are fixed, second support plate is provided with fixing groove close to the side of rotating disk, a through hole is provided with fixing groove, the air exhaust nozzle of negative pressure pump is connected with through hole.The present invention improves accuracy of detection, and adapts to various sizes of element under test.
Description
Technical field
Patent of the present invention is related to high precision components and detects auxiliary accessories field, more particularly to a kind of high-precision detection automatically
Device.
Background technology
Requirement in industrial circle to precision element is very stringent, such as rivet is as a kind of accurate connector, in aviation
Played a crucial role in industry, its quality is to the firmness of aircraft, flying quality, safety coefficient and service life etc.
There is vital influence.Aircaft configuration and covering connect fixation mainly by rivet, yet with the technological process of production
Defect occurs in reason, part rivet surface, and such as crackle, folding, pockmark, notch seriously affect product quality.In order to substitute
Manually, improve product quality and production efficiency, accurate rivet surface defect and physical dimension online automatic detection technology are producing
During seem and become more and more important.
Sophisticated manufacturing pays much attention to the surface integrity of accurate rivet, it is necessary to which the region for carrying out surface defects detection has
Countersunk head face and upper surface are, it is necessary to which carry out dimensional measurement has countersunk head face thickness, upper surface diameter, countersunk head inclined-plane angle etc., size
The required precision of measurement reaches micron order.It is general using high accuracy when carrying out countersunk head face thickness and countersunk head inclined-plane angle measures
Camera vertically takes pictures rivet side, therefore the necessary totally stationary and posture of rivet is perfect vertical upwards in shooting, but
It is due to the uncertainty of machinery, causes rivet inevitably to have small drift angle when entering detection zone, this drift angle can make survey
The maximum error for producing 25 microns of result is measured, this detects admissible error range beyond accurate rivet, therefore
An accurate rivet side detection mechanical system is needed to ensure the accuracy of testing result.
The content of the invention
For above-mentioned shortcoming, the present invention provides a kind of high-precision detection device, can fix when detecting to be measured
Element, measurement error is reduced in the error range of permission.
The technical scheme is that：
A kind of high-precision detection device, including base 1 and central shaft are fixed on the rotating disk 2 on the base 1, described
Motor is provided with base 1, the motor connects the rotating disk 2 and is used to drive the rotating disk 2 around central axis；
The base includes bottom plate and the side plate being connected with the bottom plate, and the side plate side is provided with detection zone, described
Detection device further includes industrial camera 6, and the industrial camera 6 is used to shoot the complete detection of the element under test in the detection zone
Image；
Lifting mechanism is installed, the lifting mechanism includes lifting frame 3 and is fixed on the lift below the detection zone
The supporting item 4 on frame 3 is risen, the lifting frame 3 is installed on the bottom plate below the detection zone；
The detection zone is additionally provided with Zheng Zi mechanisms, and the Zheng Zi mechanisms include positive appearance air-breathing part 5 and negative pressure pump, it is described just
Appearance air-breathing part 5 includes the first support plate of horizontal direction and the second support plate being connected with the first support plate of vertical direction, institute
State the first support plate and the upper surface of the detection zone side plate is fixed, second support plate is close to the side of the rotating disk 2
Fixing groove 8 is provided with, a through hole 9 is provided with the fixing groove 8, the air exhaust nozzle of the negative pressure pump is connected with the through hole 9.
Specifically, the element under test is rivet, the fixing groove 8 is that central angle is 90 °, radius and the rivet bar portion
1/4 equal circular groove of radius.
Specifically, it is provided with discharge port on the side plate.
Specifically, the outside of rotating disk 2 is provided with card slot, for receiving element under test and driving element under test to turn to
The detection zone.
Specifically, the positive appearance air-breathing part 5 is fixed on the upper surface of the detection zone side plate by way of screw fixation
On, be provided with mounting hole 10 in the first support plate of the positive appearance air-breathing part 5, the screw by the mounting hole 10 with it is described
The side plate connection of detection zone.
The present invention the course of work be：
After element under test enters in the card slot of rotating disk 2, rotated and will be to be measured in card slot by motor driving rotating disk 2
Element is sent to detection zone；Reach detection zone element under test by lifting mechanism be raised to industrial camera 6 can photograph it is to be measured
The position of the complete detection image of element；Then the switch of negative pressure pump is opened, the element under test after lifting is led to by negative pressure pump
Through hole 9 is crossed to hold and be fixed in fixing groove 8；Element under test after fixation is by 6 shot detection image of industrial camera；Shoot
Into the switch of rear closing negative pressure pump, element under test is set to be no longer secured to continue to follow rotating disk 2 to turn to discharging in fixing groove 8
Mouth discharge.
Beneficial effects of the present invention are：Zheng Zi mechanisms can fix element under test when detecting, improve detection device
Precision；And Zheng Zi mechanisms are detachable structure, can be applicable in not by replacing the positive appearance air-breathing part 5 of different size fixing grooves 8
With the element under test of size.
Brief description of the drawings
Fig. 1 is a kind of overall structure figure of high-precision detection device provided by the invention.
Fig. 2 is a kind of side view of high-precision detection device provided by the invention.
Fig. 3 is a kind of top view of high-precision detection device provided by the invention.
Fig. 4 is the front view of positive appearance air-breathing part 5.
Fig. 5 is the top view of positive appearance air-breathing part 5.
Fig. 6 is the front view that positive appearance air-breathing part 5 holds rivet.
Fig. 7 is the top view that positive appearance air-breathing part 5 holds rivet.
Figure label explanation：The positive appearance air-breathing part of 1- bases, 2- rotating disks, 3- lifting frame, 4- supporting items, 5-, 6- industry phases
Machine, 7- element under tests, 8- fixing grooves, 9- through holes, 10- mounting holes.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
It is a kind of overall structure figure of high-precision detection device provided by the invention as shown in Figure 1, including base 1 is with
Mandrel is fixed on the rotating disk 2 on base 1, and motor is provided with base 1, and motor connection rotating disk 2, which is used to drive, to be rotated
Disk 2 is around central axis；Base includes bottom plate and the side plate being connected with bottom plate, and side plate side is provided with detection zone, consolidates on base 1
Surely there is industrial camera 6, industrial camera 6 is used for the complete detection image of the element under test in shot detection area；The lower section of detection zone
Lifting mechanism is installed, lifting mechanism includes lifting frame 3 and the supporting item 4 being fixed in lifting frame 3, and lifting frame 3 is installed on inspection
Survey on the bottom plate below area；Detection zone is additionally provided with Zheng Zi mechanisms, and Zheng Zi mechanisms include positive appearance air-breathing part 5 and negative pressure pump, positive appearance
The second support plate being connected with the first support plate of first support plate and vertical direction of the air-breathing part 5 including horizontal direction, first
Support plate and the upper surface of the side plate of detection zone both sides are fixed, and the second support plate is provided with fixing groove close to the side of rotating disk 2
8, a through hole 9 is provided with fixing groove 8, and the air exhaust nozzle of negative pressure pump is connected with through hole 9.
In order to adapt to the element under test of different sizes, positive appearance air-breathing part 5 is detachable structure, will in some embodiments
On the upper surface for the side plate that positive appearance air-breathing part 5 is fixed on detection zone both sides by way of screw fixation, the of positive appearance air-breathing part 5
Mounting hole 10 is provided with one support plate, screw is connected by mounting hole 10 with the side plate of detection zone both sides.
Below exemplified by detecting rivet side, fixing groove 8 is that central angle is 90 ° in the present embodiment, radius and rivet bar portion
1/4 equal circular groove of radius；The outside of rotating disk 2 is provided with the card slot of a diameter of rivet diameter, for receiving rivet and driving riveting
Nail turns to detection zone, and in order to adapt to various sizes of rivet, the card slot of different-diameter can be set in rotating disk；On side plate
Discharge port is provided with, rivet 7 after tested, which continues to move to discharge port with rotating disk 2, goes out discharge.
, it is necessary to which rivet is suspended in rotating disk 2 in the detection process of rivet side, then using industrial camera 6, to riveting
The side of nail is taken pictures, so as to obtain the image information of side.In order to get shot region interested, it is necessary to difference
The rivet of species carries out being raised to proper height, rivet is treated that measurement information is all collected by camera.
The course of work of the present embodiment is as follows：
As shown in figure 3, rivet 7 usually with head upward, bar portion posture directed downwardly carries out side-information detection, is examined entering
Before surveying region, rivet 7 is suspended in rotating disk 2, and into detection zone when, which is lifted mechanism, lifts certain altitude and cause industrial phase
Machine 6 can photograph the side image of rivet 7.Need to fix rivet 7 with correct posture before shooting, Zheng Zi mechanisms
Including a positive appearance air-breathing part 5 and a negative pressure pump, after rivet is carried to detection zone with rotating disk 2, the suction of negative pressure pump is opened
Air cock, rivet 7 is held and is fixed in circular groove 8 by negative pressure pump by the through hole 9 being connected with its air exhaust nozzle, then by industrial phase
Machine is shot to obtain the side image of rivet 7, after the completion of shooting close negative pressure pump switch so that rivet can continue to
Rotating disk is moved to discharge port discharge.
Since 7 species of rivet is relatively more, positive appearance inspiration piece 5 is designed as detachable structure, can be by replacing different size
The positive appearance air-breathing part 5 of circular groove is to adapt to the rivet 7 of different gauge diameters.
Contrast on effect：According to actual test, in the Zheng Zi mechanisms during no addition is of the invention, rivet lateral thickness is examined
The error of survey fluctuates in ± 25 microns, and after adding the Zheng Zi mechanisms in the invention of this reality, measurement error can be stablized at ± 5 microns
It is interior, it can meet the measurement request of high-precision rivet.
Device provided by the invention can be used in the posture of rivet during fixed accurate rivet detection, and can be used not only for side
Detection, it can also be used to which other any strictly determined accurate rivets of rivet posture that involve a need to detect.
Those of ordinary skill in the art these disclosed technical inspirations can make various do not depart from originally according to the present invention
The other various specific deformations and combination, these deformations and combination of invention essence are still within the scope of the present invention.
Claims (5)
1. a kind of high-precision detection device, including base (1) and central shaft are fixed on the rotating disk (2) on the base (1),
Be provided with motor on the base (1), the motor connect the rotating disk (2) be used to driving the rotating disk (2) around
Central axis；
The base includes bottom plate and the side plate being connected with the bottom plate, and the side plate side is provided with detection zone, the detection
Device further includes industrial camera (6), and the industrial camera (6) is used to shoot the complete detection of the element under test in the detection zone
Image；
It is characterized in that, being provided with lifting mechanism below the detection zone, the lifting mechanism includes lifting frame (3) and fixes
Supporting item (4) in the lifting frame (3), the lifting frame (3) are installed on the bottom plate below the detection zone；
The detection zone is additionally provided with Zheng Zi mechanisms, and the Zheng Zi mechanisms include positive appearance air-breathing part (5) and negative pressure pump, the positive appearance
Air-breathing part (5) includes the first support plate of horizontal direction and the second support plate being connected with the first support plate of vertical direction, institute
State the first support plate and the upper surface of the detection zone side plate fixed, second support plate close to the rotating disk (2) one
Side is provided with fixing groove (8), and a through hole (9), the air exhaust nozzle of the negative pressure pump and the through hole are provided with the fixing groove (8)
(9) connect.
2. high-precision detection device according to claim 1, it is characterised in that the element under test is rivet, described
Fixing groove (8) is that central angle is 90 °, radius 1/4 circular groove equal with the rivet bar portion radius.
3. high-precision detection device according to claim 1, it is characterised in that be provided with discharge port on the side plate.
4. high-precision detection device according to claim 1, it is characterised in that be provided with the outside of the rotating disk (2)
Card slot, for receiving element under test and driving element under test to turn to the detection zone.
5. high-precision detection device according to claim 1, it is characterised in that the positive appearance air-breathing part (5) passes through spiral shell
The fixed mode of nail is fixed on the upper surface of the detection zone side plate, is set in the first support plate of the positive appearance air-breathing part (5)
Mounting hole (10) is equipped with, the screw is connected by the mounting hole (10) with the side plate of the detection zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250617.9A CN107991318B (en) | 2017-12-01 | 2017-12-01 | High-precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250617.9A CN107991318B (en) | 2017-12-01 | 2017-12-01 | High-precision detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107991318A true CN107991318A (en) | 2018-05-04 |
| CN107991318B CN107991318B (en) | 2024-01-05 |
Family
ID=62035092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711250617.9A Active CN107991318B (en) | 2017-12-01 | 2017-12-01 | High-precision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107991318B (en) |
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| Publication number | Publication date |
|---|---|
| CN107991318B (en) | 2024-01-05 |
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