CN205317153U - Be fit for detection mechanism that spare part used - Google Patents

Be fit for detection mechanism that spare part used Download PDF

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Publication number
CN205317153U
CN205317153U CN201620075355.1U CN201620075355U CN205317153U CN 205317153 U CN205317153 U CN 205317153U CN 201620075355 U CN201620075355 U CN 201620075355U CN 205317153 U CN205317153 U CN 205317153U
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CN
China
Prior art keywords
base
support
ccd camera
screw mandrel
measured piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620075355.1U
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Chinese (zh)
Inventor
王成林
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Beijing Wuzi University
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Beijing Wuzi University
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Filing date
Publication date
Application filed by Beijing Wuzi University filed Critical Beijing Wuzi University
Priority to CN201620075355.1U priority Critical patent/CN205317153U/en
Application granted granted Critical
Publication of CN205317153U publication Critical patent/CN205317153U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a be fit for detection mechanism that spare part used, include base (1), support (2), pure color light source (3), cloud platform (5), CCD camera (6) and expand and restraint laser emitter (7), support (2) be the structure of " L " shape, another arm sling of " the L " of support (2) shape structure is empty and parallel with base (1) upper surface plane, CCD camera (6) pass through cloud platform (5) fixed mounting on the unsettled underarm of support (2) surface, expand and restraint laser emitter (7) and install on yun tai (5) nearside support (2), base (1) the upper surface under CCD camera (6) is used for laying measured piece (4), equipartition pure color light source (3) on measured piece (4) base (1) upper surface all around. The utility model discloses a detection mechanism through handle by the mapping like and obtain required various parameters, have non -contact, full visual field measurement, high accuracy and the high advantage of degree of automation.

Description

The testing agency that a kind of applicable parts use
Technical field
This utility model belongs to machinery manufacturing technology field, particularly to the testing agency that a kind of applicable parts use.
Background technology
Plant equipment becomes more meticulous day by day, and specification is to developing on a small scale. In parts production and application process, it usually needs detect, to ensure quality and the dimension requirement of product. Utilize general measure instrument, such as three-coordinates measuring machine because the restriction of its drill bit specification cannot meet the requirement of its precision and the order of magnitude. Along with developing rapidly of Visual identification technology, people start to consider the rapidity of machine vision technique, high-intelligentization to be applied in parts detection. Machine vision is a complex art having gathered the technology such as Digital Image Processing, machinery, control, optics, computer. Vision Builder for Automated Inspection can realize target is carried out Poul Dorset Sheep, can quick obtaining bulk information, and be prone to automatically process, therefore, machine vision technique as a kind of important detection technique oneself through causing the attention of people, and obtain at detection field and be increasingly widely applied.
Engineering College, Beijing Forestry Univ. proposes a kind of tree-walk detection method (Cheng Pengle based on image, Li Xiaohui, based on the tree-walk detection method of image, Chinese patent: 201010503306.0,2012-01-25), laser is merged with image procossing to tree diameter measurement. Simultaneously, a kind of flatness detection method (Cheng Pengle based on information fusion technology is proposed, Liu Jinhao, Sun Zhibo, flatness detection method based on information fusion technology, Chinese patent: 201210147220.8,2012-09-12), utilize laser and CCD camera that flatness has been detected.
The basic skills of the component test of prior art mainly has: inspect method, gage measuring method. Method of inspecting detects mainly through the method estimated, knock, compare. Gage measuring rule is to use measurer and instrument testing part, generally can obtain more accurate data. But operate correct, in addition it is also necessary to be subject to the accuracy constraint of measurement device. Accordingly, it would be desirable to a kind of easy to detect, accurate and that efficiency is high detecting device.
Summary of the invention
The purpose of this utility model provides one to be used for solving parts detection, it is achieved the mechanism that parts are detected by fusion laser and image recognition technology.
Concrete technical scheme of the present utility model is the testing agency that a kind of applicable parts use, and including base, support, pure color light source, The Cloud Terrace, CCD camera, expands generating laser, motor, expansion link, spreader and screw mandrel,
Described support is the structure of " L " shape, one end of one arm of " L " shape structure of support is fixedly mounted in base upper surface plane, another arm sling of " L " shape structure of support is empty and parallel with base upper surface plane, described CCD camera is fixedly mounted on an arm lower surface of bracket-suspending by described The Cloud Terrace, the described generating laser that expands is arranged on the support of The Cloud Terrace nearside, base upper surface immediately below CCD camera is used for laying measured piece, uniform pure color light source on the base upper surface of measured piece surrounding
Also include contact measurement assembly, described contact measurement assembly includes motor, expansion link, spreader and screw mandrel, described motor is arranged on base upper surface, for driving the screw mandrel being perpendicular to base upper surface plane to rotate, described spreader coordinates with screw mandrel, it is possible to move up and down under screw mandrel drives, described expansion link is arranged on spreader and parallel with base upper surface plane, and the free end of expansion link installs ball.
The beneficial effects of the utility model are the image means as detection and transmission information or carrier can be used, obtained required various parameters by processing by altimetric image, there is the advantage that noncontact, full filed measurement, high accuracy and automaticity are high.
Accompanying drawing explanation
Fig. 1 is the front view of the testing agency that applicable parts of the present utility model use;
Fig. 2 is the right view of the testing agency that applicable parts of the present utility model use.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described.
As shown in Figure 1-2, a specific embodiment of the testing agency that applicable parts of the present utility model use is as follows.
It includes base 1, support 2, pure color light source 3, The Cloud Terrace 5, CCD camera 6, expands generating laser 7, motor 8, expansion link 9, spreader 10 and screw mandrel 11.
The described structure that support 2 is " L " shape, one end of one arm of " L " shape structure of support 2 is fixedly mounted in base 1 top surface plane, another arm sling of " L " shape structure of support 2 is empty and parallel with base 1 top surface plane, described CCD camera 6 is fixedly mounted on, by described The Cloud Terrace 5, the arm lower surface that support 2 is unsettled, the described generating laser 7 that expands is arranged on the support 2 of The Cloud Terrace 5 nearside, base 1 upper surface immediately below CCD camera 6 is used for laying measured piece 4, uniform pure color light source 3 on base 1 upper surface of measured piece 4 surrounding.
So the hole of measured piece 4 plane can be carried out vision-based detection. By measured piece 4 on base 1 so that it is being in a stable shooting state, pure color light source 3 highlights the feature of measured piece 4; Complete the collection to view data by CCD camera 6, and convert thereof into the output signal of corresponding form; Expanding generating laser 7 and send laser, spot projection is in measured piece 4 plane.
By image carries out pretreatment, image binaryzation, image-region extracts, test point positions and calculates detected point data. The effect of laser beam is scale.
Measured piece 4 projects on camera cmos sensor parallel with it by camera lens, and its magnification ratio coefficient is μ:
μ=f/D (1)
F focal length in formula, D distance from imaging object to focus.
Because of the focal length of camera lens be change, and tested region to focus distance also be change, so magnification ratio coefficient cannot pass through formula (1) calculating. In this case actual size and its size of imaging on CMOS of utilizing tested region can also calculate magnification ratio coefficient:
μ=l/L (2)
L tested region pixel count on photo in formula, the actual size in the tested region of L.
Tested region and laser facula are on same object plane, identical with the distance of camera, and imaging simultaneously, during imaging, focal length is also identical, so amplification is also identical.
Such as, aperture pore size in measured piece 4 plane, then have according to formula (2),
μ=l/L=li/Li=lj/Lj
Wherein, i, j represents tested gaging hole and laser beam respectively, so:
L i = l i l j · L j .
Described motor 8 is arranged on base 1 upper surface, for driving the screw mandrel 11 being perpendicular to base 1 top surface plane to rotate, described spreader 10 coordinates with screw mandrel 11, can move up and down under screw mandrel 11 drives, described expansion link 9 is arranged on spreader 10 and parallel with base 1 top surface plane, and the free end of expansion link 9 installs ball. By driving spreader 10 to move up and down and the expansion link of expansion link 9, ball is made to contact with the planar point of measured piece 4, it is possible to the elevation of the plane of detection measured piece 4. If spreader 10 can rotate by wire winding rod 11, and ball is arranged on the free end of expansion link 9 by pressure transducer, so that it may measure the flatness of the plane of measured piece 4.

Claims (2)

1. the testing agency that applicable parts use, including base (1), support (2), pure color light source (3), The Cloud Terrace (5), CCD camera (6) with expand generating laser (7),
The described structure that support (2) is " L " shape, one end of one arm of " L " shape structure of support (2) is fixedly mounted in base (1) top surface plane, another arm sling of " L " shape structure of support (2) is empty and parallel with base (1) top surface plane, described CCD camera (6) is fixedly mounted on, by described The Cloud Terrace (5), the arm lower surface that support (2) is unsettled, the described generating laser (7) that expands is arranged on the support (2) of The Cloud Terrace (5) nearside, base (1) upper surface immediately below CCD camera (6) is used for laying measured piece (4), uniform pure color light source (3) on base (1) upper surface of measured piece (4) surrounding.
2. the testing agency that a kind of applicable parts as claimed in claim 1 use, it is characterized in that, also include contact measurement assembly, described contact measurement assembly includes motor (8), expansion link (9), spreader (10) and screw mandrel (11), described motor (8) is arranged on base (1) upper surface, for driving the screw mandrel (11) being perpendicular to base (1) top surface plane to rotate, described spreader (10) coordinates with screw mandrel (11), can move up and down under screw mandrel (11) drives, it is upper and parallel with base (1) top surface plane that described expansion link (9) is arranged on spreader (10), the free end of expansion link (9) installs ball.
CN201620075355.1U 2016-01-25 2016-01-25 Be fit for detection mechanism that spare part used Expired - Fee Related CN205317153U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620075355.1U CN205317153U (en) 2016-01-25 2016-01-25 Be fit for detection mechanism that spare part used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620075355.1U CN205317153U (en) 2016-01-25 2016-01-25 Be fit for detection mechanism that spare part used

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CN205317153U true CN205317153U (en) 2016-06-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107289858A (en) * 2017-07-06 2017-10-24 广州市九州旗建筑科技有限公司 The measurement apparatus and method of virtual ruler built in a kind of digital picture
CN111336939A (en) * 2020-03-13 2020-06-26 安标国家矿用产品安全标志中心有限公司 Machine vision-based online detection method and device for gap between explosion-proof joint surfaces

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107289858A (en) * 2017-07-06 2017-10-24 广州市九州旗建筑科技有限公司 The measurement apparatus and method of virtual ruler built in a kind of digital picture
CN111336939A (en) * 2020-03-13 2020-06-26 安标国家矿用产品安全标志中心有限公司 Machine vision-based online detection method and device for gap between explosion-proof joint surfaces
CN111336939B (en) * 2020-03-13 2021-08-13 安标国家矿用产品安全标志中心有限公司 Machine vision-based online detection method and device for gap between explosion-proof joint surfaces

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160615

Termination date: 20180125