CN2762119Y - Four-freedom adjustable clamping mechanism for industrial camera - Google Patents

Four-freedom adjustable clamping mechanism for industrial camera Download PDF

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Publication number
CN2762119Y
CN2762119Y CN 200420057893 CN200420057893U CN2762119Y CN 2762119 Y CN2762119 Y CN 2762119Y CN 200420057893 CN200420057893 CN 200420057893 CN 200420057893 U CN200420057893 U CN 200420057893U CN 2762119 Y CN2762119 Y CN 2762119Y
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CN
China
Prior art keywords
shaped seat
framework
camera
base plate
fixed
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
CN 200420057893
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Chinese (zh)
Inventor
陈幼平
余文勇
尚会超
谢经明
艾武
张洋
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Priority to CN 200420057893 priority Critical patent/CN2762119Y/en
Application granted granted Critical
Publication of CN2762119Y publication Critical patent/CN2762119Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a four-freedom adjustable clamping mechanism for an industrial camera. The utility model is characterized in that a camera is installed on a square frame, and a lens can thread through a round hole at the middle of the frame; moreover, the frame can rotate around a supporting shaft of which the left side and the right side are connected with a U-shaped seat by a bearing; two extension springs are installed between a supporting seat at both sides below the frame and a U-shaped seat side plate; a right-angle supporting component of the lower part of a side plate fixed at one side of the U-shaped seat is provided with a regulating screw, and the upper end of the regulating screw is gored on a dialing block fixed at one side of the frame; then, the dialing block is connected with the upper end of a guide rail sheet by a locking bolt, and the right-angle supporting component is connected with the lower end of the guide rail sheet by a guide bolt and a guide groove; two groups of bolts are arranged between the U-shaped seat and a bottom plate, one group of bolts are used for the fastening connection of the U-shaped seat and the bottom plate, and one end of the other group of bolts can pass through the U-shaped seat by the screw-thread connection to gore at the surface of the bottom plate; then, the bottom plate is installed in the guide rail sliding groove on the wall of a camera box body by the fixed bolt and the installing hole of the fixed bolt on the bottom plate is a round hole of which the upper part and the lower part are long.

Description

The industrial camera clamping mechanism that a kind of four-degree-of-freedom is adjustable
Technical field
The utility model belongs to the peripherals field of Vision Builder for Automated Inspection, and specifically, the utility model is that used mechanical mechanism is adjusted in the used industrial camera installation of image acquisition in a kind of industrial detection system, location and position.
Background technology
Machine vision is a complex art that comprises technology such as digital image processing techniques, mechanical engineering technology, control technology, electric source lighting technology, optical image technology, computer hardware technique, human-machine interface technology.These technology are coordination in machine vision, coordinate to use the Vision Builder for Automated Inspection that could constitute a success mutually.The clamping of video camera and stationary installation are cover mechanical mechanisms, the apparatus field that just belongs to the machine vision periphery, its major function except clamping and fixed cameras position mainly is and the match image acquisition parameter such as field range, luffing angle, lighting effect, object distance of incompatible acquisition needs of camera lens.
Industrial detection is mainly used in collection product on production line image with video camera and handles in industrial computer to obtain product quality information.Therefore the video camera that is applied to industry and civilian monitoring field adopts area array cameras because less demanding to the accurate dimension of monitored object more, and mounting means then adopts simple fixation or The Cloud Terrace mounting means.
Different with civilian rig camera with industry, industrial detection is very high to the detected object dimension precision requirement, when especially product on the high-speed production lines being carried out image acquisition, adopts line array video camera more.Because industrial production line generally all can produce bigger vibrations in operational process, and line array video camera requires to keep in the course of the work the very stability of high level, therefore, industrial detection uses the installation of video camera with fixing, not only requirement can guarantee the stability of camera position, also should have anti-vibration resistance to a certain degree.
In Industrial Image Detecting, illumination also is a key factor of decision image acquisition quality because subsequent calculations machine Flame Image Process to the light and shade of image, to dazzle parameters such as light, reflective, colourity all very responsive, illuminating effect is then determining the quality of these parameters.The design of illumination path is the assurance of illuminating effect, and the installation of video camera and location are the part in the illumination path too.The high low energy of camera position changes the intensity of illumination and influences the shading value of images acquired, dazzling light and reflected light and having influence on image chroma when the change of luffing angle can change image acquisition easily.
Therefore the clamping device of video camera cooperates camera lens together, accurate location in the time of not only can guaranteeing camera acquisition and stable acquisition precision, and determining object distance, field range, the luffing angle of video camera and directly influencing the pick-up unit anti-vibration resistance and the lighting effect and the chromaticity distortion of institute's images acquired.
Summary of the invention
The industrial camera clamping mechanism that provides a kind of four-degree-of-freedom adjustable is provided the purpose of this utility model.This machinery not only can be adjusted camera position and luffing angle at three translation directions and a sense of rotation easily and reliably, and can guarantee that video camera all keeps firm installation and clamping at diverse location, want simultaneously to eliminate effectively because the vibrations that working environment causes video camera, keep video camera can stably work and images acquired accurately.
The industrial camera clamping mechanism that a kind of four-degree-of-freedom that the utility model provides is adjustable, it is characterized in that: have the circular hole that passes for camera lens on the framework, its and arranged on left and right sides respectively is equipped with a back shaft, back shaft is connected with the U-shaped seat by bearing, and framework can be around the flute profile spatial rotation of back shaft at the U-shaped seat; Two extension springs are installed between framework and U-shaped seat, and extension spring one end is fixed on the side plate of U-shaped seat, and the other end is fixed on the supporting seat of both sides, framework below; The right angle is supported and fixed on the bottom of one side side plate of U-shaped frame, and shifting block is fixed on a side of framework, and set screw is installed in the right angle and supports, and the set screw upper end withstands on the shifting block; Be added with guide piece between shifting block and right angle support, the guide piece upper end is connected with shifting block by clamping screw, and the lower end is by gathering sill and the guide blot and the right angle support and connection of guide piece; Be provided with two groups of bolts between U-shaped seat and the base plate, one group is used to be fastenedly connected U-shaped seat and base plate, and an end of another group passes the surface that withstands on base plate behind the U-shaped seat by being threaded; Base plate is installed in the chute on the camera box body wall by set bolt, and the mounting hole of set bolt is a slotted hole up and down on the base plate.
Particularly, the utlity model has following technical characterstic:
(1) in the horizontal direction on left and right sides translation freedoms and the vertical direction upper and lower translation degree of freedom, the mode that this mechanism adopts bolt to match with chute realizes that camera position regulates, and adopts the mode of nut lock to lock the adjustment position, and is simple to operation.
(2) in the horizontal direction before and after on the translation freedoms, the feed screw nut form regulative mode that this mechanism adopts four adjusting screw(rod)s to match with base thread carries out position adjustments, adopt the threaded adjusting method simple, and can obtain higher positional precision, four screw rods are regulated respectively and can also be played the function of adjusting the baseplate vertical direction verticality simultaneously.
(3) on the rotary freedom of transverse axis, the framework that this mechanism adopts the two ends roller bearing to support, be coupled as one by bolt and video camera, the design adjusting mechanism is regulated the framework angle of pivoting, thereby the luffing angle of regulating video camera is dazzled light and reflective influence with what reduce acquisition target, improves collection image quality and obtains good illuminating effect.
(4) regulate the eccentric force that causes for the balance camera angle, make video camera all keep stability under loading in each position, two extension springs are installed in this mechanism, extension spring makes the shifting block that connects mutually with framework can both be pressed on the set screw on arbitrary adjustable angle, simultaneously also can absorb the shaking force that video camera is subjected to, avoid vibrations to cause the images acquired shake.
(5) the utility model compact overall structure is light and handy, and adjusting mechanism is regulated nimble, is convenient to operation.
Description of drawings
Fig. 1 is the structural representation of the utility model mechanism;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the right view of Fig. 1.
Specific implementation
Below in conjunction with accompanying drawing and example the utility model is described in further detail.
Video camera vertically is placed on the square framework 11, camera lens passes the circular hole in the middle of the framework 11, fuselage is connected with framework 11 by two bolts 10 each side, framework 11 left and right sides respectively are equipped with a short back shaft 8 by pin, short back shaft 8 is connected with U-shaped seat 3 by bearings, framework 11 can be used for regulating the luffing angle of video camera around the flute profile spatial rotation of short back shaft 8 at U-shaped seat 3.
For the balance video camera is regulated the eccentric force that causes owing to luffing angle, two extension springs 2 are installed between framework 11 and U-shaped seat 3, fixed leg 1 one ends of both ends of the spring are fixed on the U-shaped seat side plate, the other end is fixed on the supporting seat 7 of both sides, framework 11 below, be used for keeping shifting block 12 can be pressed on the set screw 16, and can absorb the vibrations in the video camera course of work to a certain extent.
For camera angle is adjusted accurately, designed an adjusting mechanism between U-shaped seat 3 and framework 11: the right angle supports 15 by two bottoms that are bolted to one side side plate of U-shaped frame 3, shifting block 12 is by being bolted on the quadra 11, set screw 16 is installed in the right angle and supports on 15, the screw upper end withstands on the lower surface of shifting block 12, and rotation set screw 16 can head on shifting block 12 drive frameworks 11 within the specific limits and rotate within the specific limits.For the back locked position of adjusting to the right place at luffing angle, between shifting block 12 and right angle support 15, add a guide piece 13, guide piece 13 upper ends are by clamping screw 14 and shifting block 12 connections mutually, and the lower end is connected with guide blot 17 and right angle support 15 by the gathering sill of an arc.Unscrew clamping screw 14 and guide blot 17 in the adjustment process, screw latched position after adjusting to the right place again.
Have 8 bolts between U-shaped seat 3 and the base plate 9 and be connected, be divided into two groups, one group is fastening bolt group 5, is used for being fastenedly connected U-shaped seat 3 and base plate 9; Another group is for adjusting bolt group 6, and the one end passes the surface that withstands on base plate 9 behind the U-shaped seat 3 by being threaded, by the principle of feed screw nut regulate U-shaped seat 3 in the horizontal direction before and after the degree of freedom of translation.
Base plate 9 is to be installed in the guide rail chute on the camera case box body wall (not having corresponding explanation in the accompanying drawing) by four set bolts 4, realizes the degree of freedom of video camera left and right sides translation in the horizontal direction by set bolt 4 move left and right in chute.For the mounting hole of set bolt 4 is designed to up and down slotted hole, set bolt 4 up and down can adjusting position in slotted hole, is used for realizing the degree of freedom of translation under the video camera in the vertical direction on the base plate 9.
Above-mentioned each parts can all adopt aluminium alloy and stainless steel material to process, and the utility model compact overall structure is light and handy, and adjusting mechanism is regulated nimble, are convenient to operation.
The concrete method of adjustment of each degree of freedom:
(1) translation of the horizontal direction left and right sides is adjusted
The adjustment of this degree of freedom realizes by left and right sides translation in the guide rail chute of the set bolt 4 between base plate 9 and the camera case casing on box body wall that mainly the back fastening nut of adjusting to the right place gets final product.
(2) the vertical direction upper and lower translation is adjusted
The adjustment of this degree of freedom realizes by moving up and down in the vertical direction slotted hole of set bolt 4 on base plate 9 that mainly the back fastening nut of adjusting to the right place gets final product.
(3) translation adjustment before and after the horizontal direction
The adjustment of this degree of freedom mainly realizes by the cooperation of adjusting bolt group 6 and fastening bolt group 5.At first regulate and adjust the fore-and-aft direction gap length that bolt group 6 is determined U-shaped seat and base plate, fix the connection of U-shaped seat and base plate then by fastening bolt group 5.
(4) adjust around the rotation of left and right horizontal axle
At first unscrew guide piece clamping screw 14 and guide blot 17, rotate set screw 16 then and promote shifting block 12 drive frameworks 11 and video camera adjustment luffing angle, the adjustable angle size is determined by guide piece 13 upper rail groove arc length.When adjusting the video camera luffing angle, the pulling force of stretching extension spring 2 can make shifting block 12 be pressed on the set screw 16 automatically.When luffing angle adjust to require the position after, screw clamping screw 14 and guide blot 17 gets final product.
Persons skilled in the art also can realize the utility model by adopting other multiple embodiment according to the said mechanism structrual description.

Claims (1)

1, the adjustable industrial camera clamping mechanism of a kind of four-degree-of-freedom, it is characterized in that: have the circular hole that passes for camera lens on the framework (11), its and arranged on left and right sides respectively is equipped with a back shaft (8), back shaft (8) is connected with U-shaped seat (3) by bearing, and framework (11) can be around the flute profile spatial rotation of back shaft (8) at U-shaped seat (3); Between framework (11) and U-shaped seat (3) two extension springs (2) are installed, extension spring (2) one ends are fixed on the side plate of U-shaped seat (3), and the other end is fixed on the supporting seat (7) of both sides, framework (11) below; The right angle supports the bottom that (15) are fixed on one side side plate of U-shaped seat (3), and shifting block (12) is fixed on a side of framework (11), and set screw (16) is installed in the right angle and supports on (15), and set screw (16) upper end withstands on the shifting block (12); Be added with guide piece (13) between shifting block (12) and right angle support (15), guide piece (13) upper end is connected with shifting block (12) by clamping screw (14), and the lower end is connected with guide blot (17) and right angle support (15) by the gathering sill of guide piece; Be provided with two groups of bolts (5,6) between U-shaped seat (3) and the base plate (9), one group is used to be fastenedly connected U-shaped seat (3) and base plate (9), and an end of another group passes the surface that withstands on base plate (9) behind the U-shaped seat (3) by being threaded; Base plate (9) is installed in the guide rail chute on the camera box body wall by set bolt (4), the mounting hole that base plate (9) is gone up set bolt (4) be about slotted hole.
CN 200420057893 2004-12-20 2004-12-20 Four-freedom adjustable clamping mechanism for industrial camera Expired - Fee Related CN2762119Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420057893 CN2762119Y (en) 2004-12-20 2004-12-20 Four-freedom adjustable clamping mechanism for industrial camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420057893 CN2762119Y (en) 2004-12-20 2004-12-20 Four-freedom adjustable clamping mechanism for industrial camera

Publications (1)

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CN2762119Y true CN2762119Y (en) 2006-03-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101144867B (en) * 2006-09-15 2011-11-09 富士迈半导体精密工业(上海)有限公司 Planar regulation device
CN102661720A (en) * 2012-04-20 2012-09-12 安徽国盾三维高科技有限公司 Projecting apparatus for three-dimensional appearance and trace comparison measuring instrument
CN103900901A (en) * 2014-03-10 2014-07-02 水利部交通运输部国家能源局南京水利科学研究院 Concrete testing device using wedged splitting tensile method
CN108195762A (en) * 2018-03-16 2018-06-22 鞍钢未来钢铁研究院有限公司 A kind of micromatic setting and method for realizing line scan camera detection steel defect
CN109129244A (en) * 2018-09-28 2019-01-04 武汉精立电子技术有限公司 A kind of liquid crystal display panel multiple degrees of freedom manual positioning device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101144867B (en) * 2006-09-15 2011-11-09 富士迈半导体精密工业(上海)有限公司 Planar regulation device
CN102661720A (en) * 2012-04-20 2012-09-12 安徽国盾三维高科技有限公司 Projecting apparatus for three-dimensional appearance and trace comparison measuring instrument
CN102661720B (en) * 2012-04-20 2014-07-30 安徽国盾三维高科技有限公司 Projecting apparatus for three-dimensional appearance and trace comparison measuring instrument
CN103900901A (en) * 2014-03-10 2014-07-02 水利部交通运输部国家能源局南京水利科学研究院 Concrete testing device using wedged splitting tensile method
CN108195762A (en) * 2018-03-16 2018-06-22 鞍钢未来钢铁研究院有限公司 A kind of micromatic setting and method for realizing line scan camera detection steel defect
CN108195762B (en) * 2018-03-16 2024-03-26 鞍钢集团北京研究院有限公司 Fine adjustment device and method for detecting strip steel defects by using line scanning camera
CN109129244A (en) * 2018-09-28 2019-01-04 武汉精立电子技术有限公司 A kind of liquid crystal display panel multiple degrees of freedom manual positioning device

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee