CN2715932Y - Stereoscopic vision monitoring device with five degrees of freedom - Google Patents
Stereoscopic vision monitoring device with five degrees of freedom Download PDFInfo
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- CN2715932Y CN2715932Y CN 200420077838 CN200420077838U CN2715932Y CN 2715932 Y CN2715932 Y CN 2715932Y CN 200420077838 CN200420077838 CN 200420077838 CN 200420077838 U CN200420077838 U CN 200420077838U CN 2715932 Y CN2715932 Y CN 2715932Y
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 23
- 210000000707 wrist Anatomy 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 9
- 238000004364 calculation method Methods 0.000 abstract description 2
- 210000003857 wrist joint Anatomy 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 238000012552 review Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
A stereoscopic vision monitoring device with five degrees of freedom of the utility model belongs to the technical field of monitoring. The utility model comprises a support bracket, three orthogonal joints of translational motion, a rotating / inclining wrist structure, cameras and five moving axles; each axle is equipped with two limited sensors and a zero position sensor. Two cameras are respectively equipped on the lower ends of the wrist joints; the included angle between the light axles of the cameras can be adjusted. When a platform moves, the cameras are driven to conduct the movement of five directions in space, the translational movement on the two directions along a horizontal surface, the translational movement with a vertical surface and two rotating movements. The movement response speed of the wrist joints of the robot of the utility model is rapid; the moving object can be rapidly tracked; the object pictures photographed from two angles are provided and the object accurate positioning is conducted after subsequent calculation. The rectangular coordinates robot has stable moving, large moving range and can enlarge the camera visual field. The utility model applies the computer vision system on the automatic assembling line to improve the flexibility and the accuracy of the assembling line.
Description
Technical field
The utility model belongs to the monitoring technique field, specifically is used to obtain a kind of vision monitoring apparatus of the motion location of workpiece and monitoring assembly line duty on the automatic assembly line.
Background technology
Vision monitoring apparatus on the automated assembly line is the image that utilizes vision sensor to collect, and handles through image, obtains the information such as model, position of workpiece, and by computer control, the manipulator finishes fittage.
Present this supervising device adopts a video camera that is fixed on a certain position, and (Liu Yanlin writes the image of workpiece, flexible manufacturing automation outline on the collection conveyer belt, publishing house of the Central China University of Science and Technology, October calendar year 2001 front page, the 21st page, Fig. 2 .9,2.10,2.11).The deficiency of this device is: video camera is fixed, and visual field coverage is less, can only finish simple location and operation on the plane, can not carry out space orientation and operation, can not play the effect of monitoring to assembly line.
The utility model content
The purpose of this utility model is monitored and high-level scheduling automated assembly line in that a kind of brand-new intelligent vision monitoring device is provided, and improves the flexibility of assembly line.
For achieving the above object, technical solution of the present utility model provides a kind of stereoscopic vision monitoring device of five degree of freedom, form by support, three mutually perpendicular translational motion joints, rotation/inclination wrist structure and video cameras, vertically be fixed with fromer rail and rear rail on the forward and backward back timber of its support, fromer rail has crossbeam with the rear rail top by being connected the actuator frame, crossbeam and fromer rail, rear rail vertical storing mutually; The crossbeam inboard is by connecting the middle part, bottom surface that actuator is fixed in montant, and montant and crossbeam quadrature are provided with; Montant is fixed in the extension arm upper end by connecting actuator, the extension arm lower end rotation/inclination wrist structure that is being connected;
Rotation/inclination wrist structure is made up of two motors, decelerator and Camera Platform, and two motors are vertical mutually to be provided with, and is dynamically connected with decelerator respectively, and decelerator and Camera Platform are dynamically connected; At least two video cameras are housed on the Camera Platform.
Described stereoscopic vision monitoring device, its described connection actuator comprises stick or montant, leading screw, motor and slide block, is provided with leading screw in the groove of stick or montant, an end of leading screw is connected with motor; Leading screw and slide block are dynamically connected, and the slide block one side contacts with guide rail is moving, and is connected to the leading screw external screw thread with a hole inner screw sheath.
Described stereoscopic vision monitoring device, two motors of its described rotation/inclination wrist structure, vertical mutually the setting can make Camera Platform do 360 ° of rotations in the plane by decelerator respectively, does-105 °～105 ° rotations on vertical plane.
Described stereoscopic vision monitoring device, its described at least two video cameras, the angle between each camera optical axis can be adjusted; Two width of cloth visual pattern or the motion image sequences of gathering under the different visual angles are provided simultaneously.
Described stereoscopic vision monitoring device between its described stick or montant and the slide block, is equipped with limit sensors and null pick-up, can limit slide block and move within the specific limits.
Described stereoscopic vision monitoring device, its described two motors are equipped with limit sensors and null pick-up on its gyroaxis, can limit two motors and move within the specific limits, thereby video camera is taken the plan scene.
Described stereoscopic vision monitoring device, its described decelerator is common decelerator, can follow the tracks of fast moving object.
Described stereoscopic vision monitoring device, it can unite use with many table apparatus, and production line, scene are implemented vision monitoring, vision is carried out in moving object follow the tracks of.
Outstanding feature of the present utility model is to utilize the robot device, driving two video cameras moves simultaneously, the stereoscopic vision of generation and human eyes structural similarity, motion workpiece on the trace flow waterline, after workpiece arrives assigned address, handle by image, obtain the accurate location of workpiece, the tasks such as follow-up assembling, processing that offer are used.Because the exact position of workpiece is to obtain by handling camera review, thus the requirement of positioning fixture has been reduced, even can avoid using special-purpose jig.When assembling different products, avoid making again jig and redesign assembly line, increased the flexibility of assembly line.
In the utility model, two video cameras are fixed on a robot with five degrees of freedom end, robot drives video camera and does spatial translation campaign and rotation.This robot is made up of two parts: Cartesian robot and rotation/inclination wrist structure.Cartesian robot has three mutually perpendicular translational motion joints, and range of movement is big, and the location accurately.Rotation/inclination wrist structure has two frees degree, is installed in the Cartesian robot end.The end of wrist structure is a video camera installing rack, and the installation site of two video cameras is set on the installing rack, and the installation shaft of two video cameras can be parallel, or becomes a certain angle.
The utility model can be followed the tracks of fast to the motion workpiece, and static workpiece is carried out the stereoscopic vision location.
Description of drawings
Fig. 1 is the stereoscopic vision monitoring device with five degrees of freedom schematic diagram;
Fig. 2 follows the tracks of the visual pattern of rapid movement workpiece for video camera;
Fig. 3 is the visual pattern that two video cameras are gathered workpiece simultaneously.
The specific embodiment
See also Fig. 1.Vertically be fixed with fromer rail 1 and rear rail 1a on the forward and backward back timber of rectangular-shaped frame shape support 22, fromer rail 1 and rear rail 1a are linear projection, rear rail 1a rear side has the groove-like stick 3a that be arranged in parallel, is provided with leading screw 3 in the groove of stick 3a, and an end of leading screw 3 is connected with motor 2.Fromer rail 1 is gone up to move with rear rail 1a and has been contacted slide block 14 and slide block 4, and prop up on fromer rail 1 slide block 14 bottom surfaces, and prop up on rear rail 1a slide block 4 anterior bottom surfaces, and the rear portion downside is connected to leading screw 3 external screw threads with a hole inner screw sheath.Slide block 14 and slide block 4 top framves have crossbeam 12, crossbeam 12 and fromer rail 1, rear rail 1a vertical storing mutually, and slide block 14 and slide block 4 are fixed in the two ends of crossbeam 12 respectively.Crossbeam 12 inboards vertically are provided with the guide rail 7 of linear projection, and the outside and guide rail 7 are arranged with groove-like stick 6a in parallel, the groove side of stick 6a, in be provided with leading screw 6, an end of leading screw 6 is connected with motor 5.One slide block 13, top one side is connected to leading screw 6 external screw threads with a hole inner screw sheath, and bottom face is propped up on guide rail 7.Slide block 13 top opposite sides are fixed in the middle part, bottom surface of montant 9, montant 9 and crossbeam 12 quadrature settings.Montant 9 upper surfaces have a groove, and the groove side has the guide rail 11 that be arranged in parallel, is provided with leading screw 10 in the groove, and the upper end of leading screw 10 is connected with motor 8.Leading screw 10 is dynamically connected with slide block 15, and slide block 15 rear portions one side is connected to leading screw 10 external screw threads with a hole inner screw sheath, anterior side and guide rail 11 moving contacts.Slide block 15 rear portion opposite sides are fixed in extension arm 16 upper ends, the extension arm 16 lower ends rotation/inclination wrist structure that is being connected.
Rotation/inclination wrist structure is made up of motor 17,19, decelerator 18 and Camera Platform 23, and motor 17 and motor 19 mutual vertical settings are dynamically connected with decelerator 18 respectively, and decelerator 18 and Camera Platform 23 are dynamically connected. Motor 17,19 can make Camera Platform 23 do 360 ° of rotations in the plane by decelerator 18, does-105 °～105 ° rotations on vertical plane.Two video cameras 20,21 are housed on the Camera Platform 23, and the angle between video camera 20 and video camera 21 optical axises can be adjusted.
Between stick 3a, 6a or montant 9 and slide block 3,6,15, limit sensors and null pick-up (not illustrating among the figure) are installed, can limit slide block 3,6,15 and move within the specific limits.
On the gyroaxis of motor 17 and motor 19, limit sensors and null pick-up (not illustrating among the figure) are installed, can limit motor 17 and move within the specific limits, thereby video camera 20 and 21 pairs of plans of video camera scene are taken with motor 19.
Operation principle of the present utility model:
When using the utility model device to carry out workpiece tracking and location, at first, video camera workpiece image that photographs and the workpiece template that is based upon in the computer are in advance compared, the workpiece that selector matched moulds plate requires, the picture of choosing workpiece is carried out image handle, obtain the workpiece image center-of-mass coordinate; Then, when workpiece motion s, by a video camera continuous acquisition workpiece image, by the variation of workpiece barycenter in the sequence of calculation, the control robot motion remains workpiece in the visual field of video camera; Estimate the position of workpiece in space coordinates simultaneously continuously, after workpiece arrives the precalculated position, provide halt instruction.After workpiece is static, adjust camera position and attitude, two video cameras are gathered the image of workpiece simultaneously, handle through image, and the exact position of output workpiece barycenter offers other operating mechanism, finishes tasks such as assembling, processing.
In the present embodiment, three translation joints of Cartesian robot are installed on the support 22, support 22 high 1800mm.Driven by servomotor, high accuracy roller bearing lead screw transmission are all adopted in three translation joints.Rotation/inclination wrist structure adopts the type of drive of motor and decelerator.In Fig. 1, motor 2 drives leading screw 3 and rotates, and drives slide block 4 and slide block 14 and moves along guide rail 1, and slide block 4 and slide block 14 are separately fixed at the two ends of crossbeam 12, produce video camera 20,21 translational motions along guide rail 1, and movement length is 1000mm.Leading screw 6 and guide rail 7 are installed on the crossbeam 12, slide block 13 1 ends are installed on the guide rail 6, the other end is fixed on the montant 9, extension arm 16 connects firmly at montant 9 ends, video camera is installed in montant 9 ends, and motor 5 drives leading screw 6 rotations, drives slide block 13 and moves along guide rail 7, the generation video camera moves along guide rail 6 directions, and movement length is 460mm.Leading screw 10 and guide rail 11 are installed on the montant 9, and slide block 15 1 ends are installed on the guide rail 11, and an end is fixed on extension arm 16 upper ends, and motor 8 drives leading screw 10 and rotates, and the generation video camera moves along guide rail 11 directions, and movement length is 500mm.Extension arm 16 lower ends, the wrist that is being connected structure.Rotatablely moving of wrist produced by decelerator 18 deceleration backs by motor 17, and slewing area is 0 °-360 °.Banking motion produces after being slowed down through decelerator 18 by motor 19, and slewing area is-105 °-105 °. Video camera 20 and 21 is under the drive of wrist, around the gyroaxis rotation of motor 17 and motor 19.
In the present embodiment, two video cameras all adopt colored industrial camera, and the spacing of video camera installation shaft is 160mm,, the camera axis angle is 15 degree.During experiment, image pick-up card adopts OK series MC-30, and computer adopts industrial control computer ADVANTECH-610.Test tracking and workpiece location at moving object, and Fig. 2 is the visual pattern of video camera 20 at tracking rapid movement workpiece, and Fig. 3 is that video camera 20 and 21 is at synchronization workpiece visual pattern that collects and the centroid position that calculates.
Claims (8)
1, a kind of stereoscopic vision monitoring device with five degrees of freedom, form by support, three mutually perpendicular translational motion joints, rotation/inclination wrist structure and video cameras, it is characterized in that: vertically be fixed with fromer rail and rear rail on the forward and backward back timber of support, fromer rail has crossbeam with the rear rail top by being connected the actuator frame, crossbeam and fromer rail, rear rail vertical storing mutually; The crossbeam inboard is by connecting the middle part, bottom surface that actuator is fixed in montant, and montant and crossbeam quadrature are provided with; Montant is fixed in the extension arm upper end by connecting actuator, the extension arm lower end rotation/inclination wrist structure that is being connected;
Rotation/inclination wrist structure is made up of two motors, decelerator and Camera Platform, and two motors are vertical mutually to be provided with, and is dynamically connected with decelerator respectively, and decelerator and Camera Platform are dynamically connected; At least two video cameras are housed on the Camera Platform.
2, stereoscopic vision monitoring device as claimed in claim 1 is characterized in that: described connection actuator, comprise stick or montant, leading screw, motor and slide block, and in the groove of stick or montant, be provided with leading screw, an end of leading screw is connected with motor; Leading screw and slide block are dynamically connected, and the slide block one side contacts with guide rail is moving, and is connected to the leading screw external screw thread with a hole inner screw sheath.
3, stereoscopic vision monitoring device as claimed in claim 1 is characterized in that: two motors of described rotation/inclination wrist structure, vertical mutually the setting.
4, stereoscopic vision monitoring device as claimed in claim 1 is characterized in that: described at least two video cameras, the angle between each camera optical axis can be adjusted.
5, stereoscopic vision monitoring device as claimed in claim 2 is characterized in that: between described montant or stick and the slide block, limit sensors and null pick-up are installed.
6, stereoscopic vision monitoring device as claimed in claim 3 is characterized in that: described two motors are equipped with limit sensors and null pick-up on its gyroaxis.
7, as claim 1 or 3 described stereoscopic vision monitoring devices, it is characterized in that: described decelerator is common decelerator.
8, stereoscopic vision monitoring device as claimed in claim 1 is characterized in that: to production line, when scene is implemented vision monitoring, many table apparatus can be united use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077838 CN2715932Y (en) | 2004-07-15 | 2004-07-15 | Stereoscopic vision monitoring device with five degrees of freedom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077838 CN2715932Y (en) | 2004-07-15 | 2004-07-15 | Stereoscopic vision monitoring device with five degrees of freedom |
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| Publication Number | Publication Date |
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| CN2715932Y true CN2715932Y (en) | 2005-08-10 |
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| CN 200420077838 Expired - Lifetime CN2715932Y (en) | 2004-07-15 | 2004-07-15 | Stereoscopic vision monitoring device with five degrees of freedom |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336635C (en) * | 2004-07-15 | 2007-09-12 | 中国科学院自动化研究所 | Stereoscopic vision monitoring device with five degrees of freedom |
| US7546780B2 (en) | 2005-09-30 | 2009-06-16 | Rockwell Automation Technologies, Inc. | Sensor mounting structure allowing for adjustment of sensor position |
| CN102990641A (en) * | 2012-11-26 | 2013-03-27 | 哈尔滨工程大学 | Moveable object locating picking and placing device |
| CN103085056A (en) * | 2013-01-28 | 2013-05-08 | 河南理工大学 | Underground coal mine disaster information detection robot platform |
| CN103345249A (en) * | 2013-07-09 | 2013-10-09 | 杭州电子科技大学 | Rectangular coordinate robot positioning system and method based on saliency of target |
| CN104626135A (en) * | 2013-11-12 | 2015-05-20 | 宁夏巨能机器人系统有限公司 | Bearing inner ring line four-shaft mechanical hand |
| CN104931091A (en) * | 2015-06-24 | 2015-09-23 | 金陵科技学院 | Bionic robot fish measuring platform and using method thereof |
| CN109048860A (en) * | 2018-08-30 | 2018-12-21 | 南京禹智智能科技有限公司 | A kind of industrial robot mobile platform |
| CN109185630A (en) * | 2018-11-14 | 2019-01-11 | 哈尔滨理工大学 | A kind of support and position regulator for stereoscopic vision shooting |
| KR20200051072A (en) * | 2018-11-01 | 2020-05-13 | 주식회사 정상 | a cap assembly apparatus |
-
2004
- 2004-07-15 CN CN 200420077838 patent/CN2715932Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336635C (en) * | 2004-07-15 | 2007-09-12 | 中国科学院自动化研究所 | Stereoscopic vision monitoring device with five degrees of freedom |
| US7546780B2 (en) | 2005-09-30 | 2009-06-16 | Rockwell Automation Technologies, Inc. | Sensor mounting structure allowing for adjustment of sensor position |
| CN102990641B (en) * | 2012-11-26 | 2015-12-02 | 哈尔滨工程大学 | A kind of loose impediment location fetching device |
| CN102990641A (en) * | 2012-11-26 | 2013-03-27 | 哈尔滨工程大学 | Moveable object locating picking and placing device |
| CN103085056A (en) * | 2013-01-28 | 2013-05-08 | 河南理工大学 | Underground coal mine disaster information detection robot platform |
| CN103345249A (en) * | 2013-07-09 | 2013-10-09 | 杭州电子科技大学 | Rectangular coordinate robot positioning system and method based on saliency of target |
| CN103345249B (en) * | 2013-07-09 | 2015-11-18 | 杭州电子科技大学 | A kind of Cartesian robot localization method of based target conspicuousness |
| CN104626135A (en) * | 2013-11-12 | 2015-05-20 | 宁夏巨能机器人系统有限公司 | Bearing inner ring line four-shaft mechanical hand |
| CN104931091A (en) * | 2015-06-24 | 2015-09-23 | 金陵科技学院 | Bionic robot fish measuring platform and using method thereof |
| CN104931091B (en) * | 2015-06-24 | 2016-12-21 | 金陵科技学院 | A kind of bionic machine fish measuring table and using method thereof |
| CN109048860A (en) * | 2018-08-30 | 2018-12-21 | 南京禹智智能科技有限公司 | A kind of industrial robot mobile platform |
| CN109048860B (en) * | 2018-08-30 | 2019-06-14 | 南京禹智智能科技有限公司 | A kind of industrial robot mobile platform |
| KR20200051072A (en) * | 2018-11-01 | 2020-05-13 | 주식회사 정상 | a cap assembly apparatus |
| KR102176836B1 (en) * | 2018-11-01 | 2020-11-12 | 주식회사 정상 | a cap assembly apparatus |
| CN109185630A (en) * | 2018-11-14 | 2019-01-11 | 哈尔滨理工大学 | A kind of support and position regulator for stereoscopic vision shooting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040715 |
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| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040715 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |