CN100398978C - Manual image measuring instrument - Google Patents

Manual image measuring instrument Download PDF

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Publication number
CN100398978C
CN100398978C CNB2005101017208A CN200510101720A CN100398978C CN 100398978 C CN100398978 C CN 100398978C CN B2005101017208 A CNB2005101017208 A CN B2005101017208A CN 200510101720 A CN200510101720 A CN 200510101720A CN 100398978 C CN100398978 C CN 100398978C
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CN
China
Prior art keywords
fixed
web joint
ccd camera
measuring instrument
image measuring
Prior art date
Application number
CNB2005101017208A
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Chinese (zh)
Other versions
CN1776355A (en
Inventor
李迪
张舞杰
叶锋
Original Assignee
佛山市吉茂工业自动化技术有限公司
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Priority to CNB2005101017208A priority Critical patent/CN100398978C/en
Publication of CN1776355A publication Critical patent/CN1776355A/en
Application granted granted Critical
Publication of CN100398978C publication Critical patent/CN100398978C/en

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Abstract

The present invention has the goal of providing a manual image measuring instrument for enhancing the measurement precision and reducing errors. A CCD camera and a zoom lens are connected by an adjustment device and are fixed on a fixed adjustment device of a video camera and a microscope by a lens clamp. Subsequently, the fixed adjustment device of the video camera and the microscope is fixed on a connecting plate on a z axis by a connecting basal plate and bolts, and the connecting plate on the z axis is fixed on a nut on the Z-axis. A z direction driving axle on the z axis direction is connected with the nut in a screw way, and simultaneously, both ends of the z direction driving axle are fixed at the lower end of an upright post by a bearing seat and are connected with a horizontal driving axle on the z direction by helical bevel gears. The z direction driving axle can rotate by a hand wheel on the horizontal driving axle installed on the z direction in a rotary way and a bevel gear pair so that the nut and the connecting plate fixed on the z axis direction move up and down along a guide rail on the z direction.

Description

A kind of manual image measuring instrument
Technical field:
The present invention relates to the surveying instrument technical field, refer in particular to a kind of high precision manual image measuring instrument of easy adjusting.
Background technology:
Along with improving constantly of industrial processing and manufacturing level, the size of detected product is constantly reducing, and therefore detection means has been proposed new requirement, and detection method in the past such as manual detection can not adapt to new detection requirement.The Computer Vision Detection technology is flexible good because of having, and noncontact rapidly and efficiently waits characteristics, has obtained widespread use in industrial detection.In Computer Vision Detection, the adjustment of hardware and demarcate most important, wherein the adjustment of CCD camera and zoom lens is one of crucial, and therefore the center that must guarantee the center of CCD camera and zoom lens before measuring should guarantee this easy to adjust reliable on same axis.Yet at present, being connected of the CCD camera of image measurer and zoom lens is to adopt c-mount to connect, and the center of CCD camera and the center of zoom lens can not be regulated; Microscopical fixed form all is the uncontrollable fixed form that adopts, and therefore, whether the center of zoom lens is vertical with worktable, is to guarantee by machining fully, can not regulate, and the verticality of zoom lens and worktable is difficult to guarantee.Because above-mentioned two aspects are difficult to the accuracy that assurance is measured in the process of measuring.Simultaneously the mobile of Z axle is to regulate by the handle that is installed on the Z axle in the prior art, therefore regulates very inconvenient in the process of measuring, and do not have counter weight device in the prior art constructions in addition, and therefore the resistance of regulating is bigger; Between base and the supporting seat and the bottom of supporting seat does not have adjusting gear, and the levelness of worktable is also had considerable influence.
Summary of the invention:
The object of the present invention is to provide a kind of manual image measuring instrument that improves measuring accuracy, reduces error.
For achieving the above object, technical scheme provided by the invention is: connect by the register pin location and by bolt between column and the base, the support component of forming whole manual image measuring system, the moving component of Z-direction is by being bolted on the column, CCD camera and zoom lens connect by the adjusting gear between them and fix on video camera and microscope fixedly on the adjusting gear by the zoom lens clamping, video camera and microscope fixedly adjusting gear then by being connected on the web joint that substrate is fixed by bolts to the Z axle; Web joint on the Z axle is fixed on the nut of Z axle, and between the Z direction transmission shaft of Z-direction and nut by being threaded, Z direction transmission shaft two ends are fixed on column lower end by bearing seat and are connected with Z direction horizontal drive shaft by spiral bevel gear.By being rotatably installed in the handwheel on the Z direction horizontal drive shaft, by bevel gear pair Z direction transmission shaft is rotated, thereby make nut and with it the web joint of fixing Z-direction move up and down along the guide rail of Z direction.
The zoom lens of using between described video camera and the microscope is connected specifically being connected to of adjusting gear with the CCD camera, video camera and zoom lens and be connected integral body that adjusting gear forms by the through hole on the varifocal mirror head-clamp and screw retention on the varifocal mirror head-clamp, the varifocal mirror head-clamp by screw retention on header board, second side plate is screwed on second web joint, and second web joint sells by briquetting and second and second adjusting is bolted on first web joint, spring and thimble are installed on the endoporus of screw, screw is fixed on second web joint by being threaded, first regulates bolt is fixed on first web joint by being threaded, block by screw retention on first web joint, first web joint is fixed on by adjusting screw and spring and pin and is connected on the substrate, first pin is connected with two first side plates by pin-and-hole, first side plate is connecting on the substrate by screw retention, and whole device is by connecting on the web joint on the Z axle that is bolted to image measurer on the substrate.
Zoom lens is connected specifically being connected to of adjusting gear with the CCD camera: CCD camera link is connected with sunk screw with gland, the zoom lens link is placed between CCD camera link and the gland, be in the CCD camera link, and adjust its position in CCD camera link with round head screw.
Describedly also designed counter weight device in Z-direction, an end of counterweight is connected with steel wire, and the other end of wire rope is fixed on the upper end of the web joint of Z axle.
The XY worktable of described measuring instrument is by being bolted on the base.
Described directions X grating chi is screwed the left part in XY worktable, and right part is that the directions X transmission shaft is fixed on it by two bearing seats, and has locking device.
Described Y direction grating chi is screwed the rear portion in XY worktable, and the front portion is that Y direction transmission shaft is fixed on it by two bearing seats, and has locking device.
Light source of the described end is screwed on base by bracing or strutting arrangement, adjusts seat by being bolted on the supporting seat.
The present invention adopts and adds the adjustment coupling arrangement between CCD camera and the zoom lens, can guarantee the center of CCD camera and the center of zoom lens are adjusted on the same axis, the adjustable coupling arrangement of fixedly employing of CCD camera and zoom lens guarantees CCD camera and the center of zoom lens and the central vertical of worktable.Thereby, guaranteed measuring accuracy, reduced the measuring error that causes for above-mentioned reasons, Z-direction adopts counter weight device, has reduced the resistance that Z-direction moves up and down.The gear train that passes through that moves of Z axle is changed on base and operating.So just make the adjusting of Z axle more convenient to operate.
Description of drawings:
The present invention is described further below in conjunction with accompanying drawing,
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the structural representation that zoom lens and CCD camera are connected adjusting gear;
Accompanying drawing 3 is the B-B cut-open view of accompanying drawing 2;
Accompanying drawing 4 is the structural representation that zoom lens and CCD camera are connected adjusting gear.
Embodiment:
Preferred embodiment of the present invention mainly is made of following several parts: imaging system (comprising: zoom lens, CCD camera and image pick-up card etc.), illuminator (light source, light source controller), kinematic system (Z axle/X, Y worktable), software and auxiliary member (supporting seat, adjustment seat, grating chi etc.) etc. are formed.
See shown in the accompanying drawing 1: connect by the register pin location and by bolt between column 1 and the base 29, form the support component of whole manual image measuring system.The moving component of Z-direction is by being bolted on the column.CCD camera 6 and zoom lens 16 connect by the adjusting gear between them and are fixed on video camera and microscope fixedly on the adjusting gear by camera lens folder 11, video camera and microscope fixedly adjusting gear then by being connected on the web joint that substrate is fixed by bolts to the Z axle.Web joint on the Z axle is fixed on the nut of Z axle, and between the Z direction transmission shaft 24 of Z-direction and nut by being threaded, Z direction transmission shaft 24 two ends are fixed on column 4 lower ends by bearing seat and are connected with Z direction horizontal drive shaft 23 by spiral bevel gear 19.By being rotatably installed in the handwheel on the Z direction horizontal drive shaft 23, by bevel gear pair Z direction transmission shaft 24 is rotated, thereby the web joint of the Z-direction that makes nut and fix with it moves up and down along the guide rail of Z direction, and video camera mounted thereto like this and microscope fixedly adjusting gear just can make camera lens move up and down in Z-direction.Thereby adjust the operating distance of camera lens under different enlargement ratios.Z direction grating chi 2 on column 2, just can carry out height measurement by the focusing judgement of software and the reading of Z direction grating chi by screw retention.Also designed counter weight device in Z-direction.One end of counterweight 14 is connected with steel wire, and the other end of wire rope is fixed on the upper end of the web joint of Z axle, like this when camera lens moves up and down, just can reduce the resistance when mobile, plays the labour-saving effect.XY worktable is by being bolted on the marmorean base 29.The left side that directions X grating chi 20 is screwed in XY worktable, the right are that directions X transmission shaft 21 is fixed on it by two bearing seats, and have locking device, prevent to move in the process of measuring.The back that Y direction grating chi 17 is screwed in XY worktable, front are that Y direction transmission shaft 22 is fixed on it by two bearing seats, and have locking device, prevent to move in the process of measuring.End light source 25 is screwed on base 29 by bracing or strutting arrangement.Adjust seat 30 by being bolted on the supporting seat 31.
See shown in accompanying drawing 2~accompanying drawing 3: the zoom lens of using between video camera and the microscope is connected adjusting gear and connects with the CCD camera, video camera and zoom lens and be connected integral body that adjusting gear forms by the through hole on the varifocal mirror head-clamp 11 and screw retention on varifocal mirror head-clamp 11, varifocal mirror head-clamp 11 by screw retention on header board 15, second side plate 5 is screwed on second web joint 13, and second web joint 13 is fixed on first web joint 12 by briquetting 4 and second pin, the 3 and second adjusting bolt 27, spring 32 and thimble 31 are installed on the endoporus of screw 33, screw 33 is fixed on by being threaded on second web joint 13, second regulates bolt 27 is fixed on by being threaded on first web joint 12, block 34 by screw retention on first web joint 12.First web joint 12 is fixed on by adjusting screw 29 and spring 32 and first pin 28 and is connected on the substrate 26.First pin 28 is connected with two first side plates 30 by pin-and-hole, first side plate 30 is connecting on the substrate 26 by two screw retention, first regulates bolt 35 is fixed on by being threaded on first web joint 12, and whole device is by connecting on the web joint on the Z axle that is bolted to image measurer on the substrate.
See shown in the accompanying drawing 4: zoom lens is connected specifically being connected to of adjusting gear with the CCD camera: CCD camera link 9 is connected with gland 10 usefulness sunk screws 37, zoom lens link 7 is placed between CCD camera link 9 and the gland 10, be in the CCD camera link 9, and adjust its position in CCD camera link with round head screw 8.
The course of work and principle of work below in conjunction with this preferred embodiment and main device thereof further specify this manual image measuring instrument:
The course of work of this preferred embodiment and principle of work are: measured workpiece is placed on the optical glass of worktable, captures the image of testee by optical imaging system (light source, zoom lens, ccd video camera).Then, by special image measurement software the tested pel in the image is measured.Moving of objective table mainly is by finishing in the anodontia lead screw transmission mechanism of X, Y direction, simultaneously have on this both direction locking device with the process that prevents from measuring in the moving of worktable, the height of Z-direction adjusted zoom lens mainly is to finish by the gear train of screw mandrel and nut and guide rail and spiral bevel gear pair composition, as can be seen from Figure, the height of zoom lens motionless zoom lens is to finish by the rotation that rotation is installed in the handwheel on the table base, wants laborsaving and convenient on the Z axle with handwheel is installed in the past relatively like this.Simultaneously, on Z-direction, installed balancing weight, made mobile Z axle more easily laborsaving.
The course of work of the adjustable stationary installation of CCD camera and zoom lens and principle of work are: CCD camera and zoom lens are linked together by above-mentioned coupling arrangement, then CCD camera and zoom lens are fixed on the adjustable stationary installation by the zoom lens clamping among the figure, stationary installation is fixed on the Z axle of image measurer by web joint, among Fig. 3 second regulated bolt 27 to be unclamped, just can be by adjusting screw 8 and adjusting screw 29 second web joints 13 around 3 rotations of second pin, the center line that so just can regulate zoom lens and CCD camera is at directions X and X, angle between the Y plane.The angle of the center line that just can regulate zoom lens and CCD camera by the tightness of regulating adjusting screw 29 (there is spring at the back side) between Y direction and X, Y plane, by the adjusting of above both direction, just can adjust the axle center of CCD camera and zoom lens vertical with worktable.
Zoom lens is connected adjusting gear with the CCD camera the course of work and principle of work are: the CCD camera is fixed on the CCD camera link by the external thread on the CCD camera link, microscopical zoom lens is fixed on the zoom lens link by the internal thread on the zoom lens link, regulate by the round head screw on the CCD camera link, the zoom lens link can move between CCD camera link and gland, just can regulate the center of CCD camera and the center of zoom lens by the zoom lens motionless zoom lens link, make it to overlap.
The embodiment of the above is preferred embodiment of the present invention only, is not to limit practical range of the present invention with this, so the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be covered by in protection scope of the present invention.

Claims (8)

1. manual image measuring instrument, connect by the register pin location and by bolt between column and the base, the support component of forming whole manual image measuring system, the moving component of Z-direction is by being bolted on the column, it is characterized in that: CCD camera and zoom lens connect by the adjusting gear between them and fix on video camera and microscope fixedly on the adjusting gear by the camera lens clamping, video camera and microscope fixedly adjusting gear then by being connected on the web joint that substrate is fixed by bolts to the Z axle; Web joint on the Z axle is fixed on the nut of Z axle, and between the Z direction transmission shaft of Z-direction and nut by being threaded, Z direction transmission shaft two ends are fixed on column lower end by bearing seat, be connected with Z direction horizontal drive shaft by spiral bevel gear, by being rotatably installed in the handwheel on the Z direction horizontal drive shaft, by bevel gear pair Z direction transmission shaft is rotated, thus make nut and with it the web joint of fixing Z-direction move up and down along the guide rail of Z direction.
2. a kind of manual image measuring instrument according to claim 1, it is characterized in that: the zoom lens of using between video camera and the microscope is connected specifically being connected to of adjusting gear with the CCD camera, video camera and zoom lens and be connected integral body that adjusting gear forms by the through hole on the varifocal mirror head-clamp and screw retention on the varifocal mirror head-clamp, the varifocal mirror head-clamp by screw retention on header board, second side plate is screwed on second web joint, and second web joint sells by briquetting and second and second adjusting is bolted on first web joint, spring and thimble are installed on the endoporus of screw, screw is fixed on second web joint by being threaded, first regulates bolt is fixed on first web joint by being threaded, block by screw retention on first web joint, first web joint is fixed on by adjusting screw and spring and pin and is connected on the substrate, first pin is connected with two first side plates by pin-and-hole, first side plate is connecting on the substrate by screw retention, and whole device is by connecting on the web joint on the Z axle that is bolted to image measurer on the substrate.
3. a kind of manual image measuring instrument according to claim 1, it is characterized in that: camera lens is connected specifically being connected to of adjusting gear with the CCD camera: CCD camera link is connected with sunk screw with gland, the zoom lens link is placed between CCD camera link and the gland, be in the CCD camera link, and adjust its position in CCD camera link with round head screw.
4. a kind of manual image measuring instrument according to claim 1 is characterized in that: also designed counter weight device in Z-direction, an end of counterweight is connected with steel wire, and the other end of wire rope is fixed on the upper end of the web joint of Z axle.
5. a kind of manual image measuring instrument according to claim 1 is characterized in that: the XY worktable of measuring instrument is by being bolted on the base.
6. a kind of manual image measuring instrument according to claim 1 is characterized in that: directions X grating chi is screwed the left part in XY worktable, and right part is that the directions X transmission shaft is fixed on it by two bearing seats, and has locking device.
7. a kind of manual image measuring instrument according to claim 1 is characterized in that: Y direction grating chi is screwed the rear portion in XY worktable, and the front portion is that Y direction transmission shaft is fixed on it by two bearing seats, and has locking device.
8. a kind of manual image measuring instrument according to claim 1 is characterized in that: end light source is screwed on base by bracing or strutting arrangement, adjusts seat by being bolted on the supporting seat.
CNB2005101017208A 2005-11-23 2005-11-23 Manual image measuring instrument CN100398978C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005101017208A CN100398978C (en) 2005-11-23 2005-11-23 Manual image measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005101017208A CN100398978C (en) 2005-11-23 2005-11-23 Manual image measuring instrument

Publications (2)

Publication Number Publication Date
CN1776355A CN1776355A (en) 2006-05-24
CN100398978C true CN100398978C (en) 2008-07-02

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101191720B (en) * 2006-12-01 2011-03-30 鸿富锦精密工业(深圳)有限公司 Image measuring device
CN102032504B (en) * 2009-09-24 2014-04-30 鸿富锦精密工业(深圳)有限公司 Light source for image measuring apparatus
CN101819157A (en) * 2010-04-27 2010-09-01 东华大学 Spinning plate detector
CN102645159A (en) * 2011-02-22 2012-08-22 贺明志 Image measuring device
CN102636111A (en) * 2012-03-30 2012-08-15 苏州怡信光电科技有限公司 Workpiece movement positioning device for image measuring instrument
CN102636136A (en) * 2012-04-13 2012-08-15 苏州怡信光电科技有限公司 Z-axis test structure for three-coordinate testing instrument
CN103673875A (en) * 2012-09-25 2014-03-26 昆山尚达智机械有限公司 Image measuring device
CN104990511A (en) * 2015-07-21 2015-10-21 苏州佳祺仕信息科技有限公司 Threaded hole structure quality detection method
CN105066890A (en) * 2015-07-21 2015-11-18 苏州佳祺仕信息科技有限公司 Threaded hole detection device
CN105319829B (en) * 2015-12-04 2018-08-10 张家港斯克斯精密机械科技有限公司 A kind of device measuring camera lens focal length Focusing parameter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285568A (en) * 1979-08-13 1981-08-25 Alan Elgart Microscope stage
CN2164018Y (en) * 1993-07-09 1994-05-04 重庆大学 Laser scanning curved surface measuring device
CN1132358A (en) * 1994-12-07 1996-10-02 三星电管株式会社 Video microscope
CN2541816Y (en) * 2002-05-13 2003-03-26 南京师范大学 Large vision field image measuring microscope
CN2593218Y (en) * 2002-10-25 2003-12-17 董茂 Auto-focusing, auto-tracing microscope

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285568A (en) * 1979-08-13 1981-08-25 Alan Elgart Microscope stage
CN2164018Y (en) * 1993-07-09 1994-05-04 重庆大学 Laser scanning curved surface measuring device
CN1132358A (en) * 1994-12-07 1996-10-02 三星电管株式会社 Video microscope
CN2541816Y (en) * 2002-05-13 2003-03-26 南京师范大学 Large vision field image measuring microscope
CN2593218Y (en) * 2002-10-25 2003-12-17 董茂 Auto-focusing, auto-tracing microscope

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