CN207703156U - A kind of image collecting device for shaft part size - Google Patents
A kind of image collecting device for shaft part size Download PDFInfo
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- CN207703156U CN207703156U CN201721626187.1U CN201721626187U CN207703156U CN 207703156 U CN207703156 U CN 207703156U CN 201721626187 U CN201721626187 U CN 201721626187U CN 207703156 U CN207703156 U CN 207703156U
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- screw
- guide rail
- thimble
- sliding block
- image collecting
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Abstract
A kind of image collecting device for shaft part size.Its technical solution is：Described device is made of mounting bracket (1), image capturing system (2), mobile system (3) and area source (4).The telecentric lens (13) of described image acquisition system (2) are connect with area array CCD camera (12), and area array CCD camera (12) is fixed on by fastening frame (11) and crane (10) on moving beam (6).The lazy-tongs (17) and short fixture (20) of mobile system (3) are actively placed in by respective sliding block on the first guide rail (7) and the second guide rail (8) of mounting bracket (1)；Ball-screw (16) is threadedly coupled with the feed screw nut (28) of lazy-tongs (17), the other end and servo motor (14) axis connection of ball-screw (16).Area source (4) is located at the lower section of mobile system (3).The utility model has the characteristics that compact-sized, picture quality is high and adaptable, and reliable basis is provided for subsequent image procossing.
Description
Technical field
The utility model belongs to shaft part size image collecting device technical field.It being used for axis class zero more particularly to one kind
The image collecting device of part size.
Background technology
Industrial intelligentization development historical background under, manufacturing industry wants Improving The Quality of Products, in addition to reinforce research strength and
Outside management and control ability, detection means etc. should be also promoted and improved.Traditional artificial detection means, such as vernier caliper, interferometer, amount
It advises, be measured microscopically no longer adaptation intelligence production.With regard at present, domestic many manufacturing industry are for the size detection of part, inspection
Survey work also rests on simple artificial vision or artificial vision and is combined to product progress manually with mechanical gauge, optical instrument
The stage of sampling observation.Using the size detecting device based on machine vision, not only can be to avoid artificial detection the shortcomings that, but also can be real
Automatic detection now quick to processing part, accurate and non-contacting.
The characteristics of NI Vision Builder for Automated Inspection is the flexibility and the degree of automation for improving production.It is not suitable for manual work at some
Dangerous work environment or artificial vision be difficult to the occasion met the requirements, machine in normal service vision substitutes artificial vision；Exist simultaneously
In high-volume industrial processes, production efficiency and the automation journey of production can be greatly improved with machine vision detection method
Degree.And machine vision is easily achieved information integration, is to realize the basic technology of computer integrated manufacturing system, therefore cause this field skill
The extensive concern of art personnel.
" vision measurement device of large-scale part " (101349542 B of CN) patented technology, be it is a kind of utilize machine vision
Obtain the vision measurement device of the large-scale part of accessory size.Annular light source is had chosen in its device and uses front illumination side
Formula, this can cause the light and dark gray scale of image uneven the Image Acquisition of curved surface part, be impacted to subsequent image procossing；
Camera lens uses wide-angle lens, cannot overcome parallax, for there is the dimensional measurement of certain depth to be not easy to realize；Without clamping device,
It cannot fix well and locating element.
Invention content
The utility model be intended to overcome prior art defect, and it is an object of the present invention to provide a kind of compact-sized, picture quality it is high and
The adaptable image collecting device for shaft part size provides reliable basis for subsequent image processing.
To achieve the above object, the technical solution adopted in the utility model is：Described device is by mounting bracket, Image Acquisition system
System, mobile system and area source composition.Described image acquisition system is mounted on the top of mounting bracket, and mobile system is fixed on installation
The lower part of frame, area source are located at the lower section of mobile system.
Mounting bracket is made of supporting rack, moving beam, the first guide rail, the second guide rail and motor cabinet.Support frame as described above is length
Cube frame, front and back two crossbeams at the top of support frame as described above are symmetrically equipped with 8~20 the first screw holes, and first screw hole leans on
The side of nearly top right crossbeam；Moving beam is fixedly connected by screw with the first screw hole, and the moving beam is evenly provided with 8
~16 the second screw holes, the second screw hole is close to the front side of moving beam.
First guide rail and the second guide rail are fixed on the left crossbeam of support frame bottom and right crossbeam, the first guide rail and the second guide rail
With left beam vertical；It is flatly equipped with motor cabinet in the outside of the left crossbeam of support frame bottom.
Image capturing system is made of crane, fastening frame, area array CCD camera and telecentric lens.The fastening frame is two
The L-type that a orthogonal plane is constituted is whole, and the vertical plane for fastening frame is fixedly connected with the side of crane.The face battle array
The upper end of CCD cameras is fixedly connected with the horizontal plane for fastening frame, and the telecentric lens are connect with area array CCD camera.The lifting
Frame is fixedly connected by screw with the second screw hole of moving beam.
Mobile system include servo motor, left shaft holder, ball-screw, lazy-tongs, right axle bearing, screw rod, short fixture and
Nut.
The lazy-tongs include long slab, right thimble seat, the second right sliding block, screw holder, right thimble, the first right sliding block and
Feed screw nut.The right thimble is mounted on the upper surface of long slab by right thimble seat, and the right thimble is close to the front side of long slab；Institute
The lower surface for stating long slab is fixed with the second right sliding block, screw holder, the first right sliding block and leading screw spiral shell from front side to rear side successively
It is female.
The short fixture includes short slab, left thimble seat, left thimble, the second left slider, screw slide seat and the first left slider.
The left thimble is mounted on the upper surface of short slab by left thimble seat；The left thimble close to the front side of short slab, the short slab
Lower surface is sequentially installed with the second left slider, screw slide seat and the first left slider from front side to rear side；The center line of left thimble
Center line with right thimble is same horizontal line, and the horizontal line is parallel with the axis of screw rod and is located at same vertical plane, screw rod
Axis it is parallel with ball-screw；First right sliding block and the first left slider are located on the first guide rail；Second right sliding block and second left side
Sliding block is located on the second guide rail.
One end of the ball-screw is mounted on by the feed screw nut of lazy-tongs in right axle bearing, ball-screw it is another
Across left shaft holder and servo motor axis connection, ball-screw is parallel with the first guide rail at end；Servo motor is fixedly mounted on motor
On seat.
One end of screw rod is fixed on screw holder, and the other end of screw rod is connect across screw slide seat with nut thread.
Area source is fixed on a mounting board, and the both sides of the mounting plate are accordingly fixed on the first guide rail and the second guide rail
Lower plane, the upper surface of area source and the optical axis of telecentric lens are mutually perpendicular to.
The aperture of first screw hole is 4~8mm, and the pitch-row of the first screw hole is 6~10mm.
The aperture of second screw hole is 4~8mm, and the pitch-row of the second screw hole is 6~8mm.
A diameter of 3~5mm of the screw rod.
The center position of the screw slide seat is flatly equipped with through-hole in left-right direction.
When the shaft part size image collecting device works, the lazy-tongs and short fixture fasten axis to be measured by nut
Class part, servo motor drive ball screw turns, and the convert rotational motion of ball-screw is linear motion by feed screw nut, long
It is fixed with feed screw nut on plate, lazy-tongs and short fixture is made to move along the rail, and by the underface of telecentric lens.Wherein long folder
Tool and short fixture do intermittent movement opposing stationaryly, move fixed distance every time, area array CCD camera is clapped by telecentric lens
The measured workpiece Local map of several overlappings is taken the photograph, until measured workpiece to be clapped to complete, completion image acquisition process.
Due to the adoption of the above technical scheme, the utility model has following good effect compared with prior art：
The first, the utility model proposes a kind of axial workpiece fixtures, are applicable not only to minimum diameter and are more than screw diameter
Medium and small axial workpiece, may be particularly applicable to the large-size axis parts class zero that maximum gauge is less than 500mm less than 50mm and maximum length
Part, it is adaptable.
The second, the utility model is utilized area source and backwards to lighting system, and the curved surface to being tested axial workpiece will not be made
At the non-uniform phenomenon of gray scale, picture quality is high.
Third, the utility model image capturing system used telecentric lens, telecentric lens have high-resolution, low abnormal
Become and the characteristics of the ultra-wide depth of field, can be in certain object distance range, so as to get image magnification multiplying power will not be with the change of object distance
Change and change, picture quality can be significantly improved.
4th, the utility model provides contactless Videogrammetry for large-size axis parts, effectively instead of
Manual measurement technology improves the flexibility and automation of production.
5th, the utility model provides the high image collecting device of image quality for large-size axis parts, is follow-up
Image procossing provide reliable foundation.
6th, the utility model is integrated with image capturing system and mobile system, compact in structure and convenient to use, can be effective
Realization large-size axis parts high image quality measure, can be very good adapt to site environment.
Therefore, the utility model has the characteristics that compact-sized, picture quality is high and adaptable, is at subsequent image
Reason provides reliable basis.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of mounting bracket 1 in Fig. 1；
Fig. 3 is the enlarged diagram of image capturing system 2 in Fig. 1；
Fig. 4 is the enlarged diagram of mobile system 3 in Fig. 1；
Fig. 5 is the enlarged diagram of lazy-tongs 17 in Fig. 4；
Fig. 6 is the enlarged diagram of short fixture 20 in Fig. 4.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and detailed description, so as to the utility model
Specific implementation mode and some details have more thorough explanation.But those skilled in the art will recognize, to many institutes
Known structure is not shown or is described in detail.
Embodiment 1
A kind of image collecting device for shaft part size.As shown in Figure 1, described device is adopted by mounting bracket 1, image
Collecting system 2, mobile system 3 and area source 4 form.Described image acquisition system 2 is mounted on the top of mounting bracket 1, mobile system 3
It is fixed on the lower part of mounting bracket 1, area source 4 is located at the lower section of mobile system 3.
As shown in Fig. 2, mounting bracket 1 is by 9 groups of supporting rack 5, moving beam 6, the first guide rail 7, the second guide rail 8 and motor cabinet
At.Support frame as described above 5 is cuboid framework, and front and back two crossbeams at 5 top of support frame as described above are symmetrically equipped with 10 the first spiral shells
Hole, first screw hole is close to the side of top right crossbeam；Moving beam 6 is fixedly connected by screw with the first screw hole, described
Moving beam 6 is evenly provided with 12 the second screw holes, and the second screw hole is close to the front side of moving beam 6.
As shown in Fig. 2, the first guide rail 7 and the second guide rail 8 are fixed on the left crossbeam in 5 bottom of supporting rack and right crossbeam, first
Guide rail 7 and the second guide rail 8 and left beam vertical；In 5 bottom of supporting rack, the outside of left crossbeam is flatly equipped with motor cabinet 9.
As shown in figure 3, image capturing system 2 is by crane 10, fastening frame 11, area array CCD camera 12 and telecentric lens 13
Composition.The L-type entirety for fastening frame 11 and being made of two orthogonal planes, fastens the vertical plane and crane of frame 11
10 side is fixedly connected.The upper end of the area array CCD camera 12 is fixedly connected with the horizontal plane for fastening frame 11, the telecentric mirror
First 13 connect with area array CCD camera 12.The crane 10 is fixedly connected by screw with the second screw hole of moving beam 6.
As shown in figure 4, mobile system 3 includes servo motor 14, left shaft holder 15, ball-screw 16, lazy-tongs 17, right axle
Bearing 18, screw rod 19, short fixture 20 and nut 21.
As shown in figure 5, the lazy-tongs 17 includes long slab 22, right thimble seat 23, the second right sliding block 24, screw holder
25, right thimble 26, the first right sliding block 27 and feed screw nut 28.The right thimble 26 is mounted on long slab 22 by right thimble seat 23
Upper surface, the right thimble 26 is close to the front side of long slab 22；The lower surface of the long slab is fixed with from front side to rear side successively
Two right sliding blocks 24, screw holder 25, the first right sliding block 27 and feed screw nut 28.
As shown in fig. 6, the short fixture 20 includes short slab 29, left thimble seat 30, left thimble 31, the second left slider 32, spiral shell
Bar sliding seat 33 and the first left slider 34.The left thimble 31 is mounted on the upper surface of short slab 29 by left thimble seat 30；It is described
Left thimble 31 is sequentially installed with the second left slider close to the front side of short slab 29, the lower surface of the short slab 29 from front side to rear side
32, screw slide seat 33 and the first left slider 34；The center line of the center line of left thimble 31 and right thimble 26 is same horizontal line,
The horizontal line is parallel with the axis of screw rod 19 and is located at same vertical plane, and the axis of screw rod 19 is parallel with ball-screw 16；The
One right sliding block 27 and the first left slider 34 are located on the first guide rail 7；Second right sliding block 24 and the second left slider 32 are led positioned at second
On rail 8.
As shown in figure 4, one end of the ball-screw 16 is mounted on right axle bearing by the feed screw nut 28 of lazy-tongs 17
In 18, the other end of ball-screw 16 passes through left shaft holder 15 and 14 axis connection of servo motor.As shown in Figure 2 and Figure 4, ball
Leading screw 16 is parallel with the first guide rail 7；Servo motor 14 is fixedly mounted on motor cabinet 9.
As shown in figure 4, one end of screw rod 19 is fixed on screw holder 25, the other end of screw rod 19 passes through screw slide seat
33 are threadedly coupled with nut 21.
As depicted in figs. 1 and 2, area source 4 is fixed on a mounting board, and the both sides of the mounting plate are accordingly fixed on first
The lower plane of guide rail 7 and the second guide rail 8, the upper surface of area source 4 and the optical axis of telecentric lens 13 are mutually perpendicular to.
The aperture of first screw hole is 4mm, and the pitch-row of the first screw hole is 6mm.
The aperture of second screw hole is 4mm, and the pitch-row of the second screw hole is 6mm.
A diameter of 3mm of the screw rod 19.
The center position of the screw slide seat 33 is flatly equipped with through-hole in left-right direction.
Embodiment 2
A kind of image collecting device for shaft part size.In addition to following technical parameters, remaining is the same as embodiment 1：
Front and back two crossbeams at 5 top of support frame as described above are symmetrically equipped with 8,9 or 11~20 the first screw holes；
The moving beam 6 is evenly provided with 8~11 or 13~16 the second screw holes；
The aperture of first screw hole is 5~8mm, and the pitch-row of the first screw hole is 7~10mm；
The aperture of second screw hole is 5~8mm, and the pitch-row of the second screw hole is 7mm or 8mm；
The a diameter of 4mm or 5mm of the screw rod 19.
When present embodiment works, the lazy-tongs 17 and short fixture 20 fasten axis class zero to be measured by nut 21
Part, servo motor 14 drive ball-screw 16 to rotate, and feed screw nut 28 transports the convert rotational motion of ball-screw 16 for straight line
It is dynamic, it is fixed with feed screw nut 28 on long slab 22, lazy-tongs 17 and short fixture 20 is made to be moved along the first guide rail 7 and the second guide rail 8, and
By the underface of telecentric lens 13.Wherein lazy-tongs 17 and short fixture 20 does intermittent movement opposing stationaryly, mobile every time
Fixed distance, area array CCD camera 12 shoot the measured workpiece Local map of several overlappings by telecentric lens 13, until will be tested
Workpiece claps complete, completion image acquisition process.
Present embodiment has following good effect compared with prior art：
The first, present embodiment proposes a kind of axial workpiece fixture, is applicable not only to minimum diameter and is more than screw rod
The medium and small axial workpiece of 19 diameters may be particularly applicable to the large scale that maximum gauge is less than 500mm less than 50mm and maximum length
Axial workpiece, it is adaptable.
The second, present embodiment is utilized area source 4 and backwards to lighting system, to being tested the curved surface of axial workpiece not
The non-uniform phenomenon of gray scale, picture quality can be caused high.
Third, present embodiment image capturing system used telecentric lens 13, telecentric lens 13 have high score
Resolution, low distortion and the characteristics of the ultra-wide depth of field, can be in certain object distance range, so as to get image magnification multiplying power will not be with
The variation of object distance and change, picture quality can be significantly improved.
4th, present embodiment provides contactless Videogrammetry for large-size axis parts, effectively takes
For manual measurement technology, the flexibility and automation of production are improved.
5th, present embodiment provides the high image collecting device of image quality for large-size axis parts, is
Subsequent image procossing provides reliable foundation.
6th, present embodiment is integrated with image capturing system 2 and mobile system 3, compact in structure and convenient to use,
It can effectively realize that the high image quality of large-size axis parts measures, can be very good to adapt to site environment.
Therefore, present embodiment has the characteristics that compact-sized, picture quality is high and adaptable, is subsequent figure
As processing provides reliable basis.
Claims (5)
1. a kind of image collecting device for shaft part size, it is characterised in that described device is adopted by mounting bracket (1), image
Collecting system (2), mobile system (3) and area source (4) composition；Described image acquisition system (2) is fixed on the top of mounting bracket (1)
Portion, mobile system (3) are mounted on the lower part of mounting bracket (1), and area source (4) is located at the lower section of mobile system (3)；
Mounting bracket (1) is made of supporting rack (5), moving beam (6), the first guide rail (7), the second guide rail (8) and motor cabinet (9)；
Support frame as described above (5) is cuboid framework, and front and back two crossbeams at the top of support frame as described above (5) are symmetrically equipped with 8~20 the
One screw hole, first screw hole is close to the side of top right crossbeam；Moving beam (6) is fixed by screw and the first screw hole to be connected
It connects, the moving beam (6) is evenly provided with 8~16 the second screw holes, front side of second screw hole close to moving beam (6)；
First guide rail (7) and the second guide rail (8) are fixed on the left crossbeam in supporting rack (5) bottom and right crossbeam, the first guide rail (7) and
Second guide rail (8) and left beam vertical；In supporting rack (5) bottom, the outside of left crossbeam is flatly equipped with motor cabinet (9)；
Image capturing system (2) is made of crane (10), fastening frame (11), area array CCD camera (12) and telecentric lens (13)；
The L-type entirety for fastening frame (11) and being made of two orthogonal planes, fastens the vertical plane and crane of frame (11)
(10) side is fixedly connected；The upper end of the area array CCD camera (12) is fixedly connected with the horizontal plane for fastening frame (11), described
Telecentric lens (13) are connect with area array CCD camera (12)；The second spiral shell that the crane (10) passes through screw and moving beam (6)
Hole is fixedly connected；
Mobile system (3) includes servo motor (14), left shaft holder (15), ball-screw (16), lazy-tongs (17), right axle bearing
(18), screw rod (19), short fixture (20) and nut (21)；
The lazy-tongs (17) includes long slab (22), right thimble seat (23), the second right sliding block (24), screw holder (25), the right side
Thimble (26), the first right sliding block (27) and feed screw nut (28)；The right thimble (26) is mounted on length by right thimble seat (23)
The upper surface of plate (22), the right thimble (26) is close to the front side of long slab (22)；The lower surface of the long slab is from front side to rear side
It is fixed with the second right sliding block (24), screw holder (25), the first right sliding block (27) and feed screw nut (28) successively；
The short fixture (20) includes short slab (29), left thimble seat (30), left thimble (31), the second left slider (32), screw rod cunning
Dynamic seat (33) and the first left slider (34)；The left thimble (31) is mounted on the upper table of short slab (29) by left thimble seat (30)
Face；The left thimble (31) close to the front side of short slab (29), install successively from front side to rear side by the lower surface of the short slab (29)
There are the second left slider (32), screw slide seat (33) and the first left slider (34)；The center line and right thimble of left thimble (31)
(26) center line is same horizontal line, and the horizontal line is parallel with the axis of screw rod (19) and is located at same vertical plane, screw rod
(19) axis is parallel with ball-screw (16)；First right sliding block (27) and the first left slider (34) are located on the first guide rail (7)；
Second right sliding block (24) and the second left slider (32) are located on the second guide rail (8)；
One end of the ball-screw (16) is mounted on by the feed screw nut (28) of lazy-tongs (17) in right axle bearing (18), rolling
The other end of ballscrew (16) passes through left shaft holder (15) and servo motor (14) axis connection, ball-screw (16) and the first guide rail
(7) parallel；Servo motor (14) is fixedly mounted on motor cabinet (9)；
One end of screw rod (19) is fixed on screw holder (25), and the other end of screw rod (19) passes through screw slide seat (33) and spiral shell
Female (21) are threadedly coupled；
Area source (4) is fixed on a mounting board, and the both sides of the mounting plate are accordingly fixed on the first guide rail (7) and the second guide rail
(8) lower plane, the upper surface of area source (4) and the optical axis of telecentric lens (13) are mutually perpendicular to.
2. being used for the image collecting device of shaft part size as described in claim 1, it is characterised in that first screw hole
Aperture is 4~8mm, and the pitch-row of the first screw hole is 6~10mm.
3. being used for the image collecting device of shaft part size as described in claim 1, it is characterised in that second screw hole
Aperture is 4~8mm, and the pitch-row of the second screw hole is 6~8mm.
4. being used for the image collecting device of shaft part size as described in claim 1, it is characterised in that the screw rod (19)
A diameter of 3~5mm.
5. being used for the image collecting device of shaft part size as described in claim 1, it is characterised in that the screw slide seat
(33) center position is flatly equipped with through-hole in left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626187.1U CN207703156U (en) | 2017-11-27 | 2017-11-27 | A kind of image collecting device for shaft part size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626187.1U CN207703156U (en) | 2017-11-27 | 2017-11-27 | A kind of image collecting device for shaft part size |
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| Publication Number | Publication Date |
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| CN207703156U true CN207703156U (en) | 2018-08-07 |
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ID=63024165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721626187.1U Active CN207703156U (en) | 2017-11-27 | 2017-11-27 | A kind of image collecting device for shaft part size |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020159A (en) * | 2017-11-27 | 2018-05-11 | 武汉科技大学 | Shaft part size image collecting device based on machine vision |
| CN112881410A (en) * | 2021-01-18 | 2021-06-01 | 合肥钛柯精密机械有限公司 | Multi-direction visual inspection table |
-
2017
- 2017-11-27 CN CN201721626187.1U patent/CN207703156U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020159A (en) * | 2017-11-27 | 2018-05-11 | 武汉科技大学 | Shaft part size image collecting device based on machine vision |
| CN108020159B (en) * | 2017-11-27 | 2023-08-15 | 武汉科技大学 | Shaft part size image acquisition device based on machine vision |
| CN112881410A (en) * | 2021-01-18 | 2021-06-01 | 合肥钛柯精密机械有限公司 | Multi-direction visual inspection table |
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