CN204924183U - Small -size part vision precision measurement appearance - Google Patents

Small -size part vision precision measurement appearance Download PDF

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Publication number
CN204924183U
CN204924183U CN201520669190.6U CN201520669190U CN204924183U CN 204924183 U CN204924183 U CN 204924183U CN 201520669190 U CN201520669190 U CN 201520669190U CN 204924183 U CN204924183 U CN 204924183U
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China
Prior art keywords
axis transfer
light source
camera
transfer
small size
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Expired - Fee Related
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CN201520669190.6U
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Chinese (zh)
Inventor
许桢英
王西秋
王匀
李健康
徐家祥
黄建斌
刘涵
姚涛
龙栎合
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Jiangsu University
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Jiangsu University
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Abstract

The utility model provides a small -size part vision precision measurement appearance, this measuring apparatu include mechanical body part, visual detection part, control section and light source part, the mechanical body part is including cantilever beam mounting bracket, stand, base and two -dimentional combination mobile bench formwork piece, the cantilever beam mounting bracket passes through the bolt and installs the stand upper end, the stand lower extreme is installed perpendicularly one side of base, two dimension combination mobile bench formwork piece is installed on the base, control section includes computer, singlechip controller and motor drive, the visual detection part is including image acquisition card, camera and camera lens, image acquisition card will camera to picture information send to the computer, the computer reachs through analysis processes and is surveyed the size of electric connector casing and the shape of defect. The utility model discloses can realize the rapid survey of electric connector casing, compensate that current artifical measuring speed is slow, the inefficiency, receive the not enough of man's activity.

Description

A kind of small size part vision precision measuring instrument
Technical field
The utility model relates to electric connector small size part vision precision measuring instrument, particularly a kind of use machine vision technique to carry out part size and defect carry out the instrument that automatically detects.
Background technology
In all kinds of electronic system, electric connector at device and device, assembly and assembly, carry out between system and system being electrically connected and signal transmission, be formation necessary base components of holonomic system.Along with the development of aerospace engineering, electronic communication engineering, electric connector is as the base components transmitting electric signal and electric energy, and utilization is in systems in which more and more wider.At present, the productive capacity of China's electric connector is very strong, and within 2010, my the Country electric connector output value reaches 82.5 hundred million dollars, has leapt to as second place of the world.But because China's electric connector industry is very weak in the common technology fundamental researchs such as quality control standards (QCS), reliability screening test method, vital part starting material and vital part processing technology, robotization quality inspection means and instrument lag far behind the developed countries such as the U.S. especially, cause the domestic electric connector of identical type spectrum compared with foreign well-known brand, in q&r, still there is certain gap.
Affect in the factor of the high-end electric connector housing product quality of China numerous, the inspection of its outward appearance geometry and morpheme size accounts for critical role.Apparent size inspection must examine project to the head that delivery product 100% carries out one by one when being the inspecton of quality conformity of electric connector encapsulating housing, is also to guarantee other acceptance test project and the qualified basis of periodic test project.At present, due to its size complexity, China, to the measurement of electric connector encapsulating housing apparent size, still uses the method that traditional vernier caliper, universal tool-measuring microscope, three coordinate measuring machine etc. are measured mostly, efficiency is low, cannot adapt to the industry requirement of develop rapidly in recent years.
Machine vision is a kind of new measurement means that development in recent years is got up, and obtains develop rapidly in recent years, and is applied to gradually in various commercial production.Adopt the automaticity that machine vision detection method can greatly be enhanced productivity and produce, and machine vision is easy to realize information integerated, is the basic technology realizing computer integrated manufacturing system.In recent years, along with development and the expansion day by day of applying in the industrial production thereof of machine vision technique, especially along with appearance and the application of miniaturization, high-density connector and assembly thereof, some machine vision metrology instrument technology detected for IT industry microelectronics, are now just progressively used in Some Domestic connector assembly.
But, although recent domestic research worker should be used as correlative study with regard to machine vision in electric connector Product checking, but the identification mainly concentrated on electric coupler component exterior appearance defect, and the high-precision rapid survey to its morpheme size, realize not yet completely, especially carry out dimensional measurement and defects detection and identification simultaneously, have no report especially.
Utility model content
The purpose of this utility model is to solve deficiency of the prior art, and provides a kind of small size part vision precision measuring instrument using machine vision technique to carry out electric connector size and defects detection.
The technical solution of the utility model is: a kind of small size part vision precision measuring instrument, comprises basic machine part, vision-based detection part and control section;
Described basic machine part comprises measuring instrument base modules and two-dimensional combination transfer table module; Described measuring instrument base modules comprises semi-girder erecting frame, column, base; Described semi-girder erecting frame is arranged on the upper end of described column by bolt, described column lower end is vertically mounted on the side of described base; Described two-dimensional combination transfer table module is arranged on described base, and described two-dimensional combination transfer table module parallels with described semi-girder erecting frame;
Described two-dimensional combination transfer table module comprises X-axis transfer table, Y-axis transfer table, ball-screw A, ball-screw B, motor A and motor B;
One end of described X-axis transfer table connects one end of described ball-screw A, and the other end of described ball-screw A connects described motor A, and described X-axis transfer table is connected with described base moving sets;
One end of described Y-axis transfer table connects one end of described ball-screw B, and the other end of described ball-screw B connects described motor B, and described Y-axis transfer table is connected with described X-axis transfer table moving sets;
Described control section comprises computing machine, singlechip controller and motor driver; One end of described singlechip controller is connected with described computing machine, and the other end is connected with one end of described motor driver, and the other end of described motor driver is connected with described motor A and described motor B;
Described vision-based detection part comprises image pick-up card, camera and camera lens; Described camera and described camera lens are threaded connection and are vertically mounted on described semi-girder erecting frame, described camera is connected by data line with one end of described image pick-up card, the other end of described image pick-up card is connected with described computing machine, described image pick-up card sends the pictorial information that described camera photographs to described computing machine, and described computing machine processes by analysis and draws the tested size of small size part and the shape of defect.
In such scheme, the both sides of described X-axis transfer table are fixed with slide block A, described base are fixed with two guide rail A, and described slide block A shape is on described guide rail A, and described slide block A can move in described guide rail A;
The both sides of described Y-axis transfer table are fixed with slide block B, described X-axis transfer table are fixed with two guide rail B, and described slide block B is arranged on described guide rail B, and described slide block B can move in described guide rail B.
In such scheme, also comprise the Lights section and Z axis transfer table;
The middle part mobile link of described Z axis transfer table and described column, described Z axis transfer table can move up and down along Z-direction on described column;
Described the Lights section comprises light source controller and light source, and one end of described light source controller is connected with described computing machine, and the other end is connected with described light source;
Described light source is fixedly connected with described Z axis transfer table.
In such scheme, described light source is connected by L-type web member and connecting link with described Z axis transfer table, one end of described light source and described connecting link is bolted, the other end of described connecting link and one end of described L-type web member are bolted, and the other end of described L-type web member is connected with described Z axis transfer table by bolt.
Further, described light source is LED annular light source.
Further, described Z axis transfer table is provided with through hole, and described through hole is strip, and described Z axis transfer table is connected through described through hole by bolt with described column.
In such scheme, described camera is CCD camera.
The beneficial effects of the utility model are:
1, the utility model adopts machine vision method, can realize the Quick Measurement of electric connector housing, compensate for that existing manual measurement speed is slow, efficiency is low, by the deficiency of man's activity, and only needs a machine to complete.
2, the described two-dimensional combination transfer table module that the utility model adopts can adjust the appearance position in X-axis and Y direction of tested small size part progressively under the control of motor, makes the tested small size part image photographed ensure placed in the middle and appearance position can be kept consistent.
3, the utility model can adjust the height of described light source by the fine setting of described Z axis transfer table, thus reduce the reflective of described tested small size piece surface, decrease the difficulty of image procossing, improve the precision of vision-based detection, reduce surround lighting simultaneously and change the impact brought.
4, the utility model can meet the real-time detection of different size electric connector housing, avoids because of viewing angle out of plumb, or the inaccurate measuring error caused of alignment that the factor such as illumination variation causes.
5, every data that the utility model achieves the electric connector of smallest number can manifest very soon, are convenient to staff and observe use.
6, the utility model precision is high, workable, applicability is good, work efficiency is high, is specially adapted to all kinds of electric connector housing Quick Measurement.
Accompanying drawing explanation
Fig. 1 is small size part vision precision measuring instrument one-piece construction schematic diagram described in the utility model.
Fig. 2 is small size part vision precision measuring instrument two-dimensional combination transfer table modular structure schematic diagram described in the utility model.
Fig. 3 is small size part vision precision measuring instrument two-dimensional combination transfer table module connection structure schematic diagram described in the utility model.
Fig. 4 is small size design of part schematic diagram tested described in example.
In figure: 1, computing machine; 2, image pick-up card; 3, light source controller; 4, singlechip controller; 5, motor driver; 6, tested small size part; 7, camera; 8, semi-girder erecting frame; 9, column; 10, camera lens; 11, Z axis transfer table; 12, L-type web member; 13, connecting link; 14, light source; 15, base; 16, motor A; 17, motor B; 18, Y-axis transfer table; 19, X-axis transfer table; 20, ball-screw A; 21, ball-screw B; 22, guide rail A; 23, slide block A; 24, guide rail B; 25, slide block B.
Embodiment
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
Be illustrated in figure 1 a kind of embodiment of a kind of small size part vision precision measuring instrument described in the utility model, described a kind of small size part vision precision measuring instrument comprises basic machine part, vision-based detection part, control section and the Lights section.
Described basic machine part is that whole equipment provides a stable supporting and space, and described basic machine part comprises measuring instrument base modules and two-dimensional combination transfer table module.
Described measuring instrument base modules comprises semi-girder erecting frame 8, column 9, Z axis transfer table 11, base 15.
Described semi-girder erecting frame 8 is arranged on the upper end of described column 9 by bolt, for installing camera and camera lens; Described column 9 lower end is vertically mounted on the side of described base 15, is fastened by bolts.Described semi-girder erecting frame 8 and described base 15 are in the same side of described column 9.
The middle part mobile link of described Z axis transfer table 11 and described column 9, preferably, described Z axis transfer table 11 is provided with through hole, described through hole is strip, described Z axis transfer table 11 is connected through described through hole by bolt with described column 9, by adjusting described bolt in the fine setting of the position of described through hole realization to described Z axis transfer table 11, described Z axis transfer table 11 can be moved up and down on described column 9 along Z-direction.
Described two-dimensional combination transfer table module comprises X-axis transfer table 19, Y-axis transfer table 18, ball-screw A20, ball-screw B21, motor A16 and motor B17.
Described two-dimensional combination transfer table module is arranged on described base 15, and described base 15 is the bases supporting described two-dimensional combination transfer table module; Described two-dimensional combination transfer table module parallels with described semi-girder erecting frame 8.
As shown in Figures 2 and 3, described ball-screw A20 is connected by shaft coupling with described motor A16, described X-axis transfer table 19 is connected with described ball-screw A20, described X-axis transfer table 19 is connected with described base 15 moving sets, preferably, be connected with slide block A23 by guide rail A22, article two, described guide rail A22 is fixed on described base 15, described slide block A23 is fixed on the both sides of described X-axis transfer table 19, described slide block A23 and described guide rail A22 mobile link, described motor A16 drives described X-axis transfer table 19 to move left and right along X-direction on described base 15.Described ball-screw B21 is connected by shaft coupling with described motor B17, described Y-axis transfer table 18 is connected with described ball-screw B21, described Y-axis transfer table 18 is connected with described X-axis transfer table 19 moving sets, preferably, be connected with slide block B 25 by guide rail B24, article two, described guide rail B24 is fixed on described X-axis transfer table 19, described slide block B 25 is fixed on the both sides of described Y-axis transfer table 18, described slide block B 25 and described guide rail B24 mobile link, described motor B17 drives described Y-axis transfer table 18 to move forward and backward along Y direction on described X-axis transfer table 19.
Can adjust by described two-dimensional combination transfer table module the appearance position being placed on tested small size part 6 on described Y-axis transfer table 18 progressively, make the image photographed ensure placed in the middle and appearance position can be kept consistent.Fig. 4 is the structural representation of the wherein tested electric connector housing of a kind of described tested small size part 6.
Described control section comprises computing machine 1, singlechip controller 4 and motor driver 5; One end of described singlechip controller 4 is connected with described computing machine 1, and the other end is connected with one end of described motor driver 5, and the other end of described motor driver 5 is connected with described motor A16 and described motor B17.
Described vision-based detection part comprises image pick-up card 2, camera 7 and camera lens 10; Described camera 7 and described camera lens 10 are threaded connection and are vertically mounted on described semi-girder erecting frame 8, one end of described camera 7 and described image pick-up card 2 is connected the transmission of the information of carrying out by data line, the other end of described image pick-up card 2 is connected with described computing machine 1, the image photographed, send described computing machine 1 to, described computing machine 1, by treatment and analysis, demonstrates the tested size of small size part 6 and the shape of defect on a computer display.
Described camera is preferably CCD camera.
Described the Lights section comprises light source controller 3 and light source 14, and one end of described light source controller 3 is connected with described computing machine 1, and the other end is connected with described light source 14; Described light source 14 is fixedly connected with described Z axis transfer table 11, and described Z axis transfer table 11 is for regulating the position of described light source 14.Described light source 14 is frontlighting light sources, is preferably LED annular light source, provides enough brightness for giving described tested small size part 6.
Described light source 14 is connected by L-type web member 12 and connecting link 13 with described Z axis transfer table 11, and described light source 14 is bolted with one end of described connecting link 13, by adjusting the position of bolt, and then the position of light source described in adjustable; The other end of described connecting link 13 and one end of described L-type web member 12 are bolted, and by adjustment bolt, can adjust the position of described L-type web member 12 and described connecting link 13; The other end of described L-type web member 12 is connected with described Z axis transfer table 11 by bolt.The reflective of described tested small size part 6 surface can be adjusted by the fine setting of described Z axis transfer table 11, reduce the difficulty of image procossing, improve the precision of vision-based detection, reduce surround lighting simultaneously and change the impact brought.
Operating process of the present utility model:
When described tested small size part 6 is placed in after on described Y-axis transfer table 18, described camera 7 photographs the position picture of tested small size part 6, positional information is sent to described computing machine 1 by described capture card 2, described computing machine 1 sends instruction according to positional information to described singlechip controller 4, described singlechip controller 4 controls described motor driver 5 and drives described motor A16 and described motor B17 to rotate, thus control X-axis transfer table 19 and Y-axis transfer table 18 move, described tested small size part 6 is adjusted to the field range of described camera lens 10, open the adapter of described LED annular light source, carry out the brightness adjusting LED annular light source, the position of described LED annular light source is adjusted by described Z axis transfer table 11, the picture of described tested small size part 6 taken again by described camera 7, described computing machine 1 is sent to by described capture card 2, described computing machine 1 carries out image processing and analysis, obtain the tested size of small size part 6 and the shape of defect, finally realize measurement and the defect inspection of the size of tested small size part 6.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection domain of the present utility model.

Claims (7)

1. a small size part vision precision measuring instrument, is characterized in that, comprises basic machine part, vision-based detection part and control section;
Described basic machine part comprises measuring instrument base modules and two-dimensional combination transfer table module; Described measuring instrument base modules comprises semi-girder erecting frame (8), column (9), base (15); Described semi-girder erecting frame (8) is arranged on the upper end of described column (9) by bolt, described column (9) lower end is vertically mounted on described base (15); Described two-dimensional combination transfer table module is arranged on described base (15), and described two-dimensional combination transfer table module parallels with described semi-girder erecting frame (8);
Described two-dimensional combination transfer table module comprises X-axis transfer table (19), Y-axis transfer table (18), ball-screw A (20), ball-screw B (21), motor A (16) and motor B (17);
One end of described X-axis transfer table (19) connects one end of described ball-screw A (20), the other end of described ball-screw A (20) connects described motor A (16), and described X-axis transfer table (19) is connected with described base (15) moving sets;
One end of described Y-axis transfer table (18) connects one end of described ball-screw B (21), the other end of described ball-screw B (21) connects described motor B (17), and described Y-axis transfer table (18) is connected with described X-axis transfer table (19) moving sets;
Described control section comprises computing machine (1), singlechip controller (4) and motor driver (5); One end of described singlechip controller (4) is connected with described computing machine (1), the other end is connected with the one end of described motor driver (5), and the other end of described motor driver (5) is connected with described motor A (16) and described motor B (17);
Described vision-based detection part comprises image pick-up card (2), camera (7) and camera lens (10); Described camera (7) and described camera lens (10) are threaded connection and are vertically mounted on described semi-girder erecting frame (8), described camera (7) is connected by data line with one end of described image pick-up card (2), the other end of described image pick-up card (2) is connected with described computing machine (1), described image pick-up card (2) sends the pictorial information that described camera (7) photographs to described computing machine (1), and described computing machine (1) processes by analysis and draws the tested size of small size part (6) and the shape of defect.
2. small size part vision precision measuring instrument according to claim 1, it is characterized in that, the both sides of described X-axis transfer table (19) are fixed with slide block A (23), described base (15) is fixed with two guide rail A (22), described slide block A (23) is contained on described guide rail A (22);
The both sides of described Y-axis transfer table (18) are fixed with slide block B (25), described X-axis transfer table (19) is fixed with two guide rail B (24), described slide block B (25) is contained on described guide rail B (24).
3. small size part vision precision measuring instrument according to claim 1, is characterized in that, also comprises the Lights section and Z axis transfer table (11);
The middle part mobile link of described Z axis transfer table (11) and described column (9), described Z axis transfer table (11) can move up and down along Z-direction on described column (9);
Described the Lights section comprises light source controller (3) and light source (14), and one end of described light source controller (3) is connected with described computing machine (1), and the other end is connected with described light source (14);
Described light source (14) is fixedly connected with described Z axis transfer table (11).
4. small size part vision precision measuring instrument according to claim 3, it is characterized in that, described light source (14) is connected by L-type web member (12) and connecting link (13) with described Z axis transfer table (11), described light source (14) is bolted with one end of described connecting link (13), the other end of described connecting link (13) and one end of described L-type web member (12) are bolted, and the other end of described L-type web member (12) is connected with described Z axis transfer table (11) by bolt.
5. small size part vision precision measuring instrument according to claim 3, is characterized in that, described light source (14) is LED annular light source.
6. small size part vision precision measuring instrument according to claim 3, it is characterized in that, described Z axis transfer table (11) is provided with through hole, described through hole is strip, and described Z axis transfer table (11) is connected through described through hole by bolt with described column (9).
7. small size part vision precision measuring instrument according to claim 1, is characterized in that, described camera is CCD camera.
CN201520669190.6U 2015-08-31 2015-08-31 Small -size part vision precision measurement appearance Expired - Fee Related CN204924183U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115425A (en) * 2015-08-31 2015-12-02 江苏大学 Vision-based precision measuring instrument of small-size part
CN106770358A (en) * 2016-12-02 2017-05-31 上海威克鲍尔通信科技有限公司 A kind of detection of connecter hole and coordinate location device
CN109141332A (en) * 2018-07-23 2019-01-04 浙江树人学院 A kind of 3-D scanning precision component dimension reconfiguration device
CN109282715A (en) * 2018-09-21 2019-01-29 苏州市计量测试院 A kind of calliper automatic measurement system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115425A (en) * 2015-08-31 2015-12-02 江苏大学 Vision-based precision measuring instrument of small-size part
CN106770358A (en) * 2016-12-02 2017-05-31 上海威克鲍尔通信科技有限公司 A kind of detection of connecter hole and coordinate location device
CN109141332A (en) * 2018-07-23 2019-01-04 浙江树人学院 A kind of 3-D scanning precision component dimension reconfiguration device
CN109282715A (en) * 2018-09-21 2019-01-29 苏州市计量测试院 A kind of calliper automatic measurement system and method

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