CN107063100A - It is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled - Google Patents
It is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled Download PDFInfo
- Publication number
- CN107063100A CN107063100A CN201710284099.6A CN201710284099A CN107063100A CN 107063100 A CN107063100 A CN 107063100A CN 201710284099 A CN201710284099 A CN 201710284099A CN 107063100 A CN107063100 A CN 107063100A
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- Prior art keywords
- caliber
- station
- slide unit
- detection
- pipe range
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15039—Display of reference, set value, of measured, feedback value
Abstract
The invention discloses a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled.Including frame, main workbench, station frame, pipe range detection part, caliber detection part, programmable logic controller (PLC) and computer；Frame is provided with main workbench, table top has been sequentially arranged pipe range detection part and caliber detection part from left to right, station frame is installed in the middle part of table top, station frame is provided with three groups of V-grooves, pipe range detection station is represented respectively, convertible tip caliber detects station and reference edge caliber detection station, and the data that pipe range and caliber are measured are connected through programmable logic controller (PLC) and computer.During present invention measurement pipe range, displacement transducer transfers data to programmable logic controller (PLC), controls the distance in servomotor action, adjustment subsequent work stations between camera lens and workpiece according to the change of pipe range, makes up the deficiency of the camera lens depth of field, it is ensured that the definition of imaging.Accurate measurement can be realized using general industry camera lens, without using expensive telecentric lens.
Description
Technical field
The present invention relates to the detection means of tubular workpiece, more particularly, to a kind of many with the tubular workpiece adaptively coupled
Station vision inspection apparatus.
Background technology
It is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled, its purposes be to tubular workpiece carry out
Automatic detection, it is the length of workpiece and the internal orifice dimension at two ends to predominantly detect parameter.
After tubular workpiece completes, it is sometimes desirable to size detection is carried out to it, and then judges that whether qualified product is.At present
Detection means can only detect that and adaptability is poor to single parameter mostly, when detecting the tubular workpiece of different size
Need to manually adjust device, greatly reduce detection efficiency.In addition, when detecting internal orifice dimension using vision detection technology,
Because the depth of field of camera lens is limited, when the length change of tubular workpiece is larger, often because the distance of end face and camera lens exceeds scape
Deeply can not blur-free imaging, influence accuracy of detection.According to the telecentric lens that the depth of field is larger, it on the one hand can greatly improve and be fabricated to
This, on the other hand the increased depth of field of institute's energy is still limited, it is impossible to tackle many specification test problems well.
The content of the invention
In order to solve problem present in background technology, have what is adaptively coupled it is an object of the invention to provide a kind of
Tubular workpiece multistation vision inspection apparatus.
The technical scheme of use is：
The present invention includes frame, main workbench, station frame, pipe range detection part, caliber detection part, programmable logic controller (PLC)
And computer；Frame is provided with main workbench, main table surface and has been sequentially arranged pipe range detection part and pipe from left to right
It is provided with the middle part of footpath detection part, main workbench on station frame, station frame and is formed with three groups of V-grooves, three detections is represented respectively
Station, respectively pipe range detect station, convertible tip caliber detection station and reference edge caliber detection station, pipe range detection part and
The data that caliber detection part is measured send programmable logic controller (PLC) and computer to.
The pipe range detection part, including first manual fine setting slide unit, the second manual fine-tuning slide unit, positioning cylinder and displacement
Sensor；Positioning cylinder is arranged in the side of station frame, and the top surface that first manual finely tunes slide unit, first are fixed on by connecting plate
The bottom surface of manual fine-tuning slide unit is fixed on main workbench, and positioning cylinder is electrically connected with programmable logic controller (PLC), displacement sensing
Device is arranged in the opposite side of station frame, and the top surface of the second manual fine-tuning slide unit is fixed on by installing plate, and the second manual fine-tuning is slided
The bottom surface of platform is fixed on main workbench, and displacement transducer is electrically connected with programmable logic controller (PLC)；Positioning cylinder is to measured tube
One end of shape workpiece carries out axially position, and the end is referred to as reference edge, and the other end of tested tubular workpiece is referred to as convertible tip, and displacement is passed
Sensor determines the position of convertible tip, transfers data in programmable logic controller (PLC) and computer, obtains pipe range data.
The caliber detection part, including the 3rd manual fine-tuning slide unit, the first industrial lens, the second industrial lens, first
Digital camera, the second digital camera, slide unit servomotor, leading screw slide unit, the first LED/light source and the second LED/light source；Caliber is detected
Including detection convertible tip caliber and detection reference edge two stations of caliber, the first industrial lens of detection convertible tip caliber are arranged on
On first digital camera, the first digital camera is fixed on by connecting plate on the movable block of leading screw slide unit, slide unit servomotor peace
Mounted in leading screw slide unit afterbody, leading screw slide unit is fixed on station frame side, and the first LED/light source is fixed on station frame opposite side, detection
Second industrial lens of reference edge caliber are arranged on the second digital camera, and the second digital camera is fixed on the 3rd by connecting plate
On manual fine-tuning slide unit, the 3rd manual fine-tuning slide unit is fixed on station frame side, and it is another that the second LED/light source is fixed on station frame
Side, slide unit servomotor is electrically connected through servo-driver with programmable logic controller (PLC), and two digital cameras are also patrolled with programmable
Volume controller electrical connection, two digital cameras shoot cross-sectional images, and are sent in computer and are handled, and obtain caliber number
According to.
Three groups of V-grooves on the station frame, are equidistant placement, and detect station, the inspection of convertible tip caliber with pipe range respectively
Survey station and reference edge caliber detection station is corresponded.
The positioning cylinder, the first LED/light source and the second digital camera are located at the same side of station frame.
Institute's displacement sensors are electricity differential transformation type displacement sensor.
The invention has the advantages that：
1st, the automatic detection of tubular workpiece is realized, the unstability manually detected is effectively prevent, inspection can be significantly improved
Survey efficiency and detection accuracy.
2nd, three detection stations are provided with, the detection of pipe range and caliber can be sequentially completed, it is practical.
3rd, the tubular workpiece of different size can be adaptively detected, during detection pipe range, displacement transducer is transferred data to
In programmable logic device, programmable logic device controls servo starter, driving servomotor action, adjustment according to the change of pipe range
Distance in subsequent work stations between camera lens and workpiece, so as to make up the deficiency of the camera lens depth of field, it is ensured that the definition of imaging.Cause
This, using general industry camera lens is that accurate measurement can be achieved in the present invention, without using the telecentric lens of costliness.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structural representation of main workbench.
Fig. 3 is electrical connection and the detection station schematic diagram of two detection parts.
In figure：1st, frame, 2, main workbench, 3, station frame, 4A.4B.4C, manual fine-tuning slide unit, 5, pipe range detection part,
6th, caliber detection part, 7, tubular workpiece, 8, servo-driver, 9, programmable logic controller (PLC), 10, computer, 501, positioning
Cylinder, 502, displacement transducer, 601A.601B, industrial lens, 602A.602B, digital camera, 603, slide unit servomotor,
604th, leading screw slide unit, 605A.605B, LED/light source.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes frame 1, main workbench 2, station frame 3, pipe range detection part 5, pipe
Footpath detection part 6, programmable logic controller (PLC) 9 and computer 10；Frame 1 is provided with main workbench 2, the main table top of workbench 2
Pipe range detection part 5 and caliber detection part 6 have been sequentially arranged from left to right, and the middle part of main workbench 2 is provided with station frame 3,
Three groups of V-grooves are formed with station frame 3, three detection stations, respectively pipe range detection station, the detection of convertible tip caliber are represented respectively
Station and reference edge caliber detection station, the data that pipe range detection part 5 and caliber detection part 6 are measured send programmable patrol to
Collect controller 9 and computer 10.
As shown in Figure 2 and Figure 3, the pipe range detection part 5, including first manual fine setting slide unit 4A, the second manual fine-tuning are slided
Platform 4B, positioning cylinder 501 and displacement transducer 502；Positioning cylinder 501 is arranged in the side of station frame 3, is fixed by connecting plate
Slide unit 4A top surface is finely tuned in first manual, first manual fine setting slide unit 4A bottom surface is fixed on main workbench 2, positioning cylinder
501 electrically connect with programmable logic controller (PLC) 9, and displacement transducer 502 is arranged in the opposite side of station frame 3, solid by installing plate
The second manual fine-tuning slide unit 4B top surface is scheduled on, the second manual fine-tuning slide unit 4B bottom surface is fixed on main workbench 2, displacement is passed
Sensor 502 is electrically connected with programmable logic controller (PLC) 9；One end of the tested tubular workpiece 7 of 501 pairs of positioning cylinder carries out axially fixed
Position, the end is referred to as reference edge, and the other end of tested tubular workpiece 7 is referred to as convertible tip, and displacement transducer 502 determines the position of convertible tip
Put, transfer data in programmable logic controller (PLC) 9 and computer 10, obtain pipe range data.
As shown in Figure 2 and Figure 3, the caliber detection part 6, including the 3rd manual fine-tuning slide unit 4C, the first industrial lens
601A, the second industrial lens 601B, the first digital camera 602A, the second digital camera 602B, slide unit servomotor 603, leading screw
Slide unit 604, the first LED/light source 605A and the second LED/light source 605B；Caliber detection includes detection convertible tip caliber and detects benchmark
Two, end pipe footpath station, the first industrial lens 601A of detection convertible tip caliber is arranged on the first digital camera 602A, and first
Digital camera 602A is fixed on by connecting plate on the movable block of leading screw slide unit 604, and slide unit servomotor 603 is slided installed in leading screw
The afterbody of platform 604, leading screw slide unit 604 is fixed on the side of station frame 3, and the first LED/light source 605A is fixed on the opposite side of station frame 3, inspection
The the second industrial lens 601B for surveying reference edge caliber is arranged on the second digital camera 602B, and the second digital camera 602B passes through even
Fishplate bar is fixed on the 3rd manual fine-tuning slide unit 4C, and the 3rd manual fine-tuning slide unit 4C is fixed on the side of station frame 3, the second LED light
Source 605B is fixed on the opposite side of station frame 3, and slide unit servomotor 603 is through servo-driver 8, with the electricity of programmable logic controller (PLC) 9
Connection, two digital cameras 602A and 602B are also electrically connected with programmable logic controller (PLC) 9, two digital cameras 602A and 602B
Cross-sectional image is shot, and is sent in computer 10 and is handled, caliber data are obtained.
Three groups of V-grooves on the station frame 3, are equidistant placement, and detect station, the inspection of convertible tip caliber with pipe range respectively
Survey station and reference edge caliber detection station is corresponded.
The positioning cylinder 501, the first LED/light source 605A and the second digital camera 602B are located at the same side of station frame 3.
Institute's displacement sensors 502 are electricity differential transformation type displacement sensor.
The operation principle of the present invention is as follows：
Station frame 3 is fixed on main workbench 2 first, then pipe range detection part 5 and caliber are fixed in the both sides of station frame
Detection part 6, regulation manual fine-tuning slide unit 4A, 4B, 4C, it is ensured that suitable detecting distance.
During work, tubular workpiece 7 to be measured is transported to by feeding device and handling device in the V-groove of station frame, according to
The secondary detection for carrying out three stations, obtains pipe range and both ends of the surface caliber data.After the completion of detection, computer can be according to detection data
Classification judgement is carried out to tubular workpiece 7.Finally, classification blanking is carried out to tubular workpiece 7 using blanking device.
When pipe range is detected, one end of tubular workpiece 7 is positioned cylinder 501 and fixed, and the axial location at the end is constant all the time, therefore
Referred to as reference edge, the length change of tubular workpiece 7 shows the other end, therefore the end is referred to as convertible tip.Detection is divided into three stations,
Station one carries out pipe range detection, and station two carries out convertible tip caliber detection, and station three carries out reference edge caliber detection.Tubulose to be measured
Workpiece 7 is carried to station for the moment, and positioning cylinder 501 stretches out, as measuring basis, and then displacement transducer 502 is forward extended out, and is examined
The position of convertible tip is surveyed, displacement signal is sent in programmable logic controller (PLC) 9 by displacement transducer 502, FPGA control
Displacement signal is sent in computer 10 by the one side of device 9 processed, is recorded pipe range information, is on the other hand controlled according to displacement signal
Servo-driver 8, driving slide unit servomotor 602 is rotated, in adjustment station two between first industrial lens 601A and convertible tip
Distance so that ensure fully focusing.After pipe range detection terminates, tubular workpiece 7 is carried to station two, by the first digital camera
602A shoots convertible tip caliber image, and transmits signals to computer 10, and the processing image of computer 10 obtains convertible tip caliber
Data.After the detection of convertible tip caliber terminates, tubular workpiece 7 is carried to station three, and benchmark is shot by the second digital camera 602B
End pipe footpath image, and computer 10 is transmitted signals to, the processing image of computer 10 obtains reference edge caliber data.Finally, count
Calculation machine 10 judges the classification of product according to all data.
Above-mentioned embodiment is used for illustrating the present invention, rather than limits the invention, the present invention's
In spirit and scope of the claims, any modifications and changes made to the present invention both fall within the protection model of the present invention
Enclose.
Claims (6)
1. it is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled, it is characterised in that：Including frame (1),
Main workbench (2), station frame (3), pipe range detection part (5), caliber detection part (6), programmable logic controller (PLC) (9) and meter
Calculation machine (10)；Frame (1) is provided with main workbench (2), main workbench (2) table top and has been sequentially arranged pipe range detection from left to right
Station frame (3) is installed in the middle part of part (5) and caliber detection part (6), main workbench (2), station frame is formed with three groups on (3)
V-groove, represents three detection stations, respectively pipe range detection station, convertible tip caliber detection station and reference edge caliber respectively
Station is detected, the data that pipe range detection part (5) and caliber detection part (6) are measured send programmable logic controller (PLC) (9) to
With computer (10).
2. according to claim 1 a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled, it is special
Levy and be：The pipe range detection part (5), including first manual fine setting slide unit (4A), the second manual fine-tuning slide unit (4B), positioning
Cylinder (501) and displacement transducer (502)；Positioning cylinder (501) is arranged in the side of station frame (3), is fixed by connecting plate
The top surface of slide unit (4A) is finely tuned in first manual, the bottom surface of first manual fine setting slide unit (4A) is fixed on main workbench (2), fixed
Position cylinder (501) is electrically connected with programmable logic controller (PLC) (9), and displacement transducer (502) is arranged in the another of station frame (3)
Side, the top surface of the second manual fine-tuning slide unit (4B) is fixed on by installing plate, and the bottom surface of the second manual fine-tuning slide unit (4B) is fixed
On main workbench (2), displacement transducer (502) is electrically connected with programmable logic controller (PLC) (9)；Positioning cylinder (501) is to quilt
The one end for surveying tubular workpiece (7) carries out axially position, and the end is referred to as reference edge, and the other end of tested tubular workpiece (7) is referred to as can
Become end, displacement transducer (502) determines the position of convertible tip, transfers data to programmable logic controller (PLC) (9) and computer
(10) in, pipe range data are obtained.
3. according to claim 1 a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled, it is special
Levy and be：The caliber detection part (6), including the 3rd manual fine-tuning slide unit (4C), the first industrial lens (601A), the second work
Industry camera lens (601B), the first digital camera (602A), the second digital camera (602B), slide unit servomotor (603), leading screw slide unit
(604), the first LED/light source (605A) and the second LED/light source (605B)；Caliber detection includes detection convertible tip caliber and detects base
Quasi- two stations in end pipe footpath, the first industrial lens (601A) of detection convertible tip caliber are arranged on the first digital camera (602A)
On, the first digital camera (602A) is fixed on by connecting plate on the movable block of leading screw slide unit (604), slide unit servomotor
(603) leading screw slide unit (604) afterbody is arranged on, leading screw slide unit (604) is fixed on station frame (3) side, the first LED/light source
(605A) is fixed on station frame (3) opposite side, and the second industrial lens (601B) of detection reference edge caliber are arranged on the second numeral
On camera (602B), the second digital camera (602B) is fixed on the 3rd manual fine-tuning slide unit (4C) by connecting plate, the 3rd hand
Dynamic fine setting slide unit (4C) is fixed on station frame (3) side, and the second LED/light source (605B) is fixed on station frame (3) opposite side, slide unit
Servomotor (603) is electrically connected through servo-driver (8) with programmable logic controller (PLC) (9), two digital cameras (602A) and
(602B) is also electrically connected with programmable logic controller (PLC) (9), and two digital cameras (602A) and (602B) shoot cross-sectional image, and
It is sent in computer (10) and is handled, obtains caliber data.
4. according to claim 1 a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled, it is special
Levy and be：Three groups of V-grooves on the station frame (3), are equidistant placement, and detect station, convertible tip caliber with pipe range respectively
Detect that station and reference edge caliber detection station are corresponded.
5. it is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled according to Claims 2 or 3, its
It is characterised by：The positioning cylinder (501), the first LED/light source (605A) and the second digital camera (602B) are located at station frame (3)
The same side.
6. according to claim 2 a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled, it is special
Levy and be：Institute's displacement sensors (502) are electricity differential transformation type displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284099.6A CN107063100A (en) | 2017-04-26 | 2017-04-26 | It is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284099.6A CN107063100A (en) | 2017-04-26 | 2017-04-26 | It is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled |
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| Publication Number | Publication Date |
|---|---|
| CN107063100A true CN107063100A (en) | 2017-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284099.6A Pending CN107063100A (en) | 2017-04-26 | 2017-04-26 | It is a kind of with the tubular workpiece multistation vision inspection apparatus adaptively coupled |
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| CN (1) | CN107063100A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872233A (en) * | 2018-05-26 | 2018-11-23 | 湖南大学 | A kind of separation reflecting type tubular element backlight imaging device that can turn round positioning |
| CN110589401A (en) * | 2019-09-24 | 2019-12-20 | 武汉琦尔工业设备有限公司 | Barrel processing detects automatic production system and barrel transfer system for automatic production |
| CN112577432A (en) * | 2020-10-16 | 2021-03-30 | 深圳精匠云创科技有限公司 | Automatic hub size measuring method and device |
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| CN102759330A (en) * | 2012-07-27 | 2012-10-31 | 钟国坚 | Integrative detection device and method for shaft parts |
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| CN102553833A (en) * | 2011-01-04 | 2012-07-11 | 浙江大学 | Multi-station and multi-parameter vision measuring system and method for rotary parts |
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| CN202994201U (en) * | 2012-12-13 | 2013-06-12 | 廖怀宝 | Automatic optical detector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872233A (en) * | 2018-05-26 | 2018-11-23 | 湖南大学 | A kind of separation reflecting type tubular element backlight imaging device that can turn round positioning |
| CN110589401A (en) * | 2019-09-24 | 2019-12-20 | 武汉琦尔工业设备有限公司 | Barrel processing detects automatic production system and barrel transfer system for automatic production |
| CN110589401B (en) * | 2019-09-24 | 2021-06-22 | 武汉琦尔工业设备有限公司 | Barrel processing detects automatic production system and barrel transfer system for automatic production |
| CN112577432A (en) * | 2020-10-16 | 2021-03-30 | 深圳精匠云创科技有限公司 | Automatic hub size measuring method and device |
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Application publication date: 20170818 |
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