CN107262381B - A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision - Google Patents
A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision Download PDFInfo
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- CN107262381B CN107262381B CN201710326599.1A CN201710326599A CN107262381B CN 107262381 B CN107262381 B CN 107262381B CN 201710326599 A CN201710326599 A CN 201710326599A CN 107262381 B CN107262381 B CN 107262381B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- 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
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G01N2201/088—Using a sensor fibre
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision, including control system, feed mechanism, positioning and clamping mechanism, vision measurement mechanism and mechanism for sorting；The feed mechanism includes conveyer rack, workpiece conveyer, conveying pipeline, sequence block, the first cylinder, the second cylinder, workpiece compact heap, workpiece blocking block, proximity sensor and electrical cabinet；The positioning and clamping mechanism includes guide sleeve pedestal, manipulator cylinder, workpiece support block, third cylinder, fibre optical sensor and sensor base；The mechanism for sorting includes deflector chute, deflector chute bracket, sensor for countering, sensor stand, sorting slot, sliding translation mechanism and receiver；The control system includes PC machine and PLC control module；Non-contact measurement efficient to needle-valve, high-precision and sorting has may be implemented in the present invention, being capable of timely statistical measurement data.
Description
Technical field
The present invention relates to measurement and the field of test technology, in particular to a kind of oil nozzle needle-valve size based on machine vision is certainly
Dynamic measuring device.
Background technique
With being continuously increased for domestic economy downstream pressure, the production cost pressure of enterprise is also increasing, many enterprises
It then needs to change production method while being produced into original reply using reducing labour, compressing, and reduce manual labor, it is real
The automated production and detection of existing producing line.Wherein, detection is most important.Mechanical vision inspection technology is emerging non-as one
Contact measurement technology is gradually applied in industrial production.
Injector valve couple is one of three big precision pairs of diesel fuel system, needle-valve material selection
W6Mo5Cr4V2,60~66HRC of heat treatment hardness, required precision is high, and with industrial diesel engine, visitor/car
Light-duty diesel engine demand is continuously increased, and set of fuel injection system is also continuously increased, and correspondingly, pintle nozzle match-ing parts obtain greatly
Amount production, the daily output are up to 30,000, and this requires the efficiency of measuring system, precision etc. to be continuously improved.The structure of needle-valve can be divided into
Three parts, needle point, size outer circle, tail portion, usual every procedure, which processes, to be both needed to include diameter, angle to large cylindrical tail dimension
Degree, distance etc. measure, and needle-valve part of taking manually more than traditional measurement method is carried out manually with pneumatic measuring instrument
Measurement, manpower waste is serious, and production efficiency is lower.It is on-line checking, total with the standardization and legalization of product quality management
Detection, the cry of real time monitoring are higher and higher.
So-called mechanical vision inspection technology, the i.e. light measurement of computerization.Its by camera, camera lens simulate human vision into
Row identification, measurement and judgement.Have the advantages that high speed, it is high-precision, real-time.Based on this, the application of machine vision metrology technology is more next
It is more extensive.Application No. is 200810124374.9 Chinese patents to propose a kind of large-scale metrology dress based on machine vision
It sets, large-size workpiece is placed on objective table, each regional area of workpiece is obtained by camera, by algorithm to each Local map
As compensating summation, one-piece parts size is obtained；Application No. is 200810243973.2 Chinese patent propose it is a kind of non-
The vision measurement device of the ship geometry of contact, device use 4 industrial cameras, survey to hull geometry size
Amount has specificity；Application No. is 201310698709.9 Chinese patents to propose a kind of view of plate shaping limit curve
Feel measuring device, device carries out deformable material using vision camera to take map analysis, curved edge degree is calculated, to obtain material
Expect forming limit curve, method is easy to use；Application No. is 201410275227.7 Chinese patent propose it is a kind of completely at
As vision measurement device, which equally uses the desk-top measurement method of loading, complete the concentricity of axial workpiece, circular runout,
The measurement of cylindricity etc.；Application No. is 201510395713.7 Chinese patents to propose a kind of cylindrical surface based on 3D vision
Radius measurement method, method are obtained the three dimensional point cloud on cylindrical surface by dimensional visual measurement system, then spread out into
Two-dimensional surface data are then based on the sort algorithm of angle for two-dimensional development into one-dimensional point sequence, are carried out according to one-dimensional point sequence
Ellipse fitting and circle fitting, to obtain radius, this method anti-noise ability is strong, precision is higher.Foregoing invention has been all made of vision
Measuring technique, although completing the measurement to target, cannot achieve on-line real-time measuremen and statistical as measurement method
Analysis, feedback cannot be monitored to process capability, can not adapt to produce in enormous quantities.
Therefore needle-valve part total real-time detection and monitoring online are realized, enterprise's urgent need to solve the problem is become.It carries on the back herein
Under scape, the present invention is based on machine vision metrology technology, non-contact measurement efficient to needle-valve, high-precision and sorting are realized,
Can statistical measurement data in time, for lathe timely feedback and the assembly of later period fuel injector and safety have it is important
Meaning.
Summary of the invention
In response to the deficiencies in the existing technology, the present invention provides a kind of, and the oil nozzle needle-valve size based on machine vision is automatic
Measuring device realizes non-contact measurement efficient to needle-valve, high-precision and sorting, can statistical measurement data in time, it is right
In lathe timely feedback and the assembly of later period fuel injector and safety are of great significance.
The present invention achieves the above technical objects by the following technical means.
A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision, including control system, feed mechanism, positioning
Clamp system, vision measurement mechanism and mechanism for sorting；The feed mechanism include conveyer rack, workpiece conveyer, conveying pipeline,
Sequence block, the first mounting plate, first support, the first cylinder, the second cylinder, workpiece compact heap, workpiece block block, proximity sensor
And electrical cabinet；The workpiece conveyer is fixed on conveyer rack, and the workpiece conveyer is vibration discharging device, passes through work
Part, is sent to the discharge port of workpiece conveyer by the vibrator installed inside part conveyer；The sequence block and the first mounting plate
Connection, is fixed in first support by the first mounting plate；The first support is fixedly mounted on electrical cabinet；The sequence block
It is connected by the discharge port of conveying pipeline and workpiece conveyer, for part to be transported in the through-hole in sequence block；The sequence
Block is equipped with the first slot and the second slot, and vertical with sequence block through-hole respectively；First cylinder and the second cylinder are fixed on
On one mounting plate, first cylinder is connect by tracheae with the first solenoid valve, and second cylinder passes through tracheae and the second electricity
Magnet valve connection；The first cylinder stretch rod installs workpiece compact heap, makes work by the stretching of first the first cylinder of solenoid valve control
Part compact heap enters the first slot；The second cylinder stretch rod installation workpiece blocks block, controls the second gas by second solenoid valve
Cylinder stretching makes workpiece that block be blocked to enter the second slot；In the proximity sensor insertion sequence block inner hole, for incuding part；First
Cylinder is equipped with the first magnetic switch and the second magnetic switch on stroke, for detecting whether the first cylinder stretches or be retracted to
Position；Second cylinder on stroke be equipped with third magnetic switch and the 4th magnetic switch, for detect the second cylinder whether stretch or
Person shrinks in place；The positioning and clamping mechanism includes the second mounting plate, second support, guide sleeve pedestal, manipulator cylinder, workpiece
Supporting block, third cylinder, fibre optical sensor and sensor base；The guide sleeve pedestal is connect with the second mounting plate, passes through
Two mounting plates are fixed on the secondary support bracket, and the second support is fixedly mounted on electrical cabinet；The guide sleeve pedestal is equipped with
Pilot hole, the pilot hole are located at immediately below the through-hole of sequence block, and coaxial with the through-hole of sequence block；The manipulator cylinder peace
On the second mounting plate, the manipulator cylinder is connect by tracheae with the 4th solenoid valve, passes through the 4th solenoid valve control machine
The part that tool hand cylinder clamping is fallen from pilot hole；The third cylinder is fixed on the second mounting plate, and is located at manipulator
Below cylinder, the third cylinder is connect by tracheae with third solenoid valve；The third cylinder stretch rod installs workpiece support
Block is used to support part by third solenoid valve control third cylinder stretched part supporting block；The fibre optical sensor passes through biography
Sensor pedestal is fixed on the second support, for incude manipulator cylinder whether clamping parts；Third cylinder is set on stroke
There are the 5th magnetic switch and the 6th magnetic switch, whether stretches or shrink in place for detecting third cylinder；The vision is surveyed
Measuring equipment includes planar light source, light source support frame, light source controller, telecentric lens, industrial camera, camera connecting corners and camera
Support frame；One end of the planar light source is connect with the upper end of light source support frame, and the lower end of light source support frame is fixed on electrical cabinet
On；The light source controller is electrically connected with planar light source, the lens interface connection of the telecentric lens and industrial camera, the phase
Fixation is bolted in machine connecting corners with one end of industrial camera and camera support respectively, and the other end of camera support is fixed
In in electrical cabinet upper stage；The part clamped on the planar light source, telecentric lens and manipulator cylinder is located at same straight line
On；The mechanism for sorting includes deflector chute, deflector chute bracket, sensor for countering, sensor stand, sorting slot, sliding translation machine
Structure and receiver；The deflector chute is connect with deflector chute bracket, is fixed on electrical cabinet by deflector chute bracket；The deflector chute
One end is located at the lower section of workpiece support block, and the other end is placed on above sorting slot feed inlet；Counting is installed on the deflector chute
Sensor；The receiver is equipped at least two feed bins, and the receiver is placed on electrical cabinet platform, is located at sorting slot and discharges
The lower section of mouth；The sorting slot is fixed in sliding translation mechanism, makes part by sorting slot by controlling sliding translation mechanism
Into the different feed bins of receiver；The control system includes PC machine and PLC control module；The PLC control module and workpiece
Conveyer, proximity sensor, fibre optical sensor, light source controller, industrial camera, sensor for countering, sliding translation mechanism, first
Solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the first magnetic switch, the second magnetic switch, third magnetism are opened
Pass, the 4th magnetic switch, the 5th magnetic switch and the connection of the 6th magnetic switch；The PC machine and PLC control module pass through serial ports
It is connected with each other, is used for user input instruction, calibrating parameters, real-time display captured image and measurement result, carry out data storage
And statistical analysis.
Further, guide sleeve is installed, the guide sleeve and pilot hole are interference fitted in the pilot hole.
Further, positioning gripping block is installed in the inside of two clamping jaws of the manipulator cylinder respectively, and the positioning clamps
Block is equipped with V-groove.
Further, the sliding translation mechanism includes sorting cylinder, sliding block and sliding slot；The sorting cylinder and sliding block are fixed
On the base, the pedestal is mounted on electrical cabinet；The sliding block is connect with sorting cylinder stretch rod, and the sliding block is mounted on cunning
In slot, move back and forth the sliding block in sliding slot by sorting cylinder；At least two magnetism are installed on the sorting cylinder to open
It closes, magnetic switch is connect with PLC control module；The magnetic switch is identical as the feed bin quantity of the receiver.
Further, the sliding slot and sliding block are T-slot or oat tail groove structure.
Further, the sorting slot is equipped with 3 hoppers；The receiver be equipped with 3 feed bins, and with material described in 3
Slot outlet corresponds, and penetrates through hopper entrance and hopper by sliding translation mechanism.
The beneficial effects of the present invention are:
1. the oil nozzle needle-valve dimension automatic measuring device of the present invention based on machine vision, passes through visual measuring equipment
Institute's measured data and judging result are fed back, and by control module control action, institute's stylus valve part are finally divided into qualified product, is returned
Repair product and scrap.
2. the oil nozzle needle-valve dimension automatic measuring device of the present invention based on machine vision, will by workpiece conveyer
Needle-valve part is sent at positioning and clamping mechanism by feed mechanism and is clamped positioning, and then visual measuring equipment receives control letter
It number carries out that figure is taken to measure, and is analyzed and determined and fed back, under the action of sorting cylinder, be automatically performed sorting, improve life
Efficiency is produced, production cost is reduced.
3. the oil nozzle needle-valve dimension automatic measuring device of the present invention based on machine vision, is prevented by sequence block
Occur that material is stuck or blanking quantity is greater than one in conveying.
Detailed description of the invention
Fig. 1 is the oil nozzle needle-valve dimension automatic measuring device general assembly drawing of the present invention based on machine vision；
Fig. 2 is the structure chart of the sequence block in feed mechanism of the present invention；
Fig. 3 is positioning and clamping mechanism structure chart of the present invention；
Fig. 4 is the system construction drawing of visual measuring equipment of the present invention；
Fig. 5 is mechanism for sorting structure chart of the present invention；
Fig. 6 is mechanism for sorting Structure explosion diagram of the present invention；
Fig. 7 is the oil nozzle needle-valve dimension automatic measuring device work flow diagram of the present invention based on machine vision；
In figure:
1- electrical cabinet；2-PC machine；3- conveyer rack；4- workpiece conveyer；5- conveying pipeline；6- sequence block；7- first pacifies
Loading board；8- first support；The first cylinder of 9-；The second cylinder of 10-；11- workpiece compact heap；12- workpiece blocks block；13- is close to be passed
Sensor；The second mounting plate of 14-；15- second support；16- guide sleeve；17- guide sleeve pedestal；18- manipulator cylinder；19- positioning
Gripping block；20- workpiece support block；21- third cylinder；22- fibre optical sensor；23- sensor base；24- planar light source；25-
Pedestal；26- receiver；27- light source support frame；28- light source controller；29- telecentric lens；30- industrial camera；31- camera connects
Connect gusset；32- camera tripod；33- deflector chute；34- deflector chute bracket；35- sensor for countering；36- sensor stand；37-
Sorting slot；38- sliding block；39- sliding slot；40- sorts cylinder.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples, but protection scope of the present invention is simultaneously
It is without being limited thereto.
As shown in Figure 1, being a kind of reality of the oil nozzle needle-valve dimension automatic measuring device of the present invention based on machine vision
Mode is applied, the oil nozzle needle-valve dimension automatic measuring device based on machine vision includes control system, feed mechanism, locating clip
Tight mechanism, vision measurement mechanism and mechanism for sorting.
As shown in Fig. 2, the feed mechanism includes conveyer rack 3, workpiece conveyer 4, conveying pipeline 5, sequence block 6,
One mounting plate 7, first support 8, the first cylinder 9, the second cylinder 10, workpiece compact heap 11, workpiece block block 12, proximity sensor
13 and electrical cabinet 1；The workpiece conveyer 4 is fixed on conveyer rack 3, and the workpiece conveyer 4 is vibration discharging device,
By the vibrator installed inside workpiece conveyer 4, part is sent to the discharge port of workpiece conveyer 4；Workpiece conveyer 4 works
Principle is to arrange needle-valve part by vibrating bunker, can make 4 vertical vibration of workpiece conveyer, while also convey workpiece
Device 4 rocks vibration around its vertical axis, and part is by this vibration in workpiece conveyer 4, to rise along helical orbit, by zero
Part in certain direction with sequentially arrange, until being sent to discharge port, by conveying pipeline 5 one by one feeding sequence block 6.The sequence
Block 6 is connect with the first mounting plate 7, is fixed in first support 8 by the first mounting plate 7；The first support 8 is fixedly mounted on
On electrical cabinet 1；The sequence block 6 is connect by conveying pipeline 5 with the discharge port of workpiece conveyer 4, suitable for part to be transported to
In through-hole in sequence block 6；The sequence block 6 is equipped with the first slot and the second slot, and vertical with 6 through-hole of sequence block respectively；It is described
First cylinder 9 and the second cylinder 10 are fixed on the first mounting plate 7, and first cylinder 9 is connected by tracheae and the first solenoid valve
It connects, second cylinder 10 is connect by tracheae with second solenoid valve；First cylinder, 9 stretch rod installs workpiece compact heap
11, so that workpiece compact heap 11 is entered the first slot by the stretching of first the first cylinder of solenoid valve control 9；Second cylinder 10 stretches
Bar installs workpiece and blocks block 12, and controlling the stretching of the second cylinder 10 by second solenoid valve makes workpiece that block 12 be blocked to enter the second slot；
In 13 insertion sequence block of proximity sensor, 6 inner hole, for incuding part；It is magnetic that first cylinder 9 is equipped with first on stroke
Whether switch and the second magnetic switch stretch for the first cylinder 9 of detection or shrink in place；Second cylinder 10 is set on stroke
There are third magnetic switch and the 4th magnetic switch, whether stretched for the second cylinder 10 of detection or shrinks in place.
Shown in Fig. 3, the positioning and clamping mechanism includes the second mounting plate 14, second support 15, guide sleeve pedestal 17, machinery
Luck cylinder 18, workpiece support block 20, third cylinder 21, fibre optical sensor 22 and sensor base 23；The guide sleeve pedestal 17
It connect with the second mounting plate 14, is fixed in second support 15 by the second mounting plate 14, the second support 15 is fixedly mounted
On electrical cabinet 1；The guide sleeve pedestal 17 is equipped with pilot hole, and the pilot hole is located at immediately below the through-hole of sequence block 6, and
It is coaxial with the through-hole of sequence block 6；The manipulator cylinder 18 is mounted on the second mounting plate 14, and the manipulator cylinder 18 passes through
Tracheae is connect with the 4th solenoid valve, clamps the part fallen from pilot hole by the 4th solenoid valve control manipulator cylinder 18；
The third cylinder 21 is fixed on the second mounting plate 14, and is located at 18 lower section of manipulator cylinder, and the third cylinder 21 passes through
Tracheae is connect with third solenoid valve；21 stretch rod of third cylinder installs workpiece supporting block 20, passes through third solenoid valve control
21 stretched part supporting block 20 of third cylinder is used to support part；The fibre optical sensor 13 is fixed on by sensor base 23
The second support 15, for incude manipulator cylinder 18 whether clamping parts；Third cylinder 21 is equipped with the 5th magnetic on stroke
Property switch and the 6th magnetic switch, whether stretch or shrink in place for detecting third cylinder 21.
Shown in Fig. 4, the visual measuring equipment includes planar light source 24, light source support frame 27, light source controller 28, telecentricity
Camera lens 29, industrial camera 30, camera connecting corners 31 and camera tripod 32；One end of the planar light source 24 and light source support
The upper end of frame 27 connects, and the lower end of light source support frame 27 is fixed on electrical cabinet 1；The light source controller 28 and planar light source 24
Electrical connection, the telecentric lens 29 connect with the lens interface of industrial camera 30, the camera connecting corners 31 respectively with industry
Fixation is bolted in one end of camera 30 and camera support 32, and the other end of camera support 32 is fixed on 1 top of electrical cabinet
On platform；The part clamped on the planar light source 24, telecentric lens 29 and manipulator cylinder 18 is located along the same line.
Shown in Fig. 5 and Fig. 6, the mechanism for sorting includes deflector chute 33, deflector chute bracket 34, sensor for countering 35, sensing
Device bracket 36, sorting slot 37, sliding translation mechanism and receiver 26；The deflector chute 33 is connect with deflector chute bracket 34, is passed through
Deflector chute bracket 34 is fixed on electrical cabinet 1；Described 33 one end of deflector chute is located at the lower section of workpiece support block 20, and the other end is placed
Above 37 feed inlet of sorting slot；Sensor for countering 35 is installed on the deflector chute 33；The receiver 26 is equipped at least two
A feed bin, the receiver 26 is placed on 1 platform of electrical cabinet, positioned at the lower section of 37 discharge port of sorting slot；The sorting slot 37
It is fixed in sliding translation mechanism, the difference for making part by sorting slot 37 into receiver 26 by controlling sliding translation mechanism
Feed bin.
The control system includes PC machine 2 and PLC control module；The PLC control module and workpiece conveyer 4 approach
Sensor 13, fibre optical sensor 22, light source controller 28, industrial camera 30, sensor for countering 35, sliding translation mechanism, first
Solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the first magnetic switch, the second magnetic switch, third magnetism are opened
Pass, the 4th magnetic switch, the 5th magnetic switch and the connection of the 6th magnetic switch；The PC machine 2 passes through serial ports with PLC control module
It is connected with each other, is used for user input instruction, calibrating parameters, real-time display captured image and measurement result, carry out data storage
And statistical analysis.
The course of work: needle-valve part is fitted into workpiece conveyer 4 first, starter.Wherein feed mechanism is automatically complete
At the arrangement and conveying of needle-valve part cephlad-caudal consistency, needle-valve part is controlled sequentially in entering order block 6, proximity sensor
13 perception needle-valve parts in place, output signal to control module, by first the first cylinder of solenoid valve control, 9 extending action, the
One cylinder 9 runs rear first magnetic switch sensor perceptual signal in place and delivers a signal to control module, passes through the second electromagnetism
Valve control 10 retract action of the second cylinder, at this time at first the needle-valve part of entering order block 6 by gravity by pilot hole from
By falling, is stopped by workpiece support block 20 and stopped, fibre optical sensor 22 detects needle-valve part signal in place, and passes to control
Molding block, control module send instructions to industrial camera 30, and carry out workpiece quickly takes figure, and PC machine 2 is used to analyze, measure and sentence
It is disconnected, and institute's measured data is inputted into storage facilities, while by judging result feedback to control module, control module controls sliding translation
Mechanism action, sliding translation mechanism action in place after, by third solenoid valve control module control 21 retract action of third cylinder,
The 6th magnetic switch sensor perceives and transmits signal after in place, controls manipulator cylinder 18 by the 4th solenoid valve control module
Release movement, and control the second cylinder 10, the first cylinder 9 completion homing action.After manipulator cylinder 18 unclamps, institute's stylus valve zero
Part free-falling, by deflector chute, sorting slot enters in receiver 43.In needle-valve part dropping process, sensor for countering 35 is counted
It counts and perceives and deliver a signal to control module, control module controls third cylinder 21 and resets, and a cycle operation is completed at this time, can
Automatically next cycle operation is carried out.
Guide sleeve 16 is installed, the guide sleeve 16 is interference fitted with pilot hole in the pilot hole.Pilot hole in order to prevent
Long-term abrasion causes, and needle-valve part can not be to falling into 18 center of manipulator cylinder.
In order to ensure manipulator cylinder 18 is accurate, positioning is installed in the inside of two clamping jaws of the manipulator cylinder 18 respectively
Gripping block 19, the positioning gripping block 19 are equipped with V-groove.
The sliding translation mechanism includes sorting cylinder 40, sliding block 38 and sliding slot 39；The sorting cylinder 40 and sliding block 38
It is fixed on pedestal 25, the pedestal 25 is mounted on electrical cabinet 1；The sliding block 38 is connect with sorting 40 stretch rod of cylinder, institute
It states sliding block 38 to be mounted in sliding slot 39, moves back and forth the sliding block 38 in sliding slot 39 by sorting cylinder 40；The sorting
At least two magnetic switch are installed, magnetic switch is connect with PLC control module on cylinder 40；The magnetic switch and the splicing
The feed bin quantity of disk 26 is identical.The sliding slot 39 and sliding block 38 are T-slot or oat tail groove structure.
According to practical condition, the sorting slot 37 is equipped with 3 hoppers,；The receiver 26 is equipped with 3 feed bins,
It can be denoted as qualified product area, reprocessed products area and scrap area respectively and exported with hopper described in 3 and correspond, pass through sliding
Translation mechanism penetrates through hopper entrance and hopper 33.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement-replacement that those skilled in the art can make
Or modification all belongs to the scope of protection of the present invention.
Claims (6)
1. a kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision, which is characterized in that including control system, feeding
Mechanism, positioning and clamping mechanism, vision measurement mechanism and mechanism for sorting；
The feed mechanism includes conveyer rack (3), workpiece conveyer (4), conveying pipeline (5), sequence block (6), the first installation
Plate (7), first support (8), the first cylinder (9), the second cylinder (10), workpiece compact heap (11), workpiece block block (12), approach
Sensor (13) and electrical cabinet (1)；The workpiece conveyer (4) is fixed on conveyer rack (3)；The sequence block (6) with
First mounting plate (7) connection, the upper end of first support (8) is fixed on by the first mounting plate (7)；The first support (8)
Lower end is fixedly mounted on electrical cabinet (1)；The sequence block (6) is connected by the discharge port of conveying pipeline (5) and workpiece conveyer (4)
It connects, for part to be transported in the through-hole in sequence block (6)；The sequence block (6) is equipped with the first slot and the second slot, and divides
It is not vertical with sequence block (6) through-hole；First cylinder (9) and the second cylinder (10) are separately fixed on the first mounting plate (7),
First cylinder (9) is connect by tracheae with the first solenoid valve, and second cylinder (10) passes through tracheae and second solenoid valve
Connection；First cylinder (9) stretch rod installs workpiece compact heap (11), is drawn by first the first cylinder of solenoid valve control (9)
Stretching makes workpiece compact heap (11) to enter the first slot；Second cylinder (10) stretch rod installation workpiece blocks block (12), by the
The stretching of two the second cylinders of solenoid valve control (10) makes workpiece that block (12) be blocked to enter the second slot；Proximity sensor (13) insertion
In sequence block (6) inner hole, for incuding part；First cylinder (9) is equipped with the first magnetic switch on stroke and the second magnetism is opened
It closes, for detecting whether the first cylinder (9) stretch or shrink in place；Second cylinder (10) is equipped with third magnetism on stroke and opens
Pass and the 4th magnetic switch, for detecting whether the second cylinder (10) stretch or shrink in place；
The positioning and clamping mechanism includes the second mounting plate (14), second support (15), guide sleeve pedestal (17), manipulator cylinder
(18), workpiece support block (20), third cylinder (21), fibre optical sensor (22) and sensor base (23)；The guide sleeve base
Seat (17) is connect with the second mounting plate (14), is fixed on the upper end of second support (15) by the second mounting plate (14), and described the
The lower end of two brackets (15) is fixedly mounted on electrical cabinet (1)；The guide sleeve pedestal (17) is equipped with pilot hole, the guiding
Hole is located at immediately below the through-hole of sequence block (6), and coaxial with the through-hole of sequence block (6)；The manipulator cylinder (18) is mounted on
On second mounting plate (14), the manipulator cylinder (18) is connect by tracheae with the 4th solenoid valve, passes through the 4th solenoid valve control
Manipulator cylinder (18) processed clamps the part fallen from pilot hole；The third cylinder (21) is fixed on the second mounting plate (14)
On, and be located at below manipulator cylinder (18), the third cylinder (21) is connect by tracheae with third solenoid valve；The third
Cylinder (21) stretch rod installs workpiece supporting block (20), passes through third solenoid valve control third cylinder (21) stretched part supporting block
(20) it is used to support part；The fibre optical sensor (13) is fixed on the second support (15) by sensor base (23),
For incude manipulator cylinder (18) whether clamping parts；Third cylinder (21) is equipped with the 5th magnetic switch and the 6th on stroke
Whether magnetic switch stretches or shrinks in place for detecting third cylinder (21)；
The visual measuring equipment includes planar light source (24), light source support frame (27), light source controller (28), telecentric lens
(29), industrial camera (30), camera connecting corners (31) and camera tripod (32)；One end of the planar light source (24) and light
The upper end of source support frame (27) connects, and the lower end of light source support frame (27) is fixed on electrical cabinet (1)；The light source controller
(28) it is electrically connected with planar light source (24), the telecentric lens (29) connect with the lens interface of industrial camera (30), the phase
Fixation, camera support is bolted in the one end of machine connecting corners (31) respectively with industrial camera (30) and camera support (32)
(32) the other end is fixed in electrical cabinet (1) upper stage；The planar light source (24), telecentric lens (29) and mechanical luck
The part clamped on cylinder (18) is located along the same line；
The mechanism for sorting include deflector chute (33), deflector chute bracket (34), sensor for countering (35), sensor stand (36),
Sorting slot (37), sliding translation mechanism and receiver (26)；The deflector chute (33) connect with deflector chute bracket (34), by leading
Hopper bracket (34) is fixed on electrical cabinet (1)；Described deflector chute (33) one end is located at the lower section of workpiece support block (20), another
End is placed on above sorting slot (37) feed inlet；Sensor for countering (35) are installed on the deflector chute (33)；The receiver
(26) at least two feed bins are equipped with, the receiver (26) is placed on electrical cabinet (1) platform, is located at sorting slot (37) discharge port
Lower section；The sorting slot (37) is fixed in sliding translation mechanism, makes part by sorting by controlling sliding translation mechanism
Slot (37) enters the different feed bins of receiver (26)；
The control system includes PC machine (2) and PLC control module；It is the PLC control module and workpiece conveyer (4), close
Sensor (13), fibre optical sensor (22), light source controller (28), industrial camera (30), sensor for countering (35), sliding translation
Mechanism, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the first magnetic switch, the second magnetic switch,
Three magnetic switch, the 4th magnetic switch, the 5th magnetic switch and the connection of the 6th magnetic switch；The PC machine (2) and PLC control mould
Block is connected with each other by serial ports；The PC machine (2) connect with industrial camera (30).
2. the oil nozzle needle-valve dimension automatic measuring device according to claim 1 based on machine vision, which is characterized in that institute
It states in pilot hole and guide sleeve (16) is installed, the guide sleeve (16) and pilot hole are interference fitted.
3. the oil nozzle needle-valve dimension automatic measuring device according to claim 1 based on machine vision, which is characterized in that institute
Positioning gripping block (19) is installed in the inside for stating two clamping jaws of manipulator cylinder (18) respectively, sets on the positioning gripping block (19)
There is V-groove.
4. the oil nozzle needle-valve dimension automatic measuring device according to claim 1 based on machine vision, which is characterized in that institute
Stating sliding translation mechanism includes sorting cylinder (40), sliding block (38) and sliding slot (39)；The sorting cylinder (40) and sliding block (38)
It is fixed on pedestal (25), the pedestal (25) is mounted on electrical cabinet (1)；The sliding block (38) and sorting cylinder (40) stretch
Bar connection, the sliding block (38) are mounted in sliding slot (39), make the sliding block (38) in sliding slot (39) by sorting cylinder (40)
Interior reciprocating motion；At least two magnetic switch are installed on the sorting cylinder (40), magnetic switch is connect with PLC control module；
The magnetic switch is identical as the feed bin quantity of the receiver (26).
5. the oil nozzle needle-valve dimension automatic measuring device according to claim 4 based on machine vision, which is characterized in that institute
Stating sliding slot (39) is T-slot or oat tail groove structure.
6. the oil nozzle needle-valve dimension automatic measuring device according to claim 1 based on machine vision, which is characterized in that institute
Sorting slot (37) are stated equipped with 3 hoppers；The receiver (26) is equipped with 3 feed bins, and one by one with the outlet of hopper described in 3
It is corresponding, hopper entrance and deflector chute (33) are penetrated through by sliding translation mechanism.
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| CN201710326599.1A CN107262381B (en) | 2017-05-10 | 2017-05-10 | A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision |
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| CN107824469A (en) * | 2017-10-30 | 2018-03-23 | 浙江精雷电器股份有限公司 | A kind of external diameter separator of wear ring |
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| CN109772749B (en) * | 2019-01-30 | 2021-03-23 | 成都宏明双新科技股份有限公司 | Automatic product detection device |
| CN110665836B (en) * | 2019-11-01 | 2024-09-24 | 桂林航天电子有限公司 | Automatic sorting device for relay yokes |
| CN112762834B (en) * | 2021-01-11 | 2024-01-12 | 天津大学 | Multifunctional on-line detection equipment |
| CN113351503B (en) * | 2021-06-23 | 2023-02-24 | 上海宏金设备工程有限公司 | Scaffold detection and sorting system and method |
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