CN106441111A - Pin valve length detection method - Google Patents
Pin valve length detection method Download PDFInfo
- Publication number
- CN106441111A CN106441111A CN201610866865.5A CN201610866865A CN106441111A CN 106441111 A CN106441111 A CN 106441111A CN 201610866865 A CN201610866865 A CN 201610866865A CN 106441111 A CN106441111 A CN 106441111A
- Authority
- CN
- China
- Prior art keywords
- valve
- needle
- station
- supporting plate
- disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
Abstract
The invention discloses a pin valve length detection method, and belongs to the technical field of pin valves. The detection device used by the pin valve length detection method comprises a stepping motor. The output shaft of the stepping motor is provided with a first circular disc. The upper side of the first circular disc is provided with a second circuit disc in parallel. The second circuit disc is provided with four notches which are internally provided with supporting plates. The middle part of the upper end of each supporting plate is provided with a V-shaped groove. The supporting plates are provided with a first position, a second position, a third position and a fourth position. The supporting plate of the first position and the supporting plate of the third position are arranged on the same horizontal line. Compared with the methods in the prior art, the length of the pin valve is detected by the detection device and the detection method so that automatic detection of the length of the pin valve can be realized, the pin valves of the qualified and unqualified length can be automatically classified without manual operation, the production efficiency can be enhanced, the requirements of the manufacturing enterprises at home and abroad can be met and the economic benefits of the enterprises can be greatly enhanced.
Description
Technical field
The invention belongs to needle-valve technical field, more particularly to a kind of detection method of needle-valve length.
Background technology
Needle-valve has two kinds, a kind of in pipeline, acting primarily as expenditure and pressure effect, and a kind of also conduct is safeguarded and used（Plus fluorine,
Refuel）, check valve is somewhat like, is opened by adding the top inside fluorine hose coupling.Needle-valve is the tapered needle-like of slender type, fits
Throttle for low discharge scope.In addition needle-valve is additionally operable to maintenance, than having needle-valve on the centrifuge if any company, when debugging is safeguarded
Pressure gauge can be connected debug, keep in repair unit.
At present, when needle-valve is detected be typically all with the number of turns for carrying out knob metering pin valve manually, this manual regulation
Method can not accurately rotate the distance of each circle in detection very much, often produce error, and accuracy of detection is low, and adjusts manually
Section high labor intensive, easily makes mistakes, human cost height, greatly reduces Business Economic Benefit.The problems referred to above, it would be highly desirable to solve.
Content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of detection method of needle-valve length.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals：A kind of inspection of needle-valve length
Device is surveyed, and including a motor, the motor front end is provided with output shaft, the first circle is provided with the output shaft
Disk, the upper parallel of first disk is provided with the second disk, is provided with 4 breach on second disk, described scarce
Mouth is uniformly arranged on second disk, is provided with supporting plate, the middle part of the supporting plate upper end is provided with V in the breach
Type groove, is also arranged with two pieces of boss on the supporting plate in parallel, and the boss is located at the inner side of the supporting plate, the V-groove
Centrage between centrage and two pieces of boss overlaps, and the boss extends the upper surface of second disk；Described
Supporting plate is respectively arranged with the first station, the second station, 3rd station and the 4th station, the supporting plate of first station and institute
The supporting plate for stating 3rd station is located in same horizontal line, and the position of the supporting plate of second station is higher than the described 4th
The supporting plate of station.
In order to obtain superior technique effect, further technological improvement is, on the supporting plate of first station
Side is provided with barrel, and the gap between the barrel and the supporting plate is that 1.5 millimeters, the barrel includes V-shaped upper in section
Portion's opening, is provided with lower openings in the lower end of the upper opening, and the size of the lower openings is only capable of making a needle-valve certainly
By falling.
In order to obtain superior technique effect, further technological improvement is, arranges in the top of second station
There is Computer Vision Detection equipment, the Computer Vision Detection equipment includes an annular light source, sets above the annular light source
CCD camera is equipped with, the CCD camera is directed at the V-groove, the centrage of the CCD camera and the annular light source
Centrage consistent, the CCD camera is controlled by industrial computer；The image that the CCD camera is collected is sent to a figure
As capture card is processed, described image capture card is arranged in the industrial computer.
In order to obtain superior technique effect, further technological improvement is, in the supporting plate of the 3rd station
Side is provided with mechanical hand, and the mechanical hand includes guide rail, and the guide rail slid underneath is provided with slide block, the slide block lower end
Gripper cylinder is provided with, the gripper cylinder front end is provided with clamping device, the clamping device includes the V-shaped clamping in section
Plate, the grip block surrounds the hollow region for being formed afterwards together and can clamp needle-valve；It is provided with the rear end of the gripper cylinder
Connecting rod, the rear end of the connecting rod is provided with telescopic cylinder.
In order to obtain superior technique effect, further technological improvement is, the distance between two pieces of described boss are 2
Millimeter.So arrange, as needle-valve is with diameter greater than 2 millimeters so that the conical end of needle-valve is entered partly between two pieces of boss
Gap in, be convenient for measuring.
In order to obtain superior technique effect, further technological improvement is, first disk and described second is justified
The horizontal line for being wound around the supporting plate of first station inclines 10 degree.So arrange, it can be ensured that the underproof pin of length
Valve, at the 4th station by the smooth landing of action of gravity to unqualified charging tray, so as to V-groove vacating space, is pin next time
Valve detection is prepared.
A kind of detection method of needle-valve length, mainly includes the following steps that：
1）The conical end of needle-valve is put in the barrel towards the boss side, the needle-valve is slipped to first work
In the V-groove on the supporting plate of position；
2) motor drives first disk to make intermittent rotary with second disk, turn 90 degrees counterclockwise, by institute
Stating needle-valve second station is taken to from first station, while a rear needle-valve is dropped down onto in the V-groove of first station,
In rotation process, the conical end of the needle-valve is filled between two pieces of boss, and the annular light source is irradiated to the needle-valve
On, the CCD camera gathers the head end of the needle-valve the distance between to the boss, transfers data to the work in real time
Control machine, the industrial computer is automatically analyzed using the Digital Image Processing program for carrying；
3）If needle-valve length is qualified, Computer Vision Detection equipment sends a signal to PLC control system, when the needle-valve is from described
When two stations go to the 3rd station, the mechanical hand of PLC control grips the needle-valve, puts certified products charging tray into；
4）If needle-valve length is unqualified, the mechanical hand attonity, the needle-valve with second disk rotational, at the 4th station
Reversely landing is to defective work charging tray, and a needle-valve detection job is completed, and is so often ratated 90 degrees, you can a piece needle-valve of detection.
The invention has the beneficial effects as follows：By the detection means and detection method, the length of needle-valve is detected, can be real
The length of existing Aulomatizeted Detect needle-valve, and can be classified qualified for length with underproof needle-valve automatically, it is not necessary to artificial behaviour
Make, human cost is reduced, production efficiency is improve, the demand of domestic and international manufacturing enterprise is met, while greatly improving enterprise
The economic benefit of industry.
Description of the drawings
Fig. 1 is the overall schematic of the present invention.
Fig. 2 is the partial schematic diagram of the present invention.
Fig. 3 is the schematic diagram of the needle-valve of the present invention.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of a kind of specific embodiment of the detection method of needle-valve length of the present invention.One
The detection means of needle-valve length is planted, including a motor 1,1 front end of the motor is provided with output shaft 10, the output
The first disk 21 is provided with axle 10, the upper parallel of first disk 21 is provided with the second disk 22, in the described second circle
4 breach 220 are provided with disk 22, and the breach 220 is uniformly arranged on second disk 22, in the breach 220
Supporting plate 3 is provided with, the middle part of 3 upper end of the supporting plate is provided with V-groove 30, be also arranged with two pieces on the supporting plate 3 in parallel
Boss 31, the boss 31 is located at the inner side of the supporting plate 3, between the centrage of the V-groove 30 and two pieces of boss 31
Centrage overlap, the boss 31 extends the upper surface of second disk 22；The supporting plate 3 is respectively arranged at the first work
Position A, the second station B, 3rd station C and the 4th station D, the supporting plate 3 of the first station A and 3rd station C
The supporting plate 3 is located in same horizontal line, and the position of the supporting plate 3 of the second station B is higher than the institute of the 4th station D
State supporting plate 3.
In technique scheme, 3 top of the supporting plate of the first station A is provided with barrel 4, the barrel 4 and institute
The gap that states between supporting plate 3 is 1.5 millimeters, and the barrel 4 includes the V-shaped upper opening in section 41, in the upper opening
41 lower end is provided with lower openings 42, and the size of the lower openings 42 is only capable of making a needle-valve Z freely fall.
In technique scheme, the top of the second station B is provided with Computer Vision Detection equipment 5, the meter
Calculation machine visual detection equipment 5 includes an annular light source 51, and 51 top of the annular light source is provided with CCD camera 52, the CCD
Photographic head 52 is directed at the V-groove 30, the centrage phase one of the centrage of the CCD camera 52 and the annular light source 51
Cause, the CCD camera 52 is controlled by industrial computer 53；The image that the CCD camera 52 is collected is sent to an image acquisition
Card is processed, and described image capture card is arranged in the industrial computer 53.
In technique scheme, 3 side of the supporting plate of 3rd station C is provided with mechanical hand 6, the mechanical hand
6 include a guide rail 60, and 60 slid underneath of the guide rail is provided with slide block 61, and 61 lower end of the slide block is provided with gripper cylinder
62,62 front end of the gripper cylinder is provided with clamping device 63, and the clamping device 63 includes the V-shaped grip block in section 630,
The grip block 630 surrounds the hollow region for being formed afterwards together and can clamp needle-valve Z；Arrange in the rear end of the gripper cylinder 62
The rear end for having connecting rod 64, the connecting rod 64 is provided with telescopic cylinder 65.
In technique scheme, the distance between two pieces of described boss 31 are 2 millimeters.So due to needle-valve with diameter greater than
2 millimeters so that the conical end of needle-valve is entered partly in the gap between two pieces of boss 31, is convenient for measuring.
In technique scheme, first disk 21 with described in second disk 22 around the first station A
The horizontal line of supporting plate 3 inclines 10 degree.So may insure that the underproof needle-valve of length is suitable by action of gravity at the 4th station D
Sharp landing, to unqualified charging tray, so as to 30 vacating space of V-groove, is that needle-valve detection next time is prepared.
A kind of detection method of needle-valve length, the detection method employs above-mentioned detection device, mainly includes the following steps that：
1）The conical end of needle-valve Z is put in the barrel 4 towards 31 side of the boss, the needle-valve Z is slipped to described
In the V-groove 30 on the supporting plate 3 of the first station A；
2) motor 1 drives first disk 21 to make intermittent rotary with second disk 22, turn 90 degrees counterclockwise,
The needle-valve Z is taken to the second station B from the first station A, while a rear needle-valve Z drops down onto the first station A
V-groove 30 in, in rotation process, the conical end of the needle-valve Z is filled between two pieces of boss 31, the annular light source
51 are irradiated on the needle-valve Z, and the CCD camera 52 gathers the head end of the needle-valve Z the distance between to the boss 31,
The industrial computer 53 is transferred data in real time, and the industrial computer 53 is divided automatically using the Digital Image Processing program for carrying
Analysis；
3）If needle-valve length is qualified, Computer Vision Detection equipment 5 sends a signal to PLC control system 7, when needle-valve Z is from institute
When stating the second station B and going to 3rd station C, the mechanical hand 6 of PLC control grips needle-valve Z, puts certified products material into
Disk；
4）If needle-valve length is unqualified, 6 attonity of the mechanical hand, the needle-valve is rotated with second disk 22, in the 4th work
At the D of position, reverse landing is to defective work charging tray, and a needle-valve detection job is completed, and is so often ratated 90 degrees, you can detection one
Needle-valve Z.
The listed above specific embodiment for being only the present invention, it is clear that the invention is not restricted to above embodiment.This area
The those of ordinary skill's all deformation that can directly derive from present disclosure or associate, all should belong to the present invention's
Protection domain.
Claims (1)
1. a kind of detection method of needle-valve length, it is characterised in that the detection method employs following detection means, including a step
Stepper motor（1）, the motor（1）Front end is provided with output shaft（10）, the output shaft（10）On be provided with the first disk
（21）, first disk（21）Upper parallel be provided with the second disk（22）, in second disk（22）On be provided with
Supporting plate（3）, in the supporting plate（3）The middle part of upper end is provided with V-groove（30）, in the supporting plate（3）On be also arranged with parallel convex
Platform（31）, the supporting plate（3）It is respectively arranged with the first station（A）, the second station（B）, 3rd station（C）With the 4th station（D）；
First station（A）The supporting plate（3）Top is provided with barrel（4）；In second station（B）Top be provided with meter
Calculation machine visual detection equipment（5）, the Computer Vision Detection equipment（5）Including an annular light source（51）, the annular light source
（51）Top is provided with CCD camera（52）, the CCD camera（52）By industrial computer（53）Control；In the 3rd station
（C）The supporting plate（3）Side is provided with mechanical hand（6）；The detection method is mainly included the following steps that：
1）By needle-valve（Z）Conical end towards the boss（31）The barrel is put in side（4）Interior, the needle-valve（Z）Sliding
Fall first station（A）The supporting plate（3）On the V-groove（30）Interior；
2) motor（1）Drive first disk（21）With second disk（22）Make intermittent rotary, counterclockwise
It turn 90 degrees, by the needle-valve（Z）From first station（A）Take second station to（B）, while a rear needle-valve（Z）Fall
To first station（A）V-groove（30）Interior, in rotation process, the needle-valve（Z）Conical end fill in two pieces described convex
Platform（31）Between, the annular light source（51）It is irradiated to the needle-valve（Z）On, the CCD camera（52）Gather the needle-valve
（Z）Head end to the boss（31）The distance between, transfer data to the industrial computer in real time（53）, the industrial computer
（53）Automatically analyzed using the digital picture program for carrying；
3）If needle-valve length is qualified, Computer Vision Detection equipment（5）Send a signal to PLC control system（7）, when the needle-valve
（Z）From second station（B）Go to the 3rd station（C）When, the mechanical hand of PLC control（6）Grip the needle-valve
（Z）, put certified products charging tray into；
4）If needle-valve length is unqualified, the mechanical hand（6）Attonity, the needle-valve is with second disk（22）Rotate, the
Four stations（D）Locate reverse landing to defective work charging tray, a needle-valve detection job is completed, and is so often ratated 90 degrees, you can inspection
Survey a needle-valve（Z）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866865.5A CN106441111B (en) | 2015-01-26 | 2015-01-26 | A kind of detection method of needle-valve length |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866865.5A CN106441111B (en) | 2015-01-26 | 2015-01-26 | A kind of detection method of needle-valve length |
| CN201510037792.4A CN104534999B (en) | 2015-01-26 | 2015-01-26 | A kind of detection means of needle-valve length and detection method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037792.4A Division CN104534999B (en) | 2015-01-26 | 2015-01-26 | A kind of detection means of needle-valve length and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106441111A true CN106441111A (en) | 2017-02-22 |
| CN106441111B CN106441111B (en) | 2019-06-25 |
Family
ID=52850574
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037792.4A Expired - Fee Related CN104534999B (en) | 2015-01-26 | 2015-01-26 | A kind of detection means of needle-valve length and detection method |
| CN201610866865.5A Expired - Fee Related CN106441111B (en) | 2015-01-26 | 2015-01-26 | A kind of detection method of needle-valve length |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037792.4A Expired - Fee Related CN104534999B (en) | 2015-01-26 | 2015-01-26 | A kind of detection means of needle-valve length and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104534999B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262381A (en) * | 2017-05-10 | 2017-10-20 | 江苏大学 | A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972379B (en) * | 2015-07-24 | 2017-04-12 | 烟台大学 | Automatic any-angle indexing mechanism for disk part automatic line |
| CN107449598B (en) * | 2017-09-05 | 2024-03-26 | 机科发展科技股份有限公司 | Measuring device and needle valve flow measuring device |
| CN108871214B (en) * | 2018-06-05 | 2020-11-27 | 安徽沃德气门制造有限公司 | Continuous detection device of valve diameter |
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| CN202356320U (en) * | 2011-12-07 | 2012-08-01 | 东莞市上川自动化设备有限公司 | Steel sheet classifier |
| CN102878924A (en) * | 2012-08-29 | 2013-01-16 | 苏州逸美德自动化科技有限公司 | Turntable type multi-station high-precision detection device based on multi-charge coupled device (CCD) and line laser |
| CN202903690U (en) * | 2012-11-01 | 2013-04-24 | 顾金华 | Roller pin surface defect detecting device based on machine vision |
| CN203209329U (en) * | 2013-04-25 | 2013-09-25 | 洛阳久德轴承模具技术有限公司 | Side face detection system for tapered rollers |
| CN103357587A (en) * | 2013-07-24 | 2013-10-23 | 浙江大学 | On-machine automatic separation blanking device facing picker cold forging process |
| CN104142329A (en) * | 2014-07-21 | 2014-11-12 | 重庆颖泉标准件有限公司 | Standard fastener detection conveying and disengagement preventing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002018363A (en) * | 2000-06-30 | 2002-01-22 | Nitto Seiko Co Ltd | Parts counting and selecting device |
| CN201848395U (en) * | 2010-09-10 | 2011-06-01 | 朱必伟 | Acupuncture needle sorting device |
| CN202126230U (en) * | 2011-05-25 | 2012-01-25 | 浙江三和机电科技有限公司 | Full-automatic device for detecting length of pin shaft |
| CN204388793U (en) * | 2015-01-26 | 2015-06-10 | 宁波工程学院 | A kind of pick-up unit of needle-valve length |
-
2015
- 2015-01-26 CN CN201510037792.4A patent/CN104534999B/en not_active Expired - Fee Related
- 2015-01-26 CN CN201610866865.5A patent/CN106441111B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202356320U (en) * | 2011-12-07 | 2012-08-01 | 东莞市上川自动化设备有限公司 | Steel sheet classifier |
| CN102878924A (en) * | 2012-08-29 | 2013-01-16 | 苏州逸美德自动化科技有限公司 | Turntable type multi-station high-precision detection device based on multi-charge coupled device (CCD) and line laser |
| CN202903690U (en) * | 2012-11-01 | 2013-04-24 | 顾金华 | Roller pin surface defect detecting device based on machine vision |
| CN203209329U (en) * | 2013-04-25 | 2013-09-25 | 洛阳久德轴承模具技术有限公司 | Side face detection system for tapered rollers |
| CN103357587A (en) * | 2013-07-24 | 2013-10-23 | 浙江大学 | On-machine automatic separation blanking device facing picker cold forging process |
| CN104142329A (en) * | 2014-07-21 | 2014-11-12 | 重庆颖泉标准件有限公司 | Standard fastener detection conveying and disengagement preventing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262381A (en) * | 2017-05-10 | 2017-10-20 | 江苏大学 | A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision |
| CN107262381B (en) * | 2017-05-10 | 2019-02-05 | 江苏大学 | A kind of oil nozzle needle-valve dimension automatic measuring device based on machine vision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104534999B (en) | 2017-03-15 |
| CN106441111B (en) | 2019-06-25 |
| CN104534999A (en) | 2015-04-22 |
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Granted publication date: 20190625 Termination date: 20210126 |