CN103028550A - Thrust washer quality inspecting method and system - Google Patents
Thrust washer quality inspecting method and system Download PDFInfo
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- CN103028550A CN103028550A CN2012105530683A CN201210553068A CN103028550A CN 103028550 A CN103028550 A CN 103028550A CN 2012105530683 A CN2012105530683 A CN 2012105530683A CN 201210553068 A CN201210553068 A CN 201210553068A CN 103028550 A CN103028550 A CN 103028550A
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Abstract
The invention provides a thrust washer quality inspecting method and a thrust washer quality inspecting system. The thrust washer quality inspecting method comprises the following steps: firstly, automatically feeding thrust washers to be inspected; secondly, conveying the thrust washers to be inspected to an inspecting workstation by using a conveying device; thirdly, inspecting oil-guiding slots and collecting corresponding oil-guiding slot inspecting information, and inspecting thicknesses and collecting corresponding thickness inspecting information; and finally, according to the inspecting information, sorting the thrust washers to be inspected according to the qualities. The thrust washer quality inspecting method has the characteristics of high inspecting speed, high inspecting precision, automation, and visualization in quality inspecting process.
Description
Technical field
The present invention relates to image and process and the machine vision technique field, particularly relate to a kind of thrust plate quality restriction method and system.
Background technology
Thrust plate is a key components and parts of engine, and its typical structure is approximate half-circular, and one side is the plane, and another side is along two oil guide groove of central shaft bilateral symmetry distribution.In the thrust plate process, oil guide groove can occur leak and to mill, to mill less and the problems such as thrust plate is in uneven thickness.If thrust plate processing goes wrong, and quality restriction department does not effectively detect, and then works as underproof thrust plate and is mounted on the engine, will cause heavy wear to engine crankshaft, cylinder body, even the damage engine, thereby may cause life danger to the motor vehicle driver and crew.At present, the quality restriction of domestic thrust plate mainly relies on the inspector manually to carry out, and the inspector causes undetected and false retrieval easily owing to reasons such as fatigues, checks in addition speed also can descend along with continuing of labour intensity.
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of thrust plate quality restriction method and system, be one of present image processing and machine vision technique field problem demanding prompt solution.
Summary of the invention
In view of this, the embodiment of the invention has proposed a kind of thrust plate quality restriction method and system, by first thrust plate to be detected being carried out automatic charging, then by conveyer thrust plate to be detected is sent to the detection station, then carrying out oil guide groove detects, and collect corresponding oil guide groove and detect information, and carry out thickness and detect, and collect corresponding thickness and detect information, finally according to detection information, thrust plate to be detected is carried out attribute classification, and this programme has that detection speed is fast, accuracy of detection is high, automatically carries out, the characteristics of quality restriction process visualization.
For solving the problems of the technologies described above, the purpose of the embodiment of the invention is achieved through the following technical solutions:
A kind of thrust plate quality restriction method comprises:
Step 1, thrust plate to be detected is carried out automatic charging;
Step 2, by conveyer thrust plate to be detected is sent to the detection station;
Step 3, carry out oil guide groove and detect, and collect corresponding oil guide groove and detect information;
Step 4, carry out thickness and detect, and collect corresponding thickness and detect information;
Step 5, according to detection information, thrust plate to be detected is carried out attribute classification.
Preferably, in the above-mentioned steps one, it is by comprising the parts such as feeding manipulator arm, servomotor, cylinder, sucker, material loading frock that thrust plate carries out automatic charging, and can realize automatic charging and the Pose Control of thrust plate.
Preferably, in the above-mentioned steps two, can adopt conveyer belt that thrust plate is sent to the detection station, and the translational speed of conveyer belt is not less than 0.5m/s.
Preferably, in the above-mentioned steps three, be to adopt industrial intelligent camera and strip source to carry out oil guide groove to detect.
Preferably, above-mentioned industrial intelligent camera adopts the dynamic camera of A-CAM-GM6400-03 of Canadian DALSA company, can the object of motion be detected, and strip source adopts industrial LED strip source.
Preferably, in the above-mentioned steps four, to adopt high precision laser displacement sensor to carry out thickness detects, adopt the AR700-025 laser displacement sensor of two U.S. ACUITY companies, be installed in respectively the up and down both sides of thrust plate to be detected, and adjust its position and realize correlation, the thickness accuracy of detection can reach ± 1.5 μ m.
Preferably, in the above-mentioned steps five, be that the oil guide groove of collecting when detecting according to oil guide groove detects information and the thickness that carries out collecting when thickness detects detects information, when detecting substandard product, to adopt pusher to collect substandard products, wherein pusher comprises the parts such as cylinder, connecting rod; Adopt the landing device to collect non-defective unit.
A kind of thrust plate quality restriction system, comprise feeding device, conveyer, oil guide groove checkout gear, thickness detection apparatus and sorter, by first thrust plate to be detected being carried out automatic charging, then by conveyer thrust plate to be detected is sent to the detection station, then carrying out oil guide groove detects, and collect corresponding oil guide groove and detect information, and carry out thickness and detect, and collect corresponding thickness and detect information, finally according to detection information, thrust plate to be detected is carried out attribute classification.
Preferably, above-mentioned feeding device is used for thrust plate to be detected is carried out automatic charging.
Preferably, above-mentioned conveyer is used for by conveyer thrust plate to be detected being sent to the detection station.
Preferably, above-mentioned oil guide groove checkout gear is used for carrying out oil guide groove and detects, and collects corresponding oil guide groove and detect information.
Preferably, above-mentioned thickness detection apparatus is used for carrying out thickness and detects, and collects corresponding thickness and detect information.
Preferably, above-mentioned sorter is used for according to detection information, and thrust plate to be detected is carried out attribute classification.
In sum, the invention provides a kind of thrust plate quality restriction method and system, by first thrust plate to be detected being carried out automatic charging, then by conveyer thrust plate to be detected is sent to the detection station, then carrying out oil guide groove detects, and collect corresponding oil guide groove and detect information, and carry out thickness and detect, and collect corresponding thickness and detect information, finally according to detection information, thrust plate to be detected is carried out attribute classification, and this programme has that detection speed is fast, accuracy of detection is high, automatically carries out, the characteristics of quality restriction process visualization.
Description of drawings
Fig. 1 is a kind of thrust plate quality restriction method schematic diagram of the embodiment of the invention;
Fig. 2 is a kind of thrust plate quality restriction system schematic of the embodiment of the invention.
The specific embodiment
A kind of thrust plate quality restriction method and system that the embodiment of the invention provides, by first thrust plate to be detected being carried out automatic charging, then by conveyer thrust plate to be detected is sent to the detection station, then carrying out oil guide groove detects, and collect corresponding oil guide groove and detect information, and carry out thickness and detect, and collect corresponding thickness and detect information, finally according to detection information, thrust plate to be detected is carried out attribute classification, and this programme has that detection speed is fast, accuracy of detection is high, automatically carries out, the characteristics of quality restriction process visualization.
Main thought of the present invention is: a kind of thrust plate quality restriction method and system are provided, by three station thrust plate automatic chargings, employing conveyer belt thrust plate is sent to the detection station, adopts industrial intelligent camera and strip source detection oil guide groove, employing high precision laser displacement sensor thickness measuring, employing pusher collection substandard products, adopts landing device collection non-defective unit and employing industrial computer, switch board and LED display that whole system is carried out control and management, realized the automatic quality restriction of quick high accuracy of thrust plate.The advantages such as this system has that detection speed is fast, accuracy of detection is high, automatically carries out, quality restriction process visualization have practical value.
For making purpose of the present invention, technical scheme and advantage clearer, the embodiment that develops simultaneously with reference to the accompanying drawings, the present invention is described in more detail.
The embodiment of the invention provides a kind of thrust plate quality restriction method, and as shown in Figure 1, concrete steps comprise:
Step 1, thrust plate to be detected is carried out automatic charging;
Particularly, in embodiments of the present invention, will be by three stations with the thrust plate automatic charging, further, the parts such as feeding manipulator arm, servomotor, cylinder, sucker, material loading frock can be comprised during three station material loadings, and automatic charging and the Pose Control of thrust plate can be realized.Each material loading needs about 3 seconds, and at every turn three workpiece of material loading simultaneously, so the material loading time of each thrust plate can reach 1 each second.
Step 2, by conveyer thrust plate to be detected is sent to the detection station;
Particularly, in embodiments of the present invention, can adopt conveyer belt that thrust plate is sent to the detection station; And the translational speed of conveyer belt is not less than 0.5m/s.Owing to thrust plate has hundreds of varieties along with the difference of engine model, its chord length generally changes in that [10,35] cm is interval, and the translational speed of conveyer belt can tune to 0.5m/s, in order to guarantee to transmit each second a thrust plate to detecting station.In addition, conveyer belt is the meeting vibration-generating in transport process, but in embodiments of the present invention, owing to the particular design of the detection method that has adopted this programme to provide, can not arrive follow-up oil guide groove detection and thickness detecting step by image so plant vibration.
Step 3, carry out oil guide groove and detect, and collect corresponding oil guide groove and detect information;
Particularly, in embodiments of the present invention, will adopt industrial intelligent camera and strip source to detect oil guide groove, and will collect corresponding oil guide groove and detect information.Wherein, industrial intelligent camera adopts the dynamic camera of A-CAM-GM6400-03 of Canadian DALSA company, can the object of motion be detected, so thrust plate need to not stop at camera place station.Simultaneously, since detection time at Millisecond, much smaller than the thrust plate translational speed, so can not impact the entire system detection speed.
In addition, strip source adopts industrial LED strip source, and brightness height and good directionality can be eliminated the impact that surround lighting causes for detection, greatly improve Detection accuracy.
Step 4, carry out thickness and detect, and collect corresponding thickness and detect information;
Particularly, in embodiments of the present invention, will adopt the high precision laser displacement sensor thickness measuring.In this programme, high precision laser displacement sensor adopts the AR700-025 laser displacement sensor of two U.S. ACUITY companies, is installed in respectively the up and down both sides of thrust plate to be detected, and adjusts its position and realize correlation, and the thickness accuracy of detection can reach ± 1.5 μ m.In addition, adopt correlation mode thickness measuring can also eliminate the measure error that the conveyer belt vibration causes.
Step 5, according to detection information, thrust plate to be detected is carried out attribute classification.
Particularly, in embodiments of the present invention, be to detect information according to automatically intercepting the thickness of collecting when the oil guide groove of carrying out collecting when oil guide groove detects detects information and carries out the thickness detection according to detection information.When detecting substandard product, will adopt pusher to collect substandard products, wherein pusher comprises the parts such as cylinder, connecting rod.The oil guide groove of can automatically intercepting this pusher detects and thickness detects the information of exporting, and when detecting substandard product, triggers connecting rod, and it is pushed to the substandard products collection box.
And it is qualified non-defective unit that the product that is not pushed to the substandard products collection box is then given tacit consent to, so, will adopt the landing device to collect non-defective unit; All finish Detection task this moment when whole detection system is to this step, only need landing can collect certified products, adopt on the other hand the landing device to collect non-defective unit, can also reduce system complexity, reduce expenses.
In addition, the embodiment of the invention also provides a kind of thrust plate quality restriction system.As shown in Figure 2, a kind of thrust plate quality restriction system schematic that provides for the embodiment of the invention.
A kind of thrust plate quality restriction system comprises feeding device 11, conveyer 22, oil guide groove checkout gear 33, thickness detection apparatus 44 and sorter 55.
Particularly, in embodiments of the present invention, will be by three stations with the thrust plate automatic charging, further, the parts such as feeding manipulator arm, servomotor, cylinder, sucker, material loading frock can be comprised during three station material loadings, and automatic charging and the Pose Control of thrust plate can be realized.Each material loading needs about 3 seconds, and at every turn three workpiece of material loading simultaneously, so the material loading time of each thrust plate can reach 1 each second.
Conveyer 22 is used for by conveyer thrust plate to be detected being sent to the detection station;
Particularly, in embodiments of the present invention, can adopt conveyer belt that thrust plate is sent to the detection station; And the translational speed of conveyer belt is not less than 0.5m/s.Owing to thrust plate has hundreds of varieties along with the difference of engine model, its chord length generally changes in that [10,35] cm is interval, and the translational speed of conveyer belt can tune to 0.5m/s, in order to guarantee to transmit each second a thrust plate to detecting station.In addition, conveyer belt is the meeting vibration-generating in transport process, but in embodiments of the present invention, owing to the particular design of the detection method that has adopted this programme to provide, can not arrive follow-up oil guide groove detection and thickness detecting step by image so plant vibration.
Oil guide groove checkout gear 33 is used for carrying out oil guide groove and detects, and collects corresponding oil guide groove and detect information;
Particularly, in embodiments of the present invention, will adopt industrial intelligent camera and strip source to detect oil guide groove, and will collect corresponding oil guide groove and detect information.Wherein, industrial intelligent camera adopts the dynamic camera of A-CAM-GM6400-03 of Canadian DALSA company, can the object of motion be detected, so thrust plate need to not stop at camera place station.Simultaneously, since detection time at Millisecond, much smaller than the thrust plate translational speed, so can not impact the entire system detection speed.
In addition, strip source adopts industrial LED strip source, and brightness height and good directionality can be eliminated the impact that surround lighting causes for detection, greatly improve Detection accuracy.
Particularly, in embodiments of the present invention, will adopt the high precision laser displacement sensor thickness measuring.In this programme, high precision laser displacement sensor adopts the AR700-025 laser displacement sensor of two U.S. ACUITY companies, is installed in respectively the up and down both sides of thrust plate to be detected, and adjusts its position and realize correlation, and the thickness accuracy of detection can reach ± 1.5 μ m.In addition, adopt correlation mode thickness measuring can also eliminate the measure error that the conveyer belt vibration causes.
Particularly, in embodiments of the present invention, be to detect information according to automatically intercepting the thickness of collecting when the oil guide groove of carrying out collecting when oil guide groove detects detects information and carries out the thickness detection according to detection information.When detecting substandard product, will adopt pusher to collect substandard products, wherein pusher comprises the parts such as cylinder, connecting rod.The oil guide groove of can automatically intercepting this pusher detects and thickness detects the information of exporting, and when detecting substandard product, triggers connecting rod, and it is pushed to the substandard products collection box.
And it is qualified non-defective unit that the product that is not pushed to the substandard products collection box is then given tacit consent to, so, will adopt the landing device to collect non-defective unit; All finish Detection task this moment when whole detection system is to this step, only need landing can collect certified products, adopt on the other hand the landing device to collect non-defective unit, can also reduce system complexity, reduce expenses.
One of ordinary skill in the art will appreciate that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises step of embodiment of the method one or a combination set of when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics of unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
In sum, this paper provides a kind of thrust plate quality restriction method and system, by first thrust plate to be detected being carried out automatic charging, then by conveyer thrust plate to be detected is sent to the detection station, then carrying out oil guide groove detects, and collect corresponding oil guide groove and detect information, and carry out thickness and detect, and collect corresponding thickness and detect information, finally according to detection information, thrust plate to be detected is carried out attribute classification, and this programme has that detection speed is fast, accuracy of detection is high, automatically carries out, the characteristics of quality restriction process visualization.
More than a kind of thrust plate quality restriction method and system provided by the present invention are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand the solution of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. thrust plate quality restriction method is characterized in that described method comprises:
Step 1, thrust plate to be detected is carried out automatic charging;
Step 2, by conveyer thrust plate to be detected is sent to the detection station;
Step 3, carry out oil guide groove and detect, and collect corresponding oil guide groove and detect information;
Step 4, carry out thickness and detect, and collect corresponding thickness and detect information;
Step 5, according to detection information, thrust plate to be detected is carried out attribute classification.
2. method according to claim 1, it is characterized in that, in the described step 1, it is by comprising the parts such as feeding manipulator arm, servomotor, cylinder, sucker, material loading frock that thrust plate carries out automatic charging, and can realize automatic charging and the Pose Control of thrust plate.
3. method according to claim 1 is characterized in that, in the described step 2, can adopt conveyer belt that thrust plate is sent to the detection station, and the translational speed of conveyer belt is not less than 0.5m/s.
4. method according to claim 1 is characterized in that, in the described step 3, is to adopt industrial intelligent camera and strip source to carry out oil guide groove to detect.
5. method according to claim 4 is characterized in that, described industrial intelligent camera adopts the dynamic camera of A-CAM-GM6400-03 of Canadian DALSA company, can the object of motion be detected, and strip source adopts industrial LED strip source.
6. method according to claim 1, it is characterized in that, in the described step 4, to adopt high precision laser displacement sensor to carry out thickness detects, adopt the AR700-025 laser displacement sensor of two U.S. ACUITY companies, be installed in respectively the up and down both sides of thrust plate to be detected, and adjust its position and realize correlation, the thickness accuracy of detection can reach ± 1.5 μ m.
7. method according to claim 1, it is characterized in that, in the described step 5, that the oil guide groove of collecting when detecting according to oil guide groove detects information and the thickness that carries out collecting when thickness detects detects information, when detecting substandard product, to adopt pusher to collect substandard products, wherein pusher comprises the parts such as cylinder, connecting rod; Adopt the landing device to collect non-defective unit.
8. thrust plate quality restriction system, it is characterized in that, described system comprises feeding device, conveyer, oil guide groove checkout gear, thickness detection apparatus and sorter, by first thrust plate to be detected being carried out automatic charging, then by conveyer thrust plate to be detected is sent to the detection station, then carrying out oil guide groove detects, and collect corresponding oil guide groove and detect information, and carry out thickness and detect, and collect corresponding thickness and detect information, finally according to detection information, thrust plate to be detected is carried out attribute classification.
9. device according to claim 8 is characterized in that, described feeding device is used for thrust plate to be detected is carried out automatic charging.
10. device according to claim 8 is characterized in that, described conveyer is used for by conveyer thrust plate to be detected being sent to the detection station.
11. device according to claim 8 is characterized in that, described oil guide groove checkout gear is used for carrying out oil guide groove and detects, and collects corresponding oil guide groove and detect information.
12. device according to claim 8 is characterized in that, described thickness detection apparatus is used for carrying out thickness and detects, and collects corresponding thickness and detect information.
13. device according to claim 8 is characterized in that, described sorter is used for according to detection information, and thrust plate to be detected is carried out attribute classification.
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| CN2012105530683A CN103028550A (en) | 2012-12-18 | 2012-12-18 | Thrust washer quality inspecting method and system |
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| CN2012105530683A CN103028550A (en) | 2012-12-18 | 2012-12-18 | Thrust washer quality inspecting method and system |
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Cited By (3)
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| CN103776409A (en) * | 2014-02-13 | 2014-05-07 | 香志光 | Automatic plugging sheet measuring machine capable of automatically measuring thickness of plugging sheets and automatically sorting out plugging sheets |
| CN105499152A (en) * | 2016-01-12 | 2016-04-20 | 适新科技（苏州）有限公司 | High-speed automatic detection instrument and method for separation piece thickness |
| CN105784716A (en) * | 2016-04-25 | 2016-07-20 | 苏州玖典智能科技有限公司 | Quality testing system for friction discs |
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| CN202463100U (en) * | 2012-01-17 | 2012-10-03 | 深圳市福和达电子设备有限公司 | Automatic liquid crystal module (LCM) system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103776409A (en) * | 2014-02-13 | 2014-05-07 | 香志光 | Automatic plugging sheet measuring machine capable of automatically measuring thickness of plugging sheets and automatically sorting out plugging sheets |
| CN105499152A (en) * | 2016-01-12 | 2016-04-20 | 适新科技（苏州）有限公司 | High-speed automatic detection instrument and method for separation piece thickness |
| CN105784716A (en) * | 2016-04-25 | 2016-07-20 | 苏州玖典智能科技有限公司 | Quality testing system for friction discs |
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Application publication date: 20130410 |