Device applied to oil seal visual inspection

Abstract

The utility model discloses a device applied to oil seal visual inspection, which comprises a detection platform, the detection platform is provided with a feeding station and a detection station, the feeding station is provided with a jig plate for placing a workpiece, the middle part of the jig plate is provided with an avoiding hole, and the detection station is provided with a through hole; the transfer mechanism is used for driving the jig plate to move back and forth between the feeding station and the detection station; visual detection mechanisms are respectively arranged above and below the detection station, the visual detection mechanisms are used for detecting the quality of the upper surface and the lower surface of the workpiece, and the lower visual detection mechanism detects the quality of the lower surface of the workpiece through the through hole; the device further comprises a control module which is electrically connected with the visual detection mechanism and the transfer mechanism. According to the utility model, push-in, push-out and detection of the oil seal at the detection station are automatically completed, the detection is efficient, accurate and reliable, the product quality is ensured, the labor cost is saved, and the operation is simple, convenient and visual.

Description

Technical Field

[0001] The utility model relates to the technical field of detection, in particular to a device applied to visual inspection of oil seals. Background Art

[0002] The oil seal end cover is a main component of the engine assembly. If there are aluminum chips / foreign objects, breakage / burrs on the surface of the oil seal, leakage will occur during leak detection after the engine assembly is installed. Therefore, it is very important to accurately and reliably identify the defects in the appearance quality of the oil seal.

[0003] However, at present, the visual inspection of the appearance quality of the oil seal is mainly carried out by personnel's visual observation. After the eyes are exposed to light and long-term observation, visual fatigue will occur, and the detection efficiency is low, and there is a risk of misdetection or missed detection, which cannot effectively ensure the accuracy and reliability of the detection.

[0004] Therefore, in order to solve the above problems, it is necessary to develop a device applied to visual inspection of oil seals, so that the pushing, pushing out and detection of the oil seal at the detection station can be automatically completed, the detection is efficient, accurate and reliable, the product quality is guaranteed, the labor cost is saved, and the operation is simple and intuitive. Summary of the Utility Model

[0005] In order to solve the above problems, the technical solutions adopted by the utility model are as follows:

[0006] A device applied to visual inspection of oil seals, including a detection platform, characterized in that a loading station and a detection station are arranged on the detection platform, a jig plate for placing workpieces is arranged on the loading station, an avoidance hole is opened in the middle of the jig plate, and a through hole is opened in the detection station;

[0007] It further includes a transfer mechanism for driving the jig plate to move back and forth between the loading station and the detection station;

[0008] Visual inspection mechanisms are respectively arranged above and below the detection station, the visual inspection mechanism is used to detect the quality of the upper surface and the lower surface of the workpiece, and the visual inspection mechanism below detects the quality of the lower surface of the workpiece through the through hole;

[0009] It further includes a control module, and the control module is electrically connected to the visual inspection mechanism and the transfer mechanism.

[0010] Preferably, the visual inspection mechanism includes a vertical frame located on one side of the through hole, and a camera module coaxial with the through hole is arranged on the vertical frame.

[0011] Preferably, the visual inspection mechanism further includes a light source located between the jig plate and the camera module, the light source is in a ring structure, and the light source is connected to the vertical frame.

[0012] Preferably, the visual inspection mechanism further includes movable background plate assemblies respectively disposed above and below the inspection station.

[0013] Preferably, the movable background plate assembly includes a movable background plate and a first driving assembly for driving the movable background plate away from or close to the inspection station.

[0014] Preferably, the first driving assembly includes a first driver and a first slide rail pair. The first driver is connected to the inspection platform, and the driving end of the first driver is connected to the movable background plate through the slider of the first slide rail pair.

[0015] Preferably, a barcode scanner is disposed above the inspection station. The barcode scanner is used to read and identify the two-dimensional code on the workpiece, and the barcode scanner is electrically connected to the control module.

[0016] Preferably, a transmissive photoelectric sensor is disposed outside the inspection station. The transmissive photoelectric sensor is used to detect whether the workpiece is in place;

[0017] Button boxes are oppositely disposed on both sides of the front end of the inspection station. The button boxes are electrically connected to the control module.

[0018] Preferably, a touch display screen is disposed above the front end of the inspection platform. The touch display screen is electrically connected to the control module.

[0019] Preferably, an alarm is further included and disposed above the frame of the inspection platform.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] 1. The utility model enables the automatic pushing, pushing out and inspection of the oil seal at the inspection station. The defects of the oil seal are automatically identified through CCD technology. The inspection is efficient, accurate and reliable, saving labor costs and ensuring product quality; and the defect results of each workpiece inspection can be directly displayed, and the inspection data can be classified, recorded and managed, and the operation is simple and intuitive.

[0022] 2. The two-dimensional code information of the oil seal is automatically obtained through the barcode scanner and transmitted to the control module to distinguish between qualified and unqualified products, which is convenient for later processing for data statistical analysis and traceability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is one of the three-dimensional structure diagrams of the present utility model;

[0024] Figure 2 is the second three-dimensional structure diagram of the present utility model;

[0025] Figure 3 is the front view of the present utility model;

[0026] Wherein: the detection platform 1, the fixture plate 2, the transfer mechanism 3, the vision detection mechanism 4, the control module 5, the barcode scanner 6, the opposed photoelectric sensor 7, the button box 8, the touch display screen 9, the alarm 10, the loading station 11, the detection station 12, the avoidance hole 21, the transfer driver 31, the transfer slide pair 32, the vertical frame 41, the camera module 42, the light source 43, the movable background plate assembly 44, the through hole 121, the movable background plate 441, the first driving assembly 442, the first driver 4421, the first slide pair 4422. Detailed implementation manners

[0027] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "front", "rear", "left", "right", "upper", "lower" and similar expressions used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0030] Next, in combination with the drawings and specific implementation manners, the present invention will be further described:

[0031] As Figures 1-3 shown, a device for visual inspection of oil seals includes a detection platform 1, a loading station 11 and a detection station 12 are arranged on the detection platform 1, a fixture plate 2 for placing workpieces is arranged on the loading station 11, an avoidance hole 21 is opened in the middle of the fixture plate 2, and a through hole 121 is opened in the detection station 12;

[0032] It further includes a transfer mechanism 3 for driving the fixture plate 2 to move back and forth between the loading station 11 and the detection station 12;

[0033] Above and below the detection station 12, vision detection mechanisms 4 are respectively arranged. The vision detection mechanisms 4 are used to detect the quality of the upper and lower surfaces of the workpiece. The lower vision detection mechanism 4 detects the quality of the lower surface of the workpiece through the through hole 121.

[0034] It further includes a control module 5, and the control module 5 is electrically connected to the vision detection mechanism 4 and the transfer mechanism 3.

[0035] In this embodiment, during operation, first, the workpiece is manually placed on the jig plate 2 and positioned. Then, the transfer mechanism 3 drives the jig plate 2 and the workpiece to be transferred to the detection station 12. After arriving, the upper and lower vision detection mechanisms 4 respectively take pictures of the upper and lower surfaces of the workpiece. After the picture taking is completed, the transfer mechanism 3 drives the jig plate 2 and the workpiece to return to the loading station 11. Then, the vision detection mechanism 4 transmits the detection pictures to the control module 5. The control module 5 automatically compares and analyzes the reference pictures with the detection pictures through the built-in program and makes a judgment result of qualified or unqualified; at the same time, the control module 5 can also store each detection picture to form data for subsequent query and analysis.

[0036] In this embodiment, the transfer mechanism 3 includes a transfer driver 31 and a transfer slide rail pair 32. The jig plate 2 is connected to the slider of the transfer slide rail pair 32, and the driving end of the transfer driver 31 is connected to the slider of the transfer slide rail pair 32, so as to stably drive the jig plate 2 to move back and forth between the loading station 11 and the detection station 12.

[0037] Further, as shown in Figure 1 、 2 、3, the vision detection mechanism 4 includes a vertical frame 41 located on one side of the through hole 121, and a camera module 42 coaxial with the through hole 121 is arranged on the vertical frame 41.

[0038] In this embodiment, the camera module 42 is a CCD camera. It identifies workpiece defects through CCD technology, adds a color photo-taking function to assist manual identification. Under the action of the control module 5, it can directly display the defect results of each workpiece detection, and classify, record and manage the detection data, with simple and intuitive operation.

[0039] Further, as shown in Figure 1 、 2 、3, in order to improve the photo-taking effect of the camera module 42 and improve the detection accuracy; the vision detection mechanism 4 further includes a light source 43 located between the jig plate 2 and the camera module 42. The light source 43 is in a ring structure, and the light source 43 is connected to the vertical frame 41. The light source 43 is connected to the vertical frame through a connecting frame. When the camera module 42 takes pictures, the light source 43 is automatically started, and the details in the photo are highlighted by increasing the brightness to improve the detection precision.

[0040] Further, as shown in Figure 1 , 2 , and Figure 3, the vision detection mechanism 4 further includes movable background plate assemblies 44 respectively disposed above and below the detection station 12.

[0041] In this embodiment, the movable background plate assembly 44 is used to reduce unnecessary light interference during photographing and improve the imaging quality of the photo.

[0042] Further, as shown in Figure 1 , 2 , and Figure 3, the movable background plate assembly 44 includes a movable background plate 441 and a first driving assembly 442 for driving the movable background plate 441 away from or close to the detection station 12.

[0043] In this embodiment, the upper movable background plate 441 is located between the fixture plate 2 and the light source 43, and the lower movable background plate 441 is located between the surface of the detection station 12 and the light source 43; when the upper camera module 42 takes a picture of the upper surface of the workpiece, the lower first driving assembly 442 drives the corresponding movable background plate 441 to move below the measurement station, and after completion, the lower first driving assembly 442 drives in the reverse direction to reset the corresponding movable background plate 441; similarly, when the lower camera module 42 takes a picture of the lower surface of the workpiece, the upper first driving assembly 442 is driven in the above manner, so that through the action of the movable background plate 441, the defects on the surface of the workpiece can be accurately detected, effectively improving the detection accuracy.

[0044] Further, as shown in Figure 1 , 2 , and Figure 3, in order to avoid jitter during the movement of the movable background plate 441, improve the smoothness, and reduce the influence on taking pictures; the first driving assembly 442 includes a first driver 4421 and a first slide rail pair 4422, the first driver 4421 is connected to the detection platform 1, and the driving end of the first driver 4421 is connected to the movable background plate 441 through the slider of the first slide rail pair 4422.

[0045] Further, as shown in Figure 1 , 2 , and Figure 3, a barcode scanner 6 is disposed above the detection station 12, the barcode scanner 6 is used to read and identify the two-dimensional code on the workpiece, and the barcode scanner 6 is electrically connected to the control module 5.

[0046] In this embodiment, the obtained two-dimensional code information is transmitted to the control module 5 to distinguish between qualified and unqualified products, facilitating data statistical analysis and traceability in later processing.

[0047] Further, as shown inFigure 1 , 2 As shown in Figure 3, in order to ensure that the workpiece is installed in place, an opposed photoelectric sensor 7 is provided outside the detection station 12, and the opposed photoelectric sensor 7 is used to detect whether the workpiece is in place.

[0048] Furthermore, button boxes 8 are oppositely arranged on both sides of the front end of the detection station 12, and the button boxes 8 are electrically connected to the control module 5.

[0049] In this embodiment, when the opposed photoelectric sensor 7 detects that the workpiece is installed in place, an operator presses the measurement buttons on both sides of the button boxes 8 with both hands at the same time to start the device.

[0050] Furthermore, as Figure 1 , 2 shown in Figure 3, a touch display screen 9 is provided above the front end of the detection platform 1, and the touch display screen 9 is electrically connected to the control module 5.

[0051] In this embodiment, through the touch display screen 9, the defect position of the workpiece can be intuitively and real-time viewed on the test interface, which is convenient for the on-site operation and monitoring of the operator.

[0052] Furthermore, as Figure 1 , 3 shown, an alarm 10 is further included and is arranged above the frame of the detection platform 1.

[0053] In this embodiment, the alarm 10 is a three-color alarm light, which displays green with high brightness when qualified and red when unqualified, playing a warning and prompting role; and the alarm 10 has a buzzer alarm function.

[0054] For those skilled in the art, various corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the utility model patent.

Claims

1. A device for visual inspection of oil seals, comprising a detection platform, characterized in that: The inspection platform is provided with a loading station and an inspection station, the loading station is provided with a fixture plate for placing workpieces, a avoidance hole is opened in the middle of the fixture plate, and a through hole is opened on the inspection station; It also includes a transfer mechanism, which is used to drive the jig plate to move back and forth between the loading station and the inspection station; Visual inspection mechanisms are respectively arranged above and below the inspection station, and are used to inspect the quality of the upper and lower surfaces of the workpiece, and the visual inspection mechanism below inspects the quality of the lower surface of the workpiece through the through hole; It also includes a control module, which is electrically connected to the visual detection mechanism and the transfer mechanism.

2. The device for visual inspection of oil seals according to claim 1, characterized in that: The visual inspection mechanism comprises a stand located at one side of the through hole, and a camera module coaxial with the through hole is arranged on the stand.

3. The device for visual inspection of oil seals according to claim 2, characterized in that: The visual inspection mechanism also includes a light source located between the fixture plate and the camera module. The light source is in a ring structure and is connected to the stand.

4. The device for visual inspection of oil seals according to claim 2, characterized in that: The visual inspection mechanism also includes movable background plate components respectively arranged above and below the inspection station.

5. The device for visual inspection of oil seals according to claim 4, characterized in that: The movable background plate assembly comprises a movable background plate and a first driving assembly for driving the movable background plate to move away from or approach the detection station.

6. The device for visual inspection of oil seals according to claim 5, characterized in that: The first driving assembly includes a first driver and a first slide rail pair. The first driver is connected to the detection platform. The driving end of the first driver is connected to the movable background plate through a slider of the first slide rail pair.

7. The device for visual inspection of oil seals according to claim 1, characterized in that: A barcode scanner is provided above the detection station, and the barcode scanner is used to read and identify the two-dimensional code on the workpiece, and the barcode scanner is electrically connected to the control module.

8. The device for visual inspection of oil seals according to claim 1, characterized in that: A through-beam photoelectric sensor is arranged outside the detection station, and the through-beam photoelectric sensor is used to detect whether the workpiece is in place; Button boxes are arranged opposite to each other at both sides of the front end of the detection station, and the button boxes are electrically connected to the control module.

9. The device for visual inspection of oil seals according to claim 1, characterized in that A touch screen is arranged above the front end of the detection platform, and the touch screen is electrically connected to the control module.

10. The device for visual inspection of oil seals according to claim 1, characterized in that , and also includes an alarm device arranged above the rack of the detection platform.

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