On-line detection automobile lamp shell defect identification device

Abstract

The invention relates to the field of automobile lamp shell detection, and mainly discloses an on-line detection automobile lamp shell defect recognition device which comprises a working supporting frame, the surface of a conveying roller is sleeved with a conveying belt, second visual detection equipment is arranged on the inner side of the working supporting frame, and a mounting frame is arranged on the outer side face of the working supporting frame. And first visual inspection equipment is arranged on the side surface of the mounting frame. When the lamp shells need to be detected, the lamp shells are firstly placed on the conveying belt, multiple groups of lamp shells are conveniently driven to be conveyed through the conveying belt, and the upper surfaces and the lower surfaces of the lamp shells are conveniently scanned and detected through the cooperation of the first visual detection equipment and the second visual detection equipment subsequently; and then the first electric push rod is subsequently utilized to drive the detection probe to move, so that the detection probe can conveniently extend into a deep cavity formed in the side face of the lamp shell for detection, and the detection precision and the detection accuracy of the lamp shell are conveniently improved.

Description

Technical Field

[0001] This invention relates to the field of automotive lamp housing inspection, and more specifically, to an online inspection device for identifying defects in automotive lamp housings. Background Technology

[0002] As a key component of automotive appearance and safety, the surface quality of automotive lighting housings (including headlight covers, taillight covers, fog light covers, etc.) directly affects the overall aesthetics, optical performance, and sealing reliability of the vehicle. With the increasing complexity of automotive styling designs, modern lighting housings generally use high-transmittance or high-gloss black materials such as polycarbonate (PC) and polymethyl methacrylate (PMMA), and feature complex free-form surfaces, deep cavity structures, and thin-walled characteristics.

[0003] During the production process, injection molding is highly susceptible to defects such as scratches, shrinkage marks, bubbles, flash, impurities, and flow marks. Because automotive OEMs have extremely stringent appearance standards for parts (typically requiring Grade A surface finish and zero-defect delivery), efficient and accurate online inspection and automated sorting have become indispensable components of intelligent manufacturing production lines.

[0004] In existing technologies, the lamp housing is placed on a conveyor and then scanned by a camera during inspection. However, automotive taillights often have blind spots such as deep cavities and the back of ribs, which traditional external cameras cannot cover or reduce the accuracy of the inspection.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Summary of the Invention

[0006] The purpose of this invention is to provide an online detection device for identifying defects in automotive lamp housings, in order to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: An online detection device for identifying defects in automotive lamp housings includes a working support frame. A through hole is provided on the side of the working support frame, and a positioning bearing is installed within the through hole. A conveyor roller is inserted into the positioning bearing, and a conveyor belt is fitted onto the surface of the conveyor roller. A support plate is provided on the side of the working support frame, and a drive motor is installed on the surface of the support plate. A second visual inspection device is installed on the inner side of the working support frame, and a mounting frame is installed on the outer side of the working support frame. A first visual inspection device is installed on the side of the mounting frame. The working support frame has a mounting base plate on its side, a traction plate on its surface, an auxiliary plate on its surface, a lifting groove on its surface, a moving plate inside the lifting groove, a first electric push rod on its side, a rotation groove on its surface, a positioning rod inside the rotation groove, a base on its surface, a support rod on its side, and a detection probe on its end face.

[0008] Furthermore, the drive motor is fixedly connected to the surface of the support plate, the mounting bracket is fixedly connected to the outer side of the working support frame, the inner side of the mounting bracket is provided with a connecting plate, the side of the connecting plate is rotatably connected with a support roller, and the second visual inspection device is located at the bottom of the connecting plate.

[0009] Furthermore, the conveyor belt surface is provided with a scanning port, and a transparent rubber frame is provided on the inner side of the scanning port, the height of the inner side of the transparent rubber frame being lower than the height of the inner side of the scanning port.

[0010] Furthermore, the second visual inspection device is located at the bottom of the connecting plate, between the upper and lower surfaces of the conveyor belt, and the first and second visual inspection devices are aligned vertically.

[0011] Furthermore, the mounting base plate is fixedly connected to the outer side of the working support frame, a support frame plate is provided on the side of the mounting base plate, a second electric push rod is provided on the inner side of the support frame plate, and the telescopic end of the second electric push rod is fixedly connected to the side of the auxiliary plate.

[0012] Furthermore, the auxiliary plate has a movable opening on its side, and the auxiliary plate is fitted onto the traction plate through the movable opening. The auxiliary plate and the traction plate are slidably connected, and the traction plate is fixedly connected to the surface of the mounting base plate.

[0013] Furthermore, the auxiliary plate is provided with a lifting plate on its side. There are two sets of lifting plates, which are symmetrically distributed about the lifting groove. Guide grooves are opened on the surface of both sets of lifting plates, and a limit bearing is provided on the surface of the guide groove opened on the surface of one set of lifting plates.

[0014] Furthermore, a lifting screw is fixedly connected to the inner ring surface of the limiting bearing, a mounting plate is provided on the side of the first electric push rod, and a slider is provided on the side of the mounting plate. There are two sets of sliders, one set of which is screwed onto the lifting screw, and the other set of which is slidably connected to the guide groove.

[0015] Furthermore, the surface of the mounting plate is provided with a load-bearing support plate, which is located at the bottom of the movable plate. The movable plate is slidably connected to the lifting groove and the load-bearing support plate.

[0016] Furthermore, a motor frame is provided on the surface of the movable plate, a motor is provided on the surface of the motor frame, a bearing is provided on the surface of the rotating groove, the positioning rod is fixedly connected to the inner ring surface of the bearing, the drive end of the motor is fixedly connected to the end face of the positioning rod, and the base is fixedly connected to the surface of the positioning rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects: When it is necessary to inspect the lamp housing, the lamp housing is first placed on a conveyor belt. The conveyor belt facilitates the transport of multiple sets of lamp housings, which is convenient for subsequent scanning and inspection of the upper and lower surfaces of the lamp housing by the cooperation of the first vision inspection device and the second vision inspection device. Then, the first electric push rod is used to drive the detection probe to move, which facilitates the insertion of the detection probe into the deep cavity opened on the side of the lamp housing for inspection, thereby improving the inspection accuracy of the lamp housing. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an online detection device for identifying defects in automotive lamp housings according to an embodiment of the present invention; Figure 2 yes Figure 1 Enlarged structural diagram at point A in the diagram; Figure 3 This is a top view of an online detection device for identifying defects in automotive lamp housings according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of an online detection device for identifying defects in automotive lamp housings according to an embodiment of the present invention when tilted. Figure 5 yes Figure 4 Enlarged structural diagram at point B in the diagram; Figure 6 This is a partial cross-sectional view of an online detection device for identifying defects in automotive lamp housings according to an embodiment of the present invention; Figure 7 yes Figure 6 Enlarged structural diagram at point C; Figure 8 This is a partial cross-sectional view of an online detection device for identifying defects in automotive lamp housings according to an embodiment of the present invention; Figure 9 This is a side view of an online detection device for identifying defects in automotive lamp housings according to an embodiment of the present invention; Figure 10 yes Figure 9 A magnified structural diagram at point D in the diagram.

[0020] Figure label: 1. Working support frame; 2. Positioning bearing; 3. Conveyor roller; 4. Conveyor belt; 5. Support plate; 6. Drive motor; 7. Second vision inspection equipment; 8. Mounting frame; 9. First vision inspection equipment; 10. Mounting base plate; 11. Traction plate; 12. Auxiliary plate; 13. Lifting groove; 14. Moving plate; 15. First electric push rod; 16. Rotating groove; 17. Positioning rod; 18. Base; 19. Support rod; 20. Detection probe; 21. Scanning port; 22. Transparent rubber frame; 23. Support frame plate; 24. Second electric push rod; 25. Moving port; 26. Lifting plate; 27. Guide groove; 28. Limit bearing; 29. ​​Lifting screw; 30. Mounting fixing plate; 31. Slider; 32. Load-bearing support plate; 33. Motor frame; 34. Motor; 35. Bearing; 36. Connecting plate; 37. Support roller. Detailed Implementation

[0021] The invention will now be further described with reference to the accompanying drawings and specific embodiments: Example 1

[0022] Please see Figures 1-10 According to an embodiment of the present invention, an online detection device for identifying defects in automotive lamp housings includes a working support frame 1. A through hole is provided on the side of the working support frame 1, and a positioning bearing 2 is disposed within the through hole. A conveyor roller 3 is inserted into the positioning bearing 2, and a conveyor belt 4 is fitted onto the surface of the conveyor roller 3. A support plate 5 is provided on the side of the working support frame 1, and a drive motor 6 is disposed on the surface of the support plate 5. A second visual inspection device 7 is disposed on the inner side of the working support frame 1, and a mounting frame 8 is disposed on the outer side of the working support frame 1. A first visual inspection device 9 is disposed on the side of the mounting frame 8. The drive motor 6, in conjunction with the positioning bearing 2, facilitates the rotation of the conveyor roller 3, thereby rotating the conveyor belt 4. This facilitates the subsequent transport of the automotive lamp housing to the inspection equipment for testing, improving the degree of automation.

[0023] The working support frame 1 has a mounting base plate 10 on its side. A traction plate 11 is provided on the surface of the mounting base plate 10. An auxiliary plate 12 is fitted on the surface of the traction plate 11. A lifting groove 13 is formed on the surface of the auxiliary plate 12. A moving plate 14 is provided in the lifting groove 13. A first electric push rod 15 is provided on the side of the moving plate 14. A rotating groove 16 is formed on the surface of the moving plate 14. A positioning rod 17 is provided in the rotating groove 16. A base 18 is fitted on the surface of the positioning rod 17. A support rod 19 is provided on the side of the base 18. A detection probe 20 is provided on the end face of the support rod 19. When it is necessary to inspect the automotive lamp housing with a deep cavity, the first electric push rod 15 is activated to move the detection probe 20, so that the detection probe 20 can be inserted into the interior of the lamp housing, thereby facilitating the inspection of the interior of the automotive lamp housing and improving the accuracy of the lamp housing inspection.

[0024] Please see Figures 1-4 As shown, the drive end of the drive motor 6 is fixedly connected to the end face of the conveyor roller 3, the conveyor roller 3 is fixedly connected to the inner ring surface of the positioning bearing 2, the mounting bracket 8 is fixedly connected to the outer side of the working support frame 1, and a scanning port 21 is opened on the surface of the conveyor belt 4. A transparent rubber frame 22 is provided on the inner side of the scanning port 21. The height of the inner side of the transparent rubber frame 22 is lower than the height of the inner side of the scanning port 21. The drive motor 6 facilitates the rotation of the conveyor roller 3, thereby driving the conveyor belt 4 to rotate, which facilitates the transportation of the automotive lamp housing to a suitable position. The automotive lamp housing can be placed in the transparent... The surface of the rubber frame 22 has a groove formed between it and the scanning port 21 because the transparent rubber frame 22 is inside the scanning port 21 and the height of the transparent rubber frame 22 is less than the height of the scanning port 21. Therefore, when the car lamp housing is placed in the groove, there will be no random displacement, which facilitates inspection. The opening of the scanning port 21 facilitates the second vision inspection device 7 to scan and inspect the bottom of the lamp housing. In addition, the transparent rubber frame 22 does not obstruct the bottom of the lamp housing, which allows the second vision inspection device 7 to inspect the bottom of the lamp housing through the transparent rubber frame 22.

[0025] The mounting frame 8 has a connecting plate 36 on its inner side, and a support roller 37 is rotatably connected to the side of the connecting plate 36. The second visual inspection device 7 is fixedly connected to the bottom of the connecting plate 36. The second visual inspection device 7 and the support roller 37 are staggered vertically to avoid the support roller 37 obstructing the top of the second visual inspection device 7 and affecting its inspection effect. The support roller 37 supports the inner surface of the conveyor belt 4. The support of the support roller 37 prevents the middle part of the conveyor belt 4 from sinking due to the long conveying distance. The connecting plate 36 facilitates the support of the second visual inspection device 7.

[0026] The second visual inspection device 7 is located between the upper and lower surfaces of the conveyor belt 4. The first visual inspection device 9 and the second visual inspection device 7 are aligned vertically. The vertical arrangement of the first visual inspection device 9 and the second visual inspection device 7 facilitates the simultaneous inspection of the upper and lower surfaces of the automotive lamp housing, thereby improving the inspection effect of the lamp housing. Example 2

[0027] Please see Figures 4-8 As shown, the mounting base plate 10 is fixedly connected to the outer side of the working support frame 1. A support frame plate 23 is provided on the side of the mounting base plate 10. A second electric push rod 24 is provided on the inner side of the support frame plate 23. The telescopic end of the second electric push rod 24 is fixedly connected to the side of the auxiliary plate 12. The traction plate 11 is generally in the shape of an "L" plate. A movable opening 25 is provided on the side of the auxiliary plate 12. The auxiliary plate 12 is fitted onto the traction plate 11 through the movable opening 25. The auxiliary plate 12 and the traction plate 11 are slidably connected. The traction plate 11 is fixedly connected to the surface of the mounting base plate 10. The mounting base plate 10 is fixedly connected to the side of the working support frame 1 by positioning bolts. The auxiliary plate 12 can be moved laterally by activating the second electric push rod 24, thereby moving the detection probe 20 laterally within the deep cavity of the lamp housing, thus improving the detection accuracy of the inside of the lamp housing. In addition, the sliding connection between the auxiliary plate 12 and the traction plate 11 also reduces the downward pressure of the auxiliary plate 12 on the telescopic end of the second electric push rod 24.

[0028] Please see Figures 6-8 As shown, the auxiliary plate 12 is provided with a lifting plate 26 on its side. Two sets of lifting plates 26 are symmetrically distributed about the lifting groove 13. Guide grooves 27 are formed on the surface of each set of lifting plates 26. A limit bearing 28 is provided on the surface of the guide groove 27 of one set of lifting plates 26. A lifting screw 29 is fixedly connected to the inner ring of the limit bearing 28. A mounting plate 30 is provided on the side of the first electric push rod 15. A slider 31 is provided on the side of the mounting plate 30. Two sets of sliders 31 are provided, one set... The slider 31 is screwed onto the lifting screw 29, and another set of sliders 31 is slidably connected to the guide groove 27. The slider 31 has a square plate structure, which, in conjunction with the limit bearing 28, facilitates the rotation of the lifting screw 29, thereby driving the slider 31 to move up and down, thus facilitating the height adjustment of the mounting plate 30. The height adjustment of the mounting plate 30, in turn, drives the height adjustment of the detection probe 20, which facilitates the subsequent detection of deep cavities at different heights, improves the practicality of the equipment, and makes it suitable for various automotive lamp housings.

[0029] Please see Figures 8-10As shown, the mounting plate 30 has a load-bearing support plate 32 on its surface. The load-bearing support plate 32 has an overall "L"-shaped plate structure and is located at the bottom of the moving plate 14. The moving plate 14 is slidably connected to the lifting groove 13 and the load-bearing support plate 32. The moving plate 14 has a motor frame 33 on its surface and a motor 34 on its surface. The rotating groove 16 has a bearing 35 on its surface. The positioning rod 17 is fixedly connected to the inner ring surface of the bearing 35, and the drive end of the motor 34 is fixedly connected to the positioning rod 17. The base 18 is fixedly connected to the surface of the positioning rod 17. When the first electric push rod 15 moves the moving plate 14, the bottom of the moving plate 14 can be supported by the load-bearing plate 32 to reduce the downward pressure of the moving plate 14 on the first electric push rod 15. In addition, the base 18 can be rotated by the starter motor 34 in conjunction with the bearing 35. The rotation of the base 18 will drive the support rod 19 to rotate, thus facilitating the angular rotation of the detection probe 20 in the deep cavity and further improving the detection accuracy of the deep cavity of the automotive lamp housing.

[0030] According to the above-described solution of the present invention, when it is necessary to inspect the lamp housing, the lamp housing is first placed on the conveyor belt 4. The conveyor belt 4 facilitates the transport of multiple sets of lamp housings, which is convenient for subsequent scanning and inspection of the upper and lower surfaces of the lamp housing by the cooperation of the first vision inspection device 9 and the second vision inspection device 7. Then, the first electric push rod 15 is used to drive the detection probe 20 to move, which facilitates the insertion of the detection probe 20 into the deep cavity opened on the side of the lamp housing for inspection, thereby improving the inspection accuracy of the lamp housing.

[0031] The first vision inspection device 9 and the second vision inspection device 7 work together to inspect the automotive lamp housing from both top and bottom. In addition, the inspection probe 20 performs multi-angle inspection of the deep cavity inside the lamp housing. This improves the comprehensiveness and accuracy of product inspection, and also greatly increases the efficiency of automotive lamp inspection by more than 50%. It also avoids the need to flip the product during scanning inspection, which would have increased manpower and reduced efficiency.

[0032] Traditionally, during inspection, the lamp housing is placed on conveyor belt 4, and the upper surface of the product is scanned by a scanning device. After inspection, the product is flipped over and scanned again. Experiments have shown that it takes about 15 minutes to flip and scan 100 sets of automotive lamp housings. Moreover, because the surface of the automotive lamp housing is curved, uneven placement and shadows may occur, increasing the error during inspection. However, with the coordinated operation of the top and bottom scanning of this device and the detection probe 20, the inspection of 100 sets of automotive lamp housings can be completed in about 7 minutes. Furthermore, the transparent rubber frame 22 ensures that the automotive lamp housing can be scanned by the second vision inspection device 7 during placement. Thus, the coordinated operation of the first vision inspection device 9, the second vision inspection device 7, and the multi-angle adjustable detection probe 20 significantly increases the efficiency and accuracy of inspection.

[0033] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An online detection device for identifying defects in automotive lamp housings, comprising a working support frame (1), characterized in that, The working support frame (1) has a through hole on its side, and a positioning bearing (2) is installed in the through hole. A conveyor roller (3) is inserted into the positioning bearing (2). A conveyor belt (4) is sleeved on the surface of the conveyor roller (3). A support plate (5) is installed on the side of the working support frame (1). A drive motor (6) is installed on the surface of the support plate (5). A second vision inspection device (7) is installed on the inner side of the working support frame (1). An installation frame (8) is installed on the outer side of the working support frame (1). A first vision inspection device (9) is installed on the side of the installation frame (8). The working support frame (1) has a mounting base plate (10) on its side. The mounting base plate (10) has a traction plate (11) on its surface. The traction plate (11) has an auxiliary plate (12) on its surface. The auxiliary plate (12) has a lifting groove (13) on its surface. The lifting groove (13) has a moving plate (14) inside its surface. The moving plate (14) has a first electric push rod (15) on its side. The moving plate (14) has a rotating groove (16) on its surface. The rotating groove (16) has a positioning rod (17) inside its surface. The positioning rod (17) has a base (18) on its surface. The base (18) has a support rod (19) on its side. The support rod (19) has a detection probe (20) on its end face.

2. The online detection device for identifying defects in automotive lamp housings according to claim 1, characterized in that, The drive motor (6) is fixedly connected to the surface of the support plate (5), the mounting bracket (8) is fixedly connected to the outer side of the working support frame (1), the inner side of the mounting bracket (8) is provided with a connecting plate (36), the side of the connecting plate (36) is rotatably connected with a support roller (37), and the second visual inspection device (7) is set at the bottom of the connecting plate (36).

3. The online detection device for identifying defects in automotive lamp housings according to claim 1, characterized in that, The conveyor belt (4) has a scanning port (21) on its surface. A transparent rubber frame (22) is provided on the inner side of the scanning port (21). The height of the inner side of the transparent rubber frame (22) is lower than the height of the inner side of the scanning port (21).

4. The online detection device for identifying defects in automotive lamp housings according to claim 1, characterized in that, The second visual inspection device (7) is fixedly connected to the bottom of the connecting plate 36. The second visual inspection device (7) is located between the upper and lower surfaces of the conveyor belt (4). The first visual inspection device (9) and the second visual inspection device (7) are aligned vertically.

5. The online detection device for identifying defects in automotive lamp housings according to claim 1, characterized in that, The mounting base plate (10) is fixedly connected to the outer side of the working support frame (1). A support frame plate (23) is provided on the side of the mounting base plate (10). A second electric push rod (24) is provided on the inner side of the support frame plate (23). The telescopic end of the second electric push rod (24) is fixedly connected to the side of the auxiliary plate (12).

6. The online detection device for identifying defects in automotive lamp housings according to claim 5, characterized in that, The auxiliary plate (12) has a movable opening (25) on its side. The auxiliary plate (12) is fitted onto the traction plate (11) through the movable opening (25). The auxiliary plate (12) and the traction plate (11) are slidably connected. The traction plate (11) is fixedly connected to the surface of the mounting base plate (10).

7. The online detection device for identifying defects in automotive lamp housings according to claim 5, characterized in that, The auxiliary plate (12) is provided with a lifting plate (26) on its side. There are two sets of lifting plates (26). The two sets of lifting plates (26) are symmetrically distributed about the lifting groove (13). The surfaces of the two sets of lifting plates (26) are provided with guide grooves (27). The surface of the guide groove (27) on the surface of one set of lifting plates (26) is provided with a limit bearing (28).

8. The online detection device for identifying defects in automotive lamp housings according to claim 7, characterized in that, The inner ring of the limiting bearing (28) is fixedly connected to a lifting screw (29). The first electric push rod (15) is provided with a mounting plate (30) on its side. The mounting plate (30) is provided with a slider (31) on its side. There are two sets of sliders (31). One set of sliders (31) is screwed onto the lifting screw (29), and the other set of sliders (31) is slidably connected to the guide groove (27).

9. The online detection device for identifying defects in automotive lamp housings according to claim 8, characterized in that, The mounting plate (30) is provided with a load-bearing support plate (32) on its surface. The load-bearing support plate (32) is located at the bottom of the moving plate (14). The moving plate (14) is slidably connected to the lifting groove (13). The moving plate (14) is slidably connected to the load-bearing support plate (32).

10. The online detection device for identifying defects in automotive lamp housings according to claim 1, characterized in that, The moving plate (14) is provided with a motor frame (33), the motor frame (33) is provided with a motor (34), the rotating groove (16) is provided with a bearing (35), the positioning rod (17) is fixedly connected to the inner ring surface of the bearing (35), the driving end of the motor (34) is fixedly connected to the end face of the positioning rod (17), and the base (18) is fixedly connected to the surface of the positioning rod (17).

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