Automatic visual inspection machine for appearance defects of automobile parts

Abstract

The utility model discloses an automatic visual inspection machine for appearance defects of automobile parts, which comprises a transportation mechanism, a visual inspection machine and a turnover mechanism, the visual inspection machine is mounted at the top end of the transportation mechanism, and the turnover mechanism is arranged on the transportation mechanism. The conveying mechanism conveys parts detected by the visual detector to the position between the guide plates, the parts are guided by the guide plates until the parts are in contact with the trigger switch, at the moment, the second motor is started to drive the screw to move and drive the guide plates to move until the parts are clamped and fixed, then the first motor is started, the first motor drives the movable shaft to rotate, and the movable shaft is driven to move. The guide plate drives the parts to turn over, and then the parts are conveyed into the visual inspection machine through the conveying mechanism to be detected again, and dead angle faces of the parts are detected, so that the comprehensiveness of detection is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts detection equipment, and specifically relates to an automatic vision detection machine for the appearance defects of automobile parts. Background Technique

[0002] Automobile parts, that is, automobile components, refer to each unit that makes up the whole automobile and products that serve the automobile; with the development of the automobile industry, the types of automobile parts are increasing, and the design, production, and market operation are becoming increasingly complex.

[0003] The classification of automobile parts is very extensive, involving multiple systems and components; for example, engine parts include cylinder heads, engine blocks, oil pans, etc., and powertrain parts include flywheels, pressure plates, clutch discs, transmissions, etc.; in addition, there are braking system parts, steering system parts, body accessories, etc., and each category is further subdivided into many specific parts, such as brake discs, brake drums, brake pads, etc.

[0004] Some automobile parts need to be detected on the outside by a vision detection machine after production and processing to ensure that there are no defects on the outside of the parts, so as to ensure the overall quality of the vehicle. When the parts are placed at the detection point during detection, the contact surface between the parts and the detection point cannot be detected by the detection camera of the vision detection machine, resulting in dead angles in detection and reducing the detection accuracy. Therefore, there is an urgent need for a device to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automatic vision detection machine for the appearance defects of automobile parts to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An automatic vision inspection machine for the appearance defects of automotive parts, including a transportation mechanism, a vision inspection machine, and a flipping mechanism. The vision inspection machine is installed on the top of the transportation mechanism. The flipping mechanism is arranged on the transportation mechanism. The flipping mechanism includes a first fixing block, a worm gear, a worm, a first motor, a movable shaft, a second fixing block, a trigger switch, a guiding plate, a second motor, a screw rod, and a third fixing block. The first fixing block is fixed on the top of the transportation mechanism. The worm gear is movably embedded on one side of the first fixing block. The first motor is fixed on one side of the first fixing block. The worm is fixed at the output end of the first motor. The worm is meshed with the worm gear. The movable shaft is movably embedded inside the first fixing block. One side of the movable shaft is fixed at the center position of the worm gear. The third fixing block is fixed on the outside of the movable shaft. The second fixing block is fixed at the center position of the movable shaft. The trigger switch is embedded and fixed on the second fixing block. The second motor is fixed on one side of the third fixing block. The screw rod is fixed at the output end of the second motor. The screw rod movably passes through the second fixing block. The guiding plate is threadedly sleeved on the outside of the screw rod. The trigger switch is electrically connected to the second motor. During use, the transportation mechanism transports the parts after being detected by the vision inspection machine to the position between the guiding plates. Through the guiding of the guiding plates until the trigger switch is contacted. At this time, the second motor starts, drives the screw rod to move, drives the guiding plate to move until the parts are clamped and fixed. Then the first motor is started. The first motor drives the movable shaft to rotate, so that the guiding plate drives the parts to flip. Then it is transported by the transportation mechanism into the vision inspection machine to be detected again, and the dead corner surfaces of the parts are detected, thus ensuring the comprehensiveness of the detection.

[0007] Preferably, the transportation mechanism includes a horizontal conveyor belt and a U-shaped conveyor belt. There are two horizontal conveyor belts. The U-shaped conveyor belt is arranged on one side of the horizontal conveyor belt. The parts are placed on the horizontal conveyor belt. The parts move into the vision inspection machine. After being detected, they are flipped by the U-shaped conveyor belt, and then transported to the adjacent horizontal conveyor belt, and then transported by the horizontal conveyor belt into the vision inspection machine for re-detection.

[0008] Preferably, the vision inspection machine includes a vision inspection camera, a box body, and a supplementary light. The box body is fixed on the top of the horizontal conveyor belt. The vision inspection camera is installed at the top inside the box body. The supplementary light is fixed on the inner side wall of the box body to facilitate the supplementary light work.

[0009] Preferably, there are two third fixing blocks, symmetrically fixed on both sides of the movable shaft.

[0010] Preferably, the screw rod is a positive and negative screw rod.

[0011] Preferably, there are two vision inspection cameras, respectively located at the upper ends of the two horizontal conveyor belts.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When the present utility model is in use, the transportation mechanism transports the parts detected by the vision inspection machine to the position between the guiding plates. Through the guidance of the guiding plates until the trigger switch is touched, at this time, the second motor starts, drives the screw rod to move, drives the guiding plates to move until the parts are clamped and fixed. Then, the first motor is started, and the first motor drives the movable shaft to rotate, so that the guiding plates drive the parts to flip, and then they are transported to the inside of the vision inspection machine by the transportation mechanism and detected again to detect the dead corner surfaces of the parts, thus ensuring the comprehensiveness of the detection. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of an automatic vision inspection machine for the appearance defects of automotive parts of the present utility model;

[0015] Figure 2 It is a first cross-sectional view of an automatic vision inspection machine for the appearance defects of automotive parts of the present utility model;

[0016] Figure 3 It is a second cross-sectional view of an automatic vision inspection machine for the appearance defects of automotive parts of the present utility model;

[0017] Figure 4 It is an enlarged schematic view of A of an automatic vision inspection machine for the appearance defects of automotive parts of the present utility model.

[0018] In the figure: 1. Transportation mechanism; 2. U-shaped conveyor belt; 3. Horizontal conveyor belt; 4. Box body; 5. Supplementary light; 6. Vision inspection camera; 7. First fixing block; 8. Worm gear; 9. First motor; 10. Worm; 11. Movable shaft; 12. Second motor; 13. Screw rod; 14. Guiding plate; 15. Second fixing block; 16. Trigger switch; 17. Third fixing block. Detailed Embodiment

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-4, the present utility model provides an automated vision inspection machine for the appearance defects of automotive parts, including a transportation mechanism 1, a vision inspection machine, and a flipping mechanism. The vision inspection machine is installed on the top of the transportation mechanism 1, and the flipping mechanism is on the transportation mechanism 1. The flipping mechanism includes a first fixed block 7, a worm gear 8, a worm 10, a first motor 9, a movable shaft 11, a second fixed block 15, a trigger switch 16, a guide plate 14, a second motor 12, a screw rod 13, and a third fixed block 17. The first fixed block 7 is fixed to the top of the transportation mechanism 1. The worm gear 8 is movably embedded on one side of the first fixed block 7. The first motor 9 is fixed to one side of the first fixed block 7 through a mounting bracket. The worm 10 is fixed to the output end of the first motor 9 through a coupling. The worm 10 meshes with the worm gear 8. The movable shaft 11 is movably embedded inside the first fixed block 7. One side of the movable shaft 11 is fixed to the center of the worm gear 8 through a bolt. The third fixed block 17 is welded and fixed to the outside of the movable shaft 11. There are two third fixed blocks 17, symmetrically fixed on both sides of the movable shaft 11. The second fixed block 15 is welded and fixed to the center of the movable shaft 11. The trigger switch 16 is embedded and fixed on the second fixed block 15. The second motor 12 is fixed to one side of the third fixed block 17 through a bolt. The screw rod 13 is fixed to the output end of the second motor 12 through a coupling. The screw rod 13 movably passes through the second fixed block 15. The screw rod 13 is a left - right hand screw. The guide plate 14 is threadedly sleeved on the outside of the screw rod 13. The trigger switch 16 is electrically connected to the second motor 12. When in use, the transportation mechanism 1 transports the parts after being inspected by the vision inspection machine to the position between the guide plates 14. Through the guidance of the guide plates 14, until it contacts the trigger switch 16. At this time, the second motor 12 starts, drives the screw rod 13 to move, drives the guide plate 14 to move, until the parts are clamped and fixed. Then the first motor 9 is started. The first motor 9 drives the movable shaft 11 to rotate, so that the guide plate 14 drives the parts to flip. Then it is transported by the transportation mechanism 1 into the vision inspection machine and is detected again, detecting the dead - angle surface of the parts, thus ensuring the comprehensiveness of the detection.

[0021] The transportation mechanism 1 includes a horizontal conveyor belt 3 and a U - shaped conveyor belt 2. There are two horizontal conveyor belts 3. The U - shaped conveyor belt 2 is on one side of the horizontal conveyor belt 3. The parts are placed on the horizontal conveyor belt 3. The parts move into the vision inspection machine. After being detected, they are flipped by the U - shaped conveyor belt 2, and then transported to the adjacent horizontal conveyor belt 3, and then transported by the horizontal conveyor belt 3 into the vision inspection machine for re - detection.

[0022] The vision inspection machine includes a vision inspection camera 6, a box body 4, and a fill light 5. The box body 4 is fixed to the top of the horizontal conveyor belt 3 through bolts. The vision inspection camera 6 is installed at the top inside the box body 4. There are two vision inspection cameras 6, respectively located above the two horizontal conveyor belts 3. The fill light 5 is fixed to the inner side wall of the box body 4 through bolts, facilitating the fill - light work.

[0023] Working principle: During use, the transportation mechanism 1 transports the parts after being detected by the vision inspection machine to the position between the guiding plates 14. Guided by the guiding plates 14 until the trigger switch 16 is touched. At this time, the second motor 12 starts, drives the screw rod 13 to move, drives the guiding plates 14 to move until the parts are clamped and fixed. Then the first motor 9 is started. The first motor 9 drives the movable shaft 11 to rotate, causing the guiding plates 14 to drive the parts to flip. Then, they are transported by the transportation mechanism 1 into the vision inspection machine and detected again to detect the dead-angle surfaces of the parts, thus ensuring the comprehensiveness of the detection.

[0024] It should be noted that the vision inspection technology is an existing technology, so it will not be described in detail. And in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated visual inspection machine for the appearance defects of automobile parts, comprising a transportation mechanism (1), a visual inspection machine and a flipping mechanism, characterized in that: The visual inspection machine is installed on the top of the transportation mechanism (1). The flipping mechanism is arranged on the transportation mechanism (1). The flipping mechanism includes a first fixing block (7), a worm gear (8), a worm (10), a first motor (9), a movable shaft (11), a second fixing block (15), a trigger switch (16), a guiding plate (14), a second motor (12), a screw rod (13) and a third fixing block (17). The first fixing block (7) is fixed on the top of the transportation mechanism (1). The worm gear (8) is movably embedded on one side of the first fixing block (7). The first motor (9) is fixed on one side of the first fixing block (7). The worm (10) is fixed at the output end of the first motor (9). The worm (10) meshes with the worm gear (8). The movable shaft (11) is movably embedded inside the first fixing block (7). One side of the movable shaft (11) is fixed at the center position of the worm gear (8). The third fixing block (17) is fixed on the outside of the movable shaft (11). The second fixing block (15) is fixed at the center position of the movable shaft (11). The trigger switch (16) is embedded and fixed on the second fixing block (15). The second motor (12) is fixed on one side of the third fixing block (17). The screw rod (13) is fixed at the output end of the second motor (12). The screw rod (13) movably passes through the second fixing block (15). The guiding plate (14) is threadedly sleeved on the outside of the screw rod (13). The trigger switch (16) is electrically connected to the second motor (12).

2. An automated visual inspection machine for the appearance defects of automotive parts according to claim 1, characterized in that: The transportation mechanism (1) includes a horizontal conveyor belt (3) and a U-shaped conveyor belt (2). There are two horizontal conveyor belts (3). The U-shaped conveyor belt (2) is arranged on one side of the horizontal conveyor belt (3).

3. The automated vision inspection machine for appearance defects of automotive parts according to claim 2, characterized in that: The visual inspection machine includes a visual inspection camera (6), a box body (4) and a supplementary light (5). The box body (4) is fixed on the top of the horizontal conveyor belt (3). The visual inspection camera (6) is installed at the top inside the box body (4). The supplementary light (5) is fixed on the inner side wall of the box body (4).

4. An automated visual inspection machine for the appearance defects of automotive parts according to claim 3, characterized in that: There are two third fixing blocks (17), symmetrically fixed on both sides of the movable shaft (11).

5. The automated vision inspection machine for appearance defects of automotive parts according to claim 4, characterized in that: The screw rod (13) is a positive and negative screw rod.

6. The automated visual inspection machine for appearance defects of automotive parts according to claim 5, characterized in that: There are two visual inspection cameras (6), respectively located at the upper ends of the two horizontal conveyor belts (3).

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