Visual inspection device and method for finished products of carrier tapes for packaged electronic components

Abstract

This invention discloses a finished product visual inspection device and method for carrier tapes of packaged electronic components, relating to the field of optical testing equipment technology. It includes a testing device body on which optical testing instruments are mounted; a mounting frame is mounted below the testing device body via a shock absorber; a bogie is rotatably mounted at the bottom of the mounting frame, and a caster wheel is mounted at the bottom of the bogie; a horizontal plate is slidably arranged inside the mounting frame; a brake lever is fixedly mounted at the bottom of the horizontal plate; a top plate is provided on the side of the shock absorber; and an outer frame is provided below the testing device body. This finished product visual inspection device and method for carrier tapes of packaged electronic components achieves flexible movement and shock absorption through the inclusion of shock absorbers, brake levers, and a top plate. During inspection, it simultaneously implements functions such as compression braking, anti-steering limit, and shock absorber locking, ensuring the stability and accuracy of optical testing and improving the efficiency of the finished product visual inspection device.

Description

Technical Field

[0001] This invention relates to the field of optical testing equipment technology, and in particular to a visual inspection device and method for finished products of carrier tapes for packaged electronic components. Background Technology

[0002] Visual inspection is the use of machines to replace human eyes for measurement and judgment. Visual inspection involves using machine vision products to convert the captured target into image signals, which are then transmitted to a dedicated image processing system. Based on pixel distribution and information such as brightness and color, these signals are converted into digital signals. The image system performs various calculations on these signals to extract the target's features, and then controls the on-site equipment based on the judgment results.

[0003] For example, a patent entitled "A Semiconductor Component Carrier In-Pocket Visual Inspection Device" (patent application number: CN202123434298.1) discloses a semiconductor component carrier in-pocket visual inspection device. The device uses a drive mechanism to drive a first lead screw to rotate, which in turn drives a first lifting plate to descend. The first lifting plate simultaneously drives multiple casters to descend, so that the lowest point of the casters is below the lowest point of the frame. By pushing the frame, the operator can move the casters on the ground, which increases the convenience of the operator in carrying the inspection device. However, in actual use, the device is difficult to achieve shock absorption and lacks protection for the inspection mechanism, affecting the stability of optical testing.

[0004] Therefore, it is necessary to propose a finished product visual inspection device and method for carrier tapes of packaged electronic components to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a finished product visual inspection device and method for carrier tapes of packaged electronic components, so as to solve the problems that in actual use, the device is difficult to achieve shock absorption effect, lacks protection for the inspection mechanism, and affects the stability of optical testing.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a finished product visual inspection device for carrier tapes of packaged electronic components, comprising an inspection device body, wherein an optical testing instrument is mounted on the inspection device body;

[0007] A mounting frame is installed below the main body of the detection device via a shock absorber. A bogie is rotatably mounted at the bottom of the mounting frame, and a moving wheel is installed at the bottom of the bogie.

[0008] A horizontal plate is slidably arranged inside the mounting frame, a brake lever is fixedly installed at the bottom of the horizontal plate, a top plate is provided on the side of the shock absorber, and an outer frame is provided below the main body of the detection device.

[0009] When moving, shock absorbers are used to protect the optical testing instruments; when fixed, the outer frame touches the ground, and the brake lever moves downward through the cross plate to squeeze and brake the moving wheels. The bogie is also anti-steering limited by the limit component. At the same time, the top plate moves upward through the transmission component to touch the bottom of the testing device body, locking the shock absorber and stabilizing the optical testing instruments.

[0010] Preferably, the shock absorber includes a damping element and a spring.

[0011] Preferably, a brake plate is fixedly connected to the bottom end of the brake lever.

[0012] Preferably, the transmission assembly includes a first toothed plate, a round rod, a gear, and a second toothed plate. The first toothed plate and the second toothed plate are slidably disposed within the mounting frame, and the first toothed plate is fixedly connected to the horizontal plate. The top plate is fixedly connected to the top of the second toothed plate. The round rod is fixedly connected to the mounting frame, and the gear is rotatably connected to the round rod. The first toothed plate and the second toothed plate are respectively distributed on both sides of the gear, and both the first toothed plate and the second toothed plate are meshed with the gear.

[0013] Preferably, the upper half of the bogie has a through groove for the brake lever to pass through. The through groove includes a first groove segment and a second groove segment. The first groove segment is located above the second groove segment. The brake lever is slidably disposed inside the first groove segment. The inner diameter of the first groove segment is smaller than the inner diameter of the second groove segment.

[0014] Preferably, four mounting frames are provided, and the four mounting frames are respectively distributed at the four corners of the bottom of the detection device body.

[0015] Preferably, elastic plates are provided on both sides inside the bogie, the two elastic plates are distributed in a V-shape, and the elastic plates are arc-shaped.

[0016] Preferably, the limiting component includes a limiting groove and a limiting block. Multiple limiting grooves are provided, and the limiting grooves are opened at the top of the bogie. The multiple limiting grooves are distributed in a circumferential array. The limiting block is fixedly connected to the bottom of the cross plate, and the limiting block is inserted into the limiting groove.

[0017] Preferably, the outer side of the detection device body is provided with an adjustment component for adjusting the position of the outer frame, the adjustment component including a support plate, a fixing plate and a screw.

[0018] The present invention also discloses a method for visual inspection of finished products of carrier tapes for packaged electronic components. The finished product visual inspection device for carrier tapes for packaged electronic components described above further includes the following operation steps:

[0019] S1. Move the instrument and use shock absorbers to reduce vibration and protect the optical testing instruments.

[0020] S2. Positioning: The outer frame touches the ground, squeezing and braking the moving wheels, and anti-steering limiting the bogie. At the same time, the shock absorber is locked to stabilize the optical testing instrument.

[0021] S3. Locking: Perform finished product visual inspection on the carrier tape of packaged electronic components.

[0022] The technical effects and advantages of this invention are as follows:

[0023] 1. This invention achieves flexible movement and shock absorption by setting up structures such as shock absorbers, brake levers and top plates. During the inspection, it simultaneously realizes the functions of squeezing brake, anti-steering limit and shock absorber locking, ensuring the stability and accuracy of optical testing and improving the efficiency of finished product visual inspection device.

[0024] 2. By setting up an outer frame and adjusting components, multiple moving wheels are synchronously braked and controlled, making operation convenient. The outer frame is in contact with the ground, expanding the support area and providing a secondary braking effect, ensuring the stability of the detection device and facilitating optical testing.

[0025] 3. By setting up limiting components and other structures, when the horizontal plate drives the brake lever and brake plate to move downward and squeeze the moving wheel, the limiting block inserts into the corresponding limiting groove. At this time, the bogie and moving wheel cannot turn, making the detection device less prone to shaking.

[0026] 4. By setting up structures such as bogies, moving wheels, and shock absorbers, the inspection device can move flexibly and absorb shock, ensuring the efficiency and accuracy of visual inspection of finished products;

[0027] 5. By utilizing the movement of the outer frame, the functions of compression braking, anti-steering limit, and shock absorber locking can be realized simultaneously, making operation convenient;

[0028] 6. By setting up structures such as elastic plates, the downward movement of the brake plate is used as power to scrape off mud and other impurities on the moving wheels, preventing slippage. It can also close the bottom of the channel, reducing the amount of dust carried up by the moving wheels during rolling and ensuring the stability of subsequent braking operations. Attached Figure Description

[0029] Figure 1 This is a first-view structural schematic diagram of the finished product visual inspection device for the carrier tape of packaged electronic components according to the present invention.

[0030] Figure 2 This is a schematic diagram of the second-view structure of the finished product visual inspection device for the carrier tape of packaged electronic components according to the present invention.

[0031] Figure 3 For the present invention Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0032] Figure 4 This is a third-view structural diagram of the finished product visual inspection device for the carrier tape of packaged electronic components according to the present invention.

[0033] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of the structure at point B.

[0034] Figure 6 For the present invention Figure 5 Enlarged schematic diagram of the structure at point C.

[0035] Figure 7 This is a schematic diagram of the elastic sheet of the present invention in the open state.

[0036] Figure 8 This is a schematic diagram of the mounting frame and bogie structure of the present invention.

[0037] Figure 9 This is a schematic diagram of the bogie and limiting groove structure of the present invention.

[0038] Figure 10 This is a schematic diagram of the bogie and moving wheel structure of the present invention.

[0039] In the diagram: 1. Detection device body; 2. Optical testing instrument; 3. Shock absorber; 301. Damping component; 302. Spring; 4. Mounting frame; 5. Mounting slot; 6. Bogie; 7. Moving wheel; 8. Through slot; 801. First slot section; 802. Second slot section; 9. Brake lever; 10. Brake plate; 11. Horizontal plate; 12. Limiting slot; 13. Limiting block; 14. Limiting ring; 15. Elastic sheet; 16. First toothed plate; 17. Round rod; 18. Gear; 19. Second toothed plate; 20. Top plate; 21. Outer frame; 22. Vertical plate; 23. Support plate; 24. Fixing plate; 25. Screw. Detailed Implementation

[0040] This invention provides, for example Figures 1-10 The visual inspection device for the finished product of the carrier tape of the packaged electronic component shown includes an inspection device body 1, on which an optical testing instrument 2, a positioning mechanism and a conveying mechanism are installed. The positioning mechanism includes a positioning clamp and other structures, and the conveying mechanism includes a guide rail and other structures. The device performs finished product visual inspection on the carrier tape of the packaged electronic component to determine whether there is any damage.

[0041] The optical testing instrument 2 includes:

[0042] Optical lenses, typically composed of multiple lenses, can clearly image the tiny features of the carrier tape of packaged electronic components;

[0043] Light source systems, such as ring light sources, uniformly illuminate the surface of the carrier tape, reducing the generation of shadows;

[0044] Image sensors convert optical images into electrical signals. For example, CCD (charge-coupled device) sensors have high resolution and good low-light performance, and can capture minute defects on the carrier tape.

[0045] Image processing systems, optical testing instruments, and visual inspection of finished products using optical means are all common existing technologies, and will not be elaborated here.

[0046] Considering that in electronic component manufacturing plants, multiple production lines typically produce packaged electronic component carrier tapes simultaneously, requiring mobile inspection devices for finished product visual inspection or maintenance operations after relocation, in order to facilitate the convenient movement of the inspection device and protect optical testing instruments 2, and to facilitate optical testing, refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a mounting frame 4 is installed below the main body 1 of the detection device via a shock absorber 3. There are four mounting frames 4, which are distributed at the four corners of the bottom of the main body 1 of the detection device. The bottom end of the mounting frame 4 is provided with a mounting groove 5. A bogie 6 is rotatably mounted inside the mounting groove 5. The bottom end of the bogie 6 is rotatably connected to a moving wheel 7. The moving wheel 7 can roll on the ground, while the bogie 6 can rotate on the mounting frame 4, so that the moving wheel 7 can turn, thereby realizing the flexible movement of the detection device and facilitating the visual inspection of finished products.

[0047] Reference Figure 5 As shown, the shock absorber 3 includes a damping element 301 and a spring 302. The top end of the damping element 301 is fixedly connected to the bottom of the detection device body 1, and the bottom end of the damping element 301 is fixedly connected to the mounting frame 4. The spring 302 is fitted outside the damping element 301, and the top end of the spring 302 is fixedly connected to the bottom of the detection device body 1, while the bottom end of the spring 302 is fixedly connected to the mounting frame 4.

[0048] When the mobile testing device is in motion, if there are cables, speed bumps, or other obstacles on the ground, the damping component 301 and the spring 302 work together to achieve shock absorption and protect the optical testing instrument 2.

[0049] Reference Figure 6 As shown, a limit ring 14 is provided below the mounting frame 4. The limit ring 14 is fixedly connected to the bogie 6 to ensure the stability of the bogie 6 during use. In actual use, ball bearings are provided between the limit ring 14 and the bottom of the mounting frame 4, and between the bogie 6 and the inner wall of the mounting groove 5 to ensure the smooth rotation of the bogie 6. These can be adjusted according to the specific usage.

[0050] By setting up structures such as bogie 6, moving wheels 7, and shock absorbers 3, the inspection device can move flexibly and absorb shock, ensuring the efficiency and accuracy of visual inspection of finished products.

[0051] Considering that the visual inspection device needs to be positioned after movement, if common omnidirectional wheels with braking mechanisms are used, the braking mechanisms on each omnidirectional wheel need to be locked one by one, which is cumbersome and the stability is generally poor, with the possibility of wobbling still present. (Refer to...) Figure 5 , Figure 6 , Figure 8 As shown, a horizontal plate 11 is slidably arranged inside the mounting frame 4. The two sides of the horizontal plate 11 are respectively attached to the inner walls of the two sides of the mounting frame 4. Ball bearings or the like can be set on the horizontal plate 11 to increase the smoothness of sliding. A brake lever 9 is fixedly installed at the bottom of the horizontal plate 11.

[0052] The upper half of the bogie 6 is provided with a through groove 8 for the brake lever 9 to pass through. The through groove 8 includes a first groove section 801 and a second groove section 802. The first groove section 801 is located above the second groove section 802. The inner diameter of the first groove section 801 is smaller than the inner diameter of the second groove section 802. The brake lever 9 can slide or rotate inside the first groove section 801.

[0053] A brake plate 10 is fixedly connected to the bottom end of the brake lever 9. The brake plate 10 can increase the contact area with the moving wheel 7. The brake plate 10 can be retracted into the interior of the second groove section 802. The brake plate 10 can be made of, but is not limited to, hard rubber material, and the lower surface is provided with anti-slip texture to increase friction.

[0054] Since the brake lever 9 can slide or rotate inside the first groove section 801, the up-and-down movement of the brake lever 9 does not interfere with the rotation of the bogie 6, and a rubber ring can be installed on the inner wall of the first groove section 801 to reduce wear.

[0055] When the horizontal plate 11 moves the brake lever 9 and brake plate 10 downward to squeeze the moving wheel 7, it can achieve the braking function; when the horizontal plate 11 moves the brake lever 9 and brake plate 10 upward, it releases the squeezing of the moving wheel 7, and the moving wheel 7 can roll.

[0056] Reference Figure 5 , Figure 6 , Figure 9 As shown, a limiting component is provided at the bottom end of the horizontal plate 11 and the top end of the bogie 6. The limiting component includes a limiting groove 12 and a limiting block 13. Multiple limiting grooves 12 are provided. The limiting grooves 12 are opened at the top end of the bogie 6. The multiple limiting grooves 12 are evenly distributed around the through groove 8. The limiting block 13 is fixedly connected to the bottom of the horizontal plate 11. The limiting block 13 is inserted into the limiting groove 12.

[0057] In actual use, when the cross plate 11 moves the brake lever 9 and brake plate 10 downward to squeeze the moving wheel 7, it will cause the limit block 13 to move downward synchronously. The limit block 13 inserts into the corresponding limit groove 12. At this time, the bogie 6 and the moving wheel 7 cannot turn.

[0058] By setting up structures such as limit components, when the horizontal plate 11 drives the brake lever 9 and brake plate 10 to move downward and squeeze the moving wheel 7, the limit block 13 inserts into the corresponding limit groove 12. At this time, the bogie 6 and the moving wheel 7 cannot turn, making the detection device less prone to shaking.

[0059] Reference Figure 1 , Figure 2 , Figure 5 As shown, an outer frame 21 is provided below the main body 1 of the detection device. The outer frame 21 is U-shaped. A vertical plate 22 is fixedly connected to one end of the horizontal plate 11 located outside the mounting frame 4. The bottom end of the vertical plate 22 is fixedly connected to the outer frame 21. When the outer frame 21 moves downward, the horizontal plate 11 is driven to move downward through the vertical plate 22. Multiple horizontal plates 11 can be driven to move downward synchronously to achieve efficient control.

[0060] Reference Figure 2 As shown, the outer side of the detection device body 1 is equipped with an adjustment assembly for adjusting the position of the outer frame 21. The adjustment assembly includes a support plate 23, a fixing plate 24, and a screw 25. The support plate 23 is fixedly connected to the bottom end of the side wall of the detection device body 1. The support plate 23 has a threaded hole, and the screw 25 is threaded into the threaded hole. The fixing plate 24 is fixedly connected to the outer frame 21, and the bottom end of the screw 25 is rotatably connected to the fixing plate 24. The threaded hole has an internal thread, and the screw 25 has an external thread. The internal thread and the external thread mate (not shown in the figure). The friction coefficient between the internal thread and the external thread is suitable, so the screw 25 will not rotate arbitrarily. Furthermore, the support plate 23 can be equipped with a limiting pin or other structure to limit and fix the screw 25, ensuring the stability of the screw 25 during use.

[0061] Since the outer frame 21 is limited by the horizontal plate 11, the mounting frame 4, etc., it will not rotate. When the screw 25 is rotated, the outer frame 21 can be moved up and down.

[0062] In actual use, rotating the screw 25 causes the outer frame 21 to move downward, which in turn causes multiple horizontal plates 11 to move downward synchronously, thus achieving synchronous compression and braking of multiple moving wheels 7. At the same time, the outer frame 21 abuts against the ground, expanding the support area and also having a secondary braking effect, ensuring the stability of the detection device body 1. When the screw 25 is rotated in the opposite direction, it causes the outer frame 21 to move upward and lift off the ground, simultaneously releasing the compression of multiple moving wheels 7, making operation convenient.

[0063] By setting up an outer frame 21 and adjusting components, multiple moving wheels 7 are synchronously braked and controlled, making operation convenient. The outer frame 21 abuts the ground, expanding the support area and providing a secondary braking effect, ensuring the stability of the detection device and facilitating optical testing.

[0064] Furthermore, the adjustment components can also be replaced with electrically controlled components, such as electric actuators, etc., without limitation.

[0065] Considering that during finished product visual inspection, if the operator accidentally presses the device, the shock absorber 3 may contract, causing the inspection device body 1 to shake. To achieve locking of the shock absorber 3, refer to... Figure 5 As shown, a top plate 20 is provided on the side of the shock absorber 3, and a transmission assembly is provided between the outer frame 21 and the top plate 20. The transmission assembly includes a first toothed plate 16, a round rod 17, a gear 18, and a second toothed plate 19. The first toothed plate 16 and the second toothed plate 19 are slidably disposed in the mounting frame 4. T-slots and T-blocks are provided between the first toothed plate 16 and the second toothed plate 19 and the inner wall of the mounting frame 4 for engagement (see reference). Figure 9 This ensures the stability of the sliding of the first toothed plate 16 and the second toothed plate 19, and ball bearings can be set between the T-groove and the T-block to improve the smoothness of the sliding.

[0066] The first toothed plate 16 is fixedly connected to the cross plate 11, the top plate 20 is fixedly connected to the top of the second toothed plate 19, the round rod 17 is fixedly connected to the mounting frame 4, and the gear 18 is rotatably connected to the round rod 17. The first toothed plate 16 and the second toothed plate 19 are respectively distributed on both sides of the gear 18. The first toothed plate 16 and the second toothed plate 19 are both meshed with the gear 18. When the first toothed plate 16 and the second toothed plate 19 extend downwards, they do not affect the rotation of the bogie 6.

[0067] Specifically, refer to Figure 5 When the horizontal plate 11 moves downward, it drives the first toothed plate 16 to move downward, and the gear 18 rotates counterclockwise, causing the second toothed plate 19 to drive the top plate 20 to move upward. The top plate 20 presses against the bottom of the detection device body 1. At this time, the shock absorber 3 cannot extend or retract, achieving a locking effect. Even if the operator accidentally presses it, the detection device body 1 will not shake, making the optical testing instrument 2 stable.

[0068] Before moving, the control plate 11 moves upward to reset, which drives the first toothed plate 16 to move upward. The gear 18 rotates clockwise, causing the second toothed plate 19 to drive the top plate 20 to move downward. The top plate 20 disengages from the bottom of the detection device body 1, and the shock absorber 3 can perform shock absorption.

[0069] By utilizing the movement of the outer frame 21, the functions of squeezing brake, anti-steering limit, and shock absorber 3 locking can be achieved simultaneously, making operation convenient.

[0070] This invention achieves flexible movement and shock absorption by setting up structures such as shock absorber 3, brake lever 9 and top plate 20. During the inspection, it simultaneously realizes the functions of squeezing brake, anti-steering limit and shock absorber 3 locking, ensuring the stability and accuracy of optical testing and improving the efficiency of finished product visual inspection device.

[0071] Reference Figure 5 , Figure 6 , Figure 10 As shown, considering that mud and other impurities may appear on the moving wheel 7, if the mud corresponds to the position of the brake plate 10, brake slippage may easily occur. To ensure brake stability, elastic plates 15 are provided on both sides inside the bogie 6. The top of the elastic plate 15 is fixedly connected to the top of the inner wall of the bogie 6 (see reference). Figure 6 The brake plate 10 can enter between the two elastic plates 15 and squeeze the elastic plates 15 to open them. The two sides of the elastic plates 15 slide and adhere to the inner walls of the two sides of the bogie 6 respectively (see reference). Figure 10 Furthermore, the elastic sheet 15 is arc-shaped, and the side of the two elastic sheets 15 that are close to each other is the concave side.

[0072] When not compressed by the brake plate 10, the two elastic plates 15 are arranged in a V-shape (see reference). Figure 6 Furthermore, the bottom end of the elastic sheet 15 does not contact the moving wheel 7, thus avoiding continuous contact that would accelerate the wear of the moving wheel 7 and the elastic sheet 15 and extend their service life.

[0073] When braking, the brake plate 10 moves downward, which squeezes the bottom ends of the two elastic plates 15 and opens them outward (see reference). Figure 7 The brake pad 10 then adheres to the moving wheel 7, scraping away mud and other impurities at the brake position. The brake pad 10 then contacts the moving wheel 7, preventing slippage. When the brake pad 10 retracts upwards, its own elasticity causes the two elastic plates 15 to return to a V-shaped distribution, closing the bottom of the through groove 8. This reduces the amount of dust carried by the moving wheel 7 during its rolling motion from entering the through groove 8, thus reducing dust accumulation on the bottom of the brake pad 10 and minimizing its impact on subsequent braking operations.

[0074] By setting up structures such as the elastic plate 15, the downward movement of the brake plate 10 is used as power to scrape away mud and other impurities on the moving wheel 7, avoiding slippage. It can also close the bottom of the through groove 8, reducing the amount of dust carried up by the moving wheel 7 during its rolling process from entering the interior of the through groove 8, thus ensuring the stability of subsequent braking operations.

[0075] The present invention also discloses a method for visual inspection of finished products of carrier tapes for packaged electronic components. The finished product visual inspection device for carrier tapes for packaged electronic components described above further includes the following operation steps:

[0076] S1. Move the instrument and use the shock absorber 3 to reduce vibration and protect the optical testing instrument 2.

[0077] S2, Positioning: The outer frame 21 touches the ground, squeezing and braking the moving wheel 7, and anti-steering limiting the bogie 6. At the same time, the shock absorber 3 is locked to stabilize the optical testing instrument 2.

[0078] S3. Testing: Visual inspection of the carrier tape of packaged electronic components.

Claims

1. A visual inspection device for finished products of carrier tapes for packaged electronic components, comprising an inspection device body (1), characterized in that: An optical testing instrument (2) is installed on the main body (1) of the detection device; The detection device body (1) is mounted with a mounting frame (4) below it via a shock absorber (3). A bogie (6) is rotatably mounted on the bottom of the mounting frame (4), and a moving wheel (7) is mounted on the bottom of the bogie (6). A horizontal plate (11) is slidably arranged inside the mounting frame (4), a brake rod (9) is fixedly installed at the bottom of the horizontal plate (11), a top plate (20) is provided on the side of the shock absorber (3), and an outer frame (21) is provided below the detection device body (1). When moving, the shock absorber (3) is used to protect the optical testing instrument (2); when fixed, the outer frame (21) touches the ground, and the brake lever (9) is driven to move downward through the horizontal plate (11) to squeeze the moving wheel (7) to brake, and the bogie (6) is anti-steering limited by the limiting component, while the top plate (20) is driven to move upward through the transmission component to touch the bottom of the detection device body (1), locking the shock absorber (3) and stabilizing the optical testing instrument (2); The detection device body (1) is provided with an adjustment component for adjusting the position of the outer frame (21). The adjustment component includes a support plate (23), a fixing plate (24), and a screw (25).

2. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: The shock absorber (3) includes a damping element (301) and a spring (302).

3. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: The brake lever (9) is fixedly connected to a brake plate (10) at its bottom end.

4. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: The transmission assembly includes a first toothed plate (16), a round rod (17), a gear (18), and a second toothed plate (19). The first toothed plate (16) and the second toothed plate (19) are slidably disposed in the mounting frame (4), and the first toothed plate (16) is fixedly connected to the horizontal plate (11). The top plate (20) is fixedly connected to the top of the second toothed plate (19). The round rod (17) is fixedly connected to the mounting frame (4). The gear (18) is rotatably connected to the round rod (17). The first toothed plate (16) and the second toothed plate (19) are respectively distributed on both sides of the gear (18). The first toothed plate (16) and the second toothed plate (19) are meshed with the gear (18).

5. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: The upper half of the bogie (6) is provided with a through groove (8) for the brake lever (9) to pass through. The through groove (8) includes a first groove section (801) and a second groove section (802). The first groove section (801) is located above the second groove section (802). The brake lever (9) is slidably disposed inside the first groove section (801). The inner diameter of the first groove section (801) is smaller than the inner diameter of the second groove section (802).

6. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: There are four mounting frames (4), which are respectively distributed at the four corners of the bottom of the detection device body (1).

7. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: Both sides of the bogie (6) are provided with elastic plates (15), the two elastic plates (15) are distributed in a V shape, and the elastic plates (15) are arc-shaped.

8. The finished product visual inspection device for carrier tapes of packaged electronic components according to claim 1, characterized in that: The limiting component includes a limiting groove (12) and a limiting block (13). There are multiple limiting grooves (12), which are located at the top of the bogie (6). The multiple limiting grooves (12) are arranged in a circular array. The limiting block (13) is fixedly connected to the bottom of the cross plate (11), and the limiting block (13) is inserted into the limiting groove (12).

9. A method for visual inspection of finished products using carrier tapes for packaged electronic components, characterized in that: The finished product visual inspection device using the carrier tape of packaged electronic components as described in any one of claims 1 to 8 further includes the following operation steps: S1. Move and use the shock absorber (3) to reduce shock and protect the optical testing instrument (2). S2, Positioning, the outer frame (21) touches the ground, squeezing the moving wheel (7) and limiting the steering of the bogie (6), while locking the shock absorber (3) and stabilizing the optical testing instrument (2). S3. Testing: Visual inspection of the carrier tape of packaged electronic components.

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