Positioning structure of automatic optical detection equipment
By using a cylinder-driven sliding plate and pulley structure, combined with a motor-driven rotating shaft and limiting plate, stable positioning and comprehensive detection of the object to be inspected in the automatic optical inspection equipment are achieved. This solves the problems of object damage and missed detection in the existing technology, and improves the accuracy and efficiency of the inspection.
Patent Information
- Application Number
- CN202422892014.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing automated optical inspection equipment is prone to causing external damage to the object during positioning, which affects the inspection results.
The device employs a cylinder-driven slide plate and pulley structure, combined with a motor-driven rotating shaft and limiting plate. The movement and positioning of the pulleys and detection head ensure the stability of the object during the detection process, and the flipping mechanism ensures that all surfaces can be fully detected.
It effectively avoids the movement or vibration of objects during the detection process, ensuring the accuracy and consistency of the detection results, reducing the risk of external damage, and avoiding the problem of missed detection caused by blind spots in the detection.
Smart Images

Figure CN223637363U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical detection field especially relates to a positioning structure of automatic optical detection equipment. BACKGROUND
[0002] The positioning structure of automatic optical detection equipment is a high-precision mechanical system that ensures the object to be detected always remains in the best position during the detection process through precise mechanical design and advanced control algorithm. The main role of the positioning structure is to improve the accuracy and efficiency of detection. By precisely controlling the position and posture of the object, it can ensure that the optical system can capture clear and stable images, thereby improving the accuracy and reliability of defect detection.
[0003] The positioning structure of automatic optical detection equipment precisely limits the position of the object to be detected, such as a PCB board, to ensure high precision and efficiency during the detection process. This positioning method usually involves special clamps or fixing devices that can firmly fix the PCB board to prevent movement or vibration during the detection process, thereby ensuring the accuracy of the detection results.
[0004] In the prior art, the positioning structure of some automatic optical detection equipment positions by moving the position of the object to be detected, which causes external damage to the object to be detected during the movement, thereby damaging the surface of the object and affecting the detection effect. Therefore, a positioning structure of automatic optical detection equipment is proposed to solve the above problems. SUMMARY
[0005] To make up for the above shortcomings, the utility model provides a positioning structure of automatic optical detection equipment, aiming to improve the problem that some automatic optical detection equipment in the prior art causes external damage to the object during positioning of the object to be detected, affecting the detection effect.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A positioning structure of automatic optical detection equipment, comprising a base, the top of the base is fixedly connected with an installation assembly for positioning structure, the inner wall of the installation assembly is fixedly connected with a sliding groove frame, the inner wall of the sliding groove frame is installed with a cylinder one, the inner wall of the sliding groove frame is slidingly connected with a sliding groove plate, the driving end of the cylinder one is fixedly connected outside the sliding groove plate, the inner wall of the sliding groove frame away from the cylinder one is installed with a cylinder two, the inner wall of the sliding groove plate is provided with a sliding channel, the inner wall of the sliding channel is slidingly connected with a moving plate, the driving end of the cylinder two is fixedly connected outside the moving plate, the inner wall of the sliding groove plate is slidingly connected with a pulley.
[0008] Further description of the above technical scheme:
[0009] The mounting assembly comprises a support frame, and the top of the sliding groove frame is fixedly connected to the inner wall of the support frame.
[0010] As a further description of the above technical solution:
[0011] The outer part of the pulley is slidingly connected to the inner wall of the moving plate, and the bottom of the pulley is provided with a detection head.
[0012] As a further description of the above technical solution:
[0013] The inner part of the sliding groove frame is provided with a channel, and one end of the moving plate is slidingly connected to the inner wall of the channel.
[0014] As a further description of the above technical solution:
[0015] The outer part of the base is provided with a motor, and the top of the base is provided with two conveyer belts.
[0016] As a further description of the above technical solution:
[0017] The driving end of the motor is fixedly connected with a rotating shaft, and the outer part of the rotating shaft is rotatably connected to the inner part of the base.
[0018] As a further description of the above technical solution:
[0019] The outer part of the rotating shaft is fixedly connected with four rotating plates, and the outer part of each of the four rotating plates is fixedly connected with a limiting plate.
[0020] As a further description of the above technical solution:
[0021] The inner wall of each of the four limiting plates is fixedly connected with a plurality of springs, the inner wall of each of the four limiting plates is slidingly connected with an elastic plate, and the other end of each of the plurality of springs is fixedly connected to the outer part of the elastic plate.
[0022] The utility model has the advantages of the following beneficial effects:
[0023] 1、The position of the pulley at the intersection of the moving plate and the sliding groove plate is limited, the position of the pulley is changed to drive the position of the detection head at the bottom to change, the detection head is moved to position detection, the movement or vibration of the object to be detected in the detection process is avoided, and the accuracy and consistency of the detection result are ensured.
[0024] 2. In this invention, the rotation of the rotating shaft drives multiple rotating plates to rotate. Simultaneously, the conveyor belts on both sides operate, flipping the object to be inspected that is precisely positioned between the elastic plate and one of the rotating plates. This ensures that all surfaces of the object can be comprehensively and meticulously detected, effectively avoiding missed detections due to blind spots. Attached Figure Description
[0025] Figure 1 A perspective view of the positioning structure of an automatic optical inspection device proposed in this utility model;
[0026] Figure 2 This is a schematic diagram of the positioning component of the positioning structure of an automatic optical inspection device proposed in this utility model;
[0027] Figure 3 This is a schematic diagram of the flipping component of the positioning structure of an automatic optical inspection device proposed in this utility model;
[0028] Figure 4 This is a schematic diagram of the top of the base of the positioning structure of an automatic optical inspection device proposed in this utility model.
[0029] Legend:
[0030] 1. Base; 2. Support frame; 3. Slide rail frame; 4. Cylinder 1; 5. Slide rail plate; 6. Cylinder 2; 7. Moving plate; 8. Pulley; 9. Slide rail; 10. Detection head; 11. Conveyor belt; 12. Motor; 13. Rotating shaft; 14. Rotating plate; 15. Limiting plate; 16. Elastic plate; 17. Spring. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Reference Figures 1 to 2The utility model provides an embodiment: a positioning structure of automatic optical detection equipment, the top fixedly connected with installation positioning structure's installation component has to base station 1, base station 1 has the support and fixed position effect to installation component. The inner wall fixedly connected with the slide groove frame 3 of installation component, installation component has the support and fixed position effect to slide groove frame 3. Installation component includes support frame 2, the top fixedly connected in the inner wall of support frame 2 of slide groove frame 3, and support frame 2 has the support and fixed position effect to slide groove frame 3. The inner wall of slide groove frame 3 is installed with cylinder one 4, and slide groove frame 3 has the fixed position effect to cylinder one 4. The inner wall slidingly connected with the slide groove plate 5 of slide groove frame 3, and slide groove frame 3 has the fixed sliding position effect to slide groove plate 5.
[0033] The driving end of cylinder one 4 is fixedly connected at the outside of slide groove plate 5, starts cylinder one 4, and the position variation of the driving end of cylinder one 4 drives slide groove plate 5 to carry out position variation. Figure 2 The inner wall of slide groove frame 3 is installed with cylinder two 6 (such as the attached
[0034] The inner wall of slide groove plate 5 is slidingly connected with pulley 8, and slide groove plate 5 has the sliding position definition effect to pulley 8. The inner wall slidingly connected in mobile plate 7 (such as the attached Figure 2 The position of pulley 8 is limited by the joint action of slide groove plate 5 and mobile plate 7. The bottom of pulley 8 is installed with detection head 10, and the position variation of pulley 8 drives the position of detection head 10 to change. The inside of slide groove frame 3 is provided with channel, and slide groove frame 3 has the position of providing setting place effect to channel. One end of mobile plate 7 is slidingly connected in the inner wall of channel, and channel has the position definition effect to mobile plate 7.
[0035] Referring to Figures 3 to 4 The outside of base station 1 is installed with motor 12, and base station 1 has the fixed installation place effect to motor 12. The top of base station 1 is installed with two conveyors 11, and base station 1 has the fixed installation place effect to two conveyors 11. The driving end of motor 12 is fixedly connected with rotating shaft 13, starts motor 12, and the position variation of the driving end of motor 12 drives rotating shaft 13 to rotate. The outside rotatingly connected in the inside of base station 1 of rotating shaft 13, and base station 1 has the definition rotating place effect to rotating shaft 13. The outside fixedly connected with four rotating plates 14 of rotating shaft 13, and the rotation of rotating shaft 13 drives the position of rotating plate 14 to change.
[0036] The outer part of each of the four rotating plates 14 is fixedly connected with a limiting plate 15 (as shown in the attached Figure 4 The position of the rotating plate 14 changes the position of the limiting plate 15. The inner wall of each of the four limiting plates 15 is fixedly connected with a plurality of springs 17, and the position of the limiting plate 15 has a fixed effect on the spring 17. The inner wall of each of the four limiting plates 15 is slidingly connected with an elastic plate 16, and the elastic plate 16 can slide on the inner wall of the limiting plate 15 under stress. The other end of each of the plurality of springs 17 is fixedly connected to the outside of the elastic plate 16 (as shown in the attached Figure 3 The elastic plate 16 has a fixed position effect on the other end of the spring 17.
[0037] Working principle: start the cylinder one 4 and the cylinder two 6, the cylinder one 4 drives the position of the sliding chute plate 5 to change, the cylinder two 6 drives the position of the moving plate 7 to change, thereby limiting the position of the pulley 8 at the intersection of the moving plate 7 and the sliding chute plate 5, the position of the pulley 8 changes the position of the detection head 10 at the bottom of the pulley 8, and the detection head 10 is moved to position detection, avoiding the movement or vibration of the object to be detected during detection, ensuring the accuracy and consistency of the detection result. This positioning method reduces external interference and potential damage risk to the object to be detected, protecting the integrity of the object surface.
[0038] Start the motor 12, the rotation of the driving end of the motor 12 drives the rotation of the rotating shaft 13, the rotation of the rotating shaft 13 drives the rotation of the plurality of rotating plates 14, at this time the two sides of the conveying belt 11 are working, and the object to be detected which is just clamped between the elastic plate 16 and one of the rotating plates 14 is turned over. Since the inclination angle between one of the rotating plates 14 and the top of the base 1 gradually decreases when the turning is less than one hundred and eighty degrees, the object falls back into the top of the conveying belt 11 in an inclined state for conveying. Due to the effect of inertia, the object remains stable on the top of the conveying belt 11 after being completely turned over one hundred and eighty degrees, ensuring that each surface of the object to be detected can be fully and carefully detected, effectively avoiding the problem of missed detection due to the detection blind area. During the movement of the object, the object presses the elastic plate 16 due to its own weight, the elastic plate 16 can cause the plurality of springs 17 to deform, and the plurality of springs 17 have a tendency to return to their original position, which pushes the elastic plate 16 in the opposite direction, thereby causing the object to be pressed by the elastic plate 16 and one of the rotating plates 14, so that the object remains stable during the turning process, maintaining the overall stability of the object to be detected during the turning process, and reducing the error caused by movement or vibration.
[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A positioning structure for an automated optical inspection apparatus comprising a base (1), characterised in that: The top of the base (1) is fixedly connected with the mounting assembly of the mounting positioning structure, the inner wall of the mounting assembly is fixedly connected with the sliding groove frame (3), the inner wall of the sliding groove frame (3) is provided with the air cylinder one (4), the inner wall of the sliding groove frame (3) is slidably connected with the sliding groove plate (5), the driving end of the air cylinder one (4) is fixedly connected to the outside of the sliding groove plate (5), the inner wall of the sliding groove frame (3) away from the air cylinder one (4) is provided with the air cylinder two (6), the inner wall of the sliding groove plate (5) is provided with the sliding groove (9), the inner wall of the sliding groove (9) is slidably connected with the moving plate (7), the driving end of the air cylinder two (6) is fixedly connected to the outside of the moving plate (7), the inner wall of the sliding groove plate (5) is slidably connected with the pulley (8).
2. The positioning structure of an automated optical inspection apparatus according to claim 1, wherein: The mounting assembly comprises the support frame (2), and the top of the sliding groove frame (3) is fixedly connected to the inner wall of the support frame (2).
3. The positioning structure of an automated optical inspection apparatus according to claim 1, wherein: The outside of the pulley (8) is slidably connected to the inner wall of the moving plate (7), and the bottom of the pulley (8) is provided with the detection head (10).
4. A positioning structure for an automated optical inspection apparatus according to claim 3, wherein: The inner wall of the sliding groove frame (3) is provided with the groove, and one end of the moving plate (7) is slidably connected to the inner wall of the groove.
5. The positioning structure of an automated optical inspection apparatus according to claim 1, wherein: The outer portion of the motor (12) is fixedly connected with the rotating shaft (13), and the outer portion of the rotating shaft (13) is rotatably connected to the inner portion of the base (1).
6. A positioning structure for an automated optical inspection apparatus according to claim 5, wherein: The outer portion of the rotating shaft (13) is fixedly connected with the four rotating plates (14), and the outer portion of each of the four rotating plates (14) is fixedly connected with the limiting plate (15).
7. A positioning structure for an automated optical inspection apparatus according to claim 6, wherein: The inner wall of each of the four limiting plates (15) is fixedly connected with the plurality of springs (17), the inner wall of each of the four limiting plates (15) is slidably connected with the elastic plate (16), and the other end of each of the plurality of springs (17) is fixedly connected to the outside of the elastic plate (16).
8. A positioning structure for an automated optical inspection apparatus according to claim 7, wherein: