Coated edge defect detection device based on industrial robot vision

By introducing detection and screening components into the adhesive edge defect detection device, and using electric push rods and servo motors to drive the CCD camera, comprehensive detection of the adhesive edge is achieved. This solves the problem of unsatisfactory detection results caused by fixed CCD camera installation, and improves detection accuracy and automation.

WO2026064946A1PCT designated stage Publication Date: 2026-04-02HEBEI CHEM & PHARMA COLLEGE
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2026-04-02

AI Technical Summary

Technical Problem

In existing industrial robot vision-based adhesive edge defect detection devices, the fixed installation of CCD cameras leads to unsatisfactory detection results, especially in cases where minute unevenness at the adhesive edge cannot be detected.

Method used

By combining detection and screening components, a CCD camera driven by an electric push rod achieves horizontal and vertical movement, and a servo motor drives a belt roller and a drive motor drives a scraper to automatically detect and screen unqualified glued parts.

Benefits of technology

It enables comprehensive inspection of the glued edges, improves inspection accuracy, has a high degree of automation, reduces manual intervention, and improves production efficiency and product quality.

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Abstract

A coated edge defect detection device based on industrial robot vision, relating to the technical field of defect detection, comprising a base plate (1), wherein support legs (2) are fixedly connected to both sides of the base plate, a belt roller (3) is rotationally connected to the inner top of the base plate, a conveyor belt (4) is rotationally connected to the surface of the belt roller, and a detection chamber (5) is fixedly connected to the top of the base plate. An electric linear actuator (7) is activated to drive a detection box (8) to move downward, the downward movement of the detection box drives a gear (11) to rotate on a rack (9), the rotation of the gear drives a screw rod (10) to rotate, the screw rod drives a sliding sleeve (12) to move, the sliding sleeve drives a CCD camera (13) to move horizontally, and the horizontal movement enables the CCD camera to detect the edge position of a coated workpiece; the downward movement of the detection box can drive the CCD camera inside to move vertically; in this way, the CCD camera can achieve both vertical and horizontal movements, thereby enabling effective defect detection on the coated edge of the coated workpiece.
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Description

A glue edge defect detection device based on industrial robot vision TECHNICAL FIELD

[0001] The present application belongs to the technical field of defect detection, in particular relates to a glue edge defect detection device based on industrial robot vision. BACKGROUND

[0002] The glue edge defect detection device based on industrial robot vision is a device that combines robot technology and visual recognition system, which is used for automatic detection of defects in the glue edge of products. This device is usually equipped with high-resolution cameras and image processing software, which can analyze the glue quality in real time. The main functions include:

[0003] 1. Defect identification: can quickly and accurately identify defects in the glue edge, such as insufficient glue, excessive glue, bubbles, particles, etc.

[0004] 2. Improve production efficiency: through automatic detection, reduce the time and cost of manual inspection, and improve the overall efficiency of the production line.

[0005] 3. Quality control: ensure that each product meets quality standards, reduce the rate of defective products, and improve product reliability and customer satisfaction. In summary, this device not only improves the accuracy and speed of detection, but also plays an important role in quality management during the production process.

[0006] However, the current glue edge defect detection device based on industrial robot vision mostly uses fixed installation of CCD cameras to detect glue edge defects. However, the fixed installation method has some defects, such as the inability to detect the edge, and when the height of the CCD camera is not reasonable, it may not be able to detect subtle uneven glue, resulting in unsatisfactory glue edge defect detection results.

[0007] Therefore, we provide a glue edge defect detection device based on industrial robot vision to solve the above problems.

[0008] SUMMARY

[0009] The purpose of the present application is to provide a glue edge defect detection device based on industrial robot vision, which solves the problem of unsatisfactory detection effect of the glue edge defect detection device in the prior art through the cooperation of the detection assembly and the screening assembly.

[0010] To solve the above technical problems, the present application is realized by the following technical scheme:

[0011] The application is a kind of glue edge defect detection device based on industrial robot vision, including bottom plate, both sides of the bottom plate are fixedly connected with support legs, the inner top of the bottom plate is rotatably connected with a belt roller, the surface of the belt roller is rotatably connected with a conveying belt, the top of the bottom plate is fixedly connected with a detection bin;

[0012] One side of the top of the detection bin is provided with a detection assembly, the detection assembly includes a detection box, the detection box is fixedly connected to one side of the top of the detection bin, and the bottom extends into the inside of the detection bin, the top center of the detection box is fixedly connected with an electric push rod, the output shaft of the electric push rod penetrates into the inside of the detection box and is fixedly connected with a detection box, the four corners of the inside top of the detection box are all fixedly connected with a toothed plate, the bottom of the toothed plate extends into the inside of the detection box, both sides of the inside of the detection box are rotatably connected with screws, both sides of the surface of the screw are fixedly connected with gears, the gears are meshed with the toothed plates, one side of the surface of the screw is threadedly connected with a sliding sleeve, a CCD camera is fixedly installed between the two sliding sleeves;

[0013] The other side of the top of the detection bin is provided with a screening assembly, the screening assembly includes a screening box, the screening box is fixedly connected to the other side of the top of the detection bin, a collection box is installed on one side of the back of the bottom plate, and unqualified glue processing parts can be screened out through the screening assembly.

[0014] The application is further provided that one side of the screening box is fixedly connected with a driving motor, the output end of the driving motor extends into the inside of the screening box and is fixedly connected with a lead screw, one side of the surface of the lead screw is threadedly connected with a sliding cylinder, the surface of the sliding cylinder is fixedly connected with a scraper, the bottom of the scraper extends into the inside of the detection bin and is located on the top of the conveying belt.

[0015] The application is further provided that both sides of the back of the bottom plate are fixedly connected with servo motors, and the output ends of the servo motors are fixedly connected with the belt roller.

[0016] The application is further provided that a maintenance cover plate is arranged on the back of the detection bin, bolts are threadedly connected with the four corners of the back of the maintenance cover plate, and the bolts extend into the inside of the detection bin through the maintenance cover plate.

[0017] The application is further provided that a discharging port is formed in one side of the inside of the maintenance cover plate, and the discharging port is used for discharging unqualified glue processing parts.

[0018] The application is further provided that observation windows are rotatably connected with both sides of the front of the detection bin, and a controller is fixedly installed on one side of both sides of the front of the detection bin and located on one side of the observation window.

[0019] The application is further provided that grooves are formed in the front and back of the detection box, and the detection box is slidably connected with the inner wall of the detection box through the grooves.

[0020] The application further provides that the sliding sleeve is fixedly connected with a guide plate on one side, and the guide plate is slidably connected with the inner wall of the detection box on the other side.

[0021] The application further provides that the guide rod is fixedly connected with the inner wall of the screening box at both ends, and the scraper is slidably connected with the guide rod.

[0022] The application further provides that the movable grooves are formed at the four corners of the top of the detection box, the diameter of the movable grooves is greater than the diameter of the toothed plate, and the reinforcing beam is fixedly connected with the side of the supporting leg.

[0023] The application has the following advantages:

[0024] 1. The detection box is lowered by opening the electric push rod, and the gear rotates on the toothed plate in the process of lowering the detection box. When the gear rotates, the screw rod rotates, the sliding sleeve moves, the CCD camera moves horizontally, and the edge position of the rubberized workpiece is detected. In the process of lowering the detection box, the CCD camera inside the detection box moves vertically, so that the CCD camera can achieve the purpose of vertical and horizontal movement, thereby effectively detecting the defects of the rubberized edge of the rubberized workpiece.

[0025] 2. The screw rod is rotated by opening the driving motor, the sliding cylinder is moved, the scraper is moved, the unqualified rubberized workpiece is pushed into the collecting box through the discharge port, and the unqualified rubberized workpiece is collected, thereby saving labor.

[0026] 3. The servo motor is provided, the belt roller is rotated to drive the conveying belt to rotate, the maintenance cover plate is provided to facilitate the maintenance of the internal structure of the detection chamber, the discharge port is provided to facilitate the discharge of unqualified rubberized workpieces, and the observation window is provided to facilitate the observation of the internal situation of the detection chamber.

[0027] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0029] Fig. 1 is a perspective view of a rubberized edge defect detection device based on industrial robot vision.

[0030] Fig. 2 is a partial sectional view of a rubberized edge defect detection device based on industrial robot vision.

[0031] Figure 3 is a rear view of a glue edge defect detection device based on industrial robot vision;

[0032] Figure 4 is a partial structure explosion diagram of a glue edge defect detection device based on industrial robot vision;

[0033] Figure 5 is a partial structure enlarged view of a glue edge defect detection device based on industrial robot vision;

[0034] Figure 6 is an internal structure diagram of a screening box in a glue edge defect detection device based on industrial robot vision.

[0035] In the drawings: 1, bottom plate; 2, support leg; 3, belt roller; 4, conveying belt; 5, detection bin; 6, detection box; 7, electric push rod; 8, detection box; 9, toothed plate; 10, screw; 11, gear; 12, sliding sleeve; 13, CCD camera; 14, screening box; 15, collection box; 16, drive motor; 17, lead screw; 18, sliding cylinder; 19, scraper; 20, servo motor; 21, maintenance cover plate; 22, bolt; 23, discharge port; 24, observation window; 25, controller; 26, sliding chute; 27, guide plate; 28, guide rod; 29, movable slot; 30, reinforcing beam. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0037] Embodiment one

[0038] Please refer to Figure 1-6, the present application is a kind of based on industrial robot vision's glueing edge defect detection device, including base plate 1, both sides of base plate 1 are fixedly connected with support leg 2, the top of base plate 1 is rotatably connected with belt roller 3, belt roller 3 surface is rotatably connected with conveying belt 4, the top of base plate 1 is fixedly connected with detection bin 5;Detection bin 5 top side is provided with detection assembly, detection assembly includes detection box 6, detection box 6 is fixedly connected to the top side of detection bin 5, and bottom extends to the inside of detection bin 5, the top center of detection box 6 is fixedly connected with electric push rod 7, the output shaft of electric push rod 7 penetrates to the inside of detection box 6, and is fixedly connected with detection box 8, the top of detection box 6 is fixedly connected with the four corners in the inside, and the bottom of detection box 8 extends to the inside of detection box 8, both sides of detection box 8 are rotatably connected with screw rod 10, both sides of screw rod 10 surface are fixedly connected with gear 11, gear 11 is engaged with gear 11, screw rod 10 surface one side is threadedly connected with sliding sleeve 12, two sliding sleeves 12 are fixedly installed with CCD camera 13;Detection bin 5 top side is provided with screening assembly, screening assembly includes screening box 14, screening box 14 is fixedly connected to the other side of the top of detection bin 5, the back of base plate 1 is installed with collection box 15, and unqualified glue processing parts can be screened out by screening assembly.

[0039] Specific: by the setting of belt roller 3, it can be convenient to rotate conveying belt 4, detection box 8 and detection box 6 are slidably connected, can move up and down, the top of detection box 6 is fixedly connected with gear 11, to ensure the stability during use, gear 11 and gear 11 are in meshing state, gear 11 can rotate on gear 11, both ends of screw rod 10 are fixedly installed with bearing, bearing is rotatably connected with the inside of detection box 8, to ensure that screw rod 10 can rotate in the inside of detection box 8, CCD camera 13 is prior art, can capture subtle defects, such as scratch, crack or uneven glueing.

[0040] Example two

[0041] Please refer to Figure 1-6, on the basis of example one, screening box 14 one side is fixedly connected with driving motor 16, driving motor 16 output end extends to the inside of screening box 14, and is fixedly connected with lead screw 17, the surface one side of lead screw 17 is threadedly connected with sliding cylinder 18, sliding cylinder 18 surface is fixedly connected with scraper 19, scraper 19 bottom extends to the inside of detection bin 5, and is located in the top of conveying belt 4, the back of base plate 1 both sides are fixedly connected with servo motor 20, servo motor 20 output end is fixedly connected with belt roller 3, detection bin 5 back is provided with maintenance cover plate 21, the back four corners of maintenance cover plate 21 are threadedly connected with bolt 22, one end of bolt 22 penetrates maintenance cover plate 21 and extends to the inside of detection bin 5, the inside one side of maintenance cover plate 21 is provided with discharge port 23, for discharging unqualified glue processing parts.

[0042] Specifically: the end of the lead screw 17 away from the driving motor 16 is rotatably connected with the inside of the screening box 14 through a bearing, ensuring stability during rotation, and the setting of the servo motor 20 can drive the belt roller 3 to rotate, so as to drive the conveying belt 4 to rotate, and the setting of the maintenance cover plate 21 can facilitate the maintenance and detection of the internal structure of the detection bin 5.

[0043] Example three

[0044] Referring to FIGS. 1-6, on the basis of example one, the detection bin 5 is rotatably connected with observation windows 24 on both sides of the front face, a controller 25 is fixedly installed on one side of the front face of the detection bin 5 and located on one side of the observation window 24, slotted holes 26 are formed on the front face and the back face of the detection box 8, the detection box 8 is slidably connected with the inner wall of the detection box 6 through the slotted holes 26, a guide plate 27 is fixedly connected on one side of the sliding sleeve 12, the other side of the guide plate 27 is slidably connected with the inner wall of the detection box 8, a guide rod 28 is arranged through the inside of the scraper 19, the guide rod 28 is fixedly connected with the inner wall of the screening box 14 at both ends, the scraper 19 is slidably connected with the guide rod 28, movable grooves 29 are formed at the top of the detection box 8 at four corners, the diameter of the movable grooves 29 is greater than the diameter of the toothed plate 9, and a reinforcing beam 30 is fixedly connected on one side of the supporting leg 2.

[0045] Specifically: the setting of the slotted hole 26 can make the detection box 8 slide in the inside of the detection bin 5, ensuring the stability of the vertical movement of the detection box 8, the setting of the guide plate 27 can limit the sliding sleeve 12, so that the sliding sleeve 12 can move horizontally stably, the setting of the guide rod 28 can limit the scraper 19, so that the scraper 19 can move horizontally stably, and the setting of the movable groove 29 can ensure that the detection box 8 can move vertically.

[0046] The working principle of the present application is as follows: the rubber coating processing piece to be detected is placed on the top of the conveying belt 4, then the controller 25 starts the servo motor 20, the servo motor 20 drives the belt roller 3 to rotate, the belt roller 3 drives the conveying belt 4 to rotate, and the conveying belt 4 rotates to convey the rubber coating processing piece to the inside of the detection bin 5;

[0047] Then the controller 25 starts the electric push rod 7, the electric push rod 7 extends to drive the detection box 8 to move downward, in the process of moving downward, the detection box 8 drives the gear 11 to rotate on the toothed plate 9, when the gear 11 rotates, it drives the screw rod 10 to rotate, the screw rod 10 drives the sliding sleeve 12 to move, the sliding sleeve 12 drives the CCD camera 13 to move horizontally, the CCD camera 13 moves horizontally to detect the edge position of the rubber coating processing piece, in the process of moving downward, the detection box 8 drives the CCD camera 13 inside to move vertically, so that the CCD camera 13 can achieve the purpose of vertical and horizontal movement, thereby effectively detecting the defects of the rubber coating edge of the rubber coating processing piece.

[0048] When the controller 25 detects that the rubberized workpiece has defects and does not meet the quality requirements, the controller 25 starts the driving motor 16, the driving motor 16 drives the lead screw 17 to rotate, the lead screw 17 drives the sliding cylinder 18 to move, the sliding cylinder 18 drives the scraper 19 to move, and the unqualified rubberized workpiece is scraped to the inside of the collecting box 15 through the discharging port 23, so as to complete the automatic detection and automatic screening of the rubberized workpiece.

[0049] The standard parts used in the application can be purchased from the market, and can be ordered according to the description and drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical, parts and equipment adopt the conventional type in the prior art. The control mode is automatically controlled by the control unit. The control circuit of the control unit can be realized by simple programming of the person skilled in the art, which belongs to the common knowledge in the art. Therefore, the control mode and circuit connection in the application will not be explained in detail.

[0050] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments. The embodiments are selected and described in detail in the specification in order to better explain the principles and practical applications of the application, so that the person skilled in the art can well understand and utilize the application.

Claims

1. A glue edge defect detection device based on vision of an industrial robot, comprising a base plate (1), characterized in that: Both sides of the bottom plate (1) are fixedly connected with support legs (2), the inner top of the bottom plate (1) is rotatably connected with a belt roller (3), the surface of the belt roller (3) is rotatably connected with a conveying belt (4), and the top of the bottom plate (1) is fixedly connected with a detection bin (5). One side of the top of the detection bin (5) is provided with a detection assembly, which comprises a detection box (6) fixedly connected to one side of the top of the detection bin (5) and extending to the inside of the detection bin (5), an electric push rod (7) fixedly connected to the center of the top of the detection box (6), an output shaft of the electric push rod (7) penetrating into the inside of the detection box (6) and fixedly connected with a detection box (8), a toothed plate (9) fixedly connected to each corner of the inner top of the detection box (6), the bottom of the toothed plate (9) extending to the inside of the detection box (8), a screw rod (10) rotatably connected to each side of the inner cavity of the detection box (8), a gear (11) fixedly connected to each side of the surface of the screw rod (10), the gear (11) meshing with the toothed plate (9), and a sliding sleeve (12) threadedly connected to one side of the surface of the screw rod (10), a CCD camera (13) fixedly installed between the two sliding sleeves (12). The other side of the top of the detection bin (5) is provided with a screening assembly, which comprises a screening box (14) fixedly connected to the other side of the top of the detection bin (5), and a collection box (15) mounted on one side of the back of the bottom plate (1), so that unqualified rubber coating workpieces can be screened out through the screening assembly.

2. The glue edge defect detection device based on industrial robot vision according to claim 1, characterized in that: One side of the screening box (14) is fixedly connected with a driving motor (16), an output end of the driving motor (16) extends into the inside of the screening box (14) and is fixedly connected with a lead screw (17), one side of the surface of the lead screw (17) is threadedly connected with a sliding cylinder (18), the surface of the sliding cylinder (18) is fixedly connected with a scraper (19), the bottom of the scraper (19) extends to the inside of the detection bin (5) and is located on the top of the conveying belt (4).

3. The glue edge defect detection device based on industrial robot vision according to claim 1, characterized in that: Both sides of the back of the bottom plate (1) are fixedly connected with servo motors (20), and output ends of the servo motors (20) are fixedly connected with the belt roller (3).

4. The glue edge defect detection device based on industrial robot vision according to claim 1, characterized in that: The back of the detection bin (5) is provided with a maintenance cover plate (21), four corners of the back of the maintenance cover plate (21) are threadedly connected with bolts (22), and one end of the bolt (22) penetrates through the maintenance cover plate (21) and extends into the inside of the detection bin (5).

5. The glue edge defect detection device based on vision of industrial robot according to claim 4, characterized in that: A discharging port (23) is formed in one side of the inside of the maintenance cover plate (21) for discharging unqualified rubber coating workpieces.

6. The glue edge defect detection device based on industrial robot vision according to claim 1, characterized in that: Both sides of the front of the detection bin (5) are rotatably connected with observation windows (24), and one side of the front of the detection bin (5) and located at the observation window (24) is fixedly installed with a controller (25).

7. The glue edge defect detection device based on industrial robot vision according to claim 1, characterized in that: Sliding grooves (26) are formed in the front and back of the detection box (8), and the detection box (8) is slidably connected with the inner wall of the detection box (6) through the sliding grooves (26).

8. The glue edge defect detection device based on industrial robot vision according to claim 1, characterized in that: One side of the sliding sleeve (12) is fixedly connected with a guide plate (27), and the other side of the guide plate (27) is slidably connected with the inner wall of the detection box (8).

9. The glue edge defect detection device based on industrial robot vision according to claim 2, characterized in that: The guiding rod (28) is fixedly connected with the inner wall of the screening box (14) at both ends.

10. The glue edge defect detection device based on vision of industrial robot according to claim 1, characterized in that: The movable grooves (29) are arranged at the four corners of the top of the detection box (8), the diameter of the movable grooves (29) is greater than the diameter of the toothed plate (9), and the reinforcing beam (30) is fixedly connected to one side of the supporting leg (2).

Citation Information

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