A tab detection device

Abstract

The utility model relates to a pull ring detection technical field, concretely relates to a pull ring detection device. The pull ring detection device, include: conveying assembly, conveying assembly is used for conveying jar body, detection assembly, detection assembly sets up on conveying assembly, detection assembly includes image acquisition structure, image acquisition structure has the end with pull ring to jar body orientation, to make image acquisition structure obtain jar body pull ring's image, control system, control system has controller and man -machine interface, controller is connected with image acquisition structure, man -machine interface and conveying assembly signal respectively. Through setting up image acquisition structure and control system, the image that controller can gather through image acquisition structure judges whether the pull ring of jar body that passes through image acquisition structure on conveying assembly has the defect, detects through the controller, effectively has improved the detection efficiency, has reduced the labor intensity.

Description

Technical Field

[0001] This utility model relates to the field of pull ring detection technology, and specifically to a pull ring detection device. Background Technology

[0002] In the beverage and food industry, the quality of the pull tab on aluminum cans directly affects the consumer experience and product safety. A deflected or warped pull tab may prevent the can from opening properly, or even cause leakage or contamination of the liquid. Therefore, after filling and sealing, aluminum cans need to be inspected. Traditional inspection methods mainly rely on manual visual inspection, but manual inspection suffers from low efficiency, high rate of missed inspections, and high labor intensity. Utility Model Content

[0003] In view of this, the present invention provides a pull ring detection device to solve the problems of low efficiency, high false negative rate and high labor intensity of manual detection.

[0004] This utility model provides a pull ring detection device, comprising:

[0005] A conveying assembly for conveying the tank;

[0006] A detection component is disposed on the conveying component, the detection component including an image acquisition structure facing the end of the tank with a pull ring, so that the image acquisition structure can acquire an image of the pull ring of the tank.

[0007] The control system has a controller and a human-machine interface, and the controller is connected to the image acquisition structure, the human-machine interface and the transmission component respectively.

[0008] In one alternative implementation, the system further includes an alarm component disposed on the conveying component and signal-connected to the controller.

[0009] In one alternative implementation, the alarm component includes a warning light and a buzzer, which are respectively signal-connected to the controller.

[0010] In one optional embodiment, the detection component further includes an auxiliary light source disposed on one side of the image acquisition structure, the light beam output by the auxiliary light source acting on the end face of the tank corresponding to the image acquisition structure.

[0011] In one alternative embodiment, the detection component includes a first bracket disposed on one side of the conveying component, and the image acquisition structure is disposed on the first bracket, wherein the image acquisition structure is parallel to the end face of the tank with a pull ring via the first bracket.

[0012] In one optional embodiment, the first support includes a first segment and a second segment. The first segment is fixedly disposed on one side of the conveying assembly and is parallel to the direction of movement of the tank. One end of the second segment is slidably connected to the first segment and is perpendicular to the first segment. The other end of the second segment is connected to the image acquisition structure, and one end of the second segment is fixedly connected to the first segment through a limiting structure.

[0013] In one alternative embodiment, the detection component further includes a second bracket disposed on one side of the conveying component, the second bracket being spaced apart from the first bracket, and the auxiliary light source being disposed on the second bracket.

[0014] In an optional embodiment, the assembly further includes: a pair of positioning members, the pair of positioning members being respectively disposed on both sides of the conveying assembly, the pair of positioning members forming a positioning channel, the positioning channel being used to position the tank so that the end face of the tank faces the image acquisition structure, the image acquisition structure being located at the outlet of the positioning channel.

[0015] In one alternative embodiment, the conveying assembly includes a conveyor belt and a drive structure, the tank is placed on the conveyor belt, the drive structure is connected to the conveyor belt to drive the conveyor belt to move, and the drive structure is signal-connected to the controller.

[0016] In one alternative implementation, the image acquisition structure is an industrial camera.

[0017] Beneficial effects:

[0018] 1. By setting up an image acquisition structure and control system, the controller can determine whether the pull ring of the can passing through the image acquisition structure on the conveying component has defects through the image acquired by the image acquisition structure. If the can has a defect, the controller will stop the conveying component in time and transmit the judgment result to the human-machine interface. The operator can obtain the information on the pull ring of the can in time based on the information displayed on the human-machine interface, and promptly process the defective can to prevent the can from entering the next process. At the same time, the operator in front of the human-machine interface can perform a secondary judgment on the image of the pull ring to prevent the controller from making a wrong judgment. This helps to ensure the detection accuracy and prevent false detections. At the same time, the detection through the controller effectively improves the detection efficiency and reduces the labor intensity.

[0019] 2. By setting an auxiliary light source, the auxiliary light source can assist the image acquisition structure in acquiring the image of the pull ring, preventing the controller's judgment from being affected by light problems and causing missed judgments.

[0020] 3. By adjusting the distance between the image acquisition structure and the tank, the height of the image acquisition structure can be adjusted according to the height of the tank. At the same time, the clarity of the image acquisition structure can also be effectively adjusted to ensure the detection quality and avoid missed or false detections. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of a pull ring detection device according to an embodiment of the present invention.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Conveying assembly; 101. Conveyor belt; 2. Tank; 3. Detection assembly; 301. Image acquisition structure; 302. Auxiliary light source; 303. First support; 3031. First section; 3032. Second section; 304. Second support; 4. Positioning component. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] The following is combined with Figure 1 The following describes embodiments of the present invention.

[0027] According to an embodiment of the present invention, a pull ring detection device is provided, comprising: a conveying component 1, a detection component 3, and a control system.

[0028] Specifically, the conveying assembly 1 is used to convey the tank 2. A detection assembly 3 is mounted on the conveying assembly 1 and includes an image acquisition structure 301. The image acquisition structure 301 faces the end of the tank 2 that has a pull ring, so that the image acquisition structure 301 can acquire an image of the pull ring of the tank 2. The control system has a controller and a human-machine interface, and the controller is signal-connected to the image acquisition structure 301, the human-machine interface, and the conveying assembly 1, respectively.

[0029] In this embodiment, the filled and sealed can 2 is transported to the packaging process via the conveying assembly 1. During the transport process, the pull ring of the can 2 needs to be detected. An image acquisition structure 301 is installed on the path of the can 2 to the packaging process. The image acquisition structure 301 is located on one side of the conveying assembly 1. The image acquisition structure 301 is used to acquire images of the pull ring of the can 2 as it passes through the image acquisition structure 301. The image acquisition structure 301 is signal-connected to a controller (not shown). The image acquisition structure 301 can transmit the acquired pull ring image to the controller, which can perform preprocessing on the image, such as grayscale conversion, filtering, and edge detection. The controller extracts the characteristic area of ​​the pull ring of the can 2 and determines whether the pull ring is deflected or raised. The controller can transmit the detection results and the image acquired by the image acquisition structure 301 to the human-machine interface (not shown). Relevant personnel can see the image of the pull ring and the detection results through the human-machine interface. If the controller determines that the pull ring image acquired by the image acquisition structure 301 is deflected or raised, the controller controls the conveying component 1 to stop conveying until the personnel remove the defective can 2. Then, the personnel in front of the human-machine interface can transmit a start signal to the controller through the human-machine interface, and the controller can control the conveying component 1 to restart.

[0030] Preferably, the controller is a PLC controller, and the image acquisition structure is a 301-bit industrial camera. It should be noted that the controller's functions can be implemented through programming, which is something that those skilled in the art can conceive of and easily implement.

[0031] By setting up an image acquisition structure 301 and a control system, the controller can determine whether the pull ring of the tank 2 passing through the image acquisition structure 301 on the conveying component 1 is defective based on the image acquired by the image acquisition structure 301. If the pull ring of the tank 2 is defective, the controller will stop the conveying component 1 in time and transmit the judgment result to the human-machine interface. The operator can obtain the information displayed on the human-machine interface in time that the pull ring on the tank 2 is defective and process the defective tank 2 in time to prevent the tank 2 from entering the next process. At the same time, the operator in front of the human-machine interface can make a secondary judgment on the image of the pull ring to prevent the controller from making incorrect judgments. This helps to ensure the detection accuracy and prevent false detections. At the same time, the detection through the controller effectively improves the detection efficiency and reduces the labor intensity.

[0032] In one embodiment, the system further includes an alarm component. The alarm component is disposed on the conveying component 1 and is signal-connected to the controller.

[0033] In this embodiment, the alarm component is connected to the controller signal. When the controller determines that the pull ring image acquired by the image acquisition structure 301 has deflection or tilting, the controller controls the conveying component 1 to stop working and simultaneously controls the alarm component to start, reminding relevant personnel.

[0034] In one embodiment, the alarm component includes a warning light and a buzzer, which are respectively connected to the controller signal.

[0035] In this embodiment, both the warning light (not shown) and the buzzer (not shown) are installed on the conveying assembly 1. When the controller determines that the pull ring image acquired by the image acquisition structure 301 has deflection or tilting, the controller controls the warning light and buzzer to start to remind the relevant personnel.

[0036] In one embodiment, the detection component 3 further includes an auxiliary light source 302, which is disposed on one side of the image acquisition structure 301. The light beam output by the auxiliary light source 302 acts on the end face of the tank 2 corresponding to the image acquisition structure 301.

[0037] In this embodiment, the auxiliary light source 302 is located on one side of the image acquisition structure 301. The light beam output by the auxiliary light source 302 acts on the end face of the can 2 with the pull ring corresponding to the image acquisition structure 301. The auxiliary light source 302 can assist the image acquisition structure 301 in acquiring the image of the pull ring, preventing the controller's judgment from being affected by light problems and causing missed judgments.

[0038] Preferably, the auxiliary light source 302 is an LED lamp.

[0039] In one embodiment, the detection component 3 includes a first bracket 303, which is disposed on one side of the conveying component 1. An image acquisition structure 301 is disposed on the first bracket 303, and the image acquisition structure 301 is parallel to the end face of the tank 2 with the pull ring through the first bracket 303.

[0040] In this embodiment, the first bracket 303 is disposed on one side of the conveying assembly 1, and the image acquisition structure 301 is fixedly disposed on the first bracket 303. The end of the can 2 with the pull ring is located on the upper surface of the can 2. The image acquisition structure 301 is disposed above the can 2 through the first bracket 303, and the image acquisition structure 301 is coaxial with the can 2 below which the pull ring image is being acquired. When the can 2 passes under the image acquisition structure 301 through the conveying assembly 1, the image acquisition structure 301 can acquire the image of the pull ring of the can 2.

[0041] In other embodiments, when the end of the tank 2 with the pull ring is located on the lower end face of the tank 2, the image acquisition structure 301 is set below the tank 2 via the first bracket 303.

[0042] In one embodiment, the first support 303 includes a first segment 3031 and a second segment 3032. The first segment 3031 is fixedly disposed on one side of the conveying assembly 1 and is parallel to the moving direction of the tank 2. One end of the second segment 3032 is slidably connected to the first segment 3031 and is perpendicular to the first segment 3031. The other end of the second segment 3032 is connected to the image acquisition structure 301, and one end of the second segment 3032 is fixedly connected to the first segment 3031 through a limiting structure.

[0043] In this embodiment, the first segment 3031 is positioned along the direction of gravity and parallel to the direction of movement of the tank 2. One end of the second segment 3032 is slidably connected to the first segment 3031, and the second segment 3032 can move along the guiding direction of the first segment 3031. The image acquisition structure 301 is positioned at the other end of the second segment 3032, and the second segment 3032 is perpendicular to the first segment 3031. By moving the second segment 3032, the distance between the image acquisition structure 301 and the tank 2 can be adjusted. One end of the second segment 3032 is fixedly connected to the first segment 3031 through a limiting structure, thereby fixing the second segment 3032. By adjusting the distance between the image acquisition structure 301 and the tank 2, the height of the image acquisition structure 301 can be adjusted according to the height of the tank 2. At the same time, the clarity of the image acquisition structure 301 can also be effectively adjusted to ensure detection quality and avoid missed or false detections.

[0044] Specifically, the first segment 3031 has a groove (not shown) on the side facing the tank 2, and one end of the second segment 3032 is provided with a slider (not shown) that slides with the groove. The limiting structure is a pin (not shown). Several limiting holes (not shown) are provided on both sides of the groove, extending in the opposite direction along the first segment 3031 and spaced apart. The limiting holes on both sides are opposite to each other. The slider is provided with a through hole (not shown), which corresponds to the limiting hole. The pin limits the slider by passing through the limiting hole and the through hole.

[0045] In other embodiments, the first segment 3031 is a lead screw connected to a lead screw motor, and one end of the second segment 3032 is provided with a slider that is threaded with the lead screw. The lead screw motor drives the lead screw to rotate, causing the slider to move the second segment 3032. The limiting structure is the threaded structure of the lead screw and the slider.

[0046] In one embodiment, the detection component 3 further includes a second bracket 304, which is disposed on one side of the conveying component 1. The second bracket 304 is spaced apart from the first bracket 303, and the auxiliary light source 302 is disposed on the second bracket 304.

[0047] In this embodiment, the second support 304 is disposed on one side of the conveying assembly 1 and located on one side of the first support 303. The second support 304 and the first support 303 are spaced apart. The auxiliary light source 302 is disposed on the second support 304 and is located above the tank 2.

[0048] In one embodiment, the system further includes a pair of positioning elements 4. The pair of positioning elements 4 are respectively disposed on both sides of the conveying assembly 1, and a positioning channel is formed between the pair of positioning elements 4. The positioning channel is used to position the tank 2 so that the end face of the tank 2 faces the image acquisition structure 301, and the image acquisition structure 301 is located at the outlet of the positioning channel.

[0049] In this embodiment, a pair of positioning elements 4 are respectively arranged on both sides of the conveying component 1. The pair of positioning elements 4 are arranged at intervals relative to each other, and a positioning channel is formed between the pair of positioning elements 4. The positioning channel can position and limit the tank 2. The image acquisition structure 301 is located at the outlet of the positioning channel. The positioning channel can ensure that the tank 2 whose pull ring image is being acquired is coaxially arranged with the image acquisition structure 301 above it.

[0050] In one embodiment, the conveying assembly 1 includes a conveyor belt 101 and a drive structure. The tank 2 is placed on the conveyor belt 101, the drive structure is connected to the conveyor belt 101 to drive the conveyor belt 101 to move, and the drive structure is signal-connected to the controller.

[0051] In this embodiment, the driving structure is the conveyor belt 101 motor. When the controller determines that the pull ring image acquired by the image acquisition structure 301 has deflection or tilting, the controller controls the conveyor belt 101 motor to stop working, and the conveyor belt 101 can stop, making it convenient for relevant personnel to remove the defective can 2.

[0052] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A pull ring detection device, characterized in that, include: A conveying assembly (1) for conveying a tank (2); A detection component (3) is disposed on the conveying component (1). The detection component (3) includes an image acquisition structure (301). The image acquisition structure (301) faces the end of the tank (2) that has a pull ring, so that the image acquisition structure (301) can acquire an image of the pull ring of the tank (2). The control system has a controller and a human-machine interface, and the controller is connected to the image acquisition structure (301), the human-machine interface and the transmission component (1) respectively.

2. The pull ring detection device according to claim 1, characterized in that, Also includes: An alarm component is disposed on the conveying component (1) and is signal-connected to the controller.

3. The pull ring detection device according to claim 2, characterized in that, The alarm component includes a warning light and a buzzer, which are respectively connected to the controller via signals.

4. The pull ring detection device according to any one of claims 1 to 3, characterized in that, The detection component (3) also includes an auxiliary light source (302), which is disposed on one side of the image acquisition structure (301). The light beam output by the auxiliary light source (302) acts on the end face of the tank (2) corresponding to the image acquisition structure (301).

5. The pull ring detection device according to claim 4, characterized in that, The detection component (3) includes a first bracket (303), which is disposed on one side of the conveying component (1). The image acquisition structure (301) is disposed on the first bracket (303), and the image acquisition structure (301) is parallel to the end face of the tank (2) with the pull ring through the first bracket (303).

6. The pull ring detection device according to claim 5, characterized in that, The first support (303) includes a first segment (3031) and a second segment (3032). The first segment (3031) is fixedly disposed on one side of the conveying assembly (1). The first segment (3031) is parallel to the moving direction of the tank (2). One end of the second segment (3032) is slidably connected to the first segment (3031). The second segment (3032) is perpendicular to the first segment (3031). The other end of the second segment (3032) is connected to the image acquisition structure (301). One end of the second segment (3032) is fixedly connected to the first segment (3031) through a limiting structure.

7. The pull ring detection device according to claim 5, characterized in that, The detection component (3) further includes a second bracket (304), which is disposed on one side of the conveying component (1). The second bracket (304) is spaced apart from the first bracket (303), and the auxiliary light source (302) is disposed on the second bracket (304).

8. The pull ring detection device according to claim 6 or 7, characterized in that, Also includes: A pair of positioning elements (4) are respectively disposed on both sides of the conveying assembly (1), and a positioning channel is formed between the pair of positioning elements (4). The positioning channel is used to position the tank (2) so that the end face of the tank (2) faces the image acquisition structure (301). The image acquisition structure (301) is located at the outlet of the positioning channel.

9. The pull ring detection device according to claim 6 or 7, characterized in that, The conveying assembly (1) includes a conveyor belt (101) and a drive structure. The tank (2) is placed on the conveyor belt (101). The drive structure is connected to the conveyor belt (101) to drive the conveyor belt (101) to move. The drive structure is signal-connected to the controller.

10. The pull ring detection device according to claim 6 or 7, characterized in that, The image acquisition structure (301) is an industrial camera.

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