Automatic visual inspection device for defects of plastic bottles

Abstract

The utility model discloses an automatic visual inspection device for plastic bottle defects, which comprises a workbench, a conveying belt is arranged in the workbench, the front end and the rear end of the workbench are fixedly connected with fixing seats, the tops of the fixing seats are rotatably connected with a mounting frame, the mounting frame is respectively and rotatably connected with the conveying belt and the workbench, and the conveying belt is fixedly connected with the workbench. A handle is fixedly connected to the top of the mounting frame, a guide wheel is hinged to the interior of the mounting frame, and the top of the workbench makes contact with a support. By designing the conveying belt, plastic bottles can be conveyed, when the plastic bottles are conveyed to pass through the CDD camera, the CDD camera can shoot the plastic bottles so as to achieve automatic visual detection of defects of the plastic bottles, the output end of the motor can drive the screw to rotate through the motor, threaded movement of the support can be achieved, and therefore the defects of the plastic bottles can be automatically detected. And the bracket can drive the CDD camera to move in the vertical direction, so that the shooting height is convenient to adjust, and the applicability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to an automatic visual detection device for plastic bottle defects. Background Technique

[0002] A plastic bottle is a container used to hold liquid or solid items and is made of plastic materials. Common plastic bottle materials include polyethylene (PET), polypropylene (PP), polyvinyl chloride (PVC), etc.

[0003] During the production and processing of plastic bottles, it is necessary to detect plastic bottle defects through a visual detection device. An automatic visual detection device for plastic bottle defects is a device that uses visual technology and automation technology to detect possible defects in the production process of plastic bottles. This device usually includes a camera, a light source, an image processing system, and a control system.

[0004] When the current visual detection device is in use, it is not convenient to adjust the working height of the shooting camera, and it cannot well adapt to plastic bottles of different sizes for shooting and detection. Moreover, during the detection process, the plastic bottles need to be transported through a conveyor belt, and it is not convenient to guide the movement of the plastic bottles during transportation. If the movement of the plastic bottles is offset, it will be misaligned with the shooting camera, which will affect the progress of the shooting and detection work. Therefore, improvements are needed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automatic visual detection device for plastic bottle defects, which solves the problem of inconvenient adjustment of the working height of the shooting camera and also solves the problem of inconvenient guiding of the movement of plastic bottles during transportation.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An automatic visual detection device for plastic bottle defects, including a workbench, a conveyor belt is arranged inside the workbench, fixed seats are fixedly connected to both the front and rear ends of the workbench, a mounting frame is rotatably connected to the top of the fixed seat, the mounting frame is respectively rotatably connected to the conveyor belt and the workbench, a handle is fixedly connected to the top of the mounting frame, a guide wheel is hinged inside the mounting frame, a bracket is in contact with the top of the workbench, a CDD camera is fixedly installed inside the bracket, an adjusting mechanism is arranged on the bracket, and a rotating mechanism is arranged on the mounting frame.

[0007] Preferably, the adjusting mechanism includes a fixed box. The bottom of the bracket contacts the fixed box, and the fixed box is fixedly connected to the workbench. The bottom of the inner wall of the fixed box is fixedly connected with a motor. The upper end of the output end of the motor is fixedly connected with a screw rod. The screw rod is rotatably connected to the fixed box through a bearing. The screw rod is threadedly connected to the bracket. The bottom of the bracket is fixedly connected with a guide rod. The guide rod is slidably connected to the fixed box. The bottom of the guide rod is fixedly connected with a limit block. By designing the adjusting mechanism, it is convenient to adjust the height of the CDD camera.

[0008] Preferably, a guide groove is provided inside the fixed box, and the guide rod is slidably connected to the inside of the guide groove. By designing the guide groove, the guide rod can slide along the guide groove.

[0009] Preferably, the rotating mechanism includes a groove. A groove is provided inside the fixed seat. A ball is movably sleeved inside the groove. A rotating seat is movably sleeved outside the ball. The rotating seat is rotatably connected to the fixed seat. A slider is slidably sleeved inside the rotating seat. The slider is movably connected to the ball. A spring is provided inside the rotating seat. The top of the rotating seat is fixedly connected with a rotating shaft. The rotating shaft is rotatably connected to the fixed seat through a bearing. The rotating shaft is fixedly connected to the mounting bracket. By designing the rotating mechanism, the position of the guide wheel can be adjusted.

[0010] Preferably, the number of the grooves is multiple, and the multiple grooves are annularly and continuously and evenly distributed inside the fixed seat. By designing multiple grooves, the balls can slide into the grooves at different positions.

[0011] Preferably, one end of the spring is fixedly connected to one of the sliders, and the other end of the spring is fixedly connected to the other slider. By designing the spring, the acting force of the spring can act on the slider.

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

[0013] 1. Through the function of the designed conveyor belt, the plastic bottles can be conveyed. When the plastic bottles are conveyed past the CDD camera, the CDD camera can take pictures of the plastic bottles to realize the automatic visual inspection of the defects of the plastic bottles. Through the function of the motor, the output end of the motor can drive the screw rod to rotate, and the threaded movement of the bracket can be realized. The bracket can drive the CDD camera to move in the vertical direction, which is convenient to adjust the shooting height and has better applicability.

[0014] 2. By designing the guide wheels, when the plastic bottles are being conveyed on the conveyor belt, the pulleys can guide the movement of the plastic bottles, making the movement of the plastic bottles more precise, enabling the plastic bottles to be accurately photographed by the CDD camera, thereby improving the photographing and detection effect of the plastic bottles. Moreover, the position of the guide wheels can be adjusted, facilitating the guiding of plastic bottles of different sizes. Description of the Drawings

[0015] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 For the present utility model Figure 1 Partial structure three-dimensional cross-sectional view;

[0017] Figure 3 For the present utility model Figure 2 Enlarged view of part A;

[0018] Figure 4 For the present utility model Figure 1 Front view cross-sectional view of the fixed seat structure.

[0019] In the figure: 1, workbench; 2, conveyor belt; 3, fixed seat; 4, mounting frame; 5, handle; 6, guide wheel; 7, bracket; 8, adjusting mechanism; 9, rotating mechanism; 10, CDD camera; 81, fixed box; 82, motor; 83, screw; 84, guide rod; 85, limit block; 86, guide groove; 91, groove; 92, ball; 93, rotating seat; 94, slider; 95, spring; 96, rotating shaft. Detailed Implementation Manner

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 , Figure 2 , the automatic visual inspection device for plastic bottle defects, including a workbench 1, a conveyor belt 2 is arranged inside the workbench 1, fixed seats 3 are fixedly connected to both the front and rear ends of the workbench 1, a mounting frame 4 is rotatably connected to the top of the fixed seat 3, the mounting frame 4 is respectively rotatably connected to the conveyor belt 2 and the workbench 1, a handle 5 is fixedly connected to the top of the mounting frame 4, a guide wheel 6 is hinged inside the mounting frame 4, a bracket 7 is in contact with the top of the workbench 1, a CDD camera 10 is fixedly installed inside the bracket 7, an adjusting mechanism 8 is arranged on the bracket 7, and a rotating mechanism 9 is arranged on the mounting frame 4.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 As shown in FIGS.

[0023] Please refer to Figure 1 、 Figure 4 ,the adjusting mechanism 8 includes a fixed box 81. The bottom of the bracket 7 contacts the fixed box 81. The fixed box 81 is fixedly connected to the workbench 1. The bottom of the inner wall of the fixed box 81 is fixedly connected to a motor 82. The upper end of the output end of the motor 82 is fixedly connected to a screw rod 83. The screw rod 83 is rotatably connected to the fixed box 81 through a bearing. The screw rod 83 is threadedly connected to the bracket 7. The bottom of the bracket 7 is fixedly connected to a guide rod 84. The guide rod 84 is slidably connected to the fixed box 81. A guide groove 86 is formed inside the fixed box 81. The guide rod 84 is slidably connected to the inside of the guide groove 86. By designing the guide groove 86, the guide rod 84 can slide along the guide groove 86. The bottom of the guide rod 84 is fixedly connected to a limit block 85. By designing the adjusting mechanism 8, it is convenient to adjust the height of the CDD camera 10.

[0024] The specific implementation process of the present utility model is as follows: When in use, through the action of the conveyor belt 2, plastic bottles can be conveyed. When the plastic bottles are conveyed past the CDD camera 10, the CDD camera 10 can take pictures of the plastic bottles to achieve automatic visual inspection of the defects of the plastic bottles.

[0025] Under the action of the guide wheel 6, the movement of the plastic bottles can be guided, making the movement of the plastic bottles more accurate, so that the plastic bottles can accurately pass through the CDD camera 10 for taking pictures, thereby improving the shooting and detection effect of the plastic bottles.

[0026] When it is necessary to adjust the position of the guide wheel 6, turn the handle 5. The handle 5 drives the mounting bracket 4 to rotate. The mounting bracket 4 drives the rotating shaft 96 to rotate. The rotating shaft 96 drives the rotating seat 93 to rotate. The rotating seat 93 drives the ball 92 to rotate. The ball 92 slides along the arc surface of the groove 91. The ball 92 is squeezed and pushed by the arc surface of the groove 91 to move horizontally. The ball 92 drives the slider 94 to move horizontally. The slider 94 squeezes the spring 95, which can separate the ball 92 from the groove 91. Under the elastic action of the spring 95, the slider 94 is squeezed and pushed, so that the ball 92 can slide into the groove 91 at another position, thereby enabling the position of the guide wheel 6 to be adjusted, which is convenient for guiding plastic bottles of different sizes.

[0027] When it is necessary to adjust the use position of the CDD camera 10, start the motor 82. The output end of the motor 82 drives the screw rod 83 to rotate, causing the bracket 7 to move in a threaded manner. The bracket 7 drives the guide rod 84 and the limit block 85 to move vertically. The guide rod 84 slides along the fixed box 81, enabling the bracket 7 to drive the CDD camera 10 to move vertically, which is convenient for adjusting the shooting height and has better applicability.

[0028] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic visual inspection device for defects in plastic bottles, comprising a workbench (1), characterized in that: A conveyor belt (2) is arranged inside the workbench (1); a fixing seat (3) is fixedly connected to both the front and rear ends of the workbench (1); a mounting frame (4) is rotatably connected to the top of the fixing seat (3); the mounting frame (4) is rotatably connected to the conveyor belt (2) and the workbench (1), respectively; a handle (5) is fixedly connected to the top of the mounting frame (4); a guide wheel (6) is hingedly connected to the inside of the mounting frame (4); a bracket (7) contacts the top of the workbench (1); a CDD camera (10) is fixedly mounted on the inner side of the bracket (7); an adjustment mechanism (8) is arranged on the bracket (7); and a rotating mechanism (9) is arranged on the mounting frame (4).

2. The automatic visual inspection device for plastic bottle defects according to claim 1 is characterized by: The adjusting mechanism (8) comprises a fixed box (81), the bottom of the bracket (7) contacts the fixed box (81), the fixed box (81) is fixedly connected to the workbench (1), the bottom of the inner wall of the fixed box (81) is fixedly connected to a motor (82), the upper end of the output end of the motor (82) is fixedly connected to a screw rod (83), the screw rod (83) is rotatably connected to the fixed box (81) via a bearing, the screw rod (83) is threadedly connected to the bracket (7), the bottom of the bracket (7) is fixedly connected to a guide rod (84), the guide rod (84) is slidably connected to the fixed box (81), and the bottom of the guide rod (84) is fixedly connected to a limit block (85).

3. The automatic visual inspection device for plastic bottle defects according to claim 2 is characterized by: A guide groove (86) is provided inside the fixed box (81), and a guide rod (84) is slidably connected inside the guide groove (86).

4. The automatic visual inspection device for plastic bottle defects according to claim 1 is characterized by: The rotating mechanism (9) comprises a groove (91), the interior of the fixed seat (3) is provided with the groove (91), the interior of the groove (91) is movably sleeved with a ball (92), the outer side of the ball (92) is movably sleeved with a rotating seat (93), the rotating seat (93) is rotatably connected to the fixed seat (3), the interior of the rotating seat (93) is slidably sleeved with a slider (94), the slider (94) is movably connected to the ball (92), a spring (95) is arranged inside the rotating seat (93), a rotating shaft (96) is fixedly connected to the top of the rotating seat (93), the rotating shaft (96) is rotatably connected to the fixed seat (3) via a bearing, and the rotating shaft (96) is fixedly connected to the mounting frame (4).

5. The automatic visual inspection device for plastic bottle defects according to claim 4 is characterized by: The number of the grooves (91) is multiple, and the multiple grooves (91) are annular and continuously and evenly distributed inside the fixing seat (3).

6. The automatic visual inspection device for plastic bottle defects according to claim 4 is characterized by: One end of the spring (95) is fixedly connected to one of the sliders (94), and the other end of the spring (95) is fixedly connected to the other slider (94).

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