Bottle bottom foreign matter detection device

Abstract

A bottle bottom foreign matter detection device belongs to the technical field of visual detection. Comprising a conveying channel, a camera, a top light source and a side light source, the two belt conveyors are oppositely arranged, the camera is arranged on the lower side of the conveying channel, the top light source is arranged on the upper side of the conveying channel, the side light source is arranged on at least one side of the conveying channel, and the side light source is arranged between the camera and the top light source; the clamping conveying mechanisms are arranged on the two sides of the conveying channel respectively, the clamping conveying mechanisms clamp a detected container in the conveying channel to convey the detected container, the side light sources are arranged on the sides, away from the conveying channel, of the clamping conveying mechanisms, and light transmitting parts corresponding to the side light sources are arranged on the clamping conveying mechanisms. The lateral light source is arranged on the lateral portion of the conveying channel, light of the lateral light source irradiates the lateral portion of the container to be detected through the light transmitting portion and is matched with the top light source, light at the bottom of the container is sufficient, a camera can obtain clear images of the bottom of the container, and detection results are more accurate.

Description

TECHNICAL FIELD

[0001] The bottle bottom foreign matter detection device belongs to the technical field of visual detection. BACKGROUND

[0002] The transparent or translucent filling container, if there is foreign matter, will precipitate at the bottle bottom after filling, so in order to detect the product, visual detection needs to be performed on whether there is foreign matter at the bottle bottom.

[0003] In the detection process, in order to make the image clear, a light source needs to be arranged around the bottle body, and currently there are mainly two detection methods, the first method is side shooting, such as the container foreign matter visual detection method disclosed in CN113433138A, a light source is arranged at the bottle bottom, and a camera is arranged at the side of the bottle body, although the light at the bottom is sufficient in this method, the light at the bottom of the container is uneven, some foreign matters cannot be shot, or because the light at the bottom of the container is uneven, the development difficulty of the detection algorithm is large, side shooting is prone to miss detection and false detection, and when multiple containers are detected and processed into an integrated structure, it is difficult to detect all the containers, the second method is bottom shooting, such as the detection device for bottom foreign matter in a filling container disclosed in CN212364125U, light sources are arranged at the side and top of the bottle body respectively, but since the container needs to be transported, the light source arranged at the side of the bottle body can only be inclined, and the structure of the transported container will affect the side light source, and even a shadow will be generated, and the detection effect is still not ideal. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, provide a bottle bottom foreign matter detection device which can ensure sufficient light at the bottle bottom and more accurate detection results.

[0005] The utility model adopts the technical scheme that the bottle bottom foreign matter detection device comprises a conveying channel, a camera, a top light source and a side light source, two conveying belt machines are oppositely arranged, the camera is arranged on the lower side of the conveying channel, the top light source is arranged on the upper side of the conveying channel, the side is arranged on at least one side of the conveying channel, and the side light source is arranged between the camera and the top light source.

[0006] Both sides of the conveying channel are respectively provided with clamping conveying mechanisms, the clamping conveying mechanisms clamp the measured containers in the conveying channel for conveying, the side light source is arranged on the side away from the conveying channel of the clamping conveying mechanism, and the clamping conveying mechanism is provided with a light-transmitting portion corresponding to the side light source.

[0007] Preferably, both sides of the conveying channel are provided with side light sources, and the side light sources on both sides of the conveying channel are oppositely arranged.

[0008] Preferably, the top light source is closely arranged on the upper side of the conveying channel.

[0009] Preferably, the clamping conveying mechanism is a conveying belt machine, the light-transmitting part is arranged on the belt of the conveying belt machine, and the light-transmitting part is made of flexible material.

[0010] Preferably, the belt is provided with a light-transmitting groove, the light-transmitting part is a light-transmitting belt arranged at the light-transmitting groove, and the side light source is arranged on the inner side of the conveying belt machine.

[0011] Preferably, the belt of the conveying belt machine is provided with a plurality of light-transmitting belts arranged at intervals.

[0012] Preferably, the belt of the conveying belt machine is made of light-transmitting material to form the light-transmitting part.

[0013] Preferably, the clamping conveying mechanism comprises a clamping plate, a clamping power assembly and a conveying power assembly, the clamping power assembly is used to push the clamping plate to reciprocate in a direction perpendicular to the conveying channel, the conveying power assembly is used to push the clamping plate to reciprocate in a length direction of the conveying channel, and the light-transmitting part is arranged on the clamping plate.

[0014] Compared with the prior art, the bottle bottom foreign matter detection device has the beneficial effects that:

[0015] The side light source is arranged on the side of the conveying channel, the light of the side light source is irradiated on the side of the measured container through the light-transmitting part, and the side light source cooperates with the top light source to make the light of the bottom of the container sufficient, so that the camera can obtain a clear bottom image of the container, and the detection result is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the bottle bottom foreign matter detection device in embodiment 1.

[0017] Figure 2 It is a top view of the bottle bottom foreign matter detection device in embodiment 1.

[0018] Figure 3 It is a structural schematic view of the conveying belt machine in embodiment 1.

[0019] Figure 4 It is a structural schematic view of the internal structure of the conveying belt machine in embodiment 1.

[0020] Figure 5 It is a bottom image of the medicine bottle obtained by the camera.

[0021] Figure 6 It is a top view of the bottle bottom foreign matter detection device in embodiment 2.

[0022] Figure 7 It is a rear view of the clamping conveying mechanism in embodiment 2.

[0023] Wherein: 1, conveying channel 2, medicine bottle 3, conveying belt machine 4, top light source 5, camera 6, side light source 7, clamping plate 8, workbench 9, electric cylinder 10, clamping cylinder 11, connecting seat 301, belt 302, light transmission belt 701, transparent plate. DETAILED DESCRIPTION

[0024] Figures 1-5 It is the best embodiment of the bottle bottom foreign matter detection device, and the following will be described in detail with reference to the accompanying drawings. Figures 1-7 The utility model further illustrates.

[0025] Embodiment 1

[0026] Referring to Figures 1-2 The bottle bottom foreign matter detection device comprises a conveying channel 1, a camera 5, a top light source 4 and a side light source 6, two conveying belt machines 3 are oppositely arranged, and conveying mechanisms are arranged on the two sides of the conveying channel 1; the conveying mechanisms clamp the containers to be measured in the conveying channel 1 for conveying; the camera 5 is arranged on the lower side of the conveying channel 1; the top light source 4 is arranged on the upper side of the conveying channel 1; the side light source 6 is arranged between the camera 5 and the top light source 4; the two sides of the conveying channel 1 are each provided with a side light source 6; the conveying mechanism is provided with a light transmission part corresponding to the side light source 6; and the side light sources 6 on the two sides of the conveying channel 1 are oppositely arranged.

[0027] The side light source 6 is arranged on the side of the conveying mechanism away from the conveying channel 1; the light of the side light source 6 is irradiated on the container after passing through the light transmission part; and the container bottom is illuminated in cooperation with the top light source 4, so that the camera 5 can obtain a clear image. In addition, the top light source 4 is closely arranged on the upper side of the conveying channel 1, so that the top light source 4 is as close to the container as possible, and the light is fully utilized.

[0028] Referring to Figures 3-4 In the embodiment, the conveying mechanism is a conveying belt machine 3, and the light transmission part is arranged on the belt 301 of the conveying belt machine 3; and the light transmission part is made of flexible material.

[0029] The light transmission groove is arranged on the belt 301 of the conveying belt machine 3, the light transmission belt 302 is arranged in the light transmission groove, and the side light source 6 is arranged on the inner side of the conveying belt machine 3. The light transmission belt 302 can be made of transparent nitrile rubber and is fixed in the light transmission groove of the belt 301 by means of adhesion or by means of fusion, sewing or the like.

[0030] Preferably, a plurality of light transmission belts 302 are arranged on the belt 301 of the conveying belt machine 3.

[0031] Working process: taking the medicine bottle 2 as an example, a row of medicine bottles 2 is sent to between two conveying belt machines 3, and the timing of feeding the medicine bottles 2 is adjusted according to the position of the light transmission belt, so that the medicine bottles 2 are located between the two light transmission belts 302, so that when the light transmission belt 302 clamps the medicine bottle 2 to reach above the camera 5, the top light source 4 and the side light source 6 irradiate the medicine bottle 2, see Figure 5 , the camera 5 shoots the bottom image of the medicine bottle 2 to obtain a clear bottom image, and then performs image recognition to finally judge whether the medicine bottle 2 contains foreign matter.

[0032] In other embodiments, the entire belt 301 of the conveying belt machine 3 can also be selected to be a light transmission material rubber belt to form a light transmission part, which is not affected by the position of the light transmission belt 302, and the feeding is more convenient.

[0033] Through experiments, when the light source intensity is sufficient, only the side light source 6 is arranged on one side of the conveying channel 1, which can also shoot a clear image of the bottom of the medicine bottle 2 in cooperation with the top light source 4.

[0034] Embodiment 2

[0035] See Figures 6-7 , the clamping and conveying mechanism in this embodiment includes a clamping plate 7, a clamping power assembly and a conveying power assembly, the clamping power assembly is used to drive the clamping plate 7 to reciprocate in a direction perpendicular to the conveying channel 1, and the conveying power assembly is used to drive the clamping plate 7 to reciprocate along the length direction of the conveying channel 1.

[0036] The clamping plate 7 is movably arranged on the workbench 8 and is driven by the clamping power assembly and the conveying power assembly to move on the horizontal plane. The light transmission part is a transparent plate 701 arranged in the middle of the clamping plate 7, and the transparent plate 701 can be selected to be a glass or acrylic plate. Both glass and acrylic plates can be used when detecting the medicine bottle 2 made of plastic, and the acrylic plate is preferably used when detecting the medicine bottle 2 made of glass.

[0037] Specifically, the clamping power assembly includes two clamping cylinders 10, the two clamping cylinders 10 are arranged at two ends of the clamping plate 7 respectively, the two clamping cylinders 10 are fixedly connected through a connecting seat 11, the conveying power assembly is an electric cylinder 9, the electric cylinder 9 is arranged on the lower side of the two clamping cylinders 10, the electric cylinder 9 is fixedly connected with the workbench 8, and the output shaft of the electric cylinder 9 is connected with the connecting seat 11.

[0038] Working process: the clamping cylinder 10 drives the two clamping plates 7 to approach each other to clamp the medicine bottle 2, and the medicine bottle 2 is located at the light transmission part of the clamping plate 7, then the electric cylinder 9 drives the medicine bottle 2 to convey, and stops when conveying to between the top light source 4 and the camera 5, the camera 5 takes a photo, then the electric cylinder 9 drives the clamping plate 7 to continue conveying the medicine bottle 2 to the next position, and the detection of the batch of medicine bottles 2 is realized by reciprocating.

[0039] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A bottle bottom foreign object detection apparatus, characterized by: The device comprises a conveying channel (1), a camera (5), a top light source (4) and a side light source (6), two conveying belt machines (3) are oppositely arranged, the camera (5) is arranged on the lower side of the conveying channel (1), the top light source (4) is arranged on the upper side of the conveying channel (1), the side light source (6) is arranged between the camera (5) and the top light source (4), and the side light source (6) is arranged on at least one side of the conveying channel (1). The conveying channel (1) is provided with a clamping conveying mechanism on each side, the clamping conveying mechanism clamps and conveys the measured container in the conveying channel (1), the side light source (6) is arranged on the side away from the conveying channel (1) of the clamping conveying mechanism, and the clamping conveying mechanism is provided with a light-transmitting part corresponding to the side light source (6).

2. The bottle bottom foreign object detection apparatus of claim 1, wherein: The conveying channel (1) is provided with a side light source (6) on each side, and the side light sources (6) on the two sides of the conveying channel (1) are oppositely arranged.

3. The bottle bottom foreign object detection apparatus of claim 1, wherein: The top light source (4) is closely arranged on the upper side of the conveying channel (1).

4. The bottle bottom foreign object detection apparatus of claim 1, wherein: The clamping conveying mechanism is a conveying belt machine (3), the light-transmitting part is arranged on the belt (301) of the conveying belt machine (3), and the light-transmitting part is made of flexible material.

5. The bottle end foreign object detection apparatus of claim 4, wherein: The belt (301) is provided with a light-transmitting groove, the light-transmitting part is a light-transmitting belt (302) arranged in the light-transmitting groove, and the side light source (6) is arranged on the inner side of the conveying belt machine (3).

6. The bottle end foreign object detection apparatus of claim 5, wherein: The belt (301) of the conveying belt machine (3) is provided with a plurality of light-transmitting belts (302) arranged at intervals.

7. The foreign object detection apparatus of claim 4, wherein: The belt (301) of the conveying belt machine (3) is made of light-transmitting material to form the light-transmitting part.

8. The bottle end foreign object detection apparatus of claim 1, wherein: The clamping conveying mechanism comprises a clamping plate (7), a clamping power assembly and a conveying power assembly, the clamping power assembly is used for driving the clamping plate (7) to reciprocate in a direction perpendicular to the conveying channel (1), the conveying power assembly is used for driving the clamping plate (7) to reciprocate in the length direction of the conveying channel (1), and the light-transmitting part is arranged on the clamping plate (7).

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