CN214638332U - Detection device for detecting defects on bottle cap - Google Patents
Detection device for detecting defects on bottle cap Download PDFInfo
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- CN214638332U CN214638332U CN202022477967.2U CN202022477967U CN214638332U CN 214638332 U CN214638332 U CN 214638332U CN 202022477967 U CN202022477967 U CN 202022477967U CN 214638332 U CN214638332 U CN 214638332U
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Abstract
The utility model provides a pair of a detection device for detecting defect on bottle lid, including the device main part, be equipped with the board that can open, can close in the device main part, the inside photographic module that can shoot to the bottle lid that is equipped with of device main part, the board can isolated external illumination right under the closed condition the influence of photographic module, the photographic module can carry out the bottle lid defect detection with its image transport that obtains after shooing in the computer with the algorithm of combining, the photographic module includes illumination unit and shooting unit. The bottle cap defect detection device detects the defects of the bottle cap by adopting an image recognition technology, the defects of the bottle cap comprise incomplete internal threads, or gaps on the cap edge and the like, and the bottle cap defect detection device has the advantages of high efficiency and high accuracy; the measuring device can be used for detecting whether the bottle cap is filled with the cap pad or not, and has extremely high accuracy; the camera module is located inside the device main part, under operating condition, can completely cut off external environment to image recognition's interference through the closure plate, promotes the rate of accuracy.
Description
Technical Field
The utility model relates to a bottle lid processing technology field especially relates to a defect detecting device of bottle lid.
Background
The plastic bottle cap is a common packaging form for packaging bottles, cans and barrels, and is particularly widely applied to the fields of beverages, chemical industry and medicines. The national marking and formulating department makes specific regulations on the detection problems of plastic bottle caps, such as bottle cap opening torque force, thermal stability, drop resistance, leakage and sealing performance and the like.
In the production process of bottle caps, defective bottle caps are often produced, and the defects of the bottle caps include incomplete internal threads, gaps on cap edges, or missing cap gaskets in the cap bodies, and the like. These defects affect the sealing properties of the closure and therefore require removal before the closure is put into use.
Disclosure of Invention
An object of the utility model is to provide a detection device for detecting defect on the bottle lid to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a technical scheme is a detection device for detecting defect on the bottle lid for detect the defect of bottle lid, the defect of bottle lid includes that the internal thread is incomplete, and the lid has the breach on following, or neglected loading lid pad in the lid. These defects affect the sealing properties of the closure and therefore require removal before the closure is put into use. Bottle lid defect detecting device is including the conveying module that is used for conveying the bottle lid and the photographic module that is used for shooing the bottle lid, photographic module generally locates the conveying module upper side position, photographic module can be right bottle lid on the conveying module is shot, and the image that obtains after shooing is carried the computer in, and the computer carries out image recognition and carries out the defect detection to the bottle lid according to the specific algorithm that designs.
Furthermore, in order to avoid the interference of environmental factors around the device to the image recognition, such as shadow, strong light and other factors, the interference to the image shot by the shooting module is avoided. A detection device for detecting defects on bottle caps further comprises a device body, wherein the device body is understood to be a shell, a bracket and an outer shell of the device, an installation space is provided for the whole device, the transmission module and the shooting module can be installed on the device body, and the device body also has the functions of: will the photographic module parcel is in the inside of device main part can give like this the photographic module provides a inclosed environment, and this inclosed environment can completely cut off external environment's influence, works as there is not the light source in the device main part, or when the light source did not light, this inclosed environment is dark.
Further, the photography module includes illumination unit and shooting unit, illumination unit can the inside of device main part provides stable light source, it is right that shooting unit is used for the bottle lid on the conveying module is shot, detects the bottle lid for can the omnidirectional, shooting unit is equipped with a plurality ofly, for example two, three, four … … technical staff pass through the test, and is three shooting unit has reached better detection effect, as preferred technical scheme, shooting unit is equipped with threely, three shooting unit centers on illumination unit arranges, shoots the direction orientation illumination unit position carries out the analysis of shooing to the bottle lid from the angle of each different angle. Furthermore, the three shooting units are arranged in a circumferential array by taking the illumination unit as a center, and an angle is formed between every two adjacent shooting units.
Further, when the conveying module drives the bottle cap to come to the position under the illumination unit, the shooting unit executes the photographing operation, and because this moment is three the distance between the shooting unit and the bottle cap is the same, therefore three the photos shot by the shooting unit are similar, so that one set of computer defect detection program can be used in the detection process. If the photos shot by the three shooting units are different in the detection process, technicians need to debug the parameters in the defect detection program corresponding to each photo, and the detection is complicated. How to judge whether the bottle lid reaches the position under the illumination unit has multiple modes, for example, by controlling the speed of conveying the bottle lid of the conveying module, controlling the distance between adjacent bottle lids on the conveying module to keep the same, and giving the shooting unit an instruction of taking pictures at intervals, the bottle lid can be just positioned at the position under the illumination unit when taking pictures each time. However, in this way, the parameters to be controlled are too many, inconvenient and not suitable, for example, after a short pause due to a fault occurs in the transmission module, a problem occurs in the picture taken by the shooting unit.
Furthermore, the illumination unit is annular and is an annular light source, the center of the illumination unit is also provided with the shooting unit, and the shooting unit shoots vertically downwards and is used for shooting a top view of the bottle cap. As an optimal technical scheme, the shooting unit at the central position of the illumination unit can also play a role in controlling all the shooting units to shoot, and when the shooting unit identifies that the bottle cap moves to the position at the lower side of the illumination unit, the transmission module is controlled to stop moving, and all the shooting units are controlled to shoot. As a preferred solution, it is also possible to identify whether the bottle cap is moved to a specified position by other shooting units, for example, three shooting units arranged around the illumination unit. As a preferable technical solution, when the shooting unit shoots, the transmission module may not stop the motion, but there is a possibility that the shooting picture is blurred.
Further, the illumination unit the shooting unit is arranged on a fixed plate, a sliding rail, a rotating disc, a support and a rotating plate are arranged on the lower end face of the fixed plate, the fixed plate is connected with the sliding rail, the sliding rail is connected with the rotating disc, the rotating disc is connected with the support, the support is connected with the rotating plate, the rotating plate is fixed with the shooting unit, the sliding rail is used for adjusting the distance in the horizontal direction, the rotating disc is used for adjusting the angle in the horizontal direction, the support is used for adjusting the distance in the vertical direction, the rotating plate is used for adjusting the angle in the vertical direction, the four structures provide sufficient adjusting capacity for the shooting unit, and technicians can realize accurate bottle cap defect detection by adjusting the position of the shooting unit and the parameters of a detection program.
Furthermore, the fixed plate is connected to the device main body through a support rod, and a placing space is arranged at the upper side of the fixed plate and can be used for placing a computer.
Furthermore, the transmission module is installed on the device main body, two ends of the transmission module penetrate through the device main body, two holes are reserved in the position, located on the transmission module, of the device main body, the two holes are mainly used for conveying a bottle cap to be detected and a bottle cap out of the detection outer wall to the device main body, external light parts may possibly leak into the device main body due to the arrangement of the two holes, the two holes are small as far as possible and only the transmission module and the bottle cap on the transmission module can be accommodated, and partial light leakage at the hole position cannot affect defect detection of the bottle cap. Preferably, the conveying module is a conveyor belt.
Further, a detection device for detecting defect on bottle lid still includes removing devices, removing devices can be right the defective bottle lid that detects out on the conveying module is rejected, removing devices is the sharp cylinder, and when the defective bottle lid was discerned to the computer, this sharp cylinder started, and striking bottle lid is followed the bottle lid falls on the conveying module. Furthermore, a hole is formed in the device body, a box used for collecting defective bottle caps is placed below the hole of the device body, and the bottle caps which are pushed down on the conveying module can fall into the box.
Further, a detection device for detecting defects on bottle lid also can include sorter, sorter can be to defective bottle lid, the bottle lid that does not have the defect on the conveying module carries out the classification. Specifically, the sorting device comprises a first channel, a second channel and a rotatable baffle, the baffle is controlled by a motor, the motor can control the baffle to rotate, the baffle has two working positions, when the baffle is positioned at the first working position, the baffle blocks the second channel, the first channel is opened, and the second channel is closed; when the baffle is in the second working position, the baffle blocks the position of the first channel, the first channel is closed, and the second channel is opened. By controlling the motor to work, the position of the baffle can be controlled, defective bottle caps can enter the first channel, and when the bottle caps without defects enter the second channel. Furthermore, collecting boxes are respectively placed at the lower sides of the first channel and the second channel, and bottle caps falling from the first channel and the second channel respectively enter different collecting boxes, so that the defective bottle caps and the non-defective bottle caps are separated. When the device is provided with the rejecting device, the sorting device can also be used for controlling the number of bottle caps in the collecting boxes, when the collecting box below one channel is filled up, the bottle caps are dropped in the other collecting box by controlling the movement of the baffle plate, and therefore the detection device does not need to stop working.
Further, the cap pad is generally arranged in the bottle cap, the sealing capacity of the bottle cap can be improved by the cap pad, the cap pad is sometimes subjected to neglected loading in production, the bottle cap is also considered to be defective, as a preferred technical scheme, the detection device for detecting the defects on the bottle cap further comprises a measurement device for measuring the thickness of the bottle cap on the transmission module, when the cap pad is subjected to neglected loading in the bottle cap, the thickness of the bottle cap measured by the measurement device is thinner, when the cap pad is arranged in the bottle cap, the thickness of the bottle cap measured by the measurement device is thicker, the judgment on whether the cap pad is subjected to neglected loading or not can be easily carried out through the numerical value, and the accuracy is extremely high. As a preferred technical scheme, the bottle cap detection can also adopt the image recognition mode, but the image recognition accuracy is not high in the process of directly measuring the thickness.
Furthermore, an openable plate is arranged on the device main body, the structure in the device main body can be maintained, debugged and the like by opening the plate, when the plate is closed, the inside of the device main body can basically isolate external illumination, and image recognition during defect detection cannot be influenced.
To sum up, the beneficial effects of the utility model are that:
the utility model discloses a detection device for detecting defect on bottle lid adopts image recognition technology to detect the defect of bottle lid, and the defect of bottle lid includes that the internal thread is incomplete, or the breach on the lid edge etc. has the advantage of high efficiency, high accuracy; the measuring device can be used for detecting whether the bottle cap is filled with the cap pad or not, and has extremely high accuracy; the camera module is positioned in the device main body, and can isolate the interference of an external (light) environment on image recognition through the closing plate in a working state, so that the accuracy is improved; the rejecting device and the classifying device can realize the separation of defective bottle caps and non-defective bottle caps.
Drawings
FIG. 1 is a schematic view of the device in one orientation when the panels are open;
FIG. 2 is a schematic view of the device in one orientation when the panel is closed;
FIG. 3 is a sectional view taken in the direction "A" of FIG. 2;
FIG. 4 is an enlarged view of the area "B" in FIG. 1;
FIG. 5 is a schematic view of the device in another orientation when the panel is closed;
figure 6 is a schematic view of the device in another orientation when the panels are open.
Detailed Description
Embodiments of the invention will be described in further detail with reference to the drawings, it being understood that the examples are illustrative only and should not be taken as limiting the invention, and that all of the features disclosed in the examples or all of the steps in any method or process disclosed herein can be combined in any way, except for mutually exclusive features and/or steps.
The embodiment provides a detection device for detecting defect on bottle lid for detect the defect of bottle lid, the defect of bottle lid includes that internal thread is incomplete, and there is the breach on the lid edge, or neglected loading lid pad in the lid. These defects affect the sealing properties of the closure and therefore require removal before the closure is put into use. Bottle lid defect detecting device is including the conveying module 10 that is used for conveying the bottle lid and the camera module 20 that is used for shooing the bottle lid, camera module 20 generally locates conveying module 10 upside position, camera module 20 can be right bottle lid on the conveying module 10 is shot, and the image that obtains after shooing is carried in the computer, and the computer carries out image recognition and carries out defect detection to the bottle lid according to the specific algorithm that designs.
In order to avoid the interference of environmental factors around the device, such as shadow, strong light, etc., to the image recognition, the interference to the image captured by the camera module 20 is avoided. A detection device for detecting defects on bottle caps further comprises a device body 30, wherein the device body 30 is understood as a shell, a bracket and an outer shell of the device, an installation space is provided for the whole device, the transmission module 10 and the camera module 20 can be installed on the device body 10, and the device body 30 also has the functions of: the camera module 20 is wrapped inside the device main body 10, so that a closed environment can be provided for the camera module 20, the closed environment can isolate the influence of the external environment, and when no light source exists inside the device main body 10 or the light source is not lightened, the closed environment is dark.
Preferably, when the transmission module 10 drives the bottle cap to come to the position right under the illumination unit 21, the shooting unit 22 performs the shooting operation, and since the distances between the three shooting units 22 and the bottle cap are the same, the three pictures shot by the shooting unit 22 are similar, so that a set of computer defect detection program can be used in the detection process. If the photos taken by the three shooting units 22 are different in the detection process, the technician needs to debug the parameters in the defect detection program corresponding to each photo, which is cumbersome. How to judge whether the bottle caps reach the positions under the illumination unit 21 or not, there are various ways, for example, by controlling the speed of transporting the bottle caps by the transport module 10, controlling the distance between the adjacent bottle caps on the transport module 10 to be the same, and giving the photographing unit 22 an instruction of photographing at intervals, it can be realized that the bottle caps are exactly positioned at the positions under the illumination unit 21 each time of photographing. However, this method requires too many parameters to be controlled, is inconvenient and not suitable, for example, after a short pause of the transmission module 10 due to a fault, it may cause a problem in the pictures taken by the shooting unit 22.
Preferably, the illumination unit 21 is annular and is an annular light source, the central position of the illumination unit 21 is also provided with the shooting unit 22, and the shooting unit 22 shoots vertically downwards and is used for shooting a top view of the bottle cap. In this embodiment, the shooting unit 22 at the central position of the illumination unit 21 can also control all the shooting units 22 to take a picture, and when the shooting unit 22 recognizes that the bottle cap moves to the lower side position of the illumination unit 21, the transmission module 10 is controlled to stop moving, and all the shooting units 22 are controlled to take a picture. In some other embodiments, it can be identified by other shooting units 22, such as three shooting units 22 arranged around the illumination unit 21, whether the bottle cap is moved to a specified position. In some other embodiments, the transmission module 10 may not stop moving when the shooting unit 22 shoots, but there is a possibility that the shot picture is blurred.
Preferably, the illumination unit 21 and the shooting unit 22 are disposed on a fixed plate 23, a slide rail 24, a rotating disc 25, a bracket 26 and a rotating plate 27 are disposed on the lower end surface of the fixed plate 23, the fixed plate 23 is connected with the slide rail 24, the slide rail 24 is connected with the rotating disc 25, the rotating disc 25 is connected with the bracket 26, the bracket 26 is connected with the rotating plate 27, the rotating plate fixes the shooting unit 22, wherein the slide rail 24 is used for adjusting the distance in the horizontal direction, the rotating disc 25 is used for adjusting the angle in the horizontal direction, the bracket 26 is used for adjustment of the distance in the vertical direction, the rotating plate 27 is used for angle adjustment in the vertical direction, the four structures give the shooting unit 22 sufficient adjusting capacity, and technicians can realize very accurate bottle cap defect detection by adjusting the position of the shooting unit 22 and parameters of a detection program.
Preferably, the fixing plate 23 is connected to the device body 30 by a support rod 28, and a space is provided at an upper side of the fixing plate 23 for placing a computer.
Preferably, the transmission module 10 is installed on the device body 30, two ends of the transmission module 10 penetrate through the device body 30, for example, as shown in fig. 1, two holes are left in the device body 30 at the position of the transmission module 10, the two holes are mainly used for transporting a bottle cap to be detected into the device body 30 and transporting the bottle cap out of the detection outer wall, and the two holes may allow external light to partially leak into the device body 30, so that the two holes should be set as small as possible as long as the transmission module 10 and the bottle cap thereon can be accommodated, and the partial light leakage at the hole position does not affect the defect detection of the bottle cap. In this embodiment, the transmission module 10 is a transmission belt.
Preferably, the detecting device for detecting defects on bottle caps further comprises a removing device 40, the removing device 40 can remove the defective bottle caps detected on the conveying module 10, for example, in fig. 1 and fig. 3, the removing device 40 is a linear cylinder, and when a computer identifies a defective bottle cap, the linear cylinder is started to strike the bottle cap, so that the bottle cap is ejected from the conveying module 10. Further, a hole is formed in the device body 30, a box for collecting defective bottle caps is placed below the hole of the device body 30, and the bottle caps dropped on the conveying module 10 fall into the box.
Preferably, a device for detecting defects on caps may also include a sorting device 50, where the sorting device 50 is capable of sorting caps that are defective and caps that are not defective on the transfer module 10. Specifically, the sorting device 50 comprises a first channel 51, a second channel 52 and a rotatable baffle 53, the baffle 53 is controlled by a motor 54, the motor 54 can control the baffle 53 to rotate, the baffle 53 has two working positions, when the baffle 53 is in the first working position, the baffle 53 blocks the second channel 52, the first channel 51 is opened, and the second channel 52 is closed; when the baffle 53 is in the second working position, the baffle 53 blocks the position of the first channel 51, the first channel 51 is closed, and the second channel 52 is opened. By controlling the operation of the motor 54, the position of the shutter 53 can be controlled to allow defective caps to enter the first passage 51, while non-defective caps enter the second passage 52. Furthermore, collecting boxes are respectively arranged at the lower sides of the first channel 51 and the second channel 52, and the bottle caps falling from the first channel 51 and the second channel 52 respectively enter different collecting boxes, so that the defective bottle caps and the non-defective bottle caps are separated. The sorting device 50 can also be used to control the number of caps in the collection box when the device has the rejecting device 40, and when the collection box below one channel is nearly full, the caps are dropped into another collection box by controlling the movement of the shutter 53, so that the detecting device does not need to be stopped.
The bottle cap is internally provided with the cap gasket generally, the cap gasket can improve the sealing capacity of the bottle cap, in production, the condition that the cap gasket is not filled can be sometimes caused, such bottle cap is also considered to be defective, preferably, the detection device for detecting the defect on the bottle cap further comprises a measurement device 60 for measuring the thickness of the bottle cap on the transmission module 10, when the cap gasket is not filled in the bottle cap, the thickness of the bottle cap measured by the measurement device 60 is thinner, when the cap gasket is filled in the bottle cap, the thickness of the bottle cap measured by the measurement device 60 is thicker, the judgment of whether the cap gasket is filled in the bottle cap or not is easy to be carried out through the comparison of the numerical value, and the accuracy is extremely high. In some other embodiments, the bottle cap can be detected by image recognition, but the accuracy of image recognition is not high enough to directly measure the thickness.
Preferably, an openable plate 61 is provided on the device main body 30, the structure inside the device main body 30 can be maintained, debugged, and the like by opening the plate 61, and when the plate 61 is closed, the inside of the device main body 30 can be basically isolated from external illumination, and image recognition during defect detection is not affected.
The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The detection device for detecting the defects on the bottle caps is characterized by comprising a device body, wherein an openable and closable plate is arranged on the device body, a photographing module capable of photographing the bottle caps is arranged in the device body, the plate can isolate the influence of external illumination on the photographing module in a closed state, and the photographing module can convey images obtained after photographing to a computer to carry out bottle cap defect detection by combining an algorithm.
2. The detecting device for detecting the defects on the bottle caps as claimed in claim 1, wherein the camera module comprises an illumination unit and a shooting unit.
3. The detecting device for detecting the defects on the bottle caps as claimed in claim 2, wherein the illuminating unit is annular.
4. The apparatus of claim 1, further comprising a transport module for transporting the cap, wherein the transport module is located under the camera module.
5. The detecting device for detecting defects on bottle caps as claimed in claim 4, wherein the transmission module is located in the device body, two ends of the transmission module penetrate through the device body, and two holes are formed in the device body at the position where the transmission module penetrates, and are used for conveying a bottle cap to be detected into the device body and conveying a detected bottle cap out of the device body.
6. The detecting device for detecting the defects on the bottle caps as claimed in claim 2, wherein the number of the shooting units is four, three of the shooting units are arranged in a circumferential array around the illuminating unit, 120 degrees are formed between two adjacent shooting units, and one shooting unit is located at the center of the illuminating unit.
7. The detecting device for detecting the defects on the bottle caps as claimed in claim 4, wherein the photographing module comprises an illuminating unit and a photographing unit, and when the conveying module drives the bottle caps to move to the positions right under the illuminating unit, the photographing unit performs photographing operation.
8. The detecting device for detecting defects on bottle caps as claimed in claim 6, wherein the shooting unit at the center of the illumination unit shoots downwards for shooting the top view of the bottle caps, the shooting unit at the center of the illumination unit also has a function of controlling all the shooting units to shoot, and when the shooting unit at the center of the illumination unit recognizes that the bottle caps move to the positions at the lower sides of the illumination unit, the shooting unit controls all the shooting units to shoot.
9. A detecting device for detecting defects on bottle caps according to claim 2, the illumination unit and the shooting unit are arranged on the fixed plate, the lower end face of the fixed plate is provided with a slide rail, a rotating disc, a bracket and a rotating plate, the fixed plate is connected with the slide rail, the slide rail is connected with the rotating disc, the rotating disc is connected with the bracket, the bracket is connected with the rotating plate, the rotating plate fixes the shooting unit, wherein the slide rail is used for adjusting the distance in the horizontal direction, the rotating disc is used for adjusting the angle in the horizontal direction, the bracket is used for adjusting the distance in the vertical direction, the rotating plate is used for adjusting the angle in the vertical direction, the fixed plate is connected with the device main body through the supporting rod, and a placing space is arranged at the upper side position of the fixed plate and can be used for placing a computer.
10. The detection device for detecting the defects on the bottle caps as claimed in claim 4, further comprising a removing device, wherein the removing device can remove the defective bottle caps detected on the conveying module, the removing device is a linear cylinder, when the defective bottle caps are detected, the linear cylinder is started to strike the bottle caps and eject the bottle caps from the conveying module, a hole is formed in the device body, a box used for collecting the defective bottle caps is placed below the hole of the device body, the bottle caps ejected on the conveying module can fall into the box, and the detection device further comprises a measuring device used for measuring the thickness of the bottle caps on the conveying module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477967.2U CN214638332U (en) | 2020-10-30 | 2020-10-30 | Detection device for detecting defects on bottle cap |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022477967.2U CN214638332U (en) | 2020-10-30 | 2020-10-30 | Detection device for detecting defects on bottle cap |
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| CN214638332U true CN214638332U (en) | 2021-11-09 |
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| CN202022477967.2U Active CN214638332U (en) | 2020-10-30 | 2020-10-30 | Detection device for detecting defects on bottle cap |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833090A (en) * | 2022-04-14 | 2022-08-02 | 合肥诚越电子科技有限公司 | Capacitor production line and defective product stripping method thereof |
| CN116037487A (en) * | 2023-03-27 | 2023-05-02 | 山东中锐产业发展股份有限公司 | Thickness detection equipment is used in processing of plastics bottle lid |
| CN116984267A (en) * | 2023-09-27 | 2023-11-03 | 江苏科瑞塑业有限公司 | Sorting equipment for processing PET plastic bottle caps |
-
2020
- 2020-10-30 CN CN202022477967.2U patent/CN214638332U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833090A (en) * | 2022-04-14 | 2022-08-02 | 合肥诚越电子科技有限公司 | Capacitor production line and defective product stripping method thereof |
| CN116037487A (en) * | 2023-03-27 | 2023-05-02 | 山东中锐产业发展股份有限公司 | Thickness detection equipment is used in processing of plastics bottle lid |
| CN116984267A (en) * | 2023-09-27 | 2023-11-03 | 江苏科瑞塑业有限公司 | Sorting equipment for processing PET plastic bottle caps |
| CN116984267B (en) * | 2023-09-27 | 2023-12-15 | 江苏科瑞塑业有限公司 | Sorting equipment for processing PET plastic bottle caps |
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