Multi-column decanting machine and method for detecting a leaky bag

Abstract

The application discloses a multi-column dispensing machine device and a bag leakage detection method, and relates to the technical field of multi-column dispensing machines for dispensing solid particles or powders. The multi-column dispensing machine device comprises a multi-column dispensing machine body, a first conveying mechanism provided with a plurality of first conveying channels, a first camera module for collecting image information of the packaging bags output from the multi-column dispensing machine body, a first air blowing device provided with a plurality of first air blowing ports, each of the first air blowing ports is arranged above a column of the first conveying channels, when a plurality of the packaging bags in each row move to be directly below the corresponding first air blowing port and stop, the first air blowing port blows air to the packaging bags once, and the shape of the first air blowing port is consistent with the shape of the packaging bags, and a second camera module for collecting image information of the packaging bags blown by the first air blowing port.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of multi-column dispensing machine for solid particles or powder dispensing, in particular to a multi-column dispensing machine device and a bag leakage detection method. BACKGROUND

[0002] In the existing solid particle or powder dispensing production of the pharmaceutical industry, a multi-column dispensing machine is generally used to greatly improve the product dispensing efficiency. The material heated and extruded and sealed by the multi-column dispensing machine is generally an aluminum-plastic composite film. According to the difference in the material ratio of the composite film, the heating temperature and the extrusion pressure are different. The composite film with high aluminum content has good ductility, and the difference in heating temperature and extrusion pressure is relatively low. In a relatively large range, the heating temperature and the extrusion pressure can be floated, and the sealing effect of the composite film can be ensured.

[0003] However, for the composite film with less aluminum content, the sealing is not tight, or the upper part of the composite film bag appears cracks or cracks after sealing. Therefore, it is necessary to monitor the leakage of the bag during the dispensing process of the multi-column dispensing machine, and adjust the operation of the multi-column dispensing machine according to the leakage of the bag to reduce the waste rate caused by the leakage of the bag. However, the existing leakage monitoring method has the technical problems of low detection efficiency and inaccurate detection. SUMMARY

[0004] (I) Invention purpose

[0005] The purpose of the present application is to provide a cooling device for a multi-column dispensing machine and a multi-column dispensing machine to solve the above technical problems.

[0006] (II) Technical solution

[0007] To solve the above problems, the present application provides a multi-column dispensing machine device, comprising:

[0008] A multi-column dispensing machine body seals materials in a plurality of packaging bags, and divides the packaging bags in the multi-column into multiple rows and transports them row by row outward;

[0009] A first conveying mechanism is provided with a plurality of first conveying channels, and a plurality of first baffles are arranged between the first conveying channels to separate them. The first conveying channels one by one convey the packaging bags, and the packaging bags are laid on the first conveying channels;

[0010] A first camera module is arranged on the first conveying mechanism, and the first camera module is used to collect image information of the packaging bags output from the multi-column dispensing machine body;

[0011] The first blowing device is provided with a plurality of first blowing ports, each of which is arranged above a row of the first conveying channels. When each row of the plurality of the packaging bags moves to be directly below a corresponding one of the first blowing ports and stops, the first blowing port blows air once to the packaging bag. The shape of the first blowing port is consistent with that of the packaging bag.

[0012] The second camera module is arranged on the first conveying mechanism and is used to collect image information of the packaging bag blown by the first blowing port.

[0013] The image information of the packaging bag at least includes a sealing depth image and a sealing texture image of the packaging bag.

[0014] Optionally, the multi-row sub-packaging machine device further comprises a second conveying mechanism, a switching mechanism, a controller, a second blowing device and a third camera module.

[0015] The second conveying mechanism is provided with a plurality of second conveying channels, and the plurality of second conveying channels are separated by a plurality of second baffles. The second conveying mechanism is arranged adjacent to the first conveying mechanism.

[0016] The switching mechanism connects the first conveying mechanism and the second conveying mechanism. The switching mechanism is used to convey the packaging bags in the plurality of the first conveying channels one by one into the plurality of the second conveying channels. The packaging bags are laid flat on the second conveying channels.

[0017] The second blowing device is provided with a plurality of second blowing ports, each of which is arranged above a row of the second conveying channels. When each row of the plurality of the packaging bags moves to be directly below a corresponding one of the second blowing ports and stops, the second blowing port blows air once to the packaging bag. The shape of the second blowing port is consistent with that of the packaging bag.

[0018] The third camera module is arranged on the second conveying mechanism and is used to collect image information of the packaging bag blown by the second blowing port.

[0019] The first camera module, the second camera module, the third camera module, the switching mechanism, the first blowing device, the second blowing device, the first conveying mechanism and the second conveying mechanism are respectively connected with the controller. The image information of the packaging bag blown by the second blowing port contains the number of any one of the packaging bags in the plurality of the second conveying channels.

[0020] Optionally, the multi-row sub-packaging machine device further comprises:

[0021] a third blowing device, provided with a plurality of third blowing ports, each of the third blowing ports is arranged above a row of the first conveying channels, when a plurality of the packaging bags in each row move to be directly below the corresponding third blowing port and stop, the third blowing port blows wind to the packaging bags once, and the shape of the third blowing port is consistent with the shape of the packaging bags; and

[0022] a fourth camera module, arranged on the first conveying mechanism, the fourth camera module is used to collect image information of the packaging bags blown by the third blowing port;

[0023] wherein, the first camera module, the first blowing device, the second camera module, the third blowing device, the fourth camera module are arranged in sequence along the conveying direction of the first conveying channel.

[0024] Optionally, the multi-column dispensing machine device further comprises an infrared camera, the infrared camera is used to collect the temperature of the packaging bags output from the multi-column dispensing machine body, and the infrared camera is connected with the controller.

[0025] Optionally, the multi-column dispensing machine body is provided with a fourth blowing device and a plurality of sealing mechanisms, the sealing mechanisms are used to seal materials in the packaging bags, the packaging bags are aluminum-plastic composite film packaging bags,

[0026] the fourth blowing device is provided with a plurality of fourth blowing ports, each of the fourth blowing ports is arranged towards one of the sealing mechanisms, a control valve is arranged at each of the fourth blowing ports, the control valve is connected with the controller, and the control valve is used to adjust the amount of wind blown to the sealing mechanism.

[0027] Optionally, the plurality of sealing mechanisms are respectively connected with the controller.

[0028] In addition, the present application also provides a bag missing detection method for a multi-column dispensing machine device, the multi-column dispensing machine device is the multi-column dispensing machine device in any one of claims 1 to 6, and the bag missing detection method comprises the following steps:

[0029] transporting a plurality of packaging bags on the first conveying mechanism in a flat manner;

[0030] collecting image information of the packaging bags in a flat manner by using a first camera module;

[0031] blowing wind to the surface of the packaging bags for the first time by using a first blowing device;

[0032] collecting image information of the packaging bags after the first blowing by using a second camera module;

[0033] Detect whether the packaging bag leaks based on the sealing depth image and the sealing texture image of the packaging bag before and after the first time of blowing.

[0034] Optionally, the multi-column sub-packaging machine device further comprises a second conveying mechanism, a switching mechanism, a second blowing device and a third camera module.

[0035] The multi-column sub-packaging machine body is provided with a fourth blowing device and a plurality of sealing mechanisms, the sealing mechanisms being used for sealing materials in the packaging bags, the packaging bags being aluminum-plastic composite film packaging bags,

[0036] The fourth blowing device is provided with a plurality of fourth blowing ports, each of the fourth blowing ports being arranged towards one of the sealing mechanisms, and each of the fourth blowing ports is provided with a control valve connected with the controller, the control valve being used for adjusting the air volume blowing towards the sealing mechanism.

[0037] The step of laying a plurality of packaging bags on the first conveying mechanism comprises:

[0038] The plurality of packaging bags are divided into a plurality of rows and conveyed along the first conveying mechanism row by row.

[0039] The step of detecting whether the packaging bag leaks based on the sealing depth image and the sealing texture image of the packaging bag before and after the first time of blowing comprises:

[0040] The step of detecting whether the packaging bag leaks row by row comprises:

[0041] The step of conveying the packaging bag row containing the leakage to the second conveying mechanism by the switching mechanism comprises:

[0042] The step of blowing the surface of the packaging bag for the second time by the second blowing device comprises:

[0043] The step of collecting the image information of the packaging bag after the second time of blowing by the third camera module comprises:

[0044] The step of detecting whether the packaging bag leaks based on the sealing depth image and the sealing texture image of the packaging bag before and after the second time of blowing comprises:

[0045] If the packaging bag leaks, the number of the leakage and the position column of the leakage are recorded.

[0046] If the number of the leakage is less than a set number, the opening degree of the corresponding control valve of the fourth blowing device is adjusted based on the position column of the leakage and the temperature of the position column detected by the infrared camera.

[0047] (Three) beneficial effects

[0048] The above technical scheme of the present application has the following beneficial technical effects:

[0049] When in use, after the multiple rows of packaging bags are separated into multiple rows and are conveyed row by row to the first conveying mechanism by the multiple-row packaging bag separator body, the first camera module is used to take pictures of the packaging bags before the packaging bags are blown by the first blowing device, so as to collect image information. Then the first blowing device is used to blow the packaging bags once, and the wind force generated at the moment of blowing is used to realize the extrusion of the surface of the packaging bag. Since the shape of the first blowing port is consistent with the shape of the packaging bag, and the packaging bag is laid in the first conveying channel, it is ensured that the wind force blown out of the surface of the packaging bag is as uniform as possible, so as to prevent the wind force blown out of the local position of the packaging bag from being too large, which affects the difference between the image information collected by the second camera module and the image information collected by the first camera module, and affects the comparison result. More importantly, since these packaging bags are just sealed and conveyed out of the multiple-row packaging bag separator, the stability of the sealing is poor. If the wind force at the local position of the packaging bag is too large, the sealing around the position will be stressed too much, causing the sealed qualified packaging bag to become a leaking bag. Therefore, the packaging bag is moved to the lower side of the first blowing port, and the shape of the first blowing port is consistent with the shape of the packaging bag, so that the wind force blown once is uniformly and effectively applied to the surface of the laid packaging bag, and the wind force is prevented from being too large to intentionally damage the sealed qualified packaging bag.

[0050] At the same time, in order to improve the efficiency, the multiple rows of packaging bags are blown one by one by the first blowing device. More importantly, in order to prevent the first blowing port from blowing away other packaging bags adjacent to the corresponding packaging bag when blowing the corresponding packaging bag, the first conveying mechanism is divided into multiple first conveying channels by multiple first baffles. In this way, the first baffles block the first blowing port from generating blowing force on other packaging bags in the same row, so as to ensure that multiple packaging bags in the same row can be smoothly blown by the corresponding first blowing port.

[0051] Then the second camera module is used to collect image information of the packaging bag after blowing, and then the sealing depth image and the sealing pattern image of the packaging bag before and after blowing are compared by visual recognition to determine whether it is a leaking bag. In this embodiment, the wind force generated at the moment of blowing the packaging bag by the first blowing port of the first blowing device is used as the extrusion force on the packaging bag to determine whether it is a leaking bag. Compared with the prior art which uses the packaging bag to be stationary for a certain time, such as 3 minutes, the efficiency of detecting the leaking bag by visual recognition is greatly improved. Moreover, air is used as the execution tool of the extrusion force, which will not leave any residue on the surface of the packaging bag, ensuring the appearance of the packaging bag. In addition, by adjusting the air pump, regulating valve and other pneumatic elements, the extrusion force can be accurately controlled, thereby achieving good detection effect and realizing full automation of the detection of the packaging bags packaged by the multiple-row packaging bag separator. Under the premise of ensuring the accuracy of the detection result, the detection efficiency is greatly improved. Thus, the technical problems of low detection efficiency and inaccurate detection in the prior art are solved.

[0052] In addition, in order to ensure the accuracy of the detection of the leaking bag, it is necessary to confirm again after blowing through the first blowing device. Therefore, when the multiple packaging bags in the row contain leaking bags are detected and judged by the second camera module, the switching mechanism is started to convey the multiple packaging bags in the row to the corresponding second conveying channel when the row of packaging bags passes through the switching mechanism, and then the second blowing device blows the packaging bags in the row, and the third camera module collects image information again to avoid detection errors.

[0053] In addition, after the leaking bag is found after the second blowing and the number and position of the leaking bag are recorded, it is judged whether there is a problem in the packaging of a column of the multi-column packaging machine or the sealing pressure, heating temperature and blowing temperature of all columns of the multi-column packaging machine. The controller can automatically judge. Avoid the analysis of the leaking bag situation caused by the lack of experience of the operator, and reduce the loss caused by the leaking bag in time.

[0054] Moreover, when it is judged that there is a problem in the packaging of a column of the multi-column packaging machine, only the temperature and blowing condition of the multi-column packaging machine in the column are detected and the air volume is automatically adjusted based on the detection result. More importantly, the multi-column is photographed at the same time by the infrared camera, and when a temperature in the multi-column is different from the temperatures of other columns, blowing adjustment can be performed, thereby increasing the self-adaptive adjustment range of the controller for the multi-column packaging machine. The self-adjusting range of the controller is wider. BRIEF DESCRIPTION OF DRAWINGS

[0055] Figure 1 is a schematic structural diagram of the multi-column packaging machine device according to the embodiment of the present application;

[0056] Figure 2 is another schematic structural diagram of the multi-column packaging machine device according to the embodiment of the present application;

[0057] Figure 3 is a schematic flow chart of the leaking bag detection method according to the embodiment of the present application;

[0058] REFERENCE NUMERALS:

[0059] 100, multi-column packaging machine body; 110, infrared camera; 200, first conveying mechanism; 210, first baffle separation; 300, first camera module; 400, first blowing device; 410, first blowing port; 500, second camera module; 610, second conveying mechanism; 620, switching mechanism; 630, second blowing device; 640, third camera module; 710, third blowing device; 720, fourth camera module; 800, packaging bag. DETAILED DESCRIPTION

[0060] The objectives, technical solutions, and advantages of the present application will become more apparent after a reading of the following detailed description together with the attached drawings.

[0061] The layer structure diagrams according to embodiments of the present application are shown in the drawings. These diagrams are not drawn to scale, in which certain details are exaggerated for clarity and certain details are omitted. The shapes of various regions, layers, and their relative sizes and positional relationships shown in the diagrams are only exemplary, and in actuality, they can deviate due to manufacturing tolerances or technical limitations, and regions / layers with different shapes, sizes, and relative positions can be additionally designed by those skilled in the art according to actual needs.

[0062] It is clear that the described embodiments are part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application.

[0063] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0064] The present application will be described in more detail with reference to the drawings. In each of the drawings, the same elements are denoted by like reference numerals. Each part in the drawings is not drawn to scale for clarity.

[0065] For components that are not related to the improvements of the present application, they will be simply introduced or not introduced, and the components that are improved relative to the prior art will be mainly introduced.

[0066] Referring to Figure 1 and Figure 2 The present embodiment provides a multi-column packaging machine device, comprising:

[0067] The multi-column packaging machine body 100 seals the material in multiple packaging bags 800 and divides the multiple packaging bags 800 into multiple rows and transports them row by row outward;

[0068] The first conveying mechanism 200 is provided with multiple first conveying channels, and the multiple first conveying channels are separated by multiple first baffles 210. The multiple first conveying channels one-to-one correspond to convey the multiple packaging bags 800, and the packaging bags 800 are laid flat on the first conveying channels;

[0069] The first camera module 300 is arranged on the first conveying mechanism 200, and is configured to collect image information of the packaging bags 800 output from the multi-column dispensing machine body 100.

[0070] The first blowing device 400 is provided with a plurality of first blowing ports 410, each of which is arranged above a column of the first conveying channels. When the plurality of packaging bags 800 in each row move to be directly below the corresponding first blowing port 410 and stop, the first blowing port 410 blows air to the packaging bags 800 once. The shape of the first blowing port 410 is consistent with that of the packaging bags 800.

[0071] The second camera module 500 is arranged on the first conveying mechanism 200, and is configured to collect image information of the packaging bags 800 blown by the first blowing port 410.

[0072] The image information of the packaging bags 800 at least includes a sealing depth image and a sealing line image of the packaging bags 800.

[0073] It should be noted that the first conveying mechanism 200 herein can be a conveyor belt.

[0074] In addition, the first blowing device 400 herein and the second blowing device 630 and the third blowing device 710 to be mentioned later in the embodiment can be air gun devices powered by air pumps, or can be air jet devices controlled by opening and closing of regulating valves and connected with air pumps. By adjusting the air volume of the air pump and the opening degree of the regulating valve, the air blowing amount of the first blowing port 410 to the surface of the packaging bag 800 is controlled, so that the air blown by the first blowing port 410 generates a certain pressure intensity on the packaging bag 800, so as to detect whether the packaging bag 800 leaks at the sealing position.

[0075] When in use, after the multi-row packaging bags 800 are separated into multiple rows and conveyed to the first conveying mechanism 200 row by row by the multi-row packaging bag separating machine body 100, the first camera module 300 is used to take pictures of the packaging bags 800 before they are blown by the air, so as to collect image information. Then the first blowing device 400 is used to blow the packaging bags 800 once, and the wind force generated at the moment of blowing is used to realize the extrusion of the surface of the packaging bags 800. Since the shape of the first blowing port 410 is consistent with the shape of the packaging bags 800, and the packaging bags 800 are laid flat in the first conveying channel, it is ensured that the wind force blown out of the surface of the packaging bags 800 is as uniform as possible, so as to prevent the wind force blown out of the local position of the packaging bags 800 from being too large, which affects the difference between the image information collected by the second camera module 500 and the image information collected by the first camera module 300, and affects the comparison result. More importantly, since these packaging bags 800 are just sealed and conveyed out of the multi-row packaging bag separating machine, the stability of the sealing is poor. If the wind force of the packaging bags 800 at the local position is too large, the sealing around the position will be subjected to excessive stress, causing the sealing of the qualified packaging bags 800 to become leaky. Therefore, the packaging bags 800 are moved to the lower side of the first blowing port 410, and the shape of the first blowing port 410 is consistent with the shape of the packaging bags 800, so that the wind force blown once is evenly and effectively applied to the surface of the laid packaging bags 800, and the wind force is prevented from being too large, which causes intentional damage to the qualified packaging bags 800.

[0076] At the same time, in order to improve the efficiency, the multiple rows of packaging bags 800 are blown by the first blowing device 400 one by one. More importantly, in order to prevent the first blowing port 410 from blowing away the other packaging bags 800 adjacent to the corresponding packaging bags 800 in the same row when blowing the corresponding packaging bags 800, the first conveying mechanism 200 is divided into multiple first conveying channels by multiple first baffles 210. In this way, the first baffles block the first blowing port 410 from generating blowing force on the other packaging bags 800 in the same row, so as to ensure that the multiple packaging bags 800 in the same row can be smoothly blown by the corresponding first blowing port 410.

[0077] Then the second camera module 500 is used to collect image information of the packaging bag 800 after blowing, and then the visual recognition is used to compare the sealing depth image and the sealing texture image of the packaging bag 800 before and after blowing to determine whether it is a leak bag. In this embodiment, the wind force generated at the moment when the first blowing port 410 of the first blowing device 400 blows the packaging bag 800 is used as the extrusion force of the packaging bag 800 to determine whether it is a leak bag. Compared with the prior art, the packaging bag 800 is placed for a set time, such as 3 minutes, which greatly improves the efficiency of detecting the leak bag by visual recognition. Moreover, air is used as the execution tool of the extrusion force, which does not leave any residues on the surface of the packaging bag 800, ensuring the appearance of the packaging bag 800. Moreover, by adjusting the air pump, the regulating valve and other pneumatic elements, precise control of the extrusion force can be achieved, thereby achieving good detection effect, realizing full automation of detecting the packaging bag 800 packaged by the multi-row packaging machine, and greatly improving the detection efficiency while ensuring the accuracy of the detection result. Thus, the technical problems of low detection efficiency and inaccurate detection in the prior art are solved.

[0078] Further, the multi-row packaging machine device further comprises a second conveying mechanism 610, a switching mechanism 620, a controller, a second blowing device 630 and a third camera module 640.

[0079] The second conveying mechanism 610 is provided with a plurality of second conveying channels, and the plurality of second conveying channels are separated by a plurality of second baffles. The second conveying mechanism 610 is arranged adjacent to the first conveying mechanism 200.

[0080] The switching mechanism 620 connects the first conveying mechanism 200 and the second conveying mechanism 610. The switching mechanism 620 is used to convey the packaging bags 800 in the plurality of first conveying channels one by one into the plurality of second conveying channels, and the packaging bags 800 are laid flat on the second conveying channels.

[0081] The second blowing device 630 is provided with a plurality of second blowing ports, each of which is arranged above a row of second conveying channels. When a plurality of packaging bags 800 in each row move to directly below the corresponding second blowing port and stop, the second blowing port blows air to the packaging bags 800 once. The shape of the second blowing port is consistent with the shape of the packaging bag 800.

[0082] The third camera module 640 is arranged on the second conveying mechanism 610, and is used to collect image information of the packaging bag 800 blown by the second blowing port.

[0083] The first camera module 300, the second camera module 500, the third camera module 640, the switching mechanism 620, the first blowing device 400, the second blowing device 630, the first conveying mechanism 200 and the second conveying mechanism 610 are respectively connected with the controller, and the image information of the packaging bag 800 blown by the second blowing port contains the number of any one packaging bag 800 in the plurality of columns of second conveying channels.

[0084] It should be noted that the first to fourth camera modules 720 in the embodiment include an RGB camera and an HC-SRO4 ultrasonic radar. The RGB camera can obtain an RGB image, and each pixel point includes R, G and B values. The depth image of the packaging bag 800 is obtained by the ultrasonic radar, that is, the depth value D of each pixel point corresponding to the RGB image, so that each pixel point in the image has four values.

[0085] It should be noted that the switching mechanism 620 is a common reversing device in the pipeline.

[0086] Preferably, the switching mechanism 620 can include a turntable, the turntable is arranged at the output end of the first conveying mechanism 200, and the input end of the second conveying mechanism 610 is also arranged at the turntable. The radius of the turntable is equal to the width of the first conveying mechanism 200 and also equal to the width of the second conveying mechanism 610. One end of each of the plurality of guide plates is hingedly connected with one of the plurality of first baffles. The guide plate is used to block the packaging bag 800 from separating from the first conveying channel. The other end of each of the plurality of guide plates is hingedly connected with a connecting rod. By swinging the connecting rod, the other end of each of the plurality of guide plates is in contact with one of the plurality of second baffles at the input end of the second conveying mechanism 610. At this time, the rotation of the turntable causes the plurality of packaging bags 800 on the turntable to enter the second conveying mechanism 610 under the guidance of the guide plates.

[0087] In order to ensure the accuracy of the detection of the missing bag, it is necessary to confirm again after blowing by the first blowing device 400. Therefore, when the plurality of packaging bags 800 in a row contain a missing bag detected and judged by the second camera module 500, the switching mechanism 620 is started to convey the plurality of packaging bags 800 in the row to the corresponding second conveying channel when the row of packaging bags 800 passes through the switching mechanism 620. Then, the second blowing device 630 blows the row of packaging bags 800, and the third camera module 640 collects image information again to avoid detection errors.

[0088] Further, the plurality of column split machine devices further include:

[0089] The third blowing device 710 is provided with a plurality of third blowing ports, each of which is arranged above a row of first conveying channels. When each row of a plurality of packaging bags 800 moves to a position directly below a corresponding third blowing port and stops, the third blowing port blows air to the packaging bags 800 once. The shape of the third blowing port is consistent with the shape of the packaging bags 800.

[0090] The fourth camera module 720 is arranged on the first conveying mechanism 200. The fourth camera module 720 is used to collect image information of the packaging bags 800 blown by the third blowing ports.

[0091] The first camera module 300, the first blowing device 400, the second camera module 500, the third blowing device 710, and the fourth camera module 720 are sequentially arranged along the conveying direction of the first conveying channels.

[0092] The third blowing device 710 and the fourth camera module 720 cooperate to detect the qualified packaging bags 800 again, so as to avoid the existence of a missing bag in the qualified packaging bags 800.

[0093] Further, the multi-row dispensing machine device further comprises an infrared camera 110. The infrared camera 110 is used to collect the temperature of the packaging bags 800 output from the multi-row dispensing machine body 100. The infrared camera 110 is connected with the controller.

[0094] Since the multi-row dispensing machine needs to heat and seal the bags, the temperature needs to be detected during heating and sealing. The conventional detection method is to directly detect the heating temperature. However, since the heating time is long, the detection device is affected, which reduces the accuracy of the temperature detection of the detection device. Therefore, in the embodiment, the infrared camera 110 is used to collect the temperature of the packaging bags 800 output from the multi-row dispensing machine body 100, so as to indirectly obtain the heating temperature in the multi-row dispensing machine. The temperature collected by the infrared camera 110 is not disturbed by the multi-row dispensing machine itself, thereby ensuring the accuracy of the detection.

[0095] Further, the multi-row dispensing machine body 100 is provided with a fourth blowing device and a plurality of sealing mechanisms. The sealing mechanisms are used to seal the materials in the packaging bags 800. The packaging bags 800 are aluminum-plastic composite film packaging bags 800,

[0096] The fourth blowing device is provided with a plurality of fourth blowing ports. Each fourth blowing port is arranged towards a sealing mechanism. A control valve is arranged at each fourth blowing port. The control valve is connected with the controller. The control valve is used to adjust the air volume blown to the sealing mechanism.

[0097] The air volume of the fourth blowing port is controlled by the control valve.

[0098] The inventor of the present application found that for the composite film with less aluminum-containing material, the relative ductility is poor, and the requirements for heating temperature and sealing pressure are very high. If the heating temperature is high, the sealing pressure should be appropriately reduced to avoid compression cracking. If the temperature is slightly lower, the sealing pressure should be slightly increased to ensure the sealing effect. Slight fluctuations in heating temperature and sealing pressure will result in loose sealing or cracks or tears in the upper part of the composite film bag. By arranging each fourth blowing port towards a sealing mechanism, the fourth blowing port is used to blow the sealing mechanism to control the heating temperature. The sealing effect of the packaging bag 800 during the sealing process of the composite film with less aluminum-containing material is ensured.

[0099] Further, the plurality of sealing mechanisms are respectively controlled by the controller.

[0100] The sealing pressure is controlled by the controller.

[0101] Referring to Figure 3 In addition, the present embodiment also provides a bag leakage detection method for the above multi-column sub-packaging machine device, which comprises the following steps:

[0102] The plurality of packaging bags 800 are laid flat on the first conveying mechanism 200 for conveying;

[0103] The first camera module 300 is used to collect image information of the laid flat packaging bags 800;

[0104] The first blowing device 400 is used to blow the surface of the packaging bags 800 for the first time;

[0105] The second camera module 500 is used to collect image information of the packaging bags 800 after the first blowing;

[0106] Based on the sealing depth image and the sealing pattern image of the packaging bags 800 before and after the first blowing, it is detected whether the packaging bags 800 have bag leakage.

[0107] Further, the plurality of packaging bags 800 are laid flat on the first conveying mechanism 200 for conveying comprises:

[0108] The plurality of packaging bags 800 are divided into multiple rows and conveyed along the first conveying mechanism 200 row by row;

[0109] After detecting whether the packaging bags 800 have bag leakage based on the sealing depth image and the sealing pattern image of the packaging bags 800 before and after the first blowing, it comprises:

[0110] Row by row, it is detected whether the plurality of packaging bags 800 have bag leakage;

[0111] The row of packaging bags 800 containing bag leakage is conveyed by the switching mechanism 620 to the second conveying mechanism 610;

[0112] The second blowing device 630 is used to blow air to the surface of the packaging bag 800 for the second time;

[0113] The third camera module 640 is used to collect image information of the packaging bag 800 after the second blowing;

[0114] The image information of the packaging bag 800 before the first blowing and the image information of the packaging bag 800 after the second blowing are compared by visual recognition to determine whether there is a missing bag;

[0115] If there is a missing bag, the number of missing bags in the row and the position column of the missing bag are recorded;

[0116] If the number of missing bags in the row is less than the set number, the opening degree of the corresponding control valve of the fourth blowing device is adjusted based on the position column of the missing bag and the temperature of the position column detected by the infrared camera 110. The set number can be two bags. If the temperature exceeds the set range or the temperature of the column is higher than that of other columns, the opening degree of the control valve is increased to increase the blowing amount. If the temperature is lower than the set range or the temperature of the column is lower than that of other columns, the opening degree of the control valve is decreased to reduce the blowing amount.

[0117] If the number of missing bags in the row is greater than or equal to the set number, the controller detects three data: 1. whether the temperature of all the outlet position columns of the multi-column dispensing machine body 100 detected by the infrared camera 110 is normal, 2. whether the opening degree of all the control valves is normal, and 3. whether the sealing pressure of all the sealing mechanisms is normal. If any of the three data is abnormal, the controller alarms. If all the three data are normal, the controller records once. If the second blowing of the subsequent multiple rows of packaging bags 800 still shows that all the three data are normal, the controller alarms.

[0118] In this way, after the missing bag is found after the second blowing and the number and position column of the missing bag are recorded, it is determined whether there is a problem with the packaging of a column of the multi-column dispensing machine or the sealing pressure, heating temperature and blowing temperature of all the position columns of the multi-column dispensing machine according to the number and position column of the missing bag. The controller can make autonomous judgments. This avoids the operator's lack of experience leading to errors in analyzing the missing bag situation and timely reducing the loss caused by the missing bag.

[0119] Moreover, when it is determined that there is a problem with the packaging of a column of the multi-column dispensing machine, only the temperature and blowing situation in the column of the multi-column dispensing machine are detected and the air volume is automatically adjusted based on the detection result. More importantly, the infrared camera 110 is used to take pictures of multiple columns at the same time. When it is found that the temperature of a column is different from that of other columns, the blowing can be adjusted, thereby increasing the adaptive adjustment range of the controller for the multi-column dispensing machine. The autonomous adjustment range of the controller is wider.

[0120] It should be understood that the foregoing detailed description of the application, rather than limiting the application, is intended to explain and describe the current implementation of the application. Therefore, any modification, equivalent replacement or improvement made without departing from the spirit and scope of the application should be included in the protection scope of the application. In addition, the appended claims of the application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent form of such scope and boundary.

Claims

1. A multi-row dispensing machine, characterized in that, include: The multi-row packaging machine body (100) seals the material in multiple packaging bags (800) and divides the multiple rows of packaging bags (800) into multiple rows and conveys them outward row by row; The first conveying mechanism (200) is provided with multiple first conveying channels, which are separated by multiple first baffles (210). The multiple first conveying channels transport multiple rows of the packaging bags (800) in a one-to-one correspondence, and the packaging bags (800) are laid flat on the first conveying channels. A first camera module (300) is disposed on the first conveying mechanism (200). The first camera module (300) is used to acquire image information of the packaging bag (800) output from the multi-column dispensing machine body (100). The first blowing device (400) is provided with a plurality of first blowing ports (410). Each first blowing port (410) is disposed above a column of the first conveying channels. When a plurality of the packaging bags (800) in each row move to the direct below the corresponding first blowing port (410) and stop, the first blowing port (410) blows air onto the packaging bag (800) once. The shape of the first blowing port (410) is consistent with the shape of the packaging bag (800). as well as A second camera module (500) is disposed on the first conveying mechanism (200). The second camera module (500) is used to capture image information of the packaging bag (800) blown by the first air outlet (410). The multi-row loading machine also includes: a second conveying mechanism (610), a switching mechanism (620), a controller, a second blowing device (630), and a third camera module (640); The second conveying mechanism (610) is provided with multiple rows of second conveying channels, which are separated by multiple second baffles. The second conveying mechanism (610) is arranged adjacent to the first conveying mechanism (200). The switching mechanism (620) connects the first conveying mechanism (200) and the second conveying mechanism (610). The switching mechanism (620) is used to convey the packaging bags (800) in the multiple first conveying channels to the multiple second conveying channels one by one. The packaging bags (800) are laid flat on the second conveying channels. The second blowing device (630) is provided with a plurality of second blowing ports, each of which is positioned above a column of the second conveying channels. When a plurality of the packaging bags (800) in each row move directly below the corresponding second blowing port and stop, the second blowing port blows air onto the packaging bag (800) once. The shape of the second blowing port is consistent with the shape of the packaging bag (800). A third camera module (640) is disposed on the second conveying mechanism (610), and the third camera module (640) is used to collect image information of the packaging bag (800) blown by the second air outlet; The first camera module (300), the second camera module (500), the third camera module (640), the switching mechanism (620), the first blowing device (400), the second blowing device (630), the first conveying mechanism (200), and the second conveying mechanism (610) are respectively connected to the controller. The image information of the packaging bag (800) blown by the second blowing port contains the number of any one of the packaging bags (800) in the multiple columns of the second conveying channel. The multi-row packaging machine also includes an infrared camera (110), which is used to collect the temperature of the packaging bag (800) output from the multi-row packaging machine body (100), and the infrared camera (110) is connected to the controller; The image information of the packaging bag (800) includes at least the sealing depth image and the sealing texture image of the packaging bag (800).

2. The multi-row loading machine equipment according to claim 1, characterized in that, The multi-row loading machine also includes: A third air blowing device (710) is provided with multiple third air blowing ports, each of which is positioned above a column of the first conveying channels. When multiple packaging bags (800) in each row move directly below the corresponding third air blowing port and stop, the third air blowing port blows air onto the packaging bag (800) once. The shape of the third air blowing port is consistent with the shape of the packaging bag (800). A fourth camera module (720) is disposed on the first conveying mechanism (200), and the fourth camera module (720) is used to collect image information of the packaging bag (800) blown by the third air outlet; The first camera module (300), the first air blower (400), the second camera module (500), the third air blower (710), and the fourth camera module (720) are arranged sequentially along the conveying direction of the first conveying channel.

3. The multi-row loading machine equipment according to claim 1, characterized in that, The multi-row dispensing machine body (100) is equipped with a fourth blowing device and multiple sealing mechanisms. The sealing mechanisms are used to seal the material in the packaging bag (800), which is an aluminum-plastic composite film packaging bag (800). The fourth air blowing device is provided with multiple fourth air blowing ports, each of which is oriented toward one of the sealing mechanisms. Each fourth air blowing port is provided with a control valve, which is connected to the controller and is used to adjust the air volume blown toward the sealing mechanism.

4. The multi-row loading machine according to claim 3, characterized in that, Each of the sealing mechanisms is connected to the controller.

5. A method for detecting leaking bags in multi-row packaging machines, characterized in that, The multi-row filling machine is the multi-row filling machine as described in any one of claims 1 to 4, and the leak detection method includes: Multiple packaging bags (800) are laid flat on the first conveyor (200) and conveyed. The first camera module (300) is used to acquire image information of the flattened packaging bag (800); The first blowing device (400) blows air onto the surface of the packaging bag (800) for the first time; The second camera module (500) is used to acquire image information of the packaging bag (800) after the first air blowing; Based on the sealing depth image and sealing texture image of the packaging bag (800) before and after the first air blowing, it is detected whether the packaging bag (800) has leaked.

6. The leak detection method according to claim 5, characterized in that, The multi-row loading machine also includes: a second conveying mechanism (610), a switching mechanism (620), a second blowing device (630), and a third camera module (640); The multi-row dispensing machine body (100) is equipped with a fourth blowing device and multiple sealing mechanisms. The sealing mechanisms are used to seal the material in the packaging bag (800), which is an aluminum-plastic composite film packaging bag (800). The fourth blowing device is provided with a plurality of fourth blowing ports, each of the fourth blowing ports is arranged facing one of the sealing mechanisms, and each of the fourth blowing ports is provided with a control valve, the control valve being connected to the controller, and the control valve being used to adjust the air volume blown toward the sealing mechanism; Conveying multiple packaging bags (800) laid flat on the first conveyor (200) includes: The multiple rows of packaging bags (800) are divided into multiple rows and conveyed row by row along the first conveying mechanism (200); Based on the sealing depth and sealing texture images of the packaging bag (800) before and after the first air blowing, the process of detecting whether the packaging bag (800) has leaked includes: Check each of the multiple packaging bags (800) row by row to see if any leakage occurs; The row of packaging bags (800) containing the leaking bags is conveyed by the switching mechanism (620) to the second conveying mechanism (610); A second blowing device (630) is used to blow air a second time onto the surface of the packaging bag (800); The third camera module (640) is used to acquire image information of the packaging bag (800) after the second air blowing; Based on the sealing depth image and sealing texture image of the packaging bag (800) before and after the second air blowing, it is detected whether the packaging bag (800) has leaked; If a leak occurs, record the number of leaked bags and their column position. If the number of leak bags is less than the set number, the opening degree of the corresponding control valve of the fourth blowing device is adjusted based on the position of the leak bag and the temperature of that position detected by the infrared camera (110).

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