Soft capsule appearance intelligent detection equipment

Abstract

The utility model discloses soft capsule appearance intelligent detection equipment which comprises a feeding mechanism, a conveying roller mechanism, a visual detection mechanism and a detection machine, the feeding mechanism comprises multiple stages of vibration table assemblies, and the vibration table assemblies are sequentially lowered; the conveying roller mechanism is arranged at the downstream of the feeding mechanism and is used for conveying the soft capsules and driving the soft capsules to rotate; the visual detection mechanism is arranged above the conveying roller mechanism and is used for photographing the rotating soft capsules; and the detector receives the image of the visual detection mechanism and judges whether the appearance of the soft capsule is qualified. According to the utility model, wire connection use, high-precision and non-destructive detection are realized, and any link does not need manual work, so that the human risk is reduced; a machine vision detection principle and a high-speed image processing technology are adopted, and defective products are automatically screened and removed.

Description

Technical Field

[0001] The utility model relates to the technical field of soft capsule detection, and particularly relates to an intelligent soft capsule appearance detection device. Background Art

[0002] At present, most domestic pharmaceutical factories adopt traditional manual detection methods. The manual screening method has the defects of low efficiency, high cost, and the phenomena of missed detection and misdetection. There are also pharmaceutical factories that conduct single-grain detection on soft capsules through a flat conveyor belt, which cannot achieve full-automatic detection, especially cannot conduct all-round and non-blind-spot detection on soft capsules. In addition, due to the light weight of soft capsules, in existing auxiliary equipment, phenomena such as material jamming and material stacking are likely to occur, affecting the detection efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the above technical problems and provide an intelligent soft capsule appearance detection device that can automatically complete the appearance detection of soft capsules.

[0004] To achieve the above purpose, the present application provides the following technical solutions:

[0005] An intelligent soft capsule appearance detection device, comprising:

[0006] A feeding mechanism, the feeding mechanism includes multi-stage vibrating table components, and each stage of vibrating table component decreases in turn;

[0007] A conveying roller mechanism, the conveying roller mechanism is arranged downstream of the feeding mechanism, and the conveying roller mechanism is used for conveying soft capsules and driving the soft capsules to rotate;

[0008] A vision detection mechanism, the vision detection mechanism is arranged above the conveying roller mechanism, and the vision detection mechanism is used for taking pictures of the rotating soft capsules;

[0009] A detector, the detector receives the images of the vision detection mechanism and judges whether the appearance of the soft capsules is qualified.

[0010] Optionally, the conveying roller mechanism includes:

[0011] A roller, and a plurality of rollers are arranged on the roller;

[0012] A chain, the chain is connected with the roller to form a closed loop, and the chain is used for driving the roller to move;

[0013] A gear-rack mechanism, the gear-rack mechanism includes a gear and a rack, the gear-rack mechanism is arranged inside the closed loop of the roller, the rack is attached to the upper roller, the gear meshes with the rack, and the movement of the rack drives the roller to rotate automatically.

[0014] Optionally, the conveying roller mechanism further includes:

[0015] A sprocket, on which the chain is arranged;

[0016] A belt drive mechanism, and a driven pulley of the belt drive mechanism is coaxially arranged with one of the sprockets;

[0017] A driving motor, which drives the driving pulley of the belt drive mechanism to rotate.

[0018] Optionally, the multi-stage vibrating table assembly includes:

[0019] A first-stage vibrating table;

[0020] A second-stage vibrating table, which is arranged downstream and below the first-stage vibrating table, and the speed of the second-stage vibrating table is higher than that of the first-stage vibrating table.

[0021] Optionally, the feeding mechanism further includes:

[0022] A feeding hopper, which is arranged above the first-stage vibrating table, and a feed door suitable for opening and closing is arranged at the lower end of the feeding hopper.

[0023] Optionally, both the first-stage vibrating table and the second-stage vibrating table include vibrating plates, the cross-section of the vibrating plates is serrated, and each trough of the vibrating plate of the second-stage vibrating table corresponds to each roller.

[0024] Optionally, a guiding plate is further arranged between the second-stage vibrating table and the conveying roller mechanism, the guiding plate is located below the vibrating plate of the second-stage vibrating table and above the rollers, and guiding holes corresponding to each roller and each trough of the vibrating plate are arranged on the guiding plate, and the guiding holes are suitable for making the soft capsules fall onto the corresponding rollers.

[0025] Optionally, the vision inspection mechanism includes:

[0026] Cameras, and multiple cameras are arranged side by side along the vertical direction of the soft capsule conveying;

[0027] A bracket, which is arranged on both sides of the conveying roller mechanism, the cameras are installed on the bracket through a cross bar, and the installation height of the cross bar on the bracket is adjustable;

[0028] Light sources, which are connected to the bracket in parallel with the cross bar, and the light sources are located below both sides of the cameras.

[0029] Optionally, a waste rejection mechanism is further included, and the waste rejection mechanism includes:

[0030] Adsorption tubes, multiple adsorption tubes are arranged corresponding to each roller, the adsorption tubes are arranged above the rollers, and the adsorption tubes are located on the side of the vision inspection mechanism away from the feeding mechanism;

[0031] Scrap hopper, the scrap hopper is communicated with the end of the adsorption pipe, and the adsorption pipe sucks the unqualified soft capsules on the roller to the scrap hopper through a vacuum mechanism.

[0032] Optionally, a discharging mechanism is provided downstream of the conveying roller mechanism, and a material distributing part adapted to open and close is provided at the outlet of the discharging mechanism.

[0033] In summary, the present utility model has at least the following technical effects and advantages: The present utility model is used in series, with high-precision and non-damaging detection, and no manual operation is required in any link, reducing the human risk; The machine vision detection principle and high-speed image processing technology are adopted to automatically screen and eliminate defective products; The equipment of the present utility model is easy to operate, stable in operation and simple in maintenance, meeting the GMP standard (Good Manufacturing Practice for Pharmaceuticals); The detection information of the detection machine of the present utility model can be templatized and repeatedly called; The core detection module is customized and can be flexibly designed according to the actual product characteristics; Some defects can be classified and identified by using deep learning algorithms. Description of the Drawings

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application, and those skilled in the art can obtain other drawings without creative efforts based on these drawings.

[0035] Figure 1 It is an external view of the intelligent soft capsule appearance detection device in an embodiment of the present utility model;

[0036] Figure 2 It is a front view of the intelligent soft capsule appearance detection device in an embodiment of the present utility model;

[0037] Figure 3 It is a top view of the intelligent soft capsule appearance detection device in an embodiment of the present utility model;

[0038] Figure 4 It is a structural schematic diagram of the vibration table assembly in an embodiment of the present utility model;

[0039] Figure 5 It is a structural schematic diagram of the conveying roller mechanism and the vision detection mechanism in an embodiment of the present utility model;

[0040] Figure 6 It is a structural schematic diagram of the waste removal mechanism in an embodiment of the present utility model.

[0041] In the figure:

[0042] 1. Hopper; 2. First vibrating table; 21. Vibrating plate; 3. Second vibrating table; 31. Vibrating plate; 4. Conveyor roller mechanism; 41. Roller; 42. Chain; 43. Belt drive mechanism; 44. Driving motor; 5. Visual inspection mechanism; 51. Camera; 52. Bracket; 53. Cross bar; 54. Light source; 6. Suction pipe; 7. Scrap hopper; 8. Discharging mechanism; 9. Material distribution part; 10. Guide plate; 101. Guide hole. Detailed implementation manners

[0043] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0044] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0045] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0046] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0047] This embodiment provides an intelligent inspection device for the appearance of soft capsules, as Figures 1-6As shown in the figure, it includes a feeding mechanism, a conveying roller mechanism 4, a vision inspection mechanism 5, and an inspection machine. The feeding mechanism includes multi-stage vibrating table components, and the vibrating table components at each level decrease in sequence; the conveying roller mechanism 4 is arranged downstream of the feeding mechanism, and the conveying roller mechanism 4 is used to convey soft capsules and drive the soft capsules to rotate; the vision inspection mechanism 5 is arranged above the conveying roller mechanism 4, and the vision inspection mechanism 5 is used to take pictures of the rotating soft capsules; the inspection machine receives the images from the vision inspection mechanism 5 and judges whether the appearance of the soft capsules is qualified.

[0048] This embodiment adopts the machine vision inspection principle and high-speed image processing technology to detect defects such as black dots, air bubbles, oil leakage, color difference, foreign objects, and abnormal shapes on soft capsules. It can quickly build models and manage varieties for different products, count and statistically analyze the inspection results, and automatically reject defective products; it has a fast inspection speed, high inspection accuracy, in-place technical services, strong subsequent upgrade capabilities, and the equipment is simple and easy to use.

[0049] This embodiment is applicable to the appearance defect inspection of soft capsules with a diameter of 5 - 12 mm and a length of 6 - 25 mm. According to experience, the soft capsule defects are divided into 3 categories: Category A - serious defects, such as oil leakage, abnormal shape, air bubbles, foreign objects, etc.; Category B - general defects, such as black dots, dirt, etc.; Category C - minor defects, such as foreign objects of the same color, etc. The inspection machine includes a defect module, an image processing module, a judgment module, and a processor. The defect module is made into a corresponding algorithm module according to the appearance characteristics of defective soft capsules. The image processing module receives and processes multiple images taken by the vision inspection mechanism 5. When inspecting, the judgment module compares the images of the image processing module with the defects of the defect module. As long as it conforms to one of the defect modules, it is judged as a defect; the processor controls the corresponding suction tube 6 of the rejection mechanism to adsorb unqualified soft capsules according to the judgment result of the judgment module. This embodiment can write algorithm programs for specific defects to effectively solve practical problems. The inspection tightness of each defect can be set according to actual requirements. The inspection information of this embodiment can be templatized and repeatedly called; the core inspection module is customized and can be flexibly designed according to the characteristics of actual products; some defects can be classified and identified using deep learning algorithms; the inspection data is stored in real time, and the inspection results, real-time images, and operating status are dynamically displayed; the inspection machine adopts a modular design, which is easy to upgrade, improve, and maintain. The equipment of this embodiment is easy to operate, runs stably, and is simple to maintain, meeting the GMP standard (Good Manufacturing Practice for Drugs).

[0050] Specifically, the conveying roller mechanism 4 includes rollers, a chain 42, and a rack and pinion mechanism. A plurality of rollers 41 are provided on the rollers. The chain 42 is connected to the rollers to form a closed loop. The two ends of the rollers are respectively connected to the chains 42 on both sides. The plurality of rollers 41 are provided on the rollers. The chain 42 is used to drive the rollers and the rollers to move, so as to realize the forward conveying of soft capsules. The rack and pinion mechanism includes a gear and a rack. The rack and pinion mechanism is arranged inside the closed loop of the rollers. The rack is in contact with the upper rollers 41. The gear meshes with the rack. The motor drives the gear to rotate. The gear drives the rack to move. Since the rack is in contact with and frictional with the rollers 41, the movement of the rack drives the rollers 41 to rotate. During conveying, the soft capsules are located between two adjacent rollers 41. The rotation of the rollers 41 drives the soft capsules to rotate. The soft capsules can rotate 360 degrees, which is convenient for the vision inspection mechanism 5 to take multi-angle photos of the material for inspection at 360 degrees.

[0051] Optionally, the conveying roller mechanism 4 further includes a sprocket, a belt drive mechanism 43, and a drive motor 44. The chain 42 is arranged on the sprocket. The driven pulley of the belt drive mechanism 43 is coaxially arranged with one of the sprockets. The drive motor 44 drives the driving pulley of the belt drive mechanism 43 to rotate. The drive motor 44 drives the sprocket to rotate through the belt drive mechanism 43. The sprocket drives the chain 42, the rollers, and the rollers 41 to move forward.

[0052] Optionally, the multi-stage vibrating table assembly includes a first-stage vibrating table 2 and a second-stage vibrating table 3. The second-stage vibrating table 3 is arranged below the downstream of the first-stage vibrating table 2. The speed of the second-stage vibrating table 3 is higher than that of the first-stage vibrating table 2. The present application does not make specific restrictions on the number of vibrating tables. For example, it may also include a third-stage vibrating table, etc. The first-stage blanking uses the vibrating table for feeding to ensure continuous forward feeding of materials. The materials enter the second-stage vibrating table 3. There is a height difference between the first-stage vibrating table 2 and the second-stage vibrating table 3. The speed of the second-stage vibrating table 3 is faster than that of the first-stage vibrating table 2. Through the action of the second-stage vibrating table 3 for material sorting and queuing, the materials are arranged one by one and evenly conveyed to the rollers 41.

[0053] Optionally, the feeding mechanism further includes a feeding hopper 1. The feeding hopper 1 is arranged above the first-stage vibrating table 2. A feed door suitable for opening and closing is provided at the lower end of the feeding hopper 1. The materials enter the first-stage vibrating table 2 from the feeding hopper 1 through the controllable opening and closing feed door.

[0054] Optionally, the first-stage vibrating table 2 includes a vibrating plate 21, and the second-stage vibrating table 3 includes a vibrating plate 31. The cross-sections of the vibrating plate 21 and the vibrating plate 31 are serrated. Each trough of the vibrating plate 31 of the second-stage vibrating table 3 corresponds to each of the rollers 41. The materials are arranged in each trough of the vibrating plate 31. Each trough corresponds to each roller 41, so that the materials are orderly conveyed to the corresponding rollers 41.

[0055] Optionally, a guide plate 10 is further provided between the secondary vibrating table 3 and the conveying roller mechanism 4. The guide plate 10 is located below the vibrating plate 31 of the secondary vibrating table 3 and above the rollers 41. Corresponding to each roller 41 and each trough of the vibrating plate 31 on the guide plate 10, there are guide holes 101, and the guide holes 101 are adapted to enable the soft capsules to accurately fall onto the corresponding rollers 41. Optionally, the guide holes 101 can be oblong holes.

[0056] Optionally, the vision inspection mechanism 5 includes cameras 51, brackets 52 and light sources 54. A plurality of cameras 51 are arranged side by side along the vertical direction of the soft capsule conveying; the brackets 52 are arranged on both sides of the conveying roller mechanism 4, the cameras 51 are installed on the brackets 52 through cross bars 53, and the installation height of the cross bars 53 on the brackets 52 is adjustable; corresponding to the cross bars 53 on the brackets 52, there are installation holes at different heights, so as to realize the adjustment of the installation height of the cameras 51. The light sources 54 are connected to the brackets 52 in parallel with the cross bars 53, and the light sources 54 are located below both sides of the cameras 51.

[0057] Optionally, a reject mechanism is further included. The reject mechanism includes adsorption pipes 6 and waste product hoppers 7. A plurality of adsorption pipes 6 are arranged corresponding to each roller 41. The adsorption pipes 6 are arranged above the rollers 41, and the adsorption pipes 6 are located on the side of the vision inspection mechanism 5 away from the feeding mechanism; the waste product hoppers 7 are communicated with the ends of the adsorption pipes 6, and the adsorption pipes 6 suck the unqualified soft capsules on the rollers 41 into the waste product hoppers 7 through a vacuum mechanism. If the detector determines that the material on the roller 41 corresponding to a certain adsorption pipe 6 is unqualified, the adsorption pipe 6 is connected to the vacuum mechanism, and the adsorption pipe 6 sucks the unqualified soft capsules on the corresponding roller 41 into the waste product hopper 7.

[0058] Optionally, a discharging mechanism 8 is provided downstream of the conveying roller mechanism 4, and a material distributing part 9 adapted to open and close is provided at the outlet of the discharging mechanism 8. The qualified soft capsules fall onto the discharging mechanism 8, and the material distributing plate opens and closes to distribute a specified number of materials.

[0059] Working process of this embodiment: Materials enter the first-level vibrating table 2 from the feeding hopper 1 through a controllable feed gate. The first-level feeding uses the first-level vibrating table 2 for feeding to ensure continuous feeding. The materials enter the second-level vibrating table 3. There is a height difference between the first-level vibrating table 2 and the second-level vibrating table 3. The speed of the second-level vibrating table 3 is faster than that of the first-level vibrating table 2. Through the action of the second-level vibrating table 3 for material sorting and queuing, the materials are arranged one by one and evenly conveyed onto the roller 41. The materials are conveyed uniformly on the roller 41. At the same time, the materials are turned 360 degrees forward on the roller 41 and pass through the photographic detection point for 360-degree photographic detection of the materials. The detector will make a judgment based on the comparison between the preset defect module and the surface information of the materials. If it is unqualified, it will give and execute the rejection action to reject the unqualified materials; the qualified materials continue to be conveyed to the discharging mechanism 8. This process ensures the quality of the materials before leaving the factory.

[0060] This application is used in a connected manner for high-precision and non-damaging detection. No manual operation is required in any link, reducing the human risk; it adopts the machine vision detection principle and high-speed image processing technology to automatically screen and reject defective products.

[0061] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A soft capsule appearance intelligent detection device, characterized in that: include: A feeding mechanism, the feeding mechanism comprising a multi-stage vibration table assembly, each stage of the vibration table assembly is lowered in sequence; A conveying roller mechanism, which is arranged downstream of the feeding mechanism and is used to convey the soft capsules and drive the soft capsules to rotate; A visual inspection mechanism, which is disposed above the conveying roller mechanism and is used to take photos of the rotating soft capsules; The detection machine receives the image from the visual detection mechanism and determines whether the appearance of the soft capsule is qualified.

2. The intelligent soft capsule appearance detection device according to claim 1, characterized in that: The conveying roller mechanism comprises: A roller, wherein a plurality of rollers are provided on the roller; A chain, wherein the chain is connected with the roller to form a closed loop, and the chain is used to drive the roller to move; The rack and pinion mechanism comprises a gear and a rack, and the rack and pinion mechanism is arranged in a closed loop of the roller, the rack is in contact with the roller above, the gear is meshed with the rack, and the movement of the rack drives the roller to rotate.

3. The intelligent soft capsule appearance detection device according to claim 2, characterized in that: The conveying roller mechanism also includes: a sprocket, on which the chain is arranged; A belt transmission mechanism, wherein a driven pulley of the belt transmission mechanism is coaxially arranged with one of the sprockets; A driving motor drives the driving pulley of the belt transmission mechanism to rotate.

4. The intelligent soft capsule appearance detection device according to claim 2, characterized in that: The multi-stage vibration table assembly comprises: First-level vibration table; A secondary vibration table is arranged below and downstream of the primary vibration table, and the speed of the secondary vibration table is higher than that of the primary vibration table.

5. The intelligent soft capsule appearance detection device according to claim 4, characterized in that: The feeding mechanism also includes: A feeding hopper is arranged above the first-level vibration table, and a material door suitable for opening and closing is arranged at the lower end of the feeding hopper.

6. The intelligent soft capsule appearance detection device according to claim 4, characterized in that: The primary vibration table and the secondary vibration table both include a vibration plate, the cross section of the vibration plate is sawtooth-shaped, and each trough of the vibration plate of the secondary vibration table corresponds to each of the rollers.

7. The intelligent soft capsule appearance detection device according to claim 6, characterized in that: A guide plate is also provided between the secondary vibration table and the conveying roller mechanism. The guide plate is located below the vibration plate of the secondary vibration table and above the roller. Guide holes are provided on the guide plate corresponding to each roller and each trough of the vibration plate. The guide holes are suitable for allowing the soft capsule to fall onto the corresponding roller.

8. The intelligent soft capsule appearance detection device according to claim 1, characterized in that: The visual detection mechanism comprises: Cameras, multiple cameras are arranged side by side along the vertical direction of the soft capsule conveying; A bracket, wherein the bracket is arranged on both sides of the conveying roller mechanism, the camera is mounted on the bracket via a cross bar, and the mounting height of the cross bar on the bracket is adjustable; A light source is connected to the bracket in parallel with the crossbar, and the light source is located below both sides of the camera.

9. The intelligent soft capsule appearance detection device according to claim 6, characterized in that: It also includes a waste rejection mechanism, the waste rejection mechanism comprising: Adsorption tubes, multiple adsorption tubes are arranged corresponding to each roller, the adsorption tubes are arranged above the rollers, and the adsorption tubes are located on the side of the visual detection mechanism away from the feeding mechanism; A waste hopper is connected to the end of the adsorption tube, and the adsorption tube sucks unqualified soft capsules on the roller to the waste hopper through a vacuum mechanism.

10. The intelligent soft capsule appearance detection device according to claim 1, characterized in that: A discharging mechanism is provided downstream of the conveying roller mechanism, and a discharging portion suitable for opening and closing is provided at the outlet of the discharging mechanism.

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