Aluminum foil meal box foreign matter detection device and method

Abstract

The aluminum foil meal box foreign matter detection device comprises a detection device conveying belt, a supporting frame is installed on the surface of the detection device conveying belt, a protection sleeve is fixed to the surface of the supporting frame, a first screw rod sequentially penetrates through the protection sleeve and the supporting frame, and a nut is installed on the surface of the first screw rod in a threaded mode; a first gear is fixed on the surface of the tail end of the nut; the first screw rod can conveniently push the camera to move through the mounting plate, an operator can conveniently adjust the position of the camera according to the size of the aluminum foil meal box, so that the camera can conveniently shoot the complete aluminum foil meal box, meanwhile, when the operator installs the camera mounting block, the operator does not need to push the camera mounting block with the hand, and the operation is convenient. And a second screw rod is in threaded fit with a threaded sleeve, so that an abutting block and a clamping groove are clamped on the surface of a conveying belt of the detection device, and the operator can conveniently install the protective sleeve.

Description

Technical Field

[0001] The invention belongs to the technical field of foreign matter detection devices for aluminum foil lunch boxes, and in particular relates to a foreign matter detection device and method for aluminum foil lunch boxes. Background Art

[0002] The AI-based aluminum foil lunch box foreign body detection device is a device that uses artificial intelligence technology for detection, and is mainly used to detect whether there are foreign bodies in aluminum foil lunch boxes. This device usually combines software algorithms and hardware equipment, and can quickly and accurately identify and locate various foreign bodies on the surface of aluminum foil. By timely discovering and handling these foreign bodies, the overall quality of aluminum foil products is improved, and subsequent application problems caused by foreign bodies are reduced. The existing aluminum foil lunch box foreign body detection device can basically meet daily use needs, but there are still some shortcomings that need to be improved.

[0003] When detecting foreign objects in aluminum foil lunch boxes based on AI, the aluminum foil lunch box is photographed by a camera, and the photos are compared to determine whether there are foreign objects in the aluminum foil lunch box. However, due to the different sizes of aluminum foil lunch boxes, when aluminum foil lunch boxes of different sizes pass through the camera, the camera may not be able to photograph the larger aluminum foil lunch box, and may not be able to photograph the larger aluminum foil lunch box completely. Therefore, we propose a device and method for detecting foreign objects in aluminum foil lunch boxes to solve the above problem. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a device and method for detecting foreign matter in an aluminum foil lunch box to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A foreign body detection device for an aluminum foil lunch box comprises a detection device conveyor belt, a support frame is installed on the surface of the detection device conveyor belt, and a protective sleeve is fixed on the surface of the support frame, the protective sleeve and the support frame are penetrated by a first screw in sequence, and a nut is threadedly installed on the surface of the first screw, a first gear is fixed to the end surface of the nut, and a second gear is meshed on either side of the first gear, a rotating shaft passing through one side of the protective sleeve is fixed to the middle of the second gear, and a turntable is fixed to the end of the rotating shaft, and a mounting plate is fixed to the end of the first screw.

[0007] As a preferred technical solution of the present invention, the mounting plate is fixed with traction grooves all around, and sliders and springs are respectively provided inside the traction grooves, the two side ends of the springs are respectively abutted between the slider surface and the inside of the traction grooves, and the slider surface is fixed with a clamping plate that fits on the traction groove surface.

[0008] As a preferred technical solution of the present invention, the clamps are all arranged in an "L" shape, and a plurality of groups of wavy grooves are provided on the inner side of the "L"-shaped ends of the clamps.

[0009] As a preferred technical solution of the present invention, the protective sleeve is fixed with a card slot on one side close to the transmission belt of the detection device, and a stop block is arranged on one side of the card slot, a rotating groove is fixed on the surface of the stop block, and a rotating block is embedded in the rotating groove, a second screw is fixed on the surface of the rotating block, and the second screw passes through one side of the card slot, and the second screw passes through one side of the card slot and is sleeved with a threaded sleeve fixed on the surface of the card slot, and a twist block is fixed at the end of the second screw.

[0010] As a preferred technical solution of the present invention, pads are fixed to the inner walls of the stop block on the side close to the detection device conveyor belt and the slot on the side away from the stop block, and the pads are in contact with the surface of the detection device conveyor belt.

[0011] As a preferred technical solution of the present invention, a guide block is fixed on one side of the pad fixed on the stop block, and the surface of the guide block is sleeved with a slide groove opened on the inner side wall of the slot.

[0012] As a preferred technical solution of the present invention, a limit plate penetrated by the first screw is fixed to the inner wall of the protective sleeve, and fixing frames are symmetrically fixed to the two end portions of the limit plate, and a limit rod penetrating the first screw is fixed in the middle of the two groups of fixing frames.

[0013] As a preferred technical solution of the present invention, the rotating shaft passes through one side of the protective sleeve and is sleeved with an extension sleeve, and the extension sleeve is fixed on the outer side wall of the protective sleeve.

[0014] A method for detecting foreign matter in an aluminum foil lunch box comprises the following steps:

[0015] S1. Use a high-resolution camera or sensor to capture images of the aluminum foil lunch box;

[0016] S2. The collected images may have problems such as noise and low contrast, and need to be preprocessed;

[0017] S3, extract key features such as color, shape, and texture from the preprocessed image;

[0018] S4, judging whether there is a foreign body by comparing the extracted features with a preset foreign body feature library;

[0019] S5. When foreign matter is detected, the system will automatically send a signal to control the rejection device on the production line to remove the foreign matter;

[0020] S6. Verify the test results to ensure the accuracy and reliability of the test.

[0021] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0022] 1. The aluminum foil lunch box foreign body detection device and method are provided with a turntable, a rotating shaft, an extension sleeve, a second gear, a first gear and a nut. When the operator rotates the turntable, the turntable drives the second gear to rotate through the rotating shaft, so that the second gear is meshed with the first gear, and the nut is threadedly matched with the first screw rod, so that the first screw rod moves vertically up and down in the nut, so that the first screw rod can push the camera to move through the mounting plate, and the operator can adjust the position of the camera according to the size of the aluminum foil lunch box, so that the camera can take pictures of the complete aluminum foil lunch box.

[0023] 2. The aluminum foil lunch box foreign body detection device and method are provided with a clamping plate, a slider, a traction groove and a spring. When the operator pulls the clamping plate, the clamping plate drives the slider to slide in the traction groove, and the slider squeezes the spring to cause the spring to undergo elastic deformation. After the spring undergoes elastic deformation, the spring avoids the slider, and the clamping plate is separated from the mounting plate. Then the operator inserts the camera mounting block between the clamping plate and the mounting plate. Then the operator releases the clamping plate, and after the clamping plate no longer squeezes the slider through the spring, the clamping plate clamps the camera mounting block on the mounting plate. When the operator installs the camera mounting block, the operator no longer needs to use his hands to push the camera mounting block, thereby improving the convenience of installation for the operator.

[0024] 3. The aluminum foil lunch box foreign body detection device and method are provided with a second screw, a screw block, a stop block and a slot. When the operator takes the protective cover, the protective cover drives the slot sleeve to be set on the surface of the conveyor belt of the detection device. Then the second screw and the threaded sleeve are threadedly matched with each other, so that the stop block and the slot are clamped on the surface of the conveyor belt of the detection device, which is convenient for the operator to install the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front view structural schematic diagram of the present invention;

[0026] Figure 2 It is a side cross-sectional structural schematic diagram of the present invention;

[0027] Figure 3 It is a schematic diagram of the front cross-sectional structure of the first gear and the second gear of the present invention;

[0028] Figure 4 For the present invention Figure 2 A is an enlarged schematic diagram of the cross-sectional structure;

[0029] Figure 5 For the present invention Figure 3 The enlarged cross-sectional structure diagram at B in the middle;

[0030] Figure 6 For the present invention Figure 3 Enlarged cross-sectional structure diagram at point C in the middle.

[0031] Wherein: 1. transmission belt of detection device; 2. support frame; 3. card slot; 4. mounting plate; 5. traction slot; 6. nut; 7. limit plate; 8. fixing frame; 9. first gear; 10. limit rod; 11. first screw rod; 12. turntable; 13. rotating shaft; 14. extension sleeve; 15. protective sleeve; 16. pad; 17. slide slot; 18. guide block; 19. spring; 20. rotating slot; 21. threaded sleeve; 22. screw block; 23. second screw rod; 24. rotating block; 25. stop block; 26. second gear; 27. splint; 28. slider. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, and purpose and efficacy of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials and reagents used in the following embodiments are all commercially available unless otherwise specified.

[0033] Example

[0034] like Figure 1-6The foreign body detection device for aluminum foil lunch box shown in the figure comprises a detection device conveyor belt 1, a support frame 2 is installed on the surface of the detection device conveyor belt 1, and a protective sleeve 15 is welded on the surface of the support frame 2, the protective sleeve 15 and the support frame 2 are penetrated by a first screw rod 11 in sequence, and a nut 6 is threadedly installed on the surface of the first screw rod 11, a first gear 9 is welded on the end surface of the nut 6, and a second gear 26 is meshed on either side of the first gear 9, a rotating shaft 13 passing through one side of the protective sleeve 15 is welded to the middle of the second gear 26, and a turntable 12 is welded to the end of the rotating shaft 13, and a mounting plate 4 is welded to the end of the first screw rod 11. When the operator needs to adjust the height of the camera installed on the mounting plate 4, the operator first holds his hand on the surface of the turntable 12. When the operator holds his hand on the surface of the turntable 12, the operator's hand holds on the surface of the cylindrical rod fixed on either side of the turntable 12 surface, and then operates The author pushes the turntable 12 to rotate through the cylindrical rod. When the turntable 12 rotates, the turntable 12 drives the second gear 26 to rotate through the rotating shaft 13. When the second gear 26 rotates in the protective sleeve 15, the second gear 26 and the first gear 9 are meshed with each other, so that the second gear 26 drives the first gear 9 to rotate, and when the first gear 9 is rotating, the first gear 9 drives the nut 6 to rotate. When the nut 6 rotates, the internal thread opened on the inner wall of the nut 6 and the thread opened on the surface of the first screw rod 11 are threadedly matched with each other, so that the first screw rod 11 moves up and down in the nut 6, and when the first screw 11 moves up and down, the first screw 11 drives the mounting plate 4 to move, so that the mounting plate 4 drives the camera to move up and down, which is convenient for the operator to adjust the position of the camera according to the size of the aluminum foil lunch box, so that the camera can completely shoot the aluminum foil lunch box.

[0035] In other embodiments, the mounting plate 4 is welded with traction grooves 5 all around, and a slider 28 and a spring 19 are respectively arranged inside the traction groove 5, and the two side ends of the spring 19 are respectively abutted between the surface of the slider 28 and the inside of the traction groove 5, and the surface of the slider 28 is welded with a clamping plate 27 that fits on the surface of the traction groove 5. When the operator needs to pre-install the mounting block of the camera, the operator first moves the clamping plate 27, and the clamping plate 27 drives the slider 28 to slide in the traction groove 5, and when the slider 28 moves, the slider 28 squeezes the spring 19 arranged in the traction groove 5, so that the spring 19 undergoes elastic deformation, and after the spring 19 undergoes elastic deformation, the spring 19 avoids the slider 28, and the slider 28 can be moved in the traction groove 5. Slide, so that the clamping plate 27 slides on the surface of the traction groove 5, and the inner wall of the clamping plate 27 moves out from the surface of the mounting plate 4, the clamping plate 27 and the mounting plate 4 are separated, and then the operator inserts the mounting block of the camera between the clamping plate 27 and the mounting plate 4, and then the operator releases the clamping plate 27, and the clamping plate 27 no longer squeezes the spring 19 through the slider 28. After the elastic deformation of the spring 19 is restored, the spring 19 pushes the slider 28 to move, and the slider 28 pushes the clamping plate 27 to move, so that the clamping plate 27 clamps the camera mounting block on the mounting plate 4, which is convenient for pre-installing the camera mounting block on the mounting plate 4. When the operator installs the camera mounting block, the operator no longer needs to use his hands to push the camera mounting block, thereby improving the convenience of the operator's installation.

[0036] In other embodiments, the splint 27 is configured to be in an "L" shape, and a plurality of groups of wavy grooves are provided on the inner side of the "L"-shaped end of the splint 27. By configuring the splint 27 to be in an "L" shape, one side of the splint 27 fits against the surface of the traction groove 5, so that one side of the splint 27 can drive the slider 28 to slide in the traction groove 5, and the other side of the splint 27 is parallel to the mounting plate 4, so that the other side of the splint 27 is convenient for supporting the mounting block of the camera. At the same time, a plurality of groups of wavy grooves are provided on the inner wall of the splint 27, so that the wavy grooves provided on the inner wall of the splint 27 are convenient for increasing the friction between the operator's splint 27 and the camera mounting block, thereby increasing the stability of the splint 27 in pushing the camera mounting block.

[0037] In other embodiments, the protective sleeve 15 is welded with a card slot 3 on one side close to the detection device conveyor belt 1, and a stopper 25 is provided on one side of the card slot 3, a rotating groove 20 is welded on the surface of the stopper 25, and a rotating block 24 is embedded in the rotating groove 20, a second screw 23 is welded on the surface of the rotating block 24, and the second screw 23 passes through one side of the card slot 3, and the second screw 23 passes through one side of the card slot 3 and is sleeved with a threaded sleeve 21 welded on the surface of the card slot 3, and a twisting block 22 is welded at the end of the second screw 23. When the operator needs to install the protective sleeve 15, the operator first takes the protective sleeve 15, and the protective sleeve 15 drives the card slot 3 to move, so that the card slot 3 is sleeved on the surface of the detection device conveyor belt 1, and then the operator rotates the twisting block 22, and the twisting block 22 drives the second screw 23 to rotate, and when the second screw 23 rotates, the second The second screw 23 drives the threads on the surface to cooperate with the internal threads on the inner wall of the threaded sleeve 21, so that the second screw 23 moves horizontally in the threaded sleeve 21, and when the second screw 23 rotates in threaded cooperation with the threaded sleeve 21, the second screw 23 drives the rotating block 24 to rotate in the rotating groove 20, and when the rotating block 24 rotates in the rotating groove 20, the second screw 23 is prevented from driving the stop block 25 to rotate, and when the second screw 23 rotates horizontally again, the second screw 23 pushes the rotating groove 20 to move through the rotating block 24, and the rotating groove 20 pushes the stop block 25 to move, so that the stop block 25 abuts on the surface of the detection device transmission belt 1, and the slot 3 and the stop block 25 are clamped on the detection device transmission belt 1, so that the protective cover 15 is installed on the detection device transmission belt 1, which is convenient for the operator to install the protective cover 15.

[0038] In other embodiments, a pad 16 is hot-melt-bonded to the inner wall of the side of the stopper 25 close to the detection device conveyor belt 1 and the side of the slot 3 away from the stopper 25, and the pad 16 and the surface of the detection device conveyor belt 1 are bonded to each other. The two groups of pads 16 are bonded to the surface of the detection device conveyor belt 1. When the inside of the slot 3 and the stopper 25 are in contact with the surface of the detection device conveyor belt 1, the pad 16 protects the surface of the detection device conveyor belt 1 to prevent the surface of the detection device conveyor belt 1 from being scratched when the inner wall of the slot 3 and the stopper 25 are clamped on the surface of the detection device conveyor belt 1.

[0039] In other embodiments, a guide block 18 is hot-melt-bonded to one side of the pad 16 on the stopper 25, and the surface of the guide block 18 is sleeved with a slide groove 17 opened on the inner wall of the slot 3. When the second screw 23 pushes the stopper 25 to move and the stopper 25 pushes the pad 16 to move, the pad 16 drives the guide block 18 to slide in the slide groove 17. By sliding the guide block 18 in the slide groove 17, the guide block 18 and the slide groove 17 pull the pad 16 to move, thereby improving the stability of the movement of the pad 16 and the stopper 25.

[0040] In other embodiments, a limit plate 7 penetrated by the first screw 11 is welded to the inner wall of the protective sleeve 15, and fixing frames 8 are symmetrically welded to the two side ends of the limit plate 7. A limit rod 10 penetrating the first screw 11 is provided in the middle of the two sets of fixing frames 8. When the first screw 11 moves, the waist-shaped hole opened in the middle of the first screw 11 slides on the surface of the limit rod 10 which is set to be cylindrical, so that the limit rod 10 pulls the moving trajectory of the first screw 11, thereby improving the stability of the movement of the first screw 11. In addition, the limit rod 10 penetrates the first screw 11, and the limit plate 7 limits the limit rod 10 on the first screw 11 through the fixing frame 8, thereby preventing the nut 6 from moving with the first screw 11 when the nut 6 is threadedly engaged with the first screw 11.

[0041] In other embodiments, an extension sleeve 14 is sleeved on one side of the rotating shaft 13 passing through the protective sleeve 15, and the extension sleeve 14 is fixed on the outer wall of the protective sleeve 15. By sleeved on the side of the rotating shaft 13 passing through the protective sleeve 15, the extension sleeve 14 increases the contact area of ​​the rotating shaft 13 passing through the protective sleeve 15, increases the stability of the rotating shaft 13 rotating in the through hole opened on the side of the protective sleeve 15 passed by the rotating shaft 13, and improves the stability of the rotation of the rotating shaft 13.

[0042] A method for detecting foreign matter in an aluminum foil lunch box comprises the following steps:

[0043] S1. Use a high-resolution camera or sensor to capture images of the aluminum foil lunch box. To ensure image quality, it is necessary to select a suitable camera and light source to adapt to different detection scenarios and requirements;

[0044] S2. The collected images may have problems such as noise and low contrast, and need to be preprocessed. The preprocessing steps include denoising, contrast enhancement, grayscale, etc. to improve image quality and reduce the difficulty of subsequent processing;

[0045] S3, extract key features such as color, shape, texture, etc. from the preprocessed image, which will be used for subsequent foreign body recognition and classification;

[0046] S4, by comparing the extracted features with the preset foreign body feature library, determine whether there is a foreign body. This step usually involves machine learning algorithms, such as support vector machines, neural networks, etc., to achieve accurate identification of foreign bodies;

[0047] S5. When foreign matter is detected, the system will automatically send a signal to control the rejection device on the production line to remove the foreign matter. Precise positioning and control are required to ensure the accuracy of the rejection.

[0048] S6. Verify the test results to ensure the accuracy and reliability of the test. At the same time, regularly maintain and update the system to ensure the stability and reliability of the system.

[0049] The above shows and describes the basic principles of the present invention; the main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A foreign body detection device for an aluminum foil lunch box, comprising a detection device conveyor belt (1), characterized in that: A support frame (2) is installed on the surface of the transmission belt (1) of the detection device, and a protective sleeve (15) is fixed on the surface of the support frame (2); the protective sleeve (15) and the support frame (2) are penetrated by a first screw rod (11) in sequence, and a nut (6) is threadedly installed on the surface of the first screw rod (11); a first gear (9) is fixed on the end surface of the nut (6), and a second gear (26) is meshed on either side of the first gear (9); a rotating shaft (13) passing through one side of the protective sleeve (15) is fixed in the middle of the second gear (26), and a rotating disk (12) is fixed at the end of the rotating shaft (13); and a mounting plate (4) is fixed at the end of the first screw rod (11).

2. The foreign body detection device for aluminum foil lunch box according to claim 1, characterized in that: The mounting plate (4) is fixed with a traction groove (5) on all sides, and a slider (28) and a spring (19) are respectively arranged inside the traction groove (5), and the two side ends of the spring (19) are respectively abutted between the surface of the slider (28) and the inside of the traction groove (5), and the surface of the slider (28) is fixed with a clamping plate (27) that is attached to the surface of the traction groove (5).

3. The foreign body detection device for aluminum foil lunch box according to claim 2, characterized in that: The clamping plates (27) are all arranged in an "L" shape, and the inner sides of the "L"-shaped ends of the clamping plates (27) are all provided with a plurality of groups of wave-shaped grooves.

4. The foreign body detection device for aluminum foil lunch box according to claim 1, characterized in that: The protective sleeve (15) is fixed with a slot (3) on one side close to the transmission belt (1) of the detection device, and a stopper (25) is arranged on one side of the slot (3). A rotating groove (20) is fixed on the surface of the stopper (25), and a rotating block (24) is embedded in the rotating groove (20). A second screw (23) is fixed on the surface of the rotating block (24), and the second screw (23) passes through one side of the slot (3). The second screw (23) passes through the slot (3) and is sleeved with a threaded sleeve (21) fixed on the surface of the slot (3). A screw block (22) is fixed at the end of the second screw (23).

5. The foreign body detection device for aluminum foil lunch box according to claim 4, characterized in that: Pads (16) are fixed to the inner walls of the side of the stop block (25) close to the detection device conveyor belt (1) and the side of the card slot (3) away from the stop block (25), and the pads (16) and the surface of the detection device conveyor belt (1) are in contact with each other.

6. The device for detecting foreign matter in an aluminum foil lunch box according to claim 5, characterized in that: A guide block (18) is fixed on one side of the pad (16) fixed on the stop block (25), and a sliding groove (17) provided on the inner side wall of the clamping groove (3) is sleeved on the surface of the guide block (18).

7. The foreign body detection device for aluminum foil lunch box according to claim 1, characterized in that: A limiting plate (7) penetrated by the first screw rod (11) is fixed to the inner wall of the protective sleeve (15), and fixing frames (8) are symmetrically fixed to the two end portions of the limiting plate (7), and limiting rods (10) penetrating the first screw rod (11) are fixed in the middle of the two groups of fixing frames (8).

8. The device for detecting foreign matter in an aluminum foil lunch box according to claim 1, characterized in that: The rotating shaft (13) passes through one side of the protective sleeve (15) and is sleeved with an extension sleeve (14), and the extension sleeve (14) is fixed on the outer side wall of the protective sleeve (15).

9. A method for detecting foreign matter in an aluminum foil lunch box, characterized in that: According to claims 1-7, a foreign body detection device for an aluminum foil lunch box comprises the following steps: S1. Use a high-resolution camera or sensor to capture images of the aluminum foil lunch box; S2. The collected images may have noise and low contrast problems and need to be preprocessed; S3, extract key features such as color, shape, and texture from the preprocessed image; S4, judging whether there is a foreign body by comparing the extracted features with a preset foreign body feature library; S5. When foreign matter is detected, the system will automatically send a signal to control the rejection device on the production line to remove the foreign matter; S6. Verify the test results to ensure the accuracy and reliability of the test.

Images