Intelligent detection system for outer packaging of Hu mutton based on computer vision

Abstract

The present invention relates to the technical field of processing of mutton, and discloses an intelligent detection system for outer packaging of mutton based on computer vision, including a conveyor belt and a controller for conveying products, a detection station is arranged at the conveyor belt, a visual detection module is installed at the detection station to detect the products conveyed on the conveyor belt, the detection module is electrically connected to the signal input end of the controller, a discharge module and a conveying module are respectively installed on both sides of the detection station of the conveyor belt, the discharge module and the conveying module are electrically connected to the controller, the discharge module includes a push plate, and a driving unit for driving the push plate to move along the width direction of the conveyor belt, the conveying module includes a conveying platform, one side of the conveying platform receives the product pushed by the discharge module, and the conveying platform conveys the product to a receiving platform arranged on the other side thereof. The present invention has a simple structure and automatic operation, and is convenient for detecting whether the outer packaging of mutton is qualified during the production of mutton, so as to remove unqualified products.

Description

Technical Field

[0001] The invention relates to the technical field of Hu sheep meat production, and in particular to a Hu sheep meat outer packaging intelligent detection system based on computer vision. Background Art

[0002] Hu sheep are produced in the Taihu Lake Basin, distributed in Huzhou City, Tongxiang City, Jiaxing City, Changxing County, Deqing County, Haining City and Hangzhou Suburbs in Zhejiang Province, Wu County in Jiangsu Province, and some suburban counties in Shanghai. Hu sheep are known for their rapid growth and development, early maturity, estrus in all seasons, multiple births and high production, and beautiful patterns on the lambskin. It is a unique lambskin sheep breed in my country and one of the few white lambskin breeds in the world.

[0003] At present, in the production and processing of Hu mutton food, the product needs to be packaged. Therefore, an intelligent detection system for Hu mutton outer packaging based on computer vision is proposed to improve production efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide an intelligent detection system for outer packaging of mutton based on computer vision to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The computer vision-based intelligent detection system for outer packaging of Hu sheep meat includes a conveyor belt for conveying products and a controller. A detection station is set at the conveyor belt, and a visual detection module is installed at the detection station to detect the products conveyed on the conveyor belt. The detection module is electrically connected to the signal input end of the controller.

[0007] A discharging module and a conveying module are respectively installed on both sides of the detection station of the conveyor belt, and the discharging module and the conveying module are both electrically connected to the controller.

[0008] The unloading module includes a push plate and a driving unit for driving the push plate to move along the width direction of the conveyor belt.

[0009] The conveying module comprises a conveying platform, one side of which receives the product pushed by the unloading module, and the conveying platform conveys the product to the receiving platform arranged on the other side thereof.

[0010] As a further improvement of the above scheme, the driving unit includes a fixed rod fixed to the outside of the conveyor belt, a slot is provided in the fixed rod, a telescopic push rod is fixed to one end of the push plate, and the end of the telescopic push rod away from the push plate is movably inserted into the slot, the push plate is magnetic, and an electromagnet that is magnetically attracted to the push plate is movably arranged directly below the push plate, and a second driving unit that drives the electromagnet to slide is installed below the fixed rod.

[0011] As a further improvement of the above scheme, the second drive unit includes a drive motor and a transmission screw connected to the output shaft of the drive motor, the drive motor is fixed under the fixed rod, and a first mounting plate is spirally fitted on the transmission screw, the first mounting plate is slidably connected to the fixed rod, an electric push rod is fixed on the first mounting plate, and the end of the telescopic rod of the electric push rod is connected to the electromagnet.

[0012] As a further improvement of the above scheme, a guide unit is installed on the electromagnet, and the guide unit includes a guide wheel and a rotating plate, wherein one end of the rotating plate is rotatably connected to the outer side of the electromagnet, and the other end of the rotating plate is rotatably installed with a guide wheel, and the middle part of the rotating plate and the electromagnet are connected by a return spring.

[0013] As a further improvement of the above scheme, the conveying module also includes a rotating support mechanism arranged under the conveying platform, the rotating support mechanism includes a base plate, a side plate fixed to the bottom surface of the conveying platform, a connecting pin rotatably connecting the side plate and the base plate, one end of the connecting pin is fixedly sleeved with a transmission gear, and the rotating support mechanism also includes a rotating drive unit to drive the transmission gear to rotate.

[0014] As a further improvement of the above scheme, the rotation drive unit includes a first tooth plate and a turntable, the first tooth plate and the transmission gear are meshed for transmission, one side of the first tooth plate has an extension portion, the extension portion is provided with a strip hole, a turntable motor is installed on the base plate, the output shaft of the turntable motor is driven and connected to the turntable, a toggle column is eccentrically fixed on the disk surface of the turntable, and the end of the toggle column passes through the strip hole.

[0015] As a further improvement of the above solution, the conveying platform has a notch on one side close to the conveyor belt, a lifting plate that can be raised and lowered is movably provided at the notch, and a lifting drive unit for driving the lifting plate to rise and fall is also provided under the workbench.

[0016] As a further improvement of the above scheme, the lifting drive unit includes a driving member, a movable plate located below the lifting plate, the output end of the driving member is fixed to the movable plate, the movable plate and the lifting plate are fixed by a connecting rod, and the driving member is installed below the workbench.

[0017] As a further improvement of the above solution, a guard plate is longitudinally slidably connected to one side of the lifting plate, the bottom end of the guard plate is located below the lifting plate and is fixed with an elastic movable plate, and the elastic movable plate and the lifting plate are connected by a spring.

[0018] As a further improvement of the above solution, the bottom surface of the workbench is slidably connected with a sliding plate, the driving member is installed on the sliding plate, a second tooth plate is fixed to one side of the sliding plate, and the second tooth plate is transmission-connected to the transmission gear.

[0019] The beneficial effects of the present invention are:

[0020] The detection system proposed in the present invention conveys the products to be inspected through a conveyor belt. The products pass through the inspection station, and the visual inspection module detects whether the products are packaged. If unpackaged or unqualifiedly packaged products are detected, the controller controls the electric push rod to work, driving the electromagnet to move to the side close to the conveyor platform, and the controller controls the electromagnet to be energized and magnetically adsorbed to the push plate, which can drive the push plate to follow the movement through the action of magnetic force. The push plate pushes the products on the conveyor belt to fall onto the lifting plate, thereby completing the intelligent detection of products and completing the removal of unqualified products.

[0021] According to the present invention, when the product falls onto the lifting plate, the driving member drives the lifting plate to rise until it is in the same plane as the top surface of the workbench, and then the motor drives the turntable to rotate, so that the first tooth plate moves accordingly, thereby driving the transmission gear to rotate, and finally the workbench rotates and tilts, so that unqualified products on the lifting plate enter the conveying area formed by conveying rollers, and a plurality of conveying rollers finally convey the products to the storage table to facilitate the next step of processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0023] Figure 1 It is a front view of the overall structure of the present invention;

[0024] Figure 2 It is a partial structural top view of the present invention;

[0025] Figure 3 For the present invention Figure 1 A magnified image of point A;

[0026] Figure 4 For the present invention Figure 1 The enlarged view of point B;

[0027] Figure 5 For the present invention Figure 1 Enlarged view of point C;

[0028] Figure 6 For the present invention Figure 1 Schematic diagram of the local structure.

[0029] In the figure: storage table 1, conveying table 2, bottom plate 3, conveying roller 4, driving member 5, notch 6, lifting plate 7, movable plate 8, conveyor belt 9, push plate 10, telescopic top rod 11, electric push rod 12, first mounting plate 13, transmission screw 14, second mounting plate 15, fixing rod 16, driving motor 17, slot 18, distance sensor 19, 20, 21, main conveying roller 22, side plate 23, first tooth plate 24, connecting pin 25, transmission gear 26, second tooth plate 27, strip hole 29, toggle column 30, turntable 31, positioning pin groove 32, spring 33, positioning pin 33, vertical plate 34, end plate 35, telescopic rod 36, electromagnet 37, guide wheel 39, rotating plate 40, connecting rod 42, elastic movable plate 43, guard plate 44, sliding plate 46. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0031] See also Figure 1-6 The intelligent detection system for outer packaging of Huyang meat based on computer vision includes a conveyor belt 9 for conveying products and a controller. A detection station is set at the conveyor belt 9. A visual detection module is installed at the detection station to detect the products conveyed on the conveyor belt 9. The detection module is electrically connected to the signal input end of the controller. Among them, the visual detection module can use an existing CCD camera to collect video information, so as to facilitate the judgment of whether the product is packaged properly.

[0032] A discharge module and a conveying module are respectively installed on both sides of the detection station of the conveyor belt 9, and the discharge module and the conveying module are both electrically connected to the controller.

[0033] The unloading module includes a push plate 10 and a driving unit for driving the push plate 10 to move along the width direction of the conveyor belt 9 .

[0034] The conveying module includes a conveying platform 2, one side of which receives the products pushed by the unloading module, and the conveying platform 2 conveys the products to the receiving platform 1 arranged on the other side thereof.

[0035] The device is also provided with a distance sensor 19 on the conveying table 2 to detect the position of the push plate 10. When the measured data reaches a set range, the driving unit drives the push plate 10 to reset, and at this time the product is pushed onto the workbench 2 by the push plate 10.

[0036] As a further improvement of the above scheme, the driving unit includes a fixed rod 16 fixed to the outside of the conveyor belt 9, a slot 18 is opened in the fixed rod 16, a telescopic push rod 11 is fixed to one end of the push plate 10, and the end of the telescopic push rod 11 away from the push plate 10 is movably inserted into the slot 18, the push plate 10 is magnetic, and an electromagnet 37 magnetically attracted to the push plate 10 is movably arranged directly below the push plate 10, and a second driving unit for driving the electromagnet 37 to slide is installed below the fixed rod 16.

[0037] As a further improvement of the above scheme, the second driving unit includes a driving motor 17 and a transmission screw 14 connected to the output shaft of the driving motor 17, the driving motor 17 is fixed under the fixed rod 16, and a first mounting plate 13 is spirally fitted on the transmission screw 14, the first mounting plate 13 is slidingly connected to the fixed rod 16, an electric push rod 12 is fixed on the first mounting plate 13, and the end of the telescopic rod 36 of the electric push rod 12 is connected to the electromagnet 37.

[0038] As a further improvement of the above scheme, a guide unit is installed on the electromagnet 37, and the guide unit includes a guide wheel 39 and a rotating plate 40, wherein one end of the rotating plate 40 is rotatably connected to the outer side of the electromagnet 37, and the other end of the rotating plate 40 is rotatably installed with the guide wheel 39, and the middle part of the rotating plate 40 and the electromagnet 37 are connected by a return spring.

[0039] As a further improvement of the above scheme, the conveying module also includes a rotating support mechanism arranged under the conveying platform 2, the rotating support mechanism includes a base plate 3, a side plate 23 fixed to the bottom surface of the conveying platform 2, and a connecting pin 25 rotatably connecting the side plate 23 and the base plate 3, one end of the connecting pin 25 is fixedly sleeved with a transmission gear 26, and the rotating support mechanism also includes a rotating drive unit to drive the transmission gear 26 to rotate.

[0040] As a further improvement of the above scheme, the rotation drive unit includes a first tooth plate 24 and a turntable 31. The first tooth plate 24 and the transmission gear 26 are meshed for transmission. One side of the first tooth plate 24 has an extension portion, and the extension portion is provided with a strip hole 29. A turntable motor is installed on the base plate 3, and the output shaft of the turntable motor is driven and connected to the turntable 31. A toggle column 30 is eccentrically fixed on the disk surface of the turntable 31, and the end of the toggle column 30 passes through the strip hole 29.

[0041] As a further improvement of the above scheme, the conveying platform 2 has a gap 6 on one side close to the conveyor belt 9, and a lifting plate 7 that can be raised and lowered is movably provided at the gap 6. A lifting drive unit for driving the lifting plate 7 to rise and fall is also provided under the workbench 2.

[0042] As a further improvement of the above scheme, the lifting drive unit includes a driving member 5, a movable plate 8 located below the lifting plate 7, the output end of the driving member 5 is fixed to the movable plate 8, the movable plate 8 and the lifting plate 7 are fixed by a connecting rod 42, and the driving member 5 is installed below the workbench 2.

[0043] As a further improvement of the above scheme, a guard plate 44 is longitudinally slidably connected to one side of the lifting plate 7. The bottom end of the guard plate 44 is located below the lifting plate 7 and is fixed with an elastic movable plate 43. The elastic movable plate 43 and the lifting plate 7 are connected by a spring.

[0044] As a further improvement of the above scheme, the bottom surface of the workbench 2 is slidably connected with a sliding plate 46, the driving member 5 is installed on the sliding plate 46, and a second tooth plate 27 is fixed on one side of the sliding plate 46, and the second tooth plate 27 is transmission-connected with the transmission gear 26.

[0045] The detection system proposed in the present device conveys the product to be detected through the conveyor belt 9. When the product passes through the detection station, the visual detection module detects whether the product is packaged. If an unpackaged product is detected, the controller controls the electric push rod 12 to work, driving the electromagnet 37 fixed at the end of the telescopic rod 36 to move to the side close to the conveyor platform 2, and the controller controls the electromagnet 37 to be energized and magnetically adsorbed to the push plate 10, which can drive the push plate to follow the movement through the magnetic force. The push plate pushes the product on the conveyor belt 9 to fall onto the lifting plate 7, thereby intelligently detecting and completing the removal of unqualified products.

[0046] In the present invention, when the product falls onto the lifting plate 7, the driving member 5 drives the lifting plate 7 to rise until it is in the same plane as the top surface of the workbench 2, and then the motor drives the turntable 31 to rotate, so that the first tooth plate 24 moves accordingly, thereby driving the transmission gear 26 to rotate, and finally causing the workbench 2 to rotate and tilt, so that the unqualified products on the lifting plate 7 enter the conveying area formed by the conveying rollers 4, and a plurality of conveying rollers 4 convey the products to the storage table 1.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A computer vision-based intelligent detection system for outer packaging of mutton, comprising a conveyor belt (9) for conveying products and a controller, wherein a detection station is arranged on the conveyor belt (9), and a visual detection module is installed at the detection station to detect the products conveyed on the conveyor belt (9), and the detection module is electrically connected to a signal input terminal of the controller; A discharge module and a conveying module are respectively installed on both sides of the detection station of the conveyor belt (9), and the discharge module and the conveying module are both electrically connected to the controller; The unloading module comprises a push plate (10) and a driving unit for driving the push plate (10) to move along the width direction of the conveyor belt (9); The conveying module comprises a conveying platform (2), one side of the conveying platform (2) receives the product pushed by the unloading module, and the conveying platform (2) conveys the product to a storage platform (1) arranged on the other side thereof; The conveying module further comprises a rotating support mechanism disposed below the conveying platform (2), the rotating support mechanism comprising a bottom plate (3), a side plate (23) fixed to the bottom surface of the conveying platform (2), a connecting pin (25) rotatably connecting the side plate (23) and the bottom plate (3), one end of the connecting pin (25) being fixedly sleeved with a transmission gear (26), and the rotating support mechanism further comprising a rotating drive unit for driving the transmission gear (26) to rotate; The rotary drive unit comprises a first tooth plate (24) and a turntable (31), the first tooth plate (24) and the transmission gear (26) being meshed for transmission, one side of the first tooth plate (24) having an extension portion, the extension portion being provided with a strip-shaped hole (29), a turntable motor being mounted on the bottom plate (3), the output shaft of the turntable motor being drivingly connected to the turntable (31), a toggle post (30) being eccentrically fixed on the turntable (31), the end of the toggle post (30) passing through the strip-shaped hole (29); The conveying platform (2) has a notch (6) on one side close to the conveying belt (9), a lifting plate (7) that can be raised and lowered is movably arranged at the notch (6), and a lifting drive unit that drives the lifting plate (7) to rise and fall is also arranged below the conveying platform (2); The lifting drive unit comprises a driving member (5), a movable plate (8) located below the lifting plate (7), an output end of the driving member (5) is fixed to the movable plate (8), the movable plate (8) and the lifting plate (7) are fixed via a connecting rod (42), and the driving member (5) is installed below the conveying platform (2); A guard plate (44) is longitudinally slidably connected to one side of the lifting plate (7); the bottom end of the guard plate (44) is located below the lifting plate (7) and is fixed with an elastic movable plate (43); the elastic movable plate (43) and the lifting plate (7) are connected via a spring; The bottom surface of the conveying platform (2) is slidably connected to a sliding plate (46), the driving member (5) is mounted on the sliding plate (46), a second toothed plate (27) is fixed to one side of the sliding plate (46), and the second toothed plate (27) is drivingly connected to the transmission gear (26).

2. The intelligent detection system for outer packaging of Hu sheep meat based on computer vision according to claim 1 is characterized in that: The driving unit comprises a fixed rod (16) fixed to the outside of the conveyor belt (9), a slot (18) being provided in the fixed rod (16), a telescopic push rod (11) being fixed to one end of the push plate (10), an end of the telescopic push rod (11) away from the push plate (10) being movably inserted into the slot (18), the push plate (10) being magnetic, and an electromagnet (37) which is magnetically attracted to the push plate (10) being movably provided directly below the push plate (10), and a second driving unit for driving the electromagnet (37) to slide is installed below the fixed rod (16).

3. The computer vision-based intelligent detection system for outer packaging of Hu sheep meat according to claim 2 is characterized in that: The second drive unit comprises a drive motor (17) and a transmission screw (14) connected to an output shaft of the drive motor (17); the drive motor (17) is fixed below a fixed rod (16); a first mounting plate (13) is screwed onto the transmission screw (14); the first mounting plate (13) is slidably connected to the fixed rod (16); an electric push rod (12) is fixed onto the first mounting plate (13); and a distal end of a telescopic rod (36) of the electric push rod (12) is connected to an electromagnet (37).

4. The computer vision-based intelligent detection system for outer packaging of Hu sheep meat according to claim 3 is characterized in that: The electromagnet (37) is mounted with a guide unit, the guide unit comprising a guide wheel (39) and a rotating plate (40), wherein one end of the rotating plate (40) is rotatably connected to the outer side of the electromagnet (37), the other end of the rotating plate (40) is rotatably mounted with the guide wheel (39), and the middle part of the rotating plate (40) and the electromagnet (37) are connected via a return spring.

Images