Metal detection device for food detection

Abstract

The utility model discloses a metal detection device for food detection, which comprises a conveying belt and transverse screw rod mechanisms, the transverse screw rod mechanisms are symmetrically arranged at the top end of the conveying belt, main electric push rods are arranged at the output ends of the transverse screw rod mechanisms, and main push arms are arranged at the output ends of the main electric push rods. A bearing plate is installed at the top end of the main pushing arm, a supporting plate is installed at the bottom end of the bearing plate, sliding rails are symmetrically installed at the bottom end of the supporting plate, sliding blocks are installed on the surfaces of the sliding rails in a sliding mode, racks are installed on the side walls of the sliding blocks, a movable shaft is installed at the center position of each sliding rail, and the movable shafts are movably connected with the sliding rails. According to the food detection device, metal detection can be conveniently carried out on food in a surrounding mode, unqualified food can be conveniently screened and removed, adaptive detection can be conveniently carried out on food of different sizes, and the detection effect and the convenience of outputting qualified food are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal detection devices, in particular to a metal detection device for food detection. Background Art

[0002] Metal detectors are widely used detectors, mainly divided into three categories: electromagnetic induction type, X-ray detection type, microwave detection type. They are electronic instruments used to detect metals and can be applied in many fields. Foods need to be tested after packaging, and packaged foods containing metals are selected to prevent food containing metals from being delivered to consumers and causing food safety accidents. In order to better detect metals in food, a metal detection device for food detection is proposed.

[0003] For example, a metal detection device for food inspection disclosed in the authorization announcement number CN219850103U includes a conveyor 1 and a counting sensor, the conveyor 1 and the conveyor 2 are arranged adjacent to each other in sequence, one end of the conveyor 1 and the conveyor 2 are rotatably connected, and a cylinder is provided between the bottom of the other end of the conveyor 2 and the bottom of the conveyor 1, and the two ends of the cylinder are respectively at the bottom of the right wall of the conveyor 1 and the bottom of the right side of the conveyor 2;

[0004] Although the metal detector 1 detects the number of metal-containing packages, the counting sensor 1 can count the number of all detected packaging bags, and the metal detector 2 detects whether it contains metal again. If it contains metal, the metal counting sensor 2 counts. With these statistical data, the proportion of metal-containing packages can be known, which can reduce the probability of false detection;

[0005] However, the problem that the existing metal detection device is not conducive to convenient surround metal detection of food and convenient screening and removal of unqualified food when in use, is not conducive to adaptive detection of food of different sizes, which affects the detection effect and the convenience of outputting qualified food. Utility Model Content

[0006] The purpose of the utility model is to provide a metal detection device for food inspection, so as to solve the problem that the metal detection device proposed in the above background technology is not convenient for convenient surround metal detection of food and convenient screening and removal of unqualified food, is not conducive to adaptive inspection of food of different sizes, and affects the inspection effect and the convenience of outputting qualified food.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal detection device for food detection, comprising a conveyor belt and a transverse screw mechanism, the top end of the conveyor belt is symmetrically installed with the transverse screw mechanism, the output end of the transverse screw mechanism is installed with a main electric push rod, the output end of the main electric push rod is installed with a main push arm, the top end of the main push arm is installed with a bearing plate, the bottom end of the bearing plate is installed with a support plate, the bottom end of the support plate is symmetrically installed with a slide rail, the surface of the slide rail is slidably installed with a slider, the side walls of the slider are installed with a rack, a movable shaft is installed at the center position of the slide rail, and the movable shaft is movably connected to the slide rail, the surface of the movable shaft is covered with a gear, and the rack and the gear are meshed with each other, an auxiliary electric push rod is installed on the side wall of the support plate, the output end of the auxiliary electric push rod is installed with an auxiliary push arm, and the auxiliary push arm is connected to a group of sliders, an integrated box is installed at the bottom end of the movable shaft, and two groups of metal detectors are arranged below the integrated box.

[0008] Preferably, a bidirectional threaded rod is installed inside the integrated box, and the bidirectional threaded rod is movably connected to the integrated box.

[0009] Preferably, a servo motor is installed on the side wall of the integrated box, and the output end of the servo motor is connected to the bidirectional threaded rod.

[0010] Preferably, the surface of the bidirectional threaded rod is sleeved with two sets of bidirectional threaded sleeves, and the bidirectional threaded sleeves are threadedly connected to the bidirectional threaded rod.

[0011] Preferably, the bidirectional threaded sleeve is slidably connected to the integrated box, and the bidirectional threaded sleeves are respectively connected to the metal detectors.

[0012] Preferably, a support block is installed on the side wall on one side of the conveyor belt, and a material discharge slope is installed on the side wall on the other side of the conveyor belt.

[0013] Preferably, two groups of lifting cylinders are installed inside the support block, and lifting push arms are installed at the output ends of the lifting cylinders, and L-shaped plates are installed at the top ends of the lifting push arms.

[0014] Preferably, two sets of pushing cylinders are installed inside the L-shaped plate, pushing arms are installed at the output ends of the pushing cylinders, a pushing plate is installed at one end of the pushing arm away from the pushing cylinder, and a baffle plate is installed on the side wall of the L-shaped plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the metal detection device not only realizes convenient surround metal detection of food and convenient screening and removal of unqualified food, but also facilitates the adaptation detection of food of different sizes, and improves the detection effect and the convenience of outputting qualified food;

[0016] The main electric push rod, the load-bearing plate, the support plate, the movable shaft, the integrated box and the metal detector are driven to move to the detection position through the transverse screw mechanism, and the food to be detected is placed on the conveyor belt in turn. The conveyor belt drives the food to move. When the food moves under the metal detector, the conveyor belt stops moving, and the main electric push rod drives the main push arm to move, and the main push arm drives the load-bearing plate and the support plate to move downward, and the support plate drives the movable shaft, the integrated box and the metal detector to move downward, so that the metal detector moves to both sides of the food, and the metal detector performs metal detection on the food, and the auxiliary electric push rod drives the auxiliary push arm to move, and the auxiliary push arm drives a group of sliders to move, and the slider drives a group of The rack moves, and the rack drives the gear to rotate. Another set of racks provides limit support for the gear. The gear drives the movable shaft to rotate, and the movable shaft drives the integrated box and the metal detector to rotate, so as to drive the metal detector to perform surround detection around the food. If the size of the food to be detected is large, the servo motor drives the two-way threaded rod to rotate, and the two-way threaded rod drives the two sets of two-way threaded sleeves to move in opposite directions, and the two-way threaded sleeves respectively drive the metal detectors to move in opposite directions, so as to make the two sets of metal detectors move away from each other, so as to adapt to foods of different sizes, realize convenient surround detection of food, facilitate adaptation detection of foods of different sizes, and improve the detection effect;

[0017] After the food inspection is completed, the conveyor belt drives the food to continue moving. When the food is inspected at the metal detector position, the metal detector will send a signal to the external controller to determine whether there is still metal inside the food. If the food containing metal moves to the push plate position, the lifting cylinder will drive the lifting arm to move downward, and the lifting arm will drive the L-shaped plate and the baffle plate to move downward, so that the baffle plate can intercept the food containing metal, and the pushing cylinder will drive the pushing arm to move, and the pushing arm will drive the pushing plate to move, and the pushing plate will drive the food containing metal to move and slide along the lower slope to the recycling station. The qualified food will be moved and transported to the next station, which realizes the convenient screening and removal of unqualified food and improves the convenience of outputting qualified food. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the support block of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the support plate of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the material baffle plate of the utility model;

[0022] Figure 5It is a schematic diagram of the side cross-sectional structure of the integrated box of the utility model.

[0023] In the figure: 1. Conveyor belt; 2. Horizontal screw mechanism; 3. Main electric push rod; 4. Support block; 5. Main push arm; 6. Loading plate; 7. Support plate; 8. Unloading slope; 9. Auxiliary electric push rod; 10. Auxiliary push arm; 11. Sliding block; 12. Slide rail; 13. Gear; 14. Movable shaft; 15. Integrated box; 16. Rack; 17. Metal detector; 18. Lifting cylinder; 19. Lifting push arm; 20. L-shaped plate; 21. Pushing cylinder; 22. Pushing arm; 23. Pushing plate; 24. Baffle plate; 25. Bidirectional threaded rod; 26. Bidirectional threaded sleeve; 27. Servo motor. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: a metal detection device for food detection, including a conveyor belt 1 and a transverse screw mechanism 2, the top of the conveyor belt 1 is symmetrically installed with the transverse screw mechanism 2, the transverse screw mechanism 2 plays a role of power drive, the output end of the transverse screw mechanism 2 is installed with a main electric push rod 3, the main electric push rod 3 plays a role of power drive, the output end of the main electric push rod 3 is installed with a main push arm 5, the top of the main push arm 5 is installed with a bearing plate 6, the bottom end of the bearing plate 6 is installed with a support plate 7, the bottom end of the support plate 7 is symmetrically installed with a slide rail 12, and the surface of the slide rail 12 is slidably installed There is a slider 11, and racks 16 are installed on the side walls of the slider 11. A movable shaft 14 is installed at the center of the slide rail 12, and the movable shaft 14 is movably connected to the slide rail 12. A gear 13 is set on the surface of the movable shaft 14, and the rack 16 and the gear 13 are meshed with each other. A secondary electric push rod 9 is installed on the side wall of the support plate 7, and the secondary electric push rod 9 plays a role of power drive. A secondary push arm 10 is installed at the output end of the secondary electric push rod 9, and the secondary push arm 10 is connected to a group of sliders 11. An integrated box 15 is installed at the bottom end of the movable shaft 14, and two groups of metal detectors 17 are arranged below the integrated box 15;

[0026] First, the device is connected to an external controller and an external circuit, and the transverse screw mechanism 2 is opened. The transverse screw mechanism 2 drives the main electric push rod 3, the load-bearing plate 6, the support plate 7, the movable shaft 14, the integrated box 15 and the metal detector 17 to move to the detection position. The metal detector 17 is a metal detector of the same type as the model WD-sj302. Its working principle is to detect metal objects through the principle of electromagnetic induction. When there are metal objects within the detection range, the metal detector will sound an alarm. The food to be detected is placed on the conveyor belt 1 in turn, and the conveyor is opened. Belt 1, the food is moved by the conveyor belt 1. When the food moves to the bottom of the metal detector 17, the conveyor belt 1 stops moving, the main electric push rod 3 is opened, the main electric push rod 3 drives the main push arm 5 to move, the main push arm 5 drives the carrying plate 6 and the support plate 7 to move downward, the support plate 7 drives the movable shaft 14, the integrated box 15 and the metal detector 17 to move downward, so that the metal detector 17 moves to both sides of the food, and the metal detector 17 performs metal detection on the food, then the auxiliary electric push rod 9 is opened, the auxiliary electric push rod 9 drives the auxiliary push arm 10 to move, and the auxiliary push rod 9 drives the auxiliary push arm 10 to move. The arm 10 drives a group of sliders 11 to move, and the sliders 11 drive a group of racks 16 to move. Under the mutual meshing of the racks 16 and the gears 13, the racks 16 drive the gears 13 to rotate, and another group of racks 16 provides limited support for the gears 13. The gears 13 drive the movable shaft 14 to rotate, and the movable shaft 14 drives the integrated box 15 and the metal detector 17 to rotate, so as to drive the metal detector 17 to perform surrounding detection around the food, so as to detect the food in an all-round way, so as to improve the detection effect. If the size of the food to be detected is large, the servo motor 27 is turned on. The servo motor 27 drives the bidirectional threaded rod 25 to rotate. Under the threaded connection between the bidirectional threaded rod 25 and the bidirectional threaded sleeve 26, and under the sliding cooperation between the bidirectional threaded sleeve 26 and the integrated box 15, the bidirectional threaded rod 25 drives the two groups of bidirectional threaded sleeves 26 to move in opposite directions, and the bidirectional threaded sleeves 26 respectively drive the metal detectors 17 to move in opposite directions, so that the two groups of metal detectors 17 are separated from each other, so as to adapt to foods of different sizes, realize convenient surrounding detection of foods, facilitate adaptation detection of foods of different sizes, and improve detection effect;

[0027] A bidirectional threaded rod 25 is installed inside the integrated box 15, and the bidirectional threaded rod 25 is movably connected to the integrated box 15. A servo motor 27 is installed on the side wall of the integrated box 15. The servo motor 27 plays a role of power drive, and the output end of the servo motor 27 is connected to the bidirectional threaded rod 25;

[0028] The surface of the bidirectional threaded rod 25 is covered with two sets of bidirectional threaded sleeves 26, and the bidirectional threaded sleeves 26 are threadedly connected to the bidirectional threaded rod 25, the bidirectional threaded sleeves 26 are slidably connected to the integrated box 15, and the bidirectional threaded sleeves 26 are respectively connected to the metal detectors 17;

[0029] A support block 4 is installed on the side wall of one side of the conveyor belt 1, and a material discharge slope 8 is installed on the side wall of the other side of the conveyor belt 1. Two sets of lifting cylinders 18 are installed inside the support block 4. The lifting cylinders 18 play a role of power drive. The output ends of the lifting cylinders 18 are all installed with lifting arms 19, and the tops of the lifting arms 19 are installed with L-shaped plates 20.

[0030] Two sets of push cylinders 21 are installed inside the L-shaped plate 20. The push cylinders 21 play a role of power drive. The output ends of the push cylinders 21 are all installed with push arms 22. The end of the push arm 22 away from the push cylinder 21 is installed with a push plate 23. The side wall of the L-shaped plate 20 is installed with a baffle plate 24.

[0031] When the food inspection is completed, the conveyor belt 1 drives the food to continue to move. When the food is inspected at the metal detector 17 position, the metal detector 17 will send a signal to the external controller to determine whether there is still metal inside the food. If the food containing metal moves to the push plate 23 position, the external controller will open the lifting cylinder 18, and the lifting cylinder 18 will drive the lifting push arm 19 to move downward, and the lifting push arm 19 will drive the L-shaped plate 20 and the baffle plate 24 to move downward, so that the baffle plate 24 can intercept the food containing metal, and open the pushing cylinder 21, and the pushing cylinder 21 will drive the pushing push arm 22 to move, and the pushing push arm 22 will drive the pushing plate 23 to move, and the pushing plate 23 will drive the food containing metal to move and slide along the unloading slope 8 to the recycling station, and the qualified food will be moved and transported to the next station, which realizes the convenient screening and removal of unqualified food and improves the convenience of outputting qualified food.

[0032] Working principle: First, the device is connected to the external controller and the external circuit. The transverse screw mechanism 2 drives the main electric push rod 3, the load plate 6, the support plate 7, the movable shaft 14, the integrated box 15 and the metal detector 17 to move to the detection position. The food to be detected is placed on the conveyor belt 1 in sequence. The conveyor belt 1 drives the food to move. When the food moves to the bottom of the metal detector 17, the conveyor belt 1 stops moving. The main electric push rod 3 drives the main push arm 5 to move. The main push arm 5 drives the load plate 6 and the support plate 7 to move downward. The support plate 7 drives the movable shaft 14, the integrated box 15 The metal detector 17 moves downward to move the metal detector 17 to both sides of the food, and the metal detector 17 detects metal on the food. The auxiliary electric push rod 9 drives the auxiliary push arm 10 to move, and the auxiliary push arm 10 drives a group of sliders 11 to move, and the slider 11 drives a group of racks 16 to move, and the racks 16 drive the gear 13 to rotate, and another group of racks 16 provides limit support for the gear 13, and the gear 13 drives the movable shaft 14 to rotate, and the movable shaft 14 drives the integrated box 15 and the metal detector 17 to rotate, so as to drive the metal detector 17 to perform surrounding detection around the food. If the size of the food to be detected is large, the servo motor 27 drives the bidirectional threaded rod 25 to rotate, and the bidirectional threaded rod 25 drives the two sets of bidirectional threaded sleeves 26 to move towards each other, and the bidirectional threaded sleeves 26 respectively drive the metal detectors 17 to move towards each other, so that the two sets of metal detectors 17 are separated from each other, so as to adapt to food of different sizes. When the food is detected, the conveyor belt 1 drives the food to continue to move. When the food is detected at the position of the metal detector 17, the metal detector 17 sends a signal to the external controller to determine whether there is still metal inside the food. If the food contains metal, When the object moves to the position of the pushing plate 23, the lifting cylinder 18 drives the lifting arm 19 to move downward, and the lifting arm 19 drives the L-shaped plate 20 and the blocking plate 24 to move downward, so that the blocking plate 24 can intercept the food containing metal, and the pushing cylinder 21 is opened, and the pushing cylinder 21 drives the pushing arm 22 to move, and the pushing arm 22 drives the pushing plate 23 to move, and the pushing plate 23 drives the food containing metal to move and slide along the unloading slope 8 to the recovery station, and the qualified food is moved and transported to the next station to complete the use of the metal detection device for food detection.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A metal detection device for food inspection, comprising a conveyor belt (1) and a transverse screw mechanism (2), characterized in that: A transverse screw mechanism (2) is symmetrically mounted on the top of the conveyor belt (1), a main electric push rod (3) is mounted on the output end of the transverse screw mechanism (2), a main push arm (5) is mounted on the output end of the main electric push rod (3), a bearing plate (6) is mounted on the top of the main push arm (5), a support plate (7) is mounted on the bottom end of the bearing plate (6), a slide rail (12) is symmetrically mounted on the bottom end of the support plate (7), a slider (11) is slidably mounted on the surface of the slide rail (12), a rack (16) is mounted on the side wall of the slider (11), and the slide rail (12) is symmetrically mounted on the bottom end of the support plate (7). ) is installed at the center position of the movable shaft (14), and the movable shaft (14) is movably connected to the slide rail (12), the surface of the movable shaft (14) is covered with a gear (13), and the rack (16) and the gear (13) are meshed with each other, a secondary electric push rod (9) is installed on the side wall of the support plate (7), an auxiliary push arm (10) is installed at the output end of the secondary electric push rod (9), and the secondary push arm (10) is connected to a group of slide blocks (11), an integrated box (15) is installed at the bottom end of the movable shaft (14), and two groups of metal detectors (17) are arranged below the integrated box (15).

2. A metal detection device for food inspection according to claim 1, characterized in that: A bidirectional threaded rod (25) is installed inside the integrated box (15), and the bidirectional threaded rod (25) is movably connected to the integrated box (15).

3. A metal detection device for food inspection according to claim 1, characterized in that: A servo motor (27) is installed on the side wall of the integrated box (15), and the output end of the servo motor (27) is connected to the bidirectional threaded rod (25).

4. A metal detection device for food inspection according to claim 2, characterized in that: Two sets of bidirectional threaded sleeves (26) are sleeved on the surface of the bidirectional threaded rod (25), and the bidirectional threaded sleeves (26) are threadedly connected to the bidirectional threaded rod (25).

5. A metal detection device for food inspection according to claim 4, characterized in that: The bidirectional threaded sleeve (26) is slidably connected to the integrated box (15), and the bidirectional threaded sleeve (26) is respectively connected to the metal detector (17).

6. A metal detection device for food inspection according to claim 1, characterized in that: A support block (4) is installed on the side wall on one side of the conveyor belt (1), and a material discharge slope (8) is installed on the side wall on the other side of the conveyor belt (1).

7. A metal detection device for food inspection according to claim 6, characterized in that: Two groups of lifting cylinders (18) are installed inside the support block (4), and lifting push arms (19) are installed at the output ends of the lifting cylinders (18), and an L-shaped plate (20) is installed at the top end of the lifting push arms (19).

8. A metal detection device for food inspection according to claim 7, characterized in that: Two sets of push cylinders (21) are installed inside the L-shaped plate (20), and push arms (22) are installed at the output ends of the push cylinders (21). A push plate (23) is installed at one end of the push arm (22) away from the push cylinders (21), and a baffle plate (24) is installed on the side wall of the L-shaped plate (20).

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