Sorting line based on visual identification

Abstract

The utility model discloses a sorting line based on visual identification, and particularly relates to the field of sorting equipment, the sorting line comprises a workbench, one side of the top of the workbench is provided with a functional seat, the other side of the interior of the workbench is provided with a material loading box, the middle position of the top of the workbench is provided with a sorting table, and the sorting table is provided with a material loading box. A transverse guide rail is mounted on the side, close to the sorting table, of the functional base, a mounting base is arranged on the side, close to the sorting table, of the transverse guide rail, and a visual detection camera is mounted on the mounting base. Through the arrangement of the turntable lifting frame, the gear motor, the hydraulic telescopic rod, the mounting plate and the flexible clamping plates, during use, the hydraulic telescopic rod can drive the flexible clamping plates on the two sides to get close to clamp an object, then the gear motor works to drive the object to rotate slowly, and at the moment, the visual detection camera can perform visual identification on different surfaces of the object; according to the design, the device can perform visual identification on an object with identification features located on the side face or the bottom, and the applicability is higher.

Description

Technical Field

[0001] The utility model relates to the field of sorting equipment, and more specifically, to a sorting line based on visual recognition. Background Art

[0002] Material sorting equipment is a material handling device. With the improvement of social productivity and the increasing variety of commodities, the sorting of items in the production and circulation fields has become a time-consuming, labor-intensive, large-scale, high-error-rate and complex management department. Therefore, the material sorting equipment has become an important branch of the material handling system and is widely used in post and telecommunications, aviation, food, medicine and other industries, circulation centers and distribution centers.

[0003] After searching, the existing patent (Announcement No.: CN 218133358 U) discloses a material sorting line based on machine vision, including a conveying component; a steering component is installed at the discharge end of the conveying component, and the conveying component is used to drive the items to move to the steering component, and the conveying component is fixedly connected to a support frame above the moving path of the items; a detection lens is fixedly connected to the top of the support frame; the detection lens is used to detect the items on the conveying component; the steering component can rotate horizontally relative to the conveying component. The utility model drives the rotating plate to rotate by the first motor, so that the rotating plate drives the items to rotate, drives the screw rod to rotate by the third motor, and moves the moving plate and the pushing plate through the cooperation of the guide groove, and pushes the items on the rotating plate through the pushing plate, so that the conveying angle of the items is easy to adjust, so that when the device sorts the items, the conveying position can be adjusted according to the user's needs, thereby improving the use range of the device.

[0004] In the existing material sorting equipment, the detection lens is fixedly arranged above the conveyor belt. The detection lens can only complete the recognition when the identification feature of the object is located directly above. When the object is not placed properly or the identification feature is located at the side or bottom, the detection lens cannot recognize it smoothly. Therefore, a structure is needed to locate and flip the object to be detected. At the same time, the above-cited patent document does not propose a relevant solution to solve the flipping problem of the object to be sorted.

[0005] Therefore, a sorting line based on visual recognition is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present utility model provides a sorting line based on visual recognition to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sorting line based on visual recognition, comprising a workbench, a functional seat is installed on one side of the top of the workbench, and a material loading box is arranged on the other side of the inside of the workbench, a sorting table is installed at the middle position of the top of the workbench, and a transverse guide rail is installed on the side of the functional seat close to the sorting table, a mounting seat is arranged on the side of the transverse guide rail close to the sorting table, and a visual detection camera is installed on the mounting seat, a feeding conveyor belt is arranged at one end of the sorting table, and a feeding conveyor belt is connected to the other end of the sorting table, a rotating groove is opened at one end of the top of the sorting table close to the feeding conveyor belt, and a turntable is arranged in the rotating groove;

[0008] Lifting frames are provided on both sides of the top of the turntable, and a fixed plate is provided at one end of the top of the turntable, a first hydraulic push rod is fixed to the end of the fixed plate away from the center of the turntable, and a first push plate is provided at the end of the fixed plate close to the center of the turntable, the output end of the first hydraulic push rod passes through the fixed plate and is connected with the first push plate, a reduction motor is installed on the top of the lifting frame, and a hydraulic telescopic rod is fixed to the output end of the reduction motor through a rotating shaft, a mounting plate is installed on the output end of the hydraulic telescopic rod, and a flexible splint is installed on the side of the mounting plate close to the center of the turntable through a spring.

[0009] Preferably, sorting inner boxes are evenly installed inside the material loading box, and balls are evenly arranged on the bottom of the material loading box, and handles are installed at both ends of the top of the sorting inner box.

[0010] Preferably, feeding rollers are evenly arranged on the top of the sorting table near one end of the feeding conveyor belt, and second hydraulic push rods are evenly installed on the bottom of the functional seat near the feeding roller side, and second push plates are fixed on the output ends of the second hydraulic push rods, and the second push plates correspond one-to-one to the positions of the sorting inner boxes.

[0011] Preferably, guide plates are provided on both sides of the top of the feed conveyor belt, and adjusting screws are evenly installed on the two side plates of the feed conveyor belt, the output ends of the adjusting screws are rotatably connected to the guide plates, and the ends of the guide plates away from the sorting table are of arc-shaped outward expansion design.

[0012] Preferably, a second servo motor is fixed at one end of the transverse guide rail, and a second screw rod is installed inside the transverse guide rail, the output end of the second servo motor is connected to the second screw rod through a rotating shaft, and the second screw rod is sleeved with a second screw rod sleeve matching it, the top and bottom of the transverse guide rail are provided with slots, and the top and bottom ends of the mounting seat are installed with limit plates, and the limit plates pass through the slots and are connected to the second screw rod sleeve.

[0013] Preferably, a control terminal is installed at a middle position of the functional seat away from the sorting table, and an operating table is arranged on the functional seat below the control terminal, and the control terminal adopts a PLC control system.

[0014] Preferably, a vertical guide groove is opened at the middle position inside the functional seat, and a first screw rod is installed in the vertical guide groove, a first servo motor is fixed in the functional seat below the first screw rod, and the output end of the first servo motor is connected to the first screw rod through a rotating shaft, the first screw rod is sleeved with a first screw rod sleeve matched with it, and the first screw rod sleeve is connected to the side wall of the transverse guide rail.

[0015] Preferably, both ends of the functional seat are vertically provided with slide grooves, and sliding blocks matching the shapes thereof are arranged in the slide grooves, and both ends of the transverse guide rails are connected to the sliding blocks via connecting plates.

[0016] Technical effects and advantages of the utility model:

[0017] 1. Compared with the prior art, the sorting line based on visual recognition is provided with a turntable lifting frame, a reduction motor, a hydraulic telescopic rod, a mounting plate and a flexible splint. When in use, the hydraulic telescopic rod is extended to drive the flexible splints on both sides to move closer to the items to be sorted and clamp the items. Then the lifting frame is lifted to provide a suitable space for the rotation of the items. Then the reduction motor drives the hydraulic telescopic rod to rotate, that is, drives the items to rotate slowly. At this time, the visual detection camera can visually identify different sides of the items. This design enables the device to visually identify items with identification features located on the side or bottom, and is more applicable.

[0018] 2. Compared with the existing technology, the sorting line based on visual recognition is equipped with horizontal guide rails and vertical guide grooves. Through the transmission of the screw rod, it can drive the visual detection camera to move forward and backward, or adjust the height, so as to facilitate the accurate identification of objects of different specifications and sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model.

[0020] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0021] Figure 3 This is a schematic diagram of the turntable structure of the utility model.

[0022] Figure 4 This is a structural schematic diagram of the functional seat of the utility model.

[0023] The accompanying drawings are marked as follows: 1, workbench; 2, material loading box; 201, sorting inner box; 202, ball bearing; 3, sorting table; 301, rotating trough; 4, feeding roller; 5, feeding conveyor belt; 6, feeding conveyor belt; 7, material guide plate; 8, adjusting screw; 9, transverse guide rail; 901, slot; 10, functional seat; 1001, vertical guide groove; 1002, slide; 11, control terminal; 12, operating table; 13, first screw rod; 14, first servo motor; 15, first screw rod sleeve ; 16. Second screw sleeve; 17. Second screw; 18. Mounting seat; 1801. Limit plate; 19. Visual detection camera; 20. Stepper motor; 21. Turntable; 22. Lifting frame; 23. Reducer motor; 24. Hydraulic telescopic rod; 25. Flexible splint; 26. Mounting plate; 27. First push plate; 28. Fixed plate; 29. ​​First hydraulic push rod; 30. Second hydraulic push rod; 31. Second push plate; 32. Connecting plate; 33. Slider; 34. Second servo motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] As attached Figure 1 and Figure 2 A sorting line based on visual recognition is shown, comprising a workbench 1, a functional seat 10 is installed on one side of the top of the workbench 1, and a material loading box 2 is arranged on the other side of the inside of the workbench 1, a sorting table 3 is installed at the middle position of the top of the workbench 1, and a transverse guide rail 9 is installed on the side of the functional seat 10 close to the sorting table 3, a mounting seat 18 is arranged on the side of the transverse guide rail 9 close to the sorting table 3, and a visual detection camera 19 is installed on the mounting seat 18, a feeding conveyor belt 5 is arranged at one end of the sorting table 3, and a feeding conveyor belt 6 is connected to the other end of the sorting table 3, a rotating groove 301 is opened at one end of the top of the sorting table 3 close to the feeding conveyor belt 6, and a turntable 21 is arranged in the rotating groove 301;

[0027] Lifting frames 22 are provided on both sides of the top of the turntable 21, and a fixed plate 28 is provided at one end of the top of the turntable 21, a first hydraulic push rod 29 is fixed to the end of the fixed plate 28 away from the center of the turntable 21, and a first push plate 27 is provided at the end of the fixed plate 28 close to the center of the turntable 21, the output end of the first hydraulic push rod 29 passes through the fixed plate 28 and is connected with the first push plate 27, a reduction motor 23 is installed on the top of the lifting frame 22, and a hydraulic telescopic rod 24 is fixed to the output end of the reduction motor 23 through a rotating shaft, a mounting plate 26 is installed at the output end of the hydraulic telescopic rod 24, and a flexible splint 25 is installed on one side of the mounting plate 26 close to the center of the turntable 21 through a spring.

[0028] Among them: the hydraulic telescopic rod 24 is extended to drive the flexible clamps 25 on both sides to move closer to the items to be sorted and clamp the items. The lifting frame 22 is lifted up to provide a suitable space for the rotation of the items. The reduction motor 23 can drive the items to rotate slowly. At this time, the visual detection camera 19 can visually identify different sides of the items. This design enables the device to visually identify items with identification features located on the side or bottom, and is more applicable.

[0029] Embodiment 2

[0030] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0031] As a preferred embodiment, sorting inner boxes 201 are evenly installed inside the loading box 2, and balls 202 are evenly arranged on the bottom of the loading box 2, and handles are installed on both ends of the top of the sorting inner boxes 201; further, the number of sorting inner boxes 201 can be adjusted according to the number of categories of items that need to be sorted, and the ball 202 design makes the loading box 2 easy to move, and the handle design makes the sorting inner boxes 201 easy to take out, so as to facilitate the unloading of the sorted items.

[0032] As a preferred embodiment, a feeding roller 4 is evenly arranged at one end of the top of the sorting platform 3 close to the feeding conveyor belt 5, and a second hydraulic push rod 30 is evenly installed at the bottom of the functional seat 10 close to the feeding roller 4. The output end of the second hydraulic push rod 30 is fixed with a second push plate 31, and the second push plates 31 correspond to the positions of the sorting inner boxes 201 one by one; further, after the items are identified by the visual detection camera 19, they are transferred to the corresponding sorting inner box 201 under the transportation of the feeding roller 4, and then the second hydraulic push rod 30 works to drive the second push plate 31 to move, and push the items into the corresponding sorting inner box 201 to complete the sorting operation.

[0033] As a preferred embodiment, guide plates 7 are provided on both sides of the top of the feed conveyor belt 6, and adjusting screws 8 are evenly installed on the two side plates of the feed conveyor belt 6, the output ends of the adjusting screws 8 are rotatably connected to the guide plates 7, and the ends of the guide plates 7 away from the sorting platform 3 are of arc-shaped outward expansion design; further, the design of the guide plates 7 can arrange the items to be sorted so that they are arranged in a neat row and enter the sorting platform 3, which is convenient for the subsequent clamping of the flexible splint 25, and the design is more reasonable.

[0034] As a preferred embodiment, a second servo motor 34 is fixed to one end of the transverse guide rail 9, and a second screw rod 17 is installed inside the transverse guide rail 9, the output end of the second servo motor 34 is connected to the second screw rod 17 through a rotating shaft, and the second screw rod 17 is sleeved with a second screw rod sleeve 16 that matches it, the top and bottom of the transverse guide rail 9 are provided with slots 901, and the top and bottom of the mounting seat 18 are installed with limit plates 1801, and the limit plates 1801 pass through the slots 901 and are connected to the second screw rod sleeve 16; further, when the second servo motor 34 is working, it can drive the second screw rod 17 to rotate, so that the second screw rod sleeve 16 moves back and forth in the transverse guide rail 9, which is convenient for accurate identification of objects of different specifications and sizes, and the mounting seat 18 is connected to the second screw rod sleeve 16 through the limit plate 1801, so that the mounting seat 18 moves more smoothly on the transverse guide rail 9, is not easy to fall, and is safer to use.

[0035] As a preferred embodiment, a control terminal 11 is installed at the middle position of the functional seat 10 away from the sorting platform 3, and an operating table 12 is arranged on the functional seat 10 below the control terminal 11. The control terminal 11 adopts a PLC control system; further, the control terminal 11 can automatically control the mechanical structures of the device, and also perform manual regulation through the operating table 12, which has stronger applicability.

[0036] As a preferred embodiment, a vertical guide groove 1001 is opened at the middle position inside the functional seat 10, and a first screw rod 13 is installed in the vertical guide groove 1001, a first servo motor 14 is fixed in the functional seat 10 below the first screw rod 13, and the output end of the first servo motor 14 is connected to the first screw rod 13 through a rotating shaft, and a first screw rod sleeve 15 matching with the first screw rod 13 is sleeved on the first screw rod 13, and the first screw rod sleeve 15 is connected to the side wall of the transverse guide rail 9; further, the first servo motor 14 can drive the first screw rod 13 to rotate when it is working, so that the first screw rod sleeve 15 moves up and down in the vertical guide groove 1001, driving the visual detection camera 19 to move up and down, and accurately identifying objects at different heights.

[0037] As a preferred embodiment, both ends of the functional seat 10 are vertically provided with slide grooves 1002, and sliders 33 matching their shapes are provided in the slide grooves 1002, and both ends of the transverse guide rails 9 are connected to the sliders 33 through connecting plates 32; further, the transverse guide rails 9 are connected to the sliders 33 through connecting plates 32, so that the transverse guide rails 9 move more smoothly on the functional seat 10, are less likely to tilt or fall, and are safer to use.

[0038] The working process of the utility model is as follows:

[0039] When in use, the items are first transported to the sorting platform 3 under the action of the feeding conveyor belt 5. When loading, the guide plate 7 can align the items. The items are transported to the turntable 21, and then the visual detection camera 19 visually identifies the upper surface of the items. If the identification can be completed, the sorting operation is directly performed. If the identification cannot be completed, the hydraulic telescopic rod 24 is extended to drive the flexible clamping plates 25 on both sides to move closer to the items to be sorted and clamp the items. The reduction motor 23 works to drive the items to rotate slowly. At this time, the visual detection camera 19 can visually identify different surfaces of the items and sort them. When the stepper motor 20 rotates 90° or 180° according to the identification information, the first hydraulic push rod 29 works when it rotates 90°, driving the first push plate 27 to push the article into the first sorting inner box 201; when the stepper motor 20 rotates 180°, the first hydraulic push rod 29 works, driving the first push plate 27 to push the article onto the feeding roller 4, and the feeding roller 4 conveys the article. Under the conveyance of the feeding roller 4, the article is transferred to the corresponding sorting inner box 201, and then the second hydraulic push rod 30 works, driving the second push plate 31 to move, pushing the article into the corresponding sorting inner box 201, and completing the sorting operation.

[0040] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A sorting line based on visual recognition, comprising a workbench (1), characterized in that; A functional seat (10) is installed on one side of the top of the workbench (1), and a material loading box (2) is arranged on the other side of the inside of the workbench (1); a sorting platform (3) is installed at the middle position of the top of the workbench (1), and a transverse guide rail (9) is installed on the side of the functional seat (10) close to the sorting platform (3); a mounting seat (18) is arranged on the side of the transverse guide rail (9) close to the sorting platform (3), and a visual detection camera (19) is installed on the mounting seat (18); a feeding conveyor belt (5) is arranged at one end of the sorting platform (3), and a feeding conveyor belt (6) is connected to the other end of the sorting platform (3); a rotating groove (301) is opened at one end of the top of the sorting platform (3) close to the feeding conveyor belt (6), and a turntable (21) is arranged in the rotating groove (301); Lifting frames (22) are provided on both sides of the top of the turntable (21), and a fixed plate (28) is provided at one end of the top of the turntable (21); a first hydraulic push rod (29) is fixed to the end of the fixed plate (28) away from the center of the turntable (21), and a first push plate (27) is provided at the end of the fixed plate (28) close to the center of the turntable (21); the output end of the first hydraulic push rod (29) passes through the fixed plate (28) and is connected to the first push plate (27); a reduction motor (23) is installed on the top of the lifting frame (22), and a hydraulic telescopic rod (24) is fixed to the output end of the reduction motor (23) through a rotating shaft; a mounting plate (26) is installed on the output end of the hydraulic telescopic rod (24), and a flexible clamp (25) is installed on one side of the mounting plate (26) close to the center of the turntable (21) through a spring.

2. A visual recognition-based sorting line according to claim 1, characterized in that: The interior of the material loading box (2) is evenly equipped with a sorting inner box (201), and the bottom of the material loading box (2) is evenly provided with balls (202), and handles are installed at both ends of the top of the sorting inner box (201).

3. A visual recognition-based sorting line according to claim 2, characterized in that: A feeding roller (4) is evenly arranged at one end of the top of the sorting platform (3) close to the feeding conveyor belt (5), and a second hydraulic push rod (30) is evenly installed at the bottom of the functional seat (10) close to the feeding roller (4), and a second push plate (31) is fixed to the output end of the second hydraulic push rod (30), and the second push plate (31) corresponds to the position of the sorting inner box (201) one by one.

4. A visual recognition-based sorting line according to claim 1, characterized in that: Guide plates (7) are provided on both sides of the top of the feed conveyor belt (6), and adjusting screws (8) are evenly installed on the two side plates of the feed conveyor belt (6), the output ends of the adjusting screws (8) are rotatably connected to the guide plates (7), and the ends of the guide plates (7) away from the sorting platform (3) are all of arc-shaped outward expansion design.

5. The visual recognition-based sorting line according to claim 1, characterized in that: A second servo motor (34) is fixed to one end of the transverse guide rail (9), and a second screw rod (17) is installed inside the transverse guide rail (9); the output end of the second servo motor (34) is connected to the second screw rod (17) via a rotating shaft, and a second screw rod sleeve (16) matching the second screw rod (17) is sleeved on the second screw rod (17); the top and bottom of the transverse guide rail (9) are provided with slots (901); the top and bottom of the mounting seat (18) are provided with limit plates (1801), and the limit plates (1801) pass through the slots (901) and are connected to the second screw rod sleeve (16).

6. A visual recognition-based sorting line according to claim 1, characterized in that: A control terminal (11) is installed at a middle position of the functional seat (10) away from the sorting platform (3), and an operating table (12) is arranged on the functional seat (10) below the control terminal (11). The control terminal (11) adopts a PLC control system.

7. A visual recognition based sorting line according to claim 1, characterized in that: A vertical guide groove (1001) is provided at a middle position inside the functional seat (10), and a first screw rod (13) is installed in the vertical guide groove (1001); a first servo motor (14) is fixed in the functional seat (10) below the first screw rod (13), and an output end of the first servo motor (14) is connected to the first screw rod (13) via a rotating shaft; a first screw rod sleeve (15) matching with the first screw rod (13) is sleeved on the first screw rod (13), and the first screw rod sleeve (15) is connected to the side wall of the transverse guide rail (9).

8. The visual recognition-based sorting line according to claim 1, characterized in that: Both ends of the functional seat (10) are vertically provided with slide grooves (1002), and the slide grooves (1002) are provided with sliders (33) matching their shapes, and both ends of the transverse guide rails (9) are connected to the sliders (33) via connecting plates (32).

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