CN113617681B - Screening equipment based on computer vision recognition - Google Patents
Screening equipment based on computer vision recognition Download PDFInfo
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- CN113617681B CN113617681B CN202110965239.2A CN202110965239A CN113617681B CN 113617681 B CN113617681 B CN 113617681B CN 202110965239 A CN202110965239 A CN 202110965239A CN 113617681 B CN113617681 B CN 113617681B
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- mounting frame
- conveying line
- electric telescopic
- telescopic rod
- screening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0081—Sorting of food items
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model relates to the technical field of screening equipment, in particular to screening equipment based on computer vision identification, which comprises a bottom plate, a first conveying line, a fourth mounting frame, a cylinder, a fifth mounting frame, a third conveying line and a fourth camera, wherein the bottom plate is provided with a first camera; a third mounting frame is arranged on the second mounting frame, and an induction component is arranged on the third mounting frame; the supporting rod is arranged on the first conveying line; the support disc is rotatably arranged at the top of the support rod; the iron ring is arranged on the supporting disc; two groups of first cameras and one group of second cameras are arranged in the third mounting frame; a first power assembly for placing the cylinder body on the iron ring is arranged on the fourth mounting frame, a magnetic ring is arranged at the bottom of the cylinder body, and the top of the cylinder body is closed; a second power assembly for taking down the cylinder and pushing the cylinder onto the third conveying line is arranged in the fifth mounting frame; the fourth camera is located directly above the third conveyor line. According to the utility model, the screening body is comprehensively identified by the camera, so that the condition that the bottom of the screening body cannot be identified is avoided, and the accuracy of camera identification is improved.
Description
Technical Field
The utility model relates to the technical field of screening equipment, in particular to screening equipment based on computer vision identification.
Background
The computer vision is to simulate the biological vision by using a camera, a computer and other related equipment, and the main task of the computer vision is to process the acquired pictures or videos to obtain three-dimensional information of corresponding scenes, and further process the three-dimensional information into images which are more suitable for human eyes to observe or transmit to an instrument to detect. The computer vision recognition technology is widely applied to various screening industries, recognition and screening of objects are automatically completed through computer vision, a large amount of labor cost is saved, and screening efficiency can be improved, for example, a fruit conveying line can be used for recognizing by utilizing a computer when good products and defective products are required to be screened separately, but the fruit on the existing vibration conveying line is difficult to photograph and recognize, so that the screening effect is reduced.
The utility model discloses an automatic apple appearance quality grading device based on a computer vision technology, which is provided by Chinese patent publication No. CN206229716U, and is characterized in that an image on the surface of an apple is collected, the collected image is sent to a computer for processing, the processing result is immediately judged according to an apple classification standard, and finally judging information is sent to a control console for grading by the automatic grading device, but the apple is placed in a groove of a conveying belt, the bottom of the apple cannot be photographed, the contact vicinity of the apple and the conveying belt cannot be identified by the computer, and the problem of poor selecting effect still exists.
Disclosure of Invention
The utility model aims at solving the problem that computer vision identification is incomplete in the background technology, and provides screening equipment based on the computer vision identification.
In one aspect, the utility model provides screening equipment based on computer vision recognition, which comprises a bottom plate, a first conveying line, a fourth mounting frame, a screening body placement component, a cylinder, a fifth mounting frame, a third conveying line and a fourth camera; the screening body placing component comprises a supporting rod, a supporting disc, a screening body and an iron ring;
a first mounting frame and a second mounting frame are vertically arranged on the bottom plate, a first power device for driving the first conveying line to move is arranged on the first mounting frame, a third mounting frame is arranged on the second mounting frame, the first conveying line passes through the third mounting frame, and an induction component for detecting the position of the supporting disc is arranged on the right side surface of the third mounting frame; the supporting rod is vertically arranged on the first conveying line; the supporting disc is horizontally and rotatably arranged at the top of the supporting rod; the screening body is placed on the supporting plate; the iron ring is arranged on the supporting disc; the screening body placement components are arranged in parallel on the first conveying line; two groups of first cameras and one group of second cameras are arranged in the third mounting frame, the two groups of first cameras are respectively positioned at two sides of the screening body, and the second cameras are positioned above the first conveying line; the fourth mounting frame is arranged on the third mounting frame, a first power assembly for placing the cylinder body on the iron ring is arranged on the fourth mounting frame, a magnetic ring is arranged at the bottom of the cylinder body, the top of the cylinder body is closed, and an iron plate is arranged at the closed end of the cylinder body; the fifth mounting frame is arranged on the bottom plate, a through hole is formed in the top of the fifth mounting frame, and a second power assembly for taking down the cylinder body and pushing the cylinder body onto the third conveying line is arranged in the fifth mounting frame; the bottom of the first mounting frame is provided with a second power device for driving the third conveying line to move; the fourth camera is arranged on the fifth mounting frame and is positioned right above the third conveying line; the bottom plate is provided with a pushing component for pushing down unqualified screening bodies together with the cylinder; the screening equipment is also provided with a control system, and a timing module is arranged in the control system.
Preferably, the camera further comprises external teeth, a rack and a third camera; the outer teeth are arranged on the peripheral wall of the supporting disc, and a plurality of groups of outer teeth are equidistantly arranged along the peripheral wall of the supporting disc; the rack is arranged on the inner wall of the third mounting frame, the rack is arranged along the conveying direction of the first conveying line, and the rack is meshed with the external teeth; the third cameras are arranged on the inner wall of the third mounting frame in two groups, the two groups of third cameras are symmetrical relative to the first conveying line, and the third cameras are positioned in front of the first cameras in the conveying direction of the first conveying line.
Preferably, the first power assembly comprises a first electric telescopic rod, a second conveying line and a vertical cylinder; the fourth mounting frame is a U-shaped plate, the opening of a U-shaped groove of the U-shaped plate faces downwards, and the fourth mounting frame is positioned in front of the third mounting frame in the advancing direction of the first conveying line; the first electric telescopic rod is arranged on the inner wall of the fourth mounting frame, the end part of the first electric telescopic rod is provided with a push plate, the push plate faces to a group of cylinders, and the telescopic direction of the first electric telescopic rod is parallel to the advancing direction of the first conveying line; the second conveying line passes through the fourth mounting frame, the second conveying line is vertical to the first conveying line, and a plurality of groups of cylinders are arranged on the second conveying line in parallel; the vertical section of thick bamboo is vertical to be set up on the fourth mounting bracket inner wall, and the vertical section of thick bamboo sets up the arc wall towards one side of barrel, and the barrel passes the arc wall and gets into in the vertical section of thick bamboo and fall on the hoop.
Preferably, the second power assembly comprises a second electric telescopic rod, an electromagnet and a third electric telescopic rod; the second electric telescopic rod is vertically arranged on the inner side of the bottom of the fifth installation frame; the electromagnet is arranged at the top of the second electric telescopic rod and is positioned at the inner side of the inner peripheral surface of the through hole; the third electric telescopic rod is horizontally arranged on the inner wall of the fifth installation frame, and the telescopic direction of the third electric telescopic rod faces the third conveying line.
Preferably, the pushing assembly comprises a support column, a second support plate, a third support plate and a fourth electric telescopic rod; the support columns are vertically arranged on the bottom plate, two groups of support columns are arranged, and the two groups of support columns are respectively positioned at two sides of the third conveying line; the second supporting plates are arranged in two groups and are respectively and horizontally arranged at the tops of the two groups of supporting columns, the two groups of second supporting plates are symmetrical about the third conveying line, and the second supporting plates are perpendicular to the conveying direction of the third conveying line; the third supporting plate is arranged on a group of second supporting plates; the fourth electric telescopic rod is arranged on the end face, facing the third conveying line, of the third supporting plate, the telescopic direction of the fourth electric telescopic rod is perpendicular to the conveying direction of the third conveying line, and a push plate is arranged at the end part of the fourth electric telescopic rod.
Preferably, the sensing assembly comprises a first support plate and a photoelectric sensor; the first backup pad sets up on the terminal surface of third mounting bracket right side, and photoelectric sensor sets up on the terminal surface of first backup pad orientation first transfer chain.
Preferably, the upper end surface of the supporting disc is provided with a groove, and the bottom of the screening body is contacted with the inner wall of the groove; the iron ring is positioned at the periphery of the groove.
On the other hand, the utility model provides a screening method of the screening equipment based on the computer vision recognition, which comprises the following steps: s1, placing screening bodies on supporting plates, wherein one supporting plate corresponds to one screening body, and a first conveying line drives the screening bodies to move forwards; s2, the supporting disc enters a third installation frame, two groups of first cameras are used for carrying out camera identification on two sides of the screening body, and a second camera is used for carrying out camera identification on the upper side of the screening body to judge whether a defective area exists or not; s3, the external teeth are meshed with the racks to enable the supporting plate to rotate ninety degrees, and two groups of third cameras are used for carrying out camera identification on the other two sides of the screening body to judge whether a defective area exists or not; s4, the screening body moves out of the third mounting frame, the photoelectric sensor detects that the supporting disc is in place, the first conveying line stops moving, the first electric telescopic rod pushes the cylinder body to enter the vertical cylinder and fall onto the iron ring, the magnetic ring and the iron ring are attracted to fix the cylinder body, and the first conveying line continues moving; s5, rotating the cylinder by one hundred eighty degrees along with the rotation of the first conveying line, enabling the screening body to fall to the inner side of the bottom of the cylinder, and enabling the electromagnet to be electrified to adsorb the iron plate so as to separate the cylinder from the iron ring; s6, the second electric telescopic rod is contracted downwards, the electromagnet is powered off after the second electric telescopic rod is contracted to the lowest point, and then the third electric telescopic rod pushes the cylinder body onto a third conveying line; s7, a fourth camera performs camera identification on the upper part of the screening body, and judges whether a defective area exists or not, wherein the upper part of the screening body is actually the bottom relative to the screening body in the initial state; s8, any one of the first camera, the second camera, the third camera and the fourth camera recognizes that a defective area exists on the screening body, the fourth electric telescopic rod pushes the screening body and the cylinder body to the second supporting plate together, and the screening body of good products is conveyed forward along with the third conveying line.
Compared with the prior art, the utility model has the following beneficial technical effects: the screening body carries out surface recognition through first camera and second camera at first, and then rotates ninety degrees and carries out the camera recognition of other sides through the third camera further, and one hundred eighty degrees of upset make the bottom surface upwards at last carries out the camera recognition to the screening body bottom surface through the fourth camera, does not have the condition that screening body bottom can't discern, has improved the degree of accuracy of camera recognition.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a top cross-sectional view of FIG. 1;
FIG. 4 is an enlarged schematic view at A in FIG. 2;
fig. 5 is a flow chart of a screening method.
Reference numerals: 1. a bottom plate; 2. a first mounting frame; 3. a second mounting frame; 4. a first conveyor line; 5. a third mounting frame; 6. a support rod; 7. a support plate; 8. a groove; 9. screening; 10. an iron ring; 11. a first camera; 12. a second camera; 13. a fourth mounting bracket; 14. a first electric telescopic rod; 15. a second conveyor line; 16. a cylinder; 17. an iron plate; 18. a vertical cylinder; 19. an arc-shaped groove; 20. a fifth mounting bracket; 21. a through hole; 22. a second electric telescopic rod; 23. an electromagnet; 24. a third electric telescopic rod; 25. a third conveyor line; 26. a support column; 27. a second support plate; 28. a third support plate; 29. a fourth electric telescopic rod; 30. a first support plate; 31. a photoelectric sensor; 32. external teeth; 33. a rack; 34. a third camera; 35. and a fourth camera.
Detailed Description
Example 1
As shown in fig. 1 to 4, the screening apparatus based on computer vision recognition provided by the present utility model includes a base plate 1, a first conveying line 4, a screening body placement assembly, a fourth mounting frame 13, a cylinder 16, a fifth mounting frame 20, a third conveying line 25, and a fourth camera 35; the screening body placing component comprises a supporting rod 6, a supporting disc 7, a screening body 9 and an iron ring 10;
the first mounting frame 2 and the second mounting frame 3 are vertically arranged on the bottom plate 1, a first power device for driving the first conveying line 4 to move is arranged on the first mounting frame 2, the third mounting frame 5 is arranged on the second mounting frame 3, the first conveying line 4 passes through the third mounting frame 5, and an induction component for detecting the position of the supporting disc 7 is arranged on the right side surface of the third mounting frame 5; the supporting rod 6 is vertically arranged on the first conveying line 4; the supporting disc 7 is horizontally and rotatably arranged at the top of the supporting rod 6; the screening body 9 is placed on the support plate 7; the iron ring 10 is arranged on the supporting disk 7; the screening body placement components are arranged in parallel on the first conveying line 4; two groups of first cameras 11 and a group of second cameras 12 are arranged in the third mounting frame 5, the two groups of first cameras 11 are respectively positioned at two sides of the screening body 9, and the second cameras 12 are positioned above the first conveying line 4; the fourth mounting frame 13 is arranged on the third mounting frame 5, a first power assembly for placing the cylinder 16 on the iron ring 10 is arranged on the fourth mounting frame 13, a magnetic ring is arranged at the bottom of the cylinder 16, and an iron plate 17 is arranged at the top of the cylinder 16 and at the closed end; the fifth mounting frame 20 is arranged on the bottom plate 1, a through hole 21 is formed in the top of the fifth mounting frame 20, and a second power assembly for taking down the cylinder 16 and pushing the cylinder onto the third conveying line 25 is arranged in the fifth mounting frame 20; the bottom of the first mounting frame 2 is provided with a second power device for driving the third conveying line 25 to move; the fourth camera 35 is disposed on the fifth mount 20 and directly above the third conveyor line 25; the bottom plate 1 is provided with a pushing component for pushing down the unqualified screening body 9 together with the cylinder 16; the screening equipment is also provided with a control system, and a timing module is arranged in the control system.
The working procedure of this embodiment is: screening body 9 is placed on supporting plate 7, and a supporting plate 7 corresponds a screening body 9, first transfer chain 4 drives screening body 9 and moves forward, in the supporting plate 7 gets into third mounting bracket 5, two sets of first cameras 11 carry out camera discernment to screening body 9 both sides, second camera 12 carries out camera discernment to screening body 9 top, judge whether there is the defective region, screening body 9 shifts out third mounting bracket 5, after sensing assembly detects supporting plate 7 in place, first transfer chain 4 stops moving, first power component promotes barrel 16 and falls onto hoop 10, the magnetic ring is fixed barrel 16 with hoop 10 actuation, first transfer chain 4 continues to move, along with first transfer chain 4 rotation one hundred eighty degrees, barrel 16 falls barrel 16 bottom inboard, second power component takes down barrel 16 and promotes barrel 16 to third transfer chain 25, fourth camera 35 carries out camera discernment to screening body 9 top, judge whether defective region has, the top of screening body 9 is the bottom for the screening body of initial state this moment, first camera 11, second camera 12 and fourth camera 35 and any of them discernment 9 top of the two-phase camera are carried out the defective region with the barrel 25, follow the real life of the barrel 16 and carry out the screening body is carried out to the screening body 25, follow the complete the screening of the defective region. In this embodiment, the first camera 11, the second camera 12 and the fourth camera 35 are used for performing overall camera recognition on the screening body 9, so that the condition that the bottom of the screening body 9 cannot be recognized is avoided, and the accuracy of camera recognition is improved.
The upper end face of the supporting disc 7 is provided with a groove 8, and the bottom of the screening body 9 is contacted with the inner wall of the groove 8; the iron ring 10 is arranged on the periphery of the groove 8, so that the screening body 9 is placed more stably.
The sensing assembly comprises a first support plate 30 and a photosensor 31; the first backup pad 30 sets up on the right side terminal surface of third mounting bracket 5, and photoelectric sensor 31 sets up on the terminal surface of first backup pad 30 towards first transfer chain 4, can detect through photoelectric sensor 31 that supporting disk 7 is in place.
Example two
As shown in fig. 2-4, the screening apparatus based on computer vision recognition according to the present utility model further includes external teeth 32, racks 33 and a third camera 34 as compared with the first embodiment; the external teeth 32 are arranged on the peripheral wall of the support disc 7, and a plurality of groups of external teeth 32 are equidistantly arranged along the peripheral wall of the support disc 7; the rack 33 is arranged on the inner wall of the third mounting frame 5, the rack 33 is arranged along the conveying direction of the first conveying line 4, and the rack 33 is meshed with the external teeth 32; the third cameras 34 are arranged in two groups on the inner wall of the third mounting frame 5, the two groups of third cameras 34 are symmetrical with respect to the first conveying line 4, and the third cameras 34 are positioned in front of the first cameras 11 in the conveying direction of the first conveying line 4.
In this embodiment, the external teeth 32 are meshed with the racks 33 to enable the supporting disc 7 to rotate ninety degrees, and the two groups of third cameras 34 are used for carrying out camera recognition on the other two sides of the screening body 9 to judge whether a defective area exists or not, so that the comprehensiveness of carrying out camera recognition on the outer surface of the screening body 9 is further improved.
Example III
As shown in fig. 1, in the screening apparatus based on computer vision recognition according to the present utility model, compared with the first embodiment, the first power assembly includes the first electric telescopic rod 14, the second conveying line 15 and the vertical tube 18; the fourth mounting frame 13 is a U-shaped plate, the U-shaped groove of the U-shaped plate is downward, and the fourth mounting frame 13 is positioned in front of the third mounting frame 5 in the advancing direction of the first conveying line 4; the first electric telescopic rod 14 is arranged on the inner wall of the fourth mounting frame 13, a push plate is arranged at the end part of the first electric telescopic rod 14, the push plate faces a group of cylinders 16, and the telescopic direction of the first electric telescopic rod 14 is parallel to the advancing direction of the first conveying line 4; the second conveying line 15 passes through the fourth mounting frame 13, the second conveying line 15 is perpendicular to the first conveying line 4, and a plurality of groups of cylinders 16 are arranged on the second conveying line 15 in parallel; the vertical tube 18 is vertically arranged on the inner wall of the fourth mounting frame 13, an arc-shaped groove 19 is arranged on one side of the vertical tube 18 facing the tube 16, and the tube 16 passes through the arc-shaped groove 19, enters the vertical tube 18 and falls onto the iron ring 10.
In this embodiment, the screening body 9 moves out of the third mounting frame 5, after the sensing assembly detects that the supporting disc 7 is in place, the first conveying line 4 stops moving, the first electric telescopic rod 14 pushes the cylinder 16 to enter the vertical cylinder 18 and fall onto the iron ring 10, and the magnetic ring is attracted with the iron ring 10 to fix the cylinder 16, so that the first conveying line 4 continues moving.
Example IV
As shown in fig. 2, in comparison with the first embodiment, the second power assembly of the screening apparatus based on computer vision recognition according to the present utility model includes a second electric telescopic rod 22, an electromagnet 23 and a third electric telescopic rod 24; the second electric telescopic rod 22 is vertically arranged on the inner side of the bottom of the fifth mounting frame 20; the electromagnet 23 is arranged at the top of the second electric telescopic rod 22, and the electromagnet 23 is positioned at the inner side of the inner peripheral surface of the through hole 21; the third electric telescopic rod 24 is horizontally arranged on the inner wall of the fifth mounting frame 20, and the telescopic direction of the third electric telescopic rod 24 faces the third conveying line 25.
In this embodiment, as the first conveyor line 4 rotates, the drum 16 rotates one hundred eighty degrees, the screening body 9 falls to the inner side of the bottom of the drum 16, the electromagnet 23 is energized to attract the iron plate 17, the drum 16 is separated from the iron ring 10, the second electric telescopic rod 22 is contracted downwards, the electromagnet 23 is de-energized after being contracted to the lowest point, and then the third electric telescopic rod 24 pushes the drum onto the third conveyor line 25.
Example five
As shown in fig. 1, in comparison with the first embodiment, the pushing assembly of the screening apparatus based on the computer vision recognition according to the present utility model includes a support column 26, a second support plate 27, a third support plate 28 and a fourth electric telescopic rod 29; the support columns 26 are vertically arranged on the bottom plate 1, two groups of support columns 26 are arranged, and the two groups of support columns 26 are respectively positioned on two sides of the third conveying line 25; the second supporting plates 27 are arranged in two groups, the two groups of second supporting plates 27 are respectively and horizontally arranged at the tops of the two groups of supporting columns 26, the two groups of second supporting plates 27 are symmetrical about the third conveying line 25, and the second supporting plates 27 are perpendicular to the conveying direction of the third conveying line 25; the third support plate 28 is provided on a set of second support plates 27; the fourth electric telescopic rod 29 is arranged on the end face of the third supporting plate 28 facing the third conveying line 25, the telescopic direction of the fourth electric telescopic rod 29 is perpendicular to the conveying direction of the third conveying line 25, and a push plate is arranged at the end part of the fourth electric telescopic rod 29.
In this embodiment, the camera recognizes that there is a defective area on the screening body 9, and the fourth electric telescopic rod 29 pushes the screening body 9 and the cylinder 16 together onto the second support plate 27, so that the good screening body 9 is conveyed forward along with the third conveying line 25.
Example six
The screening method of the screening equipment embodiment based on the computer vision recognition comprises the following steps:
s1, placing screening bodies 9 on supporting plates 7, wherein one supporting plate 7 corresponds to one screening body 9, and a first conveying line 4 drives the screening bodies 9 to move forwards;
s2, the supporting plate 7 enters the third mounting frame 5, two groups of first cameras 11 are used for carrying out camera identification on two sides of the screening body 9, and a second camera 12 is used for carrying out camera identification on the upper side of the screening body 9 to judge whether a defective area exists or not;
s3, the external teeth 32 are meshed with the racks 33 to enable the supporting disc 7 to rotate ninety degrees, and two groups of third cameras 34 are used for carrying out camera identification on the other two sides of the screening body 9 to judge whether a defective area exists or not;
s4, the screening body 9 moves out of the third mounting frame 5, after the photoelectric sensor 31 detects that the supporting disc 7 is in place, the first conveying line 4 stops moving, the first electric telescopic rod 14 pushes the cylinder 16 to enter the vertical cylinder 18 and fall onto the iron ring 10, the magnetic ring is attracted with the iron ring 10 to fix the cylinder 16, and the first conveying line 4 continues moving;
s5, rotating the cylinder 16 by one hundred eighty degrees along with the rotation of the first conveying line 4, enabling the screening body 9 to fall to the inner side of the bottom of the cylinder 16, and enabling the electromagnet 23 to be electrified to adsorb the iron plate 17 so as to separate the cylinder 16 from the iron ring 10;
s6, the second electric telescopic rod 22 is contracted downwards, the electromagnet 23 is powered off after the second electric telescopic rod is contracted to the lowest point, and then the third electric telescopic rod 24 pushes the cylinder body to the third conveying line 25;
s7, the fourth camera 35 carries out camera recognition on the upper part of the screening body 9, and judges whether a defective area exists or not, and at the moment, the upper part of the screening body 9 is actually the bottom relative to the screening body in the initial state;
s8, any one of the first camera 11, the second camera 12, the third camera 34 and the fourth camera 35 recognizes that a defective area exists on the screening body 9, the fourth electric telescopic rod 29 pushes the screening body 9 and the cylinder 16 onto the second supporting plate 27 together, and the screening body 9 with good products is conveyed forward along with the third conveying line 25.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (4)
1. The screening device based on the computer vision recognition is characterized by comprising a bottom plate (1), a first conveying line (4), a screening body placement assembly, a fourth mounting frame (13), a cylinder (16), a fifth mounting frame (20), a third conveying line (25), external teeth (32), racks (33), a third camera (34) and a fourth camera (35); the screening body placement component comprises a supporting rod (6), a supporting disc (7), a screening body (9) and an iron ring (10);
a first mounting frame (2) and a second mounting frame (3) are vertically arranged on the bottom plate (1), a first power device for driving the first conveying line (4) to move is arranged on the first mounting frame (2), a third mounting frame (5) is arranged on the second mounting frame (3), the first conveying line (4) passes through the third mounting frame (5), and an induction component for detecting the position of the supporting disc (7) is arranged on the right side surface of the third mounting frame (5); the supporting rod (6) is vertically arranged on the first conveying line (4); the supporting disc (7) is horizontally and rotatably arranged at the top of the supporting rod (6); the screening body (9) is arranged on the supporting disc (7); the iron ring (10) is arranged on the supporting disc (7); the screening body placing components are arranged in parallel on the first conveying line (4); two groups of first cameras (11) and a group of second cameras (12) are arranged in the third mounting frame (5), the two groups of first cameras (11) are respectively positioned at two sides of the screening body (9), and the second cameras (12) are positioned above the first conveying line (4); the fourth mounting frame (13) is arranged on the third mounting frame (5), a first power assembly for placing the cylinder body (16) on the iron ring (10) is arranged on the fourth mounting frame (13), a magnetic ring is arranged at the bottom of the cylinder body (16), and an iron plate (17) is arranged at the closed end of the top of the cylinder body (16); the fifth mounting frame (20) is arranged on the bottom plate (1), a through hole (21) is formed in the top of the fifth mounting frame (20), and a second power assembly for taking down the cylinder (16) and pushing the cylinder onto the third conveying line (25) is arranged in the fifth mounting frame (20); the bottom of the first mounting frame (2) is provided with a second power device for driving the third conveying line (25) to move; the fourth camera (35) is arranged on the fifth mounting frame (20) and is positioned right above the third conveying line (25); the bottom plate (1) is provided with a pushing component for pushing down the unqualified screening body (9) together with the cylinder body (16); the screening equipment is also provided with a control system, and a timing module is arranged in the control system;
the external teeth (32) are arranged on the peripheral wall of the supporting disc (7), and the external teeth (32) are equidistantly arranged in a plurality of groups along the peripheral wall of the supporting disc (7); the rack (33) is arranged on the inner wall of the third mounting frame (5), the rack (33) is arranged along the conveying direction of the first conveying line (4), and the rack (33) is meshed with the external teeth (32); the third cameras (34) are arranged on the inner wall of the third mounting frame (5), the two groups of the third cameras (34) are symmetrical relative to the first conveying line (4), and the third cameras (34) are positioned in front of the first cameras (11) in the conveying direction of the first conveying line (4);
the first power assembly comprises a first electric telescopic rod (14), a second conveying line (15) and a vertical cylinder (18); the fourth mounting frame (13) is a U-shaped plate, the opening of a U-shaped groove of the U-shaped plate is downward, and the fourth mounting frame (13) is positioned in front of the third mounting frame (5) in the advancing direction of the first conveying line (4); the first electric telescopic rod (14) is arranged on the inner wall of the fourth mounting frame (13), a push plate is arranged at the end part of the first electric telescopic rod (14), the push plate faces a group of cylinder bodies (16), and the telescopic direction of the first electric telescopic rod (14) is parallel to the advancing direction of the first conveying line (4); the second conveying line (15) passes through the fourth mounting frame (13), the second conveying line (15) is perpendicular to the first conveying line (4), and a plurality of groups of cylinders (16) are arranged on the second conveying line (15) in parallel; the vertical cylinder (18) is vertically arranged on the inner wall of the fourth mounting frame (13), an arc-shaped groove (19) is formed in one side, facing the cylinder body (16), of the vertical cylinder (18), and the cylinder body (16) passes through the arc-shaped groove (19) to enter the vertical cylinder (18) and fall onto the iron ring (10);
the second power assembly comprises a second electric telescopic rod (22), an electromagnet (23) and a third electric telescopic rod (24); the second electric telescopic rod (22) is vertically arranged on the inner side of the bottom of the fifth installation frame (20); the electromagnet (23) is arranged at the top of the second electric telescopic rod (22), and the electromagnet (23) is positioned at the inner side of the inner peripheral surface of the through hole (21); the third electric telescopic rod (24) is horizontally arranged on the inner wall of the fifth installation frame (20), and the telescopic direction of the third electric telescopic rod (24) faces the third conveying line (25).
2. The screening apparatus based on computer vision recognition of claim 1, wherein the pushing assembly comprises a support column (26), a second support plate (27), a third support plate (28) and a fourth electric telescopic rod (29); the support columns (26) are vertically arranged on the bottom plate (1), the support columns (26) are arranged in two groups, and the two groups of support columns (26) are respectively positioned at two sides of the third conveying line (25); the second supporting plates (27) are arranged in two groups, the two groups of second supporting plates (27) are respectively and horizontally arranged at the tops of the two groups of supporting columns (26), the two groups of second supporting plates (27) are symmetrical about the third conveying line (25), and the second supporting plates (27) are perpendicular to the conveying direction of the third conveying line (25); the third support plate (28) is arranged on a group of second support plates (27); the fourth electric telescopic rod (29) is arranged on the end face, facing the third conveying line (25), of the third supporting plate (28), the telescopic direction of the fourth electric telescopic rod (29) is perpendicular to the conveying direction of the third conveying line (25), and a push plate is arranged at the end part of the fourth electric telescopic rod (29).
3. Screening apparatus based on computer vision according to claim 1, characterized in that the sensing assembly comprises a first support plate (30) and a photoelectric sensor (31); the first supporting plate (30) is arranged on the right end face of the third mounting frame (5), and the photoelectric sensor (31) is arranged on the end face, facing the first conveying line (4), of the first supporting plate (30).
4. The screening device based on computer vision recognition according to claim 1, wherein the upper end surface of the supporting disc (7) is provided with a groove (8), and the bottom of the screening body (9) is in contact with the inner wall of the groove (8); the iron ring (10) is positioned at the periphery of the groove (8).
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| ES2324324B9 (en) * | 2007-02-27 | 2019-03-12 | Roda Iberica S L U | SYSTEM FOR AUTOMATIC SELECTIVE SEPARATION OF CITRUS AFFECTED BY PODREDUMBRE |
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| WO2007069284A1 (en) * | 2005-12-12 | 2007-06-21 | S.A.M.M.O. S.P.A. | Method and apparatus for grading articles |
| CN109277318A (en) * | 2018-06-29 | 2019-01-29 | 烟台大学 | A kind of fruit quality vision detection and classification device and detection stage division |
| CN108855987A (en) * | 2018-08-21 | 2018-11-23 | 金华逻辑回归信息科技有限公司 | A kind of fruit grading equipment based on computer vision |
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