CN210022873U - Automatic waste screening machine based on machine vision - Google Patents
Automatic waste screening machine based on machine vision Download PDFInfo
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- CN210022873U CN210022873U CN201920709769.9U CN201920709769U CN210022873U CN 210022873 U CN210022873 U CN 210022873U CN 201920709769 U CN201920709769 U CN 201920709769U CN 210022873 U CN210022873 U CN 210022873U
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- 239000002699 waste material Substances 0.000 title claims abstract description 45
- 238000012216 screening Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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Abstract
The utility model relates to an automatic waste screening machine based on machine vision, which comprises a machine table, wherein four corners at the bottom of the machine table are fixedly connected with supporting legs, the machine table comprises a first operation table and a second operation table, the top of the first operation table is fixedly connected with a mounting rack, the front side of the mounting rack is provided with an opening, a driving roller is fixedly connected between the mounting racks through a bearing, the outer side of the driving roller is provided with a conveying belt, one end of the driving roller is fixedly connected with a belt pulley, the right side of the conveying belt is provided with a feeding plate, the right side of the feeding plate is fixedly connected with a baffle, the top of the second operation table is provided with a screening device, the screening device comprises a control box and a scanning box, the scanning box is fixedly connected with one side of the control box, the materials on the conveying belt can be repeatedly inspected, the adaptability is wide, and the operation is simpler.
Description
Technical Field
The utility model relates to an automatic waste material sieve separator based on machine vision belongs to the automation equipment field.
Background
With the progress of scientific technology, the appearance of mechanical equipment liberates people from heavy labor, various production lines can not leave automatic mechanical equipment at present, automation refers to a process that machine equipment, a system or a process (production and management process) realize an expected target through automatic detection, information processing, analysis judgment and control according to the requirements of people without direct participation of people or less people, the automatic technology can liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, can expand human organ functions, greatly improve labor productivity, enhance the capability of knowing the human world and improving the world, and on the automatic production line, some defective waste materials need to be detected and removed, if the work is done manually, time and labor are wasted, and the waste materials are easily mistaken for qualified products, the existing waste material screening machine is low in identification precision, only can adapt to a single product, poor in adaptability, low in working efficiency and complex in operation, and therefore the automatic waste material screening machine based on machine vision is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides an automatic waste material sieve separator based on machine vision, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
an automatic waste screening machine based on machine vision comprises a machine table, wherein supporting legs are fixedly connected to four corners of the bottom of the machine table, the machine table comprises a first operation table and a second operation table, a mounting frame is fixedly connected to the top of the first operation table, a through hole is formed in the front side of the mounting frame, a transmission roller is fixedly connected between the mounting frames through bearings, a conveyor belt is arranged on the outer side of the transmission roller, a belt pulley is fixedly connected to one end of the transmission roller, a feeding plate is arranged on the right side of the conveyor belt, a baffle is fixedly connected to the right side of the feeding plate, a screening device is arranged on the top of the second operation table and comprises a control box and a scanning box, the scanning box is fixedly connected with one side of the control box, a first feeding port is formed in the right side of the through hole, the first feeding port is located on one side, the improved feeding device comprises a first operating platform, a second operating platform, a first rotating motor, a storage battery, a second rotating motor, a second connecting rod, a nut, a connecting rod, a second placing groove, a second feeding port, a second storage groove and a second storage groove.
Furthermore, the bottom of the supporting leg is of a circular truncated cone structure, and an anti-skid cushion layer is fixedly connected to the bottom of the supporting leg.
Further, first operation panel and second operation panel lean on outer one side equal symmetric connection to have the door of getting the material, it all is equipped with the access door to get material door left side, the access door with get the material door and pass through hinge respectively with first operation panel, second operation panel swing joint.
Further, the feeding plate is specifically of a rectangular pyramid structure, an arc-shaped groove is dug in the left side of the feeding plate, the right side of the conveyor belt is located inside the arc-shaped groove, and the bottom of the feeding plate and the bottom of the baffle are fixedly connected with the top of the first operating platform.
Further, sliding connection has the mounting panel between the first slip recess inner wall, four corners at mounting panel top are dug and are equipped with the screw hole, first slip recess inner chamber bottom is equipped with second slip recess.
Further, the top of the connecting rod penetrates through the second sliding groove and is fixedly connected with the bottom of the mounting plate, and the bottom of the control box is fixedly connected with the threaded holes through fixing bolts respectively.
Further, the belt is connected to the inside of the belt pulley, penetrates through the through opening, and is connected with an output shaft of the first rotating electric machine.
Furthermore, the right end of the threaded rod is fixedly connected with the fixed plate through a rotating shaft, the first placing groove and the second placing groove are movably connected with a material storage box, and the positions of the first feeding port and the second feeding port correspond to the positions of the material storage box respectively.
Further, the width of scanning case equals with the width of conveyer belt, scanning incasement chamber bottom through connection has infrared camera, scanning incasement wall right side fixedly connected with central processing unit, infrared camera bottom output is located the conveyer belt top.
The utility model discloses beneficial effect: the utility model relates to an automatic waste screening machine based on machine vision, through setting up the supporting leg, can place the board on the ground steadily, through setting up the conveyer belt, can place the material on the conveyer belt, start first rotating electrical machines, first rotating electrical machines drives the driving roller who installs the belt pulley through the belt and rotates, thereby make the conveyer belt drive the material and move right, can carry out the automatic material of carrying, the labour has greatly reduced, through setting up the delivery sheet, can get into the delivery sheet from the conveyer belt qualified material, finally the landing is to the baffle front side, then put qualified material into first feeding mouth, thereby get into the material storage box in the first recess of placing, through setting up the second rotating electrical machines, start the second rotating electrical machines and can make the threaded rod rotate, make the connecting rod on the nut drive the mounting panel and move, the control box of the screening device is fixedly connected with the mounting plate, so as to drive the rotating device to transversely move in the first sliding groove, the scanning box of the screening device can repeatedly inspect materials on the conveying belt, then unqualified waste materials screened out are placed in the second feeding port, the operation is simpler, the working efficiency of screening is greatly improved, the accuracy of material screening is greatly improved, the situation that the waste materials are considered to be qualified products is avoided, the material storage box for storing the qualified products in the first operation table and the storage box for storing the unqualified waste materials in the second operation table can be respectively taken out by arranging the material taking door, the materials can be conveniently collected, the infrared camera shoots commodity pictures in the movement of the conveying belt by arranging the infrared camera and the central processing device, and the central processing device compares the pictures with the pictures of the qualified products, if be the waste material, can make second rotating electrical machines stop work, make the sieving mechanism location on waste material article, then show the position of waste material on the conveyer belt from touch display screen, can remind operating personnel to take out the waste material of screening and drop into the magazine, based on machine vision, can improve greatly by waste material detection precision, adaptability is wide, operates simpler.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is the utility model relates to an automatic waste material sieve separator outward appearance structure sketch map based on machine vision.
Fig. 2 is the utility model discloses an automatic waste material sieve separator's first operation panel section structure sketch map based on machine vision.
Fig. 3 is the utility model discloses a second operation panel section structure sketch map of automatic waste material sieve separator based on machine vision.
Figure 4 is the utility model discloses a second operation panel top view of automatic waste material sieve separator based on machine vision.
Fig. 5 is the utility model discloses a scanning box section structure schematic diagram of automatic waste material sieve separator based on machine vision.
Reference numbers in the figures: 1. a machine platform; 2. supporting legs; 3. a first operation table; 4. a second operation table; 5. a mounting frame; 6. a port; 7. a driving roller; 8. a conveyor belt; 9. a belt pulley; 10. a feeding plate; 11. a baffle plate; 12. a screening device; 13. a control box; 14. a scanning box; 15. a first feeding port; 16. a touch display screen; 17. a first rotating electrical machine; 18. a storage battery; 19. a first placing groove; 20. a fixed table; 21. a fixing plate; 22. a second rotating electrical machine; 23. a threaded rod; 24. a nut; 25. a connecting rod; 26. a second placing groove; 27. a first sliding groove; 28. a second feeding port; 29. a material taking door; 30. an access door; 31. mounting a plate; 32. a threaded hole; 33. a second sliding groove; 34. a material storage box; 35. an infrared camera; 36. a central processing unit.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in figures 1-5, an automatic waste screening machine based on machine vision comprises a machine table 1, wherein four corners at the bottom of the machine table 1 are fixedly connected with supporting legs 2, the machine table 1 can be stably placed on the ground by arranging the supporting legs 2, the machine table 1 comprises a first operating table 3 and a second operating table 4, the top of the first operating table 3 is fixedly connected with a mounting frame 5, a through hole 6 is arranged at the front side of the mounting frame 5, a driving roller 7 is fixedly connected between the mounting frames 5 through a bearing, a conveying belt 8 is arranged outside the driving roller 7, a material can be placed on the conveying belt 8 by arranging the conveying belt 8, a first rotating motor 17 is started, the first rotating motor 17 drives the driving roller 7 provided with a belt pulley 9 to rotate through a belt, so that the conveying belt 8 drives the material to move rightwards, and the automatic material conveying can be carried out, the labor force is greatly reduced, one end of the transmission roller 7 is fixedly connected with a belt pulley 9, the right side of the conveyor belt 8 is provided with a feeding plate 10, qualified materials can enter the feeding plate 10 from the conveyor belt 8 through the feeding plate 10, finally slide to the front side of the baffle 11, then the qualified materials are placed into the first feeding port 15 and then enter the material storage box 34 in the first placement groove 19, the right side of the feeding plate 10 is fixedly connected with the baffle 11, the top of the second operating platform 4 is provided with a screening device 12, the screening device 12 comprises a control box 13 and a scanning box 14, the scanning box 14 is fixedly connected with one side of the control box 13, the right side of the through port 6 is provided with the first feeding port 15, the first feeding port 15 is positioned at one side of the feeding plate 10, the outer side of the control box 13 is provided with a touch display screen 16, the bottom of the inner cavity of the first operating platform 3 is fixedly connected with a first rotating motor 17, the right side of the first rotating motor 17 is provided with a storage battery 18, the right side of the storage battery 18 is provided with a first placing groove 19, the bottom of the inner cavity of the second operating platform 4 is fixedly connected with a fixed platform 20, the top of the fixed platform 20 is fixedly connected with a fixed plate 21, the left side of the fixed plate 21 is provided with a second rotating motor 22, the second rotating motor 22 is arranged, the threaded rod 23 can be rotated by starting the second rotating motor 22, the connecting rod 25 on the nut 24 drives the mounting plate 31 to move, the control box 13 of the screening device 12 is fixedly connected with the mounting plate 31, so that the rotating device 12 is driven to transversely move in the first sliding groove 27, the scanning box 14 of the screening device 12 can repeatedly inspect materials on the conveyor belt 8, then screened unqualified waste materials are placed in the second feeding port 28, and the operation is simpler, the work efficiency who makes the screening improves greatly, has improved the accuracy of material screening simultaneously greatly, avoids taking place the condition emergence of considering the waste material as the certified products, shaft coupling fixedly connected with threaded rod 23 is passed through to the output shaft of second rotating electrical machines 22, threaded rod 23 outside threaded connection has nut 24, nut 24 top fixedly connected with connecting rod 25, 20 right sides of fixed station are equipped with the second and place recess 26, 4 tops of second operation panel are dug and are equipped with first slip recess 27, first slip recess 27 below is equipped with second dog-house 28.
More specifically, the bottom of the supporting leg 2 is of a circular truncated cone structure, the bottom of the supporting leg 2 is fixedly connected with an anti-skid cushion layer, the first operating platform 3 and the second operating platform 4 are symmetrically connected with a material taking door 29 near one outer side, the material taking door 29 is arranged to respectively take out a material storage box 34 for storing qualified products in the first operating platform 3 and a material storage box 34 for storing unqualified waste materials in the second operating platform 4, so that the materials can be conveniently collected, an access door 30 is arranged on the left side of the material taking door 29, the access door 30 and the material taking door 29 are respectively and movably connected with the first operating platform 3 and the second operating platform 4 through hinges, the feeding plate 10 is of a rectangular pyramid structure, an arc-shaped groove is dug in the left side of the feeding plate 10, the right side of the conveyor belt 8 is positioned in the arc-shaped groove, the bottom of the feeding plate 10 and the bottom of the baffle plate 11 are fixedly connected with the top of the, a mounting plate 31 is connected between the inner walls of the first sliding grooves 27 in a sliding manner, threaded holes 32 are dug in four corners of the top of the mounting plate 31, a second sliding groove 33 is arranged at the bottom of the inner cavity of the first sliding groove 27, the top of the connecting rod 25 penetrates through the second sliding groove 33 and is fixedly connected with the bottom of the mounting plate 31, the bottom of the control box 13 is fixedly connected with the threaded holes 32 through fixing bolts, a belt is connected inside the belt pulley 9, penetrates through the through hole 6 and is connected with an output shaft of the first rotating motor 17, the right end of the threaded rod 23 is fixedly connected with the fixing plate 21 through a rotating shaft, a material storage box 34 is movably connected inside the first placing groove 19 and the second placing groove 26, the positions of the first feeding port 15 and the second feeding port 28 correspond to the position of the material storage box 34, and the width of the scanning box 14 is equal to the width of, 14 inner chamber bottom through connection of scanning box has infrared camera 35, 14 inner wall right side fixedly connected with central processing unit 36 of scanning box, through setting up infrared camera 35 and central processing ware 36, the commodity photo is shot to infrared camera 35 in the 8 motion of conveyer belt, central processing unit 36 compares the photo with qualified product's photo, if be the waste material, can make second rotating electrical machines 22 stop work, make sieving mechanism 12 fix a position on the waste material article, then show the position of conveyer belt 8 upper slitter material from touch display screen 16, can remind operating personnel to take out the waste material of screening and drop into storage box 34 in, based on machine vision, can waste material detection precision improve greatly, adaptability is wide, operate simpler, infrared camera 35 bottom output is located conveyer belt 8 top.
When the utility model is used, the material is placed on the conveyor belt 8, the first rotating motor 17 is started, the first rotating motor 17 drives the transmission roller 7 provided with the belt pulley 9 to rotate through the belt, so that the conveyor belt 8 drives the material to move rightwards, the second rotating motor 22 is started to rotate the threaded rod 23, the connecting rod 25 on the nut 24 drives the mounting plate 31 to move, the control box 13 of the screening device 12 is fixedly connected with the mounting plate 31, so that the rotating device 12 is driven to transversely move in the first sliding groove 27, the scanning box 14 of the screening device 12 can repeatedly inspect the material on the conveyor belt 8, if the material is waste, the second rotating motor 22 can stop working, so that the screening device 12 is positioned on the waste material, and then the position of the waste material on the conveyor belt 8 is displayed from the touch display screen 16, the operator may be prompted to remove the screened waste material into the holding box 34.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (9)
1. The automatic waste screening machine based on machine vision comprises a machine table (1) and is characterized in that supporting legs (2) are fixedly connected to four corners at the bottom of the machine table (1), the machine table (1) comprises a first operating table (3) and a second operating table (4), a mounting frame (5) is fixedly connected to the top of the first operating table (3), through openings (6) are formed in the front side of the mounting frame (5), transmission rollers (7) are fixedly connected between the mounting frame (5) through bearings, a conveying belt (8) is arranged on the outer side of each transmission roller (7), a belt pulley (9) is fixedly connected to one end of each transmission roller (7), a conveying plate (10) is arranged on the right side of each conveying belt (8), a baffle (11) is fixedly connected to the right side of each conveying plate (10), a screening device (12) is arranged at the top of the second operating table (4, the screening device (12) comprises a control box (13) and a scanning box (14), the scanning box (14) is fixedly connected with one side of the control box (13), a first feeding port (15) is arranged on the right side of the through hole (6), the first feeding port (15) is positioned on one side of the feeding plate (10), a touch display screen (16) is arranged on the outer side of the control box (13), a first rotating motor (17) is fixedly connected to the bottom of an inner cavity of the first operating platform (3), a storage battery (18) is arranged on the right side of the first rotating motor (17), a first placing groove (19) is arranged on the right side of the storage battery (18), a fixed platform (20) is fixedly connected to the bottom of an inner cavity of the second operating platform (4), a fixed plate (21) is fixedly connected to the top of the fixed platform (20), a second rotating motor (22) is arranged on the left side of the fixed plate (21), a threaded rod (23) is fixedly connected to an, threaded connection has nut (24) outside threaded connection threaded rod (23), nut (24) top fixedly connected with connecting rod (25), fixed station (20) right side is equipped with the second and places recess (26), dig at second operation panel (4) top and be equipped with first slip recess (27), first slip recess (27) below is equipped with second dog-house (28).
2. The machine vision-based automated waste screening machine of claim 1, wherein: the bottom of the supporting leg (2) is of a round table structure, and an anti-skid cushion layer is fixedly connected to the bottom of the supporting leg (2).
3. The machine vision-based automated waste screening machine of claim 1, wherein: first operation panel (3) and second operation panel (4) lean on the equal symmetric connection in outer one side to get bin gate (29), it all is equipped with access door (30) to get bin gate (29) left side, access door (30) with get bin gate (29) through the hinge respectively with first operation panel (3), second operation panel (4) swing joint.
4. The machine vision-based automated waste screening machine of claim 1, wherein: the feeding plate (10) is of a rectangular pyramid structure, an arc-shaped groove is dug in the left side of the feeding plate (10), the right side of the conveying belt (8) is located inside the arc-shaped groove, and the bottom of the feeding plate (10) and the bottom of the baffle (11) are fixedly connected with the top of the first operating platform (3).
5. The machine vision-based automated waste screening machine of claim 1, wherein: sliding connection has mounting panel (31) between first slip recess (27) inner wall, four corners at mounting panel (31) top are dug and are equipped with screw hole (32), first slip recess (27) inner chamber bottom is equipped with second slip recess (33).
6. The machine vision-based automated waste screening machine of claim 5, wherein: the top of the connecting rod (25) penetrates through the second sliding groove (33) and is fixedly connected with the bottom of the mounting plate (31), and the bottom of the control box (13) is fixedly connected with the threaded hole (32) through a fixing bolt.
7. The machine vision-based automated waste screening machine of claim 1, wherein: the belt pulley (9) internal connection has the belt, the belt runs through opening (6), and with the output shaft of first rotating electrical machines (17).
8. The machine vision-based automated waste screening machine of claim 1, wherein: the right end of the threaded rod (23) is fixedly connected with the fixing plate (21) through a rotating shaft, the first placing groove (19) and the second placing groove (26) are movably connected with a material storage box (34) in the inner part, and the positions of the first feeding port (15) and the second feeding port (28) correspond to the position of the material storage box (34) respectively.
9. The machine vision-based automated waste screening machine of claim 1, wherein: the width of scanning case (14) equals with the width of conveyer belt (8), scanning case (14) inner chamber bottom through connection has infrared camera (35), scanning case (14) inner wall right side fixedly connected with central processing unit (36), infrared camera (35) bottom output is located conveyer belt (8) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920709769.9U CN210022873U (en) | 2019-05-17 | 2019-05-17 | Automatic waste screening machine based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920709769.9U CN210022873U (en) | 2019-05-17 | 2019-05-17 | Automatic waste screening machine based on machine vision |
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| Publication Number | Publication Date |
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| CN210022873U true CN210022873U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920709769.9U Active CN210022873U (en) | 2019-05-17 | 2019-05-17 | Automatic waste screening machine based on machine vision |
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| CN (1) | CN210022873U (en) |
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- 2019-05-17 CN CN201920709769.9U patent/CN210022873U/en active Active
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Assignee: ZHENGLI MOTOR CO.,LTD. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980033866 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230323 Assignee: ZHEJIANG HAPPY PUMP INDUSTRY CO.,LTD. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980033867 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230323 Assignee: Wenling municipal Environmental Engineering Co. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980033881 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230325 Assignee: ZHEJIANG LVJU VEHICLE INDUSTRY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980033874 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230325 Assignee: Zhejiang Dongyin Technology Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980033840 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230323 Assignee: Zhejiang CommScope Machinery Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980033842 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230323 |
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Assignee: TAIZHOU JINMEIAO CHAIR INDUSTRY SHARE Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980034252 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230330 Assignee: ZHEJIANG DOUDOUBAO TRADITIONAL CHINESE MEDICINE RESEARCH Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980034251 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20230330 |
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Assignee: Zhejiang Keda Environmental Protection Engineering Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980044348 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20231024 Assignee: Taizhou Dahe Environmental Protection Technology Co.,Ltd. Assignor: TAIZHOU VOCATIONAL & TECHNICAL College Contract record no.: X2023980044337 Denomination of utility model: An automated waste screening machine based on machine vision Granted publication date: 20200207 License type: Common License Record date: 20231024 |
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