CN108655022B - Grain sorting device and method based on heavy metal content - Google Patents
Grain sorting device and method based on heavy metal content Download PDFInfo
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- CN108655022B CN108655022B CN201810460554.8A CN201810460554A CN108655022B CN 108655022 B CN108655022 B CN 108655022B CN 201810460554 A CN201810460554 A CN 201810460554A CN 108655022 B CN108655022 B CN 108655022B
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- heavy metal
- hopper
- metal content
- grain
- rack
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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
- 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
- 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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- Storage Of Harvested Produce (AREA)
Abstract
A grain sorting device and method based on heavy metal content comprises two groups of conveying chains which are arranged in parallel, wherein two annular guide rails are arranged on the inner sides of the two groups of conveying chains, a grain conveying belt formed by a plurality of hoppers is arranged on the annular guide rails, a bottom cover plate of each hopper is pivoted with a hopper body, a handle is arranged on one side of each cover plate, and the two sides of each hopper are connected with the conveying chains; a material receiving bin is arranged between the two annular guide rails; a hopper switch control device is arranged on the material receiving bin and can be in contact connection with the cover plate handle; grain conveyer belt top sets up granary and heavy metal content recognizer, and the heavy metal content recognizer passes through a control system respectively with each connect the hopper on-off control device electric connection on the material storehouse, when certain heavy metal content grain was discerned to the heavy metal content recognizer, starts this heavy metal content and connects the hopper on-off control device on the material storehouse, makes the grain in the hopper get into corresponding connecing in the material storehouse.
Description
Technical Field
The invention relates to a grain sorting device, in particular to a grain sorting device and method based on heavy metal content.
Background
Because paddy fields in partial regions are seriously polluted by heavy metals, the heavy metal content of the planted and harvested grains exceeds the standard, the grains with the heavy metal content exceeding the standard are separated out before being put into a warehouse, and a plurality of grades are sorted according to different heavy metal contents.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art is not enough, and provides a grain sorting device and method based on heavy metal content so as to realize separation and collection of grains with different heavy metal contents.
In order to solve the technical problem, the invention provides a grain sorting device based on heavy metal content, which comprises a first frame and a second frame which are arranged at a distance, wherein a group of large chain wheels are coaxially pivoted on the first frame and the second frame respectively; two sides of the hoppers are respectively connected with the conveying chains through connecting bridges; a plurality of support rods are respectively arranged between the upper layer and the lower layer of the two groups of annular guide rails, and material receiving bins are respectively arranged between the corresponding support rods; a hopper switch control device is respectively arranged on the stay bar at one side of each material receiving bin corresponding to the cover plate handle, and when the hopper switch control device acts, the stay bars are in contact connection with the cover plate handle of the corresponding hopper, so that one end of the cover plate is separated from the hopper body; grain conveyer's top sets up granary and heavy metal content recognizer, this heavy metal content recognizer respectively with each connect the hopper on-off control device electric connection in the material storehouse through a control system, and each connects the hopper on-off control device in the material storehouse to correspond a heavy metal content respectively and start, when a certain heavy metal content of grain is discerned to the heavy metal content recognizer, start the hopper on-off control device who connects on the material storehouse that corresponds with this heavy metal content through control system, make the grain in the hopper get into the material storehouse that connects that corresponds in.
The hopper switch control device comprises a mounting frame arranged on an annular guide rail supporting rod on one side, a second motor is arranged on the mounting frame, a gear is arranged on an output shaft of the second motor, the gear is meshed with a rack arranged in a rack groove, a shifting rod is arranged at the tail end of the rack, and when the rack extends out of the rack groove, the shifting rod at the tail end of the rack and a cover plate handle form contact connection.
A plurality of cross beams are arranged between the two groups of annular guide rails, pulleys are arranged at two ends of each cross beam respectively, two ends of each cross beam are connected and supported on the upper surfaces of the two annular guide rails through the pulleys, the hoppers are hung on the cross beams, and the heads and the tails of the hoppers are hinged with each other.
The chain transmission device is characterized in that driven small chain wheels are arranged on pivot shafts of the two large chain wheels on the first rack, a first motor is arranged on the first rack, a driving small chain wheel is arranged on an output shaft of the first motor, and the driving small chain wheel is connected with the driven small chain wheel through a chain.
In order to solve the technical problem, the invention provides a sorting method of a grain sorting device based on heavy metal content, which is characterized in that when grains flow from a grain bin to a grain conveyer belt consisting of a series of hoppers and pass through a heavy metal content recognizer, the heavy metal content recognizer detects the heavy metal content of the corresponding grains and transmits the heavy metal content information to a control system, the control system starts a hopper switch control device of the corresponding receiving bin according to different heavy metal content information, and the hopper switch control device acts to open the hopper, so that the grains with the corresponding heavy metal content are collected into the corresponding receiving bin, and the separation of the grains with different heavy metal contents is realized.
When the hopper switch control device acts, the second motor drives the gear to rotate, the gear drives the rack to move along the direction close to the cover plate handle along the rack groove, the cover plate handle is in contact with the shifting rod when the hopper moves forwards, the cover plate is driven to move in the direction opposite to the movement of the hopper, and therefore the hopper is opened, and when the cover plate handle moves to the lowest point of the shifting rod, the cover plate resets under the action of the tensioning spring, and automatic closing of the hopper is achieved.
On the basis of the existing heavy metal identifier, the heavy metal identifier can separate the grains with different heavy metal contents into different material receiving bins, thereby realizing the separation and collection of the grains with different heavy metal contents.
The grain sorting device based on the heavy metal content mainly aims at the heavy metal-containing grains, but is not limited to the sorting of the heavy metal grains, and other materials suitable for sorting can also be suitable.
Drawings
Fig. 1 is a front view structural diagram of an embodiment of a grain sorting apparatus based on heavy metal content according to the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a partial isometric view of the grain sorting apparatus based on heavy metal content according to the present invention.
Fig. 4 is a front view structural view of fig. 3 without showing a connecting bridge.
Fig. 5 is a right side view of fig. 3.
Fig. 6 is a partially enlarged view of fig. 5.
FIG. 7 is a top view of the hopper assembly of the present invention.
In the figure: 1. a granary; 2. a heavy metal content identifier; 3. a hopper; 4. a hopper switch control device; 5. a material receiving bin; 6. a large sprocket; 7. a driven small sprocket; 8. a first motor; 9. a first frame; 9' a second frame; 10. an annular guide rail; 11. a small driving sprocket; 12. a connecting bridge; 13. a conveying chain; 14. a cross beam; 15. a pulley; 16. a cover plate; 17. tensioning the spring; 18. a mounting frame; 19. a second motor; 20. a gear; 21. a rack slot; 22. a rack; 23. a deflector rod; 24. a handle; 25. a stay bar.
Detailed Description
As shown in fig. 1 to 7, an embodiment of a grain sorting apparatus based on heavy metal content according to the present invention includes a first and a second racks 9, 9 'spaced apart from each other by a distance, wherein two large sprockets 6 are coaxially pivoted to the first and the second racks 9, 9', respectively. The pivot shafts of the two large chain wheels 6 on the first frame 9 are provided with driven small chain wheels 7, the first frame 9 is provided with a first motor 8, the output shaft of the first motor 8 is provided with a driving small chain wheel 11, and the driving small chain wheel 11 is connected with the driven small chain wheels 7 through a chain. Two conveying chains 13 are respectively arranged between two groups of large chain wheels 6 on the first frame 9 and the second frame 9' in a surrounding and parallel mode, two annular guide rails 10 are arranged on the inner sides of the two conveying chains 13 in a parallel mode, a plurality of cross beams 14 are arranged between the two annular guide rails 10, pulleys 15 are respectively arranged at two ends of each cross beam 14, and two ends of each cross beam 14 are respectively connected and supported on the upper surfaces of the two annular guide rails 10 through the pulleys 15. The hoppers 3 are respectively hung on the cross beams 14, the hoppers 3 are hinged with each other, the bottom of each hopper 3 is pivoted with a cover plate 16, the cross beams 14 are connected with the cover plate 16 through tensioning springs 17, and the bottom of one side of the cover plate 16 is provided with a convex handle 24. Each hopper 3 is connected with a conveying chain 13 arranged on the outer side of the annular guide rail 10 through a connecting bridge 12, and the conveying chains 13 drive the hoppers 3 to do linear and circular motion in the annular guide rail 10 when moving. A plurality of support rods 25 are respectively arranged between the upper layer and the lower layer of the two annular guide rails 10, and material receiving bins 5 are respectively arranged between the corresponding support rods 25. And the hopper switch control devices 4 are respectively arranged on the annular guide rail supporting rods 25 of the material receiving bins 5 corresponding to one side of the cover plate handle 24. The hopper switch control device 4 comprises a mounting frame 18 arranged on a support rod 25 on one side, a second motor 19 is arranged on the mounting frame 18, a gear 20 is arranged on an output shaft of the second motor 19, the gear 20 is meshed with a rack 22 arranged in a rack groove 21, and a deflector rod 23 is arranged at the tail end of the rack 22. When the rack 22 is extended under the action of the gear 20, the shift lever 23 at the end of the rack 22 is in contact connection with the handle 24 of the cover plate 16. The top of hopper movement path 2 sets up granary 1 and heavy metal content recognizer 2, this heavy metal content recognizer 2 respectively with each connect hopper on-off control device 4 electric connection on the feed bin 5 through a control system (not shown in the figure), and each connects hopper on-off control device 4 on the feed bin 5 to correspond a heavy metal content respectively and open and close, when a certain heavy metal content of grain is discerned to heavy metal content recognizer 2, start this heavy metal content with this hopper on-off control device 4 on connecing the feed bin 5 that corresponds, make the grain in the hopper 3 get into the corresponding material that connects in the feed bin 5.
The heavy metal identifier 2 mentioned above is prior art and will not be described in greater detail here.
When the grain sorting device based on heavy metal content works, a first motor 8 arranged on a first frame 9 rotates clockwise to drive a driving small chain wheel 11 to rotate, power is transmitted to a driven small chain wheel 7 through a chain, so that a large chain wheel 6 is driven to rotate, a conveying chain 13 is driven to run, and a grain conveying belt consisting of hoppers 3 is driven to do circulating motion along an annular guide rail 10 through a connecting bridge 12. In grain conveying belt that a series of hoppers 3 that flow direction from granary 1 articulated together constitute as grain, when passing through heavy metal content recognizer 2, can carry out heavy metal content detection to corresponding grain, according to the difference of the heavy metal content that detects, heavy metal content recognizer 2 sends heavy metal content information to the hopper on-off control device 4 that connects on the feed bin 5 correspondingly through control system, open hopper 3 under hopper on-off control device 4's effect, thereby collect corresponding in connecing feed bin 5 with the grain of corresponding heavy metal content, thereby realize the separation to the grain of heavy metal content difference.
When the hopper switch control device 4 acts, the second motor 19 drives the gear 20 to rotate, the gear 20 drives the rack 22 to move along the rack groove 21 in the direction close to the cover plate handle 24, the cover plate handle 24 is in contact with the shift lever 23 when the hopper 3 moves forwards, so that the cover plate 16 is driven to move in the direction opposite to the movement of the hopper 3, the cover plate 16 is opened, and when the cover plate handle 24 moves to the lowest point of the shift lever 23, the cover plate 16 is reset under the action of the tension spring 17, so that the hopper 3 is automatically opened and closed.
Claims (6)
1. A grain sorting device based on heavy metal content comprises a first rack and a second rack (9 and 9') which are arranged at a distance, and is characterized in that a group of large chain wheels (6) are coaxially pivoted on the first rack and the second rack respectively, two groups of conveying chains (13) are arranged between the two groups of large chain wheels on the first rack and the second rack respectively, two groups of annular guide rails (10) are arranged on the inner sides of the two groups of conveying chains in parallel, a grain conveying belt formed by connecting a plurality of hoppers (3) end to end is arranged between the two groups of annular guide rails, bottom cover plates (16) of the plurality of hoppers are pivoted with a hopper body, tensioning springs (17) are arranged between the cover plates and the hopper body, and the bottom of one side of each cover plate is provided with a convex; two sides of the hoppers are respectively connected with the conveying chains through connecting bridges (12); a plurality of support rods (25) are respectively arranged between the upper layer and the lower layer of the two groups of annular guide rails, and material receiving bins (5) are respectively arranged between the corresponding support rods; a hopper switch control device (4) is respectively arranged on the stay bar at one side of each material receiving bin corresponding to the cover plate handle, and when the hopper switch control device acts, the stay bars are in contact connection with the cover plate handle of the corresponding hopper, so that one end of the cover plate is separated from the hopper body; grain conveyer's top sets up granary (1) and heavy metal content recognizer (2), this heavy metal content recognizer respectively with each connect the hopper on the material storehouse on hopper on-off control device electric connection through a control system, and each connects the hopper on-off control device on the material storehouse to correspond a heavy metal content respectively and start, when heavy metal content recognizer discerns a certain heavy metal content of grain, start the hopper on-off control device on the material storehouse that connects that corresponds with this heavy metal content through control system, make the grain in the hopper get into the material storehouse that corresponds in.
2. The grain sorting device based on heavy metal content as claimed in claim 1, wherein the hopper switch control device comprises a mounting frame (18) arranged on a side annular guide rail supporting rod, a second motor (19) is arranged on the mounting frame, a gear (20) is arranged on an output shaft of the second motor, the gear is meshed with a rack (22) arranged in a rack groove (21), a deflector rod (23) is arranged at the tail end of the rack, and the deflector rod at the tail end of the rack is in contact connection with the cover plate handle when the rack extends out of the rack groove.
3. The grain sorting device based on heavy metal content according to claim 1, wherein a plurality of cross beams (14) are arranged between the two sets of annular guide rails, pulleys (15) are respectively arranged at two ends of each cross beam, two ends of each cross beam are connected and supported on the upper surfaces of the two annular guide rails through the pulleys, the hoppers are hung on the cross beams, and the hoppers are hinged with each other end to end.
4. The grain sorting device based on heavy metal content according to claim 1, wherein the first frame is provided with a driven small chain wheel (7) on a pivot shaft of two large chain wheels, the first frame is provided with a first motor (8), an output shaft of the first motor is provided with a driving small chain wheel (11), and the driving small chain wheel and the driven small chain wheel are connected through a chain.
5. The sorting method of any one of claims 1 to 4 for the grain sorting device based on the heavy metal content is characterized in that when grains flow from a grain bin (1) to a grain conveyer belt consisting of a series of hoppers (3) and pass through a heavy metal content recognizer (2), the heavy metal content recognizer detects the heavy metal content of the corresponding grains and transmits the heavy metal content information to a control system, the control system starts a hopper switch control device (4) corresponding to a receiving bin (5) according to different heavy metal content information, the hopper switch control device acts on the hoppers to be opened, so that the grains with the corresponding heavy metal content are collected into the corresponding receiving bin, and the separation of the grains with different heavy metal contents is realized.
6. The sorting method of the grain sorting device based on the heavy metal content as claimed in claim 5, wherein when the hopper switch control device is operated, the second motor (19) drives the gear (20) to rotate, the gear drives the rack (22) to move along the rack groove (21) to the direction close to the cover plate handle (24), the cover plate handle is contacted with the deflector rod (23) when the hopper (3) moves forwards, the cover plate (16) is driven to move in the direction opposite to the movement of the hopper, so that the hopper is opened, and when the cover plate handle moves to the lowest point of the deflector rod, the cover plate is reset under the action of the tensioning spring, and the automatic closing of the hopper is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460554.8A CN108655022B (en) | 2018-05-15 | 2018-05-15 | Grain sorting device and method based on heavy metal content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460554.8A CN108655022B (en) | 2018-05-15 | 2018-05-15 | Grain sorting device and method based on heavy metal content |
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| Publication Number | Publication Date |
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| CN108655022A CN108655022A (en) | 2018-10-16 |
| CN108655022B true CN108655022B (en) | 2020-02-14 |
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| CN201810460554.8A Active CN108655022B (en) | 2018-05-15 | 2018-05-15 | Grain sorting device and method based on heavy metal content |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111366587B (en) * | 2020-03-10 | 2023-04-25 | 安徽科杰粮保仓储设备有限公司 | Full-automatic online detection method and device for heavy metals in grains |
| CN112122170A (en) * | 2020-09-30 | 2020-12-25 | 石家庄经济技术开发区长城食品有限公司 | Food impurity detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2594357B1 (en) * | 1986-02-14 | 1988-06-10 | Transvalor Sa | PORTABLE APPARATUS FOR RECOVERING HEAVY PARTICLES FROM DIVIDED MATERIALS |
| JP3698255B2 (en) * | 2001-11-30 | 2005-09-21 | 住友金属鉱山株式会社 | Soil sorting device and soil sorting method |
| CN202539090U (en) * | 2012-03-30 | 2012-11-21 | 山东鸿兴源食品有限公司 | Multifunctional metal detector |
| CN104190632B (en) * | 2014-08-28 | 2017-02-15 | 李静远 | Potato screening device |
| CN205361999U (en) * | 2016-01-25 | 2016-07-06 | 史志瑛 | Food metal detection device |
| CN206425254U (en) * | 2016-12-26 | 2017-08-22 | 江西谷物源食品有限公司 | A kind of cereal foods material transportation metal detection examines equipment |
| CN107095197B (en) * | 2017-04-13 | 2020-05-12 | 温州海蓝工业设计有限公司 | Fish ball processing lines's compounding device |
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