CN113414099A - Seed screening device for agricultural production - Google Patents
Seed screening device for agricultural production Download PDFInfo
- Publication number
- CN113414099A CN113414099A CN202110816180.0A CN202110816180A CN113414099A CN 113414099 A CN113414099 A CN 113414099A CN 202110816180 A CN202110816180 A CN 202110816180A CN 113414099 A CN113414099 A CN 113414099A
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- screening
- seed
- fixedly connected
- agricultural production
- connecting hole
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- 238000012216 screening Methods 0.000 title claims abstract description 136
- 238000012271 agricultural production Methods 0.000 title claims abstract description 28
- 238000007873 sieving Methods 0.000 claims abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000009795 derivation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a seed screening device for agricultural production, and relates to the field of agricultural production. This a seed sieving mechanism for agricultural production includes the screening case, the screening case rotates through first connecting hole and second connecting hole and is connected with the filter tube, the screening case has two collecting boxes through first sliding tray and second sliding tray sliding connection, filter tube fixedly connected with axis of rotation, filter tube fixedly connected with rotating tube, the back fixedly connected with connecting elbow of rotating tube, connecting elbow's last fixed surface is connected with the funnel, the positive fixedly connected with connecting plate of axis of rotation, the positive fixedly connected with rotation handle of connecting plate, the excircle fixed surface of filter tube is connected with and connects the rectangular piece, the derivation groove has been seted up to the upper surface of connecting the rectangular piece. This a seed sieving mechanism for agricultural production has can be convenient for screen the seed and can collect the function with unqualified seed and qualified seed.
Description
Technical Field
The invention relates to the technical field of agricultural production, in particular to a seed screening device for agricultural production.
Background
Sowing is an essential step in agricultural production, and seeds need to be screened before being sown, so a seed screening device for agricultural production is needed.
The invention discloses a seed screening device for agricultural production, which aims to overcome the defects in the prior art and discloses the seed screening device for agricultural production to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a seed screening device for agricultural production, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a seed screening device for agricultural production comprises a screening box, wherein a first connecting hole is formed in the front side of the screening box, a second connecting hole is formed in the back side of the screening box, the screening box is rotatably connected with a screening barrel through the first connecting hole and the second connecting hole, a first sliding groove and a second sliding groove are formed in one side of the screening box, the screening box is slidably connected with two collecting boxes through the first sliding groove and the second sliding groove, and a pulling handle is fixedly connected to one side of each collecting box;
the axis of rotation that the positive fixedly connected with of a screen cylinder contacted with first connecting hole, the rotating tube that the back fixedly connected with of a screen cylinder contacted with the second connecting hole, the back fixedly connected with connection elbow of rotating tube, the last fixed surface of connection elbow is connected with the funnel, the positive fixedly connected with connecting plate of axis of rotation, the positive fixedly connected with rotation handle of connecting plate, the excircle fixed surface of a screen cylinder is connected with the connection rectangular piece, the upper surface of connecting the rectangular piece has been seted up and has been derived the groove.
Preferably, first connecting hole and second connecting hole all run through to the inner chamber of screening case, the axis of rotation is rotated and is connected in first connecting hole, the rotating tube rotates and connects in the second connecting hole.
Preferably, the inner cavity of the rotating pipe is communicated with the inner cavity of the screening cylinder, the inner cavity of the connecting bent pipe is communicated with the inner cavity of the rotating pipe, and the inner cavity of the funnel is communicated with the inner cavity of the connecting bent pipe.
Preferably, the guide-out groove penetrates through the inner cavity of the screening drum, and the rotating handle is arranged at a position far away from the rotating shaft.
Preferably, first sliding tray and second sliding tray all run through to the inner chamber of a screening section of thick bamboo, the second sliding tray is seted up in the position that is close to screening case lower surface, first sliding tray is seted up in the top of second sliding tray.
Preferably, the excircle surface fixedly connected with first spacing ring of axis of rotation, the diameter of first spacing ring is greater than the diameter of axis of rotation, the back of first spacing ring is laminated mutually with the front of screening case.
Preferably, the outer circle surface of the rotating tube is fixedly connected with a second limiting ring, the diameter of the second limiting ring is larger than that of the rotating tube, and the front face of the second limiting ring is attached to the back face of the screening box.
Preferably, the screening case openly two sets of lugs of fixedly connected with, every group all include two dwangs in the lug, every group equal fixedly connected with dwang in the lug, the screening case is connected with two turning blocks through the dwang rotation.
Preferably, the rotation hole that contacts with the dwang is all seted up to one side of turning block, the rotation hole all runs through to the opposite side of turning block, two the rotation hole rotates respectively and connects on two dwangs, two contact pieces of positive fixedly connected with of screening case, two contact pieces set up respectively under two dwangs.
The invention discloses a seed screening device for agricultural production, which has the following beneficial effects:
the seed screening device for agricultural production is provided with the screening box, the screening cylinder and the collecting box, when the seeds are screened, firstly, a collecting box slides out of a first sliding groove, seeds are poured into a funnel and can be placed into an inner cavity of a screening drum, the user rotates the screening drum by rotating the handle, the reciprocating swing of the screening drum can screen seeds, unqualified seeds can fall out of the screening holes on the screening drum and fall into the collection box in the second sliding groove, after the seeds in the screening cylinder are screened, the collecting box in the first sliding groove is positioned under the screening cylinder, the screening cylinder is rotated to enable the connecting long block to face downwards, the seeds fall into the collecting box in the first sliding groove from the guide-out groove, just so can collect unqualified seed and qualified seed, the device has the function that can be convenient for filter the seed and can collect unqualified seed and qualified seed.
This a seed sieving mechanism for agricultural production is through setting up first spacing ring and second spacing ring, the diameter of first spacing ring is greater than the diameter of axis of rotation, the diameter of second spacing ring is greater than the diameter of rotating tube, the back of first spacing ring and the front of second spacing ring laminate with the front and the back of screening case respectively for the cartridge filter can only rotate and can't remove in the inner chamber of screening case, the device has and makes the cartridge filter only can be in the inner chamber of screening case pivoted function.
This a seed sieving mechanism for agricultural production is through setting up the dwang, contact piece and turning block, cooperation through rotating hole and dwang, make two turning blocks can rotate on the dwang, when the lower surface of turning block and the upper surface that contacts the piece laminate mutually, can receive the restriction to the rotation of filter screen cylinder, can't rotate the filter screen cylinder to the position of connecting the rectangular piece down, can prevent like this that user misoperation from making qualified seed drop from deriving the inslot before the seed screening is accomplished, the device has can prevent that user misoperation from making qualified seed from deriving the function that the inslot dropped before the seed screening is accomplished.
Drawings
FIG. 1 is a schematic structural diagram of the present invention during screening;
FIG. 2 is a schematic diagram of the screened structure of the present invention;
FIG. 3 is a schematic view of the structure of the screening box of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic structural view of a screen cylinder according to the present invention;
FIG. 6 is a full sectional view of a screen cylinder of the present invention;
fig. 7 is a schematic structural diagram of a turning block of the present invention.
In the figure: 1. a screening box; 101. a first connection hole; 102. a second connection hole; 103. a first sliding groove; 104. a second sliding groove; 105. a bump; 106. rotating the rod; 107. a contact block; 2. a screening cylinder; 201. a rotating shaft; 202. rotating the tube; 203. connecting a bent pipe; 204. a funnel; 205. a connecting plate; 206. rotating the handle; 207. connecting the long blocks; 208. a lead-out slot; 209. a first limit ring; 210. a second stop collar; 3. a collection box; 301. pulling the handle; 4. rotating the block; 401. the hole is rotated.
Detailed Description
The embodiment of the invention discloses a seed screening device for agricultural production, which comprises a screening box 1, wherein a first connecting hole 101 is formed in the front surface of the screening box 1, a second connecting hole 102 is formed in the back surface of the screening box 1, the first connecting hole 101 and the second connecting hole 102 penetrate through an inner cavity of the screening box 1, and the screening box 1 is rotatably connected with a screening cylinder 2 through the first connecting hole 101 and the second connecting hole 102.
First sliding tray 103 and second sliding tray 104 have been seted up to one side of screening case 1, first sliding tray 103 and second sliding tray 104 all run through to the inner chamber of filter cartridge 2, second sliding tray 104 is seted up in the position that is close to screening case 1 lower surface, first sliding tray 103 is seted up in the top of second sliding tray 104 and is screened case 1 through first sliding tray 103 and second sliding tray 104 sliding connection have two collecting box 3, one side fixedly connected with pulling handle 301 of collecting box 3.
The axis of rotation 201 that the front fixedly connected with of filter cylinder 2 contacted with first connecting hole 101, the rotating tube 202 that the back fixedly connected with of filter cylinder 2 contacted with second connecting hole 102, axis of rotation 201 rotate to be connected in first connecting hole 101, rotating tube 202 rotates to be connected in second connecting hole 102.
The back of the rotating pipe 202 is fixedly connected with a connecting bent pipe 203, the upper surface of the connecting bent pipe 203 is fixedly connected with a funnel 204, the inner cavity of the rotating pipe 202 is communicated with the inner cavity of the screening drum 2, the inner cavity of the connecting bent pipe 203 is communicated with the inner cavity of the rotating pipe 202, and the inner cavity of the funnel 204 is communicated with the inner cavity of the connecting bent pipe 203.
The positive fixedly connected with connecting plate 205 of axis of rotation 201, the positive fixedly connected with of connecting plate 205 rotates handle 206, and the excircle fixed surface of filter tube 2 is connected with and connects rectangular 207, connects the upper surface of rectangular 207 and has seted up derivation groove 208, and derivation groove 208 runs through to the inner chamber of filter tube 2, rotates handle 206 and sets up the position of keeping away from axis of rotation 201.
The device is through setting up screening case 1, filter cylinder 2 and collecting box 3, when screening the seed, slide out from first sliding tray 103 with a collecting box 3 earlier, the seed is poured into in funnel 204, can put into the inner chamber of filter cylinder 2 with the seed, the user rotates filter cylinder 2 through rotating handle 206, the reciprocal swing of filter cylinder 2 can be screened the seed, unqualified seed can drop out and fall in collecting box 3 in second sliding tray 104 from the screening hole on filter cylinder 2, after the screening of seed is accomplished in filter cylinder 2, collecting box 3 in first sliding tray 103 is under filter cylinder 2 earlier, it makes connection length piece 207 down to rotate filter cylinder 2, the seed falls in collecting box 3 in first sliding tray 103 from deriving groove 208, just so can collect unqualified seed and qualified seed, the device has and can be convenient for screening the seed and can collect unqualified seed and qualified seed The function of (c).
The excircle surface fixedly connected with first spacing ring 209 of axis of rotation 201, the diameter of first spacing ring 209 is greater than the diameter of axis of rotation 201, and the back of first spacing ring 209 is laminated mutually with the front of screening case 1.
The outer circle surface of the rotating tube 202 is fixedly connected with a second limiting ring 210, the diameter of the second limiting ring 210 is larger than that of the rotating tube 202, and the front surface of the second limiting ring 210 is attached to the back surface of the screening box 1.
The device is through setting up first spacing ring 209 and second spacing ring 210, the diameter of first spacing ring 209 is greater than the diameter of axis of rotation 201, the diameter of second spacing ring 210 is greater than the diameter of rotating tube 202, the back of first spacing ring 209 and the front of second spacing ring 210 are laminated with the front and the back of screening case 1 respectively, make screening cylinder 2 only can rotate and can't remove in the inner chamber of screening case 1, the device has and makes screening cylinder 2 only can be in the inner chamber pivoted function of screening case 1.
Two sets of lugs 105 of screening case 1 positive fixedly connected with set up lug 105 and are all including two dwang 106 in every group lug 105 for connecting dwang 106, equal fixedly connected with dwang 106 in every group lug 105, and screening case 1 rotates through dwang 106 and is connected with two turning blocks 4.
The device is through setting up dwang 106, contact piece 107 and turning block 4, through the cooperation of rotating hole 401 and dwang 106, make two turning blocks 4 can rotate on dwang 106, when the lower surface of turning block 4 and the upper surface of contact piece 107 laminated, can receive the restriction to the rotation of filter screen section of thick bamboo 2, can't rotate filter screen section of thick bamboo 2 to the position that connects rectangular block 207 down, can prevent like this that user misoperation from making qualified seed drop from deriving the inslot 208 before the seed screening is accomplished, the device has the function that can prevent that user misoperation from making qualified seed drop from deriving the inslot 208 before the seed screening is accomplished.
The working principle is as follows: when the device is used, the first connecting hole 101 is matched with the rotating shaft 201, the second connecting hole 102 is matched with the rotating pipe 202, so that the screening cylinder 2 can rotate in the inner cavity of the screening box 1, the two collecting boxes 3 are respectively and slidably connected in the first sliding groove 103 and the second sliding groove 104, when seeds are screened, one collecting box 3 slides out of the first sliding groove 103 but is not completely separated from the first sliding groove 103 by pulling the handle 301, the collecting box 3 in the second sliding groove 104 is positioned under the screening cylinder 2, then the seeds are poured into the funnel 204, because the inner cavity of the rotating pipe 202 is communicated with the inner cavity of the screening cylinder 2, the inner cavity of the connecting bent pipe 203 is communicated with the inner cavity of the rotating pipe 202, the inner cavity of the funnel 204 is communicated with the inner cavity of the connecting bent pipe 203, so that the seeds can be placed in the inner cavity of the screening cylinder 2, then, a user rotates the screening drum 2 through the rotating handle 206 connected with the connecting plate 205, but the screening drum 2 does not do complete circular motion and does reciprocating swing, the reciprocating swing of the screening drum 2 can screen seeds, the seeds with insufficiently full grains can fall out of the screening holes on the screening drum 2 and fall into the collecting box 3 in the second sliding groove 104, so that the seeds can be screened conveniently, after the seeds in the screening drum 2 are screened, the qualified seeds need to be taken out, the collecting box 3 in the first sliding groove 103 is moved towards the inner cavity of the screening box 1 to enable the collecting box 3 to be positioned under the screening drum 2, then the screening drum 2 is rotated to enable the connecting long block 207 to face downwards, the seeds fall into the collecting box 3 in the first sliding groove 103 from the guiding groove 208, so that the unqualified seeds and the qualified seeds can be collected, the device has the function that can be convenient for screen the seed and can collect unqualified seed and qualified seed.
The device is through setting up screening case 1, filter cylinder 2 and collecting box 3, when screening the seed, slide out from first sliding tray 103 with a collecting box 3 earlier, the seed is poured into in funnel 204, can put into the inner chamber of filter cylinder 2 with the seed, the user rotates filter cylinder 2 through rotating handle 206, the reciprocal swing of filter cylinder 2 can be screened the seed, unqualified seed can drop out and fall in collecting box 3 in second sliding tray 104 from the screening hole on filter cylinder 2, after the screening of seed is accomplished in filter cylinder 2, collecting box 3 in first sliding tray 103 is under filter cylinder 2 earlier, it makes connection length piece 207 down to rotate filter cylinder 2, the seed falls in collecting box 3 in first sliding tray 103 from deriving groove 208, just so can collect unqualified seed and qualified seed, the device has and can be convenient for screening the seed and can collect unqualified seed and qualified seed The function of (c).
The excircle surfaces at axis of rotation 201 and rotating tube 202 are fixedly connected with first spacing ring 209 and second spacing ring 210 respectively, the back of first spacing ring 209 and the front of second spacing ring 210 are laminated with the front and the back of screening case 1 respectively, and the diameter of first spacing ring 209 is greater than the diameter of axis of rotation 201, the diameter of second spacing ring 210 is greater than the diameter of rotating tube 202, make like this that a screening cylinder 2 can only rotate and can't remove in the inner chamber of screening case 1, the device has the function that makes a screening cylinder 2 can only rotate in the inner chamber of screening case 1.
The device is through setting up first spacing ring 209 and second spacing ring 210, the diameter of first spacing ring 209 is greater than the diameter of axis of rotation 201, the diameter of second spacing ring 210 is greater than the diameter of rotating tube 202, the back of first spacing ring 209 and the front of second spacing ring 210 are laminated with the front and the back of screening case 1 respectively, make screening cylinder 2 only can rotate and can't remove in the inner chamber of screening case 1, the device has and makes screening cylinder 2 only can be in the inner chamber pivoted function of screening case 1.
Two rotating rods 106 are fixedly connected with the front surface of the screening box 1 through a projection 105, and through the matching of the rotating holes 401 and the rotating rods 106, the two rotating blocks 4 can rotate on the rotating rods 106, when the lower surface of the rotary block 4 is engaged with the upper surface of the contact block 107, the rotation of the screen cylinder 2 can be restricted by the rotary block 4, the screen cylinder 2 cannot be rotated to a position where the connection block 207 faces downward, this prevents user errors from dropping the qualified seeds from the discharge chute 208 before seed sorting is complete, after the seeds are completely screened, the rotating block 4 is rotated to enable the upper surface of the rotating block 4 to be attached to the front surface of the screening box 1, the screening cylinder 2 can be rotated to the position where the connecting long block 207 faces downwards, and the device has the function of preventing qualified seeds from falling out of the guiding-out groove 208 due to misoperation of a user before the seeds are screened.
The device is through setting up dwang 106, contact piece 107 and turning block 4, through the cooperation of rotating hole 401 and dwang 106, make two turning blocks 4 can rotate on dwang 106, when the lower surface of turning block 4 and the upper surface of contact piece 107 laminated, can receive the restriction to the rotation of filter screen section of thick bamboo 2, can't rotate filter screen section of thick bamboo 2 to the position that connects rectangular block 207 down, can prevent like this that user misoperation from making qualified seed drop from deriving the inslot 208 before the seed screening is accomplished, the device has the function that can prevent that user misoperation from making qualified seed drop from deriving the inslot 208 before the seed screening is accomplished.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A seed sieving mechanism for agricultural production, includes screening case (1), its characterized in that: the front side of the screening box (1) is provided with a first connecting hole (101), the back side of the screening box (1) is provided with a second connecting hole (102), the screening box (1) is rotatably connected with the screening drum (2) through the first connecting hole (101) and the second connecting hole (102), one side of the screening box (1) is provided with a first sliding groove (103) and a second sliding groove (104), the screening box (1) is slidably connected with two collecting boxes (3) through the first sliding groove (103) and the second sliding groove (104), and one side of each collecting box (3) is fixedly connected with a pulling handle (301);
the axis of rotation (201) that the positive fixedly connected with of filter screen section of thick bamboo (2) contacted with first connecting hole (101), the back fixedly connected with of filter screen section of thick bamboo (2) contacts with rotating-tube (202) of second connecting hole (102), the back fixedly connected with of rotating-tube (202) connects return bend (203), the last fixed surface of connecting return bend (203) is connected with funnel (204), the positive fixedly connected with connecting plate (205) of axis of rotation (201), the positive fixedly connected with of connecting plate (205) rotates handle (206), the excircle fixed surface of filter screen section of thick bamboo (2) is connected with connection rectangular piece (207), the upper surface of connecting rectangular piece (207) has been seted up and has been led out groove (208).
2. A seed screening apparatus for agricultural production according to claim 1, wherein: first connecting hole (101) and second connecting hole (102) all run through to the inner chamber of screening case (1), axis of rotation (201) are rotated and are connected in first connecting hole (101), rotating tube (202) are rotated and are connected in second connecting hole (102).
3. A seed screening apparatus for agricultural production according to claim 1, wherein: the inner cavity of the rotating pipe (202) is communicated with the inner cavity of the screening drum (2), the inner cavity of the connecting bent pipe (203) is communicated with the inner cavity of the rotating pipe (202), and the inner cavity of the funnel (204) is communicated with the inner cavity of the connecting bent pipe (203).
4. A seed screening apparatus for agricultural production according to claim 1, wherein: the guide-out groove (208) penetrates through the inner cavity of the screening drum (2), and the rotating handle (206) is arranged at a position far away from the rotating shaft (201).
5. A seed screening apparatus for agricultural production according to claim 1, wherein: first sliding tray (103) and second sliding tray (104) all run through to the inner chamber of screening cylinder (2), second sliding tray (104) are seted up and are being close to the position of screening case (1) lower surface, first sliding tray (103) are seted up in the top of second sliding tray (104).
6. A seed screening apparatus for agricultural production according to claim 1, wherein: the excircle surface fixedly connected with first spacing ring (209) of axis of rotation (201), the diameter of first spacing ring (209) is greater than the diameter of axis of rotation (201), the back of first spacing ring (209) is laminated mutually with the front of screening case (1).
7. A seed screening apparatus for agricultural production according to claim 1, wherein: the outer circle surface of the rotating tube (202) is fixedly connected with a second limiting ring (210), the diameter of the second limiting ring (210) is larger than that of the rotating tube (202), and the front face of the second limiting ring (210) is attached to the back face of the screening box (1).
8. A seed screening apparatus for agricultural production according to claim 1, wherein: screening case (1) openly two sets of lugs (105) of fixedly connected with, every group all include two dwang (106) in lug (105), every group equal fixedly connected with dwang (106) in lug (105), screening case (1) is rotated through dwang (106) and is connected with two turning blocks (4).
9. A seed screening apparatus for agricultural production according to claim 8, wherein: rotation hole (401) that contact with dwang (106) are all seted up to one side of turning block (4), rotate hole (401) and all run through to the opposite side of turning block (4), two it rotates respectively to connect on two dwang (106) to rotate hole (401), two contact blocks (107), two of the positive fixedly connected with of screening case (1) contact block (107) set up respectively under two dwang (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816180.0A CN113414099B (en) | 2021-07-19 | 2021-07-19 | Seed screening device for agricultural production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816180.0A CN113414099B (en) | 2021-07-19 | 2021-07-19 | Seed screening device for agricultural production |
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| CN113414099A true CN113414099A (en) | 2021-09-21 |
| CN113414099B CN113414099B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110816180.0A Active CN113414099B (en) | 2021-07-19 | 2021-07-19 | Seed screening device for agricultural production |
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| CN113414099B (en) | 2022-12-16 |
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