CN114700259A - Agricultural seed selection device - Google Patents
Agricultural seed selection device Download PDFInfo
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- CN114700259A CN114700259A CN202210537078.1A CN202210537078A CN114700259A CN 114700259 A CN114700259 A CN 114700259A CN 202210537078 A CN202210537078 A CN 202210537078A CN 114700259 A CN114700259 A CN 114700259A
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- box body
- rod
- screen frame
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- 238000012216 screening Methods 0.000 claims abstract description 138
- 238000007599 discharging Methods 0.000 claims description 12
- 230000010405 clearance mechanism Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
-
- 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
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- 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
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
-
- 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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses an agricultural seed selection device, which comprises a box body, and an upper-layer screening frame and a lower-layer screening frame which are positioned in the box body, wherein the upper-layer screening frame and the lower-layer screening frame are sequentially distributed from top to bottom, a first screening hole is formed in the surface of the upper-layer screening frame, a second screening hole is formed in the surface of the lower-layer screening frame, the diameter of the first screening hole is larger than that of the second screening hole, a driving assembly for driving the upper-layer screening frame and the lower-layer screening frame to reciprocate along the horizontal direction is arranged in the box body, a feeding hole is formed in the upper surface of the box body, and the feeding hole is positioned right above the upper-layer screening frame. According to the invention, the driving assembly is arranged so as to drive the upper-layer screening frame and the lower-layer screening frame to reciprocate in the horizontal direction at the same time, so that the screening efficiency of the upper-layer screening frame and the lower-layer screening frame is effectively improved, and the diameter of the first screening hole is larger than that of the second screening hole, so that the upper-layer screening frame and the lower-layer screening frame can screen two kinds of seeds with different specifications.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to an agricultural seed selection device.
Background
The seeds are selected for plump, undamaged seeds. The seed selection is mainly to select the best seeds, because the germination rate of the current agricultural seeds is less than 100%, the seeds which cannot be used as agricultural seeds, such as mildewed seeds, deteriorated seeds, defective seeds and the like, must be selected by seed selection, and finally the best seeds are left, so that the agricultural production can be smoothly carried out.
However, in the actual use process, the traditional seed selection device can only select the most plump seeds with the largest specification and cannot subdivide the seeds.
Therefore, an agricultural seed selection device is provided to solve the problems.
Disclosure of Invention
The invention aims to provide an agricultural seed selection device which is provided with a driving assembly so as to drive an upper-layer screening frame and a lower-layer screening frame to reciprocate in the horizontal direction at the same time, so that the screening efficiency of the upper-layer screening frame and the lower-layer screening frame is effectively improved, and the upper-layer screening frame and the lower-layer screening frame can screen two kinds of seeds with different specifications because the diameter of a first screening hole is larger than that of a second screening hole, so that the device has the advantage of effectively improving the practicability, and the problem that only one kind of maximum and fullest seed can be screened and subdivision cannot be carried out is solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an agricultural seed selection device, includes the box to and be located upper screen frame and the lower floor screen frame of box, upper screen frame and lower floor screen frame from the top down distribute in proper order, upper screen frame surface has first screening hole, lower floor screen frame surface has second screening hole, the diameter in first screening hole is greater than the diameter in second screening hole, be provided with in the box and be used for driving upper screen frame and lower floor screen frame along horizontal direction reciprocating motion's drive assembly, the box upper surface has the feed inlet, the feed inlet is located directly over the upper screen frame.
Preferably, the driving assembly comprises a vertical plate vertically fixed on the bottom surface of the inner wall of the box body, the surface of the vertical plate is provided with two symmetrically distributed rectangular chutes, two rectangular sliding blocks are connected in the rectangular chutes in a sliding mode and two first springs are fixedly connected in the rectangular chutes in a symmetrical mode, the rectangular sliding blocks are fixedly connected to the end portions of the two first springs, one of the rectangular sliding blocks is connected with a driving rod in a surface rotating mode, the driving rod is driven by external driving equipment, the other rectangular sliding block is connected with a swing rod in a surface rotating mode, and the swing rod and the driving rod are connected in a rotating mode.
Preferably, the upper surface of the vertical plate is provided with two symmetrically distributed bar-shaped sliding grooves, the two bar-shaped sliding grooves and the two rectangular sliding blocks are mutually corresponding and communicated, rectangular sliding rods are vertically fixed on the upper surfaces of the two rectangular sliding blocks, the rectangular sliding rod is connected in the strip-shaped sliding groove in a sliding manner, the upper end of the rectangular sliding rod extends out of the strip-shaped sliding groove, wherein a first supporting plate is vertically fixed on the upper surface of one of the rectangular slide bars, the lower-layer screening frame is rotationally connected to the first supporting plate, the surface of the first supporting plate is provided with through holes corresponding to the second screening holes, the upper surface of the other rectangular sliding rod is fixedly connected with a U-shaped connecting rod, the upper end of the U-shaped connecting rod is fixedly connected with a second supporting plate which is parallel to the first supporting plate, the upper-layer screening frame is rotatably connected to the second supporting plate, and through holes corresponding to the first screening holes are formed in the surface of the second supporting plate.
Preferably, be provided with the clearance mechanism that is used for clearing up the seed in the box, clearance mechanism includes two racks, two the rack is fixed connection in first backup pad and second backup pad respectively, it is connected with the gear to rotate in the box, the gear be located between two racks and with two rack intermeshing.
Preferably, an annular box body is sleeved outside a rotating shaft of the gear, a connecting rod is fixed between the annular box body and the inner wall of the box body, the annular box body is of a hollow structure, a cavity is annular, a partition plate is fixedly connected in the annular box body, a movable groove is formed in one side wall, close to the rotating shaft of the gear, of the annular box body, a movable groove and an arc plate are arranged in the annular box body and used for covering the movable groove and the arc plate, a linkage rod coaxially fixed with the gear is arranged in the box body, one end of the linkage rod penetrates through the movable groove and is fixedly connected to the arc plate, a piston plate is integrally fixed to the surface of the arc plate, a first cavity and a second cavity are formed in the annular box body, two one-way air outlet valves are installed on one side, close to an upper-layer screening frame, of the annular box body correspond to the first cavity and the second cavity respectively, and two one-way air inlet valves are installed on one side, far away from the upper-layer screening frame, of the annular box body, the two one-way air inlet valves correspond to the first cavity and the second cavity respectively.
Preferably, be provided with three hornblocks of first triangle-shaped piece and second in the box to and be used for driving three hornblocks of first triangle-shaped piece and the three hornblocks of second along the subassembly of unloading of horizontal direction removal, three hornblocks of first triangle-shaped piece and second are right angled triangle, three hornblocks of first triangle-shaped piece and second are close to upper screen frame one side and are the inclined plane to being close to upper screen frame one side and keeping away from upper screen frame one side and inclining from bottom to top, the lower surface of three hornblocks of first triangle-shaped piece is located same horizontal position with the upper surface of second backup pad, the lower surface of three hornblocks of second is located same horizontal position with the upper surface of first backup pad.
Preferably, one side of the surface of the box body is provided with a first rectangular discharge hole, one side of the box body, which is far away from the first rectangular discharge hole, is provided with a second rectangular discharge hole, a hinge point between the upper-layer screening frame and the second support plate is close to one side of the first rectangular discharge hole, a hinge point between the lower-layer screening frame and the first support plate is close to one side of the second rectangular discharge hole, a first inclined guide plate is fixedly connected in the first rectangular discharge hole, one side of the first inclined guide plate extends to the lower part of the second support plate, the other side of the first inclined guide plate extends to the outer side of the box body, the first inclined guide plate inclines from the side close to the second support plate to the side far away from the second support plate from top to bottom, a second inclined guide plate is fixedly connected in the second rectangular discharge hole, one side of the second inclined guide plate extends to the lower part of the first support plate, and the other side extends to the outside of the box body, the second inclined guide plate inclines from the side close to the first support plate to the side far away from the first support plate from top to bottom.
Preferably, first triangle piece and second triangle piece are kept away from equal vertical fixation in upper screen frame surface one side and are had the spliced pole, the subassembly of unloading includes the spliced pole, the spliced pole is two be fixed with U font support piece jointly between the spliced pole, U font support piece's lower limb rotates and is connected with the first body of rod, the flexible second body of rod of pegging graft of first body of rod one end, second body of rod one end fixed connection is on the box inner wall, the second body of rod internal fixation has the second spring, second spring one end is laminated with first body of rod one end each other, the sharp spout and the pitch arc spout of mutual intercommunication are seted up on second body of rod surface, first body of rod fixed surface is connected with the locking lever, the locking lever extends to outside the second body of rod, and sliding connection is in sharp spout and pitch arc.
Preferably, be provided with bottom plate one and bottom plate two in the box, install the gasbag between bottom plate one and the bottom plate two, two all install the pipeline on the one-way admission valve, two the pipeline all passes bottom plate one and communicates each other with the gasbag, reciprocal anchorage between pipeline and the bottom plate one, fixedly connected with third spring between bottom plate two and the box inner wall bottom surface, fixedly connected with L shape push rod under the bottom plate two.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the driving assembly is arranged so as to drive the upper-layer screening frame and the lower-layer screening frame to simultaneously reciprocate in the horizontal direction, so that the screening efficiency of the upper-layer screening frame and the lower-layer screening frame is effectively improved, and the upper-layer screening frame and the lower-layer screening frame can screen two kinds of seeds with different specifications because the diameter of the first screening hole is larger than that of the second screening hole, so that the practicability of the device is effectively improved.
2. The cleaning mechanism is arranged, so that weeds and dust in the seeds can be cleaned conveniently.
3. According to the seed screening device, the discharging assembly is arranged, so that after the seeds are screened, the first triangular block and the second triangular block are driven to simultaneously move to one side close to the upper-layer screening frame, the first triangular block enters between the upper-layer screening frame and the second supporting plate, one side of the upper-layer screening frame is supported, the upper-layer screening frame is inclined, the screened seeds are poured onto the first inclined guide plate, and the seeds slide to the outer side of the box body through the first inclined guide plate; meanwhile, the second triangular block enters between the lower-layer screening frame and the first supporting plate, one side of the lower-layer screening frame is supported, so that the lower-layer screening frame is inclined, screened seeds are poured onto the second inclined guide plate, and the seeds slide to the outer side of the box body through the second inclined guide plate; thereby realize carrying out the automation to the seed of two kinds of specifications size and unload, the effectual convenient degree that has improved the device.
Drawings
FIG. 1 is a schematic view of an agricultural seed selection device according to the present invention;
FIG. 2 is a schematic structural diagram of a driving assembly according to the present invention;
FIG. 3 is a schematic structural view of a cleaning mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of the annular cassette of the present invention;
FIG. 5 is a schematic view of the first and second triangular blocks of the present invention;
FIG. 6 is a schematic structural view of a discharge assembly of the present invention;
fig. 7 is an enlarged view of a portion a of fig. 6 according to the present invention.
In the figure: 1. a box body; 11. a first rectangular discharge port; 12. a second rectangular discharge port; 13. a feed inlet; 21. an upper screening frame; 211. a first screening well; 22. a lower layer screening frame; 221. a second screening well; 3. a drive assembly; 31. a vertical plate; 32. a rectangular chute; 33. a rectangular slider; 34. a first spring; 35. a drive rod; 36. a swing rod; 37. a strip-shaped chute; 38. a rectangular slide bar; 391. a first support plate; 392. a U-shaped connecting rod; 393. a second support plate; 4. a cleaning mechanism; 41. a rack; 42. a gear; 43. an annular box body; 431. a movable groove; 432. a first cavity; 433. a second cavity; 44. a partition plate; 45. an arc-shaped plate; 46. a linkage rod; 47. a piston plate; 48. a one-way air outlet valve; 49. a one-way intake valve; 51. a first inclined guide plate; 52. a second inclined guide plate; 61. a first triangular block; 62. a second triangular block; 7. a discharge assembly; 71. connecting columns; 72. a U-shaped support member; 73. a first rod body; 731. a locking lever; 74. a second rod body; 741. a linear chute; 742. an arc chute; 75. a second spring; 76. a first bottom plate; 77. a second bottom plate; 78. an air bag; 79. a pipeline; 791. a third spring; 792. an L-shaped push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an agricultural seed selection device, includes box 1 to and be located upper screen frame 21 and lower floor screen frame 22 of box 1, upper screen frame 21 and lower floor screen frame 22 from the top down distribute in proper order, upper screen frame 21 surface has first screening hole 211, lower floor screen frame 22 surface has second screening hole 221, the diameter of first screening hole 211 is greater than the diameter of second screening hole 221, be provided with in the box 1 and be used for driving upper screen frame 21 and lower floor screen frame 22 along horizontal direction reciprocating motion's drive assembly 3, box 1 upper surface has feed inlet 13, feed inlet 13 is located directly over upper screen frame 21.
In use, pour the seed of treating the screening into box 1 through feed inlet 13 earlier, make the seed of treating the screening fall on upper screen frame 21, through setting up drive assembly 3, so that drive upper screen frame 21 and lower floor's screen frame 22 carry out the reciprocating motion on the horizontal direction simultaneously, the effectual screening efficiency that improves upper screen frame 21 and lower floor's screen frame 22, and because the diameter of first screening hole 211 is greater than the diameter of second screening hole 221, then the seed of two kinds of different specifications can be selected to upper screen frame 21 and lower floor's screen frame 22, the effectual practicality that improves the device.
The driving assembly 3 comprises a vertical plate 31 vertically fixed on the bottom surface of the inner wall of the box body 1, two rectangular sliding grooves 32 which are symmetrically distributed are formed in the surface of the vertical plate 31, two rectangular sliding blocks 33 are connected in the rectangular sliding grooves 32 in a sliding mode, two first springs 34 which are symmetrically distributed are fixedly connected in the rectangular sliding grooves 32 in a sliding mode, the rectangular sliding blocks 33 are fixedly connected to the end portions of the two first springs 34, one of the rectangular sliding blocks 33 is rotatably connected to a driving rod 35 in the surface, the driving rod 35 is driven by external driving equipment, the other rectangular sliding block 33 is rotatably connected to a swing rod 36 in the surface, and the swing rod 36 is rotatably connected with the driving rod 35.
The external driving device is a motor.
In use, under the initial condition, rectangle slider 33 is located the intermediate position of rectangle spout 32, and meanwhile, drive lever 35 is vertical form, and pendulum rod 36 is the slope form, starts external drive equipment motor and drives drive lever 35 and rotate, and drive lever 35 can drive two rectangle sliders 33 along horizontal direction reciprocating motion through pendulum rod 36, and the moving direction of two rectangle sliders 33 is opposite all the time.
The upper surface of the vertical plate 31 is provided with two symmetrically distributed bar-shaped sliding grooves 37, the two bar-shaped sliding grooves 37 and the two rectangular sliding blocks 33 are corresponding to each other and are communicated with each other, the upper surfaces of the two rectangular sliding blocks 33 are vertically fixed with rectangular sliding rods 38, the rectangular sliding rods 38 are slidably connected in the bar-shaped sliding grooves 37, the upper ends of the rectangular sliding rods 38 extend out of the bar-shaped sliding grooves 37, the upper surface of one of the rectangular sliding rods 38 is vertically fixed with a first supporting plate 391, the lower-layer screening frame 22 is rotatably connected to the first supporting plate 391, the surface of the first supporting plate 391 is provided with through holes corresponding to the second screening holes 221, the upper surface of the other rectangular sliding rod 38 is fixedly connected with a U-shaped connecting rod 392, the upper end of the U-shaped connecting rod 392 is fixedly connected with a second supporting plate 393 parallel to the first supporting plate 391, the upper-layer screening frame 21 is rotatably connected to the second supporting plate 393, the surface of the second support plate 393 is provided with through holes corresponding to the first screening holes 211.
In use, in an initial state, the upper-layer screening frame 21, the second supporting plate 393, the lower-layer screening frame 22 and the first supporting plate 391 are in a mutually parallel state, when the two rectangular sliding blocks 33 reciprocate along the horizontal direction, the rectangular sliding rods 38 fixed on the surfaces of the two rectangular sliding blocks can be driven to reciprocate along the horizontal direction, one rectangular sliding rod 38 drives the U-shaped connecting rod 392 fixed on the upper surface of the rectangular sliding rod to reciprocate along the horizontal direction, the U-shaped connecting rod 392 drives the second supporting plate 393 fixed at the upper end of the U-shaped connecting rod to reciprocate along the horizontal direction, the second supporting plate 393 drives the upper-layer screening frame 21 to reciprocate along the horizontal direction, and when the upper-layer screening frame 21 shakes left and right, seeds with smaller specifications and unqualified seeds are screened out and fall on the lower-layer screening frame 22;
meanwhile, the other rectangular sliding rod 38 drives the first supporting plate 391 fixed at the top end to reciprocate along the horizontal direction, the first supporting plate 391 drives the lower-layer screening frame 22 to reciprocate along the horizontal direction, and when the lower-layer screening frame 22 shakes left and right, unqualified seeds can be screened out, and seeds with relatively small specifications are left.
Example two
Referring to fig. 3-4, on the basis of the first embodiment, a cleaning mechanism 4 for cleaning seeds is further disposed in the box body 1.
In use, the cleaning mechanism 4 is arranged to facilitate cleaning of some weeds and dust within the seed.
The cleaning mechanism 4 includes two racks 41, the two racks 41 are respectively and fixedly connected to the first support plate 391 and the second support plate 393, a gear 42 is rotatably connected to the case 1, and the gear 42 is located between the two racks 41 and is engaged with the two racks 41.
In use, since the first support plate 391 and the second support plate 393 move in opposite directions, the two racks 41 are also in opposite directions, and the two racks 41 rotate the gear 42 engaged with the racks to and fro.
An annular box body 43 is sleeved outside a rotating shaft of the gear 42, a connecting rod is fixed between the annular box body 43 and the inner wall of the box body 1, the annular box body 43 is of a hollow structure, a cavity is in an annular shape, a partition plate 44 is fixedly connected in the annular box body 43, a movable groove 431 is formed in one side wall, close to the rotating shaft of the gear 42, of the annular box body 43, the movable groove 431 and an arc plate 45 are used for covering the annular box body 43, a linkage rod 46 coaxially fixed with the gear 42 is arranged in the box body 1, one end of the linkage rod 46 penetrates through the movable groove 431 and is fixedly connected onto the arc plate 45, a piston plate 47 is integrally fixed on the surface of the arc plate 45, a first cavity 432 and a second cavity 433 are formed in the annular box body 43, two one-way air outlet valves 48 are installed on one side, close to the upper screening frame 21, of the annular box body 43, the two one-way air outlet valves 48 respectively correspond to the first cavity 432 and the second cavity 433, two one-way air inlet valves 49 are installed on one side, away from the upper-layer screening frame 21, of the annular box body 43, and the two one-way air inlet valves 49 correspond to the first cavity 432 and the second cavity 433 respectively.
When in use, the gear 42 can drive the linkage rod 46 coaxially fixed with the gear to swing back and forth while rotating back and forth, and the linkage rod 46 drives the piston plate 47 to swing back and forth along with the arc plate 45;
when the piston plate 47 rotates towards one side close to the first cavity 432, the air in the first cavity 432 is extruded, so that the air in the first cavity 432 is sprayed out through the corresponding one-way air outlet valve 48, weeds in the upper-layer screening frame 21 are blown out, and meanwhile, the one-way air inlet valve 49 corresponding to the second cavity 433 sucks air into the second cavity 433;
when the piston plate 47 rotates toward the side close to the second cavity 433, the air in the second cavity 433 is squeezed, so that the air in the second cavity 433 is ejected out through the one-way air outlet valve 48 corresponding to the air in the second cavity 433, weeds in the lower screening frame 22 are blown out, and meanwhile, the one-way air inlet valve 49 corresponding to the first cavity 432 sucks air into the first cavity 432.
EXAMPLE III
Referring to fig. 1-7, on the basis of the second embodiment, a first rectangular discharging hole 11 is formed in one side of the surface of the box body 1, a second rectangular discharging hole 12 is formed in one side of the box body 1 away from the first rectangular discharging hole 11, a hinge point between the upper-layer screening frame 21 and the second support plate 393 is close to one side of the first rectangular discharging hole 11, a hinge point between the lower-layer screening frame 22 and the first support plate 391 is close to one side of the second rectangular discharging hole 12, a first inclined guide plate 51 is fixedly connected in the first rectangular discharging hole 11, one side of the first inclined guide plate 51 extends to the lower side of the second support plate 393, the other side of the first inclined guide plate 51 extends to the outer side of the box body 1, the first inclined guide plate 51 is inclined from the side close to the second support plate 393 to the side away from the top to the bottom, a second inclined guide plate 52 is fixedly connected in the second rectangular discharging hole 12, the second inclined guide plate 52 extends from one side to the lower side of the first support plate 391 to the outside of the case 1, and the second inclined guide plate 52 is inclined from the top to the bottom from the side close to the first support plate 391 to the side far from the first support plate 391.
Be provided with first triangle piece 61 and second triangle piece 62 in the box 1 to and be used for driving first triangle piece 61 and the triangle piece 62 of second and remove along the subassembly 7 of unloading of horizontal direction removal, first triangle piece 61 and second triangle piece 62 are right triangle, first triangle piece 61 and second triangle piece 62 are close to upper screen frame 21 one side and are the inclined plane to be close to upper screen frame 21 one side and to keeping away from upper screen frame 21 one side and slope from bottom to top, the lower surface of first triangle piece 61 and the upper surface of second backup pad 393 are located same horizontal position, the lower surface of second triangle piece 62 and the upper surface of first backup pad 391 are located same horizontal position.
In use, the discharging assembly 7 is arranged, so that after seed screening is completed, the first triangular block 61 and the second triangular block 62 are driven to move towards one side close to the upper-layer screening frame 21 at the same time, the first triangular block 61 enters between the upper-layer screening frame 21 and the second supporting plate 393, one side of the upper-layer screening frame 21 is supported, the upper-layer screening frame 21 is inclined, screened seeds are poured onto the first inclined guide plate 51 and slide to the outer side of the box body 1 through the first inclined guide plate 51; meanwhile, the second triangular block 62 enters between the lower-layer screening frame 22 and the first supporting plate 391, and supports one side of the lower-layer screening frame 22, so that the lower-layer screening frame 22 is inclined, screened seeds are poured on the second inclined-plane guide plate 52 and slide to the outer side of the box body 1 through the second inclined-plane guide plate 52; thereby realize carrying out the automation to the seed of two kinds of specifications size and unload, the effectual convenient degree that has improved the device.
In use, initially, the first triangular block 61 is not inserted between the upper screen frame 21 and the second support plate 393, the second triangular block 62 is not inserted between the lower screen frame 22 and the first support plate 391, the locking bar 731 is located at an end of the arc chute 742 remote from the linear chute 741, the second spring 75 is in a contracted state, after the seeds are screened, the locking rod 731 is rotated to move along the arc chute 742 into the linear chute 741, meanwhile, the second spring 75 drives the first rod body 73 to move towards one side far away from the second rod body 74 through resilience force, the first rod body 73 drives the U-shaped support piece 72 to move towards one side far away from the second rod body 74, the U-shaped support piece 72 drives the connecting column 71 to move towards one side far away from the second rod body 74, and the two connecting columns 71 respectively drive the first triangular block 61 and the second triangular block 62 to move towards one side close to the upper-layer screening frame 21.
Be provided with bottom plate one 76 and bottom plate two 77 in the box 1, install gasbag 78 between bottom plate one 76 and the bottom plate two 77, two all install pipeline 79 on the one-way admission valve 49, two pipeline 79 all passes bottom plate one 76 and communicates with each other with gasbag 78, mutual fixed between pipeline 79 and the bottom plate one 76, fixedly connected with third spring 791 between bottom plate two 77 and the 1 inner wall bottom surface of box, the fixed surface is connected with L shape push rod 792 under the bottom plate two 77.
In the initial state, the air bag 78 is filled with gas, the third spring 791 is contracted,
in use, the one-way air intake valve 49 continuously sucks the air in the air bag 78 into the annular box 43, the air bag 78 gradually contracts, the second bottom plate 77 is also gradually moved upward by the pushing force of the third spring 791, the second bottom plate 77 drives the L-shaped push rod 792 fixed on the lower surface thereof to gradually move upward, the L-shaped push rod 792 gradually abuts against the locking rod 731 and pushes the locking rod 731, so that the locking rod 731 moves into the linear slide groove 741 along the arc slide groove 742.
Example four
The present embodiment is substantially the same as the third embodiment, except that the diameters of the first screening holes 211 and the second screening holes 221 are the same, through holes corresponding to the second screening holes 221 are formed on the surface of the first supporting plate 391, and through holes corresponding to the first screening holes 211 are formed on the surface of the second supporting plate 393.
In use, the first screening holes 211 and the second screening holes 221 are set to be the same in diameter, so that seeds of the same specification can be screened for the second time, and the screening quality of the device is effectively improved.
The working principle is as follows: when the agricultural seed selection device is used, in an initial state, the rectangular sliding blocks 33 are located in the middle of the rectangular sliding grooves 32, meanwhile, the driving rods 35 are vertical, the swing rods 36 are inclined, an external driving device motor is started to drive the driving rods 35 to rotate, the driving rods 35 can drive the two rectangular sliding blocks 33 to reciprocate along the horizontal direction through the swing rods 36, the moving directions of the two rectangular sliding blocks 33 are always opposite, in the initial state, the upper-layer screening frame 21, the second supporting plate 393, the lower-layer screening frame 22 and the first supporting plate 391 are in a mutually parallel state, when the two rectangular sliding blocks 33 reciprocate along the horizontal direction, the rectangular sliding rods 38 fixed on the surfaces of the two rectangular sliding blocks can be driven to reciprocate along the horizontal direction, one rectangular sliding rod 38 drives the U-shaped connecting rod 392 fixed on the upper surface of the rectangular sliding block to reciprocate along the horizontal direction, the U-shaped connecting rod 392 drives the second supporting plate 393 fixed at the upper end of the U-shaped connecting rod to reciprocate along the horizontal direction, the second supporting plate 393 drives the upper-layer screening frame 21 to reciprocate along the horizontal direction, and when the upper-layer screening frame 21 shakes left and right, the seeds with smaller specifications and unqualified seeds are screened out and fall onto the lower-layer screening frame 22;
meanwhile, the other rectangular sliding rod 38 drives the first supporting plate 391 fixed at the top end to reciprocate along the horizontal direction, the first supporting plate 391 drives the lower-layer screening frame 22 to reciprocate along the horizontal direction, and when the lower-layer screening frame 22 shakes left and right, unqualified seeds can be screened out, and seeds with relatively small specifications are left;
because the moving directions of the first supporting plate 391 and the second supporting plate 393 are opposite, the directions of the two racks 41 are also opposite, the two racks 41 drive the gear 42 meshed with the two racks to rotate back and forth, the gear 42 can drive the linkage rod 46 coaxially fixed with the gear to swing back and forth while rotating back and forth, and the linkage rod 46 drives the piston plate 47 to swing back and forth along with the arc-shaped plate 45;
when the piston plate 47 rotates towards one side close to the first cavity 432, the air in the first cavity 432 is extruded, so that the air in the first cavity 432 is sprayed out through the corresponding one-way air outlet valve 48, weeds in the upper-layer screening frame 21 are blown out, and meanwhile, the one-way air inlet valve 49 corresponding to the second cavity 433 sucks air into the second cavity 433;
when the piston plate 47 rotates towards one side close to the second cavity 433, the air in the second cavity 433 is squeezed, so that the air in the second cavity 433 is ejected out through the one-way air outlet valve 48 corresponding to the air in the second cavity 433, weeds in the lower-layer screening frame 22 are blown out, and meanwhile, the one-way air inlet valve 49 corresponding to the first cavity 432 sucks air into the first cavity 432;
in an initial state, the first triangular block 61 does not enter between the upper-layer screening frame 21 and the second support plate 393, the second triangular block 62 does not enter between the lower-layer screening frame 22 and the first support plate 391, the locking rod 731 is located at one end of the arc chute 742 far away from the straight chute 741, the second spring 75 is in a contraction state, after the seed screening is completed, the locking rod 731 is rotated to move to the straight chute 741 along the arc chute 742, meanwhile, the second spring 75 drives the first rod 73 to move to one side far away from the second rod 74 through resilience force, the first rod 73 drives the U-shaped support 72 to move to one side far away from the second rod 74, the U-shaped support 72 drives the connecting post 71 to move to one side far away from the second rod 74, the two connecting posts 71 respectively drive the first triangular block 61 and the second triangular block 62 to move to one side near the upper-layer screening frame 21, so that the first triangular block 61 enters between the upper-layer screening frame 21 and the second support plate 393, one side of the upper-layer screening frame 21 is supported, so that the upper-layer screening frame 21 is inclined, screened seeds are poured on the first inclined guide plate 51 and slide to the outer side of the box body 1 through the first inclined guide plate 51; meanwhile, the second triangular block 62 enters between the lower-layer screening frame 22 and the first supporting plate 391 to support one side of the lower-layer screening frame 22, so that the lower-layer screening frame 22 is inclined, screened seeds are poured on the second inclined-plane guide plate 52 and slide to the outer side of the box body 1 through the second inclined-plane guide plate 52.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An agricultural seed selection device which is characterized in that: including box (1) to and be located upper screen frame (21) and lower floor screen frame (22) of box (1), upper screen frame (21) and lower floor screen frame (22) from the top down distribute in proper order, upper screen frame (21) surface has first screening hole (211), lower floor screen frame (22) surface has second screening hole (221), the diameter of first screening hole (211) is greater than the diameter of second screening hole (221), be provided with in box (1) and be used for driving drive assembly (3) of upper screen frame (21) and lower floor screen frame (22) along horizontal direction reciprocating motion, box (1) upper surface has feed inlet (13), feed inlet (13) are located upper screen frame (21) directly over.
2. An agricultural seed selection device according to claim 1, wherein: drive assembly (3) are including riser (31) of vertical fixation in box (1) inner wall bottom surface, two symmetric distribution's rectangle spout (32) are seted up on riser (31) surface, two equal sliding connection has rectangle slider (33), two in rectangle spout (32) equal fixedly connected with two symmetric distribution's first spring (34), rectangle slider (33) fixed connection is in the tip of two first springs (34), one of them rectangle slider (33) surface rotation is connected with actuating lever (35), actuating lever (35) are driven by external drive equipment, the other rectangle slider (33) surface rotation is connected with pendulum rod (36), rotate between pendulum rod (36) and actuating lever (35) and be connected.
3. An agricultural seed selection device according to claim 2, wherein: two symmetrically distributed bar sliding grooves (37) are formed in the upper surface of the vertical plate (31), the bar sliding grooves (37) are communicated with the rectangular sliding blocks (33), the rectangular sliding blocks (38) are correspondingly arranged between the rectangular sliding blocks (33) and are communicated with each other, the rectangular sliding blocks (33) are vertically fixed to the upper surface of each rectangular sliding block (38), the rectangular sliding blocks (38) are connected into the bar sliding grooves (37) in a sliding mode, the upper ends of the rectangular sliding blocks (38) extend out of the bar sliding grooves (37), one of the rectangular sliding blocks (38) is vertically fixed to a first supporting plate (391), the lower screening frame (22) is connected onto the first supporting plate (391) in a rotating mode, through holes corresponding to the second screening holes (221) are formed in the surface of the first supporting plate (391), the other rectangular sliding blocks (38) are fixedly connected with U-shaped connecting rods (392), and the upper ends of the U-shaped connecting rods (392) are fixedly connected with second supporting plates parallel to the first supporting plate (391) (393) The upper-layer screening frame (21) is rotatably connected to the second supporting plate (393), and through holes corresponding to the first screening holes (211) are formed in the surface of the second supporting plate (393).
4. An agricultural seed selection device according to claim 3, wherein: be provided with clearance mechanism (4) that are used for clearing up the seed in box (1), clearance mechanism (4) include two rack (41), two rack (41) fixed connection respectively in first backup pad (391) and second backup pad (393), box (1) internal rotation is connected with gear (42), gear (42) are located between two rack (41) and with two rack (41) intermeshing.
5. An agricultural seed selection device according to claim 4, wherein: an annular box body (43) is sleeved outside a rotating shaft of the gear (42), a connecting rod is fixed between the annular box body (43) and the inner wall of the box body (1), the annular box body (43) is of a hollow structure, a cavity is annular, a partition plate (44) is fixedly connected in the annular box body (43), a movable groove (431) is formed in one side wall, close to the rotating shaft of the gear (42), of the annular box body (43), the annular box body (43) is internally provided with a movable groove (431) and an arc-shaped plate (45) which are used for covering the movable groove (431), a linkage rod (46) coaxially fixed with the gear (42) is arranged in the box body (1), one end of the linkage rod (46) penetrates through the movable groove (431) and is fixedly connected to the arc-shaped plate (45), a piston plate (47) is integrally fixed on the surface of the arc-shaped plate (45), and a first cavity (432) and a second cavity (433) are formed in the annular box body (43), annular box body (43) are close to upper screen frame (21) one side and install two one-way air outlet valve (48), two one-way air outlet valve (48) correspond each other with first cavity (432) and second cavity (433) respectively, annular box body (43) are kept away from upper screen frame (21) one side and are installed two one-way admission valve (49), two one-way admission valve (49) correspond each other with first cavity (432) and second cavity (433) respectively.
6. An agricultural seed selection device according to claim 5, wherein: the utility model discloses a screening machine, including box (1), be provided with first triangle piece (61) and second triangle piece (62) in the box (1) to and be used for driving first triangle piece (61) and second triangle piece (62) along the subassembly (7) of unloading of horizontal direction removal, first triangle piece (61) and second triangle piece (62) are right triangle, first triangle piece (61) and second triangle piece (62) are close to upper screen frame (21) one side and are the inclined plane, thereby are close to upper screen frame (21) one side and are kept away from upper screen frame (21) one side and incline from bottom to top, the lower surface of first triangle piece (61) and the upper surface of second backup pad (393) are located same horizontal position, the lower surface of second triangle piece (62) and the upper surface of first backup pad (391) are located same horizontal position.
7. An agricultural seed selection device according to claim 6, wherein: a first rectangular discharge port (11) is formed in one side of the surface of the box body (1), a second rectangular discharge port (12) is formed in one side, away from the first rectangular discharge port (11), of the box body (1), a hinge point between the upper-layer screening frame (21) and the second supporting plate (393) is close to one side of the first rectangular discharge port (11), a hinge point between the lower-layer screening frame (22) and the first supporting plate (391) is close to one side of the second rectangular discharge port (12), a first inclined guide plate (51) is fixedly connected in the first rectangular discharge port (11), one side of the first inclined guide plate (51) extends to the lower side of the second supporting plate (393), the other side of the first inclined guide plate extends to the outer side of the box body (1), the first inclined guide plate (51) inclines from top to bottom from one side close to the second supporting plate (393) to one side away from the second supporting plate (393), and a second inclined guide plate (52) is fixedly connected in the second rectangular discharge port (12), one side of the second inclined guide plate (52) extends to the lower part of the first support plate (391), the other side of the second inclined guide plate extends to the outside of the box body (1), and the second inclined guide plate (52) inclines from the side close to the first support plate (391) to the side far away from the first support plate (391) from top to bottom.
8. An agricultural seed selection device according to claim 6, wherein: the discharging assembly comprises a first triangular block (61) and a second triangular block (62), wherein connecting columns (71) are vertically fixed on one side of the surface of an upper-layer screening frame (21), the discharging assembly (7) comprises the connecting columns (71), U-shaped supporting pieces (72) are jointly fixed between the two connecting columns (71) of the connecting columns (71), the lower edge of each U-shaped supporting piece (72) is rotatably connected with a first rod body (73), one end of each first rod body (73) is telescopically inserted into a second rod body (74), one end of each second rod body (74) is fixedly connected onto the inner wall of a box body (1), a second spring (75) is fixedly connected into each second rod body (74), one end of each second spring (75) is mutually attached to one end of each first rod body (73), and a straight line sliding groove (741) and an arc sliding groove (742) which are mutually communicated are formed in the surface of each second rod body (74), the surface of the first rod body (73) is fixedly connected with a locking rod (731), the locking rod (731) extends out of the second rod body (74) and is connected with the linear sliding groove (741) and the arc sliding groove (742) in a sliding mode.
9. An agricultural seed selection device according to claim 8, wherein: be provided with bottom plate (76) and bottom plate two (77) in box (1), install gasbag (78), two between bottom plate (76) and bottom plate two (77) all install pipeline (79), two on one-way admission valve (49) pipeline (79) all pass bottom plate (76) and gasbag (78) intercommunication each other, reciprocal anchorage between pipeline (79) and bottom plate (76), fixedly connected with third spring (791) between bottom plate two (77) and box (1) inner wall bottom surface, bottom plate two (77) lower surface fixedly connected with L shape push rod (792).
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| CN114700259B (en) | 2023-10-24 |
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