Seed sieving mechanism is used to agricultural
Technical Field
The utility model relates to a sieving mechanism especially relates to a seed sieving mechanism is used to agricultural.
Background
In order to improve the quality of seeds, the seeds are usually required to be screened, and the seeds are not beneficial to culture due to shrivelled grains, deformed grains, larger grains or smaller grains and the like. Various problems easily occur in the planting process, such as low germination rate, low survival rate, poor drought and waterlogging resistance and the like. Therefore, only the seeds with proper particle size are screened out for planting, and the planting efficiency of crops can be effectively ensured. And, the seed that the granule size is moderate is favorable to mechanized seeding, the common screening mode of current seed screening is artifical screening mostly, artifical through the observation to the seed, treat screening seed plumpness according to self, judge such as size, the seed that will meet the demands or be not conform to the demands is chosen in turn, artifical screening efficiency is low, intensity of labour is big, and the screening is not thorough, still there is the seed of tiny granule in the seed of big granule, consequently need to find and develop a screening efficiency height, can reduce artifical intensity of labour, and can screen thorough seed sieving mechanism for the agricultural with the seed.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
The utility model discloses an overcome the most artifical screening of the common screening mode of current seed screening, artifical through the observation to the seed, treat screening seed plumpness according to self, judge such as size, select the seed that meets the requirements or is not conform to the requirements in turn, artifical screening efficiency is low, intensity of labour is big, and the screening is not thorough, still has the shortcoming of the seed of small granule in the seed of big granule, the to-be-solved technical problem of the utility model is to provide a screening efficiency height, can reduce artifical intensity of labour to can screen thorough seed sieving mechanism for the agricultural with the seed.
The utility model is achieved by the following concrete technical means:
an agricultural seed screening device comprises a bottom plate, a first elastic piece, a supporting seat, a swinging mechanism, a mounting plate, a first connecting plate, a second connecting plate, a discharging mechanism, a screening mechanism and a collecting mechanism; the mounting plate is fixedly connected to one end of the bottom plate along the vertical direction, and the supporting seat is fixedly connected to the top of the bottom plate; the screening mechanism is hinged with the top of the supporting seat and is connected with the bottom plate through a first elastic piece; the swinging mechanism is fixedly connected to the bottom plate and the mounting plate, and the output end of the swinging mechanism is matched with the screening mechanism; the collecting mechanism is fixedly connected to one end of the bottom plate, which is far away from the mounting plate, and the output end of the screening mechanism is positioned in the collecting mechanism; the discharging mechanism is connected with the mounting plate through a first connecting plate and a second connecting plate and is positioned above the screening mechanism; the output end of the discharging mechanism is positioned in the screening mechanism;
the driving mechanism comprises a third connecting plate, a first bearing seat, a cam, a first rotating shaft, a first conical gear, a second conical gear, a first connecting rod, a second bearing seat, a second rotating shaft and a motor; the third connecting plate and the first connecting rod are fixedly connected to one side, close to the screening mechanism, of the mounting plate, and the first connecting rod is located below the third connecting plate; the first bearing seat is fixedly connected to one end, far away from the mounting plate, of the third connecting plate, and the first rotating shaft is pivoted with the first bearing seat; the cam and the first conical gear are fixedly connected to the first rotating shaft, and the distance from the cam to the first bearing seat is smaller than the distance from the first conical gear to the first bearing seat; the cam is matched with the screening mechanism, the second bearing seat is fixedly connected to one end, far away from the mounting plate, of the first connecting rod, and the middle part of the second rotating shaft is pivoted with the second bearing seat; the motor is fixedly connected to the top of the bottom plate, and the output end of the motor is fixedly connected to the bottom of the second rotating shaft; the second bevel gear is fixedly connected to the top of the second rotating shaft and meshed with the first bevel gear;
the discharging mechanism comprises a discharging box, a funnel, a first baffle, a first fixed block, a butterfly bolt, a first discharging pipe, a cover plate, a first pull ring and a sliding sleeve; the discharging box is connected with the mounting plate through a first connecting plate and a second connecting plate, the hopper and a first fixing block are fixedly connected to the bottom of the discharging box, the sliding sleeve is fixedly connected to one side, close to the first fixing block, of the hopper, a threaded hole is formed in the first fixing block, a butterfly bolt is in threaded connection with the threaded hole, one end, close to the hopper, of the butterfly bolt is in sliding connection with the sliding sleeve and extends into the hopper, and a first baffle is fixedly connected to one end, located in the hopper, of the butterfly bolt; one end of the first discharge pipe is fixedly connected to the bottom of the funnel, and the other end of the first discharge pipe is positioned in the screening mechanism; the cover plate is hinged with the top of the discharge box, and the first pull ring is fixedly connected with the top of the cover plate;
the screening mechanism comprises a screening box, a first screening screen plate, a second baffle plate, a third baffle plate, a first screen frame, a first placing frame, a fourth baffle plate, a second screen frame, a second placing frame, a second discharging pipe, a first inserting rod, a second fixing block, a second inserting rod, a third fixing block and a first guide sleeve; the bottom of the screening box is hinged with the top of the supporting seat, and the screening box is connected with the bottom plate through a first elastic piece; the first guide sleeve is fixedly connected to the top of the screening box, the first discharge pipe is fixedly connected to the first guide sleeve and extends into the screening box, the first screening screen plate, the second screening screen plate and the second baffle are fixedly connected into the screening box in a tilting mode at a certain angle, and the second screening screen plate is located between the first screening screen plate and the second baffle; a first discharge port and a second discharge port are formed in one side, away from the mounting plate, of the screening box, the first discharge port is located above the first screening screen plate, and the second discharge port is located above the second screening screen plate; the first placing frame is fixedly connected to one side, away from the mounting plate, of the screening box and is positioned below the first discharge hole; the first screen frame is placed in the first placing frame, one end of the third baffle is hinged with the first placing frame, the second fixing block is fixedly connected to one side, away from the mounting plate, of the screening box, and the second fixing block is located above the first discharge hole; a first through hole is formed in the second fixing block, a first inserting rod penetrates through the first through hole to be inserted and matched with one end, far away from the first placing frame, of the third baffle plate, and the second placing frame is fixedly connected to one side, far away from the mounting plate, of the screening box and is located below the second discharge hole; the second screen frame is placed in the second placing frame, one end of the fourth baffle is hinged with the second placing frame, the third fixing block is fixedly connected to one side, away from the mounting plate, of the screening box, and the third fixing block is located above the second discharge hole; a second through hole is formed in the third fixing block, and a second inserting rod penetrates through the second through hole to be in inserting fit with one end, far away from the second placing frame, of the fourth baffle; one end of the second discharge pipe is fixedly connected to one side of the screening box away from the mounting plate, and the other end of the second discharge pipe is positioned in the collecting mechanism;
the collecting mechanism comprises a collecting box, a second guide sleeve, a sliding block, a sliding rail and a second pull ring; a collection frame; the collecting box is fixedly connected to the top of the bottom plate, the second guide sleeve is fixedly connected to the top of the collecting box, the second discharging pipe is fixedly connected to the second guide sleeve and extends into the collecting box, the sliding block is fixedly connected to the bottom in the collecting box, the sliding rail is slidably connected with the sliding block, the second pull ring is fixedly connected to the sliding rail, and the collecting frame is placed on the top of the sliding rail;
the swing mechanism also comprises a second elastic piece, a second connecting rod, a swing rod and a knocking block; the second connecting rod is fixedly connected to one side of the mounting plate close to the screening box; the middle part of the swing rod is hinged with the second connecting rod, and the bottom of the swing rod is connected with the mounting plate through a second elastic piece; the knocking block is fixedly connected to the top of the swinging rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model has the advantages of high screening efficiency, reduced labor intensity, and thorough seed screening, and the screening mechanism can swing left and right through the matching of the swing mechanism and the first elastic piece, thereby screening the seeds, screening the seeds by a screening mechanism, dividing the seeds into a large type, a medium type and a small type according to the size of the particles, thereby facilitating the workers to discard the unqualified seeds and to sow and culture the high-quality seeds, the falling quantity of the seeds is controlled by the discharging mechanism, the incomplete screening caused by excessive seeds in the screening mechanism is avoided, meanwhile, the seeds are prevented from being clamped on the first screening mesh plate and the second screening mesh plate due to the excessive number of the seeds, the seeds of the small particles are taken out through the collecting mechanism, so that the workers can timely clean the seeds of the small particles in the collecting frame, and the seeds are conveniently screened next time.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a first front view structural schematic diagram of the swing mechanism of the present invention.
Fig. 3 is a schematic view of the discharging mechanism of the present invention.
Fig. 4 is a schematic view of the screening mechanism of the present invention.
Fig. 5 is an enlarged schematic front view of a in fig. 4 according to the present invention.
Fig. 6 is an enlarged front view schematic diagram of B in fig. 4 according to the present invention.
Fig. 7 is a schematic view of the collecting mechanism of the present invention.
Fig. 8 is a second front view structural diagram of the swing mechanism of the present invention.
The labels in the figures are: 1-a bottom plate, 2-a first elastic element, 3-a support base, 4-a swing mechanism, 41-a third connecting plate, 42-a first bearing base, 43-a cam, 44-a first rotating shaft, 45-a first conical gear, 46-a second conical gear, 47-a first connecting rod, 48-a second bearing base, 49-a second rotating shaft, 410-a motor, 411-a second elastic element, 412-a second connecting rod, 413-a swing rod, 414-a knocking block, 5-a mounting plate, 6-a first connecting plate, 7-a second connecting plate, 8-a discharging mechanism, 81-a discharging box, 82-a funnel, 83-a first baffle, 84-a first fixing block, 85-a threaded hole, 86-a butterfly bolt, 87-a first discharging pipe, 88-cover plate, 89-first pull ring, 810-sliding sleeve, 9-screening mechanism, 91-screening box, 92-first screening screen plate, 93-first discharge port, 94-second screening screen plate, 95-second discharge port, 96-second baffle, 97-third baffle, 98-first screen frame, 99-first placing frame, 910-fourth baffle, 911-second screen frame, 912-second placing frame, 913-second discharge pipe, 914-first inserted bar, 915-second fixed block, 916-first through hole, 917-second inserted bar, 918-third fixed block, 919-second through hole, 920-first guide sleeve, 10-collecting mechanism, 101-collecting box, 102-second guide sleeve, 103-sliding block, 104-sliding rail, 105-second tab, 106-collection frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
An agricultural seed screening device is shown in figures 1-8 and comprises a bottom plate 1, a first elastic part 2, a supporting seat 3, a swinging mechanism 4, a mounting plate 5, a first connecting plate 6, a second connecting plate 7, a discharging mechanism 8, a screening mechanism 9 and a collecting mechanism 10; the mounting plate 5 is fixedly connected to one end of the bottom plate 1 along the vertical direction, and the supporting seat 3 is fixedly connected to the top of the bottom plate 1; the screening mechanism 9 is hinged with the top of the supporting seat 3, and the screening mechanism 9 is connected with the bottom plate 1 through the first elastic piece 2; the swinging mechanism 4 is fixedly connected to the bottom plate 1 and the mounting plate 5, and the output end of the swinging mechanism 4 is matched with the screening mechanism 9; the collecting mechanism 10 is fixedly connected to one end of the bottom plate 1 far away from the mounting plate 5, and the output end of the screening mechanism 9 is positioned in the collecting mechanism 10; the discharging mechanism 8 is connected with the mounting plate 5 through a first connecting plate 6 and a second connecting plate 7, and the discharging mechanism 8 is positioned above the screening mechanism 9; the output end of the discharging mechanism 8 is positioned in the screening mechanism 9.
When will screening the seed, put into discharge mechanism 8 with the seed that needs the screening, control discharge mechanism 8 function, thereby control the seed and fall into screening mechanism 9, swing mechanism 4 function is controlled again, when swing mechanism 4's output acts on screening mechanism 9, make screening mechanism 9 swing right, first elastic component 2 is compressed, when screening mechanism 9 is kept away from to the output of swing mechanism 4, make screening mechanism 9 swing left because the effect of first elastic component 2 elastic force makes this moment, so through the cooperation of swing mechanism 4 and first elastic component 2, drive screening mechanism 9 horizontal hunting, make screening mechanism 9 carry out thorough screening to the seed, thereby make the seed divide into big, medium, little three types according to the size of granule.
After the seed screening is completed, the seeds of large particles and medium particles are taken out from the screening mechanism 9, the seeds of small particles fall into the collecting mechanism 10, and the collecting mechanism 10 is controlled to operate, so that the seeds of small particles in the collecting mechanism 10 are taken out, and the screening of the seeds is completed.
Further, the driving mechanism includes a third connecting plate 41, a first bearing seat 42, a cam 43, a first rotating shaft 44, a first bevel gear 45, a second bevel gear 46, a first connecting rod 47, a second bearing seat 48, a second rotating shaft 49 and a motor 410; the third connecting plate 41 and the first connecting rod 47 are both fixedly connected to one side of the mounting plate 5 close to the screening mechanism 9, and the first connecting rod 47 is positioned below the third connecting plate 41; the first bearing seat 42 is fixedly connected to one end of the third connecting plate 41 away from the mounting plate 5, and the first rotating shaft 44 is pivotally connected with the first bearing seat 42; the cam 43 and the first bevel gear 45 are both fixedly connected to the first rotating shaft 44, and the distance from the cam 43 to the first bearing seat 42 is smaller than the distance from the first bevel gear 45 to the first bearing seat 42; the cam 43 is matched with the screening mechanism 9, the second bearing seat 48 is fixedly connected to one end of the first connecting rod 47 far away from the mounting plate 5, and the middle part of the second rotating shaft 49 is pivoted with the second bearing seat 48; the motor 410 is fixedly connected to the top of the bottom plate 1, and the output end of the motor 410 is fixedly connected to the bottom of the second rotating shaft 49; the second bevel gear 46 is fixed on the top of the second rotating shaft 49, and the second bevel gear 46 is meshed with the first bevel gear 45.
Specifically, when will drive screening mechanism 9 horizontal hunting, control motor 410 clockwise rotates, thereby motor 410's output drives second pivot 49 clockwise, and then drive second bevel gear 46 clockwise, clockwise rotation's second bevel gear 46 drives first bevel gear 45 anticlockwise, thereby drive first pivot 44 and cam 43 anticlockwise, when the farthest end of cam 43 rotates to screening mechanism 9 bottom, drive screening mechanism 9 and swing right, first elastic component 2 is compressed, when the farthest end of cam 43 rotates from screening mechanism 9 bottom, make screening mechanism 9 swing left because the effect of first elastic component 2 elasticity this moment, so through the cooperation of swing mechanism 4 and first elastic component 2, make screening mechanism 9 can the horizontal hunting, thereby filter the seed.
Further, the discharging mechanism 8 comprises a discharging box 81, a funnel 82, a first baffle 83, a first fixing block 84, a butterfly bolt 86, a first discharging pipe 87, a cover plate 88, a first pull ring 89 and a sliding sleeve 810; the discharging box 81 is connected with the mounting plate 5 through the first connecting plate 6 and the second connecting plate 7, the funnel 82 and the first fixing block 84 are fixedly connected to the bottom of the discharging box 81, the sliding sleeve 810 is fixedly connected to one side, close to the first fixing block 84, of the funnel 82, the first fixing block 84 is provided with a threaded hole 85, the butterfly bolt 86 is in threaded connection with the threaded hole 85, one end, close to the funnel 82, of the butterfly bolt 86 is in sliding connection with the sliding sleeve 810 and extends into the funnel 82, and the first baffle 83 is fixedly connected to one end, located in the funnel 82, of the butterfly bolt 86; one end of the first discharge pipe 87 is fixedly connected to the bottom of the funnel 82, and the other end is positioned in the screening mechanism 9; the cover plate 88 is hinged with the top of the discharging box 81, and the first pull ring 89 is fixedly connected with the top of the cover plate 88.
According to the aforesaid, when will be to carry the seed in screening mechanism 9, through first pull ring 89 with apron 88 clockwise rotation 90 degrees, thereby rotate apron 88 from ejection of compact case 81 top, pour the seed that needs the screening into ejection of compact case 81 again, control first pull ring 89 with apron 88 anticlockwise rotation 90 degrees, thereby cover ejection of compact case 81, wait the seed and place the back that finishes, the staff rotates according to actual screening condition control butterfly bolt 86, thereby first baffle 83 rotates certain angle, thereby control the seed and follow funnel 82 with certain flow, first discharging pipe 87 falls into screening mechanism 9, so control the quantity that the seed falls into screening mechanism 9 through discharge mechanism 8, the screening that has avoided leading to because of too much seed in screening mechanism 9 is incomplete.
Further, the screening mechanism 9 includes a screening box 91, a first screening screen plate 92, a second screening screen plate 94, a second baffle 96, a third baffle 97, a first screen frame 98, a first placing frame 99, a fourth baffle 910, a second screen frame 911, a second placing frame 912, a second discharging pipe 913, a first inserting rod 914, a second fixing block 915, a second inserting rod 917, a third fixing block 918, and a first guide sleeve 920; the bottom of the screening box 91 is hinged with the top of the supporting seat 3, and the screening box 91 is connected with the bottom plate 1 through the first elastic piece 2; the first guide sleeve 920 is fixedly connected to the top of the screening box 91, the first discharge pipe 87 is fixedly connected to the first guide sleeve 920 and extends into the screening box 91, the first screening screen plate 92, the second screening screen plate 94 and the second baffle plate 96 are fixedly connected into the screening box 91 in a tilting mode at a certain angle, and the second screening screen plate 94 is located between the first screening screen plate 92 and the second baffle plate 96; a first discharge port 93 and a second discharge port 95 are formed in one side, away from the mounting plate 5, of the screening box 91, the first discharge port 93 is located above the first screening screen plate 92, and the second discharge port 95 is located above the second screening screen plate 94; the first placing frame 99 is fixedly connected to one side of the screening box 91 far away from the mounting plate 5 and is positioned below the first discharge hole 93; the first screen frame 98 is placed in the first placing frame 99, one end of the third baffle 97 is hinged with the first placing frame 99, the second fixing block 915 is fixedly connected to one side, far away from the mounting plate 5, of the screening box 91, and the second fixing block 915 is located above the first discharging hole 93; a first through hole 916 is formed in the second fixing block 915, the first insertion rod 914 penetrates through the first through hole 916 to be in inserted fit with one end, far away from the first placing frame 99, of the third baffle 97, and the second placing frame 912 is fixedly connected to one side, far away from the mounting plate 5, of the screening box 91 and is located below the second discharge hole 95; the second screen frame 911 is placed in the second placing frame 912, one end of the fourth baffle 910 is hinged to the second placing frame 912, the third fixing block 918 is fixedly connected to one side of the screening box 91 far away from the mounting plate 5, and the third fixing block 918 is located above the second discharge hole 95; a second through hole 919 is formed in the third fixing block 918, and a second inserting rod 917 penetrates through the second through hole 919 to be in inserted fit with one end, far away from the second placing frame 912, of the fourth baffle 910; one end of the second discharging pipe 913 is fixedly connected to one side of the screening box 91 far away from the mounting plate 5, and the other end is located in the collecting mechanism 10.
When the seeds are to be screened, the seeds to be screened are conveyed to the first screening net plate 92 by the first discharging pipe 87, the operated swing mechanism 4 and the first elastic member 2 make the screening box 91 swing left and right, so that the seeds of medium particles and small particles in the screening box 91 are filtered from the first screening net plate 92 and fall onto the second screening net plate 94, and simultaneously the seeds of small particles are filtered from the second screening net plate 94 and fall onto the second baffle plate 96, so that the seeds of small particles fall into the collecting mechanism 10 from the second discharging pipe 913, after the screening is completed, the first inserting rod 914 is controlled to ascend, so that the third baffle plate 97 is loosened, the third baffle plate 97 is rotated clockwise by 90 degrees, so that the seeds of large particles fall into the first net frame 98, the first net frame 98 is taken out, so that the seeds of large particles are taken out, and the second inserting rod 917 is controlled to ascend, thereby loosen fourth baffle 910, clockwise rotation 90 degrees with fourth baffle 910 again, thereby make the seed of well granule fall into second net frame 911, take out second net frame 911 again, thereby take out the seed of well granule, so filter the seed through screening mechanism 9, make the seed divide into big, well, little three types according to the size of granule, thereby make things convenient for the staff to give up unqualified seed, sow high-quality seed, cultivate.
Further, the collecting mechanism 10 comprises a collecting box 101, a second guide sleeve 102, a sliding block 103, a sliding rail 104 and a second pull ring 105; a collection frame 106; the collecting box 101 is fixedly connected to the top of the bottom plate 1, the second guide sleeve 102 is fixedly connected to the top of the collecting box 101, the second discharging pipe 913 is fixedly connected to the second guide sleeve 102 and extends into the collecting box 101, the sliding block 103 is fixedly connected to the bottom inside the collecting box 101, the sliding rail 104 is slidably connected with the sliding block 103, the second pull ring 105 is fixedly connected to the sliding rail 104, and the collecting frame 106 is placed on the top of the sliding rail 104.
When the seed of small granule will be taken out, control second pull ring 105 pulls out slide rail 104 outside collecting box 101 to drive collection frame 106 and pull out outside collecting box 101, and then take out the small granule seed in collecting frame 106, so take out the seed of small granule through collecting mechanism 10, make the clearance that the staff can be timely collect the small granule seed in frame 106, conveniently carry out the screening next time.
Further, the swing mechanism 4 further comprises a second elastic element 411, a second connecting rod 412, a swing rod 413 and a knocking block 414; the second connecting rod 412 is fixedly connected to one side of the mounting plate 5 close to the screening box 91; the middle part of the swinging rod 413 is hinged with the second connecting rod 412, and the bottom of the swinging rod 413 is connected with the mounting plate 5 through a second elastic piece 411; knock block 414 is secured to the top of sway bar 413.
In specific implementation, when the farthest end of the cam 43 rotates to the position where the swing rod 413 contacts the swing rod 413, the swing rod 413 rotates clockwise, the second elastic member 411 is compressed, the clockwise rotation swing drives the knocking block 414 to move rightwards to knock the screening mechanism 9, so that the seeds are not clamped on the first screening mesh plate 92 and the second screening mesh plate 94, and meanwhile, the screening box 91 can swing more severely, and the seeds are screened more thoroughly.
It should be noted that: the utility model discloses a control mode is controlled through artifical start-up and closing switch, and the wiring diagram of power component and the supply of power belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and wiring in detail and arrange.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.