CN114679940A - Seeder and high-precision dropping assembly thereof - Google Patents

Abstract

The utility model relates to a seeder and high accuracy subassembly that falls thereof relates to agricultural machine technical field, the subassembly that falls includes the fixed disk, rotate side by side and connect the seeding dish in the fixed disk, the reseed dish, set up the kind groove that a plurality of confession seeds fell into on the circumference lateral wall of seeding dish and reseed dish, still be equipped with the detection piece whether detect seeding dish kind inslot have the kind of a seed on the fixed disk, the seeding dish rotates along with the rotation of travelling wheel, be equipped with drive reseed dish pivoted driving piece on the fixed disk, the driving piece starts when the detection piece detects seeding dish kind inslot no seed. This application utilizes the cooperation of detecting piece and driving piece through setting up the reseeding dish for the reseeding dish can continue to rotate after the seeding dish leaks kind and realize the reseeding, reduces the phenomenon of dead slot, thereby has the advantage that improves the accurate rate of seeding.

Description

Seeder and high-precision dropping assembly thereof

Technical Field

The application relates to the technical field of agricultural machinery, in particular to a seeder and a high-precision seed dropping assembly thereof.

Background

At present, along with the development of agricultural economy, the planting mode of crops gradually moves towards mechanization, manual operation in the past is replaced by machinery, manpower is greatly saved, the cost of manual planting is reduced, and meanwhile, planting efficiency is improved through the planting of the machinery, so that new steps are formed in the planting of agriculture.

Related art for example, a hand propelled single grain corn drill that publication number is CN105210505A, including support, walking wheel, rotation axis, seed storage storehouse, duckbilled, cochlea funnel, support adjustment sheet, location iron pillar, seed selection ware and gear. The support and the walking surface are made of stainless steel materials and are firm and durable. The main body part is fixed by stainless steel screws, so that the disassembly, maintenance and replacement are convenient. The seed selector is replaceable, is suitable for planting particles of various sizes, is matched with the transparent cochlear funnel observation window and the seed storage bin installed by the single-sided transparent toughened glass, can observe the corn quantity and the seed selection condition of the seed storage bin at any time, and ensures the seeding quality. And a bracket adjusting sheet with three hole sites is additionally arranged, corresponding hole sites are selected according to different heights and requirements of operators, and the height of the handle is adjusted.

With the above-described related art, the inventors consider that: when the seeding, if the kind material in the storage silo does not enter the seed selection ware, the walking wheel can appear leaking in the pivoted in-process and broadcast, appears the dead slot phenomenon promptly to it is lower to lead to the accurate rate of seeding.

Disclosure of Invention

In order to improve the rate of accuracy of seeding, the purpose of this application is to provide a seeder and high accuracy kind subassembly that falls thereof.

The technical scheme provided by the application is as follows:

on the one hand, this application provides a subassembly falls in high accuracy, include the fixed disk, rotate side by side and connect seeding tray, the reseeding dish in the fixed disk, set up the kind groove that a plurality of confession seeds fell into on the circumference lateral wall of seeding tray and reseeding dish, still be equipped with the detection piece whether there is the kind of a seed in the detection seeding tray kind inslot on the fixed disk, the seeding tray rotates along with the rotation of walking wheel, be equipped with the drive on the fixed disk the reseeding dish pivoted driving piece, the driving piece starts when the detection piece detects seeding tray kind inslot and does not have the seed.

Through adopting above-mentioned technical scheme, when the seeding, the seed falls into the kind inslot of seeding dish and reseeding dish, along with the rotation of walking wheel, drives the seeding dish and rotates. Rotate the seed of planting the inslot above the seeding disc to the below, the rotation in-process of seeding disc detects the piece and detects the seed of seeding disc side planting inslot. If seeds are in the seed groove on the side edge of the seeding tray, the seeds rotate downwards along with the seeding tray and fall down from the seed groove under the action of gravity, and then seeding is carried out. If the detection piece detects out that the kind inslot of seeding disc side does not have the seed, then driving piece drive reseeding disc rotates to seed inslot's seed downwardly rotating on will reseeding the kind dish, make the seed of reseeding disc kind inslot receive gravity to fall out kind of groove, in order to reseed, carry out the reseeding after the condition of realizing the seeding disc appearance hourglass kind. Consequently, through setting up the reseeding disc, utilize the cooperation that detects piece and driving piece for the reseeding disc can continue to rotate after the seeding disc leaks kind and realize the reseeding, reduces the phenomenon of dead slot, improves the accurate rate of seeding.

Optionally, a storage bin is arranged in the fixed disc, the seeding disc and the reseeding disc rotate at a bin outlet of the storage bin, a material stirring brush for brushing the accumulated seeds on the seeding disc away from the bin outlet is arranged in the fixed disc in a rotating mode, and a connecting piece for driving the material stirring brush to rotate is arranged on the seeding disc.

Through adopting above-mentioned technical scheme, when rotating the walking wheel and sowing, the seed in the storage silo is filled into the seed groove of seeding dish and reseeding dish, along with the rotation of seeding dish and reseeding dish, drives through the connecting piece and dials the material brush and rotate, dials the material brush and will pile up unnecessary seed brush on seeding dish and reseeding dish and leave the bin outlet to reduce the seed and pile up on seeding dish and reseeding dish, thereby reduce the seed along with the seeding dish, the condition that the reseeding dish blocked in the bin outlet.

Optionally, the connecting piece includes a first gear coaxially connected to the seeding tray, an intermediate gear rotating on the fixed tray and engaged with the first gear, and a second gear rotating on the fixed tray and engaged with the intermediate gear, and the second gear is coaxially connected to the material stirring brush.

Through adopting above-mentioned technical scheme, when the walking wheel drives the seeding dish and rotates, the seeding dish drives gear one and rotates, and gear one drives intermediate gear and rotates, and intermediate gear drives gear two and rotates, and gear two drives and dials the material brush and rotate to realize that seeding dish and group material brush rotate towards the same direction. That is, the seeding disc rotates downwards near one side of the poking brush, the poking brush rotates upwards, and the seeding disc and the seed brush outside the seed supplementing disc seed groove are separated from the seeding disc and the seed supplementing disc, so that the seeding disc and the seed supplementing disc are conveniently brushed with the accumulated seeds to be separated from the bin outlet.

Optionally, the detection piece includes rotation post, fixed connection on rotating the post that rotate on the fixed disk detection pole, set up in the spring one of detection rod tip, the one end that detection pole was kept away from to spring one sets up on the fixed disk, the tip that spring one is used for the pulling detection pole stretches into the kind inslot of seeding dish, detection rod tip stretches into kind inslot and detects out that there is not seed after the driving piece starts.

Through adopting above-mentioned technical scheme, when examining the seed to the seeding dish kind inslot, the seeding dish rotates under the rotation of walking wheel to rotate the seed of kind inslot down. When the seeds rotate to the detection rod in the seed groove, the detection rod is pulled by the first spring, so that one end, far away from the first spring, of the detection rod rotates towards the seed groove. If there is the seed in kind of inslot, then the tip of measuring rod is located outside the seeding dish, if kind of inslot does not have the seed, then the tip of measuring rod is located the seeding dish, and the driving piece just begins to start to drive the rotation of reseeding dish after the measuring rod changes over into kind of inslot promptly. Consequently, through setting up detection lever and spring one, utilize a spring pulling to make the seeding tray rotate for the seed in the seeding tray can support and move the detection lever and slide the detection lever, and the detection lever just can change over to when no seed is planted to the seeding tray inslot promptly, so that detect out in the seeding tray that the groove has the dead slot.

Optionally, the fixed disk is provided with a limiting plate located on one side of the sowing disk and the seed supplementing disk, the detection rod penetrates through the limiting plate in a sliding mode, the fixed disk is provided with a second spring for abutting against the limiting plate to be close to the sowing disk and the seed supplementing disk, and the limiting plate limits seeds of the sowing disk to be separated when the detection rod detects the seeds.

Through adopting above-mentioned technical scheme, when the seeding dish and reseeding disc are taking the seed of kind inslot to rotate downwards, two springs act on the limiting plate for the limiting plate is close to the seeding dish and the reseeding disc, so that the limiting plate can slide the butt in the seeding dish and the reseeding disc. And then make the seed that is located kind of inslot rotate to the limiting plate along with seeding dish and reseeding dish when, through the spacing of limiting plate, avoid the seed to break away from kind of inslot to the seed of kind inslot can rotate to the below back along with seeding dish and reseeding dish and fall down automatically, thereby improve the seed and follow seeding dish and reseeding dish pivoted stability in kind of inslot.

Optionally, the driving piece includes coaxial coupling in the drive shaft of benefit dish, coaxial coupling in the separation and reunion tooth of drive shaft, rotates the clutch disc that the cover located on the separation and reunion tooth, set up in actuating lever on the clutch disc, separation and reunion tooth one side is provided with torsional spring one, the tip of torsional spring one stretches into restriction drive shaft antiport in the separation and reunion tooth, be equipped with along with clutch disc pivoted separation and reunion piece in the separation and reunion tooth, the clutch disc can only drive the separation and reunion tooth through the separation and reunion piece and rotates towards a direction.

Through adopting above-mentioned technical scheme, when the measuring lever changes over into the kind inslot into, the phenomenon of dead slot appears in the seeding dish, rotates the actuating lever promptly, drives the clutch disc and rotates, and the clutch disc passes through the separation and reunion piece and drives the separation and reunion tooth rotation for the separation and reunion tooth slides and drives the drive shaft rotation through torsional spring one. The first torsion spring extends into the clutch teeth to limit the reverse rotation of the clutch teeth, and the clutch disc does not drive the clutch teeth to rotate when the clutch piece rotates reversely, so that the driving shaft drives the reseeding disc to rotate, and the reseeding is realized. Therefore, through the arrangement of the clutch disc and the clutch teeth, the first torsion spring is utilized to enable the clutch teeth to rotate towards one direction, the clutch disc can only rotate towards one direction to drive the clutch teeth to rotate under the connection of the clutch piece, the clutch disc rotates reversely without driving the clutch teeth to rotate, and therefore the clutch disc can rotate back and forth to drive the clutch teeth and the reseeding disc to rotate.

Optionally, the clutch spare including set up in a plurality of torsional springs two in the separation and reunion tooth, the tooth's socket that supplies torsional spring both ends to stretch into is seted up to the slope on the clutch disc inner wall, the clutch disc rotates and drives two card of torsional springs and goes into the tooth's socket to drive the separation and reunion tooth and slide torsional spring one, the clutch disc reversal can make two the sliding tooth's sockets of torsional spring.

Through adopting above-mentioned technical scheme, when rotating the clutch disc and driving the separation and reunion tooth and rotate, the tip card of torsional spring two is gone into in the tooth's socket for the rotation of clutch disc can drive the separation and reunion tooth and rotate, makes the clutch disc slide the torsional spring and drive the rotation of benefit kind of dish. And after the clutch disc and the driving rod rotate to the maximum position, the driving rod drives the clutch disc to rotate in the opposite direction, so that the second torsion spring slides through the tooth grooves, and the clutch teeth are kept immovable after being abutted by the first torsion spring. Then after the driving rod and the clutch disc rotate towards the initial rotation direction again, the two end parts of the torsion spring are clamped into the tooth grooves to drive the clutch teeth to rotate, so that the first torsion spring slides over the clutch teeth. Further realizing the continuous rotation of the seed replenishing plate. Therefore, by arranging the second torsion spring and the tooth grooves, when the clutch disc drives the clutch teeth to rotate, the second torsion spring is clamped into the tooth grooves, the first torsion spring slides through the clutch teeth, and after the clutch disc and the driving rod rotate reversely, the second torsion spring slides through the tooth grooves and supports into the clutch teeth, so that the driving rod rotates back and forth to drive the replenishing disc to continuously rotate towards the same direction.

Optionally, a limit block for limiting rotation of the drive rod is arranged on the fixed disc, a third spring for pulling the drive rod and the limit block to abut against is arranged on the fixed disc, and when the drive rod is far away from the limit block, the tooth grooves are clamped by the second torsion spring, and the end part of the first torsion spring slides over the clutch teeth.

By adopting the technical scheme, after the driving rod and the clutch disc drive the clutch teeth to rotate, the driving rod is far away from the limiting block and stretches the spring III until the driving rod drives the maximum position of the clutch disc to rotate, the driving rod is loosened, and the driving rod drives the clutch disc to rotate under the action of the tension of the spring III to rotate and reset, so that the driving rod drives the clutch disc to rotate again to drive the seed replenishing disc to continue to rotate towards the same direction.

Optionally, the upper end of the rotating column is provided with a hooking rod, a locking block for hooking the hooking rod is arranged on the clutch disc, the detection rod drives the hooking rod to be separated from the locking block when rotating to the seed groove, and the detection rod restricts the rotation of the reseeding disc when not rotating to the seed groove.

Through adopting above-mentioned technical scheme, when the measuring lever slides the butt seeding dish and does not stretch into kind of inslot, detect out that the kind inslot of seeding dish has the seed, collude and connect pole and locking block looks collude, the actuating lever keeps away from spring three for spring three is in tensile rotation. The maximum position where the driving rod and the clutch disc drive the clutch teeth to rotate is the position where the seeding disc normally rotates, and the reseeding disc does not rotate due to the hooking rod and the locking block. When the detecting rod detects that the seed groove in the seeding tray has no seeds, the end part of the detecting rod extends into the seed groove. And then drive the collude and connect the pole and break away from the locking piece to relieve the restriction of actuating lever and clutch disc, make the actuating lever receive the pulling force of spring three and drive clutch disc antiport, until actuating lever and stopper to the butt. So that stir the actuating lever once more and drive the clutch disc and rotate towards the direction of keeping away from the stopper, and then drive separation and reunion tooth, reseed the dish and rotate, make the seed of reseeding the dish on the inslot fall down along with reseeding the dish downthehole, realize the reseeding.

And the locking block shifts to the rotation range of the hooking rod at this moment, so that the detection rod drives the hooking rod and the locking block to be hooked again after detecting that seeds are in the seed groove, and normal seeding of the seeding tray is realized. Consequently through setting up collude pole and locking piece, when making the measuring lever detect the overhead tank of seed tray, the measuring lever drives the collude pole and breaks away from the locking piece, make actuating lever and clutch disc reset, so that actuating lever and clutch disc drive the rotation of mend kind of dish and carry out the reseeding, after the measuring lever detected the seed tray kind of inslot seed simultaneously, the measuring lever received the butt and drives collude the pole and collude with the locking piece once more, so that the seed tray continues to rotate the seeding, realize the linkage of measuring lever and actuating lever, thereby be convenient for mend the seeding dish and continue to reset normal seeding after the kind of reseeding.

On the other hand, this application still provides a seeder, including high accuracy kind of subassembly that falls, still include the frame, rotate set up in walking wheel in the frame, the interval is equipped with a plurality of ejection of compact mouths on the walking wheel, ejection of compact mouth and delivery port intercommunication, the walking wheel rotates the cover and establishes on the fixed disk, be equipped with on the inner wall of walking wheel with the corresponding rack of ejection of compact mouth, the rack with gear mesh mutually, it drives benefit kind of dish pivoted butt post to be equipped with a plurality of supports on the walking wheel, butt post and ejection of compact mouth one-to-one.

Through adopting above-mentioned technical scheme, when the seeding, pack the seed into the storage silo of fixed disk for the seed falls to the seeding disc and the reseeding disc department of delivery port, so that the seed falls into the kind inslot of seeding disc and reseeding disc top. Along with the rotation of the travelling wheel, the travelling wheel drives the rack to rotate, so that the sowing disc is driven to rotate once the rack and the gear are meshed correspondingly to the discharging nozzle. Namely, the seeds in the single seed groove can be rotated by the rotation side of the sowing plate to pass through the detection rod, so that the detection rod can detect that the seeds are in the seed groove. Until the seeds in the seeding tray fall out from the discharging nozzle to realize seeding, at the moment, the hooking rod is hooked on the locking block, so that one end of the driving rod, far away from the clutch disc, is not abutted against the abutting column.

When the detection rod detects that the seed groove in the seeding tray has no seeds, the detection rod is rotated into the seed groove after being pushed by the first spring, namely the hook rod is driven to be separated from the locking block, and the locking of the driving rod and the clutch disc is released, so that the driving rod and the clutch disc are reset under the action of the third spring. When the walking wheel drives the seeding dish pivoted promptly, the butt post is rotated along with the walking wheel and is pushed the actuating lever and drive the clutch disc and rotate towards the direction of keeping away from the stopper. The clutch disc drives the clutch teeth and the reseeding disc to rotate, so that seeds in the reseeding disc groove fall along with the rotation of the reseeding disc to perform reseeding. At the moment, the locking block on the clutch disc is rotated into the rotating range of the hooking rod, so that after the detection rod detects that seeds are in the seed groove of the seeding disc, the detection rod drives the hooking rod to be hooked with the locking block again. The seed supplementing disc is limited to rotate after being abutted by the abutting column, so that the seeding disc rotates along with the traveling wheel to normally seed.

Therefore through setting up rack and butt post for walking wheel pivoted in-process is interrupted rotating when moving the seeding dish, so that the seeding dish rotates the back and releases single seed, and under the effect that the actuating lever was supported to the butt post, realizes that the rotation of drive reseeding dish carries out the reseeding, thereby the walking wheel of being convenient for rotates the seeding of realizing the seeding dish and the reseeding of reseeding dish.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the seed supplementing disc, the seed supplementing disc can continuously rotate to realize seed supplementing after the seed leakage of the sowing disc is realized by utilizing the matching of the detection piece and the driving piece, so that the phenomenon of empty grooves is reduced, and the precision rate of sowing is improved;

by arranging the detection rod and the first spring, the first spring is used for pulling the sowing plate to rotate, so that seeds in the sowing plate can abut against the detection rod and slide through the detection rod, namely, the detection rod can rotate when no seeds exist in the sowing plate, and the situation that empty grooves exist in the sowing plate in the sowing groove can be conveniently detected;

by arranging the clutch disc and the clutch teeth, the first torsion spring is utilized to enable the clutch teeth to rotate only in one direction, and the clutch disc can only rotate in one direction to drive the clutch teeth to rotate under the connection of the clutch part, so that the clutch disc can rotate back and forth to drive the clutch teeth and the reseeding disc to rotate;

the second torsion spring and the tooth grooves are arranged, so that when the clutch disc drives the clutch teeth to rotate, the second torsion spring is clamped into the tooth grooves, the first torsion spring slides through the clutch teeth, and after the clutch disc and the driving rod rotate reversely, the second torsion spring slides through the tooth grooves and pushes the first torsion spring into the clutch teeth, so that the driving rod rotates back and forth to drive the replenishing disc to continuously rotate towards the same direction;

through setting up rack and butt post for walking wheel pivoted in-process is interrupted when moving the seeding dish and is rotated, even the seeding dish rotates the back and releases single seed, and supports under the effect of moving the actuating lever at the butt post, realizes that the drive reseeding dish rotates and reseeds, thereby the walking wheel of being convenient for rotates the seeding of realizing the seeding dish and the reseeding of reseeding dish.

Drawings

Fig. 1 is a schematic view of the overall structure of a seeding machine according to an embodiment of the application.

Fig. 2 is a schematic structural diagram for showing a material cavity in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a connecting piece according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a wiper blade according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram for showing a driving member according to an embodiment of the present application.

Description of the reference numerals: 1. a frame; 2. a traveling wheel; 21. a discharge cavity; 22. a discharging nozzle; 23. a rack; 24. a butting post; 3. fixing the disc; 31. a seeding tray; 32. supplementing seed discs; 33. a storage bin; 331. a bin outlet; 34. a seed tank; 341. a ring groove; 342. scraping a blade; 35. a connecting member; 351. a first gear; 352. an intermediate gear; 353. a second gear; 354. a material poking brush; 36. a limiting plate; 361. a second spring; 37. a protective cover; 371. a through hole; 372. an end cap; 373. a limiting block; 4. a detection member; 41. rotating the column; 42. a detection lever; 43. a first spring; 44. a hooking rod; 5. a drive member; 51. a drive shaft; 52. a clutch tooth; 53. a clutch plate; 531. a tooth socket; 532. a locking block; 54. a drive rod; 55. a first torsion spring; 56. a second torsion spring; 57. and a third spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a seeder.

Referring to fig. 1 and 2, the seeder comprises a frame 1 and a walking wheel 2 rotatably connected to the frame 1, wherein one side of the walking wheel 2 is rotatably connected to the frame 1, and the other side is provided with a cavity. The walking wheel 2 is internally provided with a plurality of discharging cavities 21, the circumferential side wall of the walking wheel 2 is provided with discharging nozzles 22 communicated with the discharging cavities 21 inside, and the discharging nozzles 22 correspond to the discharging cavities 21 one to one.

Referring to fig. 2 and 3, a rack 23 corresponding to the discharging nozzles 22 one by one is fixedly connected to the inner wall of the cavity of the traveling wheel 2, a plurality of abutting columns 24 are fixedly connected to the end face of the traveling wheel 2 along the circumferential direction thereof, and each discharging nozzle 22 corresponds to one abutting column 24.

The embodiment of the application further discloses a high-precision seed dropping assembly.

Referring to fig. 2, the seed dropping assembly comprises a fixed disk 3 rotating in a concave cavity of the traveling wheel 2, a seeding disk 31 and a reseeding disk 32 rotating in the fixed disk 3 side by side, the seeding disk 31 and the reseeding disk 32 are arranged side by side along the axis direction of the traveling wheel 2, and the rotating axes of the seeding disk 31 and the reseeding disk 32 are parallel to the rotating axis of the traveling wheel 2.

Referring to fig. 1 and 2, fixed disk 3 keeps away from one side and frame 1 fixed connection of walking wheel 2, has seted up the storage silo 33 that holds the seed in the fixed disk 3, and the lower extreme of storage silo 33 has seted up bin outlet 331. The upper ends of the seeding disc 31 and the reseeding disc 32 rotate in the discharging opening 331, and the lower parts of the seeding disc 31 and the reseeding disc 32 are communicated with the discharging cavity 21, so that seeds on the seeding disc 31 and the reseeding disc 32 fall into the discharging cavity 21 and then fall out from the discharging nozzle 22.

Referring to fig. 4, a plurality of seed grooves 34 for accommodating seeds are formed on the circumferential side walls of the seeding tray 31 and the reseeding tray 32, the seed grooves 34 are uniformly distributed at intervals along the circumferential direction of the seeding tray 31 and the reseeding tray 32, and the caliber of the seed groove 34 on the reseeding tray 32 is larger than that of the seed groove 34 on the seeding tray 31.

Referring to fig. 4, the circumferential side walls of the seeding tray 31 and the reseeding tray 32 are provided with annular grooves 341, the annular grooves 341 are communicated with the plurality of seed grooves 34, and the fixed tray 3 is fixedly connected with a pair of scraping blades 342 positioned at one side of the seeding tray 31 and the reseeding tray 32. The scraping blade 342 is located right below the sowing disc 31 and the reseeding disc 32, the scraping blade 342 corresponds to the sowing disc 31 and the reseeding disc 32 respectively, the scraping blade 342 extends into the ring groove 341, and the scraping blade 342 scrapes off seeds adhered in the seed groove 34 along with the rotation of the sowing disc 31 and the reseeding disc 32.

Referring to fig. 2 and 3, the sowing tray 31 is coaxially connected with a first gear 351 on the fixed tray 3, an intermediate gear 352 meshed with the first gear 351 is rotatably connected on the fixed tray 3, a second gear 353 meshed with the intermediate gear 352 is also rotatably connected on the fixed tray 3, and the intermediate gear 352 is positioned between the first gear 351 and the second gear 353.

Referring to fig. 3, the first gear 351 is also meshed with the rack 23 on the walking wheel 2, that is, when the walking wheel 2 drives each discharging nozzle 22 to rotate to the lower part of the seeding disc 31 and the reseeding disc 32, the rack 23 is meshed with the first gear 351 to drive the seeding disc 31 to rotate, so as to pour seeds on the seeding disc 31 into the discharging nozzle 22.

Referring to fig. 2 and 3, the first gear 351, the intermediate gear 352 and the second gear 353 are all located on one side of the fixed disc 3, which is opposite to the seed disc 31 and the seed supplement disc 32, the second gear 353 is coaxially connected with the material poking brush 354 located on the same side of the seed disc 31 and the seed supplement disc 32, and the material poking brush 354 is columnar, that is, the first gear 351, the intermediate gear 352 and the second gear 353 are the connecting piece 35 which rotates along with the seed disc 31 to drive the material poking brush 354 to rotate.

Referring to fig. 2 and 3, the material poking brush 354 is located obliquely above the seed tray 31 and the reseeding disc 32, the seed tray 31 and the reseeding disc 32 rotate downwards and then face the material poking brush 354, the rotation direction of the material poking brush 354 is the same after being transmitted by the intermediate gear 352, so that after the seed tray 31 and the reseeding disc 32 drive the seeds to face the material poking brush 354 to rotate downwards, the material poking brush 354 pokes the seeds stacked on the seed tray 31 and the reseeding disc 32 upwards, and the stacked seeds are prevented from being rotated out of the bin outlet 331 or clamped at the bin outlet 331 along with the rotation of the seed tray 31 and the reseeding disc 32.

Referring to fig. 2 and 4, a limiting plate 36 is slidably connected to the fixed disk 3 and is located on one side of the seeding disk 31 and the reseeding disk 32, and the limiting plate 36 slides in a direction perpendicular to the rotation axis of the seeding disk 31 and the reseeding disk 32. The limit plate 36 is in sliding contact with the circumferential side walls of the seeding tray 31 and the reseeding tray 32, a second spring 361 for pushing the limit plate 36 to slide towards the seeding tray 31 and the reseeding tray 32 is fixedly connected in the fixed tray 3, and one end, far away from the limit plate 36, of the second spring 361 is fixed on the fixed tray 3.

Referring to fig. 4, the limiting plate 36 is located below the material shifting brush 354, so that after the material shifting brush 354 shifts away the accumulated seeds, a single seed is located in the seed groove 34 and is limited by the limiting plate 36 along with the rotation of the seeding disc 31 and the reseeding disc 32, the seed separation from the seeding disc 31 and the reseeding disc 32 which are not rotated to the lower side is avoided, and meanwhile, the single seed is further convenient to rotate in the seed groove 34.

Referring to fig. 2 and 4, a detecting element 4 for detecting whether seeds exist in the seed groove 34 below the material stirring brush 354 on the seeding tray 31 is installed in the fixed tray 3, meanwhile, a driving element 5 for driving the seed replenishing tray 32 to rotate is also installed on the fixed tray 3, and when the detecting element 4 detects that no seeds exist in the seed groove 34 on the seeding tray 31, the driving element 5 drives the seed replenishing tray 32 to rotate so as to replenish the seeds on the seed replenishing tray 32 into the discharging nozzle 22 for seed replenishing.

Referring to fig. 2 and 4, the detecting member 4 includes a rotating column 41 rotatably connected in the fixed plate 3, a detecting rod 42 fixedly connected to the rotating column 41, and a first spring 43 fixedly connected to an end of the detecting rod 42, wherein an end of the first spring 43 remote from the detecting rod 42 is fixed to the fixed plate 3.

Referring to fig. 4, the rotation axis of the rotary column 41 is parallel to the rotation axis of the sowing disc 31, and the rotary column 41 is located below the stirring brush 354. The detection rod 42 is positioned at one end of the rotating column 41 close to the walking wheel 2, the detection rod 42 slides through the limit plate 36 and slides into the seed groove 34 of the seeding tray 31, and slides into the annular groove 341 in the seed groove 34 under the action of the first spring 43. When the detection rod 42 rotates into the seed groove 34, it indicates that the seeding tray 31 is about to rotate out of the seed groove 34 of the limiting plate 36 without seeds, that is, an empty groove, and at this time, the driving member 5 drives the seeding tray 31 to rotate; when the seed in the seed tray 31 abuts against the detection lever 42, it indicates that the seed tray 31 is about to rotate out of the seed groove 34 of the stopper plate 36.

Referring to fig. 1 and 4, the fixed plate 3 is covered with a protective cover 37, and the protective cover 37 is provided with a through hole 371 for taking out the seeding plate 31 and the reseeding plate 32. The seeding disc 31 and the reseeding disc 32 are both provided with shaft holes, and the fixed disc 3 is fixed with a rotating shaft inserted into the seeding disc 31. An end cover 372 is clamped in the through hole 371, clamping blocks are arranged on the circumferential side wall of the end cover 372, a notch for the clamping blocks to pass through is formed in the hole wall of the through hole 371, and the clamping blocks are clamped on the protective cover 37 through rotation of the end cover 372 after the clamping blocks pass through the notch.

Referring to fig. 5, the driving member 5 includes a driving shaft 51 rotatably connected to the end cap 372, a clutch tooth 52 coaxially connected to the driving shaft 51, a clutch disc 53 rotatably fitted over the clutch tooth 52, and a driving rod 54 fixedly connected to the clutch disc 53. The driving shaft 51 is inserted into the shaft hole in the seed replenishing disc 32 to realize coaxial connection with the seed replenishing disc 32, and the clutch teeth 52, the clutch disc 53 and the driving rod 54 are positioned on the side of the end cover 372 opposite to the driving shaft 51.

Referring to fig. 5, the end cap 372 is fixedly connected to the first torsion spring 55 located at one side of the clutch teeth 52, and an end of the first torsion spring 55 is inserted between the clutch teeth 52 in an inclined manner, so that the clutch teeth 52 can only rotate in one direction, and the reverse rotation of the clutch teeth 52 is abutted by the first torsion spring 55, thereby restricting the reverse rotation of the driving shaft 51.

Referring to fig. 5, the clutch teeth 52 are provided with a clutch member rotating with the clutch disc 53, and the clutch disc 53 can only rotate the clutch teeth 52 in one direction by the clutch member, and the one direction enables the clutch teeth 52 to slide through the first torsion spring 55 for rotation.

Referring to fig. 5, the clutch member includes a plurality of second torsion springs 56 fixedly connected to the inside of the clutch teeth 52, and the second torsion springs 56 are disposed obliquely on the clutch teeth 52 such that the ends of the second torsion springs 56 obliquely extend out of the circumferential side walls of the clutch teeth 52 in the clutch plate 53. The inner wall of the clutch disc 53 is provided with a plurality of tooth grooves 531 for abutting the end parts of the second torsion springs 56, the end parts of the second torsion springs 56 extend into the tooth grooves 531, the tooth grooves 531 are also inclined, and the rotation of the clutch disc 53 can drive the clutch teeth 52 to rotate, so that the clutch teeth 52 slide through the first torsion springs 55; the end of the second torsion spring 56 slides through the tooth groove 531, the rotation of the clutch disc 53 does not rotate the clutch teeth 52, and the first torsion spring 55 abuts against the inside of the clutch teeth 52 to limit the reverse rotation of the clutch teeth 52.

Referring to fig. 1 and 5, one end of the rotation column 41, which is far away from the detection rod 42, penetrates through the protection cover 37, one end of the rotation column 41, which penetrates through the protection cover 37, is fixedly connected with a hooking rod 44, and an end of the hooking rod 44 is bent toward the clutch disc 53. The end cover 372 is fixedly connected with a spring III 57, and one end of the spring III 57 far away from the end cover 372 is fixedly connected with the driving rod 54.

Referring to fig. 5, the end cap 372 is fixedly connected with a limit block 373 abutting against the driving rod 54, and the third spring 57 exerts a pulling force on the driving rod 54, so that the end portion of the driving rod 54 far away from the clutch disc 53 rotates to the rotation path of the abutting column 24, at this time, the driving rod 54 abuts against the limit block 373, that is, the second torsion spring 56 slides through the tooth groove 531, and the first torsion spring 55 abuts against the clutch teeth 52.

Referring to fig. 4 and 5, a locking block 532 is fixedly connected to the upper end of the clutch disc 53, when the locking block 532 and the hooking rod 44 are hooked, the detection rod 42 is abutted by the seeds and does not rotate into the seed groove 34, and the driving rod 54 stretches the spring iii 57, so that one end of the driving rod 54, which is far away from the clutch disc 53, deviates from the rotation path of the abutting column 24, at this time, the seeding disc 31 rotates, and the reseeding disc 32 does not rotate.

When the detecting rod 42 is not abutted against the seed and is rotated into the seed groove 34, the empty groove phenomenon occurs on the seed plate 31, the detecting rod 42 drives the hooking rod 44 to be separated from the locking block 532, and the rotation restriction of the clutch plate 53 is released. The tension of the spring three 57 acts on the driving rod 54 to drive the clutch disc 53 to rotate on the clutch teeth 52, and the clutch teeth 52 keep still. Until the end of the drive rod 54 is rotated into the rotational path of the abutment post 24. Then the travelling wheel 2 drives the abutting column 24 to rotate and then abuts against the driving rod 54 to drive the clutch disc 53 to rotate, so that the second torsion spring 56 is clamped into the tooth groove 531 to drive the clutch teeth 52 to rotate, and the clutch teeth 52 slide through the first torsion spring 55 to drive the seed replenishing disc 32 to rotate, thereby realizing seed replenishing.

Until there is the seed in the kind groove 34 in the seeding disc 31, the butt post 24 firstly butts the driving rod 54 to drive the locking block 532 to rotate into the rotation path of the hooking rod 44, then drives the seeding disc 31 to rotate, so that the detection rod 42 drives the hooking rod 44 and the locking block 532 to hook after receiving the butt of the seed, so as to lock the state that the driving rod 54 is far away from the butt post 24 rotation path, and realize that the seeding disc 31 rotates and the reseeding disc 32 does not rotate.

The implementation principle of a seeder and high accuracy kind subassembly of falling thereof of this application embodiment is: when using the seeder to sow, put into storage silo 33 with the seed, promote frame 1 and make walking wheel 2 rotate, walking wheel 2 drives the seeding dish 31 and rotates, and the seeding dish 31 drives dials the rotation of material brush 354, will pile up and dial on the seeding dish 31 to the seed and fall. The detecting rod 42 detects that seeds are in the seed grooves 34 of the seeding disc 31, namely, the seeding disc 31 rotates and the reseeding disc 32 does not rotate. So that the seeds fall into the discharging cavity 21 after passing through the limiting plate 36 and finally fall out of the discharging nozzle 22.

If the seed groove 34 in the seeding tray 31 has no seeds, the detection rod 42 rotates into the seed groove 34 of the seeding tray 31 to drive the hooking rod 44 to rotate, so that the hooking rod 44 rotates away from the locking block 532, and the rotation locking of the driving rod 54 and the clutch disc 53 is released. The spring three 57 then pulls the drive rod 54 to rotate into abutment with the rotational path of the post 24. At the moment, the travelling wheel 2 rotates, the driving rod 54 is abutted through the abutting column 24 to drive the clutch disc 53 to rotate, the clutch disc 53 drives the driving shaft 51 and the reseeding disc 32 to rotate, so that the reseeding disc 32 rotates to enable seeds in the seed groove 34 to fall into the discharging cavity 21 for reseeding, and the rotation of the seeding disc 31 and the reseeding disc 32 is realized.

After the abutment post 24 slides over the driving rod 54, the spring three 57 pulls the driving rod 54 and the clutch disc 53 to reset, the clutch teeth 52 and the reseeding disc 32 do not rotate, and the end of the driving rod 54 rotates back to the rotating path of the abutment post 24. When seeds are in the next seed groove 34 in the seeding tray 31, the abutting column 24 abuts against the driving rod 54 to drive the driving shaft 51 and the reseeding tray 32 to rotate, so that the locking block 532 is located on the rotating path of the hooking rod 44. The seed abutting detection rod 42 is rotated in a direction away from the seeding disc 31, so that the hooking rod 44 and the locking block 532 are hooked again to lock the seed replenishing disc 32 again, and at the moment, the end of the driving rod 54 is far away from the rotation path of the abutting column 24, so that the seeding disc 31 is normally rotated to perform seeding. So that the reseeding disc 32 can continue to rotate to realize reseeding after the seeding disc 31 leaks seeds, thereby reducing the phenomenon of empty grooves and improving the precision rate of seeding.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a high accuracy subassembly of planting that falls which characterized in that: including fixed disk (3), rotate side by side and connect seeding disk (31), the kind of a reseeding dish (32) in fixed disk (3), set up kind groove (34) that a plurality of confession seeds fall into on the circumference lateral wall of seeding disk (31) and the kind of a reseeding dish (32), still be equipped with on fixed disk (3) and detect whether there is detection piece (4) of kind of a kind of seed in seeding disk (31) kind groove (34), seeding disk (31) is followed the rotation of walking wheel (2) and is rotated, be equipped with the drive on fixed disk (3) the kind of a reseeding dish (32) pivoted driving piece (5), starting when detecting piece (4) detects no seed in seeding disk (31) kind groove (34).

2. A high accuracy seed assembly as recited in claim 1, wherein: the novel seed-stirring device is characterized in that a storage bin (33) is arranged in the fixed disc (3), the seed disc (31) and the seed replenishing disc (32) rotate to the bin outlet (331) of the storage bin (33), the material stirring brush (354) for brushing accumulated seeds on the seed disc (31) away from the bin outlet (331) is rotationally arranged in the fixed disc (3), and a connecting piece (35) for driving the material stirring brush (354) to rotate is arranged on the seed disc (31).

3. A high accuracy seed assembly as recited in claim 2, wherein: the connecting piece (35) comprises a first gear (351) coaxially connected to the sowing disc (31), a middle gear (352) rotating on the fixed disc (3) and meshed with the first gear (351), and a second gear (353) rotating on the fixed disc (3) and meshed with the middle gear (352), wherein the second gear (353) is coaxially connected to the material stirring brush (354).

4. A high accuracy seed assembly as recited in claim 1, wherein: detect piece (4) including rotating rotation post (41), fixed connection on rotation post (41) on fixed disk (3) detection pole (42), set up in the spring (43) of detection pole (42) tip, the one end that detection pole (42) were kept away from in spring (43) sets up on fixed disk (3), spring (43) are used for the pulling to detect the tip of pole (42) and stretch into kind of groove (34) of seeding dish (31) in, detection pole (42) tip stretches into and detects out no seed back driving piece (5) and starts in kind of groove (34).

5. A high accuracy seed assembly as recited in claim 4, wherein: be equipped with limiting plate (36) that are located seeding dish (31) and benefit seed dish (32) one side on fixed disk (3), detection pole (42) slide and run through limiting plate (36), be equipped with on fixed disk (3) and support and move two (361) of spring that limiting plate (36) are close to seeding dish (31) and benefit seed dish (32), the seed of limiting plate (36) restriction seeding dish (31) breaks away from when detection pole (42) detect.

6. A high accuracy seed assembly as recited in claim 4, wherein: drive piece (5) including coaxial coupling in drive shaft (51) of benefit kind of dish (32), coaxial coupling in clutch tooth (52) of drive shaft (51), rotate clutch disc (53) on clutch tooth (52), set up in actuating lever (54) on clutch disc (53), clutch tooth (52) one side is provided with torsional spring (55), the tip of torsional spring (55) stretches into restriction drive shaft (51) antiport in clutch tooth (52), be equipped with along with clutch disc (53) pivoted separation and reunion piece in clutch tooth (52), clutch disc (53) can only drive clutch tooth (52) through the separation and reunion piece and rotate towards a direction.

7. A high accuracy seed assembly as recited in claim 6, wherein: the clutch piece including set up in a plurality of torsional spring two (56) in separation and reunion tooth (52), slope on clutch disc (53) inner wall and offer tooth's socket (531) that supply torsional spring two (56) tip to stretch into, clutch disc (53) rotate and drive torsional spring two (56) card income tooth's socket (531) to drive separation and reunion tooth (52) and slide torsional spring one (55), clutch disc (53) reversal can make torsional spring two (56) slide tooth's socket (531).

8. A high accuracy seed assembly as recited in claim 7, wherein: the fixing disc (3) is provided with a limiting block (373) for limiting the rotation of the driving rod (54), the fixing disc (3) is provided with a third spring (57) for pulling the driving rod (54) and the limiting block (373) to abut against, when the driving rod (54) is far away from the limiting block (373), the second torsion spring (56) is clamped into the tooth groove (531), and the end part of the first torsion spring (55) slides over the clutch teeth (52).

9. A high accuracy seed assembly as recited in claim 6, wherein: the upper end of the rotating column (41) is provided with a hooking rod (44), a locking block (532) for hooking the hooking rod (44) is arranged on the clutch disc (53), the detection rod (42) rotates into the seed groove (34) to drive the hooking rod (44) to be separated from the locking block (532), and the detection rod (42) does not rotate into the seed groove (34) to drive the hooking rod (44) to hook the locking block (532) to limit the rotation of the seed supplementing disc (32).

10. A seeding machine comprising a high precision seed assembly as claimed in any one of claims 1 to 9, wherein: including frame (1), rotate set up in walking wheel (2) on frame (1), the interval is equipped with a plurality of ejection of compact mouths (22) on walking wheel (2), ejection of compact mouth (22) and delivery port (331) intercommunication, walking wheel (2) rotate the cover and establish on fixed disk (3), be equipped with on the inner wall of walking wheel (2) and go out corresponding rack (23) of ejection of compact mouth (22), rack (23) and gear (351) mesh mutually, it drives benefit kind of dish (32) pivoted butt joint post (24) to be equipped with a plurality of butts on walking wheel (2) and moves actuating lever (54), butt joint post (24) and ejection of compact mouth (22) one-to-one.

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