A kind of eccentric type sowing mechanism
Technical field
The present invention relates to field of agricultural machinery, be specifically related to a kind of eccentric type sowing mechanism.
Background technology
Program request also known as bunch planting, namely broadcast row on open bunch planting kind at a certain distance.Program request can ensure spacing in the rows and density, is conducive to saving seed, is convenient to thinning, intertillage, is used for the crops such as corn, cotton, beet, sunflower.Employing precision sower is sowed, can by certain Distance geometry degree of depth, and accurately 1 or 2 seed under every bunch planting, also can be sprinkled into weed killer herbicide and agricultural chemicals in conjunction with sowing.The crop such as corn, cotton adopts during precision drilling can save seed greatly, reduces thinning, final singling operation; But higher to requirement that is whole and seed quality, as cotton must use sulfuric acid lint, germination rate 90% with first-class.But the dibble seeder structure of prior art generally adopts complicated frame for movement, and such cost is very high, sower buying common peasant household being carried to this sowing structure obviously drops into too large.
And for example, Authorization Notice No. is the sowing mechanism of a kind of seed dibbler disclosed in the application for a patent for invention of number CN203312065U, comprise seed-box, seed tray, sowing arm, sowing spoon and sowing pipe, its innovative point is: this sowing mechanism carries out spring energy storage by the wheel cooperation of touching be arranged on directly over the torsion spring of sowing arm end and seed tray, realizes the impelling of seed in sowing spoon by discharging this elastic potential energy.Although this invention also can realize program request sowing, but the mode that throwing type sowing is carried out in its effect by spring is existing defects, this mode can aging along with spring, elastic force declines and loses its accuracy gradually, complete and its walking arrangement structure of carrying departs from simultaneously, like this, operator can not, by the efficiency regulating the speed of walking arrangement to regulate sowing, be very unstable one design.
Summary of the invention
The invention provides structure simple, and instability reliably can not because of aging and a kind of eccentric type sowing mechanism of impact effect.
In order to achieve the above object, the present invention adopts following technical scheme: comprising the separator for the seed of storing being carried out simple grain separation, providing the pendulous device of eccentric swing power by single seed after being separated by the form falling apparatus being divided into multiple unit to fall and for the screening of seed and whereabouts, it is characterized in that: described separator comprises the screening plant screening seed; Be provided with at least one below described screening plant and carry out buffer memory in order to the seed will fallen in screening plant, and slow down the apparatus for temporary storage of seeds fall quantity; Be provided with the seed fallen in described apparatus for temporary storage below described apparatus for temporary storage take simple grain as the lower leakage device leaked under a unit; The center, ground portion of described screening plant offer seed by and the screen holes of lower leakage, departing from center position on bottom described apparatus for temporary storage offers according to the seed size setting only eccentric orfice of permission single seed by falling, the bottom place of keeping to the side of described lower leakage device offers seed by the downcast hole fallen, and the sidewall of described lower leakage device offers and coordinates and the seed export communicated with described downcast hole; Described form falling apparatus is arranged on the front of described separator, and described form falling apparatus comprises form downthrown block, and described form downthrown block is arranged on the front lower place of described seed export.
Preferred as one, the bottom panel of described screening plant is provided with multiple screening groove that can be improved screening effeciency by the motion amplitude of raising seed in described screening plant and frequency.
Preferred as one, each described apparatus for temporary storage after mounting, the equal misalignment of described eccentric orfice, aim at, and its central point forms 15 ° or 30 ° or 180 ° or 90 ° by upper and lower two eccentric orfice decentraction.
Preferred as one, on described form downthrown block centered by described form downthrown block annular be provided with multiple seeds fall mouth.
Preferred as one, the top of described seeds fall mouth is fixedly connected with and can stops the outer bullet of seed, and rule put the whereabouts mouth dividing plate that seed falls into described seeds fall mouth, and described whereabouts mouth dividing plate has three pieces, jointly surrounds triangular funne shape mutually.
Preferred as one, described form falling apparatus also includes and is arranged on described form downthrown block center, can coordinate with described whereabouts mouth dividing plate, the seed of ejection is stopped into described seeds fall mouth stop post and be arranged on other three sides that described form downthrown block removes described separator side and be provided with and match with described stop post, seed is prevented to be thrown out of the barrier plate of described form falling apparatus, described resistance shelves post smooth-sided compression candles is without corner angle, it is socketed with the connection collar affixed with described separator, described barrier plate is fillet at joining place, inner side is without corner angle, the bottom nature of described stop version is close to described form downthrown block, form guide section.
Preferred as one, described pendulous device is arranged on described separation unit bottoms, and what described separator can be driven to swing together is fixedly connected with described separator.
Preferred as one, described pendulous device is arranged on the below of described form downthrown block, and what described separator can be driven to swing together is fixedly connected with described separator.
Preferred as one, described pendulous device comprises the first rotating shaft, driving shaft, be arranged on the first gear in described first rotating shaft and the second gear, to be fixed on described driving shaft and and the driving gear of described first gears meshing, second rotating shaft, to be fixed in described second rotating shaft and and the 3rd gear of described second gears meshing, be positioned at the 3rd rotating shaft above described second rotating shaft, be fixed on the driving bevel gear in described 3rd rotating shaft, with for described pendulous device beyond the vertical rotating shaft that is fixedly connected with of other structural members and to be fixed in described vertical rotating shaft and and the driven bevel pinion of described driving bevel gear engagement, described 3rd rotating shaft, swing jockey is provided with between second rotating shaft.
Preferred as one, described described swing jockey comprises little cam that the big cam that is fixedly connected with described 3rd rotating shaft is connected with described second rotating shaft and and the hinged connecting rod of described big cam, little cam.
To sum up, the present invention has the following advantages:
1, separator of the present invention comprises the screening plant of screening seed; Be provided with at least one below described screening plant and carry out buffer memory in order to the seed will fallen in screening plant, and slow down the apparatus for temporary storage of seeds fall quantity; Be provided with the seed fallen in described apparatus for temporary storage below described apparatus for temporary storage take simple grain as the lower leakage device leaked under a unit; The center, ground portion of described screening plant offer seed by and the screen holes of lower leakage, departing from center position on bottom described apparatus for temporary storage offers according to the seed size setting only eccentric orfice of permission single seed by falling, the bottom place of keeping to the side of described lower leakage device offers seed by the downcast hole fallen, and the sidewall of described lower leakage device offers and coordinates and the seed export communicated with described downcast hole; Described form falling apparatus is arranged on the front of described separator, and described form falling apparatus comprises form downthrown block, and described form downthrown block is arranged on the front lower place of described seed export.The benefit of this structural design is separator and form falling apparatus are coordinated with pendulous device, is all relatively firm non-damageable structural member, and the first material is simple, and difficulty of processing is low simultaneously, saves very much like this with regard to cost; Second structure is aging not high with the relevance of effect, just can lose effect as long as damage completely, instead of along with aging effect declines gradually as spring structure, ensure that the degree of fixation of effect.
2, after mounting, the equal misalignment of described eccentric orfice, upper and lower two eccentric orfice decentraction are aimed at, and its central point forms 15 ° or 30 ° or 180 ° or 90 ° for the present invention is preferred each described apparatus for temporary storage.Four angles are actual by experiment obtains for this, when when seed grain is not very large, specifically diameter is at 2mm ~ 2.5mm the angle of 180 ° can ensure seed fall time single, 90 ° are adopted when the concrete diameter of seed is between 2.5mm ~ 3.5mm, at the concrete diameter of seed between 3.5 ~ 6mm, adopt 30 ° when being specially soya bean seed, but adopt the setting of 15 ° the most effective in seed diameter when 3.5 ~ 6mm seed is this flat seed of corn seed.The demand of program request can be guaranteed by this mode of specific experiment, simultaneously because the structure that this perforate is fallen by vibration does not need the easy aging malfunctioning devices such as spring, but the simple reason using more firmly structural member to complete, his service life and the stability of effect all more high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the schematic top plan view of the embodiment of the present invention;
Fig. 3 is the guide section structural representation of the embodiment of the present invention;
Fig. 4 is the structural representation of the embodiment of the present invention;
Fig. 5 is the plan structure schematic diagram of the embodiment of the present invention;
Fig. 6 is the pendulous device structural representation of the embodiment of the present invention;
Number in the figure is as follows:
1-separator, 2-form falling apparatus, 5-pendulous device, 101-screening plant, 102-apparatus for temporary storage, leakage device under 103-, 1011-screen holes, 1012-screens groove, 1021-eccentric orfice, 1031-downcast hole, 1032-seed export, 201-form downthrown block, 202-stops post, 203-barrier plate, 2011-seeds fall mouth, 2012-whereabouts mouth dividing plate, 2021-connects the collar, 2031-guide section, 501-first rotating shaft, 502-first gear, 503-second gear, 504-driving gear, 505-second rotating shaft, 506-the 3rd gear, 507-the 3rd rotating shaft, 508-connecting rod, 509-driving bevel gear, the vertical rotating shaft of 510-, 511-driven bevel pinion, 512-big cam, the little cam of 513-.
Embodiment
Below in conjunction with accompanying drawing, with embodiment, the invention will be further described.
As shown in Fig. 1 to Fig. 2 Yu Fig. 3, comprising the separator 1 for the seed of storing being carried out simple grain separation, providing the pendulous device 5 of eccentric swing power by single seed after being separated by the form falling apparatus 2 being divided into multiple unit to fall and for the screening of seed and whereabouts, separator 1 comprises the screening plant 101 screening seed; Be provided with at least one below screening plant 101 in order to the seed fallen in screening plant 101 is carried out buffer memory, and slow down the apparatus for temporary storage 102 of seeds fall quantity; Be provided with the seed fallen in apparatus for temporary storage 102 below apparatus for temporary storage 102 take simple grain as the lower leakage device 103 leaked under a unit; The center, ground portion of screening plant 101 offer seed by and the screen holes 1011 of lower leakage, departing from center position on bottom apparatus for temporary storage 102 offers according to the seed size setting only eccentric orfice 1021 of permission single seed by falling, the bottom place of keeping to the side of lower leakage device 103 offers seed by the downcast hole 1031 fallen, and the sidewall of lower leakage device 103 offers and coordinates and the seed export 1032 communicated with downcast hole; Form falling apparatus 2 is arranged on the front of separator 1, and form falling apparatus 2 comprises form downthrown block, and form downthrown block 201 is arranged on the front lower place of seed export 1032.Pendulous device 5 is arranged on bottom separator 1, and what separator 1 can be driven to swing together is fixedly connected with separator 1.On form downthrown block 201 centered by form downthrown block 201 annular be provided with multiple seeds fall mouth 2011.The top of seeds fall mouth 2011 is fixedly connected with and can stops the outer bullet of seed, and rule put the whereabouts mouth dividing plate 2012 that seed falls into seeds fall mouth, and whereabouts mouth dividing plate 2012 has three pieces, jointly surrounds triangular funne shape mutually.Form falling apparatus 2 also includes and is arranged on form downthrown block 201 center, can coordinate with whereabouts mouth dividing plate 2012, the seed of ejection is stopped into seeds fall mouth 2011 stop post 202 and be arranged on other three sides that form downthrown block 201 removes separator side and be provided with and stop that post 202 matches, seed is prevented to be thrown out of the barrier plate 203 of form falling apparatus, resistance shelves post 202 smooth-sided compression candles is without corner angle, it is socketed with the connection collar 2021 affixed with separator, barrier plate 203 is fillet at joining place, inner side is without corner angle, stop that the bottom nature of version 203 is close to form downthrown block 201, form guide section 2031.
As shown in Fig. 4 to Fig. 5 Yu Fig. 3, comprising the separator 1 for the seed of storing being carried out simple grain separation, providing the pendulous device 5 of eccentric swing power by single seed after being separated by the form falling apparatus 2 being divided into multiple unit to fall and for the screening of seed and whereabouts, separator 1 comprises the screening plant 101 screening seed; Be provided with at least one below screening plant 101 in order to the seed fallen in screening plant 101 is carried out buffer memory, and slow down the apparatus for temporary storage 102 of seeds fall quantity; Be provided with the seed fallen in apparatus for temporary storage 102 below apparatus for temporary storage 102 take simple grain as the lower leakage device 103 leaked under a unit; The center, ground portion of screening plant 101 offer seed by and the screen holes 1011 of lower leakage, departing from center position on bottom apparatus for temporary storage 102 offers according to the seed size setting only eccentric orfice 1021 of permission single seed by falling, the bottom place of keeping to the side of lower leakage device 103 offers seed by the downcast hole 1031 fallen, and the sidewall of lower leakage device 103 offers and coordinates and the seed export 1032 communicated with downcast hole; Form falling apparatus 2 is arranged on the front of separator 1, and form falling apparatus 2 comprises form downthrown block, and form downthrown block 201 is arranged on the front lower place of seed export 1032.Pendulous device 5 is arranged on the below of form downthrown block, and what separator 1 can be driven to swing together is fixedly connected with separator 1.On form downthrown block 201 centered by form downthrown block 201 annular be provided with multiple seeds fall mouth 2011.The top of seeds fall mouth 2011 is fixedly connected with and can stops the outer bullet of seed, and rule put the whereabouts mouth dividing plate 2012 that seed falls into seeds fall mouth, and whereabouts mouth dividing plate 2012 has three pieces, jointly surrounds triangular funne shape mutually.Form falling apparatus 2 also includes and is arranged on form downthrown block 201 center, can coordinate with whereabouts mouth dividing plate 2012, the seed of ejection is stopped into seeds fall mouth 2011 stop post 202 and be arranged on other three sides that form downthrown block 201 removes separator side and be provided with and stop that post 202 matches, seed is prevented to be thrown out of the barrier plate 203 of form falling apparatus, resistance shelves post 202 smooth-sided compression candles is without corner angle, it is socketed with the connection collar 2021 affixed with separator, barrier plate 203 is fillet at joining place, inner side is without corner angle, stop that the bottom nature of version 203 is close to form downthrown block 201, form guide section 2031.
As shown in Figure 1, the bottom panel of screening plant 101 is provided with multiple screening groove 1012 that can improve screening effeciency by improving the motion amplitude of seed in screening plant and frequency.Each apparatus for temporary storage 102 after mounting, eccentric orfice 1021 all misalignment, aim at, and its central point forms 15 ° or 30 ° or 180 ° or 90 ° by upper and lower two eccentric orfice 1021 decentraction.
As shown in Figure 6, pendulous device 5 comprises the first rotating shaft 501, driving shaft 3, be arranged on the first gear 502 and the second gear 503 in the first rotating shaft 501, be fixed on the driving gear 504 that driving shaft 3 also engages with the first gear 502, second rotating shaft 505, be fixed on the 3rd gear 506 that the second rotating shaft 505 is also engaged with the second gear 503, be positioned at the 3rd rotating shaft 507 above the second rotating shaft 505, be fixed on the driving bevel gear 509 in the 3rd rotating shaft 507, with for pendulous device 5 beyond the vertical rotating shaft 510 that is fixedly connected with of other structural members and to be fixed in vertical rotating shaft 510 and and the driven bevel pinion 511 of driving bevel gear 509 engagement, 3rd rotating shaft 507, swing jockey is provided with between second rotating shaft 505.Swing jockey and comprise little cam 513 that the big cam 512 that is fixedly connected with the 3rd rotating shaft 507 is connected with the second rotating shaft 505 and and the hinged connecting rod 508 of big cam 512, little cam 513.
More than illustrate it is only explanation of the invention, those of ordinary skill in the art's can completely is made to implement this programme, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification, and these are all not creative amendments.As long as but be all subject to the protection of Patent Law in right of the present invention.