CN214338598U - Finger-clamping disc axial floating type finger-clamping seed sowing device - Google Patents

Abstract

A finger-clamping disc axial floating type finger-clamping seed sowing device, belonging to agricultural machinery; the device is formed by assembling a seed conveying shell, a locking cap, an adjusting positioning nut, a finger clamping disc, a finger clamp, a tension spring, an end face cam, a seed charging and discharging shaft, a seed charging and discharging shell and a split pin, wherein an open type waveform elastic washer is sleeved and installed on the seed charging and discharging shaft and positioned between the finger clamping disc and the adjusting positioning nut, and two end faces of the open type waveform elastic washer are respectively in contact fit with the finger clamping disc and the adjusting positioning nut; the device realizes axial floating of the finger clamp disc on the filling and discharging shaft, increases the elastic seed filling adjusting interval between the finger clamp and the filling and discharging shell, has the characteristics of simple and reasonable structure, high seed filling efficiency and simple and convenient adjustment, can be particularly suitable for seeding operation of seeds with different sizes or mixed seeds with different sizes, and has low miss-seeding rate and cavitation rate.

Description

Finger-clamping disc axial floating type finger-clamping seed sowing device

Technical Field

The utility model belongs to agricultural machinery, and mainly relates to a finger-clamping seed sowing device.

Background

The finger-clamping seed sowing device is a novel mechanical dry field crop seed sowing device developed in recent years, and has better seed sowing effect, so the finger-clamping seed sowing device is widely popularized and applied in agricultural production. However, in the practice of operation and use in recent years, it is found that the finger-clamping disc with the finger clamp directly contacts and regulates and controls the axial distance between the finger-clamping disc and the matched charging and discharging shell by adopting the regulating and positioning nut on the charging and discharging shaft, so that the finger-clamping disc does not have the axial floating function on the charging and discharging shaft, namely, the axial distance between the finger-clamping disc and the charging and discharging shell is fixed and cannot be regulated and changed. Especially when the uniformity of the seed size is low, the device can not be used for operation.

Disclosure of Invention

The utility model discloses an aim at exactly to the problem that above-mentioned prior art exists, combine the actual need that the seeding operation used, research design indicates that presss from both sides the floating finger of disc axial and presss from both sides the seed metering ware, reaches the adaptability that improves not unidimensional seed, guarantees to fill kind of rate, reduce the purpose of missing broadcast rate and hole rate.

The utility model discloses a basic design is: the end part of a fixedly arranged seed charging and discharging shell is fixedly provided with a seed conveying shell which is communicated with the seed charging and discharging shell, the seed charging and discharging shaft is rotatably supported and arranged on the seed charging and discharging shell, an end face cam is sleeved on the seed charging and discharging shaft in a relatively rotating way, the end face cam is fixedly connected with the seed charging and discharging shell, finger clamp discs are sleeved on the seed charging and discharging shaft and positioned in the cavity of the seed charging and discharging shell in a radial and circumferential direction and can axially reciprocate, an adjusting and positioning nut is rotatably arranged on the seed charging and discharging shaft, a locking cap is sleeved on the outer part of the adjusting and positioning nut in a circumferential and radial direction and can axially move, an opening pin is sequentially inserted and arranged on the locking cap and the seed charging and discharging shaft to lock the locking cap, N finger clamps are uniformly and rotatably arranged on the edge part of the finger clamp discs in the circumferential direction, the N finger clamps are respectively in contact fit with the end face cam, and two ends of a tension spring are respectively connected with the adjacently arranged finger clamps, and an open type wave-shaped elastic washer is sleeved and installed at the position, between the finger-clamping disc and the adjusting positioning nut, on the filling and discharging shaft, and two end faces of the open type wave-shaped elastic washer are respectively in contact fit with the finger-clamping disc and the adjusting positioning nut, so that the finger-clamping disc axial floating type finger-clamping seed metering device is formed.

The utility model discloses a lie in on filling the arranging axle and indicate the structure of pressing from both sides the disc and adjusting positioning nut between joining in marriage dress open type wave form elasticity packing ring, realized indicating that the disc that presss from both sides is filling the epaxial axial of arranging and is floating, increased indicate press from both sides and fill elasticity between the arranging casing and fill kind of regulation interval, for filling kind of a kind of the big grain size kind of a grain provide the condition, have simple structure, reasonable, strong to kind of a grain adaptability, fill kind efficient, miss-seeding rate and hole rate are low, adjust simple and easy convenient characteristics. The device can be particularly suitable for the seeding operation of seeds with different sizes or seeds with different sizes.

Drawings

FIG. 1 is an exploded view of the overall structure of a finger-clamped seed sowing device with axially floating clamping discs;

FIG. 2 is a two-dimensional schematic diagram of the overall structure of a finger-clamping seed sowing device with axially floating clamping discs;

FIG. 3 is a schematic view of the arrangement structure of the charge and discharge shaft, the end cam, the tension spring, the finger chuck disk and the finger chuck;

FIG. 4 is a schematic view of an open type wave elastic washer structure;

FIG. 5 is a side view of FIG. 4;

fig. 6 is a top view of fig. 4.

Description of part numbers in the figures:

1. the seed feeding device comprises a seed feeding shell, 2, a locking cap, 3, an adjusting positioning nut, 4, an open type wave-shaped elastic washer, 5, a finger clamp disc, 6, a finger clamp, 7, a tension spring, 8, an end face cam, 9, a seed charging and discharging shaft, 10, a seed charging and discharging shell, 11 and a split pin.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A finger-clamping disc axial floating type finger-clamping seed sowing device is characterized in that a seed feeding shell 1 communicated with a fixedly arranged seed charging and discharging shell 10 is fixedly arranged at the end part of the seed charging and discharging shell 10, a seed charging and discharging shaft 9 is rotatably supported and arranged on the seed charging and discharging shell 10, an end cam 8 is sleeved on the seed charging and discharging shaft 9 in a relatively rotatable manner, the end cam 8 is fixedly connected with the seed charging and discharging shell 10, a finger-clamping disc 5 is sleeved on the seed charging and discharging shaft 9 in a radial and circumferential positioning manner and in an axial reciprocating manner at the position in a cavity of the seed charging and discharging shell 10, an adjusting positioning nut 3 is rotatably arranged on the seed charging and discharging shaft 9, a locking cap 2 is sleeved on the outer part of the adjusting positioning nut 3 in a circumferential and radial positioning manner and in an axial movable manner, a split pin 11 is sequentially inserted and assembled on the locking cap 2 and the seed charging and discharging shaft 9 to lock the locking cap 2, N finger clamps 6 are rotatably and uniformly arranged on the edge part of the finger-clamping disc 5 along the circumferential direction, n indicate the clamp 6 to be the contact cooperation with end cam 8 respectively, and tension spring 7's both ends are connected with the finger clamp 6 of adjacent configuration respectively fill arrange axle 9 on, be located between finger clamp disc 5 and the adjusting positioning nut 3 position department suit installation open type wave form elasticity packing ring 4, the both ends face of open type wave form elasticity packing ring 4 is the contact cooperation with finger clamp disc 5 and adjusting positioning nut 3 respectively. The thickness S of the plate of the open type wave-shaped elastic washer 4 is 0.35 mm, the integral free height H is 2.56 mm, and the overlapping angle alpha of the two ends of the opening is 20 degrees.

During the seed charging and discharging operation, the external transmission rotary power drives the finger clamp 6 to rotate around the axial lead of the seed charging and discharging shaft 9 through the seed charging and discharging shaft 9 and the finger clamp disk 5 in sequence, the finger clamp 6 repeatedly rotates on the finger clamp disk 5 under the cooperative control of the end face cam 8 and the tension spring 7, and the seed discharging operation of opening, seed charging, closing, clamping, seed conveying and reopening of the mutual cooperation between the finger clamp 6 and the inner end face of the seed charging and discharging shell 10 is completed. In the process of opening and filling seeds, when the size of the filled seeds is larger, the finger clamp disc 5 is pushed to the outer side of the filling and discharging shell 10 axially by the axial force generated when the seeds are filled and clamped firmly through the finger clamp 6 on the filling and discharging shaft 9, the distance between the finger clamp 6 and the inner end face of the filling and discharging shell 10 is increased, and at the moment, the open type wavy elastic washer 4 is compressed, so that the reliability of filling the seeds with larger size is ensured, and the missing filling and the cavity are avoided and eliminated.

The axial position of the positioning nut 3 is rotatably adjusted on the charging and discharging shaft 9, so that the charging and discharging requirements of different large-size grains can be met and adapted.

Claims (2)

1. A finger-clamped disc axial floating type finger-clamped seed sowing device is characterized in that a seed conveying shell (1) communicated with a seed filling and sowing shell (10) is fixedly arranged at the end part of the fixedly arranged seed filling and sowing shell (10), the seed filling and sowing shell (9) is rotatably supported and installed on the seed filling and sowing shell (10), an end cam (8) is sleeved on the seed filling and sowing shell (9) in a relatively rotating manner, the end cam (8) is fixedly connected with the seed filling and sowing shell (10), a finger-clamped disc (5) is sleeved on the seed filling and sowing shell (9) and positioned in the cavity of the seed filling and sowing shell (10) in a radial and circumferential direction and axially reciprocating manner on the seed filling and sowing shell, an adjusting positioning nut (3) is rotatably arranged on the seed filling and sowing shell (9), an anti-loosening cap (2) is sleeved on the outer part of the adjusting positioning nut (3) in a circumferential direction and a radial direction and movably in an axial direction, a split pin (11) is sequentially inserted and assembled on the anti-loosening cap (2) and the anti-loosening cap (2) to lock the anti-loosening cap (9), indicate to press from both sides disc (5) edge part and go up along the circumferencial direction equipartition and rotationally install N and indicate to press from both sides (6), N indicates to press from both sides (6) and be the contact cooperation with end cam (8) respectively, and the both ends of tension spring (7) are connected with the finger clamp (6) of adjacent configuration respectively, its characterized in that: an open type wave-shaped elastic washer (4) is sleeved and installed at a position, located between the finger clamping disc (5) and the adjusting and positioning nut (3), on the charging and discharging shaft (9), and two end faces of the open type wave-shaped elastic washer (4) are in contact fit with the finger clamping disc (5) and the adjusting and positioning nut (3) respectively.

2. The finger-grip disc axial floating finger-grip seed metering device of claim 1, wherein: the thickness S of the plate of the open type wavy elastic washer (4) is 0.35 mm, the integral free height H is 2.56 mm, and the overlapping angle alpha of two ends of the opening is 20 degrees.

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