CN210641353U

CN210641353U - Seeding mechanism on seeder

Info

Publication number: CN210641353U
Application number: CN201921187485.4U
Authority: CN
Inventors: 项桂峰; 石秀艳; 董克强; 王颖奇; 李子君; 韩全金; 张晓军; 张晓勇
Original assignee: Qingdao Pafic Hardware Co ltd
Current assignee: Qingdao Pafic Hardware Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-02
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a seeding mechanism on a seeder, which comprises a body, a seeder and a depth wheel; the seeder is provided with a left shell, a right shell, a seed inlet, a seed outlet, a rotatable seeding disc, a baffle, a wind adjusting structure and a seed blocking structure, wherein the wind adjusting structure can adjust the area of the seed inlet, and the seed blocking structure can block off the redundant seeds on the seed inlet. The utility model provides a seeding dish is last evenly to open there is the kind of inhaling mouth, realizes evenly seeding when seeding dish rotates to can not appear leaking kind and multiple problem, be applicable to the seeding needs of different seeds.

Description

Seeding mechanism on seeder

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a seeding mechanism on a seeder.

Background

A seed planter (seed) is a planting machine that uses crop seeds as planting objects. According to the sowing method, the sowing machine mainly comprises a broadcast sowing type, a drill sowing type, a hole sowing type and a precision type. The sowing type is a machine which enables the sown seeds to be evenly distributed on a sowing land, and is a common machine type such as a centrifugal type sowing machine; the drill seeding type is mainly used for seeding small-sized seeds such as grains, vegetables and pasture, and is a common machine type such as a grain drill; the hole sowing type is a machine for sowing seeds in holes according to a certain row spacing and hole spacing, and is a commonly used machine type such as a disc type hole sowing machine; the precision type machine for sowing seeds with accurate sowing quantity, row spacing and depth is generally improved on the basis of various seed sowing devices of a hill planter. With the development of technology and increasing production requirements, precision-type seeders will be more widely used for corn, sugar beet, cotton, legumes and certain vegetable crops.

In the prior art, the requirement on the manufacturing precision of related parts such as a seed sowing device and the like is continuously improved, so that the technical problem to be solved by technical personnel in the field is how to effectively ensure the sowing precision and effectively monitor the sowing work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an accurate seeding, rational in infrastructure satisfies the seeding mechanism of different grade type crops seeding needs to overcome the defect in the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme: the seeding mechanism comprises a body, wherein a seeder is arranged at the upper part of the body, a depth wheel is arranged at the lower part of the body, the seeder comprises a left shell and a right shell which are in butt joint fit, a seed inlet is formed in the upper end of the seeder, a seed falling port is formed in the front edge or the rear edge of the lower end of the seeder, a rotatable seeding disc is arranged in the seeder, the rotation axis of the seeding disc is parallel to the rotation axis of the depth wheel, a negative pressure cavity is formed in the seeding disc, a plurality of seed sucking ports communicated with the negative pressure cavity are uniformly formed in the right end face of the seeding disc along the circumferential direction, negative pressure is generated in the negative pressure cavity through a fan, a separation blade is arranged on one side of the left end face of the seeding disc, and the separation blade can shield the seed sucking port; rotatable air adjusting structure and seed blocking structure are arranged on the right shell in a penetrating mode, the air adjusting structure can adjust the area of the seed sucking port, and the seed blocking structure can block off redundant seeds on the seed sucking port.

Preferably, the air adjusting structure comprises a first rotating handle and a first stop block which are matched to work, the first rotating handle is positioned on the outer side of the right shell, and the first stop block can movably abut against the right end face of the sowing plate; the first rotating handle drives the first stop block to adjust the area of the seed sucking port.

Preferably, the seed blocking structure comprises a second rotating handle and a second stop block, the second rotating handle is located on the outer side of the right shell, the second stop block can be movably attached to the right end face of the sowing plate, and the second rotating handle drives the second stop block to block off redundant seeds on the seed suction port.

Preferably, a seed storage box is arranged above the seeder.

Preferably, a photoelectric sensor for monitoring whether the seed is adsorbed in the seed sucking port is arranged in the seeder.

Preferably, the left side of the sowing plate is provided with a cover body, and the edge of the sowing plate is in butt joint fit with the edge of the cover body to form a negative pressure cavity.

Preferably, a frame body is arranged between the right shell and the seeding disc, and the seeding disc and the frame body form a cavity for containing seeds.

Preferably, a furrow opener positioned below the seed dropping opening is arranged on the body of the sowing mechanism.

Furthermore, a soil covering press wheel positioned at the rear part of the furrow opener is arranged on the body of the sowing mechanism.

As the above, the utility model discloses seeding mechanism on the seeder has following beneficial effect:

the seeding tray of the utility model is evenly provided with seed suction ports, so that the seeding tray can realize even seeding when rotating, avoid seed leakage and various problems through the air adjusting structure and the seed blocking structure, and can be effectively suitable for the seeding requirements of different seeds; furthermore, the utility model discloses a photoelectric sensor sows the monitoring, in time discovers and the processing problem, further avoids appearing the problem of leaking kind.

Drawings

Fig. 1 is a schematic view of the present invention in cooperation with a frame.

Fig. 2 is a first perspective view of the present invention in use.

Fig. 3 is a second perspective view of the present invention in use.

Fig. 4 is a perspective view of the seeder of the present invention.

Fig. 5 is an exploded view of fig. 4.

Fig. 6 is a schematic view of the middle air adjusting structure of the present invention.

Fig. 7 is a schematic diagram of the seed stopping structure of the present invention.

Fig. 8 is a working principle diagram of the middle wind adjusting structure and the seed blocking structure of the present invention.

In the figure:

1 frame 11 land wheel

23 earthing suppression wheels of sowing mechanism

21 body 22 seeder

23 depth wheel 24 blower

25 wind adjusting structure 26 keeps off kind of structure

27 seed storage box 28 furrow opener

221 left shell 222 right shell

223 seed inlet 224 seed outlet

225 seeding disc 226 baffle plate

227 photoelectric sensor 2251 seed suction port

251 first handle 252 first stop

261 second rotary handle 262 second stop

228 housing 229 frame

Detailed Description

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "front", "rear", "middle", and the like, referred to in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof should be considered as the scope of the present invention without substantial changes in the technical content.

The utility model discloses a sowing mechanism on seeder, combine fig. 1-fig. 5, it includes body 21, the upper portion of body 21 is equipped with disseminator 22, the lower part is equipped with depth wheel 23, disseminator 22 scatters the seed to ground when rotating. When in use, referring to fig. 1 and 2, the utility model is arranged on a frame 1 of a seeder, a land wheel 11 is arranged on the frame 1, and the frame 1 is driven by a tractor; the utility model discloses a depth wheel 23 can not independently rotate, relies on the tractor to drive and rotates the walking, and then drives the whole walking of sowing mechanism 2. The utility model discloses in depth wheel 23 can realize going up and down to adjust the height of falling kind and the degree of depth of ditching, satisfy the use needs of different situations. The depth wheel 23 can be lifted through an oil cylinder or a rocker structure.

With reference to fig. 4-8, the seeding device 22 of the present invention includes a left casing 221 and a right casing 222 which are in butt joint fit, the upper end of the seeding device 22 is provided with a seed inlet 223, the lower end front edge or rear edge is provided with a seed outlet 224, a rotatable seeding disc 225 is arranged in the seeding device 22, the rotation axis of the seeding disc 225 is parallel to the rotation axis of the depth wheel 23, the seeding disc 225 is provided with a negative pressure cavity, the end surface of the seeding disc 225 is uniformly provided with a plurality of seed suction ports 2251 which are communicated with the negative pressure cavity along the circumferential direction, and the negative pressure cavity generates negative pressure through a fan 24 installed on the frame 1; in practical implementation, referring to fig. 5, a cover 228 is disposed on the left side of the seed tray 225, and the edge of the seed tray 225 is in butt-joint fit with the edge of the cover 228 to form a negative pressure chamber. As shown in fig. 5, a baffle 226 is disposed on one side of the left end surface of the seed tray 225, and the baffle 226 can block one seed suction port 2251 directly above the seed dropping port 224, and the principle is as follows: when one of the seed suction ports 2251 of the sowing plate 225 is rotated to the position of the stopping piece 226, the suction force of the blower 24 to the seed suction port 2251 is lost, and the seeds fall by their own weight. Rotatable wind adjusting structure 25 and seed blocking structure 26 penetrate through right casing 222, and wind adjusting structure 25 is rotated as required during use, and the size of the area of seed suction port 2251 is sheltered from by wind adjusting structure 25, i.e. when the power of fan 24 is constant, the larger the sheltered area is, the larger the suction force of seed suction port 2251 is, and the suction force to the seeds with larger weight is increased. The air adjustment structure 25 adjusts the sum of the areas of all the seed suction ports 2251, and the principle thereof is to shield a part of the plurality of seed suction ports 2251, thereby reducing the sum of the areas of all the seed suction ports 2251 (see fig. 8). The seed blocking structure 26 is rotated to block off the excess seeds on the seed suction ports 2251, so that only one seed is on each seed suction port 2251.

The specific position of the seed dropping hole 224 in the present invention is determined according to the rotation direction of the seeding tray 225, and with reference to fig. 4, 5 and 8, when the seeding tray 225 rotates counterclockwise, the seed dropping hole 224 is at the front edge (left side in fig. 8); conversely, when the seed disc 225 rotates clockwise, the sowing opening 224 is at the rear edge (right side in fig. 8).

In a specific embodiment, referring to fig. 4-6 and 8, the air adjusting structure 25 includes a first rotating handle 251 and a first stopper 252, which cooperate with each other, the first rotating handle 251 is located outside the right housing 222, the first stopper 252 is movably abutted against the right end surface of the seeding tray 225, the first rotating handle 251 drives the first stopper 252 to adjust the area of the seed suction opening 2251, that is, when the first rotating handle 251 is manually rotated, the first stopper 252 moves on the right end surface side of the seeding tray 225, so as to shield the seed suction opening 2251. Referring to fig. 4, 5, 7 and 8, the seed blocking structure 26 includes a second rotating handle 261 and a second stopping block 262, the second rotating handle 261 is located outside the right casing 222, the second stopping block 262 is movably attached to the right end face of the seeding disc 225, the second rotating handle 261 can drive the second stopping block 262 to move, that is, when the second rotating handle 261 is manually rotated, the second stopping block 262 moves on the right end face side of the seeding disc 265, so as to block off the excess seeds on the seed suction port 2251. In the actual assembly arrangement, the second stop 262 is located before the non-suction-force seed-sucking opening 2251, i.e. before the seed falls, and generally referring to fig. 8, the second stop 262 is located above the middle of the seed disc 225.

In a further preferred embodiment, as shown in fig. 5, a frame 229 is disposed between the right casing 222 and the seeding tray 225, the seeding tray 225 and the frame 229 form a cavity for holding seeds, and the position of the seeds in the seeder 22 is limited by the cavity, so as to prevent the seeds from falling into a dead space inside the right casing 22 and causing the seeds to remain. Specifically, the method comprises the following steps: the lower portion of the frame 229 is inclined toward the seeding tray 225, and the seeds at the lowest portion are always in contact with the end surface of the seeding tray 225 through the inclined surface, so that all the seeds can be smoothly adsorbed on the seed sucking port 2251.

The utility model discloses crops such as mainly used maize, beet accomplish precision seeding operation, when using, the utility model discloses a land wheel 11 passes through drive mechanism drive seeding dish 22 and rotates, combines fig. 1-8, the utility model discloses a theory of operation and action process are:

(1) the tractor is connected with the frame 1, then seeds are added into the seeder 22, the air adjusting structure 25 is rotated to determine the suction force of the seed suction port 2251 according to the size, weight and the like of the seeds, and the seed blocking structure 26 is rotated to determine the position of the seed blocking (including the situation that the seed blocking is not needed).

(2) The tractor drives the utility model to move forward, and the fan 24 is started; land wheel 11 rotates and transmits power to seeding disc 225 through drive mechanism, the front of seeding disc 225 (the right side is the seeding disc front in fig. 5) adsorbs the seed on seed suction port 2251 through the suction effect in negative pressure chamber, in the rotation process of seeding disc 225, separation blade 226 position is unchangeable, when a seed suction port 2251 rotates separation blade 226 position, the back of seed suction port 2251 (the right side is the seeding disc back in fig. 5, the back of seed suction port promptly) is blocked, this time this seed suction port 2251 then no longer produces suction to the seed, the seed can rely on the dead weight whereabouts, and fall into subaerial completion seeding through seed suction port 224.

(3) With the continuous rotation of the sowing tray 225, the single seeds fall on the ground in sequence; referring to fig. 8, since all the seed suction ports 2251 of the sowing plate 225 are formed uniformly in the circumferential direction, the dropped seeds have the same distance therebetween, and thus, precise sowing is achieved.

(4) When the tractor stops, the seeding disc 225 stall accomplishes the seeding work after, will the utility model discloses follow the tractor pull down can.

The utility model discloses all rely on the tractor to advance the power that produces and carry out passive work, the energy can be saved has also simplified the structure. In a preferred embodiment, as shown in fig. 2 or fig. 3, a seed storage box 27 is disposed above the sowing device 22, and the seed storage box 27 can store more seeds and throw the seeds into the sowing device 225 in time, so as to achieve the technical effect of continuous sowing.

In a preferred embodiment, as shown in fig. 5, a photoelectric sensor 227 for monitoring whether seeds are adsorbed in the seed suction port 2251 is disposed in the seeder 22, that is, the photoelectric sensor 227 emits a light beam, when no seeds are adsorbed on the seed suction port 2251, the light beam will pass through the seed suction port 2521, and at this time, the photoelectric sensor 227 will generate an electrical signal to give an alarm to remind a worker of seed leakage, so as to replenish seeds in time.

In a preferred embodiment, referring to fig. 4, the furrow opener 28 is arranged on the body 21 of the sowing mechanism 2 and is located below the seed dropping opening 224, the furrow opener 28 is a double-disc type and comprises two obliquely arranged discs, the bottoms of the two discs are close to each other at one side close to the advancing direction (i.e. close to each other at the lower left side in fig. 2), and the furrow opening action is completed when the discs rotate. In addition, as shown in fig. 2 and 3, the body 21 of the sowing mechanism 2 is provided with the soil covering press wheel 3 located behind the furrow opener 28, the soil covering press wheel 3 is also of a double-disc type and comprises two obliquely arranged discs, one sides of the bottoms of the two discs, which are far away from the advancing direction, are close to each other (i.e. the upper right sides of fig. 2 are close to each other), and the soil covering and seed burying actions are completed when the discs rotate.

To sum up, the seeding mechanism on the seeding machine of the utility model effectively overcomes some practical problems in the prior art, thereby having very high utilization value and use significance.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the embodiments described above without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Sowing mechanism on seeder, including body (21), the upper portion of body (21) is equipped with disseminator (22), the lower part is equipped with depth wheel (23), its characterized in that: the seeder (22) comprises a left shell (221) and a right shell (222) which are in butt joint and matched, the upper end of the seeder (22) is provided with a seed inlet (223), the front edge or the rear edge of the lower end is provided with a seed outlet (224), a rotatable seeding disc (225) is arranged in the seeder (22), the rotation axis of the seeding disc (225) is parallel to the rotation axis of the depth wheel (23), the seeding tray (225) is provided with a negative pressure cavity, the right end surface of the seeding tray (225) is uniformly provided with a plurality of seed suction ports (2251) communicated with the negative pressure cavity along the circumferential direction, the negative pressure cavity generates negative pressure through a fan (24), one side of the left end surface of the seeding disc (225) is provided with a baffle plate (226), the baffle plate (226) can shield an inhalation port (2251) right above the seeding port (224), a photoelectric sensor (227) for monitoring whether seeds are adsorbed in the seed sucking port (2251) is arranged in the seeder (22); a rotatable air adjusting structure (25) and a seed blocking structure (26) penetrate through the right shell (222), the air adjusting structure (25) can adjust the area of the seed suction port (2251), and the seed blocking structure (26) can block and drop redundant seeds on the seed suction port (2251); a furrow opener (28) positioned below the seed dropping opening (224) is arranged on the body (21) of the sowing mechanism (2).

2. The planting mechanism on a planter as claimed in claim 1 wherein: the air adjusting structure (25) comprises a first rotating handle (251) and a first stop block (252) which are matched to work, the first rotating handle (251) is positioned on the outer side of the right shell (222), and the first stop block (252) can be movably attached to the right end face of the sowing disc (225); the first rotary handle (251) drives the first stop block (252) to adjust the area of the seed suction port (2251).

3. The planting mechanism on a planter as claimed in claim 1 wherein: the seed blocking structure (26) comprises a second rotating handle (261) and a second stop block (262), the second rotating handle (261) is located on the outer side of the right shell (222), the second stop block (262) can be movably attached to the right end face of the sowing disc (225), and the second rotating handle (261) drives the second stop block (262) to block off redundant seeds on the seed sucking port (2251).

4. The planting mechanism on a planter as claimed in claim 1 wherein: a seed storage box (27) is arranged above the seeder (22).

5. The planting mechanism on a planter as claimed in claim 1 wherein: the left side of the sowing disc (225) is provided with a cover body (228), and the edge of the sowing disc (225) is in butt joint fit with the edge of the cover body (228) to form a negative pressure cavity.

6. The planting mechanism on a planter as claimed in claim 1 wherein: a frame body (229) is arranged between the right shell (222) and the seeding disc (225), and the seeding disc (225) and the frame body (229) form a cavity for containing seeds.

7. The planting mechanism on a planter as claimed in claim 1 wherein: and a body (21) of the sowing mechanism (2) is provided with a soil covering press wheel (3) positioned behind the furrow opener (28).