CN218959464U - Seed metering device matched with spiral conveying type seeder - Google Patents

Abstract

The utility model discloses a seed metering device matched with a spiral conveying type seeder, which comprises a support vertical pipe, a seed metering sleeve, a seed metering rotating shaft, a propelling auger, a seed taking auger and a driving device. The seed metering sleeve pipe transversely runs through the middle part both sides of supporting the standpipe. The seed metering rotating shaft is arranged in the seed metering sleeve, a pushing auger and a seed taking auger are respectively arranged on the seed metering rotating shaft, and at least one end of the seed metering rotating shaft penetrates through the seed metering sleeve and is in driving connection with the driving device. The seed metering device uses the spiral conveying principle, reasonably sets the position distribution, spiral direction and the like of the seed taking auger, the pushing auger, can realize bidirectional seed metering and continuous precise seed metering of seeds, and is not easy to cause the phenomena of seed clamping, seed injury and the like. In practical application, parameters such as the inner diameter, the outer diameter, the screw pitch and the like of the auger and the rotating speed of the driving device can be adjusted according to the size and the shape of crop seeds and the required sowing density so as to meet the sowing requirements of different seeds and realize continuous precise sowing.

Description

Seed metering device matched with spiral conveying type seeder

Technical Field

The utility model belongs to the technical field of agricultural seeding devices, and particularly relates to a seed metering device matched with a spiral conveying type seeding machine.

Background

With the development of agricultural mechanization, crops such as rice, wheat, corn, soybean and the like are commonly sowed by a sowing machine. The seeder is matched with a seed sowing device for separating seeds from the clusters and sowing the seeds into soil according to a certain plant spacing and row spacing and a preset soil penetration depth. At present, various seed metering devices are available on the market, and most common seed metering devices include an outer grooved wheel type, a cellular type, a spoon disc type, a drum type and the like, and according to the size and the shape of crop seeds and the sowing specification, the proper seed metering device can be arranged on the sowing machine. At present, a spoon-type seed sowing device is generally adopted for rice dry sowing, such as a patent 'turnover sample spoon-type seed sowing device' (CN 208113298U), and although the spoon-type seed sowing device can realize accurate and efficient seed sowing of crops such as rice and the like, the structure of the spoon-type seed sowing device is relatively complex, the cost is high, and the production requirement cannot be well met. On the other hand, the spiral auger has simple structure, low manufacturing cost, durability and good universality, and is widely applied to the propelling and conveying of granular fluid materials. If the spiral auger is adopted to manufacture the seed metering device, the conditions of no seed clamping, no seed damaging, continuous seed metering, and the seed metering quantity meeting the agronomic requirements are also required. Therefore, the spiral auger is adopted for seed metering, and a design scheme different from that of a common material conveying auger is adopted.

Disclosure of Invention

The utility model aims to provide a seed sowing device matched with a spiral conveying type seeder, thereby solving the problems that the existing seed sowing device has relatively complex structure and higher cost and can not well meet the production requirement.

In order to achieve the above purpose, the utility model provides a seed metering device matched with a spiral conveying type seeder, which comprises a support vertical pipe, a seed metering sleeve, a seed metering rotating shaft, a seed taking auger and a driving device, wherein the seed taking auger is fixed on the periphery of the seed metering rotating shaft, the seed metering rotating shaft is arranged in the seed metering sleeve, and at least one end of the seed metering rotating shaft extends out of the seed metering sleeve and is in driving connection with the driving device; the seed metering sleeve penetrates through the support vertical pipe, an inoculation port is formed in the upper portion of the seed metering sleeve and located in the support vertical pipe, and a seed metering port is formed in the lower portion of the seed metering sleeve and away from one end of the support vertical pipe; the starting end of the seed taking auger is flush with the edge of the seed sowing opening of the seed sowing sleeve or slightly retreats inwards, and the ending end of the seed taking auger is arranged in the seed sowing opening of the seed sowing sleeve.

Preferably, the seed taking auger is a double-spiral auger.

Preferably, the two ends of the seed sowing sleeve respectively penetrate through the supporting vertical pipes, the inoculation port is arranged in the middle of the seed sowing sleeve, the seed sowing ports are respectively arranged on two sides of the inoculation port, and seed taking augers are respectively arranged in the seed sowing sleeves on two sides of the inoculation port.

Preferably, a pushing auger is further fixed on the periphery of the seed sowing rotating shaft, the pushing auger is arranged in the inoculation port, and the ending end of the pushing auger is separated from the starting end of the seed taking auger. Specifically, a section of seed metering rotating shaft between the pushing auger and the seed taking auger is provided with a section of non-auger.

Preferably, a pushing auger is further fixed on the periphery of the seed sowing rotating shaft, the pushing auger comprises a left-handed pushing auger and a right-handed pushing auger, the connection points of the left-handed pushing auger and the right-handed pushing auger are aligned with the middle point of the inoculation port, and the end ends of the left-handed pushing auger and the right-handed pushing auger are respectively spaced from the start end of the seed taking auger.

Preferably, a bearing is arranged at the end part of the seed metering sleeve, and the seed metering rotating shaft is connected with the seed metering sleeve through the bearing.

Preferably, one side of the support vertical pipe is provided with a seed discharging opening and a detachable seed discharging cover, and the seed discharging opening is arranged below the seed discharging sleeve.

Preferably, a baffle plate is arranged in the support vertical pipe and is inclined, the upper end of the baffle plate is arranged below the seed sowing sleeve, and the lower end of the baffle plate is flush with the lower edge of the seed discharging port.

Preferably, the vertical pipe fixing device further comprises a vertical pipe fixing seat and a frame cross beam, wherein the vertical pipe fixing seat is fixed on the frame cross beam at intervals, the lower portion of the vertical pipe is sleeved on the vertical pipe fixing seat, one side of the lower portion of the vertical pipe is further provided with a screw hole, and a jackscrew penetrates through the screw hole to detachably fix the vertical pipe and the vertical pipe fixing seat.

Preferably, the seed box is further included, and a seed outlet of the seed box is connected with the support vertical pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model uses the spiral conveying principle, reasonably sets the position distribution, the spiral direction and the like of the seed taking auger, the pushing auger, can realize continuous and precise seed sowing of seeds, and is not easy to cause the phenomena of seed clamping, seed injury and the like. In practical application, the inner diameter and the outer diameter of the auger blade, the screw pitch, the rotating speed of the driving device and the like can be adjusted according to the size and the shape of crop seeds and the required sowing density so as to meet the sowing requirements of different seeds and realize continuous precise sowing.

2. The propelling auger comprises a left-handed propelling auger and a right-handed propelling auger, and seed taking augers with the same spiral direction are respectively arranged on two sides of the left-handed propelling auger and the right-handed propelling auger, so that discharged seeds at one seed outlet in the seed box can be discharged to seed discharging sleeves on two sides of the supporting vertical pipe at the same time, and the seed discharging efficiency can be improved. The seed sowing device is also provided with a plurality of supporting vertical pipes at the same time, and a plurality of seed sowing rotating shafts can be connected through a coupler and driven by the same driving device, so that the sowing efficiency is further improved.

3. The seed sowing device has the advantages of simple structure, low manufacturing cost, durability and good universality; the seeding machine is simple and convenient to use and operate, is not easy to cause seed clamping and seed damaging, can be used for seeding crops such as rice, wheat and soybean, and is easy to popularize and apply.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the seed metering sleeve of the present utility model.

Fig. 3 is a schematic structural view of the seed metering shaft of the present utility model.

The main reference numerals illustrate:

1. supporting a standpipe; 11. a seed discharging port; 12. discharging a seed cover; 2. A seed metering sleeve; 21. an inoculation port; 22. a seed metering port; 3. a seed metering rotating shaft; 4. pushing the auger; 41. left-handed propulsion auger; 42. right-handed pushing auger; 5. taking a seed auger; 6. a driving device; 7. a vertical tube fixing seat; 8. a seed box; 81. a seed outlet; 9. a bearing; 10. and a frame cross beam.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1-3, the seed metering device matched with the spiral conveying type seeder comprises a hollow supporting vertical pipe 1, a seed metering sleeve pipe 2, a seed metering rotating shaft 3, a propelling auger 4, a seed taking auger 5, a driving device 6, a vertical pipe fixing seat 7, a seed box 8 and a frame cross beam 10. The seed box 8 and the vertical pipe fixing seat 7 are respectively arranged above and below the supporting vertical pipe 1. The seed metering sleeve 2 transversely penetrates through two sides of the middle of the support vertical pipe 1. The seed metering rotating shaft 3 is arranged in the seed metering sleeve 2, the seed metering rotating shaft 3 is respectively provided with a pushing auger 4 and a seed taking auger 5, and at least one end of the seed metering rotating shaft 3 penetrates through the seed metering sleeve 2 and is in driving connection with the driving device 6.

Specifically, the seed box 8 is provided with a seed outlet 81, and the seed outlet 81 of the seed box 8 is inserted into the support standpipe 1. In this embodiment, the seed box 8 may be a mineral water bucket cut off from the bottom and inserted upside down into the support standpipe 1. Of course, a specially tailored seed box or tank may also be used.

Further, the bottom of the supporting standpipe 1 is detachably fixed on the standpipe fixing seat 7. Specifically, a mounting groove with a transverse screw hole can be formed in the standpipe fixing seat 7, a screw hole is formed in one side of the lower portion of the support standpipe 1, the bottom of the support standpipe 1 is inserted into the standpipe fixing seat 7, and a jackscrew penetrates through the screw hole to fix the support standpipe 1 and the standpipe fixing seat 7. The support risers 1 can be arranged in a plurality of groups and are arranged at intervals along the frame cross beam 10. When in use, the seed sowing device can be fixed on the frame cross beam 10 of the seeder through the vertical pipe fixing seat 7.

Referring to fig. 2, the seed metering pipe sleeve transversely penetrates through two sides of the middle upper portion of the support standpipe 1, and the penetrating opening can be further sealed and fixed through sealant and the like. Seed metering sleeve pipe 2 upper portion, and be located be equipped with inoculation mouth 21 in supporting standpipe 1, seed metering sleeve pipe 2 lower part, and keep away from support standpipe 1 both ends are equipped with seed metering mouth 22 respectively, seed metering sleeve pipe both ends port is equipped with bearing 9 respectively. The seed metering rotating shaft 3 is arranged in the seed metering sleeve 2 and is fixed with the seed metering sleeve through the bearing 9, and at least one end of the seed metering rotating shaft 3 extends out of the seed metering sleeve 2 and is in driving connection with the driving device 6. The driving device 6 drives the seed discharging rotating shaft 3 to rotate relative to the seed discharging sleeve 2, and the seeds at the inoculation port 21 are discharged to the seed discharging ports 22 at the two sides. The driving device 6 can be a driving motor, and the seed metering density can be adjusted by adjusting the rotating speed of the driving device 6.

Referring to fig. 3, the start end and the end of the pushing auger 4 are both disposed in the inoculation port 21, and the end of the pushing auger 4 is spaced from the start end of the seed taking auger 5. Specifically, the propelling auger 4 comprises a left-handed propelling auger 41 and a right-handed propelling auger 42, and the joint point of the left-handed propelling auger 41 and the right-handed propelling auger 42 is aligned with the middle point of the inoculation port 21; the end ends of the left-handed pushing auger 41 and the right-handed pushing auger 42 are respectively spaced from the start end of the seed taking auger 5. The left-handed pushing auger 41 and the right-handed pushing auger 42 can stir the seeds discharged from the seed box 8 into the supporting vertical pipe 1, and prevent the seeds from being blocked by blocked movement after gathering. Meanwhile, the left-handed pushing auger 41 and the right-handed pushing auger 42 can push seeds into the seed sowing sleeves 2 on two sides of the supporting vertical pipe 1 respectively, so that the seed sowing efficiency is improved.

Further, the starting end of the seed taking auger 5 is flush with the edge of the inoculation port 21 of the seed discharging sleeve 2 or slightly retreats inwards, so that the seeds can be prevented from being blocked. The end of the seed taking auger 5 is arranged in the middle of the seed discharging port 22 of the seed discharging sleeve 2, namely seeds are discharged from the seed discharging port 22 under the drive of the seed taking auger 5. Preferably, the seed taking auger 5 is a double-spiral auger, so that the sowing efficiency can be further improved.

Further, a seed discharging opening 11 and a detachable seed discharging cover 12 are arranged on one side of the support vertical pipe 1, and the seed discharging opening 11 is arranged below the seed discharging sleeve 2. Excess seeds in the seed box 8 can be discharged through the seed discharging port 11. Specifically, be equipped with baffle 13 in supporting standpipe 1, baffle 13 is the oval form of slope, the upper end of baffle 13 is located seed metering sleeve pipe 2 below, the lower extreme of baffle 13 with the lower limit of discharging the kind mouth 11 flushes, baffle 13 accessible welding etc. current mode with it is fixed to support standpipe 1. In this embodiment, the diameter of the support standpipe 1 is greater than the diameter of the seed metering sleeve 2. Part of seeds can fall onto the baffle plate 13 through the gap between the seed discharging sleeve pipe 2 and the supporting vertical pipe 1, when the seed discharging opening 11 is opened, the seeds can be discharged from the seed discharging opening 11 along the baffle plate 13, and the inclined baffle plate 13 is more beneficial to discharging the seeds in the supporting vertical pipe 1.

The seed sowing device is used for sowing rice seeds. The seed sowing device is fixed on a frame cross beam of the spiral conveying type seeder through a vertical pipe fixing seat 7. The seed box 8 is inserted into the support vertical pipe 1, and rice seeds are loaded into the seed box 8. Starting the driving device 6, driving the seed discharging rotating shaft 3 to rotate by the driving device 6, stirring and pushing seeds in the supporting vertical pipe 1 to the seed taking augers 5 on two sides by the pushing augers 4 on the seed discharging rotating shaft 3, respectively conveying the seeds to the seed discharging openings 22 on two ends of the seed discharging sleeve pipe 2 by the seed taking augers 5, and discharging rice seeds from the seed discharging openings 22. If the seed box 8 still has excessive rice seeds after sowing, the seed discharging opening 11 can be opened, and the excessive rice seeds are discharged from the seed discharging opening 11. The device has simple structure and simple and convenient operation, is not easy to generate phenomena of seed clamping and seed damaging, and is favorable for popularization and application of production.

In summary, the utility model uses the spiral conveying principle, and reasonably arranges the position distribution, spiral direction and the like of the seed taking auger 5 and the seed pushing auger, so that bidirectional seed sowing and continuous precise seed sowing of seeds can be realized, and the phenomena of seed clamping, seed injury and the like are not easy to occur. In practical application, parameters such as the inner diameter, the outer diameter, the screw pitch and the like of the auger and the rotating speed of the driving device 6 can be adjusted according to the size and the shape of crop seeds and the required sowing density so as to meet the sowing requirements of different seeds and realize continuous precise sowing.

The standard parts used in the application document can be purchased from the market, the standard parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to the common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail, the peripheral controller mentioned in the specification can play a control role for the electrical elements mentioned in the specification, and the peripheral controller is conventional known equipment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a with supporting seed metering ware of screw conveyer seeder, includes hollow support standpipe (1), seed metering sleeve pipe (2) and seed metering pivot (3), gets kind auger (5) and drive arrangement (6), get kind auger (5) and fix on the periphery of seed metering pivot (3), seed metering pivot (3) are located in seed metering sleeve pipe (2), its at least one end extends to outside seed metering sleeve pipe (2) with drive arrangement (6) drive connection, characterized in that, seed metering sleeve pipe (2) run through support standpipe (1) setting, seed metering sleeve pipe (2) upper portion just is located be equipped with inoculation mouth (21) in support standpipe (1), seed metering sleeve pipe (2) lower part, just keep away from support standpipe (1) one end is equipped with seed metering mouth (22); the starting end of the seed taking auger (5) is flush with the edge of the inoculation port (21) of the seed discharging sleeve (2) or slightly retreats inwards, and the ending end of the seed taking auger (5) is arranged in the seed discharging port (22) of the seed discharging sleeve (2).

2. The seed metering device matched with the spiral conveying type seeder as claimed in claim 1, wherein the seed taking auger (5) is a double-spiral auger.

3. The seed metering device matched with the spiral conveying type seeder according to claim 1, wherein two ends of the seed metering sleeve (2) respectively penetrate through the supporting vertical pipes (1), the inoculation port (21) is formed in the middle of the seed metering sleeve (2), the seed metering ports (22) are respectively formed in two sides of the inoculation port (21), and the seed taking augers (5) are respectively arranged in the seed metering sleeve (2) on two sides of the inoculation port (21).

4. The seed metering device matched with the spiral conveying type seeder according to claim 1, wherein a pushing auger (4) is further fixed on the periphery of the seed metering rotating shaft (3), the pushing auger (4) is arranged in the inoculation port (21), and the ending end of the pushing auger (4) is separated from the starting end of the seed taking auger (5).

5. A seed metering device matched with a spiral conveying type seeder according to claim 3, wherein a propelling auger (4) is further fixed on the periphery of the seed metering rotating shaft (3), the propelling auger (4) comprises a left-hand propelling auger (4) and a right-hand propelling auger (4), the connecting points of the left-hand propelling auger (4) and the right-hand propelling auger (4) are aligned with the middle point of the inoculation port (21), and the ending ends of the left-hand propelling auger (4) and the right-hand propelling auger (4) are respectively separated from the starting end of the seed taking auger (5).

6. The seed metering device matched with the spiral conveying type seeder according to claim 1, wherein a bearing (9) is arranged at the end part of the seed metering sleeve (2), and the seed metering rotating shaft (3) is connected with the seed metering sleeve (2) through the bearing (9).

7. The seed metering device matched with the spiral conveying type seeder according to claim 1, wherein a seed discharging opening (11) and a detachable seed discharging cover (12) are arranged on one side of the supporting vertical pipe (1), and the seed discharging opening (11) is arranged below the seed metering sleeve (2).

8. The seed metering device matched with the spiral conveying type seeder according to claim 1, wherein a baffle plate (13) is arranged in the supporting vertical pipe (1), the baffle plate (13) is obliquely arranged, the upper end of the baffle plate (13) is arranged below the seed metering sleeve (2), and the lower end of the baffle plate (13) is flush with the lower edge of the seed discharging port (11).

9. The seed metering device matched with the spiral conveying type seeder according to claim 1, further comprising a standpipe fixing seat (7) and a rack cross beam (10), wherein the standpipe fixing seat (7) is fixed on the rack cross beam (10) at intervals, the standpipe fixing seat (7) is sleeved with the lower part of the support standpipe (1), one side of the lower part of the support standpipe (1) is further provided with a screw hole, and a jackscrew penetrates through the screw hole to detachably fix the support standpipe (1) and the standpipe fixing seat (7).

10. The seed metering device matched with the spiral conveying type seeder according to claim 1, further comprising a seed box (8), wherein a seed outlet (81) of the seed box (8) is connected with the supporting vertical pipe (1).

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