Seeding device for rotary tillage

Abstract

The utility model discloses a seeding device for rotary tillage. The seeding device comprises a seeding box mechanism, a rotation control mechanism and a seed flying mechanism, wherein the rotation control mechanism is used for controlling the seeding speed of the seeding box mechanism; the seeding box mechanism comprises a plurality of seeding boxes, and seeding pipes are integrally formed at the bottoms of the seeding boxes; the rotary control mechanism comprises a blocking shaft blocked at the bottom of the seeding pipe, and the blocking shaft comprises an upper curved part with an arc-shaped structure; an arc-shaped opening corresponding to the upper curved part is formed in the bottom of the seeding pipe, and the upper curved part can be blocked in the arc-shaped opening to prevent the seeds from being discharged downwards; the seed flying mechanism comprises a long rotating shaft, the long rotating shaft is sleeved with a swinging sleeve, and the swinging sleeve is fixedly connected to the long rotating shaft through a plurality of spring structures; the blocking shaft and the long rotating shaft are in transmission through a transmission structure. Through the structure, the rotary tillage speed is matched, the seeding speed is controlled, and the seeding bullets are scattered, so that the uniformity degree of seed dispersion is increased.

Description

Technical Field

[0001] This utility model belongs to the field of rotary tillage and seeding technology, and in particular relates to a seeding device for rotary tillage. Background Technology

[0002] A rotary tiller is an agricultural machine used to loosen and turn over soil. Its main structure includes a frame and a rotary tillage harrow structure mounted on the frame. During operation, the rotary tiller works in the field, continuously turning over and breaking up the soil through the rotary tillage blades on the rotary tillage harrow structure.

[0003] To improve agricultural planting efficiency, rotary tillers are often equipped with seeding devices while performing rotary tillage operations. Specifically, the seeding devices disclosed in the existing technology mostly consist of several seed boxes, which are mounted on a support frame, which is mounted on the frame of the rotary tiller. The seed boxes are sown into the field in sync with the operation of the rotary tiller.

[0004] However, in actual operation, it was found that the rotary tiller's forward speed varies depending on the degree of soil hardening. For example, in highly hardened soil, the rotary tiller operates at a slower speed to ensure thorough soil breaking up. Conversely, in dry soil with a loose structure, the rotary tiller moves faster because it is easier to till and break up the soil.

[0005] However, the seeding mechanism installed on the rotary tiller cannot adjust the seeding speed according to the speed of the rotary tiller's operation, resulting in excessive seeding density when the rotary tiller is operating at a slow speed. At the same time, the excessive seeding density during rotary tillage leads to excessive planting density of subsequent crops, resulting in excessive "biological competition" between crops and thus significantly affecting the seed yield of subsequent crops. Utility Model Content

[0006] Based on the above background, the purpose of this utility model is to provide a rotary tillage seeding device.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A rotary tillage seeding device includes a seed box mechanism, a rotation control mechanism for controlling the seeding speed of the seed box mechanism, and a seed-scattering mechanism for scattering the seeds.

[0009] The seeding box mechanism includes several seeding boxes, and the bottom of each seeding box is integrally formed with a seeding tube;

[0010] The rotation control mechanism includes a blocking shaft that is blocked at the bottom of the seed tube, and the blocking shaft includes an upper curved part with an arc structure.

[0011] The bottom of the seed-dropping tube has an arc-shaped opening corresponding to the upper curved part, and the upper curved part can block the arc-shaped opening to prevent the seeds from being discharged.

[0012] The flying seed mechanism includes a long rotating shaft, on which a swing sleeve is sleeved, and the swing sleeve is fixedly connected to the long rotating shaft by a number of spring structures.

[0013] The blocking shaft and the long rotating shaft are connected by a transmission structure.

[0014] Preferably, a seed box frame is fixedly connected to the seed box mechanism. The seed box frame includes a support base for fixing a plurality of seed boxes. A pair of spaced-apart mounting arms are fixedly connected to the top of the support base. The mounting arms are mounted on the frame of the rotary tiller.

[0015] Preferably, the blocking shaft further includes a lower curved part integrally formed at the bottom of the arc-shaped part. When the blocking shaft is flipped so that the lower curved part faces upward and aligns with the arc-shaped opening, the lower curved part and the arc-shaped opening are spaced apart, and the seed is discharged from between the arc-shaped opening and the lower curved part.

[0016] Preferably, the front and rear ends of the blocking shaft and the long rotating shaft are respectively rotatably connected to the frame;

[0017] The front and rear ends of the blocking shaft are respectively fixedly connected to rotating shafts, which are rotatably connected to the frame.

[0018] Preferably, the transmission structure includes pulleys fixedly connected to one end and one side of the rotating shaft, respectively;

[0019] The pulleys are connected by a drive belt.

[0020] The transmission structure also includes a drive motor, the output shaft of which is mounted on a pulley at the upper end.

[0021] Preferably, a motor mounting bracket is fixedly connected to the top of the frame, and the motor mounting bracket and the bracket base are fixedly connected by a connecting shaft.

[0022] Preferably, the spring structure includes a plurality of circumferentially distributed springs, the two ends of which are fixedly connected to the rocker sleeve and the long rotating shaft, respectively.

[0023] Preferably, a plurality of seed plates are fixedly installed on the outer side wall of the swing sleeve; the seed plates are made of elastic plastic.

[0024] The cross-sectional shape of the seed plate is rectangular.

[0025] Preferably, a pair of mounting seats spaced apart front to back are fixedly connected to the outer wall of the swing sleeve, and the seed plate is detachably mounted on the mounting seats by bolts.

[0026] This utility model has the following beneficial effects:

[0027] 1. During operation, when seeds are placed into each seeding box, the arc-shaped opening of the seed tube is completely blocked by the upper curved part of the blocking shaft, preventing seed dispensing. As the blocking shaft slowly rotates, the upper curved part gradually flips over, switching to the lower curved part facing upwards and aligning with the arc-shaped opening. At this point, the seeds are discharged into the soil through the gap between the arc-shaped opening and the lower curved part, thus controlling the sowing process. In actual operation, when the rotary tiller is working in hard soil, the forward speed of the rotary tiller is slow. By controlling the speed of the drive motor, the rotation speed of the blocking shaft is adjusted. This results in a slower forward speed for the rotary tiller, a slower rotation speed for the blocking shaft, and consequently, a slower switching speed between the upper and lower curved parts, leading to a slower seed dispensing speed.

[0028] 2. During the operation, driven by the transmission motor, the blocking shaft continuously switches between the upper and lower curved sections to block and release the arc-shaped opening. As the seeds fall, they land on the swing sleeve. Because the swing sleeve is fixedly connected to the long rotating shaft by several springs, during the rotation, the swing sleeve rotates relative to the long rotating shaft and swings continuously under the action of the springs. The falling seeds land on the elastically swinging swing sleeve, and under the elastic impact of the swing sleeve, the seeds are scattered. This method increases the seed dispersal range to avoid the defect of excessive seed density.

[0029] 3. The seed plate increases the contact area of ​​falling seeds, allowing them to impact the seed plate. Since the seed plate is installed on a swing sleeve, which rotates and swings, the seeds are further dispersed outwards by the rotating and swinging seed plate. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the overall structure in an embodiment of the present utility model;

[0032] Figure 2 This is a schematic diagram of the structure of the transmission motor and pulley in the embodiment of this utility model;

[0033] Figure 3 This is a schematic diagram of the rotation control mechanism and the flying seed mechanism in the embodiments of this utility model;

[0034] Figure 4 This is one of the structural schematic diagrams of the flying seed mechanism in the embodiments of this utility model;

[0035] Figure 5 This is the second structural schematic diagram of the flying seed mechanism in the embodiments of this utility model;

[0036] Figure 6 This is a schematic diagram of the structure in an embodiment of the present invention, showing the blocking shaft rotating to the point where the lower curved part faces upward.

[0037] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0040] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0041] Example 1

[0042] like Figure 1-6 As shown, a rotary tillage seeding device includes a seed box mechanism 1, a rotation control mechanism for controlling the seeding speed of the seed box mechanism 1, and a seed-scattering mechanism 6 for scattering the seeds.

[0043] During operation, the sowing mechanism 1 sows the seeds, and the sowing speed is synchronously controlled by the rotation control mechanism according to the forward speed of the rotary tiller to reduce the sowing density. At the same time, the seed-flying mechanism 6 appropriately ejects the sown seeds to further reduce the sowing density. This method is particularly effective for small-grained seeds, such as sesame, mung bean, and celery seeds, as it not only significantly reduces the sowing density but also achieves high sowing efficiency while simultaneously rotary tilling and sowing.

[0044] Specifically, the seeding box mechanism 1 includes a plurality of seeding boxes 11, the bottom of which is integrally formed with a seeding tube 12; the rotation control mechanism includes a blocking shaft 5 located at the bottom of the seeding tube 12, the blocking shaft 5 including an upper curved portion 51 with an arc-shaped structure. Simultaneously, the blocking shaft 5 also includes a lower curved portion 52 integrally formed at the bottom of the arc-shaped portion, the curvature of the lower curved portion 52 being smaller than that of the upper curved portion 51.

[0045] Meanwhile, the bottom of the seeding tube 12 has an arc-shaped opening 121 corresponding to the upper curved part 51. The upper curved part 51 can block the arc-shaped opening 121 to prevent the seeds from falling. Therefore, when the blocking shaft 5 is flipped so that the lower curved part 52 faces upward and is aligned with the arc-shaped opening 121, the lower curved part 52 and the arc-shaped opening 121 are spaced apart, and the seeds fall between the arc-shaped opening 121 and the lower curved part 52.

[0046] During operation, when seeds are placed into each seeding box 11, the arc-shaped opening 121 of the seeding tube 12 is completely blocked by the upper curved part 51 of the blocking shaft 5, preventing seed dispensing. As the blocking shaft 5 slowly rotates, the upper curved part 51 gradually flips and switches to face upwards, aligning with the lower curved part 52. At this point, the seeds are discharged into the soil through the gap between the arc-shaped opening 121 and the lower curved part 52, thus controlling the sowing process. In actual operation, when the rotary tiller is working in hard soil, the forward speed of the rotary tiller is slow. By controlling the speed of the motor, the rotation speed of the blocking shaft 5 is adjusted. This results in a slower forward speed of the rotary tiller, a slower rotation speed of the blocking shaft 5, and consequently, a slower switching speed between the upper curved part 51 and the lower curved part 52, leading to a slower seed dispensing speed.

[0047] The aforementioned seed box mechanism 1 is fixedly connected to a seed box frame. The seed box frame includes a support base 21 for fixing several seed boxes 11 (the support base 21 has an installation opening for installing the seed boxes 11, and the seed boxes 11 are fixedly installed in the installation opening). In the existing method, a pair of spaced-apart mounting arms 22 are fixedly connected to the top of the support base 21, similar to the seed installation structure on existing rotary tillers. The mounting arms 22 are mounted on the rotary tiller frame. Mounting seats are welded to the ends of the mounting arms 22, and the mounting seats are fixedly mounted to the rotary tiller frame by bolts or other means.

[0048] Example 2

[0049] like Figure 1-6 As shown, this embodiment, based on the structure of embodiment 1, aims to increase sowing efficiency and reduce sowing density by launching the seeds during sowing. The aforementioned seed-launching mechanism 6 includes a long rotating shaft 62, on which a swing sleeve 61 is sleeved. The swing sleeve 61 is fixedly connected to the long rotating shaft 62 by several spring structures.

[0050] Specifically, the spring structure includes several circumferentially distributed springs 63, with both ends of the springs 63 fixedly connected to the rocker sleeve 61 and the long rotating shaft 62, respectively.

[0051] Meanwhile, the blocking shaft 5 and the long rotating shaft 62 are connected by a transmission structure. Specifically, the front and rear ends of the blocking shaft 5 and the long rotating shaft 62 are rotatably connected to the frame 3; the front and rear ends of the blocking shaft 5 are respectively fixedly connected to a rotating shaft (specifically, the front and rear ends of the blocking shaft 5 are respectively fixedly connected to end seats 511, and the rotating shaft is fixed on the end seats 511), and the rotating shaft is rotatably connected to the frame 3. According to the existing method, bearings are installed on the frame 3, and the long rotating shaft 62 and the rotating shaft are rotatably connected to the bearings.

[0052] The aforementioned transmission structure 4 includes pulleys fixedly connected to the rear end of the rotating shaft and the rear end of the long rotating shaft 62, respectively; the pulleys are connected by a transmission belt (specifically, an upper pulley 42 is mounted on the rotating shaft, and a lower pulley 43 is fixedly mounted on the rear end of the long rotating shaft). The transmission structure also includes a transmission motor 41, and according to existing methods, the output shaft of the transmission motor 41 is mounted on the upper pulley 42 at the upper end.

[0053] A motor mounting bracket 411 is fixedly connected to the top of the frame 3, and the motor mounting bracket 411 is fixedly connected to the bracket base 21 through a connecting shaft.

[0054] During operation, driven by the drive motor 41, the blocking shaft 5 continuously switches between the upper curved part 51 and the lower curved part 52 to block and release the arc-shaped opening 121. As the seeds fall, they land on the swing sleeve 61. Since the swing sleeve 61 is fixedly connected to the long rotating shaft 62 by several springs 63, during rotation, the swing sleeve 61 rotates relative to the long rotating shaft 62 and swings continuously under the action of the springs 63. The falling seeds land on the elastically swinging swing sleeve 61, and under the elastic impact of the swing sleeve 61, the seeds are scattered. This method increases the seed dispersal range to avoid the defect of excessive seed dispersal density.

[0055] Example 3

[0056] like Figure 1-6As shown, in this embodiment, based on the structure of embodiment 2, a plurality of spring plates 64 are fixedly installed on the outer side wall of the aforementioned swing sleeve 61; the spring plates 64 are made of elastic plastic material.

[0057] Specifically, the seed plate 64 has a rectangular cross-sectional shape. A pair of mounting seats 611, spaced apart front to back, are fixedly connected to the outer wall of the swing sleeve 61, and the seed plate 64 is detachably mounted on the mounting seats 611 by bolts.

[0058] The seed plate 64 increases the contact area of ​​the falling seeds, allowing the seeds to impact the seed plate 64. Since the seed plate 64 is installed on the swing sleeve 61, which rotates and swings, the seeds are further dispersed outward under the action of the rotating and swinging seed plate 64.

[0059] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. A rotary tillage seeding device, characterized in that, It includes a seed box mechanism, a rotary control mechanism for controlling the seeding speed of the seed box mechanism, and a seed-scattering mechanism for scattering the seeds. The seeding box mechanism includes several seeding boxes, and the bottom of each seeding box is integrally formed with a seeding tube; The rotation control mechanism includes a blocking shaft that is blocked at the bottom of the seed tube, and the blocking shaft includes an upper curved part with an arc structure. The bottom of the seed tube has an arc-shaped opening corresponding to the upper curved part, and the upper curved part can block the arc-shaped opening to prevent the seeds from being discharged. The flying seed mechanism includes a long rotating shaft, on which a swing sleeve is sleeved, and the swing sleeve is fixedly connected to the long rotating shaft by a number of spring structures; The blocking shaft and the long rotating shaft are connected by a transmission structure.

2. The rotary tillage seeding device according to claim 1, characterized in that, A seed box frame is fixedly connected to the seed box mechanism. The seed box frame includes a support base for fixing several seed boxes. A pair of spaced-apart mounting arms are fixedly connected to the top of the support base. The mounting arms are mounted on the frame of the rotary tiller.

3. The rotary tillage seeding device according to claim 1, characterized in that, The blocking shaft also includes a lower curved part integrally formed at the bottom of the arc-shaped part. When the blocking shaft is flipped so that the lower curved part faces upward and is aligned with the arc-shaped opening, the lower curved part and the arc-shaped opening are spaced apart, and the seed is discharged from between the arc-shaped opening and the lower curved part.

4. The rotary tillage seeding device according to claim 2, characterized in that, The front and rear ends of the blocking shaft and the long rotating shaft are respectively rotatably connected to the frame; The front and rear ends of the plug shaft are respectively fixedly connected to rotating shafts, which are rotatably connected to the frame.

5. The rotary tillage seeding device according to claim 4, characterized in that, The transmission structure includes pulleys that are respectively fixedly connected to one end and one side of the rotating shaft; The pulleys are connected by a drive belt. The transmission structure also includes a drive motor, the output shaft of which is mounted on a pulley at the upper end.

6. The rotary tillage seeding device according to claim 5, characterized in that, A motor mounting bracket is fixedly connected to the top of the frame, and the motor mounting bracket and the bracket base are fixedly connected by a connecting shaft.

7. The rotary tillage seeding device according to claim 1, characterized in that, The spring structure includes several circumferentially distributed springs, with both ends of the springs fixedly connected to the swing sleeve and the long rotating shaft, respectively.

8. The rotary tillage seeding device according to claim 7, characterized in that, Several seed plates are fixedly installed on the outer wall of the swing sleeve; the seed plates are made of elastic plastic. The cross-sectional shape of the seed plate is rectangular.

9. The rotary tillage seeding device according to claim 8, characterized in that, A pair of mounting seats spaced apart front to back are fixedly connected to the outer wall of the swing sleeve, and the seed plate is detachably mounted on the mounting seats by bolts.

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