Seed leakage mechanism

Abstract

The utility model discloses a seed leakage mechanism and relates to the technical field of agricultural robots. The device comprises a seed box, the upper end of the seed box is provided with a feed port, and the lower end of the seed box is provided with a discharge port; a through hole is formed in two side surfaces of the lower end part of the seed box in a penetrating manner; a seed leaking roller is rotationally matched in the through hole; a plurality of circles of seed clamping holes are formed in the circumferential side of the seed leaking roller in the axial direction of the seed leaking roller, the seed clamping holes are formed in the radial direction of the seed leaking roller, the hole diameters of the seed clamping holes in all the circles are different, and the seed leaking roller can slide in the axial direction of the through hole so as to switch the seed clamping holes in different circles to be located in the seed box. The seed leaking roller is rotatably arranged at the lower end of the seed box, a plurality of circles of seed clamping holes are formed in the peripheral side of the seed leaking roller in the axial direction of the seed leaking roller, seeds are clamped into the seed clamping holes one by one, the continuity of seed supply is guaranteed, the hole diameters of the seed clamping holes in each circle are different, the seed clamping holes in different circles are switched to be located in the seed box, and the seed supply efficiency is improved. The uniform seeding requirements of seeds with different diameters can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural robots, in particular to a seed leakage mechanism. Background Art

[0002] When the seeder is operating, seeds are discharged from the seed box into the seed delivery tube according to the required sowing amount, and fall into the opened groove through the furrow opener, and then the seeds are covered and compacted by the soil covering and pressing device.

[0003] At present, most of the existing seeders use sliding baffles or valves to adjust the opening size of the seed box, thereby adjusting the seed leakage rate according to the diameter of the seeds. However, this type of seeding method has poor placement accuracy, and it is easy for multiple seeds to fall into a planting pit at the same time, which not only causes seed waste, but also has poor planting uniformity, affecting the growth of fruits and vegetables. Utility Model Content

[0004] The utility model aims to provide a seed leakage mechanism, which is provided with a seed leakage roller rotatably at the lower end of a seed box, and a plurality of circles of seed clamping holes are opened on the circumferential side of the seed leakage roller along the axial direction of the seed leakage roller. Seeds are clamped into the seed clamping holes one by one, thereby ensuring the continuity of seed supply. The apertures of each circle of seed clamping holes are different, and the seed clamping holes of different circles are switched to be located in the seed box, which can meet the uniform sowing requirements of seeds of different diameters, and solve the problems of poor delivery accuracy of existing sowing mechanisms, easy waste of seeds, and poor planting uniformity.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a seed leakage mechanism, comprising a seed box, wherein the upper end of the seed box is provided with a feed port, and the lower end of the seed box is provided with a discharge port; a through hole is formed through the two side surfaces of the lower end of the seed box, a seed leakage roller is rotatably fitted in the through hole, and the seed leakage roller is connected with a driving component for driving the rotation thereof; a plurality of circles of seed clamping holes are formed on the circumferential side of the seed leakage roller along the axial direction of the seed leakage roller, the seed clamping holes are formed along the radial direction of the seed leakage roller, the apertures of each circle of the seed clamping holes are different, and the seed leakage roller can slide along the axial direction of the through hole to switch different circles of seed clamping holes located in the seed box.

[0007] As a preferred technical solution of the utility model, the driving assembly includes a driving shaft, the seed leakage roller is sleeved on the peripheral side of the driving shaft and slidingly cooperates with the driving shaft, and the seed leakage roller and the driving shaft can be locked by bolts.

[0008] As a preferred technical solution of the utility model, both ends of the seed leakage roller are fixedly connected with couplings, the couplings are sleeved on the circumferential side of the driving shaft and slidingly cooperate with the driving shaft, the circumferential side of the coupling is threadedly connected with bolts, and one end of the bolts abuts against the circumferential side of the driving shaft.

[0009] As a preferred technical solution of the utility model, a plurality of circles of grooves are opened on the circumferential side of the seed leakage roller, and the number of the plurality of circles of grooves corresponds to the number of the plurality of circles of seed holding holes, and each circle of seed holding holes is opened on a circle of grooves and is connected with the grooves; a baffle is fixedly installed on the side wall of the seed box, and one end of the baffle can be extended into the groove and slidably cooperate with the groove.

[0010] As a preferred technical solution of the utility model, one end of the baffle away from the slot extends out of the side wall of the seed box, a waist-shaped hole is opened on the surface of the baffle, a bolt is inserted into the waist-shaped hole, and the baffle and the side wall of the seed box are locked by bolts to adjust the baffle to extend into or out of the slot.

[0011] As a preferred technical solution of the utility model, an arc-shaped notch is formed at one end of the blocking piece close to the notch, and the arc-shaped notch extends into the notch.

[0012] As a preferred technical solution of the utility model, a curved guide is fixedly installed on the inner wall of the seed box, and the lower end of the curved guide abuts against the upper edge of the peripheral side of the seed leakage roller to guide the seed flow falling from the seed box, providing a stable path for the seeds, allowing them to enter the seed holes of the seed leakage roller evenly and continuously, avoiding seed scattering or clogging, and improving sowing efficiency.

[0013] As a preferred technical solution of the utility model, the seed box adopts a transparent structure, which is convenient for observing the seed quantity and the smoothness of sowing.

[0014] As a preferred technical solution of the present utility model, a cover is hinged at the feed inlet of the seed box.

[0015] As a preferred technical solution of the utility model, stirring blades are provided in the seed box, and a stirring drive shaft rotates through both sides of the seed box. The stirring blades are fixedly installed on the peripheral side of the stirring drive shaft to prevent seeds from clumping.

[0016] The utility model has the following beneficial effects:

[0017] The utility model arranges a seed leaking roller rotatably at the lower end of a seed box, and a plurality of circles of seed clamping holes are opened on the circumferential side of the seed leaking roller along the axial direction of the seed leaking roller. Seeds are clamped into the seed clamping holes one by one, thereby ensuring the continuity of seed supply. The apertures of each circle of seed clamping holes are different, and the seed clamping holes of different circles are switched to be located in the seed box, which can be flexibly adjusted according to the sowing requirements of different seed diameters, thereby ensuring the accurate delivery of seeds and reducing seed waste.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of the sowing mechanism of the utility model;

[0021] Figure 2 It is a side view of the sowing mechanism of the utility model;

[0022] Figure 3 A schematic diagram of the structure of the seed leakage roller, the curved surface guide and the baffle assembly;

[0023] Figure 4 It is a structural schematic diagram of the seed leakage roller;

[0024] Figure 5 is a schematic diagram of the structure of the baffle;

[0025] Figure 6 It is a structural schematic diagram of a seeding mechanism in another embodiment of the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1-seed box, 101-feed port, 102-discharge port, 2-cover body, 3-seed leakage roller, 301-slot, 302-seed hole, 4-curved guide, 5-coupling, 6-drive shaft, 7-blocking piece, 701-waist-shaped hole, 702-arc-shaped notch, 8-stirring blade, 9-stirring drive shaft. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that terms such as "end", "upper", "lower", "side", "top", "bottom", "length", "inside", and "surface" indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limitations on the present invention.

[0030] At present, most existing seeders use sliding baffles or valves to adjust the opening size of the seed box, thereby adjusting the seed leakage rate according to the diameter of the seed. However, the placement accuracy of this type of seeding method is poor, and multiple seeds are easily dropped into a planting pit at the same time, which on the one hand causes seed waste; on the other hand, the planting uniformity is poor, affecting the growth of fruits and vegetables. Based on this, this embodiment provides a seed leakage mechanism.

[0031] See also Figure 1-Figure 2 As shown, the sowing mechanism includes a seed box 1, the upper end of the seed box 1 is provided with a feed port 101 for pouring seeds, and a cover 2 is hinged at the feed port 101. The lower end of the seed box 1 is provided with a discharge port 102, which is connected to a seed delivery pipe to drop seeds onto the ground.

[0032] In this embodiment, a through hole is formed on both sides of the lower end of the seed box 1, and a seed leakage roller 3 is rotatably mounted in the through hole, and the seed leakage roller 3 is connected to a driving assembly for driving the rotation thereof. A sealing ring is provided at the connection between the seed leakage roller 3 and the through hole to prevent seeds from leaking out. The peripheral side of the seed leakage roller 3 is tightly attached to the inner wall of the seed box 1 to prevent seeds from falling from the gap between the seed leakage roller 3 and the inner wall of the seed box 1 under the action of gravity.

[0033] Figure 4 This is a schematic diagram of the structure of the seed leakage roller 3. Figure 4 As shown, two circles of seed holes 302 are opened on the circumferential side of the seed-leaking roller 3 along the axial direction of the seed-leaking roller 3. The seed holes 302 are opened along the radial direction of the seed-leaking roller 3. The apertures of each circle of seed holes 302 are different. The seed-leaking roller 3 can slide along the axial direction of the through hole to switch different circles of seed holes 302 located in the seed box 1. When the seed-leaking roller 3 rotates, the seeds fall into the seed holes 302 from the top of the seed-leaking roller 3 in sequence due to the effect of gravity, and only one seed can fall into each seed hole 302. When the seed-leaking roller 3 drives the seeds to rotate downward, the seeds leak out from each seed hole 302 in sequence to achieve uniform and continuous sowing. It is worth noting that more seed holes 302 with different apertures can be opened on the seed-leaking roller 3 according to actual sowing needs.

[0034] In this embodiment, if Figure 1 and Figure 3As shown, in order to realize that the seed leakage roller 3 can slide along the axial direction of the through hole on the seed box 1, the driving assembly provided includes a driving shaft 6, and the seed leakage roller 3 is sleeved on the peripheral side of the driving shaft 6 and slides with the driving shaft 6. The two ends of the seed leakage roller 3 are fixedly connected with a coupling 5, and the coupling 5 is sleeved on the peripheral side of the driving shaft 6 and slides with the driving shaft 6. The peripheral side of the coupling 5 is threadedly connected with a bolt, and the bolt is tightened, and one end of the bolt abuts against the peripheral side of the driving shaft 6, so that the seed leakage roller 3 can be fixed at the set position on the driving shaft 6. Among them, the driving shaft 6 can be driven to rotate by the driving components of the entire seeder, such as being connected to the motor or engine of the seeder, or connected to the walking wheel of the seeder, etc.

[0035] In a preferred implementation of this embodiment, please refer to Figure 3-Figure 5 As shown, in order to prevent the seeds from falling into the seed holes 302 and being difficult to leak out by themselves, the following structure is designed: two circular notches 301 are opened on the circumferential side of the seed leaking roller 3, and the number of notches 301 corresponds to the number of circles of the seed holes 302. Each circle of seed holes 302 is opened on a circle of notches 301 and is connected with the notches 301. Secondly, a baffle 7 is fixedly installed on the side wall of the seed box 1, and one end of the baffle 7 can extend into the notch 301 and slide with the notch 301. In addition, the baffle 7 is located below the seed leaking roller 3. During the rotation of the seed leaking roller 3, the baffle 7 slides along the notch 301 and passes through each seed hole 302 in turn, thereby removing the seeds in the seed hole 302, further ensuring the uniformity of sowing.

[0036] Based on the above design, please refer to Figure 3 and Figure 5 As shown, one end of the baffle 7 away from the slot 301 extends out of the side wall of the seed box 1, and a waist-shaped hole 701 is opened on the surface of the baffle 7. Bolts are inserted into the waist-shaped hole 701, and the baffle 7 and the side wall of the seed box 1 are locked by bolts. When seeds of different diameters need to be sown, first, loosen the bolts fixing the baffle 7 and pull the baffle 7 out of the slot 301. Then, loosen the bolts of the coupling 5 and slide the seed leakage roller 3 along the drive shaft 6. After adjusting to the set position, tighten the bolts of the coupling 5 to fix the seed leakage roller 3. Finally, insert the baffle 7 into the slot 301, and then tighten the fastening bolts of the baffle 7.

[0037] In addition, in this embodiment, if Figure 5 As shown, an arc-shaped notch 702 is formed at one end of the blocking piece 7 close to the notch 301 , and the arc-shaped notch 702 extends into the notch 301 to adapt to the arc-shaped profile of the seed leakage roller 3 .

[0038] In another preferred implementation of this embodiment, please refer to Figure 2 and Figure 3As shown, a curved guide 4 is fixedly installed on the inner wall of the seed box 1, and the lower end of the curved guide 4 abuts against the upper edge of the peripheral side of the seed leakage roller 3. The curved guide 4 can be made of a plastic material with a certain elasticity. The setting of the curved guide 4 has the following functions: First, the curved guide 4 can guide the seed flow falling from the seed box 1, so that it can accurately enter the seed hole 302 of the seed leakage roller 3 to avoid seed scattering or blockage. Second, reduce seed loss: The curved guide 4 ensures that the seeds can be effectively captured in the seed hole 302, reduce the loss of seeds caused by failure to enter the seed hole 302 during the seed leakage process, and improve the sowing efficiency. Third, stabilize the seed supply: The curved guide 4 provides a stable path during the seed flow process, so that the seeds can evenly and continuously enter the seed hole 302 of the seed leakage roller 3, and ensure the smoothness and stability of the sowing process.

[0039] In this embodiment, the seed box 1 is preferably made of a transparent material, such as transparent plastic, so as to observe the progress of sowing and whether the sowing process is continuous.

[0040] In another preferred implementation of this embodiment, please refer to Figure 6 As shown, a stirring blade 8 is provided in the seed box 1, and a stirring drive shaft 9 is rotatably passed through both sides of the seed box 1. The stirring blade 8 is fixedly installed on the circumference of the stirring drive shaft 9, wherein the stirring drive shaft 9 can be transmitted to the drive shaft 6 by means of a chain or gear, thereby driving the stirring blade 8 to rotate, so as to prevent the seeds from clumping or getting stuck in the seed box 1, and ensure the continuity and uniformity of the seeds falling along the seed box 1.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A seed leakage mechanism, comprising a seed box (1), wherein the upper end of the seed box (1) is provided with a feed inlet (101), and the lower end of the seed box (1) is provided with a discharge outlet (102), characterized in that: A through hole is formed through the two side surfaces of the lower end of the seed box (1), a seed leaking roller (3) is rotatably fitted in the through hole, and the seed leaking roller (3) is connected to a driving component for driving the seed leaking roller (3) to rotate; The circumferential side of the seed leaking roller (3) is provided with a plurality of circles of seed holding holes (302) along the axial direction of the seed leaking roller (3); the seed holding holes (302) are provided along the radial direction of the seed leaking roller (3); the hole diameters of the seed holding holes (302) in each circle are different; the seed leaking roller (3) can slide along the axial direction of the through hole to switch between different circles of seed holding holes (302) located in the seed box (1).

2. A seed leakage mechanism according to claim 1, characterized in that: The driving assembly comprises a driving shaft (6), the seed leakage roller (3) is sleeved on the peripheral side of the driving shaft (6) and slidably matched with the driving shaft (6), and the seed leakage roller (3) and the driving shaft (6) can be locked by bolts.

3. A seed leakage mechanism according to claim 2, characterized in that: The two ends of the seed leaking roller (3) are fixedly connected with a coupling (5), the coupling (5) is sleeved on the peripheral side of the driving shaft (6) and slidably cooperates with the driving shaft (6), and the peripheral side of the coupling (5) is threadedly connected with a bolt, one end of the bolt abuts against the peripheral side of the driving shaft (6).

4. A seed leakage mechanism according to claim 3, characterized in that: The seed leaking roller (3) is provided with a plurality of circles of notches (301) on its circumference, the number of the plurality of circles of notches (301) corresponding to the number of circles of seed clamping holes (302), and each circle of seed clamping holes (302) is provided on a circle of notches (301) and is in communication with the notches (301); A baffle (7) is fixedly mounted on the side wall of the seed box (1), and one end of the baffle (7) can extend into the slot (301) and slideably engage with the slot (301).

5. A seed leakage mechanism according to claim 4, characterized in that: One end of the baffle (7) away from the slot (301) extends out of the side wall of the seed box (1); a waist-shaped hole (701) is formed on the surface of the baffle (7); a bolt is inserted into the waist-shaped hole (701); the baffle (7) and the side wall of the seed box (1) are locked by the bolts to adjust the baffle (7) to extend into or out of the slot (301).

6. A seed leakage mechanism according to claim 5, characterized in that: An arc-shaped notch (702) is formed at one end of the blocking piece (7) close to the notch (301), and the arc-shaped notch (702) extends into the notch (301).

7. A seed leakage mechanism according to claim 6, characterized in that: A curved surface guide member (4) is fixedly mounted on the inner wall of the seed box (1), and the lower end of the curved surface guide member (4) abuts against the upper edge of the peripheral side of the seed leakage roller (3).

8. A seed leakage mechanism according to any one of claims 1 to 7, characterized in that: The seed box (1) adopts a transparent structure.

9. A seed leakage mechanism according to claim 8, characterized in that: A cover body (2) is hingedly connected to the feed inlet (101) of the seed box (1).

10. A seed leakage mechanism according to claim 9, characterized in that: The seed box (1) is provided with stirring blades (8), and a stirring drive shaft (9) is rotatably passed through both sides of the seed box (1), and the stirring blades (8) are fixedly mounted on the circumference of the stirring drive shaft (9).

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