Seed sowing roller and sowing machine

Abstract

The utility model discloses a seed sowing roller and a sowing machine, and belongs to the technical field of agricultural instruments. The roller comprises a roller body, a roller shaft is arranged in the middle of the roller body, and the roller shaft is arranged in the axial direction of the roller body. The roll shafts are arranged in a segmented mode and at least comprise the first roll shaft and the second roll shaft, and the first roll shaft and the second roll shaft are detachably connected; at least one end of the first roller shaft extends out of the end of the roller body, and at least one end of the second roller shaft extends out of the end of the roller body. The roller shaft is axially arranged on the roller body, the roller shaft is arranged in sections, the sections of the roller shaft are detachably connected, and when the seeding roller is installed, one section of the roller shaft is installed on the rack, and the other roller shafts are connected together and installed on the seeding roller at the same time. When the seeding roller needs to be replaced, the seeding roller can be taken out only by detaching the roller shaft installed on the rack from the other roller shafts, and after the seeding roller is replaced, the seeding roller and the other roller shafts are connected with the roller shaft arranged on the rack.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically to a seed sowing roller and a seeder. Background Technology

[0002] Rice, as my country's largest grain crop, is widely cultivated throughout the country. More than 65% of the population relies on rice as their staple food, demonstrating its crucial role in my country's grain production. With increasing demand for rice, automated seedling raising equipment is now widely used for rice cultivation.

[0003] With the continuous development of sowing technology, the quality of sowing technology reflects the overall technical level of a country's agricultural mechanization, and the seeder is the core component for realizing agricultural mechanization. In existing seeders, the sowing rollers are directly installed on the machine during the production process. Once the sowing rollers need to be replaced, the entire machine must be disassembled to replace them, which is cumbersome and time-consuming. Utility Model Content

[0004] 1. Technical problem to be solved by the utility model

[0005] To address the technical problems mentioned in the background section, this utility model provides a seed sowing roller and a seeder that can quickly replace the sowing roller.

[0006] 2. Technical Solution

[0007] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0008] This utility model provides a seed sowing roller, including a roller body, a roller shaft disposed in the middle of the roller body, the roller shaft being disposed along the axial direction of the roller body; the roller shaft being disposed in segments, including at least a first roller shaft and a second roller shaft, the first roller shaft and the second roller shaft being detachably connected; the connection point between the first roller shaft and the second roller shaft is a connection point, the connection point being located inside or outside the roller body.

[0009] As a further improvement of this utility model, the second roller shaft includes a mounting shaft, one end of which is mounted on the frame and the other end is provided with a plug end, the end of which is connected to the first roller shaft.

[0010] As a further improvement of this utility model, the diameter of the plug end is larger than the diameter of the mounting shaft.

[0011] As a further improvement of this utility model, the first roller shaft includes a shaft body, a first end and a second end, the first end and the second end are respectively disposed at both ends of the shaft body; the second end is connected to the plug end of the second roller shaft; a stepped surface is provided at the connection between the second end and the shaft body, and when the second end is connected to the plug end, the end face of the plug end contacts the stepped surface.

[0012] As a further improvement of this utility model, threaded structures are respectively provided on the plug end and the second end, and the plug end and the second end are detachably connected through the threaded structures.

[0013] As a further improvement of this utility model, a slot is provided at the end of the plug, and the second end is inserted into the slot on the second roller.

[0014] As a further improvement of this utility model, the slot has a polygonal cross-section, and the shape of the second end cross-section is the same as the shape of the slot cross-section.

[0015] As a further improvement of this utility model, the first end and the second end of the roller shaft extend from both ends of the roller body, respectively.

[0016] As a further improvement of this utility model, a first slot is provided on the first end of the roller shaft, and the roller shaft is connected to the drive motor through the first slot.

[0017] This utility model also provides a seeder, including the above-mentioned seeding roller, which is rotatably mounted on the seeder via a roller shaft.

[0018] 3. Beneficial effects

[0019] Compared with existing known technologies, the technical solution provided by this utility model has the following significant advantages:

[0020] (1) The present invention provides a seed sowing roller, wherein a roller shaft is arranged axially on the roller body. The roller shaft is segmented and the segments are detachably connected. When the sowing roller is installed, one segment of the roller shaft is installed on the frame, and the remaining roller shafts are connected together and installed on the sowing roller. When the sowing roller needs to be replaced, it is only necessary to separate the roller shaft installed on the frame from the remaining roller shafts to remove the sowing roller. After replacing the sowing roller, the sowing roller together with the remaining roller shafts can be connected to the roller shaft set on the frame.

[0021] (2) The present invention provides a seed sowing roller with a plug end on the second roller shaft and a second end on the first roller shaft. The first roller shaft and the second roller shaft are connected by a direct insertion or threaded connection between the second end and the plug end. The connection method is simple, and the two roller shafts are easy and quick to disassemble and assemble. The sowing roller can be replaced quickly without delaying the sowing process.

[0022] (3) The seed sowing roller provided by this utility model has a plug end diameter of the second roller shaft that is larger than the diameter of the mounting shaft. This arrangement facilitates the installation of the first roller shaft and reduces the diameter of the mounting shaft as the drive shaft, making installation convenient.

[0023] (4) The seed sowing roller provided by this utility model has a polygonal slot on the plug end when the second end and the plug end are directly connected, and the second end is set as a column of the same shape, which allows the two to be easily connected while preventing relative rotation between them during rotation. When the second end and the plug end are connected by threads, the direction of thread tightening is opposite to the direction of roller shaft rotation. In this way, when the sowing roller rotates, the first roller shaft and the second roller shaft will be tightened more as they rotate, preventing them from separating.

[0024] (5) The seeder provided by this utility model adopts a seed sowing roller with a detachable roller shaft, which makes it easier to replace the sowing roller and is convenient to use. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the sowing roller in this utility model;

[0026] Figure 2 This is a schematic diagram of the disassembled structure of the seeding roller in this utility model;

[0027] Figure 3 This is a schematic diagram of the roller body in this utility model;

[0028] Figure 4 This is a schematic diagram of the quick-change plug in this utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the roller shaft in this utility model.

[0030] Explanation of the labels in the diagram:

[0031] 1. Roller body; 11. Seeding roller surface; 12. Square seed trough; 13. Partition plate; 2. First roller shaft; 21. Shaft body; 22. First end; 23. Engaging surface; 24. First slot; 25. Second end; 3. Second roller shaft; 31. Mounting shaft; 32. Second slot; 33. Plug end; 34. Slot. Detailed Implementation

[0032] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the connection within two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0038] Example

[0039] Combination Figures 1-5 This embodiment provides a seeder including a seed-planting roller, which is used to sow seeds from the hopper into a seedling tray on the seeder. Since the seed-planting roller in a seeder frequently needs maintenance or replacement, existing seeders typically mount the seed-planting roller directly to the frame via roller shafts. When the seed-planting roller needs to be removed, the roller shafts at both ends of the roller must be removed separately, requiring the entire seeder to be disassembled, which is cumbersome. Therefore, this embodiment addresses this issue by axially configuring roller shafts on the roller body 1. These roller shafts are segmented and detachably connected. During installation, one segment of the roller shaft is mounted on the frame, while the remaining roller shafts are connected together and mounted on the seed-planting roller. When the seed-planting roller needs to be replaced, simply detach the roller shaft mounted on the frame from the remaining roller shafts to remove the seed-planting roller. After replacement, the seed-planting roller, along with the remaining roller shafts, can be reconnected to the roller shaft mounted on the frame.

[0040] Specifically, in combination Figure 3This embodiment of a seeder includes a seeding roller mounted on the seeder frame. The seeding roller is connected to a seed hopper on the frame via a material discharge channel. During sowing, seeds are first placed in the hopper and then fall onto the seeding roller through the material discharge channel. Different seed grooves are provided on the seeding roller depending on the sowing type: for example, in precision sowing, strip-shaped seed grooves are formed along the circumference of the seeding roller, or each strip-shaped seed groove is divided into multiple square seed grooves 12 using partitions 13. In broadcast sowing, strip-shaped seed grooves are formed along the axial direction of the seeding roller. After the seeds fall from the hopper into the seed grooves on the seeding roller, as the seeding roller rotates, the seeds are transferred from the material discharge channel to the lower part of the seeding roller. At this time, a seedling tray passes under the seeding roller, and the seeds fall into the seedling tray under gravity, completing the sowing process. (See attached figures for this embodiment.) Figures 1-3 The precision seeding roller used in precision seeding is shown, with multiple square seed grooves 12 set on its surface.

[0041] Combination Figure 1 and Figure 2 The sowing roller of this embodiment includes a roller body 1. In this embodiment, the roller body 1 is a cylinder with a hollow interior. The sowing roller surface 11 is actually formed by wrapping around the cylinder and fixing two end faces at the two ends of the opening using screws or other methods. A roller shaft is provided in the middle of the roller body 1, and the roller shaft is arranged axially along the roller body 1. In this embodiment, the roller shaft is arranged along the central axis of the roller body 1 and passes through both ends of the roller body 1. The roller shaft and the roller body 1 are connected together; when the roller shaft is driven to rotate, the roller body 1 is also driven to rotate simultaneously. In this embodiment, both ends of the roller shaft are mounted on the frame of the seeder via bearings. At least one end of the roller shaft is connected to a drive motor. The drive motor drives the roller body 1 to rotate through the roller shaft, transferring seeds from the hopper to the seedling tray for sowing. To enable quick replacement of the sowing roller, the roller shaft in this embodiment is segmented, including at least a first roller shaft 2 and a second roller shaft 3. The first roller shaft 2 and the second roller shaft 3 are detachably connected, and the connection point between the first roller shaft 2 and the second roller shaft 3 is a connection point located inside or outside the roller body 1. In this embodiment, the roller shaft is divided into at least two sections, with one section mounted on the frame and rotating only on the frame without being removed. In this embodiment, both ends of the connected roller shaft are located outside the roller body 1 and are mounted on the frame. The difference is that when replacing the seeding roller, one end is removed from the frame, while the other end remains attached. At least one end of the first roller shaft 2 is located outside the roller body 1, and the other end can be located inside or outside the roller body 1. When the other end of the first roller shaft 2 is located inside the roller body 1, the second roller shaft 3 also needs to extend into the roller body 1 and connect to the first roller shaft 2. When the other end of the first roller shaft 2 is located outside the roller body 1, the second roller shaft 3 only needs to connect to the other end of the first roller shaft 2 outside the roller body 1.

[0042] Combination Figure 4In this embodiment, the second roller shaft 3 includes a mounting shaft 31 and a plug end 33. The end of the mounting shaft 31 is connected to the plug end 33, which is used to connect to the first roller shaft 2. The mounting shaft 31 is mounted on the frame. In this embodiment, the diameter of the plug end 33 of the second roller shaft 3 is larger than the diameter of the mounting shaft 31. This arrangement facilitates the installation of the first roller shaft 2 and reduces the diameter of the mounting shaft 31 as a drive shaft, making installation easier. In this embodiment, a second slot 32 is also provided on the mounting shaft 31 for connecting transmission structures such as gears or rollers, and for connecting motors or other structures that need to rotate synchronously.

[0043] Combination Figure 5 In this embodiment, the first roller shaft 2 includes a shaft body 21, a first end 22, and a second end 25, which are respectively disposed at both ends of the shaft body 21; the second end 25 is connected to the plug end 33 of the second roller shaft 3. In this embodiment, the first end 22 is detachably mounted on the frame, and a locking surface 23 is provided at the first end 22 for connecting transmission structures such as gears or rollers, and for connecting other structures that need to rotate synchronously. At the same time, a first slot 24 is provided on the first end 22 for connecting to the drive motor.

[0044] In this embodiment, to facilitate the disassembly and assembly of the first roller shaft 2 and the second roller shaft 3, a detachable connection is used, specifically, the second end 25 is detachably connected to the plug end 33. There are various detachable connection methods, but since the seeding roller is located inside the seeder, using bolts or clips would require disassembling the seeder to separate the first roller shaft 2 and the second roller shaft 3. Therefore, to allow the seeding roller to be removed without disassembling the entire seeder, only by removing a side plate on one side of the seeder, this embodiment employs two methods to connect the second end 25 to the plug end 33. One method involves providing threaded structures on both the plug end 33 and the second end 25, allowing for a detachable connection. When the second end 25 and the plug end 33 are connected by threads, the direction of thread tightening is opposite to the direction of roller shaft rotation. Thus, when the seeding roller rotates, the first roller shaft 2 and the second roller shaft 3 tighten further, preventing separation. To disassemble, the second roller shaft 3 is fixed, and the first roller shaft 2 is unscrewed. Secondly, a slot 34 is formed at the end of the plug end 33, and the second end 25 is inserted into the slot 34 on the second roller shaft 3; wherein the slot 34 has a polygonal cross-section, and the cross-sectional shape of the second end 25 is the same as that of the slot 34. This allows for easy connection between the two while preventing relative rotation between them during rotation. In this embodiment, a stepped surface is provided at the connection between the second end 25 and the shaft 21, so that when the second end 25 is connected to the plug end 33, the end face of the plug end 33 contacts the stepped surface.

[0045] The seeder of this embodiment adopts a seed-planting roller with a detachable roller shaft, which makes it easier to replace the seed-planting roller and is convenient to use.

[0046] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A seed sowing roller, comprising a roller body (1), characterized in that, A roller shaft is provided in the middle of the roller body (1), and the roller shaft is arranged along the axial direction of the roller body (1); the roller shaft is segmented, including at least a first roller shaft (2) and a second roller shaft (3), and the first roller shaft (2) and the second roller shaft (3) are detachably connected; the connection point of the first roller shaft (2) and the second roller shaft (3) is a connection point, and the connection point is located inside or outside the roller body (1).

2. The seed sowing roller according to claim 1, characterized in that, The second roller shaft (3) includes a mounting shaft (31), one end of which is mounted on the frame and the other end is provided with a plug end (33), the end of which is connected to the first roller shaft (2).

3. A seed sowing roller according to claim 2, characterized in that, The diameter of the plug end (33) is larger than the diameter of the mounting shaft (31).

4. A seed sowing roller according to claim 2, characterized in that, The first roller shaft (2) includes a shaft body (21), a first end (22) and a second end (25), the first end (22) and the second end (25) are respectively disposed at both ends of the shaft body (21); the second end (25) is connected to the plug end (33) of the second roller shaft (3); a stepped surface is provided at the connection between the second end (25) and the shaft body (21), and when the second end (25) is connected to the plug end (33), the end face of the plug end (33) contacts the stepped surface.

5. A seed sowing roller according to claim 4, characterized in that, The plug end (33) and the second end (25) are respectively provided with threaded structures, and the plug end (33) and the second end (25) are detachably connected by the threaded structures.

6. A seed sowing roller according to claim 4, characterized in that, The plug end (33) has a slot (34) at one end, and the second end (25) is inserted into the slot (34) on the second roller (3).

7. A seed sowing roller according to claim 6, characterized in that, The slot (34) has a polygonal cross-section, and the cross-sectional shape of the second end (25) is the same as that of the slot (34).

8. A seed sowing roller according to claim 4, characterized in that, The first end (22) and the second end (25) of the roller shaft (2) extend from both ends of the roller body (1), respectively.

9. A seed sowing roller according to claim 4, characterized in that, A first slot (24) is provided on the first end (22) of the roller (2), and the roller (2) is connected to the drive motor through the first slot (24).

10. A seeder, characterized in that, Includes the seeding roller (100) as described in any one of claims 1-9, wherein the seeding roller (100) is rotatably mounted on the seeder via a roller shaft.

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