A seedling raising machine sowing device

Abstract

This application relates to the field of sowing device technology, and in particular to a seedling raising machine sowing device, including a sowing box body, with a hopper fixedly installed on the upper part of the sowing box body; a sowing component is installed inside the sowing box body, the sowing component including a sowing roller and a roller shaft, the roller shaft being rotatably connected to the sowing box body and fixedly connected to the sowing roller, the outer surface of the sowing roller being evenly provided with several arc grooves, the inside of the sowing roller being hollow, and a drive motor being fixedly installed on one side of the sowing component inside the sowing box body, the drive motor being used to drive the rotation of the sowing component; by opening arc grooves on the sowing roller, the collision and friction of seeds during the movement of the sowing roller are effectively reduced, the seed damage rate is reduced, and the uniformity of sowing is improved.

Description

Technical Field

[0001] This application relates to the field of seeding device technology, and in particular to a seeding device for a seedling raising machine. Background Technology

[0002] A seedling raising machine is an automated device that integrates functions such as tray placement, soil spreading, watering, sowing, soil covering, and tray stacking. It can efficiently and evenly complete the seedling raising process and is suitable for the seedling raising needs of crops such as rice. Seedling raising machines not only improve seedling raising efficiency and quality but also promote the mechanization of the entire rice production process, providing important guarantees for agricultural modernization and food security, while significantly reducing labor costs and labor intensity. Sowing is undoubtedly the core step in the seedling raising process, and the sowing device is the core structure of the seedling raising machine.

[0003] Chinese invention patent application number 202310411332.8—a seeding device for easy installation and replacement of rollers—includes a seeding box, in which a roller is installed. The roller is fixed to the middle of a support shaft. The front end of the support shaft is fitted onto a first bearing, which is fixed onto a first bearing seat. The first bearing seat is fixed to the front side wall of the seeding box. The stepped surface of the front end of the support shaft presses against the inner ring end face of the first bearing. The rear end of the support shaft is fitted onto a second bearing, which is fixed to a flange plate. The flange plate is fixed to the end face of a through hole on the rear side wall of the seeding box by multiple first screws. By removing the flange plate, the roller can be pulled out of the seeding box, facilitating the replacement and installation of the roller. By inserting a plate onto the roller and changing the groove shape of the roller (the groove is a right-angled trapezoidal shape), seeds can be effectively prevented from getting stuck in the groove of the roller.

[0004] While the aforementioned patent can effectively prevent seeds from getting stuck in the groove of the roller, the right-angled trapezoidal groove's right-angled edge can easily damage the seeds, reducing the germination rate and thus affecting the sowing quality and uniformity. Furthermore, the insert plate and the roller structure with the right-angled trapezoidal groove are complex to manufacture and costly. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a seedling raising machine sowing device, which addresses the issues of sowing uniformity and quality in existing seedling raising machine sowing devices. The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: A seedling raising machine seeding device includes: A seeding box, wherein a hopper is fixedly installed on the upper part of the seeding box; A seeding assembly, comprising a seeding roller and a roller shaft, wherein the roller shaft is mounted in the seeding box in a rotating manner and is fixedly connected to the seeding roller, wherein the outer surface of the seeding roller is evenly provided with several arc grooves and the middle part of the seeding roller is hollow. A drive motor for driving the rotation of the seeding assembly is fixedly mounted on one side of the seeding assembly inside the seeding box.

[0006] Furthermore, a brush roller is provided on the lower side of the sowing roller, and a brush roller shaft is fixedly provided in the middle of the brush roller, and the brush roller shaft is rotatably connected to the sowing box.

[0007] Furthermore, an arc-shaped baffle is fixedly installed inside the sowing box. The arc-shaped baffle is located on one side of the sowing drum, and the inner end face of the arc-shaped baffle is in clearance fit with the sowing drum.

[0008] Furthermore, the output end of the drive motor is provided with a first gear in a keyed structure, a second gear is provided above the first gear, a first toothed belt is connected between the first gear and the second gear, the second gear is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the seeding box, a third gear is fixedly provided on the rotating shaft, a fourth gear is fixedly provided on the roller shaft, and a second toothed belt is connected between the third gear and the fourth gear.

[0009] Furthermore, the roller shaft is also fixedly connected to a first pulley, the first pulley is fitted with a timing belt, and the other end of the timing belt is connected to a second pulley, the second pulley being fixedly connected to the brush roller shaft.

[0010] Furthermore, a uniform brush roller is provided above the seeding roller, and a uniform brush roller shaft is fixedly provided on the uniform brush roller. The uniform brush roller shaft is rotatably connected to the seeding box body.

[0011] Furthermore, a fifth gear is fixedly connected to the brush roller shaft, and a sixth gear is also fixedly provided on the roller shaft. A third toothed belt connects the fifth gear and the sixth gear.

[0012] Furthermore, a scraper is provided above the brush roller, and the scraper is fixedly connected to the seeding box.

[0013] The beneficial effects of this invention are: by opening arc grooves on the sowing drum, the collision and friction of seeds during the movement of the sowing drum are effectively reduced, the seed damage rate is reduced, and the uniformity of sowing is improved.

[0014] By setting up a brush roller, some of the seeds adhering to the arc groove can be swept off into the seedling tray below, avoiding missed sowing due to seed retention and further ensuring the uniformity of sowing.

[0015] This integrated device eliminates the need for traditional insert plate structures and complex right-angled trapezoidal and annular grooves, simplifying the manufacturing process and reducing production costs. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 This is a main sectional view of the seeding component of this utility model.

[0018] Figure 3 This is a right sectional view of the seeding component of this utility model.

[0019] Figure 4 This is a partial structural schematic diagram of this utility model.

[0020] Figure 5 This is a partial structural cross-sectional view of this utility model.

[0021] Figure 6 This is a state diagram of the present invention (including a seedling tray).

[0022] In the picture: 1. Seeding box; 2. Hopper; 3. Seeding assembly; 31. Seeding roller; 32. Roller shaft; 33. Arc groove; 4. Drive motor; 5. Brush roller; 6. Brush roller shaft; 7. First gear; 8. First toothed belt; 9. Second gear; 10. Rotating shaft; 11. Third gear; 12. Second toothed belt; 13. Fourth gear; 14. First pulley; 15. Synchronous belt; 16. Second pulley; 17. Evening brush roller; 18. Evening brush roller shaft; 19. Fifth gear; 20. Third toothed belt; 21. Sixth gear; 22. Scraper; 23. Seedling tray; 24. Storage chamber; 25. Arc baffle. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will now be described in further detail with reference to the accompanying drawings and the following embodiments, so that the public can better understand the implementation method of this utility model. The specific implementation scheme of this utility model is as follows: A seedling raising machine sowing device includes a sowing box 1, with a hopper 2 fixedly installed on the upper part of the sowing box 1; a sowing assembly 3 is installed inside the sowing box 1, the sowing assembly 3 includes a sowing roller 31 and a roller shaft 32, the roller shaft 32 is rotatably connected to the sowing box 1, and the roller shaft 32 is fixedly connected to the sowing roller 31; a plurality of arc grooves 33 are evenly opened on the outer surface of the sowing roller 31, and the interior of the sowing roller 31 is hollow; a drive motor 4 is also fixedly installed on one side of the sowing assembly 3 inside the sowing box 1, the drive motor 4 is used to drive the rotation of the sowing assembly 3; by opening arc grooves 33 on the sowing roller 31, the collision and friction of seeds during the movement of the sowing roller 31 are effectively reduced, the seed damage rate is reduced, and the sowing uniformity is improved.

[0024] It should be noted that a brush roller 5 is provided on the lower side of the sowing roller 31, and a brush roller shaft 6 is fixedly provided in the middle of the brush roller 5. The brush roller shaft 6 is rotatably connected to the sowing box 1. By setting the brush roller 5, the brush roller 5 can sweep some of the seeds adhering in the arc groove 33 into the seedling tray 23 below, avoiding missed sowing caused by seed retention, and further ensuring the uniformity of sowing.

[0025] It should be noted that an arc-shaped baffle 25 is fixedly installed inside the sowing box 1. The arc-shaped baffle 25 is located on one side of the sowing roller 31, and the inner end face of the arc-shaped baffle 25 is in clearance fit with the sowing roller 31. The seeds in the hopper 2 will automatically fall into the arc groove 33 of the sowing roller 31. The rotation of the sowing roller 31 will carry the seeds along with it to the arc-shaped baffle 25. The arc-shaped baffle 25 and the arc groove 33 form a temporary seed storage cavity 24 to temporarily store a certain amount of seeds. When the arc groove 33 rotates away from the arc-shaped baffle 25, the seeds in the arc groove 33 will automatically fall into the seedling tray 23 below, completing the sowing.

[0026] It should be noted that the output end of the drive motor 4 is provided with a first gear 7 in a keyed structure, a second gear 9 is provided above the first gear 7, a first toothed belt 8 is connected between the first gear 7 and the second gear 9, the second gear 9 is fixedly connected to a rotating shaft 10, the rotating shaft 10 is rotatably connected to the seeding box 1, the rotating shaft 10 is fixedly provided with a third gear 11, the roller shaft 32 is fixedly provided with a fourth gear 13, and a second toothed belt 12 is connected between the third gear 11 and the fourth gear 13.

[0027] Furthermore, the roller shaft 32 is also fixedly connected to a first pulley 14, the first pulley 14 is fitted with a synchronous belt 15, and the other end of the synchronous belt 15 is connected to a second pulley 16, the second pulley 16 being fixedly connected to the brush roller shaft 6.

[0028] In use, the drive motor 4 is started, which drives the first gear 7 to rotate. The rotation of the first gear 7 drives the rotation of the second gear 9 through the first toothed belt 8. The rotation of the second gear 9 drives the rotation of the rotating roller, which in turn drives the rotation of the third gear 11. The rotation of the third gear 11 drives the rotation of the fourth gear 13 through the second toothed belt 12. The rotation of the fourth gear 13 drives the rotation of the roller shaft 32. The sowing roller 31 rotates together with the roller shaft 32, and the seeds in the arc groove 33 are sown as the sowing roller 31 rotates. At the same time, the rotation of the roller shaft 32 drives the rotation of the first pulley 14. The rotation of the first pulley 14 drives the rotation of the second pulley 16 through the synchronous belt 15. The rotation of the second pulley 16 drives the rotation of the brush roller shaft 6, and the brush roller 5 rotates together with the brush roller shaft 6. The brush roller 5 sweeps the seeds stuck in the arc groove 33 into the seedling tray 23 below, further ensuring the uniformity of sowing.

[0029] During the sowing process, since the seedling tray 23 is continuously being transported, when a seed in an arc groove 33 falls into the seedling tray 23, as the arc groove 33 rotates with the sowing roller 31 until it contacts the brush roller 5, the brush roller 5 will sweep off the seeds retained in the arc groove 33. The swept-off seeds will fall into the same groove in the seedling tray 23 as the seeds that normally fall from the arc groove 33, thus ensuring the uniformity of seeds in each groove of the seedling tray 23.

[0030] It should be noted that a uniform brush roller 17 is provided above the sowing roller 31, and a uniform brush roller shaft 18 is fixedly provided on the uniform brush roller 17. The uniform brush roller shaft 18 is rotatably connected to the sowing box 1. This structure is mainly used to control the amount of seeds in the arc groove 33, so that the number of seeds in each arc groove 33 is uniform, thus ensuring sowing quality and germination rate.

[0031] Furthermore, the brushing roller shaft 18 is fixedly connected to a fifth gear 19, and the roller shaft 32 is also fixedly provided with a sixth gear 21. A third toothed belt 20 connects the fifth gear 19 and the sixth gear 21. When the roller shaft 32 rotates, it drives the sixth gear 21 to rotate. The rotation of the sixth gear 21 drives the rotation of the fifth gear 19 through the third toothed belt 20. The rotation of the fifth gear 19 drives the rotation of the brushing roller shaft. The brushing roller 17 will rotate together with the rotation of the brushing roller shaft 18, thereby brushing the excess seeds in the arc groove 33 into the hopper 2.

[0032] It should be noted that a scraper 22 is provided above the brush roller 5, and the scraper 22 is fixedly connected to the seeding box 1; the main purpose of this structure is to scrape the seeds that may stick to the brush roller 5 down to the seedling tray 23 below.

[0033] It should be noted that the sowing roller 31, the brush roller 5, and the even brush roller 17 rotate in the same direction.

[0034] The working principle and process of this utility model are as follows: Seeds are placed into hopper 2, and drive motor 4 is started. The output shaft of drive motor 4 drives the first gear 7 to rotate. The rotation of the first gear 7 is transmitted to the second gear 9 via the first toothed belt 8. The second gear 9 rotates accordingly, which in turn drives the rotating roller to rotate. The rotation of the rotating roller drives the third gear 11 to rotate. The rotation of the third gear 11 is transmitted to the fourth gear 13 via the second toothed belt 12. The fourth gear 13 rotates accordingly, which in turn drives the drum shaft 32 to rotate clockwise. During the rotation of the sowing drum 31, seeds are introduced and temporarily stored in the storage space defined by the arc groove 33 and the arc baffle 25. Inside the cavity, when the arc-shaped groove 33 carrying the seeds rotates with the sowing roller 31 until it disengages from the arc-shaped baffle 25, the seeds in the arc-shaped groove 33 will automatically fall into the seedling tray 23 below, completing the sowing. At the same time, the rotation of the roller shaft 32 will drive the rotation of the first pulley 14. The rotation of the first pulley 14 will be transmitted to the second pulley 16 through the synchronous belt 15. The second pulley 16 will rotate accordingly. The rotation of the second pulley 16 will drive the brush roller shaft 6 to rotate in a clockwise direction. The brush roller 5 will rotate together with the rotation of the brush roller shaft 6. The brush roller 5 will sweep the seeds stuck in the arc-shaped groove 33 into the seedling tray 23 below, further ensuring the uniformity of sowing.

[0035] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "front," "rear," "lower left," "upper right," "outer," "clockwise," and "counterclockwise," 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 do not 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 on the scope of protection of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Although this utility model has been described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of this utility model described herein.

Claims

1. A seeding device for a seedling raising machine, characterized in that, include: A seeding box (1) is provided with a hopper (2) fixedly installed on the upper part of the seeding box (1); The sowing assembly (3) includes a sowing roller (31) and a roller shaft (32). The roller shaft (32) is mounted in the sowing box (1) in a rotating manner. The roller shaft (32) is fixedly connected to the sowing roller (31). The outer surface of the sowing roller (31) is evenly provided with several arc grooves (33), and the middle part of the sowing roller (31) is hollow. A drive motor (4) for driving the rotation of the seeding assembly (3) is fixedly installed on one side of the seeding assembly (3) inside the seeding box (1).

2. The seeding device for a seedling raising machine according to claim 1, characterized in that: A brush roller (5) is provided on the lower side of the sowing roller (31), and a brush roller shaft (6) is fixedly provided in the middle of the brush roller (5). The brush roller shaft (6) is rotatably connected to the sowing box (1).

3. The seeding device for a seedling raising machine according to claim 1, characterized in that: An arc-shaped baffle (25) is fixedly installed inside the seeding box (1). The arc-shaped baffle (25) is located on one side of the seeding roller (31), and the inner end face of the arc-shaped baffle (25) is in clearance fit with the seeding roller (31).

4. The seeding device for a seedling raising machine according to claim 1, characterized in that: The output end of the drive motor (4) is provided with a first gear (7) in a keyed structure. A second gear (9) is provided above the first gear (7). A first toothed belt (8) is connected between the first gear (7) and the second gear (9). The second gear (9) is fixedly connected to a rotating shaft (10). The rotating shaft (10) is rotatably connected to the seed box (1). A third gear (11) is fixedly provided on the rotating shaft (10). A fourth gear (13) is fixedly provided on the roller shaft (32). A second toothed belt (12) is connected between the third gear (11) and the fourth gear (13).

5. A seedling raising machine sowing device according to claim 1 or 2, characterized in that: The roller shaft (32) is also fixedly connected to a first pulley (14), which is fitted with a synchronous belt (15). The other end of the synchronous belt (15) is connected to a second pulley (16), which is fixedly connected to the brush roller shaft (6).

6. The seeding device for a seedling raising machine according to claim 1, characterized in that: A uniform brush roller (17) is provided above the sowing roller (31), and a uniform brush roller shaft (18) is fixedly provided on the uniform brush roller (17). The uniform brush roller shaft (18) is rotatably connected to the sowing box (1).

7. The seeding device for a seedling raising machine according to claim 6, characterized in that: The brush roller shaft (18) is fixedly connected to a fifth gear (19), and the roller shaft (32) is also fixedly provided with a sixth gear (21). A third toothed belt (20) is connected between the fifth gear (19) and the sixth gear (21).

8. The seeding device for a seedling raising machine according to claim 2, characterized in that: A scraper (22) is provided above the brush roller (5), and the scraper (22) is fixedly connected to the seed box (1).

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