Seedling pulling device of seedling throwing machine

Abstract

The utility model discloses a seedling pulling device of a seedling throwing machine, which comprises a seedling box, a belt conveyor and a chain plate conveyor, chain plates are annularly distributed on the chain plate conveyor, the belt conveyor is horizontally mounted at the bottom of the seedling box, and the chain plate conveyor is obliquely mounted at the seedling outlet end of the seedling box. The belt conveyor and the chain plate conveyor intersect at the seedling outlet end of the seedling box to form a seedling outlet, the top of the chain plate conveyor is higher than the top of the seedling box, the chain plate conveyor and the belt conveyor rotate in opposite directions, and seedling pulling rods are evenly distributed on a chain plate in a staggered mode. Through the synergistic effect of the belt conveyor and the chain plate conveyor, seedlings are orderly and uniformly discharged from the seedling box layer by layer, so that uniform distribution is realized, the problem that the seedlings are not smoothly and uniformly discharged due to the fact that the seedlings are easily stacked at a seedling outlet of a traditional seedling throwing machine is solved, and the seedling throwing efficiency and the planting quality are remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery, and in particular to a seedling-pulling device for a rice transplanter. Background Technology

[0002] Compared to sequential rice transplanters, self-sequential rice transplanters can cover a larger area per unit time, load more seedlings at a time without needing a seedling tray, and require only one operator, resulting in higher efficiency. Most self-sequential rice transplanters use high-speed airflow to disperse and propel seedlings with soil attached. The effectiveness of this method largely depends on the seedling discharge from the seedling box. Currently, high-speed airflow self-sequential rice transplanters commonly suffer from problems such as seedling entanglement, substrate adhesion, and seedling blockage at the discharge port, ultimately leading to uneven seedling discharge and affecting the transplanting effect. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the above-mentioned defects in the existing technology and provide a seedling pulling device for stable and uniform seedling discharge from the seedling box of a high-speed airflow type rice self-sequential rice transplanter.

[0004] This utility model achieves the above-mentioned objective through the following technical solution: a seedling pulling device for a seedling transplanter, comprising a seedling box, a belt conveyor, and a chain plate conveyor. The chain plate conveyor has chain plates distributed in a ring on it. The belt conveyor is horizontally installed at the bottom of the seedling box, and the chain plate conveyor is inclinedly installed at the seedling outlet end of the seedling box. The belt conveyor and the chain plate conveyor converge at the seedling outlet end of the seedling box to form a seedling outlet. The characteristic feature is that the top of the chain plate conveyor is higher than the top of the seedling box, the chain plate conveyor and the belt conveyor rotate in opposite directions, and the seedling pulling rods are evenly distributed and staggered on the chain plate.

[0005] In a further technical solution, the angle between the plane of the chain conveyor and the plane of the belt conveyor is 30-60 degrees.

[0006] In a further technical solution, the conveying speed of the chain conveyor is 0.3~0.5m / s, and the conveying speed of the belt conveyor is 2~5mm / s.

[0007] In a further technical solution, the distance between two adjacent rows of seedling pulling poles is 100~130mm, and the distance between adjacent seedling pulling poles in the same row is 50~70mm.

[0008] The advantages of this utility model's rice-throwing device for a rice transplanter compared to existing technologies are as follows:

[0009] (1) This utility model uses the seedling-pulling rod on the chain conveyor to pull the seedlings stacked together in the seedling box out of the seedling outlet layer by layer, making the seedlings out of the seedling box more uniform and less likely to block the seedling outlet.

[0010] (2) By adjusting the speed of the belt conveyor and the chain conveyor to a specific range, this utility model can avoid the seedling density in the seedling box from continuously increasing and the seedlings being squeezed and damaged due to the mismatch between the speed of the belt conveyor and the speed of the chain conveyor, thus affecting the quality of the seedlings.

[0011] (3) By setting the spacing between adjacent rows of seedling pullers and the distance between adjacent rows of seedling pullers within a specific range, this utility model can improve the uniformity of seedling emergence in the seedling box and reduce the probability of seedling entanglement and seedling substrate adhesion after emergence. Attached Figure Description

[0012] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0013] Figure 1 This is a three-dimensional structural diagram of the seedling-pulling device of the seedling thrower of this utility model.

[0014] Figure 2 for Figure 1 Side view;

[0015] Figure 3 for Figure 1 A schematic diagram of the chain conveyor structure. Detailed Implementation

[0016] It should be noted that, without causing conflict, the various embodiments and features of this utility model can be combined with each other. Next, I will describe this utility model in detail with reference to the accompanying drawings and specific embodiments.

[0017] like Figure 1 , 2 As shown in Figure 3, the present invention preferably provides a seedling pulling device for a seedling thrower, including a seedling box 1, a belt conveyor 2, and a chain plate conveyor 3. The chain plate conveyor 3 has chain plates 30 arranged in a ring. The belt conveyor 2 is horizontally installed at the bottom of the seedling box 1, and the chain plate conveyor 3 is inclinedly installed at the seedling outlet end of the seedling box 1. The belt conveyor 2 and the chain plate conveyor 3 meet at the seedling outlet end of the seedling box 1 to form a seedling outlet. The characteristic feature is that the top of the chain plate conveyor 3 is higher than the top of the seedling box, the chain plate conveyor 3 and the belt conveyor 2 rotate in opposite directions, and the seedling pulling rods 31 are evenly distributed and staggered on the chain plate 30.

[0018] The seedling guide rod 31, resembling a comb, uniformly combs the seedlings stacked together in the seedling box. Optimal seedling guiding effect is achieved by setting the spacing between adjacent rows of guide rods to 100-130mm and the spacing between adjacent guide rods within the same row to 50-70mm. This significantly reduces seedling entanglement and substrate adhesion after transplanting, ensuring even seedling extraction from the seedling box outlet. The chain plate 30 is made of wear-resistant and lightweight material, reducing energy consumption and extending service life. Matching the speeds of the belt conveyor 2 and the chain plate conveyor 3 achieves optimal collaborative operation. Setting the chain plate conveyor speed to 0.3-0.5m / s and the belt conveyor speed to 2-5mm / s effectively prevents continuous increase in seedling density within the seedling box, which could lead to seedling compression, affecting seedling quality, reducing seedling survival rate after transplanting, and ultimately reducing production.

[0019] This invention utilizes a belt conveyor 2 and a chain conveyor 3 to converge at the seedling outlet of the seedling box 1, forming a seedling outlet. The chain conveyor 3 and the belt conveyor 2 rotate in opposite directions, ensuring that the seedlings are discharged from the seedling box 1 layer by layer in an orderly and uniform manner. Through the synergistic effect of the belt conveyor 2 and the chain conveyor 3, uniform distribution is achieved, avoiding the problem of seedlings piling up at the outlet of traditional seedling transplanters, which causes uneven and unsmooth seedling discharge. This significantly improves transplanting efficiency and planting quality.

[0020] The techniques not described above are common knowledge to those skilled in the art. The above description is merely a preferred embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A seedling-pulling device for a seedling thrower, comprising a seedling box (1), a belt conveyor (2), and a chain plate conveyor (3), wherein chain plates (30) are arranged in a ring on the chain plate conveyor (3), the belt conveyor (2) is horizontally installed at the bottom of the seedling box (1), and the chain plate conveyor (3) is inclinedly installed at the seedling outlet end of the seedling box (1), wherein the belt conveyor (2) and the chain plate conveyor (3) converge at the seedling outlet end of the seedling box (1) to form a seedling outlet, characterized in that: The chain conveyer (3) is higher than the top of the seedling box, the chain conveyer (3) is opposite to the rotating direction of the belt conveyer (2), and the seedling pushing rods (31) are arranged on the chain (30) in an interlaced and uniform distribution.

2. The seedling transplanting apparatus according to claim 1, wherein: The angle between the plane of the chain conveyer (3) and the plane of the belt conveyer (2) is 30-60 degrees.

3. The seedling transplanting apparatus as claimed in claim 2, wherein: The conveying speed of the chain conveyer (3) is 0.3-0.5 m / s, and the conveying speed of the belt conveyer (2) is 2-5 mm / s.

4. The seedling transplanting apparatus according to any one of claims 1 to 3, wherein: The distance between the adjacent two rows of seedling pushing rods (31) is 100-130 mm, and the distance between the adjacent seedling pushing rods (31) in the same row is 50-70 mm.

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