Anti-blocking seed sowing machine

Abstract

The utility model discloses an anti-blocking seed sowing machine which comprises a sowing box used for storing quinoa seeds, the bottom of the sowing box is communicated with two funnels, and the bottom end of each funnel is provided with a discharging thin pipe; longitudinal connecting rods are arranged at two ends of the bottom of the sowing box; the bottom ends of the connecting rods are rotationally connected with the crankshaft through bearings; fixing blocks are arranged on the contact surfaces of the rotating wheels; the two connecting rods are connected through a cross beam, and limiting rings are symmetrically arranged on the cross beam; a dredging rod sliding longitudinally penetrates through the limiting ring, the top end of the dredging rod is conical, and the axis of the dredging rod is vertically aligned with the axis of the discharging thin pipe; and a driving ring is sleeved on a connecting rod journal of the crankshaft and is pivoted with the dredging rod through a driving rod. The utility model has the advantages of double guarantee of automatic dredging and vibration anti-blocking, mechanical linkage design without extra power dependence, and synchronous realization of dynamic anti-blocking and continuous seeding.

Description

Technical Field

[0001] This utility model relates to the field of agricultural planting technology, specifically to a seed spreader that prevents clogging. Background Technology

[0002] Quinoa, a highly nutritious economic crop, has extremely small seeds (typically 1-2 mm in diameter), requiring strict control over sowing density. Traditional seeders typically use a very narrow (approximately 3-5 mm) discharge pipe to control the sowing rate, preventing excessive or rapid seed discharge that could lead to overcrowding in the field. However, dust and fine impurities adhering to the surface of quinoa seeds easily accumulate and adhere within the narrow pipe, especially in high-humidity operating environments, significantly reducing seed mobility and easily causing blockages in the discharge pipe. This paradoxical situation necessitates frequent machine shutdowns for manual unblocking, severely hindering sowing efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a seed spreader that prevents clogging, featuring automatic unblocking and vibration-based anti-clogging protection, a mechanical linkage design that requires no additional power, and the simultaneous realization of dynamic anti-clogging and continuous sowing, thus solving the problems in the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A clog-resistant seed spreader includes a spreading box for storing quinoa seeds. The bottom of the spreading box is connected to two funnels, each funnel having a discharge tube at its bottom end. Longitudinal connecting rods are located at both ends of the bottom of the spreading box, with the bottom ends of the connecting rods rotatably connected to a crankshaft via bearings. Rotary wheels are located at both ends of the crankshaft, with fixed blocks on their contact surfaces. The two connecting rods are connected by a crossbeam, on which symmetrical limiting rings are arranged. A longitudinally sliding unblocking rod passes through the limiting ring, with its top end being conical and its axis perpendicularly aligned with the axis of the discharge tube. A drive ring is sleeved on the connecting rod journal of the crankshaft, and the drive ring is pivotally connected to the unblocking rod via a drive rod.

[0006] Preferably, the drive ring and the connecting rod journal form a rotating pair, the bottom end of the drive rod is rigidly connected to the drive ring, and the top end of the drive rod is hinged to the bottom end of the unblocking rod.

[0007] Preferably, the outer diameter of the unblocking rod is equal to the inner diameter of the discharge tube, and the inner diameter of the limiting ring is equal to the outer diameter of the unblocking rod.

[0008] Preferably, the discharge tube is a cylindrical metal tube with an inner diameter of 5 mm and a length of 800 mm, which is welded and fixed to the bottom of the funnel.

[0009] Preferably, the crossbeam and the connecting rod are connected by bolts, and the limiting rings are symmetrically distributed at both ends of the crossbeam.

[0010] Preferably, the crankshaft includes two connecting rod journals, corresponding to the drive ring and the drain rod on both sides, respectively.

[0011] Preferably, a pusher is installed on one side of the spreading box.

[0012] Preferably, the spreading box is made of stainless steel with a thickness of 3mm.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model uses the linkage between the crankshaft and the rotating wheel to drive the unblocking rod to move up and down periodically in the discharge tube. The conical structure at the top of the unblocking rod directly breaks up the blocked seed clumps and achieves precise unblocking of the discharge tube. At the same time, the fixed block on the rotating wheel vibrates when it touches the ground, which helps the seeds to be discharged from the tube. The dual anti-blocking mechanism significantly reduces the probability of blockage.

[0015] 2. In this utility model, the movement of the unblocking rod is entirely driven by the rotation of the wheel as it moves forward. Through the mechanical transmission of crankshaft-drive ring-drive rod, the kinetic energy of the wheel is converted into unblocking action. No external motor or air pump is required. The structure is simple and the energy consumption is zero, saving planting costs.

[0016] 3. The unblocking rod of this utility model completes one pipe-penetrating unblocking action every time the rotating wheel rotates once. At the moment it exits the discharge tube downwards, the seeds fall and are sown. Unblocking and seed discharge are carried out alternately, which not only ensures that the pipeline is unobstructed, but also avoids the unblocking rod from obstructing the normal sowing process. Attached Figure Description

[0017] Figure 1 This is an isometric view of the overall structure of this utility model;

[0018] Figure 2 This is a bottom view of the overall structure of this utility model;

[0019] Figure 3 This is a first longitudinal section schematic diagram of the present invention;

[0020] Figure 4 This is a second longitudinal section diagram of the present invention.

[0021] In the diagram: 1. Spreading box; 2. Funnel; 3. Discharge tube; 4. Connecting rod; 5. Drive rod; 6. Crankshaft; 7. Rotary wheel; 8. Crossbeam; 9. Limiting ring; 10. Unblocking rod; 11. Fixing block; 12. Connecting rod journal; 13. Drive ring. Detailed Implementation

[0022] 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.

[0023] To address the problem of quinoa seeds easily clogging the discharge port during sowing in existing technologies, the following technical solution is provided. Please refer to [link / reference]. Figure 1-4 ;

[0024] A clog-resistant seed spreader includes a spreading box 1 for storing quinoa seeds. The spreading box 1 is made of stainless steel with a thickness of 3 mm. The bottom of the spreading box 1 is connected to two funnels 2. Each funnel 2 has a cylindrical discharge tube 3 with a length of 80 mm and an inner diameter of 5 mm welded to its bottom end.

[0025] Each end of the bottom of the spreading box 1 is provided with a connecting rod 4, which is arranged longitudinally. The bottom end of the connecting rod 4 is rotatably connected to the crankshaft 6 through a bearing, that is, the bottom end of the connecting rod 4 and the main journal of the crankshaft 6 form a rotating pair. Both ends of the crankshaft 6 are provided with a rotating wheel 7. A fixing block 11 is provided on the circumferential surface of the rotating wheel 7. By setting the fixing block 11, the rotating wheel 7 and the spreading box 1 will generate periodic vibration during the forward movement. The rotating wheel 7 vibrates once for each rotation.

[0026] A pusher is installed on one side of the spreading box 1. The user holds the pusher to move the spreading box 1 in the forward direction and maintain the balance of the spreading box 1.

[0027] The two connecting rods 4 are connected by a crossbeam 8. A limit ring 9 is symmetrically arranged on the crossbeam 8. A drain rod 10 is longitudinally inserted through the limit ring 9. The drain rod 10 can slide longitudinally in the limit ring 9. The outer diameter of the drain rod 10 is equal to the inner diameter of the limit ring 9, so that the limit ring 9 can ensure that the drain rod 10 always remains vertical.

[0028] The top of the unblocking rod 10 is conical. The axis of the unblocking rod 10 and the axis of the discharge capillary tube 3 are on the same vertical line. The outer diameter of the unblocking rod 10 and the inner diameter of the discharge capillary tube 3 are the same, so that the unblocking rod 10 can penetrate into the discharge capillary tube 3 to break up the clumps of quinoa seeds in the sowing box 1 and directly unblock the discharge capillary tube 3.

[0029] The unblocking rod (10) completes one pipe unblocking action every time the rotating wheel (7) rotates once. At the moment it exits the discharge tube (3) downwards, the seeds fall down for sowing. Unblocking and sowing are carried out alternately, which not only ensures the smooth flow of the pipeline, but also avoids the unblocking rod from obstructing the normal sowing process.

[0030] The crankshaft 6 is provided with two connecting rod journals 12, and a drive ring 13 is rotatably connected to the connecting rod journal 12. The drive ring 13 is connected to the unblocking rod 10 through a drive rod 5. The bottom end of the drive rod 5 is fixedly connected to the drive ring 13, and the top end of the drive rod 5 is pivotally connected to the unblocking rod 10.

[0031] The spreading box 1 is pushed to make the rotating wheel 7 rotate forward on the ground. The rotating wheel 7 drives the crankshaft 6 to rotate, which in turn drives the connecting rod journal 12 to make a circular motion. The drive ring 13 converts the rotational motion into the reciprocating motion of the drive rod 5, which drives the unblocking rod 10 to move vertically. When the unblocking rod 10 moves upward and passes through the discharge tube 3, it breaks up the clumps of quinoa seeds in the spreading box 1 and directly unblocks the discharge tube 3. When the unblocking rod 10 moves downward and passes through the discharge tube 3, the quinoa seeds in the spreading box 1 fall from the unblocked discharge tube 3 and are sown into the field. When the top of the unblocking rod 10 passes through the discharge tube 3, the rotating wheel 7 and the spreading box 1 vibrate under the influence of the fixed block 11, which helps the quinoa seeds to be discharged from the discharge tube 3 and also plays a role in preventing blockage to a certain extent.

[0032] Working principle: The spreading box 1 is pushed to make the rotating wheel 7 rotate forward on the ground. The rotating wheel 7 drives the crankshaft 6 to rotate, which in turn drives the connecting rod journal 12 to make a circular motion. The drive ring 13 converts the rotational motion into the reciprocating motion of the drive rod 5, which drives the unblocking rod 10 to move vertically. When the unblocking rod 10 moves upward and passes through the discharge tube 3, its conical head unblocks the quinoa seeds blocked in the inner cavity of the discharge tube 3. When the unblocking rod 10 moves downward and passes through the discharge tube 3, the quinoa seeds in the spreading box 1 fall from the unblocked discharge tube 3 and are sown in the field. When the top of the unblocking rod 10 passes through the discharge tube 3, the rotating wheel 7 and the spreading box 1 vibrate under the influence of the fixed block 11, which helps the quinoa seeds to be discharged from the discharge tube 3.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A clogging-proof seed spreader comprising a spreading tank (1) for storing quinoa seeds, characterized in that, The bottom of the spreading box (1) is connected to two funnels (2), and each funnel (2) is provided with a discharge tube (3) at the bottom end; the bottom ends of the spreading box (1) are provided with longitudinal connecting rods (4), and the bottom ends of the connecting rods (4) are rotatably connected to the crankshaft (6) through bearings; the crankshaft (6) is provided with a rotating wheel (7) at both ends, and the contact surface of the rotating wheel (7) is provided with a fixing block (11); the two connecting rods (4) are connected by a crossbeam (8), and a limiting ring (9) is symmetrically arranged on the crossbeam (8); a longitudinally sliding unblocking rod (10) passes through the limiting ring (9), the top end of the unblocking rod (10) is conical, and its axis is perpendicularly aligned with the axis of the discharge tube (3); a drive ring (13) is sleeved on the connecting rod journal (12) of the crankshaft (6), and the drive ring (13) is pivotally connected to the unblocking rod (10) through the drive rod (5).

2. A clog resistant seed meter according to claim 1, wherein, The drive ring (13) and the connecting rod journal (12) form a rotating pair. The bottom end of the drive rod (5) is rigidly connected to the drive ring (13), and the top end of the drive rod (5) is hinged to the bottom end of the unblocking rod (10).

3. The anti-clogging seed broadcaster according to claim 2, characterized in that, The outer diameter of the unblocking rod (10) is equal to the inner diameter of the discharge tube (3), and the inner diameter of the limiting ring (9) is equal to the outer diameter of the unblocking rod (10).

4. A non-clogging seed drill according to claim 3, characterised in that The discharge tube (3) is a cylindrical metal tube with an inner diameter of 5 mm and a length of 80 mm, which is welded and fixed to the bottom of the funnel (2).

5. A non-clogging seed drill according to claim 4, characterised in that, The crossbeam (8) and the connecting rod (4) are connected by bolts, and the limiting rings (9) are symmetrically distributed at both ends of the crossbeam (8).

6. A non-clogging seed drill according to claim 5, characterised in that, The crankshaft (6) includes two connecting rod journals (12), which correspond to the drive ring (13) and the unblocking rod (10) on both sides, respectively.

7. A non-clogging seed drill according to claim 6, characterised in that A pusher is installed on one side of the spreading box (1).

8. A non-clogging seed drill according to claim 7, characterised in that, The spreading box (1) is made of stainless steel with a thickness of 3mm.

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