Seed soaking device for green Chinese onion seedling culture

Abstract

The utility model relates to the technical field of green Chinese onion seedling culture, in particular to a seed soaking device for green Chinese onion seedling culture, which comprises a base, a fixed seat and a telescopic rotary support component fixedly arranged at the top of the base, a seed soaking tank arranged at the top of the fixed seat, a seed soaking net barrel arranged in the seed soaking tank, and a stirring oxygenation component arranged between the seed soaking tank and the seed soaking net barrel. A magnetic driving assembly for driving the stirring oxygenation assembly to rotate is arranged below the seed soaking tank, a variable-frequency aerator is fixedly connected to the telescopic rotating supporting assembly, a rotating seat is fixedly connected to the bottom of the variable-frequency aerator, a hollow rotating shaft is rotatably connected to the bottom of the rotating seat, and a gas conveying pipe of the variable-frequency aerator penetrates through the rotating seat and is inserted into the hollow rotating shaft. The hollow rotating shaft is fixedly communicated with the stirring oxygenation assembly; the seed soaking device effectively solves the problem that seeds are damaged due to stirring in the seed soaking process, meanwhile, sufficient oxygen can be provided for the seeds, and the germination rate and the germination quality are improved by promoting the respiration and metabolism of the seeds.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of scallion seedling raising, especially to a seed soaking device for scallion seedling raising. BACKGROUND

[0002] Allium vegetables occupy an extremely important position in China's vegetable production, with a cultivation area accounting for 10% of the total vegetable sowing area and a yield accounting for 7% of the total yield. Big onions have the effects of strengthening yang and tonifying yin, detoxifying and seasoning, perspiring and inhibiting bacteria, and dilating blood vessels, and become indispensable seasonings in people's cooking process. The market demand for big onions is large, and many people take big onion planting as the main economic source.

[0003] Big onion seedling raising is an important link in the process of rice planting, and its main purpose is to provide healthy seedlings for the growth of big onions and ensure high yield and high quality. Seed soaking, as an important step in seedling raising, can promote seed water absorption, break dormancy, improve germination rate, disinfect and sterilize, and lay a foundation for subsequent seedling raising and transplanting. Therefore, a water big onion seedling seed soaking device is needed.

[0004] The big onion seedling seed soaking device is a device specially used for big onion seed soaking treatment. Its main function is to optimize the seed soaking process, thereby improving the germination rate of seeds, seedling quality, and production efficiency.

[0005] As disclosed in patent No. CN220831050U, a hybrid rice breeding device with good seed soaking effect is disclosed, which comprises a breeding box and a rectangular frame. The rectangular frame is located inside the breeding box. The breeding box is provided with a lifting assembly at the left side, and the bottom of the lifting assembly is provided with a vertical plate extending into the breeding box. The hybrid rice breeding device with good seed soaking effect is provided with a lifting assembly and a stirring and oxygen increasing assembly. The double-shaft servo motor drives the rotating rod to rotate under the support of the vertical block, drives the winding drum to rotate forward and backward, drives the pull rope to move the strip plate up and down, and drives the vertical plate and the rectangular frame to move up and down under the support of the vertical column, thereby facilitating the placement or removal of the rice seeds. When the stirring motor is started to drive the stirring shaft and the stirring blade to rotate, the rice seeds in the rectangular frame are stirred, thereby more fully completing the seed soaking operation, achieving the purpose of convenient placement and removal of the rice seeds and good soaking effect.

[0006] Although the above-mentioned device can make the seeds fully absorb water through the stirring mechanism during seedling raising and seed soaking, the surface of the seeds is easily damaged during stirring by the stirring mechanism, which affects the subsequent planting of the seeds. In addition, the stirring mechanism has a single function and can only stir, and cannot increase the oxygen content in the seed soaking environment. Oxygen is crucial for seed respiration and physiological activity, and lack of oxygen will affect seed metabolism, reduce germination rate and growth quality. UTILITY MODEL CONTENTS

[0007] The main technical problem to be solved by this utility model is to provide a seed soaking device for scallion seedling cultivation that has a reasonable structural design, is easy to operate, effectively solves the problem of seed damage caused by stirring during the soaking process, and can provide sufficient oxygen to the seeds, thereby improving the germination rate and germination quality by promoting seed respiration and metabolism.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0009] A seed soaking device for scallion seedling cultivation includes a base, a fixed seat and a telescopic rotating support assembly fixedly mounted on the top of the base, a seed soaking tank mounted on the top of the fixed seat, a seed soaking mesh barrel mounted inside the seed soaking tank, a stirring and aeration assembly mounted between the seed soaking tank and the seed soaking mesh barrel, a magnetic drive assembly for driving the stirring and aeration assembly to rotate mounted below the seed soaking tank, a variable frequency aerator fixedly connected to the telescopic rotating support assembly, a rotating seat fixedly connected to the bottom of the variable frequency aerator, a hollow rotating shaft rotatably connected to the bottom of the rotating seat, an air supply pipe of the variable frequency aerator passing through the rotating seat and inserted into the hollow rotating shaft, and the hollow rotating shaft being fixedly connected to the stirring and aeration assembly.

[0010] The following are further optimizations of the above technical solution by this utility model:

[0011] The telescopic rotating support assembly includes an electric telescopic rod fixedly installed on the top of the base, a support plate fixedly installed at the telescopic end of the electric telescopic rod, a damping shaft rotatably connected above the support plate, a mounting bracket fixedly connected to the damping shaft, and a variable frequency aerator fixedly installed at the bottom of the mounting bracket.

[0012] Further optimization: The bottom inner wall of the seed soaking tank has a frustum-shaped structure, with the upper end being the large diameter end and the lower end being the small diameter end. The diameter of the seed soaking net is equal to the diameter of the small diameter end of the bottom inner wall of the seed soaking tank.

[0013] Further optimization: Multiple support legs are arranged in a ring at intervals near the edge of the bottom of the soaking net tank, and the bottom of the support legs is in contact with the small diameter end of the inner wall of the bottom of the soaking tank.

[0014] Further optimization: The bottom of the mounting bracket is symmetrically provided with mounting rods on both sides of the variable frequency aerator. The bottom of the mounting rods is fixedly installed with the same seed soaking tank cover, and a sealing ring is installed at the edge of the seed soaking tank cover.

[0015] Further optimization: The stirring and oxygenating component includes an air distribution disc that is fixedly connected to the hollow rotating shaft. Multiple stirring and aeration rods are evenly spaced at the bottom of the air distribution disc near its edge and along its circumference.

[0016] Further optimization: The stirring and venting rod is a hollow rod made of magnetic material, and multiple downward-sloping air jet holes are evenly opened on the outer wall of the stirring and venting rod.

[0017] Further optimization: The magnetic drive assembly includes a magnetic ring that is horizontally rotatably disposed in the fixed base, and the magnetic ring is located directly below the stirring and aeration rod. The bottom of the magnetic ring is connected to a motor, which is fixedly disposed in the base.

[0018] Further optimization: A drain pipe is fixedly connected to the outer wall of the seed soaking tank near its bottom, and a valve is installed on the drain pipe to control its opening and closing.

[0019] This invention employs a non-contact power transmission method using a magnetic drive component. The magnetic field drives the stirring and aeration component to rotate, avoiding the vibration transmission caused by mechanical transmission. Furthermore, the seed soaking net physically isolates the seeds from the stirring and aeration component, limiting the seed's range of motion. Combined with the stability of the magnetic drive, even if the stirring and aeration component operates continuously, the seeds will not suffer damage to their seed coat due to external impacts or friction. This solves the problem of seed damage caused by stirring and provides a key guarantee for maintaining good seed activity and improving germination rate.

[0020] This invention utilizes a variable frequency aerator to generate oxygen, which is then delivered through an air pipe, a rotating seat, and a hollow rotating shaft to form a three-dimensionally connected aeration system with the stirring and aeration components. Simultaneously, a magnetic drive component stably drives the stirring and aeration components to rotate. While stirring the seed soaking solution, this accelerates the dissolution and diffusion of oxygen in the solution, ensuring that oxygen is evenly distributed throughout the seed soaking tank. This allows for simultaneous liquid stirring and oxygen injection during the soaking process, resulting in more uniform water absorption by the seeds, avoiding localized oxygen deficiency, and significantly improving the germination rate and uniformity of the seeds.

[0021] This invention provides flexible adjustment capabilities for height and angle through a telescopic rotating support assembly, enabling the variable frequency aerator and hollow rotating shaft to adapt to different capacity soaking needs, ensuring stable transmission of oxygen delivery and stirring power. This not only ensures stable equipment operation but also enhances the versatility and adaptability of the device, allowing it to meet the requirements of diverse seedling cultivation operations.

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0025] Figure 2 This is a bottom view of the stirring and oxygenating component in an embodiment of this utility model;

[0026] Figure 3 This is a front view of the seed soaking net tank in an embodiment of this utility model;

[0027] Figure 4 This is a top view of the electromagnetic ring in an embodiment of this utility model.

[0028] In the diagram: 1-Base; 2-Fixed seat; 3-Telescopic rotating support assembly; 31-Electric telescopic rod; 32-Support plate; 33-Damping shaft; 34-Mounting frame; 4-Seed soaking tank; 5-Seed soaking net bucket; 51-Support leg; 6-Agitating and oxygenating assembly; 61-Air distribution turntable; 62-Agitating and venting rod; 7-Magnetic drive assembly; 71-Motor; 72-Magnetic ring; 9-Variable frequency aerator; 10-Rotating seat; 11-Hollow shaft; 12-Gas delivery pipe; 13-Mounting rod; 14-Seed soaking tank cover; 15-Drain pipe; 16-Valve. Detailed Implementation

[0029] 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.

[0030] like Figures 1-4 As shown, a seed soaking device for scallion seedling cultivation includes a base 1, a fixed seat 2 and a telescopic rotating support assembly 3 fixedly installed on the top of the base 1, a seed soaking tank 4 installed on the top of the fixed seat 2, a seed soaking mesh tank 5 installed inside the seed soaking tank 4, a stirring and aeration assembly 6 installed between the seed soaking tank 4 and the seed soaking mesh tank 5, a magnetic drive assembly 7 for driving the stirring and aeration assembly 6 to rotate installed inside the fixed seat 2, a variable frequency aerator 9 fixedly connected to the telescopic rotating support assembly 3, a rotating seat 10 rotatably connected to the bottom of the variable frequency aerator 9, a hollow rotating shaft 11 rotatably connected to the bottom of the rotating seat 10, an air supply pipe 12 of the variable frequency aerator 9 rotatably passes through the rotating seat 10 and inserts into the hollow rotating shaft 11, and the hollow rotating shaft 11 is fixedly connected to the stirring and aeration assembly 6.

[0031] This design has several advantages. First, the magnetic drive component 7 of the device uses non-contact power transmission, driving the stirring and aeration component 6 to rotate through the magnetic field, thus avoiding the vibration transmission caused by mechanical transmission. Second, the seed soaking net tank 5 physically isolates the seeds from the stirring and aeration component 6, limiting the range of seed movement. In addition, the stability of the magnetic drive ensures that even if the stirring and aeration component 6 operates continuously, the seeds will not be damaged by external impact or friction. This solves the problem of seed damage caused by stirring and provides a key guarantee for maintaining good seed activity and improving germination rate.

[0032] Secondly, the oxygen generated by the variable frequency aerator 9 is transmitted through the air pipe 12, the rotating seat 10, and the hollow rotating shaft 11 to form a three-dimensional oxygenation system with the stirring and aeration component 6. At the same time, the magnetic drive component 7 stably drives the stirring and aeration component 6 to rotate. While stirring the seed soaking solution, it accelerates the dissolution and diffusion of oxygen in the seed soaking solution, ensuring that oxygen is evenly distributed to all areas of the seed soaking tank 4. Thus, liquid stirring and oxygen injection are realized simultaneously during the seed soaking process, making the seeds absorb water more evenly, avoiding local oxygen deficiency problems, and thus significantly improving the germination rate and uniformity of the seeds.

[0033] Furthermore, the telescopic rotating support assembly 3 provides flexible adjustment capabilities for height and angle, enabling the variable frequency aerator 9 and the hollow rotating shaft 11 to adapt to different capacity soaking requirements, ensuring stable transmission of oxygen delivery and stirring power. This not only ensures stable operation of the equipment but also enhances the versatility and adaptability of the device, allowing it to meet the requirements of diverse seedling cultivation operations.

[0034] In this embodiment, the variable frequency aerator is an HG series product manufactured by Sensen.

[0035] The variable frequency aerators 9 mentioned above are all common standardized products on the market. Their technical principles and installation methods are well known to industry technicians. Therefore, they will not be described in detail in this embodiment.

[0036] The bottom of the rotating seat 10 is provided with a bearing mounting hole, and a bearing is installed in the bearing mounting hole. One end of the hollow rotating shaft 11 is inserted into the inner ring of the bearing and is rotatably connected to the bearing.

[0037] The rotating base 10 has a through hole through which the air supply pipe 12 of the variable frequency aerator 9 passes. The air supply pipe 12 passes through the through hole and is inserted into the hollow rotating shaft 11. A sealing element is provided between the air supply pipe 12 and the through hole.

[0038] This design, firstly, enables the rotating seat 10 and the hollow rotating shaft 11 to rotate flexibly through the bearing, ensuring that the stirring and oxygenating component 6, driven by the magnetic drive component 7, is not restricted by the position of the frequency converter 9 and can stably and smoothly carry out stirring and oxygenation work, ensuring that the scallion seeds are fully exposed to oxygen and soaking solution during the soaking process, thereby improving the soaking effect.

[0039] Secondly, the bearings provide stable support, reducing the shaking and offset of the hollow shaft 11 during rotation, making the entire seed soaking device operate more smoothly. In long-term use, this reduces the risk of wear and failure caused by component shaking, extends the equipment's service life, and ensures the continuous and stable operation of seed soaking.

[0040] Furthermore, the gas supply pipe 12 passes through the rotating seat 10 and is inserted into the hollow rotating shaft 11, and a seal is provided at the contact point between the two to effectively prevent gas leakage. This ensures that the oxygen generated by the variable frequency aerator 9 is stably transmitted to the stirring and aeration component 6 through the gas supply pipe 12 and the hollow rotating shaft 11, continuously oxygenating the soaking solution, maintaining the oxygen environment required during the soaking process, and promoting healthy seed germination.

[0041] Finally, during the operation of the seed soaking device, the rotating seat 10 and the hollow rotating shaft 11 may rotate relative to each other or change position. The design of the gas supply pipe 12 passing through the rotating seat 10 allows the gas supply pipe 12 to maintain its connection with the hollow rotating shaft 11 under such dynamic conditions, ensuring that the gas supply is not affected and improving the reliability and adaptability of the device operation.

[0042] In this embodiment, the sealing element is a sealing ring.

[0043] The bearings and seals mentioned are all common standardized products on the market, and their technical principles and installation methods are well known to industry professionals. Therefore, they will not be described in detail in this embodiment.

[0044] The telescopic support assembly includes an electric telescopic rod 31 fixedly installed on the top of the base 1. A support plate 32 is fixedly installed on the telescopic end of the electric telescopic rod 31. A damping shaft 33 is rotatably connected above the support plate 32. A mounting frame 34 is fixedly connected to the damping shaft 33. The variable frequency aerator 9 is fixedly installed at the bottom of the mounting frame 34.

[0045] With this design, firstly, the electric telescopic rod 31 works in conjunction with the damping rotating shaft 33 to precisely adjust the height and angle of the variable frequency aerator 9 according to the state of the soaking tank 4, the number of seeds, and the soaking stage, thereby achieving full-space, targeted aeration and improving the aeration effect.

[0046] Secondly, the electric telescopic rod 31 buffers vibration, and the damping shaft 33 fixes the angle, reducing the impact of vibration on precision components, ensuring stable and continuous oxygenation work, and extending the equipment life.

[0047] In this embodiment, the electric telescopic pole 31 is a YNS series product from Nanjing Yongnuo Transmission Equipment Co., Ltd.

[0048] The electric telescopic rod 31 and the damping shaft 33 are both common standardized products on the market. Their technical principles and installation methods are well known to industry technicians. Therefore, they will not be described in detail in this embodiment.

[0049] The bottom inner wall of the seed soaking tank 4 has a frustum-shaped structure, with the upper end being the larger diameter end and the lower end being the smaller diameter end. The diameter of the seed soaking net 5 is equal to the diameter of the smaller diameter end of the bottom inner wall of the seed soaking tank 4.

[0050] The bottom of the seed soaking net tank 5 is provided with a plurality of support legs 51 arranged in a ring at intervals near the edge, and the bottom of the support legs 51 is in contact with the small diameter end of the inner wall of the bottom of the seed soaking tank 4.

[0051] This design allows the soaking solution to collect at the bottom of the frustum-shaped soaking tank 4. Combined with a suitable soaking net tank 5, this ensures that the seeds are fully immersed in a uniformly concentrated soaking solution, while also facilitating quick seed placement and removal.

[0052] Secondly, the round bottom of the tank facilitates the complete drainage of the soaking solution, reducing residue; the supporting legs 51 of the soaking net tank 5 create space, further promoting liquid flow, ensuring uniform soaking, and avoiding the mixing of new and old solutions from affecting the effect.

[0053] Furthermore, the ring support leg 51 of the seed soaking net tank 5 contacts the bottom of the tank, distributing the weight, preventing tilting and tipping, maintaining stability during stirring and aeration, avoiding seed damage, and extending the service life of the net tank.

[0054] Finally, the bottom of the frustum tank works in conjunction with the stirring and oxygenation component 6 to optimize the flow path of the soaking solution, so that the vortex acts evenly on the seeds, and the stable mesh bucket ensures uniform stirring and oxygenation, thereby improving the germination rate and quality of the seeds.

[0055] The bottom of the mounting bracket 34 is symmetrically provided with mounting rods 13 on both sides of the variable frequency aerator 9. The bottom of the mounting rods 13 is fixedly installed with the same seed soaking tank cover 14, and a sealing ring is installed at the edge of the seed soaking tank cover 14.

[0056] This design has several advantages. First, the sealing ring installed at the edge of the soaking tank lid 14 can fit tightly against the opening of the soaking tank 4, forming a good seal. This effectively prevents the soaking solution from overflowing during the soaking process, especially when the stirring and aeration component 6 causes fluctuations in the soaking solution, thus avoiding waste and pollution of the working environment. Simultaneously, the sealed environment helps maintain the stability of the soaking solution's composition, reduces the entry of external impurities, and ensures optimal soaking results.

[0057] Secondly, the mounting rods 13 symmetrically arranged at the bottom of the mounting frame 34 are fixedly connected to the seed soaking tank cover 14, forming a stable overall structure with the seed soaking tank cover 14, the mounting frame 34, the variable frequency aerator 9, and other components. This symmetrical connection method distributes the weight of the components above the device, making the entire device more evenly stressed during operation, reducing shaking and displacement, providing stable support for the seed soaking tank 4, and protecting the seeds from damage caused by device instability.

[0058] Furthermore, the seed soaking tank cover 14 is connected to the mounting bracket 34 via the mounting rod 13, thereby facilitating the quick opening and closing of the seed soaking tank 4.

[0059] The stirring and oxygenating assembly 6 includes an air distribution turntable 61, which is fixedly connected to the hollow rotating shaft 11. Multiple stirring and aeration rods 62 are evenly spaced at the bottom of the air distribution turntable 61 near its edge and along its circumference.

[0060] The stirring and venting rod 62 is a hollow rod made of magnetic material, and multiple venting holes are evenly opened through the outer wall of the stirring and venting rod 62.

[0061] With this design, firstly, the air distribution turntable 61 is fixedly connected to the hollow rotating shaft 11. The oxygen generated by the variable frequency aerator 9 is transmitted to the air distribution turntable 61 through the hollow rotating shaft 11, and then diffused into the soaking solution through the evenly distributed stirring and ventilation rods 62. This allows the oxygen to evenly cover all areas inside the soaking tank 4, avoiding local oxygen deficiency and ensuring that the seeds receive a sufficient and uniform oxygen supply during the soaking process, providing good conditions for the seeds' respiration and metabolism.

[0062] Secondly, multiple stirring and aeration rods 62 are evenly spaced along the circumference of the air distribution turntable 61. When the air distribution turntable 61 rotates, the stirring and aeration rods 62 rotate accordingly, generating stirring forces in multiple directions on the soaking solution. This causes the soaking solution to form more complex eddies, improving the uniformity and intensity of stirring. As a result, it can better promote the uniform distribution of nutrients and agents in the soaking solution, allowing the seeds to fully contact the effective substances in the soaking solution, improving the soaking effect, and helping the seeds to better absorb nutrients, thus preparing them for germination and growth.

[0063] Furthermore, the stirring and aeration rod 62 is made of magnetic material. When the magnetic drive assembly 7 is working, the stirring and aeration rod 62 made of magnetic material can work synergistically with the magnetic drive assembly 7 to make the rotation of the stirring and aeration assembly 6 more stable and efficient.

[0064] In this embodiment, the magnetic material is a permanent magnet ferrite or a neodymium iron boron (NdFeB) permanent magnet.

[0065] In this embodiment, the magnetic material is a mature existing technology, and its principles and characteristics are well known to those skilled in the art. Therefore, it will not be described in detail in this embodiment.

[0066] The surface of the stirring and venting rod 62 is provided with an anti-corrosion coating.

[0067] This design allows the anti-corrosion coating to form a robust barrier on the surface of the stirring and venting rod 62, isolating the rod from the immersion solution and preventing corrosive substances from directly contacting the rod. This slows down the corrosion rate of the material, significantly extends the service life of the stirring and venting rod 62, and reduces the cost and time wasted due to frequent replacements of damaged components.

[0068] The magnetic drive assembly 7 includes a magnetic ring 72 that is horizontally rotatably disposed in the fixed base 2, and the magnetic ring 72 is located directly below the stirring and venting rod 62. A motor 71 is connected to the bottom of the magnetic ring 72, and the motor 71 is fixedly disposed in the base 1.

[0069] This design allows the magnetic ring 72 to rotate horizontally within the fixed base and be positioned directly below the stirring and aeration rod 62, enabling the magnetic lines of force to pass vertically through the stirring and aeration rod 62, thus achieving efficient magnetic coupling transmission. Compared to other transmission methods, magnetic transmission eliminates the need for direct contact, reducing mechanical wear and energy loss. It also avoids transmission instability caused by poor contact or wear, ensuring that the stirring and aeration rod 62 rotates at a stable speed, providing continuous and uniform stirring and aeration for the soaking process.

[0070] Secondly, the motor 71 is fixed inside the base and relatively isolated from the external environment, which can effectively prevent impurities such as soaking solution and dust from entering the motor 71, reduce the risk of short circuits, corrosion and other failures of the motor 71, and extend the service life of the motor 71. Moreover, this design allows each component of the magnetic drive assembly 7 to be reasonably placed and protected, reducing the possibility of damage to the components caused by external collisions or interference, and improving the reliability and stability of the entire device.

[0071] In this embodiment, the motor 71 is a Buke 2S56Q-0404; the magnetic ring 72 is a product manufactured by Dongguan Kariqi Magnetoelectric Technology Co., Ltd.

[0072] The motor 71 and magnetic ring 72 are both common standardized products on the market, and their technical principles and installation methods are well known to industry technicians. Therefore, they will not be described in detail in this embodiment.

[0073] A drain pipe 15 is fixedly connected to the outer wall of the seed soaking tank 4 near its bottom, and a valve 16 is provided on the drain pipe 15 to control its opening and closing.

[0074] With this design, firstly, when the soaking is complete or the soaking solution needs to be replaced, the drain pipe 15 and valve 16 are opened, and the soaking tank 4 is quickly emptied by gravity to prepare for the injection of new solution, ensuring a suitable soaking environment for the seeds and improving the soaking effect.

[0075] Secondly, the drain pipe is designed near the bottom of the tank, which can drain the soaking solution to the maximum extent, reduce the risk of residual bacteria growth, avoid the mixing of old and new solutions from affecting the seeds, ensure the purity and effectiveness of the soaking, and improve the germination rate and quality.

[0076] Furthermore, when cleaning the seed soaking tank 4, the drain pipe 15 can serve as a wastewater discharge channel, which facilitates the thorough cleaning of impurities and dirt inside the tank. At the same time, it is convenient to check the status of the drain pipe 15 and valve 16, and to repair or replace them in a timely manner, ensuring the normal operation of the device and extending its service life.

[0077] Finally, the combination of drain pipe 15 and valve 16 allows for flexible control of the soaking solution discharge as needed. Whether it is partial adjustment of concentration or complete emptying, the operation is simple, requires no complicated tools, improves operational efficiency, reduces labor intensity, and optimizes the soaking process.

[0078] For specific use, the first step is to evenly place the scallion seeds into the soaking net bucket 5. The support legs 51 at the bottom of the soaking net bucket 5 make it stable at the small diameter end of the bottom of the soaking tank 4, ensuring that there is a stirring space between the net bucket and the tank wall.

[0079] Step 2: Pour an appropriate amount of soaking solution, such as water or chemical solution, into the soaking tank 4. The liquid surface should completely submerge the seeds, but not exceed the upper edge of the soaking net tank 5.

[0080] Step 3: Push the seed soaking tank cover 14. The seed soaking tank cover 14 drives the mounting bracket 34 to rotate around the damping shaft 33, thereby moving the stirring and oxygenation component 6 directly above the seed soaking tank 4.

[0081] Step 4: Adjust the electric telescopic rod 31 so that the support plate 32 drives the mounting bracket 34 to descend until the seed soaking tank cover 14 completely covers the seed soaking tank 4, and ensures a tight seal through the edge sealing ring to prevent liquid splashing or oxygen leakage.

[0082] Step 4: Turn on the motor 71 inside the fixed base 2, which drives the horizontal magnetic ring 72 on the vertical output shaft to rotate. Since the stirring and aeration rod 62 is made of magnetite, the magnetic ring 72 drives the air distribution turntable 61 and its connected stirring and aeration rod 62 to rotate synchronously through magnetic coupling.

[0083] The rotating stirring and aeration rod 62 creates a vortex in the soaking solution, achieving the following functions: ensuring that the seeds are evenly contacted with the soaking solution and avoiding accumulation; and preventing the formation of a bacterial film by rinsing the seed surface with water.

[0084] Step 5: Start the variable frequency aerator 9 to drive it to work. Oxygen is delivered through the following path: variable frequency aerator 9 → air supply pipe 12 → hollow rotating shaft 11 → air distribution disc 61 → stirring and venting rod 62 → venting hole. Oxygen is released from the venting hole of the stirring rod in the form of microbubbles and diffuses evenly to the entire seed soaking area with the rotation, significantly improving dissolved oxygen efficiency.

[0085] Step 6: After soaking, open valve 16 on drain pipe 15. The soaking solution will be discharged from the small diameter end of the bottom of the frustum-shaped tank to avoid residue.

[0086] Step 7: Raise the electric telescopic rod 31, remove the seed soaking tank cover 14, and move the stirring and aeration unit into the seed soaking tank 4.

[0087] Step 8: Push the seed soaking tank cover 14. The seed soaking tank cover 14 drives the mounting bracket 34 to rotate around the damping shaft 33, thereby moving the stirring and oxygenation component 6 to one side of the seed soaking tank 4 and directly removing the seed soaking net bucket 5.

[0088] For those skilled in the art, any changes, modifications, substitutions, and variations made to the implementation methods without departing from the principles and spirit of this utility model, based on the teachings of this utility model, still fall within the protection scope of this utility model.

Claims

1. A seed soaking device for green onion seedling raising, comprising a base (1), a fixed seat (2) and a telescopic rotary support assembly (3) fixedly arranged at the top of the base (1), characterized in that: The top of the fixed seat (2) is provided with a seed soaking tank (4), the seed soaking tank (4) is provided with a seed soaking net barrel (5), a stirring and oxygenating assembly (6) is arranged between the seed soaking tank (4) and the seed soaking net barrel (5), a magnetic drive assembly (7) is arranged below the seed soaking tank (4) and drives the stirring and oxygenating assembly (6) to rotate, a telescopic rotary supporting assembly (3) is fixedly connected with a frequency conversion oxygenator (9), the bottom of the frequency conversion oxygenator (9) is fixedly connected with a rotary seat (10), the bottom of the rotary seat (10) is rotatably connected with a hollow rotating shaft (11), a gas conveying pipe (12) of the frequency conversion oxygenator (9) penetrates through the rotary seat (10) and is inserted into the hollow rotating shaft (11), and the hollow rotating shaft (11) is fixedly communicated with the stirring and oxygenating assembly (6).

2. The seed soaking device for raising green onions according to claim 1, characterized in that: The telescopic rotary supporting assembly (3) comprises an electric telescopic rod (31) fixedly installed at the top of the base (1), a supporting plate (32) is fixedly installed at the telescopic end of the electric telescopic rod (31), a damping rotating shaft (33) is rotatably connected above the supporting plate (32), and a mounting rack (34) is fixedly connected to the damping rotating shaft (33).

3. The seed soaking device for raising green onions according to claim 1, characterized in that: The bottom inner wall of the seed soaking tank (4) is in a circular truncated cone structure, the upper end is a large-diameter end, and the lower end is a small-diameter end, and the diameter of the seed soaking net barrel (5) is equal to the diameter of the small-diameter end of the bottom inner wall of the seed soaking tank (4).

4. The seed soaking device for raising green onions according to claim 3, characterized in that: A plurality of supporting legs (51) are arranged in an annular and spaced manner at the bottom of the seed soaking net barrel (5) close to the edge position, and the bottom of the supporting leg (51) is in contact with the small-diameter end of the bottom inner wall of the seed soaking tank (4).

5. The seed soaking device for raising green onions according to claim 2, characterized in that: A mounting rod (13) is symmetrically arranged at the bottom of the mounting rack (34) on both sides of the frequency conversion oxygenator (9), a same seed soaking tank cover (14) is fixedly installed at the bottom of the mounting rod (13), and a sealing ring is installed at the edge of the seed soaking tank cover (14).

6. The seed soaking device for raising green onions according to claim 1, characterized in that: The stirring and oxygenating assembly (6) comprises a gas distribution disc (61) fixedly communicated with the hollow rotating shaft (11), and a plurality of stirring and aeration rods (62) are uniformly and spacedly communicated at the bottom of the gas distribution disc (61) close to the edge position and along the circumferential direction thereof.

7. The seed soaking device for raising green onions according to claim 6, characterized in that: The stirring and aeration rod (62) is a hollow rod made of magnetic material, and a plurality of downwardly inclined gas injection holes are uniformly formed in the outer sidewall of the stirring and aeration rod (62).

8. The seed soaking device for raising green onions according to claim 1, characterized in that: The magnetic drive assembly (7) comprises a magnetic ring (72) rotatably arranged in the fixed seat (2) and located directly below the stirring and aeration rod (62), and a motor (71) is drivingly connected to the bottom of the magnetic ring (72) and fixedly arranged in the base (1).

9. The seed soaking device for raising green onions according to claim 1, characterized in that: A liquid discharge pipe (15) is fixedly communicated with the outer sidewall of the seed soaking tank (4) close to the bottom position thereof, and a valve (16) is arranged on the liquid discharge pipe (15) to control the opening and closing thereof.

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