Plant cultivation device for facilitating seedling transplantation

By setting up a limit cylinder and a liquid supply assembly in the plant culture device, the seedling root system is guided to grow downward, and the seedlings are clamped out using a seedling lifter, the problem of root damage during seedling transplantation is solved, and the transplant survival rate and efficiency are improved.

CN118872520BActive Publication Date: 2025-02-14INNER MONGOLIA AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202411364891.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-02-14
Estimated Expiration
2044-09-29

AI Technical Summary

Technical Problem

Seedlings are prone to damage the root system during transplantation, resulting in a decrease in water absorption and nutrient capacity, increasing the slow-sucking period, and reducing the transplant survival rate.

Method used

A plant culture device is designed, including an upper incubator and a lower incubator, and the culture assembly includes a root control culture section and a seedling section. By setting a limit cylinder and a liquid supply assembly in the plant culture cavity, water or nutrient solution is injected into the bottom of the seedling root system to guide the root system to grow downward, and the seedlings are clamped out using a seedling lifter during seedlings to reduce root damage.

Benefits of technology

It greatly reduces the probability of damage to the seedling root system during the transplantation process, and improves the survival rate and efficiency of seedling transplantation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a plant cultivation device for facilitating seedling transplantation, and specifically relates to the field of plant cultivation technology, including an upper cultivation box and a lower cultivation box, wherein a cultivation component is arranged inside the upper cultivation box, and the cultivation component includes a cultivation part and a seedling lifting part, wherein the cultivation part is used for controlling the root cultivation of the seedling, and the seedling lifting part is arranged at the top of the cultivation part, and is convenient for lifting the seedling for seedling transplantation, wherein the cultivation part includes a plant cultivation tray, wherein the interior of the plant cultivation tray is divided into a plurality of plant cultivation chambers, and a liquid supply component is fixed at the bottom end of each plant cultivation chamber, and is convenient for infusing water or nutrient solution from the bottom of the seedling root system to guide the extension direction of the seedling root system. The present invention greatly reduces the probability of damaging the seedling root system during transplantation and improves the survival rate of seedling transplantation by guiding the growth of the seedling root system.
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Description

Technical Field

[0001] The invention relates to the technical field of plant cultivation, and in particular to a plant cultivation device which is convenient for transplanting seedlings. Background Art

[0002] Plant cultivation is a plant growth and propagation technology carried out under artificially controlled conditions. First, choose soil with good air permeability and add organic fertilizer to improve soil fertility when necessary. Then spread the seeds evenly on the soil surface and gently compact with your fingers to ensure that the seeds are in contact with the soil. Then cover with a thin layer of soil for seed sowing. When the seedlings grow to an appropriate size, they need to be transplanted into soil with sufficient space.

[0003] At present, when seedlings are removed from plant cultivation, they need to be dug out first, that is, the seedlings are dug out with a shovel to ensure that the root system is intact, and then transplanted into the soil. Since the root system of the seedlings is located in the soil, it is difficult for personnel to accurately judge the position and state of the seedling root system when digging the seedlings, so there is a risk of damaging the root system during digging. The root system is a key part for plants to absorb water and nutrients. Once damaged, the seedlings will reduce their ability to absorb water and nutrients, increase the seedling period, and thus slow down the overall growth rate of the plant. In addition, root damage will make plants more susceptible to pathogens, reduce their resistance, and reduce the survival rate of seedling transplantation. Based on the above problems, the present invention proposes a plant cultivation device that is convenient for seedling transplantation. Summary of the invention

[0004] The purpose of the present invention is to provide a plant cultivation device which is convenient for transplanting seedlings. By guiding the growth of the seedling root system, the probability of damaging the seedling root system during transplantation is greatly reduced, and the survival rate of the seedling transplantation is improved.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a plant cultivation device which is convenient for transplanting seedlings, comprising an upper culture box and a lower culture box, wherein a cultivation component is arranged inside the upper culture box, and the cultivation component comprises a cultivation part and a seedling lifting part, wherein the cultivation part is used for root control cultivation of seedlings; and the seedling lifting part is arranged at the top of the cultivation part, which is convenient for lifting the seedlings so as to facilitate transplanting the seedlings.

[0006] The culture part includes a plant culture tray, the interior of the plant culture tray is divided into a plurality of plant culture chambers, and a liquid supply component is fixed at the bottom of each plant culture chamber to inject water or nutrient solution from the bottom of the seedling root system to guide the extension direction of the seedling root system.

[0007] Preferably, the liquid supply assembly includes a limiting cylinder fixed to the bottom end of the interior of the plant culture cavity, an infusion tube is fixed to the bottom end of the interior of the limiting cylinder, and the infusion tube extends out of the bottom of the plant culture tray, and the plant seeds are sown above the limiting cylinder in the plant culture cavity; a serpentine liquid supply tube is provided at the bottom of the plant culture tray, and the bottoms of multiple infusion tubes are fixedly connected to the serpentine liquid supply tube, so as to facilitate the simultaneous infusion of water or nutrient solution into multiple limiting cylinders, so as to guide the roots of the seedlings to grow towards the water or nutrient solution.

[0008] Preferably, an isolation filter is fixed inside each limiting cylinder and at the top of the infusion tube to block the soil and prevent the soil from clogging the infusion tube opening, and a one-way valve is fixed on the top of each infusion tube.

[0009] Preferably, a supply box is fixed inside the lower incubator, and the plant growth water or nutrient solution in the supply box is pumped into the serpentine supply pipe, so as to facilitate the simultaneous delivery of water or nutrient solution to multiple infusion pipes.

[0010] Preferably, the seedling lifting part includes a movable horizontal plate, and a plurality of groups of seedling lifting components are arranged front to back at the bottom of the movable horizontal plate; the seedling lifting components include a threaded rod, and a plurality of groups of seedling lifters are arranged left to right on the threaded rod, and a plurality of plant culture cavities are distributed in a rectangular array inside the plant culture tray, and each group of seedling lifters is respectively arranged at the top of each plant culture cavity.

[0011] Preferably, the seedling lifter includes two semi-cylinders, which are combined into a cylinder, and a semi-conical cylinder is fixed at the bottom of each semi-cylinder. The two semi-conical cylinders are combined into a truncated cone cylinder, and the inner diameter of the bottom opening of the truncated cone cylinder is larger than the inner diameter of the top opening, and the inner diameter of the cylinder is the same as the inner diameter of the top opening of the truncated cone cylinder. When lifting seedlings, as the truncated cone cylinder is inserted into the soil in the limiting cylinder, the inner diameter of the truncated cone cylinder gradually becomes smaller, so that the soil in the truncated cone cylinder is gradually compacted, thereby increasing the friction between the soil and the inner wall of the truncated cone cylinder, making it easier to clamp out the soil and seedlings.

[0012] Preferably, each truncated cone-shaped cylinder is respectively arranged directly above each limiting cylinder, and the outer diameter of the bottom of the truncated cone-shaped cylinder is the same as the inner diameter of the limiting cylinder. When removing seedlings, it is convenient for the truncated cone-shaped cylinder to be inserted into the limiting cylinder along the inner wall of the limiting cylinder to avoid damaging the roots of the seedlings in the limiting cylinder.

[0013] Preferably, the tops of the two semi-cylinders are provided with the same fixed block, the bottom of the fixed block is fixed with a connecting round block, and the connecting round block is provided at the tops of the inner sides of the two semi-cylinders, and the tops of the outer sides of the two semi-cylinders are respectively rotatably connected to the bottoms of the fixed blocks; connecting rods are provided on the outer sides of the two semi-cylinders, and threaded cylinders are provided on the tops of the two connecting rods, the threaded cylinders are threadedly connected to the threaded rods, and the two threaded cylinders move in opposite directions, and the two ends of the connecting rods are respectively rotatably connected to the outer walls of the semi-cylinders and the outer walls of the threaded cylinders, so as to facilitate the opening and closing of the two semi-cylinders and the two semi-conical cylinders for lifting seedlings.

[0014] Preferably, a plurality of plant growth lamps are fixed at the bottom of each movable horizontal board, and the plurality of plant growth lamps on each movable horizontal board are alternately distributed with the plurality of threaded rods; one end of the plurality of threaded rods on each movable horizontal board is rotatably connected to one side of the inner wall of the movable horizontal board, and the other ends of the plurality of threaded rods are transmission connected to achieve synchronous rotation; the culture component is provided with at least one group, and when the number of culture components is set to more than one group, the culture components are arranged up and down in the upper incubator, and a driving device for driving the topmost movable horizontal board to rise and fall is fixed on the top of the upper incubator, and the movable horizontal boards in the plurality of seedling lifting parts are fixed by connecting rods to achieve synchronous lifting of the plurality of seedling lifting parts.

[0015] Preferably, both ends of the plant culture tray are fixed with hanging handles, and both sides of the inner wall of the upper incubator are fixed with hanging rods for hanging the hanging handles, so as to facilitate the taking and placing of the plant culture tray.

[0016] In the above technical solution, the technical effects and advantages provided by the present invention are:

[0017] 1. By inputting water or nutrient solution into the limiting cylinder from the bottom of the limiting cylinder, the nutrient solution in the soil at the bottom of the limiting cylinder is the most sufficient. Due to the hygrotropism of the roots, the roots of the seedlings are guided to grow downward in the limiting cylinder to prevent the roots from extending outward. The probability of damaging the roots of the seedlings during subsequent transplanting is greatly reduced, and the survival rate of seedling transplantation is improved;

[0018] 2. The seedling lifter is inserted into the soil of the limiting cylinder along the inner wall of the limiting cylinder. As the soil in the seedling lifter is gradually compacted, the friction between the soil and the inner wall of the seedling lifter is increased, making it easier for the seedling lifter to clamp out the seedlings. Multiple seedlings can be lifted at one time, and the probability of damaging the seedling roots is greatly reduced, thereby improving the efficiency of seedling transplantation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the overall structure diagram of the present invention;

[0020] Figure 2 This is a diagram showing the internal structure of the plant cultivation device of the present invention;

[0021] Figure 3 It is a structural diagram of the culture component of the present invention;

[0022] Figure 4 It is a top view of the structure of the culture part of the present invention;

[0023] Figure 5 It is a bottom view of the structure of the culture part of the present invention;

[0024] Figure 6 It is a front cross-sectional view of the culture part of the present invention;

[0025] Figure 7It is a front view of the seedling lifting part of the present invention;

[0026] Figure 8 It is a bottom view of the seedling raising part of the present invention;

[0027] Fig. 9 It is a cross-sectional view of the seedling lifting device of the present invention;

[0028] Fig.10 It is a schematic diagram of the working process of the culture component of the present invention.

[0029] Description of reference numerals:

[0030] 1. Upper incubator; 2. Lower incubator;

[0031] 3. Cultivation part; 31. Plant cultivation tray; 32. Plant cultivation chamber; 33. Liquid supply assembly; 34. Serpentine liquid supply tube; 331. Limiting cylinder; 332. Infusion tube; 333. Isolation filter;

[0032] 4. Seedling raising part; 41. Movable horizontal plate; 42. Seedling raising assembly; 43. Plant growth lamp;

[0033] 421, threaded rod; 422, seedling lifter; 4221, semi-circular cylinder; 4222, semi-truncated cone cylinder; 4223, fixed block; 4224, connecting round block; 4225, threaded cylinder; 4226 connecting rod;

[0034] 5. Supply box. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] The present invention provides Figure 1-2 A plant cultivation device for facilitating transplantation of seedlings is shown, comprising an upper cultivation box 1 and a lower cultivation box 2. A cultivation assembly is arranged inside the upper cultivation box 1. The cultivation assembly comprises a cultivation part 3 for controlling the roots of the seedlings.

[0037] Specifically, Figure 3-6 As shown, the culture part 3 includes a plant culture tray 31 , both ends of the plant culture tray 31 are fixed with hanging handles, and both sides of the inner wall of the upper culture box 1 are fixed with hanging rods for hanging the hanging handles, so as to facilitate the taking and placing of the plant culture tray 31 .

[0038] The interior of the plant culture tray 31 is divided into a plurality of plant culture chambers 32, and each plant seed is planted separately to avoid interference between the roots of the plant seedlings during their growth. A liquid supply component 33 is fixed to the bottom of each plant culture chamber 32 to inject water or nutrient solution from the bottom of the seedling roots to guide the extension direction of the seedling roots.

[0039] The liquid supply assembly 33 includes a limiting cylinder 331 fixed to the bottom end of the plant culture chamber 32, an infusion tube 332 is fixed to the bottom end of the limiting cylinder 331, and the infusion tube 332 extends out of the bottom of the plant culture tray 31, and the plant seeds are sown above the limiting cylinder 331 in the plant culture chamber 32. A serpentine liquid supply tube 34 is provided at the bottom of the plant culture tray 31, and the bottoms of multiple infusion tubes 332 are fixedly connected to the serpentine liquid supply tube 34. A supply box 5 is fixed inside the lower culture box 2, and the serpentine liquid supply tube 34 can be connected to the pump in the supply box 5 through a water pipe (the water pipe can pass through the bottom of the upper culture box 1 and extend into the upper culture box 1, and the water pipe and the serpentine liquid supply tube 34 can be connected through The pipe joint is quickly disassembled and assembled, and the water pipe should not hinder the operation of the mechanism in the upper incubator 1). The water or nutrient solution for plant growth in the supply box 5 is pumped into the serpentine liquid supply pipe 34, which is convenient for simultaneously injecting water or nutrient solution into multiple limiting cylinders 331 to soak the soil in the limiting cylinders 331, and guide the seedling roots to grow in the direction of water or nutrient solution through the water-tropism of the plant, that is, the seedling roots grow downward in the limiting cylinder 331. In actual use, the limiting cylinder 331 can be made of a mesh material, and a circle of waterproof and breathable film is attached to the outer wall of the mesh limiting cylinder 331, so that the soil in the limiting cylinder 331 is ventilated and the water in the soil will not flow outward, so as to improve the soil permeability.

[0040] In order to avoid the problem of easy pipe blockage in the existing drip irrigation technology directly to the plant root system, such as Figure 4 and 6 As shown, the present invention has a one-way valve fixed on the top of each infusion tube 332 to prevent water or nutrient solution from flowing back and clogging the infusion tube 332. An isolation filter 333 is also fixed inside each limiting cylinder 331 and located on the top of the infusion tube 332 to block soil from entering the infusion tube 332 and prevent the soil from clogging the tube mouth of the infusion tube 332.

[0041] To facilitate transplanting of seedlings, Figure 1-3 As shown, each group of culture components also includes a seedling raising part 4, which is arranged on the top of the culture part 3 to facilitate raising the seedlings for transplanting.

[0042] Specifically, Figure 7-9 As shown, the seedling lifting part 4 includes a movable horizontal plate 41, and a plurality of seedling lifting components 42 arranged front to back are provided at the bottom of the movable horizontal plate 41. The seedling lifting components 42 include a threaded rod 421, and a plurality of seedling lifters 422 arranged left to right are provided on the threaded rod 421. A plurality of plant culture cavities 32 are distributed in a rectangular array inside the plant culture tray 31, and each group of seedling lifters 422 is respectively arranged at the top of each plant culture cavity 32.

[0043] The seedling lifter 422 includes two semi-cylinders 4221, which are combined into a cylinder. A semi-conical cylinder 4222 is fixed at the bottom of each semi-cylinder 4221. The two semi-conical cylinders 4222 are combined into a truncated cone cylinder. The inner diameter of the bottom opening of the truncated cone cylinder is larger than the inner diameter of the top opening, and the inner diameter of the cylinder is the same as the inner diameter of the top opening of the truncated cone cylinder. Each truncated cone cylinder is respectively arranged directly above each limiting cylinder 331, and the outer diameter of the bottom of the truncated cone cylinder is the same as the inner diameter of the limiting cylinder 331.

[0044] The tops of the two semi-cylinders 4221 are provided with the same fixing block 4223, and the bottom of the fixing block 4223 is fixed with a connecting round block 4224, and the connecting round block 4224 is arranged on the inner tops of the two semi-cylinders 4221, and the outer tops of the two semi-cylinders 4221 are rotatably connected to the bottoms of the fixing blocks 4223 respectively; the outer sides of the two semi-cylinders 4221 are provided with connecting rods 4226, and the tops of the two connecting rods 4226 are provided with threaded cylinders 4225, and the threaded cylinders 4225 are threadedly connected to the threaded rod 421, and the two threaded cylinders 4225 move in opposite directions (the threads of the two threaded cylinders 4225 connected to the threaded rod 421 are arranged in opposite directions, so that the two threaded cylinders 4225 can be driven to move in opposite directions when the threaded rod 421 rotates), and the two ends of the connecting rod 4226 are rotatably connected to the outer walls of the semi-cylinders 4221 and the outer walls of the threaded cylinders 4225 respectively, so as to facilitate the opening and closing of the two semi-cylinders 4221 and the two semi-conical cylinders 4222 for lifting seedlings.

[0045] A plurality of plant growth lamps 43 are fixed at the bottom of each movable horizontal plate 41, and the plurality of plant growth lamps 43 and the plurality of threaded rods 421 on each movable horizontal plate 41 are distributed alternately; the plant growth lamps 43 are artificial light sources, usually electric light sources, which can stimulate plant growth by emitting electromagnetic spectrum suitable for photosynthesis.

[0046] One end of the plurality of threaded rods 421 on each movable horizontal plate 41 can be rotatably connected to one side of the inner wall of the movable horizontal plate 41 through a bearing, and the other end of the plurality of threaded rods 421 is transmission-connected. The present invention lists an embodiment of the driving structure:

[0047] The other ends of the multiple threaded rods 421 can select a belt drive or chain drive structure commonly used in the prior art, and a protective shell is provided outside the belt drive or chain drive structure, and the protective shell is fixedly installed at the bottom of the other end of the movable horizontal plate 41 to protect the transmission structure, and one of the threaded rods 421 can be driven to rotate by installing a motor or other driving device on the movable horizontal plate 41, and the multiple threaded rods 421 on the movable horizontal plate 41 can be driven to rotate synchronously through the transmission structure. The above driving structure is a commonly used mechanical structure at present, and will not be described in detail in the present invention, and the present invention is not limited to the above-mentioned embodiment.

[0048] Moreover, the culture component of the present invention is provided with at least one group. When the number of culture components is set to more than one group, the culture components are arranged up and down in the upper culture box 1, and the movable horizontal plates 41 in the multiple groups of seedling lifting parts 4 in the present invention are fixed by connecting rods. A driving device for driving the topmost movable horizontal plate 41 to rise and fall is also fixed on the top of the upper culture box 1. The driving device can use an electric cylinder or a hydraulic cylinder commonly used in the prior art to achieve driving the multiple groups of seedling lifting parts 4 to rise and fall synchronously.

[0049] like Fig.10 As shown, the plant cultivation steps of the present invention are as follows:

[0050] S1: Fill each plant culture cavity 32 of the plant culture tray 31 with soil (some loose breathable materials such as coconut bran, peanut shells, pine needles, sawdust, pine bark, etc. can be added to the soil to increase the air permeability of the soil), then sow plant seeds above the limiting cylinder 331 in the plant culture cavity 32, then put the plant culture tray 31 into the upper incubator 1, and hang the hanging handle of the plant culture tray 31 on the hanging rod on the inner wall of the upper incubator 1, at this time, the seedling lifting part 4 is at the top of the plant culture tray 31;

[0051] Then water is poured into the plant culture chamber 32 from above to facilitate the rooting of the seeds. During this period, the plant growth lamp 43 can be turned on to supplement the light. After the seeds have taken root (the rooting time of the seeds is determined by common sense at present, and the rooting time of different plant seeds is different. For example, soybean seeds begin to take root 1-2 days after sowing, water spinach seeds take root within a few days to a week, and corn seeds take root within 3-5 days after planting), after the plant seeds have taken root, the root system can absorb nutrients from the soil to help them grow;

[0052] The pump in the supply box 5 is connected to the serpentine liquid supply pipe 34 by a water pipe, and nutrient solution is added to the supply box 5. After the nutrient solution is pumped into the serpentine liquid supply pipe 34, it is input into the limiting cylinder 331 through the infusion pipe 332 to soak the soil. In particular, the nutrient solution is most sufficient in the soil position at the bottom of the limiting cylinder 331 closest to the position of the infusion pipe 332. Due to the hygrotropism of the roots (the hygrotropism of the roots refers to the phenomenon that the plant root system can sense the uneven distribution of water in the soil and tend to grow towards the area with richer water. This is an important physiological characteristic of plants to adapt to the environment and helps plants to effectively absorb water and nutrients from the soil; the hygrotropism of the roots is crucial to the survival of plants. It allows plants to locate and extend their roots to moist soil areas in a water-scarce environment, thereby ensuring that the plants can obtain the necessary water to maintain life activities), the roots tend to grow towards the area with richer water, that is, the roots are guided to grow downward in the limiting cylinder 331 to avoid the roots from extending outwards, which is convenient for subsequent seedling transplantation;

[0053] When the plant seedlings need to be replenished with water, water is added to the supply box 5. The above method can also be used to replenish water for the seedling roots. Since the water is mainly concentrated in the lower part of the soil, it is beneficial to reduce evaporation and water loss on the soil surface, which is beneficial to maintaining the soil in a moderate state.

[0054] S2: When the seedlings grow up and need to be transplanted, the movable horizontal plate 41 is driven down to drive the seedling lifter 422 down, so that the truncated cone on the seedling lifter 422 is inserted into the soil of the limiting cylinder 331 along the inner wall of the limiting cylinder 331. At this time, the seedlings are in the truncated cone. As the truncated cone is inserted, the inner diameter of the truncated cone gradually decreases, so that the soil in the truncated cone is gradually compacted, increasing the friction between the soil and the inner wall of the truncated cone.

[0055] S3: Move the seedling lifter 422 out of the plant culture tray 31. The seedling lifter 422 can clamp out the soil and the seedlings. Since the roots of the seedlings tend to grow downward in the limiting cylinder 331, the probability of damaging the roots of the seedlings during lifting is greatly reduced.

[0056] S4: Then place the tray at the bottom of the seedling lifter 422, drive the threaded rod 421 on the movable horizontal plate 41 to rotate to drive the two threaded cylinders 4225 on one seedling lifter 422 to move away from each other, drive the connecting rod 4226 to pull apart the two semi-circular cylinders 4221 and the two semi-conical cylinders 4222, so that the cylinders and the conical cylinders are opened, so that the seedlings in all the seedling lifters 422 can fall into the tray, and then the seedlings can be transplanted.

[0057] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A plant cultivation device for facilitating seedling transplantation, comprising an upper cultivation box (1) and a lower cultivation box (2), characterized in that: The upper incubator (1) is provided with a culture component inside, and the culture component comprises: A cultivation section (3) for controlling the rooting of the seedlings; A seedling raising part (4), the seedling raising part (4) being arranged on the top of the culture part (3) to facilitate raising the seedlings so as to facilitate transplanting the seedlings; The culture portion (3) comprises a plant culture tray (31), the interior of the plant culture tray (31) being divided into a plurality of plant culture chambers (32), and a liquid supply component (33) is fixed to the bottom of each plant culture chamber (32) for injecting water or nutrient solution from the bottom of the seedling root system to guide the extension direction of the seedling root system; The liquid supply component (33) comprises a limiting cylinder (331) fixed to the bottom end of the plant culture cavity (32); an infusion tube (332) is fixed to the bottom end of the limiting cylinder (331); the infusion tube (332) extends out of the bottom of the plant culture tray (31); and plant seeds are sown above the limiting cylinder (331) in the plant culture cavity (32); The bottom of the plant culture tray (31) is provided with a serpentine liquid supply pipe (34), and the bottoms of the plurality of infusion pipes (332) are fixedly connected to the serpentine liquid supply pipe (34), so as to facilitate the simultaneous infusion of water or nutrient solution into the plurality of limiting cylinders (331); Each plant seed is planted separately to avoid mutual interference of the roots of the plant seedlings when they grow. The soil at the bottom of the limiting cylinder (331) closest to the position of the infusion tube (332) has the most abundant nutrient solution. Due to the hygrotropism of the roots, the roots tend to grow towards the area rich in water, that is, the roots are guided to grow downward in the limiting cylinder (331) to avoid the roots extending outwards in a tangled manner. The probability of damaging the roots of the seedlings during subsequent transplanting is greatly reduced, thereby improving the survival rate of the seedlings transplanted; The seedling raising part (4) comprises a movable horizontal plate (41), a plurality of seedling raising components (42) arranged front to back are provided at the bottom of the movable horizontal plate (41), the seedling raising components (42) comprise a threaded rod (421), and a plurality of seedling raising devices (422) arranged left to right are provided on the threaded rod (421), a plurality of plant culture cavities (32) are distributed in a rectangular array inside the plant culture tray (31), and each group of seedling raising devices (422) is respectively provided at the top of each plant culture cavity (32); The seedling lifter (422) comprises two semi-cylinders (4221), the two semi-cylinders (4221) are combined into a cylinder, a semi-conical cylinder (4222) is fixed at the bottom of each semi-cylinder (4221), the two semi-conical cylinders (4222) are combined into a truncated cone cylinder, the inner diameter of the bottom opening of the truncated cone cylinder is larger than the inner diameter of the top opening, and the inner diameter of the cylinder is the same as the inner diameter of the top opening of the truncated cone cylinder.

2. A plant cultivation device for facilitating seedling transplantation according to claim 1, characterized in that: An isolation filter (333) is fixed inside each limiting cylinder (331) and located at the top of the infusion tube (332) to block soil and prevent the soil from clogging the tube opening of the infusion tube (332), and a one-way valve is fixed on the top of each infusion tube (332).

3. A plant cultivation device for facilitating seedling transplantation according to claim 1, characterized in that: A supply box (5) is fixed inside the lower culture box (2), and plant growth water or nutrient solution in the supply box (5) is pumped into the serpentine liquid supply pipe (34).

4. A plant cultivation device for facilitating seedling transplantation according to claim 1, characterized in that: Each truncated cone-shaped cylinder is respectively arranged directly above each limiting cylinder (331), and the outer diameter of the bottom of the truncated cone-shaped cylinder is the same as the inner diameter of the limiting cylinder (331).

5. A plant cultivation device for facilitating seedling transplantation according to claim 1, characterized in that: The tops of the two semi-cylinders (4221) are provided with a same fixing block (4223), the bottom of the fixing block (4223) is fixed with a connecting round block (4224), and the connecting round block (4224) is provided at the inner tops of the two semi-cylinders (4221), and the outer tops of the two semi-cylinders (4221) are respectively rotatably connected to the bottom of the fixing block (4223); The two semi-cylinders (4221) are each provided with a connecting rod (4226) on the outside, and the tops of the two connecting rods (4226) are each provided with a threaded cylinder (4225), the threaded cylinder (4225) being threadedly connected to the threaded rod (421), and the two threaded cylinders (4225) move in opposite directions, and the two ends of the connecting rod (4226) are rotatably connected to the outer wall of the semi-cylinder (4221) and the outer wall of the threaded cylinder (4225), respectively, so as to facilitate the opening and closing of the two semi-cylinders (4221) and the two semi-cone-shaped cylinders (4222) for lifting seedlings.

6. A plant cultivation device for facilitating seedling transplantation according to claim 1, characterized in that: A plurality of plant growth lamps (43) are fixed to the bottom of each movable horizontal plate (41), and the plurality of plant growth lamps (43) and the plurality of threaded rods (421) on each movable horizontal plate (41) are alternately distributed; One end of a plurality of threaded rods (421) on each movable horizontal plate (41) is rotatably connected to one side of the inner wall of the movable horizontal plate (41), and the other ends of the plurality of threaded rods (421) are transmission-connected to achieve synchronous rotation; The culture components are provided with at least one group. When the number of culture components is provided with more than one group, the culture components are arranged up and down in the upper culture box (1), and a driving device for driving the topmost movable horizontal plate (41) to rise and fall is fixed on the top of the upper culture box (1), and the movable horizontal plates (41) in the multiple groups of seedling lifting parts (4) are fixed by connecting rods to achieve synchronous lifting of the multiple groups of seedling lifting parts (4).

7. A plant cultivation device for facilitating seedling transplantation according to claim 1, characterized in that: Hanging handles are fixed at both ends of the plant culture tray (31), and hanging rods for hanging the hanging handles are fixed on both sides of the inner wall of the upper culture box (1), so as to facilitate taking and placing the plant culture tray (31).

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