Three-dimensional planting frame for soilless culture

Abstract

The utility model discloses a three-dimensional planting frame for soilless culture, which belongs to the technical field of soilless culture and comprises a base plate, two symmetrically arranged support frames are fixedly connected to two ends of the base plate, and four culture liquid tanks arranged at equal intervals are sequentially and fixedly connected between the two support frames from top to bottom. The upper side of the base plate is fixedly connected with a nutrient solution box, the lower portions of one sides of the four cultivation liquid grooves are communicated with liquid discharging valve ports, one ends of the four liquid discharging valve ports are communicated with a backflow pipe, and the backflow pipe is communicated with a filtering and sewage discharging mechanism. According to the utility model, the filtration and automatic deslagging operations of the nutrient solution are realized by arranging the filtration and pollution discharge mechanism, so that the subsequent recycling is facilitated, materials are saved, the nutrient supplement treatment operation of the nutrient solution is simple, the manpower is saved, the use is convenient, and the uniformity of the mixing of the nutrient solution can be ensured by arranging the double-shaft stirring mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of soilless cultivation, in particular to a soilless cultivation three-dimensional planting frame. Background Art

[0002] Soilless cultivation is a modern seedling raising technology that uses peat, forest leaf mold, vermiculite and other lightweight materials as seedling substrate to fix plants, allowing plant roots to directly contact the nutrient solution, and adopts mechanized precision sowing to produce seedlings in one go. Soilless cultivation is a cultivation technology that does not use natural soil but uses nutrient solution containing essential elements for plant growth and development to provide nutrition, allowing plants to complete their entire life cycle normally. A three-dimensional planting rack is required during the soilless cultivation process.

[0003] In the three-dimensional planting frame for soilless cultivation in China (patent number: CN213246200U), the device includes a support frame, a planting trough, a connecting piece and a bracket. The support frame is a square tube or plate distributed in a herringbone shape, and the connecting pieces are installed on both sides of the support frame in a detachable manner. The connecting piece is a plate-shaped profile, and a strip-shaped protrusion is provided in the middle thereof, and the protrusion is provided with connecting holes evenly distributed along its length direction; the support frame is distributed in a herringbone shape, and the planting trough is correspondingly arranged on the support frame, which can effectively increase the lighting effect under the premise of three-dimensional planting, and the connecting piece and the bracket are arranged for fixing. The connecting piece has connecting holes evenly distributed along its length direction, and can be adjusted in height according to needs to ensure the horizontality of the planting frame. It is well known that in the process of soilless cultivation, when the nutrients in the nutrient solution are completely absorbed by the plants, it needs to be replaced. However, the device is not convenient for nutrient supplementation of the nutrient solution, which is a waste of manpower, and the nutrient solution after use cannot be filtered and reused, resulting in material waste. Summary of the invention

[0004] The purpose of the utility model is to provide a soilless cultivation three-dimensional planting frame to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soilless cultivation three-dimensional planting frame comprises a base plate, two symmetrically arranged support frames are fixedly connected at both ends of the base plate, four cultivation liquid tanks arranged at equal intervals are fixedly connected in sequence from top to bottom between the two support frames, a nutrient solution box is fixedly connected on the upper side of the base plate, one side lower part of the four cultivation liquid tanks are connected with drain valve ports, one end of the four drain valve ports are connected with a return pipe, a filtering and sewage discharge mechanism is connected on the return pipe, the lower end of the return pipe is connected with an upper part of one side of the nutrient solution tank, a liquid supply pump connected to the nutrient solution tank is fixedly connected on the upper side of the base plate, one end of the liquid supply pump is connected with a liquid guide pipe, one side of the liquid guide pipe located above the cultivation liquid tank is connected with a liquid outlet head, a double-axis stirring mechanism is provided in the nutrient solution tank, and a nutrient agent inlet is connected on the upper side of the nutrient solution tank.

[0006] As a further solution of the utility model: wherein, the filtering and sewage discharge mechanism includes a filter tank connected to the reflux pipe, the inner wall of the filter tank is fixedly connected with a filter screen, the lower end of the filter screen is connected with a slag discharge barrel, one side of the filter tank is fixedly connected with a servo motor, the main shaft end of the servo motor passes through the slag discharge barrel and is fixedly connected with a spiral discharge rod, and one side of the filter tank is provided with a slag discharge valve port connected with the slag discharge barrel.

[0007] As a further solution of the present invention: wherein, the filter element is arranged in an inverted cone structure.

[0008] As a further solution of the utility model: wherein, the outer side wall of the slag discharge tube is evenly provided with drainage holes.

[0009] As a further solution of the utility model: wherein, the dual-axis stirring mechanism includes a cover shell fixed on the upper side of the nutrient solution tank, the upper side of the cover shell is fixedly connected to a stirring motor, the main shaft end of the stirring motor passes through the cover shell and is fixedly connected to a driving gear, and two symmetrically arranged stirring shafts are inserted and rotatably connected to the upper side of the nutrient solution tank, the upper ends of the two stirring shafts are fixedly connected to a driven gear meshing with the driving gear, and the stirring shaft extends into the nutrient solution tank and is fixedly connected to a stirring bar.

[0010] As a further solution of the utility model: wherein, a through hole is opened on the upper side of the nutrient solution tank, and the through hole is rotatably connected to the stirring shaft through a waterproof bearing.

[0011] As a further solution of the utility model: wherein, a PLC controller is fixedly connected to the lower front part of one of the support frames, and the PLC controller is electrically connected to one end of the filtering and draining mechanism, the liquid supply pump and the dual-axis stirring mechanism respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The soilless cultivation three-dimensional planting rack is provided with a drainage valve port, a reflux pipe, a nutrient solution tank, a liquid supply pump, a liquid guide pipe and a liquid outlet head. When the nutrient solution in the cultivation liquid tank needs to be supplemented with nutrients, first, the drainage valve port is opened to guide the nutrient solution in the cultivation liquid tank into the reflux pipe, and then the nutrient solution is refluxed into the nutrient solution tank. Nutrients are added into the nutrient solution tank through the nutrient agent inlet to supplement the nutrients to the nutrient solution. Then, the liquid supply pump is started to guide the nutrient solution in the nutrient solution tank through the liquid guide pipe, and then the nutrient solution is respectively injected into the cultivation liquid tank through the liquid outlet head, so as to realize the nutrient supplementation of the nutrient solution. The operation is simple, manpower saving and convenient use.

[0014] 2. This soilless cultivation three-dimensional planting rack is equipped with a filtering and sewage discharge mechanism. When the nutrient solution falls into the filter tank from the reflux pipe, the nutrient solution can be filtered through the filtering effect of the filter mesh, and the residue falls into the slag discharge barrel. When the slag needs to be discharged, the slag discharge valve port is opened, the servo motor is started, and the spiral discharge rod is driven to rotate, so that the residue in the slag discharge barrel can be forced to be discharged from the slag discharge valve port, which is convenient for slag discharge and saves materials.

[0015] 3. This soilless cultivation three-dimensional planting rack is equipped with a double-axis stirring mechanism, which starts the stirring motor to drive the driving gear to rotate. Since the driving gear is respectively engaged with the two driven gears, it drives the two stirring shafts to rotate at the same time, and then drives the stirring bar to stir the nutrient solution in the nutrient solution tank, thereby ensuring the uniformity of the nutrient solution mixing and having a good stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure at point A;

[0019] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged structure at B.

[0020] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0021] 1. Base plate; 2. Support frame; 3. Cultivation liquid tank; 4. Nutrient solution tank; 5. Drain valve port; 6. Reflux pipe; 7. Liquid supply pump; 8. Liquid guide tube; 9. Liquid outlet head; 10. Nutrient inlet; 11. Filter tank; 12. Filter element; 13. Slag discharge cylinder; 14. Servo motor; 15. Spiral discharge rod; 16. Slag discharge valve port; 17. Cover; 18. Stirring motor; 19. Driving gear; 20. Stirring shaft; 21. Driven gear; 22. Stirring bar; 23. PLC controller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 In the practical embodiment, a soilless cultivation three-dimensional planting rack includes a base plate 1, two symmetrically arranged support frames 2 are fixedly connected at both ends of the base plate 1, four cultivation liquid tanks 3 arranged at equal intervals are fixedly connected from top to bottom between the two support frames 2, a nutrient solution tank 4 is fixedly connected to the upper side of the base plate 1, a drainage valve port 5 is connected to the lower part of one side of the four cultivation liquid tanks 3, one end of the four drainage valve ports 5 is connected to a return pipe 6, a filtering and draining mechanism is connected to the return pipe 6, the lower end of the return pipe 6 is connected to the upper part of one side of the nutrient solution tank 4, a liquid supply pump 7 connected to the nutrient solution tank 4 is fixedly connected to the upper side of the base plate 1, and one end of the liquid supply pump 7 is connected to a liquid guide pipe 8, which is located on the cultivation liquid tank 3. One side of the square liquid guide tube 8 is connected with a liquid outlet head 9, a biaxial stirring mechanism is provided in the nutrient solution tank 4, and a nutrient agent inlet 10 is connected to the upper side of the nutrient solution tank 4. When the nutrient solution in the cultivation liquid tank 3 needs to be supplemented with nutrients, first, the discharge valve 5 is opened to guide the nutrient solution in the cultivation liquid tank 3 into the reflux pipe 6, and the nutrient solution can be filtered and purified through the filtering and sewage discharge mechanism and returned to the nutrient solution tank 4. The nutrient agent is added to the nutrient solution tank 4 through the nutrient agent inlet 10 to supplement the nutrients to the nutrient solution, and then, the liquid supply pump 7 is started to work, and the nutrient solution in the nutrient solution tank 4 is guided out through the liquid guide tube 8, and then injected into the cultivation liquid tank 3 through the liquid outlet head 9, so as to realize the nutrient supplementation of the nutrient solution, which is simple to operate, saves manpower and is convenient to use.

[0024] like Figure 3As shown: the filtering and draining mechanism includes a filter tank 11 connected to the reflux pipe 6, the inner wall of the filter tank 11 is fixedly connected with a filter screen 12, the lower end of the filter screen 12 is connected with a slag discharge barrel 13, one side of the filter tank 11 is fixedly connected with a servo motor 14, the main shaft end of the servo motor 14 passes through the slag discharge barrel 13 and is fixedly connected with a spiral discharge rod 15, and one side of the filter tank 11 is provided with a slag discharge valve port 16 connected with the slag discharge barrel 13. When the nutrient solution falls into the filter tank 11 from the reflux pipe 6, the nutrient solution can be filtered through the filtering effect of the filter screen 12, and the residue falls into the slag discharge barrel 13. The filtered nutrient solution flows back to the nutrient solution tank 4 for recycling. When slag discharge is needed, the slag discharge valve port 16 is opened, the servo motor 14 is started to work, and the spiral discharge rod 15 is driven to rotate, so that the residue in the slag discharge barrel 13 can be forced to be discharged from the slag discharge valve port 16, which is convenient for slag discharge and saves materials.

[0025] like Figure 3 As shown, the filter element 12 is arranged in an inverted cone structure, so that the filtered residues can be concentrated and fall into the residue discharge tube 13.

[0026] like Figure 3 As shown: the outer wall of the slag discharge tube 13 is evenly provided with drainage holes to facilitate drainage and prevent liquid from accumulating in the slag discharge tube 13.

[0027] like Figure 4 As shown: the double-axis stirring mechanism includes a cover shell 17 fixed on the upper side of the nutrient solution tank 4, a stirring motor 18 is fixedly connected to the upper side of the cover shell 17, the main shaft end of the stirring motor 18 passes through the cover shell 17 and is fixedly connected to a driving gear 19, and two symmetrically arranged stirring shafts 20 are inserted and rotatably connected to the upper side of the nutrient solution tank 4, and the upper ends of the two stirring shafts 20 are fixedly connected to a driven gear 21 meshing with the driving gear 19, and the stirring shaft 20 extends into the nutrient solution tank 4 and is fixedly connected to a stirring bar 22. The stirring motor 18 is started to work, and the driving gear 19 is driven to rotate. Since the driving gear 19 is respectively meshed with the two driven gears 21, the two stirring shafts 20 are driven to rotate at the same time, and then the stirring bar 22 is driven to stir the nutrient solution in the nutrient solution tank 4, so as to ensure the uniformity of the nutrient solution mixing and good stirring effect.

[0028] like Figure 4 As shown: a through hole is opened on the upper side of the nutrient solution tank 4, and the through hole is rotatably connected to the stirring shaft 20 through a waterproof bearing, so as to facilitate the rotation of the stirring shaft 20.

[0029] like Figure 1 As shown: a PLC controller 23 is fixedly connected to the lower front part of one of the support frames 2, and the PLC controller 23 is electrically connected to the filtering and sewage discharge mechanism, the liquid supply pump 7 and one end of the dual-axis stirring mechanism respectively. It is easy to operate and has an external power supply. The circuit involved is the existing technology and can be fully implemented by those skilled in the art without further elaboration.

[0030] Working principle: when the nutrient solution in the cultivation liquid tank 3 needs to be supplemented with nutrients, first, open the drain valve 5, and guide the nutrient solution in the cultivation liquid tank 3 into the reflux pipe 6. When it falls into the filter tank 11, the nutrient solution can be filtered and purified by the filtering effect of the filter mesh 12, and then it flows back to the nutrient solution tank 4. The nutrient agent is added to the nutrient solution tank 4 through the nutrient agent inlet 10 to supplement the nutrients to the nutrient solution. Then, start the liquid supply pump 7 to guide the nutrient solution in the nutrient solution tank 4 through the liquid guide pipe 8, and then inject it into the cultivation liquid tank 3 through the liquid outlet head 9, so as to realize the nutrient supplementation of the nutrient solution. The operation is simple, manpower saving and convenient to use. When slag discharge is required, open the slag discharge valve 16, start the servo motor 14 to drive the spiral discharge rod 15 to rotate, and the residue in the slag discharge barrel 13 can be forced to be discharged from the slag discharge valve 16, which is convenient for slag discharge and manpower saving.

[0031] Secondly, after adding nutrient agent into the nutrient solution tank 4 through the nutrient agent inlet 10, the stirring motor 18 is started to drive the driving gear 19 to rotate. Since the driving gear 19 is respectively engaged with the two driven gears 21, the two stirring shafts 20 are driven to rotate at the same time, and the stirring bars 22 are driven to stir the nutrient solution in the nutrient solution tank 4, thereby ensuring the uniformity of the nutrient solution mixing and a good stirring effect.

[0032] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A soilless cultivation three-dimensional planting frame, comprising a base plate (1), characterized in that: Two symmetrically arranged support frames (2) are fixedly connected at both ends of the base plate (1); four equally spaced cultivation liquid tanks (3) are fixedly connected in sequence from top to bottom between the two support frames (2); a nutrient solution tank (4) is fixedly connected to the upper side of the base plate (1); a drainage valve (5) is provided at the lower part of one side of each of the four cultivation liquid tanks (3); one end of each of the four drainage valves (5) is connected to a return pipe (6); and the return pipe (6) is connected to a filter and sewage discharge machine. The bottom end of the return pipe (6) is connected to the upper part of one side of the nutrient solution tank (4); the upper side of the base plate (1) is fixedly connected to a liquid supply pump (7) connected to the nutrient solution tank (4); one end of the liquid supply pump (7) is connected to a liquid guide pipe (8); one side of the liquid guide pipe (8) located above the cultivation liquid tank (3) is connected to a liquid outlet head (9); a double-axis stirring mechanism is provided in the nutrient solution tank (4); and the upper side of the nutrient solution tank (4) is connected to a nutrient agent inlet (10).

2. A soilless cultivation three-dimensional planting frame according to claim 1, characterized in that: The filtering and sewage discharge mechanism comprises a filter tank (11) connected to the return pipe (6); a filter screen (12) is fixedly connected to the inner wall of the filter tank (11); a slag discharge barrel (13) is connected to the lower end of the filter screen (12); a servo motor (14) is fixedly connected to one side of the filter tank (11); a main shaft end of the servo motor (14) passes through the slag discharge barrel (13) and is fixedly connected to a spiral discharge rod (15); and a slag discharge valve (16) connected to the slag discharge barrel (13) is provided on one side of the filter tank (11).

3. A soilless cultivation three-dimensional planting frame according to claim 2, characterized in that: The filter element (12) is arranged in an inverted cone-shaped structure.

4. The soilless cultivation three-dimensional planting frame according to claim 2, characterized in that: The outer wall of the slag discharge cylinder (13) is evenly provided with drainage holes.

5. The soilless cultivation three-dimensional planting frame according to claim 1, characterized in that: The double-shaft stirring mechanism comprises a cover shell (17) fixed on the upper side of the nutrient solution tank (4); a stirring motor (18) is fixedly connected to the upper side of the cover shell (17); a main shaft end of the stirring motor (18) penetrates the cover shell (17) and is fixedly connected to a driving gear (19); two symmetrically arranged stirring shafts (20) are inserted and rotatably connected to the upper side of the nutrient solution tank (4); the upper ends of the two stirring shafts (20) are fixedly connected to a driven gear (21) meshing with the driving gear (19); and the stirring shafts (20) extend into the nutrient solution tank (4) and are fixedly connected to a stirring bar (22).

6. The soilless cultivation three-dimensional planting frame according to claim 5, characterized in that: A through hole is provided on the upper side of the nutrient solution tank (4), and the through hole is rotatably connected to the stirring shaft (20) via a waterproof bearing.

7. The soilless cultivation three-dimensional planting frame according to claim 1, characterized in that: A PLC controller (23) is fixedly connected to the lower front portion of one of the support frames (2), and the PLC controller (23) is electrically connected to the filtering and sewage discharge mechanism, the liquid supply pump (7) and one end of the double-shaft stirring mechanism respectively.

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