Multi-layer plant culture device with automatic transplanting function

Abstract

The invention provides an automatic transplanting multi-layer plant culture device which comprises a rack, a clamping and releasing mechanism and a controller, a moving mechanism is arranged at the top of the rack and connected with a lifting plate through a first electric push rod, a first lead screw is rotatably arranged on the bottom face of the lifting plate, and a plurality of clamping assemblies capable of being independently controlled are axially arranged on the first lead screw; the clamping assembly comprises a connecting rod, the connecting rod is connected with the first lead screw through a clamping and releasing mechanism, a U-shaped clamping jaw and a material level sensor are arranged on the bottom face of the connecting rod, and existence of objects in the U-shaped clamping jaw can be sensed. The device is provided with a plurality of clamping assemblies which can be independently controlled, when the clamping assemblies have culture cup vacancies, clamping and releasing mechanisms in the corresponding clamping assemblies are started and released, second motors are started to drive first lead screws to rotate, and the clamping assemblies clamped with the culture cups are driven to move and are continuously arranged; therefore, no vacant culture cups exist in the through holes of the second culture tray, manual inspection and supplement are saved, and the automatic transplanting effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of plant transplantation, in particular to an automatic transplantation multi-layer plant cultivation device. Background Art

[0002] Plant cultivation generally adopts two methods: direct sowing and seedling transplantation. Direct sowing is suitable for vegetables that germinate quickly and have strong adaptability, such as radish and cabbage. These seeds have low requirements for soil conditions and a short seedling period, and do not require meticulous management. Seedlings of tomatoes, peppers, etc. are sensitive to low temperatures. Seedling cultivation can avoid germination failure or seedling frost damage caused by external temperature fluctuations. A plant culture device is a device specially used for plant tissue culture, which can provide a stable and suitable environment and conditions for plant growth. This device usually includes multiple parts such as a bracket, a culture tray, a light source, a temperature control system, and a humidity control system. These components work together to simulate the optimal conditions for plant growth in nature, while being convenient for experimenters to operate, observe, and manage.

[0003] Multi-layer plant cultivation devices can further improve space utilization. By stacking plants vertically, more plants can be grown within a limited space. The process typically involves the following steps: first, plant seeds or seedlings are placed on a culture medium in a culture tray; then, environmental parameters such as light source, temperature, and humidity are adjusted according to the plant's growth needs; then, an automated irrigation and fertilization system provides the plants with the necessary water and nutrients; finally, the plants' growth status is regularly monitored and transplanted or adjusted as needed.

[0004] When performing automatic transplantation, a plant cultivation device usually uses a robotic arm to transfer plant seedlings from a smaller culture tray to a larger culture tray to increase the growth spacing between the plant seedlings. In order to improve the efficiency of the transfer, the robotic arm is provided with multiple mechanical claws to transfer the plant seedlings at the same time, one row at a time. However, when an empty space appears in the smaller culture tray, the larger culture tray will also become vacant, requiring manual inspection and replenishment. Summary of the Invention

[0005] In light of this, the present invention proposes a multi-layer plant cultivation device with automatic transplanting. The device features multiple layers of culture trays, each with independently adjustable height to accommodate the growth needs of different plants. Furthermore, the device is equipped with a specialized light source system, such as LED grow lights, that can provide lighting conditions with varying spectra, intensities, and cycles. A temperature and humidity control system simulates various natural environmental conditions, providing a more precise growth environment for plants.

[0006] The technical solution of the present invention is achieved as follows:

[0007] The cam is secured to the bottom of the lift and is adapted to engage the actuator member, which is engaged with the actuator member and is engaged with the actuator's internal gear, and the actuator member is engaged with the actuator's internal gear, and is engaged with the actuator's internal gear.

[0008] A first conveyor belt and a second conveyor belt are provided under the frame, a first culture tray is provided on the top of the first conveyor belt, a through hole arranged in a matrix is ​​provided on the top of the first culture tray, a culture cup is provided in the through hole, and a plant seedling is cultured in the culture cup, a second culture tray is provided on the top of the second conveyor belt, a through hole arranged in a matrix is ​​provided on the top surface of the second culture tray, a culture rack is provided on one side of the second conveyor belt, the culture rack is provided with multiple layers for placing the second culture tray, a lifting mechanism is provided on the side of the culture rack, the second conveyor belt is provided on the lifting mechanism, the controller is provided on the side of the frame and is electrically connected to the moving mechanism, the first electric push rod, the first motor, the second motor, the clamping and releasing mechanism, the first conveyor belt, the second conveyor belt, the lifting mechanism and the level sensor.

[0009] Preferably, the moving mechanism includes a second screw rod, a third screw rod, a third motor, a fourth motor, a U-shaped moving block and a square moving block, the second screw rod is rotatably arranged on the top of the frame, one end of which is rotatably connected to the frame, the other end passes through the frame and is driven by the third motor, the third motor is arranged on the side of the frame, the U-shaped moving block is arranged on the second screw rod, the third screw rod is rotatably arranged at the bottom of the U-shaped moving block, one end of which is rotatably connected to the U-shaped moving block, the other end passes through the U-shaped moving block and is driven by the fourth motor, the fourth motor is arranged on the side of the U-shaped moving block, the square moving block is arranged on the third screw rod, and the first electric push rod is arranged on the bottom surface of the square moving block.

[0010] Preferably, the positioning mechanism also includes a second electric push rod, an L-shaped positioning plate and a touch switch. The second electric push rod is arranged on the side wall of the frame, and its telescopic end is connected to the L-shaped positioning plate. The two touch switches are respectively arranged on the side surfaces of the L-shaped positioning plate that are perpendicular to each other. One of the touch switches is parallel to the transmission direction of the first conveyor belt, and the second electric push rod is electrically connected to the controller.

[0011] Preferably, the clamping and releasing mechanism includes a sleeve, a receiving groove, an arc-shaped threaded plate, a coil spring, a push-pull rod, an iron block and an electromagnet. The sleeve is sleeved on the third screw rod, and the sleeve is provided with a plurality of receiving grooves around the axis. The receiving grooves are connected with the inner hole of the sleeve. The push-pull rod is slidably arranged in the receiving groove, one end of which is connected to the arc-shaped threaded plate, and the other end is connected to the iron block. The coil spring is sleeved on the push-pull rod, one end abuts against the inner hole wall of the sleeve, and the other end abuts against the arc-shaped threaded plate. The electromagnet is arranged at the bottom of the receiving groove and is parallel to the iron block.

[0012] Preferably, the culture rack includes a bracket, a shelf, a fluorescent lamp, a water tank, a water pump, a water pipe and a nozzle. The brackets are arranged relative to each other, and a plurality of the shelfs are horizontally spaced between the two brackets. The fluorescent lamp is arranged in the upper middle part of the two shelfs. The water tank is arranged on the top surface of the shelf located on the topmost layer. The water pipe is horizontally arranged above the shelf, and one end thereof is connected to the water tank. The water pump is arranged on the water pipe, and a plurality of the nozzles are arranged on the water pipe.

[0013] Preferably, the lifting mechanism includes a support plate, a fourth screw rod, a fifth motor and a support plate. The support plate is relatively arranged on the side of the culture rack. The fourth screw rod is rotatably arranged in the middle of the support plate, one end of which is rotatably connected to the support plate, and the other end passes through the support plate and is driven to the fifth motor. The movable slider is arranged on the fourth screw rod, and the support plate is arranged on the side of the movable slider.

[0014] Preferably, the through hole is in a conical shape, and its diameter gradually decreases from the top surface downwards.

[0015] Preferably, a third conveyor belt is further included, wherein the third conveyor belt is arranged at the bottom of the culture rack, and the end portion thereof is parallel to the support plate.

[0016] Preferably, the plant automatic transplanting method comprises the following steps:

[0017] S1, starting the first conveyor belt and the second conveyor belt to transport the first culture tray and the second culture tray to a predetermined position;

[0018] S2, starting the moving mechanism and the first motor so that the lifting plate is located on the horizontal side of the first culture tray;

[0019] S3, starting the moving mechanism to drive the multiple clamping components and clamp the culture cup in the U-shaped clamping claw according to the preset moving trajectory;

[0020] S4, start the first electric push rod, the clamping assembly lifts the multiple culture cups and separates them from the first culture tray, and then starts the level sensor to detect the inside of the U-shaped claw,

[0021] S41. When the level sensor detects all the culture cups, the second motor is started, which drives the first screw to rotate, thereby driving the clamping assembly to move so that the distance between each clamping assembly is equal to the distance between two through holes in a row of the second culture tray;

[0022] S42: The level sensor detects that the culture cup is missing from the U-shaped claw, and the clamping release mechanism in the corresponding clamping assembly is activated and released, thereby activating the second motor. The second motor drives the first screw to rotate, thereby driving the clamping assembly with the culture cup clamped thereto to move, so that the distance between the clamping assemblies is equal to the distance between the two through-holes in a row of the second culture tray, and the clamping assemblies are arranged continuously.

[0023] S5, start the moving mechanism and the first electric push rod to place the culture cup into the through hole in the same row of the second culture tray.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention is provided with multiple independently controllable clamping assemblies. When a culture cup is missing in a clamping assembly, the clamping release mechanism in the corresponding clamping assembly is activated and released, and the second motor is activated to drive the first screw to rotate, driving the clamping assembly with the culture cup to move and arrange it continuously, thereby ensuring that there are no empty culture cups in the through-holes of the second culture tray, saving manual inspection and replenishment, and improving the effect of automatic transplantation;

[0026] 2. The lifting mechanism can realize the lifting function of the support plate and the second culture tray on it, so as to conveniently move the second culture tray from one height to another. After the through holes on the second culture tray are filled with culture cups, the lifting mechanism is started, and the support plate drives the second conveyor belt to rise. When the top surface of the second conveyor belt is flush with the shelf of the culture rack, the second conveyor belt is started to move the second culture tray to the top surface of the shelf, solving the problem that manual vertical transportation at high altitudes is not only time-consuming and labor-intensive, but also poses a safety hazard, thereby greatly saving labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 This is a schematic diagram of the three-dimensional structure of an automatic transplanting multi-layer plant cultivation device of the present invention;

[0029] Figure 2 Schematic diagram of the cross-sectional structure of an automatic transplanting multi-layer plant cultivation device of the present invention;

[0030] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0031] Figure 4 It is a structural schematic diagram of the clamping and releasing mechanism of the present invention;

[0032] Figure 5 Schematic diagram of the arrangement of the touch switch of the present invention;

[0033] Figure 1: Frame; 2: First conveyor belt; 3: Second conveyor belt; 4: First culture tray; 5: Second culture tray; 6: Through hole; 7: Culture cup; 8: Plant seedling; 9: Support plate; 10: First screw rod; 11: First motor; 12: U-shaped moving block; 13: Second screw rod; 14: Square moving block; 15: Second motor; 16: First electric push rod; 17: Gear ring; 18: Gear; 19: Third motor; 20: Controller; 21: Lifting plate; 22: Touch switch; 23: Second electric push rod; 24: , support plate; 25. third screw rod; 26. fourth motor; 27. connecting rod; 28. U-shaped claw; 29. ​​arc-shaped threaded plate; 30. coil spring; 31. push-pull rod; 32. receiving groove; 33. iron block; 34. electromagnet; 35. sleeve; 36. bracket; 37. shelf; 38. support plate; 39. fourth screw rod; 40. moving slider; 41. fifth motor; 42. fluorescent lamp; 43. water tank; 44. water pump; 45. water pipe; 46. nozzle; 47. L-shaped positioning plate; 48. third conveyor belt. DETAILED DESCRIPTION

[0034] In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0035] See also Figures 1 to 5The present invention provides an automatic transplanting multi-layer plant cultivation device, comprising a frame 1 and a controller 20. The frame 1 is provided with a moving mechanism on the top, and a first electric push rod 16 is provided at the bottom of the moving mechanism. The telescopic end of the first electric push rod 16 is provided with a lifting plate 21 for rotation. A gear ring 17 is provided on the telescopic end of the first electric push rod 16. A first motor 11 is provided on the top surface of the lifting plate 21. The output shaft of the first motor 11 is connected to a gear 18. The gear 18 is engaged with the gear ring 17. The bottom surface of the lifting plate 21 is provided with a support A plate 24 is provided with a first screw rod 10 in a rotational manner in the middle of the support plate 24. One end of the first screw rod 10 is rotatably connected to the support plate 24, and the other end passes through the support plate 24 and is driven by the second motor 15. The first screw rod 10 is axially provided with a plurality of independently controllable clamping assemblies, and the clamping assembly includes a connecting rod 27, which is connected to the first screw rod 10 through a clamping release mechanism. A U-shaped claw 28 is provided on the bottom surface of the connecting rod 27, and the U-shaped claw 28 is provided with a level sensor for sensing the presence of an object in the U-shaped claw 28;

[0036] A first conveyor belt 2 and a second conveyor belt 3 are provided below the frame 1. A first culture tray 4 is provided on the top of the first conveyor belt 2. A through hole 6 arranged in a matrix is ​​provided on the top of the first culture tray 4. A culture cup 7 is provided in the through hole 6. Plant seedlings 8 are cultured in the culture cup 7. A second culture tray 5 is provided on the top of the second conveyor belt 3. The top surface of the second culture tray 5 is provided with through holes arranged in a matrix. A culture rack is provided on one side of the second conveyor belt 3. The culture rack has multiple layers for placing the second culture tray 5. A lifting mechanism is provided on the side of the culture rack. The second conveyor belt 3 is provided on the lifting mechanism. The controller 20 is provided on the side of the frame 1 and is electrically connected to the moving mechanism, the first electric push rod 16, the first motor 11, the second motor 15, the clamping and releasing mechanism, the first conveyor belt 2, the second conveyor belt 3, the lifting mechanism and the level sensor.

[0037] When the plant cultivation device is working, first, the first conveyor belt 2 will be started, and the first cultivation tray 4 located on the top surface of the first conveyor belt 2 will move along, and the first cultivation tray 4 will be transferred to the position limited by the positioning mechanism. The controller 20 will control the first conveyor belt 2 to stop, and calculate the movement path of the clamping assembly according to the position of the first cultivation tray 4, and start the moving mechanism to drive the first electric push rod 16 to the side of the first cultivation tray 4, and then start the first motor 11. The rotation of the first motor 11 drives the gear 18 to rotate, and the rotation of the gear 18 drives the gear ring 17 to rotate, so that the lifting plate 21 is parallel to the side of the first cultivation tray 4, and the first electric push rod 16 is started to drive the U-shaped claw 28 to descend. When the U-shaped claw After the bottom surface of 28 abuts against the top surface of the first culture tray 4, the second motor 15 is started, and the second motor 15 rotates to drive the first screw rod 10 to rotate, driving each clamping component to move. When the distance between the clamping components is equal to the distance between the through holes 6 in the same row on the first culture tray 4, the moving mechanism is started again, and the U-shaped claw 28 translates to clamp the culture cup 7 in the U-shaped claw 28, and then the level sensor is started to detect the culture cup 7. When at least one culture cup 7 is detected, the first electric push rod 16 is started to drive the U-shaped claw 28 to rise, and the U-shaped claw 28 lifts a row of culture cups 7 and separates them from the first culture tray 4. The second motor 15 is started, and the second motor 15 rotates to drive the first screw rod 10 to rotate. Drive each clamping assembly to move. When the distance between the clamping assemblies is equal to the distance between the through holes 6 in the same row on the second culture tray 5, start the moving mechanism to drive each culture cup 7 to move to just above the through hole 6. Start the first electric push rod 16 to drive the U-shaped claw 28 to descend, and put the culture cup 7 into the through hole 6. The U-shaped claw 28 descends and moves horizontally and separates from the culture cup 7, completing the transplanting operation of the plant seedling 8. If the level sensor cannot detect the culture cup 7, the U-shaped claw 28 continues to move horizontally to clamp the culture cup 7 in the second row. The operation after clamping is the same as the above operation. When the level sensor detects that there is no culture cup 7 in the U-shaped claw 28, the controller 20 controls the corresponding clamping assembly. The clamping release mechanism is started and released, and the vacant clamping assembly and the first screw rod 10 slide against each other without affecting the movement of other clamping assemblies. The remaining clamping assemblies remain screwed to the first screw rod 10, and the second motor 15 is started. The second motor 15 drives the first screw rod 10 to rotate, driving the clamping assembly with the culture cup 7 clamped thereon to move, so that the distance between each clamping assembly is equal to the spacing between the two through holes 6 in a row of the second culture tray 5, and they are arranged continuously. The moving mechanism and the first electric push rod 16 are started to place the culture cup 7 into the through hole 6 in the same row of the second culture tray 5, thereby ensuring that there will be no vacant culture cup 7 in the through hole 6 of the second culture tray 5, saving manual inspection and replenishment, and improving the effect of automatic transplantation.

[0038] Preferably, the moving mechanism includes a second screw rod 13, a third screw rod 25, a third motor 19, a fourth motor 26, a U-shaped moving block 12 and a square moving block 14, the second screw rod 13 is rotatably arranged at the top of the frame 1, one end of which is rotatably connected to the frame 1, and the other end passes through the frame 1 and is driven to the third motor 19, the third motor 19 is arranged on the side of the frame 1, the U-shaped moving block 12 is arranged on the second screw rod 13, the third screw rod 25 is rotatably arranged at the bottom of the U-shaped moving block 12, one end of which is rotatably connected to the U-shaped moving block 12, and the other end passes through the U-shaped moving block 12 and is driven to the fourth motor 26, the fourth motor 26 is arranged on the side of the U-shaped moving block 12, the square moving block 14 is arranged on the third screw rod 25, and the first electric push rod 16 is arranged on the bottom surface of the square moving block 14.

[0039] The moving mechanism drives the first electric push rod 16 for planar movement, the third motor 19 drives the second screw 13 for Y-axis movement of the U-shaped moving block 12, and the fourth motor 26 drives the third screw 25 for X-axis movement of the square moving block 14. When the first culture tray 4 and the second culture tray 5 are positioned on the first conveyor belt 2 and the second conveyor belt 3, respectively, the controller 20 analyzes the target position coordinates of the first culture tray 4 and the second culture tray 5 and calculates the three-dimensional motion path of the moving mechanism.

[0040] Preferably, the positioning mechanism also includes a second electric push rod 23, an L-shaped positioning plate 47 and a touch switch 22. The second electric push rod 23 is arranged on the side wall of the frame 1, and its telescopic end is connected to the L-shaped positioning plate 47. The two touch switches 22 are respectively arranged on the side surfaces of the L-shaped positioning plate 47 that are perpendicular to each other. One of the touch switches 22 is parallel to the transmission direction of the first conveyor belt 2, and the second electric push rod 23 is electrically connected to the controller 20.

[0041] The positioning mechanism is used to confine the first culture tray 4 to a specific position. When the culture device is in operation, the first conveyor belt 2 is first activated, and the first culture tray 4 located on the top surface of the first conveyor belt 2 moves accordingly. When the side of the first culture tray 4 located in the direction of movement of the first conveyor belt 2 abuts the touch switch 22, the controller 20 controls the first conveyor belt 2 to stop, and then activates the second electric push rod 23. The telescopic end of the second electric push rod 23 extends, driving the L-shaped positioning plate 47 to move, and drives another touch switch 22 toward the side of the first culture tray 4 located perpendicular to the direction of movement of the first conveyor belt 2. When the touch switch 22 is triggered, the first culture tray 4 is positioned.

[0042] Preferably, the clamping and releasing mechanism includes a sleeve 35, a receiving groove 32, an arc-shaped threaded plate 29, a coil spring 30, a push-pull rod 31, an iron block 33 and an electromagnet 34. The sleeve 35 is sleeved on the third screw rod 25. The sleeve 35 is provided with a plurality of receiving grooves 32 around the axis. The receiving grooves 32 are connected to the inner hole of the sleeve 35. The push-pull rod 31 is slidably arranged in the receiving groove 32, one end of which is connected to the arc-shaped threaded plate 29, and the other end is connected to the iron block 33. The coil spring 30 is sleeved on the push-pull rod 31, one end of which abuts against the inner hole wall of the sleeve 35, and the other end abuts against the arc-shaped threaded plate 29. The electromagnet 34 is arranged at the bottom of the receiving groove 32 and is parallel to the iron block 33.

[0043] The control clamping release mechanism selectively decouples the corresponding connecting rod 27. The connection between the clamping release mechanism and the third screw 25 has two states: sliding and threaded. When the clamping release mechanism is not activated, the electromagnet 34 is not energized. The push-pull rod 31, under the preload of the coil spring 30, maintains the arcuate threaded plate 29 in contact with the third screw 25. After the clamping release mechanism is activated, the electromagnet 34 is energized, and the iron block 33, under the action of the electromagnetic force, moves to the electromagnet 34 and is attracted to it. The iron block 33 drives the push-pull rod 31 to slide, which in turn drives the arcuate threaded plate 29 to separate from the third screw 25.

[0044] Preferably, the culture rack includes a bracket 36, a layer plate 37, a fluorescent lamp 42, a water tank 43, a water pump 44, a water pipe 45 and a nozzle 46. The brackets 36 are arranged relatively to each other, and multiple layer plates 37 are horizontally spaced between two brackets 36. The fluorescent lamp 42 is arranged in the upper middle part of the two layer plates 37. The water tank 43 is arranged on the top surface of the layer plate 37 on the top layer. The water pipe 45 is horizontally arranged above the layer plate 37, and one end thereof is connected to the water tank 43. The water pump 44 is arranged on the water pipe 45. The water pump 44 draws water from the water tank 43 and transports it to the nozzle 46 through the water pipe 45. Multiple nozzles 46 are arranged on the water pipe 45. The nozzle 46 is responsible for spraying water onto the plants in the form of mist or stream to ensure that the plant seedlings 8 can fully absorb water while avoiding water accumulation and root rot.

[0045] The culture rack is a comprehensive plant cultivation device that integrates a bracket 36, a layer plate 37, a fluorescent lamp 42, a water tank 43, a water pump 44, a water pipe 45, and a nozzle 46. It can provide an environment suitable for plant growth and meet the plant's needs for growth conditions such as light and water through reasonable layout and configuration. A plurality of layers 37 are provided in the middle of the bracket 36 for placing the second culture tray 5. The layers 37 have a certain height and spacing to adapt to the growth needs of different plants while improving space utilization. The fluorescent lamp 42 provides the lighting conditions required for plant growth. By adjusting the light intensity and lighting time, different growth environments can be simulated. The water tank 43 is used to store nutrient solution for irrigation, and water and nutrients are provided to the plants through the water pump 44 and water pipe 45 system.

[0046] Preferably, the lifting mechanism includes a support plate 38, a fourth screw rod 39, a fifth motor 41 and a support plate 9. The support plate 38 is relatively arranged on the side of the culture rack. The fourth screw rod 39 is rotatably arranged in the middle of the support plate 38, one end of which is rotatably connected to the support plate 38, and the other end passes through the support plate 38 and is driven to the fifth motor 41. The movable slider 40 is arranged on the fourth screw rod 39, and the support plate 9 is arranged on the side of the movable slider 40.

[0047] The lifting mechanism can realize the lifting function of the support plate 9 and the second culture tray 5 thereon, thereby conveniently moving the second culture tray 5 from one height to another and transferring the second culture tray 5 to the top surface of each layer 37. When the through holes 6 on the second culture tray 5 are filled with culture cups 7, the fifth motor 41 is started. The fifth motor 41 rotates to drive the fourth screw rod 39, and the fourth screw rod 39 rotates to drive the movable slider 40 to move. The movement of the movable slider 40 drives the support plate 9 to move, thereby raising the second conveyor belt 3. When the top surface of the second conveyor belt 3 is flush with the layer 37, the second conveyor belt 3 is started to move the second culture tray 5 to the top surface of the layer 37, thereby eliminating the problem of manually placing the second culture tray 5 at a high place.

[0048] Preferably, the through hole 6 is in a conical shape, and its diameter gradually decreases from the top surface downwards.

[0049] The conical through-hole 6, with its diameter gradually decreasing from the top, securely secures the culture cup 7, preventing it from shifting or tilting due to vibration or wind during the culture process. The conical through-hole 6, with its larger opening at the top, facilitates easy insertion and removal of the culture cup 7, significantly simplifying the transplantation process and improving efficiency.

[0050] Preferably, a third conveyor belt 48 is further included, and the third conveyor belt 48 is arranged at the bottom of the culture rack, and its end is parallel to the support plate 9.

[0051] The third conveyor belt 48 is used to transport the second culture tray 5. Multiple second culture trays 5 can be placed on the top surface of the third conveyor belt 48. When the lifting mechanism lowers the second conveyor belt 3 to the bottom, it can directly form a seamless connection with the third conveyor belt 48. Starting the second conveyor belt 3 and the third conveyor belt 48 can transport the second culture tray 5 to the second conveyor belt 3, reducing the number of manual handling, reducing labor intensity, and saving human resources.

[0052] Preferably, the plant automatic transplanting method comprises the following steps:

[0053] S1. Start the second electric push rod 23 to drive the L-shaped positioning plate 47 to constrain the first culture tray 4 to the end position of the first conveyor belt 2. The trigger switch 22 detects the positioning signal and transmits it to the controller 20. Start the first conveyor belt 2 to transport the first culture tray 4 to the position limited by the positioning mechanism.

[0054] S2, start the moving mechanism and the first motor 11 so that the clamping assembly is located on the horizontal side of the first culture tray 4;

[0055] S3, start the moving mechanism, drive the multiple clamping components and clamp the culture cup 7 in the U-shaped clamping claw 28 according to the preset moving trajectory;

[0056] S4, start the first electric push rod 16, the clamping assembly lifts the multiple culture cups 7 and separates them from the first culture tray 4, and then starts the level sensor to detect the inside of the U-shaped claw 28,

[0057] S41: When the level sensor detects all the culture cups 7, the second motor 15 is started, which drives the first screw 10 to rotate, thereby driving the clamping assembly to move so that the distance between each clamping assembly is equal to the distance between two through holes 6 in a row of the second culture tray 5;

[0058] S42: The level sensor detects that the culture cup 7 is missing from the U-shaped claw 28. The clamping release mechanism in the corresponding clamping assembly is activated and released, which activates the second motor 15. The second motor 15 drives the first screw 10 to rotate, driving the clamping assembly with the culture cup 7 clamped thereto to move, so that the distance between the clamping assemblies is equal to the distance between the two through holes 6 in a row of the second culture tray 5, and the clamping assemblies are arranged continuously.

[0059] S5 , starting the moving mechanism and the first electric push rod 16 to place the culture cup 7 into the through hole 6 in the same row of the second culture tray 5 .

[0060] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A multi-layer plant cultivation device with automatic transplantation, characterized in that: The cam is connected to the transmission mechanism by the spring, and the cam is connected to the transmission mechanism by the spring, and the cam is connected to the transmission mechanism by the spring. A first conveyor belt and a second conveyor belt are provided under the frame, a first culture tray is provided on the top of the first conveyor belt, a through hole arranged in a matrix is ​​provided on the top of the first culture tray, a culture cup is provided in the through hole, and a plant seedling is cultured in the culture cup, a second culture tray is provided on the top of the second conveyor belt, a through hole arranged in a matrix is ​​provided on the top surface of the second culture tray, a culture rack is provided on one side of the second conveyor belt, the culture rack is provided with multiple layers for placing the second culture tray, a lifting mechanism is provided on the side of the culture rack, the second conveyor belt is provided on the lifting mechanism, the controller is provided on the side of the frame and is electrically connected to the moving mechanism, the first electric push rod, the first motor, the second motor, the clamping and releasing mechanism, the first conveyor belt, the second conveyor belt, the lifting mechanism and the level sensor.

2. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: The moving mechanism includes a second screw rod, a third screw rod, a third motor, a fourth motor, a U-shaped moving block and a square moving block. The second screw rod is rotatably arranged on the top of the frame, one end of which is rotatably connected to the frame, and the other end passes through the frame and is driven by the third motor. The third motor is arranged on the side of the frame, and the U-shaped moving block is arranged on the second screw rod. The third screw rod is rotatably arranged at the bottom of the U-shaped moving block, one end of which is rotatably connected to the U-shaped moving block, and the other end passes through the U-shaped moving block and is driven by the fourth motor. The fourth motor is arranged on the side of the U-shaped moving block. The square moving block is arranged on the third screw rod, and the first electric push rod is arranged on the bottom surface of the square moving block.

3. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: It also includes a positioning mechanism comprising a second electric push rod, an L-shaped positioning plate and a touch switch. The second electric push rod is arranged on the side wall of the frame, and its telescopic end is connected to the L-shaped positioning plate. The two touch switches are respectively arranged on the side surfaces of the L-shaped positioning plate that are perpendicular to each other. One of the touch switches is parallel to the transmission direction of the first conveyor belt, and the second electric push rod is electrically connected to the controller.

4. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: The clamping and releasing mechanism includes a sleeve, a receiving groove, an arc-shaped threaded plate, a coil spring, a push-pull rod, an iron block and an electromagnet. The sleeve is sleeved on the third screw rod. The sleeve is provided with a plurality of receiving grooves around the axis. The receiving grooves are connected with the inner hole of the sleeve. The push-pull rod is slidably arranged in the receiving groove, one end of which is connected to the arc-shaped threaded plate and the other end is connected to the iron block. The coil spring is sleeved on the push-pull rod, one end of which abuts against the inner hole wall of the sleeve and the other end abuts against the arc-shaped threaded plate. The electromagnet is arranged at the bottom of the receiving groove and is parallel to the iron block.

5. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: The culture rack includes a bracket, a shelf, a fluorescent lamp, a water tank, a water pump, a water pipe and a nozzle. The brackets are arranged relative to each other, and a plurality of the shelfs are arranged horizontally between the two brackets. The fluorescent lamp is arranged in the upper middle part of the two shelfs. The water tank is arranged on the top surface of the shelf located on the topmost layer. The water pipe is arranged horizontally above the shelf, and one end thereof is connected to the water tank. The water pump is arranged on the water pipe, and a plurality of the nozzles are arranged on the water pipe.

6. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: The lifting mechanism includes a support plate, a fourth screw rod, a fifth motor and a support plate. The support plate is relatively arranged on the side of the culture rack. The fourth screw rod is rotatably arranged in the middle of the support plate. One end of the fourth screw rod is rotatably connected to the support plate, and the other end passes through the support plate and is driven to the fifth motor. The movable slider is arranged on the fourth screw rod, and the support plate is arranged on the side of the movable slider.

7. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: The through hole is in a conical shape, and its diameter gradually decreases from the top surface downwards.

8. The multi-layer plant cultivation device for automatic transplantation according to claim 1, characterized in that: It also includes a third conveyor belt, which is arranged at the bottom of the culture rack and has an end portion parallel to the supporting plate.

9. A method for automatic plant transplantation, characterized in that: The multi-layer plant cultivation device for automatic transplantation according to any one of claims 1 to 8 comprises the following steps: S1, starting the first conveyor belt and the second conveyor belt to transport the first culture tray and the second culture tray to a predetermined position; S2, starting the moving mechanism and the first motor so that the lifting plate is parallel to the side of the first culture tray; S3, starting the first electric push rod to drive the U-shaped claw to descend to the top surface of the first culture tray, starting the second motor to drive the first screw to rotate, driving each clamping assembly to move so that the distance between the clamping assemblies is equal to the distance between two through holes in the same row of the first culture tray, and the U-shaped claw translates to clamp a row of culture cups into the U-shaped claw; S4, start the level sensor to detect the position inside the U-shaped claw; S41. When at least one culture cup is detected, the first electric push rod is activated to drive the U-shaped claw to rise, thereby lifting a row of culture cups and separating them from the first culture tray. S42, when the level sensor cannot detect the culture cup, the moving mechanism is activated to drive the U-shaped claw to continue to move horizontally, and the culture cups in the next row are clamped in turn; S5. The controller activates the clamping release mechanism in the corresponding snap-in assembly that is missing a culture cup, and the vacant snap-in assembly and the first screw rod slide relative to each other. The second motor is activated to rotate the first screw rod, and the snap-in assembly with the culture cup is driven to move, so that the distance between each snap-in assembly is equal to the distance between the two through holes in the same row of the second culture tray, and they are arranged continuously. S6. Start the moving mechanism and the first electric push rod to place the culture cup into the through hole in the same row of the second culture tray.

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