Light adjustable rice seed germination device and processing method

Abstract

The application relates to the technical field of rice seed cultivation, and discloses a light-adjustable rice seed germination device and processing method, which comprises a box body, a plurality of layers of planting frames for cultivating rice seed germination are arranged in the box body, and the planting frames are moved out of the box body under the cooperation of a first pushing mechanism and a second pushing mechanism when the device is used in a natural light environment, the planting frames are adjusted to an appropriate angle by a second cylinder contraction, and the planting frames fully receive external natural light; when the device is used in a non-natural light environment, the planting frames are adjusted to a horizontal posture by a second cylinder elongation, and the planting frames are moved into the box body by the first pushing mechanism and the second pushing mechanism under the cooperation of a first cylinder elongation, so that the problem of manual carrying during daytime irradiation in the prior art is solved.

Description

Technical Field

[0001] This invention relates to the field of rice seed breeding technology, specifically to a light-adjustable rice seed germination device and processing method. Background Technology

[0002] In laboratory settings, rice seed germination is typically carried out in an incubator. A search revealed that CN217790230U discloses a germination device for rice seeds, comprising a base plate with a placement box fixedly connected to the top. The placement box has partitions evenly fixedly connected from top to bottom on its inner side. Germination boxes are positioned at the top of each partition on the inner side of the placement box. A lifting frame is located on one side of the placement box. The lifting frame, under the action of a lifting mechanism, can raise and lower a spray pipe. When the spray pipe is positioned above the germination box, an electric push rod on the outside of the lifting frame pushes its output end, which is fixed to the spray pipe via a connecting ring, towards the top of the germination box. This allows the spray pipe to spray water comprehensively onto the rice seeds inside the germination box through its outer nozzle. After one layer is sprayed, the process is repeated layer by layer, facilitating the spraying of the rice seeds placed inside the germination box and making rice germination management more convenient.

[0003] However, the above-mentioned germination device still has the following problems: In addition to sufficient water absorption, rice seed germination cultivation also requires sufficient light. When the above-mentioned germination device is used for daytime illumination, the germination box needs to be manually moved, which is time-consuming and labor-intensive. Since the cultivation soil is heavy, the size of the germination box cannot be set too large in order to facilitate the movement of the germination box, which will affect the scale of rice seed germination cultivation. Summary of the Invention

[0004] This invention proposes a light-adjustable rice seed germination device and processing method, which solves the problem of manual handling required for daytime irradiation in the prior art.

[0005] The technical solution of the present invention is as follows: A light-adjustable rice seed germination device includes a box body, in which several layers of planting frames for cultivating rice seed germination are arranged. A water tank is provided on the inner bottom side of the box body, and a water pump is provided in the water tank to supply water to the seeds. A first pushing mechanism and a second pushing mechanism are provided at the bottom of each planting frame. A first cylinder is provided between two adjacent planting frames to drive the first pushing mechanism and the second pushing mechanism to adjust the planting frame to be inside or outside the box body. A second cylinder is provided between the first pushing mechanism and the second pushing mechanism to drive the second pushing mechanism to adjust the angle of natural light outside the box body. A pressure cap is provided above the planting frame, which automatically seals the planting frame after it is retracted into the box body. A spraying mechanism connected to the water pump is provided on the inner bottom side of the pressure cap. Stop plates are provided on the inner walls of both sides of the box body to stop the pressure cap.

[0006] Preferably, the first pushing mechanism includes two symmetrically arranged first swing arms, both of which are "T" shaped. Each first swing arm consists of a long rod section and a short rod section. The two ends of the long rod sections of the two first swing arms are fixedly connected to a first crossbar and a third crossbar, respectively. A first shaft fixed inside the box is rotatably connected to the middle of the long rod sections of the two first swing arms. The ends of the short rod sections of the two first swing arms are fixedly connected to a second crossbar. Fixed rods fixed to the bottom surface of the planting frame are hinged to both sides of the first crossbar.

[0007] Preferably, the two ends of the first cylinder are respectively hinged to the middle position of the third crossbar on the two first pushing mechanisms at the same horizontal height.

[0008] Preferably, the second pushing mechanism includes two symmetrically arranged second swing arms, both of which are "L" shaped structures. Each second swing arm is composed of two short rod segments of equal length. The adjacent ends of the two second swing arms are rotatably connected to a second shaft fixed inside the box, and the distant ends are respectively fixedly connected to a fourth crossbar and a fifth crossbar. The two sides of the fourth crossbar are hinged with third swing arms, and the end of the third swing arm away from the fourth crossbar is hinged to a support via a third shaft. The support is fixed to the bottom surface of the planting frame.

[0009] Preferably, one end of the second cylinder is hinged to the middle of the second crossbar, and the other end of the second cylinder is hinged to the middle of the fifth crossbar.

[0010] Preferably, the top two sides of the planting frame are provided with wheel grooves. One end of the wheel groove is provided with a first arc-shaped chamfer that can lift the pressure cap during the process of the planting frame being retracted into the box. The other end of the wheel groove is provided with a second arc-shaped chamfer that can automatically close the pressure cap on the planting frame after the planting frame is completely retracted into the box.

[0011] Preferably, a baffle corresponding to the stop plate is fixed on one side surface of the cover, a rotating plate is fixed on the other side surface of the cover, a fourth shaft fixed inside the box is rotatably connected to the rotating plate, and support rods are fixed on both sides of the bottom of the cover, and rollers that can roll in contact with the wheel groove are rotatably connected to the bottom of the support rods.

[0012] Preferably, the spraying mechanism includes a square tube frame, the bottom of which is provided with several rows of equally spaced spray holes and a mounting groove that is alternately arranged with the several rows of spray holes. A connecting pipe connected to a water pump is fixed to the outside of the square tube frame, and a supplementary lighting component is provided in the mounting groove.

[0013] Preferably, the supplementary lighting component includes a lamp panel, which is fixed in a mounting groove, and a matrix of lamps is arranged on the lamp panel.

[0014] Based on the above technical content, the present invention also proposes a processing method, including two modes of use under natural light and under non-natural light. When used under natural light, the first cylinder contracts, which drives the first pushing mechanism and the second pushing mechanism to move the planting frame out of the box. Then the second cylinder contracts, which drives the second pushing mechanism to adjust the planting frame to a suitable angle so as to fully receive the external natural light.

[0015] When used in non-natural light environments, the second cylinder extends, driving the second pushing mechanism to adjust the planting frame to a horizontal position. The first cylinder extends, driving the first and second pushing mechanisms to move the planting frame into the box. During this process, the pressure cover is stopped by the stop plate and maintains a certain angle, allowing the planting frame to push the pressure cover upwards first. When the planting frame moves to the initial position, the pressure cover can automatically close on the planting frame. At this time, the spraying mechanism inside the pressure cover is facing the rice seedlings in the planting frame below. The water pump works to supply the water stored in the pool to the spraying mechanism, which can spray the rice seedlings.

[0016] The beneficial effects of this invention are as follows:

[0017] This invention has two usage modes. When used under natural light, the first cylinder retracts, driving the first and second pushing mechanisms to move the planting frame out of the box. Then, the second cylinder retracts, driving the second pushing mechanism to adjust the planting frame to a suitable angle to fully receive natural light. When used under non-natural light, the second cylinder extends, driving the second pushing mechanism to adjust the planting frame to a horizontal position. Then, the first cylinder extends, driving the first and second pushing mechanisms to move the planting frame into the box. This allows the rice seeds planted in the planting frame to be retrieved into the box and protected by a cap, preventing the rice seeds from failing due to wind or rain. This solves the problem of manual handling required for daytime irradiation in existing technologies. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of a light-adjustable rice seed germination device and processing method proposed in this invention.

[0020] Figure 2 This is a schematic diagram of the planting frame and the first and second bottom pushing mechanisms proposed in this invention.

[0021] Figure 3 This is a schematic diagram of the first and second pushing mechanisms proposed in this invention;

[0022] Figure 4 This is a schematic diagram of the planting frame proposed in this invention when it is inside a box.

[0023] Figure 5 This is a schematic diagram of the structure of the planting frame proposed in this invention as it is being moved out of the box.

[0024] Figure 6 This is a schematic diagram of the planting frame under the adjusted angle state proposed in this invention;

[0025] Figure 7 This is a schematic diagram of the capping and spraying mechanism proposed in this invention;

[0026] Figure 8 This is a schematic diagram of the spray mechanism structure proposed in this invention;

[0027] In the diagram: 1. Box body; 2. Planting frame; 21. Wheel groove; 3. Water tank; 4. Water pump; 5. First pushing mechanism; 51. First swing arm; 52. First crossbar; 53. Second crossbar; 54. Third crossbar; 55. First shaft; 56. Fixed rod; 6. Second pushing mechanism; 61. Second swing arm; 62. Fourth crossbar; 63. Second shaft; 64. Fifth crossbar; 65. Third swing arm; 66. Support; 67. Third shaft; 7. First cylinder; 8. Second cylinder; 9. Pressure cap; 91. Baffle; 92. Rotating plate; 93. Fourth shaft; 94. Support rod; 95. Roller; 10. Spraying mechanism; 101. Square tube frame; 102. Spray hole; 103. Installation slot; 104. Light panel; 105. Matrix light group; 106. Connecting pipe; 11. Stop plate. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figure 1 and Figure 2 This invention provides a technical solution: an adjustable light-emitting rice seed germination device, comprising a box 1, with several layers of planting frames 2 arranged inside the box 1 for cultivating rice seed germination, a water tank 3 located on the inner bottom of the box 1, and a water pump 4 installed in the water tank 3 to supply water to the seeds, a set of first pushing mechanism 5 and second pushing mechanism 6 located at the bottom of each planting frame 2, a first cylinder 7 located between two adjacent planting frames 2 to drive the first pushing mechanism 5 and the second pushing mechanism 6 to adjust the planting frame 2 to be inside or outside the box 1, a second cylinder 8 located between the first pushing mechanism 5 and the second pushing mechanism 6 to drive the second pushing mechanism 6 to adjust the angle of natural light outside the box 1 for the planting frame 2, a pressure cap 9 located above the planting frame 2 to automatically seal the planting frame 2 after it is retracted into the box 1, a spraying mechanism 10 connected to the water pump 4 located on the inner bottom of the pressure cap 9, and stop plates 11 located on the inner walls of both sides of the box 1 to stop the pressure cap 9.

[0030] Based on the above embodiments, the present invention also proposes a processing method, including two modes of use under natural light and under non-natural light. When used under natural light, the first cylinder 7 is contracted, which drives the first pushing mechanism 5 and the second pushing mechanism 6 to move the planting frame 2 out of the box 1. Then, the second cylinder 8 is contracted, which drives the second pushing mechanism 6 to adjust the planting frame 2 to a suitable angle so as to fully receive the external natural light.

[0031] When used in non-natural light environments, the second cylinder 8 extends, driving the second pushing mechanism 6 to adjust the planting frame 2 to a horizontal position. The first cylinder 7 extends, driving the first pushing mechanism 5 and the second pushing mechanism 6 to move the planting frame 2 into the box 1. During this process, the pressure cover 9 is stopped by the stop plate 11 and maintains a certain angle, allowing the planting frame 2 to push the pressure cover 9 upward first. When the planting frame 2 moves to the initial position, the pressure cover 9 can automatically close on the planting frame 2. At this time, the spraying mechanism 10 inside the pressure cover 9 is facing the rice seedlings in the planting frame 2 below. The water pump 4 works to supply the water stored in the water tank 3 to the spraying mechanism 10, which can spray the rice seedlings.

[0032] Please see Figure 3 The first pushing mechanism 5 includes two symmetrically arranged first swing rods 51, both of which are "T" shaped. Each first swing rod 51 consists of a long rod section and a short rod section. The two ends of the long rod section of the two first swing rods 51 are fixedly connected to the third crossbar 54 via the first crossbar 52 and the middle of the long rod section of the two first swing rods 51 are rotatably connected to the first shaft 55 fixed inside the box 1. The ends of the short rod section of the two first swing rods 51 are fixedly connected to the second crossbar 53. The two sides of the first crossbar 52 are hinged to the fixing rods 56 fixed to the bottom surface of the planting frame 2. The two ends of the first cylinder 7 are respectively hinged to the middle of the third crossbar 54 on the two first pushing mechanisms 5 at the same horizontal height.

[0033] Please see Figure 3The second pushing mechanism 6 includes two symmetrically arranged second swing arms 61, both of which are "L"-shaped structures. Each second swing arm 61 consists of two short rod segments of equal length. The adjacent ends of the two second swing arms 61 are rotatably connected to a second shaft 63 fixed inside the housing 1, while the distant ends are fixedly connected to a fourth crossbar 62 and a fifth crossbar 64, respectively. A third swing arm 65 is hinged to both sides of the fourth crossbar 62. The end of the third swing arm 65 away from the fourth crossbar 62 is hinged to a support 66 via a third shaft 67. The support 66 is fixed to the bottom surface of the planting frame 2. One end of the second cylinder 8 is hinged to the middle of the second crossbar 53, and the other end of the second cylinder 8 is hinged to the middle of the fifth crossbar 64. In the initial state, both planting frames 2 are retracted inside the housing 1, while the pressure cap 9... The cover is placed on the planting frame 2. At this time, the first crossbar 52, the first shaft 55, the fourth crossbar 62 and the second shaft 63 are at the four vertices of the parallelogram, keeping the planting frame 2 horizontal. The first cylinder 7 retracts, pulling the third crossbars 54 on both sides, which in turn causes the first swing arm 51 and the second swing arm 61 to rotate counterclockwise with the first shaft 55 and the second shaft 63 respectively, moving the planting frame 2 out of the box 1. Then, keeping the extension and retraction length of the first cylinder 7 unchanged, the second cylinder 8 retracts, reducing the distance between the fifth crossbar 64 and the second crossbar 53, and pulling the second swing arm 61 to continue rotating counterclockwise. At this time, the third swing arm 65 begins to rotate clockwise relative to the second swing arm 61, so that the height of the right side of the planting frame 2 remains unchanged while the left side tends to sink, thus adjusting the planting frame 2 to a suitable angle.

[0034] Please see Figure 2 , Figure 7 and Figure 8The top two sides of the planting frame 2 are provided with wheel grooves 21. One end of the wheel groove 21 is provided with a first arc-shaped chamfer that can lift the cover 9 during the process of the planting frame 2 being retracted into the box 1. The other end of the wheel groove 21 is provided with a second arc-shaped chamfer that can allow the cover 9 to automatically close on the planting frame 2 after the planting frame 2 is completely retracted into the box 1. A baffle 91 corresponding to the stop plate 11 is fixed on one side surface of the cover 9. A rotating plate 92 is fixed on the other side surface of the cover 9. A fourth shaft 93 fixed inside the box 1 is rotatably connected to the rotating plate 92. Support rods 94 are fixed on both sides of the bottom of the cover 9. Rollers 95 that can roll in contact with the wheel grooves 21 are rotatably connected to the bottom of the support rods 94. 2. The planter is moved out of the box 1. During this process, the roller 95 at the bottom of the cover 9 is squeezed by the second arc-shaped chamfer of the wheel groove 21 and rotates upward with the fourth shaft 93 as the rotation point, so that the planting frame 2 and the rice seedlings in the planting frame 2 can be moved out of the box 1. When the planting frame 2 is retracted, the first arc-shaped chamfer presses on the roller 95, which can push the cover 9 upward first. During the process of the planting frame 2 being moved into the box 1, the roller 95 rolls horizontally along the wheel groove 21. When the planting frame 2 moves to the initial position, the roller 95 just rolls to the position of the second arc-shaped chamfer at the other end of the wheel groove 21. At this time, the cover 9 can automatically close on the planting frame 2 under the action of gravity.

[0035] Please see Figure 7 and Figure 8 The spraying mechanism 10 includes a square tube frame 101. The bottom of the square tube frame 101 has several rows of equally spaced spray holes 102, and a mounting groove 103 alternates with the rows of spray holes 102. A connecting pipe 106 connected to a water pump 4 is fixed to the outside of the square tube frame 101. A supplementary lighting assembly is installed inside the mounting groove 103. The supplementary lighting assembly includes a lamp plate 104, which is fixed inside the mounting groove 103. A matrix lamp group 10 is arranged on the lamp plate 104. 5. When the cover 9 is closed on the planting frame 2, the spray mechanism 10 inside the cover 9 is directly facing the rice seedlings in the planting frame 2 below. The water pump 4 operates to supply the water stored in the water tank 3 to the spray mechanism 10 through the connecting pipe 106. The rice seedlings can be sprayed through the spray holes 102 on the bottom surface of the square tube frame 101. Moreover, the matrix light group 105 on the light panel 104 can provide supplemental lighting for the rice seedlings grown from rice seeds in non-natural light environments.

[0036] The working principle and detailed usage process of this invention are as follows: Figure 2 and Figure 4 As shown, in the initial state, both planting frames 2 are folded inside the box 1, and the pressure cap 9 is closed on the planting frames 2. At this time, the first horizontal bar 52, the first shaft 55, the fourth horizontal bar 62 and the second shaft 63 are at the four vertices of the parallelogram, so that the planting frames 2 remain horizontal.

[0037] When used under natural light, the first cylinder 7 retracts, pulling the third crossbars 54 on both sides. This causes the first swing arm 51 and the second swing arm 61 to rotate counterclockwise around the first shaft 55 and the second shaft 63, respectively, moving the planting frame 2 out of the box 1. During this process, the roller 95 at the bottom of the pressure cover 9 is squeezed by the second arc-shaped chamfer of the wheel groove 21 and rotates upwards around the fourth shaft 93, allowing the planting frame 2 and the rice seedlings in the planting frame 2 to be moved out of the box 1. At this time, the planting frame 2 is like... Figure 5 As shown, while keeping the extension length of the first cylinder 7 constant, the second cylinder 8 retracts, reducing the distance between the fifth crossbar 64 and the second crossbar 53. This pulls the second swing arm 61 to continue rotating counterclockwise. At this time, the third swing arm 65 begins to rotate clockwise relative to the second swing arm 61, so that the right side of the planting frame 2 remains at a constant height while the left side tends to sink, thus adjusting the planting frame 2 to a suitable angle. At this time, the planting frame 2 presents... Figure 6 As shown in the posture, it can receive sufficient natural light from the outside outside the box 1;

[0038] When used in non-natural lighting environments, such as nighttime or rainy days when light intensity is insufficient, the second cylinder 8 extends, driving the second pushing mechanism 6 to adjust the planting frame 2 to a horizontal position. The first cylinder 7 extends, driving the first pushing mechanism 5, in conjunction with the second pushing mechanism 6, to move the planting frame 2 into the housing 1. During this process, the pressure cap 9 sinks under gravity and is stopped by the stop plate 11, maintaining a certain angle. The height of the roller 95 at this angle corresponds to the height of the first arc-shaped chamfer at one end of the wheel groove 21. Therefore, when the planting frame 2 is retracted, the pressure of the first arc-shaped chamfer on the roller 95 first lifts the pressure cap 9 upwards, and then the planting frame 2 is moved horizontally into the housing. During the process, the roller 95 rolls horizontally along the groove 21. When the planting frame 2 moves to the initial position, the roller 95 rolls to the position of the second arc-shaped chamfer at the other end of the groove 21. At this time, the cover 9 can automatically close on the planting frame 2 under the action of gravity. At this time, the spraying mechanism 10 inside the cover 9 is facing the rice seedlings in the planting frame 2 below. The water pump 4 works to supply the water stored in the pool 3 to the spraying mechanism 10 through the connecting pipe 106. The rice seedlings can be sprayed by the spray holes 102 on the bottom of the square tube frame 101. In addition, the matrix light group 105 on the light panel 104 can provide supplemental lighting for the rice seedlings grown from rice seeds in non-natural light environment, which is beneficial to growth and cultivation.

[0039] The above are merely preferred embodiments of the present invention and are 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 within the protection scope of the present invention.

Claims

1. A light-adjustable rice seed germination device, comprising a housing (1), characterized in that, The box (1) has several layers of planting frames (2) for cultivating rice seed germination. The bottom inner side of the box (1) is provided with a water pool (3), and the water pool (3) is provided with a water pump (4) to supply water to the seeds. Each planting frame (2) is provided with a first pushing mechanism (5) and a second pushing mechanism (6) at the bottom. A first cylinder (7) is provided between two adjacent planting frames (2) to drive the first pushing mechanism (5) and the second pushing mechanism (6) to adjust the planting frame (2) to be inside or outside the box (1). A second cylinder (8) is provided between the first pushing mechanism (5) and the second pushing mechanism (6) to drive the second pushing mechanism (6) to adjust the angle of natural light outside the planting frame (2) in the box (1). A pressure cap (9) is provided above the planting frame (2) and automatically seals the planting frame (2) after it is retracted into the box (1). A spraying mechanism (10) connected to the water pump (4) is provided on the inner side of the bottom of the pressure cap (9). A stop plate (11) is provided on the inner walls of both sides of the box (1) to stop the pressure cap (9). The first pushing mechanism (5) includes two symmetrically arranged first swing rods (51). Both first swing rods (51) are "T" shaped structures. The first swing rod (51) consists of a long rod section and a short rod section. The two ends of the long rod section of the two first swing rods (51) are fixedly connected to the third crossbar (54) through the first crossbar (52) and the middle position of the long rod section of the two first swing rods (51) is rotatably connected to the first shaft (55) fixed inside the box (1). The ends of the short rod section of the two first swing rods (51) are fixedly connected to the second crossbar (53). The two sides of the first crossbar (52) are hinged to the fixing rods (56) fixed to the bottom surface of the planting frame (2). The two ends of the first cylinder (7) are respectively hinged to the middle position of the third crossbar (54) of the two first pushing mechanisms (5) at the same horizontal height. The second pushing mechanism (6) includes two symmetrically arranged second swing rods (61). Both second swing rods (61) are "L" shaped structures. The second swing rods (61) are composed of two short rod segments of equal length. The two second swing rods (61) are rotatably connected to a second shaft (63) fixed inside the box (1) at their close ends. The far ends are fixedly connected to a fifth crossbar (64) via a fourth crossbar (62). The fourth crossbar (62) is hinged to two sides with a third swing rod (65). The third swing rod (65) is hinged to a support (66) via a third shaft (67) at its far end. The support (66) is fixed to the bottom surface of the planting frame (2). One end of the second cylinder (8) is hinged to the middle of the second crossbar (53), and the other end of the second cylinder (8) is hinged to the middle of the fifth crossbar (64). The top two sides of the planting frame (2) are provided with wheel grooves (21). One end of the wheel groove (21) is provided with a first arc-shaped chamfer that can lift the cover (9) during the process of the planting frame (2) being retracted into the box (1). The other end of the wheel groove (21) is provided with a second arc-shaped chamfer that can make the cover (9) automatically close on the planting frame (2) after the planting frame (2) is completely retracted into the box (1). One side surface of the cover (9) is fixed with a baffle (91) corresponding to the stop plate (11). The other side surface of the cover (9) is fixed with a rotating plate (92). The rotating plate (92) is rotatably connected with a fourth shaft (93) fixed in the box (1). The bottom two sides of the cover (9) are fixed with support rods (94). The bottom of the support rods (94) is rotatably connected with a roller (95) that can roll in contact with the wheel groove (21).

2. The light-adjustable rice seed germination device according to claim 1, characterized in that, The spraying mechanism (10) includes a square tube frame (101), the bottom of which is provided with several rows of equally spaced spray holes (102), and a mounting groove (103) alternately arranged with the several rows of spray holes (102). A connecting pipe (106) connected to a water pump (4) is fixed on the outside of the square tube frame (101), and a supplementary lighting component is provided in the mounting groove (103).

3. The light-adjustable rice seed germination device according to claim 2, characterized in that, The supplementary lighting component includes a lamp panel (104), which is fixed in a mounting groove (103) and has a matrix lamp group (105) arranged on it.

4. A method of using the light-adjustable rice seed germination device according to claim 1, characterized in that, It includes two modes: use under natural light and use under non-natural light. When used under natural light, the first cylinder (7) contracts, which drives the first pushing mechanism (5) and the second pushing mechanism (6) to move the planting frame (2) out of the box (1). Then the second cylinder (8) contracts, which drives the second pushing mechanism (6) to adjust the planting frame (2) to a suitable angle so that it can fully receive natural light from the outside. When used in non-natural light environment, the second cylinder (8) extends, driving the second pushing mechanism (6) to adjust the planting frame (2) to a horizontal position. The first cylinder (7) extends, driving the first pushing mechanism (5) and the second pushing mechanism (6) to move the planting frame (2) into the box (1). During this process, the pressure cover (9) is stopped by the stop plate (11) and maintains a certain angle, so that the planting frame (2) can push the pressure cover (9) upward first. When the planting frame (2) moves to the initial position, the pressure cover (9) can automatically close on the planting frame (2). At this time, the spraying mechanism (10) inside the pressure cover (9) is facing the rice seedling in the planting frame (2) below. The water pump (4) works to supply the water stored in the pool (3) to the spraying mechanism (10), so that the rice seedling can be sprayed.

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