A rice seedling raising and transplanting device and a method for automatically transplanting seedlings using the same

Abstract

The present application belongs to the technical field of agricultural machinery, and relates to a rice tray seedling raising and seedling lifting device and a method for automatically lifting seedlings by using the device. The present application mainly comprises a tray lifting shovel assembly, a lifting assembly, a clamping seedling lifting device and a dial roller device. The present application uses the tray lifting shovel assembly and the lifting assembly to lift the tray and lift the mature tray seedlings. Then, the synchronous belt clamping and conveying method is used to clamp the rice seedling tray and the mature rice tray seedlings and convey them. The device using the present application can greatly improve the production efficiency and effectively solve the problem of high labor intensity. The present application provides a rice tray seedling raising and seedling lifting device and a method, which are low in cost, high in practicability, simple in structure and can realize and promote the mechanization development of the rice tray seedling raising and seedling lifting.

Description

Technical Field

[0001] This invention belongs to the field of agricultural machinery technology, and relates to a rice tray seedling raising device and a method for automating seedling raising using the device. Background Technology

[0002] Rice is one of my country's most important food crops, widely cultivated throughout the country. Its planting area and total output rank first among food crops, and approximately 60% of the population relies on rice as their staple food. Rice cultivation generally relies on seedling transplanting, where rice seedlings are first prepared and then transplanted using a transplanter. Rice transplanters cannot directly separate the seedlings from the seedling trays and plant them; therefore, the seedlings and seedling trays must be separated beforehand to ensure timely transplanting to the field.

[0003] Currently, the method of manually separating seedlings during rice tray seedling raising suffers from labor shortages, low production efficiency, and high labor intensity. Therefore, developing a rice tray seedling raising and separating device is of great significance for improving the mechanization of rice production. Summary of the Invention

[0004] The purpose of this invention is to provide a rice tray seedling raising device and an automated seedling raising method using the device, so as to solve the problems of low efficiency in rice tray seedling raising, high labor intensity in the process of raising rice tray seedlings, and the ability to achieve mechanized operation in the process of raising rice tray seedlings.

[0005] To achieve the above objectives, the present invention provides the following technical solution.

[0006] A rice seedling raising device in a tray includes:

[0007] The frame (1) is provided with an inclined surface;

[0008] The lifting assembly (2) is set on the inclined surface;

[0009] The seedling collection rack (3) is set above the machine frame (1);

[0010] The lifting shovel assembly (4) is located at the lifting end of the lifting assembly (2);

[0011] The first drive wheel (5) is located at the unloading end of the lifting assembly (2);

[0012] The first support beam (6) is located between the seedling collection frame (3) and the lifting assembly (2) and is connected to the frame (1);

[0013] The second support beam (7) is located above the lifting assembly (2) and is connected to the frame (1);

[0014] The dial roller device (8) is located on the side of the second support beam (7) and above the lifting assembly (2);

[0015] The second drive wheel (9) is located on the side of the dial roller device (8). The dial roller device (8) passes through the dial roller frame (20) and is connected to the second drive wheel (9). The dial roller frame (20) is located on the inclined side of the frame (1).

[0016] A transmission chain (10) is disposed between the first transmission wheel (5) and the second transmission wheel (9) to make the first transmission wheel (5) and the second transmission wheel (9) rotate synchronously;

[0017] A seedling clamping device (11) is located below the first support beam (6);

[0018] The motor (12) is located between the first support beam (6) and the seedling clamping device (11);

[0019] The support frame (13) is set on the side of the second support beam (7) near the lifting shovel assembly (4), and the number of support frames (13) corresponds one-to-one with the number of clamping seedling taking devices (11);

[0020] The seedling tray guide plate (14) is set between the seedling collection frame (3) and the lifting assembly (2);

[0021] Seedling collection rack (15) is set below seedling collection rack (3);

[0022] The seedling tray conveyor (16) is arranged adjacent to the seedling collection rack (15) and is located below the feeding end of the lifting assembly (2);

[0023] Wheels (17) are located below the lifting assembly (2) and connected to the frame (1);

[0024] The front axle (18) is located on one side of the wheel (17) and is connected to the frame (1);

[0025] The caster wheel (19) is located below the seedling collection rack (15) and connected to the frame (1);

[0026] The power supply (21) is located between the wheel (17) and the caster wheel (19) and is connected to the frame (1).

[0027] Furthermore, the lifting assembly (2) includes a connecting frame (202), through which a drive shaft (201) and a driven shaft (204) pass respectively; sprockets (206) are provided on both sides of the drive shaft (201) and the driven shaft (204); a chain (203) is provided on the sprockets (206); a chain rod (205) is provided between the sprockets (206); a reducer (207) and a lifting motor (208) are provided on one side of the drive shaft (201).

[0028] Furthermore, the lifting shovel assembly (4) includes a lifting shovel (401); one end of the lifting shovel (401) has a toothed structure, and the other end is provided with a connecting rod (403); the connecting rod (403) is connected to the lifting assembly (2); a roller (402) is provided on the ground side of the lifting shovel (401).

[0029] Furthermore, the dial roller device (8) includes a cylinder (801); plugs (802) are provided at both ends of the cylinder (801); and a shaft head (803) is provided on the plug (802).

[0030] Further, the clamping and seedling-taking device (11) includes a divider (1101), a driven shaft (1102), a driven wheel (1103), a first clamping fixing frame (1104), a second clamping fixing frame (1105), a synchronous belt (1106), a spring (1107), a bearing (1108), a clamping pulley (1109), a gear (11010), and a drive shaft (11011); the divider (1101) is respectively installed at one end of the first clamping fixing frame (1104) and the second clamping fixing frame (1105); the driven shaft (1102) is installed at the end of the first clamping fixing frame (1104) and the second clamping fixing frame (1105) near the divider; the drive shaft (11011) is installed at the end of the first clamping fixing frame (1104) and the second clamping fixing frame (1105). The two clamping brackets (1105) are located away from the divider (1101) at one end; the clamping pulley (1109) and driven pulley (1103) are installed inside the first clamping bracket (1104) and the second clamping bracket (1105); the synchronous belt (1106) is installed on the clamping pulley (1109) and driven pulley (1103); the bearing (1108) is installed on the drive shaft (11011); the gear (11010) is installed on the drive shaft (11011); a spring (1107) is provided inside the synchronous belt (1106); the end of the first clamping bracket (1104) near the divider (1101) is designed to be bent outward; the end of the second clamping bracket (1105) near the divider (1101) is designed to be right-angled.

[0031] Furthermore, a handrail (22) is provided on the frame (1).

[0032] An automated method for raising rice seedlings using a rice tray seedling raising device includes the following steps:

[0033] Step 1: Seedling cultivation;

[0034] Step 2: When the seedlings are mature, the operator pushes the assembled rice tray seedling raising and lifting device forward as a whole. The lifting shovel (4) connected to the frame moves forward accordingly. The tip of the shovel contacts the lower edge of the seedling tray. Through the thrust, the bottom of the seedling tray is separated from the soil and lifted onto the shovel surface. Under the action of the thrust inertia, the seedling tray moves upward continuously and moves onto the lifting component (2).

[0035] Step 3: The lifting motor (208) drives the chain rod (205) to move counterclockwise backward, and the seedling tray on the lifting assembly (2) is conveyed upward as the lifting assembly (2) moves;

[0036] Step 4: When the seedling tray is conveyed to the position of the rotating roller device (8), the front edge of the seedling tray comes into contact with the rotating roller device (8), and at this time the seedlings on the seedling tray have been gradually fed into the clamping and seedling conveying device (11); relative to the ground, the starting angle of the clamping and seedling conveying device (11) is 55°, and the installation angle of the lifting component (2) is 25°; at this time, the motor (12) drives the clamping and seedling conveying device (11) to clamp and convey the seedlings upward at a 55° direction, and the rotating roller conveys the seedling tray backward at a 25° direction of the lifting device. Under the action of the angle difference, the seedlings and the seedling tray are effectively separated.

[0037] Step 5: Under the action of the rotating and pushing action of the rotating roller device (8), the separated seedling trays are pushed onto the seedling tray guide plate (14), and finally the separated seedling trays slide down onto the soil surface on one side of the machine through the guide plate;

[0038] Step 6: The seedling clamping device 11 transports the separated seedlings to the seedling collection rack (3), and the finally separated seedlings fall from the seedling collection rack (3) into the seedling collection rack (15).

[0039] Further, step 1 specifically involves using seedling trays with a length of 580 mm, a width of 280 mm, and a height of 22 mm during the seedling stage. The four corners of the tray are perfectly square, and the edges and corners are intact. To achieve the desired number of robust seedlings, 2-3 seedlings should be planted in each hole. The seedlings should be evenly distributed throughout the tray, maintaining a neat and upright shape. Furthermore, the roots of the seedlings should be tightly coiled within the tray so that they do not easily loosen when lifted. Seedlings of this specification are then raised in a seedling shed at a constant temperature of 20-25℃ to ensure good seedling growth.

[0040] Compared with the prior art, the beneficial effects of the present invention are as follows.

[0041] 1. In this invention, the seedling tray containing the seedlings can be separated from the soil by the tray-lifting shovel structure. The connecting rod in the tray-lifting structure can drive the rollers to adapt to uneven soil surfaces, allowing the tray-lifting shovel structure to smoothly contact the lower edge of the seedling tray and lift it onto the shovel surface. Under the action of inertia, it is then transferred to the lifting device. This solves the problem of manually bending over to pick up the seedling trays, greatly promoting the mechanization of seedling tray picking.

[0042] 2. In this invention, the lifting device plays a role in lifting the seedling trays and seedlings in the rice tray seedling raising and lifting device. Through a chain rod, lifting chain, sprocket, drive shaft, driven shaft, frame, and motor, the seedling trays can be smoothly transported to the positions of the pallet roller device and the seedling clamping and picking device. The lifting device uses a lifting chain rod as the main lifting mechanism, which effectively prevents the clay at the bottom of the seedling trays from adhering to the lifting device. This allows the seedling trays to be transported smoothly on the lifting device, ensuring the efficiency and continuity of subsequent seedling separation from the seedling trays.

[0043] 3. In this invention, the rotating roller consists of a cylinder, a plug, and a shaft. When the seedling clamping device clamps the seedlings, the rotating roller provides rolling support to the seedling tray, effectively separating the seedling tray from the seedlings. The linear velocity of the rotating roller is the same as the lifting speed of the lifting device, but the direction of the linear velocity of the rotating roller is opposite to the direction of the lifting speed of the lifting device. This is beneficial for supporting and transporting the seedling tray.

[0044] 4. In this invention, the seedling clamping device is the core component of the rice tray seedling raising device, possessing the functions of clamping, receiving, and transporting rice seedlings. The first clamping fixing frame of the seedling clamping device has an outwardly curved end that first contacts the seedling, while the second clamping fixing frame remains upright. This allows the seedling clamping device to feed in more rice seedlings, enhancing the stability of the clamping and transporting process. The seedling clamping belt uses a synchronous belt for clamping and transporting. Because rice seedling stems are relatively soft, a sponge is added to the side of the synchronous belt that contacts the seedling. This prevents damage to the rice seedlings and ensures effective clamping and transport. When clamping the seedlings, the gap between the synchronous belt and the seedlings is adjusted by the clamping pulley. The clamping pulley is connected to a spring to adjust its vertical movement, enabling stable operation with rice varieties of different stem lengths. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of the overall structure of a rice tray seedling raising device according to the present invention.

[0046] Figure 2 This is a side view of the overall structure of a rice tray seedling raising device according to the present invention.

[0047] Figure 3This is a side and top view schematic diagram of the overall structure of the rice tray seedling raising device of the present invention.

[0048] Figure 4 This is a schematic diagram of the lifting component structure of the present invention.

[0049] Figure 5 This is a schematic diagram of the structure of the lifting shovel assembly of the present invention.

[0050] Figure 6 This is a schematic diagram of the structure of the dial roller device of the present invention.

[0051] Figure 7 This is a schematic diagram of the structure of the seedling clamping and picking device of the present invention.

[0052] Figure 8 This is a schematic diagram of the first clamping and fixing frame structure of the present invention.

[0053] Figure 9 This is a schematic diagram of the second clamping and fixing frame structure of the present invention.

[0054] In the diagram: 1. Frame; 2. Lifting assembly; 3. Seedling collection rack; 4. Seedling tray lifting shovel assembly; 5. First drive wheel; 6. First support beam; 7. Second support beam; 8. Dial roller device; 9. Second drive wheel; 10. Drive chain; 11. Seedling clamping and picking device; 12. Motor; 13. Support frame; 14. Seedling tray guide plate; 15. Seedling collection rack; 16. Seedling tray conveyor frame; 17. Wheel; 18. Front axle; 19. Casters; 20. Dial roller frame; 21. Power supply; 22. Handrail; 201. Drive shaft; 202. Connecting frame; 203. Chain; 204, driven shaft; 205, chain rod; 206, sprocket; 207, reducer; 208, lifting motor; 401, lifting shovel; 402, roller; 403, connecting rod; 801, cylinder; 802, plug; 803, shaft end; 1101, divider; 1102, driven shaft; 1103, driven wheel; 1104, first clamping frame; 1105, second clamping frame; 1106, synchronous belt; 1107, spring; 1108, bearing; 1109, clamping pulley; 11010, gear; 11011, drive shaft. Detailed Implementation

[0055] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0056] Example 1.

[0057] like Figures 1-3 As shown: A rice seedling raising device in a tray includes:

[0058] The frame (1) is provided with an inclined surface; the lifting assembly (2) is provided on the inclined surface and is bolted to the frame (1); the seedling collection rack (3) is provided above the frame (1); the lifting shovel assembly (4) is provided at the lifting end of the lifting assembly (2); the first drive wheel (5) is provided at the unloading end of the lifting assembly (2); the first support beam (6) is provided between the seedling collection rack (3) and the lifting assembly (2) and is bolted to the frame (1); the second support beam (7) is provided above the lifting assembly (2) and is connected to the frame (1); the lever The disc roller device (8) is located on the side of the second support beam (7) and above the lifting assembly (2); the second transmission wheel (9) is located on the side of the disc roller device (8), the disc roller device (8) passes through the disc roller frame (20) and is bolted to the second transmission wheel (9), the disc roller frame (20) is bolted to the inclined side of the frame (1); the transmission chain (10) is located between the first transmission wheel (5) and the second transmission wheel (9) to make the first transmission wheel (5) and the second transmission wheel (9) rotate synchronously; the clamping seedling taking device (11) Four sets of four are located below the first support beam (6); a motor (12) is located between the first support beam (6) and the clamping and picking device (11), and between the second and third sets of clamping and picking devices (11); a support frame (13) is located on the side of the second support beam (7) near the lifting shovel assembly (4), and the number of support frames (13) corresponds one-to-one with the number of clamping and picking devices (11); a seedling tray guide plate (14) is located between the seedling collection frame (3) and the lifting assembly (2); and a seedling collection rack (15) is located on the seedling collection frame. Below (3); seedling tray conveyor (16), which is adjacent to the seedling collection rack (15) and located below the feeding end of the lifting assembly (2); wheel (17), which is located below the lifting assembly (2) and connected to the frame (1); front axle (18), which is located on one side of the wheel (17) and bolted to the frame (1); universal wheel (19), which is located below the seedling collection rack (15) and connected to the frame (1); power supply (21), which is located between the wheel (17) and the universal wheel (19) and connected to the frame (1).

[0059] The prepared rice tray seedling raising and lifting device solves the problem of manual bending over to pick up seedling trays, greatly promoting the mechanization of seedling tray picking; and ensuring the efficiency and continuity of subsequent seedling separation from seedling trays.

[0060] like Figure 4As shown, the lifting assembly (2) includes a connecting frame (202), through which a drive shaft (201) and a driven shaft (204) pass respectively; sprockets (206) are provided on both sides of the drive shaft (201) and the driven shaft (204); a chain (203) is provided on the sprockets (206); a chain rod (205) is provided between the sprockets (206); a reducer (207) and a lifting motor (208) are provided on one side of the drive shaft (201).

[0061] The lifting assembly in the rice tray seedling raising device plays a role in lifting the seedling trays and seedlings. When lifting the seedling trays that have been lifted by the scoop, the trays will adhere the clay underneath to the lifting assembly. Therefore, the lifting assembly should be a chain type. Compared to conveyor belt type lifting devices, chain type lifting devices have the function of shaking off the remaining clay. The lifting assembly is mounted on the frame at a 25° angle to the ground.

[0062] like Figure 5 As shown, the lifting shovel assembly (4) includes a lifting shovel (401); one end of the lifting shovel (401) has a toothed structure, and the other end is provided with a connecting rod (403); the connecting rod (403) is connected to the lifting assembly (2); a roller (402) is provided on the ground side of the lifting shovel (401). The purpose of providing the roller (402) is to enable the lifting shovel to adapt to uneven soil surfaces, so that it can complete the lifting operation smoothly and efficiently.

[0063] like Figure 6 As shown, the dial roller device (8) includes a cylinder (801); plugs (802) are provided at both ends of the cylinder (801); and a shaft head (803) is provided on the plug (802).

[0064] When the seedling clamping device clamps the seedlings, the rollers of the chuck provide rolling support to the seedling tray, so as to effectively separate the seedling tray from the seedlings. The linear speed of the rollers is the same as the lifting speed of the lifting device, but the direction of the linear speed of the rollers is opposite to the direction of the lifting speed of the lifting device. This is beneficial for supporting and transporting the seedling tray.

[0065] like Figures 7-9As shown, the seedling clamping device (11) includes a divider (1101), a driven shaft (1102), a driven wheel (1103), a first clamping frame (1104), a second clamping frame (1105), a synchronous belt (1106), a spring (1107), a bearing (1108), a clamping pulley (1109), a gear (11010), and a drive shaft (11011). The divider (1101) is installed at one end of the first clamping frame (1104) and the second clamping frame (1105); the driven shaft (1102) is installed at the end of the first clamping frame (1104) and the second clamping frame (1105) near the divider; the drive shaft (11011) is installed at the end of the first clamping frame (1104) and the second clamping frame (1105). The clamping bracket (1105) is located away from the divider (1101); the clamping pulley (1109) and the driven pulley (1103) are installed inside the first clamping bracket (1104) and the second clamping bracket (1105); the synchronous belt (1106) is installed on the clamping pulley (1109) and the driven pulley (1103); the bearing (1108) is installed on the drive shaft (11011); the gear (11010) is installed on the drive shaft (11011); a spring (1107) is provided inside the synchronous belt (1106); the end of the first clamping bracket (1104) near the divider (1101) is designed to be bent outward; the end of the second clamping bracket (1105) near the divider (1101) is designed to be right-angled.

[0066] When designing the fixing frame of the seedling clamping and picking device, to allow more rice seedlings to be fed into the device, the first clamping fixing frame, at the end that first contacts the seedling, is designed with an outward bending structure, while the second clamping fixing frame remains upright. The seedling clamping and picking device is the core component of the rice tray seedling raising and picking device. It has the functions of clamping, receiving, and conveying rice seedlings. The clamping belt uses a synchronous belt for clamping and conveying. Because the rice seedling stems are relatively soft, a sponge is added to the side of the synchronous belt that contacts the seedling to prevent damage and ensure effective clamping and conveying. When clamping the seedlings, the clamping device adjusts the gap of the synchronous belt by using clamping pulleys. The clamping pulleys are connected to springs to adjust their vertical movement. The power source for the clamping and picking conveying device is a motor drive, which drives gears and chains to drive all the clamping and picking devices in the same direction.

[0067] The frame 1 is equipped with a handrail 22 to facilitate the forward movement of the rice seedling raising device.

[0068] Example 2.

[0069] An automated method for raising rice seedlings using a rice tray seedling raising device includes the following steps:

[0070] Step 1: During the seedling stage, use seedling trays with a length of 580 mm, a width of 280 mm, and a height of 22 mm. The four corners of the tray should be perfectly square, with intact edges and corners. To achieve the desired number of robust seedlings, plant 2-3 seedlings per hole. The seedlings should be evenly distributed throughout the tray, maintaining a neat and upright shape. Furthermore, the roots of the seedlings should be tightly coiled within the tray so that they do not easily loosen when lifted. Use these trays in a seedling shed, maintaining a constant temperature of 20-25℃ to ensure good seedling growth.

[0071] Step 2: When the seedlings are mature, the operator pushes the assembled rice tray seedling raising and lifting device forward as a whole. The lifting shovel (4) connected to the frame moves forward accordingly. The tip of the shovel contacts the lower edge of the seedling tray. Through the thrust, the bottom of the seedling tray is separated from the soil and lifted onto the shovel surface. Under the action of the thrust inertia, the seedling tray moves upward continuously and moves onto the lifting component (2).

[0072] Step 3: The lifting motor (208) drives the chain rod (205) to move counterclockwise backward, and the seedling tray on the lifting assembly (2) is conveyed upward as the lifting assembly (2) moves;

[0073] Step 4: When the seedling tray is conveyed to the position of the rotating roller device (8), the front edge of the seedling tray comes into contact with the rotating roller device (8), and at this time the seedlings on the seedling tray have been gradually fed into the clamping and seedling conveying device (11); relative to the ground, the starting angle of the clamping and seedling conveying device (11) is 55°, and the installation angle of the lifting component (2) is 25°; at this time, the motor (12) drives the clamping and seedling conveying device (11) to clamp and convey the seedlings upward at a 55° direction, and the rotating roller conveys the seedling tray backward at a 25° direction of the lifting device. Under the action of the angle difference, the seedlings and the seedling tray are effectively separated.

[0074] Step 5: Under the action of the rotating and pushing action of the rotating roller device (8), the separated seedling trays are pushed onto the seedling tray guide plate (14), and finally the separated seedling trays slide down onto the soil surface on one side of the machine through the guide plate;

[0075] Step 6: The seedling clamping device 11 transports the separated seedlings to the seedling collection rack (3), and the finally separated seedlings fall from the seedling collection rack (3) into the seedling collection rack (15).

[0076] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 rice seedling raising and transplanting device in a rice tray, characterized in that, include: The frame (1) is provided with an inclined surface; The lifting assembly (2) is disposed on the inclined surface; A seedling collection rack (3) is installed above the frame (1); A lifting shovel assembly (4) is disposed at the lifting end of the lifting assembly (2); the lifting shovel assembly (4) includes a lifting shovel (401); one end of the lifting shovel (401) has a toothed structure, and the other end is provided with a connecting rod (403); the connecting rod (403) is connected to the lifting assembly (2); a roller (402) is provided on the ground side of the lifting shovel (401). The first transmission wheel (5) is located at the unloading end of the lifting assembly (2); The first support beam (6) is located between the seedling collection frame (3) and the lifting assembly (2), and is connected to the frame (1); The second support beam (7) is located above the lifting assembly (2) and is connected to the frame (1); The dial roller device (8) is located on the side of the second support beam (7) and above the lifting assembly (2); The second drive wheel (9) is located on the side of the dial roller device (8). The dial roller device (8) passes through the dial roller frame (20) and is connected to the second drive wheel (9). The dial roller frame (20) is located on the inclined side of the frame (1). A transmission chain (10) is disposed between the first transmission wheel (5) and the second transmission wheel (9) to make the first transmission wheel (5) and the second transmission wheel (9) rotate synchronously; A seedling clamping device (11) is located below the first support beam (6); The motor (12) is located between the first support beam (6) and the seedling clamping device (11); The support frame (13) is located on the side of the second support beam (7) near the lifting shovel assembly (4), and the number of the support frames (13) corresponds one-to-one with the number of the clamping seedling taking devices (11). The seedling tray guide plate (14) is located between the seedling collection frame (3) and the lifting component (2); A seedling collection rack (15) is set below the seedling collection rack (3); The seedling tray conveyor (16) is arranged adjacent to the seedling collection rack (15) and is located below the feeding end of the lifting assembly (2); Wheels (17) are located below the lifting assembly (2) and connected to the frame (1); The front axle (18) is located on one side of the wheel (17) and is connected to the frame (1); The caster wheel (19) is located below the seedling collection rack (15) and is connected to the frame (1); The power supply (21) is located between the wheel (17) and the caster wheel (19) and is connected to the frame (1); the lifting angle of the clamping seedling device (11) is 55° and the installation angle of the lifting component (2) is 25°. The dial roller device (8) comprises a barrel (801), the barrel (801) is provided with a plug (802) at both ends, the plug (802) is provided with a shaft head (803), under the rotation dial of the dial roller device (8), the separated seedling tray is dialled to the seedling tray guide plate (14).

2. The rice seedling raising and transplanting device of claim 1, wherein The lifting assembly (2) comprises a connecting frame (202), shaft holes of the connecting frame (202) are respectively penetrated by a driving shaft (201) and a first driven shaft (204), both sides of the driving shaft (201) and the first driven shaft (204) are provided with sprockets (206), the sprockets (206) are provided with chains (203), chain rods (205) are arranged between the sprockets (206), and one side of the driving shaft (201) is respectively provided with a speed reducer (207) and a lifting motor (208).

3. The rice seedling raising and transplanting device of claim 2, wherein The clamping seedling device (11) comprises a divider (1101), a second driven shaft (1102), a driven wheel (1103), a first clamping fixed frame (1104), a second clamping fixed frame (1105), a synchronous belt (1106), a spring (1107), a bearing (1108), a clamping pulley (1109), a gear (11010) and a driving shaft (11011); the divider (1101) is installed at one end of the first clamping fixed frame (1104) and the second clamping fixed frame (1105); the second driven shaft (1102) is installed at one end of the first clamping fixed frame (1104) and the second clamping fixed frame (1105) close to the divider; the driving shaft (11011) is installed at one end of the first clamping fixed frame (1104) and the second clamping fixed frame (1105) away from the divider (1101); the clamping pulley (1109) and the driven wheel (1103) are installed on the inner side of the first clamping fixed frame (1104) and the second clamping fixed frame (1105); the synchronous belt (1106) is installed on the clamping pulley (1109) and the driven wheel (1103); the bearing (1108) is installed on the driving shaft (11011); the gear (11010) is installed on the driving shaft (11011); the spring (1107) is arranged on the inner side of the synchronous belt (1106); one end of the first clamping fixed frame (1104) close to the divider (1101) is designed as an outwardly curved structure; one end of the second clamping fixed frame (1105) close to the divider (1101) is designed as a right angle structure.

4. The rice seedling raising and transplanting device of claim 1, wherein The machine frame (1) is provided with an armrest (22).

5. The method for automated seedling raising using a rice tray seedling raising device as described in claim 3, characterized in that, The method comprises the following steps: Step 1: seedling raising; Step 2: at the mature stage of the seedlings, an operator pushes the assembled rice tray seedling raising and seedling lifting device as a whole forward, the tray lifting shovel (401) connected to the machine frame moves forward, the shovel tip contacts the lower edge of the seedling tray, the bottom end of the seedling tray is separated from the soil through the pushing force and is lifted to the shovel face of the tray lifting shovel, under the action of the inertia of the pushing force, the seedling tray continuously moves upward and moves to the lifting assembly (2). Step 3: The lifting motor (208) drives the chain rod (205) to move counterclockwise backward, and the seedling tray on the lifting assembly (2) is conveyed upward along with the movement of the lifting assembly (2); Step 4: When the seedling tray is conveyed to the position of the dial roller device (8), the front edge of the seedling tray is in contact with the dial roller device (8), and at this time the seedlings on the seedling tray have been gradually fed into the clamping and taking device (11); The pulling angle of the clamping and taking device (11) is 55° relative to the ground, and the installation angle of the lifting assembly (2) is 25°; At this time, the motor (12) drives the clamping and taking device (11) to clamp and convey the seedlings upward at an angle of 55°, and the dial roller conveys the seedling tray backward at an angle of 25° relative to the lifting device, and the seedlings and the seedling tray are effectively separated under the action of the angle difference; Step 5: Under the action of the dial roller device (8) rotating and pushing, the separated seedling tray is pushed onto the seedling tray guide plate (14), and the finally separated seedling tray slides onto the soil ground on one side of the whole machine through the guide plate; Step 6: The clamping and taking device (11) conveys the separated seedlings to the seedling collecting frame (3), and the finally separated seedlings fall from the seedling collecting frame (3) to the seedling collecting frame (15).

6. The method of claim 5, wherein the rice seedling raising and transplanting apparatus is used to automatically transplant the rice seedlings. Step 1: During the seedling raising period, a seedling tray with a length of 580 mm, a width of 280 mm, and a height of 22 mm is used; The four corners of the seedling tray are perpendicular to the square, and the edges and corners are intact; In order to achieve the expected number of finished product seedlings, 2-3 seedlings need to be planted in each hole; The seedlings need to be evenly distributed on the entire seedling tray and maintain a neat and upright shape; In addition, the roots of the seedlings need to be tightly knotted in the seedling tray, so that they are not easy to loosen when lifted; This specification seedling tray is used for seedling raising in a seedling raising shed, and constant temperature seedling raising is carried out in the seedling raising shed at 20-25℃, so that the seedlings grow well.

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