An automatic seedling raising device and a seedling raising method

Abstract

The application relates to the technical field of seedling raising, in particular to an automatic seedling raising device and a seedling raising method, which solve the problems that the thickness of seed pellets cannot be controlled conveniently during seedling raising, the seed cannot be sown automatically conveniently, and sowing efficiency is low. The automatic seedling raising device and the seedling raising method comprise a circulating raw material mechanism, a circulating coating material mechanism and a quantitative sowing mechanism, the inner side of the circulating raw material mechanism is provided with the quantitative sowing mechanism, the upper end of the circulating raw material mechanism is provided with a spraying and humidifying mechanism, the outer side of the spraying and humidifying mechanism is provided with a plurality of circulating coating material mechanisms, the circulating raw material mechanism comprises a supporting base, the upper end surface of the supporting base is fixedly provided with a mounting tank body, and the inner wall of the mounting tank body is fixedly provided with a vibration motor. The seed is subjected to multi-stage humidification and powder coating, the thickness of the seed coat can be effectively adjusted, the seed can be sown automatically conveniently, and the sowing and seedling raising efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of seedling raising, in particular to an automatic seedling raising device and method. BACKGROUND

[0002] Seedling raising refers to the process of cultivating seedlings in a nursery, seedbed or greenhouse for transplanting to the land for planting. It also refers to the stage of protecting a biological organism until it can survive independently. Before automatic seedling raising, seed pelleting technology is used to coat a layer of "clothing" on the surface of small particles, irregular or particularly light seeds through specific equipment. This technology not only changes the shape and size of the seeds, but also improves the germination rate of the seeds and the quality of the seedlings, thereby promoting crop yield.

[0003] The existing seed is not convenient to control the thickness of seed pelleting when seedling raising, and it is not convenient to automatically sow seeds, and the sowing efficiency is low. Therefore, it does not meet the existing needs, and for this purpose, an automatic seedling raising device and method are proposed. SUMMARY

[0004] The present application aims to provide an automatic seedling raising device and method to solve the problems of the existing seed in the background art, such as the inconvenience of controlling the thickness of seed pelleting when seedling raising, the inconvenience of automatically sowing seeds, and the low sowing efficiency.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an automatic seedling raising device, comprising a circulating clinker mechanism, a circulating coating mechanism and a quantitative seeding mechanism, the inner side of the circulating clinker mechanism is installed with a quantitative seeding mechanism, the upper end of the circulating clinker mechanism is installed with a spraying and humidifying mechanism, the outer side of the spraying and humidifying mechanism is installed with a plurality of circulating coating mechanisms, the circulating clinker mechanism comprises a supporting base, the upper end surface of the supporting base is fixedly installed with an installation tank body, the inner wall of the installation tank body is fixedly installed with a vibration motor, the inner side of the upper end of the installation tank body is fixedly installed with a first transmission motor, the upper end surface of the installation tank body is rotatably connected with a transmission frame, the outer side of the transmission frame is fixedly installed with a rotating ring, one side of the rotating ring is fixedly installed with a feeding end, a plurality of coating sieve plates are fixedly installed in the rotating ring.

[0006] The quantitative seeding mechanism comprises a breeding conveying mechanism fixedly connected with a support base, a third transmission motor fixedly installed on one side of the breeding conveying mechanism, a conveying belt movably installed on the inner side of the breeding conveying mechanism, a placing disc installed on the upper end surface of the conveying belt, a plurality of breeding boxes installed on the inner side of the placing disc, and cultivating soil filled in the inner side of the breeding box.

[0007] Preferably, the spraying humidifying mechanism comprises two support angle plates, an arc-shaped liquid storage sleeve plate fixedly installed on the upper ends of the two support angle plates, three first coverages fixedly installed on the upper end surface of the arc-shaped liquid storage sleeve plate, a liquid conveying pipe installed on the upper end of the first coverage, a spraying seat installed on the inner side of the first coverage, three second coverages fixedly installed on the lower end surface of the arc-shaped liquid storage sleeve plate, and a dehumidification fan box fixedly installed on the inner side of the bottom end of the second coverage.

[0008] Preferably, the circulating wrapping mechanism comprises a storage tank, a conveying sleeve fixedly installed on the upper end of the storage tank, a second transmission motor fixedly installed on the upper end of the conveying sleeve, a spiral conveying frame rotatably connected to the inner side of the conveying sleeve, a first powder conveying elbow fixedly installed on one side of the upper end of the conveying sleeve, and a second powder conveying elbow fixedly installed on one side of the bottom end of the conveying sleeve.

[0009] Preferably, the output end of the first transmission motor penetrates the installation tank and is fixedly connected with the transmission frame, a plurality of wrapping sieve plates are uniformly arranged in a circle relative to the axis of the installation tank, and a plurality of sieve holes are arranged on the upper end surface of each wrapping sieve plate.

[0010] Preferably, the two ends of the arc-shaped liquid storage sleeve plate are fixedly connected with the installation tank through the support angle plate, one end of the liquid conveying pipe penetrates the first coverage and is inserted into the inner side of the spraying seat, the arc-shaped liquid storage sleeve plate is connected with the three spraying seats through the liquid conveying pipe, the spraying seat is fixedly connected with the first coverage, and a plurality of spraying nozzles are arranged on the lower end surface of the spraying seat.

[0011] Preferably, the output end of the second transmission motor penetrates the conveying sleeve and is connected with the upper end of the spiral conveying frame through a shaft coupling, the spiral conveying frame rotates counterclockwise, the storage tank, the first powder conveying elbow and the second powder conveying elbow are connected through the conveying sleeve, the inside of the storage tank is filled with powder, and the powder is made by grinding insecticides, fungicides, antifreezes, water-retaining agents and plant growth regulators.

[0012] Preferably, the diameter of the downcomer is smaller than that of the wrapping screen disc, the bottom end of the downcomer penetrates through the connecting frame and is fixedly connected with the fan-shaped pushing plate, the downcomer is connected with the fan-shaped pushing plate, the lower end surface of the fan-shaped pushing plate is provided with a plurality of seeding holes, and the inner side of the seeding hole is provided with an electromagnetic valve.

[0013] Preferably, the output end of the electric push rod penetrates through the connecting frame and is fixedly connected with the downcomer, the downcomer vertically reciprocatingly slides relative to the connecting frame, the inner side of both ends of the conveying belt is provided with a transmission roller, the output end of the third transmission motor penetrates through the breeding conveying mechanism and is fixedly connected with one of the transmission rollers, and the conveying belt is connected with the breeding conveying mechanism through the two transmission rollers.

[0014] An automatic seedling raising method comprises the following steps:

[0015] S1: the screened seeds are placed on the upper end surface of the wrapping screen disc through the feeding end, the power is turned on, the first transmission motor is started, the first transmission motor drives the rotating ring and the plurality of wrapping screen discs to rotate counterclockwise under the support of the mounting can body through the transmission frame, there is one working position section between two adjacent wrapping screen discs, the rotation angle is one working position section each time, the vibration motor is started, and the vibration motor drives the plurality of wrapping screen discs to vibrate synchronously under the support of the mounting can body;

[0016] S2: the arc-shaped liquid storage sleeve plate and the three spraying seats are connected through the liquid conveying pipes, the lower end surface of the spraying seat is provided with a plurality of spraying nozzles, liquid on the inner side of the arc-shaped liquid storage sleeve plate is conveyed to the spraying seat through one of the liquid conveying pipes, and the seeds are sprayed by the spraying nozzles, so that the surface of the seeds in the vibrating state is fully moisturized;

[0017] S3: after the moisturizing is completed, the wrapping screen disc is rotated to below the first powder conveying elbow, the second transmission motor is started, the second transmission motor drives the spiral conveying frame to rotate counterclockwise under the support of the conveying sleeve, the inside of the storage tank is filled with powder made of insecticides, fungicides, antifreeze agents, water-retaining agents and plant growth regulators, the powder is conveyed to the wrapping screen disc by the spiral conveying frame and the first powder conveying elbow, the surface of the seeds in the vibrating state is fully wrapped, the wrapping screen disc is continuously rotated to moisturize and wrap the seeds three times, and the coat of the seeds is formed;

[0018] S4: when the coat is supported on the surface of the seeds, the wrapping screen disc moves to the upper end of the downcomer, the electric push rod is started, the electric push rod drives the downcomer to move downward under the support of the connecting frame, and the downcomer extracts the seeds on the wrapping screen disc to the inner side of the fan-shaped pushing plate;

[0019] S5: start the third transmission motor, so that the third transmission motor is supported by the breeding conveying mechanism through the transmission belt to drive the placing disc and the breeding box to move horizontally, the lower end face of the fan-shaped stirring plate is provided with a sowing hole, and the inner side of the sowing hole is provided with an electromagnetic valve, so that the inner side of the breeding box can be accurately sowed through the fan-shaped stirring plate and cultivated by the cultivation soil filled in the inner side of the breeding box.

[0020] Compared with the prior art, the beneficial effects of the present application are:

[0021] 1、 the first transmission motor drives the rotating ring and the plurality of wrapping screens to rotate counterclockwise through the transmission frame, and each rotation angle is a work station section, the vibration motor drives the plurality of wrapping screens to vibrate synchronously, the lower end face of the spraying seat is provided with a plurality of spraying nozzles, liquid in the arc-shaped liquid storage sleeve plate is conveyed to the spraying seat through the liquid conveying pipe, and the seeds are sprayed by the spraying nozzles, so that the seed surface in the vibration state is fully humidified.

[0022] 2、 the second transmission motor drives the spiral conveying frame to rotate counterclockwise, the inside of the storage tank is filled with powder made of insecticides, bactericides, antifreeze agents, water retaining agents and plant growth regulators, and the powder is conveyed to the wrapping screen through the spiral conveying frame and the first powder conveying elbow, so that the seed surface in the vibration state is fully coated, and the thickness of the seed coat is controlled by continuously rotating the wrapping screen.

[0023] 3、 the electric push rod drives the discharging elbow to move downward, the discharging elbow extracts the seeds on the wrapping screen to the inner side of the fan-shaped stirring plate, the third transmission motor drives the placing disc and the breeding box to move horizontally through the transmission belt, the lower end face of the fan-shaped stirring plate is provided with a sowing hole, and the inner side of the sowing hole is provided with an electromagnetic valve, so that the inner side of the breeding box can be accurately sowed through the fan-shaped stirring plate and cultivated by the cultivation soil filled in the inner side of the breeding box. DETAILED DESCRIPTION

[0024] Figure 1 It is a structure schematic view of the whole application;

[0025] Figure 2 It is a top view of the whole application;

[0026] Figure 3 It is a front view of the whole application;

[0027] Figure 4 It is a cross-sectional structure schematic view of the rotating ring of the application;

[0028] Figure 5 It is a cross-sectional structure schematic view of the whole application;

[0029] Figure 6 The cross-sectional structure diagram of the circulating clinker mechanism of the present application is shown in the figure.

[0030] Figure 7 The structure diagram of the spraying and humidifying mechanism of the present application is shown in the figure.

[0031] Figure 8 The enlarged structure diagram of the A area of the present application is shown in the figure. Figure 6

[0032] Figure 9 The local structure diagram of the quantitative seeding mechanism of the present application is shown in the figure.

[0033] In the figure: 1, circulating clinker mechanism; 101, supporting base; 102, mounting tank body; 103, feeding end; 104, rotating ring; 105, transmission frame; 106, wrapping sieve disc; 107, first transmission motor; 108, vibration motor; 2, spraying and humidifying mechanism; 201, arc-shaped liquid storage sleeve plate; 202, liquid conveying pipe; 203, supporting angle plate; 204, first covering cover; 205, second covering cover; 206, spraying seat; 207, dehumidifying fan box; 3, circulating wrapping mechanism; 301, storage tank; 302, conveying sleeve pipe; 303, second transmission motor; 304, first powder conveying elbow pipe; 305, second powder conveying elbow pipe; 306, spiral conveying frame; 4, quantitative seeding mechanism; 401, breeding conveying mechanism; 402, third transmission motor; 403, conveying belt; 404, discharging elbow pipe; 405, connecting frame; 406, electric push rod; 407, fan-shaped stirring plate; 408, placing disc; 409, breeding box. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0035] The first transmission motor 107 (model YS7134), the vibration motor 108 (model JZO-50-4), the second transmission motor 303 (model GV50-3.7KW-60-S), the third transmission motor 402 (model YS7134) and the electric push rod 406 (model LBP40) mentioned in the present application can be purchased from the market or customized privately.

[0036] Please refer to Figures 1 to 6 ​The application provides an automatic seedling raising device which comprises a circulating raw material mechanism 1, a circulating coating material mechanism 3 and a quantitative seeding mechanism 4. The circulating raw material mechanism 1 comprises a supporting base 101, the upper end surface of the supporting base 101 is fixedly provided with a mounting tank 102, the inner wall of the mounting tank 102 is fixedly provided with a vibration motor 108, the inner side of the upper end of the mounting tank 102 is fixedly provided with a first transmission motor 107, the upper end surface of the mounting tank 102 is rotationally connected with a transmission frame 105, the outer side of the transmission frame 105 is fixedly provided with a rotating ring 104, one side of the rotating ring 104 is fixedly provided with a feeding end 103, the inside of the rotating ring 104 is fixedly provided with a plurality of coating material sieve plates 106, the output end of the first transmission motor 107 penetrates through the mounting tank 102 and is fixedly connected with the transmission frame 105, the plurality of coating material sieve plates 106 are uniformly arranged in a circle relative to the axis of the mounting tank 102, the upper end surface of each coating material sieve plate 106 is provided with a plurality of sieve holes, the coating material sieve plate 106 facilitates rotation and vibration of the seeds, thereby improving the humidification and powder coating effect of the seeds, and the sieve holes facilitate discharge of excess powder and liquid.

[0037] Please refer to Figures 1 to 9 The inner side of the circulating raw material mechanism 1 is provided with the quantitative seeding mechanism 4, the quantitative seeding mechanism 4 comprises a seedling conveying mechanism 401, the seedling conveying mechanism 401 is fixedly connected with the supporting base 101, one side of the seedling conveying mechanism 401 is fixedly provided with a third transmission motor 402, the inner side of the seedling conveying mechanism 401 is movably provided with a transmission belt 403, the inner sides of the two ends of the transmission belt 403 are provided with transmission rollers, the output end of the third transmission motor 402 penetrates through the seedling conveying mechanism 401 and is fixedly connected with one of the transmission rollers, the transmission belt 403 is connected with the seedling conveying mechanism 401 through the two transmission rollers, the upper end surface of the transmission belt 403 is provided with a placing disc 408, the inner side of the placing disc 408 is provided with a plurality of seedling boxes 409, so that the horizontal movement of the seedling boxes 409 driven by the transmission belt 403 through the placing disc 408 can realize accurate seeding;

[0038] The inner side of the seedling box 409 is filled with culture soil, the upper end of the seedling conveying mechanism 401 is fixedly provided with a connecting frame 405, one side of the connecting frame 405 is fixedly provided with an electric push rod 406, the inner side of the connecting frame 405 is slidably connected with a discharging elbow 404, the diameter size of the discharging elbow 404 is smaller than that of the coating material sieve plate 106, the output end of the electric push rod 406 penetrates through the connecting frame 405 and is fixedly connected with the discharging elbow 404, the discharging elbow 404 reciprocally slides vertically relative to the connecting frame 405, so that the discharging elbow 404 driven by the electric push rod 406 under the support of the connecting frame 405 can be lowered to extract the seeds;

[0039] The bottom end of the blanking elbow 404 is provided with a sector-shaped material shifting plate 407, the bottom end of the blanking elbow 404 penetrates through the connecting frame 405 and is fixedly connected with the sector-shaped material shifting plate 407, the blanking elbow 404 is connected with the sector-shaped material shifting plate 407 in penetration, the lower end surface of the sector-shaped material shifting plate 407 is provided with a plurality of seeding holes, the inner side of the seeding hole is provided with a solenoid valve, so that the inner side of the breeding box 409 can be automatically seeded through the sector-shaped material shifting plate 407.

[0040] Please refer to Figures 2 to 8 The upper end of the circulating clinker mechanism 1 is provided with a spraying and humidifying mechanism 2, the spraying and humidifying mechanism 2 comprises two support angle plates 203, the upper end of the two support angle plates 203 is fixedly provided with an arc-shaped liquid storage sleeve plate 201, the upper end surface of the arc-shaped liquid storage sleeve plate 201 is fixedly provided with three first covering covers 204, the upper end of the first covering cover 204 is provided with a liquid conveying pipe 202, the inner side of the first covering cover 204 is provided with a spraying seat 206, the two ends of the arc-shaped liquid storage sleeve plate 201 are fixedly connected with the installation tank body 102 through the support angle plate 203, one end of the liquid conveying pipe 202 penetrates through the first covering cover 204 and is inserted into the inner side of the spraying seat 206, the arc-shaped liquid storage sleeve plate 201 is connected with the three spraying seats 206 in penetration through the liquid conveying pipe 202, the spraying seat 206 is fixedly connected with the first covering cover 204, the lower end surface of the spraying seat 206 is provided with a plurality of spraying nozzles, the liquid on the inner side of the arc-shaped liquid storage sleeve plate 201 is conveyed to the spraying seat 206 through the liquid conveying pipe 202 and sprays the seeds by using the spraying nozzles, so that the surface of the seeds in the vibration state is fully humidified;

[0041] The lower end surface of the arc-shaped liquid storage sleeve plate 201 is fixedly provided with three second covering covers 205, the inner side of the bottom end of the second covering cover 205 is fixedly provided with a dehumidification fan box 207, the dehumidification fan box 207 can remove the excess liquid in the seed humidification process, so as to avoid that the humidity of the seeds is too large.

[0042] Please refer to Figures 1 to 5 The outer side of the spraying and humidifying mechanism 2 is provided with a plurality of circulating material wrapping mechanisms 3, the circulating material wrapping mechanism 3 comprises a material storage tank 301, the inside of the material storage tank 301 is filled with powder, the powder is made by grinding insecticides, bactericides, antifreezes, water retaining agents and plant growth regulators, the upper end of the material storage tank 301 is fixedly provided with a conveying sleeve pipe 302, the upper end of the conveying sleeve pipe 302 is fixedly provided with a second transmission motor 303, the inner side of the conveying sleeve pipe 302 is rotatably connected with a spiral conveying frame 306, the output end of the second transmission motor 303 penetrates through the conveying sleeve pipe 302 and is connected with the upper end of the spiral conveying frame 306 through a shaft coupling, the rotation direction of the spiral conveying frame 306 is counterclockwise, the powder can be conveyed to the material wrapping sieve disc 106 through the spiral conveying frame 306 and the first powder conveying elbow 304, so as to fully wrap the material on the surface of the seeds in the vibration state;

[0043] The first powder conveying elbow 304 is fixedly installed on one side of the upper end of the conveying sleeve 302, and the second powder conveying elbow 305 is fixedly installed on one side of the bottom end of the conveying sleeve 302. The storage tank 301 and the first powder conveying elbow 304 and the second powder conveying elbow 305 are all connected through the conveying sleeve 302, and the first powder conveying elbow 304 and the second powder conveying elbow 305 facilitate the feeding and discharging of the powder, realizing the circulation of the powder.

[0044] An automatic seedling raising method comprises the following steps:

[0045] S1: The screened seeds are placed on the upper end face of the coating screen disc 106 through the feeding end 103, the power is turned on, the first transmission motor 107 is started, the first transmission motor 107 is driven to rotate the rotating ring 104 and the plurality of coating screen discs 106 counterclockwise under the support of the installation tank body 102 through the transmission frame 105, and each rotation angle is a work station segment. The vibration motor 108 is started, and the vibration motor 108 is driven to vibrate the plurality of coating screen discs 106 synchronously under the support of the installation tank body 102;

[0046] S2: The arc-shaped liquid storage sleeve plate 201 and the three spraying seats 206 are connected through the infusion tube 202, and the lower end face of the spraying seat 206 is provided with a plurality of spraying nozzles, so that the liquid on the inner side of the arc-shaped liquid storage sleeve plate 201 is conveyed to the spraying seat 206 through one of the infusion tubes 202 and sprayed on the seeds by the spraying nozzles, realizing the full moisturizing operation on the surface of the seeds in the vibration state;

[0047] S3: After the moisturizing is completed, the coating screen disc 106 is rotated to the lower side of the first powder conveying elbow 304, the second transmission motor 303 is started, and the second transmission motor 303 drives the spiral conveying frame 306 to rotate counterclockwise under the support of the conveying sleeve 302. The inside of the storage tank 301 is filled with powder made of insecticides, fungicides, antifreeze agents, water-retaining agents and plant growth regulators, etc. The powder can be conveyed to the coating screen disc 106 through the spiral conveying frame 306 and the first powder conveying elbow 304, realizing the full coating operation on the surface of the seeds in the vibration state. The continuous rotation of the coating screen disc 106 can realize the moisturizing and coating operation on the seeds for three times, and the formation of the seed coat is realized.

[0048] S4: When the seed coat is supported on the surface of the seed, the coating screen disc 106 is moved to the upper end of the discharging elbow 404, the electric push rod 406 is started, and the electric push rod 406 drives the discharging elbow 404 to move downward under the support of the connecting frame 405, realizing the extraction of the seeds on the coating screen disc 106 to the inside of the fan-shaped material shifting plate 407 by the discharging elbow 404.

[0049] S5: start the third transmission motor 402, so that the third transmission motor 402 is under the support of the breeding conveying mechanism 401 through the transmission belt 403 to drive the placing disc 408 and the breeding box 409 to move horizontally, the lower end surface of the fan-shaped stirring plate 407 is provided with a sowing hole, and the inner side of the sowing hole is provided with an electromagnetic valve, so that the inner side of the breeding box 409 can be accurately sowed through the fan-shaped stirring plate 407 and cultivated through the cultivation soil filled in the inner side of the breeding box 409.

[0050] It will be obvious to a person skilled in the art that, without departing from the spirit or essential characteristics of the application, the present application can be implemented in other specific forms. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the description above, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claim concerned.

Claims

1. An automatic seedling raising device, comprising a circulating feed mechanism (1), a circulating feed wrapping mechanism (3), and a quantitative sowing mechanism (4), characterized in that: The inner side of the circulating clinker mechanism (1) is equipped with a quantitative seeding mechanism (4), the upper end of the circulating clinker mechanism (1) is equipped with a spray humidification mechanism (2), the outer side of the spray humidification mechanism (2) is equipped with multiple circulating wrapping mechanisms (3), the circulating clinker mechanism (1) includes a support base (101), the upper end face of the support base (101) is fixedly equipped with an installation tank (102), the inner wall of the installation tank (102) is fixedly equipped with a vibration motor (108), the inner side of the upper end of the installation tank (102) is fixedly equipped with a first transmission motor (107), the upper end face of the installation tank (102) is rotatably connected with a transmission frame (105), the outer side of the transmission frame (105) is fixedly equipped with a rotating ring (104), one side of the rotating ring (104) is fixedly equipped with a feeding end (103), and the inside of the rotating ring (104) is fixedly equipped with multiple wrapping screens (106). The quantitative sowing mechanism (4) includes a breeding conveying mechanism (401), which is fixedly connected to a support base (101). A third drive motor (402) is fixedly installed on one side of the breeding conveying mechanism (401). A conveyor belt (403) is movably installed on the inner side of the breeding conveying mechanism (401). A placement tray (408) is installed on the upper end of the conveyor belt (403). Multiple breeding boxes (409) are installed on the inner side of the placement tray (408). The inner side of the breeding box (409) is filled with cultivation soil. A connecting frame (405) is fixedly installed on the upper end of the breeding conveying mechanism (401). An electric push rod (406) is fixedly installed on one side of the connecting frame (405). A feeding bend (404) is slidably connected to the inner side of the connecting frame (405). A fan-shaped feeding plate (407) is installed at the bottom end of the feeding bend (404).

2. The automatic seedling raising device according to claim 1, characterized in that: The spray humidification mechanism (2) includes two support corner plates (203). An arc-shaped liquid storage sleeve (201) is fixedly installed on the upper end of the two support corner plates (203). Three first cover plates (204) are fixedly installed on the upper surface of the arc-shaped liquid storage sleeve (201). An infusion pipe (202) is installed on the upper end of the first cover plate (204). A spray seat (206) is installed on the inner side of the first cover plate (204). Three second cover plates (205) are fixedly installed on the lower surface of the arc-shaped liquid storage sleeve (201). A dehumidification fan box (207) is fixedly installed on the inner side of the bottom end of the second cover plate (205).

3. An automatic seedling raising device according to claim 2, characterized in that: The circulating wrapping mechanism (3) includes a storage tank (301), a conveying sleeve (302) is fixedly installed at the upper end of the storage tank (301), a second drive motor (303) is fixedly installed at the upper end of the conveying sleeve (302), a spiral conveying frame (306) is rotatably connected to the inner side of the conveying sleeve (302), a first powder conveying bend (304) is fixedly installed on one side of the upper end of the conveying sleeve (302), and a second powder conveying bend (305) is fixedly installed on one side of the bottom end of the conveying sleeve (302).

4. An automatic seedling raising device according to claim 1, characterized in that: The output end of the first drive motor (107) passes through the mounting tank (102) and is fixedly connected to the transmission frame (105). The multiple wrapping screens (106) are arranged in a circumferentially and uniformly relative to the axis of the mounting tank (102). Each wrapping screen (106) has multiple screen holes on its upper surface.

5. An automatic seedling raising device according to claim 2, characterized in that: Both ends of the arc-shaped liquid storage sleeve (201) are fixedly connected to the installation tank (102) through the support corner plate (203). One end of the infusion pipe (202) passes through the first package cover (204) and is inserted into the inside of the spray seat (206). The arc-shaped liquid storage sleeve (201) and the three spray seats (206) are all connected through the infusion pipe (202). The spray seat (206) is fixedly connected to the first package cover (204). The lower end face of the spray seat (206) is provided with multiple spray nozzles.

6. An automatic seedling raising device according to claim 3, characterized in that: The output end of the second drive motor (303) passes through the conveying sleeve (302) and is connected to the upper end of the screw conveyor (306) through a coupling. The screw conveyor (306) rotates counterclockwise. The storage tank (301) is connected to the first powder conveying bend (304) and the second powder conveying bend (305) through the conveying sleeve (302). The storage tank (301) is filled with powder, which is made by grinding insecticides, fungicides, antifreeze agents, water-retaining agents and plant growth regulators.

7. An automatic seedling raising device according to claim 1, characterized in that: The diameter of the feeding bend (404) is smaller than that of the wrapping screen (106). The bottom end of the feeding bend (404) passes through the connecting frame (405) and is fixedly connected to the fan-shaped feeding plate (407). The feeding bend (404) and the fan-shaped feeding plate (407) are connected in a through manner. The lower end face of the fan-shaped feeding plate (407) is provided with multiple seeding holes, and the inner side of the seeding holes is provided with a solenoid valve.

8. An automatic seedling raising device according to claim 1, characterized in that: The output end of the electric push rod (406) passes through the connecting frame (405) and is fixedly connected to the feeding bend (404). The feeding bend (404) slides vertically back and forth relative to the connecting frame (405). The inner sides of both ends of the conveyor belt (403) are provided with transmission rollers. The output end of the third transmission motor (402) passes through the breeding conveying mechanism (401) and is fixedly connected to one of the transmission rollers. The conveyor belt (403) and the breeding conveying mechanism (401) are connected by two transmission rollers.

9. An automated seedling raising method, characterized in that: A method of using an automatic seedling raising device according to any one of claims 1-8 includes the following steps: S1: Place the screened seeds on the upper surface of the coating screen (106) through the feeding end (103), turn on the power, and start the first drive motor (107). Under the support of the mounting tank (102), the first drive motor (107) drives the rotating ring (104) and multiple coating screens (106) to rotate counterclockwise through the transmission frame (105). The distance between two adjacent coating screens (106) is one work station segment, and each rotation angle is one work station segment. Start the vibration motor (108), so that the vibration motor (108) drives multiple coating screens (106) to vibrate synchronously under the support of the mounting tank (102). S2: The arc-shaped liquid storage sleeve (201) and the three spray seats (206) are all connected through the liquid delivery pipe (202), and the lower end face of the spray seat (206) is provided with multiple spray nozzles, so that the liquid inside the arc-shaped liquid storage sleeve (201) is transported to the spray seat (206) through one of the liquid delivery pipes (202) and the seeds are sprayed with the spray nozzles to achieve full humidification of the seed surface under vibration. S3: After humidification, rotate the coating screen (106) to the bottom of the first powder conveying bend (304), start the second drive motor (303), so that the second drive motor (303) drives the screw conveyor (306) to rotate counterclockwise under the support of the conveying sleeve (302). The storage tank (301) is filled with powder made by grinding insecticides, fungicides, antifreeze agents, water-retaining agents and plant growth regulators. The powder can be conveyed to the coating screen (106) through the screw conveyor (306) and the first powder conveying bend (304), so as to fully coat the seed surface under vibration. Continuously rotating the coating screen (106) can perform three humidification and coating operations on the seeds, so as to form an outer coat on the seeds. S4: When supporting the seed surface with the outer coating, the coating screen (106) is moved to the upper end of the feeding bend (404), and the electric push rod (406) is activated. Under the support of the connecting frame (405), the electric push rod (406) drives the feeding bend (404) to move down, so that the feeding bend (404) can extract the seeds on the coating screen (106) to the inside of the fan-shaped feeding plate (407). S5: Start the third drive motor (402), so that the third drive motor (402) drives the placement tray (408) and the breeding box (409) to move horizontally through the conveyor belt (403) under the support of the breeding conveyor mechanism (401). There is a sowing hole on the lower end face of the fan-shaped material plate (407), and an electromagnetic valve is provided on the inner side of the sowing hole, so that the inside of the breeding box (409) can be accurately sown through the fan-shaped material plate (407) and the cultivation operation can be carried out through the cultivation soil filled inside the breeding box (409).

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