Automatic vegetable seedling shifting and throwing device

By designing an automatic seedling transfer and throwing device, the substrate block and seedlings in the seedling tray are automatically separated by the first bending mechanism and the second conveyor belt, which solves the problems of high labor intensity and low efficiency caused by manual operation and realizes the automated processing and efficient transplanting of seedling trays.

CN223859718UActive Publication Date: 2026-02-03BEIJING RES CENT FOR INFORMATION TECH & AGRI
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Patent Information

Application Number
CN202520023383.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-02-03
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing seedling transplanters require manual labor to hold the seedling tray and throw the seedlings into the seedling cup, resulting in high labor intensity for operators and low transplanting efficiency.

Method used

Design an automatic seedling transfer and throwing device, including a first conveyor belt, a first bending mechanism, a second conveyor belt and a first duckbill device. The first bending mechanism separates the substrate block from the protrusion of the seedling tray, and the second conveyor belt automatically transports the seedlings to the first duckbill device for transplanting, reducing the labor intensity of operators and improving transplanting efficiency.

Benefits of technology

It has enabled automated processing of seedling trays, reduced the labor intensity of operators, improved transplanting efficiency, and enhanced the automation level of the transplanting process.

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Abstract

The utility model relates to the technical field of agricultural mechanical equipment, and provides an automatic vegetable seedling shifting and throwing device which comprises a machine body, a first conveying belt, a first bending mechanism, a second conveying belt and a first duckbilled device, the first bending mechanism and the first conveying belt are arranged adjacently, the first conveying belt is used for conveying seedling raising trays carrying vegetable seedlings to the first bending mechanism, the first bending mechanism can rotate, multiple rows of grooves are formed in the first bending mechanism in the circumferential direction of the first bending mechanism, multiple rows of protrusions are arranged at the bottoms of the seedling raising trays, and the protrusions are embedded in the grooves. When the first bending mechanism rotates, the seedling raising plate is bent; the second conveying belt is used for conveying the vegetable seedlings with the matrix blocks to the first duckbilled device, and the first duckbilled device is used for transplanting the vegetable seedlings into soil. According to the automatic vegetable seedling shifting and throwing device, an operator only needs to take out vegetable seedlings from the seedling raising plate after the seedling raising plate is bent, so that the labor intensity of the operator is reduced, and the automation degree and the transplanting efficiency in the transplanting process are improved.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery and equipment technology, and in particular to an automatic seedling transfer and throwing device. Background Technology

[0002] Most seedling transplanters currently sold on the market use a double-convex disc rotary press to achieve tasks such as opening holes, covering soil, and planting seedlings. During seedling transplanting, the seedling trays on the top of the transplanter hold seedling trays. The operator removes the seedling trays, picks up the seedlings, and throws them into the seedling cup. The seedling cup rotates, conveying the seedlings to the spout, which then transplants them into the soil.

[0003] During transplanting, seedlings need to be manually thrown from seedling trays into seedling cups. This requires a lot of manual labor and results in low transplanting efficiency. Utility Model Content

[0004] This utility model provides an automatic seedling transplanting and throwing device to solve the defects of existing technology in seedling transplanting, which is characterized by high labor intensity for operators and low transplanting efficiency.

[0005] This utility model provides an automatic seedling transfer and throwing device, comprising: a body and a first conveyor belt, a first bending mechanism, a second conveyor belt, and a first beak device disposed on the body; the first bending mechanism is disposed adjacent to the first conveyor belt, the first conveyor belt is used to transport a seedling tray carrying seedlings to the first bending mechanism, the first bending mechanism is rotatable, the first bending mechanism has multiple rows of grooves along its circumference, the bottom of the seedling tray has multiple rows of protrusions, the protrusions are embedded in the grooves, so as to bend the seedling tray when the first bending mechanism rotates; the second conveyor belt is used to transport seedlings with substrate blocks to the first beak device, the first beak device is used to transplant the seedlings into the soil.

[0006] According to the present invention, an automatic seedling transfer and throwing device is provided, wherein the first bending mechanism includes: a first driver, a first turntable, and a second turntable. The first turntable and the second turntable are coaxially connected. The first driver is disposed on the machine body and is used to drive the first turntable and the second turntable to rotate. The first turntable is provided with a plurality of first grooves along its circumference, and the second turntable is provided with a plurality of second grooves along its circumference. The plurality of first grooves and the plurality of second grooves are arranged in a one-to-one correspondence. The protrusion is embedded in the first groove and the second groove.

[0007] According to the present invention, an automatic seedling transfer and throwing device further includes a first mounting frame, which is disposed on the machine body. The top surface of the first mounting frame is inclined relative to the bottom surface of the first mounting frame. A second conveyor belt is disposed on the top surface to make the second conveyor belt inclined. The first mounting frame is provided with a first baffle, which is located on the side where the distance between the second conveyor belt and the machine body is smaller. The first mounting frame is also provided with a first throwing cup, which is a hollow structure. The first throwing cup is disposed adjacent to the first baffle, and one end of the first throwing cup is disposed opposite to the first duckbill device. The second conveyor belt is used to transport the seedlings to the first throwing cup.

[0008] According to the present invention, an automatic seedling transfer and throwing device is provided, wherein the second conveyor belt is provided with a plurality of third grooves along its own length extension direction, the third grooves being used to accommodate the seedlings, and any one of the third grooves being connected to the first throwing cup.

[0009] According to the present invention, an automatic seedling transfer and throwing device further includes a first seedling cup support plate, a first rotating frame, and a plurality of first seedling cups. The first seedling cup support plate is disposed on the machine body and located between the second conveyor belt and the first duckbill device. The first seedling cup support plate has a first notch, and the first duckbill device is located below the first notch. The first rotating frame is rotatably connected to the first seedling cup support plate. The plurality of first seedling cups are arranged in a ring and are respectively connected to the first rotating frame. Each first seedling cup has a hollow structure. One of the plurality of first seedling cups is located above the first notch, and the remaining first seedling cups are located on the first seedling cup support plate. The second conveyor belt is used to transport the seedlings to the first seedling cups. When the first rotating frame rotates, it can move the first seedling cups to the top of the first notch.

[0010] According to the present invention, an automatic seedling transfer and throwing device is provided, which further includes a first collection box. The first collection box is disposed on the machine body and located below the first bending mechanism to collect empty seedling trays.

[0011] According to the present invention, an automatic seedling transfer and throwing device is provided, which further includes a first controller. The first controller is disposed on the machine body and is used to control the conveying speed of the first conveyor belt and the second conveyor belt.

[0012] According to the present invention, an automatic seedling transfer and throwing device further includes a third conveyor belt, a second bending mechanism, a fourth conveyor belt, and a second speckle. The first conveyor belt, the first bending mechanism, the second conveyor belt, and the first speckle are disposed on one side of the machine body. The third conveyor belt, the second bending mechanism, the fourth conveyor belt, and the second speckle are disposed on the other side of the machine body. The second bending mechanism is disposed adjacent to the third conveyor belt. The third conveyor belt is used to transport the seedling tray carrying the seedlings to the second bending mechanism. The second bending mechanism is rotatable and can bend the seedling tray located thereon. The fourth conveyor belt is used to transport the seedlings with substrate blocks to the second speckle, and the second speckle is used to transplant the seedlings into the soil.

[0013] According to the present invention, an automatic seedling transfer and throwing device is provided, wherein the third conveyor belt is staggered with the first conveyor belt, and the distance between the two is greater than the height of the seedlings in the seedling tray.

[0014] According to the present invention, an automatic seedling transfer and throwing device is provided, wherein a pair of seats are also provided on the machine body.

[0015] The automatic seedling transfer and throwing device provided by this utility model, by setting a first conveyor belt and a first bending mechanism, can automatically transport the seedling tray to the first bending mechanism, where the first bending mechanism separates the substrate block from the protrusion of the seedling tray, so that the operator can quickly remove the substrate block from the seedling tray; by setting a second conveyor belt, the seedling can be automatically transported to the first duckbill device, where it is transplanted into the soil; the entire transplanting process only requires the operator to remove the seedling from the seedling tray after bending it, which reduces the labor intensity of the operator and improves the automation level and efficiency of the transplanting process. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the automatic seedling transfer and throwing device provided by this utility model.

[0018] Figure label:

[0019] 11. First conveyor belt; 12. Third mounting frame; 13. Third conveyor belt; 14. Fourth mounting frame; 21. First turntable; 22. Second turntable; 23. Third turntable; 24. Fourth turntable; 31. First mounting frame; 32. Second conveyor belt; 33. First throwing cup; 34. Second mounting frame; 35. Fourth conveyor belt; 36. Second throwing cup; 41. First seedling cup; 42. Second seedling cup; 51. First duckbill device; 52. Second duckbill device; 61. First controller; 62. Second controller; 71. First seat; 72. Second seat; 81. First collection box; 82. Second collection box; 101. Machine body; 102. Roller; 211. First groove; 221. Second groove. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] The following is combined with Figure 1 This invention describes an automatic seedling transfer and throwing device.

[0022] like Figure 1 As shown in the embodiment of this utility model, the automatic seedling transfer and throwing device includes: a body 101, a first conveyor belt 11, a first bending mechanism, a second conveyor belt 32, and a first speckle 51. The body 101 is provided with multiple rollers 102 to enable the body 101 to move automatically in the field. The first conveyor belt 11, the first bending mechanism, the second conveyor belt 32, and the first speckle 51 are all mounted on the chassis of the body 101. The first bending mechanism is arranged adjacent to the first conveyor belt 11, and the seedling tray carrying the seedlings is placed on the first conveyor belt 11. The first conveyor belt 11 is used to transport the seedling tray to the first bending mechanism. The rotation shaft of the first bending mechanism is connected to the body 101 and can rotate relative to the body 101. The bottom of the seedling tray is provided with multiple protrusions, and each protrusion contains a seedling with a substrate block. The first bending mechanism has multiple rows of grooves along its circumference. When the seedling tray is conveyed to the first bending mechanism by the first conveyor belt 11, a row of protrusions fits into one row of grooves. As the first bending mechanism rotates, the next row of protrusions fits into another row of grooves under the action of gravity, thus bending the seedling tray to facilitate the separation of the substrate block from the protrusions. The operator removes the seedlings with the substrate block from the seedling tray and places them on the second conveyor belt 32. The second conveyor belt 32 conveys the seedlings to the first speckler 51, which transplants the seedlings into the soil.

[0023] The automatic seedling transfer and throwing device provided in this embodiment of the utility model, by setting a first conveyor belt and a first bending mechanism, can automatically transport the seedling tray to the first bending mechanism, where the first bending mechanism separates the substrate block from the protrusion of the seedling tray, so that the operator can quickly remove the substrate block from the seedling tray; by setting a second conveyor belt, the seedling can be automatically transported to the first duckbill device, where it is transplanted into the soil; the entire transplanting process only requires the operator to remove the seedling from the seedling tray after bending it, which reduces the labor intensity of the operator and improves the automation level and efficiency of the transplanting process.

[0024] like Figure 1 As shown in the embodiment of this utility model, the first bending mechanism includes: a first driver, a first turntable 21, a first rotating shaft, and a second turntable 22. The first turntable 21 and the second turntable 22 are connected by the first rotating shaft, which is connected to the first driver. The first driver is mounted on the machine body 101. The first driver is used to drive the first turntable 21 and the second turntable 22 to rotate synchronously.

[0025] The first turntable 21 has multiple first grooves 211 along its circumference, and the second turntable 22 has multiple second grooves 221 along its circumference. The multiple first grooves 211 and multiple second grooves 221 are arranged in a one-to-one correspondence. The seedling tray is conveyed onto the first turntable 21 and the second turntable 22 by the first conveyor belt 11. Two protrusions on the same row of the seedling tray are respectively embedded in the first groove 211 and the second groove 221. Since the first turntable 21 and the second turntable 22 rotate synchronously, two protrusions in the next row are respectively embedded in another first groove 211 and the second groove 221, causing the seedling tray to bend and thus separating the substrate block from the protrusion.

[0026] like Figure 1As shown, in an embodiment of this utility model, the automatic seedling transfer and throwing device further includes a first mounting frame 31, a first baffle, and a first throwing cup 33. The first mounting frame 31 is mounted on the chassis of the machine body 101, with its top surface inclined relative to its bottom surface. A second conveyor belt 32 is mounted on the top surface of the first mounting frame 31, allowing it to be inclined. The first mounting frame 31 has a first baffle located on the side with the smaller distance between the second conveyor belt 32 and the chassis, preventing the seedlings from sliding off the second conveyor belt 32 under gravity during transport. The first mounting frame 31 also has a first throwing cup 33, which is positioned adjacent to the first baffle. In this embodiment, the first throwing cup 33 is a hollow structure. One end of the first throwing cup 33 is positioned opposite to the first duckbill device 51. The second conveyor belt 32 transports the seedlings to the first throwing cup 33. Under the action of gravity, the seedlings slide into the first throwing cup 33 and then fall into the first duckbill device 51, where they are transplanted into the soil.

[0027] Furthermore, in a further embodiment of this utility model, the second conveyor belt 32 is provided with a plurality of third grooves along its own length, each third groove having a certain width to accommodate seedlings with substrate blocks. In this embodiment, the length of the first baffle is less than the length of the second conveyor belt 32, so that one third groove on the second conveyor belt 32 can be opposite to the first throwing cup 33, so that when the second conveyor belt 32 is in motion, the seedlings in the third groove are sequentially transported to the first throwing cup 33.

[0028] like Figure 1 As shown in the embodiment of this utility model, the automatic seedling transfer and throwing device further includes: a first seedling cup support plate, a first rotating frame, and a plurality of first seedling cups 41. The first seedling cup support plate is disposed on the chassis of the machine body 101 and is located between the second conveyor belt 32 and the first duckbill device 51. The first seedling cup support plate has a first notch, and the first duckbill device 51 is located below the first notch. The first rotating frame can rotate relative to the first seedling cup support plate. The plurality of first seedling cups 41 are arranged in a ring and are respectively connected to the first rotating frame. The second conveyor belt 32 transports the seedlings to the first seedling cups 41. When the first rotating frame rotates, it can drive the first seedling cups 41 to the top of the first notch so that the seedlings in the first seedling cups 41 fall into the first duckbill device 51.

[0029] Specifically, the first seedling cup 41 is located below and directly opposite the first throwing cup 33. Seedlings are conveyed to the first throwing cup 33 by the second conveyor belt 32 and then fall into the first seedling cup 41. In this embodiment, each first seedling cup 41 is hollow, with one of the multiple first seedling cups 41 located above the first notch, and the remaining first seedling cups 41 located on the first seedling cup support plate to prevent seedlings from falling out of the first seedling cup 41. When the first rotating frame rotates, when the first seedling cup 41 is opposite the first throwing cup 33, the seedling enters the first seedling cup 41; when the first seedling cup 41 is opposite the first notch, the seedling in the first seedling cup 41 falls into the first duckbill device 51.

[0030] Furthermore, in an embodiment of this utility model, the rotation speed of the first rotating frame is matched with the conveying speed of the second conveyor belt 32 so that the seedlings falling into the first throwing cup 33 can be placed into the first seedling cup 41, thereby ensuring the hit rate of the seedlings being thrown into the cup.

[0031] The automatic seedling transfer and throwing device provided in this embodiment of the utility model improves the accuracy and speed of seedling placement into the cup compared to manually placing seedlings into the first seedling cup, thereby improving transplanting efficiency.

[0032] like Figure 1 As shown in the embodiment of this utility model, the automatic seedling transfer and throwing device also includes a first collection box 81. The first collection box 81 is disposed on the machine body 101 and located below the first turntable 21 and the second turntable 22. As the first turntable 21 and the second turntable 22 rotate, the empty seedling trays fall into the first collection box 81 to collect the empty seedling trays and avoid the seedling trays being discarded in the field, causing environmental pollution.

[0033] In an embodiment of this utility model, the automatic seedling transfer and throwing device further includes a first controller 61, which is disposed on the body 101. The first controller 61 is used to control the conveying speed of the first conveyor belt 11 and the second conveyor belt 32 and to control the first conveyor belt 11 and the second conveyor belt 32 to stop conveying.

[0034] like Figure 1As shown, in an embodiment of this utility model, the automatic seedling transplanting and throwing device further includes a third conveyor belt 13, a second bending mechanism, a fourth conveyor belt 35, and a second duckbill device 52. The first conveyor belt 11, the first bending mechanism, the second conveyor belt 32, and the first duckbill device 51 are disposed on one side of the machine body 101, and the third conveyor belt 13, the second bending mechanism, the fourth conveyor belt 35, and the second duckbill device 52 are disposed on the other side of the machine body 101. That is, in an embodiment of this utility model, the automatic seedling transplanting and throwing device can transplant two rows of seedlings simultaneously in the field to improve the seedling transplanting rate.

[0035] Further, in this embodiment of the present invention, the first conveyor belt 11 is mounted on the third mounting frame 12, and the third mounting frame 12 is mounted on the chassis of the machine body 101. The third conveyor belt 13 is mounted on the fourth mounting frame 14, and the fourth mounting frame 14 is also mounted on the chassis of the machine body 101. The height of the fourth mounting frame 14 is greater than the height of the third mounting frame 12, so that the third conveyor belt 13 is located above the first conveyor belt 11, and the two are staggered. In this embodiment, the distance between the third conveyor belt 13 and the first conveyor belt 11 should be greater than the height of the seedlings in the seedling tray. In this embodiment, the conveying direction of the first conveyor belt 11 is opposite to the conveying direction of the third conveyor belt 13.

[0036] The second bending mechanism includes a second driver, a second rotating shaft, a third turntable 23, and a fourth turntable 24. The specific structure and working principle of the second bending mechanism are the same as those of the first bending mechanism, and therefore will not be described again here. The first and second bending mechanisms are located on opposite sides of the machine body 101. Therefore, the conveying direction of the first conveyor belt 11 is to the left, and the conveying direction of the third conveyor belt 13 is to the right, so that the first and second bending mechanisms can work simultaneously without interfering with each other.

[0037] Furthermore, the automatic seedling transfer and throwing device also includes a second collection box 82, which is located below the second bending mechanism to collect empty seedling trays.

[0038] Correspondingly, the automatic seedling transfer and throwing device also includes: a second mounting frame 34, a second baffle, and a second throwing cup 36. The arrangement and function of the second mounting frame 34, the second baffle, and the second throwing cup 36 are the same as those of the first mounting frame 31, the first baffle, and the first throwing cup 33, so they will not be described again here. In the embodiment of this utility model, the conveying directions of the second conveyor belt 32 and the fourth conveyor belt 35 are opposite. The conveying direction of the second conveyor belt 32 is to the right, and the conveying direction of the fourth conveyor belt 35 is to the left. Therefore, in this embodiment, the first throwing cup 33 and the second throwing cup 36 are arranged adjacent to each other.

[0039] Furthermore, the automatic seedling transfer and throwing device also includes: a second seedling cup support tray, a second rotating frame, and multiple second seedling cups 42. The arrangement and function of the second seedling cup support tray, the second rotating frame, and the multiple second seedling cups 42 are the same as those of the first seedling cup support tray, the first rotating frame, and the multiple first seedling cups 41, so they will not be described again here.

[0040] Furthermore, the automatic seedling transfer and throwing device is equipped with a first seat 71 and a second seat 72 on its body 101. Two operators sit on the first seat 71 and the second seat 72 respectively. The operator sitting on the first seat 71 takes out the seedlings from the seedling tray that has passed through the first bending mechanism and places them on the second conveyor belt 32. The second conveyor belt 32 transports them to the first throwing cup 33, then from the first throwing cup 33 into the first seedling cup 41, and then into the first duckbill device 51, from which they are transplanted into the soil.

[0041] The operator, seated on the second seat 72, takes out the seedlings from the seedling tray that has passed through the second bending mechanism and places them on the fourth conveyor belt 35. The seedlings are then transported by the fourth conveyor belt 35 to the second throwing cup 36, and then from the second throwing cup 36 into the second seedling cup 42, and then into the second duckbill device 52, where they are transplanted into the soil.

[0042] Furthermore, the automatic seedling transfer and throwing device also includes a second controller 62, which is used to control the conveying speed of the third conveyor belt 13 and the fourth conveyor belt 35, and to control the third conveyor belt 13 and the fourth conveyor belt 35 to stop conveying.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An automatic seedling transfer and throwing device, characterized in that, include: The machine body, and a first conveyor belt, a first bending mechanism, a second conveyor belt, and a first duckbill device disposed on the machine body; The first bending mechanism is disposed adjacent to the first conveyor belt. The first conveyor belt is used to transport the seedling tray containing the seedlings to the first bending mechanism. The first bending mechanism is rotatable. The first bending mechanism has multiple rows of grooves along its circumference. The bottom of the seedling tray has multiple rows of protrusions. The protrusions are embedded in the grooves so that the seedling tray bends when the first bending mechanism rotates. The second conveyor belt is used to transport seedlings with substrate blocks to the first duckbill, which is used to transplant the seedlings into the soil.

2. The automatic seedling transfer and throwing device according to claim 1, characterized in that, The first bending mechanism includes: a first driver, a first turntable and a second turntable, the first turntable and the second turntable being coaxially connected, the first driver being disposed on the machine body, and the first driver being used to drive the first turntable and the second turntable to rotate; The first turntable has a plurality of first grooves along its circumference, and the second turntable has a plurality of second grooves along its circumference. The plurality of first grooves and the plurality of second grooves are arranged in a one-to-one correspondence, and the protrusion is embedded in the first groove and the second groove.

3. The automatic seedling transfer and throwing device according to claim 1, characterized in that, It also includes a first mounting frame, which is disposed on the machine body. The top surface of the first mounting frame is inclined relative to the bottom surface of the first mounting frame, and the second conveyor belt is disposed on the top surface so that the second conveyor belt is inclined. The first mounting bracket is equipped with a first baffle, which is located on the side where the distance between the second conveyor belt and the machine body is smaller; The first mounting frame is also provided with a first throwing cup, which is a hollow structure. The first throwing cup is arranged adjacent to the first baffle, and one end of the first throwing cup is arranged opposite to the first duckbill device. The second conveyor belt is used to transport the seedlings to the first throwing cup.

4. The automatic seedling transfer and throwing device according to claim 3, characterized in that, The second conveyor belt has a plurality of third grooves along its length, the third grooves being used to accommodate the seedlings, and any one of the third grooves being connected to the first throwing cup.

5. The automatic seedling transfer and throwing device according to claim 1, characterized in that, It also includes a first seedling cup support tray, a first rotating frame and a plurality of first seedling cups. The first seedling cup support tray is disposed on the machine body and located between the second conveyor belt and the first duckbill device. The first seedling cup support tray has a first notch and the first duckbill device is located below the first notch. The first rotating frame is rotatably connected to the first seedling cup support plate. A plurality of first seedling cups are arranged in a ring and are respectively connected to the first rotating frame. Each first seedling cup has a hollow structure. One of the plurality of first seedling cups is located above the first notch, and the remaining first seedling cups are located on the first seedling cup support plate. The second conveyor belt is used to transport the seedlings to the first seedling cup. When the first rotating frame rotates, it can move the first seedling cup above the first notch.

6. The automatic seedling transfer and throwing device according to claim 1, characterized in that, It also includes a first collection box, which is disposed on the body and located below the first bending mechanism, to collect empty seedling trays.

7. The automatic seedling transfer and throwing device according to claim 1, characterized in that, It also includes a first controller, which is disposed on the machine body and is used to control the conveying speed of the first conveyor belt and the second conveyor belt.

8. The automatic seedling transfer and throwing device according to claim 1, characterized in that, It also includes a third conveyor belt, a second bending mechanism, a fourth conveyor belt, and a second duckbill device; The first conveyor belt, the first bending mechanism, the second conveyor belt, and the first duckbill are disposed on one side of the machine body; The third conveyor belt, the second bending mechanism, the fourth conveyor belt, and the second duckbill device are disposed on the other side of the machine body; The second bending mechanism is arranged adjacent to the third conveyor belt. The third conveyor belt is used to transport the seedling trays carrying seedlings to the second bending mechanism. The second bending mechanism is rotatable and can bend the seedling trays located thereon. The fourth conveyor belt is used to transport the seedlings with substrate blocks to the second duckbill device. The second duckbill device is used to transplant the seedlings into the soil.

9. The automatic seedling transfer and throwing device according to claim 8, characterized in that, The third conveyor belt is staggered with the first conveyor belt, and the distance between them is greater than the height of the seedlings in the seedling tray.

10. The automatic seedling transfer and throwing device according to claim 8, characterized in that, The machine body is also equipped with a pair of seats.