Seedling throwing device and unmanned aerial vehicle seedling throwing system

Abstract

The utility model relates to the technical field of agricultural planting machinery, and particularly discloses a seedling throwing device which comprises a main body frame, a seedling tray conveying mechanism, a seedling separating mechanism, a seedling feeding mechanism and a seedling tray recycling mechanism, specifically, the seedling tray conveying mechanism comprises a tray frame, a tray and a pushing assembly, and the tray frame is detachably and fixedly installed at the top of the main body frame; the seedling removing mechanism comprises a front stop block, a rear stop block and a firing pin; the seedling feeding mechanism comprises a plurality of seedling guiding grooves formed in the main body frame, and the seedling guiding grooves correspond to the seedling separating grooves one to one; the seedling tray recycling mechanism comprises a supporting basket arranged below the opening in the lower end of the guide groove. The utility model further discloses an unmanned aerial vehicle seedling throwing system, the seedling throwing device and the unmanned aerial vehicle seedling throwing system are easy to operate, and the seedling throwing efficiency of seedlings in the seedling tray can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural planting machinery, in particular to a seedling throwing device and an unmanned aerial vehicle (UAV) seedling throwing system. Background Art

[0002] With the advancement of my country's agricultural modernization process, drone plant protection plays an important role in the agricultural field, such as drone spraying, drone fertilization and sowing, drone rescue, etc. The traditional rice planting method is mostly done by manual transplanting or throwing, but manual transplanting is inefficient and labor-intensive. In order to solve this problem. The use of drones for throwing seedlings can quickly and evenly throw seedlings to different fields, avoiding geographical restrictions, and the throwing efficiency is high and the effect is good. For example, in the invention patent application with publication number CN115104410A, a new type of airborne seedling throwing mechanism and drone seedling throwing device are disclosed. However, when the device is throwing seedlings, a single seedling needs to be placed in a seedling placement position, and can only realize the transmission and throwing of a single seedling. For seedlings in a seedling tray, the seedlings need to be pulled out of the seedling tray and then placed in the seedling placement position of the throwing device. The operation process is complicated, the workload is large, and the throwing efficiency is not high. Summary of the Invention

[0003] The utility model aims to solve at least one of the technical problems mentioned above, and provides a seedling throwing device and a drone seedling throwing system, which are simple to operate and can improve the efficiency of throwing seedlings in seedling trays.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a seedling throwing device, comprising:

[0005] Main frame,

[0006] The seedling tray conveying mechanism includes a tray frame, a tray and a pushing assembly. The tray frame is detachably fixed to the top of the main frame, and a seedling placement area is provided at one end of the tray frame, and a tray collection area is provided at the other end. A support plate is provided at the bottom of the seedling placement area, and a seedling drop opening is formed on the support plate at one end close to the tray collection area. The tray is tilted for placing the seedling tray, and the tray is slidably matched with the tray frame. The pushing assembly is installed on the top of the main frame and can drive the tray to move from the seedling tray placement area to the tray collection area.

[0007] The seedling removing mechanism includes a front stopper, a rear stopper and a striker, the front stopper and the rear stopper are fixedly mounted on the main frame, and a guide groove for limiting the seedling tray is formed between the front stopper and the rear stopper, the upper end opening of the guide groove is located below the seedling dropping opening, and a first driving roller shaft for driving the seedling tray into the guide groove is provided, and the lower end opening of the guide groove is provided with a second driving roller shaft for sending the seedling tray in the guide groove out, a plurality of seedling removing grooves are correspondingly provided on the front stopper and the rear stopper, the striker is movably mounted on the main frame and connected to a driving device, each seedling removing groove corresponds to a striker, and the driving device can drive the striker to move toward or back to the seedling removing groove;

[0008] The seedling feeding mechanism includes a plurality of seedling guiding grooves provided on the main frame, wherein the plurality of seedling guiding grooves correspond to the plurality of seedling removing grooves one by one;

[0009] The seedling tray recovery mechanism comprises a support basket arranged below the lower end opening of the guide groove.

[0010] Preferably, the tray includes a support plate, and side plates are provided on both side edges of the support plate, so that the top of the tray forms an entrance for placing the seedling tray, and the bottom of the tray forms an exit for sliding the seedling tray out.

[0011] Preferably, both sides of the top and both sides of the bottom of the tray rack are provided with slide rails, and the top and bottom ends of the two side plates are provided with rollers engaged with the slide rails.

[0012] Preferably, the pushing assembly includes a ring-shaped chain installed on the top of the main frame, and a transmission structure for driving the chain to rotate in a circular motion. A number of push plates are evenly distributed around the chain along its length, and the push plates can push the tray from the seedling tray placement area toward the tray collection area.

[0013] Preferably, the front block and the rear block each include a plurality of blocking pieces arranged in parallel, and the guide groove is formed between two adjacent blocking pieces.

[0014] Preferably, a guide block is provided on the main frame, and a plurality of guide holes that slide in conjunction with the striker are provided on the guide block.

[0015] Preferably, the guide trough is rotatably connected to the main frame, and the main frame is provided with an adjustment structure for adjusting the distance between the lower end notches of adjacent guide troughs. The adjustment structure includes a mounting frame and an adjustment frame. The mounting frame is fixedly mounted on the main frame and is provided with a vertical adjustment slot. The adjustment frame can move along the adjustment slot to adjust the positioning, and the adjustment frame is provided with a number of levers that abut against the guide troughs one by one.

[0016] Preferably, a connecting frame is provided on the main frame, and a plurality of connecting grooves are provided on the connecting frame, and each connecting groove is connected to a corresponding seedling guiding groove and seedling removing groove.

[0017] Preferably, the support basket includes a horizontally arranged placement plate, and a plurality of baffles are vertically arranged on the edge of the placement plate, and the upper ends of the baffles are fixedly connected to the main frame.

[0018] The present application also discloses a drone seedling throwing system, comprising any of the above-mentioned seedling throwing devices and a drone, wherein the seedling throwing device is mounted on the drone.

[0019] The beneficial effect is that compared with the prior art, the present invention provides a seedling throwing device and an unmanned aerial vehicle seedling throwing system, which are provided with a seedling tray conveying mechanism, a seedling removing mechanism, a seedling feeding mechanism and a seedling tray recovery mechanism. When in use, the seedling tray containing seedlings can be placed on the tray in the seedling placement area, and then the tray is pushed toward the tray collection area by the pushing component. During the pushing process of the tray, the seedling tray can slide into the guide groove through the seedling dropping mouth, and the tray after the seedling tray slides can be uniformly collected and placed in the tray collection area, and the seedling tray can be rolled into the guide groove by the first driving roller at the upper end of the guide groove, and then the striker is driven to move toward the seedling tray, and the seedlings in the seedling tray hole are poked out by the impact of the striker, and the poked seedlings fall into the guide groove through the seedling removing groove and slide through the guide groove to realize the seedling throwing. In addition, the seedling tray after the seedling is removed is pushed out of the guide groove by the second driving roller and is uniformly collected and placed in the seedling tray recovery mechanism. During the entire operation process, there is no need to manually pull the seedling tray out of the seedling tray, the operation is simple, and the seedling throwing efficiency of the seedling tray is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following is a further detailed description of the specific embodiments of the present invention with reference to the accompanying drawings, wherein:

[0021] Figure 1 This is a structural schematic diagram of a seedling throwing device of the present application from one perspective;

[0022] Figure 2 This is a structural schematic diagram of a seedling throwing device of the present application from another perspective;

[0023] Figure 3 It is a structural diagram of the seedling delivery mechanism;

[0024] Figure 4 A schematic diagram of the structure of a pallet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. When a component is referred to as being "set in the middle", it does not only mean being set in the exact middle position, but also means being within the range defined by the middle as long as both ends are not set. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] like Figures 1 to 4 As shown, the present application discloses a seedling throwing device, including a main frame 1, a seedling tray conveying mechanism, a seedling removing mechanism, a seedling sending mechanism and a seedling tray recovery mechanism, specifically:

[0029] The seedling tray conveying mechanism includes a tray rack 2, a tray 3 and a pushing assembly. The tray rack 2 can be detachably fixed to the top of the main frame 1 by screws to facilitate the disassembly and assembly of the tray rack 2, and a seedling placement area 4 is provided at one end of the tray rack 2, and a tray collection area 5 is provided at the other end. Specifically, the seedling placement area 4 at one end of the tray rack 2 is fixed to the main frame 1, and the other end of the tray rack 2 extends outside the main frame 1 to form the tray collection area 5. A support plate 6 is provided at the bottom of the seedling placement area 4, and the support plate 6 forms a seedling drop port 7 at one end close to the tray collection area 5. The seedlings are placed in the tray 3 at the bottom of the tray 3. The tilted arrangement is used to place the seedling trays, and the tray 3 is slidably matched with the tray rack 2. The pushing assembly is installed on the top of the main frame 1 and can drive the tray 3 to move from the seedling tray placement area to the tray collection area 5. Specifically, the tray 3 can be tilted downward in the pushing direction. Each tray 3 can be placed on a seedling tray, which leans on the tray 3, and the lower end of the seedling tray is supported by the supporting plate 6 so that the seedling tray can be stably placed on the tray 3. When the seedling tray moves to the seedling drop port 7 during transportation, the seedling tray will slide out from the lower end of the tray 3 under the action of its own gravity due to the lack of support of the supporting plate 6.

[0030] The seedling removal mechanism includes a front stopper 8, a rear stopper 9 and a striker 10. The front stopper 8 and the rear stopper 9 are fixedly mounted on the main frame 1, and a guide groove 11 for limiting the seedling tray is formed between the front stopper 8 and the rear stopper 9. The upper end opening of the guide groove 11 is located below the seedling drop mouth 7, and is provided with a first driving roller 12 for driving the seedling tray into the guide groove 11. The lower end opening of the guide groove 11 is provided with a second driving roller 13 for sending the seedling tray in the guide groove 11 out. A plurality of seedling removal grooves 14 are correspondingly provided on the front stopper 8 and the rear stopper 9. The striker 10 It is movably mounted on the main frame 1 and connected to a driving structure. Each seedling-removing groove 14 corresponds to a striker 10. The driving structure can drive the striker 10 to move toward or away from the seedling-removing groove 14. Specifically, the first driving roller 12 and the second driving roller 13 can be driven by a belt transmission structure 24 in the prior art. The number of the seedling-removing grooves 14 is the same as the number of seedling tray holes in each row of the seedling tray and the positions correspond to each other. When the striker 10 strikes the seedling tray, the seedlings in the row of seedling tray holes corresponding to the striker 10 on the seedling tray can be simultaneously poked out.

[0031] The seedling delivery mechanism includes a plurality of seedling guide grooves 15 provided on the main frame 1. The number of the plurality of seedling guide grooves 15 is the same as the number of the seedling removal grooves 14, and the seedling guide grooves 15 correspond to the seedling removal grooves 14 one by one, so that the seedlings propelled by the striker 10 can pass through the seedling removal grooves 14 and fall into the corresponding seedling guide grooves 15 one by one.

[0032] The seedling tray recovery mechanism includes a supporting basket 16 arranged below the opening at the lower end of the guide groove 11. The supporting basket 16 can accommodate the seedling trays sent out from the lower end of the guide groove 11 to uniformly collect and process the seedling trays after the seedlings are removed. Specifically, the supporting basket 16 can include a horizontally arranged placement plate 34, and a plurality of blocking rods 35 are vertically arranged on the edge of the placement plate 34. The upper ends of the blocking rods 35 are fixedly connected to the main frame 1, thereby forming a basket structure for storing and placing seedling trays.

[0033] The present invention provides a seedling throwing device which is provided with a seedling tray conveying mechanism, a seedling removing mechanism, a seedling sending mechanism and a seedling tray collecting mechanism. When in use, the seedling tray with seedlings can be placed on the tray 3 of the seedling placing area 4, and then the tray 3 is pushed toward the tray collecting area 5 by the pushing component. During the pushing process of the tray 3, the seedling tray can slide down to the guide groove 11 through the seedling dropping mouth 7, and the tray 3 after sliding down can be uniformly collected and placed in the tray collecting area 5, and the first driving roller 12 at the upper end of the guide groove 11 can The seedling tray is rolled into the guide groove 11, and then the striker 10 is driven to move toward the seedling tray. The seedlings in the seedling tray hole are poked out under the impact of the striker 10, and the poked seedlings fall into the guide groove 15 through the seedling removal groove 14 and slide through the guide groove 15 to realize the seedling throwing. In addition, the seedling tray after the seedling is removed is pushed out of the guide groove 11 by the second driving roller 13, and is uniformly collected and placed in the seedling tray recovery mechanism. During the entire operation, there is no need to manually pull the seedling tray out of the seedling tray, the operation is simple, and the efficiency of throwing the seedling tray seedlings is improved.

[0034] In one embodiment of the present application, the tray 3 may include a support plate 17, and side plates 18 are provided on both side edges of the support plate 17, so that the top of the tray 3 forms an entrance 19 for placing the seedling tray, and the bottom of the tray 3 forms an exit 20 for the seedling tray to slide out. When the seedling tray is placed, it can be placed into the tray 3 from the entrance 19, and when the seedling tray slides down the seedling drop port 7, it can slide out of the tray 3 from the exit 20. Furthermore, slide rails 21 are provided on both sides of the top and bottom of the tray frame 2, and rollers 22 that cooperate with the slide rails 21 are provided on the top and bottom ends of the two side plates 18. By providing the rollers 22 to slide with the slide rails 21, a sliding connection between the tray 3 and the tray frame 2 is achieved, and the stability of the installation of the tray 3 is improved.

[0035] In the present application, the pushing assembly can include a ring-shaped chain 23 installed on the top of the main frame 1, and a transmission structure 24 for driving the chain 23 to rotate in a circular manner. The transmission structure 24 can adopt the existing sprocket transmission structure 24, that is, sprockets are connected to both ends of the chain 23, and the sprockets are connected to the motor transmission. The sprockets are driven by the motor to rotate, thereby driving the chain 23 to rotate. Several push plates 25 are evenly distributed around the chain 23 along its length direction. Rollers 22 are installed on both sides of the tray 3 through a connecting rod. The push plates 25 can abut against the connecting rod, thereby pushing the tray 3 from the seedling tray placement area toward the tray collection area 5.

[0036] In one preferred embodiment of the present application, the front block 8 and the rear block 9 may each include a plurality of baffles 26 arranged in parallel, the baffles 26 are connected and fixed by a fixing rod, and the guide groove 11 is formed between two adjacent baffles 26.

[0037] In order to improve the stability of the striker 10 during its movement, a guide block 27 is provided on the main frame 1, and the guide block 27 is provided with the same number of guide blocks 27 as the striker 10. Several strikers 10 are slidably installed in the corresponding guide holes one by one. The driving device can adopt a motor, and the output shaft of the motor is connected to the striker 10 through a crank mechanism. By controlling the rotation of the motor, the striker 10 is driven to perform a cyclical impact on the seedling tray.

[0038] In another preferred embodiment of the present application, the upper end of the seedling guide trough 15 can be rotatably connected to the main frame 1 via an axle, and the main frame 1 is provided with an adjustment structure for adjusting the distance between the lower end notches of adjacent seedling guide troughs 15. Specifically, the adjustment structure includes a mounting frame 28 and an adjustment frame 29. The mounting frame 28 can be fixed to the main frame 1 by screws and is provided with a vertical adjustment slot 30. The adjustment frame 29 can be moved along the adjustment slot 30 for adjustment and positioning. The adjustment frame 29 is provided with a plurality of levers 31 that abut against the seedling guide trough 15 one by one. Specifically, the adjustment frame 29 is provided with an adjustment rod that slides with the adjustment slot 30. The adjustment rod is provided with a locking bolt that can adjust the position of the adjustment rod 29 in the vertical direction along the adjustment slot 30. After the position is adjusted, the adjustment rod 29 can be locked and fixed to the mounting frame 28 by tightening the locking bolt. The outer wall of the seedling guide trough 15 abuts against the adjustment rod. By adjusting the height of the adjustment rod, the inclination angle of the seedling guide trough 15 to the side can be adjusted.

[0039] In the present application, a connecting frame 32 is further provided on the main frame 1 , and a plurality of connecting grooves 33 are provided on the connecting frame 32 , and each connecting groove 33 is connected to a corresponding seedling guiding groove 15 and a seedling removing groove 14 .

[0040] It should be noted that after all the seedling trays on the tray rack 2 have been planted, the entire tray rack 2 can be removed from the main frame 1, and then the seedling trays with the seedlings can be placed on the tray 3 again, and then the position of the tray 3 can be adjusted so that one tray 3 corresponds to one push plate 25, and then the tray rack 2 can be fixed to the main frame 1.

[0041] In addition, the present application also discloses a drone seedling throwing system, comprising any of the above-mentioned seedling throwing devices and a drone, wherein the seedling throwing device is installed on the drone, and the drone drives the seedling throwing device to fly, thereby realizing the automatic seedling throwing operation of the drone. A drone seedling throwing system of the utility model is provided with a seedling tray conveying mechanism, a seedling removing mechanism, a seedling feeding mechanism and a seedling tray recovery mechanism. When in use, the seedling tray containing the seedlings can be placed on the tray 3 in the seedling placement area 4, and then the tray 3 is pushed toward the tray collection area 5 by the pushing component. During the pushing process of the tray 3, the seedling tray can slide down to the guide groove 11 through the seedling drop mouth 7, and the tray 3 after sliding down can be uniformly collected and placed in the tray collection area 5, and through the first driving roller 12 at the upper end of the guide groove 11 The seedling tray can be rolled into the guide groove 11, and then the striker 10 is driven to move toward the seedling tray. The seedlings in the seedling tray hole are poked out under the impact of the striker 10, and the poked seedlings fall into the guide groove 15 through the seedling removal groove 14 and slide through the guide groove 15 to achieve seedling throwing. In addition, the seedling tray after the seedling is removed is pushed out of the guide groove 11 by the second driving roller 13, and is uniformly collected and placed in the seedling tray recovery mechanism. During the entire operation process, there is no need to manually pull the seedling tray out of the seedling tray, the operation is simple, and the efficiency of seedling throwing of the seedling tray seedlings is improved.

[0042] The above embodiments are only used to illustrate the technical solution of the present invention and are not intended to limit the present invention. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall be included in the scope of the technical solution of the present invention.

Claims

1. A seedling throwing device, characterized in that: include: Main frame (1), A seedling tray conveying mechanism comprises a tray frame (2), a tray (3) and a pushing assembly, wherein the tray frame (2) is detachably fixedly mounted on the top of a main frame (1), and one end of the tray frame (2) is provided with a seedling placement area (4), and the other end is provided with a tray collection area (5), a supporting plate (6) is provided at the bottom of the seedling placement area (4), and the supporting plate (6) forms a seedling drop opening (7) at one end close to the tray collection area (5), the tray (3) is tilted for placing the seedling tray, and the tray (3) and the tray frame (2) are slidably matched, and the pushing assembly is mounted on the top of the main frame (1) and can drive the tray (3) to move from the seedling tray placement area toward the tray collection area (5); The seedling removing mechanism comprises a front stopper (8), a rear stopper (9) and a striker (10); the front stopper (8) and the rear stopper (9) are both fixedly mounted on the main frame (1); a guide groove (11) for limiting the position of the seedling tray is formed between the front stopper (8) and the rear stopper (9); the upper end opening of the guide groove (11) is located below the seedling dropping opening (7); and a first driving roller (12) for driving the seedling tray to enter the guide groove (11) is provided; the lower end opening of the guide groove (11) is provided with a second driving roller (13) for sending the seedling tray in the guide groove (11) out; a plurality of seedling removing grooves (14) are correspondingly provided on the front stopper (8) and the rear stopper (9); the striker (10) is movably mounted on the main frame (1) and connected to a driving structure; each seedling removing groove (14) corresponds to a striker (10); and the driving structure can drive the striker (10) to move toward or away from the seedling removing groove (14); A seedling feeding mechanism comprises a plurality of seedling guiding grooves (15) arranged on a main frame (1), wherein the plurality of seedling guiding grooves (15) correspond one to one with the plurality of seedling removing grooves (14); The seedling tray recovery mechanism comprises a support basket (16) arranged below the lower end opening of the guide groove (11).

2. A rice seedling throwing device according to claim 1, characterized in that: The tray (3) comprises a support plate (17), and side plates (18) are provided on both side edges of the support plate (17), so that the top of the tray (3) forms an inlet (19) for placing the seedling tray, and the bottom of the tray (3) forms an outlet (20) for the seedling tray to slide out.

3. A seedling throwing device according to claim 2, characterized in that: Both sides of the top and bottom of the tray rack (2) are provided with slide rails (21), and the top and bottom ends of the two side plates (18) are provided with rollers (22) that cooperate with the slide rails (21).

4. A seedling throwing device according to claim 1, characterized in that: The pushing assembly comprises a ring-shaped chain (23) mounted on the top of the main frame (1), and a transmission structure (24) for driving the chain (23) to rotate cyclically. A plurality of push plates (25) are evenly distributed around the chain (23) along its length, and the push plates (25) can push the tray (3) to move from the seedling tray placement area toward the tray collection area (5).

5. A seedling throwing device according to claim 1, characterized in that: The front block (8) and the rear block (9) both include a plurality of blocking pieces (26) arranged in parallel, and the guide groove (11) is formed between two adjacent blocking pieces (26).

6. A rice seedling throwing device according to claim 1, characterized in that: The main frame (1) is provided with a guide block (27), and the guide block (27) is provided with a plurality of guide holes that are slidably matched with the striker (10) one by one.

7. A rice seedling throwing device according to claim 1, characterized in that: The seedling guide groove (15) is rotatably connected to the main frame (1). The main frame (1) is provided with an adjustment structure for adjusting the distance between the lower end notches of adjacent seedling guide grooves (15). The adjustment structure comprises a mounting frame (28) and an adjustment frame (29). The mounting frame (28) is fixedly mounted on the main frame (1) and provided with a vertical adjustment groove (30). The adjustment frame (29) can be moved along the adjustment groove (30) to adjust the position. The adjustment frame (29) is provided with a plurality of shifting rods (31) that abut against the seedling guide grooves (15) one by one.

8. The seedling throwing device according to claim 1, characterized in that: The main frame (1) is provided with a connecting frame (32), and the connecting frame (32) is provided with a plurality of connecting grooves (33), and each connecting groove (33) is connected to a corresponding seedling guiding groove (15) and a seedling removing groove (14).

9. The rice seedling throwing device according to claim 1, characterized in that: The support basket (16) comprises a horizontally arranged placement plate (34), the edge of which is vertically provided with a plurality of blocking rods (35), and the upper ends of the blocking rods (35) are fixedly connected to the main frame (1).

10. A drone seedling throwing system, characterized in that: The invention comprises the seedling throwing device according to any one of claims 1 to 9, and a drone, wherein the seedling throwing device is mounted on the drone.

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