Seedling tray stacking machine

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a seedling tray stacking machine which comprises a tray stacking machine body, a guide piece, a lifting hook and an adjusting assembly, the tray stacking machine body comprises a plurality of conveying roll shafts and a jacking assembly, the conveying roll shafts arranged in parallel are connected to the tray stacking machine body, the jacking assembly is connected to the tray stacking machine body, and the lifting hook is connected to the tray stacking machine body. The two guiding pieces are symmetrically arranged and connected to the tray stacking machine body. A plurality of lifting hooks are distributed on the tray stacking machine body, the lifting hooks are rotationally connected to the tray stacking machine body, the lifting hooks are of a split type design, and each lifting hook is composed of a hook tail and a hook head. According to the lifting hook, the adjusting assembly capable of adjusting the distance between the hook head and the hook tail is arranged on the lifting hook which is arranged in a split mode, the adjusting assembly can adjust the position of the hook head through mutual clamping of the limiting block on the first threaded rod and the limiting groove in the connecting plate, and the hook head can be taken down when the limiting block is completely separated from the limiting groove; and the seedling trays can be replaced according to different materials and sizes, so that the damage to the seedling trays is reduced.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically to a seedling tray stacking machine. Background Technology

[0002] To meet the demands for automation and efficiency in seedling raising, various seedling tray raising and sowing production lines have emerged. These production lines typically include processes such as seedling tray feeding, laying bottom soil, compaction, sowing, covering with topsoil, spraying water, and unpacking the trays.

[0003] Chinese Patent Publication No. CN222453788U discloses an automatic seed tray stacking machine, including a frame with two long conveyor belts and two short conveyor belts inside. The upper half of the short conveyor belts is higher than the upper half of the long conveyor belts. A flip-up baffle is provided on the front side of the short conveyor belts. Two sets of symmetrically arranged lifting hooks are provided on the frame, located on the outside of the short conveyor belts. Through the cooperation of the long conveyor belts, short conveyor belts, baffles, and lifting hooks, it can automatically complete the stacking of seed trays, effectively improving the stacking efficiency and reducing the labor intensity of workers.

[0004] However, the above technical solution can only adapt to the stacking of seedling trays of different specifications by setting an adjustable limit guide plate, a guide adjustment component and a separate lifting hook. However, when adjusting the device, multiple lifting hooks need to be disassembled and different lifting hook heads need to be replaced to adapt to different seedling trays. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a seedling tray stacking machine.

[0006] The technical solution of this utility model is as follows: A seedling tray stacking machine includes a stacking machine body, which includes conveying rollers and a lifting assembly. Multiple parallel conveying rollers are connected to the stacking machine body, and the lifting assembly is also connected to the stacking machine body. Two guide members are symmetrically arranged and connected to the stacking machine body. Multiple lifting hooks are distributed and rotatably connected to the stacking machine body. Each lifting hook has a split design, consisting of a hook tail and a hook head. An adjustment assembly is connected to the lifting hooks. The adjustment assembly includes an adjustment... The assembly includes a sleeve, a connecting plate, an adjusting handle, a first threaded rod, and a limiting block. The connecting plate is parallel to the hook head and connected to it. A limiting groove is provided on the connecting plate. The adjusting sleeve is fitted onto the outside of the connecting plate and the hook tail. The hook head is connected to the adjusting sleeve. One end of the first threaded rod is rotatably connected to the adjusting sleeve. One end of the first threaded rod is connected to the adjusting handle, and the other end is connected to the limiting block. The limiting block cooperates with the limiting groove. When the adjusting assembly is in use, the adjusting sleeve moves along the connecting plate to adjust the distance between the hook head and the hook tail to adapt to different sized seedling trays.

[0007] Preferably, the adjustment assembly further includes two limiting plates, which are symmetrically arranged. The limiting plates are connected to the opening and closing receiving cavity inside the adjustment sleeve. The limiting blocks have guide grooves on opposite sides. The guide blocks are connected to the limiting blocks and are slidably connected to the guide grooves on the limiting plates.

[0008] Preferably, the hook tail is connected to the rotating shaft, the two sides of the rotating shaft are rotatably connected to the fixed plate, the fixed plate is connected to the main body of the stacking machine, and a torsion spring is sleeved on the rotating shaft.

[0009] Preferably, the lifting assembly includes multiple telescopic devices connected to the main body of the stacking machine; a lifting platform parallel to the horizontal plane and connected to the telescopic end of the telescopic devices; multiple lifting frames installed on the lifting platform; a pitch-changing assembly connected to the lifting platform; and an adjustment assembly connected to the lifting frames. In use, the adjustment assembly adjusts the spacing between the lifting frames to accommodate different seedling trays.

[0010] Preferably, the pitch-changing assembly includes a second threaded rod with fixed seats rotatably connected to both ends, the fixed seats being connected to the lifting platform, and an adjusting disc being connected to any one of the fixed seats; a guide rod, which is arranged parallel to the second threaded rod, with mounting seats connected to both ends of the guide rod, and the mounting seats being installed on the lifting platform; and movable plates, the number of which corresponds to the lifting frame, with one side of the movable plate connected to the lifting frame, and threaded holes and through holes that cooperate with the second threaded rod and the guide rod being provided on the movable plate.

[0011] Preferably, the adjusting handle is provided with an indicator mark, and the adjusting sleeve is provided with a reference mark.

[0012] Preferably, the guide component includes a fixed plate, a sliding plate, a fixing bolt, and a guide frame. Two parallel fixed plates are respectively connected to the two sides of the stacking machine body. The sliding plate is arranged parallel to the fixed plate, and a sliding groove is provided on the sliding plate. The fixing bolt passes through the sliding groove and is threaded to the fixed plate. The guide frame is n-shaped, and both ends of the guide frame are connected to the sliding plate.

[0013] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0014] In this invention, an adjustment component is provided on the split-type lifting hook to adjust the distance between the hook head and the hook tail. The adjustment component can adjust the position of the hook head by interlocking the upper limit block of the first threaded rod with the upper limit groove of the connecting plate. It can also remove the hook head when the upper limit block is completely disengaged from the upper limit groove, and replace it according to the different materials and sizes of the seedling trays to reduce damage to the seedling trays. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 for Figure 1 Enlarged view of the structure at point A;

[0017] Figure 3 for Figure 1 A cross-sectional view;

[0018] Figure 4 This is a schematic diagram of the lifting hook structure;

[0019] Figure 5 for Figure 4 Enlarged view of the structure at point B;

[0020] Reference numerals in the attached drawings: 1. Stacking machine body; 2. Conveying roller shaft; 3. Guide component; 4. Lifting hook; 5. Hook tail; 6. Hook head; 7. Adjusting sleeve; 8. Connecting plate; 9. Adjusting handle; 10. First threaded rod; 11. Limiting block; 12. Limiting groove; 13. Limiting plate; 14. Guide groove; 15. Guide block; 16. Rotating shaft; 17. Fixing plate; 18. Torsion spring; 19. Telescopic device; 20. Lifting platform; 21. Lifting frame; 22. Second threaded rod; 23. Adjusting disc; 24. Guide rod; 25. Moving plate; 26. Fixing plate; 27. Sliding plate; 28. Fixing bolt; 29. ​​Guide frame. Detailed Implementation

[0021] Example 1

[0022] like Figures 1-5 As shown, this utility model proposes a seedling tray stacking machine, including a stacking machine body 1, guide components 3, lifting hooks 4, and an adjustment assembly. The stacking machine body 1 includes conveying rollers 2 and a lifting assembly. Multiple parallel conveying rollers 2 are connected to the stacking machine body 1, and the lifting assembly is connected to the stacking machine body 1. A photoelectric sensor is installed on the stacking machine body 1 to detect the position of the seedling trays and control the start and stop of the telescopic device 19. Two guide components 3 are symmetrically arranged and connected to the stacking machine body 1. Multiple lifting hooks 4 are distributed and rotatably connected to the stacking machine body 1. The lifting hooks 4 are of a split design, consisting of a hook tail 5 and a hook head 6. The adjustment assembly... The component is connected to the lifting hook 4; the adjustment assembly includes an adjustment sleeve 7, a connecting plate 8, an adjustment handle 9, a first threaded rod 10, and a limiting block 11. The connecting plate 8 is arranged parallel to the hook head 6 and is connected to the hook head 6. A limiting groove 12 is opened on the connecting plate 8. The adjustment sleeve 7 is sleeved on the outside of the connecting plate 8 and the hook tail 5. The hook head 6 is connected to the adjustment sleeve 7. One end of the first threaded rod 10 is rotatably connected to the adjustment sleeve 7. One end of the first threaded rod 10 is connected to the adjustment handle 9. The other end of the first threaded rod 10 is connected to the limiting block 11. The limiting block 11 cooperates with the limiting groove 12. When the adjustment assembly is in use, the adjustment sleeve 7 moves along the connecting plate 8 to adjust the distance between the hook head 6 and the hook tail 5 to adapt to different sized seedling trays.

[0023] Embodiment 2

[0024] As Figures 2-5 shown, a tray stacking machine proposed by the present utility model, compared with Embodiment 1, details of the adjustment component are recorded in this embodiment. The adjustment component further includes a limit plate 13 and a guide block 15. There are two limit plates 13 symmetrically arranged. The limit plate 13 is connected in the accommodation cavity opened and closed in the adjustment sleeve 7. A guide groove 14 is opened on the opposite side of the limit block 11; the shape of the guide groove 14 is in the shape of "丰" (a Chinese character); the guide block 15 is connected to the limit block 11, and the guide block 15 is slidably connected to the guide groove 14 on the limit plate 13;

[0025] In an optional embodiment, the hook tail 5 is connected to the rotating shaft 16. Both sides of the rotating shaft 16 are rotatably connected to the fixed piece 17. The fixed piece 17 is connected to the stacking machine main body 1. A torsion spring 18 is sleeved on the rotating shaft 16;

[0026] The jacking component includes a telescopic device 19, a jacking platform 20, a jacking frame 21 and a pitch-changing component. There are multiple telescopic devices 19 distributed. The telescopic device 19 is connected to the stacking machine main body 1; the telescopic device 19 can be selected but is not limited to hydraulic cylinders and electric push rods; the jacking platform 20 is arranged parallel to the horizontal plane. The jacking platform 20 is connected to the telescopic end of the telescopic device 19. There are multiple jacking frames 21 arranged in parallel. The jacking frames 21 are installed on the jacking platform 20; rubber pads can be adhered to the jacking frames 21 to prevent damage to the seedling trays; the pitch-changing component is connected to the jacking platform 20, and the adjustment component is connected to the jacking frame 21; in the use state of the adjustment component, the adjustment component adjusts the distance between the jacking frames 21 to adapt to different seedling trays;

[0027] The pitch-changing component includes a second threaded rod 22, an adjustment disc 23, a guide rod 24 and a moving plate 25. Both ends of the second threaded rod 22 are rotatably connected to a fixed seat. The fixed seat is connected to the jacking platform 20. The second threaded rod 22 passes through any one of the fixed seats and is connected to the adjustment disc 23. The guide rod 24 is arranged parallel to the second threaded rod 22. Both ends of the guide rod 24 are connected to a mounting seat. The mounting seat is installed on the jacking platform 20. The number of moving plates 25 corresponds to that of the jacking frames 21. One side of the moving plate 25 is connected to the jacking frame 21. Threaded holes and through holes for cooperating with the second threaded rod 22 and the guide rod 24 are opened on the moving plate 25;

[0028] In an optional embodiment, an indication mark is provided on the adjustment handle 9, and a reference mark is provided on the adjustment sleeve 7; the indication mark provides a reference for the rotation of the adjustment handle 9;

[0029] In an optional embodiment, the guide member 3 includes a fixed plate 26, a sliding plate 27, a fixing bolt 28, and a guide frame 29. Two parallel fixed plates 26 are respectively connected to the two sides of the stacking machine body 1. The sliding plate 27 is arranged parallel to the fixed plate 26 vertically. The sliding plate 27 has a sliding groove. The fixing bolt 28 passes through the sliding groove and is threaded to the fixed plate 26. The guide frame 29 is n-shaped, and both ends of the guide frame 29 are connected to the sliding plate 27.

[0030] In summary, when this utility model is in use, the seedling trays are conveyed by the conveying rollers 2, and the power on the stacking machine body 1 drives them to rotate. The seedling trays gradually approach the photoelectric sensors installed on the stacking machine body 1. As they move, the guide frame 29 guides them to the middle position. The operator can rotate the fixing bolts 28 according to the different seedling trays, thereby adjusting the position of the sliding plate 27 and the guide frame 29 on the fixing plate 26. The photoelectric sensors control the telescopic device 19 to move the lifting platform 20 and the lifting frame 21 upwards. The lifting frame 21 rises from the gap on the conveying rollers 2. The seedling tray is moved above the lifting hook 4, and at the same time the seedling tray pushes the lifting hook 4 to rotate around the rotating shaft 16. Then, it is reset by the torsion spring 18. The telescopic device 19 retracts until the next seedling tray triggers the photoelectric sensor again. When the operator rotates the adjusting handle 9, it can drive the first threaded rod 10 to rotate. The limiting block 11 and the guide block 15 on the first threaded rod 10 move vertically along the guide groove 14. The limiting block 11 moves away from the limiting groove 12, so that the adjusting sleeve 7 can slide along the connecting plate 8 and the hook tail 5 to adjust the position of the hook head 6, and also make it easy to replace the hook head 6.

[0031] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A seedling tray stacking machine, characterized in that, include The stacking machine body (1) includes conveying rollers (2) and lifting components. Multiple parallel conveying rollers (2) are connected to the stacking machine body (1), and the lifting components are connected to the stacking machine body (1). There are two guide members (3) symmetrically arranged, and the guide members (3) are connected to the main body (1) of the stacking machine; The lifting hook (4) is distributed in multiple parts. The lifting hook (4) is rotatably connected to the main body (1) of the stacking machine. The lifting hook (4) is a split design, consisting of a hook tail (5) and a hook head (6). An adjustment assembly is connected to the lifting hook (4). The adjustment assembly includes an adjustment sleeve (7), a connecting plate (8), an adjustment handle (9), a first threaded rod (10), and a limiting block (11). The connecting plate (8) is set parallel to the hook head (6) and is connected to the hook head (6). A limiting groove (12) is opened on the connecting plate (8). The adjustment sleeve (7) is fitted on the outside of the connecting plate (8) and the hook tail (5). The hook head (6) is connected to the adjustment sleeve (7). One end of the first threaded rod (10) is rotatably connected to the adjustment sleeve (7). One end of the first threaded rod (10) is connected to the adjustment handle (9), and the other end of the first threaded rod (10) is connected to the limiting block (11). The limiting block (11) cooperates with the limiting groove (12). When the adjustment assembly is in use, the adjustment sleeve (7) moves along the connecting plate (8) to adjust the distance between the hook head (6) and the hook tail (5) to adapt to different sizes of seedling trays.

2. The seedling tray stacking machine according to claim 1, characterized in that, The adjustment components also include There are two symmetrically arranged limiting plates (13). The limiting plates (13) are connected to the cavity that is opened and closed in the adjusting sleeve (7). The limiting blocks (11) have guide grooves (14) on opposite sides. The guide block (15) is connected to the limiting block (11), and the guide block (15) is slidably connected to the guide groove (14) on the limiting plate (13).

3. The seedling tray stacking machine according to claim 1, characterized in that, The hook tail (5) is connected to the rotating shaft (16), and the two sides of the rotating shaft (16) are rotatably connected to the fixed plate (17). The fixed plate (17) is connected to the main body (1) of the stacking machine. A torsion spring (18) is sleeved on the rotating shaft (16).

4. The seedling tray stacking machine according to claim 1, characterized in that, Lifting components include Telescopic devices (19) are distributed in multiple ways and are connected to the main body (1) of the stacking machine; The lifting platform (20) is set parallel to the horizontal plane and is connected to the telescopic end of the telescopic device (19); Multiple lifting frames (21) are arranged in parallel, and the lifting frames (21) are installed on the lifting platform (20); The variable pitch component is connected to the lifting platform (20), and the adjustment component is connected to the lifting frame (21). When the adjustment component is in use, it adjusts the spacing between the lifting frames (21) to adapt to different seedling trays.

5. A seedling tray stacking machine according to claim 4, characterized in that, Pitch components include The second threaded rod (22) has fixed seats rotatably connected to both ends. The fixed seats are connected to the lifting platform (20). The second threaded rod (22) passes through any one of the fixed seats and is connected to an adjusting plate (23). The guide rod (24) is arranged parallel to the second threaded rod (22), and the guide rod (24) is connected to the mounting base at both ends. The mounting base is installed on the lifting platform (20). The number of movable plates (25) corresponds to the number of lifting frames (21). One side of the movable plate (25) is connected to the lifting frame (21). The movable plate (25) is provided with threaded holes and through holes that cooperate with the second threaded rod (22) and the guide rod (24).

6. A seedling tray stacking machine according to claim 1, characterized in that, An indicator mark is provided on the adjusting handle (9), and a reference mark is provided on the adjusting sleeve (7).

7. A seedling tray stacking machine according to claim 1, characterized in that, The guide component (3) includes a fixed plate (26), a sliding plate (27), a fixing bolt (28), and a guide frame (29). Two parallel fixed plates (26) are respectively connected to the two sides of the stacking machine body (1). The sliding plate (27) is arranged parallel to the fixed plate (26) vertically. A sliding groove is provided on the sliding plate (27). The fixing bolt (28) passes through the sliding groove and is threaded to the fixed plate (26). The guide frame (29) is n-shaped. Both ends of the guide frame (29) are connected to the sliding plate (27).

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