A device for orderly picking up bowl seedlings by cam ejection and a rice transplanter

Abstract

The present invention discloses a cam ejecting type orderly seedling taking device for pot seedlings and a rice transplanter, belonging to the technical field of crop planting, which includes: a frame bottom plate; a main gear box and a sub-gear box installed on the frame bottom plate; a transmission assembly installed on the main gear box and the sub-gear box; a pot seedling conveying mechanism installed on the main gear box and the frame bottom plate; a cam ejector rod seedling taking mechanism installed on the main gear box and the sub-gear box; the main gear box is drivingly connected to the cam ejector rod seedling taking mechanism through the transmission assembly; the sub-gear box is drivingly connected to the pot seedling conveying mechanism through the transmission assembly. In the present invention, the seedling tray filled with pot seedlings runs intermittently and orderly to the seedling taking position in the seedling tray input unit, the pot seedlings are ejected from the seedling tray by the cam ejector rod seedling taking mechanism to complete the seedling taking operation, the empty seedling tray enters the seedling tray output unit under the drive of the crank hook part, and finally leaves the cam ejecting type orderly seedling taking device for pot seedlings.

Description

Technical Field

[0001] The present invention belongs to the technical field of crop planting, and particularly relates to a cam ejecting type orderly seedling picking device for bowl seedlings and a rice transplanter. Background Art

[0002] With the increasing acceleration of the adjustment of China's agricultural industrial structure and the urbanization process, agricultural labor force gradually transfers to other industries, which intensifies the tightness of cropping seasons in the south. The traditional planting mode can no longer meet the new demands of the current agricultural development in China. The technology of raising and transplanting bowl seedlings has the advantages of quick seedling revival and remarkable effects of stable yield increase.

[0003] The seedling picking device is the core component of a crop rice transplanter, and its performance determines the operation efficiency of the rice transplanter and the subsequent growth of crops. Existing rice transplanters have problems of serious damage to bowl seedlings and poor throwing uniformity.

[0004] In view of the above problems, it is urgent to develop an orderly seedling picking device with reliable working performance and low seedling damage rate to meet the needs of crop mechanized transplanting and lay a solid foundation for the development of modern agriculture. Summary of the Invention

[0005] The purpose of the present invention is to provide an orderly seedling picking device with reliable working performance and low seedling damage rate. To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A cam ejecting type orderly seedling picking device for bowl seedlings, comprising:

[0007] A frame bottom plate;

[0008] A main gear box and an auxiliary gear box installed on the frame bottom plate;

[0009] A transmission assembly, the transmission assembly being installed on the main gear box and the auxiliary gear box;

[0010] A bowl seedling conveying mechanism, the bowl seedling conveying mechanism being installed on the main gear box and the frame bottom plate;

[0011] A cam ejector rod seedling picking mechanism, the cam ejector rod seedling picking mechanism being installed on the main gear box and the auxiliary gear box;

[0012] Wherein, the bowl seedling conveying mechanism inputs a seedling tray filled with bowl seedlings to the working position of the cam ejector rod seedling picking mechanism, the cam ejector rod seedling picking mechanism performs an ejecting and seedling picking operation on the bowl seedlings in the seedling tray, and then, the bowl seedling conveying mechanism drives the empty seedling tray after the ejecting and seedling picking operation away;

[0013] The main gear box is drivingly connected to the cam push rod seedling taking mechanism through the transmission assembly to drive the cam push rod seedling taking mechanism to take out the seedlings from the seedling tray;

[0014] The auxiliary gear box is drivingly connected to the pot seedling conveying mechanism through the transmission assembly to drive the pot seedling conveying mechanism to intermittently convey the pot seedling tray to the cam push rod seedling taking mechanism, and drive the empty seedling tray after the seedling taking operation to leave the pot seedling conveying mechanism.

[0015] Furthermore, the pot seedling conveying mechanism includes a seedling tray input unit, a seedling tray output unit, a seedling tray conveying auxiliary bracket and a crank hook component; the seedling tray input unit, the seedling tray output unit and the seedling tray conveying auxiliary bracket are all fixedly mounted on the frame bottom plate, and the seedling tray input unit conveys the seedling tray containing the pot seedlings to the cam push rod seedling taking mechanism; the crank hook component is 2 groups, and the 2 groups of crank hook components are symmetrically arranged on the sub-gear box, and the crank hook component drives the seedling tray to intermittently run downward in the seedling tray input unit; the seedling tray conveying auxiliary bracket is located between the seedling tray input unit and the seedling tray output unit, and the seedling tray conveying auxiliary bracket separates the rows of pot seedlings in an orderly manner to prevent the occurrence of seedlings running in disorder, and assists in conveying the pot seedling tray to the seedling tray output unit; the seedling tray output unit will drive the cam push rod seedling taking mechanism to push out the empty seedling tray after the seedling taking operation to leave the pot seedling conveying mechanism.

[0016] Furthermore, the seedling tray input unit includes a seedling box assembly and a seedling box support assembly.

[0017] The seedling box assembly comprises a lower arc plate of the seedling box, a seedling tray guide pressure plate and a plurality of upper arc plates of the seedling box, the seedling box assembly comprises a lower arc plate of the seedling box, a seedling tray guide pressure plate and a plurality of upper arc plates of the seedling box, the plurality of upper arc plates of the seedling box are arranged at intervals, and are fixedly connected to each other by bolts, and are fixedly connected to the lower arc plate of the seedling box by bolts;

[0018] The seedling tray guide pressure plate is provided with a positioning bayonet, and positioning slots with strip holes are provided on both sides of the upper arc plate of the seedling box. The positioning bayonet is docked and installed with the positioning slot, so that the gap between the upper arc plate of the seedling box and the seedling tray guide pressure plate can be changed by adjusting the positions of the positioning bayonet and the positioning slot to adapt to different pot seedling trays;

[0019] The seedling box support assembly includes a seedling box positioning crossbeam, a seedling box support sheet metal I and a seedling box support sheet metal II. The seedling box positioning crossbeam is located at the lower end of the seedling box lower arc plate and is fixedly connected to the seedling box lower arc plate; the seedling box support sheet metal I is hingedly connected to the seedling box positioning crossbeam, and the seedling box support sheet metal I is located at the upper end of the seedling box support sheet metal II and is fixedly connected to the seedling box support sheet metal II;

[0020] There are two groups of the seedling box support sheet metal II. The first group of the seedling box support sheet metal II is fixedly installed on the main gearbox, and the second group of the seedling box support sheet metal II is fixedly installed on the frame bottom plate through the frame connecting column;

[0021] The seedling tray output unit includes an output support plate, a mounting bottom plate, seedling tray output rollers, output frame side plates and connecting sheet metals. The mounting bottom plate is fixedly connected to the frame bottom plate by bolts.

[0022] There are two output frame side plates, which are fixedly installed on the mounting bottom plate in parallel at intervals; the output support plate is located between the two output frame side plates and is fixedly installed on the mounting bottom plate;

[0023] There are multiple connecting sheet metals, and the multiple connecting sheet metals are arranged at intervals and are hinged to the two output frame side plates; there are multiple seedling tray output rollers, and the multiple seedling tray output rollers are arranged at intervals and are installed between the two output frame side plates to enable the pot body seedling tray to smoothly leave the pot body seedling conveying mechanism.

[0024] Furthermore, the seedling tray conveying auxiliary bracket includes bracket side plates, a bracket bottom plate, seedling separating partitions, auxiliary ejecting positioning plates, seedling tray guide plates, guide plate mounting parts, pressing plate claws and pressing plate claw mounting shafts. The bracket side plates are fixedly connected to the bracket bottom plate, and the bracket bottom plate is fixedly connected to the frame bottom plate by bolts; there are multiple seedling separating partitions, and the multiple seedling separating partitions are arranged in parallel at intervals on the bracket bottom plate, and the multiple seedling separating partitions can orderly separate the pot body seedlings in each row to prevent seedling mixing and disorder.

[0025] One end of the seedling tray guide plate is fixed on the auxiliary ejecting positioning plate through the guide plate mounting part, and the other end of the seedling tray guide plate is fixedly installed with the connecting sheet metal; the auxiliary ejecting positioning plate is fixedly installed at the upper end of the bracket side plate.

[0026] The seedling separating partitions and the seedling tray guide plate can assist in conveying the pot body seedling tray to the seedling tray output unit.

[0027] Multiple positioning guide holes are provided on the auxiliary ejecting positioning plate, and the multiple positioning guide holes cooperate with the cam ejecting rod seedling taking mechanism to orient the cam ejecting rod seedling taking mechanism and ensure the orderly and accurate seedling taking operation.

[0028] The pressing plate claw mounting shaft is installed on the bracket side plate, and the pressing plate claw is rotatably installed on the pressing plate claw mounting shaft.

[0029] Further, the cam ejector seedling taking mechanism includes a cam assembly and an ejector rod assembly. The cam assembly includes a cam and a cam drive shaft. There are 2 cams, and the 2 cams are symmetrically arranged at both ends of the cam drive shaft. A drive groove is provided on the cam.

[0030] The cam drive shaft is installed in the main gearbox. The transmission assembly drives the cam drive shaft to rotate and drives the cam to rotate.

[0031] The ejector rod assembly includes a transmission rod, an ejector rod fixing plate, and a plurality of ejector rods. There are 2 transmission rods, and the first ends of the 2 transmission rods are respectively fixed on both sides of the ejector rod fixing plate. The plurality of ejector rods are arranged on the ejector rod fixing plate at intervals along the length direction of the ejector rod fixing plate. The second end of the transmission rod is fixedly connected to an ejector rod slider. The ejector rod slider is matched with the drive groove to drive the transmission rod to drive the ejector rod fixing plate to perform a horizontal reciprocating ejecting motion. The ejector rod fixing plate drives the plurality of ejector rods to perform the ejecting and seedling taking operation on the pot seedlings.

[0032] The plurality of positioning and guiding holes on the auxiliary ejecting and positioning plate are matched with the ejector rods to orient the ejector rods to ensure the orderly and accurate seedling taking operation.

[0033] Further, the cam ejector seedling taking mechanism further includes an ejector rod guiding assembly, which is used to convert the circular motion of the cam into the linear reciprocating motion of the ejector rod. The ejector rod guiding assembly includes a linear bearing and a slider linear guide rail. The slider linear guide rail is horizontally installed on the main gearbox. The ejector rod slider is slidably arranged on the slider linear guide rail. The linear bearing is fixedly installed on the auxiliary gearbox.

[0034] Wherein, one end of the ejector rod slider is installed in the cam and is matched with the drive groove. The other end of the ejector rod slider is connected to the transmission rod through a bolt. The transmission rod passes through the linear bearing to keep the ejector rod moving in a stable straight line.

[0035] Further, the crank hook claw component includes a hook claw, a transmission crank, a transmission connecting rod, a hook claw slider assembly, and a vertical guide rail.

[0036] One end of the transmission crank is rotatably installed on the auxiliary gearbox and is drivingly connected to the transmission assembly through a first bevel gear set. The other end of the transmission crank is connected to the transmission connecting rod. The transmission connecting rod is connected to a transmission shaft neck arranged on the hook claw slider assembly.

[0037] The vertical guide rail is fixedly installed on the side wall of the secondary gear box, and the hook slider assembly is slidably arranged on the vertical guide rail; the hook is hinged on the transmission shaft neck, and a torsion spring for resetting the hook is arranged on the transmission shaft neck. Wherein, one end of the torsion spring is connected to the hook torsion spring hole on the hook, and the other end of the torsion spring is connected to the transmission link torsion spring hole on the transmission link; the intermittent downward conveying of the pot seedling tray is driven by the reciprocating up and down movement of the hook.

[0038] Wherein, one side edge of the pressing plate claw abuts against the transmission shaft neck, so that while the hook slider assembly reciprocates up and down, the pressing plate claw can intermittently press and release the pot seedling tray, thereby realizing the intermittent and orderly conveying of the pot seedling tray.

[0039] Furthermore, the main gear box is located on one side close to the high-speed riding power machine. The main gear box includes a main gear box support plate, symmetrically installed main gear box bottom plates, main gear box side plates, linear bearing mounting plates and transmission shaft mounting plates.

[0040] The main gear box is bolted to the frame bottom plate through the main gear box bottom plate.

[0041] The main gear box support plate is symmetrically provided with transmission rod openings, and the transmission rod is arranged in the transmission rod openings to ensure unobstructed operation of the transmission rod.

[0042] The main gear box support plate is provided with multiple groups of transmission shaft through holes Ⅰ for installing the transmission assembly.

[0043] The linear bearing mounting plate is arranged on the main gear box support plate, the linear bearing is installed on the side of the linear bearing mounting plate, and the first group of seedling box support sheet metals Ⅱ is installed at the upper end of the linear bearing mounting plate.

[0044] The main gear box side plates are arranged at the rear of both sides of the main gear box support plate, and the slider linear guide rail is installed on the inner side surface of the main gear box side plates.

[0045] The main gear box side plates are provided with multiple groups of transmission shaft through holes Ⅱ for installing the transmission assembly.

[0046] The transmission shaft mounting plate is arranged at the rear of the upper end of the main gear box support plate, and the transmission shaft mounting plate is provided with multiple groups of transmission shaft through holes Ⅲ for installing the transmission assembly.

[0047] There are two secondary gear boxes, and the two secondary gear boxes are symmetrically installed on the frame bottom plate and are located on the side of the main gear box away from the high-speed riding power machine.

[0048] The auxiliary gearbox includes an auxiliary gearbox positioning and mounting plate, auxiliary gearbox side plates, auxiliary gearbox support plates, an auxiliary gearbox cover plate and an auxiliary gearbox bottom plate. The auxiliary gearbox bottom plate is fixedly connected to the frame bottom plate. The auxiliary gearbox positioning and mounting plate, auxiliary gearbox side plates, auxiliary gearbox support plates and the auxiliary gearbox cover plate are fixed by welding to form a semi-closed box body, which is fixedly installed on the auxiliary gearbox bottom plate.

[0049] The linear bearing and the vertical guide rail are installed on the auxiliary gearbox positioning and mounting plate. The auxiliary gearbox positioning and mounting plate is provided with a crank positioning hole for installing the transmission crank. The auxiliary gearbox support plate is provided with a through hole Ⅳ for the transmission shaft of the transmission component to pass through.

[0050] Further, the transmission component includes a power input shaft, a power distribution shaft, a side transmission shaft, an input shaft gear, a driven gear, a camshaft transmission gear and a second bevel gear set.

[0051] The input shaft gear is installed on the power input shaft, the driven gear is installed on the side transmission shaft, and the camshaft transmission gear is installed on the cam drive shaft. The first bevel gear set is installed at one end of the side transmission shaft and is connected to the transmission crank. The second bevel gear set is installed at the other end of the side transmission shaft and is connected to the power distribution shaft. Among them, power is introduced through the power input shaft. The input shaft gear meshes with the camshaft transmission gear to transmit power to the cam drive shaft, driving the cam ejector seedling taking mechanism to complete the seedling taking operation. The input shaft gear meshes with the driven gear to transmit power to the power distribution shaft. The power distribution shaft transmits power to the side transmission shaft through the second bevel gear set. The side transmission shaft transmits power to the transmission crank through the first bevel gear set to drive the crank hook claw component to complete the seedling tray conveying operation.

[0052] A rice transplanter, which is an ejecting and belt-feeding type orderly rice transplanter, includes the bowl-seedling cam ejecting type orderly seedling taking device described in any one of the above.

[0053] Beneficial effects:

[0054] 1. The present invention provides a bowl-seedling cam ejecting type orderly seedling taking device with a low seedling damage rate and stable operation. The seedling tray containing bowl seedlings runs intermittently to the seedling taking position in the seedling tray input unit in an orderly manner. The bowl seedlings are ejected from the seedling tray by the cam ejector seedling taking mechanism to complete the seedling taking operation. The empty seedling tray enters the seedling tray output unit under the drive of the crank hook claw component and finally leaves the bowl-seedling cam ejecting type orderly seedling taking device.

[0055] 2. By adjusting the working parameters of the cam ejector rod and the crank hook, the present invention can adapt to different crop pot seedlings and achieve low-damage and orderly seedling picking operations. The picked pot seedlings can be planted in the farmland orderly, providing good conditions for the subsequent growth of crops and achieving the purposes of high quality, high yield, cost reduction and efficiency increase.

[0056] 3. The pot seedling cam ejecting type orderly seedling picking device disclosed in the present invention can realize the mechanical seedling picking operation for different crop pot seedlings, effectively reduce the labor cost, and the pot seedling cam ejecting type orderly seedling picking device of the present invention has a simple structure, is easy to operate and has reliable working performance. Brief Description of the Drawings

[0057] Figure 1 is a schematic structural diagram of a pot seedling cam ejecting type orderly seedling picking device provided by the present invention;

[0058] Figure 2 is a schematic structural diagram of the pot seedling conveying mechanism;

[0059] Figure 3 is a schematic structural diagram of the cam ejector rod seedling picking mechanism:

[0060] Figure 4 is a schematic structural diagram of the main gear box:

[0061] Figure 5 is a schematic structural diagram of the auxiliary gear box:

[0062] Figure 6 is a schematic structural diagram of the transmission component:

[0063] Figure 7 is a schematic structural diagram of the whole rice transplanter with the pot seedling cam ejecting type orderly seedling picking device provided by the present invention;

[0064] Among them, 1. Seedling bowl conveying mechanism; 2. Cam push rod seedling picking mechanism; 3. Transmission component; 4. Main gearbox; 5. Auxiliary gearbox; 6. Frame bottom plate; 7. Seedling tray input unit; 8. Seedling tray output unit; 9. Seedling tray conveying auxiliary bracket; 10. Crank hook component; 11. Cam component; 12. Push rod component; 13. Cam; 14. Cam drive shaft; 15. Transmission rod; 16. Push rod fixing plate; 17. Push rod; 18. Push rod guiding component; 19. Linear bearing; 20. Push rod slider; 21. Slider linear guide rail; 22. Hook; 22.1. Hook torsion spring hole; 23. Transmission crank; 24. Transmission connecting rod; 24.1. Transmission connecting rod torsion spring hole; 25. Hook slider component; 25.1. Transmission shaft neck; 26. Vertical guide rail; 27. First bevel gear set; 28. Torsion spring; 29. Seedling box component; 30. Seedling box support component; 31. Lower arc plate of seedling box; 32. Upper arc plate of seedling box; 32.1. Positioning card slot; 33. Seedling tray guiding pressing plate; 33.1. Positioning bayonet; 34. Seedling box positioning cross beam; 35. Seedling box support sheet metal I; 36. Seedling box support sheet metal II; 37. Frame connecting column; 38. Output support plate; 39. Installation bottom plate; 40. Seedling tray output roller; 41. Side plate of output frame; 42. Connecting sheet metal; 43. Side plate of support; 44. Bottom plate of support; 45. Seedling separating partition; 46. Auxiliary ejecting positioning plate; 46.1. Positioning guiding hole; 47. Seedling tray guiding plate; 48. Guiding plate installation part; 49. Pressing plate claw; 50. Pressing plate claw installation shaft; 51. Main gearbox support plate; 51.1. Opening for transmission rod; 51.2. Transmission shaft through hole I; 52. Bottom plate of main gearbox; 53. Side plate of main gearbox; 53.1. Transmission shaft through hole II; 54. Linear bearing installation plate; 55. Transmission shaft installation plate; 55.1. Transmission shaft through hole III; 56. Auxiliary gearbox positioning installation plate; 56.1. Crank positioning hole; 57. Side plate of auxiliary gearbox; 58. Auxiliary gearbox support plate; 58.1. Transmission shaft through hole IV; 59. Cover plate of auxiliary gearbox; 60. Bottom plate of auxiliary gearbox; 61. Power input shaft; 62. Power distribution shaft; 63. Side transmission shaft; 64. Input shaft gear; 65. Driven gear; 66. Camshaft transmission gear; 67. Second bevel gear set; 68. High-speed riding power machine; 69. Orderly throwing seedling device; 70. Bowl-shaped seedling cam ejecting type orderly seedling picking device; 71. Lifting device; 72. Hitch device; 73. Installation frame; 74. Transmission device. Detailed implementation mode

[0065] Embodiment 1

[0066] Refer to Figures 1 to 6 , a bowl-shaped seedling cam ejecting type orderly seedling picking device, comprising:

[0067] Frame bottom plate 6;

[0068] The main gearbox 4 and the auxiliary gearbox 5 installed on the rack bottom plate 6;

[0069] The transmission assembly 3, and the transmission assembly 3 is installed on the main gearbox 4 and the auxiliary gearbox 5;

[0070] The pot seedling conveying mechanism 1, and the pot seedling conveying mechanism 1 is installed on the main gearbox 4 and the rack bottom plate 6;

[0071] The cam ejector seedling picking mechanism 2, and the cam ejector seedling picking mechanism 2 is installed on the main gearbox 4 and the auxiliary gearbox 5;

[0072] Among them, the pot seedling conveying mechanism 1 inputs the seedling tray containing pot seedlings to the working position of the cam ejector seedling picking mechanism 2. The cam ejector seedling picking mechanism 2 performs the operation of ejecting and picking the pot seedlings in the seedling tray. Then, the pot seedling conveying mechanism 1 drives the empty seedling tray after the ejecting and picking operation to leave;

[0073] The main gearbox 4 is drivingly connected to the cam ejector seedling picking mechanism 2 through the transmission assembly 3 to drive the cam ejector seedling picking mechanism 2 to perform the operation of ejecting and picking the pot seedlings in the seedling tray;

[0074] The auxiliary gearbox 5 is drivingly connected to the pot seedling conveying mechanism 1 through the transmission assembly 3 to drive the pot seedling conveying mechanism 1 to intermittently convey the pot seedling tray to the cam ejector seedling picking mechanism 2 and drive the empty seedling tray after the ejecting and picking operation to leave the pot seedling conveying mechanism 1.

[0075] In this embodiment, the pot seedling conveying mechanism 1 includes a seedling tray input unit 7, a seedling tray output unit 8, a seedling tray conveying auxiliary bracket 9, and a crank hook claw component 10. The seedling tray input unit 7, the seedling tray output unit 8, and the seedling tray conveying auxiliary bracket 9 are all fixedly installed on the rack bottom plate 6. The seedling tray input unit 7 conveys the seedling tray containing pot seedlings to the cam ejector seedling picking mechanism 2. There are 2 groups of crank hook claw components 10, and the 2 groups of crank hook claw components 10 are symmetrically arranged on the auxiliary gearbox 5. The crank hook claw component 10 drives the seedling tray to run downward intermittently in the seedling tray input unit 7. The seedling tray conveying auxiliary bracket 9 is located between the seedling tray input unit 7 and the seedling tray output unit 8. The seedling tray conveying auxiliary bracket 9 orderly separates each row of pot seedlings to prevent seedling mixing and disorder, and assists in conveying the pot seedling tray to the seedling tray output unit 8. The seedling tray output unit 8 drives the empty seedling tray after the cam ejector seedling picking mechanism 2 performs the ejecting and picking operation to leave the pot seedling conveying mechanism 1.

[0076] In this embodiment, the seedling tray input unit 7 includes a seedling box assembly 29 and a seedling box support assembly 30,

[0077] The seedling box assembly 29 includes a seedling box lower arc plate 31, a seedling tray guide pressing plate 33, and a plurality of seedling box upper arc plates 32. The plurality of seedling box upper arc plates 32 are arranged at intervals, and are fixedly connected to each other by bolts and fixedly connected to the seedling box lower arc plate 31 by bolts;

[0078] The seedling tray guiding pressing plate 33 is provided with a positioning bayonet 33.1. On both sides of the upper arc plate 32 of the seedling box, there are positioning clamping grooves 32.1 with strip-shaped holes. The positioning bayonet 33.1 is docked and installed with the positioning clamping groove 32.1 to change the gap between the upper arc plate 32 of the seedling box and the seedling tray guiding pressing plate 33 by adjusting the positions of the positioning bayonet 33.1 and the positioning clamping groove 32.1 to adapt to different pot seedling trays;

[0079] The seedling box support assembly 30 includes a seedling box positioning cross beam 34, a seedling box support sheet metal I 35 and a seedling box support sheet metal II 36. The seedling box positioning cross beam 34 is located at the lower end of the lower arc plate 31 of the seedling box and is fixedly connected to the lower arc plate 31 of the seedling box; the seedling box support sheet metal I 35 is hingedly connected to the seedling box positioning cross beam 34. The seedling box support sheet metal I 35 is located at the upper end of the seedling box support sheet metal II 36 and is fixedly connected to the seedling box support sheet metal II 36;

[0080] There are two groups of the seedling box support sheet metal II 36. The first group of the seedling box support sheet metal II 36 is fixedly installed on the main gear box 4, and the second group of the seedling box support sheet metal II 36 is fixedly installed on the frame bottom plate 6 through the frame connecting column 37;

[0081] The seedling tray output unit 8 includes an output support plate 38, a mounting bottom plate 39, seedling tray output rollers 40, output frame side plates 41 and connecting sheet metals 42. The mounting bottom plate 39 is fixedly connected to the frame bottom plate 6 through bolts,

[0082] There are two output frame side plates 41, and they are fixedly installed on the mounting bottom plate 39 in parallel at intervals; the output support plate 38 is located between the two output frame side plates 41 and is fixedly installed on the mounting bottom plate 39;

[0083] There are multiple connecting sheet metals 42, and the multiple connecting sheet metals 42 are arranged at intervals and are hinged to the two output frame side plates 41; there are multiple seedling tray output rollers 40, and the multiple seedling tray output rollers 40 are arranged at intervals and are installed between the two output frame side plates 41 to enable the pot seedling trays to smoothly leave the pot seedling conveying mechanism 1.

[0084] In this embodiment, the seedling tray conveying auxiliary bracket 9 includes a bracket side plate 43, a bracket bottom plate 44, a seedling separating partition 45, an auxiliary ejecting positioning plate 46, a seedling tray guiding plate 47, a guiding plate mounting part 48, a pressing plate claw 49 and a pressing plate claw mounting shaft 50. The bracket side plate 43 is fixedly connected to the bracket bottom plate 44, and the bracket bottom plate 44 is fixedly connected to the frame bottom plate 6 through bolts; there are multiple seedling separating partitions 45, and they are arranged in parallel at intervals on the bracket bottom plate 44. The multiple seedling separating partitions 45 can orderly separate the pot seedlings in each row to prevent the seedlings from mixing and disordering;

[0085] One end of the seedling tray guide plate 47 is fixed to the auxiliary ejection positioning plate 46 through the guide plate mounting member 48, and the other end of the seedling tray guide plate 47 is fixedly installed with the connecting sheet metal 42; the auxiliary ejection positioning plate 46 is fixedly installed at the upper end of the bracket side plate 43;

[0086] The seedling separating partition plate 45 and the seedling tray guide plate 47 can assist in transporting the plug seedling tray to the seedling tray output unit 8;

[0087] A plurality of positioning and guiding holes 46.1 are provided on the auxiliary ejection positioning plate 46, and the plurality of positioning and guiding holes 46.1 cooperate with the cam ejector rod seedling taking mechanism 2 to orient the cam ejector rod seedling taking mechanism 2 and ensure the orderly and accurate seedling taking operation;

[0088] The press plate claw mounting shaft 50 is installed on the bracket side plate 43, and the press plate claw 49 is rotatably installed on the press plate claw mounting shaft 50.

[0089] In this embodiment, the cam ejector rod seedling taking mechanism 2 includes a cam assembly 11 and an ejector rod assembly 12. The cam assembly 11 includes a cam 13 and a cam drive shaft 14. There are 2 cams 13, and the 2 cams 13 are symmetrically arranged at both ends of the cam drive shaft 14; a drive groove is provided on the cam 13;

[0090] The cam drive shaft 14 is installed in the main gear box 4; the transmission assembly 3 drives the cam drive shaft 14 to rotate and drives the cam 13 to rotate;

[0091] The ejector rod assembly 12 includes a transmission rod 15, an ejector rod fixing plate 16 and a plurality of ejector rods 17. There are 2 transmission rods 15, and the first ends of the 2 transmission rods 15 are respectively fixed on both sides of the ejector rod fixing plate 16. The plurality of ejector rods 17 are arranged at intervals along the length direction of the ejector rod fixing plate 16. The second end of the transmission rod 15 is fixedly connected to the ejector rod slider 20. The ejector rod slider 20 cooperates with the drive groove to drive the transmission rod 15 to drive the ejector rod fixing plate 16 to perform a horizontal reciprocating ejection movement, and the ejector rod fixing plate 16 drives the plurality of ejector rods 17 to perform the ejection and seedling taking operation on the plug seedlings;

[0092] The plurality of positioning and guiding holes 46.1 on the auxiliary ejection positioning plate 46 cooperate with the ejector rod 17 to orient the ejector rod 17 to ensure the orderly and accurate seedling taking operation.

[0093] In this embodiment, the cam ejector rod seedling taking mechanism 2 further includes an ejector rod guiding assembly 18. The ejector rod guiding assembly 18 is used to convert the circular motion of the cam 13 into the linear reciprocating motion of the ejector rod 17; the ejector rod guiding assembly 18 includes a linear bearing 19 and a slider linear guide rail 21. The slider linear guide rail 21 is horizontally installed on the main gear box 4, and the ejector rod slider 20 is slidably arranged on the slider linear guide rail 21; the linear bearing 19 is fixedly installed on the auxiliary gear box 5;

[0094] One end of the ejector slider 20 is installed inside the cam 13 and is engaged with the driving groove; the other end of the ejector slider 20 is connected to the transmission rod 15 by bolts; the transmission rod 15 passes through the linear bearing 19 to keep the ejector rod 17 moving in a stable straight line.

[0095] In this embodiment, the crank hook component 10 includes a hook 22, a transmission crank 23, a transmission connecting rod 24, a hook slider assembly 25 and a vertical guide rail 26;

[0096] One end of the transmission crank 23 is rotatably installed on the secondary gearbox 5 and is drivingly connected to the transmission assembly 3 through a first bevel gear set 27. The other end of the transmission crank 23 is connected to the transmission connecting rod 24, and the transmission connecting rod 24 is connected to a transmission shaft neck 25.1 provided on the hook slider assembly 25;

[0097] The vertical guide rail 26 is fixedly installed on the side wall of the secondary gearbox 5. The hook slider assembly 25 is slidably arranged up and down on the vertical guide rail 26; the hook 22 is hinged to the transmission shaft neck 25.1, and a torsion spring 28 for resetting the hook 22 is provided on the transmission shaft neck 25.1. One end of the torsion spring 28 is connected to a hook torsion spring hole 22.1 on the hook 22, and the other end of the torsion spring 28 is connected to a transmission connecting rod torsion spring hole 24.1 on the transmission connecting rod 24; the intermittent downward feeding of the pot seedling tray is driven by the up and down reciprocating movement of the hook 22;

[0098] One side of the pressing plate claw 49 abuts against the transmission shaft neck 25.1, so that while the hook slider assembly 25 reciprocates up and down, the pressing plate claw 49 can intermittently press and release the pot seedling tray, thereby realizing the intermittent and orderly feeding of the pot seedling tray.

[0099] In this embodiment, the main gearbox 4 is located on the side close to the high-speed riding power machine. The main gearbox 4 includes a main gearbox support plate 51, symmetrically installed main gearbox bottom plates 52, main gearbox side plates 53, a linear bearing mounting plate 54 and a transmission shaft mounting plate 55,

[0100] The main gearbox 4 is bolted to the frame bottom plate 6 through the main gearbox bottom plate 52;

[0101] Transmission rod openings 51.1 are symmetrically provided on the main gearbox support plate 51, and the transmission rod 15 is arranged in the transmission rod openings 51.1 to ensure unobstructed operation of the transmission rod 15;

[0102] Multiple groups of transmission shaft through holes Ⅰ51.2 for installing the transmission assembly 3 are provided on the main gearbox support plate 51;

[0103] The linear bearing mounting plate 54 is arranged on the main gearbox support plate 51. The linear bearing 19 is installed on the side of the linear bearing mounting plate 54, and the first group of seedling box support sheet metals Ⅱ36 is installed at the upper end of the linear bearing mounting plate 54;

[0104] The main gearbox side plates 53 are arranged at the rear sides of both sides of the main gearbox support plate 51, and the slide linear guide rails 21 are installed on the inner sides of the main gearbox side plates 53;

[0105] Multiple groups of transmission shaft through holes II 53.1 for installing the transmission components are arranged on the main gearbox side plates 53;

[0106] The transmission shaft mounting plate 55 is arranged at the rear of the upper end of the main gearbox support plate 51, and multiple groups of transmission shaft through holes III 55.1 for installing the transmission components are arranged on the transmission shaft mounting plate 55;

[0107] There are two auxiliary gearboxes 5, and the two auxiliary gearboxes 5 are symmetrically installed on the frame bottom plate 6 and are located on the side of the main gearbox 4 away from the high-speed riding power machine;

[0108] The auxiliary gearbox 5 includes an auxiliary gearbox positioning mounting plate 56, an auxiliary gearbox side plate 57, an auxiliary gearbox support plate 58, an auxiliary gearbox cover plate 59 and an auxiliary gearbox bottom plate 60. The auxiliary gearbox bottom plate 60 is fixedly connected to the frame bottom plate 6; the auxiliary gearbox positioning mounting plate 56, the auxiliary gearbox side plate 57, the auxiliary gearbox support plate 58 and the auxiliary gearbox cover plate 59 are fixedly formed into a semi-closed box body by welding and are fixedly installed on the auxiliary gearbox bottom plate 60;

[0109] The linear bearing 19 and the vertical guide rail 26 are installed on the auxiliary gearbox positioning mounting plate 56, and a crank positioning hole 56.1 for installing the transmission crank 23 is arranged on the auxiliary gearbox positioning mounting plate 56; a transmission shaft through hole IV 58.1 for installing the transmission components is arranged on the auxiliary gearbox support plate 58.

[0110] In this embodiment, the transmission components include a power input shaft 61, a power distribution shaft 62, a side transmission shaft 63, an input shaft gear 64, a driven gear 65, a camshaft transmission gear 66 and a second bevel gear set 67;

[0111] The input shaft gear 64 is installed on the power input shaft 61, the driven gear 65 is installed on the side transmission shaft 63, and the camshaft drive gear 66 is installed on the cam drive shaft 14; the first bevel gear set 27 is installed at one end of the side transmission shaft 63 and connected to the transmission crank 23; the second bevel gear set 67 is installed at the other end of the side transmission shaft 63 and connected to the power distribution shaft 62; wherein, the power is introduced through the power input shaft 61, the input shaft gear 64 meshes with the camshaft drive gear 66 to transmit the power to the cam drive shaft 14, driving the cam ejector seedling taking mechanism 2 to complete the seedling taking operation; the input shaft gear 64 meshes with the driven gear 65 to transmit the power to the power distribution shaft 62, the power distribution shaft 62 transmits the power to the side transmission shaft 63 through the second bevel gear set 67, and the side transmission shaft 63 transmits the power to the transmission crank 23 through the first bevel gear set 27 to drive the crank claw component 10 to complete the seedling tray conveying operation.

[0112] In this embodiment, the power component for power input is not limited to the driving motor. As long as it can provide power input to the power input shaft 61 to realize the operation of the seedling taking device, such as a hydraulic motor, a chassis PTO, etc.

[0113] The cam ejecting type orderly seedling taking in this embodiment means that the seedling tray filled with pot seedlings runs orderly to the seedling taking position in the seedling tray input assembly, and the seedling taking operation is completed by the cam ejector seedling taking mechanism, and the empty seedling tray leaves the seedling taking device under the drive of the crank claw component.

[0114] By adjusting the working parameters of the cam ejector and the crank claw, it can adapt to different crop pot seedlings and realize the orderly seedling taking operation with low damage. The taken pot seedlings can be orderly planted in the farmland, providing good conditions for the subsequent growth of crops and achieving the purposes of high quality, high yield, cost reduction and efficiency increase.

[0115] Embodiment 2

[0116] This embodiment is a rice transplanter, which is a top - ejecting and belt - conveying type orderly rice transplanter, including the pot seedling cam ejecting type orderly seedling taking device provided in Embodiment 1.

[0117] Including referring to Figure 7 As shown, a top - ejecting and belt - conveying type orderly rice transplanter is provided with the pot seedling cam ejecting type orderly seedling taking device 70 provided in Embodiment 1.

[0118] Among them, the ejecting and conveying type ordered rice transplanter includes a high-speed riding power machine 68, an ordered rice transplanting device 69, a lifting device 71, a hitch device 72, an installation frame 73 and a transmission device 74; the high-speed riding power machine 68 is hinged to the front end of the lifting device 71, the rear end of the lifting device 71 is hinged to the front end of the hitch device 72, the rear end of the hitch device 72 is hinged and installed in the middle of the installation frame 73, the ordered rice transplanting device 69 is fixedly installed above the installation frame 73, and the cam ejecting type ordered seedling taking device 70 for bowl seedlings is installed above the ordered rice transplanting device 69; the power input end of the transmission device 74 is connected to the power output shaft installed at the rear end of the high-speed riding power machine 68, and the power output end of the transmission device 74 is connected to the ordered rice transplanting device 69 and the cam ejecting type ordered seedling taking device 70 for bowl seedlings, and the ordered taking of bowl seedlings and the fixed-point rice transplanting operation are realized through the compound transmission of gears and sprockets.

[0119] As described above, it is only a preferred embodiment of the present invention, and does not impose any limitation on the technical scope of the present invention. Therefore, any minor modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the scope of the technical solution of the present invention.

Claims

1. An orderly seedling-taking device for pot seedlings with cam ejection, characterized in that, Comprising: Frame bottom plate; Main gearbox and auxiliary gearbox installed on the frame bottom plate; Transmission assembly, the transmission assembly is installed on the main gearbox and the auxiliary gearbox; Pot-seedling conveying mechanism, the pot-seedling conveying mechanism is installed on the main gearbox and the frame bottom plate; Cam ejector seedling-taking mechanism, the cam ejector seedling-taking mechanism is installed on the main gearbox and the auxiliary gearbox; Wherein, the pot-seedling conveying mechanism inputs the seedling tray containing pot-seedlings to the working position of the cam ejector seedling-taking mechanism, the cam ejector seedling-taking mechanism performs the operation of ejecting and taking seedlings on the pot-seedlings in the seedling tray, and then, the pot-seedling conveying mechanism drives the empty seedling tray after the ejecting and taking seedling operation to leave; The main gearbox is drivingly connected to the cam ejector seedling-taking mechanism through the transmission assembly to drive the cam ejector seedling-taking mechanism to perform the operation of ejecting and taking seedlings on the pot-seedlings in the seedling tray; The auxiliary gearbox is drivingly connected to the pot-seedling conveying mechanism through the transmission assembly to drive the pot-seedling conveying mechanism to intermittently convey the pot-seedling tray to the cam ejector seedling-taking mechanism and drive the empty seedling tray after the ejecting and taking seedling operation to leave the pot-seedling conveying mechanism; The pot-seedling conveying mechanism includes a seedling tray input unit, a seedling tray output unit, a seedling tray conveying auxiliary bracket and a crank hook component; the seedling tray input unit, the seedling tray output unit and the seedling tray conveying auxiliary bracket are all fixedly installed on the frame bottom plate, and the seedling tray input unit conveys the seedling tray containing pot-seedlings to the cam ejector seedling-taking mechanism; there are 2 groups of the crank hook components, and the 2 groups of the crank hook components are symmetrically arranged on the auxiliary gearbox, and the crank hook components drive the seedling tray to run downward intermittently in the seedling tray input unit; the seedling tray conveying auxiliary bracket is located between the seedling tray input unit and the seedling tray output unit, and the seedling tray conveying auxiliary bracket orderly separates each row of pot-seedlings to prevent seedling mixing and disorder, and assists in conveying the pot-seedling tray to the seedling tray output unit; the seedling tray output unit drives the empty seedling tray after the cam ejector seedling-taking mechanism performs the ejecting and taking seedling operation to leave the pot-seedling conveying mechanism; The seedling tray input unit includes a seedling box assembly and a seedling box support assembly, The seedling box assembly includes a seedling box lower arc plate, a seedling tray guiding pressing plate and a plurality of seedling box upper arc plates, the plurality of seedling box upper arc plates are arranged at intervals, and are fixedly connected to each other by bolts and fixedly connected to the seedling box lower arc plate by bolts; The seedling tray guiding pressing plate is provided with a positioning bayonet, and both sides of the seedling box upper arc plate are provided with positioning slots with strip-shaped holes, and the positioning bayonet is docked and installed with the positioning slots to change the gap between the seedling box upper arc plate and the seedling tray guiding pressing plate by adjusting the positions of the positioning bayonet and the positioning slots to adapt to different pot-seedling trays; The seedling box support assembly includes a seedling box positioning cross beam, a seedling box support sheet metal I, and a seedling box support sheet metal II. The seedling box positioning cross beam is located at the lower end of the lower arc plate of the seedling box and is fixedly connected to the lower arc plate of the seedling box. The seedling box support sheet metal I is hingedly connected to the seedling box positioning cross beam. The seedling box support sheet metal I is located at the upper end of the seedling box support sheet metal II and is fixedly connected to the seedling box support sheet metal II. There are two groups of the seedling box support sheet metal II. The first group of the seedling box support sheet metal II is fixedly installed on the main gear box. The second group of the seedling box support sheet metal II is fixedly installed on the frame bottom plate through a frame connecting column. The seedling tray output unit includes an output support plate, a mounting bottom plate, seedling tray output rollers, output frame side plates, and connecting sheet metals. The mounting bottom plate is fixedly connected to the frame bottom plate by bolts. There are two output frame side plates, which are fixedly installed on the mounting bottom plate in parallel at intervals. The output support plate is located between the two output frame side plates and is fixedly installed on the mounting bottom plate. There are multiple connecting sheet metals, which are arranged at intervals and are hingedly connected to the two output frame side plates. There are multiple seedling tray output rollers, which are arranged at intervals and are installed between the two output frame side plates to enable the plug seedling tray to smoothly leave the plug seedling conveying mechanism.

2. The cam-ejected ordered seedling-taking device for pot seedlings according to claim 1, wherein, The seedling tray conveying auxiliary support includes a support side plate, a support bottom plate, seedling separating partitions, an auxiliary ejecting positioning plate, a seedling tray guiding plate, a guiding plate mounting member, a pressing plate claw, and a pressing plate claw mounting shaft. The support side plate is fixedly connected to the support bottom plate. The support bottom plate is fixedly connected to the frame bottom plate by bolts. There are multiple seedling separating partitions, which are arranged in parallel at intervals on the support bottom plate. The multiple seedling separating partitions can orderly separate the plug seedlings in each row to prevent seedling mixing and disorder. One end of the seedling tray guiding plate is fixedly installed on the auxiliary ejecting positioning plate through the guiding plate mounting member. The other end of the seedling tray guiding plate is fixedly installed with the connecting sheet metal. The auxiliary ejecting positioning plate is fixedly installed at the upper end of the support side plate. The seedling separating partitions and the seedling tray guiding plate can assist in conveying the plug seedling tray to the seedling tray output unit. Multiple positioning guiding holes are provided on the auxiliary ejecting positioning plate. The multiple positioning guiding holes cooperate with the cam ejecting rod seedling taking mechanism to orient the cam ejecting rod seedling taking mechanism and ensure the orderly and accurate seedling taking operation. The pressing plate claw mounting shaft is installed on the support side plate. The pressing plate claw is rotatably installed on the pressing plate claw mounting shaft.

3. The ordered seedling picking device with cam ejection for pot seedlings according to claim 2, characterized in that, The cam ejecting rod seedling taking mechanism includes a cam assembly and an ejecting rod assembly. The cam assembly includes a cam and a cam driving shaft. There are 2 cams, and the 2 cams are symmetrically arranged at both ends of the cam driving shaft. A driving groove is provided on the cam. The cam driving shaft is installed in the main gear box. The transmission assembly drives the cam driving shaft to rotate and drives the cam to rotate. The ejector rod assembly includes a transmission rod, an ejector rod fixing plate, and a plurality of ejector rods. There are 2 transmission rods. The first ends of the 2 transmission rods are respectively fixed on both sides of the ejector rod fixing plate. The plurality of ejector rods are arranged on the ejector rod fixing plate at intervals along the length direction of the ejector rod fixing plate. The second end of the transmission rod is fixedly connected to an ejector rod slider. The ejector rod slider is engaged with the driving groove to drive the transmission rod to drive the ejector rod fixing plate to perform a horizontal reciprocating ejecting motion, and the ejector rod fixing plate drives the plurality of ejector rods to perform an ejecting and seedling-taking operation on the pot seedlings; The plurality of positioning and guiding holes on the auxiliary ejecting and positioning plate are engaged with the ejector rods to orient the ejector rods to ensure the orderly and accurate seedling-taking operation.

4. The ordered seedling-taking device with cam ejection for bowl seedlings according to claim 3, characterized in that, The cam ejector rod seedling-taking mechanism further includes an ejector rod guiding assembly, which is used to convert the circular motion of the cam into the linear reciprocating motion of the ejector rod; the ejector rod guiding assembly includes a linear bearing and a slider linear guide rail. The slider linear guide rail is horizontally installed on the main gear box. The ejector rod slider is slidably arranged on the slider linear guide rail; the linear bearing is fixedly installed on the sub-gear box; Wherein, one end of the ejector rod slider is installed in the cam and is engaged with the driving groove; the other end of the ejector rod slider is connected to the transmission rod by a bolt; the transmission rod passes through the linear bearing to keep the ejector rod moving in a stable straight line.

5. The ordered seedling picking device with cam ejection for bowl seedlings according to claim 4, characterized in that, The crank hook claw component includes a hook claw, a transmission crank, a transmission connecting rod, a hook claw slider assembly, and a vertical guide rail; One end of the transmission crank is rotatably installed on the sub-gear box and is drivingly connected to the transmission component through a first bevel gear set. The other end of the transmission crank is connected to the transmission connecting rod. The transmission connecting rod is connected to a transmission shaft neck arranged on the hook claw slider assembly; The vertical guide rail is fixedly installed on the side wall of the sub-gear box. The hook claw slider assembly is slidably arranged on the vertical guide rail; the hook claw is hinged on the transmission shaft neck. A torsion spring for resetting the hook claw is arranged on the transmission shaft neck. Wherein, one end of the torsion spring is connected to a hook claw torsion spring hole on the hook claw, and the other end of the torsion spring is connected to a transmission connecting rod torsion spring hole on the transmission connecting rod; the intermittent downward conveying of the pot seedling tray is driven by the up and down reciprocating motion of the hook claw; Wherein, one side edge of the pressing plate claw abuts against the transmission shaft neck, so that while the hook claw slider assembly reciprocates up and down, the pressing plate claw can intermittently press and release the pot seedling tray, thereby realizing the intermittent and orderly conveying of the pot seedling tray.

6. The bowl-seedling cam push-out type orderly seedling-taking device according to claim 5, wherein, The main gear box is located on one side close to the high-speed riding power machine. The main gear box includes a main gear box support plate, symmetrically installed main gear box bottom plates, main gear box side plates, a linear bearing installation plate, and a transmission shaft installation plate. The main gear box is bolted to the frame bottom plate through the main gear box bottom plates; The main gear box support plate is symmetrically provided with transmission rod openings, and the transmission rods are arranged in the transmission rod openings to ensure unobstructed operation of the transmission rods; Multiple groups of transmission shaft through holes Ⅰ for installing the transmission assembly are provided on the main gearbox support plate; The linear bearing mounting plate is arranged on the main gearbox support plate. The linear bearing is mounted on the side surface of the linear bearing mounting plate, and the first group of seedling box support sheet metals Ⅱ is mounted on the upper end of the linear bearing mounting plate; The main gearbox side plates are arranged at the rear sides of both sides of the main gearbox support plate, and the slider linear guide rails are mounted on the inner side surfaces of the main gearbox side plates; Multiple groups of transmission shaft through holes Ⅱ for installing the transmission assembly are provided on the main gearbox side plates; The transmission shaft mounting plate is arranged at the rear of the upper end of the main gearbox support plate, and multiple groups of transmission shaft through holes Ⅲ for installing the transmission assembly are provided on the transmission shaft mounting plate; There are two auxiliary gearboxes, and the two auxiliary gearboxes are symmetrically mounted on the frame bottom plate and are located on the side of the main gearbox away from the high-speed riding power machine; The auxiliary gearbox includes an auxiliary gearbox positioning mounting plate, auxiliary gearbox side plates, an auxiliary gearbox support plate, an auxiliary gearbox cover plate and an auxiliary gearbox bottom plate. The auxiliary gearbox bottom plate is fixedly connected to the frame bottom plate; the auxiliary gearbox positioning mounting plate, auxiliary gearbox side plates, auxiliary gearbox support plate and auxiliary gearbox cover plate are fixedly formed into a semi-closed box body by welding and are fixedly mounted on the auxiliary gearbox bottom plate; The linear bearing and the vertical guide rail are mounted on the auxiliary gearbox positioning mounting plate, and a crank positioning hole for mounting the transmission crank is provided on the auxiliary gearbox positioning mounting plate; a transmission shaft through hole Ⅳ for installing the transmission assembly is provided on the auxiliary gearbox support plate; 7. The bowl-seedling cam ejecting type ordered seedling picking device according to claim 6, characterized in that The transmission assembly includes a power input shaft, a power distribution shaft, a side transmission shaft, an input shaft gear, a driven gear, a camshaft transmission gear and a second bevel gear set; The input shaft gear is mounted on the power input shaft, the driven gear is mounted on the power distribution shaft, and the camshaft transmission gear is mounted on the cam drive shaft; the first bevel gear set is mounted at one end of the side transmission shaft and is connected to the transmission crank; the second bevel gear set is mounted at the other end of the side transmission shaft and is connected to the power distribution shaft; wherein, power is introduced through the power input shaft, the input shaft gear meshes with the camshaft transmission gear to transmit the power to the cam drive shaft to drive the cam ejector seedling taking mechanism to complete the seedling taking operation; the input shaft gear meshes with the driven gear to transmit the power to the power distribution shaft, the power distribution shaft transmits the power to the side transmission shaft through the second bevel gear set, and the side transmission shaft transmits the power to the transmission crank through the first bevel gear set to drive the crank hook claw component to complete the seedling tray conveying operation.

8. A rice transplanter, the rice transplanter being a top ejection and belt feeding type orderly rice transplanter, characterized in that, It includes the bowl-shaped seedling cam ejecting type orderly seedling taking device according to any one of claims 1 to 7.

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