Precise corn seeding device

Abstract

The invention discloses a corn precision seeding device, and relates to the technical field of corn precision seeding, the corn precision seeding device comprises a device main body and a plurality of driving wheels, the device main body is fixedly provided with seeding equipment in linear uniform distribution, and the device main body is provided with a material conveying assembly for screening corn seeds; an adjusting assembly is jointly arranged between the seeding devices and used for optimizing the seeding precision, and a seeding guiding assembly is jointly arranged between the seeding devices. The corn seed sowing device has the advantages that before corn seeds are sown, the corn seeds are screened, so that the sowing precision of a follow-up device on the corn seeds can be improved, meanwhile, the opening size of the spoon clamp and the gap between the elastic blocking plate and the corresponding fixed spoon can be adaptively adjusted according to the size and the number of the corn seeds to be sown, and the sowing precision of the corn seeds is improved. Therefore, the seeding guiding precision of the plugging column, the fixed spoon and the elastic plugging plate which are matched with one another on corn seeds can be further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of corn precision seeding, in particular to a corn precision seeding device. Background Art

[0002] To improve the sowing efficiency and accuracy of corn seeds, as well as the subsequent corn yield, mechanical corn seeding devices are commonly used to guide corn seeds, such as spoon-type, spoon-clip-type, and finger-clip-type seeding devices. Among them, the spoon-clip-type seeding device is widely used because it can flexibly adjust the number of guided seeding grains according to the sowing requirements of a single hole. However, most existing seeders lack screening of corn kernels before sowing. Since corn kernels are affected by factors such as the production process and the manufacturer, they are prone to different sizes. If they are not screened before sowing, the subsequent sowing accuracy of the corn kernels will be easily reduced. In addition, the sizes of the spoon clamps and elastic clips on the existing spoon clamp type seeders are mostly fixed. When the spoon clamps and the elastic clips cooperate to clamp larger corn kernels, part of the seed kernels are easily exposed outside the spoon clamps and the elastic clips. At this time, when the spoon clamps rotate to transmit the corn kernels, if the centrifugal force generated is greater than the combined weight of the seed kernels and the clamping force of the elastic clips, the seed kernels are easily thrown out, resulting in missed sowing. We propose a corn precision seeding device to solve the above problems. Summary of the Invention

[0003] The purpose of the present invention is to solve the problems raised in the background technology and to propose a corn precision seeding device.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A precision corn seeding device comprises a device body and a plurality of drive wheels. The device body is fixedly mounted with linearly evenly distributed seeding devices. The device body is provided with a feeding assembly for screening corn seeds. The seeding devices are commonly provided with an adjustment assembly for optimizing seeding accuracy. The seeding devices are commonly provided with a seeding guide assembly. The adjustment assembly includes a threaded rod that is sealed and penetrates and is rotatably installed on the sowing device, a sliding member is threadedly installed on each of the threaded rods, a fixed cylinder is fixedly installed on each of the sliding members, and a push component is commonly installed between the fixed cylinders; The broadcast director assembly includes placement grooves that are evenly arranged in an annular shape on the driving wheel, circular plates are fixedly installed on the placement grooves, support frames are fixedly installed on the circular plates, fixed spoons are fixedly installed on the support frames, and push rods are sealed and penetrated between the circular plates and the corresponding fixed spoons and are slidably installed. A blocking column is fixedly installed on one end of the push rod, and multiple elastic blocking plates are installed between the support frames through a driving mechanism.

[0005] Compared with the existing technology, the advantages of the present invention are: 1: Before sowing corn kernels, the present invention can realize screening processing of corn kernels through the cooperation of the feeding component with the screening port 1 and the screening port 2, which helps to improve the accuracy of the subsequent transmission of corn kernels by the fixed spoon and the blocking block 73, that is, it helps to improve the accuracy of the device in guiding corn kernels. At the same time, through the driving component, the screening port 1 and the screening port 2 can be adaptively adjusted according to the overall particle size of the corn kernels to be sown, which can help to expand the scope of application of the device.

[0006] 2: Before sowing corn seeds, the present invention can adaptively adjust the gap between the blocking column and the corresponding fixed spoon, that is, the opening size of the fixed spoon, according to the size of the corn seeds to be sown through the cooperation of the drive component and the adjustment component. This can help improve the cooperation between the fixed spoon and the corresponding blocking column, and the subsequent stability and effect of the corn seed transmission. At the same time, after the fixed spoon adaptively adjusts its opening size according to the size of the seeds to be sown, the opening size of the fixed spoon can be further adaptively adjusted according to the number of corn seeds sown in a single hole through the pushing component, which can help further improve the scope of application of the device.

[0007] 3: Before sowing corn, the present invention can adaptively adjust the gap between the elastic sealing plate and the corresponding fixed spoon according to the size of the corn grains to be sown through the scaling component, thereby effectively ensuring the subsequent covering effect of the elastic sealing plate on the corn grains carried on the corresponding fixed spoon, that is, ensuring the stability and effect of the elastic sealing plate, the corresponding fixed spoon and the blocking column in cooperating to transmit the corn grains, which helps to further ensure the sowing accuracy of the corn grains by the device. At the same time, through the cooperation of the driving component and the scraper, the effect of automatically cleaning the inner wall of the fixed spoon can be achieved, which can not only effectively improve the cleanliness of the fixed spoon itself after continuous use, but also improve the accuracy of the fixed spoon in continuously guiding the corn grains to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic structural diagram of a corn precision seeding device proposed by the present invention; Figure 2 for Figure 1 Schematic diagram of the structure of the seeding equipment; Figure 3 for Figure 2 Schematic diagram of the structure of the middle feeding component; Figure 4 for Figure 3 A schematic side view of the device after the main body is removed; Figure 5 for Figure 4 A three-dimensional schematic diagram of the components on the middle feed pipe; Figure 6for Figure 3 A cross-sectional view of the middle feed pipe after it is rotated to a certain angle; Figure 7 for Figure 4 Schematic diagram of the structure of the middle drive component; Figure 8 for Figure 7 A front view schematic diagram of Figure 9 for Figure 8 Schematic diagram of the three-dimensional structure; Figure 10 for Figure 3 Schematic diagram of the structure of the seeding equipment after rotating a certain angle; Figure 11 for Figure 10 Schematic diagram of the structure of the middle power transmission component; Figure 12 for Figure 11 Schematic diagram of the structure of the internal components of the seeding equipment; Figure 13 for Figure 12 Schematic diagram of the structure after removing the sowing equipment; Figure 14 for Figure 13 A front view schematic diagram of Figure 15 for Figure 14 Schematic diagram of the structure of the central director component; Figure 16 for Figure 15 Schematic diagram of the structure of the fixed spoon; Figure 17 for Figure 15 Schematic diagram of the structure after the middle fixed spoon and the elastic blocking member are rotated to a certain angle; Figure 18 for Figure 15 Schematic diagram of the structure of the zoom component; Figure 19 for Figure 15 Schematic diagram of the structure after the middle circular plate is cut away; Figure 20 for Figure 19 Schematic diagram of the structure after rotation at a certain angle; Figure 21 for Figure 12 Schematic diagram of the structure after the middle drive wheel rotates a certain angle.

[0009] In the figure: 1. Device body; 2. Seeding equipment; 3. Feeding assembly; 31. Feeding box; 32. Feeding pipe; 33. Feeding spiral roller; 34. Screening port 1; 35. Screening port 2; 4. Drive assembly; 41. Micro motor 1; 42. Rotating shaft; 43. Rotating gear; 44. First rack; 45. Drive plate; 46. Adjustment plate; 47. Incomplete gear 1; 48. Rack rack; 5. Adjustment assembly; 51. Threaded rod 1; 52. Incomplete gear 2; 53. Sliding member; 54. Fixed cylinder; 55. Micro motor 2; 56. Threaded rod 2; 57. Conical block 1; 58. Conical block 2; 6. Driving wheel; 7. Broadcasting assembly; 71. Circular plate; 72. Push rod; 73. Blocking column; 74. Support frame; 75. Fixed spoon; 76. Cylinder; 77. Telescopic rod; 78. Elastic blocking plate; 79. Scraper; 710. Threaded cylinder; 711. Slide plate; 712. Positioning plate; 713. Connector; 714. Rack rod; 715. Push rod; 716. Second rack; 717. Circular rod; 8. Inclined board. DETAILED DESCRIPTION

[0010] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0011] Reference Figures 1-21 A corn precision seeding device includes a device body 1 and multiple driving wheels 6. The device body 1 is fixedly mounted with linearly evenly distributed seeding devices 2. The device body 1 is provided with a feeding component 3 for screening corn seeds. An adjustment component 5 is commonly provided between the seeding devices 2 for optimizing seeding accuracy. A seeding guide component 7 is commonly provided between the seeding devices 2.

[0012] Most of the existing corn kernel seeding devices do not screen the corn kernels before sowing. Due to the influence of factors such as the corn kernel production and processing procedures, the corn kernels in the same batch are likely to have different sizes. If the existing seeding device is used to guide the sowing of unscreened corn kernels, it is easy for the corn kernels to be missed, re-sown or the spoon clamp to deform due to the mismatch between the opening size of the corn kernels and the spoon clamp on the seeding device, thereby reducing the sowing accuracy of the device for corn kernels. For example, if the corn kernels are smaller than the opening size of the spoon clamp on the seeding device, the spoon clamp will easily cause the corn kernels to fall from the spoon clamp when rotating to transmit the corn kernels, resulting in missed sowing.

[0013] In addition, in the process of guiding corn kernels, the existing spoon-clamp type seed metering device usually uses elastic clamps to clamp the corn kernels after the spoon clamp picks up the corn kernels in order to improve the stability of the corn kernels conveyed by the spoon clamp. However, in the process of clamping the corn kernels, the elastic clamps are prone to damage the corn kernels due to their excessive clamping force. Moreover, since the elastic clamps and the spoon clamps are of fixed sizes, when the corn kernels guided by the spoon clamps are large, the position of the corn kernels is exposed on the outside of the corresponding elastic clamps and the spoon clamps. At this time, when the centrifugal force generated by the seed metering device driving the spoon clamp to rotate is greater than the sum of the corn kernels' own gravity and the clamping force generated by the elastic clamps, the kernels are easily thrown out, resulting in missed seeding.

[0014] Reference Figure 1-Figure 7 The feeding assembly 3 includes a feeding box 31 that is evenly fixedly installed on the device body 1 in a linear shape. The device body 1 is fixedly installed with feeding pipes 32 that are evenly distributed in a linear shape. The feeding pipes 32 are fixedly connected to the corresponding feeding boxes 31, and one end of the feeding pipes 32 is sealed and passed through and fixedly installed on the corresponding sowing equipment 2. Feeding spiral rollers 33 are rotatably installed on the inner walls of the feeding pipes 32. The feeding pipes 32 are provided with screening ports 34 that are evenly distributed in an arc shape. There are two screening ports 35 evenly distributed in an arc shape, the feeding pipe 32 is fixedly connected to a receiving box, the feeding pipe 32 is fixedly connected to a receiving cylinder, a double-axis motor is fixedly installed on the sowing equipment 2, a rotating shaft is fixedly installed on one end of the double-axis motor, and the rotating shaft is fixedly connected to the corresponding driving wheel 6, a transmission rod is fixedly installed on the other end of the double-axis motor, a rotating wheel is fixedly installed on the transmission rod and the feeding spiral roller 33, and a conveyor belt is sleeved between the two rotating wheels.

[0015] like Figure 5 As shown, the sieve material diameter of the sieve material opening 1 34 is smaller than that of the sieve material opening 2 35 (as shown in FIG. Figure 6 In the direction shown, the screening material diameter specifically refers to the width of the screening material opening 1 34 from left to right). The purpose is to ensure that during the subsequent transmission of corn kernels by the feeding component 3, the screening material opening 1 34 and the screening material opening 2 35 cooperate to screen the corn kernels.

[0016] When the device is used to sow corn kernels, the corn kernels to be sown are first put into the multiple feeding boxes 31. The corn kernels entering the feeding boxes 31 flow under the action of their own gravity and gather on the right side of the feeding pipe 32 (such as Figure 5As shown in the direction, the dual-axis motor is then started. During the operation of the dual-axis motor, the transmission rod cooperates with the corresponding conveyor belt to drive the corresponding feeding spiral roller 33 to rotate, thereby continuously transferring the corn kernels accumulated on the right side of the corresponding feeding pipe 32 to the left side. When the corn kernels are continuously stirred and transferred to the left side, the corresponding screening port 1 34 is used to screen out the smaller-sized corn kernels, and the screened corn kernels will be collected in the corresponding receiving box under the action of their own gravity. At the same time, the corresponding screening port 2 35 is used to screen the moderate-sized corn kernels into the receiving pipe on the corresponding sowing device 2, and collect them along the receiving pipe on the right side of the sowing device 2 (as shown in the direction shown in the direction). Figure 3 direction shown); As the feeding spiral roller 33 rotates continuously, the larger corn kernels collected in the feeding pipe 32 are transported to the leftmost end of the feeding pipe 32 (e.g. Figure 4 In the direction shown), at this time, the corn kernels of this type will fall into the receiving barrel under the action of their own gravity, thereby realizing automatic screening of the corn kernels, which helps to improve the accuracy and effect of the subsequent directing of the corn kernels by the directing component 7.

[0017] Reference Figure 3-Figure 9 , a driving assembly 4 is commonly provided between the sowing equipment 2, and the driving assembly 4 includes two adjusting plates 46 that are respectively sealed and penetrated and slidably installed on the feeding pipe 32, and a protective cover that is evenly distributed in a linear shape is fixedly installed on the device body 1, and a micro motor 41 is fixedly installed in the protective cover, and a rotating shaft 42 is fixedly installed on the driving end of the micro motor 41, and a rotating gear 43 is rotatably installed on the rotating shaft 42, and two first racks 44 are sealed and slidably installed in the protective cover (a groove that matches the corresponding first rack 44 is provided in the protective cover, and the first racks 44 are slidably installed on the corresponding groove, and the groove can not only realize the position limitation of the corresponding first rack 44, but also improve its stability when subjected to force and displacement), and the first racks 44 on one side are meshed with the corresponding rotating gear 43, and a connecting rod is fixedly installed between the corresponding two first racks 44; The device body 1 is fixedly mounted with linearly evenly distributed round rollers, each of which is rotatably mounted with two drive discs 45, and each of the drive discs 45 is fixedly connected to a corresponding adjustment plate 46. An incomplete gear 47 meshing with a corresponding first rack 44 is fixedly mounted on the drive disc 45, and a force transmission component is installed between the rotating shafts 42.

[0018] Combine Figure 6 and Figure 7It can be seen that a plurality of strip openings are provided on the adjustment plate 46, and the width of the strip openings is the same as the screening aperture of the corresponding screening opening 1 34 and the screening opening 2 35. At the same time, when the strip openings on the adjustment plate 46 are directly opposite to the corresponding screening opening 1 34 and the screening opening 2 35, this is the maximum value of the corn kernels that can be sown by the sowing equipment 2.

[0019] If the overall size of the corn kernels to be sown is small, the micro motor 1 41 is started. At this time, the micro motor 1 41 is running, and the drive shaft 42 and the rotating gear 43 rotate clockwise (as shown in FIG. Figure 8 In the direction shown), the two corresponding first racks 44 can be driven to move downward synchronously by cooperating with the corresponding connecting rods. During the process of the two corresponding first racks 44 moving downward synchronously, the two corresponding driving disks 45 and the two adjustment plates 46 can be driven to rotate relative to each other by cooperating with the corresponding incomplete gear 1 47, that is, the left driving disk 45 drives the corresponding adjustment plate 46 to rotate counterclockwise under force, and the right driving disk 45 drives the corresponding adjustment plate 46 to rotate clockwise under force.

[0020] When the two adjustment plates 46 are forced to rotate relatively close to each other (such as Figure 6 In the direction shown), the corresponding screening port 1 34 and the screening port 2 35 can be gradually blocked, so that the screening port 1 34 and the screening port 2 35 can be adaptively adjusted according to the overall size of the corn grains to be sown, and the effect of screening the size of the corn grains can be achieved, which helps to improve the wide range of use of the device. At the same time, if the size of the corn grains to be sown increases subsequently, the screening port 1 34 and the screening port 2 35 can be adaptively increased by reversing the cooperation between the micro motor 1 41 and the feeding component 3.

[0021] Reference Figure 10-Figure 21 The broadcasting guide assembly 7 includes placement grooves (not marked in the figure) uniformly arranged on the driving wheel 6 in an annular shape. Figure 21 As can be seen in the figure), circular plates 71 are fixedly installed on the placement grooves, support frames 74 are fixedly installed on the circular plates 71, fixed spoons 75 are fixedly installed on the support frames 74, and push rods 72 are sealed and slidably installed between the circular plates 71 and the corresponding fixed spoons 75. A blocking column 73 is fixedly installed on one end of the push rod 72, and multiple elastic blocking plates 78 are installed between the support frames 74 through a driving mechanism.

[0022] In the initial state, the discharge openings on the left side of the sowing device 2 are all in a blocked state (e.g. Figure 12In the direction shown), when the dual-axis motor is running, it cooperates with the conveyor belt through the transmission rod to drive the corresponding feeding spiral roller 33 to rotate, and continuously transports corn grains into the corresponding sowing device 2. The dual-axis motor can drive the corresponding driving wheel 6 to rotate together through the corresponding rotating shaft. At this time, the driving wheel 6 drives the corresponding multiple fixed spoons 75 to rotate, and the grains will be continuously transmitted to the left side of the sowing device 2. At this time, because the discharge ports on the sowing device 2 are all in a blocked state, it can effectively ensure that the corn grains will not be broadcast at this stage.

[0023] At the same time, a baffle is provided between the discharge port on the sowing device 2 and the corresponding material receiving pipe (and the baffle will not hinder the rotational displacement of the corresponding fixed spoon 75 and the elastic sealing plate 78), and a circular hole is provided on the baffle. The purpose is that when corn grains fall above the discharge port in the initial state, the corn grains can roll to the right side of the baffle along the curved surface of the sowing device 2 and the circular holes provided on the corresponding baffle, that is, they are gathered on the right side of the sowing device 2, so as to facilitate their subsequent centralized sowing. At the same time, the corn grains to be sown gathered on the right side of the baffle will not be able to move to the left side of the sowing device 2, that is, above the discharge port, due to the curved surface design of the bottom of the sowing device 2.

[0024] Reference Figures 9-14 The adjusting assembly 5 includes a threaded rod 51 that is sealed and penetrates and rotatably installed on the sowing equipment 2. The threaded rod 51 is threadedly installed with a sliding member 53. The sliding member 53 is fixedly installed with a fixed cylinder 54. A pushing component is installed between the fixed cylinders 54.

[0025] The pushing components include micro motors 2 55 respectively fixedly mounted on the side walls of the fixed cylinder 54, threaded rods 2 56 are fixedly mounted on the driving ends of the micro motors 2 55, nuts are threadedly mounted on the threaded rods 2 56, conical blocks 1 57 are fixedly mounted on the nuts, conical blocks 1 57 are fixedly mounted on the conical blocks 2 58, conical blocks 2 58 are provided with bevels evenly distributed in a ring shape, and the bevels are matched with the corresponding pushing rods 72, limiting rods are fixedly mounted on the inner walls of the fixed cylinder 54, and conical blocks 1 57 are penetrated and slidably mounted on the corresponding limiting rods (the limiting rods can help improve the stability of the corresponding conical blocks 1 57 and conical blocks 2 58 when subjected to force and displacement).

[0026] The force transmission component includes a rack 48 rotatably mounted on the rotating shaft 42 (from Figure 11As can be seen in the figure, arc grooves are provided on the seeding equipment 2, rod bodies are fixedly installed on the rack racks 48, and one end of the rod bodies is slidably installed on the corresponding arc grooves. When the rotating shaft 42 is subjected to force to drive the corresponding rack rack 48 to rotate, the cooperation between the corresponding arc grooves and the rod bodies can help improve the stability of the rotational displacement of the rack rack 48). An incomplete gear 2 52 meshing with the corresponding rack rack 48 is fixedly installed on the threaded rod 1 51.

[0027] like Figure 12 As shown, the gap between the blocking column 73 and the corresponding fixed spoon 75 is the opening size of the fixed spoon 75. When the gap between the lower end of the blocking column 73 and the lower end of the fixed spoon 75 increases (as shown in FIG. Figure 13 As shown in the direction, the opening size of the fixed spoon 75 increases, and conversely, when the gap decreases, the opening size of the fixed spoon 75 decreases. The opening size of the fixed spoon 75 can determine the size and number of corn kernels that the fixed spoon 75 can spread at a single time.

[0028] If the device is used to guide the seeding of corn kernels of smaller size, and the rotating shaft 42 cooperates with the driving assembly 4 to adapt the sieve opening 1 34 and the sieve opening 2 35 to the sieve opening 35, the rotating shaft 42 will drive the corresponding rack 48 to rotate together, and the rack 48 is forced to rotate clockwise with the corresponding rotating shaft 42 as the axis (such as Figure 11 In the direction described above), the driving force applied by the rack 48 to the corresponding incomplete gear 2 52 can drive the corresponding threaded rod 1 51 to rotate. At this time, during the rotation of the threaded rod 1 51, the corresponding sliding member 53 can drive the corresponding fixed cylinder 54, micro motor 2 55, threaded rod 2 56, nut, and conical block 1 57 and conical block 2 58 to move to the right together (as shown in FIG. Figure 14 direction shown).

[0029] When the fixed cylinder 54 drives the corresponding conical block 57 to move to the right side, the conical block 57 exerts a downward driving force on the top balls of the corresponding multiple push rods 72 through its inclined surface, which can drive the multiple push rods 72 to drive the corresponding blocking columns 73 to move downward (such as Figure 14 In the direction shown), the gap between the blocking column 73 and the corresponding fixed spoon 75 can be adaptively reduced, that is, it helps to adapt the opening size of the fixed spoon 75 when the overall size of the corn grains to be sown is small, which can help to improve the subsequent cooperation between the fixed spoon 75 and the corresponding blocking column 73, and the stability and effect of corn grain transmission.

[0030] Reference Figure 8-Figure 21The driving mechanism includes cylinders 76 rotatably mounted on the support frames 74, and telescopic rods 77 uniformly distributed in an arc shape are fixedly mounted on the cylinders 76, and one end of the telescopic rods 77 is fixedly connected to the corresponding elastic sealing plates 78. A scaling component is commonly installed between the elastic sealing plates 78, and a driving component is commonly installed between the cylinders 76.

[0031] The scaling components include threaded cylinders 710 rotatably mounted on the support frames 74, the threaded cylinders 710 are threadedly mounted with slides 711, the slides 711 are rotatably mounted with positioning plates 712, arc-shaped evenly distributed connecting pieces 713 are installed between the positioning plates 712 and the corresponding elastic sealing plates 78, the fixed cylinders 54 are fixedly mounted with ring rods 714 evenly distributed, and the rack rods 714 are sealed and slidably mounted on the corresponding driving wheels 6, and the threaded cylinders 710 are fixedly mounted with parallel axis gears meshing with the corresponding rack rods 714.

[0032] When the fixed cylinder 54 is forced to move to the right and cooperates with the pushing component to adaptively reduce the opening size of the fixed spoon 75, the fixed cylinder 54 can drive the corresponding multiple rack rods 714 to move to the right together (such as Figure 13 As shown in the direction, when the rack rod 714 is forced to move to the right, the driving force applied to the corresponding parallel axis gear can drive the corresponding threaded cylinder 710 to rotate. At this time, the rotation of the threaded cylinder 710 can drive the corresponding positioning plate 712 to move upward (as shown in the direction ... Figure 18 As shown in the direction, the positioning plate 712 moves upward to apply an upward pulling force to the corresponding multiple connecting members 713, which can make the corresponding elastic sealing plate 78 gradually approach the corresponding cylinder 76 by compressing the corresponding multiple telescopic rods 77, so that the gap between the elastic sealing plate 78 and the corresponding fixed spoon 75 is continuously reduced. This can ensure that the subsequent elastic sealing plate 78 is rotated under force and has a covering effect on the corn kernels carried inside the corresponding fixed spoon 75. At the same time, it helps to improve the stability of the elastic sealing plate 78, the corresponding fixed spoon 75 and the blocking column 73 in cooperating with each other to transmit the corn kernels, and help to further ensure the sowing accuracy of the device for the corn kernels.

[0033] At the same time, if the size of the corn kernels to be sown is large, the micro motor 1 41 is reversed to cooperate with the rotating shaft 42, the feeding assembly 3, and the driving assembly 4 to adaptively increase the screening diameter of the corresponding screening opening 1 34 and the screening opening 2 35, and the opening size of the fixed spoon 75 is adaptively increased. At this time, the multiple rack rods 714 are forced to move in the opposite direction (i.e., move to the right, such as Figure 13In the direction shown), the corresponding parallel shaft gears, threaded cylinder 710, slide plate 711, positioning plate 712, and multiple connecting parts 713 cooperate to drive the corresponding elastic blocking plate 78 to stretch the corresponding multiple telescopic rods 77, gradually expanding outward, thereby adaptively increasing the gap between the elastic blocking plate 78 and the corresponding fixed spoon 75, ensuring that when the subsequent elastic blocking plate 78 is subsequently rotated under force, it can completely wrap the corn kernels carried by the corresponding fixed spoon 75, which can effectively prevent the subsequent fixed spoon 75 from falling from the corresponding fixed spoon 75 when rotating to transmit larger-sized corn kernels, resulting in missed sowing, which helps to further improve the accuracy of the device in guiding corn kernels.

[0034] At the same time, if the user needs to adopt the "one hole, multiple seeds" sowing method in order to improve the subsequent emergence rate of corn seedlings and risk resistance, the user can adaptively adjust the opening size of the fixed spoon 75 and the gap between the elastic blocking plate 78 and the corresponding fixed spoon 75 according to the size of the corn seed to be sown, and then start the micro motor 2 55. At this time, the operation of the micro motor 2 55 can drive the corresponding conical block 1 57 and the conical block 2 58 to continuously move to the left (such as Figure 14 In the direction shown), during this process, the inclined surface of the conical block 2 58 applies an upward driving force to the upper end balls of the corresponding multiple push rods 72, which can drive the corresponding push rods 72 to drive the corresponding blocking columns 73 to move continuously upward, thereby achieving the effect of adaptively increasing the opening size of the fixed spoon 75 according to the number of corn seeds sown in a single hole, which helps to further improve the scope of application and ease of use of the device.

[0035] Reference Figure 12-Figure 21 , the driving components include three incomplete racks respectively fixed on the cylinder 76, and limited grooves are provided on the circular plates 71. The driving wheels 6 are sealed and slidably installed with push rods 715 that are evenly distributed in an annular shape. The push rods 715 are penetrated and fixedly installed with second racks 716, and the second racks 716 are slidably installed on the corresponding limiting grooves. Two inclined plates 8 are fixedly installed on the sowing equipment 2, and round rods 717 are penetrated and rotatably installed on the circular plates 71. One end of the round rod 717 is fixedly installed with a spur gear 1 that meshes with the corresponding second rack 716, and the other end of the round rod 717 is fixedly installed with a spur gear 2 that meshes with the corresponding incomplete gear three-phase (one end and the other end here can be parameterized). Figure 20 , Figure 20The position of the slide plate 711 in the figure is one end, and the position of the round rod 717 in the figure is the other end). The elastic sealing plate 78 is fixedly mounted with a scraper 79, and the scraper 79 is in contact with the inner wall of the corresponding fixed spoon 75 (the connection portion between the scraper 79 and the corresponding elastic sealing plate 78 is made of elastic material. The purpose is that when the elastic sealing plate 78 is forced to move closer to or away from the corresponding fixed spoon 75, the connection portion between the scraper 79 and the corresponding fixed spoon 75 can be stretched and compressed to ensure that at this stage, the scraper 79 always fits with the inner wall of the corresponding fixed spoon 75).

[0036] After the opening size of the fixed spoon 75 and the gap between the elastic blocking plate 78 and the corresponding fixed spoon 75 are adjusted according to the size of the corn kernels to be sown and the number of single holes, and when the corn kernels collected inside the sowing device 2 reach a certain number, the discharge port on the sowing device 2 is opened, and the dual-axis motor runs through the rotating shaft to drive the corresponding driving wheel 6 and multiple fixed spoons 75 to rotate counterclockwise (such as Figure 12 As shown in the direction, when the fixed spoon 75 located below is rotated and inserted into the corn kernels gathered at the lower end of the sowing device 2, the corn kernels will fall into the corresponding fixed spoon 75 under the action of their own gravity. Then, as the driving wheel 6 continues to be forced to drive the fixed spoon 75 to rotate counterclockwise, the corn kernels can be pushed to the bottom of the spoon, thereby achieving the effect of the fixed spoon 75 automatically picking up the corn kernels.

[0037] When the fixed spoon 75 carrying the corn kernels is subjected to a force to rotate continuously counterclockwise (eg Figure 21 As shown in the direction, when one end of its corresponding push rod 715 contacts the inclined plate 8 on the right side of the corresponding sowing device 2, the ball on the left side of the push rod 715 can be gradually moved to the right along the slope of the corresponding inclined plate 8 by continuously rotating the driving wheel 6 counterclockwise. Figure 19 As shown in the direction, the push rod 715 is driven by the force to drive the corresponding second rack 716 to gradually move to the right. The driving force applied by the second rack 716 to the corresponding spur gear 1 can drive the corresponding cylinder 76 to drive the corresponding elastic blocking plate 78 to rotate clockwise (as shown in the direction shown in the direction). Figure 20 direction as shown), until the elastic sealing plate 78 completely covers the corn kernels carried by the corresponding fixed spoon 75 (as shown in FIG. Figure 21 As shown in the state), this can help improve the stability of corn seed transmission through the subsequent cooperation of the corresponding fixed spoon 75, the blocking column 73 and the elastic blocking plate 78, and help improve the accuracy of the device in guiding the corn seed.

[0038] At the same time, the fixed spoon 75 and the elastic blocking plate 78 loaded with corn seeds are forced to move to the upper left of the corresponding sowing equipment 2 and continue to rotate counterclockwise (combined with Figure 12 and Figure 21 In the direction shown), at this time, the driving force applied to the ball at the right end of the push rod 715 by the inclined plate 8 located on the upper left of the sowing device 2 can drive the push rod 715 to drive the corresponding second rack 716 to gradually move to the left and reset (as shown in FIG. Figure 19 In the direction shown), at this time, through the cooperation of the second rack 716 and the driving component, the corresponding cylinder 76 can be driven to drive the corresponding elastic sealing plate 78 to gradually rotate and reset. When the elastic sealing plate 78 is forced to rotate and reset, the fixed spoon 75 is forced to continue to rotate so that its opening faces downward. The corn kernels carried by the fixed spoon 75 can fall downward under the action of their own gravity and finally be discharged from the discharge port. The above operation is then repeated to achieve a continuous guiding effect on the corn kernels.

[0039] At the same time, when the elastic sealing plate 78 is rotated by force, the corresponding scraper 79 can be driven to rotate together, and when the scraper 79 is rotated by force, the dust, coating and other impurities adhering to the inner wall of the corresponding fixed spoon 75 can be scraped off, thereby helping to improve the cleanliness of the fixed spoon 75 after continuous use, and reducing the corrosion of impurities on the inner wall of the fixed spoon 75, that is, helping to increase the service life of the fixed spoon 75. At the same time, it can also improve the effect and accuracy of the fixed spoon 75 in continuously sowing corn kernels to a certain extent. For example, in order to reduce the damage of pests and diseases to their subsequent growth process, some corn kernels are usually coated with A layer of agent (i.e., coated seeds, with a thickness of approximately 0.05mm to 0.1mm). When the device directs the sowing of this type of corn kernels, the coating on it is easy to fall off and adhere to the inner wall of the fixed spoon 75, forming a smooth film, which reduces the friction on the surface of the fixed spoon 75, that is, it is easy to increase the risk of the kernels falling out when the fixed spoon 75 rotates to pick up the kernels (such as the normal required friction coefficient should be ≥0.6, which can be reduced to below 0.3 after contamination), resulting in missed sowing. Moreover, as impurities accumulate inside the fixed spoon 75, the stability and accuracy of the transmission of the corn kernels through cooperation with the above-mentioned guiding component 7 will also decrease accordingly.

[0040] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are common means well known to those skilled in the art.

[0041] In the present invention, before using the device to guide the sowing of corn grains, the sieve openings 1 34 and 2 35 are adaptively adjusted according to the overall particle size of the corn grains to be sown through the driving component 4, and then the corn grains are continuously transported to the corresponding sowing equipment 2 through the feeding component 3. In this process, the smaller and larger corn grains in the corn grains can be screened out through the cooperation of the corresponding feeding pipe 32 with the sieve opening 1 34 and the sieve opening 2 35, which can help improve the accuracy and effect of the subsequent fixed spoon 75 and the corresponding blocking column 73 and the elastic blocking plate 78 in guiding the sowing of corn grains.

[0042] At the same time, through the cooperation of the driving component 4 and the adjusting component 5, the gap between the blocking column 73 and the corresponding fixed spoon 75, that is, the opening size of the fixed spoon 75, can be adaptively adjusted according to the size of the corn kernels to be sown, thereby helping to improve the subsequent cooperation between the fixed spoon 75 and the corresponding blocking column 73 to guide the corn seeds. At the same time, at this stage, through the cooperation of the scaling component and the guiding component 7, the gap between the elastic blocking plate 78 and the corresponding fixed spoon 75 can be adaptively adjusted to ensure the subsequent covering effect of the corn kernels carried and transmitted on the corresponding fixed spoon 75 by the elastic blocking plate 78, that is, it helps to improve the stability of the subsequent cooperation between the fixed spoon 75 and the corresponding elastic blocking plate 78 for the transmission of corn kernels, and helps to further ensure the guiding effect of the device on the corn kernels.

[0043] At the same time, by adjusting the component 5, the fixed spoon 75 can adaptively adjust its opening size according to the size of a single corn seed according to the number of seeds sown in a single hole, and then further increase its opening size. In this way, the device can adaptively increase or decrease the number of corn seeds picked up by the fixed spoon 75 at a time according to the number of seeds sown in a single hole, which helps to improve the scope of application of the device.

[0044] When the driving wheel 6 is driven by force to drive multiple fixed spoons 75 to rotate and start to guide the corn kernels, the driving component can drive the elastic sealing plate 78 to intermittently cover the open end of the fixed spoon 75 carrying the corn kernels, which can help further ensure the stability of the corn kernels during the transmission process and the stability of the relative position, and help further ensure the accuracy of the device in guiding the corn kernels.

[0045] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A corn precision seeding device, comprising a device body (1) and a plurality of driving wheels (6), wherein seeding devices (2) uniformly distributed in a linear pattern are fixedly mounted on the device body (1), characterized in that: The device body (1) is provided with a feeding assembly (3) for screening corn seeds, the sowing devices (2) are provided with an adjusting assembly (5) for optimizing sowing accuracy, and the sowing devices (2) are provided with a sowing guide assembly (7); The adjustment assembly (5) comprises a threaded rod (51) which is sealed and penetrates and is rotatably mounted on the sowing device (2), a sliding member (53) is threadedly mounted on each of the threaded rods (51), a fixed cylinder (54) is fixedly mounted on each of the sliding members (53), and a push member is commonly mounted between the fixed cylinders (54); The broadcasting director assembly (7) comprises placement grooves that are evenly arranged in annular shapes on the driving wheel (6), a circular plate (71) is fixedly mounted on each placement groove, a support frame (74) is fixedly mounted on each circular plate (71), a fixed spoon (75) is fixedly mounted on each support frame (74), a push rod (72) is sealed and penetrated between each circular plate (71) and the corresponding fixed spoon (75) and is slidably mounted thereon, a blocking column (73) is fixedly mounted on one end of each push rod (72), and a plurality of elastic blocking plates (78) are mounted between each support frame (74) via a driving mechanism.

2. A corn precision seeding device according to claim 1, characterized in that: The pushing component includes two micro motors (55) respectively fixedly mounted on the side walls of the fixed cylinder (54), a threaded rod (56) is fixedly mounted on the driving end of each of the micro motors (55), a nut is threadedly mounted on each of the threaded rods (56), a conical block (57) is fixedly mounted on each of the nuts, a conical block (58) is fixedly mounted on each of the conical blocks (57), and a bevel is evenly distributed in an annular shape on each of the conical blocks (58), and the bevels are matched with the corresponding pushing rods (72); A limiting rod is fixedly mounted on the inner wall of the fixed cylinder (54), and the conical block (57) passes through and is slidably mounted on the corresponding limiting rod.

3. The corn precision seeding device according to claim 1, characterized in that: The driving mechanism comprises cylinders (76) rotatably mounted on support frames (74), each of which is fixedly mounted with telescopic rods (77) evenly distributed in an arc shape, and one end of each telescopic rod (77) is fixedly connected to a corresponding elastic blocking plate (78), a zoom component is commonly mounted between the elastic blocking plates (78), and a driving component is commonly mounted between the cylinders (76).

4. A corn precision seeding device according to claim 3, characterized in that: The zoom components include threaded cylinders (710) rotatably mounted on support frames (74), slides (711) being threadedly mounted on the threaded cylinders (710), positioning plates (712) being rotatably mounted on the slides (711), and arc-shaped connectors (713) uniformly distributed between the positioning plates (712) and the corresponding elastic blocking plates (78); The fixed cylinders (54) are all fixedly mounted with rack rods (714) evenly distributed in an annular shape, and the rack rods (714) are all sealed and penetrated and slidably mounted on the corresponding driving wheels (6), and the threaded cylinders (710) are all fixedly mounted with parallel axis gears meshing with the corresponding rack rods (714).

5. The corn precision seeding device according to claim 3, characterized in that: The driving component includes three incomplete racks fixedly mounted on the cylinder (76), the circular plate (71) is provided with a limiting groove, the driving wheel (6) is sealed and penetrated and slidably mounted with push rods (715) evenly distributed in an annular shape, the push rods (715) are penetrated and fixedly mounted with second racks (716), and the second racks (716) are slidably mounted on the corresponding limiting grooves, and the sowing device (2) is fixedly mounted with two inclined plates (8); A round rod (717) is passed through and rotatably mounted on each of the circular plates (71), a spur gear (717) meshing with a corresponding second rack (716) is fixedly mounted on one end of each of the circular rods (717), a spur gear (717) meshing with a corresponding incomplete gear in three phases is fixedly mounted on the other end of each of the circular rods (717), and a scraper (79) is fixedly mounted on each of the elastic blocking plates (78).

6. The corn precision seeding device according to claim 1, characterized in that: The feeding assembly (3) includes a feeding box (31) fixedly mounted on the device as a whole (1) in a linear and uniform manner, a feeding pipe (32) distributed linearly and uniformly is fixedly mounted on the device body (1), and the feeding pipes (32) are fixedly connected to the corresponding feeding box (31), and one end of the feeding pipe (32) is sealed and passed through and fixedly mounted on the corresponding sowing equipment (2), a feeding spiral roller (33) is rotatably mounted on the inner wall of the feeding pipe (32), a screening opening (34) distributed in an arc shape and uniformly is opened on the feeding pipe (32), a screening opening (35) distributed in an arc shape and uniformly is opened on the feeding pipe (32), and a receiving box and a receiving cylinder are fixedly connected to the feeding pipe (32); A double-shaft motor is fixedly mounted on each of the seeding devices (2), a rotating shaft is fixedly mounted on one end of each of the double-shaft motors, and the rotating shaft is fixedly connected to a corresponding driving wheel (6), a transmission rod is fixedly mounted on the other end of each of the double-shaft motors, a rotating wheel is fixedly mounted on each of the transmission rods and the feeding spiral roller (33), and a conveyor belt is sleeved and mounted between the two rotating wheels.

7. The corn precision seeding device according to claim 1, characterized in that: The sowing equipment (2) is commonly provided with a driving assembly (4), the driving assembly (4) comprises two adjusting plates (46) respectively sealed and penetrated and slidably mounted on the feeding pipe (32), the device body (1) is fixedly mounted with a protective cover evenly distributed in a linear shape, a micro motor (41) is fixedly mounted in the protective cover, a rotating shaft (42) is fixedly mounted on the driving end of the micro motor (41), a rotating gear (43) is rotatably mounted on the rotating shaft (42), two first racks (44) are sealed and slidably mounted in the protective cover, and the first racks (44) on one side are meshed with the corresponding rotating gear (43), and a connecting rod is fixedly mounted between the two corresponding first racks (44); The device body (1) is fixedly mounted with linearly evenly distributed round rollers, each of which is rotatably mounted with two drive discs (45), each of which is fixedly connected to a corresponding adjustment plate (46), and each of which is fixedly mounted with an incomplete gear (47) meshing with a corresponding first rack (44), and a force transmission component is commonly mounted between the rotating shafts (42).

8. The corn precision seeding device according to claim 7, characterized in that: The force transmission component includes racks (48) rotatably mounted on the rotating shafts (42), and the threaded rods (51) are each fixedly mounted with incomplete gears (52) meshing with the corresponding racks (48).

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