Ditching and sowing device for corn planting

By designing a corn planting device with integrated trench digging, deep digging and sowing functions, the problem of inconvenience in use of existing equipment in specific areas is solved, and low-cost and efficient planting operations are achieved.

CN119404632AInactive Publication Date: 2025-02-11INNER MONGOLIA JINHUAYUAN GARDEN TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510025165.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-02-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing corn planting equipment is in areas that cannot be accessed by large planting vehicles, especially in mountainous areas, highlands and small irregular farming areas. The equipment structure is single and multiple equipment needs to be coordinated, resulting in high costs and high labor intensity.

Method used

A corn planting, trench and seed sowing device is designed, which includes a fixture, seed box, seed wheel, hydraulic cylinder and multiple sets of rotary mounting cylinders. Through the coordinated work of these components, trenching, deep digging and sowing are realized. Function.

Benefits of technology

The device can realize trenching and sowing without switching equipment, reducing the cost of equipment purchase and labor intensity. At the same time, due to the versatility of the device, it can be flexibly used in different planting areas.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119404632A_ABST
    Figure CN119404632A_ABST
Patent Text Reader

Abstract

The invention discloses a corn planting ditching and sowing device which comprises a fixing frame, the fixing frame is in an L shape, a seed box is fixedly installed on one side of the fixing frame, a sowing wheel is installed in the seed box, an output shaft is fixedly installed on the side wall of the sowing wheel, and one end of the output shaft penetrates out of the seed box and is rotationally connected with the seed box; one end of the output shaft is fixedly connected with a connecting disc, one side of the connecting disc is fixedly provided with a check block, and through the multiple sets of first mounting cylinders and second mounting cylinders, the first mounting cylinders and the second mounting cylinders in each set rotate in opposite directions, so that soil can be roughly and uniformly dispersed on the two sides during ditching work; meanwhile, the first moving frame is utilized, automatic adjustment of the ditching width is achieved, actual use requirements are better met, meanwhile, the device has the scattering, deep digging and sowing functions, the acquisition cost of the device can be effectively reduced, multiple work can be completed at a time, and the labor intensity is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the field of agricultural production, and in particular to a corn planting trenching and sowing device. Background Art

[0002] Corn belongs to the Zea mays family of the Poaceae family. Its scientific name is Zea mays, commonly known as corn, corn, corn and corn. With the development of the world's shipping industry, corn has gradually spread to all parts of the world and has become one of the most important food crops.

[0003] Corn is known as a longevity food. It is rich in protein, fat, vitamins, trace elements, fiber and polysaccharides, and has great potential for developing high-nutrition and high-biological functional foods.

[0004] There are many kinds of existing corn planting equipment, but most of them adopt rotary tillage to make the soil soft, and then carry out furrowing and sowing to complete the corn planting. However, in planting areas where large planting vehicles are not easy to enter, such as mountainous areas, highlands, and some planting areas with small and irregular cultivated areas, most of them use small and simple planting equipment to carry out furrowing and sowing.

[0005] However, the existing small-scale planting equipment is mostly single-function in structure, and the planting process requires a variety of small-scale equipment to work together. The cost of purchasing planting equipment is high, and switching between multiple devices increases labor intensity.

[0006] Therefore, a trenching and sowing equipment is needed to achieve the planting purpose with low cost and without switching the equipment to work back and forth. Summary of the invention

[0007] In order to solve the above-mentioned problems, the present invention provides a corn planting trenching and sowing device.

[0008] The present invention is achieved through the following technical solutions: A corn planting trenching and sowing device comprises a fixed frame, the fixed frame is L-shaped, a seed box is fixedly installed on one side of the fixed frame, a seeding wheel is installed in the seed box, an output shaft is fixedly installed on the side wall of the seeding wheel, one end of the output shaft passes through the seed box and is rotatably connected with a connecting disk, one end of the output shaft is fixedly connected with a connecting disk, a stopper is fixedly installed on one side of the connecting disk, a movable groove is provided on the fixed frame, a movable block is slidably connected in the movable groove, a hydraulic cylinder is fixedly installed on the top of the fixed frame, the output end of the hydraulic cylinder is fixedly connected to the side wall of the movable block, and the bottom end of the movable block is fixedly connected to a first movable frame, the first movable frame is L-shaped, a driving motor is fixedly installed on one side wall of the first movable frame, the output end of the driving motor is fixedly connected to a central shaft, a top ring is sleeved on the central shaft, one end of the central shaft is fixedly sleeved with a shaft sleeve, a shift rod is fixedly installed on the outer wall of the shaft sleeve, one side of the shift rod is fitted with the stopper, and the top of the top ring is provided with The top end of the guide wheel is connected with the guide wheel of the first moving frame, and the guide wheel is connected with the guide wheel of the second moving frame by the spring.

[0009] Preferably, a limit plate is fixedly sleeved on the central axis, and a plurality of first mounting tubes and second mounting tubes are sleeved on the central axis, each of the first mounting tube and the second mounting tube form a group, and a second dovetail groove is symmetrically arranged on the outer wall of each first mounting tube, and a second dovetail block is slidably connected in each second dovetail groove, and an arc rod is fixedly connected between the inner walls on both sides of each second dovetail groove, and each arc rod passes through the corresponding second dovetail block, and two first springs are sleeved on each arc rod, and the second dovetail block is arranged between the two first springs, and a cleaning rod is fixedly installed on each second dovetail block, and the cleaning rod is in the shape of a rake, and a toggle plate is symmetrically fixedly installed on the outer wall of each second mounting tube.

[0010] Preferably, a positioning ring is fixedly sleeved on the central axis, a first positioning block is symmetrically fixedly installed on the inner wall of the first mounting tube, a plurality of groups of symmetrically arranged first concave blocks are fixedly installed on the outer wall of the central axis, each first positioning block extends into the corresponding first concave block and is slidably connected thereto, the positioning ring is fitted with the first positioning block on one side, a bolt is threaded on the positioning ring, the bolt passes through the corresponding first mounting tube and is threadedly connected thereto, a second positioning block is symmetrically fixedly installed on the inner wall of the second mounting tube, a plurality of rotatably connected first rotating rings are sleeved on the central axis, A first limiting ring is fitted on both sides of each first rotating ring, and the first limiting ring is fixedly connected to the outer wall of the central shaft. A second concave block is symmetrically fixedly installed on the outer wall of each first rotating ring, and each second positioning block extends into the corresponding second concave block and is fitted and slidably connected therewith. A first conical gear ring is fixedly inserted in each first mounting tube, and a second conical gear ring is inserted in each second mounting tube. A plurality of second rotating rings in rotation are sleeved on the central shaft, and a second limiting ring is fitted on both sides of each second rotating ring, and each second limiting ring is fixedly sleeved The spring tube is connected to the central axis, and the side wall of each second rotating ring is fixedly connected with a spring tube, and a second spring is arranged in the spring tube. The second spring is in a stressed and compressed state. A T-shaped slide bar is slidably connected in the spring tube, and one end of each T-shaped slide bar passes through the spring tube and is slidably connected thereto. One end of each T-shaped slide bar is fixedly connected with a bevel gear, and both sides of each bevel gear are respectively located between the corresponding first bevel gear ring and the second bevel gear ring, and both sides of each bevel gear are respectively meshed with the corresponding first bevel gear ring and the second bevel gear ring, and each T-shaped slide bar is meshed with the spring tube. The spring tube is rotatably connected, and a clamping ring is fitted between each group of the first mounting tube and the second mounting tube. A third dovetail groove is provided on one side of each first mounting tube, and a third dovetail block is slidably connected in each third dovetail groove. The third dovetail block is ring-shaped, and one side of each third dovetail block is fixedly connected to the side wall of the clamping ring. A connecting rod is fixedly connected to the inner wall of each clamping ring, and one end of each connecting rod is fixedly connected to the outer wall of the corresponding second rotating ring. A reinforcement rod is fixedly connected to the top of each clamping ring, and the top of each reinforcement rod is fixedly connected to the inner top surface of the first movable frame.

[0011] Preferably, two L-shaped locking frames are fixedly installed on the top of the seed box, each locking frame is threaded with a locking bolt, the seed box is fixedly connected to the top of the fixed frame through the locking bolts, a feed hopper is installed on the side wall of the seed box, a sealing cover is installed on the top of the feed hopper, and a seed drop tube is fixedly connected to the bottom end of the seed box.

[0012] Compared with the existing technology, the beneficial effects of the present invention are: the device uses multiple groups of first mounting cylinders and second mounting cylinders to make the two in each group rotate in opposite directions, so that during trenching, the soil can be roughly evenly dispersed on both sides, thereby facilitating the normal subsequent secondary soil covering work, and at the same time using the first mobile frame to achieve autonomous adjustment of the trenching width, which is more in line with actual use needs. At the same time, the device has the functions of breaking up, deep digging and sowing, which can effectively reduce the purchase cost of the equipment, and complete multiple tasks at one time, reducing labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a first perspective stereogram of the structure of the present invention; Figure 2 is a second perspective stereogram of the structure of the present invention; Figure 3 is a third perspective stereogram of the structure of the present invention; Figure 4 It is a schematic diagram of the connection between the output shaft and the seeding wheel in the structure of the present invention; Figure 5 It is a schematic diagram of the connection between the first mobile frame and the second mobile frame in the structure of the present invention; Figure 6 It is a side view of the first positioning block and the first concave block in the first mounting tube of the structure of the present invention; Figure 7 It is a side view of the second positioning block and the second concave block in the second mounting tube of the structure of the present invention.

[0014] In the figure: fixed frame 1, seed box 2, output shaft 3, seeding wheel 4, connecting plate 5, block 6, sleeve 7, lever 8, center shaft 9, top ring 10, drive motor 11, first mobile frame 12, jack 13, plug rod 14, first dovetail groove 15, first dovetail block 16, second mobile frame 17, limit rod 18, fixed plate 19, adjusting screw 20, movable groove 21, movable block 22, hydraulic cylinder 23, limit plate 24, first mounting tube 25, second mounting tube 26, second dovetail groove 27, second dovetail block 28, arc rod 29, first Spring 30, cleaning rod 31, toggle plate 32, positioning ring 33, first positioning block 34, first concave block 35, first rotating ring 36, first limiting ring 37, second positioning block 38, second concave block 39, first conical gear ring 40, second conical gear ring 41, retaining ring 42, third dovetail groove 43, third dovetail block 44, bevel gear 45, T-shaped slide bar 46, spring tube 47, second spring 48, second rotating ring 49, second limiting ring 50, connecting rod 51, reinforcement rod 52, guide groove 53, guide slider 54, connecting plate 55. DETAILED DESCRIPTION

[0015] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: like Figures 1 to 7As shown, a corn planting trenching and sowing device comprises a fixed frame 1, which is L-shaped, a seed box 2 is fixedly installed on one side of the fixed frame 1, a seeding wheel 4 is installed in the seed box 2, an output shaft 3 is fixedly installed on the side wall of the seeding wheel 4, one end of the output shaft 3 passes through the seed box 2 and is rotatably connected thereto, one end of the output shaft 3 is fixedly connected to a connecting disk 5, a stopper 6 is fixedly installed on one side of the connecting disk 5, a movable groove 21 is provided on the fixed frame 1, a movable block 22 is slidably connected in the movable groove 21, a hydraulic cylinder 23 is fixedly installed on the top of the fixed frame 1, the output end of the hydraulic cylinder 23 is fixedly connected to the side wall of the movable block 22, the bottom end of the movable block 22 is fixedly connected to a first movable frame 12, the first movable frame 12 is L-shaped, and one side wall of the first movable frame 12 A driving motor 11 is fixedly installed on the top, and the output end of the driving motor 11 is fixedly connected to the central shaft 9. A top ring 10 is sleeved on the central shaft 9. One end of the central shaft 9 is fixedly sleeved with a shaft sleeve 7. A lever 8 is fixedly installed on the outer wall of the shaft sleeve 7. One side of the lever 8 is fitted with the stopper 6. A second moving frame 17 is arranged on the top of the top ring 10. The second moving frame 17 is in an inverted U-shape. A limiting rod 18 is fixedly connected between the inner walls of both sides of the second moving frame 17. A connecting plate 55 is sleeved on the limiting rod 18 for sliding connection. The bottom end of the connecting plate 55 is fixedly connected to the top of the top ring 10. A plurality of plug rods 14 are fixedly connected to one side of the second moving frame 17. A plurality of sockets 13 are arranged on one side of the first moving frame 12. Each plug rod 14 extends into a corresponding socket 1 3 and is slidably connected therewith, a first dovetail groove 15 is provided on the inner top surface of the fixed frame 1, a first dovetail block 16 is slidably connected in the first dovetail groove 15, the bottom end of the first dovetail block 16 is fixedly connected to the top of the second mobile frame 17, two fixed plates 19 are fixedly installed on the inner top surface of the fixed frame 1, each fixed plate 19 is screwed with an adjusting screw 20, one end of each adjusting screw 20 is rotatably connected to the corresponding side wall of the second mobile frame 17, a guide groove 53 is provided on one side wall of the fixed frame 1, a guide slider 54 is slidably connected in the guide groove 53, one side of the guide slider 54 is fixedly connected to the side wall of the first mobile frame 12, after the trenching work starts, a suitable trenching width is selected according to actual use requirements, at this time, after the hydraulic cylinder 23 is started, The hydraulic cylinder 23 drives the movable block 22 to move back and forth, so that the first movable frame 12 also moves back and forth. The setting of the guide groove 23 and the guide slider 54 and the setting of the limit rod 18 and the connecting plate 55 can make the movement stable, so that the central axis 9 is also driven to make a translational movement, so that the device can open a planting furrow of suitable width, and a shaft sleeve 7 is provided, and the shaft sleeve 7 also makes a circular motion with the central axis 9, and the setting of the pull rod 8 can form a limit with the stopper 6, so as to drive the connecting disk 5 to rotate accordingly, thereby driving the output shaft 3 and the seeding wheel 4 to rotate, so as to complete the seed falling work after the furrow is opened, and although the central axis 9 also makes a translational motion while making a circular motion, it does not affect the stable rotation of the connecting disk 5.This ensures that the seeds fall smoothly and straight, thus ensuring the normal progress of the planting work. At the same time, when the device is installed and disassembled, after removing the seed box 2, the corresponding adjustment screw 20 can be rotated to move the second mobile frame 17, thereby facilitating disassembly and installation.

[0016] A limiting disk 24 is fixedly sleeved on the central shaft 9, and a plurality of first mounting tubes 25 and second mounting tubes 26 are sleeved on the central shaft 9, each of the first mounting tubes 25 and the second mounting tubes 26 form a group, and a second dovetail groove 27 is symmetrically arranged on the outer wall of each first mounting tube 25, and a second dovetail block 28 is slidably connected in each second dovetail groove 27, and an arc rod 29 is fixedly connected between the inner walls on both sides of each second dovetail groove 27, and each arc rod 29 passes through the corresponding second dovetail block 28, and two first springs 30 are sleeved on each arc rod 29, and the second dovetail block 28 is arranged between the two first springs 30, and a cleaning rod 31 is fixedly installed on each second dovetail block 28, and the cleaning rod 31 is in the shape of a nail rake, and a toggle plate 32 is symmetrically fixedly installed on the outer wall of each second mounting tube 26, and the limiting disk 24 plays a limiting role, so that the first first mounting tube 25 in the first group can be limited here, and the cleaning rod 31 will break up the agglomerated soil during the rotation process, so that the soil can be effectively The cleaning rod 31 is provided with a first spring 30 and a second spring 31 in the second spring 31. ...1 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod 31 is provided with a first spring 31 and a second spring 31. The cleaning rod

[0017] A positioning ring 33 is fixedly sleeved on the central shaft 9, a first positioning block 34 is symmetrically fixedly installed on the inner wall of the first mounting tube 25, and a plurality of groups of symmetrically arranged first concave blocks 35 are fixedly installed on the outer wall of the central shaft 9, each first positioning block 34 extends into the corresponding first concave block 35 and is slidably connected thereto, the positioning ring 33 is fitted with the first positioning block 34 on one side, a bolt is threaded on the positioning ring 33, the bolt passes through the corresponding first mounting tube 25 and is threadedly connected thereto, a second positioning block 38 is symmetrically fixedly installed on the inner wall of the second mounting tube 26, a plurality of rotatably connected first rotating rings 36 are sleeved on the central shaft 9, and first limiting rings 37 are fitted on both sides of each first rotating ring 36, and the first limiting ring 37 is slidably connected to the outer wall of the central shaft 9 The second concave blocks 39 are symmetrically fixedly installed on the outer wall of each first rotating ring 36, and each second positioning block 38 extends into the corresponding second concave block 39 and is slidably connected thereto. A first conical gear ring 40 is fixedly inserted in each first mounting tube 25, and a second conical gear ring 41 is inserted in each second mounting tube 26. A plurality of rotatably connected second rotating rings 49 are sleeved on the central shaft 9, and a second limiting ring 50 is fitted on both sides of each second rotating ring 49. Each second limiting ring 50 is fixedly sleeved on the central shaft 9. A spring tube 47 is fixedly connected to the side wall of each second rotating ring 49, and a second spring 48 is arranged in the spring tube 47. The second spring 48 is in a compressed state under force. A T-shaped slide bar 46 is slidably connected, one end of each T-shaped slide bar 46 passes through the spring tube 47 and is slidably connected thereto, one end of each T-shaped slide bar 46 is fixedly connected to a bevel gear 45, both sides of each bevel gear 45 are respectively located between the corresponding first bevel gear ring 40 and the second bevel gear ring 41, and both sides of each bevel gear 45 are respectively meshed with the corresponding first bevel gear ring 40 and the second bevel gear ring 41, each T-shaped slide bar 46 is rotatably connected to the spring tube 47, a retaining ring 42 is fitted between each group of first mounting tubes 25 and second mounting tubes 26, a third dovetail groove 43 is provided on one side of each first mounting tube 25, a third dovetail block 44 is slidably connected in each third dovetail groove 43, and the third dovetail block 44 is ring-shaped , one side of each third dovetail block 44 is fixedly connected to the side wall of the clamping ring 42, a connecting rod 51 is fixedly connected to the inner wall of each clamping ring 42, one end of each connecting rod 51 is fixedly connected to the outer wall of the corresponding second rotating ring 49, and the top of each clamping ring 42 is fixedly connected to a reinforcing rod 52, and the top of each reinforcing rod 52 is respectively fixedly connected to the inner top surface of the first movable frame 12. When the central shaft 9 starts to rotate, the first mounting cylinder 25 directly engages with the central shaft 9 through the first positioning block 34 and the first concave block 35, thereby realizing the same direction rotation as the central shaft 9. The first rotating ring 36, the first limiting ring 37, the second positioning block 38 and the second concave block 39 are installed in the second mounting cylinder 26. In this way, after a stable engaging limit is formed,The second mounting cylinder 6 can be rotatably connected to the central shaft 9 under the action of the first rotating ring 36, and a first conical gear ring 40 is installed in the first mounting cylinder 25, and a second conical gear ring 41 is installed in the mounting cylinder 26. In this way, the bevel gear 45 that can rotate between the two is used to make the second mounting cylinder 26 rotate in the opposite direction to the first mounting cylinder 25, so that during the operation of the device, the first mounting cylinder 25 moves the soil clockwise, and the cleaning rod 31 is used to initially move the soil roughly to one side during the process of breaking and crushing, and the second mounting cylinder 26 moves the soil counterclockwise, and then the toggle plate is used to move the remaining soil to the other side. One side, and then successively extended, so that the soil can be roughly evenly moved to both sides, so that the soil on both sides of the planting ditch is kept roughly the same and is moved up, making the overall appearance beautiful and neat, and facilitating the smooth operation of the secondary soil covering work after the subsequent seeds germinate and grow. At the same time, a clamp ring 42 is provided, and the clamp ring 42 is fixed to the outer wall of the second rotating ring 49 through a connecting rod 51, so as to maintain the normal operation of the bevel gear 45 and ensure that the first mounting tube 25 and the second mounting tube 26 can operate stably. At the same time, in order to maintain the stability of the clamp ring 42, a reinforcement rod 52 is provided, so as to ensure the normal operation of the device and simple operation.

[0018] Two L-shaped locking frames are fixedly installed on the top of the seed box 2, and each locking frame is threaded with a locking bolt. The seed box 2 is fixedly connected to the top of the fixed frame 1 through the locking bolts. A feed hopper is installed on the side wall of the seed box 2, and a sealing cover is installed on the top of the feed hopper. The bottom end of the seed box 2 is fixedly connected to a seed drop tube.

[0019] The overall working process is: first install the device on the tractor or other mobile equipment, and then use the hydraulic lifting structure on the tractor or other equipment to enable the device to be lifted and lowered, so as to ensure the normal operation. When working, use the lifting structure on the tractor to lower the device. Before lowering, start the drive motor 11 to make the central shaft 9 start to rotate, thereby driving the multiple groups of cleaning rods 31 and the toggle plates 32 to start rotating. In this way, when starting, use the lifting structure on the tractor to enable the multiple groups of cleaning rods 31 and the toggle plates 32 to move downward during the rotation, thereby penetrating into the ground to form a starting point. At the starting point, the first group of cleaning rods 31 and the toggle plates 32 penetrate the ground at a shallower distance, then the second group of cleaning rods 31 and the toggle plates 32 penetrate the ground at an increased distance, and then the third group is the deepest. As the tractor or other equipment drives the device to move, the device will normally perform the furrowing work, thereby forming a complete and smooth ridge. As the rear sowing wheel 4 works, the seeds fall, thereby completing the sowing work. At the same time, it should be noted that when forming the initial point of the ridge, the seed drop tube should be closed to prevent the seeds from falling at the initial point and forming an accumulation. Before the tractor moves, the seed drop tube can be opened, so that the sowing work can be carried out.

[0020] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A corn planting trenching and sowing device, comprising a fixed frame (1), the fixed frame (1) being L-shaped, a seed box (2) being fixedly mounted on one side of the fixed frame (1), a sowing wheel (4) being mounted inside the seed box (2), an output shaft (3) being fixedly mounted on the side wall of the sowing wheel (4), one end of the output shaft (3) passing through the seed box (2) and being rotatably connected thereto, and one end of the output shaft (3) being fixedly connected to a connecting plate (5), characterized in that: A stopper (6) is fixedly mounted on one side of the connection plate (5); a movable groove (21) is provided on the fixed frame (1); a movable block (22) is slidably connected in the movable groove (21); a hydraulic cylinder (23) is fixedly mounted on the top of the fixed frame (1); an output end of the hydraulic cylinder (23) is fixedly connected to a side wall of the movable block (22); a first movable frame (12) is fixedly connected to the bottom end of the movable block (22); the first movable frame (12) is L-shaped; a driving motor (11) is fixedly mounted on one side wall of the first movable frame (12); The output end of the driving motor (11) is fixedly connected to a central shaft (9), a top ring (10) is sleeved on the central shaft (9), one end of the central shaft (9) is fixedly sleeved to a shaft sleeve (7), a lever (8) is fixedly mounted on the outer wall of the shaft sleeve (7), one side of the lever (8) is arranged in close contact with the stopper (6), a second moving frame (17) is arranged at the top end of the top ring (10), the second moving frame (17) is in an inverted U-shape, and a limiting rod (18) is fixedly connected between the inner walls of both sides of the second moving frame (17), the limiting rod A connecting plate (55) is sleeved on the top of the fixing frame (18) and is slidably connected. The bottom end of the connecting plate (55) is fixedly connected to the top of the top ring (10). A plurality of plug rods (14) are fixedly connected to one side of the second movable frame (17). A plurality of plug holes (13) are provided on one side of the first movable frame (12). Each plug rod (14) extends into a corresponding plug hole (13) and is slidably connected thereto. A first dovetail groove (15) is provided on the inner top surface of the fixing frame (1). A first dovetail block (16) is slidably connected to the first dovetail groove (15). The first dovetail block (16) is slidably connected to the first dovetail groove (15). The bottom end of the tail block (16) is fixedly connected to the top end of the second movable frame (17); two fixed plates (19) are fixedly mounted on the inner top surface of the fixed frame (1); each fixed plate (19) is screwed with an adjusting screw (20); one end of each adjusting screw (20) is rotatably connected to the corresponding side wall of the second movable frame (17); a guide groove (53) is provided on one side wall of the fixed frame (1); a guide slider (54) is slidably connected in the guide groove (53); one side of the guide slider (54) is fixedly connected to the side wall of the first movable frame (12).

2. A corn planting trenching and sowing device according to claim 1, characterized in that: The central shaft (9) is fixedly sleeved with a limit plate (24), and a plurality of first mounting tubes (25) and second mounting tubes (26) are sleeved with the central shaft (9), each of the first mounting tubes (25) and the second mounting tubes (26) forming a group, a second dovetail groove (27) is symmetrically arranged on the outer wall of each first mounting tube (25), a second dovetail block (28) is slidably connected in each second dovetail groove (27), an arc rod (29) is fixedly connected between the inner walls on both sides of each second dovetail groove (27), each arc rod (29) penetrates the corresponding second dovetail block (28), two first springs (30) are sleeved on each arc rod (29), the second dovetail block (28) is arranged between the two first springs (30), a cleaning rod (31) is fixedly mounted on each second dovetail block (28), and the cleaning rod (31) is in the shape of a rake, and a toggle plate (32) is symmetrically fixedly mounted on the outer wall of each second mounting tube (26).

3. A corn planting trenching and sowing device according to claim 2, characterized in that: A positioning ring (33) is fixedly sleeved on the central shaft (9), a first positioning block (34) is symmetrically fixedly mounted on the inner wall of the first mounting tube (25), a plurality of groups of symmetrically arranged first concave blocks (35) are fixedly mounted on the outer wall of the central shaft (9), each first positioning block (34) extends into a corresponding first concave block (35) and is slidably connected thereto, the positioning ring (33) is slidably arranged with the first positioning block (34) on one side, a bolt is threadedly mounted on the positioning ring (33), the bolt passes through the corresponding first mounting tube (25) and is threadedly connected thereto, a second positioning block (38) is symmetrically fixedly mounted on the inner wall of the second mounting tube (26), a plurality of rotatably connected first rotating rings (36) are sleeved on the central shaft (9), each First limiting rings (37) are fitted on both sides of the first rotating ring (36), and the first limiting rings (37) are fixedly connected to the outer wall of the central shaft (9). Second concave blocks (39) are symmetrically fixedly installed on the outer wall of each first rotating ring (36), and each second positioning block (38) extends into the corresponding second concave block (39) and is fitted and slidably connected thereto. A first conical gear ring (40) is fixedly inserted in each first installation tube (25), and a second conical gear ring (41) is inserted in each second installation tube (26). A plurality of second rotating rings (49) are sleeved on the central shaft (9) and are rotatably connected. Second limiting rings (50) are fitted on both sides of each second rotating ring (49), and each second limiting ring (50) is The second rotating ring (49) is fixedly sleeved on the central shaft (9), and a spring cylinder (47) is fixedly connected to the side wall of each second rotating ring (49). A second spring (48) is arranged in the spring cylinder (47), and the second spring (48) is in a compressed state under force. A T-shaped slide bar (46) is slidably connected in the spring cylinder (47), and one end of each T-shaped slide bar (46) passes through the spring cylinder (47) and is slidably connected thereto. One end of each T-shaped slide bar (46) is fixedly connected to a bevel gear (45), and two sides of each bevel gear (45) are respectively located between the corresponding first bevel gear ring (40) and the second bevel gear ring (41), and two sides of each bevel gear (45) are respectively meshed with the corresponding first bevel gear ring (40) and the second bevel gear ring (41). The invention is a method for manufacturing a plurality of rotating shafts for rotating the first and second rotating shafts of the plurality of rotating shafts, wherein each T-shaped sliding rod (46) is rotatably connected to the spring tube (47), a clamping ring (42) is fitted between each group of the first mounting tube (25) and the second mounting tube (26), a third dovetail groove (43) is provided on one side of each first mounting tube (25), a third dovetail block (44) is slidably connected in each third dovetail groove (43), the third dovetail block (44) is ring-shaped, one side of each third dovetail block (44) is fixedly connected to the side wall of the clamping ring (42), a connecting rod (51) is fixedly connected to the inner wall of each clamping ring (42), one end of each connecting rod (51) is fixedly connected to the outer wall of the corresponding second rotating ring (49), and a reinforcing rod (52) is fixedly connected to the top of each clamping ring (42).The top end of each reinforcement rod (52) is fixedly connected to the inner top surface of the first movable frame (12).

4. A corn planting trenching and sowing device according to claim 1, characterized in that: Two L-shaped locking frames are fixedly mounted on the top of the seed box (2), each locking frame is threaded with a locking bolt, the seed box (2) is fixedly connected to the top of the fixing frame (1) via the locking bolt, a feed hopper is mounted on the side wall of the seed box (2), a sealing cover is mounted on the top of the feed hopper, and a seed drop tube is fixedly connected to the bottom of the seed box (2).