Seeding ditcher

Abstract

The invention relates to the technical field of agricultural instruments, and discloses a sowing ditcher which comprises a main body assembly and a sowing rack, a supporting shaft is fixed to the sowing rack, a pressing roller is rotatably connected to the surface of the supporting shaft, a ditching cone is slidably arranged in the pressing roller, a supporting block is fixed to the surface of the pressing roller, and an extrusion bolt is rotatably connected to the interior of the supporting block through threads. An extrusion groove is formed in the surface of the ditching cone; a seeding pipe is arranged on the seeding rack; and a ditching assembly. The device has the beneficial effects that the ditching cone can be adjusted in a sliding mode through cooperation of the extrusion bolt and the extrusion groove, different shallow sowing depth requirements can be flexibly met, and the problem that the depth cannot be adjusted is solved; the air injection groove of the ditching cone injects air to clean the surface soil when leaving the soil, and the contact linkage structure can seal the air injection port to prevent blockage, so that the problem of poor surface soil cleaning is solved; depth adjustment and precise soil cleaning are combined, so that the ditch depth is prevented from being changed by surface soil, the sowing depth is consistent, and the problem of non-uniform depth is solved.

Description

Technical Field

[0001] This invention relates to the field of agricultural machinery technology, and in particular to a seeding and ditching machine. Background Technology

[0002] In agricultural sowing operations, the sowing furrow opener is a key piece of equipment, and the consistency of its furrow depth directly affects the seed germination rate and growth status. For crops that require shallow planting depth, such as rapeseed, spinach, lettuce, and sesame, the sowing depth is usually 0.5-3 cm, and the sowing method of rolling furrows with pressure rollers is generally used.

[0003] Currently, this method mostly involves fixing a grooving wheel or furrowing cone onto a press roller for grooving, but it has obvious drawbacks: when using a grooving wheel, because the grooving wheel is a one-piece structure, the grooving depth cannot be flexibly adjusted, making it difficult to adapt to the shallow sowing needs of different crops or soil conditions; when using a furrowing cone, floating soil particles are easily left on the inner wall of the furrow after it is formed. When the furrowing component is removed, these particles will slide to the bottom of the furrow, resulting in a shallower or uneven actual sowing depth, which disrupts the consistency of the seed growth environment and thus affects crop emergence and growth. Summary of the Invention

[0004] In view of the problems existing in the above and / or existing seeding and ditching machines, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is that the shallow trench depth adjustment of the existing press roller grooving equipment is inconvenient and the cleaning effect of the inner wall loose soil is poor, resulting in inconsistent sowing depth.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a seeding and furrowing machine, comprising a main body assembly including a seeding frame, a support shaft fixed on the seeding frame, a pressing roller rotatably connected to the surface of the support shaft, a furrowing cone sliding inside the pressing roller, a support block fixed to the surface of the pressing roller, a pressing bolt rotatably connected to the support block by a thread, a pressing groove being formed on the surface of the furrowing cone, and a seeding pipe being provided on the seeding frame;

[0007] A grooving assembly, disposed within the press roller, includes a cleaning component disposed within the grooving cone, a piston sliding within the grooving cone, a compression chamber formed within the grooving cone, the piston sliding within the compression chamber, a sliding rod fixed to one side of the piston, the sliding rod sliding within the grooving cone, a first spring fixed within the grooving cone, the other end of the first spring fixed to one side of the piston, a support rod fixed within the grooving cone, the first spring sleeved within the support rod, the piston and the sliding rod sliding on the surface of the support rod, and an air jet groove formed within the grooving cone, the air jet groove communicating with the compression chamber.

[0008] As a preferred embodiment of the seeding and ditching machine of the present invention, the ditching assembly further includes an air seal component disposed within the ditching cone, including a support seat fixed within the compression chamber, a sealing tube sliding within the support seat, a second spring fixed within the support seat, the other end of the second spring fixed to one side of the sealing tube, and a flow channel and a connection port being provided within the sealing tube.

[0009] In a preferred embodiment of the seeding and furrowing machine of the present invention, the air seal further includes a contact that slides within the furrowing cone, a top rod is fixed inside the contact, a limit ring is fixed on the surface of the top rod, and the top rod slides within the furrowing cone.

[0010] In a preferred embodiment of the seeding and ditching machine of the present invention, the ditching component further includes a baffle disposed within the ditching cone, including a baffle that slides within the ditching cone, the baffle being located on one side of the air jet groove, a lifting plate being fixed between the two baffles, a rotating shaft being rotatably connected within the ditching cone, a gear being fixed on the surface of the rotating shaft, and a rack being fixed on one side of the lifting plate, the rack meshing with the gear.

[0011] In a preferred embodiment of the seeding and ditching machine of the present invention, the blocking component further includes a drive plate fixed inside the contact head, the surface of the drive plate is provided with tooth grooves, and the gear meshes with the tooth grooves.

[0012] In a preferred embodiment of the seeding and ditching machine of the present invention, the ditching assembly further includes an air inlet pipe and an air outlet pipe fixed inside the ditching cone.

[0013] In a preferred embodiment of the seeding and ditching machine of the present invention, the ditching assembly further includes valve components disposed at the ends of the air inlet pipe and the air outlet pipe, including a connecting seat fixed inside the press roller, an air guide groove is provided inside the connecting seat, a sealing column slides inside the air guide groove, a sliding seat is fixed at the end of the sealing column, a third spring is fixed inside the sliding seat, the other end of the third spring is fixed to the surface of the connecting seat, the sliding seat slides inside the press roller, and a pulley is rotatably connected inside the sliding seat.

[0014] As a preferred embodiment of the seeding and ditching machine of the present invention, the ditching component further includes an air conveying component disposed within the press roller, including an air conveying frame fixed within the press roller, an air conveying pipe fixed on the air conveying frame, the air conveying pipe communicating with the air conveying frame, and the other end of the air conveying pipe communicating with the air guide groove.

[0015] In a preferred embodiment of the seeding and ditching machine of the present invention, the air conveying component further includes a rotating seat fixed to the surface of the support shaft, the air conveying frame is rotatably connected to the surface of the rotating seat, an air inlet is provided inside the support shaft, the air inlet is connected to the rotating seat, and the rotating seat is connected to the air conveying frame.

[0016] As a preferred embodiment of the seeding and ditching machine of the present invention, the ditching assembly further includes an adjusting component disposed on the surface of the support shaft, including a support ring, an air inlet adjusting ring, and an air outlet adjusting ring fixed to the surface of the support shaft. The air inlet adjusting ring is located on the valve side of the air inlet pipe, and the air outlet adjusting ring is located on the valve side of the air outlet pipe. The surface of the air inlet adjusting ring is provided with a groove, and a pressing plate is fixed to the surface of the air outlet adjusting ring.

[0017] The beneficial effects of this invention are as follows: the furrowing cone can be slidably adjusted by the cooperation of the extrusion bolt and the extrusion groove, which can flexibly adapt to different shallow sowing depth requirements and solve the problem of non-adjustable depth; the air jet groove of the furrowing cone sprays air to clean up the loose soil when it leaves the soil, and the contact linkage structure can seal the air jet to prevent blockage, thus solving the problem of poor loose soil cleaning; the combination of adjustable depth and precise soil cleaning avoids loose soil from changing the furrow depth, ensures consistent sowing depth, and solves the problem of uneven depth. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0019] Figure 1 This is a structural diagram of a seeding and furrowing machine.

[0020] Figure 2 For seeding and ditching machines Figure 1 Enlarged view of the structure at point A in the middle.

[0021] Figure 3 For seeding and ditching machines Figure 1 Enlarged view of the structure at point B in the middle.

[0022] Figure 4 This is a structural diagram of the air conveyor frame for a seeding and furrowing machine.

[0023] Figure 5 For seeding and ditching machines Figure 4 Enlarged view of the structure at point C.

[0024] Figure 6 A cross-sectional view of the air intake duct of a seeding and ditching machine.

[0025] Figure 7 This is a structural diagram of the air intake regulating ring of a seeding and furrowing machine.

[0026] Figure 8 A cross-sectional view of the furrowing cone of a seeding and furrowing machine.

[0027] Figure 9 For seeding and ditching machines Figure 8 Enlarged view of the structure at point D.

[0028] Figure 10 Another sectional view of the furrowing cone of a seeding and furrowing machine.

[0029] Figure 11 This is a structural diagram of the drive plate of a seeding and ditching machine.

[0030] Figure 12 This is a structural diagram of the sealing pipe of a seeding and furrowing machine.

[0031] In the diagram: Main component 100; Seeder frame 101; Support shaft 102; Press roller 103; Furrowing cone 104; Support block 105; Extrusion bolt 106; Extrusion groove 104-3; Seeding pipe 107; Furrowing component 200; Cleaning component 201; Piston 2011; Compression chamber 104-1; Slide rod 2012; First spring 2013; Support rod 2014; Air jet groove 104-2; Air seal component 202; Support seat 2021; Sealing pipe 2022; Second spring 2023; Flow channel 2022-1; Connection port 2022-2; Contact 2024; Top rod 2025; Limiting ring 2026; Barrier component 203; Plate 2031; Lifting plate 2032; Rotating shaft 2033; Gear 2034; Rack 2035; Drive plate 2036; Tooth groove 2036-1; Inlet pipe 204; Outlet pipe 205; Valve component 206; Connecting seat 2061; Air guide groove 2061-1; Sealing column 2062; Sliding seat 2063; Third spring 2064; Pulley 2065; Air supply component 207; Air supply frame 2071; Air supply pipe 2072; Rotating seat 2073; Inlet channel 102-1; Adjusting component 208; Support ring 2081; Inlet adjusting ring 2082; Outlet adjusting ring 2083; Groove 2082-1; Extrusion plate 2084. Detailed Implementation

[0032] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0034] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0035] Example 1

[0036] Reference Figures 1-6 This is the first embodiment of the present invention, which provides a seeding and furrowing machine. The seeding and furrowing machine includes a main body component 100, including a seeding frame 101. A support shaft 102 is fixed on the seeding frame 101. A pressing roller 103 is rotatably connected to the surface of the support shaft 102. When the machine moves forward, the pressing roller 103 can roll on the soil surface. A furrowing cone 104 slides inside the pressing roller 103. There are multiple furrowing cones 104. There are two pairs of support shafts 102 and pressing rollers 103. The pair of pressing rollers 103 located in the forward direction of the machine's movement are provided with furrowing cones 104 for opening furrows for sowing. The pressing rollers 103 at the rear are smooth rollers used to flatten the furrows after sowing and bury the seeds. A support block 105 is fixed to the surface of the pressing roller 103. The support block 105 is connected to the compression bolt 106 by a threaded rotation. The surface of the furrowing cone 104 is provided with a compression groove 104-3. By rotating the compression bolt 106, the compression bolt 106 can be squeezed against the compression groove 104-3, thereby fixing the furrowing cone 104. The seeder frame 101 is provided with a seeding tube 107, and a seeding mechanism is provided above the seeding tube 107. This seeding mechanism is existing technology and can detect the rotation angle of the press roller 103 with the furrowing cone 104. When the press roller 103 rotates 120 degrees, the seeds will fall from the seeding tube 107 and fall into the furrow pressed by the furrowing cone 104 in the soil. By adjusting the position of the furrowing cone 104 on the press roller 103, the depth of the furrow pressed by the furrowing cone 104 can be adjusted.

[0037] A grooving assembly 200, disposed within a press roller 103, includes a cleaning component 201 disposed within a grooving cone 104, and a piston 2011 sliding within the grooving cone 104. A compression chamber 104-1 is formed within the grooving cone 104, and the piston 2011 slides within the compression chamber 104-1. A sliding rod 2012 is fixed to one side of the piston 2011 and slides within the grooving cone 104. A first spring 2013 is fixed within the grooving cone 104, with its other end fixed to one side of the piston 2011. The first spring 2013 is in a normal position. A support rod 2014 is fixed within the grooving cone 104, and the first spring 2013 is sleeved within the support rod 2014. The piston 2011 and the sliding rod 2012 slide on the surface of the support rod 2014. An air jet groove is formed within the grooving cone 104. 104-2, There are four air jet channels 104-2 inside the furrowing cone 104. The outlets of the air jet channels 104-2 are located on the four sides of the furrowing cone 104. The air jet channels 104-2 are connected to the compression chamber 104-1. When the piston 2011 moves in the compression chamber 104-1 toward the air jet channel 104-2, it can compress the air in the compression chamber 104-1 into the air jet channel 104-2 and spray it out from the outlet of the air jet channel 104-2. Due to the orientation of the air jet channel 104-2, the sprayed gas is directed obliquely upward toward the furrowing cone 104, thereby blowing the floating soil particles on the inner wall of the furrow created by the furrowing cone 104 out of the furrow, preventing the soil particles from sliding to the bottom of the furrow, which would cause the actual sowing depth to become shallow or uneven, destroy the consistency of the seed growth environment, and thus affect crop emergence and growth.

[0038] The jet outlet of jet 104-2 sprays air at an angle upwards to prevent the airflow from blowing to the bottom of the groove and thus avoids changes in the groove depth.

[0039] Example 2

[0040] Reference Figures 3-12 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0041] Specifically, the trenching assembly 200 also includes an air seal 202 disposed within the trenching cone 104, including a support 2021 fixed within the compression chamber 104-1. The outlet of the compression chamber 104-1 is divided into four chambers, and the support 2021 is located within one of these chambers. A sealing tube 2022 slides within the support 2021, and a second spring 2023 is fixed within the support 2021. The other end of the second spring 2023 is fixed to one side of the sealing tube 2022. The sealing tube 2022 has a flow channel 2022-1 and a connection port 2022-2. Through the arrangement of the flow channel 2022-1 and the connection port 2022-2, the jet groove 104-2 and the compression chamber 104-1 are connected. When the sealing tube 2022 slides within the support 2021, causing the connection port 2022-2 to move into the support 2021, the jet groove 104-2 and the compression chamber 104-1 are not connected.

[0042] Specifically, the gas seal 202 also includes a contact 2024 that slides within the grooved cone 104. A push rod 2025 is fixed inside the contact 2024. A limiting ring 2026 is fixed on the surface of the push rod 2025. The limiting ring 2026 is used to limit the push rod 2025 so that the push rod 2025 does not move excessively downward, thereby limiting the contact 2024 so that the contact 2024 does not move out of the grooved cone 104. The push rod 2025 slides within the grooved cone 104 and is located on one side of the end of the sealing tube 2022.

[0043] When the pressing roller 103 rolls and drives the trenching cone 104 to squeeze the soil, the contact 2024 can contact the soil first, thus pushing the contact 2024 towards the trenching cone 104. This causes the push rod 2025 to push the sealing tube 2022, thereby moving the connection port 2022-2 of the sealing tube 2022 into the support seat 2021. At this time, the air jet groove 104-2 and the compression chamber 104-1 are not connected.

[0044] Specifically, the trenching assembly 200 also includes a baffle 203 disposed within the trenching cone 104, including a baffle 2031 that slides within the trenching cone 104. The baffle 2031 is located on one side of the jet vent 104-2. There are four baffles 2031 in each trenching cone 104, located at the outlets of the four jet vents 104-2 of the trenching cone 104. A lifting plate 2032 is fixed between every two baffles 2031, and the lifting plate 2032 is used to drive the baffles 2031. The groove cone 104 is rotatably connected to a rotating shaft 2033. A gear 2034 is fixed on the surface of the rotating shaft 2033. A rack 2035 is fixed on one side of the lifting plate 2032. The rack 2035 and the gear 2034 mesh. The rotation of the gear 2034 can drive the rack 2035 to move, thereby driving the lifting plate 2032 to move, which in turn drives the baffle 2031 to move, thereby sealing or releasing the seal of the outlet of the jet groove 104-2.

[0045] Specifically, the baffle 203 also includes a drive plate 2036 fixed inside the contact 2024. There are two drive plates 2036 in each contact 2024. The surface of the drive plate 2036 is provided with a toothed groove 2036-1. The gear 2034 meshes with the toothed groove 2036-1. When the contact 2024 squeezes the soil, the contact 2024 moves towards the trenching cone 104, causing the contact 2024 to drive the drive plate 2036 to move. This causes the drive plate 2036 to drive the baffle 2031 to approach the outlet of the air jet 104-2 through the gear 2034 and the lifting plate 2032, thereby sealing the outlet of the air jet 104-2 and preventing soil particles from entering the air jet 104-2 when the trenching cone 104 squeezes the trench, which would cause the air jet 104-2 to be blocked.

[0046] Specifically, the trenching assembly 200 also includes an air inlet pipe 204 and an air outlet pipe 205 fixed inside the trenching cone 104. Both the air inlet pipe 204 and the air outlet pipe 205 are flexible hoses. Both the air inlet pipe 204 and the air outlet pipe 205 are connected to the compression chamber 104-1. The air inlet pipe 204 is used to introduce compressed gas into the compression chamber 104-1, and the air outlet pipe 205 is used to discharge the compressed gas from the compression chamber 104-1.

[0047] When the exhaust pipe 205 is blocked, the intake pipe 204 introduces compressed gas into the compression chamber 104-1. This compressed gas pushes the piston 2011, thereby compressing the gas on the other side of the piston 2011 in the compression chamber 104-1. The gas pushes the sealing pipe 2022. Since the sealing pipe 2022 is supported by the push rod 2025, the connection port 2022-2 of the sealing pipe 2022 is located in the support seat 2021, which isolates the compression chamber 104-1 and the jet channel 104-2.

[0048] As the press roller 103 rolls, when the furrowing cone 104 begins to move away from the soil trench, the contact 2024 loses the support of the soil. Under the push of the sealing tube 2022, the contact 2024 moves away from the furrowing cone 104. At this time, with the movement of the contact 2024, the four baffles 2031 will open, and at the same time, the connection port 2022-2 of the sealing tube 2022 will move out of the support seat 2021, so that the compression chamber 104-1 and the air jet trough 104-2 are connected. At this time, the compressed gas in the compression chamber 104-1 will be ejected through the outlet of the air jet trough 104-2, thereby blowing the floating soil particles that have been opened by the furrowing cone 104 out of the trench and preventing the soil particles from sliding to the bottom of the trench, which would cause the actual sowing depth to become shallow or uneven, destroy the consistency of the seed growth environment, and thus affect the emergence and growth of crops.

[0049] Example 3

[0050] Reference Figure 1 and Figure 12 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0051] Specifically, the trenching assembly 200 also includes valve components 206 disposed at the ends of the air inlet pipe 204 and the air outlet pipe 205. The valve components 206 control the opening and closing of the air inlet pipe 204 and the air outlet pipe 205. They include a connecting seat 2061 fixed within the press roller 103, with an air guide groove 2061-1 formed within the connecting seat 2061. A sealing post 2062 slides within the air guide groove 2061-1, blocking the air guide groove 2061-1, thereby blocking and sealing the air inlet pipe 204 and the air outlet pipe 205. A sliding seat 2063 is fixed to the end of the column 2062. A third spring 2064 is fixed inside the sliding seat 2063. The other end of the third spring 2064 is fixed to the surface of the connecting seat 2061. The third spring 2064 is in a compressed state. The sliding seat 2063 slides inside the pressing roller 103, so that the sliding seat 2063 will not rotate inside the pressing roller 103. A pulley 2065 is rotatably connected inside the sliding seat 2063. By squeezing the pulley 2065, the sealing column 2062 can be squeezed into the air guide groove 2061-1.

[0052] Specifically, the trenching assembly 200 also includes an air conveying component 207 disposed within the press roller 103, including an air conveying frame 2071 fixed within the press roller 103. The air conveying frame 2071 is a hollow structure used to convey high-pressure gas to multiple trenching cones 104. An air conveying pipe 2072 is fixed on the air conveying frame 2071, and the air conveying pipe 2072 is connected to the air conveying frame 2071. The other end of the air conveying pipe 2072 is connected to the air guide groove 2061-1.

[0053] The high-pressure gas in the gas delivery frame 2071 is delivered to the gas guide groove 2061-1 through the gas delivery pipe 2072, and then delivered to the air inlet pipe 204 through the air guide groove 2061-1, and then delivered to the compression chamber 104-1 from the air inlet pipe 204.

[0054] Specifically, the gas delivery component 207 also includes a rotating seat 2073 fixed to the surface of the support shaft 102, and a gas delivery frame 2071 rotatably connected to the surface of the rotating seat 2073. An air inlet 102-1 is provided inside the support shaft 102. The air inlet 102-1 is used to connect to an external high-pressure gas pipe. The air inlet 102-1 is connected to the rotating seat 2073, and the rotating seat 2073 is connected to the gas delivery frame 2071, so that the high-pressure gas from the outside enters into the rotating seat 2073 and is then delivered from the rotating seat 2073 to the gas delivery frame 2071.

[0055] Specifically, the trenching assembly 200 also includes an adjusting component 208 disposed on the surface of the support shaft 102, including a support ring 2081, an air inlet adjusting ring 2082, and an air outlet adjusting ring 2083 fixed to the surface of the support shaft 102. The support ring 2081 is used to support the slide bar 2012, thereby limiting the position of the piston 2011 so that the piston 2011 can be stably stopped at the current position. When the trenching cone 104 is adjusted to the outside of the press roller 103, the piston 2011 can compress more gas into the air jet groove 104-2, thereby adapting to the deeper trenches opened by the trenching cone 104 and ensuring the effect of cleaning the floating soil particles on the inner wall of the trench. The air inlet adjusting ring 2082 is a valve located on one side of the air inlet pipe 204. On one side of the door component 206, the exhaust regulating ring 2083 is located on the side of the valve component 206 on the side of the exhaust pipe 205. The surface of the intake regulating ring 2082 has a groove 2082-1. As the press roller 103 rolls, when the pulley 2065 enters the groove 2082-1, the valve component 206 on the side of the intake pipe 204 is in the open state, and high-pressure gas is input into the intake pipe 204. The surface of the exhaust regulating ring 2083 is fixed with a compression plate 2084. When the pulley 2065 moves away from the compression plate 2084, the valve component 206 on the side of the exhaust pipe 205 is in the open state, and the exhaust pipe 205 can discharge the compressed gas in the compression chamber 104-1, so that the piston 2011 is reset under the push of the first spring 2013.

[0056] In summary, the present invention has the following beneficial effects:

[0057] 1. Achieve flexible adjustment of shallow furrow depth: Through the sliding design of the furrowing cone 104 in the press roller 103 and the fixing structure of the extrusion bolt 106 and the extrusion groove 104-3, the extension length of the furrowing cone 104 can be easily adjusted to accurately adapt to the depth requirements of different shallow-sown crops, solving the problem that traditional furrowing wheels cannot adjust the depth.

[0058] 2. Highly efficient cleaning of loose soil on the inner wall of the trench and prevention of clogging: With the upward air jet design of the air jet channel 104-2, when the trenching cone 104 leaves the soil, the gas in the compression chamber 104-1 is automatically ejected through the air jet channel 104-2, which can blow the floating soil particles on the inner wall away from the trench; at the same time, through the baffle 2031 and sealing pipe 2022 structure linked by the contact 2024, the air jet is automatically closed when the trench is opened, avoiding soil clogging the air passage and solving the problem of poor cleaning effect of loose soil.

[0059] 3. Ensure consistent sowing depth: The adjustable depth of the furrowing cone 104 and the precise soil removal by the air jet trough 104-2 prevent loose soil from sliding to the bottom of the furrow and changing the actual depth. Combined with the flattening and burying by the rear pressing roller 103, the seed growth environment is ensured to be uniform, improving crop emergence rate and growth consistency, and solving the problem of uneven sowing depth caused by existing equipment.

[0060] When in use, when the pressing roller 103 rolls on the soil, the trenching cone 104 can be inserted into the soil, thereby squeezing out the corresponding trenches on the soil.

[0061] When the trenching cone 104 presses against the soil, the contact 2024 can contact the soil first, thereby pushing the contact 2024 towards the trenching cone 104, which in turn pushes the top rod 2025 against the sealing tube 2022, thereby moving the connection port 2022-2 of the sealing tube 2022 into the support seat 2021. At this time, the air jet groove 104-2 and the compression chamber 104-1 are not connected.

[0062] At the same time, the contact 2024 drives the drive plate 2036 to move, so that the drive plate 2036 drives the baffle 2031 to approach the outlet of the jet chute 104-2 through the gear 2034 and the lifting plate 2032, thereby sealing the outlet of the jet chute 104-2 and preventing soil particles from entering the jet chute 104-2 when the trenching cone 104 is squeezing the trench, which would cause the jet chute 104-2 to be blocked.

[0063] As the pressing roller 103 rolls, when the trenching cone 104 begins to move away from the soil trench, and the pulley 2065 enters the groove 2082-1, the valve 206 on one side of the air inlet pipe 204 is in the open state, and high-pressure gas is input into the air inlet pipe 204, which increases the air pressure in the compression chamber 104-1, thereby pushing the piston 2011. The piston 2011 moves in the compression chamber 104-1 towards the jet groove 104-2, which can squeeze the air in the compression chamber 104-1 towards the jet groove 104-2.

[0064] At this time, the compressed gas will push the sealing tube 2022, causing the sealing tube 2022 to push the top rod 2025, causing the contact 2024 to move away from the trench cone 104. At this time, with the action of the contact 2024, the four baffles 2031 will be opened. At the same time, the connection port 2022-2 of the sealing tube 2022 will move out of the support seat 2021, so that the compression chamber 104-1 and the jet groove 104-2 are connected. At this time, the compressed gas in the compression chamber 104-1 will be ejected through the outlet of the jet groove 104-2, thereby blowing the floating soil particles that have been opened by the trench cone 104 out of the trench, preventing the soil particles from sliding to the bottom of the trench, which would cause the actual sowing depth to become shallow or uneven, destroy the consistency of the seed growth environment, and thus affect the emergence and growth of crops.

[0065] When the depth of the trench needs to be adjusted, simply rotate the extrusion bolt 106 to release the extrusion groove 104-3. At this time, adjust the position of the trenching cone 104 on the press roller 103 to adjust the depth of the extruded trench, thereby adapting to the shallow sowing requirements of different crops or soil conditions.

[0066] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A seeding and furrowing machine, characterized in that: include, The main component (100) includes a seeder frame (101), a support shaft (102) fixed on the seeder frame (101), a press roller (103) rotatably connected to the surface of the support shaft (102), a furrowing cone (104) sliding inside the press roller (103), a support block (105) fixed on the surface of the press roller (103), a pressing bolt (106) rotatably connected to the support block (105) by a thread, a pressing groove (104-3) is opened on the surface of the furrowing cone (104), and a seeding tube (107) is provided on the seeder frame (101). A grooving assembly (200), disposed within the press roller (103), includes a cleaning component (201) disposed within the grooving cone (104), and a piston (2011) sliding within the grooving cone (104). A compression chamber (104-1) is provided within the grooving cone (104), and the piston (2011) slides within the compression chamber (104-1). A sliding rod (2012) is fixed to one side of the piston (2011), and the sliding rod (2012) slides within the grooving cone (104). A first spring (2013) is fixed inside the piston (2011), and the other end of the first spring (2013) is fixed to one side of the piston (2011). A support rod (2014) is fixed inside the grooved cone (104). The first spring (2013) is sleeved inside the support rod (2014). The piston (2011) and the slide rod (2012) slide on the surface of the support rod (2014). An air jet groove (104-2) is opened inside the grooved cone (104), and the air jet groove (104-2) is connected to the compression chamber (104-1).

2. The seeding and furrowing machine as described in claim 1, characterized in that: The trenching assembly (200) further includes an air seal (202) disposed in the trenching cone (104), including a support seat (2021) fixed in the compression chamber (104-1), a sealing tube (2022) sliding in the support seat (2021), a second spring (2023) fixed in the support seat (2021), the other end of the second spring (2023) being fixed to one side of the sealing tube (2022), and a flow channel (2022-1) and a connection port (2022-2) being opened in the sealing tube (2022).

3. The seeding and furrowing machine as described in claim 2, characterized in that: The gas seal (202) further includes a contact (2024) that slides within the grooved cone (104), a push rod (2025) that is fixed within the contact (2024), a limit ring (2026) that is fixed on the surface of the push rod (2025), and the push rod (2025) that slides within the grooved cone (104).

4. The seeding and furrowing machine as described in claim 3, characterized in that: The trenching assembly (200) further includes a baffle (203) disposed within the trenching cone (104), including a baffle (2031) sliding within the trenching cone (104). The baffle (2031) is located on one side of the jet chute (104-2). A lifting plate (2032) is fixed between the two baffles (2031). A rotating shaft (2033) is rotatably connected within the trenching cone (104). A gear (2034) is fixed on the surface of the rotating shaft (2033). A rack (2035) is fixed on one side of the lifting plate (2032). The rack (2035) and the gear (2034) mesh.

5. The seeding and furrowing machine as described in claim 4, characterized in that: The blocking component (203) also includes a drive plate (2036) fixed inside the contact (2024). The drive plate (2036) has a toothed groove (2036-1) on its surface, and the gear (2034) meshes with the toothed groove (2036-1).

6. The seeding and furrowing machine as described in claim 5, characterized in that: The trenching assembly (200) also includes an air inlet pipe (204) and an air outlet pipe (205) fixed inside the trenching cone (104).

7. The seeding and furrowing machine as described in claim 6, characterized in that: The trenching assembly (200) further includes a valve component (206) disposed at the ends of the air inlet pipe (204) and the air outlet pipe (205), including a connecting seat (2061) fixed inside the press roller (103), an air guide groove (2061-1) is provided in the connecting seat (2061), a sealing column (2062) slides in the air guide groove (2061-1), a sliding seat (2063) is fixed at the end of the sealing column (2062), a third spring (2064) is fixed inside the sliding seat (2063), the other end of the third spring (2064) is fixed to the surface of the connecting seat (2061), the sliding seat (2063) slides inside the press roller (103), and a pulley (2065) is rotatably connected inside the sliding seat (2063).

8. The seeding and ditching machine as described in claim 7, characterized in that: The trenching assembly (200) further includes an air conveying component (207) disposed within the press roller (103), including an air conveying frame (2071) fixed within the press roller (103), an air conveying pipe (2072) fixed on the air conveying frame (2071), the air conveying pipe (2072) communicating with the air conveying frame (2071), and the other end of the air conveying pipe (2072) communicating with the air guide groove (2061-1).

9. The seeding and furrowing machine as described in claim 8, characterized in that: The gas delivery component (207) also includes a rotating seat (2073) fixed to the surface of the support shaft (102), the gas delivery frame (2071) is rotatably connected to the surface of the rotating seat (2073), an air inlet (102-1) is provided in the support shaft (102), the air inlet (102-1) is connected to the rotating seat (2073), and the rotating seat (2073) is connected to the gas delivery frame (2071).

10. The seeding and furrowing machine as described in claim 7 or 9, characterized in that: The trenching assembly (200) further includes an adjusting member (208) disposed on the surface of the support shaft (102), including a support ring (2081), an air intake adjusting ring (2082), and an air outlet adjusting ring (2083) fixed to the surface of the support shaft (102). The air intake adjusting ring (2082) is located on the side of the valve component (206) on the side of the air intake pipe (204), and the air outlet adjusting ring (2083) is located on the side of the valve component (206) on the side of the air outlet pipe (205). The surface of the air intake adjusting ring (2082) is provided with a groove (2082-1), and the surface of the air outlet adjusting ring (2083) is fixed with an extrusion plate (2084).

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