CN108243677B - Seed metering cleaning mechanism of hole digging sowing wheel - Google Patents
Seed metering cleaning mechanism of hole digging sowing wheel Download PDFInfo
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- CN108243677B CN108243677B CN201810026931.7A CN201810026931A CN108243677B CN 108243677 B CN108243677 B CN 108243677B CN 201810026931 A CN201810026931 A CN 201810026931A CN 108243677 B CN108243677 B CN 108243677B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000009331 sowing Methods 0.000 title claims description 134
- 238000010899 nucleation Methods 0.000 claims abstract description 71
- 241001433879 Camarea Species 0.000 claims abstract description 8
- 238000004080 punching Methods 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 19
- 239000002689 soil Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 3
- 238000010009 beating Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 4
- 241000721671 Ludwigia Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
A seed metering cleaning mechanism of a hole digging seeding wheel, comprising: the seeding wheel (1) of beating the cave, beat cave seeding wheel control mechanism, air chamber (4), seeding wheel cover (11) and air chamber locking device, beat the middle part of the kind of a bunch planting wheel and be beaten kind of a bunch planting wheel control mechanism, be connected with on it and provide sealed seeding wheel cover (11) for beat the air chamber (4) of cave seeding wheel, evenly radiate out in the center of a bunch planting wheel to beat cave seeding needle (2), beat cave seeding wheel center part and divide into air chamber district and cam area, cam and beat the cooperation of cave seeding needle (2) and can carry out ejecting action, seeding wheel cover (11) links to each other through the connecting rod with the frame, seeding wheel cover (11) and beat the combination that can rotate relatively of bunch planting wheel center part, both close fit make air chamber (4) seal, airtight structure still includes air chamber locking device.
Description
Technical Field
The invention belongs to agricultural seeding machinery, and particularly relates to a seed metering cleaning mechanism of a hole-digging seeding wheel.
Background
At present, most of existing precision seeders adopt a precision seed sowing device to quantitatively separate seeds, the seeds are taken out from a seed pile one by one and then thrown into a seed groove which is well opened by a furrow opener, the seeds roll and bounce in the seed groove, the plant spacing variation rate is increased, the seeds cannot be distributed according to an ideal track, and the yield is increased. If the seeds are distributed according to a fixed track, the seeds can be only achieved by a hole punching and sowing mode, and the duckbilled seeds are used for hole punching and sowing at present, but the duckbilled seeds occupy larger space and are not suitable for being distributed too densely, the sowing frequency is limited, the needle type hole punching and sowing wheel can not be applied to crops with smaller plant spacing or drill sowing, such as wheat sowing and the like, therefore, the needle type hole punching and sowing wheel is an optimal choice, but because the hole punching needle is hollow and comprises seeds, the seed that can appear contains can't fall out in the hole-making needle and then follow the condition of hole-making needle removal again, causes the seed to fall out the skew, and because the hole-making needle is in, when beating the cave, can not avoid having earth to enter into the inside of hole-making needle, will block up the air flue, can't normally accomplish the seed and pick up, because can UNICOM air chamber after beating the hole-making needle in addition, there is the negative pressure that the air current produced in the air chamber, causes earth to be inhaled into the air chamber in, influences the normal work of seeding wheel. Therefore, an auxiliary seed discharging and cleaning device must be designed for the hole-digging sowing wheel so as to ensure that the sowing operation can be completed normally.
Disclosure of Invention
The invention aims at solving the problems and innovatively designing a matched auxiliary seed metering and cleaning mechanism for a needle type hole punching precision sowing mechanism. The problem that seeds of the hole-punching seed sowing wheel cannot be discharged or the positions of the seeds are shifted and soil in the hole-punching seed sowing needle is cleaned is solved, the needle-type hole-punching precision sowing mechanism is guaranteed to be capable of effectively operating, the seeds are discharged according to the hole punching position, and the hole-punching seed sowing needle cannot be blocked by soil.
In order to achieve the above object, the present invention provides a seed metering cleaning mechanism of a hole-digging seeding wheel, comprising: the seeding wheel is characterized in that the middle part of the seeding wheel is provided with a seeding wheel cover which is used for providing sealing for the air chamber of the seeding wheel, the center of the seeding wheel is uniformly radiated to the outside, the center part of the seeding wheel is divided into an air chamber area and a cam area, the seeding wheel cover is a fixing piece and is connected with a frame through a connecting rod, the seeding wheel cover and the center part of the seeding wheel can be combined in a relatively rotating way, the seeding wheel cover and the center part of the seeding wheel are tightly matched to enable the air chamber to be closed, and the sealing structure also comprises the air chamber locking device.
The seeding wheel is of a hollow cylindrical structure, the center of the cylinder is a central area of the seeding wheel, the seeding needles are uniformly emitted from the central area to the periphery until the seeding wheel is arranged outside, an air hole capable of being inserted into an air pipe is formed in the lower left corner of the seeding wheel cover, the air chamber of the air chamber area is in the shape of a circle of arc-shaped extension holes, and a plurality of air chambers share one extension hole.
The sowing wheel cover and the central part of the bunch planting wheel are closed, the closed structure also comprises an air chamber locking device, the air chamber locking device comprises a sowing wheel cover spring and a pre-tightening nut, the pre-tightening force is adjusted by adjusting the pre-tightening nut, and the friction coefficient between the sowing wheel cover spring and the pre-tightening nut is low.
The sowing wheel cover is matched and installed on the central area of the hole sowing wheel, the sowing wheel cover is tightly attached to the boss of the central area of the hole sowing wheel, the sowing wheel cover is sealed with the air chamber, the sowing wheel cover is made of organic materials, the air chamber is located on the sowing wheel cover and is in a cylindrical extension hole, and the coverage range is from the cleaning action of the hole sowing needle to the reaching of the preset sowing site of the hole sowing needle, and approximately covers three-quarters of the area.
The air chamber locking device comprises a sowing wheel cover, a spring and a pre-tightening bolt, wherein the sowing wheel cover spring is pressed between the sowing wheel cover and the pre-tightening bolt, the pre-tightening bolt is arranged on a shaft, the outer end of the shaft is provided with threads, the pre-tightening force is adjusted by matching with the pre-tightening bolt, a circular air hole capable of being connected with an air pipe is formed in the right lower side of the sowing wheel cover, and the air pipe is connected with a fan.
The top end of the hole-punching sowing needle is provided with a seed suction groove, the hole-punching sowing needle is hollow, the hollow hole-punching sowing needle is internally provided with a seed pushing rod, the upper part of the seed pushing rod is provided with a hemispherical push rod head, the lower end part of the seed pushing rod is provided with a groove, and when the push rod head is pressed by a special-shaped cam, the pretightening force of a push rod spring is overcome.
The hole sowing wheel control mechanism mainly comprises a push rod head, a push rod spring and a sealing sheet below the push rod spring, wherein the sealing sheet is used for separating an air chamber from an inner space, the sealing sheet is made of flexible materials, and a bearing seat is arranged at the most central part of a central area and is used for installing a bearing.
The eccentric position of the seeding wheel cover is distributed with a special-shaped cam, and the special-shaped cam is not interfered with the bearing seat.
The special-shaped cam is matched with the seed pushing rod, the seed pushing rod is kept at the forefront end in the underground area to occupy the inner space of the hole-punching sowing needle, and the seed pushing rod is retracted rapidly and ejected again after the soil is discharged.
The lower part of the push rod head is provided with a push rod spring which can return the seed pushing rod, the lower part of the push rod spring is provided with a sealing piece made of rubber material, the air chamber is isolated from the cam area, the upper part of the seed pushing rod in the air chamber is provided with a wide circumferential baffle plate which axially limits the seed pushing rod, and the seed pushing rod is divided into two parts which are connected through threads. The hole-digging sowing needle is divided into three layers.
The invention has the beneficial effects that:
the invention can solve the problem that the dibbling seeds of the dibbling seed wheel are driven by the seeds and cannot be accurately planted, can provide soil-discharging cleaning operation for the inside of the dibbling seed needle, and has the advantages of simple structure, no use of complex control system, good reliability and the like.
Drawings
Fig. 1 is a front view of a bunch planting wheel (with a seeding wheel cover removed).
Fig. 2 is an enlarged view of a center portion of the sowing wheel.
Fig. 3 is an enlarged view of the seed-pushing lever control portion.
Fig. 4 is a front view of the hole sowing wheel.
Fig. 5 is a side view of the dibbling wheel.
Fig. 6 is a front view of the seeding wheel cover.
Fig. 7 is an isometric view of a seeding wheel cover.
Part number description in the drawings:
1-hole-punching sowing wheel, 2-hole-punching sowing needle, 3-fastening groove, 4-air chamber, 5-seed pushing rod, 6-pre-tightening bolt, 7-shaft, 8-bearing seat, 9-pushing rod head, 10-pushing rod spring, 11-sowing wheel cover, 12-air hole, 13-sowing wheel cover spring, 14-fastening boss, 15-air groove, 16-shaft hole and 17-special-shaped cam.
Detailed Description
An auxiliary seed discharging and cleaning mechanism of a hole-digging sowing wheel mainly comprises a seed pushing rod, a sowing wheel control mechanism, a sowing wheel cover, an air chamber locking device and the like.
Firstly, the needle type hole sowing wheel is briefly introduced, the middle part of the hole sowing wheel is a sowing wheel control mechanism, a sowing wheel cover is connected to provide sealing for an air chamber of the sowing wheel, an air hole is formed in the lower left corner of the sowing wheel cover, an air pipe can be inserted into the air hole to provide air pressure for the air chamber, the hole sowing needle is uniformly radiated outside the center of the sowing wheel, the sowing needle is divided into three layers, a seed sucking groove is formed in the top end of the hole sowing needle and the hole sowing needle is hollow, air flow can be allowed to pass through, when working is performed, the hole sowing needle of the working part can obtain negative pressure with a certain suction force from the air chamber, seeds can be picked up in a seed box, and the hole sowing needle can be inserted into the ground along with the rotation of the sowing wheel, and the air pressure disappears at a proper position, the seeds are discharged, and the seeds circulate in sequence.
The seed pushing rod is arranged inside each hollow hole punching and sowing needle to be used as a part for pushing out seeds, and the seeds can be pushed out downwards at the position where the seeds are to be sowed by the hole punching and sowing needle due to the fact that the soil is wrapped after the hole punching and sowing needle is inserted into the soil, so that the phenomenon that the seeds are taken away from the position where the seeds are to be sowed by the hole punching and sowing needle only by utilizing the gravity of the seeds, the deviation of the sowing position is caused, the adverse effect is caused on the sowing effect, and the hole punching and sowing needle can be pushed out downwards at the position where the seeds are to be sowed by the seed pushing rod, so that the accuracy of the sowing position is ensured. And the seed pushing needle also has the function of cleaning the inside of the hole punching and seeding needle, and can push out soil entering the inside of the hole punching and seeding needle again, so that the hole punching and seeding needle is prevented from being blocked, ventilation is avoided, and seed pick-up is affected.
The seeding wheel cover can be combined with the central part of the seeding wheel to jointly form a control system of the seeding wheel, the seeding wheel cover and the central part of the seeding wheel can rotate relatively, and when the seeding wheel works, the seeding wheel rotates, and the seeding wheel cover is a fixing piece and is connected with the frame through a connecting rod. The air chamber is closed by tightly matching the two parts, and the closing is mainly finished by virtue of an air chamber locking device, and comprises a sowing wheel cover spring and a pre-tightening nut, the sowing wheel cover spring is used for ensuring the compression of the sowing wheel cover spring and the pre-tightening nut, and the pre-tightening force is adjusted by adjusting the pre-tightening nut. The friction coefficient between the two is lower, and the sowing wheel cover is made of organic materials with lower friction coefficient, so that the relative rotation of the sowing wheel cover and the sowing wheel cover is not influenced. The center part of the sowing wheel is divided into two areas, namely an air chamber area and a cam area, the air chamber of the air chamber area is in the shape of a circle of arc-shaped extension holes, the space can be saved by using the extension holes, a plurality of air chambers share one extension hole, and the distribution efficiency is improved. The extension hole distribution standard has two, first in order to guarantee that each air chamber is isolated each other, prevents to cross gas, guarantees that the outage opportunity is accurate, and the second is that the distance between two air chambers is very little, does not have any hole-making sowing needle and does not link to each other with the air chamber, guarantees to get kind stability.
The other area is a cam area, the upper part of each seed pushing rod is provided with a hemispherical pushing rod head, when encountering a special-shaped cam, the special-shaped cam can push the pushing rod heads to be pressed down, the depth of the seed pushing rods is achieved, the seed pushing and cleaning tasks are completed, the lower part of the pushing rod heads is provided with a small push rod spring, and when the special-shaped cam is lost, the seed pushing rods can return by means of self pre-tightening force. The lower part of the push rod spring is provided with a sealing piece made of rubber material, the air chamber and the cam area can be isolated, and a hole on the sealing piece is in interference fit with the seed pushing rod, but can move in a small extent under the action of external force under the condition of not affecting sealing. In order to axially limit the seed pushing rod, a wide circumferential baffle plate is arranged at the upper part of the seed pushing rod in the air chamber, and the seed pushing rod is divided into two parts which are connected through threads, so that the seed pushing rod is convenient to install.
The special-shaped cams with specific shapes are connected to the sowing wheel cover, the special-shaped cams are key mechanisms for controlling the movement of the seed pushing rod, the profile curves of the special-shaped cams are strictly calculated, the seed pushing rod can push seeds out more quickly by adopting an initial curve with larger inclination, the seed pushing rod is just flush with a hole sowing needle when reaching the lowest point, the seed pushing rod can be pushed out without being damaged by soil extrusion, and then a section of circular arc with the same diameter is arranged, so that the seed pushing rod is at the foremost part, and the main purpose is to block a space and prevent soil from entering; after the hole-digging seeding needle leaves the soil, the seed pushing rod returns to the original position, then for further cleaning the cavity, the soil is prevented from being brought in, the seed pushing rod is pushed out again, the soil returns after the soil is discharged, the soil in the hole-digging seeding needle can be effectively discharged in a two-stroke soil discharging operation mode, the inside is kept clean, and normal seed sucking operation can be carried out after the normal seed sucking operation is ensured.
In a broad embodiment of the invention: the needle type seed external hole-punching precision sowing mechanism mainly comprises a hole-punching sowing wheel 1, a seed pushing rod 5, a sowing wheel control mechanism, an air chamber 4, a sowing wheel cover 11, an air chamber locking device and the like.
The hole-digging sowing wheel 1 is of a hollow cylindrical structure, the center of the cylinder is a sowing wheel center area, hole-digging sowing needles 2 are evenly emitted from the center area to the periphery until a certain distance is formed outside the hole-digging sowing wheel 1, and the hole-digging sowing wheels are divided into three rows. The outermost portion of the central region includes a clasp groove 3 which cooperates with a clasp boss 14 to assist in positioning the two against shaft deflection. And a plurality of air chambers 4 are uniformly distributed on the circumference inside, the air chambers 4 are communicated with the air passages inside each hole sowing needle 2, and the obtained negative pressure can be ensured to be transmitted to the top end of each hole sowing needle 2, so that each hole sowing needle 2 can pick seeds from a seed box. However, it should be noted that the distance between the air chambers 4 is not so small that communication between the air passages is generated due to the existence of the air passages, so that the time for stopping air supply is delayed, and the seed dropping is affected. The other circle is a sowing wheel control mechanism which mainly comprises a push rod head 9, a push rod spring 10 and a sealing piece below the push rod spring 10. The pusher head 9 is used to enable the seed-pushing rod 5 to take power from the profiled cam 17 more smoothly, and the pusher spring 10 ensures recovery of the seed-pushing rod 5 for a return spring. The sealing piece is made of flexible material and does not influence the movement of the seed pushing rod 5, and the sealing piece separates the air chamber 4 from the inner space to prevent air leakage. At the most central part of the central area is a bearing housing 8 for mounting the bearing.
The inside of each hole-punching seed sowing needle 2 is of a hollow structure, a seed pushing rod 5 is arranged in the hole-punching seed sowing needle, and the head of the seed pushing rod 5 is provided with a groove, so that seeds can be protected; when the pushing rod head 9 is pressed by the special-shaped cam 17, the pre-tightening force of the pushing rod spring 10 is overcome, the seed pushing rod 5 is pushed out, and the seed pushing rod 5 can push out seeds and clean the inner space of the seed pushing rod 5.
The seeding wheel cover 11 can be matched and installed on the central area of the seeding wheel, the seeding wheel cover 11 can be tightly attached to the boss of the central area of the seeding wheel by means of the air chamber locking device, the effects of the pressing air grooves 15 and the air chambers 4 can be achieved, air leakage is prevented, the seeding wheel cover 11 is made of organic materials, the friction coefficient is reduced, and the rotation resistance is reduced. The air groove 15 is positioned on the seeding wheel cover 11, is in a cylindrical extension hole, covers approximately 2/3 of the area, ensures that when the hole-making seeding needle 2 reaches the seeding position, the negative pressure disappears, the seed falling is avoided, and when the hole-making seeding needle 2 enters the seed box and reaches the seeding position, the negative pressure is all present and stable, the seeds can be picked up, and no seed falling loss exists in the rotation process of the hole-making seeding wheel 1. The air chamber locking device comprises a sowing wheel cover spring 13 and a pre-tightening bolt 6, wherein the sowing wheel cover spring 13 is pressed between the sowing wheel cover 11 and the pre-tightening bolt 6, and provides pressure required by locking the air chamber 4 for the sowing wheel cover 11; the pre-tightening bolt 6 is arranged on the shaft 7, the outer end of the shaft 7 is provided with threads, and the pre-tightening bolt 6 is matched with the shaft 7, so that the pre-tightening force can be adjusted. The lower right part of the sowing wheel cover 11 is provided with a circular air hole 12, and the air pipe is connected with a fan during operation to provide negative pressure for the air chamber 4.
The abnormal-shaped cams 17 are distributed at the eccentric positions of the sowing wheel cover 11, and the abnormal-shaped cams 17 are more protruding in shape and are in irregular shape in order to avoid interference with the bearing seat 8. The track of the special-shaped cam 17 is calculated, so that the seed pushing rod 5 can be pushed out rapidly at a proper time, and the front end of the seed pushing rod is kept to form a occupying space for the inner space of the hole-punching sowing needle 2 when the seed pushing rod is in an underground area, so that excessive soil is prevented from entering, the seed pushing rod is retracted rapidly after the soil is unearthed, and is ejected out of the hole-punching sowing needle, the inner space of the hole-punching sowing needle 2 is cleaned secondarily, and the blockage can be effectively avoided.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (5)
1. A seed metering cleaning mechanism of a hole digging seeding wheel, comprising: the seeding wheel (1) of punching a hole, seeding wheel control mechanism, air chamber (4), seeding wheel cover (11) and air chamber locking device, its characterized in that: the middle part of the hole-punching sowing wheel (1) is provided with a hole-punching sowing wheel control mechanism, a sowing wheel cover (11) for sealing an air chamber (4) of the hole-punching sowing wheel (1) is connected to the middle part of the hole-punching sowing wheel, hole-punching sowing needles (2) are uniformly radiated outside the center of the hole-punching sowing wheel (1), the center part of the hole-punching sowing wheel (1) is divided into an air chamber area and a cam area, the sowing wheel cover (11) is connected with a frame through a connecting rod, the sowing wheel cover (11) and the center part of the hole-punching sowing wheel (1) can be combined in a relatively rotating way, the two are tightly matched to enable the air chamber (4) to be closed, and the closed structure also comprises an air chamber locking device;
the top end of the hole-punching seeding needle (2) is provided with a seed sucking groove, the hole-punching seeding needle (2) is hollow, the hollow hole-punching seeding needle (2) is internally provided with a seed pushing rod (5), the upper part of the seed pushing rod (5) is provided with a hemispherical push rod head (9), the lower end head of the seed pushing rod (5) is provided with a groove, and when the push rod head (9) is pressed by a special-shaped cam (17), the pretightening force of a push rod spring (10) is overcome;
the hole sowing seed wheel control mechanism mainly comprises a push rod head (9), a push rod spring (10) and a sealing sheet below the push rod spring (10), wherein the sealing sheet separates an air chamber (4) from an inner space, is made of flexible materials, and is provided with a bearing seat (8) at the most central part of a central area for installing a bearing;
the lower part of the push rod head (9) is provided with a push rod spring (10) which can return the seed pushing rod (5), the lower part of the push rod spring (10) is provided with a sealing sheet made of rubber material, the air chamber (4) is isolated from the cam area, and the seed pushing rod (5) is divided into two parts connected through threads;
the eccentric position of the sowing wheel cover (11) is distributed with a special-shaped cam (17), the special-shaped cam (17) is not interfered with the bearing seat (8), the special-shaped cam (17) is matched with the seed pushing rod (5), the seed pushing rod (5) is kept at the forefront end in the underground area to occupy the inner space of the hole-punching sowing needle (2), and the seed pushing rod (5) is retracted rapidly and ejected again after being unearthed;
the special-shaped cam (17) adopts an initial curve with larger inclination to enable the seed pushing rod (5) to push out seeds more quickly, the seed pushing rod (5) is just flush with the hole sowing needle (2) when reaching the lowest point, then an arc with the same diameter is arranged on the front part, the seed pushing rod (5) is guaranteed to be at the forefront part, after the hole sowing needle (2) leaves the soil, the seed pushing rod (5) returns to the original position, and then the seed pushing rod (5) is pushed out again, and the return after the soil discharge is completed.
2. The seed metering cleaning mechanism of a hole sowing wheel as set forth in claim 1, wherein: the hole-punching seeding wheel (1) is of a hollow cylindrical structure, the center of the cylinder is a central area of the hole-punching seeding wheel (1), hole-punching seeding needles (2) are evenly emitted from the central area to the periphery until the outside of the hole-punching seeding wheel (1), and an air hole (12) which can be inserted into an air pipe is formed in the lower left corner of the seeding wheel cover (11).
3. The seed metering cleaning mechanism of a hole sowing wheel as set forth in claim 1, wherein: the air chambers (4) of the air chamber area are in the shape of a circle of arc-shaped extension holes, and a plurality of air chambers (4) share one extension hole.
4. A seed metering cleaning mechanism for a hole sowing wheel as claimed in claim 1 or 3, wherein: the central parts of the sowing wheel cover (11) and the hole sowing wheel (1) are used for sealing the air chamber (4), the sealing structure also comprises an air chamber locking device, the air chamber locking device comprises a sowing wheel cover (11) spring and a pre-tightening nut, and the pre-tightening force is adjusted by adjusting the pre-tightening nut.
5. The seed metering cleaning mechanism of a hole sowing wheel as set forth in claim 1, wherein: the sowing wheel cover (11) is matched and installed on the central area of the hole sowing wheel (1), the sowing wheel cover (11) is tightly attached to a boss of the central area of the hole sowing wheel (1), the sowing wheel cover (11) is pressed with the air groove (15) to be sealed with the air chamber (4), the air groove (15) is positioned on the sowing wheel cover (11), and the shape of the air groove is a cylindrical extension hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026931.7A CN108243677B (en) | 2018-01-11 | 2018-01-11 | Seed metering cleaning mechanism of hole digging sowing wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026931.7A CN108243677B (en) | 2018-01-11 | 2018-01-11 | Seed metering cleaning mechanism of hole digging sowing wheel |
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| Publication Number | Publication Date |
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| CN108243677A CN108243677A (en) | 2018-07-06 |
| CN108243677B true CN108243677B (en) | 2024-03-15 |
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| CN201810026931.7A Active CN108243677B (en) | 2018-01-11 | 2018-01-11 | Seed metering cleaning mechanism of hole digging sowing wheel |
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| US20210161062A1 (en) * | 2019-12-03 | 2021-06-03 | Underground Agriculture Company, LLC | Rotating ground driven high speed precision vacuum planter with seed injection teeth |
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