CN106211884B - Synchronous low pressure circumference driven sucking precise seeder - Google Patents
Synchronous low pressure circumference driven sucking precise seeder Download PDFInfo
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- CN106211884B CN106211884B CN201610821853.0A CN201610821853A CN106211884B CN 106211884 B CN106211884 B CN 106211884B CN 201610821853 A CN201610821853 A CN 201610821853A CN 106211884 B CN106211884 B CN 106211884B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Soil Sciences (AREA)
- Environmental Sciences (AREA)
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Abstract
The invention belongs to agricultural machinery technological field, and in particular to a kind of synchronous low pressure circumference driven sucking precise seeder.The feed mechanism for seed includes back casing (1), rear air chamber disk (2), sprocket wheel (3), bearing (4), air inlet pipe (5), discharge plate (6), preceding air chamber disk (7), procapsid (8), Seed-cleaning tool (9), plants case (10), seed-storage box (11), unloads kind of knife tabletting (12) and unload kind of a knife (13).Discharge plate of the present invention is fixedly connected with air chamber, reduces the atmospheric pressure lost caused by relative rotation, and component wear；Feed mechanism for seed fills kind by seed gravity and air pressure, and kind of a performance is filled in improvement, reduces air pressure demand；Air inlet pipe integrated design, air-flow are directly entered air chamber, avoid to greatest extent because windage loss caused by connection.
Description
Technical field
The invention belongs to agricultural machinery technological field, and in particular to a kind of synchronous low pressure circumference driven sucking precise seeder.
Background technology
Seeder is a kind of important agricultural equipment, has significant impact to agricultural production.And feed mechanism for seed is as seeder
Core work part, directly affect the effect of seeding operation.The use of more feed mechanism for seed is mostly in the world at present Pneumatic type seeding
There is homework precision height, speed of drilling to require low, mechanical oscillation to seeding shadow soon, to seed appearance and size for device, such feed mechanism for seed
Ring the advantages of small.
Current domestic air-suction seeding unit is in the starting stage, and structure is more by the way of discharge plate and chamber relatively rotate
Operation, fill kind of type hole and be located at seeding card, fill kind of a whole dependence air pressure, such as：A kind of air-suction seeding unit on seeder,
Chinese utility model Authorization Notice No. CN202374677U；The air-suction seeding unit of compound discharge plate, Chinese utility model mandate
Notification number CN201057704Y；Double-cavity intermediate-transmission air-suction type seed sowing, Chinese utility model Authorization Notice No.
CN201499441U；The working method relatively rotated using discharge plate with chamber.This discharge plate relatively rotates with chamber
Working method sealing effectiveness is poor, big to blast demand, operation consumption is high.
The content of the invention
In order to overcome disadvantage mentioned above, it is an object of the invention to provide a kind of compact-sized reasonable, stable and reliable in work, right
Blast demand is low, discharge plate assists to fill the synchronous low pressure circumference driven sucking precise of kind with air chamber without relative motion, gravity and blast
Seeder.
To achieve these goals, the invention provides following technical scheme：
The present invention provides a kind of synchronous low pressure circumference driven sucking precise seeder, and the feed mechanism for seed includes back casing 1, rear air
Room disk 2, sprocket wheel 3, bearing 4, air inlet pipe 5, discharge plate 6, preceding air chamber disk 7, procapsid 8, Seed-cleaning tool 9, plants case 10, seed-storage box
11st, unload kind of knife tabletting 12 and unload kind of knife 13；
Procapsid 8 is disc, and its outer rim has been arranged symmetrically hinged ear 801 and fixed ear 802；
The cross section of the back casing 1 is in inverted "convex" shape, has first chamber and second chamber；First chamber side wall
103 upper and lower parts are respectively arranged with seed inlet 105, sowing port 107；In the inner side of first chamber side wall 103, the seed inlet
105 lower edge and the lower edge of sowing port 107 are respectively arranged with seed inlet catch 104 and unload kind of a mouth catch 106；In the first chamber
The outside of room side wall 103 is provided with the single connection ear 108 corresponding with the fixed ear of procapsid 8 802；Single connection ear 108 is with consolidating
Determine ear 802 to connect；The outside of first chamber side wall 103 is provided with seed-storage box engaging lug 109；
Second chamber home position is provided with air inlet pipe mounting seat 102；Air inlet pipe mounting seat 102 is provided with receiving air inlet pipe
5 through hole；Chain wheel drive mouth 110 is offered in second chamber side wall 101；
The sprocket wheel 3 is arranged in the second chamber of back casing 1, and is made up of and is rotated bearing 4 and air inlet pipe mounting seat 102
Connection；
The Seed-cleaning tool 9 is fixed in the inner side of first chamber side wall 103, positioned at the top edge of seed inlet 105；
The air inlet pipe 5 is a cylindrical pipe, and its one end has air inlet pipe mounting ring 501；Air inlet pipe 5 inserts air inlet pipe peace
In the through hole for filling seat 102, and it is fixedly connected by air inlet pipe mounting ring 501 with air inlet pipe mounting seat 102；The air inlet pipe installation
Ring 501 and the contact surface of air inlet pipe mounting seat 102 are provided with air inlet pipe neck 502, and another side is provided with tabletting mounting groove 503；
The chassis surface of air chamber disk 2 is provided with discharge plate mounting ring 203 close to edge after described；Air chamber disk 2 afterwards
Chassis circle centre position offer rear air chamber air through hole 202；The edge of air chamber air through hole 202 is provided with air chamber afterwards
Neck 201；The chassis of air chamber disk 2 is fixed on sprocket wheel 3 afterwards, and air chamber neck 201 cooperates with air inlet pipe neck 502 to be held in the mouth
Connect；
For the discharge plate 6 in annular shape, it includes rear surface 601, front face 602 and discharge plate side wall 603；Rear surface
601st, discharge plate side wall 603 and front face 602 collectively form ring-type and plant groove 604 clearly；It is radially uniform in the discharge plate side wall 603
Arrange multiple type holes 605；
The discharge plate 6 is fixed in the outside of discharge plate mounting ring 203 of rear air chamber disk 2；The bottom of the preceding air chamber disk 7
Disk circle centre position is provided with preceding air chamber boss 701；Preceding air chamber disk 7 is fixedly connected with the front face 602 of discharge plate 6；It is empty after described
Air chamber disk 2, discharge plate 6 and preceding air chamber disk 7 collectively form air chamber；
Described to unload kind of knife tabletting 12 be in " Z " font, and its one end is fixed in the tabletting mounting groove 503 of air inlet pipe 5, the other end
It is connected with unloading kind of knife 13；Kind of the knife 13 that unloads is arranged at the bottom of discharge plate 6, plants groove clearly corresponding to the sowing port 107 of back casing 1
In 604, and fitted with the inwall of discharge plate side wall 603, cover type hole 605；
The seed-storage box 11 includes plants case installing plate 112, the first side plate 111, fixed plate 113, unloads kind of plate 114, the second side
Plate 117 and baffle plate 119；
First side plate 111 be arranged in parallel with the second side plate 117, and both top end faces, which are respectively perpendicular, is fixed in plants case installing plate
112 lower surface；The upper surface of plants case installing plate 112 and the bottom of plants case 10 are affixed；The middle part of plants case installing plate 112 is provided with and planted
Case 10 goes out the corresponding breach of kind of mouth；
First side plate 111 and the second side plate 117 towards the end face of back casing 1 be circular arc, and with the first chamber of back casing 1
Room side wall 103 has same diameter；Plants case installing plate 112, the circular arc end face of the first side plate 111, the circular arc of the second side plate 117
Shape end face and the vertical baffle plate 119 being fixed between the first side plate 111 and the second side plate 117, are collectively formed and back casing 1
The seeding chamber that seed inlet 105 matches；Seed-storage box engaging lug 109 is affixed with the first side plate 111 and the second side plate 117 respectively；
The top of fixed plate 113 and the lower surface of plants case installing plate 112 are affixed, the both sides of fixed plate 113 and the first side plate
111 and second side plate 117 it is affixed；First side plate 111, the second side plate 117, fixed plate 113 and baffle plate 119 collectively form and unload kind
Mouthful, unload to be provided with kind of mouth and unload kind of plate 114；Kind of plate 114 is unloaded by bearing pin 115 and torsion spring 116 to coordinate, with the first side plate 111 and
Second side plate 117 is be hinged, and elastic fit is in fixed plate 113 and baffle plate 119；
The outside of first side plate 111 is provided with procapsid mounting ear 118, and procapsid mounting ear 118 is be hinged with procapsid 8
Ear 801 is be hinged.
Kind of the knife 13 that unloads is one section of annulus, and the inwall of its external arc and discharge plate side wall 603 fits.
Kind of the knife 13 that unloads is in gear-like, and the shape of its gear teeth is corresponding with the shape of type hole 605；Its two neighboring gear teeth
Between arc length be equal to two neighboring type hole 605 between arc length.
Compared with prior art, the beneficial effects of the present invention are：
1. discharge plate is fixedly connected with air chamber, the atmospheric pressure lost caused by relative rotation, and component wear are reduced；
2. feed mechanism for seed fills kind by seed gravity and air pressure, kind of a performance is filled in improvement, reduces air pressure demand；
3. air inlet pipe integrated design, air-flow is directly entered air chamber, avoids to greatest extent because gas caused by connection
Stream loss.
Brief description of the drawings
Fig. 1 is synchronous low pressure circumference driven sucking precise seeder front view；
Fig. 2 is Fig. 1 B-B direction sectional view；
Fig. 3 is synchronous low pressure circumference driven sucking precise seeder decomposition texture schematic diagram；
Fig. 4 is the structural representation of back casing 1；
Fig. 5 is Fig. 4 D-D to sectional view；
Fig. 6 is the axonometric drawing of back casing 1；
Fig. 7 is the structural representation of air inlet pipe 5；
Fig. 8 is the axonometric drawing of air inlet pipe 5；
Fig. 9 is the sectional view of rear air chamber disk 2；
Figure 10 is the axonometric drawing of rear air chamber disk 2；
Figure 11 is the structural representation of discharge plate 6；
Figure 12 is Figure 11 E-E to sectional view；
Figure 13 is a kind of structural representation for unloading kind of knife 13；
Figure 14 is another structural representation for unloading kind of knife 13；
Figure 15 is the axonometric drawing of seed-storage box 10；
Figure 16 is the decomposition texture schematic diagram of seed-storage box 10.
Reference therein is：
The second chamber side wall of 1 back casing 101
The first chamber side wall of 102 air inlet pipe mounting seat 103
The seed inlet of 104 seed inlet catch 105
106 unload kind of the sowing port of mouth catch 107
The seed-storage box engaging lug of 108 single connection ear 109
Air chamber disk after 110 chain wheel drive mouths 2
Air chamber air through hole after 201 air chamber necks 202
The sprocket wheel of 203 discharge plate mounting ring 3
The air inlet pipe of 4 bearing 5
The air inlet pipe neck of 501 air inlet pipe mounting ring 502
The discharge plate of 503 tabletting mounting groove 6
The front face of 601 rear surface 602
603 discharge plate side walls 604 plant clearly groove
Air chamber disk before 605 type holes 7
The procapsid of air chamber boss 8 before 701
The fixed ear of 801 hinged ear 802
The plants case of 9 Seed-cleaning tool 10
The side plate of 11 seed-storage box 111 first
The fixed plate of 112 plants case installing plate 113
114 unload the bearing pin of kind of plate 115
The side plate of 116 torsion spring 117 second
The baffle plate of 118 procapsid mounting ear 119
12, which unload kind of a knife tabletting 13, unloads kind of a knife
Embodiment
The present invention is further described with reference to embodiment.
As shown in FIG. 1 to 3, the synchronous low pressure circumference driven sucking precise seeder of the present invention includes back casing 1, rear air chamber
Disk 2, sprocket wheel 3, bearing 4, air inlet pipe 5, discharge plate 6, preceding air chamber disk 7, procapsid 8, Seed-cleaning tool 9, plants case 10, seed-storage box 11,
Unload kind of knife tabletting 12 and unload kind of knife 13.
As shown in figure 3, procapsid 8 is disc, its outer rim has been arranged symmetrically hinged ear 801 and fixed ear 802.
As shown in Fig. 4~Fig. 6, the cross section of the back casing 1 is in inverted "convex" shape, has first chamber and the second chamber
Room；The upper and lower part of first chamber side wall 103 is respectively arranged with seed inlet 105, sowing port 107；In first chamber side wall 103
Inner side, the lower edge of the seed inlet 105 and the lower edge of sowing port 107 are respectively arranged with seed inlet catch 104 and unload kind of a mouth
Catch 106.The single connection ear 108 corresponding with the fixed ear of procapsid 8 802 is provided with the outside of first chamber side wall 103；
Single connection ear 108 is connected with fixed ear 802.Seed-storage box engaging lug 109 is additionally provided with the outside of first chamber side wall 103.
Second chamber home position is provided with air inlet pipe mounting seat 102；Air inlet pipe mounting seat 102 is provided with receiving air inlet pipe
5 through hole.Chain wheel drive mouth 110 is offered in second chamber side wall 101.
The sprocket wheel 3 is arranged in the second chamber of back casing 1, and is made up of and is rotated bearing 4 and air inlet pipe mounting seat 102
Connection.
The Seed-cleaning tool 9 is fixed in the inner side of first chamber side wall 103, positioned at the top edge of seed inlet 105.
As shown in Figure 7 and Figure 8, the air inlet pipe 5 is a cylindrical pipe, and its one end has air inlet pipe mounting ring 501.Air inlet
Pipe 5 is inserted in the through hole of air inlet pipe mounting seat 102, and is fixed and connected by air inlet pipe mounting ring 501 and air inlet pipe mounting seat 102
Connect.The contact surface of the air inlet pipe mounting ring 501 and air inlet pipe mounting seat 102 is provided with air inlet pipe neck 502, and another side is set
There is tabletting mounting groove 503.
As shown in Figure 9 and Figure 10, the chassis surface of the rear air chamber disk 2 is provided with discharge plate mounting ring close to edge
203；The chassis circle centre position of air chamber disk 2 offers rear air chamber air through hole 202 afterwards；The side of air chamber air through hole 202 afterwards
Air chamber neck 201 is provided with edge；The chassis of air chamber disk 2 is fixed on sprocket wheel 3 afterwards, air chamber neck 201 and air inlet pipe
Neck 502 cooperates, and reduces atmospheric pressure lost.
As is illustrated by figs. 11 and 12, for the discharge plate 6 in annular shape, it includes rear surface 601, front face 602 and seeding
Disk side wall 603.Rear surface 601, discharge plate side wall 603 and front face 602 collectively form ring-type and plant groove 604 clearly.The discharge plate
The radially uniform multiple type holes 605 of arrangement in side wall 603.
The discharge plate 6 is fixed in the outside of discharge plate mounting ring 203 of rear air chamber disk 2；The bottom of the preceding air chamber disk 7
Disk circle centre position is provided with preceding air chamber boss 701.Preceding air chamber disk 7 is fixedly connected with the front face 602 of discharge plate 6；It is empty after described
Air chamber disk 2, discharge plate 6 and preceding air chamber disk 7 collectively form air chamber.Preceding air chamber boss 701 is located in air chamber, reduces empty
The gas interior space, the air pressure at type hole 605 is increased, improve feed mechanism for seed and fill kind of a performance.
Described to unload kind of knife tabletting 12 be in " Z " font, and its one end is fixed in the tabletting mounting groove 503 of air inlet pipe 5, the other end
It is connected with unloading kind of knife 13.Kind of the knife 13 that unloads is arranged at the bottom of discharge plate 6, plants groove clearly corresponding to the sowing port 107 of back casing 1
In 604, and fitted with the inwall of discharge plate side wall 603, cover type hole 605.
Preferably, as shown in figure 13, kind of the knife 13 that unloads is one section of annulus, and its external arc is interior with discharge plate side wall 603
Wall fits.
Preferably, as shown in figure 14, kind of the knife 13 that unloads is in gear-like, the shape of its gear teeth and the shape phase of type hole 605
It is corresponding, it is completely obscured type hole 605；Arc length between its two neighboring gear teeth is equal to the arc between two neighboring type hole 605
It is long.
As shown in Figure 15 and Figure 16, the seed-storage box 11 include plants case installing plate 112, the first side plate 111, fixed plate 113,
Unload kind of plate 114, the second side plate 117 and baffle plate 119.
First side plate 111 be arranged in parallel with the second side plate 117, and both top end faces, which are respectively perpendicular, is fixed in plants case installing plate
112 lower surface；The upper surface of plants case installing plate 112 and the bottom of plants case 10 are affixed.The middle part of plants case installing plate 112 is provided with and planted
Case 10 goes out the corresponding breach of kind of mouth.
First side plate 111 and the second side plate 117 towards the end face of back casing 1 be circular arc, and with the first chamber of back casing 1
Room side wall 103 has same diameter；Plants case installing plate 112, the circular arc end face of the first side plate 111, the circular arc of the second side plate 117
Shape end face and the vertical baffle plate 119 being fixed between the first side plate 111 and the second side plate 117, are collectively formed and back casing 1
The seeding chamber that seed inlet 105 matches.Seed-storage box engaging lug 109 is affixed with the first side plate 111 and the second side plate 117 respectively.
The top of fixed plate 113 and the lower surface of plants case installing plate 112 are affixed, the both sides of fixed plate 113 and the first side plate
111 and second side plate 117 it is affixed；First side plate 111, the second side plate 117, fixed plate 113 and baffle plate 119 collectively form and unload kind
Mouthful, unload to be provided with kind of mouth and unload kind of plate 114；Kind of plate 114 is unloaded by bearing pin 115 and torsion spring 116 to coordinate, with the first side plate 111 and
Second side plate 117 is be hinged, and elastic fit is in fixed plate 113 and baffle plate 119.
The outside of first side plate 111 is provided with procapsid mounting ear 118, and procapsid mounting ear 118 is be hinged with procapsid 8
Ear 801 is be hinged.
The course of work of the present invention is as follows：
During work, negative-pressure air-flow is entered by air inlet pipe 5 to be made up of rear air chamber disk 2, discharge plate 6 and preceding air chamber disk 7
Closed air chamber, and with forming draught head outside air chamber in air chamber.Seed is entered seed-storage box 11 by plants case 10 and passed through
Seed inlet 105 enters inside feed mechanism for seed.In the presence of seed inlet catch 104, seed the upper end of seed inlet catch 104, enter kind
The population contacted with the discharge plate side wall 603 of discharge plate 6 is formed at mouth 105, seed is in the presence of self gravitation and draught head
Absorption is in type hole 605.Each type hole 605 may adsorb one or more seeds, and discharge plate 6 rotates under the drive of sprocket wheel 3,
With the rotation of discharge plate 6, adsorbed seed is taken at Seed-cleaning tool 9 by discharge plate 6, and seed is in the presence of Seed-cleaning tool 9, place
Adsorb tighter by draught head in the seed of the vantage point of type hole 605, the seed in unfavorable position departs from the effect of draught head,
Population is dropped back under gravity, and each type hole 605 leaves a seed.With being rotated further for discharge plate 6, seed is brought to
Unload at kind of knife 13, unload each gear teeth of kind of knife 13, a corresponding type hole 605, unloaded when seed turns at kind of knife 13, unload kind of knife 13
The gear teeth cover type hole 605, and seed is ejected into type hole 605, and now seed loses absorption affinity, departs from seeding under gravity
Disk 6, feed mechanism for seed is left by sowing port 107, completes seeding process.
After the end of job, remaining seed is emptied by way of opening and unloading kind of plate 114 in plants case 10 and seed-storage box 11.
Claims (3)
- A kind of 1. synchronous low pressure circumference driven sucking precise seeder, it is characterised in that：The feed mechanism for seed includes back casing (1), rear sky Air chamber disk (2), sprocket wheel (3), bearing (4), air inlet pipe (5), discharge plate (6), preceding air chamber disk (7), procapsid (8), Seed-cleaning tool (9), plants case (10), seed-storage box (11), unload kind of knife tabletting (12) and unload kind of a knife (13)；Procapsid (8) is disc, and its outer rim has been arranged symmetrically hinged ear (801) and fixed ear (802)；The cross section of the back casing (1) is in inverted "convex" shape, has first chamber and second chamber；First chamber side wall (103) upper and lower part is respectively arranged with seed inlet (105), sowing port (107)；In the inner side of first chamber side wall (103), institute The lower edge of the lower edge and sowing port (107) of stating seed inlet (105) is respectively arranged with seed inlet catch (104) and unloads kind of a mouth gear Piece (106)；The single connection corresponding with the fixed ear of procapsid (8) (802) is provided with the outside of first chamber side wall (103) Ear (108)；Single connection ear (108) is connected with fixed ear (802)；Seed-storage box is provided with the outside of first chamber side wall (103) Engaging lug (109)；Second chamber home position is provided with air inlet pipe mounting seat (102)；Air inlet pipe mounting seat (102) is provided with receiving air inlet pipe (5) through hole；Chain wheel drive mouth (110) is offered in second chamber side wall (101)；The sprocket wheel (3) is arranged in back casing (1) second chamber, and is made up of bearing (4) and air inlet pipe mounting seat (102) Rotation connection；The Seed-cleaning tool (9) is fixed on the inside of first chamber side wall (103), positioned at seed inlet (105) top edge；The air inlet pipe (5) is a cylindrical pipe, and its one end has air inlet pipe mounting ring (501)；Air inlet pipe (5) inserts air inlet pipe In the through hole of mounting seat (102), and it is fixedly connected by air inlet pipe mounting ring (501) with air inlet pipe mounting seat (102)；It is described enter The contact surface of tracheae mounting ring (501) and air inlet pipe mounting seat (102) is provided with air inlet pipe neck (502), and another side is provided with Tabletting mounting groove (503)；The chassis surface of air chamber disk (2) is provided with discharge plate mounting ring (203) close to edge after described；Air chamber disk afterwards (2) chassis circle centre position offers rear air chamber air through hole (202)；The edge of air chamber air through hole (202) is set afterwards There is air chamber neck (201)；The chassis of air chamber disk (2) is fixed on sprocket wheel (3) afterwards, air chamber neck (201) and air inlet pipe Neck (502), which cooperates, to be connected；For the discharge plate (6) in annular shape, it includes rear surface (601), front face (602) and discharge plate side wall (603)；Rear wall Face (601), discharge plate side wall (603) and front face (602) collectively form ring-type and plant groove (604) clearly；The discharge plate side wall (603) the radially uniform multiple type holes (605) of arrangement on；The discharge plate (6) is fixed on the outside of the discharge plate mounting ring (203) of rear air chamber disk (2)；The preceding air chamber disk (7) Chassis circle centre position be provided with preceding air chamber boss (701)；Preceding air chamber disk (7) and the fixed company of front face (602) of discharge plate (6) Connect；Air chamber disk (2), discharge plate (6) and preceding air chamber disk (7) collectively form air chamber after described；Described to unload kind of knife tabletting (12) be in " Z " font, and its one end is fixed in the tabletting mounting groove (503) of air inlet pipe (5), another Hold and unload kind of a knife (13) connection；Kind of the knife (13) that unloads is arranged at discharge plate (6) corresponding to the sowing port (107) of back casing (1) Bottom, plant in groove (604) clearly, and fitted with the inwall of discharge plate side wall (603), masking type hole (605)；The seed-storage box (11) include plants case installing plate (112), the first side plate (111), fixed plate (113), unload kind of a plate (114), Second side plate (117) and baffle plate (119)；First side plate (111) be arranged in parallel with the second side plate (117), and both top end faces, which are respectively perpendicular, is fixed in plants case installing plate (112) lower surface；The upper surface of plants case installing plate (112) and the bottom of plants case (10) are affixed；In the middle part of plants case installing plate (112) It is provided with the breach that to go out kind of mouth corresponding with plants case (10)；First side plate (111) and the second side plate (117) towards the end face of back casing (1) be circular arc, and with the of back casing (1) One chamber sidewall (103) has same diameter；Plants case installing plate (112), the circular arc end face of the first side plate (111), the second side The circular arc end face of plate (117) and the vertical baffle plate (119) being fixed between the first side plate (111) and the second side plate (117), Collectively form the seeding chamber to match with the seed inlet of back casing (1) (105)；Seed-storage box engaging lug (109) respectively with the first side Plate (111) and the second side plate (117) are affixed；The top of fixed plate (113) and the lower surface of plants case installing plate (112) are affixed, both sides and the first side of fixed plate (113) Plate (111) and the second side plate (117) are affixed；First side plate (111), the second side plate (117), fixed plate (113) and baffle plate (119) Collectively form and unload kind of a mouth, unload to be provided with kind of mouth and unload kind of a plate (114)；Unload kind of a plate (114) and pass through bearing pin (115) and torsion spring (116) Coordinate, it is be hinged with the first side plate (111) and the second side plate (117), and elastic fit is in fixed plate (113) and baffle plate (119)；Procapsid mounting ear (118), procapsid mounting ear (118) and procapsid (8) are provided with the outside of first side plate (111) Hinged ear (801) is be hinged.
- 2. synchronous low pressure circumference driven sucking precise seeder according to claim 1, it is characterised in that：It is described to unload kind of a knife (13) it is one section of annulus, its external arc and the inwall of discharge plate side wall (603) fit.
- 3. synchronous low pressure circumference driven sucking precise seeder according to claim 1, it is characterised in that：It is described to unload kind of a knife (13) it is in gear-like, the shape of its gear teeth is corresponding with the shape of type hole (605)；Arc length between its two neighboring gear teeth is equal to Arc length between two neighboring type hole (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821853.0A CN106211884B (en) | 2016-09-13 | 2016-09-13 | Synchronous low pressure circumference driven sucking precise seeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821853.0A CN106211884B (en) | 2016-09-13 | 2016-09-13 | Synchronous low pressure circumference driven sucking precise seeder |
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| Publication Number | Publication Date |
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| CN106211884A CN106211884A (en) | 2016-12-14 |
| CN106211884B true CN106211884B (en) | 2018-02-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110622659A (en) * | 2018-06-21 | 2019-12-31 | 南京农业大学 | Air type combined seed sowing device with synchronously rotating seed discs and negative pressure air chambers |
| CN109845454B (en) * | 2019-03-08 | 2024-09-10 | 北京农业智能装备技术研究中心 | Wind pressure self-supporting seed metering device |
| CN111587637B (en) * | 2020-04-15 | 2021-07-23 | 华南农业大学 | Air-suction type seed sowing device |
| CN115443769B (en) * | 2022-09-20 | 2024-05-28 | 农业农村部南京农业机械化研究所 | Wheat single-grain precision planter with built-in seed picking device |
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| US5325801A (en) * | 1991-10-07 | 1994-07-05 | Matermacc S.R.L. | Precision-type single-seed pneumatic planter |
| CN202818939U (en) * | 2012-07-31 | 2013-03-27 | 河北省农业机械化研究所有限公司 | Circumferential hole air-aspiration type seed-metering device |
| CN203537803U (en) * | 2013-10-29 | 2014-04-16 | 内蒙古自治区农牧业机械技术推广站 | Peripheral slit air-suction seed sowing device |
| CN206042769U (en) * | 2016-09-13 | 2017-03-29 | 中国农业大学 | A kind of circumferential low pressure driven sucking precise seeder |
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- 2016-09-13 CN CN201610821853.0A patent/CN106211884B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5325801A (en) * | 1991-10-07 | 1994-07-05 | Matermacc S.R.L. | Precision-type single-seed pneumatic planter |
| CN202818939U (en) * | 2012-07-31 | 2013-03-27 | 河北省农业机械化研究所有限公司 | Circumferential hole air-aspiration type seed-metering device |
| CN203537803U (en) * | 2013-10-29 | 2014-04-16 | 内蒙古自治区农牧业机械技术推广站 | Peripheral slit air-suction seed sowing device |
| CN206042769U (en) * | 2016-09-13 | 2017-03-29 | 中国农业大学 | A kind of circumferential low pressure driven sucking precise seeder |
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