CN202183959U - Seed metering device of pneumatic hill-drop planter - Google Patents
Seed metering device of pneumatic hill-drop planter Download PDFInfo
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- CN202183959U CN202183959U CN2011203246062U CN201120324606U CN202183959U CN 202183959 U CN202183959 U CN 202183959U CN 2011203246062 U CN2011203246062 U CN 2011203246062U CN 201120324606 U CN201120324606 U CN 201120324606U CN 202183959 U CN202183959 U CN 202183959U
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Abstract
A seed metering device of a pneumatic hill-drop planter relates to a seed metering device for solving the problem that an existing hill-drop planter cannot be used for precision hill seeding. A cavity formed between a seed discharging plate and a seed discharger is a seed charging cavity, a rotary shaft is mounted in a rotary shaft mounting hole of the seed discharger and a square rotary shaft fixing hole of the seed discharging plate, a seed discharging cover is hermetically connected with the seed discharger, twenty to eighty seed suction holes are evenly distributed on the discharging plate, seed scrapers are evenly and fixedly mounted on the end face of the seed discharging plate on one side of the seed charging cavity, one end of a fixed shaft is connected with one end of a fourth-teeth arc plate, the other end of the fixed shaft is rotatably mounted on the front end face of the seed discharger, one end of a rotary eccentric shaft is connected with the other end of the fourth-teeth arc plate, the rotary eccentric shaft is rotatably mounted on a dial, the dial is fixedly connected to the rear end face of the seed discharger, one end of a rotating handle is mounted on the rotary eccentric shaft, a seed rotating pin is fixed on the seed discharger, and a seed separating pin is fixed on the seed discharger. The seed metering device is used for precision hill seeding.
Description
Technical field
The utility model relates to a kind of seeding unit, belongs to agricultural machinery technological field.
Background technology
Existing planter error at seeding time is bigger, can not accomplish that a cave is a kind of, through the phenomenon that multiple or hole, a cave appears in regular meeting, can't accomplish precision point sowing.
The utility model content
The purpose of the utility model provides a kind of air-sucking type planter seeding unit, can't accomplish the problem of precision point sowing at seeding time to solve existing planter.
The utility model is to address the above problem the technical scheme of taking to be: a kind of air-sucking type planter seeding unit of the utility model, and said seeding unit comprises seeding body, seeding lid, seed plate and rotating shaft; Seed plate places the inner chamber of seeding body, and the cavity that forms between seed plate and the seeding body is for filling kind of a chamber, and the center of seeding body is provided with the rotating shaft installing hole; The center of seed plate is provided with fixedly square hole of rotating shaft; Fixedly in the square hole, the seeding lid is connected with the seeding body is airtight in rotating shaft installing hole and the rotating shaft on the seed plate that rotating shaft is installed in the seeding body, at diameter on the seed plate is to be laid with 20～80 suction holes on the circumference of D2; Said D2=190mm, the diameter of said suction hole are 0.5～5.5mm; Said seeding unit comprises that also four tooth seed selectors, seed rotation pin, seed separate pin and 13 and scrape kind of a sheet; Said four tooth seed selectors comprise four tooth arcs, fixed axis, eccentric rotation axis, dial and turning handle; Be positioned on the seed plate on the end face that fills kind of chamber one side on diameter is the circumference of D3, to be uniformly distributed with and be installed with 13 and scrape kind of a sheet, said D3=160mm, an end of fixed axis is connected with an end of four tooth arcs; The other end of fixed axis is rotatably installed on the front end face of seeding body; One end of eccentric rotation axis is connected with the other end of four tooth arcs, and the other end of eccentric rotation axis passes the rear end face of seeding body, and eccentric rotation axis is rotatably installed on the dial; And the rear end face of dial and seeding body is affixed; One end of turning handle is installed on the eccentric rotation axis, and four teeth on the four tooth arcs are provided with down, and seed rotation pin is fixed on the seeding body; Seed separates pin and is fixed on the seeding body, and places the lower end in the seeding district of filling in kind of the chamber.
The effect of the utility model is: seeding unit precision point sowing when the utility model can guarantee to sow guarantees that a cave is a kind of, no hole or multiple phenomenon.Simultaneously, the utility model also has simple in structure, the service-strong characteristics.
Description of drawings
Fig. 1 is the front view of the utility model, for make view clear for the purpose of, the seeding lid does not draw; Fig. 2 is the rearview of Fig. 1, and Fig. 3 is the right view of Fig. 1, and Fig. 4 is the A-A cutaway view of Fig. 3; Fig. 5 is the front view of seeding lid, and Fig. 6 is the front view of four tooth arcs, and Fig. 7 is the front view of seed plate; Fig. 8 is the front view of seed rotation pin, and Fig. 9 is the left view of Fig. 8, and Figure 10 is the vertical view of Fig. 8; Figure 11 is the front view that seed separates pin 7, and Figure 12 is the left view of Figure 11, and Figure 13 is the vertical view of Figure 11.
Embodiment
Embodiment one: combine Fig. 1～Figure 13 explanation, a kind of air-sucking type planter seeding unit of this embodiment, said seeding unit comprise seeding body 1, seeding lid 2, seed plate 3 and rotating shaft 4; Seed plate 3 places the inner chamber of seeding body 1; The cavity that forms between seed plate 3 and the seeding body 1 is for filling kind of a chamber; The center of seeding body 1 is provided with the rotating shaft installing hole, and the center of seed plate 3 is provided with fixedly square hole of rotating shaft, and rotating shaft installing hole and the rotating shaft on the seed plate 3 that rotating shaft 4 is installed in seeding body 1 is fixedly in the square hole; Seeding lid 2 and 1 airtight connection of seeding body; At diameter on the seed plate 3 is to be laid with 20～80 suction hole 3-1 on the circumference of D2, and said D2=190mm, the diameter of said suction hole 3-1 are that 0.5～5.5mm (confirm by the size according to seed appearance and size; Broadcast different seeds and need join different seed plates), said seeding unit comprises that also four tooth seed selectors 5, seed rotation pin 6, seed separate pin 7 and 13 and scrape kind of sheet 8; Said four tooth seed selectors 5 comprise four tooth arc 5-1, fixed axis 5-2, eccentric rotation axis 5-3, dial 5-4 and turning handle 5-5; Be positioned on the seed plate 3 on the end face that fills kind of chamber one side on diameter is the circumference of D3, to be uniformly distributed with and be installed with 13 and scrape kind of sheet 8 (its effect is that seed is stirred, and is convenient to held by suction hole 3-1), said D3=160mm; The end of fixed axis 5-2 is connected with the end of four tooth arc 5-1; The other end of fixed axis 5-2 is rotatably installed on the front end face of seeding body 1, and the end of eccentric rotation axis 5-3 is connected with the other end of four tooth arc 5-1, and the other end of eccentric rotation axis 5-3 passes the rear end face of seeding body 1; Eccentric rotation axis 5-3 is installed on the dial 5-4; And the rear end face of dial 5-4 and seeding body 1 is affixed, and the end of turning handle 5-5 is installed on the eccentric rotation axis 5-3, and four teeth on the four tooth arc 5-1 are provided with down; Seed rotation pin 6 is fixed on the seeding body 1; Seed separates pin 7 and is fixed on the seeding body 1, and places the lower end (help seed to leave seed plate 3 and when negative pressure disappears, in time accurately fall the spacing in the rows that strict guarantee is consistent) in the seeding district of filling in kind of the chamber.
Embodiment two: combine Fig. 3～Fig. 5 explanation, the seeding body 1 of this embodiment is the aluminium alloy seeding unit, and seeding lid 2 is aluminium alloy seeding lid.Have indeformable, firm and slim and graceful, wear-resistant, to characteristics such as temperature sensitivity are low, these can guarantee that seeding unit after using for many years, can also keep higher sowing accuracy.Other is identical with embodiment one.
Embodiment three: combine Fig. 1 and Fig. 7 explanation, the seed plate 3 of this embodiment is the stainless steel seed plate.Have characteristics such as corrosion-resistant, indeformable, wear-resistant, intensity height.Other is identical with embodiment one or two.
Embodiment four: combine Fig. 1 and Fig. 4 explanation, the seeding of this embodiment cover 2 with seeding body 1 through 10 airtight connections of liner.Other is identical with embodiment one.
Embodiment five: combine Fig. 4 explanation, the liner 10 of this embodiment is a teflon gasket.Having corrosion-resistant, high-low temperature resistant, anti-aging, high-lubricity, characteristics that coefficient of friction is extremely low, is the optimal material of making liner.Other is identical with embodiment four.
Embodiment six: combine Fig. 7 explanation, the external diameter of the seed plate 3 of this embodiment is D1, said D1=220mm.Other is identical with embodiment one.
Embodiment seven: combine Fig. 1, Fig. 2 and Fig. 6 explanation; The upper surface of the said dial 5-4 of this embodiment is an arc surface; Scale on the dial 5-4 is set at 0～12 grade successively by below to the top of arc surface; When turning handle 5-5 was arranged on 1 grade, the suction hole 3-1 on the seed plate 3 was blocked fully, and all seeds break away from seed plate 3; When turning handle 5-5 was arranged on 12 grades, the suction hole 3-1 on the seed plate 3 is complete freely to be opened.According to the size of seed, the adjustment scale guarantees that each the suction hole 3-1 on the seed plate 3 has only a seed, the situation that two kinds in a hole must not be arranged and have no guts.Other is identical with embodiment one.
Embodiment eight: combine Fig. 6 explanation, the four tooth arc 5-1 of this embodiment are that four sectors mould flitch.Other is identical with embodiment seven.
Embodiment nine: combine Fig. 1 and Fig. 7～Figure 10 explanation; The seed rotation pin 6 of this embodiment is made up of the first connecting plate 6-1 that processes one, the second connecting plate 6-2 and modification of right-angled triangle plate 6-3; The first connecting plate 6-1 is with second connecting plate 6-2 is vertical is provided with; And the second connecting plate 6-2 is positioned at the end of the first connecting plate 6-1, and the straight sided of modification of right-angled triangle plate 6-3 and the bottom face of the second connecting plate 6-2 are affixed, and modification of right-angled triangle plate 6-3 is to direction and downward-sloping setting away from the first connecting plate 6-1; The first connecting plate 6-1 is fixed on the seeding body 1, and the distance of the suction hole 3-1 of the bottom of modification of right-angled triangle plate 6-3 and seed plate 3 is 1～3mm.Can the overturn seed of the suction hole 3-1 that is about to get into seed plate 3 prevents the space that seed is damaged and be consistent.Other is identical with embodiment one.
Embodiment ten: combine Fig. 1 and Figure 11～Figure 13 explanation, the cross section that the seed of this embodiment separates pin 7 is a rectangular shaped, and seed separates pin 7 and separates pin for the plastics seed.Other is identical with embodiment one.
Operation principle:
The top of seeding body 1 connects inoculating hood, and the bottom connects discharging tube, and seeding lid 2 is connected with blower fan, and rotating shaft 4 is connected with transmission mechanism through sprocket wheel 9 (sees Fig. 1～Fig. 3).When the air-sucking type planter was worked, seed leaned on gravity to flow in the seeding body 1 from kind of case, and blower fan makes the space between seeding lid 2 and the seed plate 3 form the region of no pressure; Seed plate 3 is with rotating shaft 4 rotations, because vacuum action, the suction hole 3-1 on the seed plate 3 holds seed; When seed got into the seeding district, because vacuum expendable pattern, seed separated under the acting in conjunction of pin 7 at gravity with seed; Break away from suction hole 3-1 and get in the discharging tube, because pitch-row equates that rotating speed is relevant with pace; So the spacing that seed buries equates, and a cave is a kind of, has accomplished precise hole sowing.
Claims (10)
1. air-sucking type planter seeding unit, said seeding unit comprise seeding body (1), seeding lid (2), seed plate (3) and rotating shaft (4); Seed plate (3) places the inner chamber of seeding body (1); The cavity that forms between seed plate (3) and the seeding body (1) is for filling kind of a chamber; The center of seeding body (1) is provided with the rotating shaft installing hole; The center of seed plate (3) is provided with fixedly square hole of rotating shaft, and rotating shaft installing hole and the rotating shaft on the seed plate (3) that rotating shaft (4) is installed in seeding body (1) be fixedly in the square hole, seeding lid (2) and airtight connection of seeding body (1); On the circumference that the last diameter of seed plate (3) is D2, be laid with 20～80 suction holes (3-1); Said D2=190mm, the diameter of said suction hole (3-1) is 0.5～5.5mm, it is characterized in that: said seeding unit comprises that also four tooth seed selectors (5), seed rotation pin (6), seed separate pin (7) and 13 and scrape kind of a sheet (8); Said four tooth seed selectors (5) comprise four tooth arcs (5-1), fixed axis (5-2), eccentric rotation axis (5-3), dial (5-4) and turning handle (5-5); Be positioned on the seed plate (3) on the end face that fills kind of chamber one side on diameter is the circumference of D3, to be uniformly distributed with and be installed with 13 and scrape kind of a sheet (8); Said D3=160mm; One end of fixed axis (5-2) is connected with an end of four tooth arcs (5-1), and the other end of fixed axis (5-2) is installed on the front end face of seeding body (1), and an end of eccentric rotation axis (5-3) is connected with the other end of four tooth arcs (5-1); The other end of eccentric rotation axis (5-3) passes the rear end face of seeding body (1); Eccentric rotation axis (5-3) is rotatably installed on the dial (5-4), and dial (5-4) is affixed with the rear end face of seeding body (1), and an end of turning handle (5-5) is installed on the eccentric rotation axis (5-3); Four teeth on the four tooth arcs (5-1) are provided with down; Seed rotation pin (6) is fixed on the seeding body (1), and seed separates pin (7) and is fixed on the seeding body (1), and places the lower end in the seeding district of filling in kind of the chamber.
2. air-sucking type planter seeding unit according to claim 1 is characterized in that: seeding body (1) is the aluminium alloy seeding unit, and seeding lid (2) is aluminium alloy seeding lid.
3. air-sucking type planter seeding unit according to claim 1 and 2 is characterized in that: seed plate (3) is the stainless steel seed plate.
4. air-sucking type planter seeding unit according to claim 1 is characterized in that: seeding lid (2) and seeding body (1) are through airtight connection of liner (10).
5. air-sucking type planter seeding unit according to claim 4 is characterized in that: liner (10) is a teflon gasket.
6. air-sucking type planter seeding unit according to claim 1 is characterized in that: the external diameter of seed plate (3) is D1, said D1=220mm.
7. air-sucking type planter seeding unit according to claim 1; It is characterized in that: the upper surface of said dial (5-4) is an arc surface; Scale on the dial (5-4) is set at 0～12 grade successively by below to the top of arc surface; When turning handle (5-5) was arranged on 1 grade, the suction hole (3-1) on the seed plate (3) was blocked fully, and all seeds break away from seed plate (3); When turning handle (5-5) was arranged on 12 grades, the suction hole (3-1) on the seed plate (3) was freely opened fully.
8. air-sucking type planter seeding unit according to claim 7 is characterized in that: four tooth arcs (5-1) are that four sectors mould flitch.
9. air-sucking type planter seeding unit according to claim 1; It is characterized in that: seed rotation pin (6) is made up of first connecting plate (6-1) of processing one, second connecting plate (6-2) and modification of right-angled triangle plate (6-3); First connecting plate (6-1) and the vertical setting of second connecting plate (6-2); And second connecting plate (6-2) is positioned at an end of first connecting plate (6-1); The straight sided of modification of right-angled triangle plate (6-3) and the bottom face of second connecting plate (6-2) are affixed; Modification of right-angled triangle plate (6-3) is to direction and downward-sloping setting away from first connecting plate (6-1), and first connecting plate (6-1) is fixed on the seeding body (1), and the distance of the suction hole (3-1) of the bottom of modification of right-angled triangle plate (6-3) and seed plate (3) is 1～3mm.
10. according to claim 1 or 9 described air-sucking type planter seeding units, it is characterized in that: the cross section that seed separates pin (7) is a rectangular shaped, and seed separates pin (7) and separates pin for the plastics seed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203246062U CN202183959U (en) | 2011-08-31 | 2011-08-31 | Seed metering device of pneumatic hill-drop planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203246062U CN202183959U (en) | 2011-08-31 | 2011-08-31 | Seed metering device of pneumatic hill-drop planter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183959U true CN202183959U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203246062U Expired - Lifetime CN202183959U (en) | 2011-08-31 | 2011-08-31 | Seed metering device of pneumatic hill-drop planter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104541696A (en) * | 2015-01-16 | 2015-04-29 | 河北农哈哈机械集团有限公司 | Air suction metering device |
| CN108551818A (en) * | 2018-06-26 | 2018-09-21 | 宿州市科鸣农业机械有限公司 | A kind of seeder determines kind of scale disc assembly |
| CN110583163A (en) * | 2019-09-16 | 2019-12-20 | 山东沃华农业科技股份有限公司 | Air-suction type seed sowing device for seeder |
-
2011
- 2011-08-31 CN CN2011203246062U patent/CN202183959U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104541696A (en) * | 2015-01-16 | 2015-04-29 | 河北农哈哈机械集团有限公司 | Air suction metering device |
| CN108551818A (en) * | 2018-06-26 | 2018-09-21 | 宿州市科鸣农业机械有限公司 | A kind of seeder determines kind of scale disc assembly |
| CN110583163A (en) * | 2019-09-16 | 2019-12-20 | 山东沃华农业科技股份有限公司 | Air-suction type seed sowing device for seeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
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| CX01 | Expiry of patent term |