CN202374677U - Air-suction seeding unit used on seeder - Google Patents
Air-suction seeding unit used on seeder Download PDFInfo
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- CN202374677U CN202374677U CN2011205659604U CN201120565960U CN202374677U CN 202374677 U CN202374677 U CN 202374677U CN 2011205659604 U CN2011205659604 U CN 2011205659604U CN 201120565960 U CN201120565960 U CN 201120565960U CN 202374677 U CN202374677 U CN 202374677U
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- seed
- seeding unit
- air
- seeder
- brushing device
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Abstract
The utility model discloses an air-suction seeding unit used on a seeder, relates to an air-suction seeding unit, and aims to solve the problem that the conventional air-suction seeding unit is poor in tightness, single in seeding type and cannot realize precise and high-speed seeding. An upper cover of the seeding unit is matched with a seed picking plate to form an air chamber which is mounted on a shell of the seeding unit; a plurality of adsorption holes are annularly formed along the circumference on the seed picking plate; a seed stirrer is arranged on the seed picking plate; the seed picking plate is arranged in the shell of the seeding unit; a transmission assembly is arranged on one side of the shell of the seeding unit to drive the seed picking plate to rotate; a seed protection plate of the seeding unit is arranged below the upper cover of the seeding unit; an air source is connected with an air duct pipe of the upper cover of the seeding unit through a negative-pressure air duct pipe and is communicated with the air chamber; a seed amount limit plate is arranged in a seed room; an inner seed brushing device is arranged in the shell of the seeding unit; an outer seed brushing device sheet in an outer seed brushing device assembly is arranged in the shell of the seeding unit; and an adjusting device of the outer seed brushing device sheet is arranged outside the shell. The air-suction seeding unit is applicable to seeders.
Description
Technical field
The utility model relates to a kind of agricultural machinery, is specifically related to a kind of air-suction seeding unit that is used on the sower.
Background technology
Sower is to be the planting machinery of sowing object with the crop seed.Be used for the sowing of certain type or certain crop, but the air-suction seeding unit in the existing sower exists that sealing is poor, the seeding kind is single, can not realize the problem of smart amount high speed seeding operation.
The utility model content
The purpose of the utility model is to exist in order to solve air-suction seeding unit in the existing sower that sealing is poor, the seeding kind is single, can not realize the problem of smart amount high speed seeding operation, and then a kind of air-suction seeding unit that is used on the sower is provided.
The technical scheme of the utility model is: a kind of air-suction seeding unit that is used on the sower comprises seeder unit shell; Said air-suction seeding unit comprises seeding unit loam cake, seed taking disc, seeding unit seeds protecting plate, wind channel tube interface, interior seeds brushing device, kind amount limiting plate, outer seeds brushing device assembly, drive assembly, a plurality of seed agitator and seed clean-up port end cap, and the top of seeder unit shell has inspection hatch, and the bottom is provided with the transmission case zone; The seeding unit loam cake cooperates the formation air chamber to be installed on the seeder unit shell with seed taking disc; And hinged between seeding unit loam cake and the seeder unit shell, seed clean-up port end cap is arranged on the bottom of seeder unit shell, on the seed taking disc along the circumferential direction annular have a plurality of adsorption holes; Seed agitator is arranged on the seed taking disc; And seed agitator and adsorption hole be annular setting successively from the inside to the outside, and seed taking disc is arranged in the seeder unit shell, and drive assembly is arranged on a side of seeder unit shell and drives seed taking disc and rotates; The seeding unit seeds protecting plate is arranged on the bottom of seeding unit loam cake; Source of the gas is connected with the wind channel tube interface of seeding unit loam cake upper end through the negative pressure wind deferent and communicates with air chamber, and kind amount limiting plate is arranged on the lower end of inspection hatch, and is positioned at seeder unit shell; Interior seeds brushing device is arranged in the seeder unit shell; Outer seeds brushing device assembly comprises outer seeds brushing device sheet and adjusting device, and the outer seeds brushing device sheet in the outer seeds brushing device assembly is arranged in the seeder unit shell, and the adjusting device of outer seeds brushing device sheet is arranged on outside.
The utility model compared with prior art has following effect: on the air-suction seeding unit loam cake housing of the utility model removable sealing ring is installed; Guaranteed the air chamber good sealing property that seeding unit loam cake housing and seed taking disc are formed; Can sow the seed of various crop through changing seed taking disc; Require not strict to shape of the seed, size; Can realize accurately that through interior seeds brushing device and outer seeds brushing device each adsorption hole only draws a seed, realize that smart amount sows at a high speed, improve operating efficiency significantly.
Description of drawings
Fig. 1 is the front view of the utility model; Fig. 2 is the end view of the utility model; Fig. 3 is the sketch map that the utility model seeding unit loam cake and seeder unit shell launch; Fig. 4 is the cutaway view of Fig. 1 along the A-A place; Fig. 5 is the seed taking disc front view.
Embodiment
Embodiment one: combine Fig. 1 to Fig. 5 that this embodiment is described; This embodiment comprises seeder unit shell 1; Said air-suction seeding unit comprises seeding unit loam cake 2, seed taking disc 3, seeding unit seeds protecting plate 4, wind channel tube interface 5, interior seeds brushing device 6, kind amount limiting plate 7, outer seeds brushing device assembly 8, drive assembly 9, a plurality of seed agitator 10 and seed clean-up port end cap 11, and the top of seeder unit shell 1 has inspection hatch 1-1, and the bottom is provided with transmission case zone 1-2; Seeding unit loam cake 2 cooperates the formation air chamber to be installed on the seeder unit shell 1 with seed taking disc 3; And hinged between seeding unit loam cake 2 and the seeder unit shell 1, seed clean-up port end cap 11 is arranged on the bottom of seeder unit shell 1, on the seed taking disc 3 along the circumferential direction annular have a plurality of adsorption hole 3-1; Seed agitator 10 is arranged on the seed taking disc 3; And seed agitator 10 and adsorption hole 3-1 annular setting successively from the inside to the outside, seed taking disc 3 is arranged in the seeder unit shell 1, and drive assembly 9 is arranged on a side of seeder unit shell 1 and drives seed taking disc 3 and rotates; Seeding unit seeds protecting plate 4 is arranged on the bottom of seeding unit loam cake; Source of the gas is connected with the wind channel tube interface 5 of seeding unit loam cake 2 upper ends through the negative pressure wind deferent and communicates with air chamber, and kind amount limiting plate 7 is arranged on the lower end of inspection hatch 1-1, and is positioned at seeder unit shell; Interior seeds brushing device 6 is arranged in the seeder unit shell; Outer seeds brushing device assembly 8 comprises outer seeds brushing device sheet 8-1 and adjusting device 8-2, and the outer seeds brushing device sheet 8-1 in the outer seeds brushing device assembly 8 is arranged in the seeder unit shell 1, and the adjusting device 8-2 of outer seeds brushing device sheet 8-1 is arranged on outside.
Adopt between seeding unit loam cake 2 of this embodiment and the seeder unit shell 1 and be hinged mode, be provided with alignment pin, adopt wing nut fastening, can change seed taking disc 3 easily.
Because processing, rigging error and the seed taking disc 3 of parts produce factors such as distortion under the effect of vacuum; Between seed taking disc 3 and air chamber, can produce certain clearance; For preventing that seed from coming off from this gap, or the extruding seed, seeding unit is equipped with sealing strip in seed chamber fills kind of zone.
On the seeding unit loam cake 2 sealing ring is installed. guarantee the air chamber sealing that seeding unit loam cake housing and seed taking disc 3 are formed, the air chamber pressure of effectively having avoided vacuum leak to cause is inhomogeneous and performance is sowed in influence.
Seeder unit shell 1 is an aluminium alloy castings, and wall thickness is 3-5mm, and (transmission case zone) design boss or reinforcement improve intensity in stressed position.
Air chamber on the seeding unit loam cake 2 is for being communicated with loop configuration, and its section structure is circular equal section.The air inlet of air chamber is above air chamber.The side air inlet makes that seed adsorption zone pressure is steady.
The thickness of seed taking disc 3 is that punching of the steel plate, the smoothing of 1-2mm forms.
Seeds brushing device 6 and outer seeds brushing device assembly 8 in seeds brushing device is divided into.Outer seed scraping device sheet 8-1 in the outer seeds brushing device assembly 8, an end and a straight pin are hinged, and the other end and a connecting rod guiding mechanism are hinged.Through rotation adjustment handle, regulate the terminal peak of outer brush seeding unit and the distance at suction hole center, brush away unnecessary seed, make the seed outer rim of absorption be regularly arranged.Interior kind device 6 is an eccentric cylinder, through regulating the distance of eccentric cylinder center to the suction hole center, strikes off the unnecessary seed at the suction hole place.
Seeder unit shell 1 adopts big inclined design; The seeder unit shell 1 of this seeding unit from top to bottom; By several smooth surfaces, form greater than the bent inclined-plane of seed natural angle of repose; Guarantee the good fluidity of seed in the seed chamber, avoided built on stilts " bridging " phenomenon that forms between the seed, kind of the performance of filling of seeding unit significantly improves.
Embodiment two: combine Fig. 4 that this embodiment is described, the air-suction seeding unit of this embodiment also comprises tooth case lid 12, and tooth case lid 12 spiral-locks are on drive assembly 9.So be provided with, effectively guaranteed the safety of drive assembly 9, simultaneously, be convenient to check the internal work situation of drive assembly 9.Other composition is identical with embodiment one with annexation.
Embodiment three: combine Fig. 2 and Fig. 3 that this embodiment is described; The drive assembly 9 of this embodiment comprises gland 9-1, platen 9-2, the first bevel gear shaft 9-3, the first copper sheathing 9-4, air chamber sealing ring 9-5, the second bevel gear shaft 9-6, the second copper sheathing 9-7, the first tumbler gear 9-8, the second tumbler gear 9-9 and the 3rd copper sheathing 9-10; Gland 9-1, platen 9-2 and air chamber sealing ring 9-5 are successively set on the seeding unit loam cake 2 from outside to inside; The first bevel gear shaft 9-3 is located in the transmission case zone 1-2 of seeder unit shell bottom; Be provided with the first copper sheathing 9-4 between the transmission case zone 1-2 of the first bevel gear shaft 9-3 and seeder unit shell bottom; The second bevel gear shaft 9-6 is vertical with the first bevel gear shaft 9-3 to be provided with and to be located in the transmission case zone 1-2 of seeder unit shell bottom; The second bevel gear shaft 9-6 is connected with power source; The transmission case zone 1-2 touching position of the second bevel gear shaft 9-6 and seeder unit shell bottom is respectively equipped with the second copper sheathing 9-7 and the 3rd copper sheathing 9-10; The first tumbler gear 9-8 is arranged on the end of the first bevel gear shaft 9-3, and the second tumbler gear 9-9 is arranged on the second bevel gear shaft 9-6, and the second tumbler gear 9-9 is meshed with the first tumbler gear 9-8.So be provided with, be convenient to carry out accurately seeding.Other composition is identical with embodiment one or two with annexation.
The course of work of this embodiment is:
Source of the gas is connected with the wind channel tube interface 5 of seeding unit loam cake 2 upper ends through the negative pressure wind deferent and communicates with air chamber; Make and form required vacuum in the air chamber; Power source and drive assembly 9 drive seed taking disc 3 and rotate, and along with the stirring of seed in 10 pairs of seed chambers of agitator, adsorption hole 3-1 is adsorbed on the seed in the seed chamber on the seed taking disc 3; Through interior seeds brushing device 6 and outer seeds brushing device assembly 8 seed brush unnecessary on the seed taking disc is fallen, guaranteed that each adsorption hole only inhales a seed.When turning to the seeding zone on the seed taking disc 3, the adsorption hole that enters into relief area is laid down the vacuum in the air chamber, and seed falls into the grain conductor of sower by deadweight, and realizes seeding.
Claims (3)
1. air-suction seeding unit that is used on the sower; It comprises seeder unit shell (1); It is characterized in that: said air-suction seeding unit comprises seeding unit loam cake (2), seed taking disc (3), seeding unit seeds protecting plate (4), wind channel tube interface (5), interior seeds brushing device (6), kind amount limiting plate (7), outer seeds brushing device assembly (8), drive assembly (9), a plurality of seed agitator (10) and seed clean-up port end cap (11), and the top of seeder unit shell (1) has inspection hatch (1-1), and the bottom is provided with transmission case zone (1-2); Seeding unit loam cake (2) cooperates the formation air chamber to be installed on the seeder unit shell (1) with seed taking disc (3); And hinged between seeding unit loam cake (2) and the seeder unit shell (1), seed clean-up port end cap (11) is arranged on the bottom of seeder unit shell (1), on the seed taking disc (3) along the circumferential direction annular have a plurality of adsorption holes (3-1); Seed agitator (10) is arranged on the seed taking disc (3); And seed agitator (10) and adsorption hole (3-1) annular setting successively from the inside to the outside, seed taking disc (3) is arranged in the seeder unit shell (1), and drive assembly (9) is arranged on a side of seeder unit shell (1) and drives seed taking disc (3) and rotates; Seeding unit seeds protecting plate (4) is arranged on the bottom of seeding unit loam cake; Source of the gas is connected with the wind channel tube interface (5) of seeding unit loam cake (2) upper end through the negative pressure wind deferent and communicates with air chamber, and kind amount limiting plate (7) is arranged on the lower end of inspection hatch (1-1), and is positioned at seeder unit shell; Interior seeds brushing device (6) is arranged in the seeder unit shell; Outer seeds brushing device assembly (8) comprises outer seeds brushing device sheet (8-1) and adjusting device (8-2), and the outer seeds brushing device sheet (8-1) in the outer seeds brushing device assembly (8) is arranged in the seeder unit shell (1), and the adjusting device (8-2) of outer seeds brushing device sheet (8-1) is arranged on outside.
2. a kind of air-suction seeding unit that is used on the sower according to claim 1 is characterized in that: air-suction seeding unit also comprises tooth case lid (12), and tooth case lid (12) spiral-lock is on drive assembly (9).
3. a kind of air-suction seeding unit that is used on the sower according to claim 1 and 2; It is characterized in that: drive assembly (9) comprises gland (9-1), platen (9-2), first bevel gear shaft (9-3), first copper sheathing (9-4), air chamber sealing ring (9-5), second bevel gear shaft (9-6), second copper sheathing (9-7), first tumbler gear (9-8), second tumbler gear (9-9) and the 3rd copper sheathing (9-10); Gland (9-1), platen (9-2) and air chamber sealing ring (9-5) are successively set on the seeding unit loam cake (2) from outside to inside; First bevel gear shaft (9-3) is located in the transmission case zone (1-2) of seeder unit shell bottom; Be provided with first copper sheathing (9-4) between the transmission case zone (1-2) of first bevel gear shaft (9-3) and seeder unit shell bottom; Second bevel gear shaft (9-6) is vertical with first bevel gear shaft (9-3) to be provided with and to be located in the transmission case zone (1-2) of seeder unit shell bottom; Second bevel gear shaft (9-6) is connected with power source; Second bevel gear shaft (9-6) is respectively equipped with second copper sheathing (9-7) and the 3rd copper sheathing (9-10) with transmission case zone (1-2) touching position of seeder unit shell bottom; First tumbler gear (9-8) is arranged on the end of first bevel gear shaft (9-3), and second tumbler gear (9-9) is arranged on second bevel gear shaft (9-6), and second tumbler gear (9-9) is meshed with first tumbler gear (9-8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205659604U CN202374677U (en) | 2011-12-30 | 2011-12-30 | Air-suction seeding unit used on seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205659604U CN202374677U (en) | 2011-12-30 | 2011-12-30 | Air-suction seeding unit used on seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374677U true CN202374677U (en) | 2012-08-15 |
Family
ID=46623206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205659604U Expired - Fee Related CN202374677U (en) | 2011-12-30 | 2011-12-30 | Air-suction seeding unit used on seeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202374677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040555A (en) * | 2018-02-11 | 2018-05-18 | 李鸿鸽 | Double kinds of band feed mechanism for seeds of aspirated-air type |
-
2011
- 2011-12-30 CN CN2011205659604U patent/CN202374677U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040555A (en) * | 2018-02-11 | 2018-05-18 | 李鸿鸽 | Double kinds of band feed mechanism for seeds of aspirated-air type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |