CN206790941U - A kind of aspirated-air type rice seedling planter - Google Patents
A kind of aspirated-air type rice seedling planter Download PDFInfo
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- CN206790941U CN206790941U CN201720554132.8U CN201720554132U CN206790941U CN 206790941 U CN206790941 U CN 206790941U CN 201720554132 U CN201720554132 U CN 201720554132U CN 206790941 U CN206790941 U CN 206790941U
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- roller
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Abstract
The utility model provides a kind of aspirated-air type rice seedling planter, including for plants case, suction kind roller and hole cleaning device provided with rotating shaft.Wherein inhaling kind of roller includes the end cap of inner roller, the thin-walled outer roller being wrapped in outside inner roller and one end close fit with inhaling kind of roller, and inner roller is provided with some air intake passages corresponding with suction hole in outer roller；End cap is including the suction hole connected with vavuum pump, the passage being in communication with the outside and for that will inhale the rib planted the confined space formed between roller end face and end cap and be separated into two isolated areas, wherein air intake passage connects with confined space, suction hole and passage are fallen within the two regions respectively just, so as to form negative pressuren zone and zone of positive pressure, inhaling kind of a roller can relatively rotate with end cap；The lower section for inhaling kind of roller is provided with scraper plate and compression roller.The utility model is simple in construction, and each suction hole can not blocked before kind is inhaled by effective cleaning dredging, avoid broadcast leakage situation, considerably improve sowing efficiency.
Description
Technical field
It the utility model is related to rice raise rice seedlings sower tool field.
Background technology
Aspiration type sowing device is a kind of accurate seeder of generally acknowledged amount of broadcasting, and widely should in crop precision drilling
With.But in rice growing, due in order to improve Germination Percentage of Rice and emergence rate, being needed before seed sowing by presoaking and germinating
Process, the seed generally sowed carry short radical bud.Using in pneumatic seeder seeding process, due between seed and planting
Friction and collision between son and seeding apparatus, radical bud are easy to fracture.And the diameter of these radical buds often with air-suction seeder
Suction hole diameter be close, therefore the radical bud after fractureing usually blocks a suction kind mouth, so that cavitation occurs in sowing, sows
Deterioration in accuracy.If this blocking is just difficult dredging without using Compulsory Removal, and then has influence on the whole seeding process in later stage.Especially
It is in rice nursing seedlings seeding, because the amount of broadcasting of needs is larger, closeer, thus this clogging is even more serious, so as to limit
Application of the aspiration type sowing device in seedling planting.
At present, solution to the problems described above is mainly equipped with hairbrush outside air-suction seeder, while seed drops
Suction hole is cleared up, however only by hairbrush brush may still be completely cured or debris can be embedded in suction hole in, cleaning effect
It is undesirable；Or the through hole mechanism of pin type is set in sowing mechanism, but this structure is big for suction hole density, drum type brake
Rice seedling planter is obviously not suitable with.
Utility model content
The purpose of this utility model is to overcome shortcoming present in prior art, there is provided a kind of while kind seeding is inhaled
The impurity sunk into suction hole can also be cleared up automatically, solves blockage problem, ensure the aspirated-air type water of device high efficiency operating all the time
Rice Sprout cultivation seeder.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of aspirated-air type rice seedling planter, including for plants case, suction kind roller and hole cleaning device provided with rotating shaft, it is described
Kind of a roller is inhaled to be arranged on outside the seed discharging opening for plants case, it is characterised in that：
Kind of the roller of inhaling includes inner roller, the thin-walled outer roller being wrapped in outside the inner roller and the suction kind roller
One end fixation end cap, kind of the roller inhaled can be relatively rotated with the end cap, and fixed end cap and inhaling is sealed between kind roller,
The inner roller is provided with some on the suction kind evenly distributed axial through hole of roller shaft, the wall of each axially extending bore
Some radial direction through hole are provided with along axial length direction also compartment of terrain；The outer roller is provided with some suction holes, the suction hole with it is described
Radial direction through hole corresponds, also, suction hole is less than radial direction through hole；
The end cap is including the suction hole connected with vavuum pump, the passage being in communication with the outside and for inhaling kind by described
The confined space formed between roller end face and the end cap is separated into the segmenting structure of two isolated areas, wherein the axial direction
Through hole is connected with the confined space, and the suction hole and the passage are fallen within the two isolated areas respectively, so as to shape
Into negative pressuren zone and zone of positive pressure；
The hole cleaning device is arranged on after the seeding inhaled and planted on the outside of roller with inhaling the transition region before planting.
Further, the hole cleaning device includes scraper plate and compression roller, and the scraper plate and compression roller rotate along kind of roller is inhaled
Direction is successively set on after the seeding inhaled and planted on the outside of roller with inhaling the transition region before planting.
Further, closed separate cup is provided between the end cap and the vavuum pump, leads to institute in the separate cup
The flue port of suction hole is stated compared with leading to the flue port of the vavuum pump closer to the bottom surface of the separate cup.
Further, the scraper plate is the hard thing of flat strip shaped that length is adapted to the axial length for inhaling kind of roller；The scraper plate
The position of negative pressuren zone and the long side of the scraper plate and institute are had just enter into after the suction hole seeding inhaled below kind of roller
State the surface contact for inhaling kind of roller.
Further, the compression roller starts the negative pressuren zone before suction kind located at the suction hole inhaled below kind of roller
Position；The surface of the compression roller is elastomeric soft materials and forms extruding relation with the surface for inhaling kind of roller.
Further, the scraper plate and compression roller are each attached in the confession plants case, and can pass through the length on fixed position
Hole adjusted with the distance for inhaling kind of roller.
Further, the end cap is provided with annular groove, and described inhale is planted on the ring surface that roller contacts with the end cap
Be additionally provided with the annular boss mutually chimeric with the annular groove so that the annular groove and the end face for inhaling kind of roller it
Between form the confined space.
Further, the other end for inhaling kind of roller is provided with and the capping inhaled kind of roller and be connected as a single entity；Described turn
Axle sequentially passes through capping, inhales kind of roller and end cap and fixed as one with the capping and kind of the roller of inhaling.
Further, kind of a roller bending is inhaled to described away from kind of the side plate of roller side of inhaling on the seed discharging opening
And a segment distance is extend horizontally away, the joining distal ends of the bottom side and the side plate for inhaling kind of roller touch.
The beneficial effects of the utility model：This product is simple and compact for structure, and suction hole is easy to dredge；Inhaling the same of kind of seeding
When can also clear up the impurity sunk into suction hole automatically, solve blockage problem, the feelings for farthest reduce broadcast leakage, broadcasting less
Condition, the running not only sowed uniformly but also enable seeder continuously and stably to maintain peak efficiency.
Brief description of the drawings
Fig. 1 is side view of the present utility model.
Fig. 2 is operating diagram of the present utility model.
Fig. 3 inhales kind of a roller sectional view to be of the present utility model.
Fig. 4 is the partial enlarged drawing of the present utility model for inhaling kind of roller sectional view.
Fig. 5 is inner roller schematic diagram of the present utility model.
Fig. 6 is outer roller schematic diagram of the present utility model.
Fig. 7 is end cap schematic diagram of the present utility model.
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
Referring to the drawings.The utility model, which is provided with, to be included for plants case 2, suction kind roller 1 and hole cleaning device provided with rotating shaft 3.Inhale
Kind roller 1 is arranged on for the seed discharge outlet in plants case 2.Inhaling kind of roller 1 includes inner roller 11 and is enclosed on outside inner roller
Outer roller 12.Wherein inner roller 11 surrounds the evenly distributed axial through hole 111 of rotating shaft 3 provided with some.These axially extending bores 111
The circumference in same section of the section circle center line connecting with inhaling kind of roller 1 be concentric circles using the center of circle in the section of rotating shaft 3 as the center of circle.Often
Some radial direction through hole 112 are also provided with evenly and at intervals along axial length direction on individual axially extending bore 111.The length of each radial direction through hole 112
Degree is the beeline that corresponding axially extending bore 111 arrives the lateral surface of inner roller 11.Outer roller 12 is to inhale kind provided with some
The thin walled hard cylindrical body in hole 121.Suction hole 121 corresponds with radial direction through hole 112, and the diameter of suction hole 121 is less than footpath
To the diameter of through hole 112.That is, suction hole 121, radial direction through hole 112 and the three of axially extending bore 111 are interconnected.Outer roller 12
Internal diameter is identical with the external diameter of inner roller 11, outer roller 12 is closely wrapped in inner roller 11, prevents leaking between the two
Gas phenomenon.In addition, this outer thin interior thick bilayer combination structure so that it is only thin suction kind to inhale position blocked during kind sowing
Hole 121, it is easy to dredge, while the inner roller 11 of heavy wall then plays a supportive role to outer roller 12, it is therefore prevented that outer roller 12 is because of deformation
And the shape for influenceing suction hole 121 causes to inhale kind of a failure.Specifically, the number of suction hole 121 can with sowing demand it is big
It is small and change, and radial direction through hole 112 and axially extending bore 111 should be with the number respective changes of suction hole 121.
A capping 14 is further respectively had at the both ends for inhaling kind of roller 1 and an end cap 13, three are set on rotating shaft 3
On.Capping 14 is diameter with inhaling kind of the diameter identical plectane of roller 1.Wherein, inhale kind of roller 1 and cover 14 and affixed with rotating shaft 3 be
One, is rotated with the rotation of rotating shaft 3, and end cap 13 then remains inactive state.
An annular groove 133 is provided with end cap 13 so that when end cap 13 coordinates with inhaling the end face inlay card of kind of roller 1, end
Lid 13 forms an annular space 10 that is closed and being connected with each axially extending bore 111 between the end face with inhaling kind of roller 1.
A suction hole 131 connected with vavuum pump 5, the passage 132 being in communication with the outside are additionally provided with the annular groove 133 and is used
In the rib 134 that annular space 10 is separated into two regions independent of one another.Wherein, suction hole 131 and passage 132 divide just
Do not fall within the two regions, so as to divide annular space 10 to form negative pressuren zone and zone of positive pressure.Particularly, inhale kind of roller 1 with
The annular boss 113 mutually chimeric with annular groove 133 is additionally provided with the ring surface that end cap 13 contacts so that is inhaled kind of roller 1 and is being turned
Side seals when dynamic；Inhale kind of roller 1 and do encapsulation process with rib 134 and convex center, prevent air between positive and negative air-pressure
Flowing.Specifically, the position adjustment of suction kind or seeding of the size of negative pressuren zone and zone of positive pressure according to needed for suction hole 121.
Closed separate cup 4 is additionally provided between end cap 13 and vavuum pump 5.Wherein, suction hole 131 is led in separate cup 4
Flue port is compared with leading to the flue port of vavuum pump 5 closer to the bottom surface of separate cup 4.Therefore, the impurity being inhaled into can be stagnant
Stay in separate cup 4 and be separated without entering in vavuum pump 5.
During use, inhale kind of a roller 1 and constantly rotated relative to end cap 13, therefore axially extending bore 111 can constantly pass through negative pressure
Area-zone of positive pressure-negative pressuren zone, so as to the air pressure in suction hole 121 also constantly change therewith.When suction hole 121 goes to seed discharging
It is now negative pressure in suction hole 121 during mouth, band root seed is drawn onto exactly in each suction hole 121 and concomitant rotation；One
The corresponding axially extending bore 111 of denier goes to zone of positive pressure from negative pressuren zone, seed it is just no longer adsorbed but under gravity from
So drop and realize seeding process.Therefore, under the continuous alternating of negative-positive air pressure, this product can constantly be completed to inhale kind and row
Kind process.
However, the blank state of a period of time can be kept with the suction hole 121 in the stage before suction kind after seeding.Should
The suction hole 121 of state is in the bottom transition area for inhaling kind of roller 1.Another innovation of this product, it is in the transition
Area is provided for the hole cleaning device for dredging suction hole 121, the suction kind for a lower whorl is prepared.
The hole cleaning device includes being successively set on the scraper plate 6 and compression roller 7 for inhaling the lower section of kind of roller 1 along seed flow direction.
Wherein, the position of negative pressuren zone is had just enter into after the corresponding seeding of suction hole 121 of scraper plate 6, and compression roller 7 then corresponds to scraper plate 6 and seed
Negative pressure zone position between discharging opening 9.Scraper plate 6 be length with inhale kind of roller 1 the hard thing of axial length identical flat strip shaped and long side with
The surface for inhaling kind of roller 1 is in contact.When scraper plate 6 is passed through in the suction kind rotation of roller 1, scraper plate 6 acts on by scraping between the two,
The part that the debris for making to be blocked in suction hole 121 is revealed in surface is cut off.Compression roller 7 is then that root surface parcel elasticity is soft
The hard circular shaft of material and the intimate surface contact with inhaling kind of roller 1.When suction hole 121, which is squeezed pressure roller 7, to be extruded, compression roller 7 is sent out
Raw deformation is inhaled into separation so as to which the debris remained in suction hole 121 is headed into radial direction through hole 112 under negative pressure state
In cup 4.Therefore, each time inhale kind when, suction hole 121 ensure it is unimpeded do not block, so as to break off the blocking due to suction hole
And occur broadcast leakage, broadcast less, sow non-uniform phenomenon, carrying out seedling kind with highest efficiency sows.Particularly, the He of scraper plate 6
Compression roller 7 is each attached to in plants case 2, and the elongated hole 8 that can pass through on fixed position adjusted with inhaling the distance between kind of roller 1
Section.
On seed discharging opening 9 away from inhale the side plate of kind of roller 1 side to inhale kind of a roller 1 bend and extend horizontally away one section away from
From；The joining distal ends for inhaling the bottom side and the side plate of kind of roller 1 touch.Therefore, the seed failed on adsorbed can drop again
Return in seed discharging opening 9 and wait the suction kind of next round.
It should be pointed out that embodiment of the present utility model is described above.However, the technical staff of art technology should manage
Solution, the utility model are not restricted to the described embodiments, and simply illustrate principle of the present utility model described in above-described embodiment,
The utility model also has a variety of changes and improvements on the premise of the scope of the utility model is not departed from, and these changes and improvements are all
Fall into claimed the scope of the utility model.
Claims (9)
1. a kind of aspirated-air type rice seedling planter, including for plants case, suction kind roller and hole cleaning device provided with rotating shaft, the suction
Kind roller is arranged on outside the seed discharging opening for plants case, it is characterised in that：
Kind of the roller of inhaling includes the one of inner roller, the thin-walled outer roller being wrapped in outside the inner roller and the suction kind roller
The fixation end cap at end, kind of the roller of inhaling can be relatively rotated with the end cap, sealed between fixed end cap and suction kind roller, described
Inner roller is provided with some surround and inhales kind of the evenly distributed axial through hole of roller shaft, along axle on the wall of each axially extending bore
Length direction also compartment of terrain is provided with some radial direction through hole；The outer roller is provided with some suction holes, the suction hole and the radial direction
Through hole corresponds, also, suction hole is less than radial direction through hole；
The end cap is including the suction hole connected with vavuum pump, the passage being in communication with the outside and for inhaling kind of a roller by described
The confined space formed between end face and the end cap is separated into the segmenting structure of two isolated areas, wherein the axially extending bore
Connected with the confined space, the suction hole and the passage are fallen within the two isolated areas respectively, negative so as to be formed
Nip and zone of positive pressure；
The hole cleaning device is arranged on after the seeding inhaled and planted on the outside of roller with inhaling the transition region before planting.
2. a kind of aspirated-air type rice seedling planter as claimed in claim 1, it is characterised in that the hole cleaning device includes scraping
Plate and compression roller, the scraper plate and compression roller are successively set on the seeding inhaled on the outside of kind of roller along kind of a roller direction of rotation is inhaled
Afterwards with inhaling the transition region before planting.
3. a kind of aspirated-air type rice seedling planter as claimed in claim 1, it is characterised in that the end cap and the vacuum
Closed separate cup is provided between pump, the flue port that the suction hole is led in the separate cup relatively leads to the vavuum pump
Flue port closer to the bottom surface of the separate cup.
4. a kind of aspirated-air type rice seedling planter as claimed in claim 2, it is characterised in that the scraper plate is length and institute
State the hard thing of flat strip shaped for the axial length adaptation for inhaling kind of roller；The scraper plate is located at the suction hole seeding inhaled below kind of roller
The position of negative pressuren zone is had just enter into afterwards and the long side of the scraper plate contacts with the surface for inhaling kind of roller.
5. a kind of aspirated-air type rice seedling planter as claimed in claim 2, it is characterised in that the compression roller is located at described
The suction hole below kind of roller is inhaled to start to inhale the negative pressure zone position before kind；The surface of the compression roller be elastomeric soft materials and
Extruding relation is formed with the surface for inhaling kind of roller.
6. a kind of aspirated-air type rice seedling planter as claimed in claim 2, it is characterised in that the scraper plate and compression roller are equal
It is fixed on described in plants case, and the elongated hole that can pass through on fixed position adjusted with the distance for inhaling kind of roller.
7. a kind of aspirated-air type rice seedling planter as claimed in claim 1, it is characterised in that the end cap is provided with annular
Groove, the suction are planted and are additionally provided with the convex annular mutually chimeric with the annular groove on the ring surface that roller contacts with the end cap
Platform, so that forming the confined space between the annular groove and the end face for inhaling kind of roller.
8. a kind of aspirated-air type rice seedling planter as claimed in claim 1, it is characterised in that described to inhale the another of kind of roller
End is provided with and the capping inhaled kind of roller and be connected as a single entity；The rotating shaft sequentially pass through capping, inhale kind of roller and end cap and with
The capping and kind of the roller of inhaling fix as one.
9. a kind of aspirated-air type rice seedling planter as claimed in claim 1, it is characterised in that remote on the seed discharging opening
Bent from the side plate for inhaling kind roller side to the suction kind roller and extend horizontally away a segment distance, the suction kind roller
The joining distal ends of bottom side and the side plate touch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554132.8U CN206790941U (en) | 2017-05-18 | 2017-05-18 | A kind of aspirated-air type rice seedling planter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554132.8U CN206790941U (en) | 2017-05-18 | 2017-05-18 | A kind of aspirated-air type rice seedling planter |
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| Publication Number | Publication Date |
|---|---|
| CN206790941U true CN206790941U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720554132.8U Active CN206790941U (en) | 2017-05-18 | 2017-05-18 | A kind of aspirated-air type rice seedling planter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046882A (en) * | 2017-05-18 | 2017-08-18 | 中国水稻研究所 | A kind of aspirated-air type rice seedling planter |
| CN108391488A (en) * | 2018-05-08 | 2018-08-14 | 四川农业大学 | Rice precise hole sowing integrated arranging roller |
| CN109874466A (en) * | 2019-04-19 | 2019-06-14 | 安徽农业大学 | A kind of accurate quantification multirow divider |
| CN110149867A (en) * | 2019-06-26 | 2019-08-23 | 浙江海洋大学 | A kind of agricultural production seeder |
-
2017
- 2017-05-18 CN CN201720554132.8U patent/CN206790941U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046882A (en) * | 2017-05-18 | 2017-08-18 | 中国水稻研究所 | A kind of aspirated-air type rice seedling planter |
| CN108391488A (en) * | 2018-05-08 | 2018-08-14 | 四川农业大学 | Rice precise hole sowing integrated arranging roller |
| CN109874466A (en) * | 2019-04-19 | 2019-06-14 | 安徽农业大学 | A kind of accurate quantification multirow divider |
| CN110149867A (en) * | 2019-06-26 | 2019-08-23 | 浙江海洋大学 | A kind of agricultural production seeder |
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