CN101878689B - Suction type precision seed extracting and bunch seeding device - Google Patents
Suction type precision seed extracting and bunch seeding device Download PDFInfo
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- CN101878689B CN101878689B CN201010179426XA CN201010179426A CN101878689B CN 101878689 B CN101878689 B CN 101878689B CN 201010179426X A CN201010179426X A CN 201010179426XA CN 201010179426 A CN201010179426 A CN 201010179426A CN 101878689 B CN101878689 B CN 101878689B
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Abstract
The invention relates to an agricultural seeding apparatus, in particular to a suction type precision seed extracting and bunch seeding device. The device mainly comprises a seed box, a suction type seed separating device, a cylinder, a negative-pressure air suction pipe, a speed shifting mechanism and a seed inoculating and delivering device, wherein in the speed shifting mechanism, a cylinder spindle is shaped like a hollow pipe and is fixedly connected with the suction type seed separating device; a suction type seed separating device spindle is arranged in the hollow pipe shaped cylinder spindle and is linked with the hollow pipe shaped cylinder spindle by a gear; and in the seed inoculating and delivering device, a seed outlet of the suction type seed separating device is linked with duckbills by a trough type seed delivery channel which is ring-shaped and fixed at the inner side of an outer ring of the cylinder; the duckbills are arranged at the bottom of the trough type seed delivery channel; and seed bins are arranged at seed inlets of the duckbills. The device has the following advantages: deformation of the bunch seeding cylinder is prevented, meanwhile, the trough type seed delivery channel and the seed bins are adopted so that the seeds can not spread freely; and the structure of the device enlarges the inner space of the cylinder, heightens the trough type seed delivery channel, is beneficial to preventing the seeds from popping, ensures seeding to be more precise and reduces the void content during bunch seeding. The device also has another advantage as follows: change of the duckbills is convenient and can be realized only by adjusting the seed bins, thus realizing quick adjustment of different row spacing when the users change the crop seeds to be seeded.
Description
Technical field
The present invention relates to agricultural seeding device, particularly a kind of driven sucking precise hole sowing device.
Background technology
The Chinese patent document discloses a kind of air-sucking type seeding and film covering apparatus on June 17th, 1998, and publication number is CN2283960, and this device is to be made up of cylinder, drum shaft and press mold wheel; Its press mold wheel is connected as a single entity with cylinder; Be provided with seed chamber, seeds sucker and vacuum chamber in the cylinder chamber, seeds sucker is connected with cylinder, and seeds sucker, cylinder and press mold wheel are with being contained on the drum shaft; The seeds sucker periphery is provided with the suction hole of equidistance; Cylinder inner periphery limit is provided with seed reception bucket, is equipped with on the cylinder circumferential periphery and the corresponding duckbilled indenting tool of seed reception bucket, mulch film is housed below cylinder and the press mold wheel.The defective one of this device is that seed relies on gravity directly to fall into the duck mouth from seeds sucker.Can improve the target that speed of drilling is the eternal pursuit of technical staff of the same trade in the precision drilling.But when described prior art improved at drum rotation speed a little, seed fell into the duck mouth one by one because of the speed reason is difficult to assurance; The 2nd,, do not slow down between the transmission of main shaft and air-sucking type seeder main shaft, be difficult to accomplish the sowing task, therefore described prior-art devices has substantive defect when speed of drilling improves.In August, 2008, the inventor has studied and a kind ofly at duck mouth seed inlet the device of wicket has been set, through repetition test; Obtain satisfied technique effect, and at application on January 21st, 2009 Chinese patent, open on December 9th, 2009; Authorize publication number: CN201355917, this device mainly comprises kind of a case, press mold wheel, air-sucking type seed-taking device, cylinder, duck mouth, and the air-sucking type seed-taking device is fixed in the cylinder; And be installed on the air cavity hollow shaft; Begin mouthful and go out kind of a road is set between kind of the mouth at seed-taking device, the kind road shape is crooked tubular, dodge gate is set going out kind of a mouth place.This device technique is that the purpose that the seed inlet at the duck mouth is provided with dodge gate, kinds of bank deposits chamber is to fall to planting after the bunch planting cylinder rotates a circle, and such benefit is that seed can accurately get into the duck mouth and realize precision drilling, can improve speed of drilling simultaneously.But defective is that the structure of defeated kind of box is relatively complicated, and particularly the kind period of the day from 11 p.m. to 1 a.m adjustment in the different spacing in the rows of sowing is not very convenient.In the long-term use of bunch planting cylinder, the inventor finds the excircle part of cylinder, and the outer circle of duck mouth promptly is installed; Sometimes deform,, form and prolong two rinforcement bars radially so the inventor prolongs two circular iron sheets of duck mouth both sides welding in the inboard of cylinder excircle part; Such structure can make the bunch planting cylinder not deform; Though solved the problem on deformation of bunch planting cylinder, how to cooperate with existing air-sucking type seed-taking device, problem has but appearred.The surprised discovery of inventor in lot of test; Rinforcement bar is at the inboard conduit that forms of cylinder itself; If kind of the mouth place of going into of duck mouth adds baffle plate and cuts apart and just formed the structure that is similar to defeated kind of box in conduit; Also have a problem to be, seed makes seed can get into the duck mouth smoothly from falling in the conduit again after seed-taking device is got kind as why not rebounding.In addition, who knows technical staff of the same trade, and in order to be suitable for the spacing in the rows requirement of various crops, the quantity of the duck mouth of cylinder is to need adjustment in good time, but existing various same devices are not all realized degree easily.The present invention accomplishes in above process.
Summary of the invention
The present invention seeks to the problem that exists according in the above-mentioned prior art; And inventor's lot of test; Peripheral set inside through at cylinder is failed kind of a groove, and controls the distance that kind of mouth gets into groove, and kind of the mouth of going at the duck mouth is provided with control device simultaneously; Make apparatus structure simple, be convenient to change the duck mouth and the crop seeding of controlling different spacing in the rows.
The object of the invention realizes being accomplished by following technical scheme:
Suction type precision seed bunch planting device of the present invention; Mainly form by defeated kind of the device of kind of a case, air-sucking type seeder, cylinder, negative pressure suction tube, gear and inoculation; Wherein, the air-sucking type seeder is arranged in the cylinder and with negative pressure suction tube and is communicated with, and it is characterized in that:
A, gear are: drum spindle 6 is fixedly connected with the air-sucking type seeder for hollow tubular; Air-sucking type seeder main shaft 7 is arranged in the hollow tubular drum spindle 6; The bearing 4-2 that is provided with on one of which end and the air-sucking type minute device connects and drives seeds sucker 15, and sealed bearing 4-1 and hollow tubular drum spindle 6 that the other end passes in the hollow tubular drum spindle 6 connect through gear;
B, defeated kind of device of inoculation are: the going out between kind of mouth 36 and the duck mouth 25 to fail through grooved of air-sucking type seeder plants a road 22 and connects; Defeated kind of the road 22 of grooved is the circle annular; Be fixed on the inboard of cylinder 1 outer ring; Duck mouth 25 is arranged on the bottom in defeated kind of the road 22 of grooved, at kind of the mouth place of going into of each duck mouth 25 seed cabin 23 is set.
The present invention compared with prior art has the following advantages: because there is booster action in defeated kind of the road of the grooved of setting of the present invention to the intensity of cylinder, prevent the distortion of bunch planting cylinder, simultaneously; Adopt defeated kind of road of grooved and seed cabin, seed is got in the seed cabin by seed inlet along defeated kind of the road of arcuation grooved move, through dodge gate control seed region is set; Be implemented in and just be transfused in the bunch planting mouth after cylinder turns over a circle; Avoided seed to get into jumping out easily in the duck mouth process or thrown away and the phenomenon of broadcast leakage has taken place, in addition, seed cabin easy installation simple in structure; Baffle plate is divided into defeated kind of the road of grooved several sections arcuation grooved sections of equal in length; So just guaranteed seed after falling into defeated kind of the road of arcuation grooved, can get in the duck mouth corresponding, through the seed inlet of seed cabin accurately along its track with the rotation of bunch planting cylinder with seed cabin; The entering Tibetan is planted indoor, and seed random string can not occur; Transmission mechanism design of the present invention, simple in structure, be convenient to maintenance, increased the drum space, improved the height in defeated kind of the road of grooved, help preventing that seed from ejecting, make sowing more accurate, reduced the hole rate of bunch planting; Another advantage of the present invention is that replacing duck mouth is convenient, only needs the adjustment seed cabin to realize, and then makes the user when the replacing crop seeds is sowed, and realizes that the adjustment of different spacing in the rows is quick.
Description of drawings
Fig. 1 is a structural representation of the present invention, and the profile of C-C in the accompanying drawing 2;
Fig. 2 is the profile of A-A in the accompanying drawing 1;
Fig. 3 be in the accompanying drawing 1 D to view;
Fig. 4 is a B-B cutaway view in the accompanying drawing 3;
Fig. 5 is the end view of seed cabin among the present invention;
Fig. 6 is the cutaway view of accompanying drawing 5E-E;
Fig. 7 is the cutaway view in defeated kind of the road of grooved in the accompanying drawing 1.
Embodiment
Through embodiment characteristic of the present invention and other correlated characteristic are done further detailed explanation below in conjunction with accompanying drawing
With reference to Fig. 1-7, the label in the accompanying drawing is represented respectively: 1-bunch planting cylinder, 1-1-press mold wheel, 2-stopping-off piece, 3-main bearing seat, 4-bearing, 4-1-sealed bearing, 4-2-air-sucking type seeder bearing, 5-cylinder driving gear, 6-drum spindle, 7-air-sucking type seeder main shaft, 8-locknut, 9-air-sucking type seeder mainshaft gear, 10-intercommunicating pore, 11-hitch frame, 12-negative pressure suction tube, 13-kind case, 14-vacuum cavity, 15-seeds sucker, 16-visible mirror, 17-fill kind of a seat, 18-seed, 19-and fill kind of a chamber, 20-suction hole, 21-baffle plate, defeated kind of the road of 22-grooved, 23-seed cabin, 23-1-arcuation grooved inoculation section, 24-and open door, 25-duck mouth, 26-second transition gear, 27-bearing block, 28-power transmission shaft, 29-first transition gear, 30-jointed shaft, 31-balancing weight, 32-seed inlet, 33-and go out kind of a mouth, 34-and hide and plant that a chamber, 35-are spacing, 36-air-sucking type seeder goes out kind of a mouth.
With reference to Fig. 1-7, a kind of embodiment of the present invention is following:
Suction type precision seed bunch planting device of the present invention; Mainly comprise defeated kind of device composition of kind of a case, air-sucking type seeder, cylinder, negative pressure suction tube, gear and inoculation; Wherein, The air-sucking type seeder is arranged in the cylinder and is communicated with negative pressure suction tube, and a, gear are: drum spindle 6 is fixedly connected with the air-sucking type seeder for hollow tubular, and the main shaft 7 of air-sucking type seeder is arranged in the hollow tubular drum spindle 6; The bearing that is provided with on one of which end and the air-sucking type minute device connects and drives seeds sucker 15, and sealed bearing 4-1 and hollow tubular drum spindle 6 that the other end passes in the hollow tubular drum spindle 6 connect through gear; B, defeated kind of device of inoculation are: the going out between kind of mouth 36 and the duck mouth 25 to fail through grooved of air-sucking type seeder plants a road 22 and connects; Defeated kind of the road 22 of grooved is the circle annular; Be fixed on the inboard of cylinder 1 outer ring; Duck mouth 25 is arranged on the bottom in defeated kind of the road 22 of grooved, at kind of the mouth place of going into of each duck mouth 25 seed cabin 23 is set.Drum spindle 6 in the described gear is consistent with the axial line of air-sucking type seeder main shaft 7; Cooperate deceleration transmission successively through the air-sucking type seeder mainshaft gear 9 on cylinder driving gear 5, first transition gear 29, second transition gear 26, the seeder main shaft 7 between gear intermediate roll main shaft 6 and the seeder main shaft 7; Cylinder driving gear 5 on the described drum spindle 6 with the speed reducing ratio of the air-sucking type seeder mainshaft gear 9 of seeder main shaft 7 is: 3:1; It is inboard that defeated kind of the road 22 of grooved in defeated kind of the device of described inoculation is welded on bunch planting cylinder 1 outer ring, and its section configuration is for falling trapezoidal or bell mouth shape; Seed cabin 23 in defeated kind of the device of described inoculation comprises seed inlet 32, kind of a chamber 34, Tibetan, jointed shaft 30, opens door 24, goes out kind of mouth 33 and forms, and goes out kind of mouth 33 and is connected with kind of the mouth perforation of going into of duck mouth 25; The unlatching door 24 that described seed cabin 23 seed inlets 32 in defeated kind of the device of inoculation are provided with is bending at the end away from jointed shaft 30, and is added with balancing weight 31; Seed cabin 23 upper ends are provided with baffle plate 21 in defeated kind of the device of described inoculation, and baffle plate 21 fits with the two side in defeated kind of the road 22 of grooved, and defeated kind of the road 22 of grooved is divided into some annular grooved sections; It is 2mm that radial spacing is prolonged on the surface in defeated kind of the road 22 of the lower edge of described air-sucking type seeder and grooved.
Further specify:
The described device of present embodiment comprises kind of case 13, fills kind of seat 17, vacuum cavity 14, seeds sucker 15, air-sucking type seeder main shaft 7, hollow shape drum spindle 6 constitute.Wherein vacuum cavity 14 and hollow shape drum spindle 6 are threaded to one by employing; Hollow shape drum spindle 6 is fixed on the main bearing seat 3 through bearing 4; Main bearing seat 3 is fixing as a whole with stopping-off piece 2; End at main bearing seat 3 is provided with cylinder driving gear 5, and the other end of hollow shape drum spindle 6 is fixed on the hitch frame 11, and the negative pressure suction tube 12 on a side of axle is provided with intercommunicating pore 10 and is welded on hitch frame 11 communicates; Air in hitch frame 11 inner hollow, vacuum cavity 14 are through the intercommunicating pore 10 on hitch frame 11, negative pressure suction tube 12, hollow shape drum spindle 6 and the hollow shape drum spindle, are drawn out of and make and produce negative pressure in the vacuum cavity 14; One end of air-sucking type seeder main shaft 7 connects through the bearing on the seeder that is provided with and driving seeds sucker 15; The other end is fixed with air-sucking type seeder mainshaft gear 9 through locknut 8; Air-sucking type seeder mainshaft gear 9 and transition gear 26 engaged transmission, transition gear 26 is fixed on the bearing block 27 through power transmission shaft 28, and bearing block 27 is fixed on the hitch frame 11; The other end at power transmission shaft 28 is equipped with transition gear 29, transition gear 29 and cylindrical shell driving gear 5 engaged transmission.Drive mechanism of the present invention adopts the concentric speed change of disalignment all in the outside of bunch planting cylinder.At kind of case 13 and fill a visible mirror 16 can be installed between kind of the seat 17, be convenient to observe seeds sucker 15 suction kind situation on the suction hole 20 when work.On the inner periphery of bunch planting cylinder 1, defeated kind of the road 22 of grooved is installed with seeds sucker 15 corresponding positions; Defeated kind of road 22 of grooved is positioned at that integral body is the circle annular on bunch planting cylinder 1 inner peripheral wall; Grooved is equipped with seed cabin 23 in defeated kind of the road 22; Front upper part position at seed cabin 23 is provided with baffle plate 21, is duck mouth 25 with seed cabin 23 opposite positions on the excircle of bunch planting cylinder 1; Seed cabin can be by baffle plate 21, seed inlet 32, hide kind of a chamber 34, jointed shaft 30, open door 24, balancing weight 31, go out kind of mouth 33, spacing 35 and form; The jointed shaft 30 of opening door 24 is positioned at the position, middle and lower part of baffle plate 21, can in seed inlet 32, freely stir around jointed shaft 30, opens opening wide and closing of 24 control of door seed inlet 32; Open door 24 ends and be bending away from jointed shaft 30; And be added with balancing weight 31, and increase the gravity of its end, unlatching door 24 is stirred in seed inlet freely; Be provided with spacingly 35 in the inside of seed cabin 23, seed is got in the duck mouth 25 corresponding with seed cabin 23 accurately.
During work; Hitch frame 11 spurs bunch planting cylinder 1 forward moves in a circle bunch planting cylinder 1 forward; Drive the cylinder driving gear 5 that is fixed on the cylinder lateral wall simultaneously and rotate, cylinder driving gear 5 and first transition gear, 29 engaged transmission, promptly transition gear 29 rotates; First transition gear 29 and second transition gear 26 are fixed on the two ends of power transmission shaft 28; Promptly first transition gear 29 rotates and drives 26 rotations of second transition gear, second transition gear 26 and the 9 external toothing transmissions of air-sucking type seeder mainshaft gear, and air-sucking type seeder mainshaft gear 9 is fixed on the air-sucking type seeder main shaft 7; Rotate thereby drive air-sucking type seeder main shaft 7, promptly drive seeds sucker 15 and rotate.Seed 18 through kind of case 13 get into fill in kind of the chamber 19 after, the suction of the suction hole 20 place's negative pressure on the seeds sucker 15 that just is rotated pick up with fill kind of chamber 19 in seeds separate, realize dividing kind, the effect of scraping the seed brush down the realization essence measure kind.Along with being rotated further of seeds sucker 15; When a seed that is adsorbed turns to holding one's breath during the terminal of precision weighing seed implement; Negative pressure disappears, and seed falls in defeated kind of section 23-1 of arcuation grooved inoculation, along with bunch planting cylinder 1 moves forward in the effect of self gravitation; Seed 18 is also opened door 24 at this moment along defeated kind of section 23-1 of arcuation grooved inoculation and under the effect of its gravity, is progressively opened wide seed inlet 32; Seed gets in the duck mouth 25 corresponding with seed cabin 23 through the seed inlet 32 that becomes opening-wide state, is rotated further with bunch planting cylinder 1, and seed 18 is moved in the kind chamber, Tibetan 34 of the seed cabin 23 that is raised by duck mouth 25; When seed cabin 23 is thus lifted to the position of drum segment the top, opens door 24 and seed inlet 32 complete openings and limited 35 have been limited in this position; Along with being rotated further of bunch planting cylinder 1, to open door 24 and progressively close seed inlet 32, the seed of hiding in kind of the chamber 34 is got back to again in the duck mouth 25 through going out kind of mouth 33 along spacing 35 under its action of gravity; Wait to broadcast in the soil on ground along with duck mouth 25 inserts, along with opening of duck mouth, seed 18 by smart bunch planting in ground; Accomplish the sowing process; When this practicality was worked, the suction kind situation of suction hole 20 can be perfectly clear through what visible mirror 16 was observed on the seeds sucker 15, made kind of the situation of inhaling more directly perceived; Improve plantation efficient, reduced hole rate.
Though below design and instance according to the object of the invention have been done to elaborate with reference to accompanying drawing; But those of ordinary skills can recognize; Under the precondition that does not break away from the claim limited range; Still can make various improvement and conversion to the present invention, for example: be not limited to the cited mode of the foregoing description through gear drive between bunch planting drum spindle and the seeder main shaft, and this improvement and conversion still should belong to protection scope of the present invention.
Claims (9)
1. suction type precision seed bunch planting device; Mainly form by defeated kind of the device of kind of a case, air-sucking type seeder, cylinder, negative pressure suction tube, gear and inoculation; Wherein, The air-sucking type seeder is arranged in the cylinder and with negative pressure suction tube and is communicated with; It is characterized in that a, gear are: drum spindle (6) is fixedly connected with the air-sucking type seeder for hollow tubular, and the main shaft of air-sucking type seeder (7) is arranged in the hollow tubular drum spindle (6); The bearing (4-2) that is provided with on one of which end and the air-sucking type seeder connects and drives seeds sucker (15), and the sealed bearing (4-1) that the other end passes in the hollow tubular drum spindle (6) connects through gear with hollow tubular drum spindle (6); B, defeated kind of device of inoculation are: the going out between kind of a mouth (36) and the duck mouth (25) to fail through grooved of air-sucking type seeder plants a road (22) and connects; Defeated kind of road (22) of grooved is the circle annular; Be fixed on the inboard of cylinder (1) outer ring; Duck mouth (25) is arranged on the bottom in defeated kind of road (22) of grooved, at kind of the mouth place of going into of each duck mouth (25) seed cabin (23) is set.
2. suction type precision seed bunch planting device according to claim 1 is characterized in that, the drum spindle in the described gear (6) is consistent with the axial line of air-sucking type seeder main shaft (7).
3. suction type precision seed bunch planting device according to claim 1; It is characterized in that, cooperate deceleration transmission successively through the air-sucking type seeder mainshaft gear (9) on cylinder driving gear (5), first transition gear (29), second transition gear (26), the seeder main shaft (7) between described gear intermediate roll main shaft (6) and the seeder main shaft (7).
4. suction type precision seed bunch planting device according to claim 3; It is characterized in that the speed reducing ratio of the air-sucking type seeder mainshaft gear (9) on cylinder driving gear (5) on the described gear intermediate roll main shaft (6) and the seeder main shaft (7) is: 2:1 or 3:1 or 5:1.
5. suction type precision seed bunch planting device according to claim 1 is characterized in that, it is inboard that defeated kind of road (22) of the grooved in defeated kind of the device of described inoculation is fixed on cylinder (1) outer ring, and its section configuration is for falling trapezoidal or bell mouth shape.
6. suction type precision seed bunch planting device according to claim 1; It is characterized in that; The defeated seed cabin (23) of planting in the device of described inoculation comprises seed inlet (32), kind of a chamber (34), Tibetan, jointed shaft (30), opens door (24), goes out kind of a mouth (33), goes out kind of a mouth (33) and is connected with kind of the mouth perforation of going into of duck mouth (25).
7. suction type precision seed bunch planting device according to claim 6; It is characterized in that; The unlatching door (24) that described seed cabin (23) seed inlet (32) in defeated kind of the device of inoculation is provided with is bending at the end away from jointed shaft (30), and is added with balancing weight (31).
8. suction type precision seed bunch planting device according to claim 1; It is characterized in that; Seed cabin (23) upper end is provided with baffle plate (21) in defeated kind of the device of described inoculation; Baffle plate (21) fits with the two side in defeated kind of road (22) of grooved, and defeated kind of road (22) of grooved is divided into some annular grooved sections.
9. suction type precision seed bunch planting device according to claim 1 is characterized in that, it is 2-8mm that radial spacing is prolonged on the surface in defeated kind of road (22) of the lower edge of described air-sucking type seeder and grooved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010179426XA CN101878689B (en) | 2010-05-22 | 2010-05-22 | Suction type precision seed extracting and bunch seeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010179426XA CN101878689B (en) | 2010-05-22 | 2010-05-22 | Suction type precision seed extracting and bunch seeding device |
Publications (2)
| Publication Number | Publication Date |
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| CN101878689A CN101878689A (en) | 2010-11-10 |
| CN101878689B true CN101878689B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010179426XA Expired - Fee Related CN101878689B (en) | 2010-05-22 | 2010-05-22 | Suction type precision seed extracting and bunch seeding device |
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| CN (1) | CN101878689B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057847B (en) * | 2010-11-13 | 2012-03-21 | 陈恒 | Bunch planting device capable of automaticallu covering mulch |
| CN106489377B (en) * | 2016-10-08 | 2018-09-04 | 吉林大学 | Aspirated-air type low level zero-speed sows feed mechanism for seed |
| CN110100539A (en) * | 2019-05-30 | 2019-08-09 | 安徽省农业科学院农业工程研究所 | It is multi-functional just to debug fine seeder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001286202A (en) * | 2000-04-06 | 2001-10-16 | Yazaki Corp | Seeding machine |
| KR100980585B1 (en) * | 2008-06-20 | 2010-09-06 | 구진섭 | A seed hopper from seedtime volume of supply regulation equipment |
| CN201355917Y (en) * | 2009-01-21 | 2009-12-09 | 陈恒 | Pneumatic bunch planting device capable of taking seeds in precise quantity |
| CN201393383Y (en) * | 2009-05-18 | 2010-02-03 | 陈恒 | Air-suction precision sowing device |
| CN201674782U (en) * | 2010-05-22 | 2010-12-22 | 陈恒 | Air suction type precision seed taking bunch planting device |
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2010
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