CN102742403A - Air cavity rolling type precision hole sowing device - Google Patents
Air cavity rolling type precision hole sowing device Download PDFInfo
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- CN102742403A CN102742403A CN2012102829316A CN201210282931A CN102742403A CN 102742403 A CN102742403 A CN 102742403A CN 2012102829316 A CN2012102829316 A CN 2012102829316A CN 201210282931 A CN201210282931 A CN 201210282931A CN 102742403 A CN102742403 A CN 102742403A
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Abstract
The invention relates to a component for an agricultural seeding machine, in particular to an air cavity rolling type precision hole sowing device which is suitable for use on a precision seeding machine. The air cavity rolling type precision hole sowing device mainly comprises a roller ring (28), a film pressing wheel (1) and a negative pressure cavity (27), wherein the roller ring (28) and the film pressing wheel (1) are combined to form a hole sowing roller, and the negative pressure cavity (27) is arranged in the roller ring. Teeth or gears are arranged in the negative pressure cavity (27), and through a transmission system, rotating power of the hole sowing roller drives the negative pressure cavity (27) to rotate. The air cavity rolling type precision hole sowing device is characterized in that in the transmission system, an eccentric transmission shaft (11) is arranged at an eccentric position of the film pressing wheel (1), a gear is arranged on the eccentric transmission shaft (11), so that when the film pressing wheel (1) rotates, the eccentric transmission shaft (11) rotates around a central shaft (8) of the film pressing wheel (1) and further drives the negative pressure cavity (27) to rotate through a gear set. The air cavity rolling type precision hole sowing device has the advantages that by optimized design of the transmission system enabling the hole sowing roller to drive the negative pressure cavity, the whole machine is simple in structure and convenient to operate, adjust and maintain, and stability and durability of machine tools are improved.
Description
Technical field
The present invention relates to the parts on a kind of agricultural seeding machine, particularly a kind of air cavity roller precise hole sowing device is applicable to using on the precision sower.
Technical background
At present, along with the development that deepens continuously of precision agriculture, paces have also been accelerated to the agricultural machinery modernization development as the precision drilling farm machinery of sowing link in the precision agriculture.Especially a kind of precise hole sowing facility; Because the needs of expensive breeding and accurate agronomy; The new technology of these facility continued to bring out in recent years; New product constantly emerges, and the application of precise hole sowing machine in the precision drilling operation of China more and more widely can be carried out precision drilling or precise hole sowing to the crop that all need such as corn, sunflower, seed melon, watermelon, cotton, beet, capsicum carry out precision drilling almost omnipotently on air inhaling type fine sowing machine and the air-sucking type film.The core technology of this type facility all concentrates on the air-sucking type precision weighing seed implement, and the intensity of its negative pressure is measured mass with service behaviour and essence that stability will directly have influence on precision weighing seed implement.Usually the negative pressure air-sucking type seed-taking device in the bunch planting cylinder (or claiming seeder) comprises seeds sucker and negative pressure cavity composition, during use, makes seeds sucker be fixed on the end face of negative pressure cavity through coupling spindle; Seeds sucker is a disk; The circumferencial direction that prolongs disk border is uniformly distributed with the suction hole of equidistance, during work, bleeds through the air intake duct that connects with negative pressure cavity; Seeds sucker drives through central shaft simultaneously; In the end face rotation of negative pressure cavity, seeds sucker rotation purpose will be accomplished two tasks, and the one, be drawn onto suction hole (or two) to seed; The 2nd,, a seed that is drawn onto (handling through seed scraping device) is separated with seed-taking device under action of gravity at voltage discharging area (bottom of negative pressure cavity is provided with fan-shaped voltage discharging area).Seeds sucker cooperates because be slidingly matched (the two relatively rotates) with negative pressure cavity, and its sealed precision depends on the machining accuracy of seeds sucker and negative pressure cavity counterface, but guarantees that in relative motion sealing is impossible.Actual situation is, there is inevitable gap in the junction of seeds sucker and negative pressure cavity, causes gas leakage, and the result of gas leakage can cause negative pressure unstable, and then can possibly occur inhaling the situation less than seed, makes planting rates decline not reach 100% planting rates.The Chinese patent document discloses air cavity roller precise hole sowing device on October 12nd, 2011; Publication number is CN102210207A; This device mainly comprises bunch planting cylinder, press mold wheel, negative pressure seed-taking device body; Connect through bearing between bunch planting cylinder, press mold wheel, negative pressure seed-taking device body and the drum spindle; The press mold wheel connects with negative pressure seed-taking device body through gear train or chain, drives the rotation of negative pressure seed-taking device body, and described press mold wheel connects with negative pressure seed-taking device body through gear train; Be by through being fixed on first fixing on the stiffener on press mold wheel gear tooth or the gear of drive fixing on second gear on gear drive or the sprocket shaft bracing frame, the 3rd gear and vacuum cavity successively, wherein gear drive shaft supporting frame and drum spindle are fixedly connected.The advantage of this device is: adopt vacuum cavity to rotate the smart amount of the form realization seeding of holding one's breath and combining with slide block, the negative pressure cavity good leak tightness makes negative pressure more stable, has reduced the air leakage of vacuum cavity, has improved kind of the rate of getting, and then reduces hole rate; Increase the service life of seeds sucker, reduced power consumption; Can obviously improve speed of drilling, use said device tractor gait of march can realize 4-6 kilometer/hour.The inventor states in the technology on the implementation, finds described gear drive shaft supporting frame in long-term work, and is unstable sometimes, and overall structure is compact inadequately.
Summary of the invention
The objective of the invention is the weak point according to above-mentioned prior art, to the running part of above-mentioned prior art a kind of metastable transmission device is provided, make equipment more reasonable, durable, sowing accurately.
The objective of the invention is to realize like this:
The present invention mainly comprises cylinder circle 28, press mold wheel 1, vacuum cavity 27; Wherein, cylinder circle 28 is combined to form the bunch planting cylinder with press mold wheel 1, and vacuum cavity 27 places in the cylinder circle; And tooth or gear be set on the vacuum cavity 27; Through transmission system the rotary power of bunch planting cylinder is driven vacuum cavity 27 rotations, the eccentric position that described transmission system is included in press mold wheel 1 is provided with eccentric drive shaft 11, second gear 10 that the 3rd gear 14 that drives vacuum cavity 27 is set and connects with 7 engagements of first gear or chain on the bunch planting drum central axis 8 at eccentric drive shaft 11; 3 engagements of air cavity gear or chain on the 3rd gear 14 and the vacuum cavity 27 connect; Make that eccentric drive shaft 11 rotates around the central shaft 8 of press mold wheel 1 when 1 rotation of press mold wheel, and then drive vacuum cavity 27 rotations through gear train; Be fixedly connected between first gear 7 on the described bunch planting drum central axis 8 and the bunch planting drum central axis 8; Described vacuum cavity 27 is stepped, is air cavity gear 3 at the cylindrical of stepped smaller portions; Described vacuum cavity 27 connects through air cavity bearing 4 with bunch planting drum central axis 8; The negative pressure channel 9 of circular hole is set in the described bunch planting drum central axis 8, and negative pressure channel 9 communicates with vacuum cavity 27; Described bunch planting drum central axis 8 is provided with press mold wheel bearing 6, makes cylinder circle 28, press mold wheel 1 to rotate around bunch planting drum central axis 8; Connect through eccentric gearing axle bearing 12 between the eccentric position of described press mold wheel 1 is provided with eccentric drive shaft 11 and press mold takes turns 1, self be able to rotation when making eccentric drive shaft 11 with 1 rotation of press mold wheel; The eccentric position of press mold wheel 1 is provided with second gear 10 and the 3rd gear 14 that is provided with on the eccentric drive shaft 11, and wherein second gear 10 is in the outside of bunch planting cylinder.
Advantage of the present invention is: through the optimal design to bunch planting drum driven vacuum cavity transmission system, making simple in structure, the operation adjustment and easy to maintenance of complete machine has increased facility stability and durability.Adopt vacuum cavity to rotate the smart amount of the form realization seeding of holding one's breath and combining with slide block, the negative pressure cavity good leak tightness makes negative pressure more stable, has reduced the air leakage of vacuum cavity, has improved kind of the rate of getting, and then reduces hole rate, has further improved the smart stability of planting of measuring.
Description of drawings
Fig. 1 is a kind of structure cutaway view of the present invention;
Fig. 2 is that partial sectional view is looked on a left side in the accompanying drawing 1.
Embodiment
Below in conjunction with accompanying drawing technical characterictic of the present invention and correlation technique characteristic are done further explain, so that technical staff of the same trade understands.
Like accompanying drawing 1-2 signal, the label among the figure is represented respectively: 1-press mold wheel, 2-air cavity bearing block, 3-air cavity gear, 4-air cavity bearing, 5-press mold wheel bearing seat, 6-press mold wheel bearing, 7-the first gear (fixing), 8-central shaft, 9-negative pressure channel, 10-the second gear, 11-eccentric drive shaft, 12-eccentric gearing axle bearing, 13-power transmission shaft bearing, 14-the three gear, 15-airtight seal, 16-negative pressure through-hole, 17-kind of case, 18-inoculation box, 19-suction hole, 20-negative pressure cavity, 21-seeds sucker base, 22-seeds sucker bearing, 23-seeds sucker, the 24-connecting rod of holding one's breath, the 25-slide block of holding one's breath, 26-spring, 27-vacuum cavity, 28-cylinder circle, 29-duck mouth.
With reference to Fig. 1-2; The present invention mainly comprises cylinder circle 28, press mold wheel 1, vacuum cavity 27, and wherein, cylinder circle 28 is combined to form the bunch planting cylinder with press mold wheel 1; Vacuum cavity 27 places in the cylinder circle; And tooth or gear are set on the vacuum cavity 27, through rotary power driving vacuum cavity 27 rotations of transmission system with the bunch planting cylinder, the outer rim of cylinder circle 28 evenly is provided with duck mouth 29; The eccentric position that described transmission system is included in press mold wheel 1 is provided with eccentric drive shaft 11; The 3rd gear 14 that drives vacuum cavity 27 is set and second gear, 10, the three gears 14 that connect with first gear, 7 engagements (or chain) on the bunch planting drum central axis 8 connect with air cavity gear 3 engagements (or chain) on the vacuum cavity 27 at eccentric drive shaft 11, makes and take turns 1 when rotating at press mold; Eccentric drive shaft 11 rotates around the central shaft 8 of press mold wheel 1, and then drives vacuum cavity 27 rotations through gear train; Be fixedly connected between first gear 7 on the described bunch planting drum central axis 8 and the bunch planting drum central axis 8; Described vacuum cavity 27 is stepped, is air cavity gear 3 at the cylindrical of stepped smaller portions; Described vacuum cavity 27 connects through air cavity bearing 4 with bunch planting drum central axis 8; The negative pressure channel 9 of circular hole is set in the described bunch planting drum central axis 8, and negative pressure channel 9 communicates with vacuum cavity 27; Described bunch planting drum central axis 8 is provided with press mold wheel bearing 6, makes cylinder circle 28, press mold wheel 1 to rotate around bunch planting drum central axis 8; Connect through eccentric gearing axle bearing 12 between the eccentric position of described press mold wheel 1 is provided with eccentric drive shaft 11 and press mold takes turns 1, self be able to rotation when making eccentric drive shaft 11 with 1 rotation of press mold wheel; The eccentric position of press mold wheel 1 is provided with second gear 10 and the 3rd gear 14 that is provided with on the eccentric drive shaft 11, and wherein second gear 10 is in the outside of bunch planting cylinder.Usually the pressing mold wheel is 2:1-3:1 with the rotating ratio of vacuum cavity; Through adjusting the diameter of the engagement of first gear 7, second gear 10, the 3rd gear 14 and air cavity gear 3; Make each gear mate each other and realize that the different rotating speed ratio is to satisfy the demands; This is technical staff institute of the same trade understanding easily, repeats no more at this.
Further specify: press mold is taken turns 1 eccentric position and is provided with power transmission shaft bearing 13; Central shaft 8 is installed on press mold wheel bearing seat 5 and the power transmission shaft bearing 13 through bearing 6 and bearing 12 respectively with eccentric drive shaft 11; The eccentric position of press mold wheel 1 is provided with second gear 10 and the 3rd gear 14 that is provided with on the eccentric drive shaft 11; Wherein second gear 10 can be convenient to safeguard in the outside of bunch planting cylinder like this, is fixed with fixed gear 7 on the central shaft 8; The air cavity bearing block 2 of vacuum cavity 27 is provided with air cavity gear 3; Air cavity gear 3 successively with the 3rd gear 14, second gear 10,7 engagements of first gear, also can adopt chain to connect certainly, this be technical staff institute of the same trade understanding easily; The negative pressure seed-taking device is made up of with obturating system seeds sucker 23, vacuum cavity 27, central shaft 8; The periphery of seeds sucker 23 and centre link with vacuum cavity 27, seeds sucker base 21 respectively; Central shaft 8 is installed in the center of vacuum cavity 3 and seeds sucker 23 respectively through seeds sucker bearing on the seeds sucker base 21 22 and the air cavity bearing block 2 interior air cavity bearing 4 gentle sealing rings 15 on the vacuum cavity 27; Seeds sucker 23 produces negative pressure cavity 20 with being connected of vacuum cavity 27; Seeds sucker 23 is provided with suction hole 19, and central shaft 8 is provided with negative pressure through-hole 16 and negative pressure channel 9, and suction hole 19 communicates with negative pressure channel 9 through negative pressure cavity 20, negative pressure through-hole 16; Obturating system is located in the negative pressure cavity 20, is made up of the connecting rod 24 of holding one's breath, the slide block 25 of holding one's breath, spring 26.
Though below design and embodiment 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, and this improvement and conversion still should belong to protection scope of the present invention.
Claims (8)
1. air cavity roller precise hole sowing device; Mainly comprise cylinder circle (28), press mold wheel (1), vacuum cavity (27); Wherein, Cylinder circle (28) and press mold wheel (1) are combined to form the bunch planting cylinder, and vacuum cavity (27) places in the cylinder circle, and on the vacuum cavity (27) tooth or gear is set; Through rotary power driving vacuum cavity (27) rotation of transmission system with the bunch planting cylinder; It is characterized in that the eccentric position that described transmission system is included in press mold wheel (1) is provided with eccentric drive shaft (11), second gear (10) that the 3rd gear (14) that drives vacuum cavity (27) is set and connects at eccentric drive shaft (11) with first gear (7) engagement or chain on the bunch planting drum central axis (8); Air cavity gear (3) engagement or chain on the 3rd gear (14) and the vacuum cavity (27) connect; Make that eccentric drive shaft (11) rotates around the central shaft (8) of press mold wheel (1) when press mold wheel (1) rotation, and then drive vacuum cavity (27) rotation through gear train.
2. air cavity roller precise hole sowing device according to claim 1 is characterized in that, is fixedly connected between first gear (7) on the described bunch planting drum central axis (8) and the bunch planting drum central axis (8).
3. air cavity roller precise hole sowing device according to claim 1 is characterized in that described vacuum cavity (27) is stepped, is air cavity gear (3) at the cylindrical of stepped smaller portions.
4. air cavity roller precise hole sowing device according to claim 1 is characterized in that, described vacuum cavity (27) connects through air cavity bearing (4) with bunch planting drum central axis (8).
5. air cavity roller precise hole sowing device according to claim 1 is characterized in that, the negative pressure channel (9) of circular hole is set in the described bunch planting drum central axis (8), and negative pressure channel (9) communicates with vacuum cavity (27).
6. air cavity roller precise hole sowing device according to claim 1; It is characterized in that; Described bunch planting drum central axis (8) is provided with press mold wheel bearing (6), makes cylinder circle (28), press mold wheel (1) to rotate around bunch planting drum central axis (8).
7. air cavity roller precise hole sowing device according to claim 1; It is characterized in that; The eccentric position of described press mold wheel (1) is provided with between eccentric drive shaft (11) and the press mold wheel (1) and connects through eccentric gearing axle bearing (12), makes eccentric drive shaft (11) take turns with press mold and self is able to rotate when (1) rotates.
8. air cavity roller precise hole sowing device according to claim 1; It is characterized in that; The eccentric position of described press mold wheel (1) is provided with eccentric drive shaft (11) and goes up second gear (10) and the 3rd gear (14) that is provided with, and wherein second gear (10) is in the outside of bunch planting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102829316A CN102742403A (en) | 2012-08-10 | 2012-08-10 | Air cavity rolling type precision hole sowing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102829316A CN102742403A (en) | 2012-08-10 | 2012-08-10 | Air cavity rolling type precision hole sowing device |
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| CN102742403A true CN102742403A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102829316A Pending CN102742403A (en) | 2012-08-10 | 2012-08-10 | Air cavity rolling type precision hole sowing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584741A (en) * | 2015-02-10 | 2015-05-06 | 王飞 | Vacuum seed picking and sowing device |
| CN104737676A (en) * | 2015-04-23 | 2015-07-01 | 北屯金璞机械制造有限公司 | Row spacing-adjustable air-suction precision seeding device |
| CN104770119A (en) * | 2015-04-29 | 2015-07-15 | 临沭县东泰机械有限公司 | Duckbilled seed metering device for peanut seeder and use method of duckbilled seed metering device |
| CN105706599A (en) * | 2016-03-24 | 2016-06-29 | 兰州大学 | Back-mounted orchard no-tillage precise fertilization apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160487A (en) * | 2011-04-26 | 2011-08-24 | 徐艺 | Same-speed air cavity rolling type bunch planting device |
| CN102210207A (en) * | 2011-04-26 | 2011-10-12 | 徐艺 | Air cavity rolling-type precision hole sowing device |
| CN202121939U (en) * | 2011-06-28 | 2012-01-25 | 陈恒 | Air-suction type hole sowing device driven by internal teeth |
| CN202679941U (en) * | 2012-08-10 | 2013-01-23 | 陈恒 | Gas cavity rolling type fine measurement hole-sowing device |
-
2012
- 2012-08-10 CN CN2012102829316A patent/CN102742403A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160487A (en) * | 2011-04-26 | 2011-08-24 | 徐艺 | Same-speed air cavity rolling type bunch planting device |
| CN102210207A (en) * | 2011-04-26 | 2011-10-12 | 徐艺 | Air cavity rolling-type precision hole sowing device |
| CN202121939U (en) * | 2011-06-28 | 2012-01-25 | 陈恒 | Air-suction type hole sowing device driven by internal teeth |
| CN202679941U (en) * | 2012-08-10 | 2013-01-23 | 陈恒 | Gas cavity rolling type fine measurement hole-sowing device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584741A (en) * | 2015-02-10 | 2015-05-06 | 王飞 | Vacuum seed picking and sowing device |
| CN104584741B (en) * | 2015-02-10 | 2017-05-24 | 王飞 | Vacuum seed picking and sowing device |
| CN104737676A (en) * | 2015-04-23 | 2015-07-01 | 北屯金璞机械制造有限公司 | Row spacing-adjustable air-suction precision seeding device |
| CN104737676B (en) * | 2015-04-23 | 2016-10-05 | 北屯金璞机械制造有限公司 | A kind of regulatable fertilizer applicator air-suction precision sowing device |
| CN104770119A (en) * | 2015-04-29 | 2015-07-15 | 临沭县东泰机械有限公司 | Duckbilled seed metering device for peanut seeder and use method of duckbilled seed metering device |
| CN105706599A (en) * | 2016-03-24 | 2016-06-29 | 兰州大学 | Back-mounted orchard no-tillage precise fertilization apparatus |
| CN105706599B (en) * | 2016-03-24 | 2017-10-03 | 兰州大学 | Backpack orchard is no-tillage Tree Precise Fertilization device |
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Application publication date: 20121024 |