CN201378936Y - Combined precision seeder - Google Patents
Combined precision seeder Download PDFInfo
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- CN201378936Y CN201378936Y CN200920084251U CN200920084251U CN201378936Y CN 201378936 Y CN201378936 Y CN 201378936Y CN 200920084251 U CN200920084251 U CN 200920084251U CN 200920084251 U CN200920084251 U CN 200920084251U CN 201378936 Y CN201378936 Y CN 201378936Y
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- seed
- seeding
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Abstract
The utility model discloses a combine precision planter has solved and has probably caused the seed damaged, leak the seeding in the current seeder working process, influences work efficiency and seeding quality, and the inconvenient problem of adjusting the plant spacing. The technical scheme includes that the seeding unit comprises a support, a roller assembly, a positive and negative air pressure working assembly and a seeding unit, wherein the seeding unit in the seeding unit comprises a seed box, a seed guide pipe and a seed storage box, a pneumatic seeding device is arranged in the seed storage box, the pneumatic seeding device comprises a seeding disc movably sleeved on the center of a stator, an airtight positive pressure area is arranged in the stator, a space between the seeding disc and the stator forms an airtight negative pressure area, and the periphery of the seeding disc is uniformly provided with a plurality of slots which can be respectively communicated with the positive pressure area and the negative pressure area and are provided with nozzles in an inserted mode. The utility model discloses but simple structure, reliability height precision seed metering effectively reduce the broken loss of seed and miss the problem emergence, and conveniently adjust the combined precision planter of plant spacing, row spacing.
Description
Technical field
The utility model relates to a kind of farm machinery, a kind of specifically associating precision sower.
Background technology
Sale and domestic widely used combined drill function are various in the market, can have the multiple function of rotary tillage, fertilising, trench digging, sowing or the like simultaneously as the rape combined drill, have improved operating efficiency greatly.But in having the sowing unit of sowing function, its seed plate of pneumatic type seeding unit commonly used is installed between air chamber and the case, even recess hole suction is planted by opening on the seed plate that rotates, seeding, this pneumatic type seeding unit complex structure, adopt the seed plate of recess hole structure, course of work further groove pore volume is many seeds of absorption easily, cause replay, during the recess hole absorbed seed, may cause the seed breakage, damaged seed stops up recess hole easily, cause broadcast leakage, influence operating efficiency and seeding quality, bring the seed waste, improved production cost.And owing to seeding unit complex structure, recess hole layout are fixed, the adjusting to spacing in the rows in the sowing process of pneumatic type seeding unit is very inconvenient.
In addition, the positive and negative air-pressure of pneumatic type seeding unit adopts machine driving to drive vavuum pump and provides, and also there is complex structure in machine driving, and is bulky, and transmission efficiency is low, the problem that cost is high.
Summary of the invention
The purpose of this utility model is in order to solve the problems of the technologies described above, provide a kind of simple in structure, reliability is high, can the seeding of smart amount, effectively reduce seed breakage and broadcast leakage problem and take place, and the convenient associating precision sower of regulating spacing in the rows, line-spacing.
Technical scheme comprises support, the roller assembly, positive and negative air-pressure work assembly and sowing unit, wherein, the sowing unit comprises double disk opener, trailing bar, drive press wheel and seeding unit, described seeding unit comprises that front end is connected with seed box, the rear end is connected with grain conductor holds kind of a case, described holding is provided with the pneumatic type seeding unit in kind of the case, described pneumatic type seeding unit comprises the seed plate that is actively socketed on the stator center, be provided with airtight zone of positive pressure in the described stator, space between seed plate and the stator forms airtight negative pressuren zone, also be provided with corresponding with zone of positive pressure and negative pressuren zone respectively pore on the described stator, described seed plate perimembranous evenly is provided with a plurality of slots that are fitted with nozzle that can be communicated with zone of positive pressure and negative pressuren zone respectively, and described nozzle end has inhales kind of a mouth; Described two pores are communicated with the positive pressure interface and the negative pressure interface of positive and negative air-pressure work assembly through gas circuit respectively.
Described seed plate is through the column pivot bush unit of bearing and stator center.
Described suction kind mouth is positioned at the nozzle end side.
Described suction kind mouth is the circular opening of aperture less than the seed path length.
Described positive and negative air-pressure work assembly comprises the vavuum pump that is driven by direct current generator, and the pore that the positive pressure interface of described vavuum pump is corresponding with zone of positive pressure on the described stator is communicated with, and the pore that the negative pressure interface is corresponding with negative pressuren zone on the described stator is communicated with.
Described negative pressure interface is provided with the pressure-regulating valve that is used to change vavuum pump output vacuum magnitude.
Rotovator, fertilising unit and plough also are housed on the described support.
With the corresponding pivot bush unit in seed plate center with stator center, between seed plate and stator, form the zone of positive pressure and the negative pressuren zone of sealing, each corresponding pore that is located on the stator of described zone of positive pressure and negative pressuren zone, be used for ventilation or suction air to form local malleation or negative pressure, can utilize the better seeding of gravity of seed self.Be fitted with nozzle on the slot that described seed plate perimembranous evenly is provided with, nozzle end has inhales kind of a mouth.Seed plate is driven and can rotates around stator center, and nozzle is rotated through slot thereupon, just is communicated with negative pressuren zone when through negative pressuren zone; When going to zone of positive pressure, then be communicated with, thereby nozzle interior forms corresponding negative pressure or barotropic state with zone of positive pressure.
Described seed plate is through the column pivot bush unit at bearing and plenum chamber center, and during rotation, seed plate is that rotate at the center with the column.The slot of described seed plate perimembranous can evenly be provided with a plurality of, and the quantity of slot can require to set in advance according to spacing in the rows, as 3,4,6,12 or the like.Described nozzle is inserted in the slot, and can dismantle as required.Inhaling kind of size in the aperture of mouth and number on the described nozzle can change according to the needs of sowing seed and quantity.For avoiding the negative-pressure adsorption kind period of the day from 11 p.m. to 1 a.m, may cause seed breakage or seed to stop up, the aperture of inhaling kind mouthful should be less than the path length of (preferably being slightly smaller than) seed, and each is inhaled kind mouthful can just in time adsorb a seed and seed is bled in the hole, thus the problem of also having avoided adsorbing many seeds.
The positive and negative air-pressure of described seed plate is provided by positive and negative air-pressure work assembly, it has changed the type of belt drive of existing machinery transmission drive vavuum pump, adopt direct current generator to drive vavuum pump, simple in structure, transmission efficiency is high, reliability is high, described direct current generator can be by driving as the power supply on the tractor of draw-gear, and also other power supply drives.Pressure-regulating valve is the negative pressure pressure that is used for regulating vavuum pump output, and it is excessive and cause the seed fragmentation, stop up the generation of inhaling problems such as kind of mouth to avoid inhaling kind of mouth absorbed seed pressure.Those skilled in the art also can install rotovator with rotary tillage function, have the fertilising unit of fertilizing functions and have plough of trench digging function or the like according to the needs of sower function.
The utlity model has multiple function, simple in structure, easy to operate, transmission efficiency is high; Rotate by seed plate, make to form negative pressure or barotropic state in the nozzle, thereby finish the purpose of absorbed seed and seeding, can smartly measure seeding, effectively reduce seed breakage and broadcast leakage problem and take place, and convenient spacing in the rows, the line-spacing regulated, the precision drilling of small-sized seed in being specially adapted to.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of sowing unit;
Fig. 3 is the structural representation of seeding unit;
Fig. 4 is a positive and negative air-pressure work assembly structure schematic diagram;
Fig. 5 overlooks for positive and negative air-pressure work assembly intention is installed;
Fig. 6 is the seeding unit scheme of installation;
Fig. 7 is the structural representation of stator;
Fig. 8 is the A-A cutaway view of Fig. 7;
Fig. 9 is the structural representation of seed plate;
Figure 10 is the B-B cutaway view of Fig. 9.
Among the figure: 1-rotovator, 2-support, 3-fertilising unit, 4-plough, 5-roller assembly, 6-positive and negative air-pressure work assembly, 7-gas circuit, 8-sowing unit, 9-bracing frame, 10-direct current generator, 11-vavuum pump, 11.1-positive pressure interface, 11.2-negative pressure interface, 12-pressure-regulating valve, 13-double disk opener; 14-seeding unit, 15-trailing bar, 16-chain wheel driving mechanism; 17-driving press wheel, 18-seed box, 19-hold kind of a case, 20-turning cylinder, 21-pneumatic type seeding unit, 22-grain conductor, 23-seed plate, 24-bearing, 25-nozzle, 26-stator, 27-negative pressuren zone, 28-pore, 29-column, 30-zone of positive pressure, 31-suction kind of mouth, 32-slot.
Embodiment
Below in conjunction with accompanying drawing the utility model is further explained explanation:
With reference to accompanying drawing, the utility model is made of the rotovator 1, fertilising unit 3, plough 4, roller assembly 5, positive and negative air-pressure working cell 6, the sowing unit 7 that are installed on the support 2.Plough 4 in the course of the work can according to job requirements ditch spacing and the trench digging degree of depth; Roller in the roller assembly 5 drives fertilising unit 3 by transmission mechanism and applies fertilizer in the sowing process, positive and negative air-pressure working cell 6 is made of the direct current generator 10, the vavuum pump 11 that are installed in the bracing frame 9, described vavuum pump 11 is provided with positive pressure interface 11.1 and negative pressure interface 11.2, negative pressure interface 11.2 is provided with the pressure-regulating valve 12 that is used to change vavuum pump output vacuum magnitude, and direct current generator 10 can drive vavuum pump 11 work by the power supply on the tractor.
Described sowing unit 7 comprises double disk opener 13, trailing bar 15, drive press wheel 17 and seeding unit 14, described seeding unit 14 comprises that front end is connected with seed box 18, the rear end is connected with grain conductor 22 holds kind of case 19, described holding is provided with pneumatic type seeding unit 21 in kind of the case 19, seed plate 23 is by column 29 pivot bush units of bearing 24 with stator 26 centers in the described pneumatic type seeding unit 21, described stator 26 is fixedly mounted on and holds on kind of the case 19, be provided with airtight zone of positive pressure 30 in it, space between seed plate 23 and the stator 26 forms airtight negative pressuren zone 30, go back corresponding two pores 28 that are communicated with zone of positive pressure 30 and negative pressuren zone 27 respectively that are provided with on the described stator 26, the perimembranous of described seed plate 23 evenly is provided with a plurality of 12 slots 32 that can be communicated with zone of positive pressure 30 and negative pressuren zone 27 respectively and (is each slot 32 when rotating or is in the state that is communicated with zone of positive pressure 30, or be in the state that is communicated with negative pressuren zone 27), be fitted with nozzle 25 on the described slot 32, the end profile of nozzle 25 has circular kind of the mouth 9 of inhaling, and the aperture of described suction kind mouth 9 is less than the path length of seed.Described seed plate 23 can utilize transmission mechanism to drive its rotation, in the present embodiment, adopts to drive the end of press wheel 17 by chain wheel driving mechanism 16 connection turning cylinders 20, and the other end of turning cylinder 20 connects seed plate 23 and drives its rotation.Zone of positive pressure 30 corresponding pores 28 are communicated with on the positive pressure interface 11.1 of described vavuum pump 11 and the described stator 26, corresponding pore 28 connections of negative pressuren zone 27 on negative pressure interface 11.2 and the described stator 26.
Operation principle:
The utility model associating precision sower moves ahead by tractor-drawn, the roller of roller assembly 5 rotates, while rotovator 1 rotary tillage soil, plough 4 is left major groove, and fertilizer is executed out via fertilising unit 3, sows two disks in the unit 7 13 devices of ditching thereupon and leaves ditch, seed in the seeding unit 14 in the seed box flows into and holds in the raising middle flask 19, and discharged by grain conductor 22 again after 21 absorption of pneumatic type seeding unit, the positive and negative air-pressure of described pneumatic type seeding unit 21 is provided by vavuum pump 11, and air pressure is adjustable.Again by trailing bar 15 earthing on seed, drive press wheel 17 compacting soil layers after seed is discharged, but adopt the utility model sower complete mechanicalization to finish the whole operation of sowing.
Wherein, described driving press wheel 17 rotates and drives seed plate 23 and rotate around column 29 by chain wheel driving mechanism 16, turning cylinder 20, velocity of rotation can be regulated by the gearratio of chain wheel driving mechanism 16, during rotation, when nozzle 25 is driven, when turning to the position corresponding with negative pressuren zone 27, respective nozzles 25, slot 32, negative pressuren zone 27 are communicated with, form negative pressure in the nozzle 25, seed is adsorbed in kind of mouth 9 places and carries seed be rotated further by inhaling kind mouthfuls 9; When nozzle 25 went to the position of corresponding zone of positive pressure 30, respective nozzles 25, slot 32, zone of positive pressure 30 were communicated with, and form malleation in the nozzle 25, and seed relies on air pressure and gravity to deviate from, and reaches the purpose of seeding.
When needs increase spacing in the rows, optionally the nozzle in the part slot 32 25 is taken off, and block, evenly be reduced to 6 as making 12 nozzles 25 in original slot 32 with plug, and then change under the situation of pneumatic type seeding unit 21 structures not needing, reach the purpose of regulating spacing in the rows.When needing to change line-spacing, can change the sowing line-spacing fast by regulating the distance between the sowing unit 7
Claims (7)
1, a kind of associating precision sower, comprise support, the roller assembly, positive and negative air-pressure work assembly and sowing unit, wherein, the sowing unit comprises double disk opener, trailing bar, drive press wheel and seeding unit, it is characterized in that, described seeding unit comprises that front end is connected with seed box, the rear end is connected with grain conductor holds kind of a case, described holding is provided with the pneumatic type seeding unit in kind of the case, described pneumatic type seeding unit comprises the seed plate that is actively socketed on the stator center, be provided with airtight zone of positive pressure in the described stator, space between seed plate and the stator forms airtight negative pressuren zone, also be provided with corresponding with zone of positive pressure and negative pressuren zone respectively pore on the described stator, described seed plate perimembranous evenly is provided with a plurality of slots that are fitted with nozzle that can be communicated with zone of positive pressure and negative pressuren zone respectively, and described nozzle end has inhales kind of a mouth; Described two pores are communicated with the positive pressure interface and the negative pressure interface of positive and negative air-pressure work assembly through gas circuit respectively.
2, associating precision sower as claimed in claim 1 is characterized in that, described seed plate is through the column pivot bush unit of bearing and stator center.
3, associating precision sower as claimed in claim 1 is characterized in that, described suction kind mouth is positioned at the nozzle end side.
4, associating precision sower as claimed in claim 1 is characterized in that, described suction kind mouth is the circular opening of aperture less than the seed path length.
5, as each described associating precision sower in the claim 1～4, it is characterized in that, described positive and negative air-pressure work assembly comprises the vavuum pump that is driven by direct current generator, the pore that the positive pressure interface of described vavuum pump is corresponding with zone of positive pressure on the described stator is communicated with, and the pore that the negative pressure interface is corresponding with negative pressuren zone on the described stator is communicated with.
As each described associating precision sower among the claim 1-4, it is characterized in that 6, described negative pressure interface is provided with the pressure-regulating valve that is used to change vavuum pump output vacuum magnitude.
7, associating precision sower as claimed in claim 1 is characterized in that, rotovator, fertilising unit and plough also are housed on the described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920084251U CN201378936Y (en) | 2009-03-18 | 2009-03-18 | Combined precision seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920084251U CN201378936Y (en) | 2009-03-18 | 2009-03-18 | Combined precision seeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201378936Y true CN201378936Y (en) | 2010-01-13 |
Family
ID=41522413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920084251U Expired - Fee Related CN201378936Y (en) | 2009-03-18 | 2009-03-18 | Combined precision seeder |
Country Status (1)
| Country | Link |
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| CN (1) | CN201378936Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416124A (en) * | 2012-10-08 | 2013-12-04 | 华中农业大学 | Rape and wheat all-purpose seeder |
| CN103766033A (en) * | 2014-02-20 | 2014-05-07 | 南通曙光农业发展有限公司 | Rice and wheat straw returning, rotary tillage, fertilization and seeding combined machine |
| CN105493698A (en) * | 2016-01-11 | 2016-04-20 | 青岛农业大学 | American ginseng seeder |
| CN106550630A (en) * | 2015-09-29 | 2017-04-05 | 四川农业大学 | A kind of adjustable seeder |
| CN107535106A (en) * | 2017-09-27 | 2018-01-05 | 湖州吴兴升浪生态农业有限公司 | A kind of good vegetable planter of balance quality |
| CN108337959A (en) * | 2018-01-10 | 2018-07-31 | 华中农业大学 | American Ginseng strength pin type essence quantity set arranges device |
| CN109005805A (en) * | 2018-09-10 | 2018-12-18 | 南县伟业机械制造有限公司 | A kind of essence amount seedling orientation seeder |
| CN115067029A (en) * | 2022-07-14 | 2022-09-20 | 内蒙古民族大学 | Corn and soybean composite planting seeder with adjustable spacing |
-
2009
- 2009-03-18 CN CN200920084251U patent/CN201378936Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416124A (en) * | 2012-10-08 | 2013-12-04 | 华中农业大学 | Rape and wheat all-purpose seeder |
| CN103766033A (en) * | 2014-02-20 | 2014-05-07 | 南通曙光农业发展有限公司 | Rice and wheat straw returning, rotary tillage, fertilization and seeding combined machine |
| CN106550630A (en) * | 2015-09-29 | 2017-04-05 | 四川农业大学 | A kind of adjustable seeder |
| CN106550630B (en) * | 2015-09-29 | 2019-08-09 | 四川农业大学 | A kind of adjustable seeder |
| CN105493698A (en) * | 2016-01-11 | 2016-04-20 | 青岛农业大学 | American ginseng seeder |
| CN105493698B (en) * | 2016-01-11 | 2018-01-12 | 青岛农业大学 | American ginseng seeder |
| CN107535106A (en) * | 2017-09-27 | 2018-01-05 | 湖州吴兴升浪生态农业有限公司 | A kind of good vegetable planter of balance quality |
| CN108337959A (en) * | 2018-01-10 | 2018-07-31 | 华中农业大学 | American Ginseng strength pin type essence quantity set arranges device |
| CN108337959B (en) * | 2018-01-10 | 2024-04-02 | 华中农业大学 | American ginseng pneumatic needle precision collecting and discharging device |
| CN109005805A (en) * | 2018-09-10 | 2018-12-18 | 南县伟业机械制造有限公司 | A kind of essence amount seedling orientation seeder |
| CN115067029A (en) * | 2022-07-14 | 2022-09-20 | 内蒙古民族大学 | Corn and soybean composite planting seeder with adjustable spacing |
| CN115067029B (en) * | 2022-07-14 | 2023-09-19 | 内蒙古民族大学 | Corn and soybean composite planting seeder capable of adjusting distance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20140318 |