CN103141191B - Air suction plate type seeder - Google Patents

Air suction plate type seeder Download PDF

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Publication number
CN103141191B
CN103141191B CN201310101578.1A CN201310101578A CN103141191B CN 103141191 B CN103141191 B CN 103141191B CN 201310101578 A CN201310101578 A CN 201310101578A CN 103141191 B CN103141191 B CN 103141191B
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CN
China
Prior art keywords
air
frame
suction
cylinder
case
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CN201310101578.1A
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Chinese (zh)
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CN103141191A (en
Inventor
胡建平
侯冲
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江苏大学
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Priority to CN201310101578.1A priority Critical patent/CN103141191B/en
Publication of CN103141191A publication Critical patent/CN103141191A/en
Application granted granted Critical
Publication of CN103141191B publication Critical patent/CN103141191B/en

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Abstract

The invention discloses an air suction plate type seeder. The air suction plate type seeder mainly comprises a rack, a seed suction plate, a seed box, a guide rod, a pneumatic vibrator, a rotating shaft, an air cylinder I, and an air cylinder II. The pneumatic vibrator is arranged on the seed box; the seed box is driven by the air cylinder I to move up and down along the guide rod; and the seed suction plate is driven by the air cylinder II to turn over. The seeder can be used for air suction type precise seeding of small-particle seeds, the seed suction plate moves steadily, and the seed falling caused by shock vibration can be avoided, so that the miss-seeding rate can be reduced and the seedling cultivation cost is lowered.

Description

A kind of air suction plate type seeder
Technical field
The invention belongs to agricultural machinery precise sowing field, be specifically related to a kind of air suction plate type seeder being applicable to precision seeder.
Background technology
Aspiration type sowing device is the absorption affinity utilizing air-flow, is adsorbed by seed, realize the precise sowing of simple grain or many from kind of heap, and to seed category strong adaptability, injuring-free seed, can high-speed job, is use maximum seeding methods at present.According to the version of sowing parts, existing air-suction seeding unit mainly can be divided into suction spindle formula, drum-type and suction disc formula.
The operation principle of air suction plate type seeder is: open air pump switch, extracts out and inhales kind of a backboard portion gas intracavity gas, form negative pressure, when seed slips over suction hole, be attracted on suction hole in air cavity; After each sucker sucts seed, inhale kind of a plate and be turned to directly over the dish of cave, suction hole and cave are coiled cavities and are aligned, and at this moment cut off source of the gas, and in air cavity, negative pressure disappears, and seed under gravity, falls in the dish cavities of cave, completes a seeding process.
Existing air suction plate type seeder, major part is auto-manual system seeder; Also some air suction plate type seeder.Chinese patent ZL200710028007.4 discloses a kind of aspiration plate type hole disc to target seeder, and this device adopts stepper motor to drive the upset of inhaling kind of plate by shaft coupling and L-type axle; Chinese patent ZL201110448955.X discloses a kind of air-sucking vibration plate type precision seeder for field seedling raising, and this device adopts two degrees of freedom manipulator to drive sucker to move.Therefore, during existing air suction plate type seeder work, general employing reciprocating swing type mechanism or two degrees of freedom manipulator drive suction kind of a plate to carry out suction and plant and seeding, air-suction parts is in moving process middling speed, degree cannot be stablized, and impacts large, easily causes the seed of absorption midway to come off, thus cause hole, affect seeding quality.
Summary of the invention
The object of the present invention is to provide a kind of air suction plate type seeder, make the air-suction parts speed of service steady, can avoid owing to impacting the problem causing the seed of absorption midway to come off.
For solving above technical problem, the concrete technical scheme that the present invention adopts is as follows:
A kind of air suction plate type seeder, is made up of parts such as frame, bearing, seed board installing rack, air-suction parts, kind case, pneumatic vibrator, rotating shaft, guide rod, air pressure valve, cylinder I, cylinder II, base, fore-sets.
Described seed board installing rack is made up of frame a and frame b, and frame a is fixedly connected with rotating shaft respectively with same one end of frame b, and frame a is fixedly connected with air-suction parts respectively with the other end of frame b; Compoboard and frame a and frame b be fixedly connected with one end and with air-suction parts close contact; Guide rod a and guide rod b are parallel to be respectively fixedly mounted on frame a and frame b and to be positioned at the same side of inhaling kind of face; Match with the bearing be fixed in the bearing a of frame both sides and bearing b respectively in the two ends of rotating shaft;
The suction kind face of described air-suction parts is a plane, kind of the face of suction is provided with to coil the corresponding suction hole of cavities number and position with cave, the inside of air-suction parts is provided with the air cavity communicated with suction hole, the outlet of air cavity is positioned at the centre position of the one side away from suction hole of air-suction parts, the outlet of described air cavity is tightly connected by flexible pipe and air pressure valve, and the other end of air pressure valve is communicated with source of the gas by flexible pipe;
Described kind of case is half open architecture, plant one side that case is provided with opening towards air-suction parts and and have between the one side of suction hole and leave the gap more smaller than seed sizes; The opposite of planting the opening surface of case is obliquely installed, and the inclined plane of kind case is installed with pneumatic vibrator; The both sides of kind of case are respectively equipped with through hole, and guide rod a and guide rod b are each passed through and are positioned at kind of a through hole for case both sides and form removable pair and be connected;
The external part of described cylinder I is fixedly connected on the centre position of the base plate of kind of case, and the other end of cylinder I is fixed on compoboard and the centre position of close rotating shaft side;
Described base (is fixedly mounted on the both sides in frame respectively; The external part of cylinder II a and cylinder II b respectively with the ear seat a be fixedly mounted on frame a and frame b and ear seat b chain connection, cylinder II a is connected with the base hinge of frame both sides respectively with the other end of cylinder II b; Fore-set is fixed on the both sides of frame, contacts when the height of fore-set guarantees that air-suction parts is turned to horizontal level with the suction kind face of air-suction parts.
Described cylinder I adopts multi-stage expansion cylinder.
The present invention has beneficial effect.Air suction plate type seeder of the present invention, inhale the upset of kind of plate by adopting air cylinder driven and plant the movement of case, make to inhale stable movement in kind of plate switching process, thus the absorbed seed midway of causing due to impact shock can be avoided to come off, ensure that seeding quality, simultaneously, plant on case and pneumatic vibrator is installed, the coefficient of internal friction of population can be reduced, increase mobility, be conducive to seed absorption.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1: apparatus of the present invention front view.
Fig. 2: apparatus of the present invention end view.
Fig. 3: seed board installing rack structural representation.
Fig. 4: air-suction parts structural representation.
Fig. 5: plant box structure schematic diagram.
Fig. 6: air suction plate type seeder operation principle schematic diagram
In figure: 1. 14. base 15. fore-set 16. conveyer belt 17. guide rod b 18. ear seat b 19. cylinder II b 20. bearing 21. bearing b 22. frame a 23. frame b 24. suction hole 25. air cavity 26. air pressure valve 27. flexible pipe 28. seeds are coiled in frame 2. bearing a 3. rotating shaft 4. seed board installing rack 5. compoboard 6. ear seat a 7. cylinder I 8. air-suction parts 9. pneumatic vibrator 10. kinds of case 11. guide rod a 12. cylinder II a 13. caves.
Embodiment
Below in conjunction with accompanying drawing, an air suction plate type seeder of the present invention is described further.
With reference to Fig. 1, Fig. 2 and Fig. 3, described a kind of air suction plate type seeder, it comprises frame 1; Bearing 2; Drive the rotating shaft 3 that seed board installing rack 4 overturns; Hold the kind case 10 of seed 28; Drive kind of a cylinder I 7 for case 10 movement; The guide rod a11 that case 10 play the guiding role when moving and guide rod b17; Be fixedly mounted on the air-suction parts 8 on seed board installing rack 4; To fill kind or after seeding completes, synchronous cylinder II a12 and cylinder II b19 driving the upset of seed board installing rack 4; Be fixed on frame 1 both sides and the base 14 be connected with the bottom of cylinder II b19 with cylinder II a12 respectively; Described seed board installing rack 4 is made up of two frame a22 and frame b23, and frame a22 is fixedly connected with rotating shaft 3 respectively with frame b23, the two ends of rotating shaft 3 respectively be arranged on bearing a2 and match with the bearing 15 in bearing b21, formation is rotationally connected; On two frames that compoboard 5 is fixedly mounted on seed board installing rack 4 and with air-suction parts 8 close contact, form one and inhale kind of a plane; Fore-set 15 is fixedly mounted on the both sides of frame 1, and when seed board installing rack 4 is turned to horizontal level, fore-set 15 contacts with frame b23 with the frame a22 of seed board installing rack 4, guarantees that air-suction parts 8 is horizontal;
With reference to Fig. 4, can see that described air-suction parts 8 is made up of suction hole 24, air cavity 25, air pressure valve 26, flexible pipe 19; The suction kind face of air-suction parts 8 is a plane, and kind of the face of suction is provided with to coil the corresponding suction hole 24 of cavities number and position on 13 with cave, suction hole 24 communicates with air cavity 25; The outlet of the air cavity 25 of air-suction parts 8 is connected with air pressure valve 26 by flexible pipe 27, and the other end of air pressure valve 26 is communicated with source of the gas by flexible pipe 27.
With reference to Fig. 5, can see that kind of case 10 is for half open architecture, be provided with the suction kind face of one side towards air-suction parts 8 of opening, and 0.5 ~ 1 millimeter of gap is only stayed in the suction kind face of its opening part base plate and air-suction parts 8, and on the top board of kind of case 10, open a breach, can seed be added.The base plate of planting case 10 is fixedly connected with the external part of cylinder I 7; The side plate of kind case 10 both sides is respectively equipped with through hole, moving sets can be formed with guide rod a11 and guide rod b17 and be connected, plant case 10 and can move up and down along guide rod a11 and guide rod b17 under the driving of cylinder I 7; The inclined side plate of kind of case 10 fixedly mounts pneumatic vibrator 9, and when air-suction parts 8 fills kind, pneumatic vibrator 9 starts vibration, can reduce the coefficient of internal friction of population, increases mobility, is conducive to seed absorption.
The course of work of the present invention.With reference to Fig. 6, when seed board installing rack 4 is in obliquity, the air pressure valve 26 in air cavity 25 exit of air-suction parts 8 is opened, and negative pressure appears in the inside air cavity 25 of air-suction parts 8; Kind of a case 10 is driven to be moved down along guide rod a11 and guide rod b17 by upper extreme position by the programme-control cylinder I finished in advance; Meanwhile, the pneumatic vibrator 9 be arranged in kind of case 10 inclined plane starts vibration.When kind of case 10 moves to lower limit position, the pneumatic vibrator 9 be arranged in kind of case 10 inclined plane stops vibration under the control of external program, and the suction hole 24 on the suction kind face of now air-suction parts 8 will be filled seed 28; Then, the while of program, the external part of control cylinder II a12 and cylinder II b19 shrinks thus drives seed board installing rack 4 to overturn; When seed board installing rack 4 is turned to horizontal level by obliquity, two fore-sets 15 being arranged on frame 1 both sides contact with the frame a22 of the both sides of seed board installing rack 4 and frame b23 respectively, thus guarantee that inhaling seed board installing rack 4 is horizontal; Meanwhile, the cave dish 13 on conveyer belt 16 arrives the assigned address immediately below air-suction parts 8; Then, cut off the air pressure valve 26 that the air cavity 25 being arranged on air-suction parts 8 exports, thus the negative pressure in the inside air cavity 25 of air-suction parts 8 disappears, be adsorbed on seed 21 on suction hole 24 and drop to the assigned address of cave dish in self gravitation effect, complete seeding; Then, the while of program, the external part of control cylinder I 7 and cylinder II a12 and cylinder II b19 starts to stretch out, under the driving that seed board installing rack 4 extends gradually at cylinder II a12 and cylinder II b19 external part, seed board installing rack 4 is turned to obliquity by horizontal level, while seed board installing rack 4 overturns, plant case 10 and start along guide rod a11 and guide rod b17 mobile under the driving of cylinder I 7; When seed board installing rack 4 is turned to obliquity, plants case 10 and also reach upper extreme position, now, the air pressure valve 26 being arranged on air cavity 25 exit of air-suction parts 8 is opened, there is negative pressure in the inside air cavity 25 of suction kind of plate 8, then enter and again carry out filling kind, thus complete a working cycles.

Claims (2)

1. an air suction plate type seeder, comprise frame (1), seed board installing rack (4), air-suction parts (8), pneumatic vibrator (9), plant case (10), conveyer belt (16), air pressure valve (26), it is characterized in that: also comprise bearing a(2), rotating shaft (3), ear seat a(6), cylinder I (7), guide rod a (11), cylinder II a (12), base (14), fore-set (15), guide rod b(17), ear seat b(18), cylinder II b(19), bearing b(21);
Described seed board installing rack (4) is by frame a(22) and frame b(23) form, frame a(22) with frame b(22) same one end be fixedly connected with rotating shaft (3) respectively, frame a(22) with frame b(22) the other end be fixedly connected with air-suction parts (8) respectively; Compoboard (5) and frame a(22) and frame b(22) to be fixedly connected with one end and with air-suction parts (8) close contact; Guide rod a(11) be fixedly mounted on frame a(22 with guide rod b (17) is parallel respectively) and frame b(22) go up and be positioned at the same side of inhaling kind of face; The two ends of rotating shaft (3) respectively with the bearing a(2 being fixed on frame (1) both sides) and bearing b(21) in bearing (20) match;
The suction kind face of described air-suction parts (8) is a plane, kind of the face of suction is provided with coil (13) and goes up the corresponding suction hole (24) of cavities number and position with cave, the inside of air-suction parts (8) is provided with the air cavity (25) communicated with suction hole (24), the outlet of air cavity (25) is positioned at the centre position of the one side away from suction hole of air-suction parts (8), the outlet of described air cavity (25) is tightly connected by flexible pipe (27) and air pressure valve (26), and the other end of air pressure valve (26) is communicated with source of the gas by flexible pipe (27);
Described kind of case (10) is half open architecture, plant one side that case (10) is provided with opening towards air-suction parts (8) and and have between the one side of suction hole (24) and leave the gap more smaller than seed sizes; The opposite of planting the opening surface of case (10) is obliquely installed, and the inclined plane of kind case (10) is installed with pneumatic vibrator (9); The both sides of kind of case (10) are respectively equipped with through hole, guide rod a(11) with guide rod b(17) be each passed through the through hole being positioned at kind of a case (10) both sides and form removable pair and be connected;
The external part of described cylinder I (7) is fixedly connected on the centre position of the base plate of kind of a case (10), and the other end of cylinder I (7) is fixed on compoboard (5) and the centre position of close rotating shaft (3) side;
Described base (14) is fixedly mounted on the both sides in frame (1) respectively; The external part of cylinder II a (12) and cylinder II b (19) respectively be fixedly mounted on frame a(22) with frame b(22) on ear seat a(6) with ear seat b(18) chain connection, the other end of cylinder II a (12) and cylinder II b (19) respectively with base (14) chain connection of frame (1) both sides; Fore-set (15) is fixed on the both sides of frame (1), contacts when the height of fore-set (15) guarantees that air-suction parts (8) is turned to horizontal level with the suction kind face of air-suction parts (8).
2. an a kind of air suction plate type seeder as claimed in claim 1, is characterized in that: cylinder I (7) adopts multi-stage expansion cylinder.
CN201310101578.1A 2013-03-27 2013-03-27 Air suction plate type seeder CN103141191B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310101578.1A CN103141191B (en) 2013-03-27 2013-03-27 Air suction plate type seeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310101578.1A CN103141191B (en) 2013-03-27 2013-03-27 Air suction plate type seeder

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CN103141191A CN103141191A (en) 2013-06-12
CN103141191B true CN103141191B (en) 2015-05-27

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103477762B (en) * 2013-09-25 2015-06-03 北京农业信息技术研究中心 Plate-type hole tray seeding device and seeding method thereof
CN103563521B (en) * 2013-11-21 2015-08-05 江苏大学 A kind of many air flues aspiration turnover plate type seeding unit fill seed feeding method
CN105248019B (en) * 2015-11-05 2017-03-15 吉林省农业机械研究院 A kind of pin suction sowing mechanism
CN105359688B (en) * 2015-11-20 2017-06-27 江苏大学 One discharge plate draught type seed sowing device anti-clogging hole cleaning device and its method
CN105815011A (en) * 2016-05-18 2016-08-03 淮南市德飞机电设备制造有限公司 Rotary air-suction type seeding apparatus
CN105993316A (en) * 2016-05-18 2016-10-12 淮南市德飞机电设备制造有限公司 Seeding device with pneumatic supply device
CN105960899A (en) * 2016-05-18 2016-09-28 淮南市德飞机电设备制造有限公司 Seeding device with two seed absorbing devices

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2048035A (en) * 1979-05-23 1980-12-10 Robinson & Sons Wairarapa Ltd Sowing Seeds
JPH06245604A (en) * 1993-02-26 1994-09-06 Yanmar Agricult Equip Co Ltd Sowing hole of perforated plate type sowing machine
CN2781738Y (en) * 2005-03-11 2006-05-24 农业部南京农业机械化研究所 Sucking type cotton breeding seeder
CN201341318Y (en) * 2009-01-14 2009-11-11 张国梁 Potted seeding tray and potted seeding machine
CN201398295Y (en) * 2009-03-06 2010-02-10 淮安信息职业技术学院 Plate-type negative-pressure plug seeder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2048035A (en) * 1979-05-23 1980-12-10 Robinson & Sons Wairarapa Ltd Sowing Seeds
JPH06245604A (en) * 1993-02-26 1994-09-06 Yanmar Agricult Equip Co Ltd Sowing hole of perforated plate type sowing machine
CN2781738Y (en) * 2005-03-11 2006-05-24 农业部南京农业机械化研究所 Sucking type cotton breeding seeder
CN201341318Y (en) * 2009-01-14 2009-11-11 张国梁 Potted seeding tray and potted seeding machine
CN201398295Y (en) * 2009-03-06 2010-02-10 淮安信息职业技术学院 Plate-type negative-pressure plug seeder

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