CN105248019B - A kind of pin suction sowing mechanism - Google Patents

A kind of pin suction sowing mechanism Download PDF

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Publication number
CN105248019B
CN105248019B CN201510745796.8A CN201510745796A CN105248019B CN 105248019 B CN105248019 B CN 105248019B CN 201510745796 A CN201510745796 A CN 201510745796A CN 105248019 B CN105248019 B CN 105248019B
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China
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plate
pipe
lever
cam
spring
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CN105248019A (en
Inventor
刘枫
罗罡
刘文亮
付家庆
胡浩
王瑛彤
马巍
姜彩宇
王新阳
肖戟
康平
范志华
董润坚
王婧
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JILIN PROV ACADEMY OF AGRICULTURAL MACHINERY
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JILIN PROV ACADEMY OF AGRICULTURAL MACHINERY
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Publication of CN105248019A publication Critical patent/CN105248019A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Abstract

A kind of pin suction sowing mechanism, belong to agricultural mechanical field, including frame and the vavuum pump being disposed thereon, motor, minor sprocket, connecting lever shaft assembly, guide rod fixing axle, cam assembly, big sprocket wheel, suction kind row's component, the first fulcrum bar component, the second fulcrum bar component, kind box, aspiration channel, the air compartment tube cavity that inhales in the presence of vavuum pump in kind of row's component is internally formed negative pressure, motor driving cam shaft assembly cam axle is rotated, and is swung by cam driven connecting lever shaft assembly and pole shake.Guide rod in guide rod fixing axle completes whole suction kind process with the air compartment pipe and suction kind pipe that inhales during kind of row combines under the collective effect of connecting lever, pole, slideway and spring.A kind of pin suction sowing mechanism of the present invention takes kind of a principle using aspirated-air type, be suitable for using in the live operation process of Chinese medicine mechanization, meet Chinese medicine seed particle size little, lightweight, in irregular shape the characteristics of and single grain fine sowing, little spacing in the rows, narrow row away from agriculture requirement.

Description

A kind of pin suction sowing mechanism
Technical field
The invention belongs to agricultural mechanical field, the pin suction seeder that more particularly to a kind of Chinese medicine seed-sowing machine is used Structure.
Background technology
In recent years, with social progress and economic development, domestic and international market constantly expands to the demand of Chinese medicine, Chinese medicine Material price is also therefore unprecedented soaring, and the price amplification of most kinds reaches several times even tens times.Acted on by lever of price, respectively The Chinese medicine cultivated area on ground is accordingly significantly increased, and the pattern of traditional Chinese medicine pure handwork plantation is difficult to meet this The demand of fast-developing trend.Therefore, medicinal herb growers are badly in need of the equipment being adapted with Chinese medicine cropping pattern.
At present, the seeder of China is mainly used in field crop, the such as seeding operation of corn and soybean, wheat etc..Using row It is many indent types, finger-clipped, air-sweeping type etc. to plant device, and these feed mechanism for seeds are typically only suitable for the larger seed of average grain diameter and weight to be made With its seeding method is mostly bunch planting, broadcasts sowing and half Precision Seeding, and spacing in the rows, line-spacing are larger.These feed mechanism for seeds cannot meet many Number Chinese medicine seed particle sizes are little, lightweight, in irregular shape the characteristics of and single grain fine sowing during live operation, little spacing in the rows, narrow row Away from agriculture requirement.
The best way that solves the above problems is exactly to develop special sowing mechanism, to meet the live work of Chinese medicine mechanization The requirement of industry.
Therefore, need badly in the middle of prior art and want a kind of new technical scheme to solve this problem.
Content of the invention
The purpose of the present invention is aiming at the problem and shortage described in background technology, there is provided one kind is suitable in Chinese medicine machine The live operation process of toolization is used, meet Chinese medicine single grain fine sowing, little spacing in the rows, narrow row away from agriculture requirement pin suction seeder Structure.
The technical scheme adopted by present invention solution technical problem is as follows:
A kind of pin suction sowing mechanism, is characterized in that:Including frame, vavuum pump, motor, minor sprocket, connecting lever axle group Part, guide rod fixing axle, cam assembly, big sprocket wheel, chain, suction kind row's component, the first fulcrum bar component, the second fulcrum bar component, a kind Box, aspiration channel, the first long spring, the first short spring, the second long spring, the second short spring,
The frame includes rear support beam, vavuum pump seat beam, planting oralia, front support beam, left plate, right plate, kind box Seat board, the first slideway, the first long spring fix bar, the second long spring fix bar, the second slideway, motor seat board, described after Support beam, vavuum pump seat beam, planting oralia and front support beam are arranged between left plate and right plate, and its equal one end end It is fixedly connected with left plate, other end end is fixedly connected with right plate, on its intermediate pump seat beam, is provided with vavuum pump, planting It is provided with oralia and inhales the sowing opening that kind of pipe matches;The leading section of the left plate and right plate is provided with kind of a cassette holder plate; First slideway and the first long spring fix bar are arranged on left plate;The second long spring fix bar and the second slideway It is arranged on right plate;The motor seat board is fixedly connected with rear support beam, and is provided with motor;
The driving motor output shaft is fixedly and coaxially connected with minor sprocket;
The connecting lever shaft assembly side is connected with left plate by the first connector, and opposite side is by the second connector and the right side Side plate connects, and wherein connecting lever shaft assembly includes connecting lever axle, the first connecting lever seat, the first connecting lever plate, the second connecting lever seat, the second connecting lever Plate, bearing I, bearing II, bearing III, bearing IV, connecting lever axle one end end are solid by the first connecting lever seat and the first connecting lever plate Fixed connection, other end end is fixedly connected with the second connecting lever plate by the second connecting lever seat;The bearing I and the activity of the first connecting lever plate Connection;The bearing III is flexibly connected with the second connecting lever plate;
Described guide rod fixing axle one end is flexibly connected with the first connecting lever plate by bearing II, and the other end is by bearing IV and the Two connecting lever plates are fixedly connected;
The cam assembly side is connected with left plate by the 3rd connector, and opposite side is by the 4th connector and the right side Side plate connects, and wherein cam assembly includes camshaft, the first cam chair, the first cam, the second cam chair, the second cam, institute State camshaft one end end to be fixedly connected with the first cam by the first cam chair, other end end is by the second cam chair and the Two cams are fixedly connected;
The big sprocket wheel is fixedly connected with the second cam chair, and which is passed through chain and is connected with minor sprocket;
Kind of row's component of inhaling includes air compartment pipe, inhales kind of a pipe, guide rod, the first air compartment pipe plug block, the second air compartment pipe plug block, suction Blast connection, the air compartment pipe are rectangular steel pipe, offer to coordinate on its upper and lower two side and install the fixing port for inhaling kind of pipe, air compartment Inlet scoop is offered on the front side wall of pipe, and the quantity of the inlet scoop is two, air draught is respectively arranged with the outside of two inlet scoops Pipe joint;Kind of the pipe of inhaling is fixedly connected with air compartment pipe, and with the perpendicular arrangement of air compartment pipe, it is hollow type circle to inhale kind of tube shape Pipe, and a circular port is offered on its side wall, the inner chamber of kind of pipe is inhaled by the circular port and the inner space of air compartment pipe;Institute Guide rod diameter is stated less than the intracavity diameter for inhaling kind of pipe, its outside inner chamber with suction kind pipe is flexibly connected, and guide rod is solid with guide rod Dead axle is fixedly connected;The first air compartment pipe plug block, the second air compartment pipe plug block are separately positioned on air compartment pipe two ends port part;
Described first fulcrum bar component one end is fixedly connected with kind of a side top for row's component is inhaled by the first stay bolt, another End is fixedly connected with the first cam by the 5th connector, and wherein the first fulcrum bar component includes pole I, spring connecting bolt I, institute State pole I to be fixedly connected with the first stay bolt by bearing V;The spring connecting bolt I is fixedly connected with the first stay bolt;
Described second fulcrum bar component one end is fixedly connected with kind of an opposite side top for row's component is inhaled by the second stay bolt, separately One end is fixedly connected with the second cam by the 6th connector, and the second fulcrum bar component includes pole II, spring connecting bolt II, institute State pole II to be fixedly connected with the second stay bolt by bearing VI;The spring connecting bolt II and the second stay bolt are fixed and are connected Connect;
Described kind of box one end is fixedly connected with left plate by kind of a cassette holder plate, and the other end is solid by kind of cassette holder plate and right plate Fixed connection;
Described aspiration channel one end is fixedly connected with vavuum pump, and the other end is fixedly connected with blast connection, and the number of aspiration channel Measure as two;
The first long spring one end is fixedly connected with the first long spring fix bar, and the other end is solid with spring connecting bolt I Fixed connection;
The first short spring one end is fixedly connected with the first slideway, and the other end is fixedly connected with the first connecting lever plate;
The second long spring one end is fixedly connected with the second long spring fix bar, and the other end is solid with spring connecting bolt II Fixed connection;
The second short spring one end is fixedly connected with the second slideway, and the other end is fixedly connected with the second connecting lever plate.
The rear support beam is made up of two crossbeams be arrangeding in parallel.
First connector, the second connector, the 3rd connector, the 4th connector, the 5th connector and the 6th connection Part is combined by bearing and with the bearing block of bearing fit.
The quantity for inhaling kind of pipe is 28~45.
By above-mentioned design, the present invention can bring following beneficial effect:
When the 1st, working, power supply opening, vavuum pump are started working with motor, air compartment tube cavity in the presence of vavuum pump It is internally formed negative pressure.At the same time, motor drive cam shaft is rotated, and is swung by cam driven connecting lever shaft assembly and propped up Bar shakes.Guide rod in guide rod fixing axle is with the air compartment pipe and suction kind pipe that inhales during kind of row combines in connecting lever, pole, slideway and spring Collective effect under, on the one hand realize that the reciprocating of interval is made in the reciprocating swing relative with frame, another aspect between the two Linear motion.When a suction kind pipe is moved in kind of box, guide rod is pulled up upwards, inhales kind of tube cavity by circular port and air compartment tube cavity Connection, in the presence of negative pressure, seed is attracted on the nose end for inhaling kind of pipe;Move to above planting oralia when kind of a pipe is inhaled When, guide rod is pushed downwardly into, and the circular port that inhales on kind of pipe is plugged, and the negative pressure that inhales in kind of pipe disappears, and seed is in gravity and guide rod Fall in sowing opening under thrust collective effect from planting oralia.Whole suction kind process is completed.
2nd, as entire row inhales kind of a pipe synchronous working, the regularity requirement of seeding operation can farthest be ensured.
3rd, the present invention inhales kind of a principle using aspirated-air type, ensure that the absorption to seeds having abnormal shape, and can pass through The method of adjustment vacuum revolution speed changes the negative pressure value that inhales when planting, and realizes the absorption to multiple different quality seeds.
4th, the method by changing big sprocket wheel and minor sprocket gearratio, it is possible to achieve the suction dropping frequency of mechanism, so as to reality The change of spacing in the rows is now sowed.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is a kind of structural representation of pin suction sowing mechanism of the invention.
Fig. 2 is a kind of structural representation of the frame of pin suction sowing mechanism of the invention.
Fig. 3 is a kind of structural representation of the connecting lever shaft assembly of pin suction sowing mechanism of the invention.
Fig. 4 is a kind of partial structural diagram of the connecting lever shaft assembly of pin suction sowing mechanism of the invention.
Fig. 5 is a kind of structural representation of the cam assembly of pin suction sowing mechanism of the invention.
Fig. 6 is a kind of structural representation of suction kind row's component of pin suction sowing mechanism of the invention.
Fig. 7 is that a kind of suction kind of pin suction sowing mechanism of the invention arranges the A-A of component to structural representation.
Fig. 8 is a kind of structural representation of the first fulcrum bar component of pin suction sowing mechanism of the invention.
Fig. 9 is a kind of structural representation of the second fulcrum bar component of pin suction sowing mechanism of the invention.
When Figure 10 is to inhale to plant in a kind of pin suction sowing mechanism of the invention, inhale kind of row's module position and inhale and pipe is planted with guide rod Relative position structural representation.
When Figure 11 is to inhale to plant in a kind of pin suction sowing mechanism of the invention, inhale kind of row's module position and inhale and pipe is planted with guide rod The sectional view of relative position.
When Figure 12 is that connecting lever nose motion is to peak in a kind of pin suction sowing mechanism of the invention, kind of row's module position is inhaled And inhale the structural representation of kind of pipe and guide rod relative position.
When Figure 13 is that connecting lever nose motion is to peak in a kind of pin suction sowing mechanism of the invention, kind of row's module position is inhaled And inhale the sectional view of kind of pipe and guide rod relative position.
When Figure 14 is a kind of pin suction sowing mechanism seeding of the invention, inhales kind of row's component and inhale kind of pipe and guide rod relative position Structural representation.
When Figure 15 is a kind of pin suction sowing mechanism seeding of the invention, inhales kind of row's component and inhale kind of pipe and guide rod relative position Structure sectional view.
In figure:1- frames, 2- vavuum pumps, 3- motors, 4- minor sprockets, 5- connecting lever shaft assemblies, 6- guide rod fixing axles, 7- Cam assembly, 8- big sprocket wheels, 9- chains, 10- inhale kind of row's component, the first fulcrum bar components of 11-, the second fulcrum bar components of 12-, a 13- After planting box, 14- aspiration channels, the first long springs of 15-, the first short springs of 16-, the second long springs of 17-, the second short springs of 18-, 19- Support beam, 20- vavuum pump seat beams, 21- planting oralias, 22- support beams, 23- left plates, 24- right plates, 25- kind cassette holder plates, The first slideways of 26-, the first long spring fix bars of 27-, the second long spring fix bars of 28-, the second slideways of 29-, 30- motor seats Plate, the first connectors of 31-, the second connectors of 32-, 33- connecting lever axles, 34- the first connecting lever seats, 35- the first connecting lever plates, 36- second Connecting lever seat, 37- the second connecting lever plates, 38- bearings I, 39- bearings II, 40- bearings III, 41- bearings IV, the 3rd connectors of 42-, 43- 4th connector, 44- camshafts, the first cam chairs of 45-, the first cams of 46-, the second cam chairs of 47-, the second cams of 48-, 49- Air compartment pipe, 50- inhale kind of a pipe, 51- guide rods, 52- the first air compartment pipe plug blocks, 53- the second air compartment pipe plug blocks, 54- air sucking tube joints, The first stay bolts of 55-, the 5th connectors of 56-, 57- pole I, 58- spring connecting bolt I, 59- bearings V, the second long spiral shells of 60- Bolt, the 6th connectors of 61-, 62- poles II, 63- springs connecting bolt II, 64- bearings VI.
Specific embodiment
A kind of pin suction sowing mechanism, as shown in Fig. 1~Fig. 9, a kind of pin suction sowing mechanism is characterized in that:Including machine Frame 1, vavuum pump 2, motor 3, minor sprocket 4, connecting lever shaft assembly 5, guide rod fixing axle 6, cam assembly 7, big sprocket wheel 8, chain Bar 9, inhale kind row a component 10, the first fulcrum bar component 11, the second fulcrum bar component 12, plant box 13, aspiration channel 14, the first long spring 15, First short spring 16, the second long spring 17, the second short spring 18,
The frame 1 include rear support beam 19, vavuum pump seat beam 20, planting oralia 21, front support beam 22, left plate 23, Right plate 24, kind cassette holder plate 25, the first slideway 26, the first long spring fix bar 27, the second long spring fix bar 28, the second slideway 29th, motor seat board 30, the rear support beam 19, vavuum pump seat beam 20, planting oralia 21 and front support beam 22 are arranged at Between left plate 23 and right plate 24, and its equal one end end is fixedly connected with left plate 23, other end end and right plate 24 It is fixedly connected, on its intermediate pump seat beam 20, is provided with vavuum pump 2, is provided with planting oralia 21 and inhales broadcasting for kind of the matching of pipe 50 Plant mouth;The leading inside portion of the left plate 23 and right plate 24 is provided with kind of a cassette holder plate 25;First slideway 26 and One long spring fix bar 27 is arranged on the outside of left plate 23;The second long spring fix bar 28 and the second slideway 29 are equal On being arranged on the outside of right plate 24;The motor seat board 30 is fixedly connected with rear support beam 19, and is provided with driving Motor 3;
3 output shaft of the motor is fixedly and coaxially connected with minor sprocket 4;
5 side of connecting lever shaft assembly is connected with left plate 23 by bearing block fitted bearing, and opposite side passes through bearing block Fitted bearing is connected with right plate 24, wherein connecting lever shaft assembly 5 include connecting lever axle 33, the first connecting lever seat 34, the first connecting lever plate 35, Second connecting lever seat 36, the second connecting lever plate 37, bearing I 38, bearing II 39, bearing III 40, bearing IV 41, described 33 one end of connecting lever axle End is fixedly connected with the first connecting lever plate 35 by the first connecting lever seat 34, and other end end is turned with second by the second connecting lever seat 36 Arm plate 37 is fixedly connected;The bearing I 38 is flexibly connected with the first connecting lever plate 35;The bearing III 40 is lived with the second connecting lever plate 37 Dynamic connection;
Described 6 one end of guide rod fixing axle is flexibly connected with the first connecting lever plate 35 by bearing II 39, and the other end passes through bearing IV 41 are fixedly connected with the second connecting lever plate 37;
7 side of the cam assembly is connected with left plate 23 by bearing block fitted bearing, and opposite side passes through bearing block Fitted bearing is connected with right plate 24, wherein cam assembly 7 include camshaft 44, the first cam chair 45, the first cam 46, Two cam chairs 47, the second cam 48,44 one end end of the camshaft are fixed by the first cam chair 45 and the first cam 46 and are connected Connect, other end end is fixedly connected with the second cam 48 by the second cam chair 47;
The big sprocket wheel 8 is fixedly connected with the second cam chair 47, and which is passed through chain 9 and is connected with minor sprocket 4;
Kind of row's component 10 of inhaling includes air compartment pipe 49, inhales kind of a pipe 50, guide rod 51, the first air compartment pipe plug block 52, the second wind Room pipe plug block 53, air sucking tube joint 54, the air compartment pipe 49 are rectangular steel pipe, offer cooperation and install and inhale on its upper and lower two side The fixing port of pipe 50 is planted, and the quantity of the fixing port is 28~45,28~45 can be opened up according to actual sowing situation Between arbitrary quantity fixing port, such as 29,31,41, offer inlet scoop on the front side wall of air compartment pipe 49, the air draught The quantity of mouth is two, is respectively arranged with air sucking tube joint 54 on the outside of two inlet scoops;Described suction plants pipe 50 and air compartment pipe 49 Be fixedly connected, and with 49 perpendicular arrangement of air compartment pipe, inhale kind of a pipe 50 and be shaped as hollow type pipe, and offer one on its side wall Circular port, inhales the inner chamber of kind of pipe 50 by the circular port and the inner space of air compartment pipe 49;51 diameter of the guide rod is slightly less than Kind of 50 intracavity diameter of pipe is inhaled, the two gap 0.2mm, the insertion of guide rod 51 are inhaled in kind of pipe 50, and which is flexibly connected with kind of a pipe 50 is inhaled, guide rod 51 one end are fixedly connected with guide rod fixing axle 6;The first air compartment pipe plug block 52, the second air compartment pipe plug block 53 are separately positioned on wind 49 two ends port part of room pipe;
As shown in Figure 10, Figure 11, during suction kind, kind of row 10 position of component and suction kind pipe 50 and 51 relative position figure of guide rod are inhaled, (Figure 11 is sectional view), insertion of the guide rod 51 in kind of pipe 50 is inhaled are most short, and negative pressure air port fully opens, effect of the seed in negative pressure Lower kind of 50 mouth of pipe of pipe is being inhaled by suction.
As shown in Figure 12 and Figure 13, the first connecting lever plate 35 and 37 nose motion of the second connecting lever plate are to peak (guide rod fixing axle 6 move to peak) when, inhale kind of row 10 position of component and inhale kind of pipe 50 and 51 relative position figure of guide rod (Figure 13 is sectional view), At this moment insertion position of the guide rod 51 in kind of pipe 50 is inhaled be than inhaling kind of a duration, but negative pressure air port still fully opens, seed still by Kind of a mouth of pipe is being inhaled in suction.
As shown in Figure 14, Figure 15, during seeding, inhale kind of row 10 position of component and inhale kind of pipe 50 and 51 relative position figure of guide rod (if Figure 15 is sectional view), at this moment insertion position of the guide rod 51 in kind of pipe 50 is inhaled is most long, and negative pressure air port is blocked completely, seed Fall into grain conductor.
Described first fulcrum bar component, 11 one end is connected with inhaling kind of a side top for row's component 10 and fixing by the first stay bolt 55 Connect, the other end is fixedly connected with the first cam 46 by bearing block fitted bearing, and wherein the first fulcrum bar component 11 includes pole I57, spring connecting bolt I58, the pole I57 are fixedly connected with the first stay bolt 55 by bearing V 59;The spring connects Connecting bolt I58 is fixedly connected with the first stay bolt 55;
Fixed with kind of an opposite side top for row's component 10 is inhaled by the second stay bolt 60 described second fulcrum bar component, 12 one end Connection, the other end is fixedly connected with the second cam 48 by bearing block fitted bearing, the second fulcrum bar component 12 include pole II 62, Spring connecting bolt II 63, the pole II 62 are fixedly connected with the second stay bolt 60 by bearing VI 64;The spring connection Bolt II 63 is fixedly connected with the second stay bolt 60;
Described kind of 13 one end of box is fixedly connected with left plate 23 by kind of a cassette holder plate 25, the other end by kind of cassette holder plate 25 and Right plate 24 is fixedly connected;
14 one end of the aspiration channel is fixedly connected with vavuum pump 2, and the other end is fixedly connected with blast connection 54, and aspiration channel 14 quantity is two;
Described first long spring, 15 one end is fixedly connected with the first long spring fix bar 27, the other end and spring connecting bolt I55 is fixedly connected;
Described first short spring, 16 one end is fixedly connected with the first slideway 26, and the other end and the first connecting lever plate 35 are fixed and connected Connect;
Described second long spring, 17 one end is fixedly connected with the second long spring fix bar 28, the other end and spring connecting bolt II 63 are fixedly connected;
Described second short spring, 18 one end is fixedly connected with the second slideway 29, and the other end and the second connecting lever plate 37 are fixed and connected Connect.
The rear support beam 19 is made up of two crossbeams be arrangeding in parallel.
First connector 31, the second connector 32, the 3rd connector 42, the 4th connector 43, the 5th connector 56 Combine by bearing and with the bearing block of bearing fit with the 6th connector 61.
The quantity for inhaling kind of pipe 50 is 28~45, identical with the fixing port quantity that kind of pipe 50 is inhaled in cooperation installation.
Vavuum pump is connected when being sowed by a kind of pin suction sowing mechanism of the present invention with power supply, and operating personnel are by electricity Source is opened, and vavuum pump 2 is started working with motor 3, is formed negative in the presence of vavuum pump 2 in 49 internal cavity of air compartment pipe Pressure.At the same time, 3 output shaft of motor is fixedly and coaxially connected with minor sprocket 4, and minor sprocket 4 is driven by chain 9 and big sprocket wheel 8 Moving cam axle 44 is rotated, and drives connecting lever shaft assembly 5 to swing and the first fulcrum bar component by the first cam 46, the second cam 48 11st, the second fulcrum bar component 12 shakes.During work, acted on by the first short spring 16 and the second short spring 18, the end face of bearing I 38 All the time keep contacting with the end face of the first cam 46, the end face of bearing III 40 is kept contacting with the end face of the second cam 48 all the time. Guide rod 51 in guide rod fixing axle 6 and the air compartment pipe 49 that inhales in kind of row's component 10 and inhaling plants pipe 50 in connecting lever shaft assembly 5, first Bar assembly 11, the first fulcrum bar component 12, the first long spring 15, the first short spring 16, the second long spring 17, the second short spring 18, Under first slideway 26, the first long spring fix bar 27, the second long spring fix bar 28, the collective effect of the second slideway 29, a side The reciprocating swing relative with frame 1 is realized in face, on the other hand makees the oscillating rectilinear motion of interval between the two.Pipe is planted when inhaling 50 when moving in kind of box 13, and guide rod 51 is pulled up upwards, inhales kind of 50 inner chamber of pipe by circular port and 49 inner space of air compartment pipe, In the presence of negative pressure, seed is attracted on the nose end for inhaling kind of pipe 50;When a suction kind pipe 50 moves to planting 21 top of oralia, Guide rod 51 is pushed downwardly into, and the circular port that inhales on kind of pipe 50 is plugged, and the negative pressure that inhales in kind of pipe 50 disappears, and seed is in gravity and guide rod Fall in circular hole under 51 thrust collective effect from planting oralia 21.Whole (row) kind process of inhaling is completed.
General structure of the present invention is made up of steel and aluminium.In order to reduce device to soil packing power, this device is with aluminium Based on prepared material, auxiliary part steel components.

Claims (4)

1. a kind of pin suction sowing mechanism, is characterized in that:Including frame (1), vavuum pump (2), motor (3), minor sprocket (4), connecting lever shaft assembly (5), guide rod fixing axle (6), cam assembly (7), big sprocket wheel (8), chain (9), suction kind row's component (10), the first fulcrum bar component (11), the second fulcrum bar component (12), plant box (13), aspiration channel (14), first long spring (15), the One short spring (16), second long spring (17), second short spring (18),
Described frame (1) includes rear support beam (19), vavuum pump seat beam (20), planting oralia (21), front support beam (22), left side Plate (23), right plate (24), kind cassette holder plate (25), the first slideway (26), first long spring fix bar (27), the second long spring are solid Fixed pole (28), the second slideway (29), motor seat board (30), rear support beam (19), vavuum pump seat beam (20), planting mouth Plate (21) and front support beam (22) are arranged between left plate (23) and right plate (24), and its equal one end end and left plate (23) it is fixedly connected, other end end is fixedly connected with right plate (24), on its intermediate pump seat beam (20), is provided with vavuum pump (2), it is provided with planting oralia (21) and inhales the sowing opening that kind of pipe (50) matches;Left plate (23) and right plate (24) Leading section is provided with kind of a cassette holder plate (25);First slideway (26) and first long spring fix bar (27) are arranged at left side On plate (23);Second long spring fix bar (28) and the second slideway (29) are arranged on right plate (24);The driving Motor seat board (30) is fixedly connected with rear support beam (19), and is provided with motor (3);
Motor (3) output shaft is fixedly and coaxially connected with minor sprocket (4);
Connecting lever shaft assembly (5) side is connected with left plate (23) by the first connector (31), and opposite side connects by second Fitting (32) is connected with right plate (24), wherein connecting lever shaft assembly (5) include connecting lever axle (33), the first connecting lever seat (34), first Connecting lever plate (35), the second connecting lever seat (36), the second connecting lever plate (37), bearing I (38), bearing II (39), bearing III (40), bearing IV (41), connecting lever axle (33) one end end is fixedly connected with the first connecting lever plate (35) by the first connecting lever seat (34), another End end is fixedly connected with the second connecting lever plate (37) by the second connecting lever seat (36);The bearing I (38) and the first connecting lever plate (35) it is flexibly connected;The bearing III (40) is flexibly connected with the second connecting lever plate (37);
Guide rod fixing axle (6) one end is flexibly connected with the first connecting lever plate (35) by bearing II (39), and the other end passes through axle Hold IV (41) to be fixedly connected with the second connecting lever plate (37);
Cam assembly (7) side is connected with left plate (23) by the 3rd connector (42), and opposite side connects by the 4th Fitting (43) is connected with right plate (24), wherein cam assembly (7) include camshaft (44), the first cam chair (45), first Cam (46), the second cam chair (47), the second cam (48), camshaft (44) one end end pass through the first cam chair (45) It is fixedly connected with the first cam (46), other end end is fixedly connected with the second cam (48) by the second cam chair (47);
Big sprocket wheel (8) are fixedly connected with the second cam chair (47), and which is passed through chain (9) and is connected with minor sprocket (4);
Described inhale kind row component (10) include air compartment pipe (49), inhale kind pipe (50), guide rod (51), the first air compartment pipe plug block (52), Second air compartment pipe plug block (53), air sucking tube joint (54), described air compartment pipe (49) are rectangular steel pipe, open up on its upper and lower two side Have to coordinate to install and inhale kind of a fixing port for pipe (50), inlet scoop is offered on the front side wall of air compartment pipe (49), the quantity of the inlet scoop For two, air sucking tube joint (54) on the outside of two inlet scoops, is respectively arranged with;Described suction plants pipe (50) with air compartment pipe (49) admittedly Fixed connect, and with the perpendicular arrangement of air compartment pipe (49), inhale kind of a pipe (50) and be shaped as hollow type pipe, and offer on its side wall One circular port, inhales kind of the inner chamber of pipe (50) by the circular port and the inner space of air compartment pipe (49);Guide rod (51) are straight Footpath less than inhaling kind of an intracavity diameter for pipe (50), its outside with inhale kind of the inner chamber for managing (50) and be flexibly connected, guide rod (51) one end with lead Bar fixing axle (6) is fixedly connected;The first air compartment pipe plug block (52), the second air compartment pipe plug block (53) are separately positioned on air compartment pipe (49) two ends port part;
Fixed with kind of the side top of row's component (10) is inhaled by the first stay bolt (55) first fulcrum bar component (11) one end Connection, the other end are fixedly connected with the first cam (46) by the 5th connector (56), and wherein the first fulcrum bar component (11) includes Pole I (57), spring connecting bolt I (58), described pole I (57) connect by bearing V (59) and the first stay bolt (55) are fixed Connect;Spring connecting bolt I (58) are fixedly connected with the first stay bolt (55);
Second fulcrum bar component (12) one end is solid with the opposite side top for inhaling row's of kind component (10) by the second stay bolt (60) Fixed connection, the other end are fixedly connected with the second cam (48) by the 6th connector (61), and the second fulcrum bar component (12) includes propping up Bar II (62), spring connecting bolt II (63), the pole II (62) are fixed with the second stay bolt (60) by bearing VI (64) Connection;The spring connecting bolt II (63) is fixedly connected with the second stay bolt (60);
Described kind of box (13) one end is fixedly connected with left plate (23) by kind of a cassette holder plate (25), and the other end is by kind of a cassette holder plate (25) it is fixedly connected with right plate (24);
Aspiration channel (14) one end is fixedly connected with vavuum pump (2), and the other end is fixedly connected with blast connection (54), and air draught The quantity of pipe (14) is two;
First long spring (15) one end is fixedly connected with first long spring fix bar (27), the other end and spring connecting bolt I (55) is fixedly connected;
First short spring (16) one end is fixedly connected with the first slideway (26), and the other end and the first connecting lever plate (35) are fixed and connected Connect;
Second long spring (17) one end is fixedly connected with second long spring fix bar (28), the other end and spring connecting bolt II (63) is fixedly connected;
Second short spring (18) one end is fixedly connected with the second slideway (29), and the other end and the second connecting lever plate (37) are fixed and connected Connect.
2. a kind of pin suction sowing mechanism according to claim 1, is characterized in that:Rear support beam (19) are flat by two The crossbeam composition that row is arranged.
3. a kind of pin suction sowing mechanism according to claim 1, is characterized in that:First connector (31), second Connector (32), the 3rd connector (42), the 4th connector (43), the 5th connector (56) and the 6th connector (61) are by axle Hold and combine with the bearing block of bearing fit.
4. a kind of pin suction sowing mechanism according to claim 1, is characterized in that:Kind of the quantity of pipe (50) of inhaling is 28 Individual~45.
CN201510745796.8A 2015-11-05 2015-11-05 A kind of pin suction sowing mechanism Active CN105248019B (en)

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CN106538118A (en) * 2016-10-25 2017-03-29 江苏省农业科学院 A kind of aspirated-air type seeding plough essence amount dispenser
CN109923978A (en) * 2019-04-11 2019-06-25 昆明理工大学 A kind of electronic aspiration pin type Radix Notoginseng precision drill of farm work

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* Cited by examiner, † Cited by third party
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ES8605935A1 (en) * 1985-02-07 1986-04-01 Drudis Morera Ramon Multi-purpose, precision, mono-grain seeder (sowing machine)
CN201294737Y (en) * 2008-06-25 2009-08-26 韦金权 Seed-planting machine
CN103563523B (en) * 2012-08-10 2016-06-01 金宝电子工业股份有限公司 The method for implantation of seeding device and seed
CN103141191B (en) * 2013-03-27 2015-05-27 江苏大学 Air suction plate type seeder
CN103749033B (en) * 2014-01-23 2016-08-17 潍坊海博尔智能科技有限公司 Breeding tray seeder
CN204539796U (en) * 2015-04-16 2015-08-12 日照中盛集团股份有限公司 A kind of seeding apparatus
CN205124307U (en) * 2015-11-05 2016-04-06 吉林省农业机械研究院 Formula sowing mechanism is inhaled to needle

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