CN104584741B - Vacuum seed picking and sowing device - Google Patents
Vacuum seed picking and sowing device Download PDFInfo
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- CN104584741B CN104584741B CN201510069011.XA CN201510069011A CN104584741B CN 104584741 B CN104584741 B CN 104584741B CN 201510069011 A CN201510069011 A CN 201510069011A CN 104584741 B CN104584741 B CN 104584741B
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Abstract
The invention provides a vacuum seed picking and sowing device, and belongs to the field of sowing mechanisms. The device comprises an air pipe shaft, an air cavity, a seed absorbing plate, a cover housing and an air closing mechanism; at least one air hole is formed in one end of the air pipe shaft; the air cavity sleeves the outer side of the air pipe shaft and is in rotating connection with the air pipe shaft; an air intake hole is formed in the seed absorbing plate; the cover housing is fixedly connected with one end with the air hole, of the air pipe shaft; a seed picking cavity and a seed holding cavity are formed in one side of the cover housing, close to the air pipe shaft; the air closing mechanism is arranged in an empty cavity and comprises a fixing frame, and an air closing block for closing the air intake hole; the fixing frame is fixedly connected with the outer wall of the air pipe shaft. According to the device, the air closing block of the air closing mechanism is arranged to greatly reduce the negative pressure for seed absorbing, thus the absorbing force to the seeds is reduced, the seeds can be simply shifted into a seed receiving box with weak force, and as a result, the seeds cannot be damaged, and the circumstances such as ignoring of sowing can be greatly avoided; the ignoring rate can be reduced while the integrity of the seeds is ensured.
Description
Technical field
The present invention relates to seeding machinery field, in particular to vacuum-seed-taking seeding apparatus.
Background technology
Pneumatic drum type precise sower belongs to one kind of the seeding machinery of integration of operation, can disposably complete fertilising paving
The crops such as corn, beans, sunflower, cucurbit can be carried out the simple grain Precise sowing on film by the multinomial work such as film sowing earthing,
A part of area in China Inner Mongol, Shanxi, Shaanxi, Ningxia, Xinjiang, northeast and Hebei province widely uses.
Vacuum-seed-taking seeding apparatus is the important component of pneumatic drum type precise sower, is run at high speed product by blower fan
Raw suction, makes the suction hole absorbed seed of seed absorbing plate and rotates, and dials seed finally by Bo Zi mechanisms and drops down onto in inoculation box, connects
The seed in box is planted to realize sowing by duckbilled.
Existing Bo Zi mechanisms are divided into Ying Bo mechanisms and Ruan Bo mechanisms, and due to the presence of the negative pressure in cavity, to seed
Absorption dynamics it is larger to ensure that seed is not easy to drop in seed absorbing plate rotation process, Ying Bo mechanisms dynamics is larger, by force will
Adsorb the seed at suction hole to dial, certain damage can be caused to seed, so that germination percentage etc. is influenceed, the power of Ruan Bo mechanisms
Degree is smaller, seed will not be caused to damage, but occur that seed is not dialled to fall to causing the phenomenon of broadcast leakage.
The content of the invention
The invention provides a kind of vacuum-seed-taking seeding apparatus, improved above mentioned problem.
What the present invention was realized in：
A kind of vacuum-seed-taking seeding apparatus, including：
Tracheae axle, the tracheae axle is tubulose, and one end of the tracheae axle is provided with least one passage, the ventilation
Side wall of the hole through the tracheae axle；
Air cavity, the air cavity is set in the outside of the tracheae axle, turns between the air cavity and the tracheae axle
Dynamic connection；
Seed absorbing plate, is provided with suction hole on the seed absorbing plate, the edge of the seed absorbing plate is fitted fixation with the air cavity,
Cavity is formed between the seed absorbing plate and the air cavity, the passage is connected with the cavity；
Case, the case is fixedly connected with one end for being provided with the passage of the tracheae axle, the case
It is provided near the side of the tracheae axle and takes seed chamber and put kind of a chamber, the side away from the tracheae axle of the case is provided with
Seed feed pipe, the seed feed pipe is connected with the seed chamber that takes；
Hold one's breath mechanism, the mechanism of holding one's breath is arranged in the cavity, the mechanism of holding one's breath is including fixed mount and for will
The block of holding one's breath of the suction hole closing, the fixed mount is fixedly connected with the outer wall of the tracheae axle, and the block of holding one's breath is arranged on
On the fixed mount, the block of holding one's breath is fitted with the side away from the case of the seed absorbing plate, it is described hold one's breath block with it is described
Put kind of a chamber correspondence.
Tracheae axle is hollow structure, and the equipment such as blower fan runs at high speed generation suction, can be taken out by the passage of tracheae axle
Take the air in cavity and form negative pressure, blower fan can be from mechanical blower fan or electric fan etc..Air cavity can be with Pivot Point Center
Line is that rotary shaft is rotated in the outside of tracheae axle, so as to drive seed absorbing plate to rotate, tracheae axle, case and mechanism of holding one's breath are relatively fixed
Cannot rotate；Cavity is in the state of opposing seal, and the suction hole of only seed absorbing plate is connected with case, and blower fan etc. passes through tracheae axle
And passage extracts the gas in cavity out, cavity is in negative pressure state, and the atmospheric pressure of suction hole both sides is different, makes the seed can
Cannot be dropped with being attracted on suction hole.Case takes seed chamber and may be located at the lower section of case, puts kind of a chamber and be located near seed absorbing plate
The top of case, taking for case is placed with many seeds in seed chamber, each suction hole adsorbs a seed by taking during seed chamber, inhale
Seed disk rotates and can cause to adsorb seed-bearing suction hole and reach position corresponding with kind of chamber is put, and puts typically be provided with kind of chamber and connects
Zhong Hejibo seeds mechanism, the Bo Zi mechanisms can be Ying Bo mechanisms or Ruan Bo mechanisms, and the seed on suction hole is dialled by Bo Zi mechanisms
Drop down onto in inoculation box, the seed in inoculation box is discharged by duckbilled to be sowed in soil；Seed feed pipe can enter for seed
Enter to take seed chamber and passage is provided, it is ensured that seed is carved with when taking in seed chamber and is drawn for suction hole.Bo Zi mechanisms typically use Ying Bo mechanisms
Or Ruan Bo mechanisms, it is larger to the absorption dynamics of seed ensuring to be rotated in seed absorbing plate and due to the presence of the negative pressure in cavity
Seed is not easy to drop in journey, and Ying Bo mechanisms dynamics is larger, the seed at suction hole will be adsorbed by force and dials, and seed can be made
Into certain damage, so as to influence germination percentage etc., the dynamics of Ruan Bo mechanisms is smaller, seed will not be caused to damage, but can go out
Existing seed is not dialled to fall to causing the phenomenon of broadcast leakage；Mechanism of holding one's breath is arranged in cavity, that is, form built-in mechanism of holding one's breath, and is not interfered with
The normal work of remaining mechanism, fixed mount is fixed by the outer wall of tracheae axle, and the two will not relatively rotate, and block of holding one's breath can be
Arbitrary shape, such as cuboid, cylinder and other irregular shapes, it is only necessary to which ensuring to hold one's breath block can be by one of air-breathing
Hole completely encloses；Air cavity drive seed absorbing plate rotate, hold one's breath block by seed absorbing plate suction hole close when, seed be close to
A part of negative pressure of the side of cavity disappears, and the pressure difference of seed both sides reduces, and seed still can be adsorbed firmly in air-breathing
Kong Shang, seed now easily can be dialled using Ruan Bo mechanisms, and seed will not be caused to damage.Certainly, mechanism of holding one's breath is set up
Afterwards, seed will not be also damaged using Ying Bo mechanisms, in addition by adjusting the peak suction in cavity, it is also possible to do not use and dial seed
Mechanism is that may be such that seed drops above specified inoculation box.
The course of work of vacuum-seed-taking seeding apparatus：Secure the device on power-equipment, make tracheae axle and case solid
Surely cannot be movable, seed is put into case from seed feed pipe takes seed chamber, pass through tracheae axle and passage using blower fan etc.
The gas in cavity is extracted, the both sides of suction hole is produced negative pressure；Air cavity can be rotated around tracheae axle and drive seed absorbing plate to turn
Dynamic, when air entry is by taking seed chamber, negative pressure makes wherein one seed be attracted at air entry and cannot drop；Air cavity and suction
Seed disk is rotated further, and mechanism of holding one's breath is fixed with tracheae axle, and the position of block of holding one's breath is corresponding with kind of chamber is put, and kind is adsorbed with when seed absorbing plate
The air entry of son is reached when holding one's breath at block, and by air entry away from the one side closed of seed, now seed is nevertheless suffered from block of holding one's breath
The effect of negative pressure cannot drop, but negative pressure amplitude reduction, the pressure reduction that seed is subject to, gently stir kind using Ruan Bo mechanisms
Son can be such that seed falls in inoculation box, naturally it is also possible to using Ying Bo mechanisms, and Bo Zi mechanisms will not cause to damage to seed,
Effectively keep seed integrality, improve germination percentage, inoculation box in seed enter into duckbilled, duckbilled extend into ground with
Under, seed drops and completes sowing when duckbilled is opened.As needed, the suction hole of varying number can be set on seed absorbing plate.
Further, one end near the block of holding one's breath of the fixed mount is provided with slideway, the block of holding one's breath away from
The side of the seed absorbing plate is provided with sliding block, and the sliding block is slided and is embedded in the slideway, is arranged with the outside of the sliding block
Back-moving spring, the back-moving spring is stage clip, and the two ends of the back-moving spring are respectively held against the slideway and sliding block.
Sliding block can slidably reciprocate in slideway, and the direction of slip is vertical with the surface of seed absorbing plate, so as to adjust block of holding one's breath
Position, back-moving spring pressed slider, the block that makes to hold one's breath is brought into close contact with seed absorbing plate all the time, it is ensured that when block of holding one's breath closes suction hole
Air-tightness, it is to avoid because sealing effectiveness is deteriorated caused by block abrasion of holding one's breath, also, sliding block slides in slideway and can effectively prevent
Only can make to close because the improper sealing for causing in block position of holding one's breath is poor or extruding seed absorbing plate damages it in installation process
Air parcel is brought into close contact with seed absorbing plate all the time, and seed absorbing plate will not be extruded again, the insufficient pressure of block of holding one's breath so that seed absorbing plate deformed damaged,
The position of mechanism of holding one's breath need not be adjusted the moment, operating efficiency is improved.
Further, the bottom of the seed feed pipe is provided with seed recovery port, and the seed recovery port passes through cover plate
Closing, one end of the cover plate and the seed feed pipe are rotated and are connected, the other end of the cover plate and the seed feed pipe
Engaging.
Vacuum-seed-taking seeding apparatus can be used for the sowing of different seeds, when sowing is finished or needs to change seed, need
Seed is completely exhausted out from seed chamber is taken, it is therefore desirable to which in the bottom of seed feed pipe, seed recovery port is set, and by lid
Plate is closed, it is ensured that in normal sowing, seed will not flow out from seed recovery port；Existing cover plate is generally the form of plate,
Carry out needing to remove plate when seed is reclaimed exposing seed recovery port, plate leaves about can cause situations such as losing, and plug
Process is relatively complicated, and operating efficiency is relatively low.One end of cover plate rotates with seed feed pipe and is connected, and the other end feeds pipe clamp with seed
Close, carry out directly by being partially separated for engaging when seed is reclaimed, recovery engages the two after finishing, simple to operate,
Also, because cover plate is connected with seed feed pipe all the time, therefore, cover plate will not be lost.
Further, one end of the close described case of the cover plate rotates with the seed feed pipe and is connected, the lid
One end away from the case of plate engages with the seed feed pipe, and the one of the close described air cavity of the seed feed pipe
It is bend pipe to hold, and the cover plate is chute type.
When cover plate is opened, seed can fall along cover plate, and because one end of seed feed pipe is bend pipe, cover plate
Can be bending, when cover plate is opened, the angle between cover plate and seed feed pipe is larger, facilitates seed to flow out；Additionally, due to
Cover plate is chute type, and chute refers to that the cross section of cover plate is the molded non-planars such as arc, " u "-shaped, and seed can be to the centre of cover plate
Recess is drawn close and is fallen, seed along cover plate fall when will not be scattered everywhere, be easy to the collection of seed.
Further, the tracheae axle runs through the seed absorbing plate, leads between the inner side of the seed absorbing plate and the tracheae axle
Cross clutch shaft bearing rotation to connect, the inwall of the tracheae axle and the air cavity is rotated by second bearing and connected.
Clutch shaft bearing causes that the relative rotation between tracheae axle and seed absorbing plate is more smooth, clutch shaft bearing and tracheae axle it
Between, collective effect between air cavity and tracheae axle, it is ensured that be less likely to occur between air cavity and tracheae axle it is relative rock, maintain to inhale
The positional stability of seed disk, seed absorbing plate can only be rotated around Pivot Point Center line, and seed can when dialling by Bo Zi mechanisms from air entry
Entered in the inoculation box specified with smooth, position of dropping is more accurate.Second bearing causes the phase between tracheae axle and air cavity
It is more smooth to rotating, it is not easy to shake, it is ensured that seed is dialled the accuracy of the position for falling.
Further, the air cavity is internally provided with shoulder hole, the first shoulder hole that respectively internal diameter is sequentially reduced,
Second shoulder hole, the 3rd shoulder hole and fourth order ladder hole, the external diameter of the external diameter more than second shoulder hole of the seed absorbing plate, institute
State seed absorbing plate to be fitted with first shoulder hole, the mechanism of holding one's breath is arranged in second shoulder hole, the second bearing
It is arranged in the 3rd shoulder hole, the fourth order ladder borehole jack is located at the outside of the tracheae axle.
Contact area is smaller between traditional air cavity and seed absorbing plate, and gap and gas leakage are easily produced therebetween, causes
Negative pressure reduction in cavity, air entry is difficult to securely adsorb seed, and seed easily drops causes the phenomenons such as broadcast leakage；By rank
Terraced hole causes certain spatial level that is internally formed of air cavity, and the entirety of air cavity can make the form of multi-diameter shaft, first
The external diameter in shoulder hole, the second shoulder hole, the 3rd shoulder hole and fourth order ladder hole is sequentially reduced, the second shoulder hole and the 3rd shoulder hole
The portion outboard of contact is provided for the projection being connected with program request roller, forms Dual-disk integrated formula air cavity, the edge of seed absorbing plate
Surface with the first shoulder hole is brought into close contact, and fitting area increase, sealing effectiveness therebetween is more preferable, the adsorption effect of seed
More preferably；The mechanism that will hold one's breath is arranged in the second shoulder hole, does not interfere with the normal work of miscellaneous part；3rd shoulder hole it is interior
Footpath is relatively small, and the requirement to bearing is relatively low, stability is more preferable；Fourth order ladder hole is close to the outside of tracheae axle, even if the second axle
Damage is held, the rotation between air cavity and tracheae axle is still more steady, it is not easy to shake.
Further, the oil sealing for sealing, the inner side and outer side point of the oil sealing are provided with the 3rd shoulder hole
Do not fitted with the outer wall of the tracheae axle and the inwall of the 3rd shoulder hole.
Oil sealing can make cavity be in the state of opposing seal, prevent air from entering from the gap between tracheae axle and air cavity
Enter in cavity, suction hole is stronger to the adsorption capacity of seed, and seed is more firm；And the cost of oil sealing is relatively low, sealing effectiveness
More preferably.
Further, the oil sealing is relative to the second bearing closer to the seed absorbing plate, the air cavity, the suction
The cavity is formed between seed disk and the oil sealing, the passage is four and is connected with the cavity.
Oil sealing is located between clutch shaft bearing and second bearing, and the distance between clutch shaft bearing and second bearing are relative to be increased,
Rotation connection between air cavity and tracheae axle and between seed absorbing plate and tracheae axle is more firm, it is not easy to shake.
Further, at least three arc-shaped through-holes are provided with the seed absorbing plate, the arc-shaped through-hole is near the suction seed
The edge of disk and between the outside of the case, the seed absorbing plate and the air cavity by bolt presses, the bolt
Through the arc-shaped through-hole.
Bolt can be worn in arc-shaped through-hole, will be fixed between seed absorbing plate and air cavity using bolt, therebetween
Laminating it is even closer, effectively reduce gap, it is ensured that the negative pressure in cavity, the air cavity for being particularly suitable for Dual-disk integrated formula makes
With；Additionally, seed absorbing plate fall seed position necessarily correspond to be inoculated with box a bit, it is therefore desirable to control it is suitable in place
Time falls seed, and do not transfer seed absorbing plate due to tracheae axle rotates with air cavity, therefore cumbersome during regulation, is setting up arcuate socket
Afterwards, seed absorbing plate is rotated before normal operation to be at position the most appropriate and fixed using bolt, is adjusted very square
Just operating efficiency, is improved.
Further, the fixed disk for being connected with program request roller, the fixed disk are provided with the outside of the air cavity
Set along the radial direction of the air cavity.
Fixed disk is connected with program request roller, air cavity is rotated in the presence of program request roller, on fixed disk
The through hole of bolt can be provided for wearing.
Compared with prior art, the beneficial effects of the invention are as follows：Absorbed seed is used in using the block of holding one's breath of mechanism of holding one's breath
Negative pressure be greatly lowered, suction that seed is subject to reduces, it is only necessary to which seed can be dialled and dropped down onto in inoculation box by less power, both
Seed will not be caused to damage, also be not easy situations such as broadcast leakage occur, it is ensured that leakage sowing rate is reduced while seed integrity；And
And, only can just be held one's breath block closing when adsorbing seed-bearing suction hole and reaching specific position, therefore, rotated in seed absorbing plate
During seed do not fall out.
Brief description of the drawings
Fig. 1 is vacuum-seed-taking seeding apparatus schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the A portions close-up schematic view of Fig. 1；
Fig. 3 is the air cavity front view of Fig. 1；
Fig. 4 is the B-B sectional views of Fig. 3；
Fig. 5 is the seed absorbing plate front view of Fig. 1.
Tracheae axle 101；Air cavity 102；Seed absorbing plate 103；Case 104；Passage 105；Fixed disk 106；Suction hole 107；
Clutch shaft bearing 108；Second bearing 109；Take seed chamber 110；Put kind of chamber 111；Seed feed pipe 112；Fixed mount 113；Hold one's breath block
114；Slideway 115；Sliding block 116；Back-moving spring 117；Seed recovery port 118；Cover plate 119；First shoulder hole 120；Second ladder
Hole 121；3rd shoulder hole 122；Fourth order ladder hole 123；Oil sealing 124；Arc-shaped through-hole 125.
Specific embodiment
Existing Bo Zi mechanisms are divided into Ying Bo mechanisms and Ruan Bo mechanisms, and due to the presence of the negative pressure in cavity, to seed
Absorption dynamics it is larger to ensure that seed is not easy to drop in seed absorbing plate rotation process, Ying Bo mechanisms dynamics is larger, by force will
Adsorb the seed at suction hole to dial, certain damage can be caused to seed, so that germination percentage etc. is influenceed, the power of Ruan Bo mechanisms
Degree is smaller, seed will not be caused to damage, but occur that seed is not dialled to fall to causing the phenomenon of broadcast leakage.
In order that above mentioned problem is improved, the invention provides a kind of vacuum-seed-taking seeding apparatus, by air cavity
Built-in mechanism of holding one's breath inside is set up, the suction hole for turning to ad-hoc location block of being held one's breath is closed, negative pressure that seed is received reduces, because
The suction that this seed is subject to reduces, and can dial easily by Bo Zi mechanisms, will not damage seed, is also not easy broadcast leakage occur
Situation.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is vacuum-seed-taking seeding apparatus schematic diagram provided in an embodiment of the present invention；Fig. 2 shows for the A portions partial enlargement of Fig. 1
It is intended to；Fig. 3 is the air cavity front view of Fig. 1；Fig. 4 is the B-B sectional views of Fig. 3；Fig. 5 is the seed absorbing plate front view of Fig. 1.Such as Fig. 1-
Shown in Fig. 5, the embodiment of the present invention 1 provides a kind of vacuum-seed-taking seeding apparatus, including tracheae axle 101, air cavity 102, suction seed
Disk 103, case 104 and mechanism of holding one's breath.
As shown in figure 1, it is hollow structure that tracheae axle 101 is tubulose, i.e. tracheae axle 101, one end of tracheae axle 101 is provided with
Multiple passages 105, preferably four, side wall of the passage 105 through tracheae axle 101；The equipment such as blower fan run at high speed generation
Suction, the air that can be extracted by the passage 105 of tracheae axle 101 in cavity forms negative pressure, and blower fan can be from mechanical
Blower fan or electric fan etc..
Air cavity 102 is set in the outside of tracheae axle 101, and connection is rotated between air cavity 102 and tracheae axle 101；Air cavity
Body 102 can be rotated by rotary shaft of Pivot Point Center line in the outside of tracheae axle 101, so that drive seed absorbing plate 103 to rotate, tracheae
Axle 101, case 104 and mechanism of holding one's breath are relatively fixed and cannot rotate.The outside of air cavity 102 is provided with for connecting with program request roller
The fixed disk 106 for connecing, fixed disk 106 is set along the radial direction of air cavity 102；Fixed disk 106 is connected with program request roller, makes gas
Cavity 102 can rotate in the presence of program request roller, can be provided for wearing the through hole of bolt on fixed disk 106.
As shown in figure 5, being provided with suction hole 107 on seed absorbing plate 103, the edge of seed absorbing plate 103 is fitted admittedly with air cavity 102
It is fixed, cavity is formed between seed absorbing plate 103 and air cavity 102, cavity is in the state of opposing seal, and passage 105 connects with cavity
It is logical；The only suction hole 107 and ft connection of seed absorbing plate 103, blower fan etc. are by tracheae axle 101 and passage 105 by cavity
Gas extract out, cavity is in negative pressure state, and the atmospheric pressure of the both sides of suction hole 107 is different, seed is attracted to suction
Cannot be dropped on stomata 107.
As shown in figure 1, tracheae axle 101 runs through seed absorbing plate 103, by the between the inner side of seed absorbing plate 103 and tracheae axle 101
One bearing 108 rotates connection, and the outer ring of clutch shaft bearing 108 and inner ring are fixedly connected with seed absorbing plate 103 and tracheae axle 101 respectively,
Clutch shaft bearing 108 causes that relative rotation between tracheae axle 101 and seed absorbing plate 103 is more smooth, clutch shaft bearing 108 and tracheae axle
Collective effect between 101, between air cavity 102 and tracheae axle 101, it is ensured that be not easy hair between air cavity 102 and tracheae axle 101
It is raw relative to rock, the positional stability of seed absorbing plate 103 is maintained, seed absorbing plate 103 can only be rotated around Pivot Point Center line, and seed is from air-breathing
Can smoothly into the inoculation box specified when dialling by Bo Zi mechanisms at mouthful, position of dropping is more accurate.Tracheae axle 101 is gentle
The inwall of cavity 102 rotates connection by second bearing 109, the inner ring of second bearing 109 and outer ring respectively with tracheae axle 101 and
Air cavity 102 is fixedly connected, and second bearing 109 causes that the relative rotation between tracheae axle 101 and air cavity 102 is more smooth,
It is less likely to occur to rock, it is ensured that seed is dialled the accuracy of the position for falling.
As shown in figure 1, case 104 is fixedly connected with one end for being provided with passage 105 of tracheae axle 101, case 104 is leaned on
Nearly seed absorbing plate 103, the side of the close tracheae axle 101 of case 104 is provided with and takes seed chamber 110 and put kind of chamber 111, takes seed chamber 110
May be located at the lower section of case 104, put kind of chamber 111 positioned at the top of case 104, taking in seed chamber 110 for case 104 is placed with perhaps
Many seeds；Each suction hole 107 adsorbs a seed by taking during seed chamber 110, seed absorbing plate 103 rotates and can cause to be adsorbed with seed
Suction hole 107 reach and put the corresponding position in kind of chamber 111, to put in kind of chamber 111 typically be provided with and be inoculated with He Jibozi mechanisms,
The Bo Zi mechanisms can be Ying Bo mechanisms or Ruan Bo mechanisms, and the seed on suction hole 107 is dialled and dropped down onto in inoculation box by Bo Zi mechanisms,
Seed in inoculation box is discharged by duckbilled to be sowed in soil.The side away from tracheae axle 101 of case 104 is provided with kind
Sub- feed pipe 112, seed feed pipe 112 is connected with seed chamber 110 is taken；Seed feed pipe 112 can take seed chamber 110 for seed enters
There is provided passage, it is ensured that seed is carved with when taking in seed chamber 110 and is drawn for suction hole 107.
Bo Zi mechanisms typically use Ying Bo mechanisms or Ruan Bo mechanisms, and due to the presence of the negative pressure in cavity, to seed
Absorption dynamics is larger, and to ensure that seed is not easy to drop in the rotation process of seed absorbing plate 103, Ying Bo mechanisms dynamics is larger, by force will
Adsorb the seed at suction hole 107 to dial, certain damage can be caused to seed, so that germination percentage etc. is influenceed, Ruan Bo mechanisms
Dynamics it is smaller, will not to seed cause damage, but occur seed not by dial fall to causing the phenomenon of broadcast leakage.As shown in Figure 1, Figure 2
Shown, mechanism of holding one's breath is arranged in cavity, that is, form built-in mechanism of holding one's breath, and does not interfere with the normal work of remaining mechanism；Hold one's breath
Mechanism includes fixed mount 113 and the block 114 of holding one's breath for suction hole 107 to be closed, and block 114 of holding one's breath can have any shape, such as
Cuboid, cylinder and other irregular shapes etc., it is only necessary to which ensuring to hold one's breath block 114 can be complete by one of suction hole 107
It is totally-enclosed；Fixed mount 113 is fixedly connected with the outer wall of tracheae axle 101, and fixed mount 113 is fixed by the outer wall of tracheae axle 101,
The two will not be relatively rotated, and block 114 of holding one's breath is arranged on fixed mount 113, and block 114 of holding one's breath is with seed absorbing plate 103 away from cover
The side laminating of shell 104, block 114 of holding one's breath is corresponding with kind of chamber 111 is put, correspondence herein refer to hold one's breath block 114 position with put kind
Chamber 111 is adjacent.
Air cavity 102 drives seed absorbing plate 103 to rotate, and when block 114 of holding one's breath closes the suction hole 107 on seed absorbing plate 103, plants
A part of negative pressure of the side near cavity of son disappears, and the pressure difference of seed both sides reduces, and seed still can firmly be inhaled
It is attached on suction hole 107, now easily can dials by seed using Ruan Bo mechanisms, seed will not be caused to damage.Certainly, increase
If after mechanism of holding one's breath, seed will not be also damaged using Ying Bo mechanisms, Bo Zi mechanisms can also not be used in addition and may be such that kind
Son drops above specified inoculation box.
The course of work of vacuum-seed-taking seeding apparatus：Secure the device on power-equipment, make tracheae axle 101 and case
104 fixations cannot be movable, seed is put into case 104 from seed feed pipe 112 takes seed chamber 110, is passed through using blower fan etc.
Tracheae axle 101 and passage 105 extract the gas in cavity, the both sides of suction hole 107 is produced negative pressure；Air cavity 102 can be with
Rotate and drive seed absorbing plate 103 to rotate around tracheae axle 101, when air entry is by taking seed chamber 110, negative pressure makes wherein one seed
Being attracted at air entry to drop；Air cavity 102 and seed absorbing plate 103 are rotated further, and mechanism of holding one's breath consolidates with tracheae axle 101
Fixed, the position of block 114 of holding one's breath is corresponding with kind of chamber 111 is put, when the seed-bearing air entry of the absorption of seed absorbing plate 103 reaches block of holding one's breath
When at 114, block 114 of holding one's breath by air entry away from the one side closed of seed, now seed nevertheless suffer from the effect of negative pressure cannot
Drop, but negative pressure amplitude reduction, the pressure reduction that seed is subject to, fall seed by gently stirring seed using Ruan Bo mechanisms
Drop down onto in inoculation box, naturally it is also possible to using Ying Bo mechanisms, Bo Zi mechanisms will not cause to damage to seed, effectively keep seed
Integrality, improves germination percentage, and the seed in inoculation box is entered into duckbilled, and duckbilled extend into below ground, kind when duckbilled is opened
Son drops and completes sowing.As needed, the suction hole 107 of varying number can be set on seed absorbing plate 103.
As the preferred scheme of the embodiment, as shown in Fig. 2 one end near block 114 of holding one's breath of fixed mount 113 is provided with
Slideway 115, the side away from seed absorbing plate 103 of block 114 of holding one's breath is provided with sliding block 116, and sliding block 116 is slided and is embedded in slideway 115
Interior, sliding block 116 can slidably reciprocate in slideway 115, and the direction of slip is vertical with the surface of seed absorbing plate 103, so as to adjust close
The position of air parcel 114；The outside of sliding block 116 is arranged with back-moving spring 117, and back-moving spring 117 is stage clip, back-moving spring 117
Two ends are respectively held against slideway 115 and sliding block 116.The pressed slider 116 of back-moving spring 117, make to hold one's breath block 114 all the time with seed absorbing plate
103 are brought into close contact, it is ensured that air-tightness when block 114 of holding one's breath closes suction hole 107, it is to avoid due to holding one's breath, the abrasion of block 114 causes
Sealing effectiveness be deteriorated, also, sliding block 116 is slided in the slideway 115 and can effectively prevented in installation process due to block of holding one's breath
The improper sealing for causing in 114 positions is poor or extruding seed absorbing plate 103 damages it, can make to hold one's breath block 114 all the time with inhale seed
Disk 103 is brought into close contact, and seed absorbing plate 103 will not be extruded again, the insufficient pressure of block 114 of holding one's breath so that the deformed damaged of seed absorbing plate 103, no
Need the moment to adjust the position of mechanism of holding one's breath, improve operating efficiency.
As the preferred scheme of the embodiment, as shown in figure 1, vacuum-seed-taking seeding apparatus can be used for broadcasting for different seeds
Kind, when sowing is finished or needs to change seed, it is necessary to seed is completely exhausted out from seed chamber 110 is taken, it is therefore desirable in seed
The bottom of feed pipe 112 sets seed recovery port 118, and is closed by cover plate 119, it is ensured that in normal sowing, seed will not be from
Flowed out at seed recovery port 118；Existing cover plate 119 is generally the form of plate, carries out needing to remove plate when seed is reclaimed
Expose seed recovery port 118, plate leaves about can cause situations such as losing, and swapping process is relatively complicated, operating efficiency compared with
It is low.One end of cover plate 119 rotates with seed feed pipe 112 and is connected, and the other end of cover plate 119 engages with seed feed pipe 112, excellent
One end and the seed feed pipe 112 for electing the close case 104 of cover plate 119 as are rotated and are connected, cover plate 119 away from case 104
One end engages with seed feed pipe 112, carries out when seed is reclaimed directly by being partially separated for engaging, and reclaims two after finishing
Person engages, simple to operate, also, because cover plate 119 is connected with seed feed pipe 112 all the time, therefore, cover plate 119 will not
Lose.
One end of the close air cavity 102 of seed feed pipe 112 is bend pipe, and when cover plate 119 is opened, seed can be along lid
Plate 119 falls, and because one end of seed feed pipe 112 is bend pipe, cover plate 119 can also be bending, and cover plate 119 is opened
When, the angle between cover plate 119 and seed feed pipe 112 is larger, facilitates seed to flow out；Other cover plate 119 is chute type, chute
Refer to that the cross section of cover plate 119 is the molded non-planar such as arc, " u "-shaped, seed can be to drawing close simultaneously at the intermediate recess of cover plate 119
Fall, seed along cover plate 119 fall when will not be scattered everywhere, be easy to the collection of seed.
Contact area is smaller between traditional air cavity 102 and seed absorbing plate 103, gap is easily produced therebetween and is leaked
Gas, causes the negative pressure in cavity to reduce, and air entry is difficult to securely adsorb seed, and seed easily drops causes broadcast leakage etc. existing
As；Therefore, as shown in Figure 3, Figure 4, as the preferred scheme of the embodiment, air cavity 102 is internally provided with shoulder hole, respectively
The first shoulder hole 120, the second shoulder hole 121, the 3rd shoulder hole 122 and the fourth order ladder hole 123 being sequentially reduced for internal diameter, pass through
Shoulder hole causes certain spatial level that is internally formed of air cavity 102, and the entirety of air cavity 102 can make the shape of multi-diameter shaft
Formula, the external diameter in the first shoulder hole 120, the second shoulder hole 121, the 3rd shoulder hole 122 and fourth order ladder hole 123 is sequentially reduced.Inhale
The external diameter of seed disk 103 is more than the external diameter of the second shoulder hole 121, and seed absorbing plate 103 is embedded in the first shoulder hole 120, seed absorbing plate 103
Fitted with the first shoulder hole 120, the portion outboard of the second shoulder hole 121 and the contact of the 3rd shoulder hole 122 is provided for and program request
The projection of roller connection, forms Dual-disk integrated formula air cavity 102, and the edge of seed absorbing plate 103 is tight with the surface of the first shoulder hole 120
Closely connected conjunction, fitting area increase, more preferably, the adsorption effect of seed is more preferable for sealing effectiveness therebetween.Mechanism of holding one's breath is arranged on
In second shoulder hole 121, the mechanism that will hold one's breath is arranged in the second shoulder hole 121, does not interfere with the normal work of miscellaneous part.
Second bearing 109 is arranged in the 3rd shoulder hole 122, and the internal diameter of the 3rd shoulder hole 122 is relatively small, the requirement to bearing compared with
Low, stability is more preferable；It is provided with 3rd shoulder hole 122 for by the oil sealing 124 of cavities seals, the inner side of oil sealing 124 and outer
Side is fitted with the outer wall of tracheae axle 101 and the inwall of the 3rd shoulder hole 122 respectively, and it is relatively close that oil sealing 124 can be in cavity
The state of envelope, prevents gap of the air between tracheae axle 101 and air cavity 102 from entering in cavity, and suction hole 107 is to seed
Adsorption capacity is stronger, and seed is more firm；And the cost of oil sealing 124 is relatively low, sealing effectiveness is more preferable；Oil sealing 124 is relative to
Two bearings 109 form cavity closer to seed absorbing plate 103 between air cavity 102, seed absorbing plate 103 and oil sealing 124, oil sealing 124 is located at
Between clutch shaft bearing 108 and second bearing 109, the distance between clutch shaft bearing 108 and second bearing 109 are relative to be increased, air cavity
Rotation connection between body 102 and tracheae axle 101 and between seed absorbing plate 103 and tracheae axle 101 is more firm, it is not easy to occur
Rock.Fourth order ladder hole 123 is set in the outside of tracheae axle 101, and fourth order ladder hole 123 is close to the outside of tracheae axle 101, even if
Second bearing 109 is damaged, and the rotation between air cavity 102 and tracheae axle 101 is still more steady, it is not easy to shake.
As the preferred scheme of the embodiment, as shown in figure 5, being provided with four arc-shaped through-holes 125, arc on seed absorbing plate 103
Shape through hole 125 passes through near the edge of seed absorbing plate 103 and between the outside of case 104, seed absorbing plate 103 and air cavity 102
Bolt presses, bolt passes through arc-shaped through-hole 125.
Bolt can be worn in arc-shaped through-hole 125, will be fixed between seed absorbing plate 103 and air cavity 102 using bolt,
Therebetween laminating is even closer, effectively reduces gap, it is ensured that the negative pressure in cavity, is particularly suitable for the gas of Dual-disk integrated formula
Cavity 102 is used；Additionally, seed absorbing plate 103 fall seed position necessarily correspond to be inoculated with box a bit, it is therefore desirable to control suitable
Time of position suitable fall seed, due to tracheae axle 101 then seed absorbing plate 103 is rotated, it is therefore cumbersome during regulation, increasing
If after arcuate socket, seed absorbing plate 103 being rotated before normal operation and being at position the most appropriate and is fixed using bolt,
Regulation is very convenient, improve operating efficiency.
The negative pressure for being used in absorbed seed using the block 114 of holding one's breath of mechanism of holding one's breath is greatly lowered, the suction that seed is subject to
Reduction, it is only necessary to which seed can be dialled and dropped down onto in inoculation box by less power, will not both cause to damage to seed, also be not easy appearance
Situations such as broadcast leakage, it is ensured that leakage sowing rate is reduced while seed integrity；And, only when the seed-bearing suction hole 107 of absorption is arrived
Up to can just be held one's breath during specific position, block 114 is closed, therefore, seed does not fall out in the rotation process of seed absorbing plate 103.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of vacuum-seed-taking seeding apparatus, it is characterised in that including：
Tracheae axle, the tracheae axle is tubulose, and one end of the tracheae axle is provided with least one passage, and the passage is passed through
Wear the side wall of the tracheae axle；
Air cavity, the air cavity is set in the outside of the tracheae axle, the company of rotation between the air cavity and the tracheae axle
Connect；
Seed absorbing plate, is provided with suction hole on the seed absorbing plate, the edge of the seed absorbing plate is fitted fixation with the air cavity, described
Cavity is formed between seed absorbing plate and the air cavity, the passage is connected with the cavity；
Case, the case is fixedly connected with one end for being provided with the passage of the tracheae axle, the case be close to
The side of the tracheae axle is provided with and takes seed chamber and put kind of a chamber, and the side away from the tracheae axle of the case is provided with seed
Feed pipe, the seed feed pipe is connected with the seed chamber that takes；
Hold one's breath mechanism, the mechanism of holding one's breath is arranged in the cavity, the mechanism of holding one's breath is including fixed mount and for will be described
The block of holding one's breath of suction hole closing, the fixed mount is fixedly connected with the outer wall of the tracheae axle, and the block of holding one's breath is arranged on described
On fixed mount, the block of holding one's breath is fitted with the side away from the case of the seed absorbing plate, and the block of holding one's breath puts kind with described
Chamber correspondence；
The tracheae axle runs through the seed absorbing plate, is rotated by clutch shaft bearing between the inner side of the seed absorbing plate and the tracheae axle
The inwall of connection, the tracheae axle and the air cavity is rotated by second bearing and connected；
The air cavity is internally provided with shoulder hole, the first shoulder hole, the second shoulder hole, that respectively internal diameter is sequentially reduced
Three shoulder holes and fourth order ladder hole, the external diameter of the external diameter more than second shoulder hole of the seed absorbing plate, the seed absorbing plate and institute
The laminating of the first shoulder hole is stated, the mechanism of holding one's breath is arranged in second shoulder hole, the second bearing is arranged on described the
In three shoulder holes, the fourth order ladder borehole jack is located at the outside of the tracheae axle.
2. vacuum-seed-taking seeding apparatus according to claim 1, it is characterised in that the fixed mount is held one's breath near described
One end of block is provided with slideway, and the side away from the seed absorbing plate of the block of holding one's breath is provided with sliding block, and the sliding block slides embedding
It is located in the slideway, back-moving spring is arranged with the outside of the sliding block, the back-moving spring is stage clip, the back-moving spring
Two ends are respectively held against the slideway and sliding block.
3. vacuum-seed-taking seeding apparatus according to claim 1, it is characterised in that the bottom of the seed feed pipe is set
There is seed recovery port, by cover closure, one end of the cover plate rotates and connects the seed recovery port with the seed feed pipe
Connect, the other end of the cover plate engages with the seed feed pipe.
4. vacuum-seed-taking seeding apparatus according to claim 3, it is characterised in that the close described case of the cover plate
One end rotates with the seed feed pipe and is connected, and one end away from the case of the cover plate feeds pipe clamp with the seed
Close, one end of the close described air cavity of the seed feed pipe is bend pipe, and the cover plate is chute type.
5. vacuum-seed-taking seeding apparatus according to claim 1, it is characterised in that be provided with use in the 3rd shoulder hole
In the oil sealing of sealing, the inner side and outer side of the oil sealing respectively with the outer wall and the inwall of the 3rd shoulder hole of the tracheae axle
Laminating.
6. vacuum-seed-taking seeding apparatus according to claim 5, it is characterised in that the oil sealing is relative to second axle
Hold closer to the seed absorbing plate, the cavity, the passage are formed between the air cavity, the seed absorbing plate and the oil sealing
Connect for four and with the cavity.
7. the vacuum-seed-taking seeding apparatus according to claim 1-4 any one, it is characterised in that set on the seed absorbing plate
At least three arc-shaped through-holes are equipped with, the arc-shaped through-hole is near the edge of the seed absorbing plate and positioned at the outside of the case, institute
State by bolt presses between seed absorbing plate and the air cavity, the bolt passes through the arc-shaped through-hole.
8. the vacuum-seed-taking seeding apparatus according to claim 1-4 any one, it is characterised in that the air cavity it is outer
Side is provided with the fixed disk for being connected with program request roller, and the fixed disk is set along the radial direction of the air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069011.XA CN104584741B (en) | 2015-02-10 | 2015-02-10 | Vacuum seed picking and sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510069011.XA CN104584741B (en) | 2015-02-10 | 2015-02-10 | Vacuum seed picking and sowing device |
Publications (2)
| Publication Number | Publication Date |
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| CN104584741A CN104584741A (en) | 2015-05-06 |
| CN104584741B true CN104584741B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069011.XA Expired - Fee Related CN104584741B (en) | 2015-02-10 | 2015-02-10 | Vacuum seed picking and sowing device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106105515B (en) * | 2016-08-22 | 2017-12-12 | 刘建坡 | A kind of Pneumatic type precision seeding machine |
| CN114735470B (en) * | 2022-04-18 | 2023-10-13 | 安徽兴大种业有限公司 | Melon seed taking device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7448334B2 (en) * | 2005-11-14 | 2008-11-11 | Deere & Company | Flat type seed meter disk with axially offset surface |
| CN201911019U (en) * | 2011-01-18 | 2011-08-03 | 陈恒 | Vacuum seed extracting type precision hole seeding device provided with negative pressure storage tank |
| CN102217446A (en) * | 2011-06-10 | 2011-10-19 | 杨生 | Closed precise seed sowing mechanism |
| CN202104026U (en) * | 2011-06-28 | 2012-01-11 | 陈恒 | Bunch seeding device with variable-speed air chamber |
| CN102742403A (en) * | 2012-08-10 | 2012-10-24 | 陈恒 | Air cavity rolling type precision hole sowing device |
| CN203801244U (en) * | 2014-04-04 | 2014-09-03 | 昆明理工大学 | Air-suction-type precision seed metering device |
| CN204466219U (en) * | 2015-02-10 | 2015-07-15 | 王飞 | Vacuum-seed-taking seeding apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7938073B2 (en) * | 2007-09-25 | 2011-05-10 | Kinze Manufacturing, Inc. | Air seed meter with debris clearing device |
-
2015
- 2015-02-10 CN CN201510069011.XA patent/CN104584741B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7448334B2 (en) * | 2005-11-14 | 2008-11-11 | Deere & Company | Flat type seed meter disk with axially offset surface |
| CN201911019U (en) * | 2011-01-18 | 2011-08-03 | 陈恒 | Vacuum seed extracting type precision hole seeding device provided with negative pressure storage tank |
| CN102217446A (en) * | 2011-06-10 | 2011-10-19 | 杨生 | Closed precise seed sowing mechanism |
| CN202104026U (en) * | 2011-06-28 | 2012-01-11 | 陈恒 | Bunch seeding device with variable-speed air chamber |
| CN102742403A (en) * | 2012-08-10 | 2012-10-24 | 陈恒 | Air cavity rolling type precision hole sowing device |
| CN203801244U (en) * | 2014-04-04 | 2014-09-03 | 昆明理工大学 | Air-suction-type precision seed metering device |
| CN204466219U (en) * | 2015-02-10 | 2015-07-15 | 王飞 | Vacuum-seed-taking seeding apparatus |
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| CN104584741A (en) | 2015-05-06 |
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