CN204466219U - Vacuum-seed-taking seeding apparatus - Google Patents
Vacuum-seed-taking seeding apparatus Download PDFInfo
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- CN204466219U CN204466219U CN201520093259.5U CN201520093259U CN204466219U CN 204466219 U CN204466219 U CN 204466219U CN 201520093259 U CN201520093259 U CN 201520093259U CN 204466219 U CN204466219 U CN 204466219U
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- air cavity
- tracheae axle
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Abstract
The utility model provides a kind of vacuum-seed-taking seeding apparatus, belongs to seeding machinery field, comprises tracheae axle, air cavity, seed absorbing plate, case and mechanism of holding one's breath; One end of tracheae axle is provided with at least one ventilation hole; Air cavity is set in the outside of tracheae axle, is rotationally connected between the gentle tubular axis of air cavity; Seed absorbing plate is provided with suction hole; Case is fixedly connected with one end being provided with ventilation hole of tracheae axle, and the side of the close tracheae axle of case is provided with gets seed chamber and puts kind of a chamber; Hold one's breath organization establishes in cavity, and mechanism of holding one's breath comprises fixed mount and the block of holding one's breath for being closed by suction hole, and fixed mount is fixedly connected with the outer wall of tracheae axle.The negative pressure using the block of holding one's breath of mechanism of holding one's breath to be used in absorbed seed significantly reduces, the suction that seed is subject to reduces, only need less power seed can be dialled and drop down onto in inoculation box, both damage can not be caused to seed, also be not easy to occur the situations such as broadcast leakage, while ensureing seed integrity, reduce leakage sowing rate.
Description
Technical field
The utility model relates to seeding machinery field, in particular to vacuum-seed-taking seeding apparatus.
Background technology
Pneumatic drum type precise sower belongs to the one of the seeding machinery of integration of operation, disposablely can complete the multinomial work such as fertilizer film paving sowing earthing, the simple grain Precise sowing on film can be carried out to crops such as corn, beans, sunflower, cucurbits, in China Inner Mongol, Shanxi, Shaanxi, Ningxia, Xinjiang, northeast and Hebei province part area widely use.
Vacuum-seed-taking seeding apparatus is the important component part of pneumatic drum type precise sower, to be run up generation suction by blower fan, make the suction hole absorbed seed of seed absorbing plate and rotate, to be dialled by seed finally by Bo Zi mechanism and drop down onto in inoculation box, the seed in inoculation box realizes sowing by duckbilled.
Existing Bo Zi mechanism is divided into Ying Bo mechanism and Ruan Bo mechanism, and due to the existence of the negative pressure in cavity, larger to guarantee that seed is not easy to drop in seed absorbing plate rotation process to the absorption dynamics of seed, Ying Bo mechanism dynamics is comparatively large, is dialled by the seed being adsorbed on suction hole place by force, can cause certain damage to seed, thus affect germination rate etc., the dynamics of Ruan Bo mechanism is less, can not cause damage to seed, but there will be seed is not dialled the phenomenon falling to causing broadcast leakage.
Utility model content
The utility model provides a kind of vacuum-seed-taking seeding apparatus, and the problems referred to above are improved.
The utility model is achieved in that
A kind of vacuum-seed-taking seeding apparatus, comprising:
Tracheae axle, described tracheae axle is tubulose, and one end of described tracheae axle is provided with at least one ventilation hole, and described ventilation hole runs through the sidewall of described tracheae axle;
Air cavity, described air cavity is set in the outside of described tracheae axle, is rotationally connected between described air cavity and described tracheae axle;
Seed absorbing plate, described seed absorbing plate is provided with suction hole, and the edge of described seed absorbing plate and described air cavity are fitted fixing, form cavity, described ventilation hole and described cavity connects between described seed absorbing plate and described air cavity;
Case, described case is fixedly connected with one end being provided with described ventilation hole of described tracheae axle, the side of the close described tracheae axle of described case is provided with gets seed chamber and puts kind of a chamber, the side away from described tracheae axle of described case is provided with seed feed pipe, and described seed feed pipe is communicated with described seed chamber of getting;
To hold one's breath mechanism, described organization establishes of holding one's breath is in described cavity, described mechanism of holding one's breath comprises fixed mount and the block of holding one's breath for being closed by described suction hole, described fixed mount is fixedly connected with the outer wall of described tracheae axle, described block of holding one's breath is arranged on described fixed mount, fit in the side away from described case of described hold one's breath block and described seed absorbing plate, described in block of holding one's breath corresponding with described kind of chamber of putting.
Tracheae axle is hollow structure, and the equipment such as blower fan run up generation suction, and the air that can be extracted in cavity by the ventilation hole of tracheae axle forms negative pressure, and blower fan can select mechanical type blower fan or electric fan etc.Air cavity can with Pivot Point Center line for turning cylinder rotates in the outside of tracheae axle, thus drive seed absorbing plate to rotate, and tracheae axle, case cannot rotate relative to fixing with mechanism of holding one's breath; Cavity is in the state of opposing seal, only have the suction hole of seed absorbing plate to be communicated with case, the gas in cavity is extracted out by tracheae axle and ventilation hole by blower fan etc., and cavity is in negative pressure state, the atmospheric pressure of suction hole both sides is different, and seed can be attracted on suction hole cannot drop.Case is near seed absorbing plate, get seed chamber can be positioned at case below, put the top that kind of chamber is positioned at case, getting in seed chamber of case is placed with many seeds, each suction hole adsorbs a seed through getting seed chamber, seed absorbing plate rotation can make to adsorb seed-bearing suction hole and arrive the position corresponding with putting kind of chamber, put in kind of chamber and generally can be provided with inoculation He Jibozi mechanism, this Bo Zi mechanism can be Ying Bo mechanism or Ruan Bo mechanism, seed on suction hole is dialled and is dropped down onto in inoculation box by Bo Zi mechanism, and the seed in inoculation box is discharged sowing in soil by duckbilled; Seed feed pipe can be got seed chamber and provides passage for seed enters, and guarantees that being carved with seed when getting in seed chamber draws for suction hole.Bo Zi mechanism generally adopts Ying Bo mechanism or Ruan Bo mechanism, and due to the existence of the negative pressure in cavity, larger to guarantee that seed is not easy to drop in seed absorbing plate rotation process to the absorption dynamics of seed, Ying Bo mechanism dynamics is comparatively large, is dialled by the seed being adsorbed on suction hole place by force, can cause certain damage to seed, thus affect germination rate etc., the dynamics of Ruan Bo mechanism is less, can not cause damage to seed, but there will be seed is not dialled the phenomenon falling to causing broadcast leakage; Hold one's breath organization establishes in cavity, namely built-in mechanism of holding one's breath is formed, the normal work of all the other mechanisms can not be affected, fixed mount is fixed by the outer wall of tracheae axle, the two can not relatively rotate, block of holding one's breath can have any shape, and as cuboid, cylinder and other is irregularly shaped etc., one of them suction hole can be closed by the block that only needs to guarantee to hold one's breath completely; Air cavity drives seed absorbing plate to rotate, when suction hole on seed absorbing plate is closed by block of holding one's breath, a part of negative pressure of the side of the close cavity of seed disappears, the pressure difference of seed both sides reduces, seed still can be firmly adsorbed on suction hole, now use Ruan Bo mechanism easily to be dialled by seed, damage can not be caused to seed.Certainly, after setting up mechanism of holding one's breath, use Ying Bo mechanism also can not damage seed, in addition by regulating the peak suction in cavity, also can not re-use Bo Zi mechanism and seed can be made to drop above the inoculation box of specifying.
The course of work of vacuum-seed-taking seeding apparatus: this device is fixed on power-equipment, tracheae axle and case are fixed cannot be movable, from seed feed pipe seed put into and get seed chamber to case, use blower fans etc. extract the gas in cavity by tracheae axle and ventilation hole, make the both sides of suction hole produce negative pressure, air cavity can rotate around tracheae axle and drive seed absorbing plate to rotate, and when air entry is through getting seed chamber, negative pressure makes a wherein seed be attracted to air entry place cannot to drop, air cavity and seed absorbing plate are rotated further, hold one's breath mechanism and tracheae axle is fixed, the hold one's breath position of block is corresponding with putting kind of chamber, when the seed-bearing air entry of the absorption of seed absorbing plate arrive hold one's breath block place time, hold one's breath block by one side closed away from seed of air entry, the effect that now seed is still subject to negative pressure cannot be dropped, but negative pressure amplitude reduces, the pressure that seed is subject to reduces, using Ruan Bo mechanism to stir seed gently can make seed fall in inoculation box, Ying Bo mechanism can certainly be used, Bo Zi mechanism can not cause damage to seed, the integrality of effective maintenance seed, improve germination rate, seed in inoculation box enters in duckbilled, duckbilled extend into below ground, when duckbilled is opened, seed has dropped sowing.As required, the suction hole of varying number can be set on seed absorbing plate.
Further, described fixed mount near described in hold one's breath one end of block be provided with slideway, the side away from described seed absorbing plate of described block of holding one's breath is provided with slide block, described skid is embedded in described slideway, the outside of described slide block is arranged with back-moving spring, described back-moving spring is stage clip, and the two ends of described back-moving spring prop up described slideway and slide block respectively.
Slide block can slidably reciprocate in slideway, the direction of sliding is vertical with the surface of seed absorbing plate, thus regulate the position of block of holding one's breath, back-moving spring pressed slider, the block that makes to hold one's breath fits tightly with seed absorbing plate all the time, ensure the air-tightness of block when being closed by suction hole of holding one's breath, avoid because the wear and tear sealing effectiveness that causes of block of holding one's breath is deteriorated, and, slide block slides and can effectively prevent in installation process because the improper sealing caused in block position of holding one's breath is poor or extruding seed absorbing plate makes it damage in slideway, the block that can make to hold one's breath fits tightly with seed absorbing plate all the time, seed absorbing plate can not be extruded again, hold one's breath the insufficient pressure of block to make seed absorbing plate deformed damaged, the moment is not needed to adjust the position of mechanism of holding one's breath, increase work efficiency.
Further, the bottom of described seed feed pipe is provided with seed recovery port, and described seed recovery port is by cover closure, and one end and the described seed feed pipe of described cover plate are rotationally connected, and the other end of described cover plate engages with described seed feed pipe.
Vacuum-seed-taking seeding apparatus may be used for the sowing of different seed, when sowing is complete or need to change seed, seed is needed to discharge completely from getting seed chamber, therefore need to arrange seed recovery port in the bottom of seed feed pipe, and by cover closure, ensure that seed can not flow out from seed recovery port when normal sowing; Existing cover plate is generally the form of plate, and carry out needing to take off plate when seed reclaims and seed recovery port is exposed, plate leaves about situations such as can causing loss, and swapping process is comparatively loaded down with trivial details, and operating efficiency is lower.One end and the seed feed pipe of cover plate are rotationally connected, the other end engages with seed feed pipe, carry out directly the part of engaging being separated when seed reclaims, after recovery, the two is engaged, simple to operation, and, because cover plate is connected with seed feed pipe all the time, therefore, cover plate can not be lost.
Further, one end and the described seed feed pipe of the close described case of described cover plate are rotationally connected, one end away from described case of described cover plate engages with described seed feed pipe, and one end of the close described air cavity of described seed feed pipe is bend pipe, and described cover plate is chute type.
When cover plate is opened, seed can fall along cover plate, and due to one end of seed feed pipe be bend pipe, cover plate can be also bending, and when cover plate is opened, the angle between cover plate and seed feed pipe is comparatively large, facilitates seed to flow out; In addition because cover plate is chute type, chute refers to that the cross section of cover plate is the molded non-planar such as arc, " U " shape, and seed can be drawn close to the intermediate recess place of cover plate and fall, and seed can not be scattered everywhere when cover plate falls, is convenient to the collection of seed.
Further, described tracheae axle runs through described seed absorbing plate, and be rotationally connected by clutch shaft bearing between the inner side of described seed absorbing plate and described tracheae axle, the inwall of described tracheae axle and described air cavity is rotationally connected by the second bearing.
Clutch shaft bearing make between tracheae axle and seed absorbing plate relatively rotate more smooth and easy, between clutch shaft bearing and tracheae axle, acting in conjunction between the gentle tubular axis of air cavity, guarantee to be less likely to occur relatively to rock between the gentle tubular axis of air cavity, maintain the positional stability of seed absorbing plate, seed absorbing plate can only rotate around Pivot Point Center line, can enter smoothly in the inoculation box of specifying when seed is dialled from air entry by Bo Zi mechanism, position of dropping is more accurate.Second bearing makes to relatively rotate more smooth and easy between tracheae axle and air cavity, is less likely to occur to rock, ensures that seed is dialled the accuracy of the position fallen.
Further, the inside of described air cavity is provided with shoulder hole, be respectively the first shoulder hole that internal diameter reduces successively, the second shoulder hole, the 3rd shoulder hole and four-step hole, the external diameter of described seed absorbing plate is greater than the external diameter of described second shoulder hole, described seed absorbing plate and described first shoulder hole are fitted, described organization establishes of holding one's breath is in described second shoulder hole, and described second bearing is arranged in described 3rd shoulder hole, and described four-step borehole jack is located at the outside of described tracheae axle.
Between traditional air cavity and seed absorbing plate, contact area is less, and easily produce gap leaking gas therebetween, cause the negative pressure in cavity to reduce, air entry is difficult to seed to adsorb securely, and seed easily drops phenomenons such as causing broadcast leakage; The inside of air cavity is made to form certain spatial level by shoulder hole, the entirety of air cavity can make the form of multidiameter, the external diameter in the first shoulder hole, the second shoulder hole, the 3rd shoulder hole and four-step hole reduces successively, the portion outboard that second shoulder hole and the 3rd shoulder hole contact arranges the projection being used for being connected with program request cylinder, form Dual-disk integrated formula air cavity, the edge of seed absorbing plate and the intimate surface of the first shoulder hole are fitted, fitting area increases, therebetween sealing effectiveness is better, and the adsorption effect of seed is better; Organization establishes will be held one's breath in the second shoulder hole, the normal work of miscellaneous part can not be had influence on; The internal diameter of the 3rd shoulder hole is relatively little, lower to the requirement of bearing, stability is better; Four-step hole is near the outside of tracheae axle, even if the second bearing damage, the rotation between air cavity and tracheae axle is still comparatively steady, is less likely to occur to rock.
Further, being provided with the oil sealing for sealing in described 3rd shoulder hole, fits with the outer wall of described tracheae axle and the inwall of described 3rd shoulder hole respectively in the inner side and outer side of described oil sealing.
Oil sealing can make cavity be in the state of opposing seal, prevents air from entering in cavity from the gap between tracheae axle and air cavity, and suction hole is stronger to the adsorption capacity of seed, and seed is more firm; And the cost of oil sealing is lower, sealing effectiveness is better.
Further, described oil sealing closer to described seed absorbing plate, described air cavity, forms described cavity between described seed absorbing plate and described oil sealing relative to described second bearing, described ventilation hole be four and all with described cavity connects.
Oil sealing is between clutch shaft bearing and the second bearing, and the distance between clutch shaft bearing and the second bearing increases relatively, and being rotationally connected between air cavity and tracheae axle and between seed absorbing plate and tracheae axle is more firm, is less likely to occur to rock.
Further, described seed absorbing plate is provided with at least three arc-shaped through-holes, described arc-shaped through-hole is near the edge of described seed absorbing plate and be positioned at the outside of described case, and by bolt presses between described seed absorbing plate and described air cavity, described bolt is through described arc-shaped through-hole.
Can wear bolt in arc-shaped through-hole, use bolt to be fixed between seed absorbing plate and air cavity, laminating is therebetween more tight, effectively reduces gap, guarantees the negative pressure in cavity, and the air cavity being particularly suitable for Dual-disk integrated formula uses; In addition, the position that seed absorbing plate falls seed must correspond to inoculation box a bit, therefore needing to control the time suitable in place falls seed, do not transfer seed absorbing plate due to tracheae axle to rotate with air cavity, cumbersome when therefore regulating, after setting up arcuate socket, rotate before normal operation seed absorbing plate make it be in position the most suitable and use bolt fix, regulate very convenient, increase work efficiency.
Further, the arranged outside of described air cavity has the fixed disk for being connected with program request cylinder, and described fixed disk is arranged along the radial direction of described air cavity.
Fixed disk is connected with program request cylinder, air cavity can being rotated under the effect of program request cylinder, fixed disk can being arranged the through hole for wearing bolt.
Compared with prior art, the beneficial effects of the utility model are: the negative pressure using the block of holding one's breath of mechanism of holding one's breath to be used in absorbed seed significantly reduces, the suction that seed is subject to reduces, only need less power seed can be dialled and drop down onto in inoculation box, both damage can not be caused to seed, also be not easy to occur the situations such as broadcast leakage, while ensureing seed integrity, reduce leakage sowing rate; And only have and just understand when adsorbing seed-bearing suction hole and arriving specific position block of being held one's breath and close, therefore, in seed absorbing plate rotation process, seed can not drop.
Accompanying drawing explanation
The vacuum-seed-taking seeding apparatus schematic diagram that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the A portion close-up schematic view of Fig. 1;
Fig. 3 is the air cavity front view of Fig. 1;
Fig. 4 is the B-B cutaway view 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; Ventilation hole 105; Fixed disk 106; Suction hole 107; Clutch shaft bearing 108; Second bearing 109; Get seed chamber 110; Put kind of chamber 111; Seed feed pipe 112; Fixed mount 113; To hold one's breath block 114; Slideway 115; Slide block 116; Back-moving spring 117; Seed recovery port 118; Cover plate 119; First shoulder hole 120; Second shoulder hole 121; 3rd shoulder hole 122; Four-step hole 123; Oil sealing 124; Arc-shaped through-hole 125.
Embodiment
Existing Bo Zi mechanism is divided into Ying Bo mechanism and Ruan Bo mechanism, and due to the existence of the negative pressure in cavity, larger to guarantee that seed is not easy to drop in seed absorbing plate rotation process to the absorption dynamics of seed, Ying Bo mechanism dynamics is comparatively large, is dialled by the seed being adsorbed on suction hole place by force, can cause certain damage to seed, thus affect germination rate etc., the dynamics of Ruan Bo mechanism is less, can not cause damage to seed, but there will be seed is not dialled the phenomenon falling to causing broadcast leakage.
Improve to make the problems referred to above, the utility model provides a kind of vacuum-seed-taking seeding apparatus, by setting up built-in mechanism of holding one's breath in air cavity, the suction hole turning to ad-hoc location block of being held one's breath is closed, the negative pressure that seed receives reduces, and the suction that therefore seed is subject to reduces, and can be dialled easily by Bo Zi mechanism, can not seed be damaged, also be not easy the situation occurring broadcast leakage.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The vacuum-seed-taking seeding apparatus schematic diagram that Fig. 1 provides for the utility model embodiment; Fig. 2 is the A portion close-up schematic view of Fig. 1; Fig. 3 is the air cavity front view of Fig. 1; Fig. 4 is the B-B cutaway view of Fig. 3; Fig. 5 is the seed absorbing plate front view of Fig. 1.As Figure 1-Figure 5, the utility model example 1 provides a kind of vacuum-seed-taking seeding apparatus, comprises tracheae axle 101, air cavity 102, seed absorbing plate 103, case 104 and mechanism of holding one's breath.
As shown in Figure 1, tracheae axle 101 is tubulose, and namely tracheae axle 101 is hollow structure, and one end of tracheae axle 101 is provided with multiple ventilation hole 105, and be preferably four, ventilation hole 105 runs through the sidewall of tracheae axle 101; The equipment such as blower fan run up generation suction, and the air that can be extracted in cavity by the ventilation hole 105 of tracheae axle 101 forms negative pressure, and blower fan can select mechanical type blower fan or electric fan etc.
Air cavity 102 is set in the outside of tracheae axle 101, is rotationally connected between the gentle tubular axis 101 of air cavity 102; Air cavity 102 can with Pivot Point Center line for turning cylinder rotates in the outside of tracheae axle 101, thus drive seed absorbing plate 103 to rotate, and tracheae axle 101, case 104 cannot rotate relative to fixing with mechanism of holding one's breath.The arranged outside of air cavity 102 has the fixed disk 106 for being connected with program request cylinder, and fixed disk 106 is arranged along the radial direction of air cavity 102; Fixed disk 106 is connected with program request cylinder, air cavity 102 can being rotated under the effect of program request cylinder, fixed disk 106 can being arranged the through hole for wearing bolt.
As shown in Figure 5, seed absorbing plate 103 is provided with suction hole 107, the edge of seed absorbing plate 103 and air cavity 102 are fitted fixing, and form cavity between seed absorbing plate 103 and air cavity 102, cavity is in the state of opposing seal, ventilation hole 105 and cavity connects; Only have suction hole 107 and the ft connection of seed absorbing plate 103, gas in cavity is extracted out by tracheae axle 101 and ventilation hole 105 by blower fans etc., cavity is in negative pressure state, and the atmospheric pressure of suction hole 107 both sides is different, and seed can be attracted on suction hole 107 cannot drop.
As shown in Figure 1, tracheae axle 101 runs through seed absorbing plate 103, be rotationally connected by clutch shaft bearing 108 between the inner side of seed absorbing plate 103 and tracheae axle 101, the outer ring of clutch shaft bearing 108 and inner ring respectively tubular axis 101 gentle to seed absorbing plate 103 are fixedly connected with, clutch shaft bearing 108 make between tracheae axle 101 and seed absorbing plate 103 relatively rotate more smooth and easy, between clutch shaft bearing 108 and tracheae axle 101, acting in conjunction between the gentle tubular axis 101 of air cavity 102, guarantee to be less likely to occur relatively to rock between the gentle tubular axis 101 of air cavity 102, maintain the positional stability of seed absorbing plate 103, seed absorbing plate 103 can only rotate around Pivot Point Center line, can enter smoothly when seed is dialled from air entry by Bo Zi mechanism in the inoculation box of specifying, position of dropping is more accurate.The inwall of tracheae axle 101 and air cavity 102 is rotationally connected by the second bearing 109, the inner ring of the second bearing 109 is fixedly connected with air cavity 102 with tracheae axle 101 respectively with outer ring, second bearing 109 make between tracheae axle 101 and air cavity 102 relatively rotate more smooth and easy, be less likely to occur to rock, ensure that seed is dialled the accuracy of the position fallen.
As shown in Figure 1, case 104 is fixedly connected with one end being provided with ventilation hole 105 of tracheae axle 101, case 104 is near seed absorbing plate 103, the side of the close tracheae axle 101 of case 104 is provided with gets seed chamber 110 and puts kind of chamber 111, get seed chamber 110 can be positioned at case 104 below, put the top that kind of chamber 111 is positioned at case 104, getting in seed chamber 110 of case 104 is placed with many seeds; Each suction hole 107 adsorbs a seed in time getting seed chamber 110, seed absorbing plate 103 rotation can make to adsorb seed-bearing suction hole 107 and arrive the position corresponding with putting kind of chamber 111, put in kind of chamber 111 and generally can be provided with inoculation He Jibozi mechanism, this Bo Zi mechanism can be Ying Bo mechanism or Ruan Bo mechanism, seed on suction hole 107 is dialled and is dropped down onto in inoculation box by Bo Zi mechanism, and the seed in inoculation box is discharged sowing in soil by duckbilled.The side away from tracheae axle 101 of case 104 is provided with seed feed pipe 112, seed feed pipe 112 with get seed chamber 110 and be communicated with; Seed feed pipe 112 can be got seed chamber 110 and provides passage for seed enters, and guarantees that being carved with seed when getting in seed chamber 110 draws for suction hole 107.
Bo Zi mechanism generally adopts Ying Bo mechanism or Ruan Bo mechanism, and due to the existence of the negative pressure in cavity, larger to guarantee that seed is not easy to drop in seed absorbing plate 103 rotation process to the absorption dynamics of seed, Ying Bo mechanism dynamics is comparatively large, is dialled by the seed being adsorbed on suction hole 107 place by force, can cause certain damage to seed, thus affect germination rate etc., the dynamics of Ruan Bo mechanism is less, can not cause damage to seed, but there will be seed is not dialled the phenomenon falling to causing broadcast leakage.As shown in Figure 1 and Figure 2, hold one's breath organization establishes in cavity, namely form built-in mechanism of holding one's breath, the normal work of all the other mechanisms can not be affected; Mechanism of holding one's breath comprises fixed mount 113 and the block 114 of holding one's breath for suction hole 107 being closed, block 114 of holding one's breath can have any shape, as cuboid, cylinder and other is irregularly shaped etc., one of them suction hole 107 can be closed by the block 114 that only needs to guarantee to hold one's breath completely; Fixed mount 113 is fixedly connected with the outer wall of tracheae axle 101, fixed mount 113 is fixed by the outer wall of tracheae axle 101, the two can not relatively rotate, block 114 of holding one's breath is arranged on fixed mount 113, block 114 of holding one's breath is fitted with the side away from case 104 of seed absorbing plate 103, block 114 of holding one's breath is corresponding with putting kind of chamber 111, and the position that correspondence herein refers to block 114 of holding one's breath is with to put kind of chamber 111 adjacent.
Air cavity 102 drives seed absorbing plate 103 to rotate, when suction hole 107 on seed absorbing plate 103 is closed by block 114 of holding one's breath, a part of negative pressure of the side of the close cavity of seed disappears, the pressure difference of seed both sides reduces, seed still can be firmly adsorbed on suction hole 107, now use Ruan Bo mechanism easily to be dialled by seed, damage can not be caused to seed.Certainly, after setting up mechanism of holding one's breath, use Ying Bo mechanism also can not damage seed, also can not re-use Bo Zi mechanism in addition and seed can be made to drop above the inoculation box of specifying.
The course of work of vacuum-seed-taking seeding apparatus: this device is fixed on power-equipment, tracheae axle 101 and case 104 are fixed cannot be movable, from seed feed pipe 112 seed put into and get seed chamber 110 to case 104, use blower fans etc. extract the gas in cavity by tracheae axle 101 and ventilation hole 105, make the both sides of suction hole 107 produce negative pressure, air cavity 102 can rotate around tracheae axle 101 and drive seed absorbing plate 103 to rotate, and when air entry is when getting seed chamber 110, negative pressure makes a wherein seed be attracted to air entry place cannot to drop, air cavity 102 and seed absorbing plate 103 are rotated further, hold one's breath mechanism and tracheae axle 101 is fixed, the hold one's breath position of block 114 is corresponding with putting kind of chamber 111, when the seed-bearing air entry of the absorption of seed absorbing plate 103 arrive hold one's breath block 114 place time, hold one's breath block 114 by one side closed away from seed of air entry, the effect that now seed is still subject to negative pressure cannot be dropped, but negative pressure amplitude reduces, the pressure that seed is subject to reduces, using Ruan Bo mechanism to stir seed gently can make seed fall in inoculation box, Ying Bo mechanism can certainly be used, Bo Zi mechanism can not cause damage to seed, the integrality of effective maintenance seed, improve germination rate, seed in inoculation box enters in duckbilled, duckbilled extend into below ground, when duckbilled is opened, seed has dropped sowing.As required, the suction hole 107 of varying number can be set on seed absorbing plate 103.
As the preferred version of this embodiment, as shown in Figure 2, one end near block 114 of holding one's breath of fixed mount 113 is provided with slideway 115, the hold one's breath side away from seed absorbing plate 103 of block 114 is provided with slide block 116, slide block 116 slides and is embedded in slideway 115, slide block 116 can slidably reciprocate in slideway 115, and the direction of slip is vertical with the surface of seed absorbing plate 103, thus regulates the position of block 114 of holding one's breath; The outside of slide block 116 is arranged with back-moving spring 117, and back-moving spring 117 is stage clip, and the two ends of back-moving spring 117 prop up slideway 115 and slide block 116 respectively.Back-moving spring 117 pressed slider 116, the block 114 that makes to hold one's breath fits tightly with seed absorbing plate 103 all the time, ensure the air-tightness of block 114 when being closed by suction hole 107 of holding one's breath, avoid because the wear and tear sealing effectiveness that causes of block 114 of holding one's breath is deteriorated, and, slide block 116 slides and can effectively prevent in installation process because the improper sealing caused in block 114 position of holding one's breath is poor or extruding seed absorbing plate 103 makes it damage in slideway 115, the block 114 that can make to hold one's breath fits tightly with seed absorbing plate 103 all the time, seed absorbing plate 103 can not be extruded again, hold one's breath the insufficient pressure of block 114 to make seed absorbing plate 103 deformed damaged, the moment is not needed to adjust the position of mechanism of holding one's breath, increase work efficiency.
As the preferred version of this embodiment, as shown in Figure 1, vacuum-seed-taking seeding apparatus may be used for the sowing of different seed, when sowing is complete or need to change seed, seed is needed to discharge completely from getting seed chamber 110, therefore need to arrange seed recovery port 118 in the bottom of seed feed pipe 112, and closed by cover plate 119, ensure that seed can not flow out from seed recovery port 118 when normal sowing; Existing cover plate 119 is generally the form of plate, and carry out needing to take off plate when seed reclaims and seed recovery port 118 is exposed, plate leaves about situations such as can causing loss, and swapping process is comparatively loaded down with trivial details, and operating efficiency is lower.One end and the seed feed pipe 112 of cover plate 119 are rotationally connected, the other end of cover plate 119 engages with seed feed pipe 112, the one end and the seed feed pipe 112 that are preferably the close case 104 of cover plate 119 are rotationally connected, one end away from case 104 of cover plate 119 engages with seed feed pipe 112, carry out directly the part of engaging being separated when seed reclaims, after recovery, the two is engaged, simple to operation, and, because cover plate 119 is connected with seed feed pipe 112 all the time, therefore, cover plate 119 can not be lost.
One end of the close air cavity 102 of seed feed pipe 112 is bend pipe, when cover plate 119 is opened, seed can fall along cover plate 119, and the one end due to seed feed pipe 112 is bend pipe, cover plate 119 also can be bending, when cover plate 119 is opened, the angle between cover plate 119 and seed feed pipe 112 is comparatively large, facilitates seed to flow out; Cover plate 119 is chute type in addition, and chute refers to that the cross section of cover plate 119 is the molded non-planar such as arc, " U " shape, and seed can be drawn close to the intermediate recess place of cover plate 119 and fall, and seed can not be scattered everywhere when cover plate 119 falls, is convenient to the collection of seed.
Between traditional air cavity 102 and seed absorbing plate 103, contact area is less, and easily produce gap leaking gas therebetween, cause the negative pressure in cavity to reduce, air entry is difficult to seed to adsorb securely, and seed easily drops phenomenons such as causing broadcast leakage; Therefore, as shown in Figure 3, Figure 4, as the preferred version of this embodiment, the inside of air cavity 102 is provided with shoulder hole, be respectively the first shoulder hole 120, second shoulder hole 121 that internal diameter reduces successively, the 3rd shoulder hole 122 and four-step hole 123, the inside of air cavity 102 is made to form certain spatial level by shoulder hole, the entirety of air cavity 102 can make the form of multidiameter, and the external diameter in the first shoulder hole 120, second shoulder hole 121, the 3rd shoulder hole 122 and four-step hole 123 reduces successively.The external diameter of seed absorbing plate 103 is greater than the external diameter of the second shoulder hole 121, seed absorbing plate 103 is embedded in the first shoulder hole 120, seed absorbing plate 103 and the first shoulder hole 120 are fitted, the portion outboard that second shoulder hole 121 and the 3rd shoulder hole 122 contact arranges the projection being used for being connected with program request cylinder, form Dual-disk integrated formula air cavity 102, the edge of seed absorbing plate 103 and the intimate surface of the first shoulder hole 120 are fitted, and fitting area increases, therebetween sealing effectiveness is better, and the adsorption effect of seed is better.Hold one's breath organization establishes in the second shoulder hole 121, organization establishes will be held one's breath in the second shoulder hole 121, the normal work of miscellaneous part can not be had influence on.Second bearing 109 is arranged in the 3rd shoulder hole 122, and the internal diameter of the 3rd shoulder hole 122 is relatively little, lower to the requirement of bearing, stability is better; Be provided with in 3rd shoulder hole 122 for the oil sealing 124 by cavities seals, fit with the outer wall of tracheae axle 101 and the inwall of the 3rd shoulder hole 122 respectively in the inner side and outer side of oil sealing 124, oil sealing 124 can make cavity be in the state of opposing seal, prevent air from entering in cavity from the gap between tracheae axle 101 and air cavity 102, the adsorption capacity of suction hole 107 pairs of seeds is stronger, and seed is more firm; And the cost of oil sealing 124 is lower, sealing effectiveness is better; Oil sealing 124 relative to the second bearing 109 closer to seed absorbing plate 103, air cavity 102, between seed absorbing plate 103 and oil sealing 124, form cavity, oil sealing 124 is between clutch shaft bearing 108 and the second bearing 109, distance between clutch shaft bearing 108 and the second bearing 109 increases relatively, being rotationally connected between air cavity 102 and tracheae axle 101 and between seed absorbing plate 103 and tracheae axle 101 is more firm, is less likely to occur to rock.Four-step hole 123 is set in the outside of tracheae axle 101, and four-step hole 123 is near the outside of tracheae axle 101, even if the second bearing 109 damages, the rotation between air cavity 102 and tracheae axle 101 is still comparatively steady, is less likely to occur to rock.
As the preferred version of this embodiment, as shown in Figure 5, seed absorbing plate 103 is provided with four arc-shaped through-holes 125, arc-shaped through-hole 125 is near the edge of seed absorbing plate 103 and be positioned at the outside of case 104, by bolt presses between seed absorbing plate 103 and air cavity 102, bolt is through arc-shaped through-hole 125.
Can wear bolt in arc-shaped through-hole 125, use bolt to be fixed between seed absorbing plate 103 and air cavity 102, laminating is therebetween more tight, and effectively reduce gap, guarantee the negative pressure in cavity, the air cavity 102 being particularly suitable for Dual-disk integrated formula uses; In addition, the position that seed absorbing plate 103 falls seed must correspond to inoculation box a bit, therefore needing to control the time suitable in place falls seed, do not transfer seed absorbing plate 103 due to tracheae axle 101 to rotate, cumbersome when therefore regulating, after setting up arcuate socket, rotate before normal operation seed absorbing plate 103 make it be in position the most suitable and use bolt fix, regulate very convenient, increase work efficiency.
The negative pressure using the block 114 of holding one's breath of mechanism of holding one's breath to be used in absorbed seed significantly reduces, the suction that seed is subject to reduces, only need less power seed can be dialled and drop down onto in inoculation box, both damage can not be caused to seed, also be not easy to occur the situations such as broadcast leakage, while ensureing seed integrity, reduce leakage sowing rate; And only have and just understand when adsorbing seed-bearing suction hole 107 and arriving specific position block 114 of being held one's breath and close, therefore, in seed absorbing plate 103 rotation process, seed can not drop.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a vacuum-seed-taking seeding apparatus, is characterized in that, comprising:
Tracheae axle, described tracheae axle is tubulose, and one end of described tracheae axle is provided with at least one ventilation hole, and described ventilation hole runs through the sidewall of described tracheae axle;
Air cavity, described air cavity is set in the outside of described tracheae axle, is rotationally connected between described air cavity and described tracheae axle;
Seed absorbing plate, described seed absorbing plate is provided with suction hole, and the edge of described seed absorbing plate and described air cavity are fitted fixing, form cavity, described ventilation hole and described cavity connects between described seed absorbing plate and described air cavity;
Case, described case is fixedly connected with one end being provided with described ventilation hole of described tracheae axle, the side of the close described tracheae axle of described case is provided with gets seed chamber and puts kind of a chamber, the side away from described tracheae axle of described case is provided with seed feed pipe, and described seed feed pipe is communicated with described seed chamber of getting;
To hold one's breath mechanism, described organization establishes of holding one's breath is in described cavity, described mechanism of holding one's breath comprises fixed mount and the block of holding one's breath for being closed by described suction hole, described fixed mount is fixedly connected with the outer wall of described tracheae axle, described block of holding one's breath is arranged on described fixed mount, fit in the side away from described case of described hold one's breath block and described seed absorbing plate, described in block of holding one's breath corresponding with described kind of chamber of putting.
2. vacuum-seed-taking seeding apparatus according to claim 1, it is characterized in that, described fixed mount near described in hold one's breath one end of block be provided with slideway, the side away from described seed absorbing plate of described block of holding one's breath is provided with slide block, described skid is embedded in described slideway, the outside of described slide block is arranged with back-moving spring, and described back-moving spring is stage clip, and the two ends of described back-moving spring prop up described slideway and slide block respectively.
3. vacuum-seed-taking seeding apparatus according to claim 1, it is characterized in that, the bottom of described seed feed pipe is provided with seed recovery port, described seed recovery port passes through cover closure, one end and the described seed feed pipe of described cover plate are rotationally connected, and the other end of described cover plate engages with described seed feed pipe.
4. vacuum-seed-taking seeding apparatus according to claim 3, it is characterized in that, one end and the described seed feed pipe of the close described case of described cover plate are rotationally connected, one end away from described case of described cover plate engages with described seed feed pipe, one end of the close described air cavity of described seed feed pipe is bend pipe, and described cover plate is chute type.
5. the vacuum-seed-taking seeding apparatus according to claim 1-4 any one, it is characterized in that, described tracheae axle runs through described seed absorbing plate, be rotationally connected by clutch shaft bearing between the inner side of described seed absorbing plate and described tracheae axle, the inwall of described tracheae axle and described air cavity is rotationally connected by the second bearing.
6. vacuum-seed-taking seeding apparatus according to claim 5, it is characterized in that, the inside of described air cavity is provided with shoulder hole, be respectively the first shoulder hole that internal diameter reduces successively, the second shoulder hole, the 3rd shoulder hole and four-step hole, the external diameter of described seed absorbing plate is greater than the external diameter of described second shoulder hole, described seed absorbing plate and described first shoulder hole are fitted, described organization establishes of holding one's breath is in described second shoulder hole, described second bearing is arranged in described 3rd shoulder hole, and described four-step borehole jack is located at the outside of described tracheae axle.
7. vacuum-seed-taking seeding apparatus according to claim 6, is characterized in that, is provided with the oil sealing for sealing in described 3rd shoulder hole, fits with the outer wall of described tracheae axle and the inwall of described 3rd shoulder hole respectively in the inner side and outer side of described oil sealing.
8. vacuum-seed-taking seeding apparatus according to claim 7, it is characterized in that, described oil sealing closer to described seed absorbing plate, described air cavity, forms described cavity between described seed absorbing plate and described oil sealing relative to described second bearing, described ventilation hole be four and all with described cavity connects.
9. the vacuum-seed-taking seeding apparatus according to claim 1-4 any one, it is characterized in that, described seed absorbing plate is provided with at least three arc-shaped through-holes, described arc-shaped through-hole is near the edge of described seed absorbing plate and be positioned at the outside of described case, by bolt presses between described seed absorbing plate and described air cavity, described bolt is through described arc-shaped through-hole.
10. the vacuum-seed-taking seeding apparatus according to claim 1-4 any one, is characterized in that, the arranged outside of described air cavity has the fixed disk for being connected with program request cylinder, and described fixed disk is arranged along the radial direction of described air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093259.5U CN204466219U (en) | 2015-02-10 | 2015-02-10 | Vacuum-seed-taking seeding apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093259.5U CN204466219U (en) | 2015-02-10 | 2015-02-10 | Vacuum-seed-taking seeding apparatus |
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| CN204466219U true CN204466219U (en) | 2015-07-15 |
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| CN201520093259.5U Withdrawn - After Issue CN204466219U (en) | 2015-02-10 | 2015-02-10 | Vacuum-seed-taking seeding apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584741A (en) * | 2015-02-10 | 2015-05-06 | 王飞 | Vacuum seed picking and sowing device |
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2015
- 2015-02-10 CN CN201520093259.5U patent/CN204466219U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584741A (en) * | 2015-02-10 | 2015-05-06 | 王飞 | Vacuum seed picking and sowing device |
| CN104584741B (en) * | 2015-02-10 | 2017-05-24 | 王飞 | Vacuum seed picking and sowing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20170524 |