CN208353883U - A kind of pneumatic transmission formula high speed seed of maize - Google Patents
A kind of pneumatic transmission formula high speed seed of maize Download PDFInfo
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- CN208353883U CN208353883U CN201821006750.XU CN201821006750U CN208353883U CN 208353883 U CN208353883 U CN 208353883U CN 201821006750 U CN201821006750 U CN 201821006750U CN 208353883 U CN208353883 U CN 208353883U
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- procapsid
- side wall
- seed
- type hole
- plate
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Abstract
The utility model relates to a kind of pneumatic transmission formula high speed seed of maize, including back casing, discharge plate, type hole plug-in unit, axis, stir kind of wheel and a procapsid;The procapsid includes seed input pipe, demarcation plate, seeds protecting plate, planting mouth and center column.The utility model carries out filling kind by the way of pneumatic transmission, and it is bad to solve the problems, such as that script population causes to fill kind of performance in feed mechanism for seed building up inside;Using air-flow and the possibility that further reduced population and accumulate is stirred by the way of kind of wheel stirs kind, provides prerequisite to improve feed mechanism for seed revolving speed;It is suitable for the corn seed of different cultivars shape by the way of replaceable type hole plug-in unit, ensure that the applicability of feed mechanism for seed;The seeds protecting plate of Trapezoidal varied angle is devised to realize the function of shield kind with clear kind;The utility model is compact-sized, and the function of high speed Precision Seeding may be implemented, greatly reduce input of labor, improve efficiency, ensure that the quality of corn.
Description
Technical field
The utility model relates to a kind of pneumatic transmission formula high speed seed of maize, belong to agricultural machinery technological field.
Background technique
Corn mechanization precision drilling can save artificial thinning, save seed, realize volume increase abridged edition, therefore in recent years
Through becoming the development trend of corn seeding.And performance is stable, the feed mechanism for seed of adaptation high-speed job becomes realization corn machinery
Change the key of precision drilling.
Currently, high speed sowing uses mostly for Pneumatic seeding apparatus, main reason is that its to shape of the seed requirement not
Height, damage ratio is small, structure is simple.But the adaptability of non-similar round seed this to corn is poor, is mainly manifested in seed-filling process
In it is more demanding to negative regulation, kind layer height and seeding disk rotating speed, therefore fill that kind of performance is bad to lead to its actual job mistake
Leakage sowing rate is higher in journey, and especially when edge of a field rotation speed of fan is inadequate, air pressure is insufficient, broadcast leakage is serious.It will kind by the way of pneumatic transmission
The quantitative feeding feed mechanism for seed of son air-flow, at the same air-flow and stir discharge plate to population disturb, can efficiently solve and fill kind of a performance
Bad problem, ensure that operation quality.
Summary of the invention
It is good to corn seed shape adaptability the purpose of the utility model is to provide a kind of pneumatic transmission formula high speed seed of maize
And the mode for using pneumatic transmission and air-flow and stirring disturbance population to be to solve the problems, such as that it is poor that current feed mechanism for seed fills kind of performance, raising
It ensure that operation quality while operating speed.
To achieve the goals above, the utility model provides following technical solution:
The utility model provides a kind of pneumatic transmission formula high speed seed of maize, including back casing 1, discharge plate 2, axis 4 and front housing
Body 6;The back casing 1 is fixedly connected with each other with procapsid 6, constitutes seeder unit shell;The back casing 1 is disc, back casing 1
Inner surface has the accommodation space for accommodating discharge plate 2, and the center point of back casing 1 is equipped with bearing mounting hole 8;The discharge plate 2 is in
Circle, has certain thickness, and the center point of discharge plate 2 is equipped with axis hole corresponding with the bearing mounting hole 8 of back casing 1;It is described
One end of axis 4 is equipped with fixed plate 13, and the other end is equipped with the sprocket wheel fixation hole 14 for connecting with drive sprocket;The axis 4 passes through
Fixed plate 13 is fixed in the center point of discharge plate 2, and the other end sequentially passes through the axis hole of discharge plate 2 and is equipped with the back casing of bearing
1 bearing mounting hole 8 is protruding;The feed mechanism for seed further comprises type hole plug-in unit 3 and stirs kind wheel 5.
The procapsid 6 includes seed input pipe 16, demarcation plate 17, seeds protecting plate 18, planting mouth 19 and center column 25.
The center column 25 is arranged at the center of procapsid 6, and collectively forms a ring with the internal side wall of procapsid 6
Shape cavity.
The seeds protecting plate 18 is fixed in the private side that on the internal side wall rear of procapsid 6, length is procapsid 6 for one
The head end of 3/4ths arc-shaped plate body of wall rear circumference, seeds protecting plate 18 is located on the horizontal axis of procapsid 6, end position
In on the vertical axis of procapsid 6, the top of the internal side wall rear of procapsid 6 and a side lower part are surrounded, it is not besieged
The internal side wall of 6 lower part of procapsid corresponding to part is equipped with planting mouth 19.
The seeds protecting plate 18 successively has the first arc section 26 and the second arc section 27 from head end to end, wherein described
The length of second arc section 27 is a quarter of the internal side wall rear circumference of procapsid 6;First arc section 26 and
The leading edge of two arc sections 27 has a rake to center of circle bending.
When the internal side wall on rear side of 6 lower left quarter of procapsid is arranged in the planting mouth 19,16 water of seed input pipe
Side wall of the level land from front side of 6 lower left quarter of procapsid is collectively formed described in being passed through by center column 25 and the internal side wall of procapsid 6
Ring-shaped cavity;When the internal side wall on rear side of 6 right lower quadrant of procapsid is arranged in the planting mouth 19, the seed input pipe 16
Horizontally the side wall from front side of 6 right lower quadrant of procapsid is passed through the common structure of internal side wall by center column 25 and procapsid 6
At ring-shaped cavity.
Demarcation plate 17 is disposed between the planting mouth 19 and seed input pipe 16, demarcation plate 17 is obliquely fixed in described fall
Between the internal side wall and center column 25 of kind 19 place procapsid 6 of mouth, by the inside by center column 25 and procapsid 6
The ring-shaped cavity that side wall collectively forms is divided into seeding area and fall-sowing area.
The front surface edge of the discharge plate 2 has a chamfering;The front surface edge of the discharge plate 2, along seeding
The circumference of disk 2 is removably uniformly provided with four type hole plug-in units 3.
The front end face of the type hole plug-in unit 3 is equipped with the first side wall 20, second sidewall 21 and inner sidewall 22;The first side wall
20 and second sidewall 21 protruded towards the front of type hole plug-in unit 3, the inner sidewall 22 connects the first side wall 20 and second side
Wall 21.
The type hole plug-in unit 3 is mounted on discharge plate 2, and with discharge plate 2 from the first side wall 20 to the side of second sidewall 21
To rotation;During rotation, the edge of the circumferential outer edge of the first side wall 20 and second sidewall 21 towards discharge plate 2 close to
The rake of first arc section 26 and the second arc section 27.
The front end face of the first side wall 20 of the type hole plug-in unit 3, second sidewall 21 and inner sidewall 22 collectively forms an opening
It is used to accommodate the type hole 23 of a corn seed towards the circumferential outer edge of discharge plate 2, the front end face of the inner sidewall 22 constitutes institute
State the type hole bottom surface 28 of type hole 23, the type hole bottom surface 28 is from inclined tiltedly to the circumferential outer edge of discharge plate 2 inside discharge plate 2
Face.
The axis 4 is with dynamic metering plate 2 along sequence by the first arc section 26 of seeds protecting plate 18 and the side of the second arc section 27
To rotation.
The front surface stirred kind of wheel 5 and be fixed in discharge plate 2, stirs kind of wheel 5 and arranges with 2 concentric of discharge plate;Stir 5 packet of kind of wheel
It includes a cyclic annular wheel body and what four groups were fixed in the wheel external surface stirs kind of a tooth, every group is stirred kind of a tooth and respectively correspond a type hole plug-in unit
3, it includes first stirring kind of tooth 15 and second and stirring kind of tooth 24 that every group, which is stirred kind of tooth, and first, which stirs kind of tooth 15 and second, stirs kind of tooth 24 and constitute one and stir
Kind space, a type hole plug-in unit 3 is accommodated therebetween.
The top edge of the demarcation plate 17 stirs kind the front end face for stirring kind of tooth of wheel 5 close to turning to described in its rear.
The inclination angle of the rake of first arc section 26 is 30 °, and the inclination angle of the rake of second arc section 27 is
45 °, and the width of the rake of the second arc section 27 is less than the width of the rake of the first arc section 26.
The demarcation plate 17 has 30 ° of inclination angle with vertical direction.
Spiral shape seed guiding groove corresponding with seed input pipe 16 is provided on the inner surface of the procapsid 6.
20 leading edge of the first side wall protrudes from the leading edge of second sidewall 21 and inner sidewall 22, and kind of a protrusion is stirred in formation.
The type hole bottom surface 28 of the type hole 23 is identical as the tilt angle of chamfering on discharge plate 2.
The cyclic annular wheel body for stirring kind wheel 5 is concentric with center column 25 and radius is equal;Described first stirs kind of tooth 15 and
Two stir kind of tooth 24 end it is concordant with the chamfering inward flange on discharge plate 2.
The front surface edge of the discharge plate 2 along discharge plate 2 even circumferential set there are four type hole card slots 10, four
The side wall of the same side of a type hole card slots 10 is equipped with groove 11;The type hole plug-in unit 3 is equipped with opposite with the groove 11
The boss 12 answered, type hole plug-in unit 3 are removably mounted on discharge plate 2 by boss 12 and the mutual cooperation of groove 11.
Described first, which stirs kind of tooth 15 and second, stirs the inner wall for stirring kind of space of the composition of kind of tooth 24 using arcuate structure.
It the top edge of the demarcation plate 17 and turns to the described of its rear and stirs the stirring between the front end face of kind of tooth of kind of wheel 5
Distance is 1mm.
Compared with prior art, the utility model has the beneficial effects that:
1, the utility model carries out filling kind by the way of pneumatic transmission, solves script population and makes in feed mechanism for seed building up inside
At filling the bad problem of kind of performance.
2, the utility model using air-flow and stirs by the way of kind of wheel stirs kind the possibility that further reduced population and accumulate, to mention
High feed mechanism for seed revolving speed provides prerequisite.
3, the utility model is suitable for the corn seed of different cultivars shape by the way of replaceable type hole plug-in unit, guarantees
The applicability of feed mechanism for seed.
4, the utility model devises the seeds protecting plate of Trapezoidal varied angle to realize the function of shield kind with clear kind, structure letter
It is single, convenient and practical.
Detailed description of the invention
Fig. 1 is the structural decomposition diagram of the utility model pneumatic transmission formula high speed seed of maize;
Fig. 2 a is the main view view in full section of the utility model pneumatic transmission formula high speed seed of maize;
Fig. 2 b is the left view view in full section of the utility model pneumatic transmission formula high speed seed of maize;
The installation diagram of Fig. 2 c back casing 1 and procapsid 6;
Fig. 3 is the structural schematic diagram of back casing 1;
Fig. 4 a is the rearview of procapsid 6;
Fig. 4 b is the structural schematic diagram of procapsid 6;
Fig. 5 is the structural schematic diagram of seeds protecting plate 18;
Fig. 6 is the structural schematic diagram of discharge plate 2;
Fig. 7 is the structural schematic diagram of type hole plug-in unit 3;
Fig. 8 is the structural schematic diagram of axis 4;
Fig. 9 a is to stir kind of a structural schematic diagram for wheel 5;
Fig. 9 b is to stir kind of an assembly state diagram for wheel 5 and discharge plate 2 and type hole plug-in unit 3;
Figure 10 is the mated condition figure of seeds protecting plate 18 and discharge plate 2 and type hole plug-in unit 3.
Appended drawing reference therein are as follows:
1 back casing, 2 discharge plate
3 type hole plug-in unit, 4 axis
5 stir kind of 6 procapsids of wheel
7 fixing bolt, 8 bearing mounting hole
9 rack engaging lug, 10 type hole card slots
11 groove, 12 boss
13 fixed plate, 14 sprocket wheel fixation hole
15 first stir 16 seed input pipe of kind of tooth
17 demarcation plate, 18 seeds protecting plate
19 planting mouth, 20 the first side wall
21 second sidewall, 22 inner sidewall
23 type holes 24 second stir kind of a tooth
25 center column, 26 first arc section
27 second arc section, 28 type hole bottom surface
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Shown in a and Fig. 2 b as shown in Figure 1, Figure 2, a kind of pneumatic transmission formula high speed seed of maize, including back casing 1, discharge plate 2, type
Hole plug-in unit 3, axis 4 stir kind of wheel 5 and a procapsid 6.
As shown in Figure 2 c, the back casing 1 is fixedly connected with each other by fixing bolt 7 with procapsid 6, constitutes seeder unit shell.
As shown in figure 3, the back casing 1 is disc, outer rim has been arranged symmetrically a pair of frame engaging lug 9;Back casing 1
The center point be equipped with bearing mounting hole 8;The inner surface of back casing 1 has the accommodation space for accommodating discharge plate 2.
As shown in figures 4 a and 4b, the procapsid 6 includes seed input pipe 16, demarcation plate 17, seeds protecting plate 18,19 and of planting mouth
Center column 25.
The center column 25 is arranged at the center of procapsid 6, and collectively forms a ring with the internal side wall of procapsid 6
Shape cavity.
As shown in figure 5, it is front housing that the seeds protecting plate 18, which is fixed on the internal side wall rear of procapsid 6, length for one,
3/4ths arc-shaped plate body of the internal side wall rear circumference of body 6, the head end of seeds protecting plate 18 are located at the trunnion axis of procapsid 6
On line, end is located on the vertical axis of procapsid 6, and the top of the internal side wall rear of procapsid 6 and a side lower part are surrounded,
The internal side wall of 6 lower part of procapsid corresponding to not besieged part is equipped with planting mouth 19.
The seeds protecting plate 18 successively has the first arc section 26 and the second arc section 27 from head end to end, wherein described
The length of second arc section 27 is a quarter of the internal side wall rear circumference of procapsid 6.First arc section 26 and
The leading edge of two arc sections 27 has a rake to center of circle bending, and the inclination angle of the rake of first arc section 26 is
30 °, the inclination angle of the rake of second arc section 27 is 45 °, and the width of the rake of the second arc section 27 is less than first
The width of the rake of arc section 26.
When the internal side wall on rear side of 6 lower left quarter of procapsid is arranged in the planting mouth 19,16 water of seed input pipe
Side wall of the level land from front side of 6 lower left quarter of procapsid is collectively formed described in being passed through by center column 25 and the internal side wall of procapsid 6
Ring-shaped cavity;When the internal side wall on rear side of 6 right lower quadrant of procapsid is arranged in the planting mouth 19, the seed input pipe 16
Horizontally the side wall from front side of 6 right lower quadrant of procapsid is passed through the common structure of internal side wall by center column 25 and procapsid 6
At ring-shaped cavity.
Demarcation plate 17 is disposed between the planting mouth 19 and seed input pipe 16, demarcation plate 17 is obliquely fixed in described fall
Between the internal side wall and center column 25 of kind 19 place procapsid 6 of mouth, by the inside by center column 25 and procapsid 6
The ring-shaped cavity that side wall collectively forms is divided into seeding area and fall-sowing area.Wherein, the region where planting mouth 19 is fall-sowing area.
Preferably, the demarcation plate 17 has 30 ° of inclination angle with vertical direction.
Preferably, it is provided with spiral shape seed guiding groove corresponding with seed input pipe 16 on the inner surface of the procapsid 6, so that
Corn seed successfully enters the seeding area of ring-shaped cavity from seed input pipe 16.
As shown in fig. 6, the discharge plate 2 is rounded, there is certain thickness, and its front surface edge is with one 35 °
Chamfering.The center point of the discharge plate 2 is equipped with axis hole corresponding with the bearing mounting hole 8 of back casing 1.The discharge plate 2
Front surface edge is removably uniformly provided with four type hole plug-in units 3 along the circumference of discharge plate 2.
As shown in fig. 7, the front end face of the type hole plug-in unit 3 is equipped with the first side wall 20, second sidewall 21 and inner sidewall 22;Institute
It states the first side wall 20 and second sidewall 21 to protrude towards the front of type hole plug-in unit 3, the inner sidewall 22 connects the first side wall
20 and second sidewall 21.
The type hole plug-in unit 3 is mounted on discharge plate 2, and with discharge plate 2 from the first side wall 20 to the side of second sidewall 21
To rotation.During rotation, the edge of the circumferential outer edge of the first side wall 20 and second sidewall 21 towards discharge plate 2 close to
The rake of first arc section 26 and the second arc section 27.
The front end face of the first side wall 20 of the type hole plug-in unit 3, second sidewall 21 and inner sidewall 22 collectively forms an opening
It is used to accommodate the type hole 23 of a corn seed towards the circumferential outer edge of discharge plate 2, the front end face of the inner sidewall 22 constitutes institute
State the type hole bottom surface 28 of type hole 23, the type hole bottom surface 28 is from inclined tiltedly to the circumferential outer edge of discharge plate 2 inside discharge plate 2
Face.
20 leading edge of the first side wall protrudes from the leading edge of second sidewall 21 and inner sidewall 22, and kind of a protrusion is stirred in formation,
The effect for stirring kind can be functioned well as, seed mobility is improved.
The type hole bottom surface 28 of the type hole 23 is identical as the tilt angle of chamfering on discharge plate 2.
Preferably, the front surface edge of the discharge plate 2 along discharge plate 2 even circumferential set there are four type hole plug-in unit
The side wall of slot 10, the same side of four type hole card slots 10 is equipped with groove 11;The type hole plug-in unit 3 is equipped with and the groove
11 corresponding boss 12, type hole plug-in unit 3 are removably mounted on discharge plate 2 by boss 12 and the mutual cooperation of groove 11,
So that four type hole plug-in units 3 with discharge plate 2 from the first side wall 20 to the direction of second sidewall 21 rotate.
As shown in figure 8, one end of the axis 4 is equipped with fixed plate 13, the other end is equipped with the chain for connecting with drive sprocket
Take turns fixation hole 14.The axis 4 is fixed in the center point of discharge plate 2 by fixed plate 13, and the other end sequentially passes through the axis of discharge plate 2
The bearing mounting hole 8 of hole and the back casing 1 for being equipped with bearing is protruding.The axis 4 is with dynamic metering plate 2 along sequence by shield kind
The direction rotation of the first arc section 26 and the second arc section 27 of plate 18.
As shown in figures 9 a and 9b, the front surface stirred kind of wheel 5 and be fixed in discharge plate 2, it is same with discharge plate 2 to stir kind of wheel 5
Center of circle arrangement.Stirring kind of wheel 5 includes kind of the tooth that stirs that a cyclic annular wheel body and four groups are fixed in the wheel external surface, and every group is stirred kind of tooth and divided
Not Dui Ying a type hole plug-in unit 3, it includes first stirring kind of tooth 15 and second and stirring kind of tooth 24 that every group, which is stirred kind of tooth, and first stirs kind of tooth 15 and the
Two, which stir the composition of kind of tooth 24 one, stirs kind of a space, and a type hole plug-in unit 3 is accommodated therebetween, is conducive to improve seed near type hole 23
Mobility.
The cyclic annular wheel body for stirring kind wheel 5 is concentric with center column 25 and radius is equal.
Described first stir kind of tooth 15 and second stir kind of tooth 24 end it is concordant with the chamfering inward flange on discharge plate 2.
The discharge plate 2 is toughness material, so as to the installation and replacement of type hole plug-in unit 3.
Preferably, it described first stirs kind of tooth 15 and second and stirs the inner wall for stirring kind of space of the composition of kind of tooth 24 using arc knot
Structure can cause to damage to avoid in the case where high-speed rotation to corn seed in this way.
The top edge of the demarcation plate 17 stirs kind the front end face for stirring kind of tooth of wheel 5 close to turning to described in its rear.It is excellent
Selection of land, the top edge of the demarcation plate 17 and turn to its rear it is described stir between kind of the front end face for stirring kind of tooth of wheel 5 away from
From for 1mm.
The mated condition of the seeds protecting plate 18 and discharge plate 2 and type hole plug-in unit 3 is as shown in Figure 10.Due to the first arc section 26
With the rake of the second arc section 27 and the first side wall 20 of type hole plug-in unit 3 and second sidewall 21 towards outside the circumference of discharge plate 2
The edge of edge is close to cooperation, and the second arc section 27, relative to the first arc section 26, the inclination angle of rake becomes larger, width becomes
Narrow, when discharge plate 2 rotates, the second arc section 27 removes the extra corn seed in the type hole 23 of type hole plug-in unit 3, guarantees simple grain
Rate.
The course of work of the utility model is as follows:
The rotation band dynamic metering plate 2 of axis 4 rotates, the rotation of discharge plate 2 drive four type hole plug-in units 3 being attached thereto and
5 rotation of kind of wheel is stirred, seed enters from seed input pipe 16 with air-flow, is filled with the type hole plug-in unit 3 for turning to lower end.Type hole plug-in unit 3 with
And under the clamping action of seeds protecting plate 18, the seed for being filled with type hole plug-in unit 3 is rotated with it, when turning to 2 surface of feed mechanism for seed, by
In the circumference towards discharge plate 2 of the first arc section 26 of seeds protecting plate 18 and the rake of the second arc section 27 and type hole plug-in unit 3
The opening of outer rim is bonded, and the second arc section 27, relative to the first arc section 26, the inclination angle of rake becomes larger, width narrows,
It is only capable of accommodating single seed in type hole plug-in unit 3 at this time, extra seed is under the action of the holding power of seeds protecting plate 18 and air-flow
It does centrifugal movement and is detached from type hole plug-in unit 3, be thrown to 6 inner wall of procapsid and slide go back to feed mechanism for seed bottom along demarcation plate 17, stirring
Kind wheel 5 and airflow function under converges with the seed for having just enter into feed mechanism for seed 2, carry out again fill kind.
The single seed left in type hole plug-in unit 3 continues to rotate with type hole plug-in unit 3, until the second circular arc of seeds protecting plate 18
Section 27.Without the package of seeds protecting plate 18, seed has lacked holding power, and type hole plug-in unit 3 is detached under self gravitation effect, along
Feed mechanism for seed is discharged in planting mouth 19, completes entire seeding process.
Specific embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.
Claims (10)
1. a kind of pneumatic transmission formula high speed seed of maize, including back casing (1), discharge plate (2), axis (4) and procapsid (6);It is described
Back casing (1) is fixedly connected with each other with procapsid (6), constitutes seeder unit shell;The back casing (1) is disc, back casing (1)
Inner surface has the accommodation space for accommodating discharge plate (2), and the center point of back casing (1) is equipped with bearing mounting hole (8);The seeding
Disk (2) is rounded, has certain thickness, and the center point of discharge plate (2) is equipped with opposite with the bearing mounting hole (8) of back casing (1)
The axis hole answered;One end of the axis (4) is equipped with fixed plate (13), and the sprocket wheel that the other end is equipped with for connecting with drive sprocket is fixed
Hole (14);The axis (4) is fixed in the center point of discharge plate (2) by fixed plate (13), and the other end sequentially passes through discharge plate (2)
Axis hole and the back casing (1) that is equipped with bearing bearing mounting hole (8) it is protruding;It is characterized by:
The feed mechanism for seed further comprises type hole plug-in unit (3) and stirs kind wheel (5);
The procapsid (6) includes seed input pipe (16), demarcation plate (17), seeds protecting plate (18), planting mouth (19) and center column
(25);
Center column (25) setting collectively forms one at the center of procapsid (6), and with the internal side wall of procapsid (6)
Ring-shaped cavity;
The seeds protecting plate (18) is inside on an internal side wall rear for being fixed in procapsid (6), length is procapsid (6)
The head end of 3/4ths arc-shaped plate body of side wall rear circumference, seeds protecting plate (18) is located on the horizontal axis of procapsid (6),
End is located on the vertical axis of procapsid (6), and the top of the internal side wall rear of procapsid (6) and a side lower part are surrounded,
The internal side wall of procapsid (6) lower part corresponding to not besieged part is equipped with planting mouth (19);
The seeds protecting plate (18) successively has the first arc section (26) and the second arc section (27) from head end to end, wherein institute
The length of the second arc section (27) is stated as a quarter of the internal side wall rear circumference of procapsid (6);First arc section
(26) and the leading edge of the second arc section (27) has a rake to center of circle bending;
When the internal side wall that the planting mouth (19) is arranged on rear side of the procapsid (6) lower left quarter, the seed input pipe (16)
Horizontally the side wall from front side of procapsid (6) lower left quarter is passed through the internal side wall by center column (25) and procapsid (6)
The ring-shaped cavity collectively formed;When the internal side wall that the planting mouth (19) is arranged on rear side of the procapsid (6) right lower quadrant,
Side wall of the seed input pipe (16) horizontally from front side of procapsid (6) right lower quadrant is passed through described by center column (25) and procapsid
(6) ring-shaped cavity that internal side wall collectively forms;
It is disposed with demarcation plate (17) between the planting mouth (19) and seed input pipe (16), demarcation plate (17) is obliquely fixed in institute
State where planting mouth (19) between the internal side wall and center column (25) of procapsid (6), will it is described by center column (25) and
The ring-shaped cavity that the internal side wall of procapsid (6) collectively forms is divided into seeding area and fall-sowing area;
The front surface edge of the discharge plate (2) has a chamfering;The front surface edge of the discharge plate (2), along seeding
The circumference of disk (2) is removably uniformly provided with four type hole plug-in units (3);
The front end face of the type hole plug-in unit (3) is equipped with the first side wall (20), second sidewall (21) and inner sidewall (22);Described first
Side wall (20) and second sidewall (21) are protruded towards the front of type hole plug-in unit (3), and the inner sidewall (22) connects first side
Wall (20) and second sidewall (21);
The type hole plug-in unit (3) is mounted on discharge plate (2), and with discharge plate (2) from the first side wall (20) to second sidewall
(21) direction rotation;During rotation, the circumference of the first side wall (20) and second sidewall (21) towards discharge plate (2)
Rake of the edge of outer rim close to first arc section (26) and the second arc section (27);
The front end face of the first side wall (20) of the type hole plug-in unit (3), second sidewall (21) and inner sidewall (22) collectively forms one
It is open and is used to accommodate the type hole (23) of a corn seed towards the circumferential outer edge of discharge plate (2), before the inner sidewall (22)
End face constitutes the type hole bottom surface (28) of the type hole (23), and the type hole bottom surface (28) is internal to discharge plate from discharge plate (2)
(2) the inclined inclined-plane of circumferential outer edge;
The axis (4) passes through first arc section (26) and the second arc section of seeds protecting plate (18) with dynamic metering plate (2) along sequence
(27) direction rotation;
The front surface stirred kind of wheel (5) and be fixed in discharge plate (2), stirs kind of wheel (5) and discharge plate (2) concentric is arranged;Stir kind
Wheel (5) includes a cyclic annular wheel body and what four groups were fixed in the wheel external surface stirs kind of a tooth, and every group is stirred kind of a tooth and respectively correspond one
Type hole plug-in unit (3), it includes first stirring kind of a tooth (15) and second and stirring kind of a tooth (24) that every group, which is stirred kind of tooth, and first stirs kind of a tooth (15) and second
It stirs kind of a tooth (24) composition one and stirs kind of a space, a type hole plug-in unit (3) is accommodated therebetween;
The top edge of the demarcation plate (17) stirs kind the front end face for stirring kind of tooth of wheel (5) close to turning to described in its rear.
2. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: first arc section (26)
The inclination angle of rake is 30 °, the inclination angle of the rake of second arc section (27) is 45 °, and the second arc section (27) incline
Width of the width of inclined portion less than the rake of the first arc section (26).
3. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: the demarcation plate (17) and vertical
Direction has 30 ° of inclination angle.
4. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: the interior table of the procapsid (6)
Spiral shape seed guiding groove corresponding with seed input pipe (16) is provided on face.
5. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: the first side wall (20) front
Edge protrudes from the leading edge of second sidewall (21) and inner sidewall (22), and kind of a protrusion is stirred in formation.
6. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: the type hole bottom of the type hole (23)
Face (28) is identical as the tilt angle of chamfering on discharge plate (2).
7. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: described to stir kind of a ring-type for wheel (5)
Wheel body is concentric with center column (25) and radius is equal;Described first, which stirs kind of a tooth (15) and second, stirs end and the row of kind of a tooth (24)
Chamfering inward flange in discharge plate (2) is concordant.
8. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: the preceding table of the discharge plate (2)
Face edge along discharge plate (2) even circumferential set there are four type hole card slots (10), four type hole card slots (10) it is same
The side wall of side is equipped with groove (11);The type hole plug-in unit (3) is equipped with boss (12) corresponding with the groove (11),
Type hole plug-in unit (3) is cooperated by boss (12) and groove (11) and is removably mounted on discharge plate (2).
9. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: described first stir kind of a tooth (15) and
Second stirs the inner wall for stirring kind of space of kind of a tooth (24) composition using arcuate structure.
10. pneumatic transmission formula high speed seed of maize according to claim 1, it is characterised in that: the demarcation plate (17) it is upper
Edge and described the distance between kind of the front end face for stirring kind of tooth of wheel (5) that stirs for turning to its rear are 1mm.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108770429A (en) * | 2018-06-28 | 2018-11-09 | 中国农业大学 | A kind of pneumatic transmission formula high speed seed of maize |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108770429A (en) * | 2018-06-28 | 2018-11-09 | 中国农业大学 | A kind of pneumatic transmission formula high speed seed of maize |
CN108770429B (en) * | 2018-06-28 | 2023-07-14 | 中国农业大学 | Pneumatic high-speed corn seed sowing device |
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