CN212851749U - Pneumatic centralized-discharging electric-driving type tail-end ordered seed discharging device for grains - Google Patents

Pneumatic centralized-discharging electric-driving type tail-end ordered seed discharging device for grains Download PDF

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Publication number
CN212851749U
CN212851749U CN202021208998.1U CN202021208998U CN212851749U CN 212851749 U CN212851749 U CN 212851749U CN 202021208998 U CN202021208998 U CN 202021208998U CN 212851749 U CN212851749 U CN 212851749U
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China
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seed
shell
ruler
discharging
pipe
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CN202021208998.1U
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Chinese (zh)
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位国建
史嵩
周纪磊
刘虎
张荣芳
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Shandong Academy of Agricultural Machinery Sciences
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Shandong Academy of Agricultural Machinery Sciences
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Abstract

The utility model discloses a corn strength collection arranges terminal seed metering device in order of electric drive formula, its technical scheme is: the seeding plate is arranged between the first shell and the second shell; the seed discharging disc is connected with a servo motor arranged on the outer side of the first shell through a multi-stage speed reducer; the outer end face of the first shell is provided with a positive pressure seed feeding pipe, and the first shell is circumferentially provided with a seed discharging pipe. The utility model discloses a strength is sent kind, the air current is disturbed kind, is pressed and is attached to fill kind, centrifugal clear kind, can realize single seed in order seed metering, solves the problem that can't realize the seeding of cereal high standard, high accuracy under the high-speed operation condition. The utility model discloses can avoid the seed to pile up the interplant frictional force that brings big, appear the knot and encircle and make somebody a mere figurehead etc. be unfavorable for filling kind of phenomenon, accomplish clear kind of seeds under the clamping action and the air current disturbance of seed metering dish type hole and clear kind of plate, realize single seed in order seed metering.

Description

Pneumatic centralized-discharging electric-driving type tail-end ordered seed discharging device for grains
Technical Field
The utility model relates to the field of agricultural machinery, especially, relate to a corn strength collection arranges terminal seed metering device in order of electric drive formula.
Background
The mechanized sowing quality influences the individual development and the group quality of the grains, and finally has an important influence on the yield of the grains, thereby becoming an important part of the technical strategy of grain storage of the grains. However, the inventor finds that most of the existing grain sowing machines are drill sowing machines, the rough seed sowing form of the existing grain sowing machines cannot meet the uniform sowing production mode, and the existing requirements of high quality and high efficiency of grain large-scale production are difficult to meet. For example: the existing grain sowing machinery has the defects of large inter-seed friction force caused by seed accumulation, easy occurrence of phenomena of arching, overhead and the like, unfavorable seed filling phenomenon and incapability of ordered seed sowing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a corn strength collection arranges terminal seed metering device in order of electricity driven type can avoid the seed to pile up the interplant frictional force that brings big, appear the knot and encircle and make somebody a mere figurehead etc. and be unfavorable for filling kind of phenomenon, accomplish clear kind under the clamping action and the air current disturbance of seed metering dish type hole and clear kind of board, realize single seed in order seed metering.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the embodiment of the utility model provides a pneumatic centralized-discharging electric-driving type terminal ordered seed discharging device for grains, which comprises a first shell, a second shell, a seed discharging disc and a servo motor, wherein the first shell and the second shell are connected through a buckle; the seed discharging disc is connected with a servo motor arranged on the outer side of the first shell through a multi-stage speed reducer; the outer end face of the first shell is provided with a positive pressure seed feeding pipe, and the first shell is circumferentially provided with a seed discharging pipe.
As a further implementation manner, the first shell is provided with an observation window, and a seed cleaning plate is arranged in the first shell; the positive pressure pipe is annularly arranged on the side surface of the first shell, and the tail end of the positive pressure pipe is connected with the observation window; the seed sowing pipe is arranged at the edge of the first shell and is connected with the seed cleaning plate.
As a further implementation manner, the observation window is arranged on the side surface of the first shell and is vertical to the seed cleaning plate; a seed baffle is further arranged inside the first shell, a positive pressure seed feeding pipe cavity is formed in the upper portion of the seed baffle, and a residual seed backflow cavity is formed in the lower portion of the seed baffle.
As a further implementation manner, the edge of the baffle plate to the observation window is a semi-closed pipeline, and the diameter and the height of the part of the baffle plate edge to the observation window are gradually reduced; the seed cleaning plate gradually becomes wider from the bottom to the top, the bottom of the seed cleaning plate is connected with the chamfered edge of the shell, and the top of the seed cleaning plate is connected with the partition plate; the section of the seed cleaning plate is a cambered surface.
As a further implementation manner, the positive pressure feed pipe is an irregular pipeline, a pipe section from an air inlet to the edge of the baffle plate is a closed pipeline, and a pipe section from the edge of the baffle plate to the observation window is a semi-closed pipeline; the positive pressure seed feeding pipe, the seed cleaning plate and the seed sowing pipe form a first circulation path, and the positive pressure seed feeding pipe, the seed cleaning plate and the residual seed return chamber form a second circulation path.
As a further implementation mode, the seed sowing plate comprises a plate body, a guide ruler, a disturbance ruler, a connecting main body and a hand wheel, wherein the connecting main body is arranged at the center of one side surface of the plate body, and the guide rulers are uniformly distributed along the circumferential direction of the connecting main body; a disturbance ruler is arranged between every two guide rulers with a set number; a hand wheel is arranged on the other side surface of the tray body, and sector grooves are symmetrically arranged in the center of the hand wheel.
As a further implementation mode, a plurality of shaped holes are formed in the edge of the disc body, the guide ruler is an arc-shaped curved surface, one end of the guide ruler is tangent to the connecting main body, and the other end of the guide ruler is of a trapezoidal structure; the guide ruler is vertical to the end surface of the seed discharging disc and is connected with the profile hole; the disturbing ruler is an arc-shaped curved surface, the direction of the arc of the disturbing ruler is opposite to that of the arc of the guide ruler, and the length of the disturbing ruler is shorter than that of the guide ruler and the height of the disturbing ruler is lower than that of the guide ruler.
As a further implementation mode, the section of the connecting main body is circular, a cylindrical groove is formed in the connecting main body, and the seed metering disc is connected with the servo motor through the groove.
As a further implementation mode, the center of the groove is provided with a through hole, the center of the through hole is a circular hole, and two ends of the through hole are rectangular holes.
As a further implementation manner, a motor base is installed at the center of the first shell, and a hollow cavity is formed inside the motor base; and a plurality of T-shaped buckles are fixed at the connecting ends of the multistage speed reducer and the seed sowing plate.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
(1) the utility model has the advantages that the disturbance ruler is arranged on the seed-metering disc of one or more embodiments, which can not only promote the disturbance of the seed group and form a reasonable seed-filling state, but also can not cause the disturbance to the centrifugal seed filling of the guiding ruler, thereby effectively reducing the wind pressure and improving the operation speed; the seed-metering disc-shaped hole can only accommodate a single grain seed, so that single-grain ordered seed metering is formed, and the metering is more accurate;
(2) the seed cleaning plate of one or more embodiments of the utility model adopts an inclined plane form, can effectively clean redundant seeds under the action of centrifugal force, is matched with a hole rotating curve, can stably carry seeds, ensures that single seeds accurately fall into a seed discharging pipe, and ensures the uniformity of seed feeding;
(3) one or more embodiments of the utility model connect the seed sowing plate through the servo motor and the multi-stage speed reducer, can realize the accurate control of the rotating speed of the seed sowing part, realize the accurate adjustment of the discharge capacity by adjusting the rotating speed of the seed sowing part, and effectively improve the uniformity and reliability of the seed sowing;
(4) the utility model discloses a first casing of seed metering ware, second casing of one or more embodiments adopt buckle quick detach formula structure, and the seed metering dish dismouting of being convenient for is changed, and easy operation uses manpower sparingly.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic overall structure diagram of the present invention according to one or more embodiments;
fig. 2 is a schematic view of the internal structure of a first housing according to one or more embodiments of the present invention;
FIG. 3 is a schematic view of a side structure of a seed plate according to one or more embodiments of the present invention;
FIG. 4 is a schematic view of another side of a seed plate according to one or more embodiments of the present invention;
fig. 5 is a schematic diagram of a second housing exterior configuration in accordance with one or more embodiments of the present invention;
FIG. 6 is a schematic structural view of a seed metering system according to one or more embodiments of the present invention;
the seed metering device comprises a first shell, 100 remaining seed return chambers, 101 positive pressure seed feeding pipes, 102 seed discharging pipes, 103 observation windows, 104 seed cleaning plates, 105 motor bases, 106 seed blocking plates, 107 fixing lugs, 108 partition plates, 109 positive pressure seed feeding pipe chambers, 2 seed discharging discs, 200 disc bodies, 201 grooves, 202 guide rules, 203 stirring rules, 204 type holes, 205 hand wheels, 206 through holes, 207 fan-shaped grooves, 3 servo motors, 301 multi-stage speed reducers, 302T-shaped buckles, 4 second shells, 401 rib plates, 402 central platforms, 5 buckles, 6 seat covers, 801 Venturi seed metering devices, 802 seed conveying corrugated pipes, 803 seed distributors and 804 seed conveying pipes.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" when appearing in this application are intended only to designate directions that are consistent with the up, down, left and right directions of the drawings themselves, and not to limit the structure, but merely to facilitate description of the invention and to simplify description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two elements may be connected directly or indirectly through an intermediate medium, or the two elements may be connected internally or in an interaction relationship, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.
The first embodiment is as follows:
the embodiment provides a pneumatic centralized-discharging electric-driving type tail-end ordered seeding device for grains, which comprises a first shell 1, a seeding disc 2, a driving mechanism and a second shell 4, wherein the first shell 1 is detachably connected with the second shell 4; the seed plate 2 is arranged between the first shell 1 and the second shell 4. The driving mechanism is fixedly connected with the first shell 1 and is connected with the seed metering disc 2, and the seed metering disc 2 is controlled to act through the driving mechanism.
Furthermore, the first shell 1 and the second shell 4 are connected through the buckle 5, so that the seed plate 2 can be conveniently disassembled, assembled and replaced, the operation is simple, and the labor is saved. In the embodiment, the cross sections of the first shell 1 and the second shell 4 are circular, and both are in a semi-closed structure; the first housing 1 and the second housing 4 are buckled to form a closed housing.
As shown in fig. 2, the first housing 1 includes a positive pressure seed feeding pipe 101, a seed discharging pipe 102, an observation window 103, and a seed cleaning plate 104, wherein the positive pressure seed feeding pipe 101 is annularly arranged along the outer end surface of the first housing 1, and the seed discharging pipe 102 is circumferentially distributed along the first housing 1 and is tangent to the edge of the first housing 1. The observation window 103 is arranged on the outer side end face of the first shell 1, the observation window 103 is made of transparent organic glass materials, the movement condition of the population inside the shell can be clearly observed, and the judgment on whether the species is filled or not to fail or not can be conveniently made under the condition of no disassembly.
The seed cleaning plate 104 is fixed on the inner side of the first shell 1 and is perpendicular to the observation window 103. The seed-removing plate 104 becomes wider from the bottom toward the top, and the bottom thereof is connected to the chamfered edge of the first casing 1 and the top thereof is connected to the partition 108. The side surface of the seed cleaning plate 104 is an arc surface to be matched with the seed sowing plate 2. The seed cleaning plate 104 is in an inclined surface form, can effectively clean redundant seeds under the action of centrifugal force, is matched with the rotating curve of the hole 204, can stably carry seeds, ensures that single seeds accurately fall into the seeding pipe 102 and ensures the uniformity of seed feeding.
A baffle plate 106 is further installed inside the first casing 1, and the baffle plate 106 is disposed at the lower portion of the first casing 1 with the installation position of the observation window 103 as the upper portion. The upper part of the baffle plate 106 is a positive pressure seed feeding pipe chamber 109, and the lower part is a seed cleaning residual seed return chamber 100.
Further, the end of the seed tube 102 located at the first housing 1 is an outlet, which in this embodiment is square. The other end of the seed tube 102 (the end communicating with the interior of the first housing 1) is connected with a seed cleaning plate 104.
One end of the positive pressure feed pipe 101 is an air inlet, and the other end is connected to the observation window 103. The positive pressure feed pipe 101 is an irregular pipeline, a pipe section from the air inlet to the edge of the baffle plate 106 is a closed pipeline (circumferentially closed), and a pipe section from the edge of the baffle plate 106 to the observation window 103 is a semi-closed pipeline; and the diameter of the pipe section from the edge of the baffle plate 106 to the observation window 103 is gradually reduced, and the height is gradually reduced. The positive pressure seed feeding pipe 101, the seed cleaning plate 104 and the seed discharging pipe 102 form a first flow path, and the positive pressure seed feeding pipe 101, the seed cleaning plate 104 and the remaining seed return chamber 100 form a second flow path.
The central point of first casing 1 puts and installs motor cabinet 105, and in this embodiment, motor cabinet 105 is the column, and inside is hollow cavity. The first housing 1 is circumferentially spaced by a plurality of fixing lugs 107. The first casing 1 is provided with a chamfer in the circumferential direction, and in the embodiment, the lower chamfer of the first casing 1 is larger than other circumferential chamfers.
The driving mechanism comprises a servo motor 3 and a multi-stage speed reducer 301, and the servo motor 3 is connected with a servo motor driver through a lead. The servo motor 3 is connected with the seed discharging disc 2 through a multi-stage speed reducer 301, and a plurality of T-shaped buckles 302 are fixed at the connecting end of the multi-stage speed reducer 301 and the seed discharging disc 2. One end of the servo motor 3 far away from the multi-stage speed reducer 301 is connected with the first housing 1 through the seat cover 6, and the servo motor 3 is fixed through the motor seat 105. The servo motor 3 drives the discharge according to the requirement, thereby ensuring the accurate seed metering quantity.
As shown in fig. 3, the seed metering disc 2 comprises a disc body 200, a connecting body, a guide ruler 202, a disturbance ruler 203, a hole 204 and a hand wheel 205, wherein the disc body 200 is circular; a connection body is provided at a central position of one side surface of the tray body 200. As shown in fig. 4, a hand wheel 205 is mounted on the other side of the tray body, and sector grooves 207 are symmetrically formed in the center of the hand wheel 205; the scalloped groove 207 is capable of contacting the T-clip 302.
The connecting body is circumferentially and uniformly distributed with a plurality of guide rulers 202 and disturbance rulers 203, and one disturbance ruler 203 is arranged between every two guide rulers 202 with the set number. In the present embodiment, one perturbation ruler 203 is disposed between every two guide rulers 202. The disturbance ruler 203 can promote population disturbance to form a reasonable seed filling population state, and does not cause disturbance to centrifugal seed filling of the guide ruler 202, thereby effectively reducing wind pressure and improving operation speed.
One end of the guide ruler 202 is connected with the connecting body, and the other end of the guide ruler is connected with the shaped holes 204 which are uniformly distributed along the circumferential direction of the disc body 200. The shaped hole 204 is a circular arc-shaped notch which is obliquely arranged at the edge of the tray body, and the curved surface of the shaped hole 204 is attached to the arc surface of the seed cleaning plate 104. The shaped hole 204 can only accommodate a single grain seed, so that single grain ordered seeding is formed, and the metering is more accurate.
Furthermore, the section of the connecting body is circular, a cylindrical groove 201 is formed in the connecting body, and the seed sowing plate 2 is connected with the servo motor 3 through the groove 201. The center of the groove 201 is provided with a through hole 206, the center of the through hole 206 is a circular hole, and two ends of the through hole are rectangular holes.
The guide 202 is an arc-shaped curved surface, one end of which is tangent to the connecting body and the other end of which is of a trapezoidal structure. The guide 202 is perpendicular to the end surface of the seed plate 2. Perturbing ruler 203 is an arc-shaped curved surface that is opposite to the arc of guide 202 and is shorter in length than guide 202.
As shown in fig. 5, a central platform 402 is centrally disposed inside the second housing 4, and the central platform 402 has a circular shape. A plurality of rib plates 401 are uniformly distributed on the outer side of the second shell 4, the rib plates 401 are arc-shaped, and are distributed along the circumferential direction of the second shell 4 to form an umbrella-shaped structure.
The working principle of the embodiment is as follows:
when seeds are filled, positive pressure air flow sends the air flow and the grain seed mixture into the positive pressure feed pipe chamber 109 through the positive pressure feed pipe 101, and under the action of the positive pressure air flow and the disturbance ruler 203, the seed group entering the chamber is disturbed, so that a seed group state beneficial to seed filling is formed. The servo motor 3 drives the seed discharging disc 2 to rotate, the seed is charged for the first time in the seed charging area under the action of air flow, the seeds are pressed and attached to the molded holes 204 under the action of pressure difference along the guide ruler 202 to form a seed bag state and rotate along with the seed discharging disc 2, newly-entered seeds are obtained from the seed inlet to form overlapped seed charging, no seed leakage in the molded holes 204 of the seed discharging disc is ensured, and the seed charging is completed.
During seed cleaning, under the clamping action of the pattern holes 204 and the seed cleaning plate 104 and the disturbance of air flow, the seed group rotates along with the seed discharging disc 2 to form a seed cleaning process, and redundant seeds are separated from the seed discharging disc 2 and slide down along the seed baffle plate 106 to return to the seed charging area of the seed discharging device. During seeding, the single seed contained in the shaped hole 204 continuously rotates along with the seeding plate 2 until the seed feeding area loses the package of the seed cleaning plate 104, and the seed is discharged along the seeding pipe 102 after separating from the shaped hole 204 under the action of self gravity and air flow. After seeding is finished, the buckle 5 connected with the first shell 1 and the second shell 4 is opened, the hand wheel 205 is rotated anticlockwise to remove the seeding plate 2, and redundant seeds are cleared out.
The seed metering device of the embodiment changes the original mode of filling seeds accumulated in the cavity of the seed metering device by the self gravity into the seed flow entering the seed metering device uniformly and orderly along with the air flow according to the advantages of pneumatic seed feeding, air flow seed disturbing, pressure attached seed filling and centrifugal seed cleaning; the phenomenon that seeds are not beneficial to seed filling due to large interspecific friction force caused by seed accumulation and arching, overhead and the like is avoided. Seed cleaning is completed under the clamping action of the seed cleaning plate 104 and the seed cleaning plate 204 and the disturbance of air flow, single-seed ordered seed discharging is realized, and the problem that high-standard and high-precision seeding of grains cannot be realized under the high-speed operation condition is solved.
As shown in FIG. 6, the present embodiment is used with a venturi seeding apparatus 801 attached to the end of a seed tube 804, the venturi seeding apparatus 801 is connected to a seed distributor 803 through a seed tube 802, and the seeding apparatus is connected to the seed distributor 803 through the seed tube 804. The working principle is as follows:
1) the grain seeds are mixed with high-speed air flow generated by a fan through a Venturi seed metering device 801, the high-speed air flow conveys the seed flow to a seed conveying corrugated pipe 802 to enter a seed distributor 803, and uniform and ordered seeds are formed and flow through a seed conveying pipe 804 to enter a positive pressure seed conveying pipe 101 of a seed metering device.
2) Seed filling: the positive pressure air flow provided by the fan sends the air flow and the grain seed mixture into the positive pressure feed pipe chamber 109 through the positive pressure feed pipe 101, and under the action of the positive pressure air flow and the disturbance ruler 203, the seed group entering the chamber is disturbed, so that a seed group state beneficial to seed filling is formed. The servo motor 3 drives the seed discharging disc 2 to rotate, the seed is charged for the first time in the seed charging area under the action of air flow, the seeds are pressed and attached to the seed discharging disc type holes 204 under the action of pressure difference along the guide ruler 202 to form a seed bag state and rotate along with the seed discharging disc 2, newly-entered seeds are obtained from the seed inlet to form overlapped seed charging, the seed leakage of the seed discharging disc type holes 204 is guaranteed, and the seed charging is completed.
3) Seed cleaning: under the clamping action of the seed metering disc-shaped holes 204 and the seed cleaning plate 104 and the disturbance of air flow, the seed group rotates along with the seed metering disc 2 to form a seed cleaning process, redundant seeds are separated from the seed metering disc 2 and slide back to a seed filling area of the seed metering device along the seed baffle plate 106, and seed cleaning is finished.
4) Seed sowing: the single seed contained in the shaped hole 204 continuously rotates along with the seed sowing disk 2 until the seed feeding area loses the package of the seed cleaning plate 104, and the single seed is separated from the shaped hole 204 and discharged along the seed sowing pipe 102 under the action of self gravity and air flow, so that the whole seed sowing process is completed.
5) After seeding is finished, the first shell 1 and the second shell 4 are opened to connect the buckle 5, the hand wheel 205 is rotated anticlockwise to remove the seeding plate 2, and redundant seeds are cleared out.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A pneumatic centralized-discharging electric-drive type tail-end ordered seeding device for grains is characterized by comprising a first shell, a second shell, a seeding disc and a servo motor, wherein the first shell and the second shell are connected through a buckle; the seed discharging disc is connected with a servo motor arranged on the outer side of the first shell through a multi-stage speed reducer; the outer end face of the first shell is provided with a positive pressure seed feeding pipe, and the first shell is circumferentially provided with a seed discharging pipe.
2. The pneumatic centralized-discharging electric-driven terminal ordered seeding device for grains according to claim 1, wherein the first shell is provided with an observation window, and a seed cleaning plate is arranged in the first shell; the positive pressure pipe is annularly arranged on the side surface of the first shell, and the tail end of the positive pressure pipe is connected with the observation window; the seed sowing pipe is arranged at the edge of the first shell and is connected with the seed cleaning plate.
3. The pneumatic centralized-discharging electric-driven terminal ordered seeding device for grains according to claim 2, wherein the observation window is arranged on the side surface of the first shell and is vertical to the position of the seed cleaning plate; a seed baffle is further arranged inside the first shell, a positive pressure seed feeding pipe cavity is formed in the upper portion of the seed baffle, and a residual seed backflow cavity is formed in the lower portion of the seed baffle.
4. The pneumatic centralized-discharging electric-driving type terminal ordered seeding device for grains according to claim 3, wherein the part from the edge of the baffle plate to the observation window is a semi-closed pipeline, and the part from the edge of the baffle plate to the observation window is gradually reduced in diameter and becomes lower in height; the seed cleaning plate gradually becomes wider from the bottom to the top, the bottom of the seed cleaning plate is connected with the chamfered edge of the shell, and the top of the seed cleaning plate is connected with the partition plate; the section of the seed cleaning plate is a cambered surface.
5. The pneumatic centralized-discharging electric-driven terminal ordered seed metering device of the grain according to claim 3, characterized in that the positive pressure seed delivery pipe is an irregular pipeline, the pipe section from the air inlet to the edge of the seed baffle is a closed pipeline, and the pipe section from the edge of the seed baffle to the observation window is a semi-closed pipeline; the positive pressure seed feeding pipe, the seed cleaning plate and the seed sowing pipe form a first circulation path, and the positive pressure seed feeding pipe, the seed cleaning plate and the residual seed return chamber form a second circulation path.
6. The pneumatic centralized-discharging electric-drive type terminal ordered seed discharging device for grains according to claim 1, wherein the seed discharging disk comprises a disk body, a guide ruler, a disturbance ruler, a connecting main body and a hand wheel, the connecting main body is arranged at the center of one side surface of the disk body, and the guide ruler is uniformly distributed along the circumferential direction of the connecting main body; a disturbance ruler is arranged between every two guide rulers with a set number; a hand wheel is arranged on the other side surface of the tray body, and sector grooves are symmetrically arranged in the center of the hand wheel.
7. The pneumatic centralized-discharging electric-driven terminal ordered seeding device for grains according to claim 6, wherein a plurality of shaped holes are arranged at the edge of the tray body, the guiding ruler is an arc-shaped curved surface, one end of the guiding ruler is tangent to the connecting main body, and the other end of the guiding ruler is of a trapezoidal structure; the guide ruler is vertical to the end surface of the seed discharging disc and is connected with the profile hole; the disturbing ruler is an arc-shaped curved surface, the direction of the arc of the disturbing ruler is opposite to that of the arc of the guide ruler, and the length of the disturbing ruler is shorter than that of the guide ruler and the height of the disturbing ruler is lower than that of the guide ruler.
8. The pneumatic centralized-discharging electric-drive type terminal ordered seeding device for grains according to claim 6, wherein the section of the connecting main body is circular, a cylindrical groove is formed in the connecting main body, and the seeding disk is connected with the servo motor through the groove.
9. The pneumatic centralized-discharging electric-driven terminal ordered seeding device for grains according to claim 8, wherein the center of the groove is provided with a through hole, the center of the through hole is a circular hole, and two ends of the through hole are rectangular holes.
10. The pneumatic centralized-discharging electric-drive type terminal ordered seeding device for grains according to claim 1, wherein a motor base is installed at the center of the first shell, and a hollow cavity is formed inside the motor base; and a plurality of T-shaped buckles are fixed at the connecting ends of the multistage speed reducer and the seed sowing plate.
CN202021208998.1U 2020-06-24 2020-06-24 Pneumatic centralized-discharging electric-driving type tail-end ordered seed discharging device for grains Expired - Fee Related CN212851749U (en)

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CN202021208998.1U CN212851749U (en) 2020-06-24 2020-06-24 Pneumatic centralized-discharging electric-driving type tail-end ordered seed discharging device for grains

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Application Number Priority Date Filing Date Title
CN202021208998.1U CN212851749U (en) 2020-06-24 2020-06-24 Pneumatic centralized-discharging electric-driving type tail-end ordered seed discharging device for grains

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CN212851749U true CN212851749U (en) 2021-04-02

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