CN112919069A

CN112919069A - Quantitative dispensing device

Info

Publication number: CN112919069A
Application number: CN202110119885.7A
Authority: CN
Inventors: 毕锋钢; 孟威; 李佰双; 马辉; 孙慕君; 徐清云; 张微微; 檀莹; 段连奎
Original assignee: Liaoning Feiwang Aviation Technology Co ltd
Current assignee: Liaoning Feiwang Aviation Technology Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-06-08

Abstract

The invention discloses a quantitative feeding device, which comprises a storage box, a discharging mechanism and a feeding mechanism, wherein the bottom of the storage box is provided with an opening, the discharging mechanism is arranged at the bottom of the storage box, the discharging mechanism comprises a discharging bin, a rotary disc and a first driving mechanism, the discharging bin is provided with a first inner cavity, a first feeding hole communicated with the first inner cavity and a first discharging hole communicated with the first inner cavity, the first feeding hole is communicated with the opening, the rotary disc can be rotatably arranged in the first inner cavity to drive quantitative materials to the first discharging hole, the first driving mechanism is connected with the rotary disc to drive the rotary disc to rotate, the feeding mechanism is arranged at the bottom of the discharging mechanism, the feeding mechanism comprises a feeding bin, a blocking piece and a second driving mechanism, the feeding bin comprises a second inner cavity, a second feeding hole communicated with the second inner cavity and a second discharging hole communicated with the second inner cavity, the second feeding hole is communicated with the first discharging hole and is arranged at the second discharging, the second driving mechanism is connected with the blocking piece to drive the blocking piece to open or block the second discharge hole.

Description

Quantitative dispensing device

Technical Field

The invention relates to the technical field of unmanned aerial vehicle throwing, in particular to a quantitative throwing device.

Background

The existing agricultural unmanned aerial vehicle has the advantages of random material feeding, uncontrollable quantity and poor operation effect.

Disclosure of Invention

In view of this, the present invention provides a quantitative dispensing device.

The invention provides a quantitative feeding device, which comprises:

the bottom of the storage box is provided with an opening, and the storage box is used for storing materials to be thrown;

the discharging mechanism is arranged at the bottom of the storage box and comprises a discharging bin, a rotary disc and a first driving mechanism, the discharging bin is provided with a first inner cavity, a first feeding hole communicated with the first inner cavity and a first discharging hole communicated with the first inner cavity, the first feeding hole is communicated with the open hole, the rotary disc is rotatably arranged in the first inner cavity and is used for driving quantitative materials to the first discharging hole from the first feeding hole, the first driving mechanism is connected with the rotary disc, and the first driving mechanism is used for driving the rotary disc to rotate;

throw material mechanism, install in discharge mechanism's bottom, throw material mechanism including throwing the feed bin, block piece and second actuating mechanism, throw the feed bin and include second inner chamber, intercommunication the second feed inlet and the intercommunication of second inner chamber the second discharge gate of second inner chamber, the second feed inlet with first discharge gate intercommunication, block the piece and locate second discharge gate department, second actuating mechanism with block the piece and connect, second actuating mechanism is used for the drive block and open or shelter from the second discharge gate.

According to the technical scheme, the quantitative feeding device is used for quantitatively feeding materials, the feeding amount is controllable, and the operation effect can be improved. And the storage box, the discharging mechanism and the feeding mechanism are reasonable in layout and simple and compact in structure, so that the size of the quantitative feeding device can be effectively reduced, the assembly is simplified, and the cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an agricultural unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an agricultural drone according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a quantitative dispensing device according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a quantitative dispensing device according to an embodiment of the present invention;

FIG. 5 is an exploded view of the discharge mechanism and the charging mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a bottom view of the discharging bin according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1, an embodiment of the present invention provides an agricultural drone 100, which includes a frame 10, a horn 20, a rotor power device 30, and a quantitative throwing device 40, wherein the horn 20 is mechanically coupled to the frame 10, the rotor power device 30 is mounted on the horn 20, the quantitative throwing device 40 is detachably mounted on the frame 10, and the quantitative throwing device 40 is used for throwing a material 200 into a cultivated land.

Illustratively, one of the uses of the agricultural drone 100 proposed by the present embodiment is for the delivery of trichogramma capsules to control corn borer. When the device is used, the rotor wing power device 30 rotates to drive the quantitative throwing device 40 to ascend to the upper part of the cultivated land and fly according to a set route, and the quantitative throwing device 40 quantitatively throws trichogramma capsules into the cultivated land according to a preset time interval.

In this embodiment, the quantitative feeding device 40 is detachably mounted on the frame 10, so that the quantitative feeding device 40 is connected to the frame 10, and the quantitative feeding device 40 is convenient to replace.

As shown in fig. 3 to 4, the quantitative charging device 40 optionally includes a storage tank 41, a discharging mechanism 42 and a charging mechanism 43, the bottom of the storage tank 41 is provided with an opening 411, and the storage tank 41 is used for storing the material 200 to be charged. Discharge mechanism 42 installs in the bottom of storage case 41, discharge mechanism 42 includes ejection of compact storehouse 421, carousel 422 and first actuating mechanism 423, ejection of compact storehouse 421 has first inner chamber 421a, the first feed inlet 421b of first inner chamber 421a of intercommunication and the first discharge gate 421c of first inner chamber 421a of intercommunication, first feed inlet 421b communicates with trompil 411, carousel 422 is rotatable to be located in first inner chamber 421a, carousel 422 is used for driving quantitative material 200 to first discharge gate 421c from first feed inlet 421b, first actuating mechanism 423 is connected with carousel 422, first actuating mechanism 423 is used for driving carousel 422 to rotate. The feeding mechanism 43 is installed at the bottom of the discharging mechanism 42, the feeding mechanism 43 comprises a feeding bin 431, a blocking member 432 and a second driving mechanism 433, the feeding bin 431 comprises a second inner cavity 431a, a second feeding hole 431b communicated with the second inner cavity 431a and a second discharging hole 431c communicated with the second inner cavity 431a, the second feeding hole 431b is communicated with the first discharging hole 421c, the blocking member 432 is arranged at the second discharging hole 431c, the second driving mechanism 433 is connected with the blocking member 432, and the second driving mechanism 433 is used for driving the blocking member 432 to open or block the second discharging hole 431 c.

When the device is used, the materials 200 stored in the storage box 41 enter the discharging bin 421 through the opening 411 and the first feeding hole 421b, the rotary disc 422 rotates to drive a fixed amount of the materials 200 to move to the first discharging hole 421c and enter the feeding bin 431 through the second feeding hole 431b from the first discharging hole 421c, the second driving mechanism 433 drives the blocking piece 432 to open the second discharging hole 431c, and the materials 200 are fed to the farmland from the second discharging hole 431 c.

In this embodiment, the quantitative feeding device 40 is provided to feed the material 200 quantitatively, so that the feeding amount is controllable, and the operation effect can be improved. And the storage box 41, the discharging mechanism 42 and the feeding mechanism 43 are reasonable in layout and simple and compact in structure, so that the size of the quantitative feeding device 40 can be effectively reduced, the assembly is simplified, and the cost is reduced.

Optionally, the first driving mechanism 423 includes a first motor 4231 and a gear box 4232, the gear box 4232 is mounted at the bottom of the shooting bin 431, an output shaft of the gear box 4232 is connected with the turntable 422, the first motor 4231 is mounted at the bottom of the gear box 4232, the first motor 4231 is connected with a gear pair inside the gear box 4232, and when the first motor 4231 operates, the turntable 422 is driven to rotate through the gear box 4232. The material 200 has certain weight, and the carousel 422 drive material 200 pivoted in-process needs great moment of torsion, through setting up gear box 4232, can reduce the demand to first motor 4231 moment of torsion to can choose for use the lower first motor 4231 of price, with reduce cost. Of course, it is also possible to directly connect the first motor 4231 with the turntable 422.

Optionally, the second driving mechanism 433 includes a second motor 4331, the second motor 4331 is installed on an outer side wall of the material throwing bin 431, one end of the blocking member 432 is connected to an output shaft of the second motor 4331, and when the second motor 4331 operates, the blocking member 432 is driven to rotate to the second material outlet 431c to block the material 200 or rotate away from the second material outlet 431c to throw the material 200.

As shown in fig. 2 to 3, optionally, the frame 10 is provided with a first mounting opening 11, and the quantitative distribution device 40 is detachably clamped in the first mounting opening 11.

Optionally, the storage box 41 includes a box body 412 and a head 413, two opposite sides of the head 413 are provided with protrusions 413, the box body 412 is inserted into the first mounting opening 11, and the protrusions 413 are clamped in the rack 10. Specifically, during installation, an operator only needs to hold the storage box 41, and insert the box 412 into the first mounting port 11 from above the first mounting port 11, and the protrusion 413 is clamped on the upper surface of the frame 10, so that the operation is very simple. And the connection mode does not need an operator to use tools, such as a screwdriver and the like, for dismounting.

Alternatively, the inner side walls of the opposite sides of the first mounting hole 11 are provided with protrusions 12, and the protrusions 12 are used to clamp the case 412 from both sides of the case 412. The case 412 is clamped by the protrusions 12, so that the magazine 41 can be firmly clamped to the rack 10.

Optionally, the upper half of the protrusion 12 is provided with a guiding inclined plane 121, and the guiding inclined plane 121 guides the installation of the box 412 to facilitate the installation of the box 412.

Optionally, the frame 10 is further provided with a second mounting opening 13, and the agricultural drone 100 further includes a battery, the battery being detachably mounted to the second mounting opening 13. Optionally, the inner side wall of the second mounting opening 13 is provided with a buckling part 131, and the battery is buckled with the inner side wall of the second mounting opening 13.

Optionally, the agricultural drone 100 further includes two brackets 50, which are respectively disposed on two opposite sides of the frame 10, and the two brackets 50 are used for supporting the agricultural drone 100.

As shown in fig. 4 to 5, optionally, the turntable 422 includes a rotating shaft 4221 and at least two pushing portions 4222, the at least two pushing portions 4222 are arranged at intervals on the outer periphery of the rotating shaft 4221, an accommodating space 4223 is defined between two adjacent pushing portions 4222, the accommodating space 4223 is used for accommodating a fixed amount of the material 200, and the first driving mechanism 423 is connected with the rotating shaft 4221 to drive the turntable 422 to rotate.

Illustratively, the number of the pushing portions 4222 is two, two pushing portions 4222 enclose to form two opposite first accommodation spaces 4223a and second accommodation spaces 4223b, when the first accommodation space 4223a rotates to be opposite to the first feed port 421b, the material 200 in the storage box 41 falls into the first accommodation space 4223a, the rotary disc 422 rotates continuously, when the first accommodation space 4223a rotates to be opposite to the second feed port 431b, the material 200 in the first accommodation space 4223a falls into the second inner cavity 431a through the second feed port 431b, at this time, the second accommodation space 4223b rotates to be opposite to the first feed port 421b, the material 200 in the storage box 41 falls into the second accommodation space 4223b, and the quantitative transmission of the material 200 can be realized through the cyclic reciprocating.

Of course, the number of the pushing portions 4222 is not limited to two, and may be three, four or more, which is determined by actual design requirements.

Alternatively, the push portion 4222 comprises a push plate 4224 coupled to the rotation shaft 4221, and the push plate 4224 is parallel to the central axis of the rotation shaft 4221.

Alternatively, the push portion 4222 includes a first partition 4225 and a second partition 4226 connected to the rotation shaft 4221, and the first partition 4225 and the second partition 4226 are perpendicular to the central axis of the rotation shaft 4221. The push plate 4224 is attached to the same side of the first and

second spacers

4225, 4226.

Optionally, the discharging bin 421 includes a top plate 4211, a bottom plate 4212 and a surrounding wall 4213 enclosed between the top plate 4211 and the bottom plate 4212, the top plate 4211 is provided with a first feeding hole 421b, the bottom plate 4212 is provided with a first discharging hole 421c, an aperture of the first feeding hole 421b is configured to be larger than a diameter of the material 200, and a first partition plate 4225 is disposed near the first feeding hole 421b, so that the material 200 at the first feeding hole 421b can be agitated when the first partition plate 4225 rotates. In the in-service use process, two three material 200 cards often appear in first feed inlet 421b department, toward going out feed bin 421 and dropping, lead to throwing the material and can not normally go on, in this embodiment, the bore through setting up first feed inlet 421b is configured into the diameter that is greater than material 200, and first baffle 4225 is close to first feed inlet 421b and sets up, like this, can stir the material 200 that is located first feed inlet 421b department when first baffle 4225 rotates, avoid appearing the condition appearance of card in first feed inlet 421b department.

Optionally, a second baffle 4226 is provided on a side of the first baffle 4225 facing the bottom plate 4212, and the distance from the second baffle 4226 to the bottom plate 4212 is configured to be greater than one third of the diameter of the material 200. That is, when the material 200 is located in the accommodating space 4223, the second partition 4226 is located at a lower portion of the middle of the material 200. This embodiment gives the material 200 enough time to enter the charge 431 so that the material 200 can smoothly enter the charge 431. It will be appreciated that if the second partition 4226 is located at the bottom of the material 200, it may happen that the material 200 is pushed away by the turntable 422 before entering the dosing bin 431, resulting in that the dosing of the material 200 does not proceed properly.

As shown in fig. 3, 5 and 6, optionally, the dosing device 40 further includes a controller 44 and a first sensor 45, the first sensor 45 is mounted to the discharging bin 421 and electrically connected to the controller 44, and the first sensor 45 is used for detecting the amount of the material 200 entering the dosing bin from the discharging bin 421.

Optionally, the first sensor 45 is a micro switch, the bottom plate 4212 is provided with a mounting hole 4214, the micro switch is mounted at the mounting hole 4214, a trigger 4227 is provided on a side of the second partition 4226 away from the first partition 4225, and the trigger 4227 triggers the micro switch when the rotary plate 422 rotates to a position where the accommodating space 4223 is opposite to the second feeding hole 431 b.

It should be noted that the push portion 4222 may be configured to include only the push plate 4224, or only the first and

second partitions

4225 and 4226. When the push portion 4222 includes only the push plate 4224, the trigger 4227 is mounted to the push plate 4224. When the push portion 4222 includes only the first and

second partitions

4225 and 4226, the trigger 4227 is mounted to the second partition 4226.

It is to be understood that the first sensor 45 is not limited to being a micro switch, for example, the first sensor 45 may be an ultrasonic sensor or an infrared sensor or a hall sensor, etc.

Optionally, the dosing device 40 further comprises a second sensor 46, the second sensor 46 is mounted to the dosing bin 431 and electrically connected to the controller 44, the first driving mechanism 423 is electrically connected to the controller 44, and the controller 44 controls the first driving mechanism 423 to drive the rotary disc 422 to rotate continuously when the second sensor 46 detects that the dosing bin 431 is empty of the material 200. The material 200 does not exist in the feeding bin 431 continuously, and may be that the material 200 is blocked at the first feeding hole 421b, the controller 44 controls the first driving mechanism 423 to drive the rotating disc 422 to rotate continuously, so that the material 200 can be stirred, and the situation that the material 200 is blocked and does not fall off is avoided.

As shown in fig. 3 to 4, optionally, the magazine 41 includes a bottom wall 414 and a side wall 415 surrounding the bottom wall 414, the side wall 415 includes a first cylindrical portion 4151 and a second cylindrical portion 4152, the first cylindrical portion 4151 surrounds the bottom wall 414, the second cylindrical portion 4152 is connected to a side of the first cylindrical portion 4151 away from the bottom wall 414, and the first cylindrical portion 4151 gradually increases in opening from the bottom wall 414 toward the second cylindrical portion 4152. By providing the first cylindrical portion 4151 with a gradually increasing opening from the bottom wall 414 towards the second cylindrical portion 4152, the material 200 in the storage bin 41 can be collected at the opening 411.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A dosing device, comprising:

2. The quantitative dispensing device of claim 1, wherein the turntable comprises a rotating shaft and at least two pushing portions, the at least two pushing portions are spaced at an outer periphery of the rotating shaft, an accommodating space is defined between two adjacent pushing portions, the accommodating space is used for accommodating a quantitative material, and the first driving mechanism is connected with the rotating shaft to drive the turntable to rotate.

3. A dosing device according to claim 2, characterized in that the pushing part comprises a push plate connected to the spindle, the push plate being parallel to the central axis of the spindle.

4. A dosing device according to claim 2 or 3, wherein the pushing part comprises a first partition and a second partition connected to the shaft, the first partition and the second partition being perpendicular to the central axis of the shaft.

5. A dosing device according to claim 4, wherein the storage bin comprises a top plate, a bottom plate, and a wall surrounding between the top plate and the bottom plate, the top plate is provided with the first inlet, the bottom plate is provided with the first outlet, the first inlet has an aperture configured to be larger than the diameter of the material, and the first partition is disposed adjacent to the first inlet such that the first partition rotates to agitate the material at the first inlet.

6. The dosing device according to claim 5, characterized in that the second partition is arranged on the side of the first partition facing the bottom plate, the distance of the second partition from the bottom plate being configured to be larger than one third of the material diameter.

7. The dosing device of claim 5, further comprising a controller and a first sensor mounted to the tap bin and electrically connected to the controller, the first sensor being configured to detect an amount of material entering the dosing bin from the tap bin.

8. A dosing device according to claim 7, wherein the first sensor is a micro switch, the bottom plate is provided with a mounting hole, the micro switch is mounted at the mounting hole, a trigger is provided at a side of the second partition plate away from the first partition plate, and the trigger triggers the micro switch when the turntable rotates to a position where the receiving space is opposite to the second inlet.

9. The dosing device of claim 7, further comprising a second sensor mounted to the dosing bin and electrically connected to the controller, wherein the first drive mechanism is electrically connected to the controller, and wherein the controller controls the first drive mechanism to drive the turntable to rotate continuously when the second sensor detects that there is no material in the dosing bin.

10. The metered dose device of claim 1 wherein said reservoir tank comprises a bottom wall and a side wall surrounding said bottom wall, said side wall comprising a first cylindrical portion surrounding said bottom wall and a second cylindrical portion connected to a side of said first cylindrical portion remote from said bottom wall, said first cylindrical portion increasing in size from said bottom wall toward an opening in said second cylindrical portion.