CN220092148U

CN220092148U - Screening system for pasture seeds

Info

Publication number: CN220092148U
Application number: CN202321182381.0U
Authority: CN
Inventors: 王哲; 薛松晓; 张景霞; 李佳岩
Original assignee: Beijing Keyang Machinery Factory
Current assignee: Beijing Keyang Machinery Factory
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-11-28
Anticipated expiration: 2033-05-16

Abstract

The utility model provides a screening system for pasture seeds, and relates to the technical field of pasture planting. Comprises a vertical frame; the mesh screen mechanism comprises a mesh screen support, a screen frame, a screen and a driving assembly, wherein the mesh screen support is fixed on the vertical frame, the screen is fixed in the screen frame, and the driving assembly drives the screen frame to reciprocate along the mesh screen support; the main discharge hopper is fixed on the vertical frame and is obliquely arranged below the mesh screen mechanism; the winnowing mechanism is fixed on the vertical frame and is positioned at the discharge port end of the main discharge hopper. According to the utility model, the mesh screen mechanism, the main discharging hopper and the air separation mechanism are arranged on the vertical frame, impurities with larger grain sizes than pasture seeds are selected through the mesh screen mechanism, and then the air separation mechanism is used for selecting the non-filled seed grains in the pasture seeds, so that excellent pasture seeds are selected. The whole device has simple structure, low price and very convenient operation.

Description

Screening system for pasture seeds

Technical Field

The utility model relates to the technical field of pasture planting, in particular to a screening system for pasture seeds.

Background

Pasture, generally referred to as grass or other herbs used by the livestock being raised, is rich in various trace elements and vitamins and is the first choice for raising the livestock. In order to meet the food requirements of livestock, some pastures need to plant pastures by themselves, the pastures need to be planted first, and the quality of seeds influences the harvest of the pastures.

Some scattered households also screen seeds based on manual mode, and this traditional mode intensity of labour is high, and work efficiency is low, and some growers are used some mechanized seed screening and rotating equipment, but the structure is complicated, and is with high costs.

Therefore, it is important to provide a seed screening and rotating device with high practicability and low cost.

Disclosure of Invention

The utility model aims to provide a screening system for pasture seeds, which has strong practicability and low cost.

Embodiments of the present utility model are implemented as follows:

a screening system for pasture seeds comprising:

a vertical frame;

the mesh screen mechanism comprises a mesh screen support, a screen frame, a screen and a driving assembly, wherein the mesh screen support is fixed on the vertical frame, the screen is fixed in the screen frame, and the driving assembly drives the screen frame to reciprocate along the mesh screen support;

the main discharge hopper is fixed on the vertical frame and is obliquely arranged below the mesh screen mechanism;

the winnowing mechanism is fixed on the vertical frame and is positioned at the discharge port end of the main discharge hopper.

In some embodiments of the utility model, the four bottom corners of the screen frame are fitted with moving wheels that travel along the screen support.

In some embodiments of the utility model, the drive assembly comprises a drive motor, a transmission assembly and a connection assembly, which are sequentially connected, the connection assembly connecting the screen frame.

In some embodiments of the present utility model, the transmission assembly includes a driving pulley, a driven pulley, and a rotating shaft, the driving pulley is mounted at an output end of the driving motor, the driven pulley is sleeved on the rotating shaft, the rotating shaft is rotatably mounted on the stand through a bearing, and the driving pulley and the driven pulley are connected by a belt.

In some embodiments of the present utility model, the connecting assembly includes a first link and a second link, one end of the first link is movably hinged to one end of the rotating shaft, the other end of the first link is hinged to one end of the second link, and the other end of the second link is movably hinged to the mesh screen support.

In some embodiments of the utility model, four top corners of the screen frame are provided with guide posts, springs are sleeved on the guide posts, the screen is sleeved on the guide posts and is positioned above the springs, and locking nuts for fixing the screen are arranged on the guide posts.

In some embodiments of the utility model, the air separation mechanism comprises an air box and a fan, wherein the upper end and the lower end of the air box are respectively provided with a feed inlet and a discharge outlet, the fan is communicated with the air box through an air supply pipe, and one side of the air box opposite to the air supply pipe is provided with a impurity removing hopper.

In some embodiments of the present utility model, an inclined spoiler is disposed in the bellows, the spoiler is disposed from one side of the air supply pipe to one side of the impurity removing hopper in an inclined downward manner, a plurality of protrusions are disposed on the surface of the spoiler, and a plurality of ventilation holes are disposed on the spoiler.

In some embodiments of the utility model, the side walls of the spoiler and the bellows are provided with a first reinforcing web.

In some embodiments of the utility model, a second reinforcing rib plate is arranged between the main discharging hopper and the vertical frame.

The embodiment of the utility model has at least the following advantages or beneficial effects:

the utility model provides a screening system for pasture seeds, which is characterized in that a mesh screen mechanism, a main discharge hopper and a winnowing mechanism are arranged on a vertical frame, impurities with larger particle sizes than the pasture seeds are selected through the mesh screen mechanism, and then non-filled seed particles in the pasture seeds are selected through the winnowing mechanism, so that excellent pasture seeds are screened. The whole device has simple structure, low price and very convenient operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a screening system for pasture seeds according to an embodiment of the present utility model;

FIG. 2 is a top view of a screening system for pasture seeds according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a screen;

FIG. 4 is a cross-sectional view of a bellows.

Icon: 1-vertical frame, 2-mesh screen mechanism, 20-mesh screen support, 21-screen frame, 22-screen, 23-driving motor, 24-driving pulley, 25-driven pulley, 26-rotating shaft, 27-first connecting rod, 28-second connecting rod, 29-movable wheel, 3-main hopper, 4-winnowing mechanism, 401-bellows, 402-fan, 403-blast pipe, 404-edulcoration bucket, 405-spoiler, 406-protrusion, 407-ventilation hole, 408-first reinforcing rib plate, 5-second reinforcing rib plate, 6-guide pillar, 7-spring, 8-lock nut, 9-bearing frame.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center," "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 to 3, fig. 1 is a front view of a screening system for pasture seeds according to an embodiment of the present utility model; FIG. 2 is a top view of a screening system for pasture seeds according to an embodiment of the present utility model; fig. 3 is a schematic structural view of a screen.

In this embodiment, this a screening system for forage grass seed, including grudging post 1, mesh screen mechanism 2, main ejection of compact fill 3 and selection by winnowing mechanism 4 all are fixed in on the grudging post 1, and mesh screen mechanism 2 is located the top of selection by winnowing mechanism 4, and main play hopper 3 sets up between mesh screen mechanism 2 and selection by winnowing mechanism 4. The mesh screen mechanism 2 is used for screening large-particle impurities with the particle size larger than that of the pasture seeds, the air separation mechanism 4 is used for screening unsaturated seed particles in the pasture seeds, and the main discharge hopper 3 introduces the pasture seeds screened by the mesh screen mechanism 2 into the air separation mechanism 4.

Specific:

the mesh screen mechanism 2 comprises a mesh screen support 20, a screen frame 21, a screen 22 and a driving assembly, wherein the mesh screen support 20 is welded at the top of the vertical frame 1, the screen 22 is fixed in the screen frame 21, and moving wheels 29 are arranged at four bottom corners of the screen frame 21 and slide along the mesh screen support 20. The driving assembly is connected with the screen frame 21 and is used for driving the screen frame 21 to reciprocate along the screen support 20.

The driving assembly comprises a driving motor 23, a transmission assembly and a connecting assembly, and the driving motor 23 is arranged at the bottom of the vertical frame 1. The transmission assembly comprises a driving belt pulley 24, a driven belt pulley 25 and a rotating shaft 26, wherein the driving belt pulley 24 is arranged at the output end of the driving motor 23, the driven belt pulley 25 is sleeved on the rotating shaft 26, the rotating shaft 26 is rotatably arranged on the vertical frame 1 through a bearing, the rotating shaft 26 and the screen frame 21 are located at the same height, the rotating shaft 26 and the screen frame 21 are in a mutually perpendicular relation, the driven belt pulley 25 is located right above the driving belt pulley 24, and the driven belt pulley 25 and the screen frame are in transmission connection through a belt.

The connecting assembly comprises a first connecting rod 27 and a second connecting rod 28, one end of the first connecting rod 27 is movably hinged with one end part of the rotating shaft 26, which is close to the screen frame 21, the other end part of the first connecting rod 27 is hinged with one end of the second connecting rod 28, and the other end of the second connecting rod 28 is movably hinged with the screen support 20.

Then, when the driving motor 23 rotates, the driving pulley 24 rotates along with the driving motor 23, and the driving pulley 24 and the driven pulley 25 are connected in a transmission manner, so that the rotation fixedly connected with the driven pulley 25 synchronously rotates, and then a crank-link mechanism consisting of the first link 27 and the second link 28 is driven to act, so that the screen frame 21 is driven to reciprocate along the screen support 20, and the screening work of pasture seeds is realized.

The main hopper 3 is disposed obliquely below the screen mechanism 2, and is configured to completely receive grass seeds leaked from the screen 22. And a second reinforcing rib plate 5 is welded between the main discharging hopper 3 and the vertical frame 1, and the connection firmness of the main discharging hopper 3 is improved through the second reinforcing rib plate 5.

Furthermore, the air separation mechanism 4 is located at the discharge port end of the main discharge hopper 3, and the air separation mechanism 4 is common air separation equipment, and specifically comprises an air box 401 and a fan 402, wherein a feed port and a discharge port are respectively arranged at the upper end and the lower end of the air box 401, the fan 402 is communicated with the air box 401 through an air supply pipe 403, and an impurity removing hopper 404 is arranged on one side of the air box 401 opposite to the air supply pipe 403. Thus, in the falling process of the pasture seeds, empty or non-filled pasture seeds are blown into the impurity removing hopper 404 due to the influence of wind flow because of light weight, while the filled qualified pasture seeds have heavy weight, and the wind flow can not prevent the pasture seeds from falling, so that the fine pasture seeds and the defective pasture seeds are screened.

Therefore, as is apparent from the above, the present utility model provides a screening system for pasture seeds, which is characterized in that a screen mechanism 2, a main discharge hopper 3 and a winnowing mechanism 4 are arranged on a vertical frame 1, impurities with particle diameters larger than that of the pasture seeds are selected by the screen mechanism 2, and non-filled seed particles in the pasture seeds are selected by the winnowing mechanism 4, so that excellent pasture seeds are screened. The whole device has simple structure, low price and very convenient operation.

Example 2

Referring to fig. 1 to 3, this embodiment provides a screening system for pasture seeds, which is substantially the same as embodiment 1, and is mainly different in that:

in this embodiment, the four top corners of the screen frame 21 are provided with the guide posts 6, each guide post 6 is sleeved with a spring 7, four corners of the screen 22 are provided with sleeve holes, the screen 22 is sleeved on the guide posts 6 through the sleeve holes and is located above the springs 7, each guide post 6 is connected with a lock nut 8 in a threaded manner, and the lock nuts 8 are located on the upper surface of the screen 22, so that the screen 22 is just abutted against the springs 7.

Based on the design, in the screening process of the reciprocating movement of the screen 22, the pasture seeds are subjected to variation in stress of each spring 7 due to inertia and falling of the pasture seeds on the surface of the screen 22, so that the screen 22 slightly vibrates in the screening process under the action of the springs 7, and the screening effect of the pasture seeds is enhanced.

Example 3

Referring to fig. 1 to 4, this embodiment provides a screening system for pasture seeds, which is substantially the same as embodiment 1 or embodiment 2, and is mainly different in that:

in this embodiment, an inclined spoiler 405 is disposed in the bellows 401, the spoiler 405 is disposed from one side of the air pipe 403 to one side of the impurity removing hopper 404 in an inclined downward manner, a plurality of protrusions 406 are disposed on the surface of the spoiler 405, a plurality of ventilation holes 407 are disposed on the spoiler 405, and the ventilation holes 407 face one side of the impurity removing hopper 404 from one side of the air pipe 403.

Based on the design, through setting up the spoiler 405 of slope in bellows 401, when the pasture seed falls into bellows 401 by main ejection of compact fill 3, the scattering is on spoiler 405, because spoiler 405 inclines, and has protruding 406, then the pasture seed strikes protruding 406 on the whereabouts in-process, can splash certain height to the wind stream blows away through unsaturated granule or the empty shell in the pasture seed that will splash from ventilation hole 407, more is favorable to sieving out unqualified pasture seed.

In addition, the side walls of the spoiler 405 and the bellows 401 are provided with first reinforcing ribs 408, and the fixing firmness of the spoiler 405 can be enhanced by the first reinforcing ribs 408.

The foregoing is merely a preferred embodiment of the present utility model, and it is not intended to limit the present utility model, and it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A screening system for pasture seeds, comprising:

a vertical frame;

the winnowing mechanism is fixed on the vertical frame and is positioned at the discharge port end of the main discharge hopper;

the four bottom corners of the screen frame are provided with movable wheels, and the movable wheels walk along the screen support.

2. The system of claim 1, wherein the drive assembly comprises a drive motor, a transmission assembly, and a connection assembly, the drive motor, transmission assembly, and connection assembly being connected in sequence, the connection assembly being connected to the screen frame.

3. The system of claim 2, wherein the drive assembly comprises a drive pulley, a driven pulley, and a shaft, the drive pulley is mounted at an output end of the drive motor, the driven pulley is mounted on the shaft in a sleeved manner, the shaft is rotatably mounted on the stand by a bearing, and the drive pulley and the driven pulley are connected by a belt.

4. A screening system for pasture seeds as in claim 3, wherein said connecting assembly comprises a first link and a second link, one end of said first link being movably hinged to one end of said shaft, the other end of said first link being movably hinged to one end of said second link, the other end of said second link being movably hinged to said screen support.

5. The system of claim 1, wherein four corners of the screen frame are provided with guide posts, the guide posts are sleeved with springs, the screen is sleeved on the guide posts and positioned above the springs, and the guide posts are provided with lock nuts for fixing the screen.

6. The screening system for pasture seeds of claim 1, wherein the air separation mechanism comprises an air box and a fan, a feed inlet and a discharge outlet are respectively arranged at the upper end and the lower end of the air box, the fan is communicated with the air box through an air supply pipe, and a impurity removing hopper is arranged on one side of the air box opposite to the air supply pipe.

7. The system of claim 6, wherein an inclined spoiler is disposed in the bellows, the spoiler is disposed from one side of the air supply pipe to one side of the impurity removing hopper in an inclined downward manner, a plurality of protrusions are disposed on the surface of the spoiler, and a plurality of ventilation holes are disposed on the spoiler.

8. The system of claim 7, wherein the side walls of the spoiler and bellows are provided with a first reinforcing plate.

9. The screening system for pasture seeds of claim 1, wherein a second reinforcing rib plate is provided between the main discharge hopper and the stand.