CN211937739U

CN211937739U - Screening plant for crops

Info

Publication number: CN211937739U
Application number: CN202020071578.7U
Authority: CN
Inventors: 金晨
Original assignee: Xiaoling Graphic Design Studio Liandu District Lishui City
Current assignee: Xiaoling Graphic Design Studio Liandu District Lishui City
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-11-17
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a screening plant for crops relates to screening plant technical field. The utility model comprises a base; the top surface of the base is fixedly connected with a screening shell; the inner wall of the screening shell is rotatably connected with a driving pipe through a bearing; the inner wall of the driving pipe is rotatably connected with a material conveying pipe through a bearing; the circumferential side surface of the conveying pipe is fixedly connected with the base through a connecting rod; a spiral conveying assembly is fixedly arranged on the inner wall of the conveying pipe; the upper part of the conveying pipe is fixedly communicated with a group of conveying pipes which are arranged in a circumferential array; one surface of the screening shell is fixedly connected with a feeding hopper. The utility model discloses a design of feeding funnel, conveying pipe, branch flitch and spiral conveying material subassembly becomes traditional flood irrigation formula unloading screening for weight formula screening in batches, through weight formula screening in batches to reduce the jam probability that the sieve was fought, through structural design and the rotatable design that one-level sieve was fought, second grade sieve was fought and the concentrated material row was fought, then can realize the hierarchical screening of grain when the screening.

Description

Screening plant for crops

Technical Field

The utility model belongs to the technical field of the screening plant, especially, relate to a screening plant for crops.

Background

Generally, screening refers to a process of selecting a substance having a specific property from a plurality of substances according to a predetermined target; in order to improve the germination rate of seeds and the grain yield in the next year, seeds for farmers to plant need to be screened out by a screening tool; china is a big agricultural country, the seed screening requirement is large, but the existing seed screening work is generally manual lifting to screen seeds, the screening mode wastes physical strength and time of a user when in use, the working efficiency is very low, and the requirements of most people cannot be met; although screening machines available in the market can screen seeds, screening is mostly performed in a flood irrigation mode, and the existing screening mechanism cannot well realize grading screening of the seeds during screening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screening plant for crops, through the design that one-level sieve was fought, second grade sieve was fought and the concentrated material row was fought, solved the relatively poor problem of current crops screening plant classified screening effect.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a screening device for crops, which comprises a base; the top surface of the base is fixedly connected with a screening shell; the inner wall of the screening shell is rotatably connected with a driving pipe through a bearing; the inner wall of the driving pipe is rotatably connected with a material conveying pipe through a bearing; the circumferential side surface of the conveying pipe is fixedly connected with the base through a connecting rod; a spiral conveying assembly is fixedly arranged on the inner wall of the conveying pipe; the upper part of the conveying pipe is fixedly communicated with a group of conveying pipes which are arranged in a circumferential array; a feeding hopper is fixedly connected to one surface of the screening shell; the inner wall of the hopper is fixedly provided with a transmission assembly; a group of distributing plates are fixedly arranged on the peripheral side surface of the transmission assembly; the peripheral side surface of the material distributing plate is in sliding fit with the feeding hopper; the bottom surface of the feeding hopper is fixedly communicated with a conveying inclined pipe; one end of the discharge port of the conveying inclined pipe is communicated with the conveying pipe;

the periphery of the driving pipe is fixedly connected with a group of scattering rods, a primary sieve hopper, a secondary sieve hopper and a fine material discharge hopper from top to bottom respectively; the peripheral side surfaces of the primary sieve hopper, the secondary sieve hopper and the fine material discharge hopper are rotationally connected with the screening shell; the top surfaces of the primary sieve hopper, the secondary sieve hopper and the fine material discharge hopper are fixedly connected with a group of material blocking plates; a primary waste discharge pipe is fixedly communicated with the position of the screening shell corresponding to the primary screening hopper; a secondary waste discharge pipe is fixedly communicated with the position of the screening shell corresponding to the secondary screening hopper; a discharge pipe is fixedly communicated with the position of the screening shell corresponding to the fine material discharge hopper;

the bottom surface of the screening shell is fixedly connected with a transmission motor; one end of the output shaft of the transmission motor is in transmission connection with the driving pipe through a belt.

Preferably, the primary waste calandria is positioned right above the secondary waste calandria; the length of the first-stage waste calandria is 1.5-2.5 times of that of the second-stage waste calandria.

Preferably, the surface of the primary sieve hopper is provided with coarse sieve pores which are arranged in a circumferential array; fine screen holes distributed in a circumferential array are formed in one surface of the secondary screen bucket; the aperture of the fine sieve is 0.3-0.8 times of the aperture of the coarse sieve.

Preferably, the inclined plane inclined angle range of the first-stage sieve hopper, the second-stage sieve hopper and the fine material discharge hopper is 30-60 degrees, and the distributing plates are distributed on the circumferential side surface of the transmission assembly in a circumferential array mode.

Preferably, the spiral conveying assembly comprises a linear motor; one surface of the linear motor is fixedly connected with the material conveying pipe; one end of the linear motor, which extends into the material conveying pipe, is fixedly connected with a rotating shaft; the circumferential side surface of the rotating shaft is fixedly connected with a spiral material conveying blade.

The utility model discloses following beneficial effect has:

the utility model discloses a feeding funnel, the conveying pipe, divide the design of flitch and spiral conveying material subassembly, become traditional flood irrigation formula unloading screening for weight formula screening in batches, through weight formula screening in batches, thereby reduce the jam probability that the sieve was fought, through one-level sieve fill, structural design and rotatable design that second grade sieve fill and beneficiated burden row were fought, then can realize the hierarchical screening of grain when the screening, through the design of breaking up the stick, then enable material evenly distributed on the sieve fill surface, improve the device's screening effect then.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is a schematic view of a screening device for agricultural products;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 1;

FIG. 4 is a schematic structural view of the primary hopper, the secondary hopper, the primary waste drain pipe and the secondary waste drain pipe;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a screening housing; 3. a drive tube; 4. a delivery pipe; 5. a spiral delivery assembly; 6. a feed pipe; 7. a hopper; 8. a transmission assembly; 9. a material distributing plate; 10. conveying an inclined pipe; 11. breaking up the rods; 12. a primary sieve hopper; 13. a secondary sieve hopper; 14. a concentrate discharge hopper; 15. a material stopping plate; 16. a primary waste pipe racking; 17. a secondary waste pipe; 18. a discharge pipe; 19. and a transmission motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a screening device for crops, which comprises a base 1; the top surface of the base 1 is fixedly connected with a screening shell 2, the screening shell 2 is of a hollow cylindrical structure with the bottom end sealed, and the inner wall of the screening shell 2 is rotatably connected with a driving pipe 3 through a bearing; the inner wall of the driving pipe 3 is rotatably connected with a material conveying pipe 4 through a bearing; the circumferential side surface of the material conveying pipe 4 is fixedly connected with the base 1 through a connecting rod; a spiral conveying component 5 is fixedly arranged on the inner wall of the conveying pipe 4; the upper part of the material conveying pipe 4 is fixedly communicated with three material conveying pipes 6 which are arranged in a circumferential array; a feeding hopper 7 is fixedly connected to one surface of the screening shell 2; a transmission assembly 8 is fixedly arranged on the inner wall of the feeding hopper 7; a group of distributing plates 9 are fixedly arranged on the peripheral side surface of the transmission assembly 8; the transmission assembly 8 comprises a motor and a rotating shaft, one surface of the motor is fixedly connected with the feeding hopper 7, two ends of the rotating shaft are rotatably connected with the feeding hopper 7, and one end of an output shaft of the motor is fixedly connected with the rotating shaft;

the peripheral side surface of the material distributing plate 9 is in sliding fit with the feeding hopper 7; the bottom surface of the hopper 7 is fixedly communicated with a conveying inclined pipe 10; one end of the discharge hole of the conveying inclined pipe 10 is communicated with the conveying pipe 4;

the peripheral side surface of the driving pipe 3 is fixedly connected with six scattering rods 11, a primary sieve hopper 12, a secondary sieve hopper 13 and a fine material discharge hopper 14 from top to bottom respectively; the peripheral side surfaces of the primary sieve hopper 12, the secondary sieve hopper 13 and the fine material discharge hopper 14 are rotatably connected with the screening shell 2; the top surfaces of the primary sieve hopper 12, the secondary sieve hopper 13 and the fine material discharge hopper 14 are fixedly connected with a group of material blocking plates 15; a primary waste discharge pipe 16 is fixedly communicated with the position of the screening shell 2 corresponding to the primary screening hopper 12; a secondary waste discharge pipe 17 is fixedly communicated with the position of the screening shell 2 corresponding to the secondary screening hopper 13; a discharge pipe 18 is fixedly communicated with the position of the screening shell 2 corresponding to the fine material discharge hopper 14;

the bottom surface of the screening shell 2 is fixedly connected with a transmission motor 19; one end of the output shaft of the transmission motor 19 is in transmission connection with the driving pipe 3 through a belt.

Further, the primary waste calandria 16 is positioned right above the secondary waste calandria 17; the length of the primary waste calandria 16 is 1.5 times of the length of the secondary waste calandria 17.

Further, coarse sieve pores arranged in a circumferential array are formed on the surface of the primary sieve hopper 12; fine screen holes distributed in a circumferential array are formed in one surface of the secondary screen bucket 13; the aperture of the fine sieve is 0.5 times of the aperture of the coarse sieve.

Furthermore, the inclined angle range of the inclined surfaces of the primary sieve hopper 12, the secondary sieve hopper 13 and the fine material discharge hopper 14 is 45 degrees, and six material distributing plates 9 are distributed on the circumferential side surface of the transmission assembly 8 in a circumferential array manner.

Further, the spiral conveying assembly 5 comprises a linear motor; one surface of the linear motor is fixedly connected with the material conveying pipe 4; one end of the linear motor extending to the interior of the material conveying pipe 4 is fixedly connected with a rotating shaft; the circumferential side surface of the rotating shaft is fixedly connected with a spiral material conveying blade.

When the material screening machine works, a material to be screened is placed into a feeding hopper 7, then a transmission component 8 and a spiral conveying component 5 work at a set speed, after the transmission component 8 works, the material of the feeding hopper 7 is fed into a conveying pipe 4 at a set speed in batches, the conveying pipe 4 discharges the material from three feeding pipes 6 at a set speed through the spiral conveying component 5, in addition, a transmission motor 19 drives a driving pipe 3 to do circular motion at the set speed, when the driving pipe 3 moves, a scattering rod 11, a first-stage sieve hopper 12, a second-stage sieve hopper 12 and a fine material discharging hopper 14 are simultaneously driven to rotate, when the scattering rod 11 works, the material discharged from the feeding pipe 6 is fully scattered, then, the grain material is uniformly distributed on the first-stage sieve hopper 12, the first-stage sieve hopper 12 filters large-particle materials, and the large-particle materials are finally discharged by a first-stage waste material discharging hopper 16 along with the rotation of the first-stage sieve hopper 12, and the second-stage sieve hopper filters small-particle materials, and is finally discharged by a secondary waste discharge pipe 17 along with the rotation of the secondary sieve hopper 13, and the filtered final material is discharged by a discharge pipe 18 under the action of a fine material discharge hopper 14.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A screening device for crops comprises a base (1); base (1) top surface fixedly connected with screening casing (2), its characterized in that:

the inner wall of the screening shell (2) is rotatably connected with a driving pipe (3) through a bearing; the inner wall of the driving pipe (3) is rotatably connected with a material conveying pipe (4) through a bearing; the circumferential side surface of the material conveying pipe (4) is fixedly connected with the base (1) through a connecting rod; a spiral conveying component (5) is fixedly arranged on the inner wall of the conveying pipe (4); the upper part of the material conveying pipe (4) is fixedly communicated with a group of material conveying pipes (6) which are arranged in a circumferential array; a feeding hopper (7) is fixedly connected to one surface of the screening shell (2); a transmission assembly (8) is fixedly arranged on the inner wall of the feeding hopper (7); a group of material distributing plates (9) are fixedly arranged on the peripheral side surface of the transmission component (8); the peripheral side surface of the material distributing plate (9) is in sliding fit with the feeding hopper (7); the bottom surface of the feeding hopper (7) is fixedly communicated with a conveying inclined pipe (10); one end of the discharge hole of the conveying inclined pipe (10) is communicated with the conveying pipe (4);

the peripheral side surface of the driving pipe (3) is fixedly connected with a group of scattering rods (11), a primary sieve hopper (12), a secondary sieve hopper (13) and a fine material discharge hopper (14) from top to bottom respectively; the peripheral side surfaces of the primary sieve hopper (12), the secondary sieve hopper (13) and the fine material discharge hopper (14) are rotatably connected with the sieving shell (2); the top surfaces of the primary sieve hopper (12), the secondary sieve hopper (13) and the fine material discharge hopper (14) are fixedly connected with a group of material blocking plates (15); a primary waste discharge pipe (16) is fixedly communicated with the position of the screening shell (2) corresponding to the primary screening hopper (12); a secondary waste discharge pipe (17) is fixedly communicated with the position of the screening shell (2) corresponding to the secondary screening hopper (13); a discharge pipe (18) is fixedly communicated with the position of the screening shell (2) corresponding to the fine material discharge hopper (14);

the bottom surface of the screening shell (2) is fixedly connected with a transmission motor (19); one end of an output shaft of the transmission motor (19) is in transmission connection with the driving pipe (3) through a belt.

2. A screening device for crops, according to claim 1, wherein said primary row of waste pipes (16) is located directly above the secondary row of waste pipes (17); the length of the primary waste calandria (16) is 1.5-2.5 times of the length of the secondary waste calandria (17).

3. The screening device for crops as claimed in claim 1, wherein the surface of the primary screening hopper (12) is provided with coarse screening holes which are arranged in a circumferential array; fine screen holes distributed in a circumferential array are formed in one surface of the secondary screen bucket (13); the aperture of the fine sieve is 0.3-0.8 times of the aperture of the coarse sieve.

4. A screening device for crops as claimed in claim 1, wherein the inclined planes of the primary screening hopper (12), the secondary screening hopper (13) and the fine material discharge hopper (14) have an inclined angle in the range of 30 ° to 60 °, and a plurality of the distributing plates (9) are distributed in a circumferential array on the circumferential side surface of the transmission assembly (8).

5. A screening device for crops as claimed in claim 1, wherein said auger assembly (5) comprises a linear motor; one surface of the linear motor is fixedly connected with the material conveying pipe (4); one end of the linear motor extending to the interior of the material conveying pipe (4) is fixedly connected with a rotating shaft; the circumferential side surface of the rotating shaft is fixedly connected with a spiral material conveying blade.