CN219233099U

CN219233099U - Device for automatically cleaning screening surface of grain screening

Info

Publication number: CN219233099U
Application number: CN202320224739.5U
Authority: CN
Inventors: 蔡蔚; 刘荣法
Original assignee: Suqian Rongfa Grain Machinery Co ltd
Current assignee: Suqian Rongfa Grain Machinery Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-23
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a device for automatically cleaning a screening surface during grain screening, which relates to the technical field of agricultural machinery and comprises a grain screening machine body, wherein a screen plate and a blanking plate are fixedly arranged at a discharge hole of the grain screening machine body, a driving structure is fixedly arranged at the outer side of the screen plate, and a cleaning device is fixedly connected with a movable end of the driving structure. The electric cylinder structure of the driving structure can enable the thread bush to drive the cleaning roller to roll in a reciprocating mode on the screen plate through the connecting frame, enable the cleaning roller in a rotating state to continuously scrape sundries accumulated on the screen plate, enable the sundries accumulated on the screen plate to be automatically removed, avoid the condition that the screen surface is easy to be blocked, and avoid the process of manually cleaning the sundries manually, enable the whole cleaning process to be time-saving and labor-saving, and ensure the normal operation of the grain screening device.

Description

Device for automatically cleaning screening surface of grain screening

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a device for automatically cleaning a screening surface of grain screening.

Background

Agricultural machinery refers to various machines used in the crop planting industry and animal husbandry production processes, and in the agricultural and animal product preliminary processing and handling processes, and includes agricultural power machines, farm construction machines, soil cultivation machines, planting and fertilizing machines, plant protection machines, farm irrigation and drainage machines, crop harvesting machines, agricultural product processing machines, animal husbandry machines, agricultural transportation machines, and the like.

In agricultural production, grains coming out of a harvester often contain dust, wheat ears, wheat bran, shrunken grains and the like, if the grains are not timely separated and removed, the decay rate of the grains is increased, and the use value of the grains is reduced, so that the harvested grains are required to be screened to remove the dust, the wheat ears, the wheat bran, the shrunken grains and the like, and a grain screening device is required to be used for removing the dust, the wheat ears, the wheat bran, the shrunken grains and the like.

In the prior art, after the grain screening device is used for a long time, residual sundries in grains can be accumulated on the screen surface, so that the screen surface is easy to be blocked, the residual sundries are required to be cleaned at the moment, but the existing cleaning mode mostly needs manual cleaning, so that the whole process is time-consuming and labor-consuming, and the normal operation of the grain screening device is influenced.

Disclosure of Invention

The utility model provides a device for automatically cleaning a screening surface for grain screening, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device for automatically cleaning the screening surface of the grain screening comprises a grain screening machine body, wherein a screen plate and a blanking plate are fixedly arranged at a discharge hole of the grain screening machine body, a driving structure is fixedly arranged at the outer side of the screen plate, and a cleaning device is fixedly connected with a movable end of the driving structure;

the cleaning device comprises two thread sleeves, an electric push rod is fixedly arranged in the thread sleeves, a hinge seat and a rotating motor are fixedly arranged at the movable end of the electric push rod, connecting frames are arranged at the opposite ends of the hinge seat and the rotating motor, and a cleaning roller is movably inserted between the two connecting frames.

Further, the cleaning roller is located above the screen plate, and the blanking plate is located below the screen plate.

Further, the driving structure comprises a driving box, the driving box is fixedly arranged on the side face of the screen plate, an electric cylinder structure is arranged on the inner wall of the driving box, and the movable end of the electric cylinder structure is in threaded connection with the inner side of the threaded sleeve.

Further, the outside of thread bush is provided with the ball, the thread bush passes through ball and the inner wall sliding connection of drive box.

Further, the bottom of rotating electrical machines is provided with the mounting panel, rotating electrical machines passes through mounting panel and electric putter's expansion end fixed connection.

Compared with the prior art, the utility model provides a device for automatically cleaning the screening surface of grain screening, which has the following beneficial effects:

this device of grain screening self-cleaning sifter through setting up actuating structure and cleaning device, utilizes actuating structure's electric jar structure can make the thread bush pass through the link and drive the cleaning roller and can carry out reciprocating type roll on the sifter board, makes the cleaning roller under the rotation state can continuously strike off piling up debris on the sifter board for piled up debris on the sifter board has obtained automaticly clear away, thereby has avoided the screen cloth face to be liable to appear the circumstances of jam, and has avoided the manual process of clearing up debris of manual work, makes whole cleaning process labour saving and time saving, has guaranteed grain sieving mechanism's normal operating.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a driving structure according to the present utility model;

fig. 3 is a schematic view of a cleaning apparatus according to the present utility model.

In the figure: 1. a grain screening machine body; 2. a screen plate; 3. a driving structure; 4. a cleaning device; 5. a blanking plate; 6. a drive box; 7. an electric cylinder structure; 8. a thread sleeve; 9. a ball; 10. an electric push rod; 11. a hinge base; 12. a rotating electric machine; 13. a connecting frame; 14. cleaning the roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, the utility model discloses a device for automatically cleaning a screening surface of grain screening, which comprises a grain screening machine body 1, wherein a screen plate 2 and a blanking plate 5 are fixedly arranged at a discharge hole of the grain screening machine body 1, the blanking plate 5 is positioned below the screen plate 2, a driving structure 3 is fixedly arranged at the outer side of the screen plate 2, and a cleaning device 4 is fixedly connected with a movable end of the driving structure 3.

The driving structure 3 comprises a driving box 6, the driving box 6 is fixedly arranged on the side face of the screen plate 2, an electric cylinder structure 7 is arranged on the inner wall of the driving box 6, and the movable end of the electric cylinder structure 7 is in threaded connection with the inner side of a threaded sleeve 8.

The cleaning device 4 comprises two thread sleeves 8, an electric push rod 10 is fixedly arranged in the thread sleeves 8, a hinge seat 11 and a rotating motor 12 are fixedly arranged at the movable end of the electric push rod 10, a mounting plate is arranged at the bottom of the rotating motor 12, the rotating motor 12 is fixedly connected with the movable end of the electric push rod 10 through the mounting plate, connecting frames 13 are respectively arranged at the opposite ends of the hinge seat 11 and the rotating motor 12, a cleaning roller 14 is movably inserted between the two connecting frames 13, and the cleaning roller 14 is located above the screen plate 2.

Through setting up drive structure 3 and cleaning device 4, the electricity jar structure 7 that utilizes drive structure 3 can promote thread bush 8 to drive cleaning roller 14 through link 13 and can carry out reciprocating type roll on screen panel 2, the cleaning roller 14 that impels under the rotation state can be to piling up the debris on screen panel 2 and strike off continuously for piled up debris on the screen panel 2 has obtained automatic clear, thereby avoided the screen panel to be liable to appear the condition of jam, and avoided the manual process of cleaning up debris of manual work, make whole cleaning process labour saving and time saving, guaranteed grain sieving mechanism's normal operating.

Specifically, the outside of thread bush 8 is provided with ball 9, thread bush 8 passes through ball 9 and the inner wall sliding connection of drive box 6.

In this embodiment, the threaded sleeve 8 can stably slide in the opening of the drive case 6 through the balls 9.

When using, after grain sieve separator body 1 moves a period, can lead to piling up a large amount of debris that can't screen cloth 2 on, the staff can start drive structure 3 this moment, make the loose end of electric jar structure 7 drive screw thread cover 8 carry out the axial direction motion along the loose end of electric jar structure 7, make screw thread cover 8 drive electric putter 10 and carry out synchronous motion, start electric putter 10 afterwards, make electric putter 10's loose end can drive articulated seat 11 and rotating electrical machines 12 and carry out synchronous elevating movement, make articulated seat 11 and rotating electrical machines 12 drive link 13 and be close to screen cloth face of screen cloth 2 gradually, then start rotating electrical machines 12, make rotating electrical machines 12's output shaft drive cleaning roller 14 rotate, make cleaning roller 14 under the rotation state can carry out continuous scraping to the debris of piling up on screen cloth 2.

To sum up, this device of grain screening self-cleaning sifting surface, through setting up actuating structure 3 and cleaning device 4, the electricity jar structure 7 that utilizes actuating structure 3 can make thread bush 8 pass through link 13 drive cleaning roller 14 can reciprocating type roll on screen panel 2, make cleaning roller 14 under the rotation state can continuously strike off the debris of piling up on screen panel 2 for the debris of piling up on screen panel 2 has obtained the automation and has got the clearance, thereby has avoided the screen surface to be liable to appear the condition of jam, and has avoided the manual process of clearing up debris of manual work, make whole cleaning process labour saving and time saving, guaranteed grain screening device's normal operating.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device of grain screening self-cleaning sifter, includes grain sieve separator body (1), its characterized in that: the grain screening machine comprises a grain screening machine body (1), wherein a screen plate (2) and a blanking plate (5) are fixedly arranged at a discharge hole of the grain screening machine body (1), a driving structure (3) is fixedly arranged at the outer side of the screen plate (2), and a cleaning device (4) is fixedly connected with a movable end of the driving structure (3);

the cleaning device (4) comprises two thread sleeves (8), an electric push rod (10) is fixedly arranged in the thread sleeves (8), a hinge seat (11) and a rotating motor (12) are fixedly arranged at the movable end of the electric push rod (10), connecting frames (13) are arranged at the opposite ends of the hinge seat (11) and the rotating motor (12), and a cleaning roller (14) is movably inserted between the two connecting frames (13).

2. The apparatus for automatically cleaning a screening surface for grain screening according to claim 1, wherein: the cleaning roller (14) is located above the screen plate (2), and the blanking plate (5) is located below the screen plate (2).

3. The apparatus for automatically cleaning a screening surface for grain screening according to claim 1, wherein: the driving structure (3) comprises a driving box (6), the driving box (6) is fixedly arranged on the side face of the screen plate (2), an electric cylinder structure (7) is arranged on the inner wall of the driving box (6), and the movable end of the electric cylinder structure (7) is in threaded connection with the inner side of the threaded sleeve (8).

4. A device for automatically cleaning a screening surface for grain screening according to claim 3, wherein: the outside of screw thread cover (8) is provided with ball (9), screw thread cover (8) are through ball (9) and the inner wall sliding connection of drive box (6).

5. The apparatus for automatically cleaning a screening surface for grain screening according to claim 1, wherein: the bottom of the rotating motor (12) is provided with a mounting plate, and the rotating motor (12) is fixedly connected with the movable end of the electric push rod (10) through the mounting plate.